/* Apex Alpha. Premium minimal on off-black, one alpenglow accent taken from
   the photographs: the only warm thing on the page is the highest point. */
:root {
  --sc-canvas: #07080a;
  --sc-surface: #0e1014;
  --sc-ink: #eef0f2;
  --sc-ink-soft: #929aa5;
  --sc-accent: #ff7d4d;
  --sc-accent-ink: #120805;
  --sc-font-display: "Geist", system-ui, sans-serif;
  --sc-font-text: "Geist", system-ui, sans-serif;
  --sc-font-mono: "Geist Mono", ui-monospace, monospace;
  --ink-faint: #7f8894;
  --bar-h: 4.25rem;
}

html { background: var(--sc-canvas); }
body { letter-spacing: 0; }
h1, h2, h3 { font-weight: 500; text-wrap: balance; margin: 0; }
p { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; list-style: none; }

.skip {
  position: fixed; left: var(--sc-gutter); top: -4rem; z-index: 90;
  background: var(--sc-ink); color: var(--sc-canvas); padding: 0.6rem 1rem;
  border-radius: var(--sc-r-sm); text-decoration: none;
}
.skip:focus-visible { top: 1rem; }

/* ------------------------------------------------------------------ bar -- */
.bar {
  position: fixed; inset: 0 0 auto 0; z-index: 60; height: var(--bar-h);
  display: flex; align-items: center; justify-content: space-between;
  padding-inline: var(--sc-gutter);
  background: linear-gradient(to bottom, color-mix(in oklab, var(--sc-canvas) 82%, transparent), transparent);
}
.bar::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0;
  background: color-mix(in oklab, var(--sc-canvas) 94%, transparent);
  border-bottom: 1px solid var(--sc-hairline);
  transition: opacity 240ms var(--sc-ease-out);
}
.bar--solid::before { opacity: 1; }
.mark {
  display: inline-flex; align-items: center; gap: 0.6rem;
  text-decoration: none; font-weight: 500; letter-spacing: 0.14em;
  text-transform: uppercase; font-size: 0.8rem;
}
.mark svg { width: 1.5rem; height: 1.5rem; }
.mark path { fill: none; stroke: var(--sc-ink); stroke-width: 2.2; stroke-linejoin: round; }
.mark circle { fill: var(--sc-accent); }
.bar__cta {
  font-size: var(--sc-t-sm); text-decoration: none; color: var(--sc-ink);
  padding: 0.55rem 1rem; border-radius: var(--sc-r-pill);
  border: 1px solid var(--sc-hairline-strong);
  transition: background-color 160ms var(--sc-ease-out), border-color 160ms var(--sc-ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .bar__cta:hover { border-color: var(--sc-ink); }
}

/* ------------------------------------------------------------ altimeter -- */
.alti {
  position: fixed; right: calc(var(--sc-gutter) * 0.45); top: 50%; z-index: 60;
  translate: 0 -50%; height: min(52vh, 26rem);
  display: flex; align-items: stretch;
}
.alti__track {
  position: absolute; right: 0.3rem; top: 0; bottom: 0; width: 1px;
  background: var(--sc-hairline-strong);
}
.alti__fill {
  position: absolute; left: 0; bottom: 0; width: 1px; height: calc(var(--alt, 0) * 100%);
  background: var(--sc-ink);
}
.alti ol { position: relative; display: flex; flex-direction: column-reverse; justify-content: space-between; }
.alti a {
  display: flex; align-items: center; justify-content: flex-end; gap: 0.6rem;
  min-height: 1.75rem; text-decoration: none; color: var(--ink-faint);
  font-family: var(--sc-font-mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase;
}
.alti a::after {
  content: ""; width: 0.6rem; height: 1px; background: currentColor;
  transition: width 200ms var(--sc-ease-out);
}
.alti a span { opacity: 0; translate: 6px 0; transition: opacity 200ms var(--sc-ease-out), translate 200ms var(--sc-ease-out); }
.alti a.is-here { color: var(--sc-ink); }
.alti a.is-here::after { width: 1rem; }
.alti a.is-here span, .alti a:focus-visible span { opacity: 1; translate: 0 0; }
@media (hover: hover) and (pointer: fine) {
  .alti:hover a span { opacity: 1; translate: 0 0; }
  .alti a:hover { color: var(--sc-ink); }
}
@media (max-width: 860px) { .alti { display: none; } }

/* ------------------------------------------------------------------ cta -- */
.cta {
  display: inline-flex; align-items: center; gap: 0.7rem;
  background: var(--sc-ink); color: var(--sc-canvas); text-decoration: none;
  font-weight: 500; padding: 0.95rem 1.5rem; border-radius: var(--sc-r-pill);
  white-space: nowrap; box-shadow: var(--sc-e2);
  transition: transform 140ms var(--sc-ease-out), background-color 160ms var(--sc-ease-out);
}
.cta::after {
  content: ""; width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--sc-accent);
}
.cta:active { transform: scale(0.97); }
@media (hover: hover) and (pointer: fine) { .cta:hover { background: #fff; } }

.btn {
  font-size: var(--sc-t-sm); font-weight: 500; cursor: pointer;
  padding: 0.75rem 1.2rem; min-height: 2.75rem; border-radius: var(--sc-r-pill);
  border: 1px solid var(--sc-ink); background: var(--sc-ink); color: var(--sc-canvas);
  transition: transform 120ms var(--sc-ease-out), background-color 160ms var(--sc-ease-out), border-color 160ms var(--sc-ease-out);
}
.btn--quiet { background: transparent; color: var(--sc-ink); border-color: var(--sc-hairline-strong); }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: default; }
@media (hover: hover) and (pointer: fine) {
  .btn:hover { background: #fff; border-color: #fff; }
  .btn--quiet:hover { background: transparent; border-color: var(--sc-ink); }
}

