* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: Arial, Helvetica, sans-serif; }
a { text-decoration: none; color: inherit; }

.header {
  position: fixed; top: 0; left: 0; right: 0;
  background: white; z-index: 100;
  padding: 12px 40px;
  display: flex; align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.lang-buttons { display: flex; gap: 6px; align-items: center; }

.lang-flag {
  font-size: 22px; cursor: pointer;
  opacity: 0.5; border: none;
  background: none; padding: 4px;
  border-bottom: 2px solid transparent;
  transition: opacity 0.2s;
}
.lang-flag.active {
  opacity: 1;
  border-bottom: 2px solid #2e7d32;
}

.hero {
  min-height: 100vh; display: flex;
  align-items: center; justify-content: center;
  text-align: center; padding: 100px 20px 60px;
  position: relative;
  background: linear-gradient(135deg, #1a1a1a 0%, #2e7d32 50%, #1E88E5 100%);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.5);
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 600px; color: white;
}

.badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50px;
  padding: 8px 20px;
  font-size: 14px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 58px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 20px;
  opacity: 0.85;
  max-width: 500px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.hero-note {
  font-size: 16px;
  opacity: 0.7;
  line-height: 1.6;
}

.footer {
  background: #1a1a1a;
  padding: 30px 20px;
  text-align: center;
}
.footer-copy {
  color: white;
  opacity: 0.5;
  font-size: 13px;
}

@media (max-width: 768px) {
  .header { padding: 12px 20px; }
  .hero h1 { font-size: 34px; }
  .hero-sub { font-size: 17px; }
}