/* =========================================================================
   GoalWise design system
   Deep green + pitch green + navy + yellow, white space, large type.
   System fonts only (no external font requests) for fast first paint.
   ========================================================================= */

:root {
  /* Brand colours */
  --gw-deep-green: #0b3d24;
  --gw-pitch-green: #1e8a4c;
  --gw-pitch-green-dark: #146638;
  --gw-navy: #0f2340;
  --gw-yellow: #ffc93c;
  --gw-yellow-dark: #e8ab00;
  --gw-white: #ffffff;

  /* Neutrals */
  --gw-bg: #f5faf6;
  --gw-bg-alt: #eef7f0;
  --gw-text: #10241a;
  --gw-text-muted: #435449;
  --gw-border: #dbe8de;
  --gw-card-bg: #ffffff;

  /* Feedback */
  --gw-success: #1e8a4c;
  --gw-success-bg: #e6f6ec;
  --gw-error: #b3261e;
  --gw-error-bg: #fbeae9;

  /* Type scale */
  --gw-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --gw-fs-sm: 0.95rem;
  --gw-fs-base: 1.0625rem;
  --gw-fs-lg: 1.25rem;
  --gw-fs-xl: 1.6rem;
  --gw-fs-2xl: 2.1rem;
  --gw-fs-3xl: 2.9rem;

  /* Layout */
  --gw-radius-sm: 8px;
  --gw-radius: 16px;
  --gw-radius-lg: 24px;
  --gw-shadow: 0 4px 16px rgba(11, 61, 36, 0.1);
  --gw-shadow-lg: 0 12px 32px rgba(11, 61, 36, 0.16);
  --gw-max-width: 1200px;
  --gw-focus-ring: 3px solid #0b63d6;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--gw-font);
  font-size: var(--gw-fs-base);
  line-height: 1.6;
  color: var(--gw-text);
  background: var(--gw-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--gw-pitch-green-dark);
}

a:not([class]) {
  text-decoration-thickness: 1.5px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--gw-font);
  line-height: 1.2;
  color: var(--gw-navy);
  margin: 0 0 0.5em;
}

h1 { font-size: var(--gw-fs-3xl); }
h2 { font-size: var(--gw-fs-2xl); }
h3 { font-size: var(--gw-fs-xl); }

p { margin: 0 0 1em; }

ul, ol { padding-left: 1.3em; }

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* Visible focus for keyboard users on every interactive control */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: var(--gw-focus-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--gw-navy);
  color: #fff;
  padding: 0.75em 1.25em;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}

.skip-link:focus {
  left: 0;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  max-width: var(--gw-max-width);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

section {
  padding-block: 3.5rem;
}

.section-heading {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: 2.25rem;
}

.section-heading .eyebrow {
  display: inline-block;
  color: var(--gw-pitch-green-dark);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.section-heading p {
  color: var(--gw-text-muted);
  font-size: var(--gw-fs-lg);
}

.bg-alt { background: var(--gw-bg-alt); }
.bg-navy { background: var(--gw-navy); color: #fff; }
.bg-navy h2, .bg-navy h3 { color: #fff; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-weight: 700;
  font-size: var(--gw-fs-base);
  padding: 0.85em 1.6em;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease;
  line-height: 1.1;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--gw-yellow);
  color: var(--gw-navy);
  box-shadow: var(--gw-shadow);
}
.btn-primary:hover { background: var(--gw-yellow-dark); }

.btn-secondary {
  background: transparent;
  color: var(--gw-white);
  border-color: rgba(255, 255, 255, 0.7);
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.12); }

.btn-outline {
  background: #fff;
  color: var(--gw-pitch-green-dark);
  border-color: var(--gw-pitch-green);
}
.btn-outline:hover { background: var(--gw-success-bg); }

.btn-ghost {
  background: transparent;
  color: var(--gw-navy);
  border-color: var(--gw-border);
}
.btn-ghost:hover { background: var(--gw-bg-alt); }

.btn-block { width: 100%; }
.btn-sm { padding: 0.55em 1.1em; font-size: var(--gw-fs-sm); }

.btn[disabled] { opacity: 0.55; cursor: not-allowed; transform: none; }

/* ---------- Header / Nav ---------- */
.site-header {
  background: var(--gw-white);
  border-bottom: 1px solid var(--gw-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.85rem;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--gw-navy);
}

