/* ============================================================
   MedLumen course-page design system (shared).
   Extracted from the MSRA SEO page so every standalone
   /course/* page renders with one identical, cached sheet.
   ============================================================ */

/* ═══════════════════════════════════════
     MEDLUMEN DESIGN SYSTEM — MSRA COURSE PAGE
     All styling matches the MedLumen brand
     ═══════════════════════════════════════ */
  :root {
    --bg: #f8f8f6;
    --surface: #ffffff;
    --surface2: #f2f1ed;
    --border: #e5e1d8;
    --ink: #1a1816;
    --muted: #6a6560;
    --dim: #a09a94;
    --accent: #0056D2;
    --accent-light: #edf3ff;
    --accent-border: #bdd0f5;
    --green: #14803a;
    --green-bg: #f0fdf4;
    --green-border: #86efac;
    --amber: #92400e;
    --amber-bg: #fffbeb;
    --amber-border: #fcd34d;
    --hero-from: #061a3a;
    --hero-to: #0a2d6e;
  }

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

  body {
    background: var(--bg);
    color: var(--ink);
    font-family: 'Outfit', -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

  /* ─── NAV (matches MedLumen nav) ─── */
  .site-nav {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    position: sticky;
    top: 0;
    z-index: 100;
  }

  .nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-weight: 800;
    font-size: 18px;
    color: var(--ink);
  }

  .nav-logo img { height: 28px; }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 14px;
  }

  .nav-links a { color: var(--muted); text-decoration: none; font-weight: 500; }
  .nav-links a:hover { color: var(--ink); }

  .nav-cta {
    display: flex;
    gap: 10px;
  }

  .btn-outline {
    font-size: 13px;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: 6px;
    border: 1px solid var(--border);
    color: var(--ink);
    background: none;
    text-decoration: none;
    transition: background .15s;
  }

  .btn-outline:hover { background: var(--surface2); }

  .btn-primary {
    font-size: 13px;
    font-weight: 700;
    padding: 8px 18px;
    border-radius: 6px;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    transition: opacity .15s;
  }

  .btn-primary:hover { opacity: .9; }

  /* ─── BREADCRUMB ─── */
  .breadcrumb {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 10px 32px;
    font-size: 12px;
    color: var(--dim);
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .breadcrumb a { color: var(--accent); text-decoration: none; }
  .breadcrumb a:hover { text-decoration: underline; }

  /* ─── HERO ─── */
  .hero {
    background: linear-gradient(135deg, var(--hero-from) 0%, var(--hero-to) 60%, #0a4aad 100%);
    padding: 72px 32px 80px;
    position: relative;
    overflow: hidden;
  }

  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
      radial-gradient(circle at 80% 20%, rgba(255,255,255,0.04) 0%, transparent 50%),
      radial-gradient(circle at 20% 80%, rgba(96,165,250,0.1) 0%, transparent 50%);
  }

  .hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
    background-size: 48px 48px;
  }

  .hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 48px;
    align-items: start;
  }

  .hero-eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: #60a5fa;
    margin-bottom: 16px;
  }

  .hero-eyebrow::before {
    content: '';
    width: 24px;
    height: 1px;
    background: #60a5fa;
    opacity: .7;
  }

  .hero h1 {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -.025em;
    color: #fff;
    margin-bottom: 18px;
  }

  .hero h1 em {
    font-style: normal;
    color: #60a5fa;
  }

  .hero-desc {
    font-size: 17px;
    font-weight: 400;
    color: rgba(255,255,255,.75);
    max-width: 560px;
    line-height: 1.65;
    margin-bottom: 32px;
  }

  .hero-stats {
    display: flex;
    gap: 32px;
    margin-bottom: 36px;
    flex-wrap: wrap;
  }

  .hero-stat { text-align: left; }

  .hero-stat-num {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    line-height: 1;
    display: block;
    margin-bottom: 3px;
  }

  .hero-stat-label {
    font-size: 12px;
    color: rgba(255,255,255,.5);
    letter-spacing: .03em;
  }

