:root {
  --color-bg: #0f1419;
  --color-surface: #1a2332;
  --color-text: #e8eaed;
  --color-text-muted: #9aa0a6;
  --color-accent: #c9a227;
  --color-accent-hover: #d4af37;
  --font: 'DM Sans', -apple-system, sans-serif;
  --max-width: 1100px;
  --space: 1.5rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space);
}

.header {
  background: var(--color-surface);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem var(--space);
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo img {
  height: 42px;
  width: auto;
  display: block;
}

.nav {
  display: flex;
  gap: 1.75rem;
}

.nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--color-text);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.25rem 0.4rem;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
}

.lang-btn:hover,
.lang-btn.active {
  color: var(--color-accent);
}

.lang-btn.active {
  background: rgba(201, 162, 39, 0.12);
}

.lang-divider {
  color: var(--color-text-muted);
  opacity: 0.5;
}

.hero {
  padding: 5rem 0 6rem;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.hero-inner {
  text-align: center;
}

.hero-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 1rem;
  max-width: 20ch;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtitle {
  color: var(--color-text-muted);
  max-width: 42ch;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 6px;
  transition: background 0.2s, color 0.2s;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 1rem;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
}

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

.section {
  padding: 4rem 0;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 1.5rem;
  color: var(--color-text);
}

.about-text {
  color: var(--color-text-muted);
  max-width: 60ch;
  margin: 0 0 1rem;
}

.products {
  background: var(--color-surface);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.product-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 2rem;
  transition: border-color 0.2s, background 0.2s;
}

.product-card:hover {
  border-color: rgba(201, 162, 39, 0.3);
  background: rgba(201, 162, 39, 0.04);
}

.product-icon {
  color: var(--color-accent);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.product-card h3 {
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
}

.product-card p {
  color: var(--color-text-muted);
  margin: 0;
  font-size: 0.95rem;
}

.contact-intro {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.contact-block {
  background: var(--color-surface);
  border-radius: 10px;
  padding: 2rem;
  max-width: 400px;
}

.contact-block p {
  margin: 0 0 0.5rem;
}

.contact-block a {
  color: var(--color-accent);
  text-decoration: none;
}

.contact-block a:hover {
  text-decoration: underline;
}

.footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 1.5rem 0;
  margin-top: 3rem;
}

.footer-text {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0;
}

@media (max-width: 600px) {
  .header-inner {
    flex-wrap: wrap;
  }
  .nav {
    order: 3;
    width: 100%;
    justify-content: center;
  }
  .hero {
    padding: 3rem 0 4rem;
  }
  .section {
    padding: 3rem 0;
  }
}