/* ===== AIhycare 디자인 토큰 (design-tokens.css 기준) ===== */
:root {
  --color-bg: #ffffff;
  --color-surface: #f5f7fb;
  --color-ink: #14213d;
  --color-muted: #526079;
  --color-primary: #245bff;
  --color-primary-ink: #1a44c2;
  --color-energy: #c9f36b;
  --color-border: #dde3ee;
  --color-tint: #eaf1ff;
  --font-body: "Noto Sans KR", "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif;
  --font-latin: "Inter", "Noto Sans KR", system-ui, sans-serif;
  --content-width: 1200px;
  --page-gutter: clamp(20px, 4vw, 40px);
  --section-space: clamp(56px, 7vw, 96px);
  --radius-button: 8px;
  --radius-panel: 16px;
  --motion-fast: 180ms;
  --header-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.3vw, 1.125rem);
  line-height: 1.75;
  color: var(--color-ink);
  background: var(--color-bg);
  word-break: keep-all;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }
[hidden] { display: none !important; }
html[lang="en"] body { font-family: var(--font-latin); }
.latin, .eyebrow, .brand { font-family: var(--font-latin); }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.container { max-width: var(--content-width); margin-inline: auto; padding-inline: var(--page-gutter); }
.section { padding-block: var(--section-space); }
.section--surface { background: var(--color-surface); }
.section--tight { padding-block: clamp(40px, 5vw, 64px); }

/* ===== 타이포 ===== */
.eyebrow { font-size: .8rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--color-primary); margin-bottom: 16px; }
.title-xl { font-size: clamp(2.125rem, 4.5vw, 4rem); line-height: 1.2; letter-spacing: -.035em; font-weight: 700; }
.title-lg { font-size: clamp(1.875rem, 3.4vw, 3rem); line-height: 1.25; letter-spacing: -.03em; font-weight: 700; }
.title-md { font-size: clamp(1.5rem, 2.4vw, 2rem); line-height: 1.3; letter-spacing: -.02em; font-weight: 700; }
.title-sm { font-size: clamp(1.25rem, 1.8vw, 1.5rem); line-height: 1.4; font-weight: 700; }
.lead { font-size: clamp(1.0625rem, 1.5vw, 1.25rem); line-height: 1.7; color: var(--color-muted); }
.muted { color: var(--color-muted); }
.section-head { max-width: 760px; margin-bottom: clamp(32px, 4vw, 48px); }
.section-head .lead { margin-top: 16px; }
.prose > * + * { margin-top: 1em; }
.prose h2 { margin-top: 2.2em; }
.prose h3 { margin-top: 1.6em; }
.prose ul { list-style: disc; padding-left: 1.4em; }
.prose li + li { margin-top: .4em; }

