/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600&display=swap');

:root {
    /* Colors */
    --bg-dark: #030014;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --primary: #7000df;
    --primary-glow: rgba(112, 0, 223, 0.5);
    --secondary: #00d4ff;
    --secondary-glow: rgba(0, 212, 255, 0.5);
    --text-main: #ffffff;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    
    /* Spacing */
    --container-width: 1200px;
    --section-spacing: 8rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--secondary) 0%, #a855f7 50%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary), var(--primary));
    border-radius: 2px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(3, 0, 20, 0.8);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.05em;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-main);
}

.nav-btn {
    padding: 0.6rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
}

.nav-btn:hover {
    background: var(--text-main);
    color: var(--bg-dark);
    border-color: var(--text-main);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.glow-blob {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 10s infinite ease-in-out alternate;
}

.blob-1 {
    top: -100px;
    left: -100px;
    background: var(--primary);
}

.blob-2 {
    bottom: -100px;
    right: -100px;
    background: var(--secondary);
    animation-delay: -5s;
}

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

.hero-content {
    text-align: center;
    z-index: 10;
    max-width: 900px;
}

.hero-subtitle {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 2rem;
    backdrop-filter: blur(5px);
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-group {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-normal);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #4c1d95 100%);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px -10px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -10px var(--primary-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* About Section */
.about {
    padding: var(--section-spacing) 0;
}

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

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 20px;
    transition: var(--transition-normal);
}

.about-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

/* Experience */
.experience {
    padding: var(--section-spacing) 0;
    position: relative;
}

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

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--border-color) 10%, var(--border-color) 90%, transparent);
}

.timeline-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4rem;
    width: 100%;
}

.timeline-content {
    width: 45%;
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    position: relative;
    transition: var(--transition-normal);
}

.timeline-content:hover {
    background: var(--bg-card-hover);
    border-color: var(--secondary);
    box-shadow: 0 0 30px -10px rgba(0, 212, 255, 0.2);
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-dot {
    position: absolute;
    top: 50%;
    left: -3.5rem; /* Adjusted based on width */
    width: 20px;
    height: 20px;
    background: var(--bg-dark);
    border: 4px solid var(--secondary);
    border-radius: 50%;
    transform: translateY(-50%);
    z-index: 2;
    box-shadow: 0 0 15px var(--secondary-glow);
}

.timeline-item:nth-child(odd) .timeline-dot {
    left: auto;
    right: -3.5rem;
}

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

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    overflow: hidden;
    transition: var(--transition-normal);
    group: project-card;
}

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

.project-content {
    padding: 2.5rem;
}

.project-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary) 0%, #4c1d95 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: white;
}

.project-tags {
    display: flex;
    gap: 0.8rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-muted);
}

/* Skills */
.skills-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.skill-category {
    margin-bottom: 2rem;
}

.skill-header {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skill-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.skill-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transform: translateY(-2px);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 3rem 2rem;
    border-radius: 24px;
    text-align: center;
    transition: var(--transition-normal);
}

.contact-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-5px);
    border-color: var(--secondary);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

/* Footer */
.footer {
    padding: 4rem 0;
    background: #010008;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
    text-align: center;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 992px) {
    .section-title { font-size: 2rem; }
    .hero-title { font-size: 3.5rem; }
}

@media (max-width: 768px) {
    .nav-links { display: none; } /* Simplified mobile for now */
    .hero-title { font-size: 2.5rem; }
    .about-grid, .skills-container { grid-template-columns: 1fr; }
    .timeline::before { left: 20px; }
    .timeline-item, .timeline-item:nth-child(odd) {
        flex-direction: column;
        padding-left: 50px;
    }
    .timeline-content { width: 100%; }
    .timeline-dot, .timeline-item:nth-child(odd) .timeline-dot {
        left: 10px;
        right: auto;
    }
}