@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,wght@0,300;0,400;0,500;1,400&display=swap');

/* ============================================================
   Integrand Labs — shared stylesheet
   Plain CSS, no build step. Editorial register: cream paper,
   big Newsreader serif, Inter body, JetBrains Mono micro-labels,
   numbered rows, hairlines, one warm micro-accent.
   NOTE: the var names below are consumed by demos/*.css —
   values may change, names must not.
   ============================================================ */

:root {
  /* palette (legacy names preserved — demos depend on them) */
  --paper:      #f6f3ec;   /* warm cream background */
  --paper-2:    #ede8db;   /* deeper panel */
  --ink:        #191713;   /* near-black text */
  --muted:      #6c665a;   /* secondary text */
  --line:       #ddd5c4;   /* borders */
  --accent:     #2e5f54;   /* desaturated teal — links + demo chrome */
  --accent-ink: #1f4239;   /* hover teal */
  --warm:       #b4541f;   /* burnt sienna — editorial micro-accent */

  /* type */
  --serif: "Newsreader", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, "Courier New", monospace;

  /* surfaces + rules */
  --card:     #fdfbf5;     /* raised surface */
  --hairline: #e6dfd0;     /* lighter rule */

  /* scale */
  --maxw: 1120px;
  --gap:  clamp(1rem, 2vw, 1.5rem);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---------- layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
section { padding: clamp(3.25rem, 7.5vw, 6rem) 0; }
.section-sm { padding: clamp(2rem, 5vw, 3.5rem) 0; }
section + section { border-top: 1px solid var(--hairline); }

/* ---------- micro-labels (mono) ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 1.6rem;
}
.eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--muted); flex: none; }

.mono-label {
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.mono-label.warm { color: var(--warm); }

/* ---------- type ---------- */
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.06; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.7rem, 6.5vw, 4.4rem); line-height: 1.04; margin: 0 0 1.4rem; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); margin: 0 0 1rem; }
h3 { font-size: 1.35rem; margin: 0 0 0.4rem; line-height: 1.2; }
h1 em, h2 em { font-style: italic; font-weight: 400; }
p  { margin: 0 0 1rem; max-width: 62ch; }
.lead { font-size: clamp(1.05rem, 1.7vw, 1.22rem); color: var(--muted); max-width: 56ch; line-height: 1.6; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-ink); }
.muted { color: var(--muted); }

.sec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.sec-head .counter { font-family: var(--mono); font-size: 0.7rem; color: var(--muted); letter-spacing: 0.12em; flex: none; }

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--hairline);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.il-wordmark {
  font-family: "Newsreader", "Iowan Old Style", Palatino, Georgia, serif;
  font-weight: 500;
  font-size: 1.75rem;           /* scale this up/down to taste */
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.il-int { color: var(--warm); letter-spacing: -0.01em; }   /* sienna accent ∫ */
.il-labs { font-weight: 300; margin-left: 0.32em; color: #4a443a; }
.nav-links { display: flex; gap: 1.6rem; align-items: center; flex-wrap: wrap; }
.nav-links a { color: var(--ink); text-decoration: none; font-size: 0.85rem; }
.nav-links a:hover { color: var(--accent); }
.nav-links a.btn-primary { color: var(--paper); }
.nav-links a.btn-primary:hover { color: var(--paper); }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.4rem; cursor: pointer; color: var(--ink); line-height: 1; }

/* Mobile header nav — scoped to .site-header so the footer nav is unaffected */
@media (max-width: 760px) {
  .site-header .nav-toggle { display: block; }
  .site-header .nav-links {
    display: none; position: absolute; top: 60px; right: 0; left: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 0.5rem 24px 1rem;
  }
  .site-header .nav-links.open { display: flex; }
  .site-header .nav-links a { padding: 0.65rem 0; width: 100%; }
  .site-header .nav-links .cta { margin-top: 0.4rem; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.72rem 1.35rem;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .04s ease, background .15s ease, border-color .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: #000; color: var(--paper); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }

/* ---------- hero ---------- */
.hero { padding-top: clamp(3.25rem, 7vw, 5.5rem); }
.hero .lead { margin: 0 0 2rem; }
.hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; align-items: center; }
.hero-note { margin-top: 1.6rem; font-size: 0.84rem; color: var(--muted); }
.hero-center { text-align: center; }
.hero-center .lead, .hero-center p { margin-left: auto; margin-right: auto; }
.hero-center .hero-actions { justify-content: center; }
.hero-center .eyebrow { justify-content: center; }

