/* Main Styles - Premium Typography Edition */

/* Premium Typography - Unified Montserrat */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

* {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 300;
    letter-spacing: 0.3px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif !important;
    font-weight: 600 !important;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

h1 {
    font-weight: 700 !important;
    letter-spacing: -1.5px;
}

h2 {
    font-weight: 600 !important;
    letter-spacing: -1px;
}

h3 {
    font-weight: 600 !important;
    letter-spacing: -0.5px;
}

h4, h5, h6 {
    font-weight: 500 !important;
    letter-spacing: 0;
}

p {
    font-weight: 400;
    letter-spacing: 0.5px;
    line-height: 1.8;
}

/* ============================================
   Global Section Styles - Единые стили для всех модулей
   ============================================ */

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header.centered {
    text-align: center;
}

.section-label {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: #d4af37;
    margin-bottom: 15px;
}

.section-title {
    font-family: 'Montserrat', sans-serif !important;
    font-size: 48px;
    font-weight: 600 !important;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.section-desc,
.section-description {
    font-family: 'Montserrat', sans-serif;
    font-size: 18px;
    font-weight: 400;
    line-height: 1.7;
    opacity: 0.8;
    max-width: 800px;
    margin: 0 auto;
}

/* Buttons */
.btn,
.button,
button,
input[type="submit"],
input[type="button"],
button[type="submit"] {
    font-family: 'Montserrat', sans-serif !important;
    font-weight: 600;
    letter-spacing: 1.5px;
}

/* Form Elements */
input,
textarea,
select {
    font-family: 'Montserrat', sans-serif !important;
    font-weight: 400;
    letter-spacing: 0.3px;
}

input::placeholder,
textarea::placeholder {
    font-family: 'Montserrat', sans-serif !important;
    font-weight: 300;
}

/* Links */
a {
    font-family: 'Montserrat', sans-serif;
}
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Responsive Typography */
@media (max-width: 768px) {
    .section-title {
        font-size: 32px;
    }
    
    .section-desc,
    .section-description {
        font-size: 16px;
    }
    
    .section-label {
        font-size: 12px;
    }
}

/* Навигация */
.navbar {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 80px);
    max-width: 1600px;
    background: rgba(248, 248, 248, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    z-index: 1000;
    border-radius: 60px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08),
                0 0 0 1px rgba(255, 255, 255, 0.5) inset;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.navbar:hover {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.12),
                0 0 0 1px rgba(255, 255, 255, 0.6) inset;
}

.nav-container {
    padding: 10px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.logo a {
    text-decoration: none;
}

.logo-main {
    font-family: 'Montserrat', sans-serif;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--primary);
}

.logo-sub {
    font-size: 7px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gold);
    font-weight: 400;
    font-family: 'Montserrat', sans-serif;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    display: flex;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--primary);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: var(--transition);
    position: relative;
    font-family: 'Montserrat', sans-serif;
    padding: 4px 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-menu .menu-icon {
    display: inline-flex;
    align-items: center;
    opacity: 0.7;
    transition: var(--transition);
}

.nav-menu .menu-icon svg {
    width: 16px;
    height: 16px;
}

.nav-menu a:hover .menu-icon {
    opacity: 1;
    transform: translateY(-2px);
}

.nav-menu a {
    text-decoration: none;
    color: var(--primary);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: var(--transition);
    position: relative;
    font-family: 'Montserrat', sans-serif;
    padding: 8px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 3px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--gold);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.icon-btn {
    background: rgba(26, 26, 26, 0.04);
    border: 1px solid rgba(26, 26, 26, 0.08);
    cursor: pointer;
    color: var(--primary);
    transition: var(--transition);
    position: relative;
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
}

.icon-btn:hover {
    color: var(--gold);
    background: rgba(212, 175, 55, 0.1);
    border-color: rgba(212, 175, 55, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.2);
}

.icon-btn svg {
    width: 22px;
    height: 22px;
    stroke-width: 1.5;
}

.cart-count {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--gold);
    color: var(--white);
    font-size: 9px;
    min-width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    padding: 0 4px;
    border: 2px solid white;
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.4);
}

.cta-button {
    background: linear-gradient(135deg, #d4af37 0%, #f0d98f 50%, #d4af37 100%);
    background-size: 200% 100%;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 10px 24px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    border-radius: 30px;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4),
                0 0 0 1px rgba(255, 255, 255, 0.2) inset;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    animation: shimmer 3s infinite;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.6);
    animation-duration: 1.5s;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--primary);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.7) 0%, rgba(212, 175, 55, 0.3) 100%);
    z-index: 1;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.6) 0%, rgba(212, 175, 55, 0.2) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    animation: fadeInUp 1.2s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-label {
    display: inline-block;
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-title {
    font-size: 110px;
    font-weight: 800;
    line-height: 0.95;
    margin-bottom: 30px;
    letter-spacing: -3px;
    font-family: 'Montserrat', sans-serif;
}

.hero-subtitle {
    font-size: 16px;
    margin-bottom: 50px;
    color: rgba(255,255,255,0.95);
    font-weight: 400;
    letter-spacing: 1px;
    font-family: 'Montserrat', sans-serif;
    text-transform: none;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.hero-button {
    padding: 18px 40px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    display: inline-block;
}

.hero-button.primary {
    background: var(--gold);
    color: var(--white);
}

.hero-button.primary:hover {
    background: var(--gold-light);
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.4);
}

.hero-button.secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.hero-button.secondary:hover {
    background: var(--white);
    color: var(--primary);
}

.hero-stats {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 80px;
    z-index: 2;
}

.stat {
    text-align: center;
    color: var(--white);
}

.stat-number {
    display: block;
    font-size: 42px;
    font-weight: 400;
    color: var(--gold);
    margin-bottom: 5px;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 1px;
}

.stat-label {
    font-size: 10px;
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0.9;
    font-family: 'Montserrat', sans-serif;
    font-weight: 300;
}

/* Section Styles */
section {
    padding: 140px 0;
}

/* Services Section */
.services {
    background: var(--off-white);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: start;
}

