/* Pokrasim Engineering - Concept Light */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #FF6B00;
  --primary-hover: #e66000;
  --bg-color: #FFFFFF;
  --surface: #F5F5F7;
  --text-main: #1D1D1F;
  --text-secondary: #424245;
  --text-muted: #6E6E73;
  --border: #E5E5EA;
  --white: #FFFFFF;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --header-h: 80px;
  --ease: cubic-bezier(0.25, 1, 0.5, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body.light-body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video {
  display: block;
  max-width: 100%;
  height: auto;
}
button { font: inherit; cursor: pointer; border: none; background: none; }

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

.text-center { text-align: center; }
.bg-surface { background-color: var(--surface); }
.text-muted { color: var(--text-muted); }

/* Section heads */
.sec-head__label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  line-height: 1.08;
}

.section-desc {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 60px;
  line-height: 1.55;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s var(--ease);
  cursor: pointer;
  border: none;
}
.btn--primary {
  background-color: var(--primary);
  color: var(--white);
}
.btn--primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 0, 0.25);
}
.btn--secondary {
  background-color: rgba(255,255,255,0.1);
  color: var(--white);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
}
.btn--secondary:hover {
  background-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}
.btn--outline {
  background-color: transparent;
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 12px 24px;
}
.btn--outline:hover {
  border-color: var(--text-main);
}
.btn--large {
  padding: 20px 48px;
  font-size: 18px;
}
.btn--sm {
  padding: 12px 24px;
  font-size: 14px;
}

/* Header */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.header.scrolled {
  background: rgba(255,255,255,0.95);
  border-color: var(--border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.04);
}

.header__inner {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
  height: var(--header-h);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.header__logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  flex-shrink: 0;
}

.header__logo-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.header__logo-tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.header__nav {
  display: flex;
  gap: clamp(16px, 2vw, 32px);
}

.header__nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  white-space: nowrap;
}

.header__nav a:hover { color: var(--primary); }

.header__actions {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 24px);
  flex-shrink: 0;
}

.header__concept-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
}

.header__concept-link:hover { color: var(--primary); }

.header__phone {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.header__burger {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

.header__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-main);
  transition: 0.3s ease;
}

.header__burger.open span:first-child { transform: translateY(4px) rotate(45deg); }
.header__burger.open span:last-child { transform: translateY(-4px) rotate(-45deg); }

.header__mobile {
  display: none;
  flex-direction: column;
  gap: 16px;
  padding: 24px clamp(20px, 4vw, 40px) 32px;
  background: var(--white);
  border-top: 1px solid var(--border);
}

.header__mobile:not([hidden]) { display: flex; }
.header__mobile a { font-size: 18px; font-weight: 500; }
.header__mobile .btn { align-self: flex-start; margin-top: 8px; }

/* Hero */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero__video,
.hero__fallback {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__fallback:not([hidden]) { display: block; }

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.55) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  max-width: 960px;
  padding: 0 24px;
  padding-top: var(--header-h);
}

.hero__eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.75;
  margin-bottom: 20px;
}

.hero__title {
  font-size: clamp(36px, 5.5vw, 68px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero__subtitle {
  font-size: clamp(16px, 2.2vw, 24px);
  font-weight: 400;
  opacity: 0.92;
  margin-bottom: 48px;
  letter-spacing: 0.02em;
}

.hero__buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.hero__scroll-hint span {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.8), transparent);
  animation: scrollPulse 2s ease infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* Blueprint */
.blueprint {
  padding: clamp(80px, 10vw, 140px) 0;
  background: var(--white);
}

.blueprint__wrap {
  display: flex;
  gap: clamp(32px, 5vw, 60px);
  align-items: stretch;
}

.blueprint__drawing {
  flex: 1;
  min-width: 0;
}

.bp-svg {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.06);
}

.bp-zone { cursor: pointer; }
.bp-zone__hl { transition: opacity 0.35s var(--ease); }
.bp-zone.active .bp-zone__hl { opacity: 1 !important; }
.bp-zone.active rect:first-of-type { stroke: var(--primary) !important; }

.bp-hotspot {
  cursor: pointer;
  outline: none;
}

.bp-hotspot circle:first-child {
  transition: transform 0.3s var(--ease), stroke 0.3s ease;
  transform-origin: center;
}

.bp-hotspot:hover circle:first-child,
.bp-hotspot.active circle:first-child,
.bp-hotspot:focus-visible circle:first-child {
  stroke-width: 3;
  transform: scale(1.15);
}

