/* Shared amber studio identity. Existing content and native light/dark preference remain. */
:root {
  --b-bg: #fafaf7; --b-paper: #fff; --b-soft: #f0f0ec;
  --b-ink: #161616; --b-text: #515151; --b-line: #d8d8d2;
  --b-accent: #a84400; --b-orange: #ff7a13;
  --core-orange: #ff7a13; --core-radius: 0;
  --core-paper: #fafaf7; --core-warm: #f0f0ec;
  --studio-bg: #fafaf7; --studio-ink: #161616; --studio-text: #515151; --studio-line: #d8d8d2;
}
[data-theme=dark] {
  --b-bg: #080808; --b-paper: #111; --b-soft: #151515;
  --b-ink: #f7f7f7; --b-text: #bcbcbc; --b-line: #303030;
  --b-accent: #ff913d; --core-paper: #080808; --core-warm: #151515;
  --studio-bg: #080808; --studio-ink: #f7f7f7; --studio-text: #bcbcbc; --studio-line: #303030;
}
.blog-page { font-family: Manrope, 'Open Sans', sans-serif; line-height: 1.8; }
.blog-page h1, .blog-page h2, .blog-page h3, .blog-page h4 {
  font-family: Manrope, sans-serif; font-weight: 800; letter-spacing: -.045em; line-height: 1.15;
}
.blog-page .b-header { position: sticky; top: 0; z-index: 100; background: var(--studio-bg); border-bottom: 1px solid var(--studio-line); backdrop-filter: none; }
.b-header .b-nav { min-height: 76px; max-width: 1400px; padding-top: 10px; padding-bottom: 10px; gap: 20px; }
.b-header .b-brand { width: 158px; flex: 0 0 158px; padding: 0; background: transparent; border-radius: 0; }
.b-header .b-brand img { display: block; padding: 7px; background: #fafaf7; border-radius: 0; }
.b-header .b-links { gap: 22px; }
.b-header .b-links a { color: var(--studio-text); font: 600 .82rem/1.4 Manrope, sans-serif; text-transform: none; letter-spacing: 0; }
.b-header .b-links a:hover, .b-header .b-links a:focus-visible { color: #ff913d; }
.b-header .locale-switch { gap: 8px; padding: 0; border: 0; border-radius: 0; background: transparent; }
.b-header .locale-switch a { color: var(--studio-text); border-radius: 0; min-width: 22px; min-height: 32px; padding: 3px 0; border-bottom: 2px solid transparent; }
.b-header .locale-switch a[aria-current], .b-header .locale-switch a:hover { background: transparent; color: var(--studio-ink); border-bottom-color: #ff7a13; }
.b-header .b-theme, .b-header .b-menu { width: 34px; height: 34px; border: 1px solid var(--studio-line); border-radius: 0; background: transparent; color: var(--studio-ink); font-size: 1.15rem; }
.blog-page .b-button {
  position: relative; isolation: isolate; overflow: hidden; border: 0; border-radius: 0;
  background: #ff7a13; color: #111; min-height: 50px; padding: 15px 23px;
  font: 700 .92rem/1.5 Manrope, sans-serif; letter-spacing: 0; text-transform: none;
  box-shadow: none; transform: none; transition: background 180ms ease;
}
.blog-page .b-button::before {
  content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: url('/img/portfolio/diagonal-hover.webp') repeat; background-size: 256px;
  opacity: 0; transition: opacity 180ms ease;
}
.blog-page .b-button:hover, .blog-page .b-button:focus-visible { background: #ff943d; transform: none; box-shadow: none; }
.blog-page .b-button:hover::before, .blog-page .b-button:focus-visible::before { opacity: .14; animation: studio-stripes 5s linear infinite; }
.blog-page :is(a,button,summary,input,textarea):focus-visible { outline: 2px solid #ff913d; outline-offset: 5px; }
.blog-page .b-text-link { font-family: Manrope, sans-serif; font-weight: 700; letter-spacing: 0; text-transform: none; }
.site-home .b-wrap { max-width: 1400px; }
.site-home .core-section { padding: 88px 0; }
