:root {
  --primary: #007bff;
  --primary-dark: #0056b3;
  --secondary: #28a745;
  --secondary-dark: #1e7e34;
  --text-main: #333333;
  --text-muted: #6c757d;
  --bg-light: #f8f9fa;
  --white: #ffffff;
  --border-color: #dee2e6;
  --radius: 4px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text-main);
  line-height: 1.6;
  background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: #111;
}

.btn {
  border-radius: var(--radius);
  font-weight: 600;
  padding: 0.6rem 1.5rem;
  transition: all 0.2s ease-in-out;
}

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

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

.btn-success {
  background-color: var(--secondary);
  border-color: var(--secondary);
}

.btn-success:hover {
  background-color: var(--secondary-dark);
  border-color: var(--secondary-dark);
}

.navbar {
  border-bottom: 1px solid var(--border-color);
  background: var(--white);
}

.navbar-brand {
  font-weight: 800;
  color: var(--primary) !important;
  font-size: 1.5rem;
}

.hero-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.section-padding {
  padding: 80px 0;
}

.section-title {
  margin-bottom: 3rem;
  text-align: center;
}

.card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  transition: transform 0.2s, box-shadow 0.2s;
  height: 100%;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.service-card {
  padding: 2rem;
}

.service-card.featured {
  border: 2px solid var(--primary);
  position: relative;
}

.service-card.featured::after {
  content: 'MOST POPULAR';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 2px 12px;
  font-size: 0.75rem;
  border-radius: 20px;
  font-weight: bold;
}

.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #25d366;
  color: #FFF;
  border-radius: 50px;
  text-align: center;
  font-size: 30px;
  box-shadow: 2px 2px 3px #999;
  z-index: 1000;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.whatsapp-float:hover {
  background-color: #128c7e;
  color: #FFF;
}

footer {
  background: #111;
  color: #fff;
  padding: 60px 0 20px;
}

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

footer a:hover {
  color: var(--primary);
}

.contact-form {
  background: var(--bg-light);
  padding: 3rem;
  border-radius: var(--radius);
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
}