* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --text-color: white;
  --bg-color: #070b16;
  --bg-url: url(./assets/bg-mobile.jpg);
  --stroke-color: rgba(255, 255, 255, 0.5);
  --surface-color: rgba(255, 255, 255, 0.1);
  --surface-color-hover: rgba(255, 255, 255, 0.02);
  --highlight-color: rgba(255, 255, 255, 0.2);
  --switch-bg-url: url(./assets/moon-stars.svg);
}

.light {
  --text-color: black;
  --bg-color: #f3f5f8;
  --bg-url: url(./assets/bg-mobile-light.jpg);
  --stroke-color: rgba(0, 0, 0, 0.5);
  --surface-color: rgba(0, 0, 0, 0.05);
  --surface-color-hover: rgba(0, 0, 0, 0.02);
  --highlight-color: rgba(0, 0, 0, 0.1);
  --switch-bg-url: url(./assets/sun.svg);
}

html {
  min-height: 100%;
  background: var(--bg-color);
}

body {
  background: transparent;
  position: relative;
  z-index: 0;
  min-height: 100vh;
  min-height: 100dvh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: var(--bg-color) var(--bg-url) no-repeat center top/cover;
  transform: translateZ(0);
}

body * {
  font-family: "Inter", sans-serif;
  color: var(--text-color);
}
#container {
  width: 100%;
  max-width: 588px;
  margin: 56px auto 0;
  padding: 0 24px;
}
/*profile*/
#profile {
  text-align: center;
  padding: 24px;
}
#profile img {
  width: 200px;
}

#profile p {
  font-weight: 500;
  line-height: 24px;
  margin-top: 8px;
}

/*switch*/
#switch {
  position: relative;
  width: 64px;
  margin: 4px auto;
  cursor: pointer;
}

#switch button {
  width: 32px;
  height: 32px;
  background: white var(--switch-bg-url) no-repeat center;
  border: 0;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 0;
  z-index: 1;
  transform: translateY(-50%);
  animation: slide-back 0.4s;
  cursor: pointer;
}

.light #switch button {
  animation: slide-in 0.4s forwards;
}

#switch button:hover {
  outline: 8px solid var(--highlight-color);
}

#switch button:focus-visible {
  outline: 3px solid var(--text-color);
  outline-offset: 4px;
}

#switch span {
  display: block;
  width: 64px;
  height: 24px;
  background: var(--surface-color);
  background: var(--stroke-color);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: 9999px;
}

/*links*/
ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px 0;
}

ul li a {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px 24px;
  background: var(--surface-color);
  border: 1px solid var(--stroke-color);
  border-radius: 15px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(
    4px
  ); /*alguns navegadores precisam desse modo para rodar*/
  text-decoration: none;
  font-weight: 500;
  transition: background 0.2s;
}

ul li a:hover {
  background: var(--surface-color-hover);
  border: 1.5px solid var(--text-color);
}

ul li a:focus-visible {
  outline: 3px solid var(--text-color);
  outline-offset: 2px;
}

/*social links*/
#social-links {
  display: flex;
  justify-content: center;
  padding: 24px 0;
  font-size: 42px;
}

#social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  transition: background 0.2s;
  border-radius: 50%;
}

#social-links a:hover {
  background: var(--highlight-color);
}

#social-links a:focus-visible {
  outline: 3px solid var(--text-color);
  outline-offset: 2px;
}

footer {
  padding: 24px 0;
  text-align: center;
  font-size: 14px;
}

/*media queries*/
@media (min-width: 700px) {
  :root {
    --bg-url: url(./assets/bg-desktop.jpg);
  }
  .light {
    --bg-url: url(./assets/bg-desktop-light.jpg);
  }
}

/*animation*/
@keyframes slide-in {
  from {
    left: 0;
  }
  to {
    left: 50%;
  }
}

@keyframes slide-back {
  from {
    left: 50%;
  }
  to {
    left: 0;
  }
}