/* Kiranbir Sodhia — personal site
   Palette: cream background, deep navy ink, gold & warm-brown accents
   Type: Fraunces (headings), Inter (body) */

:root {
  --cream: #faf5ec;
  --cream-deep: #f3ecdd;
  --navy: #1c2b45;
  --navy-soft: #3c4a63;
  --gold: #b08a2e;
  --brown: #8a5a33;
  --rule: #e3d9c3;
  --code-bg: #20304e;
  --code-ink: #ede6d6;
}

* { box-sizing: border-box; }

/* Metric-adjusted fallback so headings keep the same visual size
   even when Fraunces hasn't loaded yet (prevents size jump/mismatch). */
@font-face {
  font-family: "Fraunces Fallback";
  src: local("Georgia");
  size-adjust: 94%;
  ascent-override: 96%;
  descent-override: 24%;
  line-gap-override: 0%;
}

html { font-size: 15px; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--navy);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .site-title {
  font-family: "Fraunces", "Fraunces Fallback", Georgia, serif;
  font-weight: 600;
  line-height: 1.2;
  color: var(--navy);
}

h1 { font-size: 2.4rem; margin: 0 0 0.75rem; }
h2 { font-size: 1.5rem; margin: 2.2rem 0 0.6rem; }
h3 { font-size: 1.2rem; margin: 1.8rem 0 0.5rem; }

a {
  color: var(--brown);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  transition: color 0.15s, border-color 0.15s;
}
a:hover { color: var(--gold); border-bottom-color: var(--gold); }

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

/* Header */
.site-header {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  border-bottom: none;
}
.site-title {
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  border-bottom: none;
  color: var(--navy);
}
.site-title:hover { color: var(--gold); }
.site-header nav {
  display: flex;
  flex-shrink: 0;
  gap: 1.2rem;
  margin-left: auto; /* keeps the menu flush right, even if it wraps to its own row */
}
.site-header nav a {
  font-size: 0.8rem;
  white-space: nowrap;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy-soft);
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}
.site-header nav a:hover { color: var(--gold); border-bottom-color: var(--gold); }
.site-header nav a.active { color: var(--navy); border-bottom-color: var(--gold); }

/* Footer */
.site-footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--navy-soft);
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--navy);
  color: var(--cream);
  font-family: "Inter", sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.65rem 1.3rem;
  border: 1px solid var(--navy);
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}
.btn:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy);
}
.btn.btn-outline {
  background: transparent;
  color: var(--navy);
}
.btn.btn-outline:hover {
  background: var(--navy);
  color: var(--cream);
  border-color: var(--navy);
}
.btn-row {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin: 2rem 0 0.5rem;
}
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--navy);
  background: transparent;
  border: 1px solid var(--navy);
  border-radius: 6px;
  border-bottom: 1px solid var(--navy);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.icon-btn:hover {
  background: var(--navy);
  color: var(--cream);
  border-color: var(--navy);
}

/* Home */
.hero { padding-top: 1.5rem; }
.hero .kicker {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.75rem;
}
.hero h1 {
  font-size: 2.6rem;
  margin: 0 0 1.2rem;
  letter-spacing: 0.01em;
}
.hero .role {
  color: var(--brown);
  font-size: 1.05rem;
  font-weight: 500;
  margin-top: -0.25rem;
}
.lede { font-size: 1rem; line-height: 1.7; color: var(--navy-soft); }
.rule {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 2.5rem 0;
}

/* Full-width home bands */
.band { border-top: 1px solid var(--rule); }
.band-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}
.section-head h2 {
  font-size: 1.9rem;
  margin: 0;
}
.section-aside {
  font-size: 0.9rem;
  color: var(--navy-soft);
}

