:root {
  --azul: #2e3092;
  --celeste: #27aae1;
  --ink: #181a45;
  --ink-soft: #444768;
  --paper: #ffffff;
  --mist: #f3f4fb;
  --line: #dcdef0;

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);

  --gutter: 20px;
  --max: 1180px;
  --radius: 18px;
  --font: "Montserrat", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 72px;
}

body {
  margin: 0;
  font-family: var(--font);
  font-weight: 300;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-tap-highlight-color: transparent;
}

::selection { background: var(--azul); color: #fff; }

img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
h1, h2, p, ul { margin: 0; }

a { color: var(--azul); text-underline-offset: 0.2em; text-decoration-thickness: 1px; }

:focus-visible {
  outline: 3px solid var(--celeste);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 52px;
  padding: 0 1.6rem;
  border-radius: 999px;
  font: 500 1rem/1 var(--font);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  transition: transform 160ms var(--ease-out), background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}
.btn:active { transform: scale(0.97); }
.btn--primary { background: var(--azul); color: #fff; }
.btn--light { background: #fff; color: var(--azul); }
.btn--ghost { border-color: var(--azul); color: var(--azul); min-height: 44px; padding: 0 1.2rem; font-size: 0.9375rem; }

@media (hover: hover) and (pointer: fine) {
  .btn--primary:hover { background: #24267a; }
  .btn--light:hover { background: var(--mist); }
  .btn--ghost:hover { background: var(--azul); color: #fff; }
}

/* ---------- Header ---------- */
.top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px var(--gutter);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
}
.top__logo img { width: 128px; height: auto; }

/* ---------- Hero ---------- */
.hero {
  display: grid;
  gap: 28px;
  padding: 28px var(--gutter) 56px;
  max-width: var(--max);
  margin: 0 auto;
}
.hero__title {
  font-weight: 900;
  font-size: clamp(2.35rem, 9.4vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--azul);
  text-wrap: balance;
}
.line { display: block; overflow: hidden; padding-bottom: 0.08em; }
.line > span { display: block; }

.hero__address {
  margin-top: 18px;
  font-weight: 500;
  font-size: 1.125rem;
  color: var(--ink-soft);
}
.hero__price {
  margin: 14px 0 26px;
  display: grid;
  gap: 2px;
  color: var(--ink-soft);
}
.hero__price-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 1ch; }
.hero__price strong {
  font-weight: 800;
  font-size: clamp(1.9rem, 7vw, 2.6rem);
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.hero__media {
  order: -1;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--mist);
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 25%;
}

/* ---------- Datos ---------- */
.facts {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter) 72px;
}
.facts__lead {
  font-weight: 800;
  font-size: clamp(1.6rem, 5.4vw, 2.7rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 22ch;
  text-wrap: balance;
}
.facts__note {
  margin-top: 16px;
  color: var(--ink-soft);
  max-width: 52ch;
}

/* ---------- Patio ---------- */
.yard { background: var(--mist); padding: 72px 0 72px; }
.yard__head, .inside__head, .yard__pair, .reqs__inner, .contact__inner, .foot__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
h2 {
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--azul);
  text-wrap: balance;
}
.yard__head p, .inside__head p { margin-top: 14px; max-width: 48ch; color: var(--ink-soft); }

.yard__main {
  margin: 32px 0 0;
  overflow: hidden;
}
.yard__main img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.yard__pair {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}
.yard__pair img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 12px;
}

/* ---------- Interior ---------- */
.inside { padding: 80px 0 72px; overflow: hidden; }
.rail {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  padding: 0 var(--gutter);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--gutter);
  scrollbar-width: none;
  overscroll-behavior-x: contain;
  touch-action: pan-x pan-y;
  -webkit-overflow-scrolling: touch;
}
.rail::-webkit-scrollbar { display: none; }
.rail figure {
  flex: 0 0 min(72vw, 320px);
  scroll-snap-align: start;
  border-radius: 14px;
  overflow: hidden;
  background: var(--mist);
}
.rail figure.rail__wide { flex-basis: min(88vw, 560px); }
.rail img {
  width: 100%;
  height: min(64svh, 520px);
  object-fit: cover;
}
.rail-ui {
  max-width: var(--max);
  margin: 22px auto 0;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: 20px;
}
.rail-ui__bar {
  flex: 1;
  height: 3px;
  background: var(--line);
  border-radius: 3px;
  overflow: hidden;
}
.rail-ui__bar span {
  display: block;
  height: 100%;
  background: var(--azul);
  transform-origin: left center;
  transform: scaleX(0.1);
}
.rail-ui__btns { display: none; gap: 8px; }
.round {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 2px solid var(--azul);
  background: transparent;
  color: var(--azul);
  cursor: pointer;
  transition: transform 160ms var(--ease-out), background-color 160ms ease, color 160ms ease, opacity 160ms ease;
}
.round:active { transform: scale(0.94); }
.round:disabled { opacity: 0.35; cursor: default; }
@media (hover: hover) and (pointer: fine) {
  .rail-ui__btns { display: flex; }
  .round:not(:disabled):hover { background: var(--azul); color: #fff; }
}

/* ---------- Requisitos ---------- */
.reqs { background: var(--mist); padding: 72px 0; }
.reqs__list { list-style: none; padding: 0; margin-top: 28px; max-width: 62ch; }
.reqs__list li {
  padding: 18px 0;
  border-top: 1px solid var(--line);
  font-size: 1.0625rem;
}
.reqs__list li:last-child { border-bottom: 1px solid var(--line); }

