/* =========================================================================
   DESIGN B — "Beam & Bay" (Japanese timber-frame joinery × Shaker catalog)
   Slot-scoped [data-design="b"]. Site for Newton Construction, North Las Vegas NV.
   Keyframes prefixed bb-. Warm cedar/walnut/brass — distinct from Site A (krone).
   ========================================================================= */

@import url("https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,700;1,400;1,500;1,700&family=Spectral:ital,wght@0,400;0,500;1,400&family=DM+Mono:wght@400;500&display=swap");

[data-design="b"] {
  /* color tokens — sunlit cedar paper, walnut ink, brass hardware (~14 tokens) */
  --bb-cedar-50:   #f6efe1;
  --bb-cedar-100:  #ece2cb;
  --bb-cedar-200:  #d8c8a5;
  --bb-walnut-900: #1f130a;
  --bb-walnut-700: #3d2a18;
  --bb-walnut-500: #7b5a3a;
  --bb-walnut-300: #a8896b;
  --bb-brass-500:  #a9762f;
  --bb-brass-700:  #824e1d;
  --bb-brass-100:  #ecd6a8;
  --bb-rust-700:   #8a3920;
  --bb-sap-700:    #3e6038;

  /* required exposed primary */
  --design-b-primary: var(--bb-brass-500);

  /* type */
  --bb-font-display: "Cormorant Garamond", "EB Garamond", Georgia, serif;
  --bb-font-body:    "Spectral", "Source Serif Pro", Georgia, serif;
  --bb-font-mono:    "DM Mono", "JetBrains Mono", ui-monospace, monospace;

  /* fluid scale */
  --bb-fs-detail:  clamp(11px, 0.4vw + 9px, 13px);
  --bb-fs-caption: clamp(13px, 0.4vw + 11px, 15px);
  --bb-fs-body:    clamp(17px, 0.4vw + 15px, 19px);
  --bb-fs-body-lg: clamp(19px, 0.9vw + 15px, 24px);
  --bb-fs-headline:clamp(26px, 3.2vw + 16px, 36px);
  --bb-fs-display-1: clamp(40px, 7vw + 8px, 76px);
  --bb-fs-display-2: clamp(30px, 4.2vw + 14px, 56px);

  /* spacing — joinery primitives */
  --bb-shaving: 4px; --bb-tick: 8px; --bb-mortise: 12px; --bb-tenon: 24px;
  --bb-rafter: 40px; --bb-bay: 64px; --bb-bent: 96px; --bb-storey: 128px; --bb-ridge: 160px;

  /* motion */
  --bb-ease-plane:  cubic-bezier(0.35, 0.85, 0.3, 1);
  --bb-ease-chisel: cubic-bezier(0.6, 0, 0.4, 1);
  --bb-ease-fit:    cubic-bezier(0.18, 1.3, 0.4, 1);
  --bb-ease-swing:  cubic-bezier(0.5, 0, 0.5, 1);
  --bb-ease-breath: cubic-bezier(0.45, 0, 0.55, 1);
  --bb-dur-fb: 150ms; --bb-dur-plane: 320ms; --bb-dur-fit: 520ms;
  --bb-dur-strike: 600ms; --bb-dur-raise: 1100ms;
  --bb-dur-breath-fast: 6s; --bb-dur-breath-slow: 28s;

  --bb-radius-chamfer: 3px; --bb-radius-eased: 6px;
  --bb-shadow-paper: 0 0 0 1px var(--bb-walnut-300), 0 6px 14px -4px rgba(31,19,10,0.10);
  --bb-shadow-bench-lift: 0 0 0 1px var(--bb-walnut-300), 0 14px 36px -8px rgba(31,19,10,0.18);
  --bb-shadow-chamfer: inset 0 -1px 0 0 rgba(31,19,10,0.18), inset 0 1px 0 0 rgba(246,239,225,0.6);

  background: var(--bb-cedar-50);
  color: var(--bb-walnut-900);
  font-family: var(--bb-font-body);
  font-size: var(--bb-fs-body);
  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"] a { color: inherit; }

/* ---------- ELEMENT 1 — Title-plate header ---------- */
[data-design="b"] .bb-header { position: sticky; top: 0; z-index: 50; background: var(--bb-cedar-50); border-bottom: 1px solid var(--bb-walnut-300); overflow: hidden; }
[data-design="b"] .bb-header__grain {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.7;
  background:
    repeating-linear-gradient(0deg, transparent 0 2px, rgba(123,90,58,0.04) 2px 3px, transparent 3px 6px),
    linear-gradient(90deg, transparent 0%, rgba(123,90,58,0.06) 35%, transparent 70%);
  background-size: 100% 100%, 240% 100%;
  animation: bb-grain-drift var(--bb-dur-breath-slow) linear infinite;
}
@keyframes bb-grain-drift { from { background-position: 0 0, 0% 0%; } to { background-position: 0 0, 240% 0%; } }
[data-design="b"] .bb-header__bracket { position: absolute; right: clamp(var(--bb-tenon), 4vw, var(--bb-rafter)); bottom: 6px; width: 56px; height: 28px; color: var(--bb-brass-500); pointer-events: none; }
[data-design="b"] .bb-bracket-line { stroke-dasharray: 100; stroke-dashoffset: 100; animation: bb-bracket-cycle 22s var(--bb-ease-breath) infinite; }
@keyframes bb-bracket-cycle { 0% { stroke-dashoffset: 100; } 25% { stroke-dashoffset: 0; } 75% { stroke-dashoffset: 0; } 100% { stroke-dashoffset: -100; } }

