@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@600;700;800&display=swap');

:root {
  --bg-primary: #0a0a0f;
  --bg-card: #14141f;
  --bg-card-hover: #1a1a2e;
  --bg-surface: #1e1e30;
  --text-primary: #e8e8f0;
  --text-secondary: #8888a0;
  --text-muted: #55556a;
  --border-subtle: rgba(255,255,255,0.06);
  --border-glow: rgba(255,255,255,0.12);

  --der-blue: #3b82f6;
  --der-blue-glow: rgba(59,130,246,0.3);
  --die-rose: #f43f5e;
  --die-rose-glow: rgba(244,63,94,0.3);
  --das-emerald: #10b981;
  --das-emerald-glow: rgba(16,185,129,0.3);

  --gold: #f59e0b;
  --gold-glow: rgba(245,158,11,0.25);
  --purple: #8b5cf6;
  --purple-glow: rgba(139,92,246,0.25);

  --correct: #22c55e;
  --correct-glow: rgba(34,197,94,0.3);
  --wrong: #ef4444;
  --wrong-glow: rgba(239,68,68,0.3);
  --warning: #f59e0b;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --glass-bg: rgba(20,20,31,0.7);
  --glass-border: rgba(255,255,255,0.08);
  --glass-blur: blur(20px);

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.4,0,0.2,1);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg-primary: #f4f4f9;
    --bg-card: #ffffff;
    --bg-card-hover: #eef0f8;
    --bg-surface: #e2e4f0;
    --text-primary: #0f0f1a;
    --text-secondary: #4a4a66;
    --text-muted: #707088;
    --border-subtle: rgba(0,0,0,0.08);
    --border-glow: rgba(0,0,0,0.16);
    --glass-bg: rgba(255,255,255,0.85);
    --glass-border: rgba(0,0,0,0.08);
  }
}

[data-theme="light"] {
  --bg-primary: #f4f4f9;
  --bg-card: #ffffff;
  --bg-card-hover: #eef0f8;
  --bg-surface: #e2e4f0;
  --text-primary: #0f0f1a;
  --text-secondary: #4a4a66;
  --text-muted: #707088;
  --border-subtle: rgba(0,0,0,0.08);
  --border-glow: rgba(0,0,0,0.16);
  --glass-bg: rgba(255,255,255,0.85);
  --glass-border: rgba(0,0,0,0.08);
}

[data-theme="dark"] {
  --bg-primary: #0a0a0f;
  --bg-card: #14141f;
  --bg-card-hover: #1a1a2e;
  --bg-surface: #1e1e30;
  --text-primary: #e8e8f0;
  --text-secondary: #8888a0;
  --text-muted: #55556a;
  --border-subtle: rgba(255,255,255,0.06);
  --border-glow: rgba(255,255,255,0.12);
  --glass-bg: rgba(20,20,31,0.7);
  --glass-border: rgba(255,255,255,0.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, rgba(59,130,246,0.08), transparent),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(139,92,246,0.06), transparent);
  pointer-events: none;
  z-index: 0;
}

h1, h2, h3, h4 { font-family: 'Outfit', sans-serif; line-height: 1.2; }

a { color: var(--der-blue); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: #60a5fa; }

/* ===== HEADER ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  padding: 0 1.5rem;
}
.header-inner {
  max-width: 960px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-family: 'Outfit', sans-serif;
  transition: transform var(--transition-fast);
}
.site-logo:hover {
  transform: translateY(-1px);
}
.logo-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  overflow: hidden;
}
.site-logo:hover .logo-icon-wrap {
  transform: rotate(-5deg) scale(1.08);
  border-color: var(--der-blue);
  box-shadow: 0 4px 16px var(--der-blue-glow);
}
.logo-img {
  width: 22px;
  height: 22px;
  display: block;
}
.logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  line-height: 1;
}
.logo-dot {
  color: var(--die-rose);
  margin: 0 0.5px;
}
.logo-badge {
  background: linear-gradient(135deg, var(--der-blue), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}
.header-stats {
  display: flex; align-items: center; gap: 1rem;
  font-size: 0.85rem; font-weight: 600;
}
.stat-badge {
  display: flex; align-items: center; gap: 0.35rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}
.stat-badge .icon { font-size: 1rem; }
.stat-xp { color: var(--gold); }
.stat-streak { color: var(--die-rose); }
.mute-btn, .theme-btn {
  cursor: pointer;
  font-size: 1rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  justify-content: center;
  padding: 0.3rem 0.5rem;
}
.mute-btn:hover, .theme-btn:hover { border-color: var(--border-glow); color: var(--text-primary); }

