.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}

@media (min-width: 640px) {
  .container {
    padding-inline: 24px;
  }
}

.section {
  padding-block: 64px;
}

@media (min-width: 1024px) {
  .section {
    padding-block: 88px;
  }
}

.section--soft {
  background-color: var(--secondary);
}

.section-head {
  display: flex;
  max-width: 620px;
  flex-direction: column;
  gap: 12px;
}

.section-head--center {
  margin-inline: auto;
  align-items: center;
  text-align: center;
}

.section-title {
  font-size: 28px;
  line-height: 1.22;
  letter-spacing: -0.02em;
}

@media (min-width: 640px) {
  .section-title {
    font-size: 32px;
  }
}

.section-lede {
  font-size: 16px;
  line-height: 1.65;
  color: var(--muted-foreground);
}

.section-head + .section-body {
  margin-top: 40px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background-color: rgba(255, 255, 255, 0.88);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  backdrop-filter: blur(12px) saturate(1.4);
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 20px;
  height: var(--header-h);
}

.brand {
  display: flex;
  flex-shrink: 0;
  align-items: center;
}

.brand__logo {
  width: auto;
  height: 26px;
}

.nav {
  display: none;
}

.nav a {
  display: inline-flex;
  align-items: center;
  height: 36px;
  border-radius: var(--radius);
  padding-inline: 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted-foreground);
  transition: color var(--duration) ease, background-color var(--duration) ease;
}

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

.nav a.is-active {
  color: var(--primary);
  background-color: var(--primary-soft);
}

@media (min-width: 1024px) {
  .nav {
    display: flex;
    align-items: center;
    gap: 2px;
  }
}

.header-actions {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.header-signin {
  display: none;
  align-items: center;
  height: 36px;
  padding-inline: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--foreground);
  transition: color var(--duration) ease;
}

.header-signin:hover {
  color: var(--primary);
}

@media (min-width: 640px) {
  .header-signin {
    display: inline-flex;
  }
}

.nav-toggle {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background-color: var(--card);
  color: var(--ink);
  transition: background-color var(--duration) ease, border-color var(--duration) ease;
}

.nav-toggle:hover {
  background-color: var(--secondary);
}

.nav-toggle svg {
  width: 18px;
  height: 18px;
}

.nav-toggle .icon-x {
  display: none;
}

.site-header.is-open .nav-toggle .icon-x {
  display: block;
}

.site-header.is-open .nav-toggle .icon-menu {
  display: none;
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }
}

@media (max-width: 1023px) {
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 2px;
    padding: 10px 12px 14px;
    border: 1px solid var(--border);
    border-top: 0;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    background-color: var(--card);
  }

  .site-header.is-open .nav {
    display: flex;
  }

  .nav a {
    height: 42px;
    padding-inline: 12px;
    font-size: 15px;
    color: var(--foreground);
  }
}

.nav a.nav__drawer-only {
  display: none;
}

@media (max-width: 1023px) {
  .nav a.nav__drawer-only {
    display: inline-flex;
  }
}

.site-footer {
  border-top: 1px solid var(--border);
  background-color: var(--card);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-block: 26px;
  font-size: 12px;
  color: var(--muted-foreground);
}

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 40;
  display: none;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background-color: var(--card);
  color: var(--muted-foreground);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity var(--duration) ease, transform var(--duration) ease,
    border-color var(--duration) ease, color var(--duration) ease;
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

@media (min-width: 768px) {
  .back-to-top {
    display: grid;
  }
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

.back-to-top:hover {
  border-color: rgba(169, 101, 16, 0.5);
  color: var(--primary);
}

.js .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease-out, transform 0.5s var(--ease-out-strong);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js .reveal {
    opacity: 1;
    transform: none;
  }
}