/* ==========================================================================
   БОЖЕНОВ — запчасти для грузовиков и спецтехники
   Редизайн V2: стиль по референсу заказчика — тёмная премиум-система
   (глубокий тёмно-зелёный, белый uppercase как главный акцент,
   тёплое золото — редкие микро-акценты). Без внешних ресурсов.
   ========================================================================== */

:root {
  /* Палитра (по референсу) */
  --bg: #081412;            /* базовый фон */
  --bg-2: #0B1A16;          /* альтернативные секции */
  --surface: #0E231E;       /* карточки, панели */
  --surface-2: #143029;     /* hover карточек */
  --deep: #07100E;          /* оверлеи, полосы */
  --fg: #FFFFFF;            /* основной текст */
  --fg-soft: #D6DFDC;       /* смягчённый текст */
  --muted: #9AA8A4;         /* второстепенный текст */
  --muted-2: #B6C2BE;       /* ослабленный текст на карточках */
  --border: rgba(255, 255, 255, 0.15);
  --border-soft: rgba(255, 255, 255, 0.07);
  --accent: #FFFFFF;        /* главный акцент — белый */
  --gold: #C6A15B;          /* сдержанный тёплый акцент */
  --gold-soft: rgba(198, 161, 91, 0.14);
  --teal: #2F6F5E;          /* подсветки градиентов */
  --success: #8FD8B4;
  --warn: #C6A15B;
  --danger: #F2A3A3;
  --accent-ink: #081412;    /* текст на белом */

  /* Типографика */
  --font-sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  /* Форма */
  --radius: 2px;
  --radius-sm: 2px;
  --radius-lg: 4px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
  --container: 1180px;
}

/* ---------- Reset и база ---------- */

*, *::before, *::after { box-sizing: border-box; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--fg-soft);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; vertical-align: middle; }
a { color: var(--fg); text-decoration: none; transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease; }
a:hover { color: var(--fg); }
a:focus-visible, button:focus-visible, summary:focus-visible,
input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; }
li { margin-bottom: 0.4em; }
strong { font-weight: 600; }

h1, h2, h3, h4 {
  margin: 0 0 0.6em;
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: 0.045em;
  text-transform: uppercase;
  color: var(--fg);
}
h1 { font-size: clamp(1.9rem, 4.6vw, 3.3rem); line-height: 1.03; }
h2 { font-size: clamp(1.45rem, 2.9vw, 2.15rem); line-height: 1.06; }
h3 { font-size: 1.02rem; letter-spacing: 0.07em; }
h4 { font-size: 0.9rem; letter-spacing: 0.09em; }

.mono { font-family: var(--font-mono); letter-spacing: 0.02em; }

.eyebrow {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-bottom: 16px;
}

.lede { font-size: 1.02rem; font-weight: 400; color: var(--muted-2); max-width: 60ch; }
.muted { color: var(--muted); }
.small { font-size: 0.86rem; }
.tiny { font-size: 0.78rem; }

/* ---------- Контейнер и секции ---------- */

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 22px;
}

.section { padding: 72px 0; }
.section-tight { padding: 48px 0; }
.section-alt {
  background: linear-gradient(180deg, rgba(14, 35, 30, 0.55), rgba(11, 26, 22, 0.3));
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.section-head { max-width: 760px; margin-bottom: 38px; }
.section-head p { color: var(--muted); margin-bottom: 0; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--fg); color: var(--accent-ink);
  padding: 10px 16px; font-weight: 600; z-index: 100;
  text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.72rem;
}
.skip-link:focus { left: 0; }

/* ---------- Сетки ---------- */

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
}

/* ---------- Кнопки ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.85);
  background: transparent; color: var(--fg);
  font-family: inherit; font-size: 0.72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.12em;
  cursor: pointer; user-select: none; white-space: nowrap;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.12s ease;
}
.btn:active { transform: translateY(1px); }
.btn:hover { background: var(--fg); color: var(--accent-ink); border-color: var(--fg); }

