:root {
  color-scheme: light;
  --ink: #141412;
  --paper: #f4f0e8;
  --paper-deep: #ebe6dc;
  --muted: #6d6c66;
  --line: rgba(20, 20, 18, 0.2);
  --line-soft: rgba(20, 20, 18, 0.11);
  --body-copy: #4d4c47;
  --cobalt: #315bff;
  --shell: min(1360px, calc(100vw - 80px));
  --font-sans: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --font-mono: var(--font-sans);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --case-accent: var(--cobalt);
  --case-accent-ink: #fff;
  --case-hero: var(--paper);
  --case-hero-ink: var(--ink);
  --case-soft: #dfe6ff;
  --case-soft-ink: var(--ink);
  --case-stage: #dfe6ff;
}

body.case-pharaoh {
  --case-accent: #d95834;
  --case-accent-ink: #17120f;
  --case-hero: #f4efe5;
  --case-hero-ink: #211b15;
  --case-soft: #efca70;
  --case-soft-ink: #2a1e15;
  --case-stage: #efc968;
}

body.case-rustbuddy {
  --case-accent: #ff6038;
  --case-accent-ink: #1b1917;
  --case-hero: #1b1917;
  --case-hero-ink: #f3eee5;
  --case-soft: #28231f;
  --case-soft-ink: #f3eee5;
  --case-stage: #211e1b;
}

body.case-optitweaks {
  --case-accent: #315bff;
  --case-accent-ink: #fff;
  --case-hero: #edf4ff;
  --case-hero-ink: #141720;
  --case-soft: #d9e7ff;
  --case-soft-ink: #141720;
  --case-stage: #d9eaff;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #f3f0e8;
  --paper: #0d0f12;
  --paper-deep: #15181d;
  --muted: #91939a;
  --line: rgb(243 240 232 / 22%);
  --line-soft: rgb(243 240 232 / 12%);
  --body-copy: #b9b6ae;
}

:root[data-theme="dark"] body.case-pharaoh {
  --case-hero: #17120f;
  --case-hero-ink: #f3ede2;
  --case-soft: #70402e;
  --case-soft-ink: #fff5e7;
}

:root[data-theme="dark"] body.case-rustbuddy {
  --case-hero: #101311;
  --case-hero-ink: #f3eee5;
  --case-soft: #29231f;
  --case-soft-ink: #f3eee5;
}

:root[data-theme="dark"] body.case-optitweaks {
  --case-accent: #6f88ff;
  --case-accent-ink: #10141e;
  --case-hero: #10141e;
  --case-hero-ink: #f0f3fb;
  --case-soft: #1b294e;
  --case-soft-ink: #f3f6ff;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  scroll-behavior: auto;
}

body {
  min-width: 280px;
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 320ms ease, color 320ms ease;
}

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

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

:focus-visible {
  outline: 3px solid var(--case-accent);
  outline-offset: 5px;
}

.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: 100;
  top: 14px;
  left: 14px;
  padding: 12px 18px;
  transform: translateY(-180%);
  background: var(--case-accent);
  color: var(--case-accent-ink);
  font-size: 14px;
  font-weight: 700;
}

.skip-link:focus {
  transform: none;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.sound-toggle {
  right: 18px;
  bottom: 18px;
  min-height: 44px;
  padding: 0 17px;
  border: 0;
  border-radius: 0;
  background: var(--cobalt);
  color: #fff;
  box-shadow: none;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sound-toggle-meter {
  display: none;
}

.sound-toggle:hover,
.sound-toggle:focus-visible {
  background: var(--ink);
  color: #fff;
}

.case-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  display: grid;
  width: 100%;
  height: 88px;
  padding-inline: max(40px, calc((100vw - 1360px) / 2));
  align-items: center;
  grid-template-columns: 1fr auto;
  color: var(--case-hero-ink);
}

.case-header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.case-brand {
  display: inline-flex;
  width: max-content;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.case-brand-mark {
  position: relative;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--case-hero-ink) 25%, transparent);
  border-radius: 5px;
  background: var(--case-hero-ink);
  color: var(--case-hero);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.05em;
}

.case-brand-mark i {
  position: absolute;
  right: 3px;
  bottom: 3px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--case-accent);
}

.case-brand sup {
  position: relative;
  top: -0.35em;
  margin-left: 2px;
  color: color-mix(in srgb, var(--case-hero-ink) 55%, transparent);
  font-size: 0.5em;
}

.case-header-links {
  display: flex;
  align-items: center;
  gap: clamp(22px, 3vw, 46px);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-utility {
  display: inline-flex;
  min-height: 36px;
  padding: 0 10px;
  align-items: center;
  gap: 8px;
  border: 1px solid color-mix(in srgb, var(--case-hero-ink) 18%, transparent);
  border-radius: 4px;
  background: transparent;
  color: color-mix(in srgb, var(--case-hero-ink) 72%, transparent);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.075em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.case-utility:hover,
.case-utility:focus-visible,
.case-utility[aria-pressed="true"] {
  border-color: color-mix(in srgb, var(--case-hero-ink) 34%, transparent);
  background: color-mix(in srgb, var(--case-hero-ink) 8%, transparent);
  color: var(--case-hero-ink);
}