/* Moving up the stack — timeline */
.timeline {
  list-style: none;
  margin: 2.6rem 0 0;
  padding: 0;
}
.timeline li {
  display: grid;
  grid-template-columns: 90px 28px 1fr;
  column-gap: 1.1rem;
  padding-bottom: 2.4rem;
}
.timeline li:last-child { padding-bottom: 0.5rem; }
.tl-label {
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  color: var(--navy-soft);
  line-height: 1.5;
  padding-top: 0.25rem;
}
.tl-rail { position: relative; }
.tl-rail::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0.42rem;
  transform: translateX(-50%);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #b85c38;
}
.tl-rail::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 1.35rem;
  bottom: -1.1rem;
  transform: translateX(-50%);
  width: 2px;
  background: var(--rule);
}
.timeline li:last-child .tl-rail::after { display: none; }
.tl-line1 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.45;
}
.tl-line1 strong { font-weight: 600; color: var(--navy); }
.tl-line1 .sep { color: var(--navy-soft); padding: 0 0.15rem; }
.tl-role { color: var(--brown); }
.tl-desc {
  margin: 0.35rem 0 0;
  color: var(--navy-soft);
  font-size: 0.97rem;
}

/* Off the clock */
.offclock {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2rem;
  align-items: start;
}
.offclock h2 { font-size: 1.9rem; margin: 0; }
.offclock p { margin: 0.2rem 0 0; color: var(--navy-soft); }

main.home { max-width: none; padding: 0; }

@media (max-width: 640px) {
  /* keep the rail + dots; move the label above the content instead of beside it */
  .timeline li { grid-template-columns: 18px 1fr; column-gap: 1rem; padding-bottom: 2rem; }
  .tl-label { grid-column: 2; grid-row: 1; padding-top: 0; margin-bottom: 0.3rem; }
  .tl-rail { grid-column: 1; grid-row: 1 / span 2; }
  .tl-rail::after { bottom: -0.9rem; }
  .timeline li > div { grid-column: 2; grid-row: 2; }
  .band-inner { padding: 2.4rem 1.25rem; }
  .offclock { grid-template-columns: 1fr; gap: 0.8rem; }
}

/* Blog list */
.post-list { list-style: none; padding: 0; margin: 2rem 0 0; }
.post-item {
  padding: 1.6rem 1rem;
  margin: 0 -1rem;
  border-bottom: 1px solid var(--rule);
  border-left: 3px solid transparent;
  transition: background 0.15s, border-left-color 0.15s;
}
.post-item:hover {
  background: var(--cream-deep);
  border-left-color: var(--gold);
}
.post-item:first-child { padding-top: 0.5rem; }
.post-item h2 { margin: 0.15rem 0 0.4rem; font-size: 1.35rem; }
.post-item h2 a { border-bottom: none; color: var(--navy); }
.post-item h2 a:hover { color: var(--gold); }
.post-item p { margin: 0.3rem 0 0; color: var(--navy-soft); font-size: 0.95rem; }
.post-meta {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0;
}

/* Post page */
.post-header { margin-bottom: 2rem; }
.post-header .post-meta { margin-top: 0.6rem; }
.post blockquote {
  margin: 1.5rem 0;
  padding: 0.2rem 0 0.2rem 1.25rem;
  border-left: 3px solid var(--gold);
  color: var(--navy-soft);
  font-style: italic;
}
.post pre {
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 1rem 1.25rem;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.5;
}
.post code { font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace; }

/* Syntax highlighting (Pygments classes, pre-rendered at build time)
   Tuned for the navy code background. */
.tok-c1, .tok-cm { color: #8195bd; font-style: italic; }   /* comments */
.tok-cp, .tok-cpf { color: #d9a06c; }                      /* preprocessor */
.tok-k, .tok-kd, .tok-kr { color: #e3b455; }               /* keywords */
.tok-kt { color: #84c5b8; }                                /* types */
.tok-nc { color: #84c5b8; }                                /* class names */
.tok-nf { color: #9fc6e8; }                                /* function names */
.tok-nb { color: #9fc6e8; }                                /* builtins */
.tok-nl { color: #e3b455; }                                /* labels (goto) */
.tok-nv, .tok-vg { color: #c7a8e0; }                       /* variables (llvm %n, @main) */
.tok-s, .tok-s2, .tok-s1 { color: #a9c98a; }               /* strings */
.tok-se { color: #d9a06c; }                                /* string escapes */
.tok-m, .tok-mi, .tok-mf, .tok-mh { color: #e69d77; }      /* numbers */
.tok-o { color: #ede6d6; }                                 /* operators */
.tok-n, .tok-p, .tok-w { color: inherit; }                 /* plain names, punctuation */
.post figure { margin: 2rem 0; text-align: center; }
.post figure img { max-width: 100%; height: auto; border-radius: 4px; }
.back-link { margin-top: 3rem; }
.back-link a { border-bottom: none; font-weight: 500; }

