/* =================================================================
   Design B — Bench Mark × All Phases Building
   All selectors scoped [data-design="b"]
   ZERO bench-mark-namespaced selectors. All remapped to "b".
   Keyframes prefixed b-.
   ~12–16 color tokens on [data-design="b"] root block.
   ================================================================= */

/* ── Google Fonts load ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Public+Sans:ital,wght@0,100..900;1,100..900&family=Lora:ital,wght@0,400..700;1,400..700&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ── Token system ──────────────────────────────────────────────── */
/* Exposed on the design root block; --design-b-primary required */
[data-design="b"] {
  /* Color — 13 tokens */
  --b-bone-50:    #f7f4ed;
  --b-bone-100:   #ede9dd;
  --b-bone-200:   #dcd5bf;
  --b-ink-900:    #10172a;
  --b-ink-700:    #2a3450;
  --b-ink-500:    #576180;
  --b-ink-300:    #9098b4;
  --b-sage-600:   #5e7f4f;
  --b-sage-100:   #dde7d2;
  --b-ochre-600:  #a37b22;
  --b-purple-600: #5e2a6e;
  --b-stake-700:  #8a2522;
  --b-stake-100:  #f3d6d3;

  /* Primary exposed per contract */
  --design-b-primary: var(--b-sage-600);

  /* Typography */
  --b-font-display: "Public Sans", "Inter Tight", system-ui, sans-serif;
  --b-font-body:    "Lora", "Source Serif 4", Georgia, serif;
  --b-font-mono:    "IBM Plex Mono", ui-monospace, monospace;

  /* Spacing (survey primitives) */
  --b-tick:       4px;
  --b-graticule:  8px;
  --b-station:    12px;
  --b-traverse:   24px;
  --b-baseline:   40px;
  --b-quadrangle: 64px;
  --b-span:       96px;
  --b-storey:     128px;
  --b-datum:      192px;

  /* Motion */
  --b-ease-survey:  cubic-bezier(0.4, 0.05, 0.2, 1);
  --b-ease-stake:   cubic-bezier(0.6, 0, 0.3, 1);
  --b-ease-settle:  cubic-bezier(0.22, 0.61, 0.36, 1);
  --b-ease-bearing: cubic-bezier(0.16, 1.2, 0.4, 1);
  --b-ease-breath:  cubic-bezier(0.45, 0, 0.55, 1);
  --b-dur-fb:       140ms;
  --b-dur-settle:   260ms;
  --b-dur-stake:    420ms;
  --b-dur-bearing:  900ms;
  --b-dur-survey:   1500ms;
  --b-dur-breath-fast: 6s;
  --b-dur-breath-mid:  16s;
  --b-dur-breath-slow: 32s;

  /* Radius */
  --b-radius-0:    0;
  --b-radius-tick: 2px;
  --b-radius-card: 4px;
  --b-mark:        50%;
  --b-pill:        999px;

  /* Shadow */
  --b-shadow-paper:      0 0 0 1px var(--b-ink-300), 0 6px 16px -4px rgba(16,23,42,0.08);
  --b-shadow-paper-lift: 0 0 0 1px var(--b-ink-300), 0 14px 36px -8px rgba(16,23,42,0.14);
  --b-shadow-stake-press: inset 0 2px 0 0 var(--b-sage-600), 0 0 0 2px rgba(94,127,79,0.18);

  /* Base */
  background: var(--b-bone-50);
  color: var(--b-ink-900);
  font-family: var(--b-font-body);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── ELEMENT 1 — Header "Quadrangle title" ─────────────────────── */
[data-design="b"] .b-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--b-bone-50);
  border-bottom: 1px solid var(--b-ink-300);
  overflow: hidden;
}

[data-design="b"] .b-header__contours {
  position: absolute; inset: 0;
  color: var(--b-sage-600); opacity: 0.45; pointer-events: none;
}
[data-design="b"] .b-contours-svg { width: 100%; height: 100%; display: block; }
[data-design="b"] .b-contour {
  stroke-dasharray: 100; stroke-dashoffset: 100;
  animation: b-contour-draw var(--b-dur-breath-slow) var(--b-ease-survey) infinite;
}
[data-design="b"] .b-contour:nth-child(1) { animation-delay: 0s; }
[data-design="b"] .b-contour:nth-child(2) { animation-delay: 3s; }
[data-design="b"] .b-contour:nth-child(3) { animation-delay: 6s; }
@keyframes b-contour-draw {
  0%   { stroke-dashoffset: 100; opacity: 0; }
  10%  { opacity: 1; }
  45%  { stroke-dashoffset: 0; opacity: 1; }
  75%  { stroke-dashoffset: 0; opacity: 1; }
  92%  { stroke-dashoffset: -100; opacity: 0; }
  100% { stroke-dashoffset: -100; opacity: 0; }
}

[data-design="b"] .b-header__bar {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--b-station) clamp(var(--b-traverse), 4vw, var(--b-baseline));
  min-height: 64px;
}

/* Logo — only text-bearing child outside drawer */
[data-design="b"] .b-logo {
  display: inline-flex; align-items: center; gap: var(--b-station);
  text-decoration: none; color: var(--b-ink-900);
  font-family: var(--b-font-display); font-weight: 600; font-size: 21px;
  letter-spacing: -0.008em;
}
[data-design="b"] .b-logo__arrow { width: 22px; height: 22px; color: var(--b-ink-900); }
[data-design="b"] .b-logo__arrow svg { width: 100%; height: 100%; display: block; }
[data-design="b"] .b-logo__needle {
  transform-origin: 12px 12px;
  animation: b-needle 60s linear infinite;
}
@keyframes b-needle { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
[data-design="b"] .b-logo__mark { line-height: 1; }

