/* HeroKit brand: deep teal from the logo, with a warm accent. */
:root,
[data-bs-theme='light'] {
  --hk-brand: #046380;
  --hk-brand-strong: #034b61;
  --hk-brand-soft: #e6f3f6;
  --hk-accent: #f2a541;
  --bs-link-color: #046380;
  --bs-link-color-rgb: 4, 99, 128;
  --bs-link-hover-color: #034b61;
  --bs-link-hover-color-rgb: 3, 75, 97;
  --bs-primary: #046380;
  --bs-primary-rgb: 4, 99, 128;
}

[data-bs-theme='dark'] {
  --hk-brand: #3fb4d4;
  --hk-brand-strong: #7fd0e6;
  --hk-brand-soft: #0d2a33;
  --bs-link-color: #3fb4d4;
  --bs-link-color-rgb: 63, 180, 212;
  --bs-link-hover-color: #7fd0e6;
  --bs-link-hover-color-rgb: 127, 208, 230;
  --bs-primary: #3fb4d4;
  --bs-primary-rgb: 63, 180, 212;
}

/* Top bar in brand color on every page. */
header > nav.navbar {
  background: linear-gradient(90deg, #034b61 0%, #046380 60%, #0a7fa3 100%) !important;
  border-bottom: 0;
}
header > nav.navbar,
header > nav.navbar .nav-link,
header > nav.navbar .navbar-brand,
header > nav.navbar .btn {
  color: #fff !important;
}
header > nav.navbar .nav-link.active,
header > nav.navbar .nav-link:hover {
  color: var(--hk-accent) !important;
}
header > nav.navbar .navbar-brand img {
  border-radius: 8px;
  height: 32px;
  width: 32px;
}
header > nav.navbar .form-control {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
}
header > nav.navbar .form-control::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

/* Content headings and code. */
article h1 {
  color: var(--hk-brand);
  font-weight: 700;
}
article h2 {
  border-bottom: 2px solid var(--hk-brand-soft);
  padding-bottom: 0.3rem;
  margin-top: 2rem;
}
article pre {
  border-left: 4px solid var(--hk-brand);
  border-radius: 6px;
  max-width: 100%;
  overflow-x: auto;
}

/* Long code lines scroll inside their block instead of widening the page on phones. */
main,
article,
.content {
  min-width: 0;
}
.hk-hero,
.hk-grid,
.hk-stats {
  max-width: 100%;
}
.toc .nav > li.active > a,
.toc a.active {
  color: var(--hk-brand) !important;
  font-weight: 600;
}

/* Landing page. */
.hk-hero {
  background: radial-gradient(circle at 15% 20%, #0a8bb0 0%, #046380 45%, #023646 100%);
  border-radius: 16px;
  color: #fff;
  margin: 1rem 0 2.5rem;
  padding: 3.5rem 2.5rem;
  position: relative;
  overflow: hidden;
}
.hk-hero::after {
  content: '{ }';
  font-family: SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14rem;
  line-height: 1;
  opacity: 0.07;
  position: absolute;
  right: -1rem;
  top: -1.5rem;
}
.hk-hero h1 {
  color: #fff !important;
  font-size: 3rem;
  font-weight: 800;
  margin: 0 0 0.5rem;
}
.hk-hero .hk-tagline {
  font-size: 1.3rem;
  max-width: 40rem;
  opacity: 0.95;
}
.hk-hero .hk-tagline strong {
  color: var(--hk-accent);
}
.hk-install {
  align-items: center;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  display: inline-flex;
  font-family: SFMono-Regular, Menlo, Consolas, monospace;
  gap: 1rem;
  margin: 1.5rem 0 1rem;
  padding: 0.6rem 0.6rem 0.6rem 1rem;
}
.hk-install code {
  background: none;
  color: #fff;
  font-size: 1rem;
  padding: 0;
}
.hk-install button {
  background: var(--hk-accent);
  border: 0;
  border-radius: 6px;
  color: #1d1d1d;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.3rem 0.8rem;
}
.hk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}
.hk-actions a {
  border-radius: 8px;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  text-decoration: none;
}
.hk-actions .hk-primary {
  background: var(--hk-accent);
  color: #1d1d1d;
}
.hk-actions .hk-secondary {
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: #fff;
}
.hk-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.5rem;
}
.hk-badges img {
  height: 20px;
}
.hk-section-title {
  border: 0 !important;
  font-size: 1.6rem;
  font-weight: 700;
  margin: 2.5rem 0 1rem;
  text-align: center;
}
.hk-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}
.hk-card {
  background: var(--bs-body-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: 12px;
  border-top: 4px solid var(--hk-brand);
  color: inherit;
  display: block;
  padding: 1.25rem;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.hk-card:hover {
  box-shadow: 0 8px 24px rgba(4, 99, 128, 0.18);
  color: inherit;
  transform: translateY(-3px);
}
.hk-card .hk-icon {
  font-size: 1.6rem;
}
.hk-card h3 {
  color: var(--hk-brand);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0.4rem 0;
}
.hk-card p {
  font-size: 0.95rem;
  margin: 0;
  opacity: 0.85;
}
.hk-card.hk-featured {
  background: var(--hk-brand-soft);
  border-top-color: var(--hk-accent);
}
.hk-stats {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr));
  margin: 2rem 0;
  text-align: center;
}
.hk-stats div {
  border: 1px solid var(--bs-border-color);
  border-radius: 12px;
  padding: 1rem;
}
.hk-stats strong {
  color: var(--hk-brand);
  display: block;
  font-size: 1.6rem;
}
.hk-stats span {
  font-size: 0.9rem;
  opacity: 0.8;
}

@media (max-width: 576px) {
  .hk-hero {
    padding: 2.25rem 1.25rem;
  }
  .hk-hero h1 {
    font-size: 2.2rem;
  }
  .hk-hero .hk-tagline {
    font-size: 1.1rem;
  }
  .hk-install {
    max-width: 100%;
  }
  .hk-install code {
    font-size: 0.8rem;
    white-space: nowrap;
  }
  .hk-actions {
    display: grid;
    gap: 0.5rem;
    grid-template-columns: repeat(3, 1fr);
  }
  .hk-actions a {
    align-items: center;
    display: flex;
    font-size: 0.85rem;
    justify-content: center;
    line-height: 1.2;
    padding: 0.55rem 0.4rem;
    text-align: center;
  }
}