:root {
  --brand: #e57a00;
  --brand-dark: #c46500;
  --ink: #15202b;
  --ink-soft: #3a4654;
  --steel: #5b6b7c;
  --line: #d5dde6;
  --paper: #f3f5f7;
  --white: #ffffff;
  --sand: #e8ecf0;
  --shadow: 0 12px 40px rgba(21, 32, 43, 0.12);
  --radius: 4px;
  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --max: 1180px;
  --header-h: 76px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(229, 122, 0, 0.08), transparent 55%),
    linear-gradient(180deg, #eef1f4 0%, var(--paper) 40%, #e9eef3 100%);
  line-height: 1.55;
  font-size: 17px;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
.h-display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.15;
  margin: 0 0 0.5em;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(247, 249, 251, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(21, 32, 43, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  min-height: var(--header-h);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}

.logo img {
  height: 48px;
  width: auto;
}

.logo__text {
  display: grid;
  gap: 0.05rem;
  line-height: 1;
}

.logo__text strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}

.logo__text em {
  font-style: normal;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--brand);
}

.header-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  gap: 0.15rem 1.1rem;
  flex: 1;
  min-width: 0;
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.header-nav a {
  white-space: nowrap;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.header-nav a:hover,
.header-nav a[aria-current="page"] {
  color: var(--brand);
  border-bottom-color: var(--brand);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  flex-shrink: 0;
  margin-left: auto;
}

.phone {
  color: var(--brand) !important;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 1.15rem !important;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: none !important;
}

.nav-parts-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius);
  background: var(--brand);
  color: #fff !important;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  transition: background 0.15s ease, transform 0.15s ease;
}

.nav-parts-btn:hover {
  background: #cf6a00;
  color: #fff !important;
  transform: translateY(-1px);
}

.nav-parts-btn[aria-current="page"] {
  box-shadow: inset 0 0 0 2px rgba(21, 32, 43, 0.2);
}

.burger {
  display: none;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius);
  cursor: pointer;
  line-height: 1;
}

/* Legacy aliases kept empty so old rules don't break */
.nav-left,
.nav-right,
.nav-links,
.header-catalog-btn {
  /* replaced by header-nav / header-actions */
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
  isolation: isolate;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: hero-zoom 18s ease-out forwards;
}

.hero__shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(12, 18, 26, 0.78) 0%, rgba(12, 18, 26, 0.45) 55%, rgba(12, 18, 26, 0.25) 100%),
    linear-gradient(0deg, rgba(12, 18, 26, 0.75) 0%, transparent 45%);
}

.hero__content {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto 4.5rem;
  max-width: 860px;
  animation: rise 0.9s ease both;
}

.brand-mark {
  font-family: var(--font-display);
  font-size: clamp(4rem, 11vw, 7rem);
  letter-spacing: 0.08em;
  line-height: 0.9;
  margin: 0 0 0.4em;
  text-transform: uppercase;
  color: #fff;
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.hero h1 {
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  font-weight: 500;
  max-width: 22ch;
  margin-bottom: 0.85rem;
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.2;
}

.hero__lead {
  margin: 0 0 1.6rem;
  max-width: 58ch;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(1.12rem, 1.7vw, 1.28rem);
  line-height: 1.55;
}

.hero__lead + .hero__lead {
  margin-top: -0.85rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--brand);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-dark {
  background: var(--ink);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}

.btn-outline:hover {
  background: var(--ink);
  color: var(--white);
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-head {
  margin-bottom: 2rem;
  max-width: 42rem;
}

.section-head .eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 0.55rem;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  margin-bottom: 0.55rem;
}

.section-head p {
  margin: 0;
  color: var(--ink-soft);
}

.band-dark {
  background:
    linear-gradient(135deg, #1a2532 0%, #243447 55%, #1c2a38 100%);
  color: var(--white);
}

.band-dark .section-head p {
  color: rgba(255, 255, 255, 0.78);
}

.band-steel {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0.2)),
    repeating-linear-gradient(
      -18deg,
      transparent,
      transparent 10px,
      rgba(21, 32, 43, 0.015) 10px,
      rgba(21, 32, 43, 0.015) 11px
    ),
    var(--sand);
}

