/* Web4Day — fast, modern, accessible static website */
:root {
  color-scheme: light;
  --bg: #f6f8fc;
  --bg-soft: #eef2f9;
  --surface: rgba(255,255,255,.78);
  --surface-solid: #ffffff;
  --surface-2: #f1f5fb;
  --text: #111827;
  --muted: #5d687a;
  --line: rgba(15,23,42,.10);
  --primary: #5b5cf0;
  --primary-2: #8b5cf6;
  --accent: #18c8a7;
  --accent-2: #0ea5e9;
  --danger: #ef4444;
  --shadow: 0 24px 80px rgba(31,41,55,.10);
  --shadow-sm: 0 10px 30px rgba(31,41,55,.08);
  --radius: 24px;
  --radius-sm: 16px;
  --max: 1180px;
}
html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #080b12;
  --bg-soft: #0d121d;
  --surface: rgba(15,21,33,.78);
  --surface-solid: #0f1521;
  --surface-2: #121a29;
  --text: #f7f9fc;
  --muted: #a7b0c0;
  --line: rgba(255,255,255,.09);
  --primary: #8c8cff;
  --primary-2: #b37bff;
  --accent: #2fe0bb;
  --accent-2: #38bdf8;
  --shadow: 0 28px 90px rgba(0,0,0,.36);
  --shadow-sm: 0 12px 36px rgba(0,0,0,.28);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 10% 10%, color-mix(in srgb, var(--primary) 15%, transparent), transparent 32rem),
    radial-gradient(circle at 90% 18%, color-mix(in srgb, var(--accent) 11%, transparent), transparent 28rem),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
img, svg { max-width: 100%; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.container { width: min(calc(100% - 32px), var(--max)); margin-inline: auto; }
.skip-link { position:absolute; left:-9999px; top:8px; z-index:9999; padding:10px 14px; border-radius:10px; background:var(--text); color:var(--bg); }
.skip-link:focus { left:12px; }
.site-header { position: sticky; top: 0; z-index: 60; padding: 14px 0; backdrop-filter: blur(18px); background: color-mix(in srgb, var(--bg) 82%, transparent); border-bottom: 1px solid transparent; }
.site-header.scrolled { border-color: var(--line); }
.navbar { display:flex; align-items:center; justify-content:space-between; gap:18px; }
.brand { display:flex; align-items:center; gap:10px; text-decoration:none; font-weight:800; letter-spacing:-.02em; }
.brand-mark { width:38px; height:38px; display:grid; place-items:center; border-radius:13px; background:linear-gradient(135deg,var(--primary),var(--primary-2)); box-shadow:0 10px 24px color-mix(in srgb,var(--primary) 28%,transparent); color:white; }
.brand strong { font-size:1.08rem; }
.brand small { display:block; color:var(--muted); font-weight:650; font-size:.68rem; letter-spacing:.02em; margin-top:-2px; }
.nav-links { display:flex; align-items:center; gap:8px; list-style:none; padding:0; margin:0; }
.nav-links a { text-decoration:none; color:var(--muted); padding:9px 11px; border-radius:10px; font-weight:700; font-size:.92rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color:var(--text); background:var(--surface); }
.nav-actions { display:flex; align-items:center; gap:8px; }
.icon-btn { width:42px; height:42px; display:grid; place-items:center; border:1px solid var(--line); border-radius:13px; background:var(--surface); color:var(--text); box-shadow:var(--shadow-sm); }
.menu-btn { display:none; }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:9px; min-height:46px; padding:0 18px; border:1px solid transparent; border-radius:14px; text-decoration:none; font-weight:800; transition:transform .18s ease, box-shadow .18s ease, background .18s ease; }
.btn:hover { transform:translateY(-2px); }
.btn-primary { background:linear-gradient(135deg,var(--primary),var(--primary-2)); color:#fff; box-shadow:0 14px 34px color-mix(in srgb,var(--primary) 28%,transparent); }
.btn-secondary { border-color:var(--line); background:var(--surface); color:var(--text); }
