/* VISTA Obra · landing. Blanco y negro, esquinas rectas, un solo acento: arena. */
:root { --negro: #0A0A0A; --tinta-2: #4A4A4A; --tinta-3: #7A7A7A; --linea: #E4E4E4; --hueso: #F6F4F0; --gris: #F3F3F3; --arena: #C9B48F; --arena-2: #E9DFCB; --arena-o: #8C7550; --selva: #1F4D3A; --alerta: #8A1C1C; --sans: "Space Grotesk", "Helvetica Neue", Arial, sans-serif; --serif: "Instrument Serif", "Times New Roman", serif; --max: 1180px; }
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); color: var(--negro); background: #fff; font-size: 17px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; }
.s { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: 0; text-transform: none; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.kicker { font-size: 12px; letter-spacing: .3em; text-transform: uppercase; font-weight: 600; color: var(--arena-o); }
.oscuro .kicker { color: var(--arena); }
h1, h2, h3 { font-weight: 500; letter-spacing: -.02em; text-transform: uppercase; line-height: .98; }
h1 { font-size: clamp(44px, 7.4vw, 92px); } h1 .s { font-size: 1.1em; color: var(--arena-2); }
h2 { font-size: clamp(32px, 4.6vw, 56px); margin: 14px 0 18px; } h2 .s { font-size: 1.1em; color: var(--arena-o); }
.oscuro h2 .s { color: var(--arena-2); }
h3 { font-size: 21px; letter-spacing: .02em; line-height: 1.15; }
.lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--tinta-2); max-width: 680px; }
.oscuro .lead { color: #CFCFCF; }
section { padding: clamp(64px, 9vw, 120px) 0; }
.oscuro { background: var(--negro); color: #fff; }
.hueso { background: var(--hueso); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 26px; border: 2px solid var(--negro); font: 600 13px/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; text-decoration: none; cursor: pointer; background: transparent; color: var(--negro); transition: background .15s, color .15s; }
.btn.lleno { background: var(--negro); color: #fff; } .btn.lleno:hover { background: #333; }
.btn:hover { background: var(--gris); }
.oscuro .btn { border-color: #fff; color: #fff; } .oscuro .btn:hover { background: rgba(255,255,255,.1); }
.oscuro .btn.lleno { background: #fff; color: var(--negro); } .oscuro .btn.lleno:hover { background: var(--arena-2); }
.btn.arena { background: var(--arena); border-color: var(--arena); color: var(--negro); }
/* Cabecera */
header.top { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.94); backdrop-filter: blur(10px); border-bottom: 1px solid var(--linea); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }
header.top img { height: 18px; width: auto; }
header.top nav { display: flex; gap: 26px; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; }
header.top nav a { text-decoration: none; color: var(--tinta-2); } header.top nav a:hover { color: var(--negro); }
header.top .btn { min-height: 42px; padding: 0 18px; font-size: 12px; }
@media (max-width: 860px) { header.top nav { display: none; } }
/* Hero */
.hero { position: relative; color: #fff; background: var(--negro); overflow: hidden; padding: 0; }
.hero .bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.05); opacity: .5; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.35), rgba(0,0,0,.2) 40%, rgba(0,0,0,.92)); }
.hero .wrap { position: relative; z-index: 2; display: grid; grid-template-columns: 1.25fr .75fr; gap: 40px; align-items: end; min-height: min(92vh, 900px); padding-top: 120px; padding-bottom: 72px; }
.hero .lead { color: #E3E3E3; margin: 26px 0 34px; }
.hero .ctas { display: flex; flex-wrap: wrap; gap: 14px; }
.hero .btn { border-color: #fff; color: #fff; } .hero .btn:hover { background: rgba(255,255,255,.12); }
.hero .btn.lleno { background: #fff; color: var(--negro); } .hero .btn.lleno:hover { background: var(--arena-2); }
.hero .nota { margin-top: 20px; font-size: 13px; color: rgba(255,255,255,.65); letter-spacing: .04em; }
