:root {
  --ink: #eef3ff;
  --paper: #080d24;
  --paper-bright: #101735;
  --night: #05091b;
  --blue: #4167f4;
  --blue-dark: #294bd0;
  --purple: #9768ff;
  --teal: #31d6c4;
  --line: rgba(190, 205, 255, 0.17);
  --muted: #aab6cf;
}

* { 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", sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.site-header {
  align-items: center;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  height: 86px;
  margin: 0 auto;
  max-width: 1440px;
  padding: 0 54px;
  position: relative;
  z-index: 10;
}

.wordmark { align-items: center; display: flex; gap: 13px; width: fit-content; }
.wordmark span {
  align-items: center;
  background: var(--blue);
  border-radius: 50%;
  color: white;
  display: flex;
  font-family: Georgia, serif;
  font-size: 13px;
  height: 38px;
  justify-content: center;
  letter-spacing: -0.04em;
  width: 38px;
}
.wordmark strong { font-size: 14px; letter-spacing: 0.01em; }

nav { display: flex; gap: 34px; }
nav a { color: #bdc7dd; font-size: 13px; font-weight: 600; }
nav a:hover, .text-link:hover { color: var(--blue); }

.nav-cta {
  align-items: center;
  border: 1px solid var(--ink);
  border-radius: 99px;
  display: flex;
  font-size: 12px;
  font-weight: 700;
  gap: 12px;
  justify-self: end;
  padding: 11px 17px;
  transition: 180ms ease;
}
.nav-cta:hover { background: var(--ink); color: var(--paper); }

.hero {
  align-items: center;
  display: grid;
  gap: 50px;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
  margin: 0 auto;
  max-width: 1440px;
  min-height: calc(100vh - 86px);
  overflow: hidden;
  padding: 62px 54px 92px;
}

.hero-copy { max-width: 790px; position: relative; z-index: 2; }
.eyebrow {
  align-items: center;
  color: var(--teal);
  display: flex;
  font-size: 11px;
  font-weight: 800;
  gap: 10px;
  letter-spacing: 0.15em;
  margin: 0 0 22px;
  text-transform: uppercase;
}
.eyebrow span { background: var(--teal); border-radius: 50%; height: 7px; width: 7px; }

h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(64px, 7vw, 110px);
  font-weight: 400;
  letter-spacing: -0.068em;
  line-height: 0.89;
  margin: 0;
  max-width: 840px;
}
h1 em { color: var(--blue); display: block; font-weight: 400; }

.hero-intro {
  color: var(--muted);
  font-size: 19px;
  line-height: 1.65;
  margin: 34px 0 0;
  max-width: 620px;
}

.hero-actions { align-items: center; display: flex; gap: 30px; margin-top: 34px; }
.button {
  align-items: center;
  border-radius: 99px;
  display: inline-flex;
  font-size: 13px;
  font-weight: 750;
  gap: 20px;
  padding: 16px 22px;
}
.button-primary { background: var(--blue); color: white; transition: 180ms ease; }
.button-primary:hover { background: var(--blue-dark); transform: translateY(-2px); }
.text-link { font-size: 13px; font-weight: 750; }
.text-link span { margin-left: 6px; }

.portrait-wrap { min-height: 640px; position: relative; }
.portrait-card {
  background: #222d52;
  border-radius: 250px 250px 18px 18px;
  box-shadow: 0 36px 90px rgba(0, 0, 0, 0.42);
  inset: 16px 30px 0 70px;
  overflow: hidden;
  position: absolute;
  transform: rotate(1.5deg);
  z-index: 2;
}
.portrait-card img { height: 100%; object-fit: cover; object-position: center 28%; width: 100%; }
.portrait-card::after {
  background: linear-gradient(transparent 65%, rgba(11, 24, 40, 0.4));
  content: "";
  inset: 0;
  position: absolute;
}
.portrait-label {
  bottom: 26px;
  color: white;
  display: flex;
  flex-direction: column;
  left: 30px;
  position: absolute;
  z-index: 2;
}
.portrait-label span { font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; }
.portrait-label strong { font-family: Georgia, serif; font-size: 22px; margin-top: 4px; }

.orbit { border: 1px solid rgba(49, 85, 215, 0.32); border-radius: 50%; position: absolute; }
.orbit-one { height: 610px; right: -180px; top: -20px; width: 610px; }
.orbit-two { border-color: rgba(124, 78, 228, 0.36); height: 470px; left: -5px; top: 170px; width: 650px; }
.planet-dot {
  background: var(--purple);
  border: 7px solid var(--paper);
  border-radius: 50%;
  height: 36px;
  position: absolute;
  right: 10px;
  top: 220px;
  width: 36px;
  z-index: 3;
}

