/* Landing showcase — AI story, mockups, stories, languages */

.lx-section {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(56px, 8vh, 96px) 0 12px;
}
.lx-section-head {
  max-width: 640px;
  margin-bottom: 28px;
}
.lx-section-head .lx-kicker { margin-bottom: 10px; }
.lx-section-head h2 {
  margin: 0;
  font-family: var(--lx-display);
  font-size: clamp(1.9rem, 4vw, 3.1rem);
  letter-spacing: -.04em;
  line-height: 1.05;
}
.lx-section-head p {
  margin: 12px 0 0;
  color: var(--lx-muted);
  font-size: 1.02rem;
  line-height: 1.6;
  max-width: 52ch;
}

/* ── AI pipeline ─────────────────────────────────────────────────────────── */
.lx-ai {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: stretch;
}
.lx-ai-rail {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.lx-ai-step {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--lx-line);
  background: color-mix(in srgb, var(--lx-panel) 88%, transparent);
  transition: border-color .35s ease, background .35s ease, transform .35s ease;
}
.lx-ai-step.is-on {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--lx-line));
  background: color-mix(in srgb, var(--accent) 10%, var(--lx-panel));
  transform: translateX(4px);
}
.lx-ai-num {
  width: 42px; height: 42px;
  border-radius: 14px;
  display: grid; place-items: center;
  font-weight: 800;
  font-size: .9rem;
  color: var(--lx-muted);
  background: color-mix(in srgb, var(--lx-ink) 6%, transparent);
}
.lx-ai-step.is-on .lx-ai-num {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 45%, transparent);
  animation: lx-pulse-ring 1.8s ease-out infinite;
}
@keyframes lx-pulse-ring {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 40%, transparent); }
  70% { box-shadow: 0 0 0 12px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}
.lx-ai-step strong {
  display: block;
  font-size: .98rem;
  letter-spacing: -.01em;
}
.lx-ai-step span {
  display: block;
  margin-top: 4px;
  color: var(--lx-muted);
  font-size: .84rem;
  line-height: 1.45;
}
.lx-ai-viz {
  position: relative;
  border-radius: 24px;
  border: 1px solid var(--lx-line);
  background:
    radial-gradient(420px 180px at 90% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
    var(--lx-panel);
  padding: 22px;
  overflow: hidden;
  min-height: 360px;
}
.lx-ai-viz::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -12deg,
    transparent,
    transparent 18px,
    color-mix(in srgb, var(--accent) 4%, transparent) 18px,
    color-mix(in srgb, var(--accent) 4%, transparent) 19px
  );
  pointer-events: none;
}
.lx-ai-doc {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.lx-ai-doc-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.lx-ai-file {
  font-weight: 700;
  font-size: .92rem;
}
.lx-ai-conf {
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #1f8a4c;
}
.lx-ai-page {
  position: relative;
  flex: 1;
  min-height: 180px;
  border-radius: 14px;
  border: 1px solid var(--lx-line);
  background: color-mix(in srgb, var(--lx-mist) 70%, #fff);
  padding: 16px;
  overflow: hidden;
}
.lx-ai-line {
  height: 8px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--lx-ink) 10%, transparent);
  margin-bottom: 10px;
}
.lx-ai-line:nth-child(1) { width: 72%; }
.lx-ai-line:nth-child(2) { width: 88%; }
.lx-ai-line:nth-child(3) { width: 54%; }
.lx-ai-line:nth-child(4) { width: 66%; }
.lx-ai-line.is-hit {
  background: color-mix(in srgb, var(--accent) 55%, transparent);
  animation: lx-glow-bar 1.2s ease-in-out infinite alternate;
}
@keyframes lx-glow-bar {
  from { filter: brightness(1); }
  to { filter: brightness(1.25); }
}
.lx-ai-fields {
  display: grid;
  gap: 8px;
}
.lx-ai-field {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--lx-line);
  background: color-mix(in srgb, var(--lx-mist) 55%, transparent);
  font-size: .86rem;
  opacity: .35;
  transform: translateY(6px);
  transition: opacity .4s ease, transform .4s ease;
}
.lx-ai-field.is-on {
  opacity: 1;
  transform: none;
}
.lx-ai-field span { color: var(--lx-muted); }
.lx-ai-field b { font-variant-numeric: tabular-nums; }

