/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
    max-width: 700px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Typography */
h1, h2, h3 {
    line-height: 1.2;
    margin: 1.5rem 0 1rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 600;
}

h2 {
    font-size: 1.75rem;
    font-weight: 600;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.5rem;
}

h3 {
    font-size: 1.25rem;
    font-weight: 500;
}

p {
    margin: 0 0 1rem;
}

a {
    color: #0066cc;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Header */
header {
    margin-bottom: 3rem;
}

header h1 {
    margin-bottom: 0.25rem;
}

.tagline {
    font-size: 1.1rem;
    color: #666;
    font-style: italic;
}

/* Sections */
section {
    margin: 3rem 0;
}

.intro {
    font-size: 1.1rem;
    color: #444;
}

.visual-identity {
    margin: 2rem 0;
    text-align: center;
}

.visual-identity img {
    max-width: 300px;
    height: auto;
    border: 1px solid #ddd;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: opacity 0.2s;
}

.visual-identity img:hover {
    opacity: 0.85;
}

.visual-identity figcaption {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: #666;
    font-style: italic;
}

/* Notes listing */
.note {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f9f9f9;
    border-left: 4px solid #0066cc;
}

.note h3 {
    margin-top: 0;
}

.note time {
    display: block;
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.note p {
    margin: 0;
}

/* Footer */
footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 2px solid #eee;
    font-size: 0.9rem;
    color: #666;
    text-align: center;
}

footer p {
    margin: 0.5rem 0;
}

/* Responsive */
@media (max-width: 600px) {
    body {
        padding: 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
}