/* css/components.css */

/* ---------- HERO БЛОК (с анимацией) ---------- */
.hero {
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.1) 0%, transparent 60%);
    animation: pulseGlow 8s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.2);
    padding: 6px 20px;
    border-radius: 40px;
    font-size: 0.85rem;
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: 4.2rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeUp 0.8s ease;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 32px;
    animation: fadeUp 1s ease;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeUp 1.2s ease;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- ЗАГОЛОВКИ СЕКЦИЙ ---------- */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 48px;
}

/* ---------- СЕТКА КАРТОЧЕК (ДЛЯ ПРЕИМУЩЕСТВ) ---------- */
.features-section {
    padding: 40px 0 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 20px;
}

.feature-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

/* Градиентная линия сверху при наведении */
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-main);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.12);
}

.feature-card:hover::before {
    opacity: 1;
}

/* Иконка в карточке преимущества */
.feature-icon {
    font-size: 2.8rem;
    margin-bottom: 16px;
    display: block;
    background: rgba(99, 102, 241, 0.1);
    width: 72px;
    height: 72px;
    line-height: 72px;
    border-radius: 50%;
    margin-left: auto;
    margin-right: auto;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: rgba(99, 102, 241, 0.2);
    transform: scale(1.05);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.feature-tag {
    display: inline-block;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.15);
    padding: 4px 16px;
    border-radius: 40px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-primary);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* ---------- СТАРЫЕ КАРТОЧКИ (vpn-card) — ДЛЯ СОВМЕСТИМОСТИ ---------- */
/* Используй их если хочешь, но я рекомендую feature-card */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    padding: 20px 0 40px;
}

.vpn-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 32px 28px;
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.vpn-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-main);
    opacity: 0;
    transition: var(--transition);
}

.vpn-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.15);
}

.vpn-card:hover::before {
    opacity: 1;
}

.vpn-card .icon {
    font-size: 3rem;
    margin-bottom: 16px;
    display: block;
}

.vpn-card h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.vpn-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ---------- КАРТОЧКИ ТАРИФОВ ---------- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    padding: 20px 0 40px;
}

.pricing-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.pricing-card.popular {
    border-color: var(--accent-primary);
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.15);
    transform: scale(1.02);
}

.pricing-card.popular::before {
    content: '🔥 ПОПУЛЯРНЫЙ';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-main);
    padding: 4px 20px;
    border-radius: 40px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: white;
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.12);
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 800;
    margin: 16px 0;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-card .price span {
    font-size: 1rem;
    -webkit-text-fill-color: var(--text-secondary);
}

.pricing-card ul {
    list-style: none;
    margin: 24px 0;
    text-align: left;
}

.pricing-card ul li {
    padding: 8px 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-card ul li::before {
    content: '✓';
    color: var(--accent-primary);
    font-weight: 700;
    font-size: 1.2rem;
}

/* ---------- КОНТАКТНАЯ ФОРМА ---------- */
.contact-form {
    max-width: 560px;
    margin: 0 auto;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 40px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    margin-bottom: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.1);
}

.contact-form textarea {
    min-height: 120px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    justify-content: center;
}

/* ============================================
   АДАПТИВ
   ============================================ */

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .feature-card {
        padding: 24px 20px;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        line-height: 60px;
        font-size: 2.2rem;
    }
}

@media (max-width: 600px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
}


/* ============================================
   СТРАНИЦА СТАТУСА СЕРВЕРА
   ============================================ */

.server-status-page {
    padding: 40px 0 60px;
}

/* Главная карточка статуса */
.status-main-card {
    max-width: 820px;
    margin: 0 auto;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 40px;
    transition: var(--transition);
}

.status-main-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
}

.status-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 12px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 12px;
}

.status-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: inline-block;
    animation: pulseDot 2s ease-in-out infinite;
}

.status-dot.online {
    background: #4ade80;
    box-shadow: 0 0 20px rgba(74, 222, 128, 0.4);
}

.status-dot.good {
    background: #facc15;
    box-shadow: 0 0 20px rgba(250, 204, 21, 0.4);
}

.status-dot.normal {
    background: #fb923c;
    box-shadow: 0 0 20px rgba(251, 146, 60, 0.4);
}

.status-dot.slow {
    background: #f87171;
    box-shadow: 0 0 20px rgba(248, 113, 113, 0.4);
}

.status-dot.checking {
    background: #94a3b8;
    animation: pulseDot 1s ease-in-out infinite;
}

