  *, *::before, *::after { box-sizing: border-box; }

  html { scroll-behavior: smooth; scroll-padding-top: 80px; }

  body {
    overflow-x: hidden;
  }

  /* ── Scrollbar ── */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #FAFAF7; }
  ::-webkit-scrollbar-thumb { background: #A8E6CF; border-radius: 999px; }
  ::-webkit-scrollbar-thumb:hover { background: #7BC8A4; }

  /* ── Animations ── */
  @keyframes scroll-indicator {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
  }
  .animate-scroll-indicator {
    animation: scroll-indicator 1.5s ease-in-out infinite;
  }

  @keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
  }

  /* ── Reveal on scroll ── */
  .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.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; }

  /* ── Header ── */
  #site-header {
    background: rgba(250, 250, 247, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(11, 29, 58, 0.06);
  }
  #site-header.scrolled {
    box-shadow: 0 4px 30px rgba(11, 29, 58, 0.08);
  }

  .nav-link {
    position: relative;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #A8E6CF;
    border-radius: 999px;
    transition: width 0.3s ease;
  }
  .nav-link:hover::after {
    width: 100%;
  }

  /* ── Mobile menu ── */
  #mobile-menu.open {
    opacity: 1;
    pointer-events: all;
  }

  .mobile-link {
    position: relative;
  }
  .mobile-link::after {
    content: '';
    display: block;
    width: 0;
    height: 2px;
    background: #A8E6CF;
    margin: 4px auto 0;
    transition: width 0.3s ease;
  }
  .mobile-link:hover::after {
    width: 60%;
  }

  /* ── Buttons ── */
  .btn-primary {
    @apply inline-flex items-center gap-2 bg-midnight text-white font-bold px-7 py-3.5 rounded-full text-sm transition-all duration-300 shadow-lg shadow-midnight/20 hover:shadow-xl hover:shadow-midnight/30 hover:-translate-y-0.5;
  }
  .btn-primary:hover .btn-arrow {
    transform: translate(4px, -4px);
  }
  .btn-primary .btn-arrow {
    transition: transform 0.3s ease;
  }
  .btn-secondary {
    @apply inline-flex items-center gap-2 bg-white text-midnight font-bold px-7 py-3.5 rounded-full text-sm border-2 border-midnight/15 hover:border-midnight/40 transition-all duration-300 hover:-translate-y-0.5 hover:shadow-lg;
  }

  /* ── Tags ── */
  .tag-mint {
    @apply inline-flex items-center gap-2 bg-mint/20 text-midnight text-xs font-bold uppercase tracking-widest px-4 py-2 rounded-full;
  }
  .tag-mint-alt {
    @apply inline-flex items-center gap-2 bg-white/10 text-mint text-xs font-bold uppercase tracking-widest px-4 py-2 rounded-full;
  }

  /* ── Service Cards ── */
  .card-service {
    @apply bg-cream rounded-2xl p-7 transition-all duration-400 hover:-translate-y-1 hover:shadow-xl hover:shadow-midnight/8 border border-transparent hover:border-mint/30;
  }
  .card-service-icon {
    @apply w-14 h-14 rounded-xl bg-mint/25 flex items-center justify-center text-midnight transition-all duration-400;
  }
  .card-service:hover .card-service-icon {
    @apply bg-mint text-midnight scale-110;
  }

  /* ── Gallery ── */
  .gallery-item {
    cursor: pointer;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .gallery-item:hover {
    transform: scale(1.03);
    z-index: 2;
  }
  .gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .gallery-item:hover .gallery-img {
    transform: scale(1.08);
  }

  /* ── FAQ ── */
  .faq-item {
    transition: box-shadow 0.3s ease;
  }
  .faq-item:hover {
    box-shadow: 0 4px 20px rgba(11, 29, 58, 0.06);
  }
  .faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1), padding 0.3s ease;
  }
  .faq-content.open {
    max-height: 200px;
  }
  .faq-item.active .faq-icon {
    transform: rotate(45deg);
  }

  /* ── Form ── */
  .input-field {
    @apply w-full rounded-xl border border-midnight/15 bg-cream px-4 py-3 text-midnight text-sm placeholder:text-warmgray/50 focus:outline-none focus:ring-2 focus:ring-mint/50 focus:border-mint transition-all duration-200;
  }
  .input-field:focus {
    border-color: #A8E6CF;
    box-shadow: 0 0 0 3px rgba(168, 230, 207, 0.25);
  }

  /* ── Mobile menu button ── */
  #menu-btn[aria-expanded="true"] #menu-icon-open { display: none; }
  #menu-btn[aria-expanded="true"] #menu-icon-close { display: block; }
  #menu-btn:not([aria-expanded="true"]) #menu-icon-open { display: block; }
  #menu-btn:not([aria-expanded="true"]) #menu-icon-close { display: none; }

  /* ── Responsive ── */
  @media (max-width: 767px) {
    .font-display { line-height: 1.15; }
  }
