/* ============================================================
   MUAWI · app.css — shared components (header, footer, base)
   Load AFTER brand.css on every content page:
     <link rel="stylesheet" href="brand.css">
     <link rel="stylesheet" href="app.css">
   ============================================================ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
body { background: #fff; }
img { max-width: 100%; }

/* ---- HEADER — solid on content pages, hairline base ---- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 64px);
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
}
.site-header.is-solid {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom-color: rgba(20, 17, 15, 0.10);
}
.header-logo {
  display: inline-flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-2px);
  transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s;
}
.site-header.is-solid .header-logo { opacity: 1; visibility: visible; transform: none; }
.header-logo img { height: 19px; width: auto; display: block; }

.header-nav { display: flex; gap: clamp(22px, 2.6vw, 42px); }
.header-nav a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  padding: 6px 0;
  cursor: pointer;
  transition: color 0.2s ease;
}
.header-nav a:hover { color: var(--oxide); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px; height: 30px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
body.menu-open .nav-toggle span:nth-child(1) { transform: translateY(3.25px) rotate(45deg); }
body.menu-open .nav-toggle span:nth-child(2) { transform: translateY(-3.25px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 45;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s;
}
body.menu-open .mobile-menu { opacity: 1; visibility: visible; }
body.menu-open { overflow: hidden; }
.mobile-menu nav { display: flex; flex-direction: column; align-items: center; gap: 30px; }
.mobile-menu a {
  font-family: var(--font-mono);
  font-size: 19px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
}
.mobile-menu a:active { color: var(--oxide); }

@media (max-width: 720px) {
  .header-nav { display: none; }
  .nav-toggle { display: flex; }
}

/* ---- FOOTER — archival colophon ---- */
.site-footer {
  border-top: 1px solid rgba(20, 17, 15, 0.10);
  padding: clamp(56px, 7vw, 104px) clamp(28px, 7vw, 110px) clamp(26px, 3vw, 40px);
}
.footer-inner { max-width: 1180px; margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr 1.7fr;
  gap: clamp(32px, 4vw, 64px);
  align-items: start;
}
.f-label {
  display: block;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(20, 17, 15, 0.6);
}
.footer-logo { width: clamp(138px, 12vw, 168px); height: auto; display: block; }
.f-col a {
  display: block;
  width: fit-content;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1;
  color: rgba(20, 17, 15, 0.82);
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s ease;
}
.f-col a:hover { color: var(--oxide); }
.footer-news-line {
  margin-bottom: 20px;
  max-width: 32ch;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(20, 17, 15, 0.7);
}
.news-form {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 340px;
  border-bottom: 1px solid rgba(20, 17, 15, 0.28);
}
.news-form input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 10px 0;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ink);
}
.news-form input::placeholder { color: rgba(20, 17, 15, 0.4); }
.news-form input:focus { outline: none; }
.news-form button {
  flex: none;
  border: 0;
  background: transparent;
  padding: 4px 2px;
  font-size: 18px;
  line-height: 1;
  color: var(--ink);
  cursor: pointer;
  transition: transform 0.2s ease, color 0.2s ease;
}
.news-form button:hover { color: var(--oxide); transform: translateX(3px); }
.footer-meta {
  margin-top: clamp(48px, 6vw, 88px);
  padding-top: 22px;
  border-top: 1px solid rgba(20, 17, 15, 0.10);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(20, 17, 15, 0.6);
}
.footer-meta a { color: rgba(20, 17, 15, 0.6); text-decoration: none; cursor: pointer; }
.footer-meta a:hover { color: var(--oxide); }

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-news { grid-column: 1 / -1; }
  .footer-meta { flex-direction: column; align-items: flex-start; gap: 10px; }
}