:root {
  color-scheme: dark;
  --font-body: Inter, "Helvetica Neue", Arial, system-ui, sans-serif;
  --font-display: Georgia, "Times New Roman", serif;
  --page-bg: #08080a;
  --text: #f4f1ed;
  --muted: #aaa5a1;
  --surface: rgba(12, 12, 15, 0.9);
  --surface-strong: #101014;
  --surface-soft: rgba(255, 255, 255, 0.04);
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.22);
  --accent: #c91831;
  --accent-soft: rgba(201, 24, 49, 0.14);
  --accent-contrast: #fff;
  --focus: #f0cf7a;
  --danger: #ff7c85;
  --card-radius: 26px;
  --control-radius: 14px;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.5);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--page-bg);
  -webkit-text-size-adjust: 100%;
}

body {
  position: relative;
  min-width: 320px;
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background: var(--page-bg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  z-index: 0;
  background-position: center;
  background-size: cover;
}

body::after {
  z-index: 1;
  opacity: 0.18;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(255, 255, 255, 0.12) 0 0.5px, transparent 0.8px),
    radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.08) 0 0.5px, transparent 0.8px);
  background-size: 17px 17px, 23px 23px;
  mix-blend-mode: soft-light;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}

button:not(:disabled),
a {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
svg {
  display: block;
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  border-radius: 10px;
  color: #111;
  background: #fff;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.checkout-page {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 100vh;
  min-height: 100svh;
  place-items: center;
  padding:
    max(14px, env(safe-area-inset-top))
    max(12px, env(safe-area-inset-right))
    max(18px, env(safe-area-inset-bottom))
    max(12px, env(safe-area-inset-left));
}

.checkout-card,
.payment-card {
  width: min(100%, 1060px);
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px) saturate(1.08);
  -webkit-backdrop-filter: blur(18px) saturate(1.08);
}

.checkout-card {
  overflow: hidden;
}

.brand-header {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px 4px;
}

.brand-lockup {
  display: inline-flex;
  min-width: 0;
  align-items: center;
}

.brand-lockup--image img {
  width: 172px;
  height: auto;
  object-fit: contain;
}

.brand-lockup--morpheus {
  flex-direction: column;
  align-items: flex-start;
  font-family: var(--font-display);
  line-height: 1;
}

.brand-lockup--morpheus strong {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.brand-lockup--morpheus span {
  margin-top: 5px;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 7px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.checkout-label {
  flex: 0 0 auto;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.checkout-grid {
  display: grid;
  gap: 20px;
  padding: 14px 18px 18px;
}

.product-column,
.contact-panel {
  min-width: 0;
}

.page-intro {
  margin-bottom: 16px;
}

.page-intro h1,
.form-heading h2,
.payment-card h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.page-intro h1 {
  max-width: 14ch;
  font-size: clamp(29px, 9vw, 42px);
  line-height: 1.02;
}

.page-intro p,
.form-heading > p:last-child,
.payment-lead,
.receipt-success > p {
  margin: 8px 0 0;
  color: var(--muted);
}

.page-intro p {
  font-size: 15px;
}

.product-panel {
  position: relative;
}

.certificate-stage {
  position: relative;
  z-index: 1;
  display: grid;
  width: 100%;
  margin: 0;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px 22px 16px 16px;
  background: var(--surface-strong);
  isolation: isolate;
}

.certificate-stage::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
}

.certificate-canvas {
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
  -webkit-user-drag: none;
  transition: opacity 120ms ease, transform 180ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

.certificate-canvas.is-updating {
  opacity: 0.34;
  transform: translateY(3px) scale(0.97);
}

.amount-dock {
  position: relative;
  z-index: 3;
  margin: -4px 8px 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-top-color: var(--line-strong);
  border-radius: 0 0 18px 18px;
  background: var(--surface-strong);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.2);
}

.amount-options {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}

.amount-option {
  min-width: 0;
  min-height: 48px;
  padding: 8px 4px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 11px;
  color: var(--muted);
  background: transparent;
  font-size: clamp(12px, 3.3vw, 14px);
  font-weight: 650;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.amount-option:hover {
  color: var(--text);
  background: var(--surface-soft);
}

.amount-option[aria-checked="true"] {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 65%, white 8%);
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 18%, transparent);
}

.amount-option:active {
  transform: scale(0.97);
}

.custom-amount {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transform: translateY(-4px);
  transition: grid-template-rows 220ms ease, opacity 160ms ease, transform 220ms ease;
}

.custom-amount.is-visible {
  grid-template-rows: 1fr;
  opacity: 1;
  transform: translateY(0);
}

.custom-amount__inner {
  min-height: 0;
  overflow: hidden;
}

.custom-amount.is-visible .custom-amount__inner {
  padding-top: 13px;
}

.field-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 7px;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}