.case-theme-icon {
  width: 12px;
  height: 12px;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: linear-gradient(90deg, currentColor 50%, transparent 50%);
}

.case-music-bars {
  display: inline-flex;
  width: 13px;
  height: 12px;
  align-items: center;
  gap: 2px;
}

.case-music-bars i {
  width: 2px;
  height: 38%;
  border-radius: 2px;
  background: currentColor;
}

.case-utility[aria-pressed="true"] .case-music-bars i {
  animation: case-music-pulse 800ms ease-in-out infinite alternate;
}

.case-utility[aria-pressed="true"] .case-music-bars i:nth-child(2) {
  animation-delay: -300ms;
}

.case-utility[aria-pressed="true"] .case-music-bars i:nth-child(3) {
  animation-delay: -550ms;
}

@keyframes case-music-pulse {
  to { height: 100%; }
}

.case-header-links a {
  position: relative;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 9px;
}

.case-header-links a::after {
  position: absolute;
  right: 0;
  bottom: 6px;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: currentColor;
  content: "";
  transition: transform 260ms var(--ease-out);
}

.case-header-links a:hover::after,
.case-header-links a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

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

.case-hero {
  position: relative;
  padding: 150px 0 58px;
  overflow: clip;
  background: var(--case-hero);
  color: var(--case-hero-ink);
  isolation: isolate;
}

.case-hero::before {
  position: absolute;
  z-index: -1;
  top: 120px;
  right: -12vw;
  width: min(47vw, 720px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--case-soft);
  content: "";
  opacity: 0.58;
}

.case-rustbuddy .case-hero::before {
  right: -6vw;
  background: var(--case-accent);
  opacity: 0.16;
}

.case-optitweaks .case-hero::before {
  background: var(--cobalt);
  opacity: 0.12;
}

.case-hero-layout {
  display: block;
}

.case-hero-copy {
  display: grid;
  align-items: end;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(16px, 2vw, 32px);
}

.case-kicker,
.section-kicker,
.visual-caption,
.case-index,
.case-meta dt,
.system-index,
.next-kicker,
.case-footer {
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.case-kicker {
  display: flex;
  margin: 0;
  align-items: center;
  grid-column: 1 / 7;
  gap: 12px;
  color: color-mix(in srgb, var(--case-hero-ink) 60%, transparent);
  font-size: 11px;
  font-weight: 600;
}

.case-kicker::before {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--case-accent);
  content: "";
}

.case-index {
  display: block;
  margin: 0;
  grid-column: 9 / -1;
  justify-self: end;
  color: var(--case-hero-ink);
  font-size: 11px;
  font-weight: 600;
}

.case-title {
  margin: clamp(46px, 6vw, 88px) 0 0;
  grid-column: 1 / -1;
  font-size: clamp(94px, 14.2vw, 218px);
  font-weight: 500;
  letter-spacing: -0.085em;
  line-height: 0.76;
}

.case-pharaoh .case-title {
  font-size: clamp(88px, 13vw, 202px);
}

.case-title span {
  color: var(--case-accent);
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.055em;
}

.case-lede {
  max-width: 630px;
  margin: clamp(56px, 7vw, 94px) 0 0;
  grid-column: 1 / 7;
  color: color-mix(in srgb, var(--case-hero-ink) 76%, transparent);
  font-size: clamp(18px, 1.6vw, 23px);
  line-height: 1.55;
}

.case-actions {
  display: flex;
  margin-top: clamp(56px, 7vw, 94px);
  align-items: center;
  align-self: start;
  grid-column: 7 / 10;
  flex-wrap: wrap;
  gap: 12px;
}

.case-button {
  display: inline-flex;
  min-height: 54px;
  padding: 0 22px;
  align-items: center;
  justify-content: center;
  gap: 14px;
  border: 1px solid currentColor;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 220ms var(--ease-out);
}

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

.case-button:hover,
.case-button:focus-visible {
  transform: translateY(-3px);
  border-color: var(--case-accent);
  background: var(--case-accent);
  color: var(--case-accent-ink);
}

.case-button span {
  font-size: 17px;
}

.case-meta {
  display: grid;
  margin: clamp(56px, 7vw, 94px) 0 0;
  grid-column: 10 / -1;
  grid-template-columns: 1fr;
}

.case-meta > div {
  display: grid;
  padding: 11px 0;
  grid-template-columns: 80px 1fr;
  gap: 12px;
  border-top: 1px solid color-mix(in srgb, var(--case-hero-ink) 22%, transparent);
}

.case-meta dt {
  color: color-mix(in srgb, var(--case-hero-ink) 52%, transparent);
  font-size: 8px;
  font-weight: 650;
}

