/* Umbral demo. Concrete paper, graphite ink, one shutter green. See PROJECT.md. */
:root {
  --hormigon: #D6D4CF;
  --hormigon-claro: #E7E5E1;
  --grafito: #25292D;
  --tinta-2: #4F5357;
  --persiana: #2E5A4C;
  --persiana-osc: #24483D;
  --coralina: #B9A483;
  --linea: #8C8983;
  --sans: "Schibsted Grotesk", "Helvetica Neue", Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --gut: clamp(16px, 4vw, 56px);
  --max: 1440px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 12px; }
body {
  margin: 0;
  background: var(--hormigon);
  color: var(--grafito);
  font: 400 1.0625rem/1.55 var(--sans);
  font-feature-settings: "ss01";
  overflow-x: clip;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -0.022em; line-height: 1.04; text-wrap: balance; }
p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--persiana); outline-offset: 3px; }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 8px; top: -60px; z-index: 50; background: var(--grafito); color: var(--hormigon-claro); padding: 12px 16px; }
.skip:focus { top: 8px; }

/* ---------- buttons & links ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 12px 22px;
  background: var(--grafito); color: var(--hormigon-claro);
  border: 1px solid var(--grafito); border-radius: 2px;
  font-weight: 600; text-decoration: none; cursor: pointer;
  transition: background-color .2s, color .2s;
}
.btn:hover { background: #3a3f44; }
.btn--green { background: var(--persiana); border-color: var(--persiana); color: #fff; }
.btn--green:hover { background: var(--persiana-osc); }
.btn--ghost { background: transparent; color: var(--grafito); }
.btn--ghost:hover { background: var(--grafito); color: var(--hormigon-claro); }
.btn--light { background: var(--hormigon-claro); border-color: var(--hormigon-claro); color: var(--grafito); }
.btn--light:hover { background: #fff; }
.link {
  display: inline-flex; align-items: center; min-height: 44px;
  background: none; border: 0; padding: 0; cursor: pointer;
  font-weight: 600; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .28em;
}
.link:hover { text-decoration-thickness: 2px; }

/* ---------- ribbon + header ---------- */
.ribbon { background: var(--grafito); color: var(--hormigon-claro); font-size: .8125rem; text-align: center; padding: 0 var(--gut); }
.ribbon a { display: inline-block; padding: 9px 0; text-decoration: underline; text-underline-offset: .25em; text-decoration-color: var(--linea); }
.ribbon a:focus-visible { outline-color: var(--coralina); }

.head {
  max-width: var(--max); margin: 0 auto; padding: 14px var(--gut);
  display: flex; align-items: center; gap: 24px; border-bottom: 1px solid rgba(37, 41, 45, .25);
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; min-height: 44px; }
.brand__mark { width: 30px; height: 30px; fill: none; stroke: currentColor; }
.brand__mark .m-wall { stroke-width: 3.2; }
.brand__mark .m-leaf { stroke-width: 2; }
.brand__mark .m-arc { stroke-width: 1.2; }
.brand__word { font-weight: 700; font-size: 1.375rem; letter-spacing: -0.03em; }
.head__nav { display: flex; gap: 26px; margin-left: auto; }
.head__nav a { text-decoration: none; font-size: .975rem; min-height: 44px; display: inline-flex; align-items: center; }
.head__nav a:hover { text-decoration: underline; text-underline-offset: .3em; }
.langs { display: flex; gap: 2px; }
.langs button {
  min-width: 44px; min-height: 44px; background: none; border: 1px solid transparent; border-radius: 2px;
  font: 500 .8125rem var(--mono); cursor: pointer; color: var(--tinta-2);
}
.langs button[aria-pressed="true"] { border-color: var(--grafito); color: var(--grafito); }

/* ---------- build (hero + tower) ---------- */
.build { max-width: var(--max); margin: 0 auto; padding: 0 var(--gut); }
.build__copy { padding: clamp(36px, 7vw, 72px) 0 28px; }
.build h1 { font-size: clamp(2.3rem, 1.1rem + 4vw, 4.4rem); font-weight: 680; letter-spacing: -0.034em; line-height: .98; max-width: 13ch; }
.lede { margin-top: 22px; max-width: 40ch; font-size: clamp(1.05rem, 1rem + .3vw, 1.2rem); color: var(--tinta-2); }
.build__actions { margin-top: 30px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; }
.build__note { margin-top: 34px; max-width: 36ch; font-size: .9rem; color: var(--tinta-2); padding-left: 14px; border-left: 2px solid var(--persiana); }

