:root {
  color-scheme: light;
  --background: #f4f7fb;
  --surface: rgba(255, 255, 255, 0.82);
  --text: #111827;
  --muted: #667085;
  --accent: #0866ff;
  --accent-dark: #0052d9;
  --border: rgba(17, 24, 39, 0.08);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
}

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  grid-template-rows: 1fr auto;
  place-items: center;
  padding: 48px 24px 24px;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, rgba(8, 102, 255, 0.14), transparent 31rem),
    radial-gradient(circle at 88% 82%, rgba(130, 87, 229, 0.12), transparent 28rem),
    var(--background);
}

.support-card {
  width: min(100%, 760px);
  padding: clamp(34px, 7vw, 72px);
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 32px;
  box-shadow: 0 24px 80px rgba(43, 56, 82, 0.12);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.app-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(145deg, #2684ff, #7357e5);
  border-radius: 18px;
  box-shadow: 0 14px 30px rgba(45, 105, 235, 0.28);
}

.app-icon svg {
  width: 34px;
  fill: currentColor;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 8vw, 4.5rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.intro {
  max-width: 560px;
  margin: 24px auto 0;
  color: var(--muted);
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  line-height: 1.65;
}

.intro strong {
  color: var(--text);
  font-weight: 650;
}

.actions {
  margin-top: 38px;
}

.apps-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 14px 22px;
  color: #fff;
  background: var(--accent);
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 9px 22px rgba(8, 102, 255, 0.22);
  transition: transform 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.apps-link:hover {
  background: var(--accent-dark);
  box-shadow: 0 12px 28px rgba(8, 102, 255, 0.3);
  transform: translateY(-2px);
}

.apps-link:active {
  transform: translateY(0);
}

.contact {
  margin-top: 42px;
  padding-top: 34px;
  border-top: 1px solid var(--border);
}

.contact p {
  margin: 0 0 9px;
  color: var(--muted);
  font-size: 0.92rem;
}

.contact a {
  color: var(--text);
  font-size: clamp(1.45rem, 5vw, 2.65rem);
  font-weight: 760;
  letter-spacing: -0.035em;
  text-decoration-color: rgba(8, 102, 255, 0.4);
  text-decoration-thickness: 2px;
  text-underline-offset: 7px;
  overflow-wrap: anywhere;
  transition: color 160ms ease, text-decoration-color 160ms ease;
}

.contact a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

a:focus-visible {
  outline: 3px solid rgba(8, 102, 255, 0.32);
  outline-offset: 5px;
}

footer {
  padding-top: 28px;
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}

footer p {
  margin: 0;
}

@media (max-width: 520px) {
  body {
    padding: 20px 14px 18px;
  }

  .support-card {
    padding: 36px 20px;
    border-radius: 24px;
  }

  .app-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
  }

  .contact {
    margin-top: 34px;
    padding-top: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}