/* vamp.sh — three faces, three jobs:
   Archivo 800 (display), Geist Mono (everything read), Departure Mono (numbers and labels, on its 11 px grid). */
@font-face {
  font-family: "Archivo";
  src: url("fonts/archivo-800.woff2") format("woff2");
  font-weight: 800;
  font-stretch: 100% 125%;
  font-display: block;
}
@font-face {
  font-family: "Geist Mono";
  src: url("fonts/geist-mono.woff2") format("woff2");
  font-weight: 400 500;
  font-display: block;
}
@font-face {
  font-family: "Departure Mono";
  src: url("fonts/departure-mono.woff2") format("woff2");
  font-weight: 400;
  font-display: block;
}

:root {
  --ground: #08040f;
  --ground-2: #0d0614;
  --aub-1: #290922;
  --aub-2: #3f0d28;
  --aub-3: #59142d;
  --coral: #ef514f;
  --crimson: #ce2b39;
  --ink: #000;
  --paper: #f3e8e3;
  --muted: #b89ea8;

  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --pixel: "Departure Mono", "Geist Mono", ui-monospace, monospace;

  /* type scale */
  --d1: clamp(44px, 6.2vw, 104px);
  --d2: clamp(52px, 8.4vw, 136px);
  --d3: 22px;
  --m: 13px;
  --px-s: 11px;
  --px-m: 22px;
  --px-l: 44px;
  --px-xl: 88px;

  /* space */
  --pad: clamp(20px, 3.4vw, 48px);
  --gap: clamp(16px, 1.8vw, 28px);
  --section: clamp(96px, 11vw, 168px);
  --nav-h: 56px;
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--ground); color-scheme: dark; scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }
body {
  margin: 0; background: var(--ground); color: var(--paper);
  font: 400 var(--m)/1.6 var(--mono);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, pre, ol { margin: 0; }
ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: underline 1px var(--coral); text-underline-offset: 0.25em; }
a:hover { color: var(--coral); }
:focus-visible { outline: 2px solid var(--coral); outline-offset: 3px; }
code { font: inherit; }
i { font-style: normal; color: var(--aub-3); padding: 0 0.35em; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 50; background: var(--coral); color: var(--ink); padding: 8px 12px; }
.skip:focus { left: 8px; }

/* roles */
.px { font-family: var(--pixel); font-weight: 400; font-stretch: 100%; letter-spacing: -0.02em; color: var(--coral); }
.cap { font-family: var(--pixel); font-size: var(--px-s); line-height: 1.6; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
.cap a { text-decoration-color: var(--aub-3); margin-left: 1.2em; }
.cap a:first-child { margin-left: 0; }
.code {
  font-family: var(--mono); font-size: var(--m); line-height: 1.6; color: var(--muted);
  white-space: pre-wrap; overflow-wrap: anywhere;
}
.code b { color: var(--coral); font-weight: 400; }
.code span { color: var(--muted); }

/* ── nav ── */
.nav {
  position: sticky; top: 0; z-index: 20; height: var(--nav-h);
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: var(--gap);
  padding: 0 var(--pad); background: rgba(8, 4, 15, 0.94); border-bottom: 1px solid var(--aub-2);
}
.brand { font: 800 20px/1 var(--display); font-stretch: 125%; text-decoration: none; justify-self: start; }
.brand span { font: 400 var(--px-m)/1 var(--pixel); color: var(--coral); }
.nav-links { display: flex; gap: 32px; }
.nav-links a { text-decoration: none; color: var(--muted); }
.nav-links a:hover { color: var(--paper); }
.nav-meta { justify-self: end; font: 400 var(--px-s)/1 var(--pixel); letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.dot { width: 7px; height: 7px; background: var(--coral); }

