/* ── Base ── */
html { scroll-behavior: smooth; }
body { overflow-x: hidden; }

/* ── Nav ── */
#nav {
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
#nav.scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}
#nav.scrolled .font-display,
#nav.scrolled a.nav-link { color: #1c1c1f; }
#nav.scrolled a.nav-link { color: #3f3f46; }
#nav.scrolled a.nav-link:hover { color: #E0503A; }

/* ── Hero decorative shapes ── */
.hero-shape {
  position: absolute;
  pointer-events: none;
}
.shape-circle-1 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(224,80,58,0.18) 0%, transparent 70%);
  top: -100px; left: -120px;
  border-radius: 50%;
}
.shape-circle-2 {
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(224,80,58,0.12) 0%, transparent 70%);
  bottom: 60px; right: 30%;
  border-radius: 50%;
}
.shape-rect-1 {
  width: 140px; height: 140px;
  border: 2px solid rgba(224,80,58,0.2);
  border-radius: 24px;
  top: 18%; right: 8%;
  transform: rotate(15deg);
}
.shape-line {
  width: 200px; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(224,80,58,0.3), transparent);
  bottom: 28%; left: 5%;
  transform: rotate(-8deg);
}

/* ── Product cards ── */
.product-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 8px;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.product-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(224,80,58,0.3);
  transform: translateY(-4px);
}

/* ── Scroll reveal (below-the-fold only) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
  .reveal-delay-4 { transition-delay: 0.4s; }
  .reveal-delay-5 { transition-delay: 0.5s; }
}

/* ── Mobile menu ── */
#mobile-menu {
  animation: slideDown 0.2s ease;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}