/* ═══════════════════════════════════════════════════════════════
   СеверФудс — sections.css
   Секции лендинга, формы, футер, адаптив.
   ═══════════════════════════════════════════════════════════════ */

/* ── О компании ──────────────────────────────────────────────── */
.about { padding-top: clamp(112px, 11vw, 160px); }
.about__grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: clamp(32px, 5vw, 76px);
  align-items: start;
}
.about__copy p + p { margin-top: 16px; }
.about__quote {
  margin-top: 30px;
  padding: 22px 24px;
  border-left: 3px solid var(--accent);
  border-radius: 0 14px 14px 0;
  background: var(--accent-soft);
  font-size: 15.5px;
  line-height: 1.62;
  color: #14544A;
}
.about__aside .about__quote { grid-column: 1 / -1; margin-top: 4px; }
.about__quote cite {
  display: block;
  margin-top: 12px;
  font-style: normal;
  font-size: 12.5px;
  font-weight: 600;
  color: #3D7368;
}
.about__aside {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.solve-card {
  padding: 20px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.solve-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: #BFE5DD;
}
.solve-card__problem {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 8px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #B24B42;
}
.solve-card__problem::before {
  content: "";
  width: 14px;
  height: 14px;
  flex: none;
  border-radius: 50%;
  background-color: rgba(195, 58, 50, .1);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23C33A32' stroke-width='3.2' stroke-linecap='round'%3E%3Cpath d='M7 7l10 10M17 7 7 17'/%3E%3C/svg%3E");
  background-size: 8px 8px;
  background-position: center;
  background-repeat: no-repeat;
}
.solve-card__solution {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
}

/* ── Услуги ──────────────────────────────────────────────────── */
.services {
  background:
    radial-gradient(900px 480px at 100% 0%, rgba(0, 180, 155, .06), transparent 60%),
    var(--tint);
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 22px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.service-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), #6BF0D8);
  opacity: 0;
  transition: opacity .24s ease;
}
.service-card:hover {
  transform: translateY(-3px);
  border-color: #C5D9E7;
  box-shadow: var(--shadow);
}
.service-card:hover::after { opacity: 1; }
.service-card__num {
  position: absolute;
  top: 18px;
  right: 20px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: .08em;
}
.service-card__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 4px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--brand);
}
.service-card__title {
  font-size: 18.5px;
  font-weight: 700;
  letter-spacing: -.015em;
  color: var(--brand);
}
.service-card__text {
  flex: 1;
  font-size: 14px;
  line-height: 1.58;
  color: var(--ink-soft);
}
.service-card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.tag {
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink-soft);
  white-space: nowrap;
}

/* ── Как работаем ────────────────────────────────────────────── */
.process__grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  list-style: none;
}
.process__grid::before {
  content: "";
  position: absolute;
  top: 25px;
  left: 6%;
  right: 6%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 12%, var(--line-strong) 88%, transparent);
}
.step { position: relative; padding-top: 60px; }
.step__num {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  font-family: var(--mono);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--brand);
  box-shadow: 0 0 0 6px var(--paper);
  transition: border-color .2s, color .2s, background .2s;
}
.step:hover .step__num {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
}
.step__title { margin-bottom: 6px; font-size: 16px; font-weight: 700; color: var(--brand); }
.step__text { font-size: 13.5px; line-height: 1.55; color: var(--ink-soft); }
.process__note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  flex-wrap: wrap;
  margin-top: 44px;
  padding: 22px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(120deg, var(--tint), #fff 70%);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.process__note b { color: var(--ink); }

/* ── География ───────────────────────────────────────────────── */
.geography {
  background: var(--deep);
  color: var(--deep-text);
  overflow: hidden;
}
.geography::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: 900px;
  height: 900px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 180, 155, .16), transparent 62%);
  pointer-events: none;
}
.geography .section__title { color: #fff; }
.section-head--light { display: block; max-width: 820px; }
.geography .section-head--light .section__sub { color: #A9C3D6; }
.geo__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.22fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}
.geo__subtitle {
  margin-bottom: 16px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #8FB4CC;
}
.region-list { display: flex; flex-wrap: wrap; gap: 7px; list-style: none; margin-bottom: 20px; }
.region-chip {
  padding: 8px 13px;
  border-radius: 100px;
  border: 1px solid rgba(159, 216, 238, .18);
  background: rgba(159, 216, 238, .06);
  font-size: 13px;
  color: #D8E8F4;
  transition: border-color .18s, background .18s, color .18s;
}
.region-chip:hover {
  border-color: rgba(79, 227, 200, .55);
  background: rgba(0, 180, 155, .12);
  color: #fff;
}
.geo__hint { margin-bottom: 20px; font-size: 13px; line-height: 1.55; color: #8FB4CC; max-width: 40ch; }

