:root {
  --ink: #0d0e0e;
  --paper: #f4f2e9;
  --acid: #eff500;
  --acid-soft: #e6ec20;
  --red: #f2382f;
  --muted: #c9c7bd;
  --line: rgba(13,14,14,.24);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.45;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

.topbar {
  min-height: 88px;
  padding: 18px 3vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--ink);
  position: relative;
  z-index: 5;
  background: var(--paper);
}
.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-weight: 900;
  font-size: 14px;
  line-height: .88;
  letter-spacing: -.03em;
  text-decoration: none;
}
.brand small { font-size: 9px; letter-spacing: .14em; }
.brand-logo { width: 58px; height: 58px; object-fit: contain; flex: 0 0 auto; }
nav { display: flex; gap: clamp(18px, 3vw, 48px); align-items: center; }
nav a { font-size: 14px; font-weight: 700; text-decoration: none; }
.nav-action { background: var(--acid); border: 1px solid var(--ink); padding: 11px 16px; box-shadow: 3px 3px 0 var(--ink); }

.hero {
  min-height: calc(100vh - 88px);
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(340px, .96fr);
  position: relative;
  overflow: hidden;
}
.hero-copy {
  padding: clamp(50px, 8vw, 120px) 4vw 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(145deg, var(--paper) 0 76%, rgba(239,245,0,.16) 100%);
}
.eyebrow {
  margin: 0 0 24px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; display: inline-block; width: 34px; border-top: 2px solid; margin: 0 10px 4px 0; }
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 34px;
  max-width: 770px;
  font-size: clamp(74px, 10.6vw, 174px);
  font-weight: 900;
  line-height: .76;
  letter-spacing: -.085em;
  text-transform: uppercase;
}
h1 em { color: var(--red); font-style: normal; }
.lede { max-width: 650px; font-size: clamp(18px, 1.7vw, 26px); line-height: 1.35; }
.hero-actions, .action-row { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-top: 20px; }
.button {
  min-height: 54px;
  padding: 15px 20px;
  border: 1px solid var(--ink);
  display: inline-flex;
  gap: 30px;
  align-items: center;
  justify-content: space-between;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease;
}
.button:hover { transform: translate(-3px,-3px); box-shadow: 4px 4px 0 var(--ink); }
.button-dark { color: white; background: var(--ink); }
.button-dark span { color: var(--acid); }
.button-acid { background: var(--acid); }
.button-outline { background: transparent; }
.text-button { border: 0; border-bottom: 1px solid; background: none; padding: 8px 0; cursor: pointer; font-weight: 700; }
.hero-image { margin: 0; min-height: 620px; position: relative; background: #5e2436; overflow: hidden; }
.hero-image img { width: 100%; height: 100%; object-fit: cover; object-position: 48% center; filter: saturate(.82) contrast(1.1); }
.hero-image::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px rgba(0,0,0,.35); pointer-events: none; }
.hero-image figcaption { position: absolute; inset: auto 0 0; padding: 16px 20px; display: flex; justify-content: space-between; color: white; background: rgba(0,0,0,.72); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.sticker {
  width: clamp(190px, 15vw, 236px);
  height: clamp(190px, 15vw, 236px);
  border-radius: 50%;
  position: absolute;
  left: calc(54% - 118px);
  top: 30px;
  display: block;
  transform: rotate(9deg);
  transition: transform .2s ease;
  filter: drop-shadow(8px 10px 0 rgba(0,0,0,.28));
}
.sticker:hover { transform: rotate(3deg) scale(1.05); }
.sticker img { width: 100%; height: 100%; object-fit: contain; }

.manifesto, .open-letter { padding: clamp(80px, 12vw, 180px) 4vw; }
.section-label { border-top: 1px solid; padding-top: 10px; margin-bottom: clamp(54px, 8vw, 110px); display: flex; justify-content: space-between; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.manifesto { display: grid; grid-template-columns: 1fr 3fr; gap: 5vw; }
.manifesto-body h2, .standard h2, .open-letter h2, .closing h2 {
  margin-bottom: 54px;
  font-size: clamp(48px, 7vw, 110px);
  line-height: .9;
  letter-spacing: -.065em;
  text-transform: uppercase;
}
.prose-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5vw; max-width: 1000px; }
.prose-grid p { font-size: clamp(18px, 1.7vw, 25px); }

.standard { padding: clamp(80px, 10vw, 150px) 4vw 0; color: white; background: var(--ink); }
.section-label.light { color: white; border-color: rgba(255,255,255,.55); }
.eyebrow.light { color: var(--acid); }
.standard-head { max-width: 1200px; }
.solutions { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid rgba(255,255,255,.35); }
.solutions article { min-height: 310px; padding: 24px 28px 40px 0; border-right: 1px solid rgba(255,255,255,.35); }
.solutions article + article { padding-left: 28px; }
.solutions article:last-child { border-right: 0; }
.number { color: var(--acid); font-size: 13px; font-weight: 800; }
.solutions h3 { margin: 100px 0 18px; font-size: clamp(28px, 3vw, 44px); text-transform: uppercase; }
.solutions p { max-width: 260px; color: var(--muted); }
.standard-rule { margin: 0 -4vw; padding: 28px 4vw; color: var(--ink); background: var(--acid); font-size: clamp(17px, 2vw, 28px); }