.site-home .core-section h2 { font-size: clamp(2.2rem, 4.3vw, 4.2rem); line-height: 1.12; }
.site-home .section-heading { align-items: start; gap: 60px; margin-bottom: 40px; }
.site-home .section-heading h2 { max-width: 740px; }
.site-home .section-heading > p { max-width: 400px; margin: 8px 0 0; font-size: 1rem; line-height: 1.8; }

/* The approved hero: editable HTML over the supplied cinematic scene. */
.site-home .core-hero { position: relative; isolation: isolate; overflow: hidden; padding: 0; background: var(--studio-bg); color: var(--studio-ink); }
.site-home .hero-layout.b-wrap { position: relative; min-height: 740px; height: min(850px, calc(100svh - 76px)); max-width: 1400px; display: flex; align-items: center; }
.site-home .hero-copy { position: relative; width: 650px; max-width: 55%; z-index: 2; padding: 70px 0 85px; }
.site-home .hero-copy h1 { color: var(--studio-ink); font: 800 clamp(3rem, 5.9vw, 5.8rem)/1.06 Manrope, sans-serif; letter-spacing: -.055em; max-width: 680px; margin: 0; }
.site-home .hero-copy h1 span { color: #ff7a13; text-decoration: underline; text-decoration-thickness: 5px; text-underline-offset: 12px; white-space: nowrap; }
.site-home .hero-copy .hero-lead { color: var(--studio-ink); max-width: 490px; font-size: clamp(1.1rem, 1.7vw, 1.45rem); line-height: 1.55; margin: 30px 0 26px; }
.site-home .hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; }
.site-home .hero-actions .b-text-link { color: var(--studio-text); font-size: .84rem; }
.site-home .hero-actions .b-button { padding: 18px 28px; font-size: 1.05rem; }
.site-home .hero-copy .remote-note { color: var(--studio-text); font-size: .75rem; line-height: 1.7; margin: 22px 0 0; }
.site-home .remote-note > span { display: none; }
.site-home .hero-art { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0 !important; z-index: -1; animation: none; pointer-events: none; }
.site-home .hero-art .hero-scene {
  display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; border-radius: 0;
  opacity: 1; transform: translate3d(var(--scene-x, 0px), var(--scene-y, 0px), 0) scale(1.035);
  transition: transform 800ms cubic-bezier(.2,.7,.3,1);
  animation: studio-light 12s ease-in-out infinite;
  mask-image: linear-gradient(to bottom, black 84%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 84%, transparent 100%);
  mask-composite: add; -webkit-mask-composite: source-over;
}
html[lang=en] .site-home .hero-copy h1, html[lang=es] .site-home .hero-copy h1 { font-size: clamp(2.8rem, 4.9vw, 4.9rem); }

/* Three service families; detailed scope is native, readable HTML. */
.site-home #servicos { background: var(--studio-bg); color: var(--studio-ink); padding-top: 72px; border-top: 1px solid var(--studio-line); }
#servicos .section-heading h2 { color: var(--studio-ink); }
#servicos .section-heading > p { color: var(--studio-text); }
#servicos .services-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; align-items: start; }
#servicos .service-card { position: relative; isolation: isolate; overflow: hidden; border: 1px solid var(--studio-line); border-radius: 0; background: var(--studio-bg); box-shadow: none; transform: none; transition: border-color 200ms; }
#servicos .service-card::before { content: ''; position: absolute; inset: 0; pointer-events: none; z-index: -1; background: url('/img/portfolio/diagonal-hover.webp') repeat; background-size: 256px; opacity: 0; transition: opacity 200ms; }
#servicos .service-card:hover, #servicos .service-card:focus-within { border-color: #a54b09; transform: none; }
