@font-face {
  font-family: 'Source Serif';
  src: url('assets/fonts/sourceserif4-var.woff2') format('woff2');
  font-weight: 200 900;
  font-display: swap;
}
@font-face {
  font-family: 'Plex Sans';
  src: url('assets/fonts/plexsans-var.woff2') format('woff2');
  font-weight: 300 700;
  font-display: swap;
}
@font-face {
  font-family: 'Plex Mono';
  src: url('assets/fonts/plexmono-500.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}

:root {
  --ink: #0F1210;
  --paper: #E4E0D4;
  --muted: rgba(228, 224, 212, 0.62);
  --line: rgba(228, 224, 212, 0.16);
  --fade: 0;
  --smoke-opacity: 1;
  --line-a-opacity: 1;
  --line-b-opacity: 0;
  font-family: 'Plex Sans', system-ui, -apple-system, sans-serif;
  color: var(--paper);
  background: var(--ink);
}

* { box-sizing: border-box; }
html { min-height: 100%; scroll-behavior: smooth; background: var(--ink); }
body { min-height: 100%; margin: 0; overflow-x: clip; background: var(--ink); }
a { color: inherit; }
img { max-width: 100%; display: block; }
.site-shell { min-height: 100vh; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 30;
  display: grid; grid-template-columns: minmax(0,1fr) auto minmax(0,1fr); align-items: center;
  gap: 40px; padding: 26px 36px; color: rgba(228, 224, 212, 0.88);
}
.site-logo { justify-self: start; display: flex; align-items: center; gap: 10px; text-decoration: none; }
.site-logo img { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; }
.site-logo span {
  font-family: 'Plex Mono', monospace; font-size: 0.78rem; letter-spacing: 0.06em;
  color: rgba(228, 224, 212, 0.9); white-space: nowrap;
}
.site-nav { display: flex; gap: clamp(20px, 2.4vw, 40px); justify-self: center; }
.site-nav a {
  font-family: 'Plex Mono', monospace; font-size: 0.76rem; letter-spacing: 0.08em;
  text-transform: uppercase; text-decoration: none; color: rgba(228, 224, 212, 0.68);
}
.site-phone {
  justify-self: end; font-family: 'Plex Mono', monospace; font-size: 0.76rem;
  letter-spacing: 0.05em; text-decoration: none; color: rgba(228, 224, 212, 0.8);
  white-space: nowrap;
}

/* ---------- Hero ---------- */
.hero-scroll { position: relative; height: calc(100vh + 1400px); }
.hero {
  position: sticky; top: 0; height: 100vh; min-height: 420px; overflow: hidden;
}
.hero-photos { position: absolute; inset: 0; }
.hero-photo {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(0.25) contrast(1.05) brightness(1) sepia(0.03);
}
.hero-photo-a { opacity: 1; }
.hero-photo-b {
  opacity: var(--fade);
  filter: contrast(1.03) brightness(0.98) saturate(1.02);
}
.cloud-layer {
  position: absolute; inset: 0; z-index: 5; overflow: hidden;
  opacity: calc(var(--smoke-opacity) * 0.8);
  transition: opacity 400ms ease;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 24%, transparent 44%);
  mask-image: linear-gradient(180deg, #000 0%, #000 24%, transparent 44%);
}
.cloud-track {
  position: absolute; top: 0; left: 0; height: 100%; width: 3600px;
  display: flex; animation: cloudDrift 100s linear infinite;
}
.cloud-bank { position: relative; width: 1800px; height: 100%; flex: 0 0 1800px; }
.cloud-bank img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: blur(6px);
}
@keyframes cloudDrift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-1800px, 0, 0); }
}

.flame-flicker {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  opacity: calc(1 - var(--fade));
}
.flame-glow {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,170,80,0.85) 0%, rgba(255,120,40,0.4) 45%, rgba(255,120,40,0) 75%);
  mix-blend-mode: screen; filter: blur(4px);
  animation: flameFlicker 2.6s ease-in-out infinite;
}
.flame-glow.is-offscreen { animation: none; opacity: 0; }
.flame-glow-window {
  left: 53%; top: 80%; width: 40px; height: 160px; margin: -70px 0 0 0px;
  animation-duration: 2.6s;
}
.flame-glow-window2 {
  left: 55%; top: 75%; width: 45px; height: 160px; margin: 50px 0 0 -60px;
  animation-duration: 1.9s; animation-delay: -1.3s;
}
.flame-glow-door {
  left: 81%; top: 73%; width: 80px; height: 180px; margin: 10px 0 0 -25px;
  animation-duration: 3.1s; animation-delay: -0.7s;
}
@keyframes flameFlicker {
  0%   { opacity: 0.75; transform: scale(1); }
  18%  { opacity: 0.95; transform: scale(1.08); }
  34%  { opacity: 0.6;  transform: scale(0.94); }
  52%  { opacity: 1;    transform: scale(1.05); }
  68%  { opacity: 0.7;  transform: scale(0.97); }
  84%  { opacity: 0.9;  transform: scale(1.02); }
  100% { opacity: 0.75; transform: scale(1); }
}