/* ===== 버튼 / 링크 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 12px 22px; border-radius: var(--radius-button);
  font-weight: 600; text-decoration: none; border: 1px solid transparent;
  transition: background var(--motion-fast) ease, color var(--motion-fast) ease, border-color var(--motion-fast) ease, transform var(--motion-fast) ease;
  cursor: pointer;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-ink); }
.btn-outline { background: #fff; color: var(--color-ink); border-color: var(--color-border); }
.btn-outline:hover { border-color: var(--color-ink); }
.btn-energy { background: var(--color-energy); color: var(--color-ink); }
.btn:active { transform: translateY(1px); }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; font-weight: 600; color: var(--color-primary); text-decoration: none; }
.link-arrow::after { content: "→"; transition: transform var(--motion-fast) ease; }
.link-arrow:hover::after { transform: translateX(3px); }
.link-arrow:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ===== 헤더 ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.94); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container { position: relative; display: flex; align-items: center; gap: 24px; min-height: var(--header-h); }
.brand { display: inline-flex; align-items: center; font-weight: 700; font-size: 1.4rem; letter-spacing: -.03em; text-decoration: none; color: var(--color-ink); }
.brand img { height: 30px; width: auto; display: block; }
.brand-ai { color: var(--color-primary); }
.site-nav { display: flex; align-items: center; gap: clamp(16px, 2.4vw, 32px); margin-left: auto; }
.site-nav a { padding: 8px 2px; min-height: 44px; display: inline-flex; align-items: center; text-decoration: none; font-weight: 500; color: var(--color-muted); border-bottom: 2px solid transparent; }
.site-nav a:hover { color: var(--color-ink); }
.site-nav a[aria-current="page"] { color: var(--color-primary); border-bottom-color: currentColor; }
.header-tools { display: flex; align-items: center; gap: 12px; }
.lang-switch { display: inline-flex; border: 1px solid var(--color-border); border-radius: 999px; padding: 2px; }
.lang-switch button { min-width: 44px; min-height: 36px; padding: 4px 12px; border: 0; border-radius: 999px; background: transparent; color: var(--color-muted); font-weight: 600; font-size: .85rem; font-family: var(--font-latin); cursor: pointer; }
.lang-switch button[aria-pressed="true"] { background: var(--color-ink); color: #fff; }
.site-nav .btn-login { min-height: 40px; padding: 8px 16px; font-size: .95rem; color: var(--color-ink); border-bottom: 1px solid var(--color-border); }
.site-nav .btn-login[aria-current="page"] { color: var(--color-primary); border-color: var(--color-primary); }
.menu-toggle { display: none; margin-left: auto; width: 44px; height: 44px; border: 1px solid var(--color-border); border-radius: var(--radius-button); background: #fff; cursor: pointer; align-items: center; justify-content: center; }
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after { display: block; width: 20px; height: 2px; background: var(--color-ink); position: relative; content: ""; }
.menu-toggle span::before { position: absolute; top: -6px; }
.menu-toggle span::after { position: absolute; top: 6px; }

/* ===== 히어로 ===== */
.hero { padding-block: clamp(40px, 6vw, 88px) clamp(48px, 6vw, 80px); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; align-items: center; gap: clamp(24px, 4vw, 56px); }
.hero-title { margin-top: 8px; }
.hero-name { margin-top: 20px; font-size: clamp(1.0625rem, 1.5vw, 1.25rem); font-weight: 500; color: var(--color-muted); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; margin-top: 32px; }
.hero-figure { display: flex; justify-content: center; }
.hero-figure img { width: 100%; max-width: 520px; height: auto; object-fit: contain; aspect-ratio: 1 / 1; }

/* ===== 연구 세 축 ===== */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.pillar { display: flex; align-items: center; gap: 16px; padding: 12px 24px; font-weight: 600; font-size: 1.0625rem; }
.pillar + .pillar { border-left: 1px solid var(--color-border); }
.pillar img { flex: none; width: 56px; height: 56px; }

/* ===== A. Dyad ===== */
.dyad-grid { display: grid; grid-template-columns: 1fr 1.1fr; align-items: center; gap: clamp(32px, 5vw, 72px); }
.dyad-figure img { width: 100%; height: auto; display: block; border-radius: var(--radius-panel); }
.dyad-figure figcaption { text-align: center; margin-top: 12px; font-weight: 500; color: var(--color-muted); }
.dyad-legend { display: grid; margin-top: 16px; gap: 8px; font-size: .95rem; color: var(--color-muted); }
.dyad-legend li { display: flex; align-items: center; gap: 10px; }
.dyad-legend i { width: 14px; height: 14px; border-radius: 50%; display: inline-block; flex: none; }
.dyad-actions { margin-top: 28px; }

/* ===== B. 측정 영역 ===== */
.modalities { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.modality { padding-top: 24px; border-top: 1px solid var(--color-border); }
.modality-label { display: inline-block; font-size: .8rem; font-weight: 600; letter-spacing: .08em; padding: 4px 10px; border-radius: 999px; background: var(--color-tint); color: var(--color-primary-ink); }
.modality-label--intervention { background: var(--color-energy); color: var(--color-ink); }
.modality-art { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; margin: 20px 0 16px; border-radius: 12px; background: #fff; }
.modality h3 { font-size: 1.5rem; line-height: 1.3; }
.modality ul { margin-top: 16px; }
.modality li { position: relative; padding-left: 18px; font-weight: 500; line-height: 1.6; }
.modality li::before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary); }
.modality--intervention li::before { background: var(--color-ink); }
.modality-items li { display: flex; align-items: center; gap: 10px; padding-left: 0; }
.modality-items li::before { content: none; }
.modality-items img { flex: none; width: 28px; height: 28px; }
.modality p { margin-top: 12px; color: var(--color-muted); }

