/* Material choices and traceable system evidence in PulsenTak's architectural language. */
.system-selection { padding-top: 0; }
.system-selection-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; }
.system-card { display: flex; min-width: 0; flex-direction: column; background: var(--surface); border: 1px solid var(--line); }
.system-card figure { position: relative; overflow: hidden; background: #e8ebe1; }
.system-card figure img { width: 100%; aspect-ratio: 1.5; object-fit: cover; }
.system-card figcaption { position: absolute; inset: auto 0 0; padding: 8px 13px; background: #f5f4eee8; color: #4d5948; font-size: 10px; }
.system-card-body { display: flex; flex: 1; min-width: 0; flex-direction: column; align-items: flex-start; padding: 26px; }
.system-index { margin-bottom: 19px; color: #627154; font-size: 10px; letter-spacing: .11em; line-height: 1.7; }
.system-card h3 { min-height: 2.4em; margin-bottom: 25px; font-size: clamp(24px,2.5vw,33px); letter-spacing: -.035em; line-height: 1.2; overflow-wrap: anywhere; }
.system-card dl { width: 100%; margin: 0; }
.system-card dl > div { padding: 15px 0; border-top: 1px solid var(--line); }
.system-card dt { margin-bottom: 6px; color: #536348; font-size: 11px; font-weight: 500; letter-spacing: .035em; }
.system-card dd { margin: 0; color: #555e50; font-size: 14px; line-height: 1.65; }
.system-card .text-link { width: 100%; justify-content: space-between; margin-top: auto; padding-top: 22px; font-size: 13px; }
.system-scope { max-width: 90ch; margin-top: 18px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.system-next { display: flex; align-items: center; justify-content: space-between; gap: 18px 42px; margin-top: 32px; padding-top: 23px; border-top: 1px solid var(--line); }
.system-next p { max-width: 49ch; margin: 0; font-size: 15px; color: var(--muted); }
.system-next .text-link { flex-shrink: 0; }
.roof-principle { padding-top: 76px; }
.roof-principle-layout { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(0,1fr); align-items: center; gap: 50px; }
.roof-principle-figure { min-width: 0; padding: 26px 18px 20px; background: #e9ece2; border: 1px solid #d7ddcf; }
.roof-principle-svg { display: block; width: 100%; height: auto; }
.roof-principle-figure figcaption { max-width: 67ch; padding: 6px 12px 0; color: #637057; font-size: 11px; line-height: 1.65; }
.roof-principle-notes { border-bottom: 1px solid #bcc7b1; }
.roof-principle-note { border-top: 1px solid #bcc7b1; }
.roof-principle-note summary { display: flex; min-height: 82px; align-items: center; gap: 16px; list-style: none; padding: 21px 0; }
.roof-principle-note summary::-webkit-details-marker { display: none; }
.roof-principle-note summary > span:first-child { flex: 0 0 27px; align-self: flex-start; padding-top: 5px; color: #647659; font-size: 11px; }
.roof-principle-note h3 { margin: 0; font-size: 21px; line-height: 1.35; letter-spacing: -.025em; }
.roof-principle-plus { flex: 0 0 22px; margin-left: auto; font-size: 22px; text-align: right; color: #637958; }
.roof-principle-note[open] .roof-principle-plus { transform: rotate(45deg); }
.roof-principle-note > p { margin: 0; padding: 0 26px 24px 43px; color: #586550; font-size: 15px; line-height: 1.75; }
.roof-part { transition: opacity 220ms ease; }
.roof-principle-layout:has([data-principle-topic="active"][open]) [data-principle-part="underlay"],
.roof-principle-layout:has([data-principle-topic="active"][open]) .roof-part-base { opacity: .52; }
.roof-principle-layout:has([data-principle-topic="underlay"][open]) [data-principle-part="active"],
.roof-principle-layout:has([data-principle-topic="underlay"][open]) [data-principle-part="passive"],
.roof-principle-layout:has([data-principle-topic="underlay"][open]) [data-principle-part="connections"] { opacity: .45; }
.roof-principle-layout:has([data-principle-topic="passive"][open]) [data-principle-part="active"] { opacity: .48; }
.roof-principle-layout:has([data-principle-topic="connections"][open]) [data-principle-part="active"] { opacity: .48; }
.roof-principle-next { display: flex; align-items: center; justify-content: space-between; gap: 22px 45px; padding-top: 30px; margin-top: 35px; border-top: 1px solid var(--line); }
.roof-principle-next p { max-width: 43ch; margin: 0; font-size: 16px; color: var(--muted); }
.trust-evidence { padding-top: 0; }
.trust-evidence-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px; }
.trust-evidence-card { min-width: 0; border: 1px solid var(--line); background: var(--surface); }
.trust-evidence-card figure { border-bottom: 1px solid var(--line); background: #fff; padding: 10px; }
.trust-evidence-card figure img { width: 100%; aspect-ratio: 1.7; object-fit: contain; }
.trust-evidence-card > div { padding: 30px; }
.trust-document-type { display: block; margin-bottom: 16px; color: #607151; font-size: 10px; letter-spacing: .12em; }
.trust-evidence-card h3 { margin-bottom: 18px; font-size: 29px; }
.trust-evidence-card p { max-width: 48ch; color: var(--muted); font-size: 16px; }
.trust-evidence-card .text-link { display: flex; justify-content: space-between; width: fit-content; max-width: 100%; }