.case-meta dd {
  margin: 0;
  font-size: 12px;
  line-height: 1.35;
}

.case-visual {
  position: relative;
  width: min(1560px, calc(100vw - 48px));
  margin: clamp(74px, 8vw, 118px) 50% 0;
  transform: translateX(-50%);
  perspective: 1400px;
}

.visual-stage {
  position: relative;
  min-height: min(76svh, 850px);
  overflow: clip;
  background: var(--case-stage);
  isolation: isolate;
}

.visual-object {
  position: absolute;
  z-index: 3;
  inset: 7%;
  transform: rotateX(2deg) rotateY(-2deg);
  transform-style: preserve-3d;
  opacity: 1;
}

.has-js .visual-object {
  transform: translateY(42px) rotateX(8deg) rotateY(-7deg) scale(0.96);
  opacity: 0;
}

.has-js .motion-zone.is-in-view .visual-object {
  animation: object-arrive 1.25s var(--ease-out) both;
}

@keyframes object-arrive {
  to {
    transform: translateY(0) rotateX(2deg) rotateY(-2deg) scale(1);
    opacity: 1;
  }
}

.visual-caption {
  display: flex;
  padding-top: 14px;
  justify-content: space-between;
  color: color-mix(in srgb, var(--case-hero-ink) 62%, transparent);
  font-size: 9px;
  font-weight: 600;
}

.visual-caption span:last-child {
  color: var(--case-hero-ink);
}

/* Pharaoh's Food: a printed menu poster in a warm physical world. */
.pharaoh-stage {
  background:
    radial-gradient(circle at 78% 22%, #f8e0a1 0 13%, transparent 13.2%),
    linear-gradient(135deg, #efcb72, #e9b850);
}

.pharaoh-stage::before {
  position: absolute;
  right: -8%;
  bottom: -30%;
  width: 58%;
  aspect-ratio: 1;
  border: clamp(38px, 5vw, 78px) solid rgba(217, 88, 52, 0.72);
  border-radius: 50%;
  content: "";
}

.pharaoh-stage::after {
  position: absolute;
  top: 6%;
  left: 3%;
  color: rgba(33, 27, 21, 0.12);
  content: "PHARAOH’S";
  font-size: clamp(74px, 12vw, 190px);
  font-weight: 700;
  letter-spacing: -0.08em;
  line-height: 0.8;
}

.pharaoh-sun {
  position: absolute;
  top: 1%;
  right: 1%;
  width: min(26vw, 360px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 30%, rgba(255, 255, 255, 0.7), transparent 9%),
    #d95834;
  box-shadow: 22px 30px 70px rgba(110, 53, 28, 0.2);
  transform: translateZ(-30px);
}

.pharaoh-ring {
  position: absolute;
  top: 50%;
  left: 58%;
  width: min(48vw, 680px);
  aspect-ratio: 1;
  transform: translate3d(-50%, -50%, -10px);
  border: 2px solid rgba(33, 27, 21, 0.22);
  border-radius: 50%;
}

.pharaoh-ring::before,
.pharaoh-ring::after {
  position: absolute;
  border: 1px solid rgba(33, 27, 21, 0.16);
  border-radius: inherit;
  content: "";
}

.pharaoh-ring::before { inset: 17%; }
.pharaoh-ring::after { inset: 34%; }

.menu-board {
  position: absolute;
  z-index: 3;
  top: 9%;
  left: 9%;
  width: min(490px, 49%);
  min-height: 74%;
  padding: clamp(30px, 4vw, 58px);
  background: #fff8e9;
  color: #211b15;
  box-shadow: 34px 42px 70px rgba(94, 49, 26, 0.24);
  transform: translateZ(76px) rotate(-4.5deg);
}

.menu-board-head {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.menu-board-title {
  margin: clamp(44px, 6vw, 82px) 0 clamp(34px, 4vw, 58px);
  font-family: var(--font-serif);
  font-size: clamp(46px, 5.5vw, 82px);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.82;
}

.menu-board-row {
  display: flex;
  padding: 14px 0;
  justify-content: space-between;
  border-bottom: 1px solid rgba(33, 27, 21, 0.18);
  font-size: 10px;
  font-weight: 600;
}

.menu-board-note {
  display: block;
  margin-top: 30px;
  color: #d95834;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.food-orb {
  position: absolute;
  z-index: 5;
  width: 92px;
  aspect-ratio: 1;
  border: 12px solid #98411f;
  border-radius: 48% 52% 45% 55%;
  background:
    radial-gradient(circle at 34% 30%, #efb65e 0 5%, transparent 6%),
    radial-gradient(circle at 65% 62%, #c46a35 0 5%, transparent 6%),
    #d27c3d;
  box-shadow: 16px 22px 34px rgba(100, 45, 24, 0.22);
}

.food-orb-one { right: 8%; bottom: 18%; transform: translateZ(110px) rotate(18deg); }
.food-orb-two { right: 25%; bottom: 7%; width: 62px; transform: translateZ(140px) rotate(-13deg); }
.food-orb-three { right: 4%; bottom: 42%; width: 48px; transform: translateZ(60px) rotate(38deg); }