.build__stage { position: relative; display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto 1fr auto; gap: 0 12px; padding-bottom: 20px; }
.steps { grid-column: 1 / -1; list-style: none; margin: 0; padding: 0; display: flex; gap: 6px 22px; flex-wrap: wrap; font-size: .9rem; }
.steps li { display: inline-flex; gap: 8px; align-items: baseline; color: var(--grafito); }
.steps__n { font: 500 .8rem var(--mono); }
.gl .steps li { color: var(--tinta-2); opacity: .7; transition: opacity .3s; }
.gl .steps li.is-on { color: var(--grafito); opacity: 1; font-weight: 600; }
.steps__hint { display: none; grid-column: 1 / -1; margin-top: 6px; font-size: .82rem; color: var(--tinta-2); align-items: center; gap: 10px; }
.steps__bar { width: 56px; height: 1px; background: rgba(37, 41, 45, .3); position: relative; overflow: hidden; }
.steps__bar span { position: absolute; inset: 0; background: var(--grafito); transform-origin: left; transform: scaleX(.25); }
.build[data-step="2"] .steps__bar span { transform: scaleX(.5); }
.build[data-step="3"] .steps__bar span { transform: scaleX(.75); }
.build[data-step="4"] .steps__bar span { transform: scaleX(1); }

.view { position: relative; grid-column: 1; grid-row: 3; min-height: 360px; }
.gl .view { grid-column: 1 / -1; }
.view__gl { position: absolute; inset: 0; width: 100%; height: 100%; display: none; touch-action: pan-y; }
.view__poster { display: flex; align-items: center; justify-content: center; height: 100%; padding: 12px 0; }
.poster { width: min(100%, 440px); height: auto; max-height: 64vh; }
.poster path { stroke: var(--grafito); stroke-width: .045; stroke-linejoin: round; }
.po-t { fill: var(--hormigon-claro); }
.po-r { fill: #B9B6B0; }
.po-f { fill: #D0CEC9; }
.po-slab.po-t { fill: #C4C1BB; }
.po-glass { fill: #9FB0AA; fill-opacity: .45; }
.js .po-floor { cursor: pointer; }
.po-floor.is-on .po-t, .po-floor.is-on .po-f { fill: var(--persiana); }
.po-floor.is-on .po-r { fill: var(--persiana-osc); }
.po-floor.is-on path { stroke: var(--hormigon-claro); }

.gl .view__gl { display: block; }
.gl-ready .view__poster { visibility: hidden; }

.lift { display: none; grid-column: 2; grid-row: 3; align-self: center; position: relative; z-index: 2; flex-direction: column; gap: 4px; }
.js .lift { display: flex; }
.lift__cap { font-size: .75rem; color: var(--tinta-2); text-align: center; margin-bottom: 2px; }
.lift button {
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--grafito); background: transparent;
  font: 500 .95rem var(--mono); cursor: pointer; transition: background-color .15s, color .15s;
}
.lift button:hover, .lift button.is-hover { background: var(--hormigon-claro); }
.lift button[aria-pressed="true"] { background: var(--persiana); border-color: var(--persiana); color: #fff; }

.card { display: none; grid-column: 1 / -1; grid-row: 4; background: var(--hormigon-claro); border: 1px solid var(--grafito); padding: 16px 18px; }
.js .card { display: block; }
.card__empty { color: var(--tinta-2); font-size: .95rem; }
.card__code { font: 500 .85rem var(--mono); display: flex; justify-content: space-between; }
.card__floor { color: var(--tinta-2); font-family: var(--sans); font-weight: 400; }
.card__hood { font-size: 1.6rem; margin-top: 6px; }
.card__street { color: var(--tinta-2); font-size: .92rem; margin-top: 2px; }
.card__facts { display: flex; gap: 22px; margin: 12px 0 0; }
.card__facts div { display: flex; flex-direction: column-reverse; }
.card__facts dt { font-size: .78rem; color: var(--tinta-2); }
.card__facts dd { white-space: nowrap; margin: 0; font: 500 1.7rem/1.05 var(--sans); font-variant-numeric: tabular-nums; letter-spacing: -.03em; }
.card__price { margin-top: 10px; font: 600 1.3rem var(--sans); letter-spacing: -.02em; }
.card__op { font: 400 .9rem var(--sans); color: var(--tinta-2); letter-spacing: 0; }
.card__actions { margin-top: 12px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; }

/* tall scroll track only when the 3D runs and motion is allowed */
.gl .build__stage { height: 100svh; min-height: 560px; padding-top: 14px; }
@media (prefers-reduced-motion: no-preference) {
  .gl .build__track { height: 360vh; }
  .gl .build__stage { position: sticky; top: 0; }
  .gl .steps__hint { display: flex; }
}

