/* ============================================================
   MERSIDUS — Agentic Operating Systems
   Ethereal Glass / OLED monochrome / editorial serif
   ============================================================ */

:root {
  --bg: #050505;
  --bg-deep: #030304;
  --ink: #edeae3;
  --ink-dim: rgba(237, 234, 227, 0.55);
  --ink-faint: rgba(237, 234, 227, 0.32);
  --hairline: rgba(237, 234, 227, 0.08);
  --hairline-strong: rgba(237, 234, 227, 0.16);
  --glow: #7d8fff;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Geist", -apple-system, sans-serif;
  --mono: "Geist Mono", monospace;
  --ease-lux: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { scroll-behavior: auto; }

html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

html, body { overflow-anchor: none; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

::selection { background: rgba(125, 143, 255, 0.25); color: #fff; }

a { color: inherit; text-decoration: none; }
a:focus { outline: none; }
a:focus-visible {
  outline: 1px solid rgba(237, 234, 227, 0.45);
  outline-offset: 5px;
  border-radius: 2px;
}

.page { overflow-x: clip; width: 100%; }

em { font-style: italic; }

/* ---------- Grain ---------- */
.grain {
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  z-index: 60;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  animation: grain-shift 0.9s steps(2) infinite;
}
@keyframes grain-shift {
  0% { transform: translate(0, 0); }
  50% { transform: translate(-1.5%, 1%); }
  100% { transform: translate(1%, -1.5%); }
}

/* ---------- Loader ---------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg-deep);
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
}
.loader__inner {
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0 4vw 4vh;
}
.loader__mark {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.5em;
  color: var(--ink-dim);
}
.loader__count {
  font-family: var(--serif);
  font-size: clamp(4rem, 12vw, 10rem);
  line-height: 0.9;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.loader__line {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 0%;
  background: var(--ink);
  opacity: 0.5;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 4vw;
  mix-blend-mode: difference;
  opacity: 0;
}
.nav__mark {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.4em;
  color: #fff;
}
.nav__mark sup { font-size: 7px; letter-spacing: 0; margin-left: 2px; }
.nav__links {
  display: flex;
  gap: 48px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.nav__links a {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.5s var(--ease-lux);
  position: relative;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: #fff;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.6s var(--ease-out-expo);
}
.nav__links a:hover { color: #fff; }
.nav__links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__cta {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  padding: 10px 22px;
  transition: border-color 0.5s var(--ease-lux), background 0.5s var(--ease-lux);
}
.nav__cta:hover { border-color: rgba(255, 255, 255, 0.7); }
.nav__cta-dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--glow);
  margin-left: 12px;
  box-shadow: 0 0 12px 2px rgba(125, 143, 255, 0.8);
}
.magnetic__inner {
  display: inline-flex;
  align-items: center;
  will-change: transform;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  height: 100vh;
  height: 100dvh;
  width: 100%;
  overflow: hidden;
  background:
    radial-gradient(120% 55% at 50% 78%, rgba(46, 58, 110, 0.5) 0%, rgba(10, 12, 24, 0.0) 60%),
    linear-gradient(to bottom, #030306 0%, #06070f 55%, #0a0d1c 100%);
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.hero__content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 2;
  pointer-events: none;
  padding: 0 4vw;
}
.hero__eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 3.5vh;
}
.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(4rem, 14.5vw, 15rem);
  line-height: 0.92;
  letter-spacing: 0.02em;
  color: var(--ink);
  width: 100%;
  white-space: nowrap;
}
.hero__title .ch {
  display: inline-block;
  will-change: transform, opacity;
}
.hero__sub {
  margin-top: 4vh;
  font-size: clamp(0.85rem, 1.1vw, 1.05rem);
  font-weight: 300;
  letter-spacing: 0.02em;
  line-height: 1.8;
  color: var(--ink-dim);
  max-width: 640px;
}
.hero__scroll {
  position: absolute;
  bottom: 4vh;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.hero__scroll-line {
  width: 1px;
  height: 44px;
  background: linear-gradient(to bottom, transparent, var(--ink-dim));
  animation: scroll-pulse 2.4s var(--ease-lux) infinite;
  transform-origin: top;
}
@keyframes scroll-pulse {
  0% { transform: scaleY(0); opacity: 0; }
  40% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1) translateY(10px); opacity: 0; }
}
.hero__scroll-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---------- Manifesto ---------- */
.manifesto {
  padding: 34vh 4vw;
  display: flex;
  justify-content: center;
  background: var(--bg);
}
.manifesto__text {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4.2vw, 3.6rem);
  line-height: 1.32;
  max-width: 1200px;
  text-align: center;
  color: var(--ink);
}
.manifesto__text .w {
  display: inline-block;
  opacity: 0.1;
  will-change: opacity;
}

