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

:root {
    --primary-bg: #0a0a0a;
    --secondary-bg: #111111;
    --accent-bg: #1a1a1a;
    --primary-color: #10b981;
    --secondary-color: #059669;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;
    --border-color: #10b981;
    --gradient-primary: linear-gradient(135deg, #10b981, #059669);
    --gradient-secondary: linear-gradient(135deg, #059669, #047857);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 100%;
    margin: 0;
    padding: 0 20px 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    perspective: 1000px;
}

.logo-flip {
    position: relative;
    width: 120px;
    height: 40px;
    transform-style: preserve-3d;
    animation: logoFold 6s ease-in-out infinite;
}

.nav-logo .logo-text {
    position: absolute;
    top: 0;
    left: 0;
    font-size: 1.8rem;
    font-weight: bold;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.logo-front {
    transform: rotateX(0deg);
}

.logo-back {
    transform: rotateX(180deg);
}

@keyframes logoFold {

    0%,
    40% {
        transform: rotateX(0deg);
    }

    50%,
    90% {
        transform: rotateX(180deg);
    }

    100% {
        transform: rotateX(360deg);
    }
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

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

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

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

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

/* Theme Toggle Button in Navbar */
.theme-toggle-nav {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    margin-left: 1rem;
}

.theme-toggle-nav:hover {
    background: var(--primary-color);
    color: var(--primary-bg);
    transform: rotate(180deg);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* 3D Canvas Background */
#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* Dark Overlay for text readability */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(10, 10, 10, 0.9) 0%, rgba(10, 10, 10, 0.7) 40%, transparent 100%);
    z-index: 1;
}

.hero-content {
    width: 100%;
    max-width: 1200px;
    margin: 0;
    padding: 0 20px 0 60px;
    position: relative;
    z-index: 2;
}

.hero-text {
    max-width: 550px;
    text-align: left;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.typing-text::after {
    content: '|';
    display: inline-block;
    animation: blink 1s infinite;
}

@keyframes blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: flex-start;
}

.btn-primary,
.btn-secondary {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--primary-bg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: var(--gradient-secondary);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--primary-bg);
    transform: translateY(-2px);
}

.btn-outline {
    padding: 12px 30px;
    border: 2px dashed var(--primary-color);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--primary-bg);
    border-style: solid;
    transform: translateY(-2px);
}

.btn-outline i {
    font-size: 0.9rem;
}

/* Circuit Animation */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.circuit-animation {
    width: 300px;
    height: 300px;
    position: relative;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

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

.node {
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    position: absolute;
}

.node:nth-child(1) {
    top: 50px;
    left: 50px;
}

.node:nth-child(2) {
    top: 50px;
    right: 50px;
}

.node:nth-child(3) {
    bottom: 50px;
    left: 50px;
}

.node:nth-child(4) {
    bottom: 50px;
    right: 50px;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.connection {
    position: absolute;
    background: var(--gradient-primary);
    height: 2px;
    animation: flow 3s ease-in-out infinite;
}

.connection:nth-child(5) {
    top: 56px;
    left: 62px;
    right: 62px;
}

.connection:nth-child(6) {
    bottom: 56px;
    left: 62px;
    right: 62px;
}

.connection:nth-child(7) {
    top: 62px;
    bottom: 62px;
    left: 56px;
    width: 2px;
}

@keyframes flow {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 1;
    }
}

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--secondary-bg);
}

/* Profile Photo */
.profile-photo-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: -80px;
    position: relative;
    z-index: 10;
}

.profile-photo {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--primary-color);
    opacity: 0;
    transform: translateY(20px) scale(0.9);
    transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

.profile-photo.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.about .section-title {
    padding-top: 60px;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.education {
    margin-top: 2rem;
}

.education h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.education-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--accent-bg);
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.education-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.education-item h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.education-item p {
    color: var(--text-muted);
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--accent-bg);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.1);
}

.stat-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-secondary);
}

/* Experience & Leadership Section */
.experience {
    padding: 100px 0;
    background: var(--primary-bg);
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.experience-card {
    background: var(--accent-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
}

.experience-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.experience-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.experience-icon i {
    font-size: 1.5rem;
    color: var(--primary-bg);
}

.experience-card h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.experience-card .role {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.experience-card .duration {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Achievements & Certifications Section */
.achievements {
    padding: 100px 0;
    background: var(--secondary-bg);
}

.achievements-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.achievement-card {
    background: var(--accent-bg);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.achievement-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 50px rgba(16, 185, 129, 0.15);
}

.achievement-image {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.achievement-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.achievement-card:hover .achievement-image img {
    transform: scale(1.05);
}

.achievement-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    backdrop-filter: blur(10px);
}

.achievement-badge.champions {
    background: linear-gradient(135deg, #ffd700, #ffb300);
    color: #1a1a1a;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
}

.achievement-badge.runners-up {
    background: linear-gradient(135deg, #c0c0c0, #a8a8a8);
    color: #1a1a1a;
    box-shadow: 0 4px 15px rgba(192, 192, 192, 0.4);
}

.achievement-badge.finalist {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.achievement-content {
    padding: 1.5rem;
}

