:root {
  color-scheme: dark;
  --black: #050506;
  --ink: #09090a;
  --panel: #0f0f11;
  --panel-raised: #151517;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.22);
  --white: #f7f7f3;
  --muted: #aaa9a3;
  --accent: #ff4500;
  --accent-bright: #ff6a32;
  --accent-soft: rgba(255, 69, 0, 0.14);
  --success: #8dfca4;
  --shell: min(1180px, calc(100vw - 40px));
  --radius: 4px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--black);
}

body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body.menu-open { overflow: hidden; }

button,
input,
select,
textarea { font: inherit; }

button,
a { -webkit-tap-highlight-color: transparent; }

a { color: inherit; }

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

.shell { width: var(--shell); margin-inline: auto; }

.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;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  transform: translateY(-150%);
  background: var(--white);
  color: var(--black);
  padding: 10px 14px;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease;
}

.site-header.scrolled {
  background: rgba(5, 5, 6, 0.84);
  border-color: var(--line);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.19em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.primary-nav > a:not(.button) {
  color: #d4d3ce;
  text-decoration: none;
  font-size: 14px;
  transition: color 160ms ease;
}

.primary-nav > a:not(.button):hover,
.primary-nav > a:not(.button):focus-visible { color: var(--white); }

.menu-toggle { display: none; }

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 750;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover,
.button:focus-visible {
  background: var(--accent-bright);
  border-color: var(--accent-bright);
  transform: translateY(-1px);
}

.button-small { min-height: 40px; padding-inline: 16px; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  text-decoration-color: rgba(255, 255, 255, 0.38);
  text-underline-offset: 5px;
}

.text-link span { color: var(--accent); }

.eyebrow {
  margin: 0 0 15px;
  color: var(--accent-bright);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  display: inline-block;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px var(--accent-soft);
}

.hero {
  position: relative;
  min-height: 780px;
  padding: 165px 0 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 74% 25%, rgba(255, 69, 0, 0.12), transparent 30%),
    linear-gradient(180deg, #080809 0%, #050506 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.23;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 87%);
}

.hero-glow {
  position: absolute;
  width: 620px;
  height: 620px;
  right: -280px;
  top: 60px;
  border: 1px solid rgba(255, 69, 0, 0.2);
  border-radius: 50%;
  box-shadow: 0 0 140px rgba(255, 69, 0, 0.12);
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(410px, 0.94fr);
  align-items: center;
  gap: 76px;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(54px, 7vw, 94px);
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.hero h1 span { color: var(--accent); }

.hero-lede {
  max-width: 680px;
  margin: 30px 0 0;
  color: #c2c1bc;
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 34px;
}

.hero-note {
  max-width: 650px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.hero-note p { margin: 0; }
.hero-note strong { color: var(--white); }

.signal {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: #ffb08f;
  box-shadow: 0 0 0 5px rgba(255, 69, 0, 0.12);
}

.shield-console {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(28, 28, 31, 0.96), rgba(10, 10, 11, 0.95));
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.48);
  overflow: hidden;
}

.shield-console::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.04), transparent 66%);
}

.console-topbar,
.form-header {
  min-height: 51px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 20px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.console-live { color: var(--success); }
.console-live i {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 10px var(--success);
}

.shield-stage {
  position: relative;
  height: 260px;
  display: grid;
  place-items: center;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.11) 1px, transparent 1.5px);
  background-size: 22px 22px;
}

.shield-shape {
  position: relative;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 122px;
  height: 122px;
  border: 1px solid rgba(255, 69, 0, 0.62);
  border-radius: 50%;
  background: #0d0d0f;
  box-shadow: 0 0 60px rgba(255, 69, 0, 0.22);
}

.orbit {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  animation: orbit-spin 14s linear infinite;
}

.orbit-one { width: 185px; height: 185px; }
.orbit-two { width: 235px; height: 235px; animation-direction: reverse; animation-duration: 21s; }
.orbit i {
  position: absolute;
  left: 50%;
  top: -4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
}