[data-design="b"] .bb-header__bar { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: var(--bb-tenon); flex-wrap: wrap; padding: var(--bb-mortise) clamp(var(--bb-tenon), 4vw, var(--bb-rafter)); min-height: 64px; }
[data-design="b"] .bb-logo { display: inline-flex; align-items: center; gap: var(--bb-mortise); text-decoration: none; color: var(--bb-walnut-900); font-family: var(--bb-font-display); font-weight: 500; font-size: clamp(19px, 1.4vw + 14px, 23px); letter-spacing: -0.005em; }
[data-design="b"] .bb-logo__chip { width: 14px; height: 14px; background: var(--bb-brass-500); display: inline-block; transform: rotate(45deg); border-radius: 1px; flex: none; }
[data-design="b"] .bb-logo__mark { font-style: italic; }

[data-design="b"] .bb-hamburger { display: inline-flex; flex-direction: column; gap: 5px; background: transparent; border: 1px solid var(--bb-walnut-700); padding: 12px 14px; min-width: 44px; min-height: 44px; cursor: pointer; border-radius: var(--bb-radius-chamfer); align-items: center; justify-content: center; }
[data-design="b"] .bb-hamburger:hover { border-color: var(--bb-brass-500); }
[data-design="b"] .bb-hamburger__rule { display: block; width: 18px; height: 1px; background: var(--bb-walnut-900); }

[data-design="b"] .bb-drawer { position: fixed; inset: 0 0 0 auto; width: min(440px, 92vw); background: var(--bb-cedar-100); border-left: 4px solid var(--bb-brass-500); box-shadow: var(--bb-shadow-bench-lift); padding: var(--bb-bay) var(--bb-rafter) var(--bb-rafter); transform: translateX(100%); transition: transform var(--bb-dur-raise) var(--bb-ease-plane); z-index: 100; display: flex; flex-direction: column; }
[data-design="b"] .bb-drawer[data-open="true"] { transform: translateX(0); }
[data-design="b"] .bb-drawer[hidden] { display: none; }
[data-design="b"] .bb-drawer__close { position: absolute; top: var(--bb-tenon); right: var(--bb-tenon); width: 44px; height: 44px; background: transparent; border: 1px solid var(--bb-walnut-700); border-radius: var(--bb-radius-chamfer); font-size: 26px; line-height: 1; color: var(--bb-walnut-900); cursor: pointer; }
[data-design="b"] .bb-drawer__close:hover { border-color: var(--bb-brass-500); }
[data-design="b"] .bb-drawer__nav { display: flex; flex-direction: column; gap: var(--bb-mortise); margin-top: var(--bb-tenon); }
[data-design="b"] .bb-drawer__nav a { font-family: var(--bb-font-display); font-weight: 500; font-size: clamp(26px, 3vw + 16px, 30px); color: var(--bb-walnut-900); text-decoration: none; padding: var(--bb-tick) 0; position: relative; display: inline-flex; gap: var(--bb-mortise); align-items: baseline; min-height: 44px; }
[data-design="b"] .bb-drawer__nav a::before { content: attr(data-num); font-family: var(--bb-font-mono); font-size: 12px; color: var(--bb-walnut-500); letter-spacing: 0.06em; }
[data-design="b"] .bb-drawer__nav a::after { content: ""; position: absolute; left: 38px; right: 0; bottom: -2px; height: 1px; background: var(--bb-brass-500); transform: scaleX(0); transform-origin: left; transition: transform var(--bb-dur-plane) var(--bb-ease-plane); }
[data-design="b"] .bb-drawer__nav a:hover::after, [data-design="b"] .bb-drawer__nav a:focus-visible::after { transform: scaleX(1); }
[data-design="b"] .bb-drawer__contact { margin-top: auto; padding-top: var(--bb-rafter); border-top: 1px solid var(--bb-walnut-300); display: flex; flex-direction: column; gap: var(--bb-tick); }
[data-design="b"] .bb-drawer__phone { font-family: var(--bb-font-display); font-style: italic; font-size: 28px; color: var(--bb-brass-700); text-decoration: none; }
[data-design="b"] .bb-drawer__meta { font-family: var(--bb-font-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--bb-walnut-500); text-transform: uppercase; }

