.hero { padding-top: clamp(1.7rem, 3vw, 2.7rem); }
.hero-index { display: flex; align-items: center; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: .625rem; }
.hero-index b { font-weight: 400; color: var(--accent); }
.hero-index-right { font-size: .625rem; }
.display-title { position: relative; font-family: var(--font-display); font-size: clamp(4rem, 22.75vw, 320px); font-weight: 900; letter-spacing: -.055em; line-height: .92; height: .98em; margin: .1em 0 .13em; white-space: nowrap; color: var(--text); text-align: left; }
.display-title > span { display: block; position: absolute; inset: 0; }
.title-upper { clip-path: polygon(0 0, 100% 0, 100% 48%, 0 55%); }
.title-lower { clip-path: polygon(0 57%, 100% 50%, 100% 100%, 0 100%); transform: translateX(.018em); }
.underground-intro { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: clamp(2.5rem, 7vw, 6rem); border-top: 1px solid var(--border); padding-top: 2.5rem; padding-bottom: 4rem; }
.hero-copy h2 { font-size: clamp(2.7rem, 5.25vw, 4.75rem); letter-spacing: -.065em; margin: 1rem 0 1.3rem; line-height: 1.02; }
.hero-copy .intro-text { max-width: 48ch; font-size: .99rem; color: var(--muted); line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem 1.7rem; margin-top: 2rem; }
.entry-ticket { align-self: center; color: var(--ticket-text); background: var(--ticket); position: relative; margin: .6rem .4rem; transform: rotate(2deg); padding: 1.4rem 2.2rem 1.5rem 1.6rem; box-shadow: 8px 8px 0 var(--panel-raised); }
.entry-ticket a:focus-visible { outline-color: var(--ticket-text); }
.entry-ticket::before { content: ''; position: absolute; top: -1px; bottom: -1px; right: 1.2rem; border-right: 1px dashed var(--ticket-text); opacity: .5; }
.ticket-top { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid currentColor; padding-bottom: .85rem; font: .625rem/1.5 var(--font-label); letter-spacing: .08em; }
.ticket-corners { font-size: 1rem; }
.ticket-main { display: flex; align-items: flex-start; gap: 1.2rem; padding-block: 1.5rem; }
.ticket-number { display: inline-block; font-family: var(--font-label); font-size: .625rem; padding-top: .4rem; }
.ticket-main p { font-size: clamp(1.85rem, 2.9vw, 2.55rem); line-height: 1; font-weight: 850; letter-spacing: -.055em; }
.ticket-main em { font-family: var(--font-note); font-weight: 400; font-size: .8em; letter-spacing: -.04em; }
.ticket-bottom { border-top: 1px solid currentColor; padding-top: .9rem; }
.ticket-label { font-family: var(--font-label); font-size: .625rem; letter-spacing: .06em; }
.ticket-bottom p { font-size: .95rem; font-weight: 600; margin-top: .1rem; }
.ticket-bottom a { display: inline-flex; align-items: center; gap: 1.5rem; font-size: .75rem; min-height: 44px; text-decoration: underline; text-underline-offset: .25rem; }
.ticket-side { position: absolute; right: .2rem; top: 1.6rem; writing-mode: vertical-rl; font-family: var(--font-label); font-size: .625rem; letter-spacing: .11em; }
.signal-band { border-block: 1px solid var(--border); background: var(--panel); }
.signal-inner { display: flex; align-items: center; gap: 1.2rem; min-height: 58px; font: .66rem/1 var(--font-label); letter-spacing: .1em; }
.signal-inner i { width: clamp(1.5rem, 4vw, 3.5rem); height: 1px; background: var(--border); transform: rotate(-12deg); position: relative; }
.signal-inner i::before { content: ''; position: absolute; left: 45%; top: -4px; height: 8px; width: 4px; background: var(--panel); border-left: 1px solid var(--accent); transform: rotate(25deg); }
