/* Umbral — residencias de autor (web de concepto de Arkevo)
   Noche azul, vidrio líquido, Bodoni Moda + Manrope. */

:root {
  --night: #080B0D;
  --deep: #0D1317;
  --deep-2: #121A1F;
  --text: #ECE8E1;
  --soft: rgba(236, 232, 225, .70);
  --faint: rgba(236, 232, 225, .44);
  --moon: #BCD4D8;
  --line: rgba(188, 212, 216, .20);
  --amber: #E8B878;

  --serif: "Bodoni Moda", "Didot", "Bodoni 72", Georgia, serif;
  --sans: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --gut: clamp(20px, 4.4vw, 64px);
  --max: 1440px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --slow: 1.4s;

  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--night);
  color: var(--text);
  font: 400 16px/1.65 var(--sans);
  font-feature-settings: "ss01", "tnum" 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
em { font-style: italic; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--moon); color: var(--night); }
:focus-visible { outline: 1px solid var(--moon); outline-offset: 4px; border-radius: 4px; }

.skip { position: absolute; left: -999px; top: 12px; z-index: 100; padding: 10px 16px; background: var(--text); color: var(--night); border-radius: 999px; }
.skip:focus { left: 12px; }

.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gut); }
.wrap-l { padding-left: var(--gut); }

.eyebrow {
  margin: 0 0 22px;
  font: 500 11px/1 var(--sans);
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--moon);
  display: flex; align-items: center; gap: 14px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; opacity: .6; }

.h2 {
  margin: 0;
  font: 400 clamp(2.5rem, 5.4vw, 5rem)/.98 var(--serif);
  font-variation-settings: "opsz" 96;
  letter-spacing: -.015em;
}
.h2 em, .hero__t em, .philo__t em, .cap__t em { font-style: italic; color: var(--moon); }

/* ---------- Vidrio líquido ---------- */
.glass {
  --gx: 30%; --gy: 0%;
  position: relative;
  isolation: isolate;
  background:
    linear-gradient(145deg, rgba(255,255,255,.13), rgba(255,255,255,.035) 42%, rgba(255,255,255,.06));
  -webkit-backdrop-filter: blur(22px) saturate(150%) brightness(.92);
  backdrop-filter: blur(22px) saturate(150%) brightness(.92);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.22),
    inset 0 -1px 0 rgba(255,255,255,.04),
    inset 0 0 24px rgba(188,212,216,.05),
    0 24px 60px -24px rgba(0,0,0,.6);
}
/* reflejo especular que sigue al puntero */
.glass::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: -1;
  background: radial-gradient(420px circle at var(--gx) var(--gy), rgba(255,255,255,.10), transparent 60%);
  opacity: .9;
  transition: opacity .6s var(--ease);
}
/* filo de luz en el borde superior */
.glass::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  pointer-events: none;
  padding: 1px;
  background: linear-gradient(120deg, rgba(255,255,255,.45), rgba(255,255,255,0) 30%, rgba(255,255,255,0) 70%, rgba(188,212,216,.28));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  opacity: .55;
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass { background: rgba(18, 26, 31, .88); }
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 44px; padding: 0 22px;
  border-radius: 999px;
  font: 500 13px/1 var(--sans); letter-spacing: .04em;
  cursor: pointer; border: 0;
  transition: background .5s var(--ease), color .5s var(--ease), transform .5s var(--ease);
}
.btn--glass { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); }
.btn--glass:hover { background: rgba(255,255,255,.16); }
.btn--light { background: var(--text); color: var(--night); }
.btn--light:hover { background: #fff; }

/* ---------- Navegación ---------- */
.nav {
  position: fixed; z-index: 50;
  top: max(14px, env(safe-area-inset-top)); left: 0; right: 0;
  display: flex; flex-direction: column; align-items: center;
  padding-inline: 14px;
  pointer-events: none;
  transition: transform .8s var(--ease-out), opacity .6s var(--ease);
}
.nav.is-hidden { transform: translateY(-140%); opacity: 0; }
.nav__bar {
  pointer-events: auto;
  display: flex; align-items: center; gap: 28px;
  height: 60px; padding: 0 8px 0 22px;
  border-radius: 999px;
  width: min(100%, 860px);
}
.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.brand__mark { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.brand__word { font: 400 19px/1 var(--serif); letter-spacing: .28em; text-transform: uppercase; font-variation-settings: "opsz" 24; }
.nav__links { display: flex; gap: 26px; }
.nav__links a { font-size: 13px; letter-spacing: .02em; color: var(--soft); transition: color .4s var(--ease); position: relative; }
.nav__links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px; background: var(--moon); transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease-out); }
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after, .nav__links a[aria-current]::after { transform: scaleX(1); }
.nav__toggle { display: none; }
.menu { display: none; }