/* Filter tabs */
.tabs {
  display: flex;
  gap: 1.6rem;
  margin: 2.2rem 0 0;
  padding-bottom: 0;
  border-bottom: 1px solid var(--rule);
}
.tabs button {
  appearance: none;
  background: none;
  border: none;
  font-family: "Inter", sans-serif;
  font-size: 0.95rem;
  color: var(--navy-soft);
  padding: 0 0 0.6rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tabs button:hover { color: var(--navy); }
.tabs button.active {
  color: var(--navy);
  font-weight: 500;
  border-bottom-color: var(--gold);
}

/* Entry rows (publications + blog index) */
.entry-list { list-style: none; padding: 0; margin: 0; }
.entry {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1.4rem;
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--rule);
}
.entry-meta {
  font-size: 0.85rem;
  color: var(--navy-soft);
  line-height: 1.5;
}
.entry-meta .year, .entry-meta .date { display: block; }
.chip {
  display: inline-block;
  margin-top: 0.45rem;
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  color: var(--navy-soft);
  background: #eae3d2;
  border-radius: 3px;
  padding: 0.15rem 0.45rem;
}
.chip.accent {
  color: var(--brown);
  background: #f5e3d3;
}
.entry .kicker {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brown);
  margin: 0 0 0.3rem;
}
.entry h2 {
  font-size: 1.45rem;
  margin: 0 0 0.4rem;
  line-height: 1.25;
}
.entry h2 a { border-bottom: none; color: var(--navy); }
.entry h2 a:hover { color: var(--gold); }
.entry p.desc { margin: 0; color: var(--navy-soft); font-size: 0.97rem; }

/* Reading list */
.book-list { list-style: none; padding: 0; margin: 2rem 0 0; }
.book {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--rule);
}
.bk-main { min-width: 0; }
.bk-title {
  font-family: "Fraunces", "Fraunces Fallback", Georgia, serif;
  font-weight: 600;
  font-size: 1.05rem;
}
.bk-author { color: var(--navy-soft); font-size: 0.9rem; white-space: nowrap; }
.bk-stars { color: var(--gold); letter-spacing: 0.1em; white-space: nowrap; flex-shrink: 0; }
.bk-stars .dim { color: var(--rule); }
.bk-unrated { color: var(--navy-soft); font-style: italic; font-size: 0.85rem; white-space: nowrap; flex-shrink: 0; }

/* Load more */
.load-more {
  text-align: center;
  margin: 2rem 0 0;
  font-size: 0.95rem;
  color: var(--navy-soft);
}
.load-more a { font-weight: 500; }

.arrow-link { white-space: nowrap; }

@media (max-width: 600px) {
  .entry { grid-template-columns: 1fr; gap: 0.4rem; }
  .entry-meta .year, .entry-meta .date { display: inline; margin-right: 0.6rem; }
}

/* Publications */
.pub-intro { color: var(--navy-soft); }
.pub {
  margin: 2.2rem 0;
  padding-bottom: 2.2rem;
  border-bottom: 1px solid var(--rule);
}
.pub:last-child { border-bottom: none; }
.pub h3 { margin: 0 0 0.5rem; font-size: 1.25rem; }
.pub h3 a { border-bottom: none; color: var(--navy); }
.pub h3 a:hover { color: var(--gold); }
.pub p { margin: 0.5rem 0; }
.pub .note {
  color: var(--brown);
  font-style: italic;
  font-size: 0.95rem;
  margin-top: 0.75rem;
}
.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 3rem 0 0.25rem;
}

@media (max-width: 600px) {
  .hero h1 { font-size: 2.2rem; }
  h1 { font-size: 1.9rem; }
  html { font-size: 15px; }
  .site-header { gap: 0.4rem 0.8rem; padding: 1.5rem 1.25rem 0; }
  .site-title { font-size: 0.95rem; letter-spacing: 0.08em; }
  .site-header nav { gap: 0.9rem; }
  .site-header nav a { font-size: 0.75rem; letter-spacing: 0.08em; }
  main { padding: 2.2rem 1.25rem 3rem; }
}