* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  line-height: 1.6;
  color: #333;
}

.navbar {
  background: #1a2a44;
  color: white;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1rem;
}

.nav-links li {
  margin-left: 2rem;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-size: 1rem;
}

.nav-links a:hover {
  color: #00aaff;
}

.hamburger {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/*  index page  */
.hero {
  background: linear-gradient(rgba(26, 42, 68, 0.8), rgba(26, 42, 68, 0.8)),
    url("images/portrait-male-security-guard-with-radio-station.jpg")
      center/cover no-repeat;
  height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
}

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

.cta-button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: #194c66;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  margin-top: 1rem;
}

.cta-button:hover {
  background: #306884;
}

/* ABOUT SECTION */
.about {
  padding: 4rem 2rem;
  background-color: #f4f6fa;
  text-align: center;
}

.about h2 {
  color: #1a2a44;
  font-size: 2rem;
  margin-bottom: 40px;
  font-weight: 700;
}

/* SERVICES SECTION */
.services {
  background-color: #f4f6fa;
  padding: 4rem 2rem;
  text-align: center;
}

.services h2 {
  color: #1a2a44;
  font-size: 2rem;
  margin-bottom: 40px;
  font-weight: 700;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto;
}

.service-item {
  background-color: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  padding: 30px 25px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: left;
}

.service-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.service-item h3 {
  color: #1a2a44;
  margin-bottom: 15px;
  font-size: 1.4rem;
  font-weight: 600;
}

.service-item p {
  color: #444;
  font-size: 1rem;
  line-height: 1.6;
}

/* CONTACT SECTION */
.contact {
  padding: 4rem 2rem;
  background-color: #f4f6fa;
  text-align: center;
}

.contact h2 {
  color: #1a2a44;
  font-size: 2rem;
  margin-bottom: 40px;
  font-weight: 700;
}

/* CALL-TO-ACTION BUTTON */
.cta-button {
  display: inline-block;
  background-color: #1a2a44;
  color: #fff;
  padding: 12px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  margin-top: 40px;
  transition: background-color 0.3s ease;
}

.cta-button:hover {
  background-color: #2e4c78; /* lighter shade for hover */
}

.content {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
}

.content h1 {
  font-size: 1.5rem;
}

.content h2 {
  font-size: 1.25rem;
}

.content h3 {
  font-size: 1.15rem;
}

.content p {
  font-size: 1rem;
}

/*  about page  */
.about-card {
  margin-top: 2rem;
}

.about-card ol {
  padding-left: 1.5rem;
}

.about-card ul {
  padding-left: 2rem;
}

/* service page  */
.service-card {
  margin-top: 2rem;
}

.service-card ol {
  padding-left: 1.5rem;
}

.service-card ul {
  padding-left: 2rem;
}

/* contact page  */
.contact-info {
  margin: 2rem 0;
}

.contact-form {
  max-width: 600px;
  margin: 2rem 0;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 5px;
}

.form-group textarea {
  height: 150px;
  resize: vertical;
}

button {
  padding: 0.75rem 1.5rem;
  background: #194c66;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background: #306884;
}

/* footer  */
footer {
  background: #1a2a44;
  color: white;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}

/* Notification container */
#notification-container {
  position: fixed;
  bottom: 20px;
  left: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 9999;
}

/* Notification toast */
.notification {
  background-color: #1a2a44;
  color: #fff;
  padding: 12px 20px;
  border-radius: 6px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
  font-size: 0.95rem;
  opacity: 0;
  transform: translateY(20px);
  animation: slideIn 0.4s forwards, fadeOut 0.4s ease 3s forwards;
}

/* Animations */
@keyframes slideIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOut {
  to {
    opacity: 0;
    transform: translateY(20px);
  }
}

/* RESPONSIVE STYLES */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    background: #1a2a44;
    padding: 1rem;
  }

  .nav-links.active {
    display: flex;
  }

  .hamburger {
    display: block;
  }

  .content h1 {
    font-size: 1.25rem;
  }

  .content h2 {
    font-size: 1.15rem;
  }

  .content h3 {
    font-size: 1rem;
  }

  .content p {
    font-size: 0.9rem;
  }

  #notification-container {
    left: 50%;
    bottom: 15px;
    transform: translateX(-50%);
    width: 90%;
    align-items: center;
  }

  .notification {
    width: 100%;
    max-width: 400px;
    text-align: center;
    font-size: 0.9rem;
    padding: 14px 18px;
    border-radius: 8px;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
  }
}