/* ==========================================================================
   Layout: header, navigation, mobile menu, footer, mobile connect bar
   ========================================================================== */

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  padding-top: env(safe-area-inset-top);
  transition: background-color var(--dur), box-shadow var(--dur), backdrop-filter var(--dur);
}

.site-header.is-scrolled,
.site-header.is-menu-open {
  background: rgba(11, 12, 16, 0.78);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  box-shadow: 0 1px 0 var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1380px, 100% - var(--gutter) * 2);
  height: var(--header-h);
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  font-size: 20px;
  font-weight: 650;
  letter-spacing: -0.065em;
  line-height: 1;
}

.brand img {
  width: 19px;
  height: 23px;
  margin-right: 6px;
}

.brand__suffix {
  margin-left: 4px;
  color: #868791;
  font-weight: 400;
  letter-spacing: -0.04em;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: var(--r-pill);
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: color var(--dur-fast), background-color var(--dur-fast);
}

.site-nav a:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.05);
}

.site-nav a[aria-current="true"] {
  color: var(--ink);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-actions .btn [data-wallet-short] {
  font-family: var(--font-mono);
  text-transform: none;
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.menu-toggle .icon {
  font-size: 18px;
}

.menu-toggle [data-icon="close"] {
  display: none;
}

.menu-toggle[aria-expanded="true"] [data-icon="open"] {
  display: none;
}

.menu-toggle[aria-expanded="true"] [data-icon="close"] {
  display: block;
}

.mobile-menu {
  display: none;
}

@media (max-width: 1100px) {
  .site-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .mobile-menu {
    display: block;
    width: min(1380px, 100% - var(--gutter) * 2);
    margin-inline: auto;
    padding: 8px 0 20px;
  }

  .mobile-menu[hidden] {
    display: none !important;
  }

  .mobile-menu ul {
    display: grid;
    gap: 2px;
  }

  .mobile-menu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 48px;
    padding: 0 4px;
    border-bottom: 1px solid var(--line);
    color: var(--ink-soft);
    font-size: 17px;
    font-weight: 500;
    letter-spacing: -0.02em;
  }

  .mobile-menu a .icon {
    color: var(--dim);
  }
}

@media (max-width: 640px) {
  .brand {
    font-size: 19px;
  }

  .brand__suffix {
    display: none;
  }

  .nav-actions .btn {
    font-size: 12px;
    padding: 0 1em;
  }
}

@media (max-width: 360px) {
  .nav-actions .btn .btn__long {
    display: none;
  }
}

/* ---------- Mobile connect bar ---------- */

.mobile-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 45;
  display: none;
  padding: 12px var(--gutter) calc(12px + env(safe-area-inset-bottom));
  background: linear-gradient(180deg, rgba(11, 12, 16, 0), rgba(11, 12, 16, 0.92) 30%);
  transform: translateY(110%);
  transition: transform 0.4s var(--ease-out);
}

.mobile-cta.is-visible {
  transform: translateY(0);
}

.mobile-cta__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 8px 8px 14px;
  border-radius: 18px;
  background: rgba(27, 28, 33, 0.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 0 0 1px var(--line-strong), 0 20px 40px -20px rgba(0, 0, 0, 0.9);
}

.mobile-cta__text {
  flex: 1;
  min-width: 0;
  font-size: 12.5px;
  line-height: 1.3;
  color: var(--muted);
}

.mobile-cta__text strong {
  display: block;
  color: var(--ink);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

@media (max-width: 760px) {
  .mobile-cta {
    display: block;
  }
}

/* ---------- Footer ---------- */

.site-footer {
  position: relative;
  border-top: 1px solid var(--line);
  padding: 44px 0 calc(40px + env(safe-area-inset-bottom));
  color: #828896;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-footer .brand {
  color: #cccfd9;
  font-size: 18px;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  font-size: 13px;
}

.footer-nav a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 32px;
  color: #a2a7b4;
  transition: color var(--dur-fast);
}

.footer-nav a:hover {
  color: var(--ink);
}

.footer-legal {
  display: grid;
  gap: 10px;
  max-width: 880px;
  margin-top: 28px;
  font-size: 12px;
  line-height: 1.6;
  color: #7d8290;
}

.footer-legal strong {
  color: #a2a7b4;
  font-weight: 600;
}

.footer-mint {
  font-family: var(--font-mono);
  font-size: 11.5px;
  word-break: break-all;
  color: #9097a6;
}

@media (max-width: 760px) {
  .site-footer {
    padding-bottom: calc(120px + env(safe-area-inset-bottom));
  }
}