:root {
  --bg: #f3eee6;
  --surface: rgba(255, 250, 242, 0.82);
  --surface-strong: #fff9f1;
  --ink: #16211d;
  --muted: #5e665e;
  --line: rgba(22, 33, 29, 0.12);
  --accent: #d05d3f;
  --accent-dark: #aa452c;
  --secondary: #1e6a61;
  --secondary-soft: rgba(30, 106, 97, 0.12);
  --shadow: 0 24px 70px rgba(37, 37, 26, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --content-width: min(1160px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 0% 0%, rgba(208, 93, 63, 0.18), transparent 32%),
    radial-gradient(circle at 100% 18%, rgba(30, 106, 97, 0.18), transparent 24%),
    linear-gradient(180deg, #f8f3eb 0%, var(--bg) 100%);
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(22, 33, 29, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 33, 29, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: -2;
}

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

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

.page-glow {
  position: fixed;
  width: 34rem;
  height: 34rem;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.35;
  z-index: -1;
}

.page-glow-left {
  background: rgba(208, 93, 63, 0.22);
  left: -12rem;
  top: 16rem;
}

.page-glow-right {
  background: rgba(30, 106, 97, 0.22);
  right: -12rem;
  top: 40rem;
}

.site-header {
  width: var(--content-width);
  margin: 0 auto;
  padding: 24px 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 10px -16px auto;
  height: calc(100% + 8px);
  background: rgba(248, 243, 235, 0.78);
  border: 1px solid rgba(22, 33, 29, 0.06);
  border-radius: 999px;
  z-index: -1;
}

.brand {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: 20px;
  font-size: 0.95rem;
}

main,
.site-footer {
  width: var(--content-width);
  margin: 0 auto;
}

section {
  margin-top: 56px;
}

.hero {
  min-height: calc(100vh - 120px);
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 28px;
  align-items: center;
  padding: 48px 0 8px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
}

.hero h1,
.section-heading h2 {
  margin: 0;
  font-family: "Instrument Serif", serif;
  font-weight: 400;
  line-height: 0.96;
}

.hero h1 {
  font-size: clamp(3.2rem, 9vw, 6.8rem);
  max-width: 11ch;
}

.hero-summary,
.about-copy p,
.timeline-item p,
.focus-card p,
.publication-card p,
.site-footer p,
.profile-meta p,
.metric-card p,
.credential-card p {
  color: var(--muted);
}

.hero-summary {
  max-width: 60ch;
  font-size: 1.05rem;
  margin: 24px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover,
.button:focus-visible,
.link-card:hover,
.link-card:focus-visible,
.filter-chip:hover,
.filter-chip:focus-visible,
.update-card:hover,
.update-card:focus-within {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--ink);
  color: white;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.55);
  border-color: var(--line);
}

.hero-panel,
.metric-card,
.credential-card,
.timeline-item,
.focus-card,
.publication-card,
.link-card,
.update-card,
.note-card {
  background: var(--surface);
  border: 1px solid rgba(22, 33, 29, 0.09);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero-panel {
  border-radius: var(--radius-lg);
  padding: 28px;
}

.profile-card {
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
}

.profile-orbit {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 320px;
  border-radius: 24px;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.96), rgba(255, 250, 242, 0.55)),
    linear-gradient(135deg, rgba(208, 93, 63, 0.12), rgba(30, 106, 97, 0.08));
  overflow: hidden;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(22, 33, 29, 0.14);
  border-radius: 999px;
}

.orbit-one {
  width: 240px;
  height: 240px;
  animation: spin 18s linear infinite;
}

.orbit-two {
  width: 320px;
  height: 320px;
  animation: spinReverse 24s linear infinite;
}

.profile-mark {
  width: 132px;
  height: 132px;
  display: grid;
  place-items: center;
  border-radius: 30px;
  background: linear-gradient(135deg, var(--ink), #2f3e38);
  color: white;
  font-family: "Instrument Serif", serif;
  font-size: 4rem;
  letter-spacing: 0.02em;
  box-shadow: 0 18px 34px rgba(22, 33, 29, 0.18);
}

