/* Umbral Propiedades — inmobiliaria (plantilla conceptual)
   Mismo lenguaje que Crespo y Bio Prana (portada a pantalla completa con
   velo y zoom lento, etiquetas con línea, botones rectos con relleno que
   entra desde la izquierda, bloques claros y oscuros), con identidad propia:
   hueso, casi negro y verde inglés; Bodoni Moda + Hanken Grotesk.
   Sin bordes redondeados. */
:root {
    --night: #121614;
    --night-2: #1a201d;
    --bone: #f3f0e9;
    --bone-2: #e8e3d8;
    --ink: #171b19;
    --ink-soft: #5c615d;
    --green: #2f4a3c;
    --green-light: #6f9682;
    --brass: #b8955a;
    --on-dark: #f3f0e9;
    --on-dark-muted: rgba(243, 240, 233, 0.68);
    --line: rgba(23, 27, 25, 0.14);
    --line-dark: rgba(243, 240, 233, 0.15);
    --serif: 'Bodoni Moda', Didot, serif;
    --sans: 'Hanken Grotesk', system-ui, sans-serif;
    --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
    --pad: clamp(20px, 5vw, 72px);
    --max: 1240px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { background: var(--bone); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.65; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.02; letter-spacing: -0.01em; }
h2 { font-size: clamp(2.4rem, 5vw, 4rem); }
em { font-style: italic; color: var(--brass); }
.skip { position: absolute; left: -999px; top: 8px; z-index: 200; padding: 8px 12px; background: var(--night); color: var(--bone); }
.skip:focus { left: 8px; }

/* Pantalla de carga */
.preloader { position: fixed; inset: 0; z-index: 300; display: grid; place-content: center; justify-items: center; gap: 16px; background: var(--night); transition: opacity 0.8s var(--ease), visibility 0.8s var(--ease); }
.preloader.is-done { opacity: 0; visibility: hidden; }
.pre-word { font-family: var(--serif); font-size: 2.4rem; color: var(--bone); letter-spacing: 0.02em; }
.pre-line { width: 80px; height: 1px; background: var(--brass); transform-origin: left; animation: preLine 1.2s ease-in-out infinite; }
@keyframes preLine { 0% { transform: scaleX(0); } 50% { transform: scaleX(1); } 100% { transform: scaleX(0); transform-origin: right; } }

.eyebrow { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; font-size: 12px; font-weight: 600; letter-spacing: 0.28em; text-transform: uppercase; color: var(--green); }
.eb-line { flex: none; width: 42px; height: 1px; background: var(--brass); }

/* Botones rectos */
.btn {
    position: relative; overflow: hidden;
    display: inline-flex; align-items: center; justify-content: center; gap: 18px;
    padding: 17px 30px;
    border: 1px solid var(--green);
    background: var(--green);
    color: var(--bone);
    font: 600 12.5px/1 var(--sans); letter-spacing: 0.18em; text-transform: uppercase; text-decoration: none; white-space: nowrap;
    cursor: pointer;
    transition: color 0.35s ease, border-color 0.35s ease;
}
.btn::before { content: ''; position: absolute; inset: 0; background: var(--night); transform: translateX(-101%); transition: transform 0.45s var(--ease); }
.btn > span { position: relative; z-index: 1; }
.btn .arr { font-size: 16px; transition: transform 0.4s var(--ease); }
.btn:hover, .btn:focus-visible { color: var(--brass); border-color: var(--night); outline: none; }
.btn:hover::before, .btn:focus-visible::before { transform: translateX(0); }
.btn:hover .arr { transform: translateX(5px); }
.btn-sm { padding: 13px 20px; font-size: 11.5px; }

