/* ══════════════════════════════════════════
   ВГТ · Кабельная канализация — cable-duct.css
   ══════════════════════════════════════════ */

/* ── Hero ── */
.duct-hero {
  background: #070d0a;
  padding: var(--space-20) 0 var(--space-24);
  position: relative;
  overflow: hidden;
}
.duct-hero__texture {
  position: absolute;
  inset: 0;
  background-image: url('/assets/img/b2b/canal.png');
  background-size: cover;
  background-position: center;
  opacity: 0.22;
  z-index: 0;
}

.duct-hero__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-14);
  align-items: center;
  position: relative;
  z-index: 1;
}
@media (max-width: 900px) {
  .duct-hero__layout { grid-template-columns: 1fr; }
  .duct-hero__visual { order: -1; }
}

.duct-hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.25);
  color: #86efac; font-size: var(--font-size-sm); font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase;
  padding: 6px 14px; border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}
.duct-hero__title {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-white); line-height: 1.15;
  margin-bottom: var(--space-5);
}
.duct-hero__title span { color: #86efac; }
.duct-hero__desc { font-size: var(--font-size-lg); color: rgba(255,255,255,0.7); line-height: 1.7; margin-bottom: var(--space-8); }
.duct-hero__actions { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-8); }
@media (max-width: 640px) { .duct-hero__stats { grid-template-columns: repeat(2, 1fr); } }

/* Cross-section diagram */
.duct-cross-section {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-2xl); padding: var(--space-5); backdrop-filter: blur(10px);
}
.duct-cross-section__title {
  font-size: var(--font-size-xs); text-transform: uppercase; letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4); font-weight: 600; margin-bottom: var(--space-4);
}
.duct-xsec-svg { width: 100%; height: auto; display: block; }

/* ── Services Grid ── */
.duct-services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5); margin-top: var(--space-12);
}
@media (max-width: 1024px) { .duct-services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .duct-services-grid { grid-template-columns: 1fr; } }

.duct-svc-card {
  background: linear-gradient(135deg, rgba(34,197,94,0.03), white);
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: var(--radius-2xl); padding: var(--space-6);
  position: relative; overflow: hidden;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.duct-svc-card:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(34,197,94,0.1); }
.duct-svc-card__num {
  font-size: 3rem; font-weight: 800;
  color: rgba(34,197,94,0.15); line-height: 1;
  margin-bottom: var(--space-3); font-variant-numeric: tabular-nums;
}
.duct-svc-card__icon {
  width: 44px; height: 44px; border-radius: var(--radius-xl);
  background: rgba(34,197,94,0.1); color: #16a34a;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-4);
}
.duct-svc-card__title {
  font-size: var(--font-size-base); font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900); margin-bottom: var(--space-2);
}
.duct-svc-card__desc { font-size: var(--font-size-sm); color: var(--color-gray-500); line-height: 1.65; }

/* ── Rental Section ── */
.duct-rental-section { background: var(--color-gray-50); }
.duct-rental {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-14); align-items: start;
}
@media (max-width: 900px) { .duct-rental { grid-template-columns: 1fr; } }
/* Одноколоночный вариант (без тарифной карточки) */
.duct-rental--single { grid-template-columns: 1fr; max-width: 720px; margin-inline: auto; }

.duct-rental__eyebrow {
  display: inline-block;
  background: rgba(34,197,94,0.08); border: 1px solid rgba(34,197,94,0.2);
  color: #16a34a; font-size: var(--font-size-xs); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 4px 12px; border-radius: var(--radius-full); margin-bottom: var(--space-4);
}
.duct-rental__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: var(--font-weight-bold); color: var(--color-gray-900); line-height: 1.2;
  margin-bottom: var(--space-4);
}
.duct-rental__desc { font-size: var(--font-size-base); color: var(--color-gray-500); line-height: 1.7; margin-bottom: var(--space-6); }
.duct-rental__advantages { display: flex; flex-direction: column; gap: var(--space-4); margin-bottom: var(--space-8); }
.duct-adv-item {
  display: flex; align-items: flex-start; gap: var(--space-3);
}
.duct-adv-item__icon {
  width: 36px; height: 36px; border-radius: var(--radius-lg); flex-shrink: 0;
  background: rgba(10,108,255,0.08); color: var(--color-brand-500);
  display: flex; align-items: center; justify-content: center;
}
.duct-adv-item > div { display: flex; flex-direction: column; gap: 2px; }
.duct-adv-item strong { font-size: var(--font-size-sm); font-weight: 600; color: var(--color-gray-900); }
.duct-adv-item span { font-size: var(--font-size-sm); color: var(--color-gray-500); }

