:root {
  color-scheme: light;
  --paper: #f2efe6;
  --paper-bright: #fbf9f2;
  --ink: #161713;
  --muted: #5c5d54;
  --line: #b9b8aa;
  --line-dark: #383b34;
  --panel: #1c1f1a;
  --panel-ink: #f3f1e8;
  --panel-muted: #adb2a5;
  --proof: #c9f45a;
  --proof-dark: #202817;
  --warning: #e3a448;
  --display: Georgia, "Times New Roman", serif;
  --body: "Avenir Next", "Helvetica Neue", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --shadow: 0 24px 70px rgba(31, 32, 27, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 13% 9%, rgba(255, 255, 255, 0.9), transparent 24rem),
    linear-gradient(rgba(22, 23, 19, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: auto, 100% 32px, auto;
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0 auto 0 clamp(18px, 4vw, 64px);
  z-index: -1;
  width: 1px;
  background: rgba(181, 68, 46, 0.26);
  content: "";
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-thickness: 2px;
}

code,
pre,
.label,
.nav-link,
.button,
.step-number,
.terminal-line,
.update,
.table-label {
  font-family: var(--mono);
}

code {
  border-radius: 3px;
  background: rgba(22, 23, 19, 0.08);
  padding: 0.08em 0.28em;
  font-size: 0.9em;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 20;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  transform: translateY(-160%);
  border: 2px solid var(--ink);
  background: var(--proof);
  padding: 0 16px;
  font: 700 0.85rem var(--mono);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
  box-shadow: 0 0 0 6px var(--proof);
}

.site-shell {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.site-nav {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  font: 700 1rem var(--mono);
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand::before {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--proof);
  box-shadow: 0 0 0 4px var(--ink);
  content: "";
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

.nav-link,
.button,
.evidence-link,
.footer-link {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.nav-link {
  padding: 0 12px;
  color: var(--muted);
  font-size: 0.75rem;
  text-decoration: none;
}

.nav-link:hover {
  color: var(--ink);
  text-decoration: underline;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: clamp(36px, 7vw, 104px);
  padding: clamp(72px, 10vw, 132px) 0 94px;
}

.hero-copy {
  position: relative;
}

.label {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.label::before {
  content: "[ ";
}

.label::after {
  content: " ]";
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: var(--display);
  font-weight: 400;
}

h1 {
  max-width: 12ch;
  margin-bottom: 30px;
  font-size: clamp(3.6rem, 8.3vw, 7.4rem);
  line-height: 0.88;
  letter-spacing: -0.065em;
}

h1 em {
  display: block;
  color: var(--proof-dark);
  font-weight: 400;
  text-decoration: underline;
  text-decoration-color: var(--proof);
  text-decoration-thickness: 0.17em;
  text-underline-offset: -0.04em;
}

.hero-lead {
  max-width: 41rem;
  margin-bottom: 32px;
  color: #33352f;
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  line-height: 1.55;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  border: 1px solid var(--ink);
  padding: 10px 18px;
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
}

.button-primary {
  background: var(--ink);
  color: var(--paper-bright);
}

.button-primary:hover {
  background: var(--proof);
  color: var(--proof-dark);
}

.button-secondary:hover {
  background: var(--paper-bright);
}

.hero-note {
  align-self: end;
  margin-bottom: -28px;
}

.terminal-card {
  position: relative;
  transform: rotate(1.4deg);
  border: 1px solid #050604;
  background: var(--panel);
  box-shadow: var(--shadow);
  color: var(--panel-ink);
}

.terminal-card::before {
  position: absolute;
  top: -18px;
  left: 22px;
  width: 78px;
  height: 34px;
  transform: rotate(-4deg);
  background: rgba(214, 207, 181, 0.72);
  content: "";
}

.terminal-head {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-dark);
  padding: 0 18px;
  color: var(--panel-muted);
  font: 0.68rem var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.terminal-lights {
  display: flex;
  gap: 6px;
}

.terminal-lights i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #676c61;
}

.terminal-body {
  padding: 28px 24px 30px;
}

.terminal-line {
  min-height: 1.75rem;
  color: var(--panel-muted);
  font-size: clamp(0.72rem, 1.2vw, 0.84rem);
}

.terminal-line strong {
  color: var(--proof);
  font-weight: 600;
}

.terminal-line .prompt {
  color: var(--proof);
}

.proof-stamp {
  width: fit-content;
  margin: 22px 0 0 auto;
  transform: rotate(-2deg);
  border: 2px solid var(--proof);
  padding: 7px 10px;
  color: var(--proof);
  font: 700 0.68rem var(--mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.update {
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.72rem;
}

.section {
  display: grid;
  grid-template-columns: minmax(150px, 0.34fr) minmax(0, 1fr);
  gap: clamp(28px, 7vw, 100px);
  border-top: 1px solid var(--line);
  padding: clamp(66px, 9vw, 112px) 0;
}

