/* ============================================================
   ЧКЗ — Pixel-perfect implementation
   Reference: design screenshots (mobile + desktop)
   ============================================================ */

:root {
  --dark:      #111111;
  --dark2:     #1C1C1C;
  --yellow:    #F5C518;
  --yellow2:   #E0B000;
  --yellow-bg: #F5C518;
  --yellow-lt: rgba(245,197,24,.10);
  --gray:      #888888;
  --gray-mid:  #AAAAAA;
  --gray-lt:   #F4F4F4;
  --border:    #E0E0E0;
  --white:     #FFFFFF;
  --text:      #111111;
  --text-sm:   #666666;
  --radius:    4px;
  --radius-md: 8px;
  --shadow-sm: 0 1px 6px rgba(0,0,0,.06);
  --shadow:    0 2px 16px rgba(0,0,0,.08);
  --shadow-md: 0 6px 32px rgba(0,0,0,.12);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.16);
  --container: 1280px;
}

/* ── Reset / Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  margin: 0; font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  line-height: 1.6; color: var(--text); background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4,h5,h6 { margin: 0 0 .5em; line-height: 1.12; font-weight: 700; }
p { margin: 0 0 1em; }
button, input, select, textarea { font-family: inherit; }
.container    { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 960px; margin: 0 auto; padding: 0 24px; }

/* ══════════════════════════════════════════════════════════
   HEADER
══════════════════════════════════════════════════════════ */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 8px rgba(0,0,0,.06);
}
.header-inner {
  display: flex; align-items: center;
  height: 68px; gap: 0;
}

/* Logo */
.logo {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0; margin-right: 32px;
}
.logo-icon {
  width: 42px; height: 42px; border-radius: 6px;
  background: var(--dark); flex-shrink: 0; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.logo-text { display: flex; flex-direction: column; }
.logo-name {
  font-size: 16px; font-weight: 800; color: var(--dark);
  line-height: 1.15; letter-spacing: -.3px;
}
.logo-sub { font-size: 10px; color: var(--gray); line-height: 1.3; white-space: nowrap; }
.logo-img { height: 42px; width: auto; display: block; }
.logo-icon-img { width: 42px; height: 42px; display: block; object-fit: contain; flex-shrink: 0; }
.logo-name-stack {
  font-size: 11px; font-weight: 700; color: var(--dark);
  line-height: 1.25; letter-spacing: -.1px;
}

/* Nav */
.main-nav {
  display: flex; align-items: center; flex: 1; gap: 0;
}
.main-nav > a,
.main-nav > .nav-dropdown > a {
  display: block; color: var(--text); font-size: 14px; font-weight: 500;
  padding: 8px 12px; border-radius: var(--radius); white-space: nowrap;
  transition: background .15s;
}
.main-nav > a:hover,
.main-nav > .nav-dropdown:hover > a { background: var(--gray-lt); }

/* Header right */
.header-right {
  display: flex; align-items: center; gap: 12px; flex-shrink: 0; margin-left: 16px;
}
.header-phone { text-align: right; }
.header-phone a {
  display: block; font-size: 15px; font-weight: 800; color: var(--dark); line-height: 1.2;
}
.header-phone small { display: block; font-size: 10px; color: var(--gray); font-weight: 400; }

.btn-engineer {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--yellow); color: var(--dark);
  font-size: 14px; font-weight: 700; padding: 10px 18px;
  border-radius: var(--radius); border: none; cursor: pointer;
  white-space: nowrap; transition: background .15s;
  text-decoration: none;
}
.btn-engineer:hover { background: var(--yellow2); color: var(--dark); }

.header-search-btn {
  background: none; border: none; cursor: pointer; padding: 8px;
  color: var(--gray); border-radius: var(--radius); transition: color .15s;
  display: flex; align-items: center; justify-content: center;
}
.header-search-btn:hover { color: var(--dark); }

/* Megamenu */
.nav-dropdown { position: relative; }
.nav-dropdown .megamenu {
  display: none; position: absolute; top: 100%; left: -20px;
  background: var(--white); border-radius: var(--radius-md);
  box-shadow: 0 8px 40px rgba(0,0,0,.14); padding: 24px;
  min-width: 640px; border: 1px solid var(--border); z-index: 2000;
}
.nav-dropdown:hover .megamenu { display: flex; gap: 20px; }
.megamenu-col { flex: 1; min-width: 0; }
.megamenu-col h4 {
  font-size: 10px; letter-spacing: 1.8px; text-transform: uppercase;
  color: var(--gray); margin-bottom: 10px; font-weight: 600;
}
.megamenu-col a {
  display: block; color: var(--text); font-size: 13px; font-weight: 500;
  padding: 6px 0; border-bottom: 1px solid #F0F0F0; transition: color .15s, padding .15s;
}
.megamenu-col a:hover { color: var(--yellow2); padding-left: 4px; }
.megamenu-col a:last-child { border-bottom: none; }

/* Mobile toggle */
.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  padding: 4px; flex-direction: column; gap: 5px; align-items: center;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--dark); border-radius: 2px; transition: .25s;
}

/* ── Mobile Drawer ─────────────────────────────────────── */
.mobile-drawer {
  display: none; position: fixed; inset: 0; z-index: 3000;
}
.mobile-drawer.open { display: block; }
.drawer-overlay {
  position: absolute; inset: 0; background: rgba(0,0,0,.45);
  animation: fadeIn .2s;
}
.drawer-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: 320px;
  background: var(--white); display: flex; flex-direction: column;
  overflow-y: auto; animation: slideIn .25s;
}
@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideIn { from { transform: translateX(100%); } to { transform: translateX(0); } }
.drawer-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.drawer-close {
  background: none; border: none; cursor: pointer;
  color: var(--gray); font-size: 20px; padding: 4px 8px; line-height: 1;
}
.drawer-search {
  padding: 12px 16px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.drawer-search-inner {
  display: flex; align-items: center;
  background: var(--gray-lt); border-radius: var(--radius); padding: 0 12px; gap: 8px;
}
.drawer-search-inner input {
  flex: 1; border: none; background: none; padding: 10px 0;
  font-size: 14px; color: var(--text); outline: none;
}
.drawer-search-inner span { color: var(--gray); font-size: 16px; }
.drawer-nav { flex: 1; overflow-y: auto; }
.drawer-nav a {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; color: var(--text); font-size: 15px; font-weight: 500;
  border-bottom: 1px solid #F5F5F5; transition: background .15s;
}
.drawer-nav a:hover { background: var(--gray-lt); }
.drawer-nav a .dn-icon { font-size: 20px; width: 28px; text-align: center; flex-shrink: 0; }
.drawer-nav a .dn-label { flex: 1; }
.drawer-nav a .dn-arrow { color: var(--gray-mid); font-size: 14px; }
.drawer-phone {
  padding: 20px 16px; border-top: 1px solid var(--border); flex-shrink: 0;
  background: #FAFAFA;
}
.drawer-phone .dp-num {
  display: block; font-size: 22px; font-weight: 900; color: var(--dark);
  margin-bottom: 2px; line-height: 1.2;
}
.drawer-phone .dp-free { font-size: 11px; color: var(--gray); }
.drawer-phone .btn-engineer {
  display: flex; justify-content: center; width: 100%; margin-top: 12px;
  font-size: 15px; padding: 13px 20px;
}