/* Tariff card */
.duct-tariff-card {
  background: var(--color-white); border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-2xl); padding: var(--space-7);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.duct-tariff-card__eyebrow {
  font-size: var(--font-size-xs); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-gray-400); margin-bottom: var(--space-5);
}
.duct-tariff-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-gray-100);
  gap: var(--space-4);
}
.duct-tariff-row--corp { background: rgba(10,108,255,0.03); margin: 0 -var(--space-2); padding: var(--space-4) var(--space-2); border-bottom: none; border-radius: var(--radius-lg); }
.duct-tariff-row__info { display: flex; flex-direction: column; gap: 2px; }
.duct-tariff-row__name { font-size: var(--font-size-sm); font-weight: 600; color: var(--color-gray-900); }
.duct-tariff-row__note { font-size: var(--font-size-xs); color: var(--color-gray-400); }
.duct-tariff-row__price {
  font-size: var(--font-size-base); font-weight: 700; color: var(--color-gray-900);
  white-space: nowrap; text-align: right; flex-shrink: 0;
}
.duct-tariff-row__price span { font-size: var(--font-size-xs); font-weight: 400; color: var(--color-gray-400); display: block; }
.duct-tariff-card__note {
  display: flex; align-items: flex-start; gap: var(--space-2);
  font-size: var(--font-size-xs); color: var(--color-gray-400); line-height: 1.55;
  background: var(--color-gray-50); border-radius: var(--radius-lg); padding: var(--space-3);
  margin: var(--space-5) 0;
}
.duct-tariff-card__note svg { flex-shrink: 0; margin-top: 2px; color: var(--color-gray-400); }

/* ── Materials Grid ── */
.duct-materials-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5); margin-top: var(--space-12);
}
@media (max-width: 900px) { .duct-materials-grid { grid-template-columns: 1fr; } }

.duct-material-card {
  background: var(--color-white); border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-2xl); padding: var(--space-7);
  position: relative; transition: box-shadow 0.25s ease;
}
.duct-material-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.07); }
.duct-material-card__badge {
  position: absolute; top: var(--space-5); right: var(--space-5);
  font-size: 11px; font-weight: 700; letter-spacing: 0.05em;
  padding: 3px 10px; border-radius: var(--radius-full);
}
.duct-material-card__badge--popular { background: rgba(10,108,255,0.08); color: var(--color-brand-500); }
.duct-material-card__icon {
  width: 52px; height: 52px; border-radius: var(--radius-xl);
  background: rgba(10,108,255,0.08); color: var(--color-brand-500);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-5);
}
.duct-material-card__icon--gray { background: rgba(107,122,153,0.08); color: var(--color-gray-500); }
.duct-material-card__icon--teal { background: rgba(20,184,166,0.1); color: #0d9488; }
.duct-material-card__name {
  font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900); margin-bottom: 4px;
}
.duct-material-card__subtitle { font-size: var(--font-size-sm); color: var(--color-gray-400); margin-bottom: var(--space-5); }
.duct-material-card__props {
  list-style: none; padding: 0; margin: 0 0 var(--space-5);
  display: flex; flex-direction: column; gap: var(--space-2);
}
.duct-material-card__props li {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: var(--font-size-sm);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-gray-100);
}
.duct-prop-label { color: var(--color-gray-400); }
.duct-prop-val { font-weight: 600; color: var(--color-gray-900); }
.duct-material-card__desc { font-size: var(--font-size-sm); color: var(--color-gray-500); line-height: 1.65; }

/* ── Clients ── */
.duct-clients-section { background: var(--color-gray-50); }
.duct-client-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5); margin-top: var(--space-12);
}
@media (max-width: 1024px) { .duct-client-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .duct-client-grid { grid-template-columns: 1fr; } }

.duct-client-card {
  background: var(--color-white); border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-2xl); padding: var(--space-6);
  transition: box-shadow 0.25s ease;
}
.duct-client-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.07); }
.duct-client-card__icon {
  width: 44px; height: 44px; border-radius: var(--radius-xl);
  background: rgba(34,197,94,0.08); color: #16a34a;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-4);
}
.duct-client-card__title {
  font-size: var(--font-size-base); font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900); margin-bottom: var(--space-2);
}
.duct-client-card__desc { font-size: var(--font-size-sm); color: var(--color-gray-500); line-height: 1.65; }