/* Главный CTA — белая заливка */
.btn-accent { background: var(--fg); color: var(--accent-ink); border-color: var(--fg); }
.btn-accent:hover { background: rgba(255, 255, 255, 0.86); color: var(--accent-ink); border-color: rgba(255, 255, 255, 0.86); }

/* Контурная (базовая, как в референсе) */
.btn-outline { border-color: rgba(255, 255, 255, 0.7); color: var(--fg); background: transparent; }
.btn-outline:hover { background: var(--fg); color: var(--accent-ink); border-color: var(--fg); }

.btn-soft {
  background: rgba(255, 255, 255, 0.06); color: var(--fg);
  border-color: rgba(255, 255, 255, 0.22);
}
.btn-soft:hover { background: rgba(255, 255, 255, 0.12); color: var(--fg); border-color: rgba(255, 255, 255, 0.5); }

.btn-sm { padding: 10px 16px; font-size: 0.66rem; }
.btn-lg { padding: 16px 30px; font-size: 0.76rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.icon { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.icon-sm { width: 15px; height: 15px; }

/* ---------- Бейджи и чипы ---------- */

.badge {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 11px; border-radius: var(--radius);
  font-size: 0.62rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--border); color: var(--muted-2); background: transparent;
}
.badge-success { color: var(--success); border-color: rgba(143, 216, 180, 0.38); background: rgba(143, 216, 180, 0.06); }
.badge-warn { color: var(--warn); border-color: rgba(198, 161, 91, 0.4); background: var(--gold-soft); }
.badge-accent { color: var(--gold); border-color: rgba(198, 161, 91, 0.45); background: var(--gold-soft); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 10px 15px; border-radius: var(--radius);
  border: 1px solid var(--border); background: transparent; color: var(--muted-2);
  font-family: inherit; font-size: 0.68rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em; cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}
.chip:hover { border-color: rgba(255, 255, 255, 0.6); color: var(--fg); }
.chip.active { border-color: var(--fg); color: var(--fg); background: rgba(255, 255, 255, 0.08); }

/* ---------- Шапка ---------- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(8, 20, 18, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
}
.header-inner {
  display: flex; align-items: center; gap: 28px;
  height: 76px;
}
.logo { display: inline-flex; align-items: center; flex: none; }
.logo svg, .logo img { height: 44px; width: auto; }

.main-nav { display: flex; gap: 6px; margin-left: 10px; }
.main-nav a {
  padding: 10px 12px;
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted);
  border-bottom: 1px solid transparent;
}
.main-nav a:hover { color: var(--fg); border-bottom-color: rgba(255, 255, 255, 0.5); }
.main-nav a[aria-current="page"] { color: var(--fg); border-bottom-color: var(--fg); }

.header-actions { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.header-phone { font-size: 0.82rem; font-weight: 600; letter-spacing: 0.05em; white-space: nowrap; color: var(--fg); }
.header-phone:hover { color: var(--gold); }

.burger {
  display: none;
  width: 44px; height: 44px;
  background: transparent; border: 1px solid var(--border); border-radius: var(--radius);
  cursor: pointer; padding: 0;
  position: relative;
}
.burger:hover { border-color: rgba(255, 255, 255, 0.5); }
.burger span, .burger span::before, .burger span::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  width: 20px; height: 1.5px; background: var(--fg);
  transform: translate(-50%, -50%);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.burger span::before { top: -6px; }
.burger span::after { top: 6px; }
.burger[aria-expanded="true"] span { background: transparent; }
.burger[aria-expanded="true"] span::before { transform: rotate(45deg); top: 0; }
.burger[aria-expanded="true"] span::after { transform: rotate(-45deg); top: 0; }

.mobile-nav {
  display: none;
  border-top: 1px solid var(--border-soft);
  background: var(--bg);
  padding: 12px 0 20px;
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block; padding: 13px 22px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted-2);
  border-bottom: 1px solid var(--border-soft);
}
.mobile-nav a:hover { color: var(--fg); }
.mobile-nav a:last-of-type { border-bottom: 0; }
.mobile-nav .btn { margin: 16px 22px 0; width: calc(100% - 44px); }