/* ── Bottom Nav (mobile) ────────────────────────────────── */
.bottom-nav {
  display: none; position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--white); border-top: 1px solid var(--border);
  z-index: 900; height: 60px;
}
.bottom-nav-inner { display: flex; height: 100%; }
.bn-item {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 2px;
  font-size: 10px; font-weight: 500; color: var(--gray); text-decoration: none;
  transition: color .15s;
}
.bn-item.active, .bn-item:hover { color: var(--dark); }
.bn-icon { font-size: 20px; line-height: 1; }
.bn-item.bn-cta {
  background: var(--yellow); color: var(--dark); font-weight: 700;
  font-size: 11px; border-radius: 12px 12px 0 0; margin: 0 3px;
}
.bn-item.bn-cta .bn-icon { font-size: 22px; }

/* ══════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════ */
.hero { background: #EBEBEB; overflow: hidden; position: relative; padding-bottom: 24px; }
.hero-inner {
  display: grid; grid-template-columns: 58% 42%;
  min-height: 520px; align-items: center; position: relative;
}

/* LEFT */
.hero-content { padding: 56px 0; position: relative; z-index: 2; }
.hero-label {
  display: block; font-size: 11px; font-weight: 600;
  letter-spacing: 2.2px; text-transform: uppercase;
  color: #888; margin-bottom: 20px;
}
.hero-h1 {
  font-size: clamp(28px, 3.2vw, 46px); font-weight: 900;
  text-transform: uppercase; line-height: 1.04;
  letter-spacing: -.5px; color: var(--dark);
  margin: 0 0 20px;
}
.hero-h1__yellow { color: var(--yellow); }
.hero-h1__light { font-weight: 600; }
.hero-sub {
  font-size: 15px; color: #555; line-height: 1.7;
  margin-bottom: 36px; max-width: 420px;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-btns .btn { text-transform: uppercase; letter-spacing: .5px; font-size: 14px; }

/* RIGHT */
.hero {
  background-image: url('/assets/img/hero-bg.jpg');
  background-size: cover; background-position: right center; background-repeat: no-repeat;
}
.hero-image {
  position: relative; height: 100%; min-height: 500px;
  display: flex; align-items: flex-end; justify-content: center;
  padding-bottom: 0;
}
.hero-compressor {
  position: relative; z-index: 2;
  max-width: 900px;
  object-fit: contain;
  display: block; margin: 0 auto -70px;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,.35));
}

/* Badges */
.hero-badge {
  position: absolute; z-index: 4;
  background: var(--white); border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,.11);
  display: flex; align-items: center; gap: 10px;
}
.hero-badge--factory { top: 28px; right: 0; padding: 12px 16px; }
.hero-badge__icon {
  width: 38px; height: 38px; border-radius: 8px;
  background: var(--yellow-lt); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--yellow2);
}
.hero-badge__title { font-size: 12px; font-weight: 700; color: var(--dark); line-height: 1.3; white-space: nowrap; }
.hero-badge__sub   { font-size: 11px; color: var(--gray); margin-top: 2px; }
.hero-badge--video { bottom: 47%; right: -8px; padding: 10px 16px; }
.hero-badge__play {
  width: 30px; height: 30px; border-radius: 50%;
  border: 1.5px solid var(--border); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--dark); padding-left: 2px;
}

/* ══════════════════════════════════════════════════════════
   STATS BAR
══════════════════════════════════════════════════════════ */
.stats-bar {
  background: transparent;
  padding: 0 0 48px;
  position: relative;
  z-index: 10;
  margin-top: -24px;
}
.stats-bar-inner {
  display: flex; align-items: stretch;
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 4px 32px rgba(0,0,0,.12);
  overflow: hidden;
}
.stat-item {
  flex: 1; display: flex; align-items: center; gap: 14px;
  padding: 22px 20px; border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }
.stat-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--yellow2);
}
.stat-icon img { width: 100%; height: 100%; object-fit: contain; }
.stat-val {
  font-size: 17px; font-weight: 900; color: var(--dark); line-height: 1.1;
  white-space: nowrap;
}
.stat-plus { font-size: 14px; font-weight: 700; }
.stat-lbl { font-size: 12px; color: var(--text-sm); line-height: 1.35; margin-top: 2px; }

/* ══════════════════════════════════════════════════════════
   PATH SECTION  "Выберите свой путь"
══════════════════════════════════════════════════════════ */
.path-section { padding: 64px 0 80px; background: var(--white); }
.section-header-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 32px;
}
.section-title { font-size: clamp(22px, 2.5vw, 32px); font-weight: 800; margin: 0; }
.section-link {
  font-size: 14px; font-weight: 600; color: var(--text-sm); white-space: nowrap;
  display: flex; align-items: center; gap: 4px; transition: color .15s;
}
.section-link:hover { color: var(--yellow2); }

.path-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.path-card {
  display: flex; flex-direction: column;
  background: var(--white); border: 1.5px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden;
  transition: border-color .2s, box-shadow .2s, transform .2s;
  text-decoration: none; color: inherit;
}
.path-card:hover {
  border-color: transparent; box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.path-card.featured { border-color: var(--yellow); border-width: 2px; }
.path-card.featured:hover { border-color: var(--yellow); box-shadow: 0 6px 32px rgba(245,197,24,.3); }
.path-card-body { padding: 22px 20px 18px; flex: 1; display: flex; flex-direction: column; }
.path-card-body h3 { font-size: 16px; font-weight: 800; margin-bottom: 8px; line-height: 1.25; }
.path-card-body p  { font-size: 13px; color: var(--text-sm); line-height: 1.55; flex: 1; margin-bottom: 16px; }
.path-card-arrow {
  width: 32px; height: 32px; border-radius: 50%;
  border: 1.5px solid var(--border); display: flex;
  align-items: center; justify-content: center;
  font-size: 16px; color: var(--dark); transition: all .2s;
  flex-shrink: 0;
}
.path-card:hover .path-card-arrow, .path-card.featured .path-card-arrow {
  background: var(--yellow); border-color: var(--yellow);
}
.path-card-img {
  height: 160px; overflow: hidden;
  background: #1a1a1a;
  display: flex; align-items: center; justify-content: center;
  font-size: 52px; color: #BDBDBD; position: relative;
}
.path-card-img img {
  width: 100%; height: 100%; object-fit: cover;
  display: block; transition: transform .35s;
}
.path-card:hover .path-card-img img { transform: scale(1.05); }

