/* ============================================================
   ПАЛЫЧ — INDUSTRIAL PREMIUM CSS
   ============================================================ */

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --red: #E31E24;
  --red-dark: #B8181D;
  --red-glow: rgba(227, 30, 36, 0.25);
  --bg: #0D0D0D;
  --bg-2: #111111;
  --bg-3: #161616;
  --bg-4: #1A1A1A;
  --border: rgba(255,255,255,0.08);
  --white: #FFFFFF;
  --grey-1: #F2F2F2;
  --grey-2: #B0B0B0;
  --grey-3: #6B6B6B;
  --font: 'Inter', system-ui, sans-serif;
  --heading-big: clamp(2.5rem, 6vw, 5rem);
  --heading-sec: clamp(1.8rem, 3.5vw, 2.8rem);
  --radius: 6px;
  --radius-lg: 12px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-red: 0 0 30px rgba(227, 30, 36, 0.3);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background-color: var(--bg);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 { line-height: 1.15; font-weight: 800; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; }

/* ---- CONTAINER ---- */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ---- TYPOGRAPHY HELPERS ---- */
.text-accent { color: var(--red); }
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--red);
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--red);
  border-radius: 2px;
  margin-bottom: 1.25rem;
}
.section-label--light { color: var(--red); border-color: var(--red); }

.section-title {
  font-size: var(--heading-sec);
  font-weight: 900;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 1.5rem;
}
.section-title--light { color: var(--white); }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn--primary {
  background: var(--red);
  color: var(--white);
  border: 2px solid var(--red);
}
.btn--primary:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-red);
}
.btn--outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
}
.btn--outline:hover {
  border-color: var(--red);
  color: var(--red);
  transform: translateY(-2px);
}
.btn--sm {
  padding: 0.6rem 1.25rem;
  font-size: 0.82rem;
}
.btn--lg {
  padding: 1.1rem 2.8rem;
  font-size: 1.05rem;
}
.btn--full { width: 100%; justify-content: center; }

/* ---- SECTION BASE ---- */
.section {
  padding: 6rem 0;
}

/* ================================================================
   HEADER
================================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: #ffffff;
  border-bottom: 1px solid #e5e5e5;
  transition: var(--transition);
}
.header.scrolled {
  background: #ffffff;
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 2rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}
.logo__name {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--white);
  display: block;
}
.logo__sub {
  font-size: 0.62rem;
  color: var(--grey-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
  line-height: 1.2;
}

/* Logo image */
.logo__img {
  height: 56px;
  width: auto;
  display: block;
  filter: none;
  transition: opacity 0.2s ease;
}
.logo__img:hover { opacity: 0.8; }
.logo__img--footer {
  height: 64px;
  filter: none;
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav__link {
  font-size: 0.88rem;
  font-weight: 600;
  color: #333333;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}
.nav__link:hover { color: var(--red); background: rgba(227,30,36,0.06); }
.nav__link--cta {
  background: var(--red);
  color: var(--white);
  margin-left: 0.5rem;
}
.nav__link--cta:hover { background: var(--red-dark); color: var(--white); }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ================================================================
   HERO
================================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
  filter: brightness(0.35);
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(10,10,10,0.97) 0%,
    rgba(10,10,10,0.88) 42%,
    rgba(10,10,10,0.3) 70%,
    rgba(10,10,10,0.1) 100%
  );
}

/* Diagonal red accent */
.hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 120px;
  background: var(--bg);
  clip-path: polygon(0 60%, 100% 0%, 100% 100%, 0 100%);
  z-index: 2;
}

.hero__content {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding-top: 3rem;
  padding-bottom: 8rem;
}
.hero__locations {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}
.location-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--grey-2);
  padding: 0.35rem 0.85rem;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 2px;
}
.hero__title {
  font-size: var(--heading-big);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}
.hero__sub {
  font-size: 1.2rem;
  color: var(--grey-2);
  margin-bottom: 2.5rem;
  font-weight: 400;
}
.hero__btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero__right {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__granules {
  width: 100%;
  max-width: 500px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  filter: brightness(0.9);
}
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--grey-3);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--grey-3), transparent);
  animation: scrollLine 2s infinite;
}
@keyframes scrollLine {
  0% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.3; }
  100% { opacity: 1; transform: scaleY(1); }
}