@media (max-width: 1080px) {
  .main-nav { display: none; }
  .header-phone { display: none; }
  .burger { display: block; }
}

/* ---------- Быстрые ссылки (табы) ---------- */

.quick-tabs {
  border-bottom: 1px solid var(--border-soft);
  background: rgba(8, 20, 18, 0.5);
}
.quick-tabs .container {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 14px 38px; padding: 20px 22px;
}
.quick-tab {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted-2);
}
.quick-tab::before { content: "+"; color: var(--gold); font-size: 0.95rem; font-weight: 500; line-height: 1; }
.quick-tab:hover { color: var(--fg); }
@media (max-width: 640px) {
  .quick-tabs .container { justify-content: flex-start; gap: 10px 24px; padding: 16px 22px; }
}

/* ---------- Контактный рейл (десктоп) ---------- */

.contact-rail {
  position: fixed; left: 22px; top: 50%; transform: translateY(-50%);
  z-index: 40;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
}
.contact-rail a {
  display: inline-flex; padding: 3px;
  color: rgba(255, 255, 255, 0.55);
}
.contact-rail a:hover { color: var(--fg); }
.contact-rail .rail-line { display: block; width: 1px; height: 54px; background: rgba(255, 255, 255, 0.18); }
@media (max-width: 1300px) { .contact-rail { display: none; } }

/* ---------- Герой ---------- */

.hero {
  position: relative;
  padding: 72px 0 0;
  background:
    radial-gradient(58% 72% at 74% 12%, rgba(47, 111, 94, 0.34), transparent 64%),
    radial-gradient(46% 64% at 10% 92%, rgba(27, 59, 51, 0.5), transparent 62%),
    linear-gradient(168deg, #0C201B 0%, #0A1714 48%, #081412 100%);
  overflow: hidden;
}
.hero::before {
  content: "БОЖЕНОВ";
  position: absolute; right: -3%; top: 46%;
  transform: translateY(-52%);
  font-size: clamp(110px, 21vw, 340px);
  font-weight: 700; letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.024);
  pointer-events: none; white-space: nowrap; z-index: 0;
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 52px; align-items: start;
  padding-bottom: 58px;
}
.hero h1 { margin-bottom: 20px; }
.hero .lede { margin-bottom: 24px; }

.hero-label {
  display: block;
  font-size: 0.66rem; font-weight: 600; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--gold);
  margin-bottom: 12px;
}

.hero-search { display: flex; gap: 10px; max-width: 560px; margin-bottom: 14px; }
.hero-search .input {
  flex: 1;
  background: rgba(8, 20, 18, 0.66);
  border-color: rgba(255, 255, 255, 0.28);
  padding: 14px 16px;
}
.hero-facts { display: flex; flex-wrap: wrap; gap: 34px; margin-top: 34px; }
.hero-fact-value {
  font-size: 1.2rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--fg);
}
.hero-fact-label {
  font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); margin-top: 4px;
}

.hero-panel {
  background: rgba(7, 16, 14, 0.72);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}
.hero-panel h3 { margin-bottom: 10px; }
.hero-panel .muted { font-size: 0.9rem; }
.hero-panel .btn-row { margin-top: 20px; }
.hero-panel .btn { flex: 1 1 auto; }

/* Полоса направлений внизу героя */
.brand-bar {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border-soft);
  background: rgba(7, 16, 14, 0.62);
}
.brand-bar-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 14px 30px;
  padding: 17px 22px;
}
.brand-bar-label {
  font-size: 0.62rem; font-weight: 600; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--muted);
}
.brand-bar-list { display: flex; flex-wrap: wrap; gap: 14px 30px; }
.brand-bar a {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--muted-2);
}
.brand-bar a:hover { color: var(--fg); }
.brand-bar .brand-bar-all { color: var(--fg); border-bottom: 1px solid rgba(255, 255, 255, 0.4); padding-bottom: 2px; }
.brand-bar .brand-bar-all:hover { border-bottom-color: var(--fg); }

