:root{
  --cielo:#D7E4EC;      /* cielo de mediodía con calima */
  --cielo-hondo:#B9CEDB;
  --papel:#F6F9FA;
  --tinta:#14232B;
  --tinta-suave:#4A6070;
  --sierra:#6C7F55;     /* monte serrano */
  --senal:#F0B429;      /* amarillo de obra */
  --linea:rgba(20,35,43,.14);
  --sombra:0 1px 0 rgba(20,35,43,.06), 0 12px 28px -18px rgba(20,35,43,.35);
  --ancho:1140px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--cielo);color:var(--tinta);
  font-family:"Public Sans",system-ui,sans-serif;font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:"Archivo",system-ui,sans-serif;
  font-variation-settings:"wdth" 118;
  line-height:1.02;letter-spacing:-.015em;margin:0;text-wrap:balance;
}
h1{font-size:clamp(2.3rem,6.2vw,4.1rem);font-weight:800;text-transform:uppercase}
h2{font-size:clamp(1.65rem,3.6vw,2.6rem);font-weight:700;text-transform:uppercase}
h3{font-size:1.12rem;font-weight:700;font-variation-settings:"wdth" 108}
p{margin:0 0 1rem}
a{color:inherit}
img{max-width:100%;display:block}

.rotulo{
  font-family:"Sometype Mono",ui-monospace,monospace;
  font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--tinta-suave);
}
.envoltorio{max-width:var(--ancho);margin:0 auto;padding:0 22px}

/* ---------- barra ---------- */
.barra{
  position:sticky;top:0;z-index:40;
  background:rgba(215,228,236,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--linea);
}
.barra .envoltorio{display:flex;align-items:center;gap:16px;min-height:62px}
.marca{
  font-family:"Archivo",sans-serif;font-variation-settings:"wdth" 125;
  font-weight:800;text-transform:uppercase;font-size:1.05rem;letter-spacing:.02em;
  text-decoration:none;display:flex;align-items:center;gap:9px;
}
.marca span{width:10px;height:10px;border-radius:50%;background:var(--senal);box-shadow:0 0 0 4px rgba(240,180,41,.28)}
.barra nav{margin-left:auto;display:flex;gap:22px;align-items:center}
.barra nav a{font-size:.92rem;text-decoration:none;color:var(--tinta-suave)}
.barra nav a:hover{color:var(--tinta)}
@media(max-width:880px){.barra nav a:not(.btn){display:none}}
@media(max-width:400px){
  .barra .envoltorio{gap:10px}
  .marca{font-size:.92rem;gap:7px}
  .btn--chico{padding:8px 12px;font-size:.82rem}
}

.btn{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--tinta);color:var(--papel);text-decoration:none;
  padding:13px 20px;border-radius:2px;font-weight:600;font-size:.95rem;
  border:0;cursor:pointer;transition:transform .15s ease,background .15s ease;
}
.btn:hover{transform:translateY(-1px);background:#0b171d}
.btn--sol{background:var(--senal);color:var(--tinta)}
.btn--sol:hover{background:#e0a615}
.btn--linea{background:transparent;color:var(--tinta);box-shadow:inset 0 0 0 1.5px var(--tinta)}
.btn--linea:hover{background:rgba(20,35,43,.06)}
.btn--chico{padding:9px 15px;font-size:.88rem}

/* ---------- hero ---------- */
.hero{padding:clamp(38px,7vw,74px) 0 clamp(34px,5vw,58px)}
.hero .envoltorio{display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(26px,4vw,56px);align-items:center}
@media(max-width:900px){.hero .envoltorio{grid-template-columns:1fr}}
.hero h1{margin:14px 0 18px}
.hero h1 em{font-style:normal;color:var(--sierra)}
.bajada{font-size:1.1rem;max-width:46ch;color:var(--tinta-suave)}
.acciones{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 20px}
.confianza{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:.9rem;color:var(--tinta-suave)}
.confianza b{color:var(--tinta);font-weight:600}

/* ---------- firma: vista del cielo ---------- */
.cielo-fig{background:var(--papel);border:1px solid var(--linea);border-radius:3px;padding:18px;box-shadow:var(--sombra)}
.cielo-fig figcaption{font-size:.86rem;color:var(--tinta-suave);margin-top:12px;border-top:1px solid var(--linea);padding-top:11px}
#barrido{transform-origin:200px 200px;animation:girar 9s linear infinite}
@keyframes girar{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){#barrido{animation:none}}

/* ---------- secciones ---------- */
section{padding:clamp(46px,6vw,84px) 0}
section[id]{scroll-margin-top:70px}
.claro{background:var(--papel);border-top:1px solid var(--linea);border-bottom:1px solid var(--linea)}
.hondo{background:var(--tinta);color:var(--cielo)}
.hondo h2,.hondo h3{color:#fff}
.hondo p{color:rgba(215,228,236,.82)}
.hondo .rotulo{color:var(--senal)}
.encabezado{max-width:60ch;margin-bottom:clamp(26px,3.5vw,44px)}
.encabezado h2{margin:12px 0 14px}
.encabezado p{color:var(--tinta-suave)}
.hondo .encabezado p{color:rgba(215,228,236,.82)}

