/* Shared site header — mobile menu (landing + changelog). */

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.brand-name {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--text, #f5f5f5);
  text-decoration: none;
}

.brand-name:hover {
  color: var(--text, #f5f5f5);
}

.brand-credit {
  font-size: 11px;
  font-weight: 500;
  line-height: 1.2;
  color: var(--text-faint, #737373);
}

.brand-credit a {
  color: var(--text-dim, #a3a3a3);
  text-decoration: none;
  font-weight: 600;
}

.brand-credit a:hover {
  color: var(--accent, #818cf8);
}

.brand-logo {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: block;
  flex-shrink: 0;
  object-fit: contain;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  margin: 0;
  border: 1px solid var(--border, #262626);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--text, #f5f5f5);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 8;
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.nav-backdrop.is-open {
  display: block;
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  header.site .site-inner {
    flex-wrap: nowrap;
    gap: 12px;
  }

  header.site .brand {
    flex: 1;
    min-width: 0;
  }

  nav.site-nav {
    position: fixed;
    top: 57px;
    left: 0;
    right: 0;
    z-index: 9;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 20px;
    margin: 0;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border, #262626);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
    max-height: calc(100vh - 57px);
    max-height: calc(100dvh - 57px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }

  nav.site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
  }

  nav.site-nav a:not(.btn) {
    display: block;
    padding: 14px 4px;
    font-size: 15px;
    border-bottom: 1px solid var(--border, #262626);
  }

  nav.site-nav a:not(.btn):last-of-type {
    border-bottom: none;
  }

  nav.site-nav .btn {
    width: 100%;
    justify-content: center;
    margin-top: 10px;
    box-sizing: border-box;
  }

  nav.site-nav .btn + .btn {
    margin-top: 8px;
  }

  body.site-nav-open {
    overflow: hidden;
  }
}

/* General landing layout tweaks */
@media (max-width: 600px) {
  .wrap {
    padding-left: 16px;
    padding-right: 16px;
  }

  header.site .site-inner {
    padding: 12px 16px;
  }

  .hero {
    padding: 48px 0 36px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 16px;
  }
}