:root {
  color-scheme: dark;
  --bg: #060b18;
  --bg-deep: #030711;
  --surface: #0a1426;
  --surface-2: #0d1c38;
  --surface-3: rgba(16, 34, 64, .72);
  --line: rgba(143, 208, 255, .16);
  --line-strong: rgba(143, 208, 255, .34);
  --text: #eaf0ff;
  --muted: #9aa9c4;
  --gold: #ffcb2d;
  --gold-deep: #d9a50f;
  --gold-light: #ffe28a;
  --blue: #5bb8f5;
  --cyan: #8fd0ff;
  --ivory: #f7f3ea;
  --green: #5ee6a8;
  --red: #ff7a84;
  --orange: #ffae57;
  --shadow: 0 24px 80px rgba(0, 0, 0, .34);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --container: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 80% 0%, rgba(91, 184, 245, .12), transparent 32rem),
    radial-gradient(circle at 12% 20%, rgba(255, 203, 45, .06), transparent 24rem),
    linear-gradient(180deg, var(--bg-deep), var(--bg) 16%, #07101f 68%, var(--bg-deep));
  color: var(--text);
  font-family: Inter, "Noto Sans Thai", "Segoe UI", Tahoma, system-ui, sans-serif;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  opacity: .24;
  background-image:
    linear-gradient(rgba(143, 208, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 208, 255, .035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

body.focus-mode {
  --bg: #f7f3ea;
  --bg-deep: #ece7dc;
  --surface: #ffffff;
  --surface-2: #eef4f8;
  --surface-3: rgba(255, 255, 255, .84);
  --line: rgba(20, 34, 58, .14);
  --line-strong: rgba(20, 34, 58, .28);
  --text: #14223a;
  --muted: #58667d;
  --shadow: 0 24px 70px rgba(20, 34, 58, .12);
  color-scheme: light;
}

body.focus-mode::before { opacity: .5; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; }

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 999;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--gold);
  color: #0a1426;
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 76px;
  padding: 10px max(20px, calc((100vw - var(--container)) / 2));
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.scrolled {
  border-color: var(--line);
  background: color-mix(in srgb, var(--bg-deep) 88%, transparent);
  box-shadow: 0 10px 40px rgba(0, 0, 0, .16);
  backdrop-filter: blur(20px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 245px; }
.brand img { width: 48px; height: 48px; object-fit: contain; }
.brand strong { display: block; color: var(--gold); font-size: .92rem; letter-spacing: .14em; }
.brand small { display: block; color: var(--muted); font-size: .73rem; letter-spacing: .05em; }
.site-header nav { display: flex; justify-content: center; gap: clamp(14px, 2vw, 30px); }
.site-header nav a { position: relative; color: var(--muted); font-size: .86rem; font-weight: 650; }
.site-header nav a::after { position: absolute; right: 50%; bottom: -9px; left: 50%; height: 2px; content: ""; background: var(--gold); transition: inset .2s ease; }
.site-header nav a:hover, .site-header nav a:focus-visible { color: var(--text); }
.site-header nav a:hover::after, .site-header nav a:focus-visible::after { right: 0; left: 0; }
.header-actions { display: flex; justify-content: flex-end; gap: 8px; min-width: 245px; }
.icon-button, .menu-button {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-3);
  color: var(--text);
  cursor: pointer;
}
.icon-button:hover, .menu-button:hover { border-color: var(--gold); }
.menu-button { display: none; padding: 0 16px; border-radius: 12px; font-weight: 700; }
.mobile-menu { grid-column: 1 / -1; padding: 12px 0 6px; border-top: 1px solid var(--line); }
.mobile-menu a { display: block; min-height: 44px; padding: 10px 6px; color: var(--muted); }

.section-shell { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; padding: 96px 0; }
.hero { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(380px, .88fr); align-items: center; gap: clamp(44px, 7vw, 100px); min-height: calc(100vh - 76px); padding-top: 80px; }
.eyebrow { margin: 0 0 14px; color: var(--cyan); font-size: .75rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 7px rgba(94, 230, 168, .09); }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { max-width: 760px; margin: 0; font-size: clamp(3.25rem, 7vw, 6.6rem); line-height: .94; letter-spacing: -.055em; }
h1 span { color: var(--gold); }
.hero-lead { max-width: 680px; margin: 28px 0 0; color: var(--muted); font-size: clamp(1.05rem, 1.7vw, 1.28rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 11px 18px; border: 1px solid transparent; border-radius: 12px; cursor: pointer; font-weight: 800; transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--gold); color: #0a1426; box-shadow: 0 12px 32px rgba(255, 203, 45, .14); }
.button-primary:hover { background: var(--gold-light); box-shadow: 0 14px 38px rgba(255, 203, 45, .24); }
.button-secondary { border-color: var(--line-strong); background: var(--surface-3); color: var(--text); }
.button-secondary:hover { border-color: var(--cyan); }
.trust-row { display: flex; flex-wrap: wrap; gap: 16px 24px; margin-top: 28px; color: var(--muted); font-size: .78rem; }
.trust-row span::first-letter { color: var(--green); }

