:root {
  --void: #101012;
  --panel: #18181c;
  --panel-2: #202026;
  --line: #32323a;
  --ink: #f2f2f4;
  --mute: #a7a7b0;
  --red: #e10600;
  --red-deep: #9a0c09;
  --bar: 76px;
  --sans: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --cond: Bahnschrift, "Arial Narrow", "Segoe UI", sans-serif;
  --rail: min(1080px, calc(100% - 40px));
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--bar) + 18px);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 420px at 90% -10%, rgba(225, 6, 0, 0.16), transparent 55%),
    linear-gradient(180deg, #16161a 0, var(--void) 280px);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

img {
  display: block;
  border: 0;
}

a {
  color: inherit;
}

.jump {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--red);
  color: #fff;
  padding: 8px 12px;
  z-index: 20;
}

.jump:focus {
  top: 8px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  height: var(--bar);
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 0 22px;
  background: rgba(16, 16, 18, 0.92);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.topbar::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red) 0 120px, transparent 120px);
}

.brandlock {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: 168px;
  height: 44px;
}

.brandlock img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  box-shadow: 0 0 0 1px rgba(225, 6, 0, 0.55), 0 8px 18px rgba(0, 0, 0, 0.4);
}

.brandlock span {
  font-family: var(--cond);
  font-size: 22px;
  letter-spacing: 0.08em;
  text-transform: lowercase;
}

.sectionlinks {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

.sectionlinks a {
  text-decoration: none;
  color: var(--mute);
  font-size: 14px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border-bottom: 2px solid transparent;
}

.sectionlinks a:hover,
.sectionlinks a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--red);
}

.menubtn {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  border-radius: 8px;
}

.vh {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.cta {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 248px;
  height: 52px;
  background: var(--red);
  color: #fff;
  text-decoration: none;
  font-weight: 650;
  letter-spacing: 0.01em;
  border-radius: 6px;
  box-shadow: 0 14px 28px rgba(225, 6, 0, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.22);
  isolation: isolate;
}

.cta-slim {
  width: 156px;
  height: 44px;
  flex: 0 0 156px;
}

.cta span {
  position: relative;
  z-index: 1;
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: #fff;
  transform: translateX(-102%);
  transition: transform 0.38s cubic-bezier(0.2, 0.7, 0.2, 1);
  z-index: 0;
}

.cta:hover,
.cta:focus-visible {
  color: #141416;
}

.cta:hover::before,
.cta:focus-visible::before {
  transform: translateX(0);
}

.cta:focus-visible,
.menubtn:focus-visible,
.sectionlinks a:focus-visible,
.foot a:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

.entry {
  padding: 54px 0 28px;
}

.entrygrid {
  width: var(--rail);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 48px;
  align-items: start;
}

.dateline {
  margin: 0 0 10px;
  color: var(--red);
  font-family: var(--cond);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 13px;
}

h1,
h2,
h3 {
  font-family: var(--cond);
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h1 {
  margin: 0 0 16px;
  font-size: 58px;
}

h2 {
  margin: 0 0 14px;
  font-size: 34px;
}

h3 {
  margin: 0 0 8px;
  font-size: 22px;
}

.brief {
  margin: 0 0 12px;
  color: #dddde2;
}

.cut {
  margin: 0 0 14px;
  font-family: var(--cond);
  font-size: 20px;
  color: #fff;
}

.ticks {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.ticks li {
  position: relative;
  padding: 6px 0 6px 22px;
}

.ticks li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  position: absolute;
  left: 0;
  top: 13px;
  box-shadow: 0 0 0 4px rgba(225, 6, 0, 0.15);
}

.slip {
  width: 320px;
  height: 380px;
  background:
    radial-gradient(circle at 0 92px, transparent 8px, var(--panel) 9px) left / 16px 100% repeat-y,
    var(--panel);
  border: 1px solid #3a2022;
  border-radius: 18px;
  padding: 28px 28px 24px 34px;
  box-shadow: 0 28px 50px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(225, 6, 0, 0.28);
}