#servicos .service-card:hover::before, #servicos .service-card:focus-within::before { opacity: .55; animation: studio-stripes 5s linear infinite; }
#servicos .service-card > div { padding: 30px; }
#servicos .service-icon { width: 36px; height: 36px; margin: 0 0 28px; }
#servicos .service-card h3 { color: var(--studio-ink); font: 800 clamp(1.6rem, 2.3vw, 2.1rem)/1.15 Manrope, sans-serif; letter-spacing: -.04em; margin: 0; }
#servicos .service-card p { color: var(--studio-text); font-size: .95rem; line-height: 1.8; margin: 18px 0 20px; }
.service-detail { margin-top: 22px; border-top: 1px solid var(--studio-line); padding-top: 13px; }
.service-detail summary { cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px; list-style: none; min-height: 42px; color: var(--studio-ink); font-size: .82rem; font-weight: 700; }
.service-detail summary::-webkit-details-marker { display: none; }
.service-detail summary img { filter: invert(55%) sepia(100%) saturate(1900%) hue-rotate(348deg); transition: transform 200ms; }
.service-detail[open] summary img { transform: rotate(90deg); }
.service-scope { padding-top: 18px; animation: studio-detail 200ms ease-out; }
#servicos .service-scope h4 { color: var(--studio-ink); font-size: 1.03rem; margin: 0; line-height: 1.5; letter-spacing: -.02em; }
#servicos .service-scope p { font-size: .84rem; line-height: 1.75; margin: 7px 0 22px; }

/* Delivery: three visible steps, supporting detail on demand. */
.process-grid { gap: 34px; }
.process-grid li { padding: 24px 0 8px; border: 0; border-top: 1px solid var(--b-line); border-radius: 0; background: transparent; }
.process-grid li::before { display: none; }
.step-visual { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 28px; color: var(--b-accent); font: 800 4.5rem/1 Manrope, sans-serif; letter-spacing: -.06em; }
.step-visual img { width: 58px; height: 58px; filter: invert(48%) sepia(89%) saturate(1402%) hue-rotate(357deg) brightness(94%) contrast(96%); }
.process-grid h3 { font-size: 1.7rem; margin: 0; }
.process-grid .step-caption { font-size: 1rem; margin: 12px 0 20px; line-height: 1.65; }
.process-detail summary { font-size: .82rem; color: var(--b-accent); cursor: pointer; font-weight: 700; text-underline-offset: 5px; }
.process-detail p { font-size: .9rem; max-width: 350px; margin-top: 15px; animation: studio-detail 200ms ease-out; }
.results-disclosure { border-top: 1px solid var(--b-line); padding-top: 23px; margin-top: 38px; scroll-margin-top: 100px; }
.results-disclosure > summary { color: var(--b-ink); font-size: 1.05rem; font-weight: 700; cursor: pointer; }
.results-disclosure > p { max-width: 850px; font-size: .92rem; }
.results-disclosure dl { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 30px; }
.results-disclosure dt { font-size: 1.05rem; color: var(--b-ink); font-weight: 700; }
.results-disclosure dd { margin: 8px 0 0; font-size: .87rem; line-height: 1.75; }
.about-photo img { border-radius: 0; box-shadow: none; aspect-ratio: 4/3; object-fit: cover; object-position: 50% 18%; border-bottom: 3px solid #ff7a13; }
.about-layout { gap: 70px; }
.about-layout > div > p { max-width: 600px; }
.blog-page .goal-tabs button { border-radius: 0; font: 700 .87rem/1.5 Manrope,sans-serif; color: var(--b-ink); background: transparent; border: 1px solid var(--b-line); padding: 17px; }
.blog-page .goal-tabs button[aria-selected=true] { background: #ff7a13; border-color: #ff7a13; color: #111; }
