:root {
  --primary: #0f172a;
  --secondary: #16a34a;
  --light: #f8fafc;
  --dark: #020617;
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--light);
  color: #111827;
  line-height: 1.6;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f4f4f4;
    color: #333;
}
header {
  background: linear-gradient(120deg, var(--primary), var(--dark));
  color: white;
  text-align: center;
  padding: 60px 20px;
}

header img {
  max-width: 160px;
  margin-bottom: 20px;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

header p {
  max-width: 700px;
  margin: 0 auto 25px;
  opacity: .9;
}

.btn {
  display: inline-block;
  background: var(--secondary);
  color: white;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: .3s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0,0,0,.2);
}

section {
  padding: 70px 20px;
  max-width: 1200px;
  margin: auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0,0,0,.08);
  transition: .3s;
}

.card:hover {
  transform: translateY(-6px);
}

.card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.card .content {
  padding: 20px;
}

.card h3 {
  margin-bottom: 10px;
  color: var(--primary);
}

.cta {
  background: linear-gradient(120deg, var(--primary), var(--dark));
  color: white;
  text-align: center;
  padding: 80px 20px;
}

.cta h2 {
  font-size: 2.2rem;
  margin-bottom: 15px;
}

.cta p {
  max-width: 700px;
  margin: 0 auto 30px;
  opacity: .9;
}

footer {
  background: var(--dark);
  color: #cbd5f5;
  text-align: center;
  padding: 30px 20px;
  font-size: .9rem;
}


#chatBubble {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #00AADE;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    text-align: center;
    line-height: 60px;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    z-index: 999;
}

#chatWidget {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 300px;
    background: white;
    border: 1px solid #ccc;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
    font-family: sans-serif;
    z-index: 1000;
}

.chat-header {
    background-color: #00AADE;
    color: white;
    padding: 10px;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header span {
    cursor: pointer;
}

.chat-body {
    padding: 10px;
}

.chat-body input {
    width: 100%;
    padding: 5px;
    margin-bottom: 8px;
    box-sizing: border-box;
}

.chat-body button {
    width: 100%;
    padding: 6px;
    background: #007B9E;
    color: white;
    border: none;
    cursor: pointer;
}

.chat-body pre {
    margin-top: 8px;
    font-size: 0.9em;
    background: #f9f9f9;
    padding: 8px;
    max-height: 150px;
    overflow-y: auto;
}

.hidden {
    display: none;
}