/* ─── Base & Typography ─── */
:root {
    --teal-50: #f0fdfa;
    --teal-100: #ccfbf1;
    --teal-500: #14b8a6;
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    --slate-900: #0f172a;
    --slate-950: #020617;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 400;
}

.font-playfair {
    font-family: 'Playfair Display', Georgia, serif;
}

.font-inter {
    font-family: 'Inter', system-ui, sans-serif;
}

/* ─── Scroll Reveal (progressive enhancement) ─── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .reveal:nth-child(2) { transition-delay: 0.1s; }
    .reveal:nth-child(3) { transition-delay: 0.2s; }
    .reveal:nth-child(4) { transition-delay: 0.3s; }
}

/* Default: always visible for reduced-motion or no-JS */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ─── Hero Animations ─── */
@media (prefers-reduced-motion: no-preference) {
    .hero-subtitle {
        animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
    }

    .hero-headline {
        animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both;
    }

    .hero-desc {
        animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.6s both;
    }

    .hero-ctas {
        animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.8s both;
    }

    .hero-scroll {
        animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 1.2s both;
    }

    @keyframes heroFadeUp {
        from {
            opacity: 0;
            transform: translateY(24px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .hero-img {
        animation: heroZoom 12s cubic-bezier(0.16, 1, 0.3, 1) both;
    }

    @keyframes heroZoom {
        from { transform: scale(1.15); }
        to { transform: scale(1); }
    }

    .hero-scroll-line {
        animation: scrollPulse 2s ease-in-out infinite;
    }

    @keyframes scrollPulse {
        0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
        50% { opacity: 1; transform: scaleY(1); }
    }
}

/* ─── Navbar ─── */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 100%;
}

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

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.mobile-nav-link {
    position: relative;
}

/* ─── Menu Cards ─── */
.menu-card {
    transform: translateY(0);
}

.menu-card:hover {
    transform: translateY(-4px);
}

/* ─── Buttons ─── */
a, button {
    -webkit-tap-highlight-color: transparent;
}

/* ─── Form ─── */
input::placeholder,
textarea::placeholder {
    color: rgba(148, 163, 184, 0.5);
}

input:focus,
textarea:focus {
    outline: none;
}

/* ─── Utility ─── */
::selection {
    background: rgba(13, 148, 136, 0.3);
    color: inherit;
}

/* ─── Responsive adjustments ─── */
@media (max-width: 768px) {
    .font-playfair {
        line-height: 1.1;
    }
}