@keyframes orbit-spin { to { transform: rotate(360deg); } }

.session-path {
  display: grid;
  grid-template-columns: 1fr 24px 1fr 24px 1fr;
  align-items: center;
  padding: 18px 20px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.session-path div { min-width: 0; }
.session-path span,
.console-metrics span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.session-path strong {
  display: block;
  margin-top: 3px;
  font-size: 11px;
  white-space: nowrap;
}
.session-path b { height: 1px; background: linear-gradient(90deg, var(--accent), transparent); }

.console-metrics { display: grid; grid-template-columns: repeat(3, 1fr); }
.console-metrics div { padding: 16px 18px 18px; border-right: 1px solid var(--line); }
.console-metrics div:last-child { border-right: 0; }
.console-metrics strong { display: block; margin-top: 5px; font-size: 12px; }

.audience-strip {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.8fr repeat(4, 1fr);
  gap: 20px;
  align-items: center;
  margin-top: 95px;
  min-height: 84px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.audience-strip strong { color: #deddd7; font-weight: 650; }

.section { padding: 118px 0; }

.section-heading { max-width: 760px; margin-bottom: 55px; }
.section-heading h2,
.pilot-copy h2 {
  margin: 0;
  font-size: clamp(38px, 5vw, 61px);
  line-height: 1.05;
  letter-spacing: -0.045em;
}
.section-heading > p:last-child,
.split-heading > p {
  color: var(--muted);
  font-size: 18px;
}

.split-heading {
  max-width: none;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: end;
  gap: 80px;
}
.split-heading > p { margin: 0; }

.threat-section { background: var(--ink); }
.threat-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.threat-card {
  position: relative;
  min-height: 410px;
  padding: 34px;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.025), transparent);
}
.threat-card:last-child { border-right: 0; }
.card-index { color: var(--muted); font-family: ui-monospace, monospace; font-size: 11px; }
.icon-frame {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  margin: 56px 0 35px;
  border: 1px solid var(--line-strong);
  background: var(--black);
  transform: rotate(45deg);
}
.icon-frame > span { width: 28px; height: 28px; display: block; transform: rotate(-45deg); }
.icon-quantum { border: 1px solid var(--accent); border-radius: 50%; box-shadow: inset 0 0 0 7px var(--black), inset 0 0 0 8px rgba(255,69,0,.45); }
.icon-traffic { background: linear-gradient(90deg, transparent 0 15%, var(--accent) 15% 21%, transparent 21% 44%, var(--accent) 44% 56%, transparent 56% 79%, var(--accent) 79% 85%, transparent 85%); }
.icon-trust { border: 2px solid var(--accent); clip-path: polygon(50% 0, 100% 19%, 90% 74%, 50% 100%, 10% 74%, 0 19%); }
.threat-card h3 { margin: 0 0 14px; font-size: 24px; letter-spacing: -0.025em; }
.threat-card p { margin: 0; color: var(--muted); font-size: 15px; }
.card-label { position: absolute; bottom: 30px; left: 34px; color: var(--accent-bright); font-family: ui-monospace, monospace; font-size: 11px; text-transform: uppercase; }

.pillars-section { background: var(--black); }
.section-kicker {
  display: flex;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--muted);
  font-family: ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.pillar-row {
  display: grid;
  grid-template-columns: 80px 1.1fr 0.9fr;
  gap: 40px;
  align-items: start;
  padding: 46px 0;
  border-bottom: 1px solid var(--line);
}
.pillar-number { color: var(--accent); font-family: ui-monospace, monospace; }
.pillar-row h3 { max-width: 570px; margin: 0; font-size: clamp(27px, 3vw, 40px); line-height: 1.13; letter-spacing: -0.035em; }
.pillar-row > p { margin: 28px 0 0; color: var(--muted); }

