/* Landing — commercial product surface */
.lp-body {
  background:
    radial-gradient(ellipse 90% 60% at 50% -10%, rgba(46, 230, 255, 0.12), transparent 55%),
    radial-gradient(ellipse 50% 40% at 100% 20%, rgba(58, 124, 255, 0.14), transparent 50%),
    var(--bg);
  overflow-x: hidden;
  color: var(--text);
}

.lp-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1rem, 4vw, 2.5rem);
  background: linear-gradient(to bottom, rgba(2, 6, 13, 0.85), transparent);
  backdrop-filter: blur(8px);
}
.lp-nav-brand {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  text-decoration: none !important;
}
.lp-nav-brand span { color: var(--cyan); }
.lp-nav-links { display: flex; align-items: center; gap: .75rem; }
.lp-nav-links a.nav-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: .9rem;
  padding: .4rem .7rem;
}
.lp-nav-links a.nav-link:hover { color: var(--text); }

/* Hero */
.lp-hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: end center;
  position: relative;
  padding: 0 clamp(1rem, 4vw, 2.5rem) 4.5rem;
}
.lp-hero-scene {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.lp-hero-copy {
  position: relative;
  z-index: 2;
  width: min(720px, 100%);
  text-align: center;
  margin-bottom: 2vh;
}
.lp-hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6.5vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.02;
  margin: 0 0 1rem;
  background: linear-gradient(180deg, #fff 20%, #9adfff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lp-hero-copy p {
  margin: 0 auto 1.6rem;
  color: var(--text-dim);
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.55;
  max-width: 34rem;
}
.lp-cta { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; }

/* SVG scene */
.scene-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.barrier-arm {
  transform-origin: 72% 58%;
  animation: barrierOpen 6s var(--ease) infinite alternate;
}
@keyframes barrierOpen {
  0%, 25% { transform: rotate(0deg); }
  55%, 100% { transform: rotate(-68deg); }
}
.voice-wave {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1.5;
  opacity: 0;
  animation: wavePulse 2.4s ease-out infinite;
}
.voice-wave.w2 { animation-delay: .4s; }
.voice-wave.w3 { animation-delay: .8s; }
@keyframes wavePulse {
  0% { opacity: .8; transform: scale(0.6); }
  100% { opacity: 0; transform: scale(1.5); }
}
.dash-float {
  animation: floatY 5s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(46, 230, 255, 0.2));
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.intercom-glow {
  animation: glowPulse 2s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { opacity: .55; }
  50% { opacity: 1; }
}

/* Sections */
.lp-section {
  padding: clamp(4rem, 10vw, 7rem) clamp(1rem, 4vw, 2.5rem);
  position: relative;
}
.lp-section-head {
  max-width: 720px;
  margin: 0 auto 3rem;
  text-align: center;
}
.lp-section-head .eyebrow {
  color: var(--cyan);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: .75rem;
}

