/* ========================================
   ТЕМНАЯ ТЕМА С КРАСНЫМ ГРАДИЕНТОМ
   ======================================== */

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

body {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    background-color: #0a0a0a;
    color: #e0e0e0;
}

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

/* ========================================
   ШАПКА И НАВИГАЦИЯ
   ======================================== */

header {
    background-color: #111111;
    border-bottom: 1px solid #ff3333;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(255, 0, 0, 0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
}

.logo-code {
    background: linear-gradient(135deg, #ff3333 0%, #990000 100%);
    color: white;
    padding: 5px 10px;
    border-radius: 10px;
    font-family: 'Fira Code', monospace;
    font-size: 20px;
}

.logo-text {
    color: #ffffff;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    text-decoration: none;
    color: #cccccc;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #ff5555;
}

nav a.active {
    color: #ff3333;
    border-bottom: 2px solid #ff3333;
    padding-bottom: 5px;
}

/* ========================================
   ГЛАВНАЯ СТРАНИЦА (HERO + ADVANTAGES)
   ======================================== */

.hero {
    background: linear-gradient(135deg, #1a0000 0%, #330000 50%, #1a0000 100%);
    color: white;
    text-align: center;
    padding: 80px 20px;
    border-radius: 0 0 30px 30px;
    border-bottom: 2px solid #ff3333;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
}

.highlight {
    background: linear-gradient(135deg, #ff3333, #cc0000);
    padding: 5px 15px;
    border-radius: 30px;
    display: inline-block;
    color: white;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
    color: #dddddd;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #ff3333, #cc0000);
    color: white;
    border: 1px solid #ff6666;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 0, 0, 0.3);
    background: linear-gradient(135deg, #ff5555, #dd0000);
}

.advantages {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 50px;
    color: #ffffff;
}

.cards {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.card {
    background: #141414;
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    flex: 1;
    min-width: 250px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #2a2a2a;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(255, 0, 0, 0.15);
    border-color: #ff3333;
}

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

.card-title {
    font-size: 22px;
    margin-bottom: 15px;
    color: #ff5555;
}

.card-text {
    color: #b0b0b0;
}

.quote-section {
    background: #0d0d0d;
    padding: 60px 0;
    margin: 40px 0;
    border-top: 1px solid #ff3333;
    border-bottom: 1px solid #ff3333;
}

.quote-block {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.quote-text {
    font-size: 24px;
    font-style: italic;
    margin-bottom: 15px;
    color: #ffffff;
}

.quote-author {
    font-size: 16px;
    color: #ff8888;
}

/* ========================================
   ВНУТРЕННИЕ СТРАНИЦЫ (HTML, CSS, RESOURCES)
   ======================================== */

.page-header {
    text-align: center;
    padding: 50px 0 30px;
}

.page-header h1 {
    font-size: 42px;
    margin-bottom: 15px;
    color: #ffffff;
}

.page-subtitle {
    font-size: 18px;
    color: #aaaaaa;
}

.content-section {
    margin-bottom: 50px;
    padding: 20px 0;
}

.content-section h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #ff5555;
    border-left: 4px solid #ff3333;
    padding-left: 15px;
}

.content-section p {
    margin-bottom: 15px;
    color: #cccccc;
}

/* Блоки с кодом */
.code-block {
    background: #0a0a0a;
    border-radius: 15px;
    padding: 20px;
    margin: 20px 0;
    overflow-x: auto;
    border: 1px solid #2a2a2a;
}

.code-block pre {
    margin: 0;
}

.code-block code {
    font-family: 'Fira Code', monospace;
    font-size: 14px;
    color: #ff9999;
    line-height: 1.5;
}

/* Информационные блоки */
.info-box, .tip-box {
    background: #1a1a1a;
    border-left: 4px solid #ff3333;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
}

.info-box {
    background: #1a0a0a;
}

.tip-box {
    background: #1a1000;
    border-left-color: #ffaa00;
    color: #ffcc88;
}