.signal-end { margin-left: auto; color: var(--muted); }
.server-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(2rem, 8vw, 7rem); }
.section-lead > p { color: var(--muted); margin-top: 1.3rem; max-width: 36ch; font-size: .94rem; }
.section-lead > p.muted { margin-top: 1rem; font-size: .79rem; max-width: 37ch; }
.server-brief { border-top: 3px solid var(--accent); background: var(--panel); padding: var(--space-panel); }
.brief-heading { display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; }
.brief-heading h3 { font-size: 2.4rem; letter-spacing: -.065em; line-height: 1.2; }
.brief-type { font-family: var(--font-label); font-size: .625rem; color: var(--muted); }
.brief-data { margin-top: 1.3rem; }
.brief-data > div { display: flex; justify-content: space-between; gap: 1.5rem; border-top: 1px solid var(--line); padding: .8rem 0; font-size: .85rem; }
.brief-data dt { color: var(--muted); }
.brief-data dd { text-align: right; }
.community-section { border-top: 1px solid var(--border); }
.community-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(2.5rem, 7vw, 6rem); }
.community-heading h2 { font-size: clamp(2.5rem, 4vw, 3.55rem); }
.margin-note { display: inline-block; font-family: var(--font-note); font-style: italic; color: var(--note); font-size: 1.2rem; margin-top: 1.5rem; transform: rotate(-3deg); }
.community-copy > p { color: var(--muted); font-size: 1rem; }
.community-copy > p + p { margin-top: 1rem; }
.pending-note { display: flex; align-items: start; gap: .75rem; border-top: 1px solid var(--line); margin-top: 1.7rem; padding-top: 1.2rem; color: var(--muted); }
.pending-note p { font-size: .8rem; }
.note-mark { color: var(--accent); font-size: 1.5rem; line-height: 1.3; }
[data-area='workshop'] .hero { background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 40px 40px; }
.workshop-title { font-size: clamp(3rem, 14.1vw, 204px); letter-spacing: -.055em; margin-top: .22em; margin-bottom: .21em; }
.workshop-title .title-upper { clip-path: polygon(0 0, 100% 0, 100% 52%, 0 52%); }
.workshop-title .title-lower { transform: none; clip-path: polygon(0 54%, 100% 54%, 100% 100%, 0 100%); }
.workshop-intro { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 5rem); border-top: 3px double var(--border); padding-top: 2.5rem; padding-bottom: 3.8rem; }
.workshop-intro .hero-copy h2 { font-size: clamp(2.5rem, 4.4vw, 4rem); }
.workshop-intro .hero-copy .intro-text { max-width: 44ch; }
.workshop-intro .button { margin-top: 2rem; }
.bench-note { align-self: center; border: 1px solid var(--border); background: var(--panel); padding: 1.6rem; position: relative; }
.bench-note::before, .bench-note::after { content: ''; position: absolute; width: 18px; height: 18px; border-color: var(--accent); border-style: solid; }
.bench-note::before { inset: -1px auto auto -1px; border-width: 2px 0 0 2px; }
.bench-note::after { inset: auto -1px -1px auto; border-width: 0 2px 2px 0; }
.bench-heading { display: flex; justify-content: space-between; color: var(--muted); font: .625rem/1.5 var(--font-label); letter-spacing: .08em; padding-bottom: 1.1rem; border-bottom: 1px solid var(--border); }
.bench-flow { display: grid; grid-template-columns: 1fr; padding-block: 1.4rem; gap: .75rem; }
.bench-flow > div { display: grid; grid-template-columns: 58px 1fr; gap: 1rem; align-items: start; }
.bench-code { font: .625rem/1.6 var(--font-label); color: var(--muted); border: 1px solid var(--border); padding: .2rem .35rem; margin-top: .3rem; }