.food-stamp {
  position: absolute;
  z-index: 7;
  top: 8%;
  right: 4%;
  display: grid;
  width: 112px;
  aspect-ratio: 1;
  place-items: center;
  transform: translateZ(120px) rotate(10deg);
  border-radius: 50%;
  background: #fff8e9;
  color: #d95834;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
}

/* RustBuddy: a charcoal physical set with ember waypoints and paper notes. */
.rust-stage {
  background:
    radial-gradient(circle at 48% 48%, rgba(255, 96, 56, 0.13), transparent 34%),
    #211e1b;
}

.rust-stage::before {
  position: absolute;
  top: -18%;
  left: -7%;
  width: 48%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #ff6038;
  content: "";
  opacity: 0.9;
}

.rust-stage::after {
  position: absolute;
  right: 2%;
  bottom: 0;
  color: rgba(243, 238, 229, 0.07);
  content: "RUSTBUDDY";
  font-family: var(--font-serif);
  font-size: clamp(82px, 13vw, 210px);
  font-style: italic;
  line-height: 0.72;
}

.radar-disc {
  position: absolute;
  top: 52%;
  left: 52%;
  width: min(57vw, 710px);
  aspect-ratio: 1;
  overflow: hidden;
  transform: translate3d(-50%, -50%, 0);
  border: 2px solid rgba(243, 238, 229, 0.36);
  border-radius: 50%;
  background:
    radial-gradient(circle, transparent 0 25%, rgba(243, 238, 229, 0.15) 25.3% 25.7%, transparent 26% 49%, rgba(243, 238, 229, 0.12) 49.3% 49.7%, transparent 50%),
    #2a2622;
  box-shadow: 0 50px 90px rgba(0, 0, 0, 0.3);
}

.radar-disc::before,
.radar-disc::after {
  position: absolute;
  inset: 50% auto auto 50%;
  background: rgba(243, 238, 229, 0.2);
  content: "";
}

.radar-disc::before {
  width: 1px;
  height: 100%;
  transform: translate(-50%, -50%);
}

.radar-disc::after {
  width: 100%;
  height: 1px;
  transform: translate(-50%, -50%);
}

.radar-sweep {
  position: absolute;
  inset: -2%;
  border-radius: 50%;
  background: conic-gradient(from -36deg, transparent 0 82%, rgba(255, 96, 56, 0.42) 94%, transparent 95%);
  transform: rotate(-32deg);
}

.motion-zone.is-in-view .radar-sweep {
  animation: radar-arrive 1.4s var(--ease-out) both;
}

@keyframes radar-arrive {
  from { transform: rotate(-80deg); opacity: 0; }
  to { transform: rotate(-32deg); opacity: 1; }
}

.radar-core {
  position: absolute;
  z-index: 3;
  top: 52%;
  left: 52%;
  display: grid;
  width: 116px;
  aspect-ratio: 1;
  place-items: center;
  transform: translate3d(-50%, -50%, 80px);
  border-radius: 50%;
  background: #f3eee5;
  color: #211e1b;
  font-family: var(--font-serif);
  font-size: 34px;
  font-style: italic;
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.26);
}

.radar-point {
  position: absolute;
  z-index: 4;
  width: 15px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #ff6038;
  box-shadow: 0 0 0 10px rgba(255, 96, 56, 0.12);
}

.radar-point-one { top: 24%; left: 32%; }
.radar-point-two { top: 63%; right: 23%; }
.radar-point-three { right: 39%; bottom: 17%; }

.rust-panel {
  position: absolute;
  z-index: 6;
  width: min(300px, 36%);
  padding: clamp(20px, 2.5vw, 34px);
  border: 0;
  background: #f3eee5;
  color: #211e1b;
  box-shadow: 20px 28px 52px rgba(0, 0, 0, 0.25);
  text-transform: none;
}

.rust-panel small {
  display: block;
  margin-bottom: 28px;
  color: #777068;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rust-panel strong {
  display: block;
  font-size: clamp(20px, 2.1vw, 30px);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.rust-panel span {
  display: block;
  margin-top: 22px;
  color: #d84b28;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.rust-panel-status {
  top: 2%;
  left: 0;
  transform: translateZ(88px) rotate(-4deg);
}

.rust-panel-alert {
  right: 0;
  bottom: 4%;
  transform: translateZ(116px) rotate(3deg);
  background: #ff6038;
  color: #211e1b;
}

.rust-panel-alert small,
.rust-panel-alert span {
  color: #5e2517;
}

.rust-coordinates {
  display: none;
}

/* OptiTweaks: a crisp product plane floating through an icy studio. */
.opti-stage {
  background:
    radial-gradient(circle at 82% 18%, rgba(255, 255, 255, 0.9) 0 12%, transparent 12.2%),
    #d9eaff;
}