@media (max-width: 820px) {
  .nav__links, .nav__cta { display: none; }
  .nav__bar { height: 54px; padding-right: 6px; }
  .nav__toggle {
    pointer-events: auto;
    display: inline-flex; align-items: center; height: 42px; padding: 0 18px;
    border-radius: 999px; border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.08);
    font-size: 13px; letter-spacing: .04em; cursor: pointer;
  }
  .menu {
    pointer-events: auto;
    display: flex; flex-direction: column; gap: 4px;
    width: 100%; margin-top: 10px; padding: 14px; border-radius: 28px;
    opacity: 0; transform: translateY(-8px) scale(.98);
    transition: opacity .5s var(--ease), transform .6s var(--ease-out);
  }
  .menu[hidden] { display: flex; visibility: hidden; }
  .menu.is-open { opacity: 1; transform: none; visibility: visible; }
  .menu a { padding: 14px 16px; font: 400 26px/1.1 var(--serif); border-bottom: 1px solid var(--line); }
  .menu a:last-child { border: 0; color: var(--moon); font-style: italic; }
}

/* ---------- Hero ---------- */
.hero { position: relative; height: 100svh; min-height: 620px; overflow: hidden; display: flex; align-items: flex-end; }
.hero__img { position: absolute; inset: 0; }
.hero__img img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 60%; transform: scale(1.12); animation: hero-in 3.2s var(--ease-out) .1s forwards; }
@keyframes hero-in { to { transform: scale(1.0); } }
.hero__shade {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(8,11,13,.55) 0%, rgba(8,11,13,0) 24%, rgba(8,11,13,.08) 38%, rgba(8,11,13,.7) 62%, rgba(8,11,13,.9) 86%, var(--night) 100%),
    radial-gradient(120% 70% at 50% 40%, transparent 50%, rgba(8,11,13,.4));
}
.hero__in { position: relative; padding-bottom: clamp(36px, 7vh, 80px); }
.hero__t {
  margin: 0 0 clamp(28px, 5vh, 56px);
  font: 400 clamp(3.2rem, 8.4vw, 8.8rem)/.9 var(--serif);
  font-variation-settings: "opsz" 96;
  letter-spacing: -.025em;
}
.hero__t .line { display: block; overflow: hidden; padding: .14em 0 .06em; margin-top: -.14em; }
.hero__t .line > span { display: inline-block; transform: translateY(105%); animation: rise 1.6s var(--ease-out) forwards; }
.hero__t .line:nth-child(2) > span { animation-delay: .14s; padding-left: .9em; }
@keyframes rise { to { transform: none; } }
.hero__foot { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; }
.hero__lead { max-width: 30em; margin: 0; color: var(--soft); font-size: 15px; }
.hero__coord { position: absolute; right: var(--gut); top: 50%; transform: rotate(90deg) translateX(50%); transform-origin: right top; font: 400 11px/1 var(--mono); letter-spacing: .14em; color: var(--faint); }

.card-mini {
  display: grid; gap: 6px;
  min-width: 290px; padding: 20px 22px 18px;
  border-radius: 22px;
  transition: transform .8s var(--ease-out);
}
.card-mini:hover { transform: translateY(-4px); }
.card-mini__k, .home__k { font: 500 10.5px/1 var(--sans); letter-spacing: .22em; text-transform: uppercase; color: var(--moon); }
.card-mini__t { font: 400 28px/1.1 var(--serif); margin-top: 4px; }
.card-mini__s { font-size: 13px; color: var(--soft); }
.card-mini__go, .home__go { display: inline-flex; align-items: center; gap: 8px; margin-top: 10px; font-size: 12.5px; letter-spacing: .06em; }
.card-mini svg, .home__go svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.4; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity var(--slow) var(--ease), transform var(--slow) var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
.hero .reveal { transition-delay: .7s; }
.hero .card-mini.reveal { transition-delay: .9s; }

@media (max-width: 720px) {
  .hero__foot { flex-direction: column; align-items: stretch; }
  .card-mini { min-width: 0; }
  .hero__coord { display: none; }
  .hero__t .line:nth-child(2) > span { padding-left: 0; }
}

/* ---------- Recorrido ---------- */
.walk { position: relative; height: 560vh; background: var(--night); }
.walk__stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.walk__scenes { position: absolute; inset: 0; }
.scene { position: absolute; inset: 0; margin: 0; opacity: 0; visibility: hidden; will-change: opacity, transform; transform-origin: var(--o, 50% 50%); }
.scene:first-child { opacity: 1; visibility: visible; }
.scene img { width: 100%; height: 100%; object-fit: cover; object-position: var(--o, 50% 50%); }
.walk__pass { position: absolute; inset: 0; background: var(--night); opacity: 0; pointer-events: none; }
.walk__vignette {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(130% 90% at 50% 50%, transparent 52%, rgba(8,11,13,.55) 100%),
    linear-gradient(180deg, rgba(8,11,13,.5), transparent 22%, transparent 58%, rgba(8,11,13,.78));
}