.tel { background: #0B0B0B; border-radius: 46px; padding: 11px; box-shadow: 0 40px 100px rgba(0,0,0,.5); }
.tel img { border-radius: 36px; aspect-ratio: 393/852; object-fit: cover; object-position: top; width: 100%; background: #fff; }
.hero .tel { width: min(320px, 100%); justify-self: end; transform: rotate(3deg); margin-bottom: -150px; }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; min-height: auto; padding-top: 72px; } .hero .tel { justify-self: center; width: 230px; margin-bottom: -60px; } }
/* Datos */
.datos { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 2px solid var(--negro); margin-top: 48px; }
.dato { padding: 30px 26px 0 0; } .dato + .dato { padding-left: 26px; border-left: 1px solid var(--linea); }
.dato .n { font-size: clamp(44px, 6vw, 72px); font-weight: 500; letter-spacing: -.04em; line-height: 1; }
.dato p { color: var(--tinta-2); margin-top: 10px; font-size: 16px; }
.dato small { display: block; color: var(--tinta-3); font-size: 12px; margin-top: 10px; }
@media (max-width: 760px) { .datos { grid-template-columns: 1fr; } .dato + .dato { padding-left: 0; border-left: 0; border-top: 1px solid var(--linea); margin-top: 26px; } }
/* Pasos */
.pasos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin-top: 56px; }
.paso .tel { margin-bottom: 22px; max-width: 250px; }
.paso .n { font-size: 13px; letter-spacing: .26em; color: var(--arena-o); font-weight: 700; }
.paso h3 { margin: 6px 0 8px; } .paso p { color: var(--tinta-2); font-size: 15.5px; }
@media (max-width: 960px) { .pasos { grid-template-columns: 1fr 1fr; } } @media (max-width: 560px) { .pasos { grid-template-columns: 1fr; } .paso .tel { max-width: 220px; } }
/* Segmentos */
.segmentos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 48px; border: 1px solid var(--linea); }
.segmento { padding: 34px 30px; } .segmento + .segmento { border-left: 1px solid var(--linea); }
.segmento .k { font-size: 12px; letter-spacing: .26em; text-transform: uppercase; color: var(--arena-o); font-weight: 700; }
.segmento h3 { margin: 10px 0 12px; } .segmento p { color: var(--tinta-2); font-size: 15.5px; }
.segmento ul { margin-top: 16px; list-style: none; display: grid; gap: 8px; font-size: 15px; }
.segmento li::before { content: "→ "; color: var(--arena-o); }
@media (max-width: 860px) { .segmentos { grid-template-columns: 1fr; } .segmento + .segmento { border-left: 0; border-top: 1px solid var(--linea); } }
/* Constructoras */
.lado { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.pc { border: 2px solid #fff; background: #fff; box-shadow: 22px 22px 0 rgba(201,180,143,.45); }
.pc .nav { height: 30px; display: flex; gap: 7px; align-items: center; padding: 0 12px; background: var(--gris); border-bottom: 1px solid var(--linea); }
.pc .nav i { width: 9px; height: 9px; border-radius: 50%; background: #CFCFCF; } .pc .nav span { margin-left: 10px; font-size: 11px; color: var(--tinta-3); }
.check { list-style: none; display: grid; gap: 14px; margin: 26px 0 30px; }
.check li { padding-left: 32px; position: relative; } .check li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 22px; height: 22px; border: 2px solid var(--arena); color: var(--arena); font-size: 13px; display: grid; place-items: center; font-weight: 700; }
.oferta { border: 1px solid rgba(255,255,255,.25); padding: 22px 24px; margin-bottom: 26px; }
.oferta b { color: var(--arena); letter-spacing: .2em; font-size: 12px; text-transform: uppercase; display: block; margin-bottom: 6px; }
@media (max-width: 960px) { .lado { grid-template-columns: 1fr; } }
/* Confianza */
.confianza { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 48px; }
.caja { background: #fff; border: 1px solid var(--linea); padding: 28px; }
.caja .k { font-size: 12px; letter-spacing: .26em; color: var(--arena-o); font-weight: 700; text-transform: uppercase; }
.caja h3 { margin: 10px 0 10px; } .caja p { color: var(--tinta-2); font-size: 15.5px; }
