/* ============================================================
   Tamil Gurukulam - Student Registration Wizard
   Custom Styles
   ============================================================ */

/* --- CSS Variables --- */
:root {
  --reg-primary: #339900;
  --reg-primary-dark: #267300;
  --reg-primary-light: #48b814;
  --reg-accent: #FFCC66;
  --reg-accent-dark: #e6b800;
  --reg-bg: #f4fbf1;
  --reg-card-bg: #ffffff;
  --reg-text-dark: #1a2332;
  --reg-text-muted: #64748b;
  --reg-text-light: #94a3b8;
  --reg-border: #e2e8f0;
  --reg-success: #339900;
  --reg-danger: #ef4444;
  --reg-shadow: 0 20px 60px rgba(51, 153, 0, 0.08);
  --reg-shadow-hover: 0 30px 80px rgba(51, 153, 0, 0.14);
  --reg-radius: 16px;
  --reg-radius-sm: 10px;
}

/* --- Base Overrides --- */
body.register-page {
  font-family: 'Inter', 'Open Sans', sans-serif;
  background: var(--reg-bg);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body.register-page::before {
  content: '';
  position: fixed;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(51, 153, 0, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(72, 184, 20, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(255, 204, 102, 0.05) 0%, transparent 50%);
  animation: regBgShift 20s ease-in-out infinite;
  z-index: 0;
  pointer-events: none;
}

@keyframes regBgShift {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(2%, -1%) rotate(1deg); }
  66% { transform: translate(-1%, 2%) rotate(-1deg); }
}

/* --- Floating Orbs --- */
.reg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  z-index: 0;
  pointer-events: none;
}
.reg-orb-1 {
  width: 400px; height: 400px;
  background: rgba(51, 153, 0, 0.08);
  top: -100px; right: -100px;
  animation: regFloat1 15s ease-in-out infinite;
}
.reg-orb-2 {
  width: 300px; height: 300px;
  background: rgba(255, 204, 102, 0.12);
  bottom: -80px; left: -80px;
  animation: regFloat2 18s ease-in-out infinite;
}
@keyframes regFloat1 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-40px, 40px); }
}
@keyframes regFloat2 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

/* --- Main Registration Container --- */
.reg-container {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
  padding: 30px 15px 60px;
}

/* --- Registration Card --- */
.reg-card {
  background: var(--reg-card-bg);
  border-radius: 24px;
  box-shadow: var(--reg-shadow);
  border: 1px solid rgba(51, 153, 0, 0.12);
  overflow: hidden;
  animation: regCardEntrance 0.7s cubic-bezier(0.16,1,0.3,1) both;
}
@keyframes regCardEntrance {
  from { opacity: 0; transform: translateY(30px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* --- Card Header --- */
.reg-card-header {
  background: linear-gradient(160deg, #1b4d00 0%, #267300 50%, #339900 100%);
  color: #fff;
  padding: 32px 36px 28px;
  position: relative;
  overflow: hidden;
}
.reg-card-header::before {
  content: '';
  position: absolute;
  width: 250px; height: 250px;
  background: radial-gradient(circle, rgba(255, 204, 102, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  top: -80px; right: -60px;
}
.reg-card-header::after {
  content: '';
  position: absolute;
  width: 180px; height: 180px;
  background: rgba(255,255,255,0.04);
  border-radius: 50%;
  bottom: -70px; left: -40px;
}
.reg-card-header h2 {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 4px;
  position: relative; z-index: 1;
  letter-spacing: -0.3px;
}
.reg-card-header p {
  font-size: 14px;
  opacity: 0.9;
  margin: 0;
  font-weight: 400;
  position: relative; z-index: 1;
}

/* --- Card Body --- */
.reg-card-body {
  padding: 36px 36px 28px;
}

/* ============================================================
   STEPPER / PROGRESS BAR
   ============================================================ */
.reg-stepper {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-bottom: 36px;
  padding: 0 10px;
}
.reg-stepper::before {
  content: '';
  position: absolute;
  top: 21px;
  left: 30px; right: 30px;
  height: 4px;
  background: var(--reg-border);
  z-index: 0;
  border-radius: 4px;
}
.reg-stepper-progress {
  position: absolute;
  top: 21px;
  left: 30px;
  height: 4px;
  background: linear-gradient(90deg, var(--reg-primary), var(--reg-primary-light), var(--reg-accent));
  z-index: 1;
  border-radius: 4px;
  transition: width 0.5s cubic-bezier(0.16,1,0.3,1);
  width: 0%;
}