/* ---------- numbered rows (replaces boxy cards) ---------- */
.rows { margin: 0; padding: 0; list-style: none; }
.row {
  display: grid;
  grid-template-columns: 3.5rem 1fr auto;
  gap: 0 1.2rem;
  align-items: baseline;
  padding: 1.5rem 0.6rem 1.6rem 0.2rem;
  border-top: 1px solid var(--hairline);
  position: relative;
}
.rows > .row:last-child { border-bottom: 1px solid var(--hairline); }
.row-num { font-family: var(--mono); font-size: 0.7rem; color: var(--warm); letter-spacing: 0.08em; }
.row-main h3 { margin: 0 0 0.35rem; }
.row-main p { margin: 0 0 0.7rem; color: var(--muted); font-size: 0.95rem; max-width: 56ch; }
.row-aside { font-family: var(--mono); font-size: 0.85rem; color: var(--muted); text-align: right; }
.row-arrow { font-size: 1.1rem; color: var(--muted); transition: transform .12s ease, color .12s ease; }
a.row { text-decoration: none; color: inherit; transition: background .12s ease; }
a.row:hover { background: var(--card); }
a.row:hover .row-arrow { color: var(--ink); transform: translateX(3px); }
.row .control { font-size: 0.88rem; color: var(--muted); margin: 0.4rem 0 0.6rem; }
.row .control strong { color: var(--ink); font-weight: 500; }
.row .helps-line { display: block; margin-top: 0.7rem; }
@media (max-width: 700px) {
  .row { grid-template-columns: 2.1rem 1fr; }
  .row-aside { grid-column: 2; text-align: left; margin-top: 0.4rem; }
}

/* ---------- category card grid ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 980px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .card-grid { grid-template-columns: 1fr; } }

a.cat-card {
  display: flex; flex-direction: column; gap: 0.45rem;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 1.5rem 1.5rem 1.35rem;
  text-decoration: none; color: inherit;
  transition: border-color .15s ease, transform .12s ease, box-shadow .15s ease;
}
a.cat-card:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -20px rgba(25, 23, 19, 0.3);
}
.cat-card-top { display: flex; justify-content: space-between; align-items: baseline; }
.cat-card-top .row-arrow { font-size: 1rem; }
a.cat-card:hover .row-arrow { color: var(--ink); transform: translateX(3px); }
.cat-card h3 { margin: 0.15rem 0 0.1rem; font-size: 1.28rem; }
.cat-card p { color: var(--muted); font-size: 0.92rem; line-height: 1.55; margin: 0 0 1rem; }
.cat-card .chips { margin-top: auto; }

a.cat-card.catch-all {
  grid-column: 1 / -1;
  flex-direction: row; align-items: baseline; gap: 1.4rem;
  background: transparent;
  border-style: dashed;
}
.cat-card.catch-all .catch-body { flex: 1; }
.cat-card.catch-all h3 { margin: 0 0 0.2rem; }
.cat-card.catch-all p { margin: 0; }
@media (max-width: 640px) {
  a.cat-card.catch-all { flex-direction: column; gap: 0.45rem; }
}

/* ---------- pricing tier cards ---------- */
.tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; align-items: stretch; }
@media (max-width: 900px) { .tier-grid { grid-template-columns: 1fr; } }

.tier-card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 2rem 1.7rem 1.7rem;
}
.tier-card .step { display: block; margin-bottom: 0.9rem; }
.tier-card .step .num { color: var(--warm); margin-right: 0.4rem; }
.tier-card h3 { font-size: 1.5rem; margin: 0 0 1rem; }
.tier-card .price { font-size: 2.1rem; display: block; }
.tier-card .price small { margin-top: 0.35rem; }
.tier-card ul { list-style: none; margin: 1.3rem 0 1.6rem; padding: 0; border-top: 1px solid var(--hairline); }
.tier-card li { padding: 0.6rem 0.1rem; border-bottom: 1px solid var(--hairline); font-size: 0.9rem; color: var(--muted); }
.tier-card .btn { margin-top: auto; text-align: center; }
.tier-card.featured {
  border-color: var(--ink);
  box-shadow: 0 16px 40px -24px rgba(25, 23, 19, 0.35);
}
.tier-badge {
  position: absolute; top: -0.72rem; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: 0.6rem; font-weight: 500;
  letter-spacing: 0.13em; text-transform: uppercase;
  background: var(--warm); color: var(--paper);
  padding: 0.24rem 0.65rem; border-radius: 3px; white-space: nowrap;
}

