/* Rohit Jain — personal site
   Fraunces (display) · Inter (text) · JetBrains Mono (labels). Self-hosted, one accent. */

@font-face {
  font-family: "Fraunces";
  src: url("/assets/fonts/fraunces.woff2") format("woff2");
  font-weight: 300 700;
  font-display: swap;
  font-style: normal;
}
@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/inter.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  font-style: normal;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/assets/fonts/mono.woff2") format("woff2");
  font-weight: 400 600;
  font-display: swap;
  font-style: normal;
}

/* ---------- tokens ---------- */

:root {
  --bg:      #f4f1ea;
  --bg-2:    #ece7dc;
  --ink:     #1b1a17;
  --ink-2:   #58544b;
  --ink-3:   #8a8476;
  --line:    #d9d3c4;
  --line-2:  #e7e2d6;
  --accent:  #1f3b57;
  --accent-2:#b8571f;
  --live:    #2f7d52;
  --sel:     rgba(31, 59, 87, 0.16);
  --shadow:  0 1px 2px rgba(28,26,23,.04), 0 12px 34px -12px rgba(28,26,23,.14);

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --wrap: 74rem;
  --pad: clamp(1.25rem, 5vw, 3.5rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:      #131211;
    --bg-2:    #1b1a18;
    --ink:     #ece7db;
    --ink-2:   #a8a191;
    --ink-3:   #6f6a5c;
    --line:    #2c2a25;
    --line-2:  #24221e;
    --accent:  #8bb0d8;
    --accent-2:#e2925e;
    --live:    #5fbe8a;
    --sel:     rgba(139, 176, 216, 0.22);
    --shadow:  0 1px 2px rgba(0,0,0,.3), 0 16px 40px -14px rgba(0,0,0,.6);
  }
}
:root[data-theme="light"] {
  --bg:#f4f1ea; --bg-2:#ece7dc; --ink:#1b1a17; --ink-2:#58544b; --ink-3:#8a8476;
  --line:#d9d3c4; --line-2:#e7e2d6; --accent:#1f3b57; --accent-2:#b8571f; --live:#2f7d52;
  --sel:rgba(31,59,87,0.16); --shadow:0 1px 2px rgba(28,26,23,.04), 0 12px 34px -12px rgba(28,26,23,.14);
}
:root[data-theme="dark"] {
  --bg:#131211; --bg-2:#1b1a18; --ink:#ece7db; --ink-2:#a8a191; --ink-3:#6f6a5c;
  --line:#2c2a25; --line-2:#24221e; --accent:#8bb0d8; --accent-2:#e2925e; --live:#5fbe8a;
  --sel:rgba(139,176,216,0.22); --shadow:0 1px 2px rgba(0,0,0,.3), 0 16px 40px -14px rgba(0,0,0,.6);
}

/* ---------- base ---------- */

*, *::before, *::after { box-sizing: border-box; }

html {
  font-size: 17px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  font-feature-settings: "kern","liga","calt","cv05","ss03";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--sel); }

a { color: inherit; text-decoration: none; }

p { margin: 0 0 1rem; max-width: 44rem; }
p:last-child { margin-bottom: 0; }

strong { font-weight: 600; }

.q { color: var(--ink-3); }

.skip {
  position: fixed; left: -999px; top: 0; z-index: 100;
  background: var(--accent); color: #fff;
  padding: .6rem 1rem; border-radius: 0 0 6px 0;
  font: 500 .9rem/1 var(--sans);
}
.skip:focus { left: 0; }

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

/* ---------- background layers ---------- */

.bg {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(52rem 34rem at 88% -12%, color-mix(in oklab, var(--accent) 14%, transparent), transparent 68%),
    radial-gradient(40rem 30rem at -8% 8%, color-mix(in oklab, var(--accent-2) 8%, transparent), transparent 70%);
}
.bg-grain {
  position: absolute; inset: 0;
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
@media (prefers-color-scheme: dark) { .bg-grain { opacity: .05; } }

/* ---------- sticky bar ---------- */

.bar {
  position: fixed; inset: 0 0 auto 0; z-index: 40;
  transform: translateY(-101%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.bar.show { transform: none; }
.bar-in {
  max-width: var(--wrap); margin-inline: auto;
  padding: .7rem var(--pad);
  display: flex; align-items: center; gap: .9rem;
}
.bar-mark {
  font: 600 .82rem/1 var(--mono);
  letter-spacing: .06em;
  padding: .3rem .42rem;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--ink-2);
}
.bar-name { font: 520 1rem/1 var(--serif); }
.bar-right {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: .55rem;
  font: 500 .72rem/1 var(--mono);
  text-transform: uppercase; letter-spacing: .12em;
  color: var(--ink-2);
}

