/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 {
  font-family: 'Fraunces', Georgia, 'Times New Roman', serif;
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.5em;
  color: var(--text);
}
p { margin: 0 0 1em; }

:root {
  --bg: #FAFAF8;
  --bg-alt: #F1EFE7;
  --surface: #FFFFFF;
  --text: #1B1F2A;
  --text-muted: #5B6270;
  --accent: #1F5F5B;
  --accent-dark: #123F3C;
  --border: #E4E1D6;
  --max-width: 1100px;
}

/* ---------- Layout ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}
section { padding: 5rem 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 640px; margin-bottom: 3rem; }
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.9rem;
}
.lede {
  font-size: 1.2rem;
  color: var(--text-muted);
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Fraunces', serif;
  font-size: 0.95rem;
  font-weight: 600;
}
.nav-links {
  display: flex;
  gap: 2.1rem;
}
.nav-links a {
  font-size: 0.94rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.15s ease;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--accent);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (max-width: 780px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem 1.5rem;
    gap: 1rem;
    display: none;
  }
  .nav-links.open { display: flex; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-dark); }
.btn-outline {
  border-color: var(--text);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-row { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---------- Hero ---------- */
.hero {
  padding: 6.5rem 0 5rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.3rem, 4vw, 3.4rem);
  margin-bottom: 0.6rem;
}
.hero .role {
  font-size: 1.25rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1.2rem;
}
.hero .desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 52ch;
  margin-bottom: 2rem;
}
.hero-portrait {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 12px;
  background: linear-gradient(160deg, var(--accent) 0%, var(--accent-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media (max-width: 780px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-portrait { max-width: 220px; margin: 0 auto; }
}

/* ---------- Stats / metrics band ---------- */
.stats-strip { padding: 0 0 4.5rem; }
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.stats > div {
  background: var(--surface);
  padding: 1.6rem 1.3rem;
  text-align: center;
}
.stats .num {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 2rem;
  color: var(--accent-dark);
  display: block;
  line-height: 1.1;
  white-space: nowrap;
}
.stats .num--sm { font-size: 1.25rem; }
.stats .label {
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-top: 0.6rem;
  line-height: 1.4;
}
@media (max-width: 780px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Quote band ---------- */
.quote-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.quote-band { text-align: center; }
.quote-band blockquote {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  line-height: 1.45;
  color: var(--text);
  max-width: 760px;
  margin: 0 auto;
}
.quote-band cite {
  display: block;
  margin-top: 1.3rem;
  font-style: normal;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ---------- Shift lockup (from labor-centric to AI-native) ---------- */
.shift {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  margin: 1rem 0 1.6rem;
}
.shift .from {
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-color: var(--text-muted);
}
.shift .arrow { color: var(--accent); padding: 0 0.35em; }
.shift .to { color: var(--accent-dark); font-weight: 600; }

/* ---------- Focus grid ---------- */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
}
.focus-grid li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  font-size: 0.96rem;
  color: var(--text);
}
.focus-grid li::before {
  content: "→ ";
  color: var(--accent);
  font-weight: 600;
}
@media (max-width: 700px) {
  .focus-grid { grid-template-columns: 1fr; }
}

/* ---------- Pillars / Cards ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}
@media (max-width: 900px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
}
.card .icon {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--bg-alt);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  font-size: 1.3rem;
}
.card .tag { margin-bottom: 0.9rem; }
.card h3 { font-size: 1.2rem; }
.card p { color: var(--text-muted); margin-bottom: 0; }
.card .card-link {
  display: inline-block;
  margin-top: 1.2rem;
  padding-top: 0;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--accent);
}
.card .card-link:hover { color: var(--accent-dark); }

/* ---------- Insight / list items ---------- */
.insight-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 2rem;
  background: var(--surface);
  margin-bottom: 1.5rem;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.insight-item:last-child { margin-bottom: 0; }
.insight-item:hover {
  box-shadow: 0 10px 26px rgba(27, 31, 42, 0.07);
  transform: translateY(-2px);
}
.insight-date {
  color: var(--text-muted);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding-top: 0.3rem;
}
.insight-item h3 { font-size: 1.35rem; margin-bottom: 0.5rem; }
.insight-item h3 a:hover { color: var(--accent); }
.insight-item p { color: var(--text-muted); margin-bottom: 0; }
.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(31, 95, 91, 0.08);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.7rem;
}
@media (max-width: 700px) {
  .insight-item { grid-template-columns: 1fr; gap: 0.4rem; }
}

