/* ============================================
   Ámbar Mexican Restaurant — Custom Styles
   Palette: Midnight Blue (#0d1b2a) + Mint (#a8e6cf)
   Typography: Playfair Display + Inter
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --color-midnight: #0d1b2a;
    --color-midnight-light: #1b2d45;
    --color-midnight-dark: #070f18;
    --color-mint: #a8e6cf;
    --color-mint-light: #d1f2e4;
    --color-mint-dark: #6bc9a8;
    --color-cream: #f8f6f0;
    --color-warm-white: #faf9f6;
    --color-text: #1a1a1a;
    --color-text-light: #4a4a4a;
    --color-text-muted: #7a7a7a;
    --color-border: #e8e4dc;
    --color-accent-gold: #d4a853;
    
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 1px 3px rgba(13, 27, 42, 0.08);
    --shadow-md: 0 4px 20px rgba(13, 27, 42, 0.1);
    --shadow-lg: 0 8px 40px rgba(13, 27, 42, 0.12);
    --shadow-xl: 0 16px 60px rgba(13, 27, 42, 0.15);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-warm-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    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 {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-midnight);
}

em {
    font-style: italic;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
    padding: var(--space-lg) 0;
}

.navbar.scrolled {
    background: rgba(13, 27, 42, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
    padding: var(--space-sm) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.02em;
}

.logo-amber {
    color: var(--color-mint);
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link:hover {
    color: #fff;
}

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

.nav-cta {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-midnight);
    background: var(--color-mint);
    padding: 0.6rem 1.4rem;
    border-radius: var(--radius-full);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: background 0.3s ease, transform 0.3s ease;
}

.nav-cta:hover {
    background: var(--color-mint-light);
    transform: translateY(-1px);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
}

.nav-toggle-line {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.active .nav-toggle-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active .nav-toggle-line:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .nav-toggle-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(7, 15, 24, 0.88) 0%,
        rgba(13, 27, 42, 0.75) 50%,
        rgba(13, 27, 42, 0.60) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 860px;
    padding: 0 var(--space-lg);
}

.hero-tag {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-mint);
    margin-bottom: var(--space-lg);
}

.hero-headline {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    color: #fff;
    line-height: 1.08;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.hero-headline em {
    color: var(--color-mint);
    font-style: italic;
}

.hero-sub {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-mint);
    color: var(--color-midnight);
}

.btn-primary:hover {
    background: var(--color-mint-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(168, 230, 207, 0.3);
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-light:hover {
    border-color: var(--color-mint);
    color: var(--color-mint);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.15rem 2.5rem;
    font-size: 0.95rem;
}

/* --- Features Bar --- */
.features-bar {
    background: var(--color-midnight);
    padding: var(--space-2xl) 0;
}

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

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

.feature-icon {
    color: var(--color-mint);
    flex-shrink: 0;
    margin-top: 2px;
}

.feature-item h3 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}

.feature-item p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
}

/* --- Section Shared --- */
.section-tag {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-mint-dark);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.section-title em {
    color: var(--color-mint-dark);
    font-style: italic;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 600px;
    line-height: 1.7;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

/* --- Menu Section --- */
.menu-section {
    padding: var(--space-4xl) 0;
    background: var(--color-warm-white);
}

.menu-categories {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.menu-cat-btn {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-border);
    transition: all 0.3s ease;
}

.menu-cat-btn:hover,
.menu-cat-btn.active {
    background: var(--color-midnight);
    color: #fff;
    border-color: var(--color-midnight);
}

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

.menu-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.menu-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.menu-card-img {
    height: 220px;
    overflow: hidden;
}

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

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

.menu-card-body {
    padding: var(--space-lg);
}

.menu-card-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-midnight);
}

.menu-card-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.menu-cta {
    text-align: center;
    margin-top: var(--space-3xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--color-border);
}

