:root {
  --ink: #172326;
  --muted: #5f6d70;
  --paper: #fbfcfa;
  --white: #ffffff;
  --line: #dfe7e4;
  --brand: #0d4c52;
  --brand-2: #1f6f72;
  --brand-soft: #e8f2f1;
  --accent: #b7792f;
  --accent-soft: #f6eee2;
  --slate: #26393d;
  --shadow: 0 14px 40px rgba(27, 51, 55, 0.08);
  --radius: 18px;
  --content: 1180px;
  --reading: 800px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--brand); text-underline-offset: 3px; }
a:hover { color: var(--brand-2); }
button, input, textarea { font: inherit; }

.skip-link { position: absolute; left: -9999px; top: 0; }
.skip-link:focus { left: 12px; top: 12px; z-index: 9999; background: white; padding: 10px 14px; border-radius: 8px; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(251, 252, 250, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(223, 231, 228, 0.9);
}
.nav-inner {
  max-width: var(--content);
  margin: 0 auto;
  min-height: 72px;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  color: var(--ink);
  font-weight: 760;
  letter-spacing: -0.02em;
}
.brand small { color: var(--muted); font-weight: 500; font-size: .75rem; }
.nav-links { display: flex; list-style: none; padding: 0; margin: 0; gap: 4px; align-items: center; }
.nav-links a {
  text-decoration: none;
  color: var(--slate);
  font-weight: 600;
  font-size: .92rem;
  padding: 10px 11px;
  border-radius: 9px;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { background: var(--brand-soft); color: var(--brand); }
.nav-toggle {
  display: none;
  appearance: none;
  border: 1px solid var(--line);
  background: white;
  border-radius: 10px;
  padding: 8px 11px;
  color: var(--ink);
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 83% 14%, rgba(13,76,82,.10), transparent 34%),
    radial-gradient(circle at 10% 84%, rgba(183,121,47,.08), transparent 29%),
    var(--paper);
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -150px auto;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(13,76,82,.08);
  border-radius: 50%;
}
.hero-grid {
  max-width: var(--content);
  margin: 0 auto;
  padding: 78px 28px 76px;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(250px, .55fr);
  gap: 70px;
  align-items: center;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--brand);
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .76rem;
  margin-bottom: 16px;
}
.kicker::before { content: ""; width: 30px; height: 2px; background: var(--accent); }
.hero h1, .page-hero h1, h1, h2, h3 {
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: -0.025em;
  color: #102e32;
}
.hero h1 { font-size: clamp(3rem, 7vw, 5.55rem); line-height: .98; margin: 0 0 12px; max-width: 800px; }
.hero-role { font-size: clamp(1.2rem, 2.5vw, 1.65rem); color: var(--brand); font-weight: 650; margin: 0 0 18px; }
.hero-statement { font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.18rem, 2.15vw, 1.45rem); line-height: 1.55; max-width: 790px; color: #304549; margin: 0 0 26px; }
.hero-actions, .inline-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 16px;
  text-decoration: none;
  border-radius: 10px;
  border: 1px solid var(--brand);
  font-weight: 720;
  font-size: .92rem;
}
.btn-primary { background: var(--brand); color: white; }
.btn-primary:hover { background: #083e43; color: white; }
.btn-quiet { background: white; color: var(--brand); border-color: var(--line); }
.btn-quiet:hover { border-color: #9db6b7; background: var(--brand-soft); }
.hero-photo-wrap { position: relative; width: min(100%, 310px); justify-self: end; }
.hero-photo {
  display: block;
  aspect-ratio: 4/5;
  width: 100%;
  object-fit: cover;
  object-position: center 20%;
  border-radius: 28px 28px 90px 28px;
  box-shadow: var(--shadow);
  border: 8px solid white;
}
.hero-photo-note {
  position: absolute;
  left: -38px;
  bottom: 28px;
  background: #0f3438;
  color: #fff;
  padding: 11px 14px;
  border-radius: 11px;
  font-size: .82rem;
  line-height: 1.35;
  box-shadow: var(--shadow);
}

.container { max-width: var(--content); margin: 0 auto; padding: 0 28px; }
.section { padding: 84px 0; border-bottom: 1px solid var(--line); }
.section:last-child { border-bottom: 0; }
.section-head { display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: 48px; margin-bottom: 40px; align-items: start; }
.section-index { color: var(--accent); font-size: .90rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.section-title { font-size: clamp(2rem, 4vw, 3.1rem); line-height: 1.08; margin: 0 0 14px; }
.section-lede { margin: 0; max-width: 760px; color: var(--muted); font-size: 1.05rem; }

