/* Root Variables */
:root {
    --primary-color: #3b82f6;
    --primary-dark: #1e40af;
    --secondary-color: #0f172a;
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
    --background: #0f172a;
    --surface: #1e293b;
    --accent: #06b6d4;
    --border-color: #334155;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

p {
    color: var(--text-secondary);
}

/* Navigation */
.navbar {
    background: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.navbar .container {
    padding: 15px 20px;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-symbol {
    font-size: 1.8rem;
}

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

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

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

/* Buttons */
.btn {
    padding: 12px 28px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

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

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

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    padding: 120px 0;
    background: linear-gradient(135deg, rgba(30, 41, 59, 1) 0%, rgba(15, 23, 42, 1) 100%);
    border-bottom: 1px solid var(--border-color);
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Stats Section */
.stats {
    padding: 80px 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.stat-card {
    text-align: center;
    padding: 40px 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
    transition: all var(--transition);
}

.stat-card:hover {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-5px);
}

.stat-card h3 {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-card p {
    font-size: 1.1rem;
}

/* Services Section */
.services {
    padding: 120px 0;
    background: var(--background);
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 60px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.5) 0%, rgba(15, 23, 42, 0.5) 100%);
    transition: all var(--transition);
}

.service-card:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(30, 41, 59, 0.5) 100%);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Solutions Section */
.solutions {
    padding: 120px 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border-color);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.solution-item {
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    background: rgba(59, 130, 246, 0.05);
    transition: all var(--transition);
}

.solution-item:hover {
    background: rgba(59, 130, 246, 0.15);
    transform: translateX(5px);
}

.solution-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.solution-item p {
    color: var(--text-secondary);
}

/* Case Studies Section */
.case-studies {
    padding: 120px 0;
    background: var(--background);
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.case-study-card {
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.5) 0%, rgba(15, 23, 42, 0.5) 100%);
    transition: all var(--transition);
}

.case-study-card:hover {
    border-color: var(--accent);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(6, 182, 212, 0.15);
}

.case-study-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.case-study-header h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
}

.badge {
    background: var(--primary-color);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.case-study-result {
    color: var(--accent);
    font-size: 1.1rem;
    margin-bottom: 15px;
    font-weight: 600;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #2563eb 100%);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.cta h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: white;
}

.cta p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

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

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

.footer-section ul li {
    margin-bottom: 10px;
}

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

.footer-section a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 15px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Features Section */
.features {
    padding: 120px 0;
    background: var(--background);
    border-bottom: 1px solid var(--border-color);
}

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

.feature-item {
    text-align: center;
    padding: 40px 30px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    transition: all var(--transition);
}

.feature-item:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.feature-item h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.feature-item p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Testimonials Section */
.testimonials {
    padding: 120px 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border-color);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.testimonial-card {
    padding: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.5) 0%, rgba(15, 23, 42, 0.5) 100%);
    border: 1px solid var(--border-color);
    transition: all var(--transition);
    position: relative;
}

.testimonial-card:hover {
    border-color: var(--accent);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(6, 182, 212, 0.2);
}

.quote-mark {
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.3;
    line-height: 0;
    margin-bottom: 20px;
}

.testimonial-text {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-info h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.author-info p {
    color: var(--accent);
    font-size: 0.95rem;
}

/* Process Section */
.process {
    padding: 120px 0;
    background: var(--background);
    border-bottom: 1px solid var(--border-color);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    position: relative;
}

.process-step {
    text-align: center;
    padding: 30px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    transition: all var(--transition);
}

.process-step:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 20px;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

.process-step h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.process-step p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* FAQ Section */
.faq {
    padding: 120px 0;
    background: var(--surface);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.faq-item {
    padding: 30px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    transition: all var(--transition);
}

.faq-item:hover {
    background: rgba(59, 130, 246, 0.08);
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.faq-item h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    line-height: 1.4;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .nav-links {
        gap: 15px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .cta h2 {
        font-size: 2rem;
    }

    .case-study-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .features-grid,
    .testimonials-grid,
    .process-timeline,
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .stat-card h3 {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
    }

    .feature-icon,
    .service-icon {
        font-size: 2.5rem;
    }

    .quote-mark {
        font-size: 3rem;
    }
}