* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: #eaf3ff;
  font-family: Arial, Helvetica, sans-serif;
  color: #071b3a;
}

body {
  width: 100%;
  overflow-x: hidden;
}

.page {
  width: 100%;
  max-width: 430px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 18px 14px 28px;
  background:
    radial-gradient(circle at top right, rgba(37, 129, 255, .22), transparent 34%),
    linear-gradient(180deg, #f8fbff 0%, #eaf3ff 48%, #f9fcff 100%);
}

.hero-card,
.info-card,
.feature-card {
  width: 100%;
  border-radius: 26px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 14px 34px rgba(18, 86, 180, .12);
  border: 1px solid rgba(38, 112, 255, .08);
}

.hero-card {
  padding: 22px 18px 26px;
  text-align: center;
  overflow: hidden;
}

.logo-wrap {
  width: 100%;
  margin-bottom: 12px;
}

.hero-img {
  width: 100%;
  max-width: 320px;
  display: block;
  margin: 0 auto;
}

h1 {
  margin: 8px 0 6px;
  font-size: clamp(36px, 13vw, 58px);
  line-height: .92;
  letter-spacing: -2px;
  color: #1867ff;
  font-weight: 900;
  white-space: nowrap;
}

.hero-card h2 {
  margin: 12px auto 0;
  max-width: 340px;
  font-size: 22px;
  line-height: 1.22;
  color: #2d73ff;
  font-weight: 700;
}

.hero-card p,
.info-card p,
.feature-card p {
  margin: 14px auto 0;
  font-size: 15px;
  line-height: 1.55;
  color: #283954;
}

.main-btn,
.second-btn {
  display: block;
  width: 100%;
  max-width: 310px;
  margin: 24px auto 0;
  padding: 17px 18px;
  border-radius: 16px;
  text-decoration: none;
  text-align: center;
  background: linear-gradient(135deg, #1c6fff, #0aa4ff);
  color: white;
  font-size: 17px;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(21, 101, 255, .28);
}

.features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 18px;
}

.feature-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
}

.icon {
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: #e7f1ff;
  color: #1265ff;
  font-weight: 900;
  font-size: 20px;
}

.feature-card h3 {
  margin: 2px 0 0;
  font-size: 19px;
  line-height: 1.2;
  color: #071b3a;
}

.feature-card p {
  margin-top: 7px;
}

.info-card {
  margin-top: 18px;
  padding: 24px 18px 26px;
  text-align: center;
}

.info-card h2 {
  margin: 0;
  font-size: 26px;
  color: #1265ff;
}

footer {
  padding: 24px 8px 8px;
  text-align: center;
  color: #53647e;
  font-size: 13px;
}

footer b,
footer span {
  display: block;
  margin-bottom: 7px;
}

.links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.links a {
  color: #2b74ff;
  text-decoration: none;
}

/* Mobile fixed look for desktop preview */
@media (min-width: 431px) {
  body {
    background: #dfe8f3;
  }

  .page {
    min-height: 100vh;
    box-shadow: 0 0 0 1px rgba(0,0,0,.04), 0 20px 60px rgba(0,0,0,.08);
  }
}