/* Scroll story */
.story {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
  align-items: start;
  min-height: 220vh;
}
.story-rail {
  position: sticky;
  top: 6rem;
}
.story-step {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  padding: .65rem 0;
  color: var(--muted);
  font-size: .88rem;
  border-left: 2px solid var(--line);
  padding-left: .9rem;
  transition: color .3s, border-color .3s;
}
.story-step.active {
  color: var(--cyan);
  border-left-color: var(--cyan);
  font-weight: 650;
}
.story-stage {
  min-height: 70vh;
  position: sticky;
  top: 18vh;
}
.story-panel {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(24px) scale(0.98);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
  pointer-events: none;
  display: grid;
  place-items: center;
}
.story-panel.active {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.story-visual {
  width: min(100%, 640px);
  aspect-ratio: 16/10;
  border-radius: 18px;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(160deg, rgba(46, 230, 255, 0.08), transparent 40%),
    var(--surface);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
  box-shadow: var(--shadow-glow);
}
.chat-line {
  max-width: 85%;
  padding: .7rem 1rem;
  border-radius: 14px;
  font-size: .92rem;
  line-height: 1.4;
  animation: fadeUp .5s var(--ease) both;
}
.chat-line.user {
  align-self: flex-end;
  background: rgba(58, 124, 255, 0.25);
  border: 1px solid rgba(58, 124, 255, 0.35);
}
.chat-line.ai {
  align-self: flex-start;
  background: rgba(46, 230, 255, 0.1);
  border: 1px solid rgba(46, 230, 255, 0.28);
}
.sys-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .7rem .9rem;
  border-radius: 10px;
  background: #07131d;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .8rem;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* Demo dashboard */
.demo-dash {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}
.sim-banner {
  text-align: center;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--warn);
  border: 1px dashed rgba(240, 180, 41, 0.45);
  background: rgba(240, 180, 41, 0.08);
  border-radius: 10px;
  padding: .7rem 1rem;
}
.demo-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.demo-kpi {
  padding: 1.15rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
}
.demo-kpi .label { color: var(--muted); font-size: .78rem; margin-bottom: .35rem; }
.demo-kpi .value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -.03em;
}
.demo-kpi .trend { color: var(--ok); font-size: .78rem; margin-top: .35rem; }
.demo-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1rem;
}
.demo-status-list { display: flex; flex-direction: column; gap: .55rem; }
.demo-status-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .75rem .9rem;
  border-radius: 10px;
  background: #07131d;
  border: 1px solid var(--line);
}
.live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 12px var(--ok);
  animation: glowPulse 1.6s ease-in-out infinite;
  display: inline-block;
  margin-right: .4rem;
}

/* Use cases */
.cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
}
.case-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.35rem;
  transition: border-color .3s, transform .3s var(--ease);
  cursor: default;
}
.case-card:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
}
.case-card .flow {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: .45rem;
  font-size: .85rem;
  color: var(--text-dim);
}
.case-card .flow span {
  display: flex;
  align-items: center;
  gap: .45rem;
}
.case-card .flow .arrow { color: var(--cyan); opacity: .7; }

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
}
.feat {
  padding: 1.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(46, 230, 255, 0.04), transparent 60%), var(--surface);
}
.feat-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: var(--cyan-dim);
  color: var(--cyan);
  margin-bottom: 1rem;
}
.feat p { margin: .4rem 0 0; color: var(--text-dim); font-size: .92rem; line-height: 1.45; }

/* Architecture strip */
.arch {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: .75rem;
}
.arch-node {
  text-align: center;
  padding: 1.2rem .8rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  font-family: var(--font-display);
  font-size: .88rem;
  letter-spacing: -.02em;
}
.arch-node small {
  display: block;
  margin-top: .4rem;
  font-family: var(--font-body);
  font-size: .72rem;
  color: var(--muted);
  letter-spacing: 0;
  font-weight: 400;
}

/* Contact / demo CTA */
.lp-cta-band {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem 2rem;
  border-radius: 24px;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(ellipse at 50% 0%, rgba(46, 230, 255, 0.15), transparent 60%),
    var(--surface);
}
.lp-footer {
  padding: 2.5rem clamp(1rem, 4vw, 2.5rem) 3rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: .85rem;
}

@media (max-width: 960px) {
  .story { grid-template-columns: 1fr; }
  .story-rail { position: relative; top: 0; display: flex; flex-wrap: wrap; gap: .35rem; }
  .story-step { border-left: none; border-bottom: 2px solid var(--line); padding: .4rem .6rem; }
  .story-step.active { border-bottom-color: var(--cyan); }
  .story-stage { min-height: 360px; }
  .demo-kpis { grid-template-columns: 1fr 1fr; }
  .demo-grid, .cases, .features, .arch { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .lp-nav-links .nav-link { display: none; }
  .demo-kpis { grid-template-columns: 1fr; }
}