.reg-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
  cursor: default;
  flex: 1;
}
.reg-step-circle {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--reg-card-bg);
  border: 3px solid var(--reg-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  color: var(--reg-text-muted);
  transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.reg-step-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--reg-text-muted);
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color 0.3s ease;
  text-align: center;
  line-height: 1.3;
}

/* Active Step */
.reg-step.active .reg-step-circle {
  background: linear-gradient(135deg, var(--reg-primary), var(--reg-primary-dark));
  border-color: var(--reg-accent);
  color: #fff;
  transform: scale(1.12);
  box-shadow: 0 6px 18px rgba(51, 153, 0, 0.35);
}
.reg-step.active .reg-step-label {
  color: var(--reg-primary-dark);
  font-weight: 800;
}

/* Completed Step */
.reg-step.completed .reg-step-circle {
  background: var(--reg-primary);
  border-color: var(--reg-primary);
  color: #fff;
  box-shadow: 0 3px 12px rgba(51, 153, 0, 0.25);
}
.reg-step.completed .reg-step-label {
  color: var(--reg-primary-dark);
  font-weight: 700;
}

/* ============================================================
   FORM STEPS PANEL
   ============================================================ */
.reg-form-step {
  display: none;
  animation: regStepIn 0.4s ease both;
}
.reg-form-step.active {
  display: block;
}
@keyframes regStepIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.reg-step-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--reg-text-dark);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.reg-step-title i {
  color: var(--reg-primary);
  font-size: 20px;
}
.reg-step-desc {
  font-size: 13px;
  color: var(--reg-text-muted);
  margin-bottom: 24px;
  line-height: 1.5;
}

/* ============================================================
   MULTI-STUDENT REGISTRATION STYLES
   ============================================================ */
.reg-student-card {
  background: #ffffff;
  border: 1.5px solid rgba(51, 153, 0, 0.2);
  border-radius: var(--reg-radius);
  padding: 22px 22px 10px;
  margin-bottom: 20px;
  position: relative;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(51, 153, 0, 0.04);
  animation: regCardEntrance 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.reg-student-card:hover {
  border-color: rgba(51, 153, 0, 0.45);
  box-shadow: 0 8px 24px rgba(51, 153, 0, 0.08);
}
.reg-student-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid #edf2f7;
}
.reg-student-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--reg-text-dark);
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}
.reg-student-badge {
  background: linear-gradient(135deg, var(--reg-primary), var(--reg-primary-dark));
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}
.reg-btn-remove-student {
  background: #fff1f2;
  color: #e11d48;
  border: 1px solid #fecdd3;
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}
.reg-btn-remove-student:hover {
  background: #ffe4e6;
  color: #be123c;
  transform: translateY(-1px);
}
.reg-btn-add-student {
  background: #f4fbf1;
  border: 2px dashed var(--reg-primary);
  color: var(--reg-primary-dark);
  border-radius: var(--reg-radius-sm);
  padding: 14px 24px;
  width: 100%;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
  transition: all 0.3s ease;
}
.reg-btn-add-student:hover {
  background: #eaf6e6;
  border-color: var(--reg-primary-dark);
  color: #1b4d00;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(51, 153, 0, 0.16);
}
.reg-review-student-card {
  background: #f4fbf1;
  border: 1px solid rgba(51, 153, 0, 0.18);
  border-radius: var(--reg-radius-sm);
  padding: 18px;
  margin-bottom: 14px;
}
.reg-review-student-title {
  font-size: 14.5px;
  font-weight: 800;
  color: var(--reg-primary-dark);
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* --- Form Controls --- */
.reg-form-group {
  margin-bottom: 20px;
}
.reg-label {
  display: block;
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: #475569;
  margin-bottom: 7px;
}
.reg-label .required {
  color: var(--reg-danger);
  margin-left: 2px;
}

.reg-input,
.reg-select,
.reg-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--reg-border);
  border-radius: var(--reg-radius-sm);
  font-size: 14.5px;
  font-family: inherit;
  color: var(--reg-text-dark);
  background: #fafcf9;
  transition: all 0.3s ease;
  outline: none;
}
.reg-input:focus,
.reg-select:focus,
.reg-textarea:focus {
  background: #ffffff;
  border-color: var(--reg-primary);
  box-shadow: 0 0 0 4px rgba(51, 153, 0, 0.12);
}
.reg-input::placeholder { color: #94a3b8; }

.reg-input.is-invalid,
.reg-select.is-invalid {
  border-color: var(--reg-danger);
  box-shadow: 0 0 0 4px rgba(239,68,68,0.08);
}
.reg-invalid-feedback {
  font-size: 12px;
  color: var(--reg-danger);
  margin-top: 4px;
  display: none;
}
.reg-input.is-invalid ~ .reg-invalid-feedback,
.reg-select.is-invalid ~ .reg-invalid-feedback {
  display: block;
}

