/* =========================================
   1. CSS Variables & Reset
   ========================================= */
:root {
    --bg-dark: #0f172a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --border-color: rgba(255, 255, 255, 0.1);
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.5);
    --secondary: #8b5cf6;
    --text-main: #f8fafc;
    --text-muted: #cbd5e1;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* =========================================
   2. Background & Floating Shapes
   ========================================= */
.floating-shape {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.4;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -100px;
    left: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary);
    bottom: 10%;
    right: -50px;
    animation-delay: -5s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: #ec4899;
    top: 40%;
    left: 30%;
    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); }
}

/* =========================================
   3. Utility Classes & Typography
   ========================================= */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--text-main), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    transition: var(--transition);
}

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

/* =========================================
   4. Navigation
   ========================================= */
.glass-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

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

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

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

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

/* =========================================
   5. Buttons
   ========================================= */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--primary-glow);
}

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

.glow-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.glow-btn:hover::before {
    left: 100%;
}

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

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
}

/* =========================================
   6. Hero Section
   ========================================= */
.hero-section {
    padding-top: 160px;
    padding-bottom: 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.animated-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--primary);
    border-radius: 50px;
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(99, 102, 241, 0); }
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
    font-weight: 800;
}

.hero-intro {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-ctas {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.trust-indicators {
    display: flex;
    gap: 40px;
}

.trust-item {
    display: flex;
    flex-direction: column;
}

.trust-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
}

.trust-text {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.hero-visual {
    position: relative;
    height: 400px;
}

.abstract-art {
    width: 100%;
    height: 100%;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.abstract-art::before {
    content: '';
    position: absolute;
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, var(--primary) 0%, transparent 60%);
    top: -50%;
    left: -50%;
    opacity: 0.3;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.floating-card {
    position: absolute;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    padding: 15px 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    animation: floatCard 6s ease-in-out infinite;
}

.card-1 { top: 20%; left: -20px; animation-delay: 0s; }
.card-2 { bottom: 20%; right: -20px; animation-delay: -3s; }

.card-icon { font-size: 1.5rem; }
.card-text { font-weight: 600; font-size: 0.9rem; }

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

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

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

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

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

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

.feature-list {
    list-style: none;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.feature-list li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

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

/* =========================================
   8. Statistics Section
   ========================================= */
.stats-section {
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.stat-label {
    color: var(--text-muted);
    font-weight: 500;
}

/* =========================================
   9. Process 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(--secondary));
}

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

.timeline-marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background: var(--bg-dark);
    border: 2px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--primary);
    z-index: 2;
}

.timeline-content h3 {
    margin-bottom: 10px;
    color: var(--text-main);
}

.timeline-content p {
    color: var(--text-muted);
}

/* =========================================
   10. Portfolio (Abstract CSS Only)
   ========================================= */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

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

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

.ph-1 { background: linear-gradient(45deg, #1e293b, #334155); position: relative; }
.ph-1::after { content: ''; position: absolute; width: 60%; height: 60%; background: var(--primary); border-radius: 50%; filter: blur(40px); top: 20%; left: 20%; }

.ph-2 { background: linear-gradient(135deg, #0f172a, #1e1b4b); position: relative; }
.ph-2::after { content: ''; position: absolute; width: 100%; height: 50%; background: linear-gradient(to top, var(--secondary), transparent); bottom: 0; }

.ph-3 { background: linear-gradient(225deg, #1e293b, #312e81); position: relative; }
.ph-3::after { content: ''; position: absolute; width: 80%; height: 80%; border: 2px solid var(--primary); border-radius: 16px; top: 10%; left: 10%; transform: rotate(5deg); }

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95), transparent);
    padding: 30px;
    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);
}

/* =========================================
   11. Premium Article Section
   ========================================= */
.article-section {
    background: rgba(255, 255, 255, 0.01);
}

.premium-article {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 60px;
    backdrop-filter: blur(10px);
}

.article-header {
    text-align: center;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 30px;
}

.article-header h1 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    line-height: 1.3;
}

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

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

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

.article-content h2 {
    color: var(--text-main);
    font-size: 1.8rem;
    margin-top: 40px;
    margin-bottom: 20px;
}

.article-content h3 {
    color: var(--text-main);
    font-size: 1.4rem;
    margin-top: 30px;
    margin-bottom: 15px;
}

.article-content a {
    color: var(--primary);
    text-decoration: none;
    border-bottom: 1px dashed var(--primary);
    transition: var(--transition);
}

.article-content a:hover {
    color: var(--secondary);
    border-bottom-style: solid;
}

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

.callout-box {
    padding: 20px;
    border-radius: 12px;
    margin: 30px 0;
    border-left: 4px solid;
}

.tip-box {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
    color: #6ee7b7;
}

.checklist {
    list-style: none;
    margin: 20px 0;
}

.checklist li {
    margin-bottom: 12px;
    padding-left: 30px;
    position: relative;
}

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

.process-list {
    margin: 20px 0 20px 20px;
}

.process-list li {
    margin-bottom: 15px;
    color: var(--text-muted);
}

.process-list strong {
    color: var(--text-main);
}

.comparison-table-wrapper {
    margin: 40px 0;
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.comparison-table th, .comparison-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

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

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

.pros-cons-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 40px 0;
}

.pros-box, .cons-box {
    padding: 25px;
    border-radius: 12px;
}

.pros-box {
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.cons-box {
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.pros-box h4, .cons-box h4 {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.pros-box ul, .cons-box ul {
    list-style: none;
    color: var(--text-muted);
}

.pros-box li, .cons-box li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

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

.faq-item {
    margin-bottom: 15px;
    cursor: pointer;
}

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

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

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 20px;
}

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

.faq-answer p {
    color: var(--text-muted);
    line-height: 1.6;
}

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

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.rating {
    color: var(--warning);
    letter-spacing: 2px;
}

.testimonial-text {
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 20px;
    line-height: 1.7;
}

.testimonial-location {
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
}

/* =========================================
   14. Contact Section
   ========================================= */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    padding: 50px;
}

.contact-info h3, .contact-form-container h3 {
    margin-bottom: 30px;
    font-size: 1.5rem;
}

.info-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.info-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-item strong {
    display: block;
    color: var(--text-main);
    margin-bottom: 5px;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
}

/* =========================================
   15. Footer
   ========================================= */
.footer {
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.footer-col h4 {
    color: var(--text-main);
    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-muted);
    text-decoration: none;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

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

.social-icons a:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* =========================================
   16. Animations & Responsive
   ========================================= */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }

@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-intro { margin: 0 auto 30px; }
    .hero-ctas { justify-content: center; }
    .trust-indicators { justify-content: center; }
    .hero-visual { display: none; }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .pros-cons-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: rgba(15, 23, 42, 0.95);
        backdrop-filter: blur(16px);
        flex-direction: column;
        align-items: center;
        padding: 40px 0;
        gap: 20px;
        transform: translateY(-150%);
        transition: var(--transition);
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-cta {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .premium-article {
        padding: 30px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-icons {
        justify-content: center;
    }
}