:root {
    --dark-grey: #161A20;
    --medium-grey: #202732;
    --light-grey: #313A49;
    --dark-slate: #3D3F5B;
    --medium-slate: #5A5C87;
    --light-slate: #787BA5;
    --oat-white: #EAF4FF;
    --neo-shadow-blue: #023047;
    --neo-blue: #7D82B8;
    --neo-shadow-violet: #5E548E;
    --neo-light-violet: #877DBD;
    --neo-shadow-red: #D05752;
    --neo-red: #BB3547;
    --neo-shadow-green: #337151;
    --neo-green: #469C70;
    --neo-shadow-yellow: #FFB703;
    --neo-bright-yellow: #D3C02E;
    --pink: #F48498;
    --pastel-blue: #3889bb;
    --dark-pastel-blue: #10537e;
    --neo-orange: #d68c45;
    --dark-orange: #945f2e;
    
}

body {
    background-color: var(--medium-grey) !important;
}

.text-white, .bg-dark, .navbar, .card, .modal-content {
    color: var(--oat-white) !important;
    background-color: var(--medium-grey) !important;
}

.navbar[data-bs-theme="dark"] .navbar-brand,
.navbar[data-bs-theme="dark"] .nav-link {
    color: var(--oat-white);
    margin: 0 5px;
    font-weight: bold;
    font-size: large;
    position: relative;
    transition: color 0.3s ease;
}

/* Underline animation */
.navbar[data-bs-theme="dark"] .nav-link::after {
    content: '';
    opacity: 0;
    transition: width 0.2s ease, opacity 0.2s ease;
    height: 10%;
    width: 0;
    background-color: var(--medium-slate);
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.red-text {
    color: var(--neo-red);
    font-weight: bold;
}

.green-text {
    color: var(--neo-green);
    font-weight: bold;
}

.blue-text {
    color: var(--neo-blue);
    font-weight: bold;
}

.purple-text {
    color: var(--neo-light-violet);
    font-weight: bold;
}

.yellow-text {
    color: var(--neo-bright-yellow);
    font-weight: bold;
}

.orange-text {
    color: var(--neo-orange);
    font-weight: bold;
}

.pink-text {
    color: var(--pink);
    font-weight: bold;
}

.navbar[data-bs-theme="dark"] .nav-link:hover::after {
    opacity: 1;
    width: 100%;
}

.navbar[data-bs-theme="dark"] .nav-link-about:hover {
    color: var(--neo-red);
}

.navbar[data-bs-theme="dark"] .nav-link-research:hover {
    color: var(--neo-light-violet);
}

.navbar[data-bs-theme="dark"] .nav-link-projects:hover {
    --bs-navbar-active-color: var(--neo-green);
    color: var(--neo-green);
}

.navbar[data-bs-theme="dark"] .nav-link-experience:hover {
    color: var(--neo-orange);
}

/* Active state styles for nav links */
.navbar[data-bs-theme="dark"] .nav-link-about.active {
    color: var(--neo-red) !important;
}

.navbar[data-bs-theme="dark"] .nav-link-research.active {
    color: var(--neo-light-violet) !important;
}

.navbar[data-bs-theme="dark"] .nav-link-projects.active {
    color: var(--neo-green) !important;
}

.navbar[data-bs-theme="dark"] .nav-link-experience.active {
    color: var(--neo-orange) !important;
}

/* Active colors */
.navbar[data-bs-theme="dark"] .nav-link-about[aria-current="page"] {
    color: var(--neo-red) !important;
}

.navbar[data-bs-theme="dark"] .nav-link-research[aria-current="page"] {
    color: var(--neo-light-violet) !important;
}

.navbar[data-bs-theme="dark"] .nav-link-projects[aria-current="page"] {
    color: var(--neo-green) !important;
}

.navbar[data-bs-theme="dark"] .nav-link-experience[aria-current="page"] {
    color: var(--neo-orange) !important;
}

.navbar {
    background-color: var(--medium-grey);
    color: var(--oat-white);
    padding: 15px 0;
}

[data-bs-theme=dark] .navbar-toggler {
    border: transparent;
}

[data-bs-theme=dark] .navbar-toggler-icon {
    --bs-navbar-toggler-icon-bg: url("data:image/svg+xml,%3csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 30 30%27%3e%3cpath stroke=%27rgba%28211, 192, 46, 1.55%29%27 stroke-linecap=%27round%27 stroke-miterlimit=%2710%27 stroke-width=%272%27 d=%27M4 7h22M4 15h22M4 23h22%27/%3e%3c/svg%3e");
}

