:root {
    --primary-color: #0061a8;
    --text-color: #2c3e50;
    --bg-color: #f8f9fa;
    --timeline-line: #e9ecef;
    --marker-color: #0061a8;
    --highlight-bg: #f8f9fa;
    --nav-bg: #ffffff;
    --nav-text: #2c3e50;
    --nav-active: #0061a8;
    /* Light theme variables */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --accent-primary: #0061a8;
    --accent-secondary: #004c85;
    --border-color: #e9ecef;
    --card-bg: #ffffff;
    --timeline-line: #e9ecef;
    --nav-bg: #ffffff;
    --nav-text: #2c3e50;
    --marker-color: #0061a8;
    --page-gradient: linear-gradient(135deg, #f8f9fa, #e9ecef, #f1f3f5);
    --page-gradient-dark: linear-gradient(135deg, #1a1a1a, #2d2d2d);
    --section-gradient: linear-gradient(to bottom, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.95));
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --hover-transform: translateY(-2px);
    --button-bg: var(--accent-primary);
    --button-text: #ffffff;
    --button-ghost-bg: transparent;
    --button-ghost-text: var(--accent-primary);
    --pill-bg: rgba(0, 97, 168, 0.12);
    --pill-text: var(--accent-primary);
    --page-overlay: radial-gradient(circle at 12% 12%, rgba(59, 130, 246, 0.18), transparent 55%), radial-gradient(circle at 85% 8%, rgba(236, 72, 153, 0.12), transparent 52%), radial-gradient(circle at 20% 80%, rgba(16, 185, 129, 0.12), transparent 58%), linear-gradient(180deg, rgba(241, 245, 249, 0.96) 0%, rgba(226, 232, 240, 0.9) 40%, rgba(248, 250, 252, 0.95) 100%);
    --logo-bg: #ffffff;
    --logo-border: rgba(0, 0, 0, 0.06);
    --card-sheen: linear-gradient(135deg, rgba(0, 97, 168, 0.12) 0%, rgba(0, 97, 168, 0.02) 55%, transparent 75%);
}

[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent-primary: #4a9eff;
    --accent-secondary: #77b7ff;
    --border-color: #404040;
    --card-bg: #2d2d2d;
    --timeline-line: #404040;
    --nav-bg: #121212;
    --nav-text: #e0e0e0;
    --marker-color: #4a9eff;
    --page-gradient: linear-gradient(135deg, #1a1a1a, #2d2d2d, #1f1f1f);
    --section-gradient: linear-gradient(to bottom, rgba(45, 45, 45, 0.9), rgba(45, 45, 45, 0.95));
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    --button-bg: var(--accent-primary);
    --button-text: #0f172a;
    --button-ghost-bg: transparent;
    --button-ghost-text: var(--accent-primary);
    --pill-bg: rgba(74, 158, 255, 0.16);
    --pill-text: var(--accent-primary);
    --page-overlay: radial-gradient(circle at 15% 0%, rgba(74, 158, 255, 0.18), transparent 45%), radial-gradient(circle at 90% 15%, rgba(56, 189, 248, 0.12), transparent 55%), linear-gradient(180deg, #0c1424 0%, #040912 100%);
    --logo-bg: rgba(255, 255, 255, 0.12);
    --logo-border: rgba(255, 255, 255, 0.2);
    --card-sheen: linear-gradient(135deg, rgba(74, 158, 255, 0.25) 0%, rgba(74, 158, 255, 0.08) 55%, transparent 75%);
}

/* Transition styles for smooth theme switching */
* {
    transition: background-color 0.3s ease, color 0.3s ease;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Navbar Styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-name {
    color: var(--accent-primary);
    font-size: 1.25rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: color 0.3s ease;
}

.nav-name:hover {
    color: var(--accent-secondary);
}

.nav-name:focus-visible {
    color: var(--accent-secondary);
    outline: 2px solid var(--accent-primary);
    outline-offset: 4px;
    border-radius: 6px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    margin-right: 0.75rem;
    border-radius: 50%;
    border: 1px solid transparent;
    background: transparent;
    color: var(--nav-text);
    font-size: 1.25rem;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
    background: rgba(0, 0, 0, 0.05);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-links a {
    color: var(--nav-text);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-links a:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 4px;
    border-radius: 4px;
}