.dawn-glow {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(90deg,
    rgba(8, 10, 8, 0.45) 0%,
    rgba(8, 10, 8, 0.22) 32%,
    rgba(8, 10, 8, 0) 62%);
}

.hero-scrim {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(10,12,10,0.35) 0%, rgba(10,12,10,0.1) 40%, rgba(10,12,10,0.7) 100%);
}
.hero-line {
  position: absolute; left: 8vw; top: 40%; transform: translateY(-50%);
  max-width: 620px; margin: 0;
  font-family: 'Source Serif', serif; font-weight: 400; font-size: clamp(1.7rem, 3.4vw, 2.7rem);
  line-height: 1.28; color: var(--paper); text-shadow: 0 2px 24px rgba(0,0,0,0.85), 0 1px 3px rgba(0,0,0,0.9);
  display: flex; flex-direction: column; gap: 10px;
  z-index: 6; position: relative;
}
.hero-line .line-a { opacity: var(--line-a-opacity); }
.hero-line .line-b { opacity: var(--line-b-opacity); color: rgba(228,224,212,0.86); }

.log {
  position: absolute; left: 8vw; top: 62%; z-index: 6;
  display: flex; align-items: baseline; gap: 14px;
  font-family: 'Plex Mono', monospace; font-size: 0.82rem; letter-spacing: 0.04em;
  padding: 12px 18px; border: 1px solid rgba(228,224,212,0.25); border-radius: 3px;
  background: rgba(8,10,8,0.6);
}
.log-label { color: rgba(228,224,212,0.45); font-size: 0.7rem; letter-spacing: 0.08em; }
.log-time { color: var(--paper); font-variant-numeric: tabular-nums; min-width: 6.5ch; }
.log-status {
  color: var(--log-color, #E4E0D4);
  font-weight: 500;
}

/* ---------- Stats band ---------- */
.stats-band {
  position: relative; padding: 14vh 8vw 8vh; border-top: 1px solid var(--line);
}
.stats-band .eyebrow {
  font-family: 'Plex Mono', monospace; font-size: 0.74rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: rgba(228, 224, 212, 0.5); margin: 0 0 16px;
}
.stats-band h2 {
  font-family: 'Source Serif', serif; font-weight: 400; font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  line-height: 1.26; margin: 0 0 8vh; color: var(--paper); max-width: 20ch;
}
.stats-inner {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
}
.stat {
  max-width: 34ch; padding: 0 36px; border-left: 1px solid var(--line);
  opacity: 0; transform: translateY(20px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.stat:first-child { border-left: none; padding-left: 0; }
.stat.is-visible { opacity: 1; transform: translateY(0); }
.stat:nth-child(2) { transition-delay: 100ms; }
.stat:nth-child(3) { transition-delay: 200ms; }
.stat-number {
  display: block; font-family: 'Source Serif', serif; font-weight: 400;
  font-size: clamp(2.4rem, 4.2vw, 3.2rem); color: rgb(240 185 74); line-height: 1;
  margin-bottom: 14px;
}
.stat-clock { font-variant-numeric: tabular-nums; }
@keyframes statFlash {
  0% { text-shadow: 0 0 0 rgba(240, 185, 74, 0); }
  35% { text-shadow: 0 0 26px rgba(240, 185, 74, 0.95); }
  100% { text-shadow: 0 0 0 rgba(240, 185, 74, 0); }
}
.stat-clock.is-flashing { animation: statFlash 700ms ease-out; }
.stat-label { margin: 0; font-size: 0.92rem; line-height: 1.5; color: var(--muted); }
.stats-source {
  margin: 8vh 0 0; font-family: 'Plex Mono', monospace; font-size: 0.68rem;
  letter-spacing: 0.04em; color: rgba(228, 224, 212, 0.35);
}

