:root {
  --ink: #0b1220;
  --ink-soft: #253149;
  --paper: #f7f7f2;
  --surface: #ffffff;
  --line: #dfe3e8;
  --orange: #ff6b35;
  --orange-dark: #d94d1e;
  --mint: #2dd4bf;
  --blue: #4f7cff;
  --muted: #647087;
  --radius: 18px;
  --shadow: 0 24px 70px rgba(11, 18, 32, .12);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; }
code, pre { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }

.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 999; }
.skip-link:focus { left: 8px; background: #fff; padding: 8px 12px; }
.container { margin: 0 auto; max-width: var(--max); padding: 0 24px; }
.eyebrow { color: var(--orange-dark); font-size: .78rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.muted { color: var(--muted); }

.site-header { background: rgba(247, 247, 242, .92); border-bottom: 1px solid rgba(11, 18, 32, .08); position: sticky; top: 0; z-index: 40; backdrop-filter: blur(16px); }
.header-inner { align-items: center; display: flex; height: 76px; justify-content: space-between; }
.brand { align-items: center; display: inline-flex; font-size: 1.02rem; font-weight: 850; gap: 11px; text-decoration: none; }
.brand img { height: 38px; width: 38px; }
.brand span span { color: var(--orange-dark); }
.nav { align-items: center; display: flex; gap: 28px; }
.nav a { color: var(--ink-soft); font-size: .94rem; font-weight: 650; text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--orange-dark); }
.menu-toggle { background: transparent; border: 0; display: none; padding: 8px; }
.menu-toggle span { background: var(--ink); display: block; height: 2px; margin: 5px; width: 24px; }

.button { align-items: center; background: var(--orange); border: 1px solid var(--orange); border-radius: 999px; color: #fff; display: inline-flex; font-weight: 800; gap: 8px; justify-content: center; padding: 12px 20px; text-decoration: none; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { background: var(--orange-dark); box-shadow: 0 12px 28px rgba(217, 77, 30, .22); transform: translateY(-2px); }
.button.secondary { background: transparent; border-color: rgba(11, 18, 32, .22); color: var(--ink); }
.button.secondary:hover { background: #fff; box-shadow: none; }
.button.small { padding: 8px 15px; }

.hero { overflow: hidden; padding: 96px 0 86px; position: relative; }
.hero::before { background: radial-gradient(circle, rgba(79,124,255,.16), transparent 65%); content: ""; height: 560px; position: absolute; right: -180px; top: -180px; width: 560px; }
.hero-grid { align-items: center; display: grid; gap: 72px; grid-template-columns: minmax(0, 1.02fr) minmax(430px, .98fr); }
.hero h1 { font-size: clamp(3.2rem, 6vw, 6rem); letter-spacing: -.065em; line-height: .97; margin: 13px 0 25px; max-width: 760px; }
.hero h1 em { color: var(--orange-dark); font-style: normal; }
.hero-copy > p { color: var(--ink-soft); font-size: 1.16rem; max-width: 650px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-note { color: var(--muted); font-size: .85rem; margin-top: 14px; }

.dashboard-mock { background: var(--ink); border: 1px solid rgba(255,255,255,.12); border-radius: 24px; box-shadow: var(--shadow); color: #fff; padding: 22px; position: relative; transform: rotate(1.2deg); }
.dashboard-mock::after { border: 1px solid rgba(11,18,32,.2); border-radius: 24px; bottom: -18px; content: ""; left: -18px; position: absolute; right: 18px; top: 18px; z-index: -1; }
.mock-top { align-items: center; display: flex; justify-content: space-between; margin-bottom: 20px; }
.mock-dots { display: flex; gap: 7px; }
.mock-dots i { background: #3a465d; border-radius: 50%; height: 8px; width: 8px; }
.mock-status { background: rgba(45,212,191,.16); border: 1px solid rgba(45,212,191,.35); border-radius: 99px; color: #7ef5e5; font-size: .76rem; padding: 5px 9px; }
.mock-stats { display: grid; gap: 10px; grid-template-columns: repeat(3, 1fr); }
.mock-stat { background: #151f31; border: 1px solid #29344a; border-radius: 13px; padding: 14px; }
.mock-stat small { color: #8f9bb0; display: block; }
.mock-stat strong { display: block; font-size: 1.25rem; margin-top: 4px; }
.mock-feeds { display: grid; gap: 9px; margin-top: 13px; }
.mock-feed { align-items: center; background: #111a2a; border: 1px solid #29344a; border-radius: 13px; display: grid; gap: 12px; grid-template-columns: 38px 1fr auto; padding: 12px; }
.feed-icon { align-items: center; background: #24314a; border-radius: 10px; display: flex; font-weight: 900; height: 38px; justify-content: center; }
.mock-feed small { color: #8f9bb0; display: block; }
.dot-live { background: var(--mint); border-radius: 50%; height: 9px; width: 9px; }

