* {
  box-sizing: border-box;
}

:root {
  --color-primary: #4169e1;
  --color-primary-darken: #6a5acd;
  --color-background: white;
  --color-background-secondary: #f1f5f9;
  --color-text: black;
  --color-text-secondary: #334155;
  --container-size: 768px;
}

html {
  font-size: 16px;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  scroll-behavior: smooth;
  touch-action: manipulation;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

*::selection {
  background-color: var(--color-primary);
  color: white;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #0f172a;
    --color-background-secondary: #1e293b;
    --color-text: #f8fafc;
    --color-text-secondary: #e2e8f0;
  }
}

html,
body {
  padding: 0;
  margin: 0;
  background-color: var(--color-background);
  color: var(--color-text);
}

.page {
  display: flex;
  flex-direction: column;
}

.navbar {
  --navbar-height: 64px;
}

.navbar__container {
  display: flex;
  max-width: var(--container-size);
  margin: 0 auto;
}

.navbar__name {
  display: flex;
  height: var(--navbar-height);
  padding: 0 1rem;
  margin: 0;
  justify-content: center;
  align-items: center;
  white-space: nowrap;
  -webkit-user-select: none;
  user-select: none;
}

.navbar__list {
  display: flex;
  margin: 0;
  padding: 0 1rem;
  flex-direction: row;
  gap: 1rem;
  list-style-type: none;
  width: 100%;
  justify-content: flex-end;
}

@media (max-width: 400px) {
  .navbar__list {
    display: none;
  }
}

.navbar__list-item {
  display: flex;
  align-items: center;
}

.navbar__link {
  --navbar-link-height: calc(var(--navbar-height) / 1.5);

  display: flex;
  height: var(--navbar-link-height);
  padding: 0 0.5rem;
  justify-content: center;
  align-items: center;
  color: var(--color-primary);
  text-decoration: none;
  transition: 200ms color ease-in;
  position: relative;
  overflow: hidden;
  border-radius: 0.5rem;
}

.navbar__link::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: var(--color-primary);
  opacity: 0;
  transition: 200ms opacity ease;
}

.navbar__link:hover,
.navbar__link:focus {
  color: var(--color-primary-darken);
}

.navbar__link:hover::before,
.navbar__link:focus::before {
  opacity: 0.25;
}

.hero {
  max-width: 100%;
  overflow: hidden;
  position: relative;
  min-height: 400px;
  max-height: 800px;
  height: 90vh;
}

.hero__background {
  position: absolute;
  -webkit-user-select: none;
  user-select: none;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__content-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  background-color: #1e293baf;
}

.hero__content {
  max-width: 400px;
  color: white;
}

.hero__title {
  text-align: center;
  font-family: "Montserrat", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.hero__description {
  text-align: justify;
}

.hero__download {
  background-color: var(--color-primary);
  color: white;
  border: none;
  padding: 1em 2em;
  margin: 0 auto;
  border-radius: 1em;
  font-weight: bold;
  display: block;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  transition: 200ms background-color ease-in;
  font-size: 1.1rem;
  appearance: none;
}

.hero__download:hover,
.hero__download:focus {
  background-color: var(--color-primary-darken);
}

.changelog {
  padding: 1rem;
}

.changelog > * {
  max-width: var(--container-size);
  margin: 0 auto;
}

.changelog__title {
  text-align: center;
  padding: 1rem 0;
  font-family: "Montserrat", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.changelog__list {
  padding: 0;
  display: grid;
  list-style-type: none;
  gap: 1rem;
}

@media (min-width: 768px) {
  .changelog__list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.post {
  padding: 1rem;
  border-radius: 0.5rem;
  background-color: var(--color-background-secondary);
}

.post__heading {
  margin: 1rem auto;
  gap: 0.5rem;
}

.post__title {
  font-size: 1.25rem;
  margin: 1rem 0;
  font-family: "Montserrat", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
}

.post__publish-date {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.post__content {
  font-size: 1rem;
}

.modal {
  display: none;
  position: fixed;
  width: 100%;
  height: 100vh;

  --modal-roundness: 0.5rem;
  will-change: opacity;
}

.modal--shown {
  display: block;
  animation: fadeIn 100ms ease;
}

.modal__shadow {
  background-color: black;
  opacity: 0.6;
  width: 100%;
  height: 100vh;
  position: fixed;
  z-index: -1;
  padding: 0;
  appearance: none;
  border: none;
  border-radius: 0;
}

.modal__content {
  max-width: 500px;
  display: flex;
  flex-direction: column;
  margin: 0 auto;
  padding: 0.5rem;

  will-change: transform;
}

.modal--shown .modal__content {
  animation: slideIn 200ms ease-in;
}

.modal__header {
  --modal-header-height: 64px;

  border-radius: var(--modal-roundness) var(--modal-roundness) 0 0;
  overflow: hidden;
  display: flex;
  background-color: var(--color-primary);
  color: var(--color-background);
  height: var(--navbar-height);
  gap: 1rem;
}

.modal__close-x {
  color: var(--color-background);
  font-weight: bold;
  border: none;
  height: var(--modal-header-height);
  width: var(--modal-header-height);
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--color-primary);
  transition: 200ms background-color ease-in;
  font-size: 1.5rem;
  cursor: pointer;
}

.modal__close-x:hover,
.modal__close-x:focus {
  background-color: var(--color-primary-darken);
}

.modal__title {
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: bold;
  font-size: 1.1rem;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  margin: 0;
  margin: 0;
  font-family: "Montserrat", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.modal__body {
  background-color: var(--color-background);
  padding: 1rem;
}

.modal__body * {
  max-width: 100%;
}

.modal__footer {
  --modal-header-height: 64px;
  display: flex;
  height: var(--modal-header-height);

  border-radius: 0 0 var(--modal-roundness) var(--modal-roundness);
  overflow: hidden;
}

.modal__footer > * {
  width: 100%;

  height: var(--modal-header-height);
  padding: 0;
  display: flex;
  border: none;
  border-radius: 0;
  cursor: pointer;

  justify-content: center;
  align-items: center;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: bold;

  appearance: none;
}

.modal__submit {
  background-color: var(--color-primary);
  transition: 200ms background-color ease-in;
  color: var(--color-background);
}

.modal__submit:hover,
.modal__submit:focus {
  background-color: var(--color-primary-darken);
}

.modal__input {
  margin-top: 0.5rem;
  width: 100%;
  font-size: 1rem;
  padding: 0.5rem;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideIn {
  from {
    transform: translateY(-200%);
  }

  to {
    transform: translateY(0);
  }
}