:root {
    --primary-blue: #0f2c4a;
    /* Dark Navy Blue from logo concept */
    --primary-red: #c0392b;
    /* Brick/Construction Red */
    --secondary-grey: #95a5a6;
    /* Silver/Concrete Grey */
    --light-bg: #f8f9fa;
    --dark-text: #2c3e50;
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

body {
    font-family: var(--font-body);
    color: var(--dark-text);
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Navbar */
.navbar {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

.navbar-brand img {
    height: 70px;
    /* Prominent Logo */
    width: auto;
}

.nav-link {
    font-weight: 600;
    color: var(--primary-blue) !important;
    text-transform: uppercase;
    margin-left: 1.5rem;
    position: relative;
    transition: all 0.3s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-red) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-red);
    transition: width 0.3s;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(15, 44, 74, 0.8), rgba(15, 44, 74, 0.8)), url('../img/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 150px 0;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    animation: fadeInDown 1s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.3s;
    animation-fill-mode: both;
}

.btn-custom {
    background-color: var(--primary-red);
    color: white;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 0;
    text-transform: uppercase;
    transition: all 0.3s;
}

.btn-custom:hover {
    background-color: #a93226;
    color: white;
    transform: translateY(-2px);
}

/* Section Headings */
.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-red);
}

/* Project Card */
.project-card {
    border: none;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.project-img-wrapper {
    height: 250px;
    overflow: hidden;
    position: relative;
}

.project-img-wrapper img {
    filter: grayscale(100%);
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s;
}

.project-card:hover .project-img-wrapper img {
    filter: grayscale(0%);
    transform: scale(1.1);
}

.project-card-body {
    padding: 1.5rem;
    background: white;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.project-card:hover .project-card-body {
    border-bottom-color: var(--primary-red);
}

/* Footer */
footer {
    background-color: var(--primary-blue);
    color: white;
    padding: 60px 0 20px;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: inline-block;
    color: white;
    text-decoration: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}