/* Alimerica Parts — sistema visual
   Paleta y tipografia bloqueadas por el cliente (ver 01_BRAND/Brand-Specifications.txt).
   Contraste verificado: rojo sobre blanco 4.97:1 (sirve como texto normal);
   rojo sobre negro 3.80:1 (solo texto grande/bold, nunca cuerpo);
   gris claro (#BFC0C2) 1.82:1 sobre blanco — nunca como texto, solo superficie/borde. */

:root{
  --red:#E10600;
  --red-dark:#b40500;
  --black:#111111;
  --charcoal:#1a1a1a;
  --dark-gray:#3D3D3D;
  --light-gray:#BFC0C2;
  --off-white:#F5F5F6;
  --white:#FFFFFF;

  --font-head:'Montserrat',Arial,Helvetica,sans-serif;
  --font-body:'Montserrat',Arial,Helvetica,sans-serif;

  --container:1220px;
  --gap:clamp(1.5rem,4vw,3.5rem);
  --radius:2px;

  --shadow-1:0 1px 2px rgba(0,0,0,.06),0 8px 24px rgba(0,0,0,.08);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--black);
  background:var(--white);
  font-weight:400;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{
  font-family:var(--font-head);
  font-weight:700;
  line-height:1.12;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
p{margin:0 0 1em}
.container{max-width:var(--container);margin:0 auto;padding:0 clamp(1.25rem,4vw,2.5rem)}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:1rem;top:-3rem;background:var(--black);color:var(--white);padding:.7rem 1.2rem;z-index:200;transition:top .15s}
.skip-link:focus{top:1rem}

/* ---------- botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--font-head);font-weight:700;font-size:.92rem;
  letter-spacing:.03em;text-transform:uppercase;text-decoration:none;
  padding:.95rem 1.9rem;border-radius:var(--radius);border:2px solid transparent;
  cursor:pointer;transition:background-color .15s,color .15s,border-color .15s;
  min-height:44px;
}
.btn-primary{background:var(--red);color:var(--white)}
.btn-primary:hover,.btn-primary:focus-visible{background:var(--red-dark)}
.btn-outline-dark{background:transparent;color:var(--white);border-color:rgba(255,255,255,.55)}
.btn-outline-dark:hover,.btn-outline-dark:focus-visible{background:rgba(255,255,255,.12);border-color:var(--white)}
.btn-outline-light{background:transparent;color:var(--black);border-color:var(--black)}
.btn-outline-light:hover,.btn-outline-light:focus-visible{background:var(--black);color:var(--white)}
.btn-block{width:100%}
.btn[disabled]{opacity:.6;cursor:not-allowed}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:var(--white);
  border-bottom:1px solid #e7e7e8;
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:76px}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand img{height:34px;width:auto}
.nav-primary{display:flex;align-items:center;gap:clamp(1rem,2vw,2.1rem)}
.nav-primary a{
  font-family:var(--font-head);font-weight:700;font-size:.86rem;letter-spacing:.02em;
  text-transform:uppercase;text-decoration:none;color:var(--black);padding:.4rem 0;
  border-bottom:2px solid transparent;
}
.nav-primary a:hover,.nav-primary a:focus-visible,.nav-primary a[aria-current="page"]{border-color:var(--red)}
.nav-actions{display:flex;align-items:center;gap:.9rem}
.nav-toggle{
  display:none;background:none;border:0;padding:.5rem;cursor:pointer;
  width:44px;height:44px;align-items:center;justify-content:center;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:22px;height:2px;background:var(--black);
  position:relative;transition:transform .18s,opacity .18s;
}
.nav-toggle span::before{position:absolute;top:-7px}
.nav-toggle span::after{position:absolute;top:7px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-7px) rotate(-45deg)}

@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav-primary{
    position:fixed;inset:76px 0 0 0;background:var(--black);
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:1.5rem clamp(1.25rem,6vw,2.5rem);gap:0;
    transform:translateX(100%);transition:transform .22s ease;
    overflow-y:auto;
  }
  .nav-primary.is-open{transform:translateX(0)}
  .nav-primary a{color:var(--white);padding:1.05rem 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:1rem}
  .nav-primary .btn{margin-top:1.25rem}
  .nav-actions .btn-primary{display:none}
}
@media (min-width:901px){
  .nav-primary .btn{display:none}
}