.bench-flow p { font-size: 1.75rem; letter-spacing: -.045em; line-height: 1.15; font-weight: 600; }
.bench-flow em { color: var(--highlight); font-style: normal; }
.bench-connector { width: 1.5rem; height: 1.1rem; border-left: 1px solid var(--accent); border-bottom: 1px solid var(--accent); margin-left: 1.75rem; position: relative; }
.bench-connector::after { content: ''; position: absolute; height: 5px; width: 5px; border-right: 1px solid var(--accent); border-top: 1px solid var(--accent); right: -1px; bottom: -3px; transform: rotate(45deg); }
.bench-footer { font-family: var(--font-note); font-style: italic; color: var(--note); padding-top: 1rem; border-top: 1px solid var(--border); font-size: .95rem; line-height: 1.5; }
.projects-section { border-top: 1px solid var(--border); }
.projects-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-bottom: 2.5rem; }
.projects-intro > p { align-self: end; justify-self: end; font-size: .91rem; color: var(--muted); max-width: 44ch; }
.shelf-heading, .shelf > summary { display: grid; grid-template-columns: 66px minmax(0, 1fr) 110px 35px; align-items: center; gap: 1rem; }
.shelf-heading { padding: .65rem 1.25rem; font: .625rem/1.5 var(--font-label); color: var(--muted); letter-spacing: .04em; }
.shelf { border-top: 1px solid var(--border); }
.shelf:last-child { border-bottom: 1px solid var(--border); }
.shelf > summary { list-style: none; min-height: 104px; padding: 1.3rem 1.25rem; transition: background var(--motion-fast); }
.shelf > summary:hover, .shelf[open] > summary { background: var(--panel); }
.shelf-number { font: 1rem/1 var(--font-label); color: var(--accent); }
.shelf-title { display: flex; flex-direction: column; gap: .3rem; }
.shelf-title > strong { font-weight: 600; font-size: 1.4rem; letter-spacing: -.035em; }
.shelf-title > span { color: var(--muted); font-size: .83rem; }
.shelf-type { font: .625rem/1.5 var(--font-label); color: var(--muted); }
.shelf-toggle { font-size: 1.7rem; color: var(--accent); text-align: center; line-height: 1; }
.shelf[open] .shelf-toggle { transform: rotate(45deg); }
.shelf-body { background: var(--panel); margin: 0; padding: 0 4rem 1.8rem calc(66px + 2.25rem); }
.shelf-body h3 { margin: .7rem 0 .6rem; font-size: 1.1rem; }
.shelf-body > p:not(.eyebrow) { font-size: .9rem; max-width: 66ch; color: var(--muted); }
.shelf-footnote { font-size: .77rem; color: var(--muted); margin-top: 1.2rem; }
.shelf-footnote > span { color: var(--accent); margin-right: .5rem; }
.approach-section { border-top: 1px solid var(--border); }
.approach-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2.5rem, 8vw, 6rem); }
.approach-grid .text-link { margin-top: 1.6rem; }
.principles { list-style: none; padding: 0; margin: 0; }
.principles > li { display: grid; grid-template-columns: 35px 1fr; gap: 1.2rem; border-top: 1px solid var(--border); padding: 1.2rem 0; }
.principles > li > span { font: .65rem/1.6 var(--font-label); color: var(--accent); padding-top: .35rem; }
.principles h3 { font-size: 1.07rem; letter-spacing: -.02em; margin-bottom: .35rem; }
.principles p { font-size: .87rem; color: var(--muted); }
.not-found { padding-block: 15vh; min-height: 75vh; }
.not-found h1 { font-size: clamp(3rem, 9vw, 7rem); line-height: 1; letter-spacing: -.06em; margin: 2rem 0; }
.not-found > p:not(.eyebrow) { color: var(--muted); }
@media (min-width: 1520px) {
    .display-title { font-size: 320px; }
    .workshop-title { font-size: 204px; }
