:root {
  --ink: #101114;
  --muted: #666d78;
  --line: #e8e9ed;
  --soft: #f5f5f7;
  --white: #fff;
  --black: #050505;
  --blue: #0071e3;
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  height: 58px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 clamp(18px, 5vw, 72px);
  background: rgba(255,255,255,.82);
  border-bottom: 1px solid rgba(0,0,0,.08);
  backdrop-filter: blur(18px);
}

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 760; }
.brand-mark {
  display: grid; place-items: center;
  width: 36px; height: 26px;
  color: #fff; background: #111; border-radius: 7px;
  font-size: 13px; font-weight: 800;
}
.nav-links { display: flex; gap: clamp(18px, 4vw, 46px); color: #30343b; font-size: 13px; font-weight: 650; }
.header-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-toggle {
  height: 34px;
  padding: 0 12px;
  color: #111;
  background: #fff;
  border: 1px solid rgba(0,0,0,.14);
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
}

.header-wa {
  justify-self: end;
  padding: 9px 15px;
  color: #fff;
  background: #111;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 760;
}

.hero {
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(340px, 1.1fr);
  align-items: center;
  gap: clamp(28px, 5vw, 80px);
  padding: 96px clamp(22px, 6vw, 92px) 52px;
  background: linear-gradient(180deg, #fbfbfd 0%, #f1f3f6 100%);
}

.hero-copy { max-width: 650px; }
.eyebrow {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 780;
  letter-spacing: .08em;
  text-transform: uppercase;
}
h1, h2 { margin: 0; letter-spacing: 0; line-height: 1.04; }
h1 { font-size: clamp(46px, 7vw, 96px); font-weight: 820; }
h2 { font-size: clamp(34px, 4vw, 58px); font-weight: 820; }
.hero-text {
  max-width: 560px;
  margin: 24px 0 0;
  color: #535965;
  font-size: clamp(18px, 2vw, 25px);
  line-height: 1.45;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.contact-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  color: #30343b;
  font-size: 16px;
  font-weight: 700;
}
.contact-line a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.primary-action, .secondary-action {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 22px;
  border-radius: 999px;
  font-weight: 760;
}
.primary-action { color: #fff; background: var(--blue); }
.secondary-action { color: var(--blue); background: rgba(0,113,227,.1); }
.disclaimer { max-width: 560px; margin: 18px 0 0; color: #777f8a; font-size: 12px; line-height: 1.5; }

.hero-media {
  align-self: stretch;
  display: grid;
  place-items: center;
  min-height: 520px;
}
.hero-media img {
  width: min(720px, 100%);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 30px 90px rgba(0,0,0,.16);
}

.quick-contact {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 22px clamp(22px, 6vw, 92px);
  color: #fff;
  background: #111;
}
.quick-contact span { color: rgba(255,255,255,.62); font-size: 13px; font-weight: 760; }
.quick-contact strong { font-size: clamp(18px, 2vw, 26px); }
.quick-contact a { color: #7cc4ff; font-weight: 820; }

.catalog { padding: 78px clamp(18px, 5vw, 78px); }
.section-heading { display: grid; gap: 8px; margin-bottom: 28px; }
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.product-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.product-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--soft);
}
.product-body { padding: 14px; }
.product-body h3 { margin: 0 0 8px; font-size: 16px; }
.product-meta { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 13px; }
.product-body a {
  display: flex; align-items: center; justify-content: center;
  height: 40px; margin-top: 14px;
  color: #fff; background: #111; border-radius: 7px;
  font-size: 13px; font-weight: 780;
}

.fit-section {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1fr);
  gap: 40px;
  padding: 76px clamp(22px, 6vw, 92px);
  background: var(--soft);
}
.fit-section p:last-child { margin: 0; color: #535965; font-size: 22px; line-height: 1.5; }

.floating-wa {
  position: fixed;
  right: 20px;
  bottom: 22px;
  z-index: 30;
  display: grid; place-items: center;
  width: 58px; height: 58px;
  color: #fff;
  background: #25d366;
  border-radius: 50%;
  box-shadow: 0 16px 38px rgba(0,0,0,.24);
  font-weight: 900;
}
.site-footer {
  display: flex; justify-content: space-between; gap: 18px;
  padding: 26px clamp(22px, 6vw, 92px);
  color: #737984; font-size: 13px;
}

@media (max-width: 920px) {
  .site-header { grid-template-columns: 1fr auto; }
  .nav-links { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 104px; }
  .hero-media { min-height: 0; }
  .quick-contact, .fit-section { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 520px) {
  h1 { font-size: 45px; }
  .hero { padding-inline: 18px; }
  .catalog { padding-inline: 14px; }
  .product-grid { gap: 10px; }
  .product-body { padding: 11px; }
  .quick-contact { padding-inline: 18px; }
  .site-footer { flex-direction: column; }
}