/* ── RichFlow Landing Page v2 — Dark Premium Theme ──
   Scope: .lp-* only. All colours via var(--token, #fallback).
   Zero bare hex. Zero inline styles. UX Bible §11 compliant.
   ────────────────────────────────────────────────────────── */

/* Self-contained token definitions so this page renders correctly
   when loaded without the full design-system @layer CSS stack.
   Values match the ai-neural dark theme in 10-themes.css. */
:root {
  --bg-page: #0b1220;
  --bg-surface: #111827;
  --bg-elevated: #1a2235;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-tertiary: #4a5568;
  --color-primary: #3395ff;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-purple: #8b5cf6;
  --color-teal: #14b8a6;
  --color-yellow: #eab308;
  --color-white: #fff;
  --color-black: #000;
  --border-default: #2d3748;
  --border-subtle: #1e293b;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

.lp-body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-page, #0b1220);
  color: var(--text-primary, #e2e8f0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.lp-container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ── Buttons ── */
.lp-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: inherit; font-weight: 600; border-radius: 8px;
  border: 2px solid transparent; cursor: pointer;
  text-decoration: none; white-space: nowrap;
  padding: 10px 22px; font-size: 0.9rem;
  transition: background 0.18s, color 0.18s, border-color 0.18s, box-shadow 0.18s;
}
.lp-btn-lg { padding: 15px 32px; font-size: 1rem; border-radius: 10px; }
.lp-btn-primary {
  background: var(--color-primary, #3395ff);
  color: var(--color-white, #fff);
  border-color: var(--color-primary, #3395ff);
}
.lp-btn-primary:hover {
  background: var(--color-primary-hover, #1a80ff);
  border-color: var(--color-primary-hover, #1a80ff);
  box-shadow: 0 0 24px color-mix(in srgb, var(--color-primary, #3395ff) 40%, transparent);
}
.lp-btn-outline {
  background: transparent;
  color: var(--text-primary, #e2e8f0);
  border-color: var(--border-default, #2d3748);
}
.lp-btn-outline:hover {
  border-color: var(--color-primary, #3395ff);
  color: var(--color-primary, #3395ff);
}
.lp-btn-ghost {
  background: color-mix(in srgb, var(--color-white, #fff) 8%, transparent);
  color: var(--text-secondary, #94a3b8);
  border-color: var(--border-subtle, #1e293b);
}
.lp-btn-ghost:hover {
  background: color-mix(in srgb, var(--color-white, #fff) 12%, transparent);
  color: var(--text-primary, #e2e8f0);
}

/* ── Nav ── */
.lp-nav {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg-page, #0b1220) 85%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle, #1e293b);
}
.lp-nav-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 24px;
  height: 58px; display: flex; align-items: center; gap: 28px;
}
.lp-logo { display: flex; align-items: center; gap: 6px; text-decoration: none; flex-shrink: 0; }
.lp-logo-bolt { font-size: 1.25rem; }
.lp-logo-name { font-size: 1.15rem; font-weight: 800; color: var(--text-primary, #e2e8f0); letter-spacing: -0.3px; }
.lp-logo-pill {
  font-size: 0.6rem; font-weight: 700;
  background: var(--color-primary, #3395ff);
  color: var(--color-white, #fff);
  padding: 2px 6px; border-radius: 4px; letter-spacing: 0.5px;
}
.lp-nav-links { display: flex; gap: 4px; flex: 1; }
.lp-nav-a {
  text-decoration: none; font-size: 0.875rem; font-weight: 500;
  color: var(--text-secondary, #94a3b8);
  padding: 6px 12px; border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}
.lp-nav-a:hover { color: var(--text-primary, #e2e8f0); background: color-mix(in srgb, var(--color-white, #fff) 6%, transparent); }
.lp-nav-login { margin-left: auto; }

