/* --- Variables CSS --- */
:root {
  --primary-color: #A0C8ED;
  --secondary-color: #f2f2f2;
  --accent-color: rgb(255, 84, 84);
  --text-color-dark: rgb(56, 56, 56);
  --text-color-light: white;
  --border-color-light: rgba(255, 255, 255, 0.692);
  --border-color-dark: #7a7a7a;
  --border-radius-sm: 0.3125em;
  --border-radius-md: 0.5em;
  --header-height: 3.75em; 
  --transition-speed: 300ms;
}

/* --- Base Styles --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

/* --- Header --- */
header {
  width: 100%;
  height: var(--header-height);
  background: var(--primary-color);
  position: fixed;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5em;
}

.img-logo {
  width: 10.3125em;
  padding: 0.625em 0;
}

/* --- Navigacion Menu --- */
.menu {
  border-radius: var(--border-radius-md);
  box-shadow: 0 0.0625em 0.1875em rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color-light);
}

.menu ul {
  height: 50px;
  padding: 6px 4px;
  display: flex;
  gap: 0.3125em;
  list-style: none;
  align-items: center;
}

.menu li {
  list-style: none;
  position: relative;
}

.menu li a {
  padding: 0.625em;
  text-decoration: none;
  font-size: 0.875em;
  font-weight: bold;
  color: var(--text-color-dark);
  display: block;
  transition: all var(--transition-speed);
  border-radius: var(--border-radius-md);
}

.menu li a:hover {
  color: var(--text-color-light);
  background: var(--accent-color);
}

/* --- Mobile Menu Toggle --- */
#check {
  display: none;
}

.icon-menu {
  display: none;
  color: var(--text-color-light);
  padding: 0.25em;
  font-size: 1.5em;
  border: 1px solid var(--border-color-dark);
  border-radius: var(--border-radius-sm);
  margin-right: 1em;
  width: 3.125em;
  text-align: center;
  cursor: pointer;
}

.icon-menu:hover {
  background: #3f3f3f;
}


/* --- Mobile Styles (max-width: 30em) --- */
@media screen and (max-width: 30em) { 
  .icon-menu {
      display: block;
  }

  .menu {
      position: absolute;
      top: var(--header-height);
      left: 0;
      width: 100%;
      height: 0;
      overflow: hidden;
      background: var(--secondary-color);
      border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
      transition: height var(--transition-speed) ease-in-out;
      box-shadow: 0 0.0625em 0.1875em rgba(0, 0, 0, 0.2);
      border: 1px solid var(--primary-color);
      border-top: none;
  }

  #check:checked ~ .menu {
      height: auto;
      max-height: 250px;
  }

  .menu ul {
      flex-direction: column;
      text-align: center;
      display: flex;
      padding: 0.6em 0;
      height: auto;
      gap: 0.4em;
  }

  .menu li {
      margin: 0.2em 0;
      border-radius: var(--border-radius-md);
      border: 1px solid var(--text-color-dark);
      width: 90%;
      max-width: 180px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.1);
      display: flex;
      justify-content: center;
      align-items: center;
  }

  .menu li a {
      text-align: center;
      height: auto;
      padding: 0.7em 1em;
      font-size: 0.85em;
      width: 100%;
  }
}