/* Studio A V3: shared public chrome. Product artwork keeps its own identity. */
:root {
  --studio-paper: #fefdfb;
  --studio-surface: #fffefa;
  --studio-soft: #f5f1ec;
  --studio-ink: #302f28;
  --studio-muted: #666158;
  --studio-line: #ded9d0;
  --studio-accent: #925064;
  --studio-accent-strong: #763c4e;
  --studio-radius: 12px;
  --studio-font: -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", sans-serif;
}
html[data-theme="dark"] {
  --studio-paper: #1d191c;
  --studio-surface: #282226;
  --studio-soft: #332b30;
  --studio-ink: #f6eee9;
  --studio-muted: #c4b7b0;
  --studio-line: #51424a;
  --studio-accent: #e5a5b5;
  --studio-accent-strong: #f5c8d3;
}
html { scroll-padding-top: 92px; }
body.studio-v3:not(.studio-comic):not(.studio-media) {
  background: var(--studio-paper);
  color: var(--studio-ink);
  font-family: var(--studio-font);
  --paper: var(--studio-paper);
  --bg: var(--studio-paper);
  --surface: var(--studio-surface);
  --surface-soft: var(--studio-soft);
  --ink: var(--studio-ink);
  --text: var(--studio-ink);
  --muted: var(--studio-muted);
  --line: var(--studio-line);
  --rule: var(--studio-line);
  --accent: var(--studio-accent);
  --accent-strong: var(--studio-accent-strong);
  --white: var(--studio-surface);
  --sans: var(--studio-font);
}
.studio-v3::before { content: none; }
.studio-v3 ::selection { background: #ead2d7; color: #302f28; }
.studio-v3 :focus-visible { outline: 3px solid var(--studio-accent); outline-offset: 4px; }
.studio-v3 a { text-underline-offset: 5px; }
.studio-v3 .site-header,
.studio-v3 .topbar,
.studio-v3 .comic-header {
  background: var(--studio-paper);
  border-bottom-color: var(--studio-line);
  backdrop-filter: none;
}
.studio-v3 .brand { font-family: var(--studio-font); font-size: 21px; }
.studio-v3 .brand-mark,
.studio-v3 .mark { background: var(--studio-accent); color: var(--studio-paper); }
.studio-v3 .button { font-family: var(--studio-font); border-radius: 9px; font-size: 16px; line-height: 1.5; padding: 11px 20px; }
.studio-v3 .button.primary { background: var(--studio-accent); color: var(--studio-paper); box-shadow: none; }
.studio-v3 .button.secondary { background: transparent; border-color: var(--studio-line); }
.studio-v3 .tiny-note { font-family: var(--studio-font); font-size: 14px; line-height: 1.65; }
.studio-v3 .nav-links a { font: 550 16px/1.4 var(--studio-font); }
.studio-v3 .text-link { color: var(--studio-accent); font-family: var(--studio-font); }
.studio-v3 .site-footer { background: var(--studio-paper); border-color: var(--studio-line); }
.studio-v3 .footer-row { font: 14px/1.7 var(--studio-font); }
/* Homepage keeps the existing routes, tabs and content; only presentation changes. */
.studio-home { font-size: 18px; --page: min(1216px, calc(100vw - 48px)); }
.studio-home .hero { padding: 58px 0 54px; }
.studio-home .hero h1 > span { display: block; }
.studio-home .hero-grid.hero-compact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.studio-home .hero-copy-block { max-width: none; }
.studio-home .hero h1 { margin: 0 0 24px; font-size: clamp(42px, 4.3vw, 62px); line-height: 1.24; letter-spacing: -.035em; }
.studio-home .hero-lede { font-size: 24px; line-height: 1.65; max-width: 530px; }
.studio-home .hero-support { font-size: 17px; max-width: 520px; line-height: 1.8; margin-bottom: 26px; }
.studio-home .section { padding: 42px 0; border-top: 1px solid var(--studio-line); }
.studio-home h2 { font-size: clamp(27px, 2.4vw, 34px); line-height: 1.4; letter-spacing: -.02em; }
.studio-home .section-head { margin-bottom: 16px; }
.studio-home .section-intro { font-size: 18px; }
