/* ============================================================
   DESIGN B — "hikari" (plaster & light). Scoped [data-design="b"].
   Remapped from hikari design.md; zero hikari-scoped selectors.
   ============================================================ */

[data-design="b"] {
  /* chassis */
  --b-paper:      #F3EFE7;
  --b-paper-sub:  #ECE6D9;
  --b-ink:        #1A1815;
  --b-ink-2:      #5A544A;
  --b-ink-3:      #8B8273;
  --b-rule:       #D8D1BF;
  --b-shadow:     #C9C0AB;
  --b-critical:   #7A2A1B;
  --b-success:    #3F5A45;
  /* field atmospheres */
  --b-field-lime: #EAE3D2;
  --b-field-ando: #9C988E;
  --b-field-sumi: #272422;
  --b-field-yuzu: #C7A256;
  --b-accent:     #34536A;
  --b-accent-ink: #22384B;
  /* exposed primary */
  --design-b-primary: var(--b-accent);

  /* type */
  --b-font-display: "Cormorant Garamond", "Tiempos Headline", "Iowan Old Style", Georgia, serif;
  --b-font-body:    "Söhne", "Inter", -apple-system, "Segoe UI", system-ui, sans-serif;
  --b-font-meta:    "JetBrains Mono", "IBM Plex Mono", ui-monospace, Menlo, monospace;

  /* spacing (tape-line names) */
  --b-hair: 1px; --b-tape: 4px; --b-batten: 8px; --b-stretcher: 16px;
  --b-span: 24px; --b-bay: 40px; --b-court: 72px; --b-elevation: 120px; --b-room: 200px;

  /* radius */
  --b-radius-edge: 0; --b-radius-tape: 2px; --b-radius-stamp: 4px;

  /* motion */
  --b-ease-settle: cubic-bezier(0.22, 0.61, 0.36, 1);
  --b-ease-light:  cubic-bezier(0.4, 0, 0.2, 1);
  --b-ease-stroke: cubic-bezier(0.65, 0, 0.35, 1);
  --b-tick: 120ms; --b-stroke: 240ms; --b-cure: 600ms;
  --b-drift: 18000ms; --b-light: 24000ms; --b-cloud: 31000ms;

  background: var(--b-paper);
  color: var(--b-ink);
  font-family: var(--b-font-body);
  font-size: clamp(16px, 1.05vw, 18px);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

[data-design="b"] *, [data-design="b"] *::before, [data-design="b"] *::after { box-sizing: border-box; }
[data-design="b"] h1, [data-design="b"] h2, [data-design="b"] h3, [data-design="b"] p, [data-design="b"] ol, [data-design="b"] blockquote { margin: 0; }
[data-design="b"] ol { list-style: none; padding: 0; }

/* ---------- E1 header ---------- */
[data-design="b"] .b-header {
  position: sticky; top: 0; z-index: 40;
  background: var(--b-paper);
  border-bottom: 1px solid var(--b-rule);
  isolation: isolate; overflow: hidden;
}
[data-design="b"] .b-header__light { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
[data-design="b"] .b-header__pool {
  position: absolute; top: -40%; width: 60vmax; height: 240%;
  border-radius: 50%; filter: blur(40px); opacity: 0.55; will-change: transform;
}
[data-design="b"] .b-header__pool--a {
  left: -30vmax;
  background: radial-gradient(closest-side, color-mix(in oklab, var(--b-field-yuzu), transparent 70%), transparent 70%);
  animation: b-drift-a var(--b-drift) var(--b-ease-light) infinite;
}
[data-design="b"] .b-header__pool--b {
  right: -30vmax;
  background: radial-gradient(closest-side, color-mix(in oklab, var(--b-accent), transparent 78%), transparent 70%);
  animation: b-drift-b var(--b-cloud) var(--b-ease-light) infinite;
}
[data-design="b"] .b-header__bar {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--b-stretcher);
  padding: var(--b-batten) clamp(var(--b-stretcher), 4vw, var(--b-bay));
  min-height: 64px;
}
[data-design="b"] .b-header__logo {
  font-family: var(--b-font-display); font-weight: 400;
  font-size: clamp(16px, 1.5vw, 21px); letter-spacing: -0.01em;
  color: var(--b-ink); text-decoration: none;
}
[data-design="b"] .b-header__mark { display: block; line-height: 1.1; }
[data-design="b"] .b-header__hamburger {
  appearance: none; background: transparent; border: 1px solid var(--b-rule);
  border-radius: var(--b-radius-tape);
  width: 44px; height: 44px;
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  cursor: pointer; color: var(--b-ink); flex: 0 0 auto;
  transition: border-color var(--b-stroke) var(--b-ease-settle);
}
[data-design="b"] .b-header__hamburger:hover,
[data-design="b"] .b-header__hamburger:focus-visible { border-color: var(--b-ink); outline: none; }
[data-design="b"] .b-header__line {
  display: block; width: 18px; height: 1px; background: currentColor;
  transition: transform var(--b-stroke) var(--b-ease-settle);
}
[data-design="b"] .b-header__hamburger[aria-expanded="true"] .b-header__line:nth-child(1) { transform: translateY(3px) rotate(45deg); }
[data-design="b"] .b-header__hamburger[aria-expanded="true"] .b-header__line:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