.opti-stage::before {
  position: absolute;
  top: 16%;
  right: 8%;
  width: min(34vw, 470px);
  aspect-ratio: 1;
  border-radius: 45% 55% 58% 42%;
  background:
    radial-gradient(circle at 30% 24%, rgba(255, 255, 255, 0.8), transparent 12%),
    #315bff;
  box-shadow: 30px 44px 80px rgba(49, 91, 255, 0.22);
  content: "";
}

.opti-stage::after {
  position: absolute;
  bottom: 2%;
  left: 2%;
  color: rgba(20, 23, 32, 0.1);
  content: "OPTITWEAKS";
  font-size: clamp(76px, 12vw, 190px);
  font-weight: 700;
  letter-spacing: -0.08em;
  line-height: 0.75;
}

.opti-window {
  position: absolute;
  z-index: 4;
  top: 10%;
  left: 2%;
  display: grid;
  width: 82%;
  height: 76%;
  overflow: hidden;
  grid-template-columns: 86px 1fr;
  transform: translateZ(68px) rotate(-3deg);
  border: 12px solid #fff;
  border-radius: 24px;
  background: #f9fbff;
  color: #141720;
  box-shadow: 36px 48px 90px rgba(45, 75, 132, 0.27);
}

.opti-sidebar {
  display: flex;
  padding: 24px 0;
  align-items: center;
  flex-direction: column;
  gap: 16px;
  background: #315bff;
}

.opti-logo,
.opti-user {
  display: grid;
  width: 38px;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  color: #315bff;
  font-size: 12px;
  font-weight: 700;
}

.opti-user {
  margin-top: auto;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.opti-nav-dot {
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 50%;
  background: linear-gradient(#fff 0 0) center / 11px 2px no-repeat;
  opacity: 0.48;
}

.opti-nav-dot.active {
  background-color: rgba(255, 255, 255, 0.19);
  opacity: 1;
}

.opti-dashboard {
  min-width: 0;
  padding: clamp(24px, 3.4vw, 50px);
}

.opti-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #707786;
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.opti-status {
  color: #315bff;
}

.opti-overview {
  display: grid;
  min-height: 54%;
  margin-top: clamp(22px, 3vw, 42px);
  padding: 0 0 clamp(22px, 3vw, 38px);
  grid-template-columns: 0.48fr 1fr;
  gap: clamp(20px, 4vw, 64px);
  border-bottom: 1px solid #c8d3e6;
  background: transparent;
}

.opti-score span,
.opti-chart-label {
  color: #737b8b;
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.opti-score strong {
  display: block;
  margin-top: clamp(36px, 5vw, 72px);
  color: #141720;
  font-family: var(--font-serif);
  font-size: clamp(64px, 7vw, 110px);
  font-weight: 400;
  letter-spacing: -0.07em;
  line-height: 0.72;
}

.opti-score small {
  color: #315bff;
  font-size: 9px;
  font-weight: 650;
}

.opti-chart {
  position: relative;
  overflow: hidden;
  border: 0;
  background: transparent;
}

.opti-chart svg {
  position: absolute;
  right: 0;
  bottom: 15%;
  width: 100%;
  overflow: visible;
}

.opti-chart path {
  fill: none;
  stroke: #315bff;
  stroke-linecap: round;
  stroke-width: 3;
  filter: none;
}

.opti-tools {
  display: grid;
  margin-top: clamp(18px, 2.5vw, 34px);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.opti-tool {
  padding: 0 18px;
  border: 0;
  border-left: 1px solid #c8d3e6;
  border-radius: 0;
  background: transparent;
}

.opti-tool:first-child {
  padding-left: 0;
  border-left: 0;
}

.opti-tool span {
  display: block;
  color: #788092;
  font-size: 8px;
  font-weight: 650;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.opti-tool strong {
  display: block;
  margin-top: 12px;
  color: #141720;
  font-size: 14px;
  font-weight: 600;
}

.opti-float-label {
  position: absolute;
  z-index: 7;
  padding: 0;
  transform: translateZ(110px);
  border: 0;
  background: transparent;
  color: #141720;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.opti-label-one { top: 4%; right: 2%; }
.opti-label-two { right: 0; bottom: 9%; color: #315bff; }
.opti-label-three { bottom: 3%; left: 1%; }

/* Editorial story */
.case-story {
  overflow: clip;
  background: var(--paper);
  color: var(--ink);
}

.story-section {
  position: relative;
  display: grid;
  padding: clamp(112px, 11vw, 174px) 0;
  grid-template-columns: minmax(150px, 0.25fr) minmax(0, 1fr);
  gap: clamp(48px, 8vw, 130px);
  border-top: 1px solid var(--line-soft);
  isolation: isolate;
}

.story-section:first-child {
  border-top: 0;
}

.story-section:nth-child(2)::before {
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  background: color-mix(in srgb, var(--case-soft) 26%, var(--paper));
  content: "";
}

.case-rustbuddy .story-section:nth-child(2)::before {
  background: #e9e2d9;
}

:root[data-theme="dark"] .case-rustbuddy .story-section:nth-child(2)::before {
  background: #171a18;
}

