/* TURING — halftone. Black field, one ink, dots as the only texture. */
@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&display=swap");

:root {
  --bg: #060606; --bg2: #0d0d0d; --ink: #eeeae2; --dim: #7d7973; --mute: #3a3835; --line: #222;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --dot: radial-gradient(circle, #eeeae2 1px, transparent 1.4px);
}
* { box-sizing: border-box; }
html { background: var(--bg); color: var(--ink); font: 14px/1.55 var(--mono); -webkit-font-smoothing: antialiased; }
body { margin: 0; background: var(--bg); }
a { color: inherit; text-decoration: none; border-bottom: 1px solid var(--mute); }
a:hover { border-bottom-color: var(--ink); }
img, canvas { display: block; image-rendering: pixelated; }
::selection { background: var(--ink); color: var(--bg); }
button, input, textarea { font: inherit; color: inherit; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px; }

/* header */
header { position: sticky; top: 0; z-index: 10; background: var(--bg); border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; gap: 18px; height: 56px; }
.logo { display: flex; align-items: center; gap: 10px; border: 0; font-weight: 700; letter-spacing: .14em; }
.logo img { width: 28px; height: 28px; }
nav { display: flex; gap: 16px; margin-left: auto; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
nav a { border: 0; } nav a:hover { color: var(--ink); }
.pill { font-size: 11px; letter-spacing: .06em; border: 1px solid var(--line); padding: 4px 8px; color: var(--dim); white-space: nowrap; }
.pill b { color: var(--ink); font-weight: 500; }
.pill.on::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--ink); margin-right: 7px; animation: blink 1.6s steps(2) infinite; vertical-align: 0; }
@keyframes blink { 50% { opacity: .15; } }

/* hero */
.hero { display: grid; grid-template-columns: 440px 1fr; gap: 40px; align-items: center; padding: 48px 0 40px; border-bottom: 1px solid var(--line); }
.hero canvas { width: 440px; height: 440px; }
.hero .mark img { width: min(560px, 100%); height: auto; }
.hero h1 { margin: 0; font-size: 0; }
.hero .tag { font-size: 20px; line-height: 1.35; margin: 18px 0 12px; max-width: 560px; }
.hero .sub { color: var(--dim); max-width: 560px; margin: 0 0 24px; }
.hero .cta { display: flex; gap: 10px; flex-wrap: wrap; }
.btn { display: inline-block; border: 1px solid var(--ink); padding: 10px 16px; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; background: var(--bg); cursor: pointer; }
.btn.solid { background: var(--ink); color: var(--bg); }
.btn:hover { background: var(--ink); color: var(--bg); }
.btn.solid:hover { background: var(--bg); color: var(--ink); }
.btn[disabled] { opacity: .35; cursor: default; }

/* kpi strip */
.strip { display: grid; grid-template-columns: repeat(8, 1fr); border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.strip > div { border-right: 1px solid var(--line); padding: 14px 12px; min-width: 0; }
.strip .k { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); }
.strip .v { font-size: 22px; font-weight: 500; margin-top: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.strip .s { font-size: 11px; color: var(--dim); }

/* sections */
section { padding: 40px 0; border-bottom: 1px solid var(--line); }
h2 { font-size: 12px; letter-spacing: .18em; text-transform: uppercase; margin: 0 0 20px; display: flex; align-items: center; gap: 12px; color: var(--ink); }
h2::before { content: "●"; font-size: 10px; }
h2 small { color: var(--dim); letter-spacing: .06em; text-transform: none; font-weight: 400; margin-left: auto; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.box { border: 1px solid var(--line); padding: 18px; background: var(--bg); }
.box.inv { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.box.inv a { border-bottom-color: rgba(6,6,6,.35); }
.tagline { font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); }
.inv .tagline { color: rgba(6,6,6,.6); }
.probe { font-size: 18px; line-height: 1.45; margin: 10px 0 16px; }
.faculty { display: inline-block; border: 1px solid currentColor; padding: 1px 7px; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.dots { font-family: var(--mono); letter-spacing: 2px; color: var(--ink); }
.dots .off { color: var(--mute); }
.witness { border: 1px solid var(--line); padding: 14px; margin-top: 10px; }
.witness .who { font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); display: flex; justify-content: space-between; }
.witness p { margin: 8px 0 0; white-space: pre-wrap; }
.sealed { color: var(--mute); background: repeating-linear-gradient(90deg, var(--mute) 0 2px, transparent 2px 6px); height: 1em; margin-top: 10px; }
textarea { width: 100%; min-height: 96px; background: var(--bg2); border: 1px solid var(--line); padding: 12px; resize: vertical; }
textarea:focus, input:focus { outline: none; border-color: var(--ink); }
input[type=text] { background: var(--bg2); border: 1px solid var(--line); padding: 9px 12px; width: 100%; }
.row { display: flex; gap: 10px; align-items: center; margin-top: 10px; flex-wrap: wrap; }
.row .grow { flex: 1; }
.msg { font-size: 12px; color: var(--dim); margin-top: 10px; min-height: 1.4em; }

