/* RESET / BASE STYLES */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
}

/* HEADER & NAVIGATION */
header {
  background-color: #000;
  color: white;
  text-align: center;
}

header nav {
  position: sticky;
  top: 0;
  z-index: 999;
  background: #0b0f19;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
}

header nav .logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #1E90FF;
}

header nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

header nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  opacity: 0.9;
  transition: color 0.3s ease, opacity 0.3s ease;
}

header nav a:hover {
  color: #1E90FF;
  opacity: 1;
}

header nav a.highlight {
  background-color: #1E90FF;
  padding: 0.5rem 1rem;
  border-radius: 6px;
}

/* HERO SECTION */
.hero {
  background-color: #1E90FF;
  color: #fff;
  padding: 72px 20px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 700px;
  margin: 0 auto 1rem;
}

.cta {
  display: inline-block;
  background: #0b5cff;
  color: #fff;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid #0b5cff;
  font-weight: bold;
  text-decoration: none;
  transition: filter 0.3s ease;
}

.cta:hover {
  filter: brightness(1.05);
}

/* SECTIONS (GENERAL) */
section {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

section h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: #1E90FF;
}

/* SERVICES SECTION */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.card {
  background: #f7f8fb;
  border: 1px solid #e9ecf2;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 1rem;
  color: #1E90FF;
}

.card ul {
  list-style: disc inside;
  color: #333;
  text-align: left;
}

/* CLIENTS SECTION */
.client-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin: 2rem 0 3rem;
}

.client-logos img {
  max-width: 150px;
  height: auto;
  object-fit: contain;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.client-logos img:hover {
  opacity: 1;
}

/* TESTIMONIALS */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.testimonial {
  background-color: #f9f9f9;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.testimonial p {
  font-style: italic;
  margin-bottom: 1rem;
  color: #333;
}

.testimonial h4 {
  font-size: 1rem;
  font-weight: normal;
  color: #666;
}

/* CONTACT SECTION */
#contact form {
  max-width: 600px;
  margin: 0 auto;
  text-align: left;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: #333;
  font-weight: bold;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #1E90FF;
  box-shadow: 0 0 0 2px rgba(30, 144, 255, 0.2);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

#contact button.cta {
  display: block;
  width: 100%;
  margin-top: 1.5rem;
  cursor: pointer;
}

/* GUARANTEE SECTION */
#guarantee h2 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

#guarantee h3 {
  font-size: 1.8rem;
  color: #000;
  margin-bottom: 1rem;
}

#guarantee p {
  font-size: 1.1rem;
  color: #333;
  max-width: 600px;
  margin: 0 auto;
}

/* ABOUT SECTION */
#about p {
  max-width: 800px;
  margin: 0 auto 1.2rem auto;
  font-size: 1.1rem;
  color: #444;
}

/* FOOTER */
footer {
  background-color: #000;
  color: #fff;
  text-align: center;
  padding: 24px 20px;
  margin-top: 4rem;
}

/* Accessibility */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  background: #000;
  color: #fff;
  padding: .5rem .75rem;
  border-radius: .5rem;
  z-index: 1000;
}

/* Chatbot Styles */
#chatbot-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 300px;
  font-family: Arial, sans-serif;
  z-index: 9999;
}

#chatbot-header {
  background: #0d0d0d;
  color: #fff;
  padding: 10px;
  border-radius: 10px 10px 0 0;
  cursor: pointer;
  text-align: center;
}

#chatbot-box {
  display: none;
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 0 0 10px 10px;
  max-height: 400px;
  overflow: hidden;
  flex-direction: column;
}

#chatbot-messages {
  height: 300px;
  overflow-y: auto;
  padding: 10px;
  font-size: 14px;
}

#chatbot-input {
  width: 100%;
  border: none;
  border-top: 1px solid #ccc;
  padding: 10px;
  outline: none;
  font-size: 14px;
}
.message {
  margin: 5px 0;
}
.user {
  text-align: right;
  color: #0d0d0d;
}
.bot {
  text-align: left;
  color: #0077cc;
}

<style>
  df-messenger {
    --df-messenger-bot-message: #e5e5e5;
    --df-messenger-user-message: #007bff;
    --df-messenger-font-color: white;
    --df-messenger-button-titlebar-color: #007bff;
  }
</style>