/* ANLACO — static site. No build, no framework, no JavaScript.
   Brand: paper + ink, amber-phosphor accent (the colour of a bench
   instrument's display), a step-signal mark, generous measure. */

/* ── Tokens ─────────────────────────────────────────────────────── */
:root {
  --bg:        #fcfbf9;
  --bg-alt:    #f4f2ed;
  --surface:   #ffffff;
  --code-bg:   #14171b;
  --ink:       #16181b;
  --ink-2:     #565b63;
  --ink-3:     #6b7079;
  --line:      #e3e0d9;
  --line-soft: #ece9e2;
  --accent:    #a24e00;
  --accent-hi: #c25f04;
  --accent-bg: #fbf1e4;
  --ok:        #1b6e45;
  --ok-bg:     #e8f3ec;
  --wip:       #8a5a00;
  --wip-bg:    #fbf1e0;
  --shadow:    0 1px 2px rgba(20,23,27,.04), 0 8px 24px rgba(20,23,27,.05);

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
          "Liberation Mono", monospace;

  --wrap: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #0e1013;
    --bg-alt:    #14171b;
    --surface:   #171a1f;
    --code-bg:   #0a0c0f;
    --ink:       #e9e7e1;
    --ink-2:     #a0a5ad;
    --ink-3:     #767c85;
    --line:      #272b32;
    --line-soft: #1e2228;
    --accent:    #f0a653;
    --accent-hi: #f7bd77;
    --accent-bg: #241a10;
    --ok:        #57c08a;
    --ok-bg:     #12241a;
    --wip:       #e0a75a;
    --wip-bg:    #241c0f;
    --shadow:    0 1px 2px rgba(0,0,0,.3), 0 8px 28px rgba(0,0,0,.28);
  }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection { background: var(--accent); color: var(--bg); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1.5rem; }
.wrap.narrow { max-width: 760px; }
.center { text-align: center; }

.skip {
  position: absolute; left: -9999px;
  background: var(--accent); color: #fff;
  padding: .7rem 1.1rem; border-radius: 0 0 6px 0; z-index: 200;
}
.skip:focus { left: 0; top: 0; }

a { color: var(--accent); }
a:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px;
}

/* ── Brand mark ─────────────────────────────────────────────────── */
.mark { display: block; flex: 0 0 auto; }
.mark-frame { fill: none; stroke: currentColor; stroke-width: 2.2; opacity: .32; }
.mark-trace {
  fill: none; stroke: var(--accent); stroke-width: 2.6;
  stroke-linecap: round; stroke-linejoin: round;
}
.brand, .footer-brand { color: var(--ink); }
.wordmark {
  font-weight: 700; font-size: .98rem;
  letter-spacing: .18em; text-transform: uppercase;
}

/* ── Nav ────────────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--wrap); margin: 0 auto; padding: .85rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.nav nav { display: flex; align-items: center; gap: 1.6rem; }
.nav nav a {
  color: var(--ink-2); text-decoration: none;
  font-size: .9rem; font-weight: 500; transition: color .15s;
}
.nav nav a:hover { color: var(--ink); }
.nav-cta { color: var(--accent) !important; font-weight: 600 !important; }
@media (max-width: 780px) {
  .nav nav a:not(.nav-cta) { display: none; }
}

/* ── Type scale ─────────────────────────────────────────────────── */
h1, h2, h3 { letter-spacing: -.022em; line-height: 1.15; font-weight: 700; }

h1 { font-size: clamp(2.3rem, 5.2vw, 3.5rem); line-height: 1.06; }
h1 em {
  font-style: normal; color: var(--accent);
  box-shadow: inset 0 -.14em 0 var(--accent-bg);
}
h2 { font-size: clamp(1.65rem, 3.2vw, 2.15rem); margin-bottom: 1.1rem; }
h3 { font-size: 1.05rem; }

.kicker {
  font-family: var(--mono); font-size: .72rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: .9rem;
}
.eyebrow {
  font-family: var(--mono); font-size: .74rem;
  letter-spacing: .06em; color: var(--ink-3); margin-bottom: 1.4rem;
}
.lead { font-size: 1.09rem; color: var(--ink-2); margin: 1.4rem 0 2rem; max-width: 40em; }
.lead strong, .band p strong, .section p strong { color: var(--ink); font-weight: 600; }
.intro { font-size: 1.03rem; color: var(--ink-2); max-width: 42em; margin-bottom: 2.6rem; }

p code, li code, dd code {
  font-family: var(--mono); font-size: .86em;
  background: var(--bg-alt); border: 1px solid var(--line-soft);
  padding: .08em .35em; border-radius: 4px;
}

/* ── Buttons ────────────────────────────────────────────────────── */
.cta { display: flex; gap: .8rem; flex-wrap: wrap; }
.cta-center { justify-content: center; margin-top: 2rem; }
.btn {
  display: inline-block; padding: .72rem 1.35rem; border-radius: 7px;
  font-size: .94rem; font-weight: 600; text-decoration: none;
  border: 1px solid transparent; transition: all .15s;
}
.btn-solid { background: var(--accent); color: var(--bg); }
.btn-solid:hover { background: var(--accent-hi); transform: translateY(-1px); }
.btn-line { color: var(--ink); border-color: var(--line); background: var(--surface); }
.btn-line:hover { border-color: var(--accent); color: var(--accent); }