/* ---------- ELEMENT 2 — Tenon-fit CTA ---------- */
[data-design="b"] .bb-cta {
  position: relative; display: inline-flex; align-items: center; gap: var(--bb-tick);
  padding: 16px 24px; min-height: 56px;
  background: var(--bb-brass-500); color: var(--bb-walnut-900);
  font-family: var(--bb-font-display); font-weight: 500; font-size: 21px; letter-spacing: -0.005em;
  text-decoration: none; border: 1px solid var(--bb-brass-700);
  border-radius: var(--bb-radius-chamfer); box-shadow: var(--bb-shadow-chamfer);
  transition: transform var(--bb-dur-plane) var(--bb-ease-plane), background var(--bb-dur-plane) var(--bb-ease-plane), box-shadow var(--bb-dur-plane) var(--bb-ease-plane);
  cursor: pointer; animation: bb-cta-warm var(--bb-dur-breath-fast) var(--bb-ease-breath) infinite;
}
[data-design="b"] .bb-cta__mortise { position: absolute; inset: -8px; border: 1px solid var(--bb-brass-500); border-radius: calc(var(--bb-radius-chamfer) + 4px); opacity: 0; transition: opacity var(--bb-dur-plane) var(--bb-ease-plane), inset var(--bb-dur-plane) var(--bb-ease-plane); pointer-events: none; }
[data-design="b"] .bb-cta__arrow { font-size: 18px; line-height: 1; }
[data-design="b"] .bb-cta__num { position: absolute; right: 8px; bottom: 4px; font-family: var(--bb-font-mono); font-size: 9px; letter-spacing: 0.1em; opacity: 0.6; }
[data-design="b"] .bb-cta:hover { transform: translateY(-1px); }
[data-design="b"] .bb-cta:hover .bb-cta__mortise { opacity: 1; }
[data-design="b"] .bb-cta:active { transform: translateY(2px); background: var(--bb-brass-700); box-shadow: inset 0 3px 0 0 rgba(31,19,10,0.25), inset 0 1px 0 0 rgba(246,239,225,0.4); animation: bb-cta-fit var(--bb-dur-fit) var(--bb-ease-fit); }
[data-design="b"] .bb-cta:focus-visible { outline: 2px solid var(--bb-brass-700); outline-offset: 3px; }
[data-design="b"] .bb-cta--ghost { background: transparent; color: var(--bb-walnut-900); border-color: var(--bb-walnut-700); box-shadow: none; animation: none; }
[data-design="b"] .bb-cta--ghost:hover { border-color: var(--bb-brass-500); }
@keyframes bb-cta-warm { 0%, 100% { background: var(--bb-brass-500); } 50% { background: #b8853a; } }
@keyframes bb-cta-fit { 0% { transform: translateY(-1px); } 40% { transform: translateY(4px); } 70% { transform: translateY(1px); } 100% { transform: translateY(2px); } }

/* ---------- ELEMENT 3 — Hero substrate "bent raising" (ONE moving layer, sustained ambient) ---------- */
[data-design="b"] .bb-hero { position: relative; overflow: hidden; padding: clamp(var(--bb-bent), 14vw, var(--bb-ridge)) clamp(var(--bb-tenon), 5vw, var(--bb-rafter)) var(--bb-storey); background: var(--bb-cedar-50); }
[data-design="b"] .bb-hero__substrate { position: absolute; inset: 0; pointer-events: none; color: var(--bb-walnut-700); display: flex; align-items: flex-end; justify-content: flex-end; padding: 0 clamp(var(--bb-tenon), 4vw, var(--bb-rafter)) var(--bb-bay); }
[data-design="b"] .bb-bent { width: min(760px, 92%); height: auto; opacity: 0.4; animation: bb-bent-breathe 8s var(--bb-ease-breath) infinite; transform-origin: 70% 80%; }
[data-design="b"] .bb-bent-line { stroke-dasharray: 100; stroke-dashoffset: 100; animation: bb-bent-draw 16s var(--bb-ease-plane) infinite; }
[data-design="b"] .bb-bent-line:nth-child(1) { animation-delay: 0s; }
[data-design="b"] .bb-bent-line:nth-child(2) { animation-delay: 0.7s; }
[data-design="b"] .bb-bent-line:nth-child(3) { animation-delay: 1.6s; }
[data-design="b"] .bb-bent-line:nth-child(4) { animation-delay: 2.3s; }
[data-design="b"] .bb-bent-line:nth-child(5) { animation-delay: 2.9s; }
[data-design="b"] .bb-bent-line:nth-child(6) { animation-delay: 3.2s; }
[data-design="b"] .bb-bent-line:nth-child(7) { animation-delay: 3.7s; }
[data-design="b"] .bb-bent-callout { font-family: var(--bb-font-mono); font-size: 11px; fill: currentColor; opacity: 0; letter-spacing: 0.08em; animation: bb-bent-callout-fade 16s var(--bb-ease-breath) infinite; animation-delay: 5s; }
/* continuous draw/erase — no long static plateau, so the substrate is never frozen at rest */
@keyframes bb-bent-draw {
  0%   { stroke-dashoffset: 100; opacity: 0; }
  12%  { opacity: 1; }
  42%  { stroke-dashoffset: 0; opacity: 1; }
  58%  { stroke-dashoffset: 0; opacity: 1; }
  90%  { stroke-dashoffset: -100; opacity: 0; }
  100% { stroke-dashoffset: -100; opacity: 0; }
}
/* whole-bent slow breathing guarantees perceptible pixel delta at every sample point */
@keyframes bb-bent-breathe {
  0%, 100% { opacity: 0.26; transform: translateY(0) scale(1); }
  50%      { opacity: 0.52; transform: translateY(-16px) scale(1.03); }
}
@keyframes bb-bent-callout-fade { 0%, 24% { opacity: 0; } 42%, 60% { opacity: 0.9; } 82%, 100% { opacity: 0; } }