.research-feature {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  min-height: 460px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}
.research-feature.reverse { grid-template-columns: .9fr 1.1fr; }
.research-feature.reverse .feature-media { order: 2; }
.feature-copy { padding: clamp(30px, 5vw, 56px); display: flex; flex-direction: column; justify-content: center; }
.feature-copy h3 { font-size: clamp(1.8rem, 3.3vw, 2.7rem); line-height: 1.13; margin: 8px 0 16px; }
.feature-copy p { color: #42565a; }
.feature-media { min-height: 380px; background: #eef4f2; position: relative; overflow: hidden; }
.feature-media img { width: 100%; height: 100%; min-height: 380px; object-fit: cover; }
.feature-media.contain img { object-fit: contain; padding: 26px; background: #f3f7f6; }
.status {
  display: inline-flex;
  width: max-content;
  align-items: center;
  gap: 8px;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  background: var(--brand-soft);
  color: var(--brand);
}
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status.published { background: #e7f3ed; color: #2f6b52; }
.status.ongoing { background: #fff4df; color: #93631d; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--muted); font-size: .88rem; margin: 18px 0; }
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 22px 0 24px; }
.metric { border-top: 1px solid var(--line); padding-top: 12px; }
.metric strong { display: block; color: var(--brand); font-family: Georgia, serif; font-size: 1.55rem; line-height: 1.1; }
.metric span { display: block; color: var(--muted); font-size: .77rem; margin-top: 4px; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 25px;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.card:hover { border-color: #b7cbc8; box-shadow: 0 10px 30px rgba(25, 59, 63, .06); }
.card h3 { font-size: 1.35rem; line-height: 1.25; margin: 7px 0 10px; }
.card p { color: var(--muted); font-size: .94rem; }
.card .card-link { margin-top: auto; padding-top: 14px; font-weight: 750; text-decoration: none; }
.card-eyebrow { color: var(--accent); font-size: .73rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.tag { padding: 4px 8px; border-radius: 999px; background: #f0f4f3; color: #4e6164; font-size: .72rem; font-weight: 650; }

.publication-list { border-top: 1px solid var(--line); }
.publication { display: grid; grid-template-columns: 110px 1fr auto; gap: 24px; padding: 25px 0; border-bottom: 1px solid var(--line); align-items: start; }
.pub-year { color: var(--accent); font-family: Georgia, serif; font-size: 1.25rem; }
.pub-title { font-family: Georgia, serif; font-size: 1.2rem; line-height: 1.35; color: #18373a; margin-bottom: 5px; }
.pub-meta { color: var(--muted); font-size: .9rem; }
.pub-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.text-link { text-decoration: none; font-weight: 750; font-size: .88rem; white-space: nowrap; }

.tool-columns { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.tool-column { border-top: 3px solid var(--brand); padding-top: 18px; }
.tool-column h3 { margin: 0 0 9px; font-size: 1.15rem; }
.tool-column p { margin: 0; color: var(--muted); font-size: .92rem; }

.about-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: 60px; align-items: start; }
.about-copy { font-family: Georgia, serif; font-size: 1.16rem; line-height: 1.78; color: #34494d; }
.quote { margin: 0 0 30px; padding-left: 20px; border-left: 3px solid var(--accent); color: #213f43; font-family: Georgia, serif; font-size: 1.32rem; line-height: 1.55; }
.quote cite { display: block; font-family: Inter, sans-serif; font-size: .8rem; color: var(--muted); margin-top: 9px; font-style: normal; }
.fact-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.fact-list li { padding: 14px 0; border-bottom: 1px solid var(--line); }
.fact-list strong { display: block; color: var(--ink); font-size: .86rem; }
.fact-list span { color: var(--muted); font-size: .9rem; }

.contact-panel { background: #113b3f; color: white; border-radius: 22px; padding: clamp(34px, 6vw, 65px); display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; }
.contact-panel h2 { color: white; font-size: clamp(2rem, 4vw, 3.2rem); margin: 0 0 12px; }
.contact-panel p { color: #d7e6e5; margin: 0; }
.contact-links { display: grid; gap: 10px; }
.contact-links a { color: white; text-decoration: none; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.18); font-weight: 650; }
.contact-links a:hover { color: #f1c982; }

