/* Saltxo microsite · thin overlay on brand.css + pepsico.css + pg.css.
 * Emil design engineering polish: strong ease-out, transform+opacity only,
 * scale(0.97) on :active, subtle blur on hover-to-active transitions.
 * Saltxo wordmark is 4000x1473 PNG (aspect ~2.72:1).
 */

/* Custom ease variables (Emil's strong curves) */
body[data-brand="saltxo"] {
  --ease-strong-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out-strong: cubic-bezier(0.77, 0, 0.175, 1);
}

body[data-brand="saltxo"] .opening__pepsi {
  height: clamp(32px, 4.8vw, 64px);
  width: auto;
  aspect-ratio: 4000 / 1473;
  max-width: 100%;
  object-fit: contain;
}
@media (max-width: 768px) {
  body[data-brand="saltxo"] .opening__pepsi { height: clamp(24px, 5.6vw, 44px); }
}

/* Hero · brand logo aligned with the briefing line, headline/tagline below */
.opening__pin > .container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "context  brand"
    "headline headline"
    "tagline  tagline"
    "strip    strip";
  column-gap: 32px;
  row-gap: 22px;
  align-items: center;
}
.opening__pin .opening__context  { grid-area: context; margin-bottom: 0; align-self: center; }
.opening__pin .opening__headline { grid-area: headline; }
.opening__pin .opening__tagline  { grid-area: tagline; }
.opening__pin .chain-strip       { grid-area: strip; margin: 48px 0 16px; }
.opening__brand-anchor {
  grid-area: brand;
  align-self: center;
  justify-self: end;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
@media (max-width: 1023px) {
  .opening__pin > .container {
    grid-template-columns: 1fr auto;
  }
}

/* Top-nav addressee mark · hidden until past hero */
.micro-nav__saltxo {
  height: 18px;
  width: auto;
  aspect-ratio: 4000 / 1473;
  object-fit: contain;
  opacity: 0.92;
}
.micro-nav__meta {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.32s ease;
}
.micro-nav__meta.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* Superscript cite · microscopic */
sup:has(.sup-cite) { font-size: 100%; vertical-align: baseline; line-height: 0; }
.sup-cite {
  display: inline-block;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.4em;
  opacity: 0.45;
  text-decoration: none;
  padding: 0 0.5px;
  vertical-align: 0.5em;
  line-height: 0;
  transition: color 160ms var(--ease-strong-out), opacity 160ms var(--ease-strong-out);
}
.sup-cite:hover { color: var(--enmovil-green); opacity: 1; }

/* Chain strip */
.chain-strip { position: relative; margin: 44px 0 32px; padding: 28px 0 8px; }
.chain-strip svg { width: 100%; height: auto; display: block; max-width: 760px; overflow: visible; }
.chain-strip__line { fill: none; stroke: var(--enmovil-blue); stroke-width: 1.6; stroke-linecap: round; opacity: 0.35; stroke-dasharray: 720; stroke-dashoffset: 720; }
.chain-strip__flow { fill: none; stroke: var(--enmovil-green); stroke-width: 2.4; stroke-linecap: round; opacity: 0; }
.chain-strip__node-group { opacity: 0; transform-origin: center; transform-box: fill-box; }
.chain-strip__node-ring { fill: #FFFFFF; stroke: rgba(32, 116, 155, 0.22); stroke-width: 1.4; }
.chain-strip__node-ring--accent { stroke: var(--enmovil-green); stroke-width: 1.8; }
.chain-strip__node-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.05em; fill: var(--enmovil-ink); font-weight: 600; text-anchor: middle; }
.chain-strip__node-sub { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.04em; fill: var(--text-muted); font-weight: 500; text-anchor: middle; }
@media (prefers-reduced-motion: reduce) {
  .chain-strip__line { stroke-dashoffset: 0; opacity: 0.35; }
  .chain-strip__node-group { opacity: 1; }
  .chain-strip__flow { display: none; }
}

/* Footprint chips · Emil: tighter hover, will-change on transform */
.footprint-strip { margin-top: 40px; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.footprint-chip {
  padding: 22px 22px;
  background: #FFFFFF;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  transition: border-color 160ms var(--ease-strong-out), transform 220ms var(--ease-strong-out), box-shadow 220ms var(--ease-strong-out);
  will-change: transform;
}
.footprint-chip:hover { border-color: var(--enmovil-green); transform: translateY(-2px); box-shadow: 0 8px 20px -12px rgba(15, 23, 42, 0.12); }
.footprint-chip:active { transform: translateY(-1px) scale(0.99); transition-duration: 100ms; }
.footprint-chip__num { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.7rem, 2.6vw, 2.2rem); color: var(--enmovil-blue-deep); letter-spacing: -0.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.footprint-chip__unit { font-size: 0.5em; color: var(--text-muted); font-weight: 700; margin-left: 6px; letter-spacing: -0.01em; }
.footprint-chip__label { margin-top: 10px; font-size: 0.86rem; color: var(--text-muted); line-height: 1.5; }

