* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f5f0eb;
  color: #333;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Top red bar */
.top-bar {
  background: #b71c1c;
  padding: 12px 40px;
}

.top-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-cards {
  display: flex;
  gap: 20px;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
}

.top-cards sup {
  font-size: 8px;
}

.top-nav {
  display: flex;
  gap: 32px;
}

.top-link {
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.top-link:hover {
  text-decoration: underline;
}

.top-link.active {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.top-link .arrow {
  font-size: 10px;
  margin-left: 2px;
}

/* Sub header - cream bar */
.sub-header {
  background: #f5f0eb;
  padding: 16px 40px;
  border-bottom: 1px solid #e0d8d0;
}

.sub-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 32px;
  font-weight: 700;
  color: #d32f2f;
  letter-spacing: -0.5px;
  text-decoration: none;
}

.logo-dot {
  font-size: 28px;
  position: relative;
  top: -2px;
}

.sub-nav {
  display: flex;
  gap: 28px;
}

.sub-nav a {
  color: #333;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
}

.sub-nav a:hover {
  color: #b71c1c;
}

/* Main layout */
main {
  flex: 1;
}

.main-inner {
  display: flex;
  min-height: 520px;
}

.form-side {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 48px 40px;
  background: #f5f0eb;
}

.card-form-container {
  background: #fff;
  border: none;
  border-radius: 16px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
  padding: 0;
  width: 100%;
  max-width: 480px;
  overflow: hidden;
}

.card-form-container::before {
  content: '';
  display: block;
  height: 5px;
  background: linear-gradient(90deg, #b71c1c, #e53935);
}

.card-form-body {
  padding: 32px 40px 36px;
}

h1 {
  color: #b71c1c;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.subtitle {
  color: #888;
  font-size: 14px;
  margin-bottom: 32px;
  line-height: 1.5;
}

.form-group {
  margin-bottom: 24px;
}

label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: #b71c1c;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

input {
  width: 100%;
  padding: 10px 0;
  border: none;
  border-bottom: 2px solid #e0d8d0;
  border-radius: 0;
  font-size: 15px;
  transition: border-color 0.2s;
  outline: none;
  background: transparent;
  color: #333;
}

input::placeholder {
  color: #bbb;
}

input:focus {
  border-bottom-color: #b71c1c;
}

.expiry-row {
  display: flex;
  gap: 24px;
  align-items: flex-end;
}

.expiry-row > input {
  width: 70px;
  flex: none;
}

.cvv-field {
  flex: none;
  width: 90px;
}

.cvv-label {
  margin-bottom: 6px;
}

.cvv-help {
  color: #b71c1c;
  font-size: 13px;
  cursor: help;
}

.show-card-info {
  font-size: 13px;
  color: #aaa;
  margin-bottom: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}

.eye-icon {
  font-size: 16px;
  opacity: 0.5;
}

.show-card-info:hover {
  color: #b71c1c;
}

button {
  width: 100%;
  padding: 15px;
  background: #3d3d3d;
  color: #fff;
  border: none;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  letter-spacing: 1px;
  text-transform: uppercase;
}

button:hover {
  background: #2a2a2a;
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0);
}

button:disabled {
  background: #bbb;
  cursor: not-allowed;
  transform: none;
}

/* Result & error */
.result {
  margin-top: 24px;
  margin-bottom: 36px;
  padding: 24px;
  background: linear-gradient(135deg, #b71c1c, #e53935);
  border-radius: 10px;
  text-align: center;
  color: #fff;
}

.result-header {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.85;
  margin-bottom: 8px;
}

.balance-amount {
  font-size: 36px;
  font-weight: 700;
}

.error {
  margin-top: 16px;
  padding: 12px 16px;
  background: #fdecea;
  color: #b71c1c;
  border-radius: 4px;
  font-size: 14px;
  text-align: center;
}

