/* ============================================================
   design-a — Portland Roofing Services × Datum design system
   All selectors scoped under [data-design="a"] .dq-design or
   [data-design="a"] — zero [data-design="a"] left.
   ============================================================ */

/* ── Design tokens ──────────────────────────────────────── */
[data-design="a"] {
  --design-a-primary:       #9E4221;

  --datum-bg:               #ECEAE4;
  --datum-surface:          #F6F4EE;
  --datum-surface-warm:     #E4DFD3;
  --datum-ink:              #18181B;
  --datum-ink-2:            #33343A;
  --datum-muted:            #7A7B82;
  --datum-meta:             #9C9CA1;
  --datum-border:           #D4D0C8;
  --datum-border-strong:    #1F1F22;
  --datum-accent:           #9E4221;
  --datum-accent-hover:     #8A381A;
  --datum-accent-active:    #76300F;
  --datum-flag:             #E5B100;
  --datum-success:          #4A6B43;
  --datum-warn:             #B0762B;
  --datum-critical:         #A6311F;
  --datum-accent-on:        #F6F4EE;

  --datum-font-display:     'Helvetica Neue', 'Inter Tight', Arial, system-ui, sans-serif;
  --datum-font-body:        'Helvetica Neue', Inter, Arial, system-ui, sans-serif;
  --datum-font-mono:        'JetBrains Mono', 'IBM Plex Mono', ui-monospace, Menlo, monospace;

  --datum-step-1:  4px;
  --datum-step-2:  8px;
  --datum-step-3:  12px;
  --datum-step-4:  20px;
  --datum-step-5:  32px;
  --datum-step-6:  56px;
  --datum-step-7:  96px;
  --datum-step-8:  144px;

  --datum-dur-snap:   100ms;
  --datum-dur-set:    240ms;
  --datum-dur-arc:    1800ms;
  --datum-dur-cure:   18000ms;
  --datum-dur-light:  26000ms;

  --datum-ease-set:  cubic-bezier(0.22, 0.61, 0.36, 1);
  --datum-ease-arc:  cubic-bezier(0.45, 0, 0.55, 1);
  --datum-ease-snap: cubic-bezier(0.5, 0, 0.7, 0);

  --datum-r-0: 0;
  --datum-r-1: 2px;
  --datum-r-2: 6px;

  --datum-elev-0:    none;
  --datum-elev-ring: inset 0 0 0 1px var(--datum-border);
  --datum-elev-press: inset 0 1px 0 0 rgba(0,0,0,0.06);

  /* base reset */
  background: var(--datum-bg);
  color: var(--datum-ink);
  font-family: var(--datum-font-body);
  font-size: 17px;
  line-height: 1.55;
  box-sizing: border-box;
}

[data-design="a"] *,
[data-design="a"] *::before,
[data-design="a"] *::after {
  box-sizing: inherit;
}