@keyframes pulseDot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.7; }
}

.status-text {
    font-size: 1.1rem;
    font-weight: 600;
}

.status-time {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Метрики */
.status-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.metric {
    text-align: center;
    padding: 16px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid var(--border-glass);
}

.metric-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.metric-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Визуальный индикатор пинга */
.ping-visual {
    margin-bottom: 30px;
}

.ping-bar-bg {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 8px;
}

.ping-bar {
    height: 100%;
    border-radius: 10px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.ping-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.refresh-btn {
    display: block;
    margin: 0 auto;
    min-width: 200px;
}

/* Список серверов */
.servers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    max-width: 820px;
    margin: 0 auto;
}

.server-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    transition: var(--transition);
}

.server-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateX(4px);
}

.server-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.server-status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.server-status-dot.online {
    background: #4ade80;
}

.server-status-dot.good {
    background: #facc15;
}

.server-status-dot.normal {
    background: #fb923c;
}

.server-status-dot.offline {
    background: #f87171;
}

.server-name {
    font-weight: 500;
    font-size: 0.95rem;
}

.server-stats {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.server-ping, .server-load {
    white-space: nowrap;
}

/* ============================================
   АДАПТИВ ДЛЯ СТРАНИЦЫ СТАТУСА
   ============================================ */

@media (max-width: 768px) {
    .status-main-card {
        padding: 24px 20px;
    }
    
    .status-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .status-metrics {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .metric {
        padding: 12px;
    }
    
    .metric-value {
        font-size: 1.1rem;
    }
    
    .servers-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .status-metrics {
        grid-template-columns: 1fr 1fr;
    }
    
    .server-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .server-stats {
        width: 100%;
        justify-content: flex-start;
    }
}

/* ============================================
   ЛИЧНЫЙ КАБИНЕТ
   ============================================ */

.cabinet-page {
    padding: 40px 0 60px;
}

.cabinet-card {
    max-width: 700px;
    margin: 0 auto 24px;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: var(--transition);
}

.cabinet-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
}

.cabinet-loading {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
}

.cabinet-header {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.cabinet-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    flex-shrink: 0;
}

.cabinet-info h2 {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.cabinet-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 2px 0;
}

/* Подписка */
.subscription-info {
    margin-top: 16px;
}

.sub-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-glass);
    flex-wrap: wrap;
    gap: 8px;
}

.sub-row:last-child {
    border-bottom: none;
}

.sub-label {
    color: var(--text-muted);
}

.sub-value {
    font-weight: 600;
}

.sub-value.free {
    color: #94a3b8;
}

.sub-value.basic {
    color: #60a5fa;
}

.sub-value.premium {
    color: #fbbf24;
}

.sub-value.trial {
    color: #34d399;
}

.sub-value.active {
    color: #4ade80;
}

.sub-value.expired {
    color: #f87171;
}

/* ============================================
   СТРАНИЦА ВХОДА (LOGIN)
   ============================================ */

.login-page {
    padding: 60px 0 80px;
}

.login-card {
    max-width: 480px;
    margin: 0 auto;
}

.login-card .contact-form {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 40px;
}

.login-card .form-group {
    margin-bottom: 20px;
}

.login-card .form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-primary);
}

.login-card .form-group input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.login-card .form-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.1);
}

.error-message {
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.2);
    padding: 12px 16px;
    border-radius: 10px;
    color: #f87171;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

/* ============================================
   АДАПТИВ
   ============================================ */

@media (max-width: 600px) {
    .cabinet-card {
        padding: 24px 20px;
    }
    
    .cabinet-header {
        flex-direction: column;
        text-align: center;
    }
    
    .cabinet-avatar {
        width: 64px;
        height: 64px;
        font-size: 2rem;
    }
    
    .login-card .contact-form {
        padding: 24px 20px;
    }
}

/* ============================================
   СТРАНИЦА ТАРИФОВ
   ============================================ */

.pricing-page {
    padding: 40px 0 60px;
}

/* Переключатель */
.pricing-toggle {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}

.toggle-btn {
    padding: 12px 32px;
    border: 1px solid var(--border-glass);
    border-radius: 40px;
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.toggle-btn:hover {
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
}

.toggle-btn.active {
    background: var(--gradient-main);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 24px rgba(99, 102, 241, 0.35);
}

.save-badge {
    background: rgba(74, 222, 128, 0.2);
    color: #4ade80;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-left: 4px;
}

/* ============================================
   СТРАНИЦА ТАРИФОВ
   ============================================ */

.pricing-page {
    padding: 40px 0 60px;
}

/* Карточки тарифов */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    padding: 20px 0 40px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.12);
}

