/* ==========================================================================
   Оснастка — рабочее название. Стили прототипа.
   Палитра построена на артефактах бухгалтерии: разлинованная бумага,
   синяя мастичная печать, жёлтый маркер.
   ========================================================================== */

:root {
  --paper:      #F3F5EF;
  --paper-alt:  #E7ECE1;
  --card:       #FFFFFF;
  --ink:        #171F26;
  --ink-2:      #5A6670;
  --ink-3:      #8A949B;
  --rule:       #CBD5C6;
  --rule-soft:  #E1E7DC;
  --stamp:      #1F4B8E;
  --stamp-dark: #163A6F;
  --stamp-soft: #E9EFF8;
  --mark:       #F4E27C;
  --ok:         #2E7D5B;
  --ok-soft:    #E4F0EA;

  --font-body: 'Golos Text', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'PT Mono', 'Consolas', 'Courier New', monospace;

  --wrap: 1180px;
  --r: 3px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  font-weight: 400;
}

a { color: var(--stamp); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--stamp-dark); }

img { max-width: 100%; display: block; }

:focus-visible {
  outline: 2px solid var(--stamp);
  outline-offset: 2px;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Служебная плашка прототипа ----------------------------------------- */

.demo-bar {
  background: var(--mark);
  color: #3C3410;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 6px 0;
}

/* --- Бланк: верхняя строка реквизитов ----------------------------------- */

.blank {
  background: var(--ink);
  color: #C9D2D8;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 7px 0;
}
.blank .wrap { display: flex; gap: 18px; flex-wrap: wrap; justify-content: space-between; }
.blank span { white-space: nowrap; }
.blank b { color: #fff; font-weight: 400; }

/* --- Шапка --------------------------------------------------------------- */

.head {
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  z-index: 40;
}
.head .wrap {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 70px;
}

.logo {
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -.02em;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.logo em {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 10px;
  color: var(--ink-3);
  letter-spacing: .02em;
}

.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover { border-bottom-color: var(--rule); }
.nav a[aria-current="page"] { border-bottom-color: var(--stamp); }

.head-cta { display: flex; align-items: center; gap: 14px; }
.head-phone {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.burger {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--rule);
  border-radius: var(--r);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  cursor: pointer;
  color: var(--ink);
}

/* --- Кнопки -------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  padding: 12px 20px;
  border-radius: var(--r);
  border: 1px solid var(--stamp);
  background: var(--stamp);
  color: #fff;
  text-decoration: none;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}
.btn:hover { background: var(--stamp-dark); border-color: var(--stamp-dark); color: #fff; }

.btn.ghost { background: transparent; color: var(--stamp); }
.btn.ghost:hover { background: var(--stamp-soft); color: var(--stamp-dark); }

.btn.quiet { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn.quiet:hover { background: var(--paper-alt); color: var(--ink); border-color: var(--ink-3); }

.btn.wide { width: 100%; }
.btn.sm { padding: 8px 14px; font-size: 14px; }

/* --- Типографика секций -------------------------------------------------- */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 12px;
}

h1, h2, h3 { letter-spacing: -.02em; line-height: 1.12; margin: 0 0 16px; }
h1 { font-size: clamp(30px, 4.4vw, 50px); font-weight: 700; }
h2 { font-size: clamp(24px, 2.8vw, 34px); font-weight: 700; }
h3 { font-size: 19px; font-weight: 600; line-height: 1.25; }

.lead { font-size: 18px; color: var(--ink-2); max-width: 46em; }

.section { padding: 64px 0; border-top: 1px solid var(--rule-soft); }
.section.tight { padding: 44px 0; }
.section.plain { border-top: 0; }

/* --- Сетки --------------------------------------------------------------- */

.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }

/* --- Герой --------------------------------------------------------------- */

.hero { padding: 56px 0 64px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 560px);
  gap: 48px;
  align-items: start;
}
.hero h1 { max-width: 12em; }
.hero .lead { margin: 0 0 28px; }

.hero-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}
.hero-facts li {
  display: flex;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 15px;
}
.hero-facts b {
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--stamp);
  min-width: 26px;
}

/* --- Спецификация (ключевой блок) --------------------------------------- */

.spec {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--r);
  box-shadow: 0 1px 0 var(--rule-soft), 0 14px 34px -26px rgba(23, 31, 38, .5);
}

.spec-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--rule);
}
.spec-title { font-family: var(--font-mono); font-size: 13px; letter-spacing: .06em; text-transform: uppercase; }
.spec-no { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); }

