/* ============================================
   GLOBAL STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #0066CC;
    --secondary-blue: #0052A3;
    --orange: #FF9500;
    --dark-navy: #0D1B2A;
    --dark-navy-light: #1A2F4F;
    --light-gray: #F5F7FA;
    --text-dark: #1A2D3D;
    --text-light: #FFFFFF;
    --border-gray: #E0E6ED;
    --success-green: #2ECC71;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: #FFFFFF;
}

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

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
header {
    background-color: #FFFFFF;
    border-bottom: 1px solid var(--border-gray);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--dark-navy);
    text-decoration: none;
}

.logo-icon {
    font-size: 1.5rem;
}

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

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.btn-touch {
    background-color: var(--primary-blue);
    color: var(--text-light) !important;
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.btn-touch:hover {
    background-color: var(--secondary-blue);
    color: var(--text-light) !important;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, #0D1B2A 0%, #1A2F4F 100%);
    color: var(--text-light);
    padding: 6rem 2rem;
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.highlight-blue {
    color: #5DADE2;
}

.highlight-orange {
    color: var(--orange);
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--text-light);
}

.btn-primary:hover {
    background-color: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.btn-secondary {
    background-color: var(--orange);
    color: var(--text-light);
}

.btn-secondary:hover {
    background-color: #E67E00;
    transform: translateY(-2px);
}

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

.btn-tertiary:hover {
    background-color: var(--text-light);
    color: var(--dark-navy);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: 4rem 2rem;
    background-color: #FFFFFF;
}

.about h2 {
    color: var(--primary-blue);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 2rem;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-content h3 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: var(--dark-navy);
}

.about-content p {
    margin-bottom: 1.5rem;
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
}

.about-founder {
    background-color: var(--light-gray);
    padding: 2rem;
    border-radius: 8px;
}

.founder-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), #5DADE2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.about-founder h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--dark-navy);
}

.founder-title {
    color: var(--primary-blue);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.about-founder p {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.founder-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.founder-badges span {
    background-color: var(--primary-blue);
    color: var(--text-light);
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats {
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--dark-navy-light) 100%);
    color: var(--text-light);
    padding: 4rem 2rem;
}

.stats-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.stat h3 + p {
    color: #FF9500;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.stat p {
    opacity: 0.8;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    padding: 4rem 2rem;
    background-color: #FFFFFF;
}

.services h2 {
    color: var(--primary-blue);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.services h3 {
    font-size: 2.5rem;
    color: var(--dark-navy);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.services > .container > p {
    font-size: 1rem;
    color: #666;
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.service-card {
    background-color: #F9FAFB;
    border: 1px solid var(--border-gray);
    padding: 2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.service-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.1);
    transform: translateY(-4px);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.service-card h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--dark-navy);
}

.service-card p {
    font-size: 0.95rem;
    color: #555;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.service-tags span {
    background-color: var(--light-gray);
    color: var(--primary-blue);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* ============================================
   DATA ENGINEERING SECTION
   ============================================ */
.data-engineering {
    padding: 4rem 2rem;
    background-color: var(--light-gray);
}

.data-engineering h2 {
    color: var(--primary-blue);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.data-engineering h3 {
    font-size: 2.5rem;
    color: var(--dark-navy);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.data-engineering > .container > p {
    font-size: 1rem;
    color: #666;
    margin-bottom: 3rem;
}

.pipeline-case {
    background-color: #FFFFFF;
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
    margin-bottom: 2rem;
}

.pipeline-case h4 {
    font-size: 1.5rem;
    color: var(--dark-navy);
    margin-bottom: 1rem;
}

.pipeline-case p {
    color: #555;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.pipeline-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.stat-label {
    font-size: 0.75rem;
    color: #666;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-top: 0.5rem;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.case-card {
    background-color: #FFFFFF;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-gray);
}

.case-card h5 {
    font-size: 1rem;
    color: var(--dark-navy);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.case-card p {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.case-metrics {
    display: flex;
    gap: 1.5rem;
}

