/* ========================================
   CGB Visual Search — Public Website CSS
   Dark Professional Theme
   ======================================== */

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: rgba(99,102,241,0.1);
    --accent: #34d399;
    --accent-dark: #10b981;
    --dark-bg: #0b0f1a;
    --dark-bg-2: #111827;
    --dark-bg-3: #1a1f36;
    --dark-card: #151b2e;
    --dark-card-border: #1e2642;
    --text-white: #f1f5f9;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --light-bg: #f8fafc;
    --light-card: #ffffff;
    --light-border: #e2e8f0;
    --dark: #1e293b;
    --text: #475569;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
    --shadow-glow: 0 0 40px rgba(99,102,241,0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
    color: var(--text);
    background: var(--light-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.25s ease;
    border: 2px solid transparent;
    text-decoration: none !important;
    text-align: center;
    white-space: nowrap;
}
.btn .arrow { font-size: 1.1em; transition: transform 0.2s; }
.btn:hover .arrow { transform: translateX(3px); }
.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: 0 4px 20px rgba(99,102,241,0.4);
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}
.btn-outline-light {
    background: transparent;
    color: var(--text-muted);
    border-color: var(--dark-card-border);
}
.btn-outline-light:hover {
    border-color: var(--text-muted);
    color: var(--text-white);
}
.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border: 1.5px solid var(--dark-card-border);
    border-radius: 20px;
    padding: 7px 20px;
    font-size: 0.88rem;
}
.btn-ghost:hover {
    border-color: var(--text-white);
    color: var(--text-white);
}
.btn-sm { padding: 6px 16px; font-size: 0.85rem; }
.btn-lg { padding: 14px 32px; font-size: 1.05rem; }
.btn-block { display: block; width: 100%; justify-content: center; }

/* --- Navbar --- */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11,15,26,0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(30,38,66,0.6);
    padding: 0;
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-white);
}
.nav-brand:hover { color: var(--text-white); }
.nav-logo {
    width: 22px;
    height: 22px;
    color: var(--accent);
}
.nav-links {
    display: flex;
    list-style: none;
    gap: 4px;
}
.nav-links a {
    padding: 7px 14px;
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}
.nav-links a:hover,
.nav-links a.active {
    color: var(--text-white);
}
.nav-actions { display: flex; gap: 8px; }
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 28px;
    height: 22px;
    position: relative;
    flex-direction: column;
    justify-content: space-between;
}
.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-white);
    border-radius: 2px;
    transition: all 0.3s;
}

/* --- Hero --- */
.hero {
    padding: 80px 0 60px;
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-bg-2) 100%);
    overflow: hidden;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    background: rgba(52,211,153,0.12);
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(52,211,153,0.2);
}
.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 20px;
    line-height: 1.15;
    letter-spacing: -0.02em;
}
.text-accent { color: var(--accent); }
.hero-sub {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 520px;
    margin-bottom: 32px;
    line-height: 1.7;
}
.hero-actions { display: flex; gap: 14px; margin-bottom: 48px; }
.hero-stats {
    display: flex;
    gap: 48px;
}
.hero-stats .stat strong {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-white);
    letter-spacing: -0.02em;
}
.hero-stats .stat span {
    font-size: 0.85rem;
    color: var(--text-dim);
}

/* Hero Visual Demo */
.hero-visual {
    display: flex;
    justify-content: center;
}
.visual-demo {
    background: var(--dark-card);
    border: 1px solid var(--dark-card-border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    display: flex;
    align-items: center;
    gap: 24px;
    box-shadow: var(--shadow-glow);
}
.upload-area {
    width: 140px;
    height: 140px;
    border: 2px dashed var(--dark-card-border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-dim);
    flex-shrink: 0;
}
.upload-area svg {
    width: 36px;
    height: 36px;
    opacity: 0.6;
}
.upload-area span {
    font-size: 0.8rem;
    font-weight: 500;
}
.arrow-icon {
    color: var(--text-dim);
    flex-shrink: 0;
}
.arrow-icon svg { width: 24px; height: 24px; }
.match-results {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.match-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255,255,255,0.03);
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid var(--dark-card-border);
}
.match-thumb {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    background: var(--dark-bg-3);
    flex-shrink: 0;
}
.match-pct {
    font-size: 0.88rem;
    font-weight: 600;
    white-space: nowrap;
}
.match-pct.accent { color: var(--accent); }

/* --- Section Titles --- */
.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--dark);
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}
.section-sub {
    text-align: center;
    color: var(--text);
    font-size: 1.05rem;
    margin-bottom: 56px;
}