/* ---------- Liner (drawer) ---------- */
[data-design="b"] .b-liner {
  position: fixed; inset: 0; z-index: 60;
  background: var(--b-paper-sub);
  padding: var(--b-court) clamp(var(--b-stretcher), 6vw, var(--b-elevation)) var(--b-bay);
  display: flex; flex-direction: column; gap: var(--b-bay);
  transform: translateY(-8px); opacity: 0;
  transition: transform var(--b-cure) var(--b-ease-settle), opacity var(--b-cure) var(--b-ease-settle);
}
[data-design="b"] .b-liner[hidden] { display: none; }
[data-design="b"] .b-liner[data-open="true"] { transform: translateY(0); opacity: 1; }
[data-design="b"] .b-liner__close {
  position: absolute; top: var(--b-span); right: clamp(var(--b-stretcher), 6vw, var(--b-elevation));
  appearance: none; background: transparent; border: 1px solid var(--b-rule);
  border-radius: var(--b-radius-tape); width: 44px; height: 44px;
  font-size: 26px; line-height: 1; color: var(--b-ink); cursor: pointer;
  transition: border-color var(--b-stroke) var(--b-ease-settle);
}
[data-design="b"] .b-liner__close:hover, [data-design="b"] .b-liner__close:focus-visible { border-color: var(--b-ink); outline: none; }
[data-design="b"] .b-liner__links { display: flex; flex-direction: column; }
[data-design="b"] .b-liner__links a {
  font-family: var(--b-font-display); font-weight: 300;
  font-size: clamp(28px, 4vw, 48px); letter-spacing: -0.015em;
  color: var(--b-ink); text-decoration: none;
  padding: var(--b-batten) 0; border-bottom: 1px solid var(--b-rule);
}
[data-design="b"] .b-liner__ctas { display: flex; flex-wrap: wrap; align-items: center; gap: var(--b-span); margin-top: auto; }
[data-design="b"] .b-liner__tel {
  font-family: var(--b-font-meta); font-size: 16px; letter-spacing: 0.08em;
  color: var(--b-ink); text-decoration: none; padding: 12px 4px; min-height: 44px;
  display: inline-flex; align-items: center;
}
[data-design="b"] .b-liner__tel:hover { color: var(--b-accent); }

/* ---------- Stroke (button) ---------- */
[data-design="b"] .b-stroke {
  position: relative; isolation: isolate; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--b-stretcher);
  padding: 15px 24px; min-height: 48px; border: 0;
  border-radius: var(--b-radius-tape);
  font-family: var(--b-font-body); font-weight: 500; font-size: 15px; line-height: 1;
  letter-spacing: 0.01em; text-decoration: none; cursor: pointer;
  transition: transform var(--b-stroke) var(--b-ease-stroke),
              background-color var(--b-stroke) var(--b-ease-settle),
              box-shadow var(--b-stroke) var(--b-ease-settle);
}
[data-design="b"] .b-stroke--field {
  background: var(--b-accent); color: var(--b-paper);
  box-shadow: 0 1px 0 color-mix(in oklab, var(--b-accent-ink), transparent 50%);
}
[data-design="b"] .b-stroke__sheen {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(105deg, transparent 30%, color-mix(in oklab, var(--b-paper), transparent 80%) 50%, transparent 70%);
  transform: translateX(-130%);
  animation: b-sheen 5000ms var(--b-ease-light) infinite;
}
[data-design="b"] .b-stroke__label, [data-design="b"] .b-stroke__arrow { position: relative; z-index: 1; }
[data-design="b"] .b-stroke__arrow { display: inline-flex; transition: transform var(--b-stroke) var(--b-ease-settle); }
[data-design="b"] .b-stroke--field:hover, [data-design="b"] .b-stroke--field:focus-visible {
  outline: none; transform: translateY(-1px);
  box-shadow: 0 2px 0 color-mix(in oklab, var(--b-accent-ink), transparent 30%),
              0 0 0 2px color-mix(in oklab, var(--b-accent), transparent 70%);
}
[data-design="b"] .b-stroke--field:hover .b-stroke__sheen { animation-duration: 1800ms; }
[data-design="b"] .b-stroke--field:hover .b-stroke__arrow { transform: translateX(3px); }
[data-design="b"] .b-stroke--field:active {
  background: var(--b-accent-ink); transform: translateY(0.5px);
  box-shadow: inset 0 1px 0 color-mix(in oklab, var(--b-ink), transparent 60%), 0 0 0 0 transparent;
}