/* Hamburger */
[data-design="b"] .b-hamburger {
  display: inline-flex; flex-direction: column; gap: 5px;
  background: transparent; border: 1px solid var(--b-ink-700);
  padding: 10px 12px; cursor: pointer;
  border-radius: var(--b-radius-tick);
  min-width: 44px; min-height: 44px; align-items: center; justify-content: center;
}
[data-design="b"] .b-hamburger:hover { border-color: var(--b-sage-600); }
[data-design="b"] .b-hamburger__rule {
  display: block; width: 18px; height: 1px; background: var(--b-ink-900);
}

/* Drawer — display:none when hidden (hidden attr), transform slide */
[data-design="b"] .b-drawer {
  position: fixed; inset: 0 0 0 auto;
  width: min(440px, 90vw);
  background: var(--b-bone-50); border-left: 3px solid var(--b-sage-600);
  box-shadow: var(--b-shadow-paper-lift);
  padding: var(--b-baseline);
  transform: translateX(100%);
  transition: transform var(--b-dur-bearing) var(--b-ease-survey);
  z-index: 100;
}
[data-design="b"] .b-drawer[hidden] { display: none; }
[data-design="b"] .b-drawer[data-open="true"] { display: block; transform: translateX(0); }

[data-design="b"] .b-drawer__close {
  position: absolute; top: var(--b-traverse); right: var(--b-traverse);
  background: transparent; border: 1px solid var(--b-ink-300);
  color: var(--b-ink-700); cursor: pointer;
  padding: 6px 10px; border-radius: var(--b-radius-tick);
  font-size: 16px; min-width: 44px; min-height: 44px;
  display: flex; align-items: center; justify-content: center;
}
[data-design="b"] .b-drawer__close:hover { border-color: var(--b-stake-700); color: var(--b-stake-700); }

[data-design="b"] .b-drawer__nav {
  display: flex; flex-direction: column; gap: var(--b-station);
  margin-top: var(--b-storey);
}
[data-design="b"] .b-drawer__nav a {
  font-family: var(--b-font-display); font-weight: 600; font-size: 28px;
  letter-spacing: -0.008em; color: var(--b-ink-900); text-decoration: none;
  padding: var(--b-tick) 0; position: relative;
  display: inline-flex; gap: var(--b-station); align-items: baseline;
}
[data-design="b"] .b-drawer__nav a::before {
  content: attr(data-num);
  font-family: var(--b-font-mono); font-size: 12px;
  color: var(--b-sage-600); letter-spacing: 0.06em;
  opacity: 0.3;
  transition: opacity var(--b-dur-settle) var(--b-ease-settle);
}
[data-design="b"] .b-drawer__nav a:hover::before { opacity: 1; }
[data-design="b"] .b-drawer__nav a::after {
  content: ""; position: absolute; left: 38px; right: 0; bottom: 0;
  height: 1px; background: var(--b-sage-600);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--b-dur-settle) var(--b-ease-settle);
}
[data-design="b"] .b-drawer__nav a:hover::after { transform: scaleX(1); }

[data-design="b"] .b-drawer__ctas {
  display: flex; flex-direction: column; gap: var(--b-traverse);
  margin-top: var(--b-baseline);
}
[data-design="b"] .b-drawer__phone {
  display: flex; align-items: center; gap: var(--b-station);
  font-family: var(--b-font-mono); font-size: 17px; letter-spacing: 0.04em;
  color: var(--b-ink-900); text-decoration: none; padding: var(--b-station) 0;
  border-bottom: 1px solid var(--b-ink-300);
}
[data-design="b"] .b-drawer__phone:hover { color: var(--b-sage-600); }

[data-design="b"] .b-drawer__meta {
  position: absolute; bottom: var(--b-traverse); left: var(--b-baseline);
  font-family: var(--b-font-mono); font-size: 11px; letter-spacing: 0.1em;
  color: var(--b-ink-500); text-transform: uppercase;
}
[data-design="b"] .b-drawer__backdrop {
  display: none; position: fixed; inset: 0; background: rgba(16,23,42,0.45);
  z-index: -1;
}
[data-design="b"] .b-drawer[data-open="true"] .b-drawer__backdrop { display: block; }

/* ── ELEMENT 3 / Hero — substrate + text ───────────────────────── */
[data-design="b"] .b-hero {
  position: relative; overflow: hidden;
  padding: var(--b-datum) clamp(var(--b-traverse), 5vw, var(--b-baseline)) var(--b-storey);
  background: var(--b-bone-50);
  min-height: 60vh;
}

/* Animated backdrop — ONE layer, arrival + sustained ambient */
[data-design="b"] .b-hero__substrate {
  position: absolute; inset: 0; pointer-events: none;
  display: flex; align-items: flex-end; justify-content: flex-end;
}
[data-design="b"] .b-frame-svg {
  width: 100%; height: 100%;
  display: block; position: absolute; inset: 0;
}

/* Framing grid lines — stroke-draw arrival */
[data-design="b"] .b-frame-line {
  stroke-dasharray: 100; stroke-dashoffset: 100;
  animation: b-frame-draw 2s var(--b-ease-survey) forwards;
}
[data-design="b"] .b-frame-line:nth-child(1) { animation-delay: 0.1s; }
[data-design="b"] .b-frame-line:nth-child(2) { animation-delay: 0.3s; }
[data-design="b"] .b-frame-line:nth-child(3) { animation-delay: 0.5s; }
[data-design="b"] .b-frame-line:nth-child(4) { animation-delay: 0.2s; }
[data-design="b"] .b-frame-line:nth-child(5) { animation-delay: 0.4s; }
[data-design="b"] .b-frame-line:nth-child(6) { animation-delay: 0.6s; }
[data-design="b"] .b-frame-line:nth-child(7) { animation-delay: 0.8s; }
@keyframes b-frame-draw { to { stroke-dashoffset: 0; } }

/* Dimension annotations — fade in after grid */
[data-design="b"] .b-frame-dims {
  animation: b-dims-in 0.8s var(--b-ease-survey) 1.6s forwards;
}
@keyframes b-dims-in { from { opacity: 0; } to { opacity: 1; } }

