/* ============================================
   NovaSignal AI Theme v5.0 — Main Stylesheet
   Light Theme matching novasignal-ai.ca
   ============================================ */

:root {
    --color-primary: #4f46e5;
    --color-primary-dark: #4338ca;
    --color-primary-light: #e0e7ff;
    --color-secondary: #1e293b;
    --color-accent: #10b981;
    --color-accent-hover: #059669;
    --color-violet: #8b5cf6;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-text-light: #94a3b8;
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-dark: #0f172a;
    --color-border: #e2e8f0;
    --color-border-dark: #cbd5e1;
    --color-white: #ffffff;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --container-width: 1200px;
    --section-padding: 5rem;
    --section-padding-sm: 2.5rem;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --transition: all 0.3s ease;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font-main); background-color: var(--color-bg); color: var(--color-text); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-primary-dark); }
img { max-width: 100%; height: auto; display: block; }

.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 1.5rem; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; color: var(--color-text); margin-bottom: 1rem; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
p { margin-bottom: 1rem; color: var(--color-text-muted); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.875rem 1.75rem; border-radius: var(--border-radius-sm); font-weight: 600; font-size: 1rem; cursor: pointer; border: 2px solid transparent; transition: var(--transition); text-align: center; gap: 0.5rem; }
.btn-primary { background-color: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); box-shadow: var(--shadow); }
.btn-primary:hover { background-color: var(--color-primary-dark); border-color: var(--color-primary-dark); color: var(--color-white); transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn-outline { background-color: transparent; color: var(--color-primary); border-color: var(--color-border-dark); }
.btn-outline:hover { background-color: var(--color-primary-light); border-color: var(--color-primary); color: var(--color-primary-dark); }
.btn-white { background-color: var(--color-white); color: var(--color-primary); border-color: var(--color-white); box-shadow: var(--shadow); }
.btn-white:hover { background-color: var(--color-bg-alt); color: var(--color-primary-dark); }
.btn-lg { padding: 1rem 2rem; font-size: 1.125rem; }
.btn-block { width: 100%; }

/* Header */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background-color: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--color-border); }
.header-container { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.site-branding a { font-size: 1.5rem; font-weight: 800; color: var(--color-text); }
.logo-nova { color: var(--color-text); }
.logo-signal { color: var(--color-primary); }
.logo-ai { color: var(--color-violet); font-size: 0.75em; border: 1px solid var(--color-violet); padding: 0.1rem 0.4rem; border-radius: 4px; margin-left: 0.25rem; }

.main-navigation { display: flex; align-items: center; }
.nav-menu { display: flex; list-style: none; gap: 2rem; }
.nav-menu a { color: var(--color-text-muted); font-weight: 500; font-size: 0.95rem; position: relative; }
.nav-menu a:hover, .nav-menu .current-menu-item a { color: var(--color-primary); }
.nav-menu a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--color-primary); transition: var(--transition); }
.nav-menu a:hover::after, .nav-menu .current-menu-item a::after { width: 100%; }
.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.toggle-bar { width: 25px; height: 2px; background-color: var(--color-text); transition: var(--transition); }

.header-actions { display: flex; align-items: center; gap: 1rem; }
.header-phone { display: flex; align-items: center; gap: 0.5rem; color: var(--color-text-muted); font-size: 0.9rem; font-weight: 600; }
.header-phone:hover { color: var(--color-primary); }
.header-actions .btn-primary { padding: 0.625rem 1.25rem; font-size: 0.9rem; }

/* Hero Sections */
.hero-section { padding: 10rem 0 5rem; background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 50%, #f8fafc 100%); text-align: center; }
.hero-eyebrow { display: inline-block; background: var(--color-primary-light); color: var(--color-primary-dark); padding: 0.5rem 1.25rem; border-radius: 20px; font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 1.5rem; }
.hero-title { font-size: clamp(2.25rem, 5.5vw, 3.75rem); line-height: 1.1; margin-bottom: 1.25rem; color: var(--color-text); }
.hero-lead { font-size: 1.25rem; color: var(--color-text-muted); max-width: 700px; margin: 0 auto 2rem; line-height: 1.7; }
.hero-ctas { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 2rem; }
.hero-trust { display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; margin-top: 2rem; }
.trust-item { display: flex; align-items: center; gap: 0.5rem; color: var(--color-text-muted); font-size: 0.95rem; font-weight: 500; }
.trust-item::before { content: '✓'; color: var(--color-success); font-weight: bold; font-size: 1.1rem; }

