/* =====================================================================
   PadForge docs design system, sharing the landing page's identity:
   deep steel surfaces, ember accents, telemetry-cyan mono labels.
   Display: Archivo. Body: Instrument Sans. Code: JetBrains Mono.
   Fonts load in overrides/main.html; theme font loading is off.
   ===================================================================== */

:root {
  --md-text-font: "Instrument Sans";
  --md-code-font: "JetBrains Mono";

  /* Ember, shared with the app and the landing page. */
  --md-primary-fg-color: #d9531c;
  --md-primary-fg-color--light: #f2652a;
  --md-primary-fg-color--dark: #b34314;
  --md-accent-fg-color: #f2652a;

  /* PadForge surface tokens, light scheme. */
  --pf-panel: #f6f7f9;
  --pf-border: #e3e6ea;
  --pf-kicker: #3a7f92;   /* telemetry cyan, darkened for white ground */
  --pf-steel: #0a0d12;    /* header steel, both schemes */
  --pf-h1: #14171c;       /* full-strength display ink */
}

[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #f2652a;
  --md-primary-fg-color--light: #ff7d3d;
  --md-primary-fg-color--dark: #d9531c;
  --md-accent-fg-color: #ff8c50;

  /* Deep steel canvas, the landing page's ground. */
  --md-default-bg-color: #0d1117;
  --md-code-bg-color: #12171f;

  --pf-panel: #12171f;
  --pf-border: #212a36;
  --pf-kicker: #6fc3d6;
  --pf-h1: #f5f7fb;
}

/* ---- Header and tabs: steel in both schemes, like the landing nav ---- */

.md-header,
.md-tabs {
  background-color: var(--pf-steel);
  color: #f5f7fb;
}

.md-header {
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.md-header__title,
.md-header__topic {
  font-family: "Archivo", var(--md-text-font), sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.md-tabs__link {
  font-family: "Archivo", var(--md-text-font), sans-serif;
  font-weight: 600;
  font-size: 0.68rem;
  opacity: 0.72;
}

.md-tabs__link--active,
.md-tabs__link:hover {
  color: var(--md-primary-fg-color--light);
  opacity: 1;
}

/* ---- Typography ---- */

.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4 {
  font-family: "Archivo", var(--md-text-font), sans-serif;
  letter-spacing: -0.015em;
}

.md-typeset h1 {
  font-weight: 800;
  color: var(--pf-h1);
}

.md-typeset h2 { font-weight: 700; }
.md-typeset h3 { font-weight: 700; }

/* ---- Buttons: the landing page's pills ---- */

.md-typeset .md-button {
  border-radius: 999px;
  border-width: 1px;
  font-weight: 600;
  padding: 0.5em 1.6em;
  transition: transform 0.15s, filter 0.15s, border-color 0.15s;
}

.md-typeset .md-button:hover { transform: translateY(-2px); }

.md-typeset .md-button--primary {
  background: linear-gradient(135deg, #ff8c50 0%, #f2652a 45%, #d9531c 100%);
  border-color: transparent;
  color: #fff;
}

.md-typeset .md-button--primary:hover {
  filter: brightness(1.08);
  background: linear-gradient(135deg, #ff8c50 0%, #f2652a 45%, #d9531c 100%);
  border-color: transparent;
  color: #fff;
}

/* ---- Content components ---- */

.md-typeset .admonition,
.md-typeset details {
  border-radius: 10px;
  box-shadow: none;
  border-width: 1px;
}

.md-typeset pre > code { border-radius: 8px; }

.md-typeset table:not([class]) {
  border-radius: 10px;
  box-shadow: none;
  border: 1px solid var(--pf-border);
}

.md-typeset table:not([class]) th {
  background-color: var(--pf-panel);
  font-family: "Archivo", var(--md-text-font), sans-serif;
  font-weight: 700;
}

/* ---- Home hero ---- */

.pf-hero {
  padding: clamp(1.5rem, 5vw, 3.5rem) 0 clamp(1rem, 3vw, 2rem);
  text-align: center;
}

.pf-kicker {
  font-family: var(--md-code-font), monospace;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--pf-kicker);
  margin-bottom: 0.4rem;
}

.pf-hero h1 {
  font-size: clamp(2rem, 5.5vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.04;
  margin: 0.2em auto 0.4em;
  max-width: 18ch;
}

.pf-hero .pf-lede {
  max-width: 34rem;
  margin: 0 auto 1.4rem;
  font-size: 0.85rem;
  color: var(--md-default-fg-color--light);
}

.pf-hero .md-button { margin: 0.2rem 0.3rem; }

/* ---- Home cards: the six paths ---- */

.pf-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 0.8rem;
  margin: 1.6rem 0;
}

.pf-cards > a {
  display: block;
  padding: 1.1rem 1.2rem 1.2rem;
  background: var(--pf-panel);
  border: 1px solid var(--pf-border);
  border-radius: 14px;
  color: var(--md-default-fg-color);
  transition: border-color 0.15s, transform 0.15s;
}

.pf-cards > a:hover {
  border-color: var(--md-accent-fg-color);
  transform: translateY(-2px);
  color: var(--md-default-fg-color);
}

.pf-eyebrow {
  display: block;
  font-family: var(--md-code-font), monospace;
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pf-kicker);
  margin-bottom: 0.45rem;
}

.pf-cards h3 {
  margin: 0 0 0.35rem 0;
  font-family: "Archivo", var(--md-text-font), sans-serif;
  font-weight: 700;
  color: var(--md-default-fg-color);
  font-size: 0.85rem;
}

.pf-cards > a:hover h3 { color: var(--md-accent-fg-color); }

.pf-cards p {
  margin: 0;
  font-size: 0.68rem;
  color: var(--md-default-fg-color--light);
}