[data-design="b"] .bb-hero__bay { position: relative; z-index: 2; max-width: 62ch; }
[data-design="b"] .bb-hero__id { font-family: var(--bb-font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--bb-walnut-500); margin: 0 0 var(--bb-tenon); padding-bottom: var(--bb-tick); border-bottom: 1px solid var(--bb-walnut-300); display: inline-block; opacity: 1; }
[data-design="b"] .bb-hero__title { font-family: var(--bb-font-display); font-weight: 500; font-size: var(--bb-fs-display-1); line-height: 1.05; letter-spacing: -0.012em; color: var(--bb-walnut-900); margin: 0 0 var(--bb-tenon); text-wrap: pretty; opacity: 1; }
[data-design="b"] .bb-hero__title em { font-style: italic; font-weight: 500; color: var(--bb-brass-700); }
[data-design="b"] .bb-hero__lede { font-family: var(--bb-font-body); font-size: var(--bb-fs-body-lg); line-height: 1.55; color: var(--bb-walnut-700); margin: 0 0 var(--bb-mortise); max-width: 54ch; opacity: 1; }
[data-design="b"] .bb-hero__proof { font-family: var(--bb-font-mono); font-size: var(--bb-fs-caption); line-height: 1.5; color: var(--bb-walnut-500); letter-spacing: 0.02em; margin: 0 0 var(--bb-rafter); opacity: 1; }
[data-design="b"] .bb-hero__cta-row { display: flex; gap: var(--bb-tenon); flex-wrap: wrap; align-items: center; }
[data-design="b"] .bb-chip { font-family: var(--bb-font-mono); font-size: 11px; letter-spacing: 0.12em; color: var(--bb-walnut-900); background: var(--bb-cedar-200); border: 1px solid var(--bb-brass-500); border-radius: 999px; padding: 8px 16px; min-height: 36px; display: inline-flex; align-items: center; white-space: nowrap; }

/* ---------- ELEMENT 6 — Plumb-bob pointer (between hero & funnel; visibly rendered) ---------- */
[data-design="b"] .bb-pointer { display: flex; flex-direction: column; align-items: center; margin: calc(var(--bb-storey) * -0.35) auto var(--bb-tenon); width: 64px; cursor: pointer; background: transparent; border: 0; padding: 0; color: var(--bb-walnut-700); }
[data-design="b"] .bb-pointer__svg { width: 100%; height: 200px; display: block; overflow: visible; }
[data-design="b"] .bb-pointer__line { stroke-dashoffset: 100; animation: bb-pointer-drop 1.4s var(--bb-ease-plane) 0.3s forwards; }
[data-design="b"] .bb-pointer__bob { opacity: 0; transform-box: view-box; transform-origin: 30px 130px; animation: bb-pointer-arrive 0.8s var(--bb-ease-fit) 1.5s forwards, bb-pointer-swing var(--bb-dur-breath-fast) var(--bb-ease-swing) infinite 2.4s; }
[data-design="b"] .bb-pointer__label { font-family: var(--bb-font-mono); font-size: 11px; letter-spacing: 0.2em; color: var(--bb-walnut-700); text-transform: uppercase; margin-top: var(--bb-tick); opacity: 0; animation: bb-pointer-label 0.6s var(--bb-ease-plane) 2.2s forwards; }
@keyframes bb-pointer-drop { to { stroke-dashoffset: 0; } }
@keyframes bb-pointer-arrive { 0% { transform: rotate(-18deg); opacity: 0; } 60% { transform: rotate(6deg); opacity: 1; } 100% { transform: rotate(0deg); opacity: 1; } }
@keyframes bb-pointer-swing { 0%, 100% { transform: rotate(-2deg); } 50% { transform: rotate(2deg); } }
@keyframes bb-pointer-label { to { opacity: 1; } }

/* ---------- ELEMENT 5 — "Frame raising" funnel ---------- */
[data-design="b"] .bb-funnel { padding: var(--bb-storey) clamp(var(--bb-tenon), 5vw, var(--bb-rafter)); background: var(--bb-cedar-50); }
[data-design="b"] .bb-funnel__head { margin-bottom: var(--bb-rafter); max-width: 64ch; }
[data-design="b"] .bb-funnel__id { font-family: var(--bb-font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--bb-walnut-500); margin: 0 0 var(--bb-tick); padding-bottom: var(--bb-tick); border-bottom: 1px solid var(--bb-walnut-300); display: inline-block; }
[data-design="b"] .bb-funnel__title { font-family: var(--bb-font-display); font-weight: 500; font-size: var(--bb-fs-display-2); letter-spacing: -0.012em; margin: 0 0 var(--bb-mortise); line-height: 1.1; }
[data-design="b"] .bb-funnel__sub { font-family: var(--bb-font-body); font-size: var(--bb-fs-body); line-height: 1.55; color: var(--bb-walnut-700); margin: 0; max-width: 58ch; }

