:root{color-scheme:dark;--bg:#050505;--surface:#101415;--surface2:#151b1e;--text:#f3f6f8;--muted:#a9b2b8;--primary:#60aaff;--success:#72e2b3;--warning:#ffd38a;--border:rgba(255,255,255,.12)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
body{margin:0;background:radial-gradient(circle at 75% 10%,rgba(57,137,226,.14),transparent 30%),var(--bg)}
a{color:inherit}
.header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--border);background:rgba(5,5,5,.9);backdrop-filter:blur(16px)}
.nav,.container,.footer-inner{width:min(1120px,calc(100% - 32px));margin:auto}
.nav{min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-weight:850;letter-spacing:.1em;text-decoration:none}
.back{color:var(--muted);font-size:14px;text-decoration:none}
.back:hover{color:#fff}
.hero{padding:72px 0 56px}
.hero-grid{display:grid;gap:44px;grid-template-columns:1.05fr .95fr;align-items:center}
.eyebrow{margin:0 0 16px;color:var(--primary);font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
h1,h2,h3{color:#fff;line-height:1.12}
h1{font-size:clamp(40px,6vw,68px);margin:0}
h2{font-size:clamp(30px,4vw,45px);margin:0 0 18px}
h3{font-size:20px;margin:0 0 10px}
.lead{max-width:720px;margin:24px 0 0;color:var(--muted);font-size:19px;line-height:1.75}
.hero-image{position:relative;min-height:420px;overflow:hidden;border:1px solid var(--border);border-radius:24px}
.hero-image img{position:absolute;width:100%;height:100%;object-fit:cover;opacity:.7}
.hero-image:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(5,5,5,.88),transparent 65%)}
.hero-label{position:absolute;z-index:1;left:24px;right:24px;bottom:22px;font-size:13px;color:#dbe7f3}
.note{margin-top:28px;padding:14px 16px;border:1px solid rgba(96,170,255,.28);border-radius:12px;background:rgba(96,170,255,.08);color:#cbd8e2;font-size:14px}
.section{padding:70px 0;border-top:1px solid rgba(255,255,255,.07)}
.section-intro{max-width:760px;margin-bottom:34px}
.section-intro p,.card p,.step p,li{color:var(--muted)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{padding:24px;border:1px solid var(--border);border-radius:16px;background:rgba(255,255,255,.035)}
.card strong{display:block;margin-bottom:8px;color:#fff}
.before{border-color:rgba(255,211,138,.25)}
.after{border-color:rgba(114,226,179,.25)}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:28px;align-items:stretch;margin-top:36px}
.step{position:relative;min-height:170px;padding:20px;border:1px solid var(--border);border-radius:15px;background:linear-gradient(145deg,var(--surface2),#0b0d0e)}
.step:not(:last-child):after{content:"→";position:absolute;right:-23px;top:50%;color:var(--primary);font-size:24px;transform:translateY(-50%)}
.step-number{display:inline-grid;width:30px;height:30px;place-items:center;margin-bottom:20px;border-radius:50%;background:rgba(96,170,255,.13);color:var(--primary);font:700 12px monospace}
.checkpoint{margin-top:14px;color:var(--success);font-size:12px;font-weight:700;text-transform:uppercase}
.example{overflow:hidden;border:1px solid var(--border);border-radius:16px}
.example-row{display:grid;grid-template-columns:170px 1fr;border-top:1px solid var(--border)}
.example-row:first-child{border-top:0}
.example-row strong,.example-row span{padding:15px 18px}
.example-row strong{background:rgba(255,255,255,.035);color:#fff}
.example-row span{color:var(--muted)}
.metric{padding:22px;border-left:3px solid var(--primary);background:rgba(96,170,255,.06)}
.metric strong{font-size:28px;color:#fff}
.metric span{display:block;margin-top:7px;color:var(--muted);font-size:14px}
.cta{padding:76px 0;text-align:center;background:linear-gradient(180deg,transparent,rgba(96,170,255,.08))}
.cta p{max-width:650px;margin:18px auto 28px;color:var(--muted);font-size:18px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:9px;background:var(--primary);color:#041322;font-weight:800;text-decoration:none}
.button:hover{filter:brightness(1.1)}
.footer-inner{padding:28px 0;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:13px}
@media(max-width:900px){.hero-grid,.grid-2,.grid-3{grid-template-columns:1fr}.hero-image{min-height:340px}.flow{grid-template-columns:1fr}.step{min-height:0}.step:not(:last-child):after{content:"↓";right:auto;left:50%;top:auto;bottom:-29px;transform:translateX(-50%)}}
@media(max-width:600px){.hero{padding-top:48px}.section{padding:52px 0}.example-row{grid-template-columns:1fr}.example-row strong{padding-bottom:5px}.example-row span{padding-top:5px}.footer-inner{flex-direction:column}}
@media(prefers-reduced-motion:no-preference){.step{transition:transform .25s,border-color .25s}.step:hover{transform:translateY(-4px);border-color:rgba(96,170,255,.4)}}