.navbar[data-bs-theme=dark] {
    --bs-navbar-color: var(--oat-white);
    --bs-navbar-active-color: var(--medium-slate);
}

.navbar-text {
    color: var(--oat-white);
    font-weight: bold;
    font-size: large;
    position: relative;
}

.header-container {
    width: 75%;
    margin: 50px 0 0 0;
    padding: 100px 25px 20px;
    min-height: 100px;
    background-color: var(--medium-grey);
}

@media (min-width: 768px) {
    .header-container {
        padding: 100px 75px 20px;
    }
}

@media (min-width: 820px) {
    .header-container {
        padding: 100px 100px 20px;
    }
}

@media (min-width: 1280px) {
    .header-container {
        padding: 100px 200px 20px;
    }
}

@media (min-width: 1500px) {
    .header-container {
        padding: 100px 360px 20px;
    }
}

.header-hello {
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    padding-left: 20px;
    color: var(--oat-white);
    font-weight: bold;
    font-size: 55px;
}

.header-sub {
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    padding-left: 20px;
    color: gray;
    font-weight: bold;
    font-size: 20px;
}

.content-container {
    display: none;
    width: 75%;
    min-height: 100px;
    background-color: var(--medium-grey);
    color: var(--oat-white);
}

.content-section {
    display: none;
    padding: 100px 25px 20px;
    min-height: calc(100vh - 70px);
    color: var(--oat-white);
}

@media (min-width: 768px) {
    .content-section {
        padding: 100px 75px 20px;
    }
}

@media (min-width: 820px) {
    .content-section {
        padding: 100px 100px 20px;
    }
}

@media (min-width: 1280px) {
    .content-section {
        padding: 100px 200px 20px;
    }
}

@media (min-width: 1500px) {
    .content-section {
        padding: 100px 360px 20px;
    }
}

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

.content-section.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

.content-section a,
.about-me a,
.card a {
    color: var(--pastel-blue);
    font-weight: bold;
    text-decoration: none;
}

/* Hover state */
.content-section a:hover,
.about-me a:hover {
    color: var(--dark-pastel-blue);
    text-decoration: underline; 
}

/* Bootstrap's fade transition */
.fade:not(.show) {
    opacity: 0;
}

.section-title {
    font-weight: bold;
    font-size: 35px;
}

.about-content {
    padding-left: 30px;
    padding-right: 30px;
    overflow: hidden;
}

.about-headshot {
    float: right;
    width: 300px;
    height: 300px;
    object-fit: cover;
    border-radius: 5%;
    box-shadow: 0 10px 12px rgba(0, 0, 0, 0.15);
    margin-left: 30px;
    margin-bottom: 20px;
}

.about-text {
    font-size: 23px;
    padding: 0 5px;
}

.about-text p {
    margin-bottom: 1.5em;
}

@media (max-width: 768px) {
    .about-content {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .about-headshot {
        float: none;
        width: 100%;
        max-width: 300px;
        height: auto;
        margin: 20px auto 0 auto;
    }
    
    .about-text {
        text-align: left;
    }
}

.research-content {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 30px;
    padding-left: 30px;
    padding-right: 30px;
}

.research-text {
    flex: 1;
    min-width: 300px;
    font-size: 23px;
    padding: 0 5px;
}

.research-text p {
    margin-bottom: 1.5em;
}

/* Research Publications Styles */
.publications-content {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 0 30px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.publications-subtitle {
    color: var(--neo-green);
    margin-bottom: 20px;
    padding-left: 30px;
}

.publication-card {
    display: flex;
    border-color: var(--neo-blue);
    border-width: 2px;
    border-radius: 4px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.15);
}

.publication-card:hover {
    display: flex;
    transform: translateY(-3px);
}

.publication-card-bar {
    width: 6px;
    background-color: var(--medium-slate);
    border-radius: 4px 0 0 4px;
    flex-shrink: 0;
}

.publication-card-content {
    padding: 20px;
    flex-grow: 1;
}

.publication-links {
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    padding: 0 20px;
    min-width: 100px;
    color: var(--oat-white);
}

.publication-link {
    color: var(--oat-white)!important;
    text-decoration: none!important;
    display: flex;
    gap: 8px;
    align-items: center;
    transition: all 0.2s ease;
    font-weight: bold;
    font-size: 19px;
    padding: 4px 12px;
    border: 2px solid var(--light-slate);
    border-radius: 5px;
    background-color: var(--light-slate);

}

.publication-link:hover {
    transform: translateX(-3px);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .publication-card {
        flex-direction: column;
    }
    
    .publication-links {
        flex-direction: row;
        padding: 10px 20px;
        justify-content: space-around;
    }
    