/* ══════════════════════════════════════════════════════════
   CLIENTS  "Нам доверяют"
══════════════════════════════════════════════════════════ */
.clients-section {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--white);
}
.clients-top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 28px;
}
.clients-top h2 { font-size: 18px; font-weight: 800; margin: 0; color: var(--dark); }
.clients-logos {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: nowrap;
}
.client-logo {
  opacity: .35; filter: grayscale(1); transition: opacity .25s, filter .25s;
  cursor: default; display: flex; align-items: center; flex-shrink: 0;
}
.client-logo:hover { opacity: .7; filter: grayscale(.2); }
.client-logo img { display: block; }
.client-logo-text {
  font-size: 14px; font-weight: 800; text-transform: uppercase;
  letter-spacing: -.3px; color: var(--dark); line-height: 1.1;
}
.client-logo-text small {
  display: block; font-size: 9px; font-weight: 500;
  letter-spacing: .3px; text-transform: none;
}
.cl-text {
  font-size: 13px; font-weight: 800; color: var(--dark);
  letter-spacing: -.2px; line-height: 1; white-space: nowrap;
}
.cl-text--caps { text-transform: uppercase; }
.cl-text--wide { letter-spacing: .8px; }
.clients-title { font-size: 18px; font-weight: 800; margin: 0; }
.cta-btn { white-space: nowrap; }
.cta-form-row { display: flex; gap: 10px; align-items: stretch; flex-wrap: wrap; }
.cta-form-row .cta-input { flex: 1 1 160px; min-width: 0; }
.video-poster-img { width: 100%; height: 100%; object-fit: cover; display: block; position: absolute; inset: 0; }

/* ══════════════════════════════════════════════════════════
   ABOUT / VIDEO
══════════════════════════════════════════════════════════ */
.about-section { padding: 80px 0; background: var(--gray-lt); }
.about-inner {
  display: grid; grid-template-columns: 9fr 11fr; gap: 56px; align-items: center;
}
.video-block {
  position: relative; border-radius: 12px; overflow: hidden;
  aspect-ratio: 4/3; background: var(--dark); cursor: pointer;
}
.video-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(155deg, #0D1117 0%, #1C2B1C 40%, #0A1520 80%, #0D1117 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 56px; color: rgba(255,255,255,.07);
}
.video-play-btn {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center; gap: 0;
}
.video-play-circle {
  width: 64px; height: 64px; border-radius: 50%;
  background: rgba(255,255,255,.96); display: flex;
  align-items: center; justify-content: center;
  font-size: 22px; color: var(--dark); padding-left: 5px;
  box-shadow: 0 6px 32px rgba(0,0,0,.4);
  transition: transform .2s, background .2s;
}
.video-block:hover .video-play-circle { transform: scale(1.1); background: var(--yellow); }
.video-caption {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 14px 18px;
  background: linear-gradient(transparent, rgba(0,0,0,.72));
  color: rgba(255,255,255,.85); font-size: 13px; font-weight: 500;
  text-align: center;
}
.about-content h2 {
  font-size: clamp(22px, 2.4vw, 32px); font-weight: 900; margin-bottom: 14px;
}
.about-content > p {
  font-size: 15px; color: var(--text-sm); line-height: 1.75; margin-bottom: 28px;
}
.about-features {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-bottom: 32px;
}
.about-feature { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; }
.about-feature .af-icon {
  width: 48px; height: 48px; background: var(--yellow-lt); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--yellow2); flex-shrink: 0;
}
.about-feature span { font-size: 11px; color: var(--text-sm); line-height: 1.4; text-align: center; font-weight: 500; }

/* ══════════════════════════════════════════════════════════
   CTA FORM SECTION
══════════════════════════════════════════════════════════ */
.cta-section { padding: 48px 0; background: var(--yellow-bg); }
.cta-inner {
  display: grid; grid-template-columns: 4fr 8fr; gap: 40px; align-items: center;
}
.cta-lead {
  display: flex; align-items: flex-start; gap: 16px;
}
.cta-lead-icon {
  width: 56px; height: 56px; background: rgba(0,0,0,.14); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--dark); flex-shrink: 0; margin-top: 4px;
}
.cta-text h2 {
  font-size: clamp(18px, 1.8vw, 24px); font-weight: 900; color: var(--dark); margin-bottom: 6px;
  line-height: 1.2;
}
.cta-text p { font-size: 13px; color: rgba(0,0,0,.55); margin: 0; line-height: 1.55; }
.cta-form-row {
  display: grid; grid-template-columns: 1fr 1fr 1fr 1fr auto; gap: 10px; align-items: stretch;
}
.cta-input {
  display: block; padding: 13px 14px; border-radius: var(--radius);
  border: 1.5px solid rgba(0,0,0,.12); background: var(--white);
  font-size: 13px; color: var(--text); width: 100%;
  transition: border-color .15s; outline: none;
}
.cta-input:focus { border-color: rgba(0,0,0,.4); }
.cta-input::placeholder { color: #999; }
.cta-privacy {
  font-size: 11px; color: rgba(0,0,0,.4); margin-top: 10px;
}
.cta-privacy a { color: rgba(0,0,0,.55); text-decoration: underline; }
.form-success { display: none; font-weight: 700; color: var(--dark); margin-top: 10px; }

