/* Dataset stories — an extension of the Spatialfolio visual system. */
.dataset-page {
  --dataset-accent: 156, 231, 239;
  --dataset-accent-2: 119, 185, 239;
  --dataset-accent-solid: #9ce7ef;
  --dataset-accent-dark: #275f76;
  background: #05070a;
}
.dataset-page.indoor-ms {
  --dataset-accent: 204, 155, 236;
  --dataset-accent-2: 240, 170, 145;
  --dataset-accent-solid: #d6a5ee;
  --dataset-accent-dark: #72518c;
}

.dataset-hero { position: relative; display: flex; min-height: 100svh; overflow: hidden; align-items: flex-end; padding: 150px 0 54px; background: #05070a; isolation: isolate; }
.dataset-hero::before { position: absolute; z-index: 1; inset: 0; content: ""; background: linear-gradient(90deg, rgba(4,6,9,.99) 0%, rgba(4,6,9,.94) 32%, rgba(4,6,9,.48) 63%, rgba(4,6,9,.35)), linear-gradient(180deg, rgba(4,6,9,.3), rgba(4,6,9,.08) 55%, rgba(4,6,9,.94)); pointer-events: none; }
.dataset-hero::after { position: absolute; z-index: 1; inset: 0; content: ""; opacity: .28; background-image: linear-gradient(rgba(var(--dataset-accent),.09) 1px, transparent 1px), linear-gradient(90deg, rgba(var(--dataset-accent),.09) 1px, transparent 1px); background-size: 72px 72px; mask-image: radial-gradient(circle at 72% 48%, #000, transparent 70%); pointer-events: none; }
.dataset-hero-media { position: absolute; z-index: 0; inset: -3%; overflow: hidden; }
.dataset-hero-media img { width: 100%; height: 100%; object-fit: cover; opacity: .45; filter: grayscale(1) invert(1) contrast(1.35); transform: scale(1.03); animation: dataset-drift 16s ease-in-out infinite alternate; }
.indoor-ms .dataset-hero-media { inset: 9% -3% 5% auto; width: min(65vw, 980px); overflow: visible; }
.indoor-ms-hero-sequence { display: grid; height: 100%; gap: clamp(8px, 1vw, 14px); grid-template-rows: repeat(3, minmax(0, 1fr)); filter: drop-shadow(0 28px 55px rgba(0,0,0,.34)); mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,.56) 13%, #000 31%, #000 96%, transparent 100%); transform: rotate(-1deg); transform-origin: right center; }
.indoor-ms-hero-row { position: relative; display: block; overflow: hidden; opacity: .57; background-image: url('/static/images/IndoorMS2.jpg'); background-repeat: no-repeat; background-size: 100% auto; filter: invert(1) hue-rotate(180deg) saturate(.82) contrast(1.2); }
.indoor-ms-hero-row::after { position: absolute; inset: 0; content: ""; border-top: 1px solid rgba(var(--dataset-accent),.16); border-bottom: 1px solid rgba(var(--dataset-accent-2),.08); background: linear-gradient(90deg, rgba(255,255,255,.2), transparent 32%, rgba(255,255,255,.03)); pointer-events: none; }
.indoor-ms-hero-row.row-one { background-position: center top; }
.indoor-ms-hero-row.row-two { background-position: center 45%; }
.indoor-ms-hero-row.row-three { background-position: center 90%; }
.dataset-hero-glow { position: absolute; z-index: 0; top: 13%; right: 3%; width: min(62vw, 930px); aspect-ratio: 1; border-radius: 50%; opacity: .36; background: radial-gradient(circle, rgba(var(--dataset-accent),.2), rgba(var(--dataset-accent-2),.08) 37%, transparent 69%); filter: blur(25px); pointer-events: none; }
@keyframes dataset-drift { to { transform: scale(1.07) translate3d(-.8%, .6%, 0); } }