[data-design="b"] .bb-funnel__manifest { background: var(--bb-cedar-100); border: 1px solid var(--bb-walnut-300); border-radius: var(--bb-radius-eased); padding: var(--bb-tenon); margin-bottom: var(--bb-rafter); position: relative; min-height: 64px; }
[data-design="b"] .bb-funnel__manifest-id { position: absolute; top: -10px; left: var(--bb-tenon); background: var(--bb-cedar-50); padding: 0 var(--bb-tick); font-family: var(--bb-font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--bb-walnut-500); }
[data-design="b"] .bb-funnel__manifest-list { display: grid; grid-template-columns: max-content 1fr; gap: var(--bb-tick) var(--bb-tenon); margin: 0; min-height: 32px; font-family: var(--bb-font-mono); font-size: 13px; }
[data-design="b"] .bb-funnel__manifest-list:empty::before { content: "(no pieces logged yet)"; color: var(--bb-walnut-500); font-style: italic; font-family: var(--bb-font-body); font-size: 14px; grid-column: 1 / -1; }
[data-design="b"] .bb-funnel__manifest-list dt { color: var(--bb-walnut-500); text-transform: uppercase; letter-spacing: 0.08em; }
[data-design="b"] .bb-funnel__manifest-list dd { margin: 0; color: var(--bb-walnut-900); font-weight: 500; font-family: var(--bb-font-display); font-size: 16px; }
[data-design="b"] .bb-funnel__manifest-list dd[data-fresh="true"] { animation: bb-piece-set var(--bb-dur-strike) var(--bb-ease-fit); }
@keyframes bb-piece-set { 0% { transform: translateY(-8px) scale(0.96); opacity: 0; color: var(--bb-brass-700); } 60% { transform: translateY(2px) scale(1.02); opacity: 1; color: var(--bb-brass-700); } 100% { transform: translateY(0) scale(1); opacity: 1; color: var(--bb-walnut-900); } }

[data-design="b"] .bb-funnel__sheets { position: relative; border: 1px solid var(--bb-walnut-300); background: var(--bb-cedar-50); border-radius: var(--bb-radius-eased); padding: clamp(var(--bb-tenon), 4vw, var(--bb-rafter)); min-height: 340px; overflow: hidden; box-shadow: var(--bb-shadow-paper); }
[data-design="b"] .bb-funnel__step { border: 0; padding: 0; margin: 0; display: none; }
[data-design="b"] .bb-funnel__step[data-active="true"] { display: block; animation: bb-step-raise var(--bb-dur-raise) var(--bb-ease-plane) forwards; }
@keyframes bb-step-raise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
[data-design="b"] .bb-funnel__step-id { font-family: var(--bb-font-mono); font-size: 13px; letter-spacing: 0.1em; color: var(--bb-walnut-500); text-transform: uppercase; margin-bottom: var(--bb-tenon); padding: 0; }
[data-design="b"] .bb-funnel__choices { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--bb-mortise); }
[data-design="b"] .bb-funnel__choice {
  font-family: var(--bb-font-display); font-weight: 500; font-size: 22px; letter-spacing: -0.008em;
  background: var(--bb-cedar-50); color: var(--bb-walnut-900);
  border: 1px solid var(--bb-walnut-700); border-radius: var(--bb-radius-chamfer);
  padding: 18px 22px; text-align: left; cursor: pointer; min-height: 64px; position: relative;
  transition: background var(--bb-dur-fb) var(--bb-ease-plane), color var(--bb-dur-fb) var(--bb-ease-plane), border-color var(--bb-dur-fb) var(--bb-ease-plane), transform var(--bb-dur-fb) var(--bb-ease-plane);
}
[data-design="b"] .bb-funnel__choice::after { content: ""; position: absolute; right: 18px; top: 50%; width: 14px; height: 1px; background: currentColor; transform: translateY(-50%) scaleX(0); transform-origin: right; transition: transform var(--bb-dur-plane) var(--bb-ease-plane); }
[data-design="b"] .bb-funnel__choice:hover { background: var(--bb-cedar-200); border-color: var(--bb-brass-500); }
[data-design="b"] .bb-funnel__choice:hover::after { transform: translateY(-50%) scaleX(1); }
[data-design="b"] .bb-funnel__choice:active { transform: translateY(2px); background: var(--bb-brass-100); }
[data-design="b"] .bb-funnel__choice[data-chosen="true"] { background: var(--bb-brass-100); border-color: var(--bb-brass-500); }
[data-design="b"] .bb-funnel__choice:focus-visible { outline: 2px solid var(--bb-brass-500); outline-offset: 2px; }

[data-design="b"] .bb-funnel__contact { display: grid; grid-template-columns: 1fr 1fr; gap: var(--bb-tenon); }
[data-design="b"] .bb-funnel__contact .bb-funnel__submit { grid-column: 1 / -1; justify-self: flex-start; }
[data-design="b"] .bb-field { display: flex; flex-direction: column; gap: var(--bb-tick); }
[data-design="b"] .bb-field--wide { grid-column: 1 / -1; }
[data-design="b"] .bb-field span { font-family: var(--bb-font-mono); font-size: 12px; letter-spacing: 0.08em; color: var(--bb-walnut-500); text-transform: uppercase; }
[data-design="b"] .bb-field__input { font-family: var(--bb-font-body); font-size: 18px; padding: 12px 8px; border-top: 1px solid var(--bb-walnut-300); border-bottom: 1px solid var(--bb-walnut-300); border-left: 1px solid var(--bb-walnut-300); border-right: 0; background: transparent; color: var(--bb-walnut-900); transition: border-color var(--bb-dur-plane) var(--bb-ease-plane); width: 100%; }
[data-design="b"] .bb-field__area { resize: vertical; min-height: 80px; }
[data-design="b"] .bb-field__input:focus { outline: none; border-color: var(--bb-walnut-900); border-left-color: var(--bb-brass-500); }
[data-design="b"] .bb-funnel__note { grid-column: 1 / -1; font-family: var(--bb-font-body); font-size: var(--bb-fs-caption); color: var(--bb-walnut-500); margin: 0; line-height: 1.5; }

