/* TEDxUTN · paleta TED: rojo #E62B1E, negro, blanco. Tipografía Archivo (variable en ancho y peso). */
:root {
  --red: #E62B1E;
  --red-deep: #B8211A;
  --black: #000;
  --ink: #111;
  --grey: #6b6b6b;
  --line: #e2e2e2;
  --paper: #fff;
  --font: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --wrap: 1180px;
  --pad: clamp(20px, 5vw, 72px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  font-variation-settings: "wdth" 100;
}
img, svg { display: block; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
ol, ul { margin: 0; padding: 0; list-style: none; }

.skip {
  position: absolute; left: -999px; top: 8px; background: var(--black); color: #fff;
  padding: 8px 12px; z-index: 100;
}
.skip:focus { left: 8px; }

/* ---------- marca ---------- */
.brand {
  display: inline-flex; align-items: baseline; gap: 0; text-decoration: none;
  font-weight: 800; letter-spacing: -0.04em; line-height: 1;
  font-variation-settings: "wdth" 100;
}
.brand-ted { color: var(--red); }
.brand-x { color: var(--red); }
.brand-event { color: var(--black); }
.nav .brand { font-size: 26px; }
.brand-lg { font-size: 40px; }
.section-dark .brand-event, .footer .brand-event, .hero .brand-event { color: #fff; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 28px;
  padding: 16px var(--pad);
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a {
  text-decoration: none; font-weight: 600; font-size: 15px; color: var(--ink);
  padding-bottom: 2px; border-bottom: 2px solid transparent;
}
.nav-links a:hover { border-bottom-color: var(--red); }
.btn-nav { margin-left: 4px; }
.nav-toggle {
  display: none; margin-left: auto; width: 44px; height: 44px; border: 0; background: none; padding: 10px; cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: var(--black); margin: 5px 0; transition: transform .2s, opacity .2s; }
.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); }
.mobile-menu {
  position: fixed; inset: 73px 0 auto 0; z-index: 49;
  background: #fff; border-bottom: 1px solid var(--line);
  padding: 20px var(--pad) 28px; display: flex; flex-direction: column; gap: 6px;
}
.mobile-menu[hidden] { display: none; }
.mobile-menu a { text-decoration: none; font-weight: 700; font-size: 22px; padding: 10px 0; }
.mobile-menu .btn { margin-top: 12px; justify-content: center; }

/* ---------- botones ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 20px; font-weight: 700; font-size: 15px; text-decoration: none;
  border: 2px solid transparent; border-radius: 4px; white-space: nowrap;
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-red { background: var(--red); color: #fff; border-color: var(--red); }
.btn-red:hover { background: var(--red-deep); border-color: var(--red-deep); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn-ghost:hover { border-color: #fff; }
.btn-lg { padding: 16px 26px; font-size: 17px; }
.ico-wa { width: 22px; height: 22px; fill: currentColor; }

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--black); color: #fff;
  padding: clamp(64px, 10vw, 120px) var(--pad) clamp(48px, 6vw, 80px);
  min-height: 86vh; display: flex; flex-direction: column; justify-content: center;
}
.hero::before {
  /* grano sutil */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .18;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='.5'/></svg>");
}
.hero-x {
  position: absolute; right: -4vw; top: -14vw;
  font-size: clamp(320px, 62vw, 980px); font-weight: 900; line-height: 1; color: var(--red);
  font-variation-settings: "wdth" 80; letter-spacing: -0.08em; user-select: none; pointer-events: none;
  opacity: .92;
  animation: xin 1.4s cubic-bezier(.2,.8,.2,1) both;
}
@keyframes xin { from { transform: translate(6vw, -4vw) rotate(-6deg); opacity: 0; } to { transform: none; opacity: .92; } }
.hero-inner { position: relative; max-width: var(--wrap); width: 100%; margin: 0 auto; }
.hero-kicker {
  display: flex; align-items: baseline; gap: 12px; font-weight: 600; font-size: 16px; letter-spacing: .02em;
  color: rgba(255,255,255,.75); margin-bottom: clamp(18px, 3vw, 32px);
}
.hero-kicker .brand-ted, .hero-kicker .brand-event { font-weight: 800; font-size: 20px; letter-spacing: -0.04em; }
.hero-kicker-sep { color: var(--red); }
.hero-title {
  font-size: clamp(56px, 11.5vw, 168px); line-height: .9; font-weight: 900; letter-spacing: -0.045em;
  font-variation-settings: "wdth" 92; text-wrap: balance;
  display: flex; flex-direction: column; margin-bottom: clamp(28px, 4vw, 48px);
}
.hero-title em { font-style: normal; color: var(--red); }
.hero-meta {
  display: grid; grid-template-columns: repeat(3, auto); gap: clamp(18px, 4vw, 56px);
  border-top: 1px solid rgba(255,255,255,.25); padding-top: 22px; margin-bottom: 32px; width: fit-content;
}
.meta-block { display: flex; flex-direction: column; gap: 4px; }
.meta-label { font-size: 12px; text-transform: uppercase; letter-spacing: .14em; color: var(--red); font-weight: 700; }
.meta-value { font-weight: 600; font-size: 17px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 18px; }
.hero-note { font-size: 14px; color: rgba(255,255,255,.6); max-width: 560px; }