/* ── E1: Animated minimalist header ─────────────────────── */
[data-design="a"] .rf-header {
  position: sticky; top: 0; z-index: 30;
  background: var(--datum-bg);
  border-bottom: 1px solid var(--datum-border);
}
[data-design="a"] .rf-header__bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px clamp(20px, 4vw, 56px);
  position: relative; z-index: 2;
}
[data-design="a"] .rf-logo {
  font-family: var(--datum-font-display);
  font-weight: 600; font-size: 22px; letter-spacing: -0.01em;
  color: var(--datum-ink); text-decoration: none;
}
[data-design="a"] .rf-atmosphere {
  position: absolute; inset: auto 0 0 0; height: 2px;
  overflow: hidden; pointer-events: none;
}
[data-design="a"] .rf-atmosphere__hairline {
  position: absolute; top: 0; left: -40%;
  height: 2px; width: 40%;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--datum-accent) 50%,
    transparent 100%);
  animation: a-light-traverse var(--datum-dur-light) linear infinite;
}
@keyframes a-light-traverse {
  0%   { transform: translateX(0); }
  100% { transform: translateX(350%); }
}
[data-design="a"] .rf-burger {
  width: 44px; height: 44px;
  display: flex; flex-direction: column; justify-content: center; gap: 6px;
  background: transparent; border: 1px solid var(--datum-border);
  border-radius: 0; cursor: pointer; padding: 0 10px;
  transition: border-color var(--datum-dur-set) var(--datum-ease-set);
}
[data-design="a"] .rf-burger__line {
  display: block; height: 2px; background: var(--datum-ink);
  transition: transform var(--datum-dur-set) var(--datum-ease-set),
              opacity   var(--datum-dur-set) var(--datum-ease-set);
}
[data-design="a"] .rf-burger:hover { border-color: var(--datum-ink); }
[data-design="a"] .rf-burger[aria-expanded="true"] .rf-burger__line:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}
[data-design="a"] .rf-burger[aria-expanded="true"] .rf-burger__line:nth-child(2) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Drawer nav */
[data-design="a"] .rf-menu[hidden] { display: none; }
[data-design="a"] .rf-menu {
  position: fixed; inset: 0; background: var(--datum-bg);
  z-index: 40; padding: clamp(72px, 12vh, 120px) clamp(24px, 6vw, 96px);
  transform: translateY(-100%);
  transition: transform var(--datum-dur-set) var(--datum-ease-set);
}
[data-design="a"] .rf-menu:not([hidden]) { transform: translateY(0); }
[data-design="a"] .rf-menu__inner {
  display: flex; flex-direction: column; gap: 24px;
  max-width: 720px;
}
[data-design="a"] .rf-menu__link {
  font-family: var(--datum-font-display);
  font-weight: 600; font-size: clamp(36px, 6vw, 56px);
  color: var(--datum-ink); text-decoration: none;
  letter-spacing: -0.02em;
  padding-block: 8px; border-bottom: 1px solid var(--datum-border);
  transition: color var(--datum-dur-set) var(--datum-ease-set);
}
[data-design="a"] .rf-menu__link:hover { color: var(--datum-accent); }
[data-design="a"] .rf-menu__link--phone {
  font-size: clamp(24px, 4vw, 36px);
  color: var(--datum-muted);
}

/* ── Hero section ────────────────────────────────────────── */
[data-design="a"] .rf-hero {
  position: relative;
  min-height: clamp(480px, 70vh, 800px);
  display: flex; align-items: center;
  overflow: hidden;
  background: var(--datum-bg);
}

/* E3: Animated hero backdrop — z below text, pointer-events none */
[data-design="a"] .rf-hero__backdrop {
  position: absolute; inset: 0;
  z-index: 0; pointer-events: none;
  overflow: hidden;
}
[data-design="a"] .rf-hero__canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block;
}

/* Hero text — position:relative + z above backdrop */
[data-design="a"] .rf-hero__content {
  position: relative; z-index: 2;
  padding: clamp(64px, 10vw, 120px) clamp(20px, 5vw, 96px);
  max-width: 900px;
}
[data-design="a"] .rf-hero__eyebrow {
  font-family: var(--datum-font-mono);
  font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--datum-accent); margin: 0 0 16px;
  /* opacity:1 at first paint — never opacity:0 */
  opacity: 1;
}
[data-design="a"] .rf-hero__headline {
  font-family: var(--datum-font-display);
  font-size: clamp(40px, 7vw, 88px);
  font-weight: 600; letter-spacing: -0.02em; line-height: 1.05;
  color: var(--datum-ink); margin: 0 0 20px;
  /* opacity:1 at first paint */
  opacity: 1;
}
[data-design="a"] .rf-hero__subtitle {
  font-family: var(--datum-font-body);
  font-size: clamp(16px, 2.2vw, 22px); color: var(--datum-ink-2);
  margin: 0 0 12px; max-width: 56ch;
  opacity: 1;
}
[data-design="a"] .rf-hero__proof {
  font-family: var(--datum-font-mono);
  font-size: 13px; letter-spacing: 0.06em;
  color: var(--datum-muted); margin: 0 0 36px;
  opacity: 1;
}

