:root {
    --ink: #111;
    --muted: #777;
    --line: #e5e5e5;
    --chip-bg: #fafafa;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--ink);
    background: #fff;
    line-height: 1.8;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

main {
    width: min(620px, 90vw);
    padding: 48px 0;
}

.tag {
    font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
    font-size: 0.8rem;
    color: var(--muted);
}

h1 {
    font-size: 2.4rem;
    font-weight: 650;
    margin-top: 6px;
    letter-spacing: 0.5px;
}

.role {
    color: var(--muted);
    margin-top: 2px;
}

.bio {
    margin: 26px 0 34px;
    color: #333;
}

/* tech stack chips */
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.tech-tag {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--chip-bg);
    padding: 5px 14px 5px 10px;
    font-size: 0.85rem;
    color: #333;
    transition: border-color 0.15s;
}

.tech-tag:hover {
    border-color: #aaa;
}

.tech-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

footer {
    font-size: 0.95rem;
}

a {
    color: var(--ink);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.sep {
    color: var(--muted);
    margin: 0 8px;
}