/* Capacity picker */
.capacity-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.65rem;
}

.capacity-link {
  display: grid;
  place-items: center;
  min-height: 92px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.capacity-link span {
  display: block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--steel);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.2rem;
}

.capacity-link:hover {
  border-color: var(--brand);
  color: var(--brand);
  box-shadow: var(--shadow);
}

/* Catalog cards */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.model-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.15rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.model-card:hover {
  border-color: rgba(229, 122, 0, 0.55);
  box-shadow: var(--shadow);
}

.model-card__brand {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand);
}

.model-card h3 {
  font-size: 1.35rem;
  margin: 0;
}

.model-card__type {
  margin: 0;
  color: var(--steel);
  font-size: 0.92rem;
}

.specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
  margin: 0;
}

.specs--4 {
  grid-template-columns: repeat(4, 1fr);
}

.specs div {
  background: var(--paper);
  padding: 0.55rem 0.45rem;
  border-radius: var(--radius);
  text-align: center;
}

.specs dt {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--steel);
  margin: 0 0 0.15rem;
}

.specs dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.model-card__top {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: flex-start;
}

.model-card__badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: var(--paper);
  padding: 0.25rem 0.45rem;
  border-radius: var(--radius);
  max-width: 55%;
  text-align: right;
}

.model-card__visual {
  position: relative;
  margin: -0.15rem -0.15rem 0.75rem;
  padding: 0.65rem 0.5rem 0.35rem;
  background:
    linear-gradient(180deg, #eef3f7 0%, #f7f9fb 100%);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 2px);
  overflow: hidden;
}

.model-card__visual .mini-crane {
  width: 100%;
  height: auto;
  display: block;
  color: var(--ink);
}

.model-card__visual-label {
  position: absolute;
  top: 0.45rem;
  right: 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--steel);
  background: rgba(255, 255, 255, 0.85);
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
}

.model-card__mini-chart {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.45rem 0.55rem;
  background: linear-gradient(90deg, rgba(229, 122, 0, 0.08), transparent);
  border-radius: var(--radius);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--steel);
}

.mini-crane {
  width: 100%;
  max-width: 220px;
  height: auto;
  color: var(--ink);
  flex-shrink: 0;
}

.offer-strip {
  padding: 1.25rem 0;
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.offer-grid div {
  display: grid;
  gap: 0.15rem;
}

.offer-grid strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.03em;
}

.offer-grid span {
  color: var(--steel);
  font-size: 0.9rem;
}

.load-chart {
  margin: 0 0 1rem;
}

.load-chart figcaption,
.load-diagram figcaption {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0;
}

.load-chart svg {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.load-diagram {
  margin: 0;
}

.load-diagram__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
  margin-bottom: 0.85rem;
}

.load-diagram__badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: var(--paper);
  color: var(--ink);
}

.load-diagram__badge[data-family="flat"] {
  border-color: rgba(229, 122, 0, 0.45);
  color: #9a4d00;
  background: rgba(229, 122, 0, 0.08);
}

.load-diagram__badge[data-family="topkit"] {
  border-color: rgba(21, 32, 43, 0.25);
  background: rgba(21, 32, 43, 0.05);
}

.load-diagram__crane {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: block;
  background: #ffffff;
  margin: 0.35rem 0 0.75rem;
}

.capacity-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 1.1rem;
}

.capacity-tab {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.45rem 0.85rem;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.capacity-tab:hover {
  border-color: var(--brand);
  color: var(--brand-dark);
}

.capacity-tab.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.load-diagram__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin: 0.85rem 0 1.1rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.load-diagram__legend .dot {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 2px;
  margin-right: 0.35rem;
  vertical-align: middle;
}

.load-diagram__legend .dot-cap {
  background: var(--ink);
}

.load-diagram__legend .dot-tip {
  background: var(--brand);
}

.load-diagram__subtitle {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 0.35rem;
}

.load-diagram__hint {
  margin: 0 0 0.85rem;
  color: var(--steel);
  font-size: 0.9rem;
}

