/* nothing - site styles. Monochrome near-black, Satoshi + JetBrains Mono. */

@font-face {
  font-family: "Satoshi";
  src: url("/fonts/Satoshi-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Satoshi";
  src: url("/fonts/Satoshi-500.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Satoshi";
  src: url("/fonts/Satoshi-500i.woff2") format("woff2");
  font-weight: 500; font-style: italic; font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/JetBrainsMono-400.woff2") format("woff2");
  font-weight: 400 500; font-style: normal; font-display: swap;
}

:root {
  --bg: #0b0b0c;
  --bg2: #101012;
  --bg3: #151517;
  --line: rgba(255, 255, 255, 0.09);
  --line-soft: rgba(255, 255, 255, 0.05);
  --txt: #e9e9ec;
  --body: #b6b6bd;
  --muted: #8f8f97;
  --faint: #5f5f66;
  --green: #8fae8a;
  --green-dim: #6d8a69;
  --acc-a: #6f86ff;
  --acc-b: #9a6bff;
  --sans: "Satoshi", -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: clip; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--body);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: rgba(255, 255, 255, 0.85); color: #0b0b0c; }

.skip {
  position: absolute; left: 1rem; top: -3rem; z-index: 120;
  padding: 0.5rem 0.9rem; background: var(--txt); color: var(--bg);
  font: 500 0.85rem var(--sans); text-decoration: none; border-radius: 2px;
  transition: top 120ms ease;
}
.skip:focus-visible { top: 1rem; }

/* grain: SVG turbulence, tiled, fixed */
.grain {
  position: fixed; inset: -50%; z-index: 90; pointer-events: none;
  opacity: 0.055;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- links, buttons ---------------------------------------------- */

a { color: var(--txt); }

.btn {
  display: inline-block;
  padding: 0.72rem 1.35rem;
  font: 500 0.9rem/1 var(--sans);
  letter-spacing: 0.01em;
  color: var(--bg);
  background: var(--txt);
  text-decoration: none;
  border-radius: 3px;
  border: 1px solid var(--txt);
  transition: background-color 140ms ease, color 140ms ease, box-shadow 140ms ease;
}
.btn:hover { background: #fff; border-color: #fff; }
.btn.ghost {
  color: var(--txt);
  background: transparent;
  border-color: var(--line);
}
.btn.ghost:hover { border-color: var(--muted); background: rgba(255, 255, 255, 0.04); }
.btn:focus-visible,
.quiet-link:focus-visible,
.nav a:focus-visible,
.foot a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--acc-a);
  border-radius: 3px;
}

.quiet-link {
  display: inline-block;
  margin-top: 0.5rem;
  font: 500 0.95rem var(--sans);
  color: var(--txt);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: border-color 140ms ease;
}
.quiet-link:hover { border-color: var(--muted); }
.arr { display: inline-block; margin-left: 0.35ch; }

/* ---- layout ------------------------------------------------------ */

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3rem);
}
.wrap.narrow { max-width: 860px; }

section { position: relative; }

.cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}
@media (min-width: 900px) {
  .cols { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); }
}

/* ---- type -------------------------------------------------------- */

.eyebrow {
  margin: 0 0 1.1rem;
  font: 500 0.72rem var(--mono);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

h1, h2 {
  margin: 0 0 1.2rem;
  font-weight: 500;
  color: var(--txt);
  letter-spacing: -0.025em;
  line-height: 1.04;
  text-wrap: balance;
}
h1 { font-size: clamp(2.7rem, 7.5vw, 4.75rem); }
h2 { font-size: clamp(2rem, 4.6vw, 3.1rem); line-height: 1.08; }
h1 em, h2 em { font-style: italic; font-weight: 500; letter-spacing: -0.01em; }

.lede {
  margin: 0;
  max-width: 34rem;
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  color: var(--body);
}
.body { margin: 0 0 1.1rem; max-width: 34rem; }
.body.dim { color: var(--muted); }
.caption {
  margin: 1.2rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
  max-width: 36rem;
}

/* ---- 01 intro overlay -------------------------------------------- */

#intro { display: none; }

html.intro #intro {
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 0.4rem;
  position: fixed; inset: 0; z-index: 100;
  background: var(--bg);
  opacity: 1;
  transition: opacity 380ms ease;
}
html.intro #intro.out { opacity: 0; pointer-events: none; }

.intro-stage { position: relative; display: grid; place-items: center; }
#intro-canvas {
  position: absolute;
  width: min(520px, 86vw);
  height: 260px;
}
.intro-word {
  position: relative;
  font: 500 clamp(2.4rem, 8vw, 3.4rem)/1 var(--sans);
  letter-spacing: -0.03em;
  color: var(--txt);
  animation: intro-word-in 700ms ease both;
}
.intro-line {
  margin: 0.4rem 0 0;
  font: 400 0.8rem var(--mono);
  letter-spacing: 0.14em;
  color: var(--faint);
  animation: intro-word-in 900ms 250ms ease both;
}
@keyframes intro-word-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

