/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

h1, h2, h3 {
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    position: relative;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0;
    letter-spacing: 0.2em;
    transition: all 0.3s ease;
}

.logo .letter {
    display: inline-block;
    background: linear-gradient(45deg, #17a2b8, #3cba92, #17a2b8);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
    transition: transform 0.8s ease, opacity 0.8s ease;
}

.logo .letter:hover {
    transform: scale(1.4);
    opacity: 0.8;
}

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

/* Burger Menu */
.burger-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.burger-menu span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.burger-menu.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.burger-menu.active span:nth-child(2) {
    opacity: 0;
}

.burger-menu.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

nav ul {
    display: flex;
    list-style: none;
    transition: all 0.3s ease;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #17a2b8;
}

/* Hero Section */
#hero {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #3cba92 100%);
    color: white;
    padding: 0 2rem;
    position: relative;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.15)"/><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="80" r="1.5" fill="rgba(255,255,255,0.12)"/><circle cx="30" cy="70" r="1" fill="rgba(255,255,255,0.08)"/><circle cx="70" cy="30" r="1.5" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    animation: float 15s infinite linear;
}

#hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    animation: shimmer 3s infinite;
}

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

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.hero-content {
    flex: 1;
    z-index: 1;
    animation: slideInLeft 1s ease-out;
}

@keyframes slideInLeft {
    0% { transform: translateX(-100px); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease-out 0.5s both;
    transition: transform 0.3s ease;
}

.hero-content h2 .word {
    display: inline-block;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.hero-content .letter {
    display: inline-block;
    transition: transform 0.8s ease, opacity 0.8s ease;
}

@keyframes fadeInUp {
    0% { transform: translateY(30px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 1s both;
    transition: transform 0.3s ease;
}

.cta-button {
    display: inline-block;
    background: #17a2b8;
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(23, 162, 184, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(23, 162, 184, 0.4);
}



/* Experience Section - Solar System */
#experience {
    padding: 5rem 2rem;
    background: #0a0a0a;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#experience h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #fff;
    text-shadow: 0 0 20px rgba(23, 162, 184, 0.5);
    z-index: 10;
    position: relative;
}

.experience-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4rem;
    max-width: 1400px;
    width: 100%;
}

.solar-system {
    position: relative;
    width: 600px;
    height: 600px;
    flex-shrink: 0;
}

/* Sun */
.sun {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
}

.sun-core {
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, #ff6b35, #f7931e, #ff4757);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 30px rgba(255, 107, 53, 0.8);
    animation: sun-pulse 2s ease-in-out infinite alternate;
}

.sun-core span {
    color: white;
    font-weight: bold;
    font-size: 1.5rem;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

.sun-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: sun-glow 3s ease-in-out infinite alternate;
}

@keyframes sun-pulse {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

@keyframes sun-glow {
    0% { opacity: 0.3; transform: scale(1); }
    100% { opacity: 0.6; transform: scale(1.2); }
}

/* Orbits */
.orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 1px solid rgba(23, 162, 184, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: orbit-rotate linear infinite;
}

.orbit-1 {
    width: 150px;
    height: 150px;
    animation-duration: 8s;
}

.orbit-2 {
    width: 200px;
    height: 200px;
    animation-duration: 12s;
}

.orbit-3 {
    width: 250px;
    height: 250px;
    animation-duration: 16s;
}

.orbit-4 {
    width: 300px;
    height: 300px;
    animation-duration: 20s;
}

.orbit-5 {
    width: 350px;
    height: 350px;
    animation-duration: 24s;
}

.orbit-6 {
    width: 400px;
    height: 400px;
    animation-duration: 28s;
}

.orbit-7 {
    width: 450px;
    height: 450px;
    animation-duration: 32s;
}

.orbit-8 {
    width: 500px;
    height: 500px;
    animation-duration: 36s;
}

.orbit-9 {
    width: 550px;
    height: 550px;
    animation-duration: 40s;
}

@keyframes orbit-rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Planets */
.planet {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    cursor: pointer;
    transition: all 0.3s ease;
}

