:root {
  --ink: #11120f;
  --paper: #f2f0e9;
  --paper-deep: #e5e1d6;
  --acid: #27dff2;
  --orange: #a33cff;
  --muted: #a5a69d;
  --line: rgba(17, 18, 15, 0.18);
  --display: "Archivo Black", Impact, sans-serif;
  --body: "DM Sans", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
}
a { color: inherit; }
button, input { font: inherit; }
.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: 1rem;
  left: 1rem;
  padding: .75rem 1rem;
  background: var(--acid);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  z-index: 20;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  padding: 0 clamp(1.25rem, 4vw, 4rem);
  color: var(--paper);
  border-bottom: 1px solid rgba(255,255,255,.14);
  transition: background .25s ease, min-height .25s ease;
}
.site-header.is-scrolled {
  min-height: 64px;
  background: rgba(17,18,15,.94);
  backdrop-filter: blur(12px);
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  color: inherit;
  font-family: var(--display);
  font-size: .95rem;
  letter-spacing: -.02em;
  text-decoration: none;
  text-transform: uppercase;
}
.brand-logo { display: block; width: clamp(160px, 15vw, 210px); height: auto; }
.site-header nav { display: flex; align-items: center; gap: 2.25rem; }
.site-header nav a {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-decoration: none;
  text-transform: uppercase;
}
.site-header nav a:not(.nav-cta):hover { color: var(--acid); }
.nav-cta { padding: .75rem 1rem; border: 1px solid rgba(255,255,255,.55); }
.nav-cta:hover { color: var(--ink); background: var(--acid); border-color: var(--acid); }
.nav-toggle { display: none; padding: .5rem; color: inherit; background: none; border: 0; }
.nav-toggle > span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px; background: currentColor; }

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
  align-items: center;
  gap: 2rem;
  padding: 9rem clamp(1.25rem, 6vw, 6.75rem) 5rem;
  color: var(--paper);
  background:
    radial-gradient(circle at 72% 48%, rgba(39,223,242,.09), transparent 25%),
    linear-gradient(135deg, #151611 0%, #0c0d0b 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -8% 0;
  opacity: .16;
  background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: linear-gradient(to right, black, transparent 85%);
  transform: translate3d(0, var(--grid-shift, 0px), 0);
  will-change: transform;
}
.hero-copy { position: relative; z-index: 2; min-width: 0; max-width: 800px; }
.status {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin: 0 0 1.75rem;
  font-size: .73rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.status span { width: 8px; height: 8px; background: var(--acid); border-radius: 50%; box-shadow: 0 0 0 5px rgba(39,223,242,.12); }
h1, h2, h3, p { margin-top: 0; }
h1, h2 {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: -.065em;
  line-height: .9;
  text-transform: uppercase;
}
h1 { max-width: 870px; margin-bottom: 2rem; font-size: clamp(4rem, 8vw, 8.7rem); }
h1 em, h2 em { color: var(--acid); font-style: normal; -webkit-text-stroke: 1px var(--acid); }
.hero-tagline { display: flex; align-items: center; gap: .7rem; margin: -0.65rem 0 1.35rem; color: var(--paper); font-size: clamp(.8rem, 1vw, .95rem); font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.hero-tagline span { display: grid; place-items: center; width: 26px; height: 26px; flex: 0 0 auto; color: var(--ink); background: var(--orange); border-radius: 50%; font-size: .8rem; }
.hero-lede { max-width: 600px; color: #c4c5bd; font-size: clamp(1.05rem, 1.6vw, 1.3rem); }
.hero-actions { display: flex; align-items: center; gap: 2rem; margin-top: 2.5rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  min-height: 52px;
  padding: .85rem 1.35rem;
  border: 1px solid transparent;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--acid); }
