:root {
  --blue-primary: #1B6EDA;
  --blue-light: #B6D2F6;
  --text-dark: #474747;
  --white: #ffffff;

  --font-primary: "Rubik", system-ui, sans-serif;
  --font-secondary: "Open Sans", system-ui, sans-serif;

  --max-width: 1200px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100dvh;
  overflow-x: hidden;
  font-family: var(--font-primary);
  color: var(--text-dark);
}

.content {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
}

.abcalvernia-logo {
  width: clamp(160px, 28vw, 260px);
  max-width: 80%;
  height: auto;
  margin-bottom: 2rem;
}

.heading {
  font-size: clamp(2rem, 5vw, 2rem);
  font-weight: 300;
  margin-bottom: 1rem;
}

.subtitle {
  font-family: var(--font-secondary);
  font-size: 1rem;
  opacity: 0.8;
}

.whatsapp-contact {
  margin-top: 24px;
  text-align: center;
}

.whatsapp-contact a {
  display: inline-block;
  background-color: #25D366;
  color: #ffffff;
  padding: 14px 28px;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.whatsapp-contact a:hover {
  background-color: #1ebe5d;
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .heading {
    font-size: 2rem;
  }
  
  .abcalvernia-logo {
    width: clamp(280px, 70vw, 360px);
  }
}