:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --secondary: #0f172a;
    --accent: #3b82f6;
    --text: #334155;
    --text-light: #64748b;
    --bg: #f8fafc;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
    --radius: 16px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Poppins', sans-serif;
    color: var(--secondary);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul {
    list-style: none;
}

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

/* Glassmorphism Utilities */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

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

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
}

.full-width {
    width: 100%;
    text-align: center;
}

.glow-effect {
    animation: glow 2s infinite alternate;
}

@keyframes glow {
    from { box-shadow: 0 0 5px var(--primary); }
    to { box-shadow: 0 0 20px var(--accent); }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
    transition: 0.3s;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    color: var(--secondary);
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 160px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    z-index: 0;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: #bfdbfe;
    top: -100px;
    right: -100px;
    animation: float 10s infinite ease-in-out;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: #ddd6fe;
    bottom: 50px;
    left: -50px;
    animation: float 8s infinite ease-in-out reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, 40px); }
}

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

.badge {
    background: #dbeafe;
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(to right, var(--secondary), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-intro {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 50px;
}

.stats-row {
    display: flex;
    gap: 20px;
}

.stat-card {
    padding: 20px;
    border-radius: var(--radius);
    text-align: center;
    min-width: 120px;
}

.stat-card h3 {
    font-size: 2rem;
    color: var(--primary);
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius);
    transition: 0.3s;
    border: 1px solid #e2e8f0;
}

.service-card {
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.icon-box {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-list {
    margin-top: 15px;
    color: var(--text-light);
    font-size: 0.9rem;
}

.feature-list li {
    margin-bottom: 5px;
    padding-left: 20px;
    position: relative;
}

.feature-list li::before {
    content: "✓";
    color: var(--primary);
    position: absolute;
    left: 0;
}

/* Article Styling */
.premium-article {
    padding: 40px;
    border-radius: var(--radius);
    max-width: 900px;
    margin: 0 auto;
}

.article-header {
    margin-bottom: 30px;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 20px;
}

.meta-info {
    display: flex;
    gap: 20px;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 10px;
}

.article-content h2 {
    margin-top: 40px;
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.article-content h3 {
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.article-content p {
    margin-bottom: 20px;
    color: var(--text);
}

.article-content ul, .article-content ol {
    margin-bottom: 20px;
    padding-left: 20px;
}

.article-content li {
    margin-bottom: 10px;
}

/* FAQ Accordion */
.faq-container {
    margin-top: 40px;
}

.faq-item {
    border-bottom: 1px solid #e2e8f0;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 20px 0;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--secondary);
}

.faq-question::after {
    content: "+";
    font-size: 1.5rem;
    color: var(--primary);
}

.faq-item.active .faq-question::after {
    content: "-";
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 20px;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--white);
}

.rating {
    color: #f59e0b;
    margin-bottom: 15px;
}

.author {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
}

.avatar {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 40px;
    border-radius: var(--radius);
}

.info-item {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: flex-start;
}

.info-item .icon {
    font-size: 1.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-family: inherit;
}

/* Footer */
footer {
    background: var(--secondary);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3, .footer-col h4 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #94a3b8;
}

.footer-col ul li a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #334155;
    color: #94a3b8;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .stats-row {
        flex-wrap: wrap;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .premium-article {
        padding: 20px;
    }
}