/* ============================================================
     TOKENS DE DISEÑO — cambia esto para reskinnear el evento
     ============================================================ */
  :root{
    --paper:      #ffffff;   /* fondo general */
    --stone:      #f5f3ec;   /* fondo de secciones alternas */
    --ink:        #aa2971;   /* texto principal */
    --ink-soft:   #5b5a5c;   /* texto secundario */
    --sage:       #67537a;   /* acento principal */
    --sage-deep:  #8b5589;   /* header / footer / banda oscura */
    --sage-vip:   #9c3599;   /* header / footer / banda oscura */
    --sage-dark2: #3a0636;
    --gold:       #e6b960;   /* acento de detalle / línea de progreso */
    --line:       #e4e0d3;   /* líneas divisoras */

    --font-display: 'Fraunces', Georgia, serif;
    --font-body:    'Work Sans', -apple-system, sans-serif;

    --maxw: 1180px;
    --radius: 2px;
  }

  *{ box-sizing:border-box; margin:0; padding:0; }
  html{ scroll-behavior:smooth; }
  body{
    background:var(--paper);
    color:var(--ink);
    font-family:var(--font-body);
    font-weight:400;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  img{ max-width:100%; display:block; }
  a{ color:inherit; text-decoration:none; }
  .wrap{ max-width:var(--maxw); margin:0 auto; padding:0 32px; }

  .eyebrow{
    font-family:var(--font-body);
    font-size:12px;
    letter-spacing:.22em;
    text-transform:uppercase;
    color:var(--sage);
    font-weight:600;
    display:flex;
    align-items:center;
    gap:12px;
  }
  .eyebrow::before{
    content:"";
    width:28px; height:1px;
    background:var(--gold);
    display:inline-block;
  }
  h1,h2,h3{ font-family:var(--font-display); font-weight:500; color:var(--ink); }
  .btn{
    display:inline-flex; align-items:center; gap:10px;
    padding:16px 34px;
    background:var(--sage-deep);
    color:#fff;
    font-size:13px;
    letter-spacing:.12em;
    text-transform:uppercase;
    font-weight:500;
    border:1px solid var(--sage-deep);
    border-radius:var(--radius);
    transition:background .25s ease, color .25s ease, transform .2s ease;
    cursor:pointer;
  }
  .btn:hover{ background:transparent; color:var(--sage-dark2); transform:translateY(-2px); }
  .btn.ghost{ background:transparent; color:#fff; border-color:rgba(255,255,255,.5); }
  .btn.ghost:hover{ background:#fff; color:var(--sage-deep); }

  .btnvip{
    display:inline-flex; align-items:center; gap:10px;
    padding:16px 34px;
    background:var(--sage-vip);
    color:#fff;
    font-size:13px;
    letter-spacing:.12em;
    text-transform:uppercase;
    font-weight:500;
    border:1px solid var(--sage-vip);
    border-radius:var(--radius);
    transition:background .25s ease, color .25s ease, transform .2s ease;
    cursor:pointer;
  }
  .btnvip:hover{ background:transparent; color:var(--sage-dark2); transform:translateY(-2px); }
  .btnvip.ghost{ background:transparent; color:#fff; border-color:rgba(255,255,255,.5); }
  .btnvip.ghost:hover{ background:#fff; color:var(--sage-vip); }

  /* ============ progreso de scroll (elemento firma) ============ */
  #progress{
    position:fixed; top:0; left:0; height:3px;
    background:var(--gold);
    width:0%;
    z-index:1000;
    transition:width .08s linear;
  }

  /* ============ HEADER ============ */
  header{
    position:fixed; top:0; left:0; right:0; z-index:900;
    padding:22px 0;
    transition:background .35s ease, padding .35s ease, box-shadow .35s ease;
  }
  header .wrap{ display:flex; align-items:center; justify-content:space-between; }
  header.scrolled{
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(8px);
    padding:14px 0;
    box-shadow:0 1px 0 var(--line);
  }
  .logo-link{ display:flex; align-items:center; gap:12px; }
  .logo-img{ height:42px; width:auto; transition:filter .3s ease; }
  header:not(.scrolled) .logo-img{ filter:brightness(0) invert(1); }
  .logo-fallback{
    width:42px; height:42px; border-radius:50%;
    border:1.4px solid currentColor;
    display:flex; align-items:center; justify-content:center;
    font-family:var(--font-display); font-size:15px; letter-spacing:.03em;
    color:#fff; transition:color .3s ease;
  }
  header.scrolled .logo-fallback{ color:var(--sage-deep); }