.achievement-content h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.achievement-organizer {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.achievement-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Awards & Honors Section */
.awards-section {
    background: var(--accent-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.awards-title {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

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

.award-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--secondary-bg);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.award-item:hover {
    background: var(--primary-bg);
    transform: translateX(5px);
    border-left: 3px solid var(--primary-color);
}

.award-item>i {
    color: #ffd700;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.award-item:last-child>i {
    color: #ffd700;
}

.award-content h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.award-content p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Certifications Section */
.certifications-section {
    background: var(--accent-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.certifications-title {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

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

.certification-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--secondary-bg);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.certification-item:hover {
    background: var(--primary-bg);
    transform: translateX(5px);
}

.certification-item i {
    color: var(--primary-color);
    font-size: 1rem;
    flex-shrink: 0;
}

.certification-item span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Projects Section */
.projects {
    padding: 100px 0;
    background: var(--primary-bg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--accent-bg);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.1);
}

.project-image {
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image i {
    font-size: 4rem;
    color: var(--primary-bg);
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    background: var(--primary-color);
    color: var(--primary-bg);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.project-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    gap: 1rem;
}

/* Skills Section */
.skills {
    padding: 100px 0;
    background: var(--secondary-bg);
}

.skills-tags-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.skill-tag {
    background: var(--accent-bg);
    color: var(--text-primary);
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--primary-color);
    color: var(--primary-bg);
    transform: translateY(-3px);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.skill-category {
    background: var(--accent-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-item span {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.skill-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 1s ease;
}

/* Articles Section */
.articles {
    padding: 100px 0;
    background: var(--primary-bg);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-top: -1.5rem;
    margin-bottom: 3rem;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.article-card {
    background: var(--accent-bg);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: all 0.3s ease;
}

.article-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.15);
}

.article-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-icon i {
    font-size: 1.5rem;
    color: var(--primary-bg);
}

.article-title {
    font-size: 1.3rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.article-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.article-read-more {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
    transition: all 0.3s ease;
}

.article-card:hover .article-read-more {
    gap: 0.8rem;
}

.article-read-more i {
    font-size: 0.8rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--primary-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-methods {
    margin-bottom: 2rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--accent-bg);
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.contact-method i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.contact-method h4 {
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.contact-method p {
    color: var(--text-secondary);
    margin: 0;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--accent-bg);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--primary-bg);
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form {
    background: var(--accent-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-text p {
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

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

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

    .hero-content {
        grid-template-columns: 1fr;
        padding: 0 20px;;
    }

    .hero-title {
        font-size: 2.5rem;
    }
    .about .section-title {
        padding-top: 80px;  /* Pushes only "About Me" title down on mobile */
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-buttons {
        justify-content: flex-start;
    }
}

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

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .btn-primary,
    .btn-secondary {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .about-stats {
        flex-direction: column;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--primary-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Loading animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Star Animation Styles */
.star-animation-container {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
    overflow: visible;
}

.star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    opacity: 0.8;
    animation: star-blink 2s infinite;
}

@keyframes star-blink {

    0%,
    100% {
        opacity: 0.8;
    }

    50% {
        opacity: 0.2;
    }
}

.shooting-star {
    position: absolute;
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, white, rgba(255, 255, 255, 0));
    border-radius: 2px;
    opacity: 0.8;
    pointer-events: none;
    z-index: 3;
    animation: shooting-star 1s linear forwards;
}

@keyframes shooting-star {
    0% {
        opacity: 0;
        transform: translateX(0) scaleX(0.5) rotateZ(-20deg);
    }

    10% {
        opacity: 1;
        transform: translateX(0) scaleX(1) rotateZ(-20deg);
    }

    100% {
        opacity: 0;
        transform: translateX(400px) scaleX(1) rotateZ(-20deg);
    }
}

/* ============================================
   Section Background Animations
   ============================================ */

/* Common Background Container */
.section-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

/* Make sections relative for positioning */
.about,
.experience,
.achievements,
.projects,
.skills,
.articles,
.contact {
    position: relative;
    overflow: hidden;
}

.about .container,
.experience .container,
.achievements .container,
.projects .container,
.skills .container,
.articles .container,
.contact .container {
    position: relative;
    z-index: 1;
}

/* 1. Circuit Pattern - About Section */
.circuit-bg {
    background-image:
        linear-gradient(90deg, rgba(16, 185, 129, 0.03) 1px, transparent 1px),
        linear-gradient(rgba(16, 185, 129, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: circuitPulse 4s ease-in-out infinite;
}

.circuit-bg::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 30%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(5, 150, 105, 0.08) 0%, transparent 50%);
    animation: circuitGlow 6s ease-in-out infinite alternate;
}

@keyframes circuitPulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

@keyframes circuitGlow {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.1);
    }
}

/* 2. Gradient Mesh - Experience Section */
.gradient-mesh-bg {
    background:
        radial-gradient(ellipse at 10% 20%, rgba(16, 185, 129, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 80%, rgba(5, 150, 105, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(16, 185, 129, 0.05) 0%, transparent 70%);
    animation: meshFloat 10s ease-in-out infinite;
}