/* record table */
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 400; color: var(--dim); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
td a { border: 0; } td a:hover { text-decoration: underline; }
tr:hover td { background: var(--bg2); }
.out { font-weight: 700; letter-spacing: .06em; font-size: 11px; }
.out.fooled, .out.passed { color: var(--ink); } .out.detected, .out.failed { color: var(--dim); } .out.unwitnessed { color: var(--mute); }

/* log */
.log { background: var(--bg2); border: 1px solid var(--line); padding: 14px; height: 300px; overflow: auto; font-size: 12px; }
.log div { display: grid; grid-template-columns: 56px 64px 1fr; gap: 10px; padding: 3px 0; color: var(--dim); }
.log div b { color: var(--ink); font-weight: 500; }
.log div span:first-child { color: var(--mute); }

/* faculties */
.fac { display: grid; grid-template-columns: 150px 1fr 70px; gap: 12px; align-items: center; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 12px; }
.fac:last-child { border: 0; }
.fac .bar { height: 10px; background-image: var(--dot); background-size: 8px 8px; opacity: .25; position: relative; }
.fac .bar i { position: absolute; inset: 0; width: 0; background-image: var(--dot); background-size: 8px 8px; opacity: 1; }
.fac .bar { opacity: 1; background-image: radial-gradient(circle, #2c2a28 1px, transparent 1.4px); }
.fac .n { color: var(--dim); text-align: right; }

/* protocol */
.step { display: grid; grid-template-columns: 80px 1fr; gap: 16px; align-items: start; }
.step img { width: 80px; height: 80px; }
.step h3 { margin: 0 0 6px; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; }
.step p { margin: 0; color: var(--dim); font-size: 13px; }

/* papers */
.papers { columns: 2; column-gap: 32px; font-size: 12px; }
.paper { break-inside: avoid; padding: 8px 0; border-bottom: 1px solid var(--line); }
.paper b { font-weight: 500; }
.paper .m { color: var(--dim); }
.paper .l { color: var(--dim); margin-top: 4px; display: none; }
.papers.open .paper .l { display: block; }

/* notes */
.note { border-left: 2px solid var(--ink); padding: 4px 0 4px 16px; margin-bottom: 18px; }
.note .m { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); margin-bottom: 6px; }
.note p { margin: 0; white-space: pre-wrap; }

footer { padding: 32px 0 48px; color: var(--dim); font-size: 12px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; }
footer .mono { word-break: break-all; }

.ca { font-size: 12px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.ca code { background: var(--bg2); border: 1px solid var(--line); padding: 6px 10px; word-break: break-all; }
.ca button { background: none; border: 1px solid var(--line); padding: 5px 10px; cursor: pointer; font-size: 11px; letter-spacing: .1em; }
.ca button:hover { border-color: var(--ink); }

/* trial page */
.verdict { font-size: 26px; font-weight: 700; letter-spacing: .04em; }
.hash { font-size: 12px; word-break: break-all; color: var(--dim); }
.ok { color: var(--ink); } .bad { color: #c44; }
pre.rec { background: var(--bg2); border: 1px solid var(--line); padding: 12px; font-size: 11px; white-space: pre-wrap; word-break: break-all; color: var(--dim); max-height: 220px; overflow: auto; }

@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; gap: 24px; padding: 28px 0; }
  .hero canvas { width: min(440px, 100%); height: auto; margin: 0 auto; }
  .strip { grid-template-columns: repeat(4, 1fr); border-top: 0; }
  .strip > div:nth-child(-n+4) { border-bottom: 1px solid var(--line); }
  .grid2, .grid3 { grid-template-columns: 1fr; }
  .papers { columns: 1; }
  nav { display: none; }
  .fac { grid-template-columns: 110px 1fr 60px; }
  section > table { display: block; overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; }
}