/* ============================================================
   MIHIR MADHAPARIA — BRUTALIST / RAW ENGINEERING
   Vanilla CSS (Jekyll). Headlines swap via --font-display.
   ============================================================ */

:root {
  --font-display: 'Space Grotesk', sans-serif; /* JS overrides + persists */
  --font-mono: 'IBM Plex Mono', monospace;
  --ink: #111;
  --paper: #e9e7e1;
  --panel: #f0eee8;
  --red: #ff3b1d;
  --shell: 1200px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--red); }
img { max-width: 100%; display: block; }
::selection { background: var(--red); color: #fff; }

h1, h2, h3 { font-family: var(--font-display); }

/* ---------- shared frame (side-bordered column) ---------- */
.b-frame {
  width: min(calc(100% - 32px), var(--shell));
  margin-left: auto;
  margin-right: auto;
  border-left: 3px solid var(--ink);
  border-right: 3px solid var(--ink);
}

/* ---------- header ---------- */
.b-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--ink); color: var(--paper);
  border-bottom: 3px solid var(--ink);
}
.b-header__inner {
  display: flex; align-items: stretch; justify-content: space-between;
  width: min(calc(100% - 32px), var(--shell)); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; padding: 12px 0; color: var(--paper); }
.brand:hover { color: var(--paper); }
.brand__mono {
  width: 34px; height: 34px; display: grid; place-items: center;
  background: var(--red); color: #fff; font-weight: 700; font-size: 0.82rem; font-family: var(--font-mono);
}
.brand__name { font-family: var(--font-display); font-size: 1rem; font-weight: 800; letter-spacing: -0.02em; }
.b-nav { display: flex; align-items: stretch; }
.b-nav a {
  display: flex; align-items: center; font-size: 0.72rem; font-weight: 500; letter-spacing: 0.04em;
  color: var(--paper); padding: 0 12px; border-left: 1px solid #333; transition: background 0.12s, color 0.12s;
}
.b-nav a:hover { background: var(--red); color: #fff; }
.b-nav a.is-active { color: #fff; }
.b-nav a.is-active::before { content: ""; }
.b-nav a.is-active { background: var(--red); }
.b-nav-toggle {
  display: none; border: 0; background: transparent; color: var(--paper);
  font-family: var(--font-mono); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.08em; cursor: pointer;
}

/* ---------- ticker ---------- */
.ticker {
  background: var(--red); color: #fff; border-bottom: 3px solid var(--ink);
  overflow: hidden; white-space: nowrap; padding: 7px 0;
}
.ticker__track { display: inline-block; animation: bru-marquee 26s linear infinite; font-size: 0.74rem; font-weight: 600; letter-spacing: 0.06em; }
@keyframes bru-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }


/* ---------- hero ---------- */
.hero { display: grid; grid-template-columns: minmax(0,1.1fr) minmax(340px,0.9fr); }
.hero__main { padding: 40px 32px 34px; border-right: 3px solid var(--ink); }
.eyebrow { font-size: 0.72rem; letter-spacing: 0.1em; margin: 0 0 20px; text-transform: uppercase; }
.hero__title { font-size: clamp(3.2rem, 6.6vw, 6.2rem); font-weight: 900; line-height: 0.86; letter-spacing: -0.04em; margin: 0; text-transform: uppercase; }
.hero__lead { max-width: 520px; margin: 28px 0 0; font-size: 0.94rem; line-height: 1.7; color: #2a2a28; }

.btns { display: flex; flex-wrap: wrap; gap: 0; margin-top: 32px; border: 3px solid var(--ink); width: fit-content; }
.btn { display: inline-flex; align-items: center; min-height: 48px; padding: 0 24px; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.04em; transition: background 0.12s, color 0.12s; }
.btn + .btn { border-left: 3px solid var(--ink); }
.btn--dark { background: var(--ink); color: var(--paper); }
.btn--dark:hover { background: var(--red); color: #fff; }
.btn--light { background: var(--paper); color: var(--ink); }
.btn--light:hover { background: var(--ink); color: var(--paper); }

