/* public/styles/marketing.css
 * Shared marketing styles for landing, pricing, and legal pages.
 * FlowPro visual language (#1e5a8a blue). Pure CSS: no JS, no external font/CDN,
 * so the tighter legal-page CSP (font-src 'self') is satisfied everywhere.
 */

/* ---- Palette (FlowPro blue) ---- */
:root {
  --fp-blue: #1e5a8a;
  --fp-blue-dark: #16324a;
  --fp-blue-bright: #2d7ab8;
  --fp-blue-light: #5a8ab5;
  --fp-blue-soft: #eaf1f7;
  --fp-page: #f6f9fc;
  --fp-surface: #ffffff;
  --fp-ink: #15283b;
  --fp-ink-soft: #52657a;
  --fp-ink-mute: #7c8b9a;
  --fp-border: #e2e9f0;
  --fp-border-strong: #d3dde7;
  --fp-btn-gradient: linear-gradient(90deg, #1e5a8a, #2d7ab8);
  --fp-card-shadow: 0 1px 2px rgba(21, 40, 59, 0.04), 0 12px 32px rgba(21, 40, 59, 0.08);
  --fp-radius: 14px;
  --fp-footer-bg: #16324a;
  --fp-maxw: 1120px;
}

/* ---- Reset + base ---- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--fp-page);
  color: var(--fp-ink);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--fp-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible { outline: 2px solid var(--fp-blue-bright); outline-offset: 2px; border-radius: 4px; }

/* ---- Layout container ---- */
.mkt-container {
  max-width: var(--fp-maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Top nav ---- */
.mkt-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: rgba(246, 249, 252, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--fp-border);
}
.mkt-nav > a { display: flex; }
.mkt-nav img { height: 58px; width: auto; display: block; }
.mkt-nav .mkt-nav-links { display: flex; align-items: center; gap: 8px; }
.mkt-nav .mkt-nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--fp-ink-soft);
  padding: 8px 14px;
  border-radius: 8px;
}
.mkt-nav .mkt-nav-links a:hover { text-decoration: none; color: var(--fp-blue); background: var(--fp-blue-soft); }
.mkt-nav .mkt-nav-links a.mkt-cta-primary { color: #fff; }
.mkt-nav .mkt-nav-links a.mkt-cta-primary:hover { color: #fff; background: var(--fp-btn-gradient); }

/* ---- Eyebrow pill ---- */
.mkt-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--fp-blue);
  background: var(--fp-blue-soft);
  border: 1px solid var(--fp-border-strong);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.mkt-eyebrow .mkt-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--fp-blue-bright); }

/* ---- Hero (two-column on desktop) ---- */
.lp-hero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 64px 0 56px;
}
.lp-hero-copy h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fp-ink);
  margin-bottom: 20px;
}
.lp-hero-copy h1 .accent { color: var(--fp-blue); }
.lp-hero-copy p.lead {
  font-size: 1.18rem;
  color: var(--fp-ink-soft);
  max-width: 34em;
  margin-bottom: 30px;
}
.lp-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.lp-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 26px;
  font-size: 0.88rem;
  color: var(--fp-ink-mute);
}
.lp-trust span { display: inline-flex; align-items: center; gap: 7px; }
.lp-trust svg { width: 15px; height: 15px; color: var(--fp-blue-bright); flex: 0 0 auto; }

/* ---- Hero product visual (framed P&ID mock) ---- */
.lp-visual {
  background: var(--fp-surface);
  border: 1px solid var(--fp-border);
  border-radius: 18px;
  box-shadow: var(--fp-card-shadow);
  overflow: hidden;
}
.lp-visual-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--fp-border);
  background: #fbfcfe;
}
.lp-visual-bar i { width: 11px; height: 11px; border-radius: 50%; background: #dbe4ec; display: inline-block; }
.lp-visual-bar .lp-visual-title { margin-left: 8px; font-size: 0.8rem; font-weight: 600; color: var(--fp-ink-mute); }
.lp-visual svg { display: block; width: 100%; height: auto; }