/* ---------- Reveal (pinned spine + scroll-linked systems visual) ---------- */
.reveal-scroll { position: relative; height: calc(100vh + 1800px); }
.reveal {
  position: sticky; top: 0; height: 100vh; min-height: 480px;
  padding: 0 8vw; display: flex; align-items: center; gap: 4vw;
}
.spine {
  position: absolute; top: 50%; left: 8vw; transform: translateY(-50%) rotate(180deg);
  writing-mode: vertical-rl; text-orientation: mixed;
  font-family: 'Plex Mono', monospace; font-size: 0.82rem; letter-spacing: 0.22em;
  color: rgba(228, 224, 212, 0.42);
}
.reveal-copy {
  flex: 1 1 480px; max-width: 560px; padding-left: 64px;
}
.reveal-copy .eyebrow {
  font-family: 'Plex Mono', monospace; font-size: 0.74rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: rgba(228, 224, 212, 0.5); margin: 0 0 16px;
}
.reveal-copy h2 {
  font-family: 'Source Serif', serif; font-weight: 400; font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  line-height: 1.26; margin: 0 0 18px; color: var(--paper);
}
.reveal-copy .body {
  font-size: 0.98rem; line-height: 1.55; color: var(--muted); margin: 0; max-width: 46ch;
}

.mechanism {
  list-style: none; margin: 22px 0 0; padding: 0; max-width: 46ch;
  display: flex; flex-direction: column; gap: 18px;
}
.mechanism li { opacity: 0; }
.mechanism-index {
  font-family: 'Plex Mono', monospace; font-size: 0.7rem; letter-spacing: 0.06em;
  color: rgba(228, 224, 212, 0.4); margin-right: 10px;
}
.mechanism-label {
  font-family: 'Plex Mono', monospace; font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: rgba(228, 224, 212, 0.78);
}
.mechanism li p {
  margin: 6px 0 0; font-size: 0.92rem; line-height: 1.52; color: var(--muted);
}
.systems-cta {
  display: inline-block; margin-top: 28px; opacity: 0;
}

.systems-visual { flex: 1 1 420px; display: flex; justify-content: center; }
.systems-frame {
  position: relative; margin: 0; width: min(44vw, 440px); height: min(58vh, 480px);
  border-radius: 2px; overflow: hidden;
  box-shadow: 0 40px 80px -30px rgba(0,0,0,0.6);
}
.systems-photo {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.85) brightness(0.94);
}
.systems-photo-blueprint { opacity: 1; }
.systems-photo-real { opacity: 0; }
.signal-svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.signal-line {
  stroke: rgb(var(--line-rgb, 240 185 74)); stroke-width: 1.5; fill: none;
  stroke-linecap: round; opacity: 0;
}
.node {
  position: absolute; width: 10px; height: 10px; margin: -5px 0 0 -5px;
  border-radius: 50%; background: rgb(var(--node-rgb, 240 185 74));
  opacity: 0; pointer-events: none;
}
/* Detection is the one thing that never stops running — a continuous pulse
   and radar ping distinguish "always watching" from suppression/
   notification, which settle to a steady, unanimated glow once fired. Colors
   are set inline per node (--node-rgb) to match the hero log's stage colors. */
.node[data-key="detection"] {
  animation: nodePulse 2.4s ease-in-out infinite;
}
@keyframes nodePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgb(var(--node-rgb, 240 185 74) / 0.55); }
  50% { box-shadow: 0 0 0 7px rgb(var(--node-rgb, 240 185 74) / 0); }
}
.node[data-key="detection"]::after {
  content: '';
  position: absolute; inset: -5px; border-radius: 50%;
  border: 1px solid rgb(var(--node-rgb, 240 185 74) / 0.65);
  animation: radarPing 2.6s ease-out infinite;
}
@keyframes radarPing {
  0% { transform: scale(0.7); opacity: 0.9; }
  100% { transform: scale(2.8); opacity: 0; }
}
.systems-frame figcaption {
  position: absolute; left: 16px; bottom: 14px; z-index: 2;
  font-family: 'Plex Mono', monospace; font-size: 0.7rem; letter-spacing: 0.06em;
  color: rgba(228, 224, 212, 0.75); text-shadow: 0 2px 10px rgba(0,0,0,0.6);
}

