/* Variables for colors - making it easy to switch themes */
:root {
    /* Dark Theme */
    --primary-bg: #1a1a2e; /* Deep blue/purple */
    --secondary-bg: #16213e; /* Slightly lighter */
    --card-bg: #0f3460;
    --text-color: #e0e0e0;
    --heading-color: #ffffff;
    --accent-color: #e94560; /* A vibrant red/pink */
    --link-color: #b0e0e6; /* Light blue */
    --border-color: #3e4d6d;
    --input-bg: #2b3b5c;
    --input-border: #4a5a7d;
}

/* Light Theme Variables - will be applied when 'light-theme' class is active */
body.light-theme {
    --primary-bg: #f4f7f6; /* Light grey/off-white */
    --secondary-bg: #ffffff;
    --card-bg: #e0e6ec;
    --text-color: #333333;
    --heading-color: #222222;
    --accent-color: #007bff; /* A standard blue */
    --link-color: #0056b3;
    --border-color: #d1d9e6;
    --input-bg: #ffffff;
    --input-border: #cccccc;
}

/* General Body Styling */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: var(--primary-bg);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header and Navigation */
header {
    background-color: var(--secondary-bg);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8em;
    font-weight: bold;
    color: var(--heading-color);
}

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    padding: 5px 0;
    position: relative;
    transition: color 0.3s ease;
}

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

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a:hover {
    color: var(--accent-color);
}


/* Theme Switch Toggle */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
}

.theme-switch {
    position: relative;
    display: inline-block;
    width: 45px;
    height: 25px;
    margin-right: 10px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--card-bg); /* Darker background for the switch itself */
    transition: .4s;
    border-radius: 25px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 17px;
    width: 17px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--accent-color); /* Accent color when checked */
}

input:focus + .slider {
    box-shadow: 0 0 1px var(--accent-color);
}

input:checked + .slider:before {
    transform: translateX(20px);
}

.theme-switch-wrapper span {
    font-size: 0.9em;
    color: var(--text-color);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-bg), var(--secondary-bg));
    padding: 100px 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.hero-text h1 {
    font-size: 3.5em;
    margin-bottom: 10px;
    color: var(--heading-color);
    animation: fadeInDown 1s ease-out;
}

.hero-text p {
    font-size: 1.2em;
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto 20px auto;
}

.hero-text .animated-text {
    font-weight: 600;
    color: var(--accent-color);
    min-height: 1.5em; /* Ensure space for the animation */
    display: inline-block;
}

.hero-image img {
    max-width: 300px;
    border-radius: 50%;
    border: 5px solid var(--accent-color);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    animation: zoomIn 1s ease-out;
}

.social-links {
    margin-top: 20px;
}

.social-links a {
    color: var(--link-color);
    font-size: 1.8em;
    margin: 0 15px;
    transition: color 0.3s ease, transform 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-5px);
}

/* General Section Styling */
.section {
    padding: 80px 0;
    background-color: var(--secondary-bg);
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.section:nth-of-type(even) {
    background-color: var(--card-bg); /* Alternate background for sections */
}

.section h2 {
    font-size: 2.5em;
    color: var(--heading-color);
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -15px;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

/* Education & Experience Items */
.education-item, .experience-item {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.education-item:hover, .experience-item:hover, .project-item:hover, .certificate-item:hover {
    transform: translateY(-5px);
}

.education-item h3, .experience-item h3 {
    color: var(--heading-color);
    margin-top: 0;
    margin-bottom: 10px;
}

.duration {
    color: var(--link-color);
    font-style: italic;
    margin-bottom: 15px;
    display: block;
}

.education-item ul, .experience-item ul {
    list-style: disc;
    margin-left: 20px;
    color: var(--text-color);
}

/* Grids for Certificates, Projects, Blogs, YouTube */
.certificate-grid, .project-grid, .blog-grid, .youtube-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.certificate-item, .project-item, .blog-post-item, .youtube-video-item {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s ease;
}

.project-item h3, .certificate-item h3, .blog-post-item h3, .youtube-video-item h3 {
    color: var(--heading-color);
    margin-top: 0;
    margin-bottom: 15px;
}

.project-item p, .certificate-item p, .blog-post-item p {
    font-size: 0.95em;
    line-height: 1.5;
    margin-bottom: 15px;
    flex-grow: 1; /* Allow content to grow */
}