/* ---- Standards / trust strip ---- */
.lp-strip {
  border-top: 1px solid var(--fp-border);
  border-bottom: 1px solid var(--fp-border);
  padding: 22px 0;
  margin: 8px 0 8px;
}
.lp-strip-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px 34px;
  color: var(--fp-ink-mute);
  font-size: 0.92rem;
}
.lp-strip-inner strong { color: var(--fp-ink-soft); font-weight: 600; }
.lp-strip-inner .lp-strip-item { display: inline-flex; align-items: center; gap: 9px; }
.lp-strip-inner svg { width: 18px; height: 18px; color: var(--fp-blue); }

/* ---- Section heading ---- */
.lp-section { padding: 64px 0; }
.lp-section-head { max-width: 640px; margin: 0 auto 44px; text-align: center; }
.lp-section-head h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--fp-ink);
  margin-bottom: 12px;
}
.lp-section-head p { color: var(--fp-ink-soft); font-size: 1.08rem; }

/* ---- Feature grid (icon cards) ---- */
.mkt-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.mkt-card {
  background: var(--fp-surface);
  border: 1px solid var(--fp-border);
  border-radius: var(--fp-radius);
  box-shadow: 0 1px 2px rgba(21, 40, 59, 0.03);
  padding: 30px 28px;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}
.mkt-card:hover { transform: translateY(-3px); box-shadow: var(--fp-card-shadow); border-color: var(--fp-border-strong); }
.mkt-card .lp-icon {
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 11px;
  background: var(--fp-blue-soft);
  color: var(--fp-blue);
  margin-bottom: 18px;
}
.mkt-card .lp-icon svg { width: 24px; height: 24px; }
.mkt-card h3 { color: var(--fp-ink); margin-bottom: 9px; font-size: 1.16rem; letter-spacing: -0.01em; }
.mkt-card p { color: var(--fp-ink-soft); font-size: 0.98rem; }

/* ---- How it works (numbered steps) ---- */
.lp-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.lp-step { position: relative; padding: 4px 4px 4px 0; }
.lp-step-num {
  counter-increment: step;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--fp-blue); color: #fff;
  font-weight: 700; font-size: 0.95rem;
  margin-bottom: 14px;
}
.lp-step-num::before { content: counter(step); }
.lp-step h3 { font-size: 1.06rem; color: var(--fp-ink); margin-bottom: 7px; }
.lp-step p { color: var(--fp-ink-soft); font-size: 0.96rem; }

/* ---- CTA band (full-width blue) ---- */
.lp-cta-band {
  background: linear-gradient(135deg, #1e5a8a 0%, #16324a 100%);
  color: #fff;
  border-radius: 22px;
  text-align: center;
  padding: 56px 32px;
  margin: 8px 0 64px;
}
.lp-cta-band h2 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); margin-bottom: 12px; letter-spacing: -0.01em; }
.lp-cta-band p { color: #cddbe8; font-size: 1.08rem; max-width: 40em; margin: 0 auto 26px; }
.lp-cta-band .mkt-cta-primary { background: #fff; color: var(--fp-blue-dark); }
.lp-cta-band .mkt-cta-primary:hover { background: #eef4f9; }

/* ---- CTA buttons ---- */
.mkt-cta,
.mkt-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 11px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.mkt-cta-primary { background: var(--fp-btn-gradient); color: #fff; box-shadow: 0 6px 18px rgba(30, 90, 138, 0.28); }
.mkt-cta-primary:hover { text-decoration: none; transform: translateY(-1px); box-shadow: 0 10px 24px rgba(30, 90, 138, 0.34); }
.mkt-cta { background: var(--fp-surface); color: var(--fp-blue); border-color: var(--fp-border-strong); }
.mkt-cta:hover { text-decoration: none; background: var(--fp-blue-soft); border-color: var(--fp-blue-light); }

