/* ──────────────────────────────────────────────────────────────────────────
 * RetentionIQ™ marketing stylesheet
 *
 * Brand:
 *   navy #1A2B4A primary, coral #E5704A accent, warm Elmer neutrals,
 *   Inter (Google Fonts, loaded in base.html).
 *
 * Aesthetic family: Elmer Soft Sunrise (neutrals, type, spacing, shadow scale).
 * Brand distinction: navy + coral (not Elmer's orange; not Lindenwood's gold).
 * ────────────────────────────────────────────────────────────────────────── */

:root {
  /* Brand */
  --brand:        #1A2B4A;
  --brand-dark:   #0F1A2E;
  --brand-light:  #E6EBF3;
  --accent:       #E5704A;
  --accent-dark:  #C4582F;
  --accent-light: #FBEDE6;

  /* Neutrals (Elmer Soft Sunrise) */
  --bg:           #FAFAF8;
  --surface:      #FFFFFF;
  --surface-alt:  #F5F3F0;
  --border:       #E8E4DF;
  --border-light: #F0EDE9;
  --text:         #2D2A26;
  --text-secondary: #6B6560;
  --text-muted:   #9C9590;

  /* Semantic */
  --success:    #3D9A5F;
  --success-bg: #E8F5ED;
  --warning:    #D4920A;
  --warning-bg: #FFF8E6;
  --danger:     #C44040;
  --danger-bg:  #FDECEC;

  /* Spacing (8px base) */
  --gap-xs:  4px;
  --gap-sm:  8px;
  --gap:    12px;
  --gap-lg: 16px;
  --gap-xl: 20px;
  --gap-2xl: 24px;
  --gap-3xl: 40px;
  --gap-4xl: 64px;

  --radius-sm: 6px;
  --radius:    8px;
  --radius-lg: 12px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow:    0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.10);

  --font:    'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --content-max: 1180px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

/* ── Top nav ─────────────────────────────────────────── */
.site-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
}
.nav-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 14px var(--gap-xl);
  display: flex;
  align-items: center;
  gap: var(--gap-lg);
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-weight: 800;
  font-size: 18px;
  color: var(--brand);
  text-decoration: none;
}
.brand span { color: var(--accent); }
.brand-sub {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  font-weight: 600;
  margin-left: 6px;
}
.nav-links {
  flex: 1;
  display: flex;
  gap: 4px;
  margin-left: 24px;
}
.nav-link {
  padding: 8px 12px;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}
.nav-link:hover {
  color: var(--brand);
  text-decoration: none;
  background: var(--surface-alt);
}
.nav-link.active { color: var(--brand); background: var(--brand-light); }
.nav-cta {
  background: var(--brand);
  color: #fff;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
}
.nav-cta:hover {
  background: var(--brand-dark);
  text-decoration: none;
  color: #fff;
}

/* ── Hero ────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--brand-light) 0%, #FFFFFF 100%);
  padding: var(--gap-4xl) var(--gap-xl);
  text-align: center;
}
.hero-inner { max-width: 880px; margin: 0 auto; }
.hero-eyebrow {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent-dark);
  padding: 5px 12px;
  border-radius: 14px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: var(--gap-xl);
}
.hero h1 {
  font-size: 52px;
  line-height: 1.1;
  margin: 0 0 var(--gap-xl);
  font-weight: 800;
  color: var(--brand);
  letter-spacing: -0.02em;
}
.hero h1 span { color: var(--accent); }
.hero-sub {
  font-size: 19px;
  color: var(--text-secondary);
  margin: 0 auto var(--gap-2xl);
  max-width: 680px;
  line-height: 1.55;
}
.hero-ctas {
  display: flex;
  gap: var(--gap);
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
  border: 0;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); color: #fff; text-decoration: none; box-shadow: var(--shadow-md); }
.btn-accent  { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); color: #fff; text-decoration: none; }
.btn-ghost   { background: transparent; color: var(--brand); border: 1px solid var(--brand); }
.btn-ghost:hover { background: var(--brand); color: #fff; text-decoration: none; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-sm { padding: 8px 14px; font-size: 13px; }

/* ── Sections ────────────────────────────────────────── */
section {
  padding: var(--gap-4xl) var(--gap-xl);
}
section.tinted { background: var(--surface-alt); }
section.dark { background: var(--brand); color: #fff; }
section.dark h2 { color: #fff; }
section.dark .section-sub { color: rgba(255,255,255,0.75); }
.section-inner { max-width: var(--content-max); margin: 0 auto; }
.section-header { text-align: center; margin-bottom: var(--gap-3xl); }
.section-eyebrow {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--accent);
  margin-bottom: var(--gap-sm);
}
h2 {
  font-size: 36px;
  line-height: 1.15;
  margin: 0 0 var(--gap);
  font-weight: 800;
  color: var(--brand);
  letter-spacing: -0.01em;
}
.section-sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
}

