/* Recalc — static product site styles. Ink navy + one warm accent.
   Shares the visual system of the Sheetmark site so the two properties
   read as one family. Hand-written, self-contained, light + dark. */

:root {
  color-scheme: light dark;

  --bg:        #f5f2ec;
  --bg-elev:   #fffdf9;
  --bg-band:   #efeadf;
  --ink:       #16243c;
  --ink-soft:  #4a5670;
  --ink-faint: #6b7488;
  --line:      #e0d9cb;
  --line-soft: #ece6da;
  --accent:    #bd621f;
  --accent-in: #ffffff;
  --matched:   #1f3a63;
  --declined:  #c9a86a;
  --mismatch:  #c2551b;
  --code-bg:   #ece6da;
  --term-bg:   #14202f;
  --term-ink:  #e9edf4;
  --term-dim:  #7f93ad;
  --term-accent: #e6913f;

  --maxw: 70rem;
  --radius: 12px;
  --mono: ui-monospace, "SF Mono", "SFMono-Regular", "Menlo", "Consolas", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #0a1420;
    --bg-elev:   #101d2e;
    --bg-band:   #0d1826;
    --ink:       #e9edf4;
    --ink-soft:  #a3b2c8;
    --ink-faint: #79879d;
    --line:      #1e2d43;
    --line-soft: #182437;
    --accent:    #e6913f;
    --accent-in: #10131a;
    --matched:   #4f7bb8;
    --declined:  #b99a5d;
    --mismatch:  #e06a2c;
    --code-bg:   #17263a;
    --term-bg:   #0c1826;
    --term-ink:  #e9edf4;
    --term-dim:  #6b7d96;
    --term-accent: #e6913f;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(1.1rem, 4vw, 2.5rem);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--code-bg);
  padding: 0.12em 0.4em;
  border-radius: 5px;
  white-space: nowrap;
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; font-weight: 650; }

/* ---------- Header ---------- */

.site {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  gap: 1rem;
}
.brand {
  color: var(--ink);
  font-weight: 680;
  letter-spacing: -0.02em;
  font-size: 1.12rem;
}
.brand:hover { text-decoration: none; }
.nav { display: flex; gap: clamp(0.7rem, 2.4vw, 1.6rem); font-size: 0.94rem; align-items: center; }
.nav a { color: var(--ink-soft); white-space: nowrap; }
.nav a:hover { color: var(--accent); text-decoration: none; }
.nav a.nav-cta {
  color: var(--accent);
  font-weight: 600;
}
.nav-hide { }
@media (max-width: 720px) {
  .nav-hide { display: none; }
}

/* ---------- Hero ---------- */

.hero { padding-block: clamp(3rem, 8vw, 5.5rem) clamp(2rem, 5vw, 3.5rem); }
.eyebrow {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
}
.hero h1 {
  font-size: clamp(2.05rem, 6vw, 3.6rem);
  margin: 0 0 1.3rem;
  max-width: 20ch;
}
.hero h1 .hl { color: var(--matched); }
@media (prefers-color-scheme: dark) { .hero h1 .hl { color: var(--accent); } }

.lede {
  font-size: clamp(1.05rem, 2.2vw, 1.26rem);
  color: var(--ink-soft);
  max-width: 62ch;
  margin: 0 0 1.9rem;
}
.lede em { color: var(--ink); font-style: normal; font-weight: 600; }

.cta-row { display: flex; flex-wrap: wrap; gap: 0.8rem; align-items: center; }
.btn {
  display: inline-block;
  padding: 0.72rem 1.35rem;
  border-radius: 9px;
  border: 1px solid var(--line);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--ink);
  background: var(--bg-elev);
  transition: transform 0.06s ease, border-color 0.15s ease;
}
.btn:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-1px); }
.btn.primary { background: var(--accent); color: var(--accent-in); border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.05); }

/* Hero grid figure — the same cell-grid motif as Sheetmark */
.grid-figure { margin-top: clamp(2.2rem, 6vw, 3.6rem); max-width: 560px; }
.grid-figure .cell rect { stroke: var(--line-soft); stroke-width: 1; }
.cell.matched  rect { fill: color-mix(in srgb, var(--matched) 20%, var(--bg-elev)); }
.cell.declined rect { fill: color-mix(in srgb, var(--declined) 40%, var(--bg-elev)); }
.cell.mismatch rect { fill: var(--mismatch); }
.grid-legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  padding: 0;
  margin: 1.1rem 0 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.grid-legend li { display: inline-flex; align-items: center; gap: 0.5rem; }
.swatch { width: 13px; height: 13px; border-radius: 3px; display: inline-block; }
.swatch.matched  { background: color-mix(in srgb, var(--matched) 55%, var(--bg-elev)); }
.swatch.declined { background: var(--declined); }
.swatch.mismatch { background: var(--mismatch); }