@media (max-width: 860px) { .confianza { grid-template-columns: 1fr; } }
/* Precios */
.precios { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 48px; border: 1px solid var(--linea); }
.plan { padding: 30px 26px; display: flex; flex-direction: column; } .plan + .plan { border-left: 1px solid var(--linea); }
.plan.destacado { background: var(--negro); color: #fff; }
.plan .k { font-size: 12px; letter-spacing: .26em; text-transform: uppercase; font-weight: 700; color: var(--arena-o); } .plan.destacado .k { color: var(--arena); }
.plan .precio { font-size: 40px; font-weight: 500; letter-spacing: -.03em; margin: 14px 0 2px; } .plan .precio small { display: block; margin-top: 6px; font-size: 13px; letter-spacing: 0; color: var(--tinta-3); font-weight: 400; }
.plan.destacado .precio small { color: #BDBDBD; }
.plan p { font-size: 14.5px; color: var(--tinta-2); margin-top: 6px; } .plan.destacado p { color: #CFCFCF; }
.plan ul { list-style: none; margin: 18px 0 24px; display: grid; gap: 8px; font-size: 14.5px; flex: 1; }
.plan li::before { content: "· "; color: var(--arena-o); font-weight: 700; }
.plan .btn { width: 100%; }
@media (max-width: 1000px) { .precios { grid-template-columns: 1fr 1fr; } .plan:nth-child(3) { border-left: 0; } .plan:nth-child(n+3) { border-top: 1px solid var(--linea); } }
@media (max-width: 600px) { .precios { grid-template-columns: 1fr; } .plan + .plan { border-left: 0; border-top: 1px solid var(--linea); } }
/* FAQ */
.faq { margin-top: 40px; border-top: 2px solid var(--negro); }
.faq details { border-bottom: 1px solid var(--linea); padding: 22px 0; }
.faq summary { cursor: pointer; font-size: 19px; font-weight: 500; list-style: none; display: flex; justify-content: space-between; gap: 20px; }
.faq summary::after { content: "+"; font-size: 26px; line-height: 1; color: var(--arena-o); } .faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: 12px; color: var(--tinta-2); max-width: 820px; }
/* Formulario */
.form-wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; }
form.lista { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
form.lista label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: #BDBDBD; }
form.lista .full { grid-column: 1 / -1; }
form.lista input, form.lista select, form.lista textarea { font: 400 16px var(--sans); color: #fff; background: transparent; border: 1px solid rgba(255,255,255,.35); padding: 13px 14px; letter-spacing: 0; text-transform: none; border-radius: 0; }
form.lista select option { color: var(--negro); }
form.lista input:focus, form.lista select:focus, form.lista textarea:focus { outline: 2px solid var(--arena); outline-offset: 0; border-color: var(--arena); }
form.lista textarea { min-height: 96px; resize: vertical; }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.estado { grid-column: 1 / -1; font-size: 15px; min-height: 22px; }
.estado.ok { color: var(--arena-2); } .estado.error { color: #F2A3A3; }
.legal-form { grid-column: 1 / -1; font-size: 12.5px; color: #9A9A9A; }
@media (max-width: 860px) { .form-wrap { grid-template-columns: 1fr; } form.lista { grid-template-columns: 1fr; } }
/* Pie */
footer { background: var(--negro); color: #BDBDBD; padding: 56px 0 40px; font-size: 14px; border-top: 1px solid #222; }
footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
footer img { height: 20px; width: auto; margin-bottom: 16px; }
footer h4 { font-size: 12px; letter-spacing: .26em; text-transform: uppercase; color: #fff; margin-bottom: 12px; font-weight: 600; }
footer a { display: block; text-decoration: none; padding: 3px 0; } footer a:hover { color: #fff; }
footer .creditos { grid-column: 1 / -1; border-top: 1px solid #222; padding-top: 20px; font-size: 11.5px; color: #777; }
@media (max-width: 760px) { footer .wrap { grid-template-columns: 1fr; } }
.pequeno { font-size: 13px; color: var(--tinta-3); }