@font-face {
  font-family: 'Arial Narrow';
  src: url('./fonts/arial-narrow-regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Arial Narrow';
  src: url('./fonts/arial-narrow-bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light;
  --color-accent: #c8ff00;
  --color-bg: #fff;
  --color-ink: #000;
  --color-ink-soft: rgba(0, 0, 0, 0.6);
  --color-ink-faint: rgba(0, 0, 0, 0.35);
  --color-line: rgba(0, 0, 0, 0.08);
  --font-main: 'Arial Narrow', 'Barlow Condensed', Arial, sans-serif;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;
  --header-height: 52px;
  --page-width: 1280px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  min-width: 320px;
  min-height: 100%;
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

body {
  min-height: 100%;
  color: var(--color-ink);
  background: var(--color-bg);
  font-family: var(--font-main);
  font-size: 18px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

p {
  letter-spacing: normal;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

button,
input,
select {
  color: inherit;
  font: inherit;
}

.site-header {
  position: sticky;
  z-index: 60;
  top: 0;
  display: flex;
  height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 32px;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 84px;
  height: 32px;
  flex: 0 0 auto;
  fill: currentColor;
}

.brand span {
  padding-left: 14px;
  border-left: 1px solid var(--color-ink);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
}

.header-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-links a {
  font-size: 18px;
  line-height: 1;
  opacity: 0.3;
  text-transform: uppercase;
  transition: opacity 150ms ease;
}

.header-links a:first-child,
.header-links a:hover,
.header-links a:focus-visible {
  font-weight: 700;
  opacity: 1;
}

.hero {
  display: flex;
  min-height: calc(100svh - var(--header-height));
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: clamp(64px, 9vh, 104px) 24px 40px;
  text-align: center;
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  max-width: 760px;
  flex-direction: column;
  align-items: center;
  animation: heroEnter 480ms ease-out both;
}

.eyebrow {
  color: var(--color-ink-faint);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero h1 {
  margin-top: 24px;
  font-size: clamp(58px, 5.5vw, 78px);
  font-weight: 700;
  line-height: 0.88;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.hero-lede {
  max-width: 620px;
  margin-top: 22px;
  font-size: clamp(19px, 1.65vw, 25px);
  line-height: 1.16;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 26px 2px;
  border: 1px solid var(--color-ink);
  border-radius: 999px;
  font-size: 17px;
  line-height: 1;
  text-transform: uppercase;
  transition: background 150ms ease, color 150ms ease, transform 150ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button--primary {
  border-color: var(--color-accent);
  background: var(--color-accent);
}

.button--dark {
  color: var(--color-bg);
  background: var(--color-ink);
}

.hero-art {
  display: grid;
  width: min(960px, 94vw);
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: clamp(8px, 1.2vw, 16px);
  margin-top: 42px;
}

.hero-icon {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: var(--radius-m);
  opacity: 0;
  animation: iconEnter 520ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.hero-icon:nth-child(1) { animation-delay: 100ms; }
.hero-icon:nth-child(2) { animation-delay: 150ms; }
.hero-icon:nth-child(3) { animation-delay: 200ms; }
.hero-icon:nth-child(4) { animation-delay: 250ms; }
.hero-icon:nth-child(5) { animation-delay: 300ms; }
.hero-icon:nth-child(6) { animation-delay: 350ms; }

@keyframes heroEnter {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes iconEnter {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.intro {
  display: grid;
  max-width: var(--page-width);
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr);
  gap: clamp(48px, 10vw, 140px);
  margin: 0 auto;
  padding: 112px 32px;
  border-top: 1px solid var(--color-line);
}

.intro h2,
.catalog h2,
.usage h1 {
  font-size: clamp(48px, 4.5vw, 68px);
  font-weight: 700;
  line-height: 0.94;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.intro-copy {
  align-self: end;
}

.intro-copy p {
  margin-top: 16px;
  color: var(--color-ink-soft);
  font-size: 17px;
  line-height: 1.35;
}