/* Benchmark cross — draw with stake easing */
[data-design="b"] .b-benchmark-cross {
  opacity: 0;
  animation: b-cross-in 0.6s var(--b-ease-stake) 1.8s forwards;
}
@keyframes b-cross-in { to { opacity: 1; } }

/* Topo rings — sustained ambient (the perceptible ongoing motion) */
[data-design="b"] .b-topo {
  stroke-dasharray: 100; stroke-dashoffset: 100;
  animation: b-topo-ambient 18s var(--b-ease-survey) infinite;
}
[data-design="b"] .b-topo--1 { animation-delay: 0.5s; }
[data-design="b"] .b-topo--2 { animation-delay: 1.1s; }
[data-design="b"] .b-topo--3 { animation-delay: 1.7s; }
[data-design="b"] .b-topo--4 { animation-delay: 2.3s; }
@keyframes b-topo-ambient {
  0%   { stroke-dashoffset: 100; opacity: 0; }
  12%  { opacity: 1; }
  45%  { stroke-dashoffset: 0; opacity: 1; }
  72%  { stroke-dashoffset: 0; opacity: 0.9; }
  90%  { stroke-dashoffset: -100; opacity: 0; }
  100% { stroke-dashoffset: -100; opacity: 0; }
}

/* Hero text — opacity:1 at first paint, never hidden */
[data-design="b"] .b-hero__bay {
  position: relative; z-index: 2; max-width: 66ch;
}
[data-design="b"] .b-hero__id {
  font-family: var(--b-font-mono); font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--b-ink-500);
  margin: 0 0 var(--b-traverse); padding-bottom: var(--b-tick);
  border-bottom: 1px solid var(--b-ink-300); display: inline-block;
  opacity: 1;
}
[data-design="b"] .b-hero__row {
  display: flex; align-items: flex-end; gap: var(--b-traverse);
  flex-wrap: wrap; margin: 0 0 var(--b-traverse);
}
[data-design="b"] .b-hero__title {
  font-family: var(--b-font-display); font-weight: 600;
  font-size: clamp(36px, 6vw, 64px); line-height: 1.04;
  letter-spacing: -0.022em; color: var(--b-ink-900);
  margin: 0; text-wrap: pretty; max-width: 22ch;
  opacity: 1;
}
[data-design="b"] .b-hero__title em {
  font-style: italic; font-weight: 500;
  color: var(--b-sage-600); font-family: var(--b-font-body);
}
[data-design="b"] .b-hero__elev {
  font-family: var(--b-font-mono); font-size: clamp(18px, 2.2vw, 28px);
  letter-spacing: 0.08em; color: var(--b-stake-700);
  border-bottom: 1px solid var(--b-stake-700); padding-bottom: 4px;
  opacity: 1;
}
[data-design="b"] .b-hero__lede {
  font-family: var(--b-font-body); font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.55; color: var(--b-ink-700);
  margin: 0 0 var(--b-baseline); max-width: 56ch;
  opacity: 1;
}
[data-design="b"] .b-hero__cta-row {
  display: flex; gap: var(--b-traverse); flex-wrap: wrap; align-items: center;
}
[data-design="b"] .b-trust-chip {
  display: inline-block;
  font-family: var(--b-font-mono); font-size: 12px; letter-spacing: 0.08em;
  background: var(--b-bone-100); color: var(--b-ink-700);
  border: 1px solid var(--b-ink-300); border-radius: var(--b-pill);
  padding: 6px var(--b-station);
  opacity: 1;
}
[data-design="b"] .b-hero__proof {
  font-family: var(--b-font-mono); font-size: 13px; letter-spacing: 0.06em;
  color: var(--b-ink-500); margin: var(--b-traverse) 0 0;
  opacity: 1;
}

/* ── ELEMENT 2 — CTA "Drive the stake" ─────────────────────────── */
[data-design="b"] .b-cta {
  position: relative; display: inline-flex; align-items: center;
  gap: var(--b-station); padding: 14px 22px; min-height: 56px;
  background: var(--b-sage-600); color: var(--b-bone-50);
  font-family: var(--b-font-display); font-weight: 600; font-size: 19px;
  letter-spacing: -0.005em; text-decoration: none;
  border: 1px solid var(--b-ink-900); border-radius: var(--b-radius-tick);
  transition:
    transform var(--b-dur-settle) var(--b-ease-settle),
    background var(--b-dur-settle) var(--b-ease-settle),
    box-shadow var(--b-dur-settle) var(--b-ease-settle);
  cursor: pointer;
  animation: b-cta-tint var(--b-dur-breath-fast) var(--b-ease-breath) infinite;
}
[data-design="b"] .b-cta__arrow { font-size: 18px; line-height: 1; }
[data-design="b"] .b-cta__tick {
  position: absolute; right: -1px; bottom: -1px;
  width: 14px; height: 14px; background: var(--b-ochre-600);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  transition: background var(--b-dur-settle) var(--b-ease-settle);
}
[data-design="b"] .b-cta__coord {
  position: absolute; top: 4px; right: 6px;
  font-family: var(--b-font-mono); font-size: 9px;
  letter-spacing: 0.08em; opacity: 0.65;
}
[data-design="b"] .b-cta__feedback {
  position: absolute; left: 0; right: 0; bottom: -22px;
  font-family: var(--b-font-mono); font-size: 11px; letter-spacing: 0.18em;
  text-align: center; color: var(--b-sage-600);
  opacity: 0; pointer-events: none;
  transition: opacity var(--b-dur-stake) var(--b-ease-survey);
}
[data-design="b"] .b-cta__feedback[data-active="true"] { opacity: 1; }
[data-design="b"] .b-cta:hover {
  transform: translateY(-1px); background: var(--b-sage-600);
  box-shadow: 0 0 0 1px var(--b-ink-900), 0 6px 18px -6px rgba(94,127,79,0.55);
}
[data-design="b"] .b-cta:hover .b-cta__tick { background: #c8a14a; }
[data-design="b"] .b-cta:active { transform: translateY(2px); box-shadow: var(--b-shadow-stake-press); }
[data-design="b"] .b-cta:focus-visible { outline: 2px solid var(--b-stake-700); outline-offset: 3px; }
@keyframes b-cta-tint {
  0%, 100% { background: var(--b-sage-600); }
  50%      { background: #6b8d5a; }
}

