:root{color-scheme:light;--ink:#272943;--muted:#60657c;--purple:#7865d1;--line:#e7e7f3}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:linear-gradient(150deg,#f3f0ff 0%,#f7fcfa 48%,#fff9f0 100%);min-height:100vh}
a{color:#5345a5}a:focus-visible{outline:3px solid #7967d8;outline-offset:4px;border-radius:3px}
header,main,footer{max-width:940px;margin:auto;padding-left:22px;padding-right:22px}
header{padding-top:28px;padding-bottom:18px;display:flex;align-items:center;gap:14px;justify-content:space-between;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-weight:800;text-decoration:none}
.brand-mark{display:grid;place-items:center;font-size:26px;width:44px;height:44px;border-radius:13px;background:#fff;box-shadow:0 5px 17px #40307e20}
nav{display:flex;gap:19px;font-size:14px}nav a{text-decoration:none;font-weight:600}
.hero{margin-top:25px;margin-bottom:32px;padding:50px 45px;border-radius:26px;background:linear-gradient(125deg,#3c315e 0%,#6652a7 60%,#9578d9 100%);color:white;box-shadow:0 18px 45px #44317f27}
.pill{display:inline-block;padding:8px 13px;border:1px solid #ffffff80;background:#ffffff20;border-radius:30px;font-size:13px;font-weight:650}
h1{font-size:clamp(33px,5vw,55px);line-height:1.1;letter-spacing:-.035em;margin:22px 0 14px}
.hero p{font-size:18px;max-width:650px;line-height:1.6;color:#f7f3ff;margin-bottom:0}
.layout{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:14px}
.card,.paper{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:0 8px 25px #3b345014}
.card .emoji{font-size:29px}.card h2{font-size:19px}.card p{color:var(--muted);line-height:1.65;font-size:14px}
.note{border-left:4px solid #26ac86;background:#eafaf4;border-radius:0 12px 12px 0;padding:15px 19px;margin:24px 0 5px;line-height:1.6}
.paper{padding:34px 38px;margin:22px 0 48px}.paper h1{font-size:38px;margin-top:3px}.paper h2{font-size:21px;margin-top:29px}
.paper p,.paper li{line-height:1.75;color:#42465d}.paper ul{padding-left:22px}
.small{font-size:14px;color:var(--muted)}
footer{padding-top:18px;padding-bottom:36px;font-size:13px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
footer a{text-decoration:none}
@media(max-width:720px){.layout{grid-template-columns:1fr}.hero{padding:34px 23px}.paper{padding:26px 22px}nav{gap:13px}header{padding-top:18px}}