@font-face { font-family: "Source Serif 4"; font-weight: 400; font-style: normal; font-display: swap; src: url(fonts/source-serif-4-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "Source Serif 4"; font-weight: 400; font-style: italic; font-display: swap; src: url(fonts/source-serif-4-latin-400-italic.woff2) format("woff2"); }
@font-face { font-family: "Source Serif 4"; font-weight: 600; font-style: normal; font-display: swap; src: url(fonts/source-serif-4-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "Source Sans 3"; font-weight: 400; font-style: normal; font-display: swap; src: url(fonts/source-sans-3-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "Source Sans 3"; font-weight: 600; font-style: normal; font-display: swap; src: url(fonts/source-sans-3-latin-600-normal.woff2) format("woff2"); }

:root {
  --paper: #ffffff;
  --surface: #f5f7fa;
  --ink: #0f1f3d;
  --text: #1f2937;
  --muted: #5b6678;
  --line: #e3e8ef;
  --accent: #2457e6;
  --accent-hover: #1a46c2;
  --tint: #e9f0ff;
  --navy: #0b1b36;
  --serif: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: "Source Sans 3", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --gutter: 16px;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(15, 31, 61, 0.05), 0 8px 24px rgba(15, 31, 61, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--text); font-family: var(--sans); font-size: 1.0625rem; line-height: 1.55; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, .btn:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--serif); color: var(--ink); margin: 0; line-height: 1.2; }
h2 { font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.2rem); font-weight: 600; letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0 0 1rem; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 var(--gutter); }
.eyebrow { font-size: 0.9rem; color: var(--muted); margin: 0 0 0.9rem; }
.caption { color: var(--muted); font-size: 0.92rem; margin: 1.2rem 0 0; }

/* Buttons */
.btn { display: inline-block; font-family: var(--sans); font-weight: 600; font-size: 1rem; line-height: 1; padding: 0.85rem 1.3rem; border-radius: 8px; border: 1px solid transparent; text-decoration: none; transition: background-color 0.15s, border-color 0.15s; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: var(--tint); }
.btn-sm { padding: 0.6rem 1rem; font-size: 0.95rem; }
.btn-block { display: block; text-align: center; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav-row { display: flex; align-items: center; gap: 1.5rem; height: 64px; }
.wordmark { font-family: var(--serif); font-weight: 600; font-size: 1.25rem; color: var(--ink); text-decoration: none; letter-spacing: 0.005em; margin: 0; }
.wordmark:hover { text-decoration: none; }
.nav-links { display: flex; gap: 1.4rem; margin-left: auto; font-size: 0.98rem; }
.nav-links a { color: var(--text); }
.nav-links a:hover { color: var(--accent); text-decoration: none; }
.nav .btn { white-space: nowrap; }

/* Hero */
.hero { padding: 4.5rem 0 3.5rem; background: radial-gradient(circle at 1px 1px, var(--line) 1px, transparent 1.2px) 0 0 / 28px 28px; background-color: var(--paper); position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0.95) 100%); pointer-events: none; }
.hero .wrap { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 3rem; align-items: center; }
h1 { font-size: 3.2rem; font-size: clamp(2.2rem, 1.4rem + 3.2vw, 3.6rem); font-weight: 600; letter-spacing: -0.02em; margin: 0 0 1.1rem; max-width: 16ch; }
.lede { font-size: 1.2rem; color: var(--text); max-width: 54ch; margin-bottom: 1.6rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-bottom: 0.9rem; }
.hero-note { color: var(--muted); font-size: 0.95rem; margin: 0; }
.hero-visual { position: relative; min-height: 420px; }
.page { position: absolute; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 4px; }
.page-cover { width: 62%; left: 0; top: 0; }
.page-matrix { width: 52%; right: 0; bottom: 0; }
.page-tag { position: absolute; left: 0; bottom: -0.4rem; background: var(--ink); color: #fff; font-size: 0.85rem; font-weight: 600; padding: 0.35rem 0.7rem; border-radius: 6px; }

