/* ── Base & Utilities ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #0f172a; }
::-webkit-scrollbar-thumb { background: #14b8a6; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #0d9488; }

/* ── Animations ── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Intersection Observer Animations ── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    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; }

/* ── Nav Active State ── */
#nav a.active {
    color: #0d9488;
}

/* ── Hero Card Float Animation ── */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-8px); }
}
.floating-card {
    animation: float 4s ease-in-out infinite;
}
.floating-card:nth-child(2) { animation-delay: 1s; }
.floating-card:nth-child(3) { animation-delay: 2s; }
.floating-card:nth-child(4) { animation-delay: 3s; }

/* ── Mobile Menu ── */
#mobile-menu {
    animation: slideDown 0.25s ease;
}

/* ── Menu Cards Stagger ── */
.menu-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.menu-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Gallery Hover ── */
.gallery-item {
    overflow: hidden;
    border-radius: 1rem;
}
.gallery-item img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.gallery-item:hover img {
    transform: scale(1.05);
}

/* ── Contact Form Focus ── */
input:focus, textarea:focus {
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.2);
}

/* ── Print ── */
@media print {
    header, #contact form, .reveal { display: none; }
    body { background: white; color: black; }
}