/* Page Hero */
.page-hero { background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%); padding: 10rem 0 4rem; text-align: center; border-bottom: 1px solid var(--color-border); }
.page-title { margin-bottom: 0.5rem; }
.page-subtitle { font-size: 1.25rem; color: var(--color-text-muted); max-width: 600px; margin: 0 auto; }

/* Section Labels */
.section-label { display: inline-block; color: var(--color-primary); font-size: 0.875rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 1rem; }
.section-header { margin-bottom: 3rem; }
.section-header h2 { margin-bottom: 0.75rem; }
.section-header p { font-size: 1.125rem; max-width: 600px; margin: 0 auto; }

/* Cards */
.card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 2rem; transition: var(--transition); }
.card:hover { box-shadow: var(--shadow-lg); border-color: var(--color-primary-light); transform: translateY(-4px); }
.card-featured { border-color: var(--color-primary); box-shadow: 0 0 0 4px var(--color-primary-light); position: relative; }
.badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--color-primary); color: white; padding: 0.35rem 1rem; border-radius: 20px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }

/* Services Page */
.difference-section { background: var(--color-bg); }
.difference-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 3rem; }
@media (max-width: 768px) { .difference-grid { grid-template-columns: 1fr; } }

.product-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 2.5rem; text-align: center; transition: var(--transition); }
.product-card:hover { box-shadow: var(--shadow-lg); border-color: var(--color-primary-light); transform: translateY(-4px); }
.product-icon { width: 64px; height: 64px; background: var(--color-primary-light); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 1.25rem; color: var(--color-primary); }
.product-card h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.product-price { color: var(--color-primary); font-weight: 700; font-size: 0.95rem; margin-bottom: 1rem; }
.product-card p { font-size: 0.95rem; color: var(--color-text-muted); line-height: 1.6; margin-bottom: 1.25rem; }
.product-link { color: var(--color-primary); font-weight: 600; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 0.25rem; }
.product-link:hover { gap: 0.5rem; }

.services-catalog { background: var(--color-bg-alt); }
.catalog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
@media (max-width: 768px) { .catalog-grid { grid-template-columns: 1fr; } }

.service-item { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 2rem; display: flex; gap: 1.5rem; transition: var(--transition); }
.service-item:hover { box-shadow: var(--shadow); border-color: var(--color-primary-light); }
.service-number { width: 48px; height: 48px; background: var(--color-primary-light); color: var(--color-primary); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.25rem; flex-shrink: 0; }
.service-item-content { flex: 1; }
.service-item-content h3 { font-size: 1.15rem; margin-bottom: 0.25rem; }
.service-item-price { color: var(--color-primary); font-weight: 600; font-size: 0.9rem; margin-bottom: 0.75rem; }
.service-item-content p { font-size: 0.95rem; color: var(--color-text-muted); line-height: 1.6; margin-bottom: 0.75rem; }
.service-item-content ul { list-style: none; padding: 0; margin: 0; }
.service-item-content ul li { padding: 0.25rem 0; padding-left: 1.25rem; position: relative; color: var(--color-text-muted); font-size: 0.9rem; }
.service-item-content ul li::before { content: '•'; position: absolute; left: 0; color: var(--color-primary); }
.service-item-cta { margin-top: 1rem; color: var(--color-primary); font-weight: 600; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 0.25rem; }

.engagement-trust { background: var(--color-bg); padding: 3rem 0; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.engagement-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; text-align: center; }
@media (max-width: 768px) { .engagement-grid { grid-template-columns: repeat(2, 1fr); } }
.engagement-item { padding: 1rem; }
.engagement-item svg { color: var(--color-primary); margin-bottom: 0.75rem; }
.engagement-item h4 { font-size: 1rem; margin-bottom: 0.25rem; }
.engagement-item p { font-size: 0.875rem; margin: 0; }