/* ── Hero ───────────────────────────────────────────────────────── */
.hero { padding: 5.5rem 0 4.5rem; border-bottom: 1px solid var(--line); }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: 3.5rem; align-items: center;
}
.hero-copy { min-width: 0; }
@media (max-width: 940px) {
  .hero { padding: 3.2rem 0 3rem; }
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* ── Terminal ───────────────────────────────────────────────────── */
.term {
  background: var(--code-bg); border: 1px solid var(--line);
  border-radius: 11px; overflow: hidden; box-shadow: var(--shadow);
}
.term-bar {
  display: flex; align-items: center; gap: .45rem;
  padding: .65rem .9rem; border-bottom: 1px solid rgba(255,255,255,.07);
  background: rgba(255,255,255,.03);
}
.dot { width: 10px; height: 10px; border-radius: 50%; background: #3a4048; }
.term-title {
  margin-left: .6rem; font-family: var(--mono);
  font-size: .72rem; color: #767c85;
}
.term pre {
  padding: 1.3rem 1.4rem; overflow-x: auto;
  font-family: var(--mono); font-size: .8rem; line-height: 1.75;
  color: #d6d3cc;
}
@media (max-width: 480px) {
  .term pre { font-size: .71rem; padding: 1.1rem 1rem; }
  pre.cmd   { font-size: .71rem; }
}
.c-p  { color: #f0a653; }
.c-ok { color: #57c08a; }
.c-n  { color: #e0a75a; }
.c-d  { color: #6a7079; }

/* ── Hero hook ──────────────────────────────────────────────────── */
.hook {
  font-size: 1rem; color: var(--ink-2);
  border-left: 2px solid var(--accent);
  padding: .1rem 0 .1rem 1rem; margin: 0 0 2rem; max-width: 40em;
}
.hook strong { color: var(--ink); font-weight: 600; }

/* ── Demo steps ─────────────────────────────────────────────────── */
.steps {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.3rem;
}
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }
.step {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 11px; padding: 1.7rem 1.6rem;
  display: flex; flex-direction: column; min-width: 0;
}
.step-n {
  font-family: var(--mono); font-size: .74rem; font-weight: 600;
  letter-spacing: .1em; color: var(--accent); margin-bottom: .5rem;
}
.step h3 { margin-bottom: .6rem; }
.step p { color: var(--ink-2); font-size: .95rem; }
pre.cmd {
  margin-top: auto; background: var(--code-bg);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 1rem 1.1rem; overflow-x: auto;
  font-family: var(--mono); font-size: .78rem; line-height: 1.7;
  color: #d6d3cc;
}
.step pre.cmd { margin-top: 1.4rem; }
.demo-note {
  margin-top: 1.8rem; max-width: 46em;
  color: var(--ink-2); font-size: .95rem;
}

/* ── Sections ───────────────────────────────────────────────────── */
.section { padding: 5.5rem 0; }
.band {
  padding: 5.5rem 0; background: var(--bg-alt);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.band p, .section p, .status-list dd { color: var(--ink-2); }
.band .narrow p + p, .section .narrow p + p { margin-top: 1.1rem; }
@media (max-width: 700px) { .section, .band { padding: 3.5rem 0; } }

blockquote {
  margin: 2.4rem 0 0; padding: .2rem 0 .2rem 1.4rem;
  border-left: 3px solid var(--accent);
  font-size: 1.2rem; line-height: 1.5; font-weight: 500;
  color: var(--ink); letter-spacing: -.01em;
}

/* ── Diagram ────────────────────────────────────────────────────── */
.diagram { margin: 0 0 3rem; }
.diagram svg {
  display: block; width: 100%; height: auto;
  background: var(--surface);
  border: 1px solid var(--line); border-radius: 11px;
  padding: 1.2rem; box-shadow: var(--shadow);
}
.diagram figcaption {
  margin-top: .9rem; font-size: .88rem; color: var(--ink-3);
  text-align: center; font-style: italic;
}
.d-box { fill: var(--bg-alt); stroke: var(--line); stroke-width: 1.4; }
.d-box-soft { fill: var(--surface); }
.d-box-key { fill: var(--accent-bg); stroke: var(--accent); }
.d-box-dash { fill: none; stroke: var(--ink-3); stroke-dasharray: 5 4; }
.d-t { fill: var(--ink); font: 600 14px var(--sans); }
.d-t-key { fill: var(--accent); }
.d-s { fill: var(--ink-3); font: 400 11.5px var(--sans); }
.d-lbl { fill: var(--ink-3); font: 500 10.5px var(--mono); }
.d-arrow, .d-arrow-plain {
  fill: none; stroke: var(--ink-3); stroke-width: 1.4; stroke-linecap: round;
}
.d-arrow { marker-end: url(#ah); }
.d-head { fill: var(--ink-3); }

