:root {
    --primary-color: #00ff88;
    --secondary-color: #ff006e;
    --accent-color: #00d9ff;
    --dark-bg: #0a0e27;
    --light-bg: #ffffff;
    --dark-text: #0a0e27;
    --light-text: #ffffff;
    --card-dark: #16213e;
    --card-light: #f5f5f5;
    --border-dark: #1f3a5f;
    --border-light: #e0e0e0;
    /* Light theme colors with better contrast */
    --primary-color-light: #009966;
    --accent-color-light: #0066cc;
    --secondary-color-light: #cc0055;
    --text-light: #1a1a1a;
    --text-light-secondary: #404040;
}

html {
    scroll-behavior: smooth;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji';
    line-height: 1.6;
    background: var(--dark-bg);
    color: var(--light-text);
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

body.light-theme {
    background: var(--light-bg);
    color: var(--text-light);
}

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

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(10, 14, 39, 0.8);
    border-bottom: 1px solid rgba(0, 255, 136, 0.1);
    transition: all 0.3s ease;
}

body.light-theme .navbar {
    background: rgba(255, 255, 255, 0.8);
    border-bottom-color: rgba(0, 255, 136, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-brand a {
    color: var(--primary-color);
    text-decoration: none;
    text-shadow: 0 0 10px var(--primary-color);
}

body.light-theme .nav-brand a {
    color: var(--primary-color-light);
    text-shadow: 0 0 5px rgba(0, 153, 102, 0.3);
}

.brand-dot {
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-link {
    color: var(--light-text);
    text-decoration: none;
    position: relative;
    transition: color 0.3s ease;
}

body.light-theme .nav-link {
    color: var(--text-light);
}

.nav-link:hover {
    color: var(--primary-color);
    text-shadow: 0 0 8px var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--primary-color);
}

.nav-link:hover::after {
    width: 100%;
}

.theme-btn {
    background: none;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-size: 18px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

.theme-btn:hover {
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
    transform: scale(1.1);
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 5px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* ===== HERO SECTION ===== */
.hero {
    margin-top: 70px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, rgba(255, 0, 110, 0.05) 100%);
}

.stars {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    top: 0;
    left: 0;
}

.stars::before {
    content: '';
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    top: 20%;
    left: 10%;
    opacity: 0.6;
    animation: twinkle 3s infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-text {
    animation: slideInLeft 0.8s ease-out;
}

.hero-greeting {
    font-size: 16px;
    color: var(--accent-color);
    text-shadow: 0 0 10px var(--accent-color);
    margin-bottom: 10px;
    animation: fadeIn 1s ease-out 0.2s backwards;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    margin: 20px 0;
    line-height: 1.2;
    animation: slideInLeft 0.8s ease-out 0.1s backwards;
}

.text-gradient {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(0, 255, 136, 0.3));
}

.hero-subtitle {
    font-size: 24px;
    color: var(--accent-color);
    margin-bottom: 20px;
    animation: slideInLeft 0.8s ease-out 0.2s backwards;
}

body.light-theme .hero-subtitle {
    color: var(--accent-color-light);
}

.hero-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    line-height: 1.8;
    animation: slideInLeft 0.8s ease-out 0.3s backwards;
}

body.light-theme .hero-description {
    color: var(--text-light-secondary);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    animation: slideInLeft 0.8s ease-out 0.4s backwards;
}

.btn {
    padding: 15px 40px;
    font-size: 16px;
    font-weight: 600;
    border: 2px solid;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--dark-bg);
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.8);
    transform: translateY(-3px);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-color);
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(0, 217, 255, 0.1);
    box-shadow: 0 0 40px rgba(0, 217, 255, 0.6);
    transform: translateY(-3px);
}

body.light-theme .btn-primary {
    color: white;
}

.hero-image {
    position: relative;
    animation: slideInRight 0.8s ease-out;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-container {
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-image {
    width: 280px;
    height: 280px;
    border-radius: 20px;
    object-fit: cover;
    border: 3px solid var(--primary-color);
    position: relative;
    z-index: 2;
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
    animation: float 3s ease-in-out infinite;
}

.image-glow {
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 20px;
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 60px rgba(0, 255, 136, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.3; }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    cursor: pointer;
    z-index: 3;
}

