.sn,
.sn-drawer,
.sn-top {
  --sn-bg: #131211;
  --sn-surface: #1b1a18;
  --sn-raised: #23211f;
  --sn-rule: #2d2a27;
  --sn-ink: #f2efe9;
  --sn-muted: #a39c91;
  --sn-faint: #8e877c;
  --sn-accent: #e08a3c;
  --sn-accent-ink: #1c1206;
  --sn-ease: cubic-bezier(0.23, 1, 0.32, 1);
  --sn-drawer: cubic-bezier(0.32, 0.72, 0, 1);
  font-family: 'Geist', system-ui, -apple-system, sans-serif;
}
.sn {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--sn-bg) 86%, transparent);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--sn-ease);
}
.sn.is-stuck { border-bottom-color: var(--sn-rule); }
.sn a, .sn-drawer a { text-decoration: none; }
.sn-slot { display: contents; }
.sn ul, .sn-drawer ul { list-style: none; margin: 0; padding: 0; }
.sn :focus-visible, .sn-drawer :focus-visible { outline: 2px solid var(--sn-accent); outline-offset: 3px; }

.sn-bar {
  width: min(1180px, 100% - 2.5rem);
  margin-inline: auto;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.sn-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--sn-ink);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 1.02rem;
  min-height: 44px;
}
.sn-brand img { display: block; width: auto; height: 26px; }

.sn-links { margin-left: auto; display: flex; align-items: center; gap: 0.25rem; }
.sn-link,
.sn-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 40px;
  padding: 0 0.7rem;
  border-radius: 10px;
  border: 0;
  background: transparent;
  color: var(--sn-muted);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: color 160ms ease, background-color 160ms ease;
}
.sn-link:hover,
.sn-trigger:hover,
.sn-trigger[aria-expanded="true"] { color: var(--sn-ink); background: var(--sn-raised); }
.sn-link[aria-current="page"],
.sn-trigger[data-current] { color: var(--sn-ink); }
.sn-chevron { width: 14px; height: 14px; transition: transform 200ms var(--sn-ease); }
.sn-trigger[aria-expanded="true"] .sn-chevron { transform: rotate(180deg); }

.sn-group { position: relative; }
.sn-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: -0.5rem;
  width: 320px;
  padding: 0.4rem;
  border-radius: 16px;
  border: 1px solid var(--sn-rule);
  background: var(--sn-surface);
  box-shadow: 0 18px 40px -12px rgb(8 6 4 / 0.7), 0 2px 6px rgb(8 6 4 / 0.35);
  transform-origin: 1.5rem top;
  opacity: 0;
  transform: translateY(-4px) scale(0.97);
  visibility: hidden;
  pointer-events: none;
  transition: opacity 160ms var(--sn-ease), transform 180ms var(--sn-ease), visibility 0s linear 180ms;
}
.sn-group.is-open .sn-menu {
  opacity: 1;
  transform: none;
  visibility: visible;
  pointer-events: auto;
  transition: opacity 160ms var(--sn-ease), transform 180ms var(--sn-ease), visibility 0s;
}
.sn-menu a,
.sn-panel-list a {
  display: grid;
  width: 100%;
  gap: 0.15rem;
  padding: 0.7rem 0.8rem;
  border-radius: 11px;
  color: var(--sn-ink);
  transition: background-color 140ms ease;
}
.sn-menu a:hover,
.sn-panel-list a:hover { background: var(--sn-raised); }
.sn-menu a[aria-current="page"],
.sn-panel-list a[aria-current="page"] { background: var(--sn-raised); box-shadow: inset 2px 0 0 var(--sn-accent); }
.sn-item-title { font-size: 0.92rem; font-weight: 500; letter-spacing: -0.005em; }
.sn-item-hint { font-size: 0.8rem; line-height: 1.4; color: var(--sn-faint); }
.sn-ext { width: 12px; height: 12px; margin-left: 0.3rem; vertical-align: -1px; color: var(--sn-faint); }