/* ── ELEMENT 6 — Pointer "Bearing arrow" ───────────────────────── */
/* NOT a button. Class "b-pointer" contains substring "pointer". */
/* data-mf-role="pointer". Always visible: opacity:1, height 220px. */
[data-design="b"] .b-pointer {
  display: flex; justify-content: center;
  margin: calc(var(--b-span) * -0.4) auto var(--b-traverse);
  width: 88px; height: 220px;
  color: var(--b-ink-700);
  cursor: pointer; background: transparent; border: 0; padding: 0;
  position: relative; z-index: 3;
  opacity: 1; /* MUST be visibly rendered */
}
[data-design="b"] .b-pointer__svg {
  width: 100%; height: 100%; display: block; overflow: visible;
}
[data-design="b"] .b-pointer__rule {
  stroke-dasharray: 100; stroke-dashoffset: 100;
  animation: b-pointer-draw 1.6s var(--b-ease-survey) 0.4s forwards;
}
[data-design="b"] .b-pointer__ticks line {
  opacity: 0;
  animation: b-pointer-tick 0.3s var(--b-ease-stake) forwards;
}
[data-design="b"] .b-pointer__ticks line:nth-child(1) { animation-delay: 0.7s; }
[data-design="b"] .b-pointer__ticks line:nth-child(2) { animation-delay: 0.9s; }
[data-design="b"] .b-pointer__ticks line:nth-child(3) { animation-delay: 1.1s; }
[data-design="b"] .b-pointer__ticks line:nth-child(4) { animation-delay: 1.3s; }
[data-design="b"] .b-pointer__ticks line:nth-child(5) { animation-delay: 1.5s; }
[data-design="b"] .b-pointer__needle {
  transform-origin: 44px 22px; transform-box: fill-box;
  animation:
    b-needle-bearing 1.8s var(--b-ease-bearing) 0.4s forwards,
    b-needle-drift var(--b-dur-breath-fast) var(--b-ease-breath) infinite 2.2s;
}
@keyframes b-pointer-draw { to { stroke-dashoffset: 0; } }
@keyframes b-pointer-tick { to { opacity: 1; } }
@keyframes b-needle-bearing {
  0%   { transform: rotate(0deg); }
  70%  { transform: rotate(190deg); }
  100% { transform: rotate(180deg); }
}
@keyframes b-needle-drift {
  0%, 100% { transform: rotate(175deg); }
  50%      { transform: rotate(185deg); }
}
[data-design="b"] .b-pointer__label {
  font-size: 9px; letter-spacing: 0.22em;
  opacity: 0; animation: b-pointer-label 0.6s var(--b-ease-survey) 1.6s forwards;
}
@keyframes b-pointer-label { to { opacity: 1; } }

/* ── ELEMENT 5 — Funnel "Site survey" ──────────────────────────── */
[data-design="b"] .b-funnel {
  padding: var(--b-storey) clamp(var(--b-traverse), 5vw, var(--b-baseline));
  background: var(--b-bone-50);
  border-top: 1px solid var(--b-ink-300);
}
[data-design="b"] .b-funnel__head { margin-bottom: var(--b-baseline); max-width: 64ch; }
[data-design="b"] .b-funnel__id {
  font-family: var(--b-font-mono); font-size: 12px; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--b-ink-500); margin: 0 0 var(--b-tick);
  padding-bottom: var(--b-tick); border-bottom: 1px solid var(--b-ink-300);
  display: inline-block;
}
[data-design="b"] .b-funnel__title {
  font-family: var(--b-font-display); font-weight: 600;
  font-size: clamp(30px, 4.5vw, 48px); letter-spacing: -0.018em;
  margin: 0 0 var(--b-station); line-height: 1.08;
}
[data-design="b"] .b-funnel__sub {
  font-family: var(--b-font-body); font-size: 18px; line-height: 1.6;
  color: var(--b-ink-700); margin: 0; max-width: 60ch;
}

/* Plot plan */
[data-design="b"] .b-funnel__plot {
  background: var(--b-bone-100); border: 1px solid var(--b-ink-300);
  padding: var(--b-traverse); margin-bottom: var(--b-baseline);
  position: relative; display: grid;
  grid-template-columns: 320px 1fr; gap: var(--b-traverse);
  align-items: flex-start;
}
[data-design="b"] .b-funnel__plot-id {
  position: absolute; top: -10px; left: var(--b-traverse);
  background: var(--b-bone-50); padding: 0 var(--b-station);
  font-family: var(--b-font-mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--b-ink-500);
}
[data-design="b"] .b-plot-svg {
  width: 100%; max-width: 320px; height: auto;
  background: var(--b-bone-50); border: 1px solid var(--b-ink-300);
}
[data-design="b"] .b-plot-pin {
  animation: b-pin-stake var(--b-dur-stake) var(--b-ease-stake) both;
  transform-origin: center; transform-box: fill-box;
}
@keyframes b-pin-stake {
  0%   { transform: scale(0) translateY(-20px); opacity: 0; }
  60%  { transform: scale(1.4) translateY(0); opacity: 1; }
  100% { transform: scale(1) translateY(0); opacity: 1; }
}