/* --- Features --- */
.features-section {
    padding: 100px 0;
    background: var(--light-bg);
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.feature-card {
    padding: 32px 24px;
    border-radius: var(--radius);
    border: 1px solid var(--light-border);
    background: var(--light-card);
    transition: all 0.25s ease;
}
.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}
.feature-icon svg {
    width: 22px;
    height: 22px;
    color: var(--dark);
}
.feature-card h3 {
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 8px;
    font-weight: 700;
}
.feature-card p {
    font-size: 0.92rem;
    color: var(--text);
    line-height: 1.6;
}

/* --- How It Works --- */
.steps-section {
    padding: 100px 0;
    background: #fff;
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.step-card {
    text-align: center;
    padding: 32px 24px;
    border-radius: var(--radius);
    border: 1px solid var(--light-border);
    background: var(--light-bg);
    transition: all 0.25s;
}
.step-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.step-num {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--dark-bg);
    color: var(--accent);
    font-size: 1.3rem;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.step-card h3 {
    color: var(--dark);
    margin-bottom: 10px;
    font-weight: 700;
}
.step-card p {
    color: var(--text);
    font-size: 0.95rem;
}

/* --- Social Proof / Testimonials --- */
.social-proof {
    padding: 100px 0;
    background: var(--dark-bg);
}
.proof-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.proof-card {
    padding: 32px;
    background: var(--dark-card);
    border: 1px solid var(--dark-card-border);
    border-radius: var(--radius);
    transition: all 0.25s;
}
.proof-card:hover { border-color: rgba(99,102,241,0.3); }
.proof-quote {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 24px;
    font-style: italic;
}
.proof-quote::before { content: '\201C'; }
.proof-author strong {
    display: block;
    color: var(--text-white);
    font-size: 0.95rem;
}
.proof-author span {
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* --- CTA --- */
.cta-section {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(135deg, var(--dark-bg-2) 0%, var(--dark-bg) 100%);
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99,102,241,0.1) 0%, transparent 70%);
    pointer-events: none;
}
.cta-section h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}
.cta-section p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 36px;
}
.cta-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
}

/* --- Pricing (used on pricing.html) --- */
.pricing-section {
    padding: 100px 0;
}
.billing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
}
.toggle-label { font-size: 0.95rem; color: var(--text); }
.save-badge {
    background: var(--accent);
    color: #fff;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 4px;
}
.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
}
.toggle-switch input { display: none; }
.toggle-slider {
    position: absolute;
    inset: 0;
    background: #cbd5e1;
    border-radius: 26px;
    cursor: pointer;
    transition: 0.3s;
}
.toggle-slider::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: 0.3s;
}
.toggle-switch input:checked + .toggle-slider { background: var(--primary); }
.toggle-switch input:checked + .toggle-slider::after { left: 25px; }

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}
.pricing-card {
    padding: 36px 28px;
    border: 1px solid var(--light-border);
    border-radius: var(--radius);
    background: var(--light-card);
    text-align: center;
    position: relative;
    transition: all 0.25s;
}
.pricing-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.pricing-popular {
    border-color: var(--primary);
    box-shadow: 0 4px 20px rgba(99,102,241,0.15);
}
.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: #fff;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}
.pricing-card h3 {
    font-size: 1.3rem;
    color: var(--dark);
    margin-bottom: 16px;
}
.price { margin-bottom: 24px; }
.price-amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
}
.price-period {
    font-size: 0.9rem;
    color: var(--text-dim);
}
.feature-list {
    list-style: none;
    text-align: left;
    margin-bottom: 24px;
}
.feature-list li {
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--text);
}