.goal-panels { border: 1px solid var(--b-line); border-radius: 0; padding: 32px; background: var(--b-paper); }
.goal-panel h3 { font-size: 2rem; }
.goal-panel p { max-width: 780px; }
.discovery-intro { text-align: center; max-width: 960px; margin: 0 auto 48px; }
.discovery-intro h2 { max-width: 900px; margin-left: auto; margin-right: auto; }
.discovery-intro > p { max-width: 730px; margin: 20px auto 30px; }
.discovery-intro .discovery-search { max-width: 850px; margin: 0 auto; }
.discovery-intro .discovery-search .tabs { justify-content: center; }
.discovery-intro .discovery-search .tab { border-radius: 0; }
.site-home .discovery-intro .discovery-search .sbar { width: 100%; max-width: 760px; margin: 0 auto; }
.discovery-example .chrome-window, .discovery-example .chatgpt-win { border-radius: 0; }
.research-details { padding-top: 24px; }
.evidence-metrics > div { border-radius: 0; }

/* Editorial, contact and footer use the same lines, type and spacing. */
.blog-page .b-card, .blog-page .b-cta, .blog-page .b-author, .contact-layout form { border-radius: 0; box-shadow: none; }
.blog-page .b-card { transition: border-color 200ms ease; }
.blog-page .b-card:hover { transform: none; box-shadow: none; border-color: var(--b-accent); }
.blog-page .b-card-art { border-radius: 0; background: var(--studio-bg); }
.blog-page .b-card-art img { aspect-ratio: 16/10; object-fit: cover; border-radius: 0; }
.blog-page .b-card h2, .blog-page .b-card h3 { font: 800 1.5rem/1.3 Manrope,sans-serif; letter-spacing: -.04em; }
.blog-page .b-card-body { padding: 26px; }
.home-blog-grid .b-card-body > p { font-size: .87rem; line-height: 1.75; }
.blog-page .b-card-meta { color: var(--b-accent); font-size: .7rem; }
.blog-page .b-card-bottom { font-size: .72rem; }
.blog-page .b-blog-intro h1 { font-size: clamp(2.4rem,4vw,3.8rem); line-height: 1.08; letter-spacing: -.055em; text-transform: none; }
.blog-page .b-article-header h1 { font-size: clamp(2.4rem,4.6vw,4.5rem); line-height: 1.12; letter-spacing: -.05em; }
.blog-page .b-filters button { border-radius: 0; font-family: Manrope,sans-serif; }
.blog-page .b-faq details, .home-faq details { border-radius: 0; background: transparent; }
.blog-page .b-faq summary { font-family: Manrope,sans-serif; font-size: 1rem; line-height: 1.6; padding-top: 20px; padding-bottom: 20px; }
.b-prose { font-family: 'Open Sans',sans-serif; }
.b-prose h2, .b-prose h3 { font-family: Manrope,sans-serif; }
.blog-page .b-table-wrap, .b-prose .b-table-wrap, .blog-page .b-toc, .blog-page .b-answer { border-radius: 0; }
.article-cover img, .article-cover { border-radius: 0 !important; }
.contact-layout { gap: 70px; }
.contact-layout form { padding: 30px; border: 1px solid var(--b-line); background: var(--b-paper); }
.blog-page input, .blog-page textarea { border-radius: 0; border-color: var(--b-line); font-family: Manrope,sans-serif; }
.blog-page .b-footer { position: relative; background: var(--studio-bg); color: var(--studio-text); border-top: 1px solid #303030; }
.b-footer .b-footer-logo img { display: block; background: #fafaf7; padding: 7px; border-radius: 0; width: 160px; }
.b-footer .b-footer-grid a, .b-footer .b-footer-grid p { color: var(--studio-text); }
.b-footer .b-footer-grid a:hover { color: #ff913d; }
.b-footer .b-skyline { display: block; opacity: 1; filter: none; mask-image: none; -webkit-mask-image: none; border-radius: 0; }
@keyframes studio-stripes { to { background-position: 32px 0; } }
@keyframes studio-light { 0%,100% { filter: brightness(.98); } 50% { filter: brightness(1.045); } }