@media (max-width: 940px) {
  .hero { padding: 52px 0 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; padding-bottom: 44px; }
  .hero::before { font-size: clamp(90px, 24vw, 160px); top: 30%; }
}

/* ---------- Карточки ---------- */

.card {
  background: rgba(255, 255, 255, 0.022);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 26px;
}
.card-hover { transition: transform 0.18s ease, border-color 0.18s ease, background-color 0.18s ease; }
.card-hover:hover { transform: translateY(-3px); border-color: rgba(255, 255, 255, 0.3); background: rgba(255, 255, 255, 0.05); }

.card-title {
  font-size: 0.92rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 10px;
}
.card p:last-child { margin-bottom: 0; }

.card-icon {
  display: inline-flex; align-items: center; justify-content: flex-start;
  margin-bottom: 18px;
  color: var(--fg);
}
.card-icon .icon { width: 24px; height: 24px; stroke-width: 1.5; }

.brand-card { display: block; position: relative; }
.brand-card .brand-name {
  font-size: 1.35rem; font-weight: 700; letter-spacing: 0.09em;
  text-transform: uppercase; margin-bottom: 8px; color: var(--fg);
}
.brand-card p { color: var(--muted); font-size: 0.9rem; }
.brand-card .brand-more {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg); display: inline-flex; align-items: center; gap: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35); padding-bottom: 3px;
}
.brand-card .brand-more .icon { transition: transform 0.18s ease; }
.brand-card:hover .brand-more { border-bottom-color: var(--fg); }
.brand-card:hover .brand-more .icon { transform: translateX(4px); }

/* ---------- Шаги ---------- */

.steps { counter-reset: step; }
.step { position: relative; padding-left: 56px; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; left: 0; top: -4px;
  font-size: 1.35rem; font-weight: 700; letter-spacing: 0.08em;
  color: var(--gold);
}
.step .card-title { margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 0.92rem; }

/* ---------- Каталог ---------- */

.catalog-toolbar { display: grid; gap: 14px; margin-bottom: 24px; }
.catalog-search { display: flex; gap: 10px; }
.catalog-search .input { flex: 1; }

.catalog-meta { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.catalog-count { font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }

.table-wrap { overflow-x: auto; border: 1px solid var(--border-soft); border-radius: var(--radius-lg); background: rgba(255, 255, 255, 0.015); }
.catalog-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.catalog-table th {
  text-align: left; padding: 14px 16px;
  font-size: 0.62rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--muted); border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.catalog-table td { padding: 15px 16px; border-bottom: 1px solid var(--border-soft); vertical-align: middle; font-size: 0.94rem; color: var(--fg-soft); }
.catalog-table tr:last-child td { border-bottom: 0; }
.catalog-table tbody tr { transition: background-color 0.14s ease; }
.catalog-table tbody tr:hover { background: rgba(255, 255, 255, 0.03); }
.catalog-table .num { font-family: var(--font-mono); font-size: 0.88rem; color: var(--fg); white-space: nowrap; letter-spacing: 0.03em; }

.copy-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; margin-left: 9px;
  border: 1px solid var(--border-soft); border-radius: var(--radius);
  background: transparent; color: var(--muted); cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease;
  vertical-align: middle;
}
.copy-btn:hover { color: var(--fg); border-color: rgba(255, 255, 255, 0.5); }
.copy-btn.copied { color: var(--success); border-color: rgba(143, 216, 180, 0.45); }

.catalog-cards { display: none; }
.catalog-card {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 18px;
}
.catalog-card + .catalog-card { margin-top: 12px; }
.catalog-card .num { font-size: 0.9rem; color: var(--fg); }
.catalog-card .name { font-weight: 600; margin: 10px 0 12px; color: var(--fg); }
.catalog-card .row { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }

@media (max-width: 760px) {
  .table-wrap { display: none; }
  .catalog-cards { display: block; }
}

.empty-state {
  padding: 50px 26px; text-align: center;
  border: 1px dashed rgba(255, 255, 255, 0.25); border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.02);
}
.empty-state h3 { margin-bottom: 10px; }
.empty-state p { color: var(--muted); max-width: 46ch; margin: 0 auto 20px; }

/* ---------- FAQ (details) ---------- */

.faq { border-top: 1px solid var(--border-soft); }
.faq details { border-bottom: 1px solid var(--border-soft); }
.faq summary {
  display: flex; justify-content: space-between; align-items: center; gap: 18px;
  padding: 20px 2px; cursor: pointer; list-style: none;
  font-weight: 600; font-size: 0.88rem; letter-spacing: 0.08em;
  text-transform: uppercase;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; flex: none;
  font-size: 1.3rem; font-weight: 300; line-height: 1;
  color: var(--fg);
  transition: transform 0.2s ease;
}
.faq details[open] summary::after { content: "–"; }
.faq .faq-body { padding: 0 2px 22px; color: var(--muted); max-width: 78ch; font-size: 0.94rem; }
.faq .faq-body p:last-child { margin-bottom: 0; }

/* ---------- Формы ---------- */

.form-card {
  background: rgba(255, 255, 255, 0.022);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
}
.field { display: grid; gap: 7px; margin-bottom: 16px; }
.label {
  font-size: 0.66rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted-2);
}
.label .req { color: var(--gold); }

.input, .textarea, .select {
  width: 100%; padding: 13px 14px;
  background: rgba(8, 20, 18, 0.55); color: var(--fg);
  border: 1px solid rgba(255, 255, 255, 0.18); border-radius: var(--radius);
  font-family: inherit; font-size: 0.95rem;
  transition: border-color 0.18s ease;
}
.textarea { min-height: 96px; resize: vertical; }
.input::placeholder, .textarea::placeholder { color: var(--muted); opacity: 0.75; }
.input:focus, .textarea:focus, .select:focus {
  outline: none; border-color: rgba(255, 255, 255, 0.75);
}
.field.invalid .input, .field.invalid .textarea { border-color: var(--danger); }
.field .error-text { display: none; font-size: 0.78rem; color: var(--danger); }
.field.invalid .error-text { display: block; }

.form-note { font-size: 0.76rem; color: var(--muted); margin-top: 14px; }

/* ---------- Модальное окно ---------- */

dialog.modal {
  width: min(500px, calc(100vw - 32px));
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface); color: var(--fg-soft);
  padding: 32px; box-shadow: var(--shadow);
}
dialog.modal::backdrop { background: rgba(6, 12, 10, 0.78); }
dialog.modal h3 { margin-bottom: 12px; }
dialog.modal p { color: var(--muted-2); font-size: 0.94rem; }
dialog.modal .modal-close {
  position: absolute; top: 14px; right: 14px;
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--muted); cursor: pointer; font-size: 1rem; line-height: 1;
}
dialog.modal .modal-close:hover { color: var(--fg); border-color: rgba(255, 255, 255, 0.5); }
dialog.modal .btn-block { margin-top: 6px; }

/* ---------- ИИ-ассистент ---------- */

.assistant { position: fixed; right: 22px; bottom: 22px; z-index: 70; }
.assistant-toggle {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 19px; border-radius: var(--radius);
  background: rgba(8, 20, 18, 0.85); color: var(--fg);
  border: 1px solid rgba(255, 255, 255, 0.75);
  font-family: inherit; font-size: 0.7rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.12em;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: background-color 0.18s ease, color 0.18s ease, transform 0.15s ease;
}
.assistant-toggle:hover { background: var(--fg); color: var(--accent-ink); transform: translateY(-2px); }
.assistant-toggle .icon { width: 18px; height: 18px; }