.dataset-hero-inner { position: relative; z-index: 3; width: var(--shell); }
.dataset-hero-topline { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: clamp(40px, 7vh, 78px); color: #8492a2; font-family: var(--mono); font-size: 8px; letter-spacing: .14em; text-transform: uppercase; }
.dataset-hero-topline span { display: inline-flex; align-items: center; gap: 10px; }
.dataset-hero-topline span:first-child::before { width: 7px; height: 7px; border-radius: 50%; content: ""; background: var(--dataset-accent-solid); box-shadow: 0 0 18px rgba(var(--dataset-accent),.72); }
.dataset-kicker { margin: 0 0 18px; color: var(--dataset-accent-solid); font-family: var(--mono); font-size: 9px; letter-spacing: .17em; text-transform: uppercase; }
.dataset-title { max-width: 960px; margin: 0; font-family: var(--display); font-size: clamp(92px, 13.8vw, 220px); font-weight: 400; letter-spacing: -.068em; line-height: .64; }
.dataset-title em { color: rgb(var(--dataset-accent-2)); font-weight: 400; }
.dataset-paper-title { max-width: 960px; margin: clamp(38px, 5vw, 65px) 0 20px; color: #d6dde5; font-family: var(--display); font-size: clamp(23px, 2.7vw, 40px); line-height: 1.12; }
.dataset-authors { display: flex; max-width: 900px; flex-wrap: wrap; gap: 4px 20px; margin: 0; color: #8f9baa; font-size: 11px; }
.dataset-authors a { color: #dbe3ea; border-bottom: 1px solid rgba(var(--dataset-accent),.24); }
.dataset-authors sup { color: var(--dataset-accent-solid); font-family: var(--mono); font-size: 7px; }
.dataset-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 30px; }
.dataset-actions .button-primary { background: linear-gradient(120deg, rgba(var(--dataset-accent-2),.94), rgba(var(--dataset-accent),.98)); }
.dataset-actions .button-ghost { background: rgba(5,9,13,.52); backdrop-filter: blur(12px); }
.dataset-stats { display: grid; margin-top: clamp(46px, 7vh, 80px); overflow: hidden; grid-template-columns: repeat(4, 1fr); border: 1px solid rgba(225,235,243,.12); border-radius: 20px; background: rgba(7,11,16,.48); backdrop-filter: blur(18px); }
.dataset-stat { min-height: 95px; padding: 19px 22px; border-right: 1px solid rgba(225,235,243,.1); }
.dataset-stat:last-child { border-right: 0; }
.dataset-stat strong { display: block; color: #f1f5f7; font-family: var(--display); font-size: clamp(30px,3vw,48px); font-weight: 400; line-height: .9; }
.dataset-stat span { display: block; margin-top: 9px; color: #768394; font-family: var(--mono); font-size: 7px; letter-spacing: .11em; text-transform: uppercase; }

.dataset-local-nav { position: sticky; z-index: 90; top: 0; color: #23303a; border-bottom: 1px solid var(--paper-line); background: rgba(238,240,235,.9); backdrop-filter: blur(18px); }
.dataset-local-nav .shell { display: flex; min-height: 58px; align-items: center; justify-content: space-between; gap: 24px; }
.dataset-local-name { color: var(--dataset-accent-dark); font-family: var(--display); font-size: 20px; font-style: italic; }
.dataset-local-links { display: flex; align-items: center; gap: 4px; }
.dataset-local-links a { padding: 8px 10px; border-radius: 99px; color: #66717a; font-family: var(--mono); font-size: 7px; letter-spacing: .09em; text-transform: uppercase; transition: color .2s ease, background .2s ease; }
.dataset-local-links a:hover, .dataset-local-links a.active { color: #fff; background: var(--dataset-accent-dark); }

.dataset-paper { color: var(--ink-dark); background: var(--paper); }
.dataset-section { position: relative; padding: clamp(92px, 10vw, 155px) 0; }
.dataset-section + .dataset-section { border-top: 1px solid var(--paper-line); }
.dataset-section-label { display: flex; align-items: center; gap: 12px; margin: 0 0 22px; color: var(--dataset-accent-dark); font-family: var(--mono); font-size: 8px; letter-spacing: .15em; text-transform: uppercase; }
.dataset-section-label::before { width: 26px; height: 1px; content: ""; background: currentColor; }
.dataset-heading { max-width: 1020px; margin: 0; font-family: var(--display); font-size: clamp(54px, 7vw, 108px); font-weight: 400; letter-spacing: -.05em; line-height: .84; }
.dataset-heading em { color: var(--dataset-accent-dark); font-weight: 400; }
.dataset-lead-grid { display: grid; grid-template-columns: minmax(220px,.58fr) minmax(0,1.42fr); gap: clamp(40px,7vw,110px); align-items: start; }
.dataset-lead-aside { position: sticky; top: 92px; }
.dataset-lead-aside p:last-child { max-width: 300px; margin: 30px 0 0; color: #69747d; font-size: 11px; }
.dataset-abstract { margin: 0; color: #202a33; font-family: var(--display); font-size: clamp(27px, 3.1vw, 47px); line-height: 1.16; }
.dataset-abstract em { color: var(--dataset-accent-dark); }
.dataset-body-copy { margin-top: 32px; color: #5d6871; font-size: 13px; line-height: 1.85; }
.dataset-body-copy p { margin: 0 0 18px; }

