/* Общие сбросы и переменные */
:root {
    --bg-dark: #0a0f1e;
    --bg-card: #141b2b;
    --primary: #6c5ce7;
    --primary-glow: #8a7aff;
    --accent: #00d2ff;
    --text-light: #f0f4fa;
    --text-dim: #a0b3d9;
    --success: #00b894;
    --border-color: #2a3442;
    --card-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
}

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

/* Типография */
h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

h1 span, h2 span {
    color: var(--primary);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
}

p {
    color: var(--text-dim);
    margin-bottom: 15px;
}

/* Навигация */
.header {
    padding: 20px 0;
    background: rgba(10, 15, 30, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(108, 92, 231, 0.2);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
}

.logo span {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

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

/* Кнопки */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #8a7aff 100%);
    color: white;
    box-shadow: 0 8px 20px -5px rgba(108, 92, 231, 0.5);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px -5px rgba(108, 92, 231, 0.7);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 1px solid var(--primary);
}

.btn-secondary:hover {
    background: rgba(108, 92, 231, 0.1);
    border-color: var(--primary-glow);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-light);
    width: 100%;
    text-align: center;
}

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(108, 92, 231, 0.1);
}

/* Hero секция с большим щитом */
.hero {
    padding: 80px 0;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 1s ease;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin: 30px 0 20px;
}

.hero-badge {
    display: flex;
    gap: 15px;
}

.badge {
    background: rgba(108, 92, 231, 0.15);
    border: 1px solid rgba(108, 92, 231, 0.4);
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--accent);
}

/* Увеличенная иконка щита */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.shield-large {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle at 30% 30%, var(--primary), transparent 70%);
    border-radius: 50%;
    position: relative;
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 0 100px var(--primary);
}

.shield-large::before {
    content: "🛡️";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 200px;
    filter: drop-shadow(0 0 30px var(--primary-glow));
}

.shield-large::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle at 70% 70%, var(--accent), transparent 70%);
    opacity: 0.6;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Features */
.features {
    padding: 80px 0;
    background: rgba(20, 27, 43, 0.5);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

/* Tariffs */
.tariffs {
    padding: 80px 0;
}

.section-subtitle {
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.2rem;
}

.tariffs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    align-items: end;
}

.tariff-card {
    background: var(--bg-card);
    border-radius: 30px;
    padding: 40px 30px;
    border: 1px solid var(--border-color);
    position: relative;
    transition: all 0.3s;
}

.tariff-card.popular {
    transform: scale(1.05);
    border-color: var(--primary);
    box-shadow: 0 0 30px rgba(108, 92, 231, 0.3);
    background: linear-gradient(145deg, #141b2b, #1a2335);
}

.popular-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    padding: 5px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 20px 0 10px;
}

.price span {
    font-size: 1rem;
    color: var(--text-dim);
    font-weight: 400;
}

.price-note {
    color: var(--success);
    font-size: 0.9rem;
}

.tariff-features {
    list-style: none;
    margin: 20px 0 30px;
}

.tariff-features li {
    margin: 10px 0;
    color: var(--text-dim);
}

/* Download секция с новыми иконками */
.download {
    padding: 80px 0;
    text-align: center;
    background: radial-gradient(circle at 50% 50%, rgba(108, 92, 231, 0.1) 0%, transparent 70%);
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin: 40px 0;
}

.download-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--bg-card);
    padding: 30px 50px;
    border-radius: 30px;
    text-decoration: none;
    color: var(--text-light);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    min-width: 280px;
}

.download-btn:hover {
    border-color: var(--primary);
    transform: scale(1.05);
    background: #1e2a3a;
    box-shadow: 0 0 30px rgba(108, 92, 231, 0.3);
}

.download-btn .os-icon {
    font-size: 4rem;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 10px var(--primary));
}

.download-btn span:not(.os-icon) {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 10px 0 5px;
}

.download-btn small {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.download-note {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Футер */
.footer {
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

/* Анимации */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Адаптивность */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    
    .shield-large {
        width: 300px;
        height: 300px;
    }
    
    .shield-large::before {
        font-size: 120px;
    }
    
    .tariff-card.popular {
        transform: scale(1);
    }
    
    .download-btn {
        min-width: 100%;
    }
}