/* ------------------------------------------------------------------
   RedTeamWorks — design system
   Static, dependency-free. System fonts only.
   ------------------------------------------------------------------ */

:root {
  /* light surfaces */
  --paper: #f4f3ee;
  --paper-2: #edecE4;
  --card: #fbfaf6;
  --ink: #191813;
  --muted: #5d6057;
  --line: #dddcd1;
  --line-strong: #cfcfc2;

  /* dark surfaces */
  --void: #0b0c09;
  --coal: #14150f;
  --coal-2: #191a13;
  --panel: #1e1f17;
  --white: #ffffff;
  --d-muted: rgba(240, 240, 232, 0.64);
  --d-line: rgba(255, 255, 255, 0.12);

  /* accents */
  --red: #b5322b;
  --red-deep: #8f2721;
  --red-bright: #e25d54;
  --red-glow: #ff8177;
  --teal: #8fc4bc;
  --amber: #c9a35f;
  --moss: #53665a;

  /* type */
  --font-sans:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", sans-serif;
  --mono:
    ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  /* stepped type scale — no viewport-width font sizing (project constraint);
     breakpoint overrides below approximate the previous fluid scale */
  --fs-hero: 3.5rem;
  --fs-h2: 2.05rem;
  --fs-h3: 1.16rem;
  --fs-lede: 1.05rem;

  /* geometry */
  --radius-s: 7px;
  --radius-m: 12px;
  --radius-l: 16px;
  --header-height: 76px;

  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
}

@media (min-width: 721px) {
  :root {
    --fs-hero: 5.25rem;
    --fs-h2: 2.7rem;
    --fs-h3: 1.24rem;
    --fs-lede: 1.12rem;
  }
}

@media (min-width: 1025px) {
  :root {
    --fs-hero: 6.25rem;
    --fs-h2: 3.1rem;
    --fs-h3: 1.28rem;
    --fs-lede: 1.16rem;
  }
}

@media (min-width: 1201px) {
  :root {
    --fs-hero: 7rem;
    --fs-h2: 3.4rem;
    --fs-h3: 1.32rem;
    --fs-lede: 1.2rem;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* film grain — enriches the dark panels, near-invisible on paper */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 900;
  pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  background-size: 160px 160px;
}

body.nav-open {
  overflow: hidden;
}

body.nav-open::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(5, 6, 4, 0.6);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

::selection {
  background: rgba(181, 50, 43, 0.9);
  color: var(--white);
}

:focus-visible {
  outline: 2px solid var(--red-bright);
  outline-offset: 3px;
  border-radius: 2px;
}

[id] {
  scroll-margin-top: calc(var(--header-height) + 16px);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  transform: translateY(-180%);
  padding: 0.65rem 0.95rem;
  background: var(--white);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  text-decoration: none;
  font-weight: 650;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ------------------------------------------------------------------
   Shared primitives
   ------------------------------------------------------------------ */

.container {
  width: min(1180px, calc(100% - 2.2rem));
  margin: 0 auto;
}

.section {
  padding: clamp(4.5rem, 9vw, 8.5rem) 0;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.06;
}

h1 {
  max-width: 1080px;
  overflow-wrap: normal;
  word-break: normal;
  font-size: var(--fs-hero);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 0.98;
}

h2 {
  font-size: var(--fs-h2);
  font-weight: 780;
  letter-spacing: 0;
  text-wrap: balance;
}

h3 {
  font-size: var(--fs-h3);
  font-weight: 740;
  letter-spacing: 0;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.15rem;
  color: var(--red);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  flex: none;
  width: 30px;
  height: 1px;
  background: currentColor;
  opacity: 0.75;
}

.eyebrow span {
  opacity: 0.55;
  letter-spacing: 0;
}

.hero .eyebrow,
.signal-section .eyebrow,
.service-section .eyebrow,
.matrix-section .eyebrow,
.coverage-section .eyebrow,
.deliverables-section .eyebrow,
.credentials-section .eyebrow,
.contact-section .eyebrow {
  color: var(--red-glow);
}

.section-heading {
  max-width: 860px;
  margin-bottom: clamp(2.2rem, 4vw, 3.6rem);
}

.section-heading-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2.5rem;
  margin-bottom: clamp(2.2rem, 4vw, 3.6rem);
}

.section-heading-row .section-heading {
  margin-bottom: 0;
}

.heading-meta {
  flex: none;
  display: grid;
  gap: 0.5rem;
  justify-items: end;
  padding-bottom: 0.55rem;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0;
  text-transform: uppercase;
}

.heading-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.heading-meta span::before {
  content: "";
  width: 7px;
  height: 7px;
  border: 1px solid rgba(226, 93, 84, 0.6);
  background: rgba(226, 93, 84, 0.14);
}

.button {
  position: relative;
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.5rem;
  border: 1px solid transparent;
  border-radius: 10px;
  text-decoration: none;
  font-size: 0.98rem;
  font-weight: 680;
  letter-spacing: 0;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    filter 180ms ease;
}

.button::after {
  content: "→";
  font-weight: 680;
  transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

.button:hover::after {
  transform: translateX(4px);
}

.button-primary {
  color: var(--white);
  background: linear-gradient(180deg, #d0483f 0%, var(--red) 55%, #a62d26 100%);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 12px 32px rgba(181, 50, 43, 0.36);
}

.button-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.07);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 18px 44px rgba(181, 50, 43, 0.44);
}

.button-secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
}

.button-secondary:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.11);
}

/* ------------------------------------------------------------------
   Header
   ------------------------------------------------------------------ */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.05rem clamp(1rem, 3vw, 2.4rem);
  color: var(--white);
  transition:
    background 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease,
    padding 220ms ease;
}

.site-header.is-scrolled,
.site-header.nav-active {
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
  background: rgba(10, 11, 8, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
}

.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--red), var(--red-glow));
  transform: scaleX(var(--progress, 0));
  transform-origin: 0 50%;
  opacity: 0;
  transition: opacity 240ms ease;
  pointer-events: none;
}

.site-header.is-scrolled .scroll-progress {
  opacity: 1;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: inherit;
  text-decoration: none;
  font-weight: 760;
  letter-spacing: 0;
}

.brand-mark {
  display: block;
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 9px;
  box-shadow:
    0 2px 6px rgba(0, 0, 0, 0.35),
    0 10px 24px rgba(181, 50, 43, 0.16);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.2vw, 1.7rem);
  font-size: 0.92rem;
  font-weight: 640;
}

.site-nav a {
  position: relative;
  padding: 0.35rem 0;
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  transition: color 180ms ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--red-glow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 240ms cubic-bezier(0.22, 1, 0.36, 1);
}

.site-nav a:hover,
.site-nav a.is-active,
.site-nav a[aria-current="location"] {
  color: var(--white);
}

.site-nav a:hover::after,
.site-nav a.is-active::after,
.site-nav a[aria-current="location"]::after {
  transform: scaleX(1);
}

.nav-cta {
  display: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.button-header {
  flex: none;
  min-height: 40px;
  padding: 0.45rem 1rem;
  border-radius: 8px;
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
  font-size: 0.84rem;
  backdrop-filter: blur(10px);
}

.button-header:hover {
  border-color: rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.12);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
  cursor: pointer;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  border-radius: 2px;
  background: currentColor;
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
}

.nav-toggle-bars::before {
  transform: translateY(-7px);
}

.nav-toggle-bars::after {
  transform: translateY(5px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars {
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after {
  transform: translateY(-2px) rotate(-90deg);
}

/* Collapsed header nav — brand + eight links + CTA do not fit as one row
   below ~1100px, so the toggle panel takes over before anything clips */
@media (max-width: 1100px) {
  .button-header {
    display: none;
  }

  .has-js .nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-height) 0 auto;
    display: grid;
    gap: 0;
    max-height: calc(100dvh - var(--header-height));
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0.5rem 1.1rem 1.15rem;
    background: rgba(9, 10, 7, 0.97);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    transform: translateY(-130%);
    visibility: hidden;
    pointer-events: none;
    transition:
      transform 220ms ease,
      visibility 0s linear 220ms;
    counter-reset: navi;
  }

  .site-nav.is-open {
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
    transition-delay: 0s;
  }

  .site-nav a:not(.nav-cta) {
    min-height: 52px;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.88);
    font-size: 1.02rem;
    counter-increment: navi;
  }

  .site-nav a:not(.nav-cta)::before {
    content: counter(navi, decimal-leading-zero);
    color: rgba(226, 93, 84, 0.75);
    font-family: var(--mono);
    font-size: 0.66rem;
    font-weight: 750;
    letter-spacing: 0;
  }

  .site-nav a:not(.nav-cta)::after {
    display: none;
  }

  .nav-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    min-height: 52px;
    margin-top: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 10px;
    background: linear-gradient(180deg, #d0483f 0%, var(--red) 55%, #a62d26 100%);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.22),
      0 12px 32px rgba(181, 50, 43, 0.3);
    color: var(--white);
    font-size: 0.98rem;
    font-weight: 680;
    text-decoration: none;
  }

  .nav-cta::after {
    content: "→";
  }

  /* Static fallback: navigation remains usable if JavaScript is unavailable. */
  html:not(.has-js) .site-header {
    position: relative;
    flex-wrap: wrap;
    padding: 0.75rem 1rem 1rem;
    background: var(--void);
  }

  html:not(.has-js) .site-nav {
    position: static;
    width: 100%;
    max-height: none;
    grid-column: 1 / -1;
    transform: none;
    visibility: visible;
    pointer-events: auto;
    overflow: visible;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-m);
  }

  html:not(.has-js) .header-actions {
    display: none;
  }
}

/* ------------------------------------------------------------------
   Hero
   ------------------------------------------------------------------ */

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: clamp(660px, 96svh, 960px);
  padding: calc(var(--header-height) + 4rem) clamp(1.1rem, 4vw, 4rem) clamp(2rem, 4vw, 3rem);
  color: var(--white);
  background: var(--void);
}

/* attack-path operating picture — inline SVG backdrop */
.hero-map {
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  transform: translate3d(var(--hero-shift-x, 0), var(--hero-shift-y, 0), 0);
  will-change: transform;
}

.hero-map svg {
  position: absolute;
  /* bleed absorbs the pointer-parallax shift so map edges never show */
  inset: -24px;
  width: calc(100% + 48px);
  height: calc(100% + 48px);
}

