/* =========================================================================
   DESIGN-A: Instrument Grade × Green City Roofing
   Premium-funnel build · hero_mode: schematic · single design
   ========================================================================= */

/* Design tokens — trade-substrate-rooted for instrument-grade + roofing */
[data-design="a"] {
  /* Color system */
  --slate-vault: #FAFAF7;        /* page surface — warm bond-paper cream */
  --chalk-ledger: #FFFFFF;       /* cards, sheets */
  --roof-graphite: #0B0D12;      /* primary text */
  --graphite-mid: #1F2330;       /* subhead text */
  --slate-muted: #6E7484;        /* caption, secondary */
  --slate-meta: #9CA1B0;         /* mono metadata */
  --border-hairline: #E6E4DC;    /* default 1px border */
  --border-soft: #F0EEE6;        /* internal row separators */
  --signal-copper: #1B3B8C;      /* deep ultramarine — primary CTAs, links */
  --copper-glow: #4F7CFF;        /* gradient mesh inner glow */
  --accent-on: #FFFFFF;          /* foreground on accent */
  --grade-amber: #C8A96A;        /* sparing ornament */
  --trust-mint: #1B7A4A;         /* status-positive */
  --alert-red: #B83E2A;          /* status-negative */
  --price-anchor: #1B3B8C;       /* price display color */
  --mesh-deep: #0D1A3D;          /* mesh layer deep tint */

  /* Typography */
  --font-display: "GT Super Display", "Tiempos Headline", "Iowan Old Style", Georgia, serif;
  --font-sans: "Söhne", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: "Berkeley Mono", "JetBrains Mono", "IBM Plex Mono", ui-monospace, Menlo, monospace;

  /* Spacing */
  --tick: 4px;
  --row: 8px;
  --stem: 12px;
  --line: 16px;
  --block: 24px;
  --fold: 40px;
  --folio: 80px;
  --folio-t: 48px;
  --folio-p: 32px;

  /* Motion */
  --d-tick: 90ms;
  --d-fast: 180ms;
  --d-base: 320ms;
  --d-breath: 4200ms;
  --d-drift: 22s;
  --d-shimmer: 14s;

  /* Easing */
  --ease-register: cubic-bezier(.2, 0, 0, 1);
  --ease-drift: cubic-bezier(.42, 0, .58, 1);
  --ease-press: cubic-bezier(.4, 0, .2, 1);

  /* Radius */
  --r-tick: 2px;
  --r-edge: 6px;
  --r-sheet: 10px;
  --r-pill: 9999px;

  /* Elevation */
  --elev-ring: 0 0 0 1px var(--border-hairline);
  --elev-1: 0 1px 0 var(--border-hairline), 0 8px 24px -16px rgba(11,13,18,.10);
  --elev-drawer: 0 1px 0 var(--border-hairline), 0 24px 48px -24px rgba(11,13,18,.18);
  --focus: 0 0 0 3px color-mix(in oklab, var(--signal-copper), transparent 75%);

  /* Expose primary for chrome-kit */
  --design-a-primary: var(--signal-copper);
}

/* Base layout */
[data-design="a"].dq-design,
[data-design="a"] .dq-design {
  background: var(--slate-vault);
  color: var(--roof-graphite);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =========================================================================
   ELEMENT 1: Animated minimalist header with logo shimmer
   ========================================================================= */

[data-design="a"] .ig-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in oklab, var(--slate-vault), transparent 8%);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border-hairline);
}

/* Atmospheric mesh layer */
[data-design="a"] .ig-mesh {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

[data-design="a"] .ig-mesh__a,
[data-design="a"] .ig-mesh__b {
  position: absolute;
  inset: -40%;
  filter: blur(48px);
  opacity: .42;
}

[data-design="a"] .ig-mesh__a {
  background: radial-gradient(closest-side at 30% 50%,
              var(--copper-glow) 0%, transparent 60%),
              radial-gradient(closest-side at 70% 60%,
              var(--signal-copper) 0%, transparent 65%);
  animation: ig-mesh-drift-a var(--d-drift) var(--ease-drift) infinite;
}

