/* hweihwang.com hub. One column, three projects, nothing else.
   Self-hosted fonts only: the site CSP is `font-src 'self' data:`. */

@font-face {
    font-family: "Source Sans 3";
    font-style: normal;
    font-weight: 400 700;
    font-display: swap;
    src: url("/fonts/source-sans-3-latin.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: "Source Sans 3";
    font-style: normal;
    font-weight: 400 700;
    font-display: swap;
    src: url("/fonts/source-sans-3-latin-ext.woff2") format("woff2");
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
    color-scheme: light dark;
    --bg: #f7f5f0;
    --ink: #1e1b17;
    --dim: #6b655b;
    --rule: #dcd6ca;
    --link: #1e1b17;
}
@media (prefers-color-scheme: dark) {
    :root { --bg: #161513; --ink: #ece8e0; --dim: #9d968a; --rule: #302d28; --link: #ece8e0; }
}

* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 17px/1.6 "Source Sans 3", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
}
main { max-width: 38rem; margin: 0 auto; padding: clamp(3rem, 10vw, 7rem) 1.25rem 4rem; }
img { display: block; }
a { color: var(--link); text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--ink); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.skip { position: absolute; left: -999px; top: 0.5rem; padding: 0.5rem 0.8rem; background: var(--ink); color: var(--bg); }
.skip:focus { left: 0.5rem; }

header { display: flex; align-items: center; gap: 0.7rem; margin-bottom: 3.5rem; font-weight: 600; }
header img { width: 22px; height: 22px; border-radius: 4px; }

h1 { margin: 0 0 1rem; font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.2rem); line-height: 1.2; letter-spacing: -0.01em; font-weight: 600; }
p { margin: 0; }
.lede { color: var(--dim); font-size: 1.05rem; }

h2 { margin: 3.5rem 0 1rem; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--dim); }

.projects { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--rule); }
.projects li { padding: 1.25rem 0; border-bottom: 1px solid var(--rule); }
.projects h3 { margin: 0 0 0.25rem; font-size: 1.15rem; font-weight: 600; display: flex; flex-wrap: wrap; gap: 0.5rem 0.75rem; align-items: baseline; }
.projects h3 small { font-size: 0.8rem; font-weight: 400; color: var(--dim); }
.projects p { color: var(--dim); }
.projects .links { display: flex; flex-wrap: wrap; gap: 1.25rem; margin-top: 0.6rem; font-size: 0.95rem; }

footer { margin-top: 3.5rem; padding-top: 1.25rem; border-top: 1px solid var(--rule); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 1.5rem; font-size: 0.9rem; color: var(--dim); }
footer a { color: var(--dim); }