/* ---- Pricing (4 tier cards, responsive) ---- */
.mkt-pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 8px 0 56px;
  align-items: stretch;
}
.mkt-tier {
  background: var(--fp-surface);
  border: 1px solid var(--fp-border);
  border-radius: var(--fp-radius);
  box-shadow: 0 1px 2px rgba(21, 40, 59, 0.03);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  text-align: center;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}
.mkt-tier:hover { transform: translateY(-3px); box-shadow: var(--fp-card-shadow); }
.mkt-tier h3 { color: var(--fp-ink); font-size: 1.2rem; margin-bottom: 6px; }
.mkt-tier .mkt-price { font-size: 2.1rem; font-weight: 800; color: var(--fp-blue); margin: 8px 0 4px; letter-spacing: -0.02em; }
.mkt-tier .mkt-price small { font-size: 0.9rem; font-weight: 500; color: var(--fp-ink-soft); }
.mkt-tier ul { list-style: none; text-align: left; margin: 18px 0; flex: 1; }
.mkt-tier ul li { padding: 8px 0; color: var(--fp-ink-soft); border-bottom: 1px solid var(--fp-border); font-size: 0.96rem; }
.mkt-tier--featured {
  border: 2px solid var(--fp-blue);
  box-shadow: 0 14px 40px rgba(30, 90, 138, 0.18);
  transform: translateY(-6px);
}
.mkt-tier--featured:hover { transform: translateY(-9px); }
.mkt-tier--featured h3::after {
  content: 'Most popular';
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fp-blue-bright);
  margin-top: 2px;
}

/* ---- AI-credit explainer (pricing page) ---- */
.lp-credit-note {
  max-width: 640px;
  margin: 4px auto 0;
  text-align: center;
  background: var(--fp-blue-soft);
  border: 1px solid var(--fp-border-strong);
  border-radius: 14px;
  padding: 22px 26px;
}
.lp-credit-note h3 { color: var(--fp-blue); font-size: 1.05rem; margin-bottom: 8px; }
.lp-credit-note p { color: var(--fp-ink-soft); font-size: 0.96rem; }

/* ---- Hero (centered variant — used by the pricing page header) ---- */
.mkt-hero { text-align: center; padding: 56px 24px 32px; }
.mkt-hero h1 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); line-height: 1.15; color: var(--fp-ink); margin-bottom: 16px; letter-spacing: -0.02em; }
.mkt-hero h1 .accent { color: var(--fp-blue); }
.mkt-hero p { font-size: 1.14rem; color: var(--fp-ink-soft); max-width: 640px; margin: 0 auto 26px; }

/* ---- Footer ---- */
.mkt-footer { background: var(--fp-footer-bg); color: #b8c8d6; padding: 44px 24px; }
.mkt-footer .mkt-container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; align-items: center; }
.mkt-footer a { color: #cbd8e4; font-size: 0.95rem; }
.mkt-footer a:hover { color: #fff; }
.mkt-footer .mkt-legal-links { display: flex; flex-wrap: wrap; gap: 18px; }

/* ---- Legal prose column ---- */
.mkt-legal { max-width: 720px; margin: 0 auto; padding: 40px 24px 64px; background: var(--fp-surface); color: var(--fp-ink); }
.mkt-legal h1 { color: var(--fp-blue); margin-bottom: 18px; }
.mkt-legal h2 { color: var(--fp-blue); margin: 28px 0 10px; font-size: 1.25rem; }
.mkt-legal p, .mkt-legal li { color: var(--fp-ink-soft); margin-bottom: 10px; }
.mkt-legal table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.mkt-legal th, .mkt-legal td { border: 1px solid var(--fp-border); padding: 8px 10px; text-align: left; font-size: 0.92rem; }

/* ---- Draft banner ---- */
.mkt-draft-banner {
  background: #fef3c7; color: #92400e; border: 1px solid #f59e0b; border-radius: 10px;
  padding: 14px 18px; margin: 0 auto 24px; max-width: 720px; font-weight: 600; text-align: center;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .lp-hero { grid-template-columns: 1fr; gap: 36px; padding: 40px 0 44px; }
  .lp-visual { order: -1; }
  .lp-hero-copy p.lead { max-width: none; }
  .mkt-features { grid-template-columns: 1fr; }
  .lp-steps { grid-template-columns: 1fr; gap: 20px; }
  .mkt-pricing-grid { grid-template-columns: 1fr; }
  .mkt-tier--featured { transform: none; }
  .mkt-tier--featured:hover { transform: translateY(-3px); }
  .lp-section { padding: 48px 0; }
  .mkt-footer .mkt-container { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}