[data-design="b"] .bb-funnel__nav { display: flex; align-items: center; gap: var(--bb-tenon); margin-top: var(--bb-tenon); flex-wrap: wrap; }
[data-design="b"] .bb-funnel__back { background: transparent; border: 1px solid var(--bb-walnut-700); padding: 10px 14px; min-height: 44px; font-family: var(--bb-font-mono); font-size: 12px; letter-spacing: 0.08em; color: var(--bb-walnut-900); cursor: pointer; border-radius: var(--bb-radius-chamfer); }
[data-design="b"] .bb-funnel__back[hidden] { display: none; }
[data-design="b"] .bb-funnel__progress { flex: 1; min-width: 120px; height: 1px; background: var(--bb-walnut-300); position: relative; }
[data-design="b"] .bb-funnel__progress-fill { position: absolute; left: 0; top: -1px; bottom: -1px; width: 20%; background: var(--bb-brass-500); transition: width var(--bb-dur-raise) var(--bb-ease-plane); }
[data-design="b"] .bb-funnel__counter { font-family: var(--bb-font-mono); font-size: 13px; letter-spacing: 0.08em; color: var(--bb-walnut-500); }

[data-design="b"] .bb-funnel__raised { display: flex; flex-direction: column; align-items: center; text-align: center; padding: var(--bb-rafter) 0; }
[data-design="b"] .bb-funnel__raised[hidden] { display: none !important; }
[data-design="b"] .bb-funnel__accept { width: 160px; height: 160px; color: var(--bb-sap-700); margin-bottom: var(--bb-tenon); animation: bb-accept-set 720ms var(--bb-ease-fit) both; }
[data-design="b"] .bb-funnel__accept svg { width: 100%; height: 100%; display: block; }
@keyframes bb-accept-set { 0% { transform: scale(0.6) rotate(-8deg); opacity: 0; } 55% { transform: scale(1.05) rotate(-3deg); opacity: 1; } 100% { transform: scale(1) rotate(-4deg); opacity: 1; } }
[data-design="b"] .bb-funnel__raised-title { font-family: var(--bb-font-display); font-weight: 500; font-style: italic; font-size: 32px; letter-spacing: -0.01em; margin: 0 0 var(--bb-mortise); }
[data-design="b"] .bb-funnel__raised-body { font-family: var(--bb-font-body); font-size: 18px; line-height: 1.55; color: var(--bb-walnut-700); max-width: 52ch; margin: 0; }
[data-design="b"] .bb-funnel__refnum, [data-design="b"] .bb-funnel__phonelink { font-family: var(--bb-font-mono); color: var(--bb-walnut-900); }

