:root {
  --oa-header-h: 4.5rem;
}

html {
  scroll-padding-top: 5rem;
}

.oa-header {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--oa-header-h);
  background: color-mix(in oklab, var(--background) 86%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.oa-header__inner {
  height: 100%;
}

.oa-menu-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
}

.oa-menu-toggle span {
  display: block;
  width: 14px;
  height: 1.5px;
  background: var(--foreground);
}

.oa-mobile-nav {
  display: none;
}

.oa-hero {
  display: grid;
}

@media (min-width: 768px) {
  .oa-hero {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 46%);
    align-items: stretch;
  }
}

.oa-hero-photo {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 0;
}

.oa-hero-photo__frame {
  width: 100%;
  padding: 1.25rem 1.25rem 0;
}

@media (min-width: 768px) {
  .oa-hero-photo__frame {
    padding: 2.25rem 1.75rem 0;
  }
}

.oa-hero-photo img {
  width: 100%;
  max-width: 560px;
  height: auto;
  margin: 0 auto;
  display: block;
  object-fit: contain;
  object-position: center center;
}

.oa-lead-row {
  transition: background-color 0.2s ease;
}

.oa-lead-row:hover {
  background: color-mix(in oklab, var(--muted) 55%, transparent);
}

.oa-footer-icon {
  color: var(--muted-foreground);
  border-color: var(--border) !important;
}

.oa-footer-icon:hover {
  color: var(--foreground);
  background: var(--card);
  border-color: var(--brand) !important;
}

.oa-focus a:focus-visible,
.oa-focus button:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

@media (max-width: 767px) {
  .oa-menu-toggle {
    display: inline-flex;
  }

  .oa-mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--border);
    background: var(--background);
  }

  .oa-mobile-nav[hidden] {
    display: none;
  }

  .oa-mobile-nav a {
    padding: 0.95rem 1.25rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted-foreground);
    border-top: 1px solid var(--border);
  }

  .oa-mobile-nav a:hover {
    color: var(--foreground);
  }
}