:root {
  --ink: #f4f0e8;
  --muted: #969aa3;
  --faint: #555b67;
  --line: rgba(244, 240, 232, 0.12);
  --dark: #07090d;
  --panel: #10141d;
  --gold: #e8b84b;
  --teal: #72d6c9;
  --violet: #9b7ff0;
  --mx: 68%;
  --my: 42%;
  --sans: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

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

html {
  background: var(--dark);
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at var(--mx) var(--my), rgba(232, 184, 75, 0.045), transparent 25rem),
    var(--dark);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  content: "";
  opacity: 0.032;
  background-image:
    repeating-linear-gradient(0deg, transparent 0, rgba(255,255,255,.4) 1px, transparent 2px, transparent 4px),
    repeating-linear-gradient(90deg, transparent 0, rgba(255,255,255,.25) 1px, transparent 2px, transparent 7px);
  mix-blend-mode: soft-light;
}

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

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  padding: .7rem 1rem;
  transform: translateY(-160%);
  background: var(--ink);
  color: var(--dark);
  font: 500 .75rem var(--mono);
}

.skip-link:focus { transform: translateY(0); }

.site-shell {
  position: relative;
  isolation: isolate;
}

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 2rem clamp(1.25rem, 4vw, 4.5rem);
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: .6rem;
  letter-spacing: -.04em;
  font-size: 1.06rem;
  font-weight: 600;
}

.wordmark small {
  color: var(--gold);
  font: 400 .55rem var(--mono);
  letter-spacing: .24em;
}

.header-contact {
  display: flex;
  align-items: center;
  gap: .85rem;
  color: #b8bbc2;
  text-transform: uppercase;
  font: 400 .63rem var(--mono);
  letter-spacing: .2em;
  transition: color .25s ease;
}

.header-contact i {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-style: normal;
  transition: border-color .25s ease, transform .25s ease;
}

.header-contact:hover,
.header-contact:focus-visible { color: var(--ink); }
.header-contact:hover i,
.header-contact:focus-visible i { border-color: var(--gold); transform: rotate(45deg); }

.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  align-items: center;
  overflow: hidden;
  padding: 8.5rem clamp(1.25rem, 8vw, 9rem) 6rem;
  border-bottom: 1px solid var(--line);
}

.hero::after {
  position: absolute;
  inset: 0;
  z-index: -3;
  content: "";
  background:
    linear-gradient(90deg, rgba(7,9,13,.96) 0%, rgba(7,9,13,.74) 46%, rgba(7,9,13,.15) 78%),
    radial-gradient(circle at 75% 48%, rgba(16,20,29,.7), transparent 35%);
}

.field {
  position: absolute;
  top: 50%;
  right: -6vw;
  z-index: -2;
  width: min(64vw, 62rem);
  aspect-ratio: 1;
  transform: translateY(-50%);
}

.orbit {
  position: absolute;
  top: 50%;
  left: 56%;
  border: 1px solid rgba(232, 184, 75, .12);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(-18deg);
}

.orbit::after {
  position: absolute;
  top: 50%;
  left: -2px;
  width: 4px;
  height: 4px;
  content: "";
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 12px var(--gold);
}

.orbit-one { width: 72%; height: 25%; animation: orbitBreath 8s ease-in-out infinite; }
.orbit-two { width: 58%; height: 58%; border-color: rgba(114, 214, 201, .1); animation: orbitBreath 11s ease-in-out -3s infinite reverse; }
.orbit-three { width: 38%; height: 82%; border-color: rgba(155, 127, 240, .08); animation: orbitBreath 13s ease-in-out -6s infinite; }

.apex {
  position: absolute;
  top: 50%;
  left: 56%;
  width: .55rem;
  height: .55rem;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: #fff8dc;
  box-shadow:
    0 0 8px #fff8dc,
    0 0 24px var(--gold),
    0 0 70px rgba(232, 184, 75, .65),
    0 0 160px rgba(232, 184, 75, .22);
}

.apex::before,
.apex::after {
  position: absolute;
  top: 50%;
  left: 50%;
  content: "";
  border: 1px solid rgba(232, 184, 75, .28);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: pulse 5s ease-out infinite;
}

.apex::after { animation-delay: 2.5s; }

.beam {
  position: absolute;
  top: 50%;
  left: 56%;
  width: 55%;
  height: 1px;
  transform-origin: left center;
  opacity: .32;
}

