/* ===========================================================
   AMARA TULUM
   Dirección: editorial de arquitectura. La fotografía manda;
   la tipografía es delgada, en versales muy espaciadas, y el
   color se queda en el casi-negro de la marca con el azul
   cielo como único acento. El movimiento es lento: barridos
   de imagen y desplazamientos cortos, nada que rebote.
   =========================================================== */

:root{
  color-scheme: dark;

  /* Color — tomado del sitio actual */
  --night:   #27241E;   /* base cálida: el matiz dominante de la portada */
  --ink:     #312D26;   /* banda alterna */
  --ink-2:   #3B372F;   /* superficie, un paso más clara */
  --ivory:   #F2EDE4;   /* hueso, como la piedra del edificio */
  --mist:    #A69C8D;   /* texto secundario, gris cálido */
  --line:    rgba(242,237,228,.15);
  --sky:     #D8C3A3;   /* acento arena, tomado del render */
  --sky-dim: rgba(216,195,163,.14);

  /* Tipografía — las mismas familias del sitio actual */
  --display: "Outfit", "Helvetica Neue", Arial, sans-serif;
  --body:    "Inter", system-ui, sans-serif;

  /* Métrica */
  --wrap: 1280px;
  --gut-l: max(22px, env(safe-area-inset-left, 0px));
  --gut-r: max(22px, env(safe-area-inset-right, 0px));
  --nav-h: 76px;
}

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

html{ scroll-behavior:smooth; }
section[id]{ scroll-margin-top: calc(var(--nav-h) + env(safe-area-inset-top, 0px)); }

body{
  margin:0;
  background: var(--night);
  color: var(--ivory);
  font-family: var(--body);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:""; position:fixed; inset:0 0 auto;
  height: env(safe-area-inset-top, 0px); z-index:90; background: var(--night);
}

img{ max-width:100%; display:block; }
/* sin esto, cualquier display: propio gana al atributo hidden */
[hidden]{ display:none !important; }
p{ margin:0; }
a{ color:inherit; }
::selection{ background: var(--sky); color: var(--night); }
:where(a,button,summary,input,textarea,select):focus-visible{
  outline:2px solid var(--sky); outline-offset:3px; border-radius:2px;
}

/* ---------- tipografía ---------- */
h1,h2,h3,h4{
  font-family: var(--display); font-weight:200; margin:0;
  line-height:1.08; letter-spacing:.14em; text-transform:uppercase;
  text-wrap:balance;
}
h1{ font-size: clamp(2.3rem, 7vw, 5.2rem); letter-spacing:.17em; }
h2{ font-size: clamp(1.6rem, 3.6vw, 2.7rem); }
h3{ font-size: clamp(1.1rem, 2vw, 1.5rem); letter-spacing:.16em; }

.eyebrow{
  font-family: var(--body); font-size:.68rem; font-weight:500;
  letter-spacing:.3em; text-transform:uppercase; color: var(--sky); margin:0;
}
.lead{ font-size: clamp(1rem, 1.35vw, 1.1rem); color: var(--mist); max-width:56ch; }
.en{ font-size:.9rem; color:#6E767E; font-style:italic; max-width:56ch; }

/* ---------- utilidades ---------- */
.wrap{
  max-width: var(--wrap); margin-inline:auto;
  padding-left: var(--gut-l); padding-right: var(--gut-r);
  position:relative; z-index:2;
}
.band{ padding-block: clamp(72px, 10vw, 150px); position:relative; }
.band--ink{ background: var(--ink); }
.band--deep{ background: var(--ink-2); }
.rule{ height:1px; background: var(--line); border:0; margin:0; }

/* ---------- botones ---------- */
.btn{
  position:relative; display:inline-flex; align-items:center; gap:.75em;
  font-family: var(--body); font-size:.72rem; font-weight:500;
  letter-spacing:.24em; text-transform:uppercase; text-decoration:none;
  padding:1.05em 2em; border:1px solid var(--line); cursor:pointer;
  background:transparent; color: var(--ivory); overflow:hidden;
  transition: color .4s ease, border-color .4s ease;
}
.btn::before{
  content:""; position:absolute; inset:0; background: var(--ivory);
  transform: scaleX(0); transform-origin:right;
  transition: transform .45s cubic-bezier(.65,0,.35,1);
}
.btn:hover{ color: var(--night); border-color: var(--ivory); }
.btn:hover::before{ transform: scaleX(1); transform-origin:left; }
.btn > *{ position:relative; z-index:1; }
.btn--sky{ border-color: var(--sky); color: var(--sky); }
.btn--sky::before{ background: var(--sky); }
.btn--sky:hover{ color: var(--night); border-color: var(--sky); }
.btn--solid{ background: var(--ivory); color: var(--night); border-color: var(--ivory); }
.btn--solid::before{ background: var(--sky); }
.btn--solid:hover{ color: var(--night); border-color: var(--sky); }