.walk__caps { list-style: none; margin: 0; padding: 0; position: absolute; left: var(--gut); bottom: clamp(32px, 8vh, 88px); width: min(560px, 58vw); }
.cap { position: absolute; left: 0; bottom: 0; width: 100%; opacity: 0; transform: translateY(16px); transition: opacity 1s var(--ease), transform 1.2s var(--ease-out); }
.cap.on { opacity: 1; transform: none; }
.cap__n { display: block; margin-bottom: 14px; font: 400 11px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--moon); }
.cap__t { margin: 0 0 12px; font: 400 clamp(2rem, 4.2vw, 3.9rem)/1 var(--serif); letter-spacing: -.015em; text-wrap: balance; }
.cap__s { margin: 0; max-width: 34em; color: var(--soft); font-size: 14.5px; }

.hud {
  position: absolute; right: var(--gut); bottom: clamp(32px, 8vh, 88px);
  width: 300px; padding: 16px 18px 14px; border-radius: 22px;
  font: 400 10.5px/1.3 var(--mono); letter-spacing: .06em; color: var(--soft);
}
.hud__top { display: flex; justify-content: space-between; align-items: baseline; }
.hud__room { font: 400 20px/1 var(--serif); letter-spacing: 0; color: var(--text); }
.hud__n b { color: var(--text); font-weight: 400; }
.hud__sub { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin: 4px 0 8px; color: var(--faint); text-transform: uppercase; letter-spacing: .14em; font-size: 9.5px; }
.hud__plan { display: block; width: 100%; height: auto; overflow: visible; }
.hud__grid { fill: none; stroke: rgba(188,212,216,.08); stroke-width: .5; stroke-dasharray: 2 3; }
.hud__fill { fill: rgba(188,212,216,.035); }
.hud__walls { fill: none; stroke: rgba(236,232,225,.75); stroke-width: 1.6; stroke-linecap: square; }
.hud__glass { stroke: var(--moon); stroke-width: 1; stroke-dasharray: 1 2.5; }
.hud__tree { fill: none; stroke: rgba(188,212,216,.35); stroke-width: .6; stroke-dasharray: 1.5 1.5; }
.hud__lbl { font: 400 6.5px var(--mono); fill: var(--faint); text-anchor: middle; letter-spacing: .08em; text-transform: uppercase; }
.hud__route { fill: none; stroke: rgba(188,212,216,.3); stroke-width: .8; stroke-dasharray: 2 2.5; }
.hud__route--done { stroke: var(--amber); stroke-dasharray: none; stroke-width: 1.2; }
.hud__stops circle { fill: var(--night); stroke: rgba(188,212,216,.6); stroke-width: .8; transition: fill .6s var(--ease); }
.hud__stops circle.on { fill: var(--amber); stroke: var(--amber); }
.hud__dot { fill: var(--amber); }
.hud__halo { fill: rgba(232,184,120,.18); stroke: rgba(232,184,120,.45); stroke-width: .5; transform-box: fill-box; transform-origin: center; animation: halo 2.4s var(--ease) infinite; }
@keyframes halo { 0% { transform: scale(.5); opacity: 1; } 100% { transform: scale(1.5); opacity: 0; } }
.hud__data { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 10px 0 10px; padding-top: 10px; border-top: 1px solid var(--line); }
.hud__data div { margin: 0; }
.hud__data dt { color: var(--faint); font-size: 9px; letter-spacing: .14em; text-transform: uppercase; }
.hud__data dd { margin: 3px 0 0; color: var(--text); font-size: 12px; font-variant-numeric: tabular-nums; }
.hud__bar { height: 1px; background: var(--line); }
.hud__bar span { display: block; height: 100%; width: 100%; background: var(--moon); transform: scaleX(0); transform-origin: left; }

@media (max-width: 820px) {
  .walk { height: 480vh; }
  .walk__caps { width: auto; right: var(--gut); bottom: 210px; }
  .cap__s { font-size: 13.5px; }
  .hud { left: 12px; right: 12px; width: auto; bottom: max(12px, env(safe-area-inset-bottom)); display: grid; grid-template-columns: 1fr 132px; grid-template-areas: "top plan" "sub plan" "data plan" "bar bar"; column-gap: 14px; padding: 12px 14px; border-radius: 18px; }
  .hud__top { grid-area: top; }
  .hud__sub { grid-area: sub; margin: 2px 0 6px; }
  .hud__plan { grid-area: plan; align-self: center; }
  .hud__data { grid-area: data; margin: 0; padding-top: 8px; grid-template-columns: repeat(2, 1fr); }
  .hud__data div:last-child { display: none; }
  .hud__bar { grid-area: bar; margin-top: 10px; }
}