.studio-home .work-tabs { margin: 26px 0; gap: 10px; border: 0; padding: 0; }
.studio-home .work-tabs a { border: 1px solid var(--studio-line); border-radius: 999px; padding: 10px 20px; font: 550 17px/1.5 var(--studio-font); background: transparent; }
.studio-home .work-tabs a[aria-selected="true"] { background: var(--studio-accent); color: var(--studio-paper); border-color: var(--studio-accent); }
.studio-home .teaching-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.studio-home .teaching-grid .work-card { display: flex; flex-direction: column; background: transparent; border: 0; border-radius: 0; box-shadow: none; overflow: visible; }
.studio-home .teaching-grid .poster-button { height: auto; width: 100%; overflow: hidden; border-radius: var(--studio-radius); background: var(--studio-soft); }
.studio-home .teaching-grid .poster-button img { display: block; width: 100%; height: auto; aspect-ratio: 1783 / 970; object-fit: contain; }
.studio-home .work-card-copy { padding: 18px 0 0; }
.studio-home .work-card h3 { font-size: 23px; line-height: 1.5; }
.studio-home .work-card-copy > p { font-size: 17px; }
.studio-home .work-formats { align-items: flex-start; }
.studio-home .work-history { font: 15px/1.8 var(--studio-font); }
.studio-home .x-slides-grid { gap: 25px; }
.studio-home .x-slide-card { background: transparent; border: 0; box-shadow: none; }
.studio-home .x-slide-cover { border-radius: var(--studio-radius); }
.studio-home .x-slide-cover img { object-fit: contain; }
.studio-home .x-slide-card > div { padding: 16px 0; }
.studio-home .x-demo-entry { background: var(--studio-soft); border-color: var(--studio-line); border-radius: var(--studio-radius); }
.studio-home .legion-showcase { background: var(--studio-surface); border: 1px solid var(--studio-line); border-radius: var(--studio-radius); box-shadow: none; }
.studio-home .compact-columns > article { background: var(--studio-surface); border-color: var(--studio-line); border-radius: var(--studio-radius); padding: 25px; }
.studio-home .learning-section { background: var(--studio-soft); }
.studio-home .learning-compact { display: block; }
.studio-home .learning-compact > div:first-child { max-width: 800px; }
.studio-home #work-with-leon { background: var(--studio-soft); }
.studio-home .cooperation > article { background: var(--studio-paper); }
.studio-home .cooperation-boundary { font-family: var(--studio-font); font-size: 15px; }
.studio-example { min-width: 0; border: 1px solid var(--studio-line); background: var(--studio-surface); border-radius: 15px; overflow: hidden; box-shadow: 0 14px 40px #00000008; }
.studio-example-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 17px 23px; background: var(--studio-soft); }
.studio-example-head h2 { font-size: 17px; margin: 0; letter-spacing: 0; }
.studio-example-head span { font-size: 12px; color: var(--studio-muted); white-space: nowrap; }
.studio-example-note { padding: 22px 25px 16px; margin: 0; font-size: 20px; line-height: 1.75; }
.studio-example-results { margin: 0 25px 20px; padding-top: 12px; border-top: 1px solid var(--studio-line); }
.studio-example-results div { display: flex; gap: 18px; align-items: baseline; margin-top: 10px; }
.studio-example-results dt { flex-shrink: 0; border-radius: 5px; padding: 3px 9px; font-size: 14px; background: var(--studio-soft); color: var(--studio-accent); }
.studio-example-results dd { margin: 0; font-size: 17px; }
.studio-example-check { background: var(--studio-soft); padding: 14px 25px; margin: 0; font-size: 14px; }
.studio-example-transfer { padding: 18px 25px 22px; }
.studio-example-transfer h3 { font-size: 18px; color: var(--studio-accent); margin-bottom: 8px; }