.badge { display:inline-flex; align-items:center; gap:8px; padding:7px 11px; border-radius:999px; border:1px solid var(--line); background:var(--surface); color:var(--muted); font-weight:750; font-size:.84rem; }
.dot { width:8px; height:8px; border-radius:50%; background:var(--accent); box-shadow:0 0 0 5px color-mix(in srgb,var(--accent) 16%,transparent); }
.hero { padding:74px 0 58px; overflow:hidden; }
.hero-grid { display:grid; grid-template-columns:1.05fr .95fr; gap:52px; align-items:center; }
h1,h2,h3 { line-height:1.12; letter-spacing:-.035em; margin-top:0; }
h1 { font-size:clamp(2.7rem, 6vw, 5.5rem); margin-bottom:22px; }
h2 { font-size:clamp(2rem, 4vw, 3.35rem); margin-bottom:16px; }
h3 { font-size:1.22rem; margin-bottom:9px; }
.gradient-text { background:linear-gradient(135deg,var(--primary),var(--primary-2) 50%,var(--accent)); -webkit-background-clip:text; background-clip:text; color:transparent; }
.lead { font-size:clamp(1.05rem, 1.8vw, 1.25rem); color:var(--muted); max-width:720px; }
.hero-actions { display:flex; gap:12px; flex-wrap:wrap; margin-top:30px; }
.trust-row { display:flex; flex-wrap:wrap; gap:12px 22px; margin-top:26px; color:var(--muted); font-size:.92rem; font-weight:700; }
.trust-row span { display:inline-flex; align-items:center; gap:8px; }
.hero-card { position:relative; padding:18px; border-radius:30px; background:linear-gradient(145deg,color-mix(in srgb,var(--surface-solid) 92%,var(--primary) 8%),var(--surface)); border:1px solid var(--line); box-shadow:var(--shadow); transform:rotate(1.1deg); }
.window { overflow:hidden; border-radius:20px; background:var(--surface-solid); border:1px solid var(--line); }
.window-bar { height:42px; display:flex; align-items:center; gap:7px; padding:0 14px; border-bottom:1px solid var(--line); background:var(--surface-2); }
.window-bar i { width:9px; height:9px; border-radius:50%; display:block; background:var(--muted); opacity:.55; }
.mockup { padding:22px; min-height:390px; background:linear-gradient(180deg,var(--surface-solid),var(--surface-2)); }
.mockup-nav { height:18px; width:46%; border-radius:999px; background:color-mix(in srgb,var(--text) 10%,transparent); }
.mockup-title { width:82%; height:40px; border-radius:12px; margin-top:45px; background:linear-gradient(90deg,var(--primary),var(--primary-2)); opacity:.94; }
.mockup-line { height:10px; border-radius:999px; background:color-mix(in srgb,var(--text) 12%,transparent); margin-top:13px; }
.mockup-line.w70 { width:70%; } .mockup-line.w54 { width:54%; }
.mockup-actions { display:flex; gap:10px; margin-top:25px; }
.mockup-actions span { height:36px; width:120px; border-radius:11px; background:var(--accent); }
.mockup-actions span:last-child { background:var(--surface-solid); border:1px solid var(--line); }
.mockup-cards { display:grid; grid-template-columns:repeat(3,1fr); gap:11px; margin-top:52px; }
.mockup-cards div { min-height:82px; border-radius:14px; background:var(--surface-solid); border:1px solid var(--line); box-shadow:var(--shadow-sm); }
.floating-chip { position:absolute; padding:10px 13px; border-radius:14px; border:1px solid var(--line); background:var(--surface-solid); box-shadow:var(--shadow-sm); font-weight:850; font-size:.9rem; }
.chip-speed { left:-30px; bottom:66px; } .chip-theme { right:-22px; top:72px; }
.section { padding:82px 0; }
.section-tight { padding:52px 0; }
.section-head { display:flex; align-items:end; justify-content:space-between; gap:30px; margin-bottom:34px; }
.section-head p { color:var(--muted); max-width:640px; margin:0; }
