:root {
  --page-width: 980px;
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #1f1f1f;
  --muted: #666666;
  --soft: #8a8a8a;
  --border: #e7e4de;
  --accent: #2f5d73;
  --accent-light: #eef4f7;
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
  --shadow-button: 0 8px 18px rgba(0, 0, 0, 0.08);
  --header-bg: rgba(255, 255, 255, 0.82);
  --body-copy: #2d2d2d;
  --intro: #4c4c4c;
  --secondary-bg: #ece9e3;
  --secondary-hover: #e3dfd7;
  --primary-bg: #1f1f1f;
  --primary-hover: #111111;
  --primary-text: #ffffff;
}

:root[data-theme="dark"] {
  --bg: #101417;
  --surface: #192025;
  --text: #edf2f4;
  --muted: #aab5bb;
  --soft: #94a2aa;
  --border: #303b42;
  --accent: #83bdd8;
  --accent-light: #182a33;
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.28);
  --shadow-button: 0 8px 18px rgba(0, 0, 0, 0.3);
  --header-bg: rgba(16, 20, 23, 0.86);
  --body-copy: #d7dfe3;
  --intro: #c2cdd2;
  --secondary-bg: #263138;
  --secondary-hover: #303e46;
  --primary-bg: #83bdd8;
  --primary-hover: #a0cde1;
  --primary-text: #101417;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  position: relative;
  font-family: Inter, Arial, sans-serif;
  line-height: 1.7;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.dynamic-backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: .72;
  transition: opacity .45s ease;
}

:root[data-theme="dark"] .dynamic-backdrop { opacity: .9; }
:root[data-theme="dark"] body { background: linear-gradient(180deg, #03060d 0%, #07111d 58%, #08131b 100%); }

header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 22px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.theme-toggle {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  margin-left: 20px;
  display: grid;
  place-items: center;
  padding: 0;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  font: inherit;
  cursor: pointer;
  box-shadow: var(--shadow-button);
  transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease;
}

.theme-toggle:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-1px); }
.theme-toggle:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.theme-toggle-icon { font-size: 1.35rem; line-height: 1; }

.nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0 0 0 auto;
  padding: 0;
  flex-wrap: wrap;
}

.nav a {
  text-decoration: none;
  color: var(--text);
  font-size: 1rem;
  font-weight: 500;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.nav a:hover,
.nav a.active {
  color: var(--accent);
}

.logo,
h1.logo {
  margin: 0;
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.logo a {
  text-decoration: none;
  color: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

.hero,
.content-sections {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 110px 32px 90px;
}

.content-narrow {
  max-width: var(--page-width);
}

.tagline {
  font-size: 0.92rem;
  color: var(--soft);
  margin-bottom: 22px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero > .tagline {
  color: var(--soft);
}

.page-heading {
  margin: 0 0 28px;
}

.hero .page-heading .tagline {
  margin: 0 0 22px;
  color: var(--soft);
  font-size: 0.92rem;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: uppercase;
}

.hero .page-heading h2 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero h2 {
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  line-height: 1.08;
  margin: 0 0 28px;
  letter-spacing: -0.04em;
}

.intro {
  font-size: 1.28rem;
  color: var(--intro);
  max-width: 760px;
  margin: 0 0 34px;
  line-height: 1.75;
}

.hero p {
  font-size: 1.06rem;
  color: var(--body-copy);
  line-height: 1.9;
  margin: 0 0 24px;
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
  -webkit-hyphens: auto;
  -ms-hyphens: auto;
}

.hero p:last-of-type {
  margin-bottom: 0;
}

.hero a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.hero a:hover {
  border-bottom-color: var(--accent);
}

.buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 38px 0 54px;
}

.btn {
  display: inline-block;
  padding: 14px 24px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--primary-bg);
  color: var(--primary-text);
  box-shadow: var(--shadow-button);
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-secondary {
  background: var(--secondary-bg);
  color: var(--text);
}

.btn-secondary:hover {
  background: var(--secondary-hover);
}

.home-linkedin-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
}
.home-linkedin-button img { display: block; width: 32px; height: 32px; object-fit: contain; }

.btn-placeholder,
.btn-placeholder:hover {
  color: var(--soft);
  background: transparent;
  border: 1px dashed var(--border);
  box-shadow: none;
  cursor: default;
  transform: none;
}

