/* FINBPM core.css
   One system. One spacing scale. One type scale.
*/

:root{
  /* Color */
  /* Light field, technical-modern */
  --c-bg: #f6f8fb;
  --c-surface: #ffffff;
  --c-surface-2: #eef2f7;
  --c-ink: #0b0f14;
  --c-ink-muted: #2f3a4a;
  --c-ink-subtle: #556173;
  --c-border: #d7dee9;
  --c-border-strong: #c9d2e0;
  --c-accent: #70F840;
  --c-accent-hover: #5FEB37;
  --c-accent-ink: #0A7A2C;
  --c-accent-soft: rgba(112,248,64,0.10);
  --c-focus: var(--c-accent-ink);
  --c-focus-soft: rgba(10,122,44,0.45);

  /* SVG compat (single source of truth) */
  --accent-1: var(--c-accent);
  --accent-2: rgba(11,15,20,0.18);
  --accent-3: var(--c-accent);

  /* Layout */
  --max: 1160px;
  --gutter: clamp(18px, 4vw, 48px);
  --gap: clamp(16px, 2.4vw, 28px);
  --radius: 14px;

  /* Motion & elevation */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 160ms var(--ease-out);
  --t: 220ms var(--ease-out);

  --shadow-1: 0 1px 2px rgba(11,15,20,0.06);
  --shadow-2: 0 6px 18px rgba(11,15,20,0.10);
  --shadow-3: 0 12px 30px rgba(11,15,20,0.14);

  /* Spacing scale */
  --s8: 8px;
  --s12: 12px;
  --s16: 16px;
  --s24: 24px;
  --s32: 32px;
  --s48: 48px;
  --s56: 56px;
  --s64: 64px;
  --s80: 80px;
  --s96: 96px;

  /* Typography */
  --fs-h1: clamp(2.35rem, 3.0vw + 1.05rem, 4.0rem);
  --fs-h2: clamp(1.7rem, 1.25vw + 1.0rem, 2.45rem);
  --fs-h3: clamp(1.15rem, 0.5vw + 1.0rem, 1.45rem);
  --fs-lead: clamp(1.05rem, 0.35vw + 0.95rem, 1.22rem);
  --fs-p: 1rem;
  --fs-small: 0.92rem;
  --fs-mono: 0.92rem;

  --lh-tight: 1.12;
  --lh-body: 1.55;
  --lh-relaxed: 1.72;
}

/* Reset */
*{ box-sizing: border-box; }
html{ height: 100%; }
body{
  min-height: 100%;
  margin: 0;
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(112,248,64,0.14), rgba(112,248,64,0) 60%),
    radial-gradient(800px 500px at 85% 0%, rgba(11,15,20,0.06), rgba(11,15,20,0) 55%),
    var(--c-bg);
  color: var(--c-ink);
  font-family: "Instrument Sans", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  font-weight: 400;
  font-size: var(--fs-p);
  line-height: var(--lh-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg{ display: block; max-width: 100%; height: auto; }

a{
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  text-decoration-color: rgba(11,15,20,0.25);
  transition: color var(--t-fast), text-decoration-color var(--t-fast);
}
a:hover{ color: var(--c-accent-ink); text-decoration-color: rgba(10,122,44,0.55); }

p{ margin: 0; }
ul, ol{ margin: 0; padding-left: 1.2em; }
li{ margin: 0; }

:focus{ outline: none; }
:focus-visible{
  outline: 2px solid var(--c-focus);
  outline-offset: 2px;
  border-radius: 10px;
}

/* Typography helpers */
.h1{ font-size: var(--fs-h1); line-height: var(--lh-tight); letter-spacing: -0.022em; margin: 0; }
.h2{ font-size: var(--fs-h2); line-height: 1.18; letter-spacing: -0.018em; margin: 0; }
.h3{ font-size: var(--fs-h3); line-height: 1.26; letter-spacing: -0.012em; margin: 0; }
.lead{ font-size: var(--fs-lead); line-height: var(--lh-relaxed); color: var(--c-ink-muted); margin: 0; }
.p{ color: var(--c-ink-muted); margin: 0; }
.small{ font-size: var(--fs-small); color: var(--c-ink-subtle); margin: 0; }

