/* CSS Variables for theming */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #fff;
    --text-light: #fff;
    --bg-color: #22232a;
    ;
    --bg-secondary: #11111b;
    --border-color: #e9ecef;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --nav-bg: #11111b;
    --sidebar-bg: #11111b;
    --card-bg: #11111b;
    --link-color: #89b4fa;
    --link-hover: #89b4fa;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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-color: var(--bg-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--text-color);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.25rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-color);
}

a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #9399b2;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    gap: 2rem;
}

/* Navigation */    
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    /* border-bottom: 1px solid var(--border-color); */
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 0 0.4rem 0.25rem rgba(147, 153, 178, 0.5);
}

.nav-line {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;

    width: 100%;
    height: 1px;
    background-color: #9399b2;
    box-sizing: border-box;
    z-index: 100;

}

.nav-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: conic-gradient(#fff, #9399b2, #fff);
    z-index: 101;
    transform-origin: left;
    animation: animate 4s linear infinite;
}

@keyframes animate {
    0%,20% {
        transform: scaleX(0);
    }
    40% {
        transform: scaleX(1);
        transform-origin: left;
    }
    40.0000001%, 60% {
        transform: scaleX(1);
        transform-origin: right;
    }
    80%,100% {
        transform: scaleX(0);
        transform-origin: right;
    }

}


.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

    
.nav::before {
    filter: blur(0.5rem);
}

.nav-logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 6px;
}

.nav-link:hover {
    color: #9399b2;
    background-color: none;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background-color: #000;
    transform: scale(1.0);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Main Content */
.main-content {
    margin-top: 70px;
    min-height: calc(100vh - 70px);
    padding: 2rem 0;
}

/* Sidebar */
.sidebar {
    width: 300px;
    flex-shrink: 0;
    position: sticky;
    top: 90px;
    height: fit-content;
    background: var(--sidebar-bg);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px var(--shadow-color);
    transition: all 0.3s ease;
}


/* profile picture */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}


.author-profile {
    text-align: center;
}

.author-avatar {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}


.profile-container {
    --size: 150px;
    position: relative;
    width: var(--size);
    height: var(--size);
    border-radius: 50%;
    box-shadow: 0 0 1rem 0.5rem rgba(147, 153, 178, 0.5);
    background: conic-gradient(from var(--angle), #fff, #9399b2, #fff, #9399b2, #fff);
    background-size: 200% 200%;
    animation: spin 4s linear infinite;
    /* animation: spin 4s linear infinite, gradientShift 3s ease-in-out infinite; */
    padding: 3px;
}


.profile-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: block;
    object-fit: cover;
    background-color: #fff;
    box-sizing: border-box;
}

.author-name {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.author-bio {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.author-school {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.author-links {
    margin-top: 1.5rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.btn-primary {
    background-color: var(--secondary-color);
    color: white;
    width: 100%;
}

.btn-primary:hover {
    background-color: conic-gradient(#fff, #9399b2, #fff);
    transform: translateY(-2px);
}

.social-links {
    list-style: none;
    text-align: left;
}

.social-links li {
    margin-bottom: 0.75rem;
}

.social-links a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-color);
    padding: 0.5rem;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--bg-secondary);
    color: #9399b2;
    transform: translateX(5px);
}

.social-links i {
    width: 20px;
    text-align: center;
}

/* Content Area */
.content-area {
    flex: 1;
    max-width: 800px;
}


hr {
    border: none; 
    height: 1px;
    background: conic-gradient(#fff, #9399b2, #fff);
    margin: 2rem 0;
}

.section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px var(--shadow-color);
    transition: all 0.3s ease;
}

.section:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px var(--shadow-color);
}

.bio-content {
    line-height: 1.8;
}





/* project section */

@property --angle{
    syntax: "<angle>";
    initial-value: 20deg;
    inherits: true;
}

.card {
    margin: 0 auto;
    padding: 2em;
    width: 300px;
    background: #1c1f2b;
    text-align: center;
    border-radius: 10px;
    position: relative;
}

.card::after, .card::before {
    content: '';
    position: absolute;
    height: 100%;
    width: 100%;
    /* background: var(--sidebar-bg); */
    --angle: 0deg;
    background-image: conic-gradient(from var(--angle), #fff, #9399b2, #fff);
    top: 50%;
    left: 50%;
    translate: -50% -50%;
    z-index: -1;    
    padding: 3px;
    border-radius: 10px;
    animation: 3s spin linear infinite;
}


.card::before {
    filter: blur(0.5rem);
}

@keyframes spin {
    from {
        --angle: 0deg;
    }
    to {
        --angle: 360deg;
    }
}







.projects-list {
    display: flex;
    flex-direction: column;
    /* gap: 1.0rem; */
}

.project-container {
    position: relative;
    border-radius: 25%;

    box-shadow: 0 0 1rem 0.5rem rgba(147, 153, 178, 0.5);

}

.project-container::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: conic-gradient(#fff, #9399b2, #fff);

    border-radius: 25%;

    animation: spin 4s linear infinite;

    z-index: 0;
}

.project-container::after {
    content: '';
    position: absolute;
    inset: 3px;
    background-color: #fff;
    border-radius: 25%;
    z-index: 1;
}


/* .project-border {

} */
ul
{
    list-style-type: none;
}

 .project-item {
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 25px;
} 

.project-item-border:hover {
    padding: 0.15rem;
    /* opacity: 0.8; */
    border-radius: 25px;
    background: conic-gradient(from var(--angle),  #fff, #9399b2, #fff);
    animation: spin 4s linear infinite;    
    box-shadow: 0 0 1rem 0.5rem rgba(147, 153, 178, 0.5);
}

.project-item h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

/* Portfolio */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px var(--shadow-color);
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px var(--shadow-color);
}

.portfolio-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.05);
}

.portfolio-content {
    padding: 1.5rem;
}

.portfolio-content h3 {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.portfolio-content p {
    color: var(--text-light);
    margin-bottom: 0;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
}

.footer p {
    color: var(--text-light);
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        flex-direction: column;
        gap: 1rem;
    }

    .sidebar {
        width: 100%;
        position: static;
        order: 2;
    }

    .content-area {
        order: 1;
    }

    .profile-container {
        --size: 140px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--nav-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px var(--shadow-color);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

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

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .container {
        padding: 0 15px;
    }

    .section {
        padding: 1.5rem;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .profile-container {
        --size: 130px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 15px;
    }

    .nav-logo a {
        font-size: 1.25rem;
    }

    .section {
        padding: 1rem;
    }

    .sidebar {
        padding: 1.5rem;
    }

    .profile-container {
        --size: 120px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0.5;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section {
    animation: fadeIn 0.6s ease-out;
}

/* Smooth scrolling for anchor links */
html {
    scroll-padding-top: 100px;
}

/* Focus styles for accessibility */
a:focus,
button:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Print styles */
@media print {

    .navbar,
    .sidebar,
    .footer {
        display: none;
    }

    .main-content {
        margin-top: 0;
    }

    .container {
        flex-direction: column;
    }

    .content-area {
        max-width: none;
    }
}
.compact-list li {
    margin-bottom: 5px; 
}