/* ============================================
   CSS Reset & Global Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0F172A;
    --secondary-color: #1E40AF;
    --accent-color: #3B82F6;
    --dark-color: #0A0E1A;
    --light-color: #F8FAFC;
    --text-color: #1E293B;
    --text-light: #64748B;
    --border-color: #E2E8F0;
    --success-color: #059669;
    --gradient-1: linear-gradient(135deg, #1E40AF 0%, #0F172A 100%);
    --gradient-2: linear-gradient(135deg, #3B82F6 0%, #1E40AF 100%);
    --gradient-3: linear-gradient(135deg, #60A5FA 0%, #3B82F6 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    overflow-x: hidden;
    letter-spacing: -0.01em;
    font-weight: 400;
    font-size: 14px;
}

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

/* ============================================
   Navigation Bar
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.nav-brand h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    cursor: pointer;
}

.nav-brand .logo {
    height: 80px;
    width: auto;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.nav-brand .logo:hover {
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    margin: 3px 0;
    transition: all 0.3s ease;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0F172A 0%, #1E40AF 50%, #3B82F6 100%);
    color: white;
    overflow: hidden;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,149.3C960,160,1056,160,1152,138.7C1248,117,1344,75,1392,53.3L1440,32L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: bottom;
    opacity: 0.3;
}

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

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.highlight {
    color: #60A5FA;
    background: linear-gradient(90deg, #60A5FA, #93C5FD);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s backwards;
    font-weight: 400;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 4rem;
    animation: fadeInUp 1s ease 0.4s backwards;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    animation: fadeInUp 1s ease 0.6s backwards;
}

.stat-item h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 10px 24px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 0.875rem;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    background: #F1F5F9;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 15px 40px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
    display: block;
}

/* ============================================
   Section Header
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 1.875rem;
    color: var(--dark-color);
    margin-bottom: 1.2rem;
    position: relative;
    display: inline-block;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: 3px;
}

.section-header p {
    font-size: 0.9375rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 1.5rem auto 0;
    line-height: 1.8;
}

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: 6rem 0;
    background: var(--light-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1), 0 4px 10px rgba(0, 0, 0, 0.08);
    border-color: var(--accent-color);
}

.service-icon {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    display: inline-block;
}

.service-card h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 0.875rem;
}

.service-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s ease;
}

.service-link:hover {
    gap: 1rem;
}

/* ============================================
   Why Us Section
   ============================================ */
.why-us {
    padding: 6rem 0;
    background: white;
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.why-card {
    text-align: center;
    padding: 2rem;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.why-card:hover {
    background: var(--light-color);
}

.why-icon {
    font-size: 2.25rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.why-card h3 {
    font-size: 1rem;
    margin-bottom: 0.8rem;
    color: var(--dark-color);
}

.why-card p {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* ============================================
   Portfolio Section
   ============================================ */
.portfolio {
    padding: 6rem 0;
    background: var(--light-color);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.portfolio-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.2);
}

.portfolio-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-content {
    padding: 2rem;
}

.portfolio-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.tag {
    background: var(--light-color);
    color: var(--primary-color);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.portfolio-content h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.portfolio-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 0.875rem;
}

.portfolio-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s ease;
}

.portfolio-link:hover {
    gap: 1rem;
}

/* ============================================
   Clients Section
   ============================================ */
.clients {
    padding: 6rem 0;
    background: white;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 3rem;
    align-items: center;
}

.client-logo {
    text-align: center;
    opacity: 0.6;
    transition: all 0.3s ease;
    padding: 1rem;
}

.client-logo:hover {
    opacity: 1;
    transform: scale(1.1);
}

.client-logo i {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.client-logo p {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 600;
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials {
    padding: 6rem 0;
    background: var(--light-color);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.15);
}

.stars {
    color: #FFD700;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-color);
    margin-bottom: 2rem;
    line-height: 1.8;
    font-size: 0.9375rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    color: var(--dark-color);
    margin-bottom: 0.3rem;
    font-size: 0.9375rem;
}

.author-info p {
    color: var(--text-light);
    font-size: 0.8125rem;
}

/* ============================================
   Industries Section
   ============================================ */
.industries {
    padding: 6rem 0;
    background: white;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.industry-card {
    text-align: center;
    padding: 2rem;
    border-radius: 15px;
    background: var(--light-color);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.industry-card:hover {
    background: white;
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.1);
}

.industry-card i {
    font-size: 2.25rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.industry-card h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.industry-card p {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, #0F172A 0%, #1E40AF 50%, #3B82F6 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.cta-content p {
    font-size: 1rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    padding: 6rem 0;
    background: var(--light-color);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--dark-color);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.3rem;
}

.contact-item h4 {
    font-size: 0.9375rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.contact-item p {
    color: var(--text-light);
    font-size: 0.875rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
}

.contact-form {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 85px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-col h3,
.footer-col h4 {
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1rem;
}

.footer-col p {
    color: #94a3b8;
    line-height: 1.8;
    font-size: 0.875rem;
}

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

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.875rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #334155;
    color: #94a3b8;
    font-size: 0.875rem;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: white;
        flex-direction: column;
        justify-content: start;
        padding: 2rem;
        transition: right 0.3s ease;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        right: 0;
    }

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

    .hero-subtitle {
        font-size: 0.875rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .services-grid,
    .portfolio-grid,
    .testimonials-slider {
        grid-template-columns: 1fr;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .cta-content h2 {
        font-size: 1.375rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.25rem;
    }

    .stat-item h3 {
        font-size: 1.5rem;
    }

    .section-header h2 {
        font-size: 1.25rem;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 0.8125rem;
    }
}