/* ---- nav --------------------------------------------------------- */

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 80;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.9rem clamp(1.25rem, 4vw, 2.5rem);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms ease, background-color 200ms ease;
}
.nav.solid {
  background: rgba(11, 11, 12, 0.82);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--line-soft);
}
.nav-word {
  font: 500 1.05rem var(--sans);
  letter-spacing: -0.02em;
  color: var(--txt);
  text-decoration: none;
}
.nav nav { display: flex; gap: 1.6rem; }
.nav-link {
  font: 400 0.875rem var(--sans);
  color: var(--muted);
  text-decoration: none;
  transition: color 140ms ease;
}
.nav-link:hover { color: var(--txt); }

/* ---- 02 hero ----------------------------------------------------- */

.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: clamp(6rem, 14vh, 9rem) 0 clamp(4rem, 9vh, 6rem);
  background:
    radial-gradient(ellipse 55% 42% at 78% 30%, rgba(255, 255, 255, 0.05), transparent 70%),
    var(--bg);
}
.hero-art {
  position: absolute; inset: 0; z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
#hero-canvas, .hero-art img {
  position: absolute;
  right: -8%;
  top: 4%;
  width: min(920px, 78vw);
  height: min(680px, 86vh);
}
@media (max-width: 720px) {
  #hero-canvas, .hero-art img {
    opacity: 0.45;
    top: -4%;
    right: -16%;
  }
}
.hero-wrap { position: relative; z-index: 1; }
.hero .lede { margin-top: 0.4rem; }
.cta { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2rem; }

.scroll-hint {
  position: absolute;
  right: clamp(1.25rem, 4vw, 2.5rem);
  bottom: 1.6rem;
  margin: 0;
  font: 400 0.72rem var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
}
.scroll-hint .arr { animation: hint-drop 2.2s ease-in-out infinite; }
@keyframes hint-drop {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

/* ---- 03 orbit ---------------------------------------------------- */

.orbit-sec { padding: clamp(5.5rem, 12vh, 9rem) 0; }

.orbit-art {
  position: relative;
  aspect-ratio: 10 / 8.2;
  min-height: 300px;
}
#orbit-canvas, .orbit-art img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.orbit-under {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  fill: none;
  stroke: rgba(255, 255, 255, 0.10);
  stroke-width: 0.22;
  stroke-dasharray: 0.9 1.4;
}
.orbit-core {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  display: grid; place-items: center;
  width: 4.4rem; height: 4.4rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(11, 11, 12, 0.75);
  font: 500 0.78rem var(--mono);
  letter-spacing: 0.12em;
  color: var(--txt);
}
.orbit-node {
  position: absolute;
  font: 400 0.72rem var(--mono);
  letter-spacing: 0.1em;
  color: var(--muted);
  background: rgba(11, 11, 12, 0.7);
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  transform: translate(-50%, -50%);
}
.orbit-node.n1 { left: 18%; top: 24%; }
.orbit-node.n2 { left: 84%; top: 38%; }
.orbit-node.n3 { left: 26%; top: 82%; }
.orbit-node.n4 { left: 74%; top: 76%; }

html.js .orbit-node { opacity: 0; transition: opacity 500ms ease; }
html.js .orbit-art.nodes .orbit-node { opacity: 1; }
html.js .orbit-art.nodes .n2 { transition-delay: 160ms; }
html.js .orbit-art.nodes .n3 { transition-delay: 320ms; }
html.js .orbit-art.nodes .n4 { transition-delay: 480ms; }

/* ---- 04 features ------------------------------------------------- */

.feat-sec { padding: clamp(5.5rem, 12vh, 9rem) 0; }

.cards {
  display: grid;
  gap: 1px;
  margin-top: clamp(2rem, 5vh, 3.2rem);
  grid-template-columns: 1fr;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}
@media (min-width: 640px) { .cards { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1020px) { .cards { grid-template-columns: repeat(4, 1fr); } }

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg2);
  padding: 1.6rem 1.4rem 1.5rem;
  transition: background-color 180ms ease;
}
.card .metric { margin-top: auto; padding-top: 1.1rem; }
.card:hover { background: var(--bg3); }
.card h3 {
  margin: 1.1rem 0 0.3rem;
  font: 500 1.08rem var(--sans);
  letter-spacing: -0.01em;
  color: var(--txt);
}
.card p { margin: 0.55rem 0 0; font-size: 0.9rem; color: var(--muted); }
.card .metric {
  font: 400 0.72rem var(--mono);
  letter-spacing: 0.04em;
  color: var(--green-dim);
}
.card .ico {
  width: 26px; height: 26px;
  fill: none;
  stroke: var(--muted);
  stroke-width: 1.3;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke 180ms ease;
}
.card:hover .ico { stroke: var(--txt); }
.stroke-line, .card img.stroke-line {
  display: block;
  width: 100%; max-width: 190px;
  height: 14px;
  margin-top: 0.15rem;
  transition: filter 180ms ease, opacity 180ms ease;
  opacity: 0.85;
}
.card:hover .stroke-line, .card:hover img.stroke-line { filter: brightness(1.6); opacity: 1; }

