/* Extensions to the approved Backhouse project-led layout. */
::selection { background:var(--accent); color:var(--paper); }
input,textarea { caret-color:var(--accent); }
.header nav { flex-wrap:wrap; }
.feature-media { display:grid; grid-template-columns:1.6fr 1fr; gap:20px; align-items:stretch; }
.feature-media img { height:100%; min-height:0; aspect-ratio:1.5; object-fit:cover; }
.iride-feature-media { grid-template-columns:1.225fr 1.5fr; align-items:start; }
.feature-media.iride-feature-media img { height:auto; aspect-ratio:auto; object-fit:contain; }
.box-altitude-feature-media .feature-lead { object-fit:contain; object-position:left center; padding:20px 0; }
.box-altitude-feature-media .feature-support { object-fit:contain; background:#fff; padding:20px; }
.svens-island-feature-media { grid-template-columns:1.35fr .8fr .8fr; }
.svens-island-feature-media .feature-product { background:#fff; object-fit:contain; padding:28px; }
.feature-media:focus-visible { outline-offset:8px; }
.work>.featured-story+.featured-story { padding-top:36px; border-top:1px solid var(--line); }
.cycling-selection,.thoughts-teaser { margin:0 4% 72px; }
.collection-grid { display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.collection-image { background:white; aspect-ratio:1.7; }
.collection-image img { height:100%; object-fit:contain; padding:28px; }
.collection-image.black-spoke-preview img { padding:0; }
.collection-heading { display:flex; justify-content:space-between; gap:24px; align-items:center; margin:22px 0 10px; }
.collection-heading h3 { font-size:28px; line-height:1.2; font-weight:500; letter-spacing:-.025em; }
.collection-link p { font-size:16px; line-height:1.5; color:var(--muted); }
.collection-link:hover h3 { color:var(--accent); }
.thoughts-teaser-content { display:grid; grid-template-columns:2fr 1fr; gap:32px; padding:12px 0 24px; }
.thoughts-teaser-content h3 { font-size:clamp(30px,3.8vw,54px); letter-spacing:-.03em; line-height:1.12; font-weight:500; }
.thoughts-teaser-content p { font-size:18px; line-height:1.6; max-width:42ch; }
.thoughts-teaser h3 a:hover { color:var(--accent); }
.portfolio-index-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px 28px; }
.portfolio-index-grid .project-image { aspect-ratio:1.5; background:#fff; }
.portfolio-index-grid .project-image img { width:100%; height:100%; object-fit:cover; }
.portfolio-index-grid a[href*="svens"] .project-image img,.portfolio-index-grid a[href*="black-spoke"] .project-image img,.portfolio-index-grid a[href*="cycling-design"] .project-image img { object-fit:contain; padding:28px; }
.portfolio-index-grid .project-caption { grid-template-columns:1fr; gap:8px; }
.portfolio-index-grid .project-caption h3 { font-weight:500; }

.case-study { --case-space:clamp(48px,6vw,88px); padding:0 4%; }
.case-story-intro { padding:40px 0 48px; }
.case-story-intro .back-link,.thought-article .back-link { display:inline-flex; align-items:center; gap:12px; min-height:44px; margin-bottom:32px; }
.case-story-intro .back-link svg,.thought-article .back-link svg { order:-1; transform:rotate(180deg); width:20px; }
.case-intro-grid { display:grid; grid-template-columns:1.2fr 1fr; gap:6%; align-items:start; }
.case-study h1 { font-size:clamp(38px,4.7vw,70px); font-weight:500; line-height:1.08; letter-spacing:-.035em; }
.case-meta { display:grid; grid-template-columns:1fr 1.3fr; gap:24px; margin:0 0 28px; font-size:15px; line-height:1.6; }
.case-meta dt { font-size:13px; color:var(--muted); margin-bottom:10px; }
.case-meta dd { margin:0; }
.case-overview>p { font-size:clamp(18px,1.5vw,22px); line-height:1.5; max-width:48ch; }
.case-opening img { aspect-ratio:2.1; object-fit:cover; object-position:center; }
.case-iride .case-opening img { object-position:center 35%; }
.case-box .case-opening img { aspect-ratio:1.5; }
.case-cycling .case-opening img { aspect-ratio:1.5; object-position:center; }
.case-study h2 { font-size:clamp(32px,3.4vw,50px); line-height:1.12; letter-spacing:-.03em; font-weight:500; text-wrap:balance; }
.case-story-row { display:grid; grid-template-columns:1fr 1fr; gap:7%; padding:var(--case-space) 0; }
.case-copy { font-size:18px; line-height:1.65; max-width:65ch; }
.case-copy p+p { margin-top:20px; }
.case-copy a { text-decoration:underline; text-underline-offset:4px; }
.case-gallery { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:28px; align-items:start; }
