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

:root {
  --blue-dark:  #0D47A1;
  --blue:       #1565C0;
  --blue-light: #1E88E5;
  --orange:     #E65100;
  --orange-light: #FF6F00;
  --green:      #2E7D32;
  --green-light: #43A047;
  --bg:         #EEF2F7;
  --surface:    #FFFFFF;
  --border:     #D1DBE8;
  --text:       #1A2332;
  --text-muted: #6B7A8D;
  --radius:     16px;
  --shadow:     0 8px 40px rgba(13,71,161,0.10);
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ── HEADER ── */
.header {
  background: linear-gradient(135deg, #0A3880 0%, var(--blue) 55%, #1976D2 100%);
  padding: 18px 28px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}
.header-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.logo { height: 108px; width: auto; filter: drop-shadow(0 2px 10px rgba(0,0,0,0.4)); }
.logo-text {
  font-size: 1.9rem; font-weight: 800; color: #fff;
  letter-spacing: 3px; text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.header-badge {
  margin-left: auto;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  backdrop-filter: blur(4px);
}

/* ── HERO ── */
.hero {
  background: linear-gradient(150deg, #0D47A1 0%, #1565C0 40%, #E65100 100%);
  color: #fff;
  text-align: center;
  padding: 56px 24px 48px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero h1 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 14px;
  position: relative;
  text-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
.hero h1 span { color: #FFD54F; }
.hero p {
  font-size: 1.05rem;
  opacity: 0.88;
  margin-bottom: 40px;
  position: relative;
}

/* ── STEPS ── */
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}
.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex: 1;
}
.step-num {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.2);
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1rem; color: #fff;
  backdrop-filter: blur(4px);
  transition: all 0.3s;
}
.step-label {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.85);
  text-align: center;
  line-height: 1.3;
  font-weight: 500;
}
.step-line {
  flex: 1;
  height: 2px;
  background: rgba(255,255,255,0.25);
  margin-bottom: 26px;
  max-width: 48px;
}

/* ── CONTAINER ── */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 36px 16px 80px;
}

/* ── FORM CARD ── */
.form-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 44px 40px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

/* ── SECTION ── */
.section { border: none; padding: 0; }
.section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding-bottom: 16px;
  margin-bottom: 22px;
  border-bottom: 2px solid #E3EBF8;
}
.section-num {
  width: 26px; height: 26px;
  background: var(--blue);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem;
  font-weight: 800;
  flex-shrink: 0;
}
.section-num.orange { background: var(--orange); }
.req { color: var(--orange); }

/* ── FORM GRID ── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 18px;
}
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-size: 0.85rem; font-weight: 600; color: var(--text); }
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="number"],
.field textarea {
  padding: 11px 15px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: #F8FAFC;
  transition: all 0.2s;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue-light);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(30,136,229,0.10);
}
.field textarea { resize: vertical; }
.field-hint { font-size: 0.78rem; color: var(--text-muted); margin-top: 6px; }

/* ── OPTION CARDS ── */
.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 12px;
}
.option-grid.three-col { grid-template-columns: repeat(3, 1fr); }
.option-card {
  cursor: pointer;
  border-radius: 12px;
  border: 2px solid var(--border);
  background: #F8FAFC;
  transition: all 0.2s;
  overflow: hidden;
}
.option-card input[type="radio"] { display: none; }
.option-body {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 20px 12px;
  gap: 6px;
}
.option-icon { font-size: 1.9rem; }
.option-label { font-size: 0.88rem; font-weight: 700; color: var(--text); }
.option-desc { font-size: 0.76rem; color: var(--text-muted); }
.option-card:hover {
  border-color: var(--blue-light);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(21,101,192,0.12);
}
.option-card.selected, .option-card:has(input:checked) {
  border-color: var(--blue);
  background: #EBF3FD;
  box-shadow: 0 0 0 4px rgba(21,101,192,0.12);
}
.option-card.selected .option-label,
.option-card:has(input:checked) .option-label { color: var(--blue); }

