:root{
  --panel:#f4f9fc;
  --panel-brd:#d7e1e8;
  --text:#202124;
  --muted:#565656;
  --brand:#0078d4;
  --accent:#42dffc;
  --hero:#0d2e42;
  --maxw:1140px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0;font-family:"Segoe UI",sans-serif;color:var(--text);background:linear-gradient(180deg,#fff 0%,#f3f8fe 35%,#dceaff 100%);line-height:1.6}
h1,h2,h3,.brand{letter-spacing:0;line-height:1.2}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:3px solid var(--brand);outline-offset:5px}
.hero a:focus-visible{outline-color:var(--accent)}
h2{color:var(--brand)}
.grad{color:#199cdb}

.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:93px;padding:18px max(24px,calc((100% - 1092px)/2));background:#fff}
.brand{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:18px;color:#737373;flex-shrink:0}
.microsoft-mark{display:grid;grid-template-columns:repeat(2,10px);grid-template-rows:repeat(2,10px);gap:2px}
.microsoft-mark i:nth-child(1){background:#f25022}
.microsoft-mark i:nth-child(2){background:#7fba00}
.microsoft-mark i:nth-child(3){background:#00a4ef}
.microsoft-mark i:nth-child(4){background:#ffb900}
.nav-links{display:flex;align-items:center;gap:30px;font-size:14px;color:var(--muted)}
.nav-links a:hover{color:var(--brand)}
.nav-cta{padding:10px 18px;border-radius:999px;color:#fff;background:var(--brand);font-weight:600;white-space:nowrap}
.nav-links .nav-cta:hover{background:#0067b8;color:#fff}

.btn{display:inline-flex;justify-content:center;align-items:center;min-height:52px;padding:13px 24px;border-radius:999px;font-weight:600;font-size:16px;transition:background .2s;border:1px solid transparent;text-align:center}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:#0067b8}
.btn-ghost{border-color:var(--brand);background:#fff;color:var(--brand)}
.btn-ghost:hover{background:#e4f4ff}
.btn-lg{min-height:58px;padding:16px 30px}

.hero{padding:60px max(24px,calc((100% - 1092px)/2)) 45px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:48px;align-items:center;background:var(--hero);color:#fff}
.eyebrow{display:inline-block;font-size:13px;color:var(--accent);font-weight:600;margin-bottom:14px}
.hero h1{font-size:64px;font-weight:700;margin:0 0 22px}
.lede{font-size:24px;margin:0 0 14px;line-height:1.6}
.lede strong{display:block;color:#fff}
.sub{color:#ccdee8;font-size:17px;max-width:350px;margin:0 0 28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap}
.chip{font-size:13px;padding:7px 13px;border:1px solid #e6f4fc;border-radius:999px}
.chip b{font-weight:600}
.hero-visual{display:flex;flex-direction:column;gap:20px;min-width:0}
.cosmos-logo{display:block;align-self:flex-end;width:120px;height:120px;object-fit:contain}
.code-card{border:1px solid var(--accent);border-radius:16px;overflow:hidden}
.code-top{display:flex;align-items:center;gap:7px;padding:12px 16px;background:#fff;border-bottom:1px solid var(--accent);min-height:46px}
.code-top span{width:11px;height:11px;border-radius:50%}
.code-top span:nth-child(1){background:#ff5f57}
.code-top span:nth-child(2){background:#febc2e}
.code-top span:nth-child(3){background:#28c840}
.code-top em{margin-left:auto;font-style:normal;font-size:12px;color:var(--muted)}
.code-card pre{margin:0;padding:20px 22px;font-family:inherit;font-size:14px;line-height:1.75;white-space:pre-wrap;overflow-wrap:anywhere}
.code-card code{font-family:inherit}
.c-com{color:#ccdee8}
.c-key{color:#b38ce8}
.c-fn{color:var(--accent)}
.flow-card{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px;border:1px solid var(--accent);border-radius:12px}
.flow-card .node{font-weight:600;font-size:14px;padding:7px 13px;border-radius:8px;background:var(--brand);border:1px solid var(--accent)}
.flow-card .node-win{background:var(--accent);color:var(--hero)}
.flow-card i{color:#00a4ef;font-style:normal}

.section{max-width:var(--maxw);margin:0 auto;padding:80px 24px}
.section-head{max-width:680px;margin:0 auto 44px;text-align:center}
.kicker{display:inline-block;font-size:13px;color:#005a9e;font-weight:600;margin-bottom:14px}
.section-head h2{font-size:40px;margin:0 0 22px}
.section-head p{color:var(--muted);font-size:17px;margin:0;line-height:1.65}
.section-head em{color:var(--text);font-style:normal;font-weight:600}

