:root {
  --paper:      #F5F7F4;
  --paper-2:    #EEF1EC;
  --card:       #FBFCFA;
  --ink:        #16211D;
  --ink-soft:   #4C594F;
  --ink-faint:  #7C877E;
  --line:       #D6DCD3;
  --line-soft:  #E4E8E1;
  --pine:       #17604E;
  --pine-deep:  #0E4234;
  --copper:     #B4652F;
  --copper-soft:#EBD9CA;

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --maxw: 1120px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
}

* { box-sizing: border-box; }

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

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

a { color: inherit; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* ---------- mono utility labels (map-annotation style) ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pine);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--pine);
  opacity: 0.55;
}

/* ============================= NAV ============================= */
header.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
}
.brand {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
}
.brand .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--copper);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--copper) 20%, transparent);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
  font-family: var(--font-mono);
  font-size: 13px;
}
.nav-links a {
  text-decoration: none;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--pine); }
.nav-links a.cv {
  color: var(--paper);
  background: var(--pine);
  padding: 0.4em 0.9em;
  border-radius: 4px;
  transition: background 0.2s ease;
}
.nav-links a.cv:hover { background: var(--pine-deep); }
.nav-links a.hide-sm { display: inline; }
@media (max-width: 620px) {
  .nav-links a.hide-sm { display: none; }
}

/* ============================= HERO ============================= */
.hero {
  position: relative;
  padding-top: clamp(3.5rem, 9vw, 7rem);
  padding-bottom: clamp(3rem, 8vw, 6rem);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-figure { order: -1; max-width: 380px; }
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.8rem, 7.5vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 1.1rem 0 0;
  color: var(--ink);
}
.hero h1 .accent { color: var(--pine); }

.lede {
  font-size: clamp(1.05rem, 2.1vw, 1.3rem);
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 34ch;
  margin: 1.4rem 0 0;
}
.lede strong { color: var(--ink); font-weight: 600; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}
.btn {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  text-decoration: none;
  padding: 0.7em 1.15em;
  border-radius: 5px;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-solid { background: var(--pine); color: var(--paper); }
.btn-solid:hover { background: var(--pine-deep); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--pine); color: var(--pine); }

.hero-meta {
  margin-top: 1.9rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em 1.4em;
}
.hero-meta span { display: inline-flex; align-items: center; gap: 0.45em; }
.hero-meta .pin { color: var(--copper); }

/* --- signature: risk-surface / contour map --- */
.hero-figure { justify-self: center; width: 100%; }
.risk-surface { width: 100%; height: auto; display: block; }
.contour { fill: none; stroke: var(--pine); }
.epicenter-glow { fill: var(--copper); opacity: 0.14; }
.epicenter { fill: var(--copper); }
.fig-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  fill: var(--ink-faint);
  text-transform: uppercase;
}

/* ============================= SECTIONS ============================= */
section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.section-divider { border-top: 1px solid var(--line-soft); }

.section-head { margin-bottom: 2.6rem; }
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  letter-spacing: -0.015em;
  margin: 0.8rem 0 0;
  line-height: 1.1;
}

/* ABOUT */
.about-body {
  max-width: 60ch;
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  line-height: 1.6;
  color: var(--ink);
}
.about-body p { margin: 0 0 1.1rem; }
.about-body p:last-child { margin-bottom: 0; }
.about-body .muted { color: var(--ink-soft); }

/* FOCUS cards */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  overflow: hidden;
}
@media (max-width: 820px) { .focus-grid { grid-template-columns: 1fr; } }
.focus-card {
  background: var(--card);
  padding: clamp(1.5rem, 3vw, 2rem);
}
.focus-card .idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--copper);
  letter-spacing: 0.1em;
}
.focus-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.22rem;
  margin: 0.9rem 0 0.6rem;
  line-height: 1.2;
}
.focus-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.55;
}