.services-content {
    position: sticky;
    top: 120px;
}

.services-title {
    font-size: 56px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 30px;
    line-height: 1.1;
    font-family: 'Montserrat', sans-serif;
}

.services-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 40px;
}

.services-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-radius: 50px;
    transition: var(--transition);
}

.services-button:hover {
    background: var(--gold);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.services-button svg {
    transition: var(--transition);
}

.services-button:hover svg {
    transform: translateX(5px);
}

.services-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.service-item {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.service-item:hover {
    border-color: var(--gold);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.service-item h3 {
    font-size: 20px;
    font-weight: 500;
    color: var(--primary);
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.5px;
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .services-content {
        position: static;
    }
    
    .services-title {
        font-size: 42px;
    }
}

@media (max-width: 768px) {
    .services-items {
        grid-template-columns: 1fr;
    }
    
    .services-title {
        font-size: 36px;
    }
}

.section-header {
    margin-bottom: 80px;
}

.section-header.centered {
    text-align: center;
}

.section-label {
    display: inline-block;
    font-size: 10px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 15px;
    font-weight: 500;
    font-family: 'Montserrat', sans-serif;
}

.section-title {
    font-size: 72px;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.1;
    letter-spacing: -1.5px;
    font-family: 'Montserrat', sans-serif;
}

.section-desc {
    font-size: 18px;
    color: var(--gray);
    margin-top: 20px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Catalog */
.catalog {
    background: var(--off-white);
}

.catalog-filters {
    display: flex;
    gap: 15px;
    margin-bottom: 60px;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 30px;
    background: var(--white);
    border: 1px solid var(--light-gray);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
}

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

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 40px;
}

.product-card {
    background: var(--white);
    overflow: hidden;
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.product-image {
    position: relative;
    height: 400px;
    overflow: hidden;
}

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

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

.product-image .image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 700;
    letter-spacing: 3px;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    transition: var(--transition);
}

.product-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gold);
    color: var(--white);
    padding: 8px 16px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.product-badge.bestseller {
    background: #e74c3c;
}

.product-badge.exclusive {
    background: var(--primary);
}

.product-info {
    padding: 30px;
}

.product-info h3 {
    font-size: 28px;
    margin-bottom: 10px;
}

.product-desc {
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 20px;
}

.product-specs {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 25px;
    padding: 20px 0;
    border-top: 1px solid var(--light-gray);
    border-bottom: 1px solid var(--light-gray);
}

.product-specs span {
    font-size: 12px;
    color: var(--gray);
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-size: 36px;
    font-weight: 400;
    color: var(--gold);
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 1px;
}

.add-to-cart {
    padding: 12px 24px;
    background: var(--primary);
    color: var(--white);
    border: none;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
}

.add-to-cart:hover {
    background: var(--gold);
}

/* Cart Sidebar */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -500px;
    width: 500px;
    height: 100vh;
    background: var(--white);
    box-shadow: -5px 0 30px rgba(0,0,0,0.2);
    z-index: 2000;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.cart-sidebar.active {
    right: 0;
}

.cart-header {
    padding: 30px;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-header h3 {
    font-size: 24px;
}

.cart-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--primary);
    transition: var(--transition);
}

.cart-close:hover {
    color: var(--gold);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 30px;
}

.cart-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray);
}

.cart-empty p {
    margin-top: 20px;
    font-size: 14px;
}

.cart-item {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--light-gray);
}

.cart-item-info {
    flex: 1;
}

.cart-item-info h4 {
    font-size: 18px;
    margin-bottom: 5px;
}

.cart-item-price {
    font-size: 20px;
    color: var(--gold);
    font-weight: 600;
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    font-size: 12px;
    text-decoration: underline;
}

.cart-footer {
    padding: 30px;
    border-top: 1px solid var(--light-gray);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
}

.cart-total-price {
    font-size: 32px;
    color: var(--gold);
    font-family: 'Montserrat', sans-serif;
}

.cart-checkout {
    width: 100%;
    padding: 18px;
    background: var(--gold);
    color: var(--white);
    border: none;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 15px;
}

.cart-checkout:hover {
    background: var(--gold-dark);
}

.cart-note {
    font-size: 11px;
    color: var(--gray);
    text-align: center;
}

.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

/* Callback Modal */
.callback-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    max-width: 520px;
    background: var(--white);
    border-radius: 24px;
    z-index: 2001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.callback-modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.callback-modal-content {
    padding: 50px 40px 40px;
    position: relative;
}

.callback-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--primary);
    transition: var(--transition);
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.callback-close:hover {
    background: rgba(0, 0, 0, 0.05);
    transform: rotate(90deg);
}

.callback-modal h2 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary);
    font-family: 'Montserrat', sans-serif;
}

.callback-subtitle {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 30px;
    line-height: 1.6;
}

.callback-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"] {
    padding: 16px 20px;
    border: 1px solid var(--light-gray);
    border-radius: 12px;
    font-size: 15px;
    font-family: 'Montserrat', sans-serif;
    transition: var(--transition);
    background: var(--off-white);
    width: 100%;
    box-sizing: border-box;
}

.form-group input[type="text"]:focus,
.form-group input[type="tel"]:focus,
.form-group input[type="email"]:focus {
    outline: none;
    border-color: var(--gold);
    background: var(--white);
}

.checkbox-group {
    margin-top: 10px;
}

.checkbox-group label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 12px;
    color: var(--gray);
    line-height: 1.5;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 2px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--gold);
}

.callback-submit {
    width: 100%;
    padding: 18px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 10px;
}

.callback-submit:hover {
    background: var(--gold);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.4);
}

.callback-message {
    margin-top: 20px;
    padding: 16px 20px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    display: none;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.callback-message.success {
    background: #d4f4dd;
    color: #0d7a2c;
    border: 1px solid #9ae6b4;
    display: block;
}

.callback-message.error {
    background: #fed7d7;
    color: #c53030;
    border: 1px solid #fc8181;
    display: block;
}

.callback-message svg {
    display: inline-block;
    vertical-align: middle;
    margin-right: 8px;
}

