/* ═══════════════════════════════════════════════════════════════════
   Oregon Brothers Construction — Design B (Method, Slot b)
   All selectors scoped to [data-design="b"].dq-design or [data-design="b"].dq-design
   No bare [data-design] descendants — no chrome-modal leakage
   Keyframe prefix: method- (no collision with sibling designs)
   ═══════════════════════════════════════════════════════════════════ */

/* ── Token root (scoped to slot b) ─────────────────────────────── */
[data-design="b"] {
  --ink:           #0A0A0A;
  --ink-2:         #3B3B3B;
  --muted:         #6B6B6B;
  --bg:            #FAFAFA;
  --surface:       #FFFFFF;
  --border:        #E6E6E6;
  --border-strong: #1A1A1A;
  --accent:        #B4FF3F;
  --accent-ink:    #0A0A0A;
  --critical:      #E5484D;
  --success:       #30A46C;

  /* Spacing */
  --gap-tick:    4px;
  --gap-row:     12px;
  --gap-cell:    20px;
  --gap-stack:   32px;
  --gap-section: 96px;
  --gap-rail:    16px;

  /* Motion */
  --ease-snap:   cubic-bezier(0.2, 0.9, 0.1, 1);
  --ease-breath: cubic-bezier(0.45, 0, 0.55, 1);
  --dur-tick:    80ms;
  --dur-snap:    180ms;
  --dur-stage:   320ms;
  --dur-breath:  4s;
  --dur-pool:    24s;

  /* Radius */
  --r-tight: 2px;
  --r-cell:  6px;
  --r-cmd:   8px;
  --r-round: 9999px;

  /* Fonts */
  --font-display: 'Inter', -apple-system, system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'Geist Mono', 'JetBrains Mono', ui-monospace, monospace;

  --design-b-primary: var(--accent);
}

/* ── Base article ───────────────────────────────────────────────── */
[data-design="b"].dq-design,
[data-design="b"] .dq-design {
  max-width: 100%;
  overflow-x: clip;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  box-sizing: border-box;
}

[data-design="b"].dq-design * {
  min-width: 0;
  box-sizing: border-box;
}

[data-design="b"].dq-design img,
[data-design="b"].dq-design svg:not([data-keep-size]) {
  max-width: 100%;
  height: auto;
}

/* Visually-hidden utility */
[data-design="b"] .rf-vh {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

[data-design="b"] .rf-mono {
  font-family: var(--font-mono);
}

[data-design="b"] .rf-sep {
  color: var(--muted);
}

/* ═══════════════════════════════════════════════════════════════════
   E1 — HEADER
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
}

[data-design="b"] .rf-header__bar {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
  padding-inline: clamp(16px, 4vw, 40px);
}

[data-design="b"] .rf-logo {
  display: inline-flex; gap: var(--gap-tick); align-items: baseline;
  color: var(--ink); text-decoration: none;
  font: 500 15px/1 var(--font-mono);
  letter-spacing: 0.08em; text-transform: uppercase;
}

[data-design="b"] .rf-logo__bracket { color: var(--accent); }

[data-design="b"] .rf-burger {
  position: relative; display: inline-flex; flex-direction: column;
  gap: 5px; padding: 10px 12px 10px 14px;
  background: transparent; border: 1px solid var(--border);
  border-radius: var(--r-tight); cursor: pointer;
  transition: border-color 120ms var(--ease-snap);
  min-width: 44px; min-height: 44px;
}

@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-burger:hover { border-color: var(--ink); }
}

[data-design="b"] .rf-burger__row {
  width: 18px; height: 1.5px; background: var(--ink);
}

[data-design="b"] .rf-burger__kbd {
  position: absolute; right: -56px; top: 50%;
  transform: translateY(-50%);
  font: 500 11px/1 var(--font-mono); color: var(--muted);
  letter-spacing: 0.08em;
}

@media (max-width: 560px) {
  [data-design="b"] .rf-burger__kbd { display: none; }
}

/* Header rule + sweeping regmark (H-3 slow: 24s) */
[data-design="b"] .rf-header__rule {
  position: relative; height: 1px; background: transparent; overflow: hidden;
}

[data-design="b"] .rf-header__regmark {
  position: absolute; top: 0; left: -8%;
  width: 6px; height: 1px; background: var(--accent);
  animation: method-sweep var(--dur-pool, 24s) linear infinite;
}

@keyframes method-sweep {
  0%   { transform: translateX(0);     opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateX(112vw); opacity: 0; }
}

