/* ============================================
   ExceedAbility — Shared Stylesheet
   ============================================ */

:root {
    --brand-primary: #246FC6;
    --brand-secondary: #1A5BA8;
    --brand-dark: #0D3B66;
    --brand-light: #e8f0fe;
    --text-dark: #1a1a1a;
    --text-body: #374151;
    --text-muted: #666;
    --bg-light: #f5f7fa;
    --bg-white: #ffffff;
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 25px rgba(0,0,0,0.12);
    --max-width: 1200px;
    --transition: 0.2s ease;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

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

a { color: var(--brand-primary); text-decoration: none; transition: color var(--transition); }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--brand-primary); outline-offset: 2px; border-radius: 2px; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4, h5, h6 { color: var(--text-dark); line-height: 1.3; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Beta Banner */
.beta-banner {
    background: linear-gradient(90deg, #f59e0b 0%, #d97706 100%);
    color: #fff;
    text-align: center;
    padding: 10px 24px;
    font-size: 0.875rem;
    font-weight: 500;
}
.beta-banner a {
    color: #fff;
    text-decoration: underline;
    font-weight: 600;
}
.beta-banner a:hover {
    color: #fef3c7;
}

/* Skip Link */
.skip-link { position: absolute; top: -50px; left: 16px; background: var(--brand-primary); color: #fff; padding: 10px 20px; border-radius: 0 0 var(--radius-sm) var(--radius-sm); z-index: 10000; font-weight: 600; font-size: 0.875rem; transition: top 0.3s; }
.skip-link:focus { top: 0; outline: 2px solid #fff; outline-offset: 2px; text-decoration: none; color: #fff; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.938rem; border: none; cursor: pointer; text-decoration: none; transition: all var(--transition); line-height: 1.4; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--brand-primary); color: #fff; }
.btn-primary:hover { background: var(--brand-secondary); color: #fff; }
.btn-secondary { background: var(--bg-white); color: var(--brand-primary); border: 2px solid var(--brand-primary); }
.btn-secondary:hover { background: var(--brand-light); color: var(--brand-secondary); }
.btn-large { padding: 16px 32px; font-size: 1.063rem; }

/* ===== HEADER ===== */
.site-header { background: var(--bg-white); padding: 16px 0; position: sticky; top: 0; z-index: 100; border-bottom: 1px solid var(--border-light); box-shadow: var(--shadow-sm); }
.header-container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.header-brand { display: flex; align-items: center; gap: 12px; }
.logo { display: flex; align-items: center; gap: 4px; font-size: 1.375rem; font-weight: 700; color: var(--text-dark); text-decoration: none; }
.logo:hover { text-decoration: none; }
.logo-exceed { color: var(--brand-primary); font-weight: 700; }
.logo-ability { color: var(--brand-primary); font-weight: 300; }
.site-description { font-size: 0.75rem; color: var(--text-muted); margin-left: 16px; padding-left: 16px; border-left: 1px solid var(--border-light); white-space: nowrap; }

.main-nav { display: flex; align-items: center; gap: 8px; }
.nav-list { display: flex; list-style: none; gap: 4px; }
.nav-list a { display: block; padding: 8px 16px; color: var(--text-body); font-size: 0.938rem; font-weight: 500; border-radius: var(--radius-sm); transition: all var(--transition); }
.nav-list a:hover { background: var(--bg-light); color: var(--brand-primary); text-decoration: none; }
.nav-cta { margin-left: 8px; }

.mobile-menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; background: none; border: none; cursor: pointer; }
.hamburger-line { display: block; width: 24px; height: 2px; background: var(--text-dark); border-radius: 2px; transition: all 0.3s; }

/* ===== SERVICE HERO ===== */
.service-hero { background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary)); color: #fff; padding: 48px 0 56px; }
.service-hero-content { max-width: 720px; }
.service-hero h1 { color: #fff; font-size: 2.25rem; font-weight: 700; margin-bottom: 16px; }
.service-hero-subtitle { font-size: 1.125rem; opacity: 0.9; line-height: 1.7; }

.breadcrumb { margin-bottom: 24px; }
.breadcrumb ol { display: flex; list-style: none; gap: 8px; font-size: 0.875rem; }
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before { content: '›'; color: rgba(255,255,255,0.6); }
.breadcrumb a { color: rgba(255,255,255,0.8); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb [aria-current] { color: #fff; font-weight: 500; }

/* ===== SERVICE PAGE LAYOUT ===== */
.service-overview { padding: 56px 0; }
.service-content-grid { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; }
.service-main-content h2 { font-size: 1.75rem; margin-bottom: 16px; }
.service-main-content h3 { font-size: 1.25rem; margin-top: 40px; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 2px solid var(--brand-light); }
.service-main-content p { margin-bottom: 16px; }
.lead { font-size: 1.125rem; color: var(--text-body); line-height: 1.7; }

.feature-list { list-style: none; margin-bottom: 16px; }
.feature-list li { padding: 16px 0; border-bottom: 1px solid var(--border-light); }
.feature-list li strong { display: block; font-size: 1rem; margin-bottom: 4px; color: var(--text-dark); }
.feature-list li p { margin-bottom: 0; font-size: 0.938rem; color: var(--text-muted); }