.architecture-section { background: #0b0b0c; }
.architecture-panel { border: 1px solid var(--line-strong); background: var(--panel); }
.architecture-tabs { display: grid; grid-template-columns: repeat(5, 1fr); border-bottom: 1px solid var(--line-strong); }
.architecture-tabs button {
  min-height: 82px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  text-align: left;
  padding: 0 20px;
  transition: color 160ms ease, background 160ms ease;
}
.architecture-tabs button:last-child { border-right: 0; }
.architecture-tabs button span { display: block; margin-bottom: 3px; color: #6f6e69; font-family: ui-monospace, monospace; font-size: 10px; }
.architecture-tabs button[aria-selected="true"] { color: var(--white); background: var(--accent-soft); box-shadow: inset 0 -2px var(--accent); }
.architecture-tabs button[aria-selected="true"] span { color: var(--accent-bright); }
.architecture-content {
  min-height: 420px;
  display: grid;
  grid-template-columns: 1.05fr 0.8fr;
  gap: 60px;
  align-items: start;
  padding: 58px;
}
.architecture-content h3 { max-width: 580px; margin: 0 0 20px; font-size: clamp(32px, 4vw, 49px); line-height: 1.1; letter-spacing: -0.04em; }
.architecture-content p:not(.eyebrow) { color: var(--muted); font-size: 17px; }
.feature-list { align-self: center; margin: 24px 0 0; padding: 0; list-style: none; }
.feature-list li { position: relative; padding: 16px 0 16px 26px; border-bottom: 1px solid var(--line); color: #d4d3ce; }
.feature-list li::before { content: ""; position: absolute; left: 0; top: 24px; width: 7px; height: 7px; background: var(--accent); transform: rotate(45deg); }
.architecture-visual { grid-column: 1 / -1; padding-top: 25px; }
.layer-map { display: grid; grid-template-columns: auto 1fr auto 1fr auto 1fr auto 1fr auto; align-items: center; gap: 10px; }
.layer-map span { color: #73726e; font-family: ui-monospace, monospace; font-size: 10px; letter-spacing: .04em; text-transform: uppercase; }
.layer-map span.active { color: var(--white); }
.layer-map i { height: 1px; background: var(--line-strong); }

.foundations-section { background: var(--black); }
.foundations-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; align-items: start; }
.foundation-list { border-top: 1px solid var(--line-strong); }
.foundation-list div { display: flex; justify-content: space-between; gap: 30px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.foundation-list span { color: var(--muted); }
.foundation-list strong { text-align: right; }

.assurance-section { position: relative; background: #f0f0ea; color: #111113; }
.assurance-section .eyebrow { color: #c93900; }
.assurance-section .section-heading > p:last-child,
.assurance-section .split-heading > p { color: #5d5c58; }
.assurance-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #b6b6ae; border-left: 1px solid #b6b6ae; }
.assurance-card { min-height: 300px; padding: 28px; border-right: 1px solid #b6b6ae; border-bottom: 1px solid #b6b6ae; }
.assurance-card > span { color: #c93900; font-family: ui-monospace, monospace; font-size: 11px; }
.assurance-card h3 { margin: 86px 0 15px; font-size: 22px; line-height: 1.15; }
.assurance-card p { margin: 0; color: #66655f; font-size: 14px; }

.deployment-section { background: var(--black); }
.deployment-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.deployment-card { min-height: 430px; padding: 34px; border: 1px solid var(--line); background: var(--panel); }
.deployment-card.featured { border-color: rgba(255, 69, 0, 0.75); background: linear-gradient(180deg, rgba(255, 69, 0, 0.09), var(--panel) 45%); }
.deployment-tag { color: var(--accent-bright); font-family: ui-monospace, monospace; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.deployment-card h3 { margin: 74px 0 18px; font-size: 27px; }
.deployment-card > p:not(.deployment-tag) { color: var(--muted); }
.deployment-card ul { margin: 28px 0 0; padding: 22px 0 0; border-top: 1px solid var(--line); list-style: none; }
.deployment-card li { position: relative; margin: 9px 0; padding-left: 18px; color: #cdccc6; font-size: 14px; }
.deployment-card li::before { content: "+"; position: absolute; left: 0; color: var(--accent); }