/* Drawer */
[data-design="b"] .rf-drawer {
  display: none;
}

[data-design="b"] .rf-drawer[open] {
  position: fixed; inset: 0; width: 100vw; height: 100vh;
  margin: 0; border: 0; padding: 64px clamp(16px, 4vw, 40px) 40px;
  background: var(--bg); color: var(--ink);
  display: flex; flex-direction: column; justify-content: space-between;
  z-index: 100;
}

[data-design="b"] .rf-drawer__nav {
  display: flex; flex-direction: column; gap: var(--gap-stack);
}

[data-design="b"] .rf-drawer__nav a {
  font: 500 clamp(28px, 6vw, 56px)/1.05 var(--font-display);
  letter-spacing: -0.025em; color: var(--ink); text-decoration: none;
  transition: color 120ms var(--ease-snap);
}

@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-drawer__nav a:hover { color: var(--accent); }
}

[data-design="b"] .rf-drawer__ctas {
  display: flex; flex-direction: column; gap: 16px; margin-top: 40px;
}

[data-design="b"] .rf-drawer__phone {
  color: var(--ink); text-decoration: none;
  font: 500 17px/1 var(--font-mono); letter-spacing: 0.04em;
}

[data-design="b"] .rf-drawer__meta {
  display: flex; gap: var(--gap-tick); align-items: center;
  font: 500 13px/1 var(--font-mono); color: var(--muted);
  margin-top: 32px;
}

[data-design="b"] .rf-drawer__kbd {
  border: 1px solid var(--border); padding: 4px 8px;
  border-radius: var(--r-tight); color: var(--ink);
  font-family: var(--font-mono);
}

@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .rf-header__regmark { animation: none; transform: translateX(50vw); opacity: 1; }
}

/* ═══════════════════════════════════════════════════════════════════
   HERO — photo Ken-Burns backdrop + drafting grid overlay
   E3: unique animated hero (Ken-Burns on real site photo)
   One animated layer (HERO-1), no directional primitive (HERO-2)
   All text opacity:1 at first paint (never reveal-gated)
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-hero {
  position: relative;
  min-height: clamp(520px, 80vh, 900px);
  display: flex; align-items: center;
  overflow: hidden;
  background: #0a0a0a;
}

[data-design="b"] .rf-hero__backdrop {
  position: absolute; inset: 0;
  overflow: hidden;
}

/* Ken-Burns: slow pan+zoom, 12s cycle. HERO-1 single moving layer. */
[data-design="b"] .rf-hero__photo {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  transform-origin: center center;
  animation: method-hero-kb 12s var(--ease-breath) infinite alternate;
  will-change: transform;
}

@keyframes method-hero-kb {
  0%   { transform: scale(1.00) translate(0%,    0%);   }
  100% { transform: scale(1.06) translate(-1.5%, -1%); }
}

/* Drafting grid SVG overlay — draws in on load, sustains at ambient opacity */
[data-design="b"] .rf-hero__grid-overlay {
  position: absolute; inset: 0;
  pointer-events: none;
}

[data-design="b"] .rf-hero__grid-svg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  overflow: visible;
}

/* Hairlines draw in via clip-path scaleX (transform only — motion gate safe) */
[data-design="b"] .hg-line {
  stroke: var(--accent);
  stroke-width: 0.5;
  opacity: 0.35;
  transform-origin: left center;
  animation: method-line-draw 1.8s var(--ease-snap) both;
}

[data-design="b"] .hg-h1 { animation-delay: 0.2s; }
[data-design="b"] .hg-h2 { animation-delay: 0.5s; }
[data-design="b"] .hg-v1 { transform-origin: center top; animation-delay: 0.8s; }
[data-design="b"] .hg-v2 { transform-origin: center top; animation-delay: 1.0s; }

@keyframes method-line-draw {
  from { clip-path: inset(0 100% 0 0); opacity: 0; }
  to   { clip-path: inset(0 0% 0 0);   opacity: 0.35; }
}

[data-design="b"] .hg-tick {
  fill: var(--accent);
  opacity: 0.5;
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.08em;
  animation: method-tick-fade 2.2s var(--ease-snap) both;
  animation-delay: 1.2s;
}

@keyframes method-tick-fade {
  from { opacity: 0; transform: translateY(-3px); }
  to   { opacity: 0.5; transform: translateY(0); }
}