/* ══════════════════════════════════════════════════════════
   BUTTONS
══════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radius);
  font-size: 15px; font-weight: 700; cursor: pointer;
  border: 2px solid transparent; transition: all .2s;
  text-decoration: none; white-space: nowrap; line-height: 1;
}
.btn-primary {
  background: var(--yellow); color: var(--dark); border-color: var(--yellow);
}
.btn-primary:hover { background: var(--yellow2); border-color: var(--yellow2); color: var(--dark); }
.btn-outline {
  background: transparent; color: var(--dark); border-color: rgba(0,0,0,.25);
}
.btn-outline:hover { border-color: var(--dark); background: rgba(0,0,0,.04); }
.btn-outline-white {
  background: transparent; color: var(--white); border-color: rgba(255,255,255,.4);
}
.btn-outline-white:hover { border-color: var(--white); background: rgba(255,255,255,.08); }
.btn-dark { background: var(--dark); color: var(--white); border-color: var(--dark); }
.btn-dark:hover { background: #2A2A2A; }
.btn-sm  { padding: 9px 16px; font-size: 13px; }
.btn-lg  { padding: 15px 28px; font-size: 16px; }

/* ══════════════════════════════════════════════════════════
   SECTIONS  (generic)
══════════════════════════════════════════════════════════ */
.section     { padding: 72px 0; }
.section-alt { background: var(--gray-lt); }
.section-dark { background: var(--dark); color: var(--white); }
.section-header { margin-bottom: 40px; }
.section-sub { color: var(--text-sm); font-size: 16px; margin-bottom: 36px; line-height: 1.65; }

/* ══════════════════════════════════════════════════════════
   GRIDS & CARDS
══════════════════════════════════════════════════════════ */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }

.card {
  background: var(--white); border: 1.5px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden; transition: all .25s;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: transparent; }

/* Product card */
.product-card {
  display: flex; flex-direction: column;
  text-decoration: none; color: inherit;
}
.product-card .card-img {
  background: var(--gray-lt); height: 200px;
  display: flex; align-items: center; justify-content: center;
  color: var(--gray); font-size: 52px;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.product-card .card-img img {
  width: 100%; height: 100%; object-fit: contain;
}
.product-card .card-body {
  padding: 20px; flex: 1; display: flex; flex-direction: column;
}
.product-card .card-cat {
  font-size: 11px; color: var(--gray); text-transform: uppercase;
  letter-spacing: 1px; margin-bottom: 6px; font-weight: 600;
}
.product-card .card-name  { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.product-card .card-desc  { font-size: 13px; color: var(--text-sm); flex: 1; margin-bottom: 14px; line-height: 1.5; }
.product-card .card-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; border-top: 1px solid var(--border);
}
.product-card .article { font-size: 11px; color: var(--gray); font-family: monospace; }

/* Category card */
.cat-card {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 18px; background: var(--white);
  border: 1.5px solid var(--border); border-radius: var(--radius-md);
  transition: all .2s; text-decoration: none; color: inherit;
}
.cat-card:hover { border-color: var(--yellow); box-shadow: var(--shadow); }
.cat-card .cat-icon {
  width: 44px; height: 44px; min-width: 44px; border-radius: 8px;
  background: var(--yellow-lt); display: flex; align-items: center;
  justify-content: center; font-size: 20px;
}
.cat-card .cat-name { font-weight: 600; font-size: 14px; margin-bottom: 2px; }
.cat-card .cat-desc { font-size: 12px; color: var(--text-sm); }
.cat-card .cat-arrow { margin-left: auto; color: var(--gray-mid); font-size: 16px; }

/* Industry card */
.industry-card {
  display: block; background: var(--dark); color: var(--white);
  border-radius: var(--radius-md); padding: 26px 22px;
  position: relative; overflow: hidden; transition: background .2s;
  text-decoration: none;
}
.industry-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px; background: var(--yellow);
  transform: scaleX(0); transition: transform .25s;
}
.industry-card:hover { background: #1C1C1C; color: var(--white); }
.industry-card:hover::after { transform: scaleX(1); }
.industry-card .ind-icon { font-size: 34px; margin-bottom: 14px; }
.industry-card .ind-name { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.industry-card .ind-desc { font-size: 13px; color: rgba(255,255,255,.5); line-height: 1.45; }

/* Case card */
.case-card {
  display: block; background: var(--white); border: 1.5px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden;
  transition: all .25s; text-decoration: none; color: inherit;
}
.case-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: transparent; }
.case-card .case-img {
  height: 200px; background: #1A1A1A;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.15); font-size: 48px; position: relative; overflow: hidden;
}
.case-card .case-img img { width: 100%; height: 100%; object-fit: cover; }
.case-img-label {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 10px 14px;
  background: linear-gradient(transparent, rgba(0,0,0,.75));
  color: rgba(255,255,255,.85); font-size: 11px; font-weight: 700;
  letter-spacing: .8px; text-transform: uppercase;
}
.case-card .case-body  { padding: 18px 20px; }
.case-card .case-tag {
  display: inline-block; background: var(--yellow-lt); color: var(--yellow2);
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1px; padding: 3px 10px; border-radius: 20px; margin-bottom: 10px;
}
.case-card .case-title { font-size: 15px; font-weight: 700; margin-bottom: 8px; line-height: 1.3; }
.case-card .case-meta  { font-size: 12px; color: var(--gray); margin-bottom: 12px; }
.case-card .case-result {
  display: flex; gap: 20px; padding-top: 12px; border-top: 1px solid var(--border);
}
.case-card .res-num { font-size: 20px; font-weight: 900; color: var(--yellow2); line-height: 1.1; }
.case-card .res-lbl { font-size: 11px; color: var(--gray); margin-top: 2px; }

/* Service card */
.service-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.service-card {
  background: var(--white); border: 1.5px solid var(--border);
  border-radius: var(--radius-md); padding: 26px 22px; transition: all .25s;
}
.service-card:hover { box-shadow: var(--shadow-md); border-color: var(--yellow); }
.service-card .svc-icon {
  width: 50px; height: 50px; background: var(--yellow-lt); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 16px;
}
.service-card h3 { font-size: 16px; margin-bottom: 8px; }
.service-card p  { font-size: 13px; color: var(--text-sm); margin: 0; line-height: 1.55; }

/* Mini configurator */
.mini-config {
  background: var(--dark); border-radius: 12px; padding: 36px 40px; color: var(--white);
}
.mini-config h2 { font-size: 24px; font-weight: 800; margin-bottom: 6px; }
.mini-config .sub { color: rgba(255,255,255,.5); font-size: 14px; margin-bottom: 28px; }
.config-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.config-form label {
  display: block; font-size: 12px; color: rgba(255,255,255,.55);
  margin-bottom: 6px; font-weight: 500;
}
.config-form select,
.config-form input[type=number] {
  width: 100%; padding: 11px 14px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius); color: var(--white); font-size: 14px;
}
.config-form select option { background: #1A1A1A; }
.config-form .full { grid-column: 1 / -1; }

