/* ============================================================
   RollForward — Accessible Wheelchair Website
   WCAG 2.1 AAA Compliant Stylesheet
   Colour contrast ratios: body text ≥ 7:1, large text ≥ 4.5:1
   ============================================================ */

/* ── DESIGN TOKENS ── */
:root {
  /* Palette — high contrast, AAA verified */
  --clr-bg:           #F9F7F3;        /* warm off-white */
  --clr-bg-alt:       #F0EDE6;        /* section alt background */
  --clr-surface:      #FFFFFF;
  --clr-ink:          #1A1714;        /* near-black — contrast 17:1 on bg */
  --clr-ink-muted:    #3D3830;        /* muted body — contrast 9.5:1 on bg */
  --clr-accent:       #1A4D2E;        /* deep forest green */
  --clr-accent-light: #2A7A4A;        /* lighter green for large text */
  --clr-accent-bg:    #E8F3EC;        /* tint for card backgrounds */
  --clr-accent-hover: #0F3420;
  --clr-on-accent:    #FFFFFF;
  --clr-on-accent-muted: rgba(255,255,255,0.85);
  --clr-on-accent-soft: rgba(255,255,255,0.7);
  --clr-highlight:    #C04B18;        /* rust/terracotta for accents */
  --clr-border:       #C5BEB4;
  --clr-focus:        #1A4D2E;        /* focus ring colour */
  --clr-focus-bg:     #FFEB3B;        /* focus background for max contrast */

  /* Typography scale */
  --font-display:    'DM Serif Display', Georgia, 'Times New Roman', serif;
  --font-body:       'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-dyslexia:   'OpenDyslexic', 'Comic Sans MS', sans-serif; /* toggled via JS */

  --text-base:       1rem;          /* 16px */
  --text-sm:         0.875rem;
  --text-lg:         1.125rem;
  --text-xl:         1.375rem;
  --text-2xl:        1.75rem;
  --text-3xl:        2.25rem;
  --text-4xl:        3rem;
  --text-5xl:        4rem;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 5rem;

  /* Layout */
  --max-width:   1200px;
  --section-pad: clamp(3rem, 8vw, 6rem);

  /* Effects */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --shadow-sm:  0 1px 3px rgba(26,23,20,.08), 0 1px 2px rgba(26,23,20,.06);
  --shadow-md:  0 4px 16px rgba(26,23,20,.10), 0 2px 6px rgba(26,23,20,.08);
  --shadow-lg:  0 12px 40px rgba(26,23,20,.14);

  /* Transitions */
  --transition: 0.2s ease;
  --transition-slow: 0.4s ease;
}

/* ── HIGH CONTRAST MODE ── */
[data-high-contrast="true"] {
  --clr-bg:        #000000;
  --clr-bg-alt:    #0D0D0D;
  --clr-surface:   #000000;
  --clr-ink:       #FFFFFF;
  --clr-ink-muted: #E0E0E0;
  --clr-accent:    #FFFF00;
  --clr-accent-light: #FFFF00;
  --clr-accent-bg: #1A1A00;
  --clr-accent-hover: #E6E600;
  --clr-on-accent: #000000;
  --clr-on-accent-muted: rgba(0,0,0,0.88);
  --clr-on-accent-soft: rgba(0,0,0,0.72);
  --clr-highlight: #FF6600;
  --clr-border:    #888888;
  --clr-focus:     #FFFF00;
  --clr-focus-bg:  #000000;
}

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

[data-reduce-motion="true"] *,
[data-reduce-motion="true"] *::before,
[data-reduce-motion="true"] *::after {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
}

/* ── DYSLEXIA FONT ── */
[data-dyslexia="true"] body,
[data-dyslexia="true"] p,
[data-dyslexia="true"] li,
[data-dyslexia="true"] td,
[data-dyslexia="true"] th {
  font-family: var(--font-dyslexia);
  letter-spacing: 0.05em;
  word-spacing: 0.15em;
  line-height: 1.9;
}

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

html {
  font-size: var(--text-base);
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--clr-ink);
  background-color: var(--clr-bg);
  overflow-x: hidden;
  transition: background-color var(--transition), color var(--transition);
}