/* ── Value prop grid ─────────────────────────────────── */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-2xl);
}
.value-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--gap-2xl);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s, border-color 0.15s;
}
.value-card:hover { box-shadow: var(--shadow-md); border-color: var(--accent); }
.value-icon {
  width: 44px; height: 44px;
  background: var(--brand-light);
  color: var(--brand);
  border-radius: 10px;
  display: grid; place-items: center;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: var(--gap-lg);
}
.value-card h3 {
  font-size: 18px;
  margin: 0 0 var(--gap-sm);
  font-weight: 700;
  color: var(--text);
}
.value-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
}

/* ── Two-col split (feature blocks) ──────────────────── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-3xl);
  align-items: center;
  margin-bottom: var(--gap-4xl);
}
.split:last-child { margin-bottom: 0; }
.split.reverse { direction: rtl; }
.split.reverse > * { direction: ltr; }
.split-text h3 {
  font-size: 26px;
  font-weight: 700;
  margin: 0 0 var(--gap);
  color: var(--brand);
  letter-spacing: -0.005em;
}
.split-text p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 var(--gap-lg);
}
.split-text ul { padding-left: 18px; color: var(--text-secondary); font-size: 15px; }
.split-text ul li { margin-bottom: 6px; }
.split-mock {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  flex-direction: column;
}
.mock-titlebar {
  background: var(--brand);
  color: #fff;
  padding: 8px 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}
.mock-titlebar small { color: var(--accent); margin-left: 8px; font-weight: 600; }
.mock-body { padding: var(--gap-lg); flex: 1; }

/* ── Mock board (used in product showcase) ───────────── */
.mock-board {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: var(--gap-sm); font-size: 11px;
}
.mock-col {
  background: var(--surface-alt);
  border-radius: var(--radius-sm);
  padding: var(--gap-sm);
}
.mock-col-title { font-weight: 700; color: var(--text-secondary); text-transform: uppercase; font-size: 9px; letter-spacing: 0.4px; margin-bottom: 6px; }
.mock-card {
  background: var(--surface);
  border-left: 3px solid var(--accent);
  padding: 6px 8px;
  border-radius: 4px;
  margin-bottom: 5px;
  box-shadow: var(--shadow-sm);
  font-size: 11px;
}
.mock-card-name { font-weight: 600; color: var(--text); }
.mock-card-meta { color: var(--text-muted); font-size: 10px; margin-top: 1px; }
.mock-card.crit { border-left-color: var(--danger); }
.mock-card.warn { border-left-color: var(--warning); }
.mock-card.ok   { border-left-color: var(--success); }

/* ── Logos / social proof ────────────────────────────── */
.logo-bar { text-align: center; padding: var(--gap-3xl) var(--gap-xl); background: var(--surface-alt); }
.logo-bar-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: var(--gap-lg);
  font-weight: 600;
}
.logos {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-2xl);
  justify-content: center;
  align-items: center;
}
.logos .logo-name {
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 600;
  opacity: 0.7;
}

/* ── Pricing ─────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-xl);
  max-width: 980px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--gap-2xl);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.pricing-card.featured {
  border: 2px solid var(--accent);
  position: relative;
  box-shadow: var(--shadow-md);
}
.pricing-card.featured::before {
  content: "Most popular";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 12px;
  letter-spacing: 0.3px;
}
.pricing-tier {
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 600;
  margin-bottom: var(--gap-sm);
}
.pricing-price {
  font-size: 36px;
  font-weight: 800;
  color: var(--brand);
  letter-spacing: -0.02em;
  margin-bottom: 2px;
}
.pricing-price small { font-size: 14px; color: var(--text-muted); font-weight: 500; }
.pricing-tagline {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--gap-xl);
}
.pricing-features { list-style: none; padding: 0; margin: 0 0 var(--gap-xl); flex: 1; }
.pricing-features li {
  padding: 8px 0 8px 24px;
  font-size: 14px;
  color: var(--text-secondary);
  position: relative;
  border-top: 1px solid var(--border-light);
}
.pricing-features li:first-child { border-top: 0; }
.pricing-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