.home-section {
  margin-top: 18px;
  padding-top: 10px;
}

.home-section h3 {
  margin-bottom: 18px;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.research-pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 24px;
}

.pillar {
  padding: 20px;
  background: var(--accent-light);
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.pillar:hover {
  box-shadow: var(--shadow-soft);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.pillar h4 {
  margin: 0 0 16px;
  font-size: 1.05rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.pillar .focus-tags {
  flex-direction: column;
  gap: 8px;
}

.pillar .focus-tags span {
  display: block;
  padding: 8px 12px;
  background: var(--surface);
  border-color: var(--border);
  font-size: 0.9rem;
  text-align: left;
  transition: all 0.2s ease;
}

.pillar .focus-tags span:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  padding-left: 16px;
}

.about-section {
  margin: 0 0 48px;
  padding: 0;
}

.about-section h3 {
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  color: var(--accent);
  font-weight: 600;
  text-transform: capitalize;
}

.about-section p {
  margin: 0;
}

.focus-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.focus-tags span {
  display: inline-block;
  padding: 10px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.97rem;
  color: var(--body-copy);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.home-section .focus-tags {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 30px;
}

.home-section .focus-tags span {
  padding: 7px 10px;
  font-size: 0.84rem;
  text-align: center;
  box-shadow: none;
}

.home-section .focus-tags a {
  display: flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--body-copy);
  font-family: inherit;
  font-size: 0.94rem;
  font-weight: 500;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.home-section .focus-tags a:hover,
.home-section .focus-tags a:focus-visible {
  color: var(--accent);
  background: #dceef6;
  border-color: #a9cedd;
  transform: translateY(-1px);
}

.home-section .focus-tags a:active {
  color: var(--accent);
  background: #cce6f1;
  border-color: #8fbed1;
  transform: translateY(0);
}

.contact-channels {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 28px;
  padding: 28px 0 0;
  border-top: 1px solid var(--border);
}
.contact-channel,
.hero a.contact-channel {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-width: 0;
  width: 68px;
  height: 68px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: transparent;
  color: var(--text);
  text-decoration: none;
  box-shadow: 0 2px 5px rgba(0, 0, 0, .04);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.hero a.contact-channel:hover,
.hero a.contact-channel:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: transparent;
  box-shadow: var(--shadow-button);
}
.hero a.contact-channel:active { transform: translateY(-1px); }
.contact-channel:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.contact-channel::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 12px);
  left: 50%;
  z-index: 2;
  width: max-content;
  max-width: 180px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-soft);
  font-size: .75rem;
  line-height: 1.4;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 4px);
  pointer-events: none;
  transition: opacity .15s ease, transform .15s ease, visibility .15s ease;
}
.contact-channel:hover::after,
.contact-channel:focus-visible::after {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}
.contact-channel-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.contact-channel-icon img,
.contact-channel-icon svg { display: block; width: 40px; height: 40px; }
.contact-channel-icon img { object-fit: contain; transform: none; }
.contact-channel .contact-medium-logo img { width: 44px; height: 40px; }
:root[data-theme="dark"] .contact-channel img[src$="github-official.svg"],
:root[data-theme="dark"] .contact-channel img[src$="medium-official.svg"] { filter: invert(1); }
.hero a.contact-location-info {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding: 4px 0;
  border-bottom: 0;
  color: var(--muted);
}
.contact-location-info .contact-channel-icon svg { width: 30px; height: 30px; }
.contact-location-label { font-size: .9rem; line-height: 1.4; }
.contact-location-arrow { color: var(--accent); }
.hero a.contact-location-info:hover { color: var(--accent); }
.contact-location-info:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 4px; }
@media (max-width: 480px) {
  .contact-channels { gap: 12px; }
  .contact-channel, .hero a.contact-channel { width: 60px; height: 60px; padding: 8px; }
  .contact-channel::after { left: 0; width: 100%; max-width: none; transform: translateY(4px); }
  .contact-channel:hover::after, .contact-channel:focus-visible::after { transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .hero a.contact-channel, .contact-channel::after { transition: none; }
  .hero a.contact-channel:hover, .hero a.contact-channel:focus-visible, .hero a.contact-channel:active { transform: none; }
}

