@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=Instrument+Serif:ital@0;1&display=swap');

:root {
  color-scheme: light;
  --paper: #f4f2ed;
  --ink: #171714;
  --muted: #77736b;
  --focus-height: 38vh;
  --focus-center: 40vh;
  --feather: 96px;
  --dial-rotation: -8deg;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 0%, rgba(255, 255, 255, 0.82), transparent 34rem),
    var(--paper);
  font-family: "DM Sans", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

::selection {
  color: var(--paper);
  background: var(--ink);
}

.site-header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  width: min(100% - 48px, 1160px);
  margin: 0 auto;
  padding: 28px 0;
  border-bottom: 1px solid rgba(23, 23, 20, 0.13);
}

.site-header p,
.wordmark {
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.wordmark {
  color: inherit;
  text-decoration: none;
}

.wordmark span {
  color: var(--muted);
}

.site-header p {
  color: var(--muted);
}

main {
  position: relative;
  z-index: 1;
}

article {
  width: min(100% - 48px, 680px);
  margin: 0 auto;
  padding: clamp(84px, 13vh, 150px) 0 35vh;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--muted);
  font-family: "DM Sans", system-ui, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
blockquote {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
}

h1 {
  max-width: 620px;
  margin: 0 0 28px;
  font-size: clamp(64px, 10vw, 112px);
  line-height: 0.88;
  letter-spacing: -0.045em;
}

.dek {
  margin-bottom: 72px;
  color: #494740;
  font-family: "Instrument Serif", Georgia, serif;
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1.18;
}

article p {
  margin: 0 0 30px;
  font-size: clamp(17px, 1.7vw, 19px);
  line-height: 1.82;
  letter-spacing: -0.01em;
}

h2 {
  margin: 76px 0 24px;
  font-size: clamp(38px, 6vw, 54px);
  line-height: 1;
  letter-spacing: -0.025em;
}

blockquote {
  margin: 78px -7vw;
  padding: 8px 7vw;
  text-align: center;
  font-size: clamp(40px, 7vw, 66px);
  font-style: italic;
  line-height: 1.08;
}

.ending {
  margin-top: 78px;
  color: var(--muted);
  font-size: 14px;
}

.sample-attribution {
  margin-top: -6px;
  color: var(--muted);
  font-size: 14px;
  font-style: normal;
}

blockquote + .sample-attribution {
  margin-top: -58px;
  margin-bottom: 56px;
  text-align: center;
}

.sample-tabs-bar {
  position: sticky;
  top: 0;
  z-index: 15;
  width: 100%;
  background: rgba(244, 242, 237, 0.72);
  border-bottom: 1px solid rgba(23, 23, 20, 0.06);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.sample-tabs {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 8px;
  width: min(100% - 48px, 900px);
  margin: 0 auto;
  padding: 26px 0;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.sample-tabs::-webkit-scrollbar {
  display: none;
}

.sample-tab {
  padding: 11px 20px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: "DM Sans", system-ui, sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.sample-tab:hover {
  color: var(--ink);
}

.sample-tab.is-active {
  background: rgba(23, 23, 20, 0.06);
  color: var(--ink);
}

.sample-tab:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.sample-panel[hidden] {
  display: none;
}

.focus-layer {
  position: fixed;
  z-index: 10;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.blur-zone {
  position: absolute;
  left: 0;
  width: 100%;
  background: rgba(244, 242, 237, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  will-change: height, top;
}

.blur-zone--top {
  top: 0;
  height: calc(var(--focus-center) - var(--focus-height) / 2);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 calc(100% - var(--feather)), transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, #000 calc(100% - var(--feather)), transparent 100%);
}

.blur-zone--bottom {
  bottom: 0;
  top: calc(var(--focus-center) + var(--focus-height) / 2);
  -webkit-mask-image: linear-gradient(to top, #000 0%, #000 calc(100% - var(--feather)), transparent 100%);
  mask-image: linear-gradient(to top, #000 0%, #000 calc(100% - var(--feather)), transparent 100%);
}

.focus-frame {
  position: absolute;
  top: var(--focus-center);
  left: 0;
  width: 100%;
  height: var(--focus-height);
  transform: translateY(-50%);
  border-top: 1px solid rgba(23, 23, 20, 0.035);
  border-bottom: 1px solid rgba(23, 23, 20, 0.035);
  transition: height 220ms cubic-bezier(0.22, 1, 0.36, 1), top 160ms ease-out;
}

.focus-grip {
  position: absolute;
  z-index: 1;
  top: var(--focus-center);
  left: 18px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 42px;
  height: 28px;
  align-items: center;
  justify-content: center;
  transform: translateY(-50%);
  border-radius: 14px;
  outline: none;
  background: rgba(244, 242, 237, 0.72);
  box-shadow: inset 0 0 0 1px rgba(23, 23, 20, 0.11);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: ns-resize;
  pointer-events: auto;
  touch-action: none;
  transition: top 160ms ease-out, opacity 180ms ease;
}