[data-design="b"] .hg-regmark line {
  stroke: var(--accent);
  stroke-width: 1;
  opacity: 0.6;
  animation: method-regmark-draw 1.4s var(--ease-snap) both;
}

[data-design="b"] .hg-tl line:first-child  { animation-delay: 1.4s; transform-origin: left center; }
[data-design="b"] .hg-tl line:last-child   { animation-delay: 1.6s; transform-origin: center top; }
[data-design="b"] .hg-br line:first-child  { animation-delay: 1.5s; transform-origin: right center; }
[data-design="b"] .hg-br line:last-child   { animation-delay: 1.7s; transform-origin: center bottom; }

@keyframes method-regmark-draw {
  from { clip-path: inset(0 100% 0 0); }
  to   { clip-path: inset(0 0 0 0); }
}

/* Dark tint for legibility */
[data-design="b"] .rf-hero__tint {
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    color-mix(in oklab, var(--ink), transparent 30%) 0%,
    color-mix(in oklab, var(--ink), transparent 45%) 60%,
    color-mix(in oklab, var(--ink), transparent 20%) 100%
  );
}

/* Hero content */
[data-design="b"] .rf-hero__content {
  position: relative; z-index: 2;
  padding: clamp(80px, 12vw, 140px) clamp(20px, 5vw, 80px) clamp(80px, 10vw, 120px);
  max-width: 860px;
  /* Scroll-parallax via translateY — TRIAD-2 genuine scroll motion */
  will-change: transform;
}

[data-design="b"] .rf-hero__kicker {
  display: block;
  font: 500 12px/1 var(--font-mono);
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent); opacity: 0.85;
  margin-bottom: 20px;
}

[data-design="b"] .rf-hero__headline {
  font: 500 clamp(32px, 5.5vw, 72px)/1.05 var(--font-display);
  letter-spacing: -0.025em;
  color: #FAFAFA;
  margin: 0 0 20px;
  max-width: 20ch;
}

[data-design="b"] .rf-hero__subtitle {
  font: 400 clamp(16px, 1.8vw, 20px)/1.55 var(--font-body);
  color: color-mix(in oklab, #FAFAFA, transparent 20%);
  margin: 0 0 12px;
  max-width: 55ch;
}

[data-design="b"] .rf-hero__proof {
  font: 500 13px/1 var(--font-mono);
  color: color-mix(in oklab, #FAFAFA, transparent 35%);
  letter-spacing: 0.06em;
  margin: 0 0 36px;
}

/* ═══════════════════════════════════════════════════════════════════
   E2 — CTA (funnel anchor) — breathes on 4s cycle
   Used in hero, drawer, portfolio, footer
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-cta {
  position: relative; display: inline-flex; align-items: center;
  gap: 12px; padding: 14px 20px 14px 22px;
  background: var(--accent); color: var(--accent-ink);
  border: 1px solid var(--ink); border-radius: var(--r-cmd);
  font: 500 15px/1 var(--font-mono); letter-spacing: 0.02em;
  text-transform: uppercase; text-decoration: none;
  transition:
    transform 120ms var(--ease-snap),
    box-shadow 120ms var(--ease-snap);
  animation: method-cta-breath var(--dur-breath) var(--ease-breath) infinite;
  will-change: transform;
  min-height: 44px;
}

[data-design="b"] .rf-cta__kbd {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px;
  border: 1px solid var(--ink); border-radius: var(--r-tight);
  font: 500 13px/1 var(--font-mono);
  transition: transform 80ms var(--ease-snap);
}

@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-cta:hover {
    box-shadow: 0 0 0 3px var(--ink);
  }
}

[data-design="b"] .rf-cta:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent), 0 0 0 3px var(--ink);
}

[data-design="b"] .rf-cta:active {
  transform: translateY(1px);
}

[data-design="b"] .rf-cta:active .rf-cta__kbd {
  transform: translateX(2px);
}

@keyframes method-cta-breath {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--accent), transparent 50%); }
  50%       { box-shadow: 0 0 0 6px color-mix(in oklab, var(--accent), transparent 80%); }
}

@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .rf-cta { animation: none; }
}

/* ═══════════════════════════════════════════════════════════════════
   E6 — POINTER (between hero and funnel)
   method-pointer scoped to [data-design="b"].dq-design
   Must be visible: opacity:1, height>8px at all viewports
   NOT a button — wayfinding only
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .method-pointer {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px clamp(20px, 5vw, 80px);
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  /* Explicit dimensions for gate: height >> 8px; opacity: 1 */
  min-height: 64px;
  opacity: 1;
}

