:root {
  --bg-start: #5b79f4;
  --bg-end: #5c7ffe;
  --text-light: #ffffff;
  --card-bg: #ffffff;
  --primary-grad-start: #6a84ff;
  --primary-grad-end: #673ab7;
  --body-copy: #4e4e5f;
  --muted: #65657a;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: linear-gradient(180deg, var(--bg-start), var(--bg-end));
  color: var(--text-light);
}

body {
  min-height: 100vh;
}

.page {
  width: min(100%, 980px);
  margin: 0 auto;
  padding: 56px 20px 72px;
}

.hero {
  text-align: center;
  margin-bottom: 46px;
}

.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1.1;
  font-weight: 900;
}

.hero p {
  margin: 0 auto;
  max-width: 720px;
  font-size: clamp(1rem, 2.1vw, 2rem);
  font-weight: 700;
}

.checkout-card {
  width: min(100%, 700px);
  margin: 0 auto 42px;
  background: var(--card-bg);
  border-radius: 18px;
  padding: 28px 24px 22px;
  box-shadow: 0 10px 34px rgba(25, 36, 109, 0.25);
}

.checkout-button {
  width: 100%;
  border: 0;
  border-radius: 999px;
  padding: 9px 16px;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.2px;
  cursor: pointer;
  background: linear-gradient(90deg, var(--primary-grad-start), var(--primary-grad-end));
  transition: transform 0.1s ease, filter 0.2s ease;
}

.checkout-button:hover {
  filter: brightness(1.05);
}

.checkout-button:active {
  transform: translateY(1px);
}

.checkout-button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.checkout-note {
  color: var(--body-copy);
  text-align: center;
  font-size: 1.3rem;
  margin: 18px auto 0;
  max-width: 640px;
  line-height: 1.35;
}

.checkout-status {
  margin: 12px 0 0;
  min-height: 20px;
  text-align: center;
  color: #ae2456;
  font-weight: 700;
}

.marketing {
  width: min(100%, 900px);
  margin: 0 auto 20px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  padding: 24px;
  backdrop-filter: blur(4px);
}

.marketing h2 {
  margin: 0 0 16px;
  font-size: 1.8rem;
  text-align: center;
}

.marketing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
}

.marketing article {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 14px;
}

.marketing h3 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.marketing p {
  margin: 0;
  line-height: 1.45;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  margin: 0 auto 26px;
  width: min(100%, 900px);
}

.trust-strip p {
  margin: 0;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 12px 14px;
  text-align: center;
}

.legal {
  width: min(100%, 900px);
  margin: 0 auto 18px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--muted);
  border-radius: 12px;
  padding: 18px 20px;
}

.legal h2 {
  color: #2f2f47;
  margin: 0 0 8px;
  font-size: 1.35rem;
}

.legal p {
  margin: 0 0 10px;
  line-height: 1.45;
}

.legal p:last-child {
  margin-bottom: 0;
}

.footer {
  text-align: center;
  color: #e7ebff;
  margin: 0 0 28px;
}

.footer a {
  color: inherit;
  text-decoration: none;
  font-weight: 700;
}

.footer a:hover {
  text-decoration: underline;
}

@media (max-width: 900px) {
  html {
    font-size: 14px;
  }
}

@media (max-width: 600px) {
  .page {
    padding-top: 36px;
  }

  .checkout-card {
    padding: 18px 14px 16px;
  }
}