.slip img {
  width: 72px;
  height: 72px;
  border-radius: 16px;
}

.slip-label {
  margin: 16px 0 8px;
  font-family: var(--cond);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  font-size: 13px;
}

.slip ol {
  margin: 0 0 12px;
  padding-left: 18px;
}

.slip p:last-child {
  margin: 0;
  color: var(--mute);
  font-size: 15px;
}

.chapter {
  padding: 42px 0;
  border-top: 1px solid var(--line);
}

.chapter-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 120px);
}

.chaptergrid {
  width: var(--rail);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 28px;
}

.sidenote {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 6px;
}

.num {
  font-family: var(--cond);
  font-size: 28px;
  color: var(--red);
}

.tag {
  color: var(--mute);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.prose p {
  margin: 0 0 14px;
}

.sequence {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.sequence li {
  counter-increment: step;
  position: relative;
  padding: 12px 0 12px 54px;
  border-top: 1px solid var(--line);
  min-height: 52px;
}

.sequence li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 12px;
  width: 38px;
  height: 28px;
  color: #fff;
  background: var(--red-deep);
  border-radius: 4px;
  font-family: var(--cond);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 16px rgba(154, 12, 9, 0.35);
}

.device {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  padding: 8px 0 4px;
  border-top: 1px solid var(--line);
}

.device svg {
  width: 48px;
  height: 48px;
  margin-top: 4px;
  color: var(--red);
}

.meter {
  margin: 0 0 16px;
}

.meter div {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.meter dt {
  color: var(--red);
  font-family: var(--cond);
  letter-spacing: 0.04em;
}

.meter dd {
  margin: 0;
}

.qa article {
  margin: 0 0 12px;
  padding: 14px 16px 6px 18px;
  background: linear-gradient(90deg, rgba(225, 6, 0, 0.12), transparent 72%);
  border-left: 3px solid var(--red);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.caution {
  background: #140c0c;
}

.foot {
  border-top: 3px solid var(--red);
  background: #0c0c0e;
  padding: 36px 0 48px;
}

.footgrid {
  width: var(--rail);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 36px;
}

.word {
  margin: 0 0 8px;
  font-family: var(--cond);
  font-size: 28px;
  letter-spacing: 0.08em;
}

.footlinks {
  list-style: none;
  margin: 16px 0;
  padding: 0;
}

.footlinks a {
  color: var(--mute);
  text-decoration: none;
  display: inline-block;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}

.footlinks a:hover,
.footlinks a:focus-visible {
  color: #fff;
  border-bottom-color: var(--red);
}

.stamp {
  color: var(--mute);
  font-size: 14px;
}

.fineprint {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.fineprint h3 {
  font-size: 18px;
}

@media (max-width: 900px) {
  .menubtn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .sectionlinks {
    display: none;
    position: absolute;
    top: var(--bar);
    left: 0;
    right: 0;
    margin: 0;
    flex-direction: column;
    background: #121214;
    border-bottom: 2px solid var(--red);
    padding: 8px 16px 14px;
    box-shadow: 0 18px 30px rgba(0, 0, 0, 0.4);
  }

  .sectionlinks.is-open {
    display: flex;
  }

  .sectionlinks a {
    height: 42px;
  }

  .entrygrid,
  .chaptergrid,
  .footgrid,
  .fineprint,
  .meter div {
    grid-template-columns: 1fr;
  }

  .slip {
    width: 100%;
    max-width: 320px;
    height: auto;
    min-height: 380px;
  }

  h1 {
    font-size: 40px;
  }

  .sidenote {
    flex-direction: row;
    align-items: baseline;
    gap: 12px;
  }
}

@media (max-width: 640px) {
  :root {
    --rail: calc(100% - 28px);
  }

  .topbar {
    padding: 0 14px;
    gap: 10px;
  }

  .brandlock {
    min-width: 0;
    gap: 8px;
  }

  .brandlock span {
    font-size: 18px;
  }

  .cta-slim {
    width: 112px;
    flex-basis: 112px;
    font-size: 14px;
  }

  .cta {
    width: 100%;
    max-width: 248px;
  }
}