.proof-strip { border-bottom: 1px solid var(--line); border-top: 1px solid var(--line); padding: 20px 0; }
.proof-inner { align-items: center; display: flex; flex-wrap: wrap; gap: 28px; justify-content: space-between; }
.proof-inner > span { color: var(--muted); font-size: .84rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.platforms { display: flex; flex-wrap: wrap; gap: 10px; }
.platforms span { background: #fff; border: 1px solid var(--line); border-radius: 999px; font-weight: 800; padding: 7px 13px; }

.section { padding: 94px 0; }
.section.alt { background: var(--surface); border-bottom: 1px solid var(--line); border-top: 1px solid var(--line); }
.section-head { margin-bottom: 42px; max-width: 760px; }
.section-head h2 { font-size: clamp(2.2rem, 4vw, 4rem); letter-spacing: -.045em; line-height: 1.06; margin: 8px 0 16px; }
.section-head p { color: var(--muted); font-size: 1.08rem; }
.cards { display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.card.dark { background: var(--ink); border-color: var(--ink); color: #fff; }
.card h3 { font-size: 1.32rem; letter-spacing: -.02em; margin: 19px 0 10px; }
.card p { color: var(--muted); margin-bottom: 0; }
.card.dark p { color: #aab4c6; }
.number { align-items: center; background: #fff3ed; border-radius: 12px; color: var(--orange-dark); display: inline-flex; font-weight: 900; height: 42px; justify-content: center; width: 42px; }
.channel-mark { align-items: center; border: 1px solid var(--line); border-radius: 13px; display: inline-flex; font-size: 1.2rem; font-weight: 900; height: 48px; justify-content: center; width: 48px; }

.split { align-items: center; display: grid; gap: 70px; grid-template-columns: 1fr 1fr; }
.split h2 { font-size: clamp(2.2rem, 4vw, 3.8rem); letter-spacing: -.045em; line-height: 1.05; margin: 8px 0 18px; }
.check-list { list-style: none; margin: 26px 0 0; padding: 0; }
.check-list li { border-top: 1px solid var(--line); padding: 14px 0 14px 30px; position: relative; }
.check-list li::before { color: var(--orange-dark); content: "✓"; font-weight: 900; left: 0; position: absolute; }
.code-panel { background: var(--ink); border-radius: 20px; box-shadow: var(--shadow); color: #dfe7f5; overflow: hidden; }
.code-title { align-items: center; background: #151f31; border-bottom: 1px solid #2b3650; display: flex; font-size: .82rem; justify-content: space-between; padding: 12px 18px; }
.code-panel pre { margin: 0; overflow-x: auto; padding: 25px; }
.code-panel .key { color: #7dd3fc; }
.code-panel .str { color: #86efac; }

.steps { counter-reset: step; display: grid; gap: 0; }
.step { border-top: 1px solid var(--line); display: grid; gap: 24px; grid-template-columns: 72px 1fr; padding: 24px 0; }
.step::before { align-items: center; background: var(--ink); border-radius: 50%; color: #fff; content: counter(step); counter-increment: step; display: flex; font-weight: 900; height: 44px; justify-content: center; width: 44px; }
.step h3 { margin: 0 0 6px; }
.step p { color: var(--muted); margin: 0; }

.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 20px 0; }
.faq summary { cursor: pointer; font-size: 1.08rem; font-weight: 800; list-style: none; padding-right: 32px; position: relative; }
.faq summary::after { content: "+"; font-size: 1.4rem; position: absolute; right: 4px; top: -3px; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--muted); max-width: 850px; }

.cta { background: var(--ink); border-radius: 26px; color: #fff; display: grid; gap: 40px; grid-template-columns: 1fr auto; padding: 48px; }
.cta h2 { font-size: clamp(2rem, 4vw, 3.5rem); letter-spacing: -.04em; line-height: 1.04; margin: 0 0 10px; }
.cta p { color: #aeb8ca; margin: 0; }
.cta-actions { align-items: center; display: flex; gap: 10px; }
.cta .button.secondary { border-color: #5c687e; color: #fff; }
.cta .button.secondary:hover { background: #151f31; }

.site-footer { padding: 55px 0 30px; }
.footer-grid { display: grid; gap: 35px; grid-template-columns: 1.5fr repeat(3, 1fr); }
.footer-grid h3 { font-size: .84rem; letter-spacing: .08em; text-transform: uppercase; }
.footer-grid a { color: var(--muted); display: block; margin: 8px 0; text-decoration: none; }
.footer-grid a:hover { color: var(--orange-dark); }
.footer-bottom { border-top: 1px solid var(--line); color: var(--muted); display: flex; font-size: .86rem; justify-content: space-between; margin-top: 42px; padding-top: 22px; }