.eyebrow{
  font-size: 0.85rem;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--c-ink-subtle);
  margin: 0;
}
.kicker{
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-ink-subtle);
  margin: 0;
}
.note{
  font-size: 0.95rem;
  color: var(--c-ink-subtle);
  margin: 0;
}
.link{ color: inherit; }

/* Layout primitives */
.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding-inline: var(--gutter);
}
.section{ padding: var(--s80) 0; }
.page-hero{ padding: var(--s80) 0 var(--s48); }


/* CTA band */
.cta-band{ padding: var(--s56) 0; }
.cta-band__inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s24);
  flex-wrap: wrap;
}
.cta-band__actions{ display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.stack-16{ display: flex; flex-direction: column; gap: var(--s16); }
.stack-24{ display: flex; flex-direction: column; gap: var(--s24); }
.stack-32{ display: flex; flex-direction: column; gap: var(--s32); }
.stack-48{ display: flex; flex-direction: column; gap: var(--s48); }

.max-60{ max-width: 60ch; }

.grid{
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
  align-items: start;
}
.hero-grid{ align-items: center; }

[class^="col-"]{ grid-column: span 12; }
@media (min-width: 900px){
  .col-5{ grid-column: span 5; }
  .col-6{ grid-column: span 6; }
  .col-7{ grid-column: span 7; }
}

/* Skip link */
.skip-link{
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 10px 12px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  transform: translateY(-200%);
  z-index: 999;
}
.skip-link:focus{ transform: translateY(0); }

/* Header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(246,248,251,0.92);
  border-bottom: 1px solid var(--c-border);
  box-shadow: 0 1px 0 rgba(11,15,20,0.04);
  backdrop-filter: saturate(1.1) blur(10px);
  -webkit-backdrop-filter: saturate(1.1) blur(10px);
  transition: background var(--t-fast);
}
.site-header.scrolled{ background: rgba(246,248,251,0.98); }

.nav-bar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: var(--s16);
}

.brand{ display: inline-flex; align-items: center; gap: var(--s12); text-decoration: none; }
.brand img{ height: clamp(34px, 3.8vw, 48px); width: auto; }

.site-nav{ display: none; gap: 10px; align-items: center; }
.site-nav a{
  text-decoration: none;
  color: var(--c-ink-muted);
  font-size: 0.95rem;
  padding: 8px 10px;
  border-radius: 10px;
}
.site-nav a:hover{ color: var(--c-ink); background: var(--c-accent-soft); }
.site-nav a[aria-current="page"]{ color: var(--c-ink); background: rgba(11,15,20,0.06); }

.nav-ctas{ display: flex; align-items: center; gap: 10px; }
.nav-toggle{
  appearance: none;
  border: 1px solid var(--c-border);
  background: transparent;
  color: var(--c-ink);
  padding: 10px 12px;
  border-radius: 12px;
  font: inherit;
}
.nav-toggle:hover{ border-color: var(--c-border-strong); background: var(--c-accent-soft); }

@media (min-width: 900px){
  .site-nav{ display: flex; }
  .nav-toggle{ display: none; }
}

/* Mobile menu */
.site-menu{
  border-top: 1px solid var(--c-border);
  background: rgba(246,248,251,0.98);
  overflow: hidden;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity var(--t), transform var(--t);
}
.site-menu.is-open{ opacity: 1; transform: translateY(0); }
body.menu-open{ overflow: hidden; }

.site-menu-nav{
  display: grid;
  grid-template-columns: 1fr;
  padding: 14px var(--gutter);
  gap: 6px;
}
.site-menu-nav a{
  text-decoration: none;
  padding: 12px 10px;
  border-radius: 12px;
  color: var(--c-ink);
}
.site-menu-nav a:hover{ background: var(--c-accent-soft); }