.dataset-facts { display: grid; grid-template-columns: repeat(12,1fr); gap: 12px; margin-top: 70px; }
.dataset-fact { min-height: 190px; padding: 24px; grid-column: span 3; border: 1px solid var(--paper-line); border-radius: 20px; background: rgba(255,255,255,.34); transition: transform .35s var(--ease), background .25s ease; }
.dataset-fact:hover { background: rgba(255,255,255,.66); transform: translateY(-3px); }
.dataset-fact:nth-child(5), .dataset-fact:nth-child(6) { grid-column: span 6; min-height: 150px; }
.dataset-fact > span { color: var(--dataset-accent-dark); font-family: var(--mono); font-size: 8px; letter-spacing: .1em; text-transform: uppercase; }
.dataset-fact strong { display: block; margin-top: 35px; color: #1a242c; font-family: var(--display); font-size: 29px; font-weight: 400; line-height: 1; }
.dataset-fact p { margin: 9px 0 0; color: #68737c; font-size: 9px; line-height: 1.6; }

.dataset-figure { overflow: hidden; margin: 70px 0 0; border: 1px solid var(--paper-line); border-radius: 28px; background: #e5e8e2; }
.dataset-figure-button { display: block; width: 100%; padding: 0; background: transparent; cursor: zoom-in; }
.dataset-figure img { width: 100%; max-height: 820px; object-fit: contain; padding: clamp(10px, 2.7vw, 42px); mix-blend-mode: multiply; transition: transform .7s var(--ease); }
.dataset-figure:hover img { transform: scale(1.012); }
.dataset-figure figcaption { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 16px 22px; border-top: 1px solid var(--paper-line); color: #6a747c; font-family: var(--mono); font-size: 7px; letter-spacing: .07em; line-height: 1.6; text-transform: uppercase; }
.dataset-figure figcaption span:last-child { flex: 0 0 auto; color: var(--dataset-accent-dark); }
.dataset-figure-compact { max-width: 980px; margin-inline: auto; }

.dataset-dark { position: relative; overflow: hidden; padding: clamp(95px, 10vw, 155px) 0; background: #070a0f; }
.dataset-dark::before { position: absolute; inset: 0; content: ""; opacity: .32; background: radial-gradient(circle at 76% 38%, rgba(var(--dataset-accent),.16), transparent 34%), linear-gradient(rgba(var(--dataset-accent),.055) 1px, transparent 1px), linear-gradient(90deg, rgba(var(--dataset-accent),.055) 1px, transparent 1px); background-size: auto, 64px 64px, 64px 64px; mask-image: linear-gradient(90deg, transparent, #000 25%, #000); pointer-events: none; }
.dataset-dark .shell { position: relative; }
.dataset-dark .dataset-section-label { color: var(--dataset-accent-solid); }
.dataset-dark .dataset-heading { color: #f0f4f6; }
.dataset-dark .dataset-heading em { color: rgb(var(--dataset-accent-2)); }
.taxonomy-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 55px; }
.taxonomy-grid span { padding: 10px 13px; border: 1px solid rgba(225,235,243,.12); border-radius: 99px; color: #a9b5c1; background: rgba(255,255,255,.025); font-family: var(--mono); font-size: 7px; letter-spacing: .08em; text-transform: uppercase; transition: color .2s ease, border-color .2s ease, transform .2s ease; }
.taxonomy-grid span:hover { color: #fff; border-color: rgba(var(--dataset-accent),.5); transform: translateY(-2px); }

