/* ============================================================
   onkar muḷē — essay
   v2 design system, tuned for long-form reading.
   tokens · type · nav · header · body · colophon
   ============================================================ */

/* ---- 1. tokens ----------------------------------------------- */
:root {
  /* color */
  --ink-deep:   #0a1834;
  --ink:        #142447;
  --ink-soft:   #4a5876;
  --ink-mute:   #8693b1;

  --blue-night: #0f2557;
  --blue-deep:  #1a3a7c;
  --blue:       #2e5aa8;
  --blue-mid:   #4d76b8;
  --blue-soft:  #7d9ed1;
  --blue-pale:  #c5d3ea;
  --blue-tint:  #e8eef8;

  --paper:      #f8f6f0;
  --paper-2:    #f1ede0;
  --rule:       rgba(20, 36, 71, 0.10);
  --rule-soft:  rgba(20, 36, 71, 0.05);

  /* type scale (body slightly larger than index for reading) */
  --t-mono:    11px;
  --t-micro:   12px;
  --t-small:   14px;
  --t-body:    18px;
  --t-lede:    22px;
  --t-h4:      22px;
  --t-h3:      28px;
  --t-h2:      36px;
  --t-h1:      clamp(48px, 7vw, 80px);

  /* baseline (8px grid) */
  --u: 8px;

  /* layout */
  --gutter: clamp(24px, 5vw, 88px);
  --measure: 36rem;
  --container: 1280px;

  /* fonts (shared with v2) */
  --f-display: 'Instrument Serif', Georgia, serif;
  --f-body:    'Newsreader', Georgia, serif;
  --f-mono:    'Geist Mono', 'JetBrains Mono', ui-monospace, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="dark"] {
  --ink-deep:   #f3eede;
  --ink:        #e0d9c2;
  --ink-soft:   #a8a18a;
  --ink-mute:   #6a6450;

  --blue-deep:  #92b3e8;
  --blue:       #7d9ed1;
  --blue-mid:   #5d80b8;
  --blue-soft:  #4a6a9c;
  --blue-pale:  #2a3f6e;
  --blue-tint:  #14223e;

  --paper:      #0c1428;
  --paper-2:    #131b30;
  --rule:       rgba(232, 226, 204, 0.10);
  --rule-soft:  rgba(232, 226, 204, 0.05);
}

/* ---- 2. reset ------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

::selection { background: var(--blue-deep); color: var(--paper); }

/* ---- 3. base ------------------------------------------------- */
body {
  font-family: var(--f-body);
  font-size: var(--t-body);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-optical-sizing: auto;
  transition: background-color 200ms var(--ease), color 200ms var(--ease);
}

.tnum, time, .num { font-variant-numeric: tabular-nums lining-nums; }

/* ---- 4. links ------------------------------------------------ */
a {
  color: var(--blue-deep);
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 1px;
  transition: background-size 200ms var(--ease), color 200ms var(--ease);
  padding-bottom: 1px;
}
a:hover { color: var(--blue); background-size: 100% 2px; }
a.plain { background-image: none; padding-bottom: 0; }
a.plain:hover { color: var(--blue); }

/* ---- 5. type --------------------------------------------------*/
h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 400;
  font-style: normal;
  color: var(--ink-deep);
  margin: 0;
  letter-spacing: -0.012em;
  text-wrap: balance;
}

h1 { font-size: var(--t-h1); line-height: 1.04; }
h2 { font-size: var(--t-h2); line-height: 1.12; }
h3 { font-size: var(--t-h3); line-height: 1.18; }
h4 { font-size: var(--t-h4); line-height: 1.25; }

p { margin: 0 0 calc(var(--u) * 3); text-wrap: pretty; }

em, i { font-style: italic; }

.mono {
  font-family: var(--f-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ---- 6. layout primitives -----------------------------------*/
.shell {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---- 7. reading progress (top sliver) -----------------------*/
.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  background: var(--blue-deep);
  z-index: 60;
  transition: width 80ms linear;
}

