:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #8b5cf6;
    --accent: #ec4899;
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --surface: rgba(255, 255, 255, 0.05);
    --surface-hover: rgba(255, 255, 255, 0.1);
    --border: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --success: #10b981;
    --warning: #f59e0b;
    --font-main: 'Plus Jakarta Sans', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Background Shapes */
.bg-shape {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.4;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -200px;
}

.shape-2 {
    width: 500px;
    height: 500px;
    background: var(--accent);
    bottom: -100px;
    left: -200px;
    animation-delay: -5s;
}

.shape-3 {
    width: 400px;
    height: 400px;
    background: var(--secondary);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -50px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

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

.glass {
    background: var(--surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 16px;
}

.section {
    padding: 100px 0;
}

.bg-darker {
    background-color: var(--bg-darker);
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

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

.btn-secondary:hover {
    background: var(--surface);
    border-color: var(--text-secondary);
}

.glow-btn {
    position: relative;
    overflow: hidden;
}

.glow-btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: rotate(45deg);
    transition: 0.5s;
    opacity: 0;
}

.glow-btn:hover::after {
    opacity: 1;
    left: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    text-align: center;
    position: relative;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.stat-card {
    padding: 24px 32px;
    text-align: center;
    min-width: 150px;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 4px;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.service-card {
    padding: 32px;
    transition: var(--transition);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-8px);
    background: var(--surface-hover);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.feature-list li {
    padding: 4px 0;
    padding-left: 20px;
    position: relative;
}

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

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

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--accent));
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 40px;
}

.timeline-dot {
    position: absolute;
    left: 11px;
    top: 24px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 3px solid var(--primary);
    z-index: 2;
}

.timeline-content {
    padding: 24px;
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateX(8px);
    border-color: var(--primary);
}

.timeline-content h3 {
    color: var(--primary);
    margin-bottom: 8px;
}

/* Portfolio Abstract Placeholders */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.portfolio-card {
    position: relative;
    overflow: hidden;
    height: 300px;
    cursor: pointer;
}

.abstract-placeholder {
    width: 100%;
    height: 100%;
    transition: var(--transition);
}

.placeholder-1 {
    background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #475569 100%);
    position: relative;
}

.placeholder-1::after {
    content: '';
    position: absolute;
    top: 20%;
    left: 20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, transparent 70%);
    border-radius: 50%;
}

.placeholder-2 {
    background: linear-gradient(45deg, #0f172a 0%, #1e1b4b 100%);
    position: relative;
}

.placeholder-2::after {
    content: '';
    position: absolute;
    bottom: -20%;
    right: -20%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.3) 0%, transparent 70%);
    border-radius: 50%;
}

.placeholder-3 {
    background: linear-gradient(to top, #0f172a, #312e81);
    position: relative;
}

.placeholder-3::before {
    content: '';
    position: absolute;
    top: 10%;
    right: 10%;
    width: 40%;
    height: 40%;
    border: 2px solid rgba(139, 92, 246, 0.3);
    border-radius: 12px;
    transform: rotate(15deg);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95), transparent);
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.portfolio-card:hover .portfolio-overlay {
    transform: translateY(0);
    opacity: 1;
}

.portfolio-card:hover .abstract-placeholder {
    transform: scale(1.05);
}

/* Article Section */
.article-section {
    padding: 60px 0;
}

.article-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 48px;
}

.article-header {
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}

.article-category {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.article-header h1 {
    font-size: 2.25rem;
    line-height: 1.2;
    margin-bottom: 16px;
}

.article-meta {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.article-content {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
}

.article-content h2 {
    color: var(--text-primary);
    font-size: 1.75rem;
    margin: 48px 0 20px;
}

.article-content h3 {
    color: var(--text-primary);
    font-size: 1.35rem;
    margin: 32px 0 16px;
}

.article-content p {
    margin-bottom: 20px;
}

.article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: var(--transition);
}

.article-content a:hover {
    color: var(--secondary);
}

.lead {
    font-size: 1.2rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Callout & Warning Boxes */
.callout-box, .warning-box {
    padding: 20px 24px;
    border-radius: 12px;
    margin: 24px 0;
    border-left: 4px solid;
}

.callout-box.info {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary);
}

.warning-box {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--warning);
}

/* Feature Cards Grid */
.feature-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 24px 0;
}

.feature-card {
    background: var(--surface);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.feature-card h4 {
    color: var(--text-primary);
    margin-bottom: 12px;
}

/* Checklist */
.checklist {
    list-style: none;
    margin: 24px 0;
}

.checklist li {
    padding: 12px 0;
    padding-left: 32px;
    position: relative;
    border-bottom: 1px solid var(--border);
}

.checklist li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

/* Comparison Table */
.table-responsive {
    overflow-x: auto;
    margin: 24px 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border-radius: 12px;
    overflow: hidden;
}

.comparison-table th, .comparison-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.comparison-table th {
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-primary);
    font-weight: 600;
}

.comparison-table td {
    color: var(--text-secondary);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

/* Pros & Cons */
.pros-cons-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin: 32px 0;
}

.pros-box, .cons-box {
    padding: 24px;
    border-radius: 12px;
}

.pros-box {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.cons-box {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.pros-box h4, .cons-box h4 {
    margin-bottom: 16px;
}

.pros-box ul, .cons-box ul {
    list-style: none;
}

.pros-box li, .cons-box li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.pros-box li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
}

.cons-box li::before {
    content: '✕';
    position: absolute;
    left: 0;
    color: #ef4444;
}

/* Summary Box */
.summary-box {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px solid var(--primary);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    margin-top: 48px;
}

.summary-box h3 {
    color: var(--text-primary);
    margin-bottom: 16px;
}

.summary-box p {
    margin-bottom: 24px;
}

/* FAQ Accordion */
.faq-container {
    margin: 32px 0;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

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

.faq-question .icon {
    font-size: 1.5rem;
    color: var(--primary);
    transition: var(--transition);
}

.faq-item.active .faq-question .icon {
    transform: rotate(45deg);
}

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

.faq-answer p {
    padding-bottom: 20px;
    color: var(--text-secondary);
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.testimonial-card {
    padding: 32px;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-4px);
}

.stars {
    color: #fbbf24;
    font-size: 1.25rem;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.testimonial-card p {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 24px;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
}

.testimonial-author strong {
    display: block;
    color: var(--text-primary);
}

.testimonial-author span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding: 48px;
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.info-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.info-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    background: var(--surface);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-item strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.info-item p, .info-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.info-item a:hover {
    color: var(--primary);
}

.contact-form-container h3 {
    margin-bottom: 24px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Footer */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: inline-block;
    margin-bottom: 16px;
}

.footer-col p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-col h4 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.social-icons {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.social-icons a:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Animations */
.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
    opacity: 0;
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
    transform: translateY(30px);
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

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

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

/* Scroll Reveal Class */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .pros-cons-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.95);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 32px;
        gap: 24px;
        transform: translateY(-150%);
        transition: var(--transition);
        border-bottom: 1px solid var(--border);
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-ctas {
        flex-direction: column;
        align-items: center;
    }
    
    .article-container {
        padding: 24px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}