.section-kicker {
  display: flex;
  margin: 8px 0 0;
  align-items: flex-start;
  gap: 14px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 650;
}

.section-kicker::before {
  width: 36px;
  height: 2px;
  margin-top: 6px;
  background: var(--case-accent);
  content: "";
}

.story-content h2 {
  max-width: 1060px;
  margin: 0;
  font-size: clamp(54px, 7.2vw, 108px);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.9;
}

.story-content h2 span {
  color: var(--case-accent);
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.045em;
}

.story-copy {
  display: grid;
  max-width: 980px;
  margin-top: clamp(52px, 6vw, 84px);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(34px, 7vw, 98px);
}

.story-copy p {
  margin: 0;
  color: var(--body-copy);
  font-size: 17px;
  line-height: 1.72;
}

.story-copy p:first-child {
  color: var(--ink);
  font-size: clamp(19px, 1.6vw, 23px);
  font-weight: 500;
  line-height: 1.56;
}

.system-list {
  padding: 0;
  margin: clamp(64px, 8vw, 110px) 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.system-list li {
  display: grid;
  min-height: 210px;
  padding: 38px 0;
  align-items: center;
  grid-template-columns: 120px minmax(210px, 0.55fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 62px);
  border-bottom: 1px solid var(--line);
}

.system-index {
  color: var(--case-accent);
  font-family: var(--font-serif);
  font-size: clamp(44px, 5vw, 72px);
  font-weight: 400;
  letter-spacing: -0.04em;
}

.system-list h3 {
  margin: 0;
  font-size: clamp(28px, 3.2vw, 46px);
  font-weight: 550;
  letter-spacing: -0.05em;
  line-height: 0.96;
}

.system-list p {
  max-width: 530px;
  margin: 0;
  color: var(--body-copy);
  font-size: 16px;
  line-height: 1.68;
}

.build-signal {
  position: relative;
  display: grid;
  min-height: clamp(390px, 48vw, 600px);
  margin-top: clamp(70px, 8vw, 112px);
  overflow: clip;
  place-items: center;
  background: var(--case-soft);
  color: var(--case-soft-ink);
}

.build-signal::before {
  position: absolute;
  top: -28%;
  left: 50%;
  width: min(68vw, 850px);
  aspect-ratio: 1.35;
  transform: translateX(-50%) rotate(-8deg);
  border: clamp(28px, 4vw, 60px) solid color-mix(in srgb, var(--case-accent) 30%, transparent);
  border-radius: 50%;
  content: "";
}

.signal-line {
  position: absolute;
  top: 50%;
  right: 10%;
  left: 10%;
  height: 46%;
  transform: translateY(-50%) rotate(-4deg);
  border: 2px solid color-mix(in srgb, var(--case-soft-ink) 28%, transparent);
  border-radius: 50%;
}

.signal-node {
  position: relative;
  z-index: 2;
  display: grid;
  width: min(200px, 24vw);
  aspect-ratio: 1;
  place-items: center;
  border: 0;
  border-radius: 44% 56% 52% 48%;
  background:
    radial-gradient(circle at 30% 24%, rgba(255, 255, 255, 0.72), transparent 12%),
    var(--case-accent);
  color: var(--case-accent-ink);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 24px 30px 58px color-mix(in srgb, var(--case-accent) 24%, transparent);
  transform: rotate(-8deg);
}

.motion-zone.is-in-view .signal-node {
  animation: pebble-arrive 900ms var(--ease-out) both;
}

@keyframes pebble-arrive {
  from { transform: translateY(38px) rotate(-16deg) scale(0.86); opacity: 0; }
  to { transform: translateY(0) rotate(-8deg) scale(1); opacity: 1; }
}

.signal-node::before {
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: inherit;
  content: "";
}

.signal-node::after,
.signal-node i {
  display: none;
}

.signal-label {
  position: absolute;
  z-index: 3;
  max-width: 220px;
  padding: 0;
  border: 0;
  background: transparent;
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.2vw, 48px);
  font-style: italic;
  letter-spacing: -0.04em;
  line-height: 0.95;
  text-transform: none;
}

.signal-label-one { top: 16%; left: 7%; }
.signal-label-two { right: 7%; bottom: 15%; color: var(--case-soft-ink); text-align: right; }

.case-visit {
  display: grid;
  padding: clamp(88px, 10vw, 142px) 0;
  align-items: center;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  border-top: 1px solid var(--line-soft);
}

.case-visit p {
  max-width: 780px;
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(34px, 4.3vw, 64px);
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.case-story .case-button {
  border-color: var(--ink);
}

.case-story .case-button:hover,
.case-story .case-button:focus-visible {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.next-project {
  position: relative;
  display: block;
  overflow: clip;
  padding: clamp(98px, 12vw, 180px) 0;
  background: var(--case-accent);
  color: var(--case-accent-ink);
  isolation: isolate;
}

