/* ===========================================================
   LSP · Входная калибровка Extern, год 1
   Палитра и типографика psy.london:
   тёплые тёмные тона, античное золото, Fraunces + Hanken Grotesk.
   Тёмная тема — базовая, как на сайте; светлая — тёплая бумага.
   =========================================================== */
:root {
  /* тёплые тёмные тона — многослойные, никогда не плоский чёрный */
  --bg:          #14100A;
  --bg-elev:     #1B1409;
  --bg-sunken:   #1E170E;
  --surface:     #231B13;

  /* античное золото с тональным диапазоном */
  --accent:        #E8B84A;
  --accent-bright: #F6D27E;
  --accent-deep:   #A9781F;
  --accent-ink:    #14100A;
  --accent-soft:   rgba(232,184,74,.10);
  --accent-faint:  rgba(232,184,74,.045);
  --line:          rgba(232,184,74,.10);
  --line-strong:   rgba(232,184,74,.22);

  /* текст */
  --ink:       #F4ECDB;
  --ink-soft:  #B6AC95;
  --ink-faint: #8A8068;
  --ink-dim:   #5E573E;

  /* вторичный акцент */
  --steel:      #9DB2BD;
  --steel-deep: #5A6C76;
  --steel-soft: rgba(157,178,189,.10);

  /* состояния */
  --warn:      #E3A067;
  --warn-soft: rgba(227,160,103,.10);
  --warn-line: rgba(227,160,103,.28);
  --danger:      #E08A72;
  --danger-soft: rgba(224,138,114,.09);

  --radius-sm: 10px;
  --radius:    16px;
  --radius-lg: 26px;

  --shadow-sm: 0 16px 40px -22px rgba(0,0,0,.72);
  --shadow:    0 34px 90px -38px rgba(0,0,0,.88);

  --font-body:    "Hanken Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI",
                  Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;

  /* шкала кеглей — единый источник истины */
  --fs-h1:    clamp(1.9rem, 4.4vw, 3.1rem);
  --fs-h2:    1.5rem;
  --fs-h3:    1.3rem;
  --fs-h4:    1.12rem;
  --fs-lead:  clamp(1.06rem, 1.5vw, 1.28rem);
  --fs-base:  clamp(16px, 1.03vw, 18px);
  --fs-body:  .92rem;
  --fs-sm:    .84rem;
  --fs-label: .72rem;

  --measure: 47rem;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* светлая тема — тёплая бумага, золото сохраняется */
@media (prefers-color-scheme: light) {
  :root {
    --bg:        #FBFAF6;
    --bg-elev:   #FFFFFF;
    --bg-sunken: #F6F4EC;
    --surface:   #F0EDE2;

    --accent:        #B5871F;
    --accent-bright: #C5952A;
    --accent-deep:   #8A6316;
    --accent-ink:    #FFFDF6;
    --accent-soft:   rgba(170,122,31,.10);
    --accent-faint:  rgba(170,122,31,.045);
    --line:          rgba(62,52,32,.09);
    --line-strong:   rgba(62,52,32,.17);

    --ink:       #2A2519;
    --ink-soft:  #5C5340;
    --ink-faint: #897B5E;
    --ink-dim:   #ADA185;

    --steel:      #54666F;
    --steel-deep: #3B484F;
    --steel-soft: rgba(84,102,111,.12);

    --warn:      #8A5A12;
    --warn-soft: rgba(227,160,103,.13);
    --warn-line: rgba(170,122,31,.30);
    --danger:      #A8452A;
    --danger-soft: rgba(168,69,42,.06);

    --shadow-sm: 0 16px 40px -24px rgba(58,50,34,.20);
    --shadow:    0 30px 70px -38px rgba(58,50,34,.32);
  }
}

/* ===========================================================
   Reset / base
   =========================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.62;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-variation-settings: "opsz" 40, "SOFT" 0, "WONK" 0;
  line-height: 1.18;
  letter-spacing: -.012em;
  margin: 0 0 .5em;
  color: var(--ink);
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: clamp(1.5rem, 1.15rem + 1.4vw, 2.15rem); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }
p  { margin: 0 0 1em; }
p:last-child, ul:last-child, ol:last-child { margin-bottom: 0; }
a { color: var(--accent); text-underline-offset: 3px; }
ul, ol { margin: 0 0 1em; padding-left: 1.25em; }
li { margin: .3em 0; }
li::marker { color: var(--accent-deep); }
strong { font-weight: 600; color: var(--ink); }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
::selection { background: var(--accent-soft); color: var(--ink); }