/* Pricing Page */
.pricing-hero { background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%); }
.pricing-intro { max-width: 700px; margin: 0 auto 2rem; }
.comparison-hero { display: flex; justify-content: center; align-items: center; gap: 3rem; margin-top: 2rem; flex-wrap: wrap; }
.comparison-stat { text-align: center; }
.comparison-stat strong { display: block; font-size: 2.5rem; color: var(--color-primary); font-weight: 800; }
.comparison-stat span { font-size: 0.9rem; color: var(--color-text-muted); }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-bottom: 3rem; }
@media (max-width: 992px) { .pricing-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto 3rem; } }

.pricing-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 2.5rem 2rem; text-align: center; position: relative; transition: var(--transition); }
.pricing-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.pricing-card.featured { border-color: var(--color-primary); box-shadow: 0 0 0 4px var(--color-primary-light); transform: scale(1.02); }
.pricing-card.featured:hover { transform: scale(1.02) translateY(-4px); }
.plan-badge { display: inline-block; background: var(--color-primary-light); color: var(--color-primary-dark); padding: 0.35rem 1rem; border-radius: 20px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1rem; }
.plan-badge-popular { background: var(--color-primary); color: white; }
.pricing-card h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.price-tag { margin-bottom: 1.5rem; }
.price-tag .price { font-size: 2.5rem; font-weight: 800; color: var(--color-text); line-height: 1; }
.price-tag .period { color: var(--color-text-muted); font-size: 0.9rem; }
.price-note { font-size: 0.85rem; color: var(--color-text-light); margin-top: 0.25rem; }

.feature-checklist { list-style: none; padding: 0; margin: 0 0 2rem; text-align: left; }
.feature-checklist li { padding: 0.6rem 0; padding-left: 1.75rem; position: relative; color: var(--color-text-muted); font-size: 0.95rem; border-bottom: 1px solid var(--color-border); }
.feature-checklist li:last-child { border-bottom: none; }
.feature-checklist li::before { content: '✓'; position: absolute; left: 0; color: var(--color-success); font-weight: bold; }
.feature-checklist li.disabled { color: var(--color-text-light); text-decoration: line-through; }
.feature-checklist li.disabled::before { content: '×'; color: var(--color-text-light); }

.plan-cta { margin-top: 1.5rem; }
.plan-best-for { margin-top: 1rem; font-size: 0.85rem; color: var(--color-text-light); font-style: italic; }

/* Add-ons */
.addons-section { background: var(--color-bg-alt); }
.addons-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
@media (max-width: 768px) { .addons-grid { grid-template-columns: 1fr; } }
.addon-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 1.5rem; }
.addon-card h4 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.addon-price { font-size: 1.25rem; font-weight: 700; color: var(--color-primary); margin-bottom: 0.5rem; }
.addon-card p { font-size: 0.9rem; margin: 0; }

/* Comparison Table */
.comparison-section { background: var(--color-bg); }
.comparison-table-wrapper { overflow-x: auto; margin-bottom: 1rem; }
.comparison-table { width: 100%; border-collapse: collapse; background: var(--color-white); border-radius: var(--border-radius); overflow: hidden; box-shadow: var(--shadow); }
.comparison-table th { background: var(--color-bg-alt); padding: 1rem; text-align: left; font-weight: 600; font-size: 0.875rem; color: var(--color-text); border-bottom: 2px solid var(--color-border); }
.comparison-table td { padding: 1rem; border-bottom: 1px solid var(--color-border); color: var(--color-text-muted); }
.comparison-table .highlight { color: var(--color-primary); font-weight: 700; }
.comparison-table .success { color: var(--color-success); font-weight: 600; }
.comparison-source { font-size: 0.875rem; color: var(--color-text-light); margin-top: 1rem; }

/* FAQ */
.faq-section { background: var(--color-bg-alt); }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; max-width: 900px; margin: 0 auto; }
@media (max-width: 768px) { .faq-grid { grid-template-columns: 1fr; } }
.faq-item { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 1.75rem; transition: var(--transition); }
.faq-item:hover { border-color: var(--color-primary-light); box-shadow: var(--shadow); }
.faq-item h3 { font-size: 1.05rem; color: var(--color-text); margin-bottom: 0.75rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-item h3::after { content: '+'; color: var(--color-primary); font-size: 1.25rem; font-weight: 300; }
.faq-item p { color: var(--color-text-muted); font-size: 0.9rem; line-height: 1.6; margin: 0; }