/* ---------- navegación ---------- */
.nav{
  position:fixed; top: env(safe-area-inset-top, 0px); left:0; right:0; z-index:80;
  background: transparent; transition: background-color .45s ease, border-color .45s ease, backdrop-filter .45s ease;
  border-bottom:1px solid transparent;
}
.nav.solid{
  background: rgba(18,20,23,.88); backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav__in{
  max-width: var(--wrap); margin-inline:auto;
  padding-left: var(--gut-l); padding-right: var(--gut-r);
  min-height: var(--nav-h); display:flex; align-items:center; gap:1.6rem;
}
.nav__logo{ display:block; margin-right:auto; }
.nav__logo img{ height:34px; width:auto; }
@media (max-width:480px){ .nav__logo img{ height:28px; } }
.nav__links{ display:flex; gap:2rem; }
.nav__links a{
  position:relative; font-size:.7rem; letter-spacing:.22em; text-transform:uppercase;
  text-decoration:none; color: var(--ivory); padding-block:.4rem; opacity:.75;
  transition: opacity .3s ease;
}
.nav__links a::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:1px;
  background: var(--sky); transform:scaleX(0); transform-origin:right;
  transition: transform .4s cubic-bezier(.65,0,.35,1);
}
.nav__links a:hover, .nav__links a[aria-current]{ opacity:1; }
.nav__links a:hover::after, .nav__links a[aria-current]::after{ transform:scaleX(1); transform-origin:left; }
/* La navegación se aprieta en pantallas chicas, pero nunca desaparece:
   sin ella no habría forma de llegar a Galería ni a Contacto desde el móvil. */
@media (max-width:860px){
  .nav__in{ gap:1rem; }
  .nav__links{ gap:1.15rem; }
  .nav__links a{ font-size:.64rem; letter-spacing:.13em; }
}
.nav .btn{ padding:.85em 1.4em; font-size:.66rem; }
/* Por debajo de 560px el botón del encabezado sobra: el flotante ya está abajo. */
@media (max-width:560px){
  .nav .btn{ display:none; }
  .nav__in{ gap:.8rem; }
  .nav__links{ gap:.95rem; }
  .nav__links a{ font-size:.6rem; letter-spacing:.1em; }
}

/* ---------- portada ---------- */
.hero{ position:relative; min-height: 92svh; display:flex; align-items:flex-end; overflow:hidden; }
.hero__media{ position:absolute; inset:0; z-index:0; }
.hero__media img{
  width:100%; height:100%; object-fit:cover;
  animation: deriva 26s ease-in-out infinite alternate;
}
@keyframes deriva{ from{ transform:scale(1.04) } to{ transform:scale(1.14) translateY(-1.5%) } }
.hero__media::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(39,36,30,.55) 0%, rgba(39,36,30,.16) 36%, rgba(39,36,30,.94) 100%);
}
.hero__in{ position:relative; z-index:2; width:100%; padding-block: 0 clamp(60px,9vw,120px); }
.hero__copy{ display:flex; flex-direction:column; gap:1.6rem; align-items:flex-start; max-width:62ch; }
.hero__cta{ display:flex; flex-wrap:wrap; gap:.8rem; margin-top:.6rem; }
.scroll-cue{
  position:absolute; left:50%; bottom:28px; translate:-50% 0; z-index:3;
  font-size:.6rem; letter-spacing:.3em; text-transform:uppercase; color:var(--mist);
  display:flex; flex-direction:column; align-items:center; gap:.7rem;
}
.scroll-cue i{ display:block; width:1px; height:46px; background:linear-gradient(var(--sky), transparent); animation: baja 2.4s ease-in-out infinite; transform-origin:top; }
@keyframes baja{ 0%,100%{ transform:scaleY(.35); opacity:.4 } 50%{ transform:scaleY(1); opacity:1 } }
@media (max-width:700px){ .scroll-cue{ display:none; } }

/* ---------- bloque partido texto / imagen ---------- */
.split{ display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: clamp(32px,5vw,80px); align-items:center; }
@media (max-width:900px){ .split{ grid-template-columns:1fr; } }
.split--flip > .split__media{ order:-1; }
@media (max-width:900px){ .split--flip > .split__media{ order:0; } }
.split__copy{ display:flex; flex-direction:column; gap:1.3rem; min-width:0; }
.split__media{ position:relative; min-width:0; }
.split__media img{ width:100%; height:100%; object-fit:cover; aspect-ratio:4/5; }
@media (max-width:900px){ .split__media img{ aspect-ratio:16/11; } }

