:root {
  --bg: #F4F6FA;
  --surface: #FFFFFF;
  --surface-alt: #F8FAFD;
  --border: #E8ECF0;
  --primary: #1565C0;
  --primary-dark: #0D47A1;
  --success: #2E7D32;
  --success-bg: #F0FFF4;
  --success-border: #BFE6C6;
  --warning: #F57C00;
  --warning-bg: #FFF8E1;
  --danger: #C62828;
  --ink: #1a1a1a;
  --ink-soft: #5f6b7a;
  --ink-faint: #93a0ad;
  --radius: 10px;
  --radius-lg: 16px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

:root[data-theme="dark"] {
  --bg: #10151c;
  --surface: #171e27;
  --surface-alt: #1b232d;
  --border: #2a333f;
  --primary: #4d8fe0;
  --primary-dark: #7cb0ec;
  --success: #4caf6b;
  --success-bg: #16261c;
  --success-border: #234a30;
  --warning: #f0a441;
  --warning-bg: #2b2213;
  --danger: #e57373;
  --ink: #eef1f5;
  --ink-soft: #a7b3c0;
  --ink-faint: #6b7684;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #10151c;
    --surface: #171e27;
    --surface-alt: #1b232d;
    --border: #2a333f;
    --primary: #4d8fe0;
    --primary-dark: #7cb0ec;
    --success: #4caf6b;
    --success-bg: #16261c;
    --success-border: #234a30;
    --warning: #f0a441;
    --warning-bg: #2b2213;
    --danger: #e57373;
    --ink: #eef1f5;
    --ink-soft: #a7b3c0;
    --ink-faint: #6b7684;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 {
  font-weight: 700;
  color: var(--ink);
  text-wrap: balance;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
h2 { font-size: 1.85rem; }
h3 { font-size: 1.05rem; margin-bottom: 6px; font-weight: 600; }

p { color: var(--ink-soft); margin: 0 0 14px; max-width: 60ch; font-size: 0.98rem; }

a { color: var(--primary); }

/* Preview banner — mirrors the app's info-banner component */
.preview-strip {
  background: #F0F4FF;
  border-bottom: 1px solid #BDD0FF;
  color: #1A3F7A;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 9px 12px;
}
:root[data-theme="dark"] .preview-strip {
  background: #182338; border-color: #2b3c5c; color: #a9c2f5;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .preview-strip {
    background: #182338; border-color: #2b3c5c; color: #a9c2f5;
  }
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(8px);
  z-index: 10;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 9px;
}
.brand-mark img { display: block; width: 22px; height: 22px; }
.brand-name { font-weight: 700; font-size: 1.1rem; color: var(--ink); }
.main-nav { display: flex; align-items: center; gap: 22px; }
.main-nav a { text-decoration: none; color: var(--ink-soft); font-size: 0.92rem; font-weight: 500; }
.main-nav a:hover { color: var(--ink); }
.nav-cta {
  background: var(--primary);
  color: #fff !important;
  padding: 9px 16px;
  border-radius: 8px;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--primary-dark); }

/* Hero */
.hero { padding: 68px 0 56px; }
.hero .container { max-width: 1280px; }
.hero-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 40px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.82rem; font-weight: 600; color: var(--primary);
  background: var(--surface-alt); border: 1px solid var(--border);
  padding: 5px 12px; border-radius: 99px; margin-bottom: 18px;
}
.hero h1 { font-size: 2.5rem; margin-bottom: 18px; }
.hero h1 .hl { color: var(--primary); }
.hero .lead { font-size: 1.08rem; color: var(--ink-soft); max-width: 48ch; }
.hero-actions { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  border-radius: 9px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
}
.btn-primary { background: var(--primary); color: #fff !important; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: var(--surface); color: var(--ink) !important; border-color: var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary) !important; }
.btn-large { font-size: 1.02rem; padding: 14px 26px; }

/* Hero visual — mirrors the app's PDF-preview / card panel look */
.hero-visual {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 8px 24px rgba(16, 24, 40, 0.06);
  overflow: hidden;
}
.hero-visual .toolbar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-alt);
}
.toolbar .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border); }
.toolbar .label { margin-left: 6px; font-size: 0.82rem; font-weight: 600; color: var(--ink-soft); }
.toolbar .chip {
  margin-left: auto;
  font-size: 0.75rem; color: var(--ink-faint);
  background: var(--surface); border: 1px solid var(--border);
  padding: 3px 10px; border-radius: 6px;
}
.doc-body { padding: 18px 20px; }
.doc-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}
.doc-row:last-child { border-bottom: none; }
.doc-row .check {
  flex: none; width: 20px; height: 20px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--success-bg);
  color: var(--success);
  font-size: 0.75rem;
  border: 1px solid var(--success-border);
}
.doc-row .label { color: var(--ink); flex: 1; }
.doc-row .status {
  font-size: 0.72rem; font-weight: 600;
  color: var(--success);
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  padding: 3px 9px; border-radius: 99px;
}