/* ----------------------------------------------------------------- hero -- */
.hero__stage { background: radial-gradient(ellipse 70% 60% at 62% 55%, #0d1117 0%, var(--sc-canvas) 70%); }
.hero__poster {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; max-width: none;
  opacity: 0; transition: opacity 400ms var(--sc-ease-out);
}
.no-webgl .hero__poster { opacity: 1; }
.hero__terrain { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2; cursor: grab; touch-action: pan-y; }
.hero__terrain.is-dragging { cursor: grabbing; }
.hero__scrim {
  position: absolute; z-index: 3; left: 0; bottom: 0; width: min(56rem, 100%); height: 75%;
  background: radial-gradient(ellipse 75% 70% at 0% 100%,
    color-mix(in oklab, var(--sc-canvas) 90%, transparent) 0%,
    color-mix(in oklab, var(--sc-canvas) 60%, transparent) 50%,
    transparent 78%);
  pointer-events: none;
}
.hero__copy, .hero__beat, .hero__tag { pointer-events: none; }
.hero__copy a { pointer-events: auto; }
.hero__tag {
  position: absolute; left: 0; top: 0; z-index: 4;
  display: flex; gap: 0.6rem; align-items: baseline; white-space: nowrap;
  margin: -2.6rem 0 0 0.9rem; padding: 0.35rem 0.6rem;
  font-family: var(--sc-font-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--sc-ink-soft); background: color-mix(in oklab, var(--sc-canvas) 80%, transparent);
  border: 1px solid var(--sc-hairline); border-radius: var(--sc-r-sm);
  opacity: 0; transition: opacity 200ms var(--sc-ease-out);
}
.hero__tag b { color: var(--sc-ink); font-weight: 500; font-variant-numeric: tabular-nums; }
.hero__tag.is-on { opacity: 1; }
.hero__tag--best.is-found { border-color: color-mix(in oklab, var(--sc-accent) 55%, transparent); }
.hero__tag--best.is-found span, .hero__tag--best.is-found b { color: var(--sc-accent); }
.hero__tag--probe { margin: 0.8rem 0 0 0.9rem; }
.hero__tag .tag__k { color: var(--ink-faint); }
.hero__time {
  position: absolute; z-index: 4; right: calc(var(--sc-gutter) + 3rem); bottom: clamp(2rem, 6vh, 4rem);
  width: min(20rem, 40vw); pointer-events: none;
  font-family: var(--sc-font-mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-faint);
}
.time__row { display: flex; justify-content: space-between; gap: 1rem; }
.time__row b { color: var(--sc-ink); font-weight: 500; font-variant-numeric: tabular-nums; }
.time__bar { width: 100%; height: 6px; margin-block: 0.55rem; border-radius: 1px; background: var(--sc-hairline); }
@media (max-width: 700px) { .hero__time { left: var(--sc-gutter); right: var(--sc-gutter); width: auto; bottom: 3vh; } }
.hero__copy {
  position: absolute; z-index: 4; left: var(--sc-gutter); bottom: clamp(3rem, 11vh, 8rem);
  max-width: 58rem;
}
.hero__title {
  font-size: clamp(2.4rem, 1rem + 3.6vw, 4.6rem); line-height: 1; font-weight: 500;
  letter-spacing: -0.04em; text-wrap: initial;
}
@media (min-width: 900px) { .hero__line { white-space: nowrap; } }
.hero__sub {
  margin-top: var(--sc-5); max-width: 34ch; font-size: var(--sc-t-lg); line-height: 1.5;
  color: color-mix(in oklab, var(--sc-ink) 78%, var(--sc-canvas));
}
.hero__copy .cta { margin-top: var(--sc-6); }
.hero__beat {
  position: absolute; z-index: 4; right: calc(var(--sc-gutter) + 3rem); top: calc(var(--bar-h) + 6vh);
  text-align: right; font-size: var(--sc-t-lg); line-height: 1.45; max-width: 26ch;
  color: var(--sc-ink);
}

@media (max-width: 700px) {
  .hero__copy { right: var(--sc-gutter); bottom: auto; top: calc(var(--bar-h) + 2vh); }
  .hero__title { font-size: clamp(2rem, 9.2vw, 3rem); }
  .hero__sub { font-size: var(--sc-t-base); }
  .hero__scrim {
    top: 0; bottom: auto; width: 100%; height: 62%;
    background: linear-gradient(to bottom, color-mix(in oklab, var(--sc-canvas) 86%, transparent) 0%,
      color-mix(in oklab, var(--sc-canvas) 55%, transparent) 60%, transparent 100%);
  }
  .hero__beat { left: var(--sc-gutter); right: var(--sc-gutter); top: auto; bottom: 8vh; text-align: left; font-size: var(--sc-t-base); }
}

/* --------------------------------------------------------------- inputs -- */
.inputs { position: relative; overflow: clip; padding-top: calc(var(--sc-section) * 0.9); padding-bottom: 46vh; background: var(--sc-canvas); }
.inputs > .sc-wrap { position: relative; z-index: 1; }
.inputs__far { position: absolute; left: 0; right: 0; bottom: 0; height: 110vh; z-index: 0;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 45%); mask-image: linear-gradient(to bottom, transparent 0%, #000 45%); }
.inputs__far img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 100%; max-width: none; }
.inputs__far::after { content: ""; position: absolute; inset: auto 0 0 0; height: 18vh; background: linear-gradient(to bottom, transparent, #0a0c0f); }

.foot { display: grid; grid-template-columns: auto 1fr; gap: var(--sc-7); padding-block: var(--sc-8) var(--sc-6); margin-top: var(--sc-8); border-top: 1px solid var(--sc-hairline); }
.foot p { font-size: var(--sc-t-xs); color: var(--ink-faint); line-height: 1.6; }
.foot__legal { max-width: 80ch; justify-self: end; }
.foot__mark { color: var(--sc-ink-soft) !important; }
@media (max-width: 860px) {
  .foot { grid-template-columns: 1fr; gap: var(--sc-4); }
  .foot__legal { justify-self: start; }
}


/* ------------------------------------------------------------ site nav -- */
.bar__nav { display: flex; gap: clamp(1.25rem, 3vw, 2.5rem); }
.bar__nav a {
  position: relative; text-decoration: none; font-size: var(--sc-t-sm); color: var(--sc-ink-soft);
  padding-block: 0.6rem; transition: color 160ms var(--sc-ease-out);
}
.bar__nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0.3rem; height: 1px;
  background: var(--sc-accent); transform: scaleX(0); transform-origin: 0 50%;
  transition: transform 220ms var(--sc-ease-out);
}
.bar__nav a[aria-current="page"] { color: var(--sc-ink); }
.bar__nav a[aria-current="page"]::after { transform: scaleX(1); }
@media (hover: hover) and (pointer: fine) {
  .bar__nav a:hover { color: var(--sc-ink); }
  .bar__nav a:hover::after { transform: scaleX(1); }
}

