:root {
    --primary-color: #1a1a1a;
    --secondary-color: #0d0d0d;
    --accent-color: #4d9bff;
    --dark-bg: #000000;
    --darker-bg: #000000;
    --text-light: #ffffff;
    --text-muted: #b3b3b3;
    --text-dark: #ffffff;
    --border-radius: 0.25rem;
    --box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.5);
    --transition: all 0.3s ease;
    --btn-color: #1a1a1a;
    --border-color: #333333;
    --hover-color: #4d9bff;
}

/* Base Styles */
body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    transition: var(--transition);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--dark-bg);
    color: var(--text-light);
}

.main-content {
    flex: 1;
}

/* Header & Navigation */
.navbar {
    box-shadow: var(--box-shadow);
    background-color: var(--darker-bg) !important;
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--text-light) !important;
}

.navbar-dark .navbar-nav .nav-link {
    color: var(--text-muted);
    transition: var(--transition);
}

.navbar-dark .navbar-nav .nav-link:hover, 
.navbar-dark .navbar-nav .nav-link.active {
    color: var(--text-light);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.95) 0%, rgba(0, 0, 0, 1) 100%);
    border-bottom: 1px solid var(--border-color);
}

.hero-img {
    border-radius: 50%;
    border: 4px solid var(--border-color);
    max-width: 250px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.8);
    filter: grayscale(80%);
    transition: var(--transition);
}

.hero-img:hover {
    filter: grayscale(0%);
    transform: scale(1.05);
    border-color: var(--accent-color);
}

.hero-title {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-light);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* About Section */
.about-section {
    padding: 5rem 0;
    background-color: var(--darker-bg);
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    position: relative;
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    font-weight: 600;
    color: var(--text-light);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.section-title:hover::after {
    width: 100px;
}

/* Experience & Projects */
.experience-item, .project-card, .org-card {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.experience-item:hover, .project-card:hover, .org-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
}

.project-img {
    height: 200px;
    object-fit: cover;
    border-top-left-radius: var(--border-radius);
    border-top-right-radius: var(--border-radius);
    filter: grayscale(70%);
    transition: var(--transition);
}

.project-card:hover .project-img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.project-title {
    font-weight: 600;
    margin-top: 1rem;
    color: var(--text-light);
}

.project-date, .org-date {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.tech-badge {
    background-color: rgba(40, 40, 40, 0.6);
    color: var(--text-light);
    border-radius: 50px;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    display: inline-block;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.tech-badge:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
}

/* Project Detail */
.project-detail-img {
    max-height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    filter: grayscale(60%);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

.project-detail-img:hover {
    filter: grayscale(0%);
    transform: scale(1.02);
    border-color: var(--accent-color);
}

/* Contact Form */
.contact-form {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.contact-form:hover {
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
    border-color: var(--accent-color);
}

.contact-form .form-control {
    background-color: var(--dark-bg);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    transition: var(--transition);
    padding: 0.8rem;
}

.contact-form .form-control:focus {
    background-color: var(--dark-bg);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.25rem rgba(68, 68, 68, 0.25);
    color: var(--text-light);
}

.contact-form label {
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.contact-info {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    height: 100%;
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.contact-info:hover {
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
    border-color: var(--accent-color);
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--accent-color);
    color: var(--text-light);
    font-size: 1.2rem;
    margin-right: 1rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
}

.contact-icon:hover {
    transform: scale(1.1) rotate(5deg);
    background-color: var(--hover-color);
}

/* Footer */
.footer {
    background-color: var(--darker-bg);
    color: var(--text-light);
    border-top: 1px solid var(--border-color);
    padding: 2.5rem 0;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    color: var(--text-light);
    margin-left: 0.5rem;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.social-icon:hover {
    background-color: var(--accent-color);
    color: white;
    transform: translateY(-3px) rotate(8deg);
    border-color: var(--hover-color);
}

/* Progress Bars */
.progress {
    height: 8px;
    background-color: #1a1a1a;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3);
    margin-top: 5px;
}

.progress-bar {
    background-color: var(--accent-color);
    background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    from { background-position: 20px 0; }
    to { background-position: 0 0; }
}

/* Timeline */
.timeline {
    position: relative;
    padding: 0;
    list-style: none;
}

.timeline:before {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 40px;
    width: 2px;
    margin-left: -1.5px;
    content: '';
    background-color: var(--accent-color);
    box-shadow: 0 0 8px rgba(77, 155, 255, 0.5);
}

.timeline > li {
    position: relative;
    min-height: 50px;
    margin-bottom: 50px;
}

.timeline > li:after, .timeline > li:before {
    display: table;
    content: ' ';
}

.timeline > li:after {
    clear: both;
}

.timeline > li .timeline-panel {
    position: relative;
    float: right;
    width: calc(100% - 90px);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.timeline > li .timeline-panel:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
    border-color: var(--accent-color);
}

.timeline > li .timeline-image {
    position: absolute;
    left: 0;
    width: 70px;
    height: 70px;
    margin-left: 0;
    text-align: center;
    color: var(--text-light);
    border-radius: 100%;
    background-color: var(--dark-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.timeline > li:hover .timeline-image {
    transform: scale(1.1) rotate(10deg);
    border-color: var(--accent-color);
    background-color: var(--accent-color);
}