/* ── Hero ── */
.lp-hero { position: relative; padding: 80px 0 64px; text-align: center; overflow: hidden; }
.lp-hero-glow {
  position: absolute; top: -120px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 500px; border-radius: 50%;
  background: radial-gradient(ellipse, color-mix(in srgb, var(--color-primary, #3395ff) 18%, transparent), transparent 70%);
  pointer-events: none;
}
.lp-hero-badge {
  display: inline-block;
  background: color-mix(in srgb, var(--color-primary, #3395ff) 15%, transparent);
  color: var(--color-primary, #3395ff);
  border: 1px solid color-mix(in srgb, var(--color-primary, #3395ff) 30%, transparent);
  font-size: 0.78rem; font-weight: 600;
  padding: 5px 16px; border-radius: 20px; margin-bottom: 24px;
}
.lp-hero-h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 900; line-height: 1.1; letter-spacing: -1.5px;
  color: var(--text-primary, #e2e8f0); margin-bottom: 20px;
}
.lp-gradient-text {
  background: linear-gradient(135deg, var(--color-primary, #3395ff), color-mix(in srgb, var(--color-primary, #3395ff) 60%, var(--color-success, #10b981)));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.lp-hero-sub {
  font-size: 1.1rem; color: var(--text-secondary, #94a3b8);
  max-width: 600px; margin: 0 auto 36px; line-height: 1.75;
}
.lp-hero-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 52px; }

/* ── Dashboard Mockup ── */
.lp-mockup {
  max-width: 900px; margin: 0 auto;
  background: var(--bg-surface, #111827);
  border: 1px solid var(--border-default, #2d3748);
  border-radius: 14px;
  box-shadow: 0 32px 80px color-mix(in srgb, var(--color-primary, #3395ff) 12%, transparent),
              0 8px 32px color-mix(in srgb, var(--color-black, #000) 50%, transparent);
  overflow: hidden;
  text-align: left;
}
.lp-mockup-bar {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 16px;
  background: var(--bg-elevated, #1a2235);
  border-bottom: 1px solid var(--border-subtle, #1e293b);
}
.lp-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.lp-dot-r { background: color-mix(in srgb, var(--color-danger, #ef4444) 80%, transparent); }
.lp-dot-y { background: color-mix(in srgb, var(--color-warning, #f59e0b) 80%, transparent); }
.lp-dot-g { background: color-mix(in srgb, var(--color-success, #10b981) 80%, transparent); }
.lp-mockup-url {
  font-size: 0.72rem; color: var(--text-tertiary, #4a5568);
  margin-left: 8px; font-weight: 500;
}
.lp-mockup-body { padding: 20px; display: flex; flex-direction: column; gap: 16px; }
.lp-mock-kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.lp-mock-kpi {
  background: var(--bg-elevated, #1a2235);
  border: 1px solid var(--border-subtle, #1e293b);
  border-radius: 10px; padding: 14px 16px;
}
.lp-mock-kpi-label { font-size: 0.7rem; color: var(--text-tertiary, #4a5568); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; font-weight: 600; }
.lp-mock-kpi-val { font-size: 1.3rem; font-weight: 800; margin-bottom: 4px; }
.lp-mock-kpi-sub { font-size: 0.7rem; color: var(--text-tertiary, #4a5568); }
.lp-col-green  { color: var(--color-success, #10b981); }
.lp-col-blue   { color: var(--color-primary, #3395ff); }
.lp-col-yellow { color: var(--color-warning, #f59e0b); }
.lp-col-purple { color: var(--color-purple, #8b5cf6); }
.lp-mock-actions {
  background: var(--bg-elevated, #1a2235);
  border: 1px solid var(--border-subtle, #1e293b);
  border-radius: 10px; padding: 14px 16px;
  display: flex; flex-direction: column; gap: 8px;
}
.lp-mock-action-title { font-size: 0.78rem; font-weight: 700; color: var(--text-secondary, #94a3b8); margin-bottom: 4px; }
.lp-mock-action-row { font-size: 0.78rem; padding: 7px 12px; border-radius: 6px; font-weight: 500; }
.lp-ma-green { background: color-mix(in srgb, var(--color-success, #10b981) 12%, transparent); color: var(--color-success, #10b981); }
.lp-ma-blue  { background: color-mix(in srgb, var(--color-primary, #3395ff) 12%, transparent); color: var(--color-primary, #3395ff); }
.lp-ma-yellow{ background: color-mix(in srgb, var(--color-warning, #f59e0b) 12%, transparent); color: var(--color-warning, #f59e0b); }
.lp-ma-red   { background: color-mix(in srgb, var(--color-danger, #ef4444) 12%, transparent); color: var(--color-danger, #ef4444); }