.roles { display: flex; flex-wrap: wrap; gap: 0; border-bottom: 1px solid var(--rule); }
.role {
  flex: 1 1 auto;
  background: var(--paper-alt);
  border: 0;
  border-right: 1px solid var(--rule);
  padding: 11px 12px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink-2);
  cursor: pointer;
}
.role:last-child { border-right: 0; }
.role:hover { color: var(--ink); }
.role[aria-pressed="true"] { background: var(--card); color: var(--ink); font-weight: 600; box-shadow: inset 0 -2px 0 var(--stamp); }

.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 400;
  text-align: left;
  padding: 8px 20px;
  border-bottom: 1px solid var(--rule);
}
.spec-table th.num, .spec-table td.num { text-align: right; }
.spec-table td {
  padding: 10px 20px;
  border-bottom: 1px solid var(--rule-soft);
  vertical-align: middle;
  font-size: 15px;
}
.spec-table tbody tr:nth-child(even) { background: #F7F9F4; }
.spec-table tr.off td { color: var(--ink-3); }
.spec-table td.num { font-family: var(--font-mono); white-space: nowrap; }

.line-name { display: flex; gap: 10px; align-items: flex-start; }
.line-name label { cursor: pointer; }
.line-note { display: block; font-size: 12px; color: var(--ink-3); margin-top: 2px; }

.spec-table select {
  font-family: var(--font-body);
  font-size: 14px;
  padding: 4px 6px;
  margin-top: 4px;
  border: 1px solid var(--rule);
  border-radius: var(--r);
  background: #fff;
  color: var(--ink);
  max-width: 100%;
}

input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--stamp);
  margin: 3px 0 0;
  flex: 0 0 auto;
}

.spec-total {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  background: var(--paper-alt);
  border-top: 1px solid var(--rule);
}
.qty { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.qty input {
  width: 64px;
  font-family: var(--font-mono);
  font-size: 15px;
  padding: 6px 8px;
  border: 1px solid var(--rule);
  border-radius: var(--r);
  background: #fff;
  color: var(--ink);
}
.total-num {
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  letter-spacing: -.02em;
}
.total-sub { font-family: var(--font-mono); font-size: 11px; color: var(--ink-2); text-align: right; margin-top: 6px; }

.spec-actions { display: flex; gap: 10px; padding: 16px 20px; border-top: 1px solid var(--rule); flex-wrap: wrap; }
.spec-actions .btn { flex: 1 1 200px; }

/* --- Карточки ------------------------------------------------------------ */

.card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--r);
  padding: 22px;
  display: flex;
  flex-direction: column;
}
.card h3 { margin-bottom: 8px; }
.card p { margin: 0 0 14px; color: var(--ink-2); font-size: 15px; }
.card .price { font-family: var(--font-mono); font-size: 20px; margin-top: auto; padding-top: 10px; }
.card .price small { display: block; font-size: 11px; color: var(--ink-3); font-family: var(--font-mono); }

a.card { text-decoration: none; color: var(--ink); transition: border-color .15s ease, transform .15s ease; }
a.card:hover { border-color: var(--stamp); color: var(--ink); }

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 2px;
  background: var(--ok-soft);
  color: var(--ok);
  margin-bottom: 12px;
  align-self: flex-start;
}
.tag.order { background: var(--stamp-soft); color: var(--stamp); }
.tag.few { background: #FBEDE2; color: #A65420; }

/* --- Список фактов / документов ------------------------------------------ */

.facts { list-style: none; margin: 0; padding: 0; }
.facts li {
  padding: 14px 0 14px 30px;
  border-bottom: 1px solid var(--rule-soft);
  position: relative;
  font-size: 15px;
}
.facts li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 13px;
  color: var(--stamp);
  font-size: 14px;
}
.facts b { font-weight: 600; }

/* --- Печать (используется точечно) --------------------------------------- */

.stamp {
  display: inline-block;
  border: 2px solid var(--stamp);
  color: var(--stamp);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 10px 16px;
  border-radius: 4px;
  transform: rotate(-4deg);
  opacity: .85;
}

/* --- Таблица прайса ------------------------------------------------------ */

.price-table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--rule); }
.price-table th {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 400;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--rule);
}
.price-table td { padding: 12px 14px; border-bottom: 1px solid var(--rule-soft); font-size: 15px; }
.price-table tbody tr:nth-child(even) { background: #F7F9F4; }
.price-table td.num { font-family: var(--font-mono); text-align: right; white-space: nowrap; }
.price-table td.c { font-family: var(--font-mono); font-size: 13px; color: var(--ink-2); }

