* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Inter", "Arial", "Helvetica Neue", sans-serif;
  color: #122033;
  background: #f6f8fb;
  line-height: 1.55;
  padding-right: 64px; /* space for the side contact bar */
}
.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* ============ Side Contact Bar ============ */
.side-contact {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: 64px;
  background: #122033;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  z-index: 60;
  box-shadow: -2px 0 18px rgba(18,32,51,.18);
}
.side-contact a {
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; color: #fff; font-size: 21px;
  position: relative;
  transition: transform .15s ease;
}
.side-contact a:hover { transform: scale(1.1); }
.side-contact .sc-ic { width: 22px; height: 22px; display: block; }
.side-contact a .sc-label {
  position: absolute;
  right: 56px;
  top: 50%; transform: translateY(-50%);
  background: #122033; color: #fff;
  font-size: 12px; font-weight: 600;
  white-space: nowrap;
  padding: 6px 10px; border-radius: 6px;
  opacity: 0; visibility: hidden;
  transition: opacity .15s ease;
}
.side-contact a:hover .sc-label { opacity: 1; visibility: visible; }
.sc-mail { background: #b23a2e; }
.sc-whatsapp { background: #25D366; }
.sc-telegram { background: #229ED9; }
.sc-top {
  margin-top: auto; margin-bottom: 10px;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.14); color: #fff;
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; font-size: 15px;
}

/* ============ Header ============ */
.header {
  background: #fff;
  border-bottom: 1px solid #e3e7ee;
  position: sticky; top: 0; z-index: 50;
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 16px;
}
.logo {
  font-weight: 800; font-size: 22px; letter-spacing: 1px; color: #b23a2e;
  text-decoration: none;
}
.nav-links { display: flex; gap: 22px; }
.nav-links a {
  color: #122033; text-decoration: none; font-weight: 500; font-size: 15px;
}
.nav-links a:hover { color: #b23a2e; }
.lang-switch { display: flex; gap: 6px; }
.lang-btn {
  border: 1px solid #cfd5df; background: #fff; cursor: pointer;
  padding: 6px 10px; border-radius: 6px; font-weight: 600;
}
.lang-btn.active { background: #122033; color: #fff; border-color: #122033; }

/* ============ Hero ============ */
.hero {
  position: relative; min-height: 520px; display: flex; align-items: center;
  overflow: hidden; color: #fff;
}
.hero-img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 1;
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(120deg, rgba(8,18,34,.78), rgba(178,58,46,.45));
}
.hero-content { position: relative; z-index: 3; max-width: 760px; }
.hero h1 { font-size: 38px; margin: 0 0 12px; line-height: 1.2; }
.hero-sub { font-size: 18px; margin: 0 0 24px; opacity: .95; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 12px 20px; border-radius: 8px;
  text-decoration: none; font-weight: 600; cursor: pointer; border: 1px solid transparent;
}
.btn.primary { background: #b23a2e; color: #fff; }
.btn.primary:hover { background: #922d23; }
.btn.outline { background: transparent; color: #fff; border-color: #fff; }
.btn.outline:hover { background: rgba(255,255,255,.12); }

/* ============ Sections ============ */
.highlights {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-top: -40px; position: relative; z-index: 4;
}
.card {
  background: #fff; border-radius: 12px; padding: 20px;
  box-shadow: 0 10px 30px rgba(18,32,51,.08);
}
.card h3 { margin-top: 0; color: #b23a2e; }

.products, .factory, .logistics, .contacts { padding: 60px 20px; }
h2 { font-size: 28px; margin-top: 0; }
.section-desc { color: #4a5668; margin-bottom: 24px; }

.grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px;
}
.product {
  background: #fff; border-radius: 12px; padding: 22px;
  border-top: 4px solid #b23a2e;
  box-shadow: 0 8px 24px rgba(18,32,51,.06);
}
.product h3 { margin: 8px 0 8px; }
.product ul { padding-left: 18px; color: #374151; }
.badge {
  display: inline-block; padding: 4px 10px; border-radius: 999px;
  background: #eaf1ff; color: #123047; font-weight: 700; font-size: 13px;
}
.badge.co2 { background: #eef2f5; color: #2f4050; }
.badge.ar { background: #e8f3ff; color: #1d5fa7; }
.badge.propane { background: #fff1e6; color: #b25a1a; }

.factory ul.checks { list-style: none; padding: 0; }
.factory li {
  padding: 8px 0 8px 28px; position: relative;
}
.factory li::before {
  content: "✓"; position: absolute; left: 0; top: 8px;
  color: #b23a2e; font-weight: 800;
}

.cities {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px;
}
.cities span {
  background: #fff; border: 1px solid #e3e7ee; border-radius: 999px;
  padding: 8px 14px; font-weight: 500;
}

.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
  background: #fff; border-radius: 12px; padding: 24px;
  box-shadow: 0 8px 24px rgba(18,32,51,.06);
}
.contact-grid a { color: #b23a2e; word-break: break-all; }
.inquiry { display: grid; gap: 10px; }
.inquiry input, .inquiry textarea {
  width: 100%; padding: 11px 13px; border: 1px solid #cfd5df;
  border-radius: 8px; font-size: 15px; font-family: inherit;
}
.inquiry button { justify-self: start; }

.footer {
  background: #122033; color: #cfd5df; padding: 22px 0; margin-top: 30px;
}
.footer-row {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font-size: 14px;
}

@media (max-width: 860px) {
  body { padding-right: 0; padding-bottom: 64px; }
  .side-contact {
    top: auto; bottom: 0; right: 0;
    width: 100%; height: 64px;
    flex-direction: row;
    box-shadow: 0 -2px 18px rgba(18,32,51,.18);
  }
  .side-contact a .sc-label { display: none; }
  .sc-top { display: none; }
  .highlights { grid-template-columns: 1fr; margin-top: 0; }
  .grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hero h1 { font-size: 30px; }
}