@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,300;0,700;1,300;1,700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200');

body {
  font-family: 'Roboto', sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100%;
  max-width: 100vw;
}

/* header */
.header {
  background-color: #b2b2b2;
  color: #1c1c1c;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0px 100px 0px 30px;
}

.header.dark {
  background-color: #1c1c1c;
  color: #b2b2b2;
}

.header .logo-header {
  display: flex;
  align-items: center;
  margin-right: 30px;
}

.header .title-header h2 {
  display: flex;
}

.header .logo-header a {
  margin-right: 50px;
}

.switch-theme {
  display: block;
  --width-of-switch: 3.5em;
  --height-of-switch: 2em;
  /* size of sliding icon -- sun and moon */
  --size-of-icon: 1.4em;
  /* it is like a inline-padding of switch */
  --slider-offset: 0.3em;
  position: relative;
  width: var(--width-of-switch);
  height: var(--height-of-switch);
}

/* Hide default HTML checkbox */
.switch-theme input {
  opacity: 0;
  width: 0;
  height: 0;
}

.main-section.dark {
  background-color: #1c1c1c;
  color: #f4f4f5;
}

/* The slider */
.slider-theme {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #f4f4f5;
  transition: 0.4s;
  border-radius: 30px;
}

.slider-theme:before {
  position: absolute;
  content: '';
  height: var(--size-of-icon, 1.4em);
  width: var(--size-of-icon, 1.4em);
  border-radius: 20px;
  left: var(--slider-offset, 0.3em);
  top: 50%;
  transform: translateY(-50%);
  background: linear-gradient(40deg, #ff0080, #ff8c00 70%);
  transition: 0.4s;
}

input:checked + .slider-theme {
  background-color: #303136;
}

input:checked + .slider-theme:before {
  left: calc(100% - (var(--size-of-icon, 1.4em) + var(--slider-offset, 0.3em)));
  background: #303136;
  /* change the value of second inset in box-shadow to change the angle and direction of the moon  */
  box-shadow: inset -3px -2px 5px -2px #8983f7, inset -10px -4px 0 0 #a3dafb;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 50px;
}

.navbar.dark {
  background-color: #303136;
  color: #b2b2b2;
}

.navbar .link-contato {
  display: flex;
  text-decoration: none;
  position: relative;
}

.navbar .link-contato a {
  text-decoration: none;
}

.nav-active {
  border-radius: 10px;
  background-color: #b2b2b2;
  padding: 5px;
}

.navbar .links {
  display: flex;
  align-items: center;
  text-decoration: none;
  padding-right: 50px;
}
.navbar .links li {
  margin-right: 30px;
  padding-right: 20px;
}
.navbar .links a {
  display: flex;
  color: #1c1c1c;
  text-decoration: none;
}

.navbar.dark .links a {
  color: #fff;
}

.button-header {
  align-items: center;
  background-color: transparent;
  color: #fff;
  cursor: pointer;
  display: flex;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  text-decoration: none;
  text-transform: uppercase;
  outline: 0;
  border: 0;
  padding: 1rem;
}

.button-header:before {
  background-color: #1c1c1c;
  content: '';
  display: inline-block;
  height: 1px;
  margin-right: 10px;
  transition: all 0.42s cubic-bezier(0.25, 0.8, 0.25, 1);
  width: 0;
}

.button-header:hover:before {
  background-color: #1c1c1c;
  width: 3rem;
}

/* footer */
.footer {
  background-color: #b2b2b2;
  color: #1c1c1c;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  position: relative;
  bottom: 0;
}

.footer.dark {
  background-color: #303136;
  color: #b2b2b2;
}

.footer .contact-info {
  text-align: left;
}
.footer .social-links {
  text-align: right;
}

.footer .social-links img {
  width: 30px;
  margin-left: 20px;
  transition: 0.5s ease-out;
}

.footer .social-links img:hover {
  width: 40px;
  margin-left: 20px;
  filter: contrast(5) hue-rotate(-15deg) saturate(1.5);
}

/* Mobile Responsive Styles */
@media screen and (max-width: 768px) {
  /* Header adjustments */
  .header {
    flex-direction: column;
    padding: 10px 20px;
    text-align: center;
  }

  .header .logo-header {
    margin-right: 0;
    margin-bottom: 10px;
    justify-content: center;
  }

  .header .logo-header a {
    margin-right: 20px;
  }

  .header .title-header h2 {
    font-size: 1.2em;
  }

  /* Navigation adjustments */
  .navbar {
    flex-direction: column;
    height: auto;
    padding: 10px;
  }

  .navbar .links {
    flex-direction: column;
    padding-right: 0;
    width: 100%;
    margin-bottom: 20px;
  }

  .navbar .links li {
    margin-right: 0;
    margin-bottom: 10px;
    padding-right: 0;
    text-align: center;
  }

  .button-header {
    padding: 0.5rem;
    font-size: 0.9rem;
  }

  .button-header:before {
    display: none;
  }

  /* Footer adjustments */
  .footer {
    flex-direction: column;
    text-align: center;
    padding: 20px;
  }

  .footer .contact-info {
    text-align: center;
    margin-bottom: 15px;
  }

  .footer .social-links {
    text-align: center;
  }

  .footer .social-links img {
    margin: 0 10px;
  }
}

@media screen and (max-width: 480px) {
  .header h1 {
    font-size: 1.5em;
  }

  .header .title-header h2 {
    font-size: 1em;
  }

  .button-header {
    font-size: 0.8rem;
    padding: 0.3rem;
  }

  .footer .social-links img {
    width: 25px;
    margin: 0 5px;
  }
}