:root {
    --bg-main: #e6f0ff;
    --bg-panel: #ffffff;
    --text-main: #002244;
    --accent: #0055ff;
    --accent-glow: rgba(0, 85, 255, 0.5);
    --border: #b3d1ff;
    --grid-color: rgba(0, 85, 255, 0.1);
}

[data-theme="dark"] {
    --bg-main: #000a14;
    --bg-panel: #00152b;
    --text-main: #cce0ff;
    --accent: #3388ff;
    --accent-glow: rgba(51, 136, 255, 0.5);
    --border: #003366;
    --grid-color: rgba(51, 136, 255, 0.1);
}

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

body { 
    font-family: 'Courier New', Courier, monospace; 
    background-color: var(--bg-main); 
    color: var(--text-main); 
    transition: background-color 0.3s, color 0.3s; 
    overflow-x: hidden; 
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.viewport { flex: 1; }

/* Техно фон */
.tech-grid-bg {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: -1;
    background-image: 
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: gridMove 20s linear infinite;
    opacity: 0.5;
    pointer-events: none;
}
@keyframes gridMove { 0% { transform: translateY(0); } 100% { transform: translateY(30px); } }

/* Шапка */
.top-bar { display: flex; justify-content: space-between; align-items: center; padding: 1rem 2rem; background: var(--bg-panel); border-bottom: 2px solid var(--accent); box-shadow: 0 0 15px var(--accent-glow); position: sticky; top: 0; z-index: 1000; }
.brand { font-size: 1.8rem; font-weight: bold; color: var(--accent); letter-spacing: 3px; text-shadow: 0 0 5px var(--accent-glow); z-index: 1001;}

.nav-wrapper { display: flex; align-items: center; gap: 2rem; }
.nav-menu { display: flex; gap: 1rem; }
.nav-menu a { color: var(--text-main); text-decoration: none; padding: 0.5rem 1rem; border: 1px solid transparent; transition: 0.2s; font-weight: bold; }
.nav-menu a:hover, .nav-menu a.active { border-color: var(--accent); background: rgba(0, 85, 255, 0.1); color: var(--accent); box-shadow: inset 0 0 10px var(--accent-glow); }

/* Мобильное меню (Гамбургер) */
.mobile-toggle { display: none; flex-direction: column; gap: 6px; cursor: pointer; z-index: 1001; }
.mobile-toggle span { width: 30px; height: 3px; background-color: var(--accent); transition: 0.3s; box-shadow: 0 0 5px var(--accent-glow);}

/* Тумблер темы */
.theme-switch { position: relative; width: 50px; height: 24px; }
.theme-switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: var(--border); transition: .4s; border-radius: 34px; border: 1px solid var(--accent); }
.slider:before { position: absolute; content: ""; height: 16px; width: 16px; left: 3px; bottom: 3px; background-color: var(--accent); transition: .4s; border-radius: 50%; box-shadow: 0 0 5px var(--accent-glow); }
input:checked + .slider { background-color: var(--bg-panel); }
input:checked + .slider:before { transform: translateX(26px); }

/* Контейнеры Лендинга */
.viewport { padding: 0 5%; }
.scroll-section { min-height: 80vh; display: flex; flex-direction: column; justify-content: center; padding: 4rem 0; border-bottom: 1px dashed var(--border); }
.scroll-section:last-child { border-bottom: none; }
.container { max-width: 1200px; margin: 0 auto; width: 100%; }
.section-title { font-size: 2rem; color: var(--accent); margin-bottom: 2rem; border-bottom: 2px dashed var(--accent); padding-bottom: 0.5rem; display: inline-block; }

/* Главная (Hero) */
.hero-container { display: flex; justify-content: center; align-items: center; width: 100%; }
.hero-box { background: var(--bg-panel); padding: 3rem; border: 2px solid var(--accent); box-shadow: 0 0 20px var(--accent-glow); max-width: 800px; width: 100%; position: relative; }
.status-badge { position: absolute; top: -15px; left: 20px; background: var(--accent); color: var(--bg-main); padding: 5px 15px; font-weight: bold; border: 1px solid var(--accent); box-shadow: 0 0 10px var(--accent-glow); }
.hero-box h1 { font-size: 3rem; margin-bottom: 2rem; line-height: 1.2; }
.accent-text { color: var(--accent); text-shadow: 0 0 8px var(--accent-glow); }
.console-text { font-size: 1.2rem; margin-bottom: 1rem; opacity: 0.9; }
.hero-actions { margin-top: 3rem; display: flex; gap: 1rem; flex-wrap: wrap; }

