:root {
    /* Primary Colors */
    --bg-dark: #0071a6;
    --bg-darker: #061020;
    --bg-section: #0f1f3d;
    --bg-card: rgba(15, 31, 61, 0.6);
    
    /* Neon Accents */
    --neon-blue: #3b82f6;
    --neon-cyan: #22d3ee;
    --neon-glow: rgba(59, 130, 246, 0.4);
    
    /* Text Colors */
    --text-white: #ffffff;
    --text-light: #e2e8f0;
    --text-gray: #94a3b8;
    --text-muted: #64748b;
    
    /* Accent Colors */
    --accent-gold: #fbbf24;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 64px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* === Global Reset & Base Styles === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 50%, var(--bg-section) 100%);
    background-attachment: fixed;
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === Container === */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* === Header === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: all var(--transition-normal);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

/* === Logo === */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-white);
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    font-size: 32px;
    filter: drop-shadow(0 0 10px var(--neon-glow));
}

.logo-text {
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === Navigation === */
.nav {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    position: relative;
    color: var(--text-gray);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-white);
    background: var(--glass-bg);
}

.nav-link.active {
    color: var(--neon-cyan);
    background: var(--glass-bg);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-cyan));
    border-radius: 2px;
    transition: transform var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* === Header Buttons === */
.header-buttons {
    display: flex;
    gap: 12px;
}

/* === Buttons === */
.btn {
    padding: 12px 28px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-cyan));
    color: var(--text-white);
    box-shadow: 0 4px 20px var(--neon-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px var(--neon-glow);
}

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

.btn-outline:hover {
    background: var(--glass-bg);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
}

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
}

/* === Hero Section === */
.hero {
    position: relative;
    margin-top: 80px;
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(34, 211, 238, 0.05) 100%);
    border-bottom: 1px solid var(--glass-border);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><linearGradient id="grad" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:rgb(59,130,246);stop-opacity:0.1"/><stop offset="100%" style="stop-color:rgb(34,211,238);stop-opacity:0.05"/></linearGradient></defs><rect fill="url(%23grad)" width="1200" height="600"/></svg>');
    background-size: cover;
    opacity: 0.3;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--text-white), var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px var(--neon-glow);
}

.hero-subtitle {
    font-size: clamp(16px, 2.5vw, 22px);
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.hero-features {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 12px 20px;
    color: var(--text-light);
    font-weight: 500;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.feature-badge:hover {
    transform: translateY(-2px);
    border-color: var(--neon-cyan);
    box-shadow: 0 5px 20px var(--neon-glow);
}

.badge-icon {
    font-size: 20px;
}

/* === SEO Content === */
.seo-content {
    padding: var(--spacing-xl) 0;
}

.content-article {
    max-width: 900px;
    margin: 0 auto;
}

.content-article h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--text-white);
    position: relative;
    padding-bottom: 12px;
}

.content-article h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-cyan));
    border-radius: 3px;
}

.content-article h3 {
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 600;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--neon-cyan);
}

.content-article h4 {
    font-size: clamp(18px, 2.5vw, 24px);
    font-weight: 600;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

.content-article p {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--text-gray);
}

.content-article strong {
    color: var(--text-white);
    font-weight: 600;
}

.content-article ul,
.content-article ol {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.content-article li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-gray);
    line-height: 1.8;
}

.content-article blockquote {
    border-left: 4px solid var(--neon-blue);
    padding-left: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    font-style: italic;
    color: var(--text-gray);
    background: var(--glass-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
}

/* === Stats Grid === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.stat-box {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-normal);
}

.stat-box:hover {
    transform: translateY(-5px);
    border-color: var(--neon-cyan);
    box-shadow: 0 10px 30px var(--neon-glow);
}

.stat-number {
    font-size: 48px;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 14px;
    color: var(--text-gray);
    font-weight: 500;
}

/* === CTA Box === */
.cta-box {
    background: linear-gradient(135deg, var(--bg-card), rgba(59, 130, 246, 0.1));
    border: 2px solid var(--neon-blue);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    text-align: center;
    margin: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--neon-glow) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
    opacity: 0.3;
}

@keyframes pulse {
    0%, 100% { transform: scale(0.8) rotate(0deg); opacity: 0.3; }
    50% { transform: scale(1.2) rotate(180deg); opacity: 0.5; }
}

.cta-box h3 {
    position: relative;
    z-index: 1;
    font-size: 32px;
    margin-bottom: var(--spacing-sm);
    color: var(--text-white);
}

.cta-box p {
    position: relative;
    z-index: 1;
    font-size: 18px;
    margin-bottom: var(--spacing-md);
    color: var(--text-gray);
}

.cta-box .btn {
    position: relative;
    z-index: 1;
}

.disclaimer {
    margin-top: var(--spacing-sm);
    font-size: 13px;
    color: var(--text-muted);
}

/* === Footer === */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--glass-border);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

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

.footer-column h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-white);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--neon-cyan);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 14px;
}

.footer-bottom p {
    margin-bottom: var(--spacing-xs);
}

.license {
    font-size: 12px;
    color: var(--text-muted);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-icon {
    color: var(--text-gray);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.social-icon:hover {
    color: var(--neon-cyan);
    transform: translateY(-2px);
}

/* === Responsive Design === */
@media (max-width: 1024px) {
    :root {
        --spacing-xl: 48px;
        --spacing-lg: 32px;
    }
    
    .header .container {
        height: 70px;
    }
    
    .nav {
        gap: var(--spacing-sm);
    }
    
    .nav-link {
        padding: 6px 12px;
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .header-buttons {
        gap: 8px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .logo-text {
        font-size: 18px;
    }
    
    .header-buttons .btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .content-article p {
        font-size: 16px;
    }
}

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

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

/* === Performance Optimizations === */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    -webkit-tap-highlight-color: transparent;
}

button {
    -webkit-tap-highlight-color: transparent;
    outline: none;
}

/* === Accessibility === */
:focus-visible {
    outline: 2px solid var(--neon-cyan);
    outline-offset: 2px;
}

/* === Print Styles === */
@media print {
    .header,
    .footer,
    .cta-box,
    .btn {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}