/* IZZZIO, izzzio.com
   Brand: ink #121419 + signal red #FC131B, isometric red line art.
   Type: Unbounded (display) · Onest (text) · JetBrains Mono (labels/data). */

:root {
  --paper: #f4f5f7;
  --surface: #ffffff;
  --ink: #121419;
  --graphite: #5a606b;
  --mute: #8a909b;
  --rule: #dde0e5;
  --red: #fc131b;
  --red-ink: #d70d14;
  --red-tint: #fff0f0;
  --night: #0e1014;
  --night-2: #171a20;
  --night-rule: #2a2e36;
  --night-text: #c9ccd3;

  --f-display: "Unbounded", "Arial Black", system-ui, sans-serif;
  --f-text: "Onest", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 14px;
  --radius-lg: 24px;
  --section-y: clamp(72px, 10vw, 140px);

  color-scheme: light;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-text);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }

:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
  border-radius: 6px;
}

.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 8px;
  text-decoration: none;
}
.skip:focus { top: 12px; }

/* Type */

.display {
  font-family: var(--f-display);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.h2 {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(30px, 4.6vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  max-width: 18ch;
}

.h3 {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.lede {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.5;
  color: var(--graphite);
  max-width: 56ch;
}

.label {
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--graphite);
}

/* The cube exponent brand mark ³ used as section index */
.cube {
  font-family: var(--f-mono);
  font-size: 0.42em;
  font-weight: 600;
  color: var(--red);
  vertical-align: super;
  letter-spacing: 0;
  margin-left: 0.08em;
}

/* Buttons */

.btn {
  --h: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: var(--h);
  padding: 0 24px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s, transform .2s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--red { background: var(--red); color: #fff; }
.btn--red:hover { background: var(--red-ink); }
.btn--ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn--ghost:hover { background: var(--ink); color: #fff; }
.btn--sm { --h: 42px; padding: 0 18px; font-size: 15px; }
.btn .arr { transition: transform .2s; }
.btn:hover .arr { transform: translateX(3px); }

/* Header */

.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.top.is-scrolled { border-bottom-color: var(--rule); }
.top__in {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 72px;
}
.logo { display: inline-flex; align-items: center; text-decoration: none; }
.logo { gap: 10px; color: var(--ink); }
.logo svg { height: 26px; width: auto; }
.logo__word {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .04em;
}
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a {
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  color: var(--graphite);
  transition: color .15s;
}
.nav a:hover { color: var(--ink); }
.top__tools { display: flex; align-items: center; gap: 14px; }

.lang {
  display: inline-flex;
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 3px;
  background: var(--surface);
}
.lang button {
  border: 0;
  background: transparent;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
  color: var(--graphite);
}
.lang button[aria-pressed="true"] { background: var(--ink); color: #fff; }

.burger {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--surface);
  cursor: pointer;
  align-items: center; justify-content: center;
}
.burger span, .burger span::before, .burger span::after {
  display: block; width: 18px; height: 1.5px; background: var(--ink);
  position: relative; transition: transform .2s, opacity .2s;
}
.burger span::before, .burger span::after { content: ""; position: absolute; left: 0; }
.burger span::before { top: -6px; }
.burger span::after { top: 6px; }
.top.is-open .burger span { background: transparent; }
.top.is-open .burger span::before { transform: translateY(6px) rotate(45deg); }
.top.is-open .burger span::after { transform: translateY(-6px) rotate(-45deg); }

/* Hero */

.hero {
  position: relative;
  padding: clamp(40px, 7vw, 96px) 0 0;
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}
.hero h1 {
  font-size: clamp(34px, 5vw, 68px);
  line-height: 1.04;
  hyphens: manual;
}
.hero h1 em {
  font-style: normal;
  color: var(--red);
}
.hero .lede { margin-top: 28px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

.say {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  padding: 8px 14px 8px 8px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--surface);
  font-size: 14px;
  color: var(--graphite);
}
.say b {
  font-family: var(--f-mono);
  font-weight: 600;
  background: var(--red-tint);
  color: var(--red-ink);
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 13px;
}

.hero__art {
  position: relative;
  margin-right: calc(var(--gutter) * -1);
}
.hero__art img { width: 100%; }

.facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--rule);
  margin-top: clamp(40px, 6vw, 72px);
}
.fact {
  padding: 28px 24px 32px 0;
  border-right: 1px solid var(--rule);
}
.fact + .fact { padding-left: 24px; }
.fact:last-child { border-right: 0; }
.fact__n {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(30px, 3.4vw, 44px);
  letter-spacing: -0.04em;
  line-height: 1;
}
.fact__n sup { font-size: .45em; color: var(--red); vertical-align: top; margin-left: 2px; }
.fact__t { margin-top: 10px; font-size: 15px; color: var(--graphite); max-width: 24ch; }

/* Sections */

.sec { padding: var(--section-y) 0; }
.sec__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
  gap: 24px 56px;
  align-items: end;
  margin-bottom: clamp(40px, 5vw, 64px);
}
.sec__head .label { grid-column: 1 / -1; display: flex; align-items: center; gap: 10px; }
.sec__head .label::before {
  content: "";
  width: 22px; height: 1.5px; background: var(--red);
}

/* Services */

.svc {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.svc__item {
  background: var(--surface);
  padding: 32px 28px 30px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 300px;
}
.svc__item--lead { background: var(--ink); color: #fff; }
.svc__item--lead p { color: var(--night-text); }
.svc__item--lead .svc__tags li { border-color: #3a3f48; color: #e6e7ea; }
.svc__icon { width: 44px; height: 44px; color: var(--red); }
.svc__item p { color: var(--graphite); font-size: 16px; }
.svc__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 10px; }
.svc__tags li {
  font-family: var(--f-mono);
  font-size: 11.5px;
  padding: 4px 9px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--graphite);
}

/* Apps */

.apps { background: var(--surface); border-block: 1px solid var(--rule); }
.app {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(28px, 5vw, 80px);
  align-items: center;
  padding: clamp(40px, 6vw, 72px) 0;
  border-top: 1px solid var(--rule);
}
.app:first-of-type { border-top: 0; padding-top: 0; }
.app:nth-of-type(even) .app__media { order: -1; }
.app__meta { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.app__icon {
  width: 56px; height: 56px; border-radius: 14px;
  box-shadow: 0 0 0 1px rgba(18,20,25,.08), 0 6px 16px -6px rgba(18,20,25,.25);
  object-fit: cover;
  flex: none;
}
.app__kind { font-size: 14px; color: var(--graphite); }
.status {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--f-mono); font-size: 11.5px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 999px;
  background: #eaf8ef; color: #12753a;
}
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status--archive { background: #eef0f3; color: var(--graphite); }
.app h3 { font-size: clamp(28px, 3.4vw, 44px); }
.app .lede { margin-top: 16px; font-size: 17px; }
.app__list { margin-top: 22px; display: grid; gap: 10px; }
.app__list li {
  position: relative;
  padding-left: 26px;
  font-size: 16px;
}
.app__list li::before {
  content: "";
  position: absolute; left: 0; top: .62em;
  width: 12px; height: 1.5px; background: var(--red);
}
.app__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; margin-top: 28px; }
.app__stack { font-family: var(--f-mono); font-size: 12.5px; color: var(--mute); }
.app__link {
  font-weight: 600; font-size: 15px; text-decoration: none;
  border-bottom: 1.5px solid var(--red);
  padding-bottom: 2px;
}
.app__link:hover { color: var(--red-ink); }

.app__media {
  position: relative;
  border-radius: var(--radius-lg);
  aspect-ratio: 5 / 4;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
}
.app__media::before {
  /* isometric dot grid echoes the line-art ground plane */
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background-image: radial-gradient(currentColor 1px, transparent 1.2px);
  background-size: 18px 18px;
  opacity: .14;
}
.phones { display: flex; align-items: center; justify-content: center; gap: 4%; width: 100%; height: 100%; padding: 6% 6%; }
.phone {
  width: 38%;
  max-width: 250px;
  padding: 2.6%;
  border-radius: 15% / 6.6%;
  background: #0b0c0f;
  box-shadow: 0 30px 60px -24px rgba(18,20,25,.5), inset 0 0 0 1.5px #2b2e35;
}
.phone img { width: 100%; border-radius: 12.5% / 5.4%; }
.phones .phone:nth-child(2) { transform: translateY(8%); }
.phones .phone:nth-child(1):last-child { width: 46%; transform: none; }
.app__media img.full { width: 100%; height: 100%; object-fit: cover; }

