/* =========================================================
   Media Maratón Ruta de los Ulmos — v2
   ========================================================= */

:root{
  --accent:#E8442E;
  --accent-glow:rgba(232,68,46,.5);
  --bg:#0B0C0F;
  --bg-alt:#111318;
  --bg-live:#101216;
  --fg:#F4F5F7;
  --line:rgba(255,255,255,.14);
  --line-soft:rgba(255,255,255,.10);
  --muted:rgba(255,255,255,.62);
  --muted-2:rgba(255,255,255,.5);
  --muted-3:rgba(255,255,255,.45);
  --wrap:1200px;
  --pad:48px;
  --font-body:'Barlow',system-ui,sans-serif;
  --font-display:'Barlow Condensed','Barlow',sans-serif;
  --font-ui:'Archivo','Barlow',sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--fg);
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--accent);color:#fff}
a{color:inherit}
img{max-width:100%}
.page{overflow-x:hidden}
.wrap{max-width:var(--wrap);margin:0 auto}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--accent);color:#fff;padding:12px 20px;
  font-family:var(--font-ui);font-weight:800;font-size:13px;text-decoration:none;
}
.skip-link:focus{left:12px;top:12px}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

@keyframes riseIn{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulseDot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.65)}}

/* ---------- primitivas ---------- */
.kicker{
  font-family:var(--font-ui);font-weight:700;font-size:11px;
  letter-spacing:.28em;text-transform:uppercase;color:var(--accent);
}
.h2{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(40px,5.5vw,68px);line-height:.92;
  text-transform:uppercase;color:#fff;margin-top:10px;
}
.h2--sm{font-size:clamp(36px,5vw,60px);margin:14px 0 20px}
.h2--xs{font-size:clamp(32px,4.5vw,56px);line-height:.95;margin:12px 0 8px}
.h2--tight{max-width:20ch;margin-top:0}
.h3{font-family:var(--font-display);font-weight:800;font-size:36px;text-transform:uppercase;color:#fff}
.lead{font-family:var(--font-body);font-size:18px;line-height:1.66;color:var(--muted);max-width:52ch}
.lead--sm{font-size:17px;line-height:1.62;margin-top:14px}
.lead strong{color:#fff}
.note{font-family:var(--font-ui);font-weight:600;font-size:12px;letter-spacing:.04em;color:var(--muted-2)}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-ui);font-weight:800;font-size:13px;
  letter-spacing:.14em;text-transform:uppercase;text-decoration:none;
  padding:16px 32px;border:0;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease;
}
.btn--accent{color:#0B0C0F;background:var(--accent);box-shadow:0 12px 32px var(--accent-glow)}
.btn--accent:hover{transform:translateY(-2px);box-shadow:0 18px 40px var(--accent-glow)}
.btn--sm{font-size:12.5px;letter-spacing:.16em;padding:13px 28px;box-shadow:0 8px 24px var(--accent-glow)}
.btn--lg{font-size:15px;letter-spacing:.12em;padding:21px 44px;box-shadow:0 16px 44px var(--accent-glow)}
.btn--ghost{
  color:#fff;background:transparent;border:1px solid rgba(255,255,255,.35);
  font-weight:700;padding:15px 30px;
}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}

.link-underline{
  font-family:var(--font-ui);font-weight:700;font-size:13px;
  letter-spacing:.14em;text-transform:uppercase;color:#fff;text-decoration:none;
  border-bottom:2px solid var(--accent);padding-bottom:6px;
}

.dot{width:8px;height:8px;border-radius:50%;animation:pulseDot 1.3s ease-in-out infinite;flex:none}
.dot--white{background:#fff}

.eyebrow{display:flex;align-items:center;gap:16px}
.eyebrow--center{justify-content:center;gap:14px;margin-bottom:22px}
.eyebrow__rule{width:56px;height:1px;background:var(--accent);flex:none}
.eyebrow__rule--sm{width:44px}
.eyebrow__text{
  font-family:var(--font-ui);font-weight:700;font-size:12px;
  letter-spacing:.34em;text-transform:uppercase;color:#fff;
}
.eyebrow__text--dark{font-size:11px;letter-spacing:.3em;color:#0B0C0F}

/* reveal on scroll — solo se oculta si el JS está vivo (clase .js en <html>) */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.is-in{opacity:1;transform:none}