.roadmap-section { background: #0b0b0c; }
.roadmap-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 100px; align-items: start; }
.roadmap { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-strong); }
.roadmap li { display: grid; grid-template-columns: 50px 1fr; gap: 22px; padding: 25px 0; border-bottom: 1px solid var(--line); }
.roadmap li > span { color: var(--accent); font-family: ui-monospace, monospace; font-size: 11px; }
.roadmap strong { font-size: 18px; }
.roadmap p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }

.pilot-section { position: relative; background: var(--black); overflow: hidden; }
.pilot-section::before { content: ""; position: absolute; width: 650px; height: 650px; left: -420px; top: 0; border: 1px solid rgba(255,69,0,.22); border-radius: 50%; box-shadow: 0 0 120px rgba(255,69,0,.08); }
.pilot-layout { position: relative; display: grid; grid-template-columns: .82fr 1.18fr; gap: 100px; align-items: start; }
.pilot-copy > p:not(.eyebrow) { color: var(--muted); font-size: 18px; }
.pilot-points { margin-top: 44px; border-top: 1px solid var(--line); }
.pilot-points div { display: grid; grid-template-columns: 34px 1fr; gap: 16px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.pilot-points span { color: var(--accent); font-family: ui-monospace, monospace; font-size: 10px; }
.pilot-points p { margin: 0; color: var(--muted); font-size: 13px; }
.pilot-points strong { color: var(--white); }

.pilot-form { padding: 0 34px 34px; border: 1px solid var(--line-strong); background: var(--panel); }
.form-header { margin: 0 -34px 30px; }
.field { margin-bottom: 20px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { display: flex; justify-content: space-between; margin-bottom: 7px; color: #d6d5d0; font-size: 13px; }
.field label span { color: #777671; }
.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  outline: none;
  background: #09090a;
  color: var(--white);
  padding: 13px 14px;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field input[aria-invalid="true"],
.field select[aria-invalid="true"] { border-color: #ff8b5e; }
.field small,
.consent-error { display: block; min-height: 17px; margin-top: 4px; color: #ff9b74; font-size: 11px; }
.honeypot { position: absolute; left: -10000px; }
.consent { display: grid; grid-template-columns: 18px 1fr; gap: 10px; align-items: start; color: var(--muted); font-size: 12px; }
.consent input { margin-top: 4px; accent-color: var(--accent); }
.consent a { color: var(--white); }
.submit-button { width: 100%; margin-top: 13px; }
.submit-button[disabled] { opacity: .6; cursor: wait; }
.form-status { min-height: 24px; margin: 13px 0 0; color: var(--success); font-size: 13px; }
.form-status.error { color: #ff9b74; }

.site-footer { padding: 64px 0 25px; border-top: 1px solid var(--line); background: #050506; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.footer-brand { margin-bottom: 18px; }
.footer-grid > div > p { color: var(--muted); font-size: 13px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.footer-links div { display: flex; flex-direction: column; gap: 9px; }
.footer-links strong { margin-bottom: 7px; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.footer-links a { color: var(--muted); font-size: 13px; text-decoration: none; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 55px; padding-top: 20px; border-top: 1px solid var(--line); color: #777671; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; }

