/* ---------- Fonts (self-hosted from @fontsource-variable, copied at build) ---------- */
@font-face { font-family: "Inter"; font-style: normal; font-weight: 100 900; font-display: swap; src: url(/assets/fonts/inter-latin-ext-wght-normal.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; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 100 900; font-display: swap; src: url(/assets/fonts/inter-latin-wght-normal.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: "JetBrains Mono"; font-style: normal; font-weight: 100 900; font-display: swap; src: url(/assets/fonts/jetbrains-mono-latin-ext-wght-normal.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; }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 100 900; font-display: swap; src: url(/assets/fonts/jetbrains-mono-latin-wght-normal.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; }

/* ---------- Theme tokens ---------- */
:root {
  color-scheme: dark;
  --bg: #0E100D;
  --surface: #161914;
  --line: #262A23;
  --text: #E8EBE3;
  --muted: #9AA392;
  --body: #B7BFAE;
  --border: #3A4034;
  --accent: #38BDF8;
  --on-accent: #0E100D;
  --diff-bg: #0E100D;
  --red: #F87171;
  --term-bg: #161914;
  --term-line: #262A23;
  --term-shadow: none;
  --prompt: #38BDF8;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg: #F5F5F0; --surface: #FFFFFF; --line: #DCDDD3; --text: #15170F; --muted: #5B6052;
    --body: #3E4237; --border: #C9CBC0; --accent: #0369A1; --on-accent: #FFFFFF; --diff-bg: #F5F5F0;
    --red: #B42318; --term-bg: #15170F; --term-line: #2A2E25;
    --term-shadow: 0 24px 48px -24px rgba(21, 23, 15, 0.45); --prompt: #7DD3FC;
  }
}
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #F5F5F0; --surface: #FFFFFF; --line: #DCDDD3; --text: #15170F; --muted: #5B6052;
  --body: #3E4237; --border: #C9CBC0; --accent: #0369A1; --on-accent: #FFFFFF; --diff-bg: #F5F5F0;
  --red: #B42318; --term-bg: #15170F; --term-line: #2A2E25;
  --term-shadow: 0 24px 48px -24px rgba(21, 23, 15, 0.45); --prompt: #7DD3FC;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--sans); font-size: 16px; line-height: 1.6;
  transition: background-color .2s, color .2s;
}
a { color: inherit; }
a:hover { opacity: .75; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { margin: 0; line-height: 1.2; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.accent { color: var(--accent); }
.body-text { color: var(--body); }
.small-text { font-size: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; padding: 10px 16px; background: var(--accent); color: var(--on-accent); border-radius: 6px; z-index: 10; }
.skip:focus { left: 16px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding: 24px 0; }
.logo { font-family: var(--mono); font-weight: 700; font-size: 18px; text-decoration: none; }
.logo .muted { font-weight: 400; }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; font-family: var(--mono); font-size: 14px; }
.nav a { padding: 12px; text-decoration: none; }
.nav a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 6px; }
.nav .nav-cta { color: var(--accent); font-weight: 700; }
.theme-toggle {
  margin-left: 6px; width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center;
  background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 8px; cursor: pointer;
}
.theme-toggle .icon-moon { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: block; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .theme-toggle .icon-sun { display: none; }
  :root:not([data-theme="dark"]) .theme-toggle .icon-moon { display: block; }
}

/* ---------- Buttons ---------- */
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 0 20px;
  border: 1px solid var(--border); border-radius: 6px; text-decoration: none; font-weight: 500;
}
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-weight: 600; }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 88px; display: flex; flex-wrap: wrap; gap: 48px; align-items: center; }
.hero-copy { flex: 1 1 440px; display: flex; flex-direction: column; gap: 24px; }
.kicker { margin: 0; font-family: var(--mono); font-size: 13px; color: var(--muted); }
.display { font-weight: 700; font-size: clamp(36px, 5vw, 60px); line-height: 1.08; letter-spacing: -0.02em; }
.display-sm { font-weight: 700; font-size: clamp(32px, 5vw, 56px); line-height: 1.08; letter-spacing: -0.02em; }
.lead { margin: 0; font-size: 19px; line-height: 1.6; color: var(--body); max-width: 560px; }