/* ---------- Services ---------- */
.services {
  position: relative; padding: 16vh 8vw; border-top: 1px solid var(--line);
}
.services-inner { max-width: 900px; }
.services .eyebrow {
  font-family: 'Plex Mono', monospace; font-size: 0.74rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: rgba(228, 224, 212, 0.5); margin: 0 0 16px;
}
.services h2 {
  font-family: 'Source Serif', serif; font-weight: 400; font-size: clamp(1.6rem, 2.8vw, 2.3rem);
  line-height: 1.26; margin: 0 0 18px; color: var(--paper); max-width: 20ch;
}
.services .body {
  font-size: 1rem; line-height: 1.6; color: var(--muted); margin: 0 0 8vh; max-width: 60ch;
}
.services-group { margin-bottom: 7vh; }
.services-group:last-of-type { margin-bottom: 0; }
.services-group-label {
  font-family: 'Plex Mono', monospace; font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: rgba(228, 224, 212, 0.42);
  margin: 0 0 20px; padding-bottom: 14px; border-bottom: 1px solid var(--line);
}
.services-photo {
  position: relative; margin: 0 0 32px; border-radius: 2px; overflow: hidden;
  box-shadow: 0 30px 60px -24px rgba(0,0,0,0.6);
}
.spray-glow {
  position: absolute; width: 30px; height: 112px; margin: 0 0 0 -15px;
  clip-path: polygon(46% 0%, 54% 0%, 100% 100%, 0% 100%);
  background: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(220,235,255,0.55) 55%, rgba(200,220,255,0) 100%);
  mix-blend-mode: screen;
  animation: sprayShimmer 1s ease-in-out infinite;
  pointer-events: none;
}
@keyframes sprayShimmer {
  0%, 100% { opacity: 0.3; filter: blur(3px) brightness(1); }
  50% { opacity: 1; filter: blur(1.5px) brightness(1.5); }
}
.services-photo img {
  width: 100%; height: min(34vh, 340px); object-fit: cover;
  filter: saturate(0.85) brightness(0.94);
}
.services-photo-security img {
  object-position: 50% 20%;
}
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 32px;
}
.service-block {
  border-top: 1px solid var(--line); padding-top: 20px;
  opacity: 0; transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.service-block.is-visible { opacity: 1; transform: translateY(0); }
.service-block:nth-child(2) { transition-delay: 80ms; }
.service-block:nth-child(3) { transition-delay: 160ms; }
.service-icon {
  width: 26px; height: 26px; margin-bottom: 16px;
  color: rgba(228, 224, 212, 0.7);
}
.service-index {
  font-family: 'Plex Mono', monospace; font-size: 0.7rem; letter-spacing: 0.06em;
  color: rgba(228, 224, 212, 0.4); display: block; margin-bottom: 10px;
}
.service-block h3 {
  font-family: 'Plex Sans', sans-serif; font-weight: 600; font-size: 1.02rem;
  margin: 0 0 10px; color: var(--paper);
}
.service-block p {
  font-size: 0.92rem; line-height: 1.55; color: var(--muted); margin: 0;
}
.services-industries {
  margin: 8vh 0 0; padding-top: 28px; border-top: 1px solid var(--line);
  font-size: 0.95rem; line-height: 1.6; color: var(--muted); max-width: 60ch;
}
.services-industries strong { color: var(--paper); font-weight: 600; }
.services-cta { display: inline-block; margin-top: 32px; }