.callback-footer-text {
    text-align: center;
    font-size: 13px;
    color: var(--gray);
    margin-top: 20px;
    margin-bottom: 8px;
}

.callback-phone {
    display: block;
    text-align: center;
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.callback-phone:hover {
    color: var(--gold);
}

.callback-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group select,
.form-group textarea {
    padding: 16px 20px;
    border: 1px solid var(--light-gray);
    border-radius: 12px;
    font-size: 15px;
    font-family: 'Montserrat', sans-serif;
    transition: var(--transition);
    background: var(--off-white);
    width: 100%;
}

.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
    background: var(--white);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.file-upload-label {
    display: block;
    cursor: pointer;
}

.file-upload-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 20px;
    border: 2px dashed var(--light-gray);
    border-radius: 12px;
    background: var(--off-white);
    color: var(--gray);
    font-size: 14px;
    transition: var(--transition);
}

.file-upload-btn:hover {
    border-color: var(--gold);
    background: rgba(212, 175, 55, 0.05);
    color: var(--primary);
}

.files-list {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 15px;
    background: var(--off-white);
    border-radius: 8px;
    font-size: 13px;
}

.file-item-remove {
    background: none;
    border: none;
    color: #e74c3c;
    cursor: pointer;
    padding: 4px 8px;
    font-size: 12px;
}

.calculation-modal .callback-modal-content {
    max-height: 90vh;
    overflow-y: auto;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Footer */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 20px;
}

.footer-col p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    line-height: 1.8;
}

.footer-col h4 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    color: var(--gold);
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-col ul li {
    margin-bottom: 12px;
    font-size: 14px;
    color: rgba(255,255,255,0.7);
}

.footer-col ul li a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--gold);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.social-link {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.social-link:hover {
    color: var(--gold);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    margin: 0;
}

.footer-credits {
    display: flex;
    align-items: center;
    gap: 5px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 400;
}

.footer-credits .heart {
    color: #ff6b6b;
    animation: heartbeat 1.5s ease-in-out infinite;
    display: inline-block;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    10%, 30% { transform: scale(1.1); }
    20%, 40% { transform: scale(1); }
}

.footer-credits a {
    color: var(--gold);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.footer-credits a:hover {
    color: var(--gold-light);
}

.footer-credits a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold-light);
    transition: width 0.3s ease;
}

.footer-credits a:hover::after {
    width: 100%;
}

/* Responsive */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 72px;
    }
    
    .section-title {
        font-size: 48px;
    }
    
    .catalog-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .navbar {
        top: 10px;
        width: calc(100% - 20px);
        border-radius: 30px;
    }
    
    .nav-container {
        padding: 12px 20px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .catalog-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .cart-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .container,
    .container-wide {
        padding: 0 20px;
    }
    
    .nav-container {
        padding: 15px 20px;
    }
}


/* ============================================
   Section Divider - Волнообразный разделитель
   ============================================ */
.section-divider {
    position: relative;
    width: 100%;
    height: 120px;
    margin: 0;
    overflow: visible;
    line-height: 0;
    border: none;
}

.section-divider-top {
    margin-top: -80px;
    margin-bottom: 0;
}

.section-divider-bottom {
    margin-top: 0;
    margin-bottom: -80px;
}

.section-divider svg {
    position: relative;
    display: block;
    width: 100%;
    height: 120px;
    border: none;
}

.section-divider path {
    border: none;
}

/* ============================================
   Promotions Module - Акции
   ============================================ */
.promotions {
    padding: 80px 0;
    background: linear-gradient(135deg, #f5f0e8 0%, #f8f4ed 50%, #f5f0e8 100%);
    position: relative;
    border: none;
}

.promotions::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(212, 175, 55, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.promotions-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 48px;
    font-weight: 300;
    letter-spacing: 0.05em;
    margin: 0 0 40px 0;
    color: #1a1a1a;
    position: relative;
    z-index: 1;
    text-transform: uppercase;
}

.promotions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    position: relative;
    z-index: 1;
}

.promo-card {
    position: relative;
    height: 320px;
    border-radius: 16px;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    display: flex;
    align-items: flex-end;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.promo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.promo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(26, 26, 26, 0.3) 0%, rgba(26, 26, 26, 0.7) 100%);
    transition: background 0.4s ease;
}

.promo-card:hover .promo-overlay {
    background: linear-gradient(180deg, rgba(26, 26, 26, 0.4) 0%, rgba(26, 26, 26, 0.8) 100%);
}

.promo-content {
    position: relative;
    z-index: 2;
    padding: 30px;
    width: 100%;
}

.promo-badge {
    display: inline-block;
    background: #d4af37;
    color: #fff;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 12px;
    font-family: 'Montserrat', sans-serif;
}

.promo-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 28px;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: #fff;
    line-height: 1.2;
}

.promo-subtitle {
    font-size: 16px;
    color: #d4af37;
    margin: 0 0 12px 0;
    font-weight: 500;
    font-family: 'Montserrat', sans-serif;
}

.promo-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.promo-list li {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 4px 0;
    line-height: 1.4;
    position: relative;
    padding-left: 12px;
    font-family: 'Montserrat', sans-serif;
}

.promo-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #d4af37;
}

/* Responsive */
@media (max-width: 1024px) {
    .promotions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .promo-card {
        height: 280px;
    }
    
    .promo-title {
        font-size: 24px;
    }
}

@media (max-width: 768px) {
    .promotions {
        padding: 40px 0 60px 0;
    }
    
    .promotions-title {
        font-size: 36px;
        margin-bottom: 25px;
    }
    
    .promotions-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .promo-card {
        height: 250px;
    }
    
    .promo-content {
        padding: 20px;
    }
    
    .promo-title {
        font-size: 22px;
    }
    
    .promo-subtitle {
        font-size: 14px;
    }
    
    .promo-list li {
        font-size: 12px;
    }
    
    .section-divider {
        height: 80px;
    }
    
    .section-divider svg {
        height: 80px;
    }
}


/* ============================================
   Process Module - От идеи до сборки
   ============================================ */
.process {
    padding: 80px 0;
    background: #fff;
}