/* Proof strip */
.proof { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin: 0; padding: 1.8rem 0; }
.stats dt { font-family: var(--serif); font-size: 2.2rem; line-height: 1.05; color: var(--ink); font-weight: 600; }
.stats dd { margin: 0.3rem 0 0; color: var(--muted); font-size: 0.95rem; max-width: 26ch; }

/* Sections */
.section { padding: 4.5rem 0; }
.section.alt { background: var(--surface); }
.section-head { max-width: 62ch; margin-bottom: 2rem; }
.section-head h2 { margin-bottom: 0.7rem; }
.section-head p { color: var(--muted); font-size: 1.08rem; margin: 0; }

/* Market map */
.legend { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.4rem; }
.market-map { display: grid; grid-template-columns: 3fr 1.2fr 1.2fr; gap: 1.2rem; }
.tier { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.2rem 1rem; }
.tier h3 { font-size: 1.1rem; margin-bottom: 0.25rem; }
.tier-note { color: var(--muted); font-size: 0.92rem; margin-bottom: 0.9rem; }
.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.45rem; }
.chip { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.9rem; line-height: 1; padding: 0.42rem 0.6rem; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--ink); white-space: nowrap; }
.chip i { font-style: normal; font-size: 0.72rem; color: var(--muted); letter-spacing: 0.04em; }
.chip.s0 { color: var(--muted); background: #fff; }
.chip.s1 { border-color: #9db4e8; background: #fff; }
.chip.s2 { background: var(--tint); border-color: #9db4e8; }
.chip.s3 { background: var(--accent); border-color: var(--accent); color: #fff; }
.chip.s3 i { color: rgba(255, 255, 255, 0.75); }

/* Cards */
.cards { display: grid; gap: 1.2rem; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-5 { grid-template-columns: repeat(5, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem 1.4rem 1.3rem; display: flex; flex-direction: column; }
.card h3 { margin: 0 0 0.5rem; font-size: 1.15rem; }
.card p { margin: 0 0 0.9rem; color: var(--text); font-size: 0.98rem; }
.card .meta { margin-top: auto; color: var(--muted); font-size: 0.88rem; }
.card-sm { padding: 1.2rem 1.1rem 1rem; }
.card-sm h3 { font-size: 1.05rem; }
.card-sm p { font-size: 0.93rem; margin: 0; }
.icon { width: 28px; height: 28px; fill: none; stroke: var(--accent); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 0.9rem; }

/* Edition */
.edition-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(300px, 1fr); gap: 1.5rem; align-items: start; }
.report-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 1.6rem; }
.report-cover { border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 3px; }
.report-body h3 { font-size: 1.5rem; margin-bottom: 0.7rem; }
.contents { list-style: none; margin: 0 0 1.3rem; padding: 0; counter-reset: c; font-size: 0.95rem; }
.contents li { counter-increment: c; display: flex; gap: 0.6rem; padding: 0.4rem 0; border-top: 1px solid var(--line); }
.contents li::before { content: counter(c); color: var(--muted); min-width: 1.2rem; }
.contents li span { margin-left: auto; color: var(--muted); }
.thumbs { list-style: none; margin: 0 0 1.3rem; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.8rem; }
.thumbs img { border: 1px solid var(--line); border-radius: 3px; }
.thumbs span { display: block; font-size: 0.82rem; color: var(--muted); margin-top: 0.35rem; }
.price-card { position: sticky; top: 84px; background: var(--ink); color: #fff; border-radius: var(--radius); padding: 1.6rem; }
.price-card .eyebrow { color: rgba(255, 255, 255, 0.7); margin-bottom: 0.3rem; }
.price { font-family: var(--serif); font-size: 2.6rem; font-weight: 600; line-height: 1.1; margin: 0; }
.price-sub { color: rgba(255, 255, 255, 0.75); margin-bottom: 1.1rem; }
.checks { list-style: none; margin: 0 0 1.3rem; padding: 0; font-size: 0.98rem; }
.checks li { padding: 0.35rem 0 0.35rem 1.5rem; position: relative; border-top: 1px solid rgba(255, 255, 255, 0.12); }
.checks li::before { content: ""; position: absolute; left: 0; top: 0.78rem; width: 0.55rem; height: 0.3rem; border-left: 2px solid #9fc0ff; border-bottom: 2px solid #9fc0ff; transform: rotate(-45deg); }
.price-note { color: rgba(255, 255, 255, 0.75); font-size: 0.92rem; margin: 0.9rem 0 0; }
.also { border-top: 1px solid rgba(255, 255, 255, 0.12); margin-top: 1.2rem; padding-top: 1rem; font-size: 0.9rem; color: rgba(255, 255, 255, 0.8); }
.also p { margin: 0 0 0.5rem; }
.also strong { color: #fff; }

/* Steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.steps li { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; }
.step-no { display: inline-flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; border-radius: 50%; background: var(--tint); color: var(--accent); font-weight: 600; margin-bottom: 0.9rem; }
.steps h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.steps p { margin: 0; font-size: 0.98rem; }

/* Method */
.method-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 3rem; align-items: start; }
.pipeline { margin: 0; padding-left: 1.4rem; }
.pipeline li { padding: 0.5rem 0 0.5rem 0.3rem; border-top: 1px solid var(--line); }
.pipeline li:first-child { border-top: none; padding-top: 0; }
.pipeline strong { color: var(--ink); }

/* FAQ */
.faq-wrap { max-width: 760px; }
details { border-top: 1px solid var(--line); padding: 0.2rem 0; }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 600; color: var(--ink); padding: 0.85rem 2rem 0.85rem 0; list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0.2rem; top: 0.7rem; color: var(--muted); font-size: 1.3rem; }
details[open] summary::after { content: "–"; }
details p { margin: 0 0 1rem; color: var(--text); max-width: 68ch; }

/* CTA band */
.cta-band { background: var(--navy); color: #fff; padding: 4rem 0; text-align: center; }
.cta-band h2 { color: #fff; margin-bottom: 0.7rem; }
.cta-band p { color: rgba(255, 255, 255, 0.78); max-width: 52ch; margin: 0 auto 1.6rem; }

/* Footer */
.footer { padding: 2.5rem 0 2rem; font-size: 0.95rem; color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
.footer strong { color: var(--ink); }
.footer p { margin: 0 0 0.5rem; }
.footer .wordmark { font-size: 1.15rem; }
.footer-note { border-top: 1px solid var(--line); margin-top: 1.5rem; padding-top: 1.2rem; font-size: 0.88rem; }

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 0; height: 380px; max-width: 520px; }
  .market-map { grid-template-columns: 1fr; }
  .cards-3 { grid-template-columns: repeat(2, 1fr); }
  .cards-5 { grid-template-columns: repeat(2, 1fr); }
  .edition-grid { grid-template-columns: 1fr; }
  .price-card { position: static; }
  .method-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 1rem; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .hero { padding: 3rem 0 2.5rem; }
  .hero-visual { height: 300px; }
  .section { padding: 3rem 0; }
  .cards-3, .cards-5, .steps { grid-template-columns: 1fr; }
  .report-card { grid-template-columns: 1fr; }
  .report-cover { max-width: 160px; }
  .thumbs { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .stats dt { font-size: 1.8rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }

/* Company details page */
.company { display: grid; grid-template-columns: 11rem minmax(0, 1fr); gap: 0.7rem 1.2rem; margin: 0 0 1.5rem; }
.company dt { font-weight: 600; color: var(--ink); }
.company dd { margin: 0; }
@media (max-width: 640px) { .company { grid-template-columns: 1fr; gap: 0.1rem 0; } .company dd { margin-bottom: 0.7rem; } }