/* ===== CSS Variables ===== */
:root {
    --primary: #0066FF;
    --primary-dark: #0052CC;
    --primary-light: #E6F0FF;
    --secondary: #FF6B35;
    --secondary-dark: #E55A2B;
    --accent: #00D4AA;
    --dark: #1A1A2E;
    --dark-light: #2D2D44;
    --gray-900: #111827;
    --gray-800: #1F2937;
    --gray-700: #374151;
    --gray-600: #4B5563;
    --gray-500: #6B7280;
    --gray-400: #9CA3AF;
    --gray-300: #D1D5DB;
    --gray-200: #E5E7EB;
    --gray-100: #F3F4F6;
    --gray-50: #F9FAFB;
    --white: #FFFFFF;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

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

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

input, select {
    font-family: inherit;
    font-size: inherit;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(0, 102, 255, 0.39);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(0, 102, 255, 0.5);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-800);
    border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--dark);
}

.logo i {
    color: var(--primary);
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--gray-600);
    position: relative;
}

.nav-links a:hover {
    color: var(--primary);
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.search-box {
    position: relative;
}

.search-box input {
    width: 220px;
    padding: 0.625rem 1rem 0.625rem 2.5rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    background: var(--gray-50);
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    width: 280px;
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.btn-notification {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    color: var(--gray-600);
    transition: var(--transition);
}

.btn-notification:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.notification-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    background: var(--secondary);
    color: var(--white);
    font-size: 0.6875rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
    color: var(--gray-700);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: auto;
    display: flex;
    align-items: center;
    padding: 100px 0 50px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    z-index: -1;
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -20%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    color: var(--white);
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero h1 .highlight {
    position: relative;
    display: inline-block;
}

.hero h1 .highlight::after {
    content: '';
    position: absolute;
    bottom: 0.1em;
    left: 0;
    right: 0;
    height: 0.3em;
    background: rgba(255, 107, 53, 0.5);
    z-index: -1;
    border-radius: 2px;
}

.hero p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
}

.stat-label {
    font-size: 0.75rem;
    opacity: 0.8;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    opacity: 0.7;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ===== Filters Section ===== */
.filters-section {
    padding: 1.5rem 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 72px;
    z-index: 100;
}

.filters-section .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    background: var(--gray-100);
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.filter-btn:hover {
    background: var(--gray-200);
}

.filter-btn.active {
    background: var(--primary);
    color: var(--white);
}

.sort-options select {
    padding: 0.625rem 2rem 0.625rem 1rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    background: var(--white);
    color: var(--gray-700);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236B7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1.25rem;
}

.sort-options select:focus {
    outline: none;
    border-color: var(--primary);
}

/* ===== Section Header ===== */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.section-header h2 i {
    color: var(--secondary);
}

.section-header p {
    color: var(--gray-500);
    font-size: 1.0625rem;
}

/* ===== Deals Section ===== */
.deals-section {
    padding: 4rem 0;
}

.deals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.deal-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

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

.deal-card-header {
    padding: 1.25rem 1.25rem 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.deal-route {
    flex: 1;
}

.deal-cities {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.city-from, .city-to {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark);
}

.route-arrow {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--gray-400);
}

.route-arrow .line {
    width: 24px;
    height: 2px;
    background: var(--gray-300);
}

.route-arrow i {
    font-size: 0.75rem;
}

.deal-type {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-full);
}

.deal-type.one-way {
    background: #FEF3C7;
    color: #D97706;
}

.deal-price-tag {
    text-align: right;
}

.deal-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--success);
}

.deal-price-note {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.deal-card-body {
    padding: 1rem 1.25rem;
}

.deal-details {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.deal-detail {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.deal-detail i {
    color: var(--gray-400);
    width: 16px;
}

.deal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.deal-tag {
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--gray-100);
    color: var(--gray-600);
    border-radius: var(--radius-sm);
}

.deal-tag.highlight {
    background: #DCFCE7;
    color: #166534;
}

.deal-card-footer {
    padding: 1rem 1.25rem;
    background: var(--gray-50);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--gray-100);
}