@keyframes studio-detail { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media(min-width:1101px) { .b-header .b-menu { display: none; } }
@media(max-width:1100px) {
  .b-header .b-nav { min-height: 72px; }
  .b-header .b-links { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 25px; border-bottom: 1px solid #333; background: var(--studio-bg); }
  .b-header .b-links.is-open { display: grid; gap: 23px; }
  .b-header .b-menu { display: grid; place-items: center; }
  .b-header .b-actions { margin-left: auto; }
  .site-home .hero-layout.b-wrap { height: auto; min-height: 680px; }
  .site-home .hero-copy { width: 57%; max-width: 57%; }
  .site-home .hero-copy h1 { font-size: clamp(3rem,5.8vw,4.6rem); }
  .site-home .hero-copy .hero-lead { max-width: 430px; font-size: 1.13rem; }
  .site-home .section-heading { gap: 35px; }
  #servicos .service-card > div { padding: 24px; }
  .about-layout, .contact-layout { gap: 40px; }
}
@media(max-width:800px) {
  .site-home .core-section { padding: 62px 0; }
  .site-home .section-heading { display: block; margin-bottom: 30px; }
  .site-home .section-heading > p { max-width: 650px; margin-top: 20px; }
  .site-home .hero-layout.b-wrap { display: flex; min-height: 690px; align-items: start; }
  .site-home .hero-copy { max-width: 78%; width: 78%; padding: 66px 0 70px; }
  .site-home .hero-copy h1 { font-size: clamp(2.8rem,6.6vw,4.4rem); }
  .site-home .hero-copy .hero-lead { max-width: 410px; }
  .site-home .hero-art .hero-scene { object-position: 59% center; opacity: .55; }
  #servicos .services-grid { grid-template-columns: 1fr; }
  #servicos .service-card > div { padding: 30px; }
  #servicos .service-card h3 { font-size: 1.9rem; }
  #servicos .service-icon { margin-bottom: 20px; }
  .process-grid { gap: 25px; }
  .process-grid h3 { font-size: 1.4rem; }
  .step-visual { font-size: 3.5rem; }
  .step-visual img { width: 44px; height: 44px; }
  .about-layout { gap: 32px; }
  .results-disclosure dl { grid-template-columns: 1fr; gap: 23px; }
}
@media(max-width:640px) {
  .b-header .b-nav { min-height: 68px; gap: 10px; padding-top: 9px; padding-bottom: 9px; }
  .b-header .b-brand { width: 125px; flex-basis: 125px; }
  .b-header .b-links a { font-size: .95rem; }
  .b-header .locale-switch { gap: 5px; }
  .b-header .b-actions { gap: 7px; }
  .site-home .core-section { padding: 52px 0; }
  .site-home .core-section h2 { font-size: clamp(2rem,7.8vw,3rem); }
  .site-home .hero-layout.b-wrap { min-height: 0; display: block; padding-top: 0; padding-bottom: 0; }
  .site-home .hero-copy { width: 100%; max-width: 100%; padding: 48px 0 30px; }
  .site-home .hero-copy h1 { font-size: clamp(2.4rem,8.8vw,3.5rem); max-width: 100%; }
  html[lang=en] .site-home .hero-copy h1, html[lang=es] .site-home .hero-copy h1 { font-size: clamp(2rem,7.8vw,3.2rem); }
  .site-home .hero-copy h1 span { text-decoration-thickness: 3px; text-underline-offset: 8px; white-space: normal; }
  .site-home .hero-copy .hero-lead { margin-top: 26px; font-size: 1rem; max-width: 100%; }
  .site-home .hero-actions { align-items: start; gap: 18px; }
  .site-home .hero-art { position: relative; inset: auto; width: calc(100% + 40px); height: 280px; margin-left: -20px !important; }
  .site-home .hero-art .hero-scene { opacity: 1; object-position: right center; transform: none; animation: none; mask-image: linear-gradient(to bottom,transparent,black 12%,black 80%,transparent); -webkit-mask-image: linear-gradient(to bottom,transparent,black 12%,black 80%,transparent); }
