/* ============================================================
   Matt Bannon Online — shared site styles
   Material 3 inspired dark theme, kept consistent across pages.
   ============================================================ */

:root {
  color-scheme: dark;
  --md-sys-color-primary: #d0bcff;
  --md-sys-color-on-primary: #381e72;
  --md-sys-color-primary-container: #4f378b;
  --md-sys-color-on-primary-container: #eaddff;
  --md-sys-color-surface: #141218;
  --md-sys-color-surface-container: #211f26;
  --md-sys-color-surface-container-high: #2b2930;
  --md-sys-color-on-surface: #e6e0e9;
  --md-sys-color-on-surface-variant: #cac4d0;
  --md-sys-color-outline: #948f99;
  --md-sys-color-secondary-container: #4a4458;
  --md-sys-color-on-secondary-container: #e8def8;
  --md-elevation-1: 0 1px 2px rgba(0, 0, 0, 0.35), 0 2px 6px rgba(0, 0, 0, 0.25);
  --md-elevation-2: 0 2px 6px rgba(0, 0, 0, 0.4), 0 6px 14px rgba(0, 0, 0, 0.3);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: 'Roboto', system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 12% 8%, #241d34 0%, var(--md-sys-color-surface) 42%);
  color: var(--md-sys-color-on-surface);
  min-height: 100vh;
}

a { color: var(--md-sys-color-primary); }

/* ---- Top navigation ---- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: color-mix(in srgb, var(--md-sys-color-surface) 82%, black);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(148, 143, 153, 0.22);
}

.site-nav .brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--md-sys-color-on-surface);
  font-size: 1.02rem;
}

.brand .brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, #d0bcff, #7c5cff);
  box-shadow: 0 0 12px rgba(208, 188, 255, 0.7);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--md-sys-color-on-surface-variant);
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 120ms ease, color 120ms ease;
}

.nav-links a:hover { background: var(--md-sys-color-surface-container-high); color: var(--md-sys-color-on-surface); }
.nav-links a.active { background: var(--md-sys-color-primary-container); color: var(--md-sys-color-on-primary-container); }

/* ---- Buttons ---- */
.btn {
  border: none;
  border-radius: 999px;
  padding: 0.6rem 1.1rem;
  cursor: pointer;
  transition: transform 120ms ease, filter 120ms ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 500;
}
.btn:hover { filter: brightness(1.07); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--md-sys-color-primary); color: var(--md-sys-color-on-primary); }
.btn-tonal { background: var(--md-sys-color-primary-container); color: var(--md-sys-color-on-primary-container); }

/* ---- Generic surface / layout ---- */
.layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.surface {
  background: color-mix(in srgb, var(--md-sys-color-surface-container) 92%, black);
  border: 1px solid rgba(148, 143, 153, 0.3);
  border-radius: 24px;
  padding: 1.25rem;
  box-shadow: var(--md-elevation-1);
}

.footer-note {
  text-align: center;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.8rem;
  padding: 1.5rem 1rem 2.5rem;
}