/* Homepage art direction; shared document and evidence layouts stay in styles.css. */
.notice { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 4px 24px; }
.notice a { padding-block: 4px; }
.nav { min-height: 88px; }
.hero { grid-template-columns: 1fr 1.05fr; gap: 56px; padding-block: 32px 48px; }
.hero-copy { display: flex; flex-direction: column; justify-content: center; padding-block: 40px; }
.hero h1 { font-size: clamp(4rem, 7.4vw, 7.25rem); }
.hero h1 em { color: #596f40; }
.hero-copy > p:not(.small-label) { max-width: 38ch; font-size: 1.0625rem; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; }
.hero-actions .text-link { margin-top: 0; }
.button { border-radius: 2px; }
.hero-photo { min-height: 610px; border-radius: 180px 4px 4px 4px; background: var(--forest); }
.hero-photo::after { content: ''; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, #10291ee6); pointer-events: none; }
.hero-photo img { object-position: 58% center; }
.hero-photo figcaption { background: none; left: 32px; bottom: 32px; padding: 0; z-index: 1; font-family: Instrument, Georgia, serif; font-size: 2.75rem; line-height: 1.05; }
.hero-photo figcaption span { display: block; font: .75rem/1.5 DM, sans-serif; letter-spacing: .14em; margin-bottom: 16px; }
.chapter-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-block: 1px solid var(--line); }
.chapter-strip a { position: relative; min-height: 112px; padding: 24px 32px; text-decoration: none; font-size: 1.0625rem; }
.chapter-strip a:first-child { padding-left: 0; }
.chapter-strip a + a { border-left: 1px solid var(--line); }
.chapter-strip a > span:first-child { display: block; font-size: .6875rem; letter-spacing: .12em; color: var(--muted); margin-bottom: 8px; }
.chapter-strip a > span:last-child { margin-left: 16px; }
.chapter-strip a:hover { background: var(--surface); }
.intro { border-top: 0; padding-block: 80px; }
.collection { background: #eeeee4; padding-block: 88px; }
.section-heading h2 { font-size: clamp(2.75rem, 4.2vw, 4rem); }
.collection-search { display: flex; align-items: center; gap: 24px; justify-content: space-between; margin-top: 40px; padding-top: 32px; border-top: 1px solid #bec6b6; }
.collection-search label { font-family: Instrument, Georgia, serif; font-size: 1.75rem; }
.collection-search input { width: min(100%, 410px); min-height: 52px; border: 1px solid #89957e; border-radius: 2px; background: var(--white); padding: 12px 16px; }
.collection-search input::placeholder { color: var(--muted); opacity: 1; }
.filters { margin-block: 24px 20px; }
.filter { font-size: .875rem; padding-inline: 20px; }
.product-grid { gap: 48px 24px; }
.product-art { display: grid; grid-template-columns: 1fr; aspect-ratio: auto; border-radius: 3px; background: #dce3d0; }
.tone-sand { background: #e8ddca; }
.tone-peach { background: #efdace; }
.tone-lilac { background: #dfddeb; }
.tone-blue { background: #d8e4e4; }
.tone-lime { background: #e2e7c8; }
.concept-art-label { padding: 24px 24px 0; display: flex; flex-direction: column; gap: 6px; }
.concept-art-label span:first-child { font-family: Instrument, Georgia, serif; font-size: 1.5rem; letter-spacing: -.04em; }
.concept-art-label span:nth-child(2) { font-family: Instrument, Georgia, serif; font-size: 2.75rem; line-height: 1.1; overflow-wrap: anywhere; }
.concept-art-label span:last-child { font-size: .75rem; color: #41503f; }
.product-art img { height: auto; aspect-ratio: 1.8; margin-block: 12px 40px; object-fit: cover; mix-blend-mode: multiply; }