.load-diagram__table {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
}

.load-diagram__row {
  display: grid;
  grid-template-columns: 4.5rem 1fr 4.2rem;
  gap: 0.55rem;
  align-items: center;
}

.load-diagram__row--head {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--steel);
  font-weight: 700;
  padding-bottom: 0.2rem;
}

.load-diagram__len {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--ink);
}

.load-diagram__segs {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.28rem;
  min-width: 0;
}

.load-diagram__seg {
  flex: 1 1 0;
  min-width: 1.35rem;
  height: 1.55rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
}

.load-diagram__seg.is-tip {
  background: var(--brand);
}

.load-diagram__seg.is-empty {
  background: transparent;
  border: 1px dashed #c5ced8;
  color: transparent;
}

.load-diagram__tip {
  text-align: right;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.load-diagram__tip strong {
  color: var(--brand);
  font-size: 1rem;
}

.load-chart__note,
.load-table-wrap h3 {
  margin: 0.75rem 0 0.5rem;
  font-size: 0.9rem;
  color: var(--steel);
}

.load-table-wrap h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--ink);
}

.load-table th,
.load-table td {
  text-align: center !important;
  font-size: 0.9rem;
}

.quiz__progress {
  height: 6px;
  background: var(--line);
  border-radius: 99px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.quiz__progress i {
  display: block;
  height: 100%;
  width: 33%;
  background: var(--brand);
  transition: width 0.25s ease;
}

.quiz__step {
  color: var(--steel);
  font-size: 0.9rem;
  margin: 0 0 0.75rem;
}

.quiz__hint {
  color: var(--ink-soft);
  margin: 0 0 1rem;
}

.quiz__options {
  display: grid;
  gap: 0.55rem;
}

.quiz__opt {
  text-align: left;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.quiz__opt:hover {
  border-color: var(--brand);
  background: rgba(229, 122, 0, 0.06);
}

@media (max-width: 980px) {
  .offer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .specs--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.model-card__actions {
  margin-top: auto;
  display: flex;
  gap: 0.5rem;
}

.model-card__actions .btn {
  flex: 1;
  padding: 0.7rem 0.6rem;
  font-size: 0.85rem;
}

/* Filters */
.filters {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.filters label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.filters select,
.filters input,
.form input,
.form textarea,
.form select {
  width: 100%;
  padding: 0.7rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font: inherit;
  background: var(--paper);
  color: var(--ink);
}

.filters select:focus,
.form input:focus,
.form textarea:focus,
.form select:focus {
  outline: 2px solid rgba(229, 122, 0, 0.35);
  border-color: var(--brand);
}

.results-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  color: var(--steel);
  font-size: 0.95rem;
}

/* Process */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  counter-reset: step;
}

.process li {
  list-style: none;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 1.2rem;
  position: relative;
}

.process li::before {
  counter-increment: step;
  content: counter(step);
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--brand);
  display: block;
  margin-bottom: 0.5rem;
}

.process h3 {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.process p {
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
}

/* Proof / clients */
.clients {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.client-chip {
  padding: 0.65rem 1rem;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* Split feature */
.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.split__media {
  min-height: 380px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.split__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.checklist {
  margin: 1rem 0 1.5rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.checklist li {
  padding-left: 1.35rem;
  position: relative;
  color: var(--ink-soft);
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--brand);
  border-radius: 1px;
}

/* Forms */
.form {
  display: grid;
  gap: 0.75rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.form .full {
  grid-column: 1 / -1;
}

.form small {
  color: var(--steel);
  font-size: 0.82rem;
}

/* Согласие на обработку ПДн под формами */
.form .consent {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  color: var(--steel);
  font-size: 0.82rem;
  line-height: 1.35;
  cursor: pointer;
}
.form .consent input {
  width: auto;
  flex: none;
  margin: 0.1rem 0 0;
  padding: 0;
  accent-color: var(--brand);
}
.form .consent a { color: inherit; text-decoration: underline; }