  nav ul{ display:flex; gap:40px; list-style:none; }
  nav a{
    font-size:12.5px; letter-spacing:.14em; text-transform:uppercase;
    font-weight:500; color:#fff; position:relative; padding-bottom:4px;
    transition:color .3s ease;
  }
  header.scrolled nav a{ color:var(--ink); }
  nav a::after{
    content:""; position:absolute; left:0; bottom:0; width:0; height:1px;
    background:currentColor; transition:width .25s ease;
  }
  nav a:hover::after{ width:100%; }

  .nav-toggle{ display:none; background:none; border:0; cursor:pointer; }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
    content:""; display:block; width:24px; height:1.6px; background:#fff;
    transition:.3s ease; position:relative;
  }
  header.scrolled .nav-toggle span,
  header.scrolled .nav-toggle span::before,
  header.scrolled .nav-toggle span::after{ background:var(--ink); }
  .nav-toggle span::before{ content:""; position:absolute; top:-8px; }
  .nav-toggle span::after{ content:""; position:absolute; top:8px; }

  /* ============ HERO ============ */
  .hero{
    position:relative;
    min-height:100vh;
    display:flex; align-items:flex-start;
    background-color:var(--sage-dark2);
    overflow:hidden; /* recorta la capa de fondo que se mueve con el parallax */
  }
  /* capa de fondo del hero: se traslada con el scroll (parallax) */
  .hero-bg{
    position:absolute; left:0; right:0; top:-15%; height:130%;
    background-color:var(--sage-dark2);
    background-image:
      url('images/cover.jpg'),
      linear-gradient(135deg, #40492f 0%, #1f2417 100%);
    background-size:cover;
    background-position:center, center;
    background-repeat:no-repeat;
    will-change:transform;
    z-index:0;
  }

  /* capa de contraste fija sobre el fondo, para que el texto siempre sea legible */
  .hero-overlay{
    position:absolute; inset:0;
    /*background:linear-gradient(180deg, rgba(24,29,17,.35) 0%, rgba(24,29,17,.75) 100%);*/
    z-index:1;
  }
  .hero-content{
    position:relative; z-index:2;
    width:100%;
    padding:180px 0 90px;
    text-align:center;
    color:#fff;
  }
  .hero-logo{
    height:220px; width:auto; margin:0 auto 28px;
    /*filter:brightness(0) invert(1);
    opacity:.95;*/
  }
  .hero-logo-fallback{
    width:120px; height:220px; margin:0 auto 28px;
    border:1px solid rgba(255,255,255,.6);
    border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    font-family:var(--font-display); font-size:34px; color:#fff;
  }
  .hero h1{
    font-size:clamp(40px, 7vw, 84px);
    line-height:1.02;
    color:#fff;
    font-weight:500;
  }
  .hero h1 em{
    font-style:italic; font-weight:400; display:block;
    font-size:1.06em; color:var(--gold);
  }
  .hero .hero-meta{
    margin-top:26px;
    display:flex; justify-content:center; gap:26px; flex-wrap:wrap;
    font-size:13px; letter-spacing:.16em; text-transform:uppercase;
    color:rgba(255,255,255,1);
  }
  .hero .hero-meta span{ display:flex; align-items:center; gap:10px; }
  .hero .hero-meta span::before{ content:"—"; color:var(--gold); }
  .scroll-cue{
    position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
    z-index:2; color:#fff; font-size:11px; letter-spacing:.2em;
    text-transform:uppercase; display:flex; flex-direction:column;
    align-items:center; gap:10px; opacity:.8;
  }
  .scroll-cue .line{ width:1px; height:34px; background:rgba(255,255,255,.6);
    animation:pulseLine 2.2s ease-in-out infinite; }
  @keyframes pulseLine{ 0%,100%{opacity:.3} 50%{opacity:1} }