.planet:hover,
.planet.near {
    transform: translateX(-50%) scale(1.5);
}

.planet-body {
    width: 20px;
    height: 20px;
    background: radial-gradient(circle, #4a90e2, #357abd);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(74, 144, 226, 0.5);
    position: relative;
}

.planet-glow {
    position: absolute;
    top: -5px;
    left: -5px;
    width: 30px;
    height: 30px;
    background: radial-gradient(circle, rgba(74, 144, 226, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: planet-glow 2s ease-in-out infinite alternate;
}

@keyframes planet-glow {
    0% { opacity: 0.3; transform: scale(1); }
    100% { opacity: 0.6; transform: scale(1.1); }
}

/* Planet labels */
.planet-label {
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font-size: 0.8rem;
    font-weight: bold;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.8);
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 10;
}

.planet:hover .planet-label {
    opacity: 1;
}

/* Different planet colors */
.planet-1 .planet-body { background: radial-gradient(circle, #ff6b35, #e55a2b); }
.planet-2 .planet-body { background: radial-gradient(circle, #4ecdc4, #44a08d); }
.planet-3 .planet-body { background: radial-gradient(circle, #45b7d1, #3a9fbf); }
.planet-4 .planet-body { background: radial-gradient(circle, #f9ca24, #f0932b); }
.planet-5 .planet-body { background: radial-gradient(circle, #6c5ce7, #5a4fcf); }
.planet-6 .planet-body { background: radial-gradient(circle, #fd79a8, #e84393); }
.planet-7 .planet-body { background: radial-gradient(circle, #00b894, #00a085); }
.planet-8 .planet-body { background: radial-gradient(circle, #e17055, #d63031); }
.planet-9 .planet-body { background: radial-gradient(circle, #a29bfe, #8c7ae6); }

/* Experience panel */
.experience-panel {
    width: 350px;
    height: 400px;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.experience-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.05)"/><circle cx="80" cy="80" r="1.5" fill="rgba(255,255,255,0.08)"/></svg>') repeat;
    opacity: 0.3;
    z-index: 1;
}

.panel-content {
    position: relative;
    z-index: 2;
}

.panel-content h3 {
    color: #17a2b8;
    font-size: 1.4rem;
    margin-bottom: 1rem;
    text-align: center;
}

.panel-content p {
    color: #ccc;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

#panel-description {
    color: #fff;
    font-size: 1rem;
    text-align: center;
}

/* Modal */
.experience-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    margin: 15% auto;
    padding: 2rem;
    border-radius: 15px;
    width: 80%;
    max-width: 600px;
    color: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    animation: modal-appear 0.3s ease-out;
}

@keyframes modal-appear {
    0% { opacity: 0; transform: scale(0.8) translateY(-20px); }
    100% { opacity: 1; transform: scale(1) translateY(0); }
}

.close-modal {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.close-modal:hover {
    color: white;
}

#modal-company {
    margin-top: 0;
    color: #17a2b8;
    font-size: 1.5rem;
}

#modal-period {
    color: #ccc;
    font-style: italic;
}

#modal-description {
    line-height: 1.6;
}

/* Stars for solar system background */
.star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    animation: twinkle 3s infinite;
    z-index: 1;
}

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

/* Projects Section - Tech Stack Nebula */
#projects {
    padding: 5rem 2rem;
    background: #0a0a0a;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#projects h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #fff;
    text-shadow: 0 0 20px rgba(23, 162, 184, 0.5);
    z-index: 10;
    position: relative;
}

.projects-nebula {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4rem;
    max-width: 1600px;
    width: 100%;
}

.nebula-container {
    position: relative;
    width: 1200px;
    height: 600px;
}

.nebula-svg {
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(23, 162, 184, 0.1) 0%, rgba(0, 0, 0, 0.8) 70%);
    border-radius: 10px;
}

/* Nebula particles */
.nebula-particle {
    fill: rgba(255, 255, 255, 0.8);
    stroke: rgba(23, 162, 184, 0.5);
    stroke-width: 1;
    transition: all 0.3s ease;
}

.nebula-particle:hover {
    fill: rgba(23, 162, 184, 1);
    stroke: rgba(255, 255, 255, 0.8);
    stroke-width: 2;
}

