/* fonts served from this site (no Google request on the en / de pages) */
@font-face { font-family: "Newsreader"; src: url(fonts/newsreader-latin-400-normal.woff2) format("woff2"); font-weight: 400; font-style: normal; font-display: swap; 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: "Newsreader"; src: url(fonts/newsreader-latin-ext-400-normal.woff2) format("woff2"); font-weight: 400; font-style: normal; font-display: swap; 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; }
@font-face { font-family: "Newsreader"; src: url(fonts/newsreader-latin-800-normal.woff2) format("woff2"); font-weight: 800; font-style: normal; font-display: swap; 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: "Newsreader"; src: url(fonts/newsreader-latin-ext-800-normal.woff2) format("woff2"); font-weight: 800; font-style: normal; font-display: swap; 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; }
@font-face { font-family: "Newsreader"; src: url(fonts/newsreader-latin-400-italic.woff2) format("woff2"); font-weight: 400; font-style: italic; font-display: swap; 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: "IBM Plex Mono"; src: url(fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2"); font-weight: 400; font-style: normal; font-display: swap; 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; }
:root {
  --bg: #141412; --ink: #ece8df; --soft: #b9b3a8; --muted: #8e897f; --line: #2e2c28; --seal: #d0584a;
  --sig: #7fa8c9;
}
html[data-theme="light"] { --bg: #f6f4ef; --ink: #1d1c1a; --soft: #4a4740; --muted: #7a756b; --line: #dcd6ca; }
* { box-sizing: border-box; margin: 0; padding: 0; }
html { background: var(--bg); }
body { background: var(--bg); color: var(--ink); font-family: "Newsreader", "Noto Serif TC", serif;
  line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line); }
a:hover { border-color: var(--ink); }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 40px; }

header.top { display: flex; justify-content: space-between; align-items: center; padding: 40px 0; }
.brand { display: flex; align-items: center; gap: 12px; border: 0; }
.brand svg { width: 40px; height: 40px; margin: -5px; }
.brand b { font-weight: 800; font-size: 22px; letter-spacing: -.4px; }
.brand .lab { color: #B0432F; }
.brand .name span { font-family: "Noto Serif TC", serif; font-size: 14px; color: var(--muted); margin-left: 4px; }
.lang { display: flex; align-items: center; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 999px; }
.lang a, .lang b { display: block; border: 0; padding: 6px 13px; border-radius: 999px; font-weight: 400;
  font-family: "Newsreader", "Noto Serif TC", "Noto Serif JP", serif; font-size: 13px; letter-spacing: .08em; line-height: 1;
  color: var(--muted); transition: color .2s, background .2s; }
.lang a:hover { color: var(--ink); background: rgba(236,232,223,.06); }
.lang b { color: var(--bg); background: var(--ink); }

.hero { padding: 72px 0 80px; }
.hero h1 { font-weight: 400; font-size: 50px; line-height: 1.1; letter-spacing: -.8px; max-width: 14em; }
.hero p { margin-top: 32px; font-size: 22px; color: var(--soft); max-width: 30em; text-wrap: balance; }
html[lang="zh-Hant"] .hero h1, html[lang="ja"] .hero h1 { font-family: "Noto Serif TC", serif; font-size: 48px; letter-spacing: .02em; line-height: 1.35; }
html[lang="zh-Hant"] .hero p, html[lang="ja"] .hero p { font-size: 19px; letter-spacing: .04em; }