.signal-bar {
  align-items: stretch;
  background: var(--night);
  color: white;
  display: grid;
  grid-template-columns: 0.7fr 0.7fr 1.4fr;
  margin: 0 auto;
  max-width: 1440px;
  padding: 0 54px;
}
.signal-bar div { align-items: baseline; border-right: 1px solid rgba(255,255,255,.18); display: flex; gap: 14px; padding: 26px 30px; }
.signal-bar div:first-child { padding-left: 0; }
.signal-bar div:last-child { border: 0; }
.signal-bar strong { font-family: Georgia, serif; font-size: 30px; font-weight: 400; }
.signal-bar span { color: #b9c2cf; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }

.section { margin: 0 auto; max-width: 1440px; padding: 120px 54px; }
.research-section { background: var(--paper-bright); }
.section-heading { align-items: start; display: grid; gap: 50px; grid-template-columns: 0.7fr 1.5fr 1fr; }
.section-heading h2 {
  font-family: Georgia, serif;
  font-size: clamp(42px, 4.2vw, 66px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1;
  margin: 0;
}
.section-heading > p:last-child { color: var(--muted); font-size: 15px; line-height: 1.7; margin: 4px 0 0; }

.research-grid { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); margin-top: 70px; }
.research-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 3px;
  display: flex;
  flex-direction: column;
  min-height: 390px;
  padding: 28px;
  transition: 220ms ease;
}
.research-card:hover { border-color: var(--blue); transform: translateY(-5px); }
.card-number { color: var(--purple); font-family: Georgia, serif; font-size: 14px; }
.research-card h3 { font-family: Georgia, serif; font-size: 30px; font-weight: 400; letter-spacing: -.035em; line-height: 1.05; margin: 70px 0 18px; }
.research-card > p { color: var(--muted); font-size: 14px; line-height: 1.65; margin: 0; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 28px; }
.tag-list span { border: 1px solid var(--line); border-radius: 99px; color: #c5cfee; font-size: 9px; font-weight: 700; letter-spacing: .06em; padding: 7px 10px; text-transform: uppercase; }
.publications-section { background: var(--paper); }
.publications-heading {
  align-items: end;
  display: flex;
  justify-content: space-between;
  gap: 50px;
  margin-bottom: 62px;
}
.publications-heading h2,
.experience-intro h2 {
  font-family: Georgia, serif;
  font-size: clamp(42px, 4.2vw, 66px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1;
  margin: 0;
  max-width: 750px;
}
.button-outline { border: 1px solid var(--ink); flex-shrink: 0; }
.button-outline:hover { background: var(--ink); color: var(--paper); }
.publication-list { border-top: 1px solid var(--line); }
.publication-row {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 28px;
  grid-template-columns: 90px 1fr 40px;
  padding: 28px 8px;
  transition: 180ms ease;
}
.publication-row:hover { background: #151e43; padding-left: 18px; padding-right: 18px; }
.publication-year { color: var(--blue); font-family: Georgia, serif; font-size: 18px; }
.publication-main > span { color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.publication-main h3 { font-family: Georgia, serif; font-size: 25px; font-weight: 400; letter-spacing: -.025em; margin: 7px 0 8px; }
.publication-main p { color: var(--muted); font-size: 12px; margin: 0; }
.publication-arrow { color: var(--blue); font-size: 22px; }

.impact-section {
  background: linear-gradient(135deg, var(--blue) 0%, #4149c8 54%, var(--purple) 100%);
  color: white;
  display: grid;
  gap: 72px;
  grid-template-columns: .9fr 1.1fr;
  margin: 0 auto;
  max-width: 1440px;
  min-height: 670px;
  overflow: hidden;
  padding: 100px 54px;
  position: relative;
}
.impact-section::before {
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
  content: "";
  height: 620px;
  left: -280px;
  position: absolute;
  top: -250px;
  width: 620px;
}
.eyebrow-light { color: #dffbfa; }
.eyebrow-light span { background: #5ee0d6; }
.impact-copy { align-self: center; max-width: 760px; position: relative; z-index: 2; }
.impact-copy h2 {
  font-family: Georgia, serif;
  font-size: clamp(46px, 5.4vw, 78px);
  letter-spacing: -.05em;
  line-height: .98;
  margin: 30px 0;
}
.impact-copy > p { color: #dce4ff; font-size: 16px; line-height: 1.7; max-width: 620px; }
.media-note {
  align-items: center;
  border-top: 1px solid rgba(255,255,255,.3);
  display: flex;
  gap: 30px;
  margin-top: 45px;
  padding-top: 22px;
}
.media-note span { color: #b9c7ff; font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.media-note strong { font-size: 12px; }
.outreach-photo { align-self: center; margin: 0; position: relative; transform: rotate(1.5deg); z-index: 2; }
.outreach-photo img {
  background: #132549;
  box-shadow: 0 25px 70px rgba(5, 12, 32, .3);
  display: block;
  height: 500px;
  object-fit: cover;
  object-position: left center;
  width: 100%;
}
.outreach-photo figcaption { color: #c9d3f5; font-size: 9px; letter-spacing: .1em; margin-top: 12px; text-transform: uppercase; }