  .site-home .hero-copy .remote-note { max-width: 100%; }
  #servicos { padding-top: 42px; }
  #servicos .service-card > div { padding: 24px; }
  .process-grid { grid-template-columns: 1fr; gap: 30px; }
  .process-grid li { position: relative; padding: 23px 0 5px 84px; min-height: 132px; }
  .process-grid .step-visual { position: absolute; left: 0; top: 25px; display: block; font-size: 2.7rem; margin: 0; }
  .step-visual img { display: block; margin-top: 14px; width: 32px; height: 32px; }
  .process-grid h3 { font-size: 1.45rem; }
  .process-grid .step-caption { margin: 8px 0 13px; font-size: .9rem; }
  .process-detail p { font-size: .86rem; }
  .site-home .goal-panels { padding: 23px; }
  .goal-panel h3 { font-size: 1.65rem; }
  .blog-page .b-card-body { padding: 23px; }
  .blog-page .b-card h2, .blog-page .b-card h3 { font-size: 1.4rem; }
  .blog-page .b-article-header h1 { font-size: 2.15rem; line-height: 1.16; }
  .blog-page .b-blog-intro h1 { font-size: 2.7rem; }
  .contact-layout form { padding: 23px; }
}
@media(max-width:380px) {
  .b-header .b-brand { width: 100px; flex-basis: 100px; }
  .b-header .b-actions { gap: 5px; }
  .b-header .locale-switch { gap: 4px; }
  .b-header .locale-switch a { min-width: 21px; }
  .b-header .b-theme, .b-header .b-menu { width: 30px; height: 30px; }
  .site-home .hero-art { width: calc(100% + 32px); margin-left: -16px !important; }
}
@media(prefers-reduced-motion:reduce) {
  .site-home .hero-art .hero-scene { animation: none; transition: none; transform: none; }
  .blog-page .b-button::before, #servicos .service-card::before, .service-detail summary img, .blog-page .b-card { transition: none; animation: none !important; }
  .service-scope, .process-detail p { animation: none; }
}

/* Theme-aware surfaces, from the header through the project journey. */
html { scroll-padding-top: 110px; }
.site-home .core-section { scroll-margin-top: 90px; }
.site-home .journey-section { background: var(--b-soft); color: var(--b-text); }
.site-home .journey-section h2, .site-home .journey-section h3 { color: var(--b-ink); }
.site-home .journey-section .section-heading p, .site-home .goal-panel p { color: var(--b-text); }
.site-home .goal-panels { color: var(--b-ink); background: var(--b-paper); }
.site-home .goal-tabs button:not([aria-selected=true]):hover { background: var(--b-paper); border-color: var(--b-accent); }
[data-theme=light] .site-home .hero-art::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg,#fafaf7 0%,rgba(250,250,247,.98) 29%,rgba(250,250,247,.9) 43%,rgba(250,250,247,.08) 70%,transparent); }
[data-theme=light] .site-home .hero-copy h1 span { color: #ad4900; }
[data-theme=light] .project-tab::before, [data-theme=light] #servicos .service-card::before { mix-blend-mode: multiply; }
[data-theme=light] .project-tab[aria-selected=true] { background: #fff1e5; }
[data-theme=light] .project-tab[aria-selected=true]::before { opacity: .06; }
[data-theme=light] .project-tab:hover::before, [data-theme=light] .project-tab:focus-visible::before,
[data-theme=light] #servicos .service-card:hover::before, [data-theme=light] #servicos .service-card:focus-within::before { opacity: .1; }
[data-theme=light] .project-arrow { filter: none; }
[data-theme=light] .b-header .b-links a:hover, [data-theme=light] .b-header .b-links a:focus-visible { color: var(--b-accent); }

/* The studies are an ordinary visible section, not an accordion. */
