/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f0f1a;
  --bg-card: #1a1a2e;
  --bg-nav: #16213e;
  --text: #e0e0e0;
  --text-muted: #9a9ab0;
  --accent: #f0c040;
  --accent-dim: #c8a030;
  --link: #6cb4ee;
  --border: #2a2a4a;
  --gradient-hero: linear-gradient(135deg, #0f0f1a 0%, #1a1a3e 50%, #2a1a2e 100%);
  font-size: 16px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--link); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent); text-decoration: underline; }

img { max-width: 100%; height: auto; }

/* ===== HEADER ===== */
header {
  background: var(--bg-nav);
  border-bottom: 2px solid var(--accent-dim);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.5px;
}
.logo:hover { text-decoration: none; color: var(--accent); }
.logo span { color: var(--text); }

/* ===== NAV ===== */
nav { display: flex; align-items: center; gap: 0.5rem; }

nav a {
  color: var(--text-muted);
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
}
nav a:hover, nav a.active { color: var(--accent); background: rgba(240,192,64,0.1); text-decoration: none; }

.menu-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; padding: 0.4rem; }

@media (max-width: 768px) {
  .menu-toggle { display: block; }
  nav {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg-nav);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 2px solid var(--border);
    gap: 0.25rem;
  }
  nav.open { display: flex; }
  nav a { width: 100%; padding: 0.6rem 1rem; }
}

/* ===== HERO ===== */
.hero {
  background: var(--gradient-hero);
  text-align: center;
  padding: 4rem 1rem;
  border-bottom: 1px solid var(--border);
}
.hero h1 { font-size: 2.5rem; color: var(--accent); margin-bottom: 0.75rem; }
.hero p { font-size: 1.1rem; color: var(--text-muted); max-width: 600px; margin: 0 auto; }

/* ===== MAIN ===== */
main { flex: 1; max-width: 1200px; margin: 0 auto; padding: 2rem 1rem; width: 100%; }

.page-content { max-width: 800px; margin: 0 auto; }

/* ===== FOOTER ===== */
footer {
  background: var(--bg-nav);
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: auto;
}

/* ===== TYPOGRAPHY ===== */
h1 { font-size: 2rem; color: var(--accent); margin-bottom: 1rem; }
h2 { font-size: 1.5rem; color: var(--accent-dim); margin: 2rem 0 0.75rem; padding-bottom: 0.4rem; border-bottom: 1px solid var(--border); }
h3 { font-size: 1.2rem; color: var(--text); margin: 1.5rem 0 0.5rem; }
p { margin-bottom: 1rem; }
ul, ol { margin: 0 0 1rem 1.5rem; }
li { margin-bottom: 0.4rem; }

/* ===== CARDS ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  transition: transform 0.2s, border-color 0.2s;
}
.card:hover { transform: translateY(-2px); border-color: var(--accent-dim); }
.card h3 { margin-top: 0; font-size: 1.05rem; }
.card h3 a { color: var(--accent); }
.card p { font-size: 0.9rem; color: var(--text-muted); margin: 0.5rem 0 0; }

/* ===== INFO BOXES ===== */
.info-box {
  background: var(--bg-card);
  border-left: 4px solid var(--accent);
  padding: 1rem 1.25rem;
  border-radius: 0 8px 8px 0;
  margin: 1.5rem 0;
}
.info-box.tip { border-left-color: #4ecdc4; }
.info-box.warning { border-left-color: #ff6b6b; }
.info-box h4 { color: var(--accent); margin-bottom: 0.4rem; }
.info-box.tip h4 { color: #4ecdc4; }
.info-box.warning h4 { color: #ff6b6b; }
.info-box p:last-child { margin-bottom: 0; }

/* ===== STAT TABLE ===== */
.stats-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.stats-table th, .stats-table td {
  padding: 0.6rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.stats-table th { background: var(--bg-card); color: var(--accent); font-weight: 600; }
.stats-table tr:hover td { background: rgba(240,192,64,0.03); }

/* ===== PROGRESSION LIST ===== */
.progression { list-style: none; margin: 0; padding: 0; }
.progression li {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.progression .badge {
  background: var(--accent-dim);
  color: #000;
  font-weight: 700;
  font-size: 0.8rem;
  min-width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.progression .step-content h4 { color: var(--accent); margin-bottom: 0.2rem; }
.progression .step-content p { font-size: 0.9rem; color: var(--text-muted); margin: 0; }

/* ===== BREADCRUMBS ===== */
.breadcrumbs { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1.5rem; }
.breadcrumbs a { color: var(--text-muted); }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs span { color: var(--accent-dim); }

/* ===== TAG ===== */
.tag {
  display: inline-block;
  background: rgba(240,192,64,0.15);
  color: var(--accent);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-weight: 600;
}
.tag.hardmode { background: rgba(255,107,107,0.15); color: #ff6b6b; }

/* ===== RESPONSIVE ===== */
@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .hero { padding: 2.5rem 1rem; }
  .card-grid { grid-template-columns: 1fr; }
  .progression li { flex-direction: column; text-align: center; }
  h1 { font-size: 1.5rem; }
}