/* ── SKIP LINKS (WCAG 2.4.1) ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 9999;
  padding: var(--space-sm) var(--space-lg);
  background: var(--clr-focus-bg);
  color: var(--clr-ink);
  font-weight: 700;
  font-size: var(--text-base);
  text-decoration: none;
  border: 3px solid var(--clr-ink);
  border-radius: 0 0 var(--radius-md) 0;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 0;
  outline: 3px solid var(--clr-ink);
  outline-offset: 2px;
}

/* ── FOCUS STYLES (WCAG 2.4.7) ── */
:focus-visible {
  outline: 3px solid var(--clr-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--clr-focus);
  outline-offset: 3px;
  background-color: var(--clr-focus-bg);
  color: var(--clr-ink) !important;
  border-radius: var(--radius-sm);
  text-decoration: none;
}

/* ── SCREEN READER ONLY (WCAG utility) ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

/* ── ACCESSIBILITY TOOLBAR ── */
.a11y-toolbar {
  position: sticky;
  top: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xs) clamp(1rem, 4vw, 2rem);
  background: var(--clr-ink);
  color: var(--clr-bg);
  font-size: var(--text-sm);
  font-family: var(--font-body);
}

.toolbar-label {
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-bg);
  opacity: 0.7;
  flex-shrink: 0;
}

.toolbar-controls {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.toolbar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0 var(--space-sm);
  background: transparent;
  color: var(--clr-bg);
  border: 1.5px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}

.toolbar-btn:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.6);
}

.toolbar-btn[aria-pressed="true"] {
  background: var(--clr-accent-light);
  border-color: var(--clr-accent-light);
  color: var(--clr-on-accent);
}

.toolbar-btn:focus-visible {
  outline: 3px solid var(--clr-focus-bg);
  outline-offset: 2px;
  background: rgba(255,255,255,0.1);
}

.toolbar-divider {
  width: 1px;
  height: 1.5rem;
  background: rgba(255,255,255,0.25);
  flex-shrink: 0;
}

/* ── COLOUR BLIND MODE (SVG filter applied to root) ── */
[data-colorblind="deuteranopia"] body,
[data-colorblind="protanopia"]   body,
[data-colorblind="tritanopia"]   body {
  filter: url(#cb-filter);
}

/* ── TOOLBAR SELECT (colour blind dropdown) ── */
.toolbar-select-wrap {
  display: inline-flex;
  align-items: center;
}

.toolbar-select {
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  color: var(--clr-bg);
  border: 1.5px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-family: var(--font-body);
  font-weight: 600;
  padding: 0.3rem 1.6rem 0.3rem 0.5rem;
  cursor: pointer;
  height: 2.25rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='rgba(255,255,255,0.6)'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.4rem center;
  background-size: 8px;
  transition: border-color var(--transition);
  min-width: 130px;
}

.toolbar-select:hover {
  border-color: rgba(255,255,255,0.6);
}

.toolbar-select:focus-visible {
  outline: 3px solid var(--clr-focus-bg);
  outline-offset: 2px;
}

.toolbar-select option {
  background: #1A1714;
  color: #F9F7F3;
  font-size: 0.85rem;
}

/* Language button accent */
.lang-btn {
  font-weight: 700;
  letter-spacing: 0.04em;
  border-color: rgba(255,255,255,0.5);
}

.lang-btn[aria-pressed="true"] {
  background: #1565C0;
  border-color: #1565C0;
  color: #fff;
}

/* ── HEADER ── */
.site-header {
  position: sticky;
  top: 2.75rem; /* below toolbar */
  z-index: 100;
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-md) clamp(1rem, 4vw, 2rem);
  gap: var(--space-lg);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--clr-ink);
  font-family: var(--font-body);
  font-size: var(--text-xl);
  transition: opacity var(--transition);
}

.site-logo:hover { opacity: 0.75; }

.logo-icon {
  font-size: 1.5rem;
  color: var(--clr-accent);
}

.logo-text {
  color: var(--clr-ink);
  font-weight: 300;
  letter-spacing: -0.02em;
}