/* ================================================================
   ABOUT / METRICS
================================================================ */
.about {
  background: var(--bg);
  position: relative;
}
.about::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(to bottom, var(--red), transparent);
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.about__text { padding-right: 2rem; }
.about__desc {
  font-size: 1.05rem;
  color: var(--grey-2);
  line-height: 1.7;
  margin-bottom: 2rem;
}
.metrics__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.metric-card {
  position: relative;
  background: var(--bg-3);
  padding: 2rem 1.75rem;
  overflow: hidden;
  transition: var(--transition);
}
.metric-card:hover {
  background: var(--bg-4);
}
.metric-card:hover .metric-card__accent {
  opacity: 1;
}
.metric-card__accent {
  position: absolute;
  bottom: 0; left: 0;
  width: 3px;
  height: 100%;
  background: var(--red);
  opacity: 0;
  transition: var(--transition);
}
.metric-card__number {
  font-size: clamp(2.8rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--red);
  line-height: 1;
  display: inline-block;
}
.metric-card__number--lt {
  font-size: clamp(2.8rem, 5vw, 4rem);
}
.metric-card__unit {
  display: inline-block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--red);
  margin-left: 0.25rem;
  vertical-align: bottom;
  padding-bottom: 0.4rem;
}
.metric-card__label {
  font-size: 0.88rem;
  color: var(--grey-2);
  margin-top: 0.5rem;
  line-height: 1.35;
}

/* ================================================================
   SOLUTIONS
================================================================ */
.solutions {
  position: relative;
  overflow: hidden;
}
.solutions__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.solutions__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.2) saturate(0.5);
}
.solutions__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,10,10,0.9) 0%, rgba(10,10,10,0.75) 100%);
}
.solutions .container { position: relative; z-index: 2; }
.solutions__header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.solutions__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.solution-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.solution-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.solution-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-6px); }
.solution-card:hover::before { transform: scaleX(1); }
.solution-card__icon { margin-bottom: 1.25rem; }
.solution-card__title {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--white);
}
.solution-card__text {
  font-size: 0.88rem;
  color: var(--grey-2);
  line-height: 1.6;
}

/* ================================================================
   TECHNOLOGIES
================================================================ */
.technologies { background: var(--bg-2); }
.technologies__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.technologies__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.technologies__image img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  filter: brightness(0.85);
  transition: var(--transition);
}
.technologies__image:hover img { transform: scale(1.03); }
.technologies__image-badge {
  position: absolute;
  bottom: 2rem;
  left: 2rem;
  background: var(--red);
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.4;
}
.technologies__image-badge span {
  display: block;
  opacity: 0.8;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.7rem;
  margin-bottom: 0.2rem;
}
.technologies__image-badge strong {
  font-size: 0.95rem;
}
.technologies__desc {
  font-size: 1rem;
  color: var(--grey-2);
  line-height: 1.7;
  margin-bottom: 2rem;
}
.tech-list { display: flex; flex-direction: column; gap: 0; }
.tech-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.tech-item:last-child { border-bottom: none; }
.tech-item:hover { padding-left: 0.5rem; }
.tech-item__num {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--red);
  min-width: 3rem;
  line-height: 1;
}
.tech-item__body strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.25rem;
}
.tech-item__body p {
  font-size: 0.85rem;
  color: var(--grey-3);
  line-height: 1.5;
}

/* ================================================================
   INDUSTRIES
================================================================ */
.industries { background: var(--bg); }
.industries__header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.industries__sub {
  max-width: 540px;
  margin: 0 auto;
  font-size: 1rem;
  color: var(--grey-2);
}
.industries__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.industry-card {
  position: relative;
  background-image: var(--img);
  background-size: cover;
  background-position: center;
  min-height: 200px;
  overflow: hidden;
  cursor: default;
  transition: var(--transition);
}
.industry-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,10,10,0.75) 0%, rgba(10,10,10,0.55) 100%);
  transition: var(--transition);
}
.industry-card:hover .industry-card__overlay {
  background: linear-gradient(135deg, rgba(227,30,36,0.75) 0%, rgba(130,10,14,0.8) 100%);
}
.industry-card:hover { transform: scale(1.02); z-index: 2; }
.industry-card__content {
  position: relative;
  z-index: 2;
  padding: 1.75rem 1.5rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.industry-card__icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}
.industry-card h3 {
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--white);
}

