/* ========= Base (limpio, sin comentarios abiertos) ========= */
:root{
  --primary:#0b4aa2;
  --secondary:#1e6ad6;
  --accent:#ffd166;
  --ink:#0f172a;
  --muted:#64748b;
  --bg:#f6f8fb;
  --card:#ffffff;
  --ring:#e2e8f0;
}

*{ box-sizing:border-box; }

html{ scroll-behavior:smooth;}

body{
   margin: 0;
  font-family: "Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: #1f2937;

  /* CAPAS: gradientes (encima) + imagen (debajo) */
  background:
    radial-gradient(circle at 30% 40%, rgba(14,165,233,0.18), transparent 70%),
    radial-gradient(circle at 70% 60%, rgba(59,130,246,0.15), transparent 70%),
    url("../images/bg.svg");

  /* Ajustes por capa (3 valores = 3 capas, en el mismo orden) */
  background-position: 30% 40%, 70% 60%, center;
  background-size: 200% 200%, 200% 200%, cover;
  background-repeat: no-repeat, no-repeat, no-repeat;

  /* Efecto “parallax” sutil; fija la imagen, no los gradientes */
  background-attachment: scroll, scroll, fixed;
}

h1{
    mix-blend-mode: plus-lighter;
    color: #0a49a2;
    font-size: 4rem;
    margin-bottom: 0;
    line-height: 4rem;
}

.is-home h2.highlight{
    mix-blend-mode: plus-lighter;
    color: #0a49a2;
    font-size: 4rem;
    margin-bottom: 0;
    line-height: 4rem;
}

.text-muted{
   color: #0a49a2;
   font-size: 1.25rem;
   margin-bottom: 0;
   line-height: 1.5;
}

.is-home h2{
    mix-blend-mode: plus-lighter;
    color: #0a49a2;
    font-size: 3rem;
    line-height: 4rem;
 }

a{ color:var(--secondary); text-decoration:none; }
a:hover{ text-decoration:underline; }

.container{ max-width:1100px; margin:0 auto; padding:1rem; }

.session-table{
  background-color: #0b4aa21f;
  border-radius: 20px;
}

.session-head{
  padding: 1rem;
  padding-bottom: 0;
}

.session-table .muted{
  padding: 1rem;
  margin: 0;
}

.session .cards{
  margin-bottom: 2rem;
}

.session-time{
  font-size: 1.5rem;
}

.subheader{
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    
}

.subheader .filters{
    position: sticky;
    top: 50px;
}

.bio{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 1rem;
    background: #ffffffc9;
    display: none;
    backdrop-filter: saturate(140%) blur(8px);
}

.bio p{
    font-size: 14px;
}

.speaker-card:hover .bio{
    display: block;
}

/* ========= Header por defecto (páginas internas) ========= */
.site-header{
  position: sticky; top:0; z-index:20;
  background: linear-gradient(to right, #0b4aa2 60%, #86f6a8 100%);
  color:#fff;
  box-shadow:0 6px 18px rgba(0,0,0,.12);
  border-radius: 0 0 32px 0;
}
.site-header .brand{ color:#fff; font-weight:900; letter-spacing:.3px; display:inline-flex; gap:.5rem; align-items:baseline; }
.site-header nav ul{ list-style:none; display:flex; gap:1rem; margin:0; padding:0; justify-content: center; gap: 6rem; letter-spacing: 1px;}
.site-header nav a{ color:#e6eefc; font-weight:500; }

/* ========= Header overlay SOLO en el home ========= */
/* Agregaremos la clase .is-home al <body> (ver más abajo) */
.is-home .site-header{
  position: fixed; inset: 0 0 auto 0; z-index:60;
  background: transparent; box-shadow:none;
}
.is-home .site-header nav a{ color:#ffffff; }
.is-home .site-header.scrolled{
  backdrop-filter: saturate(140%) blur(8px);
  background: #0a49a282;
  box-shadow:0 10px 24px rgba(2,12,27,.12);
}
/* En home, el main NO necesita empuje superior */
.main{ padding-top: 72px; }
.is-home .main{ padding-top: 0; }