/* ── Product mockups ─────────────────────────────────────────────────────── */
.lx-mocks {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.lx-mock {
  border-radius: 22px;
  border: 1px solid var(--lx-line);
  background: var(--lx-panel);
  overflow: hidden;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 18px 40px color-mix(in srgb, #0d1410 8%, transparent);
}
.lx-mock-head {
  padding: 16px 18px 10px;
}
.lx-mock-head h3 {
  margin: 0;
  font-family: var(--lx-display);
  font-size: 1.35rem;
  letter-spacing: -.02em;
}
.lx-mock-head p {
  margin: 6px 0 0;
  color: var(--lx-muted);
  font-size: .84rem;
  line-height: 1.45;
}
.lx-mock-stage {
  flex: 1;
  margin: 0 14px 14px;
  border-radius: 16px;
  border: 1px solid var(--lx-line);
  background: color-mix(in srgb, var(--lx-mist) 80%, #fff);
  padding: 14px;
  position: relative;
  overflow: hidden;
}

/* Invoice mock */
.lx-inv-mock {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
}
.lx-inv-brand {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.lx-inv-brand strong {
  font-family: var(--lx-display);
  font-size: 1.2rem;
}
.lx-inv-brand em {
  font-style: normal;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--accent);
}
.lx-inv-row {
  display: grid;
  grid-template-columns: 1.4fr .4fr .6fr .6fr;
  gap: 6px;
  font-size: .72rem;
  color: var(--lx-muted);
  padding: 6px 0;
  border-bottom: 1px solid var(--lx-line);
  opacity: 0;
  animation: lx-row-in .55s ease both;
}
.lx-inv-row.is-head { font-weight: 700; opacity: 1; animation: none; color: var(--lx-ink); }
.lx-inv-row:nth-child(2) { animation-delay: .15s; }
.lx-inv-row:nth-child(3) { animation-delay: .35s; }
.lx-inv-row:nth-child(4) { animation-delay: .55s; }
@keyframes lx-row-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
.lx-inv-total {
  margin-top: auto;
  align-self: flex-end;
  text-align: right;
  padding: 10px 12px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}
.lx-inv-total span { display: block; font-size: .68rem; color: var(--lx-muted); font-weight: 700; }
.lx-inv-total strong {
  font-family: var(--lx-display);
  font-size: 1.35rem;
  letter-spacing: -.02em;
}

/* Tracker mock */
.lx-track-bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 72px;
  margin-bottom: 12px;
}
.lx-track-bar {
  flex: 1;
  border-radius: 6px 6px 2px 2px;
  background: color-mix(in srgb, var(--accent) 55%, transparent);
  height: var(--h, 40%);
  animation: lx-bar-pulse 2.4s ease-in-out infinite;
  animation-delay: var(--d, 0s);
}
.lx-track-bar.is-idle {
  background: color-mix(in srgb, #b7791f 55%, transparent);
}
@keyframes lx-bar-pulse {
  0%, 100% { transform: scaleY(1); opacity: .85; }
  50% { transform: scaleY(1.08); opacity: 1; }
}

/* Doc processor mock */
.lx-doc-stack {
  position: relative;
  height: 120px;
  margin-bottom: 12px;
}
.lx-doc-sheet {
  position: absolute;
  inset: 0 18px auto;
  height: 96px;
  border-radius: 10px;
  border: 1px solid var(--lx-line);
  background: #fff;
  box-shadow: 0 8px 18px color-mix(in srgb, #0d1410 10%, transparent);
}
:root[data-theme="dark"] .lx-doc-sheet { background: #1a2420; }
.lx-doc-sheet:nth-child(1) { transform: rotate(-4deg) translateY(8px); opacity: .55; }
.lx-doc-sheet:nth-child(2) { transform: rotate(2deg) translateY(4px); opacity: .75; }
.lx-doc-sheet:nth-child(3) {
  transform: none;
  opacity: 1;
  overflow: hidden;
}
.lx-doc-sheet:nth-child(3)::after {
  content: "";
  position: absolute;
  left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: lx-scan 1.8s linear infinite;
}

