:root {
  --ink: #111111;
  --paper: #ffffff;
  --text: #2b2b2b;
  --muted: #777777;
  --line: #e6e6e6;
  --blue: #1f1fd6;
  --mint: #a9f7cb;

  --serif: "Fraunces", Georgia, serif;
  --sans: "Schibsted Grotesk", "Helvetica Neue", sans-serif;

  --max: 1080px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 96px; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2 {
  font-family: var(--serif);
  font-weight: 300;
  font-variation-settings: "opsz" 144;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 0;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease);
}
.site-header.scrolled { border-color: var(--line); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 22px 24px;
}

.wordmark {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1;
}
.wordmark-main {
  display: block;
  width: 112px;
  height: auto;
}
.wordmark-sub {
  font-size: 13px;
  margin-top: 5px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 16px;
}
.nav a:not(.pill) {
  color: var(--text);
  transition: color 0.3s var(--ease);
}
.nav a:not(.pill):hover { color: var(--ink); }

.menu-toggle {
  display: none;
  width: 40px;
  height: 28px;
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--blue);
  margin: 7px 0;
  transition: transform 0.4s var(--ease);
}
.open .menu-toggle span:first-child { transform: translateY(4.5px) rotate(45deg); }
.open .menu-toggle span:last-child { transform: translateY(-4.5px) rotate(-45deg); }

/* Pills */

.pill {
  display: inline-block;
  padding: 9px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 16px;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease), color 0.3s var(--ease);
}
.pill:hover { border-color: #bdbdbd; }

.pill-solid {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.pill-solid:hover {
  background: #333;
  border-color: #333;
}

/* Hero */

.hero {
  max-width: 860px;
  margin: 0 auto;
  padding: 104px 24px 112px;
  text-align: center;
}

.hero h1 { font-size: clamp(44px, 7vw, 84px); }

.lede {
  max-width: 620px;
  margin: 28px auto 0;
  font-size: clamp(18px, 1.8vw, 20px);
  color: var(--text);
}

.pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 40px;
}

/* Facts */

.facts {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.fact {
  padding: 36px 32px 40px;
}
.fact + .fact { border-left: 1px solid var(--line); }
.fact:first-child { padding-left: 0; }

.fact dt {
  font-size: 14px;
  color: var(--muted);
}

.fact dd {
  margin: 10px 0 0;
  font-family: var(--serif);
  font-weight: 300;
  font-variation-settings: "opsz" 144;
  font-size: clamp(26px, 2.6vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

/* Approach */

.approach {
  max-width: var(--max);
  margin: 0 auto;
  padding: 128px 24px 112px;
}

.approach h2,
.who h2 {
  font-size: clamp(36px, 4.5vw, 52px);
}

.approach h2 { margin-bottom: 48px; }

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.step {
  display: grid;
  grid-template-columns: 80px 1fr 1.4fr;
  gap: 24px;
  align-items: baseline;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.step-num {
  font-size: 14px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.step h3 {
  margin: 0;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.step p {
  margin: 0;
  color: var(--text);
}

/* Who */

.who {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px 128px;
}

.who p {
  margin: 0;
  font-size: 20px;
  color: var(--text);
}

/* Footer */

.site-footer {
  background: var(--mint);
  color: var(--ink);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 48px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 80px 24px 72px;
}

.footer-brand .wordmark { align-items: flex-end; }
.footer-brand .wordmark-main { width: 132px; }
.footer-brand .wordmark-sub { font-size: 14px; }

.footer-email {
  margin: 32px 0 0;
}
.footer-email a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.footer-talk h2 {
  font-size: clamp(40px, 4.5vw, 56px);
  font-weight: 400;
}
.footer-talk p {
  max-width: 440px;
  margin: 28px 0 0;
}
.footer-cta {
  display: inline-block;
  margin-top: 4px;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}
.footer-cta:hover { border-color: var(--ink); }

.subscribe-title {
  margin: 48px 0 0;
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.subscribe {
  display: flex;
  gap: 20px;
  max-width: 480px;
  margin-top: 24px;
}
.subscribe input[type="email"] {
  flex: 1;
  min-width: 0;
  padding: 14px 14px;
  border: 1px solid #cfcfcf;
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  transition: border-color 0.3s var(--ease);
}
.subscribe input[type="email"]::placeholder { color: #888; }
.subscribe input[type="email"]:focus {
  outline: none;
  border-color: var(--ink);
}
.subscribe button {
  padding: 14px 20px;
  border: 0;
  border-radius: 0;
  background: var(--ink);
  color: var(--paper);
  font: inherit;
  font-size: 17px;
  cursor: pointer;
  transition: background-color 0.3s var(--ease);
}
.subscribe button:hover { background: #333; }
.subscribe button:disabled { opacity: 0.6; cursor: default; }

.footer-talk .subscribe-status {
  min-height: 1.6em;
  margin-top: 12px;
  font-size: 15px;
}

.hidden-field { display: none; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  font-size: 19px;
}
.footer-nav a {
  cursor: pointer;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}
.footer-nav a:hover { border-color: var(--ink); }

.footer-base {
  display: flex;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px 24px 28px;
  border-top: 1px solid rgba(17, 17, 17, 0.15);
  font-size: 14px;
  color: rgba(17, 17, 17, 0.65);
}

/* Reveal */

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: none;
}
.hero .reveal:nth-child(2) { transition-delay: 0.08s; }
.hero .reveal:nth-child(3) { transition-delay: 0.16s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Mobile */

@media (max-width: 820px) {
  .header-inner { padding: 18px 20px; }
  .wordmark-main { width: 96px; }
  .wordmark-sub { font-size: 12px; }

  .menu-toggle { display: block; }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding: 24px 20px 32px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    font-size: 20px;
    opacity: 0;
    transform: translateY(-8px);
    visibility: hidden;
    transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), visibility 0s linear 0.35s;
  }
  .open .nav {
    opacity: 1;
    transform: none;
    visibility: visible;
    transition-delay: 0s;
  }

  .hero { padding: 64px 20px 80px; }

  .facts { padding: 0 20px; }
  .facts-grid { grid-template-columns: 1fr; }
  .fact, .fact:first-child { padding: 24px 0; }
  .fact + .fact { border-left: 0; border-top: 1px solid var(--line); }

  .approach { padding: 88px 20px 72px; }
  .approach h2 { margin-bottom: 32px; }
  .step {
    grid-template-columns: 48px 1fr;
    gap: 8px 16px;
    padding: 28px 0;
  }
  .step p { grid-column: 2; }

  .who {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 20px 88px;
  }
  .who p { font-size: 18px; }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 56px 20px 48px;
  }
  .footer-brand .wordmark-main { width: 112px; }
  .footer-base { flex-direction: column; gap: 4px; padding: 20px; }
}