/* ============================================
   OMD'S Oh My Donuts — Custom Styles
   Classic & Elegant · Burgundy + Blush
   ============================================ */

/* --- Custom Properties --- */
:root {
    --burgundy-950: #3b0713;
    --burgundy-900: #6e122e;
    --burgundy-800: #821230;
    --burgundy-700: #9e1436;
    --burgundy-600: #c12247;
    --burgundy-500: #db4067;
    --burgundy-300: #f6a4b8;
    --burgundy-200: #fad0d9;
    --burgundy-100: #fce7eb;
    --cream-50: #fefdfb;
    --cream-100: #fdf8f0;
    --gold-400: #d4a853;
    --gold-500: #c9a227;
}

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

body {
    overflow-x: hidden;
}

/* --- Selection --- */
::selection {
    background-color: var(--burgundy-200);
    color: var(--burgundy-900);
}

/* --- Buttons --- */
.btn-primary {
    background: linear-gradient(135deg, var(--burgundy-700) 0%, var(--burgundy-800) 100%);
    box-shadow: 0 4px 15px rgba(126, 18, 48, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--burgundy-600) 0%, var(--burgundy-700) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary span,
.btn-primary svg {
    position: relative;
    z-index: 1;
}

.btn-secondary {
    background: transparent;
}

.btn-secondary:hover {
    background: var(--burgundy-700);
    color: var(--cream-50);
    box-shadow: 0 4px 20px rgba(126, 18, 48, 0.4);
}

/* --- Navbar --- */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background: rgba(254, 253, 251, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(62, 10, 22, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--burgundy-500);
    transition: width 0.3s ease;
}

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

#navbar.scrolled .nav-link {
    color: var(--burgundy-800);
}

#navbar.scrolled .nav-link:hover {
    color: var(--burgundy-500);
}

#navbar.scrolled .font-serif {
    color: var(--burgundy-900) !important;
}

#navbar.scrolled .text-burgundy-600 {
    color: var(--burgundy-600) !important;
}

/* --- Menu Cards --- */
.menu-card {
    transform: translateY(0);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.menu-card:hover {
    transform: translateY(-8px);
}

/* --- Gallery Items --- */
.gallery-item {
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.02);
}

/* --- Floating Animations --- */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(1deg); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(-1deg); }
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

.animate-float-delayed {
    animation: float-delayed 5s ease-in-out infinite;
    animation-delay: 1s;
}

/* --- Scroll Reveal (progressive enhancement) --- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        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; }
}

/* --- Mobile Menu --- */
.mobile-menu-link {
    position: relative;
}

/* --- Back to Top --- */
#back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

/* --- Form Styles --- */
input:focus,
select:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(193, 34, 71, 0.1);
}

/* --- Decorative Divider --- */
.section-divider {
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--burgundy-300), var(--burgundy-500), var(--burgundy-300), transparent);
}

/* --- Accessibility --- */
@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;
    }
}

/* --- Focus Visible --- */
:focus-visible {
    outline: 2px solid var(--burgundy-500);
    outline-offset: 2px;
}

/* --- Responsive Tweaks --- */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.2;
    }
}