/* one-shot route draw: each validated segment traces in sequence, with
   waypoints, arrowheads, and the closure chip landing as the route arrives */
.hero-route path {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: hero-route-draw 620ms cubic-bezier(0.55, 0, 0.35, 1) forwards;
}

.hero-route path:nth-child(1) {
  animation-delay: 300ms;
}

.hero-route path:nth-child(2) {
  animation-delay: 940ms;
}

.hero-route path:nth-child(3) {
  animation-delay: 1580ms;
}

.hero-route path:nth-child(4) {
  animation-delay: 2220ms;
}

.hero-route-tips path,
.hero-route-dots circle,
.hero-route-chip {
  opacity: 0;
  animation: hero-route-in 300ms ease-out forwards;
}

.hero-route-tips path:nth-child(1) {
  animation-delay: 870ms;
}

.hero-route-tips path:nth-child(2) {
  animation-delay: 1510ms;
}

.hero-route-tips path:nth-child(3) {
  animation-delay: 2150ms;
}

.hero-route-tips path:nth-child(4) {
  animation-delay: 2790ms;
}

.hero-route-dots circle:nth-child(1) {
  animation-delay: 670ms;
}

.hero-route-dots circle:nth-child(2) {
  animation-delay: 1100ms;
}

.hero-route-dots circle:nth-child(3) {
  animation-delay: 1470ms;
}

.hero-route-dots circle:nth-child(4) {
  animation-delay: 1700ms;
}

.hero-route-dots circle:nth-child(5) {
  animation-delay: 2080ms;
}

.hero-route-dots circle:nth-child(6) {
  animation-delay: 2340ms;
}

.hero-route-dots circle:nth-child(7) {
  animation-delay: 2750ms;
}

.hero-route-chip {
  animation-duration: 420ms;
  animation-delay: 2950ms;
}

@keyframes hero-route-draw {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes hero-route-in {
  to {
    opacity: 1;
  }
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

/* readability scrims over the map — same stack the photo hero used */
.hero::before {
  background:
    linear-gradient(180deg, rgba(11, 12, 9, 0.42) 0%, rgba(11, 12, 9, 0) 26%, rgba(11, 12, 9, 0) 56%, var(--void) 99%),
    linear-gradient(90deg, rgba(11, 12, 9, 0.93) 0%, rgba(11, 12, 9, 0.72) 42%, rgba(11, 12, 9, 0.16) 82%, rgba(11, 12, 9, 0.4) 100%),
    radial-gradient(110% 80% at 80% 6%, rgba(143, 196, 188, 0.16), transparent 58%);
}

.hero::after {
  opacity: 0.07;
  background: linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.14) 50%, transparent 100%);
  transform: translateY(-100%);
  animation: scanline 9s linear infinite;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1180px, 100%);
  margin: 0 auto;
}

h1 span {
  display: inline-block;
  background: linear-gradient(180deg, #ffffff 52%, rgba(255, 255, 255, 0.62) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-copy {
  max-width: 660px;
  margin: 1.35rem 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.18rem;
  line-height: 1.6;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.2rem;
}

.hero-baseline {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(420px, 1fr);
  gap: 1.25rem 2.5rem;
  align-items: end;
  margin-top: clamp(2.4rem, 5vw, 3.8rem);
  padding-top: 1.3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-principles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
}

.hero-principles span {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: rgba(255, 255, 255, 0.68);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-principles span::before {
  color: var(--red-glow);
  font-weight: 700;
  opacity: 0.95;
}

.hero-principles span:nth-child(1)::before {
  content: "01";
}

.hero-principles span:nth-child(2)::before {
  content: "02";
}

.hero-principles span:nth-child(3)::before {
  content: "03";
}

.hero-lens {
  display: grid;
  gap: 0.55rem;
  justify-items: end;
}

.hero-lens-label {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 0.7rem;
  color: rgba(255, 255, 255, 0.42);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-lens-label strong {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.7rem;
  letter-spacing: 0;
}

.hero-lens-options {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.4rem;
}

.hero-lens-options button {
  min-height: 34px;
  padding: 0.42rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.035);
  color: rgba(255, 255, 255, 0.62);
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0;
  cursor: pointer;
  transition:
    color 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

.hero-lens-options button:hover {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.36);
  transform: translateY(-1px);
}

.hero-lens-options button[aria-pressed="true"] {
  border-color: rgba(226, 93, 84, 0.62);
  background: rgba(181, 50, 43, 0.18);
  color: #ffd7d3;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.hero-map.is-refreshing {
  animation: hero-map-refresh 440ms cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes hero-map-refresh {
  0% {
    opacity: 0.72;
    filter: saturate(0.7);
  }

  100% {
    opacity: 1;
    filter: saturate(1);
  }
}

/* ------------------------------------------------------------------
   Signal map — engagement operating picture
   ------------------------------------------------------------------ */

.signal-section {
  position: relative;
  overflow: hidden;
  padding: clamp(4.2rem, 8vw, 7.5rem) 0;
  background:
    radial-gradient(56% 48% at 72% 38%, rgba(181, 50, 43, 0.1), transparent 70%),
    linear-gradient(180deg, var(--void) 0%, #12130e 52%, #0e0f0b 100%);
  color: var(--white);
}

.signal-section::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.14;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 18%, #000 82%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 18%, #000 82%, transparent 100%);
  pointer-events: none;
}

.signal-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.76fr) minmax(0, 1.24fr);
  gap: clamp(2.5rem, 5vw, 5.5rem);
  align-items: center;
}

.signal-copy {
  max-width: 520px;
}

.signal-copy p {
  margin: 1.3rem 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-lede);
}

.signal-step-tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.35rem;
  margin-top: 1.6rem;
}

.signal-step-tabs button {
  min-width: 0;
  min-height: 48px;
  display: grid;
  gap: 0.12rem;
  justify-items: start;
  padding: 0.5rem 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.025);
  color: rgba(255, 255, 255, 0.66);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0;
  cursor: pointer;
  transition:
    color 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

.signal-step-tabs button b {
  color: rgba(255, 129, 119, 0.76);
  font-size: 0.58rem;
  letter-spacing: 0;
}

.signal-step-tabs button:hover {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.32);
  transform: translateY(-1px);
}

.signal-step-tabs button[aria-pressed="true"] {
  border-color: rgba(226, 93, 84, 0.58);
  background: rgba(181, 50, 43, 0.16);
  color: var(--white);
}

.signal-detail {
  position: relative;
  margin-top: 0.8rem;
  padding: 1rem 1.05rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-left: 2px solid var(--red-bright);
  border-radius: 9px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.signal-detail > span {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--red-glow);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

.signal-detail h3 {
  max-width: 30ch;
  color: rgba(255, 255, 255, 0.94);
  font-size: 1.02rem;
  line-height: 1.28;
}

.signal-copy .signal-detail p {
  margin-top: 0.55rem;
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.84rem;
  line-height: 1.55;
}

.signal-detail em {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.75rem;
  color: rgba(185, 218, 212, 0.8);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-style: normal;
  letter-spacing: 0;
}

.signal-detail em::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--teal);
  box-shadow: 0 0 10px rgba(143, 196, 188, 0.45);
}

.signal-detail.is-refreshing {
  animation: signal-detail-refresh 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes signal-detail-refresh {
  from {
    opacity: 0.45;
    transform: translateY(5px);
  }
}

.signal-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.6rem;
}

.signal-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.34rem 0.68rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: rgba(255, 255, 255, 0.68);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0;
  cursor: default;
  transition:
    border-color 180ms ease,
    color 180ms ease,
    background 180ms ease;
}

.signal-legend span:hover {
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.92);
}

.signal-legend span::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.3);
}

.signal-legend .is-verified::before {
  background: rgba(143, 196, 188, 0.92);
  box-shadow: 0 0 10px rgba(143, 196, 188, 0.5);
}

.signal-legend .is-active::before {
  background: rgba(226, 93, 84, 0.92);
  box-shadow: 0 0 10px rgba(226, 93, 84, 0.5);
}

.signal-legend .is-queued::before {
  background: rgba(201, 163, 95, 0.9);
  box-shadow: 0 0 10px rgba(201, 163, 95, 0.45);
}

.signal-footnote {
  margin-top: 1.3rem;
  color: rgba(255, 255, 255, 0.52);
  font-family: var(--mono);
  font-size: 0.68rem !important;
  letter-spacing: 0;
}

/* stage frame */

.signal-stage {
  position: relative;
  z-index: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-l);
  background: linear-gradient(180deg, #1a1b13 0%, #101108 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 20px 50px rgba(0, 0, 0, 0.36),
    0 60px 140px rgba(0, 0, 0, 0.4);
}

.signal-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 6;
  opacity: 0.09;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.14), transparent);
  transform: translateY(-100%);
  animation: scanline 13s linear infinite;
  pointer-events: none;
}

.signal-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(143, 196, 188, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 196, 188, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(130% 90% at 50% 28%, #000 42%, transparent 100%);
  -webkit-mask-image: radial-gradient(130% 90% at 50% 28%, #000 42%, transparent 100%);
  transform: translate3d(
    calc(var(--graphic-shift-x, 0px) * 0.05),
    calc(var(--graphic-shift-y, 0px) * 0.05),
    0
  );
  pointer-events: none;
}

.signal-topbar {
  position: relative;
  z-index: 2;
  min-height: 52px;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0 1.15rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(9, 10, 7, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.signal-dots {
  display: inline-flex;
  gap: 0.42rem;
}

.signal-dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.signal-dots i:nth-child(1) {
  background: rgba(226, 93, 84, 0.9);
}

.signal-dots i:nth-child(2) {
  background: rgba(201, 163, 95, 0.7);
}

.signal-dots i:nth-child(3) {
  background: rgba(143, 196, 188, 0.7);
}

.signal-crumb {
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0;
}

.signal-route {
  padding: 0.18rem 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: rgba(255, 255, 255, 0.48);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 650;
  letter-spacing: 0;
}

.signal-live {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
  color: rgba(255, 255, 255, 0.66);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0;
}

.signal-live i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 12px rgba(143, 196, 188, 0.6);
  animation: pulse-node 2.8s ease-in-out infinite;
}

