/* ════════════════════════════════════════
   DESIGN TOKENS – Farben & Maße zentral
   ════════════════════════════════════════ */
:root {
  --green:      #10b981;   /* Akzentfarbe */
  --green-bg:   #f0fdf8;
  --green-mid:  #a7f3d0;
  --gray:       #6b7280;   /* Fließtext */
  --gray-d:     #374151;
  --bg:         #ffffff;
  --tile:       #f9fafb;   /* Kachelfarbe */
  --border:     #e5e7eb;
  --text:       #111827;   /* Haupttext */
  --raycast:    #e85d4a;   /* Raycast-Akzent */
  --raycast-bg: #fff8f7;
  --raycast-br: #fecaca;
  --suno:       #6d5bd0;   /* Suno-Akzent */
  --suno-bg:    #f5f3ff;
  --suno-br:    #ddd6fe;
  --max:        72rem;     /* max. Seitenbreite */
  --r:          0.75rem;   /* Border-Radius */
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Georgia', 'Times New Roman', serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ════════════════════════════════════════
   HERO
   ════════════════════════════════════════ */
header {
  position: relative;
  border-bottom: 1px solid var(--border);
  padding: 3.5rem 0 4rem;
  text-align: center;
}

/* "MathEU & Co." – Hauptzeile */
.hero-title {
  font-family: 'Georgia', serif;
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1.1;
  margin-bottom: 0.6rem;
}

/* Werner Deuermeier – in Courier, klein */
.hero-name {
  font-family: 'Courier New', monospace;
  font-size: clamp(0.85rem, 2vw, 1rem);
  color: var(--gray);
  letter-spacing: 0.08em;
  margin-bottom: 2rem;
}

/* Icon-Links: GitHub, Bücher, Kontakt */
.hero-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.icon-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 1.1rem;
  border: 1.5px solid var(--border);
  border-radius: 2rem;
  font-family: 'Courier New', monospace;
  font-size: 0.82rem;
  text-decoration: none;
  color: var(--gray-d);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  letter-spacing: 0.03em;
}

.icon-link:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-bg);
}

.icon-link svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ════════════════════════════════════════
   SPRACHUMSCHALTER – oben rechts im Header
   ════════════════════════════════════════ */
.lang-switch {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.lang-switch a { color: var(--gray); text-decoration: none; }
.lang-switch a:hover { color: var(--green); }
.lang-switch .lang-current { color: var(--green); font-weight: 700; }
.lang-switch .lang-sep { color: var(--border); }

@media (max-width: 480px) {
  .lang-switch { top: 1rem; right: 1rem; font-size: 0.7rem; }
}

/* ════════════════════════════════════════
   SECTION LABEL (Trennzeile mit Text)
   ════════════════════════════════════════ */
.section-label {
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.section-label--raycast       { color: var(--raycast); }
.section-label--raycast::after { background: var(--raycast-br); }
.section-label--suno          { color: var(--suno); }
.section-label--suno::after    { background: var(--suno-br); }

/* ════════════════════════════════════════
   PROJEKT-GRID
   Mobile: 1 Spalte → Tablet: 2 → Desktop: 3
   ════════════════════════════════════════ */
#projekte { padding: 4rem 0 2rem; }

.grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }

@media (min-width: 640px)  { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid { grid-template-columns: repeat(3, 1fr); } }

/* ════════════════════════════════════════
   KACHEL (Card)
   ════════════════════════════════════════ */
.card {
  background: var(--tile);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.75rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
}

.card:hover {
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.1);
  border-color: var(--green);
  transform: translateY(-2px);
}

/* Thumbnail + Titel nebeneinander */
.card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Thumbnail: kreisrundes Bild ODER Emoji-Fallback
   Bild liegt z.B. in assets/thumbs/matheu.png
   Fehlt die Datei → img bleibt unsichtbar (onerror) */
.card-thumb {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--border);  /* Platzhalterfarbe wenn kein Bild */
  display: none;              /* wird per JS eingeblendet wenn Bild da */
}

/* Emoji-Icon als Fallback (bleibt sichtbar wenn kein Thumb) */
.card-icon { font-size: 1.75rem; line-height: 1; flex-shrink: 0; }

.card-title-wrap { display: flex; flex-direction: column; gap: 0.15rem; }

.card-title {
  font-family: 'Georgia', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.card-subtitle {
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.card-desc {
  font-size: 0.92rem;
  color: var(--gray);
  line-height: 1.65;
  flex: 1;
}

