/*
 * LIGHT THEME STYLESHEET (Based on Provided Image Layout)
 */
:root {
    --primary-color: #0057D9;     /* Deep Blue for header/footer/accents */
    --light-bg: #F0F8FF;          /* Alice Blue for main background */
    --text-dark: #333333;
    --text-light: #ffffff;
    --section-bg-light: #f9f9ff;
    --font-primary: 'Poppins', sans-serif;
}

/* Global Reset and Base Styles */
body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--light-bg);
    padding-top: 70px; /* Space for fixed header */
}

h1, h2, h3, h4, h5 {
    font-weight: 600;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

a:hover {
    color: #0045a8;
}

/* --- Bootstrap Overrides --- */
.text-primary {
    color: var(--primary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-light) !important;
    border: none;
    padding: 10px 25px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn-primary:hover {
    background-color: #0045a8;
    transform: translateY(-1px);
}

/* --- Header & Footer (Uniform Blue) --- */
.navbar {
    background-color: var(--primary-color) !important;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    top: 0;
    position: fixed; /* Fix/Sticky header */
    width: 100%;
    z-index: 1000;
}

.navbar-dark .navbar-nav .nav-link {
    color: var(--text-light);
    border-radius: 4px;
}

.navbar-dark .navbar-nav .nav-link:hover, 
.navbar-dark .navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.15) !important;
    color: var(--text-light) !important;
}

footer {
    background-color: var(--primary-color) !important;
    color: var(--text-light) !important;
    padding-top: 40px;
}

/* --- Section Styling (Mimics the Image) --- */
.section-dark-bg {
    background-color: #1a375e; /* Darker blue background */
    color: var(--text-light);
    padding: 60px 0;
    position: relative;
    /* Optional: Add a subtle background image/texture like in the original image */
}

.section-dark-bg h2, .section-dark-bg h3 {
    color: var(--text-light);
}

/* --- Content Boxes (Blue/White Contrast) --- */
.content-box-blue {
    background-color: #4b86d9; /* A medium, visible blue */
    color: var(--text-light);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.content-box-white {
    background-color: var(--text-light);
    color: var(--text-dark);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

/* --- Gallery Specific Styles (Cards with CTA) --- */
.gallery-card-cta {
    border: none;
    overflow: hidden;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-card-cta:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.gallery-card-img {
    height: 200px;
    background-color: #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    font-weight: 600;
    overflow: hidden;
}


/* --- Lightbox Styles (Simple and Clean) --- */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 30px;
    color: var(--text-light);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    opacity: 0.9;
    transition: opacity 0.3s;
}

.close-btn:hover {
    opacity: 1;
}