/* Global Styles */
:root {
    --primary-color: #0B2447; /* Dark Navy */
    --secondary-color: #19376D; 
    --accent-color: #576CBC;
    --highlight-color: #A5D7E8;
    --text-dark: #333333;
    --text-light: #F8F9FA;
    --bg-light: #F4F7F6;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #ffffff;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.bg-light {
    background-color: var(--bg-light);
}

.highlight {
    color: var(--accent-color);
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--text-light);
    padding: 12px 28px;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: var(--text-light);
    padding: 12px 28px;
    border: 2px solid var(--text-light);
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-secondary:hover {
    background-color: var(--text-light);
    color: var(--primary-color);
}

/* Header & Nav */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.logo-highlight {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--accent-color);
}

.nav-links .btn-primary:hover {
    color: white;
}

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

/* Hero Section */
.hero {
    position: relative;
    height: 90vh;
    background: url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    display: flex;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to right, rgba(11, 36, 71, 0.9), rgba(11, 36, 71, 0.6));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
    max-width: 700px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

/* About Section */
.about-section {
    padding: 100px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
}

.about-text p {
    margin-bottom: 15px;
    color: #555;
}

.mission-box {
    margin-top: 30px;
    padding: 25px;
    background-color: var(--bg-light);
    border-left: 4px solid var(--accent-color);
    border-radius: 4px;
}

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

.about-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.feature-card {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 2rem;
    color: var(--accent-color);
}

.feature-card h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
}

/* Services Section */
.services-section {
    padding: 100px 0;
}

.services-section h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.section-subtitle {
    color: #666;
    margin-bottom: 50px;
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    text-align: left;
    transition: var(--transition);
    border-top: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    border-top-color: var(--accent-color);
}

.service-icon {
    width: 60px;
    height: 60px;
    background-color: var(--highlight-color);
    color: var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    font-size: 1.5rem;
    margin-bottom: 25px;
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
    color: var(--primary-color);
}

.service-card p {
    color: #666;
    margin-bottom: 25px;
}

.service-list li {
    margin-bottom: 10px;
    color: #555;
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-list li i {
    color: var(--accent-color);
    font-size: 0.9rem;
}

/* Projects Section */
.projects-section {
    padding: 100px 0;
}

.projects-section h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    margin-top: 50px;
}

.project-item {
    padding: 25px;
    border: 1px solid #eaeaea;
    border-radius: 8px;
    text-align: left;
    background: white;
    transition: var(--transition);
}

.project-item:hover {
    box-shadow: 0 10px 20px rgba(0,0,0,0.06);
    border-color: var(--highlight-color);
}

.project-item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.project-item p {
    color: #666;
    font-size: 0.95rem;
}

/* Certification Banner */
.cert-banner {
    background-color: var(--primary-color);
    color: white;
    padding: 50px 0;
}

.cert-banner h3 {
    margin-bottom: 30px;
    font-weight: 400;
    opacity: 0.9;
}

.cert-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
}

.cert-item {
    padding: 10px 20px;
    background: rgba(255,255,255,0.1);
    border-radius: 5px;
    font-weight: 600;
    letter-spacing: 1px;
}

/* Footer */
footer {
    background-color: #061428;
    color: #ccc;
    padding: 80px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: white;
    margin-bottom: 20px;
}

.footer-info p {
    margin-bottom: 25px;
    max-width: 400px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-color);
}

.footer-contact h3 {
    color: white;
    margin-bottom: 25px;
    font-size: 1.3rem;
}

.footer-contact ul li {
    margin-bottom: 15px;
    display: flex;
    gap: 15px;
}

.footer-contact ul li i {
    color: var(--highlight-color);
    margin-top: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .about-grid, .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .mobile-menu {
        display: block;
    }
    .hero-content h1 {
        font-size: 2.2rem;
    }
    .hero-buttons {
        flex-direction: column;
    }
}