/* ===========================================================
   Design tokens
=========================================================== */
:root{
  --ink:        #14243A;
  --ink-soft:   #1E344E;
  --cream:      #EFE8D8;
  --cream-dim:  #E5DCC7;
  --brass:      #A8823C;
  --brass-lt:   #C9A15E;
  --verdigris:  #4E6B5C;
  --signal:     #B23A2E;
  --text-on-cream: #1B1B18;
  --text-on-ink:   #EFE8D8;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Source Serif 4", Georgia, serif;
  --font-mono: "IBM Plex Mono", monospace;

  --max: 1100px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--cream);
  color: var(--text-on-cream);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

h1,h2,h3{
  font-family: var(--font-display);
  color: var(--ink);
  margin: 0 0 0.4em;
  font-weight: 600;
}

a{ color: inherit; }

.muted{ color: #6b6455; font-style: normal; }

/* ===========================================================
   Signature element: the route line
=========================================================== */
.route-line{
  position: absolute;
  top: 620px;
  left: 50%;
  width: 2px;
  height: calc(100% - 620px);
  background: repeating-linear-gradient(
    to bottom,
    var(--brass) 0px, var(--brass) 6px,
    transparent 6px, transparent 14px
  );
  transform: translateX(-1px);
  z-index: 0;
  pointer-events: none;
}
@media (max-width: 760px){
  .route-line{ display:none; }
}

.pin{
  position:absolute;
  left:-9999px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--signal);
  border: 3px solid var(--cream);
  box-shadow: 0 0 0 1px var(--signal);
}
@media (min-width: 761px){
  .waypoint{ position: relative; }
  .waypoint .pin{
    left: 50%;
    top: 64px;
    transform: translateX(-50%);
  }
}

/* ===========================================================
   Header
=========================================================== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(239,232,216,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(20,36,58,0.12);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  height: 68px;
}
.brand{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration:none;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.main-nav ul{
  list-style:none;
  display:flex;
  gap: 28px;
  margin:0;
  padding:0;
}
.main-nav a{
  text-decoration:none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.main-nav a:hover{
  color: var(--brass);
  border-bottom-color: var(--brass);
}
.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding: 8px;
}
.nav-toggle span{
  width: 22px;
  height: 2px;
  background: var(--ink);
  display:block;
}

@media (max-width: 760px){
  .nav-toggle{ display:flex; }
  .main-nav ul{
    position:absolute;
    top: 68px;
    left:0; right:0;
    flex-direction:column;
    background: var(--cream);
    padding: 16px 32px 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(20,36,58,0.12);
    display:none;
  }
  .main-nav ul.open{ display:flex; }
}

/* ===========================================================
   Hero
=========================================================== */
.hero{
  position:relative;
  background: var(--ink);
  color: var(--text-on-ink);
  padding: 96px 0 120px;
  overflow: hidden;
}
.hero-inner{ max-width: 640px; position: relative; z-index: 2; }
.coord{
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--brass-lt);
  margin: 0 0 20px;
  text-transform: uppercase;
}
.hero h1{
  color: var(--text-on-ink);
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  line-height: 1.03;
  margin-bottom: 0.3em;
}
.hero-role{
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: #C9C2AC;
  margin: 0 0 28px;
}
.hero-tagline{
  font-size: 1.1rem;
  color: var(--text-on-ink);
  max-width: 52ch;
  margin: 0 0 36px;
}
.hero-links{ display:flex; gap: 16px; flex-wrap: wrap; }

.btn{
  display:inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration:none;
  padding: 14px 24px;
  border-radius: 2px;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn-primary{
  background: var(--brass);
  color: var(--ink);
}
.btn-primary:hover{ background: var(--brass-lt); transform: translateY(-1px); }
.btn-ghost{
  border: 1px solid rgba(239,232,216,0.4);
  color: var(--text-on-ink);
}
.btn-ghost:hover{ border-color: var(--brass-lt); color: var(--brass-lt); }

.compass{
  position:absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 420px;
  height: 420px;
  color: rgba(239,232,216,0.14);
  z-index: 1;
}
.compass-label{
  font-family: var(--font-mono);
  font-size: 10px;
  fill: rgba(239,232,216,0.4);
}
@media (max-width: 900px){
  .compass{ width: 280px; height: 280px; right: -80px; }
}
@media (max-width: 600px){
  .compass{ display:none; }
}

