.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  height: var(--header-height);
  padding-inline: max(32px, calc((100vw - 1400px) / 2));
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  backdrop-filter: blur(20px) saturate(140%);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.04);
}

.brand {
  justify-self: start;
}

.brand-logo,
.footer-logo {
  width: 210px;
  filter: invert(88%) sepia(11%) saturate(356%) hue-rotate(355deg) brightness(94%);
  transition: filter 250ms var(--ease), opacity 250ms var(--ease);
}

html[data-theme="light"] .brand-logo,
html[data-theme="light"] .footer-logo {
  filter: none;
}

.brand:hover .brand-logo {
  opacity: 0.72;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--surface) 82%, transparent);
}

.site-nav a,
.theme-button,
.menu-button {
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  cursor: pointer;
  font-size: 0.83rem;
  font-weight: 650;
}

.site-nav a {
  padding: 8px 15px;
  color: var(--muted);
  transition: background 180ms var(--ease), color 180ms var(--ease), transform 180ms var(--ease);
}

.coming-link {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1.05;
}

.coming-link span {
  margin-top: 4px;
  color: var(--amber);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.48rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-nav a:hover,
.site-nav a.active {
  background: var(--surface-3);
  color: var(--text);
}

.site-nav a:active,
.theme-button:active,
.menu-button:active,
.button:active {
  transform: translateY(1px) scale(0.98);
}

.theme-button {
  justify-self: end;
  min-width: 68px;
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  color: var(--muted);
}

.theme-button:hover {
  border-color: var(--amber);
  color: var(--text);
}

.menu-button {
  display: none;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  width: fit-content;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 750;
  line-height: 1;
  white-space: nowrap;
  transition: transform 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.button.primary {
  background: var(--amber);
  color: var(--button-text);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.42), 0 12px 30px rgba(123, 72, 12, 0.22);
}

.button.primary:hover {
  background: #ffc25e;
  transform: translateY(-2px);
}

.button.secondary {
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--text);
}

.button.secondary:hover {
  border-color: var(--amber);
  transform: translateY(-2px);
}

.text-link {
  padding-block: 10px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.text-link:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.image-frame {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-card);
  background: var(--surface);
  box-shadow: 0 30px 80px var(--shadow), inset 0 1px rgba(255, 255, 255, 0.1);
}

[data-tilt] {
  transform: perspective(1400px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
  transform-style: preserve-3d;
  transition: transform 500ms var(--ease);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 720ms var(--ease), transform 720ms var(--ease);
}

.reveal.delay-1 {
  transition-delay: 90ms;
}

.reveal.delay-2 {
  transition-delay: 180ms;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal[data-tilt] {
  transform: translateY(28px) perspective(1400px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
}

.reveal.is-visible[data-tilt] {
  transform: translateY(0) perspective(1400px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  padding-block: 64px 36px;
  border-top: 1px solid var(--line);
}

.site-footer p {
  justify-self: end;
  color: var(--muted);
}

.site-footer nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-footer nav a,
.site-footer nav button {
  padding: 0;
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.85rem;
}

.site-footer nav a:hover,
.site-footer nav button:hover {
  border-color: var(--amber);
  color: var(--text);
}

.site-footer small {
  justify-self: end;
  color: var(--faint);
  font-size: 0.74rem;
}

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

  [data-tilt] {
    transform: none !important;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .site-header {
    background: var(--bg);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}