.site-home .research-details { max-width: 1000px; margin: 60px auto 0; padding-top: 45px; text-align: center; }
.research-details #research-title { font-size: clamp(1.65rem,3vw,2.5rem); max-width: 850px; margin: 0 auto 24px; }
.site-home .research-details .evidence-layout { display: block; max-width: 900px; margin: 0 auto; padding: 0; }
.research-details .evidence-layout > div > p { max-width: 780px; margin-left: auto; margin-right: auto; }
.site-home .research-details .evidence-metrics { margin: 28px auto 20px; }
.research-details .evidence-sources { justify-content: center; }
.site-home .demo-caption { text-align: center; }

/* Focus Cards adapted to native accessible FAQ disclosures. */
.site-home .home-faq { max-width: 1400px; }
.home-faq > h2 { max-width: 950px; margin-bottom: 40px; }
.faq-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 18px; align-items: start; }
.home-faq .faq-card { position: relative; background: #101010; color: #f7f7f7; border: 1px solid #36302b; border-radius: 0; overflow: hidden; transition: border-color 240ms, box-shadow 240ms; }
.faq-card summary { position: relative; display: block; padding: 0; min-height: 0; cursor: pointer; list-style: none; font-size: 1.05rem; font-weight: 700; line-height: 1.5; letter-spacing: -.025em; }
.faq-card summary::-webkit-details-marker { display: none; }
.faq-card .faq-art { display: block; width: 100%; aspect-ratio: 4/3; height: auto; object-fit: cover; transition: filter 300ms,transform 500ms; }
.faq-copy { display: flex; flex-direction: column; gap: 15px; padding: 23px 22px 27px; min-height: 194px; border-top: 1px solid #2d2722; }
.faq-card .faq-number { color: #ff913d; font-size: .72rem; letter-spacing: .1em; font-weight: 600; }
.faq-symbol { position: absolute; width: 20px; height: 20px; bottom: 25px; right: 20px; color: #ff913d; transition: transform 200ms; }
.faq-symbol::before, .faq-symbol::after { content: ''; position: absolute; background: currentColor; width: 14px; height: 1.5px; top: 9px; left: 3px; }
.faq-symbol::after { transform: rotate(90deg); }
.faq-card[open] .faq-symbol { transform: rotate(180deg); }
.faq-card[open] .faq-symbol::after { transform: rotate(0); }
.home-faq .faq-card:hover, .home-faq .faq-card:focus-within, .home-faq .faq-card[open] { background: #101010; border-color: #ff7a13; box-shadow: 0 0 0 1px #ff7a1322; }
.faq-card:hover .faq-art, .faq-card:focus-within .faq-art { transform: scale(1.025); }
.faq-answer { padding: 0 22px 26px; animation: studio-detail 240ms ease-out; }
.site-home .faq-answer p { border-top: 1px solid #4b3221; padding-top: 20px; margin: 0; font-size: .88rem; line-height: 1.8; color: #c8c8c8; }
.faq-card summary:focus-visible { outline: 2px solid #ff913d; outline-offset: -5px; }
@media(hover:hover) and (pointer:fine) {
 .faq-grid:has(.faq-card:hover) .faq-card:not(:hover) .faq-art { filter: blur(1.5px) brightness(.6) saturate(.7); }
}
.faq-grid:has(.faq-card:focus-within) .faq-card:not(:focus-within) .faq-art { filter: blur(1.5px) brightness(.6); }
/* Lightweight vector architecture: no bitmap, extra request or inverted fade. */
.b-footer .city-skyline { display: block; width: 100%; height: clamp(150px,20vw,270px); color: #f47713; overflow: hidden; }
.city-skyline .city-grid { stroke: var(--b-line); stroke-width: .6; opacity: .6; }
.city-skyline .city-back { fill: currentColor; fill-opacity: .06; stroke: currentColor; stroke-opacity: .26; stroke-width: 1; }
.city-skyline .city-front { fill: url('#city-lines'); stroke: currentColor; stroke-width: 1.3; }
