:root {
    --bg-color: #ffffff;
    --text-color: #1d1d1f;
    --accent-color: #007aff;
    --section-bg: #f5f5f7;
    --border-color: #d1d1d6;
    --link-color: #007aff;
    --link-hover: #0051cc;
    --card-bg: rgba(255, 255, 255, 0.8);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-color: #000000;
    --text-color: #f5f5f7;
    --accent-color: #0a84ff;
    --section-bg: #1c1c1e;
    --border-color: #38383a;
    --link-color: #0a84ff;
    --link-hover: #5ac8fa;
    --card-bg: rgba(28, 28, 30, 0.8);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --accent-color: #4dabf7;
    --section-bg: #2d2d2d;
    --border-color: #404040;
    --link-color: #4dabf7;
    --link-hover: #339af0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--section-bg) 100%);
    transition: background-color 0.3s, color 0.3s;
    min-height: 100vh;
}

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

header {
    background-color: var(--section-bg);
    padding: 0.5rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(var(--section-bg), 0.9);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 2rem;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s, transform 0.2s;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.nav-menu a.active {
    font-weight: bold;
    color: var(--accent-color);
}

.nav-menu a:hover {
    color: var(--accent-color);
    background-color: rgba(0, 123, 172, 0.1);
    transform: translateY(-2px);
}

h1 {
    color: var(--accent-color);
    font-size: 1.8rem;
}

#theme-toggle {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 0.75rem;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(0, 122, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

#theme-toggle:hover {
    background: var(--link-hover);
    transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(0, 122, 255, 0.4);
}

#theme-toggle:hover {
    background: var(--link-hover);
}

.section {
    padding: 1rem 0 2rem 0;
    margin: 2rem 0;
}



h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--accent-color);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

#profile-pic {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--accent-color);
}

.about-text {
    flex: 1;
}

#about-name {
    font-size: 1.5em;
    font-weight: bold;
    margin-bottom: 0;
}

.location {
    opacity: 0.7;
    font-size: 0.9em;
    margin-top: 0;
    margin-bottom: 1rem;
}

.experience-item, .work-item, .education-item, .blog-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    transition: transform 0.2s, box-shadow 0.2s;
}

.experience-item:hover, .work-item:hover, .education-item:hover, .blog-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.experience-item h3, .work-item h3, .education-item h3, .blog-item h3 {
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.experience-description {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.experience-description li {
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.work-item .technologies {
    margin-top: 0.5rem;
    font-style: italic;
    color: var(--text-color);
    opacity: 0.8;
}

.blog-date {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.7;
    margin-bottom: 1rem;
}

.blog-description {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.read-more {
    display: inline-block;
    color: var(--link-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.read-more:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

.back-link {
    display: inline-block;
    margin-bottom: 2rem;
    color: var(--link-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

.blog-content {
    line-height: 1.7;
}

/* More About Me Section */
.more-about-content {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    transition: transform 0.2s, box-shadow 0.2s;
}

.more-about-content:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.more-about-content p {
    line-height: 1.7;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.more-about-content p:last-child {
    margin-bottom: 0;
}

.blog-content h1, .blog-content h2, .blog-content h3 {
    color: var(--accent-color);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    text-align: left;
}

.blog-content p {
    margin-bottom: 1rem;
}

.blog-content ul, .blog-content ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.blog-content li {
    margin-bottom: 0.5rem;
}

#blog-detail h1 {
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    font-size: 2.5rem;
    text-align: left;
}

.projects-toggle {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    transition: all 0.3s;
}

.projects-toggle:hover {
    background: var(--link-hover);
    transform: translateY(-1px);
}

.toggle-icon {
    font-size: 0.8rem;
    transition: transform 0.3s;
}

.projects-container {
    margin-top: 1rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-in-out;
}

.projects-container:not(.collapsed) {
    max-height: 1000px; /* Adjust based on content */
}

.project-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.75rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
    transition: transform 0.2s;
}

.project-item:hover {
    transform: translateY(-2px);
}

.project-item h5 {
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.project-item .technologies {
    margin-top: 0.5rem;
    font-style: italic;
    color: var(--text-color);
    opacity: 0.8;
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.social-links a {
    color: var(--link-color);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

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

footer {
    padding: 1rem 0;
    text-align: center;
    margin-top: 2rem;
}

footer h3 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        position: relative;
        margin: 0;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--card-bg);
        backdrop-filter: blur(20px);
        border-radius: 12px;
        padding: 1rem;
        box-shadow: var(--shadow);
        gap: 1rem;
    }

    .nav-menu.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -5px);
    }

    h1 {
        font-size: 1.5rem;
    }

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

    #profile-pic {
        width: 150px;
        height: 150px;
    }

    .social-links {
        flex-direction: column;
        gap: 1rem;
    }

    h2 {
        font-size: 2rem;
    }

    .more-about-content {
        padding: 1.5rem;
    }

    .more-about-content p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }

    .section {
        padding: 1rem 0;
    }

    h2 {
        font-size: 1.8rem;
    }

    .experience-item, .work-item, .education-item, .blog-item {
        padding: 0.75rem;
    }

    .more-about-content {
        padding: 1rem;
    }
}