/* core strip */

.signal-core {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.15rem 1.2rem 0;
  padding: 0.95rem 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-m);
  background:
    linear-gradient(90deg, rgba(181, 50, 43, 0.17), rgba(143, 196, 188, 0.07) 46%, rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.02);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 14px 34px rgba(0, 0, 0, 0.3);
  transform: translate3d(
    calc(var(--graphic-shift-x, 0px) * 0.07),
    calc(var(--graphic-shift-y, 0px) * 0.07),
    0
  );
}

.signal-core-mark {
  flex: none;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(226, 93, 84, 0.52);
  border-radius: 10px;
  background: rgba(181, 50, 43, 0.15);
  box-shadow: 0 0 26px rgba(181, 50, 43, 0.26);
  color: var(--red-glow);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0;
}

.signal-core-copy strong {
  display: block;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.98rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.signal-core-copy small {
  display: block;
  margin-top: 0.14rem;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0;
}

.signal-core-meter {
  display: inline-flex;
  gap: 5px;
  margin-left: auto;
}

.signal-core-meter i {
  width: 26px;
  height: 5px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
}

.signal-core-meter i.on {
  background: rgba(143, 196, 188, 0.78);
}

.signal-core-meter i.is-live {
  background: rgba(226, 93, 84, 0.9);
  animation: meter-pulse 2.4s ease-in-out infinite;
}

/* scene: connector layer + board share one parallax layer */

.signal-scene {
  position: relative;
  margin: 1.05rem 1.2rem 1.2rem;
  transform: translate3d(
    calc(var(--graphic-shift-x, 0px) * 0.12),
    calc(var(--graphic-shift-y, 0px) * 0.12),
    0
  );
  will-change: transform;
}

.signal-flow {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.signal-flow .flow-line {
  fill: none;
  stroke: rgba(143, 196, 188, 0.4);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-dasharray: 3 7;
  animation: flow-dash 30s linear infinite;
}

.signal-flow .flow-motion {
  fill: none;
  stroke: none;
}

.signal-flow .flow-port {
  fill: rgba(143, 196, 188, 0.85);
}

.signal-pulse .flow-halo {
  fill: rgba(255, 129, 119, 0.2);
}

.signal-pulse .flow-dot {
  fill: var(--red-glow);
}

.signal-pulse {
  filter: drop-shadow(0 0 6px rgba(255, 129, 119, 0.85));
}

.signal-board {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  align-items: start;
}

.signal-lane {
  display: grid;
  grid-template-rows: auto repeat(2, minmax(116px, auto));
  gap: 0.8rem;
  min-height: 348px;
  padding: 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.024);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.signal-lane.is-hot {
  margin-top: 1.05rem;
  border-color: rgba(226, 93, 84, 0.26);
  background: linear-gradient(180deg, rgba(181, 50, 43, 0.05), rgba(255, 255, 255, 0.015));
}

.signal-lane-head {
  min-height: 34px;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0 0.3rem 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.signal-lane-head::before {
  content: "";
  width: 7px;
  height: 7px;
  border: 1px solid rgba(143, 196, 188, 0.6);
  background: rgba(143, 196, 188, 0.14);
}

.signal-lane.is-hot .signal-lane-head::before {
  border-color: rgba(226, 93, 84, 0.65);
  background: rgba(226, 93, 84, 0.16);
}

.signal-lane-head strong {
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

.signal-lane-head span {
  min-width: 22px;
  height: 20px;
  margin-left: auto;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.62);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 750;
}

/* node cards */

.signal-node {
  position: relative;
  z-index: 2;
  overflow: hidden;
  display: grid;
  align-content: start;
  gap: 0.38rem;
  min-height: 116px;
  padding: 0.92rem 0.95rem 0.85rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(38, 39, 30, 0.97), rgba(20, 21, 15, 0.95));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 14px 30px rgba(0, 0, 0, 0.3);
  transition:
    border-color 200ms ease,
    box-shadow 200ms ease,
    transform 200ms ease,
    opacity 260ms ease;
}

.signal-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: rgba(255, 255, 255, 0.24);
}

.signal-node.is-verified::before {
  background: linear-gradient(180deg, rgba(143, 196, 188, 0.95), rgba(143, 196, 188, 0.4));
}

.signal-node.is-active::before {
  background: linear-gradient(180deg, var(--red-glow), var(--red));
}

.signal-node.is-queued::before {
  background: linear-gradient(180deg, rgba(201, 163, 95, 0.8), rgba(201, 163, 95, 0.3));
}

.signal-node.is-active {
  border-color: rgba(226, 93, 84, 0.42);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 0 34px rgba(181, 50, 43, 0.18),
    0 14px 34px rgba(0, 0, 0, 0.32);
}

.signal-node.is-active::after {
  content: "";
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(226, 93, 84, 0.95), transparent);
  animation: signal-sweep 4.6s ease-in-out infinite;
}

.signal-node.is-queued {
  border-color: rgba(255, 255, 255, 0.09);
  background: linear-gradient(180deg, rgba(25, 26, 20, 0.72), rgba(18, 19, 14, 0.62));
}

.signal-node.is-queued strong,
.signal-node.is-queued small {
  opacity: 0.78;
}

.signal-node:hover {
  border-color: rgba(255, 255, 255, 0.32);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.07),
    0 20px 44px rgba(0, 0, 0, 0.36);
  transform: translateY(-3px);
}

.signal-node.is-active:hover {
  border-color: rgba(226, 93, 84, 0.6);
}

.signal-stage[data-active-stage] .signal-node {
  opacity: 0.34;
}

.signal-stage[data-active-stage] .signal-node.is-selected {
  opacity: 1;
  border-color: rgba(226, 93, 84, 0.62);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 0 38px rgba(181, 50, 43, 0.18),
    0 18px 38px rgba(0, 0, 0, 0.34);
  transform: translateY(-2px);
}

.signal-node-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.signal-node-head span {
  color: rgba(255, 255, 255, 0.55);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0;
}

.signal-node-head em {
  margin-left: auto;
  padding: 0.13rem 0.44rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.62);
  font-family: var(--mono);
  font-size: 0.6rem;
  font-style: normal;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

.signal-node.is-verified .signal-node-head em {
  border-color: rgba(143, 196, 188, 0.42);
  background: rgba(143, 196, 188, 0.1);
  color: rgba(185, 218, 212, 0.95);
}

.signal-node.is-active .signal-node-head em {
  border-color: rgba(226, 93, 84, 0.55);
  background: rgba(181, 50, 43, 0.16);
  color: #ffa39c;
}

.signal-node.is-queued .signal-node-head em {
  border-color: rgba(201, 163, 95, 0.4);
  background: rgba(201, 163, 95, 0.08);
  color: rgba(222, 195, 143, 0.9);
}

.signal-node strong {
  font-size: 1.04rem;
  font-weight: 730;
  letter-spacing: 0;
}

.signal-node small {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.78rem;
  line-height: 1.35;
}

.signal-node-meta {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 0.42rem;
  padding-top: 0.52rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.signal-node-meta i {
  width: 18px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.12);
}

.signal-node-meta i.on {
  background: rgba(143, 196, 188, 0.82);
}

.signal-node.is-active .signal-node-meta i.on {
  background: rgba(226, 93, 84, 0.85);
}

.signal-node-meta b {
  margin-left: auto;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0;
}

.signal-slot {
  min-height: 96px;
  display: grid;
  place-items: center;
  padding: 0.5rem;
  border: 1px dashed rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  background: repeating-linear-gradient(
    135deg,
    transparent 0,
    transparent 12px,
    rgba(255, 255, 255, 0.016) 12px,
    rgba(255, 255, 255, 0.016) 13px
  );
  color: rgba(255, 255, 255, 0.42);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 650;
  letter-spacing: 0;
  text-align: center;
  transition: opacity 260ms ease;
}

/* legend-driven highlight */

.signal-stage[data-filter] .signal-node {
  opacity: 0.22;
}

.signal-stage[data-filter] .signal-slot {
  opacity: 0.25;
}

.signal-stage[data-filter="verified"] .signal-node.is-verified,
.signal-stage[data-filter="active"] .signal-node.is-active,
.signal-stage[data-filter="queued"] .signal-node.is-queued {
  opacity: 1;
}

/* artifacts rail */

.signal-rail {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: auto repeat(4, minmax(0, 1fr));
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.2rem 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(8, 9, 6, 0.88);
}

.signal-rail > strong {
  padding-right: 0.4rem;
  color: rgba(255, 255, 255, 0.55);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

.signal-rail span {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
  color: rgba(255, 255, 255, 0.78);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

.signal-rail span:hover {
  border-color: rgba(143, 196, 188, 0.45);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  transform: translateY(-2px);
}

.signal-rail i {
  position: relative;
  flex: none;
  width: 12px;
  height: 15px;
  border: 1px solid rgba(143, 196, 188, 0.55);
  background: rgba(143, 196, 188, 0.12);
  clip-path: polygon(0 0, 62% 0, 100% 34%, 100% 100%, 0 100%);
}

.signal-rail i::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 5px;
  height: 5px;
  border-left: 1px solid rgba(143, 196, 188, 0.55);
  border-bottom: 1px solid rgba(143, 196, 188, 0.55);
  background: rgba(143, 196, 188, 0.28);
}

.signal-rail span::after {
  content: "";
  flex: none;
  width: 8px;
  height: 5px;
  margin-left: auto;
  border-left: 2px solid rgba(143, 196, 188, 0.9);
  border-bottom: 2px solid rgba(143, 196, 188, 0.9);
  transform: rotate(-45deg);
}

.signal-rail span.is-pending::after {
  width: 7px;
  height: 7px;
  border: 2px solid rgba(201, 163, 95, 0.6);
  border-radius: 50%;
  transform: none;
}

/* ------------------------------------------------------------------
   Intro
   ------------------------------------------------------------------ */

.two-column,
.fit-layout,
.evidence-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.intro-section {
  padding-top: clamp(3.8rem, 7vw, 6.5rem);
}

.lede-stack {
  display: grid;
  gap: 1.1rem;
  color: var(--muted);
  font-size: var(--fs-lede);
}

.lede-stack p,
.evidence-copy p,
.fit-points p,
.contact-panel p,
.deliverable-list p,
.service-card p {
  margin: 0;
}

.signal-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1.4rem;
}

.signal-list article {
  min-height: 122px;
  display: grid;
  align-content: space-between;
  gap: 1rem;
  padding: 1.05rem 1.1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  box-shadow: 0 1px 0 rgba(21, 21, 18, 0.03);
  transition:
    transform 200ms ease,
    border-color 200ms ease,
    box-shadow 200ms ease;
}

