/* ==========================================================================
   Field-notebook design system
   Palette drawn from the Pajarito Plateau: sage-tinted paper, juniper ink,
   chamisa gold, moss green. Edit the variables below to retune the site.
   ========================================================================== */

:root {
  --paper: #f8f5e9;      /* sage-tinted bone, brightened */
  --ink: #223224;        /* juniper ink */
  --moss: #3d8a5c;       /* piñon-juniper green, more vivid */
  --gold: #96721a;       /* chamisa gold, dark enough for text */
  --gold-bright: #dba931;/* chamisa gold, decorative */
  --accent: #d9622f;     /* New Mexico sunset terracotta, for flourishes */
  --hairline: #dfd9bd;   /* faded pencil rule */
  --max-width: 44rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 500px at 15% -10%, rgba(217, 98, 47, 0.07), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(61, 138, 92, 0.08), transparent 55%),
    var(--paper);
  color: var(--ink);
  font-family: "Newsreader", Georgia, "Times New Roman", serif;
  font-size: 1.125rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ---- Layout ---- */

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

main { padding-bottom: 4rem; }

/* ---- Header & navigation ---- */

header.site {
  padding: 2rem 0 0;
}

.nav-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.wordmark {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--moss);
  text-decoration: none;
  transition: color 200ms ease, letter-spacing 200ms ease;
}

.wordmark:hover {
  color: var(--accent);
  letter-spacing: 0.16em;
}

nav.primary {
  display: flex;
  gap: 1.5rem;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

nav.primary a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 160ms ease, color 160ms ease;
}

nav.primary a:hover { border-color: var(--accent); color: var(--accent); }

nav.primary a[aria-current="page"] {
  color: var(--gold);
  border-color: var(--gold-bright);
}

/* ---- Contour band (signature element) ---- */

.contours {
  display: block;
  width: 100%;
  height: auto;
  margin: 2.5rem 0 0;
  color: var(--moss);
  opacity: 0.6;
  animation: drift 16s ease-in-out infinite;
}

@keyframes drift {
  0%, 100% { color: var(--moss); }
  50% { color: var(--accent); }
}

@media (prefers-reduced-motion: reduce) {
  .contours { animation: none; }
}

/* ---- Hero ---- */

.hero { padding: 3rem 0 1rem; }

/* Modifier for heroes that include a headshot (About page) */
.hero--photo {
  position: relative;
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  text-align: center;
  gap: 1.25rem;
}

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

.hero-photo {
  flex-shrink: 0;
  width: 168px;
  height: 168px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--paper);
  box-shadow: 0 0 0 2px var(--hairline);
  animation: rise 700ms ease both;
}

/* On wide screens there's margin outside the text column for the
   photo to spill into, so it can pop out instead of sitting inline. */
@media (min-width: 900px) {
  .hero--photo {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    gap: 0;
  }

  .hero-photo {
    position: absolute;
    top: 2rem;
    left: 100%;
    margin-left: 2.5rem;
    width: 200px;
    height: 200px;
  }
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 0.75rem;
}

.role {
  font-style: italic;
  font-size: 1.3rem;
  color: var(--moss);
  margin: 0 0 1.5rem;
}

/* Gentle fade-up on load */
.hero-text > * {
  animation: rise 700ms ease both;
}
.hero-text > *:nth-child(2) { animation-delay: 90ms; }
.hero-text > *:nth-child(3) { animation-delay: 180ms; }

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-text > *, .hero-photo { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---- Sections ---- */

section { margin-top: 3.5rem; }

.eyebrow {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 0.9em;
  height: 2px;
  background: var(--accent);
}

h2 {
  font-size: 1.7rem;
  font-weight: 500;
  margin: 0 0 1rem;
}

a {
  color: var(--gold);
  text-decoration-color: var(--gold-bright);
  text-underline-offset: 3px;
  transition: color 160ms ease;
}

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

:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 3px;
}

/* ---- Timeline (roadmap) ---- */

.timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.5rem;
  border-left: 2px solid var(--hairline);
}

.timeline li {
  position: relative;
  padding: 0 0 2rem 1.25rem;
}

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

.timeline > li::before {
  content: "";
  position: absolute;
  left: -1.65rem;
  top: 0.4rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--paper);
}

.timeline h3 {
  font-size: 1.2rem;
  font-weight: 500;
  margin: 0.2rem 0 0.1rem;
}

.timeline .meta {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--moss);
}

.timeline p { margin: 0.5rem 0 0; }

.timeline li ol li {
  padding-bottom: 0.25rem;
}

/* ---- Education list ---- */

.degrees {
  list-style: none;
  margin: 0;
  padding: 0;
}

.degrees li {
  padding: 1rem 0 1rem 0.75rem;
  border-top: 1px solid var(--hairline);
  border-left: 2px solid transparent;
  transition: border-left-color 200ms ease, padding-left 200ms ease;
}

.degrees li:hover {
  border-left-color: var(--accent);
  padding-left: 1.1rem;
}

.degrees li:last-child { border-bottom: 1px solid var(--hairline); }

.degrees .meta {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--moss);
  display: block;
  margin-top: 0.2rem;
}

/* ---- Publications (field-journal entries) ---- */

article.pub {
  padding: 2.25rem 0 2.25rem 0.75rem;
  border-top: 1px solid var(--hairline);
  border-left: 2px solid transparent;
  transition: border-left-color 200ms ease, padding-left 200ms ease;
}

article.pub:hover {
  border-left-color: var(--accent);
  padding-left: 1.1rem;
}

article.pub:last-of-type { border-bottom: 1px solid var(--hairline); }

.pub--clickable { cursor: pointer; }

.pub .meta {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--moss);
  margin: 0 0 0.4rem;
}

.pub h3 {
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.35;
  margin: 0 0 0.75rem;
}

.pub p { margin: 0 0 0.75rem; }

.pub .links {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.8rem;
}

.pub-figure {
  margin: 1.25rem 0 0;
  max-width: 100%;
}

.pub-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--hairline);
  background: var(--paper);
  padding: 0.75rem;
  mix-blend-mode: multiply;
}

.pub-figure-placeholder {
  aspect-ratio: 16 / 9;
  border: 1px dashed var(--hairline);
  background: rgba(61, 138, 92, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--moss);
}

.pub-figure figcaption {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--moss);
  margin-top: 0.5rem;
}

/* ---- Personal page ---- */

.figure {
  margin: 2rem 0;
}

.figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--hairline);
}

.figure figcaption {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--moss);
  margin-top: 0.5rem;
}

/* ---- Footer ---- */

footer.site {
  border-top: 1px solid var(--hairline);
  margin-top: 4rem;
  padding: 1.5rem 0 2.5rem;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--moss);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

footer.site a { color: var(--moss); }

/* ---- Small screens ---- */

@media (max-width: 480px) {
  body { font-size: 1.05rem; }
  .hero { padding-top: 2rem; }
}