.scroll-indicator span {
    font-size: 14px;
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-color);
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ===== ANIMATIONS ===== */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== SECTIONS GENERAL ===== */
section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    color: var(--light-text);
    position: relative;
    display: inline-block;
    width: 100%;
}

body.light-theme .section-title {
    color: var(--text-light);
}

.section-title::before {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

/* ===== ABOUT SECTION ===== */
.about {
    background: linear-gradient(135deg, rgba(22, 33, 62, 0.5) 0%, rgba(31, 58, 95, 0.5) 100%);
}

body.light-theme .about {
    background: linear-gradient(135deg, rgba(245, 245, 245, 0.5) 0%, rgba(240, 240, 240, 0.5) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text {
    animation: slideUp 0.8s ease-out;
}

.about-para {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.8);
}

body.light-theme .about-para {
    color: var(--text-light-secondary);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    animation: slideUp 0.8s ease-out 0.2s backwards;
}

.stat-card {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--primary-color);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.1);
}

body.light-theme .stat-card {
    background: rgba(0, 255, 136, 0.05);
    border-color: var(--primary-color);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.4);
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 10px;
    text-shadow: 0 0 20px var(--primary-color);
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

body.light-theme .stat-label {
    color: var(--text-light-secondary);
}

/* ===== EXPERIENCE SECTION ===== */
.experience {
    background: linear-gradient(135deg, rgba(22, 33, 62, 0.3) 0%, rgba(10, 14, 39, 0.3) 100%);
}

body.light-theme .experience {
    background: linear-gradient(135deg, rgba(240, 240, 240, 0.3) 0%, rgba(255, 255, 255, 0.3) 100%);
}

.experience-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    transform: translateX(0);
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.timeline-item {
    margin-bottom: 50px;
    position: relative;
    animation: slideUp 0.8s ease-out;
}

.timeline-item .timeline-content {
    margin-left: 40px;
    margin-right: 0;
    width: calc(100% - 40px);
    text-align: left;
}

.timeline-marker {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border: 3px solid var(--dark-bg);
    border-radius: 50%;
    left: 0;
    transform: translateX(-50%);
    top: 0;
    box-shadow: 0 0 20px var(--primary-color);
    z-index: 3;
}

body.light-theme .timeline-marker {
    border-color: var(--light-bg);
}

.timeline-content {
    background: rgba(0, 255, 136, 0.08);
    border: 1px solid rgba(0, 255, 136, 0.2);
    padding: 30px;
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.05);
}

body.light-theme .timeline-content {
    background: rgba(0, 153, 102, 0.08);
    border-color: rgba(0, 153, 102, 0.25);
}

.timeline-image {
    width: 100%;
    height: 400px;
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
}

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

.timeline-content:hover .timeline-image img {
    transform: scale(1.05);
}

.timeline-content:hover {
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.2);
    border-color: rgba(0, 255, 136, 0.4);
    transform: translateY(-5px);
}

.timeline-content h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 5px;
}

body.light-theme .timeline-content h3 {
    color: var(--primary-color-light);
}

.timeline-company {
    font-size: 14px;
    color: var(--accent-color);
    margin-bottom: 5px;
}

body.light-theme .timeline-company {
    color: var(--accent-color-light);
}

.timeline-period {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 15px;
}

body.light-theme .timeline-period {
    color: rgba(64, 64, 64, 0.6);
}

.timeline-list {
    list-style: none;
    font-size: 14px;
}

.timeline-list li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    color: rgba(255, 255, 255, 0.8);
}

body.light-theme .timeline-list li {
    color: var(--text-light-secondary);
}

.timeline-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* ===== EDUCATION SECTION ===== */
.education {
    background: linear-gradient(135deg, rgba(22, 33, 62, 0.4) 0%, rgba(31, 58, 95, 0.4) 100%);
}

body.light-theme .education {
    background: linear-gradient(135deg, rgba(240, 240, 240, 0.4) 0%, rgba(245, 245, 245, 0.4) 100%);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.education-card {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--primary-color);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    animation: slideUp 0.8s ease-out;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.1);
}

body.light-theme .education-card {
    background: rgba(0, 153, 102, 0.1);
    border-color: var(--primary-color-light);
}

.education-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.4);
}

.education-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.education-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

body.light-theme .education-card h3 {
    color: var(--primary-color-light);
}

.education-place {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
}

body.light-theme .education-place {
    color: var(--text-light-secondary);
}

.education-period {
    font-size: 14px;
    color: var(--accent-color);
}

body.light-theme .education-period {
    color: var(--accent-color-light);
}

/* ===== SKILLS SECTION ===== */
.skills {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, rgba(0, 217, 255, 0.05) 100%);
}

body.light-theme .skills {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.02) 0%, rgba(0, 217, 255, 0.02) 100%);
}

