:root {
  --canvas: #f8f8f8;
  --white: #ffffff;
  --blue: #070154;
  --highlight-blue: #0047ff;
  --magenta: #f900d3;
  --dark-gray: #50658e;
  --medium-gray: #ced7e6;
  --light-gray: #e8eef8;
  --success: #1dd566;
  --spacing: 8px;
  --shadowless-border: 1px solid var(--medium-gray);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--blue);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.3;
}

button, textarea, select { font: inherit; }

button, select { cursor: pointer; }

button:focus-visible, textarea:focus-visible, select:focus-visible, a:focus-visible {
  outline: 3px solid var(--magenta);
  outline-offset: 3px;
}

.site-header, main { width: min(1184px, calc(100% - 48px)); margin-inline: auto; }

.site-header {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: var(--shadowless-border);
}

.wordmark { color: var(--blue); text-decoration: none; display: flex; align-items: center; gap: 12px; }
.wordmark-logo { display: block; width: 153px; height: auto; }
.wordmark-divider { color: var(--blue); font-size: 20px; font-weight: 400; line-height: 1; }
.wordmark-product { color: var(--dark-gray); font-size: 14px; white-space: nowrap; }

.breadcrumbs { background: var(--light-gray); color: var(--blue); overflow-x: auto; scrollbar-color: var(--medium-gray) var(--light-gray); scrollbar-width: thin; }
.breadcrumbs:focus-visible { outline: 3px solid var(--magenta); outline-offset: -3px; }
.breadcrumb-inner { width: min(1184px, calc(100% - 48px)); min-height: 44px; margin-inline: auto; padding-block: 8px; display: flex; align-items: center; white-space: nowrap; }
.breadcrumb-list { flex: 0 0 auto; display: flex; flex-wrap: nowrap; align-items: center; gap: 12px; list-style: none; margin: 0; padding: 0; color: var(--dark-gray); font-family: Arial, Helvetica, sans-serif; font-size: 14px; font-weight: 500; line-height: 1.3; white-space: nowrap; }
.breadcrumb-list li { display: flex; align-items: center; gap: 12px; white-space: nowrap; }
.breadcrumb-separator { color: var(--magenta); }
.breadcrumb-current { color: var(--blue); font-weight: 700; }

.intro-grid { padding: 40px 0 32px; display: grid; grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr); gap: 48px; align-items: end; }
.eyebrow { margin: 0 0 16px; font-family: "IBM Plex Sans", Arial, sans-serif; font-weight: 700; font-size: 13px; letter-spacing: 0.1em; line-height: 1.3; color: var(--highlight-blue); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: "IBM Plex Sans", Arial, sans-serif; }
h1 { margin-bottom: 16px; font-size: clamp(40px, 5vw, 58px); line-height: 1.02; letter-spacing: -0.045em; font-weight: 700; }
h1 span { color: var(--magenta); }
.intro-lede { max-width: 520px; margin-bottom: 0; color: var(--dark-gray); font-size: 18px; line-height: 1.45; }

.flow-map { padding: 20px 0 0 24px; border-left: 2px solid var(--magenta); }
.flow-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.flow-heading .eyebrow { margin-bottom: 0; }
.flow-caption { margin: 0; color: var(--dark-gray); font-size: 13px; }
.flow-steps { display: grid; grid-template-columns: minmax(0, 1fr) 32px minmax(0, 1fr) 32px minmax(0, 1fr); align-items: stretch; gap: 8px; }
.flow-step { display: grid; grid-template-columns: auto 1fr; gap: 10px; min-width: 0; padding: 14px 12px; border: 1px solid var(--medium-gray); background: var(--white); }
.flow-number { color: var(--dark-gray); font-family: "IBM Plex Mono", monospace; font-size: 12px; line-height: 1.3; }
.flow-label, .flow-detail { display: block; }
.flow-label { font-family: "IBM Plex Sans", Arial, sans-serif; font-weight: 700; font-size: 15px; line-height: 1.3; }
.flow-detail { margin-top: 4px; color: var(--dark-gray); font-size: 12px; line-height: 1.3; }
.flow-step.is-active { border-color: var(--highlight-blue); border-width: 2px; padding: 13px 11px; }
.flow-step.is-active .flow-number, .flow-step.is-active .flow-label { color: var(--highlight-blue); }
.flow-step.is-complete { background: var(--light-gray); border-color: var(--blue); }
.flow-step.is-complete .flow-number { color: var(--blue); }
.flow-line { align-self: center; height: 1px; background: var(--medium-gray); }

