:root {
  --navy-950: #071525;
  --navy-900: #0b2038;
  --navy-800: #102d4d;
  --blue-700: #1f5f95;
  --blue-600: #2d75b6;
  --blue-100: #e8f1f8;
  --gold-600: #b47b0b;
  --gold-500: #d29a2e;
  --gold-100: #fff5dc;
  --ink: #122238;
  --muted: #5f6d7c;
  --line: #d8e0e8;
  --paper: #fbfaf7;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(7, 21, 37, 0.14);
  --radius-lg: 28px;
  --radius-md: 18px;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI", Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--navy-950);
  border-radius: 8px;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.container {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  color: var(--white);
  background: rgba(7, 21, 37, 0.96);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.08;
  text-decoration: none;
  white-space: nowrap;
}
.brand strong { font-size: 1.04rem; letter-spacing: .02em; }
.brand span { margin-top: 5px; color: #adc3d5; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }

.main-nav { margin-left: auto; }
.main-nav ul { display: flex; align-items: center; gap: 25px; margin: 0; padding: 0; list-style: none; }
.main-nav a {
  position: relative;
  color: #dce7ef;
  font-size: .9rem;
  font-weight: 650;
  text-decoration: none;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -9px;
  height: 2px;
  background: var(--gold-500);
  transition: right .2s ease;
}
.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after { right: 0; }

.language-switch { display: flex; gap: 4px; padding-left: 18px; border-left: 1px solid rgba(255,255,255,.18); }
.language-switch a {
  min-width: 34px;
  padding: 6px 7px;
  color: #bacbd8;
  border-radius: 8px;
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-align: center;
  text-decoration: none;
}
.language-switch a:hover,
.language-switch a[aria-current="true"] { color: var(--navy-950); background: var(--gold-500); }

.menu-toggle {
  display: none;
  margin-left: auto;
  padding: 9px 12px;
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 9px;
  cursor: pointer;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 680px;
  display: flex;
  align-items: center;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 22%, rgba(210,154,46,.28), transparent 22%),
    radial-gradient(circle at 70% 70%, rgba(45,117,182,.26), transparent 28%),
    linear-gradient(125deg, var(--navy-950) 0%, #0a2744 62%, #164467 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .16;
  background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(90deg, transparent, #000 50%, #000);
}
.hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); gap: 74px; align-items: center; padding-block: 92px; }
.eyebrow { margin: 0 0 18px; color: var(--gold-500); font-size: .78rem; font-weight: 850; letter-spacing: .18em; text-transform: uppercase; }
.hero h1 { max-width: 820px; margin: 0; font-size: clamp(3rem, 6vw, 5.75rem); line-height: .98; letter-spacing: -.045em; }
.hero .role { margin: 25px 0 0; color: #b9d1e2; font-size: clamp(1rem, 2vw, 1.22rem); font-weight: 680; letter-spacing: .04em; text-transform: uppercase; }
.hero .lead { max-width: 720px; margin: 28px 0 0; color: #e6eef4; font-size: clamp(1.2rem, 2.3vw, 1.65rem); line-height: 1.45; }
.actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 20px;
  color: var(--navy-950);
  background: var(--gold-500);
  border: 1px solid var(--gold-500);
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 800;
  letter-spacing: .015em;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(210,154,46,.22); }
.button.secondary { color: var(--white); background: transparent; border-color: rgba(255,255,255,.34); }
.button.secondary:hover { background: rgba(255,255,255,.08); box-shadow: none; }
.button.blue { color: var(--white); background: var(--blue-700); border-color: var(--blue-700); }
.button.ghost { color: var(--navy-800); background: transparent; border-color: #b8c5d0; }

.signal-panel {
  position: relative;
  min-height: 430px;
  padding: 32px;
  background: linear-gradient(150deg, rgba(255,255,255,.12), rgba(255,255,255,.04));
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}
.signal-panel::before {
  content: "";
  position: absolute;
  left: 13%;
  right: 12%;
  top: 50%;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-600) 0 42%, transparent 42% 49%, var(--gold-500) 49% 100%);
  transform: rotate(-9deg);
  box-shadow: 0 0 24px rgba(210,154,46,.45);
}
.signal-panel::after {
  content: "";
  position: absolute;
  width: 68px;
  height: 68px;
  left: 42%;
  top: calc(50% - 34px);
  border: 2px dashed rgba(255,255,255,.68);
  border-radius: 50%;
}
.signal-label { position: absolute; max-width: 170px; color: #dfeaf1; font-size: .82rem; line-height: 1.35; }
.signal-label strong { display: block; margin-bottom: 5px; color: var(--white); font-size: .95rem; }
.signal-label.one { top: 34px; left: 32px; }
.signal-label.two { top: 44px; right: 32px; text-align: right; }
.signal-label.three { bottom: 34px; left: 32px; }
.signal-label.four { right: 32px; bottom: 34px; text-align: right; }
.breaking-point { position: absolute; z-index: 2; left: 45%; top: 45%; width: 12px; height: 12px; background: var(--gold-500); border: 3px solid var(--white); border-radius: 50%; box-shadow: 0 0 0 8px rgba(210,154,46,.16); }