/* ---------- Filosofía ---------- */
.philo { padding-block: clamp(110px, 18vh, 200px) clamp(90px, 14vh, 160px); }
.philo__t {
  margin: 0; max-width: 18em;
  font: 400 clamp(2rem, 4.1vw, 3.9rem)/1.08 var(--serif);
  font-variation-settings: "opsz" 72;
  letter-spacing: -.01em;
  text-wrap: balance;
}
.philo__cols { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 72px); max-width: 920px; margin: clamp(48px, 8vh, 88px) 0 0 auto; color: var(--soft); }
.philo__cols p { margin: 0; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); margin: clamp(64px, 10vh, 120px) 0 0; border-top: 1px solid var(--line); }
.stats div { padding: 24px 24px 0 0; }
.stats div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.stats dt { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--faint); }
.stats dd { margin: 14px 0 0; font: 400 clamp(2.4rem, 4.4vw, 4.2rem)/1 var(--serif); font-variant-numeric: lining-nums; }
.stats small { font-size: .4em; color: var(--soft); margin-left: 4px; }
@media (max-width: 820px) {
  .philo__cols { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats div:nth-child(3) { border-left: 0; padding-left: 0; }
  .stats div:nth-child(n+3) { border-top: 1px solid var(--line); margin-top: 24px; }
}

/* ---------- Residencias ---------- */
.homes { padding-bottom: clamp(100px, 16vh, 180px); }
.homes__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: clamp(36px, 6vh, 64px); }
.homes__intro { max-width: 24em; margin: 0; color: var(--soft); }
.homes__list { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(14px, 2vw, 28px); }
.home { position: relative; display: block; border-radius: 28px; overflow: hidden; aspect-ratio: 4 / 5; isolation: isolate; }
.home--wide { grid-column: 1 / -1; aspect-ratio: 16 / 8; }
.home__img { position: absolute; inset: 0; }
.home__img img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.04); transition: transform 2.4s var(--ease-out), filter 1.2s var(--ease); filter: brightness(.86); }
.home:hover .home__img img { transform: scale(1.0); filter: brightness(1); }
.home::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(8,11,13,.55)); pointer-events: none; }
.home__cap {
  position: absolute; z-index: 1; left: 16px; bottom: 16px;
  display: grid; gap: 6px; padding: 18px 22px; border-radius: 20px;
  min-width: min(320px, calc(100% - 32px));
  transition: transform 1s var(--ease-out);
}
.home:hover .home__cap { transform: translateY(-6px); }
.home__t { font: 400 clamp(1.6rem, 2.4vw, 2.2rem)/1.05 var(--serif); margin-top: 2px; }
.home__s { font-size: 13px; color: var(--soft); }
.home__go { margin-top: 6px; }
.home__go svg { transition: transform .8s var(--ease-out); }
.home:hover .home__go svg { transform: translateX(4px); }
@media (max-width: 820px) {
  .homes__head { flex-direction: column; align-items: flex-start; }
  .homes__list { grid-template-columns: 1fr; }
  .home, .home--wide { aspect-ratio: 4 / 5; border-radius: 22px; }
}

/* ---------- Axonometría ---------- */
.axo { position: relative; height: 340vh; background: radial-gradient(80% 60% at 70% 50%, var(--deep-2), var(--night) 70%); }
.axo__stage { position: sticky; top: 0; height: 100vh; height: 100svh; display: grid; grid-template-columns: minmax(320px, 5fr) 7fr; align-items: center; overflow: hidden; }
.axo__text { max-width: 520px; }
.layers { list-style: none; margin: clamp(32px, 6vh, 56px) 0 0; padding: 0; border-top: 1px solid var(--line); }
.layers li { display: grid; grid-template-columns: 40px 1fr; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--line); opacity: .38; transition: opacity .8s var(--ease); }
.layers li.on { opacity: 1; }
.layers span { font: 400 11px/1.9 var(--mono); color: var(--moon); }
.layers b { font: 400 22px/1.2 var(--serif); }
.layers p { margin: 4px 0 0; font-size: 13.5px; color: var(--soft); max-width: 34em; }
.axo__fig { position: relative; height: 100%; display: flex; align-items: center; justify-content: center; }
.axo__fig svg { width: 100%; height: auto; max-height: 92svh; overflow: visible; }
.axo__note { position: absolute; right: var(--gut); bottom: 28px; margin: 0; font: 400 10.5px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.ax-face { fill: rgba(188,212,216,.035); stroke: none; }
.ax-top { fill: rgba(188,212,216,.07); }
.ax-edge { fill: none; stroke: rgba(236,232,225,.8); stroke-width: 1; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.ax-thin { fill: none; stroke: rgba(188,212,216,.4); stroke-width: .7; vector-effect: non-scaling-stroke; }
.ax-glass { fill: rgba(188,212,216,.08); stroke: rgba(188,212,216,.5); stroke-width: .6; vector-effect: non-scaling-stroke; }
.ax-lead { stroke: rgba(188,212,216,.5); stroke-width: .7; stroke-dasharray: 2 3; vector-effect: non-scaling-stroke; }
.ax-label { font: 400 10px var(--mono); letter-spacing: .14em; fill: var(--moon); text-transform: uppercase; }
.ax-dim { stroke: var(--amber); stroke-width: .8; vector-effect: non-scaling-stroke; }
.ax-dimt { font: 400 10px var(--mono); fill: var(--amber); letter-spacing: .08em; }
@media (max-width: 900px) {
  .axo { height: 300vh; }
  .axo__stage { grid-template-columns: 1fr; grid-template-rows: auto 1fr; align-content: start; padding-top: 92px; }
  .axo__text { padding-right: var(--gut); }
  .axo__text .h2 { font-size: 2.3rem; }
  .layers { margin-top: 18px; }
  .layers li { display: none; padding: 12px 0; }
  .layers li.on { display: grid; border-top: 0; }
  .layers.is-all li { display: none; }
  .axo__fig svg { max-height: 58svh; }
  .axo__note { display: none; }
}

