/* ============================================================
   PROMOTEA® — Checkout Page Styles
   ============================================================ */

/* ─────────────────────────────────────────────────────────────
   CHECKOUT LAYOUT
───────────────────────────────────────────────────────────── */

.checkout {
  padding: 40px 5vw 80px;
}

.checkout__header {
  text-align: center;
  margin-bottom: 48px;
}

.checkout__back {
  display: inline-block;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
  transition: color var(--transition);
}

.checkout__back:hover {
  color: var(--color-green);
}

.checkout__title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
}

.checkout__subtitle {
  font-size: 16px;
  color: var(--text-muted);
}

.checkout__layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: start;
}

/* ─────────────────────────────────────────────────────────────
   STEPS
───────────────────────────────────────────────────────────── */

.checkout__step {
  margin-bottom: 40px;
}

.checkout__step-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.checkout__step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-green);
  color: var(--text-white);
  font-size: 14px;
  font-weight: 800;
  border-radius: 50%;
  flex-shrink: 0;
}

.checkout__step-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

/* ─────────────────────────────────────────────────────────────
   PACKAGE CARDS
───────────────────────────────────────────────────────────── */

.packages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.package-card {
  position: relative;
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--bg-white);
}

.package-card:hover {
  border-color: var(--color-green-mid);
  box-shadow: 0 4px 16px var(--color-green-alpha);
}

.package-card.is-selected {
  border-color: var(--color-green);
  background: var(--color-green-light);
  box-shadow: 0 4px 20px var(--color-green-alpha);
}

.package-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.package-card__badge {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-green);
  color: var(--text-white);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}

.package-card__inner {
  text-align: center;
}

.package-card__name {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.package-card__stands {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.package-card__price {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.package-card__savings {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-green);
  margin-bottom: 8px;
}

.package-card__detail {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

.package-card__check {
  display: none;
  position: absolute;
  top: 12px;
  right: 12px;
  width: 24px;
  height: 24px;
  background: var(--color-green);
  color: var(--text-white);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 700;
  line-height: 24px;
  text-align: center;
}

.package-card.is-selected .package-card__check {
  display: block;
}

.package-card--disabled {
  opacity: 0.45;
  pointer-events: none;
  cursor: default;
}

.package-card__soon {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ─────────────────────────────────────────────────────────────
   FORM
───────────────────────────────────────────────────────────── */

.checkout-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-base);
  font-size: 15px;
  color: var(--text-primary);
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-green);
  box-shadow: 0 0 0 3px var(--color-green-alpha);
}

.form-group input.is-error,
.form-group textarea.is-error {
  border-color: #e53e3e;
  box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
}

/* ─────────────────────────────────────────────────────────────
   ORDER SUMMARY SIDEBAR
───────────────────────────────────────────────────────────── */

.checkout__sidebar {
  position: sticky;
  top: 88px;
}

.order-summary {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
}

.order-summary__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.order-summary__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 15px;
  color: var(--text-secondary);
  padding: 8px 0;
}

.order-summary__divider {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

.order-summary__total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 28px;
}

.checkout__pay-btn {
  width: 100%;
  justify-content: center;
  font-size: 17px;
  padding: 16px 24px;
}

.order-summary__trust {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.order-summary__trust p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
}

.order-summary__payments {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* ─────────────────────────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .checkout__layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .checkout__sidebar {
    position: static;
    order: -1;
  }

  .packages {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .package-card {
    padding: 20px 16px;
  }

  .package-card__inner {
    display: flex;
    align-items: center;
    gap: 16px;
    text-align: left;
  }

  .package-card__price {
    font-size: 24px;
    margin-left: auto;
    margin-bottom: 0;
  }

  .package-card__stands {
    margin-bottom: 0;
  }

  .package-card__savings {
    margin-bottom: 0;
  }

  .package-card__detail {
    display: none;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .order-summary {
    padding: 24px 20px;
  }
}