.sn-actions { display: flex; align-items: center; gap: 0.6rem; }
.sn-links + .sn-actions { margin-left: 0.5rem; }
.sn-lang {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 36px;
  padding: 0 0.6rem;
  border: 1px solid var(--sn-rule);
  border-radius: 999px;
  color: var(--sn-muted);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  transition: color 160ms ease, border-color 160ms ease;
}
.sn-lang:hover { color: var(--sn-ink); border-color: var(--sn-faint); }
.sn-cta {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 1.15rem;
  border-radius: 999px;
  background: var(--sn-accent);
  color: var(--sn-accent-ink);
  font-weight: 600;
  font-size: 0.875rem;
  white-space: nowrap;
  transition: background-color 160ms ease, transform 160ms var(--sn-ease);
}
.sn-cta:hover { background: #eb9a50; }
.sn-cta:active { transform: scale(0.97); }

.sn-burger {
  display: none;
  width: 44px;
  height: 44px;
  margin-right: -0.5rem;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--sn-ink);
  cursor: pointer;
  place-items: center;
}
.sn-burger:hover { background: var(--sn-raised); }
.sn-burger svg { width: 22px; height: 22px; }

.sn-drawer { position: fixed; inset: 0; z-index: 60; }
.sn-drawer[hidden] { display: none; }
.sn-scrim {
  position: absolute;
  inset: 0;
  background: rgb(8 6 4 / 0.6);
  opacity: 0;
  transition: opacity 240ms ease;
}
.sn-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(360px, 88vw);
  display: flex;
  flex-direction: column;
  background: var(--sn-bg);
  border-left: 1px solid var(--sn-rule);
  transform: translateX(100%);
  transition: transform 320ms var(--sn-drawer);
  overscroll-behavior: contain;
}
.sn-drawer.is-open .sn-scrim { opacity: 1; }
.sn-drawer.is-open .sn-panel { transform: none; }
.sn-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  padding: 0 1rem 0 1.25rem;
  border-bottom: 1px solid var(--sn-rule);
  flex-shrink: 0;
}
.sn-close {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--sn-ink);
  cursor: pointer;
}
.sn-close:hover { background: var(--sn-raised); }
.sn-close svg { width: 20px; height: 20px; }
.sn-panel-body { flex: 1; overflow-y: auto; padding: 0.75rem 0.75rem 1.5rem; }
.sn-panel-label {
  margin: 1.1rem 0.8rem 0.35rem;
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sn-faint);
}
.sn-panel-list { display: grid; gap: 0.1rem; }
.sn-panel-foot {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 1.25rem calc(1rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--sn-rule);
  flex-shrink: 0;
}
.sn-panel-foot .sn-slot:last-child .sn-cta,
.sn-panel-foot .sn-cta { flex: 1; justify-content: center; min-height: 48px; font-size: 0.95rem; }

.sn-top {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: calc(1rem + env(safe-area-inset-bottom));
  z-index: 30;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  border: 1px solid #3a3632;
  background: color-mix(in srgb, #1b1a18 92%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: #f2efe9;
  box-shadow: 0 10px 24px -10px rgb(8 6 4 / 0.8);
  opacity: 0;
  transform: translateY(10px) scale(0.96);
  pointer-events: none;
  transition: opacity 200ms cubic-bezier(0.23, 1, 0.32, 1), transform 220ms cubic-bezier(0.23, 1, 0.32, 1), border-color 160ms ease;
}
.sn-top[hidden] { display: none; }
.sn-top.is-shown { opacity: 1; transform: none; pointer-events: auto; }
.sn-top:hover { border-color: #e08a3c; }
.sn-top:active { transform: scale(0.95); }
.sn-top:focus-visible { outline: 2px solid #e08a3c; outline-offset: 3px; }
.sn-top svg { width: 20px; height: 20px; }

@media (max-width: 899px) {
  .sn-links { display: none; }
  .sn-actions, .sn-links + .sn-actions { margin-left: auto; }
  .sn-actions .sn-cta { display: none; }
  .sn-burger { display: grid; }
  .sn-lang { min-height: 44px; }
}
@media (min-width: 900px) {
  .sn-drawer { display: none !important; }
}
@media (prefers-reduced-motion: reduce) {
  .sn, .sn-menu, .sn-group.is-open .sn-menu, .sn-scrim, .sn-panel, .sn-top, .sn-chevron { transition: none; }
}