/* ---------- Framework steps ---------- */
.framework {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2.5rem;
  background: var(--surface);
  margin-bottom: 2rem;
}
.framework h3 { font-size: 1.5rem; }
.framework .fw-desc { color: var(--text-muted); max-width: 65ch; }
.fw-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  margin-top: 1.8rem;
}
.fw-step {
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
}
.fw-step .num {
  font-family: 'Fraunces', serif;
  font-size: 1.4rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.3rem;
}
.fw-step h4 { font-size: 1rem; margin-bottom: 0.3rem; }
.fw-step p { font-size: 0.92rem; color: var(--text-muted); margin: 0; }

/* ---------- Timeline (About) ---------- */
.timeline {
  border-left: 2px solid var(--border);
  margin-left: 0.5rem;
}
.timeline-item {
  position: relative;
  padding: 0 0 2.4rem 2rem;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
}
.timeline-item .year {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.timeline-item h4 { margin: 0.3rem 0 0.4rem; font-size: 1.1rem; }
.timeline-item p { color: var(--text-muted); margin: 0; }

.principles li {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 1rem;
}
.principles li:first-child { padding-top: 0; }
.principles .num {
  font-family: 'Fraunces', serif;
  color: var(--accent);
  font-weight: 600;
}

/* ---------- Publications ---------- */
.pub-group { margin-bottom: 2.75rem; }
.pub-group:last-child { margin-bottom: 0; }
.pub-group h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: 0.9rem;
}
.pub-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.pub-list li:first-child { padding-top: 0; }
.pub-list li:last-child { border-bottom: none; }
.pub-list a {
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--text);
}
.pub-list a:hover { color: var(--accent); }
.pub-list p {
  margin: 0.4rem 0 0;
  color: var(--text-muted);
  font-size: 0.94rem;
}

/* ---------- Article (Insight detail pages) ---------- */
.article-hero {
  background: linear-gradient(160deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  padding: 3.5rem 0 3rem;
}
.article-hero .back-link {
  display: inline-block;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
  margin-bottom: 1.6rem;
}
.article-hero .back-link:hover { color: #fff; }
.article-hero .tag {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}
.article-hero h1 {
  color: #fff;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  margin: 0.7rem 0 0.7rem;
  max-width: 22ch;
}
.article-hero .read-time {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.92rem;
  margin: 0;
}
.article-body { padding: 3.5rem 0 1rem; }
.article-body p {
  font-size: 1.06rem;
  line-height: 1.75;
  color: var(--text);
}
.article-body .lede {
  font-size: 1.2rem;
  color: var(--text-muted);
}
.article-body h2 {
  font-size: 1.35rem;
  margin-top: 2.4rem;
}
.takeaways {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.8rem 2rem;
  margin: 2.6rem 0 1rem;
}
.takeaways h3 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 1.1rem;
}
.takeaways ul { padding-left: 0; }
.takeaways li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text);
  line-height: 1.5;
}
.takeaways li:last-child { margin-bottom: 0; }
.takeaways li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

/* ---------- Contact ---------- */
.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border);
}
.contact-card:first-child { padding-top: 0; }
.contact-card:last-child { border-bottom: none; }
.contact-card .icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-alt);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-card a:hover { color: var(--accent); }

/* ---------- Closing note ---------- */
.closing-note { padding: 4.5rem 0; }
.closing-note .container { max-width: 640px; }
.closing-note p {
  font-family: 'Fraunces', serif;
  font-size: 1.25rem;
  line-height: 1.55;
  color: var(--text);
  margin-bottom: 0;
}
.closing-note .sign {
  margin-top: 1.1rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer-links { display: flex; gap: 1.6rem; }
.footer-links a { color: var(--text-muted); font-size: 0.92rem; }
.footer-links a:hover { color: var(--accent); }
.copyright { color: var(--text-muted); font-size: 0.88rem; }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Page header (inner pages) ---------- */
.page-header {
  padding: 4.5rem 0 3rem;
  border-bottom: 1px solid var(--border);
}
.page-header h1 { font-size: clamp(2rem, 3.4vw, 2.6rem); }
.page-header p { color: var(--text-muted); font-size: 1.1rem; max-width: 60ch; margin: 0; }