  .hero-pills {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 32px;
  }

  .hero-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.15);
    color: rgba(255,255,255,.9);
    font-size: 13px;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 100px;
  }

  .hero-cta-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
  }

  .hero-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    color: var(--accent);
    font-size: 15px;
    font-weight: 700;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    transition: transform .15s, box-shadow .15s;
  }

  .hero-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,.25);
  }

  .hero-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: rgba(255,255,255,.85);
    font-size: 14px;
    font-weight: 600;
    padding: 14px 24px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,.3);
    text-decoration: none;
    transition: background .15s;
  }

  .hero-btn-secondary:hover { background: rgba(255,255,255,.08); }

  .hero-no-card {
    font-size: 12px;
    color: rgba(255,255,255,.4);
    margin-top: 10px;
  }

  /* Hero side pricing card */
  .hero-price-card {
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 14px;
    padding: 28px 24px;
    min-width: 220px;
    backdrop-filter: blur(10px);
  }

  .hpc-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: rgba(255,255,255,.4);
    margin-bottom: 10px;
  }

  .hpc-price {
    font-size: 42px;
    font-weight: 800;
    color: #fff;
    line-height: 1;
    margin-bottom: 4px;
  }

  .hpc-price-sub {
    font-size: 13px;
    color: rgba(255,255,255,.5);
    margin-bottom: 20px;
  }

  .hpc-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
  }

  .hpc-features li {
    font-size: 13px;
    color: rgba(255,255,255,.75);
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .hpc-features li::before {
    content: '✓';
    color: #34d399;
    font-weight: 700;
    font-size: 12px;
    flex-shrink: 0;
  }

  .hpc-cta {
    display: block;
    text-align: center;
    background: var(--accent);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 11px;
    border-radius: 7px;
    text-decoration: none;
    transition: opacity .15s;
  }

  .hpc-cta:hover { opacity: .9; }

  /* ─── LAYOUT ─── */
  .page-body {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 32px 80px;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 56px;
    align-items: start;
  }

  .main-col { min-width: 0; padding-top: 56px; }

  /* ─── Section typography ─── */
  h2 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -.02em;
    color: var(--ink);
    margin-bottom: 16px;
    line-height: 1.2;
  }

  h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--ink);
    margin: 32px 0 12px;
  }

  p {
    font-size: 15.5px;
    line-height: 1.75;
    color: #333;
    margin-bottom: 18px;
    font-family: 'Merriweather', Georgia, serif;
    font-weight: 300;
  }

  p:last-child { margin-bottom: 0; }

  strong { font-weight: 700; color: var(--ink); font-family: 'Outfit', sans-serif; }

  ul, ol { padding-left: 22px; margin-bottom: 18px; }

  li {
    font-size: 15px;
    font-family: 'Merriweather', Georgia, serif;
    font-weight: 300;
    color: #333;
    margin-bottom: 8px;
    line-height: 1.65;
  }

  li strong { font-family: 'Outfit', sans-serif; }

  a.inline-link {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
    text-decoration-thickness: 1px;
  }

  .section-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 48px 0;
  }

  /* ─── Exam format cards ─── */
  .paper-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin: 24px 0;
  }

  .paper-card {
    border-radius: 12px;
    padding: 24px;
    border: 1px solid;
  }

  .paper-card.cps {
    background: var(--accent-light);
    border-color: var(--accent-border);
  }

  .paper-card.pd {
    background: var(--green-bg);
    border-color: var(--green-border);
  }

  .paper-card-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    margin-bottom: 8px;
  }

  .paper-card.cps .paper-card-label { color: var(--accent); }
  .paper-card.pd .paper-card-label { color: var(--green); }

  .paper-card-title {
    font-size: 17px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 12px;
    line-height: 1.3;
  }

  .paper-card-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
  }

  .paper-meta-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    padding: 6px 0;
    border-bottom: 1px solid rgba(0,0,0,.06);
  }

