@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Manrope:wght@500;600;700;800&display=swap");

:root {
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-head: "Manrope", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-soft: #f1f5f9;
  --ink: #0f172a;
  --text: #334155;
  --muted: #64748b;
  --line: rgba(15, 23, 42, 0.09);
  --brand: #0d9488;
  --brand-dark: #0f766e;
  --brand-soft: #ccfbf1;
  --accent: #d97706;
  --navy: #0f172a;
  --white: #fff;
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, .08), 0 1px 2px rgba(15, 23, 42, .05);
  --shadow-lg: 0 22px 50px rgba(15, 23, 42, .12);
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: light; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(circle at 5% 0%, rgba(13,148,136,.08), transparent 30rem),
    radial-gradient(circle at 95% 8%, rgba(217,119,6,.06), transparent 26rem),
    var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid rgba(13,148,136,.35); outline-offset: 3px; border-radius: 6px; }
img, svg { display: block; max-width: 100%; }
strong { color: var(--ink); }
.wrap { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
section { padding: 84px 0; }
section.compact { padding: 56px 0; }
section.tint { background: rgba(255,255,255,.64); border-block: 1px solid rgba(15,23,42,.04); }
h1,h2,h3,h4 { font-family: var(--font-head); color: var(--ink); line-height: 1.08; letter-spacing: -.035em; margin: 0; }
h1 { font-size: clamp(2.65rem, 6vw, 5.4rem); max-width: 13ch; }
h2 { font-size: clamp(2rem, 4vw, 3.35rem); max-width: 18ch; }
h3 { font-size: 1.18rem; letter-spacing: -.02em; }
p { margin: 0; }
.lead { font-size: clamp(1.05rem, 1.8vw, 1.25rem); color: var(--muted); max-width: 72ch; margin-top: 20px; }
.kicker { display: inline-flex; align-items: center; gap: 8px; padding: 7px 11px; border-radius: 999px; background: #f0fdfa; color: var(--brand-dark); font-size: .74rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 20px; }
.kicker::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 5px rgba(13,148,136,.10); }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(248,250,252,.88); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(15,23,42,.06); }
.nav { width: min(calc(100% - 40px), var(--max)); height: 72px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.wordmark { display: flex; align-items: center; gap: 12px; text-decoration: none; font-family: var(--font-head); font-weight: 800; color: var(--ink); letter-spacing: -.04em; }
.mark { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; color: var(--white); background: linear-gradient(135deg,var(--brand),var(--brand-dark)); box-shadow: var(--shadow-sm); font-size: .8rem; letter-spacing: -.05em; }
.wordmark small { color: var(--muted); font-size: .67rem; font-family: var(--font-body); font-weight: 700; letter-spacing: 0; margin-left: 2px; }
.nav-links { display: flex; align-items: center; gap: 22px; font-size: .88rem; font-weight: 700; }
.nav-links a { text-decoration: none; color: #475569; }
.nav-links a:hover { color: var(--brand-dark); }
.nav-cta { padding: 10px 14px; border-radius: 10px; background: var(--ink); color: var(--white)!important; }

.hero { padding: 92px 0 76px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 58px; align-items: center; }
.hero-copy > p { font-size: clamp(1.08rem, 2vw, 1.3rem); color: #475569; max-width: 66ch; margin: 24px 0 0; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 19px; border-radius: 12px; text-decoration: none; font-weight: 800; font-size: .92rem; transition: transform .16s ease, box-shadow .16s ease, background .16s ease; }
.btn:hover { transform: translateY(-1px); }
.btn.primary { color: var(--white); background: var(--brand); box-shadow: 0 8px 24px rgba(13,148,136,.18); }
.btn.primary:hover { background: var(--brand-dark); }
.btn.secondary { color: var(--ink); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.proofline { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 28px; color: var(--muted); font-size: .82rem; font-weight: 650; }
.proofline span::before { content: "✓"; color: var(--brand); font-weight: 900; margin-right: 7px; }