[data-design="b"] .method-pointer__counter {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

[data-design="b"] .method-pointer__counter-label {
  color: var(--ink);
  font-weight: 500;
}

[data-design="b"] .method-pointer__counter-now {
  display: inline-block;
  min-width: 1ch;
  color: var(--accent-ink);
  background: var(--accent);
  border-radius: var(--r-tight);
  padding: 1px 5px;
  font-weight: 700;
  animation: method-pointer-tick 320ms var(--ease-snap) both;
}

[data-design="b"] .method-pointer__bar {
  position: relative;
  flex: 1;
  height: 2px;
  background: var(--border);
  border-radius: 1px;
  overflow: hidden;
  min-height: 2px;
}

[data-design="b"] .method-pointer__bar-fill {
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: scaleX(var(--method-pointer-progress, 0.2));
  transform-origin: left;
  transition: transform 480ms cubic-bezier(0.22, 0.61, 0.36, 1);
  opacity: 1;
}

[data-design="b"] .method-pointer__chev {
  font-size: 20px;
  color: var(--muted);
  animation: method-pointer-chev 4s var(--ease-breath) infinite;
  user-select: none;
}

@keyframes method-pointer-tick {
  0%   { transform: translateY(-6px); opacity: 0; }
  100% { transform: translateY(0);    opacity: 1; }
}

@keyframes method-pointer-chev {
  0%, 100% { transform: translateX(0);   opacity: 0.45; }
  50%      { transform: translateX(4px); opacity: 0.9; }
}

@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .method-pointer__counter-now,
  [data-design="b"] .method-pointer__chev,
  [data-design="b"] .method-pointer__bar-fill {
    animation: none; transition: none;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   E5 — FUNNEL (5-step qualifying intake)
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-interactive {
  padding: var(--gap-section) clamp(20px, 5vw, 80px);
  background: var(--bg);
}

[data-design="b"] .rf-funnel__head {
  max-width: 720px; margin-bottom: var(--gap-stack);
  display: flex; flex-direction: column; gap: 10px;
}

[data-design="b"] .rf-funnel__kicker {
  font: 500 12px/1 var(--font-mono); color: var(--muted);
  letter-spacing: 0.12em; text-transform: uppercase;
}

[data-design="b"] .rf-funnel__title {
  font: 500 clamp(28px, 4vw, 40px)/1.05 var(--font-display);
  letter-spacing: -0.025em; margin: 0; color: var(--ink);
}

[data-design="b"] .rf-funnel__sub {
  font: 400 16px/1.55 var(--font-body); color: var(--ink-2); margin: 0;
}

[data-design="b"] .rf-funnel {
  border: 1px solid var(--ink); border-radius: var(--r-cell);
  background: var(--surface);
  padding: clamp(20px, 3vw, 36px);
  max-width: 720px;
}

[data-design="b"] .rf-funnel__steps {
  list-style: none; margin: 0 0 var(--gap-stack); padding: 0;
  display: flex; gap: 14px; flex-wrap: wrap;
  font: 500 11px/1 var(--font-mono); color: var(--muted);
  letter-spacing: 0.08em;
}

[data-design="b"] .rf-funnel__steps li.is-active { color: var(--ink); }

[data-design="b"] .rf-funnel__steps li.is-done {
  color: var(--ink);
  text-decoration: line-through;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
}

[data-design="b"] .rf-funnel__panel {
  border: 0; padding: 0; margin: 0;
  display: none;
}

[data-design="b"] .rf-funnel__panel.is-active {
  display: flex; flex-direction: column; gap: 16px;
  animation: method-step-in var(--dur-stage) var(--ease-snap) both;
}

@keyframes method-step-in {
  from { opacity: 0.1; transform: translateY(8px); }
  to   { opacity: 1;   transform: translateY(0); }
}

[data-design="b"] .rf-funnel__legend {
  font: 500 17px/1.2 var(--font-body); color: var(--ink); margin-bottom: 4px;
}

[data-design="b"] .rf-funnel__opts {
  display: grid; gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

[data-design="b"] .rf-funnel__opts label {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--border); border-radius: var(--r-tight);
  padding: 12px 14px; cursor: pointer;
  font: 500 14px/1.3 var(--font-mono);
  transition: border-color 120ms var(--ease-snap), background 120ms var(--ease-snap);
  min-height: 44px;
}

@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-funnel__opts label:hover { border-color: var(--ink); }
}