/* Encabezado */
.top { position: fixed; inset: 0 0 auto 0; z-index: 100; display: flex; align-items: center; gap: 32px; padding: 18px var(--pad); color: var(--on-dark); transition: background-color 0.4s ease, padding 0.4s ease, color 0.4s ease; }
.top.is-scrolled { background: var(--bone); color: var(--ink); padding-block: 12px; box-shadow: 0 1px 0 var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 26px; height: 26px; fill: none; stroke: var(--brass); stroke-width: 1.6; }
.brand span { display: grid; font-family: var(--serif); font-size: 1.55rem; line-height: 1; }
.brand small { font-family: var(--sans); font-size: 10px; font-weight: 600; letter-spacing: 0.32em; text-transform: uppercase; opacity: 0.75; margin-top: 4px; }
.nav { display: flex; gap: 30px; margin-left: auto; }
.nav a { position: relative; font-size: 12.5px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; text-decoration: none; opacity: 0.85; }
.nav a::after { content: ''; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px; background: var(--brass); transform: scaleX(0); transform-origin: left; transition: transform 0.35s var(--ease); }
.nav a:hover::after, .nav a:focus-visible::after { transform: scaleX(1); }
.menu-btn, .menu { display: none; }

/* Portada */
.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; overflow: hidden; background: var(--night); color: var(--on-dark); }
.hero-bg { position: absolute; inset: 0; overflow: hidden; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 55%; filter: saturate(0.8) contrast(1.05); transform-origin: 55% 50%; animation: heroZoom 26s ease-in-out infinite alternate; }
@keyframes heroZoom { to { transform: scale(1.08); } }
.hero-veil { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(14, 17, 15, 0.95) 0%, rgba(14, 17, 15, 0.8) 45%, rgba(14, 17, 15, 0.45) 78%, rgba(14, 17, 15, 0.55) 100%), linear-gradient(to top, rgba(14, 17, 15, 0.8), transparent 40%); }
.hero-in { position: relative; z-index: 2; width: min(760px, calc(100% - 2 * var(--pad))); margin-left: max(var(--pad), calc((100% - var(--max)) / 2 + var(--pad))); padding-top: 80px; animation: heroIn 1s var(--ease) 0.9s both; }
@keyframes heroIn { from { opacity: 0; transform: translateY(26px); } }
.hero .eyebrow { color: var(--green-light); }
.hero h1 { font-size: clamp(3.4rem, 8vw, 7rem); margin-bottom: 24px; }
.hero h1 em { display: block; }
.lead { max-width: 480px; color: var(--on-dark-muted); font-size: 1.1rem; }

/* Buscador: una franja recta de cuatro celdas */
.search {
    position: relative; z-index: 2;
    display: grid; grid-template-columns: repeat(3, 1fr) auto;
    width: calc(100% - 2 * var(--pad));
    margin: 56px auto 0;
    margin-left: max(var(--pad), calc((100% - var(--max)) / 2 + var(--pad)));
    max-width: 980px;
    background: var(--bone);
    color: var(--ink);
    animation: heroIn 1s var(--ease) 1.1s both;
}
.search label { display: grid; gap: 4px; padding: 16px 22px; border-right: 1px solid var(--line); font-size: 11px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft); }
.search select { border: 0; background: transparent; color: var(--ink); font: 500 16px/1.3 var(--sans); letter-spacing: 0; text-transform: none; cursor: pointer; padding: 2px 0; }
.search select:focus { outline: none; }
.search label:focus-within { background: var(--bone-2); }
.search .btn { border: 0; padding-inline: 34px; }

/* Secciones */
.section { max-width: var(--max); margin: 0 auto; padding: clamp(80px, 13vh, 150px) var(--pad); }
.head-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 44px; }
.count { color: var(--ink-soft); font-size: 14px; letter-spacing: 0.14em; text-transform: uppercase; }
.count strong { font-family: var(--serif); font-size: 2rem; font-weight: 500; letter-spacing: 0; color: var(--ink); margin-right: 6px; }