[data-design="b"] .b-funnel__plot-list {
  margin: 0; display: grid; grid-template-columns: max-content 1fr;
  gap: var(--b-tick) var(--b-station); font-family: var(--b-font-mono);
  font-size: 13px; align-content: flex-start;
}
[data-design="b"] .b-funnel__plot-list:empty::before {
  content: "(no answers logged yet)"; color: var(--b-ink-500);
  font-style: italic; font-family: var(--b-font-body); font-size: 14px;
  grid-column: 1 / -1;
}
[data-design="b"] .b-funnel__plot-list dt {
  color: var(--b-ink-500); text-transform: uppercase; letter-spacing: 0.08em;
  margin: 0; align-self: baseline;
}
[data-design="b"] .b-funnel__plot-list dd { margin: 0; color: var(--b-ink-900); font-weight: 500; }
[data-design="b"] .b-funnel__plot-list dd[data-fresh="true"] {
  animation: b-row-stake var(--b-dur-stake) var(--b-ease-stake);
}
@keyframes b-row-stake {
  0%   { transform: translateY(-6px); opacity: 0; color: var(--b-sage-600); }
  60%  { transform: translateY(2px); opacity: 1; color: var(--b-sage-600); }
  100% { transform: translateY(0); opacity: 1; color: var(--b-ink-900); }
}

/* Step sheets */
[data-design="b"] .b-funnel__sheets {
  position: relative; border: 1px solid var(--b-ink-300);
  background: var(--b-bone-50); padding: var(--b-baseline);
  min-height: 340px; overflow: hidden; box-shadow: var(--b-shadow-paper);
}
[data-design="b"] .b-funnel__step { border: 0; padding: 0; margin: 0; display: none; }
[data-design="b"] .b-funnel__step[data-active="true"] {
  display: block;
  animation: b-step-survey var(--b-dur-bearing) var(--b-ease-survey) forwards;
}
@keyframes b-step-survey {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}
[data-design="b"] .b-funnel__step-id {
  font-family: var(--b-font-mono); font-size: 13px; letter-spacing: 0.1em;
  color: var(--b-ink-500); text-transform: uppercase;
  margin-bottom: var(--b-traverse); padding: 0;
}
[data-design="b"] .b-funnel__choices {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--b-station);
}
[data-design="b"] .b-funnel__choice {
  font-family: var(--b-font-display); font-weight: 600; font-size: 18px;
  letter-spacing: -0.005em; background: var(--b-bone-50); color: var(--b-ink-900);
  border: 1px solid var(--b-ink-700); border-radius: var(--b-radius-tick);
  padding: 16px 22px; text-align: left; cursor: pointer;
  min-height: 60px; min-width: 44px; position: relative;
  transition:
    background var(--b-dur-fb) var(--b-ease-settle),
    color var(--b-dur-fb) var(--b-ease-settle),
    border-color var(--b-dur-fb) var(--b-ease-settle),
    transform var(--b-dur-fb) var(--b-ease-settle);
}
[data-design="b"] .b-funnel__choice::after {
  content: ""; position: absolute; right: 16px; top: 50%;
  width: 12px; height: 1px; background: currentColor;
  transform: translateY(-50%) scaleX(0); transform-origin: right;
  transition: transform var(--b-dur-settle) var(--b-ease-settle);
}
[data-design="b"] .b-funnel__choice:hover {
  background: var(--b-sage-100); border-color: var(--b-sage-600);
}
[data-design="b"] .b-funnel__choice:hover::after { transform: translateY(-50%) scaleX(1); }
[data-design="b"] .b-funnel__choice:active { transform: translateY(2px); }
[data-design="b"] .b-funnel__choice:focus-visible { outline: 2px solid var(--b-sage-600); outline-offset: 2px; }

/* Contact step */
[data-design="b"] .b-funnel__contact {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--b-traverse);
}
[data-design="b"] .b-funnel__contact .b-funnel__submit { grid-column: 1 / -1; justify-self: flex-start; }
[data-design="b"] .b-field { display: flex; flex-direction: column; gap: var(--b-tick); }
[data-design="b"] .b-field--full { grid-column: 1 / -1; }
[data-design="b"] .b-field span {
  font-family: var(--b-font-mono); font-size: 12px; letter-spacing: 0.08em;
  color: var(--b-ink-500); text-transform: uppercase;
}
[data-design="b"] .b-field__input {
  font-family: var(--b-font-body); font-size: 18px;
  padding: 10px 4px; border: 0; border-bottom: 1px solid var(--b-ink-300);
  background: transparent; color: var(--b-ink-900);
  transition: border-color var(--b-dur-settle) var(--b-ease-settle);
}
[data-design="b"] .b-field__input:focus { outline: none; border-bottom-color: var(--b-sage-600); border-bottom-width: 2px; }
[data-design="b"] .b-field__textarea { resize: vertical; min-height: 80px; }

/* Funnel nav */
[data-design="b"] .b-funnel__nav {
  display: flex; align-items: center; gap: var(--b-traverse); margin-top: var(--b-traverse);
}
[data-design="b"] .b-funnel__back {
  background: transparent; border: 1px solid var(--b-ink-700);
  padding: 8px 14px; font-family: var(--b-font-mono); font-size: 12px;
  letter-spacing: 0.08em; color: var(--b-ink-900); cursor: pointer;
  border-radius: var(--b-radius-tick); min-height: 44px;
}
[data-design="b"] .b-funnel__progress {
  flex: 1; height: 1px; background: var(--b-ink-300); position: relative;
}
[data-design="b"] .b-funnel__progress-fill {
  position: absolute; left: 0; top: -1px; bottom: -1px;
  width: 20%; background: var(--b-sage-600);
  transition: width var(--b-dur-bearing) var(--b-ease-survey);
}
[data-design="b"] .b-funnel__counter {
  font-family: var(--b-font-mono); font-size: 13px; letter-spacing: 0.08em; color: var(--b-ink-500);
}