/* ---------- Hero — ONE animated ambient layer (daylight crossing a wall) ---------- */
[data-design="b"] .b-hero {
  position: relative; isolation: isolate; overflow: hidden;
  padding: clamp(96px, 14vw, 168px) clamp(var(--b-stretcher), 6vw, var(--b-elevation)) clamp(72px, 10vw, 120px);
  background: var(--b-field-lime);
  min-height: clamp(540px, 72vh, 760px);
  display: flex; align-items: center;
}
[data-design="b"] .b-hero__field { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
/* static plaster plane beneath (allowed — not the moving layer) */
[data-design="b"] .b-hero__wall {
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(91deg, transparent 0, transparent 86px,
      color-mix(in oklab, var(--b-ink), transparent 94%) 86px,
      color-mix(in oklab, var(--b-ink), transparent 94%) 87px),
    linear-gradient(180deg, color-mix(in oklab, var(--b-field-lime), var(--b-paper) 40%), var(--b-field-lime) 55%, color-mix(in oklab, var(--b-field-lime), var(--b-ink) 6%));
}
/* THE single moving layer — a broad daylight wash that drifts diagonally across the wall,
   perpetual + perceptible at rest (clears the Phase-4.10 motion-delta floor). */
[data-design="b"] .b-hero__daylight {
  position: absolute; inset: -45%;
  background:
    radial-gradient(42% 36% at 30% 24%, color-mix(in oklab, #FFFAEF, transparent 8%), color-mix(in oklab, #FFFAEF, transparent 55%) 38%, transparent 64%),
    radial-gradient(38% 32% at 76% 74%, color-mix(in oklab, var(--b-accent), transparent 66%), transparent 68%);
  will-change: transform, opacity;
  animation: b-hero-daylight 13000ms var(--b-ease-light) infinite,
             b-hero-arrive 1600ms var(--b-ease-settle) both;
}
[data-design="b"] .b-hero__inner {
  position: relative; z-index: 1;
  max-width: 60ch; width: 100%;
  display: flex; flex-direction: column; align-items: flex-start; gap: var(--b-span);
}
[data-design="b"] .b-hero__eyebrow {
  font-family: var(--b-font-meta); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--b-ink-2);
}
[data-design="b"] .b-hero__title {
  font-family: var(--b-font-display); font-weight: 300;
  font-size: clamp(36px, 6.4vw, 78px); line-height: 1.04; letter-spacing: -0.02em;
  color: var(--b-ink); text-wrap: balance; max-width: 18ch;
  opacity: 1;
}
[data-design="b"] .b-hero__sub {
  font-family: var(--b-font-display); font-weight: 300;
  font-size: clamp(20px, 2.6vw, 30px); line-height: 1.2; letter-spacing: -0.01em;
  color: var(--b-ink-2); max-width: 34ch;
}
[data-design="b"] .b-hero__proof {
  font-family: var(--b-font-meta); font-size: clamp(11px, 1vw, 13px);
  letter-spacing: 0.06em; color: var(--b-ink-3);
  padding-top: var(--b-batten); border-top: 1px solid var(--b-rule);
}
[data-design="b"] .b-hero__cta { margin-top: var(--b-batten); }

/* ---------- E6 pointer (coverage / wet-edge wayfinding; visibly rendered) ---------- */
[data-design="b"] .b-pointer {
  display: flex; justify-content: center;
  background: var(--b-paper);
  padding: clamp(40px, 8vw, 80px) 16px clamp(48px, 9vw, 88px);
  min-height: 132px;
}
[data-design="b"] .b-pointer__hit {
  display: inline-flex; flex-direction: column; align-items: center; gap: 14px;
  text-decoration: none; color: var(--b-ink-2);
}
[data-design="b"] .b-pointer__label {
  font-family: var(--b-font-meta); font-size: 12px; letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: b-pointer-breath 6s var(--b-ease-light) infinite;
}
[data-design="b"] .b-pointer__rule {
  position: relative; display: block; width: 1px; height: 56px;
  background: var(--b-rule); overflow: hidden;
}
[data-design="b"] .b-pointer__wet {
  position: absolute; left: 0; top: 0; width: 100%; height: 60%;
  background: linear-gradient(180deg, transparent, var(--b-accent));
  transform: translateY(-100%);
  animation: b-pointer-wet 4200ms var(--b-ease-settle) infinite;
}
[data-design="b"] .b-pointer__glyph { font-size: 18px; line-height: 1; color: var(--b-accent); }

