/* ============================================
   Tacos El Primo — Classic & Elegant Design
   Midnight Blue + Mint Palette
   ============================================ */

/* CSS Custom Properties */
:root {
    --midnight-blue-950: #050d1a;
    --midnight-blue-900: #0a1628;
    --midnight-blue-800: #0f2140;
    --midnight-blue-700: #152d56;
    --midnight-blue-600: #1a3a6e;
    --midnight-blue-500: #1f4685;
    --midnight-blue-400: #2a5aa0;
    
    --mint-50: #f0faf4;
    --mint-100: #d9f0e4;
    --mint-200: #b8e2cc;
    --mint-300: #8ecfb0;
    --mint-400: #5fb890;
    --mint-500: #3fa378;
    --mint-600: #2d8a64;
    --mint-700: #236e4f;
    
    --warm-cream: #faf8f5;
    --warm-warm: #f5f0ea;
    --warm-beige: #ebe4da;
    
    --text-dark: #0a1628;
    --text-medium: #2c3e50;
    --text-light: #5a6b7d;
    --text-white: #f8faf9;
    
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.08);
    --shadow-md: 0 4px 16px rgba(10, 22, 40, 0.10);
    --shadow-lg: 0 8px 32px rgba(10, 22, 40, 0.12);
    --shadow-xl: 0 16px 48px rgba(10, 22, 40, 0.15);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    background-color: var(--warm-cream);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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 {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Section Labels */
.section-label {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--mint-600);
    margin-bottom: 12px;
    position: relative;
    padding-left: 28px;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 1.5px;
    background-color: var(--mint-400);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--midnight-blue-900);
    line-height: 1.2;
    margin-bottom: 20px;
}

.section-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-light);
    max-width: 560px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header .section-subtitle {
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    border-radius: 50px;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--mint-500);
    color: var(--midnight-blue-900);
    border: 2px solid var(--mint-500);
}

.btn-primary:hover {
    background-color: var(--mint-400);
    border-color: var(--mint-400);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.8);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--midnight-blue-800);
    border: 2px solid var(--midnight-blue-800);
}

.btn-outline:hover {
    background-color: var(--midnight-blue-800);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition);
}

.navbar.scrolled {
    background-color: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 12px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-white);
    letter-spacing: 0.02em;
}

.nav-logo-text {
    transition: color var(--transition);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.03em;
    transition: color var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: var(--mint-400);
    transition: width var(--transition);
}

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

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

.nav-cta {
    padding: 10px 24px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--midnight-blue-900);
    background-color: var(--mint-400);
    border-radius: 50px;
    transition: all var(--transition);
    letter-spacing: 0.03em;
}

.nav-cta:hover {
    background-color: var(--mint-300);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(95, 184, 144, 0.3);
}

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

.nav-toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-white);
    border-radius: 2px;
    transition: all var(--transition);
}

.nav-toggle.active .nav-toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active .nav-toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: 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(
        180deg,
        rgba(5, 13, 26, 0.55) 0%,
        rgba(10, 22, 40, 0.70) 50%,
        rgba(10, 22, 40, 0.85) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: 0 24px;
    padding-top: 80px;
}

.hero-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--mint-300);
    margin-bottom: 24px;
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(2.2rem, 5.5vw, 4rem);
    font-weight: 700;
    color: var(--text-white);
    line-height: 1.15;
    margin-bottom: 24px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.hero-headline em {
    font-style: italic;
    color: var(--mint-300);
}

.hero-subheadline {
    font-family: var(--font-sans);
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    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;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: float 2.5s ease-in-out infinite;
}

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

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: 120px 0;
    background-color: var(--warm-cream);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-image-wrapper img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    border: 3px solid var(--mint-200);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-content {
    padding: 20px 0;
}

.about-features {
    display: flex;
    gap: 32px;
    margin-top: 40px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
}

