/* ═══════════════════════════════════════════════════════════════════
   JMCQCS Corporate — Premium Clinical Intelligence Design System
   ═══════════════════════════════════════════════════════════════════ */

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

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-card-hover: rgba(248, 250, 252, 1);
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --accent-teal: #0284c7;
    --accent-cyan: #0891b2;
    --accent-emerald: #059669;
    --accent-violet: #7c3aed;
    --accent-amber: #d97706;
    --accent-red: #dc2626;
    --accent-pink: #db2777;
    --gradient-primary: linear-gradient(135deg, #0284c7, #0891b2);
    --gradient-hero: linear-gradient(135deg, #0284c7 0%, #7c3aed 50%, #db2777 100%);
    --border-subtle: rgba(0, 0, 0, 0.08);
    --glass: rgba(0, 0, 0, 0.02);
    --glass-border: rgba(0, 0, 0, 0.08);
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: 'Source Sans 3', 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: 'Inter', sans-serif; font-weight: 700; line-height: 1.2; }
a { color: var(--accent-teal); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-cyan); }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-dark { background: var(--bg-secondary); }

.section-label {
    font-size: 0.8rem; font-weight: 600; letter-spacing: 3px; text-transform: uppercase;
    color: var(--accent-teal); margin-bottom: 12px;
}
.section-title { font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: 16px; }
.section-sub { font-size: 1.1rem; color: var(--text-secondary); max-width: 680px; margin: 0 auto 48px; }
.section-label, .section-title, .section-sub { text-align: center; }

/* ── Buttons ──────────────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 32px; border-radius: 50px; font-weight: 600; font-size: 0.95rem;
    transition: all var(--transition); cursor: pointer; border: none;
}
.btn-primary {
    background: var(--gradient-primary); color: #fff;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(14, 165, 233, 0.45); color: #fff; }
.btn-outline {
    border: 1.5px solid var(--glass-border); color: var(--text-primary);
    background: var(--glass); backdrop-filter: blur(8px);
}
.btn-outline:hover { border-color: var(--accent-teal); color: var(--accent-teal); background: rgba(14, 165, 233, 0.08); }
.btn-lg { padding: 18px 40px; font-size: 1.05rem; }

/* ── Navbar ────────────────────────────────────────────────────────── */
#navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--transition), box-shadow var(--transition);
}
#navbar.scrolled { background: rgba(255, 255, 255, 0.98); box-shadow: 0 2px 20px rgba(0,0,0,0.08); }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo { display: flex; align-items: center; gap: 10px; color: var(--text-primary); font-weight: 800; font-size: 1.2rem; font-family: 'Inter', sans-serif; }
.nav-logo:hover { color: var(--text-primary); }
.nav-logo-img { height: 40px; width: auto; object-fit: contain; }
.nav-links { list-style: none; display: flex; gap: 32px; }
.nav-links a { color: var(--text-secondary); font-size: 0.9rem; font-weight: 500; transition: color var(--transition); }
.nav-links a:hover { color: var(--text-primary); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text-primary); margin: 5px 0; transition: var(--transition); }

/* ── Hero ──────────────────────────────────────────────────────────── */
#hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    overflow: hidden; background: linear-gradient(135deg, #f0f9ff 0%, #f8fafc 50%, #faf5ff 100%);
}
#kg-canvas {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0.25;
}
.hero-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(180deg, rgba(255,255,255,0.3) 0%, rgba(248,250,252,0.8) 100%);
}
.hero-content {
    position: relative; z-index: 2; max-width: 720px; padding: 0 24px;
    margin-left: max(24px, calc((100vw - 1200px) / 2 + 24px));
}
.hero-label { font-size: 0.85rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--accent-teal); margin-bottom: 16px; }
#hero h1 { font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 900; margin-bottom: 20px; }
.gradient-text {
    background: var(--gradient-hero); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-sub { font-size: 1.15rem; color: var(--text-secondary); margin-bottom: 36px; line-height: 1.8; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ── Stats ─────────────────────────────────────────────────────────── */
#stats {
    background: var(--bg-secondary); border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle); padding: 48px 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; text-align: center; }
.stat-number { display: block; font-size: 2.6rem; font-weight: 800; font-family: 'Inter', sans-serif; color: var(--accent-teal); }
.stat-label { display: block; font-size: 0.85rem; color: var(--text-secondary); margin-top: 4px; text-transform: uppercase; letter-spacing: 1px; }