/* ── E2: Animated CTA ────────────────────────────────────── */
[data-design="a"] .rf-cta {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 16px 26px;
  background: var(--datum-accent); color: var(--datum-accent-on);
  font-family: var(--datum-font-display);
  font-weight: 600; font-size: 17px; letter-spacing: 0.02em;
  text-decoration: none; border: 1px solid transparent; border-radius: 0;
  position: relative; overflow: hidden;
  transition: background-color var(--datum-dur-set) var(--datum-ease-set),
              transform        var(--datum-dur-set) var(--datum-ease-set);
  animation: a-cta-breath 4s var(--datum-ease-arc) infinite;
  will-change: transform, background-color;
  /* first-paint opacity: 1 */
  opacity: 1;
  min-height: 44px; min-width: 44px;
}
[data-design="a"] .rf-cta:hover { background: var(--datum-accent-hover); }
[data-design="a"] .rf-cta:focus-visible {
  outline: 2px solid var(--datum-accent);
  outline-offset: 4px;
}
[data-design="a"] .rf-cta:active {
  background: var(--datum-accent-active);
  transform: translateY(1px);
  box-shadow: var(--datum-elev-press);
  transition-duration: var(--datum-dur-snap);
}
[data-design="a"] .rf-cta__arrow {
  display: inline-flex;
  transition: transform var(--datum-dur-set) var(--datum-ease-set);
}
[data-design="a"] .rf-cta:hover .rf-cta__arrow { transform: translateX(3px); }
@keyframes a-cta-breath {
  0%, 100% { filter: brightness(1);    }
  50%      { filter: brightness(1.06); }
}

/* ── E3: Ambient-A datum-line strip ─────────────────────── */
[data-design="a"] .rf-ambient-a {
  padding: var(--datum-step-7) clamp(20px, 5vw, 56px) var(--datum-step-5);
  max-width: 1280px; margin: 0 auto;
}
[data-design="a"] .rf-ambient-a__title {
  font-family: var(--datum-font-display); font-weight: 600;
  font-size: clamp(32px, 4vw, 48px); letter-spacing: -0.02em;
  margin: 0 0 12px; color: var(--datum-ink);
}
[data-design="a"] .rf-ambient-a__sub {
  max-width: 64ch; margin: 0 0 var(--datum-step-5); color: var(--datum-ink-2);
  font-size: 17px; line-height: 1.55;
}
[data-design="a"] .rf-datum {
  position: relative; height: 64px; width: 100%;
  border-top: 1px solid var(--datum-border);
  padding-top: 28px;
}
[data-design="a"] .rf-datum__line {
  position: absolute; left: 0; top: 28px; height: 2px; width: 0;
  background: var(--datum-border-strong);
  transition: width 1.6s var(--datum-ease-set);
}
[data-design="a"] .rf-ambient-a.is-in .rf-datum__line { width: 100%; }
[data-design="a"] .rf-datum__tick {
  position: absolute; top: 28px; left: calc(var(--i) * 12.5%);
  width: 2px; height: 10px; background: var(--datum-ink);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.5s var(--datum-ease-set) calc(0.2s + var(--i) * 0.12s),
              transform 0.5s var(--datum-ease-set) calc(0.2s + var(--i) * 0.12s);
  animation: a-tick-pulse 11s ease-in-out infinite;
  animation-delay: calc(var(--i) * 1.3s);
}
[data-design="a"] .rf-ambient-a.is-in .rf-datum__tick {
  opacity: 1; transform: translateY(0);
}
[data-design="a"] .rf-datum__tick em {
  position: absolute; top: 14px; left: -18px;
  font-family: var(--datum-font-mono); font-style: normal;
  font-size: 11px; color: var(--datum-meta); letter-spacing: 0.02em;
}
@keyframes a-tick-pulse {
  0%, 92%, 100% { background: var(--datum-ink); }
  96%           { background: var(--datum-accent); }
}
[data-design="a"] .rf-ambient-a.is-paused .rf-datum__tick { animation-play-state: paused; }