.page-hero { background: #fff; border-bottom: 1px solid var(--line); padding: 74px 0 60px; }
.page-hero h1 { font-size: clamp(2.7rem, 5vw, 5rem); letter-spacing: -.055em; line-height: 1; margin: 10px 0 18px; }
.page-hero p { color: var(--muted); font-size: 1.1rem; max-width: 720px; }
.breadcrumbs { color: var(--muted); font-size: .86rem; }
.breadcrumbs a { color: var(--orange-dark); text-decoration: none; }

.docs-layout { display: grid; gap: 60px; grid-template-columns: 240px minmax(0, 760px); padding: 58px 0 90px; }
.docs-nav { align-self: start; position: sticky; top: 104px; }
.docs-nav strong { display: block; margin-bottom: 12px; }
.docs-nav a { border-left: 2px solid var(--line); color: var(--muted); display: block; padding: 7px 12px; text-decoration: none; }
.docs-nav a:hover, .docs-nav a[aria-current="page"] { border-left-color: var(--orange); color: var(--ink); }
.docs-content h2 { font-size: 2rem; letter-spacing: -.03em; margin: 46px 0 12px; scroll-margin-top: 100px; }
.docs-content h2:first-child { margin-top: 0; }
.docs-content h3 { margin-top: 30px; }
.docs-content p, .docs-content li { color: var(--ink-soft); }
.docs-content code { background: #e9ebed; border-radius: 5px; font-size: .88em; padding: 2px 6px; }
.docs-content pre { background: var(--ink); border-radius: 14px; color: #dfe7f5; overflow-x: auto; padding: 20px; }
.docs-content pre code { background: none; padding: 0; }
.callout { background: #fff3ed; border-left: 4px solid var(--orange); border-radius: 0 12px 12px 0; margin: 24px 0; padding: 16px 18px; }
.callout.info { background: #edf3ff; border-left-color: var(--blue); }
.doc-cards { display: grid; gap: 14px; grid-template-columns: repeat(2, 1fr); }
.doc-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 20px; text-decoration: none; }
.doc-card:hover { border-color: var(--orange); }
.doc-card strong { display: block; margin-bottom: 4px; }
.doc-card span { color: var(--muted); font-size: .9rem; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; }
th, td { border-bottom: 1px solid var(--line); padding: 12px; text-align: left; vertical-align: top; }
th { font-size: .82rem; letter-spacing: .06em; text-transform: uppercase; }

.download-card { background: #fff; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); display: grid; gap: 30px; grid-template-columns: 1fr auto; margin: 52px auto; max-width: 900px; padding: 38px; }
.download-meta { color: var(--muted); display: flex; flex-wrap: wrap; font-size: .9rem; gap: 18px; }
.download-actions { align-items: center; display: flex; }
.requirements { display: grid; gap: 14px; grid-template-columns: repeat(4, 1fr); }
.requirement { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.requirement strong { display: block; }
.requirement span { color: var(--muted); font-size: .87rem; }

@media (max-width: 900px) {
  .hero-grid, .split, .cta { grid-template-columns: 1fr; }
  .hero-grid { gap: 50px; }
  .dashboard-mock { margin: 0 auto; max-width: 620px; width: 100%; }
  .cards { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 2; }
  .docs-layout { gap: 35px; grid-template-columns: 200px minmax(0, 1fr); }
  .requirements { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .container { padding: 0 18px; }
  .header-inner { height: 68px; }
  .menu-toggle { display: block; }
  .nav { align-items: stretch; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 20px 35px rgba(11,18,32,.08); display: none; flex-direction: column; gap: 0; left: 0; padding: 14px 18px 20px; position: absolute; right: 0; top: 68px; }
  .nav.is-open { display: flex; }
  .nav a { padding: 10px 4px; }
  .nav .button { margin-top: 6px; }
  .hero { padding: 70px 0 62px; }
  .hero h1 { font-size: 3.35rem; }
  .hero-grid { grid-template-columns: 1fr; }
  .mock-stats { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
  .cards, .doc-cards { grid-template-columns: 1fr; }
  .proof-inner { align-items: flex-start; flex-direction: column; }
  .cta { padding: 32px 24px; }
  .cta-actions { align-items: stretch; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-nav { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 15px; position: static; }
  .download-card { grid-template-columns: 1fr; padding: 26px; }
  .download-actions { align-items: stretch; }
  .download-actions .button { width: 100%; }
  .requirements { grid-template-columns: 1fr; }
}

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