.map-panel {
  position: relative;
  min-height: 420px;
  padding: 16px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(159, 216, 238, .16);
  background: linear-gradient(158deg, rgba(6, 43, 82, .92), rgba(2, 26, 49, .96));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06), 0 24px 60px rgba(0, 0, 0, .28);
  overflow: hidden;
}
.map-panel__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(159, 216, 238, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(159, 216, 238, .055) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(85% 85% at 50% 50%, #000 52%, transparent 100%);
  mask-image: radial-gradient(85% 85% at 50% 50%, #000 52%, transparent 100%);
}
.map-panel__contours { position: absolute; inset: 0; width: 100%; height: 100%; }
.map-marker {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  transform: translate(-50%, -50%);
}
.map-marker__dot {
  width: 9px;
  height: 9px;
  flex: none;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 180, 155, .16), 0 0 16px rgba(0, 180, 155, .8);
  animation: pulse 3.2s ease-out infinite;
}
.map-marker__label {
  display: flex;
  flex-direction: column;
  padding: 5px 9px;
  border-radius: 7px;
  border: 1px solid rgba(159, 216, 238, .15);
  background: rgba(2, 26, 49, .62);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  font-size: 12.5px;
  font-weight: 500;
  line-height: 1.25;
  color: #E6F1F8;
  white-space: nowrap;
}
.map-marker__label small {
  margin-top: 1px;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 400;
  color: #8FB4CC;
}
.map-marker--murmansk { left: 13%; top: 17%; }
.map-marker--vorkuta { left: 22%; top: 35%; }
.map-marker--salekhard { left: 29%; top: 50%; }
.map-marker--novy-urengoy { left: 40%; top: 60%; }
.map-marker--surgut { left: 43%; top: 77%; }
.map-marker--norilsk { left: 57%; top: 42%; }
.map-marker--yakutsk { left: 73%; top: 62%; }
.map-marker--anadyr { left: 87%; top: 50%; flex-direction: row-reverse; }
.map-marker--anadyr .map-marker__label { align-items: flex-end; }
.map-marker--yakutsk .map-marker__label { align-items: flex-start; }
.map-lat {
  position: absolute;
  left: 13px;
  z-index: 1;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .08em;
  color: rgba(159, 216, 238, .5);
  pointer-events: none;
}
.map-lat--70 { top: 23%; }
.map-lat--65 { top: 49%; }
.map-lat--60 { top: 75%; }
.map-panel__legend {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 11px;
  color: #8FB4CC;
}
.map-panel__legend span { display: inline-flex; align-items: center; gap: 7px; }
.legend-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(0, 180, 155, .9);
}
.map-panel__legend-note { font-family: var(--mono); font-size: 10px; letter-spacing: .04em; }

/* ── Качество ────────────────────────────────────────────────── */
.quality__grid {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.check-list { list-style: none; margin-top: 26px; }
.check-list__item {
  position: relative;
  display: grid;
  gap: 3px;
  padding: 14px 0 14px 38px;
  border-bottom: 1px solid var(--line);
}
.check-list__item::before {
  content: "";
  position: absolute;
  top: 15px;
  left: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--accent-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300806E' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4.5 12.5 5 5L19.5 7'/%3E%3C/svg%3E");
  background-size: 12px 12px;
  background-position: center;
  background-repeat: no-repeat;
}
.check-list__item b { font-size: 15px; font-weight: 700; color: var(--ink); }
.check-list__item span { font-size: 13px; line-height: 1.5; color: var(--ink-soft); }
.quality__aside { display: grid; gap: 14px; }
.standards {
  padding: 26px;
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, var(--deep-2), var(--deep));
  color: #E6F1F8;
  box-shadow: var(--shadow);
}
.standards__title {
  margin-bottom: 16px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #8FB4CC;
}
.standards__list { display: grid; gap: 9px; list-style: none; }
.standard-badge {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(159, 216, 238, .16);
  background: rgba(159, 216, 238, .06);
}
.standard-badge b { font-size: 13.5px; font-weight: 700; letter-spacing: .01em; color: #fff; white-space: nowrap; }
.standard-badge span { font-size: 11px; line-height: 1.35; color: #9FB9CC; text-align: right; }
.standards__note { margin-top: 16px; font-size: 11.5px; line-height: 1.5; color: #8FB4CC; }
.quality__quote {
  padding: 20px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid #F1DCB4;
  background: var(--amber-soft);
}
.quality__quote blockquote { font-size: 14.5px; line-height: 1.55; color: #6B4A12; }
.quality__quote figcaption { margin-top: 10px; font-size: 12px; font-weight: 600; color: #8A6A2E; }
.quality__cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--brand);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.quality__cta:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.quality__cta b { display: block; font-size: 14.5px; font-weight: 700; }
.quality__cta small { display: block; margin-top: 3px; font-size: 12px; line-height: 1.45; color: var(--ink-soft); font-weight: 400; }
.quality__cta svg { flex: none; color: var(--accent-strong); }

