/* ==========================================================================
   ClasseNumérique — feuille de style principale
   ========================================================================== */

:root {
  --color-primary: #4f46e5;      /* indigo */
  --color-primary-dark: #4338ca;
  --color-secondary: #7c3aed;    /* violet */
  --color-accent: #06b6d4;       /* cyan */
  --color-pink: #ec4899;
  --color-yellow: #f59e0b;
  --color-green: #22c55e;
  --color-bg: #f8fafc;
  --color-bg-alt: #eef2ff;
  --color-card: #ffffff;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;

  --font-base: "Nunito", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --font-heading: "Fredoka", "Nunito", system-ui, sans-serif;
  --font-comfort: "Verdana", "Trebuchet MS", sans-serif;

  --radius: 20px;
  --shadow: 0 4px 16px rgba(79, 70, 229, 0.08);
  --shadow-hover: 0 10px 28px rgba(79, 70, 229, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

h1, h2, h3,
.logo,
.btn,
.eyebrow {
  font-family: var(--font-heading);
}

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

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Mode confort de lecture ---------- */
body.confort {
  font-family: var(--font-comfort);
  line-height: 1.9;
  letter-spacing: 0.02em;
}

body.confort p,
body.confort li {
  font-size: 1.08em;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  transition: transform 0.2s;
}

.logo:hover {
  transform: rotate(-2deg) scale(1.03);
}

.logo span.dot {
  color: var(--color-pink);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  transition: background 0.2s, color 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-comfort {
  border: 1px solid var(--color-border);
  background: var(--color-card);
  color: var(--color-text);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
}

.btn-comfort.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--color-primary);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.15s;
}

.btn[hidden] {
  display: none;
}

.btn:hover {
  transform: translateY(-3px) scale(1.04) rotate(-1deg);
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  box-shadow: var(--shadow-hover);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  padding: 72px 0 56px;
  text-align: center;
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.5;
  z-index: 0;
}

.hero::before {
  width: 90px;
  height: 90px;
  background: var(--color-yellow);
  top: 18%;
  left: 8%;
  opacity: 0.25;
}

.hero::after {
  width: 120px;
  height: 120px;
  background: var(--color-pink);
  bottom: 10%;
  right: 8%;
  opacity: 0.2;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-block;
  letter-spacing: 0.08em;
  font-weight: 600;
  font-size: 0.8rem;
  color: #fff;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-pink));
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  margin: 0 0 18px;
  line-height: 1.15;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  color: var(--color-text-muted);
  margin: 0;
}

.hero p.lead {
  max-width: 620px;
  margin: 0 auto 30px;
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Stats ---------- */
.stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 56px;
  flex-wrap: wrap;
}

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

.stats .stat strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.2rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stats .stat span {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ---------- Sections ---------- */
section {
  padding: 64px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 40px;
}

.section-title h2 {
  font-size: 2rem;
  margin: 0 0 10px;
}

.section-title p {
  color: var(--color-text-muted);
  margin: 0;
}

/* ---------- Cards grid (topics) ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.card .icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
  display: inline-block;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0 0 14px;
}

.card .tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.tag {
  background: var(--color-bg-alt);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}

.card .card-link {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.9rem;
}

/* ---------- Why section ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.why-item {
  text-align: center;
  padding: 20px;
}

.why-item .icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 14px;
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.why-item:hover .icon {
  transform: scale(1.12) rotate(-6deg);
}

.why-item:nth-child(2) .icon {
  background: linear-gradient(135deg, var(--color-pink), var(--color-secondary));
}

.why-item:nth-child(3) .icon {
  background: linear-gradient(135deg, var(--color-yellow), var(--color-pink));
}

.why-item:nth-child(4) .icon {
  background: linear-gradient(135deg, var(--color-green), var(--color-accent));
}

.why-item h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.why-item p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0;
}

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

/* ---------- Blog list ---------- */
.article-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.article-card .thumb {
  height: 120px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
}

.article-card .content {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card .meta {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.article-card h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.article-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  flex: 1;
}

.article-card .read-more {
  margin-top: 12px;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.9rem;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  text-align: center;
  border-radius: var(--radius);
  padding: 56px 24px;
  margin: 0 24px;
}