.legal-page { min-height: 100vh; padding: 150px 0 100px; background: var(--ink); }
.legal-document { max-width: 800px; }
.legal-document h1 { margin: 0 0 24px; font-size: clamp(42px, 7vw, 76px); letter-spacing: -.05em; }
.legal-document h2 { margin-top: 46px; font-size: 25px; }
.legal-document p,
.legal-document li { color: #b7b6b0; }
.legal-document .updated { padding-bottom: 24px; border-bottom: 1px solid var(--line); font-family: ui-monospace, monospace; font-size: 12px; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 600ms ease, transform 600ms ease; }
.js .reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1040px) {
  .hero-layout { grid-template-columns: 1fr; gap: 60px; }
  .hero-copy { max-width: 820px; }
  .shield-console { width: min(690px, 100%); }
  .hero { padding-top: 145px; }
  .audience-strip { margin-top: 70px; grid-template-columns: repeat(2, 1fr); padding: 22px 0; }
  .audience-strip > span { grid-column: 1 / -1; }
  .threat-grid { grid-template-columns: 1fr; }
  .threat-card { min-height: 320px; border-right: 0; border-bottom: 1px solid var(--line); }
  .threat-card:last-child { border-bottom: 0; }
  .icon-frame { margin: 36px 0 30px; }
  .pillar-row { grid-template-columns: 60px 1fr; }
  .pillar-row > p { grid-column: 2; margin-top: 0; }
  .assurance-grid { grid-template-columns: repeat(2, 1fr); }
  .foundations-layout,
  .roadmap-layout,
  .pilot-layout { grid-template-columns: 1fr; gap: 55px; }
}

@media (max-width: 780px) {
  :root { --shell: min(100% - 28px, 680px); }
  .header-inner { min-height: 68px; }
  .menu-toggle {
    width: 42px;
    height: 42px;
    display: grid;
    place-content: center;
    gap: 6px;
    border: 1px solid var(--line-strong);
    background: var(--panel);
  }
  .menu-toggle span:not(.sr-only) { width: 18px; height: 1px; display: block; background: var(--white); transition: transform 160ms ease; }
  .menu-toggle[aria-expanded="true"] span:nth-last-child(2) { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .primary-nav {
    position: fixed;
    inset: 68px 0 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 28px var(--shell);
    background: rgba(5,5,6,.98);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 200ms ease, visibility 200ms;
  }
  .primary-nav.open { transform: translateX(0); visibility: visible; }
  .primary-nav > a:not(.button) { padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 18px; }
  .primary-nav .button { margin-top: 24px; }
  .hero { min-height: auto; padding-top: 125px; }
  .hero h1 { font-size: clamp(49px, 15vw, 72px); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .shield-stage { height: 230px; }
  .session-path { grid-template-columns: 1fr; gap: 10px; }
  .session-path b { display: none; }
  .console-metrics { grid-template-columns: 1fr; }
  .console-metrics div { border-right: 0; border-bottom: 1px solid var(--line); }
  .console-metrics div:last-child { border-bottom: 0; }
  .audience-strip { grid-template-columns: 1fr; margin-top: 60px; }
  .audience-strip > span { grid-column: auto; }
  .section { padding: 86px 0; }
  .split-heading { grid-template-columns: 1fr; gap: 20px; }
  .pillar-row { grid-template-columns: 38px 1fr; gap: 18px; }
  .architecture-tabs { grid-template-columns: 1fr; }
  .architecture-tabs button { min-height: 57px; border-right: 0; border-bottom: 1px solid var(--line); }
  .architecture-tabs button span { display: inline; margin-right: 10px; }
  .architecture-content { grid-template-columns: 1fr; gap: 20px; padding: 30px 22px; }
  .architecture-visual { overflow-x: auto; }
  .layer-map { min-width: 580px; }
  .deployment-grid { grid-template-columns: 1fr; }
  .deployment-card { min-height: auto; }
  .deployment-card h3 { margin-top: 42px; }
  .footer-grid { grid-template-columns: 1fr; gap: 44px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}

@media (max-width: 520px) {
  .hero h1 { font-size: 47px; }
  .hero-lede { font-size: 17px; }
  .shield-console { border-inline: 0; }
  .section-heading h2,
  .pilot-copy h2 { font-size: 39px; }
  .pillar-row h3 { font-size: 27px; }
  .assurance-grid { grid-template-columns: 1fr; }
  .assurance-card { min-height: 240px; }
  .assurance-card h3 { margin-top: 54px; }
  .foundation-list div { flex-direction: column; gap: 3px; }
  .foundation-list strong { text-align: left; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .pilot-form { padding-inline: 20px; }
  .form-header { margin-inline: -20px; padding-inline: 20px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}