:root{--blue:#1565c0;--blue-d:#0d3c7a;--sky:#e8f1fb;--ink:#14213d;--muted:#55627a;--line:#dbe3ef;--bg:#fff;--card:#f6f9fd;--ok:#1f9d55}
@media (prefers-color-scheme:dark){:root{--blue:#6cb0ff;--blue-d:#9ccaff;--sky:#12233c;--ink:#e8eefb;--muted:#a3b1c9;--line:#26354f;--bg:#0c1524;--card:#111e33}}
*{box-sizing:border-box}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
img{max-width:100%;height:auto}
a{color:var(--blue)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.site{border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:5}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.25rem;color:var(--ink);text-decoration:none}
.brand img{width:40px;height:34px;object-fit:contain;mix-blend-mode:multiply}
@media (prefers-color-scheme:dark){.brand img,.hero img.logo{mix-blend-mode:normal;border-radius:10px;background:#f8f8f6}}
nav.main{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
nav.main a{color:var(--muted);text-decoration:none;font-weight:500}
nav.main a:hover,nav.main a[aria-current]{color:var(--blue)}
.btn{display:inline-block;background:var(--blue);color:#fff!important;padding:11px 22px;border-radius:999px;font-weight:600;text-decoration:none}
@media (prefers-color-scheme:dark){.btn{color:#0c1524!important}}
.btn:hover{filter:brightness(1.1)}
.btn.ghost{background:transparent;color:var(--blue)!important;border:2px solid var(--blue)}
nav.main .btn{padding:8px 18px;color:#fff}
.hero{background:linear-gradient(180deg,var(--sky),var(--bg));padding:64px 0 48px}
.hero .wrap{display:grid;grid-template-columns:1.3fr 1fr;gap:32px;align-items:center}
.hero h1{font-size:clamp(2rem,5vw,3rem);line-height:1.15;margin:0 0 16px}
.hero p.lead{font-size:1.15rem;color:var(--muted);margin:0 0 24px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.hero img.logo{mix-blend-mode:multiply;justify-self:center;max-width:320px}
@media (max-width:760px){.hero .wrap{grid-template-columns:1fr}.hero img.logo{max-width:200px;order:-1}}
section{padding:48px 0}
section.alt{background:var(--card)}
h2{font-size:1.8rem;margin:0 0 8px}
.sub{color:var(--muted);margin:0 0 28px;max-width:640px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:22px}
section.alt .card{background:var(--bg)}
.card h3{margin:0 0 6px;font-size:1.1rem}
.card p{margin:0;color:var(--muted)}
.card .ic{font-size:1.8rem;display:block;margin-bottom:8px}
ol.steps{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;gap:16px}
ol.steps li{counter-increment:s;display:flex;gap:16px;align-items:flex-start;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:18px}
ol.steps li::before{content:counter(s);flex:none;width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:700}
@media (prefers-color-scheme:dark){ol.steps li::before{color:#0c1524}}
ol.steps b{display:block}
ol.steps span{color:var(--muted)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:28px}
@media (max-width:760px){.two{grid-template-columns:1fr}}
.figure{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.band{background:var(--blue);color:#fff;text-align:center;padding:44px 0}
.band h2{color:#fff}.band p{margin:0 0 20px;opacity:.9}
.band .btn{background:#fff;color:var(--blue-d)!important}
@media (prefers-color-scheme:dark){.band{background:#123a6e}}
ul.tick{padding:0;list-style:none;margin:0}
ul.tick li{padding-left:28px;position:relative;margin:8px 0}
ul.tick li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}
.prose{max-width:720px}.prose h2{margin-top:32px;font-size:1.4rem}
footer.site{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:.9rem}
footer.site .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
footer.site a{color:var(--muted)}
.page-title{padding:44px 0 8px}.page-title h1{margin:0 0 8px;font-size:2.2rem}

.videos{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,320px));gap:28px;justify-content:center}
.videos figure{margin:0;text-align:center}
.videos video{width:100%;max-height:70vh;border-radius:14px;border:1px solid var(--line);background:#000}
.videos figcaption{margin-top:10px;font-weight:600}.videos figcaption span{display:block;font-weight:400;color:var(--muted);font-size:.9rem}