:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --text-light: #555555;
    --accent-color: #0056b3; 
    --font-main: 'Inter', sans-serif;
}

body {
    margin: 0; padding: 0;
    font-family: var(--font-main);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
}

/* HERO */
.hero-section {
    position: relative;
    height: 90vh; min-height: 500px;
    background-size: cover; background-position: center;
    display: flex; align-items: center; justify-content: center;
    text-align: center; color: #fff;
}
.hero-overlay {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5); z-index: 1;
}
.hero-content {
    position: relative; z-index: 2; padding: 20px; max-width: 800px;
}
.hero-content h1 {
    font-size: 3.5rem; font-weight: 800; margin: 0 0 20px 0;
    text-transform: uppercase; letter-spacing: 2px;
}
.hero-content .subline {
    font-size: 1.25rem; font-weight: 300; color: #f0f0f0;
}

/* GRID */
.grid-section { padding: 100px 10%; background-color: #fff; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { font-size: 2.5rem; margin-bottom: 15px; color: #222; }
.separator { width: 60px; height: 4px; background: var(--accent-color); margin: 0 auto; }

.grid-container {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px;
}
.card {
    background: #fff; padding: 40px; border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05); border: 1px solid #eee;
    transition: all 0.3s ease;
}
.card:hover {
    transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border-color: var(--accent-color);
}
.card h3 { font-size: 1.5rem; margin-top: 0; margin-bottom: 15px; color: #222; }
.card p { color: var(--text-light); font-size: 1rem; line-height: 1.7; margin: 0; }

@media (max-width: 768px) {
    .hero-content h1 { font-size: 2.5rem; }
    .grid-section { padding: 60px 5%; }
}