/* Screen and A4 layouts share the same catalog content. */
.catalog-page { background: #edf3f7; }
.catalog-heading { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 30px; margin-bottom: 32px; }
.catalog-heading h1 { max-width: 760px; font-size: clamp(2rem, 4vw, 3.15rem); }
.catalog-heading .lead { max-width: 680px; margin-bottom: 0; }
.catalog-toolbar { display: flex; flex-direction: column; gap: 12px; }
.catalog-index { display: flex; flex-wrap: wrap; gap: 8px; padding: 20px 0 34px; }
.catalog-index a { padding: 8px 14px; border: 1px solid #d2e1ea; border-radius: 30px; background: #fff; font-size: .85rem; font-weight: 650; }
.catalog-index a:hover { background: #e1f5fa; }
.catalog-book { max-width: 920px; margin: 0 auto; display: grid; gap: 32px; }
.catalog-sheet { background: #fff; border: 1px solid #dce6ee; border-radius: 14px; padding: clamp(24px, 5vw, 58px); box-shadow: 0 12px 40px #163a5410; scroll-margin-top: 96px; }
.catalog-running { display: flex; justify-content: space-between; gap: 12px; font-size: .7rem; font-weight: 750; letter-spacing: .08em; color: #537088; border-bottom: 1px solid #dce6ee; padding-bottom: 16px; margin-bottom: 32px; }
.catalog-running > span:last-child { color: #087084; }
.catalog-sheet > h2 { font-size: clamp(1.8rem, 3.3vw, 2.65rem); line-height: 1.14; max-width: 740px; }
.catalog-intro { color: #45586c; font-size: 1.03rem; line-height: 1.7; margin: 20px 0 26px; }
.catalog-figure { margin: 0 0 28px; }
.catalog-figure img { width: 100%; height: auto; border-radius: 9px; border: 1px solid #dce6ee; }
.catalog-figure figcaption { font-size: .74rem; color: #5a7286; margin-top: 8px; }
.catalog-details { display: grid; grid-template-columns: 1.15fr 1fr; gap: 28px; margin: 24px 0; }
.catalog-details h3 { font-size: 1.1rem; }
.catalog-details ul { padding-left: 19px; color: #45586c; }
.catalog-details li { padding: 3px 0; font-size: .94rem; }
.catalog-details li::marker { color: #0998ac; }
.catalog-details p { font-size: .94rem; color: #45586c; }
.catalog-example { background: #edf7fa; border-left: 3px solid #0fb1c4; padding: 22px; border-radius: 0 10px 10px 0; }
.catalog-example > span { font-size: .65rem; letter-spacing: .1em; color: #147b91; font-weight: 800; }
.catalog-example p { margin: 10px 0 0; color: #365165; font-size: .94rem; }
.catalog-folio { display: flex; justify-content: space-between; gap: 14px; padding-top: 18px; border-top: 1px solid #dce6ee; margin-top: 36px; color: #526d83; font-size: .7rem; }
.catalog-three { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.catalog-three b { font-size: .92rem; color: #11537f; }
.catalog-three p { font-size: .88rem; margin-top: 8px; color: #45586c; }
.catalog-note { font-size: .78rem; line-height: 1.6; color: #607080; margin: 22px 0 0; }
.catalog-module-list { display: grid; gap: 0; margin: 30px 0; }
.catalog-module-list section { display: flex; gap: 22px; padding: 22px 0; border-bottom: 1px solid #e3ecf3; }
.catalog-module-list section > span { font-size: 1.5rem; color: #087084; font-weight: 800; }
.catalog-module-list h3 { font-size: 1.2rem; }
.catalog-module-list p { margin: 0; color: #45586c; font-size: .96rem; }
.catalog-plan { border: 1px solid #dce6ee; border-radius: 12px; padding: 24px; margin-top: 18px; }
.catalog-plan > span { font-size: .7rem; color: #096a7c; letter-spacing: .08em; font-weight: 800; }
.catalog-plan h3 { margin: 10px 0; font-size: 1.3rem; }
.catalog-plan p { font-size: .98rem; color: #45586c; margin: 0; }
.catalog-plan-featured { background: #eff9fc; border-color: #7fd6e0; }
.catalog-text-link { display: block; margin-top: 28px; font-weight: 700; font-size: .9rem; overflow-wrap: anywhere; }
.catalog-contact-primary { padding: 32px; border-radius: 14px; background: var(--grad-brand-deep); color: #fff; margin: 30px 0; }
.catalog-contact-primary > span { display: block; font-size: .7rem; font-weight: 750; letter-spacing: .1em; }
.catalog-contact-primary > a { display: block; font-size: clamp(1rem, 2.7vw, 1.7rem); color: #fff; font-weight: 750; margin: 12px 0; overflow-wrap: anywhere; }
.catalog-contact-primary p { font-size: .95rem; margin-bottom: 0; }