/* ---------- NAV ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px var(--pad);background:transparent;
  border-bottom:1px solid transparent;
  transition:background .35s ease,padding .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.nav.is-scrolled{
  padding:12px var(--pad);background:var(--bg);
  box-shadow:0 8px 30px rgba(0,0,0,.45);
  border-bottom-color:var(--line-soft);
}
.nav__brand{display:flex;align-items:center;text-decoration:none}
.brand-img{height:66px;width:auto;display:block;transition:height .35s ease}
.nav.is-scrolled .brand-img{height:52px}
.nav__menu{display:flex;align-items:center;gap:30px}
.nav__link{
  font-family:var(--font-ui);font-weight:600;font-size:12px;
  letter-spacing:.16em;text-transform:uppercase;
  color:rgba(255,255,255,.72);text-decoration:none;
  transition:color .2s ease;
}
.nav__link:hover,.nav__link.is-active{color:#fff}

.nav__toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;background:transparent;border:0;cursor:pointer;padding:0 10px;
}
.nav__toggle span{display:block;height:2px;background:#fff;transition:transform .3s ease,opacity .2s ease}
.nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- HERO ---------- */
.hero{
  position:relative;min-height:100vh;min-height:100svh;
  display:flex;flex-direction:column;padding:128px var(--pad) 0;
  background-color:#141822;
  background-image:
    linear-gradient(180deg,rgba(6,7,9,.7) 0%,rgba(6,7,9,0) 22%),
    linear-gradient(90deg,rgba(6,7,9,.78) 0%,rgba(6,7,9,.36) 28%,rgba(6,7,9,0) 52%),
    linear-gradient(180deg,rgba(11,12,15,0) 68%,rgba(11,12,15,.62) 86%,#0B0C0F 100%),
    url('assets/hero-background-v4.png');
  background-size:cover;background-position:center right;
}
.hero__inner{flex:1;width:100%;max-width:var(--wrap);margin:0 auto;display:flex;align-items:center}
.hero__content{
  max-width:640px;display:flex;flex-direction:column;align-items:flex-start;
  animation:riseIn .9s ease both;
}
.hero__title{
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(56px,9.5vw,130px);line-height:.84;letter-spacing:-.01em;
  text-transform:uppercase;color:#fff;margin-top:24px;
  text-shadow:0 10px 50px rgba(0,0,0,.45);
}
.hero__facts{display:flex;flex-wrap:wrap;gap:18px 44px;margin-top:44px}
.fact{border-left:2px solid var(--accent);padding-left:16px}
.fact__label{
  font-family:var(--font-ui);font-weight:600;font-size:11px;
  letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.55);
}
.fact__value{font-family:var(--font-display);font-weight:700;font-size:27px;line-height:1.15;color:#fff}
.hero__actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap;margin-top:46px}

.hero__bar{
  width:100%;max-width:var(--wrap);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;padding:22px 0 30px;
  border-top:1px solid rgba(255,255,255,.16);
}
.countdown{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.countdown__label{
  font-family:var(--font-ui);font-weight:700;font-size:11px;
  letter-spacing:.24em;text-transform:uppercase;color:var(--muted-2);white-space:nowrap;
}
.countdown__units{display:flex;gap:22px}
.cd-unit{text-align:center;min-width:58px}
.cd-unit__value{
  font-family:var(--font-display);font-weight:900;font-size:46px;line-height:1;
  color:#fff;font-variant-numeric:tabular-nums;
}
.cd-unit__label{
  font-family:var(--font-ui);font-weight:600;font-size:10px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);margin-top:4px;
}
.hero__badge{
  width:116px;height:auto;flex:none;
  filter:brightness(0) invert(1) drop-shadow(0 4px 14px rgba(0,0,0,.5));
  opacity:.95;
}

/* ---------- SECTIONS ---------- */
.section{padding:96px var(--pad)}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line-soft)}
.section--notop{border-top:0;padding-top:0}
.section__head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;flex-wrap:wrap;margin-bottom:20px;
}
.section__head--mb{margin-bottom:32px}
.section__aside{font-family:var(--font-body);font-size:15px;color:var(--muted-2);max-width:34ch}

/* ---------- EVENTO ---------- */
.evento{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.evento .h2{margin:14px 0 20px}
.evento__meta{display:grid;grid-template-columns:1fr 1fr;margin-top:34px}
.meta-cell{padding:20px 0 20px 24px;border-top:1px solid var(--line)}
.meta-cell--divider{padding:20px 24px 20px 0;border-right:1px solid var(--line)}
.meta-cell__label{
  font-family:var(--font-ui);font-weight:700;font-size:11px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted-3);
}
.meta-cell__value{font-family:var(--font-body);font-weight:500;font-size:16px;line-height:1.45;color:var(--fg);margin-top:4px}