/* ---- 8. nav (sticky, light from load) -----------------------*/
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: calc(var(--u) * 2.5) 0;
  color: var(--ink-soft);
  background: rgba(248, 246, 240, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--rule-soft);
  transition: background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}
[data-theme="dark"] .nav { background: rgba(12, 20, 40, 0.85); }

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: calc(var(--u) * 4);
  font-family: var(--f-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-mark { display: inline-flex; align-items: center; gap: 10px; }
.nav-mark .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: currentColor;
  opacity: 0.9;
}

.nav-links { display: flex; align-items: center; gap: calc(var(--u) * 4); }
.nav-links a { color: inherit; opacity: 0.75; background: none; padding: 0; }
.nav-links a:hover { opacity: 1; }
.nav-links a[aria-current="page"] { opacity: 1; color: var(--blue-deep); }

.theme-btn {
  font-family: var(--f-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: inherit;
  opacity: 0.6;
  padding: 0;
  transition: opacity 200ms var(--ease), color 200ms var(--ease);
}
.theme-btn:hover { opacity: 1; color: var(--blue-deep); }

/* ---- 9. essay header ----------------------------------------*/
.essay-shell {
  padding-top: calc(var(--u) * 22);
  padding-bottom: 0;
}

.essay-header {
  max-width: var(--measure);
  margin: 0 auto calc(var(--u) * 8);
}

.essay-eyebrow {
  font-family: var(--f-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-deep);
  display: flex;
  gap: calc(var(--u) * 2);
  flex-wrap: wrap;
  margin-bottom: calc(var(--u) * 4);
}
.essay-eyebrow .sep { color: var(--ink-mute); opacity: 0.6; }

.essay-title {
  font-family: var(--f-display);
  font-style: italic;
  font-size: var(--t-h1);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.018em;
  color: var(--ink-deep);
  margin: 0 0 calc(var(--u) * 5);
  text-wrap: balance;
}
.essay-title .roman { font-style: normal; }
.essay-title .stop { font-style: normal; color: var(--blue-deep); }

.essay-meta {
  font-family: var(--f-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  display: flex;
  gap: calc(var(--u) * 2);
  flex-wrap: wrap;
  align-items: center;
}
.essay-meta .sep { opacity: 0.5; }

.draft-note {
  font-family: var(--f-display);
  font-style: italic;
  font-size: var(--t-lede);
  line-height: 1.45;
  color: var(--ink-soft);
  border-left: 2px solid var(--blue-pale);
  padding: 2px 0 2px calc(var(--u) * 2);
  margin: calc(var(--u) * 6) 0 0;
}

/* ---- 10. horizon (header → body) ----------------------------*/
.essay-horizon {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-deep) 50%, transparent);
  opacity: 0.35;
  max-width: var(--measure);
  margin: 0 auto calc(var(--u) * 10);
}

/* ---- 11. essay body -----------------------------------------*/
.essay-body {
  max-width: var(--measure);
  margin: 0 auto;
  padding-bottom: calc(var(--u) * 16);
}

.essay-body p { margin: 0 0 calc(var(--u) * 3); }

.essay-body h2 {
  font-family: var(--f-display);
  font-style: italic;
  font-size: var(--t-h2);
  font-weight: 400;
  line-height: 1.12;
  color: var(--ink-deep);
  letter-spacing: -0.012em;
  margin: calc(var(--u) * 9) 0 calc(var(--u) * 3);
}
.essay-body h2::before {
  content: "";
  display: block;
  width: 24px;
  height: 1px;
  background: var(--blue-deep);
  opacity: 0.5;
  margin-bottom: calc(var(--u) * 2);
}

/* drop-cap on first paragraph after header */
.essay-body > p:first-of-type::first-letter {
  font-family: var(--f-display);
  font-style: italic;
  font-size: 4.4em;
  line-height: 0.86;
  float: left;
  padding: 6px 12px 0 0;
  margin-top: 4px;
  color: var(--blue-deep);
}

