:root {
    --bg-color: #0a0a0f;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent-primary: #6d28d9;
    --accent-secondary: #4f46e5;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
    box-sizing: border-box;
}

[data-theme="light"] {
    --bg-color: #f3f4f6;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.1);
}

/* Theme Toggle */
.theme-toggle {
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--accent-primary);
    transform: rotate(15deg);
}

[data-theme="dark"] .moon-icon {
    display: none;
}

[data-theme="light"] .sun-icon {
    display: none;
}

html {
    scroll-behavior: smooth;
}

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

/* Background Glow */
.background-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background:
        radial-gradient(circle at 15% 50%, rgba(109, 40, 217, 0.15) 0%, transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(6, 182, 212, 0.15) 0%, transparent 25%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1,
h2,
h3 {
    color: inherit;
    transition: var(--transition);
}

/* Buttons */
.btn-primary {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(109, 40, 217, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(109, 40, 217, 0.4);
}

.btn-secondary {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    margin-left: 1rem;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(10, 10, 15, 0.8);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

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

.nav-links a:not(.btn-primary) {
    color: var(--text-secondary);
}

.nav-links a:not(.btn-primary):hover {
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(6, 182, 212, 0.1);
    color: #67e8f9;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

/* Code Card Visual */
.code-card {
    background: #1e1e24;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    transform: rotate(-3deg);
    transition: var(--transition);
}

.code-card:hover {
    transform: rotate(0deg) scale(1.02);
}

.code-header {
    display: flex;
    gap: 8px;
    margin-bottom: 1.5rem;
}

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

.red {
    background: #ff5f56;
}

.yellow {
    background: #ffbd2e;
}

.green {
    background: #27c93f;
}

pre {
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    color: #a0a0b0;
}

.keyword {
    color: #c678dd;
}

.variable {
    color: #e06c75;
}

.string {
    color: #98c379;
}

.property {
    color: #61afef;
}

.boolean {
    color: #d19a66;
}

/* Glassmorphism Utilities */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

/* Skills Section */
.skills {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-card {
    padding: 2rem;
    transition: var(--transition);
}

.skill-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-5px);
}

.skill-card h3 {
    margin-bottom: 1rem;
    color: #67e8f9;
}

.skill-card p {
    color: var(--text-secondary);
}

/* Projects Section */
.projects {
    padding: 100px 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.project-card {
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-image {
    height: 200px;
    background: #1a1a20;
    overflow: hidden;
}

.placeholder-img {
    width: 100%;
    height: 100%;
    opacity: 0.8;
    transition: var(--transition);
}

.project-card:hover .placeholder-img {
    transform: scale(1.1);
    opacity: 1;
}

.gradient-1 {
    background: linear-gradient(45deg, #6d28d9, #4f46e5);
}

.gradient-2 {
    background: linear-gradient(45deg, #06b6d4, #3b82f6);
}

.gradient-3 {
    background: linear-gradient(45deg, #ec4899, #8b5cf6);
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    margin-bottom: 0.5rem;
}

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

.tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tags span {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    color: var(--text-secondary);
}

.link-arrow {
    color: #67e8f9;
    font-weight: 600;
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
}

.contact-container {
    text-align: center;
    padding: 4rem 2rem;
}

.contact h2 {
    margin-bottom: 1rem;
}

.contact p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
}

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

.social-links {
    display: flex;
    gap: 1.5rem;
}

/* Mobile Responsive */
.hamburger {
    display: none;
    cursor: pointer;
}

@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        display: none;
        /* Hide code card on mobile for simplicity or adjust */
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .nav-links {
        gap: 1.5rem;
    }
}