/* ── Полоса цифр ─────────────────────────────────────────────── */
.band {
  padding-block: clamp(34px, 4vw, 52px);
  background:
    radial-gradient(700px 300px at 15% 0%, rgba(0, 180, 155, .18), transparent 60%),
    linear-gradient(100deg, var(--brand), var(--deep-2));
  color: #fff;
}
.band__inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.band__item { padding-left: 22px; border-left: 1px solid rgba(255, 255, 255, .16); }
.band__item:first-child { padding-left: 0; border-left: 0; }
.band__value {
  display: block;
  font-size: clamp(26px, 2.9vw, 40px);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.1;
  color: #7FF0DA;
}
.band__label {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #B9D0E1;
}

/* ── Кейсы ───────────────────────────────────────────────────── */
.cases {
  background:
    radial-gradient(800px 400px at 0% 0%, rgba(0, 51, 102, .05), transparent 60%),
    var(--tint);
}
.cases__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 14px;
}
.case-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform .24s, box-shadow .24s;
}
.case-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  width: 34px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--accent);
}
.case-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.case-card__tag {
  margin-top: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--accent-strong);
}
.case-card__title { font-size: 19px; font-weight: 700; letter-spacing: -.02em; color: var(--brand); }
.case-card__text { flex: 1; font-size: 13.5px; line-height: 1.6; color: var(--ink-soft); }
.case-card__facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  list-style: none;
  padding-block: 13px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.case-card__facts b {
  display: block;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--brand);
}
.case-card__facts span { display: block; margin-top: 2px; font-size: 10.5px; line-height: 1.3; color: var(--ink-mute); }
.case-card__result {
  padding: 10px 12px;
  border-radius: 10px;
  border-left: 2px solid var(--accent);
  background: var(--tint);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
}
.quotes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.quote-card {
  position: relative;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.quote-card::before {
  content: "“";
  position: absolute;
  top: 6px;
  right: 18px;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 64px;
  line-height: 1;
  color: var(--tint-2);
}
.quote-card blockquote { position: relative; z-index: 1; font-size: 15.5px; line-height: 1.6; color: var(--ink); }
.quote-card figcaption { display: flex; flex-direction: column; gap: 2px; margin-top: 16px; }
.quote-card figcaption b { font-size: 13px; color: var(--brand); }
.quote-card figcaption span { font-size: 12px; color: var(--ink-mute); }

/* ── FAQ ─────────────────────────────────────────────────────── */
.faq__grid {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.faq__intro { position: sticky; top: 138px; }
.faq__contact {
  margin-top: 26px;
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--tint);
}
.faq__phone {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--brand);
  text-decoration: none;
}
.faq__phone:hover { color: var(--accent-strong); }
.faq__contact p { margin: 4px 0 14px; font-size: 12.5px; color: var(--ink-soft); }
.faq__list { display: grid; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-item__summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 19px 0;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.42;
  color: var(--ink);
  transition: color .18s;
}
.faq-item__summary::-webkit-details-marker { display: none; }
.faq-item__summary:hover { color: var(--brand); }
.faq-item__q { flex: 1; }
.faq-item__mark {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  transition: background .2s, border-color .2s, transform .25s;
}
.faq-item__mark::before,
.faq-item__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 2px;
  background: var(--brand);
  transform: translate(-50%, -50%);
  transition: transform .22s, opacity .18s, background .2s;
}
.faq-item__mark::before { width: 9px; height: 1.6px; }
.faq-item__mark::after { width: 1.6px; height: 9px; }
.faq-item[open] .faq-item__mark { background: var(--accent-soft); border-color: transparent; }
.faq-item[open] .faq-item__mark::before { background: var(--accent-strong); }
.faq-item[open] .faq-item__mark::after { opacity: 0; transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] .faq-item__summary { color: var(--brand); }
.faq-item__body { padding: 0 0 18px; }
.faq-item__body p { max-width: 64ch; font-size: 14px; line-height: 1.68; color: var(--ink-soft); }