/* ---------- ELEMENT 4 — Services "joint engagement" ---------- */
[data-design="b"] .bb-services { position: relative; padding: var(--bb-storey) clamp(var(--bb-tenon), 5vw, var(--bb-rafter)); background: var(--bb-cedar-100); overflow: hidden; }
[data-design="b"] .bb-services__grain {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.55;
  background:
    repeating-linear-gradient(0deg, transparent 0 3px, rgba(123,90,58,0.06) 3px 4px, transparent 4px 8px),
    linear-gradient(90deg, transparent 0%, rgba(123,90,58,0.08) 30%, transparent 60%);
  background-size: 100% 100%, 200% 100%;
  animation: bb-services-grain var(--bb-dur-breath-slow) linear infinite;
}
@keyframes bb-services-grain { from { background-position: 0 0, 0% 0; } to { background-position: 0 0, 200% 0; } }
[data-design="b"] .bb-services__head { position: relative; z-index: 1; margin-bottom: var(--bb-rafter); }
[data-design="b"] .bb-services__id { font-family: var(--bb-font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--bb-walnut-500); margin: 0 0 var(--bb-tick); padding-bottom: var(--bb-tick); border-bottom: 1px solid var(--bb-walnut-300); display: inline-block; }
[data-design="b"] .bb-services__title { font-family: var(--bb-font-display); font-weight: 500; font-size: var(--bb-fs-display-2); letter-spacing: -0.012em; margin: 0; line-height: 1.1; }
[data-design="b"] .bb-services__list { position: relative; z-index: 1; list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--bb-tenon); }
[data-design="b"] .bb-joint-row {
  display: grid; grid-template-columns: 72px 1fr auto; gap: var(--bb-tenon); align-items: center; padding: var(--bb-tenon);
  background: var(--bb-cedar-50); border: 1px solid var(--bb-walnut-300); border-radius: var(--bb-radius-eased);
  box-shadow: var(--bb-shadow-paper);
  transition: transform var(--bb-dur-plane) var(--bb-ease-plane), box-shadow var(--bb-dur-plane) var(--bb-ease-plane);
  opacity: 0; transform: translateY(8px);
}
[data-design="b"] .bb-joint-row[data-in-view="true"] { opacity: 1; transform: translateY(0); transition: opacity 600ms var(--bb-ease-plane), transform 600ms var(--bb-ease-plane); }
[data-design="b"] .bb-joint-row:hover { transform: translateY(-2px); box-shadow: var(--bb-shadow-bench-lift); }
[data-design="b"] .bb-joint { width: 64px; height: 64px; color: var(--bb-walnut-900); display: block; }
[data-design="b"] .bb-joint svg { width: 100%; height: 100%; display: block; }
[data-design="b"] .bb-joint__tenon { transform: translateX(8px); transition: transform var(--bb-dur-fit) var(--bb-ease-fit); }
[data-design="b"] .bb-joint-row:hover .bb-joint__tenon { transform: translateX(0); }
[data-design="b"] .bb-joint__mortise { transition: stroke var(--bb-dur-plane) var(--bb-ease-plane); }
[data-design="b"] .bb-joint-row:hover .bb-joint__mortise { stroke: var(--bb-brass-500); }
[data-design="b"] .bb-joint-row__body h3 { font-family: var(--bb-font-display); font-size: clamp(22px, 2.4vw, 30px); font-weight: 500; letter-spacing: -0.008em; margin: 0 0 var(--bb-tick); line-height: 1.15; }
[data-design="b"] .bb-joint-row__body p { font-family: var(--bb-font-body); font-size: 17px; line-height: 1.55; color: var(--bb-walnut-700); margin: 0; max-width: 56ch; }
[data-design="b"] .bb-joint-row__meta { font-family: var(--bb-font-mono); font-size: 12px; letter-spacing: 0.06em; color: var(--bb-brass-700); padding: 4px 8px; border: 1px solid currentColor; border-radius: var(--bb-radius-chamfer); white-space: nowrap; align-self: flex-start; }
[data-design="b"] .bb-services__note { position: relative; z-index: 1; font-family: var(--bb-font-body); font-style: italic; font-size: var(--bb-fs-caption); color: var(--bb-walnut-500); margin: var(--bb-rafter) 0 0; max-width: 60ch; line-height: 1.55; }
[data-design="b"] .bb-services__cta { position: relative; z-index: 1; margin-top: var(--bb-bay); }

/* ---------- PROCESS ---------- */
[data-design="b"] .bb-process { padding: var(--bb-storey) clamp(var(--bb-tenon), 5vw, var(--bb-rafter)); background: var(--bb-cedar-50); }
[data-design="b"] .bb-process__head { margin-bottom: var(--bb-rafter); }
[data-design="b"] .bb-process__id { font-family: var(--bb-font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--bb-walnut-500); margin: 0 0 var(--bb-tick); padding-bottom: var(--bb-tick); border-bottom: 1px solid var(--bb-walnut-300); display: inline-block; }
[data-design="b"] .bb-process__title { font-family: var(--bb-font-display); font-weight: 500; font-style: italic; font-size: var(--bb-fs-display-2); letter-spacing: -0.012em; margin: 0; line-height: 1.1; }
[data-design="b"] .bb-process__steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: var(--bb-rafter); }
[data-design="b"] .bb-process__step { display: flex; gap: var(--bb-tenon); align-items: flex-start; padding-top: var(--bb-tenon); border-top: 1px solid var(--bb-walnut-300); }
[data-design="b"] .bb-process__num { font-family: var(--bb-font-mono); font-size: 13px; color: var(--bb-brass-700); letter-spacing: 0.1em; padding-top: 6px; flex: none; }
[data-design="b"] .bb-process__step h3 { font-family: var(--bb-font-display); font-weight: 500; font-size: clamp(22px, 2.4vw, 28px); margin: 0 0 var(--bb-tick); letter-spacing: -0.008em; }
[data-design="b"] .bb-process__step p { font-family: var(--bb-font-body); font-size: 17px; line-height: 1.55; color: var(--bb-walnut-700); margin: 0; }

/* ---------- THE FIRM ---------- */
[data-design="b"] .bb-firm { padding: var(--bb-storey) clamp(var(--bb-tenon), 5vw, var(--bb-rafter)); background: var(--bb-cedar-100); }
[data-design="b"] .bb-firm__grid { display: grid; grid-template-columns: 7fr 5fr; gap: var(--bb-bay); align-items: start; }
[data-design="b"] .bb-firm__id { font-family: var(--bb-font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--bb-walnut-500); margin: 0 0 var(--bb-tick); padding-bottom: var(--bb-tick); border-bottom: 1px solid var(--bb-walnut-300); display: inline-block; }
[data-design="b"] .bb-firm__title { font-family: var(--bb-font-display); font-weight: 500; font-size: var(--bb-fs-headline); letter-spacing: -0.01em; margin: 0 0 var(--bb-tenon); line-height: 1.15; }
[data-design="b"] .bb-firm__body { font-family: var(--bb-font-body); font-size: var(--bb-fs-body-lg); line-height: 1.6; color: var(--bb-walnut-700); margin: 0; max-width: 58ch; }
[data-design="b"] .bb-firm__cutlist { margin: 0; font-family: var(--bb-font-mono); }
[data-design="b"] .bb-firm__cutlist > div { display: flex; align-items: baseline; gap: var(--bb-tick); padding: var(--bb-mortise) 0; border-bottom: 1px dotted var(--bb-walnut-300); }
[data-design="b"] .bb-firm__cutlist dt { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--bb-walnut-500); flex: none; }
[data-design="b"] .bb-firm__cutlist dd { margin: 0 0 0 auto; text-align: right; font-family: var(--bb-font-display); font-size: 18px; color: var(--bb-walnut-900); }