/* --- Input with Icon --- */
.reg-input-icon {
  position: relative;
}
.reg-input-icon .reg-input {
  padding-left: 44px;
}
.reg-input-icon i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--reg-primary);
  font-size: 17px;
  pointer-events: none;
}

/* --- Select Styling --- */
.reg-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23339900' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
.reg-select option[value=""] { color: #94a3b8; }

/* ============================================================
   NAVIGATION BUTTONS
   ============================================================ */
.reg-nav-btns {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--reg-border);
}

.reg-btn {
  padding: 12px 28px;
  border-radius: var(--reg-radius-sm);
  font-size: 14.5px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.35s cubic-bezier(0.16,1,0.3,1);
  letter-spacing: 0.3px;
}
.reg-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.reg-btn-prev {
  background: #f1f5f9;
  color: var(--reg-text-muted);
}
.reg-btn-prev:hover:not(:disabled) {
  background: #e2e8f0;
  color: var(--reg-text-dark);
  transform: translateX(-3px);
}
.reg-btn-prev i { transition: transform 0.3s ease; }
.reg-btn-prev:hover i { transform: translateX(-3px); }

.reg-btn-next {
  background: linear-gradient(135deg, var(--reg-primary), var(--reg-primary-dark));
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(51, 153, 0, 0.25);
}
.reg-btn-next::before {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
  transition: left 0.6s ease;
}
.reg-btn-next:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--reg-primary-light), var(--reg-primary));
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(51, 153, 0, 0.35);
}
.reg-btn-next:hover::before { left: 100%; }
.reg-btn-next i { transition: transform 0.3s ease; }
.reg-btn-next:hover i { transform: translateX(3px); }

/* ============================================================
   REVIEW / SUMMARY SECTION (Step 5)
   ============================================================ */
.reg-review-section {
  margin-bottom: 24px;
}
.reg-review-heading {
  font-size: 14px;
  font-weight: 800;
  color: var(--reg-primary-dark);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(51, 153, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 8px;
}
.reg-review-heading i {
  font-size: 16px;
  color: var(--reg-primary);
}

.reg-review-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
}
.reg-review-item {
  padding: 8px 0;
}
.reg-review-label {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--reg-text-muted);
  margin-bottom: 2px;
}
.reg-review-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--reg-text-dark);
}

/* --- Fee Summary Card --- */
.reg-fee-card {
  background: linear-gradient(135deg, #f4fbf1 0%, #eaf6e6 100%);
  border: 1.5px solid rgba(51, 153, 0, 0.25);
  border-radius: var(--reg-radius);
  padding: 24px;
  margin: 24px 0;
  box-shadow: 0 4px 16px rgba(51, 153, 0, 0.05);
}
.reg-fee-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 14px;
  color: var(--reg-text-muted);
}
.reg-fee-total {
  border-top: 2px solid rgba(51, 153, 0, 0.2);
  margin-top: 10px;
  padding-top: 12px;
  font-size: 18px;
  font-weight: 800;
  color: var(--reg-text-dark);
}
.reg-fee-total span {
  color: var(--reg-primary-dark);
  font-size: 22px;
}

/* ============================================================
   PAYMENT METHOD CARDS
   ============================================================ */
.reg-payment-methods {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 20px 0;
}

.reg-payment-card {
  border: 2px solid var(--reg-border);
  border-radius: var(--reg-radius);
  padding: 24px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.16,1,0.3,1);
  position: relative;
  overflow: hidden;
}
.reg-payment-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: transparent;
  transition: background 0.3s ease;
}
.reg-payment-card:hover {
  border-color: var(--reg-primary);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(51, 153, 0, 0.12);
}
.reg-payment-card.selected {
  border-color: var(--reg-primary);
  background: linear-gradient(180deg, rgba(51, 153, 0, 0.03) 0%, rgba(51, 153, 0, 0.06) 100%);
  box-shadow: 0 6px 20px rgba(51, 153, 0, 0.15);
}
.reg-payment-card.selected::before {
  background: linear-gradient(90deg, var(--reg-primary), var(--reg-primary-light));
}

.reg-payment-icon {
  font-size: 36px;
  margin-bottom: 10px;
  display: block;
}
.reg-payment-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--reg-text-dark);
  margin-bottom: 4px;
}
.reg-payment-desc {
  font-size: 12px;
  color: var(--reg-text-muted);
}

.reg-payment-radio {
  position: absolute;
  top: 12px; right: 12px;
  width: 22px; height: 22px;
  border: 2px solid var(--reg-border);
  border-radius: 50%;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.reg-payment-card.selected .reg-payment-radio {
  border-color: var(--reg-primary);
  background: var(--reg-primary);
}
.reg-payment-card.selected .reg-payment-radio::after {
  content: '✓';
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