.art-overlay { bottom: 16px; left: 24px; padding: 0; background: transparent; font-size: .6875rem; letter-spacing: .07em; text-transform: uppercase; }
.product-meta { font-size: .75rem; margin-top: 20px; }
.product-card h3 { margin-bottom: 8px; }
.product-card > p { color: var(--muted); font-size: .9375rem; }
.product-card button { display: flex; align-items: center; justify-content: space-between; width: 100%; font-size: .875rem; }
.empty p { margin-bottom: 20px; }
.science { gap: 80px; }
.study-preview { border-radius: 3px; border: 1px solid #c4cdb7; box-shadow: 12px 12px 0 #e3e6d8; }
.pen-section { background: #e8e5d9; }
.pen-layout img { border-radius: 3px 3px 120px 3px; }
.availability { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding-block: 72px; margin-top: 80px; border-block: 1px solid var(--line); }
.availability h2 { font-size: 3.5rem; }
.availability > div > p:not(.small-label) { color: var(--muted); max-width: 48ch; }
.checkout-disabled { margin-top: 24px; background: #e0e4d6; border: 1px solid #b8c2ac; color: #52604c; cursor: not-allowed; opacity: 1; }
.checkout-disabled:hover { background: #e0e4d6; }
.dialog-availability { padding: 24px; margin-top: 24px; background: #e9ecdf; border: 1px solid var(--line); }
.dialog-availability h3 { margin-top: 0; }
.dialog-availability .button { width: 100%; }
@media (max-width: 1100px) {
  .hero { gap: 32px; }
  .hero-photo { min-height: 580px; }
  .hero h1 { font-size: 5rem; }
  .chapter-strip a { padding-inline: 20px; }
  .chapter-strip a > span:last-child { margin-left: 4px; }
  .availability, .science { gap: 40px; }
  .concept-art-label { padding-inline: 16px; }
  .art-overlay { left: 16px; font-size: .625rem; }
}
@media (max-width: 720px) {
  .notice { padding-block: 8px; font-size: .75rem; }
  .nav { min-height: 80px; }
  .hero { grid-template-columns: 1fr; gap: 32px; padding-block: 40px 32px; }
  .hero-copy { padding: 0; }
  .hero h1 { font-size: clamp(3.5rem, 14vw, 5.75rem); }
  .hero-copy > p:not(.small-label) { margin-block: 24px; }
  .hero-photo { min-height: 0; height: 440px; border-top-left-radius: 110px; }
  .hero-photo figcaption { font-size: 2.5rem; left: 24px; bottom: 24px; }
  .chapter-strip { grid-template-columns: 1fr; }
  .chapter-strip a, .chapter-strip a:first-child { min-height: 88px; padding: 16px 0; }
  .chapter-strip a + a { border-left: 0; border-top: 1px solid var(--line); }
  .chapter-strip a > span:last-child { float: right; }
  .intro { padding-block: 56px; }
  .collection { padding-block: 56px; }
  .collection-search { display: block; margin-top: 32px; padding-top: 24px; }
  .collection-search label { display: block; margin-bottom: 12px; }
  .collection-search input { width: 100%; }
  .filters { gap: 8px; }
  .filter { padding-inline: 14px; }
  .product-grid { gap: 32px 16px; }
  .concept-art-label span:nth-child(2) { font-size: 2.25rem; }
  .product-art img { aspect-ratio: 1.4; }
  .science { gap: 40px; }
  .study-preview { box-shadow: 6px 6px 0 #e3e6d8; }
  .availability { grid-template-columns: 1fr; gap: 24px; margin-top: 48px; padding-block: 48px; }
  .availability h2 { font-size: 3rem; }
  .dialog-availability { padding: 20px; }
}
@media (max-width: 380px) {
  .hero-photo { height: 360px; }
}
@media (max-width: 520px) {
  .product-grid { grid-template-columns: 1fr; }
  .product-meta { display: flex; }
  .concept-art-label { padding: 24px 24px 0; }
  .art-overlay { left: 24px; font-size: .6875rem; }
  .product-art img { aspect-ratio: 1.8; }
}