/* ============================================================
   quiz.css — пошаговый квиз
   ============================================================ */

.quiz-body { background: var(--c-surface-2); min-height: 100vh; }

/* HEADER */
.quiz-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-border);
}
.quiz-header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  padding-top: 10px;
  padding-bottom: 10px;
}
.quiz-progress {
  height: 3px;
  background: var(--c-border);
  position: relative;
}
.quiz-progress__bar {
  position: absolute;
  inset: 0 auto 0 0;
  background: var(--c-primary);
  transition: width .35s cubic-bezier(.4,.2,.1,1);
}

/* MAIN */
.quiz {
  padding: clamp(48px, 6vw, 80px) 0 120px;
}

/* STEPS */
.quiz-step {
  display: none;
  animation: quiz-in .35s cubic-bezier(.2,.7,.3,1);
}
.quiz-step.is-active { display: block; }
@keyframes quiz-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.quiz-step__head {
  max-width: 780px;
  margin: 0 auto 40px;
  text-align: center;
}
.quiz-step__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-primary);
  margin-bottom: 16px;
}
.quiz-step__head .h2 {
  margin-bottom: 14px;
  text-wrap: balance;
}
.quiz-step__hint {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--c-ink-muted);
  text-wrap: pretty;
}

/* INTRO */
.quiz-intro {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: clamp(36px, 5vw, 64px);
}
.quiz-intro .kicker {
  justify-content: center;
  margin-bottom: 18px;
}
.quiz-intro .h1 {
  margin-bottom: 18px;
  text-wrap: balance;
  font-size: clamp(32px, 4vw, 56px);
}
.quiz-intro .lead {
  margin: 0 auto 32px;
  max-width: 580px;
}
.quiz-intro__list {
  list-style: none;
  padding: 0;
  margin: 0 0 36px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  text-align: left;
}
.quiz-intro__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--c-surface-2);
  border-radius: var(--r-md);
  font-size: 13px;
  color: var(--c-ink);
  font-weight: 500;
}
.quiz-intro__list li span {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--c-primary);
  letter-spacing: 0.1em;
}
@media (max-width: 700px) { .quiz-intro__list { grid-template-columns: 1fr; } }

/* OPTIONS GRID */
.quiz-options {
  max-width: 980px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}
.quiz-options--3 { grid-template-columns: repeat(3, 1fr); }
.quiz-options--4 { grid-template-columns: repeat(3, 1fr); }
.quiz-option {
  background: var(--c-surface);
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 22px 22px 24px;
  cursor: pointer;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: inherit;
  transition: border-color .15s ease, background .15s ease, transform .15s ease, box-shadow .15s ease;
  font-size: 15.5px;
  line-height: 1.35;
  color: var(--c-ink);
  position: relative;
}
.quiz-option:hover {
  border-color: var(--c-primary);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0,80,255,0.06);
}
.quiz-option.is-selected {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
}
.quiz-option.is-selected::after {
  content: '✓';
  position: absolute;
  top: 14px; right: 14px;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: #fff;
  color: var(--c-primary);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700;
}
.quiz-option--wide { grid-column: 1 / -1; }
.quiz-option__icon {
  font-size: 28px;
  margin-bottom: 6px;
  display: block;
  line-height: 1;
}
.quiz-option__t { font-weight: 600; font-size: 16px; }
.quiz-option__d {
  font-size: 13px;
  color: var(--c-ink-muted);
}
.quiz-option.is-selected .quiz-option__d { color: rgba(255,255,255,.78); }

@media (max-width: 900px) {
  .quiz-options--3, .quiz-options--4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .quiz-options--3, .quiz-options--4 { grid-template-columns: 1fr; }
}

/* FORM (step 6) */
.quiz-form {
  max-width: 720px;
  margin: 0 auto;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: clamp(28px, 4vw, 40px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.quiz-field { display: flex; flex-direction: column; gap: 8px; }
.quiz-field--wide { grid-column: 1 / -1; }
.quiz-field label,
.quiz-field legend {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--c-ink-2);
  padding: 0;
}
.quiz-field .req { color: var(--c-primary); }
.quiz-field .muted { color: var(--c-ink-muted); font-weight: 400; }
.quiz-field input[type="text"],
.quiz-field input[type="tel"],
.quiz-field input[type="email"] {
  height: 52px;
  padding: 0 18px;
  background: var(--c-surface-2);
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-md);
  font-family: inherit;
  font-size: 15px;
  color: var(--c-ink);
  transition: border-color .15s ease, background .15s ease;
}
.quiz-field input:focus {
  outline: none;
  border-color: var(--c-primary);
  background: #fff;
}
.quiz-field.has-error input { border-color: var(--c-danger); }
.quiz-error {
  font-size: 12.5px;
  color: var(--c-danger);
  min-height: 0;
}
.quiz-field.has-error .quiz-error::before { content: '⚠ '; }

.quiz-radio-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
}
.quiz-radio-group label {
  flex: 1 1 0;
  min-width: 130px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--c-surface-2);
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-md);
  font-size: 14px;
  color: var(--c-ink);
  font-weight: 500;
  transition: border-color .15s ease, background .15s ease;
}
.quiz-radio-group label:hover { border-color: var(--c-primary); }
.quiz-radio-group input[type="radio"] { accent-color: var(--c-primary); margin: 0; width: 16px; height: 16px; }
.quiz-radio-group input[type="radio"]:checked + span { color: var(--c-primary); font-weight: 600; }

.quiz-consent {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--c-ink-2);
  padding: 14px 16px;
  background: var(--c-surface-2);
  border-radius: var(--r-md);
  border: 1.5px solid var(--c-border);
}
.quiz-consent input { accent-color: var(--c-primary); width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; }
.quiz-consent a { color: var(--c-primary); font-weight: 600; }

@media (max-width: 600px) { .quiz-form { grid-template-columns: 1fr; } }

/* NAV */
.quiz-nav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--c-border);
  padding: 16px var(--pad-x);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  z-index: 40;
  max-width: 1280px;
  margin: 0 auto;
  border-radius: var(--r-xl) var(--r-xl) 0 0;
}
.quiz-nav button[data-quiz-action="back"] { justify-self: flex-start; }
.quiz-nav button[data-quiz-action="next"],
.quiz-nav button[data-quiz-action="submit"] { justify-self: flex-end; grid-column: 3; }
.quiz-nav__counter {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-ink-muted);
  font-weight: 600;
  text-align: center;
}
.quiz-nav button[hidden] { display: none; }
.quiz-nav button:disabled { opacity: 0.4; cursor: not-allowed; }