/* Политика, согласие, реквизиты */
.legal { max-width: 820px; }
.legal h2 { margin: 1.75rem 0 0.5rem; font-size: 1.25rem; }
.legal p, .legal li { line-height: 1.6; }
.legal ul { padding-left: 1.25rem; }
.requisites { display: grid; gap: 0.4rem; margin: 0.75rem 0 0; max-width: 640px; }
.requisites div { display: grid; grid-template-columns: 11rem 1fr; gap: 1rem; padding-bottom: 0.4rem; border-bottom: 1px solid var(--line); }
.requisites dt { color: var(--steel); }
.requisites dd { margin: 0; }
.contacts-map { width: 100%; height: 320px; border: 1px solid var(--line); border-radius: var(--radius); margin-top: 1rem; }
.footer-bottom a { color: inherit; text-decoration: underline; }
@media (max-width: 640px) {
  .requisites div { grid-template-columns: 1fr; gap: 0.1rem; }
}

.lead-strip {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
  align-items: start;
}

/* FAQ */
.faq details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin-bottom: 0.65rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq details p {
  margin: 0.7rem 0 0;
  color: var(--ink-soft);
}

/* Page hero (inner) */
.page-hero {
  padding: 3.2rem 0 2rem;
  background:
    linear-gradient(120deg, rgba(21, 32, 43, 0.92), rgba(21, 32, 43, 0.7)),
    url("../img/section-crane.jpg") center/cover;
  color: var(--white);
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  max-width: 16ch;
}

.page-hero p {
  max-width: 48ch;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumbs a:hover {
  color: var(--brand);
}

/* Parts */
.parts-hero .parts-hero__lead {
  max-width: 52ch;
  font-size: 1.05rem;
  line-height: 1.55;
}

.parts-hero__grid {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr;
  gap: 1.75rem;
  align-items: end;
}

.parts-checks {
  list-style: none;
  padding: 0;
  margin: 1.1rem 0 1.35rem;
  display: grid;
  gap: 0.45rem;
}

.parts-checks li {
  position: relative;
  padding-left: 1.35rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
}

.parts-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 2px;
  background: var(--brand);
}

.parts-hero__aside {
  display: grid;
  gap: 0.75rem;
}

.parts-stat {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  display: grid;
  gap: 0.15rem;
}

.parts-stat strong {
  font-size: 1.35rem;
  color: var(--brand);
  letter-spacing: 0.02em;
}

.parts-stat span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
}

.parts-search {
  max-width: 820px;
}

.parts-search h2 {
  margin: 0 0 0.35rem;
  font-size: 1.45rem;
}

.parts-search p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
}

.parts-search__row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.65rem;
}

.parts-search input,
.parts-search__row input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  font: inherit;
  background: var(--paper);
}

.parts-popular {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-top: 1rem;
  color: var(--steel);
  font-size: 0.9rem;
}

.parts-tag {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 0.45rem 0.75rem;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.parts-tag:hover {
  border-color: var(--brand);
  color: var(--brand-ink, #8a3a00);
  background: rgba(232, 117, 26, 0.08);
}

.parts-cats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
}

.parts-cat {
  display: grid;
  gap: 0.35rem;
  padding: 1.15rem 1.2rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.parts-cat:hover {
  border-color: var(--brand);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.parts-cat strong {
  font-size: 1.05rem;
}

.parts-cat span {
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.4;
}

.parts-cat em {
  display: block;
  margin-top: 0.45rem;
  font-style: normal;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--brand);
}

.parts-filters {
  margin-bottom: 1.25rem;
}

.parts-filters__row {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 0.75rem;
}

.parts-filters label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--steel);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.parts-filters input,
.parts-filters select {
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.7rem 0.85rem;
  background: var(--paper);
}

.parts-filters__count {
  margin: 0.85rem 0 0;
  color: var(--ink-soft);
}

.parts-side-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.25rem;
  align-items: start;
}

.parts-side h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0 0 0.55rem;
}

.parts-side h3 + .parts-side__list {
  margin-bottom: 1.25rem;
}

.parts-side__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.35rem;
}

.parts-side__list a {
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.parts-side__list a:hover {
  color: var(--brand);
}

.parts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
}

.part-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
  display: grid;
  gap: 0.45rem;
  align-content: start;
}

