:root {
  --bg: #06060a;
  --bg-soft: #0e101a;
  --surface: rgba(255, 255, 255, 0.04);
  --stroke: rgba(255, 255, 255, 0.1);
  --text: #f4f6ff;
  --muted: rgba(244, 246, 255, 0.65);
  --accent: #38bdf8;
  --accent-2: #6366f1;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "DM Sans", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 10% 10%, #10172c 0%, var(--bg) 45%) fixed;
}

a { color: inherit; text-decoration: none; }

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(6, 6, 10, 0.7);
  border-bottom: 1px solid var(--stroke);
}

.topbar-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-family: "Syne", sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav a {
  font-size: 0.95rem;
  color: var(--muted);
  padding: 0.5rem 0.65rem;
  border-radius: 999px;
}

.nav a.active,
.nav a:hover { color: white; background: rgba(56, 189, 248, 0.12); }

.menu-toggle {
  display: none;
  border: 1px solid var(--stroke);
  border-radius: 10px;
  padding: 0.45rem 0.6rem;
  background: transparent;
  color: var(--text);
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--stroke);
  background: rgba(8, 10, 16, 0.95);
}

.mobile-menu a {
  display: block;
  padding: 0.9rem 1rem;
  color: var(--muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-menu a.active { color: white; }

.hero {
  padding: 5.5rem 0 2.5rem;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  border: 1px solid rgba(56, 189, 248, 0.35);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
}

h1, h2, h3 {
  font-family: "Syne", sans-serif;
  margin: 0;
}

h1 {
  margin-top: 1rem;
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 1.06;
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1rem, 2.3vw, 1.15rem);
  margin-top: 1rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  font-weight: 600;
}

.btn-primary {
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
}

.btn-ghost:hover { background: rgba(56, 189, 248, 0.1); }

.section {
  padding: 2.3rem 0;
}

.section h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  margin-bottom: 0.8rem;
}

.section p {
  color: var(--muted);
  line-height: 1.75;
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card {
  border: 1px solid var(--stroke);
  background: linear-gradient(160deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border-radius: 18px;
  padding: 1.1rem;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.45rem;
}

.muted { color: var(--muted); }

.footer {
  border-top: 1px solid var(--stroke);
  margin-top: 2rem;
  padding: 1.5rem 0 2.2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.contact-list {
  display: grid;
  gap: 0.9rem;
}

.contact-item {
  border: 1px solid var(--stroke);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  background: var(--surface);
}

@media (max-width: 880px) {
  .nav { display: none; }
  .menu-toggle { display: inline-block; }
  .mobile-menu.open { display: block; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .hero { padding-top: 4.2rem; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .btn { width: 100%; }
}