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

.skill-category {
    background: rgba(22, 33, 62, 0.6);
    border: 1px solid rgba(0, 255, 136, 0.2);
    padding: 30px;
    border-radius: 12px;
    transition: all 0.3s ease;
    animation: slideUp 0.8s ease-out;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.05);
}

body.light-theme .skill-category {
    background: rgba(0, 153, 102, 0.06);
    border-color: rgba(0, 153, 102, 0.2);
}

.skill-category:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.2);
    transform: translateY(-5px);
}

.skill-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}

body.light-theme .skill-title {
    color: var(--primary-color-light);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    transition: all 0.3s ease;
    cursor: default;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.1);
}

body.light-theme .skill-tag {
    background: rgba(0, 153, 102, 0.1);
    border-color: var(--primary-color-light);
    color: var(--primary-color-light);
}

.skill-tag:hover {
    background: rgba(0, 255, 136, 0.2);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
    transform: scale(1.05);
}

/* ===== ACHIEVEMENTS SECTION ===== */
.achievements {
    background: linear-gradient(135deg, rgba(22, 33, 62, 0.5) 0%, rgba(31, 58, 95, 0.5) 100%);
}

body.light-theme .achievements {
    background: linear-gradient(135deg, rgba(240, 240, 240, 0.5) 0%, rgba(245, 245, 245, 0.5) 100%);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.achievement-card {
    background: rgba(255, 0, 110, 0.08);
    border: 1px solid rgba(255, 0, 110, 0.3);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    animation: slideUp 0.8s ease-out;
    box-shadow: 0 0 20px rgba(255, 0, 110, 0.05);
}

body.light-theme .achievement-card {
    background: rgba(255, 0, 110, 0.05);
}

.achievement-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 0 40px rgba(255, 0, 110, 0.4);
    border-color: rgba(255, 0, 110, 0.6);
}

.achievement-icon {
    font-size: 48px;
    margin-bottom: 15px;
    animation: bounce 2s infinite;
}

.achievement-card h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: var(--light-text);
}

body.light-theme .achievement-card h4 {
    color: var(--text-light);
}

.achievement-card p {
    font-size: 14px;
    color: var(--secondary-color);
    font-weight: 600;
}

body.light-theme .achievement-card p {
    color: var(--secondary-color-light);
}

/* ===== JOURNEY SECTION ===== */
.journey {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.05) 0%, rgba(0, 255, 136, 0.05) 100%);
}

body.light-theme .journey {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.02) 0%, rgba(0, 255, 136, 0.02) 100%);
}

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

.journey-card {
    background: rgba(22, 33, 62, 0.6);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    animation: slideUp 0.8s ease-out;
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.05);
}

body.light-theme .journey-card {
    background: rgba(245, 245, 245, 0.6);
    border-color: rgba(0, 217, 255, 0.15);
}

.journey-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 40px rgba(0, 217, 255, 0.3);
    border-color: var(--accent-color);
}

.journey-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

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

.journey-card:hover .journey-image img {
    transform: scale(1.1);
}

.journey-info {
    padding: 25px;
}

.journey-info h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--accent-color);
}

.journey-info p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

body.light-theme .journey-info p {
    color: rgba(10, 14, 39, 0.7);
}

/* ===== PUBLICATIONS SECTION ===== */
.publications {
    background: linear-gradient(135deg, rgba(22, 33, 62, 0.4) 0%, rgba(10, 14, 39, 0.4) 100%);
}

body.light-theme .publications {
    background: linear-gradient(135deg, rgba(240, 240, 240, 0.4) 0%, rgba(255, 255, 255, 0.4) 100%);
}

.publications-content {
    max-width: 800px;
    margin: 0 auto;
}

.publication-item {
    display: flex;
    gap: 30px;
    background: rgba(0, 255, 136, 0.08);
    border: 1px solid rgba(0, 255, 136, 0.2);
    padding: 30px;
    border-radius: 12px;
    animation: slideUp 0.8s ease-out;
    transition: all 0.3s ease;
}

body.light-theme .publication-item {
    background: rgba(0, 153, 102, 0.08);
    border-color: rgba(0, 153, 102, 0.2);
}

.publication-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.2);
    transform: translateY(-5px);
}

.publication-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.publication-text h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--light-text);
}

body.light-theme .publication-text h4 {
    color: var(--text-light);
}

.publication-authors {
    font-size: 14px;
    color: var(--accent-color);
    margin-bottom: 5px;
}

body.light-theme .publication-authors {
    color: var(--accent-color-light);
}

.publication-venue {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

body.light-theme .publication-venue {
    color: var(--text-light-secondary);
}

/* ===== CONTACT SECTION ===== */
.contact {
    background: linear-gradient(135deg, rgba(255, 0, 110, 0.05) 0%, rgba(0, 255, 136, 0.05) 100%);
}

body.light-theme .contact {
    background: linear-gradient(135deg, rgba(255, 0, 110, 0.02) 0%, rgba(0, 255, 136, 0.02) 100%);
}