.tint-kid { background: #fff4d9; color: #b47b00; }
.tint-padel { background: #e3f4ec; color: #0d6b45; }
.tint-goodiny { background: #e9f1ff; color: #2050c8; }
.tint-loan { background: #ece9ff; color: #5b3df5; }
.tint-invoice { background: #e8f1ec; color: #1f6b4f; }

/* Web screenshot with a phone in front of it */
.combo { position: relative; width: 100%; height: 100%; }
.combo__web {
  position: absolute;
  left: 6%; top: 9%;
  width: 78%;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 30px 60px -30px rgba(18,20,25,.45), 0 0 0 1px rgba(18,20,25,.08);
}
.combo__web img { width: 100%; }
.combo .combo__phone {
  position: absolute;
  right: 6%; bottom: 7%;
  width: 30%;
}

/* Products / SaaS */

.prod {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  grid-column: span 4;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: #c4c8cf; }
.card--wide { grid-column: span 8; }
.card--feature {
  grid-column: span 12;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(24px, 4vw, 56px);
  padding: clamp(28px, 4vw, 48px);
  align-items: center;
}
.card p { color: var(--graphite); font-size: 16px; }
.card .label { color: var(--red-ink); }
.card__shot {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--rule);
  box-shadow: 0 30px 60px -36px rgba(18,20,25,.4);
}
.card__shot img { width: 100%; }
.card__links { margin-top: 8px; display: flex; gap: 18px; flex-wrap: wrap; }

/* Blockchain (night) */

.chain {
  background: var(--night);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.chain .label { color: #9aa0ab; }
.chain .lede { color: var(--night-text); }
.chain__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.chain__art { margin-right: calc(var(--gutter) * -1); }
.chain__pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--night-rule);
  border: 1px solid var(--night-rule);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: clamp(40px, 5vw, 64px);
}
.pillar { background: var(--night-2); padding: 30px 28px; display: grid; gap: 12px; align-content: start; }
.pillar p { color: var(--night-text); font-size: 15.5px; }
.ledger__label { margin-top: clamp(48px, 6vw, 80px); }
.ledger {
  margin-top: 18px;
  border-top: 1px solid var(--night-rule);
}
.ledger li {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 20px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--night-rule);
}
.ledger__hash { font-family: var(--f-mono); font-size: 12.5px; color: var(--red); }
.ledger__name { font-size: 17px; }

/* Process */

.steps {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  counter-reset: step;
  border-top: 1.5px solid var(--ink);
}
.step {
  position: relative;
  padding: 26px 18px 0 0;
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--red);
  display: block;
  margin-bottom: 16px;
}
.step::after {
  content: "";
  position: absolute; top: -5px; left: 0;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--paper);
  border: 1.5px solid var(--ink);
}
.step h3 { font-family: var(--f-display); font-weight: 600; font-size: 18px; letter-spacing: -0.02em; margin-bottom: 10px; }
.step p { font-size: 15px; color: var(--graphite); }

/* Industries */

.chips { display: flex; flex-wrap: wrap; gap: 8px; align-self: end; }
.chips li {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--rule);
  font-size: 15px;
}

/* Stack */

.stackx {
  background: var(--night);
  color: #fff;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.stackx::before {
  /* engineering grid */
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.4) 100%);
}
.stackx .label { color: #9aa0ab; }
.stackx .h2 { color: #fff; }
.stackx .lede { color: var(--night-text); }
.layers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--night-rule);
  border: 1px solid var(--night-rule);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.layer {
  background: color-mix(in srgb, var(--night-2) 92%, transparent);
  padding: 30px 28px 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background-color .25s;
}
.layer:hover { background: #1b1f26; }
.layer__t {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.layer__t::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--red);
  transform: rotate(45deg);
  flex: none;
}
.layer__d { color: #aeb3bc; font-size: 15px; line-height: 1.5; }
.tech { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 8px; }
.tech li {
  font-family: var(--f-mono);
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid #323743;
  background: #12151a;
  color: #dfe1e6;
  transition: border-color .2s, color .2s;
}
.layer:hover .tech li { border-color: #454b58; }
.tech li:hover { border-color: var(--red) !important; color: #fff; }