/* ===== C. 연구 과정 ===== */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process--narrow { grid-template-columns: repeat(2, 1fr); }
.step { padding: 24px; border: 1px solid var(--color-border); border-radius: 12px; background: #fff; }
.step-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.step-icon { width: 48px; height: 48px; }
.step-no { font-family: var(--font-latin); font-weight: 700; color: var(--color-primary); letter-spacing: .06em; }
.step h3 { margin-top: 8px; font-size: 1.375rem; }
.step p { margin-top: 10px; color: var(--color-muted); font-size: 1rem; }
.process-cta { margin-top: 40px; padding: clamp(28px, 4vw, 44px); border-radius: var(--radius-panel); background: var(--color-ink); color: #fff; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; }
.process-cta p { margin-top: 8px; color: rgba(255,255,255,.78); }
.process-cta .btn-energy { white-space: nowrap; }
@media (min-width: 901px) {
  .process-cta {
    background-image: linear-gradient(90deg, rgba(20,33,61,.94) 0%, rgba(20,33,61,.78) 55%, rgba(20,33,61,.45) 100%), url("/images/process-cta-v4-1440.webp");
    background-size: cover; background-position: center;
  }
}

/* ===== 홈 하위 블록 ===== */
.split { display: grid; grid-template-columns: 1fr 2fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.split .link-arrow { margin-top: 20px; }
.home-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.panel { padding: clamp(28px, 4vw, 44px); border-radius: var(--radius-panel); background: var(--color-surface); }
.panel--primary { background: var(--color-primary); color: #fff; }
.panel--primary .eyebrow, .panel--primary .muted { color: rgba(255,255,255,.82); }
.panel--primary .link-arrow { color: #fff; }
.panel p { margin-top: 12px; }
.panel .link-arrow { margin-top: 20px; }
.panel--media { padding: 0; overflow: hidden; }
.panel-art { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: right center; background: #fff; }
.panel--media .panel-body { padding: clamp(28px, 4vw, 44px); }

/* ===== 빈 상태 / 목록 ===== */
.empty-state { padding: clamp(40px, 6vw, 64px) 24px; border-block: 1px solid var(--color-border); text-align: center; color: var(--color-muted); }
.empty-state svg { width: 56px; height: 56px; margin: 0 auto 16px; stroke: var(--color-muted); fill: none; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; opacity: .8; }
.empty-state h3, .empty-state h2 { color: var(--color-ink); font-size: 1.375rem; }
.empty-state p { margin-top: 8px; }
.empty-state--compact { padding-block: 32px; text-align: left; }
.empty-state--compact svg { margin: 0 0 12px; }

.publication-list { border-top: 1px solid var(--color-border); }
.publication-row { display: grid; grid-template-columns: 72px minmax(0, 1fr) auto; gap: 24px; padding-block: 28px; border-bottom: 1px solid var(--color-border); }
.publication-row .year { font-family: var(--font-latin); font-weight: 700; color: var(--color-primary); }
.publication-row h3, .publication-row h2 { font-size: 1.375rem; line-height: 1.5; font-weight: 700; overflow-wrap: anywhere; }
.publication-row .meta { margin-top: 8px; color: var(--color-muted); }
.publication-row .topics { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.topic-chip { font-size: .8rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--color-energy); color: var(--color-ink); }
.type-chip { font-size: .8rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--color-tint); color: var(--color-primary-ink); }
.type-chip--retracted, .type-chip--corrected { background: #fde8e8; color: #8a1c1c; }
.publication-row .actions { display: flex; align-items: flex-start; gap: 8px; }
.publication-row .actions .btn { min-height: 44px; }

