/* static/css/landing.css */

:root {
    --bg-core: #020204;
    --bg-card: #0f1116;
    --bg-input: #000000;
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.6);
    --accent: #ec4899;
    --text-main: #ffffff;
    --text-muted: #cbd5e1;
    --border: rgba(255, 255, 255, 0.15);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-core);
    color: var(--text-main) !important;
    overflow-x: hidden;
    line-height: 1.8;
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(236, 72, 153, 0.08) 0%, transparent 40%);
}

h1, h2, h3, h4, h5, h6 {
    color: #ffffff !important;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    letter-spacing: -0.5px;
}
p, span, div, li, td, th, label, small { color: var(--text-main); }
.text-muted { color: var(--text-muted) !important; }
.text-gray { color: var(--text-muted) !important; }
.small { font-size: 0.85rem; }

.text-gradient-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#snow-container {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    pointer-events: none; z-index: 0;
}
.snowflake {
    position: absolute; background: white; border-radius: 50%;
    opacity: 0.8; animation: fall linear infinite;
}

@keyframes fall { to { transform: translateY(105vh); } }

#geometry-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* --- КАРТОЧКИ --- */
.angel-card, .feature-box {
    background: rgba(15, 17, 22, 0.95);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 30px;
    transition: 0.3s;
    height: 100%;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.angel-card:hover, .feature-box:hover {
    border-color: var(--primary);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.15);
    transform: translateY(-5px);
}

/* --- КНОПКИ --- */
.btn-angel, .btn-glow {
    background: linear-gradient(135deg, var(--primary), #4f46e5);
    color: white !important;
    border: none;
    padding: 14px 30px;
    border-radius: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px var(--primary-glow);
    transition: 0.3s;
}
.btn-angel:hover, .btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--primary-glow);
    filter: brightness(1.2);
}
.btn-outline-angel, .btn-outline-light {
    border: 1px solid var(--border);
    color: var(--text-main) !important;
    border-radius: 50px;
    background: transparent;
    transition: 0.3s;
}
.btn-outline-angel:hover, .btn-outline-light:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
    color: white !important;
}

/* --- НАВИГАЦИЯ --- */
.navbar {
    background: rgba(0, 0, 0, 0.9);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
    backdrop-filter: blur(10px);
}
.nav-link { color: var(--text-muted) !important; font-weight: 600; font-size: 0.9rem; transition: 0.3s; margin-left: 20px; }
.nav-link:hover { color: white !important; text-shadow: 0 0 10px white; }

/* --- ЛОГОТИП (Базовые стили для ПК) --- */
.logo-circle {
    width: 42px; height: 42px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    background: var(--primary);
    border-radius: 50%;
}
/* Исправленные размеры для ПК (как на сайте конкурса) */
.logo-title { font-size: 1.1rem; letter-spacing: 1px; }
.logo-subtitle { font-size: 0.6rem; letter-spacing: 3px; margin-top: 3px; }


.hero { 
    position: relative; 
    padding: 100px 0;
    overflow: hidden; 
}
.hero-bg-glow {
    position: absolute; top: -20%; right: -10%;
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    border-radius: 50%; z-index: -1;
    max-width: 100%;
}

.comparison-item {
    padding: 20px;
    border-radius: 16px;
    margin-bottom: 15px;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
}
.comp-bad { border-color: rgba(239, 68, 68, 0.3); background: rgba(239, 68, 68, 0.05); }
.comp-good { border-color: var(--primary); background: rgba(99, 102, 241, 0.05); }

.section-tag {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 15px;
    display: block;
}

body.lang-ru [data-lang]:not([data-lang="ru"]) { display: none !important; }
body.lang-kk [data-lang]:not([data-lang="kk"]) { display: none !important; }
body.lang-en [data-lang]:not([data-lang="en"]) { display: none !important; }

.lang-btn { cursor: pointer; font-weight: bold; opacity: 0.5; transition: 0.2s; margin: 0 5px; color: var(--text-muted); }
.lang-btn.active { opacity: 1; color: var(--primary); text-shadow: 0 0 10px var(--primary); }

.fade-in-up { animation: fadeInUp 0.6s ease-out forwards; opacity: 0; transform: translateY(20px); }
@keyframes fadeInUp { to { opacity: 1; transform: translateY(0); } }

.typing-animation::after { content: '|'; animation: blink 1s infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* --- МОБИЛЬНАЯ АДАПТАЦИЯ --- */
@media (max-width: 991px) {
    .navbar { padding: 10px 0 !important; }
    
    .navbar-collapse {
        background: rgba(10, 10, 10, 0.98);
        border: 1px solid var(--border);
        border-radius: 15px;
        padding: 20px;
        margin-top: 15px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.8);
    }
    .navbar-nav .nav-link { margin-left: 0; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
    
    .btn-angel, .btn-outline-angel, .btn-glow { width: 100%; display: block; margin-bottom: 10px; }
    .d-flex.gap-3 { flex-direction: column; gap: 10px !important; }
    
    /* Адаптация логотипа для мобильных */
    .logo-circle { width: 36px !important; height: 36px !important; }
    .logo-title { font-size: 1rem !important; }
    .logo-subtitle { font-size: 0.5rem !important; margin-top: 1px !important; letter-spacing: 2px !important; }
    
    .hero { padding: 80px 0 40px !important; min-height: auto !important; }
    .angel-card, .feature-box { margin-bottom: 15px; padding: 20px !important; }
    
    /* Картинка и бейдж */
    .hero-img-3d {
        width: 90% !important;
        transform: none !important;
        margin-bottom: 40px;
        margin-top: 20px;
    }
    
    .status-badge {
        position: relative !important;
        bottom: auto !important;
        left: auto !important;
        margin: -20px auto 20px auto !important;
        width: auto !important;
        display: inline-block;
        border-color: var(--primary) !important;
        background: #000 !important;
    }
    
    h1, .display-3, .display-4 { font-size: 2rem !important; line-height: 1.2 !important; }
    h2 { font-size: 1.5rem !important; }
    .lead { font-size: 1rem !important; }
    
    .terminal-window { min-height: auto !important; }
}