/* CTA Section */
.cta-section { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-violet) 100%); padding: 5rem 0; text-align: center; }
.cta-section h2 { color: var(--color-white); margin-bottom: 1rem; }
.cta-section p { color: rgba(255, 255, 255, 0.9); margin-bottom: 2rem; font-size: 1.125rem; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.cta-guarantee { margin-top: 1.5rem; color: rgba(255, 255, 255, 0.7); font-size: 0.875rem; }

/* Footer */
.site-footer { background-color: var(--color-bg-alt); border-top: 1px solid var(--color-border); }
.footer-widgets { padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.footer-trust { background: var(--color-white); border-top: 1px solid var(--color-border); padding: 2rem 0; text-align: center; }
.trust-badges { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.badge-item { color: var(--color-text-muted); font-size: 0.875rem; font-weight: 500; }
.trust-details p { margin-bottom: 0.25rem; font-size: 0.875rem; color: var(--color-text-muted); }
.trust-legal { color: var(--color-text-light); font-size: 0.875rem; }
.placeholder { color: var(--color-text-light); font-style: italic; }
.footer-bottom { border-top: 1px solid var(--color-border); padding: 1.5rem 0; background: var(--color-white); }
.footer-bottom-container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-nav-menu, .legal-nav-menu { display: flex; list-style: none; gap: 1.5rem; }
.footer-nav-menu a, .legal-nav-menu a { color: var(--color-text-muted); font-size: 0.9rem; }
.footer-nav-menu a:hover, .legal-nav-menu a:hover { color: var(--color-primary); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; }
.info-block { margin-bottom: 2rem; }
.info-block h4 { color: var(--color-primary); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 0.5rem; }
.info-block p, .info-block a { color: var(--color-text); font-size: 1.125rem; }
.trust-mini { padding-top: 1rem; border-top: 1px solid var(--color-border); }
.trust-mini p { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: 0.25rem; }

.novasignal-contact-form { background-color: var(--color-white); padding: 2rem; border-radius: var(--border-radius); border: 1px solid var(--color-border); box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; margin-bottom: 0.5rem; color: var(--color-text); font-weight: 500; font-size: 0.9rem; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 0.875rem 1rem; background-color: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--border-radius-sm); color: var(--color-text); font-family: inherit; font-size: 1rem; transition: var(--transition); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-light); }
.form-message { margin-bottom: 1rem; padding: 0.75rem; border-radius: var(--border-radius-sm); font-weight: 600; }
.form-message.success { background: rgba(16, 185, 129, 0.1); color: var(--color-success); border: 1px solid var(--color-success); }
.form-message.error { background: rgba(239, 68, 68, 0.1); color: var(--color-danger); border: 1px solid var(--color-danger); }

/* Team, Case Studies, etc */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.team-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 2rem; text-align: center; transition: var(--transition); }
.team-card:hover { box-shadow: var(--shadow); }
.team-photo { width: 120px; height: 120px; border-radius: 50%; overflow: hidden; margin: 0 auto 1rem; }
.team-photo img { width: 100%; height: 100%; object-fit: cover; }
.team-photo.placeholder { background: linear-gradient(135deg, var(--color-border), var(--color-bg-alt)); display: flex; align-items: center; justify-content: center; color: var(--color-text-light); font-size: 0.8rem; }
.team-role { color: var(--color-primary); font-weight: 600; margin-bottom: 0.5rem; }
.team-bio { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: 1rem; }
.team-linkedin { display: inline-block; padding: 0.5rem 1rem; background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--border-radius-sm); font-size: 0.875rem; }

