:root {
  --void: #0b0d0c;
  --panel: #121512;
  --lime: #d6ff3f;
  --lime-dim: #b4d62a;
  --fog: #e7eadf;
  --mute: #9aa394;
  --line: #2a3128;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--void);
  color: var(--fog);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 17px;
  line-height: 1.65;
}
img { width: 100%; display: block; object-fit: cover; }
a { color: var(--lime); text-decoration: none; }
h1, h2, h3, .logo {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.head {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 28px;
  background: rgba(11, 13, 12, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.logo { display: flex; align-items: center; gap: 8px; color: var(--fog); font-size: 22px; }
.logo i {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  background: var(--lime);
  color: var(--void);
  font-style: normal;
  font-size: 16px;
  font-weight: 700;
}
.logo i + i { background: transparent; color: var(--lime); border: 1px solid var(--lime); }
.logo span { font-size: 14px; color: var(--mute); letter-spacing: 0.08em; text-transform: uppercase; font-weight: 500; }
nav { display: flex; flex-wrap: wrap; gap: 14px; }
nav a { color: var(--fog); font-size: 14px; }
nav a:hover { color: var(--lime); }
.mail { margin-left: auto; font-size: 13px; }
.menu {
  display: none;
  background: var(--lime);
  color: var(--void);
  border: 0;
  padding: 8px 12px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.hero { padding: 28px 28px 0; position: relative; overflow: hidden; }
.yg {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(120px, 28vw, 340px);
  line-height: 0.8;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px var(--line);
  pointer-events: none;
}
.yg span:last-child { text-align: right; -webkit-text-stroke-color: rgba(214, 255, 63, 0.35); }
.hero-copy {
  position: relative;
  margin-top: -8vw;
  max-width: 720px;
  z-index: 1;
}
.kicker {
  color: var(--lime);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 600;
}
h1 { font-size: clamp(40px, 6vw, 72px); margin: 12px 0 16px; }
.lede { color: var(--mute); max-width: 52ch; }
.hero-cta { display: flex; gap: 10px; margin: 28px 0 36px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 18px;
  font: inherit;
  font-weight: 600;
  border: 1px solid var(--lime);
  cursor: pointer;
}
.btn.lime { background: var(--lime); color: var(--void); }
.btn.ghost { background: transparent; color: var(--lime); }
.hero-facts {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}
.hero-facts li { padding: 18px 0; border-right: 1px solid var(--line); }
.hero-facts li:last-child { border-right: 0; }
.hero-facts b { display: block; font-family: "Space Grotesk", sans-serif; font-size: 22px; color: var(--lime); }
.hero-facts span { color: var(--mute); font-size: 13px; }

section { padding: 80px 28px; border-top: 1px solid var(--line); }
h2 { font-size: clamp(32px, 4.5vw, 52px); margin: 10px 0 28px; max-width: 20ch; }
.cols, .desk-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 32px; }
.cols p { margin-bottom: 14px; color: var(--mute); }
aside, form {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 24px;
}
aside h3 { margin-bottom: 10px; }
aside ul, .channel ul, .desk ul { margin-top: 12px; padding-left: 18px; color: var(--mute); }

.switch, .range-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}
.switch button, .range-tabs button, #ygFaq button {
  background: transparent;
  color: var(--fog);
  border: 1px solid var(--line);
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
}
.switch button.on, .range-tabs button.on {
  background: var(--lime);
  color: var(--void);
  border-color: var(--lime);
}

.channel { display: none; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.channel.show { display: grid; }
.channel img { min-height: 340px; border: 1px solid var(--line); }
.channel h3 { font-size: 32px; margin-bottom: 12px; }

.range-grid, .case-grid, .log-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.range-grid article, .case-grid article, .log-grid article {
  background: var(--panel);
  border: 1px solid var(--line);
}
.range-grid img { height: 160px; }
.range-grid h3, .range-grid p,
.case-grid h3, .case-grid p,
.log-grid h3, .log-grid p { padding: 0 14px; }
.range-grid h3, .case-grid h3, .log-grid h3 { margin: 12px 0 8px; font-size: 22px; }
.range-grid p, .case-grid p, .log-grid p { padding-bottom: 16px; color: var(--mute); font-size: 15px; }
.range-grid article.is-off { display: none; }
.case-grid { grid-template-columns: repeat(3, 1fr); }
.case-grid article, .log-grid article { padding-top: 8px; }
.log-grid { grid-template-columns: repeat(3, 1fr); }
.log-grid time {
  display: block;
  padding: 14px 14px 0;
  color: var(--lime);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: op; }
.steps li {
  border-top: 2px solid var(--lime);
  padding-top: 14px;
}
.steps li::before {
  counter-increment: op;
  content: "0" counter(op);
  color: var(--lime);
  font-family: "Space Grotesk", sans-serif;
  display: block;
  margin-bottom: 6px;
}
.steps h3 { font-size: 22px; margin-bottom: 8px; }

#ygFaq { max-width: 800px; }
#ygFaq article { border-bottom: 1px solid var(--line); }
#ygFaq button {
  width: 100%;
  text-align: left;
  border: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 24px;
  padding: 16px 0;
}
#ygFaq p { display: none; color: var(--mute); padding-bottom: 14px; }
#ygFaq article.open p { display: block; }

.desk { background: #0f110f; }
address { font-style: normal; margin: 16px 0; }
form { display: grid; gap: 12px; }
label { display: grid; gap: 6px; font-size: 13px; color: var(--mute); }
input, select, textarea {
  background: var(--void);
  border: 1px solid var(--line);
  color: var(--fog);
  padding: 11px;
  font: inherit;
}
.fine, .status { font-size: 14px; color: var(--mute); }
.status.ok { color: var(--lime); }

footer {
  padding: 36px 28px 48px;
  border-top: 1px solid var(--line);
  text-align: center;
  color: var(--mute);
}
footer .logo { justify-content: center; margin-bottom: 10px; font-size: 28px; }
.tiny { margin-top: 12px; font-size: 12px; }

@media (max-width: 980px) {
  .yg { font-size: 28vw; }
  .hero-copy { margin-top: 8px; }
  .hero-facts, .cols, .channel, .range-grid, .steps, .case-grid, .log-grid, .desk-grid {
    grid-template-columns: 1fr;
  }
  .hero-facts li { border-right: 0; border-bottom: 1px solid var(--line); }
  nav, .mail { display: none; }
  nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--void);
    padding: 16px 20px 24px;
    border-bottom: 1px solid var(--line);
  }
  .menu { display: inline-flex; margin-left: auto; }
  .head, .hero, section, footer { padding-left: 16px; padding-right: 16px; }
}