.format-pair {
  display: grid;
  max-width: var(--page-width);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0 auto;
  border-block: 1px solid var(--color-line);
}

.format {
  display: grid;
  min-height: 520px;
  place-items: center;
  padding: 64px 32px 40px;
}

.format + .format {
  border-left: 1px solid var(--color-line);
  background: rgba(0, 0, 0, 0.018);
}

.format figure {
  width: min(100%, 310px);
}

.format img {
  width: 100%;
  transition: transform 180ms ease;
}

.format:hover img {
  transform: translateY(-4px);
}

.format figcaption {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 28px;
  padding-top: 12px;
  border-top: 1px solid var(--color-line);
  font-size: 15px;
  text-transform: uppercase;
}

.format figcaption span:first-child {
  font-weight: 700;
}

.catalog {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 120px 32px;
}

.catalog-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 40px;
}

.catalog-head .eyebrow {
  margin-bottom: 12px;
}

.count {
  color: var(--color-ink-faint);
  font-size: 15px;
  text-transform: uppercase;
}

.filters {
  position: sticky;
  z-index: 20;
  top: var(--header-height);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 8px;
  margin: 0 -4px 24px;
  padding: 8px 4px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.filters label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.filters input,
.filters select {
  width: 100%;
  min-height: 48px;
  padding: 0 16px 2px;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-m);
  outline: 0;
  background: var(--color-bg);
  font-size: 17px;
}

.filters input:focus,
.filters select:focus {
  box-shadow: 0 0 0 2px var(--color-accent);
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-top: 1px solid var(--color-line);
  border-left: 1px solid var(--color-line);
}

.icon-item {
  min-width: 0;
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  transition: background 150ms ease;
}

.icon-item[hidden] {
  display: none;
}

.icon-item:hover {
  background: var(--color-accent);
}

.icon-link {
  display: block;
  min-height: 100%;
  padding: 18px;
}

.icon-link img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  transition: transform 150ms ease;
}

.icon-link:hover img {
  transform: scale(1.035);
}

.icon-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--color-line);
}

.icon-name {
  overflow: hidden;
  font-size: 15px;
  font-weight: 700;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.icon-code {
  flex: 0 0 auto;
  color: var(--color-ink-faint);
  font-size: 10px;
}

.empty-state {
  padding: 48px 0;
  color: var(--color-ink-soft);
  font-size: 24px;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 400ms ease, transform 400ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.detail-main,
.usage {
  max-width: 1180px;
  margin: 0 auto;
  padding: 64px 32px 112px;
}

.breadcrumb {
  margin-bottom: 52px;
  color: var(--color-ink-soft);
  font-size: 13px;
  text-transform: uppercase;
}

.breadcrumb a,
.asset-preview a,
.license-note a,
.usage a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
  gap: clamp(48px, 8vw, 112px);
  align-items: center;
}

.detail-visual {
  display: grid;
  aspect-ratio: 1;
  place-items: center;
  border-radius: var(--radius-m);
  background: rgba(0, 0, 0, 0.025);
}

.detail-visual img {
  width: 68%;
}

.detail-copy h1 {
  font-size: clamp(52px, 5.3vw, 76px);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.emoji-glyph {
  display: block;
  margin-bottom: 16px;
  font-size: 26px;
}

.detail-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 36px;
}

.detail-facts div {
  padding-top: 10px;
  border-top: 1px solid var(--color-line);
}

.detail-facts dt {
  color: var(--color-ink-faint);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.detail-facts dd {
  margin-top: 5px;
  font-size: 17px;
}

.detail-copy .actions {
  justify-content: flex-start;
}

.asset-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 112px;
  border-block: 1px solid var(--color-line);
}

.asset-preview {
  padding: 64px 48px;
  text-align: center;
}

.asset-preview + .asset-preview {
  border-left: 1px solid var(--color-line);
  background: rgba(0, 0, 0, 0.018);
}

