/* ==========================================================================
   CSS Variables & Base Reset
   ========================================================================== */
:root {
    /* Color Palette Inspired by Glowing Embers and Dark Wood */
    --color-bg-darkest: #0a0a0a;
    --color-bg-charcoal: #141414;
    --color-bg-light-charcoal: #1e1e1e;
    
    --color-ember-orange: #ff5722;
    --color-amber: #ff9800;
    --color-amber-glow: rgba(255, 152, 0, 0.4);
    --color-ember-glow: rgba(255, 87, 34, 0.3);
    
    --color-text-primary: #e0e0e0;
    --color-text-secondary: #a09b95;
    --color-border: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-heading: 'Cinzel', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    --transition-slow: 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--color-bg-darkest);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    /* Subtle noise texture for a premium feel */
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
}

/* Typography Base */
h1, h2, h3, h4, h5, h6, .logo {
    font-family: var(--font-heading);
    font-weight: 400;
    letter-spacing: 0.05em;
    color: #ffffff;
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-amber), transparent);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-amber);
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ==========================================================================
   UI Components
   ========================================================================== */
.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    color: var(--color-amber);
    border: 1px solid var(--color-amber);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 152, 0, 0.1);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-fast);
    z-index: -1;
}

.cta-button:hover {
    background: var(--color-amber);
    color: var(--color-bg-darkest);
    box-shadow: 0 0 20px var(--color-amber-glow);
}

.cta-button:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.full-width {
    width: 100%;
    text-align: center;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--color-text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.btn-icon:hover {
    color: var(--color-amber);
    transform: scale(1.1);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    z-index: 100;
    background: transparent;
    transition: background-color var(--transition-fast), padding var(--transition-fast);
}

.site-header.scrolled {
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 3rem;
    border-bottom: 1px solid var(--color-border);
}

.logo {
    font-size: 2rem;
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

.main-nav a {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.8;
}

.main-nav a:hover {
    opacity: 1;
    text-shadow: 0 0 8px var(--color-amber-glow);
}

/* ==========================================================================
   Ambient & Effects
   ========================================================================== */
#ambient-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-amber-glow) 0%, transparent 60%);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 1;
    opacity: 0.15;
    mix-blend-mode: screen;
    transition: opacity var(--transition-smooth);
}

/* Ember particles */
.ember {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-ember-orange);
    border-radius: 50%;
    filter: blur(1px);
    box-shadow: 0 0 8px 2px var(--color-ember-glow);
    animation: floatUp linear infinite;
    pointer-events: none;
    z-index: 2;
}

@keyframes floatUp {
    0% { transform: translateY(0) scale(1) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh) scale(0.2) translateX(30px); opacity: 0; }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: -5%;
    left: -5%;
    width: 110%;
    height: 110%; /* Extra size for parallax */
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6; /* Dim the image */
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, transparent 0%, var(--color-bg-darkest) 80%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-title {
    font-size: 5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0,0,0,0.8);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp var(--transition-slow) forwards 0.5s;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: 3rem;
    font-weight: 300;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp var(--transition-slow) forwards 0.8s;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   Menu Section (Interactive Cards)
   ========================================================================== */
.menu-section {
    padding: 8rem 0;
    position: relative;
    background-color: var(--color-bg-darkest);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    position: relative;
}

.menu-card {
    background: var(--color-bg-charcoal);
    border: 1px solid var(--color-border);
    cursor: pointer;
    overflow: hidden;
    position: relative;
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
    /* For JS expanding logic */
    will-change: transform, width, height;
}

.menu-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.5), 0 0 20px rgba(255, 152, 0, 0.1);
    border-color: rgba(255, 152, 0, 0.3);
}

.card-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.menu-card:hover .card-image img {
    transform: scale(1.05);
}

.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--color-bg-charcoal) 0%, transparent 100%);
}

.card-preview-info {
    padding: 2rem;
    text-align: center;
    position: absolute;
    bottom: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(20,20,20,1) 40%, transparent);
}

.card-preview-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.card-preview-info .price {
    font-family: var(--font-heading);
    color: var(--color-amber);
    letter-spacing: 0.1em;
}

/* Hidden full info for expanded state */
.card-full-info {
    opacity: 0;
    visibility: hidden;
    position: absolute;
    padding: 2rem;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--color-bg-charcoal);
    transform: translateY(20px);
    transition: opacity var(--transition-smooth), transform var(--transition-smooth), visibility var(--transition-smooth);
}

.card-full-info .description {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.card-full-info .ingredients {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: var(--color-amber);
    margin-bottom: 2rem;
}

.close-card {
    position: absolute;
    top: 2rem;
    right: 2rem;
    z-index: 20;
    opacity: 0;
}

/* Expanded State Classes (Toggled by JS) */
.menu-card.is-expanded {
    position: fixed !important;
    z-index: 999 !important;
    cursor: default;
    border-color: var(--color-amber);
    box-shadow: 0 0 50px rgba(0,0,0,0.8);
    display: flex;
    flex-direction: column;
}

.menu-card.is-expanded .card-image {
    height: 50vh;
}

.menu-card.is-expanded .card-preview-info {
    position: relative;
    background: var(--color-bg-charcoal);
    padding-bottom: 0;
}

.menu-card.is-expanded .card-full-info {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    position: relative;
    flex: 1;
}

.menu-card.is-expanded .close-card {
    opacity: 1;
}

#menu-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    opacity: 0;
    visibility: hidden;
    z-index: 900;
    transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

#menu-backdrop.active {
    opacity: 1;
    visibility: visible;
}

/* ==========================================================================
   Gallery Section
   ========================================================================== */
.gallery-section {
    height: 100vh;
    min-height: 600px;
    position: relative;
    background: var(--color-bg-darkest);
    overflow: hidden;
}

