/* ── Landing Page (Commercial Pivot) ── */
.landing-view {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background-color: #facc15; /* Vibrant Amber Yellow */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow-y: auto;
  font-family: 'Nunito', sans-serif;
  transition: opacity 0.5s ease, visibility 0.5s;
}

.landing-top-nav {
  position: absolute;
  top: 20px;
  right: 40px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 10001;
}

.landing-lang-selector {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,0,0,0.05);
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid rgba(0,0,0,0.1);
}

.lang-btn {
  background: none;
  border: none;
  color: #000;
  font-weight: 800;
  font-size: 0.75rem;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.2s;
  padding: 2px 4px;
}

.lang-btn.active {
  opacity: 1;
  text-decoration: underline;
}

.lang-sep {
  font-size: 0.7rem;
  opacity: 0.3;
}

.landing-view.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.landing-content {
  max-width: 1200px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin: auto;
}

.landing-tag {
  color: #000;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  margin-bottom: 12px;
  opacity: 0.8;
  text-transform: uppercase;
}

.landing-hero-title {
  color: #000;
  font-size: clamp(2.2rem, 8vw, 4rem);
  font-weight: 900;
  line-height: 0.95;
  margin-bottom: 20px;
}

.landing-hero-title span {
  display: block;
  opacity: 0.7;
}

.landing-description {
  color: #000;
  font-size: clamp(1rem, 3vw, 1.25rem);
  font-weight: 500;
  max-width: 450px;
  margin-bottom: 32px;
  opacity: 0.9;
  line-height: 1.4;
}

.landing-btns {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 450px;
}

.btn-landing-demo {
  background: #000;
  color: #fff;
  border: none;
  padding: 20px 40px;
  border-radius: 100px;
  font-weight: 900;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 10px 20px rgba(0,0,0,0.15);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-landing-demo:hover {
  transform: scale(1.03) translateY(-3px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.25);
  background: #111;
}

.landing-microcopy {
  color: #000;
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
  margin-top: 10px;
  opacity: 0.8;
}

.landing-social-proof {
  color: #000;
  font-size: 0.8rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 20px;
  opacity: 0.7;
}

.landing-sub-btns {
  display: flex;
  gap: 12px;
}

.btn-landing-secondary {
  flex: 1;
  background: rgba(0,0,0,0.05);
  color: #000;
  border: 1.5px solid rgba(0,0,0,0.2);
  padding: 12px 20px;
  border-radius: 50px;
  font-weight: 800;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
}

.btn-landing-secondary:hover {
  background: rgba(0,0,0,0.1);
  border-color: #000;
}

.landing-visual {
  display: flex;
  justify-content: center;
  position: relative;
}

.landing-visual .hero-img {
  width: 100%;
  height: auto;
  max-width: 480px;
  border-radius: 30px;
  box-shadow: 0 30px 60px -12px rgba(0,0,0,0.3);
  animation: float 6s ease-in-out infinite;
}

/* Audio Wave Animation */
.visual-wave {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 5;
  opacity: 0.6;
  pointer-events: none;
}

.visual-wave span {
  display: block;
  width: 8px;
  height: 40px;
  background: #fff;
  border-radius: 10px;
  animation: wave 1.2s infinite ease-in-out;
}

.visual-wave span:nth-child(2) { animation-delay: 0.2s; height: 60px; }
.visual-wave span:nth-child(3) { animation-delay: 0.4s; height: 80px; }
.visual-wave span:nth-child(4) { animation-delay: 0.2s; height: 60px; }
.visual-wave span:nth-child(5) { animation-delay: 0s; height: 40px; }

@keyframes wave {
  0%, 100% { transform: scaleY(0.5); }
  50% { transform: scaleY(1.5); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

@media (max-width: 968px) {
  .landing-view { align-items: flex-start; padding: 40px 20px; }
  .landing-top-nav { top: 10px; right: 10px; }
  .landing-content { grid-template-columns: 1fr; text-align: center; }
  .landing-description { margin: 0 auto 32px; }
  .landing-btns { margin: 0 auto; width: 100%; }
  .landing-visual { order: -1; margin-bottom: 40px; }
  .landing-visual .hero-img { max-width: 280px; }
  .visual-wave { transform: translate(-50%, -50%) scale(0.6); }
}