* {
  box-sizing: border-box;
}

:root {
  --bg: #070b19;
  --panel: rgba(255,255,255,0.06);
  --panel-border: rgba(255,255,255,0.10);
  --text: #ffffff;
  --muted: rgba(255,255,255,0.75);
  --accent: #1fe56d;
  --accent-dark: #0e9e44;
  --gold: #ffc83d;
}

html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(circle at top, rgba(115, 74, 255, 0.20), transparent 28%),
    radial-gradient(circle at bottom, rgba(255, 162, 0, 0.10), transparent 24%),
    var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

body {
  padding-bottom: 90px;
}

.page {
  width: 100%;
}

.topbar {
  max-width: 430px;
  margin: 0 auto;
  padding: 14px 14px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  height: 42px;
  width: auto;
  display: block;
}

.brand-sub {
  font-size: 12px;
  color: var(--muted);
}

.top-cta {
  text-decoration: none;
  color: #04120a;
  background: linear-gradient(180deg, var(--accent), var(--accent-dark));
  padding: 10px 14px;
  border-radius: 14px;
  font-weight: 800;
  font-size: 14px;
}

main {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 14px 20px;
}

.hero-image {
  width: 100%;
  display: block;
  border-radius: 28px;
  box-shadow: 0 22px 50px rgba(0,0,0,0.38);
}

.hero {
  margin-bottom: 16px;
}

.content-card,
.mini-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 22px;
  padding: 18px;
  backdrop-filter: blur(8px);
  box-shadow: 0 12px 26px rgba(0,0,0,0.22);
}

.content-card {
  margin-bottom: 14px;
}

.tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255, 200, 61, 0.12);
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.3px;
}

h1, h2, h3 {
  margin: 0 0 10px;
  line-height: 1.15;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

p, li {
  color: var(--muted);
  line-height: 1.55;
  font-size: 15px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

.cta-group {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.btn {
  display: inline-block;
  text-align: center;
  text-decoration: none;
  padding: 15px 16px;
  border-radius: 16px;
  font-weight: 900;
  letter-spacing: 0.3px;
}

.btn-primary {
  color: #04120a;
  background: linear-gradient(180deg, var(--accent), var(--accent-dark));
  box-shadow: 0 12px 24px rgba(31, 229, 109, 0.20);
}

.btn-secondary {
  color: var(--text);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
}

.steps {
  margin: 0;
  padding-left: 20px;
}

.sticky-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 14px 16px;
  background: linear-gradient(180deg, rgba(7,11,25,0), rgba(7,11,25,0.96) 28%);
}

.sticky-btn {
  display: block;
  max-width: 430px;
  margin: 0 auto;
}

.footer {
  max-width: 430px;
  margin: 0 auto;
  text-align: center;
  padding: 8px 14px 22px;
}

.footer p {
  font-size: 12px;
  color: rgba(255,255,255,0.45);
}

@media (min-width: 700px) {
  .topbar, main, .sticky-btn, .footer {
    max-width: 520px;
  }

  h1 {
    font-size: 34px;
  }
}