/* ── ROI teaser block ────────────────────────────────── */
.roi-teaser {
  background: var(--brand);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--gap-3xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-3xl);
  align-items: center;
}
.roi-teaser h3 { font-size: 28px; margin: 0 0 var(--gap); color: #fff; }
.roi-teaser p { color: rgba(255,255,255,0.8); margin: 0 0 var(--gap-lg); }
.roi-numbers { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap-lg); }
.roi-metric { background: rgba(255,255,255,0.06); padding: var(--gap-lg); border-radius: var(--radius); }
.roi-metric-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  opacity: 0.8;
  margin-bottom: 4px;
}
.roi-metric-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.01em;
}

/* ── Testimonial ─────────────────────────────────────── */
.testimonial {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: var(--gap-2xl);
  max-width: 820px;
  margin: 0 auto;
}
.testimonial-quote {
  font-size: 20px;
  line-height: 1.5;
  color: var(--text);
  font-weight: 500;
  margin: 0 0 var(--gap-lg);
}
.testimonial-attr { font-size: 13px; color: var(--text-secondary); }
.testimonial-attr strong { color: var(--text); }

/* ── CTA block ───────────────────────────────────────── */
.cta {
  background: var(--brand);
  color: #fff;
  text-align: center;
  padding: var(--gap-4xl) var(--gap-xl);
}
.cta h2 { color: #fff; margin-bottom: var(--gap); font-size: 32px; }
.cta-sub { color: rgba(255,255,255,0.8); font-size: 18px; max-width: 620px; margin: 0 auto var(--gap-xl); }
.cta .btn-accent { box-shadow: var(--shadow-md); }

/* ── Form (demo) ─────────────────────────────────────── */
.form-page {
  max-width: 880px;
  margin: 0 auto;
  padding: var(--gap-4xl) var(--gap-xl);
}
.form-page h1 {
  font-size: 36px;
  margin: 0 0 var(--gap);
  font-weight: 800;
  color: var(--brand);
  letter-spacing: -0.01em;
}
.form-page p.lede { font-size: 18px; color: var(--text-secondary); margin-bottom: var(--gap-2xl); }
.form-layout { display: grid; grid-template-columns: 1.6fr 1fr; gap: var(--gap-3xl); }
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--gap-2xl);
  box-shadow: var(--shadow-sm);
}
.form-field { margin-bottom: var(--gap-lg); }
.form-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-secondary);
}
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font: inherit;
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  border-color: var(--accent);
}
.form-field .error { color: var(--danger); font-size: 12px; margin-top: 4px; }
.honeypot { position: absolute; left: -9999px; height: 0; width: 0; overflow: hidden; }
.form-side h3 { font-size: 16px; margin: 0 0 var(--gap-sm); color: var(--brand); }
.form-side p, .form-side li { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
.form-side ul { padding-left: 18px; }

/* ── Thanks page ─────────────────────────────────────── */
.thanks {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--gap-4xl) var(--gap-xl);
  text-align: center;
}
.thanks .check {
  width: 64px; height: 64px;
  background: var(--success-bg);
  color: var(--success);
  border-radius: 50%;
  display: grid; place-items: center;
  margin: 0 auto var(--gap-xl);
  font-size: 32px;
  font-weight: 700;
}
.thanks h1 { font-size: 32px; color: var(--brand); margin: 0 0 var(--gap); }

/* ── Footer ──────────────────────────────────────────── */
.site-footer {
  background: var(--brand-dark);
  color: rgba(255,255,255,0.75);
  padding: var(--gap-3xl) var(--gap-xl) var(--gap-2xl);
}
.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--gap-2xl);
}
.footer-brand h4 { color: #fff; font-size: 18px; margin: 0 0 var(--gap-sm); }
.footer-brand h4 span { color: var(--accent); }
.footer-brand p { font-size: 13px; line-height: 1.6; color: rgba(255,255,255,0.65); }
.footer-col h5 {
  color: #fff; font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.6px;
  margin: 0 0 var(--gap);
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.7);
  font-size: 13px;
  text-decoration: none;
  padding: 4px 0;
}
.footer-col a:hover { color: var(--accent); text-decoration: none; }
.footer-bottom {
  max-width: var(--content-max);
  margin: var(--gap-2xl) auto 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--gap-lg);
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  display: flex;
  justify-content: space-between;
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 900px) {
  .value-grid, .pricing-grid { grid-template-columns: 1fr; }
  .split, .roi-teaser, .form-layout, .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--gap-xl);
  }
  .hero h1 { font-size: 38px; }
  h2 { font-size: 28px; }
  .nav-links { display: none; }
}