/* ── Sections ── */
.lp-section { padding: 80px 0; }
.lp-section-mid { background: var(--bg-surface, #111827); }
.lp-sec-hd { text-align: center; margin-bottom: 52px; }
.lp-sec-label {
  display: inline-block; font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.2px;
  color: var(--color-primary, #3395ff); margin-bottom: 10px;
}
.lp-sec-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800;
  color: var(--text-primary, #e2e8f0); letter-spacing: -0.5px; margin-bottom: 12px;
}
.lp-sec-sub { font-size: 1rem; color: var(--text-secondary, #94a3b8); max-width: 520px; margin: 0 auto; }

/* ── Problem/Solution ── */
.lp-ps-grid {
  display: flex; align-items: flex-start; gap: 0;
  background: var(--bg-elevated, #1a2235);
  border: 1px solid var(--border-default, #2d3748);
  border-radius: 16px; overflow: hidden;
}
.lp-ps-col { flex: 1; padding: 36px 32px; }
.lp-ps-problem { border-right: 1px solid var(--border-default, #2d3748); }
.lp-ps-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px; }
.lp-ps-label-bad  { color: var(--color-danger, #ef4444); }
.lp-ps-label-good { color: var(--color-success, #10b981); }
.lp-ps-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.lp-ps-list li { font-size: 0.9rem; line-height: 1.5; }
.lp-ps-bad  li { color: var(--text-secondary, #94a3b8); }
.lp-ps-good li { color: var(--text-primary, #e2e8f0); font-weight: 500; }
.lp-ps-arrow {
  font-size: 2rem; color: var(--color-primary, #3395ff);
  align-self: center; padding: 0 8px; flex-shrink: 0;
}

/* ── Features Grid ── */
.lp-feat-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px;
}
.lp-feat-card {
  background: var(--bg-surface, #111827);
  border: 1px solid var(--border-default, #2d3748);
  border-radius: 14px; padding: 24px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.lp-feat-card:hover {
  border-color: var(--color-primary, #3395ff);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px color-mix(in srgb, var(--color-primary, #3395ff) 12%, transparent);
}
.lp-feat-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.lp-feat-icon {
  width: 42px; height: 42px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
}
.lp-fi-blue   { background: color-mix(in srgb, var(--color-primary, #3395ff) 16%, transparent); }
.lp-fi-purple { background: color-mix(in srgb, var(--color-purple, #8b5cf6) 16%, transparent); }
.lp-fi-green  { background: color-mix(in srgb, var(--color-success, #10b981) 16%, transparent); }
.lp-fi-orange { background: color-mix(in srgb, var(--color-warning, #f59e0b) 16%, transparent); }
.lp-fi-red    { background: color-mix(in srgb, var(--color-danger, #ef4444) 16%, transparent); }
.lp-fi-teal   { background: color-mix(in srgb, var(--color-teal, #14b8a6) 16%, transparent); }
.lp-fi-yellow { background: color-mix(in srgb, var(--color-yellow, #eab308) 16%, transparent); }
.lp-feat-badge {
  font-size: 0.65rem; font-weight: 700; padding: 3px 8px; border-radius: 4px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.lp-badge-pro  { background: color-mix(in srgb, var(--color-warning, #f59e0b) 18%, transparent); color: var(--color-warning, #f59e0b); }
.lp-badge-free { background: color-mix(in srgb, var(--color-success, #10b981) 18%, transparent); color: var(--color-success, #10b981); }
.lp-feat-name { font-size: 1rem; font-weight: 700; color: var(--text-primary, #e2e8f0); margin-bottom: 8px; }
.lp-feat-desc { font-size: 0.845rem; color: var(--text-secondary, #94a3b8); line-height: 1.65; }

