/* ============================================
   CSS VARIABLES — 5 THEMES
   ============================================ */

:root {
    /* Cyberpunk (default) */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent-primary: #a855f7;
    --accent-secondary: #14b8a6;
    --border-color: #2a2a3a;
    --card-bg: rgba(18, 18, 26, 0.8);
    --shadow: 0 0 20px rgba(168, 85, 247, 0.3);
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

[data-theme="glassmorphism"] {
    --bg-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-secondary: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --accent-primary: #ffffff;
    --accent-secondary: #fbbf24;
    --border-color: rgba(255, 255, 255, 0.2);
    --card-bg: rgba(255, 255, 255, 0.15);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

[data-theme="minimalism"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --accent-primary: #000000;
    --accent-secondary: #666666;
    --border-color: #e5e5e5;
    --card-bg: #ffffff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

[data-theme="brutalism"] {
    --bg-primary: #ffffff;
    --bg-secondary: #000000;
    --text-primary: #000000;
    --text-secondary: #333333;
    --accent-primary: #000000;
    --accent-secondary: #ff0000;
    --border-color: #000000;
    --card-bg: #ffffff;
    --shadow: 4px 4px 0px #000000;
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

[data-theme="retro"] {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --text-primary: #22c55e;
    --text-secondary: #16a34a;
    --accent-primary: #22c55e;
    --accent-secondary: #16a34a;
    --border-color: #22c55e;
    --card-bg: #0f0f0f;
    --shadow: 0 0 10px rgba(34, 197, 94, 0.5);
    --font-main: 'JetBrains Mono', monospace;
    --font-mono: 'JetBrains Mono', monospace;
}

/* ============================================
   BASE STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background 0.3s ease, color 0.3s ease;
}

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

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-secondary);
}

/* ============================================
   HEADER
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    z-index: 1000;
    transition: background 0.3s ease, border-color 0.3s ease;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent-primary);
}

.nav {
    display: flex;
    gap: 30px;
}

.nav a {
    color: var(--text-primary);
    font-weight: 600;
}

.nav a:hover {
    color: var(--accent-primary);
}

/* ============================================
   HERO
   ============================================ */

.hero {
    padding: 150px 0 100px;
    text-align: center;
    background: var(--bg-secondary);
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #ffffff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* ============================================
   SECTIONS
   ============================================ */

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: var(--accent-primary);
}

.section-description {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

section {
    padding: 80px 0;
}

/* ============================================
   SERVICES
   ============================================ */

.services {
    background: var(--bg-secondary);
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: var(--shadow);
}

.service-title {
    font-size: 1.75rem;
    margin-bottom: 15px;
    color: var(--accent-primary);
}

.service-price {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--accent-secondary);
}

.service-list {
    list-style: none;
    margin-bottom: 30px;
}

.service-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.service-list li:last-child {
    border-bottom: none;
}

.service-note {
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.service-note a {
    color: var(--accent-secondary);
}

/* ============================================
   ADVANTAGES
   ============================================ */

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.advantage-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.advantage-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--accent-primary);
}

.advantage-card p {
    color: var(--text-secondary);
}

/* ============================================
   TEMPLATES
   ============================================ */

.templates {
    background: var(--bg-secondary);
}

.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.template-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.template-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.template-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--accent-primary);
}

.template-card p {
    color: var(--text-secondary);
}

/* ============================================
   CONTACT
   ============================================ */

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 50px;
}

.contact-info {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
}

.contact-info p {
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.contact-form {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.form-success {
    color: var(--accent-secondary);
    margin-top: 15px;
    font-weight: 600;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
    text-align: center;
    color: var(--text-secondary);
}

/* ============================================
   THEME SWITCHER
   ============================================ */

.theme-switcher {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.theme-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.theme-menu {
    position: absolute;
    bottom: 70px;
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 10px;
    display: none;
    flex-direction: column;
    gap: 5px;
    min-width: 180px;
    box-shadow: var(--shadow);
}

.theme-menu.active {
    display: flex;
}

.theme-menu button {
    padding: 12px 20px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 0.95rem;
    cursor: pointer;
    border-radius: 8px;
    text-align: left;
    transition: background 0.3s ease;
}

.theme-menu button:hover {
    background: var(--bg-secondary);
    color: var(--accent-primary);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .nav {
        display: none;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .service-card {
        padding: 25px;
    }

    .section-title {
        font-size: 2rem;
    }

    .theme-switcher {
        bottom: 20px;
        right: 20px;
    }

    .theme-toggle {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}

/* Скрыть иконку Яндекс.Метрики */
#ym-informer,
.ym-informer,
[yandex-metrika],
[data-metrika] {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}