.case-studies-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 2rem; }
.case-study-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); overflow: hidden; transition: var(--transition); }
.case-study-card:hover { box-shadow: var(--shadow-lg); }
.case-image img { width: 100%; height: 220px; object-fit: cover; }
.case-content { padding: 1.5rem; }
.case-meta { display: flex; gap: 1rem; margin-bottom: 0.5rem; font-size: 0.875rem; }
.case-client { color: var(--color-primary); font-weight: 600; }
.case-industry { color: var(--color-text-muted); }
.case-result { margin-top: 1rem; padding: 0.75rem; background: rgba(16, 185, 129, 0.1); border: 1px solid var(--color-success); border-radius: var(--border-radius-sm); color: var(--color-success); font-weight: 600; }
.case-metric { margin-top: 0.5rem; color: var(--color-text-muted); font-size: 0.875rem; }

/* Posts Grid */
.posts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 2rem; margin-bottom: 3rem; }
.post-card { background-color: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); overflow: hidden; transition: var(--transition); }
.post-card:hover { box-shadow: var(--shadow); border-color: var(--color-primary-light); }
.post-thumbnail img { width: 100%; height: 220px; object-fit: cover; }
.post-content { padding: 1.5rem; }
.entry-title { font-size: 1.25rem; margin-bottom: 0.5rem; }
.entry-title a { color: var(--color-text); }
.entry-title a:hover { color: var(--color-primary); }
.entry-meta { font-size: 0.875rem; color: var(--color-text-muted); margin-bottom: 1rem; }
.read-more { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 600; margin-top: 0.5rem; color: var(--color-primary); }

/* 404 */
.error-404 { min-height: 60vh; display: flex; align-items: center; justify-content: center; text-align: center; }
.error-code { font-size: 8rem; font-weight: 800; color: var(--color-primary); line-height: 1; margin-bottom: 1rem; }

/* Screen Reader */
.screen-reader-text { border: 0; clip: rect(1px, 1px, 1px, 1px); clip-path: inset(50%); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; word-wrap: normal !important; }

/* Pagination */
.pagination { display: flex; justify-content: center; gap: 0.5rem; margin-top: 3rem; }
.pagination a, .pagination span { padding: 0.5rem 1rem; background-color: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius-sm); color: var(--color-text); }
.pagination .current { background: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); }

/* Widget */
.widget { background-color: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 1.5rem; margin-bottom: 1.5rem; }
.widget-title { font-size: 1.125rem; margin-bottom: 1rem; color: var(--color-text); }

/* Utility */
.section-padding { padding: var(--section-padding) 0; }
.section-padding-sm { padding: var(--section-padding-sm) 0; }
.bg-alt { background-color: var(--color-bg-alt); }
.text-center { text-align: center; }
.hidden { display: none !important; }

/* Chatbot (updated for light theme) */
.chatbot-container { position: fixed; bottom: 90px; right: 20px; width: 360px; max-width: calc(100vw - 40px); height: 500px; max-height: calc(100vh - 120px); background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); display: flex; flex-direction: column; z-index: 9999; box-shadow: var(--shadow-xl); }
.chatbot-header { display: flex; justify-content: space-between; align-items: center; padding: 1rem; background: linear-gradient(135deg, var(--color-primary), var(--color-violet)); border-radius: var(--border-radius) var(--border-radius) 0 0; }
.chatbot-title { color: var(--color-white); font-weight: 700; }
.chatbot-close { background: none; border: none; color: var(--color-white); font-size: 1.5rem; cursor: pointer; line-height: 1; }
.chatbot-body { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.chatbot-messages { flex: 1; padding: 1rem; overflow-y: auto; }
.chatbot-input-area { display: flex; padding: 1rem; border-top: 1px solid var(--color-border); gap: 0.5rem; }
.chatbot-input-area input { flex: 1; padding: 0.75rem; background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--border-radius-sm); color: var(--color-text); }
.chatbot-input-area button { padding: 0.75rem 1rem; background: var(--color-primary); border: none; border-radius: var(--border-radius-sm); color: var(--color-white); cursor: pointer; font-weight: 700; }
.chatbot-launcher { position: fixed; bottom: 20px; right: 20px; width: 60px; height: 60px; border-radius: 50%; background: linear-gradient(135deg, var(--color-primary), var(--color-violet)); border: none; color: var(--color-white); cursor: pointer; display: flex; align-items: center; justify-content: center; z-index: 9998; box-shadow: var(--shadow-lg); transition: var(--transition); }
.chatbot-launcher:hover { transform: scale(1.1); }

