/* SceneView — Polished developer docs styling */
/* Extends MkDocs Material with branded hero, stats, feature cards */

/* SceneView M3 Expressive tokens — aligned with Stitch design system */
:root {
  --md-primary-fg-color: #005bc1;
  --md-primary-fg-color--light: #3d7fd9;
  --md-primary-fg-color--dark: #0050aa;
  --md-accent-fg-color: #6446cd;
  --sv-gradient-start: #005bc1;
  --sv-gradient-end: #6446cd;
  --sv-card-bg: rgba(0, 91, 193, 0.04);
  --sv-card-border: rgba(0, 91, 193, 0.12);
}

[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #a4c1ff;
  --md-primary-fg-color--light: #79a8ff;
  --md-primary-fg-color--dark: #5a8ee8;
  --md-accent-fg-color: #d2a8ff;
  --sv-gradient-start: #0d419d;
  --sv-gradient-end: #5a32a3;
  --sv-card-bg: rgba(164, 193, 255, 0.08);
  --sv-card-border: rgba(164, 193, 255, 0.15);
}

/* ─── Hero Section ─── */

.sv-hero {
  text-align: center;
  padding: 5rem 1.5rem 3rem;
  margin: -0.5rem -0.6rem 2rem;
  background: linear-gradient(135deg, var(--sv-gradient-start) 0%, var(--sv-gradient-end) 100%);
  border-radius: 0 0 24px 24px;
  position: relative;
  overflow: hidden;
}

.sv-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.sv-hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.9);
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.sv-hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 1rem;
  color: white !important;
  line-height: 1.1;
}

.sv-hero .sv-tagline {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85) !important;
  margin: 0 auto 1.5rem;
  max-width: 640px;
  line-height: 1.7;
}

.sv-hero .sv-platforms {
  margin-bottom: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.sv-platform-chip {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.9);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
}

.sv-hero .md-button {
  color: white !important;
  border-color: rgba(255, 255, 255, 0.4) !important;
}

.sv-hero .md-button--primary {
  background: white !important;
  color: var(--sv-gradient-start) !important;
  border-color: white !important;
  font-weight: 600;
}

.sv-hero .md-button--primary:hover {
  background: rgba(255, 255, 255, 0.9) !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.sv-hero .md-button:not(.md-button--primary):hover {
  background: rgba(255, 255, 255, 0.12) !important;
}

.sv-btn-lg {
  padding: 0.7rem 1.8rem !important;
  font-size: 0.95rem !important;
  border-radius: 100px !important;
}

/* ─── Stats Bar ─── */

.sv-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  padding: 2rem 1rem;
  margin: -1rem auto 2rem;
  max-width: 700px;
}

.sv-stat {
  text-align: center;
}

.sv-stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--md-primary-fg-color);
}

.sv-stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--md-default-fg-color--light);
  font-weight: 500;
  margin-top: 0.2rem;
}

/* ─── Feature Cards ─── */

.sv-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.sv-feature-card {
  background: var(--sv-card-bg);
  border: 1px solid var(--sv-card-border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sv-feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 91, 193, 0.08);
}

.sv-feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 700;
}

.sv-feature-card p {
  margin: 0;
  color: var(--md-default-fg-color--light);
  font-size: 0.88rem;
  line-height: 1.65;
}

.sv-feature-card .sv-card-icon {
  font-size: 1.5rem;
  margin-bottom: 0.6rem;
  display: block;
  color: var(--md-primary-fg-color);
}

/* ─── Concepts ─── */

.sv-concepts h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.sv-concepts p {
  color: var(--md-default-fg-color--light);
  line-height: 1.7;
}

/* ─── Testimonials ─── */

.sv-testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.sv-testimonial {
  background: var(--sv-card-bg);
  border-left: 3px solid var(--md-primary-fg-color);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin: 0;
}

.sv-testimonial p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--md-default-fg-color--light);
  font-style: italic;
}

/* ─── Community links ─── */

.sv-community {
  text-align: center;
  padding: 3rem 0 1rem;
}

.sv-community h2 {
  margin-bottom: 0.5rem;
}

.sv-community p {
  color: var(--md-default-fg-color--light);
  margin-bottom: 1.5rem;
}

/* ─── Codelab Step Numbers ─── */

.md-content[data-md-component="content"] .codelab-steps {
  counter-reset: step;
}

.md-content[data-md-component="content"] .codelab-steps h2 {
  counter-increment: step;
  display: flex;
  align-items: center;
  gap: 12px;
}

.md-content[data-md-component="content"] .codelab-steps h2::before {
  content: counter(step);
  background: var(--md-primary-fg-color);
  color: white;
  font-size: 0.85rem;
  font-weight: 600;
  min-width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ─── Code blocks — slightly more padding ─── */

.highlight code {
  font-size: 0.84rem;
}

/* ─── Responsive ─── */

@media (max-width: 768px) {
  .sv-hero {
    padding: 3rem 1rem 2rem;
  }
  .sv-hero h1 {
    font-size: 2.2rem;
  }
  .sv-hero .sv-tagline {
    font-size: 1rem;
  }
  .sv-stats {
    gap: 1.5rem;
    flex-wrap: wrap;
  }
  .sv-stat-number {
    font-size: 1.4rem;
  }
  .sv-testimonials {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .sv-hero h1 {
    font-size: 1.8rem;
  }
  .sv-stats {
    gap: 1rem;
  }
  .sv-stat-number {
    font-size: 1.2rem;
  }
  .sv-btn-lg {
    padding: 0.6rem 1.2rem !important;
    font-size: 0.85rem !important;
  }
}