.start-main {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 70px 0 104px;
  display: grid;
  grid-template-columns: minmax(340px, 0.82fr) minmax(540px, 1.18fr);
  gap: clamp(48px, 6vw, 82px);
  align-items: start;
}

.start-intro {
  position: sticky;
  top: 28px;
}

.start-intro > h1 {
  max-width: 510px;
  margin: 18px 0 18px;
  font-size: clamp(54px, 5.5vw, 78px);
  line-height: 0.94;
  letter-spacing: -0.064em;
  font-weight: 640;
}

.start-intro > p {
  margin: 0;
  color: #c4bfd3;
  font-size: 16px;
  line-height: 1.55;
}

.start-pet-stage {
  position: relative;
  min-height: 370px;
  margin-top: 34px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 32px;
  background:
    radial-gradient(circle at 50% 77%, rgba(140, 231, 245, 0.21), transparent 34%),
    linear-gradient(145deg, rgba(39, 31, 81, 0.92), rgba(13, 18, 36, 0.98));
  box-shadow: 0 32px 90px rgba(3, 2, 13, 0.44);
}

.start-pet-stage::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: auto 23% 7% 23%;
  height: 48px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(140, 231, 245, 0.24), transparent 70%);
  filter: blur(8px);
}

.start-stage-label {
  position: absolute;
  z-index: 3;
  top: 24px;
  left: 25px;
  display: grid;
  gap: 7px;
}

.start-stage-label span {
  color: var(--cyan);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.start-stage-label strong {
  font-size: 15px;
  letter-spacing: -0.02em;
}

#startCanvas {
  position: absolute;
  z-index: 2;
  inset: 0;
  width: 100%;
  height: 100%;
}

.start-pet-stage.preview-unavailable #startCanvas { display: none; }
.start-pet-stage.preview-unavailable::after {
  content: "Preview unavailable";
  inset: 0;
  height: auto;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: none;
  filter: none;
  font-size: 11px;
}

.start-steps {
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  list-style: none;
}

.start-steps li {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 15px 12px;
  border-top: 1px solid var(--line);
  color: #aaa5ba;
}

.start-steps span {
  color: inherit;
  font: 700 8px ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.08em;
}

.start-steps strong {
  font-size: 10px;
  font-weight: 650;
}

.start-steps .active {
  border-color: var(--cyan);
  color: var(--ink);
}

.start-steps .active span { color: var(--cyan); }

.passport-card {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 32px;
  background:
    linear-gradient(160deg, rgba(35, 29, 64, 0.9), rgba(20, 18, 38, 0.94));
  box-shadow: 0 34px 100px rgba(3, 2, 13, 0.5);
}

.passport-heading {
  padding: 38px 36px 34px;
}

.passport-heading h2 {
  margin: 14px 0 10px;
  font-size: clamp(40px, 4vw, 55px);
  line-height: 1;
  letter-spacing: -0.055em;
}

.passport-heading p {
  margin: 0;
  color: #bcb6cc;
  font-size: 12px;
}

.passport-form {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.passport-form .form-section {
  min-width: 0;
  margin: 0;
  padding: 29px 36px 32px;
  border: 0;
  border-top: 1px solid var(--line);
}

.passport-form .form-section > legend {
  width: 100%;
  margin: 0 0 22px;
  padding: 0;
  color: var(--ink);
}

.passport-form .form-section > legend > strong {
  font-size: 16px;
  letter-spacing: -0.01em;
}

.passport-form .field-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 13px;
}

.passport-form label {
  display: grid;
  gap: 8px;
  margin: 0 0 17px;
  color: #cbc6d8;
  font-size: 11px;
}

.passport-form .field-label,
.passport-form .choice-group > legend {
  color: #cbc6d8;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.passport-form input:not([type="radio"]):not([type="checkbox"]),
.passport-form select,
.passport-form textarea {
  width: 100%;
  min-height: 50px;
  padding: 13px 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 13px;
  outline: 0;
  color: var(--ink);
  background: rgba(7, 7, 18, 0.5);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.025);
  resize: vertical;
  transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.passport-form input::placeholder,
.passport-form textarea::placeholder {
  color: rgba(190, 184, 207, 0.48);
}

.passport-form select { cursor: pointer; }
.passport-form textarea { min-height: 110px; line-height: 1.5; }

.passport-form input:not([type="radio"]):not([type="checkbox"]):focus,
.passport-form select:focus,
.passport-form textarea:focus {
  border-color: rgba(140, 231, 245, 0.58);
  background: rgba(8, 8, 21, 0.76);
  box-shadow: 0 0 0 4px rgba(140, 231, 245, 0.075);
}

.passport-form.was-validated input:not([type="radio"]):not([type="checkbox"]):invalid,
.passport-form.was-validated select:invalid,
.passport-form.was-validated textarea:invalid {
  border-color: rgba(240, 141, 168, 0.7);
  box-shadow: 0 0 0 3px rgba(240, 141, 168, 0.07);
}

.field-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: #aaa4b7;
  font-size: 10px;
  line-height: 1.4;
}

.field-meta output { flex: none; }

.passport-form .choice-group {
  min-width: 0;
  margin: 0 0 18px;
  padding: 0;
  border: 0;
}

.passport-form .choice-group > legend {
  margin-bottom: 8px;
  padding: 0;
}

.choice-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.passport-form .choice-pill,
.passport-form .workflow-choice {
  position: relative;
  margin: 0;
  display: block;
  cursor: pointer;
}

.passport-form .choice-pill input,
.passport-form .workflow-choice input {
  position: absolute;
  width: 1px;
  height: 1px;
  min-height: 0;
  margin: 0;
  opacity: 0;
}