/* ── Story rail ──────────────────────────────────────────────────────────── */
.lx-stories {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 18px;
  border-radius: 24px;
  border: 1px solid var(--lx-line);
  background: var(--lx-panel);
  overflow: hidden;
  min-height: 320px;
}
.lx-story-tabs {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px;
  border-right: 1px solid var(--lx-line);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}
.lx-story-tab {
  appearance: none;
  border: 0;
  background: transparent;
  text-align: left;
  font: inherit;
  font-weight: 700;
  font-size: .92rem;
  color: var(--lx-muted);
  padding: 12px 12px;
  border-radius: 12px;
  cursor: pointer;
  transition: background .25s ease, color .25s ease;
}
.lx-story-tab.is-on {
  color: var(--lx-ink);
  background: color-mix(in srgb, var(--accent) 16%, transparent);
}
.lx-story-pane {
  padding: 22px 24px 24px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 18px;
  align-items: center;
}
.lx-story-copy h3 {
  margin: 0;
  font-family: var(--lx-display);
  font-size: 1.8rem;
  letter-spacing: -.03em;
}
.lx-story-copy p {
  margin: 10px 0 18px;
  color: var(--lx-muted);
  line-height: 1.55;
  font-size: .95rem;
}
.lx-story-viz {
  border-radius: 16px;
  border: 1px solid var(--lx-line);
  background: color-mix(in srgb, var(--lx-mist) 70%, #fff);
  min-height: 200px;
  padding: 16px;
  position: relative;
  overflow: hidden;
}
.lx-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.lx-chip {
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid var(--lx-line);
  font-size: .78rem;
  font-weight: 700;
  color: var(--lx-muted);
  background: color-mix(in srgb, var(--lx-panel) 80%, transparent);
}
.lx-chip.is-on {
  color: var(--lx-ink);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--lx-line));
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  animation: lx-live 1.8s ease-in-out infinite;
}
.lx-progress {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  background: color-mix(in srgb, var(--accent) 15%, transparent);
}
.lx-progress > i {
  display: block;
  height: 100%;
  width: var(--p, 0%);
  background: var(--accent);
  transition: width .2s linear;
}

/* ── Languages ───────────────────────────────────────────────────────────── */
.lx-langs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.lx-lang {
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--lx-line);
  background: var(--lx-panel);
  color: inherit;
  font: inherit;
  font-weight: 700;
  font-size: .88rem;
  min-width: 7.5rem;
  text-align: start;
  cursor: pointer;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.lx-lang:hover,
.lx-lang.is-pulse {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--lx-line));
  transform: translateY(-2px);
  box-shadow: 0 10px 22px color-mix(in srgb, var(--accent) 16%, transparent);
}
.lx-lang.is-active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--lx-panel));
}
.lx-lang small {
  display: block;
  margin-top: 2px;
  font-weight: 600;
  font-size: .72rem;
  color: var(--lx-muted);
}
.lx-demo-hint {
  margin: 12px 0 0;
  max-width: 36rem;
  color: var(--lx-muted);
  font-size: .82rem;
  line-height: 1.45;
}

/* ── Feature matrix ──────────────────────────────────────────────────────── */
.lx-feat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.lx-feat {
  padding: 16px 16px 14px;
  border-radius: 18px;
  border: 1px solid var(--lx-line);
  background: color-mix(in srgb, var(--lx-panel) 92%, transparent);
  min-height: 118px;
}
.lx-feat-ico {
  width: 34px; height: 34px;
  border-radius: 11px;
  margin-bottom: 12px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 70%, #14532d), var(--accent));
  opacity: .92;
}
.lx-feat h3 {
  margin: 0;
  font-size: .98rem;
  letter-spacing: -.01em;
}
.lx-feat p {
  margin: 6px 0 0;
  color: var(--lx-muted);
  font-size: .8rem;
  line-height: 1.4;
}

