/* ============================================
           HVPN STYLES — Полный CSS
   ============================================ */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a2e;
    --bg-card-hover: #222240;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606080;
    --accent: #6c5ce7;
    --accent-light: #a29bfe;
    --accent-gradient: linear-gradient(135deg, #6c5ce7, #a29bfe);
    --success: #00d2a0;
    --warning: #f0c040;
    --danger: #ff5555;
    --border: #2a2a40;
    --border-light: #3a3a50;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Анимированный фон */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(108, 92, 231, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(162, 155, 254, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(0, 210, 160, 0.05) 0%, transparent 50%);
    z-index: -1;
    animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(1%, 1%) rotate(1deg); }
    66% { transform: translate(-1%, -1%) rotate(-1deg); }
}

/* Typography */
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); font-weight: 600; }

a { color: var(--accent-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--text-primary); }

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(10, 10, 15, 0.95);
    box-shadow: var(--shadow);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    font-weight: 800;
    font-size: 1.3rem;
    text-decoration: none;
}

.logo-icon {
    width: 36px; height: 36px;
    background: var(--accent-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(108, 92, 231, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-light);
}

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

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
    border-radius: var(--radius);
}

.btn-block {
    display: block;
    text-align: center;
    width: 100%;
}

/* Hero */
.hero {
    padding: 140px 0 80px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(108, 92, 231, 0.15);
    border: 1px solid rgba(108, 92, 231, 0.3);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--accent-light);
    margin-bottom: 24px;
}

.hero h1 {
    margin-bottom: 16px;
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto 32px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin: 80px 0;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 4px;
}

/* Sections */
.section-title {
    text-align: center;
    margin-bottom: 48px;
}

.section-title p {
    color: var(--text-secondary);
    margin-top: 8px;
}

/* Features */
.features {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

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

.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Locations */
.locations {
    padding: 80px 0;
}

.locations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
}

.location-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
}

.location-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.location-flag {
    font-size: 2rem;
}

.location-info h4 {
    margin-bottom: 2px;
}

.location-info p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Pricing */
.pricing {
    padding: 80px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

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

.pricing-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

.pricing-card.popular {
    border-color: var(--accent);
    background: var(--bg-card-hover);
    box-shadow: 0 0 32px rgba(108, 92, 231, 0.2);
}

.pricing-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(108, 92, 231, 0.2);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.popular-tag {
    background: var(--accent-gradient);
    color: white;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 16px 0 4px;
}

.pricing-period {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 24px;
}

.pricing-features li {
    padding: 6px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.pricing-features li::before {
    content: '✅ ';
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 80px 0;
}

.cta-section h2 {
    margin-bottom: 16px;
}

.cta-section p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* Page Header */
.page-header {
    padding: 120px 0 60px;
    text-align: center;
}

.page-header p {
    color: var(--text-secondary);
    margin-top: 16px;
}

/* Tips Card */
.tips-card {
    background: var(--bg-card);
    border: 1px solid var(--warning);
    border-radius: var(--radius);
    padding: 32px;
    margin-top: 32px;
}

.tips-card h3 {
    margin-bottom: 16px;
}

.tips-card ul {
    list-style: none;
}

.tips-card li {
    padding: 8px 0;
    color: var(--text-secondary);
}

/* Dashboard */
.dashboard-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 24px;
}

.dashboard-card h3 {
    margin-bottom: 12px;
}

.input-group {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}

.input-field {
    flex: 1;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.input-field:focus {
    border-color: var(--accent);
}

/* Config Cards */
.config-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}

.config-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.config-flag {
    font-size: 1.5rem;
}

.config-date {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.config-link-wrapper {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 16px;
    position: relative;
}

.config-link {
    display: block;
    word-break: break-all;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--success);
    line-height: 1.8;
    padding-right: 100px;
}

.copy-btn {
    position: absolute;
    top: 8px; right: 8px;
    padding: 8px 16px;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
}

.copy-btn:hover {
    opacity: 0.9;
}

.copy-btn.copied {
    background: var(--success);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 48px;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.empty-state h3 {
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-secondary);
}

/* Skeleton loading */
.skeleton {
    background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: skeleton 1.5s ease-in-out infinite;
    border-radius: 6px;
}

@keyframes skeleton {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 48px 0 24px;
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.footer-col h4 {
    margin-bottom: 12px;
    font-size: 1rem;
}

.footer-col a {
    display: block;
    color: var(--text-secondary);
    padding: 4px 0;
    font-size: 0.9rem;
}

.footer-col a:hover {
    color: var(--text-primary);
}

.footer-col p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0; right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .config-link {
        font-size: 0.7rem;
    }
}