/* Aarkiv SEO landing pages, shared paper-aesthetic stylesheet.
   Matches /index.html visual language: black ink on white paper, mono
   labels, hairline borders. Loaded by /enterprise-document-intelligence
   and /invoice-to-excel-converter. */

:root {
  --paper:   #ffffff;
  --ink:     #000000;
  --ink-soft:#1a1a1a;
  --muted:   #555555;
  --line:    #000000;
  --soft:    #e5e5e5;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background-image:
    radial-gradient(rgba(0,0,0,0.02) 1px, transparent 1px),
    radial-gradient(rgba(0,0,0,0.02) 1px, transparent 1px);
  background-size: 4px 4px, 4px 4px;
  background-position: 0 0, 2px 2px;
}
a { color: inherit; text-decoration: underline; text-decoration-color: rgba(0,0,0,0.25); text-underline-offset: 3px; }
a:hover { text-decoration-color: #000; }
img { display: block; max-width: 100%; }
::selection { background: #000; color: #fff; }

/* ── Nav ─────────────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--ink);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto;
  padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand img { height: 24px; width: auto; }
.nav-right { display: inline-flex; align-items: center; gap: 10px; }

/* ── Outlined action button (Contact Sales) ──────────────────────────
   Lives in every header next to .nav-cta. Outlined paper style with a
   mail glyph and a subtle ink-fill on hover so it reads as a primary
   pathway, not a footer link. */
.nav-action, a.nav-action {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--ink); background: #fff;
  border: 1px solid var(--ink);
  text-decoration: none;
  transition: background 0.12s, color 0.12s, transform 0.12s;
}
.nav-action:hover {
  background: var(--ink); color: #fff;
  transform: translateY(-1px);
}
.nav-action svg { transition: transform 0.12s; }
.nav-action:hover svg { transform: translateX(2px); }
.nav-action .nav-action-label { white-space: nowrap; }

.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px; font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.04em; text-transform: uppercase;
  background: var(--ink); color: #fff;
  border: 1px solid var(--ink);
  transition: background 0.12s, color 0.12s, transform 0.12s;
}
.nav-cta:hover { background: #fff; color: var(--ink); transform: translateY(-1px); }

/* Legacy text-link kept for niche callers; new code should use nav-action. */
.nav-link, .nav-link-btn {
  background: transparent; border: none; cursor: pointer;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink); font-weight: 600;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  text-decoration: none;
  transition: border-color 0.12s;
}
.nav-link:hover, .nav-link-btn:hover { border-bottom-color: var(--ink); }

/* ── Layout shell ────────────────────────────────────────────────── */
.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }

/* ── Article header ──────────────────────────────────────────────── */
.article-meta {
  padding: 36px 0 8px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted);
}
.breadcrumb { color: var(--muted); }
.breadcrumb a { text-decoration: none; color: var(--ink); font-weight: 600; }
.breadcrumb a:hover { text-decoration: underline; }

h1.title {
  font-size: clamp(32px, 5vw, 50px);
  font-weight: 800; letter-spacing: -0.035em;
  line-height: 1.06; margin: 18px 0 22px;
}

.deck {
  font-size: 19px; color: var(--ink-soft); line-height: 1.55;
  margin: 0 0 36px; max-width: 640px;
}
.deck strong { color: var(--ink); font-weight: 700; }

/* ── Eyebrow rules (top-of-section labels) ──────────────────────── */
.eyebrow {
  display: inline-block;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 4px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  font-weight: 600;
  margin: 36px 0 18px;
}
.eyebrow-inner { padding: 0 14px; }

/* Section number markers in body */
.secnum {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; color: var(--muted);
  letter-spacing: 0.15em; text-transform: uppercase;
  margin: 56px 0 6px;
  display: inline-flex; align-items: center; gap: 10px;
}
.secnum::after { content: ""; width: 40px; height: 1px; background: var(--ink); }