/* ---------- Closing ---------- */
.closing {
  position: relative; padding: 18vh 8vw 16vh; border-top: 1px solid var(--line);
  display: flex; align-items: center; gap: 6vw;
}
.closing-inner {
  flex: 1 1 480px; max-width: 560px;
  opacity: 0; transform: translateY(30px);
  transition: opacity 800ms ease, transform 800ms ease;
}
.closing-inner.is-visible { opacity: 1; transform: translateY(0); }
.closing-visual {
  flex: 1 1 380px; margin: 0; align-self: stretch;
  opacity: 0; transform: translateY(30px);
  transition: opacity 800ms ease 120ms, transform 800ms ease 120ms;
}
.closing-visual.is-visible { opacity: 1; transform: translateY(0); }
.closing-visual img {
  width: 100%; height: 100%; min-height: 340px; object-fit: cover;
  border-radius: 2px; filter: saturate(0.85) brightness(0.94);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,0.6);
}
.closing .eyebrow {
  font-family: 'Plex Mono', monospace; font-size: 0.74rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: rgba(228, 224, 212, 0.5); margin: 0 0 18px;
}
.closing h2 {
  font-family: 'Source Serif', serif; font-weight: 400; font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.24; margin: 0 0 22px; color: var(--paper);
}
.closing .body {
  font-size: 1.02rem; line-height: 1.6; color: var(--muted); margin: 0 0 34px; max-width: 52ch;
}
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.tags span {
  font-family: 'Plex Mono', monospace; font-size: 0.72rem; letter-spacing: 0.04em;
  padding: 9px 16px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted);
}
.differentiators {
  list-style: none; margin: 0 0 32px; padding: 0;
  display: flex; flex-direction: column; gap: 16px; max-width: 52ch;
}
.differentiators li {
  font-size: 0.94rem; line-height: 1.55; color: var(--muted);
  padding-left: 20px; position: relative;
}
.differentiators li::before {
  content: '\2013'; position: absolute; left: 0; color: rgba(228, 224, 212, 0.4);
}
.differentiators li strong { color: var(--paper); font-weight: 600; }
.certs { display: flex; flex-wrap: wrap; gap: 10px 24px; margin: 0 0 32px; }
.cert {
  font-family: 'Plex Mono', monospace; font-size: 0.68rem; letter-spacing: 0.05em;
  color: rgba(228, 224, 212, 0.5);
}
.cert::before { content: '\2713'; margin-right: 7px; color: rgba(228, 224, 212, 0.4); }
/* ---------- Partners ---------- */
.partners-section {
  position: relative; padding: 14vh 8vw; border-top: 1px solid var(--line);
}
.partners-inner { max-width: 640px; }
.partners-section .eyebrow {
  font-family: 'Plex Mono', monospace; font-size: 0.74rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: rgba(228, 224, 212, 0.5); margin: 0 0 16px;
}
.partners-section h2 {
  font-family: 'Source Serif', serif; font-weight: 400; font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  line-height: 1.26; margin: 0 0 16px; color: var(--paper);
}
.partners-section .body {
  font-size: 0.98rem; line-height: 1.6; color: var(--muted); margin: 0 0 6vh; max-width: 52ch;
}
.partner-logos-row { display: flex; flex-wrap: wrap; gap: 16px; }
.partner-logo {
  display: inline-flex; align-items: center; justify-content: center;
  height: 64px; padding: 10px 26px; background: var(--paper); border-radius: 3px;
  opacity: 0; transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.partner-logo.is-visible { opacity: 1; transform: translateY(0); }
.partner-logo:nth-child(2) { transition-delay: 60ms; }
.partner-logo:nth-child(3) { transition-delay: 120ms; }
.partner-logo:nth-child(4) { transition-delay: 180ms; }
.partner-logo:nth-child(5) { transition-delay: 240ms; }
.partner-logo img { max-height: 100%; max-width: 150px; width: auto; height: auto; object-fit: contain; display: block; }
.cta {
  display: inline-block; text-decoration: none; color: var(--ink); background: var(--paper);
  font-family: 'Plex Sans', sans-serif; font-weight: 600; font-size: 0.94rem;
  padding: 14px 28px; border-radius: 2px;
}
.contact-form {
  display: flex; flex-direction: column; gap: 16px; max-width: 420px; margin: 0 0 8px;
}
.contact-form .eyebrow { margin: 0 0 4px; }
.form-row { display: flex; gap: 14px; }
.contact-form label {
  display: flex; flex-direction: column; gap: 6px; flex: 1; margin: 0; min-width: 0;
}
.contact-form label span {
  font-family: 'Plex Mono', monospace; font-size: 0.68rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: rgba(228, 224, 212, 0.45);
}
.contact-form input, .contact-form textarea {
  font-family: 'Plex Sans', sans-serif; font-size: 0.94rem; color: var(--paper);
  background: rgba(228, 224, 212, 0.04); border: 1px solid var(--line); border-radius: 2px;
  padding: 10px 12px; resize: vertical; width: 100%;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: rgba(228, 224, 212, 0.45);
}
.contact-form button.cta {
  align-self: flex-start; border: none; cursor: pointer; margin-top: 4px;
}
.contact-form button.cta:disabled { opacity: 0.6; cursor: default; }
.form-status {
  margin: 0; font-family: 'Plex Mono', monospace; font-size: 0.76rem; letter-spacing: 0.03em;
  color: rgba(228, 224, 212, 0.6);
}
.form-status.is-success { color: #7FE0A8; }
.form-status.is-error { color: #E8735A; }
.contact-info {
  display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 24px;
  font-family: 'Plex Mono', monospace; font-size: 0.76rem; letter-spacing: 0.03em;
  color: rgba(228, 224, 212, 0.5);
}
.contact-info a { text-decoration: none; color: rgba(228, 224, 212, 0.65); }
.contact-info a:hover { color: var(--paper); }

