/* gost.css - GOST reference page styles. Extends site.css. */
@import url('./site.css?v=9');

/* ========== TRUST STRIP (reused) ========================================== */
.trust-strip { display: flex; gap: 12px; flex-wrap: wrap; padding: 12px 16px; background: #fff; border: 1px solid var(--border-1); border-radius: var(--r-3); }
.trust-strip__item { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--fg-1); padding-right: 14px; border-right: 1px solid var(--border-1); }
.trust-strip__item:last-child { border-right: 0; padding-right: 0; }
.trust-strip__item svg { color: var(--c-accent); flex: 0 0 16px; }

/* ========== PAGE HEAD ===================================================== */
.gp-head { padding: 24px 0 28px; background: var(--bg-soft); border-bottom: 1px solid var(--border-1); }
.gp-head__crumbs { font-size: 13px; color: var(--fg-3); display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin: 0 0 14px; }
.gp-head__crumbs a { color: var(--fg-3); text-decoration: none; }
.gp-head__crumbs a:hover { color: var(--fg-1); }
.gp-head__crumbs .sep { color: var(--c-steel-300); }
.gp-head__crumbs .cur { color: var(--fg-1); }
.gp-head__badge { display: inline-flex; align-items: center; gap: 8px; padding: 5px 10px; background: var(--c-accent-soft); color: var(--c-accent); font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; border-radius: var(--r-2); }
.gp-head__top { display: flex; gap: 16px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.gp-head__updated { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); }
.gp-head h1 { font-size: 40px; font-weight: 600; letter-spacing: -0.015em; line-height: 1.12; margin: 0 0 16px; max-width: 30ch; }
.gp-head__h1-num { font-family: var(--font-mono); color: var(--c-accent); }
.gp-head__lede { font-size: 16px; color: var(--fg-2); line-height: 1.65; max-width: 72ch; margin: 0; }

/* ========== INTRO GRID (lede + meta-card) ================================= */
.gp-intro { padding: 36px 0 24px; }
.gp-intro__grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: start; }

.gp-meta {
  background: #fff;
  border: 1px solid var(--border-1);
  border-radius: var(--r-3);
  padding: 20px 22px 22px;
}
.gp-meta__h { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--fg-3); margin-bottom: 14px; font-weight: 600; }
.gp-meta__list { list-style: none; padding: 0; margin: 0 0 16px; display: grid; gap: 10px; }
.gp-meta__list li { display: grid; grid-template-columns: 130px 1fr; gap: 14px; align-items: baseline; font-size: 13px; line-height: 1.45; }
.gp-meta__list .k { color: var(--fg-3); font-size: 12px; }
.gp-meta__list .v { color: var(--fg-1); }
.gp-meta__list .v.t-num { font-size: 13px; }
.gp-meta__list .v a { color: var(--c-accent); text-decoration: none; }
.gp-meta__list .v a:hover { text-decoration: underline; }
.gp-meta__status { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; color: var(--c-success); }
.gp-meta__status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--c-success); }
.gp-meta__status--partial { color: var(--c-warning); }
.gp-meta__status--partial::before { background: var(--c-warning); }
.gp-meta__status--replaced { color: var(--c-danger); }
.gp-meta__status--replaced::before { background: var(--c-danger); }
.gp-meta__btns { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.gp-meta__btns .btn { flex: 1; justify-content: center; min-width: 130px; }
.gp-meta__cntd {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--fg-3);
  padding-top: 14px; border-top: 1px solid var(--border-1);
}
.gp-meta__cntd a { color: var(--fg-2); text-decoration: none; border-bottom: 1px solid var(--c-steel-300); }
.gp-meta__cntd a:hover { color: var(--c-accent); border-bottom-color: var(--c-accent); }

/* paragraphs prose */
.gp-prose { font-size: 16px; line-height: 1.7; color: var(--fg-1); max-width: 70ch; }
.gp-prose p { margin: 0 0 14px; }
.gp-prose p:last-child { margin-bottom: 0; }
.gp-prose a { color: var(--c-accent); text-decoration: none; border-bottom: 1px solid rgba(43,92,138,0.3); }
.gp-prose a:hover { border-bottom-color: var(--c-accent); }
.gp-prose strong { font-weight: 600; }

