: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;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--secondary);
    font-weight: 700;
}

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

ul {
    list-style: none;
}

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

.section {
    padding: 80px 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.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;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.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;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 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(--secondary);
    font-family: var(--font-heading);
}

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

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

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

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg-shapes .shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.6;
}

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

.shape-2 {
    width: 300px;
    height: 300px;
    background: #e0e7ff;
    bottom: 10%;
    left: -50px;
    animation: float 8s infinite alternate-reverse;
}

.hero-content {
    text-align: center;
    max-width: 800px;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    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-text {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
}

.stats-row {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.stat-card {
    padding: 20px 30px;
    border-radius: var(--radius);
    text-align: center;
    min-width: 150px;
}

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

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

.service-card {
    padding: 30px;
    border-radius: var(--radius);
    transition: 0.4s;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
}

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

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.text-link {
    color: var(--primary);
    font-weight: 600;
}

/* Article Section */
.article-section {
    background: #f1f5f9;
}

.main-content {
    padding: 60px;
    border-radius: var(--radius);
    max-width: 900px;
    margin: 0 auto;
}

.article-header {
    margin-bottom: 40px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    padding-bottom: 30px;
}

.category-tag {
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.article-header h1 {
    font-size: 2.2rem;
    margin: 15px 0;
}

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

.article-body h2 {
    font-size: 1.8rem;
    margin: 40px 0 20px;
    color: var(--secondary);
}

.article-body h3 {
    font-size: 1.4rem;
    margin: 30px 0 15px;
}

.article-body p {
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.article-body ul {
    margin: 20px 0;
    padding-left: 20px;
}

.article-body li {
    margin-bottom: 10px;
    list-style-type: disc;
}

.summary-box {
    background: rgba(37, 99, 235, 0.05);
    border-left: 4px solid var(--primary);
    padding: 25px;
    margin-top: 40px;
    border-radius: 0 var(--radius) var(--radius) 0;
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background: var(--primary);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
    border-radius: 2px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
}

.timeline-item.left {
    left: 0;
}

.timeline-item.right {
    left: 50%;
}

.timeline-item .content {
    padding: 20px;
    border-radius: var(--radius);
    position: relative;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background: var(--white);
    border: 4px solid var(--primary);
    top: 25px;
    border-radius: 50%;
    z-index: 1;
}

.timeline-item.right::after {
    left: -10px;
}

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

.testimonial-card {
    padding: 30px;
    border-radius: var(--radius);
}

.stars {
    color: #fbbf24;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.client-info {
    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;
}

/* FAQ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 15px;
    border-radius: var(--radius);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px;
    text-align: left;
    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-answer {
    padding: 0 20px 20px;
    display: none;
    color: var(--text-light);
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-item.active .arrow {
    transform: rotate(180deg);
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    padding: 50px;
    border-radius: var(--radius);
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

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

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-family: inherit;
    background: rgba(255,255,255,0.8);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* Footer */
footer {
    background: var(--secondary);
    color: var(--white);
    padding: 80px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h3 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.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;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    color: #94a3b8;
}

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

.fade-in {
    opacity: 0;
    animation: fadeIn 1s forwards;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeIn {
    to { opacity: 1; }
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .stats-row {
        flex-direction: column;
        align-items: center;
    }
    
    .timeline::after {
        left: 31px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    
    .timeline-item.right {
        left: 0;
    }
    
    .timeline-item::after {
        left: 21px;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .main-content {
        padding: 30px;
    }
}