/* ---------- Tokens (Webflow: Variables panel) ---------- */
:root {
  --bg: #0d0d0f;
  --bg-alt: #141417;
  --surface: #1b1b1f;
  --line: #2a2a30;
  --text: #f2f2f0;
  --muted: #9a9aa3;
  --accent: #d4ff00;
  --accent-2: #4aa3c7;

  --font-sans: "Inter Tight", system-ui, sans-serif;
  --font-display: "Anton", "Impact", sans-serif;
  --font-title: "Unbounded", "Inter Tight", sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --font-mono: "Geist Mono", ui-monospace, monospace;

  --gutter: clamp(20px, 4vw, 48px);
  --section-pad: clamp(64px, 9vw, 120px);
  --radius: 14px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-sans); font-size: 17px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
img, video, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button { font: inherit; color: inherit; cursor: pointer; }

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 var(--gutter); }
.container-narrow { max-width: 820px; }
.section { padding: var(--section-pad) 0; }
.section-alt { background: var(--bg-alt); }
.section_head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 48px; }
.section_title { font-family: var(--font-title); font-size: clamp(26px, 4vw, 46px); font-weight: 500; letter-spacing: -0.03em; line-height: 1.1; }
.eyebrow { font-family: var(--font-mono); font-size: 13px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); margin-bottom: 20px; }
.lead { font-size: clamp(20px, 2.2vw, 26px); line-height: 1.35; letter-spacing: -0.01em; }
.muted { color: var(--muted); }
.prose p + p { margin-top: 1em; }
.prose { color: var(--muted); max-width: 680px; }
.prose strong { color: var(--text); font-weight: 600; }

/* ---------- Nav ---------- */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 50; backdrop-filter: blur(14px); background: rgba(13,13,15,.72); border-bottom: 1px solid var(--line); }
.nav_inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav_logo { font-family: var(--font-title); font-weight: 600; font-size: 16px; letter-spacing: -0.02em; }
.nav_dot { color: var(--accent); }
.nav_links { display: flex; align-items: center; gap: 28px; }
.nav_link { font-size: 15px; color: var(--muted); transition: color .2s; }
.nav_link:hover { color: var(--text); }
.nav_link.is-cta { color: var(--bg); background: var(--text); padding: 8px 16px; border-radius: 999px; font-weight: 500; }
.nav_link.is-cta:hover { background: var(--accent); }

/* ---------- Buttons / tags ---------- */
.button { display: inline-flex; align-items: center; gap: 10px; padding: 14px 24px; border-radius: 999px; background: var(--accent); color: #111; font-weight: 600; transition: transform .2s; }
.button:hover { transform: translateY(-2px); }
.button.is-ghost { background: none; color: var(--text); border: 1px solid var(--line); }
.button.is-ghost:hover { border-color: var(--text); }
.tag { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; padding: 4px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); white-space: nowrap; }
.tag.is-accent { color: var(--accent); border-color: rgba(212,255,0,.45); }

/* ---------- Home hero ---------- */
.hero { padding-top: calc(var(--section-pad) + 68px); padding-bottom: var(--section-pad); }
.hero_grid { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(24px, 4vw, 64px); align-items: center; }
.hero_title { font-family: var(--font-display); font-size: clamp(46px, 6vw, 92px); font-weight: 400; text-transform: uppercase; letter-spacing: 0.005em; line-height: .95; }
.hero_accent { font-family: var(--font-display); font-style: normal; font-weight: 400; letter-spacing: 0.005em; }
.hero_accent { color: var(--accent); }
.hero_text { max-width: 520px; color: var(--muted); font-size: 19px; margin-top: 32px; }
.hero_actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero_viewer { position: relative; }
.hero_viewer .viewer { aspect-ratio: 1 / 1; }

/* ---------- 3D viewer ---------- */
.viewer { position: relative; width: 100%; border-radius: var(--radius); background: radial-gradient(circle at 50% 40%, #26262c 0%, #151518 70%); border: 1px solid var(--line); overflow: hidden; cursor: grab; }
.viewer:active { cursor: grabbing; }
.viewer canvas { width: 100% !important; height: 100% !important; }
.viewer_label { position: absolute; left: 14px; bottom: 12px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); letter-spacing: .06em; pointer-events: none; }
.viewer_fallback { position: absolute; inset: 0; display: none; place-items: center; text-align: center; padding: 24px; color: var(--muted); font-size: 14px; }
.viewer.is-failed .viewer_fallback { display: grid; }
.viewer-wide { aspect-ratio: 16 / 9; }

