:root {
  --ink: #0a0e0c;
  --ink-2: #121816;
  --panel: #171d1a;
  --line: #2a3430;
  --fog: #9aab9f;
  --paper: #e7ebe4;
  --lacquer: #d62828;
  --lacquer-deep: #9e1a1a;
  --jade: #6f9b7a;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "Be Vietnam Pro", "Segoe UI", sans-serif;
  --max: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  font-weight: 400;
  color: var(--paper);
  background: var(--ink);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

code,
.mono {
  font-family: var(--mono);
}

.wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* ---- nav ---- */
.nav {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 2.5rem, var(--max));
  margin: 1.1rem auto 0;
}

.nav-brand {
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.nav-brand span {
  color: var(--lacquer);
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.92rem;
}

.nav-links a {
  color: var(--fog);
  transition: color 0.25s var(--ease);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--paper);
}

.nav-cta {
  color: var(--paper) !important;
  border-bottom: 1px solid var(--lacquer);
  padding-bottom: 0.1rem;
}

/* ---- hero ---- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
}

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 55% at 70% 20%, rgba(214, 40, 40, 0.18), transparent 55%),
    radial-gradient(ellipse 50% 40% at 15% 80%, rgba(111, 155, 122, 0.12), transparent 50%),
    linear-gradient(160deg, #0a0e0c 0%, #101612 45%, #0a0e0c 100%);
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(231, 235, 228, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(231, 235, 228, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black 30%, transparent 95%);
}

.hero-stream {
  position: absolute;
  inset: 8% 0 auto;
  width: 100%;
  height: 62%;
  overflow: hidden;
  opacity: 0.55;
  pointer-events: none;
}

.hero-stream pre {
  margin: 0;
  padding: 0 6vw;
  font-family: var(--mono);
  font-size: clamp(0.65rem, 1.1vw, 0.85rem);
  line-height: 1.7;
  color: var(--jade);
  white-space: pre;
  animation: drift 48s linear infinite;
}

@keyframes drift {
  from { transform: translateY(0); }
  to { transform: translateY(-40%); }
}

.hero-content {
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto 12vh;
  padding-top: 28vh;
}

.brand {
  margin: 0;
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(3.6rem, 14vw, 9.5rem);
  letter-spacing: -0.04em;
  line-height: 0.9;
  text-transform: uppercase;
}

.brand em {
  font-style: normal;
  color: var(--lacquer);
}

.hero-lead {
  margin: 1.4rem 0 0;
  max-width: 28rem;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--fog);
}

.hero-lead strong {
  color: var(--paper);
  font-weight: 500;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.2rem;
  margin-top: 2rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.7rem 1.25rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 500;
  border: 0;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
}

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

.btn-primary {
  background: var(--lacquer);
  color: #fff;
}

.btn-primary:hover {
  background: var(--lacquer-deep);
}

.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding-inline: 0.1rem;
}

.btn-ghost:hover {
  border-color: var(--paper);
}

/* ---- motion reveals ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

.brand[data-reveal] {
  transform: translateY(28px);
}

.brand[data-reveal].is-in {
  transition-duration: 1s;
}

/* ---- sections ---- */
.section {
  padding: 6.5rem 0;
  border-top: 1px solid var(--line);
}

.section-kicker {
  margin: 0 0 0.85rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lacquer);
}

.section-title {
  margin: 0;
  max-width: 18ch;
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section-copy {
  margin: 1rem 0 0;
  max-width: 38rem;
  color: var(--fog);
  font-size: 1.05rem;
}

.split {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 860px) {
  .split {
    grid-template-columns: 1fr 1.1fr;
    align-items: start;
    gap: 4rem;
  }
}

/* ---- proof strip ---- */
.proof {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 2.5rem;
}

@media (min-width: 720px) {
  .proof {
    grid-template-columns: repeat(3, 1fr);
  }
}

.proof article {
  background: var(--ink-2);
  padding: 1.4rem 1.3rem 1.5rem;
}

.proof h3 {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--jade);
}

.proof p {
  margin: 0.7rem 0 0;
  color: var(--fog);
  font-size: 0.95rem;
}

.proof code {
  color: var(--paper);
  font-size: 0.88em;
}

/* ---- terminal panel ---- */
.term {
  background: var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
}

.term-bar {
  display: flex;
  gap: 0.45rem;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line);
}

.term-bar i {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: #3a4540;
}

.term-bar span {
  margin-left: 0.55rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--fog);
}

.term pre {
  margin: 0;
  padding: 1.2rem 1.15rem 1.4rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.65;
  color: #c5d2c8;
}

.term .c-cmd { color: var(--jade); }
.term .c-out { color: var(--fog); }
.term .c-ok { color: #b7d4a8; }
.term .c-red { color: #ff8d8d; }

/* ---- command table ---- */
.cmd-list {
  margin: 2rem 0 0;
  border-top: 1px solid var(--line);
}

.cmd-row {
  display: grid;
  gap: 0.35rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 760px) {
  .cmd-row {
    grid-template-columns: minmax(16rem, 0.9fr) 1.2fr;
    gap: 1.5rem;
    align-items: baseline;
  }
}

.cmd-row code {
  font-size: 0.88rem;
  color: var(--paper);
}

.cmd-row p {
  margin: 0;
  color: var(--fog);
  font-size: 0.95rem;
}

/* ---- page hero (inner) ---- */
.page-hero {
  padding: 8.5rem 0 3.5rem;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse 60% 80% at 100% 0%, rgba(214, 40, 40, 0.12), transparent 55%),
    var(--ink);
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.page-hero p {
  margin: 1rem 0 0;
  max-width: 36rem;
  color: var(--fog);
  font-size: 1.08rem;
}

/* ---- install steps ---- */
.steps {
  counter-reset: step;
  margin: 2.2rem 0 0;
  display: grid;
  gap: 1.25rem;
}

.step {
  counter-increment: step;
  position: relative;
  padding: 1.35rem 1.25rem 1.35rem 4.2rem;
  background: var(--ink-2);
  border: 1px solid var(--line);
}

.step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 1.1rem;
  top: 1.35rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--lacquer);
}

.step h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.step p {
  margin: 0.45rem 0 0;
  color: var(--fog);
}

.step pre {
  margin: 0.9rem 0 0;
  padding: 0.9rem 1rem;
  background: var(--ink);
  border: 1px solid var(--line);
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: #c5d2c8;
}

/* ---- footer ---- */
.footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.6rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: baseline;
  color: var(--fog);
  font-size: 0.88rem;
}

.footer strong {
  font-family: var(--mono);
  font-weight: 500;
  color: var(--paper);
}

.footer strong span {
  color: var(--lacquer);
}

@media (max-width: 640px) {
  .nav-links {
    gap: 1rem;
    font-size: 0.85rem;
  }

  .hero-content {
    margin-bottom: 8vh;
    padding-top: 24vh;
  }
}