/* VPNPROUS PREMIUM DESIGN SYSTEM v3.0 — Dark Theme, Glassmorphism, Neon */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
    /* Dark Premium Palette */
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: rgba(255,255,255,0.03);
    --bg-glass: rgba(255,255,255,0.05);
    --bg-glass-hover: rgba(255,255,255,0.08);
    --border-glass: rgba(255,255,255,0.08);
    --border-glass-hover: rgba(255,255,255,0.15);
    
    /* Neon Accents */
    --neon-blue: #3b82f6;
    --neon-purple: #8b5cf6;
    --neon-cyan: #06b6d4;
    --neon-green: #10b981;
    --neon-orange: #f97316;
    --neon-red: #ef4444;
    --neon-pink: #ec4899;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --gradient-accent: linear-gradient(135deg, #ef4444, #f97316);
    --gradient-cyan: linear-gradient(135deg, #06b6d4, #3b82f6);
    --gradient-gold: linear-gradient(135deg, #f59e0b, #f97316);
    --gradient-card: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(139,92,246,0.1));
    --gradient-dark: linear-gradient(135deg, #0a0e17, #111827);
    
    /* Text */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-inverse: #0a0e17;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow: 0 4px 20px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.5);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.6);
    --shadow-neon-blue: 0 0 20px rgba(59,130,246,0.3);
    --shadow-neon-purple: 0 0 20px rgba(139,92,246,0.3);
    
    /* Glass */
    --glass-bg: rgba(255,255,255,0.03);
    --glass-border: rgba(255,255,255,0.06);
    --glass-shadow: 0 8px 32px rgba(0,0,0,0.3);
    
    /* Sizes */
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Fonts */
    --font-primary: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

/* ===== BASE ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

::selection { background: rgba(59,130,246,0.3); color: white; }

/* ===== ANIMATED BACKGROUND ===== */
.animated-bg {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg-primary);
    overflow: hidden;
    z-index: -2;
    pointer-events: none;
}

.animated-bg::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(59,130,246,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(139,92,246,0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(6,182,212,0.03) 0%, transparent 50%);
    animation: bgFloat 40s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0,0) rotate(0deg); }
    25% { transform: translate(5%,-3%) rotate(2deg); }
    50% { transform: translate(-3%,5%) rotate(-1deg); }
    75% { transform: translate(-5%,-2%) rotate(1deg); }
}

/* Grid overlay */
.animated-bg .grid {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        linear-gradient(rgba(59,130,246,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59,130,246,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* Floating particles */
.particle {
    position: absolute;
    width: 2px; height: 2px;
    background: rgba(59,130,246,0.4);
    border-radius: 50%;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100px) scale(1); opacity: 0; }
}

/* ===== NEON TEXT ===== */
.neon-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

/* ===== PREMIUM NAVIGATION ===== */
.nav {
    position: fixed; top: 0; left: 0; right: 0;
    background: rgba(10,14,23,0.85);
    backdrop-filter: blur(24px) saturate(2);
    -webkit-backdrop-filter: blur(24px) saturate(2);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    padding: 0 32px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 22px;
    font-weight: 900;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.5px;
}

.nav-logo .logo-icon {
    width: 36px; height: 36px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    font-weight: 800;
    box-shadow: 0 0 20px rgba(59,130,246,0.3);
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 8px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-links a:hover { 
    color: var(--text-primary);
    background: var(--bg-glass-hover);
}

.nav-links .btn-nav {
    background: var(--gradient-primary);
    color: white !important;
    padding: 10px 22px;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(59,130,246,0.3);
}

.nav-links .btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59,130,246,0.4);
}

/* ===== GLASS CARD ===== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    transition: var(--transition);
}

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-family: var(--font-primary);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(59,130,246,0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(59,130,246,0.4);
}

.btn-accent {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 4px 20px rgba(239,68,68,0.3);
}

.btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(239,68,68,0.4);
}

.btn-gold {
    background: var(--gradient-gold);
    color: #0a0e17;
    box-shadow: 0 4px 20px rgba(245,158,11,0.3);
}