.signal-list article:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: 0 16px 34px rgba(21, 21, 18, 0.09);
}

.signal-list span {
  color: var(--red);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0;
}

.signal-list strong {
  color: var(--ink);
  font-size: 0.97rem;
  font-weight: 720;
  letter-spacing: 0;
  line-height: 1.25;
}

/* ------------------------------------------------------------------
   Services
   ------------------------------------------------------------------ */

.service-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(50% 40% at 8% 0%, rgba(181, 50, 43, 0.1), transparent 70%),
    var(--coal);
  color: var(--white);
}

.service-section::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(143, 196, 188, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 196, 188, 0.08) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(120% 100% at 50% 0%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(120% 100% at 50% 0%, #000 30%, transparent 100%);
  pointer-events: none;
}

.service-section .container {
  position: relative;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-l);
  background: rgba(255, 255, 255, 0.14);
  overflow: hidden;
}

.service-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 330px;
  padding: clamp(1.3rem, 2.6vw, 2rem);
  background: var(--coal);
  transition: background 240ms ease;
}

.service-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  align-self: stretch;
  margin-bottom: 1.8rem;
}

.service-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 11px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.015));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.09);
  color: var(--teal);
  transition:
    color 240ms ease,
    border-color 240ms ease,
    box-shadow 240ms ease;
}

.service-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card:hover .service-icon,
.service-card:focus-within .service-icon {
  color: var(--red-glow);
  border-color: rgba(226, 93, 84, 0.45);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.09),
    0 0 26px rgba(181, 50, 43, 0.22);
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--red-glow), var(--red));
  opacity: 0;
  transition: opacity 240ms ease;
}

.service-card::after {
  content: "";
  position: absolute;
  top: 16px;
  right: 16px;
  width: 9px;
  height: 9px;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  border-right: 1px solid rgba(255, 255, 255, 0.28);
  transition: border-color 240ms ease, transform 240ms ease;
}

.service-card:hover,
.service-card:focus-within {
  background: #1b1c14;
}

.service-card:hover::before,
.service-card:focus-within::before {
  opacity: 1;
}

.service-card:hover::after,
.service-card:focus-within::after {
  border-color: var(--red-glow);
  transform: translate(2px, -2px);
}

.service-index {
  color: var(--red-glow);
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0;
  opacity: 0.85;
}

.service-card h3 {
  max-width: 30ch;
}

.service-card p {
  margin-top: 0.95rem;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.97rem;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-self: stretch;
  margin: auto 0 0;
  padding: 1.35rem 0 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.service-tags li {
  padding: 0.32rem 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0;
  transition: border-color 200ms ease, color 200ms ease;
}

.service-card:hover .service-tags li {
  border-color: rgba(255, 255, 255, 0.26);
  color: rgba(255, 255, 255, 0.85);
}

/* wide AI service card - project constraints: rem font sizes, letter-spacing 0 */

.service-card-wide {
  grid-column: 1 / -1;
  min-height: 0;
}

.service-card-wide .service-card-top {
  margin-bottom: 1.35rem;
}

.service-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  gap: 1.2rem 3rem;
  align-items: start;
  align-self: stretch;
}

.service-split .service-tags {
  margin-top: 1.15rem;
  padding-top: 0;
  border-top: 0;
}

.service-split-copy p {
  margin-top: 0;
}

.service-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.05rem;
  color: var(--red-glow);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0;
  text-decoration: none;
}

.service-more::after {
  content: "\2192";
  transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

.service-more:hover {
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.service-more:hover::after {
  transform: translateX(4px);
}

.service-scope {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.9rem;
  color: rgba(255, 255, 255, 0.76);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0;
  text-decoration: none;
  text-underline-offset: 0.22em;
}

.service-scope::after {
  content: "→";
  color: var(--red-glow);
  transition: transform 180ms ease;
}

.service-scope:hover {
  color: var(--white);
  text-decoration: underline;
  text-decoration-color: rgba(226, 93, 84, 0.7);
}

.service-scope:hover::after {
  transform: translateX(4px);
}

.service-scope-inline {
  margin-left: 1.2rem;
}

/* ------------------------------------------------------------------
   Capability matrix
   ------------------------------------------------------------------ */

.matrix-section {
  position: relative;
  overflow: hidden;
  background: #0e0f0b;
  color: var(--white);
}

.matrix-section::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.08;
  background-image: linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 100% 42px;
  pointer-events: none;
}

.matrix-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.matrix-copy {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.matrix-copy p {
  margin: 1.3rem 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-lede);
}

.matrix-side {
  min-width: 0;
}

.matrix-panel {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-m);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015)),
    rgba(255, 255, 255, 0.02);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 30px 90px rgba(0, 0, 0, 0.28);
}

.matrix-topbar {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-height: 48px;
  padding: 0 1.1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(9, 10, 7, 0.72);
}

.matrix-crumb {
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--mono);
  font-size: 0.73rem;
  font-weight: 750;
  letter-spacing: 0;
}

.matrix-note {
  margin-left: auto;
  color: rgba(255, 255, 255, 0.42);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 650;
  letter-spacing: 0;
}

.matrix-row:not(.matrix-header) span:first-child::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  margin-right: 0.7rem;
  border: 1px solid rgba(143, 196, 188, 0.6);
  background: rgba(143, 196, 188, 0.14);
  transition: border-color 180ms ease, background 180ms ease;
}

.matrix-row:not(.matrix-header):hover span:first-child::before {
  border-color: rgba(226, 93, 84, 0.7);
  background: rgba(226, 93, 84, 0.2);
}

.matrix-caption {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 1rem 0 0;
  color: rgba(255, 255, 255, 0.42);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0;
}

.matrix-caption::before {
  content: "";
  flex: none;
  width: 24px;
  height: 1px;
  background: rgba(226, 93, 84, 0.65);
}

.matrix-row {
  display: grid;
  grid-template-columns: minmax(112px, 0.75fr) repeat(3, minmax(0, 1fr));
  min-height: 74px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.matrix-row:first-child {
  border-top: 0;
}

.matrix-row:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.matrix-row:not(.matrix-header):hover {
  background: rgba(255, 255, 255, 0.055);
  box-shadow: inset 2px 0 0 var(--red-bright);
}

.matrix-row span {
  display: flex;
  align-items: center;
  padding: 1rem 1.1rem;
  border-left: 1px solid rgba(255, 255, 255, 0.09);
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.92rem;
}

.matrix-row span:first-child {
  border-left: 0;
  color: var(--white);
  font-weight: 750;
  letter-spacing: 0;
}

.matrix-header {
  min-height: 52px;
  background: rgba(255, 255, 255, 0.045);
  box-shadow: inset 0 -2px 0 rgba(181, 50, 43, 0.65);
}

.matrix-header span {
  color: rgba(255, 255, 255, 0.68);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

/* ------------------------------------------------------------------
   Approach
   ------------------------------------------------------------------ */

.evidence-section {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(143, 196, 188, 0.13), transparent 46%),
    var(--paper-2);
}

.evidence-section::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(83, 102, 90, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(83, 102, 90, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(70% 90% at 100% 0%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(70% 90% at 100% 0%, #000 0%, transparent 72%);
  pointer-events: none;
}

.evidence-layout {
  position: relative;
}

.evidence-copy {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.evidence-copy p {
  margin-top: 1.3rem;
  color: var(--muted);
  font-size: var(--fs-lede);
}

.chain-panel {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  margin-top: 1.7rem;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-m);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(21, 21, 18, 0.07);
  counter-reset: chain;
}

.chain-panel span {
  position: relative;
  min-height: 72px;
  display: grid;
  gap: 0.3rem;
  place-items: center;
  align-content: center;
  padding: 0.85rem 0.4rem;
  background: var(--card);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
  counter-increment: chain;
  transition: background 180ms ease;
}

.chain-panel span:hover {
  background: var(--white);
}

.chain-panel span::before {
  content: counter(chain, decimal-leading-zero);
  color: var(--red);
  font-size: 0.62rem;
  font-weight: 750;
  letter-spacing: 0;
  opacity: 0.85;
}

.chain-panel span:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -4px;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -4px;
  border-top: 2px solid var(--red);
  border-right: 2px solid var(--red);
  transform: rotate(45deg);
  z-index: 1;
}

.process-list {
  position: relative;
  display: block;
  margin: 0;
  padding: 0.35rem 0;
  list-style: none;
  counter-reset: process;
}

.process-list::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 14px;
  bottom: 24px;
  width: 1px;
  background: linear-gradient(
    180deg,
    var(--red) 0%,
    var(--line-strong) 26%,
    var(--line-strong) 88%,
    transparent 100%
  );
}

.process-list li {
  position: relative;
  max-width: 58ch;
  padding: 0 0 2.1rem 3.1rem;
  color: var(--muted);
  font-size: 0.99rem;
  counter-increment: process;
}

.process-list li:last-child {
  padding-bottom: 0.3rem;
}

.process-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 4px;
  width: 13px;
  height: 13px;
  border: 2px solid var(--red);
  border-radius: 50%;
  background: var(--paper-2);
  box-shadow: 0 0 0 5px var(--paper-2);
  transition: background 180ms ease, transform 180ms ease;
}

.process-list li:hover::before {
  background: var(--red);
  transform: scale(1.08);
}

.process-list span {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  margin-bottom: 0.35rem;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 750;
  letter-spacing: 0;
}

.process-list span::before {
  content: counter(process, decimal-leading-zero);
  color: var(--red);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0;
}

/* ------------------------------------------------------------------
   Coverage - research-led testing / proof-of-work ledger
   Project constraints: no viewport-width font sizing; letter-spacing
   declarations in this block are 0.
   ------------------------------------------------------------------ */

.coverage-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(44% 38% at 96% 4%, rgba(143, 196, 188, 0.1), transparent 70%),
    radial-gradient(38% 30% at 0% 100%, rgba(181, 50, 43, 0.08), transparent 70%),
    linear-gradient(180deg, #0d0e09 0%, #11120c 100%);
  color: var(--white);
}

.coverage-section::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background-image: radial-gradient(rgba(143, 196, 188, 0.13) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(90% 80% at 50% 0%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(90% 80% at 50% 0%, #000 20%, transparent 78%);
  pointer-events: none;
}