.about-feature svg {
    color: var(--mint-600);
    flex-shrink: 0;
}

/* ============================================
   MENU SECTION
   ============================================ */
.menu {
    padding: 120px 0;
    background-color: var(--midnight-blue-900);
}

.menu .section-label {
    color: var(--mint-400);
}

.menu .section-title {
    color: var(--text-white);
}

.menu .section-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

.menu-categories {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.menu-cat-btn {
    padding: 10px 28px;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.6);
    border: 1.5px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    transition: all var(--transition);
}

.menu-cat-btn:hover {
    color: var(--text-white);
    border-color: rgba(255, 255, 255, 0.4);
}

.menu-cat-btn.active {
    color: var(--midnight-blue-900);
    background-color: var(--mint-400);
    border-color: var(--mint-400);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
}

.menu-item {
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition);
}

.menu-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.15);
}

.menu-item-image {
    height: 200px;
    overflow: hidden;
}

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

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

.menu-item-body {
    padding: 24px;
}

.menu-item-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.menu-item-name {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-white);
}

.menu-item-tag {
    font-family: var(--font-sans);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mint-400);
    background-color: rgba(95, 184, 144, 0.12);
    padding: 3px 10px;
    border-radius: 50px;
    white-space: nowrap;
}

.menu-item-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.55);
}

.menu-note {
    text-align: center;
    margin-top: 48px;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.35);
    font-style: italic;
}

/* ============================================
   GALLERY SECTION
   ============================================ */
.gallery {
    padding: 120px 0;
    background-color: var(--warm-warm);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.gallery-item:hover img {
    transform: scale(1.06);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(10, 22, 40, 0.3) 100%);
    opacity: 0;
    transition: opacity var(--transition);
}

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

/* ============================================
   VISIT SECTION
   ============================================ */
.visit {
    padding: 120px 0;
    background-color: var(--warm-cream);
}

.visit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.visit-info {
    padding: 20px 0;
}

.visit-details {
    margin-top: 48px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.visit-detail {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.visit-detail svg {
    color: var(--mint-600);
    flex-shrink: 0;
    margin-top: 2px;
}

.visit-detail strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 600;
    color: var(--midnight-blue-900);
    margin-bottom: 4px;
}

.visit-detail p {
    font-size: 0.92rem;
    color: var(--text-light);
    line-height: 1.6;
}

.visit-detail a {
    color: var(--midnight-blue-600);
    transition: color var(--transition);
}

.visit-detail a:hover {
    color: var(--mint-600);
}

.visit-cta {
    display: flex;
    gap: 16px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.visit-map {
    height: 480px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--midnight-blue-900);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 16px;
}

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

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--mint-400);
    margin-bottom: 20px;
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links li a,
.footer-contact li a,
.footer-contact li {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.55);
    transition: color var(--transition);
}

.footer-links li a:hover,
.footer-contact li a:hover {
    color: var(--mint-300);
}

.footer-bottom {
    padding: 28px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.3);
}

/* ============================================
   SCROLL ANIMATIONS (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);
    }
    
    .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; }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .about-grid {
        gap: 48px;
    }
    
    .visit-grid {
        gap: 40px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--midnight-blue-900);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 40px;
        transition: right var(--transition);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
    }
    
    .nav-menu.open {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.1rem;
        color: rgba(255, 255, 255, 0.8);
    }
    
    .nav-cta {
        margin-top: 8px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image-wrapper img {
        height: 400px;
    }
    
    .about-features {
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .menu-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .visit-grid {
        grid-template-columns: 1fr;
    }
    
    .visit-map {
        height: 320px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    
    .hero-headline {
        font-size: clamp(1.8rem, 7vw, 2.8rem);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .about,
    .menu,
    .gallery,
    .visit {
        padding: 80px 0;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .menu-categories {
        gap: 6px;
    }
    
    .menu-cat-btn {
        padding: 8px 18px;
        font-size: 0.8rem;
    }
    
    .visit-cta {
        flex-direction: column;
    }
    
    .footer-grid {
        gap: 28px;
    }
}