:root {
  --primary-black: #0A0A0A;
  --soft-black: #1A1A1A;
  --dark-gray: #2A2A2A;
  --medium-gray: #404040;
  --light-gray: #808080;

  --primary-yellow: #FFD700;
  --bright-yellow: #FFF200;
  --soft-yellow: #FFF8DC;
  --dark-yellow: #B8860B;
  --neon-yellow: #FFFF00;

  --white: #FFFFFF;
  --soft-white: #F5F5F5;
}

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

body {
  font-family: 'Segoe UI', 'Roboto', sans-serif;
  background-color: var(--primary-black);
  color: var(--white);
  scroll-behavior: smooth;
}

header {
  background: linear-gradient(to bottom, #0A0A0A, #1A1A1A);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--dark-yellow);
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-yellow);
  
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
}

nav a {
  margin-left: 1.5rem;
  text-decoration: none;
  color: var(--light-gray);
  font-weight: 500;
  transition: all 0.3s ease;
  padding: 0.5rem 1rem;
  border: 1px solid var(--dark-yellow);
  border-radius: 6px;
}

nav a:hover {
  background-color: var(--bright-yellow);
  color: #000;
  box-shadow: 0 0 10px var(--bright-yellow);
}

nav a.active {
  background-color: var(--primary-yellow);
  color: #000;
  font-weight: bold;
}

section {
  padding: 4rem 2rem;
  min-height: 100vh;
  background-color: var(--soft-black);
  border-bottom: 1px solid var(--dark-yellow);
}

.section-title {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--primary-yellow);
  font-weight: bold;
}

.tier-list {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(3, 1fr);
}

/* Brillos a los marcos */
.tier:nth-child(1) { /* S */
  background-color: #FFD700;
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
}

.tier:nth-child(2) { /* A */
  background-color: #FFEA00;
  box-shadow: 0 0 10px rgba(255, 234, 0, 0.4);
}

.tier:nth-child(3) { /* B */
  background-color: #FFD300;
  box-shadow: 0 0 5px rgba(255, 211, 0, 0.3);
}


.tier {
  border-radius: 10px;
  padding: 1rem;
  box-shadow: 0 0 8px rgba(255, 215, 0, 0.1);
  border: 1px solid var(--dark-yellow);
  background-color: var(--primary-yellow);
}

.tier h3 {
  margin-bottom: 1rem;
  font-weight: 600;
}

.champions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.champion {
  width: 54px;
  height: 54px;
  background-color: var(--soft-black);
  border: 1px solid var(--dark-yellow);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-yellow);
  font-size: 0.9rem;
  transition: all 0.3s ease;
  box-shadow: 0 0 5px rgba(255, 215, 0, 0.1);
}

.champion img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}


.champion:hover {
  transform: scale(1.1);
  border-color: var(--bright-yellow);
  box-shadow: 0 0 10px var(--bright-yellow);
}

.tier:nth-child(1) {
  background: linear-gradient(to right, #2e2c21, #dcbc08);
  color: var(--bright-yellow);
}

.tier:nth-child(2) {
  background-color: var(--soft-black);
  color: var(--white);
}

.tier:nth-child(3) {
  background-color: var(--dark-gray);
  color: var(--light-gray);
  border-color: var(--soft-yellow);
}

.tier:nth-child(4) {
  background-color: var(--medium-gray);
  color: var(--light-gray);
  border-color: var(--medium-gray);
}

.tier:nth-child(5) {
  background-color: var(--dark-gray);
  color: var(--medium-gray);
  border: none;
}

::selection {
  background-color: var(--primary-yellow);
  color: #000;
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--primary-black);
}

::-webkit-scrollbar-thumb {
  background-color: var(--primary-yellow);
  border-radius: 5px;
}

@media (max-width: 768px) {
  nav a {
    margin-left: 0.5rem;
    padding: 0.4rem 0.75rem;
  }
  .section-title {
    font-size: 1.5rem;
  }
  .champions {
    justify-content: flex-start;
  }
}



.main-container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px; /* ¡Contenido principal EXPANDIDO! */
  gap: 0.5rem; /* Espacio mínimo entre contenido y anuncios */
  max-width: 100%;
  padding: 0 0.5rem;
}

/* Contenido principal OCUPA TODO EL ESPACIO DISPONIBLE */
main {
  width: 100%;
  padding: 2rem 0; /* Padding vertical pero no horizontal */
}

/* Barra de anuncios ultracompacta */
.ad-sidebar {
  width: 160px;
  padding: 1rem 0;
  position: sticky;
  top: 7rem;
  align-self: start;
}

/* Anuncios cuadrados (opcional) */
.ad-unit {
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid var(--dark-yellow);
  border-radius: 8px;
  aspect-ratio: 1/1; /* Formato cuadrado */
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}

/* Responsive: en móviles, los anuncios van abajo */
@media (max-width: 768px) {
  .main-container {
    grid-template-columns: 1fr;
  }
  .ad-sidebar {
    width: 100%;
    display: flex;
    gap: 0.5rem;
  }
  .ad-unit {
    flex: 1;
  }
}