.eyebrow { color:var(--primary); font-weight:900; text-transform:uppercase; letter-spacing:.12em; font-size:.76rem; margin-bottom:10px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.card { padding:25px; border:1px solid var(--line); border-radius:var(--radius); background:var(--surface); box-shadow:var(--shadow-sm); }
.card p { color:var(--muted); margin-bottom:0; }
.card-icon { width:48px; height:48px; border-radius:15px; display:grid; place-items:center; background:color-mix(in srgb,var(--primary) 12%,var(--surface-solid)); color:var(--primary); margin-bottom:19px; font-weight:900; }
.card-link { display:inline-flex; margin-top:18px; color:var(--primary); font-weight:850; text-decoration:none; }
.feature-strip { display:grid; grid-template-columns:repeat(4,1fr); gap:1px; overflow:hidden; border:1px solid var(--line); border-radius:var(--radius); background:var(--line); }
.feature-strip div { padding:24px; background:var(--surface-solid); }
.feature-strip strong { display:block; font-size:1.35rem; letter-spacing:-.03em; }
.feature-strip span { color:var(--muted); font-size:.9rem; }
.timeline { counter-reset:step; display:grid; gap:14px; }
.step { display:grid; grid-template-columns:58px 1fr; gap:18px; padding:22px; border:1px solid var(--line); background:var(--surface); border-radius:20px; }
.step::before { counter-increment:step; content:counter(step); width:48px; height:48px; display:grid; place-items:center; border-radius:15px; background:linear-gradient(135deg,var(--primary),var(--primary-2)); color:#fff; font-weight:900; }
.step p { color:var(--muted); margin:4px 0 0; }
.two-col { display:grid; grid-template-columns:1fr 1fr; gap:28px; align-items:start; }
.checklist { list-style:none; margin:0; padding:0; display:grid; gap:12px; }
.checklist li { position:relative; padding-left:34px; color:var(--muted); }
.checklist li::before { content:'✓'; position:absolute; left:0; top:0; width:22px; height:22px; display:grid; place-items:center; border-radius:8px; background:color-mix(in srgb,var(--accent) 14%,transparent); color:var(--accent); font-weight:950; }
.pricing { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; align-items:stretch; }
.price-card { position:relative; display:flex; flex-direction:column; }
.price-card.featured { outline:2px solid color-mix(in srgb,var(--primary) 70%,transparent); transform:translateY(-6px); }
.price-label { color:var(--muted); font-weight:750; }
.price { font-size:2rem; font-weight:950; letter-spacing:-.04em; margin:10px 0 2px; }
.price-note { color:var(--muted); font-size:.88rem; }
.price-card .checklist { margin:22px 0; flex:1; }
.callout { padding:36px; border-radius:30px; border:1px solid var(--line); background:
  radial-gradient(circle at 10% 20%,color-mix(in srgb,var(--primary) 18%,transparent),transparent 30rem),
  linear-gradient(145deg,var(--surface-solid),var(--surface)); box-shadow:var(--shadow); }
.callout-grid { display:grid; grid-template-columns:1.25fr .75fr; gap:24px; align-items:center; }
.faq { display:grid; gap:12px; }
details { border:1px solid var(--line); border-radius:17px; background:var(--surface); overflow:hidden; }
summary { list-style:none; cursor:pointer; padding:18px 20px; font-weight:850; display:flex; align-items:center; justify-content:space-between; gap:18px; }
summary::-webkit-details-marker { display:none; }
summary::after { content:'+'; font-size:1.35rem; color:var(--primary); }
details[open] summary::after { content:'−'; }
details p { padding:0 20px 20px; color:var(--muted); margin:0; }
.prose { max-width:860px; }
.prose p, .prose li { color:var(--muted); }
.prose h2 { margin-top:46px; font-size:clamp(1.7rem,3vw,2.6rem); }
