/* =============================================================
   LAYOUT — Container, section, responsive, grid utilities
   All values trace to token primitives via var(--...).
   ============================================================= */

/* =============================================================
   RESET & BASE
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; }
body, h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-base);
  letter-spacing: var(--tracking-normal);
  color: var(--color-foreground);
  background: var(--color-background);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* =============================================================
   CONTAINER
   ============================================================= */
.container {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 var(--desktop-outer-padding);
}

/* =============================================================
   SECTION
   ============================================================= */
.section {
  padding: var(--section-padding-md) 0;
}
.section--sm {
  padding: var(--section-padding-sm) 0;
}
.section--lg {
  padding: var(--section-padding-lg) 0;
}

/* =============================================================
   NAVBAR
   ============================================================= */
/* Placeholder min-height prevents layout shift during partial load */
#navbar-placeholder:empty {
  display: block;
  min-height: 64px;
}
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--color-primary-foreground);
  border-bottom: var(--border-thin) solid var(--color-border);
  height: 64px;
}
.navbar .container {
  display: flex;
  align-items: center;
  height: 100%;
}
.navbar__logo {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  flex: none;
}
.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  white-space: nowrap;
  flex: 1;
  justify-content: center;
}
.navbar__link {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-muted-foreground);
  display: flex;
  align-items: center;
  gap: var(--space-micro);
  transition: color var(--duration-fast) var(--ease-default);
}
.navbar__link:hover { color: var(--color-foreground); }
.navbar__link svg { width: 14px; height: 14px; }
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-base);
  flex: none;
  margin-left: auto;
}
.navbar__login {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-muted-foreground);
  transition: color var(--duration-fast) var(--ease-default);
}
.navbar__login:hover { color: var(--color-foreground); }
.navbar__hamburger {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--color-foreground);
}
.navbar__hamburger svg { width: 24px; height: 24px; }

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  top: 64px;
  background: var(--color-primary-foreground);
  z-index: var(--z-overlay);
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-lg);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav__links {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.mobile-nav__links a {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  padding: var(--space-sm) 0;
  border-bottom: var(--border-thin) solid var(--color-border);
}
.mobile-nav__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-bottom: var(--space-lg);
}
.mobile-nav__full-btn {
  width: 100%;
  text-align: center;
  justify-content: center;
}

/* =============================================================
   FOOTER
   ============================================================= */
.footer {
  background: var(--color-foreground);
  color: var(--color-primary-foreground);
  padding: var(--section-padding-md) 0 var(--space-xl);
}
.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-4xl);
  padding-bottom: var(--space-3xl);
  border-bottom: var(--border-thin) solid var(--color-muted);
}
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.footer__logo {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
}
.footer__desc {
  font-size: var(--text-sm);
  line-height: var(--leading-sm);
  color: var(--color-muted);
  max-width: 320px;
}
.footer__socials {
  display: flex;
  gap: var(--space-xs);
}
.footer__social {
  width: var(--space-xl);
  height: var(--space-xl);
  border-radius: var(--radius-xs);
  background: color-mix(in srgb, var(--color-primary-foreground) 15%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-foreground);
  transition: background var(--duration-fast) var(--ease-default);
}
.footer__social:hover { background: color-mix(in srgb, var(--color-primary-foreground) 28%, transparent); }
.footer__social svg { width: var(--icon-medium); height: var(--icon-medium); }
.footer__phone {
  font-size: var(--text-sm);
}
.footer__phone a { color: var(--color-accent); }
.footer__col-title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-lg);
  text-transform: uppercase;
}
.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.footer__col a {
  font-size: var(--text-sm);
  color: var(--color-muted);
  transition: color var(--duration-fast) var(--ease-default);
}
.footer__col a:hover { color: var(--color-primary-foreground); }
#footer-posts-list a {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  font-size: var(--text-xs);
  color: var(--color-muted);
}
.footer__legal {
  display: flex;
  gap: var(--space-lg);
}
.footer__legal a { color: var(--color-muted); }
.footer__legal a:hover { color: var(--color-primary-foreground); }

/* =============================================================
   RESPONSIVE: TABLET (<=1024px)
   ============================================================= */
@media (max-width: 1024px) {
  .container { padding: 0 var(--space-lg); }
  .footer__top { grid-template-columns: 1fr 1fr; gap: var(--space-2xl); }
}

/* =============================================================
   RESPONSIVE: MOBILE (<=768px)
   ============================================================= */
@media (max-width: 768px) {
  .container { padding: 0 var(--mobile-padding); }
  .section { padding: var(--section-gap-mobile) 0; }

  /* Navbar */
  .navbar__links, .navbar__login { display: none; }
  .navbar__hamburger { display: flex; }
  .navbar__actions .btn { display: none; }

  /* Footer */
  .footer__top { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .footer__bottom { flex-direction: column; gap: var(--space-sm); text-align: center; }
}