/* ===== ГЛОБАЛЬНЫЕ СТИЛИ ===== */
:root {
    /* Современная цветовая палитра */
    --primary-color: #1A365D;
    --secondary-color: #F6AD55;
    --accent-color: #10B981;
    --dark-color: #2D3748;
    --light-color: #F8FAFC;
    --white: #FFFFFF;
    
    /* Градиенты */
    --gradient-primary: linear-gradient(135deg, #1A365D 0%, #4A5568 100%);
    --gradient-secondary: linear-gradient(135deg, #F6AD55 0%, #ED8936 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(26, 54, 93, 0.8) 0%, rgba(74, 85, 104, 0.6) 100%);
    
    /* Типографика */
    --font-family: 'Inter', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Отступы */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Тени */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --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);
    
    /* Радиусы */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    /* Переходы */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ===== УТИЛИТЫ ===== */
.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background: var(--gradient-primary) !important;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: var(--white);
    font-weight: var(--font-weight-semibold);
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #2C5282 0%, #5A6B7D 100%);
    color: var(--white);
}

.btn-outline-light {
    border: 2px solid var(--white);
    color: var(--white);
    font-weight: var(--font-weight-semibold);
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
    background: transparent;
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===== НАВИГАЦИЯ ===== */
.navbar {
    background: rgba(26, 54, 93, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.navbar.scrolled {
    background: rgba(26, 54, 93, 0.98);
    backdrop-filter: blur(15px);
    padding: 0.5rem 0;
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    font-weight: var(--font-weight-extrabold);
    font-size: 1.75rem;
    color: var(--white) !important;
    text-decoration: none;
    transition: all var(--transition-normal);
}

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

.navbar-nav .nav-link {
    color: var(--white) !important;
    font-weight: var(--font-weight-medium);
    margin: 0 0.5rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
    position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--secondary-color) !important;
}

/* ===== HERO СЕКЦИЯ ===== */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
    z-index: 2;
}

.hero-images {
    position: relative;
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-img-1 {
    animation: parallaxLeft 20s ease-in-out infinite;
}

.hero-img-2 {
    animation: parallaxRight 25s ease-in-out infinite;
}

@keyframes parallaxLeft {
    0%, 100% { transform: scale(1.05) translateX(-2px); }
    50% { transform: scale(1.1) translateX(2px); }
}

@keyframes parallaxRight {
    0%, 100% { transform: scale(1.05) translateX(2px); }
    50% { transform: scale(1.1) translateX(-2px); }
}

.hero-content {
    position: relative;
    z-index: 3;
    color: var(--white);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: var(--font-weight-extrabold);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    font-weight: var(--font-weight-normal);
    opacity: 0.95;
    max-width: 600px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero-stats {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--secondary-color);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-down {
    display: inline-block;
    width: 3rem;
    height: 3rem;
    border: 2px solid var(--white);
    border-radius: 50%;
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-normal);
    animation: bounce 2s infinite;
}

.scroll-down:hover {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
    background: rgba(255, 255, 255, 0.1);
}

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

/* ===== СЕКЦИИ ===== */
section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-secondary);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.25rem;
    font-weight: var(--font-weight-normal);
    color: var(--dark-color);
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== О КОМПАНИИ ===== */
.about-section {
    background: var(--white);
}

.about-intro {
    background: var(--light-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-xl);
    border-left: 5px solid var(--accent-color);
    box-shadow: var(--shadow-sm);
}

.about-intro .lead {
    font-size: 1.2rem;
    font-weight: var(--font-weight-normal);
    color: var(--dark-color);
    margin: 0;
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-xl);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    transition: all var(--transition-slow);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.feature-card:hover::before {
    left: 100%;
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: var(--white);
    font-size: 1.5rem;
    transition: all var(--transition-normal);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h4 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    font-size: 1rem;
    color: var(--dark-color);
    opacity: 0.8;
    margin: 0;
}

/* ===== ПРОДУКЦИЯ ===== */
.products-section {
    background: var(--light-color);
}

.product-item {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-title {
    font-size: 1.75rem;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.product-description {
    font-size: 1.1rem;
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.product-features {
    list-style: none;
    padding: 0;
}

.product-features li {
    padding: 0.5rem 0;
    font-size: 1rem;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.product-images img {
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.product-images img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

/* ===== ГАЛЕРЕЯ ===== */
.gallery-section {
    background: var(--white);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: all var(--transition-normal);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 54, 93, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--transition-normal);
}

.gallery-overlay i {
    color: var(--white);
    font-size: 2rem;
    transform: scale(0.5);
    transition: all var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover .gallery-overlay i {
    transform: scale(1);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* ===== КОНТАКТЫ ===== */
.contact-section {
    background: var(--primary-color);
}

.contact-info h3,
.contact-form h3 {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    font-weight: var(--font-weight-semibold);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(10px);
}

.contact-icon {
    width: 3rem;
    height: 3rem;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-details h5 {
    color: var(--secondary-color);
    font-weight: var(--font-weight-semibold);
    margin-bottom: 0.25rem;
}

.contact-details p {
    color: var(--white);
    margin: 0;
    opacity: 0.9;
}

.contact-details a {
    color: var(--white);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.contact-details a:hover {
    color: var(--secondary-color);
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-control {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-md);
    color: var(--white);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(246, 173, 85, 0.25);
    color: var(--white);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-color);
    padding: var(--spacing-md) 0;
}

.footer a {
    color: var(--white);
    text-decoration: none;
    transition: all var(--transition-normal);
}

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

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 768px) {
    .hero-images {
        grid-template-columns: 1fr;
    }
    
    .hero-img-2 {
        display: none;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-buttons .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    .feature-card {
        margin-bottom: var(--spacing-md);
    }
    
    .product-item {
        text-align: center;
    }
    
    .product-item .row {
        flex-direction: column;
    }
    
    .product-item .col-lg-6 {
        margin-bottom: var(--spacing-md);
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .section-title {
        text-align: center;
    }
    
    .section-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 576px) {
    .hero-stats {
        margin-bottom: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .navbar-brand {
        font-size: 1.5rem;
    }
    
    .feature-icon {
        width: 3rem;
        height: 3rem;
        font-size: 1.25rem;
    }
    
    .gallery-item img {
        height: 200px;
    }
}

/* ===== АНИМАЦИИ ===== */
@media (prefers-reduced-motion: no-preference) {
    [data-aos] {
        transition-property: transform, opacity;
    }
}

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

/* ===== ДОПОЛНИТЕЛЬНЫЕ УЛУЧШЕНИЯ ===== */
.btn:focus,
.form-control:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

::selection {
    background: var(--secondary-color);
    color: var(--white);
}

.img-fluid {
    transition: all var(--transition-normal);
}

/* ===== КАСТОМНЫЙ СКРОЛЛБАР ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}