/* ============================================================
   Highbury Energy Services — hoja de estilos
   Mobile-first. Paleta y tipografía tomadas del sitio original.
   ============================================================ */

:root{
  --naranja:#E55325;--rojo:#FC0012;--rojo-osc:#D2000F;
  --naranja-osc:#C8431A;
  --oscuro:#0C1C23;
  --oscuro-2:#14272F;
  --gris:#F4F4F9;
  --gris-linea:#E1E3E8;
  --texto:#1B2A32;
  --texto-tenue:#5F7280;
  --blanco:#FFFFFF;
  /* medido en el original: Teko = titulares, menú y etiquetas · Yantramanav = texto corrido */
  --display:'Teko',system-ui,sans-serif;
  --titulo:'Teko',system-ui,sans-serif;
  --cuerpo:'Yantramanav',system-ui,-apple-system,sans-serif;
  --ancho:1200px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--cuerpo);
  font-size:17px;
  line-height:1.7;
  color:var(--texto);
  background:var(--blanco);
  -webkit-text-size-adjust:100%;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.contenedor{max-width:var(--ancho);margin:0 auto;padding:0 1.25rem}

/* ---------- tipografía ---------- */
h1,h2,h3{font-family:var(--display);font-weight:500;line-height:1.05;text-wrap:balance}
h1{font-size:clamp(2.4rem,9vw,4.5rem);letter-spacing:.01em}
h2{font-size:clamp(1.75rem,5vw,2.8rem)}
h3{font-size:clamp(1.3rem,3.5vw,1.7rem)}
.eyebrow{
  display:inline-block;
  font-family:var(--cuerpo);
  font-size:.8rem;
  font-weight:500;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--texto);
  position:relative;z-index:0;
  padding:.15rem 0 .15rem 1.55rem;
  margin-bottom:1.1rem;
}
.eyebrow::before{
  content:"";position:absolute;left:0;top:-.55rem;z-index:-1;
  width:30px;height:34px;background:var(--gris);
}
.eyebrow.sobre-oscuro{color:var(--blanco)}
.eyebrow.sobre-oscuro::before{background:var(--naranja)}

/* ---------- barra superior ---------- */
.barra-sup{
  background:var(--blanco);position:sticky;top:0;z-index:31;overflow:hidden;
  transition:box-shadow .25s;
}
.barra-sup.fijo{box-shadow:0 6px 22px rgba(8,20,26,.16)}
.barra-sup .contenedor{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1.05rem 1.25rem;
}
/* móvil: logo a color sobre blanco, sin bloque naranja (como el original) */
.marca{display:flex;align-items:center;flex:0 0 auto}
.marca img{width:78px}
.datos{display:none}
.dato{display:flex;align-items:center;gap:1rem;padding:0 1.45rem;position:relative;white-space:nowrap}
.dato+.dato::before{
  content:"";position:absolute;left:0;top:50%;
  width:1px;height:54px;background:var(--gris-linea);
  transform:translateY(-50%) rotate(20deg);
}
.dato .ico{
  width:46px;height:46px;flex:0 0 46px;
  display:flex;align-items:center;justify-content:center;
  color:var(--naranja);
}
.dato .ico svg{width:100%;height:100%;stroke-linecap:round}
.dato .et{
  display:block;font-family:var(--titulo);font-weight:500;
  font-size:1.25rem;line-height:1.2;letter-spacing:.1em;text-transform:uppercase;
}
.dato .va{display:block;font-size:1.0625rem;color:var(--texto-tenue);line-height:1.55}

