/* Основные стили */
:root {
    --primary: #ff4757;
    --dark: #1a1a1a;
    --light: #f8f9fa;
    --gray: #6c757d;
    --bg-color: #0f0f0f;
    --card-bg: rgba(26, 26, 26, 0.9);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Segoe UI', sans-serif;
    background: var(--bg-color) url('../img/background.png') no-repeat center/cover fixed;
    color: var(--light);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* Анимации */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.animate-slide-in {
    animation: slideInUp 0.6s ease-out forwards;
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

/* Шапка */
.header {
    background: rgba(26, 26, 26, 0.95);
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 71, 87, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(15px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo img {
    height: 35px;
    filter: drop-shadow(0 2px 6px rgba(255, 71, 87, 0.3));
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.nav-links a {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    transition: var(--transition);
    position: relative;
}

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

.nav-links .active {
    color: var(--primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background: var(--primary);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.btn {
    display: inline-block;
    background: linear-gradient(45deg, var(--primary), #ff6b81);
    color: white;
    padding: 0.7rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(255, 71, 87, 0.3);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 71, 87, 0.4);
}

/* Основной контент */
.main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.page-title {
    text-align: center;
    margin-bottom: 1rem;
    font-size: 3rem;
    background: linear-gradient(45deg, #ff4757, #ff8e53);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: slideInUp 0.8s ease-out;
}

.page-description {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--gray);
    font-size: 1.1rem;
    animation: slideInUp 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

/* Табы */
.tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    animation: slideInUp 0.8s ease-out 0.4s forwards;
    opacity: 0;
}

.tab {
    padding: 0.8rem 1.5rem;
    background: rgba(51, 51, 51, 0.7);
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    border: 1px solid transparent;
    backdrop-filter: blur(10px);
}

.tab.active {
    background: linear-gradient(45deg, var(--primary), #ff6b81);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 71, 87, 0.4);
    border-color: rgba(255, 255, 255, 0.2);
}

.tab:hover:not(.active) {
    transform: translateY(-2px);
    background: rgba(68, 68, 68, 0.8);
    border-color: var(--primary);
}

/* Контент доната */
.donate-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    animation: slideInUp 0.8s ease-out 0.6s forwards;
    opacity: 0;
}

@media (min-width: 768px) {
    .donate-content {
        grid-template-columns: 1fr 2fr;
    }
}

/* Список привилегий */
.privileges-list {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 1.5rem;
    max-height: 70vh;
    overflow-y: auto;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.privileges-list h2 {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--primary);
}

.privilege-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    margin-bottom: 0.8rem;
    border-radius: 12px;
    cursor: pointer;
    background: rgba(51, 51, 51, 0.5);
    transition: var(--transition);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.privilege-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.privilege-item:hover::before {
    left: 100%;
}

.privilege-item.active {
    background: linear-gradient(135deg, var(--primary), #ff6b81);
    color: white;
    transform: translateX(10px);
    box-shadow: 0 5px 20px rgba(255, 71, 87, 0.4);
    border-color: rgba(255, 255, 255, 0.2);
}

.privilege-item:hover:not(.active) {
    transform: translateX(5px);
    border-color: var(--primary);
}

.privilege-icon {
    width: 35px;
    height: 35px;
    margin-right: 1rem;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
    transition: var(--transition);
}

.privilege-item.active .privilege-icon,
.privilege-item:hover .privilege-icon {
    transform: scale(1.1) rotate(5deg);
}

.privilege-info {
    flex-grow: 1;
}

.privilege-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.privilege-desc {
    font-size: 0.85rem;
    color: var(--gray);
}

.privilege-item.active .privilege-desc {
    color: rgba(255, 255, 255, 0.9);
}

.price {
    font-weight: 700;
    color: var(--primary);
    font-size: 1.1rem;
    text-shadow: 0 0 5px rgba(255, 71, 87, 0.5);
}

.privilege-item.active .price {
    color: white;
}

/* Упрощенное описание привилегий */
.privilege-details {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 1.5rem;
    max-height: 70vh;
    overflow-y: auto;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    -webkit-overflow-scrolling: touch;
}

.privilege-details h2 {
    font-size: 1.4rem;
    margin: 0 0 1.5rem 0;
    color: var(--primary);
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.commands-list {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
}

.commands-list li {
    padding: 0.8rem 0;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--light);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    position: relative;
    padding-left: 1.5rem;
}

.commands-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary);
    transition: var(--transition);
}

.commands-list li:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.commands-list li:hover::before {
    transform: translateX(3px);
}

.additional-info {
    padding: 0;
    font-size: 0.9rem;
    line-height: 1.6;
}

.additional-info p {
    margin: 1rem 0;
    color: var(--light);
    padding: 0.8rem;
    background: rgba(51, 51, 51, 0.3);
    border-radius: 8px;
    border-left: 3px solid var(--primary);
    transition: var(--transition);
}

.additional-info p:hover {
    background: rgba(51, 51, 51, 0.5);
    transform: translateX(5px);
}

/* Футер */
.footer {
    background: rgba(26, 26, 26, 0.95);
    padding: 2rem 0;
    margin-top: 3rem;
    border-top: 1px solid rgba(255, 71, 87, 0.3);
    backdrop-filter: blur(10px);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1rem;
    width: 100%;
}

.footer-link {
    color: var(--gray);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
    position: relative;
    padding: 0.3rem 0;
}

.footer-link:hover {
    color: var(--primary);
}

.footer-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: 0;
    left: 0;
    background: var(--primary);
    transition: var(--transition);
}

.footer-link:hover::after {
    width: 100%;
}

.copyright {
    text-align: center;
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Стилизация скроллбара под красный дизайн */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(26, 26, 26, 0.5);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #ff6b81;
}

/* Для Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--primary) rgba(26, 26, 26, 0.5);
}

/* Адаптация */
@media (max-width: 768px) {
    .donate-content {
        grid-template-columns: 1fr;
    }
    
    .privileges-list, .privilege-details {
        max-height: 50vh;
    }
    
    .page-title {
        font-size: 2.2rem;
    }
    
    .nav-container {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .nav-links {
        margin-top: 1rem;
    }
    
    .tabs {
        gap: 0.5rem;
    }
    
    .tab {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .privilege-item {
        padding: 0.8rem;
    }
    
    .privilege-name {
        font-size: 1rem;
    }
    
    .privilege-desc {
        font-size: 0.8rem;
    }
    
    .price {
        font-size: 1rem;
    }
}