.part-card__top {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: center;
}

.part-card__brand {
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--steel);
}

.part-card__stock {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.part-card__stock--in {
  color: #1f6b3a;
  background: rgba(31, 107, 58, 0.08);
  border-color: rgba(31, 107, 58, 0.25);
}

.part-card__stock--order {
  color: #8a4b00;
  background: rgba(229, 122, 0, 0.1);
  border-color: rgba(229, 122, 0, 0.3);
}

.part-card__stock--ask {
  color: var(--steel);
  background: var(--paper);
}

.part-card h3 {
  font-size: 1.05rem;
  margin: 0;
  line-height: 1.3;
}

.part-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  margin: 0;
  font-size: 0.85rem;
  color: var(--steel);
}

.part-card__desc {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.4;
}

.part-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.parts-empty {
  margin-top: 1rem;
  color: var(--steel);
}

a.parts-tag {
  text-decoration: none;
}

.band-steel .parts-cat {
  background: rgba(255, 255, 255, 0.92);
}

.process--light li {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
}

.process--light p {
  color: var(--ink-soft);
}

/* Model detail */
.model-layout {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 1.5rem;
  align-items: start;
}

.panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.ttx-table {
  width: 100%;
  border-collapse: collapse;
}

.ttx-table th,
.ttx-table td {
  text-align: left;
  padding: 0.7rem 0.4rem;
  border-bottom: 1px solid var(--line);
}

.ttx-table th {
  color: var(--steel);
  font-weight: 600;
  width: 45%;
}

.sticky-cta {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}

.note {
  font-size: 0.88rem;
  color: var(--steel);
  background: var(--paper);
  padding: 0.75rem;
  border-radius: var(--radius);
}

/* Footer */
.site-footer {
  background: #101820;
  color: rgba(255, 255, 255, 0.82);
  padding: 3rem 0 2rem;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 1.5rem;
}

.site-footer a:hover {
  color: var(--brand);
}

.site-footer h3 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 0.8rem;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.footer-brand img {
  height: 48px;
  margin-bottom: 0.8rem;
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.88rem;
}

/* Mobile sticky bar */
.mobile-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  background: rgba(16, 24, 32, 0.96);
  padding: 0.65rem 0.85rem;
  gap: 0.45rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-bar .btn {
  flex: 1;
  font-size: 0.82rem;
  padding: 0.7rem 0.4rem;
}

.mobile-bar__catalog {
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff !important;
  background: rgba(255, 255, 255, 0.08);
}

/* Animations */
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-zoom {
  from {
    transform: scale(1.08);
  }
  to {
    transform: scale(1);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Responsive */
@media (max-width: 1100px) {
  .header-nav {
    display: none;
  }

  .burger {
    display: inline-flex;
  }

  .header-actions {
    gap: 0.55rem;
  }

  .phone {
    font-size: 1.05rem !important;
  }
}

@media (max-width: 980px) {
  .capacity-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .filters {
    grid-template-columns: 1fr 1fr;
  }

  .process,
  .split,
  .lead-strip,
  .model-layout,
  .footer-grid,
  .parts-hero__grid {
    grid-template-columns: 1fr;
  }

  .parts-cats {
    grid-template-columns: 1fr 1fr;
  }

  .parts-search__row {
    grid-template-columns: 1fr;
  }

  .parts-filters__row {
    grid-template-columns: 1fr 1fr;
  }

  .parts-side-layout {
    grid-template-columns: 1fr;
  }

  .parts-side {
    display: none;
  }

  .parts-grid {
    grid-template-columns: 1fr;
  }

  .load-diagram__row {
    grid-template-columns: 3.6rem 1fr 3.6rem;
    gap: 0.35rem;
  }

  .load-diagram__seg {
    min-width: 1.1rem;
    height: 1.35rem;
    font-size: 0.65rem;
  }

  .mobile-bar {
    display: flex;
  }

  body {
    padding-bottom: 72px;
  }
}

@media (max-width: 640px) {
  .capacity-grid,
  .catalog-grid,
  .filters,
  .form-grid,
  .specs,
  .parts-cats {
    grid-template-columns: 1fr 1fr;
  }