/* ===== HERO ===== */
.hero {
  text-align: center;
  padding: 4rem 1.5rem 2rem;
  position: relative;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--der-blue), var(--die-rose), var(--das-emerald));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 480px; margin: 0 auto;
}

/* ===== GAME GRID ===== */
.game-grid {
  max-width: 960px; margin: 0 auto;
  padding: 1rem 1.5rem 4rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}
.game-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: block;
}
.game-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--card-accent, var(--der-blue));
  opacity: 0.7;
  transition: opacity var(--transition-normal);
}
.game-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4), 0 0 40px var(--card-glow, rgba(59,130,246,0.1));
}
.game-card:hover::before { opacity: 1; }

.card-emoji { font-size: 2.5rem; margin-bottom: 0.75rem; display: block; }

.card-header {
  display: flex; align-items: center; gap: 0.5rem;
  margin-bottom: 0.25rem; flex-wrap: wrap;
}
.card-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.3rem; font-weight: 700;
}
.card-badges { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.badge {
  font-size: 0.65rem; font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-level { background: var(--bg-surface); color: var(--text-secondary); border: 1px solid var(--border-subtle); }
.badge-grammar { background: rgba(139,92,246,0.15); color: var(--purple); }
.badge-vocab { background: rgba(59,130,246,0.15); color: var(--der-blue); }
.badge-spelling { background: rgba(245,158,11,0.15); color: var(--gold); }

.card-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 0.5rem;
}
.card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.card-play {
  display: inline-flex; align-items: center; gap: 0.4rem;
  margin-top: 1rem;
  font-weight: 600; font-size: 0.9rem;
  color: var(--card-accent, var(--der-blue));
  transition: gap var(--transition-fast);
}
.game-card:hover .card-play { gap: 0.7rem; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem; font-weight: 600;
  border: none; cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--der-blue), var(--purple));
  color: white;
  box-shadow: 0 4px 15px rgba(59,130,246,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(59,130,246,0.4); }

.btn-der { background: var(--der-blue); color: white; box-shadow: 0 4px 15px var(--der-blue-glow); }
.btn-die { background: var(--die-rose); color: white; box-shadow: 0 4px 15px var(--die-rose-glow); }
.btn-das { background: var(--das-emerald); color: white; box-shadow: 0 4px 15px var(--das-emerald-glow); }
.btn-der:hover, .btn-die:hover, .btn-das:hover { transform: translateY(-2px); filter: brightness(1.1); }

.btn-ghost {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}
.btn-ghost:hover { border-color: var(--border-glow); background: var(--bg-card-hover); }

.btn-lg { padding: 1rem 2rem; font-size: 1.1rem; border-radius: var(--radius-lg); }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.8rem; }

/* ===== GAME LAYOUT ===== */
.game-container {
  max-width: 640px;
  margin: 0 auto;
  padding: 1.5rem;
  min-height: calc(100vh - 60px);
  display: flex;
  flex-direction: column;
}
.game-hud {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
  font-size: 0.9rem; font-weight: 600;
}
.hud-item { display: flex; align-items: center; gap: 0.35rem; }
.hud-score { color: var(--gold); }
.hud-streak { color: var(--die-rose); }
.hud-lives { color: var(--wrong); }

.game-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

/* ===== ARTICLE BLITZ ===== */
.blitz-word {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 800;
  text-align: center;
  min-height: 5rem;
  display: flex; align-items: center; justify-content: center;
}
.blitz-timer {
  width: 100%; max-width: 400px;
  height: 6px;
  background: var(--bg-surface);
  border-radius: 999px;
  overflow: hidden;
}
.blitz-timer-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--correct), var(--warning));
  border-radius: 999px;
  transition: width 100ms linear;
}
.blitz-timer-bar.danger { background: linear-gradient(90deg, var(--warning), var(--wrong)); }
.blitz-buttons {
  display: flex; gap: 1rem;
  width: 100%; max-width: 400px;
}
.blitz-buttons .btn { flex: 1; font-size: 1.2rem; padding: 1rem; }
.blitz-rule {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
  min-height: 1.5rem;
  padding: 0.5rem;
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  max-width: 400px;
  width: 100%;
}

