:root {
  /* The Idea Suite — light */
  --ink:        #14181C;   /* near-black text */
  --ink-soft:   #3A424B;   /* secondary text */
  --muted:      #6B7480;   /* muted labels */
  --faint:      #97A0AB;   /* faintest */
  --line:       #E3E7EC;   /* borders */
  --line-soft:  #EEF1F4;   /* hairlines */
  --paper:      #FFFFFF;   /* cards */
  --bg:         #F5F7F9;   /* page */

  /* Brand accents (pulled from theideasuite.com) */
  --cyan:       #00A7CC;
  --cyan-deep:  #0088A5;
  --cyan-soft:  rgba(0, 167, 204, 0.10);
  --cyan-edge:  rgba(0, 167, 204, 0.40);
  --coral:      #F0523D;
  --coral-deep: #D8412C;
  --coral-soft: rgba(240, 82, 61, 0.10);
  --coral-edge: rgba(240, 82, 61, 0.38);

  --grad-sweep: linear-gradient(120deg, #00A7CC 0%, #2bc0d8 40%, #F0523D 100%);

  --sans: 'Figtree', 'Proxima Nova', 'Helvetica Neue', Arial, sans-serif;
  --serif: 'EB Garamond', 'Adobe Garamond Pro', Georgia, serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100%;
}

/* ---------- Background bloom (light, airy) ---------- */
.hero-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(1100px 600px at 82% -12%, rgba(0, 167, 204, 0.14), transparent 70%),
    radial-gradient(820px 520px at 4% 108%, rgba(240, 82, 61, 0.10), transparent 70%);
  animation: drift 28s ease-in-out infinite alternate;
}
@keyframes drift {
  0%   { transform: translate3d(0, 0, 0) scale(1.0); }
  100% { transform: translate3d(1%, -0.5%, 0) scale(1.04); }
}
@media (prefers-reduced-motion: reduce) { .hero-bg { animation: none; } }

/* ---------- Top bar ---------- */
.topbar {
  position: relative;
  z-index: 5;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(12px);
}
.topbar__inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 16px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  text-decoration: none;
}
.brand__mark {
  color: var(--ink);
  font-weight: 800;
  letter-spacing: -0.01em;
  font-size: 18px;
  transition: color 0.2s;
}
.brand__mark::first-letter { color: var(--cyan); }
.brand:hover .brand__mark { color: var(--cyan-deep); }
.brand__sep { color: var(--faint); font-weight: 300; }
.brand__sub {
  color: var(--muted);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.04em;
  font-family: var(--serif);
  font-style: italic;
}
@media (max-width: 540px) { .brand__sep, .brand__sub { display: none; } }
.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: right;
}

/* ---------- Page shell ---------- */
.page {
  position: relative;
  z-index: 2;
  max-width: 880px;
  margin: 0 auto;
  padding: 64px 28px 80px;
}

/* ---------- Intro ---------- */
.intro { margin-bottom: 36px; text-align: left; }
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan-deep);
  margin: 0 0 22px;
}
.title {
  margin: 0 0 26px;
  font-weight: 800;
  font-size: clamp(40px, 7vw, 70px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  color: var(--ink);
  font-family: var(--sans);
}
.title__line { display: block; }
.title__line--accent {
  background: var(--grad-sweep);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-right: 4px;
}
.lede {
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 660px;
  margin: 0 0 18px;
}
.lede strong { color: var(--ink); font-weight: 600; }
.signoff {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  margin: 0;
  line-height: 1.6;
  letter-spacing: 0.02em;
}

/* ---------- Frame quote ---------- */
.frame-quote {
  position: relative;
  margin: 0 0 38px;
  padding: 22px 28px 22px 32px;
  border-radius: 0 12px 12px 0;
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.5;
  color: var(--ink-soft);
  background: linear-gradient(90deg, rgba(0,167,204,0.07), rgba(240,82,61,0.04) 55%, rgba(240,82,61,0.0) 92%);
}
.frame-quote::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--coral) 100%);
  border-radius: 3px 0 0 3px;
}
.frame-quote p { margin: 0; }
.frame-quote p + p { margin-top: 10px; }
.frame-quote strong { color: var(--ink); font-weight: 600; }
.frame-quote__cite {
  font-family: var(--mono) !important;
  font-size: 12px !important;
  letter-spacing: 0.1em;
  color: var(--muted) !important;
  font-style: normal;
}
@media (max-width: 640px) {
  .frame-quote { padding: 18px 20px 18px 24px; font-size: 17px; margin-bottom: 30px; }
}

