:root {
  --bg: #ffffff;
  --fg: #000000;
  --line: rgba(0, 0, 0, 0.14);
  --line-strong: rgba(0, 0, 0, 0.28);
  --ink-soft: rgba(0, 0, 0, 0.7);
  --page-pad: clamp(1.25rem, 2vw, 2rem);
  --section-gap: clamp(4rem, 8vw, 8rem);
  --content-width: 76rem;
}

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

html {
  background: var(--bg);
  color: var(--fg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

::selection {
  background: #000;
  color: #fff;
}

.site-shell {
  min-height: 100vh;
}

.site-header,
.site-footer,
.section,
.hero {
  width: min(calc(100% - (var(--page-pad) * 2)), var(--content-width));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.brand-mark {
  width: clamp(2.6rem, 4.5vw, 3.8rem);
  height: auto;
  flex: none;
}

.brand-text {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-link {
  position: relative;
  padding: 0.25rem 0;
  font-size: 0.92rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.1rem;
  width: 100%;
  height: 1px;
  background: #000;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link.is-active::after {
  transform: scaleX(1);
}

.page-main {
  padding: 0 0 4rem;
}

.page-main--compact .section:first-child {
  padding-top: clamp(2rem, 4vw, 3rem);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(18rem, 0.7fr);
  gap: 2rem;
  align-items: end;
  padding: clamp(3rem, 8vw, 7rem) 0 clamp(2rem, 5vw, 4rem);
}

.hero-copy {
  max-width: 46rem;
}

.eyebrow {
  margin: 0 0 1rem;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1,
.page-title {
  margin: 0;
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: 0.94;
  letter-spacing: -0.06em;
  font-weight: 500;
}

.hero-copy > p:not(.eyebrow),
.page-lead,
.stat-copy,
.text-block p,
.focus-card p,
.research-note,
.footer-note {
  color: var(--ink-soft);
}

.hero-copy > p:not(.eyebrow),
.page-lead {
  margin: 1.35rem 0 0;
  max-width: 38rem;
  font-size: clamp(1.05rem, 2vw, 1.4rem);
  line-height: 1.45;
}

.hero-side {
  display: grid;
  gap: 1rem;
  justify-items: end;
}

.hero-panel,
.focus-card,
.note-panel,
.text-block,
.statement,
.timeline-item {
  border: 1px solid var(--line);
}

.hero-panel {
  width: min(100%, 22rem);
  padding: 1.1rem 1.15rem;
}

.hero-panel-label,
.section-label {
  margin: 0 0 0.85rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-panel p:not(.hero-panel-label),
.hero-panel ul,
.note-panel p {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

.hero-panel ul {
  padding-left: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.7rem 1.1rem;
  border: 1px solid #000;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.button-link:hover,
.button-link:focus-visible {
  background: #000;
  color: #fff;
  transform: translateY(-1px);
}

.button-link.is-subtle {
  border-color: var(--line-strong);
}

.section {
  padding: var(--section-gap) 0 0;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 1.5rem;
  margin-bottom: 1.8rem;
  align-items: end;
}

.section-title {
  margin: 0;
  font-size: clamp(1.7rem, 4vw, 2.8rem);
  line-height: 1;
  letter-spacing: -0.05em;
  font-weight: 500;
}

.section-text {
  margin: 0;
  max-width: 36rem;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.focus-card {
  display: grid;
  gap: 1rem;
  min-height: 18rem;
  padding: 1.15rem;
}

.focus-kicker {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.focus-card h3,
.text-block h2,
.statement h2,
.timeline-item h3 {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.04;
  letter-spacing: -0.04em;
  font-weight: 500;
}

.focus-card p,
.text-block p,
.statement p,
.timeline-item p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.55;
}

.stats-grid,
.text-grid,
.timeline {
  display: grid;
  gap: 1rem;
}

.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat {
  padding-top: 1rem;
  border-top: 1px solid var(--line-strong);
}

.stat-value {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
  font-weight: 500;
}

.stat-copy {
  margin: 0.7rem 0 0;
  max-width: 18rem;
  font-size: 0.98rem;
  line-height: 1.45;
}

.statement {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 1rem;
  align-items: start;
  padding: 1.35rem;
}

.text-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.text-block {
  padding: 1.3rem;
}

.text-block p + p {
  margin-top: 1rem;
}

.note-panel {
  padding: 1.2rem;
}

.timeline {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.timeline-item {
  padding: 1.25rem;
}

.timeline-step {
  margin-bottom: 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.research-note {
  margin: 0;
  max-width: 36rem;
  font-size: 1rem;
  line-height: 1.55;
}

.site-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--line);
}

.footer-note {
  margin: 0.2rem 0 0;
  font-size: 0.95rem;
  line-height: 1.5;
}

.footer-meta {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-hero {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

@media (max-width: 900px) {
  .site-header,
  .hero,
  .section-head,
  .statement,
  .text-grid,
  .focus-grid,
  .stats-grid,
  .timeline,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .hero,
  .section-head,
  .statement {
    display: grid;
  }

  .site-header,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav,
  .hero-side {
    justify-content: flex-start;
    justify-items: start;
  }

  .hero-panel {
    width: 100%;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding-top: 1.1rem;
  }

  .brand {
    gap: 0.7rem;
  }

  .brand-text {
    font-size: 0.82rem;
  }

  .site-nav {
    gap: 1rem;
  }

  .focus-card,
  .timeline-item,
  .text-block,
  .statement,
  .note-panel,
  .hero-panel {
    padding: 1rem;
  }
}