/* ============================================================
   VERNAL — components.css
   Nav and footer styles shared across all public pages.
   Source: WD v1 HTML concepts (About, Blog Index, Blog Post Template).
   Tokens from global.css; hardcoded values match WD source exactly.
   ============================================================ */

/* ============================================================
   NAV
   ============================================================ */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-nav-bg);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-5);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
}

@media (min-width: 768px) {
  .nav-inner { padding: 0 var(--sp-7); }
}

.nav-logo {
  font-family: var(--font-ui);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-text-on-primary);
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.nav-logo span { color: var(--c-gold); }

.nav-links {
  display: none;
  align-items: center;
  gap: var(--sp-6);
  list-style: none;
}

@media (min-width: 768px) {
  .nav-links { display: flex; }
}

/* GitHub link hidden below 1024px — not critical at narrow widths */
@media (max-width: 1024px) {
  .nav-links li:last-child { display: none; }
}

.nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: rgba(240, 237, 230, 0.72);
  transition: color var(--t-fast) var(--ease);
}

.nav-links a:hover,
.nav-links a.active,
.nav-links a[aria-current="page"] {
  color: var(--c-text-on-primary);
}

.nav-links a.active,
.nav-links a[aria-current="page"] {
  font-weight: 600;
}

.nav-external-icon {
  display: inline-block;
  margin-left: 3px;
  opacity: 0.6;
  vertical-align: middle;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-nav-bg);
  background: var(--c-gold);
  border: none;
  border-radius: var(--r-md);
  padding: 8px var(--sp-4);
  cursor: pointer;
  transition: opacity var(--t-fast) var(--ease);
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: 0.01em;
}

.nav-cta:hover { opacity: 0.88; }

@media (max-width: 480px) {
  .nav-cta { padding: 8px 14px; }
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background: var(--c-nav-bg);
  padding: var(--sp-7) 0 var(--sp-6);
}

.footer-top {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

@media (min-width: 640px) {
  .footer-top {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.footer-logo {
  font-family: var(--font-ui);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-text-on-primary);
  letter-spacing: -0.01em;
}

.footer-logo span { color: var(--c-gold); }

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  list-style: none;
}

.footer-links a {
  font-size: 13px;
  color: rgba(240, 237, 230, 0.62);
  transition: color var(--t-fast) var(--ease);
}

.footer-links a:hover { color: var(--c-text-on-primary); }

.footer-copy {
  font-size: 12px;
  color: rgba(240, 237, 230, 0.38);
  margin-top: var(--sp-5);
  padding-top: var(--sp-4);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* ============================================================
   UTILITY — moved from about.css in Phase 06
   Used by About, Blog, and Blog Post pages.
   ============================================================ */

/* Narrow prose column — About, Blog Post */
.container-prose {
  max-width: var(--prose-w);
  margin: 0 auto;
  padding: 0 var(--sp-5);
}

@media (min-width: 768px) {
  .container-prose { padding: 0 var(--sp-7); }
}

/* Eyebrow label — small uppercase section label */
.eyebrow {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-primary);
  margin-bottom: var(--sp-3);
}

/* ============================================================
   POST TAG — moved from blog.css in Phase 07
   Used by Blog Index and Blog Post pages.
   ============================================================ */

.post-tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  color: var(--c-primary);
  background: var(--c-primary-subtle);
  border-radius: var(--r-full);
  padding: 3px 10px;
  letter-spacing: 0.02em;
}

/* ============================================================
   CONTAINER — POST
   Narrow column for blog post body and header.
   Keeps sp-5 padding at all breakpoints (unlike .container → sp-7).
   ============================================================ */

.container-post {
  max-width: var(--post-w);
  margin: 0 auto;
  padding: 0 var(--sp-5);
}