.brand .brand-mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.brand .brand-tag {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--gw-pitch-green-dark);
  letter-spacing: 0.03em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  font-weight: 600;
  color: var(--gw-text);
  padding: 0.4em 0.1em;
  border-bottom: 3px solid transparent;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--gw-pitch-green-dark);
  border-bottom-color: var(--gw-yellow);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--gw-border);
  border-radius: 10px;
  padding: 0.5em 0.65em;
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: var(--gw-white);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-bottom: 1px solid var(--gw-border);
    box-shadow: var(--gw-shadow);
    display: none;
  }
  .nav-links.is-open { display: flex; }
  .nav-links li { border-top: 1px solid var(--gw-border); }
  .nav-links a { display: block; padding: 1em 1.25rem; border-bottom: none; }
  .nav-links a[aria-current="page"] { background: var(--gw-bg-alt); }
  .nav-actions .btn-secondary { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--gw-deep-green) 0%, var(--gw-pitch-green) 62%, var(--gw-pitch-green-dark) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding-block: 4rem;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.05) 0 2px, transparent 2px 64px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.05) 0 2px, transparent 2px 64px);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
  position: relative;
}

.hero h1 {
  color: #fff;
  font-size: clamp(2.2rem, 4.5vw, var(--gw-fs-3xl));
  margin-bottom: 0.4em;
}

.hero .lede {
  font-size: var(--gw-fs-lg);
  color: rgba(255, 255, 255, 0.92);
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  margin-top: 2rem;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.85);
}
.hero-badges li { display: flex; align-items: center; gap: 0.4em; list-style: none; }

.hero-art {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--gw-radius-lg);
  padding: 1.25rem;
}

@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
}

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

.subject-card, .class-card {
  background: var(--gw-card-bg);
  border: 1px solid var(--gw-border);
  border-radius: var(--gw-radius);
  padding: 1.6rem;
  text-decoration: none;
  color: var(--gw-text);
  display: block;
  transition: box-shadow 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
}

.subject-card:hover, .class-card:hover {
  box-shadow: var(--gw-shadow-lg);
  transform: translateY(-3px);
  border-color: var(--gw-pitch-green);
}

.subject-card .icon-badge, .class-card .icon-badge {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--gw-bg-alt);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
}

.subject-card h3, .class-card h3 { margin-bottom: 0.3em; }

.subject-card p, .class-card p { color: var(--gw-text-muted); margin-bottom: 0; font-size: var(--gw-fs-sm); }

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25em 0.7em;
  border-radius: 999px;
  background: var(--gw-bg-alt);
  color: var(--gw-pitch-green-dark);
  letter-spacing: 0.02em;
}

.badge-yellow { background: #fff3d0; color: #8a5c00; }
.badge-premium { background: #fff3d0; color: #8a5c00; }
.badge-free { background: var(--gw-success-bg); color: var(--gw-success); }
.badge-navy { background: #e7ecf5; color: var(--gw-navy); }
.badge-coming-soon { background: #eee; color: #666; }

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}

.step {
  background: var(--gw-white);
  border: 1px solid var(--gw-border);
  border-radius: var(--gw-radius);
  padding: 1.6rem;
  text-align: center;
}

.step .step-num {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gw-navy);
  color: var(--gw-yellow);
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 0.9rem;
  font-size: 1.15rem;
}

/* ---------- Worksheet cards ---------- */
.worksheet-card {
  background: var(--gw-card-bg);
  border: 1px solid var(--gw-border);
  border-radius: var(--gw-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--gw-shadow);
}

.worksheet-thumb {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--gw-pitch-green) 0%, var(--gw-deep-green) 100%);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.worksheet-thumb svg { width: 56%; height: 56%; }

.worksheet-thumb .thumb-badges {
  position: absolute;
  top: 0.7rem; left: 0.7rem; right: 0.7rem;
  display: flex; justify-content: space-between;
}

.worksheet-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

.worksheet-meta {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  font-size: 0.8rem; color: var(--gw-text-muted);
}

.worksheet-title { font-size: 1.15rem; margin-bottom: 0; }

.worksheet-desc { color: var(--gw-text-muted); font-size: 0.92rem; margin-bottom: 0; }

.worksheet-actions {
  margin-top: auto;
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  padding-top: 0.6rem;
}

.worksheet-actions .btn { flex: 1 1 auto; }

/* ---------- Filters ---------- */
.filters-bar {
  background: var(--gw-white);
  border: 1px solid var(--gw-border);
  border-radius: var(--gw-radius);
  padding: 1.25rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.filter-field { display: flex; flex-direction: column; gap: 0.35rem; }
.filter-field label { font-weight: 700; font-size: 0.85rem; color: var(--gw-navy); }
.filter-field select, .filter-field input {
  padding: 0.6em 0.7em;
  border-radius: 10px;
  border: 1.5px solid var(--gw-border);
  background: #fff;
}