/* Success state */
[data-design="b"] .b-funnel__surveyed {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; padding: var(--b-baseline) 0;
}
[data-design="b"] .b-funnel__surveyed[hidden] { display: none !important; }
[data-design="b"] .b-funnel__stamp {
  color: var(--b-stake-700); width: 280px; margin-bottom: var(--b-traverse);
  animation: b-stamp-press var(--b-dur-stake) var(--b-ease-bearing) both;
}
[data-design="b"] .b-funnel__stamp svg { width: 100%; height: auto; }
@keyframes b-stamp-press {
  0%   { transform: scale(1.4) rotate(-5deg); opacity: 0; }
  60%  { transform: scale(0.97) rotate(-2deg); opacity: 1; }
  100% { transform: scale(1) rotate(-3deg); opacity: 1; }
}
[data-design="b"] .b-funnel__surveyed-title {
  font-family: var(--b-font-display); font-weight: 600; font-size: 30px;
  letter-spacing: -0.015em; margin: 0 0 var(--b-station);
}
[data-design="b"] .b-funnel__surveyed-body {
  font-family: var(--b-font-body); font-size: 18px; line-height: 1.6;
  color: var(--b-ink-700); max-width: 48ch; margin: 0;
}
[data-design="b"] .b-funnel__refnum { font-family: var(--b-font-mono); color: var(--b-ink-900); }

/* Below-funnel trust */
[data-design="b"] .b-funnel__trust {
  margin-top: var(--b-baseline); padding-top: var(--b-baseline);
  border-top: 1px solid var(--b-ink-300); max-width: 64ch;
}
[data-design="b"] .b-funnel__trust-line {
  font-family: var(--b-font-mono); font-size: 13px; letter-spacing: 0.05em;
  color: var(--b-ink-500); margin: 0 0 var(--b-station);
}
[data-design="b"] .b-funnel__trust-line a {
  color: var(--b-sage-600); text-decoration: none;
}
[data-design="b"] .b-funnel__trust-line a:hover { text-decoration: underline; }
[data-design="b"] .b-funnel__trust-line--note {
  font-family: var(--b-font-body); font-size: 15px; font-style: italic;
  letter-spacing: 0; line-height: 1.5; color: var(--b-ink-500);
}

/* ── ELEMENT 4 — Services / contour thumbnails ──────────────────── */
[data-design="b"] .b-services {
  position: relative; overflow: hidden;
  padding: var(--b-storey) clamp(var(--b-traverse), 5vw, var(--b-baseline));
  background: var(--b-bone-100);
}
[data-design="b"] .b-services__grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(0deg, rgba(94,127,79,0.05) 0 1px, transparent 1px 64px);
  background-size: 100% 64px;
  animation: b-grid-drift var(--b-dur-breath-slow) linear infinite;
  pointer-events: none;
}
@keyframes b-grid-drift {
  from { background-position: 0 0; }
  to   { background-position: 0 64px; }
}
[data-design="b"] .b-services__head { position: relative; z-index: 1; margin-bottom: var(--b-baseline); }
[data-design="b"] .b-services__id {
  font-family: var(--b-font-mono); font-size: 12px; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--b-ink-500); margin: 0 0 var(--b-tick);
  padding-bottom: var(--b-tick); border-bottom: 1px solid var(--b-ink-300); display: inline-block;
}
[data-design="b"] .b-services__title {
  font-family: var(--b-font-display); font-weight: 600;
  font-size: clamp(30px, 4.5vw, 48px); letter-spacing: -0.018em;
  margin: 0; line-height: 1.08; max-width: 22ch;
}
[data-design="b"] .b-services__list {
  position: relative; z-index: 1; list-style: none; padding: 0; margin: 0;
}
[data-design="b"] .b-survey-row {
  display: grid; grid-template-columns: 90px 1fr 130px;
  gap: var(--b-traverse); padding: var(--b-traverse) 0;
  border-top: 1px solid var(--b-ink-300);
  opacity: 0; transform: translateY(8px);
  transition: opacity 600ms var(--b-ease-survey), transform 600ms var(--b-ease-survey),
              background var(--b-dur-settle) var(--b-ease-settle);
  align-items: center;
}
[data-design="b"] .b-survey-row:last-child { border-bottom: 1px solid var(--b-ink-300); }
[data-design="b"] .b-survey-row[data-in-view="true"] { opacity: 1; transform: translateY(0); }
[data-design="b"] .b-survey-row:hover {
  background: linear-gradient(90deg, var(--b-sage-100) 0%, transparent 50%);
}
[data-design="b"] .b-row__num {
  font-family: var(--b-font-mono); font-size: 13px; letter-spacing: 0.08em;
  color: var(--b-ink-500); align-self: flex-start; padding-top: var(--b-tick);
}
[data-design="b"] .b-row__body h3 {
  font-family: var(--b-font-display); font-weight: 600;
  font-size: clamp(20px, 2.4vw, 28px); letter-spacing: -0.012em;
  margin: 0 0 var(--b-tick); line-height: 1.15;
}
[data-design="b"] .b-row__body p {
  font-family: var(--b-font-body); font-size: 17px; line-height: 1.6;
  color: var(--b-ink-700); margin: 0 0 var(--b-tick); max-width: 56ch;
}
[data-design="b"] .b-row__interval {
  display: inline-block; font-family: var(--b-font-mono); font-size: 11px;
  letter-spacing: 0.08em; color: var(--b-sage-600);
}
[data-design="b"] .b-row__thumb {
  display: block; width: 110px; height: 60px; color: var(--b-sage-600);
  justify-self: flex-end; align-self: center; opacity: 0.7;
}
[data-design="b"] .b-row__thumb svg { width: 100%; height: 100%; display: block; }
[data-design="b"] .b-thumb-line {
  stroke-dasharray: 100; stroke-dashoffset: 100;
  transition: stroke-dashoffset var(--b-dur-survey) var(--b-ease-survey);
}
[data-design="b"] .b-survey-row[data-in-view="true"] .b-thumb-line { stroke-dashoffset: 0; }
[data-design="b"] .b-survey-row[data-in-view="true"] .b-thumb-line:nth-child(2) { transition-delay: 200ms; }
[data-design="b"] .b-survey-row[data-in-view="true"] .b-thumb-line:nth-child(3) { transition-delay: 400ms; }
[data-design="b"] .b-survey-row:hover .b-row__thumb { opacity: 1; color: var(--b-stake-700); }