.experience-section { background: var(--paper-bright); display: grid; gap: 100px; grid-template-columns: .82fr 1.18fr; }
.experience-intro { position: sticky; top: 50px; height: fit-content; }
.experience-intro > p:not(.eyebrow) { color: var(--muted); font-size: 15px; line-height: 1.7; margin: 28px 0 30px; max-width: 480px; }
.timeline { border-top: 1px solid var(--line); }
.timeline-item { border-bottom: 1px solid var(--line); display: grid; gap: 35px; grid-template-columns: 115px 1fr; padding: 32px 0; }
.timeline-dates { color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .08em; padding-top: 4px; text-transform: uppercase; }
.timeline-item h3 { font-family: Georgia, serif; font-size: 28px; font-weight: 400; letter-spacing: -.03em; margin: 0 0 5px; }
.timeline-item strong { font-size: 12px; }
.timeline-item p { color: var(--muted); font-size: 13px; line-height: 1.6; margin: 12px 0 0; }
.education-note { background: #0b112b; border: 1px solid var(--line); margin-top: 34px; padding: 24px; }
.education-note span { color: var(--blue); font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.education-note p { font-family: Georgia, serif; font-size: 17px; margin: 15px 0 0; }

.beyond-section {
  align-items: center;
  background: var(--paper);
  display: grid;
  gap: 100px;
  grid-template-columns: .8fr 1.2fr;
}
.running-photo { margin: 0; position: relative; }
.running-photo::before {
  border: 1px solid rgba(49, 214, 196, .38);
  content: "";
  inset: 22px -22px -22px 22px;
  position: absolute;
  z-index: 0;
}
.running-photo img {
  display: block;
  height: 620px;
  object-fit: cover;
  object-position: center 40%;
  position: relative;
  width: 100%;
  z-index: 1;
}
.running-photo figcaption {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: .1em;
  margin-top: 13px;
  position: relative;
  text-transform: uppercase;
  z-index: 1;
}
.beyond-copy { max-width: 650px; }
.beyond-copy h2 {
  font-family: Georgia, serif;
  font-size: clamp(46px, 5vw, 74px);
  font-weight: 400;
  letter-spacing: -.05em;
  line-height: .98;
  margin: 0;
}
.beyond-copy > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
  margin: 30px 0 36px;
  max-width: 590px;
}
.running-log { border-top: 1px solid var(--line); }
.running-log div {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 24px;
  grid-template-columns: 62px 1fr;
  padding: 17px 0;
}
.running-log span { color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .08em; }
.running-log strong { font-family: Georgia, serif; font-size: 19px; font-weight: 400; }
.next-challenge {
  align-items: center;
  background: #0d1834;
  border: 1px solid rgba(49, 214, 196, .34);
  display: flex;
  justify-content: space-between;
  margin-top: 28px;
  padding: 20px 22px;
}
.next-challenge span { color: var(--teal); font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.next-challenge strong { font-size: 13px; }

.contact-section {
  background: var(--night);
  color: white;
  margin: 0 auto;
  max-width: 1440px;
  padding: 110px 54px 36px;
}
.contact-section h2 { font-family: Georgia, serif; font-size: clamp(66px, 9vw, 130px); font-weight: 400; letter-spacing: -.065em; line-height: .78; margin: 55px 0 90px; }
.contact-grid { border-top: 1px solid rgba(255,255,255,.2); display: grid; grid-template-columns: repeat(5, 1fr); }
.contact-grid a { border-right: 1px solid rgba(255,255,255,.2); font-family: Georgia, serif; font-size: 16px; padding: 25px 18px; transition: 180ms ease; }
.contact-grid a:first-child { padding-left: 0; }
.contact-grid a:last-child { border: 0; }
.contact-grid a:hover { color: #8ca1ff; }
.contact-grid span { color: #8290a3; display: block; font-family: Inter, sans-serif; font-size: 8px; font-weight: 800; letter-spacing: .14em; margin-bottom: 9px; text-transform: uppercase; }
.contact-section footer { align-items: center; border-top: 1px solid rgba(255,255,255,.2); display: grid; grid-template-columns: 1fr 1fr 1fr; margin-top: 95px; padding-top: 25px; }
.wordmark-light span { background: var(--teal); color: var(--night); }
.contact-section footer p { color: #8290a3; font-size: 10px; justify-self: center; }
.contact-section footer > a { font-size: 10px; justify-self: end; }

