:root {
  --ink: #111111;
  --paper: #f0eeed;
  --white: #ffffff;
  --red: #ff3029;
  --muted: #666361;
  --muted-2: #8a8785;
  --line: rgba(17, 17, 17, 0.16);
  --line-on-ink: rgba(240, 238, 237, 0.16);
  --mono: "DM Mono", ui-monospace, monospace;
  --sans: "Manrope", system-ui, sans-serif;
  --gutter: clamp(24px, 6.5vw, 120px);
  --section-y: clamp(96px, 11vw, 160px);
  --header-h: 80px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
}
::selection {
  background: var(--red);
  color: var(--paper);
}
:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}
h1,
h2,
h3 {
  font-weight: 500;
  margin: 0;
}
h3 {
  letter-spacing: -0.03em;
}

/* ---------- Shared primitives ---------- */

.section-pad {
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.eyebrow,
.section-number,
.micro-label {
  margin: 0;
  font: 500 10px/1 var(--mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}
.section-number {
  color: var(--muted);
}

.reveal {
  --delay: 0ms;
}
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.8s var(--ease) var(--delay),
    transform 0.8s var(--ease) var(--delay);
}
.js .reveal.in {
  opacity: 1;
  transform: none;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header-h);
  padding: 0 clamp(20px, 3.2vw, 48px);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.brand {
  display: flex;
  align-items: center;
}
.brand img {
  width: 30px;
  height: 30px;
}
.site-menu {
  display: contents;
}
nav {
  display: flex;
  gap: 32px;
  font: 400 11px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
nav a {
  position: relative;
  padding: calc(var(--header-h) / 2 - 6px) 0;
  color: var(--muted);
  transition: color 0.2s;
}
nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
nav a:hover {
  color: var(--ink);
}
nav a[aria-current] {
  color: var(--ink);
}
nav a[aria-current]::after {
  transform: scaleX(1);
}
.download-link {
  justify-self: end;
  font: 500 11px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.download-link span {
  color: var(--red);
  transition: transform 0.3s var(--ease);
}
.download-link:hover span {
  transform: translateY(2px);
}
.menu-button {
  display: none;
  border: 0;
  background: none;
  text-transform: uppercase;
  font: 500 11px var(--mono);
  letter-spacing: 0.06em;
  padding: 10px 0;
  cursor: pointer;
}

/* ---------- Hero ---------- */

.hero {
  min-height: calc(100svh - var(--header-h));
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 4vw;
  overflow: hidden;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 16px;
}
.eyebrow span {
  color: var(--muted-2);
}
.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
}
h1 {
  font-size: clamp(72px, 8.8vw, 144px);
  line-height: 0.86;
  letter-spacing: -0.075em;
  margin: 42px 0 44px;
}
.hero-foot {
  display: grid;
  grid-template-columns: minmax(96px, 0.22fr) 1fr;
  gap: 24px;
  align-items: start;
}
.hero-meta {
  margin: 0;
  padding-top: 5px;
  font: 400 10px/1.7 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.hero-intro {
  max-width: 560px;
  margin: 0;
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.55;
  color: #4b4a49;
}
.hero-mark {
  aspect-ratio: 1;
  width: min(38vw, 560px);
  justify-self: end;
  position: relative;
  display: grid;
  place-items: center;
}
.hero-mark img {
  width: 52%;
  z-index: 2;
}
.orbit {
  position: absolute;
  border: 1px solid var(--line);
  border-radius: 50%;
}
.orbit-one {
  inset: 4%;
}
.orbit-two {
  inset: 20%;
  border-style: dashed;
  animation: spin 32s linear infinite;
}
.orbit-two::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--red);
  transform: translateX(-50%);
}
.coordinate {
  position: absolute;
  font: 400 9px var(--mono);
  letter-spacing: 0.1em;
  color: var(--muted-2);
}
.coordinate-a {
  top: 2%;
  right: 10%;
}
.coordinate-b {
  bottom: 6%;
  left: 3%;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ---------- Section heads ---------- */