.pricing-card.popular {
    border-color: var(--accent-primary);
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.15);
    transform: scale(1);
}

.pricing-card.popular:hover {
    transform: scale(1.04) translateY(-8px);
}

.pricing-badge {
    font-size: 2rem;
    margin-bottom: 8px;
}

.pricing-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.price {
    margin: 16px 0 8px;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}

.price .currency {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.price .amount {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.price .period {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-left: 2px;
}

.pricing-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin: 16px 0 24px;
    flex: 1;
}

.pricing-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* Гарантии */
.pricing-footer {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* Всегда 3 колонки */
    gap: 24px;
    max-width: 900px;
    margin: 40px auto 0;
    padding-top: 40px;
    border-top: 1px solid var(--border-glass);
}

.pricing-guarantee {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    transition: var(--transition);
}

.pricing-guarantee:hover {
    border-color: rgba(99, 102, 241, 0.3);
}

.pricing-guarantee span {
    font-size: 2rem;
    flex-shrink: 0;
}

.pricing-guarantee h4 {
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.pricing-guarantee p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Адаптив: на мобилках — 1 колонка */
@media (max-width: 768px) {
    .pricing-footer {
        grid-template-columns: 1fr; /* Одна колонка на телефонах */
        max-width: 400px;
    }
}

/* ============================================
   СТРАНИЦА УСТАНОВКИ (DOWNLOAD)
   ============================================ */

.download-page {
    padding: 40px 0 60px;
}

/* Выбор ОС */
.os-selector {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.os-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.os-btn:hover {
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.os-btn.active {
    background: var(--gradient-main);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 24px rgba(99, 102, 241, 0.35);
}

.os-icon {
    font-size: 1.5rem;
}

/* Инструкции */
.install-content {
    animation: fadeUp 0.5s ease;
}

.install-card {
    max-width: 780px;
    margin: 0 auto;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 40px;
}

.install-card h2 {
    font-size: 1.8rem;
    margin-bottom: 32px;
    text-align: center;
}

/* Шаг установки */
.install-step {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-glass);
    align-items: flex-start;
}

.install-step:last-child {
    border-bottom: none;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-main);
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h4 {
    font-size: 1.1rem;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.step-content code {
    background: rgba(255, 255, 255, 0.06);
    padding: 2px 10px;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--accent-primary);
    font-family: 'Courier New', monospace;
}

.step-tip {
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.12);
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 8px;
}

.download-btn {
    margin-top: 4px;
}

/* Блок с кодом */
.code-block {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 10px 16px;
    margin: 8px 0 12px;
    flex-wrap: wrap;
}

.code-block code {
    flex: 1;
    color: #4ade80 !important;
    font-size: 0.9rem;
    word-break: break-all;
}

.copy-code-btn {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    padding: 6px 14px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    white-space: nowrap;
}

.copy-code-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-primary);
}

/* Блок помощи */
.help-block {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    max-width: 780px;
    margin: 40px auto 0;
    padding: 24px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
}

.help-block span {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.help-block h4 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.help-block p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 12px;
}

/* ============================================
   АДАПТИВ
   ============================================ */

@media (max-width: 768px) {
    .os-selector {
        gap: 8px;
    }
    
    .os-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .os-icon {
        font-size: 1.2rem;
    }
    
    .install-card {
        padding: 24px 20px;
    }
    
    .install-step {
        gap: 14px;
        padding: 16px 0;
    }
    
    .step-number {
        width: 34px;
        height: 34px;
        font-size: 0.9rem;
    }
    
    .step-content h4 {
        font-size: 1rem;
    }
    
    .code-block {
        flex-direction: column;
        align-items: stretch;
    }
    
    .copy-code-btn {
        align-self: flex-end;
    }
    
    .help-block {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .os-btn {
        padding: 8px 12px;
        font-size: 0.8rem;
        gap: 6px;
    }
    
    .os-btn .os-name {
        display: none;
    }
    
    .os-icon {
        font-size: 1.5rem;
    }
    
    .install-card {
        padding: 20px 16px;
    }
    
    .install-card h2 {
        font-size: 1.3rem;
    }
}

/* Иконки ОС */
.os-img {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    display: block;
    transition: var(--transition);
}

.os-btn.active .os-img {
    filter: brightness(0) invert(1);
}

/* Адаптив */
@media (max-width: 768px) {
    .os-img {
        width: 24px;
        height: 24px;
    }
}

@media (max-width: 480px) {
    .os-img {
        width: 28px;
        height: 28px;
    }
}