.gallery-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.gallery-track {
    width: 100%;
    height: 100%;
    position: relative;
}

.gallery-item {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease-in-out, visibility 1s ease-in-out;
}

.gallery-item.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05); /* Slight zoom for subtle animation */
    transition: transform 10s ease-out; /* Slow pan/zoom effect */
}

.gallery-item.active img {
    transform: scale(1);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--color-bg-darkest) 0%, transparent 40%, rgba(0,0,0,0.3) 100%);
}

.gallery-caption {
    position: absolute;
    bottom: 5rem;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: white;
    z-index: 3;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    text-shadow: 0 4px 20px rgba(0,0,0,0.8);
    opacity: 0;
    transition: opacity 0.5s ease 0.5s;
}

.gallery-item.active .gallery-caption {
    opacity: 1;
}

.gallery-controls {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 3rem;
    z-index: 10;
}

.gallery-btn {
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    color: white;
    cursor: pointer;
    backdrop-filter: blur(5px);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-btn:hover {
    background: var(--color-bg-light-charcoal);
    border-color: var(--color-amber);
    color: var(--color-amber);
    transform: scale(1.1);
}

.gallery-progress {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 10;
}

.progress-dot {
    width: 40px;
    height: 2px;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.progress-dot.active {
    background: var(--color-amber);
}

/* ==========================================================================
   Reservation Section
   ========================================================================== */
.reservation-section {
    padding: 8rem 0;
    background: var(--color-bg-darkest);
    position: relative;
    border-top: 1px solid var(--color-border);
}

.reservation-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    background: var(--color-bg-charcoal);
    border: 1px solid var(--color-border);
    position: relative;
}

.reservation-wrapper::before {
    content: '';
    position: absolute;
    top: -1px; left: -1px; right: -1px; bottom: -1px;
    background: linear-gradient(45deg, transparent, rgba(255,152,0,0.1), transparent);
    z-index: 0;
    pointer-events: none;
}

.reservation-visual {
    position: relative;
    height: 100%;
    min-height: 500px;
}

.reservation-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.visual-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, transparent, var(--color-bg-charcoal));
}

.reservation-interface {
    padding: 4rem 4rem 4rem 0;
    position: relative;
    z-index: 1;
}

.reservation-interface .section-title {
    text-align: left;
    margin-bottom: 1rem;
}

.reservation-interface .section-title::after {
    left: 0;
    transform: none;
}

.reservation-intro {
    color: var(--color-text-secondary);
    margin-bottom: 3rem;
}

.res-step {
    margin-bottom: 2.5rem;
}

.res-step h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Flow elements */
.date-carousel, .time-grid {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    /* Hide scrollbar */
    scrollbar-width: none;
}
.date-carousel::-webkit-scrollbar, .time-grid::-webkit-scrollbar {
    display: none;
}

.time-grid {
    flex-wrap: wrap;
}

.date-tile, .time-tile {
    background: var(--color-bg-light-charcoal);
    border: 1px solid var(--color-border);
    padding: 1rem 1.5rem;
    color: var(--color-text-primary);
    cursor: pointer;
    min-width: 100px;
    text-align: center;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: var(--font-body);
}

.time-tile {
    min-width: 80px;
    padding: 0.8rem 1.5rem;
    font-size: 1.1rem;
    border-radius: 2px;
}

.date-tile .day { font-size: 0.9rem; color: var(--color-text-secondary); text-transform: uppercase; }
.date-tile .date { font-size: 1.8rem; font-family: var(--font-heading); margin: 0.2rem 0; }
.date-tile .month { font-size: 0.9rem; color: var(--color-amber); text-transform: uppercase; }

.date-tile:hover, .time-tile:hover {
    border-color: rgba(255, 152, 0, 0.5);
    background: rgba(255, 152, 0, 0.05);
}

.date-tile.active, .time-tile.active {
    border-color: var(--color-amber);
    background: rgba(255, 152, 0, 0.1);
    color: white;
}

.time-tile.unavailable {
    opacity: 0.3;
    pointer-events: none;
    text-decoration: line-through;
}

.guest-counter {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--color-bg-light-charcoal);
    border: 1px solid var(--color-border);
    padding: 0.5rem 1rem;
    width: fit-content;
}

.guest-counter .guest-count {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    min-width: 30px;
    text-align: center;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: #050505;
    padding: 5rem 0 2rem;
    border-top: 1px solid rgba(255,152,0,0.2);
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--color-text-secondary);
}

.footer-links h4, .footer-social h4 {
    font-family: var(--font-heading);
    color: white;
    margin-bottom: 1.5rem;
    letter-spacing: 0.1em;
}

.footer-links a, .footer-social a {
    display: block;
    color: var(--color-text-secondary);
    margin-bottom: 0.8rem;
}

.footer-bottom {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
    .reservation-wrapper {
        grid-template-columns: 1fr;
    }
    
    .reservation-visual {
        min-height: 300px;
    }
    
    .visual-overlay {
        background: linear-gradient(to bottom, transparent, var(--color-bg-charcoal));
    }
    
    .reservation-interface {
        padding: 2rem;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2.2rem;
    }
    
    .main-nav {
        display: none; /* In a real app, add a hamburger menu */
    }
    
    .site-header {
        padding: 1rem 1.5rem;
    }
    
    .gallery-caption {
        font-size: 1.8rem;
    }
    
    .menu-card.is-expanded {
        width: 100vw !important;
        height: 100vh !important;
        top: 0 !important;
        left: 0 !important;
        border-radius: 0;
    }
}