[data-design="b"] .rf-funnel__opts label:has(input:checked) {
  border-color: var(--ink); background: var(--bg);
  box-shadow: inset 4px 0 0 var(--accent);
}

[data-design="b"] .rf-funnel__opts input[type="radio"] {
  width: 14px; height: 14px; flex-shrink: 0;
  accent-color: var(--accent);
}

[data-design="b"] .rf-funnel__field {
  display: flex; flex-direction: column; gap: 6px;
}

[data-design="b"] .rf-funnel__field > span {
  font: 500 12px/1 var(--font-mono); color: var(--muted);
  letter-spacing: 0.06em; text-transform: uppercase;
}

[data-design="b"] .rf-funnel__field input,
[data-design="b"] .rf-funnel__field select,
[data-design="b"] .rf-funnel__field textarea {
  font: 400 16px/1.4 var(--font-body); color: var(--ink);
  background: var(--bg); border: 0; border-bottom: 1px solid var(--border);
  padding: 10px 0; outline: none; width: 100%;
  transition: border-color 120ms var(--ease-snap);
  resize: vertical;
}

[data-design="b"] .rf-funnel__field input:focus,
[data-design="b"] .rf-funnel__field select:focus,
[data-design="b"] .rf-funnel__field textarea:focus {
  border-bottom-color: var(--ink);
  box-shadow: 0 1px 0 0 var(--ink);
}

[data-design="b"] .rf-funnel__actions {
  display: flex; gap: 12px; margin-top: 8px;
  align-items: center; flex-wrap: wrap;
}

[data-design="b"] .rf-funnel__next,
[data-design="b"] .rf-funnel__submit {
  background: var(--accent); color: var(--accent-ink);
  border: 1px solid var(--ink); border-radius: var(--r-cmd);
  padding: 12px 18px;
  font: 500 14px/1 var(--font-mono); letter-spacing: 0.04em;
  text-transform: uppercase; cursor: pointer;
  transition: box-shadow 120ms var(--ease-snap);
  min-height: 44px; min-width: 44px;
}

@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-funnel__next:hover,
  [data-design="b"] .rf-funnel__submit:hover {
    box-shadow: 0 0 0 3px var(--ink);
  }
}

[data-design="b"] .rf-funnel__prev {
  background: transparent; color: var(--ink);
  border: 1px solid var(--border); border-radius: var(--r-cmd);
  padding: 12px 16px;
  font: 500 14px/1 var(--font-mono); letter-spacing: 0.04em;
  text-transform: uppercase; cursor: pointer;
  min-height: 44px; min-width: 44px;
}

@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-funnel__prev:hover { border-color: var(--ink); }
}

[data-design="b"] .rf-funnel__receipt {
  display: flex; flex-direction: column; gap: 16px;
}

[data-design="b"] .rf-funnel__receipt-id {
  font: 500 clamp(22px, 3.5vw, 36px)/1 var(--font-mono);
  letter-spacing: 0.04em;
  padding: 12px 16px;
  border: 1px solid var(--ink); border-radius: var(--r-cell);
  background: var(--accent); color: var(--accent-ink);
  width: max-content;
}

[data-design="b"] .rf-funnel__receipt p {
  font: 400 16px/1.55 var(--font-body); color: var(--ink-2); margin: 0;
}

/* Below-funnel trust strip */
[data-design="b"] .rf-funnel__below {
  margin-top: 28px;
  max-width: 720px;
  display: flex; flex-direction: column; gap: 8px;
}

[data-design="b"] .rf-funnel__below-line {
  font: 400 14px/1.4 var(--font-mono); color: var(--muted); margin: 0;
}

[data-design="b"] .rf-funnel__phone {
  color: var(--ink); text-decoration: none;
  border-bottom: 1px solid var(--border);
}

@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .rf-funnel__panel.is-active { animation: none; }
}

/* ═══════════════════════════════════════════════════════════════════
   PORTFOLIO section
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-portfolio {
  padding: var(--gap-section) clamp(20px, 5vw, 80px);
  background: var(--surface);
  border-top: 1px solid var(--border);
}

[data-design="b"] .rf-portfolio__head {
  max-width: 720px; margin-bottom: var(--gap-stack);
  display: flex; flex-direction: column; gap: 10px;
}

[data-design="b"] .rf-portfolio__kicker {
  font: 500 12px/1 var(--font-mono); color: var(--muted);
  letter-spacing: 0.12em; text-transform: uppercase;
}