/* ---------- Proceso ---------- */
.process { position: relative; padding-block: clamp(120px, 18vh, 200px); overflow: hidden; isolation: isolate; }
.process__bg { position: absolute; inset: -10% 0; z-index: -1; }
.process__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.process__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, var(--night), rgba(8,11,13,.35) 30%, rgba(8,11,13,.45) 70%, var(--night)); }
.process__head { margin-bottom: clamp(48px, 8vh, 80px); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.step { display: flex; flex-direction: column; padding: 26px 24px 22px; border-radius: 24px; min-height: 320px; }
.step:nth-child(2) { transition-delay: .12s; }
.step:nth-child(3) { transition-delay: .24s; }
.step:nth-child(4) { transition-delay: .36s; }
.step__n { font: 400 11px/1 var(--mono); color: var(--moon); letter-spacing: .14em; }
.step h3 { margin: 56px 0 12px; font: 400 30px/1 var(--serif); }
.step p { margin: 0; font-size: 14px; color: var(--soft); }
.step__d { margin-top: auto; padding-top: 22px; border-top: 1px solid var(--line); font: 400 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--faint); }
@media (max-width: 980px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } .step { min-height: 0; } .step h3 { margin-top: 28px; } }

/* ---------- Contacto ---------- */
.contact { position: relative; padding-block: clamp(120px, 18vh, 200px); isolation: isolate; overflow: hidden; }
.contact__bg { position: absolute; inset: 0; z-index: -1; }
.contact__bg img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 70%; }
.contact__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,11,13,.92), rgba(8,11,13,.6) 55%, rgba(8,11,13,.35)), linear-gradient(180deg, var(--night), transparent 25%); }
.contact__in { display: grid; grid-template-columns: 1fr minmax(320px, 460px); gap: clamp(40px, 7vw, 120px); align-items: end; }
.contact__copy > p:not(.eyebrow) { color: var(--soft); max-width: 30em; margin: 28px 0 0; }
.contact__list { list-style: none; margin: 40px 0 0; padding: 0; display: grid; gap: 14px; }
.contact__list li { display: grid; grid-template-columns: 110px 1fr; font-size: 15px; }
.contact__list span { font: 400 10.5px/2.1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.contact__list a { border-bottom: 1px solid var(--line); transition: border-color .5s var(--ease); }
.contact__list a:hover { border-color: var(--moon); }