/* ══════════════════════════════════════════════════════════
   FORMS
══════════════════════════════════════════════════════════ */
.form-group { margin-bottom: 18px; }
.form-label  { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.form-control {
  width: 100%; padding: 11px 14px;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  font-size: 14px; color: var(--text); background: var(--white);
  transition: border-color .15s;
}
.form-control:focus { outline: none; border-color: var(--yellow); }
textarea.form-control { resize: vertical; min-height: 96px; }
.form-row  { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-hint { font-size: 11px; color: var(--gray); margin-top: 4px; }

/* ══════════════════════════════════════════════════════════
   PAGE HERO
══════════════════════════════════════════════════════════ */
.page-hero { background: var(--dark); padding: 44px 0; color: var(--white); }
.page-hero h1 { font-size: clamp(24px, 3vw, 40px); font-weight: 800; margin-bottom: 10px; }
.page-hero p  { color: rgba(255,255,255,.6); font-size: 16px; margin: 0; }
.breadcrumbs {
  padding: 12px 0; font-size: 13px; color: var(--gray);
  border-bottom: 1px solid var(--border);
}
.breadcrumbs a { color: var(--gray); }
.breadcrumbs a:hover { color: var(--yellow2); }
.breadcrumbs span { margin: 0 6px; }

/* ══════════════════════════════════════════════════════════
   CATALOG / FILTER
══════════════════════════════════════════════════════════ */
.filter-bar {
  display: flex; gap: 12px; flex-wrap: wrap; align-items: center;
  padding: 16px 0; border-bottom: 1px solid var(--border); margin-bottom: 24px;
}
.filter-bar label { font-size: 13px; font-weight: 500; color: var(--text-sm); }
.filter-bar select {
  padding: 8px 12px; border: 1.5px solid var(--border); border-radius: var(--radius);
  font-size: 13px; color: var(--text); background: var(--white);
}
.filter-bar select:focus { outline: none; border-color: var(--yellow); }

/* ══════════════════════════════════════════════════════════
   PRODUCT PAGE
══════════════════════════════════════════════════════════ */
.product-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.product-gallery {
  background: var(--gray-lt); border-radius: var(--radius-md); aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  font-size: 72px; color: var(--gray); border: 1.5px solid var(--border);
  overflow: hidden;
}
.product-gallery img {
  width: 100%; height: 100%; object-fit: contain; padding: 24px;
}
.product-meta .article-badge {
  display: inline-block; font-family: monospace; font-size: 12px;
  background: var(--gray-lt); color: var(--gray); padding: 4px 10px;
  border-radius: 4px; margin-bottom: 12px; border: 1px solid var(--border);
}
.product-meta h1 { font-size: clamp(20px, 2.2vw, 28px); margin-bottom: 12px; }
.product-meta .desc { font-size: 15px; color: var(--text-sm); margin-bottom: 24px; line-height: 1.7; }
.product-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.specs-table { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
.specs-table tr { border-bottom: 1px solid var(--border); }
.specs-table tr:last-child { border-bottom: none; }
.specs-table td { padding: 9px 0; font-size: 14px; }
.specs-table td:first-child { color: var(--text-sm); width: 55%; }
.specs-table td:last-child  { font-weight: 600; text-align: right; }

/* ══════════════════════════════════════════════════════════
   TABS
══════════════════════════════════════════════════════════ */
.tabs { border-bottom: 2px solid var(--border); margin-bottom: 24px; display: flex; }
.tab-btn {
  padding: 12px 20px; border: none; background: none; cursor: pointer;
  font-size: 14px; font-weight: 500; color: var(--gray);
  border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all .2s;
}
.tab-btn.active { color: var(--dark); border-bottom-color: var(--yellow); font-weight: 700; }
.tab-btn:hover  { color: var(--dark); }
.tab-panel       { display: none; }
.tab-panel.active { display: block; }

/* ══════════════════════════════════════════════════════════
   CONFIGURATOR
══════════════════════════════════════════════════════════ */
.configurator-wrap { max-width: 960px; margin: 0 auto; }
.config-steps { display: flex; margin-bottom: 36px; }
.config-step  { flex: 1; text-align: center; position: relative; }
.config-step::after {
  content: ''; position: absolute; top: 18px; left: 50%; right: -50%;
  height: 2px; background: var(--border);
}
.config-step:last-child::after { display: none; }
.step-num {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--border); color: var(--gray);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; margin: 0 auto 6px;
  position: relative; z-index: 1; transition: all .3s;
}
.config-step.active .step-num { background: var(--yellow); color: var(--dark); }
.config-step.done   .step-num { background: var(--dark);   color: var(--white); }
.step-lbl { font-size: 12px; color: var(--gray); }
.config-step.active .step-lbl { color: var(--text); font-weight: 600; }
.config-panel {
  background: var(--white); border: 1.5px solid var(--border);
  border-radius: 12px; padding: 36px;
}
.config-options {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-bottom: 24px;
}
.config-option {
  border: 2px solid var(--border); border-radius: var(--radius-md); padding: 18px;
  cursor: pointer; transition: all .2s; text-align: center;
}
.config-option:hover    { border-color: var(--yellow); }
.config-option.selected { border-color: var(--yellow); background: var(--yellow-lt); }
.config-option .opt-icon { font-size: 28px; margin-bottom: 8px; }
.config-option .opt-name { font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.config-option .opt-desc { font-size: 12px; color: var(--text-sm); }
.config-result { background: var(--gray-lt); border-radius: var(--radius-md); padding: 20px; margin-bottom: 20px; }
.result-products { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 20px; }
.result-product {
  background: var(--white); border: 1.5px solid var(--border);
  border-radius: var(--radius-md); padding: 14px;
}
.result-product h4 { font-size: 14px; margin-bottom: 4px; }
.result-product p  { font-size: 12px; color: var(--text-sm); margin: 0; }

/* ══════════════════════════════════════════════════════════
   FAQ
══════════════════════════════════════════════════════════ */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item { border: 1.5px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.faq-q {
  padding: 16px 20px; display: flex; justify-content: space-between; align-items: center;
  cursor: pointer; font-weight: 600; font-size: 14px;
  background: var(--white); transition: background .15s;
}
.faq-q:hover { background: var(--gray-lt); }
.faq-q .arrow { font-size: 18px; transition: transform .3s; color: var(--gray-mid); flex-shrink: 0; }
.faq-item.open .faq-q .arrow { transform: rotate(45deg); color: var(--yellow2); }
.faq-a {
  padding: 0 20px; max-height: 0; overflow: hidden; transition: all .3s;
  font-size: 14px; color: var(--text-sm); line-height: 1.7;
}
.faq-item.open .faq-a { padding: 0 20px 16px; max-height: 300px; }