/* ── RADIO PILLS ── */
.radio-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.radio-pill { cursor: pointer; }
.radio-pill input[type="radio"] { display: none; }
.radio-pill span {
  display: block;
  padding: 9px 18px;
  border-radius: 50px;
  border: 1.5px solid var(--border);
  font-size: 0.85rem;
  font-weight: 600;
  background: #F8FAFC;
  transition: all 0.2s;
  color: var(--text);
}
.radio-pill:has(input:checked) span {
  background: var(--blue); color: #fff; border-color: var(--blue);
}
.radio-pill:hover span { border-color: var(--blue-light); }

/* ── UPLOAD ── */
.upload-area {
  border: 2px dashed var(--border);
  border-radius: 12px;
  background: #F8FAFC;
  transition: all 0.25s;
  cursor: pointer;
}
.upload-area:hover { border-color: var(--blue-light); background: #EBF3FD; }
.upload-area.has-file { border-color: var(--green-light); background: #F0FBF0; border-style: solid; }
.file-input { display: none; }
.upload-label {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 32px 24px;
  gap: 8px;
  cursor: pointer;
}
.upload-icon { font-size: 2.4rem; }
.upload-text { font-size: 0.92rem; color: var(--text-muted); text-align: center; }
.upload-text u { color: var(--blue); text-decoration-color: var(--blue); }
.upload-subtext { font-size: 0.78rem; color: var(--text-muted); }
.file-name { font-size: 0.85rem; font-weight: 700; color: var(--blue); margin-top: 2px; }
.upload-area.has-file .file-name { color: var(--green); }

/* ── PAYMENT BLOCK ── */
.payment-block {
  background: linear-gradient(135deg, #FFF8F0 0%, #FFF3E0 100%);
  border: 2px solid #FFB74D;
  border-radius: 16px;
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.payment-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.payment-icon { font-size: 2rem; flex-shrink: 0; margin-top: 2px; }
.payment-header h3 { font-size: 1.1rem; font-weight: 800; color: #BF360C; margin-bottom: 4px; }
.payment-header p { font-size: 0.88rem; color: #6D4C41; }
.payment-header strong { color: #BF360C; }

.alias-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 2px solid #FFB74D;
  border-radius: 12px;
  padding: 14px 20px;
  flex-wrap: wrap;
}
.alias-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.alias-value {
  font-size: 1.3rem;
  font-weight: 800;
  color: #0D47A1;
  font-family: 'Courier New', monospace;
  letter-spacing: 1px;
  flex: 1;
  text-align: center;
}
.copy-btn {
  background: var(--blue);
  color: #fff;
  border: none;
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.copy-btn:hover { background: var(--blue-dark); }
.copy-btn.copied { background: var(--green); }

.payment-steps { display: flex; flex-direction: column; gap: 10px; }
.pay-step {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: #5D4037;
}
.pay-num {
  width: 24px; height: 24px;
  background: var(--orange);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  flex-shrink: 0;
}

/* ── COMPROBANTE SECTION ── */
.comprobante-section {
  border: 2px solid #FFB74D !important;
  border-radius: 16px;
  padding: 28px 28px !important;
  background: #FFFDF7;
  transition: all 0.3s;
}
.comprobante-section.done {
  border-color: var(--green-light) !important;
  background: #F5FBF5;
}
.comprobante-title {
  border-bottom-color: #FFE0B2 !important;
  color: var(--orange) !important;
}
.comprobante-section.done .comprobante-title {
  color: var(--green) !important;
  border-bottom-color: #C8E6C9 !important;
}
.required-badge {
  margin-left: auto;
  background: var(--orange);
  color: #fff;
  padding: 3px 12px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
}
.comprobante-section.done .required-badge {
  background: var(--green);
}
.comprobante-upload { margin-bottom: 16px; }

/* ── WARNING / OK BOX ── */
.warning-box, .ok-box {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  border-radius: 12px;
  padding: 16px 20px;
  margin-top: 4px;
}
.warning-box {
  background: #FFF3E0;
  border: 1.5px solid #FFCC80;
}
.warning-box span { font-size: 1.5rem; flex-shrink: 0; }
.warning-box strong { display: block; color: #BF360C; font-size: 0.92rem; margin-bottom: 3px; }
.warning-box p { font-size: 0.83rem; color: #6D4C41; }
.ok-box {
  background: #F1F8E9;
  border: 1.5px solid #AED581;
}
.ok-box span { font-size: 1.5rem; flex-shrink: 0; }
.ok-box strong { display: block; color: var(--green); font-size: 0.92rem; margin-bottom: 3px; }
.ok-box p { font-size: 0.83rem; color: #33691E; }

