/* ══════════════════════════════════════════════════════════════════
   Construcciones Los Alfonsos · Lorca
   Dirección: "Plano de obra" — la geometría de su propio logotipo
   (triángulo de Penrose) a escala arquitectónica, con su nave real
   vista por el hueco de la figura.
   Paleta sacada del logo: #1A1E39 navy · #205194 azul acero.
   ══════════════════════════════════════════════════════════════════ */

:root{
  --navy:#12172F;
  --navy-2:#1B2140;
  --navy-3:#28315C;
  --azul:#205194;
  --azul-hi:#5B93D6;
  --hormigon:#E4E6E7;
  --cal:#F7F8F9;
  --blanco:#FFFFFF;
  --tinta:#151827;
  --gris:#5A6070;
  --gris-2:#666D82;
  --linea:#D2D6DA;
  --linea-osc:rgba(255,255,255,.14);

  --maxw:1240px;
  --gutter:clamp(20px,4vw,64px);
  --ease:cubic-bezier(.22,.61,.36,1);
  --display:"Chivo",Georgia,serif;
  --body:"IBM Plex Sans",system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--body);
  font-size:17px;line-height:1.62;
  color:var(--tinta);background:var(--cal);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg,iframe{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
h1,h2,h3,h4{font-family:var(--display);font-weight:900;line-height:.96;letter-spacing:-.035em;text-wrap:balance}
p{text-wrap:pretty}
::selection{background:var(--azul);color:#fff}
:focus-visible{outline:3px solid var(--azul-hi);outline-offset:3px}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}

.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--navy);color:#fff;padding:14px 20px}
.skip:focus{left:0}

/* ─────────── etiquetas ─────────── */
.eyebrow{
  font-family:var(--display);font-weight:700;
  font-size:.8125rem;         /* 13px — suelo de 12px */
  letter-spacing:.2em;text-transform:uppercase;
  color:var(--azul);display:flex;align-items:center;gap:.7em;margin-bottom:1.1rem;
}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--azul);flex:none}
.eyebrow--light{color:var(--azul-hi)}
.eyebrow--light::before{background:var(--azul-hi)}

/* ─────────── botones ─────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--display);font-weight:700;font-size:.9375rem;letter-spacing:.01em;
  padding:14px 24px;border:2px solid transparent;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .18s var(--ease);
}
.btn--lg{padding:18px 30px;font-size:1.0625rem}
.btn--solid{background:var(--azul);color:#fff}
.btn--ghost{border-color:currentColor}
.sec--dark .btn--ghost,.hero .btn--ghost{color:#fff}
.btn--tel{border:2px solid var(--linea-osc);color:#fff;padding:10px 18px;font-size:.9375rem}
.site.scrolled .btn--tel{border-color:rgba(255,255,255,.26)}
@media (hover:hover){
  .btn--solid:hover{background:#2A65B4;transform:translateY(-2px)}
  .btn--ghost:hover{background:currentColor}
  .btn--ghost:hover span,.hero .btn--ghost:hover,.sec--dark .btn--ghost:hover{color:var(--navy)}
  .btn--tel:hover{background:var(--azul);border-color:var(--azul)}
}
.btn:active{transform:scale(.97)}

/* ═══════════ HEADER ═══════════ */
.site{position:fixed;inset:0 0 auto;z-index:100;background-color:rgba(18,23,47,.42)}
.site::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:var(--navy);opacity:0;
  transition:opacity .3s ease;
}
.site.scrolled{background-color:rgba(18,23,47,.97)}
.site.scrolled::after{opacity:.97;box-shadow:0 1px 0 rgba(255,255,255,.1)}
.site__in{
  max-width:var(--maxw);margin-inline:auto;padding:16px var(--gutter);
  display:flex;align-items:center;gap:clamp(16px,3vw,40px);
}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto}
.brand__mark{width:36px;height:auto}
.brand__txt{display:flex;flex-direction:column;line-height:1.05;color:#fff}
.brand__txt b{font-family:var(--display);font-weight:900;font-size:1.0625rem;letter-spacing:-.02em}
.brand__txt i{font-style:normal;font-size:.6875rem;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.72)}

.nav{display:flex;gap:clamp(14px,2vw,30px)}
.nav a{
  font-size:.9375rem;font-weight:500;color:rgba(255,255,255,.82);
  padding:6px 0;border-bottom:2px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.nav a.active{color:#fff;border-color:var(--azul-hi)}
@media (hover:hover){.nav a:hover{color:#fff}}