.nebula-core {
    fill: radial-gradient(circle, rgba(23, 162, 184, 0.8), rgba(23, 162, 184, 0.3));
    stroke: rgba(255, 255, 255, 0.5);
    stroke-width: 2;
    filter: blur(1px);
}

.nebula-core:hover {
    fill: radial-gradient(circle, rgba(23, 162, 184, 1), rgba(23, 162, 184, 0.5));
    stroke: rgba(255, 255, 255, 0.8);
    stroke-width: 3;
    filter: blur(0.5px);
}

/* Nebula labels */
.nebula-label {
    pointer-events: none;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    user-select: none;
}

.nebula-label:hover {
    fill: #17a2b8;
}

/* Tech stack particles */
.tech-particle {
    fill: rgba(255, 255, 255, 0.6);
    stroke: rgba(23, 162, 184, 0.3);
    stroke-width: 1;
    transition: all 0.3s ease;
}

.tech-particle:hover {
    fill: rgba(23, 162, 184, 0.9);
    stroke: rgba(255, 255, 255, 0.6);
    stroke-width: 2;
}

/* Project panel */
.project-panel {
    width: 350px;
    height: 400px;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.project-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.05)"/><circle cx="80" cy="80" r="1.5" fill="rgba(255,255,255,0.08)"/></svg>') repeat;
    opacity: 0.3;
    z-index: 1;
}

.panel-content {
    position: relative;
    z-index: 2;
}

.panel-content h3 {
    color: #17a2b8;
    font-size: 1.4rem;
    margin-bottom: 1rem;
    text-align: center;
}

.panel-content p {
    color: #ccc;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    text-align: center;
}

#project-panel-description {
    color: #fff;
    font-size: 1rem;
    text-align: center;
}

/* Tech stack display */
.tech-stack {
    margin-top: 1rem;
}

.tech-tag {
    display: inline-block;
    background: rgba(23, 162, 184, 0.2);
    color: #17a2b8;
    padding: 0.3rem 0.8rem;
    margin: 0.2rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    border: 1px solid rgba(23, 162, 184, 0.3);
    transition: all 0.3s ease;
}

.tech-tag:hover {
    background: rgba(23, 162, 184, 0.4);
    transform: scale(1.05);
}

/* Nebula background effects */
.nebula-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 40%, rgba(23, 162, 184, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 60%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 50% 80%, rgba(78, 205, 196, 0.1) 0%, transparent 50%);
    animation: nebula-drift 20s ease-in-out infinite alternate;
}

@keyframes nebula-drift {
    0% { transform: translateX(0) translateY(0) scale(1); }
    100% { transform: translateX(20px) translateY(-10px) scale(1.05); }
}

/* Technologies Section - Force Directed Graph */
#technologies {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#technologies > h2 {
    margin-bottom: 2rem;
}

#technologies .content-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    max-width: 1600px;
    width: 100%;
}

#technologies h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #fff;
    text-shadow: 0 0 20px rgba(23, 162, 184, 0.5);
    z-index: 10;
    position: relative;
}

.force-graph {
    position: relative;
    width: 1200px;
    height: 600px;
}

.graph-svg {
    width: 100%;
    height: 100%;
}

/* Links (edges) */
.link {
    stroke: rgba(23, 162, 184, 0.3);
    stroke-width: 2;
    fill: none;
    transition: all 0.3s ease;
}

.link.active {
    stroke: rgba(23, 162, 184, 0.9);
    stroke-width: 3;
}

.link.focused {
    stroke: rgba(23, 162, 184, 1);
    stroke-width: 4;
}

/* Nodes */
.node {
    cursor: pointer;
}

.node.core {
    /* Core skill groups */
}

.node.leaf {
    /* Individual skills */
}

.node-circle {
    stroke: #fff;
    stroke-width: 2px;
    transition: stroke-width 0.3s ease, filter 0.3s ease;
}

.node.core .node-circle {
    r: 25;
    fill: radial-gradient(circle, #ff6b35, #e55a2b);
}

.node.leaf .node-circle {
    r: 15;
    fill: radial-gradient(circle, #4a90e2, #357abd);
}

