/* ТверьНавес — стили статических страниц каталога, коммерческих и информационных разделов.
   Область изолирована префиксом sp-, общие токены и типографика берутся из styles.css.
   Инлайновые стили не используются: CSP сайта разрешает только собственные файлы. */

/* Чуть более тёмные оттенки сохраняют палитру и повышают контраст текста. */
:root { --muted: #53686b; --accent: #3b695a; }
.lead-form input::placeholder, .lead-form textarea::placeholder { color: var(--muted); opacity: 1; }
.hero h1, .sp-page-head h1 { letter-spacing: -.03em; }

/* ---------- Каркас страницы ---------- */

.sp-main { padding-block: 34px 0; }
.sp-body { display: flex; flex-direction: column; min-height: 100vh; }
.sp-body .sp-main { flex: 1 0 auto; }
.sp-page-head { max-width: 820px; margin-bottom: 42px; }
.sp-page-head h1 { margin-bottom: 20px; }
.sp-kicker { color: var(--accent); font-size: 13px; font-weight: 650; letter-spacing: .02em; margin-bottom: 14px; }
.sp-lead { display: grid; gap: 14px; }
.sp-lead p, .sp-lead-single { color: var(--muted); font-size: 16px; line-height: 1.85; max-width: 760px; }
.sp-paragraph { color: var(--muted); font-size: 15px; line-height: 1.85; max-width: 780px; }
.sp-paragraph + .sp-paragraph { margin-top: 14px; }
.sp-section { padding-block: 0 58px; }
.sp-section h2 { font-size: clamp(24px, 2.2vw, 32px); letter-spacing: -1px; margin-bottom: 22px; }
.sp-note { color: var(--muted); font-size: 12px; line-height: 1.8; max-width: 800px; margin-top: 6px; }

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

.sp-breadcrumbs { margin-bottom: 24px; }
.sp-breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; font-size: 12px; color: var(--muted); }
.sp-breadcrumbs li + li::before { content: '/'; margin-right: 8px; color: #b6c5c1; }
.sp-breadcrumbs a { text-decoration: underline; text-underline-offset: 3px; }
.sp-breadcrumbs a:hover { color: var(--accent); }

/* ---------- Мегаменю (десктоп) ---------- */

.sp-mega { position: relative; }
.sp-mega-summary { display: flex; align-items: center; gap: 6px; cursor: pointer; list-style: none; min-height: 44px; }
.sp-mega-summary::-webkit-details-marker { display: none; }
.sp-mega-summary svg { width: 16px; height: 16px; transition: transform .15s; }
.sp-mega[open] > .sp-mega-summary svg { transform: rotate(180deg); }
.sp-mega-summary:hover { color: var(--accent); }
.sp-mega-panel { position: absolute; top: calc(100% + 14px); left: -28px; z-index: 8; width: min(880px, calc(100vw - 80px)); background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: 0 18px 38px #183f4814; }
.sp-mega-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.sp-mega-title { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 12px; font-weight: 650; }
.sp-mega-col ul, .sp-mega-foot { list-style: none; margin: 0; padding: 0; }
.sp-mega-col li + li { margin-top: 9px; }
.sp-mega-col a { font-size: 13px; }
.sp-mega-col a:hover { color: var(--accent); }
.sp-mega-foot { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 12px; font-weight: 600; }
.sp-mega-foot a { text-decoration: underline; text-underline-offset: 3px; }
.sp-mega-foot a:hover { color: var(--accent); }

/* ---------- Мобильное меню ---------- */

.sp-mobile-menu { border-top: 1px solid var(--line); }
.sp-mobile-group { border-bottom: 1px solid var(--line); }
.sp-mobile-group > summary { padding: 13px 0; cursor: pointer; font-size: 13px; font-weight: 600; color: var(--ink); list-style: none; position: relative; }
.sp-mobile-group > summary::-webkit-details-marker { display: none; }
.sp-mobile-group > summary::after { content: '+'; position: absolute; right: 4px; top: 11px; font-size: 20px; color: var(--accent); }
.sp-mobile-group[open] > summary::after { content: '−'; }
.sp-mobile-group ul { list-style: none; margin: 0 0 12px; padding: 0 0 0 14px; border-left: 1px solid var(--line); }
.sp-mobile-group li + li { margin-top: 4px; }
.sp-mobile-group a { display: block; padding: 8px 0; font-size: 13px; }
.sp-mobile-group .sp-mobile-group > summary { padding-left: 0; font-weight: 550; }
.sp-mobile-cta { margin: 16px 0 4px; padding: 14px 18px; background: var(--ink); color: #fff; border-radius: 7px; text-align: center; font-weight: 600; }