.btn-gold:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(245,158,11,0.4);
}

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

.btn-outline:hover {
    border-color: var(--neon-blue);
    background: rgba(59,130,246,0.1);
    transform: translateY(-3px);
}

.btn-lg { padding: 18px 36px; font-size: 16px; }
.btn-sm { padding: 10px 20px; font-size: 13px; }

/* ===== SECTION STYLES ===== */
.section {
    padding: 100px 24px;
    position: relative;
}

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

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(59,130,246,0.1);
    color: var(--neon-blue);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    border: 1px solid rgba(59,130,246,0.2);
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    line-height: 1.15;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.6;
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    text-align: center;
    position: relative;
}

.hero-content { position: relative; z-index: 1; max-width: 800px; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.hero-badge .dot {
    width: 6px; height: 6px;
    background: var(--neon-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero h1 {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 8px;
    letter-spacing: -2px;
}

.hero h1 .gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .tagline {
    font-size: 18px;
    color: var(--text-secondary);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 24px;
    font-weight: 500;
}

.hero p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

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

/* ===== FEATURES GRID ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
    margin-top: 40px;
}

.feature-card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}

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

.feature-card .icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 14px;
}

.feature-card h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.feature-card p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ===== PRICING ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

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

.pricing-card:hover {
    border-color: var(--border-glass-hover);
    transform: translateY(-6px);
    box-shadow: var(--glass-shadow);
}

.pricing-card.featured {
    border-color: var(--neon-blue);
    background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(139,92,246,0.05));
    box-shadow: 0 0 30px rgba(59,130,246,0.1);
    transform: scale(1.02);
}

.pricing-card .pricing-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 16px;
}

.pricing-card h3 { font-size: 18px; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }

.pricing-card .price {
    font-size: 36px;
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.pricing-card .price span { font-size: 14px; font-weight: 400; color: var(--text-muted); }
.pricing-card .price-sub { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }

.pricing-card .savings {
    display: inline-block;
    background: rgba(16,185,129,0.15);
    color: var(--neon-green);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 20px;
}

.pricing-card ul { list-style: none; margin-bottom: 24px; }
.pricing-card ul li {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 6px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}
.pricing-card ul li::before { content: '✓'; color: var(--neon-green); font-weight: 700; }

/* ===== DOWNLOAD SECTION ===== */
.download-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 40px;
}

.download-card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-primary);
    cursor: pointer;
}

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

.download-card .icon { font-size: 36px; margin-bottom: 12px; }
.download-card h3 { font-size: 15px; font-weight: 600; }
.download-card p { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ===== SERVER MAP ===== */
.server-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.server-stat {
    text-align: center;
    padding: 28px 20px;
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.server-stat:hover {
    border-color: var(--border-glass-hover);
    transform: translateY(-4px);
}

.server-stat .number {
    font-size: 36px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.server-stat .label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* ===== FOOTER ===== */
.footer {
    background: rgba(10,14,23,0.95);
    border-top: 1px solid var(--glass-border);
    padding: 80px 24px 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer h3 { color: var(--text-primary); font-size: 14px; margin-bottom: 20px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.footer a { color: var(--text-muted); text-decoration: none; font-size: 13px; display: block; margin-bottom: 10px; transition: var(--transition); }
.footer a:hover { color: var(--text-primary); }
.footer-bottom {
    text-align: center;
    padding-top: 40px;
    margin-top: 40px;
    border-top: 1px solid var(--glass-border);
    font-size: 13px;
    color: var(--text-muted);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .download-grid { grid-template-columns: repeat(2, 1fr); }
    .server-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-toggle { display: flex !important; }
    .hero h1 { font-size: 36px; }
    .section-title { font-size: 28px; }
    .pricing-grid { grid-template-columns: 1fr; }
    .download-grid { grid-template-columns: 1fr; }
    .server-stats { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .pricing-card.featured { transform: none; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 28px; }
    .hero-btns { flex-direction: column; }
    .features-grid { grid-template-columns: 1fr; }
}