/* MCP tool gallery — responsive SVG cards */
.md-typeset img[src*="mcp-tools/"] {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1rem 0;
  border-radius: var(--sdv-radius);
  border: 1px solid var(--sdv-border);
  box-shadow: var(--sdv-shadow);
}

/* Sentinel DV — documentation theme */

:root {
  --sdv-brand: #0f766e;
  --sdv-brand-light: #14b8a6;
  --sdv-brand-dark: #115e59;
  --sdv-accent: #06b6d4;
  --sdv-ink: #0f172a;
  --sdv-muted: #64748b;
  --sdv-surface: #f8fafc;
  --sdv-border: rgba(15, 23, 42, 0.08);
  --sdv-radius: 0.75rem;
  --sdv-shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 8px 24px rgba(15, 23, 42, 0.06);

  --md-primary-fg-color: var(--sdv-brand);
  --md-primary-fg-color--light: var(--sdv-brand-light);
  --md-primary-fg-color--dark: var(--sdv-brand-dark);
  --md-accent-fg-color: var(--sdv-accent);
  --md-typeset-a-color: var(--sdv-brand);
}

[data-md-color-scheme="slate"] {
  --sdv-ink: #e2e8f0;
  --sdv-muted: #94a3b8;
  --sdv-surface: #1e293b;
  --sdv-border: rgba(226, 232, 240, 0.1);
  --sdv-shadow: 0 1px 3px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.25);

  --md-primary-fg-color: #2dd4bf;
  --md-primary-fg-color--light: #5eead4;
  --md-primary-fg-color--dark: #14b8a6;
  --md-accent-fg-color: #22d3ee;
  --md-typeset-a-color: #2dd4bf;
}

/* Header & footer — solid brand, no gradient band */
.md-header {
  background-color: var(--md-primary-fg-color--dark);
}

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

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

/* Readable prose width on doc pages */
.md-content__inner > :not(.sdv-landing) {
  max-width: 48rem;
}

.md-content__inner > .sdv-landing {
  max-width: none;
}

/* ─── Landing page ─── */

.sdv-landing {
  --sdv-hero-bg: linear-gradient(165deg, #0f172a 0%, #134e4a 55%, #0f766e 100%);
  --sdv-hero-fg: #f8fafc;
  --sdv-hero-muted: rgba(248, 250, 252, 0.82);
  --sdv-grid-color: rgba(255, 255, 255, 0.06);
  --sdv-hero-btn-border: rgba(255, 255, 255, 0.45);
  --sdv-hero-btn-bg: rgba(255, 255, 255, 0.08);
  --sdv-hero-btn-hover: rgba(255, 255, 255, 0.16);
}

[data-md-color-scheme="slate"] .sdv-landing {
  --sdv-hero-bg: linear-gradient(165deg, #020617 0%, #0f172a 40%, #134e4a 100%);
  --sdv-grid-color: rgba(45, 212, 191, 0.08);
}

.sdv-hero {
  position: relative;
  margin: 0 0 2.5rem;
  padding: 3.5rem 2rem 3rem;
  border-radius: calc(var(--sdv-radius) + 0.25rem);
  background: var(--sdv-hero-bg);
  color: var(--sdv-hero-fg);
  text-align: center;
  overflow: hidden;
  box-shadow: var(--sdv-shadow);
}

.sdv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--sdv-grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--sdv-grid-color) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% -10%, black 20%, transparent 75%);
  pointer-events: none;
}

.sdv-hero::after {
  content: "";
  position: absolute;
  top: -40%;
  right: -15%;
  width: 50%;
  height: 80%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.sdv-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 42rem;
  margin: 0 auto;
}

.sdv-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--sdv-hero-fg);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
}

.sdv-hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--sdv-hero-fg);
}

.sdv-hero__tagline {
  margin: 0 0 1rem;
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 500;
  color: var(--sdv-hero-fg);
  opacity: 1;
}

.sdv-hero__lead {
  margin: 0 auto 1.75rem;
  max-width: 36rem;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--sdv-hero-muted);
}

.sdv-hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}

.sdv-hero .md-button {
  margin: 0;
  font-weight: 600;
  border-radius: 0.5rem;
  padding: 0.55em 1.35em;
}

