@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Sora:wght@600;700;800&display=swap');
:root{
  --bg:#f8f7fb;--surface:#fff;--surface2:#f3f0ff;--fg:#211a35;--muted:#756f83;
  --primary:#6435df;--primary2:#4b23b8;--gold:#d4af37;--border:#ddd7eb;
  --shadow:0 18px 48px rgba(44,28,88,.09);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:"DM Sans",Arial,sans-serif;line-height:1.65}
a{color:inherit}
.container{width:min(1120px,calc(100% - 40px));margin:auto}
header{background:rgba(255,255,255,.92);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.nav{height:78px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none}
.brand img{width:42px;height:42px;display:block}
.brand-name{font:800 25px Sora,sans-serif;letter-spacing:-.04em}
.brand-dot{color:var(--gold)}
.nav-links{display:flex;gap:24px;margin-left:auto}
.nav-links a{text-decoration:none;color:#665f72;font-weight:700;font-size:14px}
.nav-links a:hover{color:var(--primary)}
.nav-tools{display:flex;align-items:center;gap:10px}
.lang{padding:9px 12px;border:1px solid var(--border);border-radius:10px;background:var(--surface);font-weight:700}
.lang a{text-decoration:none}
.lang a+a{margin-left:8px;padding-left:8px;border-left:1px solid var(--border)}
.cta{background:var(--primary);color:#fff;text-decoration:none;font-weight:800;padding:11px 15px;border-radius:10px}
.hero{padding:70px 0 42px;background:
  radial-gradient(circle at 18% 12%,rgba(111,78,229,.17),transparent 32%),
  radial-gradient(circle at 84% 5%,rgba(212,175,55,.12),transparent 24%),
  linear-gradient(180deg,#fbfaff,#f2edff)}
.crumb{font-size:13px;color:#756f83;margin-bottom:14px}
.crumb a{text-decoration:none;color:var(--primary)}
h1,h2,h3{font-family:Sora,Arial,sans-serif;letter-spacing:-.04em;line-height:1.12}
h1{font-size:clamp(34px,5vw,58px);margin:0 0 18px}
.hero-copy{font-size:20px;max-width:760px;color:var(--muted);margin:0 0 28px}
.updated{display:inline-flex;gap:7px;align-items:center;border:1px solid #ddd2ff;background:#fff;padding:8px 12px;border-radius:999px;font-size:12px;font-weight:700}
.dot{width:7px;height:7px;border-radius:50%;background:var(--gold)}
.section{padding:46px 0}
.grid{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);padding:28px}
.card h2{font-size:30px;margin:0 0 12px}
.card h3{font-size:20px;margin:24px 0 7px}
.card p{margin:0 0 12px;color:var(--muted)}
.converter{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px;margin:18px 0 24px}
.converter-row{display:grid;grid-template-columns:minmax(0,1fr) 48px minmax(0,1fr);gap:12px;align-items:end}
.field label{display:block;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.1em;margin-bottom:7px;color:#756f83}
.ctrl{display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:8px}
.input,.select,.result{height:50px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--fg);padding:0 13px;font:700 16px "DM Sans",Arial,sans-serif}
.input{font:800 20px Sora,Arial,sans-serif;min-width:0}
.result{display:flex;align-items:center;color:var(--primary);font:800 19px Sora,Arial,sans-serif;overflow:hidden;white-space:nowrap}
.swap{height:44px;width:44px;border:1px solid #d8cdfc;background:#f4efff;color:var(--primary);border-radius:10px;font-size:23px;font-weight:900}
.small-note{font-size:12px;color:var(--muted)}
.table{width:100%;border-collapse:collapse;margin-top:16px}
.table th,.table td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--border)}
.table th{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:#756f83}
.link-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}
.link-card{display:block;text-decoration:none;border:1px solid var(--border);border-radius:14px;padding:17px;background:#fff}
.link-card strong{display:block;font:800 16px Sora,sans-serif;margin-bottom:4px}
.link-card span{color:var(--muted);font-size:13px}
.notice{border-left:4px solid var(--gold);background:#fff8dd;padding:15px 17px;border-radius:9px;color:#5d501d}
footer{margin-top:35px;background:#241b38;color:#e9e4f2;padding:44px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr .8fr;gap:25px}
.footer-copy{color:#bdb4ce;max-width:390px}
.footer-col-title{font-weight:800;margin-bottom:10px}
.footer-links{display:grid;gap:7px}
.footer-links a{color:#c8c0d8;text-decoration:none;font-size:13px}
.bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;color:#aaa1bb;font-size:12px}
.aiprica{color:#fff;text-decoration:none;font-weight:900}
@media(max-width:820px){
  .nav-links{display:none}.grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .container{width:min(100% - 26px,1120px)}
  .nav{height:68px}
  .brand img{width:36px;height:36px}.brand-name{font-size:21px}
  .cta{display:none}
  .hero{padding:48px 0 30px}
  .hero-copy{font-size:17px}
  .converter-row{grid-template-columns:1fr}
  .swap{transform:rotate(90deg)}
  .ctrl{grid-template-columns:minmax(0,1fr) 132px}
  .link-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .bottom{display:grid}
}