  /* ============ SECCIÓN genérica ============ */
  section{ padding:40px 0; }
  section.alt{ background:var(--stone); }
  .section-head{ max-width:640px; margin-bottom:56px; }
  .section-head h2{ font-size:clamp(30px,4vw,46px); margin-top:16px; }
  .section-head p{ margin-top:18px; color:var(--ink-soft); font-size:16.5px; max-width:560px; }

  /* ============ RESUMEN ============ */
  .summary-grid{
    display:grid; grid-template-columns:1.1fr .9fr; gap:80px; align-items:start;
  }
  .summary-grid p{ color:var(--ink-soft); font-size:19px; margin-top:18px; }
  .summary-grid p:first-of-type{ margin-top:0; font-size:20px; color:var(--ink); font-family:var(--font-display); font-style:italic; line-height:1.5; }
  .stat-list{ display:flex; flex-direction:column; gap:0; }
  .stat-list li{
    list-style:none; display:flex; justify-content:space-between; align-items:baseline;
    padding:20px 0; border-bottom:1px solid var(--line);
    font-size:14px;
  }
  .stat-list li:first-child{ padding-top:0; }
  .stat-list .label{ letter-spacing:.1em; text-transform:uppercase; color:var(--ink-soft); font-size:12px; }
  .stat-list .value{ font-family:var(--font-display); font-size:19px; color:var(--ink); text-align:right; }

  /* ============ REGISTRO ============ */
  .suscortesia{
    font-family:var(--font-body);
    letter-spacing:.1em; 
    text-transform:uppercase; 
    color:var(--paper); 
    font-size:21px;
  }
  .suscortesia b{
    color:var(--gold); 
  }
  .registro-band{
    background:var(--sage-deep);
    color:#fff;
    border-radius:var(--radius);
    padding:50px 50px;
    max-width:1024px;
    left: 50%;
    transform: translateX(-50%);
    position:relative;
    overflow:hidden;
  }
  .registro-band::before{
    content:""; position:absolute; inset:0;
    background:radial-gradient(circle at 85% 15%, rgba(181,151,90,.25), transparent 55%);
  }
  .registro-top{ position:relative; text-align:center; max-width:760px; margin:0 auto 50px; }
  .registro-top .eyebrow{ justify-content:center; color:var(--gold); }
  .registro-top .eyebrow::before{ background:var(--gold); }
  .registro-top h2{ color:#fff; margin-top:16px; font-size:clamp(26px,3.4vw,38px); }
  .registro-top p{ margin-top:14px; color:rgba(255,255,255,.75); }

  .registro-cards{
    position:relative;
    display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
    gap:24px;
  }
  .registro-card{
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.56);
    border-radius:var(--radius);
    padding:32px 28px;
    text-align:center;
  }
  .registro-card .day{ font-family:var(--font-display); font-size:22px; margin-bottom:14px; }
  .registro-card .hours{ font-size:16px; font-weight: bold; color:var(--gold); letter-spacing:.06em; }
  .registro-card .note{ margin-top:6px; font-size:14px; color:rgba(255,255,255,.65); text-transform:uppercase; letter-spacing:.08em; }
  .registro-card .btn, .btnvip{ margin-top:22px; width:100%; justify-content:center; }

    /* ============ PATROCINADORES ============ */
  .spon-grid{
    display:grid; grid-template-columns:repeat(4, 1fr);
    gap:1px; 
    border:0px solid var(--line);
  }
  .spon-logo{
    background:var(--paper);
    aspect-ratio:1/1;
    display:flex; align-items:center; justify-content:center;
    padding:3px;
    position:relative;
  }
  .spon-logo .ph{
    width:100%; height:100%;
    display:flex; align-items:center; justify-content:center;
    position:relative;
  }
  .spon-logo .ph img{
    max-width:100%; max-height:100%; object-fit:contain;
    filter:grayscale(0) contrast(1);
    opacity:1;
    transition:filter .3s ease, opacity .4s ease, scale .3s;
  }

  .spon-logo .ph img.loaded{ opacity:1; }
  .spon-logo:hover .ph img{ filter:grayscale(0); scale: 1.15; z-index: 99; }