  .paper-meta-item:last-child { border-bottom: none; }

  .pmi-label { color: var(--muted); }
  .pmi-val { font-weight: 600; color: var(--ink); }

  .paper-topics {
    font-size: 12.5px;
    color: var(--muted);
    line-height: 1.6;
  }

  /* ─── Scoring bands ─── */
  .bands-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin: 20px 0;
  }

  .band-card {
    border-radius: 8px;
    padding: 16px 12px;
    text-align: center;
    border: 1px solid;
  }

  .band-num {
    font-size: 28px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 4px;
  }

  .band-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 4px;
  }

  .band-range {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    margin-bottom: 2px;
  }

  .band-desc { font-size: 11px; }

  .band-1 { background: #fef2f2; border-color: #fca5a5; }
  .band-1 .band-num, .band-1 .band-range { color: #991b1b; }
  .band-1 .band-title, .band-1 .band-desc { color: #b91c1c; }

  .band-2 { background: var(--amber-bg); border-color: var(--amber-border); }
  .band-2 .band-num, .band-2 .band-range { color: var(--amber); }
  .band-2 .band-title, .band-2 .band-desc { color: #92400e; }

  .band-3 { background: #eef4ff; border-color: var(--accent-border); }
  .band-3 .band-num, .band-3 .band-range { color: var(--accent); }
  .band-3 .band-title, .band-3 .band-desc { color: #1d4ed8; }

  .band-4 { background: var(--green-bg); border-color: var(--green-border); }
  .band-4 .band-num, .band-4 .band-range { color: var(--green); }
  .band-4 .band-title, .band-4 .band-desc { color: #14803a; }

  /* ─── Specialty table ─── */
  .specialty-wrap { overflow-x: auto; margin: 20px 0; border-radius: 10px; border: 1px solid var(--border); }

  table { width: 100%; border-collapse: collapse; font-size: 14px; }
  thead th {
    background: var(--ink);
    color: #fff;
    padding: 11px 14px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
  }
  tbody td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
    line-height: 1.5;
    color: #444;
    background: var(--surface);
  }
  tbody tr:nth-child(even) td { background: var(--surface2); }
  tbody tr:last-child td { border-bottom: none; }
  tbody td:first-child { font-weight: 600; color: var(--ink); }

  .badge-interview-only {
    font-size: 10px;
    padding: 2px 7px;
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fca5a5;
    border-radius: 4px;
    white-space: nowrap;
    font-weight: 600;
  }

  .badge-msra-only {
    font-size: 10px;
    padding: 2px 7px;
    background: var(--green-bg);
    color: var(--green);
    border: 1px solid var(--green-border);
    border-radius: 4px;
    white-space: nowrap;
    font-weight: 600;
  }

  /* ─── Callout ─── */
  .callout {
    border-left: 4px solid;
    border-radius: 0 8px 8px 0;
    padding: 16px 20px;
    margin: 24px 0;
    font-size: 14.5px;
    line-height: 1.7;
  }

  .callout-title {
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .callout p { color: #3d3d3d; margin: 0; font-family: 'Outfit', sans-serif; font-size: 14px; }
  .callout.tip { background: var(--green-bg); border-color: #16a34a; }
  .callout.tip .callout-title { color: var(--green); }
  .callout.info { background: var(--accent-light); border-color: var(--accent); }
  .callout.info .callout-title { color: var(--accent); }
  .callout.warning { background: var(--amber-bg); border-color: #d97706; }
  .callout.warning .callout-title { color: var(--amber); }

  /* ─── Study plan timeline ─── */
  .study-timeline { position: relative; padding-left: 28px; margin: 20px 0; }
  .study-timeline::before { content:''; position:absolute; left:8px; top:6px; bottom:6px; width:2px; background:var(--border); }
  .st-item { position:relative; margin-bottom:22px; }
  .st-dot { position:absolute; left:-25px; top:4px; width:12px; height:12px; border-radius:50%; background:var(--accent); border:2px solid var(--bg); box-shadow:0 0 0 2px var(--accent); }
  .st-phase { font-size:10px; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--accent); margin-bottom:3px; font-family:'JetBrains Mono',monospace; }
  .st-title { font-size:15px; font-weight:700; color:var(--ink); margin-bottom:5px; }
  .st-body { font-size:13.5px; color:var(--muted); line-height:1.65; font-family:'Merriweather',serif; font-weight:300; }