.coverage-section .container {
  position: relative;
}

.coverage-lede {
  max-width: 64ch;
  margin: 1.15rem 0 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 1.05rem;
  letter-spacing: 0;
}

.coverage-panel {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: linear-gradient(180deg, #16170f 0%, #0e0f09 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 30px 80px rgba(0, 0, 0, 0.36);
}

.coverage-topbar {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-height: 48px;
  padding: 0 1.15rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(9, 10, 7, 0.72);
}

.coverage-crumb {
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--mono);
  font-size: 0.73rem;
  font-weight: 750;
  letter-spacing: 0;
}

.coverage-note {
  margin-left: auto;
  color: rgba(255, 255, 255, 0.42);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 650;
  letter-spacing: 0;
}

.coverage-body {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(230px, 0.8fr);
}

.ledger {
  padding: 0.2rem 1.15rem 0.9rem;
}

.ledger-row {
  display: grid;
  grid-template-columns: minmax(150px, 1.15fr) repeat(4, minmax(0, 1fr));
  align-items: center;
  min-height: 50px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.ledger-row.ledger-head {
  border-top: 0;
  min-height: 42px;
}

.ledger-head span {
  color: rgba(255, 255, 255, 0.48);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

.ledger-row span {
  padding: 0.5rem 0.6rem 0.5rem 0;
}

.ledger-row span:first-child {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  font-weight: 700;
}

.ledger-row span[role="cell"] {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0;
}

.ledger-row span[role="cell"] i {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.14);
}

.ledger-row span.is-done i {
  background: rgba(143, 196, 188, 0.85);
  box-shadow: 0 0 10px rgba(143, 196, 188, 0.32);
}

.ledger-row span.is-live {
  color: rgba(255, 163, 156, 0.92);
}

.ledger-row span.is-live i {
  background: rgba(226, 93, 84, 0.9);
  box-shadow: 0 0 10px rgba(226, 93, 84, 0.4);
  animation: meter-pulse 2.4s ease-in-out infinite;
}

.ledger-row span.is-na {
  color: rgba(255, 255, 255, 0.4);
}

.ledger-row span.is-na i {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.32);
}

.closure-rail {
  display: grid;
  gap: 0.7rem;
  align-content: start;
  padding: 1.15rem 1.15rem 1.25rem;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.015);
}

.closure-rail strong {
  margin-bottom: 0.15rem;
  color: rgba(255, 255, 255, 0.48);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

.closure-rail span {
  position: relative;
  display: block;
  padding-left: 1.5rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.86rem;
  line-height: 1.5;
}

.closure-rail span i {
  position: absolute;
  left: 2px;
  top: 0.42em;
  width: 8px;
  height: 5px;
  border-left: 2px solid var(--teal);
  border-bottom: 2px solid var(--teal);
  transform: rotate(-45deg);
}

.coverage-ai {
  display: grid;
  gap: 0.7rem;
  padding: 1.05rem 1.15rem 1.15rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(90deg, rgba(143, 196, 188, 0.055), transparent 58%);
}

.coverage-ai-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.8rem;
}

.coverage-ai-head strong {
  font-size: 0.97rem;
  font-weight: 720;
}

.coverage-ai-head em {
  margin-left: auto;
  color: rgba(255, 255, 255, 0.42);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-style: normal;
  font-weight: 650;
  letter-spacing: 0;
}

.coverage-ai p {
  max-width: 78ch;
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.9rem;
}

.coverage-ai-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.coverage-ai-tags li {
  padding: 0.3rem 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0;
}

.coverage-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.15rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(8, 9, 6, 0.5);
}

.coverage-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.62rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: rgba(255, 255, 255, 0.66);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0;
}

.coverage-legend span::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.3);
}

.coverage-legend .is-done::before {
  background: rgba(143, 196, 188, 0.92);
}

.coverage-legend .is-live::before {
  background: rgba(226, 93, 84, 0.92);
}

.coverage-legend .is-na::before {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.coverage-legend em {
  margin-left: auto;
  color: rgba(255, 255, 255, 0.4);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-style: normal;
  letter-spacing: 0;
}

.coverage-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1.6rem;
}

.coverage-points article {
  padding: 1.1rem 1.15rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.006));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transition: border-color 200ms ease, background 200ms ease;
}

.coverage-points article:hover {
  border-color: rgba(255, 255, 255, 0.24);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
}

.coverage-points span {
  color: var(--red-glow);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0;
}

.coverage-points strong {
  display: block;
  margin: 0.55rem 0 0.4rem;
  font-size: 0.99rem;
  font-weight: 720;
}

.coverage-points p {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.89rem;
  line-height: 1.6;
}

/* ------------------------------------------------------------------
   AI security - trust-boundary map on a light section
   Project constraints: no viewport-width font sizing; letter-spacing
   declarations in this block are 0.
   ------------------------------------------------------------------ */

.ai-section {
  background:
    linear-gradient(270deg, rgba(143, 196, 188, 0.14), transparent 46%),
    var(--paper);
}

.ai-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.ai-lede {
  margin: 1.3rem 0 0;
  color: var(--muted);
  font-size: var(--fs-lede);
}

.ai-scope {
  display: grid;
  gap: 0.55rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.ai-scope li {
  position: relative;
  padding-left: 1.75rem;
  color: var(--muted);
  font-size: 0.99rem;
  line-height: 1.55;
}

.ai-scope li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.5em;
  width: 9px;
  height: 5px;
  border-left: 2px solid var(--moss);
  border-bottom: 2px solid var(--moss);
  transform: rotate(-45deg);
}

.ai-remediation {
  max-width: 52ch;
  margin: 1.5rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 0.96rem;
}

.ai-panel {
  border: 1px solid #23241a;
  border-radius: var(--radius-l);
  overflow: hidden;
  background: linear-gradient(180deg, #17180f 0%, #0e0f09 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.07),
    0 30px 70px rgba(21, 21, 18, 0.3);
  color: var(--white);
}

.ai-topbar {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-height: 48px;
  padding: 0 1.15rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(9, 10, 7, 0.72);
}

.ai-crumb {
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--mono);
  font-size: 0.73rem;
  font-weight: 750;
  letter-spacing: 0;
}

.ai-note {
  margin-left: auto;
  color: rgba(255, 255, 255, 0.42);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 650;
  letter-spacing: 0;
}

.ai-board {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(200px, 0.72fr);
}

.ai-flow {
  display: grid;
  gap: 0.5rem;
  padding: 1.1rem 1.15rem 1.25rem;
}

.ai-node {
  position: relative;
  overflow: hidden;
  padding: 0.72rem 0.9rem 0.72rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(38, 39, 30, 0.95), rgba(20, 21, 15, 0.92));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.ai-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, rgba(143, 196, 188, 0.9), rgba(143, 196, 188, 0.35));
}

.ai-node.is-source::before {
  background: linear-gradient(180deg, var(--red-glow), var(--red));
}

.ai-node strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 720;
  color: rgba(255, 255, 255, 0.92);
}

.ai-node small {
  display: block;
  margin-top: 0.18rem;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0;
}

.ai-boundary {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 20px;
  padding: 0 0.15rem;
}

.ai-boundary::before,
.ai-boundary::after {
  content: "";
  flex: 1 1 auto;
  border-top: 1px dashed rgba(226, 93, 84, 0.5);
}

.ai-boundary span {
  padding: 0.08rem 0.5rem;
  border: 1px solid rgba(226, 93, 84, 0.35);
  border-radius: 999px;
  background: rgba(181, 50, 43, 0.12);
  color: rgba(255, 163, 156, 0.85);
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
  white-space: nowrap;
}

.ai-cross {
  display: grid;
  gap: 0.7rem;
  align-content: start;
  padding: 1.1rem 1rem 1.2rem;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.015);
}

.ai-cross > strong {
  color: rgba(255, 255, 255, 0.48);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

.ai-cross-card {
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
}

.ai-cross-card b {
  display: block;
  font-size: 0.85rem;
  font-weight: 720;
  color: rgba(255, 255, 255, 0.9);
}

.ai-cross-card small {
  display: block;
  margin-top: 0.18rem;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0;
  line-height: 1.5;
}

.ai-cross em {
  color: rgba(255, 255, 255, 0.4);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-style: normal;
  letter-spacing: 0;
}

/* ------------------------------------------------------------------
   Deliverables
   ------------------------------------------------------------------ */

.deliverables-section {
  position: relative;
  overflow: hidden;
  background: var(--coal-2);
  color: var(--white);
}

.deliverables-section::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.14;
  background: repeating-linear-gradient(
    135deg,
    transparent 0,
    transparent 18px,
    rgba(143, 196, 188, 0.12) 19px,
    transparent 20px
  );
  pointer-events: none;
}

.deliverables-section .container {
  position: relative;
}

.deliverable-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-l);
  overflow: hidden;
}

.deliverable-list button {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 280px;
  padding: clamp(1.3rem, 2.2vw, 1.8rem);
  border: 0;
  background: var(--coal-2);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition:
    background 240ms ease,
    box-shadow 240ms ease;
}

.deliverable-list button::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--red-bright), rgba(226, 93, 84, 0) 72%);
  opacity: 0;
  transition: opacity 240ms ease;
}

.deliverable-list button:hover,
.deliverable-list button[aria-selected="true"] {
  background: #20211a;
}

.deliverable-list button:hover::after,
.deliverable-list button[aria-selected="true"]::after {
  opacity: 1;
}

.deliverable-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 1.3rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  color: var(--teal);
  transition: color 240ms ease, border-color 240ms ease;
}

.deliverable-icon svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.deliverable-list button:hover .deliverable-icon,
.deliverable-list button[aria-selected="true"] .deliverable-icon {
  color: var(--red-glow);
  border-color: rgba(226, 93, 84, 0.42);
}

.deliverable-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 1.3rem;
  color: rgba(255, 255, 255, 0.52);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0;
}

.deliverable-meta i {
  position: relative;
  flex: none;
  width: 11px;
  height: 14px;
  border: 1px solid rgba(143, 196, 188, 0.55);
  background: rgba(143, 196, 188, 0.12);
  clip-path: polygon(0 0, 62% 0, 100% 34%, 100% 100%, 0 100%);
}

.deliverable-list p {
  margin-top: 0.95rem;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.95rem;
}

