.checkout-page {
  color: var(--ink);
  background: var(--ice);
}

.checkout-container {
  width: min(calc(100% - 48px), 1180px);
  margin-inline: auto;
}

.checkout-header {
  color: var(--white);
  background: var(--navy-950);
  border-bottom: 1px solid rgba(255,255,255,.14);
}

.checkout-header-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.checkout-security {
  display: flex;
  align-items: center;
  gap: 9px;
  color: rgba(255,255,255,.72);
  font-size: .82rem;
  font-weight: 750;
}

.checkout-security span {
  color: #4de091;
  font-size: .65rem;
  box-shadow: 0 0 0 5px rgba(77,224,145,.1);
  border-radius: 50%;
}

.checkout-main {
  padding: 42px 0 100px;
}

.checkout-back {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 5px;
  color: var(--blue);
  border-bottom: 1px solid rgba(39,86,255,.35);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.checkout-heading {
  display: grid;
  grid-template-columns: 1.15fr .65fr;
  gap: 80px;
  align-items: end;
  margin: 56px 0 40px;
}

.checkout-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: var(--blue);
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.checkout-kicker span {
  width: 28px;
  height: 4px;
  background: var(--yellow);
}

.checkout-heading h1 {
  margin: 0;
  font-size: clamp(3.6rem, 6vw, 6.6rem);
  font-weight: 360;
  line-height: .91;
  letter-spacing: -.065em;
}

.checkout-heading h1 strong {
  color: var(--blue);
  font-weight: 850;
}

.checkout-heading > p {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 1.04rem;
}

.checkout-demo-note {
  display: flex;
  gap: 14px 24px;
  align-items: center;
  margin-bottom: 22px;
  padding: 15px 20px;
  color: var(--navy-950);
  background: var(--yellow);
  border-radius: 12px;
  font-size: .86rem;
}

.checkout-demo-note strong {
  flex: 0 0 auto;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.checkout-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 22px;
  align-items: start;
}

.checkout-form {
  display: grid;
  gap: 16px;
}

.checkout-section {
  padding: 34px;
  background: var(--white);
  border: 1px solid rgba(7,18,47,.08);
  border-radius: var(--radius);
  box-shadow: 0 16px 50px rgba(7,20,63,.06);
}

.checkout-section-title {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: center;
  margin-bottom: 30px;
}

.checkout-section-title > span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--blue);
  border: 1px solid rgba(39,86,255,.32);
  border-radius: 50%;
  font-size: .72rem;
  font-weight: 850;
}

.checkout-section-title small {
  display: block;
  margin-bottom: 2px;
  color: var(--muted);
  font-size: .69rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.checkout-section-title h2 {
  margin: 0;
  font-size: 1.55rem;
  line-height: 1.1;
  letter-spacing: -.035em;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.field {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-size: .78rem;
  font-weight: 800;
}

.field-full {
  grid-column: 1 / -1;
}

.form-grid:has(.field-small) {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.field-wide {
  grid-column: span 3;
}

.field input,
.field select {
  width: 100%;
  min-height: 52px;
  padding: 0 15px;
  color: var(--ink);
  background: #f8faff;
  border: 1px solid rgba(7,18,47,.15);
  border-radius: 10px;
  outline: 0;
  font-size: .95rem;
  font-weight: 500;
  transition: border-color .2s, box-shadow .2s, background .2s;
}

.field input::placeholder {
  color: #9aa3b8;
}

.field input:focus,
.field select:focus {
  background: var(--white);
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(39,86,255,.1);
}

.payment-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}

.payment-options label {
  cursor: pointer;
}

.payment-options input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.payment-options label > span {
  display: flex;
  min-height: 90px;
  flex-direction: column;
  justify-content: center;
  padding: 14px;
  color: var(--ink);
  background: #f8faff;
  border: 1px solid rgba(7,18,47,.14);
  border-radius: 12px;
  font-size: .84rem;
  font-weight: 850;
  transition: border-color .2s, background .2s, box-shadow .2s;
}

.payment-options small {
  margin-top: 4px;
  color: var(--muted);
  font-size: .68rem;
  font-weight: 600;
}

.payment-options input:checked + span {
  color: var(--white);
  background: var(--blue);
  border-color: var(--blue);
  box-shadow: 0 8px 24px rgba(39,86,255,.2);
}

.payment-options input:checked + span small {
  color: rgba(255,255,255,.7);
}

.payment-options input:focus-visible + span {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

.payment-panel[hidden] {
  display: none;
}

.payment-explanation {
  padding: 22px;
  color: var(--white);
  background: var(--navy-950);
  border-radius: 14px;
}

.payment-explanation p {
  margin: 6px 0 0;
  color: rgba(255,255,255,.68);
  font-size: .88rem;
}

.terms-field {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 6px;
  color: var(--muted);
  font-size: .82rem;
}

.terms-field input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--blue);
}

.terms-field a {
  color: var(--blue);
  text-decoration: underline;
}

.checkout-submit {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  color: var(--navy-950);
  background: var(--yellow);
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-size: .86rem;
  font-weight: 900;
  letter-spacing: .05em;
  text-transform: uppercase;
  box-shadow: 0 12px 32px rgba(255,215,39,.2);
  transition: transform .2s, box-shadow .2s;
}

.checkout-submit:hover,
.checkout-submit:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 38px rgba(255,215,39,.32);
}