/* ---------- Orbit ---------- */
:root { --core: #e6a558; }

.orbit {
  height: 100vh;
  padding: 9vh 4vw 4vh;
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  overflow: hidden;
}
.orbit__head { text-align: center; margin-bottom: 5vh; }
.orbit__kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 3vh;
}
.orbit__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.4rem, 4.6vw, 4.4rem);
  line-height: 1.02;
}
.orbit__title em { color: var(--ink-dim); }

/* WebGL unavailable: let the section grow with its static content
   instead of clipping it to a fixed viewport-height pin area. */
html.no-webgl .orbit { height: auto; padding-bottom: 10vh; overflow: visible; }

.orbit { position: relative; }
.orbit__head { position: relative; z-index: 3; }
.orbit__stage {
  position: absolute;
  inset: 0;
  z-index: 1;
}
#orbitCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.orbit__labels {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 2;
}
.olabel {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  pointer-events: none;
  font: inherit;
}
.olabel__inner {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-dim);
  white-space: nowrap;
  background: rgba(5, 5, 5, 0.72);
  padding: 5px 12px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  transition: border-color 0.45s var(--ease-lux), color 0.45s, box-shadow 0.45s;
  will-change: transform, opacity;
}
.olabel:hover .olabel__inner {
  border-color: rgba(237, 234, 227, 0.4);
  color: var(--ink);
  box-shadow: 0 0 24px rgba(237, 234, 227, 0.08);
}
.olabel--sys:hover .olabel__inner {
  border-color: rgba(125, 143, 255, 0.5);
  box-shadow: 0 0 24px rgba(125, 143, 255, 0.12);
}
.olabel__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink);
  flex: 0 0 auto;
}
.olabel--sys .olabel__dot { background: var(--glow); }
.olabel--core { pointer-events: auto; }
.olabel--core .olabel__inner {
  flex-direction: column;
  gap: 4px;
  background: none;
  border: 0;
  box-shadow: none;
  padding: 0;
}
.olabel--core .olabel__core-name {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.1rem, 1.8vw, 1.7rem);
  color: var(--core);
  letter-spacing: 0.02em;
  text-transform: none;
}
.olabel--core .olabel__core-sub {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.3em;
  color: rgba(230, 165, 88, 0.6);
}
.olabel--core:hover .olabel__core-name { text-shadow: 0 0 24px rgba(230, 165, 88, 0.5); }

.orbit__card {
  position: absolute;
  right: clamp(16px, 4vw, 64px);
  bottom: clamp(16px, 8vh, 80px);
  z-index: 4;
  width: min(380px, calc(100vw - 32px));
  padding: 28px 30px 30px;
  border: 1px solid var(--hairline-strong);
  border-radius: 1.4rem;
  background: rgba(8, 8, 10, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  opacity: 0;
}
.orbit__card[aria-hidden="true"] { pointer-events: none; visibility: hidden; }
.orbit__card[aria-hidden="false"] { visibility: visible; }
.orbit__card-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--hairline-strong);
  background: none;
  color: var(--ink-dim);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  transition: color 0.4s, border-color 0.4s, transform 0.4s var(--ease-out-expo);
}
.orbit__card-close:hover { color: var(--ink); border-color: rgba(237, 234, 227, 0.45); transform: rotate(90deg); }
.orbit__card-tag {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--core);
}
.orbit__card-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.8rem;
  line-height: 1.1;
  margin: 12px 0 12px;
}
.orbit__card-desc {
  color: var(--ink-dim);
  font-size: 0.92rem;
  line-height: 1.8;
}