[data-design="a"] .ig-mesh__b {
  background: radial-gradient(closest-side at 80% 30%,
              color-mix(in oklab, var(--grade-amber), transparent 40%) 0%, transparent 55%);
  animation: ig-mesh-drift-b 31s var(--ease-drift) infinite;
  opacity: .22;
}

[data-design="a"] .ig-mesh__rule {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--signal-copper) 40%,
              var(--signal-copper) 60%, transparent);
  background-size: 220% 100%;
  animation: ig-mesh-sweep 27s linear infinite;
  opacity: .55;
}

@keyframes ig-mesh-drift-a {
  0%   { transform: translate3d(-6%, -2%, 0) scale(1); }
  50%  { transform: translate3d( 8%,  3%, 0) scale(1.08); }
  100% { transform: translate3d(-6%, -2%, 0) scale(1); }
}

@keyframes ig-mesh-drift-b {
  0%   { transform: translate3d( 4%,  2%, 0) scale(1); }
  50%  { transform: translate3d(-7%, -4%, 0) scale(1.12); }
  100% { transform: translate3d( 4%,  2%, 0) scale(1); }
}

@keyframes ig-mesh-sweep {
  0%   { background-position:   0% 0; }
  100% { background-position: 220% 0; }
}

/* Header bar */
[data-design="a"] .ig-header__bar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin-inline: auto;
  padding: 14px clamp(16px, 4vw, 24px);
}

/* Logo with shimmer */
[data-design="a"] .ig-logo {
  font-family: var(--font-display);
  font-size: clamp(17px, 1.6vw, 20px);
  letter-spacing: -0.015em;
  color: var(--roof-graphite);
  text-decoration: none;
  position: relative;
}

[data-design="a"] .ig-logo__mark {
  display: inline-block;
  position: relative;
}

/* Logo shimmer effect (Element 1 signature) */
[data-design="a"] .ig-logo__mark::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg,
    transparent 0%,
    transparent 40%,
    rgba(255,255,255,.4) 48%,
    rgba(255,255,255,.6) 52%,
    transparent 60%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: ig-logo-shimmer var(--d-shimmer) ease-in-out infinite;
  pointer-events: none;
}

@keyframes ig-logo-shimmer {
  0%, 100% { background-position: 200% 0; opacity: 0; }
  10%      { opacity: 1; }
  20%      { background-position: -100% 0; }
  30%, 100%{ opacity: 0; }
}

/* Progress indicator in header */
[data-design="a"] .ig-header__progress {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--slate-meta);
}

[data-design="a"] .ig-progress-bar {
  position: relative;
  width: 80px;
  height: 2px;
  background: var(--border-soft);
  border-radius: 1px;
  overflow: hidden;
}

[data-design="a"] .ig-progress-fill {
  position: absolute;
  inset: 0;
  width: 20%;
  background: var(--signal-copper);
  transition: width var(--d-base) var(--ease-register);
}

/* =========================================================================
   HERO HOOK SECTION (themed-movement schematic)
   ========================================================================= */

[data-design="a"] .ig-hero-hook {
  position: relative;
  padding: clamp(64px, 12vh, 120px) clamp(16px, 4vw, 24px) clamp(48px, 8vh, 80px);
  max-width: 1200px;
  margin-inline: auto;
  overflow: hidden;
}

/* Themed-movement schematic: single animated substrate layer */
[data-design="a"] .ig-hook__substrate {
  position: absolute;
  inset: -20%;
  pointer-events: none;
  opacity: 0;
  animation: ig-substrate-arrive 2s var(--ease-register) forwards;
}

@keyframes ig-substrate-arrive {
  0%   { opacity: 0; transform: scale(0.94) translateY(8px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

[data-design="a"] .ig-substrate__drift {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, color-mix(in oklab, var(--signal-copper), transparent 70%) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 60%, color-mix(in oklab, var(--copper-glow), transparent 75%) 0%, transparent 55%);
  filter: blur(80px);
  animation: ig-substrate-breathe 8s var(--ease-drift) infinite;
}

