/* ── Base & Utilities ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { overflow-x: hidden; }

/* ── Navbar transition ── */
#navbar {
  background: transparent;
  transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
}
#navbar.scrolled {
  background: rgba(123, 45, 59, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0,0,0,0.15);
  padding: 0;
}
#navbar.scrolled #nav-logo { color: #fff; }

/* ── Reveal on scroll (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}
/* Default visible state for no-JS */
.reveal { opacity: 1; transform: none; }

/* ── Float animations ── */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-18px) rotate(3deg); }
}
@keyframes float-delay {
  0%, 100% { transform: translateY(0) rotate(45deg); }
  50% { transform: translateY(-14px) rotate(48deg); }
}
.animate-float { animation: float 6s ease-in-out infinite; }
.animate-float-delay { animation: float-delay 7s ease-in-out infinite 1.5s; }

/* ── Service card hover glow ── */
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.service-card { position: relative; }
.service-card:hover::before {
  opacity: 1;
}

/* ── Mobile menu animation ── */
#mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
#mobile-menu.open {
  max-height: 400px;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #fdf2f4; }
::-webkit-scrollbar-thumb { background: #d13550; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #7B2D3B; }

/* ── Selection ── */
::selection { background: #f8c3cc; color: #3d141c; }