/* ---------- hero viz (flow field) ---------- */
.viz { display: flex; flex-direction: column; }
.viz__bar { padding: 10px 14px; border-bottom: 3px solid var(--ink); display: flex; justify-content: space-between; align-items: center; font-size: 0.68rem; font-weight: 600; letter-spacing: 0.06em; }
.viz__bar .live { color: var(--red); }
.viz__stage { position: relative; flex: 1; min-height: 380px; background: var(--ink); }
#home-flow { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: crosshair; }
.viz__cap { position: absolute; bottom: 0; left: 0; right: 0; padding: 7px 12px; background: var(--red); color: #fff; font-size: 0.64rem; font-weight: 600; letter-spacing: 0.05em; pointer-events: none; }

/* ---------- metrics table ---------- */
.metrics { border-top: 3px solid var(--ink); }
.metric { display: grid; grid-template-columns: 64px 140px 1fr; align-items: center; border-bottom: 1px solid var(--ink); }
.metric:nth-child(even) { background: rgba(0,0,0,0.03); }
.metric__idx { padding: 14px 16px; font-size: 0.66rem; color: #888; border-right: 1px solid var(--ink); }
.metric__big { padding: 14px 16px; font-family: var(--font-display); font-size: 1.7rem; font-weight: 800; letter-spacing: -0.02em; border-right: 1px solid var(--ink); }
.metric__small { padding: 14px 18px; font-size: 0.82rem; color: #2a2a28; line-height: 1.5; }

/* ---------- index cards ---------- */
.index-head { padding: 26px 32px; border-bottom: 3px solid var(--ink); border-top: 3px solid var(--ink); display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.index-head .kicker { font-size: 0.7rem; letter-spacing: 0.1em; margin: 0 0 10px; }
.index-head h2 { font-size: clamp(1.8rem, 3.2vw, 2.8rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1; margin: 0; text-transform: uppercase; }
.index-head .count { font-size: 0.72rem; color: #888; }
.cards { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); border-bottom: 3px solid var(--ink); }
.card { padding: 24px 22px; border-right: 1px solid var(--ink); display: block; color: inherit; transition: background 0.12s, color 0.12s; }
.card:last-child { border-right: 0; }
.card:hover { background: var(--ink); color: var(--paper); }
.card__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.card__num { font-size: 0.66rem; color: #888; }
.card__icon { font-size: 1.3rem; }
.card h3 { font-size: 1.3rem; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 8px; text-transform: uppercase; }
.card p { font-size: 0.78rem; line-height: 1.55; margin: 0; color: #2a2a28; }
.card:hover p { color: #cfcdc6; }

/* ---------- page intro banner ---------- */
.pageintro { background: var(--ink); color: var(--paper); border-bottom: 3px solid var(--ink); padding: 26px 32px; }
.pageintro.between { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.pageintro .kicker { font-size: 0.7rem; letter-spacing: 0.12em; margin: 0 0 12px; color: var(--red); }
.pageintro h1 { font-size: clamp(2.2rem, 5vw, 4rem); font-weight: 900; letter-spacing: -0.03em; line-height: 0.9; margin: 0; text-transform: uppercase; }
.pageintro .count { font-size: 0.72rem; color: #888; }

/* ---------- generic list section ---------- */
.list { border-bottom: 3px solid var(--ink); }
.grouphead { padding: 16px 32px; background: var(--panel); border-bottom: 3px solid var(--ink); border-top: 3px solid var(--ink); font-family: var(--font-display); font-size: 1.05rem; font-weight: 800; letter-spacing: 0.02em; text-transform: uppercase; }
.grouphead--dark { background: var(--ink); color: var(--paper); display: flex; align-items: center; gap: 12px; }
.grouphead--dark .ic { color: var(--red); }

