:root {
    --navy: #002D56;
    --sky-blue: #00AEEF;
    --gold: #FFB800;
    --light-gray: #f4f7f9;
    --white: #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Poppins', sans-serif; }
html { scroll-behavior: smooth; }
body { background-color: var(--white); color: #333; line-height: 1.6; }

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 8%;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.site-logo { height: 60px; width: auto; }
.nav-links { display: flex; list-style: none; }
.nav-links li a { text-decoration: none; color: var(--navy); margin-left: 30px; font-weight: 600; transition: 0.3s; }
.nav-links li a:hover { color: var(--sky-blue); }

/* Hero Section using background.png [cite: 110] */
.hero {
    height: 80vh;
    background: linear-gradient(rgba(0, 45, 86, 0.85), rgba(0, 45, 86, 0.85)), url('background.png') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 0 10%;
}
.hero h1 { font-size: 2.8rem; margin-bottom: 20px; }
.hero p { font-size: 1.1rem; max-width: 800px; margin: 0 auto 30px; }

/* Buttons */
.btn { padding: 12px 30px; border-radius: 5px; text-decoration: none; font-weight: 600; display: inline-block; transition: 0.3s; border: none; cursor: pointer; }
.btn.primary { background: var(--gold); color: var(--navy); }
.btn.secondary { border: 2px solid var(--sky-blue); color: var(--sky-blue); margin-left: 15px; }
.btn.secondary:hover { background: var(--sky-blue); color: var(--white); }

/* Section Styling */
.container { max-width: 1200px; margin: 0 auto; padding: 80px 20px; text-align: center; }
.section-title { color: var(--navy); font-size: 2.2rem; margin-bottom: 30px; }
.work-section { background-color: var(--light-gray); }

/* Grids */
.work-grid, .info-grid, .stats-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
    gap: 30px; 
    margin-top: 40px; 
}
.work-card, .info-card { 
    background: var(--white); 
    padding: 40px; 
    border-radius: 10px; 
    border-bottom: 5px solid var(--sky-blue);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

/* Impact */
.impact-section { background: var(--navy); color: var(--white); }
.stat-item h3 { font-size: 2.5rem; color: var(--gold); }

/* Contact Form */
.contact-wrapper { display: flex; flex-wrap: wrap; gap: 50px; text-align: left; margin-top: 40px; }
.contact-info, .contact-form { flex: 1; min-width: 300px; }
.contact-form input, .contact-form textarea { width: 100%; padding: 12px; margin-bottom: 15px; border: 1px solid #ccc; border-radius: 5px; }

footer { background: var(--navy); color: var(--white); padding: 20px; text-align: center; font-size: 0.9rem; }