/* CSS Variables */
:root {
    --primary: #FF3366;
    --primary-light: #FF6B35;
    --secondary: #0A0A0A;
    --bg-dark: #050505;
    --bg-card: #111111;
    --bg-card-hover: #1A1A1A;
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0A0;
    --text-muted: #666666;
    --border-color: #222222;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --shadow-glow: 0 0 60px rgba(255, 51, 102, 0.15);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --font-display: 'Unbounded', sans-serif;
    --font-body: 'Manrope', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 3rem;
    text-align: center;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 100px;
    height: auto;
    max-height: 80px;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav {
    display: flex;
    gap: 40px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
}

.phone-icon {
    font-size: 1.2rem;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

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

.hero-gradient {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 100%;
    height: 150%;
    background: radial-gradient(ellipse at center, rgba(255, 51, 102, 0.15) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 51, 102, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 51, 102, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 51, 102, 0.1);
    border: 1px solid rgba(255, 51, 102, 0.3);
    border-radius: 100px;
    font-size: 0.9rem;
    color: var(--primary);
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-title .gradient-text {
    font-size: 0.85em;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-bottom: 40px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    background: var(--gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    position: relative;
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-glow);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-car-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.hero-card-content {
    padding: 24px;
}

.hero-card-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--gradient);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.hero-card h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.hero-card-price {
    font-size: 1.3rem;
    color: var(--primary);
    font-weight: 700;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.9rem;
    animation: bounce 2s ease-in-out infinite;
}

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

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
}

/* Advantages Section */
.advantages {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--secondary) 100%);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.advantage-card {
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.advantage-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.advantage-card p {
    color: var(--text-secondary);
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal {
    position: relative;
    width: 100%;
    max-width: 480px;
    margin: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 48px;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

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

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--bg-card-hover);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.modal-content {
    text-align: center;
}

.modal-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.modal-content h2 {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.modal-content > p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px 20px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.submit-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 18px 36px;
    background: var(--gradient);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.modal-note {
    margin-top: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Catalog Section */
.catalog {
    position: relative;
    padding: 120px 0;
    background: var(--secondary);
}

.catalog .container {
    display: flex;
    flex-direction: column;
}

.catalog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 48px;
    order: 1;
}

.catalog-header .section-title {
    margin-bottom: 0;
    text-align: left;
}

.catalog-filters {
    display: flex;
    gap: 16px;
}

.catalog-filters select {
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    cursor: pointer;
    min-width: 180px;
}

/* Advanced Filters */
.advanced-filters {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 48px;
    order: 1;
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-group label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-group select,
.filter-group input {
    padding: 12px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: var(--font-body);
    transition: all 0.3s ease;
}

.filter-group select:hover,
.filter-group select:focus,
.filter-group input:hover,
.filter-group input:focus {
    border-color: var(--primary);
    outline: none;
    background: var(--secondary);
}

/* Custom Scrollbar for Select Dropdowns */
.filter-group select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23FF3366' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

.filter-group select option {
    background: var(--bg-dark);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin: 4px 0;
}

.filter-group select option:checked,
.filter-group select option:hover {
    background: var(--primary);
    color: white;
}

/* Scrollbar styles for all elements */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--primary) var(--bg-dark);
}

/* Webkit scrollbar (Chrome, Safari, Edge) */
*::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

*::-webkit-scrollbar-track {
    background: var(--bg-dark);
    border-radius: 4px;
}

*::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
    transition: background 0.3s ease;
}

*::-webkit-scrollbar-thumb:hover {
    background: #FF6B35;
}

.filter-group input::placeholder {
    color: var(--text-muted);
}

.filter-button-group {
    display: flex;
    flex-direction: row;
    gap: 12px;
    grid-column: span 2;
}

.filter-submit-button,
.filter-reset-button {
    flex: 1;
    padding: 16px 32px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-submit-button {
    background: var(--gradient);
    color: white;
}

.filter-submit-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.filter-reset-button {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.filter-reset-button:hover {
    background: var(--bg-dark);
    border-color: var(--text-secondary);
}

/* Скрываем кнопку переключения на десктопе по умолчанию */
.filter-toggle-mobile {
    display: none;
}

/* Responsive filters */
@media (max-width: 1200px) {
    .filters-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .advanced-filters {
        padding: 24px 16px;
    }

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

    .filter-button-group {
        grid-column: span 2;
    }

    /* Скрываем дополнительные фильтры на планшетах по умолчанию */
    .filter-group-mobile-hidden {
        display: none;
    }

    /* Показываем кнопку переключения на планшетах */
    .filter-toggle-mobile {
        display: block;
        grid-column: span 2;
    }