.site-menu-ctas{
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 0 var(--gutter) 16px;
  gap: 10px;
}

/* Buttons */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  padding: 11px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  color: var(--c-ink);
  background: transparent;
  box-shadow: var(--shadow-1);
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
  white-space: nowrap;
}
.btn:hover{ background: rgba(11,15,20,0.03); border-color: var(--c-border-strong); transform: translateY(-1px); box-shadow: var(--shadow-2); }
.btn:active{ transform: translateY(0); box-shadow: var(--shadow-1); }

.btn-primary{
  background: var(--c-accent);
  border-color: rgba(0,0,0,0);
  color: #0b0f14;
  box-shadow: var(--shadow-2);
}
.btn-primary:hover{ background: var(--c-accent-hover); box-shadow: var(--shadow-3); }

.btn-secondary{ background: transparent; }
.btn-secondary:hover{ background: var(--c-accent-soft); }

.btn-row{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: flex-start;
}

/* Hero */
.hero-visual{
  /* Diagram should live on the page field, not inside a framed card. */
  border: 0;
  border-radius: 0;
  background: transparent;
  overflow: visible;
}

.flow-viz{ padding: 0; }
.flow-stage{
  position: relative;
  padding: 18px;
  /* Preserve the intended proportion, but never clip nodes when copy wraps. */
  aspect-ratio: 600 / 360;
  min-height: 300px;
}

.flow-grid{
  position: relative;
  height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1fr);
  /* Top/bottom rows should size to content so wrapped headings don't overflow. */
  grid-template-rows: max-content 1fr max-content;
  gap: 12px;
}

.flow-node{
  position: relative;
  background: rgba(255,255,255,0.96);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 10px 12px;
  /* Never overflow the grid column; shrink and wrap when space is tight. */
  width: min(220px, 100%);
  max-width: none;
  box-shadow: var(--shadow-1);
  transform: translate(0,0) scale(1);
  transition: transform var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}
.flow-node strong{ display: block; font-size: 0.95rem; color: var(--c-ink); }
.flow-node small{ display: block; margin-top: 2px; font-size: 0.86rem; color: var(--c-ink-subtle); }

.flow-node:hover,
.flow-node:focus-visible{
  transform: translate(var(--hover-x, 0px), var(--hover-y, -4px)) scale(1.02);
  border-color: var(--c-border-strong);
  box-shadow: var(--shadow-3);
  z-index: 2;
}
.flow-node:focus-visible{ outline: 2px solid var(--c-focus-soft); outline-offset: 2px; }

.flow-node.n1{ grid-column: 1; grid-row: 1; justify-self: start; align-self: start; --hover-x: -2px; --hover-y: -4px; }
.flow-node.n2{ grid-column: 2; grid-row: 2; justify-self: center; align-self: center; --hover-y: -6px; }
.flow-node.n3{ grid-column: 3; grid-row: 1; justify-self: end; align-self: start; --hover-x: 2px; --hover-y: -4px; }
.flow-node.n4{ grid-column: 1; grid-row: 3; justify-self: start; align-self: end; --hover-x: -2px; --hover-y: -2px; }
.flow-node.n5{ grid-column: 3; grid-row: 3; justify-self: end; align-self: end; --hover-x: 2px; --hover-y: -2px; }

@media (max-width: 520px){
  .flow-stage{ aspect-ratio: auto; padding: 14px; min-height: 0; }
  .flow-grid{ grid-template-columns: 1fr; grid-template-rows: auto; gap: 10px; }
  .flow-node{ max-width: none; width: 100%; }
  .flow-node.n1,
  .flow-node.n2,
  .flow-node.n3,
  .flow-node.n4,
  .flow-node.n5{ grid-column: auto; grid-row: auto; justify-self: stretch; align-self: stretch; }
}

