:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --accent: #06b6d4;
    --bg-dark: #0f172a;
    --bg-light: #f8fafc;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 40px rgba(37, 99, 235, 0.15);
    --radius: 16px;
    --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: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Floating Background Gradients */
.bg-gradient-1, .bg-gradient-2, .bg-gradient-3 {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.4;
    animation: float 20s infinite ease-in-out;
}

.bg-gradient-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #3b82f6, transparent);
    top: -100px;
    left: -100px;
}

.bg-gradient-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #06b6d4, transparent);
    bottom: 10%;
    right: -100px;
    animation-delay: -5s;
}

.bg-gradient-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #8b5cf6, transparent);
    top: 40%;
    left: 30%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

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

.section {
    padding: 100px 0;
}

.alt-bg {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
}

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

/* Navigation */
.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

.glass-nav.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-soft);
}

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

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

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

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

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

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

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

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--text-main);
    transition: var(--transition);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

.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);
    animation: glow 3s infinite;
}

@keyframes glow {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

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

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

.btn-text {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

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

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 20px;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-main), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero-cta-group {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
}

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

.stat-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Services Grid */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

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

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

.service-card {
    background: white;
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
    transform-style: preserve-3d;
}

.service-card:hover {
    transform: translateY(-10px) rotateX(2deg);
    box-shadow: var(--shadow-hover);
}

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

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

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

.feature-list {
    list-style: none;
    margin-bottom: 20px;
}

.feature-list li {
    padding: 5px 0;
    color: var(--text-main);
    font-size: 0.9rem;
    position: relative;
    padding-left: 20px;
}

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

/* 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 {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
}

.timeline-marker {
    width: 40px;
    height: 40px;
    background: white;
    border: 3px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--primary);
    flex-shrink: 0;
    z-index: 1;
    transition: var(--transition);
}

.timeline-item:hover .timeline-marker {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

.timeline-content {
    background: white;
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    flex: 1;
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateX(10px);
}

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

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

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

.art-1 {
    background: conic-gradient(from 0deg, #3b82f6, #06b6d4, #8b5cf6, #3b82f6);
    animation: rotate 10s linear infinite;
}

.art-2 {
    background: radial-gradient(circle at 30% 30%, #f472b6, transparent),
                radial-gradient(circle at 70% 70%, #3b82f6, transparent);
    background-color: #1e293b;
}

.art-3 {
    background: repeating-linear-gradient(45deg, #06b6d4, #06b6d4 10px, #2563eb 10px, #2563eb 20px);
}

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

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
    padding: 30px;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

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

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

/* Article Section */
.premium-article {
    background: white;
    padding: 60px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    max-width: 900px;
    margin: 0 auto;
}

.article-header {
    margin-bottom: 40px;
    border-bottom: 2px solid var(--bg-light);
    padding-bottom: 30px;
}

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

.article-header h2 {
    font-size: 2.2rem;
    margin: 15px 0;
    line-height: 1.2;
}

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

.article-content h3 {
    font-size: 1.5rem;
    margin: 40px 0 20px;
    color: var(--text-main);
}

.article-content p {
    margin-bottom: 20px;
    color: #334155;
    font-size: 1.05rem;
    line-height: 1.8;
}

.article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
}

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

.callout-box.warning {
    background: #fef2f2;
    border-color: #ef4444;
    color: #991b1b;
}

.callout-box.tip {
    background: #f0fdf4;
    border-color: #22c55e;
    color: #166534;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    font-size: 0.95rem;
}

.comparison-table th, .comparison-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

.comparison-table th {
    background: var(--bg-light);
    font-weight: 600;
    color: var(--text-main);
}

.comparison-table tr:hover {
    background: #f8fafc;
}

/* FAQ */
.faq-container {
    margin: 40px 0;
}

.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;
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.faq-item.active .faq-question::after {
    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-muted);
}

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

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

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

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

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

.rating {
    color: #fbbf24;
    letter-spacing: 2px;
}

.testimonial-card p {
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 15px;
}

.location {
    font-size: 0.85rem;
    color: var(--text-main);
    font-weight: 600;
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.info-icon {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-form-container {
    padding: 40px;
    border-radius: var(--radius);
}

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

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

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: rgba(255,255,255,0.8);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.full-width {
    width: 100%;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 80px 0 30px;
}

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

.footer-logo {
    color: white;
    margin-bottom: 20px;
    display: inline-block;
}

.footer-col p {
    color: #94a3b8;
    line-height: 1.6;
}

.footer-col h4 {
    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: #94a3b8;
    text-decoration: none;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: white;
    padding-left: 5px;
}

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

.social-icons a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
    color: #64748b;
    font-size: 0.9rem;
}

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

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

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 30px;
        gap: 20px;
        transform: translateY(-150%);
        transition: var(--transition);
        box-shadow: var(--shadow-soft);
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .mobile-menu-btn { display: flex; }
    .nav-cta { display: none; }
    .hero-stats { flex-direction: column; gap: 30px; }
    .premium-article { padding: 30px; }
    .footer-grid { grid-template-columns: 1fr; }
}