:root{
  --verde:#3FB02E; --verde-osc:#2E7D22; --verde-suave:#E9F5E5;
  --madera:#8C5A2B; --crema:#F6F3EE; --carbon:#232323; --gris:#9FA2A3; --gris-suave:#E6E3DD; --blanco:#FFFFFF;
  --radio:16px; --sombra:0 10px 30px rgba(0,0,0,.08);
  --font-titulo:'Jost',sans-serif; --font-texto:'Inter','Segoe UI',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-texto);color:var(--carbon);background:var(--crema);line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-titulo);font-weight:500;line-height:1.1;letter-spacing:-.01em}
h2{font-size:clamp(28px,4vw,42px)}
h3{font-size:22px}
.wrap{width:min(1180px,92vw);margin:0 auto}
section{padding:80px 0;scroll-margin-top:70px}
.kicker{font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--verde-osc);font-weight:600;margin-bottom:12px}
.sub{color:#555;font-size:18px;max-width:640px;margin-top:14px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:999px;font-weight:600;font-size:15px;border:2px solid transparent;cursor:pointer;transition:.2s;font-family:var(--font-texto)}
.btn-verde{background:var(--verde);color:#fff}
.btn-verde:hover{background:var(--verde-osc)}
.btn-blanco{background:#fff;color:var(--carbon);border-color:#fff}
.btn-blanco:hover{background:var(--crema)}
.btn-linea{border-color:var(--carbon);color:var(--carbon);background:transparent}
.btn-linea:hover{background:var(--carbon);color:#fff}
.btn-wa{background:#25D366;color:#fff}
.btn-wa:hover{background:#1DA851}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;padding:14px 0;transition:.3s;color:#fff}
.nav.solid{background:rgba(246,243,238,.92);backdrop-filter:blur(12px);color:var(--carbon);box-shadow:0 1px 0 rgba(0,0,0,.06)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}
.nav .logo img{height:44px}
.nav .logo .blanco{display:block}.nav .logo .color{display:none}
.nav.solid .logo .blanco{display:none}.nav.solid .logo .color{display:block}
.nav ul{display:flex;gap:26px;list-style:none;font-size:14px;font-weight:500}
.nav ul a{opacity:.85}.nav ul a:hover{opacity:1}
.nav .btn{padding:10px 18px;font-size:14px}
.menu-btn{display:none;background:none;border:0;color:inherit;font-size:26px;cursor:pointer}
@media (max-width:700px){.hero .cred{display:none}}
@media (max-width:900px){
  .nav ul{display:none;position:absolute;top:100%;left:0;right:0;background:var(--crema);color:var(--carbon);flex-direction:column;gap:0;padding:10px 0;box-shadow:var(--sombra)}
  .nav ul.abierto{display:flex}
  .nav ul li a{display:block;padding:14px 5vw}
  .menu-btn{display:block}
  .nav .btn{display:none}
}

/* HERO */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;color:#fff;padding:0 0 70px;overflow:hidden}
.hero img.fondo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.72) 0%,rgba(0,0,0,.25) 50%,rgba(0,0,0,.35) 100%);z-index:-1}
.hero h1{font-size:clamp(40px,7vw,84px);font-weight:400;max-width:820px}
.hero h1 strong{font-weight:600;color:#fff}
.hero .sub{color:rgba(255,255,255,.88);font-size:clamp(17px,2vw,21px);max-width:620px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero .datos{display:flex;gap:28px;flex-wrap:wrap;margin-top:46px;padding-top:26px;border-top:1px solid rgba(255,255,255,.3)}
.hero .datos div{font-size:14px;color:rgba(255,255,255,.8)}
.hero .datos b{display:block;font-family:var(--font-titulo);font-size:30px;font-weight:500;color:#fff;line-height:1}
.hero .cred{position:absolute;right:4vw;bottom:18px;font-size:12px;color:rgba(255,255,255,.6)}