@keyframes ig-substrate-breathe {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); opacity: .35; }
  50%      { transform: translate3d(-3%, 2%, 0) scale(1.05); opacity: .45; }
}

[data-design="a"] .ig-hook__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

[data-design="a"] .ig-eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 12px;
  color: var(--slate-meta);
  margin: 0 0 var(--stem);
}

[data-design="a"] .ig-hook__headline {
  margin: 0 0 var(--block);
  display: flex;
  flex-direction: column;
  gap: var(--row);
}

[data-design="a"] .ig-hook__price {
  font-family: var(--font-display);
  font-size: clamp(56px, 12vw, 96px);
  letter-spacing: -.03em;
  line-height: 1;
  color: var(--price-anchor);
  font-variant-numeric: tabular-nums;
}

[data-design="a"] .ig-hook__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 44px);
  letter-spacing: -.02em;
  line-height: 1.1;
  color: var(--roof-graphite);
}

[data-design="a"] .ig-hook__voice {
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.6;
  color: var(--graphite-mid);
  margin: 0 0 var(--fold);
  max-width: 60ch;
}

[data-design="a"] .ig-hook__cta-lead {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: 12px;
  color: var(--slate-muted);
  margin: 0 0 var(--line);
}

/* =========================================================================
   ELEMENT 2: Animated CTA (eye-draw + funnel pointer)
   ========================================================================= */

[data-design="a"] .ig-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 14px 22px;
  border-radius: var(--r-edge);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 13px;
  color: var(--accent-on);
  text-decoration: none;
  background: var(--signal-copper);
  box-shadow: 0 1px 0 rgba(255,255,255,.18) inset,
              0 12px 28px -16px color-mix(in oklab, var(--signal-copper), black 30%);
  overflow: hidden;
  transition: transform var(--d-fast) var(--ease-press),
              box-shadow var(--d-fast) var(--ease-press);
  will-change: transform;
}

[data-design="a"] .ig-cta__mesh {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(closest-side at 30% 40%, var(--copper-glow) 0%, transparent 60%),
    radial-gradient(closest-side at 80% 60%, color-mix(in oklab, var(--grade-amber), transparent 40%) 0%, transparent 55%),
    var(--signal-copper);
  background-size: 200% 200%;
  filter: blur(14px);
  opacity: .9;
  animation: ig-cta-breath var(--d-breath) var(--ease-drift) infinite;
  z-index: 0;
}

[data-design="a"] .ig-cta__label,
[data-design="a"] .ig-cta__arrow {
  position: relative;
  z-index: 1;
}

[data-design="a"] .ig-cta__arrow {
  display: inline-flex;
  transition: transform var(--d-fast) var(--ease-register);
}

[data-design="a"] .ig-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 1px 0 rgba(255,255,255,.22) inset,
              0 18px 38px -18px color-mix(in oklab, var(--signal-copper), black 40%);
}

[data-design="a"] .ig-cta:hover .ig-cta__arrow {
  transform: translateX(4px);
}

[data-design="a"] .ig-cta:focus-visible {
  outline: none;
  box-shadow: var(--focus),
              0 12px 28px -16px color-mix(in oklab, var(--signal-copper), black 30%);
}

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

[data-design="a"] .ig-cta:active .ig-cta__arrow {
  transform: translateX(6px);
}

@keyframes ig-cta-breath {
  0%   { background-position:   0%  20%; transform: scale(1); }
  50%  { background-position: 100%  80%; transform: scale(1.04); }
  100% { background-position:   0%  20%; transform: scale(1); }
}

/* =========================================================================
   ELEMENT 5: Animated interactive element — THE FUNNEL
   ========================================================================= */

[data-design="a"] .ig-funnel-section {
  padding-block: var(--folio);
  max-width: 880px;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 24px);
}