.case-gallery.three-up { grid-template-columns:repeat(3,minmax(0,1fr)); }
.case-gallery .case-media img { aspect-ratio:4/3; object-fit:cover; }
.case-gallery .artwork img { object-fit:contain; background:#fff; }
.case-gallery .portrait-art img { aspect-ratio:4/5; padding:20px; }
.case-gallery .product-art img,.case-media.product-art img { object-fit:contain; background:#fff; padding:28px; aspect-ratio:1; }
.case-gallery .landscape-art img { aspect-ratio:1.5; }
.club-gallery { grid-template-columns:1.35fr .65fr; align-items:end; }
.club-gallery .photo img { aspect-ratio:auto; height:auto; object-fit:contain; }
.club-gallery .artwork img { aspect-ratio:4/5; }
.iride-club-story { display:grid; grid-template-columns:1fr 1fr; gap:7%; align-items:center; padding-bottom:var(--case-space); }
.iride-club-story h2 { margin-bottom:28px; }
.case-media.wide-artwork img { background:#fff; }
.brochure-detail { margin-top:32px; }
.case-media.screen-artwork { max-width:960px; }
.case-more { margin:var(--case-space) 0 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.case-more>summary { display:flex; align-items:center; justify-content:space-between; gap:24px; list-style:none; min-height:110px; padding:24px 0; font-size:clamp(22px,2.1vw,30px); font-weight:500; letter-spacing:-.02em; }
.case-more>summary::-webkit-details-marker { display:none; }
.case-more>summary:focus-visible { outline:2px solid var(--accent); outline-offset:5px; }
.case-more>summary:hover { color:var(--accent); }
.case-more>summary small { display:block; font-size:14px; font-weight:400; letter-spacing:0; color:var(--muted); margin-top:8px; }
.case-more>summary>svg { width:28px; height:28px; flex:none; }
.case-more[open]>summary>svg { transform:rotate(45deg); }
.case-more-content { padding:28px 0 40px; }
.case-more-content .case-story-row { padding-top:16px; padding-bottom:32px; }
.case-links { display:flex; flex-wrap:wrap; gap:12px 28px; margin-top:32px; }
.case-links a { display:inline-flex; align-items:center; min-height:44px; font-size:16px; text-decoration:underline; text-decoration-thickness:1px; text-underline-offset:4px; }
.case-links a:hover { color:var(--accent); }
.case-credit { margin-top:22px; font-size:13px; line-height:1.6; color:var(--muted); }
.svens-opening { display:grid; grid-template-columns:1.2fr 1fr; gap:28px; }
.svens-opening img { height:clamp(300px,36vw,530px); object-fit:cover; }
.svens-opening .packaging-carton img { object-fit:contain; background:#fff; padding:28px; }
.black-spoke-opening { background:#fff; }
.black-spoke-mark { background:#223e90; padding:24px; }
.black-spoke-mark img { width:min(100%,580px); height:auto; margin:auto; }
.black-spoke-kit { display:grid; grid-template-columns:.8fr 1.2fr; gap:28px; padding:32px; align-items:center; }
.black-spoke-kit img { height:clamp(220px,25vw,380px); object-fit:contain; }
.black-spoke-kit .jersey-stage img { height:clamp(250px,28vw,420px); }
.jersey-stage { position:relative; background:#fff; }
.jersey-stage::after { content:""; position:absolute; left:50%; bottom:12%; width:36%; height:1.6%; border-radius:50%; background:rgb(20 24 34 / 16%); filter:blur(6px); transform:translateX(-50%); pointer-events:none; }
.black-spoke-kit .jersey-stage::after { bottom:7%; width:30%; }
.case-gallery .vehicle-photo img { padding:0; }
.kit-chapter { padding:40px 0; border-top:1px solid var(--line); }
.kit-chapter-heading { display:grid; grid-template-columns:1fr 1fr; gap:7%; margin-bottom:32px; }
.kit-chapter-heading p,.black-spoke-related p { font-size:18px; line-height:1.6; max-width:60ch; }
.black-spoke-related { display:grid; grid-template-columns:1fr 1fr; align-items:center; gap:7%; }
.black-spoke-related h2 { margin-bottom:24px; }
.black-spoke-related figure { max-width:400px; justify-self:end; }

.thoughts-index { margin:60px 4% 0; }
.thoughts-index header { margin-bottom:64px; }
.thoughts-index h1,.thought-article h1 { font-size:clamp(40px,5.5vw,80px); font-weight:500; line-height:1.08; letter-spacing:-.035em; }
.thoughts-index header p { font-size:21px; line-height:1.5; margin-top:28px; }
.thoughts-index article { border-top:1px solid var(--line); padding-top:28px; max-width:920px; }
.thoughts-index h2 { font-size:clamp(32px,3.7vw,54px); line-height:1.15; letter-spacing:-.03em; font-weight:500; margin:24px 0; }