.blueprint__info {
  flex: 0 0 min(380px, 100%);
  background: var(--surface);
  padding: clamp(28px, 4vw, 40px);
  border-radius: 20px;
  min-height: 280px;
  display: flex;
  align-items: center;
}

.bp-card {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.bp-card.active { display: block; }

.bp-card h3 {
  font-size: 22px;
  margin-bottom: 14px;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.bp-card p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.65;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Components */
.components {
  padding: clamp(80px, 10vw, 140px) 0;
}

.components__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.comp-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.04);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
  border: 1px solid rgba(0,0,0,0.03);
}

.comp-card--wide {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.comp-card--wide .comp-card__img { height: 100%; min-height: 220px; }

.comp-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 48px rgba(0,0,0,0.08);
}

.comp-card__img {
  height: 220px;
  overflow: hidden;
}

.comp-card__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  background: var(--surface);
  padding: 12px;
  transition: transform 0.6s var(--ease);
}

.comp-card:hover .comp-card__img img { transform: scale(1.03); }
.comp-card__body {
  padding: 24px;
}
.comp-card__title {
  font-size: 20px;
  margin-bottom: 8px;
}
.comp-card__desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.comp-card__list {
  list-style: none;
}
.comp-card__list li {
  font-size: 14px;
  padding-left: 20px;
  position: relative;
  margin-bottom: 6px;
}
.comp-card__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 6px;
  width: 8px; height: 8px;
  background: var(--primary);
  border-radius: 50%;
}

/* Process */
.process {
  padding: clamp(80px, 10vw, 140px) 0;
  background: var(--white);
}

.process__track {
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
}

.process__timeline {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  min-width: 900px;
  padding: 0 8px;
}

.process__timeline::before {
  content: "";
  position: absolute;
  top: 52px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--border), var(--primary), var(--border));
  z-index: 1;
}

.process__step {
  position: relative;
  z-index: 2;
  text-align: center;
  flex: 1;
  padding: 0 8px;
}

.process__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
}

.process__icon svg { width: 100%; height: 100%; }

.process__num {
  width: 36px;
  height: 36px;
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  margin: 0 auto 14px;
  transition: all 0.35s var(--ease);
}

.process__step:hover .process__num {
  border-color: var(--primary);
  color: var(--primary);
  transform: scale(1.08);
  box-shadow: 0 8px 20px rgba(255,107,0,0.15);
}

.process__name {
  font-size: clamp(14px, 1.5vw, 18px);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.process__arrow {
  flex: 0 0 auto;
  align-self: center;
  padding-top: 20px;
  font-size: 24px;
  color: var(--primary);
  font-weight: 300;
}

/* Reference gallery */
.ref-gallery {
  padding: clamp(56px, 7vw, 96px) 0;
}

.ref-gallery__track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 36px;
}

.ref-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.ref-card__media {
  aspect-ratio: 16 / 10;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  border-bottom: 1px solid var(--border);
}

.ref-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.ref-card__body {
  padding: 18px 20px 22px;
}

.ref-card__code {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 8px;
}

.ref-card__title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.ref-card__specs {
  display: grid;
  gap: 8px;
}

.ref-card__specs div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}

.ref-card__specs dt {
  color: var(--text-muted);
}

.ref-card__specs dd {
  font-weight: 600;
  text-align: right;
}

/* Trust */
.trust {
  padding: clamp(56px, 7vw, 96px) 0;
  background: var(--white);
}

.trust__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 40px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.trust-item {
  background: var(--white);
  padding: clamp(24px, 3vw, 32px);
}

.trust-item__code {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--primary);
  margin-bottom: 16px;
}

.trust-item__title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.trust-item__desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
}

/* Brands */
.brands {
  padding: clamp(56px, 7vw, 96px) 0;
  background: var(--surface);
}

.brands__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  margin-top: 40px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.brand-tile {
  background: var(--white);
  padding: clamp(24px, 3vw, 32px) clamp(16px, 2vw, 24px);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 96px;
  transition: background 0.25s ease;
}

.brand-tile:hover { background: #FAFAFA; }

.brand-logo {
  width: auto;
  height: 28px;
  max-width: 132px;
  object-fit: contain;
  opacity: 0.62;
  transition: opacity 0.25s ease;
}

.brand-tile:hover .brand-logo { opacity: 0.92; }

/* Video Tour */
.video-tour {
  padding: clamp(80px, 10vw, 140px) 0;
  background: var(--white);
}

.video-tour__wrapper {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.12);
  aspect-ratio: 16 / 9;
  background: #000;
}

