:root {
  --bg: #0d0f12;
  --bg-soft: #14171c;
  --ink: #e8e6e3;
  --muted: #9aa0a6;
  --accent: #4fc3f7;
  --accent-2: #b388ff;
  --line: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --max-w: 1080px;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

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

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 48px);
  background: rgba(13, 15, 18, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-nav { display: flex; gap: 24px; }
.site-nav a { color: var(--muted); font-size: 0.95rem; transition: color 0.2s; }
.site-nav a:hover { color: var(--ink); }

/* ---------- stamp ---------- */
.stamp {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: lowercase;
}

.stamp-ring {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  display: grid;
  place-items: center;
  position: relative;
  animation: spin 14s linear infinite;
}
.stamp-ring::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 14px var(--accent-2);
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- hero ---------- */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(80px, 14vh, 160px) clamp(20px, 5vw, 48px) 72px;
}

.eyebrow {
  display: inline-block;
  color: var(--accent-2);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1px solid rgba(179, 136, 255, 0.4);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.08;
  margin: 0 0 24px;
  letter-spacing: -0.02em;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  max-width: 560px;
  color: var(--muted);
  font-size: 1.1rem;
  margin: 0 0 32px;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: #07121a;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 999px;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 8px 30px rgba(79, 195, 247, 0.28);
}
.cta:hover { transform: translateY(-2px); box-shadow: 0 12px 38px rgba(79, 195, 247, 0.4); }

.cta-secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  box-shadow: none;
}
.cta-secondary:hover { background: rgba(79, 195, 247, 0.1); box-shadow: none; }

/* ---------- sections ---------- */
section { max-width: var(--max-w); margin: 0 auto; padding: 40px clamp(20px, 5vw, 48px) 72px; }
section h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 0 0 8px; letter-spacing: -0.01em; }
.section-head p, .about p, .contact p { color: var(--muted); }
.section-head { margin-bottom: 28px; }

.products { border-top: 1px solid var(--line); }
.about { border-top: 1px solid var(--line); }
.about strong { color: var(--accent); }
.contact { border-top: 1px solid var(--line); }

/* ---------- product grid ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  transition: transform 0.18s, border-color 0.18s, box-shadow 0.18s;
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(79, 195, 247, 0.5);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}
.product-card h3 { margin: 0; font-size: 1.15rem; }
.product-card p { margin: 0; color: var(--muted); font-size: 0.95rem; flex: 1; }

.card-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-2);
  border: 1px solid rgba(179, 136, 255, 0.35);
  border-radius: 999px;
  padding: 3px 10px;
}
.product-card.featured .card-badge { color: var(--accent); border-color: rgba(79, 195, 247, 0.4); }

.card-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: 12px;
}

.product-empty {
  grid-column: 1 / -1;
  padding: 48px 24px;
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
}
.product-empty h3 { margin: 0 0 8px; color: var(--ink); }
.product-empty p { margin: 0; }

/* ---------- footer ---------- */
.site-footer {
  text-align: center;
  padding: 40px clamp(20px, 5vw, 48px) 56px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}
.site-footer p { margin: 8px 0 0; font-size: 0.85rem; }
.footer-stamp {
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: lowercase;
  color: rgba(232, 230, 227, 0.25);
  font-size: 1.4rem;
}

/* ---------- responsive ---------- */
@media (max-width: 640px) {
  .site-nav { display: none; }
}