.choice-pill > span {
  min-height: 43px;
  padding: 0 12px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: #aaa5bb;
  background: rgba(7, 7, 18, 0.38);
  font-size: 10px;
  font-weight: 650;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}

.choice-pill input:checked + span {
  border-color: rgba(140, 231, 245, 0.52);
  color: var(--ink);
  background: rgba(140, 231, 245, 0.1);
}

.choice-pill input:focus-visible + span,
.workflow-choice input:focus-visible + span {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.passport-form.was-validated .choice-group:has(input:invalid) .choice-row,
.passport-form.was-validated .workflow-grid:has(input:invalid) {
  border-color: rgba(240, 141, 168, 0.64);
}

.passport-form.was-validated .choice-pill input:invalid + span,
.passport-form.was-validated .workflow-choice input:invalid + span {
  border-color: rgba(240, 141, 168, 0.64);
}

.workflow-grid {
  padding: 7px;
  display: grid;
  gap: 7px;
  border: 1px solid transparent;
  border-radius: 17px;
}

.workflow-choice > span {
  min-height: 67px;
  padding: 13px 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  color: #c7c2d3;
  background: rgba(7, 7, 18, 0.35);
  transition: border-color 160ms ease, background 160ms ease;
}

.workflow-choice > span::after {
  content: "";
  width: 16px;
  height: 16px;
  flex: none;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 50%;
  box-shadow: inset 0 0 0 4px transparent;
}

.workflow-choice > span > span { display: block; }

.workflow-choice strong,
.workflow-choice small {
  display: block;
}

.workflow-choice strong {
  color: var(--ink);
  font-size: 11px;
}

.workflow-choice small {
  margin-top: 5px;
  color: #8f899f;
  font-size: 9px;
}

.workflow-choice input:checked + span {
  border-color: rgba(159, 140, 255, 0.55);
  background: rgba(159, 140, 255, 0.09);
}

.workflow-choice input:checked + span::after {
  border-color: var(--cyan);
  background: var(--cyan);
  box-shadow: inset 0 0 0 4px #27233d;
}

.form-finish {
  padding: 31px 36px 35px;
  border-top: 1px solid var(--line);
  background: rgba(8, 8, 20, 0.22);
}

.passport-form .consent-row {
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 11px;
  margin: 0 0 25px;
  cursor: pointer;
  line-height: 1.45;
}

.passport-form .consent-row input {
  width: 19px;
  height: 19px;
  min-height: 0;
  margin: 0;
  accent-color: var(--cyan);
}

.passport-form .consent-row input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.passport-form.was-validated .consent-row input:invalid {
  outline: 2px solid rgba(240, 141, 168, 0.75);
  outline-offset: 2px;
}

.form-action-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
}

.form-assurance {
  display: grid;
  gap: 4px;
}

.form-assurance strong {
  color: #d9d4e5;
  font-size: 10px;
}

.form-assurance span {
  color: #8f899e;
  font-size: 9px;
}

.passport-form .form-submit {
  width: auto;
  min-width: 196px;
  border: 1px solid rgba(140, 231, 245, 0.45);
}

.passport-form .form-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  filter: saturate(0.55);
}

.form-status {
  min-height: 0;
  margin: 15px 0 0;
  color: var(--cyan);
  font-size: 10px;
  line-height: 1.45;
  text-align: center;
}

.form-status:empty { display: none; }

.form-fallback {
  display: block;
  margin-top: 8px;
  color: var(--cyan);
  font-size: 10px;
  text-align: center;
}

.form-fallback[hidden] { display: none; }

.form-privacy {
  margin: 15px 0 0;
  color: #a39daf;
  font-size: 10px;
  text-align: center;
}

.form-noscript {
  margin: 10px 0 0;
  color: #aaa4b7;
  font-size: 10px;
  text-align: center;
}

.form-noscript a { color: var(--cyan); }

.start-footer { width: min(1180px, calc(100% - 48px)); }

@media (max-width: 1000px) {
  .start-main {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .start-intro {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 42px;
    align-items: end;
  }

  .start-intro > .launch-kicker,
  .start-intro > h1,
  .start-intro > p { grid-column: 1; }
  .start-pet-stage { grid-column: 2; grid-row: 1 / span 4; margin-top: 0; }
  .start-steps { grid-column: 1; }
}

@media (max-width: 700px) {
  .start-main,
  .start-footer {
    width: min(100% - 28px, 1180px);
  }

  .start-main { padding: 50px 0 76px; }
  .start-intro { display: block; }
  .start-intro > h1 { max-width: 580px; font-size: clamp(52px, 16vw, 68px); }
  .start-pet-stage { min-height: 350px; margin-top: 31px; border-radius: 26px; }
  .passport-card { border-radius: 26px; }
  .passport-heading { padding: 30px 23px 27px; }
  .passport-form .form-section { padding: 26px 23px 28px; }
  .passport-form .field-pair { grid-template-columns: 1fr; gap: 0; }
  .form-finish { padding: 27px 23px 30px; }
  .form-action-row { grid-template-columns: 1fr; }
  .form-assurance { text-align: center; }
  .passport-form .form-submit { width: 100%; }
}

@media (max-width: 420px) {
  .choice-row { grid-template-columns: 1fr 1fr; }
  .choice-pill > span { min-height: 40px; }
  .workflow-choice > span { align-items: flex-start; }
  .start-stage-label { top: 20px; left: 20px; }
  .start-steps li { padding-inline: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .passport-form input,
  .passport-form select,
  .passport-form textarea,
  .choice-pill > span,
  .workflow-choice > span { transition: none; }
}