@import url("https://fonts.googleapis.com/css2?family=Lora:wght@400;500;600&family=Source+Sans+3:wght@400;500;600&display=swap");

:root {
  --cream: #fff8d8;
  --paper: #fffef9;
  --white: #ffffff;
  --text: #243130;
  --muted: #66706f;
  --border: #d9dfdc;
  --green: #315f5e;
  --green-dark: #244b4a;
  --green-soft: #e7f0ec;
  --coral: #c45d4c;
  --coral-soft: #f8e6e1;
  --content-width: 1120px;
  --heading-font: "Lora", Georgia, serif;
  --body-font: "Source Sans 3", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--body-font);
  font-size: 16px;
  line-height: 1.68;
}

a {
  color: var(--green);
  text-decoration-color: rgba(49, 95, 94, 0.5);
  text-underline-offset: 3px;
}

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

img {
  display: block;
  max-width: 100%;
}

:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 8px 12px;
  transform: translateY(-160%);
  background: var(--green-dark);
  color: white;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(49, 95, 94, 0.98);
}

.nav-wrap {
  display: flex;
  width: min(calc(100% - 34px), var(--content-width));
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 0 auto;
}

.site-title {
  flex: 0 0 auto;
  color: var(--white);
  font-family: var(--heading-font);
  font-size: 19px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}

.site-title:hover {
  color: var(--cream);
}

.site-nav {
  display: flex;
  min-width: 0;
  align-items: stretch;
  align-self: stretch;
  gap: 16px;
  overflow-x: auto;
  scrollbar-width: none;
}

.site-nav::-webkit-scrollbar {
  display: none;
}

.site-nav a {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  border-bottom: 3px solid transparent;
  color: rgba(255, 255, 255, 0.82);
  font-size: 12.5px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav a:hover {
  border-bottom-color: #efb2a8;
  color: var(--white);
}

.site-nav a.active {
  border-bottom-color: #f4b7ac;
  color: var(--white);
}

.nav-toggle {
  display: none;
}

.site-banner {
  background: var(--cream);
}

.banner-inner {
  width: min(calc(100% - 40px), var(--content-width));
  margin: 0 auto;
  padding: 62px 0 58px;
  text-align: center;
}

.banner-inner::before {
  display: block;
  width: 44px;
  height: 3px;
  margin: 0 auto 20px;
  background: var(--coral);
  content: "";
}

.banner-inner h1 {
  margin: 0 0 14px;
  color: var(--green-dark);
  font-family: var(--heading-font);
  font-size: clamp(37px, 6vw, 56px);
  font-weight: 500;
  letter-spacing: -1.2px;
  line-height: 1.15;
}

.banner-inner p {
  max-width: 780px;
  margin: 0 auto;
  color: #4b5856;
  font-size: 17px;
}

.banner-inner span {
  display: block;
  margin-top: 8px;
  color: var(--coral);
  font-size: 13px;
}

.main-content {
  width: min(calc(100% - 40px), var(--content-width));
  margin: 0 auto;
}

.about-section {
  display: grid;
  grid-template-columns: minmax(260px, 360px) minmax(0, 1fr);
  gap: clamp(42px, 7vw, 84px);
  align-items: start;
  padding: 72px 0;
}

.photo-column {
  width: 100%;
}

.profile-photo {
  width: 100%;
  height: auto;
  padding: 7px;
  border: 1px solid var(--border);
  background: white;
  object-fit: contain;
}

.about-copy h2,
.content-section > h2,
.two-column-section h2,
.blog-list h2,
.interior-main h2,
.article-page h2 {
  margin: 0 0 20px;
  color: var(--green-dark);
  font-family: var(--heading-font);
  font-size: 29px;
  font-weight: 500;
  line-height: 1.28;
}

.about-copy > p:first-of-type {
  margin-top: 0;
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 26px 0 34px;
}

.profile-links a {
  font-size: 14px;
  font-weight: 600;
}

.news-block {
  padding: 22px 0 0 22px;
  border-left: 2px solid #ecd1ca;
  background: transparent;
}

.news-block h2 {
  margin-bottom: 12px;
  font-size: 23px;
}

.job-market-note {
  margin: 0 0 24px;
  padding: 14px 17px;
  border-left: 3px solid var(--coral);
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 14px;
}

.job-market-note strong {
  display: block;
  margin-bottom: 2px;
  font-family: var(--heading-font);
  font-size: 17px;
  font-weight: 600;
}

.research-interests-block {
  margin: 25px 0 22px;
}

.research-interests-block h3 {
  margin: 0 0 10px;
  color: var(--green-dark);
  font-family: var(--heading-font);
  font-size: 18px;
  font-weight: 500;
}

.research-interests {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 10px;
}

.research-interests a {
  position: relative;
  padding: 9px 29px 9px 12px;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
  text-decoration: none;
}