/* ---------- Marquee ---------- */
.marquee { border-block: 1px solid var(--line); overflow: hidden; padding: 20px 0; }
.marquee_track { display: flex; gap: 56px; width: max-content; animation: marquee 32s linear infinite; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .1em; font-size: 14px; color: var(--muted); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Work grid ---------- */
.filter { display: flex; flex-wrap: wrap; gap: 8px; }
.filter_btn { background: none; border: 1px solid var(--line); padding: 8px 18px; border-radius: 999px; font-size: 14px; color: var(--muted); transition: all .2s; }
.filter_btn:hover { color: var(--text); border-color: var(--muted); }
.filter_btn.is-active { background: var(--text); color: var(--bg); border-color: var(--text); }

.work_grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 32px; }
.work_card { grid-column: span 2; transition: opacity .35s, transform .35s; }
.work_card.is-wide { grid-column: span 4; }
.work_card.is-full { grid-column: span 6; }
.work_card.is-full .work_media { aspect-ratio: 21 / 9; }
.work_card.is-hidden { display: none; }
.work_media { position: relative; overflow: hidden; border-radius: var(--radius); background: var(--surface); aspect-ratio: 4 / 5; }
.work_card.is-wide .work_media { aspect-ratio: 16 / 10; }
.work_media img, .work_media video { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.work_media.is-contain img { object-fit: contain; padding: 6%; }
.work_link:hover .work_media img, .work_link:hover .work_media video { transform: scale(1.04); }
.work_meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 18px; }
.work_name { font-family: var(--font-title); font-size: 20px; font-weight: 500; letter-spacing: -0.02em; }
.work_desc { color: var(--muted); font-size: 15px; margin-top: 6px; max-width: 560px; }
.work_year { font-family: var(--font-mono); font-size: 12px; color: var(--muted); margin-top: 10px; }

/* ---------- Capabilities ---------- */
.cap_grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.cap_card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; transition: border-color .2s, transform .2s; }
.cap_card:hover { border-color: var(--accent); transform: translateY(-4px); }
.cap_num { font-family: var(--font-mono); font-size: 13px; color: var(--accent); }
.cap_title { font-family: var(--font-title); font-size: 22px; font-weight: 500; letter-spacing: -0.02em; margin: 36px 0 12px; }
.cap_text { color: var(--muted); }
.cap_list { margin-top: 24px; border-top: 1px solid var(--line); }
.cap_list li { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 15px; }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.about_image { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 5; background: var(--surface); }
.about_image img { width: 100%; height: 100%; object-fit: cover; }
.about_lead { font-family: var(--font-sans); font-style: normal; font-weight: 600; font-size: clamp(24px, 2.7vw, 36px); line-height: 1.25; letter-spacing: -0.02em; margin: 28px 0 20px; }
.about_text { color: var(--muted); max-width: 560px; }
.about_facts { margin-top: 40px; border-top: 1px solid var(--line); }
.about_facts div { display: grid; grid-template-columns: 140px 1fr; padding: 16px 0; border-bottom: 1px solid var(--line); }
.about_facts dt { font-family: var(--font-mono); font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }

/* ---------- Contact / footer ---------- */
.contact_mail { display: inline-block; font-family: var(--font-display); font-size: clamp(28px, 6.5vw, 96px); font-weight: 400; letter-spacing: 0.01em; line-height: 1.05; border-bottom: 3px solid var(--accent); transition: color .2s; word-break: break-word; }
.contact_mail:hover { color: var(--accent); }
.contact_links { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 40px; }
.contact_link { color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 2px; }
.contact_link:hover { color: var(--text); }
.footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: 14px; }
.footer_inner { display: flex; justify-content: space-between; gap: 16px; }

/* ================= Case study pages ================= */
.case_hero { padding-top: calc(var(--section-pad) + 40px); padding-bottom: 56px; }
.case_back { display: inline-block; font-family: var(--font-mono); font-size: 13px; color: var(--muted); margin-bottom: 32px; }
.case_back:hover { color: var(--accent); }
.case_title { font-family: var(--font-display); font-size: clamp(56px, 10vw, 150px); font-weight: 400; text-transform: uppercase; letter-spacing: 0.005em; line-height: .95; }
.case_sub { margin-top: 24px; max-width: 760px; color: var(--muted); font-size: clamp(18px, 2vw, 22px); }
.case_meta { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line); }
.case_meta dt { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 6px; }
.case_meta dd { font-size: 16px; }
.case_cover { border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.case_cover img, .case_cover video { width: 100%; height: auto; }

