/* ============================================
   Tarifit Cursus - Stylesheet
   Sober book-like design with Riffijns red accent
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,500;0,600;0,700;1,500;1,600&family=Literata:ital,opsz,wght@0,7..72,400;0,7..72,500;0,7..72,600;0,7..72,700;1,7..72,400;1,7..72,500&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Colors */
  --bg: #faf8f3;
  --bg-warm: #f4efe6;
  --text: #1a1a1a;
  --text-soft: #5a5a5a;
  --text-muted: #8a8a8a;
  --accent: #9b2226;
  --accent-hover: #7a1a1d;
  --accent-soft: #c97478;
  --ochre: #d4a373;
  --rule: #e6e3dc;
  --rule-strong: #c4bfb3;

  /* Typography */
  /* Typography — Literata (body) + Cormorant Garamond (titels); goede Latin-ext / diakritiek */
  --font-serif: 'Literata', 'Georgia', serif;
  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Sizes */
  --reading-width: 680px;
  --sidebar-width: 280px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  font-feature-settings: "kern", "liga", "onum";
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Top navigation bar
   ============================================ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(8px);
  background-color: rgba(250, 248, 243, 0.92);
}

.topbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

/* Rif-rood “diamant” (ⵣ / Yaz-assoc.); neutral zonder extra glyphs */
.brand-mark {
  display: inline-block;
  width: 20px;
  height: 20px;
  background: linear-gradient(145deg, var(--accent) 0%, #c43e42 100%);
  transform: rotate(45deg);
  border-radius: 3px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
  flex-shrink: 0;
}

.brand-accent { color: var(--accent); }

.topnav {
  display: flex;
  gap: 28px;
  margin-left: auto;
  align-items: center;
}

.topnav a {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--text-soft);
  text-decoration: none;
  position: relative;
  padding: 4px 0;
  transition: color 0.15s ease;
}

.topnav a:hover { color: var(--text); }

.topnav a.active {
  color: var(--accent);
  font-weight: 600;
}

.topnav a.active::after {
  content: '';
  position: absolute;
  bottom: -22px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
}

.topnav a.nav-quiet {
  font-size: 14px;
  color: var(--text-muted);
}

.topnav a.nav-quiet:hover {
  color: var(--text);
}

.topnav a.nav-quiet.active {
  color: var(--accent);
  font-weight: 600;
}

.topnav a.nav-quiet.active::after {
  display: none;
}

/* ============================================
   Layout: home page
   ============================================ */

.home {
  max-width: 880px;
  margin: 0 auto;
  padding: 64px 32px 96px;
}

.hero {
  text-align: center;
  padding: 48px 0 72px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 64px;
}

.hero-eyebrow {
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 84px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 24px;
  font-weight: 600;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}

.hero-sub {
  font-size: 21px;
  color: var(--text-soft);
  line-height: 1.55;
  max-width: 600px;
  margin: 0 auto;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 64px;
}

.card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--bg-warm);
  border: 1px solid var(--rule);
  padding: 32px 28px;
  border-radius: 4px;
  transition: all 0.2s ease;
  position: relative;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(155, 34, 38, 0.08);
}

.card-num {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 500;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.card-desc {
  font-size: 15px;
  color: var(--text-soft);
  line-height: 1.55;
  margin: 0;
}

.intro-section {
  margin-top: 48px;
}

.intro-section h2 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 500;
  margin: 0 0 24px;
  letter-spacing: -0.01em;
}

.intro-section p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text);
  margin: 0 0 18px;
}

/* ============================================
   Layout: app pages (cursus + uitleg)
   Sidebar + content
   ============================================ */

.app {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  gap: 64px;
  padding: 32px;
}

.sidebar {
  position: sticky;
  top: 80px;
  height: calc(100vh - 100px);
  overflow-y: auto;
  padding-right: 16px;
  font-size: 15px;
}

.sidebar-title {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 16px;
}

.sidebar-section {
  margin-bottom: 28px;
}

.sidebar-section-label {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 8px;
  font-weight: 600;
}

.sidebar a {
  display: block;
  padding: 6px 12px 6px 0;
  color: var(--text-soft);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.4;
  border-left: 2px solid transparent;
  padding-left: 12px;
  margin-left: -14px;
  transition: all 0.15s ease;
}

.sidebar a:hover {
  color: var(--text);
  background: var(--bg-warm);
}

.sidebar a.active {
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 600;
}

.sidebar a .num {
  display: inline-block;
  width: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.sidebar a.active .num { color: var(--accent); }