/* ========= Hero genérico (para otras secciones) ========= */
.hero{ border-radius: 0 0 2rem; padding:2rem; margin:0 0 2rem 0;
  background:linear-gradient(135deg,var(--primary),var(--secondary)); color:#fff; }
.hero h1{ margin:0 0 .25rem; font-size:clamp(1.8rem,3.5vw,2.6rem); }
.event-meta{ opacity:.95; margin:.25rem 0 1rem; }
.btn{ display: inline-block;
    padding: .75rem 1rem;
    font-weight: 500;
    background: #0a49a2;
    border-radius: .8rem;
    border: none;
    mix-blend-mode: plus-lighter;
    color: #ffffff;
    letter-spacing: 1px; }

/* ========= Hero portada a pantalla completa ========= */
.hero--portada{ position:relative; min-height:100dvh; isolation:isolate; overflow:hidden; display:grid; place-items:center; }
.hero--portada .hero-layer{ position:absolute; inset:0; }
.hero--portada .hero-bg{
  background-image:url("../images/portada.png");
  background-size:cover; background-position:center;
  background-repeat: none;
  z-index:-2;
}
.hero--portada .hero-overlay{
  z-index:-1;
  background: linear-gradient(to right, #0b4aa2 50%, #7dffa4 100%);
  opacity: 0.5;
}
.hero-content{
  position:relative; width:100%;
  display:grid; grid-template-columns:1.5fr 1fr; align-items:end; gap:1rem; color:#fff;
}
.hero-logo{ width:min(560px,90%); height:auto; align-self:center; justify-self:start; filter:drop-shadow(0 8px 24px rgba(0,0,0,.25)); }
.hero-year{ width:min(300px,40vw); height:auto; justify-self:end; align-self:center; opacity:.25; position: fixed; right: -30px; top: 120px; }
/* .hero-cta{ position:absolute; left:clamp(16px,5vw,48px); bottom:clamp(16px,5vw,48px); color:#fff; } */
.hero-cta .count-grid div{ background: rgb(55 121 215);
    mix-blend-mode: lighten;}
.hero-cta .btn{ box-shadow:0 8px 20px rgba(0,0,0,.25); margin-top:.75rem; }

@media (max-width:920px){
  .hero-content{ grid-template-columns:1fr; gap:.5rem; place-items:center; padding-top:4rem; }
  .hero-logo{ justify-self:center; }
  .hero-year{ position:absolute; right:4%; top:6%; width:200px; }
}
@media (max-width:520px){
  .hero-year{ width:150px; right:3%; top:6%; opacity:.22; }
}

/* ========= Countdown ========= */
.countdown{ margin:1rem 0; }
.count-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:.5rem; }
.count-grid div{ background:rgba(255,255,255,.15); border-radius:.8rem; text-align:center; padding:.75rem; }
.count-grid span{ display:block; font-size:clamp(1.2rem,3.5vw,2rem); font-weight:900; }

/* ========= Cards, listas, galería ========= */
.cards{ display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:2rem; padding-top: 1rem;}
.card{ background:var(--card); border:1px solid var(--ring); border-radius:1rem; padding:1rem; box-shadow:0 10px 24px rgba(2,12,27,.06); }
.muted{ color: #3730a3; }
.grid-3{ grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); }

.list{ display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:.5rem; }
.list a{ background:white; padding:.75rem; border-radius:.75rem; display:block; box-shadow:0 4px 14px rgba(0,0,0,.05); }

.gallery{ display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:.5rem; }
.gallery figure{ margin:0; }
.gallery img{ width:100%; height:100%; object-fit:cover; border-radius:.75rem; }

/* ========= Agenda ========= */
.schedule{ width:100%; border-collapse:collapse; background:#fff; border:1px solid var(--ring); border-radius:1rem; overflow:hidden; box-shadow:0 8px 22px rgba(2,12,27,.06); margin:.75rem 0 1.25rem; }
.schedule thead{ background:#eef2ff; color:#1e3a8a; font-weight:900; }
.schedule th, .schedule td{ padding:.7rem .9rem; border-bottom:1px solid var(--ring); vertical-align:top; text-align: left;}
.schedule .dur, .schedule .time{ font-weight:900; color:#0b4aa2; }
.break, .parallel{ display:flex; align-items:center; gap:.5rem; padding:.6rem .8rem; border-radius:.8rem; font-weight:800; border:1px solid var(--ring); }
.break{ background:#fffbea; color:#7c5a00; border-color:#fde68a; margin-bottom: 1.5rem;}
.parallel{ background:#eef2ff; color:#243189; border-color:#c7d2fe; }
.room span{ background:#e0e7ff; color:#3730a3; font-weight:500; padding:.25rem .5rem; border-radius:.5rem; font-size:.85rem; display:inline-block; }