/* ---- 11b. page layout (standalone non-essay pages) ----------*/
.page-shell {
  padding-top: calc(var(--u) * 22);
  padding-bottom: calc(var(--u) * 14);
  max-width: 960px;
  margin: 0 auto;
}

.page-header {
  margin: 0 0 calc(var(--u) * 8);
  max-width: 720px;
}

.page-eyebrow {
  font-family: var(--f-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-deep);
  display: flex;
  gap: calc(var(--u) * 2);
  flex-wrap: wrap;
  margin-bottom: calc(var(--u) * 3);
}
.page-eyebrow .sep { color: var(--ink-mute); opacity: 0.6; }

.page-title {
  font-family: var(--f-display);
  font-style: italic;
  font-size: var(--t-h1);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.018em;
  color: var(--ink-deep);
  margin: 0;
  text-wrap: balance;
}
.page-title .roman { font-style: normal; }
.page-title .stop { font-style: normal; color: var(--blue-deep); }

.page-lede {
  font-family: var(--f-display);
  font-style: italic;
  font-size: var(--t-lede);
  line-height: 1.5;
  color: var(--ink-soft);
  margin: calc(var(--u) * 4) 0 0;
  max-width: var(--measure);
}

.page-meta {
  font-family: var(--f-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: calc(var(--u) * 4);
  display: flex;
  gap: calc(var(--u) * 2);
  flex-wrap: wrap;
}
.page-meta .sep { opacity: 0.5; }

.page-horizon {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-deep) 50%, transparent);
  opacity: 0.3;
  margin: 0 0 calc(var(--u) * 10);
}

.page-body { max-width: 720px; }

/* ---- 11c. content patterns (lists, rows, tags) --------------*/
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-deep);
  margin: 0 0 calc(var(--u) * 2);
}
.kicker::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
}

.year {
  font-family: var(--f-display);
  font-style: italic;
  font-size: var(--t-h3);
  color: var(--blue-deep);
  margin: calc(var(--u) * 7) 0 calc(var(--u) * 2);
  letter-spacing: -0.01em;
  font-weight: 400;
}
.year:first-child { margin-top: 0; }

.list { list-style: none; padding: 0; margin: 0; }

.row {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: calc(var(--u) * 3);
  padding: calc(var(--u) * 2) 0;
  border-bottom: 1px solid var(--rule-soft);
  transition: background 200ms var(--ease);
  align-items: baseline;
}
.row:last-child { border-bottom: 0; }
.row:hover { background: rgba(46, 90, 168, 0.035); }
[data-theme="dark"] .row:hover { background: rgba(146, 179, 232, 0.04); }

.row .when {
  font-family: var(--f-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-mute);
  white-space: nowrap;
}

.row .what { display: block; }
.row .what .title {
  font-family: var(--f-display);
  font-style: italic;
  font-size: var(--t-lede);
  line-height: 1.25;
  color: var(--ink-deep);
}
.row .what a.title { background: none; padding: 0; }
.row .what a.title:hover { color: var(--blue); }
.row .what .note {
  display: block;
  margin-top: 4px;
  font-size: var(--t-small);
  color: var(--ink-soft);
  line-height: 1.5;
}

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: calc(var(--u) * 1.5); }
.tag {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  padding: 3px 8px;
  border: 1px solid var(--blue-pale);
  background: rgba(46, 90, 168, 0.04);
  border-radius: 999px;
}
[data-theme="dark"] .tag {
  color: var(--blue-deep);
  border-color: var(--blue-pale);
  background: rgba(146, 179, 232, 0.04);
}

/* now groups (now.html) */
.now-group + .now-group { margin-top: calc(var(--u) * 5); }
.now-group h2 {
  font-family: var(--f-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-deep);
  margin: 0 0 calc(var(--u) * 2);
  font-weight: 400;
  font-style: normal;
  letter-spacing: 0.14em;
}