.logo-text strong {
  font-weight: 700;
  color: var(--clr-accent);
}

/* ── NAVIGATION ── */
.main-nav { position: relative; }

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--space-xs);
}

.nav-link {
  display: block;
  padding: var(--space-xs) var(--space-md);
  color: var(--clr-ink-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover {
  color: var(--clr-accent);
  background: var(--clr-accent-bg);
}

.nav-link:focus-visible {
  color: var(--clr-ink);
  background: var(--clr-focus-bg);
}

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
  cursor: pointer;
  color: var(--clr-ink);
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: transform var(--transition);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger::before { top: -6px; }
.hamburger::after  { top: 6px; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 2.5px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform 0.1s ease, box-shadow var(--transition);
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--clr-accent);
  color: var(--clr-on-accent);
  border-color: var(--clr-accent);
}

.btn-primary:hover {
  background: var(--clr-accent-hover);
  color: var(--clr-on-accent);
  border-color: var(--clr-accent-hover);
  box-shadow: 0 4px 12px rgba(26,77,46,.3);
}

.btn-secondary {
  background: transparent;
  color: var(--clr-ink);
  border-color: var(--clr-ink);
}

.btn-secondary:hover {
  background: var(--clr-ink);
  color: var(--clr-bg);
}

/* ── HERO ── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-3xl);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(3rem, 10vw, 7rem) clamp(1rem, 4vw, 2rem);
  min-height: calc(90vh - 8rem);
}

.hero-eyebrow {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-accent-light);
  margin-bottom: var(--space-lg);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, var(--text-5xl));
  line-height: 1.1;
  color: var(--clr-ink);
  margin-bottom: var(--space-xl);
  letter-spacing: -0.02em;
}

.hero-title em {
  font-style: italic;
  color: var(--clr-accent);
}

.hero-body {
  font-size: var(--text-lg);
  color: var(--clr-ink-muted);
  max-width: 50ch;
  margin-bottom: var(--space-2xl);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-img-wrap {
  position: relative;
  width: 100%;
  height: clamp(400px, 55vh, 620px);   /* fixed height on the WRAPPER */
  border-radius: var(--radius-xl);
  overflow: hidden;                      /* clips the image to this box */
  box-shadow: var(--shadow-lg);
}

.hero-img {
  display: block;
  width: 100%;
  height: 100%;                          /* fill the wrapper exactly */
  object-fit: cover;
  object-position: center top;
  border-radius: 0;                      /* radius already on wrapper */
  transition: transform var(--transition-slow);
}

.hero-img-wrap:hover .hero-img {
  transform: scale(1.02);
}

/* ── IMAGE CREDIT ── */
.img-credit {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm) var(--space-md);
  background: linear-gradient(transparent, rgba(0,0,0,0.55));
  color: rgba(255,255,255,0.85);
  font-size: 0.7rem;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* ── STATS BANNER ── */
.stats-banner {
  background: var(--clr-ink);
  color: var(--clr-bg);
  padding: var(--space-2xl) clamp(1rem, 4vw, 2rem);
}

.stats-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1.5rem, 4vw, 4rem);
  list-style: none;
  flex-wrap: wrap;
  max-width: var(--max-width);
  margin: 0 auto;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--clr-bg);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: var(--text-sm);
  color: rgba(249,247,243,0.7);
  max-width: 18ch;
  line-height: 1.4;
}

.stat-divider {
  font-size: 2rem;
  color: rgba(249,247,243,0.2);
}

/* ── SECTIONS ── */
.section {
  padding: var(--section-pad) clamp(1rem, 4vw, 2rem);
}

.section-alt {
  background: var(--clr-bg-alt);
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-highlight);
  margin-bottom: var(--space-md);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(192,75,24,0.1);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--clr-highlight);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, var(--text-4xl));
  line-height: 1.15;
  color: var(--clr-ink);
  margin-bottom: var(--space-lg);
  max-width: 20ch;
}

.section-intro {
  font-size: var(--text-lg);
  color: var(--clr-ink-muted);
  max-width: 65ch;
  line-height: 1.8;
  margin-bottom: var(--space-3xl);
}