/* ===== 자료 페이지 (논문·발표) ===== */
.archive-masthead {
  padding-block: clamp(32px, 4vw, 48px) clamp(40px, 5vw, 56px);
  background-color: var(--color-bg);
  background-image: url("/images/research-archive-banner-v3.webp");
  background-repeat: no-repeat; background-position: right center; background-size: cover;
  border-bottom: 1px solid var(--color-border);
}
.archive-masthead__copy { max-width: 62%; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: .9rem; color: var(--color-muted); margin-bottom: 28px; }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: var(--color-border); }
.archive-masthead h1 { font-size: clamp(1.875rem, 4vw, 3.25rem); line-height: 1.25; letter-spacing: -.03em; }
.archive-masthead .lead { margin-top: 12px; }
.archive-tabs { display: flex; flex-wrap: wrap; gap: 28px; border-bottom: 1px solid var(--color-border); margin-top: 8px; }
.archive-tabs a { padding: 16px 2px; min-height: 44px; display: inline-flex; align-items: center; color: var(--color-muted); text-decoration: none; font-weight: 600; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.archive-tabs a[aria-current="page"] { color: var(--color-primary); border-bottom-color: currentColor; }
.archive-toolbar { display: grid; grid-template-columns: minmax(0, 2fr) repeat(3, minmax(0, 1fr)); gap: 12px; margin-block: 32px 24px; }
.archive-toolbar label { display: grid; gap: 6px; font-size: .85rem; font-weight: 600; color: var(--color-muted); }
.archive-toolbar input, .archive-toolbar select { min-height: 48px; width: 100%; padding: 10px 14px; border: 1px solid var(--color-border); border-radius: var(--radius-button); font: inherit; color: var(--color-ink); background: #fff; }
.archive-toolbar[hidden] { display: none; }
.archive-status { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-bottom: 8px; font-size: .95rem; color: var(--color-muted); }
.archive-status button { border: 0; background: none; color: var(--color-primary); font-weight: 600; cursor: pointer; min-height: 44px; padding: 0; }
.no-results { padding: 48px 24px; text-align: center; color: var(--color-muted); border-block: 1px solid var(--color-border); }
.no-results .btn { margin-top: 16px; }
.pagination { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 32px; }
.pagination button { min-width: 44px; min-height: 44px; border: 1px solid var(--color-border); border-radius: var(--radius-button); background: #fff; cursor: pointer; }
.pagination button[aria-current="page"] { background: var(--color-ink); color: #fff; border-color: var(--color-ink); }
.pagination[hidden] { display: none; }

.gallery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px 24px; }
.gallery-card { min-width: 0; }
.gallery-card a { text-decoration: none; display: block; }
.gallery-card img, .gallery-card__placeholder { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 12px; background: var(--color-surface); }
.gallery-card__placeholder { display: grid; place-content: center; justify-items: center; color: var(--color-muted); font-size: .95rem; border: 1px solid var(--color-border); }
.gallery-card__placeholder svg { width: 40px; height: 40px; stroke: var(--color-muted); fill: none; stroke-width: 1.4; margin-bottom: 8px; }
.gallery-card .type-chip { margin-top: 14px; display: inline-block; }
.gallery-card h2, .gallery-card h3 { margin-top: 10px; font-size: 1.25rem; line-height: 1.45; font-weight: 700; overflow-wrap: anywhere; }
.gallery-card .meta { margin-top: 6px; color: var(--color-muted); font-size: .95rem; }
.gallery-card a:hover h2, .gallery-card a:hover h3 { color: var(--color-primary); }