.deal-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.deal-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    color: var(--gray-500);
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--gray-200);
    color: var(--primary);
}

.btn-icon.saved {
    color: var(--secondary);
}

.deal-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--white);
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
}

.load-more {
    text-align: center;
    margin-top: 2.5rem;
}

/* ===== Campaigns Section ===== */
.campaigns-section {
    padding: 4rem 0;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.campaigns-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.campaign-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

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

.campaign-card.featured {
    grid-column: span 1;
}

.campaign-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--secondary);
    color: var(--white);
    border-radius: var(--radius-full);
    z-index: 1;
}

.campaign-image {
    position: relative;
    height: 160px;
    overflow: hidden;
}

.campaign-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.campaign-content {
    padding: 1.25rem;
}

.campaign-content h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.campaign-content p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.campaign-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.campaign-date {
    font-size: 0.8125rem;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

/* ===== Guides Section ===== */
.guides-section {
    padding: 4rem 0;
}

.guides-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.guide-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.guide-card.large {
    grid-column: span 2;
    grid-row: span 2;
}

.guide-image {
    position: relative;
    height: 160px;
    overflow: hidden;
}

.guide-card.large .guide-image {
    height: 240px;
}

.guide-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.guide-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(0, 0, 0, 0.6);
    color: var(--white);
    border-radius: var(--radius-full);
}

.guide-content {
    padding: 1.25rem;
}

.guide-card.large .guide-content {
    padding: 1.5rem;
}

.guide-content h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.guide-card.large .guide-content h3 {
    font-size: 1.375rem;
    -webkit-line-clamp: 3;
}

.guide-content p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.guide-card.large .guide-content p {
    -webkit-line-clamp: 3;
}

.guide-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.guide-meta span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.guide-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
}

.guide-link:hover {
    gap: 0.75rem;
}

/* ===== Newsletter Section ===== */
.newsletter-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
}

.newsletter-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    flex-wrap: wrap;
}

.newsletter-text {
    flex: 1;
    min-width: 300px;
}

.newsletter-text h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.newsletter-text h2 i {
    color: var(--secondary);
}

.newsletter-text p {
    color: var(--gray-400);
    font-size: 1rem;
}

.newsletter-form {
    flex: 1;
    min-width: 300px;
}

.newsletter-form .form-group {
    display: flex;
    gap: 0.75rem;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem 1.25rem;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: var(--transition);
}

.newsletter-form input::placeholder {
    color: var(--gray-400);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.15);
}

.form-note {
    margin-top: 0.75rem;
    font-size: 0.8125rem;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-note i {
    color: var(--success);
}

/* ===== Destinations Section ===== */
.destinations-section {
    padding: 4rem 0;
    background: var(--gray-50);
}

.destinations-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
}

.destination-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 3/4;
}

.destination-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.destination-card:hover img {
    transform: scale(1.1);
}

.destination-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.25rem;
    color: var(--white);
}

.destination-overlay h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.destination-overlay p {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark);
    color: var(--gray-400);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    font-size: 1.125rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    color: var(--white);
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 1.25rem;
}

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

.footer-links a {
    font-size: 0.9375rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 0.5rem;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.875rem;
}

.footer-bottom .disclaimer {
    margin-top: 0.5rem;
    font-size: 0.8125rem;
    opacity: 0.7;
}

/* ===== Mobile Menu ===== */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background: var(--white);
    z-index: 2000;
    transition: var(--transition);
    box-shadow: var(--shadow-xl);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    border-bottom: 1px solid var(--gray-200);
}

.close-menu {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
    color: var(--gray-600);
}

.mobile-nav {
    padding: 1rem 0;
}

.mobile-nav a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    font-weight: 500;
    color: var(--gray-700);
    transition: var(--transition);
}

.mobile-nav a:hover {
    background: var(--gray-50);
    color: var(--primary);
}

.mobile-social {
    padding: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
    border-top: 1px solid var(--gray-200);
}

.mobile-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius);
    font-size: 1.25rem;
    color: var(--gray-600);
    transition: var(--transition);
}

