/* ============================================================
   CHECKOUT PAGE — Volt Culture Nutritions
   Dedicated /checkout page (replaces modal). COD-only until DirectPay clears.
   Brand tokens: cobalt + navy + DM Sans + Inter (see tokens.css).
============================================================ */

/* ---- Page shell -------------------------------------------- */
.checkout-page {
  background: var(--off-white);
  min-height: 100vh;
  padding-top: 6.5rem;
  padding-bottom: 6rem;
}

@media (max-width: 699px) {
  .checkout-page {
    padding-top: 6rem; /* clears the fixed nav bar with breathing room */
    padding-bottom: 7rem; /* room for sticky submit bar */
  }
}

.checkout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  max-width: 1080px;
  margin-inline: auto;
}

@media (min-width: 900px) {
  .checkout-grid {
    grid-template-columns: 1fr 380px;
    gap: var(--space-xl);
    align-items: start;
  }
}

/* ---- Section panel ----------------------------------------- */
.checkout-panel {
  background: white;
  border: 1px solid oklch(90% 0.005 264);
  padding: var(--space-lg);
}

@media (max-width: 699px) {
  .checkout-panel {
    padding: var(--space-md);
    border-left: none;
    border-right: none;
  }
}

.checkout-panel__heading {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--navy);
  margin-bottom: 1.5rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid oklch(92% 0.005 264);
}

.checkout-panel__step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--cobalt);
  color: white;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
  flex-shrink: 0;
}

.checkout-panel + .checkout-panel { margin-top: var(--space-md); }

/* ---- Page header ------------------------------------------- */
.checkout-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.checkout-header__eyebrow {
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cobalt);
  display: block;
  margin-bottom: 0.6rem;
}

.checkout-header__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.checkout-header__sub {
  margin-top: 0.5rem;
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* ---- Order summary card ----------------------------------- */
.order-summary {
  background: white;
  border: 1px solid oklch(90% 0.005 264);
  position: sticky;
  top: 5.5rem;
}

@media (max-width: 899px) {
  .order-summary {
    position: static;
    margin-bottom: var(--space-md);
  }
}

.order-summary__head {
  padding: var(--space-md);
  background: var(--navy);
  color: var(--text-on-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.order-summary__head-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.order-summary__head-edit {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cobalt-light);
  text-decoration: none;
}

.order-summary__head-edit:hover { text-decoration: underline; }

.order-line {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 0.85rem;
  padding: var(--space-md);
  align-items: center;
  border-bottom: 1px solid oklch(92% 0.005 264);
}

.order-line__thumb {
  width: 56px;
  height: 56px;
  background: var(--navy);
  border: 1px solid color-mix(in oklch, var(--cobalt) 25%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.order-line__thumb-mark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--cobalt-light);
}

.order-line__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 0.15rem;
}

.order-line__sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.order-line__price {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--navy);
  white-space: nowrap;
  text-align: right;
}

/* Quantity stepper */
.order-qty {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem var(--space-md);
  border-bottom: 1px solid oklch(92% 0.005 264);
}

.order-qty__label {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.order-qty__controls {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.qty-btn {
  width: 34px;
  height: 34px;
  border: 1px solid oklch(82% 0.01 264);
  background: white;
  color: var(--navy);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.qty-btn:hover:not(:disabled) {
  background: var(--ice);
  border-color: var(--cobalt);
}

.qty-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.qty-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--navy);
  min-width: 1.5em;
  text-align: center;
}

/* Bundle upsell */
.bundle-upsell {
  margin: var(--space-md);
  padding: 0.95rem 1rem;
  background: linear-gradient(180deg, var(--ice) 0%, color-mix(in oklch, var(--ice) 60%, white) 100%);
  border: 1px dashed var(--cobalt);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  transition: background 0.2s, border-style 0.2s;
}

.bundle-upsell:hover { background: color-mix(in oklch, var(--ice) 75%, white); }

.bundle-upsell--active {
  border-style: solid;
  background: color-mix(in oklch, var(--cobalt) 10%, white);
}

.bundle-upsell__icon {
  width: 32px;
  height: 32px;
  background: var(--cobalt);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
}

.bundle-upsell__text { flex: 1; }

.bundle-upsell__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--navy);
  margin-bottom: 0.15rem;
}

