@import url("https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=IBM+Plex+Mono:wght@400;500&display=swap");

:root {
  --paper: #fbfbfa;
  --paper-rgb: 251, 251, 250;
  --paper-soft: #f2f2f0;
  --ink: #121110;
  --muted: #6e6c68;
  --line: #deded9;
  --font-display: "Instrument Serif", Georgia, serif;
  --font-mono: "IBM Plex Mono", Consolas, monospace;
  --font-body: "Inter", system-ui, sans-serif;
  --ease-out: cubic-bezier(.23, 1, .32, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
.pattern-grid,
.grid-spotlight {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.pattern-grid { z-index: 0; }
.grid-spotlight {
  z-index: 0;
  opacity: .8;
  background: radial-gradient(circle 340px at var(--spot-x, 50%) var(--spot-y, 45%), rgba(18, 17, 16, .022), transparent 72%);
  transition: opacity 220ms ease;
}
.page-shell { position: relative; z-index: 1; }

.site-header {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 14px clamp(22px, 5vw, 76px);
  border-bottom: 1px solid rgba(18, 17, 16, .14);
  background: rgba(var(--paper-rgb), .78);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 4;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font: 500 12px/1 var(--font-mono);
  letter-spacing: .12em;
  text-decoration: none;
}
.brand-lockup { line-height: 0; }
.brand-lockup img { display: block; width: 226px; height: auto; }
.brand-mark { width: 31px; height: 31px; fill: var(--ink); }
.brand-mark path { fill: none; stroke: var(--ink); stroke-width: 1.5; }
.site-header nav { display: flex; align-items: center; gap: clamp(16px, 2.4vw, 36px); }
.site-header nav a {
  font: 400 10px/1.2 var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
}
.site-header nav a:not(.nav-cta) { color: var(--muted); }
.site-header nav a:not(.nav-cta):hover { color: var(--ink); }
.nav-cta { border: 1px solid var(--ink); padding: 12px 15px; }

.hero {
  width: min(1180px, calc(100% - 44px));
  min-height: calc(100vh - 72px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr);
  align-items: center;
  gap: clamp(42px, 7vw, 110px);
  padding: clamp(70px, 10vh, 120px) 0;
}
.hero-copy { max-width: 680px; }
.eyebrow {
  margin: 0 0 20px;
  color: var(--muted);
  font: 400 10px/1.4 var(--font-mono);
  letter-spacing: .2em;
}
h1, h2, h3, p { text-wrap: pretty; }
h1, h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -.035em;
}
h1 { font-size: clamp(64px, 7.5vw, 112px); line-height: .88; }
h1 em { font-weight: 400; }
.lede {
  max-width: 570px;
  margin: 32px 0 0;
  color: #3e3c39;
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.65;
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 19px;
  border: 1px solid var(--ink);
  font: 500 10px/1 var(--font-mono);
  letter-spacing: .11em;
  text-transform: uppercase;
  text-decoration: none;
  transition: transform 150ms var(--ease-out), background-color 180ms ease, color 180ms ease;
}
.button:active { transform: scale(.97); }
.button-primary { color: var(--paper); background: var(--ink); }
.button-secondary { background: rgba(var(--paper-rgb), .78); }
.button-primary:hover { background: #000; }
.button-secondary:hover { background: var(--paper-soft); }

.chart-frame {
  margin: 0;
  padding: 24px;
  border: 1px solid rgba(18, 17, 16, .2);
  background: rgba(var(--paper-rgb), .74);
  backdrop-filter: blur(3px);
}
.chart-frame img { width: 100%; display: block; }
.chart-frame figcaption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 400 9px/1.4 var(--font-mono);
  letter-spacing: .13em;
  text-transform: uppercase;
}

.statement {
  min-height: 78vh;
  display: grid;
  grid-template-columns: minmax(120px, .55fr) 1.1fr .9fr;
  align-items: start;
  gap: clamp(28px, 5vw, 82px);
  padding: clamp(100px, 14vw, 190px) clamp(22px, 7vw, 110px);
  border-top: 1px solid rgba(18, 17, 16, .18);
  border-bottom: 1px solid rgba(18, 17, 16, .18);
  background: rgba(var(--paper-rgb), .62);
}
.statement h2,
.section-heading h2,
.closing h2 { font-size: clamp(55px, 6vw, 92px); line-height: .92; }
.statement > p:last-child {
  max-width: 480px;
  margin: 8px 0 0;
  font-size: 17px;
  line-height: 1.75;
}

