.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: var(--spacing-xs) 0;
}

.mobile-nav-items {
    display: flex;
    justify-content: space-around;
    align-items: center;
    list-style: none;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-xs);
    color: #6B7280;
    text-decoration: none;
    transition: var(--transition-fast);
    min-width: 60px;
    font-size: 11px;
    font-weight: 500;
}

.mobile-nav-item.active {
    color: var(--primary-color);
}

.mobile-nav-icon {
    width: 24px;
    height: 24px;
    transition: var(--transition-fast);
}

.mobile-nav-item.active .mobile-nav-icon {
    transform: scale(1.2);
}

.carousel {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    padding: var(--spacing-md) 0;
}

.carousel::-webkit-scrollbar {
    display: none;
}

.carousel-item {
    flex: 0 0 auto;
    scroll-snap-align: start;
    width: 300px;
}

.horizontal-scroll {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    padding: var(--spacing-md) 0;
}

.horizontal-scroll::-webkit-scrollbar {
    height: 6px;
}

.horizontal-scroll::-webkit-scrollbar-track {
    background: #E5E7EB;
    border-radius: 3px;
}

.horizontal-scroll::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-menu {
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .mobile-nav {
        display: block;
    }
    
    .nav-menu {
        display: none;
    }
    
    main {
        padding-bottom: 80px;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .card {
        margin-bottom: var(--spacing-md);
    }
    
    .carousel-item {
        width: 280px;
    }
    
    .footer-links,
    .footer-contact {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    h1 {
        font-size: 32px;
    }
    
    h2 {
        font-size: 24px;
    }
    
    .result-value {
        font-size: 36px;
    }
    
    .stat-number {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 24px;
        --spacing-xl: 32px;
        --spacing-2xl: 48px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    h1 {
        font-size: 28px;
    }
    
    h2 {
        font-size: 22px;
    }
    
    h3 {
        font-size: 18px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 15px;
    }
    
    .btn-large {
        height: 48px;
        padding: 0 24px;
        font-size: 15px;
    }
    
    .card {
        padding: var(--spacing-md);
        border-radius: var(--border-radius-sm);
    }
    
    .card-hero {
        min-height: 280px;
        padding: var(--spacing-lg);
    }
    
    .result-value {
        font-size: 32px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .carousel-item {
        width: 260px;
    }
    
    .slider-value {
        font-size: 20px;
    }
    
    .credit-amount {
        font-size: 24px;
    }
}

@media (min-width: 769px) {
    .horizontal-scroll {
        flex-wrap: wrap;
        overflow-x: visible;
    }
    
    .carousel {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        overflow-x: visible;
    }
    
    .carousel-item {
        width: auto;
    }
}

@media (hover: none) and (pointer: coarse) {
    .card:hover {
        transform: none;
    }
    
    .card-benefit:hover {
        transform: none;
    }
    
    .btn-primary:hover {
        transform: none;
    }
    
    button,
    .btn,
    a {
        min-height: 48px;
        min-width: 48px;
    }
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 17, 40, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: var(--spacing-md);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: var(--surface);
    border-radius: var(--border-radius-md);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid #E5E7EB;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    background: var(--surface);
    z-index: 1;
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
}

.modal-close {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition-fast);
    color: #6B7280;
}

.modal-close:hover {
    background: var(--background);
    color: var(--text);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid #E5E7EB;
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

@media (max-width: 768px) {
    .modal {
        max-width: 100%;
        max-height: 95vh;
        margin: var(--spacing-sm);
        border-radius: var(--border-radius-sm);
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-md);
    }
    
    .modal-title {
        font-size: 20px;
    }
}

.filter-bar {
    position: sticky;
    top: 70px;
    background: var(--surface);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
    z-index: 100;
}

@media (max-width: 768px) {
    .filter-bar {
        top: 60px;
    }
}

.search-box {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.search-input {
    width: 100%;
    padding: 16px 48px 16px 16px;
    border: 2px solid #E5E7EB;
    border-radius: var(--border-radius-md);
    font-size: 18px;
    transition: var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.search-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    color: #9CA3AF;
    pointer-events: none;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
}

.empty-state-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-lg);
    opacity: 0.3;
}

.empty-state h3 {
    font-size: 24px;
    margin-bottom: var(--spacing-sm);
    color: #6B7280;
}

.empty-state p {
    color: #9CA3AF;
    font-size: 16px;
}

@media print {
    header,
    footer,
    .mobile-nav,
    .btn,
    .filter-bar {
        display: none;
    }
    
    main {
        padding-top: 0;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #E5E7EB;
    }
}