:root {
    --primary: #0a192f; /* Trust/Professionalism */
    --accent: #007bff;  /* Innovation/Action */
    --text: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
}

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

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

.container { max-width: 1100px; margin: auto; padding: 0 2rem; }

header { background: var(--primary); color: var(--white); padding: 1rem 0; position: sticky; top: 0; z-index: 100; }
header nav { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 700; }
.logo span { color: var(--accent); }
header ul { display: flex; list-style: none; }
header ul li { margin-left: 20px; }
header a { color: white; text-decoration: none; font-weight: 600; }

.hero { 
    background: linear-gradient(rgba(10, 25, 47, 0.8), rgba(10, 25, 47, 0.8)), 
                url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&w=1200&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0;
    text-align: center;
}
.hero h1 { font-size: 3rem; margin-bottom: 1rem; }
.btn { background: var(--accent); color: white; padding: 0.8rem 2rem; border: none; border-radius: 5px; cursor: pointer; text-decoration: none; font-weight: bold; display: inline-block; margin-top: 1rem; transition: background 0.3s; }
.btn:hover { background: #0056b3; }

.section-title { text-align: center; margin: 4rem 0 2rem; }
.section-title h2 { font-size: 2.5rem; color: var(--primary); margin-bottom: 1rem; }

.bg-light { background: var(--light-bg); padding: 4rem 0; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.card { background: var(--white); padding: 2rem; border-radius: 8px; border-bottom: 4px solid var(--accent); box-shadow: 0 4px 6px rgba(0,0,0,0.1); transition: transform 0.3s; }
.card:hover { transform: translateY(-5px); }
.card h3 { margin-bottom: 1rem; color: var(--primary); }

.contact-form { max-width: 600px; margin: auto; display: flex; flex-direction: column; gap: 1rem; }
.contact-form input, .contact-form textarea { padding: 0.8rem; border: 1px solid #ddd; border-radius: 4px; font-family: inherit; }

footer { background: var(--primary); color: white; text-align: center; padding: 2rem 0; margin-top: 4rem; }