/* ── Контакты ────────────────────────────────────────────────── */
.contact {
  background:
    radial-gradient(900px 600px at 100% 0%, rgba(0, 180, 155, .16), transparent 55%),
    radial-gradient(700px 500px at 0% 100%, rgba(16, 82, 154, .3), transparent 60%),
    linear-gradient(150deg, var(--deep) 0%, var(--deep-2) 48%, var(--brand) 100%);
  color: #E6F1F8;
  overflow: hidden;
}
.contact .section__title { color: #fff; }
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 68px);
  align-items: start;
}
.contact__lead { max-width: 52ch; margin-bottom: 28px; font-size: 15.5px; line-height: 1.65; color: #A9C3D6; }
.contact-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  list-style: none;
  margin-bottom: 30px;
}
.contact-list__item { display: flex; align-items: flex-start; gap: 11px; }
.contact-list__icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid rgba(159, 216, 238, .16);
  background: rgba(159, 216, 238, .08);
  color: #9FD8EE;
}
.contact-list__item > span:last-child {
  display: flex;
  text-wrap: pretty;
  flex-direction: column;
  gap: 2px;
  font-size: 14px;
  line-height: 1.45;
  color: #E6F1F8;
}
.contact-list__item small {
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #7FA3BC;
}
.contact-list__item a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(159, 216, 238, .28);
  transition: color .18s, border-color .18s;
}
.contact-list__item a:hover { color: var(--accent-light); border-color: var(--accent-light); }

.contact__estimator {
  padding: 22px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(159, 216, 238, .18);
  background: rgba(2, 26, 49, .38);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.contact__estimator-title {
  margin-bottom: 16px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #8FB4CC;
}
.estimator__label { display: block; margin-bottom: 10px; font-size: 14px; color: #CFE0F0; }
.estimator__label output { font-weight: 700; color: #fff; }
.estimator__range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 44px;
  margin-bottom: 2px;
  background: transparent;
  cursor: pointer;
}
.estimator__range::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--accent) var(--fill, 18%), rgba(159, 216, 238, .2) var(--fill, 18%));
}
.estimator__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  margin-top: -8px;
  border-radius: 50%;
  border: 3px solid #fff;
  background: var(--accent);
  box-shadow: 0 2px 10px rgba(0, 0, 0, .35);
}
.estimator__range::-moz-range-track {
  height: 6px;
  border-radius: 100px;
  background: rgba(159, 216, 238, .2);
}
.estimator__range::-moz-range-progress {
  height: 6px;
  border-radius: 100px;
  background: var(--accent);
}
.estimator__range::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 3px solid #fff;
  background: var(--accent);
  box-shadow: 0 2px 10px rgba(0, 0, 0, .35);
}
.estimator__row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.estimator__metric output {
  display: block;
  font-size: clamp(19px, 2.1vw, 25px);
  font-weight: 700;
  letter-spacing: -.025em;
  line-height: 1.15;
  color: #fff;
  white-space: nowrap;
}
.estimator__metric span { display: block; margin-top: 3px; font-size: 11px; line-height: 1.35; color: #8FB4CC; }
.estimator__hint { margin-top: 14px; font-size: 10.5px; line-height: 1.5; color: #7FA3BC; }

