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* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary: #2c5aa0;
    --primary-light: #4a7dc8;
    --secondary: #ffb300;
    --background: #f8f9fa;
    --surface: #ffffff;
    --text: #2d3748;
    --text-light: #718096;
    --shadow: rgba(0, 0, 0, 0.08);
    --shadow-hover: rgba(0, 0, 0, 0.12);
}

body {
    background-color: var(--background);
    color: var(--text);
    overflow-x: hidden;
    min-height: 100vh;
}

.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 30px var(--shadow);
    padding: 30px;
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.glass-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow-hover);
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(255, 179, 0, 0.3); }
    50% { box-shadow: 0 0 40px rgba(255, 179, 0, 0.6); }
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.logo-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-main {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2px;
    margin-bottom: 5px;
}

.logo-sub {
    font-size: 10px;
    color: var(--text-light);
    letter-spacing: 1px;
    text-transform: uppercase;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

nav ul li a:hover {
    color: var(--primary);
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

nav ul li a:hover::after {
    width: 100%;
}

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #e6f0ff 0%, #f0f7ff 100%);
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    z-index: 10;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--primary);
    animation: float 6s infinite;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    line-height: 1.6;
    color: var(--text);
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    background: linear-gradient(45deg, var(--secondary), #ffca28);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 5px 15px rgba(255, 179, 0, 0.4);
}

.btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(255, 179, 0, 0.6);
}

section {
    padding: 100px 5%;
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: var(--primary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.benefit-card {
    height: 250px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    animation: float 5s infinite;
    animation-delay: calc(var(--delay) * 1s);
}

.benefit-card i {
    font-size: 50px;
    color: var(--secondary);
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--primary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    height: 450px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform 0.5s;
}

.product-card:hover {
    transform: translateY(-10px);
}

.product-image {
    height: 200px;
    border-radius: 15px 15px 0 0;
    overflow: hidden;
    position: relative;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.product-info {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-info h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--primary);
}

.product-info p {
    margin-bottom: 20px;
    flex-grow: 1;
    color: var(--text-light);
}

.price {
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 15px;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-item i {
    font-size: 24px;
    color: var(--secondary);
}

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

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

.form-group label {
    font-weight: 500;
    color: var(--primary);
}

.form-group input,
.form-group textarea {
    padding: 15px;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    background: white;
    color: var(--text);
    font-size: 16px;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

footer {
    background: var(--surface);
    padding: 40px 5%;
    text-align: center;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

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

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: var(--text);
    font-size: 24px;
    transition: color 0.3s, transform 0.3s;
}

.social-links a:hover {
    color: var(--primary);
    transform: translateY(-3px);
}

.copyright {
    font-size: 14px;
    color: var(--text-light);
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 5px 10px;
    }
}

.gallery-section {
    background: rgba(230, 240, 255, 0.5);
    padding: 80px 5%;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.gallery-item {
    height: 200px;
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    transition: transform 0.5s;
}

.gallery-item:hover {
    transform: scale(1.05);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.stat-card {
    text-align: center;
    padding: 30px 20px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 18px;
    color: var(--text-light);
}

/* Новая анимация солнечной панели */
.solar-tracking-animation {
    position: relative;
    width: 100%;
    height: 500px;
    margin: 80px 0;
    overflow: hidden;
    background: linear-gradient(to bottom, #a1c4fd, #c2e9fb);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.sky {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 70%;
    background: linear-gradient(to bottom, #87CEEB, #E0F7FF);
    overflow: hidden;
}

.sun {
    position: absolute;
    top: 50px;
    left: 10%;
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, #ffeb3b, #ff9800);
    border-radius: 50%;
    box-shadow: 0 0 40px rgba(255, 193, 7, 0.8);
    transition: transform 0.5s ease;
    z-index: 5;
}

.ground {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: linear-gradient(to bottom, #8BC34A, #689F38);
}

.solar-panel {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 120px;
    background: linear-gradient(135deg, #2c3e50, #34495e);
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-wrap: wrap;
    padding: 5px;
    transform-origin: center bottom;
    transition: transform 0.5s ease;
    z-index: 10;
}

.panel-cell {
    width: 46px;
    height: 46px;
    margin: 2px;
    background: linear-gradient(135deg, #4a7dc8, #2c5aa0);
    border-radius: 4px;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.2);
}

.panel-stand {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 40px;
    background: #7f8c8d;
    border-radius: 5px 5px 0 0;
}

.energy-beam {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
    background-size: 200% 200%;
    animation: solar-rays 3s infinite linear;
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}

@keyframes solar-rays {
    0% { background-position: -100% -100%; }
    100% { background-position: 100% 100%; }
}

.cloud {
    position: absolute;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
    opacity: 0.8;
}

.cloud-1 {
    width: 100px;
    height: 40px;
    top: 80px;
    left: 20%;
    animation: cloud-move 25s linear infinite;
}

.cloud-2 {
    width: 120px;
    height: 50px;
    top: 120px;
    left: 60%;
    animation: cloud-move 30s linear infinite reverse;
}

.cloud-3 {
    width: 80px;
    height: 30px;
    top: 160px;
    left: 40%;
    animation: cloud-move 20s linear infinite;
}

@keyframes cloud-move {
    0% { transform: translateX(-100px); }
    100% { transform: translateX(calc(100vw + 100px)); }
}

.info-text {
    position: absolute;
    bottom: 20px;
    left: 0;
    width: 100%;
    text-align: center;
    color: var(--text);
    font-weight: 500;
    z-index: 15;
}