/* Content area */
.content {
  max-width: var(--reading-width);
  padding-bottom: 120px;
}

.content section { 
  margin-bottom: 80px;
  scroll-margin-top: 100px;
}

.content section + section {
  border-top: 1px solid var(--rule);
  padding-top: 80px;
}

/* Typography in content */
.content h1 {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 16px;
}

.content h2 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin: 56px 0 16px;
}

.content h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 40px 0 12px;
}

/* Subkoppen binnen een les (vroeger h4): zelfde visuele hiërarchie als les 01–05 */
.content h3.lesson-sub {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  margin: 32px 0 8px;
  color: var(--accent);
}

.content p {
  margin: 0 0 16px;
}

.content strong {
  font-weight: 600;
  font-size: inherit;
}

.lesson-oef-link {
  margin: 28px 0 8px;
  font-size: 16px;
}

.lesson-oef-link a {
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-soft);
  padding-bottom: 1px;
  transition: color 0.12s ease, border-color 0.12s ease;
}

.lesson-oef-link a:hover {
  color: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* Oefeningenpagina */
.oef-quick-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 24px 0 40px;
  padding: 14px 16px;
  background: var(--bg-warm);
  border: 1px solid var(--rule);
  border-radius: 6px;
}

.oef-quick-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  padding: 6px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-soft);
  text-decoration: none;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--bg);
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.oef-quick-nav a:hover {
  color: var(--accent);
  border-color: var(--accent-soft);
  background: #fff;
}

.oef-back {
  font-size: 15px;
  margin: 0 0 20px;
}

.oef-back a {
  color: var(--accent);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--accent-soft);
}

.oef-back a:hover {
  color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.oef-lesson {
  margin-bottom: 56px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--rule);
}

.oef-lesson:last-of-type {
  border-bottom: none;
}

.oef-placeholder {
  background: var(--bg-warm) !important;
  border-color: var(--rule) !important;
}

.content ul, .content ol { 
  margin: 0 0 18px; 
  padding-left: 1.4em;
}

.content li { margin-bottom: 6px; }

.eyebrow {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}

.lead {
  font-size: 21px;
  line-height: 1.55;
  color: var(--text-soft);
  margin: 0 0 32px;
  font-weight: 400;
}

/* Tarifit examples and inline */
em, i { font-style: italic; }

.tar {
  font-style: italic;
  color: var(--accent);
  font-weight: 500;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

/* Tables */
.content table {
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 16px;
  width: 100%;
}

.content th, .content td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

.content th {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--text);
  background: var(--bg-warm);
  border-bottom: 2px solid var(--rule-strong);
  font-size: 14px;
  letter-spacing: 0.02em;
}

.content tr:hover { background: rgba(155, 34, 38, 0.02); }

/* Boxes */
.box {
  background: var(--bg-warm);
  border-left: 3px solid var(--accent);
  padding: 20px 24px;
  margin: 24px 0;
  border-radius: 0 4px 4px 0;
}

.box-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.01em;
  margin-bottom: 8px;
  color: var(--accent);
}

.box.tip { border-left-color: var(--ochre); }
.box.tip .box-title { color: #a07b3d; }

.box.warn { 
  border-left-color: #b85c00;
  background: #fff4e6;
}
.box.warn .box-title { color: #b85c00; }

/* Footnote / source */
.source {
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 8px;
}

/* Code/transcription */
code, kbd {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--bg-warm);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--accent);
}

/* Lesson nav (next/previous) */
.lesson-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
}

.lesson-nav a {
  flex: 1;
  display: block;
  padding: 16px 20px;
  background: var(--bg-warm);
  border: 1px solid var(--rule);
  border-radius: 4px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.15s ease;
}

.lesson-nav a:hover {
  border-color: var(--accent);
  background: white;
}

.lesson-nav .label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.lesson-nav .title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 16px;
}

.lesson-nav a.next { text-align: right; }

/* Cross-link to other layers */
.crosslinks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 48px;
  padding: 24px;
  background: var(--bg-warm);
  border-radius: 4px;
  border: 1px solid var(--rule);
}

.crosslinks a {
  display: block;
  text-decoration: none;
  color: var(--text);
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 4px;
  transition: all 0.15s ease;
}

.crosslinks a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.crosslinks .crosslabel {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.crosslinks .crossname {
  font-family: var(--font-display);
  font-weight: 500;
}