.console { position: relative; background: var(--navy); color: #cbd5e1; border-radius: var(--radius-lg); padding: 22px; box-shadow: var(--shadow-lg); overflow: hidden; border: 1px solid rgba(255,255,255,.08); }
.console::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 85% 12%, rgba(13,148,136,.23), transparent 36%), radial-gradient(circle at 5% 90%, rgba(217,119,6,.13), transparent 32%); pointer-events: none; }
.console-top { position: relative; display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,.09); }
.console-brand { color: white; font-family: var(--font-head); font-weight: 800; }
.status { display: inline-flex; gap: 7px; align-items: center; font-size: .72rem; color: #99f6e4; font-weight: 700; }
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #2dd4bf; box-shadow: 0 0 0 4px rgba(45,212,191,.12); }
.console-grid { position: relative; display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; margin-top: 18px; }
.metric { min-height: 118px; padding: 17px; border-radius: 15px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.07); }
.metric span { display:block; color:#94a3b8; font-size:.73rem; text-transform:uppercase; letter-spacing:.08em; font-weight:700; }
.metric strong { display:block; color:white; font-size:1.38rem; margin-top:8px; font-family:var(--font-head); }
.metric small { display:block; margin-top:8px; color:#94a3b8; }
.route { position: relative; margin-top: 12px; padding: 17px; border-radius: 15px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.07); }
.route-row { display: grid; grid-template-columns: 1fr auto 1fr; align-items:center; gap:10px; font-size:.78rem; }
.route-box { padding: 10px 12px; border-radius: 10px; background: rgba(15,23,42,.65); text-align:center; color:#e2e8f0; font-weight:700; }
.route-arrow { color:#5eead4; }

.trustbar { padding: 20px 0; border-block: 1px solid var(--line); background: rgba(255,255,255,.7); }
.trustbar .wrap { display: flex; gap: 12px 28px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.trustbar strong { font-size: .82rem; }
.trust-items { display:flex; gap:10px; flex-wrap:wrap; }
.trust-items span { padding:7px 10px; border:1px solid var(--line); border-radius:999px; background:white; font-size:.75rem; font-weight:700; color:#475569; }

.heading-row { display:flex; justify-content:space-between; align-items:end; gap:40px; margin-bottom:36px; }
.heading-row .lead { max-width: 56ch; margin:0; }
.grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.card { background: rgba(255,255,255,.82); border:1px solid var(--line); border-radius:var(--radius); padding:26px; box-shadow:var(--shadow-sm); }
.card .num { width:36px; height:36px; display:grid; place-items:center; border-radius:10px; background:#f0fdfa; color:var(--brand-dark); font-weight:900; font-size:.78rem; margin-bottom:20px; }
.card p { margin-top:11px; color:var(--muted); font-size:.91rem; }
.card ul { margin:16px 0 0; padding:0; list-style:none; }
.card li { position:relative; padding:7px 0 7px 20px; color:#475569; font-size:.86rem; }
.card li::before { content:"•"; position:absolute; left:3px; color:var(--brand); font-weight:900; }
.card.link-card { transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease; }
.card.link-card:hover { transform:translateY(-3px); box-shadow:var(--shadow-lg); border-color:rgba(13,148,136,.4); }
.card.link-card a { display:inline-block; margin-top:15px; color:var(--brand-dark); font-weight:800; text-decoration:none; font-size:.86rem; }

.audience { display:grid; grid-template-columns:.8fr 1.2fr; gap:54px; align-items:start; }
.audience-list { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.audience-item { background:white; border:1px solid var(--line); border-radius:15px; padding:18px; }
.audience-item strong { display:block; font-size:.9rem; }
.audience-item span { display:block; color:var(--muted); margin-top:6px; font-size:.82rem; line-height:1.5; }