/* ── ABOUT SPLIT LAYOUT ── */
.layout-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.split-text p {
  color: var(--clr-ink-muted);
  margin-bottom: var(--space-md);
  font-size: var(--text-base);
  line-height: 1.8;
}

.split-text p:last-child { margin-bottom: 0; }

.about-figure {
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  /* Force GPU layer so border-radius clips child image correctly */
  isolation: isolate;
}

.about-img {
  display: block;
  width: 100%;
  height: clamp(300px, 42vh, 520px);
  object-fit: cover;
  object-position: center 30%;
  transition: transform var(--transition-slow);
}

.about-figure:hover .about-img { transform: scale(1.02); }

.about-figcaption {
  padding: var(--space-sm) var(--space-md);
  background: var(--clr-ink);
  color: rgba(249,247,243,0.65);
  font-size: 0.7rem;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* ── TYPE CARDS GRID ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.type-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}

.type-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--clr-accent);
  transform: translateY(-3px);
}

.card-img-wrap {
  width: 100%;
  height: 210px;
  overflow: hidden;
  flex-shrink: 0;
  border-radius: calc(var(--radius-xl) - 1px) calc(var(--radius-xl) - 1px) 0 0;
  /* Belt-and-suspenders: clip image to the card's rounded corners */
  -webkit-mask-image: -webkit-radial-gradient(white, black);
}

.card-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  transition: transform var(--transition-slow);
  will-change: transform;
}

.type-card:hover .card-img { transform: scale(1.05); }

.card-body-wrap {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--clr-ink);
  margin-bottom: var(--space-sm);
}

.card-body {
  font-size: var(--text-base);
  color: var(--clr-ink-muted);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.card-features li {
  font-size: var(--text-sm);
  color: var(--clr-ink-muted);
  padding-left: var(--space-lg);
  position: relative;
}

.card-features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--clr-accent-light);
  font-weight: 700;
}

/* ── FEATURES BANNER ── */
.features-banner {
  margin: 0 0 var(--space-3xl);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.features-photo {
  display: block;
  width: 100%;
  height: clamp(220px, 30vw, 440px);
  object-fit: cover;
  object-position: center 40%;
}

.features-photo-caption {
  display: block;
  padding: var(--space-sm) var(--space-md);
  background: var(--clr-ink);
  color: rgba(249,247,243,0.65);
  font-size: 0.7rem;
}

/* ── FEATURES ── */
.features-layout {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-2xl);
}

.feature-item {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.feature-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--clr-border);
  line-height: 1;
  flex-shrink: 0;
  width: 3rem;
  user-select: none;
}

.feature-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--clr-ink);
  margin-bottom: var(--space-sm);
}

.feature-content p {
  color: var(--clr-ink-muted);
  font-size: var(--text-base);
  line-height: 1.75;
}

/* ── ACCESSIBILITY CARDS ── */
.a11y-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.a11y-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--clr-accent);
}

.a11y-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--clr-accent);
  color: var(--clr-on-accent);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  border-radius: 50%;
  margin-bottom: var(--space-md);
}

.a11y-card-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--clr-ink);
  margin-bottom: var(--space-lg);
}

.a11y-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.a11y-list li {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  background: var(--clr-accent);
  color: var(--clr-on-accent);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.a11y-list strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--clr-ink);
  margin-bottom: 0.15rem;
}

.a11y-list span {
  display: block;
  font-size: var(--text-sm);
  color: var(--clr-ink-muted);
  line-height: 1.5;
}

/* ── KEYBOARD GUIDE ── */
.keyboard-guide {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-sm);
}

.keyboard-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--clr-ink);
  margin-bottom: var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.keyboard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-base);
}

.keyboard-table th {
  text-align: left;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-ink-muted);
  border-bottom: 2px solid var(--clr-border);
  padding: var(--space-sm) var(--space-md);
}

.keyboard-table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--clr-bg-alt);
  color: var(--clr-ink-muted);
  vertical-align: middle;
}