/* --- Docs --- */
.docs-section {
    padding: 40px 0 80px;
}
.docs-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 40px;
}
.docs-sidebar {
    position: sticky;
    top: 80px;
    align-self: start;
}
.docs-sidebar h4 {
    color: var(--dark);
    margin-bottom: 12px;
    font-size: 0.95rem;
}
.docs-sidebar ul { list-style: none; }
.docs-sidebar ul li { margin-bottom: 4px; }
.docs-sidebar a {
    display: block;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text);
}
.docs-sidebar a:hover {
    background: var(--primary-light);
    color: var(--primary);
}
.docs-content h1 { font-size: 2rem; color: var(--dark); margin-bottom: 24px; }
.docs-content h2 { font-size: 1.4rem; color: var(--dark); margin-top: 40px; margin-bottom: 16px; padding-top: 16px; border-top: 1px solid var(--light-border); }
.docs-content h3 { font-size: 1.1rem; color: var(--dark); margin-top: 20px; margin-bottom: 8px; }
.docs-content p { margin-bottom: 12px; }
.docs-content ol, .docs-content ul { margin-bottom: 12px; padding-left: 24px; }
.docs-content li { margin-bottom: 6px; }
.docs-content code {
    background: var(--light-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85em;
    color: var(--primary-dark);
}
.docs-content pre {
    background: var(--dark-bg);
    color: #e2e8f0;
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 16px;
}
.docs-content pre code {
    background: none;
    color: inherit;
    padding: 0;
}
.docs-note {
    background: #fffbeb;
    border-left: 4px solid #f59e0b;
    padding: 12px 16px;
    border-radius: 0 8px 8px 0;
    margin: 16px 0;
    font-size: 0.9rem;
}
.docs-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
}
.docs-table th, .docs-table td {
    text-align: left;
    padding: 10px 12px;
    border: 1px solid var(--light-border);
    font-size: 0.9rem;
}
.docs-table th {
    background: var(--light-bg);
    font-weight: 600;
    color: var(--dark);
}
.faq-item {
    margin-bottom: 20px;
}
.faq-item h3 { margin-bottom: 4px; }

/* --- About --- */
.about-hero {
    padding: 80px 0 60px;
    text-align: center;
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-bg-2) 100%);
}
.about-hero h1 {
    font-size: 2.8rem;
    color: var(--text-white);
    margin-bottom: 12px;
    font-weight: 800;
    letter-spacing: -0.02em;
}
.about-hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}
.about-section { padding: 60px 0; }
.about-section.about-alt { background: var(--light-bg); }
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.about-text h2 {
    font-size: 1.4rem;
    color: var(--dark);
    margin-bottom: 12px;
}
.about-text p { margin-bottom: 12px; }
.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 32px;
}
.tech-card {
    padding: 24px;
    background: var(--light-card);
    border: 1px solid var(--light-border);
    border-radius: var(--radius);
    transition: all 0.25s;
}
.tech-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.tech-card h3 {
    color: var(--dark);
    margin-bottom: 8px;
}

/* --- Contact --- */
.contact-section { padding: 80px 0; }
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 40px;
    margin-top: 20px;
}
.contact-form-wrap {
    background: var(--light-card);
    border: 1px solid var(--light-border);
    border-radius: var(--radius);
    padding: 32px;
}
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--dark);
    margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--light-border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--dark);
    transition: border-color 0.2s;
    background: #fff;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}
.form-status {
    text-align: center;
    margin-top: 12px;
    font-size: 0.9rem;
}
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.info-card {
    padding: 24px;
    background: var(--light-bg);
    border-radius: var(--radius);
    border: 1px solid var(--light-border);
}
.info-card h3 {
    color: var(--dark);
    margin-bottom: 6px;
}

/* --- Footer --- */
.footer {
    background: var(--dark-bg);
    color: var(--text-muted);
    padding: 64px 0 0;
}
.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 32px;
    padding-bottom: 40px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 14px;
}
.footer-logo:hover { color: var(--text-white); }
.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-dim);
}
.footer-links h4 {
    color: var(--text-white);
    margin-bottom: 14px;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.footer-links a {
    display: block;
    color: var(--text-dim);
    padding: 4px 0;
    font-size: 0.9rem;
    transition: color 0.2s;
}
.footer-links a:hover { color: var(--text-white); }
.footer-bottom {
    border-top: 1px solid var(--dark-card-border);
    padding: 20px 0;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-dim);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .hero h1 { font-size: 2.5rem; }
    .hero-grid { gap: 40px; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--dark-bg);
        border-bottom: 1px solid var(--dark-card-border);
        flex-direction: column;
        padding: 12px 20px;
    }
    .nav-links.open { display: flex; }
    .nav-actions { display: none; }

    .hero { padding: 60px 0 40px; }
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero h1 { font-size: 2.2rem; }
    .hero-stats { gap: 32px; }
    .hero-visual { display: none; }

    .features-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .proof-grid { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: 1fr; }

    .about-grid { grid-template-columns: 1fr; }
    .docs-layout { grid-template-columns: 1fr; }
    .docs-sidebar { position: static; }
    .contact-grid { grid-template-columns: 1fr; }

    .footer-content { grid-template-columns: 1fr 1fr; }
    .section-title { font-size: 1.8rem; }
    .cta-section h2 { font-size: 1.8rem; }
    .cta-actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.8rem; }
    .hero-stats { flex-direction: column; gap: 16px; }
    .footer-content { grid-template-columns: 1fr; }
}