/* ---------- Survey card ---------- */
.surveycard {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 44px 40px 36px;
  box-shadow:
    0 1px 0 rgba(20,24,28,0.02),
    0 30px 60px -34px rgba(20,24,28,0.22);
  position: relative;
  overflow: hidden;
}
.surveycard::before {
  content: "";
  position: absolute;
  top: 0; left: -50%; right: -50%;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, #00A7CC 25%, #F0523D 50%, #00A7CC 75%, transparent 100%);
  background-size: 200% 100%;
  animation: shimmer 6s linear infinite;
}
@keyframes shimmer { 0% { background-position: 0% 0%; } 100% { background-position: 200% 0%; } }
@media (prefers-reduced-motion: reduce) {
  .surveycard::before { animation: none; background: var(--grad-sweep); left: 0; right: 0; }
}
@media (max-width: 640px) {
  .surveycard { padding: 24px 18px 22px; border-radius: 14px; }
  .topbar__inner { padding: 12px 18px; gap: 12px; flex-wrap: wrap; }
  .page { padding: 36px 18px 48px; }
  .intro { margin-bottom: 30px; }
  .lede { font-size: 16px; }
  .brand__mark { font-size: 15px; }
  .kicker { font-size: 10px; }
}

/* ---------- Inline context blocks ---------- */
.q-context {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.6;
  padding: 14px 18px;
  border-left: 3px solid var(--cyan);
  background: var(--cyan-soft);
  border-radius: 0 8px 8px 0;
}
.q-context strong { color: var(--ink); }

/* ---------- SurveyJS light theme ---------- */
.sd-root-modern {
  background: transparent !important;
  font-family: var(--sans) !important;
  --primary: var(--cyan) !important;
  --primary-foreground: #ffffff !important;
  --background: transparent !important;
  --background-dim: #F2F5F7 !important;
  --background-dim-light: #F8FAFB !important;
  --foreground: var(--ink) !important;
  --foreground-light: var(--muted) !important;
  --border: var(--line) !important;
  --border-light: var(--line-soft) !important;
}
.sd-container-modern { background: transparent !important; }
.sd-body { background: transparent !important; padding: 0 !important; }
.sd-page { background: transparent !important; padding: 0 !important; }
.sd-page__title { color: var(--ink) !important; font-family: var(--sans) !important; font-weight: 800 !important; letter-spacing: -0.02em; font-size: 26px !important; }
.sd-page__description { color: var(--muted) !important; font-size: 15px !important; margin-top: 6px !important; }

.sd-question {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 0 26px !important;
  margin-bottom: 28px !important;
  border-bottom: 1px solid var(--line-soft);
}
.sd-question:last-of-type { border-bottom: none; margin-bottom: 8px; }
.sd-question__title {
  color: var(--ink) !important;
  font-weight: 600 !important;
  font-size: 19px !important;
  line-height: 1.4 !important;
  letter-spacing: -0.01em;
  font-family: var(--sans) !important;
}
.sd-question__description {
  color: var(--muted) !important;
  font-size: 14px !important;
  line-height: 1.55 !important;
  margin-top: 8px !important;
}

/* Choices */
.sd-item, .sd-selectbase__item { margin-bottom: 8px !important; }
.sd-item__control-label { color: var(--ink-soft) !important; font-size: 15px !important; line-height: 1.5; }
.sd-item__decorator,
.sd-checkbox__decorator,
.sd-radio__decorator {
  border: 1.5px solid var(--line) !important;
  background: #FFFFFF !important;
  transition: all 0.15s ease;
}
.sd-item--checked .sd-item__decorator,
.sd-item--checked .sd-checkbox__decorator,
.sd-item--checked .sd-radio__decorator {
  border-color: var(--cyan) !important;
  background: var(--cyan) !important;
}
.sd-checkbox__svgicon { fill: #ffffff !important; }
.sd-radio--checked .sd-radio__svgicon { fill: #ffffff !important; }
.sd-radio__decorator::after { background: #ffffff !important; }
.sd-item:hover .sd-item__decorator { border-color: var(--cyan-deep) !important; }
.sd-item--checked:hover .sd-item__decorator { border-color: var(--cyan-deep) !important; }

