:root {
  --ink: #0b2426;
  --ink-soft: #365657;
  --paper: #f7fbfa;
  --white: #ffffff;
  --tint: #e9f6f3;
  --line: #c9dfda;
  --aqua: #9cd7cf;
  --aqua-strong: #2d8f86;
  --lime: #c7df65;
  --dark: #0b2b2c;
  --dark-soft: #153d3e;
  --radius: 18px;
  --shadow: 0 24px 64px rgba(11, 43, 44, .08);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
p, ul, ol, blockquote { margin-top: 0; }
h1, h2, h3 { margin-top: 0; line-height: 1.05; letter-spacing: -.035em; }
h1 { font-size: clamp(3.3rem, 8vw, 7.4rem); font-weight: 620; max-width: 900px; margin-bottom: 28px; }
h2 { font-size: clamp(2.25rem, 5vw, 4.65rem); font-weight: 610; margin-bottom: 22px; }
h3 { font-size: 1.35rem; font-weight: 650; }

.skip-link { position: fixed; left: 16px; top: -80px; z-index: 1000; background: var(--lime); color: var(--ink); padding: 12px 18px; border-radius: 8px; font-weight: 700; }
.skip-link:focus { top: 16px; }
:focus-visible { outline: 3px solid var(--aqua-strong); outline-offset: 4px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 12px max(24px, calc((100vw - var(--max)) / 2));
  background: rgba(247, 251, 250, .93);
  border-bottom: 1px solid rgba(11, 36, 38, .1);
  backdrop-filter: blur(18px);
}
.brand { display: flex; gap: 12px; align-items: center; text-decoration: none; min-height: 44px; }
.brand-mark { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--dark); color: var(--tint); font-size: .75rem; font-weight: 800; letter-spacing: .04em; }
.brand-text { font-size: .73rem; letter-spacing: .15em; font-weight: 750; }
.top-nav { display: flex; align-items: center; gap: 24px; }
.top-nav a { text-decoration: none; font-size: .86rem; font-weight: 650; color: var(--ink-soft); padding: 12px 0; border-bottom: 2px solid transparent; transition: color .2s ease, border-color .2s ease; }
.top-nav a:hover, .top-nav a.active { color: var(--ink); border-color: var(--aqua-strong); }

.section { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; padding: 110px 0; }
.section.compact { padding-top: 56px; }
.section-heading { max-width: 850px; margin-bottom: 48px; }
.section-heading.narrow { max-width: 760px; }
.section-heading > p:last-child { font-size: 1.15rem; color: var(--ink-soft); max-width: 720px; }
.split-heading { max-width: none; display: grid; grid-template-columns: 1.2fr .8fr; gap: 56px; align-items: end; }
.eyebrow { margin-bottom: 16px; font-size: .75rem; font-weight: 800; letter-spacing: .17em; color: var(--aqua-strong); }

.hero { min-height: calc(100dvh - 72px); display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(280px, .62fr); gap: 72px; align-items: end; padding-top: 110px; }
.hero-lead { max-width: 740px; font-size: clamp(1.18rem, 2vw, 1.55rem); color: var(--ink-soft); line-height: 1.5; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 12px 22px; border-radius: 999px; text-decoration: none; font-weight: 750; transition: transform .2s ease, background-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--dark); color: var(--white); }
.button-secondary { border: 1px solid var(--line); background: var(--white); }
.hero-summary { position: relative; padding: 34px; background: var(--dark); color: var(--white); border-radius: 28px; box-shadow: var(--shadow); overflow: hidden; }
.hero-summary::after { content: ""; position: absolute; right: -70px; top: -70px; width: 190px; height: 190px; border: 42px solid var(--lime); border-radius: 50%; opacity: .72; }
.summary-index { display: block; font-variant-numeric: tabular-nums; color: var(--lime); font-weight: 800; margin-bottom: 72px; }
.summary-label { font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; color: var(--aqua); font-weight: 800; }
.summary-text { position: relative; z-index: 1; font-size: 1.3rem; line-height: 1.45; margin-bottom: 0; }

.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.metric-card { min-height: 190px; display: flex; flex-direction: column; justify-content: space-between; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.metric-card strong { font-size: clamp(2.8rem, 5vw, 4.5rem); line-height: 1; letter-spacing: -.06em; }
.metric-card span { color: var(--ink-soft); }
.metric-card.accent { background: var(--lime); border-color: var(--lime); }

.audit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.audit-column { padding: 34px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--white); }
.audit-column.positive { border-top: 7px solid var(--aqua-strong); }
.audit-column.negative { border-top: 7px solid var(--lime); }
.check-list { padding: 0; list-style: none; margin: 24px 0 0; }
.check-list li { position: relative; padding: 14px 0 14px 27px; border-top: 1px solid var(--line); }
.check-list li::before { content: ""; position: absolute; left: 0; top: 22px; width: 8px; height: 8px; border-radius: 50%; background: var(--aqua-strong); }
.negative .check-list li::before { background: #8c9928; }
.critical-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 16px; }
.critical-card { padding: 28px; background: var(--tint); border-radius: var(--radius); }
.critical-card p { color: var(--ink-soft); margin-bottom: 0; }
.tag { display: inline-flex; padding: 5px 10px; margin-bottom: 32px; border-radius: 999px; border: 1px solid var(--aqua-strong); font-size: .7rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }

