:root{
  --bg:#ffffff;
  --bg-soft:#f8fafc;
  --fg:#0f172a;
  --muted:#64748b;
  --line:#e2e8f0;
  --accent:#4f46e5;
  --accent-2:#0ea5e9;
  --radius:14px;
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --maxw:1120px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--fg);
  background:var(--bg);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:-.02em}
.brand svg{display:block}
.nav{display:flex;align-items:center;gap:28px}
.nav a{color:var(--muted);font-size:15px;font-weight:500}
.nav a:hover{color:var(--fg)}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;font-weight:600;font-size:15px;padding:10px 18px;
  border:1px solid transparent;cursor:pointer;transition:.15s;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#4338ca}
.btn-ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn-ghost:hover{background:var(--bg-soft)}
@media(max-width:820px){.nav{display:none}}

/* Hero */
.hero{padding:72px 0 40px;background:
  radial-gradient(900px 400px at 80% -10%,rgba(79,70,229,.10),transparent 60%),
  radial-gradient(700px 350px at 0% 10%,rgba(14,165,233,.10),transparent 60%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:36px}}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--accent);
  background:rgba(79,70,229,.08);padding:6px 12px;border-radius:999px;margin-bottom:18px;
}
.hero h1{font-size:46px;line-height:1.1;margin:0 0 16px;letter-spacing:-.03em}
@media(max-width:900px){.hero h1{font-size:36px}}
.hero p.lead{font-size:19px;color:var(--muted);margin:0 0 28px;max-width:540px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.microcopy{margin-top:14px;font-size:13.5px;color:var(--muted)}

/* Mock app card */
.app-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);
  overflow:hidden;
}
.app-card .bar{display:flex;gap:7px;padding:12px 14px;border-bottom:1px solid var(--line);background:var(--bg-soft)}
.dot{width:11px;height:11px;border-radius:50%}
.dot.r{background:#ff5f57}.dot.y{background:#febc2e}.dot.g{background:#28c840}
.app-card .body{padding:16px}
.app-card h4{margin:2px 0 14px;font-size:14px;color:var(--muted);font-weight:600}
.file-row{display:flex;align-items:center;gap:12px;padding:11px 10px;border-radius:10px}
.file-row+.file-row{margin-top:4px}
.file-row:hover{background:var(--bg-soft)}
.file-ico{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;background:rgba(79,70,229,.10);color:var(--accent);flex:0 0 auto}
.file-row .nm{font-size:14px;font-weight:600}
.file-row .meta{font-size:12.5px;color:var(--muted)}
.file-row .sz{margin-left:auto;font-size:13px;color:var(--muted)}

/* Sections */
.section{padding:72px 0}
.section.soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{text-align:center;max-width:640px;margin:0 auto 44px}
.section-head h2{font-size:32px;margin:0 0 12px;letter-spacing:-.02em}
.section-head p{color:var(--muted);margin:0;font-size:17px}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.cards{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(14,165,233,.10);color:var(--accent-2);margin-bottom:16px}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:var(--muted);font-size:15px}

/* Pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
@media(max-width:900px){.plans{grid-template-columns:1fr}}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column}
.plan.pop{border-color:var(--accent);box-shadow:var(--shadow);position:relative}
.plan .tag{position:absolute;top:-12px;left:28px;background:var(--accent);color:#fff;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px}
.plan h3{margin:6px 0 4px;font-size:17px}
.plan .price{font-size:34px;font-weight:800;letter-spacing:-.02em;margin:8px 0 2px}
.plan .price span{font-size:15px;font-weight:500;color:var(--muted)}
.plan ul{list-style:none;padding:0;margin:18px 0 22px;display:grid;gap:10px}
.plan li{display:flex;gap:10px;font-size:14.5px;color:var(--muted)}
.plan li svg{flex:0 0 auto;margin-top:3px;color:var(--accent)}
.plan .btn{margin-top:auto;width:100%}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:48px 0 32px;color:var(--muted);font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;margin-bottom:32px}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-grid h5{color:var(--fg);font-size:14px;margin:0 0 12px}
.footer-grid a{display:block;margin-bottom:9px;color:var(--muted)}
.footer-grid a:hover{color:var(--fg)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:20px}

/* Auth page */
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:
  radial-gradient(800px 400px at 50% -10%,rgba(79,70,229,.10),transparent 60%),var(--bg-soft)}
.auth-card{width:100%;max-width:400px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:32px}
.auth-card .brand{justify-content:center;margin-bottom:8px}
.auth-card h1{font-size:22px;text-align:center;margin:14px 0 6px}
.auth-card .sub{text-align:center;color:var(--muted);font-size:14.5px;margin:0 0 24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px}
.field input{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font-size:15px;outline:none;transition:.15s}
.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,70,229,.12)}
.auth-row{display:flex;justify-content:space-between;align-items:center;margin:2px 0 20px;font-size:13.5px}
.auth-row a{color:var(--accent);font-weight:600}
.auth-card .btn{width:100%}
.auth-alt{text-align:center;font-size:14px;color:var(--muted);margin-top:20px}
.auth-alt a{color:var(--accent);font-weight:600}
.legal{text-align:center;font-size:12.5px;color:var(--muted);margin-top:18px}