.home-page section { padding-block: 88px; }
.home-page .home-hero { display: grid; grid-template-columns: minmax(0, 1fr) 336px; align-items: center; gap: 64px; padding-block: 56px 44px; }
.home-hero-copy, .home-hero-subscribe { min-width: 0; }
.home-hero h1 { font-size: clamp(36px, 3.6vw, 52px); line-height: 1.25; }
.home-hero .lead { margin: 0; font-size: var(--fs-body); line-height: 1.8; max-width: 36ch; text-wrap: pretty; }
.home-hero-note { display: flex; align-items: center; gap: 20px; }
.home-hero-note .lead { flex: 1; min-width: 0; }
.home-hero-photo { flex: none; width: 80px; height: auto; aspect-ratio: 5 / 7; border-radius: var(--radius-control); }
.home-actions { margin-top: 20px; }
.home-actions .btn { min-height: 54px; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); padding-block: 22px; border-block: 1px solid var(--line); }
.stat { padding: 0 24px; display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 10px; }
.stat:first-child { padding-left: 0; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat b { display: block; color: var(--ink); font-size: 28px; line-height: 1.3; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -.035em; white-space: nowrap; }
.stat b em { font-size: 18px; font-style: normal; margin-left: 2px; }
.stat > span { font-size: var(--fs-meta); color: var(--muted); }
.stats-source { margin-top: 4px; color: var(--muted); font-size: var(--fs-meta); }
.stats-source summary { display: list-item; width: fit-content; min-height: 44px; padding-block: 10px; cursor: pointer; }
.stats-source[open] summary { color: var(--ink); }
.stats-source .src { margin-block: 0 12px; }
.src { font-size: var(--fs-meta); color: var(--muted); line-height: 1.8; margin-top: 16px; max-width: 105ch; }
.home-page .h2 { font-size: var(--fs-heading); margin-bottom: 20px; }
.head-row { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 34px; }
.sub { max-width: 62ch; margin-top: 16px; line-height: 1.85; }
.more { display: inline-flex; align-items: center; gap: 5px; min-height: 44px; font-size: var(--fs-small); font-weight: 600; white-space: nowrap; text-decoration: none; color: var(--ink); }
.more:hover { text-decoration: underline; }
.home-page #resources { padding-block: 40px 64px; }
#resources .h2 { margin-bottom: 12px; }
#resources .sub { margin-top: 0; }
.archive-search { max-width: 760px; margin-bottom: 36px; }
.archive-search label { display: block; margin-bottom: 10px; color: var(--ink); font-size: var(--fs-label); font-weight: 600; }
.archive-search-controls { display: flex; gap: 12px; }
.archive-search input { flex: 1; min-width: 0; min-height: 54px; padding: 12px 16px; border: 1px solid var(--line-strong); border-radius: var(--radius-control); background: var(--paper); color: var(--ink); font-size: var(--fs-input); }
.archive-search input::placeholder { color: var(--muted); opacity: 1; }
.home-archive-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.archive-preview { display: flex; flex-direction: column; min-width: 0; padding-block: 24px 8px; border-top: 1px solid var(--line-strong); text-decoration: none; }
.archive-preview .archive-preview-meta { color: var(--muted); font-size: var(--fs-meta); line-height: 1.7; }
.archive-preview h3 { margin-block: 14px 12px; font-size: 20px; line-height: 1.55; }
.archive-preview > p:not(.archive-preview-meta) { flex: 1; margin-bottom: 20px; font-size: var(--fs-label); line-height: 1.85; }
.archive-preview-read { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; color: var(--ink); font-size: var(--fs-small); font-weight: 600; }
.archive-preview:hover h3 { text-decoration: underline; text-underline-offset: 5px; }
.newsletter-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 24px; }
.home-page #free { padding-top: 76px; }