.form { display: grid; gap: 6px; padding: 28px 28px 26px; border-radius: 28px; }
.field { position: relative; }
.field input, .field textarea, .field select {
  width: 100%; padding: 26px 0 10px; border: 0; border-bottom: 1px solid rgba(236,232,225,.22);
  background: transparent; outline: none; font-size: 15px; border-radius: 0;
  transition: border-color .5s var(--ease);
}
.field select { appearance: none; cursor: pointer; background: linear-gradient(45deg, transparent 50%, var(--soft) 50%) right 6px top 34px / 5px 5px no-repeat, linear-gradient(-45deg, transparent 50%, var(--soft) 50%) right 1px top 34px / 5px 5px no-repeat; }
.field select option { background: var(--deep); }
.field textarea { resize: vertical; min-height: 80px; }
.field label { position: absolute; left: 0; top: 26px; font-size: 15px; color: var(--faint); pointer-events: none; transform-origin: left; transition: transform .5s var(--ease-out), color .5s var(--ease); }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--moon); }
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label,
.field--select label { transform: translateY(-20px) scale(.78); color: var(--moon); }
.check { display: flex; gap: 10px; align-items: center; margin: 18px 0 14px; font-size: 13px; color: var(--soft); cursor: pointer; }
.check input { accent-color: var(--moon); width: 16px; height: 16px; }
.form .btn { width: 100%; height: 52px; }
.form__ok { margin: 8px 0 0; font-size: 13px; color: var(--moon); }
/* errores en línea (sustituyen a los globos del navegador) */
.field__err { margin: 0; max-height: 0; overflow: hidden; opacity: 0; font-size: 12.5px; line-height: 1.45; color: #F0B4A6; display: flex; gap: 8px; align-items: baseline; transition: max-height .5s var(--ease-out), opacity .4s var(--ease), margin .5s var(--ease-out); }
.field__err:not(:empty) { max-height: 60px; opacity: 1; margin: 8px 0 4px; }
.field__err:not(:empty)::before { content: ""; flex: none; width: 5px; height: 5px; border-radius: 50%; background: currentColor; box-shadow: 0 0 10px rgba(240,180,166,.8); transform: translateY(-1px); }
.field.is-invalid input, .field.is-invalid textarea { border-color: rgba(240,180,166,.7); }
.field.is-invalid label { color: #F0B4A6 !important; }
.field.is-invalid { animation: nudge .5s var(--ease-out); }
@keyframes nudge { 20% { transform: translateX(-4px); } 50% { transform: translateX(3px); } 80% { transform: translateX(-1px); } }
.check-wrap { margin: 18px 0 14px; }
.check-wrap .check { margin: 0; }
.check-wrap .field__err:not(:empty) { margin-left: 26px; }
.check a { color: var(--text); border-bottom: 1px solid var(--line); transition: border-color .5s var(--ease); }
.check a:hover { border-color: var(--moon); }
.check-wrap.is-invalid .check input { outline: 1px solid rgba(240,180,166,.8); outline-offset: 2px; }
.form__note { margin: 10px 0 0; font: 400 10.5px/1.5 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--faint); text-align: center; }
.btn__spin { display: none; width: 16px; height: 16px; border-radius: 50%; border: 1.5px solid rgba(8,11,13,.25); border-top-color: var(--night); animation: spin .8s linear infinite; }
.form.is-busy .btn { pointer-events: none; }
.form.is-busy .btn__spin { display: inline-block; }
.form.is-busy .field, .form.is-busy .check-wrap { opacity: .55; transition: opacity .4s var(--ease); }
@keyframes spin { to { transform: rotate(360deg); } }
@media (max-width: 860px) { .contact__in { grid-template-columns: 1fr; } .form { padding: 22px 20px; } .contact__list li { grid-template-columns: 92px 1fr; } }

/* ---------- Pie ---------- */
.foot { display: flex; align-items: center; gap: 28px; padding-block: 40px 48px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--faint); }
.foot__brand { display: flex; align-items: center; gap: 10px; color: var(--text); font: 400 14px var(--serif); letter-spacing: .2em; text-transform: uppercase; }
.foot__note { margin: 0 auto 0 0; }
.foot__note a { color: var(--soft); border-bottom: 1px solid var(--line); }
.foot__top { color: var(--soft); }
@media (max-width: 720px) { .foot { flex-direction: column; align-items: flex-start; gap: 14px; } }

/* =================== Página de residencia =================== */
.p-hero { position: relative; height: 92svh; min-height: 560px; display: flex; align-items: flex-end; overflow: hidden; }
.p-hero img { position: absolute; inset: 0; width: 100%; height: 115%; object-fit: cover; will-change: transform; }
.p-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,11,13,.5), transparent 30%, transparent 50%, var(--night)); }
.p-hero .wrap { position: relative; z-index: 1; padding-bottom: clamp(40px, 8vh, 90px); }
.p-hero h1 { margin: 0; font: 400 clamp(3.4rem, 10vw, 10rem)/.9 var(--serif); letter-spacing: -.03em; font-variation-settings: "opsz" 96; }
.p-hero h1 em { color: var(--moon); }
.back { display: inline-flex; gap: 8px; align-items: center; margin-bottom: 28px; font-size: 13px; color: var(--soft); }
.back:hover { color: var(--text); }

.p-intro { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(32px, 6vw, 110px); padding-block: clamp(80px, 12vh, 140px); align-items: start; }
.p-intro__t { margin: 0; font: 400 clamp(1.7rem, 2.8vw, 2.6rem)/1.18 var(--serif); text-wrap: pretty; }
.p-intro__b { color: var(--soft); margin: 32px 0 0; max-width: 36em; }
.spec { margin: 0; padding: 26px 26px 18px; border-radius: 24px; position: sticky; top: 100px; }
.spec div { display: grid; grid-template-columns: 120px 1fr; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.spec div:last-child { border: 0; }
.spec dt { font: 400 10.5px/1.9 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.spec dd { margin: 0; }
@media (max-width: 860px) { .p-intro { grid-template-columns: 1fr; } .spec { position: static; } }