/* ── Cards ─────────────────────────────────────────────────────────── */
.stakeholder-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card {
    background: var(--bg-card); border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg); padding: 36px 28px;
    transition: all var(--transition); position: relative; overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--gradient-primary); opacity: 0; transition: opacity var(--transition);
}
.card:hover { background: var(--bg-card-hover); transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,0.1); }
.card:hover::before { opacity: 1; }
.card-icon { margin-bottom: 20px; }
.card h3 { font-size: 1.15rem; margin-bottom: 12px; }
.card p { font-size: 0.92rem; color: var(--text-secondary); margin-bottom: 16px; }
.card-features { list-style: none; }
.card-features li {
    font-size: 0.85rem; color: var(--text-muted); padding: 4px 0; padding-left: 16px;
    position: relative;
}
.card-features li::before { content: '→'; position: absolute; left: 0; color: var(--accent-teal); }

/* ── Card Reveal Animation ────────────────────────────────────────── */
.card-reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.card-reveal.revealed { opacity: 1; transform: translateY(0); }

/* ── Knowledge Graph Demo ─────────────────────────────────────────── */
.kg-demo-container {
    position: relative; background: #f1f5f9; border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 24px;
}
#kg-demo { display: block; width: 100%; height: auto; cursor: crosshair; }
.kg-tooltip {
    position: absolute; display: none; padding: 10px 16px; background: rgba(255, 255, 255, 0.97);
    border: 1px solid var(--accent-teal); border-radius: 8px; font-size: 0.85rem;
    pointer-events: none; z-index: 10; max-width: 240px; color: var(--text-primary);
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}
.kg-tooltip.visible { display: block; }
.kg-layers { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.layer-item { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; color: var(--text-secondary); }
.layer-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }

/* ── Pipeline ─────────────────────────────────────────────────────── */
.pipeline { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 64px; }
.pipeline-step {
    flex: 1; background: var(--bg-card); border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg); padding: 32px 24px;
    transition: all var(--transition);
}
.pipeline-step:hover { background: var(--bg-card-hover); transform: translateY(-4px); }
.step-num {
    font-size: 2rem; font-weight: 900; font-family: 'Inter', sans-serif;
    background: var(--gradient-primary); -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; background-clip: text;
    margin-bottom: 16px;
}
.pipeline-step h3 { font-size: 1.05rem; margin-bottom: 10px; }
.pipeline-step p { font-size: 0.88rem; color: var(--text-secondary); }
.pipeline-arrow {
    font-size: 1.5rem; color: var(--accent-teal); padding-top: 60px;
    flex-shrink: 0; font-weight: 700;
}

/* ── Tech Stack ───────────────────────────────────────────────────── */
.tech-stack {
    background: var(--bg-card); border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg); padding: 40px; text-align: center;
}
.tech-title { font-size: 1.1rem; color: var(--text-secondary); font-weight: 600; margin-bottom: 24px; }
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tech-item {
    padding: 16px; border-radius: var(--radius); background: var(--glass);
    border: 1px solid var(--glass-border); transition: all var(--transition);
}
.tech-item:hover { border-color: var(--accent-teal); background: rgba(14, 165, 233, 0.06); }
.tech-name { display: block; font-weight: 700; font-family: 'Inter', sans-serif; font-size: 0.95rem; }
.tech-desc { display: block; font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

/* ── Benefits ─────────────────────────────────────────────────────── */
.benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.benefit-card {
    background: var(--bg-card); border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg); overflow: hidden;
    transition: all var(--transition);
}
.benefit-card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,0.1); }
.benefit-header {
    padding: 20px 28px; font-weight: 700; font-size: 1rem; font-family: 'Inter', sans-serif;
}
.benefit-header.employer { background: linear-gradient(135deg, rgba(14,165,233,0.2), rgba(6,182,212,0.1)); color: var(--accent-teal); border-bottom: 2px solid var(--accent-teal); }
.benefit-header.insurer { background: linear-gradient(135deg, rgba(139,92,246,0.2), rgba(139,92,246,0.1)); color: var(--accent-violet); border-bottom: 2px solid var(--accent-violet); }
.benefit-header.hospital { background: linear-gradient(135deg, rgba(245,158,11,0.2), rgba(245,158,11,0.1)); color: var(--accent-amber); border-bottom: 2px solid var(--accent-amber); }
.benefit-body { padding: 24px 28px; }
.benefit-body ul { list-style: none; }
.benefit-body li { padding: 8px 0; font-size: 0.92rem; color: var(--text-secondary); border-bottom: 1px solid var(--border-subtle); }
.benefit-body li:last-child { border: none; }
.benefit-body strong { color: var(--text-primary); }