.deliverable-preview {
  margin-top: 1rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-l);
  background: #101108;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 24px 60px rgba(0, 0, 0, 0.28);
}

.deliverable-preview-head {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(8, 9, 6, 0.72);
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0;
}

.deliverable-preview-head em {
  margin-left: auto;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.64rem;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0;
}

.deliverable-preview-body {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  padding: clamp(1.4rem, 3vw, 2.5rem);
  background:
    radial-gradient(70% 90% at 100% 50%, rgba(143, 196, 188, 0.07), transparent 70%),
    linear-gradient(135deg, #171810, #101108);
}

.deliverable-preview-copy > span {
  display: block;
  margin-bottom: 0.8rem;
  color: var(--red-glow);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

.deliverable-preview-copy h3 {
  max-width: 24ch;
  font-size: 1.7rem;
  line-height: 1.12;
}

.deliverable-preview-copy p {
  max-width: 48ch;
  margin: 0.9rem 0 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.94rem;
}

.deliverable-preview-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.deliverable-preview-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
  padding: 0.85rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.025);
}

.deliverable-preview-list b {
  padding-top: 0.14rem;
  color: var(--red-glow);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0;
}

.deliverable-preview-list span,
.deliverable-preview-list strong {
  display: block;
}

.deliverable-preview-list span {
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.8rem;
  line-height: 1.5;
}

.deliverable-preview-list strong {
  margin-bottom: 0.14rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  letter-spacing: 0;
}

.deliverable-preview.is-refreshing .deliverable-preview-body {
  animation: deliverable-refresh 360ms cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes deliverable-refresh {
  from {
    opacity: 0.38;
    transform: translateY(7px);
  }
}

/* ------------------------------------------------------------------
   Fit
   ------------------------------------------------------------------ */

.fit-section {
  background: linear-gradient(180deg, var(--paper) 0%, #e8ece3 100%);
}

.fit-points {
  display: grid;
  gap: 0;
  counter-reset: fit;
}

.fit-points p {
  position: relative;
  padding: 1.35rem 0 1.35rem 2.9rem;
  border-top: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 1.04rem;
  counter-increment: fit;
  transition: color 200ms ease;
}

.fit-points p:last-child {
  border-bottom: 1px solid var(--line-strong);
}

.fit-points p::before {
  content: counter(fit, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.62rem;
  color: var(--red);
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0;
}

.fit-points p::after {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 0;
  height: 1px;
  background: var(--red);
  transition: width 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.fit-points p:hover {
  color: var(--ink);
}

.fit-points p:hover::after {
  width: 56px;
}

/* ------------------------------------------------------------------
   Credentials
   Note: per current project constraints, this block uses no
   viewport-width font sizing and no nonzero letter-spacing.
   ------------------------------------------------------------------ */

.credentials-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(46% 40% at 92% 0%, rgba(143, 196, 188, 0.09), transparent 70%),
    radial-gradient(40% 34% at 4% 100%, rgba(181, 50, 43, 0.09), transparent 70%),
    var(--coal);
  color: var(--white);
}

.credentials-section::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(143, 196, 188, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 196, 188, 0.08) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(120% 100% at 50% 100%, #000 26%, transparent 100%);
  -webkit-mask-image: radial-gradient(120% 100% at 50% 100%, #000 26%, transparent 100%);
  pointer-events: none;
}

.credentials-section .container {
  position: relative;
}

.credentials-lede {
  max-width: 58ch;
  margin: 1.15rem 0 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 1.05rem;
  letter-spacing: 0;
}

.cred-group + .cred-group {
  margin-top: 2.7rem;
}

.cred-group-head {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.15rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
}

.cred-group-head::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border: 1px solid rgba(226, 93, 84, 0.65);
  background: rgba(226, 93, 84, 0.16);
}

.cred-group.is-network .cred-group-head::before {
  border-color: rgba(143, 196, 188, 0.6);
  background: rgba(143, 196, 188, 0.14);
}

.cred-group-head h3 {
  font-size: 1.04rem;
  font-weight: 720;
  letter-spacing: 0;
}

.cred-group-head span {
  min-width: 26px;
  height: 22px;
  margin-left: auto;
  display: grid;
  place-items: center;
  padding: 0 0.4rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0;
}

.cred-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.cred-tile {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 80px;
  padding: 0.85rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.008));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition:
    border-color 200ms ease,
    background 200ms ease,
    transform 200ms ease;
}

.cred-tile:hover {
  border-color: rgba(255, 255, 255, 0.27);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.016));
  transform: translateY(-2px);
}

.cred-badge {
  flex: none;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.045);
  overflow: hidden;
}

.cred-badge img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

/* light chip for badge art drawn in dark ink (e.g. Cisco laurels) */
.cred-badge.is-light {
  border-color: rgba(255, 255, 255, 0.24);
  background: var(--paper);
}

.cred-badge.is-mark {
  border-color: rgba(226, 93, 84, 0.38);
  background: linear-gradient(180deg, rgba(226, 93, 84, 0.11), rgba(226, 93, 84, 0.02));
  color: var(--red-glow);
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0;
  text-align: center;
}

.cred-group.is-network .cred-badge.is-mark {
  border-color: rgba(143, 196, 188, 0.34);
  background: linear-gradient(180deg, rgba(143, 196, 188, 0.1), rgba(143, 196, 188, 0.02));
  color: var(--teal);
}

.cred-copy {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.cred-name {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.93rem;
  font-weight: 680;
  line-height: 1.32;
  letter-spacing: 0;
}

.cred-issuer {
  color: rgba(255, 255, 255, 0.56);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0;
}

.cred-footnote {
  max-width: 72ch;
  margin: 2.1rem 0 0;
  color: rgba(255, 255, 255, 0.54);
  font-size: 0.8rem;
  line-height: 1.6;
  letter-spacing: 0;
}

/* ------------------------------------------------------------------
   Contact
   ------------------------------------------------------------------ */

.contact-section {
  position: relative;
  overflow: hidden;
  padding: clamp(4.5rem, 9vw, 8rem) 0;
  background:
    radial-gradient(80% 70% at 12% 0%, rgba(181, 50, 43, 0.22), transparent 58%),
    radial-gradient(60% 55% at 100% 100%, rgba(143, 196, 188, 0.1), transparent 62%),
    var(--void);
  color: var(--white);
}

.contact-section::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(100% 100% at 50% 0%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(100% 100% at 50% 0%, #000 30%, transparent 100%);
  pointer-events: none;
}

.contact-section .container {
  position: relative;
}

.contact-layout {
  grid-template-columns: minmax(240px, 0.52fr) minmax(0, 1.48fr);
  gap: clamp(2rem, 4vw, 4rem);
}

.contact-note {
  max-width: 340px;
  margin: 1.4rem 0 0;
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-left: 2px solid var(--red-bright);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  color: rgba(255, 255, 255, 0.56);
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.7;
  letter-spacing: 0;
}

.contact-panel {
  position: relative;
  max-width: none;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-l);
  background: linear-gradient(180deg, #191a12 0%, #101107 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.07),
    0 30px 80px rgba(0, 0, 0, 0.42);
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.06rem;
}

.contact-panel::before,
.contact-panel::after {
  content: "";
  position: absolute;
  width: 15px;
  height: 15px;
  pointer-events: none;
}

.contact-panel::before {
  top: -6px;
  left: -6px;
  border-top: 2px solid rgba(226, 93, 84, 0.75);
  border-left: 2px solid rgba(226, 93, 84, 0.75);
}

.contact-panel::after {
  right: -6px;
  bottom: -6px;
  border-right: 2px solid rgba(255, 255, 255, 0.28);
  border-bottom: 2px solid rgba(255, 255, 255, 0.28);
}

.contact-panel-head {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-height: 50px;
  padding: 0 1.15rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: calc(var(--radius-l) - 1px) calc(var(--radius-l) - 1px) 0 0;
  background: rgba(9, 10, 7, 0.72);
}

.contact-crumb {
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--mono);
  font-size: 0.73rem;
  font-weight: 750;
  letter-spacing: 0;
}

.contact-live {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0;
}

.contact-live i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 12px rgba(143, 196, 188, 0.6);
  animation: pulse-node 2.8s ease-in-out infinite;
}

.contact-panel-body {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 1rem;
  align-items: start;
  padding: clamp(1.4rem, 2.6vw, 2rem);
}

.scope-builder-controls {
  display: grid;
  gap: 0.8rem;
}

.scope-step {
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.024);
}

.scope-step-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
}

.scope-step-head b {
  color: var(--red-glow);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 750;
  letter-spacing: 0;
}

.scope-step-head h3 {
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.9rem;
  line-height: 1.3;
  letter-spacing: 0;
}

.scope-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.scope-choices button {
  min-height: 35px;
  padding: 0.42rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.035);
  color: rgba(255, 255, 255, 0.66);
  font-family: var(--mono);
  font-size: 0.63rem;
  font-weight: 680;
  letter-spacing: 0;
  cursor: pointer;
  transition:
    color 170ms ease,
    border-color 170ms ease,
    background 170ms ease,
    transform 170ms ease;
}

.scope-choices button:hover {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.34);
  transform: translateY(-1px);
}

.scope-choices button[aria-pressed="true"] {
  border-color: rgba(226, 93, 84, 0.58);
  background: rgba(181, 50, 43, 0.17);
  color: #ffd7d3;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.scope-draft {
  position: relative;
  overflow: hidden;
  padding: 1rem;
  border: 1px solid rgba(143, 196, 188, 0.2);
  border-radius: 11px;
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(143, 196, 188, 0.08), transparent 70%),
    #11120c;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 16px 36px rgba(0, 0, 0, 0.22);
}

.scope-draft::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--red-bright), var(--teal), transparent 86%);
}

.scope-draft-head {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.9rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

.scope-draft-head em {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: auto;
  color: rgba(185, 218, 212, 0.72);
  font-size: 0.61rem;
  font-style: normal;
  font-weight: 650;
  letter-spacing: 0;
  text-transform: none;
}

.scope-draft-head i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 9px rgba(143, 196, 188, 0.55);
}

.scope-draft-ref {
  display: block;
  margin-bottom: 0.5rem;
  color: rgba(255, 129, 119, 0.74);
  font-family: var(--mono);
  font-size: 0.61rem;
  font-weight: 700;
  letter-spacing: 0;
}

