:root {
  color: #141716;
  background: #f4f5f1;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #f4f5f1;
  overflow-x: hidden;
}

a {
  color: inherit;
}

.page {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(20px, 5vw, 56px);
}

.payment-panel {
  box-sizing: border-box;
  width: min(560px, calc(100vw - 40px));
  max-width: 560px;
  min-width: 0;
  padding: clamp(28px, 6vw, 52px);
  border: 1px solid #d5d9cf;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 60px rgba(20, 23, 22, 0.09);
}

.mark {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  margin-bottom: 28px;
  border-radius: 8px;
  background: #eef3ff;
  color: #214a9a;
}

.mark svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.eyebrow {
  margin: 0 0 12px;
  color: #59625d;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 14px;
  font-size: clamp(2.7rem, 12vw, 5rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.lead {
  max-width: 30rem;
  margin-bottom: 30px;
  color: #2f3935;
  font-size: clamp(1.08rem, 2.4vw, 1.28rem);
  line-height: 1.55;
}

.button {
  display: inline-flex;
  width: 100%;
  min-width: 0;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 0;
  border-radius: 8px;
  background: #141716;
  color: #ffffff;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: background 160ms ease, transform 160ms ease;
}

.button:hover {
  background: #2a302d;
  transform: translateY(-1px);
}

.button:focus-visible {
  outline: 3px solid #7ca6ff;
  outline-offset: 3px;
}

.details {
  display: grid;
  gap: 12px;
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid #e3e6df;
}

.details p,
.fine-print {
  margin-bottom: 0;
  color: #44504b;
  font-size: 0.98rem;
  line-height: 1.55;
}

.fine-print {
  margin-top: 24px;
  color: #68736e;
  font-size: 0.88rem;
}

@media (max-width: 420px) {
  .payment-panel {
    padding: 24px;
  }

  .button {
    min-height: 58px;
  }
}

@media (max-width: 700px) {
  .page {
    justify-content: flex-start;
    padding: 20px;
  }

  .payment-panel {
    width: min(350px, calc(100vw - 40px));
  }
}