.checkout-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 18%, rgba(138, 108, 255, 0.19), transparent 27rem),
    linear-gradient(180deg, #060711, #0b0d18);
}

[hidden] {
  display: none !important;
}

.checkout-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem clamp(1rem, 5vw, 5rem);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 6, 16, 0.72);
  backdrop-filter: blur(20px);
}

.secure-label,
.back-link,
.submit-note {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.secure-label svg,
.submit-note svg {
  color: var(--green);
}

.checkout-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 420px);
  gap: clamp(2rem, 5vw, 5rem);
  max-width: 1240px;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4.5rem) clamp(1rem, 4vw, 2rem);
}

.checkout-shell > * {
  min-width: 0;
}

.checkout-main h1 {
  max-width: 740px;
  margin: 0.7rem 0;
  font-size: clamp(3rem, 6vw, 5.8rem);
}

.checkout-intro {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.6;
}

.checkout-progress {
  display: flex;
  gap: 0.75rem;
  margin: 1.6rem 0;
}

.checkout-progress span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--soft);
  font-size: 0.86rem;
  font-weight: 800;
}

.checkout-progress b {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.checkout-progress .active {
  color: var(--text);
}

.checkout-progress .active b {
  border-color: var(--green);
  color: var(--green);
}

.payment-form {
  display: grid;
  gap: 0.85rem;
}

.form-section,
.order-summary {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(18px);
}

.form-section {
  padding: 1.1rem;
}

.form-heading {
  display: flex;
  gap: 0.75rem;
  align-items: start;
  margin-bottom: 1rem;
}

.form-heading > span {
  color: var(--green);
  font-weight: 800;
}

.form-heading h2,
.form-heading p {
  margin: 0;
}

.form-heading h2 {
  font-size: 1.25rem;
}

.form-heading p {
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.field-grid,
.card-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.field-grid label,
.card-fields label {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

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

.field-grid input,
.card-fields input {
  width: 100%;
  min-width: 0;
  min-height: 50px;
  padding: 0 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  outline: 0;
}

.payment-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.payment-tab {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.12rem 0.55rem;
  align-items: center;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.payment-tab svg {
  grid-row: span 2;
}

.payment-tab small {
  color: var(--muted);
}

.payment-tab.active {
  border-color: rgba(96, 230, 168, 0.64);
  background: rgba(96, 230, 168, 0.09);
}

.payment-tab.active svg,
.payment-detail svg {
  color: var(--green);
}

.payment-detail {
  display: flex;
  gap: 0.7rem;
  margin-top: 0.8rem;
  padding: 0.85rem;
  border: 1px solid rgba(96, 230, 168, 0.23);
  border-radius: var(--radius);
  background: rgba(96, 230, 168, 0.06);
}

.payment-detail p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.card-fields {
  margin-top: 0.8rem;
}

.checkout-submit {
  display: inline-flex;
  min-height: 60px;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border: 0;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #fff, #d7ceff);
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
}

.submit-note {
  justify-content: center;
  margin: 0;
}

.order-summary {
  position: sticky;
  top: 1rem;
  align-self: start;
  min-width: 0;
  padding: 1.15rem;
  box-shadow: var(--shadow);
}

.summary-title,
.summary-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.summary-title span,
.summary-line span,
.summary-cycle {
  color: var(--muted);
}

.summary-title h2 {
  margin-top: 0.2rem;
  font-size: 2rem;
}

.summary-title button {
  align-self: start;
  border: 0;
  background: transparent;
  color: var(--violet-2);
  cursor: pointer;
  font-weight: 800;
}

.plan-options {
  display: grid;
  gap: 0.35rem;
  margin: 0.75rem 0;
}

.plan-options button {
  display: flex;
  justify-content: space-between;
  padding: 0.7rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  cursor: pointer;
}

.summary-price {
  display: grid;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}

.summary-price strong {
  font: 800 3.5rem/1 "Plus Jakarta Sans", sans-serif;
}

.summary-price span {
  margin-top: 0.3rem;
  color: var(--muted);
}

.summary-line {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.summary-benefits {
  display: grid;
  gap: 0.62rem;
  padding: 1rem 0;
}

.summary-benefits h3 {
  margin-bottom: 0.2rem;
}

.summary-benefits span {
  display: flex;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.summary-benefits svg {
  flex: 0 0 auto;
  color: var(--green);
}

.after-payment {
  display: flex;
  gap: 0.65rem;
  padding: 0.85rem;
  border: 1px solid rgba(138, 108, 255, 0.28);
  border-radius: var(--radius);
  background: rgba(138, 108, 255, 0.09);
}

.after-payment svg {
  color: var(--violet-2);
}

.after-payment p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.success-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: none;
  place-items: center;
  padding: 1rem;
  background: rgba(4, 5, 12, 0.8);
  backdrop-filter: blur(18px);
}

.success-modal.open {
  display: grid;
}

.success-modal > div {
  max-width: 490px;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #121523;
  box-shadow: var(--shadow);
}

.success-modal svg {
  width: 42px;
  height: 42px;
  color: var(--green);
}

.success-modal h2 {
  font-size: 2.5rem;
}

.success-modal p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.55;
}

.success-modal a {
  display: inline-flex;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font-weight: 800;
}

@media (max-width: 880px) {
  .checkout-shell {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 560px) {
  .checkout-nav {
    padding-inline: 0.8rem;
  }

  .checkout-nav .brand img {
    width: 112px;
  }

  .secure-label {
    font-size: 0;
  }

  .secure-label svg {
    width: 22px;
    height: 22px;
  }

  .checkout-shell {
    width: 100%;
    max-width: 100vw;
    padding-inline: 0.8rem;
  }

  .checkout-main,
  .order-summary,
  .form-section {
    width: min(calc(100vw - 1.6rem), 360px);
    max-width: min(calc(100vw - 1.6rem), 360px);
    overflow: hidden;
  }

  .summary-title button {
    display: none;
  }

  .checkout-intro,
  .after-payment p {
    max-width: 320px;
  }

  .summary-title h2 {
    font-size: 1.8rem;
  }

  .checkout-main h1 {
    font-size: 3.15rem;
  }

  .field-grid,
  .card-fields {
    grid-template-columns: 1fr;
  }

  .full {
    grid-column: auto;
  }

  .checkout-progress {
    gap: 0.45rem;
  }

  .checkout-progress span {
    font-size: 0.76rem;
  }
}