/* Prof. A. K. Gupta Tribute — styles */

:root {
  --bg: #faf6ec;
  --bg-soft: #f3ecd9;
  --bg-deep: #ebe2c9;
  --ink: #2a221b;
  --ink-soft: #4a3f33;
  --ink-muted: #7a6e5b;
  --rule: #d6cab0;
  --rule-soft: #e5dbc1;
  --accent: #8a3324;
  --accent-soft: #b25a3e;
  --max-text: 660px;
  --max-figure: 880px;
  --max-wide: 1080px;
  --serif-display: "Cormorant Garamond", "EB Garamond", "Iowan Old Style", Georgia, serif;
  --serif-body: "EB Garamond", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --serif-hindi: "Noto Serif Devanagari", "EB Garamond", Georgia, serif;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif-body);
  font-weight: 400;
  line-height: 1.7;
  font-feature-settings: "kern", "liga", "onum";
}

/* ---------- Hero (split layout) ---------- */

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  min-height: 88vh;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  border-bottom: 1px solid var(--rule-soft);
}

.hero-portrait {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem 3rem 3rem;
  order: 2;
}

.hero-portrait img {
  max-width: 100%;
  max-height: 78vh;
  width: auto;
  height: auto;
  display: block;
  border-radius: 2px;
  box-shadow: 0 16px 50px rgba(40, 30, 15, 0.22);
  filter: saturate(0.97);
}

.hero-text {
  order: 1;
  padding: 3rem 2rem 3rem 5%;
  text-align: left;
  color: var(--ink);
  max-width: 600px;
  margin-left: auto;
}

.hero-text .eyebrow {
  font-family: var(--serif-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  margin: 0 0 0.8rem;
  color: var(--ink-muted);
  text-transform: uppercase;
}

.hero-text h1 {
  font-family: var(--serif-display);
  font-weight: 500;
  font-size: clamp(2.4rem, 5.4vw, 4.2rem);
  line-height: 1.05;
  margin: 0;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.hero-text .alias {
  font-family: var(--serif-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.45;
  margin: 0.6rem 0 1.6rem;
  color: var(--accent);
  max-width: 28em;
}

.hero-text .affiliation {
  font-family: var(--serif-body);
  font-size: 1.1rem;
  line-height: 1.6;
  margin: 0;
  color: var(--ink-soft);
}

.hero-text .hero-ornament {
  margin: 2rem 0 0;
  font-family: var(--serif-display);
  font-size: 1.6rem;
  color: var(--accent);
  opacity: 0.55;
}

/* ---------- Audio toggle ---------- */

.audio-toggle {
  position: fixed;
  bottom: 1.4rem;
  right: 1.4rem;
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.6rem 1rem 0.6rem 0.85rem;
  border: 1px solid var(--rule);
  background: var(--bg);
  color: var(--ink-soft);
  border-radius: 999px;
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 0.95rem;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(40, 30, 15, 0.12);
  transition: background 120ms ease, color 120ms ease, transform 120ms ease;
}

.audio-toggle:hover {
  background: var(--bg-soft);
  color: var(--ink);
  transform: translateY(-1px);
}

.audio-toggle .audio-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  color: var(--accent);
  font-size: 0.85rem;
}

.audio-toggle .audio-icon .pause {
  display: none;
  letter-spacing: -0.15em;
}

.audio-toggle.is-playing .audio-icon .play {
  display: none;
}

.audio-toggle.is-playing .audio-icon .pause {
  display: inline;
}

.audio-toggle.is-playing {
  background: var(--bg-soft);
  border-color: var(--accent-soft);
  color: var(--ink);
}

/* ---------- LinkedIn post card ---------- */

.linkedin-post {
  max-width: 720px;
  margin: 4rem auto 2rem;
  padding: 0 1.5rem;
}

.linkedin-post h2 {
  margin-top: 0;
}

.linkedin-post .section-lede {
  margin-bottom: 2rem;
}

.linkedin-post .post-card {
  background: var(--bg-soft);
  border: 1px solid var(--rule-soft);
  border-left: 3px solid var(--accent);
  padding: 2rem 2rem 1.5rem;
  border-radius: 2px;
}

.linkedin-post .post-card p {
  font-size: 1.08rem;
  line-height: 1.7;
  margin: 0 0 1em;
  color: var(--ink);
}

.linkedin-post .post-card p:last-child {
  margin-bottom: 0;
}

.linkedin-post .post-card .devanagari-inline {
  font-family: var(--serif-hindi);
  font-weight: 500;
  color: var(--accent);
}

.linkedin-post .post-card .post-meta {
  font-size: 0.95rem;
  color: var(--ink-muted);
  font-style: italic;
}

.linkedin-post .post-card .post-attribution {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-muted);
  margin-top: 1rem;
  letter-spacing: 0.02em;
}