    .publication-link {
        flex-direction: row;
        gap: 5px;
    }
}

.publication-title {
    margin-bottom: 5px;
    color: var(--heading-color);
    font-weight: 600;
}

.publication-authors {
    font-style: italic;
    margin-bottom: 5px;
    color: var(--text-secondary);
    font-size: 21px;
}

.publication-journal {
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--green);
    font-size: 19px;
}

.publication-abstract {
    margin-bottom: 15px;
    font-size: 21px;
    line-height: 1.5;
}

.publication-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.software-card {
    border: 2px solid var(--medium-slate);
}

.software-card-title {
    font-size: 500;
    color: var(--neo-blue);
}

.software-card-text {
    font-weight: normal;
    color: var(--oat-white);
}

.software-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 15px 30px;
}

.card {
    transition: all 0.3s ease;
    cursor: pointer;
    height: 100%;
    text-decoration: none !important;
    color: inherit;
}

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

.card-img-top {
    position: relative;
    transition: all 0.3s ease;
}

.card:hover .card-img-top {
    filter: brightness(0.9);
}

.card-body {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.flags {
    display: flex;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 15px;
    gap: 8px;
}

.tech-flag {
    color: var(--oat-white);
    font-weight: bold;
    font-size: 15px;
    padding: 4px 12px;
    border: 2px solid var(--light-slate);
    border-radius: 5px;
    white-space: nowrap;
    line-height: 1.3;
    background-color: rgba(255, 255, 255, 0.05);
    transition: all 0.2s ease;
}

.experience-content {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 30px;
    padding-left: 30px;
    padding-right: 30px;
}

.footer-container {
    background-color: var(--medium-grey);
    color: var(--oat-white);
    min-height: 75px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding:10px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.social-link {
    display: inline-block;
    transition: transform 0.3s ease;
}

.social-icon {
    display: flex;
    padding-top: 5px;
    flex-direction: row;
    justify-content: center;
    width: 32px;
    height: 32px;
    fill: var(--oat-white);
    transition: all 0.3s ease;
}

/* Hover Effects */
.social-link:hover {
    transform: translateY(-3px);
}

/* For SVG files used via <img> tags */
.social-link:hover .social-icon {
    opacity: 0.9;
}

.footer-text {
    padding: 50px;
    color: var(--oat-white);
    font-size: medium;
}

.experience-cards {
    display: flex;
    flex-direction: column;
    gap: 25px;
    padding-top: 15px;
    padding-bottom: 15px;
    width: 100%;
}

.experience-card {
    display: flex;
    background-color: var(--medium-grey);
    border: 2px solid transparent;
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.experience-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    border-style: solid;
    border-color:var(--neo-orange);
}

.company-logo {
    width: 200px;
    height: 200px;
    margin-right: 20px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: white;
    border-radius: 8px;
    padding: 10px;
}

.company-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.experience-details {
    flex-grow: 1;
}

.job-header {
    margin-bottom: 8px;
}

.job-title {
    margin: 0;
    color: var(--oat-white);
    font-size: 1.4rem;
    font-weight: 600;
}

.company-name {
    color: var(--neo-orange);
    font-size: 1.1rem;
    font-weight: 500;
}

.company-name a {
    color: var(--neo-orange);
}

.company-name a:hover{
    color: var(--dark-orange);
}

.job-meta {
    margin-bottom: 12px;
    color: var(--light-slate);
    font-size: 0.95rem;
}

.job-location {
    font-style: italic;
}

.job-description {
    color: var(--oat-white);
    font-size: 1rem;
    line-height: 1.6;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .experience-card {
        flex-direction: column;
    }
    
    .company-logo {
        margin-right: 0;
        margin-bottom: 15px;
        width: 160px;
        height: 160px;
    }
}

/* Experience Content Container */
.experience-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Opportunity Container */
.contact-container {
    width: 100%;
    padding: 0 5px;
    margin-bottom: 20px;
}

.contact-text {
    color: var(--oat-white);
    font-size: 23px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.resume-btn {
    display: flex;
    color: var(--oat-white)!important;
    background-color: var(--light-slate);
    text-decoration: none!important;
    gap: 5px;
    font-weight: bold;
    padding: 4px 12px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.resume-btn:hover {
    background-color: var(--medium-slate);
    transform: translateY(-3px);
}

.action-links {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .opportunity-container,
    .experience-cards-container {
        padding: 0 15px;
    }
    
    .action-links {
        gap: 15px;
    }
}

/* Experience Cards Container */
.experience-cards-container {
    width: 100%;
    padding: 0 8px;
}