:root {
  --black: #181818;
  --black-soft: #272727;
  --white: #ffffff;
  --surface: #f5f5f5;
  --surface-2: #eeeeee;
  --line: #dddddd;
  --gray: #525252;
  --gray-light: #7b7b7b;
  --green: #25d366;
  --danger: #a33b33;
  --shadow: 0 18px 45px rgba(0, 0, 0, .10);
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--surface); }
body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--black);
  background: var(--surface);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.page-frame { min-height: 100vh; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1100px, 100%);
  min-height: 78px;
  margin: 0 auto;
  padding: 16px 28px;
}

.topbar-logo {
  display: inline-flex;
  align-items: center;
  width: 176px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--black);
}
.topbar-logo img { display: block; width: 100%; height: auto; }
.topbar-meta { display: flex; align-items: center; gap: 12px; color: var(--gray); font-size: .75rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.meta-divider { width: 4px; height: 4px; border-radius: 50%; background: var(--black); }

.main-content { width: min(760px, calc(100% - 32px)); margin: 0 auto; padding: 30px 0 34px; }

.welcome-block {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 28px;
  padding: 22px 2px 32px;
}
.eyebrow { color: var(--gray); font-size: .73rem; font-weight: 850; letter-spacing: .14em; line-height: 1.2; text-transform: uppercase; }
.welcome-block h1 { max-width: 16ch; margin: 12px 0 12px; font-size: clamp(2rem, 5.6vw, 3.55rem); font-weight: 900; letter-spacing: -.065em; line-height: .98; }
.welcome-block p { max-width: 550px; margin: 0; color: var(--gray); font-size: 1rem; line-height: 1.55; }
.proof-row { display: grid; gap: 13px; min-width: 165px; padding-left: 20px; border-left: 1px solid #cfcfcf; }
.proof-item { display: grid; grid-template-columns: auto 1fr; gap: 9px; align-items: baseline; }
.proof-item strong { font-size: 1.04rem; letter-spacing: -.03em; }
.proof-item span { color: var(--gray-light); font-size: .73rem; line-height: 1.25; }

.quiz-card { overflow: hidden; border: 1px solid #dedede; border-radius: 18px; background: var(--white); box-shadow: var(--shadow); }
.quiz-header { padding: 24px 30px 0; }
.progress-meta { display: flex; justify-content: space-between; gap: 12px; color: var(--gray); font-size: .8rem; font-weight: 800; }
.progress-track { height: 6px; margin-top: 10px; overflow: hidden; border-radius: 999px; background: var(--surface-2); }
.progress-value { width: 0; height: 100%; border-radius: inherit; background: var(--black); transition: width .26s ease; }

.quiz-content { min-height: 485px; display: flex; align-items: flex-start; padding: 42px 30px 30px; }
.intro-state, .question-state, .contact-state, .success-state { width: 100%; max-width: 650px; margin: auto 0; }
.intro-mark { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 22px; border-radius: 13px; color: var(--white); background: var(--black); font-family: Georgia, serif; font-size: 1.6rem; font-weight: 700; }
.intro-state h2, .question-title, .contact-state h2, .success-state h2 { margin: 12px 0 14px; color: var(--black); font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 900; letter-spacing: -.065em; line-height: .98; }
.intro-state > p, .question-helper, .contact-state > p, .success-state > p { max-width: 620px; margin: 0; color: var(--gray); font-size: 1rem; line-height: 1.58; }
.promise-card { display: grid; gap: 5px; margin: 26px 0 0; padding: 17px 18px; border-left: 3px solid var(--black); background: var(--surface); color: var(--gray); font-size: .92rem; line-height: 1.45; }
.promise-card strong { color: var(--black); font-size: .96rem; }

.primary-button, .secondary-button, .back-button { min-height: 52px; border: 0; border-radius: 10px; cursor: pointer; font-size: .96rem; font-weight: 850; transition: transform .18s ease, background .18s ease, box-shadow .18s ease; }
.primary-button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; margin-top: 26px; padding: 13px 20px; color: var(--white); background: var(--black); box-shadow: 0 10px 22px rgba(0,0,0,.14); text-decoration: none; }
.primary-button:hover, .primary-button:focus-visible { transform: translateY(-2px); background: #000; box-shadow: 0 14px 28px rgba(0,0,0,.2); }
.primary-button:focus-visible, .secondary-button:focus-visible, .back-button:focus-visible, .option-card:focus-within { outline: 3px solid rgba(24,24,24,.23); outline-offset: 3px; }

.question-kicker { display: flex; justify-content: space-between; gap: 12px; color: var(--gray-light); font-size: .8rem; font-weight: 800; }
.question-title { max-width: 680px; margin-top: 18px; font-size: clamp(1.9rem, 5vw, 3rem); }
.question-helper { margin-bottom: 23px; font-size: .96rem; }
.options-list { display: grid; gap: 10px; margin-top: 22px; }
.option-card { position: relative; display: flex; align-items: center; min-height: 60px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); color: var(--black-soft); cursor: pointer; font-size: .98rem; font-weight: 750; line-height: 1.3; transition: border-color .16s ease, background .16s ease, transform .16s ease; }
.option-card:hover { border-color: #888; transform: translateX(2px); }
.option-card.selected { border-color: var(--black); background: #f0f0f0; }
.option-card input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.option-indicator { display: grid; place-items: center; flex: 0 0 auto; width: 24px; height: 24px; margin-right: 13px; border: 1.5px solid #8b8b8b; border-radius: 7px; background: var(--white); }
.selected .option-indicator { border-color: var(--black); background: var(--black); }
.selected .option-indicator::after { content: "✓"; color: var(--white); font-size: .85rem; font-weight: 900; }
.option-hint { margin-top: 15px; color: var(--gray-light); font-size: .78rem; }