.label { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 12px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--muted); }
.work { border-top: 1px solid var(--line); padding: 56px 0; }
.work .head { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; }
.work h2 { font-weight: 400; font-size: 30px; line-height: 1.15; margin-top: 14px; }
.work h3 { font-weight: 400; font-size: 23px; line-height: 1.35; }
.work .body p { margin-top: 18px; font-size: 18px; color: var(--soft); max-width: 34em; }
.work .more { margin-top: 26px; font-size: 16px; }
html[lang="zh-Hant"] .work h3, html[lang="ja"] .work h3 { font-family: "Noto Serif TC", serif; font-size: 23px; letter-spacing: .02em; line-height: 1.55; }
html[lang="zh-Hant"] .work .body p, html[lang="ja"] .work .body p { font-size: 16.5px; line-height: 1.9; letter-spacing: .03em; }
.facts { margin-top: 24px; list-style: none; max-width: 34em; }
.facts li { font-size: 16.5px; color: var(--soft); padding: 10px 0; border-bottom: 1px solid var(--line); }
.facts li:first-child { border-top: 1px solid var(--line); }
.media { margin-top: 56px; }
.media img { display: block; width: 100%; height: auto; border-radius: 4px; }
.soon { color: var(--muted); font-size: 15px; margin-top: 26px; }



.contact { border-top: 1px solid var(--line); padding: 56px 0 40px; }
.contact p { margin-top: 16px; font-size: 20px; }
footer { padding: 24px 0 40px; color: var(--muted); font-size: 13px; letter-spacing: .08em; }

@media (max-width: 760px) {
  .wrap { padding: 0 20px; }
  header.top { padding: 24px 0; }
  .hero { padding: 64px 0 80px; }
  .hero h1 { font-size: 40px; }
  html[lang="zh-Hant"] .hero h1, html[lang="ja"] .hero h1 { font-size: 29px; }
  .hero p { font-size: 18px; }
  .work, .contact { padding: 48px 0; }
  .work .head { grid-template-columns: 1fr; gap: 16px; }
}

html[lang="ja"] body, html[lang="ja"] .hero h1, html[lang="ja"] .work h3 { font-family: "Newsreader", "Noto Serif JP", serif; }
.lang a, .lang b, .brand .name { white-space: nowrap; }
@media (max-width: 760px) {
  .brand .name span { display: none; }
  .lang { gap: 2px; padding: 3px; }
  .lang a, .lang b { padding: 6px 9px; font-size: 12px; letter-spacing: .04em; }
}
.tools { display: flex; align-items: center; gap: 10px; }
.theme { display: grid; place-items: center; width: 34px; height: 34px; padding: 0; border: 1px solid var(--line); border-radius: 999px;
  background: none; color: var(--muted); cursor: pointer; transition: color .2s, background .2s; }
.theme:hover { color: var(--ink); background: color-mix(in srgb, var(--ink) 6%, transparent); }
.theme svg { width: 16px; height: 16px; }
.lang a:hover { background: color-mix(in srgb, var(--ink) 6%, transparent); }
body, .lang, .theme { transition: background-color .25s, color .25s, border-color .25s; }
@media (max-width: 760px) { .tools { gap: 6px; } .theme { width: 30px; height: 30px; } }
/* the pulse in the mark beats once on hover: drawn by a small script in each page (amplitude only, the axis stays still) */
/* engineering notes: one line per note */
.notes { border-top: 1px solid var(--line); padding: 56px 0; }
.notes ul { list-style: none; margin-top: 22px; }
.notes li a { display: grid; grid-template-columns: 1fr 2fr auto; gap: 40px; align-items: baseline; padding: 18px 0;
  border: 0; border-bottom: 1px solid var(--line); }
.notes li:first-child a { border-top: 1px solid var(--line); }
.notes .app { font-size: 15px; color: var(--muted); letter-spacing: .02em; }
.notes .t { font-size: 18px; line-height: 1.5; }
.notes .t small { display: block; margin-top: 4px; font-size: 13px; color: var(--muted); letter-spacing: .04em; }
.notes .go { color: var(--muted); transition: transform .2s, color .2s; }
.notes li a:hover .t, .notes li a:hover .go { color: var(--ink); }
.notes li a:hover .go { transform: translateX(3px); }
html[lang="zh-Hant"] .notes .t, html[lang="ja"] .notes .t { font-size: 16.5px; letter-spacing: .03em; }
@media (max-width: 760px) { .notes { padding: 48px 0; } .notes li a { grid-template-columns: 1fr auto; gap: 6px 16px; }
  .notes .app { grid-column: 1 / -1; font-size: 13px; } }