/* ============================================
   Marine Garden Sochi 4* - Main Styles
   Optimized for Performance & SEO
   ============================================ */

/* CSS Custom Properties (Variables) */
:root {
    /* Colors */
    --color-primary: #05223c;
    --color-primary-light: #0a3a5c;
    --color-secondary: #412f23;
    --color-accent: #d27b3c;
    --color-accent-hover: #e8954f;
    --color-accent-light: #f5d4b8;
    --color-white: #ffffff;
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #adb5bd;
    --color-gray-600: #6c757d;
    --color-gray-700: #495057;
    --color-gray-800: #343a40;
    --color-gray-900: #212529;
    --color-success: #28a745;
    --color-error: #dc3545;
    --color-whatsapp: #25D366;
    --color-telegram: #0088cc;

    /* Typography */
    --font-primary: 'Montserrat', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Container */
    --container-max: 1200px;
    --container-padding: 20px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--color-white);
    background-color: var(--color-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body.loading {
    opacity: 0;
    animation: fadeIn 0.5s ease forwards 0.1s;
}

body.menu-open {
    overflow: hidden;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-accent);
    color: var(--color-white);
    padding: var(--space-sm) var(--space-md);
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

a:hover, a:focus {
    color: var(--color-accent);
}

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

picture {
    display: block;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 14px 28px;
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: var(--font-weight-semibold);
    line-height: 1.4;
    text-align: center;
    text-decoration: none;
    color: var(--color-white);
    background-color: transparent;
    border: 2px solid var(--color-white);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.btn:hover, .btn:focus {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
}

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

.btn-outline {
    background-color: transparent;
    border-color: var(--color-white);
    color: var(--color-white);
}

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

.btn-small {
    padding: 10px 18px;
    font-size: 13px;
}

.btn-large {
    padding: 18px 36px;
    font-size: 16px;
}

.btn-full {
    width: 100%;
}

.btn:disabled,
.btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-loader {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

.btn.loading .btn-text {
    opacity: 0;
}

.btn.loading .btn-loader {
    display: block;
    position: absolute;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background-color: rgba(5, 34, 60, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.header.scrolled {
    background-color: rgba(5, 34, 60, 0.98);
    box-shadow: var(--shadow-md);
}

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

/* Logo */
.logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: var(--color-white);
}

.logo:hover, .logo:focus {
    color: var(--color-white);
}

.logo-text {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    letter-spacing: 0.5px;
}

.logo-sub {
    font-size: 12px;
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    letter-spacing: 1px;
}

/* Navigation */
.nav {
    display: none;
}

@media (min-width: 1024px) {
    .nav {
        display: block;
    }
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    list-style: none;
}

.nav-link {
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
    text-decoration: none;
    padding: var(--space-sm) 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Header Contacts */
.header-contacts {
    display: none;
    align-items: center;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .header-contacts {
        display: flex;
    }
}

.header-phone {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    text-decoration: none;
}

.header-phone:hover {
    color: var(--color-accent);
}

.header-phone svg {
    flex-shrink: 0;
}

.header-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    transition: all var(--transition-normal);
}

.header-btn:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* Burger Menu */
.burger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    z-index: var(--z-modal);
}

@media (min-width: 1024px) {
    .burger {
        display: none;
    }
}

.burger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--transition-normal);
}

.burger span:nth-child(2) {
    margin: 6px 0;
}

.burger.active span:first-child {
    transform: rotate(45deg) translate(5px, 6px);
}

.burger.active span:nth-child(2) {
    opacity: 0;
}

.burger.active span:last-child {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-primary);
    z-index: var(--z-fixed);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--space-2xl);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.mobile-nav-list {
    list-style: none;
    text-align: center;
}

.mobile-nav-link {
    display: block;
    font-size: 24px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    padding: var(--space-md);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
    color: var(--color-accent);
}