.prose h3 { margin-top:30px; }
.breadcrumbs { display:flex; flex-wrap:wrap; gap:7px; color:var(--muted); font-size:.86rem; margin-bottom:24px; }
.breadcrumbs a { text-decoration:none; }
.page-hero { padding:62px 0 38px; }
.page-hero h1 { max-width:920px; font-size:clamp(2.4rem,5vw,4.7rem); }
.meta-pills { display:flex; flex-wrap:wrap; gap:9px; margin-top:24px; }
.meta-pills span { padding:7px 10px; border-radius:999px; background:var(--surface); border:1px solid var(--line); color:var(--muted); font-weight:750; font-size:.85rem; }
.contact-grid { display:grid; grid-template-columns:.8fr 1.2fr; gap:28px; align-items:start; }
.form { display:grid; gap:14px; }
.field { display:grid; gap:7px; }
.field label { font-weight:800; font-size:.9rem; }
.field input, .field textarea, .field select { width:100%; border:1px solid var(--line); border-radius:14px; background:var(--surface-solid); color:var(--text); padding:13px 14px; outline:none; }
.field input:focus, .field textarea:focus, .field select:focus { border-color:var(--primary); box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 13%,transparent); }
.field textarea { min-height:130px; resize:vertical; }
.notice { padding:13px 15px; border-radius:13px; background:color-mix(in srgb,var(--accent) 9%,var(--surface)); color:var(--muted); border:1px solid color-mix(in srgb,var(--accent) 22%,var(--line)); }
.footer { padding:42px 0 28px; border-top:1px solid var(--line); margin-top:72px; }
.footer-grid { display:grid; grid-template-columns:1.25fr .75fr .75fr; gap:28px; }
.footer p, .footer a { color:var(--muted); }
.footer a { text-decoration:none; }
.footer-links { display:grid; gap:8px; }
.footer-bottom { display:flex; align-items:center; justify-content:space-between; gap:16px; border-top:1px solid var(--line); margin-top:30px; padding-top:20px; color:var(--muted); font-size:.88rem; }
.kbd { font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:.8em; border:1px solid var(--line); border-bottom-width:2px; padding:2px 6px; border-radius:6px; background:var(--surface-solid); }
.reveal { opacity:0; transform:translateY(18px); transition:opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity:1; transform:none; }
@media (max-width: 980px) {
  .hero-grid, .two-col, .callout-grid, .contact-grid { grid-template-columns:1fr; }
  .hero-card { max-width:680px; margin-inline:auto; }
  .grid-4 { grid-template-columns:repeat(2,1fr); }
  .grid-3, .pricing { grid-template-columns:1fr 1fr; }
  .price-card.featured { transform:none; }
  .feature-strip { grid-template-columns:repeat(2,1fr); }
  .nav-links { position:absolute; top:72px; left:16px; right:16px; display:none; flex-direction:column; align-items:stretch; padding:12px; border:1px solid var(--line); border-radius:18px; background:var(--surface-solid); box-shadow:var(--shadow); }
  .nav-links.open { display:flex; }
  .menu-btn { display:grid; }
  .desktop-cta { display:none; }
}
@media (max-width: 680px) {
  .container { width:min(calc(100% - 22px), var(--max)); }
  .hero { padding-top:44px; }
  .hero-grid { gap:34px; }
  h1 { font-size:clamp(2.45rem,13vw,4.1rem); }
  .grid-3, .grid-4, .pricing, .feature-strip, .footer-grid { grid-template-columns:1fr; }
  .section { padding:60px 0; }
  .section-head { display:block; }
  .section-head p { margin-top:12px; }
  .hero-card { transform:none; }
  .floating-chip { display:none; }
  .callout { padding:25px; }
  .footer-bottom { flex-direction:column; align-items:flex-start; }
  .brand small { display:none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
  .reveal { opacity:1; transform:none; }
}