@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
    --oxford-blue: #002147;
    --navy: #0B1E36;
    --slate: #708090;
    --white: #FFFFFF;
    --ivory: #FDFDF9;
    --copper: #C46210;
    --copper-dark: #A3500A;
    --border-color: #E2E8F0;
    --text-main: #1A202C;
    --text-muted: #4A5568;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-body); color: var(--text-main); background: var(--white); line-height: 1.6; overflow-x: hidden; }

/* Navigation */
.navbar { background-color: var(--oxford-blue); padding: 1.5rem 2.5rem; display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 1000; border-bottom: 2px solid var(--copper); }
.navbar-brand { font-family: var(--font-heading); font-size: 1.8rem; color: var(--white); text-decoration: none; font-weight: 700; letter-spacing: 1px; }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a { color: var(--white); text-decoration: none; font-size: 0.95rem; font-weight: 500; transition: color 0.3s ease; text-transform: uppercase; letter-spacing: 1.2px; }
.nav-links a:hover, .nav-links a.active { color: var(--copper); }
.menu-toggle { display: none; color: var(--white); font-size: 1.8rem; cursor: pointer; background: none; border: none; }

/* Hero */
.hero { text-align: center; color: var(--white); position: relative; }
.hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(rgba(11, 30, 54, 0.7), rgba(11, 30, 54, 0.85)); z-index: 1; }
.hero > * { position: relative; z-index: 2; }
.hero h1 { font-family: var(--font-heading); font-size: 4rem; margin-bottom: 1.5rem; font-weight: 700; line-height: 1.2; letter-spacing: -0.5px; }
.hero p { font-size: 1.25rem; max-width: 900px; margin: 0 auto 2.5rem; color: var(--ivory); font-weight: 300; line-height: 1.8; }

/* Sections */
.section { padding: 8rem 2rem; }
.bg-ivory { background-color: var(--ivory); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.section-title { font-family: var(--font-heading); font-size: 3rem; text-align: center; color: var(--oxford-blue); margin-bottom: 4rem; }
.section-title::after { content: ''; display: block; width: 80px; height: 3px; background-color: var(--copper); margin: 1.5rem auto 0; }

/* Grids */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 3rem; max-width: 1200px; margin: 0 auto; }
.card { background: var(--white); border: 1px solid var(--border-color); padding: 3rem 2.5rem; transition: transform 0.3s ease, box-shadow 0.3s ease; box-shadow: 0 2px 4px rgba(0,0,0,0.02); }
.card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.05); border-bottom: 4px solid var(--copper); }
.card-icon { font-size: 3rem; color: var(--copper); margin-bottom: 1.5rem; }
.card-title { font-family: var(--font-heading); font-size: 1.7rem; margin-bottom: 1rem; color: var(--oxford-blue); }
.card-text { color: var(--text-muted); margin-bottom: 2rem; font-size: 1.05rem; line-height: 1.7; }

/* Buttons */
.btn { display: inline-block; padding: 1rem 2.5rem; text-decoration: none; font-weight: 600; font-size: 0.95rem; letter-spacing: 1px; text-transform: uppercase; transition: all 0.3s; border-radius: 0; }
.btn-primary { background-color: var(--copper); color: var(--white); border: 1px solid var(--copper); }
.btn-primary:hover { background-color: var(--copper-dark); border-color: var(--copper-dark); }
.btn-secondary { background-color: transparent; color: var(--oxford-blue); border: 1px solid var(--oxford-blue); }
.btn-secondary:hover { background-color: var(--oxford-blue); color: var(--white); }
.btn-light { background-color: transparent; color: var(--white); border: 1px solid var(--white); }
.btn-light:hover { background-color: var(--white); color: var(--oxford-blue); }

/* Executive Summary Box */
.exec-summary { background-color: var(--navy); color: var(--white); padding: 5rem 4rem; max-width: 1000px; margin: 0 auto; border-left: 6px solid var(--copper); box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.exec-summary h3 { font-family: var(--font-heading); font-size: 2.2rem; margin-bottom: 1.5rem; color: var(--ivory); }
.exec-summary p { font-size: 1.15rem; color: var(--border-color); font-weight: 300; line-height: 1.8; }

/* Forms */
.form-group { margin-bottom: 1.5rem; }
.form-label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: var(--oxford-blue); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; }
.form-control { width: 100%; padding: 1rem; border: 1px solid var(--border-color); font-family: var(--font-body); background-color: var(--white); font-size: 1rem; transition: border-color 0.3s; }
.form-control:focus { outline: none; border-color: var(--copper); box-shadow: 0 0 0 1px var(--copper); }

/* Content Blocks for deep reading */
.content-wrapper { max-width: 900px; margin: 0 auto; }
.content-wrapper p { margin-bottom: 1.8rem; font-size: 1.15rem; color: var(--text-muted); line-height: 1.8; }
.content-wrapper ul { margin-bottom: 2rem; padding-left: 2rem; color: var(--text-muted); font-size: 1.15rem; line-height: 1.8; }
.content-wrapper li { margin-bottom: 0.8rem; }

/* Footer */
.footer { background-color: var(--oxford-blue); color: var(--white); padding: 6rem 2rem 2rem; border-top: 4px solid var(--copper); }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 4rem; max-width: 1200px; margin: 0 auto 4rem; }
.footer-title { font-family: var(--font-heading); font-size: 1.5rem; margin-bottom: 1.5rem; color: var(--white); }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 1rem; }
.footer-links a { color: var(--slate); text-decoration: none; font-size: 1rem; transition: color 0.3s; }
.footer-links a:hover { color: var(--copper); }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.9rem; color: var(--slate); }

/* Off-canvas menu for mobile */
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .nav-links { display: none; position: absolute; top: 100%; left: 0; width: 100%; background-color: var(--oxford-blue); flex-direction: column; gap: 0; padding: 0; border-top: 1px solid rgba(255,255,255,0.1); box-shadow: 0 10px 20px rgba(0,0,0,0.2); }
    .nav-links.active { display: flex; }
    .nav-links li { border-bottom: 1px solid rgba(255,255,255,0.05); }
    .nav-links a { display: block; padding: 1.5rem 2.5rem; }
    
    .hero h1 { font-size: 2.8rem; }
    .hero { padding: 6rem 1.5rem; }
    .hero p { font-size: 1.1rem; }
    
    .section { padding: 5rem 1.5rem; }
    .section-title { font-size: 2.2rem; }
    
    .exec-summary { padding: 3rem 2rem; border-left: none; border-top: 5px solid var(--copper); }
    .exec-summary h3 { font-size: 1.8rem; }
    
    .grid { grid-template-columns: 1fr; gap: 2rem; }
    .content-wrapper { padding: 0 1rem; }
    .hero .btn { display: block; margin: 0 0 1rem 0 !important; width: 100%; box-sizing: border-box; }
}