.dataset-gallery-header { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 45px; }
.dataset-gallery-controls { display: flex; gap: 8px; }
.dataset-gallery-controls button { display: grid; width: 44px; height: 44px; border: 1px solid rgba(225,235,243,.14); border-radius: 50%; color: #dfe7ed; background: rgba(255,255,255,.035); place-items: center; transition: color .2s ease, background .2s ease, transform .2s ease; }
.dataset-gallery-controls button:hover { color: #061017; background: var(--dataset-accent-solid); transform: translateY(-2px); }
.dataset-gallery-viewport { overflow-x: auto; margin-right: calc((100vw - var(--shell)) / -2); padding-right: max(32px, calc((100vw - var(--shell)) / 2)); scrollbar-width: none; scroll-snap-type: x mandatory; }
.dataset-gallery-viewport::-webkit-scrollbar { display: none; }
.dataset-gallery-rail { display: flex; width: max-content; gap: 14px; }
.dataset-gallery-card { position: relative; width: min(72vw, 960px); overflow: hidden; flex: 0 0 auto; border: 1px solid rgba(225,235,243,.12); border-radius: 24px; background: #111721; scroll-snap-align: start; }
.dataset-gallery-card button { display: block; width: 100%; padding: 0; background: #111721; cursor: zoom-in; }
.dataset-gallery-card img { width: 100%; height: min(64vh, 620px); object-fit: contain; background: #e9ebe7; transition: transform .8s var(--ease); }
.semantic-urban .dataset-gallery-card img { mix-blend-mode: normal; }
.dataset-gallery-card:hover img { transform: scale(1.015); }
.dataset-gallery-card figcaption { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 15px 18px; color: #8d9aa8; font-family: var(--mono); font-size: 7px; letter-spacing: .08em; text-transform: uppercase; }
.dataset-gallery-card figcaption b { color: var(--dataset-accent-solid); font-weight: 400; }

.dataset-access-grid { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(320px,.85fr); gap: 14px; margin-top: 55px; }
.dataset-access-card { position: relative; min-height: 330px; overflow: hidden; padding: 34px; border: 1px solid var(--paper-line); border-radius: 25px; background: rgba(255,255,255,.38); }
.dataset-access-card.primary { color: #e8eef2; border-color: rgba(225,235,243,.12); background: #0c1219; }
.dataset-access-card.primary::after { position: absolute; right: -14%; bottom: -42%; width: 420px; aspect-ratio: 1; border-radius: 50%; content: ""; background: radial-gradient(circle, rgba(var(--dataset-accent),.2), transparent 66%); }
.dataset-access-card > * { position: relative; z-index: 1; }
.dataset-access-card > span { color: var(--dataset-accent-dark); font-family: var(--mono); font-size: 8px; letter-spacing: .12em; text-transform: uppercase; }
.dataset-access-card.primary > span { color: var(--dataset-accent-solid); }
.dataset-access-card h3 { max-width: 600px; margin: 42px 0 14px; font-family: var(--display); font-size: clamp(36px,4vw,58px); font-weight: 400; letter-spacing: -.03em; line-height: .95; }
.dataset-access-card p { max-width: 570px; margin: 0; color: #68737c; font-size: 11px; }
.dataset-access-card.primary p { color: #99a6b3; }
.dataset-access-card .dataset-actions { margin-top: 28px; }

.dataset-citation { padding: clamp(90px,9vw,135px) 0; background: #070a0f; }
.citation-layout { display: grid; grid-template-columns: minmax(240px,.55fr) minmax(0,1.45fr); gap: clamp(40px,7vw,105px); }
.citation-layout .dataset-heading { color: #eef3f5; font-size: clamp(52px,6vw,88px); }
.citation-box { position: relative; overflow: hidden; border: 1px solid rgba(225,235,243,.13); border-radius: 22px; background: #0c1219; }
.citation-box pre { overflow-x: auto; margin: 0; padding: 32px; color: #aebbc7; font-family: var(--mono); font-size: 10px; line-height: 1.75; white-space: pre; }
.citation-copy { position: absolute; top: 14px; right: 14px; padding: 8px 11px; border: 1px solid rgba(225,235,243,.14); border-radius: 99px; color: #9aa8b5; background: rgba(7,10,15,.86); font-family: var(--mono); font-size: 7px; letter-spacing: .08em; text-transform: uppercase; }
.citation-copy:hover, .citation-copy.copied { color: #061017; background: var(--dataset-accent-solid); }