.network-stage { position: relative; min-height: 550px; overflow: hidden; isolation: isolate; }
.network-stage::before { position: absolute; inset: 8% 4%; z-index: -3; content: ""; border-radius: 50%; background: radial-gradient(circle, rgba(91, 184, 245, .18), rgba(91, 184, 245, .04) 34%, transparent 69%); filter: blur(12px); }
.radar-ring { position: absolute; top: 50%; left: 50%; border: 1px solid var(--line); border-radius: 50%; transform: translate(-50%, -50%); }
.ring-one { width: 170px; height: 170px; }
.ring-two { width: 330px; height: 330px; }
.ring-three { width: 500px; height: 500px; border-style: dashed; animation: spin 36s linear infinite; }
.node { position: absolute; z-index: 3; display: grid; place-content: center; width: 88px; height: 88px; border: 1px solid var(--line-strong); border-radius: 50%; background: rgba(6, 11, 24, .82); box-shadow: 0 12px 40px rgba(0, 0, 0, .3), inset 0 0 30px rgba(91, 184, 245, .08); text-align: center; backdrop-filter: blur(12px); }
.focus-mode .node { background: rgba(255, 255, 255, .88); }
.node b { color: var(--cyan); font-size: .73rem; letter-spacing: .1em; }
.node small { color: var(--muted); font-size: .67rem; }
.node-core { top: calc(50% - 60px); left: calc(50% - 60px); width: 120px; height: 120px; border-color: var(--gold); box-shadow: 0 0 50px rgba(255, 203, 45, .17); animation: pulse 3.4s ease-in-out infinite; }
.node-core b { color: var(--gold); font-size: .92rem; }
.node-one { top: 12%; left: 44%; }
.node-two { top: 25%; left: 7%; }
.node-three { top: 52%; right: 2%; }
.node-four { bottom: 7%; left: 22%; }
.node-five { bottom: 4%; right: 18%; }
.graph-line { position: absolute; z-index: -1; top: 50%; left: 50%; width: 190px; height: 1px; background: linear-gradient(90deg, var(--gold), var(--cyan), transparent); transform-origin: left center; opacity: .6; }
.line-a { transform: rotate(-88deg); }
.line-b { transform: rotate(-154deg); }
.line-c { transform: rotate(8deg); }
.line-d { transform: rotate(120deg); }
.stage-caption { position: absolute; right: 0; bottom: 0; left: 0; margin: 0; color: var(--muted); font-size: .65rem; font-weight: 800; letter-spacing: .18em; text-align: center; }

.signal-strip { display: grid; grid-template-columns: repeat(4, 1fr); width: min(calc(100% - 40px), var(--container)); margin: 0 auto; border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(135deg, rgba(13, 28, 56, .78), rgba(10, 20, 38, .58)); box-shadow: var(--shadow); overflow: hidden; }
.signal-strip div { padding: 24px; border-right: 1px solid var(--line); }
.signal-strip div:last-child { border-right: 0; }
.signal-strip b { display: block; color: var(--gold); font-size: clamp(1.8rem, 3vw, 2.7rem); line-height: 1; }
.signal-strip span { display: block; margin-top: 9px; color: var(--muted); font-size: .78rem; }

