:root {
    --navy: #1a365d;
    --gold: #b45309;
    --slate: #334155;
    --light-bg: #f8fafc;
    --white: #ffffff;
}

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

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

.container { width: 90%; max-width: 1200px; margin: auto; }

/* Top Info Bar */
.top-bar {
    background: #0f172a;
    color: #cbd5e0;
    padding: 8px 0;
    font-size: 0.8rem;
}

.top-bar .container { display: flex; justify-content: space-between; align-items: center; }

/* Header */
.main-header {
    background: var(--white);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.main-header .container { display: flex; justify-content: space-between; align-items: center; }

#branding { display: flex; align-items: center; gap: 15px; }
.logo { height: 45px; }
.brand-text h1 { font-family: 'Playfair Display', serif; font-size: 1.6rem; color: var(--navy); margin: 0; }
.brand-text p { font-size: 0.75rem; text-transform: uppercase; color: var(--gold); font-weight: 700; margin: 0; }

nav ul { display: flex; list-style: none; align-items: center; }
nav a { text-decoration: none; color: var(--navy); font-weight: 600; font-size: 0.85rem; margin-left: 20px; transition: 0.3s; }
nav a:hover { color: var(--gold); }
.btn-nav { background: var(--navy); color: white !important; padding: 8px 18px; border-radius: 4px; }

/* Hero Section */
#hero { padding: 80px 0; background: #fff; }
.hero-flex { display: flex; align-items: center; gap: 60px; }
.hero-text { flex: 1; }
.eyebrow { color: var(--gold); font-weight: 700; text-transform: uppercase; font-size: 0.8rem; }
h1 { font-family: 'Playfair Display', serif; font-size: 3.2rem; line-height: 1.1; margin: 15px 0; color: var(--navy); }
.accent { color: var(--gold); }
.hero-visual { flex: 1; }
.hero-img { width: 100%; border-radius: 15px; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }

/* Buttons */
.btn-primary { background: var(--navy); color: white; padding: 12px 25px; text-decoration: none; border-radius: 4px; font-weight: 600; display: inline-block; transition: 0.3s; }
.btn-secondary { border: 2px solid var(--navy); color: var(--navy); padding: 10px 22px; text-decoration: none; border-radius: 4px; font-weight: 600; display: inline-block; margin-left: 10px; }
.btn-primary:hover { background: var(--gold); transform: translateY(-3px); }

/* Publications */
.section-header { text-align: center; margin-top: 60px; margin-bottom: 40px; }
.divider { width: 50px; height: 3px; background: var(--gold); margin: 15px auto; }
.pub-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-bottom: 60px; }
.pub-card { background: #fff; border: 1px solid #e2e8f0; border-radius: 10px; overflow: hidden; transition: 0.3s; }
.pub-card:hover { transform: translateY(-8px); box-shadow: 0 12px 30px rgba(0,0,0,0.06); }
.pub-img { position: relative; padding: 25px; background: #f1f5f9; }
.pub-img img { width: 100%; border-radius: 4px; box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
.ref-tag { position: absolute; bottom: 10px; right: 10px; background: var(--navy); color: white; font-family: 'Roboto Mono', monospace; font-size: 0.7rem; padding: 4px 8px; border-radius: 4px; }
.pub-info { padding: 25px; }
.analytics-box { margin-top: 15px; font-family: 'Roboto Mono', monospace; font-size: 0.75rem; color: #64748b; background: #f8fafc; padding: 10px; border-radius: 4px; display: flex; justify-content: space-between; border: 1px solid #e2e8f0; }

/* Service Box */
.services-section { padding: 80px 0; }
.service-grid { display: flex; gap: 30px; }
.service-box { flex: 1; background: #fff; padding: 40px; border-top: 5px solid var(--navy); border-radius: 6px; text-align: center; }

/* Technology */
#technology { padding: 80px 0; background: #fff; }
.tech-flex { display: flex; align-items: center; gap: 60px; }
.tech-img { flex: 1; }
.tech-photo { width: 100%; border-radius: 15px; box-shadow: 0 10px 25px rgba(0,0,0,0.1); }
.tech-content { flex: 1; }
.tech-content h2 { font-family: 'Playfair Display', serif; color: var(--navy); font-size: 2.2rem; margin-bottom: 20px; }

/* Footer */
.dark-cta { background: var(--navy); color: white; padding: 80px 0; text-align: center; }
#main-footer { background: #0f172a; color: #cbd5e0; padding: 60px 0 0 0; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; padding-bottom: 50px; }
/* .footer-logo { height: 40px; filter: brightness(0) invert(1); margin-bottom: 15px; } */
.footer-col h4 { color: var(--gold); margin-bottom: 20px; }
.copyright { background: #070a13; padding: 20px 0; text-align: center; font-size: 0.8rem; opacity: 0.6; }

@media (max-width: 768px) {
    .hero-flex, .tech-flex, .service-grid { flex-direction: column; text-align: center; }
    h1 { font-size: 2.5rem; }
    nav ul { display: none; }
}
/* Find this in your style.css and change it to this: */
.footer-logo {
    height: 45px;
    width: auto;
    /* Remove the filter line if your logo already looks good */
    display: block; 
    margin-bottom: 15px;
}