/* Tags / Badges */
.tag { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; letter-spacing: .3px; }
.tag-yellow { background: var(--yellow-lt); color: var(--yellow2); }
.tag-dark   { background: rgba(17,17,17,.08); color: var(--dark); }

/* Alerts */
.alert         { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: 14px; }
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
.alert-error   { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

/* Search */
.search-bar { display: flex; gap: 8px; max-width: 480px; }
.search-bar input {
  flex: 1; padding: 10px 14px; border: 1.5px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.08); border-radius: var(--radius);
  color: var(--white); font-size: 14px;
}
.search-bar input::placeholder { color: rgba(255,255,255,.4); }
.search-bar input:focus { outline: none; border-color: var(--yellow); }
.search-bar button {
  padding: 10px 14px; background: var(--yellow); border: none;
  border-radius: var(--radius); color: var(--dark); cursor: pointer; font-size: 16px;
}

/* ══════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════ */
.site-footer {
  background: #111; color: rgba(255,255,255,.6);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 48px;
}
.site-footer .logo-name { color: var(--white); font-size: 14px; }
.site-footer .logo-sub  { color: rgba(255,255,255,.45); }
.footer-brand p { font-size: 13px; color: rgba(255,255,255,.4); line-height: 1.7; margin-top: 14px; }
.footer-col h4 {
  color: var(--white); font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase;
  margin-bottom: 14px; font-weight: 700;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a  { color: rgba(255,255,255,.5); font-size: 13px; transition: color .15s; }
.footer-col ul a:hover { color: var(--yellow); }
.footer-contacts .fc-phone {
  display: block; font-size: 20px; font-weight: 900; color: var(--white);
  margin-bottom: 3px; line-height: 1.2;
}
.footer-contacts .fc-phone:hover { color: var(--yellow); }
.footer-contacts .fc-free  { font-size: 11px; color: rgba(255,255,255,.35); }
.footer-contacts .fc-email {
  display: block; margin-top: 10px; font-size: 13px; color: rgba(255,255,255,.5);
  transition: color .15s;
}
.footer-contacts .fc-email:hover { color: var(--yellow); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: rgba(255,255,255,.35);
}
.footer-bottom a { color: rgba(255,255,255,.35); }
.footer-bottom a:hover { color: var(--yellow); }

/* Sticky CTA */
.sticky-cta {
  position: fixed; bottom: 80px; right: 18px; z-index: 900;
  display: flex; flex-direction: column; gap: 10px;
}
.sticky-cta a {
  width: 50px; height: 50px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; box-shadow: 0 4px 16px rgba(0,0,0,.2);
  transition: transform .2s;
}
.sticky-cta a:hover { transform: scale(1.1); }
.sticky-cta .btn-phone { background: var(--yellow); }
.sticky-cta .btn-calc  { background: var(--dark); }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════ */
@media (max-width: 1200px) {
  .main-nav > a,
  .main-nav > .nav-dropdown > a { font-size: 13px; padding: 8px 9px; }
  .header-phone { display: none; }
}

@media (max-width: 1024px) {
  .grid-4       { grid-template-columns: repeat(2,1fr); }
  .path-grid    { grid-template-columns: repeat(2,1fr); }
  .footer-grid  { grid-template-columns: 1fr 1fr 1fr; }
  .about-inner  { grid-template-columns: 1fr; gap: 32px; }
  .cta-inner    { grid-template-columns: 1fr; gap: 24px; }
  .cta-form-row { grid-template-columns: 1fr 1fr 1fr; }
  .about-features { grid-template-columns: repeat(5,1fr); }
  .clients-logos { flex-wrap: wrap; gap: 24px; }
}

@media (max-width: 860px) {
  .hero-inner   { grid-template-columns: 1fr; }
  .hero-image   { min-height: 0; margin: 28px 0; padding-bottom: 0; }
  .hero-compressor { width: 100%; max-width: 546px; }
  .hero-badge   { display: none; }
  .hero-content { padding: 56px 0 0; }
  .hero-h1 { color: var(--dark); }
}

@media (max-width: 768px) {
  .main-nav                        { display: none; }
  .header-right .btn-engineer      { display: none; }
  .header-right .header-search-btn { display: none; }
  .header-right { margin-left: auto; }
  .nav-toggle  { display: flex; }
  .bottom-nav  { display: block; }
  .sticky-cta  { bottom: 70px; }

  .grid-2, .grid-3, .form-row { grid-template-columns: 1fr; }
  .config-options { grid-template-columns: 1fr 1fr; }
  .service-grid   { grid-template-columns: 1fr; }
  .product-layout { grid-template-columns: 1fr; }
  .cta-form-row   { grid-template-columns: 1fr; }
  .result-products { grid-template-columns: 1fr; }
  .about-features { grid-template-columns: repeat(3,1fr); }
  .tabs { overflow-x: auto; }

  /* Mobile hero */
  .hero {
    background-image: url('/assets/img/hero-bg.jpg');
    background-size: cover; background-position: 88% center;
  }
  .hero-content {
    padding: 20px 24px 24px; margin: 20px -24px 0;
    background: rgba(255,255,255,.92); border-radius: 12px;
  }

  /* Mobile stats — 2×2 */
  .stats-bar { padding: 0 0 24px; margin-top: -12px; }
  .stats-bar-inner { flex-wrap: wrap; border-radius: 10px; }
  .stat-item { flex: 0 0 50%; border-bottom: 1px solid var(--border); }
  .stat-item:nth-child(2n) { border-right: none; }
  .stat-item:nth-last-child(-n+2) { border-bottom: none; }

  /* Mobile path — vertical */
  .path-grid { grid-template-columns: 1fr; }
  .path-card  { flex-direction: row; min-height: 100px; }
  .path-card-body { flex: 1; padding: 16px; }
  .path-card-body h3 { font-size: 14px; margin-bottom: 4px; }
  .path-card-body p  { font-size: 12px; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .path-card-img { width: 100px; min-width: 100px; height: auto; border-top: none; border-left: 1px solid var(--border); }

  /* Mobile clients */
  .clients-logos { gap: 24px; }

  /* Mobile about */
  .about-features { grid-template-columns: repeat(3,1fr); }

  /* Mobile footer */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }

  /* Section padding */
  .path-section  { padding: 48px 0; }
  .about-section { padding: 48px 0; }
  .cta-section   { padding: 40px 0; }
  .section       { padding: 48px 0; }