/* Team */

.team {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 16px;
}
.person {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 44px);
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}
.person__ph {
  width: 112px; height: 112px; border-radius: 50%;
  object-fit: cover; background: var(--paper);
  filter: grayscale(1) contrast(1.05);
}
.person__role { color: var(--red-ink); font-weight: 600; font-size: 15px; margin-top: 4px; }
.person p { margin-top: 14px; color: var(--graphite); font-size: 16px; }
.mix {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 44px);
  display: grid;
  gap: 22px;
  align-content: start;
}
.mix .label { color: #9aa0ab; }
.bar { display: flex; height: 12px; border-radius: 999px; overflow: hidden; gap: 3px; }
.bar span:nth-child(1) { background: var(--red); flex: 60; }
.bar span:nth-child(2) { background: #e9eaee; flex: 25; }
.bar span:nth-child(3) { background: #5a606b; flex: 15; }
.mix__legend { display: grid; gap: 10px; font-size: 15px; color: var(--night-text); }
.mix__legend li { display: flex; align-items: center; gap: 10px; }
.mix__legend b { color: #fff; font-family: var(--f-mono); font-weight: 600; min-width: 44px; }
.mix__legend i { width: 10px; height: 10px; border-radius: 3px; flex: none; }

/* Contact */

.contact {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(32px, 5vw, 64px);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  position: relative;
  overflow: hidden;
}
.contact .h2 { color: #fff; }
.contact .lede { color: var(--night-text); margin-top: 18px; }
.contact__direct { margin-top: 32px; display: grid; gap: 14px; }
.contact__direct a {
  display: inline-flex; align-items: center; gap: 12px;
  text-decoration: none; font-size: 17px; font-weight: 500;
}
.contact__direct a:hover { color: #ff7a7f; }
.contact__direct svg { width: 20px; height: 20px; color: var(--red); flex: none; }
.contact__addr { margin-top: 28px; font-size: 14.5px; color: #9aa0ab; max-width: 40ch; }

.form { display: grid; gap: 14px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 13.5px; color: #b9bdc5; font-weight: 500; }
.field input, .field textarea, .field select {
  width: 100%;
  background: var(--night-2);
  border: 1px solid #343944;
  border-radius: 12px;
  padding: 14px 16px;
  color: #fff;
  font-size: 16px;
  transition: border-color .15s;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #6c727e; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--red); }
.field input:user-invalid, .field textarea:user-invalid { border-color: #ff7a7f; }
.topics { display: flex; flex-wrap: wrap; gap: 8px; border: 0; padding: 0; margin: 0; }
.topics legend { font-size: 13.5px; color: #b9bdc5; font-weight: 500; margin-bottom: 8px; padding: 0; }
.topics label { position: relative; }
.topics input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.topics span {
  display: inline-block;
  padding: 9px 14px;
  border: 1px solid #343944;
  border-radius: 999px;
  font-size: 14px;
  color: #d8dadf;
  transition: background .15s, border-color .15s, color .15s;
}
.topics input:checked + span { background: var(--red); border-color: var(--red); color: #fff; }
.topics input:focus-visible + span { outline: 2px solid #fff; outline-offset: 2px; }
.form__note { font-size: 12.5px; color: #8b919c; }
.form__note a { color: #c9ccd3; }
.form__status { font-size: 15px; min-height: 1.5em; }
.form__status.ok { color: #6be29b; }
.form__status.err { color: #ff8a8e; }

/* Additions */

.label--rule { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.label--rule::before { content: ""; width: 22px; height: 1.5px; background: var(--red); }
.sec--tight { padding-top: calc(var(--section-y) * .6); }
.chain .h2 { color: #fff; }
.chain .lede { margin-top: 22px; }
.btn--line { border-color: #4a4f59; color: #fff; }
.btn--line:hover { border-color: #fff; }

.app__icon--txt {
  display: inline-grid;
  place-items: center;
  background: var(--c);
  color: #fff;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.03em;
}
.app__note { margin-top: 18px; font-size: 13px; color: var(--mute); }

.more {
  margin-top: clamp(32px, 4vw, 56px);
  padding-top: 28px;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 16px 24px;
}
.more__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px 28px; }
.more__list li { font-size: 15px; color: var(--graphite); }
.more__list b { display: block; color: var(--ink); font-weight: 600; }