/* ---------- Contacto ---------- */
.contact { background: var(--azul); color: #fff; padding: 88px 0; }
.contact h2 { color: #fff; }
.contact p { margin-top: 14px; max-width: 44ch; color: #e4e6ff; }
.contact .btn { margin-top: 28px; }
.contact__alt a { color: #fff; }

/* ---------- Pie ---------- */
.foot { background: #1d1f6b; color: #dfe1fb; padding: 48px 0 calc(40px + 76px + env(safe-area-inset-bottom)); font-size: 0.9375rem; }
.foot__logo { width: 150px; height: auto; margin-bottom: 20px; }
.foot address { font-style: normal; line-height: 1.8; }
.foot a { color: #fff; }
.foot__legal { margin-top: 18px; font-size: 0.8125rem; line-height: 1.6; color: #c4c7ef; max-width: 80ch; }

/* ---------- Botón fijo (celular) ---------- */
.dock {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px var(--gutter) calc(12px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, 0.96);
  border-top: 1px solid var(--line);
  transform: translateY(100%);
  transition: transform 260ms var(--ease-out);
}
.dock.is-on { transform: translateY(0); }
.dock__price { display: grid; line-height: 1.2; font-size: 0.8125rem; color: var(--ink-soft); }
.dock__price strong { font-weight: 800; font-size: 1.125rem; color: var(--ink); font-variant-numeric: tabular-nums; }
.dock .btn { min-height: 46px; padding: 0 1.4rem; }

/* ---------- Movimiento ---------- */
@media (prefers-reduced-motion: no-preference) {
  /* Momento autoral: el patio se abre al cargar y el título sube línea por línea. */
  .hero__media {
    animation: media-open 1100ms var(--ease-out) both;
  }
  .hero__media img {
    animation: media-settle 1500ms var(--ease-out) both;
  }
  .line > span {
    animation: line-up 800ms var(--ease-out) both;
  }
  .line:nth-child(1) > span { animation-delay: 140ms; }
  .line:nth-child(2) > span { animation-delay: 220ms; }
  .line:nth-child(3) > span { animation-delay: 300ms; }
  .hero__address, .hero__price, #hero-cta {
    animation: fade-up 700ms var(--ease-out) both;
  }
  .hero__address { animation-delay: 420ms; }
  .hero__price { animation-delay: 500ms; }
  #hero-cta { animation-delay: 580ms; }

  /* Aparición al scroll: el contenido ya es visible sin JS. */
  .js .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
    transition-delay: var(--d, 0ms);
  }
  .js .reveal.is-in { opacity: 1; transform: none; }

  /* Scroll: parallax suave en el hero y la foto del patio se abre al entrar. */
  @supports (animation-timeline: view()) {
    .hero__media img {
      animation: media-settle 1500ms var(--ease-out) both, hero-drift linear both;
      animation-timeline: auto, view();
      animation-range: normal, exit 0% exit 100%;
    }
    .yard__main {
      animation: yard-open linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 70%;
    }
    .yard__main img {
      animation: yard-zoom linear both;
      animation-timeline: view();
      animation-range: entry 0% cover 60%;
    }
  }
}

@keyframes media-open {
  from { clip-path: inset(7% 7% 7% 7% round 28px); }
  to   { clip-path: inset(0 0 0 0 round var(--radius)); }
}
@keyframes media-settle {
  from { transform: scale(1.12); }
  to   { transform: scale(1); }
}
@keyframes line-up {
  from { transform: translateY(105%); }
  to   { transform: translateY(0); }
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}
/* Usa las propiedades individuales translate/scale para componer con el transform de media-settle. */
@keyframes hero-drift {
  from { translate: 0 -3%; scale: 1.08; }
  to   { translate: 0 4%; scale: 1.08; }
}
@keyframes yard-open {
  from { clip-path: inset(0 14% 0 14% round 24px); }
  to   { clip-path: inset(0 0 0 0 round 0); }
}
@keyframes yard-zoom {
  from { transform: scale(1.14); }
  to   { transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 0; transition: opacity 300ms ease; }
  .js .reveal.is-in { opacity: 1; }
  .dock { transition: opacity 200ms ease; transform: none; opacity: 0; pointer-events: none; }
  .dock.is-on { opacity: 1; pointer-events: auto; }
}

/* ---------- Escritorio ---------- */
@media (min-width: 900px) {
  :root { --gutter: 40px; }
  body { font-size: 1.125rem; }
  .foot { padding-bottom: 40px; }
  .top { padding: 14px var(--gutter); }
  .top__logo img { width: 156px; }
  .hero {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 64px;
    padding-top: 48px;
    padding-bottom: 96px;
  }
  .hero__title { font-size: clamp(2.6rem, 4.3vw, 3.9rem); }
  .hero__media { order: 0; aspect-ratio: 4 / 5; max-height: 78svh; justify-self: end; width: 100%; }
  .facts { padding-bottom: 112px; }
  .yard, .inside { padding-top: 112px; }
  .yard { padding-bottom: 112px; }
  .yard__main img { aspect-ratio: 21 / 9; }
  .yard__pair { grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
  .inside { padding-bottom: 112px; }
  .rail figure { flex-basis: 340px; }
  .rail figure.rail__wide { flex-basis: 620px; }
  .rail img { height: 520px; }
  .reqs, .contact { padding: 112px 0; }
  .dock { display: none; }
}