/* Форма */
.contact__form-wrap { position: relative; }
.contact-form {
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, .45);
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-lg);
}
.contact-form__title { font-size: 21px; font-weight: 700; letter-spacing: -.02em; color: var(--brand); }
.contact-form__sub { margin: 4px 0 20px; font-size: 13px; line-height: 1.5; color: var(--ink-soft); }
.field { margin-bottom: 13px; }
.field__label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  font-weight: 600;
  color: #33475B;
}
.field__label b { color: var(--danger); }
.field__control {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: #fff;
  font-size: 14px;
  line-height: 1.4;
  color: var(--ink);
  transition: border-color .16s, box-shadow .16s, background .16s;
}
.field__control::placeholder { color: #657485; }
.field__control:hover { border-color: #AEBFCF; }
.field__control:focus {
  outline: 2px solid #0B6B5E;
  outline-offset: 1px;
  border-color: #0B6B5E;
  box-shadow: 0 0 0 3px rgba(11, 107, 94, .14);
}
.field__control.is-invalid { border-color: var(--danger); background: #FFF7F6; }
.field__control.is-invalid:focus { box-shadow: 0 0 0 3px rgba(195, 58, 50, .14); }
select.field__control {
  -webkit-appearance: none;
  appearance: none;
  padding-right: 36px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2353657C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
}
.field__control--area { min-height: 84px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field--check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 9px;
  align-items: start;
  margin: 6px 0 16px;
}
.checkbox { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--accent-strong); }
.checkbox.is-invalid { outline: 2px solid var(--danger); outline-offset: 2px; border-radius: 3px; }
.checkbox__label { font-size: 12px; line-height: 1.5; color: var(--ink-soft); }
.checkbox__label a { color: var(--brand); text-underline-offset: 2px; }
.field--check .field__error { grid-column: 2; }
.field__error { margin-top: 5px; font-size: 11.5px; font-weight: 500; color: var(--danger); }
.contact-form__note {
  margin-top: 11px;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--ink-mute);
  text-align: center;
}
.form-status {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid #BFE9E1;
  background: var(--accent-soft);
}
.form-status b { font-size: 14px; color: #0C6B5B; }
.form-status span { font-size: 12.5px; line-height: 1.5; color: #256A5F; }

/* ── Футер ───────────────────────────────────────────────────── */
.footer {
  padding-block: clamp(44px, 6vw, 68px) 22px;
  background: #021627;
  color: #9FB9CC;
  font-size: 13px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.35fr .75fr .75fr .9fr;
  gap: clamp(24px, 4vw, 48px);
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(159, 216, 238, .12);
}
.footer__logo { display: inline-block; margin-bottom: 16px; }
.footer__logo img { height: 30px; width: auto; }
.footer__desc { max-width: 32ch; margin-bottom: 18px; font-size: 12.5px; line-height: 1.6; color: #8FB4CC; }
.footer__contacts { display: flex; flex-direction: column; gap: 5px; }
.footer__contacts a { color: #C7D8E6; text-decoration: none; transition: color .18s; }
.footer__contacts a:hover { color: var(--accent-light); }
.footer__phone { font-size: 18px; font-weight: 700; letter-spacing: -.01em; color: #fff !important; }
.footer__contacts p { font-size: 11px; color: #7FA3BC; }
.footer__title {
  margin-bottom: 13px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #7FA3BC;
}
.footer__list { display: grid; gap: 7px; list-style: none; }
.footer__list a { font-size: 13px; color: #C7D8E6; text-decoration: none; transition: color .18s; }
.footer__list a:hover { color: var(--accent-light); }
.footer__address { font-style: normal; line-height: 1.6; color: #B9D0E1; }
.footer__legal { margin-top: 13px; font-size: 11px; line-height: 1.6; color: #7FA3BC; }
.footer__privacy {
  display: inline-block;
  margin-top: 11px;
  font-size: 11.5px;
  color: #C7D8E6;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding-top: 18px;
  font-size: 11.5px;
  color: #7FA3BC;
}
.footer__disclaimer { color: #7E97AC; }
.footer__to-top { display: inline-flex; align-items: center; gap: 6px; color: #C7D8E6; text-decoration: none; }
.footer__to-top:hover { color: var(--accent-light); }

/* ── Адаптив секций ──────────────────────────────────────────── */
@media (max-width: 1180px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .process__grid { grid-template-columns: repeat(3, 1fr); gap: 26px 14px; }
  .process__grid::before { display: none; }
  .step { padding-top: 0; padding-left: 62px; }
  .step__num { top: 0; }
  .cases__grid { grid-template-columns: 1fr 1fr; }
  .cases__grid .case-card:last-child { grid-column: 1 / -1; }
  .footer__grid { grid-template-columns: 1.2fr .8fr .8fr; }
  .footer__col--address { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, auto); gap: 8px 32px; align-items: start; }
  .footer__col--address .footer__title { grid-column: 1 / -1; margin-bottom: 4px; }
  .footer__privacy { margin-top: 0; }
}

