/*
Theme Name: Arfa
Theme URI: https://arfa.ru
Author: Arfa
Author URI: https://arfa.ru
Description: Тема для сайта производителя металлических потолочных систем
Version: 1.0
License: Proprietary
Text Domain: arfa
*/

/* Подключение шрифта Inter */
@import url('https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,400;14..32,500;14..32,600;14..32,700;14..32,800&display=swap');

/* Базовые сбросы и переменные */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #f5f7fa;
    color: #1e1e2f;
    line-height: 1.5;
    scroll-behavior: smooth;
}

:root {
    --primary-dark: #1e1e2f;
    --accent: #ffc400;
    --accent-hover: #e6b300;
    --text-light: #f9fafb;
    --text-dark: #1e1e2f;
    --gray-light: #e5e7eb;
    --gray-mid: #9ca3af;
    --overlay: rgba(0, 0, 0, 0.6);
    --glass-bg: rgba(50, 50, 60, 0.7);
    --glass-border: rgba(255, 255, 255, 0.15);
    --secondary-accent: #a5b8d0;
    --header-height: 64px;
    --shadow-sm: 0 8px 30px rgba(0,0,0,0.05);
    --shadow-hover: 0 20px 40px rgba(0,0,0,0.08);
    --border-radius-card: 16px;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Общие стили секций */
section {
    padding: 100px 0;
}

.section-header {
    text-align: left;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--primary-dark);
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--gray-mid);
    max-width: 600px;
}

/* Каталог */
.catalog {
    background: linear-gradient(145deg, #f5f7fa 0%, #ffffff 100%);
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.catalog-item {
    background: #ffffff;
    border-radius: var(--border-radius-card);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.4s cubic-bezier(0.2, 0, 0, 1), box-shadow 0.4s;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    border: 1px solid rgba(0,0,0,0.02);
    position: relative;
    overflow: hidden;
}

.catalog-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, rgba(255,196,0,0.1), transparent 70%);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

.catalog-item:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-hover);
}

.catalog-item:hover::before {
    opacity: 1;
}

.catalog-image {
    width: 100%;
    height: 180px;
    border-radius: calc(var(--border-radius-card) / 2);
    margin-bottom: 20px;
    overflow: hidden;
    background: linear-gradient(145deg, #eef2f6, #e0e4e9);
}

.catalog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}

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

.catalog-item h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

.catalog-item p {
    font-size: 0.95rem;
    color: var(--gray-mid);
    line-height: 1.5;
    margin-bottom: 20px;
    flex: 1;
}

.catalog-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--accent);
    color: var(--primary-dark);
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 40px;
    text-decoration: none;
    font-size: 0.95rem;
    transition: background-color 0.2s, gap 0.2s, transform 0.2s;
    margin-top: auto;
    border: none;
    cursor: pointer;
}

.catalog-link i {
    font-size: 0.9rem;
    transition: transform 0.2s;
}

.catalog-link:hover {
    background-color: var(--accent-hover);
    gap: 12px;
}

.catalog-link:hover i {
    transform: translateX(4px);
}

/* Отраслевые решения */
.solutions {
    background: #ffffff;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.solution-card {
    background: #ffffff;
    border-radius: var(--border-radius-card);
    box-shadow: var(--shadow-sm);
    transition: transform 0.4s cubic-bezier(0.2, 0, 0, 1), box-shadow 0.4s;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    text-align: left;
    border: 1px solid rgba(0,0,0,0.02);
    overflow: hidden;
}

.solution-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-hover);
}

.solution-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(145deg, #eef2f6, #e0e4e9);
}

.solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}

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

.solution-content {
    padding: 30px 24px 24px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    flex: 1;
}

.solution-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--primary-dark);
    line-height: 1.2;
}

.solution-content p {
    font-size: 1rem;
    color: var(--gray-mid);
    line-height: 1.5;
    margin-bottom: 24px;
    flex: 1;
}

.solution-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-weight: 600;
    text-decoration: none;
    font-size: 1rem;
    transition: gap 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.solution-link i {
    font-size: 0.9rem;
    transition: transform 0.2s;
}

.solution-link:hover {
    gap: 12px;
}

.solution-link:hover i {
    transform: translateX(4px);
}

/* Адаптация */
@media (max-width: 1100px) {
    .catalog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .catalog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 600px) {
    .catalog-grid, .solutions-grid {
        grid-template-columns: 1fr;
    }
    .section-header h2 {
        font-size: 1.8rem;
    }
}

/* Футер (базовый) */
.site-footer {
    background: var(--primary-dark);
    color: var(--text-light);
    padding: 40px 0;
    text-align: center;
}