.bundle-upsell__sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.bundle-upsell__sub strong { color: var(--cobalt-dark); }

.bundle-upsell__action {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cobalt);
  white-space: nowrap;
  margin-top: 0.25rem;
}

/* Totals */
.order-totals { padding: var(--space-md); }

.order-totals__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 0.4rem 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.order-totals__row strong { color: var(--navy); font-weight: 600; }

.order-totals__row--free strong { color: oklch(48% 0.16 152); }

.order-totals__divider {
  height: 1px;
  background: oklch(92% 0.005 264);
  margin: 0.5rem 0;
}

.order-totals__total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 0.4rem;
}

.order-totals__total-label {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.order-totals__total-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--cobalt);
}

.order-totals__currency {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-right: 0.25rem;
}

/* Trust mini-strip in summary */
.order-trust {
  padding: var(--space-md);
  border-top: 1px solid oklch(92% 0.005 264);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.order-trust__item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.3;
}

.order-trust__item::before {
  content: '✓';
  color: var(--cobalt);
  font-weight: 700;
  flex-shrink: 0;
}

/* ---- Form fields ------------------------------------------ */
.cf-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

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

@media (min-width: 600px) {
  .cf-fields--row { grid-template-columns: 1fr 1fr; }
}

.cf-field label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.cf-field input,
.cf-field select,
.cf-field textarea {
  width: 100%;
  padding: 0.78rem 0.95rem;
  background: white;
  border: 1px solid oklch(85% 0.008 264);
  border-radius: 2px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--navy);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.cf-field textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}

.cf-field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236B7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.cf-field input:focus,
.cf-field select:focus,
.cf-field textarea:focus {
  outline: none;
  border-color: var(--cobalt);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--cobalt) 15%, transparent);
}

.cf-field input[aria-invalid="true"],
.cf-field select[aria-invalid="true"] {
  border-color: oklch(60% 0.18 22);
}

.cf-field__hint {
  margin-top: 0.3rem;
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ---- Phone group with country dial code ------------------ */
.cf-field .cf-phone-group {
  display: flex;
  gap: 0;
  align-items: stretch;
  width: 100%;
}
.cf-field .cf-phone-group .cf-phone-country {
  flex: 0 0 96px;
  width: 96px;
  min-width: 96px;
  border-right: none;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  padding-left: 0.6rem;
  padding-right: 1.6rem;
  background-color: oklch(98% 0.005 264);
  background-position: right 0.55rem center;
  font-variant-numeric: tabular-nums;
  font-size: 0.9rem;
}
.cf-field .cf-phone-group input[type="tel"] {
  flex: 1 1 auto;
  width: auto;
  min-width: 0;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}
.cf-field .cf-phone-group .cf-phone-country:focus,
.cf-field .cf-phone-group input[type="tel"]:focus {
  position: relative;
  z-index: 1;
}

/* ---- Payment methods preview (checkout page, step 3 visual only) ---------- */
.cf-payment-preview {
  margin-bottom: var(--space-md);
}

.cf-payment-preview__note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.cf-payment-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.cf-pmt-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  height: 34px;
  padding: 0 0.75rem;
  border: 1px solid oklch(86% 0.008 264);
  border-radius: 3px;
  background: white;
}

.cf-pmt-logo--visa  { background: #1A1F71; border-color: #1A1F71; padding: 0 0.9rem; }
.cf-pmt-logo--mc    { padding: 0 0.6rem; }
.cf-pmt-logo--cod   { font-family: var(--font-display); font-size: 0.6rem; font-weight: 700; letter-spacing: 0.1em; color: var(--navy); }
.cf-pmt-logo--cod svg { color: var(--text-muted); }
.cf-pmt-logo--mint  { background: #5B21B6; border-color: #5B21B6; }
.cf-pmt-logo--koko  { background: #0046C8; border-color: #0046C8; }

.cf-pmt-logo__wordmark {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: white;
}

.cf-pmt-logo__wordmark strong { font-weight: 800; }

.cf-pmt-svg {
  height: 38px;
  display: block;
  flex-shrink: 0;
}

/* ---- Payment block ---------------------------------------- */
.cf-payment {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  background: var(--ice);
  border: 1px solid color-mix(in oklch, var(--cobalt) 30%, transparent);
}

