:root {
  --bg-main: #0d1117;
  --bg-card: #161b22;
  --border-color: #30363d;
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --accent: #58a6ff;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
    sans-serif;
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  background-color: var(--bg-main);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 9999 !important;
}

.logo {
  font-weight: 800;
  font-size: 2rem;
  letter-spacing: -1px;
  background: linear-gradient(90deg, #e1f4ff, #588dff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; /* Efecto degradado moderno */
  display: inline-block;
}

.logo:hover {
  color: var(--accent);
}

header nav {
  display: flex;
  gap: 20px;
}

header nav a {
  text-decoration: none;
  color: var(--text-primary);
  font-size: 0.9rem;
}

header nav a:hover {
  color: var(--accent);
}

/* Menú Hamburguesa Logic */
#menu-check {
  display: none;
}

.hamburger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  z-index: 10000 !important;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  transition: 0.3s;
}

/* Footer compacto */
footer {
  border-top: 1px solid var(--border-color);
  padding: 15px 0; /* Altura reducida */
  text-align: center;
  margin-top: auto; /* Empuja el footer al final */
}

footer span {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  padding-bottom: 10px;
}

.footer-links {
  margin-top: 5px;
}

.footer-links a {
  margin: 0 10px;
  color: var(--accent);
  text-decoration: none;
}

.footer-icon {
    width: 24px; /* Un poquito más grandes para que sean fáciles de tocar */
    height: 24px;
    fill: var(--text-secondary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-icon:hover {
    fill: var(--accent);
    transform: translateY(-3px) scale(1.1);
}

/* Responsivo para Tablet y Celular */
@media (max-width: 768px) {
  .hamburger {
    display: flex !important; /* Cambiado a flex para alinear las rayitas */
    flex-direction: column;
    gap: 5px;
    z-index: 10001 !important;
    cursor: pointer;
  }

  header nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;

    /* SOLUCIÓN AL CORTE: box-sizing */
    box-sizing: border-box;

    background-color: var(--bg-main);
    flex-direction: column;

    /* Alineamos el contenido a la derecha */
    align-items: flex-end;
    padding: 20px 5%; /* 5% de respiro a los costados */

    border-bottom: 1px solid var(--border-color);
    z-index: 10000;
  }

  header nav a {
    text-align: right;
    width: 100%;
    padding: 12px 0;
    font-size: 1.1rem;
  }

  header nav a:last-child {
    border-bottom: none;
  }

  /* Mostrar menú al hacer clic en la hamburguesa */
  #menu-check:checked ~ nav {
    display: flex;
  }
}