:root {
  --ink: #071a12;
  --ink-soft: #0c281a;
  --forest: #0a3b22;
  --green: #19c866;
  --mint: #c7f7d8;
  --lime: #ddff69;
  --paper: #f5f4ed;
  --paper-warm: #ebe9df;
  --white: #fff;
  --text: #183124;
  --muted: #587064;
  --line: rgba(15, 56, 34, .16);
  --serif: Iowan Old Style, Palatino Linotype, Book Antiqua, Palatino, Georgia, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max: 1280px;
  --gutter: clamp(24px, 5vw, 76px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
a { color: inherit; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
::selection { background: var(--lime); color: var(--ink); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  background: var(--white);
  color: var(--ink);
  transform: translateY(-160%);
}
.skip-link:focus { transform: none; }

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  padding: 0 var(--gutter);
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.12);
  transition: background .25s ease, height .25s ease, border-color .25s ease;
}
.site-header.scrolled {
  height: 68px;
  background: rgba(7, 26, 18, .92);
  border-color: rgba(255,255,255,.08);
  backdrop-filter: blur(18px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: inherit;
  text-decoration: none;
  font-weight: 650;
  letter-spacing: -.015em;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255,255,255,.46);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .06em;
}
.site-nav { display: flex; align-items: center; gap: clamp(20px, 2.5vw, 38px); }
.site-nav a {
  color: rgba(255,255,255,.82);
  text-decoration: none;
  font-size: 13px;
  font-weight: 580;
  transition: color .2s ease;
}
.site-nav a:hover, .site-nav a:focus-visible { color: var(--white); }
.site-nav .presenter-link {
  padding: 10px 16px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 999px;
}
.site-nav .presenter-link:hover { border-color: var(--lime); color: var(--lime); }
.menu-toggle { display: none; }

.hero {
  position: relative;
  min-height: max(720px, 100svh);
  overflow: hidden;
  display: flex;
  align-items: center;
  background: var(--ink);
  color: var(--white);
}
.hero-media, .hero-media img, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-media img { object-fit: cover; object-position: center; }
.hero-shade {
  background:
    linear-gradient(90deg, rgba(4,18,12,.95) 0%, rgba(4,18,12,.80) 30%, rgba(4,18,12,.18) 68%, rgba(4,18,12,.1) 100%),
    linear-gradient(0deg, rgba(4,18,12,.56) 0%, transparent 38%);
}
.hero-content {
  position: relative;
  z-index: 2;
  width: min(760px, 60vw);
  margin-left: var(--gutter);
  padding-top: 70px;
}
.eyebrow, .section-kicker {
  margin: 0 0 24px;
  text-transform: uppercase;
  letter-spacing: .15em;
  font-size: 11px;
  font-weight: 720;
}
.eyebrow { color: var(--mint); }
.eyebrow::before, .section-kicker::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  margin: 0 12px 3px 0;
  background: currentColor;
}
.hero h1 {
  max-width: 790px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(54px, 6.7vw, 104px);
  font-weight: 400;
  letter-spacing: -.052em;
  line-height: .94;
}
.hero h1 em { color: var(--lime); font-weight: 400; }
.hero-lede {
  max-width: 630px;
  margin: 32px 0 0;
  color: rgba(255,255,255,.76);
  font-size: clamp(18px, 1.55vw, 22px);
  line-height: 1.5;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 3px;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 13px;
  font-weight: 690;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--lime); color: var(--ink); }
.button-primary:hover { background: var(--white); }
.button-quiet { border-color: rgba(255,255,255,.3); color: var(--white); }
.button-quiet:hover { border-color: var(--white); }
.scroll-cue {
  position: absolute;
  z-index: 3;
  right: var(--gutter);
  bottom: 36px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(255,255,255,.58);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 9px;
}
.scroll-line { width: 52px; height: 1px; background: currentColor; }