/* Industry card backgrounds — CSS gradient fallbacks */
.industry-card:nth-child(1) { background-color: #1a1a2e; background-image: linear-gradient(135deg, #1a1a2e, #16213e); }
.industry-card:nth-child(2) { background-color: #1a2a1a; background-image: linear-gradient(135deg, #1a2a1a, #142e1a); }
.industry-card:nth-child(3) { background-color: #2a1a0e; background-image: linear-gradient(135deg, #2a1a0e, #2e1a08); }
.industry-card:nth-child(4) { background-color: #2a0e0e; background-image: linear-gradient(135deg, #2a0e0e, #3a1010); }
.industry-card:nth-child(5) { background-color: #1a1a0e; background-image: linear-gradient(135deg, #1a1a0e, #2a2a10); }
.industry-card:nth-child(6) { background-color: #0e1a2a; background-image: linear-gradient(135deg, #0e1a2a, #102030); }
.industry-card:nth-child(7) { background-color: #1e1a0e; background-image: linear-gradient(135deg, #1e1a0e, #282010); }
.industry-card:nth-child(8) { background-color: #1a0e2a; background-image: linear-gradient(135deg, #1a0e2a, #200e30); }

/* ================================================================
   OWN PRODUCTS
================================================================ */
.own-products {
  background: linear-gradient(135deg, var(--bg-2) 0%, var(--bg-3) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.own-products__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}
.own-products__desc {
  font-size: 1rem;
  color: var(--grey-2);
  line-height: 1.7;
  margin-bottom: 1rem;
}
.own-sku {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin: 0 auto 2rem;
  max-width: 700px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.sku-card {
  flex: 1;
  text-align: center;
  padding: 2.5rem 2rem;
  transition: var(--transition);
}
.sku-card:hover { background: rgba(227,30,36,0.06); }
.sku-card__num {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 900;
  color: var(--red);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.sku-card__label {
  font-size: 0.9rem;
  color: var(--grey-2);
  font-weight: 500;
}
.sku-divider {
  width: 1px;
  height: 6rem;
  background: var(--border);
}
.own-products__focus {
  text-align: center;
  font-size: 1rem;
  color: var(--grey-3);
  font-style: italic;
}

/* ================================================================
   CATALOG
================================================================ */
.catalog { background: var(--bg); }
.catalog__header {
  margin-bottom: 4rem;
}
.catalog__category {
  margin-bottom: 4.5rem;
}
.catalog__category:last-of-type { margin-bottom: 3rem; }
.catalog__category-header {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.catalog__cat-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--red);
  opacity: 0.4;
  line-height: 1;
  min-width: 3.5rem;
}
.catalog__cat-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
}
.catalog__products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.product-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.product-card:hover {
  border-color: rgba(227,30,36,0.4);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.product-card__img {
  height: 180px;
  overflow: hidden;
  background: var(--bg-4);
}
.product-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.product-card:hover .product-card__img img { transform: scale(1.05); }
.product-card__img--dark {
  background: var(--bg-4);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-icon {
  font-size: 3rem;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.5));
}
.product-card__body {
  padding: 1.5rem;
}
.product-card__body h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--white);
}
.product-card__body p {
  font-size: 0.82rem;
  color: var(--grey-3);
  line-height: 1.5;
  margin-bottom: 1.25rem;
}
.catalog__cta {
  text-align: center;
  padding-top: 1rem;
}