.beam-one { transform: rotate(-7deg); background: linear-gradient(90deg, var(--gold), transparent 82%); }
.beam-two { transform: rotate(0deg); background: linear-gradient(90deg, var(--teal), transparent 82%); }
.beam-three { transform: rotate(8deg); background: linear-gradient(90deg, var(--violet), transparent 82%); }

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(100%, 68rem);
}

.eyebrow,
.index {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-bottom: clamp(2rem, 5vh, 4.75rem);
  color: #898e99;
  text-transform: uppercase;
  font: 400 .62rem var(--mono);
  letter-spacing: .24em;
}

.eyebrow span {
  width: .38rem;
  height: .38rem;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 12px rgba(232,184,75,.8);
}

h1 {
  max-width: 15ch;
  font-size: clamp(3.2rem, 7.2vw, 7.6rem);
  font-weight: 300;
  letter-spacing: -.065em;
  line-height: .92;
}

h1 em,
.section-intro h2 em {
  display: inline-block;
  color: var(--gold);
  font-style: normal;
  font-weight: 400;
}

h1 em { margin-top: .28em; }

.headline-line { display: block; }
.not-mobile { display: none; }

.engine-line {
  margin-top: clamp(2.4rem, 5vh, 4.2rem);
  color: #797e89;
  text-transform: uppercase;
  font: 300 clamp(.56rem, .75vw, .7rem) var(--mono);
  letter-spacing: .2em;
}

.engine-line b { margin: 0 .8rem; color: var(--gold); font-weight: 400; }

.enter {
  position: absolute;
  bottom: 2.25rem;
  left: clamp(1.25rem, 8vw, 9rem);
  display: flex;
  align-items: center;
  gap: 1rem;
  color: #717680;
  text-transform: uppercase;
  font: 400 .58rem var(--mono);
  letter-spacing: .2em;
}

.enter-line {
  position: relative;
  display: block;
  width: 3.25rem;
  height: 1px;
  overflow: hidden;
  background: #323640;
}

.enter-line::after {
  position: absolute;
  inset: 0;
  content: "";
  background: var(--gold);
  transform: translateX(-100%);
  animation: scan 3s ease-in-out infinite;
}

.coordinates {
  position: absolute;
  right: clamp(1.25rem, 4vw, 4.5rem);
  bottom: 2.25rem;
  display: flex;
  gap: 1.2rem;
  color: #474c56;
  font: 300 .55rem var(--mono);
  letter-spacing: .12em;
}

.discipline {
  position: relative;
  overflow: hidden;
  padding: clamp(7rem, 11vw, 11rem) clamp(1.25rem, 7vw, 8rem);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 82% 24%, rgba(232,184,75,.055), transparent 28rem),
    linear-gradient(180deg, #080a0f, #0a0d13);
}

.discipline::before {
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 6rem;
  content: "";
  background: linear-gradient(var(--line), transparent);
}

.discipline-field {
  position: absolute;
  top: 8%;
  right: -12rem;
  width: 38rem;
  aspect-ratio: 1;
  border: 1px solid rgba(232,184,75,.06);
  border-radius: 50%;
  transform: rotate(-12deg);
}

.discipline-field::before,
.discipline-field::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(114,214,201,.045);
  border-radius: 50%;
}

.discipline-field::before { inset: 17%; }
.discipline-field::after { inset: 36%; border-color: rgba(155,127,240,.06); }
.discipline-field span { position: absolute; top: 50%; left: 50%; width: .35rem; height: .35rem; border-radius: 50%; background: var(--gold); box-shadow: 0 0 28px var(--gold); }

.discipline-inner {
  position: relative;
  z-index: 2;
  max-width: 92rem;
  margin: 0 auto;
}

.discipline-head {
  display: grid;
  grid-template-columns: 1fr 2.2fr;
  gap: clamp(2rem, 6vw, 7rem);
  align-items: start;
  padding-bottom: clamp(4rem, 7vw, 7rem);
  border-bottom: 1px solid var(--line);
}

.discipline-head .index { margin: .6rem 0 0; }

.discipline-thesis h2 {
  max-width: 15ch;
  font-size: clamp(2.6rem, 5vw, 5.5rem);
  font-weight: 300;
  letter-spacing: -.06em;
  line-height: .98;
}

.discipline-thesis h2 em {
  color: #8d929d;
  font-style: normal;
}

.discipline-thesis > p {
  max-width: 48rem;
  margin-top: clamp(2rem, 3.5vw, 3.5rem);
  color: #a3a7b0;
  font-size: clamp(1rem, 1.45vw, 1.32rem);
  font-weight: 300;
  line-height: 1.7;
}