.asset-preview img {
  width: min(100%, 300px);
  margin: 0 auto 28px;
}

.asset-preview h2,
.license-note h2,
.usage h2 {
  font-size: clamp(32px, 3.4vw, 48px);
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.asset-preview p,
.license-note p,
.usage p,
.usage li {
  color: var(--color-ink-soft);
  font-size: 16px;
  line-height: 1.4;
}

.asset-preview p {
  margin: 12px 0 20px;
}

.license-note,
.usage section {
  max-width: 760px;
  margin-top: 80px;
}

.license-note p,
.usage p {
  margin-top: 16px;
}

.usage > .eyebrow {
  margin-bottom: 20px;
}

.usage ul,
.usage ol {
  margin: 16px 0 0 20px;
}

pre {
  overflow-x: auto;
  margin-top: 20px;
  padding: 24px;
  border-radius: var(--radius-m);
  color: var(--color-bg);
  background: var(--color-ink);
  font: 13px/1.6 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0;
}

.site-footer {
  display: flex;
  min-height: 148px;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding: 32px;
  border-top: 1px solid var(--color-line);
}

.footer-brand {
  flex: 0 0 auto;
}

.footer-mark {
  width: 138px;
  height: auto;
  fill: currentColor;
}

.footer-copy {
  display: flex;
  max-width: 720px;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px 24px;
  color: var(--color-ink-soft);
  font-size: 13px;
  text-align: right;
}

.footer-copy a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 980px) {
  .icon-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .detail-hero {
    grid-template-columns: 1fr;
  }

  .detail-visual {
    max-width: 680px;
  }
}

@media (max-width: 700px) {
  body {
    font-size: 16px;
  }

  .site-header {
    gap: 12px;
    padding: 0 16px;
  }

  .brand-mark {
    width: 72px;
    height: 28px;
  }

  .brand span,
  .header-links a:first-child {
    display: none;
  }

  .header-links {
    gap: 14px;
  }

  .header-links a {
    font-size: 15px;
  }

  .hero {
    min-height: calc(100svh - var(--header-height));
    padding: 70px 14px 32px;
  }

  .hero h1 {
    margin-top: 20px;
    font-size: clamp(44px, 12vw, 54px);
    line-height: 0.92;
  }

  .hero-lede {
    max-width: 350px;
    margin-top: 16px;
    font-size: 17px;
  }

  .actions {
    margin-top: 20px;
  }

  .button {
    min-height: 46px;
    padding-inline: 20px;
    font-size: 16px;
  }

  .hero-art {
    width: min(100%, 340px);
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-top: 32px;
  }

  .hero-icon {
    width: 100%;
    border-radius: 10px;
  }

  .intro {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 80px 16px;
  }

  .intro h2,
  .catalog h2,
  .usage h1 {
    font-size: 42px;
  }

  .format-pair,
  .asset-row {
    grid-template-columns: 1fr;
  }

  .format {
    min-height: 420px;
    padding: 52px 24px 32px;
  }

  .format + .format,
  .asset-preview + .asset-preview {
    border-top: 1px solid var(--color-line);
    border-left: 0;
  }

  .catalog {
    padding: 88px 16px;
  }

  .catalog-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }

  .filters {
    grid-template-columns: 1fr;
  }

  .icon-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .icon-link {
    padding: 14px;
  }

  .icon-name {
    font-size: 13px;
  }

  .detail-main,
  .usage {
    padding: 40px 16px 80px;
  }

  .breadcrumb {
    margin-bottom: 32px;
  }

  .detail-copy h1 {
    font-size: 48px;
  }

  .detail-facts {
    grid-template-columns: 1fr;
  }

  .asset-row {
    margin-top: 80px;
  }

  .asset-preview {
    padding: 52px 24px;
  }

  .site-footer {
    min-height: 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 28px;
    padding: 40px 16px;
  }

  .footer-mark {
    width: 132px;
  }

  .footer-copy {
    justify-content: flex-start;
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}