/* ================================================================
   ADVANTAGES
================================================================ */
.advantages {
  background: var(--bg-2);
  position: relative;
}
.advantages__header {
  margin-bottom: 3.5rem;
}
.advantages__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.adv-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.adv-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.adv-card:hover { background: var(--bg-4); transform: translateY(-4px); }
.adv-card:hover::after { transform: scaleX(1); }
.adv-card__icon {
  margin-bottom: 1rem;
  opacity: 0.9;
}
.adv-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--white);
}
.adv-card p {
  font-size: 0.82rem;
  color: var(--grey-3);
  line-height: 1.5;
}

/* ================================================================
   CTA STRIP
================================================================ */
.cta-strip {
  background: var(--red);
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}
.cta-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M50 50c0-5.523 4.477-10 10-10s10 4.477 10 10-4.477 10-10 10S50 55.523 50 50zM10 10c0-5.523 4.477-10 10-10s10 4.477 10 10S25.523 20 20 20 10 15.523 10 10z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta-strip__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.cta-strip__text h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 0.5rem;
}
.cta-strip__text p {
  font-size: 1rem;
  color: rgba(255,255,255,0.8);
}
.cta-strip .btn--primary {
  background: var(--white);
  color: var(--red);
  border-color: var(--white);
  flex-shrink: 0;
}
.cta-strip .btn--primary:hover {
  background: rgba(255,255,255,0.9);
  border-color: rgba(255,255,255,0.9);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

/* ================================================================
   CONTACT
================================================================ */
.contact { background: var(--bg); }
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.contact__desc {
  font-size: 1rem;
  color: var(--grey-2);
  line-height: 1.7;
  margin-bottom: 2.5rem;
}
.contact__info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}
.contact__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--grey-1);
  transition: var(--transition);
}
.contact__item:hover { color: var(--red); }
.contact__messengers {
  display: flex;
  gap: 0.75rem;
}
.messenger-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 700;
  transition: var(--transition);
}
.messenger-btn--tg {
  background: rgba(0, 136, 204, 0.15);
  color: #54A9EB;
  border: 1px solid rgba(0, 136, 204, 0.3);
}
.messenger-btn--tg:hover { background: rgba(0, 136, 204, 0.25); }
.messenger-btn--wa {
  background: rgba(37, 211, 102, 0.12);
  color: #25D366;
  border: 1px solid rgba(37, 211, 102, 0.25);
}
.messenger-btn--wa:hover { background: rgba(37, 211, 102, 0.22); }

/* Form */
.contact-form {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}
.form-group {
  margin-bottom: 1.25rem;
  position: relative;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--grey-2);
  margin-bottom: 0.4rem;
  letter-spacing: 0.03em;
}
input, textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.8rem 1rem;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--white);
  transition: var(--transition);
  outline: none;
}
input:focus, textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px var(--red-glow);
}
input::placeholder, textarea::placeholder { color: var(--grey-3); }
textarea { resize: vertical; min-height: 100px; }
.form-error {
  display: none;
  font-size: 0.75rem;
  color: var(--red);
  margin-top: 0.3rem;
}
.form-group.has-error input,
.form-group.has-error textarea { border-color: var(--red); }
.form-group.has-error .form-error { display: block; }
.form-agree {
  font-size: 0.72rem;
  color: var(--grey-3);
  text-align: center;
  margin-top: 0.75rem;
}
.form-success {
  display: none;
  background: rgba(37, 211, 102, 0.12);
  border: 1px solid rgba(37, 211, 102, 0.25);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
  color: #25D366;
  font-size: 0.9rem;
  margin-top: 1rem;
}

/* ================================================================
   FOOTER
================================================================ */
.footer {
  background: #ffffff;
  border-top: 1px solid #e5e5e5;
  padding: 4rem 0 2rem;
}
.footer__main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid #e5e5e5;
}
.footer__desc {
  font-size: 0.88rem;
  color: #666666;
  line-height: 1.6;
  margin: 1.25rem 0;
}
.footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  background: rgba(0,0,0,0.05);
  border: 1px solid #e5e5e5;
  border-radius: 50%;
  color: #555555;
  transition: var(--transition);
}
.footer__social a:hover {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}
.footer__nav-group h4 {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #111111;
  margin-bottom: 1.25rem;
}
.footer__nav-group ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer__nav-group li, .footer__nav-group a {
  font-size: 0.875rem;
  color: #666666;
  transition: var(--transition);
}
.footer__nav-group a:hover { color: var(--red); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer__bottom p {
  font-size: 0.78rem;
  color: #999999;
}