.dataset-pdf-frame { overflow: hidden; height: min(78vh, 780px); margin-top: 55px; border: 1px solid var(--paper-line); border-radius: 26px; background: #dfe3dc; }
.dataset-pdf-frame iframe { width: 100%; height: 100%; border: 0; }

.dataset-dialog { width: min(94vw, 1500px); max-width: none; max-height: 92vh; overflow: hidden; padding: 0; border: 1px solid rgba(225,235,243,.17); border-radius: 22px; color: white; background: #080c11; box-shadow: 0 40px 110px rgba(0,0,0,.65); }
.dataset-dialog::backdrop { background: rgba(1,3,6,.87); backdrop-filter: blur(11px); }
.dataset-dialog img { width: 100%; max-height: 84vh; object-fit: contain; background: #e9ebe7; }
.dataset-dialog-close { position: absolute; z-index: 2; top: 14px; right: 14px; display: grid; width: 40px; height: 40px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; color: white; background: rgba(4,7,10,.76); place-items: center; }

.dataset-footer { padding-top: 70px; border-top: 1px solid var(--line); }

@media (max-width: 980px) {
  .dataset-hero { min-height: 920px; }
  .dataset-title { font-size: clamp(92px,18vw,160px); }
  .dataset-stats { grid-template-columns: repeat(2,1fr); }
  .dataset-stat:nth-child(2) { border-right: 0; }
  .dataset-stat:nth-child(-n+2) { border-bottom: 1px solid rgba(225,235,243,.1); }
  .dataset-lead-grid, .citation-layout { grid-template-columns: 1fr; }
  .dataset-lead-aside { position: static; }
  .dataset-fact { grid-column: span 6; }
  .dataset-access-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .dataset-hero { min-height: 860px; padding: 125px 0 28px; }
  .dataset-hero::before { background: linear-gradient(180deg, rgba(4,6,9,.48), rgba(4,6,9,.91) 45%, rgba(4,6,9,.98) 100%); }
  .dataset-hero-media { inset: 0; height: 53%; }
  .dataset-hero-media img { object-position: 64% 36%; opacity: .42; }
  .indoor-ms .dataset-hero-media { inset: 74px -6% auto auto; width: 112%; height: 38%; }
  .indoor-ms-hero-sequence { gap: 6px; mask-image: linear-gradient(90deg, transparent 0%, #000 14%, #000 94%, transparent 100%); transform: none; }
  .indoor-ms-hero-row { opacity: .5; }
  .dataset-hero-topline { margin-bottom: 230px; }
  .dataset-hero-topline span:last-child { display: none; }
  .dataset-title { font-size: clamp(78px, 25vw, 108px); line-height: .68; }
  .dataset-paper-title { margin-top: 30px; font-size: 22px; }
  .dataset-authors { font-size: 10px; }
  .dataset-actions { gap: 7px; }
  .dataset-actions .button { flex: 1 1 auto; }
  .dataset-stats { margin-top: 38px; }
  .dataset-stat { min-height: 78px; padding: 15px; }
  .dataset-stat strong { font-size: 29px; }
  .dataset-local-nav { top: 0; overflow-x: auto; }
  .dataset-local-nav .shell { width: max-content; min-width: 100%; padding: 0 17px; }
  .dataset-local-name { display: none; }
  .dataset-local-links a { padding: 8px 9px; white-space: nowrap; }
  .dataset-section { padding: 82px 0; }
  .dataset-heading { font-size: 52px; }
  .dataset-abstract { font-size: 29px; }
  .dataset-body-copy { font-size: 12px; }
  .dataset-facts { grid-template-columns: 1fr; margin-top: 48px; }
  .dataset-fact, .dataset-fact:nth-child(n) { min-height: 145px; grid-column: 1; }
  .dataset-fact strong { margin-top: 22px; }
  .dataset-figure { margin-top: 48px; border-radius: 19px; }
  .dataset-figure figcaption { align-items: flex-start; flex-direction: column; gap: 7px; }
  .dataset-gallery-header { align-items: flex-start; flex-direction: column; }
  .dataset-gallery-card { width: 88vw; border-radius: 18px; }
  .dataset-gallery-card img { height: 50vh; }
  .dataset-access-card { min-height: 280px; padding: 25px; }
  .citation-box pre { padding: 60px 20px 24px; font-size: 8px; }
  .dataset-pdf-frame { height: 68vh; border-radius: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .dataset-hero-media img { animation: none; }
}