/* ============================================================================
   Centrific Ai — shared site styles (production)
   Tokens from colors_and_type.css; this layer adds reset, layout, nav,
   footer, buttons, the animated supervised-workflow diagram, and scroll
   reveal. Direction pages add their own <style> for distinct treatment.
   ========================================================================== */
@import url('./colors_and_type.css');

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--fg-1);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p { margin: 0; }
::selection { background: var(--blue-100); color: var(--navy-900); }

/* ---- layout ---- */
.wrap { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: 40px; }
.wrap-narrow { max-width: 760px; }
@media (max-width: 720px){ .wrap { padding-inline: 22px; } }

/* ---- shared atoms ---- */
.eyebrow {
  font-family: var(--font-mono); font-size: 13px; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase; color: var(--accent);
}
.wordmark {
  font-family: var(--font-display); font-weight: 700; letter-spacing: -.01em;
  color: var(--navy-900); white-space: nowrap;
}
.wordmark .f { color: var(--blue-600); }
.wordmark.on-navy { color: #fff; }
.wordmark.on-navy .f { color: var(--blue-400); }
.logo-lockup { display: inline-flex; align-items: center; gap: 11px; }

/* ---- buttons ---- */
.btn {
  font-family: var(--font-sans); font-size: 15px; font-weight: 600;
  border-radius: var(--radius-md); padding: 13px 22px; border: 1px solid transparent;
  cursor: pointer; display: inline-flex; align-items: center; gap: 9px;
  transition: background var(--dur-fast) var(--ease-standard),
              border-color var(--dur-fast) var(--ease-standard),
              color var(--dur-fast) var(--ease-standard);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--blue-600); color: #fff; box-shadow: 0 1px 2px rgba(7,28,59,.14); }
.btn-primary:hover { background: var(--blue-700); }
.btn-secondary { background: #fff; color: var(--navy-900); border-color: var(--slate-300); }
.btn-secondary:hover { background: var(--slate-50); border-color: var(--slate-400); }
.btn-ghost { background: transparent; color: var(--blue-600); padding-inline: 4px; }
.btn-ghost:hover { color: var(--blue-700); }
.on-navy .btn-secondary, .btn-secondary.on-navy {
  background: transparent; color: #fff; border-color: rgba(255,255,255,.28);
}
.on-navy .btn-secondary:hover, .btn-secondary.on-navy:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.5); }

/* ---- site nav ---- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 40px;
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--slate-200);
  background: rgba(253,252,250,.82);
}
.nav.on-navy { background: rgba(7,28,59,.72); border-bottom-color: rgba(255,255,255,.1); }
.nav .links { display: flex; align-items: center; gap: 30px; }
.nav .links a {
  font-size: 14.5px; font-weight: 500; color: var(--fg-2);
  transition: color var(--dur-fast) var(--ease-standard);
}
.nav.on-navy .links a { color: rgba(232,238,246,.75); }
.nav .links a:hover { color: var(--navy-900); }
.nav.on-navy .links a:hover { color: #fff; }
@media (max-width: 880px){ .nav .links a:not(.btn) { display: none; } .nav { padding-inline: 22px; } }

/* ---- footer ---- */
.foot {
  background: var(--navy-900); color: rgba(232,238,246,.7);
  padding: 72px 0 40px;
  background-image: radial-gradient(circle at 85% 0%, rgba(43,111,219,.16), transparent 46%);
}
.foot .wrap { display: flex; flex-wrap: wrap; gap: 48px; justify-content: space-between; }
.foot .f-brand { max-width: 360px; }
.foot .f-brand p { margin-top: 16px; font-size: 15px; line-height: 1.6; color: rgba(232,238,246,.6); }
.foot .f-col h4 { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--blue-400); margin-bottom: 16px; }
.foot .f-col a { display: block; font-size: 14.5px; color: rgba(232,238,246,.72); margin-bottom: 11px; }
.foot .f-col a:hover { color: #fff; }
.foot .f-base {
  border-top: 1px solid rgba(255,255,255,.1); margin-top: 56px; padding-top: 26px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-family: var(--font-mono); font-size: 12.5px; color: rgba(232,238,246,.45);
}

/* ---- regulatory pills ---- */
.pillrow { display: flex; flex-wrap: wrap; gap: 10px; }
.regpill {
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .02em;
  padding: 7px 14px; border-radius: 999px; border: 1px solid var(--slate-300);
  color: var(--slate-600); background: #fff;
}
.on-navy .regpill { border-color: rgba(255,255,255,.22); color: rgba(232,238,246,.82); background: transparent; }