.burger{display:none;background:none;border:0;cursor:pointer;width:44px;height:44px;padding:10px;flex-direction:column;justify-content:space-between}
.burger span{display:block;height:2px;background:#fff;transition:transform .25s var(--ease),opacity .2s ease}
.nav.open ~ .burger span:nth-child(1),.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(10px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-10px) rotate(-45deg)}

/* ═══════════ HERO ═══════════ */
.hero{
  position:relative;min-height:100svh;
  display:flex;align-items:flex-end;
  background:var(--navy);color:#fff;overflow:hidden;
  isolation:isolate;
}
.hero__art{position:absolute;right:-7vw;bottom:-9vh;width:min(88vw,1230px);z-index:0;pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:linear-gradient(102deg,rgba(18,23,47,.94) 0%,rgba(18,23,47,.82) 32%,rgba(18,23,47,.28) 55%,rgba(18,23,47,0) 70%)}
.hero__art svg{width:100%;height:auto}
.tri__navy{fill:var(--navy-3)}
.tri__azul{fill:#2C63AF}
.hero__art .tri{transform:translateY(0);will-change:transform}

.hero__body{
  position:relative;z-index:1;
  max-width:var(--maxw);width:100%;margin-inline:auto;
  padding:clamp(96px,14vh,132px) var(--gutter) clamp(48px,8vh,86px);
}
.hero h1{
  font-size:clamp(2.9rem,min(10vw,15svh),9.5rem);
  margin:0 0 clamp(18px,2.4vh,28px);
  text-shadow:0 2px 30px rgba(10,14,32,.55);
}
.hero h1 .ac{color:var(--azul-hi)}
.hero__sub{
  max-width:34ch;font-size:clamp(1.0625rem,1.5vw,1.25rem);
  color:rgba(255,255,255,.86);margin-bottom:clamp(22px,3vh,34px);
  text-shadow:0 1px 16px rgba(10,14,32,.6);
}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero__live{display:flex;align-items:center;gap:10px;font-size:.9375rem;color:rgba(255,255,255,.8)}
.dot{width:9px;height:9px;border-radius:50%;background:var(--gris-2);flex:none}
.dot.open{background:#3FBF6B;box-shadow:0 0 0 4px rgba(63,191,107,.22)}
.dot.closed{background:#D9704F}

/* ═══════════ CIFRAS ═══════════ */
.strip{background:var(--navy);padding-bottom:clamp(40px,6vw,72px)}
.strip__grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--linea-osc);background-clip:content-box;
}
.strip__grid li{background:var(--navy);padding:clamp(26px,3.4vw,44px) clamp(20px,2.4vw,34px)}
.strip__grid b{
  display:block;font-family:var(--display);font-weight:900;
  font-size:clamp(2.4rem,4.6vw,3.9rem);line-height:1;letter-spacing:-.04em;
  color:#fff;margin-bottom:.35em;
}
.strip__grid li > span{display:block;font-size:.9375rem;color:rgba(255,255,255,.7);max-width:26ch}
.strip__grid b > span{font:inherit;color:inherit}


/* ═══════════ BANDA A SANGRE (estructura) ═══════════ */
.banda{position:relative;isolation:isolate;min-height:clamp(340px,52vh,560px);display:grid;align-items:end;overflow:hidden;background-color:var(--navy)}
.banda img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 55%;z-index:-2}
.banda::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(15deg,rgba(18,23,47,.94) 0%,rgba(18,23,47,.72) 42%,rgba(18,23,47,.24) 78%);
}
.banda__txt{
  max-width:var(--maxw);width:100%;margin-inline:auto;
  padding:clamp(38px,7vh,80px) var(--gutter);color:#fff;
}
.banda__frase{
  font-family:var(--display);font-weight:900;line-height:.94;letter-spacing:-.04em;
  font-size:clamp(2rem,5.4vw,4.2rem);margin-bottom:.5em;text-wrap:balance;
}
.banda__nota{max-width:52ch;color:rgba(255,255,255,.84);font-size:clamp(1rem,1.4vw,1.125rem)}

