/* SqrlyCode — Root-Landing (Kursauswahl).
   Eigenständiges Seitengerüst der Startseite; nutzt ausschließlich DS-Tokens
   aus design-system/styles.css und die Komponenten aus components.css. */

.landing {
  min-height: 100vh;
  background: var(--bg-1);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
}

/* ---------- Kopf ---------- */

.landing-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-1);
}

.landing-wordmark {
  display: inline-flex;
  align-items: baseline;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-md);
  color: var(--text-primary);
}

/* "Sqrly" in der Markenfarbe (pink), "Code" bleibt in der Textfarbe —
   identisch zur Wortmarke im Kurs-Seitenkopf. */
.landing-wordmark__sqrly { color: var(--brand-accent); }

/* ---------- Inhaltsbreite ---------- */

.landing-main {
  flex: 1;
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: var(--space-16) var(--space-6) var(--space-16);
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

/* ---------- Hero ---------- */

.hero {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 620px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--brand-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero__eyebrow i { width: 15px; height: 15px; }

.hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-4xl);
  line-height: var(--leading-tight);
  color: var(--text-primary);
}

.hero__lead {
  margin: 0;
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

/* ---------- Kursbereich ---------- */

.courses {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.courses__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
}

.courses__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-2xl);
  color: var(--text-primary);
}

.courses__count {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-5);
}

/* ---------- Kurskachel ---------- */

.course-card {
  --card-accent: var(--brand-primary);
  --card-accent-muted: var(--brand-primary-muted);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--bg-2);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.course-card--raylib { --card-accent: var(--course-raylib); --card-accent-muted: var(--course-raylib-muted); }
.course-card--basics { --card-accent: var(--course-basics); --card-accent-muted: var(--course-basics-muted); }
.course-card--unity  { --card-accent: var(--course-unity-text); --card-accent-muted: var(--course-unity-muted); }

a.course-card:hover {
  transform: translateY(-3px);
  border-color: var(--card-accent);
  box-shadow: var(--shadow-md);
}

a.course-card:focus-visible {
  outline: none;
  border-color: var(--card-accent);
  box-shadow: var(--focus-ring);
}

.course-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--card-accent-muted);
  color: var(--card-accent);
}

.course-card__icon i { width: 24px; height: 24px; }

.course-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.course-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  font-size: var(--text-lg);
  color: var(--text-primary);
}

.course-card__desc {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--text-secondary);
}

.course-card__foot {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.course-card__meta {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* Pfeil-Hinweis oben rechts (Ecke gegenüber dem Icon, kollidiert nicht mit dem
   Fortschrittsbalken): gleitet beim Hover leicht nach rechts */
.course-card__cue {
  position: absolute;
  right: var(--space-6);
  top: var(--space-6);
  color: var(--card-accent);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.course-card__cue i { width: 20px; height: 20px; }

a.course-card:hover .course-card__cue {
  opacity: 1;
  transform: translateX(0);
}

/* Fortschrittsbalken (nur verfügbare Kurse) — Füllung in der Kursakzentfarbe */
.course-card__progress {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.course-card__bar {
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--bg-4);
  overflow: hidden;
}

.course-card__bar > span {
  display: block;
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--card-accent);
  transition: width 0.3s ease;
}

.course-card__progress-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* Geplanter Kurs: gedämpft, nicht klickbar, kein Hover */
.course-card.is-planned {
  opacity: 0.72;
  cursor: default;
  border-style: dashed;
}

@media (prefers-reduced-motion: reduce) {
  .course-card { transition: border-color 0.18s ease; }
  a.course-card:hover { transform: none; }
  .course-card__cue { transition: opacity 0.18s ease; transform: none; }
}

/* ---------- Fuß ---------- */

.landing-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ---------- Schmale Screens ---------- */

@media (max-width: 640px) {
  .landing-main { padding: var(--space-10) var(--space-4) var(--space-12); gap: var(--space-10); }
  .hero__title { font-size: var(--text-3xl); }
  .course-grid { grid-template-columns: 1fr; }
}