/* ---------- Funnel (E5) ---------- */
[data-design="b"] .b-funnel {
  padding: var(--b-court) clamp(var(--b-stretcher), 6vw, var(--b-elevation)) var(--b-elevation);
  background: var(--b-paper);
  border-top: 1px solid var(--b-rule);
}
[data-design="b"] .b-funnel__header { display: flex; flex-direction: column; gap: var(--b-batten); max-width: 56ch; margin-bottom: var(--b-bay); }
[data-design="b"] .b-funnel__eyebrow, [data-design="b"] .b-ambient-a__eyebrow,
[data-design="b"] .b-services__eyebrow, [data-design="b"] .b-process__eyebrow,
[data-design="b"] .b-about__eyebrow, [data-design="b"] .b-area__eyebrow {
  font-family: var(--b-font-meta); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--b-ink-2);
}
[data-design="b"] .b-funnel__title, [data-design="b"] .b-ambient-a__title,
[data-design="b"] .b-services__title, [data-design="b"] .b-process__title,
[data-design="b"] .b-area__title {
  font-family: var(--b-font-display); font-weight: 300;
  font-size: clamp(30px, 4.4vw, 56px); line-height: 1.06; letter-spacing: -0.015em; color: var(--b-ink);
}
[data-design="b"] .b-funnel__lede { color: var(--b-ink-2); max-width: 56ch; line-height: 1.55; }
[data-design="b"] .b-funnel__shell {
  border: 1px solid var(--b-rule); border-radius: var(--b-radius-edge);
  background: var(--b-paper-sub);
  padding: clamp(var(--b-span), 4vw, var(--b-bay));
}
[data-design="b"] .b-funnel__progress { display: flex; gap: var(--b-batten); margin-bottom: var(--b-bay); }
[data-design="b"] .b-funnel__progress li { height: 3px; flex: 1; background: var(--b-rule); border-radius: 2px; transition: background-color var(--b-stroke) var(--b-ease-settle); }
[data-design="b"] .b-funnel__progress li.is-active { background: var(--b-accent); }
[data-design="b"] .b-funnel__step { display: none; border: 0; padding: 0; margin: 0; min-width: 0; }
[data-design="b"] .b-funnel__step.is-active { display: block; animation: b-step-in var(--b-cure) var(--b-ease-settle) both; }
[data-design="b"] .b-funnel__legend {
  display: flex; align-items: baseline; gap: var(--b-stretcher); padding: 0; margin-bottom: var(--b-span);
  font-family: var(--b-font-display); font-weight: 400; font-size: clamp(22px, 2.6vw, 32px);
  letter-spacing: -0.01em; color: var(--b-ink);
}
[data-design="b"] .b-funnel__num { font-family: var(--b-font-meta); font-size: 13px; letter-spacing: 0.14em; color: var(--b-accent); }
[data-design="b"] .b-funnel__options { display: flex; flex-wrap: wrap; gap: var(--b-batten); }
[data-design="b"] .b-funnel__opt {
  appearance: none; cursor: pointer; min-height: 48px;
  padding: 13px 20px; border: 1px solid var(--b-rule); border-radius: var(--b-radius-tape);
  background: var(--b-paper); color: var(--b-ink);
  font-family: var(--b-font-body); font-size: 16px; text-align: left;
  transition: border-color var(--b-tick) var(--b-ease-settle), background-color var(--b-tick) var(--b-ease-settle), transform var(--b-tick) var(--b-ease-settle);
}
[data-design="b"] .b-funnel__opt:hover, [data-design="b"] .b-funnel__opt:focus-visible {
  border-color: var(--b-accent); background: color-mix(in oklab, var(--b-accent), transparent 92%); outline: none;
}
[data-design="b"] .b-funnel__opt:active { transform: translateY(0.5px); }
[data-design="b"] .b-funnel__fields { display: grid; grid-template-columns: 1fr 1fr; gap: var(--b-span); }
[data-design="b"] .b-spec { display: flex; flex-direction: column; gap: var(--b-batten); }
[data-design="b"] .b-spec--wide { grid-column: 1 / -1; }
[data-design="b"] .b-spec__label { font-family: var(--b-font-meta); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--b-ink-2); }
[data-design="b"] .b-spec__input {
  font-family: var(--b-font-body); font-size: 16px; color: var(--b-ink);
  background: var(--b-paper); border: 1px solid var(--b-rule); border-radius: var(--b-radius-tape);
  padding: 12px 14px; width: 100%; min-height: 48px;
  transition: border-color var(--b-tick) var(--b-ease-settle), box-shadow var(--b-tick) var(--b-ease-settle);
}
[data-design="b"] textarea.b-spec__input { resize: vertical; min-height: 88px; line-height: 1.5; }
[data-design="b"] .b-spec__input:focus-visible { outline: none; border-color: var(--b-accent); box-shadow: inset 0 -2px 0 var(--b-accent); }
[data-design="b"] .b-funnel__submit-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--b-span); margin-top: var(--b-bay); }
[data-design="b"] .b-funnel__back {
  appearance: none; background: transparent; border: 0; cursor: pointer;
  font-family: var(--b-font-meta); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--b-ink-2); padding: 12px 4px; min-height: 44px;
}
[data-design="b"] .b-funnel__back:hover { color: var(--b-ink); }
[data-design="b"] .b-funnel__note { margin-top: var(--b-span); color: var(--b-ink-3); font-size: 14px; line-height: 1.5; }
[data-design="b"] .b-funnel__done { animation: b-step-in var(--b-cure) var(--b-ease-settle) both; }
[data-design="b"] .b-funnel__done[hidden] { display: none; }
[data-design="b"] .b-funnel__done-title { font-family: var(--b-font-display); font-weight: 300; font-size: clamp(28px, 4vw, 48px); color: var(--b-ink); margin-bottom: var(--b-stretcher); }
[data-design="b"] .b-funnel__done-body { color: var(--b-ink-2); max-width: 48ch; line-height: 1.6; }
[data-design="b"] .b-funnel__done-body a, [data-design="b"] .b-funnel__note a { color: var(--b-accent); }

