:root {
  color-scheme: dark;
  font-family: "Segoe UI Variable Display", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: #050806;
}

@font-face {
  font-family: "WatermarkDisplay";
  src: url("watermark-font.otf") format("opentype");
  font-style: oblique;
  font-weight: 700;
  font-display: swap;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-width: 320px;
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100svh;
  overflow: hidden;
  background: #050806;
}

.placeholder {
  position: relative;
  min-height: 100svh;
  isolation: isolate;
  padding: clamp(1.25rem, 4vw, 4rem);
  overflow: hidden;
}

.placeholder__image,
.placeholder__shade,
.placeholder__grid,
.placeholder__watermarks {
  position: absolute;
  inset: 0;
}

.placeholder__image {
  z-index: -4;
  background: #020706 url("superhero-background.webp?v=1") center center / cover no-repeat;
  transform: scale(1.045) translate3d(-1.1%, .35%, 0);
  animation: cinematic-drift 12s cubic-bezier(.45, 0, .55, 1) infinite alternate;
  will-change: transform;
}

.placeholder__shade {
  z-index: -3;
  background:
    radial-gradient(circle at 50% 50%, transparent 0 23%, rgba(0, 5, 4, .08) 47%, rgba(0, 3, 3, .64) 100%),
    linear-gradient(to bottom, rgba(0, 4, 4, .16), transparent 46%, rgba(0, 3, 3, .72) 100%);
}

.placeholder__grid {
  z-index: -2;
  opacity: .12;
  background-image:
    linear-gradient(rgba(79, 255, 169, .13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 255, 169, .13) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, transparent, #000 24%, #000 76%, transparent);
}

.placeholder__watermarks {
  z-index: -1;
  display: block;
  overflow: hidden;
  color: rgba(255, 255, 255, .25);
  font-family: "WatermarkDisplay", "Arial Black", sans-serif;
  font-size: clamp(.9rem, 1.2vw, 1.2rem);
  font-style: oblique;
  font-weight: 700;
  letter-spacing: .055em;
  white-space: nowrap;
  text-shadow: 0 .12rem .4rem rgba(0, 0, 0, .58);
  pointer-events: none;
  user-select: none;
}

.placeholder__watermarks span {
  position: absolute;
  transform: rotate(-22deg);
}

.placeholder__watermarks span:nth-child(1) { top: 7%; left: 2%; }
.placeholder__watermarks span:nth-child(2) { top: 7%; left: 24%; }
.placeholder__watermarks span:nth-child(3) { top: 7%; right: 23%; }
.placeholder__watermarks span:nth-child(4) { top: 7%; right: 2%; }
.placeholder__watermarks span:nth-child(5) { top: 35%; left: 4%; }
.placeholder__watermarks span:nth-child(6) { top: 35%; right: 4%; }
.placeholder__watermarks span:nth-child(7) { top: 60%; left: 1%; }
.placeholder__watermarks span:nth-child(8) { top: 60%; left: 25%; }
.placeholder__watermarks span:nth-child(9) { top: 60%; right: 25%; }
.placeholder__watermarks span:nth-child(10) { top: 60%; right: 1%; }
.placeholder__watermarks span:nth-child(11) { bottom: 8%; left: 15%; }
.placeholder__watermarks span:nth-child(12) { right: 15%; bottom: 8%; }

.message {
  position: absolute;
  bottom: clamp(1.3rem, 4vw, 3.5rem);
  left: 50%;
  width: min(90vw, 38rem);
  padding: clamp(1rem, 2vw, 1.45rem) clamp(1.3rem, 3vw, 2.5rem);
  overflow: hidden;
  border: 1px solid rgba(132, 255, 192, .30);
  border-radius: 999px;
  background:
    linear-gradient(115deg, rgba(3, 14, 9, .78), rgba(4, 22, 14, .48)),
    rgba(2, 10, 6, .52);
  box-shadow:
    0 2rem 7rem rgba(0, 0, 0, .56),
    inset 0 1px rgba(255, 255, 255, .07),
    0 0 4rem rgba(0, 255, 126, .08);
  backdrop-filter: blur(18px) saturate(125%);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
  transform: translateX(-50%);
}

.message::after {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(105deg, transparent 30%, rgba(173, 255, 213, .06), transparent 70%);
  content: "";
  pointer-events: none;
}

.message__accent {
  position: absolute;
  top: 50%;
  left: 1.25rem;
  width: .35rem;
  height: 48%;
  border-radius: 999px;
  background: linear-gradient(90deg, #71ffc0, #00dc73);
  box-shadow: 0 0 1.6rem rgba(31, 255, 144, .72);
  transform: translateY(-50%);
}

h1 {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #f4fff9;
  font-size: clamp(1.6rem, 3vw, 2.65rem);
  font-weight: 400;
  letter-spacing: .035em;
  line-height: 1.04;
  text-align: center;
  text-wrap: balance;
  background: linear-gradient(105deg, #ffffff 8%, #d9ffea 58%, #80ffc2 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow:
    0 .15rem .8rem rgba(0, 0, 0, .66),
    0 0 2.4rem rgba(33, 255, 145, .16);
}

.typing-shell {
  display: inline-grid;
  vertical-align: bottom;
}

.typing-ghost,
.typing-text {
  grid-area: 1 / 1;
  white-space: nowrap;
}

.typing-ghost {
  visibility: hidden;
}

.typing-text {
  justify-self: start;
}

.typing-text::after {
  display: inline-block;
  width: .08em;
  height: .9em;
  margin-left: .11em;
  border-radius: 999px;
  background: #7dffc1;
  box-shadow: 0 0 .55em rgba(69, 255, 163, .8);
  vertical-align: -.08em;
  animation: caret-blink .72s step-end infinite;
  content: "";
}

@keyframes caret-blink {
  0%, 47% { opacity: 1; }
  48%, 100% { opacity: 0; }
}

@keyframes cinematic-drift {
  0% { transform: scale(1.045) translate3d(-1.1%, .35%, 0); }
  48% { transform: scale(1.075) translate3d(.15%, -.2%, 0); }
  100% { transform: scale(1.11) translate3d(1.05%, -.8%, 0); }
}

@media (max-width: 640px) {
  .placeholder__image {
    background-position: 50% center;
  }

  .placeholder__watermarks {
    font-size: .85rem;
  }

  .message {
    bottom: max(1rem, env(safe-area-inset-bottom));
    width: calc(100vw - 2rem);
  }

  h1 {
    font-size: clamp(1.35rem, 7vw, 2rem);
  }
}