:root {
    --nrs-red: #008751;
    --nrs-green: #008751; /* Nigerian Green */
    --nrs-dark: #0f172a;
    --nrs-light-gray: #f8fafc;
    --icon-bg: #ffe4e6;
    --font-primary: 'Inter', sans-serif;
}

body {
    font-family: var(--font-primary);
    color: var(--nrs-dark);
    -webkit-font-smoothing: antialiased;
}

/* --- Top Bar --- */
.top-bar {
    background-color: var(--nrs-dark);
    font-size: 0.8rem;
}

/* --- Navbar --- */
.navbar-brand img {
    height: 45px;
}
.nav-link {
    color: #334155 !important;
    font-size: 0.9rem;
    padding: 0 15px !important;
    transition: color 0.3s;
}
.nav-link:hover, .nav-link.active {
    color: var(--nrs-red) !important;
}

/* --- Hero Section & Slider --- */
.hero-section {
    position: relative;
    /* Adjust height as needed, visually looks tall in image */
    height: 600px; 
    background-color: #000;
}

.carousel, .carousel-inner, .carousel-item {
    height: 100%;
}

.hero-slide {
    background-size: cover;
    background-position: center;
}

/* Slide 1: Specific Red */
.slide-red {
    background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)), var(--nrs-red);
}

/* Slide 2: Nigerian Green */
.slide-green {
    background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)), var(--nrs-green);
}

/* --- CTA Cards (Overlap) --- */
.cta-container {
    margin-top: -80px; /* Pulls cards up over the hero */
    position: relative;
    z-index: 10;
}

.bg-red { background-color: var(--nrs-red); }
.bg-green { background-color: var(--nrs-green); }

.decorative-circle {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    right: -50px;
    bottom: -50px;
    background: white;
    opacity: 0.1;
}

/* --- Service Cards --- */
.bg-light-gray {
    background-color: var(--nrs-light-gray);
    padding-top: 100px; /* Extra padding for overlapped cards */
}

.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #f1f5f9;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

/* --- Finalist Cards Filtering --- */
.finalist-card {
    opacity: 1;
    transition: opacity 0.3s ease-in-out;
}

/* Filter Buttons */
.filter-btn {
    border-color: var(--nrs-green);
    color: var(--nrs-green);
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background-color: var(--nrs-green);
    border-color: var(--nrs-green);
    color: white;
}

.filter-btn.active {
    background-color: var(--nrs-green);
    border-color: var(--nrs-green);
    color: white;
}

.icon-box {
    width: 60px;
    height: 60px;
    background-color: var(--icon-bg);
    color: var(--nrs-red);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.5rem;
}

/* --- Footer --- */
footer {
    background-color: var(--nrs-dark);
    font-size: 0.9rem;
}

/* --- Mobile Menu Fixes --- */
.offcanvas {
    max-width: 80%;
}

/* --- Responsive Adjustments --- */
@media (max-width: 991px) {
    .hero-section {
        height: 500px; /* Smaller hero on mobile */
    }
    .cta-container {
        margin-top: -50px;
    }
    .display-3 {
        font-size: 2.5rem; /* Smaller text on mobile */
    }
}