/* ---------- entry (work / projects) ---------- */
.entry { display: grid; grid-template-columns: minmax(0,1.55fr) minmax(240px,0.95fr); border-bottom: 3px solid var(--ink); }
.entry__main { padding: 28px 30px; border-right: 3px solid var(--ink); }
.entry__meta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 16px; }
.tag { display: inline-block; vertical-align: middle; font-size: 0.68rem; padding: 6px 10px; border: 1px solid var(--ink); background: var(--panel); }
.edu__main .tag { margin-bottom: 16px; }
.tag--sm { font-size: 0.64rem; padding: 5px 9px; letter-spacing: 0.04em; }
.entry__note { font-size: 0.7rem; color: #777; }
.entry__org { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.01em; line-height: 1.15; margin: 0; text-transform: uppercase; }
.entry__role { margin: 10px 0 0; font-size: 0.9rem; font-weight: 700; color: var(--red); }
.entry__summary { margin: 12px 0 0; font-size: 0.86rem; line-height: 1.6; color: #2a2a28; }
.bullets { margin: 16px 0 0; padding-left: 18px; font-size: 0.84rem; line-height: 1.7; color: #2a2a28; }
.bullets li { margin-bottom: 6px; }
.entry__aside { padding: 22px; background: var(--panel); display: flex; flex-direction: column; gap: 14px; }
.aside-imgs { display: grid; gap: 6px; }
.aside-imgs.two { grid-template-columns: 1fr 1fr; }
.aside-imgs img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border: 1px solid var(--ink); background: #fff; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 0.66rem; padding: 5px 9px; border: 1px solid var(--ink); background: var(--paper); }
.ph { border: 1px solid var(--ink); background: #fff; padding: 18px; min-height: 150px; display: flex; flex-direction: column; justify-content: center; gap: 8px; }
.ph__icon { font-size: 1.4rem; }
.ph strong { font-size: 0.86rem; font-weight: 700; }
.ph p { font-size: 0.78rem; color: #555; line-height: 1.5; margin: 0; }

/* action buttons in entries */
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.abtn { display: inline-flex; align-items: center; min-height: 44px; padding: 0 20px; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.04em; border: 2px solid var(--ink); }
.abtn--dark { background: var(--ink); color: var(--paper); }
.abtn--light { background: var(--paper); color: var(--ink); }

/* ---------- model box ---------- */
.model { border: 1px solid var(--ink); background: #fff; }
.model__bar { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; border-bottom: 1px solid var(--ink); font-size: 0.64rem; font-weight: 600; letter-spacing: 0.05em; }
.model__bar .live { color: var(--red); }
.model__view { aspect-ratio: 4/3; background: var(--ink); }
.model__view model-viewer { width: 100%; height: 100%; background: var(--ink); }
.model__cap { padding: 10px 12px; border-top: 1px solid var(--ink); font-size: 0.72rem; color: #555; line-height: 1.45; }
.dl { display: grid; gap: 6px; }
.dl a { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; padding: 0 14px; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em; border: 2px solid var(--ink); background: var(--paper); color: var(--ink); }
.dl a:hover { background: var(--ink); color: var(--paper); }

/* ---------- publications ---------- */
.pub { display: grid; grid-template-columns: minmax(0,1.55fr) minmax(220px,0.75fr); border-bottom: 3px solid var(--ink); }
.pub__main { padding: 28px 30px; border-right: 3px solid var(--ink); }
.pub__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.pub__title { font-size: 1.22rem; font-weight: 800; letter-spacing: -0.01em; line-height: 1.2; margin: 0; text-transform: uppercase; }
.pub__authors { margin: 12px 0 0; font-size: 0.84rem; font-weight: 700; color: var(--red); }
.pub__venue { margin: 6px 0 0; font-size: 0.8rem; color: #555; line-height: 1.5; }
.citation { margin: 16px 0 0; padding: 14px 16px; border-left: 3px solid var(--red); background: var(--panel); font-size: 0.76rem; line-height: 1.6; color: #2a2a28; }
.highlights { display: grid; grid-template-columns: 1fr 1fr; margin-top: 20px; border: 1px solid var(--ink); border-bottom: 0; border-right: 0; }
.highlight { padding: 14px 16px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.highlight strong { display: block; font-size: 0.78rem; font-weight: 700; margin-bottom: 5px; }
.highlight span { font-size: 0.74rem; color: #555; line-height: 1.5; }
.abstract { margin-top: 18px; border: 1px solid var(--ink); background: var(--panel); }
.abstract > summary { list-style: none; cursor: pointer; padding: 12px 16px; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em; }
.abstract > summary::-webkit-details-marker { display: none; }
.abstract > summary::after { content: '+ READ ABSTRACT'; }
.abstract[open] > summary::after { content: '\2212 HIDE ABSTRACT'; }
.abstract__body { padding: 0 16px 16px; }
.abstract__body p { font-size: 0.8rem; line-height: 1.65; color: #2a2a28; margin: 0 0 10px; }
.pub__aside { padding: 22px; background: var(--panel); }
.pub__aside .lbl { font-size: 0.64rem; color: #888; letter-spacing: 0.08em; margin-bottom: 12px; }