.dot {
  width: .5rem; height: .5rem; border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 0 0 color-mix(in oklab, var(--live) 60%, transparent);
  animation: pulse 2.6s ease-out infinite;
  flex: none;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--live) 55%, transparent); }
  70%,100% { box-shadow: 0 0 0 .5rem transparent; }
}
@media (prefers-reduced-motion: reduce) { .dot { animation: none; } }

.theme {
  width: 1.7rem; height: 1.7rem; padding: 0; margin-left: .3rem;
  border: 1px solid var(--line); border-radius: 50%;
  background: var(--bg-2); cursor: pointer;
  position: relative; color: var(--ink-2);
  transition: color .2s, border-color .2s;
}
.theme:hover { color: var(--ink); border-color: var(--ink-3); }
.theme::before {
  content: ""; position: absolute; inset: 0; margin: auto;
  width: .8rem; height: .8rem; border-radius: 50%;
  background: currentColor;
  box-shadow: inset -.28rem -.28rem 0 0 var(--bg-2);
}
:root[data-theme="dark"] .theme::before { box-shadow: none; background: currentColor; transform: scale(.62); }

/* ---------- layout primitives ---------- */

main { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); }

.band {
  padding-block: clamp(3.5rem, 9vw, 7.5rem);
  border-top: 1px solid var(--line);
}

.sec-head {
  display: flex; align-items: baseline; gap: 1rem;
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}
.num {
  font: 500 .8rem/1 var(--mono);
  color: var(--accent-2);
  letter-spacing: .1em;
  padding-top: .35rem;
}
h2 {
  font: 460 clamp(1.9rem, 4.4vw, 2.9rem)/1.02 var(--serif);
  font-variation-settings: "opsz" 40, "SOFT" 20, "WONK" 1;
  letter-spacing: -0.015em;
  margin: 0;
}

/* ---------- hero ---------- */

.hero {
  min-height: clamp(36rem, 88vh, 58rem);
  padding-block: clamp(5rem, 13vh, 8rem) clamp(3rem, 9vh, 6rem);
  display: grid;
  align-content: center;
  grid-template-columns: minmax(0, 1fr) minmax(0, 20rem);
  grid-template-areas: "main facts";
  column-gap: clamp(2rem, 6vw, 5rem);
  row-gap: 3rem;
  position: relative;
  background-image: radial-gradient(color-mix(in oklab, var(--line) 55%, transparent) 1px, transparent 1.4px);
  background-size: 30px 30px;
  background-position: -1px -1px;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background: linear-gradient(180deg, transparent 60%, var(--bg) 100%);
}
.hero > * { position: relative; z-index: 1; }
.hero-main { grid-area: main; }

.hero-facts {
  grid-area: facts;
  align-self: center;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in oklab, var(--bg-2) 55%, transparent);
  padding: 1.4rem 1.5rem;
}
.hero-facts > div { padding: .7rem 0; border-top: 1px solid var(--line-2); }
.hero-facts > div:first-child { border-top: 0; padding-top: 0; }
.hero-facts > div:last-child { padding-bottom: 0; }
.hero-facts dt {
  font: 500 .68rem/1.4 var(--mono);
  text-transform: uppercase; letter-spacing: .12em;
  color: var(--ink-3);
  margin-bottom: .15rem;
}
.hero-facts dd { margin: 0; font-size: .92rem; color: var(--ink); }
.hero-facts a {
  background: linear-gradient(var(--accent), var(--accent)) 0 100%/100% 1px no-repeat;
}

@media (max-width: 60rem) {
  .hero {
    grid-template-columns: 1fr;
    grid-template-areas: "main" "facts";
    row-gap: 2.5rem;
  }
  .hero-facts { max-width: 26rem; }
}

.kicker {
  font: 500 .78rem/1.4 var(--mono);
  text-transform: uppercase;
  letter-spacing: .16em;
  color: var(--ink-2);
  margin: 0 0 clamp(1rem, 3vw, 1.75rem);
}

h1 {
  font-family: var(--serif);
  font-weight: 420;
  font-size: clamp(3.4rem, 13vw, 8.5rem);
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 1;
  line-height: 0.92;
  letter-spacing: -0.028em;
  margin: 0 0 clamp(1.5rem, 4vw, 2.5rem);
  text-wrap: balance;
}

.hero-lede {
  font-size: clamp(1.15rem, 2.3vw, 1.5rem);
  line-height: 1.5;
  color: var(--ink);
  max-width: 32ch;
  margin: 0 0 1.6rem;
  text-wrap: pretty;
}

.status {
  display: inline-flex; align-items: center; gap: .6rem;
  font: 500 .82rem/1.3 var(--mono);
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--ink-2);
  margin: 0 0 clamp(1.75rem, 4vw, 2.5rem);
}