.workspace { display: grid; grid-template-columns: minmax(300px, 0.7fr) minmax(0, 1.5fr); gap: 24px; align-items: stretch; }
.prompt-panel, .guide-panel, .result-panel { background: var(--white); border: var(--shadowless-border); }
.prompt-panel { padding: 40px; }
.panel-heading { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; margin-bottom: 40px; }
.panel-heading h2, .guide-panel h2, .result-panel h2 { margin-bottom: 0; font-size: 25px; line-height: 1.18; letter-spacing: -0.02em; }
.step-badge, .iteration-chip { color: var(--highlight-blue); border: 1px solid var(--highlight-blue); padding: 7px 10px; font-family: "IBM Plex Sans", Arial, sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 0.08em; white-space: nowrap; }
.field-label { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; margin-bottom: 10px; font-weight: 700; color: var(--blue); }
.required { color: var(--dark-gray); font-size: 12px; font-weight: 400; }
textarea, select { width: 100%; border: 1px solid var(--dark-gray); border-radius: 0; background: var(--white); color: var(--blue); }
textarea { display: block; resize: vertical; padding: 16px; font-size: 16px; line-height: 1.5; }
textarea::placeholder { color: #6d7c9b; }
textarea:hover, select:hover { border-color: var(--highlight-blue); }
select { min-height: 48px; padding: 10px 14px; appearance: auto; }
.field-meta, .result-hint { display: flex; justify-content: space-between; gap: 16px; margin-top: 8px; color: var(--dark-gray); font-size: 12px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.action-row, .result-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.action-row { justify-content: space-between; margin-top: 32px; }
.button { border: 1px solid var(--blue); border-radius: 80px; min-height: 48px; padding: 0 18px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; font-weight: 700; transition: background-color 140ms ease, color 140ms ease, border-color 140ms ease; }
.button-primary { background: var(--blue); color: var(--white); }
.button-primary:hover { background: var(--highlight-blue); border-color: var(--highlight-blue); }
.button-secondary { background: transparent; color: var(--blue); }
.button-secondary:hover { background: var(--light-gray); }
.button-mark { color: var(--magenta); font-size: 20px; line-height: 0; }
.privacy-note { display: flex; align-items: center; gap: 8px; margin: 24px 0 0; color: var(--dark-gray); font-size: 12px; }
.privacy-dot { width: 8px; height: 8px; background: var(--success); border-radius: 50%; display: inline-block; }
.form-status { min-height: 19px; margin: 10px 0 0; color: #b21b00; font-size: 13px; }

.guide-panel { order: -1; padding: 32px; background: var(--blue); color: var(--white); border-color: var(--blue); display: flex; flex-direction: column; }
.guide-topline { display: flex; align-items: center; gap: 12px; color: var(--white); }
.guide-topline .eyebrow { color: var(--white); margin-bottom: 0; }
.guide-icon { display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid var(--magenta); color: var(--magenta); font-size: 18px; }
.guide-panel h2 { margin: 44px 0 16px; max-width: 320px; font-size: 32px; line-height: 1.08; }
.guide-panel > p { max-width: 320px; margin-bottom: 24px; color: #dfe5f2; line-height: 1.45; }
.signal-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid #43528b; }
.signal-list li { display: flex; gap: 18px; align-items: flex-start; padding: 18px 0; border-bottom: 1px solid #43528b; }
.signal-list li > span { color: var(--magenta); font-family: "IBM Plex Mono", monospace; font-size: 12px; }
.signal-list strong, .signal-list small { display: block; }
.signal-list strong { margin-bottom: 4px; font-family: "IBM Plex Sans", Arial, sans-serif; font-size: 15px; }
.signal-list small { color: #dfe5f2; font-size: 14px; }
.guide-callout { margin-top: auto; padding-top: 32px; display: grid; grid-template-columns: auto 1fr; gap: 16px; border-top: 1px solid #43528b; }
.guide-callout span { color: var(--magenta); font-family: "IBM Plex Sans", Arial, sans-serif; font-weight: 700; font-size: 13px; }
.guide-callout p { color: #dfe5f2; font-size: 14px; line-height: 1.45; margin-bottom: 0; }