.field-label span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
}

.input-shell {
  position: relative;
}

.input-shell input {
  width: 100%;
  height: 52px;
  padding: 0 15px;
  border: 1px solid var(--line-strong);
  border-radius: var(--control-radius);
  outline: none;
  color: var(--text);
  background: rgba(0, 0, 0, 0.24);
  font-size: 16px;
  line-height: 1;
  caret-color: var(--focus);
  transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.input-shell input::placeholder {
  color: color-mix(in srgb, var(--muted) 72%, transparent);
  opacity: 1;
}

.input-shell input:hover {
  border-color: color-mix(in srgb, var(--line-strong) 75%, white 25%);
}

.input-shell input:focus {
  border-color: var(--focus);
  background: rgba(0, 0, 0, 0.36);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 18%, transparent);
}

.input-shell input[aria-invalid="true"] {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger) 14%, transparent);
}

.input-shell--amount input {
  padding-right: 48px;
  font-size: 18px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.input-suffix {
  position: absolute;
  top: 50%;
  right: 16px;
  color: var(--muted);
  font-size: 17px;
  transform: translateY(-50%);
  pointer-events: none;
}

.field-meta {
  display: flex;
  min-height: 19px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-top: 5px;
}

.field-hint,
.field-error {
  display: block;
  min-height: 19px;
  font-size: 12px;
  line-height: 1.45;
}

.field-hint {
  color: var(--muted);
}

.field-error {
  color: var(--danger);
}

.contact-panel {
  padding: 19px;
  border: 1px solid var(--line);
  border-radius: 21px;
  background: color-mix(in srgb, var(--surface-strong) 82%, transparent);
}

.form-heading {
  margin-bottom: 20px;
}

.form-step {
  margin: 0 0 6px;
  color: var(--focus);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.form-heading h2 {
  font-size: clamp(24px, 7vw, 31px);
  line-height: 1.08;
}

.form-heading > p:last-child {
  font-size: 13px;
}

.field-group {
  margin-bottom: 13px;
}

.field-group > .field-error {
  margin-top: 4px;
}

.contact-methods {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.contact-methods legend {
  margin-bottom: 8px;
  padding: 0;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}

.segmented-control {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(0, 0, 0, 0.24);
}

.segment {
  position: relative;
  min-width: 0;
}

.segment input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.segment span {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 8px 5px;
  border: 1px solid transparent;
  border-radius: 11px;
  color: var(--muted);
  font-size: clamp(12px, 3.4vw, 14px);
  font-weight: 650;
  line-height: 1;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.segment:hover span {
  color: var(--text);
}

.segment input:checked + span {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 44%, var(--line));
  background: var(--accent-soft);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
}

.segment input:active + span {
  transform: scale(0.97);
}

.conditional-fields {
  min-height: 105px;
}

.conditional-field {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transform: translateY(-4px);
  transition: grid-template-rows 210ms ease, opacity 160ms ease, transform 210ms ease;
}

.conditional-field.is-visible {
  grid-template-rows: 1fr;
  opacity: 1;
  transform: translateY(0);
}

.conditional-field__inner {
  min-height: 0;
  overflow: hidden;
}

.conditional-field.is-visible .conditional-field__inner {
  padding-top: 13px;
}

.conditional-field .field-hint,
.conditional-field .field-error {
  margin-top: 4px;
}

.continue-button {
  display: flex;
  width: 100%;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 4px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--control-radius);
  color: var(--accent-contrast);
  background: var(--accent);
  box-shadow: 0 14px 34px color-mix(in srgb, var(--accent) 28%, transparent);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  transition: transform 160ms ease, filter 160ms ease, box-shadow 160ms ease;
}

.continue-button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  transition: transform 160ms ease;
}

.continue-button:hover {
  filter: brightness(1.08);
  box-shadow: 0 18px 42px color-mix(in srgb, var(--accent) 38%, transparent);
  transform: translateY(-1px);
}

.continue-button:hover svg {
  transform: translateX(3px);
}

.continue-button:active {
  transform: translateY(1px);
}

.continue-button:disabled,
.receipt-select-button:disabled,
.receipt-submit-button:disabled {
  cursor: wait;
  filter: saturate(0.65);
  opacity: 0.7;
}

.submit-error,
.receipt-error {
  display: block;
  min-height: 20px;
  margin-top: 7px;
  color: var(--danger);
  font-size: 12px;
  line-height: 1.4;
}

.payment-card {
  max-width: 680px;
  padding: 26px 18px max(26px, env(safe-area-inset-bottom));
  text-align: center;
}

.success-brand {
  margin-bottom: 24px;
}

.payment-state,
.receipt-success {
  display: flex;
  width: 100%;
  align-items: center;
  flex-direction: column;
}

.success-mark {
  display: grid;
  width: 68px;
  height: 68px;
  margin-bottom: 22px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--accent) 62%, white 12%);
  border-radius: 50%;
  color: var(--text);
  background: var(--accent-soft);
  box-shadow: 0 16px 50px color-mix(in srgb, var(--accent) 20%, transparent);
  animation: success-in 420ms cubic-bezier(0.2, 0.8, 0.25, 1) both;
}