.cta { display: flex; flex-wrap: wrap; gap: .7rem; }

.btn {
  display: inline-flex; align-items: baseline; gap: .5rem;
  padding: .72rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in oklab, var(--bg-2) 70%, transparent);
  font: 500 .95rem/1 var(--sans);
  color: var(--ink);
  transition: border-color .18s, background .18s, transform .18s, color .18s;
}
.btn:hover { border-color: var(--ink-3); transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-sub {
  font: 500 .68rem/1 var(--mono);
  letter-spacing: .08em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.btn-solid {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
:root[data-theme="dark"] .btn-solid,
.btn-solid { color: #fff; }
@media (prefers-color-scheme: dark) { .btn-solid { color: #0e0d0c; } }
:root[data-theme="dark"] .btn-solid { color: #0e0d0c; }
:root[data-theme="light"] .btn-solid { color: #fff; }
.btn-solid:hover { border-color: var(--accent); background: color-mix(in oklab, var(--accent) 88%, #000); }
@media (prefers-color-scheme: dark) { .btn-solid:hover { background: color-mix(in oklab, var(--accent) 88%, #fff); } }
:root[data-theme="dark"] .btn-solid:hover { background: color-mix(in oklab, var(--accent) 88%, #fff); }
:root[data-theme="light"] .btn-solid:hover { background: color-mix(in oklab, var(--accent) 88%, #000); }

.scroll-cue {
  position: absolute; left: 0; bottom: clamp(0.5rem, 3vh, 1.75rem);
  font: 500 .7rem/1 var(--mono);
  text-transform: uppercase; letter-spacing: .16em;
  color: var(--ink-3);
  display: inline-flex; align-items: center; gap: .6rem;
}
@media (max-width: 60rem) { .scroll-cue { display: none; } }
.scroll-cue::before {
  content: ""; width: 2.4rem; height: 1px; background: var(--ink-3);
  transform-origin: left; animation: line 2.4s ease-in-out infinite;
}
@keyframes line { 0%,100% { transform: scaleX(.4); opacity: .5; } 50% { transform: scaleX(1); opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .scroll-cue::before { animation: none; } }

/* ---------- work ---------- */

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

.proj {
  position: relative;
  padding: clamp(1.5rem, 3vw, 2.25rem) clamp(1.25rem, 3vw, 2rem);
  padding-left: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in oklab, var(--bg-2) 55%, transparent);
  transition: border-color .2s, background .2s, transform .2s, box-shadow .2s;
}
.proj + .proj { margin-top: .9rem; }
.proj::before {
  content: ""; position: absolute; left: 0; top: 1.4rem; bottom: 1.4rem;
  width: 2px; border-radius: 2px;
  background: var(--accent);
  transform: scaleY(.001); transform-origin: top;
  transition: transform .28s cubic-bezier(.4,0,.2,1);
}
.proj:hover {
  border-color: color-mix(in oklab, var(--accent) 45%, var(--line));
  background: color-mix(in oklab, var(--bg-2) 90%, transparent);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.proj:hover::before { transform: scaleY(1); }

.proj-head { display: flex; align-items: center; flex-wrap: wrap; gap: .7rem; margin-bottom: .35rem; }
.proj h3 {
  font: 480 clamp(1.25rem, 2.6vw, 1.6rem)/1.15 var(--serif);
  font-variation-settings: "opsz" 30, "SOFT" 30, "WONK" 0;
  letter-spacing: -0.01em;
  margin: 0;
}
.proj h3 a { background: linear-gradient(var(--accent), var(--accent)) 0 100%/0 1.5px no-repeat; transition: background-size .25s; }
.proj h3 a:hover { background-size: 100% 1.5px; }

.proj-meta {
  font: 500 .76rem/1.4 var(--mono);
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--ink-3);
  margin: 0 0 .9rem;
}

.proj ul { margin: .9rem 0 0; padding: 0; list-style: none; }
.proj ul li {
  position: relative; padding-left: 1.3rem; margin-bottom: .55rem;
  color: var(--ink-2);
}
.proj ul li:last-child { margin-bottom: 0; }
.proj ul li::before {
  content: ""; position: absolute; left: .1rem; top: .68em;
  width: .38rem; height: .38rem; border-radius: 50%;
  border: 1.5px solid var(--accent-2);
}

.pill {
  font: 600 .64rem/1 var(--mono);
  text-transform: uppercase; letter-spacing: .1em;
  padding: .32rem .5rem;
  border-radius: 5px;
}
.pill-live {
  color: var(--live);
  background: color-mix(in oklab, var(--live) 16%, transparent);
}

/* ---------- principles ---------- */

.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: clamp(1.25rem, 3vw, 2.25rem);
}
.principles > div {
  padding-top: 1.25rem;
  border-top: 2px solid var(--ink);
}
.principles h3 {
  font: 500 1.18rem/1.25 var(--serif);
  font-variation-settings: "opsz" 24, "SOFT" 40;
  margin: 0 0 .5rem;
}
.principles p { color: var(--ink-2); font-size: .98rem; margin: 0; }

