* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #000000;
    color: white;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    overflow-x: hidden;
    min-height: 100vh;
}

#canvas {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1;
}

.content {
    position: relative;
    z-index: 2;
    padding: clamp(100px, 12vh, 140px) clamp(24px, 6vw, 80px) clamp(160px, 18vh, 220px);
    max-width: 1200px;
    margin: 0 auto;
}

.header {
    text-align: center;
    margin-bottom: 80px;
}

h1 {
    font-size: clamp(2.2rem, 6vw, 4rem);
    font-weight: 300;
    letter-spacing: clamp(0.2rem, 1vw, 0.4rem);
    background: linear-gradient(135deg, #FF5F1F, #FF8C42, #FFB347);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0;
    transform: scale(0.9);
    animation: titleIn 1s cubic-bezier(0.23, 1, 0.320, 1) forwards 0.5s;
}

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

.section-header {
    display: flex;
    align-items: center;
    margin: 60px 0 40px;
}

.section-header h2 {
    font-size: 2em;
    font-weight: 300;
    color: #fff;
    margin-right: 20px;
}

.section-line {
    flex-grow: 1;
    height: 1px;
    background: linear-gradient(to right, rgba(255, 95, 31, 0.5), transparent);
}

.intro-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.summary-card,
.info-card,
.skills-card,
.credentials-card {
    background: rgba(255, 95, 31, 0.08);
    border: 1px solid rgba(255, 95, 31, 0.3);
    border-radius: 8px;
    padding: 28px;
    backdrop-filter: blur(4px);
}

.summary-card h2,
.info-card h3,
.skills-card h3,
.credentials-card h3 {
    font-weight: 400;
    margin-bottom: 20px;
    color: #fff;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.95em;
}

.summary-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 20px;
}

.bullet-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.bullet-list li {
    position: relative;
    padding-left: 18px;
    color: rgba(255, 255, 255, 0.8);
}

.bullet-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 95, 31, 0.9);
}

.info-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.info-list li {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-list span:first-child {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.75em;
    color: rgba(255, 255, 255, 0.6);
}

.info-list span:last-child,
.info-list a {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.92em;
    text-decoration: none;
}

.info-list a:hover {
    color: #FF8C42;
    text-decoration: underline;
}

.education-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.education-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85em;
}

.education-school {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
}

.education-detail {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.85em;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.chip-group .skill-tag {
    background: rgba(255, 95, 31, 0.12);
}

.tech-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    color: rgba(255, 255, 255, 0.85);
}

.tech-list strong {
    color: #FFB347;
    font-weight: 500;
}

.achievement-list {
    list-style: none;
    margin: 0 0 20px;
    padding: 0;
    display: grid;
    gap: 12px;
}

.achievement-list li {
    position: relative;
    padding-left: 18px;
    color: rgba(255, 255, 255, 0.8);
}

.achievement-list li::before {
    content: '\2022';
    position: absolute;
    left: 0;
    color: rgba(255, 95, 31, 0.8);
}

.credentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.credentials-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    color: rgba(255, 255, 255, 0.8);
}

/* Timeline Styles */
.timeline {
    position: relative;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 100px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: rgba(255, 95, 31, 0.3);
}

.timeline-item {
    position: relative;
    padding-left: 160px;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.5s ease forwards;
}

.timeline-dot {
    position: absolute;
    left: 96px;
    top: 0;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #FF5F1F;
}

.timeline-date {
    position: absolute;
    left: 100px;
    top: 50%;
    transform: translate(calc(-100% - 24px), -50%);
    text-align: right;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9em;
    line-height: 1.4;
    min-width: 110px;
}

.timeline-content {
    background: rgba(255, 95, 31, 0.08);
    border: 1px solid rgba(255, 95, 31, 0.3);
    border-radius: 8px;
    padding: 25px;
    transition: all 0.3s;
}

.timeline-content:hover {
    background: rgba(255, 95, 31, 0.15);
    transform: translateY(-5px);
}

.timeline-content h3 {
    font-size: 1.4em;
    margin-bottom: 10px;
    color: #fff;
}

.company {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9em;
    margin-bottom: 15px;
}

