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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

.container {
    max-width: 1100px;
    margin: auto;
    padding: 60px 20px;
}

/* Hero Section with Background Image */
.hero {
    position: relative;
    height: 80vh;
    background: url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?auto=format&fit=crop&q=80&w=1920') no-repeat center center/cover;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 25, 47, 0.8); /* Deep tech blue overlay */
    z-index: 1;
}

nav {
    position: absolute;
    top: 0;
    width: 100%;
    padding: 20px 50px;
    z-index: 2;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #64ffda; /* Teal accent */
}

/* Buttons */
.btn {
    display: inline-block;
    background: #64ffda;
    color: #0a192f;
    padding: 12px 30px;
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
    transition: 0.3s;
}

.btn:hover {
    background: #fff;
}

/* Section Styling */
.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: #0a192f;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    font-size: 1.1rem;
}

/* Services Cards */
.services {
    background: #0a192f;
    color: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 8px;
    border-bottom: 3px solid #64ffda;
}

.card h3 {
    margin-bottom: 15px;
    color: #64ffda;
}

/* Lists */
.dual-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.check-list {
    list-style: none;
    margin-top: 20px;
}

.check-list li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #64ffda;
    font-weight: bold;
}

/* Footer */
footer {
    background: #050c16;
    color: #8892b0;
    padding: 50px 0 20px;
}

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

.footer-info h3 {
    color: white;
    margin-bottom: 15px;
}

.footer-bottom {
    margin-top: 40px;
    font-size: 0.8rem;
    border-top: 1px solid #233554;
    padding-top: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .about-grid, .dual-column {
        grid-template-columns: 1fr;
    }
    .hero-content h1 {
        font-size: 2.2rem;
    }
}