.discipline-principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.discipline-principle {
  position: relative;
  min-height: 23rem;
  padding: clamp(2.5rem, 4vw, 4rem) clamp(1.5rem, 3vw, 3rem) 1rem;
}

.discipline-principle + .discipline-principle { border-left: 1px solid var(--line); }
.discipline-principle:nth-child(2) { transition-delay: .1s; }
.discipline-principle:nth-child(3) { transition-delay: .2s; }

.discipline-principle > span {
  display: block;
  margin-bottom: clamp(3rem, 6vw, 6rem);
  color: #555b67;
  font: 400 .54rem var(--mono);
  letter-spacing: .18em;
}

.discipline-principle h3 {
  margin-bottom: 1.4rem;
  color: var(--gold);
  font: 400 clamp(.62rem, .85vw, .76rem) var(--mono);
  letter-spacing: .18em;
}

.discipline-principle p {
  max-width: 33rem;
  color: #858a95;
  font-size: clamp(.92rem, 1.2vw, 1.08rem);
  font-weight: 300;
  line-height: 1.75;
}

.instrument {
  position: relative;
  min-height: 120vh;
  overflow: hidden;
  padding: clamp(6rem, 13vw, 12rem) clamp(1.25rem, 7vw, 8rem);
  background:
    radial-gradient(ellipse at 50% 64%, rgba(114,214,201,.06), transparent 36rem),
    linear-gradient(180deg, #080a0f, #0a0d13 68%, #07090d);
}

.instrument::before {
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 7rem;
  content: "";
  background: linear-gradient(var(--line), transparent);
}

.section-intro {
  display: grid;
  max-width: 92rem;
  margin: 0 auto clamp(3.5rem, 8vw, 8rem);
  grid-template-columns: 1fr 2.2fr;
  align-items: end;
}

.section-intro .index { margin: 0 0 .8rem; }

.section-intro h2 {
  max-width: 12ch;
  justify-self: end;
  font-size: clamp(2.8rem, 6vw, 6.8rem);
  font-weight: 300;
  letter-spacing: -.065em;
  line-height: .94;
}

.engine-preview {
  --rx: 0deg;
  --ry: 0deg;
  position: relative;
  width: min(100%, 92rem);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(232, 184, 75, .28);
  border-radius: .8rem;
  background: #0b0e14;
  box-shadow:
    0 4rem 10rem rgba(0,0,0,.55),
    0 0 0 1px rgba(255,255,255,.025) inset,
    0 0 7rem rgba(232,184,75,.07);
  transform: perspective(1400px) rotateX(var(--rx)) rotateY(var(--ry));
  transform-style: preserve-3d;
  transition: transform .4s cubic-bezier(.2,.8,.2,1), border-color .3s ease;
}

.engine-preview:hover { border-color: rgba(232,184,75,.5); }

.preview-chrome {
  display: flex;
  height: 2.8rem;
  align-items: center;
  gap: .38rem;
  padding: 0 1rem;
  border-bottom: 1px solid #2a3247;
  background: #11151f;
}

.preview-chrome > span {
  width: .42rem;
  height: .42rem;
  border-radius: 50%;
  background: #394052;
}

.preview-chrome > span:first-child { background: rgba(232,184,75,.7); }
.preview-chrome p {
  margin-left: .7rem;
  color: #687084;
  font: 400 .52rem var(--mono);
  letter-spacing: .16em;
}
.preview-chrome small {
  margin-left: auto;
  color: rgba(114,214,201,.68);
  font: 400 .5rem var(--mono);
  letter-spacing: .16em;
}

.carousel-viewport {
  position: relative;
  overflow: hidden;
  touch-action: pan-y;
  background: #0b0e14;
}

.carousel-track {
  display: flex;
  will-change: transform;
  transition: transform .8s cubic-bezier(.22,.72,.18,1);
}

.carousel-slide {
  position: relative;
  flex: 0 0 100%;
  aspect-ratio: 1422 / 800;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 74% 44%, rgba(232,184,75,.075), transparent 24rem),
    linear-gradient(135deg, #090c12, #0d111a 58%, #080a0f);
}