  /* ============ PARTICIPANTES ============ */
  .sponsor-grid{
    display:grid; grid-template-columns:repeat(4, 1fr);
    gap:5px; 
    border:0px solid var(--line);
  }
  .sponsor-logo{
    background:var(--paper);
    aspect-ratio:1/1;
    display:flex; align-items:center; justify-content:center;
    padding:3px;
    position:relative;
  }
  .sponsor-logo .ph{
    width:100%; height:100%;
    display:flex; align-items:center; justify-content:center;
    position:relative;
  }
  .sponsor-logo .ph img{
    max-width:100%; max-height:100%; object-fit:contain;
    filter:grayscale(0) contrast(1);
    opacity:1;
    transition:filter .3s ease, opacity .4s ease, scale .3s;
  }

  /*
  .sponsor-logo .ph img{
    max-width:100%; max-height:100%; object-fit:contain;
    filter:grayscale(1) contrast(.9);
    opacity:0;
    transition:filter .3s ease, opacity .4s ease;
  }
  */

  .sponsor-logo .ph img.loaded{ opacity:1; }
  .sponsor-logo:hover .ph img{ filter:grayscale(0); scale: 0.7; opacity:0.7 !important; z-index: 99; }

  /* ============ GALERÍA ============ */
  .gallery-grid{
    display:grid;
    grid-template-columns:repeat(5, 1fr);
    grid-auto-rows:190px;
    gap:6px;
  }
  .gallery-item{
    position:relative; overflow:hidden; cursor:pointer;
    background-color:#e9e6da;
  }
  .gallery-item .ph-img{
    position:absolute; inset:0;
    background-image:var(--fallback, none); /* degradado visible mientras carga la foto */
    background-size:cover; background-position:center;
    overflow:hidden;
  }
  .gallery-item .ph-img img{
    width:100%; height:100%; object-fit:cover; display:block;
    opacity:0; transition:opacity .5s ease, transform .6s ease;
  }
  .gallery-item .ph-img img.loaded{ opacity:1; }
  .gallery-item:hover .ph-img img{ transform:scale(1.06); }
  .gallery-item::after{
    content:attr(data-caption);
    position:absolute; left:0; right:0; bottom:0;
    padding:12px 14px 10px;
    font-size:11px; letter-spacing:.08em; text-transform:uppercase;
    color:#fff;
    background:linear-gradient(0deg, rgba(0,0,0,.55), transparent);
    opacity:0; transition:opacity .3s ease;
  }
  .gallery-item:hover::after{ opacity:1; }
  .gallery-item.big{ grid-column:span 2; grid-row:span 2; }

  /* lightbox */
  .lightbox{
    position:fixed; inset:0; background:rgba(20,24,15,.95);
    display:none; align-items:center; justify-content:center;
    z-index:1100; padding:40px;
  }
  .lightbox.open{ display:flex; }
  .lightbox img{ max-width:min(90vw,900px); max-height:82vh; object-fit:contain; }
  .lightbox-close{
    position:absolute; top:26px; right:32px; color:#fff; font-size:14px;
    letter-spacing:.14em; text-transform:uppercase; cursor:pointer;
    display:flex; align-items:center; gap:8px;
  }
  .lightbox-nav{
    position:absolute; top:50%; transform:translateY(-50%);
    color:#fff; font-size:28px; cursor:pointer; padding:10px 16px;
    opacity:.7; transition:opacity .2s ease;
  }
  .lightbox-nav:hover{ opacity:1; }
  .lightbox-nav.prev{ left:14px; } .lightbox-nav.next{ right:14px; }

  /* ============ UBICACIÓN ============ */
  .location-grid{
    display:grid; grid-template-columns:1.1fr .9fr; gap:0;
    border:1px solid var(--line);
  }
  .map-frame{ width:100%; height:100%; min-height:440px; border:0; filter:grayscale(.15); }
  .location-info{ background:var(--stone); padding:48px 44px; display:flex; flex-direction:column; }
  .location-info h3{ font-size:26px; }
  .venue-photo{
    margin-top:22px; height:280px; border-radius:var(--radius); overflow:hidden;
    background-color:#ddd8c8;
    background-image:url('images/fachada.jpg'), linear-gradient(135deg,#c9c4ae,#a9a48e);
    background-size:cover; background-position:center;
  }
  .location-details{ margin-top:24px; display:flex; flex-direction:column; gap:10px; font-size:14.5px; color:var(--ink-soft); }
  .location-details a{ color:var(--sage-deep); font-weight:500; }
  .location-details .row{ display:flex; gap:12px; }
  .location-details .row .ico{ color:var(--gold); flex:0 0 auto; }

