#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  z-index: 1000;
  box-shadow: 0 0 12px var(--gold-glow);
  pointer-events: none;
}

#scene-container {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

#scene-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

#vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(
    ellipse at center,
    transparent 0%,
    transparent 42%,
    rgba(10, 8, 5, 0.55) 78%,
    rgba(10, 8, 5, 0.92) 100%
  );
}

.page-content {
  position: relative;
  z-index: 2;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: var(--glass);
  border-bottom: 1px solid var(--border-gold);
}

.nav-inner {
  width: var(--container);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-logo {
  width: 36px;
  height: 36px;
  display: block;
  object-fit: cover;
  border: 1px solid var(--border-gold-strong);
  background: rgba(201, 169, 97, 0.08);
  border-radius: var(--radius-sm);
  box-shadow: 0 0 16px var(--gold-glow);
}

.nav-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.35s var(--ease-premium);
}

.nav-links a:hover {
  color: var(--gold-light);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.lang-select {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-light);
  background: rgba(20, 15, 10, 0.75);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  padding: 0.55rem 1.75rem 0.55rem 0.65rem;
  cursor: pointer;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--gold) 50%), linear-gradient(135deg, var(--gold) 50%, transparent 50%);
  background-position: calc(100% - 14px) calc(50% - 2px), calc(100% - 9px) calc(50% - 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  transition: border-color 0.35s var(--ease-premium), box-shadow 0.35s var(--ease-premium);
}

.lang-select:hover,
.lang-select:focus {
  outline: none;
  border-color: var(--border-gold-strong);
  box-shadow: 0 0 16px var(--gold-glow);
}

.lang-select option {
  background: var(--bg-surface-solid);
  color: var(--text-cream);
}

section {
  padding-block: clamp(4.5rem, 10vw, 7.5rem);
}

.section-header {
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.section-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.85rem;
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  max-width: 18ch;
}

.section-lead {
  margin-top: 1rem;
  max-width: 52ch;
  font-size: 1.05rem;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + 2rem);
  padding-bottom: 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-copy {
  max-width: 640px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-light);
  border: 1px solid var(--border-gold);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  background: rgba(20, 15, 10, 0.45);
}

.hero-title {
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  margin-bottom: 1.25rem;
}

.hero-lead {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  margin-bottom: 2rem;
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.25rem;
}

.hero-meta {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2.5rem;
}

.hero-visual {
  position: relative;
  min-height: 420px;
}

.hero-visual-frame {
  position: absolute;
  inset: 0;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
}

.hero-visual-inner {
  position: absolute;
  inset: 1.5rem;
  border: 1px solid var(--border-gold);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 1.25rem;
  text-align: center;
  padding: 2rem;
}

.hero-app-logo {
  width: min(280px, 72%);
  height: auto;
  border-radius: 22%;
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.45),
    0 0 40px var(--gold-glow);
  transition: transform 0.6s var(--ease-premium);
}

.hero-visual-frame:hover .hero-app-logo {
  transform: translateY(-4px) scale(1.02);
}

.hero-visual-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-light);
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 2rem;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.split-section.reverse {
  direction: rtl;
}

.split-section.reverse > * {
  direction: ltr;
}

.split-visual {
  min-height: 320px;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.split-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent, rgba(201, 169, 97, 0.08));
  pointer-events: none;
}

.split-visual-glyph {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 4rem;
  color: var(--gold-dim);
}

#watch .split-visual.split-visual-image-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  padding: clamp(0.5rem, 2vw, 1rem) 0;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: none;
  box-shadow: none;
  overflow: visible;
  position: relative;
}

#watch .split-visual.split-visual-image-wrap::before {
  content: '';
  position: absolute;
  width: min(320px, 70%);
  height: min(420px, 85%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 169, 97, 0.14) 0%, transparent 72%);
  pointer-events: none;
  z-index: 0;
}

#watch .split-visual.split-visual-image-wrap::after {
  content: none;
}

#watch .split-visual-image {
  position: relative;
  z-index: 1;
  display: block;
  width: auto;
  height: auto;
  max-width: min(100%, 340px);
  max-height: 420px;
  aspect-ratio: 403 / 529;
  object-fit: contain;
  object-position: center;
  padding: 0;
  filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.38));
  image-rendering: -webkit-optimize-contrast;
}

.site-footer {
  border-top: 1px solid var(--border-gold);
  background: rgba(10, 8, 5, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding-block: 4rem 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  margin-top: 1rem;
  max-width: 28ch;
  font-size: 0.95rem;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.footer-col ul {
  display: grid;
  gap: 0.65rem;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 0.92rem;
  transition: color 0.35s var(--ease-premium);
}

.footer-col a:hover {
  color: var(--gold-light);
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-gold);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .nav-actions {
    margin-left: auto;
  }

  .lang-select {
    max-width: 7.5rem;
    padding-right: 1.5rem;
  }

  .hero-grid,
  .split-section {
    grid-template-columns: 1fr;
  }

  .split-section.reverse {
    direction: ltr;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-visual {
    min-height: 280px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 500px) {
  :root {
    --container: calc(100% - 1.5rem);
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
  }
}