@media (prefers-reduced-motion: reduce){
  .flow-node{ transition: none; }
  .flow-node:hover,
  .flow-node:focus-visible{ transform: none; box-shadow: 0 0 0 rgba(11,15,20,0); }
}

/* Bullets */
.bullets{
  list-style: none;
  padding-left: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px 18px;
  max-width: 44rem;
}
@media (min-width: 720px){
  .bullets.two{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.bullets li{
  position: relative;
  padding-left: 14px;
  color: var(--c-ink-muted);
}
.bullets li::before{
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--c-accent-ink);
  opacity: 0.70;
}
.bullets strong{ display: block; color: var(--c-ink); font-weight: 600; }
.bullets span{ display: block; color: var(--c-ink-subtle); font-size: 0.92rem; margin-top: 2px; }

/* Divided list */
.divider-list{ border-top: 1px solid var(--c-border); }
.divider-item{ padding: 18px 0; border-bottom: 1px solid var(--c-border); }
.divider-item .p{ margin-top: 8px; }

/* Cells grid (no card surfaces) */
.cells{
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
}
.cells > article{
  grid-column: span 12;
  padding-top: var(--s16);
  border-top: 1px solid var(--c-border);
}
.cells > article.wide{ grid-column: span 12; }

@media (min-width: 900px){
  .cells > article{ grid-column: span 4; }
  .cells > article.wide{ grid-column: span 12; }
}

/* Compare block */
.compare{
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-surface);
}
.compare-col{ padding: 18px; }
.compare-col + .compare-col{ border-top: 1px solid var(--c-border); }
.compare ul{ margin-top: 10px; }
@media (min-width: 900px){
  .compare{ grid-template-columns: 1fr 1fr; }
  .compare-col + .compare-col{ border-top: none; border-left: 1px solid var(--c-border); }
}

/* Module list */
.module-list{
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-surface);
}
.module-row{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 16px;
  border-top: 1px solid var(--c-border);
}
.module-row:first-child{ border-top: none; }
.module-row strong{ color: var(--c-ink); }
.module-row span{ color: var(--c-ink-subtle); font-size: 0.92rem; }

/* Code frame */

/* Code snippets */

.codesnip{
  /* Integrate into page (no card surface) */
  border: 0;
  border-radius: 0;
  background: transparent;
  overflow: visible;
}
.codesnip + .codesnip{ margin-top: 14px; }

.codesnip__summary{
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid var(--c-border);
}
.codesnip__summary::-webkit-details-marker{ display: none; }
.codesnip__summary:focus-visible{
  outline: 2px solid var(--c-focus);
  outline-offset: 2px;
  border-radius: 10px;
}
.codesnip__label{
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: var(--fs-mono);
  color: var(--c-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.codesnip__verb{
  color: var(--c-accent-ink);
  font-weight: 700;
  letter-spacing: 0.10em;
  font-size: 0.86em;
}
.codesnip__path{ min-width: 0; overflow: hidden; text-overflow: ellipsis; }

.codesnip__toggle{
  padding: 0;
  border: 0;
  background: transparent;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--c-ink-subtle);
  font-size: 0.80rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.codesnip__toggle::after{
  content: "";
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--t-fast);
  margin-top: -1px;
}
.codesnip[open] .codesnip__toggle::after{ transform: rotate(-135deg); }
.codesnip:hover .codesnip__toggle{ color: var(--c-ink); }

.codesnip[open] .codesnip__toggle-show{ display: none; }
.codesnip:not([open]) .codesnip__toggle-hide{ display: none; }

.codesnip__panel{
  border: 0;
  padding: 12px 0 0;
}

.codesnip__actions{
  display: flex;
  justify-content: flex-end;
  margin-bottom: 12px;
}
.codesnip__copy{
  border: 1px solid var(--c-border);
  background: transparent;
  color: var(--c-ink);
  border-radius: 12px;
  padding: 8px 10px;
  font: inherit;
  font-size: 0.9rem;
}
.codesnip__copy:hover{ background: rgba(11,15,20,0.04); border-color: var(--c-border-strong); }
.codesnip__copy:focus-visible{ outline: 2px solid var(--c-focus); outline-offset: 2px; }