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

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

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

/* Main Layout */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--page-gradient);
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    padding-top: 6rem; /* Increased from 4rem for more space below navbar */
    min-height: 100vh;
    background-size: 400% 400%;
    animation: gradientAnimation 15s ease infinite;
    background-attachment: fixed;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--page-overlay);
    z-index: -2;
    pointer-events: none;
}

#net-bg {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    opacity: 0.32;
    transition: opacity 0.3s ease;
    display: block;
}

[data-theme="dark"] #net-bg {
    opacity: 0.5;
}

.container {
    display: grid;
    grid-template-columns: 300px 1fr;
    max-width: 1400px;
    margin: 0 auto;
    gap: 3rem; /* Increased from 1rem for more breathing room */
    padding: 2rem; /* Increased from 1rem */
    position: relative;
    z-index: 1;
}

/* Sidebar Styles */
.sidebar {
    position: sticky;
    top: 7rem; /* Adjusted for increased body padding-top */
    width: 300px;
    height: fit-content;
    align-self: start;
}

.profile {
    text-align: center;
    padding: 1.75rem 1.5rem;
    border-radius: 20px;
    background: linear-gradient(160deg, rgba(0, 97, 168, 0.12) 0%, rgba(0, 97, 168, 0.04) 35%, rgba(0, 97, 168, 0.22) 100%);
    border: 1px solid rgba(0, 97, 168, 0.12);
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(6px);
}

[data-theme="dark"] .profile {
    background: linear-gradient(160deg, rgba(74, 158, 255, 0.18) 0%, rgba(74, 158, 255, 0.08) 40%, rgba(74, 158, 255, 0.28) 100%);
    border: 1px solid rgba(74, 158, 255, 0.2);
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.25);
}

.profile-pic {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    margin-bottom: 1.5rem;
    border: 3px solid var(--primary-color);
}

.profile h1 {
    margin: 0 0 0.5rem; /* Reduced bottom margin */
}

.profile .job-title {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: -0.5rem;
    margin-bottom: 1rem;
}

h1 {
    font-size: 1.5rem;
    margin: 0 0 1rem;
    color: var(--primary-color);
    color: var(--text-primary);
}

.contact-info {
    margin: 1rem 0; /* Reduced from 1.5rem */
}

.contact-info p {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 0.25rem 0; /* Reduced from 0.5rem */
    color: var(--text-color);
    color: var(--text-primary);
}

.contact-info a {
    color: var(--text-primary);
    text-decoration: none;
    border-bottom: 1px dashed rgba(0, 97, 168, 0.4);
    transition: color 0.3s ease, border-color 0.3s ease;
}

.contact-info a:hover,
.contact-info a:focus-visible {
    color: var(--accent-primary);
    border-color: rgba(0, 97, 168, 0.7);
}

[data-theme="dark"] .contact-info a {
    border-bottom-color: rgba(148, 163, 184, 0.35);
}

[data-theme="dark"] .contact-info a:hover,
[data-theme="dark"] .contact-info a:focus-visible {
    color: var(--accent-primary);
    border-bottom-color: rgba(74, 158, 255, 0.65);
}

[data-theme="dark"] .contact-info p,
[data-theme="dark"] .contact-info a {
    color: rgba(226, 232, 240, 0.9);
}

[data-theme="dark"] .contact-info i {
    color: var(--accent-primary);
}

[data-theme="dark"] .social-links a {
    color: rgba(226, 232, 240, 0.9);
}

[data-theme="dark"] .social-links a:hover,
[data-theme="dark"] .social-links a:focus-visible {
    color: var(--accent-primary);
}

.social-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem; /* Reduced from 1.5rem */
}

