/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-hover: #22263a;
  --border: #2a2e3e;
  --text: #e4e6f0;
  --text-dim: #8b8fa7;
  --accent-fussball: #22c55e;
  --accent-partei: #ef4444;
  --accent-brettspiele: #a855f7;
  --accent-blue: #3b82f6;
  --accent-exchange: #f59e0b;
  --radius: 12px;
}
html { font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ===== Layout ===== */
.wrapper { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  margin-bottom: 40px;
}
header .wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-brettspiele));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
header h1 span { color: var(--text); }
nav { display: flex; gap: 6px; }
nav a {
  padding: 8px 16px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
}
nav a:hover { background: var(--bg-hover); color: var(--text); }
nav a.active {
  background: var(--bg-hover);
  color: var(--text);
}

/* ===== Hero Section ===== */
.hero {
  text-align: center;
  padding: 40px 0 50px;
}
.hero h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.hero p {
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Project Cards ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  padding-bottom: 60px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
}
.card[data-project="fussball"]::before { background: var(--accent-fussball); }
.card[data-project="partei"]::before { background: var(--accent-partei); }
.card[data-project="brettspiele"]::before { background: var(--accent-brettspiele); }
.card[data-project="exchange"]::before { background: var(--accent-exchange); }
.card:hover {
  border-color: transparent;
  transform: translateY(-3px);
  background: var(--bg-hover);
}
.card[data-project="fussball"]:hover { box-shadow: 0 8px 30px rgba(34,197,94,0.12); }
.card[data-project="partei"]:hover { box-shadow: 0 8px 30px rgba(239,68,68,0.12); }
.card[data-project="brettspiele"]:hover { box-shadow: 0 8px 30px rgba(168,85,247,0.12); }
.card[data-project="exchange"]:hover { box-shadow: 0 8px 30px rgba(245,158,11,0.12); }

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}
.card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.card p {
  color: var(--text-dim);
  font-size: 0.93rem;
  line-height: 1.5;
}
.card .badges {
  margin-top: 16px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--bg);
  color: var(--text-dim);
  border: 1px solid var(--border);
}

/* ===== Sub-Navigation (für Bereiche mit Unterseiten) ===== */
.sub-nav {
  display: flex;
  gap: 0.5rem;
  padding: 8px 0;
  margin-bottom: 24px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  border-bottom: 1px solid var(--border);
}
.sub-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.88rem;
  font-weight: 500;
  white-space: nowrap;
  transition: all 0.2s;
  border: 1px solid transparent;
}
.sub-nav a:hover {
  background: var(--bg-hover);
  color: var(--text);
}
.sub-nav a.active {
  background: rgba(34,197,94,0.12);
  color: #22c55e;
  border-color: rgba(34,197,94,0.2);
}

/* ===== Section Pages ===== */
.section-header {
  padding: 20px 0 30px;
}
.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.section-header p {
  color: var(--text-dim);
}
.section-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 16px;
  transition: color 0.2s;
}
.section-back:hover { color: var(--text); }

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  padding-bottom: 60px;
}
.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.2s;
}
.tool-card:hover {
  background: var(--bg-hover);
  border-color: transparent;
  transform: translateY(-2px);
}
.tool-card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.tool-card p {
  color: var(--text-dim);
  font-size: 0.88rem;
}
.tool-card .icon { font-size: 1.8rem; margin-bottom: 10px; }

/* ===== Footer ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  margin-top: 20px;
}
footer p {
  color: var(--text-dim);
  font-size: 0.85rem;
  text-align: center;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  header .wrapper { flex-direction: column; gap: 12px; }
  .hero h2 { font-size: 1.6rem; }
  .grid { grid-template-columns: 1fr; }
}

/* ===== Heute-Bereich (Partei) ===== */
.heute-section {
  margin-bottom: 40px;
}
.heute-section h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--accent-partei);
}
.heute-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}
.heute-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: all 0.2s;
}
.heute-card:hover {
  border-color: var(--accent-partei);
  box-shadow: 0 4px 20px rgba(239,68,68,0.1);
}
.heute-header {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
}
.heute-time {
  font-size: 0.82rem;
  padding: 2px 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-dim);
}
.heute-format {
  font-size: 0.82rem;
  padding: 2px 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--accent-partei);
}
.heute-card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.heute-preview {
  background: var(--bg);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 12px;
  border-left: 3px solid var(--accent-partei);
}
.heute-preview p {
  font-size: 0.88rem;
  color: var(--text-dim);
  font-style: italic;
  line-height: 1.4;
}
.heute-quellen {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 10px;
  line-height: 1.4;
}
.heute-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--accent-partei);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s;
}
.heute-link:hover {
  opacity: 0.8;
  text-decoration: underline;
}