.project-links a, .certificate-item a {
    color: var(--link-color);
    text-decoration: none;
    margin-right: 15px;
    transition: color 0.3s ease;
}

.project-links a:hover, .certificate-item a:hover {
    color: var(--accent-color);
}

.youtube-video-item iframe {
    width: 100%;
    aspect-ratio: 16/9; /* Maintain aspect ratio */
    border-radius: 5px;
    margin-bottom: 15px;
}
/* Experience_links */
.experience_link {
    
    color: var(--text-color);
}
/* Buttons */
.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--text-color);
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    margin-top: 20px;
    font-weight: 500;
    transition: background-color 0.3s ease, transform 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: darken(var(--accent-color), 10%); /* Adjust based on your accent color */
    transform: translateY(-2px);
}

/* Contact Form */
#contact-form {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 8px;
    max-width: 700px;
    margin: 0 auto;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--heading-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--input-border);
    border-radius: 5px;
    background-color: var(--input-bg);
    color: var(--text-color);
    font-size: 1em;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(var(--accent-color-rgb), 0.3); /* Assuming you define accent-color-rgb */
}

#form-status {
    margin-top: 20px;
    text-align: center;
    font-weight: bold;
}

/* Footer */
footer {
    background-color: var(--primary-bg);
    color: var(--text-color);
    text-align: center;
    padding: 25px 0;
    margin-top: 50px;
    border-top: 1px solid var(--border-color);
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 2.5em;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .nav-links {
        display: none; /* Hide for mobile, you'd implement a hamburger menu */
    }

    header .container {
        flex-direction: column;
        gap: 15px;
    }

    .logo {
        margin-bottom: 10px;
    }

    .theme-switch-wrapper {
        margin-top: 10px;
    }

    .certificate-grid, .project-grid, .blog-grid, .youtube-grid {
        grid-template-columns: 1fr;
    }
}
/* ... (previous CSS code) ... */

/* General Section Styling */
.section {
    padding: 80px 0;
    background-color: var(--secondary-bg);
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.section:nth-of-type(even) {
    background-color: var(--card-bg); /* Alternate background for sections */
}

.section h2 {
    font-size: 2.5em;
    color: var(--heading-color);
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -15px;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

/* Education & Experience Items (these remain vertical for better readability) */
.education-item, .experience-item {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.education-item:hover, .experience-item:hover {
    transform: translateY(-5px);
}

.education-item h3, .experience-item h3 {
    color: var(--heading-color);
    margin-top: 0;
    margin-bottom: 10px;
}

.duration {
    color: var(--link-color);
    font-style: italic;
    margin-bottom: 15px;
    display: block;
}

.education-item ul, .experience-item ul {
    list-style: disc;
    margin-left: 20px;
    color: var(--text-color);
}

/* --- Horizontal Carousel/Grid Styling --- */
.carousel-container {
    display: flex; /* Use flexbox for horizontal alignment */
    overflow-x: auto; /* Enable horizontal scrolling */
    gap: 30px; /* Space between cards */
    padding-bottom: 20px; /* Space for scrollbar */
    margin-top: 30px;
    /* Hide scrollbar for WebKit browsers */
    -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

/* Hide scrollbar for WebKit browsers (Chrome, Safari) */
.carousel-container::-webkit-scrollbar {
    display: none;
}

/* Custom Scrollbar for other browsers if desired (optional) */
/* .carousel-container::-webkit-scrollbar {
    height: 8px;
}
.carousel-container::-webkit-scrollbar-track {
    background: var(--secondary-bg);
    border-radius: 10px;
}
.carousel-container::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 10px;
}
.carousel-container::-webkit-scrollbar-thumb:hover {
    background: darken(var(--accent-color), 10%);
} */


.certificate-item, .project-item, .blog-post-item, .youtube-video-item {
    flex: 0 0 320px; /* Prevent cards from shrinking, give a fixed width */
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s ease;
    cursor: pointer; /* Indicate it's interactive/clickable */
}

.certificate-item:hover, .project-item:hover, .blog-post-item:hover, .youtube-video-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.project-item h3, .certificate-item h3, .blog-post-item h3, .youtube-video-item h3 {
    color: var(--heading-color);
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.project-item p, .certificate-item p, .blog-post-item p {
    font-size: 0.95em;
    line-height: 1.5;
    margin-bottom: 15px;
    flex-grow: 1; /* Allow content to grow */
    color: var(--text-color);
}