/* price inside ladder rows */
.price { font-family: var(--serif); font-size: 1.55rem; letter-spacing: -0.01em; color: var(--ink); }
.price small { font-family: var(--mono); font-size: 0.68rem; color: var(--muted); letter-spacing: 0.1em; display: block; margin-top: 0.2rem; }

/* ---------- integration icon chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.chip {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-family: var(--mono); font-size: 0.62rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted);
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  padding: 0.24rem 0.55rem;
  white-space: nowrap;
}
.chip svg, .chip-ic { width: 13px; height: 13px; fill: currentColor; flex: none; }
.chips .more { font-family: var(--mono); font-size: 0.62rem; color: var(--muted); letter-spacing: 0.08em; }

/* ---------- example panels (.xmpl) — the centerpiece ---------- */
.xmpl { display: grid; grid-template-columns: minmax(300px, 380px) 1fr; gap: 1.6rem; align-items: start; margin-top: 2.5rem; }
.xmpl-tabs { display: flex; flex-direction: column; }
.xmpl-tab {
  display: grid; grid-template-columns: 2.1rem 1fr auto; gap: 0 0.8rem;
  align-items: baseline;
  text-align: left;
  background: none; border: 0; border-top: 1px solid var(--hairline);
  border-left: 2px solid transparent;
  padding: 1.05rem 0.6rem 1.1rem 0.6rem;
  font-family: var(--sans); color: var(--ink); cursor: pointer;
}
.xmpl-tabs .xmpl-tab:last-child { border-bottom: 1px solid var(--hairline); }
.xmpl-tab .row-num { font-family: var(--mono); font-size: 0.68rem; color: var(--warm); }
.xmpl-tab strong { font-family: var(--serif); font-weight: 500; font-size: 1.18rem; letter-spacing: -0.01em; display: block; }
.xmpl-tab .tab-desc { grid-column: 2; font-size: 0.85rem; color: var(--muted); line-height: 1.5; margin-top: 0.25rem; }
.xmpl-tab .chips { grid-column: 2; margin-top: 0.6rem; }
.xmpl-tab .tab-arrow { color: var(--muted); font-size: 1rem; }
.xmpl-tab:hover { background: var(--card); }
.xmpl-tab[aria-selected="true"] { background: var(--card); border-left-color: var(--warm); }

/* panel */
.xmpl-panel {
  position: relative;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 1.3rem 1.5rem 1.1rem;
  box-shadow: 0 1px 2px rgba(25, 23, 19, 0.04), 0 12px 32px -18px rgba(25, 23, 19, 0.18);
  animation: xp-fade .18s ease;
}
@keyframes xp-fade { from { opacity: 0; } to { opacity: 1; } }
.xmpl-panel[hidden] { display: none; }

