:root {
    --primary-color: #00aaff; /* Electric Blue */
    --secondary-color: #00ffaa; /* Neon Green */
    --bg-color: #121212;
    --surface-color: #1e1e1e;
    --text-color: #e0e0e0;
    --text-muted: #888;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

h1, h2, h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Navigation */
nav {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    background: rgba(30, 30, 30, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

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

.nav-logo {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    text-decoration: none;
}

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

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

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

/* Hero Section */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

#hero h1 {
    font-size: 4rem;
}

#hero p {
    font-size: 1.5rem;
    color: var(--text-muted);
}

.typing-effect {
    color: var(--secondary-color);
    font-weight: bold;
}

.cta-button {
    display: inline-block;
    margin-top: 2rem;
    padding: 1rem 2rem;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: var(--primary-color);
    color: var(--bg-color);
    box-shadow: 0 0 20px var(--primary-color);
}


/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.skill-card {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 170, 255, 0.2);
}

#skill-tooltip {
    position: fixed;
    display: none;
    background: #333;
    color: white;
    padding: 10px 15px;
    border-radius: 5px;
    font-size: 0.9rem;
    pointer-events: none;
    max-width: 300px;
}


/* Experience Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--surface-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}
.timeline-item:nth-child(even) {
    left: 50%;
    text-align: left;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--bg-color);
    border: 4px solid var(--primary-color);
    top: 25px;
    border-radius: 50%;
    z-index: 1;
}

.timeline-item:nth-child(odd)::after {
    right: -12px;
}
.timeline-item:nth-child(even)::after {
    left: -12px;
}

.timeline-content {
    padding: 20px 30px;
    background-color: var(--surface-color);
    border-radius: 8px;
    cursor: pointer;
}

.timeline-content h3 {
    margin-top: 0;
}
.timeline-content .company {
    font-weight: bold;
    color: var(--secondary-color);
}
.timeline-content .date {
    font-size: 0.9rem;
    color: var(--text-muted);
}
.details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out;
    text-align: left;
}
.details ul {
    list-style-position: inside;
    padding-top: 1rem;
}


/* Contact Section */
#contact {
    background-color: var(--surface-color);
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.contact-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

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

.contact-links i {
    margin-right: 0.5rem;
}

/* ... (your footer CSS) ... */

/* --- Skill Modal Styles --- */
.modal {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    
    /* For centering the box */
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--surface-color);
    padding: 2rem;
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
    position: relative;
    box-shadow: 0 5px 25px rgba(0,0,0,0.5);
    animation: fadeIn 0.3s ease;
}

.close-button {
    color: var(--text-muted);
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-button:hover {
    color: var(--text-color);
}

#modal-skill-title {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}