/* 발표 상세 */
.detail-head { padding-block: clamp(32px, 4vw, 56px); border-bottom: 1px solid var(--color-border); }
.detail-head--banner { background-color: var(--color-bg); background-repeat: no-repeat; background-position: right center; background-size: cover; }
.detail-head--banner .detail-head__copy { max-width: 62%; }
.detail-head--research { background-image: url("/images/research-banner-v4-1440.webp"); }
.detail-head--cohort { background-image: linear-gradient(90deg, #fff 0%, #fff 42%, rgba(255,255,255,0) 68%), url("/images/cohort-landscape-v4-1440.webp"); }
.diagram { margin-top: 24px; }
.diagram svg, .diagram img { width: 100%; height: auto; display: block; }
.diagram figcaption { margin-top: 10px; font-size: .95rem; color: var(--color-muted); }
.diagram--process { margin-top: 24px; margin-bottom: 8px; }
.detail-meta { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 16px; color: var(--color-muted); }
.photo-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 24px; }
.photo-grid a { display: block; border-radius: 12px; overflow: hidden; }
.photo-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.photo-grid figcaption { margin-top: 8px; font-size: .95rem; color: var(--color-muted); }
.lightbox { border: 0; padding: 0; background: transparent; max-width: min(96vw, 1200px); width: auto; }
.lightbox::backdrop { background: rgba(20,33,61,.86); }
.lightbox-inner { position: relative; display: grid; gap: 12px; justify-items: center; margin: 0; }
.lightbox img { max-width: 92vw; max-height: 78vh; width: auto; height: auto; object-fit: contain; border-radius: 8px; background: #fff; }
.lightbox figcaption { color: #fff; text-align: center; font-size: .95rem; }
.lightbox-controls { display: flex; gap: 12px; }
.lightbox-controls button { min-width: 48px; min-height: 48px; border: 1px solid rgba(255,255,255,.4); border-radius: var(--radius-button); background: rgba(255,255,255,.1); color: #fff; cursor: pointer; }
.lightbox-controls button:hover { background: rgba(255,255,255,.22); }

/* ===== 연구진 / 포털 / 404 ===== */
.team-interim { margin-top: 24px; border: 1px solid var(--color-border); border-radius: var(--radius-panel); overflow: hidden; }
.notice { padding: 16px 20px; border-radius: 12px; background: var(--color-surface); color: var(--color-muted); font-size: .95rem; }
.portal-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.portal-card { padding: 28px; border: 1px solid var(--color-border); border-radius: var(--radius-panel); background: #fff; }
.portal-card svg { width: 100%; height: auto; display: block; border-radius: 12px; }
.portal-card h3 { margin-top: 20px; font-size: 1.25rem; }
.portal-card p { margin-top: 8px; color: var(--color-muted); font-size: .95rem; }
.portal-card .badge { display: inline-block; margin-top: 12px; font-size: .78rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--color-surface); color: var(--color-muted); }
.page-404 { text-align: center; padding-block: clamp(64px, 12vw, 140px); }
.page-404 .code { font-family: var(--font-latin); font-size: clamp(3rem, 8vw, 6rem); font-weight: 700; color: var(--color-primary); line-height: 1; }

/* ===== 푸터 ===== */
.site-footer { border-top: 1px solid var(--color-border); padding-block: 40px; font-size: .95rem; color: var(--color-muted); }
.site-footer .container { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; }
.site-footer .brand { font-size: 1.15rem; }
.site-footer .brand img { height: 24px; }
.footer-name { flex: 1 1 320px; }

/* ===== 등장 효과 (최초 1회, 400ms 이내) ===== */
html.js .reveal { opacity: 0; transform: translateY(12px); transition: opacity .4s ease, transform .4s ease; }
html.js .reveal.in { opacity: 1; transform: none; }

/* ===== 반응형 ===== */
@media (max-width: 1023px) {
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .archive-toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .portal-cards { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .menu-toggle { display: inline-flex; }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 0; padding: 8px var(--page-gutter) 16px; background: #fff; border-bottom: 1px solid var(--color-border); }
  .site-nav.open { display: flex; }
  .site-nav a { min-height: 48px; }
  .site-nav .header-tools { margin-top: 12px; justify-content: space-between; }
  .hero-grid, .dyad-grid, .split, .home-duo { grid-template-columns: 1fr; }
  .hero-figure { order: 3; }
  .hero-figure img { max-width: none; width: 100%; max-height: 320px; }
  .modalities { grid-template-columns: 1fr; gap: 24px; }
  .process-cta { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
  .archive-masthead { background-image: none; }
  .archive-masthead__copy { max-width: none; }
  .detail-head--banner { background-image: none; }
  .detail-head--banner .detail-head__copy { max-width: none; }
  .pillars { grid-template-columns: 1fr; }
  .pillar + .pillar { border-left: 0; border-top: 1px solid var(--color-border); }
  .process { grid-template-columns: 1fr; }
  .publication-row { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .gallery-grid, .archive-toolbar, .photo-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .link-arrow::after { transition: none; }
}