/* --- Pay Button --- */
.reg-btn-pay {
  width: 100%;
  padding: 16px 28px;
  border-radius: var(--reg-radius-sm);
  font-size: 16px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.35s cubic-bezier(0.16,1,0.3,1);
  background: linear-gradient(135deg, var(--reg-primary), var(--reg-primary-dark));
  color: #fff;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.5px;
  margin-top: 16px;
}
.reg-btn-pay::before {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.6s ease;
}
.reg-btn-pay:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(51, 153, 0, 0.35);
}
.reg-btn-pay:hover::before { left: 100%; }
.reg-btn-pay:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================================
   ALERTS
   ============================================================ */
.reg-alert {
  padding: 14px 18px;
  border-radius: var(--reg-radius-sm);
  font-size: 14px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: regAlertIn 0.4s ease both;
}
@keyframes regAlertIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.reg-alert-danger {
  background: linear-gradient(135deg, #fff5f5, #ffe8e8);
  color: #c53030;
  border: 1px solid rgba(197,48,48,0.1);
}
.reg-alert-success {
  background: linear-gradient(135deg, #f0fff4, #e6ffed);
  color: #276749;
  border: 1px solid rgba(39,103,73,0.1);
}
.reg-alert-info {
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  color: #1e40af;
  border: 1px solid rgba(30,64,175,0.1);
}

/* ============================================================
   LOADING SPINNER
   ============================================================ */
.reg-spinner {
  display: inline-block;
  width: 20px; height: 20px;
  border: 3px solid rgba(255,255,255,0.3);
  border-top: 3px solid #fff;
  border-radius: 50%;
  animation: regSpin 0.8s linear infinite;
}
@keyframes regSpin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   SUCCESS PAGE
   ============================================================ */
.reg-success-container {
  text-align: center;
  padding: 40px 20px;
}
.reg-success-icon {
  width: 90px; height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--reg-success), #287a00);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  animation: regSuccessPop 0.6s cubic-bezier(0.16,1,0.3,1) both;
}
@keyframes regSuccessPop {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}
.reg-success-icon i {
  font-size: 40px;
  color: #fff;
}
.reg-success-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--reg-text-dark);
  margin-bottom: 8px;
}
.reg-success-msg {
  font-size: 14px;
  color: var(--reg-text-muted);
  margin-bottom: 28px;
  line-height: 1.6;
}

/* --- Invoice Summary Card --- */
.reg-invoice-card {
  background: #f8fafc;
  border: 1px solid var(--reg-border);
  border-radius: var(--reg-radius);
  padding: 28px;
  text-align: left;
  max-width: 500px;
  margin: 0 auto 28px;
}
.reg-invoice-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--reg-border);
}
.reg-invoice-number {
  font-size: 16px;
  font-weight: 700;
  color: var(--reg-primary);
}
.reg-invoice-date {
  font-size: 13px;
  color: var(--reg-text-muted);
}
.reg-invoice-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 14px;
  color: var(--reg-text-muted);
}
.reg-invoice-row strong {
  color: var(--reg-text-dark);
}
.reg-invoice-total {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 2px solid rgba(51, 153, 0, 0.15);
  font-size: 18px;
  font-weight: 700;
  color: var(--reg-text-dark);
}
.reg-invoice-total span {
  color: var(--reg-primary);
}

.reg-success-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.reg-success-actions .reg-btn {
  min-width: 160px;
  justify-content: center;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .reg-card-body { padding: 24px 20px 20px; }
  .reg-card-header { padding: 24px 20px 20px; }
  .reg-card-header h2 { font-size: 18px; }

  .reg-stepper {
    margin-bottom: 28px;
    padding: 0;
  }
  .reg-step-circle {
    width: 34px; height: 34px;
    font-size: 12px;
  }
  .reg-step-label {
    font-size: 9px;
    letter-spacing: 0;
  }
  .reg-stepper::before,
  .reg-stepper-progress {
    top: 17px;
    left: 20px; right: 20px;
  }

  .reg-review-grid {
    grid-template-columns: 1fr;
  }

  .reg-payment-methods {
    grid-template-columns: 1fr;
  }

  .reg-nav-btns {
    flex-direction: column;
    gap: 12px;
  }
  .reg-btn { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .reg-container { padding: 15px 10px 40px; }
  .reg-card { border-radius: 16px; }
  .reg-card-body { padding: 20px 16px 16px; }
  .reg-card-header { padding: 20px 16px 16px; }
}