.signal {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.14);
  color: var(--white);
  border-top: 1px solid rgba(255,255,255,.14);
  border-bottom: 1px solid rgba(255,255,255,.14);
}
.signal p { margin: 0; padding: 28px clamp(20px, 3vw, 46px); background: var(--ink-soft); }
.signal strong, .signal span { display: block; }
.signal strong { font-family: var(--serif); font-size: 21px; font-weight: 400; }
.signal span { margin-top: 4px; color: rgba(255,255,255,.5); font-size: 11px; }

.section { padding: clamp(90px, 11vw, 160px) var(--gutter); }
.section > * { width: min(100%, var(--max)); margin-left: auto; margin-right: auto; }
.section-kicker { color: #14733e; }
.manifesto { background: var(--paper); }
.manifesto-grid { display: grid; grid-template-columns: 1.2fr .75fr; gap: clamp(52px, 9vw, 140px); align-items: start; }
.display, .section-heading h2, .stage h2, .about h2, .contact h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(46px, 5.5vw, 82px);
  font-weight: 400;
  letter-spacing: -.045em;
  line-height: .98;
}
.display span { color: #179448; }
.manifesto-copy { padding-top: 8px; color: var(--muted); }
.manifesto-copy p { margin: 0 0 20px; }
.manifesto-copy .lead, .about-copy .lead {
  color: var(--text);
  font-family: var(--serif);
  font-size: clamp(24px, 2.1vw, 32px);
  line-height: 1.25;
  letter-spacing: -.018em;
}

.topics { background: #e9e7dc; }
.section-heading {
  display: grid;
  grid-template-columns: 1.3fr .65fr;
  gap: 60px;
  align-items: end;
  margin-bottom: clamp(54px, 7vw, 90px);
}
.section-heading h2 { font-size: clamp(44px, 5vw, 74px); }
.section-heading > p { margin: 0 0 6px; color: var(--muted); font-size: 17px; }
.topic-list { border-top: 1px solid var(--line); }
.topic {
  display: grid;
  grid-template-columns: 74px 1fr auto;
  gap: 28px;
  padding: 34px 0 38px;
  border-bottom: 1px solid var(--line);
  transition: padding .25s ease, color .25s ease;
}
.topic:hover { padding-left: 14px; color: var(--forest); }
.topic-number { padding-top: 6px; color: #168846; font-size: 12px; font-weight: 720; }
.topic-body h3 { margin: 0; font-family: var(--serif); font-size: clamp(27px, 3vw, 40px); font-weight: 400; letter-spacing: -.025em; }
.topic-body p { max-width: 720px; margin: 10px 0 0; color: var(--muted); }
.topic-tag { align-self: start; margin-top: 8px; padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; white-space: nowrap; }

.stage { padding-top: 0; background: #e9e7dc; }
.stage-panel {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(50px, 9vw, 140px);
  min-height: 610px;
  padding: clamp(58px, 7vw, 96px);
  background: var(--ink);
  color: var(--white);
}
.stage-copy { position: relative; z-index: 2; }
.stage-copy .section-kicker { color: var(--mint); }
.stage-copy h2 { color: var(--white); }
.stage-copy > p:last-child { max-width: 510px; margin: 30px 0 0; color: rgba(255,255,255,.62); font-size: 17px; }
.stage-steps { position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center; gap: 0; margin: 0; padding: 0; list-style: none; }
.stage-steps li { display: grid; grid-template-columns: 45px 1fr; padding: 27px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.stage-steps li:first-child { border-top: 1px solid rgba(255,255,255,.14); }
.stage-steps span { grid-row: 1 / 3; color: var(--lime); font-size: 11px; }
.stage-steps strong { font-family: var(--serif); font-size: 26px; font-weight: 400; }
.stage-steps small { color: rgba(255,255,255,.48); font-size: 12px; }
.stage-orbit { position: absolute; right: -140px; top: -260px; width: 660px; height: 660px; border: 1px solid rgba(45,220,117,.17); border-radius: 50%; }
.stage-orbit::before, .stage-orbit::after, .stage-orbit span { content: ""; position: absolute; border: 1px solid rgba(45,220,117,.12); border-radius: 50%; }
.stage-orbit::before { inset: 80px; }
.stage-orbit::after { inset: 165px; }
.stage-orbit span:nth-child(1) { width: 9px; height: 9px; top: 315px; left: -5px; background: var(--lime); box-shadow: 0 0 24px var(--lime); }
.stage-orbit span:nth-child(2) { width: 5px; height: 5px; left: 179px; bottom: 42px; background: var(--green); }
.stage-orbit span:nth-child(3) { width: 13px; height: 13px; right: 151px; bottom: 129px; background: var(--ink); border-color: var(--mint); }