.textlink {
  display: inline-flex; align-items: center; gap: 0.6rem; margin-top: var(--sc-6);
  color: var(--sc-ink); text-decoration: none; font-weight: 500; padding-block: 0.4rem;
  border-bottom: 1px solid var(--sc-hairline-strong); transition: border-color 160ms var(--sc-ease-out);
}
.textlink::after { content: ""; width: 0.4rem; height: 0.4rem; border-radius: 50%; background: var(--sc-accent); }
@media (hover: hover) and (pointer: fine) { .textlink:hover { border-color: var(--sc-ink); } }

/* --------------------------------------------------------- inner pages -- */
.page { padding-top: calc(var(--bar-h) + clamp(3rem, 10vh, 7rem)); min-height: 80vh; }
.page__head { max-width: 46rem; }
.page__kicker { font-family: var(--sc-font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--sc-accent); }
.page__title { margin-top: var(--sc-4); font-size: var(--sc-t-3xl); line-height: 1.02; letter-spacing: -0.04em; }
.page__lede { margin-top: var(--sc-6); font-size: var(--sc-t-lg); line-height: 1.55; color: color-mix(in oklab, var(--sc-ink) 80%, var(--sc-canvas)); max-width: 40rem; }
.page__band { margin-top: var(--sc-10); display: grid; grid-template-columns: 14rem 1fr; gap: var(--sc-7); padding-top: var(--sc-7); border-top: 1px solid var(--sc-hairline); }
.page__band h2 { font-size: var(--sc-t-lg); letter-spacing: -0.01em; }
.page__band .prose { max-width: 40rem; }
.prose p { color: var(--sc-ink-soft); }
.prose p + p, .prose p + h2, .prose h2 + p { margin-top: var(--sc-5); }
.prose h2 { font-size: var(--sc-t-xl); letter-spacing: -0.02em; color: var(--sc-ink); margin-top: var(--sc-8); }
.prose strong { color: var(--sc-ink); font-weight: 500; }
.prose a { color: var(--sc-ink); }
@media (max-width: 860px) { .page__band { grid-template-columns: 1fr; gap: var(--sc-4); } }

.page__photo { margin: var(--sc-9) calc(var(--sc-gutter) * -1) 0; }
.page__photo img { width: 100%; height: auto; aspect-ratio: 21 / 8; object-fit: cover; object-position: 50% 100%; }

.posts { margin-top: var(--sc-9); border-top: 1px solid var(--sc-hairline); }
.post-row { display: grid; grid-template-columns: 9rem 1fr; gap: var(--sc-6); padding-block: var(--sc-7); border-bottom: 1px solid var(--sc-hairline); text-decoration: none; }
.post-row time { font-family: var(--sc-font-mono); font-size: 0.75rem; color: var(--sc-ink-soft); padding-top: 0.4rem; }
.post-row h2 { font-size: var(--sc-t-xl); letter-spacing: -0.02em; transition: color 160ms var(--sc-ease-out); }
.post-row p { margin-top: var(--sc-3); color: var(--sc-ink-soft); max-width: 44rem; }
@media (hover: hover) and (pointer: fine) { .post-row:hover h2 { color: var(--sc-accent); } }
@media (max-width: 700px) { .post-row { grid-template-columns: 1fr; gap: var(--sc-2); } }

.article { max-width: 42rem; }
.article .prose { margin-top: var(--sc-8); }
.article__meta { margin-top: var(--sc-5); font-family: var(--sc-font-mono); font-size: 0.75rem; color: var(--sc-ink-soft); }
.article__back { display: inline-block; margin-top: var(--sc-9); }


.page-foot { margin-top: var(--sc-10); }
@media (max-width: 520px) { .bar__nav { gap: 1rem; } .mark span { display: none; } }

/* ------------------------------------------------------------- process -- */
.flow__head { max-width: 40rem; }
.flow__head h2 { font-size: var(--sc-t-2xl); line-height: 1.08; letter-spacing: -0.03em; }
.flow__head .sc-body { margin-top: var(--sc-5); }
.flow {
  position: relative; margin-top: var(--sc-9);
  display: grid; grid-template-columns: 1.1fr 0.95fr 0.56fr 0.72fr 0.66fr 0.66fr; gap: clamp(1.1rem, 2.6vw, 3.2rem); align-items: center;
}
.flow__links { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.flow__col { position: relative; z-index: 1; }
.flow__label {
  font-family: var(--sc-font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: var(--sc-4);
}
.flow__nodes { display: flex; flex-direction: column; gap: 0.45rem; align-items: flex-start; }
.node {
  font: inherit; font-size: var(--sc-t-sm); text-align: left; cursor: pointer;
  color: var(--sc-ink-soft); background: color-mix(in oklab, var(--sc-surface) 80%, transparent);
  border: 1px solid var(--sc-hairline); border-radius: var(--sc-r-sm);
  padding: 0.42rem 0.75rem; transition: color 160ms var(--sc-ease-out), border-color 160ms var(--sc-ease-out), opacity 200ms var(--sc-ease-out);
}
.flow.has-focus .node { opacity: 0.35; }
.flow.has-focus .node.is-on { opacity: 1; color: var(--sc-ink); border-color: var(--sc-hairline-strong); }
.flow .node.is-picked { color: var(--sc-ink); border-color: var(--sc-accent); }
.node--signal { display: flex; flex-direction: column; align-items: center; gap: 0.7rem; padding: 0.9rem 0.8rem; width: 100%; }
.node__cap { font-family: var(--sc-font-mono); font-size: 0.62rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); text-align: center; line-height: 1.5; }
.ens { width: 100%; max-width: 7.5rem; height: auto; overflow: visible; }
.ens__links path { fill: none; stroke: color-mix(in oklab, var(--sc-ink) 26%, transparent); stroke-width: 1; stroke-dasharray: 3 5; animation: ens-flow 1.6s linear infinite; }
.ens__models rect { fill: color-mix(in oklab, var(--sc-ink) 8%, transparent); stroke: color-mix(in oklab, var(--sc-ink) 45%, transparent); stroke-width: 1; animation: ens-vote 2.6s ease-in-out infinite; }
.ens__models rect:nth-child(2) { animation-delay: 0.35s; }
.ens__models rect:nth-child(3) { animation-delay: 0.7s; }
.ens__models rect:nth-child(4) { animation-delay: 1.05s; }
.ens__models rect:nth-child(5) { animation-delay: 1.4s; }
.ens__decide { fill: color-mix(in oklab, var(--sc-accent) 25%, transparent); stroke: var(--sc-accent); stroke-width: 1.4; transform-box: fill-box; transform-origin: center; animation: ens-decide 2.6s ease-in-out infinite; }
@keyframes ens-flow { to { stroke-dashoffset: -16; } }
@keyframes ens-vote { 0%, 100% { fill: color-mix(in oklab, var(--sc-ink) 8%, transparent); } 40% { fill: color-mix(in oklab, var(--sc-ink) 60%, transparent); } }
@keyframes ens-decide { 0%, 70%, 100% { transform: scale(1); } 85% { transform: scale(1.2); } }