.footer { margin-top: 70px; border-top: 1px solid var(--line); padding: 28px 0 38px; color: var(--muted); font-size: .85rem; }
.footer-inner { max-width: var(--content); margin: 0 auto; padding: 0 28px; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

/* Inner pages */
.page-hero { border-bottom: 1px solid var(--line); background: linear-gradient(180deg, #f1f7f5, var(--paper)); }
.page-hero-inner { max-width: var(--content); margin: 0 auto; padding: 78px 28px 64px; }
.breadcrumb { font-size: .8rem; color: var(--muted); margin-bottom: 24px; }
.breadcrumb a { text-decoration: none; }
.page-hero h1 { max-width: 970px; font-size: clamp(2.6rem, 6vw, 4.8rem); line-height: 1.02; margin: 0 0 18px; }
.page-hero .lede { max-width: 890px; font-family: Georgia, serif; font-size: 1.25rem; line-height: 1.6; color: #3d5255; }
.page-meta { display: flex; gap: 10px 22px; flex-wrap: wrap; margin-top: 22px; color: var(--muted); font-size: .9rem; }
.page-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 60px; padding-top: 64px; }
.toc { position: sticky; top: 98px; align-self: start; font-size: .84rem; }
.toc-title { font-weight: 800; color: var(--ink); margin-bottom: 8px; }
.toc a { display: block; text-decoration: none; color: var(--muted); padding: 5px 0; }
.toc a:hover { color: var(--brand); }
.article { min-width: 0; }
.article-section { padding-bottom: 58px; margin-bottom: 58px; border-bottom: 1px solid var(--line); scroll-margin-top: 100px; }
.article-section:last-child { border-bottom: 0; }
.article h2 { font-size: clamp(1.9rem, 3vw, 2.55rem); line-height: 1.15; margin: 0 0 16px; }
.article h3 { font-size: 1.35rem; margin: 30px 0 10px; }
.article p, .article li { color: #3d5155; }
.article .reading { max-width: var(--reading); }
.callout { background: var(--brand-soft); border-left: 4px solid var(--brand); padding: 19px 21px; border-radius: 0 12px 12px 0; margin: 22px 0; color: #29494d; }
.callout strong { color: var(--brand); }
.callout.accent { background: var(--accent-soft); border-left-color: var(--accent); }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 25px 0; }
.metric-box { background: white; border: 1px solid var(--line); padding: 20px; border-radius: 12px; }
.metric-box strong { display: block; font-family: Georgia, serif; color: var(--brand); font-size: 1.75rem; line-height: 1.1; }
.metric-box span { display: block; color: var(--muted); font-size: .78rem; margin-top: 6px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.figure { margin: 26px 0; background: white; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.figure img { display: block; width: 100%; max-height: 650px; object-fit: contain; background: #fff; cursor: zoom-in; }
.figure figcaption { padding: 12px 15px; border-top: 1px solid var(--line); color: var(--muted); font-size: .82rem; }
.figure-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.figure-grid .figure { margin: 0; }
.gallery-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 9px; }
.gallery-5 .figure img { aspect-ratio: 4/5; object-fit: contain; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: white; margin: 24px 0; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #f0f5f3; color: #2f4a4e; font-weight: 800; }
tr:last-child td { border-bottom: 0; }
.phase-list { display: grid; gap: 14px; margin: 28px 0; }
.phase { display: grid; grid-template-columns: 88px 1fr; gap: 18px; align-items: start; padding: 20px; border: 1px solid var(--line); border-radius: 13px; background: white; }
.phase-code { color: var(--accent); font-weight: 850; letter-spacing: .08em; font-size: .78rem; }
.phase h3 { margin: 0 0 5px; font-size: 1.15rem; }
.phase p { margin: 0; font-size: .92rem; }
.progress-line { height: 6px; background: #e4ecea; border-radius: 999px; overflow: hidden; margin-top: 10px; }
.progress-line > span { display: block; height: 100%; background: var(--brand); border-radius: inherit; }
.schema-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 22px 0; }
.schema-card { background: white; border: 1px solid var(--line); border-radius: 11px; padding: 15px; }
.schema-card strong { display: block; color: var(--brand); margin-bottom: 4px; }
.schema-card span { color: var(--muted); font-size: .78rem; }
.layer-stack { display: grid; border: 1px solid #bdcfcc; border-radius: 12px; overflow: hidden; margin: 25px 0; }
.layer { display: grid; grid-template-columns: 1.2fr .8fr .8fr .8fr; gap: 10px; align-items: center; padding: 14px 16px; border-bottom: 1px solid rgba(255,255,255,.6); }
.layer:last-child { border-bottom: 0; }
.layer:nth-child(1), .layer:nth-child(5) { background: #d7d2c7; }
.layer:nth-child(2), .layer:nth-child(4) { background: #e8d7ae; }
.layer:nth-child(3) { background: #c9d7cf; }
.layer strong { color: #27383b; }
.layer span { font-size: .82rem; color: #3e4e50; }
.bars { display: grid; gap: 14px; margin: 24px 0; }
.bar-row { display: grid; grid-template-columns: 100px 1fr 60px; gap: 12px; align-items: center; }
.bar-track { height: 12px; background: #e8eeec; border-radius: 999px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--brand-2); border-radius: inherit; }
.bar-fill.clay { background: #8c816d; }
.code-schematic { background: #102e32; color: #dcf0ef; padding: 24px; border-radius: 14px; overflow-x: auto; font: 0.88rem/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.note { font-size: .82rem; color: var(--muted); }