}
@media (max-width: 1000px) {
    .underground-intro { gap: 2rem; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
    .hero-copy .eyebrow { font-size: .625rem; }
    .hero-actions { gap: 1rem; }
    .entry-ticket { padding-left: 1.2rem; }
    .ticket-main { gap: .8rem; }
    .ticket-main p { font-size: 1.85rem; }
    .ticket-main .ticket-number { display: none; }
    .server-grid { gap: 3rem; }
    .workshop-intro { gap: 2rem; }
    .bench-note { padding: 1.2rem; }
    .bench-flow > div { grid-template-columns: 48px 1fr; gap: .7rem; }
    .bench-flow p { font-size: 1.5rem; }
    .bench-code { font-size: .625rem; }
}
@media (max-width: 740px) {
    .hero-index { font-size: .625rem; }
    .hero-index-right { font-size: .625rem; max-width: 22ch; text-align: right; }
    .display-title { margin-top: .22em; margin-bottom: .23em; font-size: 22.75vw; }
    .workshop-title { font-size: 13.9vw; }
    .underground-intro, .workshop-intro { grid-template-columns: 1fr; padding-top: 1.7rem; padding-bottom: 2.8rem; gap: 2.5rem; }
    .hero-copy h2 { font-size: clamp(2.55rem, 8.5vw, 3.5rem); }
    .hero-copy .intro-text { font-size: .94rem; max-width: 40ch; }
    .hero-copy .eyebrow { font-size: .625rem; }
    .hero-actions { margin-top: 1.5rem; gap: 1rem; }
    .entry-ticket { width: calc(100% - 1.5rem); max-width: 460px; justify-self: center; padding: 1.25rem 2.2rem 1rem 1.3rem; transform: rotate(1.5deg); }
    .ticket-main { padding-block: 1.15rem; }
    .ticket-main p { font-size: 2rem; }
    .ticket-main .ticket-number { display: inline-block; }
    .ticket-bottom p { font-size: .9rem; }
    .signal-inner { gap: .65rem; min-height: 48px; font-size: .625rem; }
    .signal-inner i { width: 1.5rem; }
    .signal-end { display: none; }
    .server-grid, .community-grid, .approach-grid { grid-template-columns: 1fr; gap: 2rem; }
    .section-lead > p { max-width: 44ch; }
    .brief-data > div { font-size: .78rem; gap: 1rem; }
    .brief-type { font-size: .625rem; }
    .community-heading h2 { font-size: 2.3rem; }
    .margin-note { font-size: 1.1rem; }
    .community-copy > p { font-size: .94rem; }
    .workshop-intro .hero-copy h2 { font-size: clamp(2.2rem, 7.5vw, 3.1rem); }
    .bench-note { width: 100%; }
    .bench-flow { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
    .bench-flow > div { grid-template-columns: 1fr; gap: .7rem; }
    .bench-code { width: fit-content; }
    .bench-connector { display: none; }
    .bench-flow p { font-size: 1.4rem; }
    .projects-intro { grid-template-columns: 1fr; gap: 1.3rem; }
    .projects-intro > p { justify-self: start; }
    .shelf-heading, .shelf > summary { grid-template-columns: 38px minmax(0, 1fr) 25px; gap: .6rem; padding-inline: .25rem; }
    .shelf-heading > span:nth-child(3), .shelf-type { display: none; }
    .shelf-heading { font-size: .625rem; }
    .shelf-title > strong { font-size: 1.2rem; }
    .shelf-title > span { font-size: .76rem; }
    .shelf-number { font-size: .7rem; }
    .shelf-body { padding: .4rem 1rem 1.5rem 2.4rem; }
    .shelf-footnote { font-size: .72rem; }
}
@media (max-width: 370px) {
    .palette-options button { padding-inline: .3rem; }
    .palette-swatch { display: none; }
    .hero-copy .eyebrow { letter-spacing: 0; }
    .hero-index-right { font-size: .625rem; }
    .ticket-main p { font-size: 1.75rem; }
    .text-link { font-size: .8rem; }
    .brief-data > div { flex-direction: column; gap: .2rem; }
    .brief-data dd { text-align: left; }
}