.tip-box code {
    color: #ffaa00;
}

/* Таблицы */
.table-wrapper {
    overflow-x: auto;
    margin: 20px 0;
}

.tag-table {
    width: 100%;
    border-collapse: collapse;
    background: #111111;
    border-radius: 15px;
    overflow: hidden;
}

.tag-table th,
.tag-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #2a2a2a;
}

.tag-table th {
    background: linear-gradient(135deg, #990000, #550000);
    color: white;
    font-weight: 600;
}

.tag-table tr:hover {
    background: #1a1a1a;
}

.tag-table code {
    background: #2a2a2a;
    padding: 3px 8px;
    border-radius: 5px;
    font-family: 'Fira Code', monospace;
    font-size: 13px;
    color: #ff8888;
}

.table-section td {
    background: #1a1a1a;
    color: #ff8888;
}

/* Методы подключения CSS (сетка) */
.methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin: 25px 0;
}

.method-card {
    background: #141414;
    padding: 20px;
    border-radius: 15px;
    transition: transform 0.3s ease;
    border: 1px solid #2a2a2a;
}

.method-card:hover {
    transform: translateY(-5px);
    border-color: #ff3333;
}

.method-card h3 {
    margin-bottom: 10px;
    color: #ff5555;
}

.mini-code {
    background: #0a0a0a;
    color: #ff9999;
    padding: 10px;
    border-radius: 8px;
    font-family: 'Fira Code', monospace;
    font-size: 12px;
    margin: 10px 0;
    overflow-x: auto;
    border: 1px solid #2a2a2a;
}

.method-note {
    font-size: 14px;
    margin-top: 10px;
    color: #aaaaaa;
}

/* Пример ДО и ПОСЛЕ CSS */
.example-before-after {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    margin: 25px 0;
}

.example-card {
    flex: 1;
    min-width: 250px;
    background: #141414;
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid #2a2a2a;
}

.no-css-demo {
    background: #0a0a0a;
    padding: 20px;
    margin: 15px 0;
    border: 1px solid #333333;
    color: #cccccc;
}

.no-css-demo button {
    background: #333333;
    border: none;
    padding: 8px 16px;
    cursor: pointer;
    color: white;
}

.with-css-demo {
    background: linear-gradient(135deg, #2a0a0a, #1a0505);
    padding: 20px;
    margin: 15px 0;
    border-radius: 15px;
    border: 1px solid #ff3333;
}

.demo-btn {
    background: linear-gradient(135deg, #ff3333, #990000);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.demo-btn:hover {
    transform: scale(1.05);
    background: linear-gradient(135deg, #ff5555, #bb0000);
}

.example-note {
    font-size: 14px;
    color: #888888;
    margin-top: 10px;
}

/* Сетка ресурсов */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin: 25px 0;
}

.resource-card {
    background: #141414;
    padding: 25px;
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid #2a2a2a;
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(255, 0, 0, 0.1);
    border-color: #ff3333;
}

.resource-card h3 {
    margin-bottom: 10px;
    color: #ff5555;
}

.resource-card p {
    margin-bottom: 15px;
    color: #b0b0b0;
}

.resource-link {
    display: inline-block;
    color: #ff5555;
    text-decoration: none;
    font-weight: 600;
}

.resource-link:hover {
    color: #ff8888;
    text-decoration: underline;
}

/* ========================================
   ПОДВАЛ
   ======================================== */

footer {
    background: #050505;
    color: #888888;
    text-align: center;
    padding: 30px 0;
    margin-top: 60px;
    border-top: 1px solid #ff3333;
}

footer p {
    margin: 5px 0;
    font-size: 14px;
}

/* ========================================
   АДАПТИВНОСТЬ (МЕДИА-ЗАПРОСЫ)
   ======================================== */

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    nav ul {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .cards {
        flex-direction: column;
    }
    
    .page-header h1 {
        font-size: 32px;
    }
    
    .content-section h2 {
        font-size: 24px;
    }
    
    .example-before-after {
        flex-direction: column;
    }
    
    .tag-table th,
    .tag-table td {
        padding: 8px 10px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .card {
        padding: 20px;
    }
    
    .code-block code {
        font-size: 12px;
    }
}