/* ---------- navegación ---------- */
.nav{position:relative;z-index:30}
.nav .contenedor{padding:0}
.nav-lado{display:none}
.solo-movil a{color:var(--naranja)!important}
.nav-abrir{
  background:none;border:none;cursor:pointer;
  padding:.6rem;min-width:48px;min-height:48px;
  display:flex;flex-direction:column;justify-content:center;gap:6px;
}
.nav-abrir span{
  display:block;width:34px;height:3px;background:var(--oscuro);
  transition:transform .25s,opacity .25s;
}
.nav-abrir[aria-expanded="true"] span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.nav-abrir[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-abrir[aria-expanded="true"] span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}
.menu{
  list-style:none;display:none;
  position:absolute;top:100%;left:0;right:0;
  background:var(--oscuro);padding:.5rem 1.25rem 1.25rem;
  border-top:1px solid rgba(255,255,255,.08);
}
.menu.abierto{display:block}
.menu{box-shadow:0 18px 40px rgba(8,20,26,.28)}
.menu li{border-bottom:1px solid rgba(255,255,255,.06)}
.menu a{
  display:block;padding:.85rem .25rem;
  font-family:var(--titulo);font-weight:500;
  font-size:1.23rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--blanco);transition:color .15s;
}
.menu a:hover,.menu a.activo{color:var(--naranja)}

.idioma{
  display:flex;align-items:center;gap:.3rem;
  font-family:var(--titulo);font-weight:500;font-size:1.12rem;
  letter-spacing:.08em;color:var(--blanco);
  border:1px solid rgba(255,255,255,.25);padding:.35rem .6rem;
}
.idioma:hover{border-color:var(--naranja);color:var(--naranja)}
.btn-email{
  display:none;flex:0 0 auto;
  background:var(--naranja);color:var(--blanco);
  font-family:var(--titulo);font-weight:500;
  font-size:1.2rem;letter-spacing:.1em;text-transform:uppercase;
  padding:1.15rem 2rem;align-self:stretch;align-items:center;gap:.5rem;
  transition:background .15s;
}
.btn-email:hover{background:var(--naranja-osc)}

/* ---------- héroe de portada ---------- */
.hero{
  position:relative;color:var(--blanco);text-align:center;
  min-height:clamp(300px,40vh,400px);
  display:flex;align-items:center;justify-content:center;
  padding:3.5rem 0;
  background:var(--oscuro) center/cover no-repeat;
  overflow:hidden;
}
.hero::after{content:"";position:absolute;inset:0;background:rgba(8,20,26,.52);z-index:1}
.hero-fondos{position:absolute;inset:0}
.hero-img{
  position:absolute;inset:0;
  background:center/cover no-repeat;
  opacity:0;transition:opacity 1.2s ease-in-out;
}
.hero-img.activa{opacity:1}

/* textos: uno por slide, superpuestos */
.hero-textos{position:relative;z-index:3;display:grid}
.hero-texto{
  grid-area:1/1;
  opacity:0;visibility:hidden;
  transform:translateY(12px);
  transition:opacity .7s ease,transform .7s ease,visibility .7s;
}
.hero-texto.activo{opacity:1;visibility:visible;transform:none}
.hero .btn{background:var(--rojo);clip-path:polygon(0 0,100% 0,100% 52%,91% 100%,0 100%);padding-right:2.6rem}
.hero .btn:hover{background:var(--rojo-osc)}
.hero .previo{
  font-family:var(--titulo);font-weight:500;
  font-size:clamp(.85rem,3.2vw,1.4rem);
  letter-spacing:.2em;text-transform:uppercase;
  margin-bottom:2.1rem;line-height:1.5;white-space:nowrap;
}
.hero h1{
  font-size:clamp(4rem,21.5vw,17.5rem);
  font-weight:600;letter-spacing:.05em;line-height:.88;
  text-transform:uppercase;margin-bottom:.35rem;
}
/* el original oculta este renglón en móvil */
.hero .sub{display:none}
@media (min-width:768px){.hero .sub{display:block}}
.hero .sub{
  font-family:var(--cuerpo);font-weight:400;
  font-size:clamp(1.05rem,3.4vw,1.55rem);
  letter-spacing:.2em;margin-top:-.1rem;margin-bottom:1.25rem;
}
/* indicadores del slider */
.hero-puntos{
  position:absolute;left:1rem;top:50%;transform:translateY(-50%);
  z-index:4;display:flex;flex-direction:column;gap:.85rem;
}
.hero-punto{
  width:15px;height:15px;border-radius:50%;
  border:2px solid rgba(255,255,255,.85);background:transparent;
  padding:0;cursor:pointer;transition:background .2s,transform .2s;
}
.hero-punto.activo{background:var(--blanco);transform:scale(1.15)}
.hero-punto:focus-visible{outline:2px solid var(--naranja);outline-offset:3px}

