:root {
  /* Палитра: деловой сине-бирюзовый градиент, тёплый акцент */
  --grad-1: #0b2a4a;
  --grad-2: #14639e;
  --grad-3: #0fa3a3;
  --accent: #ffb703;
  --accent-text: #1c1500;
  --text: #f4f9ff;
  --text-dim: rgba(244, 249, 255, .78);
  --card-bg: rgba(255, 255, 255, .10);
  --card-border: rgba(255, 255, 255, .22);
  --chip-bg: rgba(255, 255, 255, .12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100dvh;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  position: fixed;
  inset: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  color: var(--text);
  background: linear-gradient(160deg, var(--grad-1) 0%, var(--grad-2) 55%, var(--grad-3) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(14px + env(safe-area-inset-top))
           calc(14px + env(safe-area-inset-right))
           calc(14px + env(safe-area-inset-bottom))
           calc(14px + env(safe-area-inset-left));
}

/* Декоративные пятна на фоне */
body::before, body::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .35;
  pointer-events: none;
}
body::before {
  width: 46vmin; height: 46vmin;
  background: var(--grad-3);
  top: -10vmin; right: -10vmin;
}
body::after {
  width: 52vmin; height: 52vmin;
  background: var(--accent);
  bottom: -18vmin; left: -14vmin;
  opacity: .18;
}

.card {
  position: relative;
  width: 100%;
  max-width: 420px;
  max-height: calc(100dvh - 28px - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  overflow: hidden;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .35);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: center;
}

.badge {
  align-self: center;
  background: var(--chip-bg);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-dim);
}

h1 {
  font-size: 24px;
  line-height: 1.25;
  font-weight: 700;
}
h1 .accent { color: var(--accent); }

.subtitle {
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--text-dim);
}

.benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  text-align: left;
  font-size: 14px;
}
.benefits li {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--chip-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 10px 12px;
}
.benefits .ico {
  flex: none;
  width: 26px; height: 26px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(255, 183, 3, .18);
  font-size: 14px;
}

.stats {
  display: flex;
  justify-content: center;
  gap: 18px;
}
.stat { min-width: 78px; }
.stat b {
  display: block;
  font-size: 19px;
  color: var(--accent);
}
.stat span {
  font-size: 11.5px;
  color: var(--text-dim);
}

.cta {
  display: block;
  text-decoration: none;
  background: var(--accent);
  color: var(--accent-text);
  font-size: 16px;
  font-weight: 700;
  border-radius: 14px;
  padding: 15px 18px;
  box-shadow: 0 8px 24px rgba(255, 183, 3, .35);
  transition: transform .15s ease, box-shadow .15s ease;
}
.cta:active {
  transform: scale(.97);
  box-shadow: 0 4px 14px rgba(255, 183, 3, .25);
}

.note {
  font-size: 11.5px;
  color: var(--text-dim);
}

@media (min-width: 600px) {
  .card { max-width: 480px; padding: 34px 32px; gap: 16px; }
  h1 { font-size: 30px; }
  .subtitle { font-size: 16px; }
  .benefits { font-size: 15px; }
  .cta:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(255, 183, 3, .45); }
}