:root {
  --primary: #b5000b;
  --primary-container: #e30613;
  --background: #f9f9f9;
  --surface: #f9f9f9;
  --surface-container: #eeeeee;
  --surface-container-low: #f3f3f3;
  --text: #1a1c1c;
  --secondary: #5f5e5e;
  --border: #e9bcb6;
}

body {
  margin: 0;
  font-family: 'Work Sans', sans-serif;
  background: var(--background);
  color: var(--text);
}

* {
  box-sizing: border-box;
}

img {
  display: block;
}

.nav-link {
  font-weight: 600;
  color: var(--secondary);
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.hero-gradient {
  background: linear-gradient(135deg, #ffffff 0%, #f3f3f3 100%);
}

.shadow-soft {
  box-shadow: 0 8px 24px rgba(148, 19, 19, 0.04);
}

.shadow-heavy {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.whatsapp-float {
  position: fixed;
  right: 30px;
  bottom: 30px;
  z-index: 9999;
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25d366;
  color: #ffffff;
  border-radius: 50%;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.22);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.whatsapp-float svg {
  width: 40px;
  height: 40px;
  display: block;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}