:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #f8fafc;
  --surface-strong: #f1f5f9;
  --text: #111827;
  --muted: #526071;
  --border: #dfe4ea;
  --accent: #a51d1d;
  --accent-dark: #7f1d1d;
  --accent-soft: #fff1f1;
  --focus: rgba(165, 29, 29, 0.28);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 16px 38px rgba(15, 23, 42, 0.09);
  --radius-sm: 0.55rem;
  --radius: 0.9rem;
  --content: 70rem;
  --reading: 48rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  display: flex;
  min-height: 100svh;
  flex-direction: column;
  min-width: 18rem;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

main {
  flex: 1 0 auto;
  min-height: 55vh;
}

h1,
h2,
h3 {
  color: var(--text);
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.2;
  text-wrap: balance;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 3.35rem);
}

h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
}

h3 {
  margin: 0;
  font-size: 1.12rem;
}

p {
  margin: 0 0 1rem;
}

p:last-child {
  margin-bottom: 0;
}

ul,
ol {
  padding-left: 1.35rem;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.09em;
  text-underline-offset: 0.18em;
  overflow-wrap: anywhere;
}

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

a:focus-visible {
  border-radius: 0.2rem;
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

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

address {
  font-style: normal;
}

code,
kbd,
pre,
samp {
  font-family:
    "Cascadia Code", "Roboto Mono", Consolas, monospace;
}

.container {
  width: min(100% - 2.5rem, var(--content));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.6rem;
  left: 0.6rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--accent-dark);
  color: #fff;
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  background: color-mix(in srgb, var(--bg) 91%, transparent);
  backdrop-filter: blur(10px) saturate(1.15);
}

.header-inner {
  display: flex;
  min-height: 4.7rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  flex: 0 0 auto;
  color: var(--text);
  font-family:
    "Cascadia Code", "Roboto Mono", Consolas, monospace;
  font-size: clamp(1.25rem, 2.5vw, 1.8rem);
  font-weight: 600;
  letter-spacing: -0.05em;
  text-decoration: none;
  white-space: nowrap;
}

.brand:hover {
  color: var(--accent-dark);
  text-decoration: none;
}

.nav-toggle,
.nav-toggle-label {
  display: none;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  position: relative;
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
}

.nav-link:hover {
  color: var(--accent-dark);
  text-decoration: none;
}

.nav-link[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.page {
  padding-block: clamp(2.5rem, 6vw, 5rem);
}

.page-header {
  max-width: var(--reading);
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.page-header p {
  max-width: 44rem;
  margin-top: 0.9rem;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.8vw, 1.16rem);
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 0.55rem;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hero {
  display: grid;
  min-height: min(43rem, calc(100svh - 4.7rem));
  align-items: center;
  padding-block: clamp(2.5rem, 7vw, 5.5rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(15rem, 25rem) minmax(0, 1fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
}

.portrait {
  position: relative;
  aspect-ratio: 1;
}

.portrait::before {
  position: absolute;
  z-index: -1;
  inset: 1.2rem -1.2rem -1.2rem 1.2rem;
  border-radius: 50%;
  background: var(--accent-soft);
  content: "";
}

.portrait img {
  width: 100%;
  height: 100%;
  border: 1px solid var(--border);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  object-fit: cover;
}

.intro {
  max-width: 42rem;
}

.intro h1 {
  margin-bottom: 1.2rem;
}

.intro p {
  color: var(--muted);
  font-size: clamp(1.03rem, 1.7vw, 1.16rem);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.5rem;
  padding: 0;
  list-style: none;
}

.chip {
  display: inline-flex;
  min-height: 2.25rem;
  align-items: center;
  padding: 0.32rem 0.68rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
}

.content-card {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  box-shadow: var(--shadow-sm);
}

.content-card > *:last-child {
  margin-bottom: 0;
}

.contact-card {
  max-width: 48rem;
}

.contact-list {
  display: grid;
  gap: 1.6rem;
  margin: 0;
}

.contact-list div {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  gap: 1rem;
}

.contact-list dt {
  font-weight: 750;
}

.contact-list dd {
  margin: 0;
  color: var(--muted);
}

.link-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding: 0;
  list-style: none;
}

.link-card {
  display: block;
  height: 100%;
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  text-decoration: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.link-card strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--accent-dark);
  font-size: 1.08rem;
}