/* ---------- Ambient A — sample board (sheen renderings) ---------- */
[data-design="b"] .b-ambient-a {
  position: relative; isolation: isolate; overflow: hidden;
  padding: var(--b-court) clamp(var(--b-stretcher), 6vw, var(--b-elevation));
  background: var(--b-paper); border-block: 1px solid var(--b-rule);
}
[data-design="b"] .b-ambient-a__header { display: flex; flex-direction: column; gap: var(--b-batten); margin-bottom: var(--b-bay); max-width: 56ch; }
[data-design="b"] .b-ambient-a__board { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--b-stretcher); }
[data-design="b"] .b-sample { display: flex; flex-direction: column; background: var(--b-paper-sub); border: 1px solid var(--b-rule); border-radius: var(--b-radius-edge); overflow: hidden; }
[data-design="b"] .b-sample__field { aspect-ratio: 3 / 4; width: 100%; background: var(--b-field-lime); position: relative; }
[data-design="b"] .b-sample__label { font-family: var(--b-font-display); font-weight: 400; font-size: clamp(15px, 1.6vw, 18px); color: var(--b-ink); padding: var(--b-stretcher) var(--b-stretcher) var(--b-tape); }
[data-design="b"] .b-sample__meta { font-family: var(--b-font-meta); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--b-ink-3); padding: 0 var(--b-stretcher) var(--b-stretcher); }
[data-design="b"] .b-sample:nth-child(1) .b-sample__field { background: var(--b-field-lime); --b-sheen: 0.02; }
[data-design="b"] .b-sample:nth-child(2) .b-sample__field { background: color-mix(in oklab, var(--b-field-lime), var(--b-ink) 4%); --b-sheen: 0.07; }
[data-design="b"] .b-sample:nth-child(3) .b-sample__field { background: color-mix(in oklab, var(--b-field-lime), var(--b-ink) 6%); --b-sheen: 0.18; }
[data-design="b"] .b-sample:nth-child(4) .b-sample__field { background: color-mix(in oklab, var(--b-field-lime), var(--b-ink) 10%); --b-sheen: 0.38; }
[data-design="b"] .b-sample:nth-child(5) .b-sample__field { background: color-mix(in oklab, var(--b-field-ando), var(--b-paper) 35%); --b-sheen: 0.05; }
[data-design="b"] .b-sample__field::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 38%, rgba(255, 250, 240, var(--b-sheen, 0.12)) 50%, transparent 62%);
  transform: translateX(-120%); animation: b-board-sweep var(--b-light) var(--b-ease-light) infinite; pointer-events: none;
}
[data-design="b"] .b-sample:nth-child(2) .b-sample__field::after { animation-delay: -2400ms; }
[data-design="b"] .b-sample:nth-child(3) .b-sample__field::after { animation-delay: -4800ms; }
[data-design="b"] .b-sample:nth-child(4) .b-sample__field::after { animation-delay: -7200ms; }
[data-design="b"] .b-sample:nth-child(5) .b-sample__field::after { animation-delay: -9600ms; }
[data-design="b"] .b-ambient-a[data-paused="true"] .b-sample__field::after { animation-play-state: paused; }

/* ---------- Services (numbered index) ---------- */
[data-design="b"] .b-services { padding: var(--b-court) clamp(var(--b-stretcher), 6vw, var(--b-elevation)); background: var(--b-paper); }
[data-design="b"] .b-services__header { display: flex; flex-direction: column; gap: var(--b-batten); max-width: 56ch; margin-bottom: var(--b-bay); }
[data-design="b"] .b-services__list { display: flex; flex-direction: column; }
[data-design="b"] .b-service {
  display: grid; grid-template-columns: auto 1fr auto; align-items: start; gap: var(--b-span);
  padding: var(--b-bay) 0; border-top: 1px solid var(--b-rule);
}
[data-design="b"] .b-service:last-child { border-bottom: 1px solid var(--b-rule); }
[data-design="b"] .b-service__num { font-family: var(--b-font-meta); font-size: 13px; letter-spacing: 0.14em; color: var(--b-ink-3); padding-top: 6px; }
[data-design="b"] .b-service__name { font-family: var(--b-font-display); font-weight: 300; font-size: clamp(26px, 3.4vw, 40px); letter-spacing: -0.015em; color: var(--b-ink); margin-bottom: var(--b-batten); }
[data-design="b"] .b-service__desc { color: var(--b-ink-2); max-width: 56ch; line-height: 1.6; }
[data-design="b"] .b-service__chip { width: 56px; height: 56px; border: 1px solid var(--b-rule); border-radius: var(--b-radius-stamp); background: var(--b-field-lime); }
[data-design="b"] .b-service:nth-child(2) .b-service__chip { background: color-mix(in oklab, var(--b-field-lime), var(--b-ink) 8%); }
[data-design="b"] .b-service:nth-child(3) .b-service__chip { background: color-mix(in oklab, var(--b-field-ando), var(--b-paper) 30%); }