.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .56fr); gap: 28px 80px; align-items: end; margin-bottom: 42px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: -18px; }
.section-heading h2 { margin: 0; font-size: clamp(2.2rem, 5vw, 4.7rem); line-height: 1.02; letter-spacing: -.045em; }
.section-heading > p:last-child { margin: 0; color: var(--muted); }
.brief { padding-top: 130px; }
.brief-grid { display: grid; grid-template-columns: 1.1fr repeat(3, 1fr); gap: 14px; }
.brief-card { min-height: 320px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(160deg, rgba(13, 28, 56, .7), rgba(10, 20, 38, .44)); transition: transform .25s ease, border-color .25s ease; }
.brief-card:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.brief-card.verdict { background: linear-gradient(150deg, rgba(255, 203, 45, .13), rgba(13, 28, 56, .6)); }
.card-label, .source-type { display: inline-flex; padding: 5px 9px; border: 1px solid var(--line); border-radius: 999px; color: var(--cyan); font-size: .65rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.card-label.fact { color: var(--green); }
.card-label.caution { color: var(--orange); }
.card-label.analysis { color: var(--gold); }
.score { display: block; margin: 26px 0 20px; color: var(--gold); font-size: 4.8rem; line-height: 1; }
.score span { color: var(--muted); font-size: 1.3rem; }
.brief-card h3, .product-card h3 { margin: 44px 0 12px; font-size: 1.3rem; }
.brief-card.verdict h3 { margin-top: 0; }
.brief-card p, .product-card p { margin: 0; color: var(--muted); font-size: .91rem; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.product-card { position: relative; min-height: 330px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(10, 20, 38, .56); overflow: hidden; }
.product-card::after { position: absolute; right: -55px; bottom: -55px; width: 150px; height: 150px; content: ""; border: 1px solid var(--line); border-radius: 50%; }
.product-card.featured { border-color: rgba(255, 203, 45, .45); background: linear-gradient(145deg, rgba(255, 203, 45, .12), rgba(10, 20, 38, .64)); }
.product-index { position: absolute; top: 22px; right: 24px; color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .7rem; }
.product-icon { display: grid; place-items: center; width: 54px; height: 54px; border: 1px solid var(--line-strong); border-radius: 16px; background: var(--surface-2); color: var(--gold); font-size: 1.7rem; }
.product-card h3 { margin-top: 42px; font-size: 1.55rem; }
.use-tag { position: absolute; bottom: 24px; left: 28px; color: var(--cyan); font-size: .64rem; font-weight: 800; letter-spacing: .13em; }

.workflow-section { position: relative; }
.workflow-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.workflow-list li { display: grid; grid-template-columns: 72px minmax(0, 1fr) 180px; gap: 24px; align-items: start; padding: 28px 4px; border-bottom: 1px solid var(--line); }
.step-number { color: var(--gold); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 1.1rem; }
.workflow-list h3 { margin: -4px 0 4px; font-size: 1.25rem; }
.workflow-list p { max-width: 780px; margin: 0; color: var(--muted); }
.step-output { padding-top: 3px; color: var(--cyan); font-size: .65rem; font-weight: 800; letter-spacing: .1em; text-align: right; }

.case-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 14px; }
.case-facts, .attack-chain { border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(10, 20, 38, .52); }
.case-facts { padding: 12px 24px; }
.fact-row { display: grid; grid-template-columns: 130px 1fr; gap: 16px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.fact-row:last-child { border-bottom: 0; }
.fact-row span { color: var(--muted); font-size: .78rem; }
.fact-row b { font-size: .84rem; }
.attack-chain { display: grid; grid-template-columns: repeat(9, auto); align-items: center; justify-content: center; padding: 36px 22px; overflow-x: auto; }
.attack-chain > div { display: grid; place-content: center; width: 108px; min-width: 108px; height: 108px; border: 1px solid var(--line-strong); border-radius: 50%; text-align: center; }
.attack-chain > div.loss { border-color: rgba(255, 122, 132, .5); }
.attack-chain > div span { color: var(--gold); font-size: .68rem; }
.attack-chain > div b { font-size: .83rem; }
.attack-chain > div small { color: var(--muted); font-size: .62rem; }
.attack-chain i { padding: 0 6px; color: var(--cyan); font-style: normal; }
.caution-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 14px; }
.caution-grid article { padding: 24px; border: 1px solid rgba(255, 174, 87, .22); border-radius: var(--radius-lg); background: linear-gradient(160deg, rgba(255, 174, 87, .07), rgba(10, 20, 38, .4)); }
.caution-grid article > span { font-size: 1.35rem; }
.caution-grid h3 { margin: 26px 0 10px; font-size: 1.05rem; }
.caution-grid p { margin: 0; color: var(--muted); font-size: .86rem; }

