/* style.css */

:root {
    --color-bg: #F0F4F8; /* Более мягкий голубовато-серый фон */
    --color-bg-card: #FFFFFF;
    --color-primary: #2E7D32; /* Классический зеленый */
    --color-primary-dark: #1B5E20;
    --color-accent: #FF8F00; /* Теплый янтарный */
    --color-text: #374151;
    --color-text-heading: #111827;
    --color-muted: #6B7280;
    --color-border: #D1D5DB;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --base-font-size: 18px; /* Крупный базовый шрифт для удобства */
    
    /* Новогодние цвета */
    --ny-red: #D32F2F;
    --ny-gold: #FFD700;
}

/* --- Базовые настройки --- */
*, *::before, *::after { box-sizing: border-box; }

html { font-size: var(--base-font-size); scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    transition: font-size 0.3s ease;
}

/* Режим крупного шрифта (Accessibility) */
html.large-font { --base-font-size: 24px; }

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

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

/* --- Верхняя панель --- */
.top-bar {
    background: var(--color-primary-dark);
    color: #fff;
    padding: 8px 0;
    font-size: 0.85rem;
}
.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.btn-small-outline {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.4);
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
}
.btn-small-outline:hover { background: rgba(255,255,255,0.25); }

/* --- Шапка и Навигация --- */
header {
    background: var(--color-bg-card);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 15px 0;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo-block {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: inherit;
}
.logo-mark {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
    color: #fff;
    font-size: 1.4rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    box-shadow: 0 4px 10px rgba(46, 125, 50, 0.3);
}
.logo-text-title { font-weight: 800; font-size: 1.2rem; color: var(--color-text-heading); }
.logo-text-subtitle { font-size: 0.8rem; color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.5px; }

/* Меню для десктопа */
.nav-menu {
    display: flex;
    gap: 8px;
    align-items: center;
}
.nav-link {
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: 500;
    color: var(--color-text-heading);
}
.nav-link:hover { background-color: #E8F5E9; color: var(--color-primary); }
.nav-link.active { background-color: var(--color-primary); color: #fff; }
.nav-link--primary { border: 2px solid var(--color-primary); color: var(--color-primary); }
.nav-link--primary:hover { background: var(--color-primary); color: #fff; }

/* Бургер кнопка (скрыта на ПК) */
.burger-btn { display: none; background: none; border: none; font-size: 1.8rem; cursor: pointer; color: var(--color-text-heading); }

/* --- Герой (Hero) --- */
.hero {
    padding: 60px 0;
    background: linear-gradient(to bottom, #FFFFFF, #F0F4F8);
    position: relative;
    overflow: hidden; /* Чтобы гирлянды не вызывали скролл */
}
.hero-inner {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
}
.hero-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-text-heading);
    margin: 0 0 15px 0;
    line-height: 1.2;
}
.hero-subtitle { font-size: 1.1rem; color: var(--color-muted); margin-bottom: 25px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(46, 125, 50, 0.4);
}
.btn-primary:hover { background: var(--color-primary-dark); box-shadow: 0 6px 15px rgba(46, 125, 50, 0.5); }
.btn-secondary {
    background: #fff;
    color: var(--color-text-heading);
    border: 2px solid #E5E7EB;
}
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* --- Карточки --- */
.section { padding: 40px 0; }
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}
.card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 25px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(0,0,0,0.03);
    display: flex;
    flex-direction: column;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}
.card-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 10px; color: var(--color-text-heading); }
.card-text { color: var(--color-muted); font-size: 0.95rem; margin-bottom: 20px; flex-grow: 1; }
.card-link { font-weight: 600; margin-top: auto; }

/* --- Форма входа (Login) --- */
.login-container {
    max-width: 450px;
    margin: 40px auto;
    background: #fff;
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}
.form-tabs {
    display: flex;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--color-bg);
}
.tab-btn {
    flex: 1;
    background: none;
    border: none;
    padding: 15px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-muted);
    cursor: pointer;
    position: relative;
}
.tab-btn.active { color: var(--color-primary); }
.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
}
.form-group { margin-bottom: 20px; }
.form-label { display: block; margin-bottom: 8px; font-weight: 500; font-size: 0.9rem; }
.form-input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--color-border);
    border-radius: 12px;
    font-size: 1rem;
    transition: border-color 0.2s;
}
.form-input:focus { outline: none; border-color: var(--color-primary); }
.form-hint { font-size: 0.8rem; color: var(--color-muted); margin-top: 5px; }

/* --- Футер --- */
footer { background: #fff; padding: 40px 0; margin-top: 60px; border-top: 1px solid var(--color-border); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 30px; }
.footer-links a { color: var(--color-muted); margin-right: 20px; font-size: 0.9rem; }
.footer-links a:hover { color: var(--color-primary); }

/* --- Адаптивность (Mobile) --- */
@media (max-width: 900px) {
    .burger-btn { display: block; }
    
    .nav-menu {
        position: fixed;
        top: 80px; /* Высота шапки */
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        transform: translateY(-150%);
        transition: transform 0.3s ease-in-out;
        gap: 15px;
        align-items: stretch;
        z-index: 90;
    }
    
    .nav-menu.active { transform: translateY(0); }
    .nav-link { text-align: center; border: 1px solid var(--color-bg); }
    
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-actions { justify-content: center; }
    
    /* Скрываем сложные декорации на мобильном, оставляем только гирлянду */
    .christmas-tree { display: none; } 
    .ornaments { transform: scale(0.6); top: -20px; }
}

/* --- Новогодний декор (Стили из вашего файла, немного адаптированные) --- */
body.newyear {
    background-image: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.8) 0%, rgba(240,244,248,0.5) 100%);
}
.garland {
    position: absolute; top: 0; left: 0; right: 0;
    display: flex; justify-content: center; gap: 30px; z-index: 5; pointer-events: none;
}
.bulb {
    width: 16px; height: 16px; border-radius: 50%;
    animation: glow 2s infinite alternate;
}
.bulb.red { background: var(--ny-red); box-shadow: 0 0 10px var(--ny-red); }
.bulb.gold { background: var(--ny-gold); box-shadow: 0 0 10px var(--ny-gold); }
.bulb.green { background: var(--color-primary); box-shadow: 0 0 10px var(--color-primary); }
.bulb:nth-child(2n) { animation-delay: 1s; }

@keyframes glow { from { opacity: 0.5; } to { opacity: 1; transform: scale(1.1); } }