:root {
  --cream: #f8f3e9;
  --paper: #fffdf8;
  --navy: #17324d;
  --navy-2: #254c65;
  --teal: #315f68;
  --terracotta: #b45535;
  --terracotta-dark: #8d3d27;
  --sand: #e7dbc8;
  --ink: #24323a;
  --muted: #65737b;
  --line: rgba(60, 79, 86, .18);
  --max: 1180px;
  --reading: 790px;
  --radius: 16px;
  --shadow: 0 18px 55px rgba(23, 50, 77, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: "Inter", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

body > .main-container,
.main-container {
  width: min(calc(100% - 48px), var(--max));
  max-width: var(--max);
  margin: 0 auto;
  padding: 58px 0 96px;
}

h1, h2, h3 {
  color: var(--navy);
  font-family: "Source Serif 4", Georgia, serif;
  line-height: 1.12;
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(3rem, 5vw, 4.8rem);
  font-weight: 600;
  letter-spacing: -.045em;
}

h2 {
  margin: 0 0 18px;
  font-size: clamp(1.85rem, 3vw, 2.45rem);
  font-weight: 600;
  letter-spacing: -.02em;
}

h3 {
  margin: 0 0 9px;
  font-size: 1.22rem;
  font-weight: 600;
}

p { margin-top: 0; }

a {
  color: var(--terracotta-dark);
  text-decoration-color: rgba(180, 85, 53, .38);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color .2s ease, text-decoration-color .2s ease;
}

a:hover {
  color: var(--terracotta);
  text-decoration-color: var(--terracotta);
}

strong { font-weight: 700; }
::selection { background: #e8d6c7; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  background: rgba(248, 243, 233, .92);
  backdrop-filter: blur(14px);
}

.nav-shell {
  width: min(calc(100% - 48px), var(--max));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--navy);
  text-decoration: none;
  white-space: nowrap;
}

.brand-logo {
  width: 40px;
  height: 40px;
  display: block;
}

.brand-name {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.12rem;
  font-weight: 600;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 26px;
  flex-wrap: wrap;
}

.site-nav a {
  position: relative;
  padding: 27px 0 24px;
  color: var(--navy);
  font-size: .88rem;
  font-weight: 600;
  text-decoration: none;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 18px;
  height: 2px;
  background: var(--terracotta);
  transition: right .24s ease;
}

.site-nav a:hover::after,
.site-nav a.is-active::after { right: 0; }

/* Common */
.eyebrow, .section-kicker, .package-kicker, .rail-title {
  margin-bottom: 10px;
  color: var(--teal);
  font-weight: 700;
  letter-spacing: .16em;
  font-family: "Caveat", cursive;
  font-size: 1.00rem;
  text-shadow: 0 2px 12px rgba(0,0,0,.18);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 17px;
  border: 1px solid rgba(23, 50, 77, .25);
  border-radius: 9px;
  background: rgba(255,255,255,.34);
  color: var(--navy);
  font-size: .88rem;
  font-weight: 650;
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.button:hover {
  transform: translateY(-2px);
  border-color: var(--terracotta);
  background: var(--paper);
  color: var(--terracotta-dark);
  box-shadow: 0 8px 20px rgba(23, 50, 77, .08);
  text-decoration: none;
}

.button-primary {
  border-color: var(--terracotta);
  background: var(--terracotta);
  color: white;
}

.button-primary:hover {
  background: var(--terracotta-dark);
  color: white;
}

.page-deck {
  max-width: 790px;
  margin-bottom: 0;
  color: var(--terracotta-dark);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(1.12rem, 2vw, 1.42rem);
  line-height: 1.5;
}

.page-intro {
  max-width: 900px;
  margin-bottom: 62px;
}

.page-intro > p:last-child:not(.page-deck) {
  max-width: 810px;
  color: var(--muted);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.13rem;
}

.wide-page { max-width: 1060px; margin: 0 auto; }

/* Home */
.home-page { padding-top: 4px; }

.home-hero {
  min-height: 610px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(330px, .75fr);
  gap: 72px;
  align-items: center;
  padding: 28px 0 58px;
}

