/* ===================================
   RESPONSIVE DESIGN - MOBILE FIRST
   =================================== */

/* Tablet - 768px and up */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 2.5rem;
        --spacing-xxl: 3rem;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }

    /* Navigation */
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        gap: 0;
        box-shadow: var(--shadow-md);
        padding: var(--spacing-md);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: var(--spacing-sm);
        border-bottom: 1px solid var(--bg-gray);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    /* Hero Section */
    .hero {
        min-height: 500px;
        padding: var(--spacing-xl) 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-search {
        flex-direction: column;
    }

    .search-input-group {
        min-width: 100%;
    }

    .search-btn {
        width: 100%;
    }

    /* Filter Bar */
    .filter-bar {
        top: 60px;
    }

    .filter-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .filter-group {
        width: 100%;
        min-width: 100%;
    }

    /* Restaurant Grid */
    .restaurant-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    /* Guides Grid */
    .guides-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    /* Reviews Grid */
    .reviews-grid {
        grid-template-columns: 1fr;
    }

    /* Section Headers */
    .section-header h2 {
        font-size: 1.75rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    /* Newsletter */
    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-input {
        width: 100%;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    /* Stats Bar */
    .stats-bar {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    /* Image Gallery */
    .image-gallery {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-main {
        grid-column: 1 / 3;
        grid-row: 1;
    }

    .gallery-item {
        height: 150px;
    }

    /* Card adjustments */
    .card-footer {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }

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

/* Mobile - 480px and below */
@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-xxl: 2.5rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }

    /* Hero */
    .hero {
        min-height: 400px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.9375rem;
    }

    /* Section spacing */
    .featured-section,
    .guides-section,
    .reviews-section,
    .newsletter-section {
        padding: var(--spacing-xl) 0;
    }

    /* Restaurant cards */
    .card-image {
        height: 180px;
    }

    .card-content {
        padding: var(--spacing-sm);
    }

    .card-features {
        gap: 4px;
    }

    .feature-tag {
        font-size: 0.6875rem;
        padding: 3px 8px;
    }

    /* Guide cards */
    .guide-image {
        height: 140px;
    }

    .guide-icon {
        font-size: 3rem;
    }

    /* Newsletter */
    .newsletter-content h2 {
        font-size: 1.5rem;
    }

    /* Feature icons */
    .feature-icons {
        justify-content: center;
    }

    .feature-item {
        min-width: 70px;
    }

    .feature-item-icon {
        font-size: 1.5rem;
    }

    /* Image gallery - single column on very small screens */
    .image-gallery {
        grid-template-columns: 1fr;
    }

    .gallery-main {
        grid-column: 1;
    }

    .gallery-item {
        height: 200px;
    }
}

/* Large Desktop - 1400px and up */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .section-header h2 {
        font-size: 2.75rem;
    }

    .restaurant-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===================================
   MOBILE OPTIMIZATION UTILITIES
   =================================== */

/* Touch-friendly buttons */
@media (hover: none) {
    .btn,
    .card-cta,
    .mobile-menu-toggle {
        min-height: 44px;
        min-width: 44px;
    }

    .filter-group select {
        min-height: 44px;
    }
}

/* Sticky mobile elements */
@media (max-width: 768px) {
    .sticky-mobile-cta {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: white;
        padding: var(--spacing-sm);
        box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
        z-index: 1000;
        display: flex;
        gap: var(--spacing-xs);
    }

    .sticky-mobile-cta .btn {
        flex: 1;
    }

    /* Add bottom padding to body when sticky CTA is present */
    body.has-sticky-cta {
        padding-bottom: 80px;
    }
}

/* ===================================
   PRINT STYLES
   =================================== */

@media print {
    .navbar,
    .filter-bar,
    .newsletter-section,
    .footer,
    .btn,
    .sticky-mobile-cta {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    .restaurant-card,
    .guide-card,
    .review-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--border-color);
    }

    a {
        color: var(--text-primary);
        text-decoration: underline;
    }
}

/* ===================================
   ACCESSIBILITY ENHANCEMENTS
   =================================== */

/* Focus styles for keyboard navigation */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Reduced motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --shadow-sm: 0 0 0 1px var(--border-color);
        --shadow-md: 0 0 0 2px var(--border-color);
        --shadow-lg: 0 0 0 3px var(--border-color);
    }

    .btn-outline {
        border-width: 3px;
    }

    .feature-tag,
    .tag {
        border: 1px solid var(--border-color);
    }
}

/* Dark mode support (optional - can be enabled later) */
@media (prefers-color-scheme: dark) {
    /* Dark mode variables would go here if implemented */
}

/* ===================================
   ORIENTATION SPECIFIC STYLES
   =================================== */

@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: 400px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-search {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .search-input-group {
        flex: 1;
        min-width: 200px;
    }
}

/* ===================================
   UTILITY CLASSES FOR RESPONSIVE
   =================================== */

/* Hide on mobile */
.hide-mobile {
    @media (max-width: 768px) {
        display: none !important;
    }
}

/* Show only on mobile */
.show-mobile {
    display: none !important;
    @media (max-width: 768px) {
        display: block !important;
    }
}

/* Text alignment */
@media (max-width: 768px) {
    .mobile-text-center {
        text-align: center !important;
    }
}

/* Full width on mobile */
@media (max-width: 768px) {
    .mobile-full-width {
        width: 100% !important;
    }
}