/* ========================================
   LIQUID GLASS EFFECTS FOR NIGRENUM
   ======================================== */

/* Основные переменные для Liquid Glass */
:root {
    --glass-bg: rgba(200, 168, 107, 0.08);
    --glass-border: rgba(200, 168, 107, 0.3);
    --glass-shadow: 0 12px 40px rgba(200, 168, 107, 0.15);
    --glass-blur: blur(16px);
    --glass-blur-strong: blur(24px);
}

/* ========================================
   LIQUID GLASS КОМПОНЕНТЫ
   ======================================== */

/* Жидкое стекло для карточек товаров */
.product-item.liquid-glass {
    background: linear-gradient(135deg, 
        rgba(200, 168, 107, 0.12) 0%, 
        rgba(176, 141, 87, 0.08) 50%, 
        rgba(139, 69, 19, 0.12) 100%) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
    border: 2px solid rgba(200, 168, 107, 0.4) !important;
    border-radius: 20px !important;
    box-shadow: 
        0 8px 32px rgba(200, 168, 107, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        inset 0 -1px 0 rgba(0, 0, 0, 0.1) !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    position: relative;
    overflow: visible !important;
}

.product-item.liquid-glass::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, 
        rgba(200, 168, 107, 0.3) 0%, 
        rgba(176, 141, 87, 0.2) 50%, 
        rgba(139, 69, 19, 0.3) 100%);
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
    filter: blur(12px);
}

.product-item.liquid-glass:hover {
    transform: translateY(-12px) scale(1.02) !important;
    box-shadow: 
        0 24px 60px rgba(200, 168, 107, 0.4),
        0 12px 30px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2),
        inset 0 -1px 0 rgba(0, 0, 0, 0.2) !important;
    border-color: rgba(200, 168, 107, 0.7) !important;
}

.product-item.liquid-glass:hover::before {
    opacity: 1;
}

/* Жидкое стекло для навигации */
.header.liquid-glass {
    background: linear-gradient(180deg, 
        rgba(11, 11, 12, 0.95) 0%, 
        rgba(11, 11, 12, 0.85) 100%) !important;
    backdrop-filter: blur(24px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(24px) saturate(180%) !important;
    border-bottom: 2px solid rgba(200, 168, 107, 0.5) !important;
    box-shadow: 
        0 4px 30px rgba(200, 168, 107, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.05) !important;
}

/* Жидкое стекло для кнопок */
.button.liquid-glass {
    background: linear-gradient(135deg, 
        rgba(200, 168, 107, 0.15) 0%, 
        rgba(176, 141, 87, 0.12) 100%) !important;
    backdrop-filter: blur(16px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(16px) saturate(180%) !important;
    border: 2px solid rgba(200, 168, 107, 0.5) !important;
    color: #E8E8E8 !important;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 4px 20px rgba(200, 168, 107, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1) !important;
}

.button.liquid-glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent);
    transition: left 0.6s ease;
    z-index: 1;
}

.button.liquid-glass:hover::before {
    left: 100%;
}

.button.liquid-glass:hover {
    background: linear-gradient(135deg, 
        rgba(200, 168, 107, 0.25) 0%, 
        rgba(176, 141, 87, 0.2) 100%) !important;
    border-color: rgba(200, 168, 107, 0.8) !important;
    transform: translateY(-4px) scale(1.02) !important;
    box-shadow: 
        0 12px 40px rgba(200, 168, 107, 0.5),
        0 6px 20px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
}

/* Жидкое стекло для форм */
.contact-form.liquid-glass {
    background: linear-gradient(135deg, 
        rgba(200, 168, 107, 0.08) 0%, 
        rgba(176, 141, 87, 0.05) 100%) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
    border: 2px solid rgba(200, 168, 107, 0.3) !important;
    border-radius: 20px !important;
    padding: 40px !important;
    box-shadow: 
        0 8px 32px rgba(200, 168, 107, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.05) !important;
}

.glass-light.glass-border,
input.glass-light.glass-border,
textarea.glass-light.glass-border,
select.glass-light.glass-border {
    background: rgba(200, 168, 107, 0.08) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border: 2px solid rgba(200, 168, 107, 0.4) !important;
    color: #E8E8E8 !important;
    transition: all 0.3s ease !important;
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.05) !important;
}

.glass-light.glass-border:focus,
input.glass-light.glass-border:focus,
textarea.glass-light.glass-border:focus,
select.glass-light.glass-border:focus {
    background: rgba(200, 168, 107, 0.15) !important;
    border-color: rgba(200, 168, 107, 0.7) !important;
    box-shadow: 
        0 0 0 4px rgba(200, 168, 107, 0.2),
        0 4px 12px rgba(200, 168, 107, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1) !important;
    outline: none !important;
}

/* Жидкое стекло для модальных окон */
.modal.liquid-glass {
    background: rgba(11, 11, 12, 0.9);
    backdrop-filter: var(--glass-blur-strong);
    -webkit-backdrop-filter: var(--glass-blur-strong);
}

.modal-content.liquid-glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
}

/* Жидкое стекло для карточек в секциях */
.feature-card.liquid-glass,
.advantage-card.liquid-glass,
.review-card.liquid-glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s ease;
}

.feature-card.liquid-glass:hover,
.advantage-card.liquid-glass:hover,
.review-card.liquid-glass:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
    border-color: rgba(200, 168, 107, 0.3);
}

/* ========================================
   LIQUID GLASS АНИМАЦИИ
   ======================================== */

/* Плавающая анимация */
@keyframes float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg); 
    }
    25% { 
        transform: translateY(-8px) rotate(0.5deg); 
    }
    50% { 
        transform: translateY(-12px) rotate(0deg); 
    }
    75% { 
        transform: translateY(-8px) rotate(-0.5deg); 
    }
}

