/* =================================================================
   Intent Forge — Brand Theme
   "Intent meets Forge" — cold iron-blue thinking + hot molten craft
   ================================================================= */

/* -- Palette: CSS custom properties ------------------------------- */

:root {
  /* Forge palette */
  --if-iron:        #141a26;  /* Primary navy — the "intent" side */
  --if-iron-light:  #1f2735;
  --if-iron-dark:   #0a0d11;  /* Background — smithy black */

  --if-forge:       #ff5722;  /* Molten orange — the "forge" side */
  --if-forge-warm:  #ff7849;  /* Lighter ember */
  --if-forge-deep:  #c63d10;  /* Darker forge */

  --if-spark:       #ffc107;  /* Bright spark — highlights, gradient stops */
  --if-spark-soft:  #ffd54f;  /* Hover/glow */

  --if-plan:        #7dd3fc;  /* Cool plan-blue — links, "intent" callouts */
  --if-plan-soft:   #bae6fd;
}

/* -- Custom Primary Color ----------------------------------------- */

/* Dark mode (slate) — the default */
[data-md-color-scheme="slate"] {
  --md-primary-fg-color:        var(--if-iron);
  --md-primary-fg-color--light: var(--if-iron-light);
  --md-primary-fg-color--dark:  var(--if-iron-dark);
  --md-hue: 218;

  /* Pure smithy-black bg */
  --md-default-bg-color:        var(--if-iron-dark);
  --md-default-bg-color--light: #11151c;

  /* Accent (used for highlighted UI: active nav, search caret, etc.) */
  --md-accent-fg-color: var(--if-forge);

  /* Link color — cool blue contrasts with the warm accent */
  --md-typeset-a-color: var(--if-plan);
}

/* Light mode — for the toggle */
[data-md-color-scheme="default"] {
  --md-primary-fg-color:        #1f2c44;
  --md-primary-fg-color--light: #2d3f5e;
  --md-primary-fg-color--dark:  #131c2d;
  --md-primary-bg-color: #ffffff;
  --md-primary-bg-color--light: #ffffffcc;

  --md-accent-fg-color: var(--if-forge-deep);
  --md-typeset-a-color: #0369a1;
}

/* Tabs bar always uses dark primary as bg, so links stay white */
[data-md-color-scheme="default"] .md-tabs__link {
  color: rgba(255, 255, 255, 0.7);
  opacity: 1;
}
[data-md-color-scheme="default"] .md-tabs__link:hover,
[data-md-color-scheme="default"] .md-tabs__link--active {
  color: #ffffff;
  opacity: 1;
}

/* Light mode card hover — use forge accent */
[data-md-color-scheme="default"] .md-typeset .grid.cards > ul > li:hover,
[data-md-color-scheme="default"] .md-typeset .grid.cards > ol > li:hover {
  border-color: var(--if-forge);
  box-shadow: 0 8px 24px rgba(255, 87, 34, 0.15);
}

/* Light mode hero gradient — different stops for contrast on white bg */
[data-md-color-scheme="default"] .md-typeset .hero-section h1 {
  background: linear-gradient(135deg, #0369a1 0%, var(--if-forge-deep) 60%, #b45309 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-md-color-scheme="default"] .md-typeset code:not(pre code) {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

/* -- Header & Tabs ------------------------------------------------ */

.md-header {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
}

.md-header__title {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.md-tabs {
  background: var(--md-primary-fg-color--dark);
}

.md-tabs__link--active,
.md-tabs__link:hover {
  opacity: 1;
}

/* -- Home Page Hero ----------------------------------------------- */

.md-typeset .hero-section {
  position: relative;
  text-align: center;
  padding: 4.5rem 1rem 2.5rem;
  margin-bottom: 1rem;
}