/* Text input + textarea */
.sd-input, .sd-comment {
  background: #FFFFFF !important;
  border: 1px solid var(--line) !important;
  color: var(--ink) !important;
  border-radius: 9px !important;
  padding: 12px 14px !important;
  font-size: 15px !important;
  font-family: var(--sans) !important;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.sd-input:focus, .sd-comment:focus {
  outline: none !important;
  border-color: var(--cyan) !important;
  box-shadow: 0 0 0 3px var(--cyan-soft) !important;
}
.sd-input::placeholder, .sd-comment::placeholder { color: var(--faint) !important; }

/* Dropdown */
.sd-dropdown { background: #FFFFFF !important; border-color: var(--line) !important; color: var(--ink) !important; }

/* Rating (1–10 scales) */
.sd-rating { display: flex !important; gap: 6px !important; flex-wrap: wrap !important; align-items: center; }
.sd-rating__item {
  background: #FFFFFF !important;
  color: var(--ink-soft) !important;
  border: 1px solid var(--line) !important;
  border-radius: 9px !important;
  min-width: 44px !important;
  height: 44px !important;
  font-weight: 600 !important;
  font-family: var(--mono) !important;
  transition: all 0.15s;
}
.sd-rating__item:hover { border-color: var(--cyan) !important; color: var(--ink) !important; }
.sd-rating__item--selected {
  background: var(--cyan) !important;
  color: #ffffff !important;
  border-color: var(--cyan) !important;
  box-shadow: 0 6px 16px -8px var(--cyan-edge) !important;
}
.sd-rating__min-text, .sd-rating__max-text {
  color: var(--muted) !important;
  font-size: 12px !important;
  font-family: var(--mono) !important;
  letter-spacing: 0.03em;
}

/* Matrix (confidence + topic-value grids) */
.sd-table, .sd-matrix__table { background: transparent !important; }
.sd-table__cell { color: var(--ink-soft) !important; border-color: var(--line-soft) !important; }
.sd-table__cell--header { color: var(--muted) !important; font-family: var(--mono) !important; font-size: 11px !important; font-weight: 500 !important; letter-spacing: 0.02em; }
.sd-matrix__row-text, .sd-table__cell--row-text { color: var(--ink) !important; font-weight: 500 !important; font-size: 14px !important; }
.sd-matrix tr { border-bottom: 1px solid var(--line-soft); }
.sd-matrix .sd-radio__decorator { width: 22px !important; height: 22px !important; }
.sd-table__cell--row-text { padding-right: 14px !important; }

/* Buttons + nav */
.sd-btn, .sd-action {
  background: #FFFFFF !important;
  color: var(--ink) !important;
  border: 1px solid var(--line) !important;
  border-radius: 9px !important;
  font-weight: 500 !important;
  padding: 12px 22px !important;
  font-size: 14px !important;
  letter-spacing: 0.01em;
  transition: all 0.18s;
  cursor: pointer;
  box-shadow: none !important;
}
.sd-btn:hover { border-color: var(--cyan) !important; color: var(--cyan-deep) !important; }
.sd-btn--action,
.sd-navigation__complete-btn,
.sd-navigation__next-btn {
  background: var(--cyan) !important;
  color: #ffffff !important;
  border: none !important;
  font-weight: 600 !important;
  padding: 14px 30px !important;
  box-shadow: 0 8px 22px -10px var(--cyan-edge) !important;
}
.sd-btn--action:hover,
.sd-navigation__complete-btn:hover,
.sd-navigation__next-btn:hover {
  background: var(--cyan-deep) !important;
  transform: translateY(-1px);
  box-shadow: 0 12px 28px -10px var(--cyan-edge) !important;
}
.sd-navigation__complete-btn { background: var(--coral) !important; box-shadow: 0 8px 22px -10px var(--coral-edge) !important; }
.sd-navigation__complete-btn:hover { background: var(--coral-deep) !important; }

/* Progress bar */
.sd-progress { background: var(--line-soft) !important; }
.sd-progress__bar { background: var(--grad-sweep) !important; }
.sd-progress-buttons__list li.sd-progress-buttons__list-element--current .sd-progress-buttons__page-title { color: var(--cyan-deep) !important; }
.sd-progress__text, .sd-progress-buttons__page-title { color: var(--muted) !important; font-family: var(--mono); font-size: 11px; letter-spacing: 0.05em; }
.sd-progress-buttons__connector { background: var(--line) !important; }
.sd-progress-buttons__button { background: #FFFFFF !important; border-color: var(--line) !important; }
.sd-progress-buttons__list-element--passed .sd-progress-buttons__button { background: var(--cyan) !important; border-color: var(--cyan) !important; }