.contact-form-section {
  margin-top: 28px;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}
.contact-form-section h3 {
  margin: 0 0 28px;
  font-size: 1.6rem;
  line-height: 1.3;
  letter-spacing: -.025em;
}
.contact-form { display: grid; gap: 22px; }
.contact-form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.contact-field { display: grid; gap: 8px; min-width: 0; }
.contact-field label { color: var(--text); font-size: .9rem; font-weight: 600; }
.contact-field label span { color: var(--muted); font-weight: 400; }
.contact-field input,
.contact-field textarea {
  width: 100%;
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: .95rem;
  line-height: 1.6;
}
.contact-field textarea { resize: vertical; min-height: 150px; }
.contact-field input::placeholder,
.contact-field textarea::placeholder { color: var(--muted); opacity: 1; }
.contact-field input:focus-visible,
.contact-field textarea:focus-visible,
.contact-submit:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.contact-form-footer { display: flex; align-items: center; flex-wrap: wrap; gap: 16px 24px; }
.contact-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  border: 0;
  font: inherit;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
}
.contact-submit:disabled { cursor: default; opacity: .65; }
.hero .contact-form-footer p {
  flex: 1 1 220px;
  margin: 0;
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.6;
  text-align: left;
}
.hero .contact-form-status {
  margin: 0;
  color: var(--accent);
  font-size: .9rem;
  text-align: left;
}
@media (max-width: 600px) {
  .contact-form-section { padding: 24px 20px; }
  .contact-form-row { grid-template-columns: minmax(0, 1fr); gap: 22px; }
}

.hero .contact-intro { max-width: none; text-align: justify; text-justify: inter-word; }

.about-copy {
  margin-top: 0;
}

.about-copy p {
  margin-bottom: 28px;
  text-align: justify;
  text-justify: inter-word;
}

.about-copy::after {
  display: table;
  clear: both;
  content: "";
}

.about-portrait {
  float: right;
  width: min(42%, 380px);
  margin: 4px 0 28px 36px;
}

.about-portrait img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
}

.about-copy p:first-of-type {
  color: var(--intro);
  margin: 0 0 28px;
  font-size: 1.06rem;
  line-height: 1.9;
}

@media (max-width: 680px) {
  .about-portrait {
    float: none;
    width: min(100%, 360px);
    margin: 0 auto 30px;
  }
}

.about-copy a {
  color: var(--accent);
  font-weight: 500;
}

.about-copy .zen-link {
  padding: 0.08em 0.28em;
  border-bottom: 0;
  border-radius: 4px;
  background: var(--accent-light);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.about-copy .zen-link:hover {
  border-bottom: 0;
}


.project-list {
  margin-top: 58px;
  border-top: 1px solid var(--border);
}

.project-card,
.publication-list .publication-featured {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  padding: 38px 0;
  border-bottom: 1px solid var(--border);
  scroll-margin-top: 110px;
}

.project-card h3 {
  margin: 0 0 12px;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

.project-card div p {
  margin: 0 0 14px;
  max-width: 640px;
  text-align: justify;
}

.project-card a {
  display: inline-block;
  font-size: 0.95rem;
}

.project-card .project-card-link,
.publication-featured .publication-card-link {
  display: block;
  margin: -18px -20px;
  padding: 18px 20px;
  border: 1px solid transparent;
  border-radius: 14px;
  color: var(--text);
  text-decoration: none;
  transition: transform .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.project-card .project-card-link:hover,
.publication-featured .publication-card-link:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 12px 30px rgba(0, 0, 0, .12);
}

.project-card .project-card-link:focus-visible,
.publication-featured .publication-card-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.hero .project-medium-link {
  margin: 48px 0 0;
  line-height: 1.5;
  text-align: left;
}

.project-card .project-card-link > p {
  margin: 0;
  max-width: none;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
  text-align: justify;
}

.project-card-kicker {
  display: block;
  margin-bottom: 9px;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.project-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 22px 0;
}

.project-keywords > span {
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: .76rem;
  line-height: 1.35;
}

.project-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: .92rem;
  font-weight: 700;
}

.project-card .project-description {
  margin-bottom: 0;
  max-width: none;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
}

footer {
  text-align: center;
  padding: 34px 20px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  margin-top: 80px;
  font-size: 0.96rem;
}