/* ---------- Section: epigraph (Hindi quote) ---------- */

.epigraph {
  text-align: center;
  padding: 5rem 1.5rem 3rem;
  max-width: var(--max-text);
  margin: 0 auto;
}

.epigraph .devanagari {
  font-family: var(--serif-hindi);
  font-weight: 500;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.5;
  color: var(--ink);
  margin: 0 0 1rem;
}

.epigraph .translation {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--ink-soft);
  margin: 0 0 1.4rem;
}

.epigraph .attribution {
  font-family: var(--serif-display);
  font-size: 0.95rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  margin: 0;
}

.epigraph::after {
  content: "";
  display: block;
  width: 60px;
  height: 1px;
  background: var(--rule);
  margin: 2.4rem auto 0;
}

/* ---------- Prose blocks ---------- */

.prose {
  max-width: var(--max-text);
  margin: 0 auto;
  padding: 1.5rem 1.5rem;
}

.opening {
  padding-top: 1rem;
  padding-bottom: 3rem;
}

.opening p {
  font-size: 1.18rem;
  line-height: 1.75;
  margin: 0 0 1.2em;
}

.opening p:first-of-type::first-letter {
  font-family: var(--serif-display);
  font-size: 4.2rem;
  font-weight: 500;
  float: left;
  line-height: 0.9;
  margin: 0.2rem 0.6rem 0 0;
  color: var(--accent);
}

.prose p {
  margin: 0 0 1.1em;
  font-size: 1.1rem;
}

h2 {
  font-family: var(--serif-display);
  font-weight: 500;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.005em;
  margin: 4rem 0 1rem;
  text-align: center;
  color: var(--ink);
}

h2::after {
  content: "";
  display: block;
  width: 40px;
  height: 1px;
  background: var(--accent);
  margin: 1rem auto 0;
  opacity: 0.7;
}

.section-lede {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 1.18rem;
  color: var(--ink-soft);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.55;
}

/* ---------- In his own words ---------- */

.quotes {
  background: var(--bg-soft);
  padding: 4rem 1.5rem 5rem;
  margin: 4rem 0 0;
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}

.quotes h2 {
  margin-top: 0;
}

.quote-grid {
  max-width: var(--max-wide);
  margin: 2rem auto 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem 3rem;
}

.quote-grid blockquote {
  margin: 0;
  text-align: center;
  padding: 0 0.5rem;
  position: relative;
}

.quote-grid blockquote p {
  font-family: var(--serif-display);
  font-weight: 400;
  font-size: 1.4rem;
  line-height: 1.45;
  color: var(--ink);
  margin: 0 0 0.6rem;
}

.quote-grid blockquote .devanagari-inline {
  font-family: var(--serif-hindi);
  font-weight: 500;
  color: var(--accent);
  font-size: 1.5rem;
}

.quote-grid blockquote cite {
  display: block;
  margin-top: 0.8rem;
  font-family: var(--serif-body);
  font-style: italic;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--ink-muted);
  font-feature-settings: "kern", "liga";
}

/* ---------- Feature image ---------- */

.feature-img {
  max-width: var(--max-figure);
  margin: 4rem auto 3rem;
  padding: 0 1rem;
}

.feature-img img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
  box-shadow: 0 8px 30px rgba(40, 30, 15, 0.15);
}

.feature-img.portrait {
  max-width: 520px;
}

.feature-img figcaption {
  text-align: center;
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--ink-muted);
  margin-top: 1rem;
  line-height: 1.5;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Tributes ---------- */

.tribute {
  max-width: var(--max-text);
  margin: 2.5rem auto;
  padding: 0 1.5rem;
}

.tribute header {
  margin-bottom: 1rem;
  text-align: left;
}

.tribute h3 {
  font-family: var(--serif-display);
  font-weight: 500;
  font-size: 1.4rem;
  margin: 0 0 0.15rem;
  letter-spacing: -0.005em;
  color: var(--ink);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.li-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #0a66c2;
  text-decoration: none;
  vertical-align: middle;
  opacity: 0.8;
  transition: opacity 120ms ease, transform 120ms ease;
}

.li-icon:hover {
  opacity: 1;
  transform: translateY(-1px);
}

.li-icon svg {
  display: block;
}

.li-inline {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dotted var(--rule);
}
.li-inline:hover {
  border-bottom-style: solid;
}
.li-inline .li-icon {
  display: inline-flex;
  margin-left: 0.3rem;
  vertical-align: -2px;
}

.tribute .translation-block {
  border-left: 2px solid var(--rule);
  padding-left: 1.4rem;
  margin: 1.2rem 0 0 0.2rem;
}

.tribute .translation-block .translation-label {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 0.8rem;
}

.tribute .translation-block p {
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0 0 0.9em;
  font-style: normal;
}