.gal { display: grid; grid-template-columns: repeat(12, 1fr); gap: clamp(12px, 1.6vw, 24px); padding-bottom: clamp(80px, 12vh, 140px); }
.gal figure { margin: 0; overflow: hidden; border-radius: 22px; position: relative; }
.gal img { width: 100%; height: 100%; object-fit: cover; transition: transform 2.4s var(--ease-out); }
.gal figure:hover img { transform: scale(1.03); }
.gal figcaption { position: absolute; left: 14px; bottom: 14px; padding: 7px 12px; border-radius: 999px; font: 400 10px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.g-a { grid-column: 1 / 8; aspect-ratio: 4 / 3; }
.g-b { grid-column: 8 / 13; aspect-ratio: 3 / 4.2; align-self: end; }
.g-c { grid-column: 1 / 13; aspect-ratio: 21 / 9; }
.g-d { grid-column: 2 / 7; aspect-ratio: 3 / 4; }
.g-e { grid-column: 7 / 12; aspect-ratio: 3 / 4; margin-top: 18% !important; }
@media (max-width: 760px) { .gal > figure { grid-column: 1 / -1 !important; aspect-ratio: 4 / 5 !important; margin-top: 0 !important; } .g-c { aspect-ratio: 4 / 3 !important; } }

.compare-sec { padding-bottom: clamp(100px, 14vh, 160px); }
.compare-sec__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 32px; }
.compare-sec__head p { margin: 0; max-width: 26em; color: var(--soft); }
.compare { --pos: 50%; position: relative; aspect-ratio: 16 / 9; border-radius: 28px; overflow: hidden; user-select: none; touch-action: pan-y; cursor: ew-resize; }
.compare img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.compare__top { clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.compare__line { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 1px; background: rgba(236,232,225,.85); pointer-events: none; }
.compare__knob { position: absolute; top: 50%; left: var(--pos); width: 64px; height: 64px; margin: -32px 0 0 -32px; border-radius: 50%; display: grid; place-items: center; pointer-events: none; }
.compare__knob svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.compare__tag { position: absolute; top: 18px; padding: 8px 14px; border-radius: 999px; font: 400 10.5px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; pointer-events: none; }
.compare__tag--l { left: 18px; }
.compare__tag--r { right: 18px; }
.compare__range { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; margin: 0; pointer-events: none; }
.compare:has(.compare__range:focus-visible) { outline: 1px solid var(--moon); outline-offset: 4px; }
.compare__scale { position: absolute; left: 18px; bottom: 18px; display: flex; align-items: center; gap: 8px; font: 400 10px/1 var(--mono); color: var(--text); letter-spacing: .1em; pointer-events: none; }
.compare__scale i { display: block; width: 80px; height: 6px; border: 1px solid currentColor; border-top: 0; background: linear-gradient(90deg, currentColor 50%, transparent 50%) bottom / 40px 2px no-repeat; }
@media (max-width: 760px) { .compare { aspect-ratio: 4 / 5; border-radius: 22px; } .compare-sec__head { flex-direction: column; align-items: flex-start; } }

.next { position: relative; display: block; height: 70svh; min-height: 420px; overflow: hidden; isolation: isolate; }
.next img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -1; transition: transform 2.4s var(--ease-out); filter: brightness(.6); }
.next:hover img { transform: scale(1.04); }
.next .wrap { height: 100%; display: flex; flex-direction: column; justify-content: center; }
.next span { font: 400 11px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--moon); }
.next strong { display: block; margin-top: 18px; font: 400 clamp(2.8rem, 8vw, 7.5rem)/.95 var(--serif); }

/* =================== Gracias (visita solicitada) =================== */
.ty { position: relative; min-height: 100svh; padding: clamp(120px, 16vh, 170px) 0 clamp(70px, 10vh, 120px); isolation: isolate; overflow: hidden; }
.ty__bg { position: absolute; inset: 0; z-index: -1; }
.ty__bg img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 55%; transform: scale(1.08); animation: hero-in 3.2s var(--ease-out) forwards; }
.ty__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,11,13,.9), rgba(8,11,13,.55) 60%, rgba(8,11,13,.35)), linear-gradient(180deg, rgba(8,11,13,.55), transparent 30%, transparent 55%, var(--night)); }
.ty__in { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, 440px); gap: clamp(40px, 6vw, 110px); align-items: end; }
.ty__seal { display: inline-grid; place-items: center; width: 64px; height: 64px; margin-bottom: 30px; border-radius: 50%; }
.ty__seal svg { width: 26px; height: 26px; fill: none; stroke: var(--moon); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.ty__seal path { stroke-dasharray: 30; stroke-dashoffset: 30; animation: draw 1.2s var(--ease-out) 1s forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.ty__t { margin: 0; font: 400 clamp(2.8rem, 7.4vw, 7rem)/.95 var(--serif); letter-spacing: -.025em; font-variation-settings: "opsz" 96; text-wrap: balance; overflow-wrap: anywhere; }
.ty__t em { font-style: italic; color: var(--moon); }
.ty__lead { margin: 28px 0 0; max-width: 32em; font-size: 17px; color: var(--soft); }
.ty__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.ty__concept { display: inline-flex; align-items: center; gap: 10px; margin: 34px 0 0; padding: 9px 16px; border-radius: 999px; border: 1px dashed rgba(232,184,120,.45); font: 400 10.5px/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--amber); }
.ty__concept::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%; background: var(--amber); }