/* ===========================================================
   Верхняя панель и прогресс
   =========================================================== */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.topbar__inner {
  max-width: var(--measure);
  margin: 0 auto;
  padding: .72rem 1.25rem .6rem;
  display: flex; align-items: center; gap: 1rem;
}
.brand { display: flex; align-items: center; gap: .6rem; white-space: nowrap; }
.brand__mark {
  display: inline-grid; place-items: center;
  width: 2rem; height: 2rem;
  border-radius: 10px;
  background: linear-gradient(150deg, var(--accent-bright), var(--accent-deep));
  color: var(--accent-ink);
  font-family: var(--font-display);
  font-size: .74rem; font-weight: 600; letter-spacing: .01em;
  box-shadow: 0 0 0 1px var(--line-strong);
}
.brand__text {
  font-family: var(--font-display);
  font-size: .98rem; font-weight: 500; letter-spacing: -.01em;
}
.brand__sub {
  font-size: var(--fs-label); font-weight: 500; color: var(--ink-faint);
  letter-spacing: .12em; text-transform: uppercase;
}
.step-counter {
  margin-left: auto;
  font-size: var(--fs-sm); font-variant-numeric: tabular-nums;
  color: var(--ink-faint); white-space: nowrap;
}
.progress { height: 2px; background: var(--line); position: relative; overflow: hidden; }
.progress__bar {
  position: absolute; inset: 0 auto 0 0;
  width: var(--p, 0%);
  background: linear-gradient(90deg, var(--accent-deep), var(--accent), var(--accent-bright));
  transition: width .5s var(--ease);
}

/* ===========================================================
   Каркас
   =========================================================== */
.shell { max-width: var(--measure); margin: 0 auto; padding: 2.5rem 1.25rem 8rem; }
.step { display: none; animation: rise .4s var(--ease) both; }
.step.is-active { display: block; }
.js-off .step { display: block; margin-bottom: 3.5rem; }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

.eyebrow {
  display: inline-block;
  font-size: var(--fs-label); font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--line-strong);
  padding: .3rem .75rem; border-radius: 999px;
  margin-bottom: 1rem;
}
.lede { font-size: var(--fs-lead); color: var(--ink-soft); line-height: 1.55; }
.section-head { margin-bottom: 1.9rem; }
.section-head p:last-child { margin-bottom: 0; }

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1rem;
}

.note {
  border-left: 2px solid var(--accent-deep);
  background: var(--accent-faint);
  padding: .95rem 1.15rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: var(--fs-body); color: var(--ink-soft);
  margin: 0 0 1.35rem;
}
.note--warn { border-left-color: var(--warn); background: var(--warn-soft); }

.facts { display: grid; gap: .75rem; margin: 0 0 1.6rem; padding: 0; list-style: none; }
@media (min-width: 640px) { .facts { grid-template-columns: 1fr 1fr; } }
.fact {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1rem 1.1rem; margin: 0;
}
.fact__k {
  display: block; font-size: var(--fs-label); letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent-deep); margin-bottom: .3rem; font-weight: 600;
}
.fact__v { font-size: var(--fs-body); color: var(--ink-soft); }

.routes { counter-reset: route; list-style: none; padding: 0; margin: 0 0 1.6rem; display: grid; gap: .6rem; }
.routes li {
  counter-increment: route;
  position: relative;
  padding: .9rem 1.1rem .9rem 3.1rem;
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--radius); font-size: var(--fs-body); color: var(--ink-soft); margin: 0;
}
.routes li::before {
  content: counter(route);
  position: absolute; left: 1rem; top: .95rem;
  width: 1.5rem; height: 1.5rem; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
  border: 1px solid var(--line-strong);
  font-family: var(--font-display);
  font-size: .78rem; font-weight: 600;
}