.result-panel { margin-top: 24px; padding: 40px; border-top: 4px solid var(--magenta); }
.is-hidden { display: none; }
.result-header { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; margin-bottom: 32px; }
.result-header-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.result-kicker { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; color: var(--highlight-blue); font-family: "IBM Plex Sans", Arial, sans-serif; font-size: 12px; font-weight: 700; letter-spacing: 0.1em; }
.success-mark { display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: var(--success); color: var(--blue); font-size: 13px; letter-spacing: 0; }
.result-layout { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr); gap: 32px; }
.revised-block textarea { background: #fbfcff; border-color: var(--medium-gray); }
.result-actions { margin-top: 16px; }
.button-small { min-height: 42px; font-size: 14px; }
.result-hint { justify-content: flex-start; margin-bottom: 0; }
.questions-block { padding-left: 32px; border-left: 1px solid var(--medium-gray); }
.questions-heading .eyebrow { margin-bottom: 10px; }
.questions-heading h3 { margin-bottom: 24px; font-size: 21px; line-height: 1.25; }
#questionsList { margin: 0; padding: 0; list-style: none; counter-reset: question; }
#questionsList li { counter-increment: question; position: relative; padding: 0 0 20px 36px; color: var(--dark-gray); line-height: 1.45; }
#questionsList li::before { content: counter(question, decimal-leading-zero); position: absolute; left: 0; top: 0; color: var(--magenta); font-family: "IBM Plex Mono", monospace; font-size: 12px; font-weight: 700; }
.questions-empty { margin: 0 0 20px; color: var(--dark-gray); line-height: 1.45; }
.text-button { margin-top: 6px; padding: 8px 0; border: 0; background: transparent; color: var(--highlight-blue); font-weight: 700; }
.text-button:hover { color: var(--magenta); }

.site-footer { width: 100%; background: #070154; color: var(--white); }
.footer-inner { width: min(1312px, calc(100% - 128px)); margin-inline: auto; padding: 40px 0 28px; display: grid; gap: 20px; }
.footer-top, .footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-logo-link { display: inline-flex; align-items: center; }
.footer-logo { display: block; width: 172px; max-width: 45vw; height: auto; }
.site-footer a:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }
.footer-social-list, .footer-link-list { display: flex; align-items: center; list-style: none; padding: 0; margin: 0; }
.footer-social-list { gap: 12px; }
.footer-social-link { display: inline-flex; min-width: 24px; min-height: 24px; align-items: center; justify-content: center; }
.footer-social-link img { display: block; width: auto; height: 16px; }
.footer-bottom { font-size: 12px; line-height: 1.3; }
.footer-copyright { margin: 0; white-space: nowrap; }
.footer-link-list { flex-wrap: wrap; justify-content: flex-end; column-gap: 20px; row-gap: 8px; }
.footer-link-list a { color: inherit; text-decoration: none; }
.footer-link-list a:hover { text-decoration: underline; }

@media (max-width: 840px) {
  .site-header, main { width: min(100% - 32px, 680px); }
  .site-header { min-height: 72px; }
  .intro-grid { padding: 32px 0 24px; grid-template-columns: 1fr; gap: 24px; }
  .flow-map { max-width: none; }
  .workspace, .result-layout { grid-template-columns: 1fr; }
  .guide-panel { order: initial; min-height: auto; }
  .guide-panel h2 { margin-top: 32px; }
  .guide-callout { margin-top: 32px; }
  .questions-block { padding: 32px 0 0; border-left: 0; border-top: 1px solid var(--medium-gray); }
}

@media (max-width: 760px) {
  .footer-inner { width: calc(100% - 48px); padding: 32px 0 24px; gap: 24px; }
  .footer-top, .footer-bottom { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer-links { width: 100%; }
  .footer-link-list { justify-content: flex-start; column-gap: 20px; }
  .footer-copyright { white-space: normal; }
}

@media (max-width: 560px) {
  .site-header, main { width: min(100% - 24px, 480px); }
  .breadcrumb-inner { width: min(100% - 24px, 480px); }
  .breadcrumb-list { gap: 8px; font-size: 12px; }
  .breadcrumb-list li { gap: 8px; }
  .wordmark-product { font-size: 13px; }
  h1 { font-size: 44px; }
  .wordmark-logo { width: 116px; }
  .flow-map { padding-left: 16px; }
  .flow-heading { display: block; }
  .flow-caption { margin-top: 4px; }
  .flow-steps { grid-template-columns: 1fr; gap: 8px; }
  .flow-line { width: 1px; height: 8px; margin-left: 18px; }
  .prompt-panel, .result-panel { padding: 24px; }
  .field-grid { grid-template-columns: 1fr; }
  .panel-heading, .result-header { flex-direction: column; gap: 16px; margin-bottom: 28px; }
  .result-header-actions { width: 100%; justify-content: space-between; }
  .action-row { align-items: stretch; }
  .action-row .button { width: 100%; }
  .result-actions .button { flex: 1; }
  .footer-social-list { gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}