/* ООО «Омега» — quiz site. Light editorial-legal identity:
   warm ivory paper, deep green accents, Lora display / Golos Text body. */

:root {
  --paper: #F7F5F0;
  --card: #FFFFFF;
  --ink: #20261F;
  --ink-soft: #4C5248;
  --muted: #77715F;
  --green: #1E5B4C;
  --green-dark: #174A3D;
  --green-tint: #EAF1EE;
  --line: #DFD9CB;
  --line-strong: #C9C2B0;
  --danger: #B3402E;
  --radius: 12px;
  --radius-sm: 10px;
  --font-display: "Lora", Georgia, serif;
  --font-body: "Golos Text", -apple-system, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
}

/* фон: мраморный зал в мягком фокусе под слоновой вуалью — бумажный вид и контраст сохранены
   (fixed-псевдоэлемент вместо background-attachment: fixed — тот глючит в iOS Safari) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(247, 245, 240, 0.90) 0%, rgba(247, 245, 240, 0.82) 45%, rgba(247, 245, 240, 0.88) 100%),
    url('/assets/images/bg-hall.jpg') center / cover no-repeat;
}

@media (max-width: 600px) {
  body::before {
    background:
      linear-gradient(180deg, rgba(247, 245, 240, 0.90) 0%, rgba(247, 245, 240, 0.82) 45%, rgba(247, 245, 240, 0.88) 100%),
      url('/assets/images/bg-hall-portrait.jpg') center / cover no-repeat;
  }
}

a { color: var(--green); }

/* ---------- Шапка ---------- */

.topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar__inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.topbar__phone {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.topbar__phone:hover { color: var(--green); }

/* ---------- Сцена и карточка ---------- */

.stage {
  flex: 1;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px 56px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.card {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--green);
  border-radius: var(--radius);
  padding: 40px 44px 36px;
  box-shadow: 0 1px 2px rgba(32, 38, 31, 0.04), 0 12px 32px -18px rgba(32, 38, 31, 0.18);
}

.is-hidden { display: none !important; }

/* ---------- Стартовый экран ---------- */

.kicker {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
}

h1 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.sub {
  margin: 0 0 22px;
  color: var(--ink-soft);
  font-size: 17px;
  max-width: 46ch;
}

.services {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.services li {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 999px;
  padding: 5px 13px;
  font-size: 13.5px;
  color: var(--ink-soft);
}

.fineprint {
  margin: 14px 0 0;
  font-size: 13.5px;
  color: var(--muted);
}

/* ---------- Кнопки ---------- */

.btn {
  display: inline-block;
  border: 1px solid var(--green);
  border-radius: var(--radius-sm);
  background: var(--green);
  color: #fff;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  padding: 13px 26px;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.btn:hover:not(:disabled) { background: var(--green-dark); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn--lg { padding: 15px 32px; font-size: 17px; }

:is(a, button, input, select):focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

/* ---------- Квиз ---------- */

.quiz-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  min-height: 32px;
}

.back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 0;
  background: none;
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: 14.5px;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 8px;
  visibility: hidden;
}

.back.is-visible { visibility: visible; }
.back:hover { color: var(--green); }

.step-label {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.progress {
  height: 4px;
  border-radius: 999px;
  background: var(--line);
  overflow: hidden;
  margin-bottom: 28px;
}

.progress__fill {
  height: 100%;
  width: 20%;
  border-radius: 999px;
  background: var(--green);
  transition: width 0.25s ease;
}

.step { display: none; }
.step.is-active { display: block; animation: step-in 0.25s ease; }

@keyframes step-in {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}

.step h2 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 23px;
  line-height: 1.3;
}

.options { display: grid; gap: 10px; }

.option {
  display: block;
  width: 100%;
  text-align: left;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  padding: 14px 18px 14px 46px;
  cursor: pointer;
  position: relative;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

/* пустой кружок-радио слева */
.option::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  border: 1.75px solid var(--line-strong);
  border-radius: 50%;
  transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.option:hover { border-color: var(--green); }
.option:hover::before { border-color: var(--green); }