/* ---------- héroe de página interna ---------- */
.hero-int{
  position:relative;color:var(--blanco);
  padding:4rem 0 5.5rem;
  background:var(--oscuro) center/cover no-repeat;
}
.hero-int::after{content:"";position:absolute;inset:0;background:rgba(8,20,26,.62)}
.hero-int .contenedor{position:relative;z-index:2}
.hero-int h1{font-size:clamp(2.2rem,8vw,4rem);text-transform:uppercase}
.miga{
  display:inline-block;background:var(--oscuro);
  font-family:var(--titulo);font-weight:500;
  font-size:1.14rem;letter-spacing:.1em;text-transform:uppercase;
  padding:.9rem 1.5rem;margin-top:1.5rem;
  border-bottom-right-radius:22px;
}
.miga .sep{color:var(--blanco);opacity:.5;margin:0 .4rem}
.miga .act{color:var(--naranja)}

/* ---------- botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  background:var(--naranja);color:var(--blanco);
  font-family:var(--titulo);font-weight:500;
  font-size:1.2rem;letter-spacing:.12em;text-transform:uppercase;
  padding:.95rem 1.9rem;min-height:46px;
  transition:background .15s,transform .15s;
}
.btn:hover{background:var(--naranja-osc)}
.btn:active{transform:translateY(1px)}
.btn-linea{background:transparent;border:2px solid var(--naranja);color:var(--naranja)}
.btn-linea:hover{background:var(--naranja);color:var(--blanco)}

/* ---------- secciones ---------- */
.seccion{padding:3.5rem 0}
.seccion.oscura{background:var(--oscuro);color:var(--blanco)}
.seccion.oscura h2{color:var(--blanco)}
.seccion.gris{background:var(--gris)}

/* bienvenida: texto + imagen con marco desplazado */
.bienvenida{display:grid;gap:2.5rem}
.marco{position:relative;padding:14px 0 0 14px}
.marco::before{
  content:"";position:absolute;top:0;left:0;
  width:58%;height:78%;background:var(--naranja);
  border-top-left-radius:30px;z-index:0;
}
.marco img{position:relative;z-index:1;border-top-right-radius:30px;width:100%;aspect-ratio:4/5;object-fit:cover}

/* números */
.numeros{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem 1rem;margin-top:2.25rem}
.numero .cifra{
  display:block;
  font-family:var(--display);font-weight:600;
  font-size:clamp(2.6rem,9vw,3.6rem);line-height:1;
  color:var(--naranja);
}
.numero .txt{
  display:block;
  font-size:.85rem;color:rgba(255,255,255,.72);
  line-height:1.45;margin-top:.4rem;max-width:16ch;
}

/* tarjeta ASIC sobre imagen */
.asic{display:grid;gap:0;margin-top:2.5rem;align-items:stretch}
.asic-img img{width:100%;height:100%;object-fit:cover;min-height:260px}
.asic-caja{background:var(--naranja);color:var(--blanco);padding:2rem 1.75rem;border-bottom-right-radius:34px}
.asic-caja h3{color:var(--blanco);font-size:clamp(1.5rem,5vw,2.1rem);margin-bottom:1rem}
.asic-caja .et{font-family:var(--titulo);font-weight:500;font-size:1.17rem;letter-spacing:.1em;display:block;margin-bottom:.5rem}
.asic-caja ol{margin-left:1.1rem;font-size:.9rem;line-height:1.6}
.asic-caja li{margin-bottom:.45rem}