/* ---------- Sections ---------- */

.section { padding-block: clamp(2.8rem, 7vw, 4.8rem); }
.section h2 {
  font-size: clamp(1.6rem, 3.6vw, 2.3rem);
  margin: 0 0 1.2rem;
  max-width: 24ch;
}
.band {
  background: var(--bg-band);
  border-block: 1px solid var(--line);
}

.section-lede {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 68ch;
  margin: 0 0 1.15rem;
}
.section-lede strong { color: var(--ink); }
.section-lede em { color: var(--ink); font-style: normal; font-weight: 600; }
.provenance {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink-faint);
  margin: -0.4rem 0 1.4rem;
  line-height: 1.7;
}

/* Two-option problem cards */
.options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.1rem;
  margin-top: 1.8rem;
}
.option {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.4rem;
}
.option h3 { font-size: 1.1rem; margin: 0 0 0.6rem; }
.option p { margin: 0; color: var(--ink-soft); font-size: 0.98rem; }
.option .verdict {
  display: inline-block;
  margin-bottom: 0.8rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mismatch);
}

/* Pillars + cards */
.pillars, .cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.1rem;
  margin-top: 1.8rem;
}
.pillar, .card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.3rem 1.35rem;
}
.pillar h3, .card h3 {
  font-size: 1.06rem;
  margin: 0 0 0.55rem;
}
.card h3 { color: var(--accent); font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; }
.pillar p, .card p { margin: 0; color: var(--ink-soft); font-size: 0.98rem; }

/* Pull-quote */
.pullquote {
  border-left: 3px solid var(--accent);
  padding: 0.4rem 0 0.4rem 1.3rem;
  margin: 1.8rem 0;
  font-size: 1.15rem;
  color: var(--ink);
  max-width: 64ch;
}
.pullquote strong { color: var(--accent); }

/* ---------- Funnel ---------- */

.funnel { margin: 1.8rem 0 1.6rem; }
.funnel-bar {
  display: flex;
  height: 58px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-elev);
}
.seg {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding-left: 0.8rem;
  min-width: 0;
  color: #fff;
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 600;
  overflow: hidden;
}
.seg.matched  { background: var(--matched); }
.seg.declined { background: var(--declined); color: #2a1e07; }
.seg.mismatch { background: var(--mismatch); }
.seg-label { white-space: nowrap; }

.buckets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.1rem;
  margin-bottom: 2.2rem;
}
.bucket {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-left-width: 4px;
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
}
.bucket.matched  { border-left-color: var(--matched); }
.bucket.declined { border-left-color: var(--declined); }
.bucket.mismatch { border-left-color: var(--mismatch); }
.bucket-tag {
  font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-faint); margin: 0 0 0.5rem; font-family: var(--mono);
}
.bucket-num {
  font-family: var(--mono);
  font-size: clamp(1.7rem, 4vw, 2.15rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}
.bucket-sub { margin: 0.1rem 0 0.7rem; font-size: 0.86rem; color: var(--ink-soft); font-family: var(--mono); }
.bucket-note { margin: 0; font-size: 0.92rem; color: var(--ink-soft); }

/* ---------- Tables ---------- */

.table-scroll { overflow-x: auto; margin: 1.6rem 0; -webkit-overflow-scrolling: touch; }
table.data {
  width: 100%;
  border-collapse: collapse;
  min-width: 34rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
table.data th, table.data td { padding: 0.85rem 1.1rem; text-align: left; vertical-align: top; }
table.data thead th {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  background: color-mix(in srgb, var(--ink) 5%, transparent);
  border-bottom: 1px solid var(--line);
  font-weight: 600;
}
table.data thead th:not(:first-child) { text-align: right; }
table.data tbody tr + tr th, table.data tbody tr + tr td { border-top: 1px solid var(--line-soft); }
table.data tbody th[scope="row"] { font-weight: 600; color: var(--ink); max-width: 26rem; }
table.data tbody td {
  font-family: var(--mono);
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  color: var(--ink-soft);
}
table.data td.big { color: var(--ink); font-size: 1.12rem; font-weight: 600; }
.th-sub { display: block; font-weight: 400; font-size: 0.86rem; color: var(--ink-faint); margin-top: 0.15rem; }
.th-sub code { font-size: 0.8em; }

.notes { margin: 0.5rem 0 1.4rem; padding-left: 1.1rem; color: var(--ink-soft); }
.notes li { margin-bottom: 0.5rem; }
.notes strong { color: var(--ink); }