.section-head {
  display: grid;
  grid-template-columns: 1fr 0.55fr;
  gap: 6vw;
  align-items: end;
  margin-bottom: clamp(56px, 6vw, 90px);
}
.section-head .section-number {
  margin-bottom: 46px;
}
.section-note {
  max-width: 440px;
  font-size: 17px;
  line-height: 1.55;
  margin: 0;
  color: var(--muted);
}
h2 {
  font-size: clamp(52px, 6vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.065em;
}

/* ---------- 01 Meaning ---------- */

.manifesto {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
  border-top: 1px solid var(--line);
}
.manifesto-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 8vw;
  margin: 46px 0 clamp(64px, 7vw, 110px);
}
.body-copy {
  font-size: 18px;
  line-height: 1.65;
  max-width: 570px;
}
.body-copy p {
  margin: 0 0 24px;
}
.body-copy p:last-child {
  margin-bottom: 0;
}
.meaning-visual {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.idea-panel {
  min-height: 600px;
  padding: 28px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: var(--paper);
}
.idea-meta {
  display: flex;
  justify-content: space-between;
  font: 500 10px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.idea-meta span:first-child {
  color: var(--red);
}
.idea-art {
  display: grid;
  place-items: center;
}
.idea-art img {
  width: clamp(150px, 17vw, 230px);
}
.single-dot {
  width: clamp(130px, 15vw, 200px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--red);
}
.idea-copy {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 32px;
  align-items: start;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.idea-copy h3 {
  font-size: 22px;
}
.idea-copy p {
  max-width: 350px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}
.idea-result {
  grid-column: 1 / -1;
  min-height: 480px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--ink);
  color: var(--paper);
}
.result-mark {
  display: grid;
  place-items: center;
  border-right: 1px solid var(--line-on-ink);
}
.result-mark img {
  width: clamp(160px, 20vw, 280px);
}
.result-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(42px, 7vw, 100px);
}
.result-copy .micro-label {
  margin-bottom: 32px;
  color: var(--red);
}
.result-copy h3 {
  margin: 0 0 30px;
  font-size: clamp(36px, 4vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.055em;
}
.result-copy > p:last-child {
  max-width: 420px;
  margin: 0;
  color: #aaa7a5;
  font-size: 15px;
  line-height: 1.65;
}

/* ---------- 02 Marks ---------- */

.marks {
  background: var(--white);
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
}
.asset-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.asset-card {
  margin: 0;
  display: flex;
  flex-direction: column;
  container-type: inline-size;
}
.asset-preview {
  height: 390px;
  display: grid;
  place-items: center;
  padding: 10%;
}
.logo-card img {
  width: min(70%, 390px);
}
.icon-card img {
  width: 130px;
}
.asset-card figcaption {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px 20px;
  border-top: 1px solid color-mix(in srgb, currentColor 18%, transparent);
  font: 400 10px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
@container (max-width: 300px) {
  .asset-card figcaption span:nth-child(2) {
    display: none;
  }
  .asset-card figcaption a {
    margin-left: auto;
  }
}
.asset-card figcaption span:nth-child(2) {
  margin-left: auto;
  opacity: 0.6;
}
.asset-card figcaption a {
  padding-left: 24px;
  border-left: 1px solid color-mix(in srgb, currentColor 18%, transparent);
  opacity: 0.6;
  transition: opacity 0.2s;
}
.asset-card figcaption a:hover {
  opacity: 1;
}
.light-card {
  background: var(--white);
}
.dark-card {
  background: var(--ink);
  color: var(--paper);
}
.red-card {
  background: var(--red);
  color: var(--paper);
}
.warm-card {
  background: var(--paper);
}