.catalog-contact { display: grid; gap: 8px; font-style: normal; margin: 36px 0; padding: 24px 0; border-top: 1px solid #dce6ee; }
.catalog-contact a { font-size: 1.1rem; font-weight: 750; overflow-wrap: anywhere; }
.catalog-contact span { color: #607080; }
.catalog-sheet-cover { padding: 0; overflow: hidden; }
.catalog-sheet-cover .catalog-cover-design { min-height: 1000px; }
@media (max-width: 760px) {
    .catalog-index { position: sticky; top: var(--header-h); z-index: 20; flex-wrap: nowrap; overflow-x: auto; padding: 10px 0; margin-bottom: 24px; background: #edf3f7; }
    .catalog-index a { flex: none; white-space: nowrap; }
    .catalog-sheet { scroll-margin-top: calc(var(--header-h) + 80px); }
    .catalog-heading { grid-template-columns: minmax(0, 1fr); }
    .catalog-toolbar { flex-direction: row; flex-wrap: wrap; }
    .catalog-toolbar .btn { white-space: normal; }
    .catalog-details, .catalog-three { grid-template-columns: minmax(0, 1fr); gap: 18px; }
    .catalog-running { margin-bottom: 24px; font-size: .61rem; }
    .catalog-folio { flex-wrap: wrap; }
    .catalog-contact-primary { padding: 22px; }
    .catalog-sheet-cover .catalog-cover-design { min-height: 0; }
    .catalog-sheet-cover .catalog-cover-brand { flex-wrap: wrap; }
}
@page { size: A4; margin: 0; }
@media print {
    html, body { margin: 0; padding: 0; background: #fff; font-size: 10pt; color-adjust: exact; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .site-header, .site-footer, .skip-link, .back-to-top, .catalog-heading, .catalog-index { display: none !important; }
    .catalog-page { padding: 0 !important; background: #fff; }
    .catalog-page > .container { width: 210mm; max-width: none; padding: 0; }
    .catalog-book { display: block; max-width: none; }
    .catalog-sheet { width: 210mm; height: 297mm; border: 0; border-radius: 0; box-shadow: none; padding: 15mm 16mm; margin: 0; break-after: page; display: flex; flex-direction: column; overflow: visible; }
    .catalog-sheet:last-child { break-after: auto; }
    .catalog-sheet > * { flex-shrink: 0; }
    .catalog-running { font-size: 7pt; padding-bottom: 4mm; margin-bottom: 8mm; }
    .catalog-sheet .eyebrow { font-size: 8pt; margin-bottom: 3mm; }
    .catalog-sheet > h2 { font-size: 27pt; line-height: 1.14; margin-bottom: 3mm; }
    .catalog-intro { font-size: 10.5pt; margin: 4mm 0 6mm; line-height: 1.6; }
    .catalog-figure { margin: 0 0 6mm; }
    .catalog-figure img { max-height: 100mm; object-fit: contain; }
    .catalog-figure figcaption { font-size: 7.5pt; }
    .catalog-details { display: grid; grid-template-columns: 1.15fr 1fr; margin: 3mm 0; gap: 7mm; }
    .catalog-details h3 { font-size: 11pt; }
    .catalog-details p, .catalog-details li, .catalog-example p { font-size: 9.5pt; }
    .catalog-example { padding: 5mm; }
    .catalog-example > span { font-size: 7pt; }
    .catalog-folio { margin-top: auto; padding-top: 4mm; font-size: 7pt; }
    .catalog-three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6mm; }
    .catalog-three b { font-size: 10pt; }
    .catalog-three p { font-size: 9pt; }
    .catalog-note { font-size: 8pt; margin-top: 5mm; }
    .catalog-module-list { margin: 4mm 0 6mm; }
    .catalog-module-list section { padding: 6mm 0; }
    .catalog-module-list h3 { font-size: 13pt; }
    .catalog-module-list p { font-size: 10pt; }
    .catalog-plan { padding: 6mm; margin-top: 5mm; }
    .catalog-plan h3 { font-size: 15pt; }
    .catalog-plan p { font-size: 10.5pt; }
    .catalog-text-link { font-size: 9pt; }
    .catalog-contact-primary { margin: 8mm 0; padding: 8mm; }
    .catalog-contact-primary > a { font-size: 18pt; }
    .catalog-contact-primary p { font-size: 10pt; }
    .catalog-contact { margin: 8mm 0; }
    .catalog-contact a { font-size: 13pt; }
    .catalog-sheet-cover { padding: 0; }
    .catalog-sheet-cover .catalog-cover-design { min-height: 0; height: 297mm; padding: 16mm; }
    .catalog-cover-design h2 { font-size: 42pt; }
    .catalog-cover-design .catalog-cover-copy p { font-size: 13pt; }
    .catalog-cover-copy { padding-top: 18mm; }
    .catalog-cover-screen { margin-top: 14mm; }
    .catalog-cover-bottom { margin-top: auto; }
}