/* Grilla de propiedades */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px 26px; }
.prop { display: flex; flex-direction: column; text-align: left; border: 0; background: none; color: inherit; font: inherit; cursor: pointer; animation: rise 0.6s var(--ease) both; }
@keyframes rise { from { opacity: 0; transform: translateY(16px); } }
.prop-media { position: relative; overflow: hidden; aspect-ratio: 4 / 3; background: var(--bone-2); }
.prop-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s var(--ease); }
.prop:hover .prop-media img, .prop:focus-visible .prop-media img { transform: scale(1.05); }
.prop-media::after { content: ''; position: absolute; inset: 12px; border: 1px solid rgba(243, 240, 233, 0); transition: border-color 0.5s ease; }
.prop:hover .prop-media::after { border-color: rgba(243, 240, 233, 0.7); }
.prop-op { position: absolute; z-index: 1; top: 0; left: 0; padding: 8px 14px; background: var(--night); color: var(--bone); font-size: 11px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; }
.prop-op.alquiler { background: var(--green); }
.prop-body { padding-top: 18px; border-bottom: 1px solid var(--line); padding-bottom: 18px; }
.prop-price { font-family: var(--serif); font-size: 1.7rem; font-weight: 500; line-height: 1.1; }
.prop-price small { font-family: var(--sans); font-size: 13px; color: var(--ink-soft); }
.prop-title { margin-top: 6px; font-weight: 600; }
.prop-loc { color: var(--ink-soft); font-size: 15px; }
.prop-specs { display: flex; gap: 18px; margin-top: 12px; list-style: none; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); }
.prop-specs span + span { padding-left: 18px; border-left: 1px solid var(--line); }
.prop-title, .prop-loc, .prop-price, .prop-body { display: block; }
.prop:focus-visible { outline: 2px solid var(--green); outline-offset: 6px; }
.empty { padding: 40px 0; color: var(--ink-soft); }
.link-btn { border: 0; background: none; color: var(--green); font: inherit; font-weight: 600; text-decoration: underline; cursor: pointer; }

/* Tasaciones (bloque oscuro) */
.tasaciones { max-width: none; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; background: var(--night); color: var(--on-dark); padding-inline: max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad))); }
.tasaciones .eyebrow { color: var(--green-light); }
.tas-photo { position: relative; overflow: hidden; aspect-ratio: 4 / 4.6; }
.tas-photo::after { content: ''; position: absolute; inset: 16px; border: 1px solid rgba(184, 149, 90, 0.55); }
.tas-photo img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.8); }
.tas-copy h2 { margin-bottom: 20px; }
.tas-copy > p { max-width: 44ch; color: var(--on-dark-muted); margin-bottom: 30px; }
.form { display: grid; gap: 20px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label { display: grid; gap: 10px; font-size: 11.5px; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--on-dark-muted); }
.form input, .form select { width: 100%; padding: 13px 0; border: 0; border-bottom: 1px solid var(--line-dark); background: transparent; color: var(--bone); font: 400 17px/1.3 var(--sans); letter-spacing: 0; text-transform: none; color-scheme: dark; transition: border-color 0.25s; }
.form select option { background: var(--night-2); }
.form input:focus, .form select:focus { outline: none; border-color: var(--brass); }
.form .btn { justify-self: start; }
.form .btn::before { background: var(--bone); }
.form .btn:hover, .form .btn:focus-visible { color: var(--night); border-color: var(--bone); }
.form-msg { min-height: 1.6em; color: var(--brass); }

/* Contacto */
.contacto { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.info { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--ink); }
.info div { padding: 20px 0; border-bottom: 1px solid var(--line); }
.info div:nth-child(odd) { padding-right: 20px; }
.info dt { font-size: 11.5px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft); }
.info dd { margin-top: 6px; font-family: var(--serif); font-size: 1.25rem; }

/* Pie */
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 12px; padding: 30px var(--pad); background: var(--night); color: var(--on-dark-muted); font-size: 14px; }
.foot-brand { font-family: var(--serif); font-size: 1.5rem; color: var(--bone); }
.foot-brand small { font-family: var(--sans); font-size: 10px; letter-spacing: 0.32em; text-transform: uppercase; margin-left: 6px; }
.foot a { color: var(--brass); }

