:root {
  --indigo-950: #0E1530;
  --indigo-900: #141C3D;
  --indigo-800: #1F2B5C;
  --indigo-600: #3A4A8C;
  --cyan: #00D9FF;
  --cyan-ink: #006B80;
  --gold: #FFD700;
  --gold-ink: #8A6A00;
  --paper: #F7F6F2;
  --paper-2: #EEECE5;
  --ink: #161A2B;
  --ink-2: #4A4F63;
  --rule: #D9D6CC;

  --font-display: 'Zodiak', 'Georgia', serif;
  --font-body: 'Satoshi', 'Inter', system-ui, sans-serif;

  --text-xs: 0.8125rem;
  --text-sm: 0.9375rem;
  --text-base: 1.0625rem;
  --text-lg: clamp(1.15rem, 1rem + 0.5vw, 1.375rem);
  --text-xl: clamp(1.6rem, 1.2rem + 1.4vw, 2.25rem);
  --text-hero: clamp(2.6rem, 1.6rem + 4.2vw, 5rem);

  --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-12: 3rem; --space-16: 4rem; --space-24: 6rem;
  --section: clamp(4rem, 9vw, 8rem);
  --max: 1160px;
  --radius: 14px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--font-body); font-size: var(--text-base); line-height: 1.65;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--indigo-800); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--indigo-600); }
:focus-visible { outline: 2px solid var(--cyan-ink); outline-offset: 3px; border-radius: 4px; }
.wrap { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 0; background: #fff; padding: .5rem 1rem; z-index: 100; }
.skip:focus { left: 1rem; top: 1rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(14, 21, 48, 0.86); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: var(--space-6); }
.wordmark { display: inline-flex; align-items: center; gap: .6rem; color: #fff; text-decoration: none; font-family: var(--font-display); font-size: 1.3rem; letter-spacing: -0.01em; }
.wordmark:hover { color: #fff; }
.wordmark svg { width: 22px; height: 22px; flex: none; }
.nav { display: flex; gap: clamp(.9rem, 2.4vw, 2rem); }
.nav a { color: rgba(255,255,255,0.82); text-decoration: none; font-size: var(--text-sm); font-weight: 500; }
.nav a:hover, .nav a[aria-current="page"] { color: #fff; }
.nav a[aria-current="page"] { box-shadow: 0 2px 0 var(--cyan); }

/* Hero */
.hero { position: relative; background: var(--indigo-900); color: #fff; overflow: hidden; isolation: isolate; }
.hero picture, .hero picture img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%; z-index: -2; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(14,21,48,0.94) 0%, rgba(14,21,48,0.72) 42%, rgba(14,21,48,0.05) 75%); }
.hero .wrap { min-height: min(82vh, 760px); display: flex; flex-direction: column; justify-content: center; padding-block: var(--space-24); }
.eyebrow { font-size: var(--text-xs); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); margin: 0 0 var(--space-4); }
.hero h1 { font-family: var(--font-display); font-weight: 400; font-size: var(--text-hero); line-height: 1.02; letter-spacing: -0.02em; margin: 0; max-width: 12ch; }
.hero p.lede { font-size: var(--text-lg); line-height: 1.55; color: rgba(255,255,255,0.84); max-width: 38ch; margin: var(--space-6) 0 var(--space-8); }
.actions { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .8rem 1.25rem; border-radius: 999px; font-weight: 600; font-size: var(--text-sm); text-decoration: none; transition: background .2s, color .2s, border-color .2s; }
.btn-primary { background: #fff; color: var(--indigo-900); }
.btn-primary:hover { background: var(--paper-2); color: var(--indigo-900); }
.btn-ghost { color: #fff; border: 1px solid rgba(255,255,255,0.35); }
.btn-ghost:hover { color: #fff; border-color: #fff; }
.badge-soon { display: inline-flex; align-items: center; gap: .55rem; font-size: var(--text-sm); color: rgba(255,255,255,0.8); }
.badge-soon::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }

/* Sections */
section { padding-block: var(--section); }
.section-head { max-width: 46rem; margin-bottom: var(--space-12); }
.section-head h2, .page-head h1 { font-family: var(--font-display); font-weight: 400; font-size: var(--text-xl); line-height: 1.15; letter-spacing: -0.015em; margin: 0 0 var(--space-4); }
.section-head p { color: var(--ink-2); margin: 0; }
.kicker { font-size: var(--text-xs); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--cyan-ink); margin: 0 0 var(--space-3); }

/* PRISM features */
.features { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.feature-list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-8); }
.feature-list li { display: grid; grid-template-columns: 2.25rem 1fr; gap: var(--space-4); }
.feature-list .num { font-family: var(--font-display); font-size: 1.35rem; color: var(--indigo-600); line-height: 1.3; }
.feature-list h3 { font-size: var(--text-lg); margin: 0 0 .3rem; line-height: 1.3; }
.feature-list p { margin: 0; color: var(--ink-2); }
.phones { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); align-items: start; }
.phone { border-radius: 28px; overflow: hidden; background: #fff; box-shadow: 0 30px 60px -30px rgba(20,28,61,0.45), 0 0 0 1px rgba(20,28,61,0.08); }
.phone:nth-child(2) { margin-top: var(--space-16); }
.phone img { width: 100%; height: auto; aspect-ratio: 1206 / 2622; object-fit: cover; }
.caption { font-size: var(--text-xs); color: var(--ink-2); margin-top: var(--space-3); }