.carousel-slide::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  content: "";
  opacity: .18;
  background-image:
    linear-gradient(rgba(244,240,232,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244,240,232,.025) 1px, transparent 1px);
  background-size: 4.5rem 4.5rem;
  -webkit-mask-image: radial-gradient(circle at 72% 50%, black, transparent 72%);
  mask-image: radial-gradient(circle at 72% 50%, black, transparent 72%);
}

.carousel-slide::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background: linear-gradient(90deg, rgba(7,9,13,.25), transparent 48%, rgba(7,9,13,.12));
}

.experience-scene {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.experience-copy {
  position: absolute;
  bottom: clamp(2.4rem, 5vw, 5rem);
  left: clamp(2rem, 6vw, 6.5rem);
  z-index: 4;
  width: min(56%, 43rem);
}

.experience-copy > p,
.experience-copy > span {
  color: #747b88;
  text-transform: uppercase;
  font: 300 clamp(.48rem, .65vw, .6rem)/1.5 var(--mono);
  letter-spacing: .18em;
}

.experience-copy > p {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin-bottom: clamp(1.2rem, 2vw, 2rem);
}

.experience-copy > p::before {
  width: 1.8rem;
  height: 1px;
  content: "";
  background: var(--gold);
}

.experience-copy h3 {
  max-width: 12ch;
  margin-bottom: clamp(1.2rem, 2.3vw, 2rem);
  color: var(--ink);
  font-size: clamp(2.65rem, 5.25vw, 6rem);
  font-weight: 300;
  letter-spacing: -.065em;
  line-height: .96;
}

.experience-cta {
  display: inline-flex;
  align-items: center;
  gap: .85rem;
  padding-bottom: .45rem;
  border-bottom: 1px solid rgba(232,184,75,.72);
  color: var(--gold);
  font-size: clamp(.82rem, 1.2vw, 1rem);
  letter-spacing: -.01em;
  transition: color .25s ease, border-color .25s ease;
}

.experience-cta:hover,
.experience-cta:focus-visible { color: var(--ink); border-color: var(--ink); }

/* Question — an answer held just out of reach */
.question-scene { left: 42%; }
.question-ring,
.question-core,
.question-satellite,
.question-ray { position: absolute; }
.question-ring {
  top: 50%;
  left: 62%;
  border: 1px solid rgba(232,184,75,.16);
  border-radius: 50%;
  transform: translate(-50%,-50%) rotate(-13deg);
  animation: privateOrbit 12s ease-in-out infinite;
}
.ring-a { width: 48%; height: 48%; }
.ring-b { width: 72%; height: 26%; border-color: rgba(114,214,201,.13); animation-delay: -4s; }
.ring-c { width: 34%; height: 78%; border-color: rgba(155,127,240,.12); animation-delay: -8s; }
.question-core {
  top: 50%; left: 62%; width: .7rem; height: .7rem; transform: translate(-50%,-50%); border-radius: 50%; background: #fff5d3;
  box-shadow: 0 0 10px #fff5d3, 0 0 38px var(--gold), 0 0 120px rgba(232,184,75,.45);
}
.question-ray { top: 50%; left: 62%; width: 56%; height: 1px; transform-origin: left; opacity: .42; }
.ray-a { transform: rotate(-9deg); background: linear-gradient(90deg,var(--gold),transparent); }
.ray-b { transform: rotate(0); background: linear-gradient(90deg,var(--teal),transparent); }
.ray-c { transform: rotate(9deg); background: linear-gradient(90deg,var(--violet),transparent); }
.question-satellite { width: .35rem; height: .35rem; border-radius: 50%; background: var(--gold); box-shadow: 0 0 14px currentColor; }
.satellite-a { top: 27%; left: 44%; color: var(--gold); }
.satellite-b { top: 70%; left: 77%; color: var(--violet); background: var(--violet); }

/* Change — a path without disclosing the method */
.change-scene { left: 44%; }
.change-thread { position: absolute; top: 12%; bottom: 12%; left: 56%; width: 1px; background: linear-gradient(transparent,var(--teal) 18%,var(--gold) 76%,transparent); opacity: .52; }
.change-node { position: absolute; left: 56%; width: .6rem; height: .6rem; transform: translate(-50%,-50%); border: 1px solid var(--gold); border-radius: 50%; background: #111720; box-shadow: 0 0 22px rgba(232,184,75,.3); }
.node-a { top: 18%; }.node-b { top: 34%; }.node-c { top: 50%; width: .9rem; height: .9rem; background: var(--gold); }.node-d { top: 67%; }.node-e { top: 83%; }
.change-card { position: absolute; left: 60%; height: 10%; border: 1px solid rgba(244,240,232,.08); border-radius: .55rem; background: linear-gradient(90deg,rgba(244,240,232,.06),transparent); }
.change-card::before,.change-card::after { position: absolute; left: 1rem; height: 1px; content: ""; background: rgba(244,240,232,.15); }
.change-card::before { top: 38%; width: 46%; }.change-card::after { top: 62%; width: 65%; }
.card-a { top: 13%; width: 29%; }.card-b { top: 37%; width: 37%; }.card-c { top: 58%; width: 32%; }.card-d { top: 76%; width: 40%; }