.scope-draft > h3 {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.22rem;
  line-height: 1.22;
}

.scope-draft > p[data-scope-summary] {
  margin-top: 0.7rem;
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.82rem;
  line-height: 1.55;
}

.scope-needs {
  margin-top: 0.9rem;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.scope-needs > strong {
  display: block;
  margin-bottom: 0.55rem;
  color: rgba(255, 255, 255, 0.76);
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.scope-needs ul {
  display: grid;
  gap: 0.42rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.scope-needs li {
  position: relative;
  padding-left: 1.1rem;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.75rem;
  line-height: 1.45;
}

.scope-needs li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 1px;
  background: var(--teal);
}

.scope-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  margin-top: 1rem;
}

.scope-actions .button {
  min-height: 43px;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  font-size: 0.75rem;
}

.scope-copy {
  display: none;
  cursor: pointer;
}

.has-js .scope-copy {
  display: inline-flex;
}

.scope-copy::after {
  content: "⧉";
  transform: none;
}

.scope-copy:hover::after {
  transform: none;
}

.scope-safety {
  margin-top: 0.85rem !important;
  color: rgba(255, 255, 255, 0.56) !important;
  font-family: var(--mono);
  font-size: 0.61rem !important;
  line-height: 1.55 !important;
  letter-spacing: 0;
}

.scope-draft .contact-link {
  margin-top: 0.75rem;
  color: rgba(255, 255, 255, 0.76);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 650;
}

.scope-draft.is-refreshing {
  animation: scope-refresh 300ms cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes scope-refresh {
  from {
    border-color: rgba(226, 93, 84, 0.48);
    transform: translateY(3px);
  }
}

.contact-checklist {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-checklist li {
  position: relative;
  padding-left: 1.75rem;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.97rem;
  line-height: 1.55;
}

.contact-checklist li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.5em;
  width: 9px;
  height: 5px;
  border-left: 2px solid var(--teal);
  border-bottom: 2px solid var(--teal);
  transform: rotate(-45deg);
}

.contact-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.contact-options a {
  min-height: 56px;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--white);
  font-size: 0.94rem;
  font-weight: 660;
  text-decoration: none;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease;
}

.contact-options a b {
  color: var(--red-glow);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 750;
  letter-spacing: 0;
}

.contact-options a::after {
  content: "→";
  margin-left: auto;
  color: rgba(255, 255, 255, 0.55);
  transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1), color 180ms ease;
}

.contact-options a:hover {
  border-color: rgba(226, 93, 84, 0.55);
  background: rgba(181, 50, 43, 0.13);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.3);
  transform: translateY(-2px);
}

.contact-options a:hover::after {
  color: var(--red-glow);
  transform: translateX(4px);
}

.contact-link {
  width: fit-content;
  padding: 0.35rem 0;
  color: var(--white);
  font-size: 1.9rem;
  font-weight: 760;
  letter-spacing: 0;
  text-decoration-thickness: 0.07em;
  text-decoration-color: rgba(226, 93, 84, 0.65);
  text-underline-offset: 0.22em;
  transition:
    text-decoration-thickness 180ms ease,
    text-decoration-color 180ms ease;
}

.contact-link:hover,
.contact-link:focus-visible {
  text-decoration-thickness: 0.13em;
  text-decoration-color: var(--red-glow);
}

/* ------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------ */

.site-footer {
  position: relative;
  padding: clamp(3rem, 6vw, 4.2rem) 0 2rem;
  background: #090a07;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.93rem;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(226, 93, 84, 0.7) 0%,
    rgba(226, 93, 84, 0.25) 220px,
    rgba(255, 255, 255, 0.09) 380px,
    rgba(255, 255, 255, 0.09) 100%
  );
}

.footer-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) auto auto;
  gap: 2.5rem clamp(2.5rem, 6vw, 5.5rem);
  align-items: start;
}

.footer-brand .brand {
  color: var(--white);
}

.footer-brand p {
  max-width: 40ch;
  margin: 1.05rem 0 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.92rem;
}

.footer-brand p.footer-flag {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1.15rem;
  color: rgba(255, 255, 255, 0.38);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0;
}

.footer-flag::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(143, 196, 188, 0.75);
  box-shadow: 0 0 10px rgba(143, 196, 188, 0.45);
}

.footer-col {
  display: grid;
  gap: 0.55rem;
  align-content: start;
  justify-items: start;
}

.footer-col strong {
  margin-bottom: 0.4rem;
  color: rgba(255, 255, 255, 0.58);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.91rem;
  font-weight: 620;
  text-decoration: none;
  transition: color 160ms ease;
}

.footer-col a:hover {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 0.25em;
  text-decoration-color: var(--red-glow);
}

.footer-nav {
  counter-reset: fnav;
}

.footer-nav a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  counter-increment: fnav;
}

.footer-nav a::before {
  content: counter(fnav, decimal-leading-zero);
  color: rgba(226, 93, 84, 0.7);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 750;
  letter-spacing: 0;
}

.footer-contact span {
  max-width: 24ch;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.82rem;
  line-height: 1.6;
}

.footer-meta {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem 1.5rem;
  margin-top: 1.6rem;
  padding-top: 1.3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.56);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0;
}

.footer-meta p {
  margin: 0;
}

.footer-meta a {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
}

.footer-meta a:hover {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

/* ------------------------------------------------------------------
   Production 404
   ------------------------------------------------------------------ */

.error-page {
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(70% 70% at 78% 8%, rgba(143, 196, 188, 0.12), transparent 68%),
    radial-gradient(60% 70% at 0% 100%, rgba(181, 50, 43, 0.18), transparent 70%),
    var(--void);
  color: var(--white);
}

.error-page::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(80% 90% at 50% 45%, #000 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(80% 90% at 50% 45%, #000 20%, transparent 100%);
}

.error-shell {
  position: relative;
  z-index: 1;
  width: min(860px, calc(100% - 2.2rem));
  padding: clamp(1.5rem, 5vw, 4rem) 0;
}

.error-shell > .brand {
  margin-bottom: clamp(4rem, 10vw, 7rem);
}

.error-code {
  position: absolute;
  top: clamp(5rem, 10vw, 7rem);
  right: 0;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: rgba(255, 255, 255, 0.08);
  font-family: var(--mono);
  font-size: 7rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
  user-select: none;
}

.error-code i {
  width: 48px;
  height: 2px;
  background: var(--red-bright);
  box-shadow: 0 0 22px rgba(226, 93, 84, 0.55);
}

.error-shell .eyebrow {
  color: var(--red-glow);
}

.error-shell h1 {
  max-width: 760px;
  font-size: var(--fs-hero);
}

.error-copy {
  max-width: 620px;
  margin: 1.4rem 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 1.08rem;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.error-ref {
  margin: clamp(3.5rem, 9vw, 6rem) 0 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

@media (max-width: 560px) {
  .error-shell > .brand {
    margin-bottom: 4.5rem;
  }

  .error-code {
    top: 6.7rem;
    right: -0.5rem;
    font-size: 4.3rem;
  }

  .error-code i {
    width: 28px;
  }

  .error-shell h1 {
    font-size: 3.35rem;
  }

  .error-copy {
    font-size: 1rem;
  }

  .error-actions .button {
    width: 100%;
  }
}

/* ------------------------------------------------------------------
   Reveal on scroll
   Content is fully visible by default — no JS, delayed JS, print, and
   screenshots all render the complete page. JS only adds `.reveal-run`
   to elements that are still below the fold, which plays a one-shot
   entrance animation the moment they enter the viewport.
   ------------------------------------------------------------------ */

@media (prefers-reduced-motion: no-preference) {
  .reveal-run {
    animation: reveal-rise 620ms cubic-bezier(0.19, 1, 0.22, 1) both;
    animation-delay: var(--rd, 0ms);
  }
}

@keyframes reveal-rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
}

/* ------------------------------------------------------------------
   Keyframes
   ------------------------------------------------------------------ */

@keyframes scanline {
  0% {
    transform: translateY(-100%);
  }

  100% {
    transform: translateY(100%);
  }
}

@keyframes pulse-node {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.62;
  }

  50% {
    transform: scale(1.35);
    opacity: 1;
  }
}

@keyframes signal-sweep {
  0%,
  100% {
    opacity: 0.12;
    transform: translateX(-38%);
  }

  50% {
    opacity: 0.82;
    transform: translateX(38%);
  }
}

@keyframes meter-pulse {
  0%,
  100% {
    opacity: 0.55;
  }

  50% {
    opacity: 1;
  }
}

@keyframes flow-dash {
  to {
    stroke-dashoffset: -300;
  }
}

/* ------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------ */

@media (max-width: 1120px) {
  .button-header {
    padding: 0.45rem 0.85rem;
  }

  .signal-layout,
  .matrix-layout,
  .evidence-layout,
  .ai-layout {
    grid-template-columns: 1fr;
  }

  .signal-copy {
    max-width: 640px;
  }

  .matrix-copy,
  .evidence-copy {
    position: static;
    max-width: 640px;
  }

  .ai-copy {
    max-width: 640px;
  }
}

@media (max-width: 960px) {
  .two-column,
  .fit-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .section-heading-row {
    display: block;
  }

  .heading-meta {
    display: none;
  }

  .hero-baseline {
    grid-template-columns: 1fr;
  }

  .hero-lens {
    justify-items: start;
  }

  .hero-lens-label,
  .hero-lens-options {
    justify-content: flex-start;
  }

  .service-grid,
  .deliverable-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-card {
    min-height: 300px;
  }

  .deliverable-list button {
    min-height: 260px;
  }

  .deliverable-preview-body {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    max-width: none;
  }

  .coverage-body {
    grid-template-columns: 1fr;
  }

  .closure-rail {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .footer-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2.2rem 2rem;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  :root {
    --header-height: 64px;
  }

  .section {
    padding: 3.9rem 0;
  }

  .intro-section {
    padding-top: 3.4rem;
  }

  .site-header {
    padding: 0.6rem 1rem;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .hero {
    min-height: clamp(560px, 92svh, 800px);
    padding: calc(var(--header-height) + 3rem) 1.1rem 2.2rem;
  }

  .hero-baseline {
    margin-top: 2rem;
    padding-top: 1rem;
  }

  .hero-principles {
    gap: 0.6rem 1.2rem;
  }

  .hero-lens-options button {
    min-height: 42px;
    padding: 0.38rem 0.58rem;
  }