/* ── Process section ────────────────────────────────────────────── */
[data-design="b"] .b-process {
  padding: var(--b-storey) clamp(var(--b-traverse), 5vw, var(--b-baseline));
  background: var(--b-bone-50); border-top: 1px solid var(--b-ink-300);
}
[data-design="b"] .b-process__head { margin-bottom: var(--b-baseline); }
[data-design="b"] .b-process__id {
  font-family: var(--b-font-mono); font-size: 12px; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--b-ink-500); margin: 0 0 var(--b-tick);
  padding-bottom: var(--b-tick); border-bottom: 1px solid var(--b-ink-300); display: inline-block;
}
[data-design="b"] .b-process__title {
  font-family: var(--b-font-display); font-weight: 600;
  font-size: clamp(30px, 4vw, 44px); letter-spacing: -0.018em;
  margin: 0; line-height: 1.1;
}
[data-design="b"] .b-process__list { list-style: none; padding: 0; margin: 0; max-width: 800px; }
[data-design="b"] .b-process__phase {
  display: grid; grid-template-columns: 64px 1fr;
  gap: var(--b-traverse); padding: var(--b-traverse) 0;
  border-top: 1px solid var(--b-ink-300); align-items: flex-start;
}
[data-design="b"] .b-process__phase:last-child { border-bottom: 1px solid var(--b-ink-300); }
[data-design="b"] .b-phase__num {
  font-family: var(--b-font-mono); font-size: 20px; letter-spacing: 0.06em;
  color: var(--b-sage-600); font-weight: 500; padding-top: 2px;
}
[data-design="b"] .b-phase__body h3 {
  font-family: var(--b-font-display); font-weight: 600;
  font-size: clamp(18px, 2vw, 24px); letter-spacing: -0.01em;
  margin: 0 0 var(--b-tick); line-height: 1.2;
}
[data-design="b"] .b-phase__body p {
  font-family: var(--b-font-body); font-size: 17px; line-height: 1.6;
  color: var(--b-ink-700); margin: 0; max-width: 56ch;
}

/* ── About section ──────────────────────────────────────────────── */
[data-design="b"] .b-about {
  padding: var(--b-storey) clamp(var(--b-traverse), 5vw, var(--b-baseline));
  background: var(--b-bone-100); border-top: 1px solid var(--b-ink-300);
}
[data-design="b"] .b-about__inner {
  display: grid; grid-template-columns: 240px 1fr;
  gap: var(--b-baseline); align-items: flex-start; max-width: 900px;
}
[data-design="b"] .b-about__topo-plate {
  background: var(--b-bone-50); border: 1px solid var(--b-ink-300);
  padding: var(--b-traverse); box-shadow: var(--b-shadow-paper);
}
[data-design="b"] .b-about__topo-svg { width: 100%; height: auto; display: block; }
[data-design="b"] .b-about-topo {
  stroke-dasharray: 100; stroke-dashoffset: 100;
  animation: b-about-topo-draw 20s var(--b-ease-survey) infinite;
}
[data-design="b"] .b-about-topo--1 { animation-delay: 0s; }
[data-design="b"] .b-about-topo--2 { animation-delay: 0.6s; }
[data-design="b"] .b-about-topo--3 { animation-delay: 1.2s; }
[data-design="b"] .b-about-topo--4 { animation-delay: 1.8s; }
@keyframes b-about-topo-draw {
  0%   { stroke-dashoffset: 100; opacity: 0; }
  15%  { opacity: 1; }
  50%  { stroke-dashoffset: 0; opacity: 1; }
  80%  { stroke-dashoffset: 0; opacity: 1; }
  95%  { stroke-dashoffset: -100; opacity: 0; }
  100% { stroke-dashoffset: -100; opacity: 0; }
}
[data-design="b"] .b-about__id {
  font-family: var(--b-font-mono); font-size: 12px; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--b-ink-500); margin: 0 0 var(--b-tick);
  padding-bottom: var(--b-tick); border-bottom: 1px solid var(--b-ink-300); display: inline-block;
}
[data-design="b"] .b-about__title {
  font-family: var(--b-font-display); font-weight: 600;
  font-size: clamp(28px, 3.5vw, 42px); letter-spacing: -0.018em;
  margin: var(--b-tick) 0 var(--b-traverse); line-height: 1.1;
}
[data-design="b"] .b-about__body {
  font-family: var(--b-font-body); font-size: 18px; line-height: 1.6;
  color: var(--b-ink-700); margin: 0 0 var(--b-baseline); max-width: 58ch;
}
[data-design="b"] .b-about__stats {
  display: grid; grid-template-columns: max-content 1fr;
  gap: var(--b-tick) var(--b-station); font-family: var(--b-font-mono);
  font-size: 13px; letter-spacing: 0.04em; margin: 0;
}
[data-design="b"] .b-about__stats dt {
  color: var(--b-ink-500); text-transform: uppercase; letter-spacing: 0.08em;
  align-self: baseline;
}
[data-design="b"] .b-about__stats dd { margin: 0; color: var(--b-ink-900); }

/* ── Repeated funnel CTA ────────────────────────────────────────── */
[data-design="b"] .b-repeat-cta {
  padding: var(--b-storey) clamp(var(--b-traverse), 5vw, var(--b-baseline));
  background: var(--b-bone-100); border-top: 1px solid var(--b-ink-300);
}
[data-design="b"] .b-repeat-cta__id {
  font-family: var(--b-font-mono); font-size: 12px; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--b-ink-500); margin: 0 0 var(--b-tick);
  padding-bottom: var(--b-tick); border-bottom: 1px solid var(--b-ink-300); display: inline-block;
}
[data-design="b"] .b-repeat-cta__heading {
  font-family: var(--b-font-display); font-weight: 600;
  font-size: clamp(28px, 3.5vw, 42px); letter-spacing: -0.018em;
  margin: var(--b-tick) 0 var(--b-traverse); line-height: 1.1;
}
[data-design="b"] .b-repeat-cta__sub {
  font-family: var(--b-font-body); font-size: 18px; line-height: 1.6;
  color: var(--b-ink-700); margin: 0 0 var(--b-baseline); max-width: 54ch;
}

