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

/* BASE */
body {
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

/* HERO */
.hero {
  height: 100vh;
  width: 100%;
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

/* OVERLAY */
.overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.65),
    rgba(0,0,0,0.15)
  );
}

/* LOGO */
.logo {
  position: absolute;
  top: 20px;
  left: 20px;
  color: white;
  font-size: 0.85rem;
  letter-spacing: 2px;
  opacity: 0.9;
}

/* CONTENT */
.content {
  position: relative;
  color: white;
  text-align: center;
  padding: 40px 20px;
  max-width: 600px;
  width: 100%;
}

/* TITLES */
h1 {
  font-size: 2.4rem;
  margin-bottom: 12px;
}

p {
  font-size: 0.95rem;
  margin-bottom: 8px;
  opacity: 0.9;
  line-height: 1.5;
}

/* BOTONES MENÚ */
.buttons-main {
  margin-top: 20px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* BOTONES VOLCANES (GRID LIMPIO) */
.buttons-volcanes {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 10px;
  justify-content: center;
}

/* BASE BOTÓN */
.button {
  text-decoration: none;
  padding: 12px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  transition: all 0.25s ease;
  text-align: center;
  white-space: nowrap;
}

/* MENÚ PRINCIPAL */
.button-primary {
  background: white;
  color: black;
}

/* MENÚ SECUNDARIO */
.button-secondary {
  border: 1px solid white;
  color: white;
}

/* VOLCANES */
.button-ghost {
  border: 1px solid rgba(255,255,255,0.5);
  color: white;
  padding: 8px 12px;
  font-size: 0.75rem;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(6px);
}

/* INTERACCIONES */
.button:hover {
  transform: translateY(-2px);
}

.button:active {
  transform: scale(0.96);
}

/* MOBILE EXTRA */
@media (max-width: 400px) {
  .buttons-volcanes {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* DESKTOP */
@media (min-width: 768px) {
  h1 {
    font-size: 2.8rem;
  }

  .buttons-volcanes {
    grid-template-columns: repeat(3, auto);
  }

  .button {
    font-size: 0.9rem;
  }
}