/* barrido de revelado: la imagen se descubre, no aparece */
.wipe{ position:relative; overflow:hidden; }
.wipe img{ transform: scale(1.12); transition: transform 1.3s cubic-bezier(.65,0,.35,1); }
.wipe::after{
  content:""; position:absolute; inset:0; background: var(--night);
  transform-origin:right; transition: transform 1s cubic-bezier(.65,0,.35,1);
}
.wipe.in img{ transform:scale(1); }
.wipe.in::after{ transform: scaleX(0); }

/* ---------- cifras ---------- */
.nums{ display:grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap:1px; background: var(--line); }
@media (max-width:760px){ .nums{ grid-template-columns: repeat(2, minmax(0,1fr)); } }
.num{ background: var(--ink); padding: clamp(28px,4vw,46px) clamp(16px,2.4vw,28px); display:flex; flex-direction:column; gap:.5rem; }
.num__v{
  font-family: var(--display); font-weight:200; font-size: clamp(2.4rem,5.6vw,4rem);
  line-height:1; letter-spacing:.02em; font-variant-numeric: tabular-nums; color: var(--ivory);
}
.num__k{ font-size:.66rem; letter-spacing:.22em; text-transform:uppercase; color: var(--mist); }

/* ---------- amenidades: la lista manda sobre la imagen ---------- */
.amen{ display:grid; grid-template-columns: minmax(0,1fr) minmax(0,1.05fr); gap: clamp(30px,5vw,76px); align-items:center; }
@media (max-width:900px){ .amen{ grid-template-columns:1fr; } }
.amen__list{ list-style:none; margin:0; padding:0; border-top:1px solid var(--line); }
.amen__item{ border-bottom:1px solid var(--line); }
.amen__btn{
  width:100%; display:flex; align-items:baseline; gap:1.1rem; cursor:pointer;
  background:transparent; border:0; color: var(--ivory); text-align:left;
  padding: 1.05rem .3rem; font-family: var(--display); font-weight:200;
  font-size: clamp(1rem,1.7vw,1.3rem); letter-spacing:.13em; text-transform:uppercase;
  opacity:.55; transition: opacity .35s ease, padding-left .35s ease, color .35s ease;
}
.amen__btn:hover{ opacity:.85; }
.amen__item.on .amen__btn{ opacity:1; padding-left:1rem; color:#fff; }
.amen__n{ font-family: var(--body); font-size:.62rem; letter-spacing:.2em; color: var(--sky); flex:none; }
.amen__en{ font-family: var(--body); font-size:.68rem; letter-spacing:.12em; color:#6E767E; text-transform:none; margin-left:auto; flex:none; }
@media (max-width:520px){ .amen__en{ display:none; } }
.amen__media{ position:relative; aspect-ratio:4/5; overflow:hidden; min-width:0; }
@media (max-width:900px){ .amen__media{ aspect-ratio:16/11; order:-1; } }
.amen__media img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  opacity:0; transform: scale(1.06); transition: opacity .7s ease, transform 1.1s cubic-bezier(.65,0,.35,1);
}
.amen__media img.on{ opacity:1; transform:scale(1); }

/* ---------- residencias ---------- */
.units{ display:grid; grid-template-columns: repeat(12, 1fr); gap:14px; margin-top: clamp(34px,4vw,56px); }
.unit{ position:relative; overflow:hidden; min-width:0; }
.unit img{
  width:100%; height:100%; object-fit:cover;
  transition: transform 1.3s cubic-bezier(.65,0,.35,1), filter .8s ease;
  filter: saturate(.88) brightness(.92);
}
.unit:hover img{ transform:scale(1.06); filter: saturate(1.04) brightness(1); }
.unit figcaption{
  position:absolute; left:0; right:0; bottom:0; padding:1.2rem 1.3rem;
  font-size:.64rem; letter-spacing:.22em; text-transform:uppercase; color: var(--ivory);
  background: linear-gradient(transparent, rgba(28,26,21,.9));
  transform: translateY(8px); opacity:.82;
  transition: transform .6s cubic-bezier(.2,.7,.3,1), opacity .6s ease;
}
.unit:hover figcaption{ transform:none; opacity:1; }
.unit--a{ grid-column: span 7; aspect-ratio:16/10; }
.unit--b{ grid-column: span 5; aspect-ratio:4/3; }
.unit--c{ grid-column: span 4; aspect-ratio:3/4; }
.unit--d{ grid-column: span 4; aspect-ratio:3/4; }
.unit--e{ grid-column: span 4; aspect-ratio:3/4; }
@media (max-width:860px){
  .unit--a,.unit--b{ grid-column: span 12; aspect-ratio:16/10; }
  .unit--c,.unit--d,.unit--e{ grid-column: span 6; aspect-ratio:3/4; }
}
@media (max-width:520px){ .unit--c,.unit--d,.unit--e{ grid-column: span 12; aspect-ratio:4/3; } }