.success-mark svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.payment-card h1 {
  font-size: clamp(34px, 10vw, 48px);
  line-height: 1;
}

.payment-lead,
.receipt-success > p {
  max-width: 420px;
  font-size: 16px;
}

.success-summary {
  margin-top: 18px;
  padding: 11px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: var(--surface-soft);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.payment-amount {
  display: flex;
  width: min(100%, 440px);
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 18px;
  padding: 15px 17px;
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.24);
  text-align: left;
}

.payment-amount span,
.payment-method-card span,
.qr-payment > span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.payment-amount strong {
  color: var(--text);
  font-size: 24px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.payment-method-list {
  display: grid;
  width: min(100%, 440px);
  gap: 12px;
  margin-top: 12px;
}

.payment-method-card,
.qr-payment,
.receipt-panel {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface-strong) 84%, transparent);
}

.payment-method-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px;
  text-align: left;
}

.payment-method-card > div {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.payment-method-card strong {
  overflow-wrap: anywhere;
  font-size: 17px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.payment-method-card small,
.qr-payment small,
.receipt-panel > small {
  color: var(--muted);
  font-size: 11px;
}

.copy-button {
  min-height: 44px;
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  color: var(--text);
  background: var(--surface-soft);
  font-size: 12px;
  font-weight: 650;
}

.qr-payment {
  display: flex;
  align-items: center;
  flex-direction: column;
  padding: 16px;
}

.qr-payment a {
  width: min(76vw, 280px);
  margin: 10px auto 8px;
  overflow: hidden;
  border: 8px solid #fff;
  border-radius: 14px;
  background: #fff;
}

.qr-payment img {
  width: 100%;
  height: auto;
}

.qr-payment small strong {
  color: var(--text);
  white-space: nowrap;
}

.payment-instruction {
  max-width: 440px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.receipt-panel {
  width: min(100%, 440px);
  margin-top: 14px;
  padding: 18px;
}

.receipt-panel h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.1;
}

.receipt-panel > p {
  margin: 3px 0 14px;
  color: var(--muted);
  font-size: 13px;
}

.receipt-select-button,
.receipt-submit-button {
  width: 100%;
  min-height: 48px;
  padding: 11px 16px;
  border: 1px solid transparent;
  border-radius: var(--control-radius);
  color: var(--accent-contrast);
  background: var(--accent);
  font-size: 14px;
  font-weight: 700;
}

.receipt-selection {
  display: grid;
  gap: 10px;
}

.receipt-selection > span {
  overflow: hidden;
  color: var(--text);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.receipt-success {
  min-height: min(560px, calc(100svh - 120px));
  justify-content: center;
}

.contact-shortcuts {
  display: flex;
  gap: 8px;
  margin-top: 20px;
}

.contact-shortcuts a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 8px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text);
  background: var(--surface-soft);
  font-size: 13px;
  font-weight: 650;
}

.edit-button {
  min-height: 44px;
  margin-top: 22px;
  padding: 8px 13px;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  color: var(--muted);
  background: transparent;
  font-size: 13px;
  font-weight: 600;
  transition: color 160ms ease, border-color 160ms ease;
}

.edit-button:hover {
  color: var(--text);
  border-color: var(--focus);
}

:where(button, a, input):focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

@keyframes success-in {
  from {
    opacity: 0;
    transform: scale(0.82);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (min-width: 860px) {
  .checkout-page {
    padding: 28px;
  }

  .brand-header {
    padding: 22px 28px 6px;
  }

  .brand-lockup--image img {
    width: 190px;
  }

  .brand-lockup--morpheus strong {
    font-size: 22px;
  }

  .brand-lockup--morpheus span {
    font-size: 8px;
  }

  .checkout-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(350px, 0.8fr);
    gap: 32px;
    align-items: center;
    padding: 18px 28px 28px;
  }

  .page-intro {
    margin-bottom: 18px;
  }

  .page-intro h1 {
    font-size: 46px;
  }

  .page-intro p {
    font-size: 16px;
  }

  .amount-option,
  .segment span {
    font-size: 14px;
  }

  .contact-panel {
    padding: 24px;
  }

  .form-heading h2 {
    font-size: 31px;
  }

  .payment-card {
    padding: 34px 32px 40px;
  }
}

@media (max-width: 389px) {
  .checkout-page {
    padding-right: 9px;
    padding-left: 9px;
  }

  .brand-header {
    padding-right: 14px;
    padding-left: 14px;
  }

  .brand-lockup--image img {
    width: 154px;
  }

  .checkout-grid {
    padding-right: 14px;
    padding-left: 14px;
  }

  .contact-panel {
    padding: 16px;
  }

  .amount-dock {
    margin-right: 5px;
    margin-left: 5px;
    padding: 8px;
  }

  .amount-options {
    gap: 3px;
  }

  .amount-option {
    min-height: 46px;
    font-size: 11.5px;
  }

  .segment span {
    font-size: 12px;
  }

  .payment-card {
    padding-right: 14px;
    padding-left: 14px;
  }

  .payment-method-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .copy-button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}