.social-links a {
    color: var(--text-primary);
    font-size: 1.5rem;
    transition: all 0.3s ease;
    padding: 0.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-links a:hover {
    transform: translateY(-2px);
    color: var(--accent-primary);
}

.social-links .resume-link {
    color: var(--text-primary);
    font-size: 1.5rem;
}

.social-links .resume-link:hover {
    background: none;
    box-shadow: none;
}

.content {
    flex: 1;
    max-width: 800px;
}

/* Content Sections */
.section {
    background: var(--section-gradient);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2.5rem; /* Consistent spacing between sections */
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(10px);
}

.section:hover {
    transform: var(--hover-transform);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.section h2 {
    font-size: 1.5rem;
    margin: 0 0 1rem; /* Consistent header spacing */
    color: var(--text-primary);
    border-bottom: 2px solid var(--accent-primary);
    padding-bottom: 0.5rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.25rem;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.button.primary {
    background: var(--button-bg);
    color: var(--button-text);
    border-color: var(--button-bg);
    box-shadow: 0 6px 16px rgba(0, 97, 168, 0.25);
}

.button.primary:hover,
.button.primary:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(0, 97, 168, 0.35);
}

.button.ghost {
    background: var(--button-ghost-bg);
    color: var(--button-ghost-text);
    border-color: currentColor;
}

.button.ghost:hover,
.button.ghost:focus-visible {
    transform: translateY(-1px);
    background: rgba(0, 97, 168, 0.1);
}

/* About Section */
.about-content {
    font-size: 0.95rem;
    line-height: 1.6;
    text-align: justify;
}

.about-content p {
    text-align: justify;
    margin-bottom: 1rem; /* Reduced from 1.5rem */
}

/* About section highlights */
.highlight-text {
    color: var(--accent-primary);
    font-weight: 600;
}

/* Experience Timeline */
.timeline {
    position: relative;
    margin-top: 0.5rem;
    padding-left: 0;
    --axis-offset: 1.4rem;
    --marker-size: 1rem;
    --timeline-content-gap: 1rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: var(--axis-offset);
    top: 0;
    height: 100%;
    width: 2px;
    background: var(--timeline-line);
}

.timeline-item {
    position: relative;
    margin-bottom: 0.75rem;
    padding-bottom: 0.15rem;
    padding-left: calc(var(--axis-offset) + (var(--marker-size) / 2) + var(--timeline-content-gap));
}

.timeline-marker {
    position: absolute;
    left: calc(var(--axis-offset) - (var(--marker-size) / 2));
    width: var(--marker-size);
    height: var(--marker-size);
    border-radius: 50%;
    background: white;
    border: 2px solid var(--marker-color);
    z-index: 1;
}

.timeline-item.current .timeline-marker {
    background: var(--marker-color);
}

.timeline-content {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    padding: 1rem 1.1rem;
    position: relative;
    margin-bottom: 0; /* Remove extra margin */
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(8px);
    overflow: hidden;
    z-index: 0;
}

.timeline-content[role="button"] {
    cursor: pointer;
}

.timeline-content[role="button"]:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 4px;
}

.timeline-content:hover {
    transform: var(--hover-transform);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.timeline-item.highlight .timeline-content {
    border-color: rgba(0, 97, 168, 0.32);
    box-shadow: 0 12px 24px rgba(0, 97, 168, 0.18);
}

.timeline-item.highlight .timeline-content::before {
    opacity: 0.85;
}

[data-theme="dark"] .timeline-item.highlight .timeline-content {
    border-color: rgba(74, 158, 255, 0.35);
    box-shadow: 0 12px 24px rgba(74, 158, 255, 0.22);
}

.company-logo, .institution-logo {
    background: var(--logo-bg);
    padding: 0.5rem;
    border-radius: 12px;
    width: 64px;
    height: 64px;
    object-fit: contain;
    border: 1px solid var(--logo-border);
    box-shadow: 0 10px 18px rgba(0, 0, 0, 0.12);
}

.timeline-text {
    flex: 1;
    line-height: 1.32;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 0.25rem;
}

