/* FASE NUEVE — landing y términos de Saldo F9 (v01). Oscuro por defecto como el sitio; ajustes para tema claro.
   El visual es un panel propio de FASE NUEVE: sin chip, número ni marca de tarjeta bancaria. */
.f9s-main { --f9s-line: rgba(255, 255, 255, .12); --f9s-soft: rgba(255, 255, 255, .03); --f9s-accent: rgb(var(--f9-accent-rgb, 255, 90, 31)); overflow: hidden; }
.f9s-main .eyebrow { color: var(--f9s-accent); }
.f9s-hero { position: relative; padding: clamp(56px, 9vw, 120px) 0 clamp(48px, 7vw, 96px); }
.f9s-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: min(760px, 90vw);
  aspect-ratio: 1;
  background: radial-gradient(closest-side, rgba(var(--f9-accent-rgb, 255, 90, 31), .18), rgba(var(--f9-accent-rgb, 255, 90, 31), 0));
  pointer-events: none;
}
.f9s-hero__grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(32px, 6vw, 80px); align-items: center; }
.f9s-title { margin: 0; font-size: clamp(2.8rem, 8vw, 6rem); font-weight: 900; line-height: .92; letter-spacing: -.02em; }
.f9s-title span { display: block; margin-top: .55em; color: var(--f9s-accent); font-size: .36em; line-height: 1.1; letter-spacing: .06em; }
.f9s-title--terms { font-size: clamp(2rem, 5vw, 3.6rem); line-height: 1; }
.f9s-lead { max-width: 36em; margin: 22px 0 0; font-size: clamp(1rem, 1.6vw, 1.2rem); line-height: 1.6; opacity: .84; }
.f9s-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.f9s-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 999px;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .12em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.f9s-btn:hover { border-color: #fff; }
.f9s-btn:focus-visible { outline: 2px solid var(--f9s-accent); outline-offset: 3px; }
.f9s-btn[disabled] { cursor: progress; opacity: .6; }
.f9s-btn--primary { border-color: #fff; background: #fff; color: #0b0e13; }
.f9s-btn--primary:hover { background: #e7eaf1; }
.f9s-fine { max-width: 40em; margin: 18px 0 0; font-size: .82rem; line-height: 1.55; opacity: .7; }
.f9s-notice { margin: 14px 0 0; padding: 10px 14px; border: 1px solid rgba(255, 196, 0, .4); border-radius: 12px; background: rgba(255, 196, 0, .1); font-size: .86rem; }

.f9s-hero__visual { display: grid; place-items: center; perspective: 1200px; }
.f9s-card {
  position: relative;
  overflow: hidden;
  display: grid;
  align-content: space-between;
  gap: 26px;
  width: min(420px, 100%);
  aspect-ratio: 5 / 4;
  padding: clamp(22px, 3.4vw, 34px);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 30px;
  color: #f4f6fb;
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(var(--f9-accent-rgb, 255, 90, 31), .38) 0%, rgba(var(--f9-accent-rgb, 255, 90, 31), 0) 55%),
    radial-gradient(90% 120% at 0% 100%, rgba(92, 124, 255, .26) 0%, rgba(92, 124, 255, 0) 60%),
    linear-gradient(145deg, #0b0d12 0%, #171c29 60%, #0e1220 100%);
  box-shadow: 0 40px 90px -40px rgba(0, 0, 0, .8), inset 0 1px 0 rgba(255, 255, 255, .08);
  transform: rotateX(8deg) rotateY(-12deg);
  animation: f9s-float 7s ease-in-out infinite;
}
@keyframes f9s-float { 0%, 100% { transform: rotateX(8deg) rotateY(-12deg) translateY(0); } 50% { transform: rotateX(6deg) rotateY(-8deg) translateY(-10px); } }
.f9s-card__sheen { position: absolute; inset: -40% auto -40% -30%; width: 40%; background: linear-gradient(100deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, .1), rgba(255, 255, 255, 0)); transform: translateX(-120%) rotate(12deg); animation: f9s-sheen 8s ease-in-out 1s infinite; }
@keyframes f9s-sheen { 0%, 65% { transform: translateX(-120%) rotate(12deg); } 100% { transform: translateX(420%) rotate(12deg); } }
.f9s-card__top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.f9s-card__top span, .f9s-card__foot span { font-size: .64rem; font-weight: 800; letter-spacing: .26em; opacity: .7; }
.f9s-card__top strong { font-size: clamp(1rem, 2vw, 1.25rem); letter-spacing: .14em; }
.f9s-card__rows { display: grid; gap: 14px; }
.f9s-card__rows div { display: grid; gap: 6px; }
.f9s-card__rows small { font-size: .6rem; font-weight: 800; letter-spacing: .18em; opacity: .7; }
.f9s-card__rows i { display: block; height: 12px; border-radius: 999px; background: linear-gradient(90deg, rgba(255, 255, 255, .22), rgba(255, 255, 255, .08) 60%, rgba(255, 255, 255, .22)); background-size: 200% 100%; animation: f9s-bar 3.2s linear infinite; }
.f9s-card__rows div:first-child i { width: 72%; height: 18px; }
.f9s-card__rows div:nth-child(2) i { width: 46%; }
.f9s-card__rows div:nth-child(3) i { width: 30%; }
@keyframes f9s-bar { from { background-position: 200% 0; } to { background-position: 0 0; } }
.f9s-card__foot { display: flex; justify-content: space-between; align-items: center; }
.f9s-card__foot b { font-size: 1.4rem; font-weight: 900; letter-spacing: .04em; color: var(--f9s-accent); }

