:root{
  --bg:#F8F9FA;
  --card:#FFFFFF;
  --card-alt:#F9FAFB;
  --border:#E5E7EB;
  --border-strong:#D1D5DB;
  --text:#111827;
  --muted:#6B7280;
  --faint:#9CA3AF;
  --accent:#3B82F6;
  --red:#EF4444;
  --red-hover:#DC2626;
  --ink:#111827;
  --radius:14px;
  --radius-sm:8px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth; zoom:1.10}
@supports not (zoom:1.10){
  html{transform:scale(1.10); transform-origin:top left; width:90.91%;}
}
body{
  margin:0;
  font-family:"Segoe UI", Segoe UI, -apple-system, BlinkMacSystemFont, Inter, Roboto, Helvetica, Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1080px; margin:0 auto; padding:0 24px}

/* Header */
.header{
  position:sticky; top:0; z-index:20;
  background:rgba(248,249,250,0.9);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex; align-items:center; gap:16px;
  height:64px;
}
.logo{display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--text)}
.logo-mark{
  width:32px; height:32px; display:grid; place-items:center;
  background:var(--ink); color:var(--red); border-radius:9px; font-size:18px; line-height:1;
}
.logo-mark.small{width:24px; height:24px; border-radius:7px; font-size:13px}
.logo-type{font-size:18px; font-weight:600; letter-spacing:-0.02em}
.nav{margin-left:16px; display:flex; gap:18px; flex:1}
.nav a{color:var(--muted); font-size:13px; font-weight:500}
.nav a:hover{color:var(--text); text-decoration:none}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 16px; border-radius:10px; font-size:13px; font-weight:600;
  border:1px solid transparent; cursor:pointer; text-decoration:none; line-height:1;
  transition:all .15s;
}
.btn-dark{background:var(--ink); color:#fff; border-color:var(--ink)}
.btn-dark:hover{background:#1F2937; text-decoration:none}
.btn-primary{background:var(--red); color:#fff; border-color:var(--red); box-shadow:0 6px 16px rgba(239,68,68,.25)}
.btn-primary:hover{background:var(--red-hover); text-decoration:none; transform:translateY(-1px)}
.btn-sm{padding:8px 14px; font-size:12px; border-radius:9px}
.btn-large{padding:14px 22px; font-size:15px; border-radius:12px}
.pill{
  display:inline-flex; align-items:center; gap:8px;
  background:#fff; border:1px solid var(--border); border-radius:999px;
  padding:7px 12px; font-size:11px; font-weight:500; color:var(--muted);
}
.dot{width:8px; height:8px; background:#9CA3AF; border-radius:50%; display:inline-block}

/* Hero */
.hero{padding:36px 0 12px}
.hero-grid{display:grid; grid-template-columns:1.15fr 0.85fr; gap:32px; align-items:center}
.hero-text h1{font-size:44px; line-height:1.05; letter-spacing:-0.03em; margin:14px 0 12px}
.hero-text h1 .accent{color:var(--red)}
.hero-text p{color:var(--muted); font-size:15px; max-width:520px; margin:0}
.hero-actions{margin-top:20px; display:flex; flex-direction:column; gap:8px; align-items:flex-start}
.hint{color:var(--faint); font-size:11px}
.trust{display:flex; gap:16px; margin-top:16px; flex-wrap:wrap; color:var(--muted); font-size:12px; font-weight:500}
.trust span{display:inline-flex; gap:6px; align-items:center}
.hero-shot{position:relative}
.shot-frame{
  background:#fff; border:1px solid var(--border); border-radius:16px; overflow:hidden;
  box-shadow:0 20px 60px rgba(17,24,39,.12), 0 2px 10px rgba(17,24,39,.06);
  padding:8px;
}
.shot-frame img{width:100%; height:auto; display:block; border-radius:10px; border:1px solid #F3F4F6}
.shot-caption{color:var(--faint); font-size:11px; text-align:center; margin-top:8px}

/* Immersive Full-Screen — the creative desktop showcase */
.immersive{
  min-height:100vh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  background:
    radial-gradient(1200px 600px at 20% 10%, rgba(59,130,246,.18), transparent 60%),
    radial-gradient(900px 500px at 90% 90%, rgba(239,68,68,.14), transparent 60%),
    linear-gradient(180deg, #0F172A 0%, #111827 100%);
  color:#fff;
  padding:48px 24px 36px;
  position:relative;
  overflow:hidden;
  text-align:center;
}
.immersive-label h2{font-size:28px; letter-spacing:-0.03em; margin:12px 0 8px; color:#fff}
.immersive-label p{color:#CBD5E1; font-size:13px; max-width:560px; margin:0 auto}
.desktop-stage{
  position:relative;
  width:min(96vw, 1080px);
  margin-top:28px;
  background:#0F172A;
  border-radius:18px;
  padding:18px;
  box-shadow:0 30px 80px rgba(0,0,0,.45), 0 2px 12px rgba(0,0,0,.3);
  border:1px solid rgba(255,255,255,0.08);
}
.desktop-wallpaper{
  position:absolute; inset:0; z-index:0; border-radius:18px; overflow:hidden;
  background:
    radial-gradient(800px 400px at 30% 20%, rgba(59,130,246,.22), transparent 70%),
    linear-gradient(180deg, #1E293B 0%, #0F172A 100%);
  opacity:0.9;
}
.desktop-taskbar{
  position:absolute; bottom:10px; left:50%; transform:translateX(-50%); z-index:2;
  display:flex; align-items:center; gap:10px;
  background:rgba(255,255,255,0.92); backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,0.6); border-radius:999px;
  padding:6px 14px; font-size:11px; font-weight:500; color:#334155;
  box-shadow:0 4px 16px rgba(0,0,0,.18);
}
.desktop-taskbar span:first-child{width:32px; height:3px; background:#CBD5E1; border-radius:99px; display:inline-block}
.task-app{display:inline-flex; align-items:center; gap:6px; background:#111827; color:#fff; padding:4px 10px; border-radius:999px; font-size:11px}
.window-frame{
  position:relative; z-index:1;
  background:#F8F9FA; border-radius:12px; overflow:hidden;
  border:1px solid rgba(255,255,255,0.9);
  box-shadow:0 16px 48px rgba(0,0,0,.35), 0 2px 8px rgba(0,0,0,.2);
}
.window-bar{
  display:flex; align-items:center; justify-content:space-between;
  height:32px; padding:0 12px;
  background:#FFFFFF; border-bottom:1px solid #E5E7EB;
  font-size:11px; color:#6B7280;
}
.traffic{display:flex; gap:6px}
.traffic span{width:10px; height:10px; border-radius:50%; display:inline-block}
.t-close{background:#EF4444; border:1px solid #DC2626}
.t-min{background:#F59E0B; border:1px solid #D97706}
.t-max{background:#10B981; border:1px solid #059669}
.window-title{font-weight:500; letter-spacing:-0.01em}
.window-actions{font-size:11px; letter-spacing:2px; opacity:0.6}
.window-frame img{width:100%; height:auto; display:block}