.node--ai { display: block; width: 100%; padding: 0.9rem; }
.ai__head { display: flex; align-items: center; gap: 0.5rem; font-family: var(--sc-font-mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--sc-ink); margin-bottom: 0.9rem; }
.ai__spark { width: 0.6rem; height: 0.6rem; background: var(--sc-accent); clip-path: polygon(50% 0, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0 50%, 38% 38%); animation: ai-spin 4s linear infinite; }
@keyframes ai-spin { to { transform: rotate(360deg); } }
.ai__rows { display: flex; flex-direction: column; gap: 0.55rem; }
.chk { display: flex; align-items: center; gap: 0.5rem; height: 1.1rem; }
.chk__name { font-size: 0.78rem; color: var(--ink-faint); transition: color 200ms var(--sc-ease-out); }
.chk.is-check .chk__name, .chk.is-ok .chk__name { color: var(--sc-ink); }
.chk__st { flex: none; margin-left: auto; width: 1rem; height: 1rem; box-sizing: border-box; border-radius: 50%; display: grid; place-items: center; font-size: 0.6rem; line-height: 1; }
.chk.is-wait .chk__st { border: 1px solid var(--sc-hairline-strong); }
.chk.is-check .chk__st { border: 1.5px solid color-mix(in oklab, var(--sc-ink) 18%, transparent); border-top-color: var(--sc-accent); animation: ai-spin 0.7s linear infinite; }
.chk.is-ok .chk__st { background: color-mix(in oklab, var(--sc-ink) 16%, transparent); color: var(--sc-ink); }
.chk.is-ok .chk__st::before { content: "\2713"; }

.node--port { display: block; width: 100%; padding: 0.9rem; }
.port__head { display: block; font-family: var(--sc-font-mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--sc-ink); margin-bottom: 0.8rem; }
.port__rows { display: flex; flex-direction: column; gap: 0.5rem; }
.fill { display: flex; align-items: center; gap: 0.5rem; height: 0.9rem; }
.fill__bar { flex: none; height: 0.4rem; border-radius: 2px; background: color-mix(in oklab, var(--sc-ink) 10%, transparent); overflow: hidden; }
.fill__bar i { display: block; height: 100%; width: 0; }
.fill--long .fill__bar i { background: var(--sc-accent); }
.fill--short .fill__bar i { background: #8fb3d9; }
.fill--hedge .fill__bar { outline: 1px dashed color-mix(in oklab, #8fb3d9 70%, transparent); outline-offset: 1px; }
.fill--hedge .fill__bar i { background: repeating-linear-gradient(135deg, #8fb3d9 0 3px, transparent 3px 6px); }
.fill__st { margin-left: auto; font-family: var(--sc-font-mono); font-size: 0.56rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); }
.fill__st::before { content: "Order"; }
.fill.is-done .fill__st { color: var(--sc-ink); }
.fill.is-done .fill__st::before { content: "Filled"; }
.fill--hedge .fill__st::before { content: "Hedge"; }
.fill--hedge.is-done .fill__st { color: #8fb3d9; }
.fill--hedge.is-done .fill__st::before { content: "Hedged"; }
.expo { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.9rem; padding-top: 0.8rem; border-top: 1px solid var(--sc-hairline); }
.expo__row { display: grid; grid-template-columns: 2.6rem 1fr; align-items: center; gap: 0.5rem; font-family: var(--sc-font-mono); font-size: 0.56rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); }
.expo__gross { position: relative; height: 0.35rem; border-radius: 2px; background: color-mix(in oklab, var(--sc-ink) 10%, transparent); overflow: hidden; }
.expo__gross i { display: block; height: 100%; width: 0; background: var(--sc-ink-soft); transition: width 400ms var(--sc-ease-out); }
.expo__net { position: relative; height: 0.8rem; }
.expo__net::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: var(--sc-hairline-strong); }
.expo__band { position: absolute; left: 38%; right: 38%; top: 15%; bottom: 15%; border-radius: 2px; background: color-mix(in oklab, var(--sc-accent) 16%, transparent); border-inline: 1px solid color-mix(in oklab, var(--sc-accent) 55%, transparent); }
.expo__dot { position: absolute; top: 50%; left: 50%; width: 0.5rem; height: 0.5rem; margin: -0.25rem 0 0 -0.25rem; border-radius: 50%; background: var(--sc-ink); transition: left 400ms var(--sc-ease-out); }
.flow .node.is-picked .ens__decide { fill: color-mix(in oklab, var(--sc-accent) 45%, transparent); }
.node--book { display: block; width: 100%; padding: 0.9rem; }
.book__legend--foot { margin: 0.7rem 0 0 !important; }
.book__legend { display: flex; justify-content: space-between; font-family: var(--sc-font-mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.7rem; }
.lg--long { color: var(--sc-accent); }
.lg--short { color: #8fb3d9; }
.book__bars { position: relative; display: block; height: 12rem; }
.rank { position: absolute; left: 0; right: 0; top: 0; transition: transform 700ms var(--sc-ease-out); }
.rank__fill { display: block; height: 100%; border-radius: 2px; background: color-mix(in oklab, var(--sc-ink) 14%, transparent); transition: width 700ms var(--sc-ease-out), background-color 300ms var(--sc-ease-out); }
.rank.is-long .rank__fill { background: var(--sc-accent); }
.rank.is-short .rank__fill { background: #8fb3d9; }
.link { fill: none; stroke: color-mix(in oklab, var(--sc-ink) 10%, transparent); stroke-width: 1; transition: stroke 200ms var(--sc-ease-out); }
.link.is-on { stroke: color-mix(in oklab, var(--sc-accent) 70%, transparent); }
.packet { fill: #cfe6ff; }
.flow__detail { margin-top: var(--sc-8); max-width: 42rem; min-height: 6.5rem; padding-top: var(--sc-5); border-top: 1px solid var(--sc-hairline); }
.flow__detail h3 { font-size: var(--sc-t-lg); }
.flow__detail p { margin-top: var(--sc-2); color: var(--sc-ink-soft); }
@media (hover: hover) and (pointer: fine) { .node:hover { color: var(--sc-ink); } }
@media (max-width: 860px) {
  .flow { grid-template-columns: 1fr; gap: var(--sc-8); }
  .flow__nodes { flex-direction: row; flex-wrap: wrap; }
  .node--signal, .node--book, .node--ai, .node--port { max-width: 22rem; }
}