.research-interests a::after {
  position: absolute;
  top: 50%;
  right: 12px;
  color: #d7a096;
  content: "→";
  transform: translateY(-50%);
}

.research-interests a:hover,
.research-interests a:focus-visible {
  border-color: #c6d8d3;
  background: var(--green-soft);
  color: var(--green-dark);
}

.news-block ul {
  margin: 0;
  padding-left: 21px;
}

.news-block li + li {
  margin-top: 7px;
}

.content-section {
  padding: 64px 0;
  border-top: 1px solid var(--border);
}

.section-note {
  margin: -10px 0 36px;
  color: var(--muted);
  font-size: 14px;
}

.publication-list {
  max-width: 920px;
}

.publication {
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}

.publication:first-child {
  padding-top: 0;
}

.publication h3 {
  margin: 0 0 5px;
  font-family: var(--heading-font);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.45;
}

.publication h3 a {
  text-decoration: none;
}

.publication h3 a:hover {
  text-decoration: underline;
}

.publication p {
  margin: 2px 0;
  color: #465250;
  font-size: 14px;
}

.publication .venue {
  color: var(--muted);
}

.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 15px;
  margin-top: 7px;
}

.inline-links a {
  font-size: 13px;
  font-weight: 600;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.award-note {
  color: var(--coral);
  font-weight: 600;
}

.subsection-title {
  margin-top: 56px !important;
}

.publication-list.compact .publication {
  padding: 16px 0;
}

.two-column-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
}

.two-column-section p {
  margin: 8px 0;
}

.site-footer {
  margin-top: 16px;
  border-top: 1px solid var(--border);
  background: var(--green-soft);
}

.site-footer > div {
  width: min(calc(100% - 40px), var(--content-width));
  margin: 0 auto;
  padding: 28px 0;
}

.site-footer p {
  margin: 3px 0;
  color: var(--muted);
  font-size: 13px;
}

/* Interior pages */
.interior-banner .banner-inner {
  padding-top: 44px;
  padding-bottom: 42px;
}

.interior-banner .banner-inner h1 {
  font-size: clamp(34px, 5vw, 47px);
}

.interior-main,
.article-page {
  width: min(calc(100% - 40px), 930px);
  min-height: 48vh;
  margin: 0 auto;
  padding: 58px 0 80px;
}

.page-intro {
  max-width: 760px;
  margin: 0 0 38px;
  color: var(--muted);
  font-size: 17px;
}

.content-card {
  padding: 28px 30px;
  border: 1px solid var(--border);
  border-top: 4px solid var(--green);
  background: var(--white);
}

.content-card.coral {
  border-top-color: var(--coral);
}

.content-card + .content-card,
.category-section + .category-section {
  margin-top: 34px;
}

.content-card h2,
.category-section h2 {
  margin-bottom: 14px;
  font-size: 25px;
}

.content-card h3 {
  margin: 20px 0 6px;
  color: var(--green-dark);
  font-family: var(--heading-font);
  font-size: 18px;
  font-weight: 500;
}

.simple-list {
  margin: 0;
  padding-left: 22px;
}

.simple-list li + li {
  margin-top: 10px;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.side-channel-grid {
  grid-template-columns: minmax(0, 1fr);
  max-width: 820px;
  margin: 0 auto;
  gap: 30px;
}

.resource-card {
  padding: 27px;
  border: 1px solid var(--border);
  background: var(--white);
}

.resource-card:nth-child(odd) {
  border-top: 4px solid var(--green);
}

.resource-card:nth-child(even) {
  border-top: 4px solid var(--coral);
}

.resource-card h2 {
  margin-bottom: 12px;
  font-size: 25px;
}

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

.side-channel-figure {
  margin: 0 0 22px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--green-soft);
}

.side-channel-figure img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.side-channel-grid .resource-card h3 {
  margin: 20px 0 5px;
  color: var(--green-dark);
  font-family: var(--heading-font);
  font-size: 17px;
  font-weight: 500;
}

.side-channel-grid .game-rules ul {
  margin: 7px 0 13px;
  padding-left: 21px;
}

.side-channel-grid .state-line {
  color: var(--green-dark);
}

.side-channel-grid .credit-line {
  margin-top: 20px;
  color: var(--muted);
  font-size: 14px;
}

.tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 8px;
  border-radius: 2px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 600;
}

.tag.coral {
  background: var(--coral-soft);
  color: #8e3e32;
}

.button-row,
.chapter-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.button-link,
.chapter-links a {
  display: inline-block;
  padding: 9px 15px;
  border: 1px solid var(--green);
  border-radius: 2px;
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.button-link:hover,
.chapter-links a:hover {
  border-color: var(--coral);
  background: var(--coral-soft);
  color: #853b30;
}

.category-section {
  padding: 30px 0;
  border-bottom: 1px solid var(--border);
}