/* ========== TOC =========================================================== */
.gp-toc { padding: 0 0 24px; }
.gp-toc__inner {
  display: flex; flex-wrap: wrap; gap: 6px 10px;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--border-1);
  border-radius: var(--r-3);
}
.gp-toc__h { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--fg-3); font-weight: 600; margin-right: 16px; align-self: center; }
.gp-toc__inner a {
  font-size: 13px;
  color: var(--fg-2);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px dotted var(--c-steel-300);
}
.gp-toc__inner a::before { content: counter(gp-toc) " · "; counter-increment: gp-toc; font-family: var(--font-mono); color: var(--c-accent); }
.gp-toc__inner { counter-reset: gp-toc; }
.gp-toc__inner a:hover { color: var(--c-accent); border-bottom-color: var(--c-accent); }

/* ========== SECTIONS ====================================================== */
.gp-section { padding: 56px 0; }
.gp-section--soft { background: var(--bg-soft); }
.gp-section--dark { background: var(--c-graphite); color: #fff; }
.gp-section__title { font-size: 28px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.18; margin: 0 0 18px; }
.gp-section__title-num { font-family: var(--font-mono); color: var(--c-accent); font-weight: 500; font-size: 14px; display: block; margin-bottom: 6px; letter-spacing: 0; }
.gp-section__sub { font-size: 14px; color: var(--fg-3); margin: 0 0 28px; max-width: 64ch; }

/* ========== TABLES (classes / sortament / diff) =========================== */
.gp-table { margin-bottom: 14px; }
.gp-table .tbl thead th { font-size: 11px; }
.gp-table .tbl tbody td { font-size: 13px; padding: 10px 14px; vertical-align: top; }
.gp-table .tbl td.num, .gp-table .tbl th.num { white-space: nowrap; }
.gp-table .tbl td .role { color: var(--fg-3); font-size: 12px; display: block; margin-top: 2px; }
.gp-table .tbl td.head-c { font-weight: 600; font-family: var(--font-mono); color: var(--c-accent); }
.gp-table__note { font-size: 13px; color: var(--fg-3); line-height: 1.5; margin-top: 8px; }
.gp-table__note a { color: var(--c-accent); text-decoration: none; border-bottom: 1px solid rgba(43,92,138,0.3); }
.gp-table__note a:hover { border-bottom-color: var(--c-accent); }

/* ========== MARKS LIST ==================================================== */
.gp-marks {
  background: #fff;
  border: 1px solid var(--border-1);
  border-radius: var(--r-3);
  overflow: hidden;
}
.gp-mark {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--border-1);
  align-items: baseline;
}
.gp-mark:last-child { border-bottom: 0; }
.gp-mark__class { font-family: var(--font-mono); font-size: 15px; font-weight: 600; color: var(--c-accent); }
.gp-mark__list { display: flex; flex-wrap: wrap; gap: 6px; font-size: 14px; line-height: 1.5; }
.gp-mark__chip {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--bg-soft);
  border: 1px solid var(--border-1);
  border-radius: var(--r-2);
  padding: 4px 10px;
  color: var(--fg-1);
  text-decoration: none;
  transition: all var(--t-fast) var(--ease-std);
}
.gp-mark__chip:hover { border-color: var(--c-accent); color: var(--c-accent); background: var(--c-accent-soft); }
.gp-mark__chip--plain { color: var(--fg-2); cursor: default; }
.gp-mark__chip--plain:hover { border-color: var(--border-1); color: var(--fg-2); background: var(--bg-soft); }
.gp-marks__legend {
  padding: 16px 22px;
  font-size: 13px;
  color: var(--fg-3);
  background: var(--bg-soft);
  border-top: 1px solid var(--border-1);
  line-height: 1.55;
}
.gp-marks__legend a { color: var(--c-accent); text-decoration: none; border-bottom: 1px solid rgba(43,92,138,0.3); }
.gp-marks__legend a:hover { border-bottom-color: var(--c-accent); }

/* ========== LENGTHS / CERT mini blocks ==================================== */
.gp-info {
  background: #fff;
  border: 1px solid var(--border-1);
  border-radius: var(--r-3);
  padding: 24px 26px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
}
.gp-info__col { min-width: 0; }
.gp-info__lbl { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--fg-3); font-weight: 600; margin-bottom: 8px; }
.gp-info__v { font-family: var(--font-mono); font-size: 22px; font-weight: 500; color: var(--fg-1); margin-bottom: 4px; }
.gp-info__sub { font-size: 13px; color: var(--fg-2); line-height: 1.5; }

/* ========== CERT BLOCK ==================================================== */
.gp-cert {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 18px;
}
.gp-cert__card {
  background: #fff;
  border: 1px solid var(--border-1);
  border-radius: var(--r-3);
  padding: 20px 22px;
}
.gp-cert__ic { width: 32px; height: 32px; color: var(--c-accent); margin-bottom: 12px; }
.gp-cert__ttl { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.gp-cert__sub { font-size: 13px; color: var(--fg-2); line-height: 1.55; }
.gp-cert__cta {
  background: var(--c-graphite);
  color: #fff;
  padding: 22px 26px;
  border-radius: var(--r-3);
  display: flex; align-items: center; gap: 16px;
}
.gp-cert__cta-ic { width: 36px; height: 36px; color: var(--c-accent); flex: 0 0 36px; }
.gp-cert__cta-body { flex: 1; }
.gp-cert__cta-ttl { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.gp-cert__cta-sub { font-size: 13px; color: var(--c-steel-300); line-height: 1.5; }

/* ========== FAQ =========================================================== */
.gp-faq .acc { background: #fff; }

/* ========== SKU GRID ====================================================== */
.gp-skus { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 24px; }
.gp-sku {
  background: #fff;
  border: 1px solid var(--border-1);
  border-radius: var(--r-3);
  padding: 18px 18px 16px;
  display: flex; flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--t-fast) var(--ease-std), transform var(--t-fast) var(--ease-std);
}
.gp-sku:hover { border-color: var(--c-steel-700); transform: translateY(-1px); }
.gp-sku__top { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; margin-bottom: 10px; }
.gp-sku__diam { font-family: var(--font-mono); font-size: 22px; font-weight: 600; color: var(--fg-1); }
.gp-sku__klass { font-family: var(--font-mono); font-size: 11px; color: var(--c-accent); padding: 3px 8px; background: var(--c-accent-soft); border-radius: var(--r-2); }
.gp-sku__ttl { font-size: 14px; font-weight: 500; color: var(--fg-1); margin-bottom: 4px; line-height: 1.35; }
.gp-sku__meta { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); margin-bottom: 12px; }
.gp-sku__price { font-family: var(--font-mono); font-size: 16px; font-weight: 500; color: var(--fg-1); margin-bottom: 14px; }
.gp-sku__price .from { color: var(--fg-3); font-size: 11px; font-weight: 400; text-transform: uppercase; letter-spacing: 0.06em; margin-right: 4px; font-family: var(--font-sans); }
.gp-sku__btn {
  margin-top: auto;
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent;
  color: var(--c-accent);
  border: 1px solid var(--c-accent);
  border-radius: var(--r-2);
  padding: 7px 12px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  align-self: flex-start;
  transition: all var(--t-fast) var(--ease-std);
}
.gp-sku__btn:hover { background: var(--c-accent); color: #fff; }

/* gp-offers: живые офферы по ГОСТу (ГОСТ→каталог) */
.gp-offers { list-style: none; margin: 0 0 16px; padding: 0; border: 1px solid var(--border-1); border-radius: var(--r-3); overflow: hidden; background: #fff; }
.gp-offers__row + .gp-offers__row { border-top: 1px solid var(--border-1); }
.gp-offers__link { display: flex; align-items: center; gap: 14px; padding: 13px 16px; text-decoration: none; color: var(--fg-1); transition: background var(--t-fast) var(--ease-std); }
.gp-offers__link:hover { background: var(--bg-soft); }
.gp-offers__name { flex: 1 1 auto; font-size: 14px; font-weight: 500; line-height: 1.4; }
.gp-offers__gost { font-family: var(--font-mono); color: var(--fg-3); font-weight: 400; font-size: 12px; }
.gp-offers__val { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; text-align: right; }
.gp-offers__price { font-family: var(--font-mono); font-size: 14px; font-weight: 600; color: var(--fg-1); white-space: nowrap; }
.gp-offers__stock { font-size: 12px; white-space: nowrap; }
.gp-offers__stock--in { color: #1f9d55; }
.gp-offers__stock--order { color: var(--fg-3); }
.gp-offers__chev { flex: 0 0 auto; color: var(--c-steel-400); }
.gp-offers__all { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 20px; font-size: 14px; font-weight: 500; color: var(--c-accent); text-decoration: none; }
.gp-offers__all:hover { text-decoration: underline; }
@media (max-width: 560px) {
  .gp-offers__link { flex-wrap: wrap; gap: 6px 14px; }
  .gp-offers__val { width: 100%; justify-content: flex-start; }
  .gp-offers__chev { display: none; }
}

/* big dark CTA inside SKU section */
.gp-bigcta {
  background: var(--c-graphite);
  color: #fff;
  padding: 32px 36px;
  border-radius: var(--r-3);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
}
.gp-bigcta__title { font-size: 22px; font-weight: 600; margin: 0 0 8px; line-height: 1.3; max-width: 36ch; }
.gp-bigcta__sub { font-size: 13px; color: var(--c-steel-300); margin: 0; line-height: 1.55; max-width: 56ch; }
.gp-bigcta__btns { display: flex; gap: 8px; flex-wrap: wrap; }

/* ========== RELATED ======================================================= */
.gp-related { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 28px; }
.gp-rel-col h3 { font-size: 14px; font-weight: 600; margin: 0 0 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--fg-3); }
.gp-rel-col ul { list-style: none; padding: 0; margin: 0; background: #fff; border: 1px solid var(--border-1); border-radius: var(--r-3); overflow: hidden; }
.gp-rel-col li { border-bottom: 1px solid var(--border-1); }
.gp-rel-col li:last-child { border-bottom: 0; }
.gp-rel-col a {
  display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center;
  padding: 12px 16px; text-decoration: none; color: var(--fg-1);
  font-size: 14px; line-height: 1.4;
}
.gp-rel-col a:hover { background: var(--bg-soft); color: var(--c-accent); }
.gp-rel-col a .url { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); }
.gp-rel-col a:hover .url { color: var(--c-accent); }
.gp-rel-col a svg { color: var(--c-steel-400); flex: 0 0 14px; }
.gp-rel-col a:hover svg { color: var(--c-accent); }
.gp-rel-col--wide { grid-column: span 1; }

/* ========== FOOTER NOTE =================================================== */
.gp-author {
  margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border-1);
  display: flex; gap: 16px; align-items: center;
  font-size: 13px; color: var(--fg-3);
}
.gp-author__avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--bg-soft); border: 1px solid var(--border-1);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-accent); flex: 0 0 44px;
}
.gp-author strong { color: var(--fg-1); font-weight: 600; }

/* ========== RESPONSIVE ==================================================== */
@media (max-width: 1100px) {
  .gp-head h1 { font-size: 32px; }
  .gp-intro__grid { grid-template-columns: 1fr; gap: 24px; }
  .gp-info { grid-template-columns: 1fr; }
  .gp-cert { grid-template-columns: 1fr; }
  .gp-skus { grid-template-columns: repeat(2, 1fr); }
  .gp-related { grid-template-columns: 1fr 1fr; }
  .gp-bigcta { grid-template-columns: 1fr; }
  .gp-meta__list li { grid-template-columns: 110px 1fr; }
  .gp-mark { grid-template-columns: 100px 1fr; gap: 12px; padding: 14px 16px; }
}
@media (max-width: 720px) {
  .gp-head h1 { font-size: 24px; }
  .gp-section { padding: 40px 0; }
  .gp-section__title { font-size: 22px; }
  .gp-skus { grid-template-columns: 1fr; }
  .gp-related { grid-template-columns: 1fr; }
  .gp-meta__list li { grid-template-columns: 1fr; gap: 2px; }
  .gp-mark { grid-template-columns: 1fr; }
}