/* ── Experiences ───────────────────────────────────────────────────── */
.exp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.exp-card {
    background: var(--bg-card); border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg); padding: 32px 28px;
    transition: all var(--transition);
}
.exp-card:hover { background: var(--bg-card-hover); transform: translateY(-4px); }
.exp-badge {
    display: inline-block; padding: 4px 12px; border-radius: 50px; font-size: 0.75rem;
    font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
    background: rgba(14, 165, 233, 0.12); color: var(--accent-teal);
    margin-bottom: 16px;
}
.exp-card h3 { font-size: 1.05rem; margin-bottom: 12px; }
.exp-card p { font-size: 0.9rem; color: var(--text-secondary); }

/* ── MyToFit Core Solution ───────────────────────────────────────── */
.mytofit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.mytofit-card {
    background: var(--bg-card); border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg); padding: 40px 32px;
    transition: all var(--transition); position: relative; overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.mytofit-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(135deg, #ef4444, #f59e0b, #0ea5e9);
    opacity: 0; transition: opacity var(--transition);
}
.mytofit-card:hover {
    background: var(--bg-card-hover); transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}
.mytofit-card:hover::before { opacity: 1; }
.mytofit-card-icon { margin-bottom: 24px; }
.mytofit-card h3 { font-size: 1.2rem; margin-bottom: 14px; }
.mytofit-card p { font-size: 0.92rem; color: var(--text-secondary); margin-bottom: 20px; line-height: 1.7; }
.mytofit-features { list-style: none; }
.mytofit-features li {
    font-size: 0.85rem; color: var(--text-muted); padding: 5px 0; padding-left: 20px;
    position: relative;
}
.mytofit-features li::before {
    content: '✦'; position: absolute; left: 0; color: var(--accent-teal); font-size: 0.7rem;
}

/* ── CTA ──────────────────────────────────────────────────────────── */
.section-cta {
    text-align: center;
    background: linear-gradient(135deg, rgba(2,132,199,0.06) 0%, rgba(124,58,237,0.06) 100%);
    border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle);
}
.section-cta h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin-bottom: 16px; }
.section-cta p { color: var(--text-secondary); max-width: 600px; margin: 0 auto 32px; }

/* ── Footer ───────────────────────────────────────────────────────── */
footer { background: var(--bg-secondary); padding: 64px 0 0; border-top: 1px solid var(--border-subtle); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; }
.footer-logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.1rem; font-family: 'Inter', sans-serif; margin-bottom: 12px; }
.footer-logo-img { height: 32px; width: auto; object-fit: contain; }
.footer-brand p { color: var(--text-secondary); font-size: 0.9rem; max-width: 320px; }
.footer-links h4, .footer-contact h4 { font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; color: var(--text-muted); }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: var(--text-secondary); font-size: 0.9rem; }
.footer-links a:hover { color: var(--text-primary); }
.footer-contact p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 8px; }
.footer-contact a { color: var(--text-secondary); }
.footer-contact a:hover { color: var(--accent-teal); }
.social-links { display: flex; gap: 12px; margin-top: 16px; }
.social-links a { color: var(--text-muted); transition: color var(--transition); }
.social-links a:hover { color: var(--accent-teal); }
.footer-bottom {
    margin-top: 48px; padding: 20px 0; border-top: 1px solid var(--border-subtle);
}
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }
.footer-bottom a { font-size: 0.8rem; color: var(--text-muted); }

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .stakeholder-grid { grid-template-columns: repeat(2, 1fr); }
    .pipeline { flex-direction: column; align-items: stretch; }
    .pipeline-arrow { text-align: center; padding: 4px 0; transform: rotate(90deg); }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .nav-links {
        display: none; position: absolute; top: 72px; left: 0; right: 0;
        background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(16px);
        flex-direction: column; padding: 24px; gap: 16px;
        border-bottom: 1px solid var(--border-subtle);
    }
    .nav-links.open { display: flex; }
    .hero-content { margin-left: 24px; }
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
    .stakeholder-grid { grid-template-columns: 1fr; }
    .benefits-grid { grid-template-columns: 1fr; }
    .exp-grid { grid-template-columns: 1fr; }
    .mytofit-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom .container { flex-direction: column; gap: 8px; text-align: center; }
    .section { padding: 64px 0; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
}