/* ── hero ── */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: max(640px, calc(100svh - var(--nav-h)));
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); grid-template-rows: auto 1fr;
  column-gap: var(--gap); padding: 32px var(--pad) 112px;
}
.field { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.fig { grid-column: 8 / -1; grid-row: 1; justify-self: end; text-align: right; color: var(--paper); }
.fig span { color: var(--muted); }
/* Centered in the space between the nav and the HUMAN | MACHINE pill, level with the moon. */
.hero-copy { grid-column: 1 / span 7; grid-row: 1 / -1; align-self: center; min-width: 0; }
.hero h1 {
  font: 800 var(--d1)/0.98 var(--display); font-stretch: 112%; letter-spacing: -0.022em;
  text-wrap: balance; text-shadow: 0 0 24px var(--ground), 0 0 4px var(--ground);
}
.hero h1 .px { font-size: 0.9em; }
/* The install one-liner: one terminal line in a pill, copied exactly by the button (app.js). */
.install { margin-top: clamp(28px, 3.2vw, 48px); display: grid; gap: 12px; justify-items: start; }
.install-cmd {
  display: flex; align-items: center; gap: 12px; max-width: 100%;
  padding: 5px 5px 5px 18px; background: var(--ink); border: 1px solid var(--aub-2); border-radius: 21px;
  font: 400 clamp(var(--m), 1.05vw, 15px)/1.5 var(--mono); color: var(--paper);
}
.install-cmd .prompt { color: var(--coral); user-select: none; -webkit-user-select: none; }
/* One click selects the whole command, for copying by hand. */
.install-cmd code { min-width: 0; white-space: pre-wrap; overflow-wrap: anywhere; cursor: text; user-select: all; -webkit-user-select: all; }
.install-cmd code::selection { background: var(--coral); color: var(--ink); }
.copy {
  all: unset; box-sizing: border-box; flex: none; margin-left: auto; cursor: pointer; user-select: none; -webkit-user-select: none;
  display: grid; padding: 10px 14px; border-radius: 999px; background: var(--aub-2); color: var(--coral);
  font: 400 var(--px-s)/1 var(--pixel); letter-spacing: 0.08em; text-transform: uppercase;
}
/* Both labels share one cell, so Copy -> Copied never changes the pill's width. */
.copy > span { grid-area: 1 / 1; text-align: center; }
.copy > span + span, .copy.done > span:first-child { visibility: hidden; }
.copy.done > span + span { visibility: visible; }
.copy:hover { color: var(--paper); }
.copy.done { background: var(--coral); color: var(--ink); }
.copy:focus-visible { outline: 2px solid var(--coral); outline-offset: 2px; }
.install-note { padding-left: 19px; text-shadow: 0 0 12px var(--ground), 0 0 3px var(--ground); }
.install-note code { text-transform: none; letter-spacing: 0; color: var(--paper); white-space: nowrap; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
/* The stepper: an instrument under the moon (positioned from the field's geometry in app.js). */
.stepper { position: absolute; left: 75%; top: 80%; transform: translateX(-50%); display: flex; align-items: center; gap: 12px; }
.bar-n { font: 400 var(--px-m)/1 var(--pixel); font-variant-numeric: tabular-nums; color: var(--paper); }
.beats { display: flex; gap: 4px; }
.beats li { width: 33px; height: 22px; display: grid; place-items: center; font: 400 var(--px-s)/1 var(--pixel); color: var(--muted); border: 1px solid var(--aub-2); background: var(--ground); }
.beats li.on { background: var(--coral); border-color: var(--coral); color: var(--ink); }

/* ── sections: label, one line, one artifact ── */
.section { padding: var(--section) var(--pad) 0; }
.head { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap); align-items: end; margin-bottom: 48px; }
.label { grid-column: 1 / span 6; grid-row: 1; align-self: end; font: 400 var(--px-m)/1 var(--pixel); color: var(--coral); margin-bottom: 24px; }
.head h2 { grid-column: 1 / -1; grid-row: 2; font: 800 var(--d2)/0.86 var(--display); font-stretch: 125%; letter-spacing: -0.03em; text-transform: uppercase; }
.line { grid-column: 8 / -1; grid-row: 1; align-self: end; margin-bottom: 24px; font: 400 var(--d3)/1.35 var(--mono); color: var(--paper); max-width: 36ch; text-wrap: pretty; }
.note { margin-top: 20px; }
.cut { color: var(--coral); }
.card { background: var(--ink); border: 1px solid var(--aub-2); padding: 20px 22px; }
.card .cmd { color: var(--paper); }
mark { background: var(--aub-2); color: var(--coral); padding: 0 2px; }

/* 01 · keep */
.keep { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap); align-items: start; }
.keep > div { display: grid; gap: 10px; min-width: 0; }
.keep > div:first-child { grid-column: 1 / span 7; }
.keep > div:last-child { grid-column: 8 / -1; }

