/* ============================================
   RESTAURANT WEBSITE - DESIGN SYSTEM
   Modern Dark Theme with Gold Accents
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
    /* Colors */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #141414;
    --color-bg-card: rgba(255, 255, 255, 0.03);
    --color-bg-glass: rgba(255, 255, 255, 0.05);

    --color-gold: #d4a853;
    --color-gold-light: #e8c77b;
    --color-gold-dark: #b8923f;

    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-text-muted: #666666;

    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-gold: rgba(212, 168, 83, 0.3);

    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.5rem;
    --text-6xl: 4.5rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Effects */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.6);
    --shadow-gold: 0 0 30px rgba(212, 168, 83, 0.2);

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Layout */
    --container-max: 1200px;
    --nav-height: 80px;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul,
ol {
    list-style: none;
}

/* ---------- Typography ---------- */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text-primary);
}

h1 {
    font-size: var(--text-6xl);
}

h2 {
    font-size: var(--text-4xl);
}

h3 {
    font-size: var(--text-2xl);
}

h4 {
    font-size: var(--text-xl);
}

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

.text-gold {
    color: var(--color-gold);
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold), var(--color-gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---------- Container & Layout ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

section {
    padding: var(--space-24) 0;
}

/* ---------- Navigation ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-8);
    z-index: 1000;
    transition: all var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
}

.nav-logo {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-gold);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: var(--space-8);
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-secondary);
    position: relative;
    padding: var(--space-2) 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-gold);
}

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

.nav-reserve-btn {
    padding: var(--space-3) var(--space-6);
    background: transparent;
    border: 1px solid var(--color-gold);
    color: var(--color-gold);
    font-size: var(--text-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.nav-reserve-btn:hover {
    background: var(--color-gold);
    color: var(--color-bg-primary);
    box-shadow: var(--shadow-gold);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.3);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom,
            rgba(10, 10, 10, 0.4),
            rgba(10, 10, 10, 0.8));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: var(--space-8);
    animation: fadeInUp 1s ease-out;
}

.hero-tagline {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--color-gold);
    margin-bottom: var(--space-4);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-title {
    font-size: clamp(var(--text-4xl), 8vw, var(--text-6xl));
    margin-bottom: var(--space-6);
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-10);
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.8s both;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--color-gold);
    color: var(--color-bg-primary);
}

.btn-primary:hover {
    background: var(--color-gold-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
}

.btn-outline:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

/* ---------- Section Headers ---------- */
.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-label {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--color-gold);
    margin-bottom: var(--space-4);
}

.section-title {
    margin-bottom: var(--space-4);
}

.section-divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    margin: 0 auto;
}

/* ---------- About Section ---------- */
.about {
    background: var(--color-bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.about-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid var(--color-border-gold);
    border-radius: var(--radius-lg);
    pointer-events: none;
}

.about-content {
    padding: var(--space-8);
}

.about-content h2 {
    margin-bottom: var(--space-6);
}

.about-content p {
    margin-bottom: var(--space-6);
    font-size: var(--text-lg);
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.feature-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border-gold);
    border-radius: var(--radius-md);
    color: var(--color-gold);
    font-size: var(--text-lg);
}

.feature-text {
    font-weight: 500;
    color: var(--color-text-primary);
}

/* ---------- Menu Section ---------- */
.menu {
    background: var(--color-bg-primary);
}

.menu-categories {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
}

.menu-category-btn {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-secondary);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.menu-category-btn:hover,
.menu-category-btn.active {
    background: var(--color-gold);
    border-color: var(--color-gold);
    color: var(--color-bg-primary);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.menu-item {
    display: flex;
    gap: var(--space-6);
    padding: var(--space-6);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.menu-item:hover {
    border-color: var(--color-border-gold);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.menu-item-image {
    width: 120px;
    height: 120px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
}

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

.menu-item:hover .menu-item-image img {
    transform: scale(1.1);
}

.menu-item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.menu-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-2);
}

.menu-item-name {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
}

.menu-item-price {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-gold);
}

.menu-item-description {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    flex: 1;
}

.menu-item-tags {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

.menu-tag {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-2);
    background: rgba(212, 168, 83, 0.1);
    color: var(--color-gold);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ---------- Gallery Section ---------- */
.gallery {
    background: var(--color-bg-secondary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item:nth-child(1) {
    grid-column: span 2;
    grid-row: span 2;
}

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

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 10, 10, 0.8), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
    display: flex;
    align-items: flex-end;
    padding: var(--space-4);
}

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

.gallery-caption {
    color: var(--color-text-primary);
    font-weight: 500;
}

/* ---------- Reservation Section ---------- */
.reservation {
    background: var(--color-bg-primary);
    position: relative;
}

.reservation-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.reservation-info h2 {
    margin-bottom: var(--space-6);
}

.reservation-info p {
    font-size: var(--text-lg);
    margin-bottom: var(--space-8);
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-gold);
    font-size: var(--text-xl);
}

.contact-text h4 {
    font-size: var(--text-base);
    font-family: var(--font-body);
    margin-bottom: var(--space-1);
}

.contact-text p {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.reservation-form-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    backdrop-filter: blur(20px);
}

.reservation-form-card h3 {
    text-align: center;
    margin-bottom: var(--space-8);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-group.full-width {
    grid-column: span 2;
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-4);
    font-size: var(--text-base);
    color: var(--color-text-primary);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
}

.form-select {
    cursor: pointer;
    appearance: none;
    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='%23a0a0a0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.btn-submit {
    width: 100%;
    padding: var(--space-5);
    font-size: var(--text-base);
}

/* ---------- Footer ---------- */
.footer {
    background: var(--color-bg-secondary);
    padding: var(--space-16) 0 var(--space-8);
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--space-4);
}

.footer-description {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-6);
}

.social-links {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.social-link:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    transform: translateY(-2px);
}

.footer-column h4 {
    font-size: var(--text-base);
    font-family: var(--font-body);
    font-weight: 600;
    margin-bottom: var(--space-6);
    color: var(--color-text-primary);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-link {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-gold);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-6);
}

.footer-bottom-links a {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--color-gold);
}

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

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Responsive Design ---------- */
@media (max-width: 1024px) {

    .about-grid,
    .reservation-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .about-image {
        order: -1;
    }

    .menu-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 70px;
    }

    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--space-8);
        gap: var(--space-6);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-reserve-btn {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: var(--text-4xl);
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-group.full-width {
        grid-column: span 1;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-item:nth-child(1) {
        grid-column: span 1;
        grid-row: span 1;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        max-width: none;
    }

    .social-links {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-4);
    }

    section {
        padding: var(--space-16) 0;
    }

    .menu-item {
        flex-direction: column;
    }

    .menu-item-image {
        width: 100%;
        height: 200px;
    }
}