/* ═══════════════════════════════════════════════════════════════════
   NudgeWell Wellness Programs — Shared Styles
   Design system: dark/mint, Space Grotesk + DM Sans
   ═══════════════════════════════════════════════════════════════════ */

:root {
  --mint:          #10B981;
  --mint-light:    #34D399;
  --mint-dark:     #059669;
  --mint-glow:     rgba(16, 185, 129, 0.15);
  --deep:          #0B1221;
  --surface:       #111B2E;
  --surface-2:     #162236;
  --surface-3:     #1D2D44;
  --border:        rgba(16, 185, 129, 0.12);
  --border-subtle: rgba(148, 163, 184, 0.1);
  --text-primary:  #F1F5F9;
  --text-secondary:#94A3B8;
  --text-muted:    #64748B;
  --danger:        #EF4444;
  --warning:       #F59E0B;
  --success:       #10B981;
  --navy:          #1E293B;
  --radius:        12px;
  --radius-sm:     8px;
  --radius-lg:     16px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--deep);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.15;
  font-weight: 700;
}

a { color: var(--mint); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--mint-light); }

img { max-width: 100%; display: block; }

/* ─── Layout ─────────────────────────────────────────── */
.container { max-width: 1120px; margin: 0 auto; padding: 0 48px; }
.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 48px; }

/* ─── Nav ─────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; width: 100%;
  padding: 18px 48px;
  display: flex; justify-content: space-between; align-items: center;
  z-index: 100;
  backdrop-filter: blur(24px);
  background: rgba(11, 18, 33, 0.85);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-left { display: flex; align-items: center; gap: 20px; }

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem; font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary); text-decoration: none;
}
.logo span { color: var(--mint); }

.nav-badge {
  font-size: 0.65rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--mint-glow); color: var(--mint);
  border: 1px solid var(--border);
  padding: 3px 8px; border-radius: 99px;
}

.nav-links { display: flex; gap: 8px; align-items: center; }

.nav-link {
  font-size: 0.875rem; font-weight: 500;
  color: var(--text-secondary); text-decoration: none;
  padding: 6px 12px; border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }

.nav-cta {
  font-size: 0.875rem; font-weight: 600;
  background: var(--mint); color: var(--deep);
  padding: 8px 18px; border-radius: var(--radius-sm);
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--mint-light); color: var(--deep); }

/* Mobile nav */
@media (max-width: 768px) {
  nav { padding: 14px 20px; }
  .container, .container-narrow { padding: 0 20px; }
  .nav-links { display: none; }
}

/* ─── Footer ─────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0 32px;
  margin-top: 80px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  margin-bottom: 48px;
}
.footer-brand p {
  color: var(--text-secondary); font-size: 0.9rem;
  line-height: 1.65; margin-top: 12px; max-width: 280px;
}
.footer-col h4 {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-muted);
  margin-bottom: 16px;
}
.footer-col a {
  display: block; color: var(--text-secondary); font-size: 0.9rem;
  margin-bottom: 10px; transition: color 0.2s;
}
.footer-col a:hover { color: var(--mint); }
.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  color: var(--text-muted); font-size: 0.825rem;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

/* ─── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.95rem; cursor: pointer;
  transition: all 0.2s; border: none; text-decoration: none;
}
.btn-primary {
  background: var(--mint); color: var(--deep);
}
.btn-primary:hover { background: var(--mint-light); color: var(--deep); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
}
.btn-outline:hover { border-color: var(--mint); color: var(--mint); }

.btn-ghost {
  background: transparent; color: var(--mint);
  padding: 10px 20px;
}
.btn-ghost:hover { color: var(--mint-light); }

.btn-sm { padding: 8px 16px; font-size: 0.875rem; }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }

/* ─── Badges / Pills ─────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.04em;
  padding: 4px 10px; border-radius: 99px;
}
.badge-mint {
  background: var(--mint-glow); color: var(--mint);
  border: 1px solid var(--border);
}
.badge-warning {
  background: rgba(245, 158, 11, 0.12);
  color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.2);
}
.badge-danger {
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ─── Cards ─────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.card:hover {
  border-color: var(--border);
  box-shadow: 0 0 0 1px var(--border), 0 8px 32px rgba(16, 185, 129, 0.06);
}
.card-mint { border-color: rgba(16, 185, 129, 0.25); }

/* ─── Section spacing ─────────────────────────────────── */
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-lg { padding: 120px 0; }

.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--mint);
  margin-bottom: 16px;
}

/* ─── Typography ─────────────────────────────────────── */
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 700; margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.section-subtitle {
  font-size: 1.1rem; color: var(--text-secondary);
  line-height: 1.7; max-width: 600px;
  margin-bottom: 48px;
}
.lead {
  font-size: 1.2rem; color: var(--text-secondary);
  line-height: 1.75;
}

/* ─── Hero section ─────────────────────────────────── */
.hero {
  padding: 140px 0 80px;
  text-align: center;
}
.hero .section-title { font-size: clamp(2rem, 5vw, 3.25rem); }
.hero .section-subtitle { max-width: 640px; margin: 0 auto 36px; }

/* ─── Stats row ─────────────────────────────────────── */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px; margin: 48px 0;
}
.stat-card {
  background: var(--surface); border: 1px solid var(--border-subtle);
  border-radius: var(--radius); padding: 24px; text-align: center;
}
.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.25rem; font-weight: 700; color: var(--mint);
  margin-bottom: 4px;
}
.stat-label { font-size: 0.875rem; color: var(--text-secondary); }