.mobile-contacts {
    margin-top: var(--space-2xl);
    text-align: center;
}

.mobile-phone {
    display: block;
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.mobile-socials {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
}

.mobile-socials a {
    font-size: 14px;
    color: var(--color-accent);
    text-decoration: none;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px var(--container-padding) 60px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(5,34,60,0.4) 0%, rgba(5,34,60,0.8) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-subtitle {
    font-size: clamp(14px, 2vw, 18px);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: var(--space-md);
    opacity: 0;
    animation: slideUp 0.8s ease forwards 0.2s;
}

.hero-title {
    font-size: clamp(36px, 8vw, 72px);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: slideUp 0.8s ease forwards 0.4s;
}

.hero-price {
    font-size: clamp(18px, 3vw, 24px);
    font-weight: var(--font-weight-light);
    margin-bottom: var(--space-2xl);
    opacity: 0;
    animation: slideUp 0.8s ease forwards 0.6s;
}

.hero-price strong {
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    opacity: 0;
    animation: slideUp 0.8s ease forwards 0.8s;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    font-size: 12px;
    color: var(--color-gray-400);
    animation: bounce 2s infinite;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Sections */
.section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-size: clamp(28px, 5vw, 42px);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: clamp(16px, 2vw, 18px);
    color: var(--color-gray-400);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background-color: var(--color-primary-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

@media (min-width: 768px) {
    .about-content {
        grid-template-columns: 1fr 1fr;
    }
}

.about-text p {
    margin-bottom: var(--space-lg);
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-gray-300);
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

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

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

/* Features Section */
.features {
    background-color: var(--color-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--color-accent);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background-color: rgba(210, 123, 60, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-accent);
}

.feature-title {
    font-size: 20px;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
}

.feature-text {
    font-size: 14px;
    color: var(--color-gray-400);
    line-height: 1.6;
}

/* Apartments Section */
.apartments {
    background-color: var(--color-secondary);
}

.apartments-slider {
    position: relative;
    overflow: hidden;
    padding: 0 50px;
}

.apartments-track {
    display: flex;
    gap: var(--space-xl);
    transition: transform var(--transition-slow);
}

.apartment-card {
    flex: 0 0 calc(33.333% - 20px);
    min-width: 300px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 1024px) {
    .apartment-card {
        flex: 0 0 calc(50% - 12px);
    }
}

@media (max-width: 640px) {
    .apartment-card {
        flex: 0 0 100%;
    }

    .apartments-slider {
        padding: 0;
    }
}

.apartment-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

/* Apartment Gallery */
.apartment-gallery {
    position: relative;
    height: 280px;
    overflow: hidden;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.gallery-images {
    position: relative;
    width: 100%;
    height: 100%;
}

.gallery-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.gallery-img.active {
    opacity: 1;
}

.gallery-plan {
    display: none;
}

.gallery-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.gallery-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.gallery-dot.active,
.gallery-dot:hover {
    background: var(--color-white);
    transform: scale(1.2);
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.5);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 10;
}

.apartment-gallery:hover .gallery-nav {
    opacity: 1;
}

.gallery-nav:hover {
    background: var(--color-accent);
}

.gallery-prev { left: 10px; }
.gallery-next { right: 10px; }

.hover-hint {
    display: none;
}

.apartment-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: 6px 12px;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-sm);
    z-index: 10;
}

/* Legacy apartment-image support */
.apartment-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

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

.apartment-content {
    padding: var(--space-lg);
}

.apartment-title {
    font-size: 22px;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-sm);
}

.apartment-desc {
    font-size: 14px;
    color: var(--color-gray-400);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.apartment-details {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.apartment-area,
.apartment-price {
    font-size: 14px;
    color: var(--color-gray-300);
}

.apartment-price {
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
}

.apartment-buttons {
    display: flex;
    gap: var(--space-sm);
}

.apartment-buttons .btn {
    flex: 1;
}

/* Slider Controls */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    color: var(--color-primary);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
    z-index: 10;
}