.button-primary:hover { background: #79eef8; }
.text-link { font-size: .82rem; font-weight: 600; letter-spacing: .06em; text-decoration: none; text-transform: uppercase; }
.text-link span { margin-left: .4rem; color: var(--acid); }

.wall-stage {
  --wall-shift: 0px;
  --orbit-shift: 0px;
  --readout-shift: 0px;
  --overhang-angle: 8deg;
  --belt-duration: 14s;
  --roller-duration: 1.55s;
  --belt-play-state: running;
  position: relative;
  min-height: 610px;
  display: grid;
  place-items: center;
  perspective: 900px;
}
.climbing-wall {
  position: relative;
  z-index: 2;
  width: min(370px, 72%);
  aspect-ratio: .68;
  padding: 20px 17px;
  border: 10px solid #30332d;
  border-radius: 5px;
  background: linear-gradient(90deg, #11130f, #34372f 8%, #20231e 92%, #0a0b09);
  box-shadow: 30px 35px 0 #080907, 0 50px 80px rgba(0,0,0,.6), inset 0 0 0 2px rgba(255,255,255,.07);
  transform: translate3d(0, var(--wall-shift), 0) rotateY(-13deg) rotateX(calc(3deg - var(--overhang-angle))) rotateZ(3deg);
  transform-origin: 50% 88%;
  transition: transform .16s ease-out;
  will-change: transform;
}
.wall-track { position: absolute; z-index: 5; top: -10px; bottom: -10px; width: 10px; background: #0a0b09; box-shadow: inset 2px 0 rgba(255,255,255,.06); }
.track-left { left: 7px; } .track-right { right: 7px; }
.wall-window { position: relative; width: 100%; height: 100%; overflow: hidden; border: 2px solid #080906; background: #1d201b; box-shadow: inset 0 0 22px rgba(0,0,0,.9); }
.wall-belt {
  position: absolute;
  inset: 0;
  height: 200%;
  animation: belt-roll var(--belt-duration) linear infinite;
  animation-play-state: var(--belt-play-state);
  will-change: transform;
}
.slat-set { height: 50%; display: grid; grid-template-rows: repeat(9, 1fr); }
.wall-slat {
  position: relative;
  min-height: 0;
  border-top: 1px solid rgba(255,255,255,.095);
  border-bottom: 3px solid #0d0f0c;
  background:
    linear-gradient(90deg, rgba(255,255,255,.035), transparent 18%, rgba(255,255,255,.025) 70%, transparent),
    linear-gradient(#30332c, #252821 62%, #1a1c18);
  box-shadow: inset 0 -4px 7px rgba(0,0,0,.35);
}
.wall-slat::before, .wall-slat::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 5px;
  height: 5px;
  background: #777b70;
  border: 2px solid #10120f;
  border-radius: 50%;
  transform: translateY(-50%);
}
.wall-slat::before { left: 8px; }
.wall-slat::after { right: 8px; }
.cartoon-hold {
  --hold-color: var(--orange);
  position: absolute;
  z-index: 2;
  top: 50%;
  display: block;
  background:
    radial-gradient(circle at 34% 25%, rgba(255,255,255,.58) 0 7%, transparent 8%),
    linear-gradient(145deg, color-mix(in srgb, var(--hold-color) 82%, white), var(--hold-color) 58%, color-mix(in srgb, var(--hold-color) 58%, #090b18));
  border: 2px solid rgba(8,9,18,.82);
  box-shadow: 4px 5px 0 rgba(0,0,0,.55), inset -3px -4px 5px rgba(0,0,0,.24), inset 2px 2px 3px rgba(255,255,255,.25);
}
.cartoon-hold::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 5px;
  height: 5px;
  background: #353837;
  border: 1px solid rgba(255,255,255,.45);
  border-radius: 50%;
  box-shadow: inset 1px 1px 1px rgba(0,0,0,.8);
  transform: translate(-50%, -50%);
}
.slat-a .cartoon-hold { left: 23%; }
.slat-b .cartoon-hold { left: 66%; }
.slat-c .cartoon-hold { left: 42%; }
.slat-d .cartoon-hold { left: 14%; }
.slat-e .cartoon-hold { left: 70%; }
.slat-f .cartoon-hold { left: 34%; }
.slat-g .cartoon-hold { left: 57%; }
.slat-h .cartoon-hold { left: 19%; }
.slat-i .cartoon-hold { left: 73%; }
.hold-blob { width: 52px; height: 32px; border-radius: 58% 40% 64% 35%; transform: translate(-50%, -50%) rotate(-12deg); }
.hold-jug { --hold-color: var(--acid); width: 35px; height: 51px; border-radius: 55% 45% 44% 60%; transform: translate(-50%, -50%) rotate(24deg); }
.hold-pebble { --hold-color: #7d70ff; width: 30px; height: 29px; border-radius: 52% 42% 58% 48%; transform: translate(-50%, -50%) rotate(8deg); }
.hold-rail { width: 66px; height: 25px; border-radius: 42% 58% 34% 66%; transform: translate(-50%, -50%) rotate(-8deg); }
.hold-scoop { --hold-color: var(--acid); width: 42px; height: 36px; border-radius: 63% 40% 55% 37%; clip-path: polygon(0 16%, 100% 0, 88% 80%, 55% 100%, 15% 76%); transform: translate(-50%, -50%) rotate(15deg); }
.hold-dot { --hold-color: #7d70ff; width: 25px; height: 25px; border-radius: 50%; transform: translate(-50%, -50%); }
.hold-banana { width: 58px; height: 30px; border-radius: 70% 30% 65% 35%; transform: translate(-50%, -50%) rotate(21deg); }
.hold-pinch { --hold-color: var(--acid); width: 27px; height: 47px; border-radius: 42% 58% 45% 55%; transform: translate(-50%, -50%) rotate(-15deg); }
.hold-mini { --hold-color: #7d70ff; width: 28px; height: 22px; border-radius: 60% 35% 55% 44%; transform: translate(-50%, -50%) rotate(10deg); }
.wall-roller { position: absolute; z-index: 6; left: 11px; right: 11px; height: 22px; overflow: hidden; border: 2px solid #080906; border-radius: 50%; background: linear-gradient(#151714, #5a5f53 42%, #22251f 58%, #0a0b09); box-shadow: 0 4px 9px rgba(0,0,0,.8); }
.roller-top { top: 5px; }
.roller-bottom { bottom: 5px; }
.wall-roller span { position: absolute; inset: 4px 12px; border-radius: 50%; background: repeating-linear-gradient(90deg, #777c6d 0 10px, #252820 10px 18px); animation: roller-spin var(--roller-duration) linear infinite; animation-play-state: var(--belt-play-state); }
.wall-sheen { position: absolute; z-index: 4; inset: 0; pointer-events: none; background: linear-gradient(108deg, transparent 15%, rgba(255,255,255,.07) 42%, transparent 58%); }
.direction-line { position: absolute; right: -42px; top: 42%; display: grid; place-items: center; width: 76px; height: 76px; color: var(--ink); background: var(--acid); border-radius: 50%; font-size: .62rem; font-weight: 700; letter-spacing: .1em; }
.direction-line::before, .direction-line::after { content: ""; position: absolute; left: 50%; width: 1px; height: 74px; background: var(--acid); }
.direction-line::before { bottom: 100%; } .direction-line::after { top: 100%; }
.orbit { position: absolute; border: 1px solid rgba(39,223,242,.24); border-radius: 50%; transform: translate3d(0, var(--orbit-shift), 0); will-change: transform; }
.orbit-one { width: 540px; height: 540px; animation: orbit 18s linear infinite; }
.orbit-two { width: 430px; height: 430px; border-style: dashed; animation: orbit 24s linear infinite reverse; }
.stage-readout { position: absolute; z-index: 8; right: 0; bottom: 12%; display: grid; min-width: 132px; padding: 1rem; border: 1px solid rgba(255,255,255,.2); background: rgba(17,18,15,.84); transform: translate3d(0, var(--readout-shift), 0); will-change: transform; }
.stage-readout span, .stage-readout small { color: var(--muted); font-size: .55rem; letter-spacing: .14em; }
.stage-readout strong { color: var(--acid); font-family: var(--display); font-size: 3rem; line-height: 1; }
.wall-controls {
  position: absolute;
  z-index: 9;
  left: -1rem;
  bottom: 2%;
  width: min(255px, 44%);
  padding: 1rem 1.1rem 1.15rem;
  color: var(--paper);
  border: 1px solid rgba(255,255,255,.2);
  border-top: 3px solid var(--acid);
  background: rgba(10,11,9,.92);
  box-shadow: 12px 14px 0 rgba(0,0,0,.4), 0 18px 50px rgba(0,0,0,.35);
  backdrop-filter: blur(12px);
}
.control-heading { display: flex; align-items: end; justify-content: space-between; gap: .75rem; margin-bottom: .9rem; }
.control-heading span { color: var(--acid); font-size: .54rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.control-heading strong { font-family: var(--display); font-size: .77rem; font-weight: 400; letter-spacing: -.02em; text-transform: uppercase; }
.control-group + .control-group { margin-top: .8rem; }
.control-group label { display: flex; justify-content: space-between; margin-bottom: .18rem; font-size: .62rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.control-group output { color: var(--acid); font-variant-numeric: tabular-nums; }
.control-lever {
  width: 100%;
  height: 22px;
  margin: 0;
  appearance: none;
  background: transparent;
  cursor: grab;
}
.control-lever:active { cursor: grabbing; }
.control-lever:focus-visible { outline: 2px solid var(--acid); outline-offset: 3px; }
.control-lever::-webkit-slider-runnable-track { height: 6px; border: 1px solid #62665c; border-radius: 0; background: linear-gradient(90deg, #242720, #51564b); box-shadow: inset 0 2px 2px rgba(0,0,0,.65); }
.control-lever::-moz-range-track { height: 6px; border: 1px solid #62665c; border-radius: 0; background: linear-gradient(90deg, #242720, #51564b); box-shadow: inset 0 2px 2px rgba(0,0,0,.65); }
.control-lever::-webkit-slider-thumb { width: 15px; height: 25px; margin-top: -10px; appearance: none; border: 2px solid #070806; border-radius: 3px 3px 7px 7px; background: linear-gradient(90deg, #108c9a, var(--acid) 48%, #0b7783); box-shadow: 3px 3px 0 rgba(0,0,0,.5); }
.control-lever::-moz-range-thumb { width: 15px; height: 25px; border: 2px solid #070806; border-radius: 3px 3px 7px 7px; background: linear-gradient(90deg, #108c9a, var(--acid) 48%, #0b7783); box-shadow: 3px 3px 0 rgba(0,0,0,.5); }
.overhang-lever::-webkit-slider-thumb { background: linear-gradient(90deg, #6920b0, var(--orange) 48%, #571590); }
.overhang-lever::-moz-range-thumb { background: linear-gradient(90deg, #6920b0, var(--orange) 48%, #571590); }
.control-scale { display: flex; justify-content: space-between; margin-top: -.08rem; color: #777a71; font-size: .48rem; letter-spacing: .08em; text-transform: uppercase; }
.motion-note { margin: .7rem 0 0; color: #aeb0a8; font-size: .58rem; line-height: 1.35; }
.wall-controls.is-motion-reduced .speed-lever { opacity: .45; cursor: not-allowed; }
.hero-foot { position: absolute; inset: auto clamp(1.25rem, 4vw, 4rem) 1.7rem; display: flex; justify-content: space-between; color: #777970; font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; }
@keyframes belt-roll { from { transform: translate3d(0, -50%, 0); } to { transform: translate3d(0, 0, 0); } }
@keyframes roller-spin { to { transform: translateX(18px); } }
@keyframes orbit { to { rotate: 360deg; } }

.section-label { display: flex; align-items: center; gap: .75rem; font-size: .68rem; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; }
.section-label span { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid currentColor; border-radius: 50%; }
.tension { padding: clamp(5rem, 10vw, 10rem) clamp(1.25rem, 6vw, 6.75rem); }
.tension-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 7vw; align-items: end; margin-top: 5rem; }
.tension h2, .principles h2, .research h2, .updates h2 { margin: 0; font-size: clamp(3.5rem, 7.5vw, 8rem); }
.tension h2 em { color: transparent; -webkit-text-stroke: 2px var(--ink); }
.tension-copy { max-width: 600px; padding-bottom: .5rem; color: #45463f; font-size: clamp(1.05rem, 1.4vw, 1.25rem); }
.tension-copy p + p { margin-top: 1.5rem; }

.principles { padding: clamp(5rem, 8vw, 8rem) clamp(1.25rem, 6vw, 6.75rem); background: var(--paper-deep); }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 3rem; margin-bottom: 5rem; }
.section-heading .section-label { align-self: flex-start; }
.principles h2 { text-align: right; }
.principles h2 em { color: var(--orange); -webkit-text-stroke-color: var(--orange); }
.principle-list { border-top: 1px solid var(--line); }
.principle { display: grid; grid-template-columns: 60px 120px minmax(0, 1fr) auto; gap: 2rem; align-items: center; min-height: 180px; border-bottom: 1px solid var(--line); }
.principle-number { align-self: start; padding-top: 2.2rem; color: #77786f; font-size: .7rem; }
.principle h3 { margin: 0 0 .45rem; font-family: var(--display); font-size: clamp(1.35rem, 2.3vw, 2.2rem); font-weight: 400; letter-spacing: -.04em; text-transform: uppercase; }
.principle p { max-width: 570px; margin-bottom: 0; color: #595a53; }
.principle-icon { width: 88px; height: 88px; display: grid; place-items: center; color: var(--ink); border: 1px solid var(--ink); border-radius: 50%; font-family: var(--display); font-size: 2.5rem; }
.icon-pace i { width: 45px; height: 45px; border: 2px solid; border-radius: 50%; position: relative; }
.icon-pace i::after { content: ""; position: absolute; left: 50%; bottom: 50%; width: 2px; height: 18px; background: currentColor; transform: rotate(38deg); transform-origin: bottom; }
.icon-footprint i { width: 42px; height: 56px; border: 2px solid; transform: skewY(-12deg); }
.concept-tag { padding: .55rem .7rem; border: 1px solid var(--line); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; }

.specs {
  position: relative;
  padding: clamp(5rem, 9vw, 9rem) clamp(1.25rem, 6vw, 6.75rem);
  color: var(--paper);
  background:
    radial-gradient(circle at 82% 12%, rgba(163,60,255,.18), transparent 27%),
    linear-gradient(135deg, #121410, #090a08);
  overflow: hidden;
}
.specs::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .13;
  background-image: linear-gradient(rgba(39,223,242,.35) 1px, transparent 1px), linear-gradient(90deg, rgba(39,223,242,.35) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(135deg, transparent 5%, black 55%, transparent 100%);
}
.specs-top, .spec-grid, .specs-disclaimer { position: relative; z-index: 1; }
.specs-top { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(340px, .8fr); gap: clamp(3rem, 8vw, 8rem); align-items: end; }
.specs h2 { margin: 3.5rem 0 2rem; font-size: clamp(3.8rem, 7.5vw, 8rem); }
.specs h2 em { color: var(--acid); -webkit-text-stroke-color: var(--acid); }
.specs-intro > p { max-width: 660px; margin-bottom: 0; color: #b6b8b0; font-size: clamp(1rem, 1.4vw, 1.2rem); }
.price-card { padding: clamp(2rem, 4vw, 3.25rem); color: var(--ink); background: var(--acid); box-shadow: 18px 18px 0 var(--orange); }
.price-label { margin-bottom: 1.2rem; font-size: .67rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.price { display: flex; align-items: flex-start; margin: 0; font-family: var(--display); font-size: clamp(4.4rem, 7vw, 7.5rem); letter-spacing: -.08em; line-height: .82; }
.price span { padding-top: .22em; margin-right: .1em; font-family: var(--body); font-size: .3em; font-weight: 700; letter-spacing: 0; }
.price-extras { margin: 1.2rem 0 1.8rem; font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.price-card .button { margin-top: 0; }
.price-card small { display: block; margin-top: 1.25rem; color: #174e55; font-size: .65rem; line-height: 1.5; }
.spec-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: clamp(4rem, 7vw, 7rem); border-top: 1px solid rgba(255,255,255,.2); border-left: 1px solid rgba(255,255,255,.2); }
.spec-card { min-height: 250px; padding: clamp(1.5rem, 3vw, 2.5rem); border-right: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.025); }
.spec-card:hover { background: rgba(39,223,242,.06); }
.spec-value { margin-bottom: 2.5rem; color: var(--acid); font-family: var(--display); font-size: clamp(2.7rem, 4vw, 4.5rem); letter-spacing: -.06em; line-height: .9; text-transform: uppercase; }
.spec-value span { color: var(--paper); font-family: var(--body); font-size: .25em; font-weight: 700; letter-spacing: .05em; }
.spec-value.spec-word { padding-top: .4rem; font-size: clamp(1.65rem, 2.5vw, 2.7rem); letter-spacing: -.04em; }
.spec-card h3 { margin-bottom: .65rem; font-family: var(--display); font-size: clamp(1rem, 1.5vw, 1.35rem); font-weight: 400; letter-spacing: -.03em; text-transform: uppercase; }
.spec-card > p:last-child { margin-bottom: 0; color: #aeb0a8; font-size: .92rem; }
.specs-disclaimer { max-width: 850px; margin: 1.5rem 0 0; color: #777a71; font-size: .65rem; letter-spacing: .04em; }

.research { display: grid; grid-template-columns: 1fr 1fr; min-height: 760px; color: var(--paper); background: linear-gradient(135deg, #7224df 0%, var(--orange) 100%); }
.research-copy, .research-questions { padding: clamp(4rem, 8vw, 8rem) clamp(1.25rem, 6vw, 6.75rem); }
.research-copy { display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid rgba(255,255,255,.28); }
.research h2 { margin: 4rem 0; font-size: clamp(3.8rem, 6.8vw, 7.5rem); }
.research h2 em { color: var(--acid); -webkit-text-stroke-color: var(--acid); }
.research-copy > p { max-width: 580px; margin-bottom: 0; color: #eee5f9; font-size: 1.1rem; }
.research-questions { display: flex; flex-direction: column; justify-content: center; color: var(--paper); }
.question-intro { margin-bottom: 2.25rem; font-size: .72rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.research-questions ul { margin: 0; padding: 0; border-top: 1px solid rgba(255,255,255,.3); }
.research-questions li { display: grid; grid-template-columns: 42px 1fr; gap: 1.25rem; padding: 1.7rem 0; border-bottom: 1px solid rgba(255,255,255,.3); font-family: var(--display); font-size: clamp(1.05rem, 1.6vw, 1.45rem); letter-spacing: -.025em; line-height: 1.25; text-transform: uppercase; }
.research-questions li span { padding-top: .18rem; font-family: var(--body); font-size: .62rem; }
.updates { display: grid; grid-template-columns: 1fr 1fr; gap: 7vw; padding: clamp(5rem, 10vw, 10rem) clamp(1.25rem, 6vw, 6.75rem); background: var(--paper); }
.updates-copy > p { max-width: 570px; margin-top: 2.25rem; color: #55564f; font-size: 1.08rem; }
.updates h2 { margin-top: 4rem; }
.updates h2 em { color: transparent; -webkit-text-stroke: 2px var(--ink); }
.signup-panel { align-self: center; padding: clamp(2rem, 4vw, 4rem); background: var(--acid); box-shadow: 18px 18px 0 var(--ink); }
.signup-kicker { margin-bottom: 1.2rem; font-size: .65rem; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; }
.signup-panel h3 { margin-bottom: 3rem; font-family: var(--display); font-size: clamp(2.3rem, 4vw, 4.5rem); font-weight: 400; letter-spacing: -.05em; line-height: .95; text-transform: uppercase; }
.field-row { display: grid; grid-template-columns: 1fr 1.35fr; gap: 1.25rem; }
.field label { display: block; margin-bottom: .45rem; font-size: .7rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.field label span { color: #175a63; font-weight: 400; text-transform: none; }
.field input { width: 100%; min-height: 52px; padding: .8rem 0; color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid var(--ink); border-radius: 0; outline: 0; }
.field input:focus { border-bottom-width: 3px; }
.field input::placeholder { color: #25646b; }
.button-dark { width: 100%; margin-top: 2rem; color: var(--paper); background: var(--ink); }
.button-dark:hover { background: #292b25; }
.form-note, .setup-note { margin: 1rem 0 0; color: #164e55; font-size: .68rem; }
.setup-note { padding: .65rem; color: var(--ink); border: 1px solid rgba(17,18,15,.25); }
.signup-status { margin: 1rem 0 0; padding: .75rem; color: var(--ink); background: rgba(255,255,255,.45); border-left: 3px solid var(--orange); font-size: .75rem; }
.signup-form button:disabled { cursor: wait; opacity: .65; }
.mailchimp-honeypot { position: absolute; left: -5000px; }

footer { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 3rem; padding: 2.5rem clamp(1.25rem, 4vw, 4rem); color: var(--paper); background: var(--ink); }
footer p { margin: 0; color: #8f9188; font-size: .68rem; letter-spacing: .05em; text-transform: uppercase; }
.footer-wordmark { color: var(--paper); }
.brand-logo-footer { width: min(260px, 100%); }

.message-page { min-height: 100svh; display: grid; place-items: center; padding: 1.5rem; color: var(--paper); background: var(--ink); }
.message-card { width: min(680px, 100%); padding: clamp(2rem, 6vw, 5rem); border: 1px solid rgba(255,255,255,.18); }
.message-logo { display: block; width: min(360px, 100%); height: auto; margin-bottom: 2.5rem; }
.message-card h1 { font-size: clamp(3rem, 7vw, 6rem); }
.message-card > p:not(.status) { max-width: 520px; margin-bottom: 2rem; color: #b8bab1; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 950px) {
  .site-header nav { gap: 1.2rem; }
  .site-header nav a { font-size: .7rem; }
  .site-header .brand-logo { width: 175px; }
  .hero { grid-template-columns: minmax(0, 1fr); padding-top: 8rem; }
  .wall-stage { min-width: 0; min-height: 620px; }
  .climbing-wall { width: 310px; }
  .orbit-one { width: 470px; height: 470px; }
  .orbit-two { width: 390px; height: 390px; }
  .tension-grid, .research, .updates, .specs-top { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .research-copy { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.28); }
  .research h2 { margin-bottom: 2.5rem; }
  .section-heading { display: block; }
  .section-heading h2 { margin-top: 3.5rem; text-align: left; }
  .principle { grid-template-columns: 40px 90px 1fr; }
  .concept-tag { display: none; }
  footer { grid-template-columns: 1fr; gap: 1rem; }
}

@media (max-width: 720px) {
  .site-header { min-height: 64px; }
  .brand-logo { width: 180px; }
  .nav-toggle { display: block; }
  .site-header nav { position: absolute; inset: 64px 0 auto; display: none; align-items: stretch; padding: 1rem 1.25rem 1.5rem; background: var(--ink); }
  .site-header nav.is-open { display: grid; gap: 0; }
  .site-header nav a { padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,.14); }
  .nav-cta { border: 0; }
  .hero { min-height: auto; padding-bottom: 5.5rem; }
  h1 { max-width: 100%; font-size: clamp(3.15rem, 12vw, 4.5rem); line-height: .92; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 1.25rem; }
  .wall-stage { min-height: 0; grid-template-rows: 600px auto; margin-top: 1rem; }
  .climbing-wall { grid-row: 1; grid-column: 1; width: 245px; }
  .orbit { grid-row: 1; grid-column: 1; }
  .orbit-one { width: 350px; height: 350px; }
  .orbit-two { width: 290px; height: 290px; }
  .stage-readout { grid-row: 1; grid-column: 1; right: -10px; top: 410px; bottom: auto; }
  .wall-controls { position: relative; grid-row: 2; grid-column: 1; justify-self: center; left: auto; bottom: auto; width: min(400px, calc(100vw - 4rem)); margin-top: 1.5rem; transform: none; }
  .hero-foot span:last-child { display: none; }
  .tension-grid { margin-top: 3rem; }
  .principle { grid-template-columns: 68px minmax(0, 1fr); column-gap: 1rem; row-gap: .6rem; min-height: 0; padding: 1.75rem 0; align-items: start; }
  .principle-number { grid-column: 1; grid-row: 1; padding-top: 0; }
  .principle-icon { grid-column: 1; grid-row: 2; width: 60px; height: 60px; font-size: 1.9rem; }
  .principle > div:nth-of-type(2) { grid-column: 2; grid-row: 1 / span 2; min-width: 0; }
  .principle h3 { font-size: clamp(1.15rem, 6.3vw, 1.55rem); line-height: 1.05; overflow-wrap: anywhere; }
  .spec-grid { grid-template-columns: 1fr; }
  .spec-card { min-height: 0; }
  .price-card { box-shadow: 10px 10px 0 var(--orange); }
  .field-row { grid-template-columns: 1fr; }
  .signup-panel { box-shadow: 10px 10px 0 var(--ink); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .climbing-wall { transition: none; }
}