/* ═══════════ SECCIONES ═══════════ */
.sec{padding:clamp(72px,10vw,136px) 0}
.sec--soft{
  background-color:var(--hormigon);
  background-image:url("assets/hormigon.webp");
  background-size:cover;background-position:center;
}
.sec--dark{background:var(--navy);color:#fff}
.sec__head{max-width:62ch;margin-bottom:clamp(38px,5vw,64px)}
.sec h2{font-size:clamp(2.1rem,5.4vw,4.1rem);margin-bottom:.5em}
.lead{font-size:clamp(1.0625rem,1.5vw,1.1875rem);color:var(--gris);max-width:62ch}
.sec--dark .lead{color:rgba(255,255,255,.76)}

/* ─────────── tarjetas de servicio ─────────── */
.cards{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--linea);background-clip:content-box;
}
.card{background:var(--cal);padding:clamp(28px,3vw,40px);display:flex;flex-direction:column;gap:10px;
  transition:background-color .22s ease}
.card__n{
  font-family:var(--display);font-weight:700;font-size:.8125rem;
  letter-spacing:.18em;color:var(--azul);
}
.card h3{font-size:1.4375rem;letter-spacing:-.025em}
.card p{font-size:.9875rem;color:var(--gris)}
.card--cta{background:var(--navy);color:#fff}
.card--cta h3{color:#fff}
.card--cta p{color:rgba(255,255,255,.78)}
.card--cta .btn{margin-top:auto;align-self:flex-start;color:#fff}
@media (hover:hover){.card:not(.card--cta):hover{background:#fff}}

/* ─────────── proceso ─────────── */
.steps{display:grid}
.step{
  border-top:1px solid var(--linea-osc);display:grid;grid-template-columns:auto 1fr;
  gap:clamp(20px,4vw,56px);align-items:start;
  padding:clamp(24px,3vw,38px) 0;
}
.step:first-child{border-top:0}
.step__n{
  font-family:var(--display);font-weight:900;
  font-size:clamp(2.2rem,5vw,4rem);line-height:.9;letter-spacing:-.05em;
  color:transparent;-webkit-text-stroke:2px var(--azul-hi);
  min-width:2.4ch;
}
.step h3{font-size:clamp(1.3rem,2.4vw,1.85rem);margin-bottom:.35em}
.step p{color:rgba(255,255,255,.74);max-width:58ch;font-size:1rem}

/* ─────────── la empresa ─────────── */
.empresa{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,6vw,86px);align-items:start}
.empresa__txt h2{font-size:clamp(1.9rem,3.9vw,3rem);margin-bottom:.7em}
.empresa__txt p{color:var(--gris);margin-bottom:1.1em;max-width:60ch}
.empresa__txt .btn{margin-top:.6em}
.empresa__col{display:flex;flex-direction:column;gap:clamp(22px,3vw,34px)}
.empresa__foto{width:100%;height:clamp(230px,26vw,320px);object-fit:cover;object-position:center 42%}
.ficha{border-top:2px solid var(--tinta)}
.ficha>div{display:grid;grid-template-columns:minmax(120px,.8fr) 1.4fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--linea)}
.ficha dt{font-family:var(--display);font-weight:700;font-size:.8125rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gris)}
.ficha dd{font-size:.9875rem}

/* ─────────── dónde estamos ─────────── */
.donde{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(24px,3vw,44px);align-items:stretch}
.mapa{min-height:380px;background:#c9ced3}
.mapa iframe{width:100%;height:100%;min-height:380px;border:0;filter:grayscale(.35) contrast(1.05)}
.datos{background:var(--blanco);padding:clamp(26px,3vw,38px);display:flex;flex-direction:column;gap:20px}
.datos__estado{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1rem}
.horas .row{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px solid var(--linea);font-size:.9375rem}
.horas .row:last-child{border-bottom:0}
.horas .row.today{color:var(--azul);font-weight:600}
.horas .row b{font-variant-numeric:tabular-nums;font-weight:600}
.horas .off{color:var(--gris-2)}
.datos address{font-style:normal;color:var(--gris);font-size:.9875rem}
.datos__cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto}
.datos__cta .btn--ghost{color:var(--tinta)}