/* ========= Speaker card ========= */
.avatar{ width:70%; aspect-ratio:1/1; border-radius: 20px 20px 50% 8px; overflow:hidden; background:#eef2ff; margin-bottom:.6rem; }
.avatar img{ width:85%; height:100%; object-fit:cover; display:block; }

.tag{ display:inline-block; margin-top:.25rem; padding:.25rem .5rem; font-size:.75rem; font-weight:600; background:#eef2ff; color:#243189; border-radius:.35rem; }
.badge{ display:inline-block; font-size:.75rem; font-weight:900; line-height:1; padding:.35rem .55rem; border-radius:.5rem; }
.badge-speaker{ background: #86f6a8; color: #336d49; font-weight: 500; }
.badge-moderador{ background:#e7f0fb; color:#0b4aa2; font-weight: 500; }

.speaker-card{ background:#fff; border:1px solid #e5e7eb; border-radius:1rem; overflow:hidden; box-shadow:0 10px 24px rgba(2,12,27,.06); position: relative;}
.speaker-media{ position:relative; padding:1rem 1rem 0 1rem; }
.speaker-media .frame{ position:relative; border-radius:.8rem; overflow:hidden; background:#eef2f7; }
.speaker-media img{ width:100%; height:auto; display:block; object-fit:cover; }
.speaker-like{ position:absolute; top:.8rem; right:.8rem; background:#fff; color:#111827; border-radius:999px; padding:.35rem .6rem; display:flex; align-items:center; gap:.4rem; font-size:.85rem; font-weight:700; box-shadow:0 6px 18px rgba(0,0,0,.12); }
.speaker-quote{ position:absolute; right:1.2rem; bottom:-.6rem; font-size:3.8rem; line-height:1; font-weight:900; color:#111827; text-shadow:0 2px 0 #fff; }
.speaker-body{ padding:1rem 1.2rem 1.1rem; }
.speaker-body p{ margin:.4rem 0 0; color:#475569; line-height:1.6; }
.speaker-footer{ display:flex; align-items:center; justify-content:space-between; gap:.75rem; padding:.9rem 1.2rem 1.2rem; border-top:1px solid #e5e7eb; }
.speaker-meta{ min-width:0; }
.speaker-name{ font-weight:800; font-size:1.05rem; color:#0f172a; margin:0; }
.speaker-org{ color:#6b7280; font-size:.9rem; margin-top:.2rem; }
.speaker-sign img{ height:36px; width:auto; display:block; opacity:.9; }


.speaker-card h3{
  margin-bottom: 0;
  font-weight: 600;
}

@media (max-width:480px){
  .speaker-like{ top:.6rem; right:.6rem; }
  .speaker-quote{ font-size:3.2rem; right:.9rem; bottom:-.5rem; }
}

/* ========= Footer ========= */
/* Secciones con respiración */
.section { padding: 5rem 0; }

/* Split 2 cols */
.split-2{
  display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 1.25rem;
}
@media (max-width: 920px){
  .split-2{ grid-template-columns: 1fr; }
}

/* Hotel destacado */
.hotel{ align-items:center; }
.hotel-media{
  margin:0; border-radius: 1rem; overflow:hidden;
  box-shadow: 0 10px 24px rgba(2,12,27,.10);
}
.hotel-media img{ width:100%; height:100%; object-fit:cover; display:block; }
.hotel-body h3{ margin: .25rem 0 .35rem;
    font-size: 2rem;
    font-weight: 600; }
.hotel-bullets{ margin:.5rem 0 1rem; padding-left: 1.1rem; }
.hotel-bullets li{ margin:.25rem 0; }
.hotel-text-muted{ color: #0a49a2;
    font-size: 1.1rem;
    margin-bottom: 0;
    line-height: 1.5; }