  /* ─── Features / Platform section ─── */
  .features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 20px 0;
  }

  .feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px 20px;
  }

  .feature-icon { font-size: 22px; margin-bottom: 8px; display: block; }
  .feature-title { font-size: 15px; font-weight: 700; color: var(--ink); margin-bottom: 5px; }
  .feature-desc { font-size: 13px; color: var(--muted); line-height: 1.6; }

  /* ─── Curriculum chips ─── */
  .curriculum-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0;
  }

  .chip {
    font-size: 13px;
    font-weight: 500;
    padding: 6px 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--ink);
    text-decoration: none;
    transition: background .15s, border-color .15s, color .15s;
  }

  .chip:hover {
    background: var(--accent-light);
    border-color: var(--accent-border);
    color: var(--accent);
  }

  /* ─── Pricing cards ─── */
  .pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin: 24px 0;
  }

  .pricing-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px 16px;
    text-align: center;
    position: relative;
  }

  .pricing-card.featured {
    background: var(--accent);
    border-color: var(--accent);
  }

  .pricing-card.featured .price-amount,
  .pricing-card.featured .price-period,
  .pricing-card.featured .price-plan,
  .pricing-card.featured .price-features li,
  .pricing-card.featured .price-note { color: rgba(255,255,255,.85) !important; }

  .best-value {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    background: #fff;
    color: var(--accent);
    padding: 3px 10px;
    border-radius: 20px;
    white-space: nowrap;
  }

  .price-plan {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--muted);
    margin-bottom: 6px;
  }

  .price-amount {
    font-size: 30px;
    font-weight: 800;
    color: var(--ink);
    line-height: 1;
    margin-bottom: 2px;
  }

  .price-period { font-size: 12px; color: var(--muted); margin-bottom: 14px; }

  .price-features {
    list-style: none;
    padding: 0;
    margin-bottom: 16px;
    text-align: left;
  }

  .price-features li {
    font-size: 12.5px;
    color: var(--muted);
    margin-bottom: 5px;
    padding-left: 16px;
    position: relative;
    font-family: 'Outfit', sans-serif;
    font-weight: 400;
  }

  .price-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: 700;
    font-size: 11px;
  }

  .price-btn {
    display: block;
    padding: 10px;
    border-radius: 7px;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: opacity .15s;
  }

  .price-btn-primary { background: #fff; color: var(--accent); }
  .price-btn-secondary { background: var(--accent); color: #fff; }
  .price-btn:hover { opacity: .9; }

  .price-note { font-size: 11px; color: var(--muted); margin-top: 8px; }

  /* ─── FAQ ─── */
  .faq-section { margin-top: 8px; }

  details {
    border-bottom: 1px solid var(--border);
  }

  details:first-of-type { border-top: 1px solid var(--border); }

  summary {
    padding: 16px 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    user-select: none;
  }

  summary::-webkit-details-marker { display: none; }

  summary::after {
    content: '+';
    font-size: 22px;
    font-weight: 300;
    color: var(--dim);
    flex-shrink: 0;
    line-height: 1;
  }

  details[open] summary::after { content: '−'; }

  .faq-answer {
    padding: 0 0 18px;
    font-family: 'Merriweather', Georgia, serif;
    font-weight: 300;
    font-size: 14.5px;
    line-height: 1.75;
    color: #444;
  }

  /* ─── CTA section ─── */
  .cta-section {
    background: linear-gradient(135deg, #061a3a, #0056D2);
    border-radius: 14px;
    padding: 36px 40px;
    margin: 48px 0;
    text-align: center;
  }