.sd-action-bar { padding-top: 24px !important; border-top: 1px solid var(--line-soft) !important; }
.sd-question__required-text { color: var(--coral) !important; }
.sd-question__erbox {
  background: var(--coral-soft) !important;
  color: var(--coral-deep) !important;
  border-radius: 6px !important;
  padding: 8px 12px !important;
  font-size: 13px !important;
  margin-top: 8px !important;
}

/* ---------- End card (thank you) ---------- */
.sd-completedpage, .sd-completed-before-page { background: transparent !important; padding: 0 !important; }
.end-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 52px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 60px -34px rgba(20,24,28,0.22);
}
.end-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--grad-sweep); }
.end-card__icon { color: var(--cyan) !important; margin-bottom: 16px; }
.end-card h2 { margin: 0 0 12px; font-size: 32px; font-weight: 800; letter-spacing: -0.02em; color: var(--ink); }
.end-card p { color: var(--ink-soft); font-size: 17px; margin: 0 auto 8px; max-width: 480px; line-height: 1.55; }
.end-card__sig { margin-top: 20px !important; font-family: var(--mono) !important; color: var(--muted) !important; font-size: 13px !important; }

/* ---------- Footer ---------- */
.foot {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
  font-family: var(--mono);
  letter-spacing: 0.01em;
}
.foot p { margin: 0 0 6px; }
.foot__lockup a { text-decoration: none; }
.foot__lockup strong { color: var(--ink); letter-spacing: 0.16em; font-weight: 700; font-size: 12px; transition: color 0.2s; }
.foot__lockup a:hover strong { color: var(--cyan-deep); }

/* ---------- AI follow-up probes ---------- */
.sd-question[data-name$="_probe"] {
  border-left: 2px solid var(--cyan) !important;
  background: var(--cyan-soft) !important;
  border-radius: 0 10px 10px 0 !important;
  padding: 14px 18px 16px !important;
  margin: -4px 0 26px !important;
  border-bottom: none !important;
  animation: probeIn 0.35s ease both;
}
@keyframes probeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .sd-question[data-name$="_probe"] { animation: none; } }
.sd-question[data-name$="_probe"] .sd-question__num { display: none !important; }
.sd-question[data-name$="_probe"] .sd-question__title {
  font-size: 16px !important;
  font-weight: 500 !important;
  color: var(--ink) !important;
  line-height: 1.45 !important;
}
.sd-question[data-name$="_probe"] .sd-question__title::before {
  content: "✨ AI follow-up · optional";
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-deep);
  margin-bottom: 7px;
  font-weight: 500;
}

/* ---------- Mobile SurveyJS ---------- */
@media (max-width: 640px) {
  .sd-page__title { font-size: 22px !important; }
  .sd-question[data-name$="_probe"] { padding: 12px 14px 14px !important; margin: -2px 0 20px !important; }
  .sd-question { padding: 0 0 22px !important; margin-bottom: 24px !important; }
  .sd-question__title { font-size: 17px !important; line-height: 1.35 !important; }
  .sd-question__description { font-size: 13px !important; }
  .sd-selectbase { display: flex !important; flex-direction: column !important; gap: 4px !important; }
  .sd-item__control-label { font-size: 14px !important; }
  .sd-rating { gap: 5px !important; }
  .sd-rating__item { min-width: 36px !important; height: 36px !important; font-size: 13px !important; padding: 0 !important; }
  .sd-rating__min-text, .sd-rating__max-text { font-size: 10px !important; flex-basis: 100%; text-align: left; margin: 4px 0 0 !important; }
  .sd-input, .sd-comment { font-size: 16px !important; padding: 10px 12px !important; }
  /* Matrices → horizontal scroll so the grids stay usable */
  .sd-question[data-name="topic_value"], .sd-question[data-name="confidence"] { overflow-x: auto; }
  .sd-question[data-name="topic_value"] .sd-table, .sd-question[data-name="confidence"] .sd-table { min-width: 520px; }
  .sd-action-bar { display: flex !important; gap: 8px !important; flex-wrap: wrap !important; padding-top: 18px !important; }
  .sd-btn, .sd-action { padding: 10px 18px !important; font-size: 13px !important; }
  .sd-btn--action, .sd-navigation__complete-btn, .sd-navigation__next-btn { padding: 12px 22px !important; font-size: 14px !important; }
  .end-card { padding: 40px 22px; }
  .end-card h2 { font-size: 26px; }
}