.proof-strip { position: relative; z-index: 2; margin-top: -38px; }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow); }
.proof-item { padding: 28px 24px; }
.proof-item + .proof-item { border-left: 1px solid var(--line); }
.proof-item strong { display: block; color: var(--blue-700); font-size: 1.65rem; line-height: 1.1; }
.proof-item span { display: block; margin-top: 8px; color: var(--muted); font-size: .82rem; line-height: 1.4; }

.section { padding-block: 100px; }
.section.compact { padding-block: 72px; }
.section.dark { color: var(--white); background: var(--navy-950); }
.section.blue { background: var(--blue-100); }
.section.gold { background: var(--gold-100); }
.section-header { max-width: 820px; margin-bottom: 46px; }
.section-header.center { margin-inline: auto; text-align: center; }
.kicker { margin: 0 0 12px; color: var(--gold-600); font-size: .75rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.section h2, .page-hero h1 { margin: 0; color: var(--navy-900); font-size: clamp(2.2rem, 4.5vw, 4.2rem); line-height: 1.08; letter-spacing: -.035em; }
.section.dark h2 { color: var(--white); }
.section-header p { margin: 20px 0 0; color: var(--muted); font-size: 1.16rem; }
.section.dark .section-header p { color: #b8cad8; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.card {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 40px rgba(11,32,56,.06);
}
.card-number { display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center; margin-bottom: 26px; color: var(--white); background: var(--blue-700); border-radius: 50%; font-size: .85rem; font-weight: 850; }
.card h3 { margin: 0 0 12px; color: var(--navy-900); font-size: 1.32rem; line-height: 1.25; }
.card p { margin: 0; color: var(--muted); }
.card .text-link { display: inline-flex; margin-top: 22px; color: var(--blue-700); font-weight: 780; text-decoration: none; }
.card .text-link:hover { text-decoration: underline; text-underline-offset: 4px; }

.book-feature { display: grid; grid-template-columns: 340px 1fr; gap: 68px; align-items: center; }
.book-cover { border-radius: 6px; box-shadow: 0 30px 65px rgba(7,21,37,.26); }
.book-copy h2 { font-size: clamp(2.5rem, 5vw, 4.8rem); }
.book-copy .subtitle { margin: 20px 0 0; color: var(--blue-700); font-size: 1.25rem; font-weight: 720; }
.book-copy p { max-width: 720px; }

.evidence {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 50px;
  align-items: center;
  padding: 48px;
  color: var(--white);
  background: linear-gradient(135deg, #0b2038, #123d62);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.evidence::after { content: "</>"; position: absolute; right: 32px; bottom: -32px; color: rgba(255,255,255,.06); font-size: 10rem; font-weight: 900; }
.evidence h2 { color: var(--white); font-size: clamp(2rem, 4vw, 3.5rem); }
.evidence p { color: #c6d7e4; }
.metric-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; position: relative; z-index: 2; }
.metric { padding: 18px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); border-radius: 12px; }
.metric strong { display: block; color: var(--gold-500); font-size: 1.55rem; }
.metric span { display: block; color: #c6d7e4; font-size: .78rem; }

.timeline { position: relative; margin: 0; padding: 0; list-style: none; }
.timeline::before { content: ""; position: absolute; left: 126px; top: 8px; bottom: 8px; width: 1px; background: #b9c7d2; }
.timeline li { position: relative; display: grid; grid-template-columns: 100px 1fr; gap: 56px; padding: 0 0 46px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline .year { color: var(--gold-600); font-size: .9rem; font-weight: 850; letter-spacing: .04em; text-align: right; }
.timeline .year::after { content: ""; position: absolute; left: 120px; top: 5px; width: 13px; height: 13px; background: var(--paper); border: 3px solid var(--blue-600); border-radius: 50%; }
.timeline h3 { margin: 0 0 8px; color: var(--navy-900); font-size: 1.35rem; }
.timeline p { max-width: 780px; margin: 0; color: var(--muted); }

.page-hero { color: var(--white); background: linear-gradient(130deg, var(--navy-950), #123d62); }
.page-hero .container { padding-block: 90px 78px; }
.page-hero .eyebrow { margin-bottom: 14px; }
.page-hero h1 { max-width: 980px; color: var(--white); }
.page-hero p { max-width: 800px; margin: 22px 0 0; color: #ccdae4; font-size: 1.2rem; }

.step-list { counter-reset: method; display: grid; gap: 18px; }
.step {
  counter-increment: method;
  display: grid;
  grid-template-columns: 76px 230px 1fr;
  gap: 24px;
  align-items: start;
  padding: 26px 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.step::before { content: "0" counter(method); color: var(--blue-600); font-size: 1.8rem; font-weight: 850; }
.step h3 { margin: 4px 0 0; color: var(--navy-900); font-size: 1.25rem; }
.step p { margin: 0; color: var(--muted); }