.aside {
  border-left: 3px solid var(--accent);
  padding: 0.2rem 0 0.2rem 1.1rem;
  margin: 1.5rem 0;
  color: var(--ink-soft);
  max-width: 70ch;
}
.aside em { color: var(--ink); font-style: normal; font-weight: 600; }

.doc-links { margin-top: 1.8rem; color: var(--ink-soft); font-size: 1.02rem; }

/* ---------- How it works: steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.1rem;
  margin-top: 1.8rem;
  counter-reset: step;
}
.step {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.3rem 1.35rem;
  position: relative;
}
.step h3 { font-size: 1.05rem; margin: 0 0 0.5rem; display: flex; align-items: baseline; gap: 0.6rem; }
.step .step-n {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 700;
}
.step p { margin: 0; color: var(--ink-soft); font-size: 0.96rem; }

/* ---------- Install / terminal blocks ---------- */

.install {
  background: var(--term-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.3rem;
  margin: 1.6rem 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.install pre {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--term-ink);
  white-space: pre;
}
.install .prompt { color: var(--term-accent); user-select: none; }
.install .comment { color: var(--term-dim); }
.install code { background: none; padding: 0; white-space: pre; font-size: inherit; color: inherit; }

.bindings {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.1rem;
  margin-top: 1.6rem;
}
.binding {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
}
.binding h3 {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.5rem;
}
.binding p { margin: 0 0 0.7rem; color: var(--ink-soft); font-size: 0.95rem; }
.binding .cmd {
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--ink);
  background: var(--code-bg);
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
  display: block;
  overflow-x: auto;
  white-space: nowrap;
}

/* ---------- Pricing / terms ---------- */

.price-hero {
  padding-block: clamp(2.6rem, 7vw, 4rem) clamp(1.4rem, 4vw, 2.2rem);
}
.price-tag {
  font-family: var(--mono);
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin: 0.4rem 0 0.2rem;
}
.price-tag .per { font-size: 0.4em; color: var(--ink-faint); font-weight: 500; letter-spacing: 0; }
.price-block {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem 1.7rem;
  margin: 1.8rem 0;
  max-width: 56ch;
  font-size: 1.1rem;
  color: var(--ink);
}
.price-block strong { color: var(--accent); }

.terms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.1rem;
  margin-top: 1.8rem;
}
.term {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
}
.term h3 {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: var(--mono);
  color: var(--ink-faint);
  margin: 0 0 0.55rem;
}
.term p { margin: 0; color: var(--ink-soft); font-size: 0.98rem; }
.term p strong { color: var(--ink); }

.checklist { list-style: none; padding: 0; margin: 1.6rem 0; max-width: 64ch; }
.checklist li {
  position: relative;
  padding-left: 1.7rem;
  margin-bottom: 0.85rem;
  color: var(--ink-soft);
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent);
}
.checklist li strong { color: var(--ink); }

.who {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.1rem;
  margin-top: 1.6rem;
}
.who div {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.3rem;
  color: var(--ink-soft);
  font-size: 0.96rem;
}
.who strong { color: var(--ink); display: block; margin-bottom: 0.3rem; }

/* ---------- FAQ ---------- */

.faq { margin-top: 1.6rem; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 2.2rem 1.1rem 0;
  position: relative;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0.2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 1.4rem;
  color: var(--accent);
  line-height: 1;
}
.faq details[open] summary::after { content: "−"; }
.faq details p {
  margin: 0 0 1.2rem;
  color: var(--ink-soft);
  max-width: 72ch;
}
.faq details p:last-child { margin-bottom: 1.2rem; }

/* ---------- Final CTA ---------- */

.final-cta { text-align: left; }
.final-cta h2 { max-width: 22ch; }

/* ---------- Footer ---------- */

.site-foot {
  border-top: 1px solid var(--line);
  background: var(--bg-band);
  padding-block: 2.6rem;
  margin-top: 1rem;
}
.trademark {
  color: var(--ink-soft);
  font-size: 0.92rem;
  max-width: 78ch;
  margin: 0 0 1rem;
}
.foot-meta {
  color: var(--ink-faint);
  font-size: 0.85rem;
  margin: 0;
}
.foot-meta a { color: var(--ink-soft); }

/* ---------- Responsive ---------- */

@media (max-width: 620px) {
  body { font-size: 16px; }
  .nav { gap: 0.9rem; font-size: 0.88rem; }
  .brand { font-size: 1rem; }
  .seg { font-size: 0.8rem; padding-left: 0.5rem; }
  .seg.mismatch { min-width: 4px; }
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}