/* ---------- skills ---------- */
.skillgrid { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 3px solid var(--ink); }
.skillcard { padding: 28px 30px; border-bottom: 3px solid var(--ink); }
.skillcard:nth-child(odd) { border-right: 3px solid var(--ink); }
.skillcard__head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 8px; }
.skillcard__num { font-family: var(--font-mono); font-size: 0.72rem; color: var(--red); font-weight: 700; }
.skillcard h2 { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.01em; margin: 0; text-transform: uppercase; }
.skillcard p { font-size: 0.82rem; color: #555; line-height: 1.6; margin: 0 0 18px; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { font-size: 0.74rem; padding: 8px 12px; border: 2px solid var(--ink); background: var(--panel); transition: background 0.12s, color 0.12s; cursor: pointer; user-select: none; -webkit-user-select: none; }
.pill:focus-visible { outline: 3px solid var(--red); outline-offset: 2px; }
.pill:hover { background: var(--ink); color: var(--paper); }

/* ---------- education ---------- */
.edu { display: grid; grid-template-columns: 200px 1fr; border-bottom: 3px solid var(--ink); }
.edu__logo { border-right: 3px solid var(--ink); background: var(--panel); display: flex; align-items: center; justify-content: center; padding: 28px; }
.edu__logo img { max-width: 130px; width: 100%; height: auto; }
.edu__main { padding: 28px 30px; }
.edu__main h2 { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.01em; line-height: 1.15; margin: 0; text-transform: uppercase; }
.edu__degree { margin: 10px 0 0; font-size: 0.92rem; font-weight: 700; color: var(--red); }
.edu__summary { margin: 12px 0 0; font-size: 0.86rem; line-height: 1.6; color: #2a2a28; }
.edu__row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; align-items: center; }

/* ---------- awards ---------- */
.awardgrid { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 3px solid var(--ink); }
.award { padding: 26px 24px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); display: flex; flex-direction: column; gap: 14px; min-height: 210px; transition: background 0.12s, color 0.12s; }
.award:hover { background: var(--ink); color: var(--paper); }
.award__top { display: flex; align-items: center; justify-content: space-between; }
.award__top img { height: 40px; width: auto; max-width: 80px; object-fit: contain; }
.award__icon { font-size: 1.7rem; }
.award__num { font-family: var(--font-mono); font-size: 0.64rem; color: #888; }
.award h2 { font-size: 1.02rem; font-weight: 800; letter-spacing: -0.01em; line-height: 1.2; margin: 0; text-transform: uppercase; }
.award p { font-size: 0.78rem; color: #555; line-height: 1.5; margin: 0; }
.award:hover p { color: #cfcdc6; }
.award__year { margin-top: auto; font-size: 0.7rem; letter-spacing: 0.04em; color: var(--red); font-weight: 700; }

/* ---------- beyond ---------- */
.beyond-hero { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(320px,0.95fr); }
.beyond-hero__main { padding: 40px 32px 34px; border-right: 3px solid var(--ink); }
.beyond-hero__title { font-size: clamp(2.6rem, 5vw, 4.4rem); font-weight: 900; line-height: 0.9; letter-spacing: -0.035em; margin: 0; text-transform: uppercase; }
.beyond-photos { display: grid; grid-template-columns: 1.3fr 1fr; grid-template-rows: 1fr 1fr; }
.photo { position: relative; overflow: hidden; background: #dedcd4; }
.photo--tall { grid-row: 1 / span 2; border-bottom: 3px solid var(--ink); }
.photo--a { border-left: 3px solid var(--ink); border-bottom: 3px solid var(--ink); }
.photo--b { border-left: 3px solid var(--ink); border-bottom: 3px solid var(--ink); }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.photo__empty { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; text-align: center; padding: 16px; color: #8a887f; }
.photo__empty span { font-size: 1.4rem; }
.photo__empty small { font-size: 0.66rem; letter-spacing: 0.06em; }
.photo:has(img) .photo__empty, .places__map:has(img) .photo__empty, .places__map:has(iframe) .photo__empty { display: none; }
.photo__cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 10px 12px; background: var(--ink); color: var(--paper); font-family: var(--font-mono); font-size: 0.72rem; line-height: 1.4; border-top: 3px solid var(--red); transform: translateY(101%); transition: transform 0.25s cubic-bezier(0.2,0,0.2,1); pointer-events: none; z-index: 5; }
.photo:hover .photo__cap { transform: translateY(0); }