.liquid-glass.float {
    animation: float 6s ease-in-out infinite;
}

/* Пульсация */
@keyframes pulse {
    0%, 100% { 
        box-shadow: 
            0 8px 32px rgba(200, 168, 107, 0.2),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
    }
    50% { 
        box-shadow: 
            0 8px 32px rgba(200, 168, 107, 0.4),
            inset 0 1px 0 rgba(255, 255, 255, 0.2);
    }
}

.liquid-glass.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Свечение */
@keyframes glow {
    0%, 100% { 
        box-shadow: 
            0 4px 20px rgba(200, 168, 107, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
        border-color: rgba(200, 168, 107, 0.5);
    }
    50% { 
        box-shadow: 
            0 8px 40px rgba(200, 168, 107, 0.6),
            0 4px 20px rgba(200, 168, 107, 0.4),
            inset 0 1px 0 rgba(255, 255, 255, 0.2);
        border-color: rgba(200, 168, 107, 0.8);
    }
}

.liquid-glass.glow {
    animation: glow 2s ease-in-out infinite;
}

/* ========================================
   LIQUID GLASS УТИЛИТЫ
   ======================================== */

/* Классы для быстрого применения */
.glass-light { 
    background: rgba(200, 168, 107, 0.1) !important;
    backdrop-filter: blur(12px) saturate(150%) !important;
    -webkit-backdrop-filter: blur(12px) saturate(150%) !important;
}

.glass-medium { 
    background: rgba(200, 168, 107, 0.08) !important;
    backdrop-filter: blur(16px) saturate(160%) !important;
    -webkit-backdrop-filter: blur(16px) saturate(160%) !important;
}

.glass-strong { 
    background: rgba(200, 168, 107, 0.05) !important;
    backdrop-filter: blur(24px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(24px) saturate(180%) !important;
}

.glass-border { 
    border: 2px solid rgba(200, 168, 107, 0.4) !important;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1) !important;
}

.glass-shadow { 
    box-shadow: 
        0 8px 32px rgba(200, 168, 107, 0.2),
        0 4px 16px rgba(0, 0, 0, 0.2) !important;
}

/* ========================================
   LIQUID GLASS АДАПТИВНОСТЬ
   ======================================== */

@media (max-width: 768px) {
    .liquid-glass {
        backdrop-filter: blur(12px) saturate(150%) !important;
        -webkit-backdrop-filter: blur(12px) saturate(150%) !important;
    }
    
    .product-item.liquid-glass {
        border: 2px solid rgba(200, 168, 107, 0.5) !important;
        box-shadow: 
            0 6px 24px rgba(200, 168, 107, 0.25),
            inset 0 1px 0 rgba(255, 255, 255, 0.1) !important;
    }
    
    .product-item.liquid-glass:active {
        transform: translateY(-6px) scale(0.98) !important;
        box-shadow: 
            0 12px 40px rgba(200, 168, 107, 0.4),
            inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
    }
    
    .button.liquid-glass {
        border: 2px solid rgba(200, 168, 107, 0.6) !important;
        box-shadow: 
            0 4px 16px rgba(200, 168, 107, 0.4),
            inset 0 1px 0 rgba(255, 255, 255, 0.1) !important;
    }
    
    .button.liquid-glass:active {
        transform: scale(0.95) !important;
        box-shadow: 
            0 8px 32px rgba(200, 168, 107, 0.6),
            inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .liquid-glass {
        transition: none;
        animation: none;
    }
    
    .liquid-glass:hover {
        transform: none;
    }
}

/* ========================================
   LIQUID GLASS ПОДДЕРЖКА БРАУЗЕРОВ
   ======================================== */

/* Fallback для браузеров без поддержки backdrop-filter */
@supports not (backdrop-filter: blur(10px)) {
    .liquid-glass {
        background: linear-gradient(135deg, 
            rgba(200, 168, 107, 0.2) 0%, 
            rgba(11, 11, 12, 0.9) 100%) !important;
    }
    
    .product-item.liquid-glass {
        background: linear-gradient(135deg, 
            rgba(200, 168, 107, 0.15) 0%, 
            rgba(11, 11, 12, 0.85) 100%) !important;
        border: 2px solid rgba(200, 168, 107, 0.5) !important;
    }
    
    .header.liquid-glass {
        background: rgba(11, 11, 12, 0.95) !important;
        border-bottom: 2px solid rgba(200, 168, 107, 0.6) !important;
    }
    
    .button.liquid-glass {
        background: linear-gradient(135deg, 
            rgba(200, 168, 107, 0.2) 0%, 
            rgba(176, 141, 87, 0.15) 100%) !important;
        border: 2px solid rgba(200, 168, 107, 0.6) !important;
    }
    
    .glass-light.glass-border {
        background: rgba(200, 168, 107, 0.12) !important;
        border: 2px solid rgba(200, 168, 107, 0.5) !important;
    }
}

/* ========================================
   LIQUID GLASS ПРИМЕРЫ ИСПОЛЬЗОВАНИЯ
   ======================================== */

/*
Примеры классов для применения:

1. Карточки товаров:
   <div class="product-item liquid-glass float">

2. Навигация:
   <header class="header liquid-glass">

3. Кнопки:
   <button class="button button-primary liquid-glass glow">

4. Формы:
   <div class="form-group liquid-glass">
     <input type="text" class="glass-light glass-border">

5. Модальные окна:
   <div class="modal liquid-glass">
     <div class="modal-content liquid-glass">

6. Карточки секций:
   <div class="feature-card liquid-glass pulse">
*/