.hero-copy { max-width: 720px; }
.hero-copy h1 { max-width: 700px; }
.position {
  margin-bottom: 27px;
  color: var(--terracotta-dark);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.18rem;
  font-weight: 600;
  line-height: 1.45;
}
.position span {
  color: var(--navy-2);
  font-family: "Inter", sans-serif;
  font-size: .84rem;
  font-weight: 650;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero-summary {
  max-width: 700px;
  margin-bottom: 28px;
  color: #475860;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.25rem;
  line-height: 1.62;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 21px;
}

.hero-contact {
  color: var(--muted);
  font-size: .84rem;
}
.hero-contact a {
  color: var(--muted);
  font-weight: 600;
  text-decoration: none;
}
.hero-contact a:hover { color: var(--terracotta); }

.hero-portrait {
  position: relative;
  max-width: 420px;
  justify-self: end;
  padding-right: 30px;
}

.portrait-frame {
  position: relative;
  overflow: hidden;
  border-radius: 20px 20px 20px 6px;
  %box-shadow: var(--shadow);
}
.portrait-frame::before {
  content: "";
  position: absolute;
  inset: 14px -14px -14px 14px;
  z-index: -1;
  border-radius: 20px;
  background: #d9e2df;
}

.hero-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  display: block;
  transition: transform .7s cubic-bezier(.2,.7,.2,1);
}
.hero-portrait:hover .hero-photo { transform: scale(1.018); }

.portrait-note {
  position: absolute;
  right: -12px;
  bottom: 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 13px 16px;
  border-left: 3px solid var(--terracotta);
  background: rgba(248,243,233,.90);
  box-shadow: 0 10px 28px rgba(23,50,77,.10);
  backdrop-filter: blur(8px);
}
.portrait-note-line {
  color: var(--navy);
  font-family: "Caveat", cursive;
  font-size: 1.15rem;
  line-height: 1.05;
}
.portrait-location {
  margin-top: 7px;
  color: var(--teal);
  font-size: .64rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.home-landscape,
.software-landscape,
.interior-banner {
  position: relative;
  left: 50%;
  width: 100vw;
  margin-left: -50vw;
  overflow: hidden;
  background-image:
    linear-gradient(90deg, rgba(23,50,77,.45), rgba(23,50,77,.06) 55%, rgba(180,85,53,.12)),
    url("assets/ocean-banner.jpg");
  background-size: cover;
  background-position: center 54%;
}

.home-landscape {
  min-height: 270px;
  margin-top: 10px;
  border-top: 1px solid rgba(23,50,77,.10);
}

.home-landscape::after,
.interior-banner::after,
.software-landscape::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(23,50,77,.18));
  pointer-events: none;
}

.home-landscape-copy {
  position: absolute;
  right: max(4vw, calc((100vw - var(--max))/2));
  bottom: 26px;
  z-index: 2;
  display: flex;
  gap: 18px;
  color: white;
  font-size: .68rem;
  font-weight: 650;
  letter-spacing: .15em;
  text-transform: uppercase;
}

/* Interior banners */
.interior-banner {
  min-height: 178px;
  margin-top: -58px;
  margin-bottom: 62px;
  background-position: center 56%;
}
.banner-copy {
  position: absolute;
  left: max(4vw, calc((100vw - var(--max))/2));
  bottom: 28px;
  z-index: 2;
  color: white;
  font-family: "Caveat", cursive;
  font-size: 1.55rem;
  text-shadow: 0 2px 12px rgba(0,0,0,.18);
}

/* Research editorial layout */
.editorial-grid {
  display: grid;
  grid-template-columns: 205px minmax(0, 1fr);
  gap: 58px;
  align-items: start;
}

.page-rail {
  position: sticky;
  top: 110px;
  padding: 8px 18px 20px 0;
  border-right: 1px solid var(--line);
}

.page-rail > p:first-child { margin-bottom: 18px; }

.page-rail > p:not(.rail-note) { color: var(--muted); }

.page-rail > p a,
.page-rail > a {
  display: block;
  margin: 0 0 18px;
  color: var(--navy);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: .98rem;
  line-height: 1.35;
  text-decoration: none;
}

.page-rail a span {
  display: inline-block;
  width: 27px;
  color: var(--terracotta);
  font-family: "Inter", sans-serif;
  font-size: .72rem;
  font-weight: 700;
}