/* ── Services section ────────────────────────────────────── */
[data-design="a"] .rf-services-section {
  background: var(--datum-surface);
  border-top: 1px solid var(--datum-border);
  border-bottom: 1px solid var(--datum-border);
  padding: var(--datum-step-7) clamp(20px, 5vw, 56px);
}
[data-design="a"] .rf-services-section__inner {
  max-width: 1280px; margin: 0 auto;
}
[data-design="a"] .rf-eyebrow {
  display: inline-block;
  font-family: var(--datum-font-mono);
  font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--datum-accent); margin-bottom: 12px;
}
[data-design="a"] .rf-services-section__title {
  font-family: var(--datum-font-display); font-weight: 600;
  font-size: clamp(28px, 4vw, 48px); letter-spacing: -0.02em;
  margin: 0 0 var(--datum-step-5); color: var(--datum-ink);
}
[data-design="a"] .rf-services-list {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 0;
  border: 1px solid var(--datum-border);
}
[data-design="a"] .rf-services-list__item {
  display: flex; align-items: flex-start; gap: var(--datum-step-4);
  padding: var(--datum-step-4);
  border-bottom: 1px solid var(--datum-border);
  background: var(--datum-bg);
}
[data-design="a"] .rf-services-list__item:last-child { border-bottom: 0; }
[data-design="a"] .rf-services-list__num {
  font-family: var(--datum-font-mono); font-size: 12px;
  color: var(--datum-meta); letter-spacing: 0.08em;
  min-width: 28px; padding-top: 3px; flex-shrink: 0;
}
[data-design="a"] .rf-services-list__name {
  font-family: var(--datum-font-display); font-weight: 600;
  font-size: 17px; color: var(--datum-ink); display: block; margin-bottom: 4px;
}
[data-design="a"] .rf-services-list__desc {
  font-size: 15px; color: var(--datum-ink-2); margin: 0; line-height: 1.5;
}

/* ── E4: Ambient-B "pour" — adapted as process counter ──── */
[data-design="a"] .rf-ambient-b {
  padding: var(--datum-step-7) clamp(20px, 5vw, 56px);
  max-width: 1280px; margin: 0 auto;
}
[data-design="a"] .rf-ambient-b__title {
  font-family: var(--datum-font-display); font-weight: 600;
  font-size: clamp(32px, 4vw, 48px); letter-spacing: -0.02em;
  margin: 0 0 var(--datum-step-5); color: var(--datum-ink);
}
[data-design="a"] .rf-pour {
  display: grid;
  grid-template-columns: minmax(160px, 240px) 1fr;
  gap: var(--datum-step-5);
  align-items: end;
  border: 1px solid var(--datum-border);
  background: var(--datum-surface);
  padding: var(--datum-step-5);
}
[data-design="a"] .rf-pour__well {
  position: relative; aspect-ratio: 1 / 1;
  background: var(--datum-surface-warm);
  border: 1px solid var(--datum-border);
  overflow: hidden;
}
[data-design="a"] .rf-pour__fill {
  position: absolute; inset: auto 0 0 0; height: 0%;
  background: var(--datum-ink-2);
  animation: a-cure-fill var(--datum-dur-cure) linear infinite;
}
[data-design="a"] .rf-pour__waterline {
  position: absolute; left: 0; right: 0;
  height: 2px; background: var(--datum-accent);
  bottom: 0;
  animation: a-cure-line var(--datum-dur-cure) linear infinite;
}
@keyframes a-cure-fill {
  0%   { height: 0%;  background: #7A7975; }
  60%  { height: 88%; background: #5C5B58; }
  90%  { height: 92%; background: var(--datum-bg); }
  100% { height: 92%; background: var(--datum-bg); }
}
@keyframes a-cure-line {
  0%   { bottom: 0%;  opacity: 1; }
  60%  { bottom: 88%; opacity: 1; }
  90%  { bottom: 92%; opacity: 0; }
  100% { bottom: 0%;  opacity: 0; }
}
[data-design="a"] .rf-pour__meta {
  display: flex; flex-direction: column; gap: 4px;
  font-family: var(--datum-font-mono); color: var(--datum-ink);
}
[data-design="a"] .rf-pour__label {
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--datum-meta);
}
[data-design="a"] .rf-pour__value {
  font-family: var(--datum-font-display); font-weight: 600;
  font-size: clamp(48px, 7vw, 88px); letter-spacing: -0.02em;
  color: var(--datum-ink); font-variant-numeric: tabular-nums;
  line-height: 1;
}
[data-design="a"] .rf-pour__unit {
  font-size: 13px; color: var(--datum-muted);
}
[data-design="a"] .rf-pour__sub {
  grid-column: 1 / -1; margin: 0; color: var(--datum-ink-2);
  font-size: 17px; line-height: 1.55; max-width: 64ch;
}
[data-design="a"] .rf-ambient-b.is-paused .rf-pour__fill,
[data-design="a"] .rf-ambient-b.is-paused .rf-pour__waterline {
  animation-play-state: paused;
}