/* ── Compact try ─────────────────────────────────────────────────────────── */
.lx-try-compact {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items: start;
}
.lx-try-paths {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.lx-try-card {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--lx-line);
  background: var(--lx-panel);
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 180px;
}
.lx-try-card h3 { margin: 0; font-size: 1.05rem; }
.lx-try-card p {
  margin: 0;
  flex: 1;
  color: var(--lx-muted);
  font-size: .84rem;
  line-height: 1.45;
}
.lx-try-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: .78rem;
  color: var(--lx-muted);
}
.lx-try-meta code {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: .74rem;
  padding: 2px 6px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}
.lx-roles {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--lx-line);
  background: color-mix(in srgb, var(--accent) 7%, var(--lx-panel));
}
.lx-creds {
  padding: 22px;
  border-radius: 20px;
  border: 1px solid var(--lx-line);
  background: color-mix(in srgb, var(--accent) 8%, var(--lx-panel));
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.lx-creds-pass {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: .88rem;
  color: var(--lx-muted);
}
.lx-creds-pass code {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: .92rem;
  font-weight: 700;
  color: var(--lx-ink);
  padding: 6px 12px;
  border-radius: 10px;
  background: var(--lx-panel);
  border: 1px solid var(--lx-line);
}
.lx-creds-hint {
  margin: 0;
  font-size: .82rem;
  line-height: 1.45;
  color: var(--lx-muted);
}
.lx-account-tag {
  font-style: normal;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ── Why pillars ─────────────────────────────────────────────────────────── */
.lx-pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.lx-pillar {
  padding: 20px 18px;
  border-radius: 18px;
  border: 1px solid var(--lx-line);
  background: var(--lx-panel);
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
  animation: lx-pillar-in .6s ease both;
}
.lx-pillars .lx-pillar:nth-child(2) { animation-delay: .08s; }
.lx-pillars .lx-pillar:nth-child(3) { animation-delay: .16s; }
.lx-pillar:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--lx-line));
  box-shadow: 0 14px 28px color-mix(in srgb, var(--accent) 12%, transparent);
}
@keyframes lx-pillar-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
.lx-pillar strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 8px;
}
.lx-pillar p {
  margin: 0;
  color: var(--lx-muted);
  font-size: .88rem;
  line-height: 1.5;
}
@media (max-width: 860px) {
  .lx-pillars { grid-template-columns: 1fr; }
}

/* ── Tracker demo: 3 login + presence cards ─────────────────────────────── */
.lx-tracker-demo .lx-creds-pass { margin-bottom: 4px; }
.lx-tracker-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.lx-person-card {
  padding: 18px;
  border-radius: 20px;