/* ---------- video ---------- */
.video{ position:relative; aspect-ratio:16/9; overflow:hidden; background:#000; margin-top: clamp(30px,4vw,48px); }
.video iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; }
.video__poster{ position:absolute; inset:0; cursor:pointer; border:0; padding:0; background:none; }
.video__poster img{ width:100%; height:100%; object-fit:cover; }
.video__poster::after{ content:""; position:absolute; inset:0; background: rgba(39,36,30,.45); transition: background-color .4s ease; }
.video__poster:hover::after{ background: rgba(39,36,30,.2); }
.video__play{
  position:absolute; left:50%; top:50%; translate:-50% -50%; z-index:2;
  width:86px; height:86px; border-radius:50%; border:1px solid rgba(255,255,255,.7);
  display:grid; place-items:center; color:#fff;
  transition: transform .4s cubic-bezier(.65,0,.35,1), background-color .4s ease, border-color .4s ease;
}
.video__poster:hover .video__play{ transform:translate(-50%,-50%) scale(1.08); background: var(--sky); border-color: var(--sky); color: var(--night); }

/* ---------- ubicación ---------- */
.loc{ display:grid; grid-template-columns: minmax(0,1fr) minmax(0,1.15fr); gap: clamp(30px,5vw,72px); align-items:center; }
@media (max-width:900px){ .loc{ grid-template-columns:1fr; } }
.loc__list{ list-style:none; margin:1.4rem 0 0; padding:0; display:grid; gap:0; border-top:1px solid var(--line); }
.loc__list li{
  display:grid; grid-template-columns:auto 1fr; gap:1rem; align-items:baseline;
  padding:.95rem 0; border-bottom:1px solid var(--line); color: var(--mist); font-size:.95rem;
}
.loc__list b{ color: var(--sky); font-weight:500; font-size:.72rem; letter-spacing:.14em; }

/* ---------- cierre ---------- */
.closing{ position:relative; overflow:hidden; text-align:center; }
.closing__media{ position:absolute; inset:0; z-index:0; }
.closing__media img{ width:100%; height:100%; object-fit:cover; }
.closing__media::after{ content:""; position:absolute; inset:0; background: rgba(39,36,30,.76); }
.closing .wrap{ display:flex; flex-direction:column; align-items:center; gap:1.5rem; }

/* ---------- pie ---------- */
.foot{ background: var(--ink-2); padding-block: clamp(50px,6vw,76px) 2.2rem; }
.foot__grid{ display:grid; grid-template-columns: minmax(0,1.4fr) repeat(2, minmax(0,1fr)); gap:2.4rem; align-items:start; }
@media (max-width:800px){ .foot__grid{ grid-template-columns:1fr; gap:2rem; } }
.foot img{ height:42px; width:auto; }
.foot__tag{ font-size:.68rem; letter-spacing:.24em; text-transform:uppercase; color: var(--mist); margin-top:1.1rem; }
.foot h4{ font-size:.64rem; letter-spacing:.24em; color:#6E767E; margin:0 0 1rem; font-weight:500; font-family:var(--body); text-transform:uppercase; }
.foot ul{ list-style:none; margin:0; padding:0; display:grid; gap:.65rem; }
/* el correo es largo: que parta antes de empujar la página a lo ancho */
.foot a{ color: var(--mist); text-decoration:none; font-size:.9rem; transition:color .3s ease; overflow-wrap:anywhere; }
.foot a:hover{ color: var(--sky); }
.foot__legal{
  margin-top:3rem; padding-top:1.4rem; border-top:1px solid var(--line);
  display:flex; flex-wrap:wrap; gap:.5rem 1.6rem; font-size:.74rem; color:#6E767E;
}

.foot__legal a{ font-size:inherit; color:var(--mist); text-decoration:underline; text-underline-offset:3px; }
.foot__legal a:hover{ color:var(--sky); }

/* ---------- botón flotante de whatsapp ---------- */
.wa{
  position:fixed; z-index:70;
  right: calc(20px + env(safe-area-inset-right, 0px));
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  width:56px; height:56px; border-radius:50%;
  background:#25D366; color:#0B1A10; display:grid; place-items:center;
  box-shadow:0 10px 30px rgba(0,0,0,.45); text-decoration:none;
  transition: transform .35s cubic-bezier(.2,.7,.3,1);
}
.wa:hover{ transform:scale(1.08); }

/* ---------- entrada por scroll ---------- */
.up{ opacity:0; transform:translateY(26px); }
.up.in{ opacity:1; transform:none; transition: opacity .9s ease, transform .9s cubic-bezier(.2,.7,.3,1); }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation:none !important; }
  .up{ opacity:1 !important; transform:none !important; }
  .wipe::after{ display:none; }
  .wipe img{ transform:none !important; }
  .btn:hover::before{ transform:none; }
}