  .capacity-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .header-inner {
    gap: 0.65rem;
  }

  .logo img {
    height: 40px;
  }

  .logo__text strong {
    font-size: 1.05rem;
  }

  .logo__text em {
    display: none;
  }

  .phone {
    display: none;
  }

  .nav-parts-btn {
    font-size: 0.74rem;
    padding: 0.45rem 0.7rem;
  }

  .hero__content {
    margin-bottom: 3rem;
  }
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: rgba(243, 245, 247, 0.98);
  padding: 1.25rem;
  z-index: 40;
  flex-direction: column;
  gap: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  overflow: auto;
}

.mobile-nav.is-open {
  display: flex;
}

.mobile-nav .nav-parts-btn {
  width: fit-content;
}

/* Индекс всех моделей на главной (SEO-ссылки на карточки) */
.model-index__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem 2rem; margin-top: 1.5rem; }
.model-index__brand summary { list-style: none; cursor: default; }
.model-index__brand summary::-webkit-details-marker { display: none; }
.model-index__brand h3 { font-size: 1.05rem; margin: 0 0 0.6rem; display: flex; align-items: baseline; gap: 0.5rem; }
.model-index__all { display: inline-block; margin-top: 0.6rem; font-size: 0.88rem; color: #f28c0f; text-decoration: none; font-weight: 600; }
.model-index__brand h3 span { font-size: 0.8rem; font-weight: 400; opacity: 0.55; }
.model-index__brand ul { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 1rem; }
.model-index__brand li { break-inside: avoid; padding: 0.15rem 0; }
.model-index__brand li a { display: flex; justify-content: space-between; gap: 0.5rem; font-size: 0.9rem; color: inherit; text-decoration: none; opacity: 0.85; }
.model-index__brand li a:hover { opacity: 1; color: #f28c0f; }
.model-index__brand li small { opacity: 0.55; font-size: 0.78rem; white-space: nowrap; }

/* Плашка «расчётная схема» над графиком г/п */
.calc-warn { background: #fff4e5; border: 1px solid #f2b56b; border-left: 4px solid #f28c0f; color: #4a2e05; padding: 0.85rem 1rem; border-radius: 10px; margin-bottom: 1rem; font-size: 0.93rem; line-height: 1.5; }
.calc-warn strong { display: block; margin-bottom: 0.2rem; color: #7a3d00; }

/* Тексты страниц аренды по тоннажу */
.rent-text p { max-width: 68ch; line-height: 1.65; margin: 0 0 1rem; }
.rent-facts { background: #f5f6f8; border-radius: 14px; padding: 1.25rem 1.4rem; align-self: start; }
.rent-facts h3 { margin: 0 0 0.8rem; font-size: 1.05rem; }
.rent-facts .specs { display: grid; gap: 0.55rem; }
.rent-facts .specs div { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px solid #e3e6eb; padding-bottom: 0.45rem; }
.rent-facts dt { opacity: 0.65; font-size: 0.88rem; }
.rent-facts dd { margin: 0; font-weight: 600; text-align: right; font-size: 0.92rem; }
.rent-facts .note { margin-top: 0.9rem; font-size: 0.82rem; opacity: 0.75; }


/* ==========================================================================
   Мобильная версия (≤640px): один столбец, крупные кнопки, без простыней
   ========================================================================== */
@media (max-width: 640px) {
  /* Hero: логотип уже в шапке — гигантский IKSCRANE не нужен; один абзац вместо двух; кнопки во всю ширину */
  .brand-mark { display: none; }
  .hero { min-height: 0; }
  .hero__content { margin: 2.5rem auto 2.5rem; }
  .hero h1 { font-size: 1.75rem; max-width: none; }
  .hero__lead { font-size: 1rem; line-height: 1.5; margin-bottom: 1rem; }
  .hero__lead + .hero__lead { display: none; }
  .hero .cta-row { flex-direction: column; align-items: stretch; gap: 0.6rem; }
  .hero .cta-row .btn { width: 100%; justify-content: center; }
  .hero__shade { background: linear-gradient(180deg, rgba(12, 18, 26, 0.55) 0%, rgba(12, 18, 26, 0.85) 100%) !important; }