.terminal { flex: 1 1 460px; min-width: 0; background: var(--term-bg); border: 1px solid var(--term-line); border-radius: 12px; overflow: hidden; box-shadow: var(--term-shadow); }
.terminal-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--term-line); }
.terminal-bar span { width: 10px; height: 10px; border-radius: 50%; background: #3A4034; }
.terminal-bar em { margin-left: 8px; font-style: normal; font-family: var(--mono); font-size: 12px; color: #9AA392; }
.terminal-body { padding: 20px 22px; font-family: var(--mono); font-size: 14px; line-height: 2; color: #B7BFAE; overflow-x: auto; white-space: nowrap; }
.terminal-body b { color: var(--prompt); font-weight: 400; }
.terminal-body .bright { color: #E8EBE3; }
.cursor { display: inline-block; width: 9px; height: 18px; vertical-align: middle; background: var(--prompt); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Sections ---------- */
.section { padding: 64px 0; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 24px; }
.section > h2 { font-size: 28px; font-weight: 700; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 28px; display: flex; flex-direction: column; gap: 16px; }
.card.small { padding: 22px; gap: 8px; }
.card h3 { font-size: 22px; font-weight: 600; line-height: 1.3; }
.meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 12px; font-family: var(--mono); font-size: 12px; color: var(--muted); }
.diff { background: var(--diff-bg); border-radius: 8px; padding: 14px 16px; font-size: 13px; line-height: 1.8; }
.diff .del { color: var(--red); }
.diff .add { color: var(--accent); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; font-family: var(--mono); font-size: 12px; }
.tags li, .tag { padding: 6px 10px; border: 1px solid var(--border); border-radius: 4px; }
.more { margin-top: auto; padding-top: 12px; font-size: 14px; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; font-family: var(--mono); font-size: 14px; }
.chips li { padding: 10px 14px; background: var(--surface); border: 1px solid var(--line); border-radius: 6px; }

.log li { display: flex; flex-wrap: wrap; gap: 6px 20px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.log .hash { color: var(--accent); width: 72px; }
.log .years { color: var(--muted); width: 120px; }
.log .role { flex: 1 1 320px; }
.accent-link { align-self: flex-start; padding: 12px 0; font-size: 14px; color: var(--accent); }

.edu { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 16px; }
.edu strong { font-size: 17px; font-weight: 600; line-height: 1.35; }
.edu .body-text { font-size: 14px; }

.contact { flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: space-between; padding: 72px 0 56px; }
.contact h2 { font-size: clamp(26px, 3.6vw, 40px); flex: 1 1 420px; }

/* ---------- Footer ---------- */
.site-footer { padding: 24px 0 40px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-family: var(--mono); font-size: 12px; color: var(--muted); }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-links a { padding: 4px 0; }

/* ---------- Blogs ---------- */
.blog-intro { padding: 64px 0 40px; display: flex; flex-direction: column; gap: 20px; }
.blog-intro .kicker b { font-weight: 400; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; padding-top: 8px; font-family: var(--mono); font-size: 13px; }
.filters button { min-height: 44px; padding: 0 16px; border-radius: 999px; cursor: pointer; font: inherit; background: transparent; color: var(--text); border: 1px solid var(--border); }
.filters button[aria-pressed="true"] { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }

.featured { margin-bottom: 40px; text-decoration: none; padding: 32px; }
.featured-copy { display: flex; flex-direction: column; gap: 14px; max-width: 760px; }
.featured .meta { justify-content: flex-start; }
.featured h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 600; }
.featured p { margin: 0; }

.post-list { border-top: 1px solid var(--line); }
.post-list a { display: flex; flex-wrap: wrap; gap: 8px 32px; align-items: baseline; padding: 24px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.post-list time { width: 110px; font-size: 13px; }
.post-text { flex: 1 1 380px; display: flex; flex-direction: column; gap: 6px; }
.post-text strong { font-size: 20px; font-weight: 600; }
.post-text .body-text { font-size: 15px; line-height: 1.5; }
.empty { padding: 32px 0; font-size: 14px; }
.blog-foot { padding: 56px 0; }

/* ---------- Post ---------- */
.post { max-width: 760px; margin: 0 auto; padding: 48px 0 24px; }
.back { display: inline-block; padding: 12px 0; font-size: 14px; text-decoration: none; }
.post-header { display: flex; flex-direction: column; gap: 16px; padding: 24px 0 32px; border-bottom: 1px solid var(--line); }
.post-header .meta { justify-content: flex-start; gap: 8px 16px; }
.post-header h1 { font-size: clamp(32px, 5vw, 48px); letter-spacing: -0.02em; }
.prose { padding: 32px 0; font-size: 18px; line-height: 1.75; color: var(--text); }
.prose h2 { font-size: 26px; margin: 40px 0 12px; }
.prose h3 { font-size: 21px; margin: 32px 0 8px; }
.prose p, .prose ul, .prose ol, .prose blockquote, .prose pre { margin: 0 0 20px; }
.prose ul { list-style: disc; padding-left: 24px; }
.prose ol { list-style: decimal; padding-left: 24px; }
.prose a { color: var(--accent); }
.prose blockquote { padding-left: 20px; border-left: 3px solid var(--accent); color: var(--body); }
.prose code { font-family: var(--mono); font-size: .88em; background: var(--surface); border: 1px solid var(--line); padding: 2px 6px; border-radius: 4px; }
.prose pre { background: var(--term-bg); color: #E8EBE3; border: 1px solid var(--term-line); padding: 18px 20px; border-radius: 10px; overflow-x: auto; }
.prose pre code { background: none; border: 0; padding: 0; font-size: 14px; color: inherit; }
.prose img { max-width: 100%; height: auto; border-radius: 10px; }
.post-footer { display: flex; justify-content: space-between; gap: 12px; padding: 24px 0 48px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }

@media (max-width: 520px) {
  .wrap { padding: 0 16px; }
  .hero { padding: 40px 0 56px; }
  .nav a { padding: 10px 8px; }
  .card, .featured { padding: 22px; }
}