/* Ember glow halo behind the title — radial gradient with the forge palette.
   Soft, low opacity, subtle. Establishes the brand without shouting. */
.md-typeset .hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(900px, 90%);
  height: 380px;
  background:
    radial-gradient(ellipse at 50% 35%,
      rgba(255, 87, 34, 0.18) 0%,
      rgba(255, 193, 7, 0.08) 30%,
      rgba(125, 211, 252, 0.04) 55%,
      transparent 75%);
  filter: blur(20px);
  pointer-events: none;
  z-index: 0;
}

.md-typeset .hero-section > * {
  position: relative;
  z-index: 1;
}

.md-typeset .hero-section h1 {
  font-size: 3.25rem;
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin-bottom: 0.5rem;
  /* Cold intent → hot forge → bright spark. Tells the brand in one gradient. */
  background: linear-gradient(135deg,
    var(--if-plan) 0%,
    var(--if-forge) 55%,
    var(--if-spark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.md-typeset .hero-section .hero-tagline {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--md-default-fg-color--light);
  max-width: 640px;
  margin: 0 auto 2rem;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.md-typeset .hero-section .hero-tagline strong {
  color: var(--md-default-fg-color);
  font-weight: 700;
}

.md-typeset .hero-section .hero-badges {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.md-typeset .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.15s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

[data-md-color-scheme="slate"] .hero-badge {
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-md-color-scheme="default"] .hero-badge {
  background: rgba(0, 0, 0, 0.04);
  color: rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.md-typeset .hero-badge:hover {
  transform: translateY(-1px);
  border-color: var(--if-forge);
  box-shadow: 0 0 12px rgba(255, 87, 34, 0.25);
}

/* -- Headline Numbers Strip --------------------------------------- */

.md-typeset .stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  max-width: 64rem;
  margin: 0 auto 3rem;
  padding: 0 1rem;
}

.md-typeset .stat-card {
  text-align: center;
  padding: 1.5rem 1rem;
  border-radius: 12px;
  border: 1px solid;
  transition: transform 0.15s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

[data-md-color-scheme="slate"] .stat-card {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.08);
}

[data-md-color-scheme="default"] .stat-card {
  background: rgba(0, 0, 0, 0.02);
  border-color: rgba(0, 0, 0, 0.08);
}

.md-typeset .stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--if-forge);
  box-shadow: 0 4px 18px rgba(255, 87, 34, 0.15);
}

.md-typeset .stat-number {
  display: block;
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  /* Match the hero gradient for visual continuity */
  background: linear-gradient(135deg,
    var(--if-plan) 0%,
    var(--if-forge) 60%,
    var(--if-spark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.md-typeset .stat-label {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--md-default-fg-color--light);
}

@media screen and (max-width: 60em) {
  .md-typeset .stats-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* -- Grid Cards --------------------------------------------------- */

.md-typeset .grid.cards > ul > li,
.md-typeset .grid.cards > ol > li {
  border-radius: 12px;
  transition: transform 0.15s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.md-typeset .grid.cards > ul > li:hover,
.md-typeset .grid.cards > ol > li:hover {
  transform: translateY(-3px);
}

[data-md-color-scheme="slate"] .md-typeset .grid.cards > ul > li:hover,
[data-md-color-scheme="slate"] .md-typeset .grid.cards > ol > li:hover {
  border-color: var(--if-forge);
  box-shadow: 0 8px 28px rgba(255, 87, 34, 0.18);
}

/* Card icon picks up the forge tint on hover */
.md-typeset .grid.cards > ul > li:hover > :first-child .twemoji,
.md-typeset .grid.cards > ol > li:hover > :first-child .twemoji {
  color: var(--if-forge);
  transition: color 0.2s ease;
}

/* -- Content Layout ----------------------------------------------- */

/* Wider layout for content pages */
.md-main .md-grid {
  max-width: 90rem !important;
}

/* Cap home page content so cards don't stretch edge-to-edge */
.md-content__inner .hero-section,
.md-content__inner .stats-strip,
.md-content__inner .grid.cards,
.md-content__inner > .admonition,
.md-content__inner > hr {
  max-width: 64rem;
  margin-left: auto;
  margin-right: auto;
}