.thoughts-index article>p:not(.article-meta) { font-size:19px; line-height:1.6; }
.thought-article { padding:40px 4% 0; }
.thought-article header { max-width:1100px; }
.article-standfirst { font-size:clamp(21px,2.2vw,30px); line-height:1.45; max-width:40ch; margin-top:32px; }
.article-meta { font-size:14px; line-height:1.5; color:var(--muted); }
.thought-article .article-meta { margin-top:24px; }
.article-body { margin:64px 0 0 auto; max-width:42rem; font-size:20px; line-height:1.7; }
.article-body p+p { margin-top:24px; }
.article-body h2 { font-size:clamp(28px,3vw,40px); font-weight:500; letter-spacing:-.025em; line-height:1.2; margin:48px 0 20px; }
.article-body .article-reading { font-size:15px; border-top:1px solid var(--line); padding-top:24px; margin-top:40px; }
.article-reading a { text-decoration:underline; text-underline-offset:3px; }
.article-reading a:hover { color:var(--accent); }
@media (min-width:701px) and (max-width:1000px) {
  .case-intro-grid { grid-template-columns:1fr; gap:32px; }
  .case-overview { display:grid; grid-template-columns:1fr 1fr; gap:28px; }
  .case-meta { margin-bottom:0; }
  .header { flex-wrap:wrap; gap:20px; }
  .header nav { margin-left:auto; }
  .thoughts-teaser-content { grid-template-columns:1fr 1fr; }
}
@media (max-width:700px) {
  .header { gap:20px; }
  .header nav { gap:4px 18px; justify-content:flex-start; }
  .header nav .contact-link { margin-left:auto; }
  .feature-media { grid-template-columns:1fr 1fr; gap:12px; }
  .feature-media .feature-lead { grid-column:1/-1; height:auto; aspect-ratio:1.5; }
  .feature-media .feature-support { grid-column:1/-1; aspect-ratio:1.6; height:auto; }
  .box-altitude-feature-media .feature-lead { padding:0; }
  .box-altitude-feature-media .feature-support { aspect-ratio:1.5; padding:16px; }
  .svens-island-feature-media .feature-product { aspect-ratio:1; padding:16px; }
  .work>.featured-story+.featured-story { padding-top:28px; }
  .cycling-selection,.thoughts-teaser { margin:0 6% 48px; }
  .cycling-selection .section-label { flex-wrap:wrap; gap:12px; }
  .collection-grid,.portfolio-index-grid { grid-template-columns:1fr; gap:32px; }
  .collection-image { aspect-ratio:1.5; }
  .collection-image img { padding:24px; }
  .collection-heading h3 { font-size:26px; }
  .thoughts-teaser-content { grid-template-columns:1fr; gap:24px; }
  .portfolio-index-grid .project-caption { padding-bottom:4px; }
  .portfolio-index-grid { margin-bottom:44px; }
  .case-study { padding:0 6%; }
  .case-story-intro { padding:24px 0 32px; }
  .case-story-intro .back-link { margin-bottom:24px; }
  .case-intro-grid { grid-template-columns:1fr; gap:28px; }
  .case-study h1 { font-size:clamp(32px,8.1vw,54px); }
  .case-meta { gap:16px; font-size:14px; margin-bottom:24px; }
  .case-opening img { aspect-ratio:4/3; }
  .case-story-row,.kit-chapter-heading { grid-template-columns:1fr; gap:24px; }
  .case-study h2 { font-size:clamp(30px,7.3vw,42px); }
  .case-copy,.kit-chapter-heading p,.black-spoke-related p { font-size:17px; }
  .case-gallery,.case-gallery.three-up { grid-template-columns:1fr; gap:28px; }
  .case-gallery .product-art img { aspect-ratio:1.2; padding:24px; }
  .case-gallery .portrait-art img { max-height:520px; padding:16px; }
  .club-gallery .artwork { max-width:320px; }
  .iride-club-story { grid-template-columns:1fr; gap:28px; }
  .case-gallery.three-up .case-media img { max-height:420px; }
  .case-more>summary { min-height:100px; font-size:23px; }
  .svens-opening { grid-template-columns:1fr; gap:28px; }
  .svens-opening img { height:auto; aspect-ratio:1.3; }
  .svens-opening .packaging-carton img { height:320px; }
  .black-spoke-mark { padding:16px; }
  .black-spoke-kit { grid-template-columns:1fr; gap:24px; padding:24px; }
  .black-spoke-kit img { height:240px; }
  .black-spoke-kit .jersey-stage img { height:276px; }
  .kit-chapter { padding:32px 0; }
  .black-spoke-related { grid-template-columns:1fr; gap:28px; }
  .black-spoke-related figure { max-width:none; justify-self:stretch; }
  .thoughts-index { margin:40px 6% 0; }
  .thoughts-index header { margin-bottom:44px; }
  .thoughts-index h1,.thought-article h1 { font-size:clamp(34px,8.2vw,56px); }
  .thought-article { padding:24px 6% 0; }
  .article-body { margin-top:44px; font-size:18px; line-height:1.65; }
}
@media (max-width:380px) {
  .header nav { gap:4px 14px; font-size:13px; }
}