.slider-btn:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.slider-prev {
    left: 0;
}

.slider-next {
    right: 0;
}

@media (max-width: 640px) {
    .slider-btn {
        display: none;
    }
}

/* Payment Section */
.payment {
    background-color: var(--color-primary);
}

.payment-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

@media (min-width: 768px) {
    .payment-wrapper {
        grid-template-columns: 1fr 1fr;
    }
}

.payment-list {
    list-style: none;
    margin: var(--space-xl) 0;
}

.payment-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    font-size: 16px;
    color: var(--color-gray-300);
}

.payment-item svg {
    flex-shrink: 0;
    color: var(--color-success);
}

.payment-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

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

/* Projects Section */
.projects {
    background-color: var(--color-primary-light);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.project-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    height: 200px;
    overflow: hidden;
}

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

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

.project-content {
    padding: var(--space-lg);
    text-align: center;
}

.project-title {
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
}

.project-price {
    font-size: 16px;
    color: var(--color-accent);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-md);
}

/* Contacts Section */
.contacts {
    background-color: var(--color-primary);
}

.contacts-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
}

@media (min-width: 768px) {
    .contacts-wrapper {
        grid-template-columns: 1fr 1fr;
    }
}

.contacts-subtitle {
    font-size: 16px;
    color: var(--color-gray-400);
    margin-bottom: var(--space-xl);
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.contact-item svg {
    flex-shrink: 0;
    color: var(--color-accent);
}

.contact-item div {
    display: flex;
    flex-direction: column;
}

.contact-item strong {
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
}

.contact-item span,
.contact-item a {
    font-size: 14px;
    color: var(--color-gray-400);
}

.contacts-socials {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px 16px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--color-white);
    transition: all var(--transition-normal);
}

.social-link:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* Form Styles */
.contacts-form {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contacts-form h3 {
    font-size: 24px;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-lg);
}

.lead-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font-primary);
    font-size: 15px;
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-500);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--color-accent);
    background-color: rgba(255, 255, 255, 0.08);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--color-error);
}

.form-error {
    display: none;
    font-size: 12px;
    color: var(--color-error);
    margin-top: 4px;
}

.form-group.has-error .form-error {
    display: block;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23adb5bd' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
    cursor: pointer;
}

.form-group select option {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--color-accent);
}

.form-checkbox label {
    font-size: 13px;
    color: var(--color-gray-400);
    cursor: pointer;
}

.form-checkbox label a {
    color: var(--color-accent);
    text-decoration: underline;
}

/* Footer */
.footer {
    background-color: var(--color-primary-light);
    padding: var(--space-2xl) 0;
}

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

.footer-logo {
    display: flex;
    flex-direction: column;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md) var(--space-xl);
}

.footer-nav a {
    font-size: 14px;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-nav a:hover {
    color: var(--color-accent);
}

.footer-socials {
    display: flex;
    gap: var(--space-md);
}

.footer-socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    color: var(--color-white);
    transition: all var(--transition-normal);
}

.footer-socials a:hover {
    background-color: var(--color-accent);
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
}

.copyright {
    font-size: 13px;
    color: var(--color-gray-500);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md) var(--space-xl);
}

.footer-links a {
    font-size: 13px;
    color: var(--color-gray-500);
}

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

/* Lead Widget */
.lead-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    z-index: var(--z-fixed);
}

@media (max-width: 640px) {
    .lead-widget {
        bottom: 16px;
        right: 16px;
    }
}

.widget-btn {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.widget-phone,
.widget-whatsapp,
.widget-telegram {
    width: 48px;
    height: 48px;
    opacity: 0;
    transform: scale(0.8) translateY(10px);
    pointer-events: none;
    transition: all var(--transition-normal);
}

.lead-widget.expanded .widget-phone,
.lead-widget.expanded .widget-whatsapp,
.lead-widget.expanded .widget-telegram {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: auto;
}

