/* Public landing page */
.lp { background: var(--bg); color: var(--text); min-height: 100vh; overflow-x: hidden; }
.lp-nav { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px clamp(16px, 5vw, 64px); background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.lp-brand { display: flex; align-items: center; gap: 10px; font-weight: 750; font-size: 17px; color: var(--text); }
.lp-brand:hover { text-decoration: none; }
.lp-links { display: flex; gap: 22px; }
.lp-links a { color: var(--text-2); font-weight: 550; }
.btn-lg { height: 46px; padding: 0 22px; font-size: 15px; border-radius: 12px; }
.lp-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 48px; align-items: center; padding: 72px clamp(16px, 5vw, 64px) 56px; max-width: 1320px; margin: 0 auto; }
.lp-hero h1 { font-size: clamp(32px, 4.4vw, 54px); line-height: 1.08; letter-spacing: -.03em; margin: 16px 0; }
.lp-hero p { font-size: 18px; color: var(--text-2); line-height: 1.6; margin: 0 0 24px; }
.lp-pill { display: inline-block; padding: 6px 12px; border-radius: 999px; background: var(--primary-soft); color: var(--primary); font-weight: 600; font-size: 13px; }
.lp-trust { margin-top: 18px; color: var(--muted); font-size: 13px; }
.lp-window { border-radius: 16px; border: 1px solid var(--border); background: var(--surface); box-shadow: 0 30px 80px rgba(20, 16, 70, .22); overflow: hidden; transform: perspective(1400px) rotateY(-6deg) rotateX(2deg); }
.lp-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: var(--surface-2); border-bottom: 1px solid var(--border); font-size: 12px; color: var(--muted); }
.lp-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--surface-3); display: inline-block; }
.lp-bar span { margin-left: 8px; }
.lp-body { display: grid; grid-template-columns: 150px minmax(0, 1fr); min-height: 330px; }
.lp-side { background: var(--sidebar); color: var(--sidebar-text); padding: 14px 10px; display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; }
.lp-side b { color: #fff; margin-bottom: 8px; }
.lp-side span { padding: 6px 8px; border-radius: 7px; }
.lp-side span.on { background: rgba(91, 76, 240, .4); color: #fff; }
.lp-main { padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.lp-card { display: flex; gap: 10px; align-items: flex-start; padding: 10px; border: 1px solid var(--border); border-radius: 10px; font-size: 13px; }
.lp-card > div { flex: 1; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.lp-card small { color: var(--muted); }
.lp-card em { font-style: normal; font-size: 12px; padding: 2px 6px; border-radius: 6px; align-self: flex-start; }
.lp-card em.ok { background: var(--success-soft); color: var(--success); }
.lp-card em.bad { background: var(--warning-soft); color: var(--warning); }
.lp-card button { border: 0; background: var(--primary); color: #fff; border-radius: 7px; padding: 5px 10px; font: inherit; font-size: 12px; }
.lp-voice { margin-top: auto; padding: 10px 12px; border-radius: 10px; background: linear-gradient(90deg, var(--primary-soft), transparent); font-size: 13px; }
.lp-section { max-width: 1200px; margin: 0 auto; padding: 64px clamp(16px, 5vw, 64px); }
.lp-section h2, .lp-cta h2 { font-size: clamp(26px, 3vw, 38px); letter-spacing: -.02em; margin: 0 0 8px; }
.lp-sub { color: var(--text-2); font-size: 17px; margin: 0 0 28px; }
.lp-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.lp-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.lp-feature { padding: 20px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); transition: transform .15s, box-shadow .15s; }
.lp-feature:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.lp-feature h3 { margin: 10px 0 6px; font-size: 16px; }
.lp-feature p { margin: 0; color: var(--text-2); font-size: 14px; line-height: 1.55; }
.lp-ico { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; font-size: 22px; background: var(--primary-soft); }
.lp-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.lp-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; font-size: 16px; color: var(--text-2); }
.lp-list li { padding-left: 28px; position: relative; line-height: 1.5; }
.lp-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--success); font-weight: 800; }
.lp-list b { color: var(--text); }
.lp-chat { display: flex; flex-direction: column; gap: 10px; padding: 20px; border-radius: 18px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); }
.lp-chat div { padding: 10px 14px; border-radius: 14px; max-width: 85%; font-size: 14.5px; line-height: 1.5; }
.lp-chat .me { align-self: flex-end; background: var(--primary); color: #fff; border-bottom-right-radius: 4px; }
.lp-chat .bot { align-self: flex-start; background: var(--surface-2); border-bottom-left-radius: 4px; }
.lp-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.lp-stats div { padding: 24px; border-radius: 16px; background: var(--surface); border: 1px solid var(--border); display: flex; flex-direction: column; }
.lp-stats b { font-size: 36px; letter-spacing: -.02em; color: var(--primary); }
.lp-stats span { color: var(--text-2); }
.lp-cta { text-align: center; padding: 72px 16px; margin: 32px clamp(16px, 5vw, 64px); border-radius: 24px; background: radial-gradient(circle at 30% 20%, #3a2fb8 0, #0f1222 70%); color: #fff; }
.lp-cta h2 { margin-bottom: 22px; }
.lp-cta .btn:not(.btn-primary) { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .35); }
.lp-foot { text-align: center; color: var(--muted); padding: 24px 16px 40px; font-size: 13px; }
@media (max-width: 1000px) {
  .lp-hero, .lp-split { grid-template-columns: minmax(0, 1fr); }
  .lp-window { transform: none; }
  .lp-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lp-grid.three { grid-template-columns: minmax(0, 1fr); }
  .lp-links { display: none; }
}
@media (max-width: 560px) {
  .lp-grid { grid-template-columns: minmax(0, 1fr); }
  .lp-body { grid-template-columns: minmax(0, 1fr); }
  .lp-side { display: none; }
  .lp-signin { display: none; }
  .lp-hero { padding-top: 40px; }
}