.checkout-submit-note {
  margin: -4px 0 0;
  color: var(--muted);
  text-align: center;
  font-size: .72rem;
}

.order-summary {
  position: sticky;
  top: 22px;
  padding: 28px;
  color: var(--navy-950);
  background: var(--yellow);
  border-radius: var(--radius);
  box-shadow: 0 24px 70px rgba(7,20,63,.14);
}

.order-label {
  margin: 0 0 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(4,10,37,.22);
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.order-course > span {
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.order-course h2 {
  margin: 8px 0 5px;
  font-size: 2.2rem;
  line-height: 1;
  letter-spacing: -.055em;
}

.order-course p {
  margin: 0;
  font-size: .8rem;
  font-weight: 700;
  opacity: .7;
}

.order-summary dl {
  margin: 26px 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(4,10,37,.22);
}

.order-summary dl div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 8px;
}

.order-summary dt,
.order-summary dd {
  margin: 0;
}

.order-summary dt {
  font-size: .75rem;
  font-weight: 750;
}

.order-summary dd {
  font-weight: 800;
}

.order-total {
  display: grid !important;
  gap: 2px !important;
  margin-top: 18px !important;
  padding-top: 18px;
  border-top: 1px solid rgba(4,10,37,.16);
}

.order-total dd {
  font-size: 2.65rem;
  line-height: 1;
  letter-spacing: -.06em;
}

.order-total dd small {
  margin-left: 4px;
  font-size: .76rem;
  letter-spacing: 0;
}

.order-benefit {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  margin-top: 24px;
  padding: 18px;
  color: var(--white);
  background: var(--navy-950);
  border-radius: 14px;
}

.order-benefit > span {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  color: var(--navy-950);
  background: var(--yellow);
  border-radius: 50%;
  font-weight: 900;
}

.order-benefit p {
  margin: 0;
  color: rgba(255,255,255,.68);
  font-size: .72rem;
}

.order-benefit strong {
  color: var(--white);
  font-size: .8rem;
}

.order-summary ul {
  display: grid;
  gap: 8px;
  margin: 24px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid rgba(4,10,37,.22);
  list-style: none;
  font-size: .78rem;
  font-weight: 750;
}

.order-summary li {
  display: flex;
  gap: 8px;
}

.order-summary li span {
  color: var(--blue);
}

.checkout-footer {
  color: rgba(255,255,255,.62);
  background: var(--navy-950);
}

.checkout-footer .checkout-container {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-top: 26px;
  padding-bottom: 26px;
}

.checkout-footer p {
  margin: 0;
  font-size: .74rem;
}

.checkout-dialog {
  width: min(calc(100% - 32px), 560px);
  padding: 42px;
  color: var(--white);
  background: var(--navy-950);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 24px;
  box-shadow: 0 30px 100px rgba(0,0,0,.38);
  text-align: center;
}

.checkout-dialog::backdrop {
  background: rgba(4,10,37,.74);
  backdrop-filter: blur(8px);
}

.checkout-dialog > button {
  position: absolute;
  top: 12px;
  right: 16px;
  color: rgba(255,255,255,.7);
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 1.8rem;
}

.checkout-dialog > span {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  margin: 0 auto 24px;
  color: var(--navy-950);
  background: var(--yellow);
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: 900;
}

.checkout-dialog > p:first-of-type {
  margin: 0 0 10px;
  color: var(--yellow);
  font-size: .75rem;
  font-weight: 850;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.checkout-dialog h2 {
  margin: 0;
  font-size: 2.2rem;
  line-height: 1.05;
  letter-spacing: -.045em;
}

.checkout-dialog h2 + p {
  color: rgba(255,255,255,.65);
}

.checkout-dialog a {
  display: inline-flex;
  margin-top: 18px;
  padding-bottom: 4px;
  color: var(--yellow);
  border-bottom: 1px solid rgba(255,215,39,.55);
  font-size: .78rem;
  font-weight: 850;
  text-transform: uppercase;
}

@media (max-width: 920px) {
  .checkout-heading,
  .checkout-layout {
    grid-template-columns: 1fr;
  }

  .checkout-heading {
    gap: 24px;
  }

  .order-summary {
    position: static;
    grid-row: 1;
  }
}

@media (max-width: 640px) {
  .checkout-container {
    width: min(calc(100% - 30px), 1180px);
  }

  .checkout-header-inner {
    min-height: 72px;
  }

  .checkout-security {
    font-size: .72rem;
  }

  .checkout-heading {
    margin-top: 42px;
  }

  .checkout-heading h1 {
    font-size: clamp(3.1rem, 15vw, 4.5rem);
  }

  .checkout-demo-note {
    align-items: flex-start;
    flex-direction: column;
  }

  .checkout-section {
    padding: 25px 20px;
  }

  .form-grid,
  .form-grid:has(.field-small),
  .payment-options {
    grid-template-columns: 1fr;
  }

  .field-full,
  .field-wide,
  .field-small {
    grid-column: auto;
  }

  .payment-options label > span {
    min-height: 74px;
  }

  .checkout-footer .checkout-container {
    flex-direction: column;
    gap: 8px;
  }

  .checkout-dialog {
    padding: 38px 24px 30px;
  }

  .checkout-dialog h2 {
    font-size: 1.8rem;
  }
}