:root {
  --bg-main: #0d1c35;
  --bg-soft: #172b4f;
  --card-bg: rgba(13, 30, 56, 0.84);
  --card-border: rgba(147, 198, 255, 0.34);
  --text-main: #d9ebff;
  --text-soft: #b6d1ec;
  --accent: #8fc4ff;
  --shadow: 0 16px 36px rgba(0, 0, 0, 0.42);
  --rune-glow: rgba(143, 196, 255, 0.22);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  min-height: 100vh;
  min-height: 100dvh;
  font-family: "Radiance", "Comfortaa", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text-main);
  background:
    linear-gradient(180deg, rgba(12, 22, 41, 0.86), rgba(15, 28, 53, 0.9)),
    radial-gradient(circle at 18% 12%, rgba(132, 190, 255, 0.12), transparent 33%),
    radial-gradient(circle at 88% 18%, rgba(128, 174, 255, 0.1), transparent 28%),
    url("https://cdn.steamstatic.com/apps/dota2/images/dota_react/international2022/persona/cm_wallpaper.jpg");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  overflow-x: hidden;
}

.snow-layer {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.page {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: calc(20px + env(safe-area-inset-top))
    calc(18px + env(safe-area-inset-right))
    calc(20px + env(safe-area-inset-bottom))
    calc(18px + env(safe-area-inset-left));
}

.card {
  width: min(100%, 560px);
  padding: clamp(22px, 6vw, 34px);
  border-radius: 24px;
  background: var(--card-bg);
  box-shadow: var(--shadow);
  border: 1px solid var(--card-border);
  text-align: left;
  position: relative;
  z-index: 2;
  backdrop-filter: blur(5px);
}

.card::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 16px;
  border: 1px solid rgba(154, 206, 255, 0.16);
  pointer-events: none;
}

.card::before {
  box-shadow: inset 0 0 30px var(--rune-glow);
}

h1 {
  margin: 2px 0 16px;
  font-family: "Radiance", "Cinzel", serif;
  font-size: clamp(1.75rem, 8vw, 2.75rem);
  line-height: 1.15;
  color: #eaf5ff;
  text-wrap: balance;
}

.message {
  margin: 0;
  max-width: 50ch;
  font-size: clamp(0.98rem, 3.6vw, 1.1rem);
  line-height: 1.6;
  color: var(--text-soft);
}

.dog-note {
  margin: 16px 0 0;
  font-size: 0.83rem;
  color: #9ecbfb;
}

.persona {
  margin: 18px 0 0;
}

.persona-media {
  position: relative;
}

.persona-video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: rgba(3, 10, 24, 0.92);
  border-radius: 14px;
  border: 1px solid rgba(165, 214, 255, 0.44);
  box-shadow: 0 10px 24px rgba(2, 12, 30, 0.46);
}

.persona-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: rgba(5, 15, 33, 0.48);
  color: #e7f4ff;
  border-radius: 14px;
  padding: 0;
  cursor: pointer;
  transition: background 180ms ease, opacity 180ms ease;
}

.persona-play:hover {
  background: rgba(9, 24, 50, 0.56);
}

.persona-play:focus-visible {
  outline: 2px solid #9fd0ff;
  outline-offset: 2px;
}

.persona-play-icon {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 1px solid rgba(185, 226, 255, 0.9);
  background: rgba(7, 24, 52, 0.82);
  font-size: 2rem;
  line-height: 1;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.45);
}

.persona-media.is-playing .persona-play {
  opacity: 0;
  pointer-events: none;
}

.persona-caption {
  margin: 8px 0 0;
  font-size: 0.8rem;
  color: #90bee9;
}

.signature {
  margin: 18px 0 0;
  font-size: clamp(0.92rem, 3.3vw, 1.02rem);
  font-weight: 700;
  color: #c9e4ff;
}

.card--hidden {
  opacity: 0;
  transform: translateY(8px);
}

.card--visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 420ms ease, transform 420ms ease;
}

.snowflake {
  position: fixed;
  top: -28px;
  z-index: 1;
  display: inline-block;
  color: rgba(205, 230, 255, 0.72);
  user-select: none;
  text-decoration: none;
  pointer-events: auto;
  cursor: pointer;
  animation-name: snowfall;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

@keyframes snowfall {
  0% {
    transform: translateY(0);
    opacity: 0;
  }

  12% {
    opacity: 0.8;
  }

  100% {
    transform: translateY(110dvh);
    opacity: 0;
  }
}

@media (max-width: 390px) {
  .persona-video {
    aspect-ratio: 16 / 9;
  }
}