.next-project::after {
  position: absolute;
  z-index: -1;
  top: 50%;
  right: -6vw;
  width: min(48vw, 660px);
  aspect-ratio: 1;
  transform: translateY(-50%);
  border: clamp(36px, 5vw, 78px) solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  content: "";
  transition: transform 700ms var(--ease-out);
}

.next-project:hover::after,
.next-project:focus-visible::after {
  transform: translateY(-50%) rotate(14deg) scale(1.08);
}

.next-kicker {
  display: block;
  margin-bottom: 34px;
  font-size: 10px;
  font-weight: 650;
}

.next-project strong {
  display: flex;
  max-width: 1180px;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  font-size: clamp(64px, 10vw, 154px);
  font-weight: 500;
  letter-spacing: -0.08em;
  line-height: 0.79;
}

.next-project strong > span {
  font-size: clamp(36px, 5vw, 78px);
  transition: transform 300ms var(--ease-out);
}

.next-project:hover strong > span,
.next-project:focus-visible strong > span {
  transform: translate(10px, -7px);
}

.case-footer {
  display: grid;
  min-height: 126px;
  align-items: center;
  grid-template-columns: 1fr auto;
  border-top: 1px solid var(--line-soft);
  background: var(--paper);
  color: var(--muted);
  font-size: 9px;
  font-weight: 600;
}

.case-footer a {
  color: var(--ink);
}

.case-footer a:hover,
.case-footer a:focus-visible {
  color: var(--case-accent);
}

@media (max-width: 1120px) {
  :root {
    --shell: min(100% - 56px, 980px);
  }

  .case-header {
    padding-inline: 28px;
  }

  .case-title,
  .case-pharaoh .case-title {
    font-size: clamp(86px, 14vw, 152px);
  }

  .case-lede {
    grid-column: 1 / 7;
  }

  .case-actions {
    grid-column: 7 / -1;
  }

  .case-meta {
    margin-top: 54px;
    grid-column: 1 / -1;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px;
  }

  .case-meta > div {
    display: block;
  }

  .case-meta dt {
    margin-bottom: 8px;
  }

  .visual-stage {
    min-height: 690px;
  }

  .story-section {
    grid-template-columns: 130px 1fr;
    gap: 48px;
  }
}

@media (max-width: 820px) {
  :root {
    --shell: min(100% - 40px, 720px);
  }

  .case-hero {
    padding-top: 128px;
  }

  .case-header-actions {
    gap: 5px;
  }

  .case-utility > span:last-child {
    display: none;
  }

  .case-utility {
    justify-content: center;
    width: 36px;
    padding-inline: 0;
  }

  .case-kicker {
    grid-column: 1 / 8;
  }

  .case-index {
    grid-column: 8 / -1;
  }

  .case-title,
  .case-pharaoh .case-title {
    font-size: clamp(74px, 17vw, 126px);
  }

  .case-lede {
    grid-column: 1 / 8;
  }

  .case-actions {
    grid-column: 8 / -1;
  }

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

  .case-visual {
    width: calc(100vw - 24px);
  }

  .visual-stage {
    min-height: 620px;
  }

  .menu-board {
    width: 58%;
  }

  .rust-panel {
    width: 42%;
  }

  .opti-window {
    width: 90%;
  }

  .story-section {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .story-copy {
    margin-top: 48px;
  }

  .system-list li {
    grid-template-columns: 90px minmax(170px, 0.55fr) minmax(0, 1fr);
    gap: 22px;
  }
}

@media (max-width: 640px) {
  :root {
    --shell: calc(100% - 32px);
  }

  .case-header {
    height: 70px;
    padding-inline: 16px;
  }

  .case-brand {
    gap: 0;
  }

  .case-brand > span:last-child {
    display: none;
  }

  .case-brand-mark {
    width: 36px;
    height: 36px;
  }

  .case-header-links {
    gap: 12px;
    font-size: 9px;
  }

  .case-header-links span {
    font-size: 12px;
  }

  .case-header-links a:nth-child(2) {
    width: 32px;
    justify-content: center;
    gap: 0;
    font-size: 0;
  }

  .case-hero {
    padding: 104px 0 34px;
  }

  .case-hero::before {
    top: 160px;
    right: -34vw;
    width: 92vw;
  }

  .case-kicker {
    grid-column: 1 / -1;
    font-size: 9px;
  }

  .case-index {
    margin-top: 26px;
    grid-column: 1 / -1;
    justify-self: start;
    font-size: 9px;
  }

  .case-title,
  .case-pharaoh .case-title {
    margin-top: 34px;
    font-size: clamp(62px, 20vw, 96px);
    line-height: 0.78;
  }

  .case-title span {
    display: block;
  }

  .case-lede {
    margin-top: 44px;
    grid-column: 1 / -1;
    font-size: 17px;
  }

  .case-actions {
    margin-top: 34px;
    grid-column: 1 / -1;
  }

  .case-button {
    min-height: 50px;
    padding-inline: 18px;
  }

  .case-meta {
    margin-top: 48px;
    grid-template-columns: 1fr 1fr;
    gap: 0 18px;
  }