.clearspace {
  margin-top: clamp(80px, 9vw, 130px);
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 9vw;
  align-items: center;
}
.clearspace-copy h3 {
  font-size: 34px;
  letter-spacing: -0.04em;
  margin: 28px 0 18px;
}
.clearspace-copy > p:last-child {
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 390px;
  margin: 0;
}
.clearspace-demo {
  height: 440px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background-color: var(--white);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: center;
}
/* One unit = the dot's diameter (0.4 of the symbol width). */
.safe-area {
  --mark: 120px;
  --unit: calc(var(--mark) * 0.4);
  position: relative;
  padding: var(--unit);
  width: calc(var(--mark) + var(--unit) * 2);
  aspect-ratio: 1;
  border: 1px dashed var(--red);
  background: rgba(255, 255, 255, 0.92);
}
.safe-area::after {
  content: "";
  position: absolute;
  inset: var(--unit);
  border: 1px solid var(--line);
  pointer-events: none;
}
.safe-area img {
  width: var(--mark);
}
.measure {
  position: absolute;
  display: grid;
  place-items: center;
  font: 500 10px var(--mono);
  color: var(--red);
}
.measure-top {
  top: 0;
  left: 50%;
  height: var(--unit);
  transform: translateX(-50%);
}
.measure-left {
  left: 0;
  top: 50%;
  width: var(--unit);
  transform: translateY(-50%);
}

/* ---------- 03 Usage ---------- */

.usage {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
}
.rules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.rule {
  background: var(--paper);
  display: flex;
  flex-direction: column;
}
.rule-label {
  height: 54px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  font: 500 11px var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.rule-label span {
  font-size: 16px;
}
.do-rule .rule-label span {
  color: #29894a;
}
.dont-rule .rule-label span {
  color: var(--red);
}
.rule-stage {
  height: 360px;
  display: grid;
  place-items: center;
  padding: 14%;
  overflow: hidden;
  background: var(--white);
}
.rule-stage img {
  width: min(70%, 310px);
}
.rule p {
  border-top: 1px solid var(--line);
  margin: 0;
  padding: 20px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
}
.distorted img {
  transform: scaleX(1.45) rotate(-5deg);
}
.noisy {
  background: repeating-linear-gradient(
    45deg,
    #343234 0 12px,
    #f23c36 12px 24px,
    #cab2a5 24px 36px
  );
}
.noisy img {
  width: 120px;
  opacity: 0.58;
}
.over-red {
  background: #ff8f8b;
}
.over-red img {
  width: 120px;
}

/* ---------- 04 Color ---------- */

.color-section {
  background: var(--white);
  padding-top: var(--section-y);
}
.color-intro .section-head {
  margin-bottom: clamp(56px, 6vw, 80px);
}
.proportion {
  padding-bottom: clamp(56px, 6vw, 90px);
}
.proportion .micro-label {
  color: var(--muted);
  margin-bottom: 18px;
}
.proportion-bar {
  display: flex;
  height: 14px;
  gap: 2px;
}
.proportion-bar span {
  flex: var(--w) 0 0;
  min-width: 4px;
}
.proportion-bar .paper {
  background: var(--paper);
  box-shadow: inset 0 0 0 1px var(--line);
}
.proportion-bar .ink {
  background: var(--ink);
}
.proportion-bar .red {
  background: var(--red);
}
.proportion-legend {
  display: flex;
  gap: 28px;
  margin-top: 14px;
  font: 400 10px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.swatches {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  height: 460px;
}
.swatch {
  border: 0;
  text-align: left;
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  cursor: pointer;
  position: relative;
}
.swatch-name {
  font: 500 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.swatch strong {
  margin-top: auto;
  font: 400 clamp(24px, 3vw, 48px) var(--mono);
  letter-spacing: -0.02em;
}
.swatch small {
  margin-top: 14px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  opacity: 0.55;
  font: 400 9px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: opacity 0.2s;
}
.swatch:hover small {
  opacity: 0.9;
}
.swatch.copied small span:last-child {
  opacity: 1;
}
.swatch.ink {
  background: var(--ink);
  color: var(--paper);
}
.swatch.paper {
  background: var(--paper);
  color: var(--ink);
  box-shadow: inset 0 1px 0 var(--line);
}
.swatch.red {
  background: var(--red);
  color: var(--paper);
}

