:root {
  --md-primary-fg-color: #102456;
  --md-primary-fg-color--light: #1f5ec9;
  --md-primary-fg-color--dark: #07112e;
  --md-accent-fg-color: #d88b1e;
  --spurline-paper: #fff8ec;
  --spurline-ink: #07112e;
  --spurline-blue: #1554bd;
  --spurline-amber: #d88b1e;
}

[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #163a78;
  --md-accent-fg-color: #f0a92d;
  --spurline-paper: #111827;
  --spurline-ink: #eef4ff;
}

.md-header__option .md-header__button:not([hidden]) {
  display: inline-flex;
  width: auto;
  align-items: center;
  gap: 0.35rem;
  padding-inline: 0.45rem;
}

.md-header__option .md-header__button:not([hidden])::after {
  content: attr(title);
  font-size: 0.62rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}

.spurline-hero {
  position: relative;
  overflow: hidden;
  margin: 1rem 0 2.5rem;
  padding: clamp(2rem, 5vw, 3.75rem);
  text-align: center;
  border: 1px solid color-mix(in srgb, var(--md-primary-fg-color) 24%, transparent);
  border-radius: 1.25rem;
  background:
    radial-gradient(circle at 14% 18%, color-mix(in srgb, var(--spurline-blue) 12%, transparent), transparent 34%),
    linear-gradient(135deg, var(--spurline-paper), color-mix(in srgb, var(--spurline-blue) 9%, var(--spurline-paper)));
}

.spurline-hero h1 {
  margin: 0 0 1.4rem;
  color: var(--spurline-ink);
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  line-height: 1;
}

.spurline-hero-mark {
  display: block;
  width: clamp(8rem, 21vw, 11rem);
  margin: 0 auto 1.5rem;
  border-radius: 1rem;
  box-shadow: 0 0.65rem 2rem rgba(7, 17, 46, 0.16);
}

.spurline-tagline {
  max-width: 44rem;
  margin: 0 auto 0.75rem;
  color: var(--spurline-ink);
  font-size: clamp(1.15rem, 2.5vw, 1.5rem);
  font-weight: 650;
  line-height: 1.35;
}

.spurline-intro {
  max-width: 42rem;
  margin: 0 auto 1.5rem;
  font-size: 1rem;
  line-height: 1.65;
}

.spurline-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2.5rem;
}

.spurline-card {
  padding: 1.25rem 1.35rem;
  border: 1px solid color-mix(in srgb, var(--md-default-fg-color) 14%, transparent);
  border-radius: 0.9rem;
  background: color-mix(in srgb, var(--md-default-bg-color) 94%, var(--md-primary-fg-color));
  box-shadow: 0 0.35rem 1.1rem rgba(7, 17, 46, 0.06);
}

.spurline-card h3 {
  margin-top: 0;
  color: var(--md-primary-fg-color);
}

.md-typeset blockquote {
  border-left-color: var(--spurline-amber);
}

@media screen and (max-width: 52rem) {
  .md-header__option .md-header__button:not([hidden]) {
    width: 2.4rem;
    padding-inline: 0.6rem;
  }

  .md-header__option .md-header__button:not([hidden])::after {
    content: none;
  }

  .spurline-grid {
    grid-template-columns: 1fr;
  }

  .spurline-hero {
    padding: 2rem 1.4rem;
  }

  .spurline-hero-mark {
    width: 7.5rem;
  }
}