/* Utilidades de contenedor y layout */
.container {
  width: var(--container-width);
  max-width: var(--container-max);
  margin-inline: auto;
}

.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}

.mb-3 {
  margin-bottom: var(--space-lg);
}

/* Utilidades de texto */
.font-heading {
  font-family: var(--font-heading);
}

.text-orange {
  color: var(--color-accent);
}

.header {
  background-color: var(--bg-secondary);
  border-bottom: var(--border-base) solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;

  & .nav-container {
    width: var(--container-width);
    max-width: var(--container-max);
    margin-inline: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  & .logo {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.05rem;

    img {
      width: 80px;
      height: 80px;
    }
  }

  & .nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);

    & a {
      position: relative;
      display: inline-flex;
      align-items: center;

      padding: 0.4rem 0;

      text-decoration: none;
      color: var(--text-primary);

      font-family: var(--font-body);
      font-size: var(--text-base);
      font-weight: 700;

      transition: color 0.3s ease;

      cursor: pointer;
    }

    & a::after {
      content: "";

      position: absolute;

      left: 0;
      bottom: -4px;

      width: 100%;
      height: 2px;

      background: var(--color-accent);

      transform: scaleX(0);
      transform-origin: center;

      transition: transform 0.3s ease;
    }

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

    & a:hover::after {
      transform: scaleX(1);
    }

    & a.active {
      color: var(--color-accent);
    }

    & a.active::after {
      transform: scaleX(1);
    }
  }

  & .menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--text-lg);
    color: var(--text-primary);
    cursor: pointer;
  }
}

.footer {
  background-color: var(--bg-secondary);
  color: var(--text-inverse);
  padding-block: var(--space-xl);
  margin-top: var(--space-xxl);

  & h4 {
    font-family: var(--font-heading);
    font-size: var(--text-md);
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    font-weight: 700;
  }

  & ul {
    list-style: none;

    & li {
      margin-bottom: var(--space-sm);

      & a {
        color: var(--text-inverse);
        text-decoration: none;
        opacity: 0.8;
        transition: var(--transition-base);

        &:hover {
          opacity: 1;
          color: var(--color-brand);
        }
      }
    }
  }

  & .footer-bottom {
    border-top: var(--border-base) solid var(--border-color-inverse);
    padding-top: var(--space-lg);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-md);
    font-size: var(--text-sm);
    color: var(--text-secondary);

    & a {
      color: var(--text-secondary);
      text-decoration: none;
      transition: var(--transition-base);

      &:hover {
        color: var(--text-inverse);
      }
    }
  }
}

@media (max-width: 48rem) {
  .header {
    & .menu-toggle {
      display: block;
    }

    & .nav-links {
      display: none;
      flex-direction: column;
      position: absolute;
      top: 100%;
      left: 0;
      width: 100%;
      background-color: var(--bg-primary);
      padding: var(--space-md) var(--container-width);
      border-bottom: var(--border-base) solid var(--border-color);
      box-shadow: 0 0.5rem 1rem #0000001a;
      /* Igual que arriba, debería ser variable global */
      align-items: flex-start;

      &.active {
        display: flex;
      }

      & .dropdown {
        width: 100%;

        & .dropdown-content {
          position: static;
          box-shadow: none;
          border: none;
          border-left: var(--border-base) solid var(--color-accent);
          margin-left: var(--space-md);
          border-radius: 0;
          min-width: auto;
        }
      }
    }
  }

  .footer .footer-bottom {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}