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(60px, 10vw, 150px);
  background: var(--paper);
}
.about > * { width: auto; margin: 0; }
.about-copy { padding-top: 34px; color: var(--muted); }
.about-copy p { margin: 0 0 22px; }
.about-links { display: flex; flex-wrap: wrap; gap: 12px 26px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); }
.about-links a, .text-link { color: var(--forest); text-decoration: none; font-size: 12px; font-weight: 700; }
.about-links a:hover, .text-link:hover { text-decoration: underline; text-underline-offset: 4px; }

.ideas { background: #143d27; color: var(--white); }
.ideas .section-kicker { color: var(--mint); }
.ideas .section-heading > p { color: rgba(255,255,255,.62); }
.ideas .text-link { color: var(--mint); align-self: end; justify-self: end; margin-bottom: 8px; }
.idea-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.18); }
.idea-card {
  display: flex;
  flex-direction: column;
  min-height: 390px;
  padding: clamp(26px, 3.2vw, 44px);
  background: #143d27;
  color: var(--white);
  text-decoration: none;
  transition: background .25s ease, transform .25s ease;
}
.idea-card:hover { position: relative; z-index: 2; background: #1b5034; transform: translateY(-6px); }
.idea-type { color: var(--mint); text-transform: uppercase; letter-spacing: .1em; font-size: 9px; font-weight: 720; }
.idea-card h3 { margin: 34px 0 18px; font-family: var(--serif); font-size: clamp(26px, 2.4vw, 35px); font-weight: 400; line-height: 1.08; letter-spacing: -.02em; }
.idea-card p { margin: 0; color: rgba(255,255,255,.6); font-size: 14px; }
.idea-link { margin-top: auto; padding-top: 30px; color: var(--lime); font-size: 11px; font-weight: 720; }

.contact { padding: clamp(90px, 11vw, 160px) var(--gutter); background: var(--mint); color: var(--ink); }
.contact-inner { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(58px, 9vw, 130px); width: min(100%, var(--max)); margin: 0 auto; }
.contact .section-kicker { color: #096833; }
.contact h2 { font-size: clamp(48px, 5vw, 78px); }
.contact-copy > p:not(.section-kicker) { max-width: 520px; margin: 28px 0 0; color: #355c46; font-size: 17px; }
.contact-note { display: flex; align-items: flex-start; gap: 12px; margin-top: 38px; color: #335945; font-size: 12px; line-height: 1.5; }
.pulse { width: 8px; height: 8px; margin-top: 5px; border-radius: 50%; background: #10a74e; box-shadow: 0 0 0 5px rgba(16,167,78,.14); }
.contact-form { display: flex; flex-direction: column; gap: 24px; padding: clamp(28px, 4vw, 52px); background: rgba(255,255,255,.62); border: 1px solid rgba(10,59,34,.12); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.contact-form label { display: flex; flex-direction: column; gap: 8px; color: #214a34; font-size: 11px; font-weight: 680; }
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(7,26,18,.32);
  border-radius: 0;
  padding: 10px 0 12px;
  background: transparent;
  color: var(--ink);
  outline: none;
  font-size: 15px;
  font-weight: 450;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.contact-form textarea { resize: vertical; min-height: 118px; }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { border-color: var(--forest); box-shadow: 0 1px 0 var(--forest); }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: rgba(7,26,18,.4); }
.honeypot { position: absolute; left: -10000px; }
.form-footer { display: flex; align-items: center; gap: 20px; margin-top: 6px; }
.button-submit { min-width: 176px; background: var(--ink); color: var(--white); }
.button-submit:hover { background: var(--forest); }
.button-submit:disabled { cursor: wait; opacity: .55; transform: none; }
.form-status { margin: 0; color: #315a45; font-size: 12px; }
.form-status.error { color: #9d2f24; }

