:root {
  --bg: #020617;
  --bg-soft: rgba(255, 255, 255, 0.04);
  --bg-soft-2: rgba(255, 255, 255, 0.06);
  --text: #ffffff;
  --muted: #cbd5e1;
  --muted-2: #94a3b8;
  --line: rgba(255, 255, 255, 0.10);
  --accent: #67e8f9;
  --accent-2: #60a5fa;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 28px;
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
.container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(2, 6, 23, 0.84);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 84px;
}
.brand { font-size: 1.2rem; font-weight: 700; letter-spacing: 0.22em; }
.brand-subtitle { margin-top: 4px; font-size: 0.75rem; color: var(--muted-2); }
.nav-links { display: flex; gap: 28px; color: var(--muted); font-size: 0.95rem; }
.nav-links a:hover, .footer-links a:hover { color: var(--text); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  padding: 14px 22px;
  font-weight: 600;
  transition: 0.2s ease;
  border: 1px solid transparent;
}
.button:hover { transform: translateY(-1px); }
.button-solid {
  background: #ffffff;
  color: #020617;
  box-shadow: 0 12px 30px rgba(103, 232, 249, 0.15);
}
.button-outline {
  border-color: rgba(103, 232, 249, 0.30);
  color: #c7f9ff;
  background: rgba(103, 232, 249, 0.10);
}
.button-ghost {
  border-color: var(--line);
  color: #ffffff;
  background: transparent;
}

.hero-section { position: relative; overflow: hidden; }
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(34, 211, 238, 0.18), transparent 24%),
    radial-gradient(circle at left center, rgba(59, 130, 246, 0.16), transparent 22%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  padding: 96px 0 110px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #c7f9ff;
  border: 1px solid rgba(103, 232, 249, 0.20);
  background: rgba(255, 255, 255, 0.04);
}
.hero-copy h1,
.section h2 {
  margin: 18px 0 0;
  line-height: 1.06;
  letter-spacing: -0.04em;
  font-weight: 700;
}
.hero-copy h1 { font-size: clamp(2.8rem, 5vw, 4.4rem); max-width: 820px; }
.hero-copy p,
.section-intro p,
.two-col p,
.panel p,
.contact-shell p {
  color: var(--muted);
  font-size: 1.08rem;
}
.hero-copy p { max-width: 700px; margin-top: 24px; line-height: 1.85; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 34px; }
.hero-panels { display: grid; gap: 24px; }
.panel,
.card,
.list-panel,
.contact-shell {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.panel {
  background: rgba(255,255,255,0.05);
  padding: 28px;
}
.panel-accent {
  background: linear-gradient(135deg, rgba(34,211,238,0.10), rgba(59,130,246,0.10));
}
.panel-label {
  color: #c7f9ff;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 600;
}
.metric-grid { display: grid; gap: 16px; margin-top: 22px; }
.metric-card {
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
}
.metric-title { font-size: 1.5rem; font-weight: 700; }
.metric-text { color: var(--muted); margin-top: 8px; }

.section { padding: 92px 0; }
.section-alt {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}
.section-intro { max-width: 780px; }
.section h2 { font-size: clamp(2rem, 3vw, 3rem); }
.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 42px;
}
.card {
  background: rgba(255,255,255,0.05);
  padding: 28px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.card:hover {
  transform: translateY(-3px);
  border-color: rgba(103, 232, 249, 0.30);
  background: rgba(255,255,255,0.07);
}
.card h3 { margin: 0; font-size: 1.3rem; }
.card p { color: var(--muted); margin-top: 14px; }
.two-col {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 44px;
  align-items: start;
}
.list-panel {
  background: rgba(15, 23, 42, 0.75);
  padding: 30px;
}
.list-panel ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
.list-panel li {
  position: relative;
  padding-left: 24px;
  color: #e2e8f0;
}
.list-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
}
.section-contact { padding-bottom: 110px; }
.contact-shell {
  background: linear-gradient(135deg, rgba(15,23,42,0.96), rgba(30,41,59,0.98));
  padding: 34px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.contact-form {
  display: grid;
  gap: 14px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  padding: 15px 16px;
  border-radius: 18px;
  font: inherit;
  outline: none;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--muted-2); }
.contact-form input:focus,
.contact-form textarea:focus { border-color: rgba(103, 232, 249, 0.45); }
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg);
}
.footer-wrap {
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  color: var(--muted-2);
  font-size: 0.95rem;
}
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }

@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero-grid,
  .two-col,
  .contact-shell,
  .cards-grid { grid-template-columns: 1fr; }
  .hero-grid { padding: 72px 0 84px; }
}

@media (max-width: 640px) {
  .container { width: min(var(--container), calc(100% - 28px)); }
  .nav-wrap { min-height: 74px; }
  .button { width: 100%; }
  .hero-actions { flex-direction: column; }
  .panel,
  .card,
  .list-panel,
  .contact-shell { padding: 22px; }
  .footer-wrap { flex-direction: column; justify-content: center; padding: 20px 0; }
}