.publication-section,.publication-note { margin-top:60px; }
.scholar-link { margin:30px 0 0; text-align:left; }
.publication-section>h3,.publication-note h3 { margin-bottom:22px; font-size:1.45rem; }
.publication-list { border-top:1px solid var(--border); }
.publication-intro { max-width:none; white-space:normal; }
.publication-list article { display:grid; grid-template-columns:170px minmax(0,1fr); column-gap:30px; padding:32px 0; border-bottom:1px solid var(--border); }
.publication-list article>span { color:var(--accent); font-size:.82rem; font-weight:600; letter-spacing:.05em; text-transform:uppercase; }
.publication-list h4 {
  margin: 0 0 14px;
  min-height: 3.15em;
  font-size: 1.25rem;
  line-height: 1.45;
  text-align: justify;
  text-justify: inter-word;
}
.publication-list h4 a { color:inherit; text-decoration:none; }
.publication-list h4 a:hover { color:var(--accent); }
.publication-list h4,.publication-list p { grid-column:2; }
.publication-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-style: italic;
  line-height: 1.65;
  text-align: justify;
  text-justify: inter-word;
}
.publication-card-link .publication-meta {
  display: block;
  margin-bottom: 9px;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.publication-card-link h4 {
  min-height: 0;
  margin: 0 0 12px;
  font-size: 1.45rem;
  letter-spacing: -.02em;
  line-height: 1.4;
  text-align: left;
}
.publication-list .publication-card-link .publication-authors {
  margin: 0;
  color: var(--muted);
  font-size: .86rem;
  font-style: italic;
  line-height: 1.6;
  text-align: left;
}
.publication-list .publication-card-link .publication-abstract {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1rem;
  font-style: normal;
  line-height: 1.75;
  text-align: justify;
  text-align-last: left;
}
.publication-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: max-content;
  margin-top: 22px;
  color: var(--accent);
  font-size: .92rem;
  font-weight: 700;
}
.publication-note p { margin:0 0 12px; text-align:justify; text-justify:inter-word; }
.publication-note { padding:28px; background:var(--surface); border:1px solid var(--border); border-radius:12px; }
.publication-list sup { font-size:.68em; font-style:normal; vertical-align:super; }
.publications-page .contribution-note { margin:18px 0 0; color:var(--muted); font-size:.84rem; font-style:italic; text-align:left; }

.blog-page { max-width: var(--page-width); }
.blog-post { max-width: 100%; margin: 0 auto; padding-top: 32px; border-top: 1px solid var(--border); scroll-margin-top: 100px; }
.blog-post > .blog-post-heading { position: static; background: none; border: 0; box-shadow: none; padding: 0; backdrop-filter: none; }
.blog-post-heading h2, .blog-post-heading h3 { margin: 0 0 32px; font-size: clamp(1.65rem, 4vw, 2.5rem); line-height: 1.25; letter-spacing: -.025em; overflow-wrap: break-word; }
.blog-post-body h4 { margin: 36px 0 16px; font-size: 1.3rem; line-height: 1.4; }
.hero .blog-post-body p, .blog-post-body li { color: var(--muted); font-size: 1rem; line-height: 1.85; text-align: left; }
.hero .blog-post-body p { margin: 0 0 22px; }
.blog-post-body ul { padding-left: 24px; margin: 0 0 24px; }
.blog-post-body li { margin-bottom: 16px; }
.hero .blog-post-body .blog-post-source { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); overflow-wrap: anywhere; }
.blog-heading { max-width: 800px; margin-bottom: 58px; }
.blog-heading .intro { margin-top: 28px; }
.featured-entry {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 48px;
  padding: 44px;
  background: linear-gradient(135deg, var(--accent-light), var(--surface));
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
}