/* Product screens — real app screenshots in a browser-chrome frame */
.screens-tabs {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin: 30px 0 18px;
}
.screens-tab {
  font-family: inherit;
  font-size: 0.88rem; font-weight: 600;
  color: var(--ink-soft);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 9px 18px;
  cursor: pointer;
}
.screens-tab:hover { color: var(--ink); border-color: var(--ink-faint); }
.screens-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.screens-frame {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 8px 24px rgba(16, 24, 40, 0.06);
  overflow: hidden;
}
.screens-frame .toolbar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-alt);
}
.screens-viewport { background: var(--surface-alt); }
.screens-image { display: block; width: 100%; height: auto; }

/* Sections */
.section { padding: 60px 0; }
.section-alt { background: var(--surface-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-intro { font-size: 1.02rem; max-width: 640px; }
.section-label {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--primary);
  margin-bottom: 8px; display: block;
}

/* Icon chip — mirrors app's colored-icon-in-box pattern */
.icon-chip {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  background: #E3F0FD;
  color: var(--primary);
  font-size: 1.05rem;
  margin-bottom: 14px;
}
:root[data-theme="dark"] .icon-chip { background: #1c3452; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .icon-chip { background: #1c3452; }
}

/* Escalation-chain steps (stakes section) */
.steps-danger .step-num { background: var(--danger); }
.steps-danger strong { color: var(--danger); font-variant-numeric: tabular-nums; }
.stat-footnote {
  margin: 16px 2px 0;
  color: var(--ink-faint);
  font-size: 0.82rem;
}

/* Problem cards */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 30px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

/* Feature grid */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 30px; }
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
}

/* Forms table */
.table-wrap {
  margin-top: 28px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}
.forms-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; min-width: 560px; }
.forms-table th, .forms-table td { text-align: left; padding: 13px 18px; border-bottom: 1px solid var(--border); }
.forms-table th {
  background: var(--surface-alt);
  color: var(--ink-soft);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 700;
}
.forms-table tr:last-child td { border-bottom: none; }
.forms-table td:first-child { font-weight: 700; color: var(--primary); white-space: nowrap; }
.forms-table td:last-child { white-space: nowrap; }
.cadence-pill {
  display: inline-block;
  font-size: 0.76rem; font-weight: 600;
  padding: 3px 10px; border-radius: 99px;
  background: var(--surface-alt);
  color: var(--ink-soft);
  border: 1px solid var(--border);
}

/* Steps */
.steps { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 16px; }
.steps li {
  display: flex; gap: 18px; align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
}
.step-num {
  flex: none; width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center;
}

/* Why section */
.why-inner { max-width: 700px; }
.why-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 18px 0;
}
.why-card p { margin: 0; color: var(--ink); font-size: 0.98rem; }

/* Contact */
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  max-width: 640px;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 8px 24px rgba(16, 24, 40, 0.05);
}
.contact-note { margin-top: 14px; color: var(--ink-faint); font-size: 0.88rem; }

.contact-form { display: flex; flex-direction: column; gap: 18px; margin-top: 22px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field-label { font-size: 0.85rem; font-weight: 600; color: var(--ink); }
.field-required { color: #e0245e; margin-left: 2px; }
.field-hint { font-weight: 500; color: var(--ink-faint); }
.field-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--ink);
  font: inherit;
  box-sizing: border-box;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field-input::placeholder { color: var(--ink-faint); }
.field-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}
.field-textarea { resize: vertical; min-height: 96px; }
.contact-form .btn { margin-top: 4px; align-self: flex-start; }
.contact-form .btn[disabled] { opacity: 0.6; cursor: default; }
.contact-status { margin: 0; font-size: 0.88rem; min-height: 1.2em; }
.contact-status.is-error { color: #c0392b; }
.contact-status.is-ok { color: #1a8a4a; }

/* Footer */
.site-footer { background: var(--surface); border-top: 1px solid var(--border); padding: 28px 0; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 0.85rem; }
.footer-inner p { color: var(--ink-faint); margin: 0; }

/* Legal pages (privacy/terms) */
.legal-page { padding: 56px 0 72px; }
.legal-page .container { max-width: 720px; }
.legal-page h1 { font-size: 2.1rem; margin-top: 8px; }
.legal-page .legal-updated { color: var(--ink-faint); font-size: 0.85rem; margin-bottom: 32px; }
.legal-page h2 { font-size: 1.2rem; margin-top: 32px; }
.legal-page p { max-width: none; }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .card-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .main-nav { display: none; }
  .hero h1 { font-size: 1.9rem; }
  .card-grid, .feature-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
  .contact-card { padding: 24px; }
}