.timeline > li.timeline-inverted > .timeline-panel {
    float: right;
}

.timeline-heading h4 {
    margin-top: 0;
    font-weight: 600;
    color: var(--text-light);
}

.timeline-heading h5 {
    color: var(--text-muted);
}

.timeline-body > p {
    margin-bottom: 0;
    color: var(--text-muted);
}

/* Deployment Guide */
.deploy-step {
    border-left: 3px solid var(--accent-color);
    padding-left: 2rem;
    margin-bottom: 2.5rem;
    position: relative;
    transition: var(--transition);
}

.deploy-step:hover {
    border-left-width: 5px;
}

.deploy-step:before {
    content: "";
    position: absolute;
    left: -12px;
    top: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--secondary-color);
    border: 2px solid var(--accent-color);
    transition: var(--transition);
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.3);
}

.deploy-step:hover:before {
    transform: scale(1.2);
    background-color: var(--accent-color);
}

.deploy-step h4 {
    margin-bottom: 1rem;
    color: var(--text-light);
    font-weight: 600;
}

code {
    background-color: var(--darker-bg);
    padding: 0.3rem 0.5rem;
    border-radius: 0.25rem;
    color: var(--text-light);
    border: 1px solid var(--border-color);
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    transition: var(--transition);
}

code:hover {
    background-color: var(--accent-color);
}

.code-block {
    background-color: var(--darker-bg);
    border-radius: 0.25rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    overflow-x: auto;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.5);
    transition: var(--transition);
}

.code-block:hover {
    border-color: var(--accent-color);
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.8);
}

/* Accordion Styles */
.accordion-item {
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    margin-bottom: 0.8rem;
    border-radius: var(--border-radius) !important;
    overflow: hidden;
    transition: var(--transition);
}

.accordion-item:hover {
    border-color: var(--accent-color);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
    transform: translateY(-3px);
}

.accordion-button {
    background-color: var(--secondary-color);
    color: var(--text-light);
    font-weight: 500;
    box-shadow: none;
    transition: var(--transition);
    padding: 1rem 1.25rem;
}

.accordion-button:not(.collapsed) {
    background-color: var(--accent-color);
    color: var(--text-light);
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--accent-color);
}

.accordion-button::after {
    filter: invert(1);
    transition: var(--transition);
}

.accordion-body {
    background-color: var(--secondary-color);
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem;
}

/* Button styles */
.btn {
    border-radius: 0.25rem;
    padding: 0.6rem 1.5rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: all 0.5s ease;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-outline-light {
    background-color: transparent;
    color: var(--text-light);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-outline-light:hover {
    background-color: var(--secondary-color);
    color: var(--text-light);
    border-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.btn-dark {
    background-color: var(--secondary-color);
    border-color: var(--border-color);
    color: var(--text-light);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-dark:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--text-light);
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.btn-primary, .btn-primary:active, .btn-primary:focus {
    background-color: var(--secondary-color) !important;
    border-color: var(--border-color) !important;
    color: var(--text-light) !important;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2) !important;
}

.btn-primary:hover {
    background-color: var(--accent-color) !important;
    border-color: var(--accent-color) !important;
    transform: translateY(-3px) !important;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3) !important;
}

/* Card hover effects */
.card {
    transition: var(--transition);
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(77, 155, 255, 0.1), transparent);
    opacity: 0;
    transform: rotate(30deg);
    transition: var(--transition);
    z-index: -1;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.8);
    border-color: var(--accent-color);
}

.card:hover::before {
    opacity: 1;
    animation: shine 1.5s infinite;
}

@keyframes shine {
    0% {
        transform: rotate(30deg) translateX(-300px);
        opacity: 0.3;
    }
    30% {
        opacity: 0.5;
    }
    70% {
        opacity: 0.3;
    }
    100% {
        transform: rotate(30deg) translateX(300px);
        opacity: 0.1;
    }
}

.card-body {
    background-color: var(--secondary-color);
    padding: 1.8rem;
    transition: var(--transition);
}

.card-title {
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.card-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.card:hover .card-title::after {
    width: 100%;
}

.card-title i {
    transition: var(--transition);
}

.card:hover .card-title i {
    transform: scale(1.2) rotate(5deg);
    color: var(--accent-color) !important;
    text-shadow: 0 0 8px rgba(77, 155, 255, 0.4);
}

.card-text {
    color: var(--text-muted);
    margin-top: 1rem;
    transition: var(--transition);
}

.card:hover .card-text {
    color: var(--text-light);
    transform: translateY(-2px);
}

.card-footer {
    background-color: var(--secondary-color);
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.8rem;
}

/* List group styling for dark theme */
.list-group-item {
    background-color: var(--secondary-color);
    color: var(--text-light);
    border-color: var(--border-color);
    transition: var(--transition);
}

.list-group-item:hover {
    background-color: var(--accent-color);
}

/* Responsive Styles */
@media (max-width: 768px) {
    .hero {
        text-align: center;
        padding: 4rem 0;
    }
    
    .hero-img {
        margin-bottom: 2rem;
    }
    
    .section-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .timeline:before {
        left: 30px;
    }
    
    .timeline > li .timeline-image {
        width: 50px;
        height: 50px;
        left: 5px;
        margin-left: 0;
    }
    
    .timeline > li .timeline-panel {
        width: calc(100% - 65px);
        float: right;
    }
}