main, footer { position: relative; z-index: 1; }

@media (prefers-reduced-motion: reduce) {
  .dynamic-backdrop { transition: none; }
}
.entry-meta { display: flex; flex-direction: column; gap: 5px; color: var(--soft); font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; }
.entry-meta span { color: var(--accent); font-weight: 700; }
.entry-kicker { margin: 0 0 10px !important; color: var(--accent) !important; font-size: .78rem !important; font-weight: 700; letter-spacing: .09em; text-align: left !important; text-transform: uppercase; }
.featured-copy h3 { margin: 0 0 18px; font-size: clamp(1.8rem, 4vw, 2.7rem); line-height: 1.15; letter-spacing: -.03em; }
.featured-copy > p:last-child { margin: 0; text-align: left; }
.field-newsletter {
  grid-column: 1 / -1;
  min-width: 0;
  margin-top: -20px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.newsletter-action {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  align-items: center;
  gap: 48px;
}
.newsletter-label {
  display: block;
  margin: 0;
  color: var(--accent);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.newsletter-signup {
  display: flex;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}
.newsletter-signup .ml-form-formContent { flex: 1; min-width: 0; }
.newsletter-signup .ml-form-embedSubmit { flex-shrink: 0; }
.newsletter-signup .ml-error input { outline: 2px solid #e35d6a; outline-offset: -2px; border-radius: 6px; }
.hero .newsletter-success-message { margin: 0; color: var(--accent); font-size: .95rem; text-align: left; }
.newsletter-signup input {
  width: 100%;
  min-width: 0;
  padding: 8px;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: .9rem;
  opacity: 1;
  -webkit-text-fill-color: var(--text);
}
.newsletter-signup input::placeholder {
  color: var(--muted);
  -webkit-text-fill-color: var(--muted);
  opacity: 1;
}
.newsletter-signup:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.newsletter-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-shrink: 0;
  min-height: 44px;
  padding: 10px 14px;
  background: var(--primary-bg);
  color: var(--primary-text);
  border: 0;
  border-radius: 8px;
  font: inherit;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
}
.newsletter-button:disabled {
  cursor: default;
  opacity: .75;
}
.newsletter-button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
@media (max-width: 768px) {
  .field-newsletter { grid-column: 1; margin-top: 0; }
  .newsletter-action { grid-template-columns: minmax(0, 1fr); gap: 12px; }
}
@media (max-width: 420px) {
  .newsletter-signup { flex-direction: column; }
  .newsletter-signup input { min-height: 44px; }
}
.blog-section { margin-top: 82px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 28px; }
.section-heading .tagline { margin: 0; }
.section-heading h3 { max-width: 500px; margin: 0; font-size: 1.7rem; letter-spacing: -.025em; text-align: right; }
.blog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.blog-card { display: flex; min-height: 330px; flex-direction: column; padding: 28px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.blog-card:hover { border-color: var(--accent); box-shadow: var(--shadow-soft); transform: translateY(-3px); }
.blog-card h4 { margin: 0 0 18px; font-size: 1.3rem; line-height: 1.35; letter-spacing: -.02em; }
.blog-card > p:not(.entry-kicker) { margin: 0 0 26px; color: var(--muted); font-size: .94rem; line-height: 1.7; text-align: left; }
.blog-card > a, .coming-soon { margin-top: auto; font-size: .88rem; font-weight: 600; }
.coming-soon { color: var(--soft); }

@media (max-width: 768px) {
  .nav {
    flex-direction: column;
    gap: 16px;
    padding: 20px 24px;
  }

  .nav ul {
    justify-content: center;
    gap: 18px;
    margin-left: 0;
  }

  .theme-toggle {
    position: absolute;
    top: 14px;
    right: 20px;
    margin-left: 0;
  }

  .hero,
  .content-sections {
    padding: 82px 24px 64px;
  }

  .hero h2 {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .intro {
    font-size: 1.08rem;
  }

  .hero p {
    font-size: 1rem;
    line-height: 1.82;
  }

  .logo,
  h1.logo {
    font-size: 1.6rem;
  }

  .buttons {
    margin-top: 28px;
    margin-bottom: 42px;
  }

  .research-pillars {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .home-section .focus-tags {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .home-section .focus-tags span {
    padding: 7px 8px;
    font-size: 0.78rem;
  }

  .home-section .focus-tags a {
    min-height: 42px;
    padding: 8px 10px;
    font-size: 0.84rem;
  }

  .project-card,
  .publication-list .publication-featured {
    grid-template-columns: minmax(0, 1fr);
    padding: 30px 0;
  }

  .publication-intro { white-space:normal; }
  .publication-list article { grid-template-columns:1fr; row-gap:9px; }
  .publication-list h4,.publication-list p { grid-column:1; }
  .publication-list h4 { min-height: 0; text-align: left; }



  .pillar {
    padding: 16px;
  }

  .pillar h4 {
    font-size: 1rem;
    margin-bottom: 12px;
  }

  .pillar .focus-tags span {
    font-size: 0.85rem;
    padding: 6px 10px;
  }

  .featured-entry { grid-template-columns: 1fr; gap: 24px; padding: 28px; }
  .entry-meta { flex-direction: row; justify-content: space-between; }
  .blog-section { margin-top: 60px; }
  .section-heading { align-items: start; flex-direction: column; gap: 10px; }
  .section-heading h3 { text-align: left; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card { min-height: 0; }