.simple-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; border-bottom: 1px solid var(--ink); border-top: 3px solid var(--ink); background: var(--panel); }
.simple-head h2 { font-size: 1.1rem; font-weight: 800; letter-spacing: -0.01em; margin: 0; text-transform: uppercase; }
.simple-head .note { font-size: 0.66rem; color: #777; }
.twostat { display: grid; grid-template-columns: 1fr 1fr; }
.twostat article { padding: 26px 24px; border-right: 1px solid var(--ink); }
.twostat__tag { font-size: 0.66rem; color: #888; letter-spacing: 0.08em; margin-bottom: 12px; }
.twostat__big { display: block; font-family: var(--font-display); font-size: 3rem; font-weight: 800; letter-spacing: -0.03em; line-height: 0.9; }
.twostat__label { display: block; margin-top: 10px; font-size: 0.82rem; color: #2a2a28; }

.chartwrap { padding: 22px 24px 16px; border-top: 1px solid var(--ink); }
#week-chart { position: relative; display: flex; align-items: flex-end; gap: 2px; height: 190px; border-bottom: 2px solid var(--ink); border-left: 2px solid var(--ink); padding-left: 6px; }
#week-chart .bar { flex: 1; min-width: 0; background: var(--ink); transition: background 0.1s; }
#week-chart .bar:hover { background: var(--red); }
.chart-axis { display: flex; justify-content: space-between; margin-top: 8px; font-size: 0.62rem; color: #888; letter-spacing: 0.06em; }
.chart-note { margin: 12px 0 0; font-size: 0.68rem; color: #888; }

.places { display: grid; grid-template-columns: minmax(0,1fr) minmax(280px,0.66fr); border-top: 3px solid var(--ink); }
.places__map { position: relative; min-height: 300px; border-right: 3px solid var(--ink); overflow: hidden; background: #dedcd4; }
.places__panel { padding: 24px; }
.places__panel h2 { font-size: 1.3rem; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 6px; text-transform: uppercase; }
.places__panel p { font-size: 0.82rem; color: #2a2a28; line-height: 1.6; margin: 0 0 16px; }

/* ---------- reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- footer ---------- */
.b-footer { border: 3px solid var(--ink); border-top: 0; margin-bottom: 40px; background: var(--ink); color: var(--paper); display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; }
.b-footer__cell { padding: 20px; border-right: 1px solid #333; color: var(--paper); }
.b-footer__cell:last-child { border-right: 0; }
a.b-footer__cell:hover { background: var(--red); color: #fff; }
.b-footer__label { font-size: 0.62rem; color: #888; letter-spacing: 0.08em; margin-bottom: 6px; }
.b-footer__name { font-family: var(--font-display); font-size: 1rem; font-weight: 800; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero, .beyond-hero, .pub, .edu, .places { grid-template-columns: 1fr; }
  .hero__main, .beyond-hero__main, .pub__main, .edu__logo, .places__map { border-right: 0; border-bottom: 3px solid var(--ink); }
  .entry { grid-template-columns: 1fr; }
  .entry__main { border-right: 0; border-bottom: 3px solid var(--ink); }
  .cards { grid-template-columns: 1fr 1fr; }
  .awardgrid { grid-template-columns: 1fr 1fr; }
  .edu { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .b-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: var(--ink); border-bottom: 3px solid var(--ink); }
  .b-nav.open { display: flex; }
  .b-nav a { border-left: 0; border-bottom: 1px solid #333; padding: 14px 16px; }
  .b-nav-toggle { display: inline-flex; align-items: center; }
  .b-header__inner { position: relative; }
  .cards, .awardgrid, .skillgrid, .twostat, .highlights { grid-template-columns: 1fr; }
  .skillcard:nth-child(odd) { border-right: 0; }
  .metric { grid-template-columns: 48px 100px 1fr; }
  .b-footer { grid-template-columns: 1fr 1fr; }
}