.codesnip__code{
  margin: 0;
  padding: 14px 14px;
  white-space: pre-wrap;
  word-break: break-word;
  tab-size: 2;
  line-height: 1.55;
  color: var(--c-ink);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: var(--fs-mono);
  border: 1px solid var(--c-border);
  border-left: 2px solid rgba(112,248,64,0.72);
  border-radius: 12px;
  background: rgba(112,248,64,0.03);
}

@media (max-width: 520px){
  .codesnip__label{ white-space: normal; }
}



/* Forms */
.form{ display: flex; flex-direction: column; gap: 14px; }
.label{ display: flex; flex-direction: column; gap: 8px; color: var(--c-ink); font-size: 0.95rem; }
.input{
  width: 100%;
  padding: 12px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-ink);
  font: inherit;
}
.input:focus-visible{ outline: 2px solid var(--c-focus); outline-offset: 2px; }
textarea.input{ min-height: 140px; resize: vertical; }

/* Footer */
.site-footer{ padding: var(--s64) 0; border-top: 1px solid var(--c-border); }
.footer-grid{ display: grid; grid-template-columns: 1fr; gap: var(--gap); }
.footer-col h4{ margin: 0 0 10px; font-size: 0.95rem; color: var(--c-ink); }
.footer-col a{ display: block; text-decoration: none; color: var(--c-ink-muted); padding: 6px 0; }
.footer-col a:hover{ color: var(--c-ink); }
.footer-brand img{ height: clamp(26px, 3.0vw, 34px); width: auto; }
.footer-bottom{
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--c-border);
  margin-top: var(--s32);
  padding-top: var(--s24);
}
.footer-imprint{ display: flex; flex-direction: column; gap: 4px; }
@media (min-width: 900px){
  .footer-grid{ grid-template-columns: 2fr 1fr 1fr 1fr 1fr; }
  .footer-bottom{ flex-direction: row; justify-content: space-between; align-items: flex-end; }
}

/* Section variant */
.midnight{ background: var(--c-surface-2); }
.midnight .site-nav a:hover{ background: var(--c-accent-soft); }

/* Prose */
.prose{ max-width: 70ch; }
.prose h2{
  font-size: 1.05rem;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--c-ink-subtle);
  margin: var(--s32) 0 var(--s12);
}
.prose h3{ font-size: 1.15rem; margin: var(--s24) 0 var(--s12); color: var(--c-ink); }
.prose p{ margin: 0 0 var(--s16); color: var(--c-ink-muted); }
.prose ul{ margin: 0 0 var(--s16); }

.prose p.clause{ color: var(--c-ink-muted); }
.prose p.clause .clause-num{
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  color: var(--c-ink);
}

/* Legal prose overrides */
.page-legal .prose h2{ color: var(--c-ink); }
.page-legal .prose h3{ color: var(--c-ink); }
.page-legal .prose p,
.page-legal .prose li{ color: var(--c-ink-muted); }
.page-legal .prose ul li::marker{ color: rgba(11,15,20,0.35); }
.page-legal .prose a{ color: var(--c-ink); text-decoration-color: rgba(11,15,20,0.25); }
.page-legal .prose a:hover{ color: var(--c-accent-ink); text-decoration-color: rgba(10,122,44,0.55); }
.page-legal .prose p.clause .clause-num{ color: var(--c-ink-subtle); font-weight: 600; }
.prose li{ margin: 0 0 6px; color: var(--c-ink-muted); }
.prose hr{ border: 0; border-top: 1px solid var(--c-border); margin: var(--s32) 0; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ transition: none !important; animation: none !important; }
  .site-menu{ transform: none; }
}