.page-rail a:hover { color: var(--terracotta-dark); }

.rail-rule {
  width: 34px;
  height: 2px;
  margin: 30px 0 18px;
  background: var(--terracotta);
}
.rail-note {
  color: var(--muted);
  font-family: "Caveat", cursive;
  font-size: 1.25rem;
  line-height: 1.25;
}

.page-main { min-width: 0; }

.research-section {
  position: relative;
  padding: 45px 0;
  border-top: 1px solid var(--line);
}
.research-number {
  position: absolute;
  top: 49px;
  left: 0;
  color: var(--terracotta);
  font-size: .75rem;
  font-weight: 750;
}
.research-section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  gap: 36px;
  padding-left: 55px;
}
.research-copy p { color: #4d5b61; }
.research-copy p,
.research-copy li { max-width: var(--reading); }

.research-visual {
  margin-top: 6px;
  align-self: start;
}
.research-visual img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
  border-radius: 12px 12px 12px 3px;
  box-shadow: 0 12px 28px rgba(23,50,77,.10);
  filter: saturate(.88);
}
.research-visual span {
  display: block;
  margin-top: 10px;
  color: var(--teal);
  font-size: .64rem;
  font-weight: 700;
  letter-spacing: .12em;
  line-height: 1.5;
  text-transform: uppercase;
}

/* Publications */
.publication-page { margin-bottom: 58px; }
.publication-list { max-width: 1010px; }

.publication-item {
  position: relative;
  padding: 25px 24px 25px 100px;
  border-top: 1px solid var(--line);
  transition: background .2s ease, transform .2s ease;
}
.publication-item:last-child { border-bottom: 1px solid var(--line); }
.publication-item:hover { background: rgba(255,255,255,.30); }

.pub-year {
  position: absolute;
  top: 29px;
  left: 0;
  width: 74px;
  color: var(--terracotta);
  font-size: .82rem;
  font-weight: 750;
}

.publication-item h3 {
  margin-bottom: 8px;
  font-size: 1.17rem;
}
.publication-item p {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: .91rem;
}

.featured-publication {
  margin: 8px 0;
  border: 1px solid rgba(180,85,53,.18);
  border-radius: 12px;
  background: rgba(255,250,242,.70);
}
.featured-publication + .publication-item { border-top-color: transparent; }

.thesis-card {
  max-width: 940px;
  padding: 26px 28px;
  border-left: 3px solid var(--teal);
  border-radius: 0 12px 12px 0;
  background: rgba(255,255,255,.38);
}
.thesis-card .pub-year {
  position: static;
  display: block;
  margin-bottom: 10px;
}
.thesis-card p { color: var(--muted); }

/* Software */
.software-intro {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  column-gap: 45px;
  align-items: end;
}
.software-intro .section-kicker,
.software-intro h1 { grid-column: 1; }
.software-intro .page-deck {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
}

.package-card {
  display: grid;
  grid-template-columns: 285px minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  padding: 44px 0;
  border-top: 1px solid var(--line);
}
.package-card:last-of-type { border-bottom: 1px solid var(--line); }

.package-brand {
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.package-logo {
  width: 190px;
  max-height: 190px;
  object-fit: contain;
  display: block;
  transition: transform .25s ease;
}
.package-logo-wide { width: 265px; max-height: 180px; }
.package-card:hover .package-logo { transform: translateY(-3px); }

.package-content h2 { margin-bottom: 16px; }
.package-content p {
  max-width: 720px;
  color: #4d5b61;
}
.package-content .button { margin: 12px 6px 0 0; }

.software-landscape {
  min-height: 190px;
  margin-top: 64px;
  margin-bottom: -96px;
  background-position: center 57%;
}
.software-landscape > div {
  position: absolute;
  right: max(4vw, calc((100vw - var(--max))/2));
  bottom: 24px;
  z-index: 2;
  color: white;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

