:root {
  --bg: #f8faf6;
  --surface: #ffffff;
  --surface-soft: #eef3ee;
  --ink: #17211b;
  --graphite: #29302b;
  --muted: #5a665f;
  --line: #dfe6de;
  --line-strong: #c8d3c9;
  --green: #126b45;
  --green-dark: #0c4d34;
  --cyan: #178f8a;
  --amber: #b86f12;
  --danger: #a33a2f;
  --success: #17653b;
  --ring: rgba(18, 107, 69, 0.22);
  --shadow: 0 18px 45px rgba(23, 33, 27, 0.09);
  --radius: 8px;
  --maxw: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body,
button,
input,
textarea {
  font: inherit;
}

button,
input,
textarea {
  letter-spacing: 0;
}

a {
  color: inherit;
}

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

.site-background {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(rgba(18, 107, 69, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 107, 69, 0.035) 1px, transparent 1px),
    var(--bg);
  background-size: 48px 48px, 48px 48px, auto;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 20;
  transform: translateY(-140%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.65rem 0.85rem;
  background: var(--surface);
  color: var(--green-dark);
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow);
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  border-bottom: 1px solid rgba(200, 211, 201, 0.82);
  padding: 0.85rem max(1.25rem, calc((100vw - var(--maxw)) / 2));
  background: rgba(248, 250, 246, 0.92);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.2rem;
  height: 2.2rem;
  place-items: center;
  border: 1px solid var(--green);
  border-radius: var(--radius);
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 900;
}

.menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.menu a {
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  padding: 0.55rem 0.75rem;
  text-decoration: none;
}

.menu a:hover,
.menu a:focus-visible,
.menu a.active,
.menu a[aria-current="true"] {
  background: #e5eee7;
  color: var(--green-dark);
  outline: none;
}

.menu-toggle {
  display: none;
  min-height: 2.45rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0 0.8rem;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

main {
  display: grid;
  gap: 0;
}

.hero {
  position: relative;
  min-height: 650px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(248, 250, 246, 0.98) 0%, rgba(248, 250, 246, 0.91) 38%, rgba(248, 250, 246, 0.42) 70%, rgba(248, 250, 246, 0.08) 100%),
    linear-gradient(180deg, rgba(248, 250, 246, 0.22), rgba(248, 250, 246, 0.72));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(var(--maxw), calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 6rem 0 4.4rem;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1,
.section h2 {
  margin: 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  line-height: 1.04;
}

.hero h1 {
  max-width: 740px;
  font-size: 4.15rem;
}

.hero-lede {
  max-width: 650px;
  margin: 1.45rem 0 0;
  color: var(--graphite);
  font-size: 1.18rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  min-height: 2.85rem;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0.7rem 1rem;
  font-size: 0.94rem;
  font-weight: 850;
  text-decoration: none;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.btn-primary {
  background: var(--green-dark);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(12, 77, 52, 0.22);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #093d2a;
}

.btn-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.72);
  color: var(--green-dark);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--green);
  background: #eff6f0;
}

.section {
  width: min(var(--maxw), calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 5rem 0;
}

.section-muted {
  background: var(--surface-soft);
  box-shadow: 0 0 0 100vmax var(--surface-soft);
  clip-path: inset(0 -100vmax);
}

.section-kicker {
  max-width: 760px;
  margin-bottom: 2.2rem;
}

.section h2 {
  font-size: 2.6rem;
}

.profile-layout,
.contact-section,
.recognition-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.85fr);
  gap: 3rem;
  align-items: start;
}

.prose {
  max-width: 760px;
  color: var(--graphite);
  font-size: 1.04rem;
}

.prose p,
.contact-intro p {
  margin: 0 0 1rem;
}

.prose p:last-child,
.contact-intro p:last-child {
  margin-bottom: 0;
}

.fact-panel {
  border-left: 3px solid var(--green);
  padding: 0.2rem 0 0.2rem 1.35rem;
}

.fact-panel dl,
.fact-panel dt,
.fact-panel dd {
  margin: 0;
}

.fact-panel dl {
  display: grid;
  gap: 1.15rem;
}

.fact-panel dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.fact-panel dd {
  margin-top: 0.22rem;
  color: var(--ink);
  font-weight: 750;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.theme-card {
  min-height: 12rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 1.2rem;
  background: var(--surface);
  box-shadow: 0 10px 28px rgba(23, 33, 27, 0.05);
}

.theme-card h3,
.project-panel h3,
.publication-list h3,
.recognition-grid h3,
.contact-form-wrap h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.2;
}

.theme-card h3 {
  font-size: 1.15rem;
}

.theme-card p {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.fingerprint {
  display: grid;
  grid-template-columns: 13rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  margin-top: 2rem;
  border-top: 1px solid var(--line-strong);
  padding-top: 1.3rem;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chip-list li {
  border: 1px solid #cbded0;
  border-radius: var(--radius);
  padding: 0.45rem 0.65rem;
  background: #f9fbf7;
  color: var(--green-dark);
  font-size: 0.86rem;
  font-weight: 800;
}

