/* ========================================
   Jax Diner — Premium Dark Luxury Theme
   Deep Navy + Warm Gold
======================================== */

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

:root {
    --navy-950: #0a192f;
    --navy-900: #0d2137;
    --navy-800: #112d4e;
    --navy-700: #1a3a5c;
    --gold-400: #d4af37;
    --gold-500: #c9a227;
    --gold-300: #e8c547;
    --gold-600: #b8941f;
    --cream: #f5f0e8;
    --cream-light: #faf7f2;
    --text-light: #f0ebe0;
    --text-muted: #a8a090;
    --text-dark: #1a1a1a;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Lato', 'Segoe UI', sans-serif;
    --transition: 0.3s ease;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--navy-950);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: 4px;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gold-400);
    color: var(--navy-950);
    border-color: var(--gold-400);
}

.btn-primary:hover {
    background: var(--gold-300);
    border-color: var(--gold-300);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--gold-400);
    border-color: var(--gold-400);
}

.btn-secondary:hover {
    background: var(--gold-400);
    color: var(--navy-950);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* Section Tags */
.section-tag {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold-400);
    margin-bottom: 1rem;
    position: relative;
    padding-left: 2rem;
}

.section-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1.25rem;
    height: 2px;
    background: var(--gold-400);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--cream);
    line-height: 1.2;
    margin-bottom: 1.25rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
}

/* ========================================
   Navigation
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.75rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: var(--gold-400);
    color: var(--navy-950);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: var(--transition);
}

.logo:hover .logo-icon {
    background: var(--gold-300);
    transform: rotate(-5deg);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cream);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-light);
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-400);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--gold-400);
}

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

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--cream);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--cream);
    transition: var(--transition);
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.mobile-menu-btn.active .hamburger {
    background: transparent;
}

.mobile-menu-btn.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-btn.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ========================================
   Hero Section
======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: url('https://images.pexels.com/photos/11406429/pexels-photo-11406429.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080') center center / cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 25, 47, 0.88) 0%,
        rgba(13, 33, 55, 0.80) 50%,
        rgba(26, 58, 92, 0.72) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 1.5rem;
}

.hero-tagline {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold-400);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 700;
    color: var(--cream);
    line-height: 1.05;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.hero-title em {
    color: var(--gold-400);
    font-style: italic;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 550px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid var(--gold-400);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--gold-400);
    border-radius: 2px;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { top: 6px; opacity: 1; }
    50% { top: 18px; opacity: 0.4; }
}

/* ========================================
   About Section
======================================== */
.about-section {
    padding: 8rem 0;
    background: var(--navy-900);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    transition: transform 0.6s ease;
}

.about-image:hover img {
    transform: scale(1.03);
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    border: 3px solid var(--gold-400);
    border-radius: 12px;
    z-index: -1;
    opacity: 0.3;
}

.about-content {
    padding: 1rem 0;
}

.about-text {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 2.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.feature-icon {
    width: 24px;
    height: 24px;
    color: var(--gold-400);
    flex-shrink: 0;
}

.feature-item span {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 400;
}

/* ========================================
   Menu Section
======================================== */
.menu-section {
    padding: 8rem 0;
    background: var(--navy-950);
    position: relative;
}

.menu-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-400), transparent);
    opacity: 0.3;
}

.menu-section .container {
    text-align: center;
}

.menu-section .section-subtitle {
    margin: 0 auto 4rem;
}

.menu-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    text-align: left;
}

.menu-category {
    background: var(--navy-800);
    border-radius: 12px;
    padding: 2.5rem;
    border: 1px solid rgba(212, 175, 55, 0.1);
    transition: var(--transition);
}

.menu-category:hover {
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid rgba(212, 175, 55, 0.15);
}

.category-icon {
    width: 28px;
    height: 28px;
    color: var(--gold-400);
}

.category-header h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--cream);
    font-weight: 700;
}

.menu-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.menu-item {
    padding-bottom: 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.menu-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.item-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--cream);
    margin-bottom: 0.35rem;
}

.item-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.menu-notice {
    margin-top: 3rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

/* ========================================
   Gallery Section
======================================== */
.gallery-section {
    padding: 6rem 0;
    background: var(--navy-900);
}

.gallery-section .container {
    text-align: center;
}

.gallery-section .section-subtitle {
    margin: 0 auto 3rem;
}

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

.gallery-item {
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 5/4;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

/* ========================================
   Contact Section
======================================== */
.contact-section {
    padding: 8rem 0;
    background: var(--navy-950);
    position: relative;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-400), transparent);
    opacity: 0.3;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-text {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.contact-icon {
    width: 28px;
    height: 28px;
    color: var(--gold-400);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-item strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--cream);
    margin-bottom: 0.25rem;
}

.contact-item p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.contact-item a {
    color: var(--gold-400);
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--gold-300);
    text-decoration: underline;
}

.contact-form-wrapper {
    background: var(--navy-800);
    border-radius: 12px;
    padding: 2.5rem;
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.contact-form-wrapper h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--cream);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--navy-950);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 6px;
    color: var(--text-light);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--gold-400);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 6px;
    margin-top: 1rem;
    color: var(--gold-400);
    font-size: 0.9rem;
}

.form-success svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ========================================
   Footer
======================================== */
.footer {
    background: var(--navy-950);
    border-top: 1px solid rgba(212, 175, 55, 0.15);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

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

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--gold-400);
}

.footer-address {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ========================================
   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);
    }
}

/* ========================================
   Responsive
======================================== */
@media (max-width: 1024px) {
    .about-grid {
        gap: 3rem;
    }

    .menu-categories {
        gap: 1.5rem;
    }

    .contact-grid {
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--navy-900);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        transition: right 0.4s ease;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    }

    .nav-links.active {
        right: 0;
    }

    .mobile-menu-btn {
        display: block;
        z-index: 1001;
    }

    .hero-title {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .about-image {
        max-height: 400px;
    }

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

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.25rem;
    }

    .about-section,
    .menu-section,
    .contact-section {
        padding: 5rem 0;
    }

    .menu-category {
        padding: 1.75rem;
    }

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