/* Footer con logos */
.footer-grid{
  display:grid; grid-template-columns: 1fr auto; gap: 1rem; align-items:center;
}
.footer-brand .footer-logo{
  height: 80px; width:auto; display:block; margin-bottom:.35rem; max-width: 100%;
}
.footer-orgs{ text-align:right; }
.footer-orgs .label{ display:block; font-weight:700; margin-bottom:.4rem; color:#4b72a8; }
.footer-orgs.blanco .label{ color: #fff; font-size: 14px; }
.org-logos{ display:flex; gap:1rem; align-items:center; justify-content:flex-end; }
.org-logo{ height: 110px; width:auto; display:block; filter: grayscale(0) brightness(1.05); }
@media (max-width: 720px){
  .footer-grid{ grid-template-columns: 1fr; text-align:center; }
  .footer-orgs{ text-align:center; }
  .org-logos{ justify-content:center; }
}

/* ==== Ajustes globales móviles ==== */
:root{
  --container-pad: 1rem;
}
.container{ padding-left: var(--container-pad); padding-right: var(--container-pad); }

/* Tipografía más cómoda en pantallas pequeñas */
@media (max-width: 600px){
  h1{ font-size: clamp(1.6rem, 6vw, 2rem); line-height: 1.15; }
  h2{ font-size: clamp(1.2rem, 4.8vw, 1.5rem); }
  .btn{ padding:.7rem .9rem; font-size:.95rem; }
}

/* ==== Header responsive (hamburger) ==== */
.site-header{ height: 64px; display:flex; align-items:center; }
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:.5rem; }
.main-nav ul{ display:flex; gap:1rem; }
.mobile-toggle{
  display:none; appearance:none; border:0; background:rgba(255,255,255,.12);
  width:42px; height:42px; border-radius:.65rem; color:#fff; font-size:1.2rem;
}
.mobile-toggle:focus{ outline: 2px solid rgba(255,255,255,.5); outline-offset: 2px; }

/* Modo overlay en home mantiene contraste en enlaces */
.is-home .mobile-toggle{ background:rgba(255,255,255,.18); }

/* Menú colapsable en móvil */
@media (max-width: 860px){
  .mobile-toggle{ display:inline-grid; place-items:center; }
  .main-nav{
    position: fixed; inset: 64px 0 auto 0; /* bajo el header */
    background: rgba(9, 46, 102, .97);
    backdrop-filter: blur(6px);
    transform: translateY(-8px);
    opacity:0; pointer-events:none;
    transition: opacity .25s ease;
    padding: .5rem 0;
    z-index:59;
  }
  .main-nav.open{ opacity:1; pointer-events:auto; }
  .main-nav ul{
    flex-direction:column; align-items:center; gap:.25rem;
    padding:.5rem 0; margin:0;
  }
  .main-nav a{ display:block; padding:.8rem 1rem; font-size:1.05rem; }
}

/* ==== Hero portada mobile ==== */
.hero--portada{ min-height: 100svh; }
.hero-content{
  grid-template-columns: 1fr 1fr;
}
.log svg, .log img{ max-width: 100%; height:auto; display:block; }
@media (max-width: 920px){
  .hero-content{
    grid-template-columns: 1fr;
    gap:.75rem; place-items: center; padding-top: 3.5rem; padding-bottom: 4.5rem;
  }
}
@media (max-width: 600px){
  .hero-year{
    position: absolute; right: 4%; top: 6%;
    width:min(140px, 35vw); opacity:.22;
  }
  .hero-cta{ position: static; margin-top: .5rem; width: 100%; }
  .hero-cta .count-grid{ grid-template-columns: repeat(2,1fr); gap:.4rem; }
  .hero-cta .count-grid div{ padding:.6rem; }
  .hero-cta .btn{ width: 100%; text-align:center; }
}

/* Countdown tarjetas legibles en mobile */
@media (max-width: 360px){
  .count-grid span{ font-size: 1.2rem; }
  .count-grid small{ font-size: .75rem; }
}