.hero > *,
.section > * {
  min-width: 0;
}

.section-rail {
  position: relative;
}

.section-index {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font: 0.72rem var(--mono);
}

.section h2 {
  max-width: 12ch;
  margin-bottom: 24px;
  font-size: clamp(2.25rem, 5vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.section-intro {
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.04rem;
}

.use-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.use-card {
  min-height: 190px;
  background: var(--paper-bright);
  padding: 28px;
}

.use-card:nth-child(2) {
  transform: translateY(18px);
}

.use-card:nth-child(3) {
  transform: translateX(-12px);
}

.use-card h3,
.workflow-step h3,
.install-card h3,
.security-card h3,
.faq-item h3 {
  font: 700 0.88rem var(--mono);
}

.use-card p,
.workflow-step p,
.install-card p,
.security-card p,
.faq-item p {
  margin-bottom: 0;
  color: var(--muted);
}

.workflow-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: workflow;
}

.workflow-step {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 22px;
  border-top: 1px solid var(--line);
  padding: 26px 0;
  counter-increment: workflow;
}

.workflow-step:last-child {
  border-bottom: 1px solid var(--line);
}

.step-number::before {
  color: var(--muted);
  content: "0" counter(workflow);
}

.workflow-step:nth-child(even) .step-copy {
  margin-left: clamp(0px, 7vw, 82px);
}

.evidence-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid #090a08;
  background: var(--panel);
  color: var(--panel-ink);
  box-shadow: var(--shadow);
}

.evidence-panel::after {
  position: absolute;
  right: -100px;
  bottom: -140px;
  width: 300px;
  height: 300px;
  border: 52px solid rgba(201, 244, 90, 0.08);
  border-radius: 50%;
  content: "";
}

.evidence-image {
  display: block;
  width: 100%;
  background: #111;
  border-bottom: 1px solid var(--line-dark);
  filter: saturate(0.78) contrast(1.04);
}

.evidence-copy {
  position: relative;
  z-index: 1;
  padding: clamp(26px, 5vw, 48px);
}

.evidence-copy h3 {
  max-width: 24ch;
  font: 400 clamp(1.7rem, 4vw, 3.4rem)/1.08 var(--display);
}

.evidence-copy p {
  max-width: 48rem;
  color: var(--panel-muted);
}

.evidence-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.evidence-link {
  justify-content: space-between;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  padding: 12px 14px;
  color: var(--panel-ink);
  font: 0.73rem var(--mono);
  text-decoration: none;
}

.evidence-link::after {
  color: var(--proof);
  content: "↗";
}

.evidence-link:hover {
  background: var(--proof);
  color: var(--proof-dark);
}

.evidence-link:hover::after {
  color: var(--proof-dark);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--paper-bright);
}

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
  padding: 18px;
  text-align: left;
  vertical-align: top;
}

th:first-child,
td:first-child {
  border-left: 0;
}

th {
  background: var(--ink);
  color: var(--paper-bright);
  font: 700 0.72rem var(--mono);
}

td:first-child {
  font-weight: 700;
}

.install-grid,
.security-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.install-card,
.security-card {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--paper-bright);
  padding: 26px;
}

.command {
  overflow-x: auto;
  margin: 18px 0 0;
  border-left: 6px solid var(--proof);
  background: var(--panel);
  padding: 18px;
  color: var(--panel-ink);
  font: 0.78rem/1.6 var(--mono);
  white-space: nowrap;
}

.security-card:first-child {
  grid-row: span 2;
  background: var(--ink);
  color: var(--paper-bright);
}

.security-card:first-child p {
  color: var(--panel-muted);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  display: grid;
  grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1fr);
  gap: 32px;
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--ink);
  color: var(--paper-bright);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  padding: 42px 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.footer-link {
  padding: 0 10px;
  color: var(--panel-muted);
  font: 0.72rem var(--mono);
}

.footer-link:hover {
  color: var(--proof);
}

.footer-note {
  margin: 6px 0 0;
  color: var(--panel-muted);
  font-size: 0.85rem;
}

@media (max-width: 860px) {
  .site-shell {
    width: min(100% - 32px, 720px);
  }

  .site-nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 20px 0;
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
  }

  .hero,
  .section {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    padding-top: 70px;
  }

  .hero-note {
    width: min(100%, 560px);
    margin: 0 0 0 auto;
  }

  .section h2 {
    max-width: 16ch;
  }
}

@media (max-width: 620px) {
  .site-shell {
    width: min(100% - 24px, 560px);
  }

  h1 {
    font-size: clamp(3.2rem, 17vw, 5.2rem);
  }

  .nav-link {
    padding: 0 9px;
  }

  .use-grid,
  .install-grid,
  .security-grid,
  .evidence-links,
  .faq-item {
    grid-template-columns: 1fr;
  }

  .use-card:nth-child(2),
  .use-card:nth-child(3) {
    transform: none;
  }

  .workflow-step:nth-child(even) .step-copy {
    margin-left: 0;
  }

  .security-card:first-child {
    grid-row: auto;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}