}

/* Post index: simple title rows linking to full articles. */
.post-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--border); }
.post-list li { margin: 0; border-bottom: 1px solid var(--border); }
.post-list h3 { margin: 0; font-size: clamp(1.15rem, 2.5vw, 1.5rem); line-height: 1.5; }
.post-list h3 a { display: block; padding: 24px 0; color: var(--text); border: 0; overflow-wrap: anywhere; }
.post-list h3 a:hover { color: var(--accent); }
.post-list h3 a:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; border-radius: 2px; }

.post-list li:has(.post-overview) { padding-bottom: 24px; }
.post-list li:has(.post-overview) h3 a { padding-bottom: 8px; }
.hero .post-list .post-overview { margin: 0; color: var(--muted); font-size: 1rem; line-height: 1.7; text-align: justify; }

/* Comfortable reading layout for the full article. */
.article-page .blog-heading { max-width: 100%; margin: 0 auto 32px; }
.article-page .blog-post { max-width: 100%; }
.hero.article-page .blog-post-heading h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.3;
  letter-spacing: -.02em;
  margin-bottom: 32px;
  width: 100%;
  max-width: none;
  text-wrap: wrap;
  text-align: justify;
  text-align-last: left;
  text-justify: inter-word;
}
.hero.article-page .blog-post-body p,
.article-page .blog-post-body li {
  color: var(--body-copy);
  font-size: 1.0625rem;
  line-height: 1.85;
  text-align: justify;
  text-align-last: left;
  text-justify: inter-word;
  hyphens: auto;
  -webkit-hyphens: auto;
  overflow-wrap: break-word;
}
.hero.article-page .blog-post-body p { margin-bottom: 24px; }
.article-page .blog-post-body h4 { margin: 40px 0 16px; line-height: 1.4; }
.article-page .blog-post-body ul { padding-left: 26px; }
.article-page .blog-post-body li { padding-left: 4px; margin-bottom: 18px; }
.hero.article-page .blog-post-source { font-size: .95rem; }
@media (max-width: 480px) {
  .hero.article-page .blog-post-body p,
  .article-page .blog-post-body li { font-size: 1rem; line-height: 1.8; }
}

/* Home and Projects copy uses the shared page's full content width. */
.home-page .intro,
.projects-page .intro,
.projects-page .project-card div p { max-width: none; }
.projects-page .project-card > div { min-width: 0; overflow-wrap: break-word; }

.hero.article-page .blog-post-heading h2 { margin-bottom: 16px; }
.hero.article-page .blog-post-heading .post-published {
  margin: 0 0 32px;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.5;
  text-align: left;
}

.hero .post-list .post-published {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.5;
  text-align: left;
}

.hero .post-external-link {
  margin: 12px 0 0;
  font-size: .9rem;
  line-height: 1.5;
  text-align: left;
}

.hero .post-link-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.hero a.medium-link,
.hero a.github-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  min-height: 44px;
  padding: 8px 12px;
  box-sizing: border-box;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  line-height: 1.4;
  text-align: left;
  hyphens: none;
  vertical-align: middle;
  transition: background-color .2s ease, border-color .2s ease;
}
.hero a.medium-link:hover,
.hero a.github-link:hover {
  background: var(--accent-light);
  border-color: var(--accent);
}
.hero a.medium-link:focus-visible,
.hero a.github-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
.github-link img {
  display: block;
  width: 28px;
  height: 28px;
}
.medium-link-logo {
  display: block;
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  overflow: hidden;
  border-radius: 6px;
  background: #000;
}
.medium-link-logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
}

/* Align the blog introduction with the full-width content below. */
.blog-index .blog-heading,
.blog-index .blog-heading .intro,
.neurons-index .blog-heading,
.neurons-index .blog-heading .intro { max-width: none; }

.blog-post-heading .post-byline-date {
  display: inline-block;
  color: var(--muted);
  font-weight: 400;
  letter-spacing: normal;
  text-transform: none;
}

