:root {
  --verde: #2e9a47;
  --turquesa: #3bb8c4;
  --oscuro: #0f4a47;
  --fondo-header: #f7f9f9;
  --fondo-panel: #dfe6e6;
  --texto: #0f4a47;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  color: var(--texto);
  background: var(--fondo-panel);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }

/* ---------- Aviso ---------- */
.aviso {
  background: var(--oscuro);
  color: #fff;
  text-align: center;
  padding: .6rem 1rem;
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
}
.aviso__punto {
  width: .6rem; height: .6rem;
  border-radius: 50%;
  background: var(--turquesa);
  animation: pulso 1.6s ease-in-out infinite;
}
@keyframes pulso {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .35; transform: scale(1.5); }
}

/* ---------- Header ---------- */
.header { background: var(--fondo-header); }
.header__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.logo { height: 90px; width: auto; object-fit: contain; }
.logo--congreso { height: 110px; }

/* ---------- Main con bordes de olas ---------- */
.main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.25rem 3.5rem;
  background: var(--fondo-panel);
}

.hero {
  display: grid;
  grid-template-columns: minmax(240px, 300px) 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__foto {
  border-radius: 0 0 150px 150px;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: linear-gradient(160deg, var(--turquesa), var(--oscuro));
  box-shadow: 0 12px 30px rgba(15, 74, 71, .2);
}
.hero__foto img { width: 100%; height: 100%; object-fit: cover; }

.titulo {
  color: var(--verde);
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.08;
  font-weight: 700;
  text-transform: uppercase;
}
.subtitulo { font-size: clamp(1.15rem, 2.5vw, 1.6rem); margin-top: .6rem; }
.fecha {
  color: var(--turquesa);
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  font-weight: 600;
  margin-top: 1rem;
}
.lugar { font-size: clamp(1.5rem, 4vw, 2.2rem); font-weight: 300; }

/* ---------- Cuenta regresiva ---------- */
.cuenta { display: flex; gap: .75rem; margin-top: 1.75rem; flex-wrap: wrap; }
.cuenta[hidden] { display: none; }
.cuenta__item {
  background: var(--oscuro);
  color: #fff;
  border-radius: 12px;
  min-width: 74px;
  padding: .6rem .8rem;
  text-align: center;
}
.cuenta__item span { display: block; font-size: 1.8rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.cuenta__item small { font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; opacity: .8; }

/* ---------- Acerca ---------- */
.acerca {
  max-width: 820px;
  margin: 3.5rem auto 0;
  text-align: center;
}
.acerca h2 {
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 1rem;
}
.acerca p { font-size: 1.05rem; }

/* ---------- Footer ---------- */
.footer {
  background: var(--oscuro);
  color: #fff;
  text-align: center;
  padding: 1.25rem 1rem;
  font-size: .85rem;
}

/* ---------- Anfitrión ---------- */
.anfitrion {
  background: #3a3a3a;
  color: #e6e6e6;
  padding: 1.25rem 1rem;
}
.anfitrion__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}
.anfitrion__label {
  font-weight: 600;
  letter-spacing: .06em;
  font-size: 1.05rem;
}
.anfitrion__logo { height: 56px; width: auto; object-fit: contain; }

@media (max-width: 560px) {
  .anfitrion__inner { gap: 1rem; }
  .anfitrion__logo { height: 44px; }
}

/* ---------- Fondo de olas laterales (pantallas anchas) ---------- */
/* El fondo es la imagen; la tarjeta central lleva color sólido */
body {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background:
    url("http://congresofederalabappra.ar/assets/bck.png") center / cover no-repeat fixed,
    linear-gradient(135deg, var(--oscuro), var(--turquesa));
}
/* La tarjeta central crece y empuja footer + anfitrión al fondo */
.main { background: var(--fondo-panel); flex: 1 0 auto; width: 100%; }
.footer, .anfitrion { flex-shrink: 0; }

/* ---------- Tablet ---------- */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
  .hero__foto { max-width: 300px; margin: 0 auto; }
  .cuenta { justify-content: center; }
}

/* ---------- Móvil ---------- */
@media (max-width: 560px) {
  .aviso { font-size: .78rem; }
  .header__inner { flex-direction: column; }
  .logo, .logo--congreso { height: 75px; }
  .main { padding-top: 2rem; }
  .cuenta__item { min-width: 64px; padding: .5rem; }
  .cuenta__item span { font-size: 1.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  .aviso__punto { animation: none; }
  html { scroll-behavior: auto; }
}