.site-footer { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; padding: 44px var(--gutter); background: var(--ink); color: var(--white); }
.footer-brand { display: flex; align-items: center; gap: 12px; font-weight: 680; }
.site-footer > p { margin: 0; color: rgba(255,255,255,.5); text-align: right; font-family: var(--serif); font-size: 18px; }
.footer-meta { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 14px 28px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.42); font-size: 10px; }
.footer-meta a { margin-left: auto; color: rgba(255,255,255,.65); text-decoration: none; }
.footer-meta a:hover { color: var(--lime); }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .site-header { height: 72px; }
  .menu-toggle {
    position: relative;
    z-index: 2;
    display: grid;
    gap: 5px;
    width: 42px;
    height: 42px;
    place-content: center;
    border: 1px solid rgba(255,255,255,.24);
    border-radius: 50%;
    background: transparent;
    color: white;
  }
  .menu-toggle > span:not(.sr-only) { width: 16px; height: 1px; background: currentColor; transition: transform .2s ease, opacity .2s ease; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .site-nav {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 25px;
    padding: 100px var(--gutter) 50px;
    background: var(--ink);
    transform: translateX(100%);
    transition: transform .28s ease;
  }
  .site-nav.open { transform: none; }
  .site-nav a { font-family: var(--serif); font-size: 34px; }
  .site-nav .presenter-link { margin-top: 18px; font-family: var(--sans); font-size: 13px; }
  .hero-content { width: min(680px, 80vw); }
  .hero-media img { object-position: 60% center; }
  .signal { grid-template-columns: 1fr 1fr; }
  .manifesto-grid, .section-heading, .about, .contact-inner { grid-template-columns: 1fr; }
  .manifesto-grid, .about, .contact-inner { gap: 48px; }
  .section-heading { gap: 28px; }
  .stage-panel { grid-template-columns: 1fr; }
  .idea-grid { grid-template-columns: 1fr; }
  .idea-card { min-height: 300px; }
  .ideas .text-link { justify-self: start; }
}

@media (max-width: 680px) {
  .brand-name { display: none; }
  .hero { min-height: 780px; align-items: flex-end; }
  .hero-media { inset: 0 0 auto; height: 55%; }
  .hero-media img { object-position: 68% center; }
  .hero-shade { background: linear-gradient(0deg, var(--ink) 35%, rgba(7,26,18,.28) 75%, rgba(7,26,18,.14)); }
  .hero-content { width: auto; margin: 0; padding: 0 var(--gutter) 96px; }
  .hero h1 { font-size: clamp(49px, 15vw, 72px); }
  .hero-lede { margin-top: 24px; font-size: 17px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .button { text-align: center; }
  .scroll-cue { display: none; }
  .signal { grid-template-columns: 1fr; }
  .signal p { padding: 22px var(--gutter); }
  .section { padding-top: 86px; padding-bottom: 86px; }
  .display, .section-heading h2, .stage h2, .about h2, .contact h2 { font-size: 45px; }
  .topic { grid-template-columns: 42px 1fr; gap: 10px; }
  .topic-tag { grid-column: 2; justify-self: start; }
  .topic:hover { padding-left: 0; }
  .stage { padding: 0; }
  .stage-panel { padding: 64px var(--gutter); }
  .stage-steps strong { font-size: 23px; }
  .field-row { grid-template-columns: 1fr; gap: 24px; }
  .form-footer { align-items: stretch; flex-direction: column; }
  .site-footer { grid-template-columns: 1fr; }
  .site-footer > p { text-align: left; }
  .footer-meta { grid-column: auto; flex-direction: column; }
  .footer-meta a { margin-left: 0; }
}

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