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

.md-typeset h1 {
  font-weight: 800;
  letter-spacing: -0.025em;
}

.md-typeset h2 {
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-top: 2.5em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

.md-typeset h3 {
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* -- Code Blocks -------------------------------------------------- */

.md-typeset code {
  font-size: 0.82em;
}

.md-typeset pre code {
  font-size: 0.82em;
}

[data-md-color-scheme="slate"] .md-typeset code:not(pre code) {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--if-spark-soft);
}

/* Copy button — subtle */
.md-clipboard {
  opacity: 0;
  transition: opacity 0.2s, color 0.2s;
}

.md-typeset pre:hover .md-clipboard {
  opacity: 0.7;
}

.md-typeset pre:hover .md-clipboard:hover {
  opacity: 1;
  color: var(--if-forge);
}

/* -- Tables ------------------------------------------------------- */

.md-typeset table:not([class]) {
  border-radius: 8px;
  overflow: hidden;
  font-size: 0.88em;
}

.md-typeset table:not([class]) th {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75em;
  letter-spacing: 0.06em;
}

/* -- Admonitions -------------------------------------------------- */

.md-typeset .admonition,
.md-typeset details {
  border-radius: 8px;
}

/* "info" admonitions pick up the cool plan-blue */
[data-md-color-scheme="slate"] .md-typeset .admonition.info,
[data-md-color-scheme="slate"] .md-typeset details.info {
  border-color: rgba(125, 211, 252, 0.3);
}

[data-md-color-scheme="slate"] .md-typeset .admonition.info > .admonition-title,
[data-md-color-scheme="slate"] .md-typeset details.info > summary {
  background: rgba(125, 211, 252, 0.08);
}

/* -- Buttons ------------------------------------------------------ */

.md-typeset .md-button--primary {
  background-color: var(--if-forge);
  border-color: var(--if-forge);
  font-weight: 600;
  border-radius: 8px;
  padding: 0.6em 1.4em;
  transition: transform 0.15s, box-shadow 0.2s, background-color 0.2s;
}

.md-typeset .md-button--primary:hover {
  background-color: var(--if-forge-warm);
  border-color: var(--if-forge-warm);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(255, 87, 34, 0.4);
}

.md-typeset .md-button:not(.md-button--primary) {
  border-radius: 8px;
  padding: 0.6em 1.4em;
  font-weight: 600;
}

/* -- Sidebar ------------------------------------------------------ */

.md-nav__link--active {
  font-weight: 600;
  color: var(--if-forge);
}

/* -- Footer ------------------------------------------------------- */

.md-footer {
  margin-top: 3rem;
}

/* -- Selection ---------------------------------------------------- */

[data-md-color-scheme="slate"] ::selection {
  background: rgba(255, 87, 34, 0.35);
  color: #fff;
}

/* -- Mermaid ------------------------------------------------------ */

.mermaid {
  --mermaid-font-family: Inter, sans-serif;
  --md-mermaid-label-fg-color: #fff;
}

/* -- Responsive --------------------------------------------------- */

@media screen and (max-width: 76.25em) {
  .md-typeset .hero-section h1 {
    font-size: 2.4rem;
  }
  .md-typeset .hero-section .hero-tagline {
    font-size: 1.1rem;
  }
  .md-typeset .stat-number {
    font-size: 2rem;
  }
}

@media screen and (max-width: 44.9375em) {
  .md-typeset .hero-section {
    padding: 2.5rem 0.5rem 1.5rem;
  }
  .md-typeset .hero-section h1 {
    font-size: 1.9rem;
  }
  .md-typeset .stat-number {
    font-size: 1.7rem;
  }
  .md-typeset .stat-label {
    font-size: 0.7rem;
  }
}

/* -- Print -------------------------------------------------------- */

@media print {
  .md-header,
  .md-tabs,
  .md-sidebar,
  .md-footer {
    display: none;
  }
}