  /* ============ FOOTER ============ */
  footer{ background:var(--sage-dark2); color:rgba(255,255,255,.75); padding:80px 0 30px; }
  .footer-grid{
    display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:56px;
    padding-bottom:56px; border-bottom:1px solid rgba(255,255,255,.12);
  }
  footer h4{
    font-family:var(--font-body); font-size:11.5px; letter-spacing:.16em;
    text-transform:uppercase; color:var(--gold); margin-bottom:18px; font-weight:600;
  }
  footer .foot-logo{ height:36px; filter:brightness(0) invert(1); margin-bottom:16px; }
  footer p{ font-size:14px; line-height:1.8; color:rgba(255,255,255,.6); }
  footer ul{ list-style:none; display:flex; flex-direction:column; gap:10px; }
  footer ul a{ font-size:14px; color:rgba(255,255,255,.75); transition:color .2s ease; }
  footer ul a:hover{ color:#fff; }
  .footer-bottom{
    padding-top:26px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
    font-size:12.5px; color:rgba(255,255,255,.45); letter-spacing:.03em;
  }

  /* ============ CATAS (programa por día) ============ */
  .catas-grid{
    display:grid; grid-template-columns:repeat(2,1fr);
    gap:48px;
  }
  .catas-day-title{
    background:var(--sage-deep);
    color:#fff;
    font-size:clamp(22px,2.6vw,28px);
    font-weight:500;
    text-align:center;
    padding:14px 20px;
    border-radius:var(--radius);
  }
  .catas-list{
    list-style:none;
    margin-top:36px;
    text-align:center;            /* como en la referencia; cambia a left o center si prefieres */
  }
  .catas-item{ padding:0 8px 42px 0; }
  .catas-item:last-child{ padding-bottom:0; }
  .catas-item span{ display:block; }
  .catas-time{
    font-family:var(--font-display);
    font-size:22px; font-weight:600; line-height:1.2;
    color:var(--sage-deep);
  }
  .catas-brand{
    margin-top:4px;
    font-size:17px; font-weight:600;
    letter-spacing:.1em; text-transform:uppercase;
    color:var(--sage-dark2);
  }
  .catas-room{
    margin-top:14px;
    font-size:13px; letter-spacing:.06em; text-transform:uppercase;
    color:var(--ink-soft);
  }
  @media (max-width:900px){
    .catas-grid{ grid-template-columns:1fr; gap:56px; }
  }

  /* ============ responsive ============ */
  @media (max-width:900px){
    .summary-grid{ grid-template-columns:1fr; gap:44px; }
    .location-grid{ grid-template-columns:1fr; }
    .spon-grid{ grid-template-columns:repeat(1,1fr); }
    .sponsor-grid{ grid-template-columns:repeat(3,1fr); }
    .gallery-grid{ grid-template-columns:repeat(3,1fr); grid-auto-rows:150px; }
    .footer-grid{ grid-template-columns:1fr 1fr; }
  }
  @media (max-width:680px){
    nav{
      position:fixed; top:0; right:0; height:100vh; width:78%;
      background:var(--sage-deep); padding:110px 36px 40px;
      transform:translateX(100%); transition:transform .35s ease; z-index:850;
    }
    nav.open{ transform:translateX(0); }
    nav ul{ flex-direction:column; gap:26px; }
    nav a{ color:#fff !important; font-size:15px; }
    .nav-toggle{ display:block; z-index:950; }
    section{ padding:80px 0; }
    .registro-band{ padding:44px 24px; }
    .sponsor-grid{ grid-template-columns:repeat(2,1fr); }
    .gallery-grid{ grid-template-columns:repeat(2,1fr); grid-auto-rows:130px; }
    .gallery-item.big{ grid-column:span 2; grid-row:span 1; }
    .footer-grid{ grid-template-columns:1fr; }
    .footer-bottom{ flex-direction:column; }
  }

  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
    *{ animation:none !important; transition:none !important; }
  }

  .tope{
  }