:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --secondary: #0ea5e9;
    --accent: #8b5cf6;
    --bg-dark: #0f172a;
    --bg-light: #f8fafc;
    --text-main: #1e293b;
    --text-light: #64748b;
    --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);
    --shadow-hover: 0 20px 40px -10px rgba(79, 70, 229, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
}

.glass-nav.scrolled {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

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

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

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

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
}

.glow-btn {
    box-shadow: 0 0 15px rgba(79, 70, 229, 0.4);
}

.glow-btn:hover {
    box-shadow: 0 0 25px rgba(79, 70, 229, 0.6);
}

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

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

/* Hero Section */
.hero-section {
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #f0f4ff 0%, #ffffff 100%);
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    animation: float 10s infinite ease-in-out;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: rgba(79, 70, 229, 0.15);
    top: -100px;
    right: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: rgba(14, 165, 233, 0.15);
    bottom: 50px;
    left: -50px;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.animated-badge {
    display: inline-block;
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(79, 70, 229, 0.2);
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-main) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-intro {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 40px;
}

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

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

.stat-card {
    padding: 20px 30px;
    border-radius: 16px;
    text-align: center;
    min-width: 150px;
}

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

.stat-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Sections General */
.section {
    padding: 100px 0;
}

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

.dark-bg .section-header p, .dark-bg h2 {
    color: var(--white);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

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

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

.service-card {
    padding: 30px;
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-hover);
}

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

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

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

.feature-list {
    list-style: none;
    color: var(--text-light);
    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(--primary);
    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(--secondary));
}

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

.timeline-dot {
    position: absolute;
    left: 11px;
    top: 20px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    border: 4px solid var(--bg-dark);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.2);
}

.timeline-content {
    padding: 25px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s;
}

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

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

.timeline-content p {
    color: rgba(255, 255, 255, 0.7);
}

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

.portfolio-card {
    height: 300px;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.css-abstract-1 {
    background: linear-gradient(45deg, #4f46e5, #0ea5e9);
}
.css-abstract-2 {
    background: linear-gradient(45deg, #8b5cf6, #ec4899);
}
.css-abstract-3 {
    background: linear-gradient(45deg, #10b981, #3b82f6);
}

.portfolio-card .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.3s ease;
}

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

/* Article Styling */
.article-section {
    background: var(--white);
}

.premium-article {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-main);
}

.article-intro {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 40px;
    font-weight: 500;
}

.premium-article h2 {
    font-size: 1.8rem;
    margin: 40px 0 20px;
    color: var(--text-main);
    font-weight: 700;
}

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

.comparison-table-wrapper {
    overflow-x: auto;
    margin: 30px 0;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.comparison-table th, .comparison-table td {
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

.comparison-table th {
    background: #f8fafc;
    font-weight: 600;
    color: var(--primary);
}

.callout-box {
    padding: 20px 25px;
    border-radius: 12px;
    margin: 30px 0;
    border-left: 4px solid;
}

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

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

/* FAQ Accordion */
.faq-container {
    margin-top: 30px;
}

.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: 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;
}

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

.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 {
    padding: 30px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.testimonial-card p {
    color: rgba(255, 255, 255, 0.8);
    font-style: italic;
    margin-bottom: 20px;
}

.client-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

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

.client-info h4 {
    color: white;
    margin-bottom: 2px;
}

.client-info span {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

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

.contact-info, .contact-form-wrapper {
    padding: 40px;
    border-radius: 20px;
}

.contact-info h2, .contact-form-wrapper h2 {
    margin-bottom: 10px;
}

.contact-info > p, .contact-form-wrapper > p {
    color: var(--text-light);
    margin-bottom: 30px;
}

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

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

.info-item strong {
    display: block;
    margin-bottom: 5px;
}

.info-item a {
    color: var(--primary);
    text-decoration: none;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

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

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

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

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-map-link {
    display: inline-block;
    margin-top: 15px;
    color: var(--secondary);
    text-decoration: none;
    font-weight: 600;
}

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

.footer-bottom a {
    color: white;
    text-decoration: none;
}

/* Responsive */
@media (max-width: 968px) {
    .hero-content h1 { font-size: 2.5rem; }
    .contact-wrapper { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links, .nav-cta { display: none; }
    .mobile-menu-toggle { display: block; }
    .hero-buttons { flex-direction: column; }
    .footer-grid { grid-template-columns: 1fr; }
    .timeline::before { left: 10px; }
    .timeline-item { padding-left: 40px; }
    .timeline-dot { left: 1px; }
}