.text-field { display: grid; gap: 8px; margin-top: 16px; }
.text-field label { color: var(--black-soft); font-size: .88rem; font-weight: 800; }
.text-field label span { color: var(--gray-light); font-weight: 500; }
.text-field input, .text-field textarea { width: 100%; min-height: 52px; padding: 13px 14px; resize: vertical; border: 1px solid #d3d3d3; border-radius: 10px; outline: none; background: var(--white); color: var(--black); font-size: 1rem; }
.text-field textarea { min-height: 105px; }
.text-field input:focus, .text-field textarea:focus { border-color: var(--black); box-shadow: 0 0 0 3px rgba(24,24,24,.1); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.contact-grid .full { grid-column: 1 / -1; }
.consent-label { display: flex; align-items: flex-start; gap: 9px; margin-top: 17px; color: var(--gray); font-size: .78rem; line-height: 1.4; }
.consent-label input { width: 17px; height: 17px; margin-top: 1px; accent-color: var(--black); }
.error-message { min-height: 20px; margin-top: 9px; color: var(--danger); font-size: .84rem; font-weight: 750; }

.quiz-footer { display: flex; align-items: center; justify-content: space-between; gap: 14px; min-height: 70px; padding: 0 30px 24px; }
.back-button { padding: 9px 4px; color: var(--gray); background: transparent; }
.back-button:hover { color: var(--black); }
.secure-copy { display: inline-flex; align-items: center; gap: 7px; color: var(--gray-light); font-size: .75rem; text-align: right; }
.secure-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }

.success-state { text-align: center; }
.success-icon { display: grid; place-items: center; width: 64px; height: 64px; margin: 0 auto 20px; border-radius: 50%; color: var(--white); background: var(--black); font-size: 1.8rem; font-weight: 900; }
.success-state h2 { font-size: clamp(2rem, 5vw, 3rem); }
.success-state > p { margin: 0 auto; }
.summary-box { margin: 23px auto 0; padding: 16px; border-left: 3px solid var(--black); background: var(--surface); color: var(--gray); font-size: .85rem; line-height: 1.55; text-align: left; }
.success-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 22px; }
.success-actions .primary-button { background: var(--green); color: #0c2816; }
.success-actions .primary-button:hover { background: #1fbd59; }
.secondary-button { display: inline-flex; align-items: center; justify-content: center; padding: 13px 19px; color: var(--black); background: var(--surface-2); text-decoration: none; }
.secondary-button:hover { background: #dedede; }

.site-footer { display: flex; align-items: center; justify-content: space-between; width: min(760px, calc(100% - 32px)); margin: 0 auto; padding: 0 2px 25px; color: var(--gray-light); font-size: .73rem; }
.site-footer a { color: var(--gray); font-weight: 750; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
[hidden] { display: none !important; }

@media (max-width: 640px) {
  .topbar { min-height: 68px; padding: 12px 16px; }
  .topbar-logo { width: 152px; padding: 7px 10px; }
  .topbar-meta { gap: 7px; font-size: .64rem; }
  .topbar-meta span:last-child, .meta-divider { display: none; }
  .main-content { width: calc(100% - 24px); padding-top: 12px; }
  .welcome-block { display: block; padding: 15px 4px 24px; }
  .welcome-block h1 { max-width: 13ch; margin-top: 10px; font-size: clamp(2rem, 10.8vw, 3rem); }
  .welcome-block p { font-size: .93rem; }
  .proof-row { grid-template-columns: repeat(3, 1fr); gap: 8px; min-width: 0; margin-top: 22px; padding: 15px 0 0; border-top: 1px solid #cfcfcf; border-left: 0; }
  .proof-item { display: block; }
  .proof-item strong { display: block; font-size: .95rem; }
  .proof-item span { display: block; margin-top: 3px; font-size: .67rem; }
  .quiz-card { border-radius: 15px; }
  .quiz-header { padding: 19px 18px 0; }
  .quiz-content { min-height: 500px; padding: 30px 18px 22px; }
  .intro-state h2, .question-title, .contact-state h2, .success-state h2 { font-size: clamp(1.9rem, 10vw, 2.65rem); }
  .option-card { min-height: 58px; padding: 13px 13px; font-size: .94rem; }
  .quiz-footer { min-height: 64px; padding: 0 18px 19px; }
  .site-footer { width: calc(100% - 24px); gap: 12px; font-size: .68rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-grid .full { grid-column: auto; }
  .success-actions { flex-direction: column; }
  .success-actions .primary-button, .success-actions .secondary-button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}