.link-card span {
  color: var(--muted);
}

.link-card:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  box-shadow: var(--shadow-md);
  color: var(--text);
  text-decoration: none;
  transform: translateY(-2px);
}

.publication-list {
  display: grid;
  gap: 1rem;
  padding: 0;
  list-style: none;
}

.publication {
  padding: 1.15rem 1.25rem;
  border-left: 3px solid var(--accent);
  background: var(--surface);
}

.publication-title {
  font-weight: 750;
}

.publication-meta,
.empty-state {
  color: var(--muted);
}

.empty-state {
  max-width: var(--reading);
  padding: 1.2rem 1.35rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.site-footer {
  padding-block: 2.2rem 3rem;
  border-top: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  align-items: start;
  gap: 1.5rem 2rem;
}

.site-footer h2 {
  margin: 0 0 0.3rem;
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer p {
  margin: 0;
}

.copyright {
  text-align: right;
}

@media (hover: hover) and (pointer: fine) {
  .nav-link::after {
    position: absolute;
    right: 0.7rem;
    bottom: 0.34rem;
    left: 0.7rem;
    height: 2px;
    border-radius: 2px;
    background: var(--accent);
    content: "";
    transform: scaleX(0);
    transition: transform 180ms ease;
  }

  .nav-link:hover::after,
  .nav-link:focus-visible::after {
    transform: scaleX(1);
  }

  .nav-link[aria-current="page"]::after {
    display: none;
  }
}

@media (max-width: 56rem) {
  .hero {
    min-height: auto;
  }

  .hero-grid {
    grid-template-columns: minmax(13rem, 18rem) minmax(0, 1fr);
    gap: 2rem;
  }

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

  .footer-grid .copyright {
    grid-column: 1 / -1;
    text-align: left;
  }
}

@media (max-width: 47.5rem) {
  .container {
    width: min(100% - 2rem, var(--content));
  }

  .header-inner {
    min-height: 4.25rem;
    gap: 0.75rem;
  }

  .site-nav {
    position: relative;
    margin-left: auto;
  }

  .nav-toggle {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
  }

  .nav-toggle-label {
    display: flex;
    min-height: 2.75rem;
    align-items: center;
    gap: 0.6rem;
    padding: 0.45rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    cursor: pointer;
    font-weight: 700;
    user-select: none;
  }

  .nav-toggle:focus-visible + .nav-toggle-label {
    outline: 3px solid var(--focus);
    outline-offset: 3px;
  }

  .menu-icon,
  .menu-icon::before,
  .menu-icon::after {
    display: block;
    width: 1.15rem;
    height: 2px;
    border-radius: 2px;
    background: currentColor;
    content: "";
    transition: transform 160ms ease;
  }

  .menu-icon {
    position: relative;
  }

  .menu-icon::before {
    position: absolute;
    top: -0.35rem;
  }

  .menu-icon::after {
    position: absolute;
    top: 0.35rem;
  }

  .nav-toggle:checked + .nav-toggle-label .menu-icon {
    background: transparent;
  }

  .nav-toggle:checked + .nav-toggle-label .menu-icon::before {
    top: 0;
    transform: rotate(45deg);
  }

  .nav-toggle:checked + .nav-toggle-label .menu-icon::after {
    top: 0;
    transform: rotate(-45deg);
  }

  .nav-toggle:not(:checked) ~ .nav-list {
    display: none;
  }

  .nav-toggle:checked ~ .nav-list {
    position: absolute;
    top: calc(100% + 0.55rem);
    right: 0;
    display: grid;
    width: min(18rem, calc(100vw - 2rem));
    gap: 0.15rem;
    padding: 0.45rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    box-shadow: var(--shadow-md);
  }

  .nav-link {
    display: flex;
    width: 100%;
    min-height: 2.85rem;
    padding-inline: 0.75rem;
  }

  .hero {
    padding-block: 2.5rem 3.5rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 2.25rem;
  }

  .portrait {
    width: min(63vw, 16.5rem);
  }

  .intro {
    text-align: center;
  }

  .chips {
    justify-content: center;
  }

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

  .contact-list div {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

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

  .footer-grid .copyright {
    grid-column: auto;
  }
}

@media (max-width: 28rem) {
  .container {
    width: min(100% - 1.25rem, var(--content));
  }

  .brand {
    font-size: 1.08rem;
  }

  .nav-toggle-label {
    padding-inline: 0.58rem;
  }

  .page {
    padding-block: 2.2rem 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}