/* --- CSS VARIABLES & RESET --- */
:root {
    --primary-color: #0F2C47; /* Deep Navy */
    --secondary-color: #2E7D32; /* Forest Green */
    --accent-color: #D4AF37; /* Gold */
    --text-dark: #1A1A1A;
    --text-light: #F5F5F5;
    --bg-light: #FFFFFF;
    --bg-grey: #F4F7F6;
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Playfair Display', serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-main); color: var(--text-dark); line-height: 1.6; background-color: var(--bg-light); }
a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* --- UTILITIES --- */
.container { width: 90%; max-width: 1200px; margin: 0 auto; padding: 0 15px; }
.section-padding { padding: 80px 0; }
.text-center { text-align: center; }
.section-title { font-family: var(--font-heading); font-size: 2.5rem; color: var(--primary-color); margin-bottom: 2rem; display: inline-block; }
.section-title::after { content: ''; display: block; width: 60px; height: 4px; background: var(--accent-color); margin: 10px auto 0; }
.btn { display: inline-block; padding: 12px 30px; background: var(--secondary-color); color: white; border-radius: 4px; font-weight: 600; text-transform: uppercase; }
.btn:hover { background: #1B5E20; }

/* --- NAVIGATION --- */
header { background: white; box-shadow: 0 2px 10px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 1000; }
.navbar { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo { font-size: 1.5rem; font-weight: 700; color: var(--primary-color); font-family: var(--font-heading); }
.logo span { color: var(--secondary-color); }
.nav-links { display: flex; gap: 25px; }
.nav-links a { font-weight: 500; color: var(--primary-color); }
.nav-links a:hover, .nav-links a.active { color: var(--secondary-color); border-bottom: 2px solid var(--secondary-color); }

/* --- FOOTER --- */
footer { background: #0b1e2e; color: #ccc; padding: 60px 0 20px; font-size: 0.9rem; margin-top: auto; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 40px; }
.footer-col h4 { color: white; margin-bottom: 20px; font-size: 1.1rem; }