.dark-section { color:#cbd5e1; background:var(--navy); position:relative; overflow:hidden; }
.dark-section::before { content:""; position:absolute; width:650px; height:650px; border-radius:50%; top:-350px; right:-200px; background:rgba(13,148,136,.15); filter:blur(10px); }
.dark-section h2,.dark-section h3,.dark-section strong { color:white; }
.dark-section .lead { color:#94a3b8; }
.steps { position:relative; display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-top:38px; }
.step { padding:22px; border:1px solid rgba(255,255,255,.09); border-radius:16px; background:rgba(255,255,255,.045); }
.step b { display:block; color:#5eead4; font-size:.73rem; text-transform:uppercase; letter-spacing:.08em; margin-bottom:12px; }
.step p { margin-top:9px; color:#94a3b8; font-size:.85rem; }
.notice { position:relative; margin-top:22px; padding:18px 20px; border-radius:14px; border:1px solid rgba(94,234,212,.18); background:rgba(13,148,136,.08); font-size:.87rem; color:#cbd5e1; }
.notice strong { color:#99f6e4; }

.split { display:grid; grid-template-columns:1fr 1fr; gap:52px; align-items:center; }
.checks { display:grid; gap:11px; margin-top:25px; }
.check { display:flex; gap:12px; align-items:flex-start; padding:14px 16px; background:white; border:1px solid var(--line); border-radius:13px; }
.check i { font-style:normal; width:24px; height:24px; flex:0 0 24px; display:grid; place-items:center; border-radius:50%; background:#ccfbf1; color:var(--brand-dark); font-weight:900; font-size:.72rem; }
.check span { font-size:.9rem; }
.codecard { background:#07101f; border-radius:var(--radius); box-shadow:var(--shadow-lg); overflow:hidden; color:#cbd5e1; }
.codehead { display:flex; justify-content:space-between; align-items:center; padding:14px 18px; border-bottom:1px solid rgba(255,255,255,.08); color:#94a3b8; font-size:.72rem; font-weight:700; }
pre { margin:0; padding:22px; overflow:auto; font: .78rem/1.7 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace; }
.code-key { color:#5eead4; }.code-string{color:#fde68a;}.code-comment{color:#64748b;}

.faq { display:grid; grid-template-columns:.72fr 1.28fr; gap:56px; align-items:start; }
.faq-list { display:grid; gap:10px; }
details { background:white; border:1px solid var(--line); border-radius:14px; padding:0 18px; }
summary { cursor:pointer; color:var(--ink); font-weight:800; padding:17px 28px 17px 0; position:relative; list-style:none; font-size:.92rem; }
summary::-webkit-details-marker { display:none; }
summary::after { content:"+"; position:absolute; right:0; top:15px; color:var(--brand); font-size:1.25rem; }
details[open] summary::after { content:"−"; }
details p { padding:0 0 18px; color:var(--muted); font-size:.88rem; }

.cta-box { background:linear-gradient(120deg,#0f172a,#162a3d); border-radius:var(--radius-lg); padding:48px; color:#cbd5e1; display:grid; grid-template-columns:1.25fr .75fr; gap:38px; align-items:center; box-shadow:var(--shadow-lg); position:relative; overflow:hidden; }
.cta-box::after { content:""; position:absolute; width:360px; height:360px; right:-170px; bottom:-210px; border-radius:50%; background:rgba(13,148,136,.22); }
.cta-box h2 { color:white; max-width:16ch; }
.cta-box p { margin-top:15px; color:#94a3b8; max-width:60ch; }
.cta-box .actions { justify-content:flex-end; margin:0; position:relative; z-index:1; }
.cta-box .btn.secondary { background:transparent; color:white; border-color:rgba(255,255,255,.18); box-shadow:none; }

