:root {
  --bg: #0f1218;
  --bg-elevated: #1a1f28;
  --bg-card: #222833;
  --border: #2e3644;
  --text: #f3f4f6;
  --text-muted: #9ca3af;
  --accent: #38bdf8;
  --accent-deep: #1565e6;
  --accent-glow: rgba(56, 189, 248, 0.18);
  --radius: 16px;
  --radius-sm: 10px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; }

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(15, 18, 24, 0.85);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  color: var(--text);
  text-decoration: none;
}

.logo:hover { text-decoration: none; }

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  box-shadow: 0 8px 24px var(--accent-glow);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav a {
  color: var(--text-muted);
  font-size: 0.92rem;
  text-decoration: none;
}

.nav a:hover { color: var(--text); text-decoration: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #fff;
  box-shadow: 0 8px 28px var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

/* Hero */
.hero {
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto;
  height: 70%;
  background: radial-gradient(ellipse at 30% 20%, var(--accent-glow), transparent 65%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}

.eyebrow {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.1;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 34ch;
  margin: 0 0 1.75rem;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.hero-card {
  background: linear-gradient(160deg, var(--bg-card), var(--bg-elevated));
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.75rem;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
}

.hero-card h3 { margin: 0 0 0.5rem; font-size: 1.1rem; }

.hero-card p { margin: 0; color: var(--text-muted); font-size: 0.95rem; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.stat strong {
  display: block;
  font-size: 1.35rem;
  color: var(--accent);
}

.stat span { font-size: 0.8rem; color: var(--text-muted); }

/* Sections */
section { padding: 4rem 0; }

.section-head {
  max-width: 42rem;
  margin-bottom: 2.5rem;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.section-head p { margin: 0; color: var(--text-muted); }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
  border-color: rgba(56, 189, 248, 0.35);
  transform: translateY(-2px);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-glow);
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.card h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--text-muted); font-size: 0.92rem; }

.product-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
  background: linear-gradient(135deg, #1e2633 0%, var(--bg-card) 100%);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 2rem;
}

.product-badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.product-card h3 { margin: 0 0 0.5rem; font-size: 1.5rem; }
.product-card p { margin: 0 0 1rem; color: var(--text-muted); }

.product-visual {
  width: 140px;
  height: 140px;
  border-radius: 28px;
  background: linear-gradient(145deg, var(--accent), var(--accent-deep));
  display: grid;
  place-items: center;
  font-size: 3rem;
  box-shadow: 0 20px 48px var(--accent-glow);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.contact-item {
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.contact-item strong { display: block; margin-bottom: 0.25rem; }
.contact-item span { color: var(--text-muted); font-size: 0.9rem; }

/* Legal / doc pages */
.doc-page { padding: 3rem 0 4rem; }

.doc-page h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin: 0 0 0.5rem;
}

.doc-meta {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.doc-page h2 {
  font-size: 1.1rem;
  margin: 2rem 0 0.75rem;
  color: var(--accent);
}

.doc-page p, .doc-page li {
  color: #d1d5db;
}

.doc-page ul { padding-left: 1.25rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  margin-top: 2rem;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
}

.footer-grid p { margin: 0.25rem 0; color: var(--text-muted); font-size: 0.9rem; }

.footer-links { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.footer-links a { color: var(--text-muted); font-size: 0.9rem; text-decoration: none; }
.footer-links a:hover { color: var(--text); }

/* Mobile */
.menu-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .product-card { grid-template-columns: 1fr; }
  .product-visual { margin: 0 auto; }
  .stat-row { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }

  .menu-toggle { display: block; }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 1rem;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
  }

  .nav.open { display: flex; }

  .header-inner { position: relative; }
}