.countdown {
  position: relative; display: flex; gap: 0; margin: clamp(40px, 6vw, 72px) auto 0; max-width: var(--wrap); width: 100%;
  border-top: 1px solid rgba(255,255,255,.25);
}
.countdown > div {
  flex: 1; padding: 18px 0 0; display: flex; flex-direction: column; gap: 2px;
  border-left: 1px solid rgba(255,255,255,.15); padding-left: 18px;
}
.countdown > div:first-child { border-left: 0; padding-left: 0; }
.countdown b { font-size: clamp(34px, 5vw, 64px); font-weight: 800; letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.countdown span { font-size: 12px; text-transform: uppercase; letter-spacing: .14em; color: rgba(255,255,255,.6); }

/* ---------- marquee ---------- */
.marquee { background: var(--red); color: #fff; overflow: hidden; padding: 10px 0; font-weight: 700; font-size: 15px; letter-spacing: .04em; text-transform: uppercase; display: flex; }
.marquee-track { display: flex; align-items: center; gap: 40px; padding-right: 40px; flex-shrink: 0; animation: marquee 60s linear infinite; }
.marquee:hover .marquee-track, .marquee:focus-within .marquee-track { animation-play-state: paused; }
.marquee-track i { font-style: normal; font-weight: 900; }
.mq-sponsor { background: #fff; color: var(--red); padding: 4px 12px; border-radius: 3px; }
.mq-slot { color: #fff; text-decoration: none; border: 2px dashed rgba(255,255,255,.75); padding: 3px 12px; border-radius: 3px; white-space: nowrap; }
.mq-slot:hover, .mq-slot:focus-visible { background: #fff; color: var(--red); border-style: solid; outline: none; }
@keyframes marquee { to { transform: translateX(-100%); } }

/* ---------- secciones ---------- */
.section { padding: clamp(64px, 9vw, 128px) var(--pad); }
.section-dark { background: var(--black); color: #fff; }
.section-red { background: var(--red); color: #fff; }
.wrap { max-width: var(--wrap); margin: 0 auto; }
.grid-2 { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(28px, 6vw, 96px); align-items: start; }
.grid-2-tight { grid-template-columns: 1fr 1fr; }
.eyebrow { font-size: 13px; text-transform: uppercase; letter-spacing: .16em; font-weight: 700; color: var(--red); margin-bottom: 18px; }
.eyebrow-light { color: rgba(255,255,255,.85); }
.h2 { font-size: clamp(32px, 4.6vw, 60px); line-height: 1.02; font-weight: 800; letter-spacing: -0.035em; text-wrap: balance; font-variation-settings: "wdth" 96; }
.h2-xl { font-size: clamp(56px, 10vw, 140px); letter-spacing: -0.05em; }
.lead { font-size: clamp(18px, 1.6vw, 22px); margin: 22px 0 0; max-width: 640px; opacity: .9; }
.prose p + p { margin-top: 18px; }
.prose { font-size: 18px; }
.link-arrow { display: inline-block; margin-top: 24px; font-weight: 700; text-decoration: none; border-bottom: 2px solid var(--red); padding-bottom: 2px; }
.link-arrow::after { content: " →"; color: var(--red); }

