/* pillar.css — PlayGuitar v3 blog pillar page (template-pillar.php).
   Source: design/od-blog-pillar/screens/desktop.html (approved 2026-06-05).
   Loaded on .page-template-template-pillar pages. Depends on main.css. */

/* ─── Layout containers (pillar uses narrower read + chrome) ─────── */
.pillar-chrome {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}
.pillar-read {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}
.pillar-break {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

/* ─── Hero ──────────────────────────────────────────────────────── */
.pillar-hero {
  background: var(--paper);
  padding: clamp(3rem, 6vw, 5.5rem) 0 clamp(2.5rem, 5vw, 4.5rem);
  position: relative;
  overflow: hidden;
}
.pillar-hero .pillar-chrome { position: relative; }
.pillar-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.pillar-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);
}
.pillar-hero-eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand);
  display: inline-block;
}
.pillar-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: 16ch;
  line-height: var(--leading-tight);
  text-wrap: balance;
}
.pillar-hero-body {
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
  color: var(--ink-body);
  max-width: 38ch;
  margin-bottom: var(--space-8);
}

/* ─── Fretboard diagram widget ──────────────────────────────────── */
.fretboard {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--shadow-sm);
}
.fretboard-label {
  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-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.fretboard-label::before {
  content: "";
  width: 18px; height: 1.5px;
  background: var(--brand);
  display: inline-block;
}
.fretboard-row {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--paper);
}
.fret-box {
  font-family: var(--font-heading);
  font-size: clamp(0.85rem, 1.3vw, 1.05rem);
  font-weight: var(--weight-semibold);
  color: var(--ink-heading);
  text-align: center;
  padding: 0.85rem 0.2rem;
  border-right: 1px solid var(--hairline);
  position: relative;
  letter-spacing: -0.01em;
  background: var(--paper-tint);
}
.fret-box:last-child { border-right: none; }
.fret-box.is-root {
  background: var(--brand);
  color: #fff;
}
.fret-box.is-root::after {
  content: "Root";
  position: absolute;
  top: -1.45rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-strong);
  white-space: nowrap;
}
.fretboard-caption {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--ink-muted);
  font-style: italic;
  text-align: center;
}

/* ─── Author strip ──────────────────────────────────────────────── */
.pillar-author-strip {
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: var(--space-5) 0;
  background: var(--paper);
}
.pillar-author-strip .pillar-read {
  font-size: var(--text-sm);
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.pillar-author-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand);
  display: inline-block;
}

/* ─── Editorial body ────────────────────────────────────────────── */
.pillar-editorial {
  padding: clamp(3rem, 5vw, 4.5rem) 0 clamp(2rem, 3vw, 3rem);
}
.pillar-editorial .pillar-read p {
  font-size: var(--text-md);
  line-height: var(--leading-loose);
  color: var(--ink-body);
  margin-bottom: var(--space-6);
}
.pillar-editorial .pillar-read p:last-child { margin-bottom: 0; }
.pillar-editorial .pillar-read p.pillar-intro {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--ink-body);
  margin-bottom: var(--space-10);
  border-left: 2px solid var(--brand);
  padding-left: var(--space-5);
  font-family: var(--font-heading);
  font-style: italic;
  letter-spacing: -0.005em;
}
.pillar-editorial h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.65rem, 2.6vw, 2.1rem);
  letter-spacing: -0.018em;
  margin-top: var(--space-10);
  margin-bottom: var(--space-5);
  max-width: 22ch;
}
.pillar-editorial h2:first-of-type { margin-top: 0; }
/* FAQ / sub-questions in pillar content: give each question room above (to
   separate Q&A pairs) and a small gap below (so the question isn't glued to its
   answer). Without this, headings reset to no margin and the FAQ feels jammed. */
.pillar-editorial .pillar-read :is(h3, h4) {
  font-family: var(--font-heading);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

/* Content continue card (placeholder shown before full the_content) */
.pillar-continues { padding: var(--space-8) 0; }
.pillar-continues-card {
  max-width: var(--width-content, 700px);
  margin: 0 auto;
  background: var(--paper-tint);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: clamp(1.75rem, 3vw, 2.25rem);
  text-align: center;
}
.pillar-continues-card p {
  font-family: var(--font-heading);
  font-style: italic;
  color: var(--ink-muted);
  font-size: var(--text-md);
  line-height: var(--leading-normal);
  margin: 0;
}