/* ---------- Contact section ---------- */
.contact-section {
  position: relative; padding: 16vh 8vw 18vh; border-top: 1px solid var(--line);
  display: flex; align-items: flex-start; flex-wrap: wrap; gap: 6vw;
}
.contact-section-inner { flex: 1 1 420px; max-width: 480px; }
.contact-section .eyebrow {
  font-family: 'Plex Mono', monospace; font-size: 0.74rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: rgba(228, 224, 212, 0.5); margin: 0 0 16px;
}
.contact-section h2 {
  font-family: 'Source Serif', serif; font-weight: 400; font-size: clamp(1.6rem, 2.8vw, 2.3rem);
  line-height: 1.26; margin: 0 0 18px; color: var(--paper);
}
.contact-section .body {
  font-size: 1rem; line-height: 1.6; color: var(--muted); margin: 0 0 6vh; max-width: 52ch;
}
.testimonials {
  flex: 1 1 320px; max-width: 420px; margin-top: 6vh;
  display: flex; flex-direction: column; gap: 32px;
}
.testimonial {
  margin: 0; padding: 2px 0 2px 18px; border-left: 2px solid var(--line);
}
.testimonial p {
  font-family: 'Source Serif', serif; font-style: italic; font-size: 1.05rem;
  line-height: 1.55; color: var(--paper); margin: 0 0 10px;
}
.testimonial cite {
  font-family: 'Plex Mono', monospace; font-size: 0.7rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: rgba(228, 224, 212, 0.5); font-style: normal;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-line { left: 6vw; max-width: 80vw; }

  .stats-band { padding: 10vh 6vw 5vh; }
  .stats-band h2 { margin-bottom: 5vh; }
  .stats-inner { grid-template-columns: 1fr; gap: 28px; }
  .stat {
    padding: 20px 0 0; border-left: none; border-top: 1px solid var(--line);
  }
  .stat:first-child { padding-top: 0; border-top: none; }

  .services { padding: 12vh 6vw; }
  .partners-section { padding: 10vh 6vw; }
  .services-group { margin-bottom: 6vh; }
  .services-photo img { height: min(28vh, 240px); }
  .services-grid { grid-template-columns: 1fr; gap: 28px; }

  /* Below this width the scroll-scrubbed signal animation has no room to
     breathe alongside the text, so it's replaced with a simple static
     reveal: full mechanism copy up front, final "resolved" visual state. */
  .reveal-scroll { height: auto; }
  .reveal {
    position: static; height: auto; min-height: 0;
    flex-direction: column; align-items: flex-start;
    padding: 10vh 6vw;
  }
  .spine { display: none; }
  .reveal-copy { padding-left: 0; max-width: 100%; }
  .mechanism li { opacity: 1; }
  .systems-cta { opacity: 1; }
  .systems-visual { width: 100%; margin-top: 6vh; }
  .systems-frame { width: 100%; height: 60vh; max-height: 420px; }
  .systems-photo-blueprint { opacity: 1; }
  .systems-photo-real { opacity: 0; }
  .signal-line, .node { opacity: 1; }

  .closing { flex-direction: column; align-items: stretch; gap: 6vh; }
  .closing-inner { max-width: 100%; }
  .closing-visual img { min-height: 280px; }
  .contact-section { padding: 12vh 6vw 14vh; flex-direction: column; gap: 6vh; }
  .testimonials { margin-top: 0; max-width: 100%; }
}
@media (max-width: 640px) {
  .site-header { grid-template-columns: 1fr auto; padding: 20px; gap: 12px; }
  .site-nav { display: none; }
  .site-logo span { display: none; }
  .hero-line { font-size: 1.5rem; top: 36%; }
  .log { top: 58%; left: 6vw; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .closing-inner { transition: none; }
  .service-block { transition: none; }
  .partner-logo { transition: none; }
  .stat { transition: none; }
  .stat-clock.is-flashing { animation: none; }
  .cloud-track { animation: none; }
  .flame-glow { animation: none; }
  .spray-glow { animation: none; opacity: 0.7; }
  .node { animation: none; }
  .node[data-key="detection"] { animation: none; }
  .node[data-key="detection"]::after { animation: none; }
}