/* ==== Hotel destacado (split → stack) ==== */
.split-2{ grid-template-columns: 1.15fr .85fr; gap: 1.25rem; }
@media (max-width: 920px){
  .split-2{ grid-template-columns: 1fr; }
}
.hotel-media{ aspect-ratio: 16/9; }
.hotel-media img{ width:100%; height:100%; object-fit: cover; }

/* ==== Cards y listas espaciadas en mobile ==== */
@media (max-width: 540px){
  .cards{ gap: 1rem; }
  .card{ padding: .9rem; }
  .list{ grid-template-columns: 1fr; }
}

/* ==== Galería responsive ==== */
.gallery{ gap: .6rem; }
@media (max-width: 920px){
  .gallery{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px){
  .gallery{ grid-template-columns: 1fr; }
}

/* ==== Footer responsive con logos ==== */
.footer-grid{ grid-template-columns: 1fr auto; gap: 1rem; }
@media (max-width: 720px){
  .footer-grid{ grid-template-columns: 1fr; text-align: center; }
  .footer-orgs .label{ margin-top:.75rem; }
  .org-logos{ justify-content: center; flex-wrap: wrap; }
  .org-logo{ height: 76px; }
}

/* ==== Toques finales mobile ==== */
/* Evita que el overlay tape el contenido al hacer scroll en iOS */
@supports (-webkit-touch-callout: none){
  .site-header.scrolled{ background: rgba(9, 46, 102, .60); }
}
/* Evita desbordes horizontales por SVG/imagenes */
html, body{ overflow-x: hidden; }
.log{ width: 100%; }

/* Estados del formulario */
.form input:required:invalid,
.form select:required:invalid,
.form textarea:required:invalid{ border-color:#fca5a5; }

.form input:required:valid,
.form select:required:valid,
.form textarea:required:valid{ border-color:#86efac; }

.form .checkbox input{ margin-right:.5rem; width: auto; }

/* ========= Formularios ========== */
.form {
  background: var(--card);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 8px 22px rgba(2,12,27,.06);
  display: grid;
  gap: 1.5rem;
}

.form label {
  font-weight: 600;
  font-size: .9rem;
  color: var(--ink);
  display: block;
  margin-bottom: .35rem;
}

.form input,
.form select,
.form textarea {
  width: 100%;
  padding: .75rem 1rem;
  border: 1px solid var(--ring);
  border-radius: .65rem;
  font-size: 1rem;
  font-family: "Poppins", system-ui, sans-serif;
  transition: border-color .2s, box-shadow .2s;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(30,106,214,.2);
  outline: none;
}

.form textarea { min-height: 120px; resize: vertical; }

.form .checkbox {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .9rem;
}

.form .checkbox input { margin: 0; }

.form .btn {
  align-self: start;
  justify-self: start;
  background: var(--secondary);
  color: #fff;
  border-radius: .65rem;
  padding: .85rem 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  transition: background .2s;
  mix-blend-mode: normal;
}
.form .btn:hover { background: #0b4aa2; }

/* Estados */
.form input:required:invalid,
.form select:required:invalid,
.form textarea:required:invalid {
  border-color: #fca5a5;
}

.form input:required:valid,
.form select:required:valid,
.form textarea:required:valid {
  border-color: #86efac;
}

.cards input[type="checkbox"] {
  margin-right: .5rem;
  transform: scale(1.2);
}

.cards label.card {
  cursor: pointer;
  transition: transform .2s, box-shadow .2s;
}
.cards label.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,0,0,.1);
}


.grid-2, .grid-3 {
  display: grid;
  gap: 1rem;
}
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }


/* =========================
   Títulos (h2) y Subheader
   ========================= */

/* h2 base más consistente */
h2{
  font-weight: 700;
  letter-spacing: .2px;
  margin: 0 0 .75rem;
  color: #0a49a2;
  font-size: clamp(1.5rem, 2.8vw, 2rem); /* desktop cómodo */
  line-height: 1.2;
}

/* Variantes del home */
.is-home h2{
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  line-height: 1.15;
  margin-bottom: 2rem;
}
.is-home h2.highlight{
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 1.1;
}

/* Texto secundario debajo de títulos */
.text-muted{
  color:#0a49a2;
  font-weight: 500;
  margin: .25rem 0 0;
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  line-height: 1.45;
}