.playbook-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.playbook-grid article { min-height: 300px; padding: 25px; border-top: 3px solid var(--gold); border-radius: 0 0 var(--radius-lg) var(--radius-lg); background: rgba(10, 20, 38, .55); }
.playbook-grid article > b { color: var(--gold); font-size: .72rem; letter-spacing: .12em; }
.playbook-grid h3 { margin: 32px 0 16px; }
.playbook-grid ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: .88rem; }
.confidence-matrix { display: grid; grid-template-columns: 150px repeat(3, 1fr); gap: 0; margin-top: 14px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(10, 20, 38, .48); overflow: hidden; }
.confidence-matrix h3 { display: flex; align-items: center; margin: 0; padding: 22px; border-right: 1px solid var(--line); font-size: .9rem; }
.confidence-matrix > div { padding: 20px; border-right: 1px solid var(--line); }
.confidence-matrix > div:last-child { border-right: 0; }
.confidence-matrix p { margin: 10px 0 0; color: var(--muted); font-size: .78rem; }
.confidence { display: inline-block; min-width: 70px; padding: 4px 8px; border-radius: 999px; text-align: center; font-size: .68rem; font-weight: 900; }
.confidence.high { background: rgba(94, 230, 168, .12); color: var(--green); }
.confidence.medium { background: rgba(255, 174, 87, .12); color: var(--orange); }
.confidence.low { background: rgba(255, 122, 132, .12); color: var(--red); }

.plan-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.plan-grid article { position: relative; min-height: 260px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(10, 20, 38, .55); }
.plan-grid article.recommended { border-color: var(--gold); box-shadow: inset 0 3px 0 var(--gold); }
.plan-grid article > span { position: absolute; top: 15px; right: 16px; color: var(--gold); font-size: .6rem; font-weight: 900; letter-spacing: .1em; }
.plan-grid h3 { margin: 8px 0 32px; color: var(--muted); }
.plan-grid strong { display: block; color: var(--text); font-size: 2rem; line-height: 1.15; }
.plan-grid strong small { color: var(--muted); font-size: .72rem; }
.plan-grid p { margin: 30px 0 0; color: var(--muted); font-size: .84rem; }

.source-toolbar { display: grid; grid-template-columns: 1fr 220px auto; gap: 12px; align-items: end; margin-bottom: 14px; }
.source-toolbar label span { display: block; margin-bottom: 7px; color: var(--muted); font-size: .72rem; }
input, select { width: 100%; min-height: 48px; padding: 10px 13px; border: 1px solid var(--line); border-radius: 12px; outline: none; background: var(--surface-3); color: var(--text); }
input:focus, select:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(143, 208, 255, .08); }
.source-count { margin: 18px 0; color: var(--muted); font-size: .8rem; }
.source-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.source-card { display: flex; flex-direction: column; min-height: 280px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(10, 20, 38, .5); transition: transform .2s ease, border-color .2s ease; }
.source-card:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.source-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--muted); font-size: .65rem; }
.source-badge { padding: 3px 7px; border-radius: 999px; background: rgba(91, 184, 245, .1); color: var(--cyan); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.source-badge.primary { color: var(--gold); background: rgba(255, 203, 45, .1); }
.source-badge.authority { color: var(--green); background: rgba(94, 230, 168, .1); }
.source-badge.analysis { color: var(--orange); background: rgba(255, 174, 87, .1); }
.source-card h3 { margin: 24px 0 10px; font-size: 1.05rem; line-height: 1.4; }
.source-card p { margin: 0; color: var(--muted); font-size: .82rem; }
.source-card a { display: inline-flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 20px; color: var(--gold); font-size: .77rem; font-weight: 800; }
.source-card a:hover { color: var(--gold-light); }
.featured-source { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-top: 18px; padding: 26px; border: 1px solid rgba(255, 203, 45, .38); border-radius: var(--radius-lg); background: linear-gradient(140deg, rgba(255, 203, 45, .09), rgba(10, 20, 38, .58)); }
.featured-source h3 { margin: 14px 0 5px; }
.featured-source p { margin: 0; color: var(--muted); }
.source-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.noscript-note { padding: 18px; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); }

.disclaimer { display: grid; grid-template-columns: 110px 1fr; gap: 34px; align-items: center; margin-bottom: 50px; padding: 42px; border: 1px solid var(--line); border-radius: var(--radius-xl); background: linear-gradient(135deg, rgba(13, 28, 56, .8), rgba(10, 20, 38, .5)); }
.disclaimer img { width: 110px; }
.disclaimer h2 { margin: 0 0 10px; font-size: clamp(1.55rem, 3vw, 2.7rem); }
.disclaimer p:last-child { margin: 0; color: var(--muted); }

footer { display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: center; width: min(calc(100% - 40px), var(--container)); margin: 0 auto; padding: 28px 0 46px; border-top: 1px solid var(--line); color: var(--muted); font-size: .75rem; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand img { width: 38px; height: 38px; }
.footer-brand b, .footer-brand span { display: block; }
.footer-brand b { color: var(--gold); letter-spacing: .1em; }
footer p { margin: 0; text-align: center; }
footer > div:last-child { display: flex; justify-content: flex-end; gap: 16px; }
footer a:hover { color: var(--text); }