.assistant-panel {
  position: fixed; right: 22px; bottom: 90px; z-index: 75;
  width: min(390px, calc(100vw - 28px));
  max-height: min(580px, calc(100vh - 130px));
  display: none; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow); overflow: hidden;
}
.assistant-panel.open { display: flex; }
.assistant-head {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 18px; border-bottom: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.03);
}
.assistant-head .avatar {
  width: 36px; height: 36px; flex: none;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius); border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--fg);
}
.assistant-head .t { font-weight: 700; font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; line-height: 1.3; }
.assistant-head .s { font-size: 0.72rem; color: var(--muted); }
.assistant-close {
  margin-left: auto; width: 32px; height: 32px;
  background: transparent; border: 1px solid var(--border-soft); border-radius: var(--radius);
  color: var(--muted); cursor: pointer; font-size: 1rem; line-height: 1;
}
.assistant-close:hover { color: var(--fg); border-color: rgba(255, 255, 255, 0.5); }

.assistant-log { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 85%; padding: 11px 14px; border-radius: var(--radius-lg); font-size: 0.9rem; line-height: 1.55; }
.msg.bot { align-self: flex-start; background: rgba(255, 255, 255, 0.06); border: 1px solid var(--border-soft); color: var(--fg-soft); }
.msg.user { align-self: flex-end; background: rgba(255, 255, 255, 0.12); border: 1px solid var(--border); color: var(--fg); }

.assistant-quick { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 16px 12px; }
.assistant-quick button {
  padding: 9px 12px; border-radius: var(--radius);
  border: 1px solid var(--border); background: transparent; color: var(--muted-2);
  font-family: inherit; font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.04em; cursor: pointer;
}
.assistant-quick button:hover { border-color: rgba(255, 255, 255, 0.6); color: var(--fg); }

.assistant-foot { padding: 12px 16px; border-top: 1px solid var(--border-soft); font-size: 0.7rem; color: var(--muted); }

@media (max-width: 520px) {
  .assistant { right: 14px; bottom: 14px; }
  .assistant-panel { right: 10px; bottom: 84px; }
}

/* ---------- Подвал ---------- */

.site-footer { border-top: 1px solid var(--border-soft); background: var(--bg-2); margin-top: 8px; }
.footer-main { display: grid; grid-template-columns: 1.35fr 1fr 1fr 1.1fr; gap: 36px; padding: 60px 0 44px; }
.footer-main h4 {
  font-size: 0.64rem; text-transform: uppercase; letter-spacing: 0.2em;
  color: var(--muted); font-weight: 600; margin-bottom: 16px;
}
.footer-main a { display: block; padding: 5px 0; color: var(--muted-2); font-size: 0.9rem; }
.footer-main a:hover { color: var(--fg); }
.footer-brand .logo svg, .footer-brand .logo img { height: 40px; }
.footer-brand p { color: var(--muted); font-size: 0.86rem; margin-top: 16px; max-width: 34ch; }
.footer-contacts a { display: inline-flex; align-items: center; gap: 9px; }
.footer-bottom {
  border-top: 1px solid var(--border-soft);
  padding: 22px 0; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  color: var(--muted); font-size: 0.76rem;
}

@media (max-width: 1024px) { .footer-main { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .footer-main { grid-template-columns: 1fr; gap: 28px; padding: 44px 0 32px; } }

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

.breadcrumbs {
  padding: 20px 0 0; font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted);
}
.breadcrumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 9px; }
.breadcrumbs li { margin: 0; display: inline-flex; align-items: center; gap: 9px; }
.breadcrumbs li + li::before { content: "›"; color: var(--muted); opacity: 0.7; }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--fg); }
.breadcrumbs [aria-current="page"] { color: var(--muted-2); }

/* ---------- Страница-статья (prose) ---------- */

.page-head { padding: 48px 0 32px; }
.page-head h1 { max-width: 24ch; }
.page-head .lede { margin-top: 16px; }