.logo-kit { padding: clamp(80px, 11vw, 170px) 4vw; background: var(--paper); }
.kit-layout { display: grid; grid-template-columns: minmax(330px, .86fr) minmax(0, 1.14fr); gap: clamp(50px, 8vw, 130px); align-items: start; }
.kit-visual { position: sticky; top: 30px; min-height: 620px; padding: clamp(28px,4vw,62px); display: grid; place-items: center; background: var(--ink); border-bottom: 12px solid var(--red); }
.kit-visual img { width: min(100%, 540px); aspect-ratio: 1; object-fit: contain; filter: drop-shadow(12px 14px 0 rgba(239,245,0,.12)); }
.kit-content h2 { margin-bottom: 32px; font-size: clamp(46px, 6vw, 92px); line-height: .88; letter-spacing: -.065em; text-transform: uppercase; }
.kit-intro { max-width: 700px; font-size: clamp(18px, 1.55vw, 24px); }
.download-list { margin-top: 48px; border-top: 1px solid; }
.download-list a { padding: 20px 4px; border-bottom: 1px solid; display: flex; align-items: center; justify-content: space-between; gap: 24px; text-decoration: none; transition: padding .16s ease, background .16s ease; }
.download-list a:hover { padding-left: 14px; padding-right: 14px; background: var(--acid); }
.download-list span { display: grid; gap: 3px; }
.download-list strong { font-size: 17px; }
.download-list small { font-size: 13px; }
.download-list b { font-size: 25px; }
.kit-actions { margin-top: 28px; display: flex; flex-wrap: wrap; align-items: center; gap: 24px; }
.usage-link { font-weight: 800; text-underline-offset: 5px; }
.use-rule { margin-top: 46px; padding: 20px; border: 1px solid; display: grid; grid-template-columns: 140px 1fr; gap: 20px; }
.use-rule p { margin: 0; font-size: 14px; }

.open-letter { display: grid; grid-template-columns: 1fr 3fr; gap: 5vw; }
.letter-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 6vw; }
.letter-copy { padding-top: 44px; font-size: clamp(18px, 1.45vw, 23px); }
blockquote { margin: 30px 0; padding-left: 24px; border-left: 8px solid var(--red); font-size: clamp(26px, 3vw, 44px); font-weight: 800; line-height: 1.12; }
.feedback { min-height: 24px; margin-top: 16px; font-size: 14px; font-weight: 700; }
.share-toast { position: fixed; left: 50%; bottom: 28px; z-index: 1000; max-width: min(90vw, 620px); padding: 14px 18px; color: var(--ink); background: var(--acid); border: 2px solid var(--ink); box-shadow: 5px 5px 0 var(--paper); font-size: 14px; font-weight: 900; text-align: center; opacity: 0; pointer-events: none; transform: translate(-50%, 18px); transition: opacity .2s ease, transform .2s ease; }
.share-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

.closing { min-height: 72vh; padding: 8vw 4vw; display: flex; flex-direction: column; justify-content: space-between; position: relative; color: white; background: var(--ink); overflow: hidden; }
.closing::before { content: ""; position: absolute; width: 46vw; height: 18px; right: -6vw; bottom: 18%; background: var(--acid); transform: rotate(-8deg); }
.closing p { font-size: clamp(18px, 2vw, 30px); font-weight: 700; }
.closing h2 { max-width: 1100px; margin: 90px 0 0; color: var(--red); font-size: clamp(72px, 13vw, 190px); line-height: .75; position: relative; z-index: 1; }
.round-share { width: 166px; height: 166px; border: 2px solid var(--paper); border-radius: 50%; position: absolute; right: 5vw; top: 5vw; color: var(--ink); background: var(--acid); font-size: 14px; font-weight: 900; cursor: pointer; transform: rotate(8deg); transition: transform .2s ease; }
.round-share:hover { transform: rotate(0deg) scale(1.04); }

footer { padding: 46px 4vw; display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: end; gap: 30px; background: var(--paper); }
.footer-brand .brand-logo { width: 64px; height: 64px; }
footer p { margin: 0; max-width: 360px; font-size: 14px; }
.footer-meta { text-align: right; font-size: 12px; letter-spacing: .1em; }

@media (max-width: 900px) {
  nav a:not(.nav-action) { display: none; }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { min-height: 650px; }
  .hero-image { min-height: 66vh; }
  .sticker { left: auto; right: 22px; top: 590px; width: 168px; height: 168px; }
  .manifesto, .open-letter { grid-template-columns: 1fr; }
  .manifesto > .section-label, .open-letter > .section-label { margin-bottom: 0; }
  .solutions { grid-template-columns: 1fr 1fr; }
  .solutions article:nth-child(2) { border-right: 0; }
  .letter-layout { grid-template-columns: 1fr; }
  .letter-copy { padding-top: 0; }
  .kit-layout { grid-template-columns: 1fr; }
  .kit-visual { position: relative; top: auto; }
}

@media (max-width: 580px) {
  .topbar { min-height: 76px; }
  .brand-logo { width: 48px; height: 48px; }
  .nav-action { padding: 9px 12px; }
  .hero { min-height: auto; }
  .hero-copy { min-height: 590px; padding: 64px 5vw 56px; }
  h1 { font-size: clamp(68px, 23vw, 105px); }
  .lede { font-size: 18px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-image { min-height: 540px; }
  .sticker { top: 540px; width: 148px; height: 148px; }
  .manifesto, .open-letter, .standard { padding-left: 5vw; padding-right: 5vw; }
  .prose-grid { grid-template-columns: 1fr; }
  .solutions { grid-template-columns: 1fr; }
  .solutions article, .solutions article + article { min-height: 230px; padding: 24px 0 30px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.35); }
  .solutions h3 { margin-top: 70px; }
  .standard-rule { margin-left: -5vw; margin-right: -5vw; padding-left: 5vw; padding-right: 5vw; }
  .logo-kit { padding-left: 5vw; padding-right: 5vw; }
  .use-rule { grid-template-columns: 1fr; }
  .round-share { position: static; align-self: flex-end; margin-top: 60px; }
  footer { grid-template-columns: 1fr; }
  .footer-meta { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}