[data-design="b"] .rf-portfolio__title {
  font: 500 clamp(28px, 4vw, 40px)/1.05 var(--font-display);
  letter-spacing: -0.025em; margin: 0; color: var(--ink);
}

[data-design="b"] .rf-portfolio__sub {
  font: 400 16px/1.55 var(--font-body); color: var(--ink-2); margin: 0;
  max-width: 65ch;
}

/* ── E4 Matter-index snap-grid (services) ── */
[data-design="b"] .rf-ambient-a {
  margin-bottom: var(--gap-stack);
}

[data-design="b"] .rf-ambient-a__list {
  list-style: none; margin: 0; padding: 0;
  border-top: 1px solid var(--border);
}

[data-design="b"] .rf-area {
  display: grid;
  grid-template-columns: 80px 1.2fr 2fr 160px;
  align-items: center;
  gap: var(--gap-cell);
  padding: 18px 4px;
  border-bottom: 1px solid var(--border);
  transition: background 120ms var(--ease-snap);
}

@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-area:hover { background: var(--bg); }
}

[data-design="b"] .rf-area__id {
  font: 500 13px/1 var(--font-mono); color: var(--muted);
  letter-spacing: 0.04em;
}

[data-design="b"] .rf-area__name {
  font: 500 16px/1.3 var(--font-body); color: var(--ink);
}

[data-design="b"] .rf-area__summary {
  font: 400 14px/1.45 var(--font-body); color: var(--ink-2);
}

[data-design="b"] .rf-area__bar {
  position: relative; height: 1px; background: var(--border); overflow: hidden;
}

[data-design="b"] .rf-area__fill {
  position: absolute; top: 0; left: 0; height: 1px;
  width: var(--rf-fill, 65%); background: var(--ink);
  transform: scaleX(0); transform-origin: left;
  transition: transform 1200ms var(--ease-snap);
}

[data-design="b"] .rf-area.is-revealed .rf-area__fill {
  transform: scaleX(1);
}

[data-design="b"] .rf-area.is-revealed .rf-area__fill::after {
  content: ''; position: absolute; right: -3px; top: -1px;
  width: 3px; height: 3px; background: var(--accent);
  animation: method-area-pulse 2.4s var(--ease-breath) infinite;
}

@keyframes method-area-pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.6); }
}

@media (max-width: 720px) {
  [data-design="b"] .rf-area {
    grid-template-columns: 72px 1fr;
    grid-template-areas: "id name" ". summary" ". bar";
    gap: 6px 12px; padding: 16px 0;
  }
  [data-design="b"] .rf-area__id      { grid-area: id; }
  [data-design="b"] .rf-area__name    { grid-area: name; }
  [data-design="b"] .rf-area__summary { grid-area: summary; font-size: 13px; }
  [data-design="b"] .rf-area__bar     { grid-area: bar; margin-top: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .rf-area__fill { transition: none; transform: scaleX(1); }
  [data-design="b"] .rf-area.is-revealed .rf-area__fill::after { animation: none; }
}

/* Photo grid — 2-up desktop, 1-up mobile */
[data-design="b"] .rf-photo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: var(--gap-stack);
  margin-bottom: var(--gap-stack);
}

@media (max-width: 600px) {
  [data-design="b"] .rf-photo-grid { grid-template-columns: 1fr; gap: 20px; }
}

[data-design="b"] .rf-photo-item {
  margin: 0; padding: 0;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--r-cell);
  background: var(--border);
  /* Scroll-reveal subtle scale — TRIAD-2 scroll motion on hero→content handoff */
  transition: transform 600ms var(--ease-snap);
  transform: scale(0.97);
  opacity: 0.85;
}

[data-design="b"] .rf-photo-item.is-revealed {
  transform: scale(1);
  opacity: 1;
}

[data-design="b"] .rf-photo-item img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  display: block;
  /* Subtle hover scale on desktop */
  transition: transform 600ms var(--ease-snap);
}

@media (hover: hover) and (pointer: fine) {
  [data-design="b"] .rf-photo-item img:hover {
    transform: scale(1.04);
  }
}

[data-design="b"] .rf-portfolio__cta-row {
  margin-top: var(--gap-stack);
  display: flex;
  justify-content: flex-start;
}

/* ═══════════════════════════════════════════════════════════════════
   E4 — Status line (ambient-b typewriter)
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-ambient-b {
  padding: var(--gap-section) clamp(20px, 5vw, 80px);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

