/* ZONA share interstitial — unified brand spec (2026-04-19, applied 2026-04-28) */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

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

html, body {
  height: 100%;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-feature-settings: 'cv11', 'ss01';
  font-size: 16px;
  font-weight: 400;
  color: #ffffff;
  background-color: #050505;
  /* Layer 1 — body wash */
  background-image:
    radial-gradient(ellipse 900px 600px at 10% -10%, rgba(10, 63, 214, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 700px 500px at 90% 110%, rgba(183, 58, 255, 0.10) 0%, transparent 60%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Layer 2 — hero halos with blur, sit behind everything */
body::before {
  content: '';
  position: fixed;
  inset: -10%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 600px 500px at 25% 20%, rgba(114, 41, 245, 0.28) 0%, transparent 55%),
    radial-gradient(ellipse 600px 500px at 80% 80%, rgba(10, 63, 214, 0.28) 0%, transparent 55%),
    radial-gradient(ellipse 400px 300px at 55% 50%, rgba(255, 59, 176, 0.14) 0%, transparent 55%);
  filter: blur(40px);
}

#container {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 32px 20px;
  gap: 32px;
}

/* Frosted glass card */
.logo-section,
.content-section {
  position: relative;
  z-index: 1;
}

.content-section {
  width: 100%;
  max-width: 420px;
  background: rgba(255, 255, 255, 0.04);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.05) inset,
    0 30px 60px -20px rgba(0, 0, 0, 0.7);
}

.logo-section {
  text-align: center;
}

.logo-section svg {
  width: 96px;
  height: auto;
  display: block;
  margin: 0 auto;
}

.content {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

h1 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #ffffff;
}

p {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.62);
}

/* Primary CTA — pill, 3-stop gradient, shine sweep on hover, no glow */
.open-app-button {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 280px;
  padding: 16px 26px;
  border: 0;
  border-radius: 100px;
  background-image: linear-gradient(135deg, #0A3FD6 0%, #7229F5 55%, #B73AFF 100%);
  background-size: 180% 180%;
  background-position: 0% 50%;
  color: #ffffff;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition:
    transform 180ms ease,
    background-position 400ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.open-app-button::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 400ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.open-app-button:hover {
  transform: translateY(-1px);
  background-position: 100% 50%;
}

.open-app-button:hover::after {
  transform: translateX(100%);
}

.open-app-button:active {
  transform: translateY(0);
}

.open-app-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* Mobile tightening */
@media (max-width: 480px) {
  .content-section {
    padding: 28px 22px;
    border-radius: 18px;
  }

  h1 {
    font-size: 20px;
  }
}