.stats{display:grid;grid-template-columns:1fr 1fr}
.stat{padding:30px 32px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat--b0{border-bottom:0}
.stat--r{border-right:1px solid var(--line)}
.stat__num{font-family:var(--font-display);font-weight:900;font-size:clamp(52px,6vw,72px);line-height:.85;color:#fff}
.stat__num--accent{color:var(--accent)}
.stat__label{
  font-family:var(--font-ui);font-weight:600;font-size:11px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted-3);margin-top:8px;
}

/* ---------- LIVE ---------- */
.live{
  position:relative;padding:64px var(--pad);background:var(--bg-live);
  border-top:3px solid var(--accent);border-bottom:1px solid var(--line-soft);
}
.live__inner{display:flex;align-items:center;justify-content:space-between;gap:56px;flex-wrap:wrap}
.live__main{flex:1;min-width:min(380px,100%)}
.live-pill{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--accent);padding:8px 16px;margin-bottom:18px;
  font-family:var(--font-ui);font-weight:800;font-size:11px;
  letter-spacing:.24em;text-transform:uppercase;color:#fff;
}
.live__actions{display:flex;gap:18px 26px;align-items:center;flex-wrap:wrap;margin-top:26px}
.live__app{flex:none;width:min(460px,100%)}
.live__app img{display:block;width:100%;height:auto}

/* ---------- CIRCUITOS ---------- */
.circuitos{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);margin-top:8px;
}
.circuito{
  display:block;text-decoration:none;background:var(--bg);
  padding:38px 36px;transition:background .25s ease;
}
.circuito:hover{background:#141519}
.circuito__top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.circuito__dist{font-family:var(--font-display);font-weight:900;font-size:clamp(56px,7vw,96px);line-height:.82;color:#fff}
.circuito__tag{
  font-family:var(--font-ui);font-weight:700;font-size:11px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-top:6px;
}
.circuito__when{text-align:right;flex:none}
.circuito__when-label{
  font-family:var(--font-ui);font-weight:600;font-size:10px;
  letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.4);
}
.circuito__hora{font-family:var(--font-display);font-weight:800;font-size:34px;color:#fff}
.circuito__desc{font-family:var(--font-body);font-size:15.5px;line-height:1.55;color:var(--muted);margin:16px 0 22px;max-width:42ch}
.circuito__cta{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-ui);font-weight:800;font-size:12px;
  letter-spacing:.14em;text-transform:uppercase;color:#fff;
  border-bottom:2px solid var(--accent);padding-bottom:5px;
}

.records{margin-top:56px}
.records__head{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:8px}
.records__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0 48px}
.record{
  display:flex;align-items:center;gap:14px;padding:14px 0;
  border-bottom:1px solid var(--line-soft);
}
.record__dist{font-family:var(--font-display);font-weight:900;font-size:22px;color:var(--accent);min-width:48px}
.record__name{font-family:var(--font-body);font-weight:500;font-size:15px;color:var(--fg);flex:1}
.record__time{font-family:var(--font-display);font-weight:800;font-size:22px;color:#fff;white-space:nowrap}

/* ---------- GALERÍA ---------- */
.galeria{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.galeria__item{
  position:relative;aspect-ratio:4/3;overflow:hidden;
  background:#191b21;border:0;padding:0;cursor:zoom-in;display:block;
}
.galeria__item img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .5s ease,filter .4s ease;
}
.galeria__item:hover img{transform:scale(1.06);filter:brightness(1.08)}

/* ---------- BASES ---------- */
.bases{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start;padding-top:96px}
.bases__cta{margin-top:28px}
.bases__grid{display:grid;grid-template-columns:1fr 1fr}
.base{padding:28px 28px 28px 0;border-top:1px solid var(--line)}
.base__num{font-family:var(--font-display);font-weight:900;font-size:20px;color:var(--accent)}
.base__title{
  font-family:var(--font-display);font-weight:800;font-size:24px;
  text-transform:uppercase;color:#fff;line-height:1;margin-top:6px;
}
.base__text{font-family:var(--font-body);font-size:14.5px;line-height:1.55;color:rgba(255,255,255,.58);margin-top:8px;padding-right:14px}

