/* Base Reset and Typography */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  background-color: #F9FAFB;
  color: #2A3D45;
}

/* Container */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px;
}

/* Header */
.site-header {
  background-color: #ffffff;
  padding: 20px 0;
  border-bottom: 1px solid #e2e8f0;
  text-align: center;
}

.site-header .logo {
  max-width: 220px;
  height: auto;
  margin-bottom: 10px;
}

/* Navigation (optional) */
.site-header .main-nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 10px;
}

.site-header .main-nav a {
  text-decoration: none;
  color: #2A3D45;
  font-weight: 600;
}

.site-header .main-nav a:hover {
  color: #D97706;
}

/* AI Chat Section */
.chat-hero {
  background-color: #ffffff;
  padding: 60px 20px;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.03);
}

.chat-hero h1 {
  font-size: 2.4rem;
  color: #2A3D45;
  margin-bottom: 10px;
}

.chat-hero p {
  font-size: 1.1rem;
  color: #4B5563;
  margin-bottom: 30px;
}

.chat-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.chat-form textarea {
  padding: 15px;
  border-radius: 6px;
  border: 1px solid #cbd5e1;
  resize: vertical;
  font-size: 1rem;
  min-height: 120px;
}

.chat-form button {
  background-color: #D97706;
  color: #ffffff;
  border: none;
  padding: 12px 20px;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s;
}

.chat-form button:hover {
  background-color: #b05e04;
}

/* Results Section */
.response-area {
  margin-top: 40px;
  background-color: #f1f5f9;
  padding: 20px;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
}

/* Footer */
.site-footer {
  background-color: #ffffff;
  color: #6B7280;
  text-align: center;
  padding: 30px 20px;
  font-size: 0.9rem;
  border-top: 1px solid #e5e7eb;
}

@media (max-width: 600px) {
  .chat-form textarea {
    font-size: 0.95rem;
  }

  .chat-hero h1 {
    font-size: 1.8rem;
  }
}