/* --- Custom Properties (Variables) --- */
:root {
    --primary-color: #ff8c00; /* Dark Orange */
    --secondary-color: #0d6efd; 
    --bg-color: #121212;
    --surface-color: #1e1e1e;
    --text-color: #e0e0e0;
    --heading-color: #ffffff;
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Roboto Slab', serif;
}

/* --- Global Styles --- */
body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-primary);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--heading-color);
    font-family: var(--font-secondary);
    font-weight: 700;
}

/* --- Navbar --- */
.navbar {
    background-color: rgba(30, 30, 30, 0.85);
    backdrop-filter: blur(10px);
}
.navbar .navbar-brand {
    font-family: var(--font-secondary);
    font-weight: 700;
    color: var(--primary-color);
}
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 600;
}
.btn-primary:hover {
    background-color: #e67e00;
    border-color: #e67e00;
}

/* --- Page Hero --- */
.page-hero {
    padding-top: 150px;
    padding-bottom: 80px;
    background: linear-gradient(rgba(18, 18, 18, 0.8), rgba(18, 18, 18, 0.8)), url('your-bg.jpg');
    background-size: cover;
    border-bottom: 2px solid var(--primary-color);
}
.page-hero h1 {
    font-size: 3.5rem;
}

/* --- Filter Buttons --- */
.filter-btn {
    background-color: transparent;
    border: 2px solid var(--surface-color);
    color: var(--text-color);
    margin: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
}
.filter-btn:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--heading-color);
}
.filter-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--heading-color);
    box-shadow: 0 0 15px rgba(255, 140, 0, 0.5);
}

/* --- Project Card --- */
.project-card {
    background: rgba(30, 30, 30, 0.6); /* Glass effect */
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease-in-out;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: var(--primary-color);
}

.project-card .card-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.project-card .card-text {
    font-size: 0.95rem;
    line-height: 1.6;
    flex-grow: 1; /* Pushes the links to the bottom */
}

.project-card .card-links {
    margin-top: 20px;
}

.project-card .btn-card {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    padding: 8px 15px;
    border: 1px solid var(--text-color);
    border-radius: 5px;
    margin-right: 10px;
    transition: all 0.3s ease;
}

.project-card .btn-card:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--heading-color);
}
.project-card .btn-card i {
    margin-right: 8px;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .page-hero {
        padding-top: 120px;
        padding-bottom: 60px;
    }
    .page-hero h1 {
        font-size: 2.5rem;
    }
}