/*
 Theme Name:     Hi-Tech Blog
 Theme URI:      https://yoursite.com
 Author:         AI Developer
 Description:    Современный Hi-Tech блог с чистым кодом
 Version:        1.0.0
 Text Domain:    hitech-blog
*/

/* ============================================
   Переменные
   ============================================ */
:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --accent: #06b6d4;
    --text-dark: #1e3a5f;
    --text-medium: #64748b;
    --text-light: #94a3b8;
    --bg-dark: #f0f7ff;
    --bg-white: #ffffff;
    --border: #dbeafe;
    --shadow: 0 2px 8px rgba(59, 130, 246, 0.08);
    --shadow-lg: 0 10px 25px rgba(59, 130, 246, 0.15);
}

/* ============================================
   Сброс и база
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-dark);
    color: var(--text-medium);
    line-height: 1.6;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

/* ============================================
   Header
   ============================================ */
.site-header {
    background: var(--bg-white);
    border-bottom: 2px solid var(--primary);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    max-width: 1400px;
    margin: 0 auto;
    gap: 20px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.logo-icon {
    width: 40px;
    height: 40px;
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-5px) rotate(5deg); }
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Главное меню */
.main-navigation {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-grow: 1;
    justify-content: center;
}

.primary-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 5px;
}

.primary-menu li {
    position: relative;
}

.primary-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--text-medium);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.primary-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.primary-menu a:hover {
    color: var(--primary);
    background: var(--bg-dark);
}

.primary-menu a:hover::before {
    width: 80%;
}

.primary-menu .current-menu-item a {
    color: #ffffff;
    background: var(--primary);
}

.primary-menu .current-menu-item a::before {
    display: none;
}

/* Выпадающее меню */
.primary-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-white);
    min-width: 200px;
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.15);
    border-radius: 8px;
    padding: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    list-style: none;
}

.primary-menu li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.primary-menu .sub-menu li {
    display: block;
}

.primary-menu .sub-menu a {
    padding: 10px 15px;
    border-radius: 6px;
}

.primary-menu .sub-menu a:hover {
    background: var(--bg-dark);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-shrink: 0;
}

.header-actions-mobile {
    display: none;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    width: 100%;
    justify-content: center;
    gap: 15px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    background: #f0fdf4;
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid #bbf7d0;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.status-text {
    color: #22c55e;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

.header-time {
    color: var(--text-medium);
    font-size: 0.85rem;
    font-family: 'Courier New', monospace;
    font-weight: 600;
    background: #f1f5f9;
    padding: 6px 12px;
    border-radius: 6px;
}

/* Header Social */
.header-social {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.social-link {
    width: 36px;
    height: 36px;
    background: var(--bg-dark);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary);
    color: #ffffff;
    transform: translateY(-2px);
}

/* Категории в header */
.header-categories {
    background: linear-gradient(90deg, rgba(240, 247, 255, 0.5), rgba(255, 255, 255, 0.8));
    border-top: 1px solid var(--border);
    padding: 12px 0;
}

.header-categories .container {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

.category-pill {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-white);
    color: var(--text-medium);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    text-decoration: none;
}

.category-pill:hover {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}

@media (max-width: 1200px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-actions {
        display: none;
    }
    
    .header-actions-mobile {
        display: flex;
    }
    
    .main-navigation {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-white);
        flex-direction: column;
        padding: 30px;
        transition: left 0.3s ease;
        overflow-y: auto;
    }
    
    .main-navigation.active {
        left: 0;
    }
    
    .primary-menu {
        flex-direction: column;
        width: 100%;
    }
    
    .primary-menu a {
        padding: 15px 20px;
        font-size: 1rem;
    }
    
    .header-social {
        display: none;
    }
}

/* ============================================
   Контент
   ============================================ */
.site-content {
    padding: 60px 0;
}

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

@media (max-width: 1024px) {
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .posts-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Карточка поста
   ============================================ */
.post-card {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.3);
    background: linear-gradient(135deg, rgba(240, 247, 255, 0.5), rgba(255, 255, 255, 0.9));
}

.post-thumbnail {
    margin: 0;
    padding: 0;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.post-card:hover .post-thumbnail img {
    transform: scale(1.08);
}

.post-content {
    padding: 10px 15px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.post-categories {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.category-link {
    background: var(--bg-dark);
    color: var(--primary);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.category-link:hover {
    background: var(--primary);
    color: #ffffff;
}

.post-date {
    color: var(--text-light);
    font-size: 0.7rem;
}

.post-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.4;
}

.post-title a {
    color: var(--text-dark);
}

.post-title a:hover {
    color: var(--primary);
}

.post-excerpt {
    color: var(--text-medium);
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 12px;
    flex-grow: 1;
}

.read-more {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.read-more:hover {
    color: var(--primary-dark);
    gap: 10px;
}

/* ============================================
   Пагинация
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-dark);
    font-weight: 600;
    transition: all 0.2s ease;
}

.pagination a:hover,
.pagination .current {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: var(--text-dark);
    color: var(--text-light);
    margin-top: 80px;
    width: 100%;
}

.footer-top {
    padding: 50px 0;
    width: 100%;
}

.footer-top .container {
    max-width: 1400px;
    padding: 0 30px;
}

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

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.footer-site-name {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary-light);
    text-transform: uppercase;
}

.footer-desc {
    color: var(--text-light);
    font-size: 0.85rem;
    line-height: 1.6;
}

.footer-status {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-light);
    font-size: 0.8rem;
    margin-top: 15px;
}

.footer-title {
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-light);
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 8px;
}

.subscribe-form {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.subscribe-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid #334155;
    border-radius: 6px;
    padding: 10px;
    color: #ffffff;
    font-size: 0.85rem;
}

.subscribe-input:focus {
    outline: none;
    border-color: var(--primary);
}

.subscribe-btn {
    background: var(--primary);
    border: none;
    border-radius: 6px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    cursor: pointer;
}

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

.footer-social {
    display: flex;
    gap: 10px;
}

.social-icon {
    width: 36px;
    height: 36px;
    background: #334155;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

.social-icon:hover {
    background: var(--primary);
    color: #ffffff;
}

.footer-bottom {
    background: #0f2744;
    padding: 20px 0;
    border-top: 1px solid #334155;
    width: 100%;
}

.footer-bottom .container {
    max-width: 1400px;
    padding: 0 30px;
}

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

@media (max-width: 768px) {
    .footer-bottom-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

.footer-copyright {
    color: var(--text-medium);
    font-size: 0.85rem;
}

.footer-motto {
    color: var(--primary);
    font-size: 0.75rem;
    font-style: italic;
    margin-top: 5px;
}

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

.footer-bottom-links a {
    color: var(--text-medium);
    font-size: 0.85rem;
}

.footer-bottom-links a:hover {
    color: var(--primary-light);
}

/* Частицы */
.footer-particles {
    position: relative;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 30%; animation-delay: 3s; }
.particle:nth-child(3) { left: 50%; animation-delay: 6s; }
.particle:nth-child(4) { left: 70%; animation-delay: 9s; }
.particle:nth-child(5) { left: 90%; animation-delay: 12s; }

@keyframes float {
    0%, 100% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% { opacity: 0.3; }
    90% { opacity: 0.3; }
    100% {
        transform: translateY(-100px) scale(1);
        opacity: 0;
    }
}

/* Кнопка наверх */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--primary);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}