.video-tour__video,
.video-tour__fallback {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-tour__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 32px;
  background: linear-gradient(transparent, rgba(0,0,0,0.75));
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 15px;
}

.video-tour__badge {
  background: var(--primary);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* CTA */
.cta {
  position: relative;
  padding: clamp(100px, 12vw, 180px) 0;
  min-height: 520px;
  display: flex;
  align-items: center;
}

.cta__bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.cta__bg img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  background: #111114;
}

.cta__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.62);
}

.cta__content {
  position: relative;
  z-index: 2;
  color: var(--white);
  max-width: 820px;
  margin: 0 auto;
}

.cta__title {
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 40px;
  letter-spacing: -0.03em;
}

/* Footer Light */
.footer-light {
  background: var(--white);
  padding: 40px 0;
  border-top: 1px solid var(--border);
}
.footer-light__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-light__brand {
  font-size: 18px;
}
.footer-light__links {
  display: flex;
  gap: 40px;
  font-weight: 500;
}
.footer-light__links a:hover {
  color: var(--primary);
}

/* --- Hero Split --- */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  min-height: 100vh;
  padding-top: var(--header-h);
  background: var(--white);
}

.hero-split__left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(40px, 6vw, 80px) clamp(24px, 4vw, 64px);
  border-right: 1px solid var(--border);
}

.hero-split__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 20px;
}

.hero-split__title {
  font-size: clamp(32px, 4.2vw, 56px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-split__sub {
  font-size: clamp(16px, 2vw, 22px);
  color: var(--text-muted);
  margin-bottom: 36px;
}

.hero-split__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero-split__ref {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
}

.hero-split__ref-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.hero-split__specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 24px;
}

.hero-split__specs dt {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.hero-split__specs dd {
  font-size: 16px;
  font-weight: 600;
}

.hero-split__right {
  position: relative;
  background:
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(255,107,0,0.08) 0%, transparent 70%),
    linear-gradient(180deg, #F8F8FA 0%, #ECECEF 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-split__stage {
  position: absolute;
  inset: 12% 8% 8%;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,0.7) 0%, rgba(255,255,255,0.2) 100%);
  pointer-events: none;
}

.hero-split__visual {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(32px, 5vw, 56px);
}

.hero-split__model {
  position: relative;
  z-index: 1;
  width: min(94%, 820px);
  height: auto;
  max-height: min(78vh, 680px);
  object-fit: contain;
  object-position: center bottom;
  filter: drop-shadow(0 40px 80px rgba(0,0,0,0.14));
}

.hero-split__dim-tag {
  position: absolute;
  bottom: 32px;
  left: 32px;
  background: rgba(255,255,255,0.95);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

.hero-split__dim-tag span {
  display: block;
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.hero-split__scheme {
  position: absolute;
  top: 32px;
  right: 32px;
  width: min(280px, 42%);
  background: rgba(255,255,255,0.95);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}

.hero-split__scheme-head {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.hero-split__scheme svg { width: 100%; height: auto; }

/* --- Drawings --- */
.drawings { padding: clamp(80px, 10vw, 120px) 0; }

.drawings__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 32px;
}

.drawings__tab {
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--white);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
}

.drawings__tab:hover { border-color: var(--primary); color: var(--primary); }

.drawings__tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.drawings__viewer {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.06);
}

.drawings__frame {
  background: #FAFAFA;
  padding: clamp(16px, 3vw, 32px);
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drawings__img {
  width: 100%;
  max-height: 72vh;
  object-fit: contain;
  transition: opacity 0.35s ease;
}

.drawings__meta {
  padding: 20px 28px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.drawings__meta-title { font-size: 20px; font-weight: 600; }
.drawings__meta-desc { font-size: 14px; color: var(--text-muted); }

/* --- 3D model blueprint --- */
.blueprint__model {
  position: relative;
  flex: 1;
  min-width: 0;
  background: linear-gradient(180deg, #FAFAFA 0%, #F5F5F7 100%);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: clamp(20px, 3vw, 40px);
  overflow: hidden;
}

.blueprint__model-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.blueprint__model-img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  object-fit: contain;
  max-height: 520px;
  margin: 0 auto;
  display: block;
}

.blueprint__model-dim {
  position: absolute;
  bottom: 20px;
  left: 20px;
  z-index: 2;
  background: rgba(255,255,255,0.95);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.model-hotspot {
  position: absolute;
  left: var(--x);
  top: var(--y);
  transform: translate(-50%, -50%);
  z-index: 3;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  background: var(--white);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  box-shadow: 0 4px 16px rgba(255,107,0,0.2);
}

