:root{--bg:#0b0c10;--text:#111;--muted:#616a73;--brand:#2a7de1;--brand-2:#1bb79a;--surface:#ffffff;--surface-2:#f6f8fb;}
@media (prefers-color-scheme: dark){:root{--bg:#0b0c10;--text:#e7e9ee;--muted:#a8b2bd;--surface:#0f1218;--surface-2:#141823;}}
*{box-sizing:border-box}html,body{margin:0;padding:0}
body{font:16px/1.7 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial; color:var(--text); background:var(--surface)}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;background:rgba(255,255,255,.8);backdrop-filter:saturate(120%) blur(8px);border-bottom:1px solid #e5e8ef}
@media (prefers-color-scheme: dark){.site-header{background:rgba(20,24,35,.65);border-color:#23293a}}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.nav nav a{margin:0 10px;text-decoration:none;color:var(--text);opacity:.9}
.nav nav a:hover{opacity:1;color:var(--brand)}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700}
.logo img{width:32px;height:32px}
.theme-toggle{background:none;border:1px solid #d9dee8;border-radius:8px;padding:6px 10px;cursor:pointer}
.hero{padding:64px 0;background:linear-gradient(135deg, #eef4ff, #f8fffb)}
@media (prefers-color-scheme: dark){.hero{background:linear-gradient(135deg, #121827, #0f1720)}}
.hero h1{font-size:2.4rem;margin:.2rem 0}
.lead{font-size:1.15rem;color:var(--muted)}
.cta-row{margin-top:18px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:10px 16px;border:1px solid #c9d3e3;border-radius:10px;text-decoration:none;color:var(--text);background:transparent}
.btn.primary{background:var(--brand);border-color:var(--brand);color:white}
.btn.primary:hover{filter:brightness(1.05)}
.grid.two{display:grid;grid-template-columns:1fr;gap:24px;padding:40px 20px}
@media (min-width:800px){.grid.two{grid-template-columns:1fr 1fr}}
section{padding:24px 0}
section.alt{background:var(--surface-2)}
ul.check{list-style:none;padding:0}
ul.check li{padding-left:28px;position:relative;margin:8px 0}
ul.check li:before{content:'✔';position:absolute;left:0;color:var(--brand)}
ul.tags{display:flex;gap:10px;flex-wrap:wrap;list-style:none;padding:0}
ul.tags li{background:#eaf2ff;color:#0a3a7a;border:1px solid #cfe0ff;padding:6px 10px;border-radius:999px}
.values{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-top:10px}
.value{display:flex;align-items:center;gap:10px;background:var(--surface-2);padding:10px;border-radius:12px}
.value .emoji{font-size:1.3rem}
.card{background:var(--surface-2);padding:20px;border-radius:14px;margin:14px 0}
.page-header{padding:40px 0;background:linear-gradient(180deg, rgba(42,125,225,0.08), transparent)}
.site-footer{border-top:1px solid #e5e8ef;margin-top:40px;padding:24px 0}
.muted{color:var(--muted)}
.small{font-size:.9em}
form label{display:block;margin:10px 0}
input,textarea{width:100%;padding:10px;border:1px solid #c9d3e3;border-radius:10px;background:transparent;color:inherit}
input:focus,textarea:focus{outline:2px solid #a5c9ff;border-color:#a5c9ff}