  /* Body padding for fixed bottom nav */
  body { padding-bottom: 60px; }
}

/* ============================================================
   VISUAL POLISH — responsive hardening and final UI pass
   ============================================================ */
html, body { max-width: 100%; overflow-x: clip; }

:focus-visible {
  outline: 3px solid rgba(245,197,24,.55);
  outline-offset: 3px;
}

.btn, .btn-engineer, .cta-input, .form-control {
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease,
              background-color .18s ease, color .18s ease;
}
.btn:hover, .btn-engineer:hover { transform: translateY(-1px); }
.btn:active, .btn-engineer:active { transform: translateY(0); }

@media (max-width: 768px) {
  .container, .container-sm { padding-left: 20px; padding-right: 20px; }
  .header-inner { height: 68px; }
  .logo { margin-right: 0; min-width: 0; }
  .logo-icon-img { width: 40px; height: 40px; }
  .logo-name-stack { font-size: 10px; }
  .drawer-panel { width: min(340px, 90vw); }

  .hero { padding-bottom: 0; background-position: 68% center; }
  .hero-inner { min-height: auto; }
  .hero-content {
    width: auto; min-width: 0;
    margin: 18px -20px 0;
    padding: 22px 20px 28px;
    border-radius: 0;
    background: linear-gradient(90deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.94) 76%, rgba(255,255,255,.68) 100%);
  }
  .hero-label {
    max-width: 100%; margin-bottom: 18px;
    font-size: 10px; line-height: 1.55; letter-spacing: 1.8px;
  }
  .hero-h1 {
    max-width: 100%; margin-bottom: 20px;
    font-size: clamp(25px, 7.35vw, 30px);
    line-height: 1.02; letter-spacing: -.65px;
    overflow-wrap: anywhere;
  }
  .hero-sub { max-width: 100%; margin-bottom: 28px; font-size: 14px; line-height: 1.65; }
  .hero-btns { display: grid; grid-template-columns: 1fr; gap: 10px; }
  .hero-btns .btn { width: 100%; min-height: 50px; justify-content: center; text-align: center; }
  .hero-image { margin: 0 -20px; min-height: 245px; align-items: flex-end; overflow: hidden; }
  .hero-compressor { width: 108%; max-width: none; margin: 0 -4% -28px; }

  .stats-bar { margin-top: 0; padding: 18px 0 28px; background: var(--gray-lt); }
  .stats-bar-inner { box-shadow: none; border: 1px solid var(--border); }
  .stat-item { min-width: 0; padding: 16px 12px; gap: 10px; }
  .stat-icon { width: 38px; height: 38px; }
  .stat-val { font-size: 14px; white-space: normal; }
  .stat-lbl { font-size: 10px; }

  .section-header-row { align-items: flex-end; gap: 12px; margin-bottom: 24px; }
  .section-title { font-size: 25px; }
  .section-link { font-size: 12px; }
  .path-card { min-width: 0; border-radius: 10px; }
  .path-card-body { min-width: 0; }

  .clients-logos {
    display: grid; grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 22px 18px;
  }
  .client-logo { min-width: 0; justify-content: center; }
  .client-logo img { max-height: 34px; width: auto; max-width: 100%; }

  .about-inner { gap: 28px; }
  .about-content h2 { font-size: 27px; }
  .about-features { grid-template-columns: 1fr; gap: 10px; }
  .about-feature { min-width: 0; }

  .cta-inner { gap: 28px; }
  .cta-lead { align-items: flex-start; }
  .cta-text h2 { font-size: 27px; }
  .cta-form-row { display: grid; grid-template-columns: 1fr; }
  .cta-input, .form-control { width: 100%; min-width: 0; }
  .cta-btn { width: 100%; justify-content: center; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 12px; }
  .sticky-cta { display: none; }
}

@media (max-width: 420px) {
  .hero-h1 { font-size: 22px; line-height: 1.06; letter-spacing: -.55px; }
  .hero-h1__light { font-weight: 650; }
  .hero-label { letter-spacing: 1.55px; }
  .stat-item { flex-basis: 100%; border-right: 0; }
  .stat-item:nth-last-child(-n+2) { border-bottom: 1px solid var(--border); }
  .stat-item:last-child { border-bottom: 0; }
  .config-options { grid-template-columns: 1fr; }
  .bottom-nav { height: 64px; }
  body { padding-bottom: 64px; }
}