/* ejes */
.ejes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 56px; border-top: 1px solid rgba(255,255,255,.2); }
.eje { padding: 36px 28px 40px 0; border-bottom: 1px solid rgba(255,255,255,.2); border-right: 1px solid rgba(255,255,255,.2); position: relative; }
.eje:nth-child(3n) { border-right: 0; }
.eje:nth-child(n+4) { padding-left: 0; }
.eje:nth-child(3n+2), .eje:nth-child(3n) { padding-left: 28px; }
.eje-num { display: block; font-size: 13px; color: var(--red); font-weight: 800; letter-spacing: .1em; margin-bottom: 26px; }
.eje-area { display: inline-block; font-size: 12px; text-transform: uppercase; letter-spacing: .14em; color: rgba(255,255,255,.6); margin-bottom: 12px; }
.eje h3 { font-size: 24px; line-height: 1.12; letter-spacing: -0.02em; font-weight: 800; margin-bottom: 14px; }
.eje p { font-size: 15.5px; color: rgba(255,255,255,.72); }
.eje::before { content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 0; background: var(--red); transition: width .5s ease; }
.eje:hover::before { width: 100%; }

/* programa */
.programa { margin-top: 48px; border-top: 1px solid rgba(255,255,255,.35); max-width: 820px; }
.programa li { display: grid; grid-template-columns: 110px 1fr; gap: 24px; padding: 26px 0; border-bottom: 1px solid rgba(255,255,255,.35); }
.programa time { font-size: 30px; font-weight: 800; letter-spacing: -0.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.programa h3 { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 6px; }
.programa p { opacity: .85; }

/* mapa */
.map { aspect-ratio: 4 / 3; min-height: 320px; background: #eee; filter: grayscale(1) contrast(1.05); }
.map iframe { width: 100%; height: 100%; border: 0; }
.map:hover { filter: none; }

/* cta band */
.cta-band { text-align: left; }
.cta-band .lead { margin-bottom: 32px; }

/* faq */
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: 20px 44px 20px 0; font-weight: 700; font-size: 19px; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0; top: 14px; font-size: 30px; font-weight: 300; color: var(--red); transition: transform .2s;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { padding: 0 0 22px; color: #333; max-width: 640px; }

/* footer */
.footer { background: var(--black); color: #fff; padding: 64px var(--pad) 32px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.2); }
.footer-tag { margin-top: 14px; color: rgba(255,255,255,.6); font-size: 14px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { text-decoration: none; color: rgba(255,255,255,.8); }
.footer-col a:hover { color: #fff; }
.footer-h { font-size: 12px; text-transform: uppercase; letter-spacing: .14em; color: var(--red); font-weight: 700; margin-bottom: 6px; }
.footer-legal { padding-top: 24px; font-size: 13px; color: rgba(255,255,255,.55); display: flex; flex-direction: column; gap: 6px; }

/* whatsapp flotante */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 40;
  width: 58px; height: 58px; border-radius: 50%; background: #25D366; color: #fff;
  display: grid; place-items: center; box-shadow: 0 10px 30px rgba(0,0,0,.25);
  transition: transform .15s;
}
.wa-float:hover { transform: scale(1.06); }
.wa-float svg { width: 30px; height: 30px; fill: currentColor; }

/* reveal on load */
.reveal { opacity: 0; transform: translateY(18px); animation: reveal .8s cubic-bezier(.2,.8,.2,1) forwards; }
.hero-kicker.reveal { animation-delay: .05s; }
.hero-title .reveal:nth-child(1) { animation-delay: .15s; }
.hero-title .reveal:nth-child(2) { animation-delay: .25s; }
.hero-title .reveal:nth-child(3) { animation-delay: .35s; }
.hero-meta.reveal { animation-delay: .5s; }
.hero-cta.reveal { animation-delay: .6s; }
.hero-note.reveal { animation-delay: .7s; }
.countdown.reveal { animation-delay: .8s; }
@keyframes reveal { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  .reveal, .hero-x { animation: none; opacity: 1; transform: none; }
  .marquee-track { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .nav-links, .btn-nav { display: none; }
  .nav-toggle { display: block; }
  .grid-2, .grid-2-tight { grid-template-columns: 1fr; }
  .ejes { grid-template-columns: 1fr 1fr; }
  .eje, .eje:nth-child(n) { padding-left: 0; padding-right: 24px; border-right: 0; }
  .eje:nth-child(2n) { padding-left: 24px; padding-right: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .hero { min-height: auto; padding-top: 56px; }
  .hero-x { right: -18vw; top: -8vw; font-size: 118vw; }
  .hero-meta { grid-template-columns: 1fr; gap: 14px; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .countdown b { font-size: 34px; }
  .ejes { grid-template-columns: 1fr; }
  .eje, .eje:nth-child(n) { padding-left: 0; padding-right: 0; }
  .programa li { grid-template-columns: 72px 1fr; gap: 16px; }
  .programa time { font-size: 22px; }
  .footer-grid { grid-template-columns: 1fr; }
  .wa-float { right: 14px; bottom: 14px; }
}