.option.is-selected {
  border-color: var(--green);
  background: var(--green-tint);
}

.option.is-selected::before {
  border-color: var(--green);
  background: var(--green);
  box-shadow: inset 0 0 0 3.5px var(--green-tint);
}

.hint {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13.5px;
}

.hint svg { flex-shrink: 0; color: var(--green); margin-top: 1px; }

/* ---------- Поля ---------- */

.field { margin-bottom: 18px; }

.field input {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  padding: 13px 16px;
  transition: border-color 0.15s ease;
}

.field input:focus { border-color: var(--green); outline: none; }
.field input.is-invalid { border-color: var(--danger); }

/* Телефон: фиксированный префикс +7 вне поля ввода */
.phone-wrap {
  display: flex;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: #fff;
  transition: border-color 0.15s ease;
}

.phone-wrap:focus-within { border-color: var(--green); }
.phone-wrap.is-invalid { border-color: var(--danger); }

.phone-prefix {
  padding: 13px 0 13px 16px;
  font-size: 17px;
  color: var(--ink);
  user-select: none;
}

.phone-wrap input {
  border: none;
  border-radius: var(--radius-sm);
  flex: 1;
  min-width: 0;
  padding: 13px 16px 13px 8px;
  background: transparent;
}

.phone-wrap input:focus { outline: none; border: none; }

.field-error {
  display: none;
  margin: 7px 0 0;
  color: var(--danger);
  font-size: 13.5px;
}

.field input.is-invalid ~ .field-error,
.phone-wrap.is-invalid ~ .field-error { display: block; }

.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0 0 20px;
  font-size: 14px;
  color: var(--ink-soft);
  cursor: pointer;
}

.consent input {
  width: 17px;
  height: 17px;
  margin-top: 2px;
  accent-color: var(--green);
  flex-shrink: 0;
}

.form-error {
  margin: 14px 0 0;
  color: var(--danger);
  font-size: 14.5px;
}

/* ---------- Экран подтверждения ---------- */

#view-success { text-align: center; padding-top: 48px; padding-bottom: 48px; }

.success-icon { color: var(--green); margin-bottom: 14px; }

#view-success h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 28px;
}

#view-success .sub { margin: 0 auto 14px; }

.success-note {
  max-width: 46ch;
  margin: 0 auto;
  color: var(--muted);
  font-size: 14.5px;
}

/* ---------- Подвал ---------- */

.footer {
  background: var(--ink);
  color: #D8D6CE;
  padding: 30px 20px 26px;
  font-size: 13.5px;
  line-height: 1.6;
}

.footer a { color: #EDEBE4; }

.footer__inner {
  max-width: 720px;
  margin: 0 auto 16px;
  display: flex;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}

.footer__firm p { margin: 0 0 3px; }

.footer__name { font-weight: 600; color: #fff; font-size: 15px; margin-bottom: 6px; }

.footer__links { display: flex; flex-direction: column; gap: 6px; }

.footer__disclaimer {
  max-width: 720px;
  margin: 0 auto;
  padding-top: 14px;
  border-top: 1px solid rgba(216, 214, 206, 0.25);
  color: #A5A399;
  font-size: 12px;
}

/* ---------- Адаптив ---------- */

@media (max-width: 600px) {
  .stage { padding: 20px 12px 36px; }
  .card { padding: 28px 20px 26px; }
  h1 { font-size: 25px; }
  .sub { font-size: 15.5px; }
  .step h2 { font-size: 20px; }
  .btn--lg { width: 100%; }
  #start-btn { width: 100%; }
  .topbar__brand span { font-size: 14px; }
  .footer__inner { flex-direction: column; gap: 14px; }
}

/* ---------- Доступность: минимум движения ---------- */

@media (prefers-reduced-motion: reduce) {
  .step.is-active { animation: none; }
  .progress__fill { transition: none; }
  .btn, .option, .option::before { transition: none; }
}