[data-design="b"] .rf-status {
  display: flex; align-items: baseline; gap: 14px;
  font: 500 clamp(18px, 3vw, 32px)/1.3 var(--font-mono);
  color: var(--ink);
}

[data-design="b"] .rf-status__prompt { color: var(--accent); }

[data-design="b"] .rf-status__line {
  flex: 1; min-width: 0;
  white-space: nowrap; overflow: hidden; text-overflow: clip;
}

[data-design="b"] .rf-status__cursor {
  display: inline-block; width: 0.55ch; height: 1em;
  background: var(--ink); vertical-align: -0.12em;
  margin-left: 2px;
  animation: method-cursor-blink 1.1s steps(1, end) infinite;
}

[data-design="b"] .rf-status__lane {
  font: 500 12px/1 var(--font-mono); color: var(--muted);
  letter-spacing: 0.1em; text-transform: uppercase;
  white-space: nowrap;
}

@keyframes method-cursor-blink {
  0%, 50%   { opacity: 1; }
  51%, 100% { opacity: 0; }
}

@media (max-width: 560px) {
  [data-design="b"] .rf-status__lane { display: none; }
}

[data-design="b"] .rf-status[data-paused="true"] .rf-status__cursor {
  animation-play-state: paused;
}

@media (prefers-reduced-motion: reduce) {
  [data-design="b"] .rf-status__cursor { animation: none; opacity: 1; }
}

/* ═══════════════════════════════════════════════════════════════════
   PROCESS section
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-process {
  padding: var(--gap-section) clamp(20px, 5vw, 80px);
  background: var(--bg);
  border-top: 1px solid var(--border);
}

[data-design="b"] .rf-process__head {
  max-width: 720px; margin-bottom: var(--gap-stack);
  display: flex; flex-direction: column; gap: 8px;
}

[data-design="b"] .rf-process__kicker {
  font: 500 12px/1 var(--font-mono); color: var(--muted);
  letter-spacing: 0.12em; text-transform: uppercase;
}

[data-design="b"] .rf-process__title {
  font: 500 clamp(24px, 3.5vw, 36px)/1.1 var(--font-display);
  letter-spacing: -0.02em; margin: 0; color: var(--ink);
}

[data-design="b"] .rf-process__list {
  list-style: none; padding: 0; margin: 0;
  max-width: 720px;
  border-top: 1px solid var(--border);
}

[data-design="b"] .rf-process__step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

[data-design="b"] .rf-process__idx {
  font: 700 13px/1 var(--font-mono); color: var(--muted);
  letter-spacing: 0.1em;
  padding-top: 4px;
}

[data-design="b"] .rf-process__detail strong {
  display: block;
  font: 500 17px/1.2 var(--font-body); color: var(--ink);
  margin-bottom: 8px;
}

[data-design="b"] .rf-process__detail p {
  font: 400 16px/1.6 var(--font-body); color: var(--ink-2); margin: 0;
}

/* ═══════════════════════════════════════════════════════════════════
   SERVICES section
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-services {
  padding: var(--gap-section) clamp(20px, 5vw, 80px);
  background: var(--surface);
  border-top: 1px solid var(--border);
}

[data-design="b"] .rf-services__head {
  max-width: 720px; margin-bottom: var(--gap-stack);
  display: flex; flex-direction: column; gap: 8px;
}

[data-design="b"] .rf-services__kicker {
  font: 500 12px/1 var(--font-mono); color: var(--muted);
  letter-spacing: 0.12em; text-transform: uppercase;
}

[data-design="b"] .rf-services__title {
  font: 500 clamp(24px, 3.5vw, 36px)/1.1 var(--font-display);
  letter-spacing: -0.02em; margin: 0; color: var(--ink);
}

[data-design="b"] .rf-services__list {
  list-style: none; padding: 0; margin: 0;
  max-width: 720px;
  columns: 2; gap: 0;
  border-top: 1px solid var(--border);
}

[data-design="b"] .rf-services__list li {
  font: 500 15px/1 var(--font-mono);
  color: var(--ink);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.02em;
  break-inside: avoid;
}

@media (max-width: 600px) {
  [data-design="b"] .rf-services__list { columns: 1; }
}

/* ═══════════════════════════════════════════════════════════════════
   ABOUT section
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-about {
  padding: var(--gap-section) clamp(20px, 5vw, 80px);
  background: var(--bg);
  border-top: 1px solid var(--border);
}

