:root{
  --brand:#c8242f;            /* rojo marca */
  --brand-dark:#a51e27;
  --ink:#222;
  --muted:#6a6a6a;
  --bg:#ffffff;
  --bg-alt:#f6f6f6;
  --radius:14px;
  --shadow:0 8px 28px rgba(0,0,0,.12);
  --max:1120px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Roboto, system-ui, -apple-system, Segoe UI, Arial, sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
}

h1,h2,h3{font-family:Montserrat, Roboto, Arial, sans-serif; line-height:1.2; margin:0 0 .6rem}
h1{font-weight:700; font-size:clamp(2rem, 3.6vw + .8rem, 3.2rem)}
h2{font-weight:700; font-size:clamp(1.6rem, 2vw + .6rem, 2.2rem)}
h3{font-weight:600; font-size:1.2rem}

.container{max-width:var(--max); margin:0 auto; padding:0 20px}

/* Header */
.site-header{
  position:sticky; top:0; z-index:99;
  background:#fff; box-shadow:0 1px 0 rgba(0,0,0,.06);
}
.header-inner{display:flex; align-items:center; justify-content:space-between; height:110px; transition:height .28s ease}
.logo{height:90px; display:block; transition:height .28s ease}

/* Efecto shrink */
.site-header.shrink .header-inner{ height:80px }
.site-header.shrink .logo{ height:60px }
.site-header.shrink{ box-shadow:0 6px 18px rgba(0,0,0,.08) }

.site-nav ul{display:flex; gap:28px; list-style:none; margin:0; padding:0}
.site-nav a{
  text-decoration:none; color:var(--ink); font-weight:600;
  letter-spacing:.2px;
  position:relative; padding:.2rem 0;
}
.site-nav a::after{
  content:""; position:absolute; left:0; bottom:-6px; height:2px; width:0; background:var(--brand); transition:width .2s ease;
}
.site-nav a:hover::after{width:100%}

/* Toggle (mobile) */
.nav-toggle{display:none; background:transparent; border:0; padding:8px; cursor:pointer}
.nav-toggle span{display:block; width:24px; height:2px; background:#333; margin:5px 0; transition:transform .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{position:relative; min-height:68vh; display:grid; place-items:center; text-align:center; overflow:hidden}
.hero__bg{
  position:absolute; inset:0;
  background-image:url('assets/hero.jpg');
  background-size:cover; background-position:center;
  transform:scale(1.02);
}
.hero__overlay{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(0,0,0,.36), rgba(0,0,0,.36));
}
.hero__content{position:relative; color:#fff; padding:80px 0}
.hero p{color:#fff; max-width:720px; margin:12px auto 24px; font-size:1.1rem}

/* Botones */
.btn{
  display:inline-block; border-radius:999px; padding:14px 24px; text-decoration:none; font-weight:700;
  transition:transform .06s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--brand); color:#fff; box-shadow:0 6px 18px rgba(200,36,47,.28)}
.btn--primary:hover{background:var(--brand-dark); box-shadow:0 10px 26px rgba(200,36,47,.36)}

/* Secciones */
.section{padding:64px 0}
.section--alt{background:var(--bg-alt)}
.section__head{max-width:760px; margin:0 auto 28px; text-align:center}
.section__head p{color:var(--muted); margin-top:8px}

/* Cards */
.cards{display:grid; grid-template-columns:repeat(3, 1fr); gap:24px}
.card{background:#fff; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); transition:transform .2s ease, box-shadow .2s ease}
.card:hover{transform:translateY(-4px); box-shadow:0 16px 40px rgba(0,0,0,.14)}
.card img{width:100%; height:220px; object-fit:cover}
.card__body{padding:18px}
.card__body p{color:var(--muted); margin:.4rem 0 0}

/* Historia */
.grid-2{display:grid; grid-template-columns:1.1fr .9fr; gap:32px; align-items:center}
.historia-grid{ grid-template-columns:0.9fr 1.1fr }
.historia-texto{text-align:center}
.historia-texto p{margin:10px 0}
.historia-media{text-align:center}
.historia-media img{
  max-width:640px;
  width:100%;
  border-radius:14px;
  margin:0 auto;
  display:block;
}
.historia-media blockquote{
  margin-top:16px;
  font-style:italic;
  color:#555;
  font-size:1.1rem;
}

/* Contacto */
.contacto-centro{text-align:center}
.contact-info p{margin:8px 0; font-size:1.1rem; color:#333}
.contact-info strong{color:var(--brand)}
.contacto-wa{margin-top:20px}

/* Footer */
.site-footer{border-top:1px solid #eee; background:#fff; padding:28px 0; color:#555}
.footer-inner{display:flex; gap:16px; align-items:center; justify-content:space-between}
.footer-nav a{color:#555; text-decoration:none; margin-left:16px}
.footer-nav a:hover{color:var(--brand)}

/* Responsivo */
@media (max-width: 980px){
  .cards{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .historia-media img{ max-width:520px }
}
@media (max-width: 760px){
  .site-nav{
    position:absolute; top:110px; right:0; background:#fff; width:100%;
    border-top:1px solid #eee; transform:translateY(-110%); transition:transform .2s ease
  }
  .site-header.shrink .site-nav{ top:80px }

  .site-nav.is-open{transform:translateY(0)}
  .site-nav ul{flex-direction:column; padding:12px 20px; gap:12px}
  .nav-toggle{display:block}
  .cards{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .historia-grid{grid-template-columns:1fr}
  .historia-media img{ max-width:100% }
}