html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;

  @media (max-width: 768px) {
    /* Sticky toolbar only (the fixed mobile header is gone). */
    scroll-padding-top: 60px;
  }
}

:root { --body-px: clamp(1rem, 3vw, 50px); }

body {
  padding: 0 var(--body-px);
  background: var(--bg);
  color: var(--text);

  @media (max-width: 768px) {
    --body-px: 1rem;
  }

  @media (max-width: 480px) {
    --body-px: 0.75rem;
  }
}

h1, h2, h3, h4, h5, h6, strong {
  color: var(--text);
}

main {
  padding: 0 !important;
}

.docs-page main {
  @media (min-width: 769px) {
    margin-left: var(--nav-width);
  }
}

.home-layout main {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 60px;
  padding-top: 1.5rem;
}

#about {
  padding-top: 0.5rem;
}

/* Consistent vertical rhythm between homepage sections */
.home-layout main > section {
  margin-bottom: 4rem;
}

.home-layout main > .documents-bar {
  margin-bottom: 0;
}

#contact-cta p {
  max-width: 42rem;
}

.demo-offline {
  max-width: 42rem;
  margin: 4rem auto;
  text-align: center;

  [role="button"].outline {
    border-color: var(--text);
    color: var(--text);
  }
}

.contact-cta-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;

  [role="button"].outline {
    background-color: transparent;
    border-color: var(--text);
    color: var(--text);

    &:hover {
      background-color: var(--primary-hover);
      color: var(--primary-inverse);
    }
  }
}

section {
  float: none;
  max-width: 100%;
  width: 100%;
}

.tagline-container {
  position: relative;
  display: inline-block;
  cursor: default;
}

.tagline {
  transition: opacity 1s ease;
}

.tagline-primary {
  opacity: 1;
}

.tagline-hover {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
}

.tagline-container:hover .tagline-primary {
  opacity: 0;
}

.tagline-container:hover .tagline-hover {
  opacity: 1;
}

[hidden] {
  display: none !important;
}

/* Algorithms index page (layout: default) */
.algorithms-index {
  padding: 2rem 1rem;
}

.algorithms-index h1 {
  margin-bottom: 2rem;
}

/* Placeholder page */
.placeholder-page {
  padding: 2rem 1rem;
  text-align: center;
}

.placeholder-page h1 {
  margin-bottom: 1rem;
}

.placeholder-page p {
  color: var(--text-muted);
}