/* ---------- Closing & footer ---------- */

.closing {
  min-height: 720px;
  background: var(--red);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8vw;
}
.closing img {
  width: clamp(130px, 17vw, 250px);
  filter: brightness(0) invert(1);
}
.closing p {
  margin: 0;
  font-size: clamp(55px, 8vw, 125px);
  font-weight: 500;
  line-height: 0.94;
  letter-spacing: -0.07em;
}
.closing em {
  font-style: normal;
  color: var(--ink);
}
footer {
  min-height: 250px;
  background: var(--ink);
  color: var(--paper);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: end;
  padding: 50px var(--gutter);
  font: 400 10px/1.65 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
footer img {
  width: 150px;
}
footer p {
  margin: 0;
  justify-self: center;
  color: #aaa;
}
footer a {
  justify-self: end;
  transition: color 0.2s;
}
footer a:hover {
  color: var(--red);
}
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 20px);
  background: var(--ink);
  color: var(--paper);
  padding: 12px 18px;
  font: 500 10px var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.25s var(--ease),
    transform 0.25s var(--ease);
  z-index: 50;
}
.toast span {
  color: var(--red);
  padding-left: 6px;
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  :root {
    --header-h: 64px;
  }
  .site-header {
    grid-template-columns: 1fr auto;
  }
  .site-menu {
    display: none;
  }
  .menu-button {
    display: block;
  }
  .site-header.open .site-menu {
    display: block;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    padding: 8px var(--gutter) 28px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }
  .site-header.open nav {
    flex-direction: column;
    gap: 0;
    font-size: 13px;
  }
  .site-header.open nav a {
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
  }
  .site-header.open nav a::after {
    display: none;
  }
  .site-header.open nav a[aria-current]::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--red);
    margin-right: 12px;
    vertical-align: middle;
  }
  .site-header.open .download-link {
    display: inline-flex;
    margin-top: 24px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 90px;
    padding-bottom: 80px;
  }
  .hero-mark {
    width: 80vw;
    justify-self: center;
    margin-top: 80px;
  }
  .hero-foot {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .manifesto-grid,
  .section-head,
  .clearspace {
    grid-template-columns: 1fr;
  }
  .manifesto-grid {
    gap: 42px;
  }
  .section-note {
    margin-top: 35px;
  }
  .meaning-visual {
    grid-template-columns: 1fr;
  }
  .idea-panel {
    min-height: 520px;
  }
  .idea-result {
    grid-column: auto;
  }
  .clearspace {
    gap: 60px;
  }
  .asset-preview {
    height: 300px;
  }
  .swatches {
    height: auto;
    grid-template-columns: 1fr;
  }
  .swatch {
    min-height: 250px;
  }
  .closing {
    min-height: 600px;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
  }
}

@media (max-width: 620px) {
  h1 {
    font-size: 16.5vw;
  }
  .hero {
    min-height: auto;
  }
  .hero-mark {
    width: 100%;
  }
  .asset-grid,
  .rules-grid {
    grid-template-columns: 1fr;
  }
  .asset-card figcaption {
    gap: 10px;
    padding: 16px 14px;
  }
  .asset-card figcaption a {
    padding-left: 12px;
  }
  .asset-preview {
    height: 280px;
  }
  .rule-stage {
    height: 280px;
  }
  .clearspace-demo {
    height: 350px;
  }
  .safe-area {
    --mark: 100px;
  }
  .proportion-legend {
    flex-wrap: wrap;
    gap: 10px 20px;
  }
  footer {
    grid-template-columns: 1fr 1fr;
    gap: 45px;
    padding: 45px var(--gutter);
  }
  footer p {
    display: none;
  }
  .idea-panel {
    min-height: 470px;
    padding: 22px;
  }
  .idea-copy {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .idea-result {
    grid-template-columns: 1fr;
  }
  .result-mark {
    min-height: 360px;
    border-right: 0;
    border-bottom: 1px solid var(--line-on-ink);
  }
  .result-copy {
    min-height: 390px;
  }
}

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