/* ─── Aotanami Brand Colors ─── */
:root {
  --md-primary-fg-color: #0066FF;
  --md-primary-fg-color--light: #3388FF;
  --md-primary-fg-color--dark: #0044CC;
  --md-accent-fg-color: #00D4AA;
  --aotanami-gradient: linear-gradient(135deg, #0066FF, #00D4AA);
}

[data-md-color-scheme="slate"] {
  --md-default-bg-color: #0A0E1A;
  --md-default-bg-color--light: #111827;
  --md-primary-fg-color: #0066FF;
  --md-accent-fg-color: #00D4AA;
}

/* ─── Hero Section (homepage) ─── */
.md-typeset .hero {
  text-align: center;
  padding: 4rem 1rem 3rem;
}

.md-typeset .hero img {
  width: 120px;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 0 30px rgba(0, 102, 255, 0.3));
}

.md-typeset .hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin: 0;
  background: var(--aotanami-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.md-typeset .hero .hero-subtitle {
  font-size: 1.3rem;
  color: var(--md-default-fg-color--light);
  margin: 0.5rem 0 0.3rem;
  font-weight: 500;
}

.md-typeset .hero .hero-byline {
  font-size: 0.95rem;
  color: var(--md-default-fg-color--lighter);
  margin-bottom: 2rem;
}

.md-typeset .hero .hero-byline a {
  color: var(--md-accent-fg-color);
}

/* ─── CTA Buttons ─── */
.md-typeset .hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.md-typeset .hero-actions a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.md-typeset .hero-actions .primary-btn {
  background: var(--aotanami-gradient);
  color: #fff !important;
  box-shadow: 0 4px 15px rgba(0, 102, 255, 0.35);
}

.md-typeset .hero-actions .primary-btn:hover {
  box-shadow: 0 6px 25px rgba(0, 102, 255, 0.5);
  transform: translateY(-2px);
}

.md-typeset .hero-actions .secondary-btn {
  border: 1.5px solid var(--md-default-fg-color--lighter);
  color: var(--md-default-fg-color);
}

.md-typeset .hero-actions .secondary-btn:hover {
  border-color: var(--md-accent-fg-color);
  color: var(--md-accent-fg-color);
}

/* ─── Feature Grid ─── */
.md-typeset .feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0;
}

.md-typeset .feature-card {
  padding: 1.5rem;
  border-radius: 12px;
  background: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  transition: all 0.2s ease;
}

.md-typeset .feature-card:hover {
  border-color: var(--md-accent-fg-color);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.md-typeset .feature-card .feature-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.md-typeset .feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.md-typeset .feature-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--md-default-fg-color--light);
}

/* ─── Badges bar ─── */
.md-typeset .badges {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}

/* ─── Architecture diagram full-width ─── */
.md-typeset .mermaid {
  text-align: center;
}

/* ─── Smooth animations ─── */
.md-typeset .feature-card,
.md-typeset .hero-actions a {
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Code blocks ─── */
.md-typeset code {
  border-radius: 4px;
}

/* ─── Footer branding ─── */
.md-footer-meta__inner {
  display: flex;
  justify-content: center;
}