  border: 1px solid var(--lx-line);
  background: var(--lx-panel);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  animation: lx-pillar-in .55s ease both;
}
.lx-tracker-cards .lx-person-card:nth-child(2) { animation-delay: .08s; }
.lx-tracker-cards .lx-person-card:nth-child(3) { animation-delay: .16s; }
.lx-person-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 32px color-mix(in srgb, var(--accent) 14%, transparent);
}
.lx-person-card.is-online {
  border-color: color-mix(in srgb, #22c55e 45%, var(--lx-line));
  box-shadow: 0 12px 28px color-mix(in srgb, #22c55e 12%, transparent);
}
.lx-person-card.is-idle {
  border-color: color-mix(in srgb, #eab308 45%, var(--lx-line));
}
.lx-person-top {
  display: flex;
  align-items: center;
  gap: 12px;
}
.lx-person-top > div { flex: 1; min-width: 0; }
.lx-person-top strong { display: block; font-size: 1rem; }
.lx-person-role {
  display: block;
  font-size: .72rem;
  font-weight: 700;
  color: var(--lx-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.lx-person-status {
  font-style: normal;
  font-size: .78rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--lx-muted) 14%, transparent);
  color: var(--lx-muted);
}
.lx-person-status.is-ok {
  background: color-mix(in srgb, #22c55e 18%, transparent);
  color: #15803d;
}
.lx-person-status.is-warn {
  background: color-mix(in srgb, #eab308 20%, transparent);
  color: #a16207;
}
.lx-person-card > p {
  margin: 0;
  font-size: .84rem;
  line-height: 1.45;
  color: var(--lx-muted);
  flex: 1;
}
.lx-person-creds {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.lx-person-creds code {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: .74rem;
  padding: 4px 8px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--lx-ink);
}
.lx-person-card .lx-cta {
  width: 100%;
  justify-content: center;
  text-align: center;
  padding: 12px 14px;
  font-size: .9rem;
}
.lx-tracker-download {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}
.lx-tracker-download .lx-creds-hint { flex: 1 1 220px; }
@media (max-width: 900px) {
  .lx-tracker-cards { grid-template-columns: 1fr; }
}
.lx-roles h3 { margin: 0 0 6px; font-size: 1.05rem; }
.lx-roles > p {
  margin: 0 0 14px;
  color: var(--lx-muted);
  font-size: .82rem;
}
.lx-account-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.lx-account {
  appearance: none;
  border: 1px solid var(--lx-line);
  background: var(--lx-panel);
  border-radius: 14px;
  padding: 12px 14px;
  text-align: left;
  cursor: pointer;
  font: inherit;
  display: grid;
  gap: 2px;
  transition: border-color .2s ease, transform .2s ease;
}
.lx-account:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--lx-line));
  transform: translateY(-1px);
}
.lx-account:disabled { opacity: .55; cursor: not-allowed; }
.lx-account strong { font-size: .92rem; }
.lx-account code {
  font-size: .74rem;
  color: var(--lx-muted);
}
.lx-account span {
  font-size: .78rem;
  color: var(--lx-muted);
}