@media (min-width: 960px) {
  .build { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 0 clamp(24px, 3vw, 48px); }
  .build h1 { font-size: clamp(2.4rem, 0.9rem + 3.1vw, 4.1rem); }
  .build__copy { padding: clamp(48px, 8vh, 96px) 0 48px; align-self: start; }
  .gl .build__copy { position: sticky; top: 0; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; }
  .build__stage { grid-template-columns: minmax(0, 1fr) 280px auto; grid-template-rows: auto auto 1fr; gap: 0 18px; padding-top: 28px; }
  .lift { grid-column: 3; }
  .gl .view { grid-column: 1 / 3; }
  .card { position: relative; z-index: 2; }
  .card { grid-column: 2; grid-row: 3; align-self: center; }
  .view { min-height: 520px; }
}

/* ---------- paths ---------- */
.paths { display: grid; margin-top: clamp(40px, 6vw, 80px); }
.path { padding: clamp(40px, 6vw, 88px) var(--gut); display: flex; flex-direction: column; gap: 22px; align-items: flex-start; }
.path h2 { font-size: clamp(1.8rem, 1.2rem + 2.2vw, 3rem); max-width: 16ch; }
.path > p:not(.figure) { max-width: 46ch; }
.path--seek { background: var(--hormigon-claro); }
.path--own { background: var(--persiana); color: #F1F0ED; }
.path--own :focus-visible { outline-color: var(--hormigon-claro); }
.figure { display: grid; gap: 8px; margin: 10px 0 6px; }
.figure__n { font: 500 clamp(3.6rem, 2rem + 6.4vw, 8rem)/.88 var(--sans); letter-spacing: -.055em; white-space: nowrap; }
.figure__n small { font-size: .34em; font-weight: 600; letter-spacing: -.01em; vertical-align: .95em; margin-right: .12em; }
.figure__l { max-width: 32ch; font-size: .98rem; }
.path--seek .figure__l { color: var(--tinta-2); }
@media (min-width: 860px) {
  .paths { grid-template-columns: 1fr 1fr; }
  .path--own { padding-top: clamp(80px, 10vw, 140px); }
}

/* ---------- units ---------- */
.units { max-width: var(--max); margin: 0 auto; padding: clamp(56px, 8vw, 120px) var(--gut); display: grid; gap: 36px; }
.units__head h2 { font-size: clamp(1.9rem, 1.2rem + 2.4vw, 3.1rem); max-width: 14ch; }
.units__head > p { margin-top: 16px; max-width: 40ch; color: var(--tinta-2); }
.scalebar { width: 120px; margin-top: 22px; fill: none; stroke: var(--grafito); stroke-width: 1; overflow: visible; }
.scalebar text { fill: var(--tinta-2); stroke: none; font: 400 6px var(--mono); }
.units__head > p.units__fict { margin-top: 10px; font-size: .85rem; }
.filters { margin-top: 26px; display: grid; gap: 12px; }
.filters__group { display: flex; flex-wrap: wrap; gap: 6px; }
.filters button {
  min-height: 44px; padding: 8px 14px; background: transparent; border: 1px solid rgba(37, 41, 45, .4);
  border-radius: 22px; cursor: pointer; font-size: .92rem;
}
.filters button:hover { border-color: var(--grafito); }
.filters button[aria-pressed="true"] { background: var(--grafito); border-color: var(--grafito); color: var(--hormigon-claro); }
.filters__count { font: 400 .85rem var(--mono); color: var(--tinta-2); }