/* ------------------------------------------------------- the difference -- */
.eyebrow { font-family: var(--sc-font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--sc-accent); }
.steps { position: relative; padding-top: calc(var(--sc-section) * 0.4); background: var(--sc-canvas); overflow-x: clip; }
.steps__head { max-width: 46rem; }
.steps__head h2 { margin-top: var(--sc-4); font-size: var(--sc-t-2xl); line-height: 1.08; letter-spacing: -0.03em; }
.steps__head .sc-body { margin-top: var(--sc-5); }

.steps__body { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(2rem, 5vw, 5rem); }
.steps__list { padding-block: 6vh 30vh; }
.step {
  min-height: 62vh; display: flex; flex-direction: column; justify-content: center; cursor: pointer;
  padding-left: var(--sc-5); border-left: 1px solid var(--sc-hairline);
  opacity: 0.32; transition: opacity 300ms var(--sc-ease-out), border-color 300ms var(--sc-ease-out);
}
.step.is-on { opacity: 1; border-left-color: var(--sc-accent); }
.step:focus-visible { outline: 2px solid var(--sc-accent); outline-offset: 4px; }
.step__n { font-family: var(--sc-font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); }
.step.is-on .step__n { color: var(--sc-accent); }
.step h3 { margin-top: var(--sc-3); font-size: var(--sc-t-xl); line-height: 1.12; letter-spacing: -0.02em; }
.step__d { margin-top: var(--sc-4); color: var(--sc-ink-soft); line-height: 1.65; max-width: 34rem; }
.step__tags { margin-top: var(--sc-5); display: flex; flex-wrap: wrap; gap: 0.4rem; }
.step__tags span {
  font-family: var(--sc-font-mono); font-size: 0.64rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--sc-ink-soft); border: 1px solid var(--sc-hairline-strong); border-radius: var(--sc-r-pill); padding: 0.3rem 0.65rem;
}

.steps__stage { position: sticky; top: calc(var(--bar-h) + 4vh); height: calc(100vh - var(--bar-h) - 8vh); display: grid; place-items: center; perspective: 1400px; }
.stack {
  position: relative; width: 100%; max-width: 46rem; aspect-ratio: 16 / 11;
  transform-style: preserve-3d; transform: rotateX(var(--rx, 5deg)) rotateY(var(--ry, -6deg));
}
.card {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  border-radius: var(--sc-r-md); border: 1px solid var(--sc-hairline-strong);
  background: linear-gradient(160deg, #12151a, #0b0d10 60%);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transform: translate3d(calc(var(--d, 0) * 2.2rem), calc(var(--d, 0) * -1.6rem), calc(var(--d, 0) * -120px));
  opacity: calc(1 - var(--d, 0) * 0.26);
  transition: transform 700ms var(--sc-ease-out), opacity 500ms var(--sc-ease-out), border-color 300ms var(--sc-ease-out);
  z-index: calc(10 - var(--d, 0));
}
.card.is-front { border-color: color-mix(in oklab, var(--sc-accent) 45%, var(--sc-hairline-strong)); }
.card.is-gone { transform: translate3d(-3rem, 4rem, 160px); opacity: 0; pointer-events: none; }
.card.is-far { opacity: 0; }
.card__head {
  display: flex; gap: 0.6rem; padding: 0.9rem 1rem 0; font-family: var(--sc-font-mono); font-size: 0.68rem;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--sc-ink-soft);
}
.card__head b { color: var(--sc-accent); font-weight: 500; }
.card canvas { flex: 1; width: 100%; min-height: 0; display: block; }

@media (max-width: 860px) {
  .steps__body { grid-template-columns: 1fr; gap: 0; }
  .steps__stage { order: -1; top: var(--bar-h); height: 44vh; z-index: 2; background: linear-gradient(var(--sc-canvas) 85%, transparent); padding-block: 0.5rem 1.5rem; }
  .stack { max-width: 30rem; width: 86%; }
  .steps__list { padding-block: 4vh 30vh; }
  .step { min-height: 56vh; justify-content: flex-start; padding-top: 4vh; }
}
@media (prefers-reduced-motion: reduce) { .card { transition-duration: 200ms; } }

