/* ============================================================================
   CircuitKit — design system
   Direction: minimal, technical, monochrome + restrained orange accent
   matching the CircuitKit logo (EC5A2C).
   Type: Bricolage Grotesque (display) · Schibsted Grotesk (text, via theme)
         · IBM Plex Mono (code, via theme)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,500;12..96,600;12..96,700&display=swap');

:root {
  --ck-ink: #0f172a;
  --ck-ink-2: #1e293b;
  --ck-accent: #EC5A2C;
  --ck-accent-dim: rgba(236, 90, 44, 0.12);
  --ck-paper: #f8fafc;
  --ck-display: "Bricolage Grotesque", "Schibsted Grotesk", sans-serif;
}

/* ── Palette: light ─────────────────────────────────────────────────────── */
[data-md-color-scheme="default"] {
  --md-primary-fg-color: var(--ck-ink);
  --md-primary-fg-color--light: var(--ck-ink-2);
  --md-primary-fg-color--dark: #020617;
  --md-accent-fg-color: var(--ck-accent);
  --md-typeset-a-color: var(--ck-accent);
  --md-default-bg-color: var(--ck-paper);
  --md-code-bg-color: #eef2f6;
  --md-footer-bg-color: var(--ck-ink);
  --md-footer-bg-color--dark: #020617;
}

/* ── Palette: dark ────────────────────────────────────────────────────────── */
[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #0c1220;
  --md-primary-fg-color--light: var(--ck-ink-2);
  --md-primary-fg-color--dark: #070d16;
  --md-accent-fg-color: var(--ck-accent);
  --md-typeset-a-color: var(--ck-accent);
  --md-default-bg-color: #0f1722;
  --md-default-fg-color--lightest: rgba(148, 163, 184, 0.12);
  --md-code-bg-color: #151e2e;
  --md-footer-bg-color: #0c1220;
  --md-footer-bg-color--dark: #070d16;
}

/* ── Typography ─────────────────────────────────────────────────────────── */
.md-typeset h1,
.md-typeset h2,
.md-typeset h3 {
  font-family: var(--ck-display);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.md-typeset h1 {
  color: var(--md-default-fg-color);
  font-weight: 700;
}

.md-header__topic,
.md-tabs__link {
  font-family: var(--ck-display);
  font-weight: 600;
}

/* ── Header & tabs ──────────────────────────────────────────────────────── */
.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  height: 1.6rem;
  width: auto;
  filter: drop-shadow(0 0 4px rgba(236, 90, 44, 0.15));
}

.md-tabs {
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

.md-header__title {
  font-size: 0.95rem;
}

.md-tabs__link {
  opacity: 0.75;
  transition: color 125ms, opacity 125ms;
}

.md-tabs__link:hover {
  color: var(--ck-accent);
  opacity: 1;
}

.md-tabs__link--active {
  color: var(--ck-accent);
  opacity: 1;
  box-shadow: 0 2px 0 0 var(--ck-accent);
}

.md-search__form {
  border-radius: 0.3rem;
}

/* ── Landing hero ───────────────────────────────────────────────────────── */
.ck-hero {
  position: relative;
  text-align: center;
  padding: 3.2rem 1rem 2.6rem;
  margin: 0 0 1.6rem;
  overflow: hidden;
}

.ck-hero > * {
  position: relative;
}

.ck-hero img.ck-hero-mark {
  position: relative;
  width: 8rem;
  height: auto;
  margin-bottom: 0.8rem;
  z-index: 1;
}

/* ── Animated badge (pulsing glow behind logo) ──────────────────────────── */
.ck-hero-mark::before {
  display: none;
}

.ck-hero .ck-hero-logo-wrap {
  position: relative;
  display: inline-block;
  margin-bottom: 0.8rem;
}

.ck-hero .ck-hero-logo-wrap::before {
  content: "";
  position: absolute;
  inset: -24px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--ck-accent-dim) 0%, transparent 70%);
  animation: ck-pulse 2.4s ease-in-out infinite;
  pointer-events: none;
}

.ck-hero .ck-hero-logo-wrap::after {
  content: "";
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 1.5px solid var(--ck-accent);
  opacity: 0.25;
  animation: ck-ring 2.4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes ck-pulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50%      { transform: scale(1.12); opacity: 1; }
}

@keyframes ck-ring {
  0%, 100% { transform: scale(1); opacity: 0.2; }
  50%      { transform: scale(1.08); opacity: 0.45; }
}

.ck-hero h1.ck-hero-title {
  font-family: var(--ck-display);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0.2rem auto 0.7rem;
  max-width: 34rem;
}

.ck-hero h1.ck-hero-title em {
  font-style: normal;
  color: var(--ck-accent);
}

.ck-hero p.ck-tagline {
  font-size: 0.92rem;
  line-height: 1.6;
  max-width: 36rem;
  margin: 0 auto 1.5rem;
  color: var(--md-default-fg-color--light);
}