.f9s-section { padding: clamp(56px, 8vw, 110px) 0; }
.f9s-section--band { border-top: 1px solid var(--f9s-line); border-bottom: 1px solid var(--f9s-line); background: var(--f9s-soft); }
.f9s-h2 { max-width: 20em; margin: 8px 0 34px; font-size: clamp(1.6rem, 3.6vw, 2.6rem); font-weight: 900; line-height: 1.05; letter-spacing: -.01em; }
.f9s-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.f9s-step { display: grid; align-content: start; gap: 10px; padding: clamp(22px, 3vw, 30px); border: 1px solid var(--f9s-line); border-radius: 22px; background: var(--f9s-soft); }
.f9s-step h3 { margin: 0; font-size: .95rem; letter-spacing: .12em; }
.f9s-step p { margin: 0; line-height: 1.6; opacity: .82; }
.f9s-step__n { color: var(--f9s-accent); font-size: .8rem; font-weight: 900; letter-spacing: .14em; }
.f9s-step__note { font-size: .84rem; opacity: .7 !important; }

.f9s-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.f9s-split .f9s-h2 { margin-bottom: 14px; }
.f9s-split p { margin: 0 0 12px; line-height: 1.6; }
.f9s-receipt { display: grid; gap: 4px; margin: 0; padding: clamp(20px, 3vw, 28px); border: 1px solid var(--f9s-line); border-radius: 22px; background: rgba(0, 0, 0, .25); }
.f9s-receipt div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px dashed var(--f9s-line); }
.f9s-receipt div:last-child { border-bottom: 0; }
.f9s-receipt dt { opacity: .8; }
.f9s-receipt dd { margin: 0; font-weight: 700; font-variant-numeric: tabular-nums; }
.f9s-receipt .is-total dt, .f9s-receipt .is-total dd { color: var(--f9s-accent); font-weight: 900; opacity: 1; }

.f9s-referral__inner { position: relative; max-width: 860px; padding: clamp(28px, 5vw, 56px); border: 1px solid var(--f9s-line); border-radius: 30px; background: radial-gradient(120% 120% at 100% 0%, rgba(var(--f9-accent-rgb, 255, 90, 31), .16), rgba(var(--f9-accent-rgb, 255, 90, 31), 0) 60%), var(--f9s-soft); }
.f9s-referral .f9s-h2 { margin-bottom: 0; }
.f9s-rule { margin: 16px 0 22px; font-size: .92rem; line-height: 1.55; opacity: .8; }
.f9s-share-status { min-height: 1.4em; margin: 12px 0 0; font-size: .86rem; overflow-wrap: anywhere; }
.f9s-list { display: grid; gap: 10px; margin: 18px 0 0; padding: 0; list-style: none; }
.f9s-list li { position: relative; padding-left: 22px; line-height: 1.55; opacity: .85; }
.f9s-list li::before { content: ""; position: absolute; left: 0; top: .6em; width: 8px; height: 8px; border-radius: 50%; background: var(--f9s-accent); }