.lx-lang-slot {
  display: inline-flex;
  align-items: center;
}
.lx-nav .public-lang-picker {
  position: static;
  inset: auto;
  margin: 0;
}
.lx-nav .public-lang-select {
  min-width: 7.5rem;
}

.lx-foot {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 36px));
  margin: 48px auto 0;
  padding: 22px 0 36px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--lx-line);
  color: var(--lx-muted);
  font-size: .88rem;
}
.lx-foot a { color: var(--lx-ink); font-weight: 700; text-decoration: none; }

@media (max-width: 980px) {
  .lx-ai,
  .lx-mocks,
  .lx-stories,
  .lx-story-pane,
  .lx-try-compact,
  .lx-feat-grid { grid-template-columns: 1fr; }
  .lx-story-tabs {
    flex-direction: row;
    flex-wrap: wrap;
    border-right: 0;
    border-bottom: 1px solid var(--lx-line);
  }
  .lx-feat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lx-try-paths { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .lx-feat-grid { grid-template-columns: 1fr; }
  .lx-hero-main { grid-template-columns: 1fr; }
  .lx-theater { min-height: 420px; }
}

/* ── Capability graph (expandable branches) ──────────────────────────────── */
.lx-graph-section .lx-section-head { max-width: 720px; }
.lx-graph {
  display: grid;
  gap: 22px;
  margin-top: 8px;
}
.lx-graph-hub {
  justify-self: center;
  text-align: center;
  padding: 22px 36px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--lx-line));
  background:
    radial-gradient(120% 120% at 50% 0%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%),
    var(--lx-panel);
  box-shadow: 0 18px 40px color-mix(in srgb, var(--lx-ink) 8%, transparent);
  animation: lx-hub-glow 4.5s ease-in-out infinite;
}
.lx-graph-hub strong {
  display: block;
  font-family: var(--lx-display);
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  letter-spacing: -.03em;
}
.lx-graph-hub span {
  display: block;
  margin-top: 6px;
  color: var(--lx-muted);
  font-size: .82rem;
}
@keyframes lx-hub-glow {
  0%, 100% { box-shadow: 0 18px 40px color-mix(in srgb, var(--lx-ink) 8%, transparent); }
  50% { box-shadow: 0 22px 52px color-mix(in srgb, var(--accent) 22%, transparent); }
}
.lx-graph-branches {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}
.lx-graph-branch {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.lx-graph-branch > header {
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--lx-muted);
  padding: 0 4px;
}
.lx-graph-nodes {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.lx-gnode {
  appearance: none;
  border: 1px solid var(--lx-line);
  background: color-mix(in srgb, var(--lx-panel) 92%, transparent);
  border-radius: 16px;
  padding: 12px 12px 11px;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: inherit;
  display: grid;
  gap: 4px;
  transition: border-color .25s ease, transform .25s ease, background .25s ease, box-shadow .25s ease;
}
.lx-gnode strong {
  font-size: .88rem;
  letter-spacing: -.01em;
  line-height: 1.25;
}
.lx-gnode span {
  font-size: .74rem;
  color: var(--lx-muted);
  line-height: 1.35;
}
.lx-gnode:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--lx-line));
  transform: translateY(-2px);
}
.lx-gnode.is-open {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--lx-line));
  background: color-mix(in srgb, var(--accent) 12%, var(--lx-panel));
  box-shadow: 0 12px 28px color-mix(in srgb, var(--accent) 16%, transparent);
  animation: lx-node-pop .45s ease;
}
@keyframes lx-node-pop {
  from { transform: scale(.97); }
  to { transform: scale(1); }
}
.lx-graph-panel {
  margin-top: 8px;
  border-radius: 24px;
  border: 1px solid var(--lx-line);
  background: var(--lx-panel);
  overflow: hidden;
  min-height: 220px;
}
.lx-graph-panel-empty {
  padding: 36px 28px;
  color: var(--lx-muted);
}
.lx-graph-panel-empty strong {
  display: block;
  color: var(--lx-ink);
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.lx-graph-open {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(240px, .9fr);
  gap: 0;
  min-height: 260px;
}
.lx-graph-open-copy {
  padding: 28px 26px;
  border-right: 1px solid var(--lx-line);
}
.lx-graph-open-copy h3 {
  margin: 6px 0 10px;
  font-family: var(--lx-display);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  letter-spacing: -.03em;
  line-height: 1.1;
}
.lx-graph-stress {
  margin: 0 0 10px;
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -.015em;
  color: color-mix(in srgb, var(--accent) 70%, var(--lx-ink));
}
.lx-graph-open-copy > p:not(.lx-kicker):not(.lx-graph-stress) {
  margin: 0;
  color: var(--lx-muted);
  line-height: 1.55;
  font-size: .95rem;
}
.lx-graph-relief {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.lx-graph-relief li {
  position: relative;
  padding-left: 18px;
  font-size: .88rem;
  font-weight: 600;
}
.lx-graph-relief li::before {
  content: '';
  position: absolute;
  left: 0; top: .45em;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