.category-section:first-of-type {
  padding-top: 0;
}

.category-item {
  padding: 13px 0;
}

.category-item + .category-item {
  border-top: 1px dashed var(--border);
}

.category-item h3 {
  margin: 0 0 3px;
  font-family: var(--heading-font);
  font-size: 17px;
  font-weight: 500;
}

.category-item p {
  margin: 2px 0;
  color: var(--muted);
  font-size: 14px;
}

.timeline {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 22px;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
}

.timeline time {
  color: var(--coral);
  font-weight: 600;
}

/* Blog */
.blog-main {
  width: min(calc(100% - 40px), 900px);
  min-height: 45vh;
  margin: 0 auto;
  padding: 58px 0 84px;
}

.blog-intro {
  margin: 0 0 40px;
  color: var(--muted);
}

.blog-post-card {
  padding: 30px;
  border: 1px solid var(--border);
  border-left: 4px solid var(--coral);
  background: white;
}

.blog-post-card time {
  display: block;
  margin-bottom: 6px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 600;
}

.blog-post-card h2 {
  margin: 0 0 10px;
  color: var(--green-dark);
  font-family: var(--heading-font);
  font-size: 26px;
  font-weight: 500;
}

.blog-post-card h2 a {
  text-decoration: none;
}

.blog-post-card h2 a:hover {
  text-decoration: underline;
}

.blog-post-card p {
  max-width: 720px;
  margin: 0 0 14px;
  color: #465250;
}

.read-more {
  font-size: 14px;
  font-weight: 600;
}

.article-page {
  max-width: 760px;
}

.article-meta {
  color: var(--coral);
  font-size: 14px;
  font-weight: 600;
}

.article-page h1 {
  margin: 8px 0 26px;
  color: var(--green-dark);
  font-family: var(--heading-font);
  font-size: clamp(34px, 6vw, 50px);
  font-weight: 500;
  line-height: 1.2;
}

.article-page p {
  font-size: 17px;
}

.article-body blockquote {
  margin: 28px 0;
  padding: 4px 0 4px 22px;
  border-left: 3px solid #e3b6ad;
  color: var(--green-dark);
  font-family: var(--heading-font);
  font-size: 20px;
  line-height: 1.6;
}

.article-body p + p {
  margin-top: 1.25em;
}

.article-note {
  margin-top: 34px;
  padding: 20px 22px;
  border-left: 4px solid var(--coral);
  background: var(--coral-soft);
}

.article-back {
  display: inline-block;
  margin-bottom: 24px;
  font-size: 14px;
}

@media (max-width: 900px) {
  html {
    scroll-padding-top: 70px;
  }

  .nav-wrap {
    position: relative;
    min-height: 66px;
  }

  .site-title {
    font-size: 17px;
  }

  .nav-toggle {
    display: block;
    padding: 7px 11px;
    border: 1px solid rgba(255, 255, 255, 0.55);
    background: transparent;
    color: var(--white);
    font-family: var(--body-font);
    font-size: 14px;
  }

  .site-nav {
    position: absolute;
    top: 66px;
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100vh - 80px);
    align-self: auto;
    flex-direction: column;
    gap: 0;
    overflow-y: auto;
    padding: 7px 18px 13px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: var(--green);
    box-shadow: 0 6px 15px rgba(36, 75, 74, 0.15);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
    color: rgba(255, 255, 255, 0.88);
    font-size: 14px;
  }

  .site-nav a:last-child {
    border-bottom: 0;
  }

  .site-nav a.active {
    border-bottom-color: #f4b7ac;
    color: var(--white);
  }

  .about-section {
    grid-template-columns: minmax(235px, 315px) minmax(0, 1fr);
    gap: 46px;
  }
}

@media (max-width: 720px) {
  .banner-inner {
    padding: 43px 0 40px;
  }

  .banner-inner p {
    font-size: 15px;
  }

  .about-section {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 48px 0;
  }

  .photo-column {
    width: min(100%, 390px);
    margin: 0 auto;
  }

  .content-section {
    padding: 48px 0;
  }

  .two-column-section,
  .resource-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .interior-main,
  .article-page,
  .blog-main {
    padding-top: 44px;
  }

  .timeline li {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

@media (max-width: 430px) {
  .nav-wrap,
  .banner-inner,
  .main-content,
  .site-footer > div,
  .blog-main,
  .interior-main,
  .article-page {
    width: min(calc(100% - 28px), var(--content-width));
  }

  .site-title {
    font-size: 15px;
  }

  .banner-inner h1 {
    font-size: 35px;
  }

  .profile-links {
    flex-direction: column;
    gap: 7px;
  }

  .research-interests {
    grid-template-columns: 1fr;
  }

  .content-card,
  .resource-card,
  .blog-post-card {
    padding: 23px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}