[data-design="b"] .rf-about__inner {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  max-width: 860px;
  align-items: start;
}

@media (max-width: 640px) {
  [data-design="b"] .rf-about__inner { grid-template-columns: 1fr; gap: 28px; }
}

[data-design="b"] .rf-about__meta {
  display: flex; flex-direction: column; gap: 10px;
}

[data-design="b"] .rf-about__meta-row {
  font: 500 13px/1.4 var(--font-mono); color: var(--muted);
  letter-spacing: 0.04em;
}

[data-design="b"] .rf-about__copy h2 {
  font: 500 clamp(22px, 3vw, 32px)/1.1 var(--font-display);
  letter-spacing: -0.02em; margin: 0 0 20px; color: var(--ink);
}

[data-design="b"] .rf-about__copy p {
  font: 400 17px/1.65 var(--font-body); color: var(--ink-2);
  margin: 0 0 16px; max-width: 65ch;
}

/* ═══════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"] .rf-footer {
  background: var(--ink);
  color: var(--bg);
  padding: 64px clamp(20px, 5vw, 80px) 40px;
  border-top: 1px solid var(--border-strong);
}

[data-design="b"] .rf-footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px 48px;
  max-width: 1100px;
  align-items: start;
}

@media (max-width: 640px) {
  [data-design="b"] .rf-footer__inner { grid-template-columns: 1fr; }
}

[data-design="b"] .rf-footer .rf-logo {
  color: var(--bg);
  margin-bottom: 12px;
  display: block;
}

[data-design="b"] .rf-footer .rf-logo__bracket {
  color: var(--accent);
}

[data-design="b"] .rf-footer__tagline {
  display: block;
  font: 400 13px/1 var(--font-mono);
  color: color-mix(in oklab, var(--bg), transparent 45%);
  letter-spacing: 0.04em;
  margin-top: 8px;
}

[data-design="b"] .rf-footer__links {
  display: flex; flex-direction: column; gap: 14px; align-items: flex-end;
}

@media (max-width: 640px) {
  [data-design="b"] .rf-footer__links { align-items: flex-start; }
}

[data-design="b"] .rf-footer__phone {
  color: var(--bg); text-decoration: none;
  font: 500 17px/1 var(--font-mono); letter-spacing: 0.04em;
}

[data-design="b"] .rf-footer__cta-link {
  color: var(--accent); text-decoration: none;
  font: 500 14px/1 var(--font-mono); letter-spacing: 0.04em;
}

[data-design="b"] .rf-footer__compliance {
  grid-column: 1 / -1;
  display: flex; flex-direction: column; gap: 6px;
  border-top: 1px solid color-mix(in oklab, var(--bg), transparent 80%);
  padding-top: 28px; margin-top: 4px;
  font: 400 12px/1.4 var(--font-mono);
  color: color-mix(in oklab, var(--bg), transparent 50%);
}

[data-design="b"] .rf-footer__rule {
  position: relative; height: 1px;
  background: color-mix(in oklab, var(--bg), transparent 85%);
  overflow: hidden; margin-top: 32px;
}

[data-design="b"] .rf-footer__regmark {
  position: absolute; top: 0; left: -8%;
  width: 6px; height: 1px; background: var(--accent);
  animation: method-sweep var(--dur-pool) linear infinite;
}

/* ═══════════════════════════════════════════════════════════════════
   MOBILE ANTI-SCROLL — scoped to .dq-design
   ═══════════════════════════════════════════════════════════════════ */
[data-design="b"].dq-design,
[data-design="b"] .dq-design {
  max-width: 100%;
  overflow-x: clip;
}

[data-design="b"].dq-design * {
  min-width: 0;
}

[data-design="b"].dq-design img,
[data-design="b"].dq-design svg:not([data-keep-size]) {
  max-width: 100%;
  height: auto;
}

@media (max-width: 480px) {
  [data-design="b"] .rf-hero__content {
    padding: 64px 20px 56px;
  }
  [data-design="b"] .rf-interactive { padding: 64px 16px; }
  [data-design="b"] .rf-portfolio   { padding: 64px 16px; }
  [data-design="b"] .rf-ambient-b   { padding: 64px 16px; }
  [data-design="b"] .rf-process     { padding: 64px 16px; }
  [data-design="b"] .rf-services    { padding: 64px 16px; }
  [data-design="b"] .rf-about       { padding: 64px 16px; }
  [data-design="b"] .rf-footer      { padding: 48px 16px 32px; }
}

/* 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; }