.process-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 42px;
    font-weight: 300;
    letter-spacing: 0.05em;
    text-align: center;
    margin: 0 0 60px 0;
    color: #1a1a1a;
    text-transform: uppercase;
}

.process-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.process-step {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    min-height: 280px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.process-step-reverse {
    direction: rtl;
}

.process-step-reverse > * {
    direction: ltr;
}

.process-info {
    background: linear-gradient(135deg, #d4af37 0%, #f0d98f 100%);
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.process-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 80px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.3);
    line-height: 1;
    margin: 0 0 15px 0;
}

.process-step-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 22px;
    font-weight: 600;
    color: #fff;
    margin: 0 0 12px 0;
    line-height: 1.3;
}

.process-step-description {
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.5;
    margin: 0;
}

.process-image {
    background-size: cover;
    background-position: center;
    min-height: 280px;
}

.process-image-placeholder {
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
}

/* Responsive */
@media (max-width: 1024px) {
    .process-title {
        font-size: 36px;
        margin-bottom: 50px;
    }
    
    .process-step {
        min-height: 260px;
    }
    
    .process-info {
        padding: 35px;
    }
    
    .process-number {
        font-size: 70px;
    }
    
    .process-step-title {
        font-size: 20px;
    }
    
    .process-step-description {
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    .process {
        padding: 60px 0;
    }
    
    .process-title {
        font-size: 28px;
        margin-bottom: 35px;
    }
    
    .process-grid {
        gap: 20px;
    }
    
    .process-step,
    .process-step-reverse {
        grid-template-columns: 1fr;
        direction: ltr;
        min-height: auto;
    }
    
    .process-info {
        padding: 30px 25px;
    }
    
    .process-number {
        font-size: 60px;
        margin-bottom: 12px;
    }
    
    .process-step-title {
        font-size: 18px;
        margin-bottom: 10px;
    }
    
    .process-step-description {
        font-size: 13px;
    }
    
    .process-image {
        min-height: 250px;
    }
}


/* ============================================
   Design Calculation Module - Есть готовый дизайн-проект?
   ============================================ */
.design-calc {
    position: relative;
    padding: 100px 0;
    background: #1a1a1a;
    overflow: hidden;
}

.design-calc-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 50%;
    bottom: 0;
    background: linear-gradient(90deg, rgba(26, 26, 26, 0.98) 0%, rgba(26, 26, 26, 0.92) 70%, rgba(26, 26, 26, 0.7) 100%);
    z-index: 1;
}

.design-calc .container {
    position: relative;
    z-index: 2;
}

.design-calc-content {
    max-width: 800px;
}

.design-calc-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 42px;
    font-weight: 600;
    color: #fff;
    margin: 0 0 20px 0;
    line-height: 1.2;
}

.design-calc-title span {
    color: #d4af37;
}

.design-calc-subtitle {
    font-family: 'Montserrat', sans-serif;
    font-size: 42px;
    font-weight: 600;
    color: #fff;
    margin: 0 0 20px 0;
    line-height: 1.2;
}

.design-calc-subtitle::first-line {
    color: #d4af37;
}

.design-calc-description {
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0 40px 0;
}

.design-calc-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.design-calc-input {
    padding: 18px 25px;
    border: none;
    border-radius: 50px;
    font-family: 'Montserrat', sans-serif;
    font-size: 15px;
    background: #fff;
    color: #1a1a1a;
    transition: all 0.3s ease;
}

.design-calc-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.3);
}

.design-calc-button {
    padding: 18px 35px;
    border: none;
    border-radius: 50px;
    font-family: 'Montserrat', sans-serif;
    font-size: 15px;
    font-weight: 600;
    background: linear-gradient(90deg, #d4af37 0%, #f0d98f 50%, #d4af37 100%);
    background-size: 200% 100%;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
    animation: shimmer 3s infinite;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

@keyframes shimmer {
    0% {
        background-position: 200% center;
    }
    100% {
        background-position: -200% center;
    }
}

.design-calc-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(212, 175, 55, 0.6);
    animation-duration: 1.5s;
}

.design-calc-note {
    font-family: 'Montserrat', sans-serif;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
    margin: 0;
}

.design-calc-message {
    margin-top: 15px;
    padding: 15px;
    border-radius: 8px;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    display: none;
}

.design-calc-message.success {
    background: rgba(76, 175, 80, 0.2);
    color: #4caf50;
    border: 1px solid #4caf50;
    display: block;
}

.design-calc-message.error {
    background: rgba(244, 67, 54, 0.2);
    color: #f44336;
    border: 1px solid #f44336;
    display: block;
}

.design-calc-image {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 0;
    clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
}

/* Responsive */
@media (max-width: 1024px) {
    .design-calc-overlay {
        right: 45%;
    }
    
    .design-calc-image {
        width: 55%;
    }
    
    .design-calc-title,
    .design-calc-subtitle {
        font-size: 36px;
    }
    
    .design-calc-form-row {
        grid-template-columns: 1fr 1fr;
    }
    
    .design-calc-button {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .design-calc {
        padding: 60px 0;
    }
    
    .design-calc-overlay {
        right: 0;
        background: rgba(26, 26, 26, 0.92);
    }
    
    .design-calc-title,
    .design-calc-subtitle {
        font-size: 28px;
    }
    
    .design-calc-description {
        font-size: 15px;
        margin-bottom: 30px;
    }
    
    .design-calc-form-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .design-calc-input,
    .design-calc-button {
        padding: 16px 20px;
        font-size: 14px;
    }
    
    .design-calc-image {
        width: 100%;
        opacity: 0.3;
    }
}


/* ============================================
   FAQ Module - Мебель, которую хочется видеть дома и на работе
   ============================================ */
.faq {
    padding: 100px 0;
    background: #fff;
}

.faq-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 42px;
    font-weight: 300;
    letter-spacing: 0.05em;
    text-align: center;
    margin: 0 0 15px 0;
    color: #1a1a1a;
    text-transform: uppercase;
}

.faq-subtitle {
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    font-weight: 400;
    text-align: center;
    margin: 0 0 60px 0;
    color: #666;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.faq-item {
    background: #f8f8f8;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.faq-item.active {
    background: linear-gradient(135deg, #f5f0e8 0%, #f8f4ed 100%);
}