.block { padding: clamp(40px, 6vw, 80px) 0; }
.block_grid { display: grid; grid-template-columns: 4fr 8fr; gap: clamp(24px, 5vw, 80px); }
.block_label { font-family: var(--font-mono); font-size: 13px; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); position: sticky; top: 92px; align-self: start; }
.block_title { font-family: var(--font-title); font-size: clamp(22px, 2.8vw, 34px); font-weight: 500; letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 20px; }

.figure { border-radius: var(--radius); overflow: hidden; background: var(--surface); border: 1px solid var(--line); }
.figure img { width: 100%; height: auto; max-height: 820px; object-fit: contain; margin: 0 auto; }
.figure figcaption { padding: 12px 16px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); letter-spacing: .04em; border-top: 1px solid var(--line); }
.figure-light { background: #f4f1ea; }
.figure_row { display: grid; gap: 20px; margin-top: 32px; }
.figure_row.c2 { grid-template-columns: repeat(2, 1fr); }
.figure_row.c3 { grid-template-columns: repeat(3, 1fr); }
.figure_row.is-top { align-items: start; }
.figure.is-tall img { height: 100%; object-fit: cover; }
.stack > * + * { margin-top: 32px; }

.specs { border-top: 1px solid var(--line); margin-top: 24px; }
.specs div { display: grid; grid-template-columns: 160px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.specs dt { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); padding-top: 3px; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 32px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.stat_num { font-family: var(--font-title); font-size: clamp(32px, 4vw, 52px); font-weight: 500; letter-spacing: -0.04em; line-height: 1; color: var(--accent-2); }
.stat_label { margin-top: 10px; font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.stat_note { color: var(--muted); font-size: 14px; margin-top: 4px; }

.callout { border-left: 3px solid var(--accent); background: var(--surface); padding: 20px 24px; border-radius: 0 var(--radius) var(--radius) 0; margin-top: 28px; }
.callout_label { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); margin-bottom: 6px; }
.callout.is-blue { border-color: var(--accent-2); }
.callout.is-blue .callout_label { color: var(--accent-2); }

.two_col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 28px; }
.list-dash li { position: relative; padding: 10px 0 10px 20px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 16px; }
.list-dash li::before { content: "–"; position: absolute; left: 0; color: var(--accent); }
.list-dash.is-blue li::before { color: var(--accent-2); }
.list-dash li strong { color: var(--text); font-weight: 600; }
.col_title { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 4px; }

.timeline { margin-top: 28px; border-top: 1px solid var(--line); }
.timeline_item { display: grid; grid-template-columns: 80px 1fr; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.timeline_v { font-family: var(--font-mono); color: var(--accent-2); }
.timeline_title { font-weight: 600; margin-bottom: 4px; }
.timeline_text { color: var(--muted); font-size: 16px; }