.timeline-content ul {
    list-style-type: none;
    margin: 15px 0;
}

.timeline-content ul li {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.timeline-content ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #FF5F1F;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.skill-tag {
    background: rgba(255, 95, 31, 0.12);
    border: 1px solid rgba(255, 95, 31, 0.3);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8em;
    color: rgba(255, 255, 255, 0.9);
}

/* Research Grid Styles */
.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    padding: 20px 0;
}

.research-item {
    background: rgba(255, 95, 31, 0.08);
    border: 1px solid rgba(255, 95, 31, 0.3);
    border-radius: 8px;
    padding: 30px;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.5s ease forwards;
}

.research-item:hover {
    background: rgba(255, 95, 31, 0.15);
    transform: translateY(-5px);
}

.research-year {
    position: absolute;
    top: -12px;
    left: 25px;
    background: linear-gradient(135deg, #FF5F1F, #FF8C42);
    padding: 3px 12px;
    border-radius: 12px;
    font-size: 0.9em;
    font-weight: 500;
}

.research-item h3 {
    font-size: 1.3em;
    margin: 15px 0;
    color: #fff;
}

.research-item p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 20px;
}

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

.research-tag {
    background: rgba(255, 95, 31, 0.12);
    border: 1px solid rgba(255, 95, 31, 0.3);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8em;
    color: rgba(255, 255, 255, 0.9);
}

.menu {
    position: fixed;
    top: clamp(16px, 4vw, 36px);
    left: clamp(16px, 4vw, 44px);
    transform: none;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: clamp(18px, 3vw, 32px);
    padding: 0;
    border-radius: 16px;
    background: transparent;
    border: none;
    box-shadow: none;
    z-index: 1002;
    transform-origin: left top;
}

.menu-links {
    display: flex;
    align-items: center;
    gap: clamp(16px, 3vw, 28px);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid rgba(255, 95, 31, 0.35);
    background: rgba(255, 95, 31, 0.15);
    cursor: pointer;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle:focus-visible {
    outline: 2px solid rgba(255, 95, 31, 0.8);
    outline-offset: 3px;
}

.menu.menu-open .menu-toggle span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu.menu-open .menu-toggle span:nth-child(2) {
    opacity: 0;
}

.menu.menu-open .menu-toggle span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.menu-item {
    padding: 10px 22px;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid transparent;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
    font-size: 12px;
    letter-spacing: 2px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    text-transform: uppercase;
}

.menu-item:hover,
.menu-item:focus-visible {
    background: rgba(255, 95, 31, 0.2);
    border-color: rgba(255, 95, 31, 0.5);
    transform: translateY(-2px);
}

.menu-item:focus-visible {
    outline: 2px solid rgba(255, 95, 31, 0.6);
    outline-offset: 3px;
}

.menu-item.active {
    background: rgba(255, 95, 31, 0.28);
    border-color: rgba(255, 95, 31, 0.6);
}

@media (max-width: 1120px) {
    .content {
        padding: clamp(100px, 12vh, 140px) clamp(28px, 7vw, 72px) clamp(180px, 20vh, 240px);
    }
}

@media (max-width: 900px) {
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .timeline {
        padding: 20px 0 0;
    }

    .timeline::before,
    .timeline-dot {
        display: none;
    }

    .timeline-item {
        padding-left: 0;
        margin-left: 0;
        margin-bottom: 40px;
    }

    .timeline-date {
        position: relative;
        left: 0;
        top: 0;
        transform: none;
        text-align: left;
        margin-bottom: 12px;
    }
}

@media (max-width: 768px) {
    .menu {
        width: auto;
        flex-direction: row;
        align-items: center;
        gap: 0;
        padding: 0;
        border-radius: 16px;
    }

    .menu-toggle {
        display: flex;
    }

    .menu-links {
        display: none;
        flex-direction: column;
        gap: 12px;
        width: 100%;
        margin-top: 12px;
    }

    .menu.menu-open {
        flex-direction: column;
        align-items: stretch;
        width: clamp(220px, 55vw, 320px);
        gap: 14px;
        padding: 16px 20px;
        border-radius: 20px;
        overflow: hidden;
        background: rgba(0, 0, 0, 0.75);
        border: 1px solid rgba(255, 95, 31, 0.35);
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
    }