    /* Когда фильтры развернуты */
    .filters-expanded .filter-group-mobile-hidden {
        display: flex;
    }

    .filters-expanded .filter-toggle-button .toggle-icon {
        transform: rotate(180deg);
    }
}

@media (max-width: 480px) {
    .filters-grid {
        grid-template-columns: 1fr;
    }

    .filter-button-group {
        grid-column: span 1;
        flex-direction: column;
    }

    /* Скрываем дополнительные фильтры на мобильных по умолчанию */
    .filter-group-mobile-hidden {
        display: none;
    }

    /* Показываем кнопку переключения только на мобильных */
    .filter-toggle-mobile {
        display: block;
        grid-column: span 1;
    }

    /* Когда фильтры развернуты */
    .filters-expanded .filter-group-mobile-hidden {
        display: flex;
    }

    .filters-expanded .filter-toggle-button .toggle-icon {
        transform: rotate(180deg);
    }
}

.filter-toggle-button {
    width: 100%;
    padding: 14px 20px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-body);
}

.filter-toggle-button:hover {
    background: var(--bg-dark);
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.toggle-icon {
    transition: transform 0.3s ease;
    font-size: 0.875rem;
}

.access-overlay {
    position: relative;
    order: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    padding: 40px 0;
    margin-top: 24px;
}

@media (max-width: 768px) {
    .access-overlay {
        padding: 24px 0;
        margin-top: 16px;
    }
}

.access-overlay.hidden {
    display: none;
}

.access-content {
    text-align: center;
    max-width: 500px;
    padding: 60px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-glow);
    margin: 0 auto;
}

@media (max-width: 768px) {
    .access-content {
        padding: 40px 24px;
        max-width: 100%;
        margin: 0 16px;
    }

    .access-content h3 {
        font-size: 1.4rem;
        margin-bottom: 12px;
    }

    .access-content p {
        font-size: 0.9rem;
        margin-bottom: 24px;
    }

    .lock-icon {
        font-size: 3rem;
        margin-bottom: 16px;
    }
}

.access-overlay.hidden ~ .cars-grid {
    max-height: none;
    overflow: visible;
}

.lock-icon {
    font-size: 4rem;
    margin-bottom: 24px;
}

.access-content h3 {
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.access-content p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.cars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
    filter: blur(8px);
    pointer-events: none;
    transition: filter 0.5s ease, max-height 0.5s ease, overflow 0.5s ease;
    order: 2;
    position: relative;
    max-height: 400px;
    overflow: hidden;
}

.cars-grid.unlocked {
    filter: none;
    pointer-events: auto;
    max-height: none;
    overflow: visible;
}

@media (max-width: 768px) {
    .cars-grid {
        max-height: 300px;
    }
}

.car-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease;
}

.car-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.car-card-link:hover .car-card {
    transform: translateY(-8px);
    border-color: var(--primary);
}

.car-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
}

.car-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.car-content {
    padding: 24px;
}

.car-brand {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255, 51, 102, 0.1);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 12px;
}

.car-title {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: white;
    font-weight: 600;
}

.car-year {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.car-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.car-spec {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.car-prices {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.car-price-cny {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.car-price-rub {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    order: 4;
}

.pagination button {
    min-width: 44px;
    height: 44px;
    padding: 0 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination button:hover,
.pagination button.active {
    background: var(--gradient);
    border-color: var(--primary);
    color: white;
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Reviews Section */
.reviews {
    padding: 120px 0;
    background: var(--secondary);
    overflow: hidden;
}

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

.reviews-slider {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 60px;
}

.review-track {
    position: relative;
    width: 100%;
}

.review-card {
    display: none !important;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 48px;
    margin: 0 auto;
    animation: fadeIn 0.5s ease;
}

.review-card.active {
    display: grid !important;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: center;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.review-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-icon {
    font-size: 32px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark);
    border-radius: 50%;
}

.author-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.review-rating {
    display: flex;
    gap: 4px;
}

.review-rating .star {
    color: #FF3366;
    font-size: 24px;
}

.review-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
    text-align: left;
}

.review-date {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 8px;
}

.review-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    border: 1px solid var(--border-color);
}

.review-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.review-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
    transition: all 0.3s ease;
    z-index: 10;
}

.review-nav:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-50%) scale(1.1);
}

.review-prev {
    left: 0;
}

.review-next {
    right: 0;
}

.review-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 40px;
}

.review-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.review-dot.active {
    background: var(--primary);
    width: 32px;
    border-radius: 6px;
}

@media (max-width: 1024px) {
    .review-card.active {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .reviews-slider {
        padding: 0 40px;
    }
}

