/* ===== CSS Variables ===== */
:root {
  /* Base */
  --bg: #f5f5f5;               /* off-white, like a gi */
  --card-bg: #ffffff;
  --text: #111827;             /* near-black */
  --muted: #6b7280;
  --border: #e5e7eb;

  /* Karate accents */
  --primary: #9b1c1c;          /* deep dojo red */
  --primary-dark: #7f1b1b;
  --accent: #111111;           /* black belt */

  /* Status */
  --success: #166534;
  --warning: #b45309;

  /* Shape & depth */
  --radius: 8px;
  --shadow: 0 3px 6px rgba(0,0,0,0.08);
}

/* ===== Reset ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* ===== Layout ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* ===== Header ===== */
.site-header {
  background: var(--accent);
  border-bottom: 4px solid var(--primary);
}

.site-header .logo {
  font-size: x-large;
  color: white;
}

.nav a {
  color: #d1d5db;
  font-size: large;
}

.nav a.active,
.nav a:hover {
  color: white;
}




.logo {
  margin: 0;
  font-size: 1.25rem;
}

/* ===== Footer ===== */
.site-footer {
  margin-top: 3rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--muted);
  text-align: center;
}

/* ===== Links ===== */
a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}