/* Talks */
.talk-list { max-width: 980px; }
.talk-item {
  position: relative;
  padding: 27px 0 27px 180px;
  border-top: 1px solid var(--line);
}
.talk-item:last-child { border-bottom: 1px solid var(--line); }
.talk-date {
  position: absolute;
  top: 30px;
  left: 0;
  width: 145px;
  color: var(--terracotta);
  font-size: .79rem;
  font-weight: 750;
}
.talk-item p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: .91rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: #efe7da;
}
.footer-shell {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  padding: 32px 0;
  display: flex;
  justify-content: space-between;
  gap: 30px;
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.6;
}
.footer-shell strong {
  display: block;
  color: var(--navy);
  font-family: "Source Serif 4", Georgia, serif;
}
.footer-shell span { display: block; }
.footer-links {
  display: flex;
  gap: 15px;
  align-items: flex-start;
}
.footer-links a {
  color: var(--muted);
  font-weight: 650;
  text-decoration: none;
}
.footer-links a:hover { color: var(--terracotta); }

/* Animation */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.research-section,
.publication-item,
.package-card,
.talk-item {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .55s ease, transform .55s ease, background .2s ease;
}
.research-section.is-visible,
.publication-item.is-visible,
.package-card.is-visible,
.talk-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
  }
  .reveal,
  .research-section,
  .publication-item,
  .package-card,
  .talk-item {
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (max-width: 980px) {
  .site-nav { gap: 17px; }
  .home-hero {
    grid-template-columns: 1fr 330px;
    gap: 42px;
  }
  .editorial-grid {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 38px;
  }
  .research-section-grid {
    grid-template-columns: 1fr;
  }
  .research-visual {
    max-width: 320px;
  }
  .package-card {
    grid-template-columns: 230px minmax(0,1fr);
    gap: 34px;
  }
}

@media (max-width: 760px) {
  body > .main-container,
  .main-container,
  .nav-shell,
  .footer-shell {
    width: min(calc(100% - 30px), var(--max));
  }

  .nav-shell { min-height: 68px; gap: 15px; }
  .brand-name { display: none; }
  .brand-logo { width: 36px; height: 36px; }
  .site-nav {
    flex-wrap: nowrap;
    gap: 15px;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .site-nav::-webkit-scrollbar { display: none; }
  .site-nav a { padding: 23px 0 21px; font-size: .79rem; }
  .site-nav a::after { bottom: 16px; }

  body > .main-container,
  .main-container { padding-top: 42px; }

  .home-hero {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 34px;
    padding-top: 6px;
  }
  .hero-copy { order: 1; }
  .hero-portrait {
    order: 2;
    width: min(100%, 390px);
    justify-self: start;
    padding-right: 20px;
  }
  .hero-copy h1 { font-size: clamp(2.7rem, 12vw, 4rem); }
  .hero-summary { font-size: 1.12rem; }
  .home-landscape { min-height: 210px; }
  .home-landscape-copy {
    left: 22px;
    right: auto;
    gap: 9px;
    flex-direction: column;
  }

  .interior-banner {
    min-height: 135px;
    margin-top: -42px;
    margin-bottom: 45px;
  }

  .editorial-grid { grid-template-columns: 1fr; }
  .page-rail {
    position: static;
    display: flex;
    gap: 13px;
    overflow-x: auto;
    padding: 0 0 18px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .page-rail .rail-title,
  .page-rail .rail-rule,
  .page-rail .rail-note { display: none; }
  .page-rail > p a,
  .page-rail > a {
    min-width: 185px;
    margin: 0;
    padding: 9px 11px;
    border-radius: 8px;
    background: rgba(255,255,255,.34);
    font-size: .86rem;
  }

  .page-intro { margin-bottom: 42px; }
  .research-section { padding: 38px 0; }
  .research-section-grid { padding-left: 0; }
  .research-number {
    position: static;
    display: block;
    margin-bottom: 9px;
  }

  .publication-item {
    padding: 52px 0 25px;
  }
  .pub-year {
    top: 22px;
    width: auto;
  }
  .featured-publication { padding-left: 18px; padding-right: 18px; }

  .software-intro {
    display: block;
  }
  .software-intro .page-deck { margin-top: 14px; }
  .package-card {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .package-brand { min-height: 150px; justify-content: flex-start; }
  .package-logo { width: 145px; max-height: 145px; }
  .package-logo-wide { width: 225px; }

  .talk-item { padding: 55px 0 25px; }
  .talk-date { top: 24px; width: auto; }

  .footer-shell { flex-direction: column; }
}

@media (max-width: 500px) {
  .site-nav a:nth-last-child(-n+2) { display: none; }
  .hero-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-actions .button:first-child { grid-column: 1 / -1; }
  .portrait-note { right: -4px; }
}