  .case-meta > div {
    padding: 14px 0;
  }

  .case-meta dd {
    font-size: 11px;
  }

  .case-visual {
    width: calc(100vw - 16px);
    margin-top: 62px;
  }

  .visual-stage {
    min-height: 500px;
  }

  .visual-object {
    inset: 6%;
  }

  .visual-caption {
    padding-inline: 4px;
    font-size: 7px;
  }

  .pharaoh-stage::after {
    font-size: 66px;
  }

  .pharaoh-sun {
    width: 190px;
  }

  .pharaoh-ring {
    left: 66%;
    width: 390px;
  }

  .menu-board {
    top: 10%;
    left: 2%;
    width: 72%;
    min-height: 72%;
    padding: 24px;
  }

  .menu-board-title {
    margin: 34px 0 24px;
    font-size: 42px;
  }

  .menu-board-row {
    padding: 9px 0;
    font-size: 7px;
  }

  .menu-board-note {
    margin-top: 17px;
    font-size: 6px;
  }

  .food-orb {
    width: 58px;
    border-width: 8px;
  }

  .food-orb-two { width: 42px; }
  .food-orb-three { width: 34px; }
  .food-stamp { width: 78px; font-size: 7px; }

  .rust-stage::before {
    top: -8%;
    left: -24%;
    width: 70%;
  }

  .radar-disc {
    left: 52%;
    width: 410px;
  }

  .radar-core {
    width: 82px;
    font-size: 26px;
  }

  .rust-panel {
    width: 54%;
    padding: 18px;
  }

  .rust-panel small {
    margin-bottom: 16px;
    font-size: 7px;
  }

  .rust-panel strong {
    font-size: 18px;
  }

  .rust-panel span {
    margin-top: 14px;
    font-size: 7px;
  }

  .opti-stage::before {
    top: 5%;
    right: -10%;
    width: 280px;
  }

  .opti-window {
    top: 12%;
    left: 0;
    width: 98%;
    height: 72%;
    grid-template-columns: 52px 1fr;
    border-width: 7px;
    border-radius: 16px;
  }

  .opti-sidebar {
    padding: 13px 0;
    gap: 8px;
  }

  .opti-logo,
  .opti-user {
    width: 28px;
  }

  .opti-nav-dot {
    width: 22px;
    height: 22px;
  }

  .opti-dashboard {
    padding: 20px 16px;
  }

  .opti-topbar,
  .opti-score span,
  .opti-chart-label {
    font-size: 6px;
  }

  .opti-overview {
    min-height: 48%;
    margin-top: 18px;
    gap: 12px;
  }

  .opti-score strong {
    margin-top: 38px;
    font-size: 54px;
  }

  .opti-tools {
    margin-top: 18px;
  }

  .opti-tool {
    padding-inline: 8px;
  }

  .opti-tool span {
    font-size: 5px;
  }

  .opti-tool strong {
    margin-top: 7px;
    font-size: 9px;
  }

  .opti-float-label {
    font-size: 7px;
  }

  .story-section {
    padding: 92px 0;
    gap: 30px;
  }

  .story-content h2 {
    font-size: clamp(46px, 14.5vw, 68px);
  }

  .story-copy {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .story-copy p,
  .story-copy p:first-child {
    font-size: 16px;
  }

  .system-list {
    margin-top: 56px;
  }

  .system-list li {
    min-height: 0;
    padding: 32px 0;
    grid-template-columns: 64px 1fr;
    gap: 12px 18px;
  }

  .system-index {
    font-size: 44px;
  }

  .system-list h3 {
    font-size: 28px;
  }

  .system-list p {
    grid-column: 2;
    font-size: 15px;
  }

  .build-signal {
    min-height: 390px;
    margin-top: 56px;
  }

  .signal-node {
    width: 138px;
    font-size: 8px;
  }

  .signal-label {
    max-width: 130px;
    font-size: 28px;
  }

  .signal-label-one { top: 12%; left: 6%; }
  .signal-label-two { right: 6%; bottom: 12%; }

  .case-visit {
    padding: 76px 0;
    grid-template-columns: 1fr;
  }

  .case-visit .case-button {
    width: max-content;
  }

  .next-project strong {
    align-items: flex-start;
    flex-direction: column;
  }

  .case-footer {
    min-height: 110px;
    gap: 20px;
    font-size: 8px;
  }
}

@media (hover: none), (pointer: coarse) {
  .visual-object,
  .has-js .visual-object {
    transform: rotateX(2deg) rotateY(-2deg);
    opacity: 1;
  }

  .has-js .motion-zone.is-in-view .visual-object {
    animation: none;
  }
}

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

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

  .visual-object,
  .has-js .visual-object {
    transform: none;
    opacity: 1;
  }

  .signal-node {
    transform: rotate(-8deg);
    opacity: 1;
  }
}