* {
  box-sizing: border-box;
}

:root {
  --blue: #087fd1;
  --dark: #10243e;
  --muted: #64748b;
  --line: #e7edf4;
  --bg: #f5f9fc;
  --white: #ffffff;
  --green: #21b866;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--dark);
  background:
    radial-gradient(circle at 50% -10%, rgba(8, 127, 209, .14), transparent 38%),
    var(--bg);
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hero {
  width: min(760px, calc(100% - 32px));
  margin: 32px auto 0;
  padding: 28px 24px 46px;
  text-align: center;
}

.brand {
  display: inline-block;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -1px;
}

.badge {
  display: block;
  width: fit-content;
  margin: 10px auto 22px;
  padding: 5px 10px;
  border-radius: 999px;
  background: #e7f4ff;
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
}

.app-icon {
  width: 108px;
  height: 108px;
  margin: 0 auto 24px;
  border-radius: 24px;
  background: #ffe21c;
  box-shadow: 0 16px 35px rgba(16, 36, 62, .13);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.play-shape {
  width: 0;
  height: 0;
  border-top: 22px solid transparent;
  border-bottom: 22px solid transparent;
  border-left: 31px solid #0870c9;
  transform: translateX(-15px);
}

.t-letter {
  position: absolute;
  right: 18px;
  top: 24px;
  color: #0870c9;
  font-size: 58px;
  line-height: 1;
  font-weight: 900;
}

.eyebrow {
  margin: 0 0 9px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2px;
}

h1 {
  margin: 0 auto;
  max-width: 650px;
  font-size: clamp(34px, 6vw, 54px);
  line-height: 1.04;
  letter-spacing: -2px;
}

.subtitle {
  max-width: 600px;
  margin: 18px auto 28px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.cta {
  min-height: 58px;
  width: min(470px, 100%);
  margin: 0 auto;
  padding: 0 22px;
  border-radius: 15px;
  background: var(--green);
  color: #fff;
  text-decoration: none;
  font-size: 16px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  box-shadow: 0 12px 26px rgba(33, 184, 102, .22);
  transition: transform .18s ease, box-shadow .18s ease;
}

.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(33, 184, 102, .28);
}

.arrow {
  font-size: 24px;
  line-height: 1;
}

.small-note {
  margin: 13px 0 0;
  color: #8190a2;
  font-size: 12px;
}

.features {
  width: min(940px, calc(100% - 32px));
  margin: 0 auto;
  padding: 0 0 36px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.feature {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: rgba(255, 255, 255, .86);
}

.feature-icon {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: #e7f4ff;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 13px;
}

.feature h2 {
  margin: 0 0 7px;
  font-size: 15px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

footer {
  margin-top: auto;
  padding: 20px 16px 25px;
  text-align: center;
  color: #8a96a5;
  font-size: 11px;
}

footer p {
  margin: 0 auto;
  max-width: 650px;
}

.redirect-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.redirect-box {
  text-align: center;
}

.redirect-box h1 {
  font-size: 18px;
  letter-spacing: 0;
  margin: 18px 0 0;
}

.spinner {
  width: 40px;
  height: 40px;
  margin: auto;
  border: 4px solid #dbe8f2;
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 700px) {
  .hero {
    margin-top: 12px;
    padding-top: 24px;
  }

  .features {
    grid-template-columns: 1fr;
  }

  h1 {
    letter-spacing: -1.3px;
  }
}