.process-list { list-style: none; counter-reset: process; }
.process-list li { counter-increment: process; padding: 16px 0 16px 48px; position: relative; border-bottom: 1px solid var(--border-light); }
.process-list li::before { content: counter(process); position: absolute; left: 0; top: 16px; width: 32px; height: 32px; background: var(--brand-primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.875rem; }
.process-list li strong { display: block; margin-bottom: 4px; color: var(--text-dark); }
.process-list li p { margin-bottom: 0; font-size: 0.938rem; color: var(--text-muted); }

.deliverables-list { list-style: none; margin-bottom: 16px; }
.deliverables-list li { padding: 10px 0 10px 28px; position: relative; border-bottom: 1px solid var(--border-light); }
.deliverables-list li::before { content: '✓'; position: absolute; left: 0; color: var(--brand-primary); font-weight: 700; }

.standards-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 16px; }
.standard-card { background: var(--bg-light); padding: 20px; border-radius: var(--radius-md); border: 1px solid var(--border-light); }
.standard-card h4 { font-size: 1rem; margin-bottom: 6px; color: var(--brand-primary); }
.standard-card p { font-size: 0.875rem; margin-bottom: 0; color: var(--text-muted); }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 16px; }
.feature-card { background: var(--bg-light); padding: 20px; border-radius: var(--radius-md); border: 1px solid var(--border-light); }
.feature-card h4 { font-size: 0.938rem; margin-bottom: 6px; color: var(--text-dark); }
.feature-card p { font-size: 0.875rem; margin-bottom: 0; color: var(--text-muted); }

.program-phases { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 16px; }
.phase-card { background: var(--bg-light); padding: 24px 20px; border-radius: var(--radius-md); border: 1px solid var(--border-light); text-align: center; }
.phase-number { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: var(--brand-primary); color: #fff; border-radius: 50%; font-weight: 700; font-size: 1rem; margin-bottom: 12px; }
.phase-card h4 { font-size: 1rem; margin-bottom: 8px; }
.phase-card p { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 0; }

.training-streams { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 16px; }
.stream-card { background: var(--bg-light); padding: 24px; border-radius: var(--radius-md); border: 1px solid var(--border-light); }
.stream-card h4 { font-size: 1.063rem; margin-bottom: 8px; color: var(--brand-primary); }
.stream-card > p { font-size: 0.938rem; margin-bottom: 12px; }
.stream-card ul { list-style: none; padding-left: 0; }
.stream-card ul li { padding: 4px 0 4px 20px; position: relative; font-size: 0.875rem; color: var(--text-muted); }
.stream-card ul li::before { content: '→'; position: absolute; left: 0; color: var(--brand-primary); }

/* ===== SIDEBAR ===== */
.service-sidebar { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 100px; }
.sidebar-card { background: var(--bg-light); padding: 24px; border-radius: var(--radius-md); border: 1px solid var(--border-light); }
.sidebar-card.highlight { background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary)); color: #fff; border: none; }
.sidebar-card.highlight h3 { color: #fff; }
.sidebar-card.highlight p { color: rgba(255,255,255,0.9); }
.sidebar-card h3 { font-size: 1.063rem; margin-bottom: 8px; }
.sidebar-card p { font-size: 0.938rem; margin-bottom: 16px; color: var(--text-muted); }
.sidebar-card .btn { width: 100%; justify-content: center; }
.related-services { list-style: none; }
.related-services li { border-bottom: 1px solid var(--border-light); }
.related-services li:last-child { border-bottom: none; }
.related-services a { display: block; padding: 10px 0; font-size: 0.938rem; }

/* ===== BLOG ===== */
.blog-section { padding: 56px 0; }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 48px; }
.blog-card { background: var(--bg-white); border: 1px solid var(--border-light); border-radius: var(--radius-md); overflow: hidden; transition: box-shadow var(--transition), transform var(--transition); }
.blog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.blog-card-content { padding: 24px; }
.blog-category { display: inline-block; padding: 4px 10px; background: var(--brand-light); color: var(--brand-primary); font-size: 0.75rem; font-weight: 600; text-transform: uppercase; border-radius: 4px; margin-bottom: 12px; letter-spacing: 0.03em; }
.blog-card h3 { font-size: 1.063rem; margin-bottom: 8px; line-height: 1.4; }
.blog-card h3 a { color: var(--text-dark); }
.blog-card h3 a:hover { color: var(--brand-primary); }
.blog-card p { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 12px; line-height: 1.6; }
.blog-meta { font-size: 0.813rem; color: var(--text-muted); }

.blog-newsletter { background: var(--bg-light); padding: 40px; border-radius: var(--radius-lg); text-align: center; border: 1px solid var(--border-light); }
.blog-newsletter h3 { font-size: 1.375rem; margin-bottom: 8px; }
.blog-newsletter p { color: var(--text-muted); margin-bottom: 20px; }
.newsletter-form { max-width: 480px; margin: 0 auto; }
.newsletter-input-group { display: flex; gap: 8px; }
.newsletter-input-group input { flex: 1; padding: 12px 16px; border: 1px solid var(--border-medium); border-radius: var(--radius-sm); font-size: 0.938rem; font-family: inherit; }
.newsletter-input-group input:focus { outline: 2px solid var(--brand-primary); outline-offset: -1px; border-color: var(--brand-primary); }