/* POR QUÉ */
.porque .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;margin-top:44px}
.tarjeta{background:#fff;border-radius:var(--radio);padding:30px 28px;box-shadow:var(--sombra)}
.tarjeta .ico{width:52px;height:52px;border-radius:14px;background:var(--verde-suave);display:grid;place-items:center;color:var(--verde-osc);margin-bottom:18px}
.tarjeta h3{margin-bottom:8px}
.tarjeta p{color:#555;font-size:15px}

/* MODELOS */
.modelos{background:#fff}
.modelos .lista{display:grid;gap:26px;margin-top:44px;grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.modelo{border-radius:var(--radio);overflow:hidden;background:var(--crema);box-shadow:var(--sombra);display:flex;flex-direction:column}
.modelo .foto{position:relative;aspect-ratio:16/10;overflow:hidden}
.modelo .foto img{width:100%;height:100%;object-fit:cover;transition:.5s}
.modelo:hover .foto img{transform:scale(1.04)}
.modelo .foto .tag{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.92);padding:6px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.06em}
.modelo .cuerpo{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.modelo h3{font-size:30px;font-weight:500}
.modelo h3 span{color:var(--verde);font-weight:600}
.modelo .metros{display:flex;gap:18px;font-size:14px;color:#555}
.modelo .metros b{color:var(--carbon);font-weight:600}
.modelo ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px;font-size:13px}
.modelo ul li{background:#fff;border:1px solid var(--gris-suave);padding:5px 10px;border-radius:999px}
.modelo .precio{margin-top:auto;padding-top:14px;border-top:1px solid var(--gris-suave);display:flex;align-items:center;justify-content:space-between;gap:12px}
.modelo .precio .v{font-family:var(--font-titulo);font-size:24px;font-weight:500}
.modelo .precio .v small{font-size:13px;color:#666;font-family:var(--font-texto);display:block;font-weight:400}
.modelo .acciones{display:flex;gap:10px;flex-wrap:wrap}
.modelo .acciones .btn{padding:10px 16px;font-size:14px}
.modelo .plantas{display:none;grid-template-columns:1fr 1fr;gap:10px}
.modelo.abierto .plantas{display:grid}
.modelo .plantas figure{background:#fff;border-radius:10px;overflow:hidden}
.modelo .plantas figcaption{font-size:12px;text-align:center;padding:6px;color:#555}

/* CONFIGURADOR */
.config{background:var(--carbon);color:#fff}
.config .kicker{color:var(--verde)}
.config .sub{color:rgba(255,255,255,.75)}
.config .panel{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;margin-top:44px;align-items:start}
@media (max-width:700px){.hero .cred{display:none}}
@media (max-width:900px){.config .panel{grid-template-columns:1fr}}
.paso{margin-bottom:34px}
.paso h4{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.6);margin-bottom:14px;font-family:var(--font-texto);font-weight:600}
.paso h4 span{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--verde);color:#fff;font-size:12px;margin-right:10px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{border:1.5px solid rgba(255,255,255,.25);background:rgba(255,255,255,.04);color:#fff;padding:10px 16px;border-radius:12px;cursor:pointer;font-size:14px;display:flex;align-items:center;gap:10px;transition:.15s;font-family:var(--font-texto)}
.chip:hover{border-color:rgba(255,255,255,.6)}
.chip.sel{border-color:var(--verde);background:rgba(63,176,46,.15)}
.chip .sw{width:22px;height:22px;border-radius:6px;border:1px solid rgba(0,0,0,.25);flex:none}
.chip small{display:block;font-size:11px;color:rgba(255,255,255,.55)}
.chip.modelo-chip{flex-direction:column;align-items:flex-start;min-width:120px;gap:2px}
.chip.modelo-chip b{font-family:var(--font-titulo);font-size:20px;font-weight:500}
.resumen{background:#fff;color:var(--carbon);border-radius:var(--radio);overflow:hidden;position:sticky;top:90px}
.resumen .foto{aspect-ratio:16/10;overflow:hidden;position:relative}
.resumen .foto img{width:100%;height:100%;object-fit:cover}
.resumen .foto .nombre{position:absolute;left:18px;bottom:14px;color:#fff;font-family:var(--font-titulo);font-size:34px;text-shadow:0 2px 14px rgba(0,0,0,.6)}
.resumen .cuerpo{padding:24px}
.resumen dl{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:14px}
.resumen dt{color:#777}.resumen dd{font-weight:500}
.resumen .total{margin:20px 0;padding:18px;background:var(--verde-suave);border-radius:12px}
.resumen .total .v{font-family:var(--font-titulo);font-size:30px;font-weight:500;color:var(--verde-osc)}
.resumen .total .n{font-size:13px;color:#4a6b42;margin-top:4px}
.resumen .acciones{display:grid;gap:10px}
.resumen .acciones .btn{justify-content:center}
.resumen .nota{font-size:12px;color:#777;margin-top:12px}