/* Relation — an incomplete constellation */
.relation-scene { left: 40%; }
.relation-node { position: absolute; width: .72rem; height: .72rem; border: 1px solid rgba(244,240,232,.45); border-radius: 50%; background: #121722; box-shadow: 0 0 24px rgba(114,214,201,.18); }
.relation-a { top: 25%; left: 39%; }.relation-b { top: 39%; left: 66%; background: var(--gold); }.relation-c { top: 68%; left: 54%; background: var(--violet); }.relation-d { top: 54%; left: 81%; }.relation-e { top: 74%; left: 78%; background: var(--teal); }.relation-f { top: 19%; left: 83%; }
.relation-link { position: absolute; height: 1px; transform-origin: left; background: linear-gradient(90deg,rgba(232,184,75,.5),rgba(114,214,201,.12)); }
.link-a { top: 26%; left: 39%; width: 29%; transform: rotate(27deg); }.link-b { top: 40%; left: 66%; width: 28%; transform: rotate(-31deg); }.link-c { top: 68%; left: 54%; width: 29%; transform: rotate(13deg); }.link-d { top: 55%; left: 81%; width: 20%; transform: rotate(84deg); }.link-e { top: 26%; left: 39%; width: 49%; transform: rotate(67deg); opacity: .42; }
.relation-halo { position: absolute; top: 52%; left: 66%; width: 44%; aspect-ratio: 1; transform: translate(-50%,-50%); border: 1px solid rgba(155,127,240,.09); border-radius: 50%; box-shadow: 0 0 100px rgba(155,127,240,.08) inset; animation: haloPulse 6s ease-in-out infinite; }

/* Time — a horizon with one unresolved point */
.time-scene { left: 38%; }
.time-axis { position: absolute; top: 56%; right: 7%; left: 17%; height: 1px; background: linear-gradient(90deg,transparent,rgba(244,240,232,.26),transparent); }
.time-axis::after { position:absolute; inset:-2.6rem 0; content:""; opacity:.3; background: repeating-linear-gradient(90deg,transparent 0,transparent 5.8%,rgba(244,240,232,.18) 6%,transparent 6.2%); }
.time-pulse { position: absolute; top: 56%; left: 64%; width: .72rem; height: .72rem; transform: translate(-50%,-50%); border-radius: 50%; background: #fff3cb; box-shadow: 0 0 12px #fff3cb,0 0 50px var(--gold); animation: timeDrift 7s ease-in-out infinite; }
.time-horizon { position: absolute; top: 56%; left: 64%; aspect-ratio:1; transform:translate(-50%,-50%); border:1px solid rgba(232,184,75,.13); border-radius:50%; }
.horizon-a { width: 28%; }.horizon-b { width: 48%; border-color: rgba(114,214,201,.08); }
.time-marker { position:absolute; top:56%; width:.32rem; height:.32rem; transform:translate(-50%,-50%); border-radius:50%; background:#5e6675; }
.marker-a { left:31%; }.marker-b { left:47%; background:var(--teal); }.marker-c { left:83%; background:var(--violet); }

/* Access — the only revealed action */
.access-scene { left: 39%; }
.access-ring { position:absolute; top:50%; left:66%; aspect-ratio:1; transform:translate(-50%,-50%); border:1px solid rgba(232,184,75,.12); border-radius:50%; }
.access-a { width:56%; animation: accessTurn 22s linear infinite; border-style:dashed; }.access-b { width:38%; border-color:rgba(114,214,201,.12); }.access-c { width:22%; border-color:rgba(155,127,240,.14); }
.access-door { position:absolute; top:50%; left:66%; width:13%; height:34%; transform:translate(-50%,-50%); border:1px solid rgba(244,240,232,.2); border-radius:7rem 7rem .8rem .8rem; background:linear-gradient(180deg,rgba(244,240,232,.04),rgba(232,184,75,.08)); box-shadow:0 0 90px rgba(232,184,75,.1); }
.access-point { position:absolute; top:55%; left:68%; width:.4rem; height:.4rem; border-radius:50%; background:var(--gold); box-shadow:0 0 18px var(--gold); }