/* ---------- hero ---------- */
.hero{
  position:relative;color:var(--white);background:var(--black);
  padding:clamp(3.5rem,9vw,7rem) 0 clamp(3rem,7vw,5rem);
  overflow:hidden;
}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg img{width:100%;height:100%;object-fit:cover}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,10,10,.94) 0%,rgba(10,10,10,.88) 34%,rgba(10,10,10,.55) 62%,rgba(10,10,10,.4) 100%);
}
.hero__inner{position:relative;z-index:1;max-width:760px}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:.6em;font-size:.78rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--light-gray);margin-bottom:1.1rem;
}
.hero h1{font-size:clamp(2.1rem,5vw,3.4rem);color:var(--white)}
.hero h1 em{color:var(--red);font-style:normal}
.hero p.lead{font-size:1.05rem;color:#e7e7e8;max-width:560px}
.hero__ctas{display:flex;flex-wrap:wrap;gap:.9rem;margin:1.7rem 0 1.6rem}
.hero__badge{
  font-family:var(--font-head);font-weight:700;font-size:.78rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--light-gray);
}
.hero__badge .dot{color:var(--red);margin:0 .55em}

.page-hero{
  background:var(--black);color:var(--white);
  padding:clamp(3rem,7vw,4.5rem) 0;
}
.page-hero h1{font-size:clamp(1.9rem,4vw,2.7rem);color:var(--white)}
.page-hero p{color:var(--light-gray);max-width:640px;font-size:1.02rem}

/* ---------- secciones genericas ---------- */
section{padding:clamp(3rem,7vw,5.5rem) 0}
.section-dark{background:var(--black);color:var(--white)}
.section-dark h2,.section-dark h3{color:var(--white)}
.section-off{background:var(--off-white)}
.section-head{max-width:680px;margin-bottom:clamp(2rem,5vw,3rem)}
.eyebrow{
  display:block;font-size:.78rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--red);margin-bottom:.7rem;
}
.section-dark .eyebrow{color:var(--red)}
h2{font-size:clamp(1.6rem,3.4vw,2.35rem)}
.section-head p{color:var(--dark-gray);font-size:1.02rem}
.section-dark .section-head p{color:var(--light-gray)}

/* ---------- grids / cards ---------- */
.grid{display:grid;gap:clamp(1.1rem,2.5vw,1.75rem)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-form{grid-template-columns:1fr 1.4fr}
@media (max-width:920px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.grid-form{grid-template-columns:1fr 1.2fr}}
@media (max-width:760px){.grid-form{grid-template-columns:1fr}}
@media (max-width:600px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}}

.card{
  background:var(--white);border:1px solid #e7e7e8;border-radius:var(--radius);
  padding:1.9rem 1.7rem;
}
.card-icon{
  width:52px;height:52px;border-radius:50%;background:var(--off-white);
  display:flex;align-items:center;justify-content:center;margin-bottom:1.1rem;flex-shrink:0;
}
.card-icon svg{width:24px;height:24px;stroke:var(--red);fill:none}
.card h3{font-size:1.08rem;margin-bottom:.5rem}
.card p{color:var(--dark-gray);font-size:.95rem;margin-bottom:0}
.section-dark .card{background:var(--charcoal);border-color:#2c2c2c}
.section-dark .card-icon{background:#242424}
.section-dark .card p{color:var(--light-gray)}

.photo-card{
  position:relative;border-radius:var(--radius);overflow:hidden;color:var(--white);
  min-height:280px;display:flex;align-items:flex-end;
}
.photo-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.photo-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 30%,rgba(0,0,0,.82) 100%);z-index:0}
.photo-card__body{position:relative;z-index:1;padding:1.6rem}
.photo-card__tag{font-size:.74rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--light-gray);display:block;margin-bottom:.35rem}
.photo-card h3{color:var(--white);margin-bottom:.4rem;font-size:1.2rem}
.photo-card ul{margin:0;padding:0;list-style:none;font-size:.86rem;color:#dcdcdc}
.photo-card ul li{padding:.15rem 0}

.product-card{
  background:var(--black);color:var(--white);border-radius:var(--radius);
  padding:2rem 1.7rem;display:flex;flex-direction:column;gap:1rem;
}
.product-card .card-icon{background:#242424}
.product-card h3{color:var(--white);font-size:1.15rem}
.product-card p{color:var(--light-gray);font-size:.94rem;flex-grow:1}
.product-card a{
  font-weight:700;font-size:.82rem;letter-spacing:.05em;text-transform:uppercase;
  color:var(--red);text-decoration:none;display:inline-flex;align-items:center;gap:.4em;
}
.product-card a:hover{text-decoration:underline}

/* ---------- valores / franja de cifras ---------- */
.value-row{display:flex;flex-wrap:wrap;gap:2.2rem 2.8rem}
.value-row .value{flex:1 1 200px}
.value h3{font-size:1rem;text-transform:uppercase;letter-spacing:.04em}