/* PERSONALIZA */
.personaliza .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;margin-top:44px}
.personaliza .tarjeta img{border-radius:10px;margin-bottom:16px;aspect-ratio:3/2;object-fit:cover;width:100%}
.personaliza .tarjeta .paleta{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 0}
.personaliza .tarjeta .paleta i{width:22px;height:22px;border-radius:6px;border:1px solid rgba(0,0,0,.15);display:block}

/* CASAS REALES */
.reales{background:#fff}
.reales .galeria{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:220px;gap:12px;margin-top:44px}
.reales .galeria figure{overflow:hidden;border-radius:12px;position:relative}
.reales .galeria img{width:100%;height:100%;object-fit:cover;transition:.5s}
.reales .galeria figure:hover img{transform:scale(1.05)}
.reales .galeria figure:nth-child(1){grid-column:span 2;grid-row:span 2}
.reales .galeria figure:nth-child(4){grid-column:span 2}
@media (max-width:700px){.reales .galeria{grid-template-columns:1fr 1fr;grid-auto-rows:160px}.reales .galeria figure:nth-child(1){grid-column:span 2}}
.reales .cita{margin-top:34px;padding:28px 32px;border-left:4px solid var(--verde);background:var(--crema);border-radius:0 var(--radio) var(--radio) 0;max-width:760px}
.reales .cita p{font-family:var(--font-titulo);font-size:22px;font-weight:400}
.reales .cita small{color:#666}

/* PROCESO */
.proceso ol{list-style:none;counter-reset:p;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-top:44px}
.proceso li{counter-increment:p;background:#fff;border-radius:var(--radio);padding:26px 22px;box-shadow:var(--sombra);position:relative}
.proceso li::before{content:counter(p,decimal-leading-zero);font-family:var(--font-titulo);font-size:40px;color:var(--verde);font-weight:500;display:block;margin-bottom:10px;line-height:1}
.proceso li h3{font-size:18px;margin-bottom:6px}
.proceso li p{font-size:14px;color:#555}

/* FAQ */
.faq{background:#fff}
.faq details{border-bottom:1px solid var(--gris-suave);padding:18px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::after{content:'+';font-size:24px;color:var(--verde);font-weight:300}
.faq details[open] summary::after{content:'–'}
.faq details p{margin-top:10px;color:#555;font-size:15px;max-width:760px}

/* CONTACTO */
.contacto{background:var(--verde-osc);color:#fff;text-align:center}
.contacto h2{color:#fff;font-size:clamp(30px,5vw,54px);font-weight:400}
.contacto .sub{color:rgba(255,255,255,.85);margin:14px auto 0}
.contacto .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.contacto .datos{margin-top:36px;display:flex;gap:30px;justify-content:center;flex-wrap:wrap;font-size:15px;color:rgba(255,255,255,.9)}

footer{background:var(--carbon);color:rgba(255,255,255,.7);padding:40px 0;font-size:13px}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
footer img{height:56px;opacity:.9}
footer a{color:#fff}

/* WhatsApp flotante */
.wa-flotante{position:fixed;right:18px;bottom:18px;z-index:40;width:58px;height:58px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.25);color:#fff}
.wa-flotante svg{width:30px;height:30px}