.frees { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.free { display: flex; flex-direction: column; padding: 28px; background: var(--surface); border-radius: var(--radius); text-decoration: none; }
.free:hover .free-t { text-decoration: underline; text-underline-offset: 5px; }
.free-tag { font-size: var(--fs-meta); color: var(--muted); }
.free-t { color: var(--ink); font-weight: 650; font-size: 20px; line-height: 1.55; margin-top: 16px; }
.free-p { font-size: var(--fs-label); margin-top: 16px; line-height: 1.85; }
.free-go { display: inline-flex; align-items: center; min-height: 44px; margin-top: auto; padding-top: 20px; font-size: var(--fs-small); color: var(--ink); font-weight: 600; }
.home-page #column { border-top: 1px solid var(--line); padding-top: 72px; }
.cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }
.col { display: block; text-decoration: none; padding-block: 22px 8px; border-top: 1px solid var(--line-strong); }
.col-d { color: var(--muted); font-size: var(--fs-meta); }
.col-t { color: var(--ink); font-size: var(--fs-title); line-height: 1.5; font-weight: 650; margin-top: 14px; }
.col:hover .col-t { text-decoration: underline; text-underline-offset: 5px; }
.col-p { font-size: var(--fs-label); line-height: 1.85; margin-top: 12px; }
.home-recruit { background: var(--surface); }
.home-recruit-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); align-items: center; gap: 72px; }
.home-recruit figure img { width: 100%; height: auto; aspect-ratio: 1.25; object-fit: cover; object-position: 50% 41%; border-radius: var(--radius); }
.home-recruit h2 { font-size: 34px; line-height: 1.4; margin-bottom: 24px; }
.home-recruit p { font-size: var(--fs-input); line-height: 1.9; }
.home-recruit .btn { margin-top: 28px; }
.field-heading { margin-bottom: 36px; }
.field-group + .field-group { margin-top: 56px; }
.field-group-title { margin-bottom: 24px; padding-top: 20px; border-top: 1px solid var(--line); font-size: var(--fs-lead); font-weight: 600; }
.field-gallery { display: grid; grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr); gap: 28px; align-items: start; }
.field-photo-main { grid-row: span 2; }
.field-photo { min-width: 0; }
.field-photo img { width: 100%; height: auto; aspect-ratio: 16/9; object-fit: cover; object-position: 50% 46%; border-radius: var(--radius); }
.field-photo-main img { aspect-ratio: 1.35; object-position: center; }
.lecture-gallery .field-photo img { aspect-ratio: auto; }
.lecture-gallery .field-photo-main { align-self: center; }
.field-photo figcaption { padding-top: 16px; }
.field-photo h4 { color: var(--ink); font-size: var(--fs-body); font-weight: 650; line-height: 1.55; margin: 0; }
.field-photo p { color: var(--muted); font-size: var(--fs-small); line-height: 1.8; margin-top: 5px; }
.field-links { display: flex; flex-wrap: wrap; gap: 8px 32px; margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--line); }
.home-page #youtube, .home-page #instagram, .home-page #ig2wrap { padding-block: 48px 60px; border-top: 1px solid var(--line); }
.home-page #youtube { padding-top: 36px; }
.home-proof { padding-block: 16px 40px; }
#youtube .h2, #instagram .h2, #ig2wrap .h2 { margin-bottom: 10px; }
#youtube .head-row, #instagram .head-row, #ig2wrap .head-row { margin-bottom: 26px; }
#youtube .head-row { align-items: center; flex-wrap: wrap; gap: 8px 24px; }
#youtube .h2 { margin-bottom: 0; }
.yt .shot { position: relative; }
.video-play { position: absolute; inset: 0; margin: auto; pointer-events: none; }
.media-stats::before { content: " · "; }
.yt { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px 24px; }
.ig { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.home-page .card { display: block; min-width: 0; text-decoration: none; }
.shot { display: block; overflow: hidden; border-radius: var(--radius); background: var(--surface); }