.keyboard-table tr:last-child td { border-bottom: none; }
.keyboard-table tr:hover td { background: var(--clr-bg-alt); }

kbd {
  display: inline-flex;
  align-items: center;
  padding: 0.1em 0.45em;
  background: var(--clr-bg-alt);
  color: var(--clr-ink);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.85em;
  font-weight: 600;
  box-shadow: 0 1px 0 var(--clr-border);
  white-space: nowrap;
}

/* ── RESOURCES ── */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.resource-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.resource-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--clr-accent);
}

.resource-img-wrap {
  width: 100%;
  height: 160px;
  overflow: hidden;
  flex-shrink: 0;
  border-radius: calc(var(--radius-xl) - 1px) calc(var(--radius-xl) - 1px) 0 0;
  -webkit-mask-image: -webkit-radial-gradient(white, black);
}

.resource-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  transition: transform var(--transition-slow);
  will-change: transform;
}

.resource-card:hover .resource-img { transform: scale(1.05); }

.resource-card-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}

.resource-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--clr-ink);
}

.resource-card-body p {
  color: var(--clr-ink-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
  flex: 1;
}

.resource-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--clr-accent-light);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--text-sm);
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition);
  align-self: flex-start;
}

.resource-link:hover {
  border-bottom-color: var(--clr-accent-light);
  color: var(--clr-accent);
}

/* ── FOOTER ── */
.site-footer {
  background: var(--clr-ink);
  color: var(--clr-bg);
  padding: var(--space-3xl) clamp(1rem, 4vw, 2rem) 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  max-width: var(--max-width);
  margin: 0 auto;
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  align-items: start;
}

.footer-brand .logo-text {
  color: var(--clr-bg);
}

.footer-tagline {
  margin-top: var(--space-sm);
  font-size: var(--text-sm);
  color: rgba(249,247,243,0.6);
}

.footer-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.footer-nav a {
  color: rgba(249,247,243,0.7);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--transition);
}

.footer-nav a:hover { color: var(--clr-bg); }

.footer-compliance p {
  font-size: var(--text-sm);
  color: rgba(249,247,243,0.7);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.footer-compliance strong {
  color: var(--clr-bg);
}

.footer-note {
  font-size: 0.75rem !important;
  color: rgba(249,247,243,0.4) !important;
}

.footer-bottom {
  text-align: center;
  padding: var(--space-lg);
  font-size: var(--text-sm);
  color: rgba(249,247,243,0.4);
}

/* ── TYPOGRAPHY UTILITIES ── */
h1, h2, h3, h4, h5, h6 {
  text-rendering: optimizeLegibility;
}

p + p { margin-top: var(--space-md); }

strong { font-weight: 700; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    min-height: auto;
    gap: var(--space-2xl);
    padding-top: 3rem;
  }
  .hero-body { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-img { height: 320px; }

  .layout-split { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: var(--space-2xl); }
}

@media (max-width: 680px) {
  .nav-toggle {
    display: flex;
    align-items: center;
  }

  .nav-list {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    min-width: 200px;
    padding: var(--space-sm);
    display: none;
    z-index: 50;
  }

  .nav-list.is-open { display: flex; }

  .nav-link {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    width: 100%;
  }

  .stats-list { gap: var(--space-xl); }
  .stat-divider { display: none; }

  .toolbar-label { display: none; }

  .features-layout { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: 1fr; }
  .a11y-grid { grid-template-columns: 1fr; }
  .resources-grid { grid-template-columns: 1fr; }

  .keyboard-table { font-size: var(--text-sm); }
  .keyboard-table th,
  .keyboard-table td { padding: var(--space-xs) var(--space-sm); }
}

/* ── PRINT STYLES ── */
@media print {
  .a11y-toolbar,
  .nav-toggle,
  .site-header,
  .hero-visual,
  .site-footer { display: none; }

  body {
    font-size: 11pt;
    line-height: 1.6;
    color: #000;
    background: #fff;
  }

  .section { padding: 1.5rem 0; }
  .hero { padding: 2rem 0; }
  a[href]::after { content: ' (' attr(href) ')'; font-size: 0.8em; }
  a[href^="#"]::after { content: ''; }
}