/* misión / visión */
.mv-tabs{display:flex;gap:.5rem;margin:1.5rem 0}
.mv-tab{
  font-family:var(--titulo);font-weight:500;
  font-size:1.2rem;letter-spacing:.1em;text-transform:uppercase;
  padding:.8rem 1.6rem;background:var(--gris);color:var(--texto);
  border:none;cursor:pointer;min-height:44px;transition:background .15s,color .15s;
}
.mv-tab[aria-selected="true"]{background:var(--naranja);color:var(--blanco)}
.mv-panel[hidden]{display:none}
.mv-panel p{color:var(--texto-tenue)}

/* servicios: pestañas */
.serv-tabs{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;margin:2rem 0}
.serv-tab{
  font-family:var(--titulo);font-weight:500;
  font-size:1.2rem;line-height:1.3;letter-spacing:.06em;text-transform:uppercase;
  padding:1.1rem .9rem;background:var(--gris);color:var(--texto);
  border:none;cursor:pointer;min-height:64px;text-align:center;
  transition:background .15s,color .15s;
}
.serv-tab[aria-selected="true"]{background:var(--naranja);color:var(--blanco)}
.serv-panel[hidden]{display:none}
.serv-panel ul{list-style:none}
.serv-panel li{
  padding:.45rem 0 .45rem 1.2rem;position:relative;
  color:var(--texto-tenue);border-bottom:1px solid var(--gris-linea);
}
.serv-panel li::before{content:"•";position:absolute;left:0;color:var(--naranja);font-weight:700}
.serv-panel li.sub{padding-left:2.4rem;font-size:.92rem}
.serv-panel li.sub::before{left:1.2rem}

/* bases */
.base{border-top:3px solid var(--naranja);background:var(--blanco);padding:1.75rem 0;margin-bottom:2rem}
.base h2{margin-bottom:.75rem}
.base p{color:var(--texto-tenue);margin-bottom:1.1rem}

/* clientes */
.logos{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--gris-linea);border:1px solid var(--gris-linea)}
.logos div{background:var(--blanco);padding:1.5rem;display:flex;align-items:center;justify-content:center;min-height:120px}
.logos img{max-height:72px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.75;transition:filter .2s,opacity .2s}
.logos div:hover img{filter:none;opacity:1}

/* contacto */
.contacto-grid{display:grid;gap:2.5rem}
.dato-contacto{display:flex;gap:1rem;align-items:flex-start;padding:1.25rem 0;border-bottom:1px solid var(--gris-linea)}
.dato-contacto .ico{
  width:44px;height:44px;flex:0 0 44px;background:var(--naranja);color:var(--blanco);
  display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:1.05rem;
}
.dato-contacto h3{font-size:1.15rem;margin-bottom:.15rem}
.dato-contacto p,.dato-contacto a{color:var(--texto-tenue);font-size:.93rem}
.dato-contacto a:hover{color:var(--naranja)}

form{display:grid;gap:1rem}
label{font-family:var(--titulo);font-weight:500;font-size:1.14rem;letter-spacing:.08em;text-transform:uppercase;display:block;margin-bottom:.35rem}
input,textarea{
  width:100%;font-family:var(--cuerpo);font-size:1rem;
  padding:.85rem .95rem;border:1px solid var(--gris-linea);
  background:var(--gris);color:var(--texto);min-height:48px;
}
input:focus,textarea:focus{outline:2px solid var(--naranja);outline-offset:1px;background:var(--blanco)}
textarea{min-height:130px;resize:vertical}
.aviso-form{padding:.9rem 1.1rem;font-size:.9rem;border-left:3px solid var(--naranja);background:var(--gris)}
.aviso-form.error{border-color:#C0392B;background:#FDEDEA}

/* texto legal */
.legal h2{font-size:1.4rem;margin:2rem 0 .6rem}
.legal p{margin-bottom:1rem;color:var(--texto-tenue)}