/* ===========================================================
   Sections
=========================================================== */
.section{
  padding: 88px 0;
  position: relative;
  z-index: 2;
}
.section.alt{ background: var(--cream-dim); }

.section-head{
  margin-bottom: 40px;
  text-align: center;
  position: relative;
}
.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0 0 6px;
}
.section-head h2{ font-size: 2rem; margin:0; }
.section-intro{
  max-width: 62ch;
  margin: 0 auto 40px;
  text-align:center;
  color: #3d3a33;
}
.section-note{
  max-width: 72ch;
  margin: 36px auto 0;
  font-size: 0.95rem;
  color: #565046;
  border-top: 1px solid rgba(20,36,58,0.14);
  padding-top: 24px;
}

.two-col{
  display:grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 760px){
  .two-col{ grid-template-columns: 1fr; }
}
.col-main p{ margin: 0 0 18px; }

.credentials{ margin:0; }
.credentials > div{
  padding: 16px 0;
  border-top: 1px solid rgba(20,36,58,0.14);
}
.credentials dt{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 6px;
}
.credentials dd{ margin:0; }

.card-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.card-grid.three{ grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px){
  .card-grid, .card-grid.three{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px){
  .card-grid, .card-grid.three{ grid-template-columns: 1fr; }
}
.card{
  background: var(--cream);
  border: 1px solid rgba(20,36,58,0.14);
  padding: 24px;
}
.section.alt .card{ background: var(--cream); }
.card-num{
  font-family: var(--font-mono);
  color: var(--verdigris);
  font-size: 0.85rem;
  margin: 0 0 12px;
}
.card h3{ font-size: 1.05rem; margin-bottom: 10px; }
.card p{ margin:0; font-size: 0.95rem; color: #3d3a33; }

/* Tools list */
.tool-list{ display:flex; flex-direction:column; gap: 2px; }
.tool-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 24px;
  text-decoration:none;
  color: var(--text-on-cream);
  background: var(--cream);
  border: 1px solid rgba(20,36,58,0.14);
  padding: 24px 28px;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.tool-row:hover{ background: var(--cream-dim); border-color: var(--brass); }
.tool-row-static{ cursor: default; }
.tool-row-static:hover{ background: var(--cream); border-color: rgba(20,36,58,0.14); }
.tool-row-primary{ border-color: var(--brass); border-width: 2px; }
.inline-link{ color: var(--brass); text-decoration: underline; }
.tool-text h3{ font-size: 1.1rem; margin-bottom: 6px; display:flex; align-items:center; gap:10px; }
.tool-meta{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--verdigris);
  margin: 0 0 8px !important;
}
.why-section p{ max-width: 72ch; }
.why-section p:not(:last-child){ margin-bottom: 16px; }
.tool-text p{ margin:0; font-size: 0.95rem; color: #3d3a33; max-width: 60ch; }
.tool-arrow{ font-size: 1.4rem; color: var(--brass); flex-shrink:0; }
.tag{
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--verdigris);
  color: var(--cream);
  padding: 3px 8px;
  border-radius: 2px;
}

/* Contact */
.contact{
  background: var(--ink);
  color: var(--text-on-ink);
  text-align:center;
}
.contact h2{ color: var(--text-on-ink); }
.contact .coord{ color: var(--brass-lt); }
.contact-lede{ color:#C9C2AC; margin-bottom: 28px; }
.contact-note{
  margin-top: 18px;
  font-size: 0.82rem;
  color: #786f5b;
}

/* Footer */
.site-footer{
  background: var(--ink);
  color: #8b8570;
  border-top: 1px solid rgba(239,232,216,0.12);
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap: 10px;
  padding: 28px 0;
  font-size: 0.85rem;
}
.footer-links a{ color: #8b8570; text-decoration:none; }
.footer-links a:hover{ color: var(--brass-lt); }
.footer-email{ color: #8b8570; text-decoration: underline; }
.footer-email:hover{ color: var(--brass-lt); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .btn{ transition:none; }
}