/* Sections */
.section{padding:28px 0}
.section.alt{background:#fff; border-top:1px solid var(--border); border-bottom:1px solid var(--border)}
.section-head{max-width:640px; margin:0 0 18px}
.section-head h2{font-size:22px; letter-spacing:-0.02em; margin:0 0 6px}
.section-head p{color:var(--muted); margin:0; font-size:13px}
.grid{display:grid; gap:14px}
.grid.features{grid-template-columns:repeat(3,1fr)}
.grid.steps{grid-template-columns:repeat(3,1fr)}
.card{
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius);
  padding:18px; box-shadow:0 1px 2px rgba(17,24,39,.04);
}
.card-icon{
  width:32px; height:32px; display:grid; place-items:center; border-radius:8px;
  background:#EFF6FF; border:1px solid #BFDBFE; font-size:15px; margin-bottom:10px;
}
.card-icon.red{background:#FEF2F2; border-color:#FECACA; color:var(--red)}
.card-icon.green{background:#F0FDF4; border-color:#BBF7D0}
.card-icon.dark{background:var(--ink); color:#fff; border-color:var(--ink)}
.card h3{margin:0 0 6px; font-size:13px; letter-spacing:-0.01em}
.card p{margin:0; color:var(--muted); font-size:12.5px; line-height:1.6}
.card p code{background:#F3F4F6; padding:1px 5px; border-radius:6px; font-size:11px; border:1px solid var(--border)}
.step{
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius);
  padding:18px; position:relative;
}
.step-num{
  width:28px; height:28px; display:grid; place-items:center;
  background:var(--ink); color:#fff; border-radius:999px; font-size:12px; font-weight:700; margin-bottom:10px;
}
.step h3{margin:0 0 6px; font-size:13px}
.step p{margin:0; color:var(--muted); font-size:12.5px; line-height:1.6}
.shot-wide{
  background:#fff; border:1px solid var(--border); border-radius:16px; overflow:hidden;
  box-shadow:0 16px 40px rgba(17,24,39,.10); padding:10px;
}
.shot-wide img{width:100%; height:auto; display:block; border-radius:10px; border:1px solid #F3F4F6}
.shot-wide-caption{color:var(--faint); font-size:11px; text-align:center; padding:8px 12px 2px}

/* Download */
.download .download-card{
  display:grid; grid-template-columns:1.2fr 0.8fr; gap:24px; align-items:center;
  background:var(--card); border:1px solid var(--border); border-radius:16px; padding:22px;
  box-shadow:0 12px 32px rgba(17,24,39,.08);
}
.download .download-card h2{margin:0 0 8px; font-size:20px; letter-spacing:-0.02em}
.download .download-card p{margin:0; color:var(--muted); font-size:13px; line-height:1.6}
.download .download-card .meta{margin-top:10px; display:flex; gap:8px; flex-wrap:wrap; color:var(--faint); font-size:11px}
.download-actions{display:flex; flex-direction:column; gap:8px; align-items:stretch; text-align:center}
.sublinks{margin-top:12px; display:flex; gap:8px; justify-content:center; align-items:center; color:var(--faint); font-size:11px; flex-wrap:wrap}
.sublinks a{color:var(--muted); font-weight:500}
.footer{border-top:1px solid var(--border); padding:18px 0; margin-top:18px}
.footer-inner{display:flex; justify-content:space-between; gap:16px; align-items:center; flex-wrap:wrap; color:var(--muted); font-size:12px}
.footer-left{display:flex; gap:8px; align-items:center}
.muted{color:var(--muted)}
@media (max-width: 880px){
  .hero-grid{grid-template-columns:1fr}
  .grid.features{grid-template-columns:1fr 1fr}
  .grid.steps{grid-template-columns:1fr}
  .download .download-card{grid-template-columns:1fr}
  .header-inner{height:auto; padding:12px 0; flex-wrap:wrap}
  .nav{order:3; width:100%; margin-left:0}
}
@media (max-width: 560px){
  .grid.features{grid-template-columns:1fr}
  .hero-text h1{font-size:32px}
}