.mobile-social a:hover {
    background: var(--primary);
    color: var(--white);
}

.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1500;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 100;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .guides-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .guide-card.large {
        grid-column: span 1;
        grid-row: span 1;
    }
    
    .guide-card.large .guide-image {
        height: 160px;
    }
    
    .guide-card.large .guide-content h3 {
        font-size: 1rem;
    }
}

@media (max-width: 1024px) {
    .campaigns-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .destinations-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-actions .search-box {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .hero-stats {
        gap: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .filters-section {
        top: 72px;
    }
    
    .filters {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 0.5rem;
        -webkit-overflow-scrolling: touch;
    }
    
    .filter-btn {
        flex-shrink: 0;
    }
    
    .deals-grid {
        grid-template-columns: 1fr;
    }
    
    .campaigns-grid {
        grid-template-columns: 1fr;
    }
    
    .guides-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-content {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-form .form-group {
        flex-direction: column;
    }
    
    .destinations-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .destinations-grid {
        grid-template-columns: 1fr;
    }
    
    .destination-card {
        aspect-ratio: 16/9;
    }
}

/* ===== Ad Slots ===== */
.ad-slot {
    grid-column: 1 / -1;
    margin: 1rem 0;
}

.ad-infeed {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-50) 100%);
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
}

.ad-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-400);
}

.ad-placeholder i {
    font-size: 2rem;
}

.ad-placeholder span {
    font-weight: 600;
    color: var(--gray-500);
}

.ad-placeholder small {
    font-size: 0.75rem;
}

/* Affiliate Card */
.ad-affiliate {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.affiliate-card {
    position: relative;
    padding: 1.25rem;
}

.affiliate-badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.25rem 0.625rem;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    background: var(--gray-100);
    border-radius: var(--radius-full);
}

.affiliate-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.affiliate-logo {
    width: 60px;
    height: 60px;
    border-radius: var(--radius);
    object-fit: contain;
    background: var(--gray-50);
    padding: 0.5rem;
}

.affiliate-info {
    flex: 1;
}

.affiliate-info h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.affiliate-info p {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.affiliate-link {
    flex-shrink: 0;
}

/* Sidebar Ad */
.ad-sidebar {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.ad-sidebar-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-400);
    margin-bottom: 0.75rem;
    text-align: center;
}

/* Header Ad Banner */
.ad-header-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 0.75rem 1rem;
    text-align: center;
    font-size: 0.875rem;
}

.ad-header-banner a {
    color: var(--white);
    font-weight: 600;
    text-decoration: underline;
}

.ad-header-banner a:hover {
    text-decoration: none;
}

/* Native Ad in Content */
.ad-native {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin: 1.5rem 0;
}

.ad-native-label {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-500);
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
}

/* ===== Skeleton Loading ===== */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.loading-skeleton {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    width: 100%;
}

.skeleton-card {
    height: 280px;
    border-radius: var(--radius-lg);
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

.error-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.error-message i {
    font-size: 3rem;
    color: var(--error);
    margin-bottom: 1rem;
}

.error-message p {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-text.short {
    width: 60%;
}

/* ===== Cookie Consent Banner ===== */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--dark);
    color: var(--white);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    z-index: 2000;
    transform: translateY(100%);
    transition: var(--transition);
}

.cookie-consent.visible {
    transform: translateY(0);
}

.cookie-consent p {
    font-size: 0.875rem;
    flex: 1;
}

.cookie-consent p a {
    color: var(--primary-light);
    text-decoration: underline;
}

.cookie-consent-buttons {
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
}

/* ===== Print Styles ===== */
@media print {
    .header,
    .footer,
    .ad-slot,
    .back-to-top,
    .cookie-consent,
    .mobile-menu,
    .mobile-overlay {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .deal-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* ===== High Contrast Mode ===== */
@media (prefers-contrast: high) {
    :root {
        --primary: #0000FF;
        --secondary: #FF0000;
        --gray-600: #000000;
    }
    
    .deal-card,
    .campaign-card,
    .guide-card {
        border: 2px solid var(--dark);
    }
}