.timeline-header h3 {
    margin: 0;
}

.timeline-header .timeline-date {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
    text-align: right;
}

.timeline-date--secondary {
    display: inline-block;
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin: 0 0 0.35rem;
}

@media (max-width: 500px) {
    .timeline-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.15rem;
    }

    .timeline-header .timeline-date {
        white-space: normal;
        text-align: left;
    }
}

body.experience-overlay-open {
    overflow: hidden;
}

.experience-overlay {
    position: fixed;
    inset: 0;
    display: none;
    z-index: 3000;
}

.experience-overlay[data-open="true"] {
    display: block;
}

.experience-overlay__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(8, 17, 32, 0.65);
    backdrop-filter: blur(6px);
}

.experience-overlay__dialog {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(90vw, 560px);
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35);
    padding: clamp(1.5rem, 2vw, 2.25rem);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    border: 1px solid var(--border-color);
    max-height: 85vh;
    overflow-y: auto;
}

.experience-overlay__close {
    align-self: flex-end;
    background: transparent;
    border: none;
    font-size: 1.75rem;
    line-height: 1;
    color: var(--text-primary);
    cursor: pointer;
    transition: color 0.2s ease, transform 0.2s ease;
}

.experience-overlay__close:hover,
.experience-overlay__close:focus-visible {
    color: var(--accent-primary);
    transform: scale(1.05);
}

.experience-overlay__body {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.experience-overlay__subtitle {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-align: justify;
}

.experience-overlay__list {
    margin: 0;
    padding-left: 1.3rem;
    color: var(--text-primary);
    list-style: disc;
    text-align: justify;
}

.experience-overlay__list li {
    line-height: 1.5;
}

.experience-overlay__list li + li {
    margin-top: 0.6rem;
}

@media (max-width: 600px) {
    .experience-overlay__dialog {
        top: auto;
        bottom: clamp(1.5rem, 6vw, 2rem);
        transform: translate(-50%, 0);
        width: min(92vw, 460px);
        max-height: 82vh;
    }
}

.timeline-date {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 0.3rem;
    color: var(--accent-primary);
}

h3 {
    font-size: 1.25rem;
    margin: 0 0 0.3rem;
    color: var(--text-color);
    color: var(--text-primary);
}

h4 {
    font-size: 1.1rem;
    margin: 0 0 0.3rem;
    color: var(--primary-color);
    font-weight: 500;
    color: var(--text-primary);
}

.location {
    color: rgba(108, 117, 125, 0.9);
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

[data-theme="dark"] .location {
    color: rgba(226, 232, 240, 0.72);
}

.achievement {
    color: var(--primary-color);
    font-weight: 500;
    margin: 0.5rem 0;
    color: var(--accent-primary);
}

ul {
    margin: 0.5rem 0;
    padding-left: 1.2rem;
}

li {
    margin-bottom: 0.5rem;
}

.timeline-content ul li {
    font-size: 0.95rem;
    margin-bottom: 0.15rem;
}

.timeline-content::before,
.research-item::before,
.skill-category::before,
.teaching-item::before {
    content: '';
    position: absolute;
    inset: -1px;
    background: var(--card-sheen);
    opacity: 0.55;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.4s ease;
    transform: scale(1.01);
    transform-origin: top left;
    z-index: 0;
}

.timeline-content:hover::before,
.research-item:hover::before,
.skill-category:hover::before,
.teaching-item:hover::before {
    opacity: 0.85;
    transform: scale(1.03);
}

.timeline-content > *,
.research-item > *,
.skill-category > *,
.teaching-item > * {
    position: relative;
    z-index: 1;
}

.section.skills {
    margin-top: 2rem; /* Reduced from 4rem */
}

.section.skills h2 {
    margin: 0 0 1.5rem;
}

.skill-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem; /* Consistent gap */
}

.skill-category {
    background: var(--card-bg);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    z-index: 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-category:hover {
    transform: var(--hover-transform);
    box-shadow: 0 10px 18px rgba(0, 0, 0, 0.12);
}

.skill-category h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--accent-primary);
}