@media (max-width: 768px) {
    .reviews {
        padding: 80px 0;
    }

    .review-card {
        padding: 32px 24px;
    }

    .reviews-slider {
        padding: 0 20px;
    }

    .review-nav {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .author-icon {
        font-size: 24px;
        width: 40px;
        height: 40px;
    }

    .author-name {
        font-size: 20px;
    }

    .review-rating .star {
        font-size: 20px;
    }

    .review-text {
        font-size: 15px;
    }
}

/* Calculate by Link Section */
.calculate-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--secondary) 100%);
    position: relative;
    overflow: hidden;
}

.calculate-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 51, 102, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.calculate-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.calculate-content .section-title {
    margin-bottom: 16px;
}

.calculate-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.calculate-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.calculate-input-group {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 16px;
    margin-bottom: 24px;
}

.calculate-input-group input {
    padding: 18px 24px;
    background: var(--bg-dark);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 16px;
    font-family: var(--font-body);
    transition: all 0.3s ease;
}

.calculate-input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(255, 51, 102, 0.1);
}

.calculate-input-group input::placeholder {
    color: var(--text-muted);
}

.calculate-btn {
    padding: 18px 40px;
    background: var(--gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(255, 51, 102, 0.3);
}

.calculate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 51, 102, 0.5);
}

.calculate-examples {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.example-label {
    color: var(--text-muted);
    font-size: 14px;
}

.example-link {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.example-link:hover {
    background: var(--bg-dark);
    border-color: var(--primary);
    color: var(--primary);
}

@media (max-width: 768px) {
    .calculate-section {
        padding: 60px 0;
    }

    .calculate-form {
        padding: 32px 24px;
    }

    .calculate-input-group {
        grid-template-columns: 1fr;
    }

    .calculate-btn {
        width: 100%;
    }

    .calculate-description {
        font-size: 16px;
    }

    .calculate-examples {
        flex-direction: column;
        gap: 8px;
    }

    .example-link {
        width: 100%;
    }
}

/* Contact Section */
.contact {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--secondary) 0%, var(--bg-dark) 100%);
}

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

.contact-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--text-secondary);
    margin: 0;
}

.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 48px;
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 32px;
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo-icon {
    width: 100px;
    height: auto;
    max-height: 80px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 16px;
    max-width: 300px;
}

.footer-links h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-links a,
.footer-links p {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 16px 24px;
    background: var(--bg-card);
    border: 1px solid var(--primary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-weight: 500;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 3000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.toast-success {
    border-color: #22c55e;
}

.toast.toast-error {
    border-color: #ef4444;
}

.toast.toast-info {
    border-color: #3b82f6;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        margin-top: 40px;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .header {
        border-bottom: 1px solid var(--border-color);
    }

    .header-content {
        height: 60px;
    }

    .header .container {
        padding: 0 16px;
    }

    .nav {
        display: none;
    }

    .logo {
        gap: 8px;
    }

    .logo-icon {
        width: 40px;
        height: 40px;
        max-height: 40px;
        object-fit: contain;
    }

    .logo-text {
        font-size: 1rem;
        font-weight: 600;
    }

    .header-phone {
        font-size: 0.875rem;
        gap: 4px;
        white-space: nowrap;
    }

    .phone-icon {
        font-size: 1rem;
    }

    .hero-stats {
        flex-direction: row;
        gap: 16px;
        justify-content: space-between;
    }

    .stat {
        flex: 1;
        text-align: center;
    }

    .stat-value {
        font-size: 1.5rem;
    }

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

    .hero-visual {
        display: none;
    }

    .scroll-indicator {
        display: none;
    }

    .hero {
        padding-top: 100px;
        min-height: auto;
    }

    .advantages {
        padding: 60px 0;
    }

    .advantage-card {
        display: flex;
        gap: 16px;
        padding: 24px;
        align-items: center;
    }

    .advantage-icon {
        font-size: 2.5rem;
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .advantage-text {
        flex: 1;
    }

    .advantage-card h3 {
        margin-bottom: 8px;
        font-size: 1.1rem;
    }

    .advantage-card p {
        margin-top: 0;
    }

    .catalog {
        padding: 60px 0;
    }

    .reviews {
        padding: 60px 0;
    }

    .contact {
        padding: 60px 0;
    }

    .toast {
        left: 50%;
        right: auto;
        transform: translateX(-50%) translateY(100px);
        max-width: calc(100% - 5%);
        width: auto;
        min-width: calc(100% - 5%);
    }

    .toast.show {
        transform: translateX(-50%) translateY(0);
    }

    .catalog-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .modal {
        padding: 32px 24px;
    }
}

/* Loading Animation */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.skeleton {
    background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}