.faq-question {
    width: 100%;
    padding: 25px 30px;
    background: none;
    border: none;
    text-align: left;
    font-family: 'Montserrat', sans-serif;
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: #d4af37;
}

.faq-icon {
    flex-shrink: 0;
    transition: transform 0.3s ease, color 0.3s ease;
    color: #d4af37;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 30px 25px 30px;
    font-family: 'Montserrat', sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: #555;
}

.faq-answer-content p {
    margin: 0 0 15px 0;
}

.faq-answer-content p:last-child {
    margin-bottom: 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .faq {
        padding: 80px 0;
    }
    
    .faq-title {
        font-size: 36px;
    }
    
    .faq-grid {
        gap: 15px;
    }
}

@media (max-width: 768px) {
    .faq {
        padding: 60px 0;
    }
    
    .faq-title {
        font-size: 28px;
        margin-bottom: 10px;
    }
    
    .faq-subtitle {
        font-size: 14px;
        margin-bottom: 40px;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .faq-question {
        padding: 20px;
        font-size: 16px;
    }
    
    .faq-answer-content {
        padding: 0 20px 20px 20px;
        font-size: 14px;
    }
}


/* ============================================
   Calculator Module - Калькулятор расчета стоимости
   ============================================ */
.calculator {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f8f8 0%, #ffffff 100%);
    position: relative;
}

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

.calculator-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 48px;
    font-weight: 300;
    letter-spacing: 0.05em;
    margin: 0 0 15px 0;
    color: #1a1a1a;
    text-transform: uppercase;
}

.calculator-subtitle {
    font-family: 'Montserrat', sans-serif;
    font-size: 18px;
    font-weight: 400;
    color: #d4af37;
    margin: 0;
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
    align-items: stretch;
    min-height: 600px;
}

.calculator-steps {
    background: #fff;
    border-radius: 20px;
    padding: 50px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    position: relative;
    display: flex;
    flex-direction: column;
}

.calculator-step {
    display: none;
    animation: fadeInStep 0.4s ease;
}

.calculator-step.active {
    display: block;
}

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

.step-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #d4af37 0%, #f0d98f 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
    flex-shrink: 0;
}

.step-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 28px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0;
}

.step-content {
    margin-bottom: 40px;
}

/* Cards Layout */
.step-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.step-card {
    background: #f8f8f8;
    border: 2px solid transparent;
    border-radius: 16px;
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}

.step-card:hover {
    background: #fff;
    border-color: #d4af37;
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.2);
}

.step-card.selected {
    background: linear-gradient(135deg, #f5f0e8 0%, #f8f4ed 100%);
    border-color: #d4af37;
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.3);
}

.card-icon {
    font-size: 48px;
    line-height: 1;
}

.card-label {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    text-align: center;
}

.card-price {
    font-size: 14px;
    color: #d4af37;
    font-weight: 600;
}

/* Dimensions Layout */
.step-dimensions {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.dimension-field {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dimension-field label {
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
}

.dimension-input-group {
    display: grid;
    grid-template-columns: 1fr 120px 40px;
    gap: 15px;
    align-items: center;
}

.dimension-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: #e0e0e0;
    outline: none;
    -webkit-appearance: none;
}

.dimension-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, #d4af37 0%, #f0d98f 100%);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.4);
}

.dimension-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, #d4af37 0%, #f0d98f 100%);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.4);
}

.dimension-value {
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    transition: border-color 0.3s ease;
}

.dimension-value:focus {
    outline: none;
    border-color: #d4af37;
}

.dimension-unit {
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    color: #666;
}

/* Checkboxes Layout */
.step-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-card {
    display: flex;
    align-items: center;
    padding: 20px 25px;
    background: #f8f8f8;
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.checkbox-card:hover {
    background: #fff;
    border-color: #d4af37;
}

.checkbox-card input[type="checkbox"] {
    width: 24px;
    height: 24px;
    margin-right: 15px;
    cursor: pointer;
    accent-color: #d4af37;
}

.checkbox-card input[type="checkbox"]:checked ~ .checkbox-content {
    color: #d4af37;
}

.checkbox-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex: 1;
    font-family: 'Montserrat', sans-serif;
}

.checkbox-label {
    font-size: 16px;
    font-weight: 500;
    color: #1a1a1a;
}

.checkbox-price {
    font-size: 16px;
    font-weight: 600;
    color: #d4af37;
}

/* Navigation */
.step-navigation {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-top: 40px;
}

.btn-prev,
.btn-next,
.btn-calculate,
.btn-recalculate {
    padding: 16px 35px;
    border: none;
    border-radius: 50px;
    font-family: 'Montserrat', sans-serif;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-prev {
    background: #f8f8f8;
    color: #1a1a1a;
}

.btn-prev:hover {
    background: #e0e0e0;
}

.btn-next,
.btn-calculate {
    background: linear-gradient(90deg, #d4af37 0%, #f0d98f 50%, #d4af37 100%);
    background-size: 200% 100%;
    color: #fff;
    margin-left: auto;
    animation: shimmer 3s infinite;
}

.btn-next:hover,
.btn-calculate:hover {
    animation-duration: 1.5s;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(212, 175, 55, 0.6);
}

.btn-next:disabled,
.btn-calculate:disabled {
    background: #e0e0e0;
    color: #999;
    cursor: not-allowed;
    animation: none;
}

/* Sidebar Summary */
.calculator-sidebar {
    height: 100%;
}

.calculator-summary {
    background: #1a1a1a;
    border-radius: 20px;
    padding: 35px;
    color: #fff;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.calculator-summary h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 25px 0;
    color: #d4af37;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.summary-items {
    margin-bottom: 25px;
    min-height: 200px;
    flex: 1;
}

.summary-empty {
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
    padding: 40px 0;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-family: 'Montserrat', sans-serif;
}

.summary-item-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    flex: 1;
}

.summary-item-value {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-left: 15px;
}