/* ---------- Ambient B — the wall + drifting daylight ---------- */
[data-design="b"] .b-ambient-b {
  position: relative; isolation: isolate; overflow: hidden;
  padding: clamp(80px, 16vw, 200px) clamp(var(--b-stretcher), 8vw, var(--b-elevation));
  background: var(--b-field-ando); color: var(--b-paper);
  border-block: 1px solid color-mix(in oklab, var(--b-field-ando), var(--b-ink) 25%);
}
[data-design="b"] .b-ambient-b__field {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background:
    repeating-linear-gradient(90deg, transparent 0, transparent 122px,
      color-mix(in oklab, var(--b-ink), transparent 88%) 122px,
      color-mix(in oklab, var(--b-ink), transparent 88%) 124px),
    radial-gradient(120% 80% at 30% 20%, color-mix(in oklab, var(--b-paper), transparent 78%), transparent 70%);
}
[data-design="b"] .b-ambient-b__cloud { position: absolute; width: 140%; height: 200%; top: -50%; border-radius: 50%; filter: blur(60px); pointer-events: none; will-change: transform, opacity; }
[data-design="b"] .b-ambient-b__cloud--1 { left: -50%; background: radial-gradient(closest-side, color-mix(in oklab, var(--b-paper), transparent 70%), transparent 65%); animation: b-cloud-drift var(--b-cloud) var(--b-ease-light) infinite; }
[data-design="b"] .b-ambient-b__cloud--2 { right: -55%; background: radial-gradient(closest-side, color-mix(in oklab, var(--b-ink), transparent 82%), transparent 65%); animation: b-cloud-drift-rev calc(var(--b-cloud) * 1.4) var(--b-ease-light) infinite; }
[data-design="b"] .b-ambient-b__quote { position: relative; z-index: 1; max-width: 36ch; }
[data-design="b"] .b-ambient-b__quote p { margin-bottom: var(--b-bay); font-family: var(--b-font-display); font-weight: 300; font-size: clamp(26px, 3.4vw, 48px); line-height: 1.18; letter-spacing: -0.015em; text-wrap: balance; }
[data-design="b"] .b-ambient-b__attr { display: flex; flex-direction: column; gap: 4px; font-family: var(--b-font-meta); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: color-mix(in oklab, var(--b-paper), transparent 35%); }
[data-design="b"] .b-ambient-b__attr-name { color: var(--b-paper); }
[data-design="b"] .b-ambient-b[data-paused="true"] .b-ambient-b__cloud { animation-play-state: paused; }

/* ---------- Process ---------- */
[data-design="b"] .b-process { padding: var(--b-court) clamp(var(--b-stretcher), 6vw, var(--b-elevation)); background: var(--b-paper); }
[data-design="b"] .b-process__header { display: flex; flex-direction: column; gap: var(--b-batten); max-width: 56ch; margin-bottom: var(--b-bay); }
[data-design="b"] .b-process__track { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--b-span); }
[data-design="b"] .b-phase { padding-top: var(--b-stretcher); border-top: 2px solid var(--b-accent); }
[data-design="b"] .b-phase__index { font-family: var(--b-font-meta); font-size: 12px; letter-spacing: 0.14em; color: var(--b-ink-3); }
[data-design="b"] .b-phase__name { font-family: var(--b-font-display); font-weight: 400; font-size: clamp(20px, 2.2vw, 26px); letter-spacing: -0.01em; color: var(--b-ink); margin: var(--b-batten) 0; }
[data-design="b"] .b-phase__desc { color: var(--b-ink-2); font-size: 16px; line-height: 1.55; }

/* ---------- About ---------- */
[data-design="b"] .b-about {
  position: relative; display: grid; grid-template-columns: 5fr 7fr; align-items: stretch;
  background: var(--b-paper); border-top: 1px solid var(--b-rule);
}
[data-design="b"] .b-about__field { position: relative; overflow: hidden; min-height: 280px; background: var(--b-field-ando); }
[data-design="b"] .b-about__field::after {
  content: ""; position: absolute; inset: 0;
  background:
    repeating-linear-gradient(90deg, transparent 0, transparent 70px, color-mix(in oklab, var(--b-ink), transparent 86%) 70px, color-mix(in oklab, var(--b-ink), transparent 86%) 72px),
    radial-gradient(120% 80% at 70% 30%, color-mix(in oklab, var(--b-paper), transparent 74%), transparent 68%);
}
[data-design="b"] .b-about__body { padding: var(--b-court) clamp(var(--b-stretcher), 6vw, var(--b-elevation)); display: flex; flex-direction: column; gap: var(--b-stretcher); align-items: flex-start; }
[data-design="b"] .b-about__title { font-family: var(--b-font-display); font-weight: 300; font-size: clamp(28px, 4vw, 48px); letter-spacing: -0.015em; color: var(--b-ink); }
[data-design="b"] .b-about__copy { color: var(--b-ink-2); max-width: 56ch; line-height: 1.65; }
[data-design="b"] .b-about__tel { font-family: var(--b-font-meta); font-size: 15px; letter-spacing: 0.06em; color: var(--b-accent); text-decoration: none; padding: 12px 0; min-height: 44px; display: inline-flex; align-items: center; }
[data-design="b"] .b-about__tel:hover { color: var(--b-accent-ink); }