/* ─────────── contacto ─────────── */
.contacto{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:start}
.contacto h2{font-size:clamp(2rem,4.4vw,3.4rem);margin-bottom:.5em}
.tel-big{
  display:inline-block;font-family:var(--display);font-weight:900;
  font-size:clamp(2rem,4.6vw,3.4rem);letter-spacing:-.04em;color:var(--azul-hi);
  margin:.5em 0 .2em;font-variant-numeric:tabular-nums;
  transition:color .2s ease;
}
@media (hover:hover){.tel-big:hover{color:#fff}}
.contacto__nota{font-size:.9375rem;color:rgba(255,255,255,.66)}

.form{display:flex;flex-direction:column;gap:16px}
.f{display:flex;flex-direction:column;gap:7px}
.f label{font-family:var(--display);font-weight:700;font-size:.8125rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.8)}
.f input,.f textarea{
  font:inherit;font-size:1rem;color:#fff;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.34);padding:13px 15px;
  transition:border-color .2s ease,background-color .2s ease;
}
.f textarea{resize:vertical}
.f input::placeholder,.f textarea::placeholder{color:rgba(255,255,255,.55)}
.f input:focus,.f textarea:focus{border-color:var(--azul-hi);background:rgba(255,255,255,.12)}
.check{display:flex;gap:11px;align-items:flex-start;font-size:.9375rem;color:rgba(255,255,255,.78)}
.check input{margin-top:.32em;width:17px;height:17px;accent-color:var(--azul-hi);flex:none}
.check a{text-decoration:underline}
.form__nota{font-size:.8125rem;color:rgba(255,255,255,.6)}
.form.sent{opacity:.75}

/* ═══════════ FOOTER ═══════════ */
.foot{background:#0D1124;color:rgba(255,255,255,.76);padding-top:clamp(52px,7vw,84px)}
.foot__in{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:clamp(26px,4vw,48px);padding-bottom:clamp(40px,5vw,60px)}
.foot__brand{display:flex;flex-direction:column;gap:14px}
.foot__brand img{width:44px;height:auto}
.foot__brand b{font-family:var(--display);font-weight:900;font-size:1.1875rem;color:#fff;letter-spacing:-.02em}
.foot h3{font-family:var(--display);font-weight:700;font-size:.8125rem;letter-spacing:.18em;text-transform:uppercase;color:#fff;margin-bottom:.9em}
.foot p{font-size:.9375rem;line-height:1.85;max-width:44ch}
@media (hover:hover){.foot a:hover{color:#fff}}
.foot__bar{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:22px;padding-bottom:26px;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 26px;
}
.foot__legal{display:flex;flex-wrap:wrap;gap:18px;font-size:.8125rem;margin-right:auto}
.foot__legal a{text-decoration:underline;text-underline-offset:3px}
.foot__c{font-size:.8125rem}
.demo-aviso{flex-basis:100%;max-width:72ch;font-size:.75rem;color:rgba(255,255,255,.5);margin-top:4px}

/* ═══════════ call-bar móvil ═══════════ */
.callbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:90}
.callbar a{
  flex:1;text-align:center;padding:15px 8px;font-family:var(--display);font-weight:700;font-size:.9375rem;color:#fff;
}
.callbar a:first-child{background:var(--azul)}
.callbar a:last-child{background:#0E7A3F}

/* ═══════════════════ RESPONSIVE ═══════════════════ */
@media (max-width:1020px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .empresa,.donde,.contacto{grid-template-columns:1fr}
  .foot__in{grid-template-columns:1fr 1fr}
}
@media (max-width:880px){
  .btn--tel{display:none}
  .burger{display:flex}
  .nav{
    position:fixed;inset:0;background:var(--navy);
    flex-direction:column;justify-content:center;align-items:center;gap:8px;
    transform:translateY(-100%);transition:transform .34s var(--ease);
    z-index:-1;
  }
  .nav.open{transform:translateY(0)}
  .nav a{font-family:var(--display);font-weight:900;font-size:1.75rem;color:#fff;border:0;padding:12px 0}
  .site__in{padding-block:12px}
  .hero{align-items:flex-end}
  .hero__art{right:-24vw;bottom:-6vh;width:150vw}
  .hero__sub{max-width:none}
  .strip__grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .step{grid-template-columns:1fr;gap:10px}
  .callbar{display:flex}
  .foot{padding-bottom:64px}
  body{padding-bottom:0}
}
@media (max-width:520px){
  .foot__in{grid-template-columns:1fr}
  .brand__txt i{display:none}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition-duration:.01ms !important}
}