:root {
  --bg: #0b1220;
  --bg-elev: #0f172a;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --card: #111827;
  --primary: #22d3ee;
  --primary-ink: #001015;
  --border: #1f2937;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica Neue, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: 100%;
  max-width: 1152px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
}
.brand-mark { width: 28px; height: 28px; }
.brand-name { letter-spacing: 0.2px; }

.nav { display: flex; align-items: center; gap: 18px; }
.nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}
.nav a:hover { color: var(--text); }

.icon-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}
.btn-sm { padding: 8px 12px; font-size: 14px; }
.btn-lg { padding: 12px 18px; font-size: 16px; }
.btn-primary { background: var(--primary); color: var(--primary-ink); border-color: transparent; }
.btn.btn-sm.btn-primary { color: #000000; }
.btn-ghost { background: transparent; }
.btn:hover { transform: translateY(-1px); }

.hero {
  background: radial-gradient(1200px 500px at 80% -20%, rgba(34,211,238,0.08), transparent),
              radial-gradient(1200px 500px at 20% -20%, rgba(99,102,241,0.10), transparent);
}
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; padding: 72px 0; }
.hero-copy h1 { font-size: 44px; line-height: 1.1; margin: 0 0 12px; }
.hero-copy p { color: var(--muted); font-size: 18px; margin: 0 0 18px; }
.hero-cta { display: flex; gap: 12px; margin: 20px 0 10px; flex-wrap: wrap; }
.trust-points { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px 18px; padding: 0; margin: 18px 0 0; list-style: none; color: var(--muted); }

.hero-art { display: grid; place-items: center; }
.glass-card {
  width: 100%;
  max-width: 520px;
  aspect-ratio: 4/3;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow);
  display: grid;
  padding: 16px;
  position: relative;
  overflow: hidden;
}
.glass-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.9; filter: saturate(115%) contrast(105%); }
.gc-line { border-radius: 8px; background: rgba(255,255,255,0.08); }
.gc-line:nth-child(1) { height: 16px; margin: 8px 10% 0; }
.gc-line:nth-child(2) { height: 16px; margin: 8px 18% 0; }
.gc-line:nth-child(3) { height: 16px; margin: 8px 25% 0; }
.gc-line:nth-child(4) { height: 16px; margin: 8px 32% 0; }

.section { padding: 64px 0; }
.section.alt { background: var(--bg-elev); }
.section-title { font-size: 28px; margin: 0 0 18px; }

.grid.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}
.card h3 { margin: 0 0 8px; font-size: 20px; }
.card p { margin: 0 0 10px; color: var(--muted); }
.card ul { margin: 0; padding-left: 18px; color: var(--muted); }

.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; counter-reset: step; padding: 0; list-style: none; }
.steps li { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.steps h4 { margin: 0 0 6px; }

.work-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.work-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.work-thumb { height: 140px; background: linear-gradient(135deg, rgba(34,211,238,0.25), rgba(99,102,241,0.25)); }
.work-thumb.alt { background: linear-gradient(135deg, rgba(16,185,129,0.25), rgba(244,114,182,0.25)); }
.work-meta { padding: 12px 14px; }
.work-meta h4 { margin: 0 0 4px; }
.work-meta p { margin: 0; color: var(--muted); }

.cta { background: radial-gradient(800px 400px at 50% -20%, rgba(34,211,238,0.08), transparent); }
.cta-card {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
}
.contact-form .form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.contact-form label { display: grid; gap: 6px; color: var(--muted); font-weight: 500; }
.contact-form label.full { grid-column: 1 / -1; }
.contact-form input, .contact-form textarea {
  width: 100%;
  background: #0b1324;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
}
.form-hint { color: var(--muted); font-size: 14px; margin-top: 8px; }

.site-footer { border-top: 1px solid var(--border); background: var(--bg-elev); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; gap: 12px; }
.footer-inner a { color: var(--muted); text-decoration: none; }
.footer-inner a:hover { color: var(--text); }
.footer-nav { display: flex; gap: 16px; }

@media (max-width: 960px) {
  .hero-inner, .cta-card { grid-template-columns: 1fr; }
  .grid.cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .work-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 640px) {
  .grid.cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .work-grid { grid-template-columns: 1fr; }
  .trust-points { grid-template-columns: 1fr; }
}

/* Light Mode */
.light {
  --bg: #ffffff;
  --bg-elev: #f8fafc;
  --text: #0b1220;
  --muted: #475569;
  --card: #ffffff;
  --primary: #2563eb;
  --primary-ink: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 10px 30px rgba(2,6,23,0.08);
}