/* ===== ОСНОВНЫЕ ПЕРЕМЕННЫЕ ===== */
:root {
    --primary: #0e7c6b;
    --primary-dark: #095a4d;
    --primary-light: #e0f0ed;
    --secondary: #548687;
    --dark: #1a2e35;
    --dark-soft: #3e5a5e;
    --gray: #7e9a9e;
    --light: #fafcfb;
    --light-gray: #e6edeb;
    --white: #ffffff;
    --shadow-sm: 0 4px 20px rgba(0,0,0,0.02);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.04);
    --shadow-lg: 0 20px 40px rgba(14,124,107,0.08);
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --radius-xl: 40px;
    --transition: all 0.25s ease;
}

/* ===== СБРОС И БАЗОВЫЕ СТИЛИ ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
    font-size: 16px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

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

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== ШАПКА И НАВИГАЦИЯ ===== */
.header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--light-gray);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--dark);
    font-weight: 700;
}

.logo-icon {
    background: var(--primary);
    color: var(--white);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
}

.logo-text {
    font-size: 22px;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    gap: 36px;
}

.nav-link {
    color: var(--dark-soft);
    font-weight: 500;
    font-size: 16px;
    padding: 8px 0;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary);
    border-radius: 3px 3px 0 0;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--dark);
    cursor: pointer;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* ===== КНОПКИ ===== */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 15px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 8px 16px rgba(14,124,107,0.15);
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 12px 20px rgba(14,124,107,0.2);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 10px 26px;
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-small {
    padding: 8px 20px;
    font-size: 14px;
}

.btn-large {
    padding: 16px 36px;
    font-size: 16px;
}

/* ===== ПОДВАЛ ===== */
.footer {
    background: #f0f5f4;
    margin-top: 80px;
    padding: 60px 0 30px;
    border-top: 1px solid #dce5e2;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.8fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-logo .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 18px;
}

.footer-logo .logo-text {
    font-size: 20px;
}

.footer-desc {
    color: #4f6f74;
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 15px;
}

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

.social-links a {
    color: var(--primary);
    font-size: 24px;
    transition: var(--transition);
}

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

.footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #0f3d3a;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 12px;
}

.footer-links a,
.footer-contact a {
    color: #4f6f74;
    font-size: 15px;
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--primary);
}

.footer-contact li i {
    width: 22px;
    color: var(--primary);
    margin-right: 8px;
}

.bulk-order {
    margin-top: 24px;
    padding: 20px;
    background: #cde8e3;
    border-radius: var(--radius-md);
}

.bulk-order p {
    margin-bottom: 8px;
    color: #0f3d3a;
}

.bulk-price {
    font-weight: 700;
    color: var(--primary-dark);
    font-size: 18px;
}

.footer-bottom {
    border-top: 1px solid #cbd5d3;
    padding-top: 30px;
    text-align: center;
}

.copyright {
    color: #7e9a9e;
    font-size: 14px;
}

/* ===== ГЛАВНАЯ СТРАНИЦА ===== */
.hero {
    padding: 60px 0 40px;
    background: linear-gradient(to bottom, #ffffff, #f8fbfa);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    align-items: center;
}

.hero-badge {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 6px 14px;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1px;
    color: #0b3b3a;
    margin-bottom: 16px;
}

.hero-slogan {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 24px;
    padding: 16px 20px;
    background: var(--primary-light);
    border-left: 6px solid var(--primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.hero-description {
    font-size: 18px;
    color: var(--dark-soft);
    margin: 30px 0;
    max-width: 600px;
}

.hero-illustration {
    background: #d4f0ec;
    border-radius: var(--radius-lg);
    padding: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary);
    font-size: 120px;
    aspect-ratio: 1 / 1;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #0b3b3a;
}

.section-subtitle {
    color: var(--secondary);
    font-size: 18px;
    max-width: 700px;
    margin-bottom: 48px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--light-gray);
    transition: var(--transition);
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: #b8dad3;
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
    color: var(--dark);
}

.feature-card p {
    color: var(--dark-soft);
}

.purchase-block {
    background: #eef7f5;
    border-radius: var(--radius-lg);
    padding: 48px;
    margin-top: 60px;
}