.next{padding-top:94px;padding-bottom:28px}
.next-card{border:1px solid #8ed4ff;border-radius:16px;padding:76px 30px 58px;text-align:center;background:var(--panel);box-shadow:0 8px 22px #163a571f}
.next-card h2{font-size:40px;margin:0 0 30px}
.next-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-bottom:40px}
.fact{display:flex;flex-direction:column;align-items:center;gap:6px}
.fact-label{font-size:13px;color:var(--muted);font-weight:600}
.fact-value{font-weight:700;font-size:22px;max-width:260px}
.tbc{color:var(--muted);font-size:14px;margin:16px auto 0;max-width:48ch}

.watch{padding-bottom:80px}
.video-wrap{max-width:900px;margin:0 auto;border:1px solid var(--panel-brd);border-radius:16px;overflow:hidden;background:#10271c;box-shadow:0 20px 32px #17362729;aspect-ratio:16/9}
.video-wrap video{display:block;width:100%;height:100%;object-fit:contain}

.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.card{padding:26px 22px;border:1px solid var(--panel-brd);border-radius:16px;background:#fff;box-shadow:0 10px 22px #1736271a}
.card-ic{width:46px;height:46px;display:grid;place-items:center;border-radius:12px;background:#e3f3fc;margin-bottom:16px}
.card-ic img{width:24px;height:24px}
.card h3{font-size:21px;margin:0 0 8px;font-weight:700}
.card p{color:var(--muted);font-size:15px;margin:0;line-height:1.6}
.card p + p{margin-top:16px}
.card p a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

.journey{list-style:none;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;padding:0;margin:0 0 26px}
.journey li{padding:22px 16px;border:1px solid var(--panel-brd);border-radius:12px;background:var(--panel);text-align:center}
.step-n{display:block;font-size:13px;color:var(--brand);font-weight:600;margin-bottom:6px}
.step-t{font-weight:600;font-size:16px}
.journey-note{max-width:680px;margin:0 auto;text-align:center;color:var(--muted);font-size:16px}

.who{padding-bottom:94px}
.who-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:50px;align-items:center}
.who h2{font-size:40px;margin:0 0 22px}
.who p{color:var(--muted);font-size:17px}
.ticks{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.ticks li{position:relative;padding-left:32px;font-size:16px}
.ticks li::before{content:"\2713";position:absolute;left:0;top:2px;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:#e2f6ff;color:var(--brand);font-size:13px;font-weight:700}
.who-quote blockquote{margin:0;padding:32px;border:1px solid var(--brand);border-left-width:3px;border-radius:8px;background:var(--panel);font-size:22px;line-height:1.45}
.who-quote em{color:var(--brand);font-style:normal}

.foot{border:1px solid var(--panel-brd);background:#fff}
.foot-inner{max-width:var(--maxw);margin:0 auto;padding:28px 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.brand.small{font-size:15px}
.brand.small .microsoft-mark{grid-template-columns:repeat(2,8px);grid-template-rows:repeat(2,8px)}
.foot-meta{color:var(--muted);font-size:14px}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:1100px){
  .nav-links{gap:18px}
  .hero{gap:28px;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .hero h1{font-size:52px}
  .flow-card{gap:5px}
  .flow-card .node{padding:7px 9px}
}
@media(max-width:800px){
  html{scroll-padding-top:150px}
  .nav{flex-wrap:wrap;gap:14px;min-height:80px;padding:16px 24px}
  .nav-links{width:100%;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:13px}
  .nav-cta{padding:7px 12px}
  .hero{grid-template-columns:1fr;padding-top:40px;padding-bottom:40px;gap:28px}
  .hero h1{font-size:48px}
  .hero-visual{width:100%;max-width:540px;margin:0 auto}
  .cosmos-logo{width:88px;height:88px}
  .lede{font-size:22px}
  .sub{max-width:48ch}
  .section{padding:56px 24px}
  .next-card{padding:40px 24px}
  .next-facts{gap:20px}
  .fact-value{font-size:18px}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .journey{grid-template-columns:repeat(3,minmax(0,1fr))}
  .who-grid{grid-template-columns:1fr;gap:28px}
  .section-head h2,.next-card h2,.who h2{font-size:34px}
}
@media(max-width:480px){
  .nav{padding:14px 20px}
  .nav-links{justify-content:flex-start;column-gap:18px;row-gap:10px}
  .hero{padding:36px 20px}
  .hero h1{font-size:42px}
  .lede{font-size:20px}
  .section{padding:44px 20px}
  .section-head{margin-bottom:30px}
  .section-head h2,.next-card h2,.who h2{font-size:30px}
  .cards{grid-template-columns:1fr}
  .next-facts{grid-template-columns:1fr;gap:22px;margin-bottom:28px}
  .next-card{padding:32px 20px}
  .journey{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-card{gap:3px;padding:7px}
  .flow-card .node{font-size:12px;padding:7px 5px}
  .flow-card i{font-size:12px}
  .who-quote blockquote{padding:24px;font-size:20px}
  .hero-badges{gap:8px}
  .chip{padding:6px 10px;font-size:12px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn{transition:none}
}