.filters-footer {
  display: flex; justify-content: space-between; align-items: center;
  grid-column: 1 / -1;
  margin-top: 0.25rem;
}

#results-count { font-weight: 700; color: var(--gw-navy); }

/* ---------- Forms ---------- */
.form-field { margin-bottom: 1.1rem; display: flex; flex-direction: column; gap: 0.4rem; }
.form-field label { font-weight: 700; }
.form-field input, .form-field select, .form-field textarea {
  padding: 0.75em 0.9em;
  border: 1.5px solid var(--gw-border);
  border-radius: 10px;
  background: #fff;
}
.form-field .hint { font-size: 0.85rem; color: var(--gw-text-muted); }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem 1.25rem; }

.form-status { margin-top: 0.75rem; font-weight: 600; }
.form-status.success { color: var(--gw-success); }
.form-status.error { color: var(--gw-error); }

/* ---------- Newsletter ---------- */
.newsletter {
  background: var(--gw-navy);
  color: #fff;
  border-radius: var(--gw-radius-lg);
  padding: 2.5rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: center;
}
.newsletter h2 { color: #fff; }
.newsletter form { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.newsletter input[type="email"] {
  flex: 1 1 220px;
  padding: 0.85em 1em;
  border-radius: 999px;
  border: none;
}
@media (max-width: 760px) { .newsletter { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--gw-deep-green);
  color: rgba(255, 255, 255, 0.85);
  padding-block: 3rem 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2rem;
}
.footer-grid h3 { color: #fff; font-size: 1rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.55rem; }
.footer-grid a { color: rgba(255, 255, 255, 0.8); text-decoration: none; }
.footer-grid a:hover { color: var(--gw-yellow); }
.footer-brand p { color: rgba(255,255,255,0.7); max-width: 32ch; }
.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.15);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
}
.social-links { display: flex; gap: 0.75rem; }
.social-links a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs { font-size: 0.88rem; color: var(--gw-text-muted); margin-bottom: 1.5rem; }
.breadcrumbs a { color: var(--gw-text-muted); }
.breadcrumbs .sep { margin: 0 0.4em; }

/* ---------- Worksheet detail ---------- */
.detail-hero {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
.detail-facts {
  background: var(--gw-white);
  border: 1px solid var(--gw-border);
  border-radius: var(--gw-radius);
  padding: 1.5rem;
}
.fact-row { display: flex; justify-content: space-between; padding: 0.55rem 0; border-bottom: 1px solid var(--gw-border); font-size: 0.95rem; }
.fact-row:last-child { border-bottom: none; }
.fact-row dt { color: var(--gw-text-muted); font-weight: 600; }
.fact-row dd { margin: 0; font-weight: 700; color: var(--gw-navy); }
.detail-actions { display: flex; flex-direction: column; gap: 0.6rem; margin-top: 1.25rem; }
@media (max-width: 860px) { .detail-hero { grid-template-columns: 1fr; } }

.question-preview {
  background: var(--gw-white);
  border: 1px solid var(--gw-border);
  border-radius: var(--gw-radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}
.question-preview .q-num { color: var(--gw-pitch-green-dark); font-weight: 800; }
.question-preview ol { margin: 0.5rem 0 0; padding-left: 1.2rem; }

.skills-list { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; padding: 0; }
.skills-list li { background: var(--gw-bg-alt); border-radius: 999px; padding: 0.35em 0.9em; font-size: 0.85rem; font-weight: 600; color: var(--gw-pitch-green-dark); }

.callout {
  background: #fff7e0;
  border: 1px solid #ffe4a1;
  border-radius: var(--gw-radius);
  padding: 1.25rem 1.5rem;
}
.callout h3 { margin-bottom: 0.4em; }

/* ---------- Quiz ---------- */
.scoreboard {
  background: var(--gw-navy);
  color: #fff;
  border-radius: var(--gw-radius);
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.scoreboard .sb-item { text-align: center; }
.scoreboard .sb-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: rgba(255,255,255,0.65); }
.scoreboard .sb-value { font-size: 1.4rem; font-weight: 800; color: var(--gw-yellow); }

.progress-track {
  background: var(--gw-border);
  border-radius: 999px;
  height: 10px;
  overflow: hidden;
  margin-bottom: 2rem;
}
.progress-fill { background: var(--gw-pitch-green); height: 100%; transition: width 0.25s ease; }

.quiz-card {
  background: #fff;
  border: 1px solid var(--gw-border);
  border-radius: var(--gw-radius-lg);
  padding: 2rem;
  box-shadow: var(--gw-shadow);
}