/* Ad spots */
.lx-ad {
  position: relative;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  overflow: hidden;
  background:
    radial-gradient(280px 160px at 90% 10%, color-mix(in srgb, var(--accent) 20%, transparent), transparent 70%),
    color-mix(in srgb, var(--lx-ink) 3%, var(--lx-panel));
}
.lx-ad em {
  font-style: normal;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--lx-muted);
}
.lx-ad-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 110px;
}
.lx-ad-bars i {
  flex: 1;
  height: var(--h);
  border-radius: 6px 6px 2px 2px;
  background: linear-gradient(180deg, var(--accent), color-mix(in srgb, var(--accent) 40%, transparent));
  animation: lx-bar-rise 1.6s ease var(--d) infinite alternate;
}
@keyframes lx-bar-rise {
  from { transform: scaleY(.55); opacity: .7; }
  to { transform: scaleY(1); opacity: 1; }
}
.lx-ad-ping {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 16%, var(--lx-panel));
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--lx-line));
  font-weight: 700;
  font-size: .85rem;
  width: fit-content;
  animation: lx-ping-slide 2.4s ease infinite;
}
.lx-ad-ping.is-2 { animation-delay: .4s; }
.lx-ad-ping.is-3 { animation-delay: .8s; background: color-mix(in srgb, #2f9e64 18%, var(--lx-panel)); }
@keyframes lx-ping-slide {
  0%, 100% { transform: translateX(0); opacity: .85; }
  50% { transform: translateX(10px); opacity: 1; }
}
.lx-ad-avatars {
  display: flex;
  gap: 10px;
}
.lx-ad-avatars b {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-weight: 800;
  border: 2px solid var(--lx-line);
  background: var(--lx-panel);
}
.lx-ad-avatars b.is-online {
  border-color: #2f9e64;
  box-shadow: 0 0 0 0 color-mix(in srgb, #2f9e64 45%, transparent);
  animation: lx-pulse-ring 1.8s ease-out infinite;
}
.lx-ad-avatars b.is-idle { border-color: #c9a227; }
.lx-ad-fly {
  position: relative;
  height: 120px;
}
.lx-ad-fly span {
  position: absolute;
  left: 8%;
  top: calc(12% + (var(--i) * 8%));
  padding: 6px 10px;
  border-radius: 8px;
  font-size: .72rem;
  font-weight: 800;
  background: var(--lx-panel);
  border: 1px solid var(--lx-line);
  animation: lx-doc-fly 2.2s ease calc(var(--i) * .12s) infinite;
}
@keyframes lx-doc-fly {
  0% { transform: translate(0, 0) scale(.9); opacity: .3; }
  40% { opacity: 1; }
  100% { transform: translate(140px, -28px) scale(1); opacity: 0; }
}
.lx-ad.is-intake strong {
  font-size: 1.05rem;
  letter-spacing: -.02em;
}
.lx-ad-bubbles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.lx-ad-bubbles span {
  padding: 10px 14px;
  border-radius: 16px 16px 16px 4px;
  background: color-mix(in srgb, var(--accent) 14%, var(--lx-panel));
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--lx-line));
  font-weight: 700;
  font-size: .82rem;
  animation: lx-bubble-pop 2s ease infinite;
}
.lx-ad-bubbles span:nth-child(2) { animation-delay: .25s; }
.lx-ad-bubbles span:nth-child(3) { animation-delay: .5s; }
@keyframes lx-bubble-pop {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.lx-ad-chat {
  display: grid;
  gap: 8px;
}
.lx-ad-chat p {
  margin: 0;
  padding: 10px 12px;
  border-radius: 14px;
  font-size: .84rem;
  max-width: 92%;
}
.lx-ad-chat .is-user {
  justify-self: end;
  background: color-mix(in srgb, var(--accent) 18%, var(--lx-panel));
}
.lx-ad-chat .is-bot {
  justify-self: start;
  background: color-mix(in srgb, var(--lx-ink) 6%, var(--lx-panel));
  border: 1px solid var(--lx-line);
  animation: lx-bot-in .8s ease;
}
@keyframes lx-bot-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}
.lx-ad-files, .lx-ad-cal, .lx-ad-thread {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.lx-ad-files span, .lx-ad-cal span, .lx-ad-thread span {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--lx-line);
  background: var(--lx-panel);
  font-weight: 700;
  font-size: .82rem;
  animation: lx-file-stack 2.4s ease infinite;
}
.lx-ad-files span:nth-child(2), .lx-ad-cal span:nth-child(2) { animation-delay: .2s; }
.lx-ad-files span:nth-child(3), .lx-ad-cal span:nth-child(3) { animation-delay: .4s; }
@keyframes lx-file-stack {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}
.lx-ad-stamp {
  width: 110px; height: 110px;
  border-radius: 50%;
  border: 3px solid color-mix(in srgb, var(--accent) 70%, #2f9e64);
  color: color-mix(in srgb, var(--accent) 50%, #2f9e64);
  display: grid; place-items: center;
  font-weight: 900;
  letter-spacing: .06em;
  text-transform: uppercase;
  transform: rotate(-12deg);
  animation: lx-stamp 2.8s ease infinite;
}
@keyframes lx-stamp {
  0%, 70%, 100% { transform: rotate(-12deg) scale(1); opacity: 1; }
  40% { transform: rotate(-8deg) scale(1.08); }
  55% { transform: rotate(-14deg) scale(.96); }
}
.lx-ad.is-payouts strong {
  font-size: 1.2rem;
  font-family: var(--lx-display);
}

