:root {
  --ink: #14181f;
  --ink-soft: rgba(20, 24, 31, 0.66);
  --ink-faint: rgba(20, 24, 31, 0.45);
  --paper: #faf9f6;
  --panel: #ffffff;
  --accent: #a8391c;
  --accent-strong: #832910;
  --on-dark: #f5f1e8;
  --on-dark-soft: rgba(245, 241, 232, 0.7);
  --line: rgba(20, 24, 31, 0.12);
  --line-soft: rgba(20, 24, 31, 0.08);
  --max-width: 1040px;
  --measure: 62ch;
  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-sans: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--accent);
  color: var(--on-dark);
  padding: 0.6rem 1rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 2px;
  transition: top 0.15s var(--ease-out);
  z-index: 100;
}

.skip-link:focus {
  top: 1rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

a {
  color: var(--ink);
}

a:focus-visible,
button:focus-visible,
.nav-links a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.measure {
  max-width: var(--measure);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250, 249, 246, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 1.5rem;
}

.brand {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.9rem;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-links a.is-active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
}

/* Hero */

.hero {
  padding: 4.5rem 1.5rem 3rem;
}

.hero-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.25rem;
}

.hero-photo-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  flex: 0 0 auto;
}

.hero-photo {
  width: 240px;
  height: 300px;
  border-radius: 8px;
  object-fit: cover;
  flex: 0 0 auto;
  box-shadow: 0 16px 32px -18px rgba(168, 57, 28, 0.4);
}

.icon-links {
  list-style: none;
  display: flex;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
}

.icon-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink-faint);
  transition: color 0.15s ease, border-color 0.15s ease;
}

.icon-links a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.icon {
  width: 17px;
  height: 17px;
}

.hero-content {
  flex: 1 1 auto;
  min-width: 0;
}

.eyebrow {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(2.75rem, 6vw, 4.25rem);
  line-height: 1.05;
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}

.tagline {
  color: var(--ink);
  font-size: 1.2rem;
  max-width: 40rem;
  margin: 0 0 0.85rem;
}

.tagline a {
  color: var(--accent);
  font-weight: 600;
  text-decoration-color: var(--accent-strong);
}

.hero-meta {
  font-size: 0.92rem;
  color: var(--ink-faint);
  margin: 0 0 1.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.4rem;
  border-radius: 2px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.15s var(--ease-out), box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--on-dark);
  border: 1px solid var(--accent);
}

.btn-primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  transform: translateY(-1px);
  box-shadow: 0 10px 22px -12px rgba(168, 57, 28, 0.45);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-ghost-on-panel {
  background: transparent;
  color: var(--on-dark);
  border: 1px solid rgba(245, 241, 232, 0.35);
}

.btn-ghost-on-panel:hover {
  border-color: var(--on-dark);
}

/* Sections */

.section {
  padding: 2.75rem 1.5rem;
  border-top: 1px solid var(--line);
}

.section-compact {
  padding: 1.85rem 1.5rem;
}

h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.9rem;
  margin: 0 0 1.1rem;
  letter-spacing: -0.01em;
}

.lead {
  color: var(--ink-soft);
  font-size: 1.02rem;
  margin: -0.25rem 0 1.25rem;
}

/* About */

.about-grid {
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
  flex-wrap: wrap;
}

.about-grid .measure {
  flex: 1 1 30rem;
}

.about-facts {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  flex: 0 0 auto;
  min-width: 14rem;
  border-left: 1px solid var(--line);
  padding-left: 1.75rem;
  margin: 0;
}

.about-fact dt {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  margin-bottom: 0.3rem;
}

.about-fact dd {
  margin: 0;
  font-weight: 600;
  font-size: 0.95rem;
}

.muted {
  color: var(--ink-faint);
  font-size: 0.95rem;
}

/* Mantias — elevated panel */

.section-mantias {
  padding: 2.25rem 0;
}

.mantias-panel {
  background: var(--ink);
  color: var(--on-dark);
  border-radius: 6px;
  padding: 2.5rem;
}

.mantias-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
}

.mantias-top h2 {
  margin-bottom: 0;
}

.mantias-mark {
  width: 2.75rem;
  height: auto;
  flex-shrink: 0;
  color: var(--on-dark);
}

.eyebrow-on-panel {
  color: var(--accent);
}

.mantias-panel h2 {
  color: var(--on-dark);
}

.pull-quote {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.6rem;
  color: var(--on-dark);
  margin: 0 0 1.25rem;
  max-width: 26rem;
}

.pull-quote .nowrap {
  white-space: nowrap;
}

.mantias-body {
  display: flex;
  gap: 2.25rem;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.mantias-body .measure {
  color: var(--on-dark-soft);
  flex: 1 1 26rem;
}

.mantias-body .measure em {
  font-style: normal;
  font-weight: 600;
  color: var(--on-dark);
}

.mantias-stat {
  display: flex;
  flex-direction: column;
  border-left: 1px solid rgba(245, 241, 232, 0.2);
  padding-left: 1.75rem;
  flex: 0 0 auto;
}

.stat-value {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--on-dark-soft);
  margin-top: 0.5rem;
  max-width: 9rem;
}

.mantias-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.mantias-actions .btn-primary:hover {
  box-shadow: 0 10px 22px -12px rgba(168, 57, 28, 0.65);
}

/* Research */

.research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.research-item h3 {
  font-size: 1.02rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.research-item p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* Publications */

.pub-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.pub-list li {
  padding: 0.75rem 0;
  border-top: 1px solid var(--line-soft);
}

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

.pub-line {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.pub-title {
  display: block;
  font-weight: 600;
  font-size: 0.98rem;
}

.pub-badge {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
}

.pub-meta {
  display: block;
  color: var(--ink-faint);
  font-size: 0.88rem;
  margin-top: 0.25rem;
}

.pub-meta em {
  font-style: normal;
  font-weight: 600;
  color: var(--ink-soft);
}

/* Contact */

.contact-icons {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.75rem;
}

.contact-icons a {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
}

.contact-icons .icon {
  color: var(--ink-faint);
  transition: color 0.15s ease;
}

.contact-icons a:hover {
  color: var(--accent);
}

.contact-icons a:hover .icon {
  color: var(--accent);
}

.contact-icons .muted {
  font-weight: 400;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0;
  color: var(--ink-faint);
  font-size: 0.85rem;
}

/* Responsive */

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 1rem 1.5rem;
    gap: 1rem;
    display: none;
  }

  .nav-links.is-open {
    display: flex;
  }

  .research-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .mantias-panel {
    padding: 2rem 1.5rem;
  }

  .mantias-stat {
    border-left: none;
    border-top: 1px solid rgba(245, 241, 232, 0.2);
    padding-left: 0;
    padding-top: 1rem;
  }

  .about-facts {
    border-left: none;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 1rem;
    flex-direction: column;
    min-width: 0;
    width: 100%;
    gap: 1rem;
  }

  .hero-grid {
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .hero-photo {
    width: 160px;
    height: 200px;
  }
}

@media (max-width: 380px) {
  .pull-quote .nowrap {
    white-space: normal;
  }
}

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

  * {
    transition-duration: 0.01ms !important;
  }
}