.cta-banner h2 {
  margin: 0 0 10px;
  font-size: 1.8rem;
}

.cta-banner p {
  margin: 0 0 24px;
  opacity: 0.9;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--color-primary);
  box-shadow: none;
}

/* ---------- Single article ---------- */
.article-header {
  text-align: center;
  padding: 56px 0 32px;
}

.article-header .meta {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.article-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 16px;
}

.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding-bottom: 60px;
}

.article-body p {
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.article-body h2 {
  margin: 36px 0 16px;
  font-size: 1.4rem;
  color: var(--color-primary);
}

.back-link {
  display: inline-block;
  margin-bottom: 24px;
  font-weight: 700;
  color: var(--color-primary);
}

/* ---------- Quiz / exercices ---------- */
.exercise-card {
  background: var(--color-card);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  display: flex;
  flex-direction: column;
}

.exercise-card:hover {
  border-color: var(--color-secondary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.exercise-card .icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
  display: inline-block;
}

.exercise-card h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.exercise-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0 0 14px;
  flex: 1;
}

.exercise-card .meta-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.exercise-card .card-link {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.9rem;
}

.quiz-intro {
  max-width: 720px;
  margin: 0 auto 32px;
  text-align: center;
  color: var(--color-text-muted);
}

.quiz-form {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.quiz-question {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.quiz-question-title {
  font-weight: 700;
  margin: 0 0 14px;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.quiz-option:hover {
  border-color: var(--color-primary);
}

.quiz-option input {
  accent-color: var(--color-primary);
}

.quiz-option.correct {
  border-color: #16a34a;
  background: rgba(22, 163, 74, 0.08);
}

.quiz-option.incorrect {
  border-color: #dc2626;
  background: rgba(220, 38, 38, 0.08);
}

.quiz-feedback {
  margin: 12px 0 0;
  font-size: 0.9rem;
  min-height: 1.2em;
}

.quiz-feedback.shown.correct {
  color: #16a34a;
  font-weight: 700;
}

.quiz-feedback.shown.incorrect {
  color: #dc2626;
  font-weight: 700;
}

.quiz-result {
  text-align: center;
  padding: 20px;
  border-radius: var(--radius);
  background: var(--color-bg-alt);
  font-size: 1.1rem;
}

.quiz-form .btn {
  align-self: center;
}

/* ---------- Sort exercise (entrée / sortie) ---------- */
.sort-bank {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  max-width: 720px;
  margin: 0 auto 24px;
}

.btn-centered {
  display: block;
  margin: 20px auto 0;
}

.sort-chip {
  background: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: 999px;
  padding: 10px 18px;
  font-family: var(--font-base);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s;
}

.sort-chip:hover:not(:disabled) {
  border-color: var(--color-primary);
}

.sort-chip.selected {
  border-color: var(--color-primary);
  background: var(--color-bg-alt);
  transform: scale(1.05);
}

.sort-chip.placed {
  cursor: default;
  opacity: 0.9;
}

.sort-chip.correct {
  border-color: #16a34a;
  background: rgba(22, 163, 74, 0.08);
}

.sort-chip.incorrect {
  border-color: #dc2626;
  background: rgba(220, 38, 38, 0.08);
}

.sort-choice-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 28px;
}

.sort-choice-btn {
  min-width: 140px;
}

.sort-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 720px;
  margin: 0 auto;
}

.sort-column {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 20px;
  min-height: 140px;
}

.sort-column h4 {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  text-align: center;
}

.sort-column-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

@media (max-width: 600px) {
  .sort-columns {
    grid-template-columns: 1fr;
  }
}

/* ---------- Match exercise (association) ---------- */
.match-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 24px;
  max-width: 720px;
  margin: 0 auto;
}

.match-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.match-item {
  background: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  padding: 12px 16px;
  font-family: var(--font-base);
  font-weight: 700;
  font-size: 0.92rem;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
}

.match-item:hover:not(.matched):not(.locked) {
  border-color: var(--color-primary);
}

.match-item.selected {
  border-color: var(--color-primary);
  background: var(--color-bg-alt);
  transform: scale(1.02);
}

.match-item.matched {
  border-color: #16a34a;
  background: rgba(22, 163, 74, 0.08);
  cursor: default;
  opacity: 0.85;
}