.card__title { margin: 4px 0 4px; font-size: clamp(22px, 2.4vw, 32px); }
.card .h3 { margin-bottom: 2px; }
.card .app__stack, .card .app__link { margin-top: auto; padding-top: 6px; align-self: flex-start; }
.roles { margin-top: 8px; }

.clients-wrap { margin-top: clamp(48px, 6vw, 88px); }
.clients {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.clients li {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 104px;
  padding: 0 18px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.clients img {
  height: var(--h, 32px);
  width: auto;
  max-width: 100%;
  object-fit: contain;
  filter: grayscale(1) contrast(1.15);
  opacity: .6;
  mix-blend-mode: multiply;
  transition: opacity .2s;
}
.clients img.is-light { filter: grayscale(1) brightness(.5) contrast(1.6); }
.clients img.is-solid { filter: brightness(0); opacity: .5; }
.clients li:hover img { opacity: 1; }
.clients__word span { font-weight: 700; font-size: 16px; color: #6f747d; letter-spacing: -0.01em; white-space: nowrap; }

.mix__note { font-size: 15px; color: var(--night-text); border-top: 1px solid #2c3038; padding-top: 18px; }

/* Footer */

.foot { padding: 56px 0 40px; font-size: 14px; color: var(--graphite); }
.foot__in {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(0, 1fr));
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--rule);
}
.foot .logo svg { height: 24px; }
.foot__legal { display: grid; gap: 4px; margin-top: 16px; font-size: 13px; }
.foot h4 { font-family: var(--f-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; font-weight: 600; color: var(--ink); margin-bottom: 12px; }
.foot ul { display: grid; gap: 8px; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--ink); }
.foot__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 24px; font-size: 13px; }

/* Reveal */

.js .rv { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.js .rv.in { opacity: 1; transform: none; }

/* Hero line-art "draws in" left-to-right */
.js .hero__art img { clip-path: inset(0 100% 0 0); transition: clip-path 1.6s cubic-bezier(.6,.05,.2,1) .2s; }
.js .hero__art.in img { clip-path: inset(0 0 0 0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .rv, .js .hero__art img { opacity: 1; transform: none; clip-path: none; transition: none; }
}

/* Responsive */

@media (max-width: 1080px) {
  .nav { gap: 18px; }
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 36px; border-top: 0; }
  .step { border-top: 1.5px solid var(--ink); }
  .svc { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card { grid-column: span 6; }
  .layers { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .clients { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .more__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card--wide { grid-column: span 12; }
}

@media (max-width: 900px) {
  .nav, .top__tools .btn { display: none; }
  .burger { display: inline-flex; }
  .top__tools { margin-left: auto; }
  .top.is-open .nav {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    padding: 8px var(--gutter) 20px;
  }
  .top.is-open .nav a { padding: 14px 0; font-size: 18px; color: var(--ink); border-bottom: 1px solid var(--rule); }

  .hero__grid, .chain__grid, .team, .contact, .app, .card--feature { grid-template-columns: minmax(0, 1fr); }
  .hero__art { margin: 8px 0 0; }
  .chain__art { margin: 0; max-width: 560px; }
  .app:nth-of-type(even) .app__media { order: 0; }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact:nth-child(2) { border-right: 0; }
  .fact:nth-child(3) { padding-left: 0; }
  .fact:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .sec__head { grid-template-columns: minmax(0, 1fr); }
  .chain__pillars { grid-template-columns: minmax(0, 1fr); }
  .foot__in { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .foot__in > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .svc { grid-template-columns: minmax(0, 1fr); }
  .svc__item { min-height: 0; }
  .card, .card--wide { grid-column: span 12; }
  .steps { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .form__row { grid-template-columns: minmax(0, 1fr); }
  .ledger li { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .more { grid-template-columns: minmax(0, 1fr); }
  .layers { grid-template-columns: minmax(0, 1fr); }
  .layer { padding: 26px 22px; }
  .clients { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .clients li { height: 88px; }
  .more__list { grid-template-columns: minmax(0, 1fr); }
  .person { grid-template-columns: minmax(0, 1fr); }
  .app__media { aspect-ratio: 4 / 4.2; }
  .phone { width: 44%; }
  .say { border-radius: 16px; font-size: 13px; }
  .hero__cta .btn { flex: 1 1 auto; }
  .top__in { gap: 12px; }
}