.f9s-control { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
.f9s-legal { padding: clamp(22px, 3vw, 30px); border: 1px solid var(--f9s-line); border-radius: 22px; background: var(--f9s-soft); }
.f9s-legal h3 { margin: 0 0 10px; font-size: .8rem; letter-spacing: .16em; }
.f9s-legal p { margin: 0 0 12px; line-height: 1.6; opacity: .86; }
.f9s-legal a { color: inherit; font-weight: 800; }

/* Términos */
.f9s-terms__hero { padding: clamp(48px, 7vw, 96px) 0 clamp(28px, 4vw, 48px); border-bottom: 1px solid var(--f9s-line); }
.f9s-review { display: inline-block; margin: 20px 0 0; padding: 10px 14px; border: 1px solid rgba(255, 196, 0, .45); border-radius: 12px; background: rgba(255, 196, 0, .1); font-size: .86rem; }
.f9s-terms__body { display: grid; grid-template-columns: minmax(200px, 260px) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); padding-top: clamp(32px, 5vw, 64px); padding-bottom: clamp(56px, 8vw, 110px); }
.f9s-toc { position: sticky; top: 110px; align-self: start; }
.f9s-toc ol { display: grid; gap: 8px; margin: 0; padding-left: 20px; font-size: .86rem; }
.f9s-toc a { color: inherit; opacity: .75; text-decoration: none; }
.f9s-toc a:hover, .f9s-toc a:focus-visible { opacity: 1; text-decoration: underline; }
.f9s-legal-doc { max-width: 780px; }
.f9s-legal-section { scroll-margin-top: 110px; padding: 0 0 26px; }
.f9s-legal-section h2 { margin: 0 0 12px; font-size: clamp(1.1rem, 2vw, 1.35rem); letter-spacing: .02em; }
.f9s-legal-section p { margin: 0 0 12px; line-height: 1.75; opacity: .86; }
.f9s-legal-foot { margin: 16px 0 0; padding-top: 18px; border-top: 1px solid var(--f9s-line); font-size: .88rem; }
.f9s-legal-foot a { color: inherit; font-weight: 700; }

/* Aparición suave (solo cuando el script la activa y no se pide movimiento reducido) */
.f9s-anim [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s cubic-bezier(.2, .7, .2, 1); }
.f9s-anim [data-reveal].is-visible { opacity: 1; transform: none; }

/* Tema claro */
[data-resolved-scheme="light"] .f9s-main { --f9s-line: rgba(17, 23, 34, .12); --f9s-soft: rgba(17, 23, 34, .03); }
[data-resolved-scheme="light"] .f9s-btn { border-color: rgba(17, 23, 34, .25); }
[data-resolved-scheme="light"] .f9s-btn:hover { border-color: #0b0e13; }
[data-resolved-scheme="light"] .f9s-btn--primary { border-color: #0b0e13; background: #0b0e13; color: #fff; }
[data-resolved-scheme="light"] .f9s-btn--primary:hover { background: #222a38; }
[data-resolved-scheme="light"] .f9s-receipt { background: #fff; }
[data-resolved-scheme="light"] .f9s-notice, [data-resolved-scheme="light"] .f9s-review { border-color: #e7c35a; background: #fff8e1; color: #5c4400; }

@media (max-width: 960px) {
  .f9s-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .f9s-hero__grid, .f9s-split, .f9s-control, .f9s-terms__body { grid-template-columns: minmax(0, 1fr); }
  .f9s-hero__visual { order: -1; }
  .f9s-card { width: min(360px, 92%); }
  .f9s-toc { position: static; padding: 16px 18px; border: 1px solid var(--f9s-line); border-radius: 16px; }
}
@media (max-width: 560px) {
  .f9s-grid { grid-template-columns: minmax(0, 1fr); }
  .f9s-cta .f9s-btn { flex: 1 1 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .f9s-card { animation: none; transform: none; }
  .f9s-card__sheen { display: none; }
  .f9s-card__rows i { animation: none; }
  .f9s-btn { transition: none; }
  .f9s-anim [data-reveal] { opacity: 1; transform: none; transition: none; }
}