/* CRM Dashboard (light) */
.crm-header { background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-white) 100%); padding: 8rem 0 2rem; border-bottom: 1px solid var(--color-border); }
.crm-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; flex-wrap: wrap; gap: 1rem; }
.crm-filters { display: flex; gap: 1rem; }
.crm-filters select, .crm-filters input { padding: 0.5rem 1rem; background: var(--color-white); border: 1px solid var(--color-border); color: var(--color-text); border-radius: var(--border-radius-sm); }
.crm-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; margin-bottom: 3rem; }
.stat-card { background-color: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 1.5rem; text-align: center; box-shadow: var(--shadow-sm); }
.stat-card h3 { font-size: 2.5rem; color: var(--color-primary); margin-bottom: 0.25rem; }
.stat-card p { color: var(--color-text-muted); margin: 0; }
.crm-table-wrapper { background-color: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 2rem; overflow-x: auto; box-shadow: var(--shadow-sm); }
.crm-table { width: 100%; border-collapse: collapse; }
.crm-table th, .crm-table td { padding: 1rem; text-align: left; border-bottom: 1px solid var(--color-border); }
.crm-table th { color: var(--color-primary); font-weight: 600; font-size: 0.875rem; text-transform: uppercase; }
.crm-table td { color: var(--color-text); font-size: 0.95rem; }
.crm-table tr:hover td { background-color: var(--color-bg-alt); }
.status-badge { display: inline-block; padding: 0.25rem 0.75rem; border-radius: 20px; font-size: 0.8rem; font-weight: 600; }
.status-new { background: rgba(79, 70, 229, 0.1); color: var(--color-primary); }
.status-contacted { background: rgba(245, 158, 11, 0.1); color: var(--color-warning); }
.status-qualified { background: rgba(99, 102, 241, 0.1); color: #6366f1; }
.status-proposal-sent { background: rgba(139, 92, 246, 0.1); color: var(--color-violet); }
.status-closed-won { background: rgba(16, 185, 129, 0.1); color: var(--color-success); }
.status-closed-lost { background: rgba(239, 68, 68, 0.1); color: var(--color-danger); }
.no-data { text-align: center; color: var(--color-text-muted); padding: 3rem !important; }

/* Calculator */
.calculator-section { background: var(--color-bg-alt); }
.calc-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem; align-items: start; }
@media (max-width: 768px) { .calc-grid { grid-template-columns: 1fr; gap: 2rem; } }
.calc-info h2 { font-size: 2.25rem; margin-bottom: 1rem; }
.calc-info p { color: var(--color-text-muted); font-size: 1.05rem; line-height: 1.7; margin-bottom: 1.5rem; }
.calc-bullets { list-style: none; padding: 0; }
.calc-bullets li { padding: 0.4rem 0; padding-left: 1.5rem; position: relative; color: var(--color-text); }
.calc-bullets li::before { content: '✓'; position: absolute; left: 0; color: var(--color-success); font-weight: bold; }

.calc-box { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 2.5rem; box-shadow: var(--shadow); }
.calc-field { margin-bottom: 1.25rem; }
.calc-field label { display: block; margin-bottom: 0.5rem; color: var(--color-text); font-weight: 500; font-size: 0.9rem; }
.calc-field input { width: 100%; padding: 0.875rem 1rem; background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--border-radius-sm); color: var(--color-text); font-size: 1rem; transition: all 0.3s ease; }
.calc-field input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-light); }

.calc-result { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--color-border); }
.result-line { display: flex; justify-content: space-between; align-items: center; padding: 0.75rem 0; border-bottom: 1px solid var(--color-border); }
.result-line span { color: var(--color-text-muted); }
.result-line strong { font-size: 1.5rem; color: var(--color-danger); font-weight: 800; }
.calc-cta-text { color: var(--color-text); font-size: 0.95rem; margin: 1.25rem 0 1rem; text-align: center; }
.calc-capture { display: flex; gap: 0.75rem; }
.calc-capture input { flex: 1; padding: 0.875rem 1rem; background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--border-radius-sm); color: var(--color-text); font-size: 0.95rem; }
.calc-capture input:focus { outline: none; border-color: var(--color-primary); }
.calc-message { margin-top: 1rem; padding: 0.75rem; border-radius: var(--border-radius-sm); font-size: 0.9rem; font-weight: 600; text-align: center; }
.calc-message.success { background: rgba(16, 185, 129, 0.1); color: var(--color-success); border: 1px solid var(--color-success); }
.calc-message.error { background: rgba(239, 68, 68, 0.1); color: var(--color-danger); border: 1px solid var(--color-danger); }