.summary-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 0 15px 0;
    border-top: 2px solid #d4af37;
    font-family: 'Montserrat', sans-serif;
    font-size: 18px;
    font-weight: 700;
}

.summary-price {
    color: #d4af37;
    font-size: 32px;
}

.summary-note {
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
    line-height: 1.5;
}

/* Result Step */
.calculator-result {
    text-align: center;
}

.result-content {
    max-width: 600px;
    margin: 0 auto;
}

.result-icon {
    font-size: 80px;
    margin-bottom: 20px;
}

.result-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 36px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0 0 30px 0;
}

.result-price-wrapper {
    background: linear-gradient(135deg, #f5f0e8 0%, #f8f4ed 100%);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
}

.result-label {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    color: #666;
    margin-bottom: 10px;
}

.result-price {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 56px;
    font-weight: 700;
    color: #d4af37;
}

.result-details {
    text-align: left;
    margin-bottom: 40px;
    padding: 25px;
    background: #f8f8f8;
    border-radius: 16px;
}

.result-details .summary-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.result-details .summary-item-label {
    color: #666;
}

.result-details .summary-item-value {
    color: #1a1a1a;
}

.result-form {
    margin-bottom: 30px;
}

.result-form-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.result-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

.result-form input {
    padding: 16px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-family: 'Montserrat', sans-serif;
    font-size: 15px;
    transition: border-color 0.3s ease;
}

.result-form input:focus {
    outline: none;
    border-color: #d4af37;
}

.btn-submit {
    width: 100%;
    padding: 18px;
    background: linear-gradient(90deg, #d4af37 0%, #f0d98f 50%, #d4af37 100%);
    background-size: 200% 100%;
    color: #fff;
    border: none;
    border-radius: 50px;
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    animation: shimmer 3s infinite;
}

.btn-submit:hover {
    animation-duration: 1.5s;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(212, 175, 55, 0.6);
}

.result-message {
    margin-top: 15px;
    padding: 15px;
    border-radius: 12px;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    display: none;
}

.result-message.success {
    background: rgba(76, 175, 80, 0.2);
    color: #4caf50;
    border: 1px solid #4caf50;
    display: block;
}

.result-message.error {
    background: rgba(244, 67, 54, 0.2);
    color: #f44336;
    border: 1px solid #f44336;
    display: block;
}

.btn-recalculate {
    background: #f8f8f8;
    color: #1a1a1a;
}

.btn-recalculate:hover {
    background: #e0e0e0;
}

/* Responsive */
@media (max-width: 1024px) {
    .calculator-wrapper {
        grid-template-columns: 1fr;
    }
    
    .calculator-sidebar {
        position: static;
        order: -1;
    }
    
    .step-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .calculator {
        padding: 60px 0;
    }
    
    .calculator-title {
        font-size: 32px;
    }
    
    .calculator-steps {
        padding: 30px 20px;
    }
    
    .step-cards {
        grid-template-columns: 1fr;
    }
    
    .step-title {
        font-size: 22px;
    }
    
    .dimension-input-group {
        grid-template-columns: 1fr;
    }
    
    .result-form .form-row {
        grid-template-columns: 1fr;
    }
    
    .result-price {
        font-size: 42px;
    }
}

@media (max-width: 480px) {
    .calculator {
        padding: 50px 0;
    }
    
    .calculator-title {
        font-size: 28px;
        line-height: 1.2;
    }
    
    .calculator-subtitle {
        font-size: 14px;
    }
    
    .calculator-steps {
        padding: 25px 15px;
        border-radius: 16px;
    }
    
    .step-header {
        padding: 15px;
    }
    
    .step-number {
        width: 35px;
        height: 35px;
        font-size: 16px;
    }
    
    .step-title {
        font-size: 18px;
    }
    
    .step-content {
        padding: 20px 15px;
    }
    
    .option-card {
        padding: 15px 12px;
    }
    
    .option-title {
        font-size: 14px;
    }
    
    .option-price {
        font-size: 13px;
    }
    
    .dimension-input-group input,
    .result-form input,
    .result-form textarea {
        font-size: 14px;
        padding: 12px 15px;
    }
    
    .result-price {
        font-size: 36px;
    }
    
    .result-details {
        font-size: 13px;
    }
    
    .calculator-nav {
        flex-direction: column;
        gap: 10px;
    }
    
    .calculator-nav button {
        width: 100%;
        padding: 14px 20px;
        font-size: 14px;
    }
}


/* ============================================
   Portfolio Module - Креативное портфолио
   ============================================ */
.portfolio {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    position: relative;
    overflow: hidden;
}

.portfolio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(212, 175, 55, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.portfolio-header {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

.portfolio-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 48px;
    font-weight: 300;
    color: #fff;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.portfolio-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 300;
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.portfolio-filter {
    padding: 12px 30px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.3);
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 30px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.portfolio-filter:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: rgba(212, 175, 55, 0.6);
    color: #d4af37;
    transform: translateY(-2px);
}

.portfolio-filter.active {
    background: linear-gradient(135deg, #d4af37 0%, #f4d03f 100%);
    border-color: #d4af37;
    color: #1a1a1a;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 1;
}

.portfolio-item {
    opacity: 1;
    transform: scale(1);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    position: absolute;
    pointer-events: none;
}

.portfolio-item-inner {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background: #2d2d2d;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: all 0.4s ease;
}

.portfolio-item-inner:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.portfolio-item-image {
    position: relative;
    padding-bottom: 75%;
    overflow: hidden;
}

.portfolio-item-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.portfolio-item-inner:hover .portfolio-item-image img {
    transform: scale(1.1);
}

.portfolio-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0) 0%,
        rgba(0, 0, 0, 0.7) 60%,
        rgba(0, 0, 0, 0.95) 100%
    );
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    align-items: flex-end;
    padding: 30px;
}

.portfolio-item-inner:hover .portfolio-item-overlay {
    opacity: 1;
}

.portfolio-item-content {
    width: 100%;
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.portfolio-item-inner:hover .portfolio-item-content {
    transform: translateY(0);
}

.portfolio-item-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
    line-height: 1.3;
}

.portfolio-item-location {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 5px;
}