.focus-grip span {
  width: 16px;
  height: 2px;
  background: rgba(23, 23, 20, 0.48);
}

.focus-grip:hover,
.focus-grip.is-dragging {
  background: rgba(244, 242, 237, 0.94);
}

.focus-grip:focus-visible {
  box-shadow:
    inset 0 0 0 1px var(--ink),
    0 0 0 2px var(--paper),
    0 0 0 3px var(--ink);
}

.focus-layer.is-positioning .focus-frame,
.focus-layer.is-positioning .focus-grip,
.focus-layer.is-positioning .dial-hint {
  transition: none;
}

.dial-wrap {
  position: fixed;
  z-index: 20;
  top: 50%;
  right: 0;
  width: 112px;
  height: 208px;
  transform: translateY(-50%);
}

.dial-hint {
  position: absolute;
  z-index: 1;
  top: var(--focus-center);
  left: 70px;
  width: max-content;
  margin: 0;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: top 160ms ease-out, opacity 400ms ease, transform 400ms ease;
}

body.has-adjusted .dial-hint {
  opacity: 0;
}

.dial {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border: 1px solid rgba(23, 23, 20, 0.24);
  border-right: 0;
  border-radius: 208px 0 0 208px;
  outline: none;
  background: rgba(244, 242, 237, 0.88);
  box-shadow:
    inset 1px 0 0 rgba(255, 255, 255, 0.8),
    -4px 0 24px rgba(23, 23, 20, 0.055);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  cursor: ns-resize;
  touch-action: none;
  user-select: none;
}

.dial:focus-visible {
  box-shadow:
    inset 0 0 0 2px var(--paper),
    inset 0 0 0 4px var(--ink),
    -4px 0 24px rgba(23, 23, 20, 0.07);
}

.dial::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  width: 12px;
  height: 1px;
  background: var(--ink);
}

.dial-scale {
  position: absolute;
  top: 50%;
  right: -100px;
  width: 200px;
  height: 200px;
  transform: translateY(-50%) rotate(var(--dial-rotation));
  transition: transform 210ms cubic-bezier(0.22, 1, 0.36, 1);
}

.dial-scale span {
  position: absolute;
  top: 50%;
  left: 0;
  width: 13px;
  height: 1px;
  background: rgba(23, 23, 20, 0.38);
  transform-origin: 100px 50%;
}

.dial-scale span:nth-child(1) { transform: rotate(-72deg); }
.dial-scale span:nth-child(2) { transform: rotate(-54deg); }
.dial-scale span:nth-child(3) { transform: rotate(-36deg); }
.dial-scale span:nth-child(4) { transform: rotate(-18deg); }
.dial-scale span:nth-child(5) { transform: rotate(0deg); width: 18px; }
.dial-scale span:nth-child(6) { transform: rotate(18deg); }
.dial-scale span:nth-child(7) { transform: rotate(36deg); }
.dial-scale span:nth-child(8) { transform: rotate(54deg); }
.dial-scale span:nth-child(9) { transform: rotate(72deg); }

.dial-readout {
  position: absolute;
  top: 50%;
  right: 19px;
  display: flex;
  align-items: baseline;
  gap: 4px;
  transform: translateY(-50%);
  font-variant-numeric: tabular-nums;
}

.dial-prefix {
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
}

.dial-value {
  min-width: 36px;
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.05em;
}

.dial.is-clicking .dial-readout {
  animation: settle 180ms ease-out;
}

@keyframes settle {
  0% { transform: translateY(-50%) scale(1); }
  45% { transform: translateY(-50%) scale(0.94); }
  100% { transform: translateY(-50%) scale(1); }
}

@media (max-width: 700px) {
  :root {
    --feather: 68px;
  }

  .site-header {
    width: calc(100% - 36px);
    padding: 20px 0;
  }

  .site-header p {
    display: none;
  }

  article {
    width: calc(100% - 52px);
    padding-top: 70px;
  }

  .sample-tabs {
    justify-content: flex-start;
    width: calc(100% - 52px);
    gap: 4px;
    padding: 18px 0;
  }

  .sample-tab {
    padding: 8px 14px;
    font-size: 12px;
  }

  blockquote {
    margin-inline: -10px;
    padding-inline: 10px;
  }

  .dial-wrap {
    width: 86px;
    height: 168px;
  }

  .dial-scale {
    right: -82px;
    width: 164px;
    height: 164px;
  }

  .dial-scale span {
    transform-origin: 82px 50%;
  }

  .dial-readout {
    right: 12px;
  }

  .dial-value {
    min-width: 30px;
    font-size: 24px;
  }

  .dial-hint {
    display: none;
  }
}

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

  .focus-frame,
  .focus-grip,
  .dial-scale,
  .dial-hint {
    transition: none;
  }

  .dial.is-clicking .dial-readout {
    animation: none;
  }
}