/* AlphaBiz marketing site — custom layer on top of Tailwind (CDN).
   Design language: "confidential deal dossier" — hairline rules, mono data
   labels, and a redaction-reveal motif that embodies the product's core
   promise: you control who sees what, when. */

:root {
  --paper: #fbf9f5;
  --ink: #101828;
  --evergreen: #008241;
  --evergreen-deep: #006b36;
  --gold: #c7963a;
  --slate: #475467;
  --hairline: #e7e2d8;
  --hairline-dark: #2a3342;
}

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---- Type roles -------------------------------------------------------- */
.font-display { font-family: "Archivo", system-ui, sans-serif; }
.font-mono    { font-family: "IBM Plex Mono", ui-monospace, monospace; }

/* Mono eyebrow / data label — reads like a report field header */
.eyebrow {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--evergreen);
}
.eyebrow--gold { color: var(--gold); }
.eyebrow--muted { color: var(--slate); }

/* Display headline sizing/tracking */
.display {
  font-family: "Archivo", system-ui, sans-serif;
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
}

/* Signature flourish: green→gold gradient text */
.gradient-ink {
  background: linear-gradient(111deg, var(--evergreen) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.rule-gold { height: 3px; width: 3.5rem; background: linear-gradient(111deg, var(--evergreen), var(--gold)); border-radius: 2px; }

/* ---- Redaction motif (the signature) ----------------------------------- */
/* A confidential value hidden behind a bar, "stamped" to reveal on the
   marketing page. Static by default; a subtle reveal on hover/focus. */
.redact {
  position: relative;
  display: inline-block;
  border-radius: 3px;
  padding: 0 0.15em;
  color: transparent;
  background: var(--ink);
  user-select: none;
  transition: background-color 220ms ease, color 220ms ease;
}
.redact::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 3px;
  box-shadow: inset 0 0 0 1px rgba(199, 150, 58, 0.55);
  pointer-events: none;
}
.dossier:hover .redact,
.dossier:focus-within .redact {
  background: rgba(0, 130, 65, 0.10);
  color: var(--ink);
}
.stamp {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1.5px solid var(--gold);
  border-radius: 4px;
  padding: 0.15rem 0.5rem;
  transform: rotate(-4deg);
  display: inline-block;
}

/* ---- Dossier card + hairline structure --------------------------------- */
.hairline { border-color: var(--hairline); }
.card {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 14px;
}
.card-ink {
  background: var(--ink);
  border: 1px solid var(--hairline-dark);
  border-radius: 14px;
}

/* Numbered onboarding steps — a real sequence, so numbering is earned */
.step-num {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--gold);
}

/* ---- Buttons ----------------------------------------------------------- */
.btn { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 600;
  border-radius: 10px; padding: 0.75rem 1.25rem; transition: background-color 160ms ease, color 160ms ease, transform 160ms ease, box-shadow 160ms ease; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--evergreen); color: #fff; }
.btn-primary:hover { background: var(--evergreen-deep); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--hairline); }
.btn-ghost:hover { border-color: var(--evergreen); color: var(--evergreen); }
.btn-onink { background: #fff; color: var(--ink); }
.btn-onink:hover { background: var(--gold); color: var(--ink); }

/* ---- Header ------------------------------------------------------------ */
.site-header { transition: box-shadow 200ms ease, background-color 200ms ease; }
.site-header.is-stuck { box-shadow: 0 1px 0 var(--hairline), 0 8px 24px -18px rgba(16,24,40,0.35); background: rgba(251,249,245,0.9); backdrop-filter: saturate(1.1) blur(8px); }
.nav-link { color: var(--slate); font-weight: 500; }
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--ink); }

/* Mobile nav */
.mobile-nav { display: none; }
.mobile-nav.open { display: block; }

/* ---- FAQ accordion ----------------------------------------------------- */
.faq-item { border-bottom: 1px solid var(--hairline); }
.faq-q { width: 100%; text-align: left; display: flex; justify-content: space-between; align-items: center; gap: 1rem; cursor: pointer; }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 240ms ease; }
.faq-a > div { overflow: hidden; }
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-icon { transition: transform 240ms ease; color: var(--evergreen); flex: none; }
.faq-item.open .faq-icon { transform: rotate(45deg); }

/* ---- Code blocks (embed snippets) -------------------------------------- */
.code-block { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 0.82rem; line-height: 1.6; color: #e7e2d8; background: #0b111e; border: 1px solid var(--hairline-dark); border-radius: 12px; overflow-x: auto; max-width: 100%; }
.code-block .tok-tag { color: #7fd1a0; }
.code-block .tok-attr { color: #c7963a; }
.code-block .tok-str { color: #cbe6d3; }
.copy-btn { font-family: "IBM Plex Mono", monospace; font-size: 0.7rem; letter-spacing: 0.08em; }

/* ---- Long-form legal prose --------------------------------------------- */
.prose-legal { color: var(--slate); line-height: 1.7; max-width: 46rem; }
.prose-legal h2 { font-family: "Archivo", sans-serif; font-weight: 700; color: var(--ink); font-size: 1.5rem; margin: 2.25rem 0 0.75rem; }
.prose-legal h3 { font-family: "Archivo", sans-serif; font-weight: 600; color: var(--ink); font-size: 1.125rem; margin: 1.5rem 0 0.5rem; }
.prose-legal p { margin: 0 0 1rem; }
.prose-legal ul { margin: 0 0 1rem 1.25rem; list-style: disc; }
.prose-legal li { margin: 0.25rem 0; }
.prose-legal a { color: var(--evergreen); text-decoration: underline; text-underline-offset: 2px; }

/* ---- A11y -------------------------------------------------------------- */
:focus-visible { outline: 2px solid var(--evergreen); outline-offset: 2px; border-radius: 4px; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: 0.6rem 1rem; border-radius: 0 0 8px 0; z-index: 100; }
.skip-link:focus { left: 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}