[data-design="a"] .ig-funnel {
  position: relative;
  background: var(--chalk-ledger);
  border: 1px solid var(--border-hairline);
  border-radius: var(--r-sheet);
  box-shadow: var(--elev-1);
  padding: 0 0 var(--fold);
  overflow: hidden;
}

/* Funnel progress header with signature pointer */
[data-design="a"] .ig-funnel__header {
  position: relative;
  padding: var(--line) var(--fold) var(--stem);
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--block);
}

[data-design="a"] .ig-funnel__progress {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-soft);
}

[data-design="a"] .ig-funnel__bar {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 20%;
  background: var(--signal-copper);
  transition: width var(--d-base) var(--ease-register);
}

/* THE SIGNATURE POINTER: bold, playful, personality-rich */
[data-design="a"] .ig-pointer {
  display: flex;
  align-items: center;
  gap: 16px;
  font-variant-numeric: tabular-nums;
}

[data-design="a"] .ig-pointer__counter {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--roof-graphite);
  font-weight: 600;
}

[data-design="a"] .ig-pointer__counter-now {
  display: inline-block;
  min-width: 1ch;
  animation: ig-pointer-tick var(--d-base) var(--ease-register);
}

[data-design="a"] .ig-pointer__counter-sep {
  opacity: .5;
  margin: 0 2px;
}

/* Signature pointer chevron: bold, playful movement */
[data-design="a"] .ig-pointer__chevron {
  display: inline-flex;
  color: var(--signal-copper);
  animation: ig-pointer-pulse 3s ease-in-out infinite;
  transform-origin: center;
}

@keyframes ig-pointer-tick {
  0%   { transform: translateY(-8px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

@keyframes ig-pointer-pulse {
  0%, 100% {
    transform: translateX(0) scale(1);
    opacity: .75;
  }
  50% {
    transform: translateX(6px) scale(1.15);
    opacity: 1;
  }
}

[data-design="a"] .ig-funnel__ref {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--slate-meta);
}

/* Funnel steps (Element 3: step-transition motion) */
[data-design="a"] .ig-step {
  border: 0;
  margin: 0;
  padding: var(--fold);
  display: none;
  flex-direction: column;
  gap: var(--block);
  animation: ig-step-in var(--d-base) var(--ease-register) both;
}

[data-design="a"] .ig-step.is-active {
  display: flex;
}

@keyframes ig-step-in {
  from {
    opacity: 0;
    transform: translateX(16px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

[data-design="a"] .ig-step__legend {
  padding: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 28px);
  letter-spacing: -.015em;
  color: var(--roof-graphite);
  line-height: 1.2;
}

/* Answer chips (Element 2: step-advance buttons) */
[data-design="a"] .ig-chips {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}

[data-design="a"] .ig-chip {
  position: relative;
  display: block;
  cursor: pointer;
  padding: 14px 16px;
  background: var(--slate-vault);
  border: 1px solid var(--border-hairline);
  border-radius: var(--r-edge);
  font-size: 15px;
  color: var(--graphite-mid);
  transition: border-color var(--d-fast) var(--ease-press),
              transform var(--d-tick) var(--ease-press),
              background var(--d-fast) var(--ease-press),
              box-shadow var(--d-fast) var(--ease-press);
}

[data-design="a"] .ig-chip input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
}

[data-design="a"] .ig-chip:hover {
  border-color: var(--graphite-mid);
  background: var(--chalk-ledger);
}

[data-design="a"] .ig-chip:has(input:focus-visible) {
  box-shadow: var(--focus);
  border-color: var(--signal-copper);
}

[data-design="a"] .ig-chip:has(input:checked) {
  border-color: var(--signal-copper);
  color: var(--roof-graphite);
  background: color-mix(in oklab, var(--signal-copper), var(--chalk-ledger) 92%);
  box-shadow: inset 0 0 0 1.25px var(--signal-copper);
  transform: translateY(-1px);
}

[data-design="a"] .ig-chip:has(input:checked)::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 50%;
  width: 14px;
  height: 14px;
  transform: translateY(-50%);
  background: var(--signal-copper);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M2 8l4 4 8-9' fill='none' stroke='white' stroke-width='2'/></svg>") center / contain no-repeat;
  mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M2 8l4 4 8-9' fill='none' stroke='white' stroke-width='2'/></svg>") center / contain no-repeat;
}