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

    .menu.menu-open .menu-item {
        width: 100%;
        padding: 12px;
    }

    .menu-item {
        width: auto;
        padding: 10px 18px;
    }

    body,
    p,
    li,
    a,
    span {
        letter-spacing: 0.08em;
    }
}

@media (max-width: 720px) {
    h1 {
        font-size: clamp(2rem, 9vw, 3.2rem);
    }

    .content {
        padding: 120px 24px 220px;
    }

    .skills-grid,
    .intro-grid,
    .credentials-grid,
    .research-grid {
        gap: 20px;
    }
}

@media (max-width: 520px) {
    body,
    p,
    li,
    a,
    span {
        letter-spacing: 0.08em;
    }

    .section-header h2 {
        font-size: 1.4em;
    }

    .timeline-content {
        padding: 20px;
    }

    .research-item {
        padding: 24px;
    }
}

@keyframes titleIn {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

#overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.7) 100%);
    pointer-events: none;
    z-index: 2;
}

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 95, 31, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 95, 31, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 1;
    opacity: 0.4;
}

/* Modal Styles */
.research-item {
    cursor: pointer;
    transition: all 0.3s ease;
}

.research-item:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 95, 31, 0.6);
    box-shadow: 0 8px 30px rgba(255, 95, 31, 0.2);
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    position: relative;
    background: linear-gradient(135deg, rgba(20, 20, 20, 0.95), rgba(40, 20, 10, 0.95));
    border: 1px solid rgba(255, 95, 31, 0.3);
    border-radius: 12px;
    max-width: 900px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    padding: 50px;
    box-shadow: 0 20px 60px rgba(255, 95, 31, 0.3);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-container {
    transform: scale(1) translateY(0);
}

.modal-container::-webkit-scrollbar {
    width: 8px;
}

.modal-container::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
}

.modal-container::-webkit-scrollbar-thumb {
    background: rgba(255, 95, 31, 0.5);
    border-radius: 4px;
}

.modal-container::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 95, 31, 0.7);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 95, 31, 0.1);
    border: 1px solid rgba(255, 95, 31, 0.3);
    color: #FF8C42;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 18px;
    z-index: 10;
}

.modal-close:hover {
    background: rgba(255, 95, 31, 0.2);
    border-color: rgba(255, 95, 31, 0.6);
    transform: rotate(90deg);
}

.modal-content h2 {
    font-size: 2.5em;
    font-weight: 300;
    color: #fff;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #FF5F1F, #FF8C42);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.modal-content h3 {
    font-size: 1.3em;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.modal-content h4 {
    font-size: 1.2em;
    font-weight: 400;
    color: #FF8C42;
    margin-bottom: 15px;
    margin-top: 10px;
}

.modal-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.modal-year,
.modal-role {
    padding: 8px 16px;
    background: rgba(255, 95, 31, 0.1);
    border: 1px solid rgba(255, 95, 31, 0.3);
    border-radius: 20px;
    font-size: 0.9em;
    color: rgba(255, 255, 255, 0.8);
}

.modal-section {
    margin-bottom: 30px;
}

.modal-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    font-size: 1.05em;
}

.modal-section ul {
    list-style: none;
    padding-left: 0;
}

.modal-section ul li {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
}

.modal-section ul li:before {
    content: "▸";
    color: #FF8C42;
    position: absolute;
    left: 0;
    font-size: 1.2em;
}

.modal-section ul li strong {
    color: #fff;
}

.modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.modal-tag {
    padding: 8px 16px;
    background: rgba(255, 95, 31, 0.15);
    border: 1px solid rgba(255, 95, 31, 0.4);
    border-radius: 20px;
    font-size: 0.85em;
    color: #FF8C42;
    transition: all 0.3s ease;
}

.modal-tag:hover {
    background: rgba(255, 95, 31, 0.25);
    border-color: rgba(255, 95, 31, 0.6);
}

.modal-template {
    display: none;
}

/* Responsive Modal */
@media (max-width: 768px) {
    .modal-container {
        padding: 30px 25px;
        width: 95%;
        max-height: 90vh;
    }
    
    .modal-content h2 {
        font-size: 2em;
    }
    
    .modal-content h3 {
        font-size: 1.1em;
    }
    
    .modal-close {
        top: 15px;
        right: 15px;
        width: 35px;
        height: 35px;
    }
}