/* Boek page (PDF embed) */
.boek-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px;
}

.boek-intro {
  max-width: var(--reading-width);
  margin: 0 auto 32px;
}

.pdf-embed {
  width: 100%;
  height: calc(100vh - 200px);
  border: 1px solid var(--rule);
  border-radius: 4px;
}

/* Footer */
footer {
  border-top: 1px solid var(--rule);
  padding: 48px 32px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 64px;
}

/* ============================================
   Exercises (oefeningen)
   ============================================ */

.exercises {
  margin-top: 48px;
  padding: 28px;
  background: var(--bg-warm);
  border: 1px solid var(--rule);
  border-radius: 6px;
}

.exercises-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}

.exercises-header h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

.exercises-progress {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}

.exercises-progress strong { color: var(--accent); font-weight: 600; }

.exercise {
  margin-bottom: 24px;
  padding: 20px;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 4px;
  transition: border-color 0.15s ease;
}

.exercise.is-correct { border-left: 3px solid #4a7c2a; }
.exercise.is-wrong { border-left: 3px solid var(--accent); }

.exercise:last-child { margin-bottom: 0; }

.exercise-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 600;
}

.exercise-prompt {
  font-size: 17px;
  margin: 0 0 16px;
  line-height: 1.5;
}

.exercise-prompt .tar {
  font-style: italic;
  color: var(--accent);
  font-weight: 500;
}

.exercise-prompt .blank {
  display: inline-block;
  min-width: 80px;
  padding: 0 6px;
  border-bottom: 2px solid var(--accent);
  text-align: center;
  font-style: italic;
  color: var(--accent);
}

.content .exercise-options {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.content .exercise-options li {
  margin: 0;
  padding: 0;
  list-style: none;
}

.exercise-opt {
  display: block;
  width: 100%;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 16px;
  background: var(--bg);
  border: 1px solid var(--rule);
  padding: 12px 16px;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text);
  transition: all 0.12s ease;
}

.exercise-opt:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--bg-warm);
}

.exercise-opt.is-correct {
  border-color: #4a7c2a;
  background: #ecf5e3;
  color: #2d4f15;
  font-weight: 600;
}

.exercise-opt.is-wrong {
  border-color: var(--accent);
  background: #fbe9ea;
  color: #6e1518;
}

.exercise-opt:disabled {
  cursor: default;
  opacity: 0.85;
}

.exercise-input-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
  flex-wrap: wrap;
}

.exercise-input {
  flex: 1;
  min-width: 200px;
  font-family: var(--font-serif);
  font-size: 17px;
  font-style: italic;
  color: var(--accent);
  background: var(--bg);
  border: 1px solid var(--rule);
  padding: 10px 14px;
  border-radius: 4px;
  outline: none;
  transition: border-color 0.12s ease;
}

.exercise-input:focus { border-color: var(--accent); }

.exercise-input.is-correct {
  border-color: #4a7c2a;
  background: #ecf5e3;
}

.exercise-input.is-wrong {
  border-color: var(--accent);
  background: #fbe9ea;
}

.exercise-submit, .exercise-reveal {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: var(--accent);
  color: white;
  border: 1px solid var(--accent);
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.12s ease;
}

.exercise-submit:hover { background: var(--accent-hover); }

.exercise-reveal {
  background: transparent;
  color: var(--text-soft);
  border-color: var(--rule);
}

.exercise-reveal:hover {
  border-color: var(--text-soft);
  color: var(--text);
}

.exercise-match {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
}

.exercise-match-col {
  display: grid;
  gap: 8px;
}

.exercise-match-item {
  font-family: var(--font-serif);
  font-size: 16px;
  background: var(--bg);
  border: 1px solid var(--rule);
  padding: 10px 14px;
  border-radius: 4px;
  cursor: pointer;
  text-align: left;
  transition: all 0.12s ease;
}

.exercise-match-item.is-tar {
  font-style: italic;
  color: var(--accent);
  font-weight: 500;
}

.exercise-match-item:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--bg-warm);
}

.exercise-match-item.is-selected {
  border-color: var(--accent);
  background: var(--bg-warm);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.exercise-match-item.is-paired {
  opacity: 0.5;
  cursor: default;
}

.exercise-match-item.is-correct {
  border-color: #4a7c2a;
  background: #ecf5e3;
  opacity: 1;
}