/* Focus visibility */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

/* ===========================================================
   Landing page
=========================================================== */
.landing-body{ background: var(--ink); }
.landing{
  min-height: 100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 60px 24px;
}
.landing-inner{
  max-width: 560px;
  text-align:center;
}
.landing .coord{ justify-content:center; display:block; }
.landing-photo{
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--brass);
  margin: 0 auto 28px;
  display:block;
  filter: grayscale(1);
}
.landing h1{
  color: var(--text-on-ink);
  font-size: clamp(2.2rem, 6vw, 3rem);
  line-height: 1.05;
}
.landing .hero-role{
  color: #C9C2AC;
  margin-bottom: 40px;
}
.landing-nav{
  display:flex;
  flex-direction:column;
  gap: 2px;
  margin-bottom: 44px;
  border-top: 1px solid rgba(239,232,216,0.16);
}
.landing-link{
  display:flex;
  align-items:center;
  gap: 18px;
  text-decoration:none;
  color: var(--text-on-ink);
  padding: 18px 8px;
  border-bottom: 1px solid rgba(239,232,216,0.16);
  transition: background 0.15s ease, padding-left 0.15s ease;
  font-family: var(--font-display);
  font-size: 1.2rem;
}
.landing-link:hover{
  background: rgba(239,232,216,0.05);
  padding-left: 16px;
}
.landing-link-label{
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--brass-lt);
}
.external-links{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap: 8px 4px;
  margin:0;
  padding:0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.external-links li:not(:last-child)::after{
  content: "\00b7";
  margin-left: 12px;
  color: #6b6455;
}
.external-links a{
  text-decoration:none;
  color: var(--brass-lt);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
.external-links a:hover{ border-bottom-color: var(--brass-lt); }
.external-links a.link-pending{
  color: #6b6455;
  cursor: not-allowed;
}
.landing-footer{ background: transparent; border-top: none; }
.landing-footer .footer-inner{ justify-content:center; text-align:center; flex-direction:column; }

/* ===========================================================
   Inner pages (bio / cv / experiential learning)
=========================================================== */
.main-nav a.active{
  color: var(--brass);
  border-bottom-color: var(--brass);
}
.page-hero{
  padding-top: 64px;
  padding-bottom: 40px;
}
.page-hero h1{ font-size: clamp(2rem, 5vw, 2.8rem); }
.section-intro.left{ text-align:left; margin-left:0; }
.cv-hero-actions{ display:flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }
.cv-hero-actions .btn{
  width: 200px;
  height: 50px;
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align: center;
  line-height: 1;
  border: none;
  box-shadow: none;
}
.btn-ghost-dark{
  color: var(--ink);
}
.cv-hero-actions .btn-ghost-dark{ box-shadow: inset 0 0 0 1px rgba(20,36,58,0.3); }
.cv-hero-actions .btn-ghost-dark:hover{ box-shadow: inset 0 0 0 1px var(--brass); color: var(--brass); }

.bio-photo{
  width: 100%;
  max-width: 240px;
  border-radius: 4px;
  filter: grayscale(1);
  margin-bottom: 24px;
  display:block;
}

