/* ==========================================================================
   Finmak — shared site styles
   Design concept: a "ledger" — ruled paper, warm ink, a teal that reads as
   money-trustworthy without being generic SaaS blue, an amber accent that
   nods to an official stamp/seal. Fraunces for headings (document weight),
   Work Sans for body/UI, IBM Plex Mono wherever real figures line up.
   ========================================================================== */

:root {
  --ink: #1b1f1d;
  --ink-soft: #3a4440;
  --muted: #6b6558;
  --paper: #f6f4ee;
  --paper-raised: #ffffff;
  --rule: #d9d3c4;
  --teal: #0f6b5c;
  --teal-deep: #0a4b41;
  --teal-tint: #e4efec;
  --amber: #b8862f;
  --amber-tint: #f6ecd8;
  --danger: #a33d2c;

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Work Sans", -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --max: 1120px;
  --radius: 6px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #efeae0;
    --ink-soft: #cfc9bb;
    --muted: #a6a296;
    --paper: #12201b;
    --paper-raised: #17281f;
    --rule: #2c3b35;
    --teal: #4bb69c;
    --teal-deep: #74cdb5;
    --teal-tint: #1b3a30;
    --amber: #dcac57;
    --amber-tint: #3a2f18;
    --danger: #d98069;
  }
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
}

a {
  color: var(--teal-deep);
}

@media (prefers-color-scheme: dark) {
  a {
    color: var(--teal);
  }
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.15;
  text-wrap: balance;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); font-weight: 600; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 600; }
h3 { font-size: 1.15rem; font-weight: 600; }

p { margin: 0 0 1em; max-width: 62ch; }

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-deep);
}

@media (prefers-color-scheme: dark) {
  .eyebrow { color: var(--teal); }
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-inline: 24px;
}

/* ---- header / nav ------------------------------------------------------ */

.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 16px;
  gap: 16px;
  flex-wrap: wrap;
}

.wordmark {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.wordmark span {
  color: var(--teal);
}

.site-nav {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-nav a:hover { color: var(--teal-deep); }

/* ---- buttons ------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.7em 1.3em;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--teal);
  color: #fdfdf9;
}
.btn-primary:hover { background: var(--teal-deep); }

.btn-secondary {
  background: transparent;
  border-color: var(--rule);
  color: var(--ink);
}
.btn-secondary:hover { border-color: var(--teal); color: var(--teal-deep); }

.btn-amber {
  background: var(--amber);
  color: #2a1f0c;
}
.btn-amber:hover { filter: brightness(0.94); }

.btn-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---- hero ---------------------------------------------------------------- */

.hero {
  border-bottom: 1px solid var(--rule);
  background:
    linear-gradient(var(--paper), var(--paper)),
    repeating-linear-gradient(
      to bottom,
      transparent,
      transparent 39px,
      var(--rule) 40px
    );
  background-blend-mode: normal;
}

.hero .wrap {
  padding-block: 64px 56px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: center;
}

@media (max-width: 780px) {
  .hero .wrap { grid-template-columns: 1fr; padding-block: 40px 36px; }
}

.hero p.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 46ch;
}

.hero-card {
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 1px 0 var(--rule);
}

.hero-card .stamp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal-deep);
  border: 1px solid var(--teal);
  border-radius: 999px;
  padding: 4px 10px;
  margin-bottom: 14px;
}

@media (prefers-color-scheme: dark) {
  .hero-card .stamp { color: var(--teal); }
}

.ledger-row {
  display: flex;
  justify-content: space-between;
  padding-block: 9px;
  border-bottom: 1px dashed var(--rule);
  font-size: 0.92rem;
}
.ledger-row:last-child { border-bottom: none; }
.ledger-row .label { color: var(--muted); }
.ledger-row .value { font-family: var(--font-mono); }

/* ---- product grid -------------------------------------------------------- */

.section {
  padding-block: 56px;
  border-bottom: 1px solid var(--rule);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

@media (max-width: 720px) {
  .product-grid { grid-template-columns: 1fr; }
}

.product-card {
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.product-card:hover {
  border-color: var(--teal);
  transform: translateY(-2px);
}

.product-card .num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}

.product-card ul {
  margin: 0;
  padding-left: 1.1em;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.product-card .go {
  margin-top: auto;
  font-weight: 600;
  color: var(--teal-deep);
  font-size: 0.92rem;
}

@media (prefers-color-scheme: dark) {
  .product-card .go { color: var(--teal); }
}

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--teal-tint);
  color: var(--teal-deep);
  padding: 3px 9px;
  border-radius: 4px;
  width: fit-content;
}

@media (prefers-color-scheme: dark) {
  .tag { color: var(--teal); }
}

/* ---- feature list --------------------------------------------------------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

@media (max-width: 860px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .feature-grid { grid-template-columns: 1fr; }
}

.feature {
  border-top: 2px solid var(--teal);
  padding-top: 14px;
}

.feature .num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}

.feature p { font-size: 0.94rem; color: var(--ink-soft); }

/* ---- downloads ------------------------------------------------------------ */

.download-panel {
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 700px) {
  .download-panel { grid-template-columns: 1fr; }
}

.download-option {
  padding: 18px;
  border: 1px dashed var(--rule);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.download-option .platform {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.download-option .filesize {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--muted);
}

.note {
  font-size: 0.86rem;
  color: var(--muted);
}

.note.warn {
  color: var(--danger);
}

.download-option.pending {
  opacity: 0.6;
}

/* ---- cta ------------------------------------------------------------------ */

.cta {
  background: var(--teal);
  color: #fdfdf9;
  border-radius: var(--radius);
  padding: 36px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.cta h2 { color: #fdfdf9; margin-bottom: 6px; }
.cta p { color: #dcefe9; margin: 0; }

.cta .btn-primary {
  background: var(--amber);
  color: #2a1f0c;
}
.cta .btn-primary:hover { filter: brightness(0.94); }

/* ---- footer ----------------------------------------------------------------- */

.site-footer {
  padding-block: 40px;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--teal-deep); }

/* ---- misc page bits ---------------------------------------------------------- */

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--teal-deep); }

.list-check {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.list-check li {
  padding-left: 1.6em;
  position: relative;
  color: var(--ink-soft);
}
.list-check li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
}