.next { border-top: 1px solid var(--line); }
.next_link { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 56px 0; }
.next_label { font-family: var(--font-mono); font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; }
.next_name { font-family: var(--font-display); text-transform: uppercase; font-size: clamp(36px, 7vw, 96px); font-weight: 400; letter-spacing: 0.005em; line-height: 1; margin-top: 8px; transition: color .2s; }
.next_link:hover .next_name { color: var(--accent); }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .hero_grid { grid-template-columns: 1fr; }
  .hero_viewer .viewer { aspect-ratio: 4 / 3; }
  .work_grid { grid-template-columns: repeat(2, 1fr); }
  .work_card, .work_card.is-wide { grid-column: span 1; }
  .work_card.is-wide, .work_card.is-full { grid-column: span 2; }
  .cap_grid { grid-template-columns: 1fr; }
  .about { grid-template-columns: 1fr; }
  .case_meta { grid-template-columns: repeat(2, 1fr); }
  .block_grid { grid-template-columns: 1fr; gap: 16px; }
  .block_label { position: static; }
}
@media (max-width: 767px) {
  .nav_link:not(.is-cta) { display: none; }
  .work_grid { grid-template-columns: 1fr; }
  .work_card.is-wide, .work_card.is-full { grid-column: auto; }
  .work_card.is-wide .work_media, .work_card.is-full .work_media { aspect-ratio: 4 / 3; }
  .figure_row.c2, .figure_row.c3, .two_col, .stats { grid-template-columns: 1fr; }
  .specs div { grid-template-columns: 1fr; gap: 2px; }
  .timeline_item { grid-template-columns: 56px 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .marquee_track { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---- app screen strip, prototype embed, swatches ---- */
.strip { display: flex; gap: 20px; overflow-x: auto; padding: 4px 2px 18px; margin-top: 32px; scroll-snap-type: x proximity; -webkit-overflow-scrolling: touch; }
.strip_item { flex: 0 0 auto; width: 220px; scroll-snap-align: start; }
.strip_item img { width: 100%; height: auto; display: block; border-radius: 18px; border: 1px solid var(--line); background: var(--surface); }
.strip_item p { font-family: var(--font-mono); font-size: 12px; color: var(--muted); letter-spacing: .04em; margin-top: 10px; }
.strip::-webkit-scrollbar { height: 8px; }
.strip::-webkit-scrollbar-thumb { background: var(--line); border-radius: 8px; }
.proto { display: flex; flex-direction: column; align-items: center; gap: 14px; margin-top: 32px; padding: 28px 16px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.proto iframe { width: 100%; max-width: 460px; height: 880px; border: 0; border-radius: 20px; background: #ddd9d2; }
.proto_note { font-family: var(--font-mono); font-size: 12px; color: var(--muted); letter-spacing: .04em; text-align: center; }
.proto_note a { color: var(--accent); border-bottom: 1px solid currentColor; }
.swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; margin-top: 24px; }
.swatch { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--surface); }
.swatch_chip { height: 76px; }
.swatch_meta { padding: 10px 12px 12px; }
.swatch_name { font-size: 14px; font-weight: 600; }
.swatch_hex { font-family: var(--font-mono); font-size: 12px; color: var(--muted); margin-top: 2px; }
.contrast { width: 100%; border-collapse: collapse; margin-top: 24px; font-size: 15px; }
.contrast th { text-align: left; font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 500; padding: 10px 8px; border-bottom: 1px solid var(--line); }
.contrast td { padding: 14px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.contrast .chip { display: inline-block; width: 16px; height: 16px; border-radius: 4px; vertical-align: -3px; margin-right: 8px; border: 1px solid rgba(255,255,255,.18); }
.contrast .bad { color: #ff8a7a; font-family: var(--font-mono); }
.contrast .good { color: var(--accent); font-family: var(--font-mono); }
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 28px; counter-reset: step; }
.flow_step { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; background: var(--surface); counter-increment: step; }
.flow_step::before { content: counter(step, decimal-leading-zero); font-family: var(--font-mono); font-size: 13px; color: var(--accent); display: block; margin-bottom: 14px; }
.flow_step h4 { font-family: var(--font-title); font-weight: 500; font-size: 16px; margin-bottom: 8px; letter-spacing: -.02em; }
.flow_step p { font-size: 15px; color: var(--muted); line-height: 1.5; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 28px; }
.compare_col { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: var(--surface); }
.compare_col.is-good { border-color: var(--accent); }
.compare_col h4 { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: 14px; font-weight: 500; }
.compare_col.is-good h4 { color: var(--accent); }
.compare_col li { list-style: none; padding: 8px 0; border-top: 1px solid var(--line); font-size: 16px; }
.compare_col li:first-of-type { border-top: 0; }
@media (max-width: 991px) { .flow { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 767px) { .flow, .compare { grid-template-columns: 1fr; } .strip_item { width: 180px; } .proto iframe { height: 760px; } }

/* ---- photo gallery ---- */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; margin-top: 28px; }
.gallery_item { margin: 0; border-radius: 12px; overflow: hidden; background: var(--surface); border: 1px solid var(--line); }
.gallery_item img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; display: block; }
.gallery_item figcaption { padding: 10px 12px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); letter-spacing: .03em; border-top: 1px solid var(--line); }
.flow.is-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 991px) { .flow.is-3 { grid-template-columns: 1fr; } }
.block_grid > div { min-width: 0; }

/* ---- layout fixes ---- */
.stat_num { font-size: clamp(24px, 2.5vw, 36px); white-space: nowrap; }
.flow { grid-template-columns: repeat(2, 1fr); }
.flow.is-3 { grid-template-columns: repeat(3, 1fr); }
.flow_step h4 { font-size: 15px; line-height: 1.25; }
.strip { scrollbar-width: auto; scrollbar-color: var(--accent) var(--surface); padding-bottom: 22px; }
.strip::-webkit-scrollbar { height: 12px; }
.strip::-webkit-scrollbar-track { background: var(--surface); border-radius: 12px; border: 1px solid var(--line); }
.strip::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 12px; border: 2px solid var(--surface); }
.strip::-webkit-scrollbar-thumb:hover { background: #e6ff4d; }
@media (max-width: 767px) { .flow, .flow.is-3 { grid-template-columns: 1fr; } .stat_num { font-size: clamp(28px, 9vw, 40px); } }
.block_grid > div > :not(h2) + .prose { margin-top: 28px; }
.block_grid > div > .prose + .prose { margin-top: 16px; }