/* ---------- sponsors (home) ---------- */
.section-sponsors { background: #f6f6f6; }
.sponsors-head { display: flex; justify-content: space-between; align-items: end; gap: 32px; flex-wrap: wrap; }
.sponsors-head .link-arrow { margin-top: 0; }
.sponsor-row { display: grid; grid-template-columns: 1.3fr 1fr; gap: 20px; margin-top: 48px; }
.sponsor-card { background: #fff; border: 1px solid var(--line); padding: 28px; display: flex; flex-direction: column; gap: 18px; position: relative; }
.sponsor-oficial { border-top: 4px solid var(--red); }
.sponsor-tag { font-size: 12px; text-transform: uppercase; letter-spacing: .14em; font-weight: 700; color: var(--red); }
.sponsor-organiza .sponsor-tag { color: var(--grey); }
.sponsor-logo { display: inline-flex; align-items: center; gap: 16px; text-decoration: none; color: var(--ink); }
.sponsor-logo img { height: 56px; width: auto; }
.sponsor-organiza .sponsor-logo img { height: 72px; }
.sponsor-name { font-size: 40px; font-weight: 800; letter-spacing: -0.04em; line-height: 1; }
.sponsor-desc { color: var(--grey); font-size: 15px; }
.sponsor-slots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 20px; }
.sponsor-slot {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; min-height: 128px;
  border: 2px dashed #c9c9c9; color: var(--grey); text-decoration: none; text-align: center; padding: 16px;
  transition: border-color .15s, color .15s, background .15s;
}
.sponsor-slot span { font-weight: 700; font-size: 17px; }
.sponsor-slot small { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; }
.sponsor-slot:hover { border-color: var(--red); color: var(--red); background: #fff; }
.sponsor-foot { margin-top: 28px; font-size: 14px; color: var(--grey); max-width: 720px; }
.footer-utn { margin-top: 22px; display: inline-block; background: #fff; padding: 8px 14px; border-radius: 4px; }
.footer-utn img { height: 44px; width: auto; }

