/* Foundation GitCover - Modern CSS with GitCover Brand Colors */

:root {
    /* GitCover Brand Colors - inspired by Git, DB, Coverage themes */
    --primary-color: #2563eb;      /* Git blue */
    --secondary-color: #059669;    /* Success green */
    --accent-color: #dc2626;       /* Git red */
    --warning-color: #d97706;      /* Orange */
    
    /* Neutral colors */
    --dark-bg: #0f172a;           /* Dark slate */
    --medium-bg: #1e293b;         /* Slate 800 */
    --light-bg: #f8fafc;          /* Slate 50 */
    --text-primary: #0f172a;      /* Dark text */
    --text-secondary: #64748b;    /* Gray text */
    --text-light: #ffffff;        /* White text */
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-dark: linear-gradient(135deg, var(--dark-bg), var(--medium-bg));
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 5rem 0;
    --card-padding: 2rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--light-bg);
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.8rem; }
h4 { font-size: 1.4rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
    color: var(--text-light);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo {
    width: 40px;
    height: 40px;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.brand-text strong {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-left: 0.5rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    background: linear-gradient(135deg, var(--light-bg) 0%, rgba(37, 99, 235, 0.05) 100%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.badge-icon {
    font-size: 1.2rem;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.git-repo-mockup {
    background: var(--dark-bg);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.3);
    width: 100%;
    max-width: 500px;
}

.repo-header {
    background: var(--medium-bg);
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.repo-title {
    color: var(--text-light);
    font-family: var(--font-mono);
    font-weight: 600;
}

.repo-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
}

.commit-count {
    color: var(--secondary-color);
}

.compliance-badge {
    color: var(--warning-color);
}

.repo-tree {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.folder, .file {
    color: var(--text-light);
    padding: 0.3rem 0;
    opacity: 0.9;
}

.folder {
    color: #fbbf24;
}

.file {
    padding-left: 1rem;
    opacity: 0.7;
}

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

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* Evolution Timeline */
.evolution {
    padding: var(--section-padding);
    background: var(--light-bg);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 3rem;
}

.timeline-icon {
    position: absolute;
    left: 0;
    top: 0;
    width: 60px;
    height: 60px;
    background: var(--light-bg);
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    z-index: 1;
}

.timeline-item.current .timeline-icon {
    background: var(--gradient-primary);
    border-color: var(--secondary-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(37, 99, 235, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
}

.timeline-content h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.timeline-content p {
    margin-bottom: 1rem;
}

.tech-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin: 1rem 0;
}

.tech-tags span {
    background: var(--gradient-primary);
    color: var(--text-light);
    padding: 0.3rem 0.8rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
}

.coverflex-dna {
    background: rgba(37, 99, 235, 0.05);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-top: 1rem;
    border-left: 4px solid var(--primary-color);
}

.coverflex-dna h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.coverflex-dna ul {
    list-style: none;
}

.coverflex-dna li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.coverflex-dna li::before {
    content: '🔗';
    position: absolute;
    left: 0;
}

/* Vision Section */
.vision {
    padding: var(--section-padding);
    background: var(--gradient-dark);
    color: var(--text-light);
}

.vision .section-header h2,
.vision .section-header p {
    color: var(--text-light);
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.vision-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--card-padding);
    border-radius: 1rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease;
}

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

.vision-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.vision-card h3 {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.vision-card p {
    color: rgba(255, 255, 255, 0.8);
}

/* Technology Section */
.technology {
    padding: var(--section-padding);
    background: var(--light-bg);
}

.tech-stack {
    max-width: 800px;
    margin: 0 auto;
}

.tech-layer {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.1);
    border-left: 4px solid var(--primary-color);
}

.layer-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.layer-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.layer-tech {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.layer-tech span {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Benefits Section */
.benefits {
    padding: var(--section-padding);
    background: rgba(37, 99, 235, 0.02);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background: white;
    padding: var(--card-padding);
    border-radius: 1rem;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.1);
    transition: transform 0.3s ease;
}

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

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.benefit-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.benefit-card ul {
    list-style: none;
}

.benefit-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.benefit-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Demo Section */
.demo {
    padding: var(--section-padding);
    background: var(--gradient-dark);
    color: var(--text-light);
}

.demo .section-header h2,
.demo .section-header p {
    color: var(--text-light);
}

.demo-container {
    max-width: 900px;
    margin: 0 auto;
}

.demo-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.demo-btn {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.demo-btn:hover,
.demo-btn.active {
    background: var(--gradient-primary);
    border-color: var(--secondary-color);
}

.terminal {
    background: #1a1a1a;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.terminal-header {
    background: #2d2d2d;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.terminal-title {
    color: var(--text-light);
    font-weight: 600;
}

.terminal-buttons {
    display: flex;
    gap: 0.5rem;
}

.terminal-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-btn.close { background: #ff5f57; }
.terminal-btn.minimize { background: #ffbd2e; }
.terminal-btn.maximize { background: #28ca42; }

.terminal-body {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.4;
    min-height: 300px;
    background: #1a1a1a;
}

.terminal-line {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.terminal-prompt {
    color: var(--secondary-color);
    font-weight: 600;
}

.terminal-cursor {
    background: var(--text-light);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Pilot Section */
.pilot {
    padding: var(--section-padding);
    background: var(--light-bg);
}

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

.pilot-card {
    background: var(--gradient-dark);
    color: var(--text-light);
    padding: var(--card-padding);
    border-radius: 1rem;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.pilot-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.pilot-card h3 {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.pilot-card ul {
    list-style: none;
    margin: 1.5rem 0;
}

.pilot-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.pilot-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Contact Section */
.contact {
    padding: var(--section-padding);
    background: rgba(37, 99, 235, 0.02);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-icon {
    font-size: 1.5rem;
    margin-top: 0.2rem;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid rgba(15, 23, 42, 0.1);
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 1rem;
    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);
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: var(--text-light);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-logo {
    width: 50px;
    height: 50px;
}

.footer-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.footer-title strong {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-subtitle {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-section h4 {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        justify-content: center;
    }

    .nav-menu {
        display: none;
    }

    .timeline-item {
        padding-left: 60px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}