/* ===== FAQ ===== */
.faq-section { padding: 56px 0; }
.faq-content { max-width: 800px; margin: 0 auto; }
.faq-group { margin-bottom: 32px; }
.faq-group-title { font-size: 1.25rem; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 2px solid var(--brand-light); color: var(--brand-primary); }
.faq-item { border: 1px solid var(--border-light); border-radius: var(--radius-sm); margin-bottom: 8px; overflow: hidden; }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; background: var(--bg-white); border: none; cursor: pointer; font-size: 1rem; font-weight: 600; font-family: inherit; color: var(--text-dark); text-align: left; transition: background var(--transition); gap: 16px; }
.faq-question:hover { background: var(--bg-light); }
.faq-question::after { content: '+'; font-size: 1.25rem; font-weight: 400; color: var(--brand-primary); flex-shrink: 0; transition: transform 0.3s; }
.faq-item.active .faq-question::after { content: '−'; }
.faq-answer { padding: 0 20px; max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; }
.faq-item.active .faq-answer { padding: 0 20px 20px; max-height: 500px; }
.faq-answer p { font-size: 0.938rem; color: var(--text-body); line-height: 1.7; }
.faq-answer ul { margin: 8px 0; padding-left: 20px; }
.faq-answer li { font-size: 0.938rem; color: var(--text-body); margin-bottom: 4px; }

/* ===== CTA SECTION ===== */
.cta-section { background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary)); color: #fff; text-align: center; padding: 64px 24px; }
.cta-section h2 { color: #fff; font-size: 1.75rem; margin-bottom: 12px; }
.cta-section p { font-size: 1.063rem; opacity: 0.9; margin-bottom: 24px; }
.cta-section .btn-primary { background: #fff; color: var(--brand-primary); }
.cta-section .btn-primary:hover { background: #f0f0f0; color: var(--brand-secondary); }

/* ===== FOOTER ===== */
.site-footer { background: linear-gradient(180deg, #1a1a2e 0%, #16162a 100%); color: #ccc; padding: 56px 0 0; }
.footer-content { display: grid; grid-template-columns: 1.2fr 2fr; gap: 48px; margin-bottom: 40px; }
.footer-brand .logo, .footer-brand .footer-logo { color: #fff; margin-bottom: 12px; }
.footer-brand .logo-exceed, .footer-brand .footer-logo .logo-exceed { color: #fff; }
.footer-brand .logo-ability, .footer-brand .footer-logo .logo-ability { color: rgba(255,255,255,0.7); }
.footer-tagline { font-size: 0.875rem; color: rgba(255,255,255,0.6); margin-bottom: 16px; }
.footer-address { font-style: normal; font-size: 0.875rem; line-height: 1.8; }
.footer-address a { color: rgba(255,255,255,0.7); }
.footer-address a:hover { color: #fff; }

.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-nav-column h3 { color: #fff; font-size: 0.875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 16px; }
.footer-nav-column ul { list-style: none; }
.footer-nav-column li { margin-bottom: 8px; }
.footer-nav-column a { color: rgba(255,255,255,0.6); font-size: 0.875rem; transition: color var(--transition); }
.footer-nav-column a:hover { color: #fff; text-decoration: none; }

.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.813rem; color: rgba(255,255,255,0.4); }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { color: rgba(255,255,255,0.4); font-size: 0.813rem; }
.footer-legal a:hover { color: rgba(255,255,255,0.7); text-decoration: none; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .service-content-grid { grid-template-columns: 1fr; }
    .service-sidebar { position: static; display: grid; grid-template-columns: repeat(3, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .program-phases { grid-template-columns: repeat(2, 1fr); }
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-content { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .header-container { flex-wrap: wrap; }
    .site-description { display: none; }
    .mobile-menu-toggle { display: flex; }
    .nav-list { display: none; width: 100%; flex-direction: column; padding-top: 16px; border-top: 1px solid var(--border-light); }
    .nav-list.active { display: flex; }
    .nav-cta { display: none; }
    .main-nav { flex-wrap: wrap; width: 100%; justify-content: flex-end; }
    .service-hero h1 { font-size: 1.75rem; }
    .service-sidebar { grid-template-columns: 1fr; }
    .standards-grid, .training-streams { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .program-phases { grid-template-columns: 1fr 1fr; }
    .blog-grid { grid-template-columns: 1fr; }
    .newsletter-input-group { flex-direction: column; }
    .footer-nav { grid-template-columns: 1fr; gap: 24px; }
    .footer-bottom { flex-direction: column; text-align: center; gap: 12px; }
}

@media (max-width: 480px) {
    .program-phases { grid-template-columns: 1fr; }
    .blog-newsletter { padding: 24px 16px; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}