:root {
  color-scheme: dark;
  --ink: #f7f7ff;
  --muted: #b7b3cc;
  --quiet: #807a9b;
  --line: rgba(120, 95, 210, 0.25);
  --surface: rgba(24, 19, 58, 0.72);
  --card: rgba(35, 30, 76, 0.58);
  --cyan: #2de1de;
  --blue: #3778ff;
  --violet: #7e32f1;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  background:
    radial-gradient(circle at 78% 68%, rgba(91, 55, 198, 0.55), transparent 0 26%, transparent 48%),
    radial-gradient(circle at 12% 12%, rgba(20, 92, 124, 0.45), transparent 0 28%, transparent 52%),
    linear-gradient(135deg, #081729 0%, #130d38 45%, #18083b 100%);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

.page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  width: min(100% - 32px, 1120px);
  margin: 0 auto;
  padding: 48px 0;
}

.showcase {
  width: min(920px, 100%);
  padding: 56px 42px 34px;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 34px 120px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(22px);
}

.studio {
  margin: 30px 0 10px;
  color: var(--cyan);
  font-size: 1.02rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2.5rem, 8vw, 4.8rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  margin: 24px auto 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.22rem);
  line-height: 1.9;
}

.store-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 50px;
  margin-top: 34px;
  padding: 0 24px;
  border: 1px solid rgba(45, 225, 222, 0.38);
  border-radius: 999px;
  background: rgba(24, 118, 150, 0.28);
  color: #ecffff;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 0 34px rgba(45, 225, 222, 0.12);
}

.store-link span {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 18px rgba(45, 225, 222, 0.95);
}

.app-icon {
  position: relative;
  width: 142px;
  aspect-ratio: 1;
  margin: 8px auto 0;
  border: 1px solid rgba(105, 86, 220, 0.52);
  border-radius: 36px;
  background: linear-gradient(145deg, rgba(44, 37, 115, 0.94), rgba(20, 72, 120, 0.62));
  box-shadow: 0 0 0 14px rgba(93, 63, 208, 0.08), 0 20px 46px rgba(48, 30, 124, 0.34);
}

.qr,
.mark {
  position: absolute;
  z-index: 1;
}

.qr {
  width: 24px;
  aspect-ratio: 1;
  border: 5px solid #ffffff;
  opacity: 0.96;
}

.qr::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: 4px solid #ffffff;
}

.qr--one {
  top: 34px;
  right: 34px;
}

.qr--two {
  top: 34px;
  left: 34px;
}

.qr--three {
  bottom: 34px;
  right: 34px;
}

.mark {
  inset: 38px;
  border: 5px solid #ffffff;
  border-top-color: transparent;
  border-right-color: transparent;
  border-radius: 50%;
  transform: rotate(-45deg);
}

.mark::before,
.mark::after {
  content: "";
  position: absolute;
  background: #ffffff;
}

.mark::before {
  width: 40px;
  height: 5px;
  top: 30px;
  right: 20px;
}

.mark::after {
  width: 5px;
  height: 36px;
  top: 20px;
  right: 40px;
  box-shadow: -13px 0 0 #ffffff, -25px 12px 0 #ffffff;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 46px;
  text-align: left;
}

.features article {
  min-height: 132px;
  padding: 22px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.features h2 {
  margin: 0 0 10px;
  color: #ffffff;
  font-size: 1.05rem;
}

.features p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

footer {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 38px;
  color: var(--quiet);
  font-size: 0.92rem;
}

footer a {
  color: var(--quiet);
  text-decoration: none;
}

footer a:hover {
  color: var(--cyan);
}

@media (max-width: 820px) {
  .page {
    width: min(100% - 24px, 620px);
    padding: 24px 0;
  }

  .showcase {
    padding: 34px 20px 26px;
    border-radius: 22px;
  }

  .app-icon {
    width: 116px;
    border-radius: 30px;
  }

  .features {
    grid-template-columns: 1fr;
    margin-top: 34px;
  }
}