@media (max-width: 1020px) {
  .about__grid, .quality__grid, .contact__grid { grid-template-columns: 1fr; }
  .about__copy { max-width: 720px; }
  .about__aside { max-width: 720px; }
  .geo__grid { grid-template-columns: 1fr; }
  .geo__regions { order: 2; }
  .geo__map { order: 1; }
  .faq__grid { grid-template-columns: 1fr; }
  .faq__intro { position: static; }
  .faq__list { margin-top: 8px; }
  .band__inner { grid-template-columns: repeat(2, 1fr); gap: 24px 20px; }
  .band__item:nth-child(3) { padding-left: 0; border-left: 0; }
  .contact__form-wrap { max-width: 640px; }
  .quality__aside { max-width: 640px; }
}

@media (max-width: 820px) {
  .section { padding-block: clamp(52px, 9vw, 76px); }
  .about { padding-top: clamp(96px, 13vw, 120px); }
  .services__grid { grid-template-columns: 1fr 1fr; }
  .process__grid { grid-template-columns: 1fr 1fr; }
  .cases__grid { grid-template-columns: 1fr; }
  .cases__grid .case-card:last-child { grid-column: auto; }
  .quotes { grid-template-columns: 1fr; }
  .contact-list { grid-template-columns: 1fr; }
  .map-panel { min-height: 380px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 16px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .section__title { font-size: clamp(27px, 7.4vw, 34px); }
  .services__grid { grid-template-columns: 1fr; }
  .about__aside { grid-template-columns: 1fr; }
  .process__grid { grid-template-columns: 1fr; }
  .process__note { padding: 18px; }
  .process__note .btn { width: 100%; }
  .band__inner { grid-template-columns: 1fr 1fr; gap: 22px 16px; }
  .band__item { padding-left: 16px; }
  .band__item:nth-child(odd) { padding-left: 0; border-left: 0; }
  .map-panel { min-height: 340px; padding: 10px; }
  .map-marker__label { padding: 4px 7px; font-size: 11px; }
  .map-marker__label small { font-size: 10px; }
  .map-marker--murmansk { left: 15%; top: 18%; }
  .map-marker--vorkuta { left: 20%; top: 34%; }
  .map-marker--salekhard { left: 24%; top: 50%; }
  .map-marker--novy-urengoy { left: 38%; top: 62%; }
  .map-marker--surgut { left: 36%; top: 80%; }
  .map-marker--norilsk { left: 58%; top: 40%; }
  .map-marker--yakutsk { left: 72%; top: 63%; }
  .map-marker--anadyr { left: 86%; top: 47%; }
  .map-panel__legend { font-size: 10px; }
  .map-panel__legend span.map-panel__legend-note { display: none; }
  .contact-form { padding: 20px 18px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .estimator__row { gap: 8px; }
  .estimator__metric output { font-size: 18px; }
  .footer { padding-top: 40px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 26px 20px; }
  .footer__brand { grid-column: 1 / -1; }
  .footer__col--address { display: block; }
  .footer__col--address .footer__title { margin-bottom: 10px; }
  .footer__privacy { margin-top: 12px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
}

@media (max-width: 420px) {
  .services__grid { gap: 12px; }
  .service-card { padding: 20px 18px; }
  .case-card { padding: 20px; }
  .quote-card { padding: 20px; }
  .map-marker--salekhard,
  .map-marker--vorkuta { display: none; }
  .footer__grid { grid-template-columns: 1fr; }
}

/* ── Печать ──────────────────────────────────────────────────── */
@media print {
  .site-header, .to-top, .mobile-menu, .contact-form, .hero__bg { display: none !important; }
  body { background: #fff; color: #000; }
  .section { padding-block: 24px; }
  .hero { background: #fff; color: #000; }
  .hero__title, .hero__lead { color: #000; }
  .geography, .contact, .band, .footer { background: #fff !important; color: #000 !important; }
  .section__title, .geography .section__title, .contact .section__title { color: #000 !important; }
}


/* ── Мобильные тап-таргеты и служебные блоки ─────────────────── */
@media (max-width: 820px) {
  .footer__list { gap: 2px; }
  .footer__list a { display: block; padding: 6px 0; }
}
.no-js-note {
  margin: 0;
  padding: 10px 16px;
  background: var(--amber-soft);
  border-bottom: 1px solid #F1DCB4;
  font-size: 12.5px;
  line-height: 1.5;
  color: #6B4A12;
  text-align: center;
}
.no-js-note a { color: #6B4A12; text-decoration: underline; text-underline-offset: 2px; }