/* Different node colors */
.node[data-group="Backend"] .node-circle { fill: radial-gradient(circle, #ff6b35, #e55a2b); }
.node[data-group="Frontend"] .node-circle { fill: radial-gradient(circle, #4ecdc4, #44a08d); }
.node[data-group="AI/ML"] .node-circle { fill: radial-gradient(circle, #45b7d1, #3a9fbf); }
.node[data-group="Languages"] .node-circle { fill: radial-gradient(circle, #f9ca24, #f0932b); }
.node[data-group="Other"] .node-circle { fill: radial-gradient(circle, #6c5ce7, #5a4fcf); }

/* Node hover effects */
.node.hovered .node-circle {
    stroke-width: 4px !important;
    filter: drop-shadow(0 0 10px rgba(23, 162, 184, 0.8));
    transform: scale(1.2);
}

.node.hovered .node-label {
    opacity: 1 !important;
    fill: #17a2b8;
    font-weight: bold;
}

/* Node labels */
.node-label {
    fill: #fff;
    font-size: 12px;
    font-weight: bold;
    text-anchor: middle;
    dominant-baseline: middle;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.node:hover .node-label {
    opacity: 1;
}

.node.core .node-label {
    font-size: 14px;
}

/* Skills panel */
.skills-panel {
    width: 350px;
    height: 400px;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.skills-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.05)"/><circle cx="80" cy="80" r="1.5" fill="rgba(255,255,255,0.08)"/></svg>') repeat;
    opacity: 0.3;
    z-index: 1;
}

.panel-content {
    position: relative;
    z-index: 2;
}

.panel-content h3 {
    color: #17a2b8;
    font-size: 1.4rem;
    margin-bottom: 1rem;
    text-align: center;
}

.panel-content p {
    color: #ccc;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    text-align: center;
}

#skills-panel-description {
    color: #fff;
    font-size: 1rem;
    text-align: center;
}

/* Education Section */
#education {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#education::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 40%, rgba(23, 162, 184, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 60%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
    animation: education-bg-float 15s ease-in-out infinite alternate;
}

@keyframes education-bg-float {
    0% { transform: translateX(0) translateY(0); }
    100% { transform: translateX(30px) translateY(-15px); }
}

#education h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #fff;
    text-shadow: 0 0 20px rgba(23, 162, 184, 0.5);
    z-index: 10;
    position: relative;
}

.education-container {
    position: relative;
    z-index: 10;
    max-width: 600px;
    width: 100%;
}

.card-wrapper {
    position: relative;
    width: 100%;
    height: 400px;
    margin: 0 auto;
    cursor: pointer;
}

.card-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    background: transparent;
    z-index: 5;
}

.education-card {
    perspective: 1000px;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.card-front,
.card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: transform 0.6s ease-in-out;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    transform-style: preserve-3d;
}

.card-front {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    transform: rotateY(0deg);
    z-index: 2;
}

.card-back {
    background: linear-gradient(135deg, #16213e, #0f3460);
    transform: rotateY(180deg);
    z-index: 1;
}

.card-wrapper:hover .card-front {
    transform: rotateY(-180deg);
    z-index: 1;
}

.card-wrapper:hover .card-back {
    transform: rotateY(0deg);
    z-index: 2;
}

.education-icon {
    font-size: 4rem;
    color: #17a2b8;
    margin-bottom: 1rem;
    animation: icon-bounce 2s ease-in-out infinite;
}

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

.card-front h3 {
    color: #fff;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.card-front .degree {
    color: #17a2b8;
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.card-front .grade {
    color: #4ecdc4;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.card-front .year {
    color: #ccc;
    font-size: 1rem;
}

.education-details h4 {
    color: #17a2b8;
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.education-details ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.education-details li {
    color: #fff;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.education-details li::before {
    content: '▹';
    color: #17a2b8;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.fun-fact {
    background: rgba(23, 162, 184, 0.1);
    border: 1px solid rgba(23, 162, 184, 0.3);
    border-radius: 10px;
    padding: 1rem;
    margin-top: 1rem;
}