/* Subheader: título + filtros/acciones */
.subheader{
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 0 1rem;
  flex-wrap: wrap; /* evita desbordes en tablet */
}

/* Contenedor de filtros/botones */
.subheader .filters{
  position: sticky;
  top: 64px;       /* bajo el header */
  display: flex;
  gap: .5rem;
  align-items: center;
}

/* ======= Mobile-first tweaks ======= */
@media (max-width: 720px){
  /* h2 más legibles y sin saltos grandes */
  h2{
    font-size: clamp(1.25rem, 5.5vw, 1.6rem);
    line-height: 1.2;
    margin-bottom: .5rem;
  }
  .is-home h2{ font-size: clamp(1.4rem, 6vw, 1.9rem); }
  .is-home h2.highlight{ font-size: clamp(1.6rem, 7vw, 2.2rem); }

  .text-muted{
    font-size: clamp(.95rem, 4.2vw, 1.05rem);
    line-height: 1.4;
  }

  /* Subheader apilado, respiración y full-width para filtros */
  .subheader{
    flex-direction: column;
    align-items: flex-start;
    gap: .65rem;
    margin-bottom: 1rem;
  }
  .subheader .filters{
    position: static;   /* quita sticky en mobile */
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr; /* 2 columnas compactas */
    gap: .5rem;
  }
  /* Si hay más de dos controles, los dejamos fluir */
  .subheader .filters > *{
    min-width: 0; /* evita que inputs rompan el layout */
  }
}

/* Teléfonos muy estrechos */
@media (max-width: 380px){
  .subheader .filters{
    grid-template-columns: 1fr; /* 1 columna */
  }
}

/* ===== Patrocinadores: grid y tarjetas solo logo ===== */
.section-sponsors .sponsor-tier { margin-bottom: 2.5rem; }
.section-sponsors .sponsor-tier__title { margin:.25rem 0 1rem; font-size:1.35rem; }

/* Grid más flexible para logos */
.section-sponsors .sponsor-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: 1rem;
}
@media (max-width: 1024px) {
  .section-sponsors .sponsor-grid { grid-template-columns: repeat(3, minmax(160px, 1fr)); }
}
@media (max-width: 640px) {
  .section-sponsors .sponsor-grid { grid-template-columns: repeat(2, minmax(140px, 1fr)); }
}

/* Tarjeta solo con logo */
.sponsor-card {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  border: 1px solid var(--sp-border, #e6e6e6);
  background: var(--sp-bg, #fff);
  padding: 0.5rem;
  min-height: 120px;
  position: relative;
  overflow: hidden;
}

/* Barra de acento a la izquierda (mantiene color por tier) */
.sponsor-card::before {
  content:"";
  position:absolute; left:0; top:0; bottom:0; width:6px;
  background: var(--sp-accent, #e5e7eb);
}

.sponsor-card__logo {
  width: 100%; display:flex; align-items:center; justify-content:center;
}
.sponsor-card__logo img {
  max-width: 80%; max-height: 87px; object-fit: contain;
}
.logo-placeholder {
  width: 80%; height: 80px;
  border: 1px dashed #cfcfcf; border-radius: 10px;
}

/* ===== Paletas por tier ===== */
.sponsor-tier--platinum .sponsor-card {
  --sp-bg: linear-gradient(180deg, #f7f8fa, #ffffff);
  --sp-border: #e3e4e8;
  --sp-accent: #b7bcc6;
}
.sponsor-tier--gold .sponsor-card {
  --sp-bg: #fff8e1;
  --sp-border: #ffe3a8;
  --sp-accent: #d4af37;
}
.sponsor-tier--silver .sponsor-card {
  --sp-bg: #f6f7f8;
  --sp-border: #e2e5e9;
  --sp-accent: #c0c0c0;
}
.sponsor-tier--cooper .sponsor-card {
  --sp-bg: #fff3ea;
  --sp-border: #ffd9c2;
  --sp-accent: #b87333;
}
.sponsor-tier--apoyos .sponsor-card {
  --sp-bg: #f0f6ff;
  --sp-border: #d7e6ff;
  --sp-accent: #3b82f6;
}