.gradient-mesh-bg::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    top: 10%;
    left: -5%;
    animation: blobMove1 15s ease-in-out infinite;
}

.gradient-mesh-bg::after {
    content: '';
    position: absolute;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(5, 150, 105, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    bottom: 10%;
    right: -5%;
    animation: blobMove2 12s ease-in-out infinite;
}

@keyframes meshFloat {

    0%,
    100% {
        opacity: 0.8;
    }

    50% {
        opacity: 1;
    }
}

@keyframes blobMove1 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, 50px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 30px) scale(0.9);
    }
}

@keyframes blobMove2 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(-40px, -30px) scale(1.15);
    }

    66% {
        transform: translate(20px, -50px) scale(0.95);
    }
}

/* 3. Particle Network - Achievements Section (CSS fallback) */
.particle-bg {
    background-image:
        radial-gradient(circle at 10% 20%, rgba(16, 185, 129, 0.3) 2px, transparent 2px),
        radial-gradient(circle at 30% 60%, rgba(16, 185, 129, 0.2) 1px, transparent 1px),
        radial-gradient(circle at 50% 30%, rgba(5, 150, 105, 0.25) 2px, transparent 2px),
        radial-gradient(circle at 70% 80%, rgba(16, 185, 129, 0.2) 1px, transparent 1px),
        radial-gradient(circle at 90% 40%, rgba(5, 150, 105, 0.3) 2px, transparent 2px);
    background-size: 100% 100%;
    animation: particleFloat 8s ease-in-out infinite;
}

@keyframes particleFloat {

    0%,
    100% {
        background-position: 0% 0%, 10% 10%, 20% 20%, 30% 30%, 40% 40%;
    }

    50% {
        background-position: 5% 3%, 15% 8%, 25% 15%, 35% 25%, 45% 35%;
    }
}

/* 4. Geometric Grid with Pulse - Projects Section */
.grid-pulse-bg {
    background-image:
        linear-gradient(90deg, rgba(16, 185, 129, 0.05) 1px, transparent 1px),
        linear-gradient(rgba(16, 185, 129, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
}

.grid-pulse-bg::before {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    background: rgba(16, 185, 129, 0.6);
    border-radius: 50%;
    top: 20%;
    left: 30%;
    animation: gridPulse 3s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

.grid-pulse-bg::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: rgba(5, 150, 105, 0.5);
    border-radius: 50%;
    top: 60%;
    right: 25%;
    animation: gridPulse 3s ease-in-out infinite 1.5s;
    box-shadow: 0 0 15px rgba(5, 150, 105, 0.3);
}

@keyframes gridPulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.6;
    }

    50% {
        transform: scale(2);
        opacity: 0.2;
    }
}

/* 5. Noise/Grain Texture - Skills Section */
.noise-bg {
    background-color: transparent;
}

.noise-bg::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    animation: noiseShift 0.5s steps(5) infinite;
}

@keyframes noiseShift {
    0% {
        transform: translate(0, 0);
    }

    20% {
        transform: translate(-2%, -2%);
    }

    40% {
        transform: translate(2%, 2%);
    }

    60% {
        transform: translate(-1%, 1%);
    }

    80% {
        transform: translate(1%, -1%);
    }

    100% {
        transform: translate(0, 0);
    }
}

/* 6. Wave Lines - Articles Section */
.wave-bg {
    overflow: hidden;
}

.wave-bg::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 100%;
    background: repeating-linear-gradient(0deg,
            transparent,
            transparent 50px,
            rgba(16, 185, 129, 0.03) 50px,
            rgba(16, 185, 129, 0.03) 51px);
    animation: waveMove 20s linear infinite;
}

.wave-bg::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'%3E%3Cpath d='M0,60 C300,100 600,20 900,60 C1050,85 1150,45 1200,60 L1200,120 L0,120 Z' fill='rgba(16,185,129,0.05)'/%3E%3C/svg%3E");
    background-size: 100% 100%;
    animation: waveFloat 8s ease-in-out infinite;
}

@keyframes waveMove {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

@keyframes waveFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* 7. Floating Shapes - Contact Section */
.floating-shapes-bg {
    overflow: hidden;
}

.floating-shapes-bg .shape {
    position: absolute;
    border: 1px solid rgba(16, 185, 129, 0.2);
    opacity: 0.5;
}

.floating-shapes-bg .shape-1 {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    top: 15%;
    left: 10%;
    animation: floatShape 12s ease-in-out infinite;
}

.floating-shapes-bg .shape-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    right: 15%;
    transform: rotate(45deg);
    animation: floatShape 10s ease-in-out infinite 2s;
}

.floating-shapes-bg .shape-3 {
    width: 100px;
    height: 100px;
    border-radius: 30%;
    bottom: 20%;
    left: 20%;
    animation: floatShape 14s ease-in-out infinite 4s;
}

.floating-shapes-bg .shape-4 {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    top: 30%;
    right: 30%;
    animation: floatShape 8s ease-in-out infinite 1s;
}

@keyframes floatShape {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.3;
    }

    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.6;
    }
}