.cv-download{ margin: 8px 0 4px; }
.cv-download-note{
  font-size: 0.82rem;
  color: #6b6455;
  margin: 0;
}
.cv-download-note code{
  font-family: var(--font-mono);
  background: rgba(20,36,58,0.08);
  padding: 1px 6px;
  border-radius: 2px;
}
.cv-section.alt{ background: var(--cream-dim); }
.cv-h{
  font-size: 1.4rem;
  border-bottom: 2px solid var(--brass);
  padding-bottom: 10px;
  margin-bottom: 24px;
  display:inline-block;
}
.cv-list{ margin:0; }
.cv-list > div{
  padding: 14px 0;
  border-top: 1px solid rgba(20,36,58,0.14);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap: 8px;
}
.cv-list dt{ font-weight: 600; }
.cv-list dd{ margin:0; text-align:right; color:#3d3a33; }
.cv-date{ font-family: var(--font-mono); font-size: 0.8rem; color: var(--brass); }
.cv-placeholder-note{
  font-size: 0.88rem;
  color: #6b6455;
  background: rgba(178,58,46,0.06);
  border-left: 3px solid var(--signal);
  padding: 12px 16px;
  margin-bottom: 28px;
}
.cv-pub-group{ margin-bottom: 28px; }
.cv-pub-group:last-child{ margin-bottom: 0; }
.cv-pub-group h3{
  font-size: 0.85rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--verdigris);
  margin-bottom: 12px;
  font-weight: 500;
}
.cv-pub-group > p{ margin:0; color:#3d3a33; }
.cv-taglist{
  list-style:none;
  margin: 0;
  padding: 0;
  display:flex;
  flex-direction:column;
  gap: 8px;
}
.cv-taglist li{
  padding-left: 16px;
  position: relative;
  color:#2b2a25;
  font-size: 0.98rem;
}
.cv-taglist li::before{
  content: "";
  position:absolute;
  left:0; top: 0.6em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--brass);
}
.cv-taglist-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
}
@media (max-width: 700px){
  .cv-taglist-grid{ grid-template-columns: 1fr; }
}
.cv-empty{ color:#6b6455; font-style: italic; margin:0; }
.cv-pubs{
  margin:0;
  padding: 0;
  list-style:none;
  display:flex;
  flex-direction:column;
  gap: 14px;
}
.cv-pubs li{
  padding-left: 18px;
  border-left: 2px solid rgba(20,36,58,0.14);
  font-size: 0.96rem;
  color: #2b2a25;
}
.cv-pubs li em{ font-style: italic; color: var(--ink-soft); }
.cv-pubs .tag{ margin-left: 8px; vertical-align: middle; }
.doi-link{
  display: block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  margin-top: 4px;
}
.cv-format{ color: #6b6455; font-size: 0.9rem; }

.footer-external{ justify-content: flex-start; }
@media (max-width: 700px){
  .footer-inner{ flex-direction:column; align-items:flex-start; }
  .footer-external{ justify-content:flex-start; }
  .cv-list > div{
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .cv-list dd{ text-align: left; }
}

/* ===========================================================
   Activity detail blocks (Experiential Learning page)
=========================================================== */
.activity{ padding-top: 64px; padding-bottom: 64px; }
.activity h2{ font-size: clamp(1.6rem, 4vw, 2.2rem); margin-bottom: 6px; }
.activity-meta{
  display:flex;
  flex-wrap:wrap;
  gap: 6px 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--verdigris);
  margin-bottom: 18px;
}
.activity-live{ color: var(--signal); }
.activity-pub{
  font-size: 0.9rem;
  color: #6b6455;
  margin: -6px 0 20px;
}
.activity-hook{
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 68ch;
  margin: 0 0 32px;
}
.activity-h{
  font-size: 1rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--brass);
  margin: 32px 0 12px;
}
.activity > .wrap > p{ max-width: 72ch; }
.activity-steps{
  margin: 0 0 8px;
  padding-left: 0;
  list-style: none;
  counter-reset: step;
  display:flex;
  flex-direction:column;
  gap: 16px;
  max-width: 72ch;
}
.activity-steps li{
  counter-increment: step;
  padding-left: 40px;
  position: relative;
}
.activity-steps li::before{
  content: counter(step);
  position:absolute;
  left:0; top: 1px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--brass);
  border: 1px solid var(--brass);
  width: 24px; height: 24px;
  border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
}
.activity-domains{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 32px;
  margin-bottom: 8px;
}
@media (max-width: 700px){
  .activity-domains{ grid-template-columns: 1fr; }
}
.activity-domains > div{ font-size: 0.95rem; color:#3d3a33; }
.domain-label{
  display:block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-bottom: 4px;
}
.activity-note{
  font-size: 0.88rem;
  color: #6b6455;
  margin: 0 0 8px;
}
.activity-tags{ font-size: 0.98rem; color:#3d3a33; max-width: 72ch; }
.activity-authors{
  margin-top: 32px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.activity-cite{
  font-size: 0.85rem;
  color: #6b6455;
  max-width: 72ch;
  margin-top: 4px;
}
.activity .btn{ margin-top: 24px; }
.activity code{
  font-family: var(--font-mono);
  background: rgba(20,36,58,0.08);
  padding: 1px 6px;
  border-radius: 2px;
  font-size: 0.9em;
}