.section-dark { width: 100%; max-width: none; padding-left: max(24px, calc((100vw - var(--max)) / 2)); padding-right: max(24px, calc((100vw - var(--max)) / 2)); color: var(--white); background: var(--dark); }
.section-dark .eyebrow { color: var(--aqua); }
.funnel { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); }
.funnel article { min-height: 240px; padding: 28px 24px; border-right: 1px solid rgba(255,255,255,.2); }
.funnel article:last-child { border-right: 0; }
.funnel span, .timeline span { color: var(--lime); font-size: .78rem; font-weight: 800; letter-spacing: .1em; }
.funnel h3 { margin-top: 64px; }
.funnel p { color: rgba(255,255,255,.7); margin-bottom: 0; }
.route-box { display: grid; grid-template-columns: 180px 1fr; gap: 32px; align-items: start; margin-top: 32px; padding: 28px; border-radius: var(--radius); background: var(--dark-soft); }
.route-box span { color: var(--aqua); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.route-box p { font-size: 1.15rem; margin-bottom: 0; }
.route-box b { color: var(--lime); padding: 0 5px; }

.strategy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.strategy-card { min-height: 360px; display: flex; flex-direction: column; padding: 30px; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); }
.strategy-card:nth-child(2) { background: var(--tint); }
.strategy-card:nth-child(3) { background: var(--lime); border-color: var(--lime); }
.strategy-card p { color: var(--ink-soft); }
.strategy-card strong { margin-top: auto; font-size: .93rem; }
.card-number { display: block; margin-bottom: 72px; color: var(--aqua-strong); font-weight: 850; }
.channel-block, .mix-block { margin-top: 72px; }
.block-title { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-bottom: 20px; }
.block-title p { max-width: 480px; color: var(--ink-soft); margin-bottom: 0; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { padding: 18px 20px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .73rem; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-soft); }
tbody tr:last-child td { border-bottom: 0; }
td:first-child { font-weight: 750; }
.system-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; margin-top: 16px; }
.system-grid article { padding: 32px; border-radius: var(--radius); background: var(--dark); color: var(--white); }
.system-grid article:nth-child(2) { background: var(--dark-soft); }
.system-grid p, .system-grid li { color: rgba(255,255,255,.78); }
.note { border-top: 1px solid rgba(255,255,255,.2); padding-top: 18px; margin-top: 24px; }

.section-tint { width: 100%; max-width: none; padding-left: max(24px, calc((100vw - var(--max)) / 2)); padding-right: max(24px, calc((100vw - var(--max)) / 2)); background: var(--tint); }
.volume-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.volume-grid article { display: flex; flex-direction: column; min-height: 170px; justify-content: space-between; padding: 26px; border-radius: var(--radius); background: var(--white); }
.volume-grid strong { font-size: 3.2rem; letter-spacing: -.06em; }
.volume-grid span { color: var(--ink-soft); }
.mix-block { display: grid; grid-template-columns: .75fr 1.25fr; gap: 72px; align-items: start; padding: 40px; border-radius: var(--radius); background: var(--dark); color: var(--white); }
.mix-block > div > p { color: rgba(255,255,255,.68); }
.mix-list { display: grid; gap: 14px; }
.mix-list div { display: grid; grid-template-columns: 1fr 34px 190px; align-items: center; gap: 14px; }
.mix-list span { display: block; height: 7px; width: var(--w); min-width: 24px; margin-left: auto; border-radius: 999px; background: var(--lime); }
.mix-list b { color: var(--lime); font-variant-numeric: tabular-nums; }
.mix-list p { margin: 0; color: rgba(255,255,255,.8); }
.subsection-title { margin: 72px 0 22px; font-size: 1.7rem; }
.rubric-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.rubric-grid article { min-height: 300px; display: flex; flex-direction: column; padding: 24px; border-radius: var(--radius); background: var(--white); }
.rubric-grid span { color: var(--aqua-strong); font-weight: 850; }
.rubric-grid h3 { margin-top: 64px; }
.rubric-grid p { color: var(--ink-soft); }
.rubric-grid strong { margin-top: auto; font-size: .85rem; }
.format-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-top: 72px; }
.format-card { padding: 30px; border-top: 5px solid var(--aqua-strong); background: var(--white); border-radius: 0 0 var(--radius) var(--radius); }
.format-card li { margin-bottom: 7px; }
.format-card blockquote { margin-left: 0; padding-left: 18px; border-left: 3px solid var(--lime); color: var(--ink-soft); }

.growth-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.growth-grid article { padding: 36px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.growth-grid p, .growth-grid li { color: var(--ink-soft); }
.mini-route { margin: 24px 0; padding: 18px; border-radius: 12px; background: var(--tint); font-weight: 700; }

