/* ─── Custom fonts ──────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ─── Header gradient ───────────────────────────────────────────────────────── */
.md-header {
  background: linear-gradient(135deg, #4527a0 0%, #1a237e 60%, #0d47a1 100%);
  box-shadow: 0 2px 20px rgba(69, 39, 160, 0.4);
}

[data-md-color-scheme="slate"] .md-header {
  background: linear-gradient(135deg, #311b92 0%, #1a237e 60%, #0d47a1 100%);
}

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

/* ─── Navigation tabs ───────────────────────────────────────────────────────── */
.md-tabs {
  background: linear-gradient(135deg, #4527a0 0%, #1a237e 60%, #0d47a1 100%);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.md-tabs__link--active {
  border-bottom: 2px solid #00e5ff;
  font-weight: 500;
}

/* ─── Hero section ──────────────────────────────────────────────────────────── */
.hero {
  padding: 3rem 0 2rem;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #7c4dff 0%, #00e5ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--md-default-fg-color--light);
  margin-bottom: 2rem;
  font-weight: 300;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ─── Buttons ───────────────────────────────────────────────────────────────── */
.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  border-radius: 2rem;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.2s ease;
  margin: 0.25rem;
}

.btn-primary {
  background: linear-gradient(135deg, #7c4dff, #00b0ff);
  color: white !important;
  box-shadow: 0 4px 15px rgba(124, 77, 255, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(124, 77, 255, 0.5);
}

.btn-secondary {
  border: 2px solid var(--md-primary-fg-color);
  color: var(--md-primary-fg-color) !important;
}

.btn-secondary:hover {
  background: var(--md-primary-fg-color);
  color: white !important;
  transform: translateY(-2px);
}

/* ─── Feature cards ─────────────────────────────────────────────────────────── */
.md-typeset .grid.cards > ul > li,
.md-typeset .grid.cards > ol > li {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 12px;
  padding: 1.25rem;
  transition: all 0.25s ease;
  background: var(--md-default-bg-color);
}

.md-typeset .grid.cards > ul > li:hover,
.md-typeset .grid.cards > ol > li:hover {
  border-color: var(--md-accent-fg-color);
  box-shadow: 0 4px 20px rgba(0, 229, 255, 0.15);
  transform: translateY(-2px);
}

/* ─── Code blocks ───────────────────────────────────────────────────────────── */
.md-typeset .highlight code,
.md-typeset pre code {
  font-size: 0.85rem;
  line-height: 1.6;
}

.md-typeset .highlight {
  border-radius: 8px;
  overflow: hidden;
}

/* Code block title bar */
.md-typeset .highlight > span.filename {
  background: rgba(0,0,0,0.3);
  padding: 0.4rem 1rem;
  font-size: 0.75rem;
  font-family: var(--md-code-font-family);
  color: rgba(255,255,255,0.7);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: block;
}

/* ─── Admonitions ───────────────────────────────────────────────────────────── */
.md-typeset .admonition,
.md-typeset details {
  border-radius: 8px;
  border: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.md-typeset .admonition-title,
.md-typeset summary {
  border-radius: 8px 8px 0 0;
  font-weight: 600;
}

/* ─── Tables ────────────────────────────────────────────────────────────────── */
.md-typeset table:not([class]) {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 8px rgba(0,0,0,0.08);
}

.md-typeset table:not([class]) th {
  background: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color);
  font-weight: 600;
}

/* ─── Mermaid diagrams ──────────────────────────────────────────────────────── */
.mermaid {
  text-align: center;
}

/* ─── Content width ─────────────────────────────────────────────────────────── */
.md-grid {
  max-width: 1400px;
}

/* ─── Sidebar nav ───────────────────────────────────────────────────────────── */
.md-nav__link--active {
  color: var(--md-accent-fg-color);
  font-weight: 600;
}

/* ─── Footer ────────────────────────────────────────────────────────────────── */
.md-footer {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

/* ─── Dark mode adjustments ─────────────────────────────────────────────────── */
[data-md-color-scheme="slate"] {
  --md-default-bg-color: #0f0f23;
  --md-default-bg-color--light: #1a1a3e;
  --md-code-bg-color: #1e1e3f;
}

[data-md-color-scheme="slate"] .md-typeset .grid.cards > ul > li {
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.08);
}

[data-md-color-scheme="slate"] .md-typeset .admonition,
[data-md-color-scheme="slate"] .md-typeset details {
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* ─── Pulse badge ───────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.3);
  color: #00e5ff;
  padding: 0.2rem 0.75rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: inline-block;
}