/* ---------- FOOTER ---------- */
[data-design="b"] .bb-footer { background: var(--bb-cedar-50); padding: var(--bb-bay) clamp(var(--bb-tenon), 5vw, var(--bb-rafter)) var(--bb-rafter); }
[data-design="b"] .bb-footer__rule { display: flex; justify-content: center; align-items: center; height: 20px; margin-bottom: var(--bb-bay); }
[data-design="b"] .bb-footer__rule span { display: block; height: 1px; width: 50%; background: var(--bb-walnut-300); }
[data-design="b"] .bb-footer__rule span:first-child { transform: rotate(0.6deg); transform-origin: right; }
[data-design="b"] .bb-footer__rule span:last-child { transform: rotate(-0.6deg); transform-origin: left; }
[data-design="b"] .bb-footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--bb-rafter); margin-bottom: var(--bb-bay); }
[data-design="b"] .bb-footer__mark { font-family: var(--bb-font-display); font-style: italic; font-weight: 500; font-size: 28px; color: var(--bb-walnut-900); display: block; margin-bottom: var(--bb-mortise); }
[data-design="b"] .bb-footer__tag { font-family: var(--bb-font-body); font-size: var(--bb-fs-caption); color: var(--bb-walnut-700); margin: 0 0 var(--bb-tenon); max-width: 38ch; line-height: 1.55; }
[data-design="b"] .bb-footer__h { font-family: var(--bb-font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--bb-walnut-500); margin: 0 0 var(--bb-mortise); }
[data-design="b"] .bb-footer__line { display: block; font-family: var(--bb-font-body); font-size: var(--bb-fs-caption); color: var(--bb-walnut-900); text-decoration: none; margin-bottom: var(--bb-tick); line-height: 1.5; }
[data-design="b"] a.bb-footer__line:hover { color: var(--bb-brass-700); }
[data-design="b"] .bb-footer__addr { color: var(--bb-walnut-700); }
[data-design="b"] .bb-footer__muted { color: var(--bb-walnut-500); font-style: italic; }
[data-design="b"] .bb-footer__base { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--bb-mortise); padding-top: var(--bb-tenon); border-top: 1px solid var(--bb-walnut-300); font-family: var(--bb-font-mono); font-size: 11px; letter-spacing: 0.08em; color: var(--bb-walnut-500); }
[data-design="b"] .bb-footer__meta { text-transform: uppercase; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  [data-design="b"] .bb-firm__grid { grid-template-columns: 1fr; gap: var(--bb-rafter); }
  [data-design="b"] .bb-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  [data-design="b"] .bb-joint-row { grid-template-columns: 48px 1fr; }
  [data-design="b"] .bb-joint { width: 48px; height: 48px; }
  [data-design="b"] .bb-joint-row__meta { grid-column: 1 / -1; justify-self: flex-start; }
}
@media (max-width: 640px) {
  [data-design="b"] .bb-funnel__choices, [data-design="b"] .bb-funnel__contact { grid-template-columns: 1fr; }
  [data-design="b"] .bb-footer__grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  [data-design="b"] .bb-pointer { width: 48px; }
  [data-design="b"] .bb-pointer__svg { height: 160px; }
}

@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .bb-header__grain,
  [data-design="b"] .bb-bracket-line,
  [data-design="b"] .bb-services__grain,
  [data-design="b"] .bb-cta { animation: none; }
  [data-design="b"] .bb-bracket-line { stroke-dashoffset: 0; }
  [data-design="b"] .bb-bent { animation: none; opacity: 0.4; transform: none; }
  [data-design="b"] .bb-bent-line { animation: none; stroke-dashoffset: 0; opacity: 1; }
  [data-design="b"] .bb-bent-callout { animation: none; opacity: 0.9; }
  [data-design="b"] .bb-pointer__line { animation: none; stroke-dashoffset: 0; }
  [data-design="b"] .bb-pointer__bob { animation: none; opacity: 1; transform: rotate(0deg); }
  [data-design="b"] .bb-pointer__label { animation: none; opacity: 1; }
  [data-design="b"] .bb-joint__tenon { transform: translateX(0); }
  [data-design="b"] .bb-joint-row { opacity: 1; transform: none; }
  [data-design="b"] .bb-funnel__step,
  [data-design="b"] .bb-funnel__manifest-list dd,
  [data-design="b"] .bb-funnel__accept { animation: none !important; opacity: 1; transform: none; }
}

/* ===== MANDATORY mobile-safety guard (append 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; }