:root {
    --bg-color: #ffffff;
    --text-color: #212529;
    --secondary-text: #6c757d;
    --card-bg: #f8f9fa;
    --primary-color: #0d6efd;
    --nav-bg: rgba(255, 255, 255, 0.95);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-color: #0b0b0b;       
    --text-color: #ffffff;    
    --secondary-text: #ced4da; 
    --card-bg: #1a1a1a;       
    --nav-bg: rgba(11, 11, 11, 0.95);
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
    line-height: 1.6;
}

.navbar {
    background-color: var(--nav-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

[data-theme="dark"] .navbar {
    border-bottom: 1px solid #333;
}

.navbar-brand {
    color: var(--text-color) !important;
    font-weight: 700;
}

[data-theme="dark"] .navbar-brand {
    color: #ffffff !important;
}

.nav-link {
    color: var(--text-color) !important;
}

.hero-img {
    border: 8px solid var(--card-bg);
    transition: var(--transition);
    object-fit: cover;
}


.card-style, .project-card {
    background-color: var(--card-bg) !important;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 16px;
    padding: 2rem;
    height: 100%;
    transition: var(--transition);
    opacity: 1 !important; 
}

[data-theme="dark"] .card-style, 
[data-theme="dark"] .project-card {
    border: 1px solid #333 !important;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.card-style:hover, .project-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

[data-theme="dark"] .project-card h5,
[data-theme="dark"] .card-style h5 {
    color: #ffffff !important; 
    font-weight: 700 !important;
}

[data-theme="dark"] .project-card p,
[data-theme="dark"] .card-style p,
[data-theme="dark"] .text-muted {
    color: var(--secondary-text) !important; 
    opacity: 1 !important;
}

.btn-custom-outline {
    color: var(--text-color) !important;
    border: 2px solid var(--secondary-text) !important;
    font-weight: 600;
    transition: var(--transition);
}

[data-theme="dark"] .btn-outline-dark,
[data-theme="dark"] .btn-custom-outline {
    color: #ffffff !important;
    border-color: #ffffff !important;
}

.btn-custom-outline:hover, 
[data-theme="dark"] .btn-outline-dark:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color) !important;
    color: white !important;
}

#theme-toggle i {
    color: var(--text-color);
    font-size: 1.2rem;
}


.bg-light-section {
    background-color: var(--card-bg);
}