:root{
  --bg:#f6f7fb; --surface:#ffffff; --text:#0f172a; --muted:#64748b; --border:#e2e8f0;
  --primary:#4f46e5; --primary-2:#7c3aed; --primary-contrast:#fff; --soft:#eef2ff;
  --danger:#dc2626; --shadow:0 10px 30px rgba(15,23,42,.08); --radius:16px;
}
:root[data-theme="dark"]{
  --bg:#0b1020; --surface:#131a2e; --text:#e6e9f5; --muted:#94a3b8; --border:#243049;
  --primary:#818cf8; --primary-2:#a78bfa; --primary-contrast:#0b1020; --soft:#1b2342;
  --danger:#f87171; --shadow:0 10px 30px rgba(0,0,0,.4);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{width:min(1040px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--primary);color:var(--primary-contrast);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}

.site-header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--text);text-decoration:none}
.logo{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff}
.nav{display:flex;align-items:center;gap:20px}
.nav a{color:var(--muted);text-decoration:none;font-weight:500;font-size:.95rem}
.nav a:hover{color:var(--text)}
.icon-btn{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer}
.icon-btn .moon{display:none}
:root[data-theme="dark"] .icon-btn .sun{display:none}
:root[data-theme="dark"] .icon-btn .moon{display:block}

.hero{padding:64px 0 36px;text-align:center;background:radial-gradient(60% 80% at 50% 0%,color-mix(in srgb,var(--primary) 16%,transparent),transparent)}
.eyebrow{display:inline-block;margin:0 0 14px;padding:6px 14px;border-radius:999px;background:var(--soft);color:var(--primary);font-weight:600;font-size:.8rem;letter-spacing:.04em;text-transform:uppercase}
h1{margin:0 0 14px;font-size:clamp(2rem,5vw,3.2rem);line-height:1.12;letter-spacing:-.02em}
.lead{max-width:640px;margin:0 auto;color:var(--muted);font-size:1.1rem}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.tabs{display:flex;border-bottom:1px solid var(--border);background:var(--bg)}
.tab{flex:1;padding:16px 12px;border:0;background:none;color:var(--muted);font:inherit;font-weight:600;cursor:pointer;border-bottom:3px solid transparent}
.tab:hover{color:var(--text)}
.tab.active{color:var(--primary);background:var(--surface);border-bottom-color:var(--primary)}
.panel{padding:28px}
.panel[hidden]{display:none}

.form{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;align-items:end}
.field{display:flex;flex-direction:column;gap:6px}
label{font-weight:600;font-size:.9rem}
.opt{font-weight:400;color:var(--muted)}
small{color:var(--muted);font-size:.78rem}
input[type=date],input[type=time],input[type=text]{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text);font:inherit}
input:focus-visible,button:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid color-mix(in srgb,var(--primary) 45%,transparent);outline-offset:2px}
.check{grid-column:1/-1;display:flex;align-items:center;gap:10px;font-weight:500}
.check input{width:18px;height:18px;accent-color:var(--primary)}
.btn-row{grid-column:1/-1;display:flex;gap:12px;flex-wrap:wrap}
.btn{padding:13px 22px;border:0;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;font:inherit;font-weight:700;cursor:pointer;transition:transform .1s,filter .15s}
:root[data-theme="dark"] .btn{color:#0b1020}
.btn:hover{filter:brightness(1.08)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:var(--surface);color:var(--text);border:1px solid var(--border)}
:root[data-theme="dark"] .btn.ghost{color:var(--text)}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{padding:7px 14px;border:1px solid var(--border);border-radius:999px;background:var(--bg);color:var(--text);font:inherit;font-size:.85rem;cursor:pointer}
.chip:hover{border-color:var(--primary);color:var(--primary)}

.error{margin:16px 0 0;padding:12px 14px;border-radius:10px;background:color-mix(in srgb,var(--danger) 12%,transparent);color:var(--danger);font-weight:500}
.error[hidden],.result[hidden]{display:none}
.result{margin-top:24px;padding:24px;border-radius:14px;background:var(--soft);animation:fade .3s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.headline{font-size:clamp(1.4rem,3.4vw,2rem);font-weight:800;letter-spacing:-.01em;color:var(--primary)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:18px}
.stat{padding:14px;border-radius:12px;background:var(--surface);border:1px solid var(--border)}
.stat b{display:block;font-size:1.25rem}
.stat span{color:var(--muted);font-size:.82rem}
.note{margin-top:16px;color:var(--muted);font-weight:500}

.clock{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}
.clock div{padding:18px 8px;border-radius:12px;background:var(--surface);border:1px solid var(--border);text-align:center}
.clock span{display:block;font-size:clamp(1.6rem,6vw,2.6rem);font-weight:800;font-variant-numeric:tabular-nums;color:var(--primary)}
.clock small{text-transform:uppercase;letter-spacing:.06em;font-size:.72rem}

.features{padding:72px 0 8px}
h2{font-size:1.8rem;margin:0 0 24px;letter-spacing:-.01em}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.grid article{padding:22px;border:1px solid var(--border);border-radius:14px;background:var(--surface)}
.grid h3{margin:0 0 8px;font-size:1.05rem}
.grid p{margin:0;color:var(--muted);font-size:.95rem}

.faq{padding:56px 0 72px;max-width:760px}
details{border:1px solid var(--border);border-radius:12px;background:var(--surface);margin-bottom:10px;padding:0 18px}
summary{cursor:pointer;padding:16px 0;font-weight:600}
details p{margin:0 0 16px;color:var(--muted)}

.site-footer{border-top:1px solid var(--border);padding:28px 0;color:var(--muted);text-align:center;font-size:.9rem}
.site-footer p{margin:0}

@media (max-width:640px){
  .nav a{display:none}
  .panel{padding:18px}
  .hero{padding:44px 0 28px}
  .clock{gap:8px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}