.shot img { width: 100%; height: auto; aspect-ratio: 16/9; object-fit: cover; transition: transform .25s ease; }
.ig .shot img { aspect-ratio: 9/13; object-position: 50% 20%; }
#ig2 .shot img { aspect-ratio: 4/5; object-fit: contain; }
.home-page .card:hover .shot img { transform: scale(1.025); }
.m { font-size: var(--fs-meta); color: var(--muted); margin-top: 16px; }
.t { font-size: var(--fs-body); line-height: 1.65; color: var(--ink); font-weight: 600; margin-top: 8px; }
.home-page .card:hover .t { text-decoration: underline; text-underline-offset: 5px; }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.tcard { border-top: 1px solid var(--line-strong); padding-top: 24px; }
.tcard .n { display: none; }
.tcard h3 { font-size: var(--fs-title); margin-bottom: 14px; }
.tcard p { font-size: var(--fs-input); line-height: 1.85; }
.home-page #topics { background: var(--surface); }
.home-page #view .sub { margin-bottom: 36px; }
.home-page h2 u { text-decoration-thickness: 1px; text-underline-offset: 6px; }
.era-diagram { margin-top: 40px; padding: 32px; border-radius: var(--radius); background: var(--surface); }
.era-caption { font-size: var(--fs-title); font-weight: 650; color: var(--ink); }
.era-note { color: var(--muted); font-size: var(--fs-meta); margin-top: 12px; }
.era-legend { display: flex; flex-wrap: wrap; gap: 12px 24px; font-size: var(--fs-meta); color: var(--muted); margin-top: 20px; }
.era-key { display: inline-block; width: 10px; height: 10px; border: 1px solid var(--line-strong); border-radius: 2px; margin-right: 7px; }
.era-key-given { background: var(--ink); border-color: var(--ink); }
.era { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; list-style: none; padding: 0; margin: 32px 0 0; }
.era-n, .era-w { font-size: var(--fs-meta); color: var(--muted); }
.era-head h3 { font-size: var(--fs-body); line-height: 1.5; margin-block: 8px 6px; }
.era-current { margin-left: 6px; color: var(--ink); }
.era-map { display: flex; gap: 5px; margin-block: 20px; }
.era-cell { display: block; flex: 1; height: 18px; border-radius: 3px; border: 1px solid var(--line-strong); }
.era-cell span { display: none; }
.era-cell.is-given { background: var(--ink); border-color: var(--ink); }
.era-cell.is-core { border: 2px solid var(--ink); }
.era-summary { color: var(--muted); font-size: var(--fs-meta); line-height: 1.85; }
.era-summary p + p { margin-top: 5px; }
.era-summary b { color: var(--ink); margin-right: 6px; }
.era-d { font-size: var(--fs-small); margin-top: 16px; }
.thesis { margin-top: 56px; }
.thesis-q { color: var(--ink); font-weight: 650; font-size: var(--fs-subheading); margin-bottom: 28px; }
.thesis-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 64px; }
.thesis h3 { font-size: var(--fs-title); margin-bottom: 18px; }
.thesis p { line-height: 1.9; }
.view-close { margin: 48px auto 0; padding: 32px; border-radius: var(--radius); background: var(--surface); }
.view-close p { max-width: 72ch; }
.chan { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }
.ch { display: flex; flex-direction: column; gap: 8px; padding-block: 26px; text-decoration: none; border-block: 1px solid var(--line); }
.ch i { font-size: var(--fs-meta); font-style: normal; color: var(--muted); }
.ch b { font-size: var(--fs-title); color: var(--ink); font-weight: 650; }
.ch em { font-size: var(--fs-small); color: var(--muted); font-style: normal; }
.ch:hover b { text-decoration: underline; }
.home-page .home-signup { background: var(--surface); }
.signup { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 88px; align-items: start; }
.signup h2 { font-size: 34px; }
.gets { list-style: none; padding: 0; margin: 28px 0 0; }
.gets li { margin-top: 22px; max-width: 48ch; font-size: var(--fs-input); line-height: 1.9; }