/* -------------------------------------------------------------- mission -- */
.mission { position: relative; overflow: clip; padding-block: calc(var(--sc-section) * 1.1); background: var(--sc-canvas); }
.mission__ridge { position: absolute; inset: 0 0 0 34%; z-index: 0;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 25%, #000 75%, transparent); mask-image: linear-gradient(to bottom, transparent, #000 25%, #000 75%, transparent); }
.mission__ridge img { width: 100%; height: 100%; object-fit: cover; object-position: 42% 45%; max-width: none; }
.mission__ridge::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--sc-canvas) 0%, color-mix(in oklab, var(--sc-canvas) 55%, transparent) 30%, transparent 60%); }
.mission__inner { position: relative; z-index: 1; }
.mission__statement {
  margin-top: var(--sc-5); max-width: 26ch; font-size: var(--sc-t-xl); line-height: 1.2; letter-spacing: -0.025em; font-weight: 500;
}
.mission__statement .w { color: color-mix(in oklab, var(--sc-ink) 20%, transparent); transition: color 380ms var(--sc-ease-out); }
.mission__statement .w.is-lit { color: var(--sc-ink); }
.mission__tenets { margin-top: var(--sc-9); display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sc-6); max-width: 72rem; }
.mission__tenets li { padding-top: var(--sc-4); border-top: 1px solid var(--sc-hairline-strong); }
.mission__tenets h3 { font-size: var(--sc-t-base); font-weight: 500; }
.mission__tenets p { margin-top: var(--sc-2); color: var(--sc-ink-soft); font-size: var(--sc-t-sm); line-height: 1.6; }
.mission .textlink { margin-top: var(--sc-8); }
@media (max-width: 960px) { .mission__tenets { grid-template-columns: 1fr 1fr; } }
@media (max-width: 700px) {
  .mission__tenets { grid-template-columns: 1fr; }
  .mission__ridge { inset: 0; }
  .mission__ridge img { object-position: 45% 50%; opacity: 0.5; }
  .mission__statement { font-size: clamp(1.4rem, 6vw, 1.8rem); }
}

/* --------------------------------------------------------- performance -- */
.perf { padding-block: var(--sc-section); background: var(--sc-canvas); }
.perf__head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: var(--sc-6); }
.perf__head h2 { font-size: var(--sc-t-3xl); line-height: 1; letter-spacing: -0.04em; margin-top: var(--sc-3); }
.perf__head .sc-body { margin-top: var(--sc-4); max-width: 40rem; }
.perf__badge {
  display: inline-block; font-family: var(--sc-font-mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--sc-accent); border: 1px solid color-mix(in oklab, var(--sc-accent) 45%, transparent); border-radius: var(--sc-r-sm); padding: 0.25rem 0.5rem;
}
.notice {
  margin-top: var(--sc-6); max-width: 40rem; padding: var(--sc-5) var(--sc-6);
  border: 1px solid color-mix(in oklab, var(--sc-accent) 40%, transparent); border-left-width: 3px;
  border-radius: var(--sc-r-sm); background: color-mix(in oklab, var(--sc-accent) 6%, transparent);
}
.notice--page { margin-top: var(--sc-9); }
.notice__tag {
  display: flex; align-items: center; gap: 0.5rem; font-family: var(--sc-font-mono); font-size: 0.7rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--sc-accent);
}
.notice__dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--sc-accent); animation: notice-pulse 2s ease-in-out infinite; }
@keyframes notice-pulse { 50% { opacity: 0.3; } }
@media (prefers-reduced-motion: reduce) { .notice__dot { animation: none; } }
.notice__body { margin-top: var(--sc-3); font-size: var(--sc-t-sm); line-height: 1.55; color: var(--sc-ink-soft); }
.notice__body b { color: var(--sc-ink); font-weight: 500; }
.notice__link { display: inline-block; margin-top: var(--sc-4); font-size: var(--sc-t-sm); color: var(--sc-accent); text-decoration: none; }
@media (hover: hover) and (pointer: fine) { .notice__link:hover { text-decoration: underline; } }
.perf__profiles { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.perf__profiles button, .perf__views button {
  font: inherit; cursor: pointer; color: var(--sc-ink-soft); background: transparent;
  border: 1px solid var(--sc-hairline); border-radius: var(--sc-r-sm); padding: 0.55rem 0.8rem; text-align: left;
  transition: color 160ms var(--sc-ease-out), border-color 160ms var(--sc-ease-out), background-color 160ms var(--sc-ease-out);
}
.perf__profiles button span { display: block; font-size: var(--sc-t-sm); font-weight: 500; }
.perf__profiles button small { display: block; font-family: var(--sc-font-mono); font-size: 0.62rem; letter-spacing: 0.04em; color: var(--ink-faint); margin-top: 0.15rem; }
.perf__profiles button[aria-pressed="true"], .perf__views button[aria-pressed="true"] { color: var(--sc-ink); border-color: var(--sc-accent); background: color-mix(in oklab, var(--sc-accent) 8%, transparent); }
@media (hover: hover) and (pointer: fine) { .perf__profiles button:hover, .perf__views button:hover { color: var(--sc-ink); border-color: var(--sc-hairline-strong); } }

.perf__panel { margin-top: var(--sc-8); border: 1px solid var(--sc-hairline); border-radius: var(--sc-r-md); padding: clamp(1rem, 2vw, 1.5rem); background: color-mix(in oklab, var(--sc-surface) 60%, transparent); }
.perf__bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--sc-4); }
.perf__title { font-size: var(--sc-t-lg); font-weight: 500; }
.perf__sub { color: var(--ink-faint); font-weight: 400; }
.perf__views { display: flex; gap: 0.35rem; }
.perf__views button { font-size: var(--sc-t-xs); padding: 0.4rem 0.7rem; }
.perf__chartwrap { position: relative; margin-top: var(--sc-5); }
.perf__chart { height: clamp(16rem, 42vh, 26rem); }
.pchart { display: block; width: 100%; height: 100%; }
.pchart__grid { stroke: var(--sc-hairline); }
.pchart__axis { fill: var(--ink-faint); font-family: var(--sc-font-mono); font-size: 10px; }
.pchart__live { fill: color-mix(in oklab, var(--sc-accent) 6%, transparent); }
.pchart__livetxt, .pchart__bttxt { font-family: var(--sc-font-mono); font-size: 9.5px; letter-spacing: 0.12em; }
.pchart__livetxt { fill: var(--sc-accent); }
.pchart__bttxt { fill: var(--ink-faint); }
.pchart__bench { fill: none; stroke: #6f7b8a; stroke-width: 1.2; stroke-dasharray: 3 3; }
.pchart__bt { fill: none; stroke: var(--sc-ink); stroke-width: 1.8; }
.pchart__lv { fill: none; stroke: var(--sc-accent); stroke-width: 2.2; }
.pchart__ddfill { fill: color-mix(in oklab, var(--sc-ink) 8%, transparent); }
.pchart__cross { stroke: var(--sc-hairline-strong); }
.pchart__dotA { fill: var(--sc-accent); }
.pchart__dotB { fill: #6f7b8a; }
.perf__tip {
  position: absolute; left: 0; top: 0; pointer-events: none; display: grid; gap: 0.15rem; min-width: 11rem;
  padding: 0.6rem 0.75rem; border: 1px solid var(--sc-hairline-strong); border-radius: var(--sc-r-sm);
  background: color-mix(in oklab, var(--sc-canvas) 92%, transparent); font-family: var(--sc-font-mono); font-size: 0.7rem;
  color: var(--sc-ink-soft); opacity: 0; transition: opacity 120ms var(--sc-ease-out);
}
.perf__tip.is-on { opacity: 1; }
.perf__tip b { color: var(--sc-ink); font-weight: 500; }
.tip__a { color: var(--sc-accent); }
.perf__legend { display: flex; gap: var(--sc-5); margin-top: var(--sc-4); font-family: var(--sc-font-mono); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-faint); }
.perf__legend span::before { content: ""; display: inline-block; width: 1rem; height: 2px; margin-right: 0.45rem; vertical-align: middle; }
.lg-bt::before { background: var(--sc-ink); }
.lg-lv::before { background: var(--sc-accent); }
.lg-mk::before { background: repeating-linear-gradient(90deg, #6f7b8a 0 3px, transparent 3px 6px); }

