:root{
  --bg: #0b0c0f;
  --panel: #111318;
  --text: #e6e6e6;
  --muted:#9aa0aa;
  --brand:#0ea5e9;
  --brand-ink:#082f49;
  --ok:#22c55e;
  --warn:#eab308;
  --late:#ef4444;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,.25);
}
@media (prefers-color-scheme: light){
  :root{
    --bg:#ffffff;
    --panel:#f7f7f9;
    --text:#0a0a0a;
    --muted:#4b5563;
    --brand:#0284c7;
    --brand-ink:#e0f2fe;
  }
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Noto Sans, Ubuntu, Cantarell, Helvetica Neue, Arial, Apple Color Emoji, Segoe UI Emoji;
  color:var(--text);
  background:radial-gradient(1200px 600px at 70% -10%, rgba(14,165,233,.15), transparent) , var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
.container{width:min(1100px, 92vw); margin-inline:auto;}

.site-header{
  position:sticky; top:0; z-index:20;
  backdrop-filter:saturate(160%) blur(8px);
  background:color-mix(in oklab, var(--bg) 90%, transparent);
  border-bottom:1px solid color-mix(in oklab, var(--text) 12%, transparent);
}
.site-header .brand{
  display:flex; gap:.6rem; align-items:center; font-weight:700;
  padding: .9rem 1rem;
}
.site-header nav{
  display:flex; align-items:center; gap:1rem; justify-content:space-between;
}
.nav-toggle{ display:none; background:none; border:1px solid color-mix(in oklab, var(--text) 12%, transparent); color:var(--text); padding:.5rem .7rem; border-radius:10px}
.nav-list{ list-style:none; display:flex; gap:1rem; padding:0; margin:0; }
.nav-list a{ display:block; padding: .9rem 1rem; border-radius:12px}
.nav-list a:hover{ background:color-mix(in oklab, var(--panel) 70%, transparent)}

@media (max-width: 760px){
  .nav-toggle{ display:block; margin-right:1rem}
  .nav-list{ display:none; flex-direction:column; padding: .5rem}
  .nav-list.open{ display:flex; }
}

.hero{ padding: clamp(3rem, 6vw, 6rem) 0 }
.hero h1{
  font-weight:850;
  font-size: clamp(2rem, 3.6vw + 1rem, 3.5rem);
  letter-spacing:-.02em;
  margin:0 0 1rem;
}
.accent{ color:var(--brand); }
.subtitle{ font-size: clamp(1.05rem, 1.3vw + .6rem, 1.3rem); color:var(--muted); margin:0 0 .5rem }
.slogan{ font-weight:600; margin:.2rem 0 1.4rem; color:color-mix(in oklab, var(--text) 78%, var(--brand)); }

.cta{ display:flex; gap:.8rem; flex-wrap:wrap; margin:1.2rem 0 2rem}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:.85rem 1.1rem; border-radius:14px; border:1px solid transparent;
  font-weight:600; cursor:pointer; transition:transform .08s ease, background .2s ease;
  box-shadow: var(--shadow);
}
.btn:active{ transform: translateY(1px) scale(.99) }
.btn.primary{ background:linear-gradient(180deg, color-mix(in oklab, var(--brand) 90%, white), var(--brand)); color:white; }
.btn.primary:hover{ filter:saturate(1.1) }
.btn.ghost{ background:var(--panel); border-color: color-mix(in oklab, var(--text) 12%, transparent) }
.btn.ghost:hover{ background: color-mix(in oklab, var(--panel) 75%, white) }

.mockup{ margin-top: 2.2rem; }
.mock-card{
  background:var(--panel); border:1px solid color-mix(in oklab, var(--text) 12%, transparent);
  border-radius: var(--radius); box-shadow: var(--shadow); overflow:hidden;
}
.mock-header{ padding:.8rem 1rem; background:linear-gradient(180deg, var(--brand-ink), transparent); color:var(--muted); font-weight:600 }
.mock-list{ list-style:none; margin:0; padding: .2rem .7rem .9rem }
.mock-list li{ display:grid; grid-template-columns: 130px 1fr auto; gap:.6rem; align-items:center; padding:.6rem; border-radius:12px}
.mock-list li:nth-child(odd){ background: color-mix(in oklab, var(--panel) 90%, white) }
.mock-list .time{ font-variant-numeric:tabular-nums; color:var(--muted) }
.mock-list .name{ font-weight:600 }
.badge{ font-size:.8rem; padding:.25rem .5rem; border-radius:999px; border:1px solid transparent }
.badge.ontime{ background: color-mix(in oklab, var(--ok) 25%, transparent); color: color-mix(in oklab, var(--ok) 80%, black) }
.badge.early{ background: color-mix(in oklab, var(--warn) 20%, transparent); color: color-mix(in oklab, var(--warn) 80%, black) }
.badge.late{ background: color-mix(in oklab, var(--late) 20%, transparent); color: color-mix(in oklab, var(--late) 80%, black) }

.features{ padding: clamp(2.5rem, 5vw, 4rem) 0 }
.features h2, .how h2, .download h2{ font-size: clamp(1.6rem, 1.8vw + .8rem, 2.2rem); margin:0 0 1rem }
.grid-3{ display:grid; grid-template-columns: repeat(3, 1fr); gap:1rem }
@media (max-width: 860px){ .grid-3{ grid-template-columns: 1fr } }
.card{
  background:var(--panel); padding:1rem; border-radius: var(--radius);
  border:1px solid color-mix(in oklab, var(--text) 12%, transparent);
}
.icon{ width:44px; height:44px; display:grid; place-items:center; background: color-mix(in oklab, var(--brand) 20%, transparent); border-radius:12px; margin-bottom:.6rem }

.how{ padding: clamp(2.5rem, 5vw, 4rem) 0 }
.steps{ counter-reset: step; display:grid; gap:.7rem; padding-left:1rem }
.steps li{ background:var(--panel); padding:.9rem 1rem; border-radius:12px; border:1px solid color-mix(in oklab, var(--text) 12%, transparent) }
.steps li::marker{ color:var(--brand) }
.note{ margin-top:1rem; color:var(--muted) }

.download{ padding: clamp(2.5rem, 5vw, 4rem) 0 }

.site-footer{
  border-top:1px solid color-mix(in oklab, var(--text) 12%, transparent);
  padding:1.2rem 0; background: color-mix(in oklab, var(--panel) 65%, transparent);
}
.footer-grid{ display:flex; align-items:center; justify-content:space-between; gap:1rem }
.footer-links{ list-style:none; margin:0; padding:0; display:flex; gap:1rem }
.fineprint{ color:var(--muted); font-size:.9rem }