.fun-fact i {
    color: #f9ca24;
    margin-right: 0.5rem;
}

.fun-fact p {
    color: #fff;
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.4;
}

/* Contact Section */
#contact {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #3cba92 100%);
    color: white;
    text-align: center;
}

#contact h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

#contact p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

#contact form {
    max-width: 400px;
    margin: 0 auto;
}

#contact input {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
}

#contact button {
    width: 100%;
    padding: 1rem;
    background: #ff6b6b;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s;
}

#contact button:hover {
    background: #ff5252;
}

/* Footer */
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    /* Burger Menu */
    .burger-menu {
        display: flex !important;
    }

    nav ul {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        height: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 0;
        margin: 0;
        overflow: hidden;
        transition: height 0.3s ease;
        z-index: 999;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    nav ul.active {
        height: 300px;
        padding: 2rem 0;
    }

    nav ul li {
        margin: 1rem 0;
        opacity: 0;
        transform: translateY(-20px);
        transition: all 0.3s ease;
    }

    nav ul.active li {
        opacity: 1;
        transform: translateY(0);
    }

    nav ul.active li:nth-child(1) { transition-delay: 0.1s; }
    nav ul.active li:nth-child(2) { transition-delay: 0.2s; }
    nav ul.active li:nth-child(3) { transition-delay: 0.3s; }
    nav ul.active li:nth-child(4) { transition-delay: 0.4s; }
    nav ul.active li:nth-child(5) { transition-delay: 0.5s; }
    nav ul.active li:nth-child(6) { transition-delay: 0.6s; }

    nav {
        flex-direction: row;
        padding: 1rem;
    }

    .logo h1 {
        font-size: 1rem;
    }

    #hero {
        flex-direction: column;
        text-align: center;
        padding: 4rem 1rem 2rem 1rem; /* Added more top padding for mobile */
        min-height: 100vh;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .experience-container {
        flex-direction: column;
        gap: 2rem;
    }

    .solar-system {
        width: 100%;
        max-width: 500px;
        height: 500px;
    }

    .experience-panel {
        width: 100%;
        max-width: 500px;
        height: auto;
        min-height: 300px;
    }

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

    .force-graph {
        width: 100%;
        height: 400px;
    }

    .skills-panel {
        width: 100%;
        max-width: 500px;
        height: auto;
        min-height: 250px;
    }

    #technologies .content-wrapper {
        flex-direction: column;
        gap: 2rem;
    }

    .force-graph {
        width: 100%;
        max-width: 600px;
        height: 400px;
    }

    /* Education mobile styles */
    .card-wrapper {
        height: 350px;
        max-width: 400px;
    }

    .card-front,
    .card-back {
        padding: 1.5rem;
    }

    .education-icon {
        font-size: 3rem;
    }

    .card-front h3 {
        font-size: 1.5rem;
    }

    .card-front .degree {
        font-size: 1.1rem;
    }

    .card-front .grade {
        font-size: 1rem;
    }

    .card-front .year {
        font-size: 0.9rem;
    }

    .education-details h4 {
        font-size: 1.2rem;
    }

    .education-details li {
        font-size: 0.9rem;
        margin-bottom: 0.4rem;
    }

    .fun-fact {
        padding: 0.8rem;
    }

    .fun-fact p {
        font-size: 0.8rem;
    }

    /* Projects/Nebula mobile styles */
    .projects-nebula {
        flex-direction: column;
        gap: 2rem;
    }

    .nebula-container {
        width: 100%;
        max-width: 600px;
        height: 400px;
    }

    .nebula-svg {
        width: 100%;
        height: 100%;
    }

    .project-panel {
        width: 100%;
        max-width: 600px;
        height: auto;
        min-height: 300px;
    }

    /* Nebula particles and cores mobile adjustments */
    .nebula-core {
        r: 20;
    }

    .tech-particle {
        r: 6;
    }

    .nebula-label {
        font-size: 12px;
    }
}

/* Animations */
@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.fade-in {
    animation: fadeIn 1s ease-out;
}

/* Scroll animations */
section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s, transform 0.6s;
}

section.in-view {
    opacity: 1;
    transform: translateY(0);
}