/* Step navigation */
[data-design="a"] .ig-step__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border-soft);
  padding-top: var(--line);
}

[data-design="a"] .ig-step__hint {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate-meta);
  letter-spacing: .08em;
  text-transform: uppercase;
}

[data-design="a"] .ig-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--border-hairline);
  padding: 10px 16px;
  border-radius: var(--r-edge);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 12px;
  color: var(--graphite-mid);
  cursor: pointer;
  transition: transform var(--d-fast) var(--ease-press),
              border-color var(--d-fast) var(--ease-press),
              background var(--d-fast) var(--ease-press),
              color var(--d-fast) var(--ease-press);
}

[data-design="a"] .ig-btn:hover {
  border-color: var(--roof-graphite);
  color: var(--roof-graphite);
}

[data-design="a"] .ig-btn:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-color: var(--signal-copper);
}

[data-design="a"] .ig-btn:active {
  transform: translateY(1px);
}

[data-design="a"] .ig-btn--next,
[data-design="a"] .ig-btn--submit {
  background: var(--signal-copper);
  color: var(--accent-on);
  border-color: var(--signal-copper);
}

[data-design="a"] .ig-btn--next:hover,
[data-design="a"] .ig-btn--submit:hover {
  background: color-mix(in oklab, var(--signal-copper), black 8%);
}

/* Form fields */
[data-design="a"] .ig-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

[data-design="a"] .ig-field label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 11px;
  color: var(--slate-meta);
}

[data-design="a"] .ig-field input,
[data-design="a"] .ig-field textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 12px 14px;
  background: var(--slate-vault);
  border: 1px solid var(--border-hairline);
  border-radius: var(--r-edge);
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--roof-graphite);
  transition: border-color var(--d-fast) var(--ease-press),
              box-shadow var(--d-fast) var(--ease-press);
}

[data-design="a"] .ig-field textarea {
  resize: vertical;
  min-height: 96px;
}

[data-design="a"] .ig-field input:focus-visible,
[data-design="a"] .ig-field textarea:focus-visible {
  outline: none;
  border-color: var(--signal-copper);
  box-shadow: var(--focus);
}

[data-design="a"] .ig-field__help {
  font-size: 13px;
  color: var(--slate-muted);
  margin: 0;
  line-height: 1.4;
}

/* Final state */
[data-design="a"] .ig-step--final {
  gap: 12px;
}

[data-design="a"] .ig-eyebrow--gold {
  color: var(--grade-amber);
}

[data-design="a"] .ig-final__title {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 36px);
  letter-spacing: -.02em;
  line-height: 1.15;
  margin: 0;
  color: var(--roof-graphite);
}

[data-design="a"] .ig-final__body {
  font-size: 16px;
  line-height: 1.55;
  color: var(--graphite-mid);
  margin: 0;
  max-width: 56ch;
}

[data-design="a"] .ig-final__stamp {
  margin: var(--line) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate-meta);
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* =========================================================================
   ELEMENT 4: Ambient animated segment B — Trust bar (below funnel)
   ========================================================================= */

[data-design="a"] .ig-trust-bar {
  padding-block: var(--fold);
  overflow: hidden;
  background: color-mix(in oklab, var(--slate-vault), var(--chalk-ledger) 50%);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

[data-design="a"] .ig-trust__marquee {
  position: relative;
  display: flex;
  gap: 0;
}

[data-design="a"] .ig-trust__track {
  display: flex;
  gap: var(--fold);
  padding-inline: var(--fold);
  flex-shrink: 0;
  animation: ig-trust-scroll 40s linear infinite;
}

@keyframes ig-trust-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-100%); }
}

[data-design="a"] .ig-trust__item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--graphite-mid);
}

[data-design="a"] .ig-trust__icon {
  color: var(--signal-copper);
  font-size: 16px;
}