.quiz-options { display: grid; gap: 0.75rem; margin-top: 1.5rem; }
.quiz-option {
  display: flex; align-items: center; gap: 0.75rem;
  text-align: left;
  padding: 0.9em 1.1em;
  border: 2px solid var(--gw-border);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
}
.quiz-option:hover { border-color: var(--gw-pitch-green); }
.quiz-option .opt-marker {
  width: 26px; height: 26px; border-radius: 50%;
  border: 2px solid var(--gw-border);
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
}
.quiz-option[aria-pressed="true"] { border-color: var(--gw-navy); background: var(--gw-bg-alt); }
.quiz-option.is-correct { border-color: var(--gw-success); background: var(--gw-success-bg); }
.quiz-option.is-correct .opt-marker { background: var(--gw-success); color: #fff; border-color: var(--gw-success); }
.quiz-option.is-incorrect { border-color: var(--gw-error); background: var(--gw-error-bg); }
.quiz-option.is-incorrect .opt-marker { background: var(--gw-error); color: #fff; border-color: var(--gw-error); }
.quiz-option[disabled] { cursor: default; }

.quiz-feedback {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  border-radius: 12px;
  font-weight: 600;
  display: none;
}
.quiz-feedback.show { display: block; }
.quiz-feedback.correct { background: var(--gw-success-bg); color: var(--gw-success); }
.quiz-feedback.incorrect { background: var(--gw-error-bg); color: var(--gw-error); }
.quiz-feedback .explain { font-weight: 400; color: var(--gw-text); margin-top: 0.4rem; }

.quiz-footer { display: flex; justify-content: flex-end; margin-top: 1.5rem; }

.quiz-result { text-align: center; padding: 2rem 1rem; }
.quiz-result .big-score { font-size: 3rem; font-weight: 800; color: var(--gw-navy); }
.quiz-result .encouragement { font-size: var(--gw-fs-lg); color: var(--gw-pitch-green-dark); font-weight: 700; margin-top: 0.5rem; }
.quiz-result-actions { display: flex; justify-content: center; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.75rem; }

/* ---------- Generator ---------- */
.generator-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 2.5rem; align-items: start; }
@media (max-width: 960px) { .generator-layout { grid-template-columns: 1fr; } }
.theme-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 0.6rem; }
.theme-choice { position: relative; }
.theme-choice input { position: absolute; opacity: 0; }
.theme-choice label {
  display: block; text-align: center; padding: 0.8em 0.5em;
  border: 2px solid var(--gw-border); border-radius: 12px; cursor: pointer; font-weight: 600; font-size: 0.85rem;
}
.theme-choice input:checked + label { border-color: var(--gw-pitch-green); background: var(--gw-success-bg); color: var(--gw-pitch-green-dark); }
.theme-choice input:focus-visible + label { outline: var(--gw-focus-ring); outline-offset: 2px; }

.generator-output {
  background: #fff;
  border: 1px solid var(--gw-border);
  border-radius: var(--gw-radius);
  padding: 1.75rem;
  min-height: 300px;
}
.generator-output .gen-q { padding: 0.9rem 0; border-bottom: 1px dashed var(--gw-border); }
.generator-output .gen-q:last-child { border-bottom: none; }
.gen-placeholder { color: var(--gw-text-muted); text-align: center; padding: 3rem 1rem; }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
th, td { text-align: left; padding: 0.65em 0.8em; border-bottom: 1px solid var(--gw-border); }
th { color: var(--gw-navy); }

/* ---------- Misc utility ---------- */
.stack { display: flex; flex-direction: column; gap: 1rem; }
.cluster { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }

.page-hero {
  background: var(--gw-bg-alt);
  border-bottom: 1px solid var(--gw-border);
  padding-block: 2.5rem;
}
.page-hero h1 { margin-bottom: 0.3em; }
.page-hero p { color: var(--gw-text-muted); font-size: var(--gw-fs-lg); max-width: 65ch; margin-bottom: 0; }

.empty-state { text-align: center; padding: 3rem 1rem; color: var(--gw-text-muted); }

.faq-item {
  border: 1px solid var(--gw-border);
  border-radius: var(--gw-radius);
  background: #fff;
  margin-bottom: 0.9rem;
  overflow: hidden;
}
.faq-item summary {
  padding: 1.1rem 1.4rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--gw-navy);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--gw-pitch-green-dark); }
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { padding: 0 1.4rem 1.2rem; color: var(--gw-text-muted); margin: 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .subject-card, .class-card, .progress-fill { transition: none; }
}