/* Process steps row */
[data-design="a"] .rf-process-steps {
  list-style: none; padding: 0; margin: var(--datum-step-5) 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0;
  border: 1px solid var(--datum-border);
  background: var(--datum-bg);
}
[data-design="a"] .rf-process-steps li {
  display: flex; flex-direction: column; gap: 8px;
  padding: var(--datum-step-4);
  border-right: 1px solid var(--datum-border);
  font-size: 14px; color: var(--datum-ink-2);
}
[data-design="a"] .rf-process-steps li:last-child { border-right: 0; }
[data-design="a"] .rf-process-steps__n {
  font-family: var(--datum-font-mono); font-size: 11px;
  color: var(--datum-accent); letter-spacing: 0.08em;
}

/* ── E6 Pointer ──────────────────────────────────────────── */
[data-design="a"] .rf-pointer {
  max-width: 760px; margin: 0 auto;
  padding: 24px clamp(20px, 5vw, 56px) 0;
  display: flex;
  align-items: center;
  gap: 16px;
  font-variant-numeric: tabular-nums;
  color: var(--datum-ink);
  /* Must be opacity:1 + bbox height ≥ 8px */
  opacity: 1;
}
[data-design="a"] .datum-pointer__counter {
  font-family: var(--datum-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.75;
  white-space: nowrap;
}
[data-design="a"] .datum-pointer__counter-now {
  display: inline-block;
  min-width: 1ch;
  animation: a-pointer-tick 320ms ease-out;
}
[data-design="a"] .datum-pointer__bar {
  position: relative;
  flex: 1;
  height: 2px;
  background: currentColor;
  opacity: 0.15;
  border-radius: 1px;
  overflow: hidden;
}
[data-design="a"] .datum-pointer__bar-fill {
  position: absolute;
  inset: 0;
  width: var(--datum-pointer-progress, 16%);
  background: var(--datum-accent);
  opacity: 1;
  transition: width 480ms cubic-bezier(0.22, 0.61, 0.36, 1);
}
[data-design="a"] .datum-pointer__chev {
  font-size: 18px;
  opacity: 0.6;
  animation: a-pointer-chev 4s ease-in-out infinite;
}
@keyframes a-pointer-tick {
  0%   { transform: translateY(-6px); opacity: 0; }
  100% { transform: translateY(0);    opacity: 1; }
}
@keyframes a-pointer-chev {
  0%, 100% { transform: translateX(0);   opacity: 0.45; }
  50%      { transform: translateX(4px); opacity: 0.9; }
}