/* ===========================================================
   Вопросы
   =========================================================== */
.q {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.55rem 1.35rem;
  margin-bottom: 1.1rem;
  box-shadow: var(--shadow-sm);
  transition: border-color .3s var(--ease);
  scroll-margin-top: 5.5rem;
}
.q.is-answered { border-color: var(--line-strong); }
.q.is-missing  { border-color: var(--danger); background: var(--danger-soft); }
.q__head { display: flex; gap: .85rem; align-items: flex-start; margin-bottom: 1.1rem; }
.q__num {
  flex: none;
  min-width: 2.05rem; height: 2.05rem; padding: 0 .45rem;
  border-radius: 9px;
  display: grid; place-items: center;
  background: var(--accent-faint); color: var(--accent-deep);
  border: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: .84rem; font-weight: 600; font-variant-numeric: tabular-nums;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.q.is-answered .q__num {
  background: linear-gradient(150deg, var(--accent-bright), var(--accent-deep));
  color: var(--accent-ink); border-color: transparent;
}
.q__text {
  margin: 0; padding: 0; align-self: center;
  font-size: 1.04rem; font-weight: 500; line-height: 1.48; color: var(--ink);
}
.q__hint {
  display: block; font-size: var(--fs-sm); color: var(--ink-faint);
  margin: .4rem 0 0; font-weight: 400; line-height: 1.45;
}

.options { display: grid; gap: .5rem; }
.opt { position: relative; display: block; cursor: pointer; }
.opt input { position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0; }
.opt__box {
  display: flex; gap: .85rem; align-items: flex-start;
  padding: .85rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-sunken);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
@media (hover: hover) {
  .opt:hover .opt__box { border-color: var(--line-strong); background: var(--surface); }
}
.opt input:focus-visible + .opt__box { outline: 2px solid var(--accent); outline-offset: 2px; }
.opt input:checked + .opt__box { border-color: var(--accent-deep); background: var(--accent-soft); }
.opt__key {
  flex: none;
  width: 1.65rem; height: 1.65rem;
  border-radius: 8px;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  background: var(--bg-elev);
  font-family: var(--font-display);
  font-size: .78rem; font-weight: 600; color: var(--ink-soft);
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.opt input:checked + .opt__box .opt__key {
  background: linear-gradient(150deg, var(--accent-bright), var(--accent-deep));
  border-color: transparent; color: var(--accent-ink);
}
.opt__label { font-size: var(--fs-body); line-height: 1.52; color: var(--ink-soft); }
.opt input:checked + .opt__box .opt__label { color: var(--ink); }

/* варианты без букв (анкета, подтверждения) */
.options--plain .opt__key { font-size: 0; position: relative; }
.options--plain .opt input[type="radio"] + .opt__box .opt__key { border-radius: 50%; }
.options--plain .opt input:checked + .opt__box .opt__key::after {
  content: ""; width: .5rem; height: .5rem; border-radius: inherit; background: var(--accent-ink);
}
.options--plain .opt input[type="checkbox"]:checked + .opt__box .opt__key::after {
  content: ""; width: .62rem; height: .34rem; border-radius: 1px; background: none;
  border-left: 2px solid var(--accent-ink); border-bottom: 2px solid var(--accent-ink);
  transform: rotate(-45deg) translate(1px, -1px);
}

/* ===========================================================
   Текстовые поля
   =========================================================== */
.field { display: block; margin-top: 1rem; }
.field__label {
  display: block; font-size: var(--fs-sm); font-weight: 600; color: var(--ink-soft);
  margin-bottom: .4rem; letter-spacing: .01em;
}
.field__label .opt-tag { font-weight: 400; color: var(--ink-faint); }
input[type="text"], input[type="tel"], input[type="email"],
input[type="date"], input[type="number"], textarea, select {
  width: 100%;
  font: inherit; font-size: var(--fs-body); color: var(--ink);
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: .7rem .85rem;
  transition: border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
textarea { min-height: 5.4rem; resize: vertical; font-family: var(--font-body); }
input::placeholder, textarea::placeholder { color: var(--ink-dim); }
input:hover, textarea:hover { border-color: var(--line-strong); }
input:focus, textarea:focus {
  outline: none; border-color: var(--accent-deep);
  background: var(--bg-elev);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(.6) sepia(1) saturate(4) hue-rotate(5deg);
  cursor: pointer;
}
@media (prefers-color-scheme: light) {
  input[type="date"]::-webkit-calendar-picker-indicator { filter: sepia(1) saturate(3) hue-rotate(5deg); }
}
.grid-2 { display: grid; gap: .95rem; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

/* ===========================================================
   Подтверждения
   =========================================================== */
.attest { display: grid; gap: .55rem; }
.attest .opt__label { font-size: var(--fs-body); }

