/* ─── Reset & Base ─── */
:root {
  --void: #04060f;
  --deep: #080d1c;
  --mid: #0d1630;
  --surface: #111b3a;
  --border: rgba(100, 160, 255, 0.15);
  --border-gold: rgba(201,168,76,0.25);
  --cyan: #4fc3f7;
  --cyan-glow: rgba(79, 195, 247, 0.35);
  --gold: #c9a84c;
  --gold-pale: #e8d5a3;
  --text: #c8d8f0;
  --text-dim: #7a90b8;
  --white: #eef2ff;
  --font-display: 'Cinzel Decorative', serif;
  --font-heading: 'Alegreya SC', serif;
  --font-body: 'Crimson Pro', serif;
  --font-table: 'Literata', Georgia, serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background-color: var(--void);
  color: var(--text);
  font-family: var(--font-body);
}

/* ─── Starfield Canvas ─── */
#starfield {
      position: fixed;
      inset: 0;
      z-index: 0;
      pointer-events: none;
    }

/* ─── Navigation ─── */
.nav-logo {
      font-family: var(--font-display);
      font-size: 1rem;
      color: var(--gold);
      text-decoration: none;
      letter-spacing: 0.05em;
      white-space: nowrap;
    }
.nav-links {
      display: flex;
      list-style: none;
      gap: 0.25rem;
      flex-wrap: wrap;
      justify-content: flex-end;
    }
.nav-links a {
      color: var(--text-dim);
      text-decoration: none;
      font-family: var(--font-heading);
      font-size: 0.72rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      padding: 0.4rem 0.7rem;
      border-radius: 3px;
      transition: color 0.2s, background 0.2s;
    }
.nav-links a:hover {
      color: var(--cyan);
      background: rgba(79,195,247,0.07);
    }

/* ─── Online Tools dropdown ─── */
.nav-dropdown { position: relative; }
.nav-dropdown-toggle { cursor: pointer; }
.nav-dropdown-menu {
      display: none;
      position: absolute;
      top: calc(100% + 8px);
      left: 50%;
      transform: translateX(-50%);
      background: rgba(4,6,15,0.98);
      border: 1px solid var(--border);
      border-radius: 6px;
      list-style: none;
      padding: 0.4rem 0;
      min-width: 180px;
      box-shadow: 0 8px 30px rgba(0,0,0,0.5);
      z-index: 200;
      backdrop-filter: blur(12px);
    }
.nav-dropdown.open .nav-dropdown-menu { display: block; }
.nav-dropdown-menu li a {
      display: block;
      padding: 0.5rem 1rem;
      font-family: var(--font-heading);
      font-size: 0.68rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--text-dim);
      text-decoration: none;
      transition: color 0.15s, background 0.15s;
      white-space: nowrap;
    }
.nav-dropdown-menu li a:hover { color: var(--cyan); background: rgba(79,195,247,0.07); }
.nav-dropdown-menu li:not(:last-child) { border-bottom: 1px solid var(--border); }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); color: var(--cyan); padding: 0.4rem 0.6rem; border-radius: 4px; cursor: pointer; font-size: 1.1rem; }