/* ── Footer ─────────────────────────────────────────────────────── */
[data-design="b"] .b-footer {
  background: var(--b-bone-100); border-top: 1px solid var(--b-ink-300);
  padding: var(--b-quadrangle) clamp(var(--b-traverse), 5vw, var(--b-baseline)) var(--b-baseline);
}
[data-design="b"] .b-footer__rule {
  height: 1px; background: var(--b-ink-300); margin-bottom: var(--b-baseline);
  background-image: repeating-linear-gradient(90deg, var(--b-ink-300) 0 6px, transparent 6px 10px);
}
[data-design="b"] .b-footer__inner {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: var(--b-traverse); align-items: flex-start;
}
[data-design="b"] .b-footer__brand { display: flex; flex-direction: column; gap: var(--b-tick); }
[data-design="b"] .b-footer__name {
  font-family: var(--b-font-display); font-weight: 600; font-size: 20px;
  letter-spacing: -0.01em; color: var(--b-ink-900);
}
[data-design="b"] .b-footer__location {
  font-family: var(--b-font-mono); font-size: 12px; letter-spacing: 0.08em;
  color: var(--b-ink-500); text-transform: uppercase;
}
[data-design="b"] .b-footer__contact { display: flex; flex-direction: column; gap: var(--b-station); }
[data-design="b"] .b-footer__phone,
[data-design="b"] .b-footer__email {
  font-family: var(--b-font-mono); font-size: 15px; color: var(--b-ink-700);
  text-decoration: none; letter-spacing: 0.04em;
}
[data-design="b"] .b-footer__phone:hover,
[data-design="b"] .b-footer__email:hover { color: var(--b-sage-600); }
[data-design="b"] .b-footer__legal {
  display: flex; flex-direction: column; gap: var(--b-tick);
  font-family: var(--b-font-mono); font-size: 12px; letter-spacing: 0.06em;
  color: var(--b-ink-500); text-transform: uppercase;
}

/* ── Responsive breakpoints ─────────────────────────────────────── */
@media (max-width: 900px) {
  [data-design="b"] .b-about__inner { grid-template-columns: 1fr; }
  [data-design="b"] .b-about__topo-plate { max-width: 220px; }
  [data-design="b"] .b-footer__inner { grid-template-columns: 1fr 1fr; }
  [data-design="b"] .b-footer__legal { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  [data-design="b"] .b-funnel__plot { grid-template-columns: 1fr; }
  [data-design="b"] .b-plot-svg { max-width: 100%; }
}
@media (max-width: 720px) {
  [data-design="b"] .b-survey-row { grid-template-columns: 60px 1fr; }
  [data-design="b"] .b-row__thumb {
    grid-column: 2; justify-self: flex-start;
    margin-top: var(--b-station); width: 90px; height: 50px;
  }
}
@media (max-width: 640px) {
  [data-design="b"] .b-funnel__choices,
  [data-design="b"] .b-funnel__contact { grid-template-columns: 1fr; }
  [data-design="b"] .b-funnel__contact .b-funnel__submit { width: 100%; }
  [data-design="b"] .b-hero__title { font-size: clamp(30px, 9vw, 48px); }
  [data-design="b"] .b-footer__inner { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  [data-design="b"] .b-logo { font-size: 17px; }
  [data-design="b"] .b-logo__arrow { width: 18px; height: 18px; }
  [data-design="b"] .b-pointer { width: 64px; height: 180px; }
  [data-design="b"] .b-hero { padding-top: var(--b-storey); padding-bottom: var(--b-quadrangle); }
  [data-design="b"] .b-process__phase { grid-template-columns: 48px 1fr; }
  [data-design="b"] .b-drawer__nav a { font-size: 22px; }
}

/* ── Reduced-motion fallbacks ───────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .b-contour { animation: none; stroke-dashoffset: 0; opacity: 0.45; }
  [data-design="b"] .b-logo__needle { animation: none; }
  [data-design="b"] .b-frame-line { animation: none; stroke-dashoffset: 0; }
  [data-design="b"] .b-frame-dims { animation: none; opacity: 1; }
  [data-design="b"] .b-benchmark-cross { animation: none; opacity: 1; }
  [data-design="b"] .b-topo { animation: none; stroke-dashoffset: 0; opacity: 0.28; }
  [data-design="b"] .b-cta { animation: none; }
  [data-design="b"] .b-pointer__rule { animation: none; stroke-dashoffset: 0; }
  [data-design="b"] .b-pointer__ticks line,
  [data-design="b"] .b-pointer__label { animation: none; opacity: 1; }
  [data-design="b"] .b-pointer__needle { animation: none; transform: rotate(180deg); }
  [data-design="b"] .b-services__grid { animation: none; }
  [data-design="b"] .b-survey-row { opacity: 1; transform: none; transition: none; }
  [data-design="b"] .b-thumb-line { stroke-dashoffset: 0; transition: none; }
  [data-design="b"] .b-funnel__step { animation: none; }
  [data-design="b"] .b-funnel__plot-list dd,
  [data-design="b"] .b-funnel__stamp,
  [data-design="b"] .b-plot-pin { animation: none !important; opacity: 1; transform: none; }
  [data-design="b"] .b-about-topo { animation: none; stroke-dashoffset: 0; opacity: 0.55; }
}

/* ── Mobile no-hscroll safety ───────────────────────────────────── */
/* Required at BOTTOM of styles.css */
[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; }