.timeline { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.2); }
.timeline article { padding: 28px 24px; border-right: 1px solid rgba(255,255,255,.2); }
.timeline article:last-child { border-right: 0; }
.timeline h3 { margin-top: 60px; }
.timeline ul { padding-left: 18px; color: rgba(255,255,255,.72); }
.timeline li { margin-bottom: 8px; }

.kpi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.kpi-grid article { padding: 34px; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); }
.kpi-grid ul { columns: 2; padding-left: 20px; color: var(--ink-soft); }
.kpi-grid li { break-inside: avoid; margin-bottom: 9px; }

.reference-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.reference-card { min-height: 180px; display: grid; grid-template-columns: 54px 1fr auto; grid-template-areas: "num title link" "num desc link"; column-gap: 18px; align-items: start; padding: 24px; border-radius: var(--radius); background: var(--white); text-decoration: none; border: 1px solid transparent; transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease; }
.reference-card:hover { transform: translateY(-3px); border-color: var(--aqua-strong); box-shadow: var(--shadow); }
.reference-card span { grid-area: num; display: grid; place-items: center; width: 50px; height: 50px; border-radius: 50%; background: var(--dark); color: var(--lime); font-weight: 800; }
.reference-card h3 { grid-area: title; margin: 5px 0 10px; }
.reference-card p { grid-area: desc; color: var(--ink-soft); margin: 0; }
.reference-card b { grid-area: link; align-self: center; font-size: .78rem; color: var(--aqua-strong); white-space: nowrap; }

.legal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.legal-grid article { padding: 32px; border-left: 5px solid var(--aqua-strong); background: var(--white); box-shadow: var(--shadow); }
.legal-grid p { color: var(--ink-soft); margin-bottom: 0; }
.legal-note { margin-top: 22px; color: var(--ink-soft); font-size: .9rem; }
.sources { padding-top: 0; }
.sources details { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sources summary { min-height: 72px; display: flex; align-items: center; cursor: pointer; font-weight: 750; }
.sources-content { max-width: 840px; padding: 0 0 32px; color: var(--ink-soft); }
.sources-content a { color: var(--aqua-strong); text-underline-offset: 3px; }
footer { display: flex; justify-content: space-between; gap: 20px; padding: 32px max(24px, calc((100vw - var(--max)) / 2)); background: var(--dark); color: var(--aqua); font-size: .72rem; font-weight: 750; letter-spacing: .13em; }

@media (max-width: 980px) {
  .top-nav { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; align-items: start; }
  .hero-summary { max-width: 620px; }
  .metric-grid, .volume-grid { grid-template-columns: repeat(2, 1fr); }
  .critical-row, .strategy-grid { grid-template-columns: 1fr; }
  .strategy-card { min-height: 280px; }
  .card-number { margin-bottom: 40px; }
  .funnel { grid-template-columns: repeat(2, 1fr); }
  .funnel article { border-bottom: 1px solid rgba(255,255,255,.2); }
  .funnel article:last-child { grid-column: 1 / -1; }
  .rubric-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .reference-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .section { width: min(100% - 32px, var(--max)); padding: 76px 0; }
  .section-dark, .section-tint { width: 100%; padding-left: 16px; padding-right: 16px; }
  .site-header { padding-left: 16px; padding-right: 16px; }
  .brand-text { display: none; }
  .hero { gap: 42px; padding-top: 72px; }
  h1 { font-size: clamp(3rem, 16vw, 4.7rem); }
  .hero-lead { font-size: 1.08rem; }
  .hero-summary { padding: 26px; }
  .summary-index { margin-bottom: 54px; }
  .summary-text { font-size: 1.08rem; }
  .metric-grid, .audit-grid, .system-grid, .volume-grid, .format-grid, .growth-grid, .kpi-grid, .legal-grid { grid-template-columns: 1fr; }
  .metric-card { min-height: 150px; }
  .split-heading { grid-template-columns: 1fr; gap: 8px; }
  .route-box { grid-template-columns: 1fr; gap: 10px; }
  .block-title { align-items: start; flex-direction: column; }
  .mix-block { grid-template-columns: 1fr; gap: 30px; padding: 26px; }
  .mix-list div { grid-template-columns: 1fr 28px 120px; gap: 8px; font-size: .83rem; }
  .rubric-grid { grid-template-columns: 1fr; }
  .rubric-grid article { min-height: 240px; }
  .rubric-grid h3 { margin-top: 38px; }
  .timeline { grid-template-columns: 1fr; }
  .timeline article { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.2); }
  .timeline h3 { margin-top: 40px; }
  .kpi-grid ul { columns: 1; }
  .reference-card { min-height: 230px; grid-template-columns: 54px 1fr; grid-template-areas: "num title" "desc desc" "link link"; }
  .reference-card b { margin-top: 14px; align-self: end; }
  footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .001ms !important; animation-duration: .001ms !important; }
}

@media print {
  .site-header, .hero-actions { display: none; }
  .section, .section-dark, .section-tint { width: 100%; padding: 28px 0; color: #000; background: #fff; }
  .hero { min-height: auto; }
  .hero-summary, .system-grid article, .mix-block { color: #000; background: #fff; border: 1px solid #999; box-shadow: none; }
  .reference-card { break-inside: avoid; }
}