/* How It Works */
.how-it-works { background: var(--color-bg); }
.steps-grid { display: flex; align-items: center; justify-content: center; gap: 1rem; }
@media (max-width: 768px) { .steps-grid { flex-direction: column; } .step-arrow { transform: rotate(90deg); } }
.step-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 2.5rem; text-align: center; flex: 1; max-width: 340px; position: relative; transition: var(--transition); box-shadow: var(--shadow-sm); }
.step-card:hover { border-color: var(--color-primary-light); box-shadow: var(--shadow); transform: translateY(-4px); }
.step-badge { display: inline-block; background: var(--color-primary-light); color: var(--color-primary-dark); padding: 0.35rem 1rem; border-radius: 20px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1.25rem; }
.step-icon { width: 64px; height: 64px; background: var(--color-primary-light); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 1.25rem; color: var(--color-primary); }
.step-card h3 { font-size: 1.15rem; margin-bottom: 0.75rem; color: var(--color-text); }
.step-card p { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.6; margin-bottom: 1rem; }
.step-time { display: inline-block; color: var(--color-primary); font-size: 0.85rem; font-weight: 600; }
.step-arrow { font-size: 2rem; color: var(--color-border); font-weight: 300; }

/* Results Section */
.results-section { background: var(--color-bg); }
.results-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-bottom: 3rem; }
@media (max-width: 768px) { .results-grid { grid-template-columns: 1fr; } }
.result-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 2.5rem; text-align: center; transition: var(--transition); box-shadow: var(--shadow-sm); }
.result-card:hover { border-color: var(--color-primary-light); box-shadow: var(--shadow); transform: translateY(-4px); }
.result-card.featured { border-color: var(--color-primary); box-shadow: 0 0 0 4px var(--color-primary-light); }
.result-metric { font-size: 3.5rem; font-weight: 800; color: var(--color-primary); line-height: 1; margin-bottom: 1rem; }
.result-card h4 { font-size: 1.15rem; color: var(--color-text); margin-bottom: 0.75rem; }
.result-card p { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.6; margin-bottom: 1rem; }
.result-client { font-size: 0.85rem; color: var(--color-text-light); font-style: italic; }

.testimonials-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
@media (max-width: 768px) { .testimonials-row { grid-template-columns: 1fr; } }
.testimonial-mini { background: var(--color-white); border-left: 3px solid var(--color-primary); padding: 1.5rem 2rem; border-radius: 0 12px 12px 0; margin: 0; box-shadow: var(--shadow-sm); }
.testimonial-mini p { color: var(--color-text); font-style: italic; margin-bottom: 0.75rem; line-height: 1.6; }
.testimonial-mini cite { color: var(--color-text-muted); font-size: 0.875rem; font-style: normal; font-weight: 600; }

/* Trust Section */
.trust-section { background: var(--color-bg-alt); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); padding: 2rem 0; text-align: center; }
.trust-label { color: var(--color-text-light); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 1.25rem; }
.logos-row { display: flex; justify-content: center; align-items: center; gap: 2.5rem; flex-wrap: wrap; }
.logo-item { color: var(--color-text-light); font-weight: 600; font-size: 0.95rem; opacity: 0.7; }

/* Services Grid (Home) */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.service-card { background-color: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 2rem; transition: var(--transition); box-shadow: var(--shadow-sm); }
.service-card:hover { transform: translateY(-5px); border-color: var(--color-primary-light); box-shadow: var(--shadow-lg); }
.service-icon { width: 64px; height: 64px; margin-bottom: 1.5rem; color: var(--color-primary); }
.default-icon { display: flex; align-items: center; justify-content: center; background: var(--color-primary-light); border-radius: 12px; }
.service-card h3 { margin-bottom: 0.75rem; font-size: 1.25rem; }