/* ---------- INSCRÍBETE ---------- */
.inscribete{padding:110px var(--pad);background:#F5F6F8}
.inscribete__inner{text-align:center}
.inscribete__title{
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(44px,7vw,92px);line-height:.84;text-transform:uppercase;color:#0B0C0F;
}
.inscribete__lead{
  font-family:var(--font-body);font-size:19px;line-height:1.55;
  color:rgba(11,12,15,.62);max-width:52ch;margin:22px auto 40px;
}
.form-frame{
  background:#fff;border:1px solid rgba(11,12,15,.1);
  box-shadow:0 24px 64px rgba(11,12,15,.1);padding:10px;
}
/* height la fija embed.js inline; min-height es sólo el placeholder de carga */
.form-frame iframe{width:100%;min-height:620px;border:0;display:block;background:#fff}

/* ---------- SPONSORS ---------- */
.sponsors{padding:88px var(--pad);border-top:1px solid var(--line-soft)}
.sponsors__inner{text-align:center}
.sponsors__lead{font-family:var(--font-body);font-size:16px;color:var(--muted-2);max-width:48ch;margin:0 auto 44px}
.sponsors__grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
}
/* Fondo claro: los logos de auspiciador vienen en versiones oscuras y sobre
   negro se pierden por completo. Los que vienen en versión clara (blanco/amarillo)
   usan .sponsor--dark. Altura fija para igualar el tamaño óptico entre logos. */
.sponsor{
  position:relative;background:#fff;
  display:flex;align-items:center;justify-content:center;padding:14px 10px;
}
.sponsor--dark{background:#141822}
.sponsor:has(.sponsor__placeholder){background:var(--bg)}
/* Los archivos normalizados (3:2) traen su propio margen blanco interno,
   por eso la altura es mayor y el padding de la celda es mínimo. */
.sponsor img{
  height:132px;max-width:100%;object-fit:contain;
}
.sponsor__placeholder{
  font-family:var(--font-ui);font-weight:600;font-size:10px;
  letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.22);
}
.sponsors__cta{
  font-family:var(--font-ui);font-weight:600;font-size:13px;
  letter-spacing:.04em;color:var(--muted-2);margin-top:34px;
}
.sponsors__cta a{color:var(--accent);text-decoration:underline}

/* ---------- WHATSAPP FAB ---------- */
/* Sobre el header (50), bajo el lightbox (90). */
.whatsapp-fab{
  position:fixed;right:20px;bottom:20px;z-index:60;
  width:56px;height:56px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(0,0,0,.4);
  transition:transform .2s ease,box-shadow .2s ease;
}
.whatsapp-fab:hover{transform:scale(1.08);box-shadow:0 10px 28px rgba(0,0,0,.5)}
.whatsapp-fab svg{width:30px;height:30px;fill:#fff}

/* ---------- FOOTER ---------- */
.footer{background:#08090B;border-top:1px solid var(--line-soft);padding:72px var(--pad) 0}
.footer__top{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:56px;align-items:start;padding-bottom:64px}
.footer__logo{height:60px;width:auto;display:block}
.footer__about{font-family:var(--font-body);font-size:15px;line-height:1.7;color:rgba(255,255,255,.55);max-width:36ch;margin-top:18px}
.footer__title{
  font-family:var(--font-ui);font-weight:700;font-size:11px;
  letter-spacing:.24em;text-transform:uppercase;color:var(--accent);margin-bottom:16px;
}
.footer__list{display:flex;flex-direction:column;gap:9px;font-family:var(--font-body);font-size:15px;line-height:1.5;color:rgba(255,255,255,.7)}
.footer__list a{color:rgba(255,255,255,.7);text-decoration:none}
.footer__list a:hover{color:#fff}
.footer__legal{border-top:1px solid var(--line-soft)}
.footer__legal-inner{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px 0;
  font-family:var(--font-ui);font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.38);
}
.footer__powered{
  border-top:1px solid rgba(255,255,255,.08);background:#050506;
  margin:0 calc(var(--pad) * -1);padding:15px var(--pad);text-align:center;
  font-family:var(--font-ui);font-weight:600;font-size:12px;
  letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.4);
}
.footer__powered a{color:var(--accent);text-decoration:none}