.metric {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.metric small {
    display: block;
    font-size: 0.7rem;
    color: #666;
    font-weight: 600;
    margin-top: 0.25rem;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
    padding: 4rem 2rem;
    background-color: #FFFFFF;
}

.testimonials h2 {
    color: var(--primary-blue);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.testimonials h3 {
    font-size: 2.5rem;
    color: var(--dark-navy);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.testimonials > .container > p {
    font-size: 1rem;
    color: #666;
    margin-bottom: 3rem;
}

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

.testimonial-card {
    background-color: #F9FAFB;
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
}

.testimonial-text {
    font-style: italic;
    color: #555;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.8;
}

.testimonial-text::before {
    content: '"';
    font-size: 2rem;
    color: var(--primary-blue);
    margin-right: 0.5rem;
}

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

.author-badge {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), #5DADE2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.testimonial-author strong {
    color: var(--dark-navy);
    display: block;
    margin-bottom: 0.25rem;
}

.testimonial-author p {
    font-size: 0.85rem;
    color: #666;
    margin: 0;
}

/* ============================================
   INSIGHTS SECTION
   ============================================ */
.insights {
    padding: 4rem 2rem;
    background-color: var(--light-gray);
}

.insights h2 {
    color: var(--primary-blue);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.insights h3 {
    font-size: 2.5rem;
    color: var(--dark-navy);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.insights > .container > p {
    font-size: 1rem;
    color: #666;
    margin-bottom: 3rem;
}

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

.insight-card {
    background-color: #FFFFFF;
    padding: 2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.insight-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.insight-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.insight-tag {
    display: inline-block;
    background-color: var(--orange);
    color: var(--text-light);
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    width: fit-content;
}

.insight-date {
    font-size: 0.8rem;
    color: #999;
    margin-bottom: 1rem;
}

.insight-card h4 {
    font-size: 1.25rem;
    color: var(--dark-navy);
    margin-bottom: 1rem;
    line-height: 1.4;
    flex-grow: 1;
}

.insight-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
}

/* ============================================
   PROCESS SECTION
   ============================================ */
.process {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #F5F7FA 0%, #FFFFFF 100%);
}

.process h2 {
    color: var(--primary-blue);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.process h3 {
    font-size: 2.5rem;
    color: var(--dark-navy);
    margin-bottom: 3rem;
    line-height: 1.2;
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    align-items: center;
    position: relative;
}

.process-step {
    background-color: #FFFFFF;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-gray);
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), #5DADE2);
    color: var(--text-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.process-step h4 {
    font-size: 1.1rem;
    color: var(--dark-navy);
    margin-bottom: 0.75rem;
}

.process-step p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
}

.step-connector {
    height: 2px;
    background: linear-gradient(to right, var(--primary-blue), var(--orange));
    position: relative;
}

@media (max-width: 768px) {
    .process-timeline {
        grid-template-columns: 1fr;
    }
    
    .step-connector {
        height: 40px;
        width: 2px;
        margin: 0 auto;
    }
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
    padding: 4rem 2rem;
    background-color: #FFFFFF;
}

.cta h2 {
    font-size: 2.5rem;
    color: var(--dark-navy);
    text-align: center;
    margin-bottom: 3rem;
    line-height: 1.2;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h3 {
    font-size: 0.85rem;
    color: var(--primary-blue);
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.contact-info p {
    color: #555;
    margin-bottom: 1rem;
}

.contact-info a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.contact-info a:hover {
    color: var(--secondary-blue);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-gray);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.contact-form input::placeholder {
    color: #999;
}

.contact-form textarea {
    resize: vertical;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background-color: var(--dark-navy);
    color: var(--text-light);
    padding: 2rem;
    text-align: center;
    font-size: 0.95rem;
    opacity: 0.8;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .services h3,
    .data-engineering h3,
    .testimonials h3,
    .insights h3,
    .process h3,
    .cta h2 {
        font-size: 1.75rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .nav-menu {
        display: none;
    }
    
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .services-grid,
    .cases-grid,
    .testimonials-grid,
    .insights-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}