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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #fafafa;
    color: #1a1a1a;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

main {
    max-width: 600px;
    width: 100%;
    text-align: center;
}

/* Header */
.header {
    margin-bottom: 2.5rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.4rem;
}

.tagline {
    font-size: 1.1rem;
    color: #666;
    font-weight: 400;
}

.bio {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
    max-width: 520px;
    margin: 0 auto 2rem;
    text-align: left;
}

/* Links */
.links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.links a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    text-decoration: none;
    color: #1a1a1a;
    font-size: 0.95rem;
    font-weight: 500;
    transition: border-color 0.2s, background 0.2s;
}

.links a:hover {
    border-color: #0066cc;
    background: #f0f7ff;
    color: #0066cc;
}

.links a svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Feed */
.feed {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.feed-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    text-align: left;
    padding: 1rem 1.25rem;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 10px;
    text-decoration: none;
    color: #1a1a1a;
    transition: border-color 0.2s, background 0.2s;
}

.feed-item:hover {
    border-color: #0066cc;
    background: #f0f7ff;
}

.feed-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 0;
}

.feed-tag {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.tag-post {
    background: #e8f5e9;
    color: #2e7d32;
}

.tag-project {
    background: #e3f2fd;
    color: #1565c0;
}

.tag-competition {
    background: #fff3e0;
    color: #e65100;
}

.feed-title {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.4;
}

.feed-desc {
    font-size: 0.8rem;
    color: #666;
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    .links {
        flex-direction: column;
        align-items: center;
    }

    .links a {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}