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

.ck-chips {
  margin-top: 1.1rem;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--md-default-fg-color--light);
}

.ck-chips span {
  display: inline-block;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 1rem;
  padding: 0.15rem 0.65rem;
  margin: 0.15rem 0.15rem;
  background: var(--md-default-bg-color);
}

.ck-hero .md-button--primary {
  background-color: var(--ck-accent);
  border-color: var(--ck-accent);
  transition: background-color 125ms, border-color 125ms, transform 125ms;
}

.ck-hero .md-button--primary:hover {
  background-color: #d04e24;
  border-color: var(--ck-accent);
  transform: translateY(-1px);
}

[data-md-color-scheme="slate"] .ck-hero .md-button:not(.md-button--primary) {
  color: var(--md-default-fg-color);
  border-color: var(--md-default-fg-color--light);
}

[data-md-color-scheme="slate"] .ck-hero .md-button:not(.md-button--primary):hover {
  color: var(--ck-accent);
  border-color: var(--ck-accent);
  background-color: transparent;
}

/* ── Mermaid: brand palette ─────────────────────────────────────────────── */
:root,
[data-md-color-scheme="default"] {
  --md-mermaid-node-bg-color: color-mix(in srgb, var(--ck-accent) 10%, #ffffff);
  --md-mermaid-node-fg-color: var(--ck-ink);
  --md-mermaid-edge-color: var(--ck-ink-2);
  --md-mermaid-label-bg-color: var(--ck-paper);
  --md-mermaid-label-fg-color: var(--ck-ink);
  --md-mermaid-font-family: var(--md-text-font-family);
}

[data-md-color-scheme="slate"] {
  --md-mermaid-node-bg-color: #1a2438;
  --md-mermaid-node-fg-color: #cbd5e1;
  --md-mermaid-edge-color: #64748b;
  --md-mermaid-label-bg-color: #0f1722;
  --md-mermaid-label-fg-color: #cbd5e1;
}

/* ── Full-width tables ──────────────────────────────────────────────────── */
.ck-wide table {
  width: 100%;
  display: table;
}

/* staggered load reveal */
@media (prefers-reduced-motion: no-preference) {
  .ck-hero > * {
    opacity: 0;
    transform: translateY(10px);
    animation: ck-rise 480ms cubic-bezier(0.2, 0.6, 0.2, 1) forwards;
  }
  .ck-hero > *:nth-child(1) { animation-delay: 60ms; }
  .ck-hero > *:nth-child(2) { animation-delay: 140ms; }
  .ck-hero > *:nth-child(3) { animation-delay: 220ms; }
  .ck-hero > *:nth-child(4) { animation-delay: 300ms; }
  .ck-hero > *:nth-child(5) { animation-delay: 380ms; }
}

@keyframes ck-rise {
  to { opacity: 1; transform: none; }
}

/* ── Grid cards refinement ──────────────────────────────────────────────── */
.md-typeset .grid.cards > ul > li,
.md-typeset .grid > .card {
  border-radius: 0.35rem;
  border-color: var(--md-default-fg-color--lightest);
  transition: border-color 125ms, box-shadow 125ms, transform 125ms;
}

.md-typeset .grid.cards > ul > li:hover {
  border-top: 2px solid var(--ck-accent);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
  transform: translateY(-2px);
}

[data-md-color-scheme="slate"] .md-typeset .grid.cards > ul > li:hover {
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.md-typeset .grid.cards > ul > li .twemoji.lg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  background: var(--ck-accent-dim);
  vertical-align: middle;
}

.md-typeset .grid.cards > ul > li .twemoji svg {
  color: var(--ck-accent);
}

[data-md-color-scheme="slate"] .md-typeset .grid.cards > ul > li .twemoji.lg {
  background: color-mix(in srgb, var(--ck-accent) 16%, transparent);
}

[data-md-color-scheme="slate"] .md-typeset .grid.cards > ul > li .twemoji svg {
  color: var(--ck-accent);
}

/* ── Content details ────────────────────────────────────────────────────── */
.md-typeset table:not([class]) th {
  font-family: var(--ck-display);
  font-weight: 600;
  background-color: transparent;
  border-bottom: 2px solid var(--ck-accent);
}

.md-typeset code {
  border-radius: 0.18rem;
}

.md-typeset .admonition,
.md-typeset details {
  border-left-color: var(--ck-accent);
}

.md-footer-social__link:hover svg {
  fill: var(--ck-accent);
}

/* ── Lexsi footer block ─────────────────────────────────────────────────── */
.ck-lexsi-footer {
  text-align: center;
  margin: 2.4rem 0 0.8rem;
}

.ck-lexsi-footer p {
  margin: 0.25rem 0;
  color: var(--md-default-fg-color--light);
  font-size: 0.74rem;
}

.ck-lexsi-on-dark { display: none; }
[data-md-color-scheme="slate"] .ck-lexsi-on-light { display: none; }
[data-md-color-scheme="slate"] .ck-lexsi-on-dark { display: inline; }