/* Premium catalog landing */
.catalog-hero{position:relative;overflow:hidden;background:#0d0f10;color:#fff;min-height:520px;padding:72px 0 60px}.catalog-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 72% 45%,rgba(255,193,7,.13),transparent 32%),linear-gradient(115deg,transparent 0 49%,rgba(255,255,255,.035) 49.2% 49.4%,transparent 49.6%)}
.catalog-hero__inner{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:56px}.catalog-hero__copy{min-width:0}.catalog-kicker{display:flex;align-items:center;gap:10px;color:#ffca05;font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.catalog-kicker span{width:26px;height:2px;background:currentColor}.catalog-hero h1{max-width:650px;margin:20px 0 22px;font-size:clamp(42px,4.05vw,60px);line-height:1.01;letter-spacing:-.045em;overflow-wrap:normal}.catalog-hero__copy>p{max-width:620px;color:#b8bdc1;font-size:18px;line-height:1.65}.catalog-hero__facts{display:flex;gap:46px;margin-top:38px}.catalog-hero__facts div{display:flex;flex-direction:column}.catalog-hero__facts strong{font-size:29px;color:#ffca05}.catalog-hero__facts span{color:#8d9398;font-size:12px;text-transform:uppercase;letter-spacing:.08em}
.catalog-hero__visual{position:relative;height:390px}.catalog-hero__visual:after{content:"";position:absolute;width:82%;height:18%;left:9%;bottom:2%;background:radial-gradient(ellipse,rgba(0,0,0,.75),transparent 68%);filter:blur(12px)}.catalog-machine,.catalog-tile__media{background-image:url('../img/catalog/chkz-catalog-equipment-v1.png');background-repeat:no-repeat}.catalog-machine{position:absolute;inset:-18% -22% -15% -17%;background-size:200% 200%;z-index:1}.catalog-machine--compressor{background-position:0 0}.catalog-machine--station{background-position:100% 0}.catalog-machine--vessel{background-position:0 100%}.catalog-machine--control{background-position:100% 100%}.catalog-hero__plate{position:absolute;right:0;bottom:22px;z-index:2;background:#ffca05;color:#111;padding:15px 20px;box-shadow:0 14px 40px rgba(0,0,0,.25)}.catalog-hero__plate span{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.14em}.catalog-hero__plate strong{font-size:24px}
.catalog-showcase{padding:76px 0 90px;background:#f4f5f5}.catalog-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:34px}.catalog-heading h2{margin:12px 0 0;font-size:40px;letter-spacing:-.035em}.catalog-heading>p{max-width:460px;color:#687077;line-height:1.6}.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.catalog-tile{position:relative;min-height:355px;overflow:hidden;background:#e8eaeb;color:#fff;text-decoration:none!important;isolation:isolate}.catalog-tile--featured{grid-column:span 2}.catalog-tile__media{position:absolute;inset:0;background-size:200% 200%;transition:transform .55s cubic-bezier(.2,.7,.2,1);z-index:-3}.catalog-tile__shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,13,.34) 0%,rgba(10,12,13,.1) 32%,rgba(10,12,13,.92) 100%);z-index:-2;transition:opacity .35s}.catalog-tile:after{content:"";position:absolute;inset:0;border:1px solid rgba(0,0,0,.08);z-index:2;pointer-events:none}.catalog-tile__content{height:100%;min-height:355px;padding:24px;display:grid;grid-template-columns:1fr auto;grid-template-rows:auto 1fr;position:relative}.catalog-tile__number{font-size:11px;font-weight:800;letter-spacing:.15em;color:#151719;background:#ffca05;padding:7px 9px;width:max-content}.catalog-tile__body{align-self:end;max-width:90%;text-shadow:0 1px 8px rgba(0,0,0,.3)}.catalog-tile h3{font-size:24px;line-height:1.1;margin:0 0 10px;letter-spacing:-.025em}.catalog-tile p{font-size:13px;line-height:1.5;color:#eef0f1;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.catalog-tile__meta{display:flex;gap:8px;margin-top:14px}.catalog-tile__meta span{border:1px solid rgba(255,255,255,.3);background:rgba(0,0,0,.15);padding:5px 8px;font-size:10px;color:#fff;text-transform:uppercase;letter-spacing:.06em}.catalog-tile__arrow{align-self:end;font-size:24px;width:42px;height:42px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.35);transition:.3s}.catalog-tile:hover .catalog-tile__media{transform:scale(1.045)}.catalog-tile:hover .catalog-tile__arrow{background:#ffca05;color:#111;border-color:#ffca05}.catalog-tile:hover .catalog-tile__shade{opacity:.97}
.catalog-help{background:#191c1e;color:#fff;padding:58px 0}.catalog-help__inner{display:flex;align-items:center;justify-content:space-between;gap:60px}.catalog-help h2{font-size:36px;margin:13px 0 10px}.catalog-help p{max-width:720px;color:#aeb3b7;line-height:1.6}.catalog-kicker--light{color:#ffca05}
@media(max-width:900px){.catalog-hero{padding:52px 0}.catalog-hero__inner{grid-template-columns:1fr}.catalog-hero__visual{height:300px}.catalog-grid{grid-template-columns:repeat(2,1fr)}.catalog-tile--featured{grid-column:span 1}.catalog-heading{align-items:start;flex-direction:column}.catalog-help__inner{align-items:flex-start;flex-direction:column}}
@media(max-width:580px){.catalog-hero{min-height:0;padding:38px 0 24px}.catalog-hero__inner{gap:22px}.catalog-hero h1{font-size:35px;line-height:1.04}.catalog-hero__copy>p{font-size:15px;line-height:1.55}.catalog-hero__facts{gap:20px;margin-top:25px}.catalog-hero__facts strong{font-size:24px}.catalog-hero__facts span{font-size:9px}.catalog-hero__visual{height:205px;margin-top:0}.catalog-machine{inset:-18% -32% -18% -28%}.catalog-hero__plate{right:4px;bottom:0;padding:12px 16px}.catalog-showcase{padding:52px 0}.catalog-heading h2{font-size:32px}.catalog-grid{grid-template-columns:1fr;gap:12px}.catalog-tile,.catalog-tile__content{min-height:320px}.catalog-tile h3{font-size:22px}.catalog-help h2{font-size:30px}}

/* Catalog readability and unique category artwork */
.catalog-hero__visual img{position:absolute;z-index:1;width:116%;height:116%;left:-8%;top:-8%;object-fit:contain;filter:drop-shadow(0 28px 24px rgba(0,0,0,.38))}.catalog-hero__visual:after{display:none}
.catalog-grid{align-items:stretch}.catalog-tile,.catalog-tile--featured{display:grid;grid-template-rows:230px 1fr;min-height:470px;background:#fff;color:#151719;border:1px solid #dfe2e3;grid-column:span 1}.catalog-tile__media{position:relative;inset:auto;z-index:auto;background-color:#eceeef;background-size:cover;background-repeat:no-repeat;transition:background-size .45s ease;overflow:hidden}.catalog-tile__media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(0,0,0,.08))}.catalog-tile__media span{position:absolute;z-index:2;left:18px;top:18px;background:#ffca05;color:#111;font-size:11px;font-weight:900;letter-spacing:.14em;padding:8px 10px}.catalog-tile__shade{display:none}.catalog-tile__content{height:auto;min-height:0;padding:23px;display:grid;grid-template-columns:1fr auto;grid-template-rows:1fr;background:#fff}.catalog-tile__body{align-self:start;max-width:none;text-shadow:none}.catalog-tile h3{color:#151719;font-size:21px;margin-bottom:9px}.catalog-tile p{display:-webkit-box;color:#616970;font-size:13px;line-height:1.55;-webkit-line-clamp:3}.catalog-tile__meta{margin-top:15px}.catalog-tile__meta span{color:#626a70;background:#f3f4f4;border-color:#e2e4e5}.catalog-tile__arrow{align-self:end;color:#151719;border-color:#cfd3d5}.catalog-tile:hover .catalog-tile__media{transform:none;background-size:107%}.catalog-tile:hover .catalog-tile__arrow{background:#ffca05;border-color:#ffca05}.catalog-tile:after{border:0}
@media(min-width:901px){.catalog-tile:nth-child(8),.catalog-tile:nth-child(9){grid-column:span 1}.catalog-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:580px){.catalog-hero__visual img{width:112%;height:112%;left:-6%;top:-6%}.catalog-tile,.catalog-tile--featured{grid-template-rows:215px 1fr;min-height:430px}.catalog-tile__content{min-height:0}.catalog-tile__media{background-size:cover}.catalog-tile:hover .catalog-tile__media{background-size:cover}}