.model-hotspot:hover,
.model-hotspot.active {
  background: var(--primary);
  color: var(--white);
  transform: translate(-50%, -50%) scale(1.12);
}

.blueprint__systems {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.sys-btn {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--white);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
}

.sys-btn:hover { border-color: var(--primary); color: var(--primary); }

.sys-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.blueprint__info {
  align-items: flex-start;
  flex-direction: column;
}

/* --- Disabled sections (kept in markup) --- */
.is-disabled,
[hidden] { display: none !important; }

/* --- Solutions / Типы камер --- */
.solutions { padding: clamp(80px, 10vw, 140px) 0; }

.solutions__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.sol-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s ease;
}

.sol-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 107, 0, 0.35);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.07);
}

.sol-card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.sol-card__code {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--primary);
}

.sol-card__type {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 10px;
}

.sol-card__icon {
  background: var(--surface);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 18px;
}

.sol-card__icon svg { width: 100%; height: auto; display: block; }

.sol-card__title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 10px;
}

.sol-card__desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.sol-card__specs {
  display: grid;
  gap: 8px;
  padding-top: 16px;
  margin-top: auto;
  border-top: 1px solid var(--border);
}

.sol-card__specs > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}

.sol-card__specs dt { color: var(--text-muted); }
.sol-card__specs dd { font-weight: 600; text-align: right; }

.sol-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
}

.sol-card:hover .sol-card__link span { transform: translateX(3px); }
.sol-card__link span { transition: transform 0.3s var(--ease); }

/* --- Technologies --- */
.technologies { padding: clamp(80px, 10vw, 140px) 0; }

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
}

.tech-item {
  background: var(--white);
  padding: 24px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.tech-item:hover {
  background: #FCFCFD;
  border-color: rgba(255,107,0,0.25);
}

.tech-item__title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.tech-item__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.tech-item__tag {
  margin-top: auto;
  align-self: flex-start;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(255, 107, 0, 0.07);
  border-radius: 999px;
  padding: 6px 12px;
}

/* --- Footer columns --- */
.footer-light__cols {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-light__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-light__col a {
  font-size: 14px;
  color: var(--text-muted);
}

.footer-light__col a:hover { color: var(--primary); }

.footer-light__title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-main);
  margin-bottom: 4px;
}

.footer-light__about {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 340px;
}

.footer-light__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

.footer-light__credit {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-light__credit:hover {
  color: var(--accent);
}

/* Responsive */
@media (max-width: 1200px) {
  .components__grid { grid-template-columns: repeat(2, 1fr); }
  .comp-card--wide { grid-column: span 2; }
  .ref-gallery__track { grid-template-columns: repeat(2, 1fr); }
  .trust__grid { grid-template-columns: repeat(2, 1fr); }
  .brands__grid { grid-template-columns: repeat(4, 1fr); }
  .solutions__grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-light__cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 1024px) {
  .hero-split { grid-template-columns: 1fr; }
  .hero-split__left { border-right: none; border-bottom: 1px solid var(--border); }
  .hero-split__visual { min-height: 420px; }
  .blueprint__wrap { flex-direction: column; }
  .blueprint__info { flex: 1; width: 100%; }
  .header__nav, .header__phone, .header__actions .btn { display: none; }
  .header__burger { display: flex; }
  .brands__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .components__grid { grid-template-columns: 1fr; }
  .comp-card--wide { grid-column: span 1; grid-template-columns: 1fr; }
  .process__timeline { flex-direction: column; gap: 24px; min-width: 0; align-items: stretch; }
  .process__timeline::before { display: none; }
  .process__arrow { display: none; }
  .process__step { display: flex; align-items: center; gap: 16px; text-align: left; }
  .process__icon { margin: 0; flex-shrink: 0; }
  .process__num { margin: 0; flex-shrink: 0; }
  .ref-gallery__track { grid-template-columns: 1fr; }
  .trust__grid { grid-template-columns: 1fr; }
  .brands__grid { grid-template-columns: repeat(2, 1fr); }
  .footer-light__inner { flex-direction: column; gap: 20px; text-align: center; }
  .footer-light__links { flex-wrap: wrap; justify-content: center; gap: 20px; }
  .header__concept-link { display: none; }
  .solutions__grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .footer-light__cols { grid-template-columns: 1fr; gap: 28px; }
  .footer-light__bottom { flex-direction: column; gap: 8px; }
  .hero-split__model { max-height: 52vh; }
}