.cf-payment__check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--cobalt);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.cf-payment__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--navy);
  margin-bottom: 0.2rem;
}

.cf-payment__sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.cf-payment__sub strong { color: var(--navy); font-weight: 600; }

.cf-payment__future {
  margin-top: 0.65rem;
  font-size: 0.72rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ---- Trust strip on form side ----------------------------- */
.cf-trust-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin-top: var(--space-md);
}

@media (min-width: 600px) {
  .cf-trust-strip { grid-template-columns: repeat(4, 1fr); }
}

.cf-trust-strip__item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  padding: 0.85rem;
  background: white;
  border: 1px solid oklch(92% 0.005 264);
}

.cf-trust-strip__icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ice);
  color: var(--cobalt);
}

.cf-trust-strip__icon svg { width: 16px; height: 16px; }

.cf-trust-strip__title {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--navy);
  text-transform: uppercase;
}

.cf-trust-strip__sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ---- Submit ----------------------------------------------- */
.cf-submit-row { margin-top: var(--space-lg); }

.cf-submit {
  width: 100%;
  padding: 1.15rem 1.5rem;
  background: var(--cobalt);
  color: white;
  border: none;
  border-radius: 2px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
  position: relative;
}

.cf-submit:hover:not(:disabled) {
  background: var(--cobalt-dark);
  transform: translateY(-1px);
}

.cf-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.cf-submit__spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid white;
  border-top-color: transparent;
  border-radius: 50%;
  margin: 0 auto;
  animation: cf-spin 0.7s linear infinite;
}

.cf-submit--loading .cf-submit__text { display: none; }
.cf-submit--loading .cf-submit__spinner { display: block; }

@keyframes cf-spin { to { transform: rotate(360deg); } }

.cf-submit-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  margin-top: 0.6rem;
  padding: 0.5rem 0.75rem;
  background: oklch(97.5% 0.004 264);
  border: 1px solid oklch(88% 0.008 264);
  border-radius: 2px;
}

.cf-submit-trust__item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: oklch(40% 0.01 264);
}

.cf-submit-trust__item svg {
  width: 11px;
  height: 11px;
  flex-shrink: 0;
  color: oklch(42% 0.15 264);
}

.cf-submit-trust__sep {
  width: 1px;
  height: 12px;
  background: oklch(82% 0.008 264);
}

.cf-footnote {
  margin-top: 0.75rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.55;
}

.cf-footnote a {
  color: var(--cobalt);
  text-decoration: underline;
}

/* Mobile sticky bottom */
.cf-mobile-sticky {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: white;
  border-top: 1px solid oklch(85% 0.008 264);
  padding: 0.75rem 1rem;
  display: none;
  align-items: center;
  gap: 0.85rem;
  box-shadow: 0 -8px 32px rgba(10, 15, 30, 0.08);
}

@media (max-width: 899px) {
  .cf-mobile-sticky { display: flex; }
  .cf-submit-row { display: none; }
  .cf-footnote--desktop { display: none; }
}

.cf-mobile-sticky__total { flex-shrink: 0; }

.cf-mobile-sticky__total-label {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.cf-mobile-sticky__total-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--cobalt);
  line-height: 1.1;
}

.cf-mobile-sticky__btn {
  flex: 1;
  padding: 0.95rem 1rem;
  background: var(--cobalt);
  color: white;
  border: none;
  border-radius: 2px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.cf-mobile-sticky__btn:disabled { opacity: 0.55; cursor: not-allowed; }

/* ---- Error banner ----------------------------------------- */
.cf-error {
  display: none;
  padding: 0.95rem 1.1rem;
  background: oklch(95% 0.05 22);
  border-left: 3px solid oklch(60% 0.18 22);
  color: oklch(40% 0.18 22);
  font-size: 0.92rem;
  margin-bottom: var(--space-md);
}

.cf-error--visible { display: block; }

/* ---- WhatsApp fallback ------------------------------------ */
.cf-whatsapp {
  margin-top: var(--space-md);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.cf-whatsapp a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #128C7E;
  font-weight: 600;
  text-decoration: none;
}

.cf-whatsapp a:hover { text-decoration: underline; }

.cf-whatsapp svg { width: 16px; height: 16px; fill: currentColor; }

.cf-section + .cf-section { margin-top: var(--space-md); }