/* Caddie strip */
.caddie-strip { display: flex; align-items: flex-start; gap: 20px; padding: 22px 26px; background: linear-gradient(135deg, rgba(89, 192, 152, 0.08), rgba(32, 116, 155, 0.06)); border: 1px solid rgba(89, 192, 152, 0.22); border-radius: 14px; flex-wrap: wrap; }
.caddie-strip__pill { flex-shrink: 0; padding: 6px 16px; background: var(--enmovil-ink); color: white; font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; border-radius: 999px; }
.caddie-strip__text { flex: 1; min-width: 240px; font-size: 0.95rem; color: var(--text); line-height: 1.6; }
.caddie-strip__text strong { color: var(--enmovil-ink); font-weight: 700; }

/* Problem cards · Emil: strong ease-out, scale(0.98) on active */
.problem-trio { margin-top: 44px; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.problem-card {
  padding: 30px 28px;
  background: #FFFFFF;
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  box-shadow: 0 2px 8px -4px rgba(15, 23, 42, 0.06);
  transition: border-color 160ms var(--ease-strong-out), transform 240ms var(--ease-strong-out), box-shadow 240ms var(--ease-strong-out);
  will-change: transform;
}
.problem-card:hover { border-color: var(--enmovil-green); transform: translateY(-3px); box-shadow: 0 14px 30px -12px rgba(15, 23, 42, 0.1); }
.problem-card:active { transform: translateY(-1px) scale(0.985); transition-duration: 120ms; }
.problem-card__num { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; color: var(--enmovil-blue); font-weight: 700; text-transform: uppercase; }
.problem-card__title { margin-top: 12px; font-family: var(--font-display); font-weight: 700; font-size: 1.18rem; color: var(--enmovil-ink); letter-spacing: -0.015em; line-height: 1.3; }
.problem-card__body { margin-top: 14px; font-size: 0.92rem; color: var(--text-muted); line-height: 1.6; }
.problem-card__anchor { margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--border-soft); font-size: 0.88rem; color: var(--text); line-height: 1.55; }
.problem-card__anchor strong { color: var(--enmovil-green); font-weight: 700; }

/* Problem card · flow strip */
.problem-card__flow { margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--border-soft); display: flex; flex-direction: column; gap: 8px; }
.problem-card__step { display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: start; }
.problem-card__step-icon { width: 28px; height: 28px; border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.problem-card__step-icon svg { width: 16px; height: 16px; }
.problem-card__step-body { min-width: 0; }
.problem-card__step-label { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 700; line-height: 1; margin-bottom: 4px; }
.problem-card__step-text { font-size: 0.88rem; color: var(--text); line-height: 1.5; }
.problem-card__step-text strong { font-weight: 700; color: var(--enmovil-ink); }
.problem-card__arrow { margin: 2px 0 2px 13px; width: 2px; height: 10px; background: var(--border-soft); border-radius: 1px; }
.problem-card__step--today .problem-card__step-icon { background: #FFF4E0; color: #B86E00; }
.problem-card__step--today .problem-card__step-label { color: #B86E00; }
.problem-card__step--cost .problem-card__step-icon { background: #FDE6E8; color: #B91C26; }
.problem-card__step--cost .problem-card__step-label { color: #B91C26; }
.problem-card__step--fix .problem-card__step-icon { background: var(--enmovil-green-soft); color: var(--enmovil-green); }
.problem-card__step--fix .problem-card__step-label { color: var(--enmovil-green); }

/* Subgrid alignment for cards in the same row */
@supports (grid-template-rows: subgrid) {
  .problem-trio { grid-auto-rows: auto; row-gap: 20px; }
  .problem-card { display: grid; grid-template-rows: subgrid; grid-row: span 5; row-gap: 0; }
  .problem-card__num   { grid-row: 1; align-self: start; }
  .problem-card__title { grid-row: 2; align-self: start; }
  .problem-card__flow { grid-row: 3 / span 3; display: grid; grid-template-rows: subgrid; row-gap: 28px; }
  .problem-card__arrow { display: none; }
  .problem-card__step--today { grid-row: 1; align-self: start; }
  .problem-card__step--cost  { grid-row: 2; align-self: start; }
  .problem-card__step--fix   { grid-row: 3; align-self: start; }
}