/* ─── Inline opt-in (dark card) ─────────────────────────────────── */
.pillar-optin {
  padding: clamp(3rem, 5vw, 4.5rem) 0;
}
.pillar-optin-card {
  max-width: 860px;
  margin: 0 auto;
  background: var(--dark);
  color: var(--on-dark);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3rem);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.pillar-optin-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px 320px at 90% 0%, rgba(236,124,42,0.18) 0%, transparent 60%);
  pointer-events: none;
}
.pillar-optin-inner { position: relative; }
.pillar-optin-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(--brand);
  margin-bottom: var(--space-4);
}
.pillar-optin-card h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.018em;
  color: #fff;
  margin-bottom: var(--space-4);
  max-width: 22ch;
  line-height: var(--leading-tight);
}
.pillar-optin-card p {
  color: var(--on-dark-muted);
  font-size: var(--text-md);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-6);
  max-width: 50ch;
}
.pillar-optin-card .pg-optin-form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  max-width: 32rem;
}
.pillar-optin-card .pg-optin-form input[type="email"] {
  flex: 1 1 16rem;
  background: #fff;
  border: 1.5px solid rgba(255,255,255,0.5);
  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);
}
.pillar-optin-card .pg-optin-form input[type="email"]::placeholder { color: var(--ink-light); }
.pillar-optin-card .pg-optin-form input[type="email"]:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(230,126,34,0.25);
}
.pillar-optin-card .pg-optin-form button {
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.95rem 1.4rem;
  font: inherit;
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  transition: background var(--transition-fast);
  white-space: nowrap;
  align-self: flex-end;
}
.pillar-optin-card .pg-optin-form button:hover { background: var(--brand-hover); }
.pillar-optin-card .pg-optin-form small {
  flex: 0 0 100%;
  color: var(--on-dark-faint);
  font-size: var(--text-xs);
  margin-top: var(--space-2);
}
.pillar-optin-card .pg-optin-form h3 { display: none; }

/* ─── Course promo (sage/green card) ────────────────────────────── */
.pillar-course-promo { padding: clamp(2rem, 4vw, 3rem) 0; }
.pillar-course-card {
  max-width: 860px;
  margin: 0 auto;
  background: var(--accent-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  border: 1px solid #d8e6dc;
}
.pillar-course-photo {
  min-height: 320px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.pillar-course-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(27,25,22,0.10) 0%, rgba(27,25,22,0.35) 100%);
}
.pillar-course-body {
  padding: clamp(2rem, 3.5vw, 2.75rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.pillar-course-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(--accent);
  margin-bottom: var(--space-4);
}
.pillar-course-body h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 2.4vw, 2rem);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.018em;
  margin-bottom: var(--space-4);
  color: var(--accent-deep);
  line-height: var(--leading-tight);
}
.pillar-course-body p {
  font-size: var(--text-md);
  line-height: var(--leading-normal);
  color: var(--ink-body);
  margin-bottom: var(--space-6);
  max-width: 38ch;
}

/* ─── Related lessons (3-col) ───────────────────────────────────── */
.pillar-more { padding: clamp(3rem, 5vw, 4.5rem) 0 clamp(4rem, 6vw, 6rem); }
.pillar-more h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.65rem, 2.6vw, 2.1rem);
  letter-spacing: -0.018em;
  margin-bottom: var(--space-8);
  max-width: 22ch;
}
.pillar-lesson-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.pillar-lesson-card {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}
.pillar-lesson-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--paper-deep);
}
.pillar-lesson-card a {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}
.pillar-lesson-thumb {
  aspect-ratio: 16 / 9;
  background: var(--paper-tint);
  position: relative;
  border-bottom: 1px solid var(--hairline);
}
.pillar-lesson-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.pillar-lesson-thumb.no-image::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 12%;
  right: 12%;
  height: 1px;
  background: var(--hairline);
}
.pillar-lesson-thumb.no-image::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 4px var(--paper-tint);
}
.pillar-lesson-meta {
  padding: var(--space-5) var(--space-5) var(--space-6);
}
.pillar-lesson-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
  letter-spacing: -0.01em;
  color: var(--ink-heading);
  margin-bottom: var(--space-3);
}
.pillar-lesson-excerpt {
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--ink-muted);
}

/* ─── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 980px) {
  .pillar-hero-grid { grid-template-columns: 1fr; gap: var(--space-10); }
  .pillar-hero-text h1 { max-width: none; }
  .pillar-lesson-grid { grid-template-columns: repeat(2, 1fr); }
  .pillar-course-card { grid-template-columns: 1fr; }
  .pillar-course-photo { min-height: 240px; }
}
@media (max-width: 720px) {
  .pillar-hero { padding-top: var(--space-12); padding-bottom: var(--space-12); }
  .pillar-hero-text h1 { font-size: 2rem; letter-spacing: -0.018em; }
  .pillar-lesson-grid { grid-template-columns: 1fr; gap: var(--space-5); }
  .fret-box { font-size: 0.78rem; padding: 0.65rem 0.1rem; }
  .fret-box.is-root::after { font-size: 0.55rem; top: -1.2rem; }
  .pillar-optin-card .pg-optin-form input[type="email"] { flex: 1 1 100%; }
  .pillar-optin-card .pg-optin-form button { width: 100%; align-self: stretch; }
}