/* ---------- página /sponsors ---------- */
.page-hero { background: var(--black); color: #fff; padding: clamp(56px, 8vw, 110px) var(--pad) clamp(40px, 5vw, 72px); position: relative; overflow: hidden; }
.page-hero .h2 { font-size: clamp(40px, 6.5vw, 96px); letter-spacing: -0.045em; }
.page-hero .lead { color: rgba(255,255,255,.8); }
.page-hero .hero-x { font-size: clamp(260px, 40vw, 620px); top: -12vw; right: -6vw; opacity: .8; }
.page-hero .wrap { position: relative; }
.crumb { display: inline-block; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; color: var(--red); text-decoration: none; margin-bottom: 24px; }
.crumb:hover { color: #fff; }
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 48px; }
.pillar { border-top: 3px solid var(--red); padding-top: 18px; }
.pillar h3 { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 10px; }
.pillar p { color: #333; font-size: 15.5px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 48px; border-top: 1px solid rgba(255,255,255,.25); }
.stats div { padding: 22px 20px 0 0; border-left: 1px solid rgba(255,255,255,.15); padding-left: 20px; }
.stats div:first-child { border-left: 0; padding-left: 0; }
.stats b { display: block; font-size: clamp(34px, 4.5vw, 56px); font-weight: 800; letter-spacing: -0.04em; line-height: 1; }
.stats span { font-size: 13px; color: rgba(255,255,255,.65); display: block; margin-top: 6px; }
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; align-items: stretch; }
.tier { background: #fff; border: 1px solid var(--line); padding: 30px 28px 28px; display: flex; flex-direction: column; gap: 18px; }
.tier-main { border: 2px solid var(--black); }
.tier-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.tier h3 { font-size: 24px; font-weight: 800; letter-spacing: -0.02em; }
.tier-cupo { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--red); font-weight: 700; }
.tier-price { font-size: 42px; font-weight: 800; letter-spacing: -0.04em; line-height: 1; }
.tier-price small { font-size: 14px; font-weight: 600; letter-spacing: 0; color: var(--grey); margin-left: 6px; }
.tier ul { display: flex; flex-direction: column; gap: 10px; font-size: 15px; color: #333; }
.tier li { padding-left: 20px; position: relative; }
.tier li::before { content: ""; position: absolute; left: 0; top: 9px; width: 9px; height: 9px; background: var(--red); }
.tier .btn { margin-top: auto; justify-content: center; }
.tier-note { margin-top: 24px; font-size: 14px; color: var(--grey); max-width: 760px; }
.rules { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 40px; }
.rules h3 { font-size: 14px; text-transform: uppercase; letter-spacing: .14em; margin-bottom: 16px; }
.rules ul { display: flex; flex-direction: column; gap: 12px; font-size: 16px; }
.rules li { padding-left: 26px; position: relative; }
.rules-si li::before { content: "✓"; position: absolute; left: 0; color: var(--red); font-weight: 800; }
.rules-no li::before { content: "×"; position: absolute; left: 0; color: var(--red); font-weight: 800; font-size: 18px; line-height: 1.1; }
.steps { counter-reset: s; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 40px; }
.steps li { counter-increment: s; }
.steps li::before { content: "0" counter(s); display: block; color: var(--red); font-weight: 800; letter-spacing: .1em; font-size: 13px; margin-bottom: 12px; }
.steps h3 { font-size: 20px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 8px; }
.steps p { color: #333; font-size: 15.5px; }
@media (max-width: 960px) {
  .sponsor-row, .rules { grid-template-columns: 1fr; }
  .sponsor-slots { grid-template-columns: 1fr 1fr; }
  .pillars, .tiers, .steps { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats div:nth-child(3) { border-left: 0; padding-left: 0; }
  .stats div { padding-top: 18px; }
}
@media (max-width: 600px) {
  .sponsor-slots { grid-template-columns: 1fr 1fr; gap: 12px; }
  .sponsor-name { font-size: 30px; }
  .btn-lg { white-space: normal; text-align: center; }
}
.section-dark .steps p { color: rgba(255,255,255,.75); }

/* ---------- «Con el apoyo de»: la tira de sponsors que se repite por la página ---------- */
.apoyo { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 22px; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); }
.apoyo-label { font-size: 12px; text-transform: uppercase; letter-spacing: .14em; font-weight: 700; color: var(--grey); }
.apoyo-brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; font-weight: 800; font-size: 20px; letter-spacing: -0.03em; }
.apoyo-brand img { width: 28px; height: 28px; border-radius: 50%; }
.apoyo-brand small { font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--red); margin-left: 2px; }
.apoyo-slot { font-size: 13px; font-weight: 700; text-decoration: none; color: var(--grey); border: 2px dashed #c9c9c9; padding: 6px 14px; border-radius: 3px; transition: color .15s, border-color .15s; }
.apoyo-slot:hover { color: var(--red); border-color: var(--red); }
.apoyo-dark { border-top-color: rgba(255,255,255,.2); }
.apoyo-dark .apoyo-label { color: rgba(255,255,255,.55); }
.apoyo-dark .apoyo-slot { color: rgba(255,255,255,.7); border-color: rgba(255,255,255,.35); }
.apoyo-dark .apoyo-slot:hover { color: #fff; border-color: #fff; }
.apoyo-red { border-top-color: rgba(255,255,255,.35); max-width: 820px; }
.apoyo-red .apoyo-label { color: rgba(255,255,255,.8); }
.apoyo-red .apoyo-brand small { color: #fff; }
.apoyo-red .apoyo-slot { color: #fff; border-color: rgba(255,255,255,.7); }
.apoyo-red .apoyo-slot:hover { background: #fff; color: var(--red); border-style: solid; }
.hero .apoyo { margin-top: 32px; max-width: 560px; }
.hero .apoyo.reveal { animation-delay: .75s; }
.cta-band .apoyo { margin-top: 36px; }
.footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
.footer-sponsor { display: inline-flex; align-items: center; gap: 8px; }
.footer-sponsor img { width: 22px; height: 22px; border-radius: 50%; }
@media (max-width: 960px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; } }