/* =========================================================
   Nori Tarui — academic homepage
   Tokens
   ========================================================= */
:root {
  --paper: #f7f5f0;
  --paper-alt: #ece5d4;
  --ink: #20262b;
  --ink-soft: #4b5560;
  --navy: #16283a;
  --teal: #2e6c6a;
  --hanko: #a83a2c;
  --line: rgba(22, 40, 58, 0.14);
  --line-strong: rgba(22, 40, 58, 0.28);

  --display: "Fraunces", "Iowan Old Style", ui-serif, Georgia, serif;
  --body: "Source Sans 3", "Inter", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  --max: 780px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
a:hover { color: var(--hanko); }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--hanko);
  outline-offset: 2px;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Hanko signature mark ----------
   A small stamp motif standing in for a seal/chop —
   used at full size once in the hero, and as a bullet
   glyph everywhere lists need a marker. */
.hanko {
  display: inline-block;
  flex: none;
  color: var(--hanko);
}

/* ---------- Nav ---------- */
header.site-nav {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: saturate(140%) blur(6px);
  z-index: 10;
}
header.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--navy);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand:hover { color: var(--navy); }
.brand .hanko { width: 18px; height: 18px; }

nav.links { display: flex; gap: 22px; }
nav.links a {
  color: var(--ink-soft);
  font-size: 0.92rem;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
nav.links a:hover,
nav.links a[aria-current="page"] {
  color: var(--navy);
  border-bottom-color: var(--hanko);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(22,40,58,0.35), rgba(22,40,58,0.55)),
    url("img/ocean_kaimana.jpg") center center / cover no-repeat;
  color: var(--paper);
}
.hero h1, .hero .role-line, .hero .eyebrow {
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}
.hero .wrap {
  position: relative;
  padding-top: 64px;
  padding-bottom: 56px;
}
.hero-flex {
  display: flex;
  align-items: center;
  gap: 32px;
}
.headshot {
  flex: none;
  width: 116px;
  height: 116px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(247, 245, 240, 0.55);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
}
.hero-text { min-width: 0; }
.hero .eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #cfe0dd;
  margin: 0 0 14px;
}
.hero h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  letter-spacing: 0.005em;
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.hero .hanko { width: 36px; height: 36px; }
.hero .role-line {
  font-size: 1.05rem;
  color: #dbe6e4;
  max-width: 56ch;
  margin: 0 0 22px;
}
.hero .cta-row { display: flex; gap: 16px; flex-wrap: wrap; }
.hero .cta-row a {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--paper);
  border: 1px solid rgba(247,245,240,0.4);
  border-radius: 3px;
  padding: 7px 12px;
  text-decoration: none;
}
.hero .cta-row a:hover {
  border-color: var(--hanko);
  color: var(--paper);
  background: rgba(168,58,44,0.25);
}

/* ---------- Sections ---------- */
main section {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}
main section:last-of-type { border-bottom: none; }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 22px;
}
.section-head .hanko { width: 13px; height: 13px; }
h2.section-title {
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--navy);
  margin: 0;
}

.affil-list { list-style: none; margin: 0; padding: 0; }
.affil-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 7px 0;
  border-bottom: 1px dashed var(--line);
}
.affil-list li:last-child { border-bottom: none; }
.affil-list .hanko { width: 12px; height: 12px; margin-top: 5px; }
.affil-list .role { font-weight: 600; color: var(--ink); }
.affil-list .org a { color: var(--ink-soft); }
.affil-list .org a:hover { color: var(--hanko); }

.lede {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 62ch;
}

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.tag {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--teal);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 3px 11px;
  background: var(--paper-alt);
}

.btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 18px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 9px 14px;
  border-radius: 3px;
  text-decoration: none;
  border: 1px solid var(--navy);
  color: var(--navy);
}
.btn:hover { background: var(--navy); color: var(--paper); }
.btn.primary { background: var(--hanko); border-color: var(--hanko); color: var(--paper); }
.btn.primary:hover { background: #8c3125; border-color: #8c3125; }

/* ---------- Publications / project lists ---------- */
.pub-group { margin-bottom: 30px; }
.pub-group h3 {
  font-family: var(--mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teal);
  margin: 0 0 14px;
}
ol.pub-list, ul.pub-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: pub;
}
ol.pub-list li, ul.pub-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.96rem;
}
ol.pub-list li:last-child, ul.pub-list li:last-child { border-bottom: none; }
.pub-list .yr {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-right: 2px;
}
.pub-list .venue { font-style: italic; color: var(--ink-soft); }
.pub-note { font-size: 0.88rem; color: var(--ink-soft); margin: 3px 0 0 0; }

/* ---------- Teaching term blocks ---------- */
.term {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.term:last-child { border-bottom: none; }
.term h3 {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
  margin: 0 0 4px;
}
.term .office-hours { font-size: 0.9rem; color: var(--ink-soft); margin: 0 0 10px; }
.course { margin: 6px 0; font-size: 0.96rem; }
.course .code { font-family: var(--mono); color: var(--hanko); margin-right: 6px; }

/* ---------- Footer ---------- */
footer {
  padding: 34px 0 50px;
  color: var(--ink-soft);
  font-size: 0.88rem;
}
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
footer a { color: var(--ink-soft); }
footer a:hover { color: var(--hanko); }

@media (max-width: 640px) {
  nav.links { gap: 14px; }
  .hero h1 { gap: 10px; }
  .hero-flex { flex-direction: column; align-items: flex-start; gap: 18px; }
  .headshot { width: 88px; height: 88px; }
  footer .wrap { flex-direction: column; }
}