.breadcrumb { padding:22px 0 0; color:var(--muted); font-size:.78rem; }
.breadcrumb a { color:var(--brand-dark); text-decoration:none; font-weight:700; }
.article-hero { padding:64px 0 52px; }
.article-hero h1 { max-width:15ch; font-size:clamp(2.5rem,5vw,4.7rem); }
.article-hero .lead { max-width:76ch; }
.article-layout { display:grid; grid-template-columns:260px minmax(0,1fr); gap:52px; align-items:start; }
.toc { position:sticky; top:94px; padding:18px; background:white; border:1px solid var(--line); border-radius:14px; }
.toc strong { display:block; font-size:.78rem; text-transform:uppercase; letter-spacing:.08em; margin-bottom:10px; }
.toc a { display:block; padding:7px 0; color:var(--muted); text-decoration:none; font-size:.8rem; }
.toc a:hover { color:var(--brand-dark); }
.prose { min-width:0; }
.prose section { padding:0 0 60px; }
.prose h2 { max-width:none; font-size:clamp(1.6rem,3vw,2.35rem); }
.prose h3 { margin-top:28px; }
.prose p { margin-top:15px; max-width:78ch; }
.prose ul,.prose ol { max-width:76ch; color:#475569; }
.prose li { margin:8px 0; }
.callout { margin-top:22px; padding:20px; border-left:4px solid var(--brand); border-radius:0 12px 12px 0; background:#f0fdfa; }
.callout p { margin:0; }
.reg-table { width:100%; border-collapse:collapse; margin-top:24px; background:white; border-radius:14px; overflow:hidden; box-shadow:var(--shadow-sm); }
.reg-table th,.reg-table td { padding:13px 15px; border-bottom:1px solid var(--line); text-align:left; vertical-align:top; font-size:.83rem; }
.reg-table th { color:var(--ink); background:#f8fafc; font-size:.75rem; text-transform:uppercase; letter-spacing:.05em; }
.reg-table tr:last-child td { border-bottom:0; }
.source-links { display:flex; flex-wrap:wrap; gap:9px; margin-top:20px; }
.source-links a { padding:9px 11px; border:1px solid var(--line); background:white; border-radius:9px; color:var(--brand-dark); font-weight:750; font-size:.78rem; text-decoration:none; }

.site-footer { padding:42px 0; border-top:1px solid var(--line); background:white; }
.footer-grid { display:grid; grid-template-columns:1fr auto; gap:30px; align-items:end; }
.footer-brand p { margin-top:10px; color:var(--muted); font-size:.78rem; max-width:58ch; }
.footer-links { display:flex; flex-wrap:wrap; justify-content:flex-end; gap:12px 18px; }
.footer-links a { color:var(--muted); font-size:.76rem; text-decoration:none; font-weight:650; }
.footer-links a:hover { color:var(--brand-dark); }
.legal-note { margin-top:18px; padding-top:18px; border-top:1px solid var(--line); color:#94a3b8; font-size:.7rem; }

@media (max-width: 980px) {
  .nav-links a:not(.nav-cta) { display:none; }
  .hero-grid,.audience,.split,.faq,.cta-box,.article-layout { grid-template-columns:1fr; }
  .hero-grid { gap:38px; }
  .grid { grid-template-columns:1fr 1fr; }
  .steps { grid-template-columns:1fr 1fr; }
  .heading-row { display:block; }
  .heading-row .lead { margin-top:18px; }
  .cta-box .actions { justify-content:flex-start; }
  .toc { display:none; }
}
@media (max-width: 650px) {
  .wrap,.nav { width:min(calc(100% - 28px),var(--max)); }
  section { padding:64px 0; }
  .hero { padding:64px 0 54px; }
  h1 { font-size:clamp(2.5rem,12vw,4rem); }
  .grid,.audience-list,.steps,.console-grid { grid-template-columns:1fr; }
  .card { padding:22px; }
  .cta-box { padding:30px 24px; }
  .footer-grid { grid-template-columns:1fr; }
  .footer-links { justify-content:flex-start; }
  .route-row { grid-template-columns:1fr; }
  .route-arrow { transform:rotate(90deg); text-align:center; }
  .reg-table { display:block; overflow-x:auto; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *,*::before,*::after { transition:none!important; }
}