  /* Заголовки и отступы */
  h1 { font-size: 1.7rem; }
  h2 { font-size: 1.45rem; line-height: 1.2; }
  .section { padding: 2.25rem 0; }
  .page-hero .cta-row { flex-direction: column; align-items: stretch; }
  .page-hero .cta-row .btn { width: 100%; justify-content: center; }

  /* Сетки: один столбец там, где два не влезают */
  .catalog-grid, .form-grid, .filters, .parts-cats, .offer-grid { grid-template-columns: 1fr; }
  .form-grid .full { grid-column: auto; }
  .offer-grid { gap: 0.5rem; }
  .capacity-grid { grid-template-columns: repeat(3, 1fr); gap: 0.5rem; }
  .capacity-link { padding: 0.75rem 0.5rem; }
  .results-meta { flex-direction: column; align-items: stretch; gap: 0.75rem; }
  .results-meta .btn { width: 100%; justify-content: center; }
  .capacity-tabs { gap: 0.35rem; }
  .capacity-tab { padding: 0.5rem 0.7rem; font-size: 0.85rem; }

  /* Карточка модели: кнопки в столбик, крупнее */
  .model-card__actions { flex-direction: column; }
  .model-card__actions .btn { width: 100%; justify-content: center; font-size: 0.95rem; padding: 0.8rem 1rem; }

  /* Страницы аренды: не 24 карточки подряд — первые 6 и ссылка на каталог */
  .rent-page .catalog-grid .model-card:nth-child(n + 7) { display: none; }
  .rent-facts .specs div { flex-direction: column; gap: 0.15rem; }
  .rent-facts dd { text-align: left; }

  /* Индекс моделей на главной: аккордеон по брендам (main.js снимает open) */
  .model-index__grid { grid-template-columns: 1fr; gap: 0.5rem; }
  .model-index__brand { border: 1px solid #e3e6eb; border-radius: 12px; padding: 0.75rem 1rem; background: #fff; }
  .model-index__brand summary { cursor: pointer; }
  .model-index__brand h3 { margin: 0; justify-content: space-between; }
  .model-index__brand h3::after { content: "+"; font-weight: 400; color: #f28c0f; margin-left: auto; }
  .model-index__brand[open] h3 { margin-bottom: 0.6rem; }
  .model-index__brand[open] h3::after { content: "–"; }
  .model-index__brand ul { columns: 1; }
  .model-index__brand li { padding: 0.35rem 0; border-bottom: 1px solid #eef0f3; }
  .model-index__brand li a { font-size: 1rem; }

  /* Карточка модели: таблица г/п по вылету скроллится, а не сжимается в кашу */
  .load-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -1rem; padding: 0 1rem; }
  .load-table { min-width: 560px; }
  .ttx-table th, .ttx-table td { font-size: 0.95rem; padding: 0.55rem 0.6rem; }
  .calc-warn { font-size: 0.88rem; }
  .model-layout aside { position: static; }

  /* Формы */
  .form input, .form select, .form textarea { font-size: 16px; } /* iOS не зумит поле при фокусе */
  .form .btn { width: 100%; justify-content: center; }

  /* Футер и нижняя панель */
  img { max-width: 100%; height: auto; }
  .footer-brand img { width: 120px; height: auto; }
  .footer-grid { gap: 1.5rem; }
  .site-footer li { padding: 0.2rem 0; }
  .site-footer li a { display: inline-block; padding: 0.15rem 0; }
  .mobile-bar .btn { flex: 1 1 0; min-width: 0; padding: 0.7rem 0.4rem; font-size: 0.8rem; white-space: nowrap; }
  .split__media { order: -1; }
}

/* Мобилка: колонки грида не растягиваются по ширине содержимого (иначе карточка модели и фильтры запчастей уезжают вправо) */
.model-layout > *,
.parts-filters__row > * { min-width: 0; }
@media (max-width: 640px) {
  .parts-filters__row { grid-template-columns: 1fr; }
}