@font-face {
  font-family: "Coolvetica";
  src: url("/assets/fonts/coolvetica.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --slide-bg: #eaf1fa;
  --brand-blue: #2977f5;
  --button-blue: #67a6e3;
  --panel-blue: #c1e1f8;
  --ink: #2f3d4d;
  --ink-soft: #5b6b7c;
  --rule: #9db8cc;
  --alert: #ff1e00;
  --font: "Coolvetica", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--slide-bg);
  font-family: var(--font);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

body.doc {
  background: #ffffff;
}

.stage {
  container-type: inline-size;
  width: min(100% - 32px, 1440px);
  margin: 0 auto;
}

.slide {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--slide-bg);
  overflow: hidden;
}

.brand {
  position: absolute;
  top: 3.2%;
  left: 3.1%;
}

.brand__logo {
  display: block;
  width: 12cqw;
  height: auto;
}

.menu__toggle {
  position: absolute;
  z-index: 2;
  top: 34.9%;
  left: 35.1%;
  width: 29.8%;
  height: 14.3%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1cqw;
  padding: 0;
  border: 0;
  border-radius: 1.2cqw;
  background: var(--button-blue);
  color: #ffffff;
  font-family: var(--font);
  font-size: 3.3cqw;
  font-weight: 400;
  letter-spacing: 0.01em;
  cursor: pointer;
  transform: translateX(0);
  transition: transform 0.2s ease;
}

.menu__toggle:hover {
  background: #5a9ade;
}

.menu__toggle:focus-visible {
  outline: 3px solid var(--brand-blue);
  outline-offset: 3px;
}

.menu__chev {
  width: 2.4cqw;
  height: 2.4cqw;
  flex: none;
  transition: transform 0.15s ease;
}

.menu__badge {
  position: absolute;
  top: -3.6cqw;
  right: 0.4cqw;
  color: var(--alert);
  font-size: 10cqw;
  font-weight: 700;
  line-height: 1;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.5);
  transition: opacity 0.15s ease, visibility 0.15s;
}

.menu__badge.is-visible {
  opacity: 1;
  visibility: visible;
  animation: beat 0.85s ease-in-out infinite;
}

@keyframes beat {
  0% {
    transform: scale(1);
  }
  22% {
    transform: scale(1.22);
  }
  48% {
    transform: scale(1);
  }
  100% {
    transform: scale(1);
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.menu__toggle[aria-expanded="true"] .menu__chev {
  transform: rotate(180deg);
}

.menu[data-open="true"] .menu__toggle {
  transform: translateX(-3.9cqw);
}

.menu__panel {
  position: absolute;
  z-index: 1;
  top: 47.2%;
  left: 46.2%;
  width: 26.5%;
  min-height: 25.6%;
  padding: 2.4cqw 2.6cqw 2.8cqw;
  border-radius: 1.3cqw;
  background: var(--panel-blue);
  opacity: 0;
  visibility: hidden;
  transform: translateX(0);
  transition: transform 0.2s ease, opacity 0.15s ease;
}

.menu[data-open="true"] .menu__panel {
  opacity: 1;
  visibility: visible;
  transform: translateX(-3.9cqw);
}

.menu__heading {
  margin: 0;
  font-size: 2.1cqw;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.menu__rule {
  margin: 0.9cqw 0 1.5cqw;
  border: 0;
  border-top: 1px solid var(--rule);
}

.menu__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5cqw;
}

.menu__item {
  display: grid;
  grid-template-columns: 0.55cqw 1fr;
  align-items: start;
  font-size: 1.45cqw;
  line-height: 1.35;
}

.menu__bang {
  color: var(--alert);
  font-weight: 700;
  visibility: hidden;
}

.menu__item.is-unread .menu__bang {
  visibility: visible;
  animation: beat 0.85s ease-in-out infinite;
}

.menu__item a {
  color: var(--ink-soft);
  text-decoration: none;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.menu__item.is-unread a {
  color: var(--ink);
}

.menu__item.is-read a {
  opacity: 0.5;
}

.menu__item a:hover {
  color: var(--ink);
  opacity: 1;
  text-decoration: underline;
}

.notfound {
  position: absolute;
  top: 38%;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  text-align: center;
}

.notfound__title {
  margin: 0 0 1.2cqw;
  font-size: 4cqw;
  font-weight: 700;
  color: var(--ink);
}

.notfound__text {
  margin: 0 0 2.4cqw;
  font-size: 1.6cqw;
  color: var(--ink-soft);
}

.notfound__link {
  display: inline-block;
  padding: 1.2cqw 2.4cqw;
  border-radius: 1cqw;
  background: var(--button-blue);
  color: #ffffff;
  font-size: 1.5cqw;
  text-decoration: none;
}

.notfound__link:hover {
  background: #5a9ade;
}

.page {
  container-type: inline-size;
  width: min(100% - 32px, 900px);
  margin: 0 auto;
  padding: 4rem 0;
}

.page__back {
  display: inline-block;
  margin-bottom: 2rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  text-decoration: none;
}

.page__back:hover {
  color: var(--ink);
  text-decoration: underline;
}

.page h1 {
  margin: 0 0 1rem;
  font-size: 1.75rem;
  font-weight: 700;
}

.page p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

@media (max-width: 700px) {
  .stage {
    width: 100%;
  }

  .slide {
    aspect-ratio: auto;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 20px 18px 28px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }

  .brand {
    position: static;
    flex: none;
  }

  .brand__logo {
    width: 120px;
  }

  .menu {
    margin: auto 0;
  }

  .menu__toggle {
    position: relative;
    top: auto;
    left: auto;
    width: 100%;
    height: auto;
    padding: 16px 18px;
    font-size: 22px;
    border-radius: 14px;
    gap: 10px;
    transform: none;
  }

  .menu[data-open="true"] .menu__toggle {
    transform: none;
  }

  .menu__chev {
    width: 18px;
    height: 18px;
  }

  .menu__badge {
    top: -15px;
    right: 1px;
    font-size: 40px;
  }

  .menu__panel {
    position: relative;
    top: auto;
    left: auto;
    width: auto;
    margin: -16px 0 0 26px;
    padding: 22px 20px 22px;
    border-radius: 14px;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .menu[data-open="true"] .menu__panel {
    display: block;
    transform: none;
  }

  .menu__heading {
    font-size: 19px;
  }

  .menu__rule {
    margin: 8px 0 13px;
  }

  .menu__item {
    grid-template-columns: 8px 1fr;
    font-size: 14px;
  }
}

@media (max-width: 640px) {
  .page {
    width: min(100% - 32px, 900px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .menu__badge.is-visible,
  .menu__item.is-unread .menu__bang {
    animation: none;
  }
}