.project-links, .certificate-links, .blog-links {
    margin-top: auto; /* Push links to the bottom */
    display: flex;
    flex-wrap: wrap; /* Allow links to wrap if many */
    gap: 10px;
}

.project-links a, .certificate-item a, .blog-post-item a.btn {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.3s ease;
    white-space: nowrap; /* Keep links from breaking oddly */
}

.project-links a:hover, .certificate-item a:hover, .blog-post-item a.btn:hover {
    color: var(--accent-color);
}

.youtube-video-item iframe {
    width: 100%;
    aspect-ratio: 16/9; /* Maintain aspect ratio */
    border-radius: 5px;
    margin-bottom: 15px;
}

/* Ensure the `Read More` button looks good inside blog posts */
.blog-post-item a.btn {
    margin-top: 15px;
    align-self: flex-start; /* Align button to start if card is flex-column */
    padding: 8px 15px;
    font-size: 0.9em;
}


/* ... (rest of the CSS code, Contact Form, Footer, Animations, Responsive Design) ... */

/* Adjust responsive design for carousels */
@media (max-width: 768px) {
    /* ... (previous responsive styles) ... */

    .certificate-item, .project-item, .blog-post-item, .youtube-video-item {
        flex: 0 0 90%; /* On smaller screens, make cards wider but still scrollable */
        margin-right: 15px; /* Adjust spacing */
    }

    .carousel-container {
        padding-left: 20px; /* Add some padding so the first card isn't against the edge */
        padding-right: 20px;
    }
}


/* --- Horizontal Carousel/Grid Styling --- */

/* New wrapper for buttons */
.carousel-wrapper {
    position: relative; /* Crucial for positioning nav buttons */
    margin-top: 30px;
}

.carousel-container {
    display: flex;
    overflow-x: auto;
    gap: 30px;
    padding-bottom: 20px;
    /* Hide scrollbar for WebKit browsers */
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

/* Hide scrollbar for WebKit browsers (Chrome, Safari) */
.carousel-container::-webkit-scrollbar {
    display: none;
}

/* Carousel Navigation Buttons */
.carousel-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%); /* Vertically center the button */
    background-color: rgba(0, 0, 0, 0.6); /* Semi-transparent background */
    color: white;
    border: none;
    padding: 10px 15px;
    font-size: 1.5em;
    cursor: pointer;
    z-index: 10; /* Ensure buttons are above carousel items */
    border-radius: 5px;
    transition: background-color 0.3s ease, transform 0.3s ease;
    line-height: 1; /* Adjust line height for better arrow centering */
}

.carousel-nav-btn:hover {
    background-color: rgba(0, 0, 0, 0.8);
    transform: translateY(-50%) scale(1.05);
}

.carousel-nav-btn.prev-btn {
    left: 0px; /* Position on the left edge of the wrapper */
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.carousel-nav-btn.next-btn {
    right: 0px; /* Position on the right edge of the wrapper */
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

/* Ensure buttons are visible over content in light theme */
body.light-theme .carousel-nav-btn {
    background-color: rgba(0, 0, 0, 0.4);
    color: white;
}

body.light-theme .carousel-nav-btn:hover {
    background-color: rgba(0, 0, 0, 0.6);
}


.certificate-item, .project-item, .blog-post-item, .youtube-video-item {
    flex: 0 0 320px;
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

/* ... (rest of the CSS code) ... */

/* Adjust responsive design for carousels and buttons */
@media (max-width: 768px) {
    /* ... (previous responsive styles) ... */

    .carousel-item {
        flex: 0 0 90%;
        margin-right: 15px;
    }

    .carousel-container {
        padding-left: 20px;
        padding-right: 20px;
        scroll-snap-type: x mandatory; /* Optional: for snapping effect on mobile */
    }
    .carousel-item {
        scroll-snap-align: start; /* Optional: for snapping effect on mobile */
    }

    /* Hide buttons on very small screens if they obstruct content */
    .carousel-nav-btn {
        padding: 5px 10px;
        font-size: 1.2em;
        /* You might consider hiding them completely on very small screens or repositioning */
        /* display: none; */
    }
}