  /* map detail parks under the fade on small screens */
  .hero-map {
    opacity: 0.5;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(11, 12, 9, 0.5) 0%, rgba(11, 12, 9, 0.1) 30%, rgba(11, 12, 9, 0.05) 55%, var(--void) 99%),
      linear-gradient(90deg, rgba(11, 12, 9, 0.9) 0%, rgba(11, 12, 9, 0.66) 100%);
  }

  .hero-copy,
  .lede-stack,
  .contact-panel {
    font-size: 1rem;
  }

  .hero-actions {
    width: 100%;
  }

  .button {
    width: 100%;
  }

  .hero-baseline {
    gap: 0.75rem 1.6rem;
  }

  .signal-topbar {
    min-height: 0;
    flex-wrap: wrap;
    row-gap: 0.35rem;
    padding: 0.6rem 0.85rem;
  }

  .signal-route {
    display: none;
  }

  .signal-core {
    margin: 0.85rem 0.85rem 0;
    flex-wrap: wrap;
  }

  .signal-core-meter {
    display: none;
  }

  .signal-scene {
    display: none;
  }

  .signal-board {
    grid-template-columns: 1fr;
    row-gap: 0.85rem;
  }

  .signal-lane {
    min-height: 0;
    grid-template-rows: none;
  }

  .signal-lane.is-hot {
    margin-top: 0;
  }

  .signal-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem;
    padding: 0.75rem 0.85rem 0.85rem;
  }

  .signal-rail > strong {
    grid-column: 1 / -1;
    padding: 0 0 0.1rem;
  }

  .signal-rail span:hover,
  .signal-node:hover,
  .signal-list article:hover,
  .button:hover,
  .button-primary:hover,
  .contact-options a:hover {
    transform: none;
  }

  .service-grid,
  .deliverable-list,
  .signal-list,
  .contact-options {
    grid-template-columns: 1fr;
  }

  .service-card,
  .deliverable-list button {
    min-height: auto;
  }

  .has-js .deliverable-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .has-js .deliverable-list button {
    min-height: 156px;
    padding: 1rem;
  }

  .has-js .deliverable-list button p,
  .has-js .deliverable-list .deliverable-meta {
    display: none;
  }

  .has-js .deliverable-list .deliverable-icon {
    margin-bottom: 1rem;
  }

  .service-scope-inline {
    margin-left: 0;
  }

  .service-card-top {
    margin-bottom: 1.4rem;
  }

  .service-icon {
    width: 42px;
    height: 42px;
  }

  .deliverable-icon {
    margin-bottom: 1.1rem;
  }

  .deliverable-meta {
    padding-top: 1.1rem;
  }

  .deliverable-preview-head {
    flex-wrap: wrap;
  }

  .deliverable-preview-head em {
    width: 100%;
    margin-left: 0;
  }

  .deliverable-preview-copy h3 {
    font-size: 1.35rem;
  }

  .deliverable-preview-body {
    gap: 1.25rem;
    padding: 1.1rem;
  }

  /* matrix becomes a stack of lane cards */
  .matrix-panel {
    border: 0;
    border-radius: 0;
    background: none;
    box-shadow: none;
    overflow: visible;
  }

  .matrix-topbar {
    display: none;
  }

  .matrix-table {
    display: grid;
    gap: 0.9rem;
  }

  .matrix-header {
    display: none;
  }

  .matrix-row {
    display: block;
    min-height: 0;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-top: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: var(--radius-m);
    background: linear-gradient(180deg, rgba(38, 39, 30, 0.85), rgba(20, 21, 15, 0.85));
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.05),
      0 14px 30px rgba(0, 0, 0, 0.24);
    overflow: hidden;
  }

  .matrix-row:nth-child(even) {
    background: linear-gradient(180deg, rgba(38, 39, 30, 0.85), rgba(20, 21, 15, 0.85));
  }

  .matrix-row:not(.matrix-header):hover {
    background: linear-gradient(180deg, rgba(38, 39, 30, 0.85), rgba(20, 21, 15, 0.85));
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.05),
      0 14px 30px rgba(0, 0, 0, 0.24);
  }

  .matrix-row span {
    min-height: 0;
    display: grid;
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 0.9rem;
    align-items: start;
    padding: 0.62rem 1rem;
    border-left: 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.78);
  }

  .matrix-row span:not(:first-child) {
    border-top: 1px solid rgba(255, 255, 255, 0.07);
  }

  .matrix-row span:first-child {
    display: flex;
    align-items: center;
    padding: 0.8rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.045);
    font-size: 1rem;
  }

  .matrix-row span:not(:first-child)::before {
    color: rgba(255, 255, 255, 0.45);
    font-family: var(--mono);
    font-size: 0.62rem;
    font-weight: 750;
    letter-spacing: 0;
    text-transform: uppercase;
    padding-top: 0.24em;
  }

  .matrix-row span:nth-child(2)::before {
    content: "Surface";
  }

  .matrix-row span:nth-child(3)::before {
    content: "Validation";
  }

  .matrix-row span:nth-child(4)::before {
    content: "Evidence";
  }

  .service-split {
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }

  .ai-board {
    grid-template-columns: 1fr;
  }

  .ai-cross {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .ai-flow,
  .ai-cross {
    padding: 1rem 0.95rem 1.1rem;
  }

  /* coverage ledger becomes stacked cards */
  .ledger {
    padding: 0.75rem 0.85rem 0.85rem;
  }

  .ledger-row.ledger-head {
    display: none;
  }

  .ledger-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.15rem 0.9rem;
    padding: 0.7rem 0;
    min-height: 0;
  }

  .ledger-row span:first-child {
    grid-column: 1 / -1;
    padding: 0 0 0.35rem;
    font-size: 0.95rem;
  }

  .ledger-row span[role="cell"] {
    padding: 0.18rem 0;
    font-size: 0.68rem;
  }

  .ledger-row span[role="cell"]::before {
    content: attr(data-col);
    color: rgba(255, 255, 255, 0.38);
    font-size: 0.6rem;
    font-weight: 750;
    text-transform: uppercase;
    letter-spacing: 0;
  }

  .closure-rail,
  .coverage-ai {
    padding: 1rem 0.95rem 1.1rem;
  }

  .coverage-legend {
    padding: 0.8rem 0.95rem;
  }

  .coverage-legend em {
    margin-left: 0;
    width: 100%;
  }

  .coverage-points {
    grid-template-columns: 1fr;
    gap: 0.7rem;
    margin-top: 1.2rem;
  }

  .cred-grid {
    grid-template-columns: 1fr;
  }

  .cred-tile {
    min-height: 0;
    padding: 0.8rem 0.95rem;
  }

  .cred-badge {
    width: 48px;
    height: 48px;
  }

  .cred-badge img {
    width: 40px;
    height: 40px;
  }

  .cred-tile:hover {
    transform: none;
  }

  .chain-panel {
    grid-template-columns: 1fr;
  }

  .chain-panel span {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.75rem;
    min-height: 0;
    padding: 0.8rem 1.05rem;
    text-align: left;
  }

  .chain-panel span:not(:last-child)::after {
    right: auto;
    left: 17px;
    top: auto;
    bottom: -4px;
    margin-top: 0;
    transform: rotate(135deg);
  }

  .process-list::before {
    left: 7px;
  }

  .process-list li {
    max-width: none;
    padding: 0 0 1.7rem 2.5rem;
  }

  .process-list li::before {
    left: 2px;
    width: 11px;
    height: 11px;
    box-shadow: 0 0 0 4px var(--paper-2);
  }

  .fit-points p {
    padding-left: 2.5rem;
  }

  .contact-note {
    max-width: none;
  }

  .contact-panel-head {
    min-height: 0;
    flex-wrap: wrap;
    row-gap: 0.35rem;
    padding: 0.6rem 1rem;
  }

  .contact-panel-body {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .scope-actions {
    grid-template-columns: 1fr;
  }

  .scope-choices button {
    min-height: 42px;
  }

  .contact-options a {
    min-height: 52px;
  }

  .contact-link {
    font-size: 1.08rem;
  }

  .footer-layout {
    grid-template-columns: 1fr;
    gap: 2.1rem;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-meta {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 400px) {
  :root {
    --fs-hero: 3rem;
  }

  .signal-rail {
    grid-template-columns: 1fr;
  }

  .brand-name {
    font-size: 0.95rem;
  }
}

/* ------------------------------------------------------------------
   Reduced motion
   ------------------------------------------------------------------ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .hero::after,
  .signal-stage::after {
    animation: none;
    opacity: 0;
  }

  .signal-flow .flow-line {
    animation: none;
  }

  .signal-pulse {
    display: none;
  }

  .reveal-run {
    animation: none;
  }

  /* route renders complete immediately — the global rule above zeroes
     durations but not delays, so the final state is set explicitly */
  .hero-route path,
  .hero-route-tips path,
  .hero-route-dots circle,
  .hero-route-chip {
    animation: none;
    stroke-dashoffset: 0;
    opacity: 1;
  }
}

/* ------------------------------------------------------------------
   Print — readable, ink-light, artifact-style output
   ------------------------------------------------------------------ */

@media print {
  @page {
    margin: 1.4cm;
  }

  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #191813 !important;
    box-shadow: none !important;
    text-shadow: none !important;
    backdrop-filter: none !important;
  }

  body::after,
  .site-header,
  .skip-link,
  .hero-map,
  .hero::before,
  .hero::after,
  .signal-grid,
  .signal-legend,
  .signal-flow,
  .hero-actions,
  .nav-toggle {
    display: none !important;
  }

  body {
    line-height: 1.45;
  }

  .hero {
    min-height: 0;
    padding: 0.5cm 0 0;
  }

  h1 span {
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
  }

  .section,
  .signal-section,
  .contact-section {
    padding: 0.9cm 0;
  }

  .service-card,
  .cred-tile,
  .deliverable-list button,
  .signal-node,
  .signal-list article,
  .matrix-row,
  .ledger-row,
  .coverage-points article,
  .ai-node,
  .ai-cross-card,
  .process-list li,
  .contact-panel {
    border: 1px solid #cfcfc2 !important;
    break-inside: avoid;
  }

  h2,
  h3 {
    break-after: avoid;
  }

  a {
    text-decoration: underline;
  }

  .contact-link::after {
    content: "";
  }
}