/* 02 · deliver (terminal) */
.session { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap); align-items: start; }
.steps { grid-column: 1 / span 3; border-top: 1px solid var(--aub-2); }
.steps li { border-bottom: 1px solid var(--aub-2); }
.steps button {
  all: unset; box-sizing: border-box; cursor: pointer; width: 100%;
  display: flex; align-items: baseline; gap: 14px; padding: 14px 0; color: var(--muted);
}
.steps button:focus-visible { outline: 2px solid var(--coral); outline-offset: -2px; }
.steps .n { font: 400 var(--px-m)/1 var(--pixel); }
.steps .where { margin-left: auto; font: 400 var(--px-s)/1 var(--pixel); letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
.steps li.done button { color: var(--paper); }
.steps li.on button, .steps li.on .where { color: var(--coral); }
.term { grid-column: 4 / -1; min-width: 0; background: var(--ink); border: 1px solid var(--aub-2); }
.term-bar { display: flex; align-items: center; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--aub-1); font: 400 var(--px-s)/1.6 var(--pixel); letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
.sq { width: 9px; height: 9px; background: var(--coral); }
.term-body {
  height: 520px; overflow: hidden auto; padding: 18px 20px 22px;
  font: 400 var(--m)/1.6 var(--mono); color: var(--muted); white-space: pre-wrap; overflow-wrap: anywhere;
  scrollbar-width: thin; scrollbar-color: var(--aub-2) transparent;
}
.term-body .cmd { color: var(--paper); }
.host { font-family: var(--pixel); color: var(--muted); margin-right: 0.5em; }
.prompt, .err { color: var(--coral); }
.exit { color: var(--muted); }
.caret { display: inline-block; width: 0.6em; height: 1.15em; background: var(--coral); vertical-align: -0.2em; }
.j-s { color: var(--paper); }
.j-n, .j-l { color: var(--coral); }
.j-cut { color: var(--coral); background: var(--aub-1); padding: 0 2px; }

/* 03 · transform */
.transform { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap); align-items: start; }
.specimen { grid-column: 1 / span 5; margin: 0; }
.specimen img { display: block; width: 100%; height: auto; border: 1px solid var(--aub-2); }
.swatches { display: flex; height: 22px; margin: 10px 0 14px; outline: 1px solid var(--aub-2); outline-offset: -1px; }
.tag { color: var(--coral); border: 1px solid var(--aub-3); padding: 1px 6px; margin-left: 4px; }
.transform-code { grid-column: 6 / -1; min-width: 0; display: grid; gap: 10px; }
.transform-code .card + .cap { margin-top: 14px; }
#spec-code, #inspect-code { white-space: pre; overflow-x: auto; font-size: 12px; }

/* 04 · share */
.share { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap); align-items: start; }
.log { grid-column: 1 / span 8; border-collapse: collapse; font: 400 var(--m)/1.6 var(--mono); }
.log caption { text-align: left; padding-bottom: 10px; }
.log th { text-align: left; font: 400 var(--px-s)/1.6 var(--pixel); letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); padding: 8px 24px 8px 0; border-bottom: 1px solid var(--aub-2); }
.log td { padding: 9px 24px 9px 0; border-bottom: 1px solid var(--aub-1); color: var(--muted); white-space: nowrap; }
.log td:first-child { font-family: var(--pixel); }
.log td:nth-child(3) { color: var(--paper); }
.log tr.hot td { color: var(--coral); background: var(--ground-2); }
.allow { grid-column: 9 / -1; min-width: 0; display: grid; gap: 10px; }

/* 05 · vampire */
.vampire { display: grid; grid-template-columns: 112px minmax(0, 1fr); column-gap: 32px; align-items: end; }
.vampire img { border-radius: 24px; display: block; margin-bottom: 52px; }
.vampire .head { grid-template-columns: repeat(11, minmax(0, 1fr)); margin-bottom: 40px; }
.vampire .line { grid-column: 6 / -1; }

/* footer: spec */
.foot { padding: var(--section) var(--pad) 104px; }
.spec { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap); padding: 24px 0 64px; border-top: 1px solid var(--aub-2); }
.spec > .cap { grid-column: 1 / span 2; color: var(--coral); }
.spec-line { grid-column: 3 / span 4; color: var(--paper); max-width: 40ch; }
.spec-roots { grid-column: 7 / -1; list-style: none; margin: 0; padding: 0; columns: 3; column-gap: var(--gap); color: var(--muted); }
.spec-roots li { padding: 2px 0; }
.foot-word { font: 800 clamp(72px, 23vw, 380px)/0.74 var(--display); font-stretch: 125%; letter-spacing: -0.045em; color: var(--aub-2); border-bottom: 1px solid var(--aub-2); padding-bottom: 14px; }
.foot-row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px 32px; padding-top: 16px; }