/* ===== WORDLE ===== */
.wordle-board {
  display: grid;
  grid-template-rows: repeat(6, 1fr);
  gap: 6px;
  margin: 0 auto;
}
.wordle-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}
.wordle-cell {
  width: 58px; height: 58px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem; font-weight: 700;
  text-transform: uppercase;
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: transparent;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}
.wordle-cell.filled { border-color: var(--text-muted); animation: pop 100ms ease; }
.wordle-cell.correct { background: var(--correct); border-color: var(--correct); color: white; }
.wordle-cell.present { background: var(--warning); border-color: var(--warning); color: white; }
.wordle-cell.absent { background: var(--bg-surface); border-color: var(--bg-surface); color: var(--text-muted); }
.wordle-cell.reveal { animation: flip 500ms ease forwards; }

@keyframes pop { 0% { transform: scale(1); } 50% { transform: scale(1.12); } 100% { transform: scale(1); } }
@keyframes flip {
  0% { transform: rotateX(0); }
  45% { transform: rotateX(90deg); }
  55% { transform: rotateX(90deg); }
  100% { transform: rotateX(0); }
}

.keyboard {
  display: flex; flex-direction: column; gap: 6px;
  width: 100%; max-width: 500px;
  margin-top: 1rem;
}
.keyboard-row {
  display: flex; justify-content: center; gap: 4px;
}
.key {
  min-width: 32px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem; font-weight: 600;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  padding: 0 0.5rem;
}
.key:hover { background: var(--bg-card-hover); border-color: var(--border-glow); }
.key:active { transform: scale(0.95); }
.key-wide { min-width: 56px; font-size: 0.75rem; }
.key.correct { background: var(--correct); border-color: var(--correct); color: white; }
.key.present { background: var(--warning); border-color: var(--warning); color: white; }
.key.absent { background: rgba(30,30,48,0.8); border-color: transparent; color: var(--text-muted); }

.wordle-message {
  text-align: center;
  padding: 1rem;
  font-weight: 600;
  min-height: 3.5rem;
}
.wordle-translation {
  text-align: center;
  padding: 0.75rem 1rem;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ===== SENTENCE BUILDER ===== */
.sb-english {
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-secondary);
  padding: 1rem;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  width: 100%; max-width: 500px;
}
.sb-english::before {
  content: '🇬🇧';
  margin-right: 0.5rem;
}
.sb-dropzone {
  display: flex; flex-wrap: wrap; gap: 8px;
  min-height: 60px;
  padding: 1rem;
  background: var(--bg-surface);
  border: 2px dashed var(--border-subtle);
  border-radius: var(--radius-md);
  width: 100%; max-width: 500px;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition-fast);
}
.sb-dropzone.active { border-color: var(--der-blue); }
.sb-dropzone.correct-zone { border-color: var(--correct); background: rgba(34,197,94,0.05); }
.sb-dropzone.wrong-zone { border-color: var(--wrong); background: rgba(239,68,68,0.05); }

.sb-tiles {
  display: flex; flex-wrap: wrap; gap: 8px;
  justify-content: center;
  width: 100%; max-width: 500px;
}
.sb-tile {
  padding: 0.6rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 1rem; font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}
.sb-tile:hover { border-color: var(--der-blue); background: var(--bg-card-hover); transform: translateY(-2px); }
.sb-tile.placed {
  opacity: 0.2;
  pointer-events: none;
  transform: scale(0.95);
  text-decoration: line-through;
  border-style: dashed;
}
.sb-tile.in-zone {
  background: var(--bg-card-hover);
  border-color: var(--der-blue);
}
.sb-tile.correct-tile { border-color: var(--correct); background: rgba(34,197,94,0.1); }
.sb-tile.wrong-tile { border-color: var(--wrong); background: rgba(239,68,68,0.1); }

.sb-controls {
  display: flex; gap: 0.75rem;
}
.sb-stars {
  font-size: 1.5rem;
  letter-spacing: 0.25rem;
}
.sb-tip {
  padding: 1rem;
  background: rgba(139,92,246,0.1);
  border: 1px solid rgba(139,92,246,0.2);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--text-secondary);
  max-width: 500px;
  width: 100%;
  text-align: center;
}
.sb-tip::before { content: '💡 '; }
.sb-progress {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition-normal);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2rem;
  max-width: 400px; width: 100%;
  text-align: center;
  transform: translateY(20px) scale(0.95);
  transition: transform var(--transition-slow);
}
.modal-overlay.active .modal { transform: translateY(0) scale(1); }
.modal h2 { margin-bottom: 1rem; font-size: 1.5rem; }
.modal-stat {
  display: flex; justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.9rem;
}
.modal-stat:last-of-type { border-bottom: none; }
.modal-stat-value { font-weight: 700; color: var(--gold); }
.modal-actions { margin-top: 1.5rem; display: flex; gap: 0.75rem; justify-content: center; }