.profile-role,
.timeline-label,
.credential-year,
.publication-year,
.publication-meta {
  margin: 0;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.profile-role,
.timeline-label,
.credential-year,
.publication-year {
  color: var(--accent);
  font-weight: 700;
}

.profile-meta h2,
.timeline-item h3,
.focus-card h3,
.publication-card h3,
.credential-card h3,
.update-card h3,
.metric-value {
  margin: 0;
}

.profile-meta h2,
.section-heading h2 {
  font-size: clamp(2.2rem, 5vw, 4rem);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.metric-card {
  padding: 26px;
  border-radius: var(--radius-md);
}

.metric-value {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
  font-weight: 700;
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}

.section-heading-split {
  grid-template-columns: 1fr auto;
  align-items: end;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 24px;
  align-items: start;
}

.about-copy {
  padding: 8px 8px 8px 0;
  font-size: 1.04rem;
}

.credential-stack {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.credential-card,
.timeline-item,
.focus-card,
.publication-card,
.link-card {
  border-radius: var(--radius-md);
  padding: 22px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.timeline-item {
  min-height: 200px;
}

.focus-grid,
.link-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.publication-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.filter-chip {
  border: 1px solid rgba(22, 33, 29, 0.12);
  background: rgba(255, 255, 255, 0.56);
  color: var(--ink);
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.filter-chip.is-active {
  background: var(--secondary);
  color: white;
}

.publication-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.publication-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.publication-card a {
  color: var(--secondary);
  font-weight: 700;
}

.publication-card.is-hidden {
  display: none;
}

.updates-intro {
  max-width: 62ch;
  margin-bottom: 20px;
}

.updates-intro p {
  color: var(--muted);
  margin: 0;
}

.updates-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.updates-grid-full {
  grid-template-columns: repeat(2, 1fr);
}

.update-card,
.note-card {
  border-radius: var(--radius-md);
  padding: 22px;
}

.update-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.update-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.update-date,
.update-type {
  margin: 0;
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.update-date {
  color: var(--accent);
  font-weight: 700;
}

.update-type {
  color: var(--secondary);
  background: var(--secondary-soft);
  border-radius: 999px;
  padding: 6px 10px;
  font-weight: 700;
}

.update-card p,
.note-card p {
  color: var(--muted);
}

.update-card a {
  color: var(--secondary);
  font-weight: 700;
}

.hero-compact {
  min-height: auto;
  padding-top: 72px;
}

.hero-panel-note {
  align-self: stretch;
}

.note-card {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.link-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 150px;
  justify-content: space-between;
}

.link-card span {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.84rem;
  font-weight: 700;
}

.link-card strong {
  font-size: 1.2rem;
  line-height: 1.2;
}

.site-footer {
  padding: 28px 0 48px;
}

.site-footer p {
  margin: 0;
  font-size: 0.95rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes spinReverse {
  from {
    transform: rotate(360deg);
  }
  to {
    transform: rotate(0deg);
  }
}

@media (max-width: 1080px) {
  .hero,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .metrics,
  .timeline,
  .focus-grid,
  .publication-grid,
  .link-cards,
  .updates-grid,
  .updates-grid-full {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  :root {
    --content-width: min(100vw - 24px, 100%);
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding-top: 12px;
  }

  .site-header::before {
    inset: 0 -6px auto;
    border-radius: 28px;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
  }

  .hero-panel {
    padding: 18px;
  }

  .profile-card {
    min-height: auto;
  }

  .profile-orbit {
    min-height: 260px;
  }

  .credential-stack,
  .metrics,
  .timeline,
  .focus-grid,
  .publication-grid,
  .link-cards,
  .updates-grid,
  .updates-grid-full {
    grid-template-columns: 1fr;
  }

  .section-heading-split {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .section-heading h2,
  .profile-meta h2 {
    line-height: 1.02;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0s !important;
  }

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