/* Palette. One accent colour, used sparingly. */
:root,
[data-md-color-scheme="default"] {
  --md-primary-fg-color: #1f6f5c;
  --md-primary-fg-color--light: #2c8b74;
  --md-primary-fg-color--dark: #14503f;
  --md-accent-fg-color: #0f766e;
  --saf-surface: #f6f8f7;
  --saf-border: rgba(0, 0, 0, 0.12);
  --saf-muted: rgba(0, 0, 0, 0.62);
}

[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #7fd6bd;
  --md-primary-fg-color--light: #9be2cd;
  --md-primary-fg-color--dark: #1f6f5c;
  --md-accent-fg-color: #7fd6bd;
  --saf-surface: rgba(255, 255, 255, 0.04);
  --saf-border: rgba(255, 255, 255, 0.14);
  --saf-muted: rgba(255, 255, 255, 0.68);
}

/* Keep the top bar neutral so the accent colour stays meaningful. */
.md-header,
.md-tabs {
  background-color: #15201d;
  color: #ffffff;
}

[data-md-color-scheme="slate"] .md-header,
[data-md-color-scheme="slate"] .md-tabs {
  background-color: #10171a;
}

.md-header__title {
  font-weight: 600;
}

/* Landing page hero. */
.saf-hero {
  padding: 2.4rem 0 1.2rem;
  border-bottom: 1px solid var(--saf-border);
  margin-bottom: 1.6rem;
}

.saf-hero h1 {
  font-size: 2.1rem;
  line-height: 1.15;
  font-weight: 700;
  margin: 0 0 0.6rem;
  letter-spacing: -0.02em;
}

.saf-hero p {
  font-size: 0.92rem;
  color: var(--saf-muted);
  max-width: 42rem;
  margin: 0 0 0.9rem;
}

.saf-eyebrow {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--md-primary-fg-color);
  border: 1px solid var(--saf-border);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  margin-bottom: 0.9rem;
}

.saf-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.saf-actions .md-button {
  margin: 0;
}

/* Feature cards. */
.saf-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 0.9rem;
  margin: 1.4rem 0 2rem;
}

.saf-card {
  border: 1px solid var(--saf-border);
  border-radius: 0.35rem;
  background: var(--saf-surface);
  padding: 0.9rem 1rem;
}

.saf-card h3 {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.saf-card p {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--saf-muted);
}

.saf-card a {
  font-weight: 600;
}

/* Section index lists. */
.md-typeset dl dt {
  font-weight: 600;
  margin-top: 0.9rem;
}

.md-typeset dl dd {
  margin: 0.2rem 0 0 0;
  color: var(--saf-muted);
  font-size: 0.74rem;
}

/* Tables read better a little tighter. */
.md-typeset table:not([class]) th {
  font-size: 0.7rem;
  letter-spacing: 0.02em;
}

.md-typeset table:not([class]) td {
  font-size: 0.72rem;
  vertical-align: top;
}

.md-typeset .mermaid {
  margin: 1.2rem 0;
}