* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  background: #ffffff;
  color: #333;
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 20px;
}

.header {
  background: #ffffff;
  border-bottom: 1px solid #eee;
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  padding: 8px 0;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.logo {
  height: 250px;
  width: auto;
  display: block;
}

.logo-small {
  height: 60px;
  width: auto;
  display: block;
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  padding: 14px 24px;
  border-radius: 14px;
  font-weight: bold;
  text-decoration: none;
  transition: 0.3s;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  white-space: nowrap;
}

.btn-whatsapp:hover {
  transform: scale(1.03);
}

.hero {
  text-align: center;
  padding: 64px 20px;
  background: linear-gradient(135deg, #ecfdf5, #fff7ed);
}

.test-banner {
  max-width: 760px;
  margin: 0 auto 28px;
  padding: 18px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid #fde7d4;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.test-badge {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: #fff7ed;
  color: #ea580c;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.test-banner p {
  margin: 12px 0 18px;
  color: #4b5563;
  line-height: 1.5;
}

.hero h1 {
  font-size: 44px;
  color: #15803d;
  margin-bottom: 20px;
  line-height: 1.15;
  font-weight: 800;
}

.hero p {
  font-size: 18px;
  color: #555;
  margin-bottom: 30px;
  line-height: 1.5;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: bold;
  border-radius: 12px;
  transition: 0.2s;
}

.btn-main {
  background: #f97316;
  color: #fff;
  padding: 14px 28px;
  font-size: 18px;
}

.btn-secondary {
  background: #15803d;
  color: #fff;
  padding: 12px 22px;
}

.btn-secondary:hover {
  background: #166534;
}

.btn-main:hover {
  background: #ea580c;
}

.services {
  padding: 48px 20px;
}

.services h2 {
  text-align: center;
  margin-bottom: 32px;
  color: #15803d;
  font-size: 38px;
  font-weight: 800;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.card {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 24px;
  padding: 22px;
  transition: 0.2s;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.card:hover {
  transform: translateY(-4px);
}

.badge {
  background: #dcfce7;
  color: #15803d;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  margin-bottom: 12px;
  display: inline-block;
  font-weight: 700;
}

.card h3 {
  margin-bottom: 12px;
  font-size: 30px;
  line-height: 1.2;
  color: #1f2937;
}

.card p {
  font-size: 16px;
  color: #555;
  line-height: 1.5;
  min-height: 48px;
}

.btn-card {
  margin-top: 16px;
  background: #f97316;
  color: #fff;
  padding: 12px 18px;
  font-size: 15px;
}

.btn-card:hover {
  background: #ea580c;
}

footer {
  background: #f8fafc;
  padding: 24px 0;
  text-align: center;
}

.footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.footer p {
  color: #4b5563;
}

.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25d366;
  color: #fff;
  padding: 15px;
  border-radius: 50%;
  font-size: 22px;
  text-decoration: none;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
  z-index: 999;
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 10px;
    align-items: center;
  }

  .logo {
    height: 110px;
  }

  .btn-whatsapp {
    width: 100%;
    text-align: center;
    padding: 14px;
  }

  .hero {
    padding: 56px 16px;
  }

  .hero h1 {
    font-size: 26px;
  }

  .hero p {
    font-size: 15px;
  }

  .services h2 {
    font-size: 26px;
  }

  .card h3 {
    font-size: 20px;
  }

  .card p {
    font-size: 14px;
    min-height: auto;
  }

  .logo-small {
    height: 100px;
  }
}