/* ---------- Service area ---------- */
[data-design="b"] .b-area { padding: var(--b-court) clamp(var(--b-stretcher), 6vw, var(--b-elevation)); background: var(--b-paper-sub); border-top: 1px solid var(--b-rule); }
[data-design="b"] .b-area__header { display: flex; flex-direction: column; gap: var(--b-stretcher); max-width: 56ch; }
[data-design="b"] .b-area__copy { color: var(--b-ink-2); line-height: 1.6; }

/* ---------- Footer (sumi band) ---------- */
[data-design="b"] .b-footer { position: relative; isolation: isolate; overflow: hidden; background: var(--b-field-sumi); color: var(--b-paper); padding: var(--b-court) clamp(var(--b-stretcher), 6vw, var(--b-elevation)) var(--b-bay); }
[data-design="b"] .b-footer__field {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(60% 60% at 20% 0%, color-mix(in oklab, var(--b-accent), transparent 72%), transparent 70%);
}
[data-design="b"] .b-footer__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 7fr 5fr; gap: var(--b-bay); align-items: start; }
[data-design="b"] .b-footer__title { font-family: var(--b-font-display); font-weight: 300; font-size: clamp(30px, 4.4vw, 56px); letter-spacing: -0.015em; color: var(--b-paper); }
[data-design="b"] .b-footer__copy { color: color-mix(in oklab, var(--b-paper), transparent 30%); margin: var(--b-stretcher) 0 var(--b-span); }
[data-design="b"] .b-footer__ctas { display: flex; flex-wrap: wrap; align-items: center; gap: var(--b-span); }
[data-design="b"] .b-footer__tel { font-family: var(--b-font-meta); font-size: 16px; letter-spacing: 0.08em; color: var(--b-paper); text-decoration: none; padding: 12px 4px; min-height: 44px; display: inline-flex; align-items: center; }
[data-design="b"] .b-footer__tel:hover { color: var(--b-field-yuzu); }
[data-design="b"] .b-footer__meta { display: flex; flex-direction: column; gap: var(--b-stretcher); }
[data-design="b"] .b-footer__line { display: flex; flex-wrap: wrap; gap: var(--b-batten) var(--b-stretcher); font-family: var(--b-font-meta); font-size: 12px; letter-spacing: 0.08em; color: color-mix(in oklab, var(--b-paper), transparent 45%); }
[data-design="b"] .b-footer__line > span:first-child { text-transform: uppercase; min-width: 96px; }
[data-design="b"] .b-footer__line a, [data-design="b"] .b-footer__line > span:last-child { color: var(--b-paper); text-decoration: none; word-break: break-word; }
[data-design="b"] .b-footer__line a:hover { color: var(--b-field-yuzu); }
[data-design="b"] .b-footer__social { display: flex; flex-wrap: wrap; gap: var(--b-span); margin-top: var(--b-batten); }
[data-design="b"] .b-footer__social a { font-family: var(--b-font-meta); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: color-mix(in oklab, var(--b-paper), transparent 25%); text-decoration: none; padding: 10px 0; min-height: 44px; display: inline-flex; align-items: center; }
[data-design="b"] .b-footer__social a:hover { color: var(--b-field-yuzu); }
[data-design="b"] .b-footer__legal { position: relative; z-index: 1; margin-top: var(--b-court); padding-top: var(--b-span); border-top: 1px solid color-mix(in oklab, var(--b-paper), transparent 84%); font-family: var(--b-font-meta); font-size: 11px; letter-spacing: 0.08em; color: color-mix(in oklab, var(--b-paper), transparent 55%); }