/* Responsive */
@media (max-width: 768px) {
    .menu-toggle { display: flex; }
    .nav-menu { display: none; position: absolute; top: 80px; left: 0; right: 0; background-color: var(--color-white); flex-direction: column; padding: 1.5rem; gap: 1rem; border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-lg); }
    .nav-menu.active { display: flex; }
    .about-grid, .contact-grid, .geo-grid { grid-template-columns: 1fr; }
    .hero-proof-bar { gap: 1.5rem; }
    .hero-ctas { flex-direction: column; align-items: center; }
    .btn-lg { width: 100%; max-width: 300px; justify-content: center; }
    .form-row { grid-template-columns: 1fr; }
    .hero-section { padding-top: 6rem; }
    .footer-bottom-container { flex-direction: column; text-align: center; }
    .footer-nav-menu, .legal-nav-menu { justify-content: center; }
    .chatbot-container { width: calc(100vw - 40px); right: 10px; }
    .crm-toolbar { flex-direction: column; align-items: stretch; }
    .crm-filters { flex-direction: column; }
    .steps-grid { flex-direction: column; }
    .step-arrow { transform: rotate(90deg); }
    .calc-grid { grid-template-columns: 1fr; }
    .calc-capture { flex-direction: column; }
    .results-grid { grid-template-columns: 1fr; }
    .testimonials-row { grid-template-columns: 1fr; }
    .faq-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .difference-grid { grid-template-columns: 1fr; }
    .catalog-grid { grid-template-columns: 1fr; }
    .addons-grid { grid-template-columns: 1fr; }
    .engagement-grid { grid-template-columns: 1fr; }
    .comparison-hero { flex-direction: column; gap: 1.5rem; }
}

.admin-bar .site-header { top: 32px; }
@media screen and (max-width: 782px) { .admin-bar .site-header { top: 46px; } }

/* ============================================
   v3.0.0 — v1.3.2 page inventory, v4.3 styling
   (Industries, Service detail, Privacy/Terms)
   ============================================ */

/* Industries */
.industries-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
@media (max-width: 992px) { .industries-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .industries-grid { grid-template-columns: 1fr; } }
.industry-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 2rem; transition: var(--transition); box-shadow: var(--shadow-sm); }
.industry-card:hover { transform: translateY(-4px); border-color: var(--color-primary-light); box-shadow: var(--shadow); }
.industry-card h3 { font-size: 1.15rem; margin-bottom: 0.75rem; }
.industry-card p { font-size: 0.95rem; margin-bottom: 1rem; }
.industry-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.industry-tag { font-size: 0.75rem; font-weight: 600; color: var(--color-primary); background: var(--color-primary-light); padding: 0.25rem 0.75rem; border-radius: 20px; }

/* Service detail */
.service-price-line { margin-top: 1.25rem; font-weight: 700; color: var(--color-primary); font-size: 0.95rem; }
.detail-grid { display: grid; grid-template-columns: 1.4fr 0.8fr; gap: 2.5rem; align-items: start; max-width: 1000px; margin: 0 auto; }
@media (max-width: 860px) { .detail-grid { grid-template-columns: 1fr; } }
.detail-list { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 2rem; box-shadow: var(--shadow-sm); margin: 0; }
.detail-list li { border-bottom: 1px solid var(--color-border); }
.detail-list li:last-child { border-bottom: none; }
.detail-aside .card { position: sticky; top: 100px; }
.detail-aside .card h3 { font-size: 1.25rem; }

/* Privacy / Terms legal doc */
.legal-doc { max-width: 820px; margin: 0 auto; background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 3rem; box-shadow: var(--shadow-sm); }
@media (max-width: 640px) { .legal-doc { padding: 1.5rem; } }
.legal-doc h2 { font-size: 1.25rem; margin: 2rem 0 0.75rem; }
.legal-doc h2:first-child { margin-top: 0; }
.legal-doc p, .legal-doc li { font-size: 0.95rem; color: var(--color-text-muted); line-height: 1.7; }
.legal-doc ul { padding-left: 1.5rem; margin-bottom: 1rem; }
.legal-doc li { padding: 0.15rem 0; }