/* ===========================================================
   Кнопки и навигация
   =========================================================== */
.navbar {
  position: sticky; bottom: 0; z-index: 40;
  margin: 2.2rem -1.25rem -8rem;
  padding: .9rem 1.25rem calc(.9rem + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-top: 1px solid var(--line);
  display: flex; align-items: center; gap: .75rem;
}
.js-off .navbar { position: static; margin: 2rem 0 0; border-radius: var(--radius); border: 1px solid var(--line); }
.navbar__spacer { flex: 1; }
.navbar__hint { font-size: var(--fs-sm); color: var(--ink-faint); font-variant-numeric: tabular-nums; }

.btn {
  font-family: var(--font-body); font-size: var(--fs-body); font-weight: 600;
  padding: .72rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: .45rem;
  transition: transform .12s var(--ease), filter .2s var(--ease),
              background .2s var(--ease), border-color .2s var(--ease), opacity .2s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: linear-gradient(150deg, var(--accent-bright), var(--accent-deep));
  color: var(--accent-ink);
  box-shadow: 0 10px 30px -14px var(--accent-deep);
}
.btn--primary:hover { filter: brightness(1.07); }
.btn--ghost { background: transparent; color: var(--ink-soft); border-color: var(--line-strong); }
.btn--ghost:hover { background: var(--accent-faint); color: var(--ink); }
.btn[hidden] { display: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.alert {
  display: none;
  border: 1px solid var(--danger);
  background: var(--danger-soft);
  color: var(--danger);
  border-radius: var(--radius);
  padding: .85rem 1.1rem;
  font-size: var(--fs-body); font-weight: 500;
  margin-bottom: 1.1rem;
}
.alert.is-visible { display: block; animation: rise .28s var(--ease) both; }

/* ===========================================================
   Страница результата (save.php)
   =========================================================== */
.result { max-width: 36rem; margin: 0 auto; padding: 4.5rem 1.25rem; text-align: center; }
.result__icon {
  width: 4.2rem; height: 4.2rem; margin: 0 auto 1.6rem;
  border-radius: 50%; display: grid; place-items: center;
  background: var(--accent-soft); border: 1px solid var(--line-strong);
  color: var(--accent); font-size: 1.7rem;
}
.result .note { text-align: left; }
.result__meta {
  margin-top: 2.2rem; padding-top: 1.6rem; border-top: 1px solid var(--line);
  font-size: var(--fs-sm); color: var(--ink-faint);
}
.result__meta code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--accent-soft); color: var(--accent);
  padding: .18rem .45rem; border-radius: 6px; font-size: .92em;
}

.footnote {
  margin-top: 3.5rem; padding-top: 1.35rem; border-top: 1px solid var(--line);
  font-size: var(--fs-sm); color: var(--ink-dim); line-height: 1.55;
}

/* ===========================================================
   Переключатель языков
   =========================================================== */
.topbar__tools { margin-left: auto; display: flex; align-items: center; gap: .85rem; }
.step-counter { margin-left: 0; }
.lang {
  display: inline-flex; padding: 2px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--accent-faint);
}
.lang__btn {
  font-family: var(--font-body);
  font-size: .72rem; font-weight: 600; letter-spacing: .06em;
  padding: .28rem .6rem;
  border: 0; border-radius: 999px;
  background: transparent; color: var(--ink-faint);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.lang__btn:hover { color: var(--ink); }
.lang__btn.is-active {
  background: linear-gradient(150deg, var(--accent-bright), var(--accent-deep));
  color: var(--accent-ink);
}
@media (max-width: 560px) {
  .brand__text { display: none; }
  .topbar__tools { gap: .55rem; }
  .step-counter { font-size: var(--fs-label); }
}

/* ===========================================================
   Экран одного вопроса
   =========================================================== */
.section-head--tight { margin-bottom: 1.1rem; }
.q--solo { padding: 1.7rem 1.7rem 1.5rem; }
.q--solo .q__text { font-size: clamp(1.1rem, 1rem + .55vw, 1.32rem); line-height: 1.42; }
.q--solo .q__num { min-width: 2.3rem; height: 2.3rem; font-size: .92rem; }
.q--solo .options { margin-top: .2rem; }
.q--solo .opt__box { padding: .95rem 1.1rem; }
.q--solo .opt__label { font-size: .97rem; }
@media (max-width: 560px) {
  .q--solo { padding: 1.3rem 1.15rem 1.15rem; }
  .q--solo .opt__box { padding: .8rem .9rem; }
}

/* подпись именем на финальном шаге */
.sig {
  margin: 0; padding: .7rem .85rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--ink-faint); font-size: var(--fs-body);
}
.sig--filled { border-style: solid; color: var(--ink); }