.sheets { display: grid; gap: 22px; align-content: start; }
.sheet { background: var(--hormigon-claro); border: 1px solid var(--grafito); display: grid; grid-template-rows: auto 1fr; }
.sheet[hidden] { display: none; }
.sheet__plan { border-bottom: 1px solid var(--grafito); padding: 8px; }
.plan { width: 100%; height: auto; }
.pl-floor { fill: #F1F0ED; }
.pl-wall { fill: var(--grafito); }
.pl-win { fill: #F1F0ED; stroke: var(--grafito); stroke-width: .035; }
.pl-glass { stroke: var(--grafito); stroke-width: .035; fill: none; }
.pl-door { fill: none; stroke: var(--grafito); stroke-width: .045; }
.pl-fix { fill: none; stroke: var(--linea); stroke-width: .045; }
.pl-terrace { fill: rgba(185, 164, 131, .22); stroke: var(--coralina); stroke-width: .06; }
.sheet__tb { display: grid; grid-template-columns: 1fr 1fr; }
.sheet__tb > * { padding: 12px 16px; border-bottom: 1px solid rgba(37, 41, 45, .25); }
.sheet__code { grid-column: 1 / -1; font: 500 .85rem var(--mono); display: flex; justify-content: space-between; gap: 10px; }
.sheet__code span { font-family: var(--sans); font-weight: 400; color: var(--tinta-2); }
.sheet h3 { grid-column: 1 / -1; font-size: 1.55rem; padding-bottom: 0; border: 0; }
.sheet__street { grid-column: 1 / -1; color: var(--tinta-2); font-size: .92rem; padding-top: 2px; }
.sheet__facts { grid-column: 1 / -1; margin: 0; display: flex; gap: 22px; align-items: flex-end; }
.sheet__facts div { display: flex; flex-direction: column-reverse; }
.sheet__facts dt { font-size: .78rem; color: var(--tinta-2); }
.sheet__facts dd { margin: 0; font: 500 1.7rem/1 var(--sans); font-variant-numeric: tabular-nums; letter-spacing: -.03em; }
.sheet__m2 { margin-right: auto; }
.sheet__m2 dd { font: 500 clamp(3rem, 2rem + 2.6vw, 4.2rem)/.9 var(--sans); font-variant-numeric: tabular-nums; letter-spacing: -.05em; }
.sheet__m2 dd span { font-size: .36em; letter-spacing: 0; font-weight: 400; }
.sheet__price { grid-column: 1 / -1; font: 600 1.35rem var(--sans); letter-spacing: -.02em; }
.sheet__price span { font: 400 .9rem var(--sans); color: var(--tinta-2); letter-spacing: 0; }
.sheet__note { grid-column: 1 / -1; font-size: .95rem; }
.sheet__actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; border-bottom: 0; padding-bottom: 16px; }
.sheets__empty { padding: 24px; border: 1px dashed var(--grafito); max-width: 50ch; }

@media (min-width: 720px) { .sheets { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) {
  .units { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(32px, 4vw, 64px); }
  .units__head { position: sticky; top: 24px; align-self: start; }
  .sheets .sheet:nth-child(even) { margin-top: 64px; margin-bottom: -64px; }
  .sheets { padding-bottom: 64px; }
}

/* ---------- owners ---------- */
.owners {
  background: var(--grafito); color: #ECEAE6;
  padding: clamp(64px, 9vw, 130px) var(--gut);
  display: grid; gap: clamp(36px, 5vw, 64px);
}
.owners > * { max-width: calc(var(--max) - 2 * var(--gut)); }
.owners :focus-visible { outline-color: var(--coralina); }
.owners h2 { font-size: clamp(1.9rem, 1.1rem + 2.9vw, 3.6rem); max-width: 20ch; }
.owners__lede { margin-top: 20px; max-width: 52ch; color: #C9C7C2; font-size: 1.08rem; }
.process { list-style: none; margin: 0; padding: 0; display: grid; gap: 28px; }
.process li { align-content: start; border-top: 1px solid rgba(236, 234, 230, .3); padding-top: 16px; display: grid; grid-template-columns: 2.2rem 1fr; gap: 4px 12px; }
.process__n { font: 400 1.1rem var(--mono); color: var(--coralina); grid-row: span 2; }
.process h3 { font-size: 1.2rem; }
.process p { color: #C9C7C2; max-width: 44ch; }

.statement { margin: 0; justify-self: start; }
.statement__paper {
  background: var(--hormigon-claro); color: var(--grafito); padding: 22px 22px 18px; width: min(100%, 420px);
  transform: rotate(-1.2deg); box-shadow: 0 1px 0 rgba(0,0,0,.2), 8px 10px 0 rgba(0, 0, 0, .18);
}
.statement__head { display: flex; justify-content: space-between; gap: 12px; font-size: .9rem; border-bottom: 2px solid var(--grafito); padding-bottom: 10px; }
.statement__head span:first-child { font-weight: 700; letter-spacing: -.02em; }
.statement__unit { font: 500 .85rem var(--mono); margin: 12px 0 6px; color: var(--tinta-2); }
.statement table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.statement th { text-align: left; font-weight: 400; padding: 8px 10px 8px 0; border-bottom: 1px solid rgba(37, 41, 45, .2); }
.statement td { text-align: right; font-family: var(--mono); white-space: nowrap; padding: 8px 0; border-bottom: 1px solid rgba(37, 41, 45, .2); }
.statement tfoot th, .statement tfoot td { font-weight: 600; border-bottom: 0; padding-top: 12px; }
.statement tfoot td { font-weight: 500; color: var(--persiana); }
.statement figcaption { margin-top: 18px; font-size: .85rem; color: #BDBBB6; }

