/*!
 * theme.css — Brand colors as CSS custom properties, self-hosted fonts, typography scale, header/footer
 * Variant: 03-retro-film-reel-3 (Sunday Matinee)
 */

/* ─── Self-hosted Font imports ─────────────────────────────────────────────── */

/* Fonts loaded from /fonts/ directory - no CDN */
@font-face {
  font-family: 'Bebas Neue';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('./fonts/bebas-neue-400.woff2') format('woff2');
}

@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('./fonts/open-sans-400.woff2') format('woff2');
}

@font-face {
  font-family: 'Open Sans';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('./fonts/open-sans-400-italic.woff2') format('woff2');
}

@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('./fonts/open-sans-600.woff2') format('woff2');
}

@font-face {
  font-family: Nunito;
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('./fonts/nunito-400.woff2') format('woff2');
}

@font-face {
  font-family: Nunito;
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('./fonts/nunito-600.woff2') format('woff2');
}

@font-face {
  font-family: Cousine;
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('./fonts/cousine-400.woff2') format('woff2');
}

/* ─── Typography ─────────────────────────────────────────────────────────────── */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-headline);
  font-weight: 500;
  line-height: 1.1;
  color: var(--color-text);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.1em;
}

h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
}

h4 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: var(--space-md);
  max-width: 65ch;
  font-family: var(--font-body);
}

code {
  font-family: var(--font-code);
  font-size: 0.875em;
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
  padding: 0.125em 0.375em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

pre {
  font-family: var(--font-code);
  font-size: 0.875rem;
  line-height: 1.5;
  background-color: var(--color-bg-alt);
  color: var(--color-text);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: var(--border-medium) solid var(--color-border);
  overflow-x: auto;
  margin-bottom: var(--space-md);
}

pre code {
  background: none;
  padding: 0;
  color: inherit;
  border: none;
}

/* ─── Layout helpers ─────────────────────────────────────────────────────────── */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

@media (width >= 768px) {
  .container {
    padding-inline: var(--space-xl);
  }
}

.section {
  padding-block: var(--space-4xl);
}

/* ─── Header ─────────────────────────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: var(--border-thin) solid var(--color-border);
  height: var(--header-height);
  box-shadow: var(--shadow-sm);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* ─── Footer ─────────────────────────────────────────────────────────────────── */

.site-footer {
  background-color: var(--color-bg-alt);
  color: var(--color-text);
  padding-block: var(--space-3xl);
  margin-top: auto;
  border-top: var(--border-thin) solid var(--color-border);
}

.site-footer a {
  color: #c4960f;
}

.site-footer a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.footer-inner {
  display: grid;
  gap: var(--space-xl);
}

.footer-tagline {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-xl);
}

.footer-col h3 {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.footer-col ul {
  display: grid;
  gap: var(--space-sm);
  list-style: none;
  padding: 0;
}

.footer-col a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer-copy {
  font-family: var(--font-code);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-xl);
  letter-spacing: 0.05em;
}

/* ─── Primary Navigation ──────────────────────────────────────────────────────── */

.nav-primary {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  width: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.nav-logo:hover {
  transform: scale(1.03);
}

.nav-logo img {
  height: 48px;
  width: auto;
  filter: brightness(0) invert(1);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-left: auto;
  list-style: none;
  padding: 0;
}

.nav-menu a {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-menu a:hover {
  color: var(--color-teal);
  text-decoration: none;
  background-color: var(--color-bg-alt);
}

.nav-menu a[aria-current='page'] {
  color: var(--color-primary);
  background-color: transparent;
}

.nav-menu a[aria-current='page']::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background-color: var(--color-primary);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: var(--border-medium) solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
  cursor: pointer;
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.nav-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.nav-toggle[aria-expanded='true'] {
  background-color: var(--color-bg-alt);
  border-color: var(--color-primary);
}

.nav-toggle svg {
  display: block;
}

/* ─── Responsive nav ────────────────────────────────────────────────────────── */

@media (width <= 900px) {
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-menu {
    position: fixed;
    inset: var(--header-height) 0 0 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background-color: var(--color-bg);
    padding: var(--space-md);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    z-index: 99;
  }

  .nav-menu.is-open {
    transform: translateX(0);
  }

  .nav-menu a {
    display: block;
    padding: var(--space-md);
    font-size: var(--text-sm);
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
  }

  .nav-menu a:hover {
    background-color: var(--color-bg-alt);
    color: var(--color-teal);
  }

  .nav-menu a[aria-current='page'] {
    background-color: transparent;
    color: var(--color-primary);
  }

  .nav-menu a[aria-current='page']::after {
    display: none;
  }
}