.portfolio-item-year {
    font-size: 13px;
    color: #d4af37;
    margin-bottom: 15px;
    font-weight: 500;
}

.portfolio-item-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #d4af37;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.portfolio-item-link:hover {
    gap: 12px;
    color: #f4d03f;
}

.portfolio-empty {
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 18px;
    padding: 60px 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 25px;
    }
    
    .portfolio-title {
        font-size: 40px;
    }
}

@media (max-width: 768px) {
    .portfolio {
        padding: 60px 0;
    }
    
    .portfolio-title {
        font-size: 32px;
    }
    
    .portfolio-subtitle {
        font-size: 16px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .portfolio-filters {
        gap: 10px;
    }
    
    .portfolio-filter {
        padding: 10px 20px;
        font-size: 12px;
    }
}


/* ============================================
   Single Project Page
   ============================================ */
.single-project {
    background: #1a1a1a;
    min-height: 100vh;
}

/* Hero Section */
.project-hero {
    position: relative;
    height: 70vh;
    min-height: 500px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

.project-hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

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

.project-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.7) 70%,
        rgba(26, 26, 26, 0.95) 100%
    );
}

.project-hero-content {
    position: relative;
    z-index: 2;
    padding: 60px 0;
}

.project-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
}

.project-breadcrumbs a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.project-breadcrumbs a:hover {
    color: #d4af37;
}

.project-breadcrumbs span {
    color: rgba(255, 255, 255, 0.4);
}

.project-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 56px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    line-height: 1.2;
}

.project-categories {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.project-category {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(212, 175, 55, 0.2);
    border: 1px solid rgba(212, 175, 55, 0.5);
    border-radius: 20px;
    color: #d4af37;
    font-family: 'Montserrat', sans-serif;
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Project Info */
.project-info {
    padding: 80px 0;
    background: #1a1a1a;
}

.project-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.project-info-item {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.project-info-item:hover {
    background: rgba(212, 175, 55, 0.05);
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateY(-5px);
}

.project-info-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.project-info-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.project-info-value {
    font-family: 'Montserrat', sans-serif;
    font-size: 20px;
    font-weight: 600;
    color: #fff;
}

/* Project Content */
.project-content {
    padding: 80px 0;
    background: #2d2d2d;
}

.project-description {
    max-width: 900px;
    margin: 0 auto;
    font-family: 'Montserrat', sans-serif;
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
}

.project-description p {
    margin-bottom: 25px;
}

.project-description h2,
.project-description h3 {
    font-family: 'Montserrat', sans-serif;
    color: #fff;
    margin: 40px 0 20px;
}

.project-description h2 {
    font-size: 36px;
}

.project-description h3 {
    font-size: 28px;
}

.project-description img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 30px 0;
}

.project-description ul,
.project-description ol {
    margin: 20px 0;
    padding-left: 30px;
}

.project-description li {
    margin-bottom: 10px;
}

/* Navigation */
.project-navigation {
    padding: 60px 0;
    background: #1a1a1a;
    text-align: center;
}

.btn-back-portfolio {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 40px;
    background: linear-gradient(135deg, #d4af37 0%, #f4d03f 100%);
    color: #1a1a1a;
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 30px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-back-portfolio:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(212, 175, 55, 0.5);
    gap: 15px;
}

/* Responsive */
@media (max-width: 768px) {
    .project-hero {
        height: 50vh;
        min-height: 400px;
    }
    
    .project-title {
        font-size: 36px;
    }
    
    .project-info {
        padding: 50px 0;
    }
    
    .project-info-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .project-content {
        padding: 50px 0;
    }
    
    .project-description {
        font-size: 16px;
    }
    
    .project-description h2 {
        font-size: 28px;
    }
    
    .project-description h3 {
        font-size: 22px;
    }
}


/* ============================================
   Enhanced Mobile & Tablet Optimization
   ============================================ */

/* Tablet Portrait (768px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        padding: 0 40px;
    }
    
    .hero-title {
        font-size: 64px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .hero-buttons {
        flex-direction: row;
        gap: 15px;
    }
    
    .hero-button {
        padding: 16px 32px;
        font-size: 11px;
    }
    
    .section-title {
        font-size: 40px;
    }
    
    .section-desc {
        font-size: 16px;
    }
    
    /* Hero USP для планшета */
    .hero-usp {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        bottom: 30px;
    }
    
    .usp-item {
        padding: 18px 15px;
    }
    
    .usp-icon {
        font-size: 28px;
    }
    
    .usp-title {
        font-size: 13px;
    }
    
    .usp-text {
        font-size: 10px;
    }
}

/* Mobile Landscape (480px - 768px) */
@media (min-width: 481px) and (max-width: 768px) {
    .hero {
        min-height: 700px;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-subtitle {
        font-size: 13px;
        margin-bottom: 25px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 12px;
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .hero-button {
        width: 100%;
        padding: 18px 24px;
        font-size: 13px;
        font-weight: 600;
        border-radius: 12px;
        cursor: pointer;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }
    
    .hero-button:active {
        transform: scale(0.98);
    }
    
    /* Hero USP - 2 колонки */
    .hero-usp {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        bottom: 25px;
        width: calc(100% - 40px);
    }
    
    .usp-item {
        padding: 15px 14px;
    }
    
    .navbar {
        width: calc(100% - 30px);
    }
    
    .nav-container {
        padding: 10px 15px;
    }
}

/* Mobile Portrait (до 480px) */
@media (max-width: 480px) {
    .hero {
        height: auto !important;
        min-height: 100vh;
        padding-bottom: 20px;
        display: flex !important;
        flex-direction: column !important;
        align-items: stretch !important;
        justify-content: space-between !important;
        padding-top: 80px;
    }
    
    .hero-content {
        padding: 20px 20px 0 20px;
        max-width: 100%;
        width: 100%;
        position: relative;
        flex: 0 0 auto;
        display: flex;
        flex-direction: column;
        justify-content: center;
        flex: 1;
    }
    
    .hero-title {
        font-size: 28px;
        line-height: 1.1;
        margin-bottom: 12px;
    }
    