/* ── Article body ─────────────────────────────────────────────────── */
article { padding: 8px 0 56px; }
article h2 {
  font-size: clamp(22px, 2.8vw, 28px);
  font-weight: 700; letter-spacing: -0.025em;
  margin: 32px 0 14px; line-height: 1.18;
}
article h3 {
  font-size: 18px; font-weight: 700; letter-spacing: -0.015em;
  margin: 28px 0 10px;
}
article p { font-size: 16px; color: var(--ink-soft); margin: 0 0 16px; }
article ul, article ol { padding-left: 22px; margin: 0 0 16px; }
article li { font-size: 16px; color: var(--ink-soft); margin-bottom: 6px; line-height: 1.6; }
article strong { color: var(--ink); font-weight: 700; }

/* ── Pull quote ──────────────────────────────────────────────────── */
.pull {
  margin: 30px 0;
  padding: 20px 22px;
  border-left: 3px solid var(--ink);
  background: #fafafa;
  font-size: 17px; color: var(--ink); line-height: 1.55;
}

/* ── Keyword chips ───────────────────────────────────────────────── */
.keywords {
  display: flex; flex-wrap: wrap; gap: 0;
  border-top: 1px solid var(--ink); border-left: 1px solid var(--ink);
  margin: 28px 0;
}
.kw {
  padding: 8px 14px;
  border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px; color: var(--ink); background: var(--paper);
  transition: background 0.12s, color 0.12s;
}
.kw:hover { background: var(--ink); color: #fff; }

/* ── Capability cards (3-up grid) ─────────────────────────────────── */
.cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border-top: 1px solid var(--ink);
  margin: 22px 0 28px;
}
.card {
  padding: 24px 22px 26px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: var(--paper);
  transition: background 0.15s, color 0.15s;
}
.card:last-child { border-right: none; }
.card:hover { background: var(--ink); color: #fff; }
.card-num {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; color: var(--muted);
  letter-spacing: 0.1em; margin-bottom: 10px;
}
.card:hover .card-num { color: rgba(255,255,255,0.6); }
.card h3 {
  font-size: 16px; font-weight: 700; letter-spacing: -0.01em;
  margin: 0 0 8px;
}
.card p { font-size: 13.5px; line-height: 1.6; margin: 0; }

@media (max-width: 720px) {
  .cards { grid-template-columns: 1fr; }
  .card { border-right: none; }
}

/* ── FAQ accordions ──────────────────────────────────────────────── */
article details, .faq details, details.faq {
  border-top: 1px solid var(--ink);
  padding: 16px 0;
}
article details:last-of-type, .faq details:last-of-type, details.faq:last-of-type {
  border-bottom: 1px solid var(--ink);
}
article details summary, .faq details summary, details.faq summary {
  cursor: pointer;
  font-size: 16px; font-weight: 600; color: var(--ink);
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
}
article details summary::-webkit-details-marker,
.faq details summary::-webkit-details-marker,
details.faq summary::-webkit-details-marker { display: none; }
article details summary::after,
.faq details summary::after,
details.faq summary::after {
  content: "+";
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 18px; color: var(--ink);
}
article details[open] summary::after,
.faq details[open] summary::after,
details.faq[open] summary::after { content: "-"; }
article details p, .faq details p, details.faq p {
  margin: 12px 0 0;
  color: var(--ink-soft); font-size: 15px;
}

/* ── CTA row + buttons ───────────────────────────────────────────── */
.cta-row {
  display: inline-flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: background 0.12s, color 0.12s, transform 0.12s;
}
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #fff; color: var(--ink); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-on-dark { background: #fff; color: var(--ink); border-color: #fff; }
.btn-on-dark:hover { background: transparent; color: #fff; }
.btn svg { transition: transform 0.12s; }
.btn:hover svg { transform: translateX(3px); }

/* ── Related cards ────────────────────────────────────────────────── */
.related { margin: 56px 0 36px; }
.related-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border-top: 1px solid var(--ink); border-left: 1px solid var(--ink);
}
.related-card {
  padding: 22px;
  border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink);
  background: var(--paper);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.related-card:hover { background: var(--ink); color: #fff; }
.related-meta {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.related-card:hover .related-meta { color: rgba(255,255,255,0.6); }
.related-card h3 {
  font-size: 17px; font-weight: 700; letter-spacing: -0.015em;
  margin: 0 0 6px;
}
.related-card p {
  font-size: 13.5px; line-height: 1.55; margin: 0;
  color: var(--ink-soft);
}
.related-card:hover p { color: rgba(255,255,255,0.85); }