.owners__fee { display: grid; gap: 14px; align-content: start; justify-items: start; }
.owners__pct { font: 500 clamp(5.5rem, 3rem + 10vw, 12rem)/.8 var(--sans); letter-spacing: -.06em; color: var(--coralina); white-space: nowrap; }
.owners__fee p:not(.owners__pct) { max-width: 34ch; color: #DAD8D3; }

@media (min-width: 980px) {
  .owners { grid-template-columns: repeat(12, minmax(0, 1fr)); margin: 0 auto; }
  .owners__head { grid-column: 1 / 10; }
  .process { grid-column: 1 / 8; grid-template-columns: 1fr 1fr; gap: 36px 40px; }
  .statement { grid-column: 8 / 13; grid-row: 2 / 4; align-self: start; justify-self: end; }
  .owners__fee { grid-column: 1 / 8; grid-template-columns: auto 1fr; align-items: end; column-gap: 28px; }
  .owners__fee .btn { grid-column: 2; }
}

/* ---------- contact ---------- */
.contact { max-width: var(--max); margin: 0 auto; padding: clamp(56px, 8vw, 120px) var(--gut); display: grid; gap: 40px; }
.contact h2 { font-size: clamp(2rem, 1.2rem + 2.6vw, 3.4rem); }
.contact__intro > p { margin-top: 14px; max-width: 38ch; color: var(--tinta-2); }
.contact__info { margin: 28px 0 0; display: grid; gap: 16px; }
.contact__info dt { font-size: .82rem; color: var(--tinta-2); }
.contact__info dd { margin: 2px 0 0; }
.contact__info a { display: inline-block; padding: 10px 0; margin: -10px 0; }
.form { display: grid; gap: 16px; background: var(--hormigon-claro); border: 1px solid var(--grafito); padding: clamp(18px, 3vw, 32px); align-content: start; }
.form__demo { font-size: .88rem; padding: 10px 12px; border-left: 2px solid var(--persiana); background: rgba(46, 90, 76, .08); }
.field { display: grid; gap: 6px; font-size: .9rem; }
.field input, .field select, .field textarea {
  width: 100%; min-height: 46px; padding: 10px 12px; font-size: 1rem;
  background: #F4F3F0; border: 1px solid rgba(37, 41, 45, .55); border-radius: 2px;
}
.field textarea { resize: vertical; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline-offset: 1px; }
.form__send { display: flex; flex-wrap: wrap; gap: 10px; }
@media (min-width: 900px) {
  .contact { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 5vw, 80px); }
  .form { grid-template-columns: 1fr 1fr; }
  .form__demo, .field--wide, .form__send { grid-column: 1 / -1; }
}

/* ---------- footer ---------- */
.foot {
  max-width: var(--max); margin: 0 auto; padding: 36px var(--gut) 48px; border-top: 1px solid rgba(37, 41, 45, .3);
  display: grid; gap: 12px; font-size: .92rem; color: var(--tinta-2);
}
.foot .brand { color: var(--grafito); }
.foot__small { font: 400 .8rem var(--mono); }
@media (min-width: 900px) { .foot { grid-template-columns: auto 1fr auto auto; align-items: center; gap: 32px; } }

/* ---------- mobile header ---------- */
@media (max-width: 759px) {
  .head { flex-wrap: wrap; gap: 4px 12px; padding-bottom: 6px; }
  .langs { margin-left: auto; }
  .head__nav { order: 3; width: 100%; margin: 0; gap: 18px; overflow-x: auto; font-size: .92rem; scrollbar-width: none; }
  .head__nav a { white-space: nowrap; }
  .gl .build__stage { grid-template-rows: auto auto 1fr auto; }
  .card { padding: 12px 14px; }
  .card__hood { font-size: 1.3rem; }
  .card__facts dd { font-size: 1.25rem; }
  .card__actions .btn { min-height: 44px; padding: 10px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- 404 ---------- */
.nf { max-width: 760px; margin: 0 auto; padding: clamp(48px, 10vw, 120px) var(--gut); display: grid; gap: 22px; }
.nf h1 { font-size: clamp(2.2rem, 1.4rem + 3vw, 3.8rem); }
.nf__plan { width: min(100%, 360px); fill: none; stroke: var(--grafito); }
.build[data-step="4"] .steps__hint { visibility: hidden; }
.card__facts dd small { font-size: .55em; font-weight: 400; letter-spacing: 0; }
.brand + .langs { margin-left: auto; }