:root {
  --navy: #0F172A;
  --blue: #00BFFF;
  --magenta: #FF00FF;
  --text: #E2E8F0;
  --muted: #94A3B8;
  --card: rgba(15, 23, 42, 0.72);
  --border: #334155;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: Inter, system-ui, sans-serif;
  background: linear-gradient(135deg, #0F172A 0%, #1E2937 100%);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: #7dd3fc; }

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(51, 65, 85, 0.7);
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(15, 23, 42, 0.85);
  z-index: 10;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.04em;
  color: white;
}

.site-header nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-header nav a { color: var(--muted); font-weight: 500; }
.site-header nav a:hover { color: var(--blue); }

.hero {
  min-height: calc(100vh - 140px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem 2rem;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(0, 191, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner { position: relative; max-width: 820px; }

.logo-container { margin-bottom: 2rem; }

.logo {
  width: 360px;
  max-width: 90%;
  border-radius: 32px;
  border: 4px solid rgba(0, 191, 255, 0.25);
  box-shadow:
    0 0 0 8px rgba(0, 191, 255, 0.1),
    0 0 40px rgba(0, 191, 255, 0.55),
    0 25px 50px rgba(0, 0, 0, 0.3);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.logo:hover {
  transform: scale(1.04);
  box-shadow:
    0 0 0 10px rgba(0, 191, 255, 0.18),
    0 0 50px rgba(0, 191, 255, 0.75),
    0 30px 60px rgba(0, 0, 0, 0.4);
}

h1 {
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  font-weight: 700;
  background: linear-gradient(90deg, #00BFFF, #FF00FF);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.75rem;
  letter-spacing: -2px;
}

.glow { filter: drop-shadow(0 0 18px rgba(0, 191, 255, 0.45)); }

.tagline {
  font-size: 1.35rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
  font-weight: 500;
}

.description {
  max-width: 640px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
  color: #CBD5E1;
}

.windows-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(15, 23, 42, 0.8);
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.dot { color: var(--blue); }

.products {
  padding: 1rem 1.5rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: 1.75rem;
  color: white;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
}

.product-card h3 {
  font-size: 1.35rem;
  background: linear-gradient(90deg, #00BFFF, #FF00FF);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.product-card p {
  color: #CBD5E1;
  flex: 1;
  font-size: 0.98rem;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.btn {
  padding: 0.7rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.btn-primary {
  background: linear-gradient(90deg, var(--blue), var(--magenta));
  color: white;
}

.btn-primary:hover {
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(0, 191, 255, 0.35);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.site-footer {
  text-align: center;
  padding: 2rem 1rem 2.5rem;
  color: #64748B;
  font-size: 0.95rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-footer a { color: var(--blue); }

@media (max-width: 640px) {
  .site-header { flex-direction: column; align-items: flex-start; }
  .logo { width: 260px; }
}