/*
Theme Name: Atlant Beton
Theme URI: http://atlantbeton.ru
Author: Claude Code
Description: Professional SEO-optimized theme for a concrete production company.
Version: 1.0
Text Domain: atlant-beton
*/

:root {
    --primary-color: #FFB800; /* Construction Yellow */
    --secondary-color: #333333; /* Deep Charcoal */
    --accent-color: #7A7A7A; /* Concrete Grey */
    --text-color: #222222;
    --bg-light: #F9F9F9;
    --white: #FFFFFF;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-light);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--secondary-color);
    line-height: 1.2;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.btn-primary:hover {
    background-color: #e6a600;
    transform: translateY(-2px);
}

/* Header Styles */
.site-header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo img {
    height: 60px;
    width: auto;
}

.main-navigation ul {
    display: flex;
    gap: 20px;
}

.main-navigation a:hover {
    color: var(--primary-color);
}

.header-contact {
    text-align: right;
}

.phone-link {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--secondary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('assets/img/hero-concrete.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 120px 0;
    text-align: center;
}

.hero h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Advantages Section */
.advantages {
    padding: 80px 0;
    background-color: var(--white);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage-item {
    text-align: center;
    padding: 30px;
    border: 1px solid #eee;
    border-radius: 8px;
    transition: var(--transition);
}

.advantage-item:hover {
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    border-color: var(--primary-color);
}

.advantage-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Products Grid */
.products {
    padding: 80px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.product-card {
    background: var(--white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border-left: 5px solid var(--primary-color);
}

.product-card h3 {
    margin-bottom: 10px;
}

/* Expert Article Section */
.expert-section {
    padding: 80px 0;
    background-color: var(--secondary-color);
    color: var(--white);
}

.expert-section h2 {
    color: var(--white);
}

.expert-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.expert-text {
    flex: 1;
}

.expert-image {
    flex: 1;
}

.expert-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* Footer */
.site-footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

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

.footer-col h4 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
    color: var(--accent-color);
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
    }
    .main-navigation ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .expert-content {
        flex-direction: column;
    }
}