/* =============================================================
   ZINE THEME — ISP canonical palette
   All other pages import this before any page-specific sheets.
   index.html (design lab) imports this first and overrides via
   its own inline :root block, so design-lab values take precedence.
   ============================================================= */

:root {
  --z-page-bg:  #fbf8ef;  /* Warm paper background */
  --z-card-bg:  #ffffff;  /* Clean card surfaces */
  --z-card-img: #e8d6b7;  /* Warm beige artwork blocks */
  --z-heading:  #4a2b12;  /* Dark literary brown headings */
  --z-body:     #2b261f;  /* Softer body text */
  --z-nav-link: #26305f;  /* Calm navy navigation */
  --z-tag-bg:   #d9ecfb;  /* Muted pale blue tags */
  --z-link:     #183a59;  /* Trustworthy editorial blue */
  --z-nav-bg:   #eaf2fb;  /* Airy blue header background */
  --z-accent:   #d9823b;  /* Burnt orange accent */
  --z-accent2:  #2f6fbd;  /* Richer restrained blue */
}

/* ---- element defaults ---- */

body {
  background: var(--z-page-bg);
  color: var(--z-body);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--z-heading);
}

a {
  color: var(--z-link);
}

nav,
header[role="banner"],
.site-header {
  background: var(--z-nav-bg);
}

nav a,
.nav-link {
  color: var(--z-nav-link);
}

.card,
article.card {
  background: var(--z-card-bg);
}

.card-img,
.card__img,
figure.card-img {
  background: var(--z-card-img);
}

.tag,
.chip,
.badge {
  background: var(--z-tag-bg);
  color: var(--z-link);
}

.accent,
.btn-accent {
  background: var(--z-accent);
  color: #fff;
}

.accent-2,
.btn-secondary {
  background: var(--z-accent2);
  color: #fff;
}

/* ---- Site header ---- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  background: var(--z-nav-bg);
}
.site-header .logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.site-header .logo img {
  height: 40px;
  width: auto;
  display: block;
  transition: opacity 0.2s ease;
}
.site-header .logo:hover img { opacity: 0.75; }
.site-header nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.site-header nav a.nav-link {
  color: var(--z-nav-link);
  text-decoration: none;
  font-weight: 500;
}
.site-header nav a.nav-link:hover { text-decoration: underline; }
.site-header nav a.nav-link.is-active {
  color: var(--z-accent);
  font-weight: 600;
}

@media (max-width: 600px) {
  .site-header { flex-direction: column; gap: 0.75rem; padding: 1rem; }
  .site-header nav { justify-content: center; }
}