/* waggle.sh — engineering white. Monospace voice, high contrast, flat. */

:root {
  --bg:        #ffffff;
  --bg-soft:   #f6f6f4;
  --ink:       #141414;
  --ink-soft:  #2e2f34;
  --muted:     #6a6b70;
  --faint:     #9b9ca1;
  --line:      #e6e6e2;
  --line-mid:  #d3d3ce;
  --rule:      #141414;
  --accent:    #b8791a;   /* honey, sharpened — used sparingly */
  --accent-bg: #faf3e6;
  --green:     #1f7a3f;
  --green-bg:  #eef6f0;
  --red:       #b23b30;
  --red-bg:    #fbefed;
  --code-bg:   #141414;
  --code-ink:  #ededea;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0; font-family: var(--sans); color: var(--ink); background: var(--bg);
  line-height: 1.6; font-size: 16.5px; -webkit-font-smoothing: antialiased;
}

/* monospace is the structural voice */
h1, h2, h3, .mono, .kicker, .eyebrow, .site-nav, .brand, .btn, .who, .label,
.install-row .label, .link-card h3, .card h3, .card .tag { font-family: var(--mono); }
h1, h2, h3 { font-weight: 600; line-height: 1.14; letter-spacing: -0.02em; color: var(--ink); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
code, pre { font-family: var(--mono); }

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 30px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 22px;
  padding: 14px 30px; background: rgba(255,255,255,0.9);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 18px; color: var(--ink); letter-spacing: -0.02em; }
.brand img { width: 26px; height: 26px; }
.site-nav { margin-left: auto; display: flex; gap: 20px; align-items: center; font-size: 13.5px; }
.site-nav a { color: var(--ink-soft); }
.site-nav a:hover { color: var(--accent); text-decoration: none; }
.site-nav .ghost { border: 1px solid var(--rule); border-radius: 3px; padding: 6px 12px; color: var(--ink); }
.site-nav .ghost:hover { background: var(--ink); color: #fff; }
@media (max-width: 760px) { .site-nav a:not(.ghost) { display: none; } }

/* ---------- hero ---------- */
.hero { padding: 76px 0 44px; text-align: center; }
.kicker, .eyebrow { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.hero .kicker { margin-bottom: 22px; }
.hero .hero-contrast { font-family: var(--mono); font-weight: 400; font-size: clamp(17px, 2.4vw, 24px); color: var(--faint); margin: 0 0 6px; letter-spacing: -0.01em; }
.hero h1 { font-size: clamp(34px, 5.4vw, 58px); margin: 0 0 22px; letter-spacing: -0.03em; }
.hero .lede { font-family: var(--sans); font-size: clamp(17px, 2.2vw, 20px); color: var(--muted); max-width: 700px; margin: 0 auto 30px; line-height: 1.55; }
.hero .lede strong { color: var(--ink); font-weight: 600; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border-radius: 3px; font-size: 13.5px; font-weight: 500; border: 1px solid var(--rule); letter-spacing: -0.01em; }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #000; text-decoration: none; }
.btn-ghost { background: #fff; color: var(--ink); }
.btn-ghost:hover { background: var(--bg-soft); text-decoration: none; }
.hero-visual { max-width: 940px; margin: 0 auto; }
.hero-visual img { width: 100%; height: auto; border: 1px solid var(--line-mid); border-radius: 4px; display: block; }

/* ---------- sections ---------- */
section { padding: 66px 0; border-top: 1px solid var(--line); }
section.plain { border-top: none; }
.eyebrow { margin-bottom: 14px; }
section h2 { font-size: clamp(25px, 3.4vw, 36px); margin: 0 0 18px; letter-spacing: -0.03em; }
.section-lede { font-size: 18px; color: var(--muted); max-width: 740px; margin: 0 0 30px; }
.prose { max-width: 740px; }
.prose p { margin: 0 0 18px; color: var(--ink-soft); }
.prose p strong { color: var(--ink); font-weight: 600; }

.figure { margin: 30px 0 6px; }
.figure img { width: 100%; height: auto; border: 1px solid var(--line-mid); border-radius: 4px; display: block; }
.figure figcaption { font-family: var(--mono); font-size: 12.5px; color: var(--faint); text-align: center; margin-top: 12px; }

/* ---------- three-semantics cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 28px; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
@media (max-width: 820px) { .cards { grid-template-columns: 1fr; } }
.card { background: #fff; padding: 24px; min-width: 0; border-right: 1px solid var(--line); }
.card:last-child { border-right: none; }
@media (max-width: 820px) { .card { border-right: none; border-bottom: 1px solid var(--line); } .card:last-child { border-bottom: none; } }
.card.accent { background: var(--accent-bg); }
.card h3 { font-size: 17px; margin: 0 0 6px; letter-spacing: -0.01em; }
.card .tag { font-size: 11.5px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.card p { margin: 12px 0 0; font-size: 15px; color: var(--ink-soft); font-family: var(--sans); }
.card.accent .tag { color: var(--accent); }