.carousel-arrow {
  position: absolute;
  top: 50%;
  z-index: 3;
  display: grid;
  width: 2.7rem;
  height: 2.7rem;
  place-items: center;
  transform: translateY(-50%);
  border: 1px solid rgba(244,240,232,.18);
  border-radius: 50%;
  background: rgba(7,9,13,.72);
  color: #d4d0c8;
  cursor: pointer;
  font: 300 1rem var(--sans);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color .25s ease, color .25s ease, background .25s ease, transform .25s ease;
}

.carousel-arrow:hover,
.carousel-arrow:focus-visible {
  border-color: rgba(232,184,75,.7);
  background: rgba(7,9,13,.92);
  color: var(--gold);
}

.carousel-arrow:active { transform: translateY(-50%) scale(.94); }
.carousel-arrow-prev { left: 1rem; }
.carousel-arrow-next { right: 1rem; }

.carousel-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: .9rem 1rem;
  border-top: 1px solid #2a3247;
  background: #11151f;
}

.carousel-tabs {
  display: flex;
  min-width: 0;
  gap: .25rem;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.carousel-tabs button,
.carousel-pause {
  flex: 0 0 auto;
  padding: .45rem .65rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #6f7687;
  cursor: pointer;
  text-transform: uppercase;
  font: 400 .48rem var(--mono);
  letter-spacing: .13em;
  transition: color .25s ease, background .25s ease;
}

.carousel-tabs button:hover,
.carousel-tabs button:focus-visible,
.carousel-tabs button[aria-selected="true"] {
  background: rgba(232,184,75,.09);
  color: var(--gold);
}

.carousel-actions {
  display: flex;
  align-items: center;
  gap: .65rem;
}

.carousel-count {
  color: #747b8b;
  white-space: nowrap;
  font: 400 .5rem var(--mono);
  letter-spacing: .12em;
}

.carousel-count span { color: var(--gold); }
.carousel-pause { border: 1px solid rgba(244,240,232,.1); }
.carousel-pause:hover,
.carousel-pause:focus-visible { color: var(--ink); background: rgba(244,240,232,.06); }

.contact {
  position: relative;
  display: grid;
  min-height: 82svh;
  place-items: center;
  overflow: hidden;
  padding: 7rem 1.25rem;
  border-top: 1px solid var(--line);
  text-align: center;
}

.contact-copy { position: relative; z-index: 2; }
.contact .index { justify-content: center; margin-bottom: 2.2rem; }
.contact h2 {
  font-size: clamp(3rem, 7vw, 7rem);
  font-weight: 300;
  letter-spacing: -.065em;
  line-height: 1;
}

.email {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-top: 2.2rem;
  padding-bottom: .5rem;
  color: var(--gold);
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 400;
  letter-spacing: -.02em;
}

.email::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: "";
  background: var(--gold);
  transform-origin: right;
  transition: transform .3s ease;
}
.email:hover::after,
.email:focus-visible::after { transform: scaleX(.15); }
.email span { font-size: .85em; }

.contact-note {
  margin-top: 1.25rem;
  color: #686d77;
  text-transform: uppercase;
  font: 300 .58rem var(--mono);
  letter-spacing: .18em;
}

.contact-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(65vw, 48rem);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(232,184,75,.08);
  border-radius: 50%;
}
.contact-orbit::before,
.contact-orbit::after {
  position: absolute;
  inset: 14%;
  content: "";
  border: 1px solid rgba(114,214,201,.06);
  border-radius: 50%;
}
.contact-orbit::after { inset: 31%; border-color: rgba(155,127,240,.08); }
.contact-orbit span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: .35rem;
  height: .35rem;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 35px rgba(232,184,75,.8);
}

footer {
  display: grid;
  gap: .65rem;
  padding: 2rem clamp(1.25rem, 4vw, 4.5rem) 2.5rem;
  border-top: 1px solid var(--line);
  color: #555a64;
  text-transform: uppercase;
  font: 300 clamp(.48rem, .72vw, .6rem)/1.7 var(--mono);
  letter-spacing: .1em;
}

footer p:last-child { color: #797e88; }

.reveal {
  opacity: 0;
  transform: translateY(2.25rem);
  transition: opacity 1s ease, transform 1s cubic-bezier(.2,.8,.2,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@keyframes pulse {
  0% { width: .5rem; height: .5rem; opacity: .8; }
  78%, 100% { width: 18rem; height: 18rem; opacity: 0; }
}

@keyframes orbitBreath {
  0%, 100% { opacity: .5; transform: translate(-50%,-50%) rotate(-18deg) scale(.98); }
  50% { opacity: 1; transform: translate(-50%,-50%) rotate(-14deg) scale(1.02); }
}

@keyframes scan {
  0% { transform: translateX(-100%); }
  45%, 100% { transform: translateX(100%); }
}

@keyframes privateOrbit { 0%,100%{opacity:.55;transform:translate(-50%,-50%) rotate(-13deg) scale(.98)}50%{opacity:1;transform:translate(-50%,-50%) rotate(-8deg) scale(1.02)} }
@keyframes haloPulse { 0%,100%{opacity:.42;transform:translate(-50%,-50%) scale(.94)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.04)} }
@keyframes timeDrift { 0%,100%{left:58%}50%{left:70%} }
@keyframes accessTurn { to{transform:translate(-50%,-50%) rotate(360deg)} }

@media (max-width: 820px) {
  .hero { padding-top: 8rem; }
  .field { right: -45vw; width: 115vw; opacity: .75; }
  .hero::after { background: linear-gradient(90deg, rgba(7,9,13,.92), rgba(7,9,13,.4)); }
  h1 { font-size: clamp(3.05rem, 13.5vw, 5.5rem); }
  .coordinates { display: none; }
  .discipline-head { display: block; }
  .discipline-head .index { margin-bottom: 2.25rem; }
  .discipline-principles { grid-template-columns: 1fr; }
  .discipline-principle { min-height: auto; padding: 3rem 0; border-top: 1px solid var(--line); }
  .discipline-principle + .discipline-principle { border-left: 0; }
  .discipline-principle > span { margin-bottom: 2.5rem; }
  .section-intro { display: block; }
  .section-intro .index { margin-bottom: 2rem; }
  .section-intro h2 { justify-self: auto; }
  .instrument { min-height: auto; padding-top: 7rem; padding-bottom: 7rem; }
  .preview-chrome p { display: none; }
  .contact-orbit { width: 120vw; }
}

@media (max-width: 520px) {
  .site-header {
    padding: calc(env(safe-area-inset-top) + 1.15rem) 1.25rem 0;
  }

  .wordmark { gap: .5rem; font-size: 1.05rem; }
  .wordmark small { font-size: .5rem; }

  .header-contact {
    gap: .5rem;
    padding: .58rem .65rem .58rem .85rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(7, 9, 13, .48);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    letter-spacing: .14em;
  }

  .header-contact > span { display: inline; }
  .header-contact i { width: auto; height: auto; border: 0; }

  .hero {
    min-height: max(42rem, 100svh);
    align-items: center;
    padding: calc(env(safe-area-inset-top) + 6.5rem) 1.25rem calc(env(safe-area-inset-bottom) + 6.25rem);
  }

  .hero::after {
    background:
      linear-gradient(180deg, rgba(7,9,13,.82) 0%, rgba(7,9,13,.42) 47%, rgba(7,9,13,.94) 100%),
      linear-gradient(90deg, rgba(7,9,13,.92) 0%, rgba(7,9,13,.52) 72%, rgba(7,9,13,.22) 100%);
  }

  .field {
    top: 51%;
    right: -54vw;
    width: 112vw;
    opacity: .5;
  }

  .hero-copy { width: 100%; }

  .eyebrow {
    gap: .65rem;
    margin-bottom: clamp(2rem, 6svh, 3.25rem);
    font-size: clamp(.5rem, 2.35vw, .58rem);
    letter-spacing: .13em;
    white-space: nowrap;
  }

  .eyebrow span { width: .32rem; height: .32rem; flex: 0 0 auto; }

  h1 {
    max-width: none;
    font-size: clamp(2.75rem, 11.7vw, 3.45rem);
    letter-spacing: -.072em;
    line-height: .93;
  }

  h1 em { display: block; margin-top: .34em; }
  .not-desktop { display: none; }
  .not-mobile { display: inline; }

  .engine-line {
    display: grid;
    gap: .28rem;
    max-width: none;
    margin-top: clamp(2rem, 5svh, 3rem);
    font-size: clamp(.49rem, 2.2vw, .56rem);
    line-height: 1.5;
    letter-spacing: .13em;
  }

  .engine-line b { display: none; }

  .enter {
    right: 1.25rem;
    bottom: calc(env(safe-area-inset-bottom) + 1.25rem);
    left: 1.25rem;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
    font-size: .54rem;
  }

  .enter-line { width: 2.8rem; }
  .enter > span:last-child { margin-left: auto; }

  .instrument { padding: 5.5rem 1rem 5.75rem; }
  .instrument::before { height: 4rem; }
  .section-intro { margin-bottom: 2.5rem; }
  .section-intro .index { margin-bottom: 1.35rem; }
  .section-intro h2 { max-width: 10ch; font-size: clamp(2.65rem, 13vw, 3.4rem); }

  .discipline { padding: 5.75rem 1.25rem; }
  .discipline::before { height: 4rem; }
  .discipline-field { top: 12%; right: -19rem; opacity: .7; }
  .discipline-head { padding-bottom: 3.25rem; }
  .discipline-thesis h2 { max-width: 12ch; font-size: clamp(2.65rem, 12vw, 3.45rem); }
  .discipline-thesis > p { margin-top: 2rem; font-size: .98rem; line-height: 1.7; }
  .discipline-principle h3 { font-size: .6rem; }
  .discipline-principle p { font-size: .95rem; }

  .engine-preview {
    border-radius: .65rem;
    box-shadow: 0 2rem 6rem rgba(0,0,0,.52), 0 0 4rem rgba(232,184,75,.055);
  }

  .preview-chrome { height: 2.35rem; padding: 0 .8rem; }
  .preview-chrome > span { width: .36rem; height: .36rem; }
  .preview-chrome small { font-size: .42rem; letter-spacing: .12em; }

  .carousel-slide { height: clamp(28rem, 120vw, 34rem); aspect-ratio: auto; }
  .carousel-slide::before { background-size: 3.2rem 3.2rem; }
  .experience-copy { right: 1.1rem; bottom: 4.75rem; left: 1.1rem; width: auto; }
  .experience-copy h3 { max-width: 11ch; margin-bottom: 1.1rem; font-size: clamp(2.65rem, 12.2vw, 3.4rem); }
  .experience-copy > p { margin-bottom: 1rem; }
  .experience-copy > span { max-width: 28ch; display:block; line-height:1.7; }
  .experience-cta { max-width: 18rem; font-size: .9rem; }
  .question-scene,.change-scene,.relation-scene,.time-scene,.access-scene { top: -17%; right: -42%; bottom: 28%; left: 28%; opacity: .78; }
  .change-card { left: 58%; }
  .relation-halo { width: 60%; }
  .access-door { width: 20%; height: 42%; }
  .carousel-arrow { top: auto; bottom: .8rem; width: 2.35rem; height: 2.35rem; transform: none; }
  .carousel-arrow:active { transform: scale(.94); }
  .carousel-arrow-prev { right: 3.95rem; left: auto; }
  .carousel-arrow-next { right: .9rem; }
  .carousel-footer { gap: .5rem; padding: .7rem .7rem; }
  .carousel-tabs { gap: .12rem; }
  .carousel-tabs button { padding: .42rem .55rem; font-size: .44rem; }
  .carousel-actions { gap: .35rem; }
  .carousel-count { display: none; }
  .carousel-pause { padding: .42rem .58rem; font-size: .44rem; }

  .contact { min-height: 66svh; padding: 6rem 1.25rem; }
  .contact .index { margin-bottom: 1.6rem; }
  .contact h2 { font-size: clamp(2.8rem, 13vw, 3.6rem); }
  .email { margin-top: 1.8rem; font-size: clamp(1rem, 4.8vw, 1.25rem); }
  .contact-note { max-width: 28ch; margin-right: auto; margin-left: auto; line-height: 1.7; }

  footer {
    gap: .9rem;
    padding: 1.75rem 1.25rem calc(env(safe-area-inset-bottom) + 2rem);
    font-size: .48rem;
    line-height: 1.65;
  }
}

@media (max-width: 360px) {
  h1 { font-size: 2.62rem; }
  .eyebrow { font-size: .47rem; letter-spacing: .1em; }
  .carousel-slide { height: 26rem; }
  .experience-copy h3 { font-size: 2.55rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}