@media (max-width: 640px) {
  .related-grid { grid-template-columns: 1fr; }
  .related-card { border-right: none; }
}

/* ── Closing CTA panel ───────────────────────────────────────────── */
.close {
  background: var(--ink); color: #fff;
  padding: 50px 40px;
  margin: 56px 0 70px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}
.close h3 {
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 700; letter-spacing: -0.025em;
  margin: 0 0 6px;
}
.close p {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px; letter-spacing: 0.04em;
  color: rgba(255,255,255,0.65); margin: 0;
}

/* ── Footer ──────────────────────────────────────────────────────── */
footer.wrap, footer {
  padding: 22px 24px 36px;
  border-top: 1px solid var(--ink);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; color: var(--muted);
  letter-spacing: 0.04em;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px;
}

/* ── Contact sales modal ─────────────────────────────────────────── */
.cs-overlay[hidden] { display: none; }
.cs-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0, 0, 0, 0.55);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  animation: cs-fade 0.18s ease-out;
}
@keyframes cs-fade { from { opacity: 0; } to { opacity: 1; } }
.cs-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 36px 36px 32px;
  width: 100%; max-width: 520px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  animation: cs-pop 0.22s ease-out;
}
@keyframes cs-pop {
  from { transform: translateY(8px) scale(0.985); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}
.cs-close {
  position: absolute; top: 12px; right: 14px;
  background: transparent; border: none;
  font-size: 22px; line-height: 1; cursor: pointer;
  color: var(--ink); padding: 4px 8px;
  font-family: 'Inter', sans-serif;
}
.cs-close:hover { background: var(--ink); color: #fff; }
.cs-eyebrow {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.16em; color: var(--muted);
  margin-bottom: 8px; font-weight: 600;
}
.cs-card h3 {
  font-size: 24px; font-weight: 700; letter-spacing: -0.025em;
  margin: 0 0 8px;
}
.cs-sub { font-size: 14px; color: var(--ink-soft); margin: 0 0 22px; }
.cs-form { display: flex; flex-direction: column; gap: 14px; }
.cs-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cs-form label {
  display: flex; flex-direction: column; gap: 5px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.06em;
  color: var(--ink); font-weight: 500;
}
.cs-form label span { text-transform: uppercase; }
.cs-form input, .cs-form textarea {
  font-family: 'Inter', sans-serif;
  font-size: 14px; color: var(--ink);
  padding: 10px 12px;
  background: var(--paper);
  border: 1px solid var(--ink);
  outline: none;
  width: 100%; box-sizing: border-box;
  resize: vertical;
  letter-spacing: normal; text-transform: none; font-weight: 400;
}
.cs-form input:focus, .cs-form textarea:focus {
  box-shadow: inset 0 0 0 1px var(--ink);
}
.cs-actions {
  margin-top: 10px;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.cs-feedback {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.04em;
}
.cs-feedback.success { color: var(--ink); }
.cs-feedback.error {
  color: var(--ink); background: #ffe2e2;
  padding: 4px 8px; border: 1px solid #000;
}

@media (max-width: 640px) {
  .cs-row { grid-template-columns: 1fr; }
  .cs-card { padding: 28px 22px 24px; }
  .nav-link, .nav-link-btn { font-size: 10px; }
  .nav-inner { padding: 12px 16px; gap: 8px; }
  .nav-right { gap: 6px; }
  /* Icon-only Contact Sales button on mobile so the nav doesn't squeeze. */
  .nav-action { padding: 8px 10px; }
  .nav-action .nav-action-label { display: none; }
  .nav-cta { padding: 8px 12px; font-size: 11px; }
  .close { flex-direction: column; align-items: flex-start; padding: 36px 28px; }
}