/* franja destacada */
.franja{
  position:relative;color:var(--blanco);text-align:center;
  padding:4rem 0;background:var(--oscuro) center/cover no-repeat;
}
.franja::after{content:"";position:absolute;inset:0;background:rgba(8,20,26,.72)}
.franja .contenedor{position:relative;z-index:2}
.franja h2{color:var(--blanco);margin-bottom:.4rem}
.franja p{color:rgba(255,255,255,.7)}

/* ---------- pie ---------- */
footer{background:var(--oscuro);color:rgba(255,255,255,.72);padding:2.5rem 0;text-align:center}
footer .logo-pie{width:118px;margin:0 auto 1.25rem}
footer .enlaces{margin-top:.75rem;font-size:.85rem}
footer .enlaces a:hover{color:var(--naranja)}
footer .copy{font-size:.82rem}

/* ---------- escritorio ---------- */
@media (max-width:600px){
  .hero-puntos{display:none}
  .hero .btn{padding:.7rem 1.35rem;min-height:38px;font-size:.72rem}
  .barra-sup .contenedor{padding:1.4rem 1.25rem}
}
@media (min-width:768px){
  body{font-size:17px}
  .seccion{padding:5rem 0}
  .bienvenida{grid-template-columns:1fr 1fr;align-items:center;gap:3.5rem}
  .numeros{grid-template-columns:repeat(4,1fr);gap:1.5rem}
  .asic{grid-template-columns:1.25fr 1fr;align-items:stretch}
  .asic-caja{display:flex;flex-direction:column;justify-content:center}
  .asic-caja{margin-left:-3rem;z-index:2;position:relative}
  .serv-tabs{grid-template-columns:repeat(4,1fr)}
  .logos{grid-template-columns:repeat(4,1fr)}
  .contacto-grid{grid-template-columns:1fr 1.1fr;gap:3.5rem}
  .hero-puntos{left:2.5rem}
  .hero{
    min-height:clamp(560px,76vh,760px);
    padding:11rem 0 5rem;
    margin-right:clamp(0px,3.4vw,68px);
    border-top-right-radius:clamp(0px,4.6vw,88px);
  }
  .hero .previo{letter-spacing:.26em}
  .hero-int{padding:6rem 0 7rem}
}
@media (min-width:992px){
  .barra-sup{position:relative}
  .barra-sup .contenedor{align-items:stretch;padding:0 2rem 0 0;max-width:1400px}
  .marca{
    background:var(--naranja);position:relative;
    padding:1rem 3.4rem 1rem 0;
    border-bottom-right-radius:52px;min-height:108px;
    justify-content:center;
  }
  .marca::before{
    content:"";position:absolute;right:100%;top:0;bottom:0;
    width:100vw;background:var(--naranja);
  }
  .marca img{width:140px}
  .nav{position:sticky;top:0;z-index:40;margin-bottom:-86px;padding-top:10px}
  .nav.fijo{background:var(--oscuro);box-shadow:0 8px 26px rgba(8,20,26,.34)}
  .nav.fijo .contenedor{height:66px}
  .nav .contenedor{
    background:var(--oscuro);
    display:flex;align-items:stretch;justify-content:space-between;
    gap:1rem;height:76px;padding:0 0 0 1.75rem;
  }
  .menu{align-items:center}
  .nav-lado{align-items:stretch}
  .nav-lado{display:flex;align-items:center;gap:.9rem}
  .solo-movil{display:none}
  .datos{display:flex;flex:1;justify-content:flex-end}
  .nav-abrir{display:none}
  .menu{
    display:flex;position:static;background:none;
    padding:0;gap:1.6rem;border:none;
  }
  .menu li{border:none}
  .menu a{padding:1.3rem 0;font-size:1.25rem;letter-spacing:.5px}
  .btn-email{display:flex}
  .nav .contenedor{padding-right:0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}