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

.sp-model-grid, .sp-article-grid, .sp-podborki, .sp-related, .sp-bullets, .sp-criteria, .sp-filter-group ul { list-style: none; margin: 0; padding: 0; }
.sp-model-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.sp-model-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.sp-model-card[hidden] { display: none; }
.sp-model-media { display: block; position: relative; height: 210px; background: var(--sage); }
.sp-model-media img { width: 100%; height: 100%; object-fit: cover; }
.sp-visual-tag { position: absolute; top: 12px; left: 12px; background: #ffffffee; padding: 4px 9px; border-radius: 4px; font-size: 10px; font-weight: 600; color: var(--ink); }
.sp-visual-tag-inline { position: static; background: var(--mist); padding: 3px 8px; }
.sp-model-body { display: flex; flex-direction: column; flex: 1; padding: 22px; }
.sp-model-name { font-size: 20px; letter-spacing: -.5px; margin-bottom: 12px; }
.sp-model-name a:hover { color: var(--accent); }
.sp-model-summary { color: var(--muted); font-size: 13px; line-height: 1.8; }
.sp-model-facts { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 18px 0; padding: 0; }
.sp-model-facts li { font-size: 10px; background: var(--mist); border-radius: 4px; padding: 5px 8px; color: #536d6a; }
.sp-model-links { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); }
.sp-card-link { font-size: 13px; font-weight: 650; color: var(--ink); min-height: 44px; display: inline-flex; align-items: center; gap: 8px; }
.sp-card-link:hover { color: var(--accent); }
.sp-card-link-quiet { font-weight: 550; color: var(--muted); }

/* ---------- Подборки ---------- */

.sp-podborki { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 26px; }
.sp-podborki-title { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 650; margin-bottom: 12px; }
.sp-podborki ul { list-style: none; margin: 0; padding: 0; }
.sp-podborki li + li { margin-top: 8px; }
.sp-podborki a { font-size: 13px; }
.sp-podborki a:hover { color: var(--accent); }

/* ---------- Фильтры ---------- */

.sp-filters { background: var(--mist); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.sp-filter-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 22px; }
.sp-filter-group { border: 0; margin: 0; padding: 0; }
.sp-filter-group legend { padding: 0; font-size: 13px; font-weight: 650; color: var(--ink); margin-bottom: 12px; }
.sp-filter-group li + li { margin-top: 8px; }
.sp-filter-group label { display: flex; align-items: center; gap: 9px; font-size: 13px; min-height: 32px; cursor: pointer; }
.sp-filter-group input { width: 17px; height: 17px; accent-color: var(--ink); }
.sp-filter-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; margin-top: 22px; padding-top: 18px; border-top: 1px solid #d3e0dc; }
.sp-filter-status { font-size: 12px; color: var(--muted); }
.sp-filter-reset { background: #fff; border: 1px solid #c7d6d2; border-radius: 6px; padding: 11px 16px; font-size: 12px; font-weight: 600; color: var(--ink); min-height: 44px; }
.sp-filter-reset:hover { border-color: var(--accent); color: var(--accent); }
.sp-filters .sp-note { margin-top: 14px; }

/* ---------- Таблицы ---------- */

.sp-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.sp-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 540px; }
.sp-table caption { text-align: left; padding: 16px 20px 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.sp-table th, .sp-table td { text-align: left; padding: 14px 20px; border-bottom: 1px solid var(--line); vertical-align: top; }
.sp-table thead th { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 650; background: var(--mist); }
.sp-table tbody tr:last-child th, .sp-table tbody tr:last-child td { border-bottom: 0; }
.sp-spec { min-width: 480px; }
.sp-spec th { width: 42%; font-weight: 600; color: var(--ink); }
.sp-spec td { color: var(--muted); }

/* ---------- Списки ---------- */

.sp-criteria { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 26px; }
.sp-criteria li { border-top: 1px solid #b9ccc6; padding-top: 20px; }
.sp-criteria h3 { font-size: 17px; margin-bottom: 12px; }
.sp-criteria p { color: var(--muted); font-size: 13px; line-height: 1.8; }
.sp-bullets li { position: relative; padding-left: 22px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.sp-bullets li + li { margin-top: 10px; }
.sp-bullets li::before { content: ''; position: absolute; left: 4px; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.sp-bullets-warn li::before { background: #9e332d; }
.sp-related { display: flex; flex-wrap: wrap; gap: 10px 24px; }
.sp-related a { font-size: 13px; text-decoration: underline; text-underline-offset: 3px; }
.sp-related a:hover { color: var(--accent); }

/* ---------- FAQ ---------- */

.sp-faq-list { border-top: 1px solid var(--line); max-width: 860px; }
.sp-faq-item { border-bottom: 1px solid var(--line); }
.sp-faq-item > summary { list-style: none; cursor: pointer; padding: 20px 40px 20px 0; font-size: 14px; font-weight: 600; color: var(--ink); position: relative; }
.sp-faq-item > summary::-webkit-details-marker { display: none; }
.sp-faq-item > summary::after { content: '+'; position: absolute; right: 6px; top: 15px; font-size: 24px; color: var(--accent); }
.sp-faq-item[open] > summary::after { content: '−'; }
.sp-faq-answer p { color: var(--muted); font-size: 13px; line-height: 1.85; padding: 0 0 22px; max-width: 740px; }

/* ---------- Модель, статьи, CTA, 404 ---------- */

.sp-model-figure { margin: 0 0 48px; border-radius: var(--radius); overflow: hidden; background: var(--sage); }
.sp-model-figure img { width: 100%; height: auto; }
.sp-model-figure figcaption { padding: 12px 18px; font-size: 11px; color: var(--muted); background: #fff; border: 1px solid var(--line); border-top: 0; }
.sp-article-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.sp-article-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; background: #fff; }
.sp-article-card h3 { font-size: 19px; margin-bottom: 12px; letter-spacing: -.4px; }
.sp-article-card h3 a:hover { color: var(--accent); }
.sp-article-card > p:not(.sp-kicker):not(.sp-model-links) { color: var(--muted); font-size: 13px; line-height: 1.8; }
.sp-article-card .sp-model-links { margin-top: auto; }
.sp-cta { background: var(--mist); border-radius: var(--radius); padding: 34px; margin-bottom: 58px; }
.sp-cta-text { color: var(--muted); font-size: 15px; line-height: 1.85; max-width: 700px; margin-top: 14px; }
.sp-cta-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 24px; }
.sp-cta-secondary { font-size: 13px; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.sp-callout { border: 1px solid var(--line); border-left: 1px solid var(--line); border-radius: 8px; padding: 26px; margin-bottom: 48px; background: #fff; max-width: 820px; }
.sp-callout h2 { font-size: 20px; margin-bottom: 12px; }
.sp-callout p { color: var(--muted); font-size: 14px; line-height: 1.8; }
.sp-callout p + p { margin-top: 14px; }
.sp-callout-quiet { border-left-color: #b9ccc6; background: #fafcfb; }
.sp-404 { padding-block: 60px 90px; max-width: 720px; }
.sp-404 h1 { margin-bottom: 20px; }
.sp-404 .sp-related { margin-top: 26px; flex-direction: column; gap: 12px; }

/* ---------- Блоки главной страницы ---------- */

.sp-home-subtitle { font-size: 20px; letter-spacing: -.5px; margin: 44px 0 20px; }
.sp-home-models { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.sp-home-models li { display: flex; flex-direction: column; gap: 8px; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 20px; }
.sp-home-models a { font-size: 15px; font-weight: 650; color: var(--ink); }
.sp-home-models a:hover { color: var(--accent); }
.sp-home-models span { font-size: 12px; color: var(--muted); }
.sp-guide-links { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.sp-guide-links a { display: flex; flex-direction: column; gap: 8px; min-height: 100%; border-top: 1px solid #b9ccc6; padding-top: 18px; }
.sp-guide-links strong { font-size: 15px; color: var(--ink); font-weight: 650; }
.sp-guide-links span { font-size: 12px; color: var(--muted); line-height: 1.75; }
.sp-guide-links a:hover strong { color: var(--accent); }

/* ---------- Подвал ---------- */

.sp-footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 34px; }
.sp-footer-brand .brand { margin-bottom: 16px; }
.sp-footer-place, .sp-footer-contacts { font-size: 12px; color: var(--muted); line-height: 1.8; }
.sp-footer-cta { display: inline-block; margin-top: 16px; font-size: 12px; font-weight: 650; text-decoration: underline; text-underline-offset: 3px; }
.sp-footer-cta:hover { color: var(--accent); }
.sp-footer-title { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 650; margin-bottom: 14px; }
.sp-footer-col ul { list-style: none; margin: 0; padding: 0; }
.sp-footer-col li + li { margin-top: 9px; }
.sp-footer-col a { font-size: 12px; }
.sp-footer-col a:hover { color: var(--accent); }
.sp-footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; border-top: 1px solid var(--line); padding-top: 20px; margin-top: 34px; font-size: 10px; color: var(--muted); }

/* ---------- Адаптивность ---------- */

@media (max-width: 1100px) {
  .sp-model-grid { grid-template-columns: repeat(2, 1fr); }
  .sp-mega-cols { grid-template-columns: repeat(2, 1fr); }
  .sp-footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .sp-guide-links { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
  .sp-mega { display: none; }
  .sp-model-grid { gap: 18px; }
  .sp-section { padding-block: 0 44px; }
  .sp-page-head { margin-bottom: 32px; }
  .sp-cta { padding: 26px; }
  .sp-footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .sp-main { padding-block: 24px 0; }
  .sp-model-grid { grid-template-columns: 1fr; gap: 20px; }
  .sp-model-media { height: 230px; }
  .sp-home-models { grid-template-columns: 1fr; }
  .sp-guide-links { grid-template-columns: 1fr; }
  .sp-filters { padding: 18px; }
  .sp-filter-grid { gap: 18px; }
  .sp-cta { padding: 22px; border-radius: 10px; }
  .sp-cta-actions .button { width: 100%; }
  .sp-footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .sp-breadcrumbs ol { font-size: 11px; }
  .sp-table { min-width: 480px; }
}