.xp-label {
  font-family: var(--mono); font-size: 0.58rem; font-weight: 500;
  letter-spacing: 0.13em; text-transform: uppercase; color: var(--muted);
  border: 1px solid var(--hairline); border-radius: 3px;
  padding: 0.14rem 0.4rem; background: var(--paper);
  white-space: nowrap;
}
.xp-head {
  display: flex; justify-content: space-between; align-items: center; gap: 0.8rem; flex-wrap: wrap;
  font-family: var(--mono); font-size: 0.66rem; font-weight: 500;
  letter-spacing: 0.13em; text-transform: uppercase; color: var(--muted);
  padding-bottom: 0.85rem; border-bottom: 1px solid var(--hairline);
  margin-bottom: 1rem;
}
.xp-head-right { display: flex; align-items: center; gap: 0.7rem; white-space: nowrap; }
.xp-head .agent { color: var(--ink); }
.xp-head .agent::before { content: "+ "; color: var(--warm); }
.xp-msg { display: flex; gap: 0.55rem; font-size: 0.92rem; margin: 0 0 0.9rem; max-width: none; }
.xp-msg::before { content: "+"; color: var(--warm); font-family: var(--mono); font-size: 0.8rem; line-height: 1.7; }
.xp-user { display: flex; justify-content: flex-end; margin: 0 0 1rem; }
.xp-user span { background: var(--paper-2); border-radius: 999px; padding: 0.4rem 0.95rem; font-size: 0.88rem; color: var(--ink); }
.xp-kv { display: grid; grid-template-columns: 5.6rem 1fr; gap: 0.3rem 0.9rem; margin: 0.7rem 0 0; font-size: 0.88rem; }
.xp-kv dt { font-family: var(--mono); font-size: 0.6rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); line-height: 2.1; }
.xp-kv dd { margin: 0; }
.xp-card {
  background: #fff; border: 1px solid var(--hairline); border-radius: 8px;
  padding: 0.9rem 1.05rem; margin: 0 0 0.9rem; font-size: 0.88rem;
}
.xp-card .xp-row { display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; }
.xp-card .xp-title { font-weight: 600; font-size: 0.92rem; }
.xp-card .xp-sub { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-top: 0.25rem; }
.xp-card ul { margin: 0.4rem 0 0; padding-left: 1.1rem; }
.xp-card li { margin: 0.25rem 0; }
.xp-card li.pruned { text-decoration: line-through; color: var(--muted); }
.xp-card li.pruned .why { font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none; display: inline-block; color: var(--warm); margin-left: 0.3rem; }
.xp-flag { display: flex; gap: 0.55rem; font-size: 0.88rem; color: var(--ink); background: var(--paper); border: 1px solid var(--hairline); border-left: 2px solid var(--warm); border-radius: 6px; padding: 0.6rem 0.9rem; margin: 0 0 0.9rem; }
.xp-flag::before { content: "!"; font-family: var(--mono); color: var(--warm); font-weight: 700; }
.xp-spark { display: flex; align-items: center; gap: 0.7rem; margin-top: 0.5rem; }
.xp-spark svg { flex: none; }
.xp-spark .mono-label { font-size: 0.58rem; }
.xp-draft {
  border-left: 2px solid var(--hairline);
  padding: 0.2rem 0 0.2rem 1rem; margin: 0 0 0.9rem;
}
.xp-draft .xp-draft-head { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.35rem; }
.xp-draft .xp-draft-body { font-family: var(--serif); font-style: italic; font-size: 1.0rem; line-height: 1.5; color: var(--ink); max-width: none; margin: 0; }
.xp-foot {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  border-top: 1px solid var(--hairline); padding-top: 0.8rem; margin-top: 1rem;
  font-family: var(--mono); font-size: 0.62rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted);
}
.xp-foot a { color: var(--ink); text-decoration: none; }
.xp-foot a:hover { color: var(--accent); }
.xmpl-note { margin-top: 1.4rem; }
.xmpl-note a { color: var(--ink); }

.xmpl, .xmpl-tabs, .xmpl-panels { min-width: 0; max-width: 100%; }
.xmpl-panel { min-width: 0; }
.xmpl-tab { min-width: 0; }

@media (max-width: 880px) {
  .xmpl { grid-template-columns: 1fr; }
  .xmpl-tab .tab-desc, .xmpl-tab .chips { display: none; }
  .xmpl-tabs { flex-direction: row; flex-wrap: wrap; }
  .xmpl-tab { border: 1px solid var(--hairline); border-radius: 6px; margin: 0 0.4rem 0.4rem 0; padding: 0.55rem 0.8rem; display: flex; gap: 0.5rem; align-items: baseline; }
  .xmpl-tabs .xmpl-tab:last-child { border-bottom: 1px solid var(--hairline); }
  .xmpl-tab strong { font-size: 0.95rem; }
  .xmpl-tab .tab-arrow { display: none; }
  .xmpl-tab[aria-selected="true"] { border-color: var(--warm); border-left: 1px solid var(--warm); }
}

@media (max-width: 480px) {
  .xp-head-right { white-space: normal; flex-wrap: wrap; justify-content: flex-end; }
  .xp-card .xp-row { flex-wrap: wrap; }
}

/* ---------- legacy grid + minimal card (intake recommendation) ---------- */
.grid { display: grid; gap: var(--gap); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 820px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 1.5rem 1.6rem;
}
.card h3 { margin-top: 0; }

