:root {
  --dark: #3c4a4a;
  --beige: #c6a98f;
  --text: #333;
  --muted: #888;
  --line: #d9d9d9;
  --bg: #fff;
  --error: #c0392b;
}

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

body {
  font-family: "Open Sans", Arial, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  border-top: 6px solid #e8f3f5;
}

/* Logo */
.header { text-align: center; padding: 30px 20px 10px; }

.logo {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  text-decoration: none;
  color: #111;
}

.logo-text {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 56px;
  font-weight: 500;
  letter-spacing: 2px;
}

.logo-heart {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--beige);
  display: grid;
  place-items: center;
}

.logo-heart svg {
  width: 26px;
  fill: none;
  stroke: #fff;
  stroke-width: 1.4;
}

/* Steps */
.steps {
  display: flex;
  justify-content: center;
  max-width: 420px;
  margin: 40px auto 30px;
  position: relative;
}

.step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 14px;
  left: 50%;
  width: 100%;
  height: 1px;
  background: var(--dark);
  z-index: 0;
}

.circle {
  width: 29px;
  height: 29px;
  border-radius: 50%;
  border: 1px solid var(--dark);
  background: #fff;
  color: var(--dark);
  display: grid;
  place-items: center;
  font-size: 14px;
  position: relative;
  z-index: 1;
  transition: background .2s, color .2s;
}

.label {
  margin-top: 8px;
  font-size: 10px;
  color: var(--dark);
  white-space: nowrap;
}

.step.active .circle,
.step.completed .circle {
  background: var(--dark);
  color: #fff;
}

/* Layout */
.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

.panel { display: none; animation: fade .25s ease; }
.panel.active { display: block; }

@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

h1 {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-weight: 600;
  font-size: 30px;
  color: var(--dark);
  text-align: center;
  margin-bottom: 8px;
}

.lead { text-align: center; color: var(--muted); margin-bottom: 28px; }

/* Form */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 20px;
}

.grid-zip { grid-template-columns: 1fr 2fr; }

h2 {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-weight: 600;
  font-size: 22px;
  color: var(--dark);
  margin: 14px 0 16px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.field { margin-bottom: 18px; }
.field.hidden { display: none; }

.field > label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 6px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 3px;
  font: inherit;
  color: var(--text);
  background: #fff;
  transition: border-color .2s;
}

textarea { resize: vertical; }

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--beige);
}

.invalid { border-color: var(--error) !important; }

.error-msg {
  color: var(--error);
  font-size: 11px;
  margin-top: 4px;
}

.options { display: flex; flex-direction: column; gap: 8px; }

.option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 3px;
  cursor: pointer;
}

.option:has(input:checked) { border-color: var(--dark); }

.option input { accent-color: var(--dark); }

.consent { border: none; padding: 0; margin: 20px 0; }
.consent a { color: var(--beige); }

/* Buttons */
.actions {
  display: flex;
  justify-content: space-between;
  margin-top: 28px;
}

.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 3px;
  font: 600 13px "Open Sans", sans-serif;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  cursor: pointer;
  transition: opacity .2s, background .2s;
}

.btn-primary { background: var(--dark); color: #fff; border: 1px solid var(--dark); }
.btn-primary:hover { opacity: .85; }

.btn-outline { background: #fff; color: var(--dark); border: 1px solid var(--dark); }
.btn-outline:hover { background: #f4f4f4; }

/* Summary */
.summary {
  border: 1px solid var(--line);
  border-radius: 3px;
}

.summary div {
  display: grid;
  grid-template-columns: 180px 1fr;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}

.summary div:last-child { border-bottom: none; }
.summary dt { color: var(--muted); }
.summary dd { white-space: pre-line; word-break: break-word; }

/* Done */
.done { text-align: center; padding-top: 10px; }
.done p { margin-bottom: 14px; line-height: 1.6; }
.done .muted { color: var(--muted); font-size: 13px; margin-bottom: 28px; }

.done-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--beige);
  color: #fff;
  font-size: 30px;
  display: grid;
  place-items: center;
}

/* Payment */
.grid-card { grid-template-columns: 1fr 1fr; }

.card-preview {
  background: linear-gradient(135deg, #3c4a4a 0%, #55686a 100%);
  color: #fff;
  border-radius: 12px;
  padding: 22px;
  margin: 0 auto 28px;
  max-width: 360px;
  box-shadow: 0 10px 24px rgba(60, 74, 74, .25);
}

.card-brand {
  text-align: right;
  font-weight: 600;
  letter-spacing: 2px;
  opacity: .85;
  margin-bottom: 26px;
}

.card-number {
  font-size: 21px;
  letter-spacing: 3px;
  margin-bottom: 22px;
  word-spacing: 4px;
}

.card-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  text-transform: uppercase;
}

.card-caption {
  display: block;
  font-size: 9px;
  letter-spacing: 1px;
  opacity: .7;
  margin-bottom: 3px;
}

.secure-note {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
}

/* Loading */
.loading {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .97);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}

.loading[hidden] { display: none; }

.spinner {
  width: 56px;
  height: 56px;
  border: 3px solid #eee;
  border-top-color: var(--beige);
  border-right-color: var(--dark);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 24px;
}

.loading-title {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 24px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 6px;
}

.loading-text { color: var(--muted); margin-bottom: 22px; }

.progress {
  width: 240px;
  height: 3px;
  background: #eee;
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0;
  background: var(--dark);
}

.loading.run .progress-bar { animation: fill 5s linear forwards; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fill { to { width: 100%; } }

/* Mobile */
@media (max-width: 560px) {
  .logo-text { font-size: 40px; }
  .grid { grid-template-columns: 1fr; }
  .label { font-size: 9px; white-space: normal; text-align: center; }
  .summary div { grid-template-columns: 1fr; gap: 2px; }
  .actions .btn { padding: 12px 20px; }
}