/* Global Styles & Variables */
:root {
    --bg-color: #050505;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-primary: #bd00ff;
    /* Neon Purple */
    --accent-secondary: #00f3ff;
    /* Neon Cyan */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

.section-padding {
    padding: 100px 0;
}

.text-gradient {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-brand {
    background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glow-text {
    text-shadow: 0 0 20px rgba(189, 0, 255, 0.3);
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    padding-bottom: 80px;
    /* Added to prevent content form being hidden behind nav or top edge */
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 80vw;
    height: 80vw;
    background: radial-gradient(circle, rgba(189, 0, 255, 0.15) 0%, transparent 70%);
    z-index: -1;
    filter: blur(100px);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -20%;
    width: 80vw;
    height: 80vw;
    background: radial-gradient(circle, rgba(0, 243, 255, 0.1) 0%, transparent 70%);
    z-index: -1;
    filter: blur(100px);
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 5rem;
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.2s;
}

.hero p {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.4s;
}

.btn-group {
    display: flex;
    gap: 20px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.6s;
}

.btn {
    padding: 15px 35px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 100%);
    color: white;
    box-shadow: 0 10px 30px rgba(189, 0, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(189, 0, 255, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-primary);
}

/* Projects Section */
.projects {
    position: relative;
    z-index: 1;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 60px;
    text-align: center;
}

.project-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 40px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--accent-secondary), var(--accent-primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.project-title {
    font-size: 2rem;
    color: var(--text-primary);
}

.project-type {
    font-size: 0.9rem;
    color: var(--accent-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid var(--accent-secondary);
    padding: 5px 15px;
    border-radius: 20px;
}

.project-desc {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.project-list {
    margin-bottom: 30px;
    padding-left: 10px;
}

.project-list li {
    color: var(--text-secondary);
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
    font-size: 1.05rem;
}

.project-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-secondary);
}

.project-links a {
    color: var(--text-primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.project-links a:hover {
    color: var(--accent-secondary);
}

/* Timeline / Experience */
.timeline-item {
    border-left: 2px solid var(--glass-border);
    padding-left: 40px;
    margin-bottom: 50px;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-primary);
    box-shadow: 0 0 10px var(--accent-primary);
}

.timeline-date {
    font-size: 0.9rem;
    color: var(--accent-secondary);
    margin-bottom: 10px;
    display: block;
}

.timeline-title {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.timeline-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.timeline-content ul li {
    margin-bottom: 10px;
    color: var(--text-secondary);
    position: relative;
    padding-left: 20px;
}

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

/* Experience Grid for Mobile/Card like feel */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.xp-card {
    background: var(--glass-bg);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.xp-card:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* Skills */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.skill-tag {
    padding: 10px 20px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    transition: var(--transition);
}

.skill-tag:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    transform: scale(1.05);
}

/* Spacing Adjustments */
#experience {
    padding-bottom: 20px;
}

#leadership {
    padding-top: 20px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

/* Footer */
footer {
    padding: 50px 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
}

.social-links a {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.social-links a:hover {
    color: var(--accent-secondary);
    transform: translateY(-3px);
}

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

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

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }

    .nav-links {
        display: none;
    }

    .project-header {
        flex-direction: column;
        gap: 10px;
    }

    .xp-card[style*="grid-column: span 2"] {
        grid-column: span 1 !important;
    }
}