.grilla{display:grid;gap:1px;background:var(--linea);border:1px solid var(--linea)}
.grilla-3{grid-template-columns:repeat(3,1fr)}
.grilla-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:820px){.grilla-3,.grilla-2{grid-template-columns:1fr}}
.celda{background:var(--papel);padding:26px 24px}
.claro .celda{background:#fff}
.celda h3{margin-bottom:9px}
.celda p{font-size:.97rem;color:var(--tinta-suave);margin:0}
.celda .rotulo{display:block;margin-bottom:14px}

/* ---------- precios ---------- */
.precios{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:820px){.precios{grid-template-columns:1fr}}
.tarjeta-precio{
  background:#fff;border:1px solid var(--linea);border-radius:3px;padding:26px 24px;
  display:flex;flex-direction:column;box-shadow:var(--sombra);
}
.tarjeta-precio--destacada{box-shadow:inset 0 0 0 2px var(--senal),var(--sombra)}
.monto{
  font-family:"Sometype Mono",monospace;font-size:1.85rem;font-weight:600;
  margin:16px 0 4px;letter-spacing:-.02em;
}
.monto small{font-family:"Public Sans",sans-serif;font-size:.8rem;font-weight:400;color:var(--tinta-suave);display:block;letter-spacing:0}
.tarjeta-precio ul{list-style:none;padding:0;margin:16px 0 22px;font-size:.95rem}
.tarjeta-precio li{padding:8px 0 8px 24px;position:relative;border-top:1px solid var(--linea);color:var(--tinta-suave)}
.tarjeta-precio li::before{content:"";position:absolute;left:4px;top:15px;width:9px;height:9px;background:var(--sierra)}
.tarjeta-precio .btn{margin-top:auto;justify-content:center}
.nota{font-size:.88rem;color:var(--tinta-suave);margin-top:20px;max-width:64ch}

/* ---------- pasos ---------- */
.pasos{counter-reset:p;display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
@media(max-width:860px){.pasos{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.pasos{grid-template-columns:1fr}}
.paso{counter-increment:p;border-top:2px solid var(--senal);padding-top:16px}
.paso::before{
  content:counter(p,decimal-leading-zero);
  font-family:"Sometype Mono",monospace;font-size:.78rem;color:var(--senal);
  display:block;margin-bottom:10px;
}
.paso p{font-size:.97rem;margin:8px 0 0}

/* ---------- zonas ---------- */
.zonas{display:flex;flex-wrap:wrap;gap:9px;margin-top:8px}
.zonas a,.zonas span{
  font-size:.92rem;text-decoration:none;padding:8px 14px;border-radius:100px;
  background:#fff;border:1px solid var(--linea);color:var(--tinta);
}
.zonas a:hover{border-color:var(--tinta)}

/* ---------- trabajos ---------- */
.trabajos{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:820px){.trabajos{grid-template-columns:repeat(2,1fr)}}
.trabajo{background:#fff;border:1px solid var(--linea);border-radius:3px;overflow:hidden}
.trabajo img{aspect-ratio:4/3;object-fit:cover;width:100%;background:var(--cielo-hondo)}
.trabajo p{font-size:.88rem;padding:12px 14px;margin:0;color:var(--tinta-suave)}

/* ---------- faq ---------- */
.faq{max-width:820px}
.faq details{border-bottom:1px solid rgba(215,228,236,.22);padding:6px 0}
.faq summary{
  cursor:pointer;padding:16px 30px 16px 0;font-weight:600;position:relative;list-style:none;
  font-size:1.02rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:2px;top:14px;color:var(--senal);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 40px 14px 0;font-size:.97rem}

/* ---------- cierre ---------- */
.cierre{background:var(--senal);color:var(--tinta);text-align:center}
.cierre .envoltorio{max-width:640px}
.cierre h2{margin-bottom:14px}
.cierre p{color:rgba(20,35,43,.78)}
.cierre .acciones{justify-content:center}
.cierre :focus-visible{outline-color:var(--tinta)}

footer{background:var(--tinta);color:rgba(215,228,236,.7);font-size:.9rem;padding:44px 0 34px}
footer a{color:rgba(215,228,236,.7)}
.pie{display:flex;flex-wrap:wrap;gap:22px;justify-content:space-between;align-items:flex-start}
.pie div{max-width:34ch}
footer strong{color:#fff;display:block;margin-bottom:8px;font-family:"Archivo",sans-serif;font-variation-settings:"wdth" 118;text-transform:uppercase;letter-spacing:.02em}

/* wsp flotante */
.flotante{
  position:fixed;right:16px;bottom:16px;z-index:50;
  background:#128C7E;color:#fff;border-radius:100px;padding:14px 20px;
  text-decoration:none;font-weight:600;font-size:.95rem;
  box-shadow:0 10px 26px -10px rgba(0,0,0,.5);display:inline-flex;gap:9px;align-items:center;
}
.flotante:hover{background:#0f7a6d}

/* reveals */
.aparece{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.aparece.visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.aparece{opacity:1;transform:none;transition:none}}
:focus-visible{outline:3px solid var(--senal);outline-offset:3px}