/* ---------- CTA final ---------- */
.cta-split{
  display:grid;grid-template-columns:1fr 1fr;border:1px solid #e7e7e8;border-radius:var(--radius);overflow:hidden;
}
.cta-split > div{padding:clamp(1.8rem,4vw,2.6rem);display:flex;flex-direction:column;justify-content:center;gap:.9rem}
.cta-split .a{background:var(--black);color:var(--white)}
.cta-split .b{background:var(--off-white)}
.cta-split h3{font-size:1.3rem}
.cta-split .a h3{color:var(--white)}
.cta-split p{font-size:.94rem}
.cta-split .a p{color:var(--light-gray)}
.cta-split .b p{color:var(--dark-gray)}
@media (max-width:760px){.cta-split{grid-template-columns:1fr}}

/* ---------- formularios ---------- */
.form-card{background:var(--white);border:1px solid #e7e7e8;border-radius:var(--radius);padding:clamp(1.6rem,4vw,2.6rem)}
.section-dark .form-card{background:var(--charcoal);border-color:#2c2c2c}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
@media (max-width:640px){.form-row{grid-template-columns:1fr}}
.field{margin-bottom:1.1rem}
.field label{
  display:block;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;
  margin-bottom:.4rem;color:var(--dark-gray);
}
.section-dark .field label{color:var(--light-gray)}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--font-body);font-size:.98rem;padding:.75rem .85rem;
  border:1px solid #cfcfd1;border-radius:var(--radius);background:var(--white);color:var(--black);
}
.section-dark .field input,.section-dark .field select,.section-dark .field textarea{
  background:#242424;border-color:#3a3a3a;color:var(--white);
}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--red);outline-offset:1px}
.field textarea{resize:vertical;min-height:110px}
.field-required::after{content:" *";color:var(--red)}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-note{font-size:.82rem;color:var(--dark-gray);margin-top:.4rem}
.section-dark .form-note{color:var(--light-gray)}
.form-status{
  display:none;padding:.9rem 1rem;border-radius:var(--radius);font-size:.92rem;margin-bottom:1.1rem;
}
.form-status.is-visible{display:block}
.form-status.ok{background:#e6f5ea;color:#155a26;border:1px solid #b6e2c2}
.form-status.err{background:#fdeaea;color:#8c1414;border:1px solid #f3c1c1}

/* ---------- modal cotizacion ---------- */
.modal-overlay{
  position:fixed;inset:0;background:rgba(10,10,10,.72);z-index:300;
  display:none;align-items:flex-start;justify-content:center;padding:5vh 1rem;overflow-y:auto;
}
.modal-overlay.is-open{display:flex}
.modal{
  background:var(--white);border-radius:var(--radius);max-width:560px;width:100%;
  padding:clamp(1.6rem,4vw,2.4rem);position:relative;margin:auto;
}
.modal-close{
  position:absolute;top:1rem;right:1rem;background:none;border:0;cursor:pointer;
  width:36px;height:36px;font-size:1.4rem;line-height:1;color:var(--dark-gray);
}
.modal h2{font-size:1.4rem;margin-bottom:.3rem}
.modal > p{color:var(--dark-gray);margin-bottom:1.3rem}

/* ---------- footer ---------- */
.site-footer{background:var(--black);color:var(--light-gray);padding:clamp(2.5rem,6vw,3.5rem) 0 1.5rem}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2.2rem;padding-bottom:2.4rem;border-bottom:1px solid #2a2a2a}
@media (max-width:800px){.footer-top{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.footer-top{grid-template-columns:1fr}}
.footer-top img{height:30px;margin-bottom:1rem}
.footer-top p{font-size:.88rem;color:#a9a9ab}
.footer-badge{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:#8b8b8d}
.footer-col h4{color:var(--white);font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:1rem}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:.65rem}
.footer-col a{color:#c9c9cb;text-decoration:none;font-size:.92rem}
.footer-col a:hover{color:var(--white)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.8rem;padding-top:1.4rem;font-size:.8rem;color:#87878a}
.footer-bottom a{color:#87878a;text-decoration:underline}

/* ---------- utilidades ---------- */
.mt-0{margin-top:0}
.text-center{text-align:center}
/* Visible por defecto: si el JS no llega a correr (bloqueado, error, sin soporte),
   el contenido nunca debe depender de una transicion para ser visto. Solo cuando
   el JS confirma que puede revelarlo (clase js-reveal en <html>) se oculta primero. */
.reveal{opacity:1;transform:none}
.js-reveal .reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.js-reveal .reveal.is-visible{opacity:1;transform:none}

.compliance-note{font-size:.82rem;color:var(--dark-gray);border-left:3px solid var(--light-gray);padding:.2rem 0 .2rem 1rem;margin-top:1.5rem}
.section-dark .compliance-note{color:var(--light-gray);border-color:#3a3a3a}