/* elsewhere (contact.html) */
.elsewhere {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: calc(var(--u) * 1.5) calc(var(--u) * 6);
  margin: 0;
}
.elsewhere .pair {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: calc(var(--u) * 1.5) 0;
  border-top: 1px solid var(--rule-soft);
}
.elsewhere .pair .k {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.elsewhere .pair .v { font-size: var(--t-body); }

@media (max-width: 800px) {
  .elsewhere { grid-template-columns: 1fr; }
  .row { grid-template-columns: 5rem 1fr; gap: calc(var(--u) * 2); }
}

/* ---- 12. colophon (always dark ground) ----------------------*/
.colophon {
  background: #0a1834;
  color: #c5d3ea;
  padding: 0;
  margin-top: calc(var(--u) * 8);
  position: relative;
  overflow: hidden;
}
.colophon .stripe {
  height: 4px;
  background: linear-gradient(90deg,
    #0c1e4a 0%, #1d4189 30%, #2e5aa8 55%, #6486c4 80%, #b8cce5 100%);
}
.colo-bar { border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.colo-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  font-family: var(--f-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(220, 230, 250, 0.55);
}
.colo-copy {
  display: flex;
  align-items: center;
  padding: calc(var(--u) * 1.5) 0;
  gap: calc(var(--u) * 3);
}
.colo-copy a { color: inherit; background: none; padding: 0; opacity: 0.85; }
.colo-copy a:hover { opacity: 1; color: #ffffff; }
.colo-socials { display: flex; align-items: stretch; }
.colo-socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(220, 230, 250, 0.45);
  background: none;
  padding: 0;
  transition: color 200ms var(--ease), background 200ms var(--ease);
}
.colo-socials a:last-child { border-right: 1px solid rgba(255, 255, 255, 0.08); }
.colo-socials a:hover {
  color: #f8f6f0;
  background: rgba(255, 255, 255, 0.04);
}
.colo-socials svg { width: 15px; height: 15px; display: block; }

.wordmark {
  position: relative;
  width: 100%;
  height: clamp(120px, 20vw, 280px);
  overflow: hidden;
  padding: calc(var(--u) * 5) var(--gutter) calc(var(--u) * 3);
  display: flex;
  align-items: center;
  justify-content: center;
}
.wordmark span {
  font-family: var(--f-display);
  font-style: normal;
  font-weight: 400;
  font-size: clamp(56px, 13vw, 184px);
  line-height: 1;
  letter-spacing: -0.018em;
  text-transform: uppercase;
  white-space: nowrap;
  user-select: none;
  pointer-events: none;
  color: transparent;
  background: linear-gradient(180deg,
    rgba(255, 255, 255, 0.18) 0%,
    rgba(255, 255, 255, 0.32) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

/* ---- 13. responsive ----------------------------------------*/
@media (max-width: 800px) {
  :root {
    --t-h1: 40px;
    --t-h2: 28px;
    --t-body: 17px;
    --t-lede: 19px;
  }
  .essay-shell { padding-top: calc(var(--u) * 18); }
  .nav-links { gap: calc(var(--u) * 2.5); }
  .nav-links .hide-sm { display: none; }
  .colo-bar-inner { flex-direction: column; gap: 0; }
  .colo-copy { font-size: 10px; padding: 14px 0; }
  .colo-socials { border-top: 1px solid rgba(255,255,255,0.08); }
  .colo-socials a { flex: 1; height: 44px; border-left: 1px solid rgba(255,255,255,0.08); }
  .colo-socials a:first-child { border-left: 0; }
  .colo-socials a:last-child { border-right: 0; }
  .essay-body > p:first-of-type::first-letter {
    font-size: 3.6em;
    padding: 4px 10px 0 0;
  }
}

:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 2px; }