/* ---- flow chart ---- */
.fc { margin-top: 32px; padding: 28px 24px 22px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: auto; scrollbar-color: var(--accent) var(--surface); }
.fc::-webkit-scrollbar { height: 12px; }
.fc::-webkit-scrollbar-track { background: var(--surface); border-radius: 12px; }
.fc::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 12px; border: 2px solid var(--surface); }
.fc_inner { min-width: 930px; display: flex; align-items: flex-start; }
.fc_pre { display: flex; align-items: flex-start; flex: 0 0 auto; }
.fc_node { flex: 0 0 auto; width: 92px; text-align: center; }
.fc_node img { width: 100%; display: block; border-radius: 12px; border: 1px solid var(--line); background: #fff; }
.fc_node p { font-family: var(--font-mono); font-size: 11px; line-height: 1.35; color: var(--muted); margin-top: 8px; letter-spacing: .02em; }
.fc_node strong { display: block; color: var(--text); font-weight: 500; }
.fc_node.is-start img, .fc_node.is-hub img { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(212,255,0,.18); }
.fc_node.is-end img { border-color: #4cc38a; box-shadow: 0 0 0 2px rgba(76,195,138,.16); }
.fc_arrow { flex: 0 0 22px; height: 2px; background: var(--accent); margin-top: 100px; position: relative; }
.fc_arrow.is-head::after { content: ""; position: absolute; right: -1px; top: -4px; border-left: 7px solid var(--accent); border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
.fc_lanes { display: grid; gap: 26px; flex: 0 0 auto; }
.fc_lane { position: relative; display: flex; align-items: flex-start; padding-left: 22px; }
.fc_lane::before { content: ""; position: absolute; left: 0; top: 100px; width: 22px; height: 2px; background: var(--accent); }
.fc_lane:not(:last-child)::after { content: ""; position: absolute; left: 0; top: 100px; width: 2px; height: calc(100% + 26px); background: var(--accent); }
.fc_lane_label { position: absolute; left: 30px; top: -2px; font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.fc_lane { padding-top: 0; }
.fc_note { font-family: var(--font-mono); font-size: 12px; color: var(--muted); margin-top: 18px; letter-spacing: .03em; }
.fcsvg { padding: 22px 18px 18px; }
.fcsvg svg { display: block; width: 100%; min-width: 640px; height: auto; }
.fc_note { font-family: var(--font-mono); font-size: 12px; color: var(--muted); margin-top: 16px; letter-spacing: .03em; }
.proto_btn { font: inherit; letter-spacing: inherit; background: none; border: 0; padding: 0; color: var(--accent); border-bottom: 1px solid currentColor; cursor: pointer; }
.proto_btn:hover { color: var(--text); }
.proto iframe.is-app { width: 390px; max-width: 100%; height: 800px; border: 7px solid #cfc9bf; border-radius: 46px; background: #F5F3EE; box-sizing: content-box; }
@media (max-width: 767px) { .proto iframe.is-app { height: 740px; } }

/* ---- section labels: larger and bolder ---- */
.block_label { font-size: clamp(17px, 1.55vw, 21px); font-weight: 600; letter-spacing: .08em; line-height: 1.25; }

/* ---- project timeline ---- */
.tl_wrap { margin-top: 8px; }
.tl { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 22px 24px 20px; }
.tl_head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 24px; margin-bottom: 20px; }
.tl_title { font-family: var(--font-title); font-weight: 500; font-size: 18px; letter-spacing: -.02em; }
.tl_total { font-family: var(--font-mono); font-size: 13px; color: var(--accent); letter-spacing: .04em; }
.tl_list { list-style: none; margin: 0; padding: 0 0 14px; display: grid; grid-auto-flow: column; grid-auto-columns: minmax(150px, 1fr); gap: 0; overflow-x: auto; scrollbar-width: auto; scrollbar-color: var(--accent) var(--surface); }
.tl_list::-webkit-scrollbar { height: 10px; }
.tl_list::-webkit-scrollbar-track { background: var(--surface); }
.tl_list::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 10px; }
.tl_item { position: relative; padding: 22px 16px 0 0; }
.tl_item::before { content: ""; position: absolute; top: 5px; left: 0; right: 0; height: 2px; background: var(--line); }
.tl_item::after { content: ""; position: absolute; top: 0; left: 0; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(212,255,0,.15); }
.tl_item:last-child::before { right: auto; width: 100%; }
.tl_date { display: block; font-family: var(--font-mono); font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); margin-bottom: 6px; }
.tl_text { display: block; font-size: 15px; line-height: 1.45; color: var(--text); }
@media (max-width: 767px) { .tl { padding: 18px 16px; } .tl_list { grid-auto-columns: minmax(170px, 1fr); } }
