:root {
  color-scheme: light;
  --bg: #fbfaf7;
  --surface: #f1efe9;
  --text: #1c1f1d;
  --muted: #545b56;
  --accent: #2f5d3a;
  --accent-contrast: #ffffff;
  --rule: #dcd8ce;
  --maxw: 68rem;
  --gutter: clamp(1rem, 4vw, 2rem);
  --header-offset: 7rem;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --serif: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #121513;
    --surface: #1b201c;
    --text: #e8ebe7;
    --muted: #a7afa9;
    --accent: #8cc79a;
    --accent-contrast: #0f1a12;
    --rule: #2c332e;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 1.0625rem/1.65 var(--sans);
}

img { display: block; max-width: 100%; height: auto; }
a { color: var(--accent); text-underline-offset: 0.2em; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
}
h2 { font-size: clamp(1.75rem, 1.2rem + 2vw, 2.5rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--accent-contrast);
}
.skip-link:focus { top: 1rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem 1.5rem;
  min-height: 3.5rem;
  padding-block: 0.5rem;
}
.wordmark {
  font-family: var(--serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
}
.nav-list { display: flex; gap: 1.25rem; margin: 0; padding: 0; list-style: none; }
.nav-list a { color: var(--muted); font-size: 0.95rem; text-decoration: none; }
.nav-list a:hover, .nav-list a[aria-current="true"] { color: var(--text); }

section[id] { scroll-margin-top: var(--header-offset); }

/* Hero */
.hero {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  padding-block: clamp(2.5rem, 8vw, 6.5rem);
}
.eyebrow {
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero h1 { font-size: clamp(2.75rem, 1.5rem + 5vw, 4.75rem); margin-bottom: 0.25em; }
.lede {
  max-width: 24ch;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 1rem + 1.4vw, 1.9rem);
  line-height: 1.3;
}
.hero-sub { max-width: 52ch; color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem; }
.btn {
  display: inline-block;
  padding: 0.7rem 1.25rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: var(--accent-contrast); }
.portrait {
  order: -1;
  width: 100%;
  max-width: 16rem;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 53% 30%;
  border-radius: 1rem;
}
@media (min-width: 52rem) {
  .hero { grid-template-columns: 1.4fr 1fr; }
  .portrait { order: 0; max-width: 22rem; justify-self: end; }
}

/* Proof strip */
.proof { background: var(--surface); border-block: 1px solid var(--rule); }
.proof-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem 1.5rem;
  margin: 0 auto;
  padding-block: 2.5rem;
  list-style: none;
}
@media (min-width: 52rem) { .proof-list { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.proof-figure {
  display: block;
  color: var(--accent);
  font-family: var(--serif);
  font-size: clamp(2rem, 1.4rem + 2.4vw, 3rem);
  font-weight: 600;
  line-height: 1.1;
}
.proof-label { display: block; margin-top: 0.4rem; color: var(--muted); font-size: 0.95rem; line-height: 1.45; }

/* Sections */
.section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.section-intro { max-width: 60ch; margin-bottom: 2.5rem; color: var(--muted); }

.pillars { display: grid; gap: 1.5rem; }
@media (min-width: 52rem) { .pillars { grid-template-columns: 1fr 1fr; } }
.pillar {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 1rem;
}
.pillar-kicker {
  margin-bottom: 0.5rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1.25rem 0 0; padding: 0; list-style: none; }
.tags li {
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.85rem;
}

/* Experience */
.timeline { margin: 0; padding: 0; list-style: none; border-left: 2px solid var(--rule); }
.role { position: relative; padding: 0 0 2.5rem 1.75rem; }
.role::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 0.45rem;
  width: 12px;
  height: 12px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: var(--bg);
}
.role-dates { margin-bottom: 0.25rem; color: var(--muted); font-size: 0.875rem; }
.role-title { margin-bottom: 0.1em; }
.role-org { margin-bottom: 0.75rem; color: var(--accent); font-weight: 600; }
.role ul { max-width: 68ch; margin: 0; padding-left: 1.1rem; }
.role li + li { margin-top: 0.4rem; }
.education { margin-top: 0.5rem; color: var(--muted); }

/* Capabilities */
.capabilities { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); }
.capabilities h3 {
  color: var(--accent);
  font-family: var(--sans);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.capabilities ul { margin: 0; padding: 0; list-style: none; }
.capabilities li { padding: 0.45rem 0; border-bottom: 1px solid var(--rule); }

/* Contact */
.contact-email {
  font-family: var(--serif);
  font-size: clamp(1.25rem, 0.9rem + 2vw, 2.25rem);
  overflow-wrap: anywhere;
}
.contact-links { display: flex; flex-wrap: wrap; gap: 1.25rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }

.site-footer { padding-block: 2rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: 0.875rem; }

/* Scroll reveal: only hidden once main.js has opted in, so content never depends on JS. */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(12px); transition: opacity 0.6s ease, transform 0.6s ease; }
  .js .reveal.is-visible { opacity: 1; transform: none; }
}