/* ============================================
   Bru Tea Cafe — Custom Styles
   Premium Dark Luxury Theme
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --color-emerald-700: #064e3b;
    --color-emerald-800: #053728;
    --color-emerald-900: #022c22;
    --color-gold-400: #d4a853;
    --color-gold-500: #c49a3e;
    --color-gold-600: #a87d2e;
    --color-cream-50: #faf8f5;
    --color-cream-100: #f5f0e8;
    --color-cream-200: #ebe0cc;
    --color-cream-300: #dfc9a8;
    --color-charcoal-800: #1a1a1a;
    --color-charcoal-900: #0f0f0f;
}

/* --- Base Reset & Typography --- */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    min-height: 100vh;
    overflow-x: hidden;
}

::selection {
    background-color: var(--color-gold-400);
    color: var(--color-charcoal-900);
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-charcoal-900);
}

::-webkit-scrollbar-thumb {
    background: var(--color-emerald-800);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gold-600);
}

/* --- Navigation --- */
#navbar {
    background: transparent;
    transition: background 0.5s ease, box-shadow 0.5s ease;
}

#navbar.scrolled {
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(212, 168, 83, 0.1);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold-400);
    transition: width 0.3s ease;
}

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

/* --- Mobile Menu --- */
.mobile-link {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

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

/* --- Hero --- */
.hero-badge {
    animation: fadeInUp 0.8s ease forwards;
}

/* --- Menu Cards --- */
.menu-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(212, 168, 83, 0.1);
    border-radius: 4px;
    padding: 0;
    transition: border-color 0.4s ease, transform 0.4s ease, box-shadow 0.4s ease;
}

.menu-card:hover {
    border-color: rgba(212, 168, 83, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(212, 168, 83, 0.05);
}

/* --- Gallery --- */
.gallery-item {
    cursor: pointer;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(2, 44, 34, 0.4), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: inherit;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* --- Contact Form --- */
input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: rgba(212, 168, 83, 0.5) !important;
    box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.1);
}

input::placeholder,
textarea::placeholder {
    color: rgba(223, 201, 168, 0.4);
}

select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23d4a853' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* --- Scroll Reveal (progressive enhancement) --- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(40px);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }

    .reveal.revealed {
        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; }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* --- Responsive --- */
@media (max-width: 767px) {
    .font-display {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .menu-card {
        padding: 1.5rem;
    }
}