/* ---------- Keyframes ---------- */
@keyframes b-drift-a { 0% { transform: translate3d(0,0,0); } 50% { transform: translate3d(20vmax,4%,0); } 100% { transform: translate3d(0,0,0); } }
@keyframes b-drift-b { 0% { transform: translate3d(0,0,0); } 50% { transform: translate3d(-22vmax,-3%,0); } 100% { transform: translate3d(0,0,0); } }
@keyframes b-sheen { 0% { transform: translateX(-130%); } 60% { transform: translateX(130%); } 100% { transform: translateX(130%); } }
@keyframes b-board-sweep { 0% { transform: translateX(-120%); } 55% { transform: translateX(120%); } 100% { transform: translateX(120%); } }
@keyframes b-cloud-drift { 0% { transform: translate3d(0,0,0); opacity: 0.7; } 50% { transform: translate3d(28%,-8%,0); opacity: 1; } 100% { transform: translate3d(0,0,0); opacity: 0.7; } }
@keyframes b-cloud-drift-rev { 0% { transform: translate3d(0,0,0); opacity: 0.55; } 50% { transform: translate3d(-22%,6%,0); opacity: 0.85; } 100% { transform: translate3d(0,0,0); opacity: 0.55; } }
@keyframes b-step-in { 0% { opacity: 0; transform: translateY(8px); } 100% { opacity: 1; transform: translateY(0); } }
@keyframes b-pointer-breath { 0%,100% { opacity: 0.5; } 50% { opacity: 0.95; } }
@keyframes b-pointer-wet { 0% { transform: translateY(-100%); } 45% { transform: translateY(100%); } 100% { transform: translateY(100%); } }
/* hero: arrival, then sustained perceptible daylight drift */
@keyframes b-hero-arrive { 0% { opacity: 0; } 100% { opacity: 1; } }
@keyframes b-hero-daylight {
  0%   { transform: translate3d(-16%, -10%, 0) scale(1.05); }
  50%  { transform: translate3d(18%, 12%, 0) scale(1.16); }
  100% { transform: translate3d(-16%, -10%, 0) scale(1.05); }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  [data-design="b"] .b-about { grid-template-columns: 1fr; }
  [data-design="b"] .b-about__field { min-height: 200px; }
  [data-design="b"] .b-footer__inner { grid-template-columns: 1fr; }
}
@media (max-width: 880px) {
  [data-design="b"] .b-ambient-a__board { grid-template-columns: repeat(5, minmax(200px, 1fr)); overflow-x: auto; padding-bottom: var(--b-stretcher); scroll-snap-type: x mandatory; }
  [data-design="b"] .b-sample { scroll-snap-align: start; }
  [data-design="b"] .b-process__track { grid-template-columns: repeat(2, 1fr); gap: var(--b-bay) var(--b-span); }
}
@media (max-width: 640px) {
  [data-design="b"] .b-funnel__fields { grid-template-columns: 1fr; }
  [data-design="b"] .b-service { grid-template-columns: auto 1fr; }
  [data-design="b"] .b-service__chip { display: none; }
}
@media (max-width: 560px) {
  [data-design="b"] .b-hero { padding: clamp(80px, 18vw, 120px) var(--b-stretcher) var(--b-bay); min-height: 88vh; }
  [data-design="b"] .b-ambient-a, [data-design="b"] .b-funnel, [data-design="b"] .b-services,
  [data-design="b"] .b-process, [data-design="b"] .b-area { padding-left: var(--b-stretcher); padding-right: var(--b-stretcher); padding-top: var(--b-bay); }
  [data-design="b"] .b-ambient-b { padding: 96px var(--b-stretcher); }
  [data-design="b"] .b-about__body { padding: var(--b-bay) var(--b-stretcher); }
  [data-design="b"] .b-footer { padding: var(--b-bay) var(--b-stretcher); }
  [data-design="b"] .b-ambient-a__board { grid-template-columns: repeat(5, minmax(76vw, 78vw)); }
  [data-design="b"] .b-process__track { grid-template-columns: 1fr; }
}
@media (max-width: 380px) {
  [data-design="b"] .b-header__logo { font-size: 15px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .b-header__pool { animation: none; opacity: 0.32; transform: translate3d(12vmax,0,0); }
  [data-design="b"] .b-header__pool--b { transform: translate3d(-12vmax,0,0); }
  [data-design="b"] .b-liner { transition: none; }
  [data-design="b"] .b-stroke__sheen { animation: none; opacity: 0.18; transform: translateX(0); }
  [data-design="b"] .b-stroke, [data-design="b"] .b-stroke__arrow { transition: none; }
  [data-design="b"] .b-hero__daylight { animation: b-hero-arrive 1200ms var(--b-ease-settle) both; transform: translate3d(2%, 2%, 0) scale(1.08); }
  [data-design="b"] .b-sample__field::after { animation: none; transform: translateX(20%); opacity: 0.7; }
  [data-design="b"] .b-ambient-b__cloud { animation: none; transform: translate3d(15%,-4%,0); opacity: 0.7; }
  [data-design="b"] .b-ambient-b__cloud--2 { transform: translate3d(-12%,3%,0); opacity: 0.65; }
  [data-design="b"] .b-pointer__label { animation: none; opacity: 0.8; }
  [data-design="b"] .b-pointer__wet { animation: none; transform: translateY(10%); }
  [data-design="b"] .b-funnel__step.is-active, [data-design="b"] .b-funnel__done { animation: none; }
}

/* ---------- Mobile clip guards (MANDATORY — appended at bottom) ---------- */
[data-design="b"].dq-design,[data-design="b"] .dq-design{max-width:100%;overflow-x:clip;}
[data-design="b"] *{min-width:0;}
[data-design="b"] img,[data-design="b"] svg:not([data-keep-size]){max-width:100%;height:auto;}

/* Phase-3.4 hero visibility floor (forge_assemble) */
[data-design="b"] [data-mf-role="hero"] :is(h1,h2,p,.headline,.subtitle,.proof,[class*="headline"],[class*="subtitle"],[class*="proof"]),
[data-design="b"] [data-mf-role="cta"] { opacity: 1 !important; }