/* ── E5: Funnel ──────────────────────────────────────────── */
[data-design="a"] .rf-interactive {
  max-width: 760px; margin: 0 auto var(--datum-step-8);
  padding: var(--datum-step-6) clamp(20px, 5vw, 56px) 0;
}
[data-design="a"] .rf-funnel__head { margin-bottom: var(--datum-step-5); }
[data-design="a"] .rf-funnel__eyebrow {
  display: inline-block; font-family: var(--datum-font-mono);
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--datum-accent); margin-bottom: 8px;
}
[data-design="a"] .rf-funnel__title {
  font-family: var(--datum-font-display); font-weight: 600;
  font-size: clamp(32px, 5vw, 56px); letter-spacing: -0.02em;
  margin: 0; color: var(--datum-ink);
}
[data-design="a"] .rf-funnel__steps {
  display: flex; gap: 0; list-style: none; padding: 0; margin: 0 0 var(--datum-step-5);
  border: 1px solid var(--datum-border); background: var(--datum-surface);
}
[data-design="a"] .rf-step-pip {
  flex: 1; display: flex; align-items: center; gap: 8px;
  padding: 12px 12px; border-right: 1px solid var(--datum-border);
  font-family: var(--datum-font-mono); font-size: 12px; color: var(--datum-muted);
  transition: color var(--datum-dur-set) var(--datum-ease-set),
              background-color var(--datum-dur-set) var(--datum-ease-set);
}
[data-design="a"] .rf-step-pip:last-child { border-right: 0; }
[data-design="a"] .rf-step-pip__n { font-weight: 600; }
[data-design="a"] .rf-step-pip.is-active { background: var(--datum-ink); color: var(--datum-bg); }
[data-design="a"] .rf-step-pip.is-done   { color: var(--datum-accent); }

[data-design="a"] .rf-funnel {
  position: relative; border: 1px solid var(--datum-border); background: var(--datum-surface);
  padding: var(--datum-step-5);
}
[data-design="a"] .rf-funnel__step {
  border: 0; padding: 0; margin: 0;
  display: grid; gap: var(--datum-step-4);
  opacity: 0; transform: translateX(24px);
  transition: opacity var(--datum-dur-set) var(--datum-ease-set),
              transform var(--datum-dur-set) var(--datum-ease-set);
}
[data-design="a"] .rf-funnel__step.is-active { opacity: 1; transform: translateX(0); }
[data-design="a"] .rf-funnel__legend {
  font-family: var(--datum-font-mono); font-size: 12px;
  color: var(--datum-meta); letter-spacing: 0.08em; text-transform: uppercase;
  border: 0; padding: 0; margin: 0;
}
[data-design="a"] .rf-slot {
  display: grid; gap: 6px;
}
[data-design="a"] .rf-slot__label {
  font-family: var(--datum-font-mono); font-size: 12px;
  color: var(--datum-meta); letter-spacing: 0.08em; text-transform: uppercase;
}
[data-design="a"] .rf-slot input,
[data-design="a"] .rf-slot select,
[data-design="a"] .rf-slot textarea {
  font-family: var(--datum-font-body); font-size: 17px; color: var(--datum-ink);
  border: 1px solid var(--datum-border); background: var(--datum-bg);
  padding: 12px 14px; border-radius: 0; outline: none; width: 100%;
  transition: border-color var(--datum-dur-snap) var(--datum-ease-set),
              box-shadow   var(--datum-dur-snap) var(--datum-ease-set);
}
[data-design="a"] .rf-slot input:focus,
[data-design="a"] .rf-slot select:focus,
[data-design="a"] .rf-slot textarea:focus {
  border-color: var(--datum-accent);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--datum-accent), transparent 70%);
}
[data-design="a"] .rf-slot.is-error input,
[data-design="a"] .rf-slot.is-error select,
[data-design="a"] .rf-slot.is-error textarea {
  border-color: var(--datum-critical);
}
[data-design="a"] .rf-chips {
  display: flex; flex-wrap: wrap; gap: 8px;
}
[data-design="a"] .rf-chip {
  position: relative; padding: 10px 14px;
  border: 1px solid var(--datum-border); background: var(--datum-bg);
  font-size: 15px; cursor: pointer;
  transition: border-color var(--datum-dur-snap) var(--datum-ease-set),
              background-color var(--datum-dur-snap) var(--datum-ease-set),
              color var(--datum-dur-snap) var(--datum-ease-set);
  min-height: 44px; display: flex; align-items: center;
}
[data-design="a"] .rf-chip input {
  position: absolute; opacity: 0; pointer-events: none;
  width: 0; height: 0;
}
[data-design="a"] .rf-chip:hover { border-color: var(--datum-ink); }
[data-design="a"] .rf-chip:has(input:checked) {
  background: var(--datum-accent); color: var(--datum-accent-on); border-color: var(--datum-accent);
}
[data-design="a"] .rf-funnel__nav {
  display: flex; gap: 12px; justify-content: flex-end; margin-top: var(--datum-step-3);
  flex-wrap: wrap;
}
[data-design="a"] .rf-funnel__phone-note {
  font-size: 14px; color: var(--datum-muted); margin: 0;
}
[data-design="a"] .rf-funnel__phone-note a {
  color: var(--datum-accent); text-decoration: underline;
}