.trust-document-link { display: inline-flex; align-items: center; min-height: 44px; color: #5d6b52; font-size: 12px; }
.trust-source-note { max-width: 91ch; margin-top: 22px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.trust-checklist { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: 75px; }
.trust-checklist > div:first-child .lead { max-width: 34ch; color: var(--muted); }
.trust-checklist-items { display: grid; gap: 25px; }
.trust-checklist-items article { display: flex; align-items: flex-start; gap: 23px; padding-top: 22px; border-top: 1px solid #bac7ac; }
.trust-checklist-items article > span { padding-top: 4px; color: #65775a; font-size: 11px; }
.trust-checklist-items h3 { margin-bottom: 12px; font-size: 22px; }
.trust-checklist-items p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.75; }
.trust-aftercare { color: var(--on-dark); background: #263329; }
.trust-aftercare > div { display: grid; grid-template-columns: 1fr 1fr; gap: 75px; }
.trust-aftercare .eyebrow { color: #c6d3b4; }
.trust-aftercare h2 { max-width: 16ch; margin: 0; }
.trust-aftercare .lead { color: #e1e6d9; }
.trust-aftercare p:not(.eyebrow):not(.lead) { color: #c5cfbb; font-size: 16px; line-height: 1.75; }
.trust-aftercare .button { margin-top: 14px; max-width: 100%; }
@media (max-width: 1100px) {
 .system-card-body { padding: 23px 21px; }
 .system-next { align-items: flex-start; flex-direction: column; gap: 10px; }
 .roof-principle-layout { gap: 32px; }
 .trust-checklist, .trust-aftercare > div { gap: 45px; }
}
@media (max-width: 900px) {
 .system-selection-grid { grid-template-columns: 1fr; gap: 26px; }
 .system-card { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); }
 .system-card figure { height: 100%; }
 .system-card figure img { height: 100%; min-height: 250px; }
 .system-card h3 { min-height: 0; }
 .system-card-body { padding: 27px; }
 .roof-principle-layout { grid-template-columns: 1fr; gap: 28px; }
 .roof-principle-figure { max-width: 720px; }
 .roof-principle-notes { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 0; gap: 0 25px; }
 .roof-principle-note { border-bottom: 1px solid #bcc7b1; }
 .roof-principle-note h3 { font-size: 19px; }
 .roof-principle-note > p { padding-left: 0; padding-right: 15px; }
 .roof-principle-next { align-items: flex-start; }
}
@media (max-width: 760px) {
 .system-selection { padding-top: 0; }
 .system-selection-grid { gap: 28px; }
 .system-card { display: flex; }
 .system-card figure img { height: auto; min-height: 0; aspect-ratio: 1.6; }
 .system-card-body { padding: 25px 22px; }
 .system-card h3 { max-width: 17ch; margin-bottom: 23px; font-size: 30px; }
 .system-card dd { font-size: 15px; }
 .system-card .text-link { font-size: 14px; }
 .system-scope { font-size: 12px; }
 .system-next { padding-top: 20px; margin-top: 25px; }
 .system-next .text-link { font-size: 14px; }
 .roof-principle { padding-top: 58px; }
 .roof-principle-figure { padding: 16px 5px 18px; }
 .roof-principle-figure figcaption { padding-inline: 12px; }
 .roof-principle-notes { display: block; }
 .roof-principle-note summary { min-height: 80px; gap: 12px; padding-block: 20px; }
 .roof-principle-note h3 { font-size: 21px; }
 .roof-principle-note > p { padding-left: 39px; font-size: 15px; }
 .roof-principle-next { flex-direction: column; align-items: stretch; gap: 20px; }
 .roof-principle-next p { font-size: 15px; }
 .roof-principle-next .button { width: 100%; }
 .trust-evidence-grid { grid-template-columns: 1fr; gap: 28px; }
 .trust-evidence-card > div { padding: 26px 22px; }
 .trust-evidence-card h3 { font-size: 28px; }
 .trust-evidence-card p { font-size: 15px; }
 .trust-checklist, .trust-aftercare > div { grid-template-columns: 1fr; gap: 28px; }
 .trust-checklist-items h3 { font-size: 21px; }
 .trust-checklist-items article { gap: 17px; }
 .trust-checklist-items p { font-size: 15px; }
 .trust-aftercare h2 { max-width: 17ch; }
 .trust-aftercare .button { width: 100%; font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) { .roof-part { transition: none; } }

.trust-pdf-card { grid-column: 1 / -1; display: grid; grid-template-columns: 48px minmax(0,1fr) auto; align-items: center; gap: 26px; padding: 30px; border: 1px solid #b9c7ac; background: #e9eee1; }
.trust-pdf-card > svg { width: 40px; height: 48px; stroke: #5c714d; stroke-width: 1.4; fill: none; }
.trust-pdf-card h3 { margin: 0 0 12px; font-size: 25px; overflow-wrap: anywhere; }
.trust-pdf-card p { margin: 0; max-width: 65ch; color: #59664f; font-size: 14px; line-height: 1.7; }
.trust-pdf-card .trust-document-type { margin-bottom: 10px; }
.trust-pdf-card .button { font-size: 13px; }
@media (max-width: 1050px) { .trust-pdf-card { grid-template-columns: 42px minmax(0,1fr); } .trust-pdf-card .button { grid-column: 2; justify-self: start; } }
@media (max-width: 760px) { .trust-pdf-card { padding: 25px 22px; gap: 19px; } .trust-pdf-card h3 { font-size: 21px; } .trust-pdf-card .button { grid-column: 1 / -1; width: 100%; justify-self: stretch; } .trust-pdf-card > svg { width: 33px; height: 40px; } }