.widget-phone {
    background-color: var(--color-gray-700);
    color: var(--color-white);
}

.widget-whatsapp {
    background-color: var(--color-whatsapp);
    color: var(--color-white);
}

.widget-telegram {
    background-color: var(--color-telegram);
    color: var(--color-white);
}

.widget-main {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.widget-btn:hover {
    transform: scale(1.1);
}

.widget-main:hover {
    background-color: var(--color-accent-hover);
}

/* Modals */
.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-container {
    position: relative;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    background-color: var(--color-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-xl);
}

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

.modal-small {
    max-width: 400px;
}

.modal-large {
    max-width: 640px;
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    transition: color var(--transition-fast);
    z-index: 10;
}

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

.modal-content {
    padding: var(--space-2xl);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-title {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-sm);
}

.modal-subtitle {
    font-size: 14px;
    color: var(--color-gray-400);
    margin-bottom: var(--space-xl);
}

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

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(40, 167, 69, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-success);
}

/* Layout Modal */
.modal-layout {
    max-width: 900px;
}

.layout-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .layout-wrapper {
        grid-template-columns: 1fr 1fr;
    }
}

.layout-image {
    background: linear-gradient(135deg, rgba(5,34,60,0.95) 0%, rgba(65,47,35,0.95) 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.layout-image img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
}

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

.layout-form .modal-title {
    margin-bottom: var(--space-xs);
}

.layout-form .modal-subtitle {
    margin-bottom: var(--space-lg);
}

.layout-features {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.layout-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 13px;
    color: var(--color-gray-400);
    margin-bottom: var(--space-sm);
}

.layout-feature svg {
    color: var(--color-success);
    flex-shrink: 0;
}

.modal-quick-contacts {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.modal-quick-contacts span {
    display: block;
    font-size: 13px;
    color: var(--color-gray-500);
    margin-bottom: var(--space-md);
}

.quick-contacts-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.quick-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 10px 16px;
    font-size: 13px;
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.quick-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.quick-whatsapp:hover {
    background-color: var(--color-whatsapp);
}

.quick-telegram:hover {
    background-color: var(--color-telegram);
}

/* Privacy Modal */
.privacy-text {
    max-height: 400px;
    overflow-y: auto;
    padding-right: var(--space-md);
}

.privacy-text h3 {
    font-size: 16px;
    font-weight: var(--font-weight-semibold);
    margin: var(--space-lg) 0 var(--space-sm);
}

.privacy-text p {
    font-size: 14px;
    color: var(--color-gray-400);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

/* News Section */
.news {
    background: linear-gradient(180deg, var(--color-primary) 0%, rgba(65,47,35,0.3) 100%);
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .news-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.news-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.news-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-xl);
}

.news-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

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

.news-date {
    position: absolute;
    bottom: var(--space-md);
    left: var(--space-md);
    padding: 6px 12px;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    color: var(--color-white);
    font-size: 12px;
    border-radius: var(--radius-sm);
}

.news-content {
    padding: var(--space-lg);
}

.news-title {
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    line-height: 1.4;
    margin-bottom: var(--space-md);
    color: var(--color-white);
}

.news-text {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-gray-400);
    margin-bottom: var(--space-lg);
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card .btn {
    width: 100%;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-accent { color: var(--color-accent); }

/* Print Styles */
@media print {
    .header,
    .lead-widget,
    .modal,
    .hero-scroll,
    .burger,
    .mobile-menu {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .section {
        page-break-inside: avoid;
    }
}

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

    html {
        scroll-behavior: auto;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --color-accent: #ff9900;
    }

    .btn {
        border-width: 3px;
    }

    .feature-card,
    .apartment-card,
    .project-card {
        border-width: 2px;
    }
}

/* Dark Mode Support (already dark) */
@media (prefers-color-scheme: light) {
    /* Site is designed dark-first, no changes needed */
}