    .hero-subtitle {
        font-size: 10px;
        margin-bottom: 18px;
        line-height: 1.4;
    }
    
    .hero-label {
        font-size: 9px;
        margin-bottom: 10px;
        padding: 6px 14px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 10px;
        width: 100%;
        margin-top: auto;
        padding: 0 20px 20px 20px;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
        padding-top: 40px;
        z-index: 10;
    }
    
    .hero-button {
        width: 100%;
        padding: 16px 20px;
        font-size: 12px;
        font-weight: 600;
    }
    
    /* Навигация */
    .navbar {
        top: 5px;
        width: calc(100% - 20px);
        border-radius: 20px;
    }
    
    .nav-container {
        padding: 8px 12px;
    }
    
    .logo-main {
        font-size: 18px;
    }
    
    .logo-sub {
        font-size: 6px;
    }
    
    .cta-button {
        padding: 8px 16px;
        font-size: 9px;
    }
    
    .icon-btn {
        width: 32px;
        height: 32px;
    }
    
    .icon-btn svg {
        width: 18px;
        height: 18px;
    }
    
    /* Секции */
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 28px;
        margin-bottom: 15px;
    }
    
    .section-desc {
        font-size: 14px;
    }
    
    .section-label {
        font-size: 11px;
    }
    
    /* Проекты */
    .projects-grid {
        gap: 15px;
    }
    
    .project-card {
        height: 350px;
    }
    
    .project-filter {
        padding: 10px 18px;
        font-size: 11px;
    }
    
    /* Калькулятор */
    .calculator-title {
        font-size: 28px;
    }
    
    .calculator-steps {
        padding: 25px 15px;
    }
    
    .step-title {
        font-size: 20px;
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    /* Модальные окна */
    .callback-modal {
        width: 100%;
        max-width: none;
        max-height: 100vh;
        height: 100vh;
        overflow-y: auto;
        border-radius: 0;
        top: 0;
        left: 0;
        transform: none;
    }
    
    .callback-modal.active {
        transform: none;
    }
    
    .callback-modal-content {
        padding: 80px 20px 40px;
        min-height: 100vh;
        box-sizing: border-box;
    }
    
    .callback-modal h2 {
        font-size: 24px;
        margin-bottom: 8px;
    }
    
    .callback-subtitle {
        font-size: 13px;
        margin-bottom: 20px;
    }
    
    .form-group input[type="text"],
    .form-group input[type="tel"],
    .form-group input[type="email"],
    .form-group select,
    .form-group textarea {
        padding: 14px 16px;
        font-size: 16px;
        border-radius: 10px;
    }
    
    .callback-submit {
        padding: 16px;
        font-size: 16px;
    }
    
    .callback-close {
        top: 20px;
        right: 20px;
        padding: 8px;
        z-index: 10;
        background: rgba(255, 255, 255, 0.9);
    }
    
    /* Calculation modal specific */
    .calculation-modal .callback-modal-content {
        max-height: none;
        overflow-y: visible;
    }
    
    .form-row {
        flex-direction: column;
        gap: 20px;
    }
    
    .file-upload-area {
        padding: 20px;
    }
    
    .file-upload-text {
        font-size: 13px;
    }
    
    /* Footer */
    .footer {
        padding: 50px 0 30px;
    }
    
    .footer-grid {
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .footer-bottom p {
        width: 100%;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Увеличиваем области нажатия для touch */
    .hero-button,
    .project-filter,
    .btn-load-more,
    .callback-submit,
    .mobile-menu-toggle,
    .icon-btn,
    button,
    a {
        min-height: 44px;
        min-width: 44px;
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
    
    /* Убираем hover эффекты на touch устройствах */
    .hero-button:hover,
    .product-card:hover,
    .collection-card:hover {
        transform: none;
    }
    
    /* Активное состояние для touch */
    .hero-button:active {
        transform: scale(0.98);
        opacity: 0.9;
    }
    
    .mobile-menu-toggle:active {
        transform: scale(0.95);
    }
    
    .icon-btn {
        min-width: 44px;
        min-height: 44px;
    }
    
    /* Убираем hover эффекты на touch устройствах */
    .usp-item:hover,
    .project-card:hover,
    .service-item:hover {
        transform: none;
    }
    
    /* Оптимизация для прокрутки */
    * {
        -webkit-tap-highlight-color: transparent;
    }
}

/* Landscape orientation для мобильных */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        height: auto;
        min-height: 100vh;
        padding: 80px 0 40px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 12px;
        margin-bottom: 20px;
    }
    
    .hero-usp {
        position: relative;
        bottom: auto;
        margin-top: 30px;
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Очень маленькие экраны (до 360px) */
@media (max-width: 360px) {
    .hero-title {
        font-size: 32px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .usp-title {
        font-size: 11px;
    }
    
    .usp-text {
        font-size: 8px;
    }
    
    .hero-button {
        padding: 12px 16px;
        font-size: 9px;
    }
}


/* ============================================
   Mobile Menu Enhancements
   ============================================ */

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        display: flex !important;
        flex-direction: column;
        padding: 0;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: all 0.3s ease;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        border-radius: 0 0 20px 20px;
        margin: 0 10px;
        z-index: 9999;
    }
    
    .nav-menu.active {
        max-height: 500px;
        opacity: 1;
        padding: 20px;
    }
    
    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        list-style: none;
        margin: 0;
    }
    
    .nav-menu li:last-child {
        border-bottom: none;
    }
    
    .nav-menu a {
        display: block;
        padding: 15px 10px;
        font-size: 14px;
        color: #1a1a1a;
        text-decoration: none;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .nav-actions {
        gap: 4px;
    }
    
    .nav-actions .cta-button {
        display: none;
    }
    
    /* Prevent body scroll when menu is open */
    body.menu-open {
        overflow: hidden;
    }
}

/* Smooth scrolling для всех устройств */
html {
    scroll-behavior: smooth;
}

/* Оптимизация производительности для мобильных */
@media (max-width: 768px) {
    * {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    
    img {
        image-rendering: -webkit-optimize-contrast;
    }
    
    /* Отключаем анимации для экономии батареи */
    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
        }
    }
}