:root {
  --ink: #202124;
  --muted: #5f6368;
  --line: #ddd8cf;
  --paper: #ffffff;
  --warm: #f7f4ee;
  --green: #2f5d50;
  --green-dark: #24483e;
  --red: #7b2635;
  --red-soft: #fbf1f3;
  --shadow: 0 20px 45px rgba(32, 33, 36, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

[id] {
  scroll-margin-top: 92px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  line-height: 1.65;
}

a {
  color: var(--red);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--green-dark);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
  padding: 14px clamp(22px, 4vw, 54px);
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.brand,
.nav,
.button,
.paper-meta,
.date,
.eyebrow,
.affiliation,
.footer {
  font-family: Arial, Helvetica, sans-serif;
}

.brand {
  color: var(--ink);
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 22px;
  font-size: 15px;
}

.nav a {
  color: var(--ink);
  text-decoration: none;
}

.nav a:hover {
  color: var(--red);
}

.hero {
  display: grid;
  grid-template-columns: minmax(260px, 390px) minmax(0, 760px);
  align-items: center;
  gap: clamp(34px, 5vw, 58px);
  max-width: 1240px;
  margin: 0 auto;
  padding: 64px clamp(22px, 4vw, 54px) 52px;
}

.hero-photo-wrap {
  align-self: start;
}

.hero-photo {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
li {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(38px, 6vw, 62px);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 18px;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 22px;
  line-height: 1.32;
  letter-spacing: 0;
}

p {
  margin: 0 0 16px;
}

.affiliation {
  margin: 10px 0 28px;
  color: var(--muted);
  font-size: 17px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 9px 16px;
  border: 1px solid var(--red);
  border-radius: 6px;
  color: var(--red);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.button:hover {
  color: var(--red);
  background: var(--red-soft);
}

.button.primary {
  color: #ffffff;
  background: var(--red);
}

.button.primary:hover {
  color: #ffffff;
  background: #64202c;
}

.summary-band,
.section.muted {
  background: var(--warm);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(30px, 6vw, 70px);
  max-width: 1100px;
  margin: 0 auto;
  padding: 46px clamp(22px, 4vw, 54px);
}

.summary-grid h2 {
  font-size: 24px;
}

.section {
  padding: 72px clamp(22px, 4vw, 54px);
}

.section-inner {
  max-width: 1040px;
  margin: 0 auto;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

.paper-card {
  padding: clamp(24px, 4vw, 34px);
  margin-top: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--green);
  border-radius: 8px;
}

.paper-card:first-of-type {
  border-left-color: var(--red);
}

.paper-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.paper-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 9px;
  background: #eef4f1;
  border: 1px solid #d8e4df;
  border-radius: 6px;
}

.paper-card:first-of-type .paper-meta span {
  color: var(--red);
  background: var(--red-soft);
  border-color: #efd7dc;
}

.paper-actions {
  margin-bottom: 18px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  font-weight: 700;
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(140px, 210px);
  gap: 24px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.timeline-item:last-child {
  border-bottom: 1px solid var(--line);
}

.timeline-item p {
  margin-bottom: 0;
}

.date {
  color: var(--muted);
  font-size: 15px;
  text-align: right;
}

.cv-simple {
  max-width: 720px;
}

.footer {
  padding: 30px clamp(22px, 4vw, 54px);
  color: var(--muted);
  background: #fbfaf7;
  border-top: 1px solid var(--line);
  font-size: 14px;
  text-align: center;
}

.footer p {
  margin-bottom: 6px;
}

.updated {
  color: #77736c;
}

@media (max-width: 780px) {
  [id] {
    scroll-margin-top: 136px;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    justify-content: flex-start;
    gap: 14px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-top: 42px;
    padding-bottom: 54px;
  }

  .hero-photo {
    max-width: 280px;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .date {
    text-align: left;
  }
}

@media (max-width: 460px) {
  body {
    font-size: 16px;
  }

  .button {
    width: 100%;
  }

  .paper-card {
    padding: 22px 18px;
  }
}