:root {
    --primary-color: #00529B; /* A professional blue */
    --secondary-color: #003366; /* A darker blue */
    --accent-color: #00AEEF; /* A lighter, vibrant blue */
    --text-color: #333;
    --light-gray: #f4f4f4;
    --white-color: #fff;
    --section-padding: 60px 0;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: 	var(--white-color);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Header --- */
.main-header {
    background: var(--white-color);
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 40px;
}

.main-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
}

.main-nav ul li {
    margin-left: 25px;
}

.main-nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: color 0.3s;
}

.main-nav ul li a:hover {
    color: var(--primary-color);
}

.hamburger-menu {
    display: none;
    font-size: 24px;
    background: none;
    border: none;
    cursor: pointer;
}

/* --- Buttons --- */
.btn {
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    text-align: center;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white-color);
    border: 1px solid var(--primary-color);
}
.btn-primary:hover {
    background-color: var(--secondary-color);
}

.btn-secondary {
    background-color: var(--accent-color);
    color: var(--white-color);
    border: 1px solid var(--accent-color);
}

.btn-outline {
    background-color: transparent;
    color: var(--white-color);
    border: 2px solid var(--white-color);
}
.btn-outline:hover {
    background-color: var(--white-color);
    color: var(--primary-color);
}

/* --- Hero Section --- */
.hero-section {
    background: linear-gradient(rgba(0, 51, 102, 0.8), rgba(0, 51, 102, 0.8)), url('https://images.unsplash.com/photo-1556740738-b6a63e27c4df?q=80&w=2070&auto=format&fit=crop') no-repeat center center/cover;
    color: var(--white-color);
    padding: 100px 0;
    text-align: left;
}

.hero-content .subtitle {
    font-weight: 600;
    color: var(--accent-color);
    letter-spacing: 1px;
}

.hero-content h1 {
    font-size: 3rem;
    margin: 10px 0 20px;
}

.hero-content p {
    font-size: 1.1rem;
    max-width: 600px;
    margin-bottom: 30px;
}

.service-checklist {
    list-style: none;
    margin-bottom: 30px;
}

.service-checklist li {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.service-checklist i {
    color: var(--accent-color);
    margin-right: 10px;
}

.hero-buttons .btn {
    margin-right: 15px;
}

/* --- General Section Styling --- */
h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-subtitle {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 40px;
    color: #666;
}

/* --- Features & Security Section --- */
.features-section, .security-section {
    padding: var(--section-padding);
}
.security-section {
    background-color: var(--light-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    text-align: center;
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

/* --- Stats Section --- */
.stats-section {
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: var(--section-padding);
}

.stats-section h2, .stats-section .section-subtitle {
    color: var(--white-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item i {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
}

.stat-label {
    font-size: 1.1rem;
}

/* --- Testimonials Section --- */
.testimonials-section {
    padding: var(--section-padding);
    background-color: var(--light-gray);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--white-color);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 15px;
}

.author-info strong {
    display: block;
}

.author-info span {
    color: #777;
}

/* --- Footer --- */
.main-footer {
    background-color: var(--secondary-color);
    color: #ccc;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.footer-column h4 {
    color: var(--white-color);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li a {
    color: #ccc;
    text-decoration: none;
    line-height: 2;
    transition: color 0.3s;
}

.footer-column ul li a:hover {
    color: var(--accent-color);
}

.footer-column p {
    line-height: 1.8;
}

.footer-column i {
    margin-right: 10px;
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid #444;
    padding-top: 20px;
    font-size: 0.9rem;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .main-nav { display: none; } /* Hide nav on mobile */
    .hamburger-menu { display: block; }
    
    .hero-content h1 { font-size: 2.5rem; }
    .hero-section { text-align: center; }
    .hero-content p { margin-left: auto; margin-right: auto; }
    .hero-buttons { display: flex; flex-direction: column; align-items: center; gap: 15px; }
    .hero-buttons .btn { width: 80%; }
    .service-checklist { text-align: left; display: inline-block; }

    .features-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    
    h2 { font-size: 2rem; }
}

@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; }
}

/* Page Transition Effects */
.page-transition {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--deep), var(--deep-2));
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.page-transition.active {
  opacity: 1;
}

.loader {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  border-top-color: var(--accent);
  animation: spin 1s ease-in-out infinite;
  margin-bottom: 20px;
}

.loader-text {
  color: white;
  font-size: 14px;
  letter-spacing: 1px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}