/* HUMAN | MACHINE */
.toggle { position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%); z-index: 40; display: flex; gap: 2px; padding: 3px; background: var(--ink); border: 1px solid var(--aub-2); border-radius: 999px; }
.toggle button {
  all: unset; cursor: pointer; padding: 8px 16px; border-radius: 999px;
  font: 400 var(--px-s)/1 var(--pixel); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}
.toggle button:hover { color: var(--paper); }
.toggle button[aria-pressed="true"] { background: var(--aub-2); color: var(--coral); }
.toggle button:focus-visible { outline: 2px solid var(--coral); outline-offset: 1px; }

/* machine view */
body[data-view="machine"] .nav { display: none; }
.machine { min-height: 100vh; padding: 48px var(--pad) 120px; }
.machine-doc { max-width: 96ch; margin: 0 auto; font: 400 13.5px/1.62 var(--mono); color: var(--coral); white-space: pre-wrap; overflow-wrap: anywhere; }
.machine-doc .h { color: var(--paper); font-weight: 500; }
.machine-doc .art { display: block; color: var(--crimson); line-height: 1.16; white-space: pre; overflow: hidden; font-size: min(1em, calc((100vw - 2 * var(--pad)) / 46)); }
.machine-doc a { color: var(--coral); text-decoration-color: var(--aub-3); }
.machine-doc a:hover { color: var(--paper); }

/* 404 */
.lost { min-height: 100svh; display: grid; grid-template-rows: auto 1fr auto; padding: 32px var(--pad); position: relative; isolation: isolate; overflow: hidden; }
.lost h1 { align-self: end; font: 800 var(--d2)/0.86 var(--display); font-stretch: 125%; letter-spacing: -0.03em; text-transform: uppercase; padding-bottom: 32px; }
.lost h1 .px { font-size: 0.92em; }


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

/* ── tablet ── */
@media (max-width: 1100px) {
  .hero-copy { grid-column: 1 / span 6; }
  .line { grid-column: 1 / -1; grid-row: 3; margin: 24px 0 0; max-width: 40ch; }
  .label { grid-column: 1 / -1; }
  .keep > div:first-child, .keep > div:last-child { grid-column: 1 / -1; }
  .keep > div:last-child { margin-top: 24px; }
  .vampire .line { grid-column: 1 / -1; }
  .steps { grid-column: 1 / span 4; }
  .term { grid-column: 5 / -1; }
  .log { grid-column: 1 / -1; }
  .allow { grid-column: 1 / span 8; margin-top: 32px; }
  .spec > .cap { grid-column: 1 / -1; margin-bottom: 12px; }
  .spec-line { grid-column: 1 / span 5; }
  .spec-roots { grid-column: 6 / -1; columns: 2; }
}
@media (max-width: 860px) {
  .nav { grid-template-columns: 1fr auto; }
  .nav-links { display: none; }
  .session .steps, .session .term { grid-column: 1 / -1; }
  .steps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 16px; margin-bottom: 20px; }
  .specimen, .transform-code { grid-column: 1 / -1; }
  .transform-code { margin-top: 32px; }
  .allow { grid-column: 1 / -1; }
  .spec-line, .spec-roots { grid-column: 1 / -1; }
  .spec-roots { margin-top: 20px; }
}
/* ── phone ── */
@media (max-width: 600px) {
  :root { --m: 12px; --d3: 18px; --d2: 11.4vw; }
  .hero { min-height: calc(100svh - var(--nav-h)); padding-top: 20px; padding-bottom: 104px; grid-template-rows: 84vw 1fr; }
  .fig { display: none; }
  .hero-copy { grid-column: 1 / -1; grid-row: 2; align-self: center; }
  .hero h1 { font-size: 40px; line-height: 1; }
  .install { margin-top: 24px; }
  /* Narrow enough that the command breaks only after -fsSL, down to 360 px. */
  .install-cmd { padding-left: 14px; gap: 8px; }
  .copy { padding: 10px; }
  .install-note { padding-left: 15px; }
  .head { margin-bottom: 32px; }
  .vampire img { margin-bottom: 0; }
  .card { padding: 14px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps .where { display: none; }
  .term-body { height: 440px; padding: 14px; }
  .log { display: block; overflow-x: auto; }
  .log th, .log td { padding-right: 14px; }
  .log th:nth-child(4), .log td:nth-child(4) { display: none; }
  .vampire { grid-template-columns: 1fr; }
  .vampire img { width: 72px; height: 72px; border-radius: 16px; margin: 0 0 24px; }
  .spec-roots { columns: 2; }
  .foot { padding-bottom: 112px; }
  .foot-row { flex-direction: column; }
  .machine { padding-top: 28px; }
  .machine-doc { font-size: 11.5px; }
}