/* Intake race */
.lx-race {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: stretch;
}
.lx-race-vs {
  align-self: center;
  font-weight: 900;
  font-size: .85rem;
  letter-spacing: .12em;
  color: var(--lx-muted);
}
.lx-race-lane {
  border-radius: 22px;
  border: 1px solid var(--lx-line);
  background: var(--lx-panel);
  padding: 20px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
}
.lx-race-lane.is-ai {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--lx-line));
  background:
    radial-gradient(320px 140px at 100% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
    var(--lx-panel);
}
.lx-race-lane header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}
.lx-race-lane header strong {
  font-family: var(--lx-display);
  font-size: 1.25rem;
  letter-spacing: -.02em;
}
.lx-race-lane header b {
  font-size: 1.35rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.03em;
}
.lx-race-lane > p {
  margin: 0;
  color: var(--lx-muted);
  font-size: .88rem;
  line-height: 1.45;
}
.lx-race-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 72px;
  align-content: flex-start;
}
.lx-race-doc {
  padding: 8px 10px;
  border-radius: 10px;
  font-size: .75rem;
  font-weight: 800;
  border: 1px solid var(--lx-line);
  background: color-mix(in srgb, var(--lx-ink) 4%, var(--lx-panel));
}
.lx-race-doc.is-slow {
  animation: lx-slow-doc 2.8s ease infinite;
}
.lx-race-doc.is-fast {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--lx-line));
  background: color-mix(in srgb, var(--accent) 12%, var(--lx-panel));
  animation: lx-fast-doc 1.1s ease infinite;
}
@keyframes lx-slow-doc {
  0%, 100% { opacity: .55; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-3px); }
}
@keyframes lx-fast-doc {
  0% { opacity: .4; transform: translateX(-6px); }
  50% { opacity: 1; transform: translateX(4px); }
  100% { opacity: .4; transform: translateX(12px); }
}
.lx-race-drag {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}
.lx-race-drag li {
  font-size: .8rem;
  color: var(--lx-muted);
  padding-left: 14px;
  position: relative;
}
.lx-race-drag li::before {
  content: '·';
  position: absolute;
  left: 2px;
  font-weight: 900;
  color: var(--accent);
}
.lx-race-lane.is-human .lx-race-drag li::before { color: var(--lx-muted); }

@media (max-width: 1100px) {
  .lx-graph-branches { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 980px) {
  .lx-graph-open { grid-template-columns: 1fr; }
  .lx-graph-open-copy { border-right: 0; border-bottom: 1px solid var(--lx-line); }
  .lx-race { grid-template-columns: 1fr; }
  .lx-race-vs { justify-self: center; }
}
@media (max-width: 720px) {
  .lx-graph-branches { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .lx-graph-branches { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .lx-pillar,
  .lx-person-card,
  .lx-ai-step.is-on .lx-ai-num,
  .lx-track-bar,
  .lx-chip.is-on,
  .lx-pill.is-live,
  .lx-ava.is-pulse::after,
  .lx-scan,
  .lx-doc-sheet:nth-child(3)::after,
  .lx-inv-row,
  .lx-mesh,
  .lx-bloom,
  .lx-watermark,
  .lx-win-slot,
  .lx-hub-glow,
  .lx-graph-hub,
  .lx-gnode.is-open,
  .lx-ad-bars i,
  .lx-ad-ping,
  .lx-ad-avatars b.is-online,
  .lx-ad-fly span,
  .lx-ad-bubbles span,
  .lx-ad-chat .is-bot,
  .lx-ad-files span,
  .lx-ad-cal span,
  .lx-ad-stamp,
  .lx-race-doc { animation: none !important; }
}

/* ── Landing nav collapse + theater phone ─────────────────────────────────── */
.lx-nav-menu-btn { display: none; }
.lx-nav-menu {
  display: contents;
}

@media (max-width: 768px) {
  .lx-nav {
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 10px;
  }
  .lx-nav-actions {
    flex: 1 1 auto;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px;
    min-width: 0;
  }
  .lx-nav-menu-btn { display: inline-flex; align-items: center; }
  .lx-nav-menu {
    display: none;
    flex: 1 1 100%;
    order: 5;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    border-radius: 16px;
    border: 1px solid var(--lx-line);
    background: var(--lx-panel);
  }
  .lx-nav-menu.is-open { display: flex; }
  .lx-nav-menu .lx-ghost-btn {
    width: 100%;
    justify-content: flex-start;
    min-height: 44px;
  }
  .lx-ghost-btn,
  .lx-nav-cta,
  .public-lang-select {
    min-height: 44px;
  }
}

@media (max-width: 640px) {
  .lx-theater {
    min-height: 360px !important;
  }
  .lx-win-slot:not(.is-focus) {
    opacity: .35;
    pointer-events: none;
  }
  .lx-section {
    padding: 40px 0;
  }
}