/* ================================================================
   QUICK CONTACT WIDGET
================================================================ */
.quick-contact {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
}
.quick-contact__toggle {
  width: 56px; height: 56px;
  background: var(--red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(227,30,36,0.4);
  transition: var(--transition);
}
.quick-contact__toggle:hover {
  background: var(--red-dark);
  transform: scale(1.1);
}
.quick-contact__panel {
  position: absolute;
  bottom: 68px;
  right: 0;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  width: 220px;
  box-shadow: var(--shadow);
  display: none;
  flex-direction: column;
  gap: 0.6rem;
}
.quick-contact__panel.open { display: flex; }
.quick-contact__panel p {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--grey-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.quick-contact__panel a {
  font-size: 0.88rem;
  color: var(--grey-1);
  transition: var(--transition);
  padding: 0.4rem 0.5rem;
  border-radius: var(--radius);
}
.quick-contact__panel a:hover { color: var(--red); background: rgba(255,255,255,0.05); }

/* ================================================================
   SCROLL REVEAL
================================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================================
   RESPONSIVE — TABLET (1024px)
================================================================ */
@media (max-width: 1024px) {
  .hero__content { grid-template-columns: 1fr; gap: 2rem; }
  .hero__right { display: none; }
  .hero__title { font-size: clamp(2.5rem, 7vw, 4rem); }

  .about__grid { grid-template-columns: 1fr; gap: 3rem; }
  .about__text { padding-right: 0; }

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

  .technologies__inner { grid-template-columns: 1fr; }
  .technologies__image { order: -1; }
  .technologies__image img { height: 350px; }

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

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

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

  .contact__grid { grid-template-columns: 1fr; gap: 3rem; }

  .footer__main { grid-template-columns: 1fr 1fr; gap: 2rem; }

  .cta-strip__inner { flex-direction: column; text-align: center; }
}

/* ================================================================
   RESPONSIVE — MOBILE (768px)
================================================================ */
@media (max-width: 768px) {
  .section { padding: 4rem 0; }
  .container { padding: 0 1.25rem; }

  /* Header & Nav */
  .nav {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: rgba(9, 9, 9, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem;
    gap: 0.25rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    pointer-events: none;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .nav.open { transform: translateY(0); pointer-events: all; }
  .nav__link { padding: 0.85rem 1rem; font-size: 1rem; border-radius: var(--radius); }
  .nav__link--cta { margin-left: 0; text-align: center; margin-top: 0.5rem; }
  .burger { display: flex; }

  /* Hero */
  .hero__content { padding-bottom: 5rem; padding-top: 2rem; }
  .hero__btns { flex-direction: column; }
  .hero__btns .btn { text-align: center; justify-content: center; }

  /* Metrics */
  .metrics__grid { grid-template-columns: 1fr 1fr; }

  /* Solutions */
  .solutions__grid { grid-template-columns: 1fr; }

  /* Industries */
  .industries__grid { grid-template-columns: 1fr 1fr; }

  /* Catalog */
  .catalog__products-grid { grid-template-columns: 1fr; }
  .catalog__category-header { flex-direction: column; gap: 0.5rem; }

  /* Advantages */
  .advantages__grid { grid-template-columns: 1fr; }

  /* Form row */
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer__main { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom { flex-direction: column; text-align: center; }

  /* Own SKU */
  .own-sku { flex-direction: column; }
  .sku-divider { width: 6rem; height: 1px; }

  /* Quick contact */
  .quick-contact { bottom: 1rem; right: 1rem; }
}

/* ================================================================
   RESPONSIVE — SMALL MOBILE (480px)
================================================================ */
@media (max-width: 480px) {
  .hero__title { font-size: 2.2rem; }
  .industries__grid { grid-template-columns: 1fr; }
  .metric-card__number { font-size: 2.5rem; }
}