.sdv-hero .md-button--primary {
  color: var(--sdv-brand-dark);
  background-color: #fff;
  border-color: #fff;
}

.sdv-hero .md-button--primary:hover {
  color: var(--sdv-brand-dark);
  background-color: #f1f5f9;
  border-color: #f1f5f9;
}

.sdv-hero .md-button.sdv-btn-outline {
  color: var(--sdv-hero-fg);
  background: var(--sdv-hero-btn-bg);
  border: 2px solid var(--sdv-hero-btn-border);
}

.sdv-hero .md-button.sdv-btn-outline:hover {
  color: var(--sdv-hero-fg);
  background: var(--sdv-hero-btn-hover);
  border-color: rgba(255, 255, 255, 0.65);
}

/* Stats strip */
.sdv-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin: -1.25rem auto 2.5rem;
  padding: 0 0.5rem;
  max-width: 52rem;
  position: relative;
  z-index: 2;
}

.sdv-stat {
  padding: 1.1rem 1rem;
  text-align: center;
  background: var(--md-default-bg-color);
  border: 1px solid var(--sdv-border);
  border-radius: var(--sdv-radius);
  box-shadow: var(--sdv-shadow);
}

.sdv-stat__value {
  display: block;
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--md-primary-fg-color);
  letter-spacing: -0.02em;
}

.sdv-stat__label {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--sdv-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Section headings on landing */
.sdv-landing h2 {
  margin-top: 2.5rem;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-align: center;
}

.sdv-landing h2::after {
  content: "";
  display: block;
  width: 2.5rem;
  height: 3px;
  margin: 0.65rem auto 0;
  background: var(--md-primary-fg-color);
  border-radius: 2px;
}

/* Feature cards (Material grid) */
.sdv-landing .grid.cards {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 0 0 2rem;
}

.sdv-landing .grid.cards > * {
  padding: 1.35rem 1.25rem;
  border: 1px solid var(--sdv-border);
  border-radius: var(--sdv-radius);
  background: var(--md-default-bg-color);
  box-shadow: var(--sdv-shadow);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.sdv-landing .grid.cards > *:hover {
  border-color: var(--md-primary-fg-color--light);
  box-shadow: 0 4px 20px rgba(15, 118, 110, 0.12);
  transform: translateY(-2px);
}

.sdv-landing .lg.middle {
  font-size: 2.25rem;
  margin-bottom: 0.65rem;
  color: var(--md-primary-fg-color);
}

/* Framework panels */
.sdv-panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin: 1rem 0 2rem;
}

.sdv-panel {
  padding: 1.35rem 1.25rem;
  border: 1px solid var(--sdv-border);
  border-radius: var(--sdv-radius);
  background: var(--sdv-surface);
}

[data-md-color-scheme="slate"] .sdv-panel {
  background: var(--md-code-bg-color);
}

.sdv-panel h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--md-primary-fg-color);
}

.sdv-panel ul {
  margin: 0;
  padding-left: 1.15rem;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--md-default-fg-color--light);
}

/* Code example band */
.sdv-code-band {
  margin: 2rem 0;
  padding: 1.5rem;
  border: 1px solid var(--sdv-border);
  border-radius: var(--sdv-radius);
  background: var(--sdv-surface);
}

[data-md-color-scheme="slate"] .sdv-code-band {
  background: var(--md-code-bg-color);
}

.sdv-code-band .tabbed-set {
  margin-top: 0;
}

/* CTA footer strip */
.sdv-cta {
  margin: 3rem 0 1rem;
  padding: 2.5rem 1.5rem;
  text-align: center;
  border-radius: var(--sdv-radius);
  border: 1px solid var(--sdv-border);
  background: var(--sdv-surface);
}

[data-md-color-scheme="slate"] .sdv-cta {
  background: var(--md-code-bg-color);
}

.sdv-cta p {
  margin: 0 0 1.25rem;
  font-size: 1.1rem;
  color: var(--md-default-fg-color--light);
}

/* Utilities */
.text-center {
  text-align: center;
}

.highlight,
.admonition {
  border-radius: var(--sdv-radius);
}

@media (max-width: 768px) {
  .sdv-hero {
    padding: 2.5rem 1.25rem 2.25rem;
  }

  .sdv-stats {
    margin-top: -0.75rem;
  }
}