.price-tag {
    font-size: 42px;
    font-weight: 800;
    color: #0b3b3a;
    line-height: 1.2;
}

.price-note {
    color: #4f6f74;
    font-size: 16px;
}

/* ===== СТРАНИЦА ПРИМЕРОВ РОБОТОВ ===== */
.page-header {
    text-align: center;
    margin: 48px 0 32px;
}

.robots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.robot-preview-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid #dee9e7;
    transition: var(--transition);
    cursor: pointer;
}

.robot-preview-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.robot-preview-image {
    background: #def0ec;
    border-radius: var(--radius-md);
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 72px;
    color: var(--primary);
    margin-bottom: 20px;
}

.robot-preview-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--dark);
}

.robot-preview-desc {
    color: #4a6e6a;
    margin-bottom: 20px;
    line-height: 1.5;
}

.robot-link {
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* ===== СТРАНИЦА ДЕТАЛЬНОГО ОПИСАНИЯ РОБОТА ===== */
.robot-detail-container {
    max-width: 1000px;
    margin: 40px auto;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-sm);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    color: var(--dark-soft);
    font-weight: 500;
}

.back-link:hover {
    color: var(--primary);
}

.robot-detail-header {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 32px;
}

.robot-detail-icon {
    font-size: 64px;
    background: var(--primary-light);
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.robot-detail-title h1 {
    font-size: 40px;
    margin-bottom: 8px;
    color: var(--dark);
}

.robot-detail-subtitle {
    font-size: 18px;
    color: var(--primary);
    font-weight: 500;
}

.connections-section {
    background: #f2f9f7;
    padding: 28px;
    border-radius: var(--radius-md);
    margin: 32px 0;
}

.connections-section h2,
.code-section h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 12px;
}

.code-block {
    background: #1e2f35;
    border-radius: var(--radius-md);
    padding: 24px;
    margin: 24px 0;
    position: relative;
}

.code-block pre {
    margin: 0;
    color: #e2f0e8;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    overflow-x: auto;
}

.code-actions {
    display: flex;
    gap: 16px;
    margin-top: 16px;
}

.btn-copy {
    background: #3d5a5c;
    border: none;
    color: white;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 14px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-copy:hover {
    background: var(--primary);
}

/* ===== СТРАНИЦА 3D-МОДЕЛЕЙ ===== */
.parts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.parts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 50px;
}

.part-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    text-align: center;
    border: 1px solid #e2eae8;
    transition: var(--transition);
}

.part-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.part-icon {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 16px;
}

.part-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--dark);
}

.part-filename {
    font-family: monospace;
    background: #f1f6f5;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    color: #4f6f74;
    margin: 16px 0;
    word-break: break-all;
}

.btn-download {
    background: #eaf4f1;
    color: var(--primary);
    padding: 12px 20px;
    border-radius: 40px;
    font-weight: 600;
    display: inline-block;
    width: 100%;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-download:hover {
    background: var(--primary);
    color: white;
}

.parts-note {
    background: #fff2d9;
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
}

/* ===== СТРАНИЦА ФОРУМА (ЗАГЛУШКА) ===== */
.forum-placeholder {
    background: #eef3f2;
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    text-align: center;
    margin: 50px 0;
}

.forum-icon {
    font-size: 64px;
    color: var(--primary);
    margin-bottom: 24px;
}

.forum-placeholder h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--dark);
}

.forum-placeholder p {
    font-size: 18px;
    color: #4f6f74;
    max-width: 600px;
    margin: 0 auto 24px;
}

.forum-stats {
    background: white;
    border-radius: var(--radius-md);
    padding: 24px;
    max-width: 500px;
    margin: 32px auto;
    border: 1px solid #bcd1cd;
}

.forum-link {
    background: var(--primary);
    color: white;
    padding: 14px 32px;
    border-radius: 40px;
    display: inline-block;
    font-weight: 600;
    margin-top: 16px;
}

.forum-link:hover {
    background: var(--primary-dark);
    color: white;
}

/* ===== МЕДИА-ЗАПРОСЫ ===== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 48px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-illustration {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .robot-detail-container {
        padding: 24px;
    }
    
    .robot-detail-header {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 36px;
    }
    
    .hero-slogan {
        font-size: 20px;
    }
    
    .section-title {
        font-size: 28px;
    }
}