/* ============================================================ WORKFLOW DIAGRAM
   The signature interaction. Structural + animation states live here and are
   themed per-direction via CSS custom properties on .flowdiagram:
     --fd-surface, --fd-border, --fd-node, --fd-node-fg, --fd-ink, --fd-sub,
     --fd-track, --fd-accent, --fd-accent-fg, --fd-done, --fd-done-fg, --fd-log
   ========================================================================== */
.flowdiagram {
  --fd-surface:#fff; --fd-border:var(--slate-200); --fd-ink:var(--navy-900); --fd-sub:var(--slate-500);
  --fd-node:#fff; --fd-node-fg:var(--slate-400); --fd-track:var(--slate-200);
  --fd-accent:var(--blue-600); --fd-accent-fg:#fff; --fd-done:var(--green-600); --fd-done-fg:#fff;
  --fd-log:var(--slate-50);
}
.fd-rail { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.fd-track {
  position: absolute; left: 12.5%; right: 12.5%; top: 33px; height: 3px;
  background: var(--fd-track); border-radius: 3px; overflow: hidden;
}
.fd-track > i {
  position: absolute; inset: 0 100% 0 0; background: var(--fd-accent);
  transition: right .6s var(--ease-standard);
}
.fd-node { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 12px; padding: 0 8px; }
.fd-dot {
  width: 66px; height: 66px; border-radius: 50%; display: grid; place-items: center;
  background: var(--fd-node); color: var(--fd-node-fg);
  border: 2px solid var(--fd-track); z-index: 2;
  transition: background .3s var(--ease-standard), color .3s var(--ease-standard),
              border-color .3s var(--ease-standard), box-shadow .3s var(--ease-standard);
}
.fd-dot svg { width: 28px; height: 28px; }
.fd-name { font-family: var(--font-display); font-weight: 600; font-size: 17px; color: var(--fd-ink); }
.fd-sub { font-family: var(--font-mono); font-size: 12px; line-height: 1.45; color: var(--fd-sub); max-width: 180px; }
.fd-node[data-state="active"] .fd-dot {
  background: var(--fd-accent); color: var(--fd-accent-fg); border-color: var(--fd-accent);
  box-shadow: 0 0 0 0 var(--fd-accent); animation: fd-pulse 1.1s var(--ease-standard) infinite;
}
.fd-node[data-state="done"] .fd-dot {
  background: var(--fd-done); color: var(--fd-done-fg); border-color: var(--fd-done);
}
@keyframes fd-pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--fd-accent) 55%, transparent); }
  100% { box-shadow: 0 0 0 16px color-mix(in oklab, var(--fd-accent) 0%, transparent); }
}

/* run log under the diagram */
.fd-log {
  margin-top: 30px; border: 1px solid var(--fd-border); border-radius: var(--radius-lg);
  background: var(--fd-surface); overflow: hidden;
}
.fd-log-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--fd-border); background: var(--fd-log);
}
.fd-log-id { font-family: var(--font-mono); font-size: 13.5px; color: var(--fd-ink); }
.fd-log-status {
  font-family: var(--font-mono); font-size: 12.5px; display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 12px; border-radius: 999px; color: var(--amber-600); background: var(--amber-100);
}
.fd-log-status .dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.fd-log[data-complete] .fd-log-status { color: var(--green-600); background: var(--green-100); }
.fd-log-rows { padding: 4px 20px 8px; }
.fd-row {
  display: grid; grid-template-columns: 78px 1fr auto; gap: 16px; align-items: center;
  padding: 11px 0; border-bottom: 1px solid color-mix(in oklab, var(--fd-border) 60%, transparent);
  opacity: 0; transform: translateY(6px);
  transition: opacity .4s var(--ease-standard), transform .4s var(--ease-standard);
}
.fd-row:last-child { border-bottom: 0; }
.fd-row[data-shown] { opacity: 1; transform: none; }
.fd-row .t { font-family: var(--font-mono); font-size: 13px; color: var(--fd-accent); font-variant-numeric: tabular-nums; }
.fd-row .n { font-size: 15px; font-weight: 600; color: var(--fd-ink); }
.fd-row .n small { display: block; font-weight: 400; font-size: 13px; color: var(--fd-sub); margin-top: 2px; font-family: var(--font-sans); }
.fd-row .h { font-family: var(--font-mono); font-size: 12px; color: var(--fd-sub); white-space: nowrap; }
.fd-replay {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 18px;
  font-family: var(--font-mono); font-size: 13px; color: var(--fd-accent);
  background: none; border: 0; cursor: pointer; padding: 4px 0;
}
.fd-replay svg { width: 15px; height: 15px; }
.fd-replay:hover { text-decoration: underline; }

@media (max-width: 640px){
  .fd-rail { grid-template-columns: 1fr 1fr; row-gap: 28px; }
  .fd-track { display: none; }
  .fd-row .h { display: none; }
}

/* ---- scroll reveal ---- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease-standard), transform .7s var(--ease-standard); }
.reveal[data-shown] { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; } .reveal.d4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce){
  .reveal { opacity: 1 !important; transform: none !important; }
  .fd-row { opacity: 1 !important; transform: none !important; }
  html { scroll-behavior: auto; }
}