.match-item.incorrect {
  border-color: #dc2626;
  background: rgba(220, 38, 38, 0.08);
}

@media (max-width: 600px) {
  .match-columns {
    grid-template-columns: 1fr;
  }
}

/* ---------- Mouse game (entraînement souris) ---------- */
.mouse-game-stepper {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
}

.mouse-game-dot {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  font-family: var(--font-base);
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  border: none;
  cursor: pointer;
  transition: transform 0.15s;
}

.mouse-game-dot:hover {
  transform: scale(1.15);
}

.mouse-game-dot.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
}

.mouse-game-dot.done {
  background: #16a34a;
  color: #fff;
}

.mouse-game-info {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 20px;
}

.mouse-game-info h3 {
  margin: 0 0 6px;
  font-size: 1.15rem;
}

.mouse-game-info p {
  color: var(--color-text-muted);
  margin: 0;
}

.mouse-game-area {
  position: relative;
  max-width: 720px;
  height: 320px;
  margin: 0 auto;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  overflow: hidden;
}

.mouse-target {
  position: absolute;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  cursor: pointer;
  transition: transform 0.15s, background 0.2s;
}

.mouse-target:hover:not(:disabled) {
  transform: scale(1.08);
}

.mouse-target.done {
  background: #16a34a;
  cursor: default;
}

.mouse-target.wrong {
  background: #dc2626;
}

.mouse-target-moving {
  background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
  font-size: 1.4rem;
  transition: none;
}

.mouse-target-moving.done {
  background: transparent;
  opacity: 0;
}

/* ---------- Shape drag & drop ---------- */
.shape-zone {
  position: absolute;
  width: 56px;
  height: 56px;
  border: 3px dashed var(--color-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  opacity: 0.35;
  background: var(--color-card);
}

.shape-zone.filled {
  opacity: 1;
  border-style: solid;
  border-color: #16a34a;
  background: rgba(22, 163, 74, 0.1);
}

.shape-piece {
  position: absolute;
  width: 56px;
  height: 56px;
  border-radius: 12px;
  border: none;
  background: var(--color-card);
  box-shadow: var(--shadow);
  font-size: 1.8rem;
  cursor: grab;
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: none;
  transition: box-shadow 0.15s;
}

.shape-piece.dragging {
  cursor: grabbing;
  box-shadow: var(--shadow-hover);
  z-index: 20;
}

.shape-piece.placed {
  cursor: default;
  box-shadow: none;
}

.shape-piece.wrong {
  background: rgba(220, 38, 38, 0.15);
}

/* ---------- Typing exercise (dactylographie) ---------- */
.typing-progress {
  text-align: center;
  color: var(--color-text-muted);
  font-weight: 700;
  margin-bottom: 8px;
}

.typing-word {
  text-align: center;
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 4vw, 2.4rem);
  letter-spacing: 0.04em;
  color: var(--color-primary);
  max-width: 600px;
  margin: 0 auto 20px;
  line-height: 1.3;
  word-break: break-word;
}

.typing-input {
  display: block;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: 14px 18px;
  border-radius: 12px;
  border: 2px solid var(--color-border);
  font-size: 1.2rem;
  text-align: center;
  font-family: var(--font-base);
}

.typing-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.typing-feedback {
  text-align: center;
  min-height: 1.4em;
  margin-top: 12px;
  font-weight: 700;
}

.typing-feedback.correct {
  color: #16a34a;
}

.typing-feedback.incorrect {
  color: #dc2626;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info .card {
  margin-bottom: 16px;
}

form.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-form label {
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 6px;
  display: block;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  font-family: inherit;
  font-size: 0.95rem;
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 40px 0 24px;
  margin-top: 40px;
  color: var(--color-text-muted);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  text-align: center;
  font-size: 0.85rem;
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
}

/* ---------- Responsive ---------- */
@media (max-width: 800px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px;
    display: none;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 12px 14px;
  }

  .header-actions .btn-comfort span.label {
    display: none;
  }
}

/* ---------- Dark mode ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f172a;
    --color-bg-alt: #1e293b;
    --color-card: #1e293b;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-border: #334155;
  }

  .site-header {
    background: rgba(15, 23, 42, 0.9);
  }
}