/* Impact tiles */
.impact-grid { margin-top: 48px; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.impact-tile {
  padding: 26px 24px;
  background: #FFFFFF;
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  box-shadow: 0 2px 6px -2px rgba(15, 23, 42, 0.06);
  position: relative;
  overflow: hidden;
  transition: transform 240ms var(--ease-strong-out), box-shadow 240ms var(--ease-strong-out);
  will-change: transform;
}
.impact-tile:hover { transform: translateY(-3px); box-shadow: 0 14px 30px -12px rgba(15, 23, 42, 0.12); }
.impact-tile:active { transform: translateY(-1px) scale(0.99); transition-duration: 120ms; }
.impact-tile::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--enmovil-green); }
.impact-tile--accent::before { background: var(--enmovil-blue); }
.impact-tile__tag { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; color: var(--text-muted); text-transform: uppercase; font-weight: 600; }
.impact-tile__big { margin-top: 10px; font-family: var(--font-display); font-weight: 800; font-size: clamp(1.85rem, 3.2vw, 2.5rem); color: var(--enmovil-green); letter-spacing: -0.035em; line-height: 1; font-variant-numeric: tabular-nums; }
.impact-tile--accent .impact-tile__big { color: var(--enmovil-blue-deep); }
.impact-tile__unit { font-size: 0.42em; color: var(--text-muted); font-weight: 700; margin-left: 4px; }
.impact-tile__label { margin-top: 12px; font-size: 0.88rem; color: var(--text-muted); line-height: 1.5; }
.impact-tile__source { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--border-soft); font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-soft); letter-spacing: 0.02em; }
.impact-tile__source a { color: var(--enmovil-blue); text-decoration: underline; text-underline-offset: 2px; }

/* Story cards · Emil: hover adds subtle border color + shadow */
.story-stack { margin-top: 44px; display: grid; gap: 18px; }
.story-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  padding: 30px 32px;
  background: #FFFFFF;
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  box-shadow: 0 2px 8px -4px rgba(15, 23, 42, 0.06);
  transition: border-color 160ms var(--ease-strong-out), box-shadow 240ms var(--ease-strong-out);
}
.story-card:hover { border-color: var(--enmovil-green); box-shadow: 0 14px 30px -12px rgba(15, 23, 42, 0.1); }
@media (max-width: 900px) { .story-card { grid-template-columns: 1fr; gap: 20px; padding: 26px; } }
.story-card__left { display: flex; flex-direction: column; gap: 12px; }
.story-card__badge { display: inline-flex; padding: 6px 12px; background: var(--enmovil-blue); color: white; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 700; border-radius: 999px; align-self: flex-start; }
.story-card__who { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: var(--enmovil-ink); letter-spacing: -0.015em; line-height: 1.3; }
.story-card__tag { font-family: var(--font-mono); font-size: 0.76rem; color: var(--text-muted); line-height: 1.55; }
.story-card__right { display: flex; flex-direction: column; gap: 14px; }
.story-card__line { display: grid; grid-template-columns: 90px 1fr; gap: 18px; align-items: baseline; }
@media (max-width: 540px) { .story-card__line { grid-template-columns: 1fr; gap: 4px; } }
.story-card__line-label { font-family: var(--font-mono); font-size: 0.68rem; color: var(--enmovil-green); letter-spacing: 0.12em; font-weight: 700; text-transform: uppercase; }
.story-card__line-text { font-size: 0.92rem; color: var(--text); line-height: 1.55; }
.story-card__line-text strong { color: var(--enmovil-ink); font-weight: 700; }
.story-card__transfer { margin-top: 6px; padding: 14px 18px; background: rgba(89, 192, 152, 0.08); border-left: 3px solid var(--enmovil-green); border-radius: 0 10px 10px 0; font-family: var(--font-display); font-style: italic; font-size: 0.92rem; color: var(--enmovil-ink); line-height: 1.5; }

/* MCQ options · Emil: subtle press feedback */
body[data-brand="saltxo"] .mcq__option { transition: background-color 140ms var(--ease-strong-out), transform 140ms var(--ease-strong-out); }
body[data-brand="saltxo"] .mcq__option:active { transform: scale(0.985); transition-duration: 80ms; }

/* Primary button · scale(0.97) on :active per Emil */
body[data-brand="saltxo"] .btn--primary { transition: transform 160ms var(--ease-strong-out), background-color 160ms var(--ease-strong-out), box-shadow 160ms var(--ease-strong-out); }
body[data-brand="saltxo"] .btn--primary:hover { box-shadow: 0 10px 24px -10px rgba(89, 192, 152, 0.55); }
body[data-brand="saltxo"] .btn--primary:active { transform: scale(0.97); transition-duration: 100ms; }