.gets b { display: block; color: var(--ink); font-weight: 600; margin-bottom: 6px; }
.form-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.form-card h3 { margin-bottom: 8px; }
.form-lead { font-size: var(--fs-label); line-height: 1.8; }
.signup-audience { margin-top: 24px; font-size: var(--fs-meta); color: var(--muted); }
.signup-modes { display: flex; gap: 8px; padding-bottom: 0; margin-block: 24px 18px; border-bottom: 1px solid var(--line); }
.signup-modes a { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; flex: 1; padding: 8px 12px; border-bottom: 2px solid transparent; color: var(--muted); font-size: var(--fs-label); text-decoration: none; }
.signup-modes a[aria-current] { color: var(--ink); border-bottom-color: var(--ink); font-weight: 650; }
.signup-modes a:hover { color: var(--ink); background: var(--surface); }
.signup-intent-note { font-size: var(--fs-small); line-height: 1.8; margin-block: 16px 24px; }
.signup-alternative { display: inline-flex; align-items: center; min-height: 44px; margin-top: 8px; color: var(--ink); font-size: var(--fs-small); text-underline-offset: 4px; }
.subscribe-preview { margin-block: 0 12px; color: var(--muted); font-size: var(--fs-meta); line-height: 1.8; }
.subscribe-preview-next { padding-top: 16px; margin-top: 20px; border-top: 1px solid var(--line); }
.subscribe-preview-next .text-link { display: flex; justify-content: space-between; font-size: var(--fs-input); }
.subscribe-preview-next > span { display: block; font-size: var(--fs-small); line-height: 1.8; color: var(--muted); margin-top: 4px; }
.form > label:first-child { display: block; font-size: var(--fs-label); color: var(--ink); font-weight: 600; margin-bottom: 8px; }
.form input[type=email] { width: 100%; min-height: 52px; border: 1px solid var(--line-strong); border-radius: var(--radius-control); background: var(--paper); color: var(--ink); padding: 12px 14px; font-size: var(--fs-input); }
.form input::placeholder { color: var(--muted); opacity: 1; }
.form input[aria-invalid=true] { border-color: var(--error); background: var(--error-surface); }
.marketing-consent { display: flex; gap: 10px; align-items: start; margin-block: 20px; font-size: var(--fs-small); line-height: 1.8; cursor: pointer; }
.marketing-consent input { accent-color: var(--ink); width: 18px; height: 18px; flex: 0 0 18px; margin-top: 4px; }
.form .btn { width: 100%; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.msg { font-size: var(--fs-small); line-height: 1.8; margin-top: 16px; }
.msg:empty { display: none; }
.msg.err { color: var(--error); }
.form-card .fine { font-size: var(--fs-meta); color: var(--muted); margin-top: 20px; }
@media (max-width: 1060px) {
  .home-page .home-hero { grid-template-columns: minmax(0, 1fr) 288px; gap: 40px; }
  .home-recruit-grid { gap: 40px; }
  .home-recruit h2, .signup h2 { font-size: 30px; }
  .signup { gap: 44px; }
  .frees { gap: 16px; }
  .free { padding: 24px; }
  .era { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 36px; }
  .yt { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ig { gap: 24px 16px; }
}
@media (max-width: 760px) {
  .home-page section { padding-block: 56px; }
  .home-page .home-hero { grid-template-columns: minmax(0, 1fr); gap: 20px; padding-block: 32px 28px; }
  .home-hero h1 { font-size: clamp(30px, 8.2vw, 36px); line-height: 1.32; letter-spacing: -.035em; }
  .home-hero .lead { font-size: var(--fs-input); line-height: 1.75; }
  .home-hero-photo { width: 72px; }
  .home-actions { margin-top: 24px; }
  .home-actions .btn { width: 100%; padding: 14px 16px; gap: 12px; font-size: 16px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 24px; padding-block: 22px; }
  .stat, .stat:first-child { padding: 0; }
  .stat + .stat { border: 0; }
  .stat { display: block; }
