:root{
  --naranja:#F4520F;
  --naranja-osc:#D4400A;
  --tinta:#1a1a1a;
  --gris:#5f5f5f;
  --linea:#e7e4e2;
  --hueso:#faf8f7;
  --blanco:#fff;
  --max:1140px;
  --r:3px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--blanco);color:var(--tinta);
  font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;
  line-height:1.62;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
.env{max-width:var(--max);margin:0 auto;padding:0 24px}

/* cabecera */
.cab{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.97);
  backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--linea)}
.cab .env{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:82px;position:relative}
.logo img{width:118px}
.nav{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.nav a{text-decoration:none;color:var(--tinta);font-size:.92rem;padding:6px 0;
  border-bottom:2px solid transparent;transition:border-color .18s,color .18s;white-space:nowrap}
.nav a:hover,.nav a:focus-visible{color:var(--naranja);border-bottom-color:var(--naranja)}
.nav a.ext::after{content:"↗";font-size:.72em;margin-left:4px;opacity:.55}
.nav a.karin{color:var(--naranja);font-weight:600}
.menu-btn{display:none;background:none;border:1px solid var(--linea);border-radius:var(--r);
  padding:9px 12px;font-size:1.1rem;cursor:pointer;color:var(--naranja)}

/* hero */
.hero{position:relative;min-height:min(72vh,600px);display:grid;place-items:center;
  text-align:center;padding:92px 0;background:#222 url("assets/hero.webp") center/cover no-repeat}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,10,8,.66),rgba(120,40,10,.72))}
.hero .env{position:relative;z-index:1}
.hero h1{margin:0 0 16px;color:#fff;font-weight:800;letter-spacing:-.02em;
  font-size:clamp(2rem,5.6vw,3.9rem);line-height:1.06;text-shadow:0 2px 22px rgba(0,0,0,.35);
  text-wrap:balance}
.hero p{margin:0 auto;max-width:60ch;color:rgba(255,255,255,.93);
  font-size:clamp(1rem,2vw,1.16rem);text-shadow:0 1px 10px rgba(0,0,0,.3)}
.hero .cta{display:inline-block;margin-top:28px;padding:14px 34px;background:var(--naranja);
  color:#fff;text-decoration:none;border-radius:var(--r);font-weight:600;transition:background .2s}
.hero .cta:hover{background:var(--naranja-osc)}

/* secciones */
.seccion{padding:74px 0}
.seccion.gris{background:var(--hueso)}
h2{margin:0 0 12px;text-align:center;font-weight:600;letter-spacing:-.01em;
  font-size:clamp(1.7rem,3.6vw,2.5rem);text-wrap:balance}
.bajada{text-align:center;max-width:66ch;margin:0 auto 44px;color:var(--gris)}

/* servicios */
.servicios{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(248px,1fr))}
.serv{background:var(--blanco);border:1px solid var(--linea);border-radius:var(--r);
  overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .22s,transform .22s}
.serv:hover{box-shadow:0 10px 30px rgba(0,0,0,.09);transform:translateY(-3px)}
.serv figure{margin:0;background:var(--hueso);aspect-ratio:16/10;overflow:hidden}
.serv figure img{width:100%;height:100%;object-fit:contain;padding:14px}
.serv .txt{padding:18px 20px 22px;border-top:3px solid var(--naranja)}
.serv h3{margin:0;font-size:1.04rem;font-weight:600}

/* valores */
.valores{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));
  align-items:center;justify-items:center}
.valores img{max-width:190px}

/* preguntas */
.faq{display:grid;gap:26px;grid-template-columns:repeat(auto-fit,minmax(272px,1fr));margin-top:8px}
.faq article{border-left:3px solid var(--naranja);padding:2px 0 2px 20px}
.faq h3{margin:0 0 8px;font-size:1.02rem;font-weight:600;color:var(--naranja)}
.faq p{margin:0;color:var(--gris)}

/* nosotros */
.nosotros{display:grid;gap:44px;grid-template-columns:1.1fr .9fr;align-items:center}
.nosotros .foto img{border-radius:var(--r)}
.nosotros h2{text-align:left}
.nosotros p{color:var(--gris)}
.tigre{width:150px;margin-top:14px}

/* contacto */
.banda{background:var(--naranja);color:#fff;padding:74px 0}
.banda h2,.banda .bajada{color:#fff}
.banda .bajada{opacity:.92}
.contacto{display:grid;gap:40px;grid-template-columns:1fr 1fr;align-items:start;margin-top:34px}
.campo{margin-bottom:15px}
.campo label{display:block;font-size:.84rem;margin-bottom:6px}
.campo input,.campo textarea{width:100%;padding:12px 14px;font:inherit;color:#fff;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.5);border-radius:var(--r)}
.campo input::placeholder,.campo textarea::placeholder{color:rgba(255,255,255,.65)}
.campo input:focus,.campo textarea:focus{outline:2px solid #fff;outline-offset:1px}
.boton{background:#fff;color:var(--naranja);border:0;padding:13px 34px;font:inherit;
  font-weight:700;border-radius:var(--r);cursor:pointer}
.boton:hover{opacity:.9}
.datos{line-height:2}
.datos a{color:#fff}
.datos strong{display:block;margin-top:16px;font-size:.76rem;text-transform:uppercase;
  letter-spacing:.1em;opacity:.82}

/* grupo + pie */
.grupo{text-align:center}
.grupo p{max-width:74ch;margin:0 auto;color:var(--gris)}
.enlace-boton{display:inline-block;margin-top:24px;padding:12px 32px;border:1px solid var(--tinta);
  border-radius:var(--r);text-decoration:none;color:var(--tinta);transition:background .2s,color .2s}
.enlace-boton:hover{background:var(--tinta);color:#fff}
.pie{background:var(--tinta);color:#e9e6e4;padding:26px 0;text-align:center;font-size:.88rem}
.pie a{color:#fff}
.pie .karin-nota{display:block;margin-top:8px;font-size:.82rem;opacity:.75}

@media (max-width:880px){
  .nosotros{grid-template-columns:1fr}
  .contacto{grid-template-columns:1fr}
}
@media (max-width:760px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:82px;left:0;right:0;flex-direction:column;
    align-items:flex-start;gap:0;padding:8px 24px 18px;background:#fff;
    border-bottom:1px solid var(--linea)}
  .nav.abierto{display:flex}
  .nav a{padding:12px 0;width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}