/* WORK / publications */
.work-list { display: flex; flex-direction: column; }
.work-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem 2rem;
  align-items: baseline;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line-soft);
  text-decoration: none;
  color: inherit;
  transition: background 0.2s ease;
}
.work-item:last-child { border-bottom: 1px solid var(--line-soft); }
.work-item:hover { background: color-mix(in srgb, var(--pine) 4%, transparent); }
.work-item h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.12rem;
  line-height: 1.35;
  margin: 0 0 0.35rem;
}
.work-item .venue {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--pine);
  letter-spacing: 0.02em;
}
.work-item .role {
  font-size: 0.92rem;
  color: var(--ink-faint);
  margin-top: 0.3rem;
}
.work-item .year {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-faint);
  white-space: nowrap;
}
.work-item .status {
  display: inline-block;
  margin-top: 0.55rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--copper);
  background: color-mix(in srgb, var(--copper) 9%, transparent);
  border: 1px solid color-mix(in srgb, var(--copper) 28%, transparent);
  padding: 0.2em 0.55em;
  border-radius: 4px;
}
.work-note {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-faint);
  margin-top: 1.5rem;
  line-height: 1.6;
}

/* TOOLKIT */
.toolkit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem 3rem;
}
@media (max-width: 700px) { .toolkit-grid { grid-template-columns: 1fr; } }
.tool-group h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 0.9rem;
  font-weight: 500;
}
.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 0.4em 0.75em;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--card);
  color: var(--ink);
}

/* RECOGNITION */
.creds-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
}
@media (max-width: 760px) { .creds-grid { grid-template-columns: 1fr; gap: 2.5rem; } }
.cred-col h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 1.3rem;
  font-weight: 500;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--line-soft);
}
.cred-item { padding: 0.6rem 0 0.6rem 1.15rem; position: relative; }
.cred-item::before {
  content: "";
  position: absolute;
  left: 0; top: 1.05rem;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--copper);
}
.cred-title { margin: 0; font-weight: 600; font-size: 1rem; line-height: 1.35; }
.cred-yr {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-faint);
  font-weight: 400;
  margin-left: 0.4em;
}
.cred-desc {
  margin: 0.2rem 0 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.5;
}

/* CONTACT */
.contact {
  background: var(--pine-deep);
  color: var(--paper);
  border-radius: 14px;
  padding: clamp(2.2rem, 5vw, 3.5rem);
  position: relative;
  overflow: hidden;
}
.contact .eyebrow { color: color-mix(in srgb, var(--copper) 70%, white); }
.contact .eyebrow::before { background: color-mix(in srgb, var(--copper) 70%, white); }
.contact h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  letter-spacing: -0.015em;
  margin: 0.9rem 0 0.6rem;
  line-height: 1.08;
  max-width: 18ch;
}
.contact p {
  color: color-mix(in srgb, var(--paper) 78%, transparent);
  max-width: 44ch;
  margin: 0 0 2rem;
}
.contact-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.contact-actions a {
  font-family: var(--font-mono);
  font-size: 13.5px;
  text-decoration: none;
  padding: 0.75em 1.25em;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  transition: transform 0.15s ease, background 0.2s ease;
}
.contact-actions a:hover { transform: translateY(-1px); }
.contact-actions .primary { background: var(--copper); color: #fff; }
.contact-actions .primary:hover { background: color-mix(in srgb, var(--copper) 85%, black); }
.contact-actions .outline {
  border: 1px solid color-mix(in srgb, var(--paper) 30%, transparent);
  color: var(--paper);
}
.contact-actions .outline:hover { background: color-mix(in srgb, var(--paper) 10%, transparent); }
.contact-figure {
  position: absolute;
  right: -60px; bottom: -80px;
  width: 320px; opacity: 0.13;
  pointer-events: none;
}
@media (max-width: 640px) { .contact-figure { display: none; } }

/* FOOTER */
footer.site {
  padding-block: 2.5rem 3.5rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-faint);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}
footer.site a { color: var(--ink-soft); text-decoration: none; }
footer.site a:hover { color: var(--pine); }

/* ---------- entrance animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}
.draw { stroke-dasharray: 1; stroke-dashoffset: 1; }