:root {
    --navy-dark: #0a192f;
    --navy-primary: #172a45;
    --silver-light: #f4f5f7;
    --silver-medium: #cbd5e1;
    --silver-dark: #94a3b8;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--silver-light);
    color: var(--navy-dark);
    scroll-behavior: smooth;
}

/* Navigation */
.navbar {
    background-color: var(--navy-dark);
    border-bottom: 3px solid var(--silver-medium);
}

.navbar-brand, .nav-link {
    color: #ffffff !important;
}

.nav-link:hover {
    color: var(--silver-medium) !important;
}

/* Hero Section */
/*.hero-section {
    background: linear-gradient(rgba(10, 25, 47, 0.85), rgba(23, 42, 69, 0.85)), 
         url('images/unsplash.jpg') no-repeat center center/cover;
            padding: 150px 0;
            color: #ffffff;
        }*/

.btn-silver {
    background-color: var(--silver-medium);
    color: var(--navy-dark);
    font-weight: 600;
    border: 1px solid var(--silver-dark);
}

.btn-silver:hover {
    background-color: var(--silver-light);
    color: var(--navy-dark);
}

.btn-outline-navy {
    border: 2px solid #ffffff;
    color: #ffffff;
    font-weight: 600;
}

.btn-outline-navy:hover {
    background-color: #ffffff;
    color: var(--navy-dark);
}

/* Sections */
.section-padding {
    padding: 80px 0;
}

.bg-navy {
    background-color: var(--navy-primary);
    color: #ffffff;
}

/* Cards & Project Gallery */
.custom-card {
    border: 1px solid var(--silver-medium);
    background-color: #ffffff;
    transition: transform 0.3s ease;
}

.custom-card:hover {
    transform: translateY(-5px);
    border-color: var(--navy-dark);
}

.project-img-container {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.project-img-container img {
    transition: transform 0.5s ease;
}

.project-img-container:hover img {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 25, 47, 0.4);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-img-container:hover .project-overlay {
    opacity: 1;
}

.project-overlay i {
    color: #ffffff;
    font-size: 2rem;
    background: rgba(23, 42, 69, 0.8);
    padding: 10px 15px;
    border-radius: 50%;
}

.icon-box {
    color: var(--navy-dark);
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.bg-navy .icon-box {
    color: var(--silver-medium);
}

/* Expanded Footer Styling */
.main-footer {
    background-color: var(--navy-dark);
    color: var(--silver-light);
    border-top: 4px solid var(--silver-dark);
}

.main-footer h5 {
    color: #ffffff;
    font-weight: 700;
    position: relative;
    padding-bottom: 10px;
}

.main-footer h5::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: var(--silver-medium);
}

.footer-links a {
    color: var(--silver-dark);
    text-decoration: none;
    transition: color 0.2s ease, padding-left 0.2s ease;
    display: inline-block;
}

.footer-links a:hover {
    color: #ffffff;
    padding-left: 5px;
}

.footer-bottom {
    background-color: #061020;
    color: var(--silver-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.social-icons a {
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background-color 0.2s, color 0.2s;
}

.social-icons a:hover {
    background-color: var(--silver-medium);
    color: var(--navy-dark);
}

/* Custom Modal Customization */
.modal-content-custom {
    background-color: var(--navy-dark);
    border: 2px solid var(--silver-medium);
    border-radius: 8px;
    position: relative;
}

.modal-header-custom {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Navigation Gallery Arrows */
.modal-nav-btn {
    position: absolute;
    top: 40%;
    transform: translateY(-50%);
    background-color: rgba(10, 25, 47, 0.8);
    border: 1px solid var(--silver-medium);
    color: #ffffff;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 1060;
}

.modal-nav-btn:hover {
    background-color: var(--silver-medium);
    color: var(--navy-dark);
    border-color: #ffffff;
}

.modal-prev-btn {
    left: -22px;
}

.modal-next-btn {
    right: -22px;
}

/* Responsive Overrides for Compact Screens */
@media (max-width: 768px) {
    .modal-prev-btn { left: 10px; }
    .modal-next-btn { right: 10px; }
}