.perspective-index .blog-heading,
.perspective-index .blog-heading .intro { max-width: none; }
.book-review .blog-post-body, .tech-review .blog-post-body { display: flow-root; }
.book-review-photo { float: right; width: 38%; margin: 0 0 20px 28px; }
.book-review-photo img { display: block; width: 100%; height: auto; border-radius: 8px; }
.book-review-photo figcaption { margin-top: 12px; color: var(--muted); font-size: .9rem; line-height: 1.6; text-align: center; }
.article-page .book-review .blog-post-body h3, .article-page .tech-review .blog-post-body h3 { margin: 40px 0 16px; font-size: 1.3rem; line-height: 1.4; }

@media (max-width: 600px) {
  .book-review-photo { float: none; width: 100%; margin: 0 0 24px; }
}

/* Give article openings room below the title and author details. */
.hero.article-page .blog-post-heading { margin-bottom: 60px; }
.hero.article-page .blog-post-heading h2 { margin-bottom: 0; }
@media (max-width: 600px) {
  .hero.article-page .blog-post-heading { margin-bottom: 44px; }
}

/* Shared controls shown below every blog post. */
.post-interactions {
  clear: both;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.post-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.post-like-button,
.post-share-link {
  min-height: 42px;
  box-sizing: border-box;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  cursor: pointer;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease;
}
.post-like-button {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 16px;
}
.post-like-button[aria-pressed="true"] {
  color: var(--accent);
  background: var(--accent-light);
  border-color: var(--accent);
}
.post-like-button:hover,
.post-share-link:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}
.post-like-button:focus-visible,
.post-share-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.post-share {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.post-share-label { margin-right: 2px; color: var(--muted); font-size: .92rem; }
.hero a.post-share-link,
.post-share-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  padding: 7px 12px;
  text-decoration: none;
  line-height: 1;
}
.post-share-whatsapp,
.post-copy-link { font-size: .86rem; }
.post-comments {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.post-comments h3 { margin: 0 0 8px; font-size: 1.35rem; }
.hero .post-comments > p { margin: 0 0 24px; color: var(--muted); font-size: .92rem; }
.post-comments-thread { min-height: 80px; }
.utterances { max-width: 100%; }
@media (max-width: 600px) {
  .post-action-bar { align-items: flex-start; }
  .post-share { width: 100%; }
  .post-share-label { width: 100%; }
}

/* Native accessibility menu and visitor-controlled display preferences. */
.accessibility-widget {
  position: relative;
  z-index: 5000;
  font-family: Inter, Arial, sans-serif;
  text-align: left;
  letter-spacing: normal;
  word-spacing: normal;
}
.accessibility-trigger {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 5001;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 48px;
  padding: 10px 15px;
  border: 2px solid var(--accent);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
  font: 700 .9rem/1 Inter, Arial, sans-serif;
  cursor: pointer;
}
.accessibility-trigger svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.accessibility-trigger:hover { background: var(--accent-light); }
.accessibility-trigger:focus-visible,
.accessibility-close:focus-visible,
.accessibility-option:focus-visible,
.accessibility-reset:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}
.accessibility-backdrop {
  position: fixed;
  inset: 0;
  z-index: 5002;
  background: rgba(0, 0, 0, .5);
  opacity: 0;
  transition: opacity .18s ease;
}
.accessibility-backdrop.is-open { opacity: 1; }
.accessibility-panel {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 5003;
  width: min(440px, 100vw);
  height: 100dvh;
  overflow-y: auto;
  padding: 26px;
  background: var(--bg);
  color: var(--text);
  border-left: 1px solid var(--border);
  box-shadow: -14px 0 40px rgba(0, 0, 0, .24);
  transform: translateX(102%);
  transition: transform .18s ease;
}
.accessibility-panel.is-open { transform: translateX(0); }
.accessibility-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}
.accessibility-panel .accessibility-eyebrow {
  margin: 0 0 5px;
  color: var(--accent);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.accessibility-panel h2 {
  margin: 0;
  color: var(--text);
  font-size: 1.55rem;
  line-height: 1.25;
}
.accessibility-panel .accessibility-shortcut {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: .8rem;
}
.accessibility-close {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text);
  font: 400 2rem/1 Arial, sans-serif;
  cursor: pointer;
}
.accessibility-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.accessibility-option {
  display: grid;
  grid-template-rows: 38px auto auto;
  place-items: center;
  gap: 7px;
  min-height: 142px;
  padding: 15px 10px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  color: var(--text);
  font: 700 .92rem/1.25 Inter, Arial, sans-serif;
  text-align: center;
  cursor: pointer;
  transition: border-color .18s ease, background-color .18s ease, transform .18s ease;
}
.accessibility-option:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}
.accessibility-option.is-active {
  border-color: var(--accent);
  background: var(--accent-light);
}
.accessibility-option-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--text);
  font: 400 2rem/1 Arial, sans-serif;
}
.accessibility-text-icon { font-size: 1.25rem; font-weight: 800; }
.accessibility-option-state {
  color: var(--muted);
  font-size: .72rem;
  font-weight: 500;
}
.accessibility-option.is-active .accessibility-option-state { color: var(--accent); font-weight: 700; }
.accessibility-reset {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 100%;
  min-height: 50px;
  margin-top: 18px;
  padding: 11px 16px;
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: var(--bg);
  font: 700 .94rem/1.3 Inter, Arial, sans-serif;
  cursor: pointer;
}
.accessibility-reset:hover { filter: brightness(1.08); }
.accessibility-menu-open { overflow: hidden; }