/* ── SUBMIT ── */
.submit-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding-top: 4px;
}
.submit-blocker {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #FFF3E0;
  border: 1.5px dashed #FFB74D;
  border-radius: 12px;
  padding: 14px 24px;
  width: 100%;
  justify-content: center;
  color: #BF360C;
  font-size: 0.88rem;
  font-weight: 600;
}
.submit-blocker span { font-size: 1.2rem; }
.btn-submit {
  background: #CBD5E1;
  color: #94A3B8;
  border: none;
  padding: 17px 56px;
  border-radius: 50px;
  font-size: 1.05rem;
  font-weight: 800;
  cursor: not-allowed;
  font-family: inherit;
  letter-spacing: 0.02em;
  transition: all 0.3s;
  box-shadow: none;
}
.btn-submit.enabled {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-light) 100%);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 6px 24px rgba(230,81,0,0.35);
}
.btn-submit.enabled:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(230,81,0,0.45);
}
.btn-submit.enabled:active { transform: translateY(0); }

/* ── CHECK PILL (doble faz) ── */
.check-pill-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}
.check-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 50px;
  padding: 10px 20px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  transition: border-color 0.2s, background 0.2s, color 0.2s;
  user-select: none;
}
.check-pill input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--blue);
  cursor: pointer;
}
.check-pill:has(input:checked) {
  border-color: var(--blue);
  background: rgba(21,101,192,0.08);
  color: var(--blue);
}

/* ── PRECIO BLOCK ── */
.precio-block {
  background: linear-gradient(135deg, #E8F4FD 0%, #F0F7FF 100%);
  border: 2px solid var(--blue-light);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-top: 4px;
}
.precio-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.precio-header span { font-size: 1.4rem; }
.precio-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin: 0;
}
.precio-detalle {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}
.precio-fila {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.92rem;
  color: var(--text-muted);
  padding: 4px 0;
  border-bottom: 1px dashed var(--border);
}
.precio-fila:last-child { border-bottom: none; }
.precio-fila span:last-child { font-weight: 600; color: var(--text); }
.precio-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--blue);
  color: #fff;
  border-radius: 12px;
  padding: 14px 20px;
  margin-top: 4px;
}
.precio-total span { font-size: 0.95rem; font-weight: 600; }
.precio-total strong { font-size: 1.5rem; font-weight: 800; }
.precio-nota {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 10px;
  text-align: center;
  font-style: italic;
}

/* ── FOOTER ── */
.footer {
  background: var(--blue-dark);
  color: rgba(255,255,255,0.6);
  text-align: center;
  padding: 36px 28px 22px;
  font-size: 0.83rem;
}
.footer strong { color: #fff; }
.footer-info {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: left;
}
.footer-col strong {
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
  display: block;
}
.footer-col span { font-size: 0.82rem; }
.footer-col a { color: rgba(255,255,255,0.6); text-decoration: none; }
.footer-col a:hover { color: #fff; }
.footer-copy { font-size: 0.78rem; }

/* ── PRECIO HINT PAPEL ── */
.papel-precio-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  background: rgba(21,101,192,0.08);
  border: 1px solid rgba(21,101,192,0.2);
  border-radius: 8px;
  padding: 8px 14px;
}
.papel-precio-label {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.papel-precio-valor {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--blue);
}

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .form-card { padding: 28px 18px; gap: 32px; }
  .option-grid.three-col { grid-template-columns: 1fr 1fr; }
  .header-badge { display: none; }
  .steps { gap: 4px; }
  .step-line { max-width: 24px; }
  .step-num { width: 32px; height: 32px; font-size: 0.85rem; }
  .step-label { font-size: 0.65rem; }
  .payment-block { padding: 20px 18px; }
  .alias-value { font-size: 1.05rem; }
  .section-title { flex-wrap: wrap; }
  .required-badge { order: 3; margin-left: 0; }
  .precio-block { padding: 18px 16px; }
  .precio-total strong { font-size: 1.25rem; }
}