.card-link {
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  color: var(--green);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.25rem;
  letter-spacing: 0.05em;
  transition: gap 0.2s;
}

.card:hover .card-link { gap: 0.55rem; }

/* Hervorgehobene Kachel (MathEU) */
.card--featured { background: var(--green-bg); border-color: var(--green-mid); }
.card--featured:hover { background: #ecfdf5; }

/* ════════════════════════════════════════
   SUNO-SEKTION – schlanke Songliste statt Kacheln
   Cover liegen in assets/suno/ (40×40, abgerundet).
   Fehlt ein Bild → ♪-Platzhalter bleibt.
   ════════════════════════════════════════ */
#suno {
  padding: 2rem 0 2rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

.suno-list { display: grid; grid-template-columns: 1fr; column-gap: 2.5rem; }
@media (min-width: 640px) { .suno-list { grid-template-columns: repeat(2, 1fr); } }

.song {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
}

.song-art {
  position: relative;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 0.4rem;
  overflow: hidden;
  background: var(--suno-bg);
  color: var(--suno);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.song-art img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

.song-text { display: flex; flex-direction: column; gap: 0.1rem; min-width: 0; flex: 1; }

.song-meta {
  font-family: 'Courier New', monospace;
  font-size: 0.68rem;
  color: var(--suno);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.song-title {
  font-family: 'Georgia', serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.25;
  transition: color 0.2s;
}

.song-go {
  font-family: 'Courier New', monospace;
  color: var(--suno);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.2s, transform 0.2s;
}

.song:hover .song-title { color: var(--suno); }
.song:hover .song-go    { opacity: 1; transform: none; }

.suno-more {
  display: inline-flex;
  margin-top: 1.25rem;
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  color: var(--suno);
  text-decoration: none;
  letter-spacing: 0.05em;
}

.suno-more:hover { text-decoration: underline; }

/* ════════════════════════════════════════
   RAYCAST-SEKTION
   ════════════════════════════════════════ */
#raycast {
  padding: 2rem 0 4rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

.raycast-intro {
  font-size: 0.92rem;
  color: var(--gray);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.raycast-intro a { color: var(--green); text-decoration: none; }
.raycast-intro a:hover { text-decoration: underline; }

.raycast-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 640px) { .raycast-grid { grid-template-columns: repeat(2, 1fr); } }

/* Raycast-Kachel */
.card--raycast { background: var(--raycast-bg); border-color: var(--raycast-br); }
.card--raycast:hover {
  box-shadow: 0 4px 20px rgba(232, 93, 74, 0.1);
  border-color: var(--raycast);
}
.card--raycast .card-subtitle { color: var(--raycast); }
.card--raycast .card-link     { color: var(--raycast); }

.raycast-badge {
  display: inline-flex;
  font-family: 'Courier New', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--raycast);
  color: #fff;
  border-radius: 0.25rem;
  padding: 0.15rem 0.5rem;
  margin-bottom: 0.25rem;
  width: fit-content;
}

#glaze { padding: 2rem 0 4rem; border-top: 1px solid var(--border); margin-top: 2rem; }

/* ════════════════════════════════════════
   ABOUT
   ════════════════════════════════════════ */
#about { border-top: 1px solid var(--border); padding: 3.5rem 0; }

.about-inner { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }

@media (min-width: 768px) {
  .about-inner { grid-template-columns: 1fr 2fr; align-items: start; gap: 3rem; }
}

.about-name     { font-family: 'Courier New', monospace; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--gray); margin-bottom: 0.4rem; }
.about-location { font-family: 'Georgia', serif; font-size: 1.5rem; font-weight: 700; color: var(--text); letter-spacing: -0.02em; }
.about-text     { font-size: 0.95rem; color: var(--gray); line-height: 1.8; }
.about-text p + p { margin-top: 0.75rem; }

/* ════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════ */
footer { border-top: 1px solid var(--border); padding: 2rem 0; }

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.footer-copy { font-family: 'Courier New', monospace; font-size: 0.75rem; color: var(--gray); letter-spacing: 0.05em; }

.footer-nav { display: flex; gap: 1.5rem; }
.footer-nav a { font-family: 'Courier New', monospace; font-size: 0.75rem; color: var(--gray); text-decoration: none; letter-spacing: 0.05em; transition: color 0.2s; }
.footer-nav a:hover { color: var(--green); }