:root.a11y-high-contrast {
  --bg: #fff;
  --surface: #fff;
  --text: #000;
  --body-copy: #000;
  --intro: #000;
  --muted: #1a1a1a;
  --soft: #333;
  --border: #000;
  --accent: #0047ab;
  --accent-light: #dcecff;
  --header-bg: #fff;
}
:root[data-theme="dark"].a11y-high-contrast {
  --bg: #000;
  --surface: #000;
  --text: #fff;
  --body-copy: #fff;
  --intro: #fff;
  --muted: #f2f2f2;
  --soft: #ddd;
  --border: #fff;
  --accent: #6ed6ff;
  --accent-light: #002b3d;
  --header-bg: #000;
}
:root[data-theme="dark"].a11y-high-contrast body { background: #000; }
.a11y-highlight-links body a:not(.accessibility-widget a) {
  border: 2px solid currentColor !important;
  border-radius: 4px;
  padding: .08em .2em;
  background: #ffef73 !important;
  color: #000 !important;
  text-decoration: underline !important;
  text-decoration-thickness: 2px !important;
}
:root[data-a11y-text-size="1"] { font-size: 112.5%; }
:root[data-a11y-text-size="2"] { font-size: 125%; }
:root[data-a11y-text-size="3"] { font-size: 137.5%; }
.a11y-text-spacing body :where(p, li, a, button, h1, h2, h3, h4, h5, h6):not(.accessibility-widget *) {
  letter-spacing: .08em !important;
  word-spacing: .16em !important;
}
.a11y-pause-motion *,
.a11y-pause-motion *::before,
.a11y-pause-motion *::after {
  animation-play-state: paused !important;
  animation-duration: .001ms !important;
  transition-duration: .001ms !important;
  scroll-behavior: auto !important;
}
.a11y-hide-images body img:not(.accessibility-widget img) { visibility: hidden !important; }
.a11y-dyslexia-font body,
.a11y-dyslexia-font body :where(input, textarea, select, button):not(.accessibility-widget *) {
  font-family: Verdana, Tahoma, Arial, sans-serif !important;
}
.a11y-large-cursor body,
.a11y-large-cursor body * {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='36' height='36' viewBox='0 0 36 36'%3E%3Cpath d='M5 3v26l7-7 5 11 5-2-5-11h10z' fill='white' stroke='black' stroke-width='2'/%3E%3C/svg%3E") 5 3, auto !important;
}
:root[data-a11y-line-height="1"] body :where(p, li, blockquote) { line-height: 2 !important; }
:root[data-a11y-line-height="2"] body :where(p, li, blockquote) { line-height: 2.35 !important; }
.a11y-left-align body :where(p, li, h1, h2, h3, h4, h5, h6):not(.accessibility-widget *) {
  text-align: left !important;
  text-align-last: left !important;
}
:root[data-a11y-saturation="1"] body > *:not(.accessibility-widget) { filter: saturate(.25); }
:root[data-a11y-saturation="2"] body > *:not(.accessibility-widget) { filter: saturate(1.8); }

@media (max-width: 600px) {
  .accessibility-trigger { right: 14px; bottom: 14px; width: 48px; padding: 10px; justify-content: center; }
  .accessibility-trigger span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .accessibility-panel { padding: 20px 16px; }
  .accessibility-options { gap: 9px; }
  .accessibility-option { min-height: 126px; padding: 12px 7px; font-size: .82rem; }
}