.orbit__fallback {
  width: 100%;
  max-width: 1100px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
.orbit__fallback-item {
  background: var(--bg);
  padding: 4vh 2vw;
}
.orbit__fallback-item.is-system .orbit__fallback-name::before { background: var(--glow); box-shadow: 0 0 10px 2px rgba(125,143,255,0.5); }
.orbit__fallback-name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 1.15rem;
  margin-bottom: 1vh;
}
.orbit__fallback-name::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink);
  flex: 0 0 auto;
}
.orbit__fallback-desc {
  color: var(--ink-dim);
  font-size: 0.88rem;
  line-height: 1.75;
}

.orbit__hint {
  position: absolute;
  bottom: 4vh;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-faint);
  opacity: 0.8;
  pointer-events: none;
  white-space: nowrap;
}

/* ---------- Capabilities ---------- */
.caps {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 6vw;
  padding: 20vh 4vw 24vh;
  border-top: 1px solid var(--hairline);
}
.caps__sticky {
  position: sticky;
  top: 18vh;
}
.caps__kicker,
.process__kicker,
.cta__kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 3vh;
}
.caps__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3rem, 6vw, 6rem);
  line-height: 1;
  margin-bottom: 4vh;
}
.caps__note {
  color: var(--ink-dim);
  max-width: 340px;
  font-size: 0.95rem;
  line-height: 1.8;
}
.caps__list { display: flex; flex-direction: column; }
.cap {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 3vw;
  padding: 6vh 2vw;
  border-bottom: 1px solid var(--hairline);
  position: relative;
  transition: padding 0.7s var(--ease-lux);
  cursor: default;
}
.cap:first-child { border-top: 1px solid var(--hairline); }
.cap::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(125, 143, 255, 0.05), transparent 60%);
  opacity: 0;
  transition: opacity 0.7s var(--ease-lux);
  pointer-events: none;
}
.cap:hover::before { opacity: 1; }
.cap:hover { padding-left: 3.2vw; }
.cap__idx {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-faint);
  transition: color 0.5s var(--ease-lux);
}
.cap:hover .cap__idx { color: var(--glow); }
.cap__name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.7rem, 2.8vw, 2.7rem);
  line-height: 1.1;
  margin-bottom: 1.4vh;
}
.cap__desc {
  color: var(--ink-dim);
  font-size: 0.95rem;
  max-width: 480px;
  line-height: 1.8;
}
.cap__arrow {
  font-size: 1.3rem;
  color: var(--ink-faint);
  transform: translate(-8px, 8px);
  opacity: 0;
  transition: transform 0.6s var(--ease-out-expo), opacity 0.6s var(--ease-out-expo), color 0.4s;
}
.cap:hover .cap__arrow {
  transform: translate(0, 0);
  opacity: 1;
  color: var(--ink);
}

/* ---------- Case studies ---------- */
.cases {
  padding: 22vh 4vw 20vh;
  border-top: 1px solid var(--hairline);
}
.cases__kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 3vh;
}
.cases__head { max-width: 1400px; margin: 0 auto 12vh; }
.cases__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3rem, 6.5vw, 6.5rem);
  line-height: 1.02;
}
.cases__title em { color: var(--ink-dim); }
.cases__list { max-width: 1400px; margin: 0 auto; }
.case {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 4fr) minmax(0, 5fr);
  align-items: center;
  gap: 4vw;
  padding: 7vh 2vw;
  border-bottom: 1px solid var(--hairline);
  position: relative;
  transition: padding 0.7s var(--ease-lux);
}
.case:first-child { border-top: 1px solid var(--hairline); }
.case::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(125, 143, 255, 0.05), transparent 60%);
  opacity: 0;
  transition: opacity 0.7s var(--ease-lux);
  pointer-events: none;
}
.case:hover::before { opacity: 1; }
.case:hover { padding-left: 3.2vw; }
.case__meta { display: flex; flex-direction: column; gap: 1.2vh; }
.case__client {
  font-size: 1rem;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.case__field {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.case__stat {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3.4rem, 6.5vw, 6.5rem);
  line-height: 0.9;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.case__stat small {
  font-size: 0.38em;
  color: var(--ink-dim);
  margin-left: 0.15em;
  letter-spacing: 0.04em;
}
.case__desc {
  color: var(--ink-dim);
  font-size: 0.95rem;
  line-height: 1.85;
  max-width: 460px;
}

/* ---------- The System ---------- */
.system {
  padding: 24vh 4vw;
  border-top: 1px solid var(--hairline);
}
.system__kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 3vh;
}
.system__head { text-align: center; margin-bottom: 16vh; }
.system__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3rem, 6.5vw, 6.5rem);
  line-height: 1.02;
}
.system__title em { color: var(--ink-dim); }
.system__flow {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 11vh;
}
.system__spine {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom,
    transparent,
    rgba(125, 143, 255, 0.35) 12%,
    rgba(237, 234, 227, 0.18) 88%,
    transparent);
  transform-origin: top;
  transform: scaleY(0);
}
.snode {
  position: relative;
  display: flex;
  width: 50%;
}
.snode:nth-child(odd) {
  justify-content: flex-end;
  padding-right: 5vw;
  text-align: right;
}
.snode:nth-child(even) {
  align-self: flex-end;
  padding-left: 5vw;
}
.snode__dot {
  position: absolute;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--glow);
  box-shadow: 0 0 16px 3px rgba(125, 143, 255, 0.55);
}
.snode:nth-child(odd) .snode__dot { right: -3.5px; }
.snode:nth-child(even) .snode__dot { left: -3.5px; }
.snode__name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.7rem, 2.6vw, 2.5rem);
  line-height: 1.1;
  margin-bottom: 1.4vh;
}
.snode__desc {
  color: var(--ink-dim);
  font-size: 0.92rem;
  line-height: 1.8;
  max-width: 380px;
}
.snode:nth-child(odd) .snode__desc { margin-left: auto; }

/* ---------- Beliefs ---------- */
.beliefs {
  padding: 22vh 4vw 24vh;
  border-top: 1px solid var(--hairline);
}
.beliefs__kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--ink-faint);
  max-width: 1400px;
  margin: 0 auto 10vh;
}
.belief {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3.5vw;
  align-items: baseline;
  max-width: 1400px;
  margin: 0 auto;
  padding: 5.5vh 0;
  border-bottom: 1px solid var(--hairline);
}
.belief:nth-of-type(1) { border-top: 1px solid var(--hairline); }
.belief__idx {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-faint);
}
.belief__text {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 4.2vw, 4rem);
  line-height: 1.15;
  overflow: hidden;
}
.belief__line {
  display: inline-block;
  will-change: transform, opacity;
}

/* ---------- FAQ ---------- */
.faq {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 6vw;
  padding: 22vh 4vw;
  border-top: 1px solid var(--hairline);
}
.faq__sticky { position: sticky; top: 18vh; }
.faq__kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 3vh;
}
.faq__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 4.6vw, 4.6rem);
  line-height: 1.05;
  margin-bottom: 4vh;
}
.faq__title em { color: var(--ink-dim); }
.faq__note {
  color: var(--ink-dim);
  max-width: 340px;
  font-size: 0.95rem;
  line-height: 1.8;
}
.faq__list { display: flex; flex-direction: column; }
.qa { border-bottom: 1px solid var(--hairline); }
.qa:first-child { border-top: 1px solid var(--hairline); }
.qa__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4vw;
  padding: 4.2vh 0.5vw;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.3rem, 1.9vw, 1.8rem);
  line-height: 1.25;
  transition: padding 0.6s var(--ease-lux), color 0.4s;
}
.qa__q:hover { padding-left: 1.4vw; }
.qa__q:focus-visible {
  outline: 1px solid rgba(237, 234, 227, 0.45);
  outline-offset: 4px;
}
.qa__icon {
  position: relative;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border: 1px solid var(--hairline-strong);
  border-radius: 50%;
  transition: border-color 0.5s var(--ease-lux), background 0.5s var(--ease-lux);
}
.qa__icon::before,
.qa__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1px;
  background: var(--ink-dim);
  transform: translate(-50%, -50%);
  transition: transform 0.6s var(--ease-out-expo), background 0.4s;
}
.qa__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.qa__q[aria-expanded="true"] .qa__icon { border-color: rgba(125, 143, 255, 0.5); }
.qa__q[aria-expanded="true"] .qa__icon::after { transform: translate(-50%, -50%) rotate(0deg); }
.qa__q[aria-expanded="true"] .qa__icon::before,
.qa__q[aria-expanded="true"] .qa__icon::after { background: var(--glow); }
.qa__a {
  height: 0;
  overflow: hidden;
}
.qa__a p {
  padding: 0 0.5vw 4.5vh;
  color: var(--ink-dim);
  font-size: 0.98rem;
  line-height: 1.9;
  max-width: 560px;
}

/* ---------- Process ---------- */
.process {
  padding: 22vh 4vw 10vh;
  border-top: 1px solid var(--hairline);
}
.process__head {
  max-width: 1200px;
  margin: 0 auto 14vh;
  text-align: center;
}
.process__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3rem, 7vw, 7rem);
  line-height: 1.02;
}
.process__title em { color: var(--ink-dim); }
.pstack {
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8vh;
}
.pcard {
  position: sticky;
  top: 16vh;
  will-change: transform;
}
.pcard__inner {
  background: rgba(237, 234, 227, 0.02);
  border: 1px solid var(--hairline);
  border-radius: 2rem;
  padding: 2rem;
  backdrop-filter: none;
  position: relative;
  overflow: hidden;
  box-shadow: 0 -30px 80px -40px rgba(0, 0, 0, 0.9);
}
.pcard__inner::before {
  content: "";
  position: absolute;
  inset: 0.5rem;
  border-radius: calc(2rem - 0.5rem);
  border: 1px solid var(--hairline);
  background:
    radial-gradient(90% 120% at 15% 0%, rgba(125, 143, 255, 0.06), transparent 55%),
    #08080a;
  z-index: 0;
}
.pcard__inner > * { position: relative; z-index: 1; }
.pcard__inner {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 4vw;
  row-gap: 2vh;
  padding: clamp(2rem, 5vw, 4.5rem);
  min-height: 46vh;
  align-content: center;
}
.pcard__idx {
  grid-row: 1 / 3;
  font-family: var(--serif);
  font-size: clamp(3.4rem, 7vw, 6.5rem);
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1px rgba(237, 234, 227, 0.25);
}
.pcard__name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 3.6vw, 3.4rem);
  line-height: 1;
}
.pcard__desc {
  color: var(--ink-dim);
  max-width: 560px;
  font-size: 1rem;
  line-height: 1.85;
}

/* ---------- Stats ---------- */
.stats {
  padding: 24vh 4vw;
  border-top: 1px solid var(--hairline);
}
.stats__grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4vw;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 2vh;
  padding-left: 2vw;
  border-left: 1px solid var(--hairline-strong);
}
.stat__num {
  font-family: var(--serif);
  font-size: clamp(3.4rem, 7vw, 7rem);
  line-height: 0.9;
  font-variant-numeric: tabular-nums;
}
.stat__label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  max-width: 240px;
  line-height: 1.9;
}

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: 5vh 0;
}
.marquee__track {
  display: flex;
  align-items: center;
  gap: 5vw;
  width: max-content;
  animation: marquee 34s linear infinite;
}
.marquee__track span {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5vw, 5rem);
  line-height: 1;
  color: var(--ink-faint);
  white-space: nowrap;
}
.marquee__track i {
  font-style: normal;
  font-size: 1rem;
  color: var(--glow);
  opacity: 0.6;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- CTA ---------- */
.cta {
  padding: 30vh 4vw;
  text-align: center;
  position: relative;
  background:
    radial-gradient(60% 50% at 50% 110%, rgba(46, 58, 110, 0.35) 0%, transparent 70%),
    var(--bg);
}
.cta__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3.2rem, 8.5vw, 9rem);
  line-height: 1.02;
  margin-bottom: 8vh;
}
.cta__title em { color: var(--ink-dim); }
.cta__form {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 5vh;
  text-align: left;
}
.cta__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4vw;
}
.cta__field { position: relative; }
.cta__field input {
  width: 100%;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--hairline-strong);
  padding: 14px 0 12px;
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  transition: border-color 0.6s var(--ease-lux);
  border-radius: 0;
}
.cta__field input:focus {
  outline: none;
  border-bottom-color: rgba(237, 234, 227, 0.55);
}
.cta__field label {
  position: absolute;
  left: 0;
  top: 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-faint);
  pointer-events: none;
  transition: transform 0.5s var(--ease-lux), color 0.5s, font-size 0.5s;
  transform-origin: left top;
}
.cta__field input:focus + label,
.cta__field input:not(:placeholder-shown) + label {
  transform: translateY(-22px) scale(0.85);
  color: var(--ink-dim);
}
.cta__form .cta__btn { align-self: center; margin-top: 2vh; }
.cta__scarcity {
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-faint);
  transition: color 0.4s ease;
}
.cta__form button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: default;
}
.cta__hp {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.cta__btn {
  display: inline-flex;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  padding: 6px;
  transition: border-color 0.6s var(--ease-lux);
}
.cta__btn:hover { border-color: rgba(237, 234, 227, 0.4); }
.cta__btn .magnetic__inner {
  background: var(--ink);
  color: #0a0a0c;
  border-radius: 999px;
  padding: 20px 14px 20px 38px;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 22px;
  transition: transform 0.6s var(--ease-out-expo);
}
.cta__btn:active .magnetic__inner { transform: scale(0.98); }
.cta__btn-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(5, 5, 5, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: transform 0.6s var(--ease-out-expo);
}
.cta__btn:hover .cta__btn-icon { transform: translate(2px, -2px) scale(1.05); }

/* ---------- Footer ---------- */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6vh 4vw;
  border-top: 1px solid var(--hairline);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.footer__mark { color: var(--ink-dim); letter-spacing: 0.4em; }
.footer__mark sup { font-size: 7px; letter-spacing: 0; }

/* ---------- Reveal base ---------- */
[data-reveal] { will-change: transform, opacity; }

/* ---------- Mobile ---------- */
@media (max-width: 900px) {
  .nav { padding: 20px 5vw; }
  .nav__links { display: none; }
  .nav__cta { padding: 8px 16px; font-size: 11px; }

  .hero__title { font-size: clamp(3rem, 15vw, 6rem); }
  .hero__sub br { display: none; }

  .manifesto { padding: 22vh 7vw; }

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

  .caps {
    grid-template-columns: 1fr;
    gap: 8vh;
    padding: 14vh 5vw 16vh;
  }
  .caps__sticky { position: static; }
  .cap { grid-template-columns: auto 1fr; gap: 5vw; padding: 4.5vh 0; }
  .cap:hover { padding-left: 0; }
  .cap__arrow { display: none; }

  .process { padding: 14vh 5vw 8vh; }
  .pcard { top: 12vh; }
  .pcard__inner {
    grid-template-columns: 1fr;
    min-height: 52vh;
    row-gap: 3vh;
  }
  .pcard__idx { grid-row: auto; }

  .stats { padding: 16vh 5vw; }
  .stats__grid { grid-template-columns: 1fr; gap: 7vh; }

  .cta { padding: 22vh 5vw; }

  .footer { flex-direction: column; gap: 12px; text-align: center; }

  .orbit { padding: 10vh 5vw 4vh; }
  .orbit__head { margin-bottom: 4vh; }
  .olabel__inner { font-size: 8px; padding: 4px 9px; letter-spacing: 0.18em; }
  .orbit__card { right: 16px; left: 16px; bottom: 12vh; width: auto; }
  .orbit__hint { bottom: 5vh; font-size: 8px; }

  .cases { padding: 14vh 5vw; }
  .cases__head { margin-bottom: 8vh; }
  .case {
    grid-template-columns: 1fr;
    gap: 2.5vh;
    padding: 6vh 0;
  }
  .case:hover { padding-left: 0; }
  .case__desc { max-width: 100%; }

  .system { padding: 16vh 5vw; }
  .system__head { margin-bottom: 10vh; }
  .system__flow { gap: 8vh; }
  .system__spine { left: 3px; }
  .snode,
  .snode:nth-child(odd),
  .snode:nth-child(even) {
    width: 100%;
    align-self: auto;
    justify-content: flex-start;
    text-align: left;
    padding: 0 0 0 32px;
  }
  .snode:nth-child(odd) .snode__dot,
  .snode:nth-child(even) .snode__dot { left: 0; right: auto; }
  .snode:nth-child(odd) .snode__desc { margin-left: 0; }

  .beliefs { padding: 14vh 5vw 16vh; }
  .belief { gap: 6vw; padding: 4.5vh 0; }

  .faq {
    grid-template-columns: 1fr;
    gap: 7vh;
    padding: 14vh 5vw;
  }
  .faq__sticky { position: static; }
  .qa__q:hover { padding-left: 0; }

  .cta__grid { grid-template-columns: 1fr; gap: 5vh; }
  .cta__form { gap: 5vh; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .grain, .hero__scroll-line, .marquee__track { animation: none !important; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}