.hidden {
  display: none;
}

/* Hero right side */
.hero-side {
  flex: 1;
  max-width: 50%;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  width: 100%;
  height: 100%;
  background: #b71c1c;
  position: relative;
  overflow: hidden;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.hero-card {
  width: 180px;
  height: 115px;
  background: linear-gradient(180deg, #1a237e 0%, #1565c0 40%, #0d47a1 100%);
  border-radius: 10px;
  position: absolute;
  bottom: 32px;
  right: 32px;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 12px 14px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 35px;
  background: linear-gradient(180deg, transparent, rgba(100, 181, 246, 0.5));
  border-radius: 0 0 10px 10px;
}

.hero-card-top {
  display: flex;
  justify-content: flex-end;
}

.hero-card-debit {
  color: #fff;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 1px;
}

.hero-card-text {
  color: #fff;
  font-size: 24px;
  font-style: italic;
  font-family: 'Georgia', serif;
  text-align: center;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  margin: -4px 0;
}

.hero-card-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  position: relative;
  z-index: 1;
}

.hero-card-gift {
  color: #fff;
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.8px;
  opacity: 0.9;
}

.hero-card-visa {
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  font-style: italic;
  letter-spacing: 1px;
}

/* Form extras */
.form-extras {
  width: 100%;
  max-width: 480px;
  margin-top: 28px;
}

.accepted-cards {
  margin-bottom: 24px;
}

.accepted-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #888;
  display: block;
  margin-bottom: 8px;
}

.card-badges {
  display: flex;
  gap: 12px;
  align-items: center;
}

.badge {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 6px 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.badge.visa {
  background: #1a1f71;
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  font-style: italic;
  letter-spacing: 2px;
  padding: 8px 16px;
}

.badge.mastercard svg {
  width: 44px;
  height: 28px;
}

.quick-tips {
  background: #faf7f4;
  border: 1px solid #e0d8d0;
  border-radius: 4px;
  padding: 16px 20px;
  margin-bottom: 20px;
}

.quick-tips h3 {
  font-size: 14px;
  color: #333;
  margin-bottom: 8px;
  font-weight: 600;
}

.quick-tips ul {
  list-style: none;
  padding: 0;
}

.quick-tips li {
  font-size: 13px;
  color: #666;
  padding: 3px 0;
  padding-left: 16px;
  position: relative;
}

.quick-tips li::before {
  content: '';
  width: 5px;
  height: 5px;
  background: #b71c1c;
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 10px;
}

.need-help {
  text-align: center;
}

.need-help p {
  font-size: 13px;
  color: #888;
}

.need-help a {
  color: #b71c1c;
  text-decoration: none;
  font-weight: 600;
}

.need-help a:hover {
  text-decoration: underline;
}

/* Info section */
.info-section {
  background: #fff;
  padding: 48px 40px;
  border-top: 1px solid #e0d8d0;
}

.info-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 40px;
}

.info-block {
  flex: 1;
}

.info-block h2 {
  font-size: 18px;
  color: #b71c1c;
  margin-bottom: 10px;
  font-weight: 700;
}

.info-block p {
  font-size: 14px;
  color: #555;
  line-height: 1.6;
}

/* Footer */
footer {
  text-align: center;
  padding: 20px;
  color: #999;
  font-size: 13px;
  background: #f5f0eb;
}

footer a {
  color: #888;
  text-decoration: none;
}

footer a:hover {
  color: #b71c1c;
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .main-inner {
    flex-direction: column;
  }

  .hero-side {
    max-width: 100%;
    min-height: 250px;
  }

  .form-side {
    padding: 32px 16px;
  }

  .card-form-container {
    padding: 24px;
  }

  .top-bar,
  .sub-header {
    padding-left: 16px;
    padding-right: 16px;
  }

  .expiry-row {
    flex-wrap: wrap;
  }

  .info-inner {
    flex-direction: column;
    gap: 28px;
  }

  .info-section {
    padding: 32px 16px;
  }
}