/* Global styles */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --bg-color: #ffffff;
    --text-color: #212529;
    --card-bg: #ffffff;
    --border-color: rgba(0,0,0,0.125);
    --section-bg-light: #f8f9fa;
    --section-heading: #212529;
}

/* Dark mode variables */
[data-bs-theme="dark"] {
    --primary-color: #3d8bfd;
    --secondary-color: #adb5bd;
    --light-color: #343a40;
    --dark-color: #e9ecef;
    --bg-color: #212529;
    --text-color: #f8f9fa;
    --card-bg: #2b3035;
    --border-color: rgba(255,255,255,0.125);
    --section-bg-light: #2b3035; /* Darker background for sections */
    --section-heading: #ffffff; /* Brighter headings for dark mode */
}

html {
    scroll-behavior: smooth; /* Enable smooth scrolling */
    scroll-padding-top: 80px; /* Offset for fixed navbar */
}

body {
    font-family: 'JetBrains Mono', monospace;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color 0.3s ease, color 0.3s ease;
    position: relative; /* Required for ScrollSpy */
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Fira Code', monospace;
    font-weight: 700;
}

/* Navbar styles */
.navbar {
    transition: all 0.3s ease;
    padding: 15px 0;
    background-color: var(--bg-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-color) !important;
    font-family: 'Fira Code', monospace;
}

.nav-link {
    color: var(--text-color) !important;
    font-weight: 500;
    margin: 0 8px;
    position: relative;
    transition: all 0.3s ease;
}

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

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

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

/* Dark mode toggle */
#darkModeToggle {
    cursor: pointer;
    background: none;
    border: none;
    color: var(--text-color);
    transition: color 0.3s ease;
    font-size: 1.2rem;
}

#darkModeToggle:hover {
    color: var(--primary-color);
}

/* Hero section */
.hero {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px; /* To account for fixed navbar */
}

[data-bs-theme="dark"] .hero {
    background: linear-gradient(135deg, #2b3035 0%, #1a1d20 100%);
}

/* Profile image styling */
.profile-image-container {
    position: relative;
    width: 250px;
    height: 250px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 50%;
    border: 5px solid var(--primary-color);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.profile-image:hover {
    transform: scale(1.05);
}

/* Section styles */
section {
    padding: 80px 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

section h2 {
    position: relative;
    padding-bottom: 15px;
    font-family: 'Fira Code', monospace;
    color: var(--section-heading); /* Use the variable for section headings */
}

section h2::after {
    content: '';
    position: absolute;
    width: 70px;
    height: 3px;
    background-color: var(--primary-color);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

/* Theme specific backgrounds */
.theme-bg-light {
    background-color: var(--section-bg-light);
}

/* Card styles */
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1) !important;
}

.card-title {
    color: var(--primary-color);
    font-family: 'Fira Code', monospace;
}

/* Button styles */
.theme-btn {
    border-color: var(--text-color);
    color: var(--text-color);
}

.theme-btn-outline {
    border-color: var(--text-color);
    color: var(--text-color);
}

/* Social links */
.social-links a {
    color: var(--text-color);
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color);
}

/* Form styles */
.form-control {
    background-color: var(--bg-color);
    border-color: var(--border-color);
    color: var(--text-color);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    background-color: var(--bg-color);
    color: var(--text-color);
}

.form-label {
    color: var(--text-color);
}

/* Footer styles */
footer {
    background-color: var(--dark-color);
    color: var(--light-color) !important;
}

/* Custom badge styles */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
}

/* Terminal-like blocks */
code, pre {
    font-family: 'JetBrains Mono', monospace;
    border-radius: 4px;
    background-color: #2d2d2d;
    color: #f8f8f2;
    padding: 0.2em 0.4em;
}

[data-bs-theme="dark"] code, 
[data-bs-theme="dark"] pre {
    background-color: #3d3d3d;
}

/* Media queries for mobile responsiveness */
@media (max-width: 767.98px) {
    .hero {
        text-align: center;
    }
    
    .navbar {
        padding: 10px 0;
    }
    
    /* Improve spacing on mobile */
    section {
        padding: 60px 0;
    }
    
    .card {
        margin-bottom: 20px;
    }
    
    .profile-image-container {
        width: 200px;
        height: 200px;
    }
}

/* Contact section styles */
.contact-info {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    text-align: center;
}

.contact-info i {
    margin-right: 8px;
    color: var(--primary-color);
}

.contact-info p {
    margin-bottom: 1rem;
}

/* Loading animation */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease-in forwards;
}

.slide-up {
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp 0.8s ease-out forwards;
}

.delayed-animation {
    animation-delay: 0.3s;
}

.double-delayed-animation {
    animation-delay: 0.6s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s;
}

.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

[data-bs-theme="dark"] .loader {
    border-color: rgba(255, 255, 255, 0.1);
    border-top-color: var(--primary-color);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 375px) {
    .navbar {
        padding: 10px 0;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    #darkModeToggle {
        margin-right: 0.5rem !important;
        padding: 0.3125rem;
        font-size: 1rem;
    }
    
    .navbar-toggler {
        padding: 0.3rem 0.6rem;
        font-size: 1rem;
    }
    
    .container {
        padding-left: 0.8rem;
        padding-right: 0.8rem;
    }
}

[data-bs-theme="dark"] .theme-btn:hover,
[data-bs-theme="dark"] .theme-btn-outline:hover {
    background-color: #fff !important;
    color: #000 !important;
    border-color: #fff !important;
}

[data-bs-theme="dark"] .theme-btn:hover svg,
[data-bs-theme="dark"] .theme-btn-outline:hover svg,
[data-bs-theme="dark"] .theme-btn:hover i,
[data-bs-theme="dark"] .theme-btn-outline:hover i {
    color: #000 !important;
    fill: #000 !important;
}