/* ── Pricing ── */
.lp-pricing-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  max-width: 780px; margin: 0 auto 28px;
}
.lp-plan {
  background: var(--bg-elevated, #1a2235);
  border: 1px solid var(--border-default, #2d3748);
  border-radius: 18px; padding: 36px 32px;
  position: relative;
}
.lp-plan-pro {
  border-color: var(--color-primary, #3395ff);
  box-shadow: 0 0 40px color-mix(in srgb, var(--color-primary, #3395ff) 15%, transparent);
}
.lp-plan-popular {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--color-primary, #3395ff); color: var(--color-white, #fff);
  font-size: 0.7rem; font-weight: 700; padding: 3px 14px; border-radius: 20px;
  white-space: nowrap; text-transform: uppercase; letter-spacing: 0.5px;
}
.lp-plan-name { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--text-secondary, #94a3b8); margin-bottom: 14px; }
.lp-plan-price { display: flex; align-items: baseline; gap: 6px; margin-bottom: 10px; }
.lp-plan-amt { font-size: 2.6rem; font-weight: 900; color: var(--text-primary, #e2e8f0); letter-spacing: -1px; }
.lp-plan-per { font-size: 0.9rem; color: var(--text-secondary, #94a3b8); }
.lp-plan-tagline { font-size: 0.85rem; color: var(--text-secondary, #94a3b8); margin-bottom: 24px; }
.lp-plan-features { list-style: none; display: flex; flex-direction: column; gap: 9px; margin-bottom: 28px; }
.lp-plan-features li { font-size: 0.85rem; color: var(--text-primary, #e2e8f0); }
.lp-pf-dim { color: var(--text-tertiary, #4a5568) !important; }
.lp-plan-cta { width: 100%; justify-content: center; }
.lp-plan-note { text-align: center; font-size: 0.75rem; color: var(--text-tertiary, #4a5568); margin-top: 10px; }
.lp-pricing-note {
  text-align: center; font-size: 0.9rem;
  color: var(--text-secondary, #94a3b8);
  background: color-mix(in srgb, var(--color-primary, #3395ff) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-primary, #3395ff) 20%, transparent);
  border-radius: 10px; padding: 14px 20px; max-width: 500px; margin: 0 auto;
}

/* ── Who ── */
.lp-who-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.lp-who-card {
  background: var(--bg-surface, #111827);
  border: 1px solid var(--border-default, #2d3748);
  border-radius: 14px; padding: 26px; text-align: center;
}
.lp-who-ico { font-size: 1.8rem; display: block; margin-bottom: 12px; }
.lp-who-card strong { display: block; font-size: 0.95rem; color: var(--text-primary, #e2e8f0); margin-bottom: 8px; }
.lp-who-card p { font-size: 0.845rem; color: var(--text-secondary, #94a3b8); line-height: 1.65; }

/* ── Support ── */
.lp-support-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.lp-support-card {
  display: flex; align-items: center; gap: 16px;
  background: var(--bg-elevated, #1a2235);
  border: 1px solid var(--border-default, #2d3748);
  border-radius: 12px; padding: 20px 22px; text-decoration: none;
  transition: border-color 0.18s;
}
.lp-support-card:hover { border-color: var(--color-primary, #3395ff); }
.lp-support-ico { font-size: 1.6rem; flex-shrink: 0; }
.lp-support-lbl { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.6px; color: var(--text-tertiary, #4a5568); margin-bottom: 3px; }
.lp-support-val { font-size: 0.9rem; font-weight: 600; color: var(--text-primary, #e2e8f0); }

/* ── CTA Band ── */
.lp-cta-band {
  padding: 80px 0; text-align: center;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--color-primary, #3395ff) 18%, var(--bg-page, #0b1220)),
    var(--bg-page, #0b1220));
}
.lp-cta-inner { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.lp-cta-h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 800; color: var(--text-primary, #e2e8f0); letter-spacing: -0.5px; }
.lp-cta-sub { font-size: 1rem; color: var(--text-secondary, #94a3b8); }

/* ── Footer ── */
.lp-footer {
  background: var(--bg-surface, #111827);
  border-top: 1px solid var(--border-subtle, #1e293b);
  padding: 28px 0;
}
.lp-footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.lp-footer-links { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
.lp-footer-a { font-size: 0.84rem; color: var(--text-secondary, #94a3b8); text-decoration: none; transition: color 0.15s; }
.lp-footer-a:hover { color: var(--color-primary, #3395ff); }
.lp-footer-copy { font-size: 0.72rem; color: var(--text-tertiary, #4a5568); width: 100%; margin-top: 6px; }

/* ── Responsive ── */
@media (max-width: 760px) {
  .lp-nav-links { display: none; }
  .lp-hero { padding: 56px 0 48px; }
  .lp-mock-kpis { grid-template-columns: repeat(2, 1fr); }
  .lp-ps-grid { flex-direction: column; }
  .lp-ps-problem { border-right: none; border-bottom: 1px solid var(--border-default, #2d3748); }
  .lp-ps-arrow { display: none; }
  .lp-pricing-grid { grid-template-columns: 1fr; max-width: 420px; }
  .lp-section { padding: 56px 0; }
  .lp-footer-inner { flex-direction: column; align-items: flex-start; }
}