/* archive.css — PlayGuitar v3 blog archive / category / tag index.
   Source: design/od-blog-archive/screens/desktop.html (approved 2026-06-08).
   Loaded on archive, category, tag, and author pages. Depends on main.css. */

/* ─── Archive hero head ──────────────────────────────────────────── */
.archive-head {
  background: var(--paper);
  padding: clamp(3rem, 6vw, 5.5rem) 0 clamp(2.5rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--hairline);
  position: relative;
  overflow: hidden;
}
.archive-head::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(800px 500px at 95% 0%, var(--brand-wash) 0%, transparent 60%),
    radial-gradient(600px 400px at 0% 100%, var(--accent-soft) 0%, transparent 65%);
  opacity: 0.55;
  pointer-events: none;
}
.archive-head .archive-inner {
  position: relative;
  text-align: center;
}
.archive-eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: 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);
}
.archive-eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand);
  display: inline-block;
}
.archive-head h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 4.4vw, 3.5rem);
  letter-spacing: -0.022em;
  margin: 0 auto var(--space-5);
  max-width: 22ch;
  font-weight: var(--weight-semibold);
}
.archive-head .archive-lede {
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
  color: var(--ink-body);
  max-width: 56ch;
  margin: 0 auto;
}

/* Shared inner wrapper */
.archive-inner {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

/* ─── Inline opt-in card ─────────────────────────────────────────── */
.archive-optin-wrap {
  padding: clamp(2.5rem, 4vw, 3.5rem) 0 clamp(1.5rem, 3vw, 2.5rem);
}
.archive-optin-card {
  background: var(--dark);
  color: var(--on-dark);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3vw, 2.5rem) clamp(1.75rem, 3vw, 3rem);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.archive-optin-card::before {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 320px; height: 320px;
  background: radial-gradient(circle at top right, rgba(236,124,42,0.18) 0%, transparent 60%);
  pointer-events: none;
}
.archive-optin-text { position: relative; }
.archive-optin-text h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.4vw, 1.875rem);
  font-weight: var(--weight-semibold);
  color: #fff;
  letter-spacing: -0.018em;
  margin-bottom: var(--space-3);
  max-width: 18ch;
  line-height: var(--leading-tight);
}
.archive-optin-text p {
  color: var(--on-dark-muted);
  font-size: var(--text-md);
  line-height: var(--leading-normal);
  max-width: 36ch;
}
.archive-optin-form { position: relative; }

/* Form inside the dark card */
.archive-optin-card .pg-optin-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 26rem;
}
.archive-optin-card .pg-optin-form input[type="email"] {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-md);
  padding: 0.95rem 1rem;
  font: inherit;
  font-size: var(--text-base);
  color: #fff;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.archive-optin-card .pg-optin-form input[type="email"]::placeholder { color: var(--on-dark-faint); }
.archive-optin-card .pg-optin-form input[type="email"]:focus {
  outline: none;
  border-color: var(--brand);
  background: rgba(255,255,255,0.10);
}
.archive-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;
}
.archive-optin-card .pg-optin-form button:hover { background: var(--brand-hover); }
.archive-optin-card .pg-optin-form small {
  display: block;
  color: var(--on-dark-faint);
  font-size: var(--text-xs);
  margin-top: var(--space-2);
  text-align: center;
}
.archive-optin-card .pg-optin-form h3 { display: none; } /* headline suppressed in-card */

/* ─── Lesson grid ────────────────────────────────────────────────── */
.archive-lessons {
  padding: clamp(1.5rem, 3vw, 2.5rem) 0 clamp(3.5rem, 6vw, 5.5rem);
}
.ar-lesson-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 3rem) clamp(1.5rem, 3vw, 2.25rem);
}
.ar-lesson-card {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-fast);
}
.ar-lesson-card a {
  display: flex;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
}
.ar-lesson-card:hover { transform: translateY(-3px); }
.ar-lesson-card:hover .ar-lesson-title { color: var(--brand); }

.ar-lesson-thumb {
  aspect-ratio: 16 / 10;
  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%);
}
.ar-lesson-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.ar-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));
}
.ar-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;
}
/* Alternate gradient colours per position */
.ar-lesson-card:nth-child(3n+2) .ar-lesson-thumb.no-image { background: linear-gradient(135deg, var(--accent-soft) 0%, var(--paper-hero) 60%, var(--paper-deep) 100%); }
.ar-lesson-card:nth-child(3n+2) .ar-lesson-thumb.no-image::after { background: var(--accent); opacity: 0.6; }
.ar-lesson-card:nth-child(3n+3) .ar-lesson-thumb.no-image { background: linear-gradient(135deg, var(--paper-hero) 0%, var(--brand-soft) 50%, var(--paper-deep) 100%); }

.ar-lesson-meta { padding: var(--space-5) 0 0; }
.ar-lesson-kicker {
  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-3);
}
.ar-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);
}
.ar-lesson-excerpt {
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--ink-body);
}

/* ─── Pagination ─────────────────────────────────────────────────── */
.archive-pagination { padding: 0 0 clamp(3.5rem, 6vw, 5.5rem); }
.archive-pagination .nav-links {
  border-top: 1px solid var(--hairline);
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.archive-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-body);
  font-weight: var(--weight-semibold);
  font-size: var(--text-base);
  color: var(--ink-heading);
  padding: 0.85rem 1.2rem;
  border: 1.5px solid var(--ink-heading);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.archive-pagination .page-numbers:hover { background: var(--ink-heading); color: #fff; }
.archive-pagination .page-numbers.current {
  background: var(--ink-heading);
  color: #fff;
  cursor: default;
}
.archive-pagination .page-numbers.dots {
  border-color: transparent;
  background: none;
  font-family: var(--font-heading);
  font-style: italic;
  color: var(--ink-muted);
  font-size: var(--text-md);
  padding: 0;
}
.archive-pagination .prev, .archive-pagination .next {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

/* ─── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 980px) {
  .ar-lesson-grid { grid-template-columns: repeat(2, 1fr); }
  .archive-optin-card { grid-template-columns: 1fr; gap: var(--space-6); }
}
@media (max-width: 720px) {
  .archive-head h1 { font-size: 2.1rem; letter-spacing: -0.018em; }
  .archive-head .archive-lede { font-size: var(--text-md); }
  .ar-lesson-grid { grid-template-columns: 1fr; gap: var(--space-10); }
  .archive-pagination .nav-links { flex-direction: column; align-items: stretch; }
  .archive-pagination .page-numbers { justify-content: center; }
}