  .cta-section h2 {
    color: #fff;
    margin-bottom: 10px;
  }

  .cta-section p {
    color: rgba(255,255,255,.7);
    margin-bottom: 24px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    font-family: 'Outfit', sans-serif;
  }

  .cta-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
  }

  .cta-btn-white {
    display: inline-block;
    background: #fff;
    color: var(--accent);
    font-size: 14px;
    font-weight: 700;
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
  }

  .cta-btn-ghost {
    display: inline-block;
    background: transparent;
    color: rgba(255,255,255,.85);
    font-size: 14px;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,.3);
    text-decoration: none;
  }

  .cta-sub { font-size: 11px; color: rgba(255,255,255,.35); margin-top: 12px; font-family: 'Outfit', sans-serif; }

  /* ─── SIDEBAR ─── */
  .sidebar {
    position: sticky;
    top: 80px;
    padding-top: 56px;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .sb-cta-card {
    background: var(--accent);
    border-radius: 12px;
    padding: 24px 20px;
    color: #fff;
    text-align: center;
  }

  .sb-cta-card h4 {
    font-size: 17px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
    line-height: 1.3;
  }

  .sb-cta-card p {
    font-size: 13px;
    color: rgba(255,255,255,.7);
    margin-bottom: 16px;
    line-height: 1.5;
    font-family: 'Outfit', sans-serif;
  }

  .sb-btn {
    display: block;
    padding: 11px;
    border-radius: 7px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    margin-bottom: 8px;
    text-align: center;
    transition: opacity .15s;
  }

  .sb-btn:hover { opacity: .9; }
  .sb-btn-white { background: #fff; color: var(--accent); }
  .sb-btn-ghost { background: rgba(255,255,255,.1); color: #fff; border: 1px solid rgba(255,255,255,.2); }

  .sb-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px;
  }

  .sb-card-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--muted);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
  }

  .exam-fact { display: flex; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
  .exam-fact:last-child { border-bottom: none; }
  .ef-label { color: var(--muted); }
  .ef-val { font-weight: 600; color: var(--ink); text-align: right; }

  .sb-course-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 9px 0;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    color: var(--ink);
    transition: color .15s;
  }

  .sb-course-link:last-child { border-bottom: none; }
  .sb-course-link:hover { color: var(--accent); }
  .sb-course-arrow { font-size: 12px; color: var(--dim); }

  .app-download-strip {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .app-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--ink);
    color: #fff;
    text-decoration: none;
    padding: 10px 14px;
    border-radius: 8px;
    transition: opacity .15s;
  }

  .app-btn:hover { opacity: .85; }
  .app-icon { font-size: 18px; flex-shrink: 0; }
  .app-text-mini { font-size: 10px; color: rgba(255,255,255,.5); display: block; line-height: 1; }
  .app-text-name { font-size: 13px; font-weight: 700; color: #fff; display: block; line-height: 1.4; }

  /* ─── FOOTER ─── */
  .site-footer {
    background: var(--ink);
    color: rgba(255,255,255,.5);
    font-size: 13px;
    padding: 32px;
    text-align: center;
    margin-top: 64px;
  }

  .site-footer a { color: rgba(255,255,255,.6); text-decoration: none; }
  .site-footer a:hover { color: #fff; }

  /* ─── RESPONSIVE ─── */
  @media (max-width: 900px) {
    .page-body { grid-template-columns: 1fr; gap: 32px; }
    .sidebar { position: static; padding-top: 0; }
    .hero-inner { grid-template-columns: 1fr; }
    .hero-price-card { display: none; }
    .paper-grid { grid-template-columns: 1fr; }
    .bands-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .page-body { padding: 0 20px 60px; }
    .hero { padding: 48px 20px 56px; }
    .site-nav { padding: 0 20px; }
    .nav-links { display: none; }
  }

  @media (max-width: 560px) {
    body { font-size: 15px; }
    h2 { font-size: 24px; }
    .hero h1 { font-size: 28px; }
    .cta-section { padding: 28px 20px; }
    .cta-buttons { flex-direction: column; }
    .hero-stats { gap: 20px; }
  }