@media (max-width: 1000px) {
  .site-header { grid-template-columns: 1fr auto; padding: 0 28px; }
  nav { display: none; }
  .hero { grid-template-columns: 1fr; padding: 70px 28px; }
  .portrait-wrap { min-height: 600px; max-width: 620px; width: 100%; }
  .section { padding: 90px 28px; }
  .section-heading { grid-template-columns: 1fr 2fr; }
  .section-heading > p:last-child { grid-column: 2; }
  .research-grid { grid-template-columns: 1fr; }
  .research-card { min-height: 320px; }
  .signal-bar { padding: 0 28px; }
  .impact-section { gap: 50px; grid-template-columns: 1fr 430px; padding: 90px 28px; }
  .outreach-photo img { height: 440px; }
  .experience-section { gap: 60px; grid-template-columns: 1fr; }
  .experience-intro { position: static; }
  .beyond-section { gap: 60px; grid-template-columns: .85fr 1.15fr; }
  .running-photo img { height: 560px; }
  .contact-section { padding-left: 28px; padding-right: 28px; }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid a, .contact-grid a:first-child { border-bottom: 1px solid rgba(255,255,255,.2); padding: 22px 0; }
  .contact-grid a:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.2); }
  .contact-grid a:nth-child(even) { border-right: 0; padding-left: 22px; }
}

@media (max-width: 640px) {
  .site-header { height: 72px; padding: 0 20px; }
  .wordmark strong { display: none; }
  .nav-cta { padding: 10px 14px; }
  .hero { min-height: 0; padding: 46px 20px 70px; }
  h1 { font-size: 56px; }
  .hero-intro { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; }
  .portrait-wrap { min-height: 470px; }
  .portrait-card { inset: 10px 0 0 20px; }
  .orbit-two { display: none; }
  .signal-bar { grid-template-columns: 1fr; padding: 12px 20px; }
  .signal-bar div, .signal-bar div:first-child { border-bottom: 1px solid rgba(255,255,255,.15); border-right: 0; padding: 18px 0; }
  .signal-bar div:last-child { border: 0; }
  .signal-bar strong { font-size: 24px; }
  .section { padding: 74px 20px; }
  .section-heading { display: block; }
  .section-heading h2 { margin-bottom: 24px; }
  .research-grid { margin-top: 46px; }
  .research-card h3 { margin-top: 44px; }
  .publications-heading { align-items: flex-start; flex-direction: column; margin-bottom: 42px; }
  .publication-row { gap: 15px; grid-template-columns: 50px 1fr 24px; padding: 22px 0; }
  .publication-row:hover { padding-left: 6px; padding-right: 6px; }
  .publication-main h3 { font-size: 20px; }
  .impact-section { display: flex; flex-direction: column; gap: 45px; padding: 74px 20px; }
  .impact-copy h2 { font-size: 45px; }
  .media-note { align-items: flex-start; flex-direction: column; gap: 10px; }
  .outreach-photo { align-self: stretch; }
  .outreach-photo img { height: 430px; object-position: left center; }
  .timeline-item { gap: 16px; grid-template-columns: 80px 1fr; }
  .beyond-section { display: flex; flex-direction: column-reverse; gap: 52px; }
  .beyond-copy h2 { font-size: 46px; }
  .running-photo { width: calc(100% - 20px); }
  .running-photo img { height: 540px; }
  .next-challenge { align-items: flex-start; flex-direction: column; gap: 8px; }
  .contact-section { padding: 74px 20px 28px; }
  .contact-section h2 { font-size: 64px; margin: 50px 0 65px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-grid a, .contact-grid a:first-child, .contact-grid a:nth-child(even) { border-bottom: 1px solid rgba(255,255,255,.2); border-right: 0; padding: 20px 0; }
  .contact-section footer { align-items: flex-start; gap: 20px; grid-template-columns: 1fr auto; margin-top: 65px; }
  .contact-section footer p { grid-column: 1 / -1; grid-row: 2; justify-self: start; margin: 0; }
}