:root {
    --bg-color: #0a0a0a;
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-hover: rgba(255, 255, 255, 0.06);
    --accent: #3b82f6;
    --accent-gradient: linear-gradient(135deg, #60a5fa, #a78bfa);
    
    --tag-python: rgba(55, 118, 171, 0.2);
    --tag-js: rgba(247, 223, 30, 0.2);
    --tag-ts: rgba(49, 120, 198, 0.2);
    --tag-react: rgba(97, 218, 251, 0.2);
    --tag-tailwind: rgba(56, 189, 248, 0.2);
    --tag-csharp: rgba(35, 145, 32, 0.2);
    --tag-java: rgba(237, 139, 0, 0.2);
}

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

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

.background-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 30px 30px;
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

/* Typography */
h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin-top: 1.5rem;
    line-height: 1.8;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

h3 {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* Header */
.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    transition: all 0.2s ease;
}

.social-link:hover {
    background: var(--card-hover);
    transform: translateY(-1px);
    border-color: rgba(255, 255, 255, 0.15);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(34, 197, 94, 0.1);
    color: #4ade80;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: #4ade80;
    border-radius: 50%;
    box-shadow: 0 0 8px #4ade80;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.8; }
}

header {
    margin-bottom: 4rem;
}

/* Layout */
.grid-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.card:hover {
    background: var(--card-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.15);
}

ul {
    list-style: none;
}

.card ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.card ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent);
    opacity: 0.7;
}

.edu-item h3 {
    font-size: 1.1rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.edu-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Tech Stack */
.tech-stack {
    margin-bottom: 4rem;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #e5e5e5;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    transition: all 0.2s ease;
    cursor: default;
}

.tag:hover {
    transform: translateY(-1px);
}

.tag.python { border-color: var(--tag-python); background: linear-gradient(to right, rgba(55,118,171,0.05), transparent); }
.tag.javascript { border-color: var(--tag-js); background: linear-gradient(to right, rgba(247,223,30,0.05), transparent); }
.tag.typescript { border-color: var(--tag-ts); background: linear-gradient(to right, rgba(49,120,198,0.05), transparent); }
.tag.react { border-color: var(--tag-react); background: linear-gradient(to right, rgba(97,218,251,0.05), transparent); }
.tag.tailwind { border-color: var(--tag-tailwind); background: linear-gradient(to right, rgba(56,189,248,0.05), transparent); }
.tag.csharp { border-color: var(--tag-csharp); background: linear-gradient(to right, rgba(35,145,32,0.05), transparent); }
.tag.java { border-color: var(--tag-java); background: linear-gradient(to right, rgba(237,139,0,0.05), transparent); }

/* Project Section */
.project-card {
    background: linear-gradient(145deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.project-header h2 {
    margin-bottom: 0;
}

.project-title {
    color: #fff;
}

.project-tag {
    background: rgba(167, 139, 250, 0.15);
    color: #c4b5fd;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-desc {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.project-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    border-top: 1px solid var(--card-border);
    padding-top: 2rem;
}

.feature-list li {
    font-size: 0.95rem;
}

.feature-list strong {
    color: var(--text-primary);
    font-weight: 500;
}

/* Footer */
footer {
    text-align: center;
    padding-top: 4rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* Responsive */
@media (max-width: 600px) {
    h1 {
        font-size: 2.5rem;
    }
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    .container {
        padding: 2rem 1.5rem;
    }
}