/* Кнопки */
.tech-btn { display: inline-block; text-decoration: none; text-align: center; background: transparent; border: 1px solid var(--accent); color: var(--accent); padding: 1rem 2rem; font-family: inherit; font-size: 1rem; font-weight: bold; cursor: pointer; transition: 0.2s; text-transform: uppercase; }
.tech-btn:hover { background: var(--accent); color: var(--bg-panel); box-shadow: 0 0 15px var(--accent-glow); }
.tech-btn.primary { background: rgba(0, 85, 255, 0.1); border-width: 2px; }
.tech-btn.small { padding: 0.5rem 1rem; font-size: 0.9rem; }
.w-100 { width: 100%; }

/* Галерея (Гексагоны) */
.hex-grid { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: center; padding: 2rem 0; }
.hex-item { width: 200px; text-align: center; }
.hex-inner { width: 200px; height: 230px; background: var(--bg-panel); border: 2px solid var(--accent); clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%); transition: 0.3s; display: flex; align-items: center; justify-content: center; cursor: pointer; padding: 1rem; font-weight:bold; }
.hex-inner:hover { transform: scale(1.05); background: var(--accent); color: var(--bg-panel); box-shadow: 0 0 20px var(--accent-glow); }
.hex-label { margin-top: 1rem; font-weight: bold; color: var(--accent); }

/* Заглушки фото */
.img-placeholder { display: flex; align-items: center; justify-content: center; font-weight: bold; font-family: sans-serif; background: repeating-linear-gradient(45deg, transparent, transparent 10px, var(--grid-color) 10px, var(--grid-color) 20px); text-align: center;}

/* Каталог (Магазин) */
.store-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }
.store-card { background: var(--bg-panel); border: 1px solid var(--accent); transition: 0.3s; display: flex; flex-direction: column; }
.store-card:hover { box-shadow: 0 0 15px var(--accent-glow); transform: translateY(-5px); }
.card-img { height: 220px; border-bottom: 1px solid var(--accent); }
.card-body { padding: 1.5rem; text-align: center; flex: 1; display: flex; flex-direction: column; justify-content: space-between; }
.card-body h3 { font-size: 1.1rem; margin-bottom: 1rem; }
.card-price { font-size: 1.5rem; font-weight: bold; color: var(--accent); margin-bottom: 1.5rem; text-shadow: 0 0 5px var(--accent-glow); }

/* Калькулятор */
.calc-panel { background: var(--bg-panel); border: 1px solid var(--accent); padding: 3rem; max-width: 600px; margin: 0 auto; box-shadow: 0 0 15px inset var(--grid-color); }
.form-group { margin-bottom: 2rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: bold; color: var(--accent); }
.tech-input { width: 100%; padding: 1rem; background: var(--bg-main); border: 1px solid var(--border); color: var(--text-main); font-family: inherit; font-size: 1rem; }
.tech-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 10px var(--accent-glow); }
.result-box { margin-top: 2rem; padding: 1.5rem; background: rgba(0, 85, 255, 0.1); border: 1px dashed var(--accent); font-size: 1.2rem; text-align: center; }

/* Контакты */
.contact-container { display: flex; flex-direction: column; align-items: center; }
.contact-box { background: var(--bg-panel); padding: 3rem; border: 1px solid var(--accent); text-align: center; max-width: 700px; width: 100%; }

.tech-footer { text-align: center; padding: 2rem; border-top: 1px solid var(--accent); color: var(--accent); font-weight: bold; background: var(--bg-panel); }

/* Адаптив (Мобильные устройства) */
@media (max-width: 900px) {
    .hero-box h1 { font-size: 2.2rem; }
}

@media (max-width: 768px) {
    .mobile-toggle { display: flex; }
    
    .nav-wrapper {
        position: fixed; top: 75px; left: -100%; width: 100%; height: calc(100vh - 75px);
        background: var(--bg-panel); border-top: 2px solid var(--accent);
        flex-direction: column; justify-content: flex-start; padding-top: 2rem;
        transition: left 0.3s ease;
    }
    .nav-wrapper.open { left: 0; }
    
    .nav-menu { flex-direction: column; width: 100%; text-align: center; margin-bottom: 2rem; gap: 0; }
    .nav-menu a { font-size: 1.2rem; padding: 1.5rem; border-bottom: 1px dashed var(--border); border-left: none; border-right: none; border-top: none; }
    .nav-menu a:hover, .nav-menu a.active { border-color: var(--accent); }
    
    .scroll-section { padding: 3rem 0; min-height: auto; }
    .hero-box { padding: 2rem 1.5rem; }
    .hero-actions { flex-direction: column; }
    
    .calc-panel { padding: 1.5rem; }
    .contact-box { padding: 1.5rem; }
}