:root { color-scheme: light; font-family: system-ui, sans-serif; color: #202b33; background: #f5f5f0; line-height: 1.55; }
* { box-sizing: border-box; }
body { margin: 0; }
header, main { width: min(100% - 32px, 1060px); margin: auto; }
header { padding: 36px 0 22px; border-bottom: 1px solid #d8dfda; }
main { padding: 20px 0 64px; }
h1 { font-size: clamp(1.8rem, 5vw, 2.8rem); line-height: 1.2; margin: 8px 0; }
h2 { margin-top: 36px; } h3, h4 { margin-top: 0; }
p { overflow-wrap: anywhere; white-space: pre-wrap; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; color: #36594d; font-weight: 700; }
.concept-card { background: #fff; border: 1px solid #d8dfda; border-radius: 16px; padding: 20px; margin: 20px 0; }
.meta { color: #53636a; font-size: .9rem; }
.gallery { display: grid; gap: 16px; margin: 20px 0; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
figure { margin: 0; min-width: 0; } img, video { display: block; width: 100%; max-height: 620px; object-fit: contain; border-radius: 8px; background: #f0f2ef; }
figcaption { padding: 8px 0; color: #53636a; }
label { display: block; font-weight: 600; margin: 16px 0 8px; }
input, select, textarea, button { font: inherit; min-height: 44px; }
input:not([type=radio]):not([type=checkbox]), select, textarea { display: block; width: 100%; border: 1px solid #788a82; border-radius: 6px; padding: 10px; color: inherit; background: white; margin-top: 6px; }
textarea { resize: vertical; }
button { cursor: pointer; border: 1px solid #265344; border-radius: 6px; background: #265344; color: #fff; padding: 10px 18px; font-weight: 600; }
button:hover { background: #183d31; } button:disabled { opacity: .6; cursor: wait; }
:focus-visible { outline: 3px solid #ab5e00; outline-offset: 3px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 16px 0; }
fieldset { margin: 0; padding: 12px; border: 1px solid #c5d0c9; border-radius: 6px; }
.radio { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; margin: 0 18px 0 0; cursor: pointer; }
input[type=radio], input[type=checkbox] { width: 20px; }
.building { background: #eaf2ed; padding: 16px; border-left: 4px solid #265344; border-radius: 4px; }
.badge { color: #36594d; font-weight: 600; font-size: .9rem; }
.error { color: #943325; }
.feedback-entry, .list-row { padding: 12px 0; border-bottom: 1px solid #d8dfda; }
.copy { border-top: 1px solid #d8dfda; padding-top: 16px; }
.digest { word-break: break-all; }
form { margin-top: 24px; } summary { min-height: 44px; padding: 10px 0; cursor: pointer; }
details { border-bottom: 1px solid #d8dfda; padding: 4px 0; }
.skip { position: absolute; top: -100px; left: 16px; background: white; padding: 12px; color: #265344; }
.skip:focus { top: 10px; }
[hidden] { display: none !important; }
@media (min-width: 700px) { .concept-card { padding: 28px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; } }