:root{
  --red:#B3212B;
  --red-dark:#8C1820;
  --plomo:#3A3F47;
  --plomo-dark:#2B2F36;
  --grey:#6B7078;
  --soft:#F4F5F6;
  --line:#D9DCE0;
  --ink:#1F2328;
  --white:#fff;
  --radius:3px;
  --font-head:'Fraunces',Georgia,'Times New Roman',serif;
  --font-body:'Public Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;font-family:var(--font-body);color:var(--ink);background:var(--white);line-height:1.65;font-size:1rem}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--red);outline-offset:3px}
.wrap{width:min(1120px,100% - 2.5rem);margin-inline:auto}
.nowrap{white-space:nowrap}

h1,h2,h3{font-family:var(--font-head);line-height:1.15;margin:0 0 .6em;color:var(--plomo-dark)}
h1{font-size:clamp(2.1rem,5.5vw,3.6rem);font-weight:600}
h2{font-size:clamp(1.6rem,3.6vw,2.2rem);font-weight:600;padding-bottom:.5rem;position:relative}
h2::after{content:"";display:block;width:48px;height:3px;background:var(--red);margin-top:.6rem}
h3{font-size:1.15rem;font-weight:600}
p{margin:0 0 1rem;max-width:62ch}

.skip{position:absolute;left:-999px;top:0;background:var(--white);padding:.6rem 1rem;z-index:100}
.skip:focus{left:0}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:var(--plomo);color:var(--white);border-bottom:3px solid var(--red)}
.header-in{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:1rem}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;font-family:var(--font-head);font-weight:600;font-size:1.1rem}
.brand img{border-radius:50%;background:var(--white);object-fit:cover}
.nav{display:flex;gap:.15rem}
.nav a{text-decoration:none;font-weight:500;font-size:.93rem;padding:.55rem .8rem;border-bottom:2px solid transparent}
.nav a:hover{border-bottom-color:var(--red);background:rgba(255,255,255,.06)}
.nav-toggle{display:none;background:none;border:0;padding:.6rem;cursor:pointer}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--white);margin:6px 0;transition:transform .2s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* Hero */
.hero{padding:clamp(2.5rem,7vw,5rem) 0;background:var(--white);border-bottom:1px solid var(--line)}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:center}
.motto{display:inline-block;font-family:var(--font-head);font-weight:600;font-size:1rem;color:var(--red);letter-spacing:.06em;margin-bottom:1rem;padding-left:.9rem;border-left:3px solid var(--red)}
.lead{font-size:1.1rem;color:var(--grey)}
.hero-crest img{width:min(420px,100%);margin-inline:auto}
.cta-row{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.5rem}

.btn{display:inline-block;padding:.8rem 1.5rem;border-radius:var(--radius);text-decoration:none;border:2px solid transparent;transition:background .15s,color .15s,border-color .15s;cursor:pointer;font:inherit;font-weight:600}
.btn-red{background:var(--red);color:var(--white)}
.btn-red:hover{background:var(--red-dark)}
.btn-line{border-color:var(--plomo);color:var(--plomo);background:transparent}
.btn-line:hover{background:var(--plomo);color:var(--white)}
.btn-dark{background:var(--plomo);color:var(--white)}
.btn-dark:hover{background:var(--plomo-dark)}
.btn-white{background:var(--white);color:var(--plomo-dark)}
.btn-white:hover{background:var(--soft)}

/* Secciones */
.section{padding:clamp(2.5rem,7vw,4.5rem) 0}
.section-soft{background:var(--soft)}
.section-dark{background:var(--plomo);color:var(--white)}
.section-dark h2,.section-dark h3{color:var(--white)}
.section-dark a:not(.btn){color:var(--white);text-decoration-color:var(--red)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,5vw,4rem);align-items:center}
.hint{font-size:.9rem;color:var(--grey);margin-top:1rem}
.section-dark .hint{color:#c3c7ce}

.steps{margin:0;padding:0;list-style:none;counter-reset:s;display:grid;gap:.9rem}
.steps li{counter-increment:s;position:relative;padding:1.1rem 1.2rem 1.1rem 4rem;border:1px solid var(--line);border-left:3px solid var(--red);border-radius:var(--radius);background:var(--white)}
.steps li::before{content:counter(s);position:absolute;left:1.1rem;top:50%;transform:translateY(-50%);width:2rem;height:2rem;border-radius:50%;background:var(--plomo);color:var(--white);font-family:var(--font-head);font-weight:600;display:grid;place-items:center}

.checks{list-style:none;margin:0;padding:0;display:grid;gap:.8rem}
.checks li{padding:1rem 1.2rem 1rem 3rem;position:relative;background:rgba(255,255,255,.07);border-left:3px solid var(--red)}
.checks li::before{content:"";position:absolute;left:1.2rem;top:1.3rem;width:.9rem;height:.5rem;border-left:2px solid var(--white);border-bottom:2px solid var(--white);transform:rotate(-45deg)}

.grid-3,.levels,.news{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.grid-3 article{border-top:1px solid var(--line);padding-top:1rem}
.levels article{background:var(--white);padding:1.6rem;border:1px solid var(--line);border-top:3px solid var(--red);border-radius:var(--radius)}
.news article{border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;background:var(--white)}
.news time{display:block;font-size:.85rem;color:var(--red);font-weight:600;margin-bottom:.4rem}

/* Contacto */
address{font-style:normal;line-height:1.9}
.contact{display:grid;gap:1rem;background:var(--white);color:var(--ink);padding:1.5rem;border-radius:var(--radius);border-top:3px solid var(--red)}
.contact label{display:grid;gap:.3rem;font-weight:600;font-size:.9rem}
.contact input,.contact textarea{font:inherit;padding:.7rem .8rem;border:1px solid var(--line);border-radius:var(--radius);width:100%}
.contact input:focus,.contact textarea:focus{border-color:var(--plomo);outline:2px solid var(--plomo);outline-offset:0}
.contact .btn{background:var(--red);color:var(--white)}
.contact .btn:hover{background:var(--red-dark)}
.form-msg{margin:0;font-size:.9rem;min-height:1.2em}
.form-msg.ok{color:#2F6B2F}
.form-msg.err{color:var(--red)}

.site-footer{background:var(--plomo-dark);color:#cfd2d7;padding:1.5rem 0;font-size:.9rem;border-top:3px solid var(--red)}
.foot-in{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem}
.foot-in p{margin:0}

/* Responsive */
@media (max-width:900px){
  .hero-in,.split{grid-template-columns:1fr}
  .hero-crest{order:-1}
  .hero-crest img{width:min(240px,65%)}
  .grid-3,.levels,.news{grid-template-columns:1fr}
}
@media (max-width:820px){
  .nav-toggle{display:block}
  .nav{position:absolute;top:100%;left:0;right:0;background:var(--plomo-dark);flex-direction:column;padding:.5rem 1.25rem 1rem;display:none}
  .nav.open{display:flex}
  .nav a{padding:.8rem .5rem;border-bottom:1px solid rgba(255,255,255,.12)}
}
@media (max-width:520px){
  .brand span{font-size:1rem}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}