.studio-example-transfer p { font-size: 16px; margin-bottom: 12px; }
.studio-method-steps { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 28px; margin: 28px 0; }
.studio-method-steps > div { border-top: 2px solid var(--studio-accent); padding-top: 16px; }
.studio-method-steps h3 { font-size: 21px; margin-bottom: 8px; }
.studio-method-steps p { font-size: 17px; }
/* A lightweight shared header on standalone product pages, not inside artwork. */
.studio-family-bar { box-sizing: border-box; background: var(--studio-paper); color: var(--studio-ink); border-bottom: 1px solid var(--studio-line); padding: 12px max(20px, calc((100vw - 1216px)/2)); display: flex; justify-content: space-between; gap: 18px; align-items: center; font: 16px/1.5 var(--studio-font); }
.studio-family-bar a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; color: var(--studio-accent); }
.studio-family-bar .studio-family-brand { font-size: 21px; font-weight: 700; color: var(--studio-ink); }
.studio-family-brand span { display: grid; place-items: center; width: 35px; height: 35px; margin-right: 10px; border-radius: 9px; background: var(--studio-accent); color: var(--studio-paper); font-size: 14px; }
.studio-product .wrap { max-width: 1216px; }
.studio-product .mast { border-color: var(--studio-line); }
.studio-product .features li { border: 1px solid var(--studio-line); border-radius: var(--studio-radius); background: var(--studio-surface); }
.studio-product .feature-n { color: var(--studio-accent); }
.studio-product .frame { border-radius: var(--studio-radius); background: var(--studio-surface); }
.studio-product .hero h1 { letter-spacing: -.03em; }
.studio-product .eyebrow { font-family: var(--studio-font); letter-spacing: 0; }
/* Retain tool-specific green selection/status and legacy media artwork. */
.studio-tool .topbar { position: relative; }
.studio-tool .topbar .mark { background: var(--studio-accent); }
.studio-tool .hero h1 { font-size: clamp(36px, 5vw, 62px); line-height: 1.2; letter-spacing: -.03em; }
.studio-tool .eyebrow { display: none; }
.studio-guide { --studio-paper: #fefdfb; }
.studio-guide header { background: var(--studio-paper); }
@media(max-width:1000px) {
  .studio-home .hero-grid.hero-compact { gap: 28px; }
  .studio-home .nav-links { gap: 12px; }
  .studio-home .nav-links a { font-size: 15px; }
  .studio-example-head { align-items: flex-start; flex-direction: column; gap: 4px; }
}
@media(max-width:850px) {
  .studio-home .hero-grid.hero-compact { grid-template-columns: 1fr; }
  .studio-home .hero { padding: 34px 0; }
  .studio-home .hero h1 { font-size: clamp(38px, 7vw, 52px); }
  .studio-home .hero-lede { font-size: 22px; }
  .studio-home .hero-support { font-size: 17px; }
  .studio-home .teaching-grid { grid-template-columns: 1fr; }
  .studio-method-steps { grid-template-columns: 1fr; gap: 20px; }
  .studio-family-bar { flex-wrap: wrap; gap: 0 16px; padding: 8px 20px; }
  .studio-family-bar .studio-family-brand { font-size: 19px; }
}
@media(max-width:620px) {
  .studio-home { --page: calc(100vw - 36px); }
  .studio-home .brand { font-size: 19px; }
  .studio-home .nav { gap: 9px; }
  .studio-home .section { padding: 32px 0; }
  .studio-home .work-tabs a { font-size: 16px; padding: 9px 14px; }
  .studio-example-note { font-size: 19px; }
  .studio-example-head,.studio-example-note,.studio-example-check,.studio-example-transfer { padding-left: 18px; padding-right: 18px; }
  .studio-example-results { margin-left: 18px; margin-right: 18px; }
  .studio-home .button { max-width: 100%; }
}
@media(prefers-reduced-motion:reduce) { .studio-v3 * { scroll-behavior: auto !important; transition: none !important; } }