/*
Theme Name: RICHeS
Version: 3.0 - Premium Apple Style
*/

:root {
    --green-deep: #0A2E1F;
    --green-rich: #0B3B2A;
    --green-emerald: #2D8C5A;
    --gold-premium: #D4AF37;
    --gold-light: #E8D18C;
    --glass-white: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(76, 175, 122, 0.35);
    --glow-green: 0 0 20px rgba(45, 140, 90, 0.3);
    --glow-gold: 0 0 15px rgba(212, 175, 55, 0.25);
    --text-primary: #FFFFFF;
    --text-secondary: #D4E8DC;
}

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

body {
    background: radial-gradient(circle at 10% 20%, var(--green-rich), var(--green-deep));
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', system-ui, sans-serif;
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ===== АНИМАЦИИ ===== */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.stat-card, .adv-card, .project-card, .tariff-card, .contact-card {
    animation: fadeUp 0.6s ease forwards;
}

/* ===== ПРЕМИАЛЬНАЯ ШАПКА ===== */
.site-header {
    background: rgba(10, 46, 31, 0.7);
    backdrop-filter: blur(20px);
    padding: 18px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.logo-text {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, #FFFFFF, var(--green-emerald), var(--gold-premium));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo-tagline {
    font-size: 12px;
    color: var(--text-secondary);
    opacity: 0.7;
    letter-spacing: 0.5px;
}

/* ===== МЕНЮ (исправленное подчёркивание) ===== */
.main-menu {
    list-style: none;
    display: flex;
    gap: 48px;
    margin: 0;
    padding: 0;
}

.main-menu li {
    position: relative;
}

.main-menu li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
    position: relative;
    padding-bottom: 8px;
    display: inline-block;
}

/* Жёлтая черточка — едет слева направо */
.main-menu li a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold-premium), var(--gold-light));
    transition: width 0.3s ease-in-out;
    border-radius: 2px;
}

.main-menu li a:hover {
    color: white;
}

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

/* Активный пункт меню (текущая страница) */
.main-menu .current-menu-item a::after,
.main-menu .current-page-ancestor a::after {
    width: 100%;
}

/* ===== ГЛАВНЫЙ ЭКРАН ===== */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(45, 140, 90, 0.2), transparent 70%);
    pointer-events: none;
}

.hero-title {
    font-size: 68px;
    font-weight: 800;
    line-height: 1.1;
    background: linear-gradient(135deg, #FFFFFF, var(--green-emerald), var(--gold-premium));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 24px;
}

.hero-desc {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

/* ===== СТЕКЛЯРУСНЫЕ КНОПКИ ===== */
.btn-glass, .btn-outline {
    display: inline-block;
    padding: 14px 38px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    backdrop-filter: blur(10px);
    margin: 0 10px;
}

.btn-glass {
    background: linear-gradient(135deg, rgba(45, 140, 90, 0.3), rgba(212, 175, 55, 0.15));
    border: 1px solid var(--glass-border);
    color: white;
    box-shadow: var(--glow-green);
}

.btn-glass:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow-gold), 0 10px 30px rgba(0,0,0,0.2);
    border-color: var(--gold-premium);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--gold-premium);
    color: var(--gold-premium);
}

.btn-outline:hover {
    background: rgba(212, 175, 55, 0.15);
    transform: translateY(-3px);
    box-shadow: var(--glow-gold);
}

/* ===== КАРТОЧКИ ===== */
.stat-card, .adv-card, .project-card, .tariff-card, .contact-card {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(16px);
    border-radius: 28px;
    padding: 32px 24px;
    text-align: center;
    border: 1px solid var(--glass-border);
    transition: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

.stat-card:hover, .adv-card:hover, .project-card:hover, .tariff-card:hover, .contact-card:hover {
    transform: translateY(-10px);
    border-color: var(--gold-premium);
    box-shadow: 0 25px 45px rgba(0, 0, 0, 0.3), var(--glow-gold);
    background: rgba(255, 255, 255, 0.07);
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--green-emerald), var(--gold-premium));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 8px;
}

.adv-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.adv-card strong {
    font-size: 20px;
    display: block;
    margin-bottom: 10px;
}

/* ===== СЕКЦИИ ===== */
.about, .advantages, .projects-preview {
    padding: 80px 0;
}

.section-title {
    font-size: 44px;
    font-weight: 700;
    text-align: center;
    background: linear-gradient(135deg, #FFFFFF, var(--green-emerald), var(--gold-premium));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 60px;
}

.about-text h2 {
    font-size: 38px;
    background: linear-gradient(135deg, #FFFFFF, var(--gold-premium));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 24px;
}

.about-text p {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.advantages-grid, .projects-grid, .tariffs-grid, .contacts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

/* ===== ФУТЕР ===== */
.site-footer {
    background: rgba(10, 46, 31, 0.9);
    backdrop-filter: blur(20px);
    padding: 60px 0 30px;
    margin-top: 80px;
    border-top: 1px solid var(--glass-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, #FFFFFF, var(--green-emerald));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.footer-col h4 {
    font-size: 18px;
    color: var(--gold-premium);
    margin-bottom: 20px;
}

.footer-col a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: 0.3s;
}

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

/* ===== КНОПКА НАВЕРХ ===== */
.back-to-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 52px;
    height: 52px;
    background: rgba(45, 140, 90, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid var(--gold-premium);
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    transition: 0.3s;
    z-index: 999;
}

.back-to-top-btn.show {
    opacity: 1;
}

.back-to-top-btn:hover {
    transform: translateY(-5px);
    background: var(--gold-premium);
    color: var(--green-deep);
}

/* ===== МОБИЛЬНАЯ АДАПТАЦИЯ (меню + всё остальное) ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-desc {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .about-text h2 {
        font-size: 28px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
    
    .btn-glass, .btn-outline {
        padding: 10px 24px;
        margin: 5px;
    }
    
    /* Сетки — по 1 карточке */
    .projects-grid, .advantages-grid, .tariffs-grid, .contacts-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    
    /* Шапка */
    .site-header {
        padding: 12px 0 !important;
    }
    
    .header-inner {
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
    }
    
    .logo-text {
        font-size: 24px !important;
        white-space: nowrap;
    }
    
    .logo-tagline {
        font-size: 10px !important;
        white-space: nowrap;
    }
    
    /* Убираем подчёркивание в мобильном меню */
    .main-menu li a::after {
        display: none !important;
    }
}