.not-found { min-height: 80vh; display: grid; place-content: center; text-align: center; }
.not-found h1 { font-size: clamp(3rem, 10vw, 7rem); }

[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.16, 1, .3, 1), transform .7s cubic-bezier(.16, 1, .3, 1); }
[data-reveal].revealed { opacity: 1; transform: translateY(0); }

@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.04); } }

@media (max-width: 1080px) {
  .site-header nav { display: none; }
  .menu-button { display: block; }
  .header-actions { min-width: auto; }
  .hero { grid-template-columns: minmax(0, 1fr); min-height: auto; padding-top: 110px; }
  .hero > * { min-width: 0; }
  .network-stage { width: min(100%, 620px); margin: 0 auto; }
  .brief-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid, .source-grid { grid-template-columns: repeat(2, 1fr); }
  .caution-grid, .playbook-grid, .plan-grid { grid-template-columns: repeat(2, 1fr); }
  .case-layout { grid-template-columns: 1fr; }
  .confidence-matrix { grid-template-columns: 130px 1fr; }
  .confidence-matrix h3 { grid-row: 1 / 4; }
  .confidence-matrix > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .confidence-matrix > div:last-child { border-bottom: 0; }
}

@media (max-width: 760px) {
  .section-shell { width: min(calc(100% - 28px), var(--container)); padding: 72px 0; }
  .site-header { grid-template-columns: 1fr auto; padding-inline: 14px; }
  .brand { min-width: 0; }
  .brand img { width: 42px; height: 42px; }
  .brand small { max-width: 170px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .hero { padding-top: 76px; gap: 24px; }
  h1 { font-size: clamp(2.55rem, 11vw, 4.4rem); line-height: .98; }
  .network-stage { min-height: 440px; transform: scale(.86); margin: -20px auto; }
  .ring-three { width: 440px; height: 440px; }
  .signal-strip { grid-template-columns: repeat(2, 1fr); width: calc(100% - 28px); }
  .signal-strip div:nth-child(2) { border-right: 0; }
  .signal-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .section-heading { grid-template-columns: 1fr; gap: 16px; }
  .section-heading .eyebrow { margin-bottom: 0; }
  .brief { padding-top: 90px; }
  .brief-grid, .product-grid, .source-grid, .caution-grid, .playbook-grid, .plan-grid { grid-template-columns: 1fr; }
  .workflow-list li { grid-template-columns: 50px 1fr; }
  .step-output { grid-column: 2; text-align: left; }
  .attack-chain { justify-content: start; }
  .source-toolbar { grid-template-columns: 1fr; }
  .featured-source { align-items: flex-start; flex-direction: column; }
  .source-actions { width: 100%; }
  .source-actions .button { width: 100%; }
  .disclaimer { grid-template-columns: 70px 1fr; padding: 24px; }
  .disclaimer img { width: 70px; }
  footer { grid-template-columns: 1fr; text-align: center; }
  .footer-brand, footer > div:last-child { justify-content: center; }
}

@media (max-width: 480px) {
  .header-actions .icon-button { display: none; }
  .hero-actions .button { flex: 1 1 100%; }
  .trust-row { gap: 8px 14px; font-size: .7rem; }
  .network-stage { left: auto; width: 100%; margin-left: 0; overflow: hidden; transform: none; }
  .network-stage .ring-three { width: 410px; height: 410px; }
  .network-stage .ring-two { width: 290px; height: 290px; }
  .network-stage .node { width: 76px; height: 76px; }
  .network-stage .node-core { width: 108px; height: 108px; }
  .signal-strip div { padding: 18px; }
  .brief-card, .product-card, .caution-grid article, .playbook-grid article, .plan-grid article, .source-card { border-radius: var(--radius-md); }
  .fact-row { grid-template-columns: 1fr; gap: 3px; }
  .confidence-matrix { grid-template-columns: 1fr; }
  .confidence-matrix h3 { grid-row: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .disclaimer { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}