.exercise-feedback {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-soft);
}

.exercise-feedback.is-correct { color: #2d4f15; }
.exercise-feedback.is-wrong { color: #6e1518; }

.exercise-feedback strong { color: inherit; font-weight: 600; }

.exercises-actions {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.exercise-reset {
  font-family: var(--font-serif);
  font-size: 13px;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.12s ease;
}

.exercise-reset:hover { color: var(--text); border-color: var(--text-soft); }

.exercise-summary {
  font-size: 14px;
  color: var(--text-soft);
}

.exercise-summary strong { color: var(--accent); font-weight: 600; }

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-reduced-motion: no-preference) {
  @keyframes tf-soft-in {
    from { opacity: 0.86; }
    to { opacity: 1; }
  }
  main {
    animation: tf-soft-in 0.35s ease-out;
  }
}

/* Responsive */
@media (max-width: 900px) {
  .app {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 24px max(16px, env(safe-area-inset-left)) 32px max(16px, env(safe-area-inset-right));
  }
  .sidebar {
    position: relative;
    top: 0;
    height: auto;
    max-height: min(52vh, 380px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--rule);
    border-radius: 4px;
    padding: 20px max(16px, env(safe-area-inset-right)) 20px 20px;
    background: var(--bg-warm);
  }
  .topbar-inner {
    padding: 14px max(16px, env(safe-area-inset-left)) 14px max(16px, env(safe-area-inset-right));
    gap: 12px 16px;
    flex-wrap: wrap;
    align-items: flex-start;
  }
  .topnav {
    margin-left: 0;
    width: 100%;
    flex-wrap: wrap;
    gap: 4px 14px;
    row-gap: 6px;
    justify-content: flex-start;
  }
  .topnav a {
    font-size: 14px;
    padding: 8px 0;
    line-height: 1.25;
  }
  .topnav a.active::after {
    bottom: 2px;
    left: 0;
    right: auto;
    width: 100%;
    height: 2px;
  }
  .topnav a.nav-quiet { font-size: 13px; }
  .home {
    padding: 32px max(16px, env(safe-area-inset-left)) 64px max(16px, env(safe-area-inset-right));
  }
  .boek-container {
    padding: 24px max(16px, env(safe-area-inset-left)) 32px max(16px, env(safe-area-inset-right));
  }
  .content {
    max-width: 100%;
    min-width: 0;
  }
  .content h1 { font-size: 36px; }
  .content h2 { font-size: 26px; }
  .crosslinks { grid-template-columns: 1fr; }
  .lesson-nav { flex-direction: column; }
  .pdf-embed {
    height: min(72vh, 640px);
    min-height: 320px;
  }
}

@media (max-width: 720px) {
  html {
    scroll-padding-top: 72px;
  }
  body {
    font-size: 17px;
  }
  .lead {
    font-size: 18px;
  }
  .content h1 { font-size: clamp(28px, 8.5vw, 34px); }
  .content h2 { font-size: clamp(22px, 6.5vw, 26px); }
  .content h3 { font-size: 19px; }
  .content .box { padding: 16px 18px; }
  /* Brede tabellen: horizontaal scrollen binnen de leeskolom, tabel blijft echte table */
  .content {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
  }
  .content table {
    font-size: 15px;
  }
  .content th,
  .content td {
    padding: 8px 10px;
  }
  .exercise-match {
    grid-template-columns: 1fr;
  }
  .exercises-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .exercise-input {
    min-width: 0;
    width: 100%;
  }
  footer {
    padding: 32px max(16px, env(safe-area-inset-left)) 40px max(16px, env(safe-area-inset-right));
  }
}

@media (max-width: 480px) {
  html {
    scroll-padding-top: 64px;
  }
  .hero h1 {
    font-size: clamp(36px, 12vw, 52px);
  }
  .hero-sub {
    font-size: 17px;
  }
  .intro-section h2 {
    font-size: 24px;
  }
  .intro-section p {
    font-size: 17px;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .card {
    padding: 22px 18px;
  }
  .card-title {
    font-size: 22px;
  }
  .brand {
    font-size: 20px;
  }
  .content section {
    scroll-margin-top: 88px;
  }
}

/* Snellere taps op scherm, geen dubbel-tap-zoom op controls */
button,
.exercise-opt,
.exercise-submit,
.exercise-reveal,
.exercise-reset,
.wl-filter-btn,
.wl-export-btn {
  touch-action: manipulation;
}