.project-panel {
  display: grid;
  grid-template-columns: minmax(13rem, 0.7fr) minmax(0, 1.3fr);
  gap: 1.5rem;
  align-items: start;
  margin-top: 1rem;
  border-top: 1px solid var(--line-strong);
  padding-top: 1.4rem;
}

.project-panel h3 {
  font-size: 1.35rem;
}

.project-list {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.project-list li {
  position: relative;
  padding-left: 1rem;
  color: var(--graphite);
}

.project-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68rem;
  width: 0.36rem;
  height: 0.36rem;
  border-radius: 50%;
  background: var(--cyan);
}

.split-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.8rem;
}

.split-heading h2 {
  margin-top: 0;
}

.text-link {
  color: var(--green-dark);
  font-weight: 850;
  text-decoration-color: rgba(18, 107, 69, 0.35);
  text-underline-offset: 0.18em;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--green);
  outline: none;
  text-decoration-color: currentColor;
}

.publication-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.publication-list li {
  border-top: 1px solid var(--line);
  padding: 1.35rem 0;
}

.publication-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.pub-meta {
  margin: 0 0 0.35rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.publication-list h3 {
  max-width: 900px;
  font-size: 1.18rem;
}

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

.publication-list h3 a:hover,
.publication-list h3 a:focus-visible {
  color: var(--green);
  outline: none;
}

.publication-list article p:last-child {
  max-width: 720px;
  margin: 0.55rem 0 0;
  color: var(--muted);
}

.recognition-grid article {
  border-top: 3px solid var(--green);
  padding-top: 1rem;
}

.recognition-grid h3,
.contact-form-wrap h3 {
  font-size: 1.25rem;
}

.clean-list,
.timeline {
  display: grid;
  gap: 0.85rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.clean-list li,
.timeline li {
  color: var(--graphite);
}

.clean-list li {
  position: relative;
  padding-left: 1.05rem;
}

.clean-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68rem;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 50%;
  background: var(--amber);
}

.timeline li {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr);
  gap: 1rem;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 0.85rem;
}

.timeline li:last-child {
  border-bottom: 0;
}

.timeline span {
  color: var(--green-dark);
  font-weight: 850;
}

.contact-section {
  align-items: start;
}

.contact-intro h2 {
  margin-bottom: 1rem;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  margin-top: 1.8rem;
}

.link-grid a {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0.75rem 0.85rem;
  background: var(--surface);
  color: var(--green-dark);
  font-weight: 850;
  text-decoration: none;
}

.link-grid a:hover,
.link-grid a:focus-visible {
  border-color: var(--green);
  background: #eff6f0;
  outline: none;
}

.contact-form-wrap {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 1.2rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.contact-form {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
  color: var(--graphite);
  font-size: 0.9rem;
  font-weight: 850;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0.72rem 0.78rem;
  background: #fbfcfa;
  color: var(--ink);
  outline: none;
}

.contact-form textarea {
  min-height: 9rem;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 4px var(--ring);
}

.contact-form button {
  width: 100%;
  cursor: pointer;
}

.contact-form button:disabled {
  cursor: wait;
  opacity: 0.68;
  transform: none;
}

.cf-turnstile {
  min-height: 65px;
}

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

.form-status {
  min-height: 1.5rem;
  margin: 0.75rem 0 0.35rem;
  font-weight: 850;
}

.form-status.is-success {
  color: var(--success);
}

.form-status.is-error {
  color: var(--danger);
}

.form-note {
  margin: 0.25rem 0 0;
  font-size: 0.86rem;
}

.form-note a {
  color: var(--green-dark);
  font-weight: 800;
}

.site-footer {
  width: min(var(--maxw), calc(100% - 2.5rem));
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding: 1.6rem 0 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1040px) {
  .hero {
    min-height: 610px;
  }

  .hero h1 {
    max-width: 680px;
    font-size: 3.25rem;
  }

  .theme-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .profile-layout,
  .contact-section,
  .recognition-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 760px) {
  .topbar {
    padding-inline: 1rem;
  }

  .brand {
    font-size: 0.92rem;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
  }

  .menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    padding: 0.45rem;
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .menu.show {
    display: flex;
  }

  .menu a {
    padding: 0.72rem 0.8rem;
  }

  .hero {
    min-height: auto;
  }

  .hero-image {
    object-position: 66% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(248, 250, 246, 0.99) 0%, rgba(248, 250, 246, 0.95) 64%, rgba(248, 250, 246, 0.72) 100%),
      linear-gradient(180deg, rgba(248, 250, 246, 0.32), rgba(248, 250, 246, 0.9));
  }

  .hero-content,
  .section,
  .site-footer {
    width: min(100% - 2rem, var(--maxw));
  }

  .hero-content {
    padding: 4.5rem 0 3rem;
  }

  .hero h1 {
    font-size: 2.35rem;
  }

  .hero-lede {
    font-size: 1.02rem;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .theme-grid,
  .link-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3.5rem 0;
  }

  .section h2 {
    font-size: 2rem;
  }

  .fingerprint,
  .project-panel,
  .publication-list li,
  .timeline li {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

}

@media (max-width: 430px) {
  .brand span:last-child {
    display: none;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .section h2 {
    font-size: 1.75rem;
  }

  .contact-form-wrap {
    padding: 1rem;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}