.contact-subtitle {
    font-size: 18px;
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 50px;
    animation: slideUp 0.8s ease-out;
}

body.light-theme .contact-subtitle {
    color: var(--text-light-secondary);
}

.contact-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    max-width: 900px;
    margin: 0 auto;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 20px;
    background: rgba(22, 33, 62, 0.6);
    border: 1px solid rgba(0, 255, 136, 0.2);
    padding: 25px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--light-text);
    transition: all 0.3s ease;
    animation: slideUp 0.8s ease-out;
}

body.light-theme .contact-link {
    background: rgba(0, 153, 102, 0.06);
    border-color: rgba(0, 153, 102, 0.2);
    color: var(--text-light);
}

.contact-link:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.3);
    transform: translateY(-5px);
}

.link-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.link-title {
    display: block;
    font-size: 14px;
    color: var(--primary-color);
    margin-bottom: 5px;
    font-weight: 600;
}

body.light-theme .link-title {
    color: var(--primary-color-light);
}

.link-value {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    word-break: break-all;
}

body.light-theme .link-value {
    color: var(--text-light-secondary);
}

/* ===== FOOTER ===== */
.footer {
    background: rgba(10, 14, 39, 0.9);
    border-top: 1px solid rgba(0, 255, 136, 0.1);
    padding: 40px 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

body.light-theme .footer {
    background: rgba(255, 255, 255, 0.9);
    color: rgba(10, 14, 39, 0.6);
}

.footer p {
    margin: 10px 0;
    font-size: 14px;
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-in-element {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-element.slide-left {
    transform: translateX(-60px);
}

.fade-in-element.scale-up {
    transform: translateY(30px) scale(0.9);
}

.fade-in-visible {
    opacity: 1 !important;
    transform: translateY(0) translateX(0) scale(1) !important;
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--dark-bg);
    border: none;
    border-radius: 50%;
    font-size: 24px;
    font-weight: 700;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-top.show {
    display: flex;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 50px rgba(0, 255, 136, 0.8);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .nav-menu {
        gap: 20px;
    }

    .nav-link {
        font-size: 14px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .experience-timeline::before {
        left: 0;
    }

    .timeline-item .timeline-content {
        width: calc(100% - 40px);
        margin-left: 40px;
        margin-right: 0;
        text-align: left;
    }

    .timeline-marker {
        left: 0;
    }

    .section-title {
        font-size: 36px;
    }

    .stat-number {
        font-size: 28px;
    }

    .skills-grid,
    .achievements-grid,
    .journey-grid,
    .contact-links {
        grid-template-columns: 1fr;
    }

    .contact-link {
        flex-direction: column;
        text-align: center;
    }

    @media (max-width: 600px) {
        .nav-menu {
            position: fixed;
            left: 0;
            top: 70px;
            flex-direction: column;
            width: 100%;
            background: rgba(10, 14, 39, 0.95);
            padding: 20px;
            gap: 15px;
            max-height: calc(100vh - 70px);
            overflow-y: auto;
            display: none;
        }

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

        .nav-toggle {
            display: flex;
        }

        .hero-title {
            font-size: 28px;
        }

        .hero-subtitle {
            font-size: 16px;
        }

        .profile-image {
            width: 200px;
            height: 200px;
        }

        .image-glow {
            width: 240px;
            height: 240px;
        }

        .stat-card {
            padding: 20px;
        }

        .section-title {
            font-size: 28px;
        }

        .stat-number {
            font-size: 24px;
        }

        section {
            padding: 60px 0;
        }
    }
}

/* ===== NAV ACTIONS (theme toggle + menu wrapper) ===== */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* ===== PROJECT BULLETS (Technical Projects section) ===== */
.project-points {
    margin-top: 10px;
    margin-left: 0;
    padding: 0;
    list-style: none;
}

.project-points li {
    position: relative;
    padding-left: 16px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 6px;
}

.project-points li:before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

body.light-theme .project-points li {
    color: var(--text-light-secondary);
}

/* ===== EDUCATION EXTRA LINE ===== */
.education-card p.education-extra {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 8px;
}

body.light-theme .education-card p.education-extra {
    color: var(--text-light-secondary);
}

/* ===== PUBLICATION LINKS ===== */
.publication-venue a {
    color: var(--primary-color);
    text-decoration: none;
}

.publication-venue a:hover {
    text-decoration: underline;
}

body.light-theme .publication-venue a {
    color: var(--accent-color-light);
}