/* RokkuWare Primer Reader Stylesheet (Per Blueprint Pages 4-7) */
@import url('variables.css');

/* ==========================================================================
   Hero Banner (Full-Width, 400px / 45vh)
   ========================================================================== */
.primer-hero {
  position: relative;
  width: 100%;
  height: 420px;
  min-height: 40vh;
  background-color: #1a1a1a;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.primer-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.primer-hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.4) 40%,
    rgba(0, 0, 0, 0.85) 100%
  );
  z-index: 1;
}

.primer-hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  width: 100%;
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: #ffffff;
}

.primer-category-badge {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
}

.primer-title {
  font-family: var(--font-brand);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
}

.primer-teaser {
  font-size: 1.15rem;
  opacity: 0.95;
  font-weight: 400;
  line-height: 1.5;
}

/* ==========================================================================
   Content Blocks (Capped at 800px max-width for optimal reading)
   ========================================================================== */
.primer-content-block {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.primer-section-node {
  margin-bottom: 3.5rem;
}

.primer-section-node:last-child {
  margin-bottom: 0;
}

.node-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.node-heading {
  font-family: var(--font-brand);
  font-size: 1.85rem;
  font-weight: 800;
  color: #1c1e21;
  line-height: 1.3;
  margin-bottom: 1.25rem;
  letter-spacing: -0.3px;
}

.node-body {
  font-size: 1.15rem;
  line-height: 1.75;
  color: #333333;
}

.node-body p {
  margin-bottom: 1.25rem;
}

/* Highlight Box for Day-One Milestone */
.milestone-box {
  background-color: #f6fbf9;
  border-left: 5px solid #0e8a3a;
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-top: 1rem;
}

.milestone-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  color: #0e8a3a;
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   Media Block: The Rabbit Hole (Full-Width Breakout with #F0F2F5 bg)
   ========================================================================== */
.rabbit-hole-section {
  width: 100%;
  background-color: #f0f2f5;
  padding: 4.5rem 1.5rem;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.rabbit-hole-container {
  max-width: 1200px;
  margin: 0 auto;
}

.rabbit-hole-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 2.5rem;
}

.rabbit-hole-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.video-card {
  background-color: var(--bg-surface);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.video-card:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-md);
}

.video-thumb-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  background-color: #222;
  overflow: hidden;
}

.video-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.play-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  background-color: rgba(220, 20, 60, 0.9);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s ease;
}

.video-card:hover .play-badge {
  transform: translate(-50%, -50%) scale(1.1);
  background-color: #e60000;
}

.video-info {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.video-title {
  font-size: 0.975rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.4;
  margin-bottom: 0.4rem;
  flex: 1;
}

.video-channel {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ==========================================================================
   Starter Kit & Budget (E-Commerce Style Amazon Cards)
   ========================================================================== */
.starter-kit-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 5rem;
}

.starter-kit-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.gear-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.gear-card {
  background-color: #ffffff;
  border: 1px solid #eaeaea;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.gear-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #d8d8d8;
}

.gear-image-wrap {
  aspect-ratio: 1 / 1;
  background-color: #fbfbfb;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  overflow: hidden;
  padding: 1rem;
}

.gear-icon-placeholder {
  font-size: 3rem;
  color: var(--primary);
  opacity: 0.75;
}

.gear-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.35;
  margin-bottom: 0.5rem;
  min-height: 2.7rem;
}

.gear-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 1.25rem;
}

.btn-amazon {
  display: block;
  text-align: center;
  background-color: var(--primary);
  color: #ffffff;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.9rem;
  transition: background-color var(--transition-fast);
  margin-top: auto;
}

.btn-amazon:hover {
  background-color: var(--primary-hover);
}

/* ==========================================================================
   Responsive Primer
   ========================================================================== */
@media (max-width: 900px) {
  .rabbit-hole-grid {
    grid-template-columns: 1fr;
  }
  .primer-title {
    font-size: 2rem;
  }
}