.prose { max-width: 74ch; }
.prose h2 { margin-top: 2em; font-size: 1.35rem; }
.prose h3 { margin-top: 1.6em; }
.prose p, .prose li { color: var(--muted-2); }
.prose ul, .prose ol { padding-left: 1.35em; }
.prose blockquote {
  margin: 1.7em 0; padding: 18px 22px;
  border-left: 2px solid var(--gold);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  color: var(--fg-soft);
}
.prose blockquote p:last-child { margin-bottom: 0; }
.prose .note {
  border: 1px solid var(--border-soft); border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.025); padding: 20px 22px; margin: 1.7em 0;
}
.prose .note p:last-child { margin-bottom: 0; }
.prose a { border-bottom: 1px solid rgba(255, 255, 255, 0.35); }
.prose a:hover { border-bottom-color: var(--fg); }

.article-meta {
  display: flex; flex-wrap: wrap; gap: 16px; align-items: center;
  color: var(--muted); font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; margin-top: 18px;
}

/* ---------- Прочее ---------- */

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }

.check-list { list-style: none; padding: 0; }
.check-list li { display: flex; gap: 12px; margin-bottom: 12px; color: var(--muted-2); }
.check-list .icon { color: var(--fg); margin-top: 3px; width: 17px; height: 17px; stroke-width: 1.7; }

.metric { text-align: left; }
.metric .value {
  font-size: 1.55rem; font-weight: 700; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--fg);
}
.metric .label {
  font-size: 0.64rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); margin-top: 5px;
}

.divider { height: 1px; background: var(--border-soft); border: 0; margin: 0; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg); border-bottom: 1px solid rgba(255, 255, 255, 0.35); padding-bottom: 3px;
}
.link-arrow:hover { border-bottom-color: var(--fg); color: var(--fg); }
.link-arrow .icon { width: 15px; height: 15px; transition: transform 0.18s ease; }
.link-arrow:hover .icon { transform: translateX(4px); }

.cta-band {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(70% 120% at 82% 0%, rgba(47, 111, 94, 0.32), transparent 60%),
    linear-gradient(120deg, rgba(20, 48, 41, 0.75), rgba(11, 26, 22, 0.9));
  padding: 40px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; align-items: center;
}
.cta-band h2 { margin-bottom: 10px; }
.cta-band p { color: var(--muted-2); margin: 0; }
@media (max-width: 860px) { .cta-band { grid-template-columns: 1fr; padding: 28px; } }

/* ---------- Тосты и подсветка ---------- */

#toast {
  position: fixed; left: 50%; bottom: 26px; z-index: 90;
  transform: translate(-50%, 16px);
  background: var(--surface); color: var(--fg);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 12px 20px; font-size: 0.86rem; font-weight: 500;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: var(--shadow); max-width: min(86vw, 480px);
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }

mark {
  background: rgba(198, 161, 91, 0.32);
  color: inherit; border-radius: 1px; padding: 0 2px;
}

/* ---------- Cookie-согласие ---------- */

#cookie-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 95;
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: center;
  padding: 14px 20px;
  background: rgba(11, 26, 22, 0.97);
  border-top: 1px solid var(--border);
  color: var(--fg-soft); font-size: 0.88rem;
  backdrop-filter: blur(8px);
}
#cookie-bar a { color: var(--fg); border-bottom: 1px solid rgba(255, 255, 255, 0.35); }
#cookie-bar a:hover { border-bottom-color: var(--fg); color: var(--fg); }
#cookie-bar button {
  background: var(--fg); color: var(--accent-ink); border: 0;
  font-family: inherit; font-weight: 600; font-size: 0.68rem;
  text-transform: uppercase; letter-spacing: 0.1em;
  padding: 10px 22px; border-radius: var(--radius); cursor: pointer;
  transition: background-color 0.18s ease;
}
#cookie-bar button:hover { background: rgba(255, 255, 255, 0.86); }
@media (max-width: 640px) { #cookie-bar { font-size: 0.8rem; padding: 12px 14px; } }

/* ---------- Доступность / движение ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  padding: 0; border: 0; clip: rect(0 0 0 0); overflow: hidden; white-space: nowrap;
}