/* =========================================================================
   FOOTER
   ========================================================================= */

[data-design="a"] .ig-footer {
  position: relative;
  padding: var(--folio) clamp(16px, 4vw, 24px) var(--fold);
  border-top: 1px solid var(--border-hairline);
  background: var(--chalk-ledger);
}

[data-design="a"] .ig-footer__inner {
  max-width: 1200px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--fold);
}

[data-design="a"] .ig-footer__firm {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: -.015em;
  color: var(--roof-graphite);
  margin: 0 0 var(--stem);
}

[data-design="a"] .ig-footer__contact {
  font-size: 15px;
  line-height: 1.6;
  margin: 0 0 var(--stem);
}

[data-design="a"] .ig-footer__contact a {
  color: var(--signal-copper);
  text-decoration: none;
  transition: color var(--d-fast) var(--ease-press);
}

[data-design="a"] .ig-footer__contact a:hover {
  color: var(--roof-graphite);
}

[data-design="a"] .ig-footer__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate-meta);
  letter-spacing: .08em;
  line-height: 1.6;
  margin: 0;
}

[data-design="a"] .ig-footer__legal {
  font-size: 14px;
  line-height: 1.6;
  color: var(--graphite-mid);
  margin: 0 0 var(--stem);
  max-width: 48ch;
}

/* Registration stamp */
[data-design="a"] .ig-stamp {
  position: absolute;
  bottom: var(--line);
  right: var(--line);
  width: 16px;
  height: 16px;
  border: 1px solid var(--border-hairline);
  opacity: .4;
}

[data-design="a"] .ig-stamp::before,
[data-design="a"] .ig-stamp::after {
  content: "";
  position: absolute;
  background: var(--border-hairline);
}

[data-design="a"] .ig-stamp::before {
  left: 50%;
  top: 3px;
  bottom: 3px;
  width: 1px;
  transform: translateX(-50%);
}

[data-design="a"] .ig-stamp::after {
  top: 50%;
  left: 3px;
  right: 3px;
  height: 1px;
  transform: translateY(-50%);
}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */

@media (max-width: 768px) {
  [data-design="a"] .ig-header__progress {
    display: none;
  }

  [data-design="a"] .ig-funnel__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--stem);
  }

  [data-design="a"] .ig-pointer {
    width: 100%;
  }

  [data-design="a"] .ig-step {
    padding: var(--block);
  }

  [data-design="a"] .ig-chips {
    grid-template-columns: 1fr;
  }

  [data-design="a"] .ig-step__nav {
    flex-direction: column;
    align-items: stretch;
  }

  [data-design="a"] .ig-btn {
    justify-content: center;
  }

  [data-design="a"] .ig-footer__inner {
    grid-template-columns: 1fr;
    gap: var(--fold);
  }
}

@media (max-width: 560px) {
  [data-design="a"] .ig-hook__price {
    font-size: clamp(44px, 15vw, 64px);
  }
}

/* =========================================================================
   REDUCED MOTION
   ========================================================================= */

@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .ig-mesh__a,
  [data-design="a"] .ig-mesh__b,
  [data-design="a"] .ig-mesh__rule,
  [data-design="a"] .ig-logo__mark::after,
  [data-design="a"] .ig-substrate__drift,
  [data-design="a"] .ig-cta__mesh,
  [data-design="a"] .ig-pointer__chevron,
  [data-design="a"] .ig-trust__track {
    animation: none;
  }

  [data-design="a"] .ig-step {
    animation: none;
  }

  [data-design="a"] .ig-funnel__bar,
  [data-design="a"] .ig-progress-fill {
    transition: none;
  }

  [data-design="a"] .ig-chip {
    transition: none;
  }
}

/* =========================================================================
   MOBILE OVERFLOW PREVENTION (HARD REQUIREMENT)
   ========================================================================= */

[data-design="a"].dq-design,
[data-design="a"] .dq-design {
  max-width: 100%;
  overflow-x: clip;
}

[data-design="a"] * {
  min-width: 0;
}

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