.tribute .translation-block p:last-child {
  margin-bottom: 0;
}

.tribute .connection {
  font-family: var(--serif-body);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-muted);
  margin: 0;
  line-height: 1.4;
}

.tribute .message {
  border-left: 2px solid var(--accent);
  padding-left: 1.4rem;
  margin-left: 0.2rem;
}

.tribute .message p {
  font-size: 1.08rem;
  line-height: 1.72;
  margin: 0 0 0.9em;
  color: var(--ink);
}

.tribute .message p:last-child {
  margin-bottom: 0;
}

.tribute .message p.caption {
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-muted);
  margin-top: 1rem;
}

.tribute .message p.emphasis {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--accent);
  text-align: center;
  margin: 1.5rem 0 0.5rem;
}

.tribute-photos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.4rem;
  margin: 1.6rem 0 0 1.6rem;
}

.tribute-photos figure {
  margin: 0;
}

.tribute-photos img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
  box-shadow: 0 6px 18px rgba(40, 30, 15, 0.13);
}

.tribute-photos figcaption {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 0.92rem;
  color: var(--ink-muted);
  line-height: 1.5;
  padding: 0.7rem 0.2rem 0;
}

@media (max-width: 720px) {
  .tribute-photos {
    margin-left: 0;
  }
}

/* Featured / curator tribute */

.tribute.featured {
  text-align: center;
  border: none;
  padding: 2rem 1.5rem;
  margin-top: 1rem;
  margin-bottom: 3rem;
}

.tribute.featured .message {
  border: none;
  padding: 0;
  margin: 0;
}

.tribute.featured .message p {
  font-family: var(--serif-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.6rem;
  line-height: 1.4;
  color: var(--ink);
  margin: 0;
}

.tribute.featured .attribution {
  margin-top: 1rem;
  font-family: var(--serif-body);
  font-size: 0.95rem;
  font-style: italic;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}

/* Hindi tribute */

.tribute.hindi-tribute .message {
  border-left-color: var(--accent-soft);
}

.tribute .devanagari-block {
  font-family: var(--serif-hindi);
  font-size: 1.1rem;
  line-height: 1.85;
  color: var(--ink);
  margin: 0 0 1em;
}

/* ---------- Pull quote ---------- */

.pullquote {
  max-width: 720px;
  margin: 4rem auto;
  padding: 2.5rem 1.5rem;
  text-align: center;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.pullquote p {
  font-family: var(--serif-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.5rem;
  line-height: 1.5;
  color: var(--ink);
  margin: 0 0 0.6rem;
}

.pullquote .devanagari-inline {
  font-family: var(--serif-hindi);
  font-weight: 500;
  font-style: normal;
  color: var(--accent);
  font-size: 1.7rem;
  margin-bottom: 0.8rem;
}

.pullquote cite {
  font-family: var(--serif-body);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-muted);
  margin-top: 1rem;
  display: block;
}

/* ---------- Parallels section ---------- */

.feature.parallels {
  max-width: 740px;
  margin: 5rem auto;
  padding: 3rem 1.5rem;
  background: var(--bg-soft);
  border-radius: 2px;
  border: 1px solid var(--rule-soft);
}

.feature.parallels h2 {
  margin-top: 0;
}

.feature.parallels p {
  font-size: 1.1rem;
  line-height: 1.7;
  margin: 0 0 1em;
}

.feature.parallels blockquote.essay {
  margin: 1.5rem 0 1.5rem 0;
  padding: 1.2rem 1.6rem;
  background: var(--bg);
  border-left: 3px solid var(--accent);
  border-radius: 0 2px 2px 0;
}

.feature.parallels blockquote.essay p {
  font-family: var(--serif-body);
  font-size: 1.05rem;
  margin: 0 0 0.7em;
  line-height: 1.65;
}

.feature.parallels blockquote.essay p:last-child {
  margin-bottom: 0;
}

.feature.parallels blockquote.essay ol {
  font-size: 1.05rem;
  margin: 0.5rem 0 0;
  padding-left: 1.6rem;
  line-height: 1.65;
}

.feature.parallels blockquote.essay ol li {
  margin: 0.4rem 0;
}

.feature.parallels blockquote.equation {
  text-align: center;
  padding: 1.6rem 1.5rem;
}

.feature.parallels blockquote.equation p {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0;
}

.frac {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  font-size: 1.1rem;
  font-style: normal;
}

.frac .num {
  padding: 0 0.4rem 0.1rem;
  border-bottom: 1px solid var(--ink);
}

.frac .den {
  padding: 0.1rem 0.4rem 0;
}

/* ---------- A life of small disciplines ---------- */

.discipline {
  max-width: 720px;
  margin: 5rem auto 4rem;
  padding: 3rem 2rem 3.5rem;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  text-align: center;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.discipline h2 {
  margin-top: 0;
}

.discipline .lede {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--ink-muted);
  max-width: 480px;
  margin: 0 auto 2rem;
  line-height: 1.55;
}

.disciplines {
  list-style: none;
  padding: 0;
  max-width: 480px;
  margin: 0 auto 2rem;
  text-align: left;
}

.disciplines li {
  font-family: var(--serif-body);
  font-size: 1.08rem;
  line-height: 1.6;
  padding: 0.85rem 0 0.85rem 1.6rem;
  border-bottom: 1px dotted var(--rule);
  position: relative;
  color: var(--ink);
}

.disciplines li:last-child {
  border-bottom: none;
}

.disciplines li::before {
  content: "•";
  color: var(--accent);
  position: absolute;
  left: 0.4rem;
  top: 0.85rem;
  font-size: 1rem;
}

.discipline .closing-line {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 520px;
  margin: 1.5rem auto 0;
}

.discipline .closing-line em {
  font-style: normal;
  font-family: var(--serif-hindi);
  color: var(--accent);
}

/* ---------- Gallery ---------- */

.gallery {
  max-width: var(--max-wide);
  margin: 5rem auto 4rem;
  padding: 0 1.5rem;
}

.gallery > h2 {
  margin-bottom: 2.5rem;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.gallery > h2 {
  grid-column: 1 / -1;
  margin-top: 0;
}

.gallery figure {
  margin: 0;
  display: flex;
  flex-direction: column;
}

.gallery figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
  box-shadow: 0 6px 22px rgba(40, 30, 15, 0.12);
}

.gallery figcaption {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-muted);
  line-height: 1.5;
  padding: 0.9rem 0.4rem 0;
  text-align: center;
}

/* ---------- Videos ---------- */

.videos {
  max-width: var(--max-figure);
  margin: 4rem auto 5rem;
  padding: 0 1.5rem;
}

.videos > h2 {
  margin-top: 0;
}

.videos .section-lede {
  margin-bottom: 2.5rem;
}

.video-figure {
  margin: 0 0 3rem;
}

.video-figure video {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
  background: var(--ink);
  box-shadow: 0 8px 28px rgba(40, 30, 15, 0.15);
}

.video-figure figcaption {
  text-align: center;
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--ink-muted);
  margin-top: 1rem;
  line-height: 1.5;
}

.site-footer .email {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dotted var(--accent-soft);
  font-style: normal;
  font-family: var(--serif-body);
  white-space: nowrap;
}

.site-footer .email:hover {
  border-bottom-style: solid;
}

/* ---------- Footer ---------- */

.site-footer {
  text-align: center;
  padding: 5rem 1.5rem 5rem;
  margin-top: 3rem;
  border-top: 1px solid var(--rule);
  background: var(--bg-soft);
}

.site-footer .devanagari {
  font-family: var(--serif-hindi);
  font-weight: 500;
  font-size: 1.5rem;
  color: var(--accent);
  margin: 0 0 1.5rem;
  letter-spacing: 0.05em;
}

.site-footer .closing {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 540px;
  margin: 0 auto 0.8rem;
}

.site-footer .closing.small {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--ink-muted);
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-bottom: 1rem;
  }
  .hero-portrait {
    order: 1;
    padding: 2.5rem 1.5rem 1rem;
  }
  .hero-portrait img {
    max-height: 60vh;
  }
  .hero-text {
    order: 2;
    text-align: center;
    margin: 0 auto;
    padding: 1rem 1.5rem 3rem;
    max-width: 560px;
  }
  .hero-text .hero-ornament {
    text-align: center;
  }
}

@media (max-width: 720px) {
  html {
    font-size: 17px;
  }

  .opening p:first-of-type::first-letter {
    font-size: 3.4rem;
  }

  .feature.parallels {
    margin: 4rem 1rem;
    padding: 2.5rem 1.5rem;
  }

  .discipline {
    padding: 2.5rem 1.2rem 3rem;
    margin: 4rem 1rem;
  }

  .gallery {
    gap: 1.5rem;
  }

  .tribute.featured .message p {
    font-size: 1.3rem;
  }

  .quote-grid {
    gap: 2rem;
  }

  .linkedin-post .post-card {
    padding: 1.6rem 1.4rem 1.2rem;
  }

  .audio-toggle {
    bottom: 0.9rem;
    right: 0.9rem;
    padding: 0.5rem 0.85rem 0.5rem 0.7rem;
    font-size: 0.85rem;
  }
}

@media (min-width: 1100px) {
  .feature-img {
    margin: 5rem auto 4rem;
  }
}

/* ---------- Print ---------- */

@media print {
  .hero {
    background: none;
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-portrait img {
    max-height: 6in;
  }
  .audio-toggle, audio {
    display: none !important;
  }
  .tribute {
    page-break-inside: avoid;
  }
}