  .stat b { font-size: 24px; }
  .stat > span { font-size: var(--fs-meta); }
  .src { font-size: var(--fs-meta); }
  .src a { display: inline-block; min-height: 28px; }
  .head-row { display: block; margin-bottom: 26px; }
  .head-row .more { margin-top: 14px; }
  #youtube .head-row { display: flex; }
  #youtube .head-row .more { margin-top: 0; }
  .home-page #resources { padding-block: 32px 48px; }
  .archive-search { margin-bottom: 28px; }
  .archive-search-controls { gap: 8px; }
  .archive-search-controls .btn { padding-inline: 14px; flex-shrink: 0; }
  .home-archive-list { grid-template-columns: 1fr; gap: 16px; }
  .archive-preview { padding-block: 22px 8px; }
  .archive-preview > p:not(.archive-preview-meta) { font-size: var(--fs-input); margin-bottom: 12px; }
  .newsletter-actions { justify-content: flex-start; margin-top: 14px; }
  .newsletter-actions .more { margin-top: 0; }
  .home-page #free { padding-top: 56px; }
  .frees, .cols, .home-recruit-grid, .signup { grid-template-columns: 1fr; gap: 20px; }
  .free { padding: 26px; }
  .free-t { font-size: var(--fs-lead); }
  .free-p { font-size: var(--fs-input); }
  .home-page #column { padding-top: 56px; }
  .col { padding-bottom: 16px; }
  .col-t { font-size: var(--fs-title); }
  .col-p { font-size: var(--fs-input); }
  .home-recruit-grid { gap: 30px; }
  .home-recruit h2, .signup h2 { font-size: var(--fs-heading); }
  .home-recruit figure img { aspect-ratio: 1.5; }
  .field-gallery { grid-template-columns: 1fr; gap: 30px; }
  .field-photo-main { grid-row: auto; }
  .field-photo img, .field-photo-main img { aspect-ratio: 1.5; }
  .field-photo h4 { font-size: var(--fs-lead); }
  .field-photo p { font-size: var(--fs-input); }
  .home-page #youtube, .home-page #instagram, .home-page #ig2wrap { padding-block: 32px 40px; }
  .home-page #youtube { padding-top: 28px; }
  #youtube .head-row, #instagram .head-row, #ig2wrap .head-row { margin-bottom: 22px; }
  #youtube .h2, #instagram .h2, #ig2wrap .h2 { font-size: 26px; line-height: 1.4; }
  #youtube .sub, #instagram .sub, #ig2wrap .sub { font-size: 16px; line-height: 1.75; }
  #youtube .head-row .more, #instagram .head-row .more, #ig2wrap .head-row .more { margin-top: 8px; }
  .home-proof { padding-block: 12px 24px; }
  .yt { grid-template-columns: 1fr; gap: 24px; }
  .yt .shot { border-radius: 8px; }
  .ig .m { font-size: 13px; line-height: 1.7; margin-top: 12px; }
  .ig .t { font-size: 16px; line-height: 1.65; margin-top: 6px; }
  .home-signup .gets li { margin-top: 18px; line-height: 1.8; }
  .home-signup .gets b { font-size: 18px; }
  .home-signup .signup-audience { margin-top: 16px; }
  .form-card h3 { font-size: 22px; }
  .form-lead, .signup-intent-note { font-size: 16px; line-height: 1.75; }
  .form-card .fine { font-size: 14px; line-height: 1.85; }
  .marketing-consent { line-height: 1.8; }
  .form .btn { font-size: 16px; }

  .ig { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 16px; }
  .m span { display: block; }
  .media-stats::before { content: none; }
  .t { font-size: var(--fs-input); }
  .grid3 { grid-template-columns: 1fr; gap: 28px; }
  .era-diagram { padding: 24px; }
  .era { grid-template-columns: 1fr; gap: 28px; }
  .era-step + .era-step { padding-top: 24px; border-top: 1px solid var(--line); }
  .era-head h3 { font-size: var(--fs-lead); }
  .era-d { font-size: var(--fs-input); }
  .thesis-two { grid-template-columns: 1fr; gap: 32px; }
  .thesis-q { font-size: var(--fs-title); }
  .view-close { padding: 24px; }
  .chan { grid-template-columns: 1fr; gap: 0; }
  .ch + .ch { border-top: 0; }
  .signup { gap: 30px; }
  .form-card { padding: 26px 22px; }
  .marketing-consent { font-size: var(--fs-label); }
}
@media (max-width: 380px) {
  .home-actions .btn { gap: 8px; padding-inline: 12px; }
  .ig { gap: 28px 14px; }
}