/* ===== TOAST ===== */
.toast {
  position: fixed; top: 80px; left: 50%; transform: translateX(-50%) translateY(-20px);
  z-index: 300;
  padding: 0.75rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-weight: 600; font-size: 0.9rem;
  opacity: 0;
  transition: all var(--transition-normal);
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ===== LEVEL SELECTOR ===== */
.level-selector {
  display: flex; gap: 0.5rem; justify-content: center;
  margin-bottom: 1rem;
}
.level-btn {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.8rem; font-weight: 600;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.level-btn:hover { border-color: var(--border-glow); }
.level-btn.active {
  background: linear-gradient(135deg, var(--der-blue), var(--purple));
  color: white; border-color: transparent;
}

/* ===== SCORE FLYUP ===== */
.score-fly {
  position: fixed;
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem; font-weight: 800;
  color: var(--gold);
  pointer-events: none;
  animation: flyUp 800ms ease-out forwards;
  z-index: 250;
}
@keyframes flyUp {
  0% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(-60px) scale(1.3); }
}

/* ===== SEO CONTENT ===== */
.seo-text {
  max-width: 720px;
  margin: 3rem auto 0;
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.7;
}
.seo-heading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}
.seo-heading h2 {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin: 0;
}
.seo-lang-toggle {
  display: inline-flex;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}
.seo-lang-btn {
  padding: 0.2rem 0.55rem;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: transparent;
  color: var(--text-muted);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: 'Inter', sans-serif;
}
.seo-lang-btn:first-child { border-right: 1px solid var(--border-subtle); }
.seo-lang-btn.active {
  background: rgba(59,130,246,0.15);
  color: var(--der-blue);
}
.seo-text p { margin-bottom: 0.75rem; }
.seo-text p:last-child { margin-bottom: 0; }
.seo-text .lang-en, .seo-text .lang-de { display: none; }
.seo-text.show-en .lang-en { display: block; }
.seo-text.show-de .lang-de { display: block; }

/* ===== ABOUT PAGE ===== */
.about-container {
  max-width: 840px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}
.about-hero {
  text-align: center;
  margin-bottom: 3rem;
}
.about-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
}
.about-subtitle {
  color: var(--text-secondary);
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}
.about-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.about-icon {
  font-size: 2.2rem;
  margin-bottom: 0.75rem;
  display: inline-block;
}
.about-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}
.about-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}
.contact-box {
  background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(139,92,246,0.1));
  border: 1px solid rgba(139,92,246,0.25);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  text-align: center;
  margin-bottom: 3rem;
}
.contact-box h2 {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}
.contact-box p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}
.email-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--der-blue), var(--purple));
  color: #ffffff;
  font-weight: 600;
  font-size: 1rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 4px 15px rgba(59,130,246,0.3);
}
.email-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59,130,246,0.45);
  color: #ffffff;
}
.footer-nav {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 0.75rem;
}
.footer-nav a {
  color: var(--text-secondary);
  font-size: 0.85rem;
}
.footer-nav a:hover {
  color: var(--text-primary);
}

/* ===== FOOTER ===== */
.site-footer {
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border-subtle);
}


/* ===== ANIMATIONS ===== */
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes shake { 0%,100% { transform: translateX(0); } 20%,60% { transform: translateX(-6px); } 40%,80% { transform: translateX(6px); } }
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.1); } }

.animate-in { animation: fadeIn 400ms ease both; }
.shake { animation: shake 400ms ease; }
.pulse { animation: pulse 300ms ease; }

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .hero { padding: 2.5rem 1rem 1.5rem; }
  .hero h1 { font-size: 1.8rem; }
  .game-grid { padding: 1rem; gap: 1rem; }
  .game-card { padding: 1.25rem; }
  .game-container { padding: 1rem; }
  .blitz-word { font-size: 2.5rem; }
  .wordle-cell { width: 48px; height: 48px; font-size: 1.3rem; }
  .key { min-width: 26px; height: 46px; font-size: 0.75rem; }
  .blitz-buttons .btn { font-size: 1rem; padding: 0.85rem; }
  .header-stats { gap: 0.5rem; }
  .stat-badge { padding: 0.25rem 0.5rem; font-size: 0.75rem; }
}