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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #ffffff;
    color: #1a1a1a;
    line-height: 1.6;
    font-size: 16px;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 80px 24px;
}

/* Header */
header {
    margin-bottom: 80px;
    text-align: left;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
    color: #000;
}

.tagline {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: #666;
    margin-bottom: 8px;
}

.location {
    font-size: 0.875rem;
    color: #888;
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 24px;
}

.social-links a {
    font-size: 0.875rem;
    color: #1a1a1a;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.social-links a:hover {
    color: #666;
}

/* Sections */
.section {
    margin-bottom: 64px;
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 24px;
    border-bottom: 1px solid #e5e5e5;
    padding-bottom: 12px;
}

.section-number {
    font-size: 0.75rem;
    font-weight: 600;
    color: #999;
}

.section-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
}

.section-content {
    padding-left: 40px;
}

.section-content p {
    color: #444;
    margin-bottom: 12px;
}

.section-content a {
    color: #1a1a1a;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.section-content a:hover {
    color: #666;
}

/* Highlights */
.highlights {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.highlight-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.highlight-item p {
    margin: 0;
    color: #333;
}

/* Cases */
.case {
    margin-bottom: 32px;
}

.case:last-child {
    margin-bottom: 0;
}

.case h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.case p {
    color: #555;
    margin-bottom: 12px;
    line-height: 1.7;
}

/* Ventures */
.venture {
    margin-bottom: 32px;
}

.venture:last-child {
    margin-bottom: 0;
}

.venture h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.venture h3 a {
    color: #1a1a1a;
    text-decoration: none;
}

.venture h3 a:hover {
    text-decoration: underline;
}

.venture p {
    color: #666;
    margin-bottom: 12px;
}

/* Tags */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    font-size: 0.7rem;
    font-weight: 500;
    color: #666;
    background-color: #f5f5f5;
    padding: 4px 10px;
    border-radius: 4px;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.project {
    padding: 16px;
    border: 1px solid #eee;
    border-radius: 8px;
    transition: border-color 0.2s ease;
}

.project:hover {
    border-color: #ccc;
}

.project h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 6px;
}

.project h4 a {
    color: #1a1a1a;
    text-decoration: none;
}

.project h4 a:hover {
    text-decoration: underline;
}

.project p {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 10px;
    line-height: 1.4;
}

.project .tags {
    margin-top: auto;
}

.project .tag {
    font-size: 0.65rem;
}

/* Education */
.education-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.education-item .date {
    font-size: 0.875rem;
    color: #999;
    margin-bottom: 4px;
}

/* Contact */
.contact-links {
    display: flex;
    gap: 16px;
}

.contact-links a {
    font-size: 0.875rem;
    color: #1a1a1a;
    text-decoration: none;
    font-weight: 500;
    padding: 10px 24px;
    border: 1px solid #e5e5e5;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.contact-links a:hover {
    background-color: #f5f5f5;
    border-color: #ccc;
}

/* Footer */
footer {
    margin-top: 80px;
    padding-top: 24px;
    border-top: 1px solid #e5e5e5;
}

footer p {
    font-size: 0.75rem;
    color: #999;
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 48px 20px;
    }

    header h1 {
        font-size: 2rem;
    }

    .section-content {
        padding-left: 0;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .social-links,
    .contact-links {
        flex-direction: column;
        gap: 12px;
    }

    .contact-links a {
        text-align: center;
    }

    .highlight-item {
        flex-direction: column;
        gap: 8px;
    }
}