/* homepage.css — PlayGuitar v3 blog homepage (front-page.php).
   Source: design/od-blog-homepage/screens/desktop.html (approved 2026-06-05).
   Loaded only on .home body class. Depends on main.css (tokens + chrome). */

/* ─── Section scaffolding ──────────────────────────────────────── */
.hp-section {
  padding: clamp(3.5rem, 6vw, 6rem) 0;
}
.hp-section-tint {
  background: var(--paper-tint);
}
.hp-inner {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}
.hp-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}
.hp-section-head h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  letter-spacing: var(--track-tight);
}
.hp-section-head .view-all {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--brand);
  text-decoration: none;
  white-space: nowrap;
}
.hp-section-head .view-all:hover {
  color: var(--brand-hover);
}

/* ─── Hero ──────────────────────────────────────────────────────── */
.hp-hero {
  background: var(--paper);
  padding: clamp(3rem, 6vw, 5.5rem) 0 clamp(3.5rem, 7vw, 6rem);
  border-bottom: 1px solid var(--hairline);
  position: relative;
  overflow: hidden;
}
.hp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 600px at 90% 10%, var(--brand-wash) 0%, transparent 60%),
    radial-gradient(600px 500px at 0% 100%, var(--accent-soft) 0%, transparent 65%);
  opacity: 0.7;
  pointer-events: none;
}
.hp-hero .hp-inner { position: relative; }
.hp-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.hp-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--space-5);
}
.hp-hero-eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand);
  display: inline-block;
}
.hp-hero-text h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 4.4vw, 3.5rem);
  letter-spacing: -0.022em;
  margin-bottom: var(--space-6);
  font-weight: var(--weight-semibold);
  max-width: 14ch;
  line-height: var(--leading-tight);
}
.hp-hero-body {
  font-size: var(--text-lg);
  line-height: var(--leading-loose);
  color: var(--ink-body);
  max-width: 36ch;
  margin-bottom: var(--space-8);
}

/* Hero opt-in: email + button inline. The shared pg_blog_optin_form('hero')
   renderer outputs a <form class="pg-optin-form"> (email + submit button +
   hidden AWeber fields + a status message div); the .hp-optin-row wrapper drives
   the inline layout, and the redundant in-form "No spam" line is hidden because
   the .hp-optin-trust line below already says it. */
.hp-optin-row {
  max-width: 30rem;
}
.hp-optin-row .pg-optin-form {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-items: stretch;
}
.hp-optin-row input[type="email"] {
  /* basis 0 + grow lets the email fill whatever space the button leaves, so
     email + button stay inline whatever the magnet's button text length. The
     status message (flex-basis 100%) still wraps to its own line below. */
  flex: 1 1 0;
  min-width: 10rem;
  /* white fill + visible warm border + soft shadow so the field reads as fillable
     against the cream (--paper) hero section, not blended into it. */
  background: #fff;
  border: 1.5px solid #cdc6b8;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  border-radius: var(--radius-md);
  padding: 0.95rem 1rem;
  font: inherit;
  font-size: var(--text-base);
  color: var(--ink-body);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.hp-optin-row input[type="email"]:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: var(--shadow-focus);
}
.hp-optin-row button[type="submit"] {
  flex: 0 0 auto;
  background: var(--brand);
  color: #fff;
  border: 0;
  border-radius: var(--radius-md);
  padding: 0.95rem 1.5rem;
  font: inherit;
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-fast);
}
.hp-optin-row button[type="submit"]:hover {
  background: var(--brand-hover);
}
.hp-optin-row button[type="submit"]:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}
/* The form's built-in reassurance line duplicates .hp-optin-trust below. */
.hp-optin-row .pg-optin-form > small {
  display: none;
}
/* Inline success/error message spans the full row width under the inputs. */
.hp-optin-row .optin-form__message {
  flex: 1 1 100%;
  margin: 0;
  font-size: var(--text-sm);
  color: var(--ink-muted);
}
.hp-optin-row .optin-form__message:empty {
  display: none;
}
.hp-optin-trust {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--ink-muted);
}
.hp-optin-proof {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--hairline);
  font-size: var(--text-sm);
  color: var(--ink-muted);
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}
.hp-optin-proof::before {
  content: "";
  width: 28px; height: 1.5px;
  background: var(--brand);
  display: inline-block;
}

/* Hero portrait */
.hp-hero-portrait {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--paper-deep);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
  max-height: 580px;
  justify-self: center;
  width: 100%;
  max-width: 460px;
  position: relative;
}
.hp-hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 22%;
  display: block;
}
.hp-hero-portrait::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(27,25,22,0.18) 100%);
  pointer-events: none;
}

/* ─── Topic grid ─────────────────────────────────────────────────── */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}
.topic-card {
  display: block;
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  position: relative;
}
.topic-card::after {
  content: "";
  position: absolute;
  left: var(--space-6);
  bottom: calc(var(--space-3) + 4px);
  width: 28px;
  height: 1.5px;
  background: var(--brand);
  transition: width var(--transition-fast);
}
.topic-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--paper-deep);
  color: var(--ink-heading);
}
.topic-card:hover::after { width: 48px; }
.topic-label {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--ink-heading);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
  text-decoration: none;
}
.topic-sub {
  font-size: var(--text-sm);
  color: var(--ink-muted);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-5);
}