.table-scroll { overflow-x: auto; }

/* --- Форма заявки -------------------------------------------------------- */

.form { display: grid; gap: 14px; max-width: 520px; }
.field { display: grid; gap: 5px; }
.field label { font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); }
.field input, .field textarea {
  font-family: var(--font-body);
  font-size: 15px;
  padding: 10px 12px;
  border: 1px solid var(--rule);
  border-radius: var(--r);
  background: #fff;
  color: var(--ink);
  width: 100%;
}
.field textarea { min-height: 90px; resize: vertical; }
.form-note { font-size: 12px; color: var(--ink-3); margin: 0; }

/* --- Блок «полоса» ------------------------------------------------------- */

.band {
  background: var(--ink);
  color: #E6EBEF;
  border-radius: var(--r);
  padding: 34px;
}
.band h2 { color: #fff; }
.band p { color: #AEBAC3; }
.band .btn.quiet { color: #fff; border-color: #46535D; }
.band .btn.quiet:hover { background: #232D36; color: #fff; }

/* --- Подвал -------------------------------------------------------------- */

.foot { border-top: 1px solid var(--rule); padding: 40px 0 56px; margin-top: 24px; font-size: 14px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 26px; }
.foot h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); font-weight: 400; margin: 0 0 12px; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.foot a { color: var(--ink); text-decoration: none; }
.foot a:hover { text-decoration: underline; }
.foot-legal { margin-top: 30px; padding-top: 18px; border-top: 1px solid var(--rule-soft); color: var(--ink-3); font-size: 12px; font-family: var(--font-mono); }

/* --- Хлебные крошки ------------------------------------------------------ */

.crumbs { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); padding: 18px 0 0; }
.crumbs a { color: var(--ink-2); text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }

/* --- Прочее -------------------------------------------------------------- */

.muted { color: var(--ink-2); }
.mono { font-family: var(--font-mono); }
.mark { background: linear-gradient(transparent 58%, var(--mark) 58%); }
.hr { height: 1px; background: var(--rule-soft); border: 0; margin: 32px 0; }
.stack > * + * { margin-top: 14px; }

.faq { border-top: 1px solid var(--rule); }
.faq details { border-bottom: 1px solid var(--rule-soft); }
.faq summary {
  cursor: pointer;
  padding: 16px 0;
  font-weight: 500;
  font-size: 16px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--stamp); font-family: var(--font-mono); }
.faq details[open] summary::after { content: "–"; }
.faq p { margin: 0 0 16px; color: var(--ink-2); max-width: 62em; }

/* --- Адаптив ------------------------------------------------------------- */

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .burger { display: block; }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    flex-direction: column;
    gap: 0;
    padding: 8px 20px 16px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 11px 0; border-bottom: 1px solid var(--rule-soft); }
  .head-cta { display: none; }
  .g2, .g3 { grid-template-columns: 1fr; }
  .blank .wrap { font-size: 11px; gap: 10px; }
  .blank span:nth-child(n+3) { display: none; }
  .spec-total { flex-direction: column; align-items: stretch; gap: 12px; }
  .total-sub { text-align: left; }
  .section { padding: 46px 0; }
}

@media (max-width: 480px) {
  .g4 { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .spec-table th, .spec-table td { padding-left: 14px; padding-right: 14px; }
  .spec-head, .spec-total, .spec-actions { padding-left: 14px; padding-right: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* --- Выбор канала связи -------------------------------------------------- */

.channels { display: flex; flex-wrap: wrap; gap: 8px; }
.channels button {
  font-family: var(--font-body);
  font-size: 14px;
  padding: 9px 14px;
  border: 1px solid var(--rule);
  background: #fff;
  color: var(--ink);
  border-radius: var(--r);
  cursor: pointer;
}
.channels button:hover { border-color: var(--ink-3); }
.channels button[aria-pressed="true"] {
  background: var(--stamp);
  border-color: var(--stamp);
  color: #fff;
}

/* --- Комплектация: строки без интерактива --------------------------------- */

.kit { width: 100%; border-collapse: collapse; }
.kit td { padding: 10px 20px; border-bottom: 1px solid var(--rule-soft); font-size: 15px; vertical-align: top; }
.kit tr:nth-child(even) { background: #F7F9F4; }
.kit td.num { font-family: var(--font-mono); text-align: right; white-space: nowrap; }
.kit .line-note { display: block; font-size: 12px; color: var(--ink-3); margin-top: 2px; }