/* ---------- LIGHTBOX ---------- */
.lightbox{
  position:fixed;inset:0;z-index:90;
  display:flex;align-items:center;justify-content:center;gap:12px;
  background:rgba(5,5,6,.975);padding:32px;
}
.lightbox[hidden]{display:none}
.lightbox__img{max-width:min(1100px,86vw);max-height:86vh;object-fit:contain;display:block}
.lightbox__close,.lightbox__nav{
  background:transparent;border:0;color:#fff;cursor:pointer;
  font-family:var(--font-display);line-height:1;opacity:.7;transition:opacity .2s ease;
}
.lightbox__close:hover,.lightbox__nav:hover{opacity:1}
.lightbox__close{position:absolute;top:20px;right:26px;font-size:48px}
.lightbox__nav{font-size:64px;padding:0 8px}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1080px){
  :root{--pad:32px}
  .evento{grid-template-columns:1fr;gap:44px}
  .bases{grid-template-columns:1fr;gap:40px}
  .records__grid{grid-template-columns:repeat(2,1fr);gap:0 32px}
  .galeria{grid-template-columns:repeat(3,1fr)}
  .footer__top{grid-template-columns:1fr 1fr;gap:40px}
  .live__inner{gap:36px}
}

@media (max-width:860px){
  :root{--pad:22px}
  html{scroll-padding-top:80px}

  .nav{padding:14px var(--pad)}
  .nav.is-scrolled{padding:10px var(--pad)}
  .brand-img,.nav.is-scrolled .brand-img{height:46px}
  .nav__toggle{display:flex}
  .nav__menu{
    position:fixed;inset:72px 0 auto 0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg);border-bottom:1px solid var(--line-soft);
    padding:8px var(--pad) 24px;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .25s ease,transform .25s ease;
    max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .nav__menu.is-open{transform:none;opacity:1;pointer-events:auto}
  /* con el menú desplegado la barra necesita fondo sólido */
  .nav:has(.nav__menu.is-open){background:var(--bg)}
  .nav__link{padding:16px 0;border-bottom:1px solid var(--line-soft);font-size:14px}
  .nav__menu .btn{justify-content:center;margin-top:18px}

  /* En móvil el texto cae sobre el sujeto de la foto: oscurecemos más. */
  .hero{
    padding-top:104px;background-position:62% center;
    background-image:
      linear-gradient(180deg,rgba(6,7,9,.82) 0%,rgba(6,7,9,.34) 34%,rgba(6,7,9,.5) 58%,rgba(11,12,15,.9) 88%,#0B0C0F 100%),
      url('assets/hero-background-v4.png');
  }
  .hero__facts{gap:16px 28px;margin-top:32px}
  .fact__value{font-size:22px}
  .hero__actions{gap:20px;margin-top:34px}
  .btn--lg{padding:18px 32px;font-size:14px}
  .hero__bar{padding:18px 0 24px;gap:20px}
  .countdown{gap:16px;width:100%}
  .countdown__units{gap:14px;flex:1;justify-content:space-between}
  .cd-unit{min-width:0}
  .cd-unit__value{font-size:34px}
  .hero__badge{width:88px}

  .section{padding:64px var(--pad)}
  .bases{padding-top:64px}
  .inscribete{padding:72px var(--pad)}
  .sponsors{padding:64px var(--pad)}
  .footer{padding-top:56px}

  .evento__meta{grid-template-columns:1fr}
  .meta-cell--divider{padding:20px 0;border-right:0}
  .stat{padding:24px 20px}

  .live{padding:48px var(--pad)}
  .live__app{width:100%;max-width:400px;margin:0 auto}

  .circuitos{grid-template-columns:1fr}
  .circuito{padding:28px 24px}
  .records__grid{grid-template-columns:1fr;gap:0}
  .h3{font-size:30px}

  .galeria{grid-template-columns:repeat(2,1fr);gap:8px}
  .bases__grid{grid-template-columns:1fr}
  .base{padding:22px 0}
  .base__text{padding-right:0}

  .form-frame iframe{min-height:560px}

  .sponsors__grid{grid-template-columns:repeat(2,1fr)}
  .sponsor{padding:10px 6px}
  .sponsor img{height:96px}
  .footer__top{grid-template-columns:1fr;gap:36px;padding-bottom:44px}
  .footer__legal-inner{font-size:11px}

  .lightbox{padding:16px}
  .lightbox__nav{font-size:44px}
  .lightbox__close{font-size:38px;top:10px;right:14px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .js .reveal{opacity:1;transform:none}
}