.city-skyline .city-front rect { fill-opacity: .16; }
.city-skyline .city-ground { stroke: currentColor; stroke-width: 1; }
.blog-page .b-footer { border-color: var(--b-line); }
@media(max-width:1000px) { .faq-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media(max-width:640px) {
  html { scroll-padding-top: 86px; }
  .site-home .core-section { scroll-margin-top: 76px; }
  [data-theme=light] .site-home .hero-art::after { background: linear-gradient(to bottom,#fafaf7,transparent 25%,transparent 70%,#fafaf7); }
  .faq-grid { grid-template-columns: 1fr; }
  .faq-card summary { min-height: 0; }
  .faq-copy { min-height: 160px; }
  .site-home .research-details { margin-top: 38px; padding-top: 32px; }
}
@media(prefers-reduced-motion:reduce) {
  .faq-card *, .faq-card summary::before { animation: none !important; transition: none; }
}

/* The same logo geometry, white ink for dark surfaces, original orange retained. */
.b-header .b-brand img, .b-footer .b-footer-logo img { background: transparent; }
.b-header .b-brand .brand-dark, .b-footer .b-footer-logo .brand-dark { display: none; }
[data-theme=dark] .b-header .b-brand .brand-light, [data-theme=dark] .b-footer .b-footer-logo .brand-light { display: none; }
[data-theme=dark] .b-header .b-brand .brand-dark, [data-theme=dark] .b-footer .b-footer-logo .brand-dark { display: block; }

/* Commercial directory: clear logo tiles, kept separate from official site previews. */
.site-home .directory-section { background: var(--b-paper); border-block: 1px solid var(--b-line); }
.directory-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 20px; }
.directory-card { display: block; padding: 20px; border: 1px solid var(--b-line); color: var(--b-ink); text-decoration: none; transition: border-color 200ms,background 200ms; }
.directory-card:hover, .directory-card:focus-visible { border-color: var(--b-accent); background: var(--b-soft); }
.directory-art { display: grid; place-items: center; aspect-ratio: 1; overflow: hidden; background: #fff; }
.directory-art img { display: block; width: 100%; height: 100%; object-fit: contain; }
.directory-card h3 { font-size: 1.3rem; margin: 22px 0 10px; }
.directory-link { font-size: .8rem; font-weight: 700; color: var(--b-accent); }
.cluster-nav { margin: 35px 0; padding: 26px; border: 1px solid var(--b-line); background: var(--b-soft); }
.blog-page .cluster-nav h2 { font-size: 1.4rem; margin: 0 0 22px; }
.cluster-nav > div { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 16px; }
.cluster-nav a { display: block; text-decoration: none; font-size: .85rem; line-height: 1.6; color: var(--b-ink); padding-top: 13px; border-top: 2px solid var(--b-line); }
.cluster-nav a > span { display: block; color: var(--b-accent); font: 700 .7rem Manrope,sans-serif; margin-bottom: 12px; }
.cluster-nav a:hover, .cluster-nav a[aria-current=page] { border-color: var(--b-accent); color: var(--b-accent); }
.b-prose .cluster-nav > div { grid-template-columns: 1fr; gap: 9px; }
.b-prose .cluster-nav a { display: flex; align-items: baseline; gap: 15px; padding-top: 9px; border-top-width: 1px; }
.b-prose .cluster-nav a > span { margin: 0; }
@media(max-width:900px) { .directory-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } .cluster-nav > div { grid-template-columns: 1fr 1fr; } }
@media(max-width:480px) { .directory-card { padding: 12px; } .directory-card h3 { font-size: 1rem; } .cluster-nav { padding: 20px; } .cluster-nav > div { grid-template-columns: 1fr; } }