/* --- Готовы к выдаче ----------------------------------------------------- */

.ready { border-top: 1px solid var(--rule); }
.ready-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 18px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-soft);
}
.ready-row .what b { font-size: 16px; font-weight: 600; display: block; }
.ready-row .what span { font-size: 13px; color: var(--ink-2); }
.ready-row .spec-mini {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-2);
  display: block;
  margin-top: 3px;
}
.ready-row .p { font-family: var(--font-mono); font-size: 19px; white-space: nowrap; }
.ready-row .p small { display: block; font-family: var(--font-mono); font-size: 10px; color: var(--ink-3); text-align: right; }

@media (max-width: 700px) {
  .ready-row { grid-template-columns: 1fr auto; gap: 10px; }
  .ready-row .p { text-align: right; }
  .ready-row .go { grid-column: 1 / -1; }
  .ready-row .go .btn { width: 100%; }
}

/* --- Фикс переполнения таблиц комплектации ------------------------------- */

.spec { overflow: hidden; }

.spec-table,
.kit { table-layout: fixed; width: 100%; }

.spec-table th.num,
.spec-table td.num,
.kit td.num { width: 92px; }

.line-name { min-width: 0; }
.line-name > div { min-width: 0; flex: 1 1 auto; }

.spec-table select {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.spec-table td,
.kit td { overflow-wrap: anywhere; }

@media (max-width: 480px) {
  .spec-table th.num,
  .spec-table td.num,
  .kit td.num { width: 76px; }
}

/* --- Согласие на обработку данных ---------------------------------------- */

.consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.45;
  cursor: pointer;
}
.consent input { margin-top: 2px; }

/* --- Уведомление о cookie ------------------------------------------------ */

.cookie {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 60;
  background: var(--ink);
  color: #DAE2E8;
  border-radius: var(--r);
  padding: 14px 18px;
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 14px;
  box-shadow: 0 12px 32px -18px rgba(0,0,0,.8);
  max-width: 720px;
  margin: 0 auto;
}
.cookie a { color: #A9C4E8; }
.cookie .btn { margin-left: auto; }
@media (max-width: 560px) {
  .cookie .btn { margin-left: 0; width: 100%; }
}

/* --- Статьи блога -------------------------------------------------------- */

.article { max-width: 720px; }
.article h2 { font-size: 23px; margin: 40px 0 14px; }
.article h3 { font-size: 18px; margin: 26px 0 10px; }
.article p { font-size: 17px; line-height: 1.65; margin: 0 0 18px; }
.article ul, .article ol { font-size: 17px; line-height: 1.65; padding-left: 22px; margin: 0 0 18px; }
.article li { margin-bottom: 8px; }
.article .meta { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); margin-bottom: 26px; }

.takeaway {
  background: var(--paper-alt);
  border-left: 3px solid var(--stamp);
  border-radius: 0 var(--r) var(--r) 0;
  padding: 18px 22px;
  margin: 34px 0;
}
.takeaway h3 { margin-top: 0; font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); font-weight: 400; }
.takeaway p, .takeaway li { font-size: 15px; margin-bottom: 8px; }
.takeaway ul { margin-bottom: 0; }

.related { border-top: 1px solid var(--rule); margin-top: 44px; padding-top: 22px; }
.related h3 { font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); font-weight: 400; margin: 0 0 12px; }
.related ul { list-style: none; padding: 0; margin: 0; font-size: 16px; }
.related li { margin-bottom: 8px; }

.post-list { border-top: 1px solid var(--rule); }
.post-list a {
  display: block;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule-soft);
  text-decoration: none;
  color: var(--ink);
}
.post-list a:hover { background: #F7F9F4; }
.post-list b { display: block; font-size: 19px; font-weight: 600; margin-bottom: 5px; letter-spacing: -.01em; }
.post-list span { color: var(--ink-2); font-size: 15px; }
.post-list .m { display: block; font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); margin-top: 7px; }

/* --- Результат отправки формы -------------------------------------------- */

.form-result {
  border-radius: var(--r);
  padding: 14px 16px;
  font-size: 15px;
  line-height: 1.5;
  display: none;
}
.form-result.show { display: block; }
.form-result.ok { background: var(--ok-soft); color: #1F5C43; border: 1px solid #BFDCCC; }
.form-result.err { background: #FDF3F3; color: #8F2626; border: 1px solid #EFCDCD; }
.form-result b { display: block; margin-bottom: 4px; }

.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.btn[disabled] { opacity: .55; cursor: progress; }