:root {
    --bg-dark: #0f172a;
    --bg-alt: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --accent: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.4);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --gradient-1: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
    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;
}

/* Floating Decorative Shapes */
.floating-shape {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.4;
    animation: float 10s infinite ease-in-out;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: #38bdf8;
    top: -100px;
    right: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: #818cf8;
    bottom: 20%;
    left: -100px;
    animation-delay: 2s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: #f472b6;
    top: 40%;
    right: 10%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

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

.section {
    padding: 80px 0;
}

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

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
}

.btn-glow:hover {
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--accent);
    color: var(--bg-dark);
}

/* Navigation */
.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 16px 0;
    transition: all 0.3s ease;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: 0.3s;
}

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

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid var(--accent);
    color: var(--accent);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-intro {
    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 {
    text-align: center;
    min-width: 150px;
}

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

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 8px;
}

/* Services Grid */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    font-weight: 700;
}

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

.service-card {
    text-align: center;
}

.icon-box {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

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

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

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

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--glass-border);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 32px;
}

.timeline-dot {
    position: absolute;
    left: 11px;
    top: 24px;
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-glow);
}

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

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

.portfolio-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    height: 300px;
    cursor: pointer;
}

.abstract-visual {
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}

.visual-1 { background: linear-gradient(45deg, #1e293b, #38bdf8); }
.visual-2 { background: linear-gradient(135deg, #1e293b, #818cf8); }
.visual-3 { background: linear-gradient(225deg, #1e293b, #f472b6); }

.portfolio-card:hover .abstract-visual {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.3s ease;
}

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

/* Article Styling */
.article-container {
    max-width: 900px;
}

.article-header {
    text-align: center;
    margin-bottom: 48px;
}

.article-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.article-meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.article-content h3 {
    font-size: 1.5rem;
    margin: 40px 0 16px;
    color: var(--accent);
}

.article-content p {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.article-content ul {
    margin-bottom: 24px;
    padding-left: 24px;
    color: var(--text-secondary);
}

.article-content li {
    margin-bottom: 12px;
}

.callout-box, .warning-box, .checklist-box {
    background: rgba(56, 189, 248, 0.1);
    border-left: 4px solid var(--accent);
    padding: 20px;
    border-radius: 0 8px 8px 0;
    margin: 24px 0;
}

.warning-box {
    background: rgba(244, 114, 182, 0.1);
    border-left-color: #f472b6;
}

.checklist-box ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.checklist-box li {
    margin-bottom: 8px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    background: var(--glass-bg);
    border-radius: 8px;
    overflow: hidden;
}

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

.comparison-table th {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent);
    font-weight: 600;
}

.pros-cons-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin: 24px 0;
}

.pros-card, .cons-card {
    background: var(--glass-bg);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
}

.pros-card h4 { color: #4ade80; margin-bottom: 16px; }
.cons-card h4 { color: #f87171; margin-bottom: 16px; }

.pros-card ul, .cons-card ul {
    padding-left: 20px;
    color: var(--text-secondary);
}

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

.faq-item {
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 16px;
}

.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    padding: 16px 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--accent);
    transition: transform 0.3s;
}

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

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

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 16px;
}

.faq-answer p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.testimonial-card p {
    font-style: italic;
    color: var(--text-secondary);
    margin: 16px 0;
}

.stars {
    color: #fbbf24;
    font-size: 1.2rem;
}

.client-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
}

.client-avatar {
    width: 40px;
    height: 40px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.client-info strong {
    display: block;
    font-size: 0.95rem;
}

.client-info span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info h2, .contact-form-wrapper h2 {
    margin-bottom: 16px;
}

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

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

.info-item strong {
    display: block;
    margin-bottom: 4px;
}

.info-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.3s;
}

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

/* Footer */
.footer {
    background: #020617;
    padding: 60px 0 20px;
    border-top: 1px solid var(--glass-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-col h4 {
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-col p, .footer-col a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-col a:hover {
    color: var(--accent);
}

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

.social-icons {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.social-icons span {
    width: 36px;
    height: 36px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
}

.social-icons span:hover {
    background: var(--accent);
    color: var(--bg-dark);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Scroll Reveal Animation */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-dark);
        flex-direction: column;
        align-items: center;
        padding-top: 40px;
        transition: right 0.3s ease;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .nav-cta {
        display: none;
    }
    
    .hero-title { font-size: 2rem; }
    .hero-ctas { flex-direction: column; align-items: center; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .social-icons { justify-content: center; }
}