/* ---------- stack ---------- */

.stack { margin: 0; display: grid; gap: 0; }
.stack > div {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: .5rem 1.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}
.stack > div:first-child { border-top: 0; padding-top: 0; }
.stack > div:last-child { padding-bottom: 0; }
.stack dt {
  font: 500 .78rem/1.5 var(--mono);
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--accent);
}
.stack dd { margin: 0; color: var(--ink); }

/* ---------- timeline ---------- */

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: .15rem 1.75rem;
  padding: 1.3rem 0 1.3rem 1.5rem;
  border-left: 1px solid var(--line);
  position: relative;
}
.timeline li:first-child { padding-top: 0; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: ""; position: absolute; left: -.34rem; top: .2rem;
  width: .62rem; height: .62rem; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent);
}
.timeline li:first-child::before { top: 0; }
.tl-when {
  grid-row: span 2;
  font: 500 .8rem/1.6 var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--ink-3);
  letter-spacing: .02em;
}
.tl-co { font: 520 1.15rem/1.3 var(--serif); }
.tl-what { color: var(--ink-2); font-size: .96rem; }

/* ---------- creds ---------- */

.creds { list-style: none; margin: 0; padding: 0; max-width: 46rem; }
.creds li {
  padding: .85rem 0 .85rem 1.6rem;
  border-top: 1px solid var(--line);
  position: relative;
  color: var(--ink-2);
}
.creds li:first-child { border-top: 0; padding-top: 0; }
.creds li:last-child { padding-bottom: 0; }
.creds li::before {
  content: "—"; position: absolute; left: 0; color: var(--accent-2);
  font-family: var(--mono);
}
.creds li:first-child::before { top: 0; }

/* ---------- footer ---------- */

.foot {
  max-width: var(--wrap); margin-inline: auto;
  padding: clamp(4rem, 12vw, 8rem) var(--pad) clamp(3rem, 8vw, 5rem);
  border-top: 1px solid var(--line);
}
.foot .kicker { margin-bottom: 1.25rem; }
.foot-big {
  font: 400 clamp(2rem, 7vw, 4.5rem)/1.05 var(--serif);
  font-variation-settings: "opsz" 144, "WONK" 1;
  letter-spacing: -0.02em;
  margin: 0 0 2rem;
  max-width: none;
}
.foot-big a {
  background: linear-gradient(var(--accent-2), var(--accent-2)) 0 100%/0 2px no-repeat;
  transition: background-size .3s;
  overflow-wrap: anywhere;
}
.foot-big a:hover, .foot-big a:focus-visible { background-size: 100% 2px; }
.foot-big a.copied { background-size: 100% 2px; }

.foot-links {
  display: flex; flex-wrap: wrap; gap: .5rem 1.75rem;
  font: 500 .82rem/1.5 var(--mono);
  text-transform: uppercase; letter-spacing: .06em;
  margin-bottom: 2.5rem;
}
.foot-links a { color: var(--ink-2); transition: color .18s; }
.foot-links a:hover { color: var(--ink); }

.fine { color: var(--ink-3); font-size: .82rem; margin: 0 0 1.5rem; max-width: 42rem; }

.totop {
  font: 500 .72rem/1 var(--mono);
  text-transform: uppercase; letter-spacing: .14em;
  color: var(--ink-3);
  display: inline-flex; align-items: center; gap: .5rem;
}
.totop::before { content: "↑"; }
.totop:hover { color: var(--ink); }

/* ---------- responsive ---------- */

@media (max-width: 46rem) {
  html { font-size: 16px; }
  .stack > div { grid-template-columns: 1fr; gap: .25rem; padding: .9rem 0; }
  .timeline li { grid-template-columns: 1fr; gap: .1rem; padding-left: 1.25rem; }
  .tl-when { grid-row: auto; }
  .sec-head { flex-direction: column; gap: .4rem; }
  .num { padding-top: 0; }
  .bar-name { display: none; }
}

/* ---------- print ---------- */

@media print {
  .bg, .bar, .scroll-cue, .totop, .theme, .skip { display: none !important; }
  :root { --bg:#fff; --bg-2:#fff; --ink:#000; --ink-2:#222; --ink-3:#555; --line:#ccc; --accent:#1f3b57; }
  body { font-size: 10.5pt; line-height: 1.4; }
  .hero { min-height: 0; padding: 0 0 1rem; background: none; }
  h1 { font-size: 34pt; }
  .band { padding-block: .9rem; border-color: #ccc; break-inside: avoid; }
  .proj, .timeline li, .principles > div { break-inside: avoid; }
  .proj { border: 1px solid #ddd; box-shadow: none; }
  a { color: #000; }
  .cta a[href="/resume.pdf"] { display: none; }
}