.lightbox { position: fixed; inset: 0; z-index: 2000; background: rgba(5,18,20,.9); display: none; align-items: center; justify-content: center; padding: 30px; }
.lightbox.open { display: flex; }
.lightbox img { max-height: 90vh; max-width: 94vw; background: white; border-radius: 8px; }
.lightbox button { position: absolute; right: 20px; top: 20px; border: 1px solid rgba(255,255,255,.4); background: rgba(0,0,0,.2); color: white; border-radius: 999px; width: 42px; height: 42px; cursor: pointer; }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr 260px; gap: 36px; }
  .section-head { grid-template-columns: 180px 1fr; gap: 28px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .tool-columns { grid-template-columns: repeat(2, 1fr); }
  .page-layout { grid-template-columns: 1fr; }
  .toc { position: static; display: flex; flex-wrap: wrap; gap: 5px 15px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
  .toc-title { width: 100%; }
  .toc a { display: inline; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-5 { grid-template-columns: repeat(3, 1fr); }
  .schema-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .nav-inner { min-height: 62px; padding: 0 18px; }
  .brand small { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-links { position: absolute; top: 62px; left: 0; right: 0; background: var(--paper); border-bottom: 1px solid var(--line); display: none; padding: 12px 18px 18px; flex-direction: column; align-items: stretch; }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; }
  .hero-grid { grid-template-columns: 1fr; padding: 56px 20px 54px; }
  .hero-photo-wrap { justify-self: start; width: 210px; order: -1; }
  .hero-photo-note { display: none; }
  .hero h1 { font-size: clamp(2.8rem, 14vw, 4.2rem); }
  .container { padding: 0 20px; }
  .section { padding: 62px 0; }
  .section-head { grid-template-columns: 1fr; gap: 8px; }
  .research-feature, .research-feature.reverse { grid-template-columns: 1fr; }
  .research-feature.reverse .feature-media { order: 0; }
  .feature-media { min-height: 270px; }
  .feature-media img { min-height: 270px; }
  .metric-row { grid-template-columns: repeat(2,1fr); }
  .card-grid, .two-col, .three-col, .about-layout, .contact-panel { grid-template-columns: 1fr; }
  .publication { grid-template-columns: 70px 1fr; gap: 12px; }
  .pub-actions { grid-column: 2; justify-content: flex-start; }
  .tool-columns { grid-template-columns: 1fr; }
  .page-hero-inner { padding: 55px 20px 48px; }
  .page-layout { padding-top: 45px; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .figure-grid, .gallery-5 { grid-template-columns: 1fr 1fr; }
  .layer { grid-template-columns: 1fr 1fr; }
  .schema-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .hero-actions .btn, .inline-actions .btn { width: 100%; }
  .metric-grid, .metric-row, .schema-grid, .figure-grid, .gallery-5 { grid-template-columns: 1fr; }
  .publication { grid-template-columns: 1fr; }
  .pub-actions { grid-column: 1; }
  .phase { grid-template-columns: 1fr; }
  .bar-row { grid-template-columns: 70px 1fr 50px; font-size: .8rem; }
}