/* Labels band */
.labels { background: var(--indigo-900); color: #fff; }
.labels .section-head p { color: rgba(255,255,255,0.75); }
.labels .kicker { color: var(--cyan); }
.label-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,0.12); border-radius: var(--radius); overflow: hidden; }
.label-grid div { background: var(--indigo-900); padding: var(--space-8) var(--space-6); }
.chip { display: inline-block; font-size: var(--text-xs); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: .25rem .6rem; border-radius: 6px; margin-bottom: var(--space-4); }
.chip-fact { background: var(--cyan); color: var(--indigo-950); }
.chip-claim { background: var(--gold); color: var(--indigo-950); }
.chip-inference { background: #5A6388; color: #fff; }
.chip-unknown { background: transparent; color: #fff; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.5); }
.label-grid h3 { font-size: var(--text-lg); margin: 0 0 .4rem; font-weight: 600; }
.label-grid p { margin: 0; color: rgba(255,255,255,0.75); font-size: var(--text-sm); }

/* Not list */
.split { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.not-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.not-list li { padding: var(--space-4) 0; border-bottom: 1px solid var(--rule); display: flex; gap: var(--space-4); align-items: baseline; }
.not-list li::before { content: "—"; color: var(--indigo-600); }
.section-head .pull, .pull { font-family: var(--font-display); font-size: var(--text-lg); line-height: 1.45; color: var(--indigo-800); border-left: 3px solid var(--gold); padding-left: var(--space-6); margin: var(--space-8) 0 0 !important; }

/* Company */
.company { background: var(--paper-2); }
.company-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--space-8); }
.company-grid h3 { font-size: var(--text-sm); text-transform: uppercase; letter-spacing: .12em; color: var(--ink-2); margin: 0 0 var(--space-3); }
.company-grid p { margin: 0; }

/* Placeholder marker (preview only) */
mark.ph { background: #FFF1B8; color: #5A4700; padding: 0 .3em; border-radius: 4px; font-size: .92em; font-family: var(--font-body); }

/* Footer */
.site-footer { background: var(--indigo-950); color: rgba(255,255,255,0.72); font-size: var(--text-sm); padding-block: var(--space-16) var(--space-12); }
.site-footer a { color: #fff; }
.footer-top { display: flex; justify-content: space-between; gap: var(--space-8); flex-wrap: wrap; padding-bottom: var(--space-8); border-bottom: 1px solid rgba(255,255,255,0.12); }
.footer-links { display: flex; gap: var(--space-6); flex-wrap: wrap; }
.footer-links a { text-decoration: none; }
.legal-line { margin: var(--space-6) 0 0; font-size: var(--text-xs); line-height: 1.7; max-width: 70ch; }

/* Document pages */
.page-head { background: var(--indigo-900); color: #fff; padding-block: var(--space-16) var(--space-12); }
.page-head h1 { color: #fff; font-size: clamp(2rem, 1.4rem + 2.4vw, 3rem); }
.page-head p { margin: 0; color: rgba(255,255,255,0.75); }
.doc { padding-block: var(--space-12) var(--section); }
.doc-grid { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); }
.toc { position: sticky; top: 88px; align-self: start; font-size: var(--text-sm); }
.toc p { font-weight: 700; font-size: var(--text-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); margin: 0 0 var(--space-3); }
.toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.toc a { text-decoration: none; color: var(--ink-2); }
.toc a:hover { color: var(--indigo-800); }
.prose { max-width: 70ch; }
.prose h2 { font-family: var(--font-display); font-weight: 400; font-size: 1.6rem; line-height: 1.25; margin: var(--space-12) 0 var(--space-4); scroll-margin-top: 90px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: var(--text-lg); margin: var(--space-8) 0 var(--space-3); }
.prose p, .prose li { color: var(--ink); }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li { margin-bottom: .35rem; }
.prose table { width: 100%; border-collapse: collapse; margin: var(--space-6) 0; font-size: var(--text-sm); display: block; overflow-x: auto; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: .7rem .8rem; border-bottom: 1px solid var(--rule); }
.prose th { background: var(--paper-2); font-weight: 600; }
.draft-note { background: #FFF6D6; border: 1px solid #EBD58A; color: #4D3D00; border-radius: 10px; padding: var(--space-4) var(--space-6); margin-bottom: var(--space-8); font-size: var(--text-sm); }
.draft-note strong { color: #3A2E00; }
.faq details { border-bottom: 1px solid var(--rule); padding: var(--space-4) 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: var(--text-base); list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--indigo-600); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: var(--space-3) 0 0; color: var(--ink-2); }
.contact-card { background: #fff; border: 1px solid var(--rule); border-radius: var(--radius); padding: var(--space-8); margin-bottom: var(--space-12); }
.contact-card h2 { margin-top: 0 !important; }

@media (max-width: 900px) {
  .features, .split { grid-template-columns: 1fr; }
  .label-grid { grid-template-columns: 1fr 1fr; }
  .company-grid { grid-template-columns: 1fr; }
  .doc-grid { grid-template-columns: 1fr; }
  .toc { position: static; border-bottom: 1px solid var(--rule); padding-bottom: var(--space-6); }
}
@media (max-width: 560px) {
  .nav a.nav-optional { display: none; }
  .hero::after { background: linear-gradient(180deg, rgba(14,21,48,0.05) 0%, rgba(14,21,48,0.35) 34%, rgba(14,21,48,0.94) 58%); }
  .hero picture img { object-position: 50% 0%; }
  .hero .wrap { min-height: 700px; justify-content: flex-end; padding-block: var(--space-12); }
  .label-grid { grid-template-columns: 1fr; }
  .phone:nth-child(2) { margin-top: var(--space-8); }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }