/* resheniya-fundament.css - solutions page «Для фундамента и монолита». Extends site.css */
@import url('./site.css?v=9');

/* ========== TRUST STRIP (shared component, rule copied here) ============== */
.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 ===================================================== */
.rf-head { padding: 24px 0 20px; background: var(--bg-soft); border-bottom: 1px solid var(--border-1); }
.rf-head h1 { font-size: 44px; font-weight: 600; letter-spacing: -0.015em; line-height: 1.08; margin: 14px 0 16px; max-width: 22ch; }
.rf-head__lede { font-size: 17px; color: var(--fg-2); line-height: 1.55; max-width: 72ch; margin: 0; }
.rf-head__crumbs { font-size: 13px; color: var(--fg-3); display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin: 0; }
.rf-head__crumbs a { color: var(--fg-3); text-decoration: none; }
.rf-head__crumbs a:hover { color: var(--fg-1); }
.rf-head__crumbs .sep { color: var(--c-steel-300); }
.rf-head__crumbs .cur { color: var(--fg-1); }
.rf-head__trust { margin-top: 22px; }

/* ========== HERO (schematic + CTA) ======================================= */
.rf-hero { padding: 48px 0 64px; background: #fff; border-bottom: 1px solid var(--border-1); }
.rf-hero__grid { display: grid; grid-template-columns: 1.55fr 1fr; gap: 40px; align-items: stretch; }
.rf-hero__panel {
  position: relative;
  border: 1px solid var(--border-1);
  border-radius: var(--r-3);
  background: #fff;
  overflow: hidden;
  min-height: 520px;
}
.rf-hero__panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  font-size: 12px; color: var(--fg-3);
  text-transform: uppercase; letter-spacing: 0.06em; font-weight: 500;
  border-bottom: 1px solid var(--border-1);
  background: var(--bg-soft);
}
.rf-hero__panel-head .t-num { font-family: var(--font-mono); text-transform: none; letter-spacing: 0; color: var(--fg-2); }
.rf-hero__panel-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px;
  font-size: 12px; color: var(--fg-3);
  border-top: 1px solid var(--border-1);
  background: var(--bg-soft);
  font-family: var(--font-mono);
}
.rf-hero__panel-foot span:first-child { color: var(--c-steel-700); }
.rf-hero__svgwrap { padding: 8px 16px 4px; }
.rf-hero__svgwrap svg { width: 100%; height: auto; display: block; }

.rf-hero__cta {
  background: var(--c-graphite); color: #fff;
  border-radius: var(--r-3);
  padding: 28px;
  display: flex; flex-direction: column;
}
.rf-hero__eyebrow { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--c-accent); font-weight: 500; }
.rf-hero__cta-ttl { font-size: 24px; font-weight: 600; line-height: 1.2; margin: 10px 0 8px; }
.rf-hero__cta-sub { font-size: 14px; color: var(--c-steel-300); line-height: 1.5; margin: 0 0 18px; }
.rf-drop {
  border: 1.5px dashed #3F4B57;
  border-radius: var(--r-3);
  padding: 22px 18px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  background: #232C35;
  color: #fff;
  text-align: center;
  cursor: pointer;
  transition: all var(--t-fast) var(--ease-std);
  margin-bottom: 14px;
}
.rf-drop:hover { border-color: var(--c-accent); background: #25313D; }
.rf-drop__t { font-size: 14px; font-weight: 500; }
.rf-drop__s { font-size: 12px; color: var(--c-steel-400); font-family: var(--font-mono); }
.rf-drop__ic { width: 28px; height: 28px; color: var(--c-accent); }
.rf-hero__btns { display: flex; flex-direction: column; gap: 8px; }
.rf-hero__btns .btn { width: 100%; justify-content: center; }
.rf-hero__phone { display: flex; align-items: center; gap: 8px; color: #fff; text-decoration: none; padding: 12px 0 4px; border-top: 1px solid #2A343D; margin-top: 18px; }
.rf-hero__phone .t-num { font-size: 18px; font-weight: 500; }
.rf-hero__phone .lbl { font-size: 12px; color: var(--c-steel-300); margin-left: auto; }

/* strip foundation kit: photo + numbered spec */
.rf-schem { display: grid; grid-template-columns: 1.5fr 1fr; gap: 24px; align-items: stretch; }
.rf-schem__draw { min-width: 0; position: relative; }
.rf-schem__photo { width: 100%; height: 100%; min-height: 380px; object-fit: cover; display: block; border-radius: 8px; }
.rf-schem__cap {
  position: absolute; left: 10px; bottom: 10px;
  background: rgba(20, 28, 38, 0.62); color: #fff;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.02em;
  padding: 4px 9px; border-radius: 5px;
}
.rf-schem__legend { display: flex; flex-direction: column; padding-top: 2px; }
.rf-schem__legend-h {
  font-family: var(--font-mono);
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--fg-3); padding-bottom: 10px;
}
.rf-leg {
  display: grid; grid-template-columns: 22px 1fr; gap: 11px; align-items: start;
  padding: 9px 0; border-top: 1px solid var(--border-1);
}
.rf-leg__n {
  width: 20px; height: 20px; border-radius: 50%;
  border: 1.5px solid var(--c-accent); color: var(--c-accent);
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  flex: 0 0 auto;
}
.rf-leg__t { font-size: 13px; font-weight: 500; color: var(--fg-1); line-height: 1.3; }
.rf-leg__s { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); margin-top: 3px; line-height: 1.35; }
.rf-schem__illustration-note { font-family: var(--font-mono); }
@media (max-width: 560px) {
  .rf-schem { grid-template-columns: 1fr; gap: 16px; }
}

/* ========== SECTIONS ====================================================== */
.rf-section { padding: 72px 0; }
.rf-section--soft { background: var(--bg-soft); }
.rf-section--dark { background: var(--c-graphite); color: #fff; }
.rf-section__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 28px; }
.rf-section__title { font-size: 32px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.15; margin: 0; }
.rf-section__sub { font-size: 14px; color: var(--fg-3); margin: 8px 0 0; max-width: 64ch; }
.rf-section__eyebrow { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--c-accent); font-weight: 500; margin-bottom: 6px; }

/* ========== SORTS GRID (8 tiles) ========================================== */
.rf-sorts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.rf-sort {
  background: #fff;
  border: 1px solid var(--border-1);
  border-radius: var(--r-3);
  padding: 20px 20px 18px;
  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);
  position: relative;
}
.rf-sort:hover { border-color: var(--c-steel-700); transform: translateY(-1px); }
.rf-sort__ic {
  width: 56px; height: 56px;
  border: 1px solid var(--border-1);
  border-radius: var(--r-2);
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-soft);
  margin-bottom: 16px;
  color: var(--c-steel-700);
}
.rf-sort__ic svg { width: 36px; height: 36px; }
.rf-sort__ttl { font-size: 15px; font-weight: 600; line-height: 1.3; color: var(--fg-1); margin: 0 0 6px; }
.rf-sort__ttl a { color: inherit; text-decoration: none; }
.rf-sort__ttl a:hover { color: var(--c-accent); }
.rf-sort__role { font-size: 12px; color: var(--fg-3); line-height: 1.4; margin: 0 0 10px; }
.rf-sort__meta { font-family: var(--font-mono); font-size: 11px; color: var(--c-steel-500); margin-bottom: 4px; }
.rf-sort__price { font-family: var(--font-mono); font-size: 14px; font-weight: 500; color: var(--fg-1); margin-bottom: 14px; }
.rf-sort__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); }
.rf-sort__add {
  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: 8px 12px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t-fast) var(--ease-std);
  align-self: flex-start;
}
.rf-sort__add:hover { background: var(--c-accent); color: #fff; }
.rf-sort__add.is-added { background: var(--c-success); color: #fff; border-color: var(--c-success); }

/* ========== EXAMPLE / SPEC TABLE ========================================== */
.rf-ex {
  border: 1px solid var(--border-1);
  border-radius: var(--r-3);
  background: #fff;
  overflow: hidden;
}
.rf-ex__tabs {
  display: flex;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border-1);
}
.rf-ex__tab {
  padding: 14px 22px;
  font-family: inherit; font-size: 14px; font-weight: 500;
  color: var(--fg-3);
  border: 0;
  background: transparent;
  cursor: pointer;
  border-right: 1px solid var(--border-1);
  display: flex; align-items: center; gap: 10px;
  white-space: nowrap;
}
.rf-ex__tab:hover { color: var(--fg-1); }
.rf-ex__tab.is-on { color: var(--fg-1); background: #fff; border-bottom: 2px solid var(--c-accent); padding-bottom: 12px; }
.rf-ex__tab.is-soon { color: var(--c-steel-400); cursor: not-allowed; }
.rf-ex__tab .badge { font-size: 10px; padding: 3px 6px; }
.rf-ex__body { padding: 24px 28px 28px; }
.rf-ex__sub {
  font-size: 14px;
  color: var(--fg-2);
  margin: 0 0 18px;
  line-height: 1.55;
}
.rf-ex__sub strong { color: var(--fg-1); font-weight: 600; }
.rf-ex .tbl-wrap { box-shadow: none; }
.rf-ex .tbl tbody td { font-size: 13px; padding: 11px 14px; }
.rf-ex .tbl .gost { font-family: var(--font-mono); color: var(--fg-3); font-size: 12px; }
.rf-ex .tbl .diam { font-family: var(--font-mono); }
.rf-ex__total {
  margin-top: 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 18px 20px;
  background: var(--bg-soft);
  border-radius: var(--r-3);
  border: 1px solid var(--border-1);
}
.rf-ex__total-lbl { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--fg-3); }
.rf-ex__total-val { font-family: var(--font-mono); font-size: 22px; font-weight: 500; color: var(--fg-1); }
.rf-ex__total-val .ton { color: var(--c-accent); margin-right: 14px; }
.rf-ex__total-note { font-size: 12px; color: var(--fg-3); margin-top: 4px; max-width: 52ch; }
.rf-ex__total-btns { display: flex; gap: 8px; flex-wrap: wrap; }

/* ========== CALCULATOR ==================================================== */
.rf-calc { display: grid; grid-template-columns: 1.4fr 1fr; gap: 0; background: #fff; border: 1px solid var(--border-1); border-radius: var(--r-3); overflow: hidden; }
.rf-calc__form { padding: 28px; }
.rf-calc__out { background: var(--c-graphite); color: #fff; padding: 28px; display: flex; flex-direction: column; gap: 14px; position: sticky; top: 96px; height: max-content; align-self: start; }
.rf-calc__group { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.rf-calc__group .field { min-width: 0; }
.rf-calc__group--2 { grid-template-columns: 1fr 1fr; }
.rf-calc__group--full { grid-template-columns: 1fr; }
.rf-calc__line { display: flex; flex-direction: column; gap: 2px; padding: 8px 0; border-bottom: 1px solid #2A343D; }
.rf-calc__line:last-of-type { border-bottom: 0; }
.rf-calc__line .t { font-size: 11px; color: var(--c-steel-300); text-transform: uppercase; letter-spacing: 0.06em; }
.rf-calc__line .v { font-family: var(--font-mono); font-size: 20px; font-weight: 500; }
.rf-calc__line .v.big { font-size: 28px; }
.rf-calc__line .sub { font-size: 12px; color: var(--c-steel-400); font-family: var(--font-mono); }
.rf-calc__hint { font-size: 11px; color: var(--c-steel-400); line-height: 1.5; }
.rf-calc__btns { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.rf-calc__btns .btn { width: 100%; justify-content: center; }

/* ========== HOW WE WORK (4 steps) ========================================= */
.rf-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.rf-step {
  padding: 28px 24px 28px;
  border: 1px solid var(--border-1);
  border-right: 0;
  background: #fff;
  position: relative;
}
.rf-step:first-child { border-radius: var(--r-3) 0 0 var(--r-3); }
.rf-step:last-child { border-right: 1px solid var(--border-1); border-radius: 0 var(--r-3) var(--r-3) 0; }
.rf-step:not(:last-child)::after {
  content: ""; position: absolute; right: -9px; top: 50%; transform: translateY(-50%) rotate(45deg);
  width: 16px; height: 16px;
  background: #fff;
  border-top: 1px solid var(--border-1);
  border-right: 1px solid var(--border-1);
  z-index: 1;
}
.rf-step__num { font-family: var(--font-mono); font-size: 13px; color: var(--c-accent); font-weight: 500; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.rf-step__num svg { width: 20px; height: 20px; }
.rf-step__ttl { font-size: 16px; font-weight: 600; line-height: 1.3; margin-bottom: 8px; }
.rf-step__sub { font-size: 13px; line-height: 1.5; color: var(--fg-3); }

/* ========== GOSTS LIST ==================================================== */
.rf-gosts {
  background: #fff;
  border: 1px solid var(--border-1);
  border-radius: var(--r-3);
  overflow: hidden;
}
.rf-gost {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 14px 22px;
  text-decoration: none;
  color: inherit;
  border-bottom: 1px solid var(--border-1);
  transition: background var(--t-fast) var(--ease-std);
}
.rf-gost:hover { background: var(--bg-soft); }
.rf-gost:last-child { border-bottom: 0; }
.rf-gost__num { font-family: var(--font-mono); font-size: 14px; font-weight: 500; color: var(--c-accent); }
.rf-gost__ttl { font-size: 14px; color: var(--fg-1); line-height: 1.4; }
.rf-gost__ttl em { font-style: normal; color: var(--fg-3); font-size: 12px; margin-left: 8px; font-family: var(--font-mono); }
.rf-gost__arr { color: var(--c-steel-400); }
.rf-gosts__note {
  padding: 16px 22px;
  font-size: 13px;
  color: var(--fg-3);
  background: var(--bg-soft);
  border-top: 1px solid var(--border-1);
  line-height: 1.5;
}
.rf-gosts__note strong { color: var(--fg-1); font-weight: 600; }

/* ========== DOCUMENTS GRID ================================================ */
.rf-docs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.rf-doc {
  background: #fff;
  border: 1px solid var(--border-1);
  border-radius: var(--r-3);
  overflow: hidden;
  display: flex; flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--t-fast) var(--ease-std);
}
.rf-doc:hover { border-color: var(--c-accent); }
/* Карточки без примера (паспорт/сертификат/регламент) — не кликабельны. */
.rf-doc--static { cursor: default; }
.rf-doc--static:hover { border-color: var(--border-1); }
.rf-doc__preview {
  aspect-ratio: 4 / 5;
  background: #FAFBFC;
  border-bottom: 1px solid var(--border-1);
  padding: 18px 16px;
  display: flex; flex-direction: column;
  font-family: var(--font-mono);
  position: relative;
  overflow: hidden;
}
.rf-doc__preview-head { font-size: 9px; color: var(--c-steel-500); text-transform: uppercase; letter-spacing: 0.08em; }
.rf-doc__preview-h { font-size: 11px; color: var(--fg-1); font-weight: 600; margin: 4px 0 10px; line-height: 1.3; }
.rf-doc__preview-line { height: 4px; background: var(--c-steel-150); border-radius: 1px; margin-bottom: 4px; }
.rf-doc__preview-line.short { width: 60%; }
.rf-doc__preview-line.mid { width: 80%; }
.rf-doc__preview-block {
  margin-top: 12px;
  border: 1px solid var(--border-1);
  border-radius: 2px;
  padding: 6px 8px;
  font-size: 9px;
  color: var(--fg-2);
}
.rf-doc__stamp {
  position: absolute;
  right: 14px; bottom: 14px;
  width: 64px; height: 64px;
  border-radius: 50%;
  border: 1.5px solid var(--c-accent);
  color: var(--c-accent);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 500;
  text-align: center;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: rgba(43,92,138,0.06);
  transform: rotate(-8deg);
}
.rf-doc__stamp::before {
  content: "";
  position: absolute; inset: 4px;
  border-radius: 50%;
  border: 1px dashed var(--c-accent);
  opacity: 0.5;
}
.rf-doc__body { padding: 14px 16px 16px; display: flex; flex-direction: column; flex: 1; }
.rf-doc__tag { font-size: 11px; color: var(--c-accent); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 500; margin-bottom: 4px; }
.rf-doc__ttl { font-size: 14px; font-weight: 600; line-height: 1.35; margin-bottom: 6px; color: var(--fg-1); }
.rf-doc__sub { font-size: 12px; color: var(--fg-3); line-height: 1.45; }
.rf-doc__cta { margin-top: 12px; font-size: 12px; color: var(--c-accent); display: inline-flex; align-items: center; gap: 4px; font-weight: 500; }

/* ========== CASES ========================================================= */
.rf-cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.rf-case {
  background: #fff;
  border: 1px solid var(--border-1);
  border-radius: var(--r-3);
  padding: 24px 24px 22px;
  display: flex; flex-direction: column;
  position: relative;
}
.rf-case__placeholder {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
  background:
    repeating-linear-gradient(45deg, transparent, transparent 8px, var(--c-steel-100) 8px, var(--c-steel-100) 9px),
    var(--bg-soft);
  border: 1px solid var(--border-1);
  border-radius: var(--r-2);
  margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-steel-500);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.rf-case__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.rf-case__city { font-family: var(--font-mono); font-size: 11px; color: var(--c-accent); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }
.rf-case__ttl { font-size: 17px; font-weight: 600; line-height: 1.3; margin-bottom: 10px; color: var(--fg-1); }
.rf-case__sub { font-size: 13px; color: var(--fg-2); line-height: 1.55; }
.rf-case__meta { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border-1); display: flex; justify-content: space-between; gap: 12px; }
.rf-case__meta-item { font-size: 12px; color: var(--fg-3); }
.rf-case__meta-item b { display: block; font-family: var(--font-mono); font-size: 16px; font-weight: 500; color: var(--fg-1); margin-bottom: 2px; }
.rf-case__placeholder-note {
  position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 10px;
  background: #fff;
  border: 1px solid var(--border-1);
  padding: 2px 8px;
  border-radius: var(--r-pill);
  color: var(--fg-3);
  white-space: nowrap;
}
.rf-cases__note {
  margin-top: 16px;
  font-size: 12px;
  color: var(--fg-3);
  font-family: var(--font-mono);
}

/* ========== BIG CTA ======================================================= */
.rf-bigcta { padding: 80px 0; background: var(--c-graphite); color: #fff; position: relative; overflow: hidden; }
.rf-bigcta::before {
  content: ""; position: absolute; top: 0; right: 0; width: 380px; height: 380px;
  background: radial-gradient(circle at top right, rgba(43,92,138,0.35) 0%, transparent 60%);
  pointer-events: none;
}
.rf-bigcta__grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; position: relative; }
.rf-bigcta__title { font-size: 40px; font-weight: 600; letter-spacing: -0.015em; line-height: 1.1; margin: 0 0 16px; color: #fff; max-width: 18ch; }
.rf-bigcta__lede { font-size: 16px; color: var(--c-steel-300); line-height: 1.55; margin: 0 0 28px; max-width: 56ch; }
.rf-bigcta__facts { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 24px; }
.rf-bigcta__fact { padding-top: 16px; border-top: 1px solid #2A343D; }
.rf-bigcta__fact-v { font-family: var(--font-mono); font-size: 28px; font-weight: 500; color: var(--c-accent); }
.rf-bigcta__fact-l { font-size: 13px; color: var(--c-steel-300); margin-top: 4px; line-height: 1.4; }
.rf-bigcta__form { background: #232C35; border: 1px solid #2A343D; border-radius: var(--r-3); padding: 28px; }
.rf-bigcta__form .field label { color: #fff; font-size: 13px; margin-bottom: 6px; display: block; font-weight: 500; }
.rf-bigcta__form .input, .rf-bigcta__form .textarea { background: #1C242B; border-color: #2A343D; color: #fff; }
.rf-bigcta__form .input::placeholder, .rf-bigcta__form .textarea::placeholder { color: var(--c-steel-500); }
.rf-bigcta__form .input:focus, .rf-bigcta__form .textarea:focus { border-color: var(--c-accent); }
.rf-bigcta__form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.rf-bigcta__form .field + .field, .rf-bigcta__form .row2 + .field, .rf-bigcta__form .field + .row2 { margin-top: 14px; }
.rf-bigcta__drop {
  border: 1.5px dashed #3F4B57;
  border-radius: var(--r-3);
  padding: 22px 16px;
  background: #1C242B;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease-std);
}
.rf-bigcta__drop:hover { border-color: var(--c-accent); }
.rf-bigcta__drop-ic { color: var(--c-accent); margin-bottom: 6px; }
.rf-bigcta__drop-t { font-size: 14px; font-weight: 500; }
.rf-bigcta__drop-s { font-size: 12px; color: var(--c-steel-400); margin-top: 4px; font-family: var(--font-mono); }
.rf-bigcta__form-actions { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }
.rf-bigcta__form-note { font-size: 12px; color: var(--c-steel-400); line-height: 1.5; }

/* ========== LINKS BAR (catalog + helpers) ================================= */
.rf-links { display: grid; grid-template-columns: 1.7fr 1fr; gap: 40px; }
.rf-links__h { font-size: 20px; font-weight: 600; margin: 0 0 16px; }
.rf-cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.rf-cat-grid a {
  padding: 14px 16px;
  background: #fff; border: 1px solid var(--border-1); border-radius: var(--r-3);
  text-decoration: none; color: var(--fg-1);
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; font-weight: 500;
  transition: border-color var(--t-fast) var(--ease-std);
}
.rf-cat-grid a:hover { border-color: var(--c-accent); }
.rf-cat-grid a svg { color: var(--c-accent); width: 18px; height: 18px; flex: 0 0 18px; }
.rf-help-list { list-style: none; padding: 0; margin: 0; background: #fff; border: 1px solid var(--border-1); border-radius: var(--r-3); }
.rf-help-list li { border-bottom: 1px solid var(--border-1); }
.rf-help-list li:last-child { border-bottom: 0; }
.rf-help-list a { display: flex; align-items: center; padding: 12px 16px; text-decoration: none; color: var(--fg-1); font-size: 14px; gap: 10px; }
.rf-help-list a:hover { background: var(--bg-soft); color: var(--c-accent); }
.rf-help-list a svg { color: var(--c-steel-500); margin-left: auto; }
.rf-help-list a:hover svg { color: var(--c-accent); }
.rf-help-list .t-num { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); }

/* ========== SPEC BAR (sticky bottom) ======================================= */
.rf-specbar {
  position: fixed;
  bottom: 16px; left: 16px; right: 16px;
  z-index: 70;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: var(--c-graphite); color: #fff;
  padding: 14px 22px;
  border-radius: var(--r-3);
  box-shadow: var(--shadow-3);
  max-width: 1248px;
  margin: 0 auto;
}
.rf-specbar__lbl { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--c-steel-300); }
.rf-specbar__sub { font-size: 16px; font-weight: 500; margin-top: 2px; }
.rf-specbar__sub .t-num { color: var(--c-accent); }
.rf-specbar__btns { display: flex; gap: 8px; }

/* ========== FAQ override (page-specific) ================================== */
.rf-faq { padding: 72px 0; background: var(--bg-soft); }
.rf-faq__title { font-size: 32px; font-weight: 600; margin: 0 0 24px; letter-spacing: -0.01em; }

/* ========== RESPONSIVE ==================================================== */
@media (max-width: 1100px) {
  .rf-head h1 { font-size: 34px; }
  .rf-hero__grid { grid-template-columns: 1fr; gap: 24px; }
  .rf-sorts { grid-template-columns: repeat(2, 1fr); }
  .rf-docs { grid-template-columns: repeat(2, 1fr); }
  .rf-cases { grid-template-columns: 1fr; }
  .rf-steps { grid-template-columns: repeat(2, 1fr); }
  .rf-step { border-right: 1px solid var(--border-1) !important; }
  .rf-step:first-child { border-radius: var(--r-3) 0 0 0; }
  .rf-step:nth-child(2) { border-radius: 0 var(--r-3) 0 0; }
  .rf-step:nth-child(3) { border-radius: 0 0 0 var(--r-3); border-top: 0; }
  .rf-step:last-child { border-radius: 0 0 var(--r-3) 0; border-top: 0; }
  .rf-step::after { display: none !important; }
  .rf-calc { grid-template-columns: 1fr; }
  .rf-calc__out { position: static; }
  .rf-bigcta__grid { grid-template-columns: 1fr; gap: 32px; }
  .rf-bigcta__title { font-size: 30px; }
  .rf-links { grid-template-columns: 1fr; gap: 24px; }
  .rf-cat-grid { grid-template-columns: repeat(2, 1fr); }
  .rf-gost { grid-template-columns: 140px 1fr auto; gap: 14px; padding: 14px 16px; }
  .rf-ex__total { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .rf-head h1 { font-size: 26px; }
  .rf-section { padding: 48px 0; }
  .rf-sorts { grid-template-columns: 1fr; }
  .rf-docs { grid-template-columns: 1fr; }
  .rf-steps { grid-template-columns: 1fr; }
  .rf-step { border-right: 1px solid var(--border-1) !important; border-radius: var(--r-3) !important; border-top: 1px solid var(--border-1) !important; }
  .rf-calc__group { grid-template-columns: 1fr; }
  .rf-section__head { flex-direction: column; align-items: flex-start; }
  .rf-section__title { font-size: 24px; }
  .rf-bigcta__form .row2 { grid-template-columns: 1fr; }
  .rf-gost { grid-template-columns: 1fr; gap: 6px; }
  .rf-ex__tab { padding: 12px 14px; font-size: 13px; }
  .rf-specbar { left: 8px; right: 8px; bottom: 8px; padding: 12px 14px; }
  .rf-specbar__sub { font-size: 14px; }
}