/* ─── Content Grid ─────────────────────────────────────── */
.programs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px; margin-top: 40px;
}
.program-card {
  background: var(--surface); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 28px;
  transition: all 0.25s;
  text-decoration: none; color: inherit;
  display: block;
}
.program-card:hover {
  border-color: var(--mint); transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(16, 185, 129, 0.1);
}
.program-card-icon {
  width: 48px; height: 48px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 16px;
}
.program-card h3 {
  font-size: 1.1rem; font-weight: 700; margin-bottom: 8px;
  color: var(--text-primary);
}
.program-card p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; }
.program-card-footer {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 20px; padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}
.program-card .arrow { color: var(--mint); font-size: 1.25rem; }

/* ─── Sidebar layout ─────────────────────────────────── */
.page-layout {
  display: grid; grid-template-columns: 260px 1fr; gap: 48px;
  padding: 120px 0 80px;
  align-items: start;
}
.sidebar {
  position: sticky; top: 90px;
  background: var(--surface); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 24px;
}
.sidebar-section { margin-bottom: 28px; }
.sidebar-section h4 {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-muted);
  margin-bottom: 12px;
}
.sidebar-link {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.875rem; color: var(--text-secondary);
  padding: 7px 10px; border-radius: var(--radius-sm);
  transition: all 0.2s; text-decoration: none; margin-bottom: 4px;
}
.sidebar-link:hover, .sidebar-link.active {
  color: var(--mint); background: var(--mint-glow);
}
.sidebar-link .icon { font-size: 1rem; width: 20px; text-align: center; }

@media (max-width: 900px) {
  .page-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}

/* ─── Article content ─────────────────────────────────── */
.article-body { max-width: 720px; }
.article-meta {
  display: flex; gap: 20px; flex-wrap: wrap;
  font-size: 0.8rem; color: var(--text-muted);
  margin-bottom: 28px; padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}
.article-body h2 {
  font-size: 1.6rem; margin: 40px 0 16px;
  color: var(--text-primary);
}
.article-body h3 { font-size: 1.2rem; margin: 32px 0 12px; }
.article-body p { margin-bottom: 20px; color: var(--text-secondary); line-height: 1.8; }
.article-body ul, .article-body ol {
  margin: 0 0 20px 24px; color: var(--text-secondary);
}
.article-body li { margin-bottom: 8px; line-height: 1.7; }
.article-body strong { color: var(--text-primary); font-weight: 600; }

.info-box {
  background: var(--surface-2); border-left: 3px solid var(--mint);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px; margin: 24px 0;
  font-size: 0.925rem; color: var(--text-secondary); line-height: 1.7;
}
.info-box strong { color: var(--mint); }

.cta-box {
  background: linear-gradient(135deg, rgba(16,185,129,0.08) 0%, rgba(16,185,129,0.03) 100%);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-lg); padding: 32px; margin: 40px 0;
  text-align: center;
}
.cta-box h3 { font-size: 1.4rem; margin-bottom: 12px; }
.cta-box p { color: var(--text-secondary); margin-bottom: 20px; font-size: 0.95rem; }

/* ─── FAQ accordion ─────────────────────────────────── */
.faq-item {
  border-bottom: 1px solid var(--border-subtle);
  padding: 20px 0;
}
.faq-item:last-child { border-bottom: none; }
.faq-question {
  font-size: 1rem; font-weight: 600; color: var(--text-primary);
  cursor: pointer; display: flex; justify-content: space-between;
  align-items: center; gap: 16px; padding: 4px 0;
  background: none; border: none; width: 100%; text-align: left;
  font-family: inherit;
}
.faq-question:hover { color: var(--mint); }
.faq-answer {
  font-size: 0.9rem; color: var(--text-secondary); line-height: 1.75;
  padding: 8px 0; display: none;
}
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-icon { transform: rotate(180deg); }
.faq-icon { transition: transform 0.25s; color: var(--mint); }

/* ─── Divider ─────────────────────────────────────────── */
.divider {
  border: none; border-top: 1px solid var(--border-subtle);
  margin: 48px 0;
}

/* ─── Scroll to top ─────────────────────────────────── */
.scroll-top {
  position: fixed; bottom: 32px; right: 32px;
  width: 44px; height: 44px;
  background: var(--mint); color: var(--deep);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; cursor: pointer; border: none; z-index: 50;
  transition: background 0.2s; box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
}
.scroll-top:hover { background: var(--mint-light); }

/* ─── Table of contents ──────────────────────────────── */
.toc {
  background: var(--surface-2); border: 1px solid var(--border-subtle);
  border-radius: var(--radius); padding: 20px 24px;
  margin-bottom: 32px;
}
.toc h3 {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 12px;
}
.toc a {
  display: block; font-size: 0.875rem; color: var(--text-secondary);
  padding: 5px 0; transition: color 0.2s;
}
.toc a:hover { color: var(--mint); }

/* ─── Check list ─────────────────────────────────────── */
.check-list { list-style: none; margin: 16px 0; }
.check-list li {
  display: flex; align-items: flex-start; gap: 10px;
  margin-bottom: 10px; font-size: 0.925rem; color: var(--text-secondary);
}
.check-icon { color: var(--mint); font-weight: 700; flex-shrink: 0; margin-top: 2px; }

/* ─── Coverage bands ─────────────────────────────────── */
.coverage-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px; margin: 20px 0;
}
.coverage-item {
  background: var(--surface-2); border: 1px solid var(--border-subtle);
  border-radius: var(--radius); padding: 16px 20px;
}
.coverage-item h4 { font-size: 0.875rem; font-weight: 600; margin-bottom: 4px; }
.coverage-item p { font-size: 0.8rem; color: var(--text-muted); }

/* ─── Responsive utilities ───────────────────────────── */
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-lg { padding: 80px 0; }
  .hero { padding: 110px 0 60px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .article-body h2 { font-size: 1.35rem; }
}

/* ─── Animate-in on scroll ─────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.5s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }