/* ==========================================================================
   C0nfig — design system
   black / white / lime · layered surfaces · HUD chrome
   ========================================================================== */

:root {
  --black: #050506;
  --ink: #08090a;
  --white: #f2f4ee;
  --muted: #8d9388;
  --dim: #7a8073;
  --lime: #c3ff2e;
  --lime-dim: #96c920;
  --lime-soft: rgba(195, 255, 46, 0.12);
  --line: rgba(242, 244, 238, 0.10);
  --line-mid: rgba(242, 244, 238, 0.16);
  --line-strong: rgba(242, 244, 238, 0.28);
  --panel: rgba(255, 255, 255, 0.022);
  --wrap: 1240px;
  --pad: clamp(20px, 5vw, 64px);
  --head-h: 74px;
  --sans: "Space Grotesk", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--head-h) + 24px);
}

body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: -0.005em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.is-locked { overflow: hidden; }

::selection { background: var(--lime); color: #050506; }

img, svg, canvas { display: block; max-width: 100%; }

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

h1, h2, h3, h4 { margin: 0; font-weight: 500; letter-spacing: -0.035em; line-height: 1.02; }

p { margin: 0; }

ul, ol, dl, dd, dt, figure, blockquote { margin: 0; padding: 0; }

li { list-style: none; }

button { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: fixed;
  top: 10px;
  left: 50%;
  transform: translate(-50%, -200%);
  z-index: 200;
  padding: 10px 18px;
  background: var(--lime);
  color: #050506;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 0.25s var(--ease);
}
.skip:focus-visible { transform: translate(-50%, 0); }

/* ── scrollbar ───────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #050506; }
::-webkit-scrollbar-thumb {
  background: #1c2019;
  border: 3px solid #050506;
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover { background: var(--lime-dim); }

/* ==========================================================================
   layer stack — everything below the content
   ========================================================================== */

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

.layer { position: absolute; inset: 0; }

/* 1 · D3 force field canvas */
.layer--field {
  width: 100%;
  height: 100%;
  opacity: 0.95;
  transition: opacity 0.6s var(--ease);
}

/* 2 · engineering grid */
.layer--grid {
  background-image:
    linear-gradient(to right, rgba(242, 244, 238, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(242, 244, 238, 0.055) 1px, transparent 1px);
  background-size: 84px 84px;
  background-position: center top;
  -webkit-mask-image: radial-gradient(ellipse 78% 62% at 50% 8%, #000 8%, transparent 72%);
  mask-image: radial-gradient(ellipse 78% 62% at 50% 8%, #000 8%, transparent 72%);
  opacity: 0.85;
}

/* 3 · sweeping beam */
.layer--beam {
  background:
    radial-gradient(60% 40% at 78% 6%, rgba(195, 255, 46, 0.09), transparent 62%),
    radial-gradient(50% 45% at 12% 32%, rgba(195, 255, 46, 0.045), transparent 68%);
  animation: beamDrift 22s var(--ease) infinite alternate;
}

@keyframes beamDrift {
  0%   { transform: translate3d(0, 0, 0) scale(1); opacity: 0.85; }
  100% { transform: translate3d(-2.5%, 2%, 0) scale(1.06); opacity: 1; }
}

/* 4 · vignette */
.layer--vignette {
  background:
    radial-gradient(120% 90% at 50% -10%, transparent 30%, rgba(5, 5, 6, 0.55) 78%, var(--black) 100%),
    linear-gradient(to bottom, transparent 55%, rgba(5, 5, 6, 0.75) 100%);
}

/* 5 · grain */
.layer--noise {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.42'/%3E%3C/svg%3E");
  opacity: 0.05;
  mix-blend-mode: overlay;
}

/* ── reticle cursor ──────────────────────────────────────────────────── */
.reticle {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 90;
  width: 30px;
  height: 30px;
  margin: -15px 0 0 -15px;
  border: 1px solid rgba(195, 255, 46, 0.55);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s var(--ease), width 0.28s var(--ease-out), height 0.28s var(--ease-out),
    margin 0.28s var(--ease-out), border-color 0.3s var(--ease), background-color 0.3s var(--ease);
  will-change: transform;
}
.reticle::before,
.reticle::after {
  content: "";
  position: absolute;
  background: rgba(195, 255, 46, 0.5);
}
.reticle::before { top: 50%; left: -5px; right: -5px; height: 1px; transform: translateY(-50%); }
.reticle::after { left: 50%; top: -5px; bottom: -5px; width: 1px; transform: translateX(-50%); }
.reticle__dot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 3px;
  height: 3px;
  background: var(--lime);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.reticle.is-active {
  width: 56px;
  height: 56px;
  margin: -28px 0 0 -28px;
  border-color: var(--lime);
  background: rgba(195, 255, 46, 0.05);
}
.reticle.is-hidden { opacity: 0; }
body.has-pointer .reticle { opacity: 1; }

/* ── scroll progress ────────────────────────────────────────────────── */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 95;
  background: rgba(242, 244, 238, 0.06);
  pointer-events: none;
}
.progress span {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, rgba(195, 255, 46, 0.35), var(--lime));
  box-shadow: 0 0 12px rgba(195, 255, 46, 0.6);
}

/* ==========================================================================
   primitives
   ========================================================================== */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-inline: var(--pad);
}

main, .foot { position: relative; z-index: 1; }

.mono {
  font-family: var(--mono);
  font-size: 0.72em;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.lime { color: var(--lime); }
.dim { color: var(--dim); }

/* eyebrow / labels ---------------------------------------------------- */
.eyebrow {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow > span { white-space: nowrap; }
.eyebrow .tick {
  width: 6px;
  height: 6px;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(195, 255, 46, 0.14), 0 0 14px var(--lime);
  animation: pulse 2.6s ease-in-out infinite;
}
.eyebrow .sep { color: var(--dim); }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.82); }
}

.label {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 26px;
}
.label em {
  font-style: normal;
  color: var(--lime);
}
.label span::before {
  content: "";
  display: inline-block;
  width: 34px;
  height: 1px;
  margin-right: 14px;
  vertical-align: middle;
  background: linear-gradient(90deg, var(--line-strong), transparent);
}

/* buttons -------------------------------------------------------------- */
.btn {
  --btn-bg: transparent;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 28px;
  border: 1px solid var(--line-mid);
  background: var(--btn-bg);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  cursor: pointer;
  overflow: hidden;
  /* isolate so the ::before wash stays behind the label, even bare text */
  isolation: isolate;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease),
    background-color 0.3s var(--ease), transform 0.3s var(--ease-out),
    box-shadow 0.35s var(--ease);
}
.btn svg {
  width: 15px;
  height: 15px;
  transition: transform 0.35s var(--ease-out);
}
.btn > span,
.btn > svg { position: relative; z-index: 1; }

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: currentColor;
  opacity: 0;
  transform: translateY(101%);
  transition: transform 0.45s var(--ease-out), opacity 0.3s var(--ease);
}

.btn--lime {
  color: #050506;
  background: var(--lime);
  border-color: var(--lime);
  box-shadow: 0 10px 40px -16px rgba(195, 255, 46, 0.7);
}
.btn--lime::before {
  background: #050506;
  transform: translateY(0);
  opacity: 0;
}
.btn--lime:hover {
  color: var(--lime);
  box-shadow: 0 16px 50px -18px rgba(195, 255, 46, 0.85);
}
.btn--lime:hover::before { opacity: 1; }
.btn--lime:hover svg { transform: translateX(4px); }

.btn--ghost { color: var(--muted); }
.btn--ghost::before { background: rgba(242, 244, 238, 0.05); }
.btn--ghost:hover {
  color: var(--white);
  border-color: var(--line-strong);
}
.btn--ghost:hover::before { opacity: 1; transform: translateY(0); }

.btn--sm { padding: 11px 18px; font-size: 11px; letter-spacing: 0.1em; }

.btn:active { transform: translateY(1px); }

/* ==========================================================================
   header
   ========================================================================== */

.head {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--head-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease),
    backdrop-filter 0.4s var(--ease), height 0.4s var(--ease);
}
.head.is-stuck {
  height: 64px;
  background: rgba(5, 5, 6, 0.72);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--line);
}
.head__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
}

.brand {
  position: relative;
  z-index: 101;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
}
.brand__glyph {
  width: 26px;
  height: 26px;
  color: var(--lime);
  opacity: 0.9;
  transition: transform 0.6s var(--ease-out), opacity 0.3s var(--ease);
}
.brand:hover .brand__glyph { transform: rotate(60deg); opacity: 1; }
.brand__word {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.015em;
}
.brand__zero {
  color: var(--lime);
  text-shadow: 0 0 18px rgba(195, 255, 46, 0.55);
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav a {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 9px 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.28s var(--ease);
}
.nav a em {
  font-style: normal;
  font-size: 9px;
  color: var(--dim);
  transition: color 0.28s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 3px;
  height: 1px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.4s var(--ease-out);
}
.nav a:hover { color: var(--white); }
.nav a:hover em { color: var(--lime); }
.nav a:hover::after,
.nav a.is-current::after { transform: scaleX(1); }
.nav a.is-current { color: var(--white); }
.nav a.is-current em { color: var(--lime); }

.nav a.nav__cta { display: none; }

.head__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 0 0 auto;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.pill .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime);
  animation: pulse 2.2s ease-in-out infinite;
}

.burger {
  display: none;
  position: relative;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}
.burger span {
  position: absolute;
  left: 12px;
  right: 12px;
  height: 1px;
  background: var(--white);
  transition: transform 0.4s var(--ease-out), opacity 0.3s var(--ease);
}
.burger span:first-child { top: 17px; }
.burger span:last-child { bottom: 17px; }
.head.is-open .burger span:first-child { transform: translateY(4px) rotate(45deg); }
.head.is-open .burger span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ==========================================================================
   hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: calc(var(--head-h) + 60px) 120px;
}

.hero__inner { position: relative; z-index: 2; max-width: 980px; }

.hero__title {
  margin: 30px 0 0;
  font-size: clamp(2.85rem, 8.6vw, 7.6rem);
  font-weight: 500;
  line-height: 0.92;
  letter-spacing: -0.048em;
}
.hero__title .ln { display: block; }
.hero__title .ln:nth-child(2) {
  color: transparent;
  -webkit-text-stroke: 1px rgba(242, 244, 238, 0.55);
  text-stroke: 1px rgba(242, 244, 238, 0.55);
}
.hero__title .lime {
  -webkit-text-stroke: 0;
  color: var(--lime);
  text-shadow: 0 0 40px rgba(195, 255, 46, 0.45);
}
.hero__title .ln--sub {
  margin-top: 0.28em;
  max-width: 24ch;
  font-size: clamp(1.05rem, 2.35vw, 1.85rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--muted);
}

.hero__lede {
  max-width: 60ch;
  margin-top: 34px;
  font-size: clamp(1rem, 1.35vw, 1.14rem);
  line-height: 1.62;
  color: var(--muted);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
}

.facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  max-width: 760px;
  margin-top: 72px;
  border: 1px solid var(--line);
  background: var(--line);
}
.fact {
  padding: 18px 20px;
  background: rgba(5, 5, 6, 0.55);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.fact dt {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
}
.fact dd {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 8px;
}
.fact .num {
  font-size: 1.65rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
}
.fact .unit {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* HUD — right rail, two panels ---------------------------------------- */
.hud {
  position: absolute;
  right: var(--pad);
  top: 50%;
  z-index: 2;
  width: 246px;
  transform: translateY(-50%);
  display: grid;
  gap: 14px;
}

.telemetry,
.profile {
  position: relative;
  border: 1px solid var(--line);
  background: rgba(6, 7, 6, 0.55);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.telemetry::before,
.telemetry::after,
.profile::before,
.profile::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 7px;
  border: 1px solid var(--lime);
  opacity: 0.7;
}
.telemetry::before,
.profile::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.telemetry::after,
.profile::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.telemetry__bar,
.profile__bar {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 11px 13px;
  border-bottom: 1px solid var(--line);
  color: var(--white);
}
.telemetry__ver { color: var(--dim); }

.spark {
  display: block;
  width: 100%;
  height: 52px;
  border-bottom: 1px solid var(--line);
}
.spark__grid line { stroke: rgba(242, 244, 238, 0.07); stroke-width: 1; }
.spark__line {
  fill: none;
  stroke: var(--lime);
  stroke-width: 1.4;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 5px rgba(195, 255, 46, 0.7));
}

.telemetry__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.telemetry__grid > div {
  padding: 10px 13px;
  border-bottom: 1px solid var(--line);
}
.telemetry__grid > div:nth-child(odd) { border-right: 1px solid var(--line); }
.telemetry__grid dt { color: var(--dim); font-size: 9px; }
.telemetry__grid dd {
  margin-top: 4px;
  color: var(--white);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.telemetry__foot {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 13px;
  color: var(--lime);
  font-size: 9px;
}
.blink {
  width: 5px;
  height: 5px;
  background: var(--lime);
  border-radius: 50%;
  animation: pulse 1.8s ease-in-out infinite;
}

/* client profile ------------------------------------------------------- */
.profile__scan {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime);
  animation: pulse 1.8s ease-in-out infinite;
}

/* "detecting" + one, two, three dots, then back to one. Each dot switches on at
   its own quarter of the cycle and all three clear on the last quarter, so the
   count goes 1 → 2 → 3 → (blank) → 1. The 0.01% keyframe pairs make the switch
   instant rather than a slow opacity ramp. */
.profile__dots { display: inline; }
.profile__dots > span {
  opacity: 0;
  animation-duration: 1.2s;
  animation-iteration-count: infinite;
  animation-timing-function: linear;
}
.profile__dots > span:nth-child(1) { animation-name: dotOnFirst; }
.profile__dots > span:nth-child(2) { animation-name: dotOnSecond; }
.profile__dots > span:nth-child(3) { animation-name: dotOnThird; }

@keyframes dotOnFirst {
  0%, 74.99% { opacity: 1; }
  75%, 100% { opacity: 0; }
}
@keyframes dotOnSecond {
  0%, 24.99% { opacity: 0; }
  25%, 74.99% { opacity: 1; }
  75%, 100% { opacity: 0; }
}
@keyframes dotOnThird {
  0%, 49.99% { opacity: 0; }
  50%, 74.99% { opacity: 1; }
  75%, 100% { opacity: 0; }
}
.profile__rows > div {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 7px 13px;
  border-bottom: 1px solid rgba(242, 244, 238, 0.055);
}
.profile__rows > div:last-child { border-bottom: 0; }
.profile__rows dt {
  font-size: 9px;
  color: var(--dim);
}
.profile__rows dd {
  margin: 0;
  font-size: 10px;
  letter-spacing: 0.06em;
  line-height: 1.45;
  color: var(--white);
  text-align: right;
  overflow-wrap: anywhere;
}
.profile__rows dd.is-pending { color: var(--dim); }

.profile__ask {
  padding: 13px;
  border-top: 1px solid var(--line);
  background: rgba(195, 255, 46, 0.035);
}
.profile__ask-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.25;
  text-transform: none;
  color: var(--white);
  transition: color 0.3s var(--ease);
}
.profile__ask-link span {
  position: relative;
}
.profile__ask-link span::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 1px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.4s var(--ease-out);
}
.profile__ask-link svg {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  transition: transform 0.3s var(--ease-out);
}
.profile__ask-link:hover { color: var(--lime); }
.profile__ask-link:hover span::after { transform: scaleX(1); }
.profile__ask-link:hover svg { transform: translateX(3px); }

/* hero edges / scroll hint --------------------------------------------- */
.hero__edge {
  position: absolute;
  right: var(--pad);
  bottom: 116px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
}

.scrollhint {
  position: absolute;
  left: var(--pad);
  bottom: 46px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--dim);
  transition: color 0.3s var(--ease);
}
.scrollhint:hover { color: var(--lime); }
.scrollhint__line {
  position: relative;
  width: 54px;
  height: 1px;
  background: var(--line-mid);
  overflow: hidden;
}
.scrollhint__line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--lime);
  transform: translateX(-100%);
  animation: sweepLine 2.8s var(--ease) infinite;
}
@keyframes sweepLine {
  0% { transform: translateX(-100%); }
  55%, 100% { transform: translateX(100%); }
}

/* ==========================================================================
   ticker
   ========================================================================== */

.ticker {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 5, 6, 0.5);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  padding: 13px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ticker__track {
  display: flex;
  align-items: center;
  gap: 22px;
  width: max-content;
  animation: marquee 52s linear infinite;
  will-change: transform;
}
.ticker__track span {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
  white-space: nowrap;
}
.ticker__track i {
  font-style: normal;
  font-size: 6px;
  color: var(--lime);
  opacity: 0.65;
}
.ticker:hover .ticker__track { animation-play-state: paused; }

@keyframes marquee {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}

/* ==========================================================================
   sections
   ========================================================================== */

.sec {
  position: relative;
  z-index: 1;
  padding-block: clamp(84px, 13vh, 168px);
}
.sec + .sec { border-top: 1px solid rgba(242, 244, 238, 0.055); }

.sec__head { max-width: 900px; margin-bottom: clamp(44px, 6vw, 82px); }

.sec__title {
  font-size: clamp(2rem, 4.6vw, 3.9rem);
  line-height: 1.03;
  letter-spacing: -0.04em;
}

.sec__note {
  max-width: 58ch;
  margin-top: 26px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

.lead {
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  line-height: 1.58;
  color: var(--white);
  letter-spacing: -0.012em;
}

/* ── 01 · gap ────────────────────────────────────────────────────────── */
.gap {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
.gap__copy { display: grid; gap: 20px; max-width: 62ch; }
.gap__copy p { color: var(--muted); line-height: 1.65; }
.gap__copy .note {
  padding-left: 18px;
  border-left: 1px solid var(--lime);
  color: var(--white);
  font-size: 0.95rem;
}

.gap__list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.gap__list li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 4px 12px;
  padding: 22px 24px;
  background: rgba(6, 7, 6, 0.5);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: background-color 0.4s var(--ease);
}
.gap__list li:hover { background: rgba(195, 255, 46, 0.045); }
.gap__list .mono { grid-row: span 2; color: var(--lime); }
.gap__list strong {
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: -0.015em;
}
.gap__list span:last-child {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

/* ── 02 · cards ──────────────────────────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(24px, 3vw, 38px);
  background: rgba(7, 8, 7, 0.72);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: background-color 0.5s var(--ease);
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    340px circle at var(--mx, 50%) var(--my, 0%),
    rgba(195, 255, 46, 0.10),
    transparent 68%
  );
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}
.card:hover::after { opacity: 1; }
.card:hover { background: rgba(9, 11, 8, 0.85); }

.card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card__idx {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--dim);
}
.card__tag {
  padding: 5px 10px;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.35s var(--ease), border-color 0.35s var(--ease),
    background-color 0.35s var(--ease);
}
.card:hover .card__tag {
  color: var(--lime);
  border-color: rgba(195, 255, 46, 0.4);
  background: rgba(195, 255, 46, 0.06);
}

.card h3 {
  font-size: clamp(1.3rem, 2vw, 1.65rem);
  letter-spacing: -0.03em;
}
.card > p {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.6;
  max-width: 46ch;
}

.card__list {
  display: grid;
  gap: 9px;
  margin-top: 6px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.card__list li {
  position: relative;
  padding-left: 18px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  line-height: 1.5;
  text-transform: uppercase;
  color: var(--dim);
  transition: color 0.35s var(--ease);
}
.card__list li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 7px;
  height: 1px;
  background: var(--line-strong);
  transition: background-color 0.35s var(--ease), width 0.35s var(--ease);
}
.card:hover .card__list li { color: var(--muted); }
.card:hover .card__list li::before { background: var(--lime); width: 10px; }

/* discussable --------------------------------------------------------- */
.discussable {
  margin-top: 1px;
  border: 1px solid var(--line);
  border-top: 0;
  padding: clamp(26px, 3.4vw, 44px);
  background: rgba(6, 7, 6, 0.6);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(18px, 3vw, 46px);
  align-items: center;
}
.discussable__line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  letter-spacing: -0.02em;
}
.discussable__line .mono { font-size: 0.55em; letter-spacing: 0.2em; }
.discussable p { color: var(--muted); font-size: 0.94rem; line-height: 1.62; }

.rotator {
  position: relative;
  display: inline-grid;
  min-width: 9ch;
  height: 1.35em;
  vertical-align: bottom;
}
.rotator__item {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  color: var(--lime);
  opacity: 0;
  transform: translateY(0.55em);
  transition: opacity 0.5s var(--ease), transform 0.55s var(--ease-out);
  white-space: nowrap;
}
.rotator__item.is-on { opacity: 1; transform: translateY(0); }
.rotator__item.is-out { opacity: 0; transform: translateY(-0.55em); }

/* ── 03 · process ────────────────────────────────────────────────────── */
.steps {
  --fill: 0;
  position: relative;
  display: grid;
  gap: 0;
  padding-left: 30px;
}
.steps::before,
.steps::after {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 26px;
  left: 3px;
  width: 1px;
}
.steps::before { background: var(--line); }
.steps::after {
  background: linear-gradient(to bottom, var(--lime), rgba(195, 255, 46, 0.25));
  box-shadow: 0 0 14px rgba(195, 255, 46, 0.5);
  transform: scaleY(var(--fill));
  transform-origin: 50% 0;
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  padding-bottom: clamp(34px, 4.4vw, 62px);
}
.step:last-child { padding-bottom: 0; }

.step__rail {
  position: absolute;
  top: 6px;
  left: -30px;
  width: 7px;
  height: 7px;
}
.step__node {
  position: absolute;
  inset: 0;
  border: 1px solid var(--line-strong);
  background: var(--black);
  transform: rotate(45deg);
  transition: border-color 0.5s var(--ease), background-color 0.5s var(--ease),
    box-shadow 0.5s var(--ease), transform 0.5s var(--ease-out);
}
.step.is-live .step__node {
  border-color: var(--lime);
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(195, 255, 46, 0.12), 0 0 18px rgba(195, 255, 46, 0.7);
  transform: rotate(45deg) scale(1.15);
}

.step__body {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 6px clamp(20px, 4vw, 60px);
  align-items: start;
}
.step__num {
  grid-column: 1 / -1;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--lime);
}
.step__body h3 {
  grid-row: 2;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  letter-spacing: -0.03em;
  transition: color 0.35s var(--ease);
}
.step__time {
  grid-row: 3;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
}
.step__body > p:not(.step__time) {
  grid-column: 2;
  grid-row: 2 / span 2;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.62;
  max-width: 52ch;
}
.step__out {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.step__out li {
  padding: 6px 11px;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
  transition: color 0.35s var(--ease), border-color 0.35s var(--ease);
}
.step:hover .step__out li { color: var(--muted); border-color: var(--line-mid); }
.step:hover .step__body h3 { color: var(--lime); }

/* ── 04 · radar ──────────────────────────────────────────────────────── */
.sec--watch {
  background:
    radial-gradient(80% 60% at 82% 12%, rgba(195, 255, 46, 0.055), transparent 62%),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.012), transparent 40%);
}
.watch {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  gap: clamp(34px, 5.5vw, 84px);
  align-items: start;
}
.watch__copy { display: grid; gap: 20px; }
.watch__copy .sec__title { margin-bottom: 4px; }
.watch__copy p { color: var(--muted); line-height: 1.65; max-width: 56ch; }
.watch__copy .lead { color: var(--white); }

.watch__points {
  display: grid;
  gap: 1px;
  margin-top: 10px;
  border: 1px solid var(--line);
  background: var(--line);
}
.watch__points li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 18px;
  background: rgba(6, 7, 6, 0.6);
  font-size: 0.9rem;
  color: var(--muted);
  transition: color 0.35s var(--ease), background-color 0.35s var(--ease);
}
.watch__points li:hover { color: var(--white); background: rgba(195, 255, 46, 0.05); }
.watch__points .mono { color: var(--lime); }

.chart {
  position: relative;
  padding: 20px 20px 16px;
  border: 1px solid var(--line);
  background: rgba(6, 7, 6, 0.62);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.chart::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 10px;
  height: 10px;
  border-top: 1px solid var(--lime);
  border-left: 1px solid var(--lime);
}
.chart__cap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
}
.chart__flag {
  padding: 3px 7px;
  border: 1px solid var(--line-mid);
  color: var(--muted);
}

/* signal scope — the six channels, drawn as an instrument --------------- */
.scope {
  position: relative;
  width: min(100%, 340px);
  margin: 6px auto 0;
  aspect-ratio: 1;
}
.scope__dial {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}
.scope__rings circle {
  fill: none;
  stroke: rgba(242, 244, 238, 0.11);
  stroke-width: 1;
}
.scope__rings circle:first-child { stroke-dasharray: 2 7; }
.scope__cross line {
  stroke: rgba(242, 244, 238, 0.07);
  stroke-width: 1;
}
.scope__nodes circle {
  fill: var(--lime);
  filter: drop-shadow(0 0 6px rgba(195, 255, 46, 0.75));
}
.scope__core {
  fill: var(--lime);
  filter: drop-shadow(0 0 12px rgba(195, 255, 46, 0.9));
}
.scope__ids text {
  fill: var(--dim);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-anchor: middle;
  dominant-baseline: middle;
}
.scope__ticks {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: repeating-conic-gradient(
    from 0deg,
    rgba(242, 244, 238, 0.26) 0deg 0.45deg,
    transparent 0.45deg 15deg
  );
  -webkit-mask: radial-gradient(circle, transparent 0 93%, #000 93% 100%);
  mask: radial-gradient(circle, transparent 0 93%, #000 93% 100%);
}
.scope__sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  /* narrow trail behind the leading edge, clipped to the ring between the
     inner hole and the outer bezel so it reads as a sweep, not a pie */
  background: conic-gradient(
    from 0deg,
    rgba(195, 255, 46, 0) 316deg,
    rgba(195, 255, 46, 0.03) 338deg,
    rgba(195, 255, 46, 0.07) 354deg,
    rgba(195, 255, 46, 0.13) 359.5deg,
    rgba(195, 255, 46, 0) 360deg
  );
  -webkit-mask: radial-gradient(circle, transparent 0 26%, #000 33% 85%, transparent 87%);
  mask: radial-gradient(circle, transparent 0 26%, #000 33% 85%, transparent 87%);
  mix-blend-mode: screen;
  animation: scopeSweep 5.5s linear infinite;
}
/* the leading beam — a hairline that rotates with the trail */
.scope__sweep::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 50%;
  background: linear-gradient(
    to bottom,
    rgba(195, 255, 46, 0.9) 0%,
    rgba(195, 255, 46, 0.45) 45%,
    rgba(195, 255, 46, 0) 100%
  );
}
@keyframes scopeSweep {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.scope__note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 0.82rem;
  line-height: 1.55;
}

/* ── 05 · principles ─────────────────────────────────────────────────── */
.principles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.principle {
  padding: clamp(22px, 2.6vw, 32px);
  background: rgba(6, 7, 6, 0.7);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: background-color 0.45s var(--ease);
}
.principle:hover { background: rgba(10, 12, 9, 0.9); }
.principle__k {
  display: block;
  margin-bottom: 26px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
}
.principle h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.principle p { color: var(--muted); font-size: 0.88rem; line-height: 1.6; }

/* lineage — 2015 telecom, 2022 AI, now watch ----------------------------- */
.lineage {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(32px, 4.4vw, 56px);
  border: 1px solid var(--line);
  background: var(--line);
}
.lineage__item {
  position: relative;
  padding: clamp(22px, 2.6vw, 30px) clamp(18px, 2.4vw, 26px);
  background: rgba(6, 7, 6, 0.62);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: background-color 0.4s var(--ease);
}
.lineage__item:hover { background: rgba(10, 12, 9, 0.85); }
.lineage__item::before {
  content: "";
  position: absolute;
  top: clamp(24px, 2.8vw, 33px);
  right: clamp(16px, 2.2vw, 24px);
  width: 6px;
  height: 6px;
  background: var(--line-strong);
  transform: rotate(45deg);
}
.lineage__item--now::before {
  background: var(--lime);
  box-shadow: 0 0 12px rgba(195, 255, 46, 0.85);
}
.lineage__year {
  display: block;
  font-family: var(--mono);
  font-size: clamp(1.35rem, 2.3vw, 1.85rem);
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--lime);
}
.lineage__label {
  display: block;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
}
.lineage__item p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.6;
}

/* founder note — portrait + principle -------------------------------- */
.founder {
  display: grid;
  grid-template-columns: minmax(240px, 340px) minmax(0, 1fr);
  margin-top: clamp(44px, 6vw, 80px);
  border: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(195, 255, 46, 0.05), transparent 55%);
  overflow: hidden;
}

.founder__portrait {
  position: relative;
  overflow: hidden;
  background: #08090a;
  border-right: 1px solid var(--line);
}
.founder__portrait img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 16%;
  filter: grayscale(1) contrast(1.08) brightness(0.92);
  transform: scale(1.01);
  transition: filter 0.9s var(--ease), transform 1.5s var(--ease-out);
}
.founder:hover .founder__portrait img,
.founder:focus-within .founder__portrait img {
  filter: grayscale(0) contrast(1.03) brightness(1);
  transform: scale(1.04);
}
/* the crop melts into the panel instead of ending on a hard edge */
.founder__portrait::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to bottom, transparent 52%, rgba(5, 5, 6, 0.88) 100%),
    linear-gradient(to right, transparent 74%, rgba(5, 5, 6, 0.45) 100%);
}
.founder__portrait::before {
  content: "";
  position: absolute;
  z-index: 1;
  top: 12px;
  left: 12px;
  width: 16px;
  height: 16px;
  border-top: 1px solid var(--lime);
  border-left: 1px solid var(--lime);
  opacity: 0.85;
}
.founder__tag {
  position: absolute;
  z-index: 2;
  left: 14px;
  bottom: 14px;
  padding: 5px 10px;
  border: 1px solid rgba(195, 255, 46, 0.35);
  background: rgba(5, 5, 6, 0.65);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
}

.founder__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(20px, 3vw, 30px);
  padding: clamp(28px, 4vw, 56px);
}

.quote {
  position: relative;
  padding-left: clamp(34px, 4vw, 56px);
}
.quote::before {
  content: "“";
  position: absolute;
  top: -0.24em;
  left: 0;
  font-size: clamp(3rem, 4.6vw, 4rem);
  line-height: 1;
  color: rgba(195, 255, 46, 0.22);
  font-family: var(--sans);
  pointer-events: none;
}
.quote p {
  position: relative;
  max-width: 34ch;
  font-size: clamp(1.12rem, 1.85vw, 1.55rem);
  line-height: 1.34;
  letter-spacing: -0.025em;
}

.founder__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding-top: clamp(16px, 2vw, 22px);
  border-top: 1px solid var(--line);
}
.founder__name {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}
.founder__name::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--lime);
  box-shadow: 0 0 10px rgba(195, 255, 46, 0.8);
}
.founder__role {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
}

/* ── 06 · contact ────────────────────────────────────────────────────── */
.sec--contact {
  background: radial-gradient(70% 70% at 50% 100%, rgba(195, 255, 46, 0.06), transparent 70%);
}
.start {
  display: grid;
  gap: clamp(16px, 2.2vw, 24px);
  max-width: 1080px;
}
.start .label { margin-bottom: 0; }
.start__lede { max-width: 56ch; }

.contact__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(4px, 1vw, 10px);
  border: 1px solid var(--line);
  background: var(--line);
}
.contact__meta > div {
  padding: 14px 16px;
  background: rgba(6, 7, 6, 0.6);
}
.contact__meta dt {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
}
.contact__meta dd {
  margin-top: 6px;
  font-size: 0.92rem;
}
.contact__meta a {
  border-bottom: 1px solid transparent;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.contact__meta a:hover { color: var(--lime); border-bottom-color: var(--lime); }

/* primary contact — one address, as large as it deserves -------------- */
.mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  width: 100%;
  margin-top: clamp(10px, 2vw, 20px);
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line);
}
.mail__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: clamp(1.05rem, 5.4vw, 3.1rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.15;
  color: var(--white);
}
.mail__at {
  color: var(--dim);
  transition: color 0.35s var(--ease);
}
.mail__domain { color: var(--lime); }
.mail__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.16em;
  height: 1px;
  background: var(--lime);
  box-shadow: 0 0 14px rgba(195, 255, 46, 0.65);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.55s var(--ease-out);
}
.mail__link:hover::after,
.mail__link:focus-visible::after { transform: scaleX(1); }
.mail__link:hover .mail__at,
.mail__link:focus-visible .mail__at { color: var(--lime); }

.mail__copy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--line-mid);
  background: transparent;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
  cursor: pointer;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease),
    background-color 0.3s var(--ease);
}
.mail__copy svg { width: 11px; height: 11px; }
.mail__copy:hover {
  color: var(--lime);
  border-color: rgba(195, 255, 46, 0.45);
  background: rgba(195, 255, 46, 0.06);
}
.mail__copy.is-done {
  color: var(--lime);
  border-color: var(--lime);
  background: rgba(195, 255, 46, 0.1);
}

.mail__note {
  max-width: 58ch;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ==========================================================================
   footer
   ========================================================================== */

.foot {
  border-top: 1px solid var(--line);
  background: rgba(4, 4, 5, 0.9);
  padding-block: clamp(40px, 5vw, 64px);
}
.foot__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}
.foot__brand .brand__word { font-size: 17px; letter-spacing: 0.015em; }
.foot__brand p {
  margin-top: 14px;
  color: var(--dim);
  font-size: 0.86rem;
  line-height: 1.6;
}
.foot__mail {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.foot__mail:hover { color: var(--lime); border-bottom-color: var(--lime); }
.foot__nav {
  display: grid;
  gap: 9px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.foot__nav a {
  color: var(--muted);
  transition: color 0.3s var(--ease), transform 0.3s var(--ease-out);
}
.foot__nav a:hover { color: var(--lime); transform: translateX(3px); }
.foot__meta {
  display: grid;
  gap: 8px;
  justify-items: end;
  text-align: right;
}
.foot__meta .mono { font-size: 9.5px; letter-spacing: 0.14em; }

/* A bech32 address is 42 characters: it needs the letter-spacing off to stay
   readable and copyable, and it has to wrap rather than widen the footer.
   `user-select: all` means one click takes the whole thing. */
.foot__btc {
  font-size: 9px;
  letter-spacing: 0;
  color: var(--dim);
  overflow-wrap: anywhere;
  -webkit-user-select: all;
  user-select: all;
  /* bech32 is canonically lowercase; upper-casing it invites a copy that some
     wallets will reject outright (mixed case is invalid) */
  text-transform: none;
}

/* ==========================================================================
   reveal animation
   ========================================================================== */

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
  transition-delay: calc(var(--d, 0) * 90ms);
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}
[data-reveal-delay="1"] { --d: 1; }
[data-reveal-delay="2"] { --d: 2; }
[data-reveal-delay="3"] { --d: 3; }
[data-reveal-delay="4"] { --d: 4; }

/* ==========================================================================
   responsive
   ========================================================================== */

@media (max-width: 1120px) {
  .hud { display: none; }
  .hero__edge { display: none; }
  .hero__inner { max-width: none; }
  /* three cards stop fitting side by side before the layout narrows */
  .cards { grid-template-columns: minmax(0, 1fr); }
}

/* short viewports: anchor the rail under the header instead of centring it,
   and shed the field panel when there is genuinely no room for both */
@media (max-height: 800px) and (min-width: 1121px) {
  .hud {
    top: calc(var(--head-h) + 26px);
    transform: none;
    gap: 10px;
  }
}
@media (max-height: 730px) and (min-width: 1121px) {
  .telemetry { display: none; }
}

@media (max-width: 980px) {
  .nav {
    position: fixed;
    inset: 0;
    z-index: 99;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 8px;
    padding: 0 var(--pad);
    background: rgba(5, 5, 6, 0.96);
    -webkit-backdrop-filter: blur(22px);
    backdrop-filter: blur(22px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease-out), visibility 0.4s;
  }
  .head.is-open .nav {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .nav a {
    padding: 14px 0;
    font-size: 20px;
    letter-spacing: 0.06em;
    color: var(--white);
  }
  .nav a::after { left: 0; right: 0; bottom: 8px; }
  .nav a.nav__cta {
    display: inline-flex;
    margin-top: 26px;
    padding: 16px 26px;
    border: 1px solid var(--lime);
    background: var(--lime);
    color: #050506;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.12em;
  }
  .nav a.nav__cta:hover { color: var(--lime); background: transparent; }
  .nav a.nav__cta::after { display: none; }
  .burger { display: inline-block; z-index: 101; }
  .pill { display: none; }

  .gap,
  .watch,
  .discussable { grid-template-columns: minmax(0, 1fr); }
  .watch .chart { order: 2; }
  .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .founder {
    grid-template-columns: minmax(0, 1fr);
  }
  .founder__portrait {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    aspect-ratio: 1 / 1;
  }
  .founder__portrait img { object-position: 50% 20%; }
  .foot__inner { grid-template-columns: 1fr 1fr; }
  .foot__meta { grid-column: 1 / -1; justify-items: start; text-align: left; }
}

@media (max-width: 760px) {
  .cards { grid-template-columns: minmax(0, 1fr); }
  .head__actions .btn--sm { display: none; }
  .contact__meta { grid-template-columns: minmax(0, 1fr); }
  .lineage { grid-template-columns: minmax(0, 1fr); }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step__body { grid-template-columns: minmax(0, 1fr); }
  .step__body > p:not(.step__time),
  .step__out { grid-column: 1; }
  .step__body > p:not(.step__time) { grid-row: 4; margin-top: 10px; }
  .step__body h3 { grid-row: 2; }
  .step__time { grid-row: 3; }
  .form__row { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-block: calc(var(--head-h) + 48px) 76px; }
  .hero__title { font-size: clamp(2.5rem, 11.5vw, 4rem); }
  .scrollhint { display: none; }
  .btn { width: 100%; }
  .hero__cta .btn { width: auto; flex: 1 1 auto; }
}

@media (max-width: 520px) {
  .principles { grid-template-columns: minmax(0, 1fr); }
  .foot__inner { grid-template-columns: 1fr; }
  .eyebrow { font-size: 9.5px; letter-spacing: 0.13em; gap: 4px 18px; }
  .eyebrow .sep { display: none; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { width: 100%; }
  .contact__meta { grid-template-columns: 1fr; }
  .reticle { display: none; }
}

/* ==========================================================================
   motion & contrast preferences
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .ticker__track { animation: none; }
  /* the ellipsis would otherwise freeze mid-cycle at one or two dots */
  .profile__dots > span { opacity: 1 !important; animation: none !important; }
  .reticle { display: none; }
}

@media (prefers-contrast: more) {
  :root {
    --muted: #b6bcb2;
    --dim: #8d9388;
    --line: rgba(242, 244, 238, 0.24);
    --line-mid: rgba(242, 244, 238, 0.34);
  }
}