:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --text: #122033;
  --muted: #5b6a7b;
  --primary: #0f62fe;
  --primary-dark: #0a4bcc;
  --border: #dbe3ef;
  --shadow: 0 10px 30px rgba(16, 42, 67, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.topbar {
  background: #0b1628;
  color: #d2d8e2;
  font-size: 0.9rem;
}

.topbar-wrap {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
}

.navbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  padding: 0.9rem 0;
}

.logo {
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  font-size: 1.2rem;
}

.logo span {
  color: var(--primary);
}

.menu-btn {
  display: none;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 8px;
  padding: 0.4rem 0.7rem;
}

.menu {
  display: flex;
  list-style: none;
  gap: 1.3rem;
  margin: 0;
  padding: 0;
}

.menu a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 0.65rem 1rem;
  font-weight: 600;
  cursor: pointer;
}

.hero {
  padding: 4.3rem 0 3.4rem;
  background: linear-gradient(115deg, #eef3ff 10%, #f8f9ff 60%, #edf8ff 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2rem;
  align-items: center;
}

.badge,
.eyebrow {
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.8rem;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0.5rem 0 1rem;
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin: 0.3rem 0 1rem;
}

.lead {
  color: var(--muted);
  max-width: 62ch;
}

.hero-card,
.category-card,
.product-card,
.stats article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 1.3rem 1.4rem;
}

.hero-card ul {
  margin: 0.7rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.hero-cta {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.4rem;
}

.btn {
  display: inline-block;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-light {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
}

.section {
  padding: 4rem 0;
}

.alt {
  background: #f0f4fb;
}

.section-head {
  margin-bottom: 1.3rem;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.category-card {
  padding: 1.1rem;
}

.category-card p {
  margin: 0;
  color: var(--muted);
}

.shop-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
}

.filter-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
}

select {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.55rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.product-card {
  padding: 1rem;
}

.product-tag {
  font-size: 0.77rem;
  color: var(--primary-dark);
  margin: 0;
  font-weight: 700;
}

.sku {
  color: var(--muted);
  font-size: 0.9rem;
}

.tech {
  margin: 0.5rem 0 0.75rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.price {
  font-weight: 800;
  font-size: 1.1rem;
  margin: 0;
}

.price-label {
  margin: 0.15rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 1.2rem;
  align-items: start;
}

.stats {
  display: grid;
  gap: 0.8rem;
}

.stats article {
  padding: 1.1rem;
}

.stats strong {
  font-size: 1.6rem;
  display: block;
}

.stats span {
  color: var(--muted);
}

.footer {
  background: #0b1628;
  color: #d4dbe5;
  padding: 2.8rem 0 0;
}

.footer .logo {
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.2rem;
}

.footer h4 {
  color: #fff;
  margin-top: 0;
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer a {
  color: #d4dbe5;
  text-decoration: none;
}

.copyright {
  margin-top: 2rem;
  padding: 0.8rem 0;
  border-top: 1px solid #253148;
  text-align: center;
  color: #99aac2;
  font-size: 0.9rem;
}

.contact-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr 1fr;
}

.contact-form {
  display: grid;
  gap: 0.6rem;
  padding: 1rem;
}

.contact-form input,
.contact-form textarea {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 0.7rem;
  font: inherit;
}

.contact-form select {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 0.7rem;
  font: inherit;
  background: #fff;
}

.map-card {
  margin-top: 1rem;
}

.map-card iframe {
  width: 100%;
  min-height: 240px;
  border: 0;
  border-radius: 12px;
  margin-top: 0.5rem;
}

@media (max-width: 960px) {
  .hero-grid,
  .about-grid,
  .category-grid,
  .product-grid,
  .footer-grid,
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 740px) {
  .menu-btn {
    display: inline-block;
  }

  .menu {
    display: none;
    position: absolute;
    left: 4%;
    right: 4%;
    top: 70px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 0.8rem;
    flex-direction: column;
    gap: 0.7rem;
  }

  .menu.open {
    display: flex;
  }

  .hero-grid,
  .about-grid,
  .category-grid,
  .product-grid,
  .footer-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar-wrap {
    flex-direction: column;
    gap: 0.2rem;
  }

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