/* Discrete project-status indicators: intentionally avoid unsupported percentage-completion claims. */
.status-track { display: grid; gap: 8px; margin-top: 18px; }
.track-step { position: relative; display: block; padding: 9px 12px 9px 33px; border: 1px solid var(--line); border-radius: 9px; background: #fff; color: var(--muted); font-size: .8rem; font-weight: 700; }
.track-step::before { content: ""; position: absolute; left: 13px; top: 50%; width: 9px; height: 9px; margin-top: -4.5px; border-radius: 50%; background: #c8d1cf; }
.track-step.done { color: #2f6b52; background: #f3faf6; }
.track-step.done::before { background: #2f6b52; }
.track-step.active { color: #93631d; background: #fff8e9; }
.track-step.active::before { background: #b7792f; box-shadow: 0 0 0 4px rgba(183,121,47,.13); }
.phase-status { display: inline-flex; margin: 2px 0 8px; padding: 3px 8px; border-radius: 999px; font-size: .69rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.phase-status.done { background: #e7f3ed; color: #2f6b52; }
.phase-status.active { background: #fff4df; color: #93631d; }
.phase-status.planned { background: #edf1f1; color: #5b696b; }


/* Revision 2: quote-led hero, manuscript status, and technical equation/graph layouts */
.hero-quote {
  margin: 18px 0 20px;
  max-width: 820px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.45rem, 2.6vw, 2.15rem);
  line-height: 1.45;
  font-style: italic;
  color: #264347;
}
.hero-quote cite {
  display: block;
  margin-top: 9px;
  font-family: Inter, ui-sans-serif, sans-serif;
  font-size: .78rem;
  font-style: normal;
  color: var(--muted);
  letter-spacing: .02em;
}
.hero-intro {
  max-width: 800px;
  margin: 0 0 28px;
  color: #43575a;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.05rem, 1.8vw, 1.22rem);
  line-height: 1.7;
}
.section-index-block { margin-bottom: 26px; }
.status.manuscript { background: #efe9f5; color: #6f527e; }
.title-status,
.page-title-status {
  display: block;
  margin-top: 8px;
  font-family: Inter, ui-sans-serif, sans-serif;
  font-size: .72rem;
  line-height: 1.35;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #6f527e;
}
.page-title-status { font-size: .78rem; letter-spacing: .06em; }
.about-no-heading { padding-top: 4px; }
.coauthor-line { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); }
.wide-table table { min-width: 980px; }
.equation-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 24px 0; }
.equation-card { background: white; border: 1px solid var(--line); border-radius: 13px; padding: 20px; }
.equation-label { display: block; color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 9px; }
.equation { font-family: Georgia, "Times New Roman", serif; color: var(--brand); font-size: clamp(1.25rem, 2.2vw, 1.65rem); line-height: 1.35; margin-bottom: 8px; }
.equation-card p { margin: 0; color: var(--muted); font-size: .85rem; }
.graph-gallery { grid-template-columns: repeat(2, 1fr); }
.graph-gallery .figure img { max-height: none; }
@media (max-width: 760px) {
  .hero-quote { font-size: 1.45rem; }
  .equation-grid, .graph-gallery { grid-template-columns: 1fr; }
  .section-index-block { margin-bottom: 20px; }
}

/* Final-review refinements */
.section-index-block { margin-bottom: 34px; }
.table-snapshot { margin: 28px 0 34px; border: 1px solid var(--line); border-radius: 14px; background: #fff; overflow: hidden; box-shadow: 0 8px 28px rgba(25, 59, 63, .035); }
.table-snapshot-head { padding: 17px 20px 12px; border-bottom: 1px solid var(--line); background: #f6f9f8; }
.table-snapshot-head strong { display:block; color: var(--brand); font-family: Georgia, "Times New Roman", serif; font-size: 1.1rem; }
.table-snapshot-head span { display:block; color: var(--muted); margin-top:4px; font-size:.82rem; }
.table-snapshot-scroll { overflow-x: auto; }
.table-snapshot table { min-width: 980px; font-size: .78rem; }
.table-snapshot th, .table-snapshot td { padding: 9px 10px; white-space: nowrap; }
.table-snapshot th { font-size: .75rem; }
.table-snapshot tr.highlight-row td { background: #eef6f3; font-weight: 700; color: #23474a; }
.table-note { padding: 11px 20px 15px; margin: 0; color: var(--muted); font-size: .76rem; border-top: 1px solid var(--line); }
@media (max-width: 760px) {
  .section-index { font-size: .84rem; }
  .section-index-block { margin-bottom: 24px; }
}