/* ─── Popular lessons grid ───────────────────────────────────────── */
.hp-lesson-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8) var(--space-6);
}
.hp-lesson-card {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-fast);
}
.hp-lesson-card a {
  display: flex;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
}
.hp-lesson-card:hover { transform: translateY(-3px); }
.hp-lesson-card:hover .hp-lesson-title { color: var(--brand); }
.hp-lesson-thumb {
  /* 16:9 (was 16:10): featured images are 480x360 YouTube hqdefault (4:3 with baked-in
     black bars top/bottom = 12.5% each). object-fit:cover at 16:9 crops exactly that
     padding, removing the letterbox bars and showing the full video frame. */
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--hairline);
  box-shadow: var(--shadow-sm);
  background: linear-gradient(135deg, var(--brand-wash) 0%, var(--paper-hero) 60%, var(--paper-deep) 100%);
}
.hp-lesson-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* Fretboard placeholder for cards without featured images */
.hp-lesson-thumb.no-image::before {
  content: "";
  position: absolute;
  inset: 18% 8%;
  background: linear-gradient(to bottom,
    transparent 0, transparent calc(25% - 0.5px),
    rgba(27,25,22,0.10) calc(25% - 0.5px), rgba(27,25,22,0.10) calc(25% + 0.5px),
    transparent calc(25% + 0.5px), transparent calc(50% - 0.5px),
    rgba(27,25,22,0.08) calc(50% - 0.5px), rgba(27,25,22,0.08) calc(50% + 0.5px),
    transparent calc(50% + 0.5px), transparent calc(75% - 0.5px),
    rgba(27,25,22,0.06) calc(75% - 0.5px), rgba(27,25,22,0.06) calc(75% + 0.5px),
    transparent calc(75% + 0.5px));
}
.hp-lesson-thumb.no-image::after {
  content: "";
  position: absolute;
  right: 18%; top: 50%;
  transform: translateY(-50%);
  width: 14px; height: 14px;
  background: var(--brand);
  border-radius: 50%;
  opacity: 0.55;
}
.hp-lesson-card:nth-child(2) .hp-lesson-thumb.no-image { background: linear-gradient(135deg, var(--accent-soft) 0%, var(--paper-hero) 60%, var(--paper-deep) 100%); }
.hp-lesson-card:nth-child(3) .hp-lesson-thumb.no-image { background: linear-gradient(135deg, var(--paper-hero) 0%, var(--brand-soft) 50%, var(--paper-deep) 100%); }
.hp-lesson-card:nth-child(4) .hp-lesson-thumb.no-image { background: linear-gradient(135deg, var(--paper-deep) 0%, var(--paper-hero) 50%, var(--brand-wash) 100%); }
.hp-lesson-card:nth-child(5) .hp-lesson-thumb.no-image { background: linear-gradient(135deg, var(--brand-soft) 0%, var(--paper-hero) 50%, var(--accent-soft) 100%); }
.hp-lesson-card:nth-child(6) .hp-lesson-thumb.no-image { background: linear-gradient(135deg, var(--paper-hero) 0%, var(--paper-deep) 50%, var(--brand-wash) 100%); }

.hp-lesson-meta { padding: var(--space-5) 0 0; }
.hp-lesson-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
  color: var(--ink-heading);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
  transition: color var(--transition-fast);
}
.hp-lesson-excerpt {
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--ink-body);
}

/* ─── Want to go deeper (courses) ───────────────────────────────── */
.hp-deeper {
  background: var(--paper-tint);
}
.hp-deeper-head {
  max-width: 56ch;
  margin: 0 auto var(--space-12);
  text-align: center;
}
.hp-deeper-head h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: var(--space-5);
  letter-spacing: var(--track-tight);
}
.hp-deeper-head p {
  font-size: var(--text-lg);
  color: var(--ink-muted);
  line-height: var(--leading-normal);
}
.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}
.course-card {
  position: relative;
  display: block;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--dark);
  color: var(--on-dark);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  color: var(--on-dark);
}
.course-card .course-photo {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 600ms ease;
}
.course-card:hover .course-photo { transform: scale(1.04); }
.course-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(27,25,22,0.05) 0%, rgba(27,25,22,0.55) 60%, rgba(27,25,22,0.88) 100%);
}
.course-meta {
  position: absolute;
  left: var(--space-6);
  right: var(--space-6);
  bottom: var(--space-6);
  z-index: 1;
}
.course-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.7rem;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.35);
  color: #fff;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  margin-bottom: var(--space-4);
}
.course-pill::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--brand);
  border-radius: 50%;
}
.course-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  color: #fff;
  line-height: var(--leading-tight);
  letter-spacing: -0.015em;
  text-shadow: 0 2px 16px rgba(0,0,0,0.4);
}
.hp-deeper-cta { text-align: center; }

/* ─── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 980px) {
  .hp-hero-grid { grid-template-columns: 1fr; gap: var(--space-12); }
  .hp-hero-text h1 { max-width: none; }
  .hp-hero-portrait { max-width: 420px; }
  .topic-grid { grid-template-columns: repeat(2, 1fr); }
  .hp-lesson-grid { grid-template-columns: repeat(2, 1fr); }
  .course-grid { gap: var(--space-4); }
}
@media (max-width: 720px) {
  .hp-hero { padding-top: var(--space-12); padding-bottom: var(--space-12); }
  .hp-hero-text h1 { font-size: 2.1rem; letter-spacing: -0.018em; }
  .hp-hero-body { font-size: var(--text-md); }
  .hp-section { padding: var(--space-16) 0; }
  .topic-grid { grid-template-columns: 1fr; }
  .hp-lesson-grid { grid-template-columns: 1fr; gap: var(--space-10); }
  .course-grid { grid-template-columns: 1fr; }
  .course-card { aspect-ratio: 5 / 4; }
  .hp-optin-row .pg-optin-form { flex-direction: column; align-items: stretch; }
  .hp-optin-row input[type="email"] { flex: 1 1 100%; }
  .hp-optin-row button[type="submit"] { width: 100%; }
}