.perf__grid { margin-top: var(--sc-6); display: grid; grid-template-columns: 1.3fr 1fr; gap: var(--sc-6); }
.perf__block { border: 1px solid var(--sc-hairline); border-radius: var(--sc-r-md); padding: clamp(1rem, 2vw, 1.5rem); }
.perf__block h3 { font-size: var(--sc-t-base); font-weight: 500; margin-bottom: var(--sc-4); }
.perf__stats { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: var(--sc-t-sm); }
.perf__stats th, .perf__stats td { padding: 0.6rem 0.4rem; border-bottom: 1px solid var(--sc-hairline); text-align: right; }
.perf__stats thead th { font-family: var(--sc-font-mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); font-weight: 400; }
.perf__stats tbody th { text-align: left; color: var(--sc-ink-soft); font-weight: 400; }
.perf__stats td { color: var(--sc-ink); }
.perf__stats .is-live { color: var(--sc-accent); }
.perf__stats tr:last-child th, .perf__stats tr:last-child td { border-bottom: 0; }
.pmap { width: 100%; height: auto; overflow: visible; }
.pmap__axis { stroke: var(--sc-hairline-strong); }
.pmap__line { fill: none; stroke: var(--sc-hairline-strong); stroke-dasharray: 2 3; }
.pmap__lbl { fill: var(--ink-faint); font-family: var(--sc-font-mono); font-size: 9px; letter-spacing: 0.04em; }
.pmap__bench { fill: #6f7b8a; }
.pmap__pt { cursor: pointer; outline: none; }
.pmap__pt circle { fill: var(--sc-surface); stroke: var(--sc-ink-soft); stroke-width: 1.5; transition: r 200ms var(--sc-ease-out); }
.pmap__pt.is-on circle { fill: var(--sc-accent); stroke: var(--sc-accent); }
.pmap__pt.is-on .pmap__lbl { fill: var(--sc-ink); }
.pmap__pt:focus-visible circle { stroke: var(--sc-accent); stroke-width: 3; }

.perf__block--years { margin-top: var(--sc-6); }
.perf__years { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: var(--sc-3); }
.yr { display: grid; justify-items: center; gap: 0.35rem; }
.yr__plot { position: relative; width: 100%; height: 9rem; display: flex; justify-content: center; gap: 4px; }
.yr__plot::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: var(--sc-hairline-strong); }
.yr__bar { position: relative; width: min(1.1rem, 30%); height: 100%; }
.yr__bar::before { content: ""; position: absolute; left: 0; right: 0; bottom: 50%; height: calc(var(--h) / 2); border-radius: 2px 2px 0 0; transition: height 400ms var(--sc-ease-out); }
.yr__bar.is-neg::before { bottom: auto; top: 50%; border-radius: 0 0 2px 2px; }
.yr__bar--a::before { background: var(--sc-ink); }
.yr--live .yr__bar--a::before { background: var(--sc-accent); }
.yr__bar--b::before { background: #4b5563; }
.yr__v { font-family: var(--sc-font-mono); font-size: 0.72rem; color: var(--sc-ink); font-variant-numeric: tabular-nums; }
.yr--live .yr__v { color: var(--sc-accent); }
.yr__y { font-family: var(--sc-font-mono); font-size: 0.66rem; color: var(--ink-faint); }

.perf__method { margin-top: var(--sc-8); display: grid; grid-template-columns: 14rem 1fr; gap: var(--sc-6); padding-top: var(--sc-6); border-top: 1px solid var(--sc-hairline); }
.perf__method h3 { font-size: var(--sc-t-base); font-weight: 500; }
.perf__method ul { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sc-4) var(--sc-6); }
.perf__method li { color: var(--sc-ink-soft); font-size: var(--sc-t-sm); line-height: 1.6; }
.perf__method li b { color: var(--sc-ink); font-weight: 500; }
.perf__disclaimer { grid-column: 2; font-size: var(--sc-t-xs); color: var(--ink-faint); line-height: 1.6; }
@media (max-width: 860px) {
  .perf__grid, .perf__method { grid-template-columns: 1fr; }
  .perf__method ul { grid-template-columns: 1fr; }
  .perf__disclaimer { grid-column: 1; }
  .perf__years { gap: 0.3rem; }
  .yr__v { font-size: 0.6rem; }
}
.perf--page { padding-top: calc(var(--bar-h) + var(--sc-8)); padding-bottom: var(--sc-8); }
.perf--page h1 { font-size: var(--sc-t-3xl); line-height: 1; letter-spacing: -0.04em; margin-top: var(--sc-3); }

