:root {
    --bg-color: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-primary: #38bdf8;
    --accent-secondary: #818cf8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --card-hover: rgba(255, 255, 255, 0.1);
}

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

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

/* Background Animation */
#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
}

/* Typography */
h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.about-text {
    position: relative;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--accent-primary);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
}

.about-text::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 20px;
    font-size: 8rem;
    color: var(--accent-primary);
    opacity: 0.1;
    font-family: serif;
    line-height: 1;
}

.lead {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 2rem;
    font-weight: 400;
    line-height: 1.4;
    font-style: italic;
    letter-spacing: 0.5px;
}

.highlight {
    color: var(--accent-primary);
    font-weight: 600;
    position: relative;
    text-shadow: 0 0 15px rgba(56, 189, 248, 0.3);
}

.about-text p:not(.lead) {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

h2.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(to right, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text {
    background: linear-gradient(to right, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Layout */
.section-padding {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Navigation - Floating Glass Pill */
.glass-nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 1000;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.glass-nav.scrolled {
    background: rgba(15, 23, 42, 0.85);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--accent-primary);
}

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

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

.mobile-menu-btn {
    display: none;
    cursor: pointer;
}

/* Hero */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 80px;
}

.hero-content {
    flex: 1;
    padding-right: 2rem;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-primary);
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
}

.cta-group {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--accent-primary);
    color: #000;
}

.btn-primary:hover {
    background: var(--accent-secondary);
}

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

.btn-secondary:hover {
    background: var(--glass-bg);
    border-color: var(--accent-primary);
}

/* Code Card Visual */
.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.code-card {
    width: 100%;
    max-width: 500px;
    padding: 1.5rem;
    border-radius: 12px;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s;
}

.code-card:hover {
    transform: perspective(1000px) rotateY(0) rotateX(0);
}

.code-header {
    display: flex;
    gap: 8px;
    margin-bottom: 1rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.red {
    background: #ff5f56;
}

.yellow {
    background: #ffbd2e;
}

.green {
    background: #27c93f;
}

pre {
    color: #d4d4d4;
    overflow-x: auto;
}

.keyword {
    color: #c586c0;
}

.class-name {
    color: #4ec9b0;
}

.string {
    color: #ce9178;
}

.function {
    color: #dcdcaa;
}

.this {
    color: #569cd6;
}

.return {
    color: #c586c0;
}

.param {
    color: #9cdcfe;
}

/* Skills */
.skills-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.skill-category {
    padding: 2rem;
}

.skill-category h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.skill-tag:hover {
    background: rgba(56, 189, 248, 0.1);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

/* Projects */
.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--accent-primary);
    color: #000;
    border-color: var(--accent-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    flex: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 1.5rem;
}

.tech-pill {
    font-size: 0.75rem;
    padding: 2px 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--accent-primary);
}

.project-links {
    display: flex;
    gap: 1rem;
    margin-top: auto;
}

.project-link {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
}

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

/* Contact */
.contact-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 3rem;
    text-align: center;
}

.contact-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.contact-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.2);
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(56, 189, 248, 0.4);
}

.contact-details {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.social-links a {
    color: var(--text-secondary);
    transition: all 0.3s;
}

.social-links a:hover {
    color: var(--accent-primary);
    transform: scale(1.1);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--glass-border);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 3rem;
    }

    .cta-group {
        justify-content: center;
    }

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

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }
}