.receipt { padding: 30px 28px 26px; border-radius: 28px; }
.receipt__head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.receipt__k { font: 500 10.5px/1 var(--sans); letter-spacing: .22em; text-transform: uppercase; color: var(--moon); }
.receipt__st { display: inline-flex; align-items: center; gap: 8px; font: 400 10.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--soft); }
.receipt__st::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 0 rgba(232,184,120,.5); animation: pulse 2.4s var(--ease) infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(232,184,120,0); } 100% { box-shadow: 0 0 0 0 rgba(232,184,120,0); } }
.receipt__ref { margin: 22px 0 4px; font: 400 clamp(1.25rem, 2.2vw, 1.6rem)/1.1 var(--mono); letter-spacing: .04em; overflow-wrap: anywhere; }
.receipt__refk { margin: 0; font-size: 12px; color: var(--faint); }
.receipt dl { margin: 22px 0 0; display: grid; gap: 0; }
.receipt dl div { display: grid; grid-template-columns: 112px 1fr; gap: 12px; padding: 13px 0; border-top: 1px solid var(--line); font-size: 14.5px; }
.receipt dt { font: 400 10.5px/2 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.receipt dd { margin: 0; }
.receipt__foot { margin: 18px 0 0; padding-top: 16px; border-top: 1px dashed var(--line); font-size: 12px; color: var(--faint); }

.ty-next { padding-block: clamp(80px, 12vh, 140px); }
.ty-next__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: clamp(36px, 5vw, 60px); }
.ty-next__head p:not(.eyebrow) { margin: 0; max-width: 26em; color: var(--soft); }
.ty-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ty-steps .step { min-height: 300px; }
.ty-steps .step p { margin-bottom: 18px; }

.ty-enter { opacity: 0; transform: translateY(22px); animation: ty-in 1.4s var(--ease-out) forwards; animation-delay: calc(var(--d, 0) * 1s); }
@keyframes ty-in { to { opacity: 1; transform: none; } }

@media (max-width: 900px) {
  .ty__in { grid-template-columns: 1fr; }
  .ty-steps { grid-template-columns: 1fr; }
  .ty-steps .step { min-height: 0; }
  .ty-next__head { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .receipt { padding: 24px 20px 20px; }
  .receipt dl div { grid-template-columns: 1fr; gap: 2px; }
  .ty__cta .btn { flex: 1 1 100%; }
}

/* =================== Privacidad (texto legal de concepto) =================== */
.legal { padding: clamp(130px, 18vh, 190px) 0 clamp(70px, 10vh, 120px); }
.legal__in { max-width: 760px; }
.legal h1 { margin: 0 0 24px; font: 400 clamp(2.6rem, 6vw, 4.6rem)/1 var(--serif); letter-spacing: -.02em; }
.legal h1 em { color: var(--moon); }
.legal h2 { margin: 44px 0 12px; font: 400 1.5rem/1.2 var(--serif); }
.legal p, .legal li { color: var(--soft); }
.legal a { color: var(--text); border-bottom: 1px solid var(--line); }
.legal__box { margin: 0 0 40px; padding: 18px 22px; border-radius: 20px; font-size: 14px; }

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .hero__img img { transform: none; }
  .hero__t .line > span { transform: none; }
  .reveal { opacity: 1; transform: none; }
  .hud__halo { display: none; }
  .ty-enter { opacity: 1; transform: none; animation: none; }
  .ty__bg img { transform: none; animation: none; }
  .ty__seal path { stroke-dashoffset: 0; animation: none; }
  .field.is-invalid { animation: none; }
}

/* captura (?capture): para las capturas largas de arkevostudio.com. La ventana de captura es muy alta,
   así que las secciones a pantalla completa llevan altura fija y lo que va ligado al scroll se muestra quieto. */
.capture .reveal, .capture .cap { opacity: 1 !important; transform: none !important; transition: none !important; }
.capture .hero { height: 900px; min-height: 0; }
.capture .walk { display: none; }
.capture .axo { height: auto; }
.capture .axo__stage { position: relative; height: 900px; }
.capture .p-hero { height: 820px; min-height: 0; }
.capture .next { height: 560px; min-height: 0; }
.capture .nav { transform: none !important; opacity: 1 !important; }