/* ---- 05 terminal ------------------------------------------------- */

.term-sec {
  padding: clamp(5.5rem, 12vh, 9rem) 0;
  overflow: hidden;
}
.term-art {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  overflow: hidden;
}
#term-canvas, .term-art img {
  position: absolute;
  left: 50%; bottom: 22%;
  transform: translateX(-50%);
  width: min(1100px, 120vw);
  height: 420px;
}
.term-sec .wrap { position: relative; z-index: 1; }

.term {
  margin-top: 2rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(13, 13, 15, 0.92);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}
.term-bar {
  display: flex; align-items: center; gap: 6px;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--line-soft);
}
.term-bar i {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--line);
}
.term-bar span {
  margin-left: auto;
  font: 400 0.68rem var(--mono);
  letter-spacing: 0.08em;
  color: var(--faint);
}
.term-log {
  padding: 1.1rem 1.2rem 1.2rem;
  font-family: var(--mono);
  font-size: clamp(0.78rem, 2.2vw, 0.875rem);
  overflow-x: auto;
}
.trow {
  display: grid;
  grid-template-columns: 22ch minmax(0, 1fr);
  line-height: 2.05;
  min-height: 2.05em;
  white-space: nowrap;
}
.tp { color: var(--faint); padding-right: 1ch; }
.tcmd { color: var(--body); }
.tres {
  border-left: 1px solid var(--line-soft);
  padding-left: 1.6ch;
  color: var(--green);
}
.tsel { color: var(--green-dim); opacity: 0.7; }
.thole { color: #c5d8c1; letter-spacing: 0.04em; }
.thole.flag {
  color: var(--green);
  border-bottom: 1px dashed var(--green-dim);
}
.tcur {
  display: inline-block;
  width: 0.55ch; height: 1em;
  margin-left: 0.2ch;
  background: var(--txt);
  vertical-align: -0.15em;
}
html.js .anim .tv { opacity: 0; transition: opacity 160ms linear; }
html.js .anim .tv.show { opacity: 1; }
html.js .anim .tcur { animation: blink 1.05s steps(1, end) infinite; }

@keyframes blink {
  0%, 55% { opacity: 1; }
  56%, 100% { opacity: 0; }
}

@media (max-width: 560px) {
  .trow { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .tres { border-left: none; padding-left: 3ch; }
}

/* ---- 06 footer cta ----------------------------------------------- */

.end-sec {
  position: relative;
  padding: clamp(6rem, 14vh, 10rem) 0;
  overflow: hidden;
  background:
    radial-gradient(ellipse 46% 50% at 82% 60%, rgba(255, 255, 255, 0.045), transparent 70%),
    var(--bg);
}
.end-art {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}
#end-canvas, .end-art img {
  position: absolute;
  right: -4%;
  top: 50%;
  transform: translateY(-50%);
  width: min(720px, 88vw);
  height: min(620px, 90%);
}
.end-sec .wrap { position: relative; z-index: 1; }

.install {
  margin: 1.4rem 0 0;
  padding: 1.1rem 1.3rem;
  max-width: 34rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(13, 13, 15, 0.85);
  font: 400 0.82rem/2 var(--mono);
  color: var(--body);
  overflow-x: auto;
}
.install .ip { color: var(--faint); user-select: none; }

/* ---- footer ------------------------------------------------------ */

.foot { border-top: 1px solid var(--line-soft); }
.foot-row {
  display: flex; flex-wrap: wrap; gap: 0.8rem;
  align-items: center; justify-content: space-between;
  padding-top: 1.4rem; padding-bottom: 1.6rem;
  font: 400 0.8rem var(--mono);
  color: var(--faint);
}
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--txt); }

/* ---- reveal on scroll -------------------------------------------- */

html.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 650ms ease, transform 650ms cubic-bezier(0.22, 1, 0.36, 1);
}
html.js .reveal.in { opacity: 1; transform: none; }
html.js .reveal.d1 { transition-delay: 90ms; }
html.js .reveal.d2 { transition-delay: 180ms; }
html.js .reveal.d3 { transition-delay: 280ms; }
html.js .cards .card:nth-child(2) { transition-delay: 110ms; }
html.js .cards .card:nth-child(3) { transition-delay: 220ms; }
html.js .cards .card:nth-child(4) { transition-delay: 330ms; }

/* ---- reduced motion ---------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  html.js .orbit-node { opacity: 1; transition: none; }
  .scroll-hint .arr { animation: none; }
  html.js .anim .tv { opacity: 1; }
  html.js .anim .tcur { animation: none; }
  .end-art { transition: none; }
  .intro-word, .intro-line { animation: none; }
}