/* --------------------------------------------------------------- about -- */
.ab-hero { position: relative; min-height: min(92vh, 60rem); display: flex; align-items: flex-end; overflow: hidden; }
.ab-hero__img, .ab-hero__img img { position: absolute; inset: 0; width: 100%; height: 100%; }
.ab-hero__img img { object-fit: cover; object-position: 50% 55%; }
.ab-hero::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(to bottom, color-mix(in oklab, var(--sc-canvas) 55%, transparent) 0, transparent 20%, transparent 50%, color-mix(in oklab, var(--sc-canvas) 78%, transparent) 84%, var(--sc-canvas) 100%); }
.ab-hero__copy { position: relative; z-index: 1; width: 100%; padding-bottom: clamp(3rem, 8vh, 6rem); }
.ab-kicker { font-size: var(--sc-t-sm); font-weight: 500; color: var(--sc-accent); }
.ab-hero h1 { margin-top: var(--sc-4); max-width: 18ch; font-size: clamp(2.5rem, 1.6rem + 3.8vw, 4.75rem); line-height: 1.02; letter-spacing: -0.04em; font-weight: 500; }
.ab-hero__lede { margin-top: var(--sc-5); max-width: 44rem; font-size: var(--sc-t-lg); line-height: 1.5; color: color-mix(in oklab, var(--sc-ink) 82%, var(--sc-canvas)); }

.ab-body { padding-top: var(--sc-8); }
.ab-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2.2fr); gap: var(--sc-7); padding-block: var(--sc-7); border-top: 1px solid var(--sc-hairline); }
.ab-row h2 { font-size: var(--sc-t-base); font-weight: 500; color: var(--sc-ink); padding-top: 0.2rem; }
.ab-text, .ab-list { max-width: 46rem; font-size: var(--sc-t-base); line-height: 1.7; color: var(--sc-ink-soft); }
.ab-text p + p { margin-top: var(--sc-4); }
.ab-strong { font-size: var(--sc-t-xl); line-height: 1.3; letter-spacing: -0.02em; color: var(--sc-ink); }
.ab-list li + li { margin-top: var(--sc-4); }
.ab-list b { color: var(--sc-ink); font-weight: 500; }
.ab-row--end .textlink { margin-top: var(--sc-5); }
@media (max-width: 760px) {
  .ab-row { grid-template-columns: 1fr; gap: var(--sc-3); padding-block: var(--sc-6); }
  .ab-hero { min-height: 88vh; }
}

/* --------------------------------------------------- blog line backdrop -- */
.page--lines { position: relative; }
.page--lines > *:not(.lines-bg) { position: relative; z-index: 1; }
.lines-bg { position: absolute; z-index: 0; top: 0; left: 50%; width: 100vw; transform: translateX(-50%); height: min(110vh, 62rem); pointer-events: none; overflow: hidden;
  background: url("assets/lines-bg.svg") center / cover no-repeat;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 18%, #000 50%, transparent 100%); mask-image: linear-gradient(to bottom, transparent 0, #000 18%, #000 50%, transparent 100%); }

/* ------------------------------------------------------------- contact -- */
.contact__title { margin-top: 0; font-size: var(--sc-t-2xl); line-height: 1.08; letter-spacing: -0.03em; font-weight: 500; max-width: 20ch; }
.quad { margin-top: var(--sc-9); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--sc-hairline); }
.quad section { padding: var(--sc-7) var(--sc-7) var(--sc-7) 0; border-bottom: 1px solid var(--sc-hairline); display: flex; flex-direction: column; align-items: flex-start; }
.quad section:nth-child(even) { padding-left: var(--sc-7); padding-right: 0; border-left: 1px solid var(--sc-hairline); }
.quad__k { font-size: var(--sc-t-xs); font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--sc-accent); }
.quad h2 { margin-top: var(--sc-3); font-size: var(--sc-t-xl); letter-spacing: -0.02em; font-weight: 500; }
.quad p:not(.quad__k) { margin-top: var(--sc-4); max-width: 34rem; color: var(--sc-ink-soft); line-height: 1.65; }
.contact__general { margin-top: var(--sc-7); max-width: 40rem; font-size: var(--sc-t-base); line-height: 1.65; color: var(--sc-ink-soft); }
.contact__general a { color: var(--sc-ink); text-decoration: none; border-bottom: 1px solid var(--sc-hairline-strong); }
@media (hover: hover) and (pointer: fine) { .contact__general a:hover { color: var(--sc-ink); } }
@media (max-width: 760px) {
  .quad { grid-template-columns: 1fr; }
  .quad section, .quad section:nth-child(even) { padding: var(--sc-6) 0; border-left: 0; }
}

/* ------------------------------------------------------------- workflow -- */
.cycle { margin-top: var(--sc-9); }
.cycle__head h3 { margin-top: var(--sc-3); font-size: var(--sc-t-xl); letter-spacing: -0.02em; }
.cycle__steps { margin-top: var(--sc-7); display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--sc-5); position: relative; }
.cycle__steps::before { content: ""; position: absolute; left: 0; right: 0; top: 0.3rem; height: 1px;
  background: linear-gradient(to right, var(--sc-hairline-strong), var(--sc-hairline-strong) 80%, var(--sc-accent)); }
.cycle__steps li { position: relative; padding-top: var(--sc-6); }
.cycle__steps li::before { content: ""; position: absolute; left: 0; top: 0; width: 0.6rem; height: 0.6rem; border-radius: 50%;
  background: var(--sc-canvas); border: 1px solid var(--sc-ink-soft); }
.cycle__steps li:last-child::before { background: var(--sc-accent); border-color: var(--sc-accent); }
.cycle__steps h4 { margin-top: 0; font-size: var(--sc-t-base); font-weight: 500; }
.cycle__steps p { margin-top: var(--sc-2); font-size: var(--sc-t-sm); line-height: 1.6; color: var(--sc-ink-soft); }
@media (max-width: 900px) {
  .cycle__steps { grid-template-columns: 1fr; gap: var(--sc-5); padding-left: var(--sc-5); }
  .cycle__steps::before { left: 0.3rem; right: auto; top: 0.3rem; bottom: 0.3rem; width: 1px; height: auto;
    background: linear-gradient(to bottom, var(--sc-hairline-strong), var(--sc-hairline-strong) 80%, var(--sc-accent)); }
  .cycle__steps li { padding-top: 0; padding-left: var(--sc-4); }
  .cycle__steps li::before { left: calc(var(--sc-5) * -1); top: 0.15rem; }
}