:root {
  --md-primary-fg-color: #172438;
  --md-primary-fg-color--light: #263b58;
  --md-primary-fg-color--dark: #0e1725;
  --md-accent-fg-color: #137c8b;
  --md-typeset-a-color: #086f7c;
  --qf-cyan: #28b7c8;
  --qf-amber: #f1b95b;
  --qf-panel: #f4f7fa;
  --qf-line: #dbe4ec;
}

[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #111a29;
  --md-accent-fg-color: #54cad7;
  --md-typeset-a-color: #63d2df;
  --qf-panel: #202b3a;
  --qf-line: #344256;
}

.md-header,
.md-tabs {
  background: linear-gradient(115deg, #111b2a, #203650);
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3 {
  font-weight: 650;
  letter-spacing: -0.025em;
}

.md-typeset a:hover,
.md-typeset a:focus-visible {
  color: var(--md-accent-fg-color);
  text-decoration: underline;
  text-underline-offset: 0.14em;
}

.qf-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(18rem, 0.95fr);
  align-items: center;
  gap: 2.4rem;
  margin: 1.5rem 0 3rem;
}

.qf-hero h1 {
  margin: 0 0 1rem;
  color: var(--md-default-fg-color);
  font-size: clamp(2.1rem, 5vw, 3.5rem);
  line-height: 1.02;
}

.qf-hero-copy > p:not(:last-child) {
  font-size: 1.05rem;
  line-height: 1.65;
}

.qf-hero .md-button:not(.md-button--primary) {
  color: var(--md-default-fg-color);
}

.qf-hero-visual img {
  width: 100%;
  filter: drop-shadow(0 1.2rem 1.4rem rgb(15 29 45 / 16%));
}

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

.qf-feature {
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--qf-line);
  border-top: 0.22rem solid var(--qf-cyan);
  border-radius: 0.35rem;
  background: var(--qf-panel);
}

.qf-feature:nth-child(2) {
  border-top-color: var(--qf-amber);
}

.qf-feature h3 {
  margin-top: 0;
}

.qf-feature p:last-child {
  margin-bottom: 0;
}

.qf-editor-shot {
  border: 1px solid var(--qf-line);
  border-radius: 0.35rem;
  box-shadow: 0 0.7rem 1.8rem rgb(15 29 45 / 12%);
}

@media screen and (max-width: 52rem) {
  .qf-hero,
  .qf-feature-grid {
    grid-template-columns: 1fr;
  }

  .qf-hero {
    gap: 1rem;
  }
}