.skill-category p {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.research {
    margin-top: 4rem;
    margin-bottom: 4rem;
}

.research h2 {
    color: var(--primary-color);
    margin: 0 0 2rem;
}

.research-items {
    display: flex;
    flex-direction: column;
    gap: 1rem; /* Reduced from 1.5rem for more compact layout */
}

.research-item {
    position: relative;
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.75rem;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    height: 100%;
    display: flex;
    flex-direction: column;
    margin-bottom: 0; /* Remove extra margin since we're using gap */
    backdrop-filter: blur(8px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    z-index: 0;
}

.research-item:hover {
    transform: var(--hover-transform);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.research-item h3 {
    color: var(--accent-primary);
    font-size: 1.2rem;
    margin: 0;
}

.research-item h4 {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0 0 0.6rem;
}

.research-header {
    margin-bottom: 0.65rem; /* Reduced from 1rem */
}

.tech-stack {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: var(--bg-secondary);
    color: var(--accent-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.85rem;
    font-family: 'Menlo', monospace;
    border: 1px solid var(--accent-primary);
    transition: all 0.2s ease;
}

.tech-tag:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.research-body ul {
    margin: 0.5rem 0;
    text-align: justify;
}

.research-body li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem; /* Reduced from 0.75rem */
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.5;
    text-align: justify;
}

.research-body li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

/* Common list styles for all sections */
.timeline-content ul,
.research-body ul,
.about-content ul {
    margin: 0.5rem 0;
    padding: 0;
    list-style: none;
    text-align: justify;
}

.timeline-content ul li,
.research-body li,
.about-content ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    list-style: none;
    text-align: justify;
}

.timeline-content ul li::before,
.research-body li::before,
.about-content ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

/* Teaching Section */
.teaching-items {
    display: flex;
    flex-direction: column;
    gap: 1rem; /* Consistent gap */
}

.teaching-item {
    display: flex;
    gap: 1rem;
    background: var(--bg-color);
    padding: 1rem;
    border-radius: 8px;
    transition: transform 0.2s ease;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    z-index: 0;
    min-height: 160px;
}

.teaching-item:hover {
    transform: translateX(5px);
}

.teaching-content {
    flex: 1;
}

/* Theme toggle styles */
.theme-toggle {
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    font-size: 1.25rem;
    color: var(--nav-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.theme-toggle:hover {
    color: var(--accent-primary);
}

.resume-link {
    color: var(--accent-primary);
    padding: 0.5rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.resume-link:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

@media (max-width: 1024px) {
    .container {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 1.5rem;
    }

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

    .nav-content {
        padding: 1rem 1.5rem;
    }

    .nav-right {
        gap: 1rem;
    }

    .timeline {
        --axis-offset: 1.1rem;
        --timeline-content-gap: 0.85rem;
    }

    .timeline-content {
        flex-direction: column;
    }

    .company-logo, .institution-logo {
        margin: 0 auto;
    }

    .section {
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: inline-flex;
    }

    .nav-content {
        padding: 1rem;
    }

    .nav-right {
        position: relative;
    }

    .nav-links {
        position: absolute;
        top: calc(100% + 0.75rem);
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        padding: 1rem 1.25rem;
        border-radius: 12px;
        border: 1px solid var(--border-color);
        background: var(--nav-bg);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
        display: none;
        min-width: min(80vw, 280px);
        z-index: 1000;
    }

    .nav-links.open {
        display: flex;
    }

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

@media (max-width: 576px) {
    body {
        padding-top: 5.25rem;
    }

    .container {
        padding: 0.75rem;
    }

    .timeline-content {
        padding: 0.85rem;
    }

    .section.skills {
        padding: 0.9rem;
    }

    .research-item {
        padding: 1.25rem;
    }

    .section {
        padding: 1rem;
        margin-bottom: 1.25rem;
    }

    .teaching-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .timeline {
        --axis-offset: 0.85rem;
        --marker-size: 0.8rem;
        --timeline-content-gap: 0.6rem;
    }

}

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