:root {
  --ink: #183b56;
  --muted: #58738a;
  --green: #23648d;
  --line: #d8e8f3;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: #f2f8fd;
  color: var(--ink);
  font:
    16px/1.6 system-ui,
    -apple-system,
    sans-serif;
}
main {
  max-width: 940px;
  margin: auto;
  padding: 32px 24px;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
header strong {
  font-size: 25px;
  letter-spacing: -1px;
}
.badge {
  font-size: 12px;
  background: #e0f0fc;
  border-radius: 30px;
  padding: 7px 12px;
}
.hero {
  padding: 62px 0 35px;
  max-width: 690px;
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 2px;
  font-weight: 700;
  color: var(--muted);
}
h1 {
  font-size: clamp(35px, 6vw, 57px);
  line-height: 1.12;
  letter-spacing: -2px;
  margin: 18px 0;
}
h2 {
  font-size: 21px;
  margin: 12px 0;
}
h3 {
  margin: 0;
}
p {
  margin: 12px 0 20px;
}
.hero > p:not(.eyebrow) {
  font-size: 18px;
  color: var(--muted);
}
.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 27px;
  margin: 20px 0;
  box-shadow: 0 5px 22px #255d8810;
}
.banks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.banks .panel {
  margin: 0 0 20px;
}
.logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  min-width: 48px;
  padding: 0 10px;
  border-radius: 14px;
  font-weight: 800;
  font-size: 20px;
}
.ing {
  background: #fff0e5;
  color: #eb6600;
}
.revolut {
  background: #eeedf8;
  color: #161528;
}
.muted {
  color: var(--muted);
  font-size: 14px;
}
button {
  border: 0;
  border-radius: 12px;
  padding: 13px 20px;
  font: 600 14px system-ui;
  cursor: pointer;
  background: var(--green);
  color: #fff;
}
button:disabled {
  opacity: 0.4;
  cursor: default;
}
.secondary {
  color: var(--green);
  background: #e5f2fc;
}
a {
  color: var(--green);
}
label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin: 20px 0;
}
input {
  display: block;
  width: 100%;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-top: 6px;
  font: 14px system-ui;
}
ol {
  padding-left: 22px;
}
li {
  padding: 6px 0;
}
.account {
  border-top: 1px solid var(--line);
  padding: 20px 0;
}
.balance {
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -0.5px;
}
.success,
.error {
  padding: 16px;
  border-radius: 12px;
  margin: 18px 0;
}
.success {
  background: #e1f1fc;
}
.error {
  background: #fff0df;
  color: #884523;
}
footer {
  padding: 30px 0;
  color: var(--muted);
  font-size: 12px;
}
footer a {
  margin-left: 8px;
}
@media (max-width: 550px) {
  main {
    padding: 22px 18px;
  }
  .hero {
    padding-top: 35px;
  }
  .banks {
    gap: 12px;
  }
  .panel {
    padding: 20px;
  }
  .banks button {
    padding: 12px;
    width: 100%;
  }
  .badge {
    font-size: 11px;
  }
}

button:hover:not(:disabled) {
  background: #174e73;
}
button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid #75b8e7;
  outline-offset: 3px;
}
body {
  background: linear-gradient(155deg, #e8f4ff 0%, #f6faff 48%, #edf7ff 100%);
  min-height: 100vh;
}
.hero {
  position: relative;
}
.panel {
  box-shadow: 0 8px 32px #3c7aa00a;
}
details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
}
textarea,
select {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 0.75rem;
  border: 1px solid #b9d6e8;
  border-radius: 0.6rem;
  background: white;
  color: #16394c;
  font: inherit;
}
pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
input[type="checkbox"] {
  width: auto;
  display: inline;
}
form {
  margin-bottom: 1rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1rem 0;
}
nav a {
  font-weight: 600;
}
section {
  scroll-margin-top: 1rem;
}
button {
  margin: 0.25rem 0.25rem 0.25rem 0;
}
details {
  margin: 0.75rem 0;
}
input[type="file"] {
  max-width: 100%;
}