/* Plates (buttons) */
[data-design="a"] .rf-plate {
  font-family: var(--datum-font-display); font-weight: 600; font-size: 15px;
  padding: 14px 22px; border-radius: 0; border: 1px solid transparent;
  cursor: pointer; letter-spacing: 0.02em;
  transition: background-color var(--datum-dur-set) var(--datum-ease-set),
              color var(--datum-dur-set) var(--datum-ease-set);
  min-height: 44px; min-width: 44px;
}
[data-design="a"] .rf-plate--primary {
  background: var(--datum-accent); color: var(--datum-accent-on);
}
[data-design="a"] .rf-plate--primary:hover { background: var(--datum-accent-hover); }
[data-design="a"] .rf-plate--primary:active {
  background: var(--datum-accent-active); transform: translateY(1px);
}
[data-design="a"] .rf-plate--quiet {
  background: transparent; color: var(--datum-ink);
  border-color: var(--datum-border);
}
[data-design="a"] .rf-plate--quiet:hover { border-color: var(--datum-ink); }

/* Receipt */
[data-design="a"] .rf-funnel__receipt {
  display: grid; gap: var(--datum-step-3); padding: var(--datum-step-5) 0;
  text-align: left; animation: a-step-in var(--datum-dur-set) var(--datum-ease-set);
}
[data-design="a"] .rf-funnel__stamp {
  display: inline-block; padding: 6px 10px;
  border: 2px solid var(--datum-accent); color: var(--datum-accent);
  font-family: var(--datum-font-mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  transform: rotate(-2deg); justify-self: start;
}
[data-design="a"] .rf-funnel__thanks {
  font-family: var(--datum-font-display); font-weight: 600;
  font-size: clamp(22px, 3vw, 30px); letter-spacing: -0.01em; margin: 0;
}
[data-design="a"] .rf-funnel__id {
  font-family: var(--datum-font-mono); color: var(--datum-muted); margin: 0;
}
@keyframes a-step-in {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Funnel trust row */
[data-design="a"] .rf-funnel__trust {
  margin-top: var(--datum-step-4);
  padding-top: var(--datum-step-4);
  border-top: 1px solid var(--datum-border);
  font-family: var(--datum-font-mono); font-size: 12px;
  color: var(--datum-muted); letter-spacing: 0.04em;
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between;
}
[data-design="a"] .rf-funnel__trust a {
  color: var(--datum-accent); text-decoration: none;
}
[data-design="a"] .rf-funnel__trust a:hover { text-decoration: underline; }