.menu-cta p {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

/* --- About Section --- */
.about-section {
    padding: var(--space-4xl) 0;
    background: var(--color-cream);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-img-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-img-secondary {
    position: absolute;
    bottom: -40px;
    right: -30px;
    width: 55%;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 6px solid var(--color-cream);
}

.about-img-secondary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-content {
    padding: var(--space-lg) 0;
}

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

.about-stats {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-midnight);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* --- Gallery Section --- */
.gallery-section {
    padding: var(--space-4xl) 0;
    background: var(--color-warm-white);
}

.gallery-section .section-header {
    margin-bottom: var(--space-2xl);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: var(--space-md);
}

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

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

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(13, 27, 42, 0.7) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: var(--space-lg);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.gallery-item-overlay span {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
}

.gallery-item--tall {
    grid-row: span 2;
}

/* --- Testimonials Section --- */
.testimonials-section {
    padding: var(--space-4xl) 0;
    background: var(--color-midnight);
}

.testimonials-section .section-tag {
    color: var(--color-mint);
}

.testimonials-section .section-title {
    color: #fff;
}

.testimonials-section .section-title em {
    color: var(--color-mint);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    transition: background 0.3s ease;
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.08);
}

.testimonial-quote {
    margin-bottom: var(--space-md);
}

.testimonial-text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin-bottom: var(--space-md);
    font-style: italic;
}

.testimonial-author {
    font-size: 0.85rem;
    color: var(--color-mint);
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* --- Visit Section --- */
.visit-section {
    padding: var(--space-4xl) 0;
    background: var(--color-cream);
}

.visit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.visit-desc {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

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

.contact-icon {
    color: var(--color-mint-dark);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-item strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-midnight);
    margin-bottom: 4px;
}

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

.contact-item a {
    color: var(--color-midnight);
    font-weight: 600;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--color-mint-dark);
}

.visit-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.visit-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    min-height: 500px;
}

/* --- CTA Banner --- */
.cta-banner {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--color-midnight-dark) 0%, var(--color-midnight) 100%);
    text-align: center;
}

.cta-headline {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 900;
    color: #fff;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.cta-text {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 550px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Footer --- */
.footer {
    background: var(--color-midnight-dark);
    padding: var(--space-3xl) 0 var(--space-lg);
}

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

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
    display: inline-block;
    margin-bottom: var(--space-md);
}

.footer-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4,
.footer-hours h4 {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-mint);
    margin-bottom: var(--space-md);
}

.footer-links ul,
.footer-contact ul,
.footer-hours ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links a,
.footer-contact a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.3s ease;
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--color-mint);
}

.footer-hours li {
    display: flex;
    justify-content: space-between;
    gap: var(--space-md);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-hours li span {
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.35);
    transition: color 0.3s ease;
}

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

/* --- Scroll Reveal (progressive enhancement) --- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .about-img-secondary {
        right: 0;
        width: 50%;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }

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

    .visit-map {
        min-height: 350px;
    }

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

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-midnight);
        flex-direction: column;
        justify-content: center;
        gap: var(--space-lg);
        padding: var(--space-xl);
        transition: right 0.4s ease;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
    }

    .nav-menu.open {
        right: 0;
    }

    .nav-link {
        font-size: 1.1rem;
    }

    .nav-cta {
        margin-top: var(--space-sm);
    }

    .hero-headline {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .feature-item {
        flex-direction: column;
        text-align: center;
    }

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

    .gallery-item--tall {
        grid-row: span 1;
    }

    .about-img-secondary {
        position: relative;
        bottom: auto;
        right: auto;
        width: 100%;
        margin-top: var(--space-md);
        border: none;
    }

    .about-stats {
        flex-wrap: wrap;
        gap: var(--space-lg);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

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

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

    .btn {
        width: 100%;
        justify-content: center;
    }

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

    .menu-categories {
        gap: 8px;
    }

    .menu-cat-btn {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }

    .visit-actions {
        flex-direction: column;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
}