.download-card { display: grid; grid-template-columns: 72px 1fr; gap: 22px; align-items: start; }
.pdf-icon { display: flex; width: 64px; height: 76px; align-items: center; justify-content: center; color: var(--white); background: var(--blue-700); border-radius: 8px 8px 16px 8px; font-size: .75rem; font-weight: 900; letter-spacing: .08em; }
.download-card .meta { margin-top: 8px; color: var(--gold-600); font-size: .78rem; font-weight: 800; text-transform: uppercase; }

.article-list { display: grid; gap: 24px; }
.article-card { display: grid; grid-template-columns: 180px 1fr auto; gap: 28px; align-items: center; padding: 26px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-md); }
.article-index { display: flex; min-height: 120px; align-items: center; justify-content: center; color: var(--gold-500); background: var(--navy-900); border-radius: 12px; font-size: 2rem; font-weight: 900; }
.article-card h2 { margin: 0 0 8px; font-size: 1.45rem; }
.article-card p { margin: 0; color: var(--muted); }
.article-card .arrow { color: var(--blue-700); font-size: 1.8rem; text-decoration: none; }

.article { max-width: 800px; margin-inline: auto; }
.article .intro { color: var(--blue-700); font-size: 1.35rem; font-weight: 650; }
.article h2 { margin-top: 50px; font-size: 2rem; }
.article blockquote { margin: 42px 0; padding: 24px 30px; color: var(--navy-900); background: var(--gold-100); border-left: 5px solid var(--gold-600); font-size: 1.25rem; font-weight: 700; }

.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.contact-card { padding: 34px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-md); }
.contact-card h2 { font-size: 2rem; }
.contact-list { margin: 24px 0 0; padding: 0; list-style: none; }
.contact-list li { padding: 13px 0; border-top: 1px solid var(--line); }
.contact-list a { color: var(--blue-700); font-weight: 750; text-decoration: none; }

.quote-band { padding: 46px 0; color: var(--white); background: var(--blue-700); }
.quote-band blockquote { max-width: 980px; margin: 0 auto; font-size: clamp(1.45rem, 3vw, 2.5rem); font-weight: 760; line-height: 1.35; text-align: center; }

.site-footer { padding: 60px 0 32px; color: #b6c6d3; background: var(--navy-950); }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 52px; }
.footer-brand { color: var(--white); font-size: 1.25rem; font-weight: 800; }
.footer-copy { max-width: 420px; margin-top: 15px; color: #93a9ba; font-size: .9rem; }
.footer-title { margin: 0 0 14px; color: var(--gold-500); font-size: .75rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.footer-links { margin: 0; padding: 0; list-style: none; }
.footer-links li { margin: 7px 0; }
.footer-links a { color: #c2d0da; text-decoration: none; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 50px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); color: #7f96a7; font-size: .8rem; }

.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; }

@media (max-width: 1020px) {
  .menu-toggle { display: inline-flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    padding: 22px 20px;
    background: var(--navy-950);
    border-top: 1px solid rgba(255,255,255,.1);
  }
  .main-nav.open { display: block; }
  .main-nav ul { width: min(100%, var(--max)); margin-inline: auto; flex-direction: column; align-items: flex-start; gap: 18px; }
  .language-switch { margin-left: 0; }
  .hero-inner { grid-template-columns: 1fr; }
  .signal-panel { min-height: 330px; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .proof-item:nth-child(4) { border-top: 1px solid var(--line); }
  .grid-3 { grid-template-columns: 1fr; }
  .book-feature { grid-template-columns: 260px 1fr; gap: 38px; }
  .evidence { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .container { width: min(calc(100% - 28px), var(--max)); }
  .header-inner { min-height: 68px; }
  .brand span { display: none; }
  .main-nav { top: 68px; }
  .language-switch { padding-left: 8px; }
  .hero { min-height: auto; }
  .hero-inner { gap: 44px; padding-block: 68px 82px; }
  .hero h1 { font-size: clamp(2.8rem, 14vw, 4.5rem); }
  .signal-panel { min-height: 310px; padding: 22px; }
  .signal-label { max-width: 130px; font-size: .72rem; }
  .signal-label.one, .signal-label.three { left: 20px; }
  .signal-label.two, .signal-label.four { right: 20px; }
  .proof-strip { margin-top: -24px; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-item + .proof-item { border-left: 0; border-top: 1px solid var(--line); }
  .section { padding-block: 72px; }
  .grid-2 { grid-template-columns: 1fr; }
  .book-feature { grid-template-columns: 1fr; }
  .book-cover { width: min(72%, 310px); margin-inline: auto; }
  .evidence { padding: 30px 24px; }
  .metric-list { grid-template-columns: 1fr; }
  .timeline::before { left: 12px; }
  .timeline li { grid-template-columns: 1fr; gap: 9px; padding-left: 38px; }
  .timeline .year { text-align: left; }
  .timeline .year::after { left: 6px; }
  .step { grid-template-columns: 52px 1fr; gap: 12px; }
  .step p { grid-column: 2; }
  .article-card { grid-template-columns: 74px 1fr; }
  .article-index { min-height: 74px; font-size: 1.25rem; }
  .article-card .arrow { display: none; }
  .contact-layout, .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}