/* ── Footer ──────────────────────────────────────────────── */
[data-design="a"] .rf-footer {
  background: var(--datum-ink); color: var(--datum-bg);
  border-top: 2px solid var(--datum-border-strong);
  padding: var(--datum-step-7) clamp(20px, 5vw, 56px) var(--datum-step-5);
}
[data-design="a"] .rf-footer__inner {
  max-width: 1280px; margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--datum-step-5);
  align-items: start;
}
[data-design="a"] .rf-footer__name {
  font-family: var(--datum-font-display); font-weight: 600;
  font-size: 17px; margin: 0 0 8px; color: var(--datum-surface);
}
[data-design="a"] .rf-footer__addr {
  font-family: var(--datum-font-mono); font-size: 12px;
  color: var(--datum-muted); margin: 0 0 8px;
}
[data-design="a"] .rf-footer__phone {
  font-family: var(--datum-font-display); font-weight: 600;
  font-size: 17px; color: var(--datum-surface); text-decoration: none;
  display: block;
}
[data-design="a"] .rf-footer__phone:hover { color: var(--datum-accent); }
[data-design="a"] .rf-footer__cta {
  background: var(--datum-accent); color: var(--datum-accent-on);
  font-family: var(--datum-font-display); font-weight: 600;
  font-size: 15px; padding: 14px 20px;
  text-decoration: none; border: 1px solid transparent;
  display: inline-flex; align-items: center;
  min-height: 44px;
}
[data-design="a"] .rf-footer__cta:hover { background: var(--datum-accent-hover); }
[data-design="a"] .rf-footer__col--meta {
  text-align: right;
}
[data-design="a"] .rf-footer__copy {
  font-family: var(--datum-font-mono); font-size: 11px;
  color: var(--datum-muted); margin: 0 0 4px; letter-spacing: 0.02em;
}
[data-design="a"] .rf-footer__tag {
  font-family: var(--datum-font-mono); font-size: 11px;
  color: var(--datum-muted); margin: 0; letter-spacing: 0.02em;
}

/* ── Reduced motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .rf-atmosphere__hairline { animation: none; opacity: 0.4; transform: translateX(140%); }
  [data-design="a"] .rf-menu { transition: none; }
  [data-design="a"] .rf-cta { animation: none; transition: none; }
  [data-design="a"] .rf-datum__line { transition: none; width: 100%; }
  [data-design="a"] .rf-datum__tick { transition: none; opacity: 1; transform: none; animation: none; }
  [data-design="a"] .rf-pour__fill { animation: none; height: 88%; background: var(--datum-ink-2); }
  [data-design="a"] .rf-pour__waterline { animation: none; opacity: 0; }
  [data-design="a"] .rf-funnel__step { animation: none; transition: none; transform: none; }
  [data-design="a"] .rf-funnel__receipt { animation: none; transition: none; transform: none; }
  [data-design="a"] .datum-pointer__counter-now,
  [data-design="a"] .datum-pointer__chev,
  [data-design="a"] .datum-pointer__bar-fill { animation: none; transition: none; }
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  [data-design="a"] .rf-footer__inner {
    grid-template-columns: 1fr;
  }
  [data-design="a"] .rf-footer__col--meta {
    text-align: left;
  }
  [data-design="a"] .rf-pour {
    grid-template-columns: 1fr;
  }
  [data-design="a"] .rf-pour__well {
    aspect-ratio: 16 / 9;
  }
  [data-design="a"] .rf-process-steps {
    grid-template-columns: 1fr 1fr;
  }
  [data-design="a"] .rf-process-steps li {
    border-right: 1px solid var(--datum-border);
    border-bottom: 1px solid var(--datum-border);
  }
}
@media (max-width: 560px) {
  [data-design="a"] .rf-logo { font-size: 16px; }
  [data-design="a"] .rf-header__bar { padding: 16px 20px; }
  [data-design="a"] .rf-datum__tick:nth-child(odd) em { display: none; }
  [data-design="a"] .rf-funnel__steps { font-size: 10px; }
  [data-design="a"] .rf-step-pip { padding: 10px 8px; gap: 4px; }
  [data-design="a"] .rf-funnel__nav { justify-content: stretch; }
  [data-design="a"] .rf-plate { width: 100%; justify-content: center; }
  [data-design="a"] .rf-process-steps {
    grid-template-columns: 1fr;
  }
  [data-design="a"] .rf-process-steps li {
    border-right: 0;
  }
}

/* ── Chrome isolation / mobile no-hscroll (HARD) ────────── */
[data-design="a"].dq-design,
[data-design="a"] .dq-design { max-width: 100%; overflow-x: clip; }
[data-design="a"].dq-design * { min-width: 0; }
[data-design="a"].dq-design img,
[data-design="a"].dq-design svg:not([data-keep-size]) { max-width: 100%; height: auto; }

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