/* ── Project cards ──────────────────────────────────────────────── */
.cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem;
}
@media (max-width: 1000px) { .cards { grid-template-columns: 1fr; max-width: 640px; } }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 11px; padding: 1.7rem 1.6rem;
  display: flex; flex-direction: column;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: .7rem; flex-wrap: wrap; margin-bottom: .15rem;
}
.card h3 { font-size: 1.22rem; color: var(--ink); }
.card-role {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .05em;
  color: var(--ink-3); text-transform: uppercase; margin-bottom: 1rem;
}
.card > p { font-size: .93rem; color: var(--ink-2); }
.facts { list-style: none; margin: 1.2rem 0 1.4rem; }
.facts li {
  position: relative; padding-left: 1.1rem; margin-bottom: .5rem;
  font-size: .875rem; color: var(--ink-2); line-height: 1.55;
}
.facts li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 5px; height: 5px; border-radius: 1px; background: var(--accent);
}
.card-foot {
  margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--line-soft);
  display: flex; align-items: center; justify-content: space-between;
  gap: .8rem; flex-wrap: wrap; font-size: .84rem;
}
.card-foot a { text-decoration: none; font-weight: 600; }
.card-foot a:hover { text-decoration: underline; }
.lic { font-family: var(--mono); font-size: .76rem; color: var(--ink-3); }

/* ── Chips ──────────────────────────────────────────────────────── */
.chip {
  display: inline-block; font-family: var(--mono);
  font-size: .68rem; font-weight: 600; letter-spacing: .03em;
  padding: .22rem .55rem; border-radius: 5px; white-space: nowrap;
}
.chip-live { color: var(--ok); background: var(--ok-bg); }
.chip-wip  { color: var(--wip); background: var(--wip-bg); }

/* ── Principles ─────────────────────────────────────────────────── */
.principles {
  list-style: none; margin: 2.6rem 0 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 2.2rem 3rem;
}
@media (max-width: 820px) { .principles { grid-template-columns: 1fr; gap: 1.9rem; } }
.principles li { position: relative; padding-top: .3rem; }
.principles .num {
  display: block; font-family: var(--mono); font-size: .78rem;
  font-weight: 700; color: var(--accent); margin-bottom: .5rem;
  letter-spacing: .08em;
}
.principles h3 { margin-bottom: .5rem; font-size: 1.1rem; }
.principles p { font-size: .93rem; }
.principles em { color: var(--ink); font-style: normal; font-weight: 600; }

/* ── Licence cards ──────────────────────────────────────────────── */
.lic-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem; margin-top: 3.2rem;
}
@media (max-width: 820px) { .lic-grid { grid-template-columns: 1fr; } }
.lic-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 11px; padding: 1.6rem;
}
.lic-card.lic-strong { background: var(--accent-bg); border-color: var(--accent); }
.lic-card h3 { font-family: var(--mono); font-size: .95rem; color: var(--ink); }
.lic-card.lic-strong h3 { color: var(--accent); }
.lic-what {
  font-size: .82rem; color: var(--ink-3);
  margin: .3rem 0 .9rem; font-weight: 500;
}
.lic-card > p:last-child { font-size: .92rem; color: var(--ink-2); }
.lic-card em { font-style: italic; color: var(--ink); }

/* ── Status list ────────────────────────────────────────────────── */
.status-list { margin-top: 2.4rem; }
.status-list dt {
  display: flex; align-items: center; gap: .7rem;
  font-weight: 700; font-size: 1rem; color: var(--ink);
  margin-top: 1.8rem;
}
.status-list dt:first-child { margin-top: 0; }
.status-list dd {
  margin: .55rem 0 0 0; padding-left: 1.1rem;
  border-left: 2px solid var(--line);
  font-size: .94rem;
}

/* ── Contact ────────────────────────────────────────────────────── */
.band-end { border-bottom: none; }
.fineprint { margin-top: 1.8rem; font-size: .86rem; color: var(--ink-3); font-style: italic; }

/* ── Footer ─────────────────────────────────────────────────────── */
.footer { background: var(--bg); border-top: 1px solid var(--line); padding: 3rem 0 1.8rem; }
.footer-inner {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 2rem; flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; flex-wrap: wrap; gap: .55rem; }
.footer-brand p {
  flex-basis: 100%; margin-top: .4rem;
  font-size: .86rem; color: var(--ink-3);
}
.footer-links { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.footer-links a {
  color: var(--ink-2); text-decoration: none; font-size: .89rem; font-weight: 500;
}
.footer-links a:hover { color: var(--accent); }
.footer-note {
  margin-top: 2.4rem; padding-top: 1.4rem; border-top: 1px solid var(--line-soft);
}
.footer-note p { font-family: var(--mono); font-size: .74rem; color: var(--ink-3); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .btn-solid:hover, .card:hover { transform: none; }
}