/* ---------- code ---------- */
pre {
  background: var(--code-bg); color: var(--code-ink);
  padding: 16px 18px; border-radius: 4px; overflow-x: auto;
  font-size: 13px; line-height: 1.62; margin: 18px 0; max-width: 100%;
  border: 1px solid #000;
}
pre code { white-space: pre; }
pre .c { color: #8f8f86; }
pre .k { color: #d99a3a; }
pre .s { color: #8fbf7f; }
pre .m { color: #d98070; }
:not(pre) > code { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 3px; padding: 1px 6px; font-size: 0.86em; color: var(--red); }

.step { display: grid; grid-template-columns: 32px 1fr; gap: 16px; margin: 24px 0; align-items: start; }
.step .n {
  width: 32px; height: 32px; border-radius: 3px; background: var(--ink); color: #fff;
  display: grid; place-items: center; font-family: var(--mono); font-weight: 600; font-size: 14px;
}
.step .body { min-width: 0; }
.step .body h3 { font-size: 17px; margin: 3px 0 6px; letter-spacing: -0.01em; }
.step .body p { margin: 0 0 8px; color: var(--ink-soft); font-size: 15.5px; font-family: var(--sans); }

/* ---------- install list ---------- */
.install-list { display: flex; flex-direction: column; gap: 0; margin-top: 24px; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.install-row { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 18px; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.install-row:last-child { border-bottom: none; }
.install-row .label { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.install-row pre { margin: 0; min-width: 0; }
@media (max-width: 620px) {
  .install-row { grid-template-columns: 1fr; gap: 8px; }
  .install-row .label { color: var(--accent); }
}

/* ---------- first-person personas ---------- */
.persona { border-left: 2px solid var(--accent); padding: 2px 0 2px 24px; margin: 26px 0; max-width: 810px; }
.persona.s { border-left-color: var(--green); }
.persona.x { border-left-color: var(--ink); }
.persona .who { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.persona.s .who { color: var(--green); }
.persona.x .who { color: var(--ink); }
.persona p { margin: 0; color: var(--ink-soft); font-size: 16px; line-height: 1.62; font-family: var(--sans); }

/* ---------- callout ---------- */
.callout { background: var(--bg-soft); border: 1px solid var(--line); border-left: 2px solid var(--ink); border-radius: 4px; padding: 18px 20px; margin: 26px 0; }
.callout p { margin: 0; color: var(--ink-soft); font-size: 15.5px; font-family: var(--sans); }
.callout.green { border-left-color: var(--green); background: var(--green-bg); }

/* ---------- deeper links ---------- */
.links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; margin-top: 24px; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
@media (max-width: 760px) { .links { grid-template-columns: 1fr; } }
.link-card { display: block; background: #fff; padding: 22px 24px; color: var(--ink); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-width: 0; }
.link-card:nth-child(even) { border-right: none; }
.link-card:hover { background: var(--bg-soft); text-decoration: none; }
.link-card h3 { font-size: 16px; margin: 0 0 6px; letter-spacing: -0.01em; }
.link-card p { margin: 0; color: var(--muted); font-size: 14px; font-family: var(--sans); }
.link-card .arrow { color: var(--accent); }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--rule); padding: 44px 0 56px; text-align: center; color: var(--muted); }
.site-footer .quote { font-family: var(--mono); font-size: 15px; color: var(--ink-soft); margin: 0 0 18px; letter-spacing: -0.01em; }
.site-footer .meta { font-family: var(--mono); font-size: 12.5px; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--accent); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  body { font-size: 16px; }
  .wrap { padding: 0 22px; }
  section { padding: 52px 0; }
  .hero { padding: 56px 0 34px; }
  .site-header { gap: 14px; padding: 12px 20px; }
}
@media (max-width: 620px) {
  .wrap { padding: 0 18px; }
  section { padding: 40px 0; }
  .hero { padding: 40px 0 26px; }
  .hero h1 { font-size: 32px; }
  h2 { font-size: 24px !important; }
  .section-lede, .hero .lede { font-size: 16.5px; }
  pre { font-size: 12px; padding: 14px 15px; }
  .btn { padding: 10px 16px; font-size: 13px; }
  .step { grid-template-columns: 26px 1fr; gap: 12px; }
  .step .n { width: 26px; height: 26px; font-size: 12px; }
}