/* Detalle */
.detail { width: min(920px, calc(100vw - 32px)); max-height: calc(100vh - 32px); margin: auto; padding: 0; border: 0; background: var(--bone); color: var(--ink); overflow: auto; }
.detail::backdrop { background: rgba(14, 17, 15, 0.7); backdrop-filter: blur(4px); }
.detail[open] { display: grid; grid-template-columns: 1.1fr 1fr; animation: dIn 0.5s var(--ease); }
@keyframes dIn { from { opacity: 0; transform: translateY(18px); } }
.d-img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; }
.d-body { display: flex; flex-direction: column; padding: 34px 32px; }
.d-op { font-size: 11.5px; font-weight: 700; letter-spacing: 0.24em; text-transform: uppercase; color: var(--green); }
.detail h3 { margin-top: 10px; font-size: 2.1rem; }
.d-loc { margin-top: 4px; color: var(--ink-soft); }
.d-specs { display: grid; grid-template-columns: repeat(2, 1fr); margin: 22px 0; list-style: none; border-top: 1px solid var(--line); }
.d-specs li { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.d-specs li b { display: block; font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft); font-weight: 700; }
.d-text { color: var(--ink-soft); font-size: 15.5px; }
.d-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-top: auto; padding-top: 26px; }
.d-price { font-family: var(--serif); font-size: 1.8rem; }
.d-msg { min-height: 1.4em; margin-top: 12px; font-size: 14px; color: var(--green); }
.d-close { position: absolute; top: 0; right: 0; z-index: 2; width: 46px; height: 46px; border: 0; background: var(--night); color: var(--bone); font-size: 26px; line-height: 1; cursor: pointer; transition: background-color 0.25s; }
.d-close:hover, .d-close:focus-visible { background: var(--green); outline: none; }

/* Aparición */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.9s ease, transform 1s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* Celular */
@media (max-width: 900px) {
    body { font-size: 16px; }
    .nav, .top > .btn { display: none; }
    .menu-btn { display: grid; gap: 7px; margin-left: auto; width: 44px; height: 44px; place-content: center; border: 1px solid currentColor; background: transparent; color: inherit; cursor: pointer; }
    .menu-btn span { display: block; width: 18px; height: 1px; background: currentColor; transition: transform 0.3s; }
    .menu-btn[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
    .menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
    .menu:not([hidden]) { position: fixed; inset: 0; z-index: 90; display: grid; align-content: center; padding: 0 var(--pad); background: var(--night); }
    .menu a { padding: 12px 0; font-family: var(--serif); font-size: 2.4rem; color: var(--bone); text-decoration: none; border-bottom: 1px solid var(--line-dark); }
    .top:has(.menu-btn[aria-expanded="true"]) { background: transparent; color: var(--bone); box-shadow: none; }
    .hero { justify-content: flex-end; padding-bottom: 24px; }
    .hero-in { margin-left: var(--pad); }
    .search { grid-template-columns: 1fr 1fr; margin: 36px var(--pad) 0; width: auto; }
    .search label:nth-child(2) { border-right: 0; }
    .search label:nth-child(3) { grid-column: span 2; border-right: 0; border-top: 1px solid var(--line); }
    .search .btn { grid-column: span 2; padding-block: 18px; }
    .grid { grid-template-columns: 1fr; }
    .tasaciones, .contacto { grid-template-columns: 1fr; }
    .tas-photo { aspect-ratio: 4 / 3; }
    .form .row { grid-template-columns: 1fr; }
    .info { grid-template-columns: 1fr; }
    .detail[open] { grid-template-columns: 1fr; }
    .d-img { min-height: 0; aspect-ratio: 4 / 3; }
}
@media (min-width: 901px) and (max-width: 1100px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .reveal { opacity: 1; transform: none; }
    .preloader { display: none; }
    html { scroll-behavior: auto; }
}