/* ---------- honesty / disclaimer note ---------- */
.note, .note-box {
  border-top: 1px solid var(--hairline);
  padding: 1.1rem 0 0;
  margin-top: 2.2rem;
  font-size: 0.9rem;
  color: var(--muted);
  background: none; border-left: 0; border-radius: 0;
}
.note .mono-label, .note-box .mono-label { display: block; margin-bottom: 0.45rem; }
.note p, .note-box p { margin: 0; max-width: 70ch; }

/* ---------- technical-reader block ---------- */
.tech-block {
  border: 1px solid var(--hairline);
  border-radius: 8px;
  background: var(--card);
  padding: 1.4rem 1.6rem;
  font-size: 0.92rem;
}
.tech-block .mono-label { display: block; margin-bottom: 0.8rem; }
.tech-block p, .tech-block li { color: var(--muted); }
.tech-block strong { color: var(--ink); font-weight: 600; }
.tech-block ul { margin: 0; padding-left: 1.1rem; }
.tech-block li { margin-bottom: 0.45rem; }

/* ---------- contact split ---------- */
.split { display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
@media (max-width: 760px) { .split { grid-template-columns: 1fr; } }
.split .mono-label { display: block; margin-top: 1.1rem; }

/* ---------- feature list w/ rule (kept) ---------- */
.list-plain { list-style: none; padding: 0; margin: 0; }
.list-plain li { padding: 0.9rem 0; border-bottom: 1px solid var(--hairline); }
.list-plain li:last-child { border-bottom: 0; }
.list-plain strong { font-family: var(--serif); font-weight: 500; }

/* ---------- bands (flattened — one surface site) ---------- */
.band { background: transparent; border: 0; }
.band-ink { background: transparent; color: var(--ink); }
.band-ink h2 { color: var(--ink); }
.band-ink .lead { color: var(--muted); }
.band-ink a { color: var(--accent); }

/* ---------- "Helps" line (plain mono now) ---------- */
.helps { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.45rem; margin: 0.6rem 0 0.2rem; }
.helps-label, .tag-sm {
  font-family: var(--mono); font-size: 0.62rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
  background: none; border: 0; border-radius: 0; padding: 0;
}
.tag-sm + .tag-sm::before { content: "· "; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--hairline); padding: 2.6rem 0 3rem; font-size: 0.85rem; color: var(--muted); }
.site-footer .nav { height: auto; flex-wrap: wrap; gap: 1rem; align-items: baseline; }
.site-footer .copyright { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; }
.site-footer .nav-links { flex-wrap: wrap; row-gap: 0.45rem; column-gap: 1.1rem; }
.site-footer a { color: var(--muted); text-decoration: none; font-size: 0.8rem; }
.site-footer a:hover { color: var(--ink); }
@media (max-width: 760px) {
  .site-footer .nav { flex-direction: column; align-items: flex-start; }
  .site-footer .nav-links { flex-direction: column; align-items: flex-start; gap: 0.4rem; }
}

/* ---------- forms ---------- */
.field { margin-bottom: 1.3rem; }
.field label { display: block; font-weight: 500; font-size: 0.88rem; margin-bottom: 0.4rem; }
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--sans); font-size: 0.98rem;
  padding: 0.65rem 0.8rem; border: 1px solid var(--line); border-radius: 6px;
  background: var(--card); color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--ink); outline-offset: -1px; border-color: var(--ink); }
.field .hint { font-size: 0.8rem; color: var(--muted); margin-top: 0.3rem; }
.field .has-error { border-color: var(--warm); outline-color: var(--warm); }
.field .error-msg { font-size: 0.8rem; color: var(--warm); margin: 0.3rem 0 0; font-weight: 500; }

/* ---------- demo-page chrome additions ---------- */
.demo-cta {
  margin-left: auto;
  font-family: var(--mono); font-size: 0.6rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink); text-decoration: none; white-space: nowrap;
}
.demo-cta:hover { color: var(--accent); }
@media (max-width: 720px) { .demo-cta { display: none; } }

/* utilities */
.center { text-align: center; }
.mt-1 { margin-top: 0.5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.6rem; }
.maxw-prose { max-width: 60ch; }
.crumbs { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 1.2rem; }
.crumbs a { text-decoration: none; color: var(--muted); }
.crumbs a:hover { color: var(--ink); }

/* Integrand Labs wordmark (header brand mark) */