.inside {
  width: min(1180px, calc(100% - 44px));
  margin: 0 auto;
  padding: clamp(100px, 12vw, 170px) 0;
}
.section-heading {
  display: grid;
  grid-template-columns: .55fr 2fr;
  gap: clamp(30px, 6vw, 90px);
  margin-bottom: 70px;
}
.process-list { list-style: none; margin: 0; padding: 0; border: 1px solid rgba(18, 17, 16, .22); background: rgba(var(--paper-rgb), .8); }
.process-list li {
  display: grid;
  grid-template-columns: 74px 1fr 32px;
  gap: 28px;
  align-items: start;
  padding: 30px 34px;
  border-top: 1px solid rgba(18, 17, 16, .18);
  transition: color 190ms ease, background-color 190ms ease;
}
.process-list li:first-child { border-top: 0; }
.process-list h3 { margin: 0 0 7px; font: 400 clamp(25px, 2.3vw, 35px)/1.1 var(--font-display); }
.process-list p { max-width: 650px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.index, .symbol { color: var(--muted); font: 400 10px/1.5 var(--font-mono); letter-spacing: .12em; }
.symbol { font-size: 18px; justify-self: end; transition: transform 190ms var(--ease-out); }

.closing {
  min-height: 72vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 100px 22px;
  text-align: center;
  color: var(--paper);
  background: var(--ink);
}
.closing .eyebrow { color: rgba(var(--paper-rgb), .6); }
.button-inverse { margin-top: 38px; color: var(--ink); border-color: var(--paper); background: var(--paper); }

.lab-panel {
  position: fixed;
  z-index: 8;
  right: 18px;
  bottom: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 9px 10px 9px 14px;
  border: 1px solid rgba(18, 17, 16, .22);
  background: rgba(var(--paper-rgb), .92);
  box-shadow: 0 8px 30px rgba(18, 17, 16, .08);
  backdrop-filter: blur(12px);
  font: 400 9px/1 var(--font-mono);
  letter-spacing: .12em;
}
.lab-panel > span { color: var(--muted); }
.lab-panel div { display: flex; gap: 3px; }
.lab-panel button {
  border: 0;
  padding: 8px 10px;
  color: var(--muted);
  background: transparent;
  font: inherit;
  letter-spacing: inherit;
  text-transform: uppercase;
  cursor: pointer;
}
.lab-panel button[aria-pressed="true"] { color: var(--paper); background: var(--ink); }
.lab-panel button:active { transform: scale(.97); }

@media (hover: hover) and (pointer: fine) {
  .process-list li:hover { color: var(--paper); background: var(--ink); }
  .process-list li:hover p,
  .process-list li:hover .index,
  .process-list li:hover .symbol { color: rgba(var(--paper-rgb), .68); }
  .process-list li:hover .symbol { transform: translate(3px, -3px); }
}

@media (max-width: 1120px) {
  .site-header nav a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .chart-frame { max-width: 590px; }
  .statement { grid-template-columns: 1fr; }
  .section-heading { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .site-header { padding-inline: 16px; }
  .brand-lockup img { width: 155px; }
  .nav-cta { padding: 11px 12px !important; }
  .hero, .inside { width: min(100% - 32px, 1180px); }
  h1 { font-size: clamp(56px, 18vw, 78px); }
  .chart-frame { padding: 16px; }
  .process-list li { grid-template-columns: 34px 1fr; gap: 14px; padding: 24px 18px; }
  .process-list .symbol { display: none; }
  .lab-panel { left: 12px; right: 12px; bottom: 12px; justify-content: space-between; }
  .lab-panel > span { display: none; }
  .lab-panel div { width: 100%; }
  .lab-panel button { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .grid-spotlight { display: none; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}