:root {
  --blue: #0b4ea2;
  --green: #1ea85f;
  --dark: #0f172a;
  --light: #f8fafc;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  background: #ffffff;
  color: var(--dark);
  line-height: 1.6;
}

header {
  background: linear-gradient(135deg, var(--blue), var(--green));
  color: white;
  padding: 32px 20px;
}

header h1 {
  margin: 0;
  font-size: 32px;
}

header p {
  margin-top: 8px;
  font-size: 18px;
}

nav {
  margin-top: 16px;
}

nav a {
  color: white;
  margin-right: 18px;
  text-decoration: none;
  font-weight: 600;
}

nav a:hover {
  text-decoration: underline;
}

section {
  padding: 60px 20px;
}

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

h2 {
  color: var(--blue);
  margin-bottom: 16px;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
  background: var(--light);
  padding: 24px;
  border-radius: 8px;
  border-left: 6px solid var(--green);
}

.pricing {
  border-left-color: var(--blue);
}

.button {
  display: inline-block;
  background: linear-gradient(135deg, var(--blue), var(--green));
  color: white;
  padding: 14px 24px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  margin-top: 16px;
}

.button:hover {
  opacity: 0.9;
}

footer {
  background: var(--blue);
  color: white;
  padding: 24px;
  text-align: center;
}

footer a {
  color: white;
  text-decoration: underline;
}

/* WhatsApp floating button */
.whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #25d366;
  color: white;
  padding: 14px 18px;
  border-radius: 50px;
  font-weight: bold;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}