#hero {
  position: relative;
  padding: 64px 0 32px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 32% 38% at 84% 36%, var(--hero-glow) 0%, transparent 100%),
    var(--hero-depth),
    var(--color-bg);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: start;
  gap: 24px;
}

.hero-content {
  padding-top: 24px;
}

/* ===== left: content ===== */

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.4px;
  color: var(--color-primary-hover);
  transition: background var(--transition-base), color var(--transition-base);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

#hero-headline {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
  font-size: clamp(2rem, 3.4vw, 3.1rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

#hero-headline .hero-line.accent {
  color: var(--color-primary);
}

#hero-subtext {
  max-width: 460px;
  margin-bottom: 32px;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 40px;
}

.hero-actions .btn {
  height: 48px;
  padding: 0 22px;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 24px;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.hero-trust-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ===== right: visual stage ===== */

.hero-visual {
  position: relative;
}

.hero-stage {
  position: relative;
  height: 480px;
  margin-left: -24px;
  perspective: 2000px;
}

.hero-layers {
  position: relative;
  width: 100%;
  height: 100%;
  --ry: -28deg;
  --rx: 9deg;
  transform-style: preserve-3d;
  will-change: transform;
  transform: rotateY(var(--ry)) rotateX(var(--rx));
  transition: transform 0.15s ease-out, opacity 0.55s ease;
}

.hero-layers.exiting {
  transform: rotateY(var(--ry)) rotateX(var(--rx)) translateX(-300px);
  opacity: 0;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s ease;
}

.hero-layers.entering {
  animation: heroCarouselIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes heroCarouselIn {
  from {
    transform: rotateY(var(--ry)) rotateX(var(--rx)) translateX(300px);
    opacity: 0;
  }
  to {
    transform: rotateY(var(--ry)) rotateX(var(--rx)) translateX(0);
    opacity: 1;
  }
}

.hero-layer {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  --z: 0px;
  transform: translateZ(var(--z)) scale(1);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  cursor: pointer;
}

.hero-layer img {
  width: 100%;
  height: auto;
  display: block;
  flex-shrink: 0;
}

.hero-layer:hover {
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--color-primary);
  z-index: 10;
}

.hero-layer-main:hover {
  transform: translateZ(var(--z)) scale(1);
}

.hero-layer-accent-1:hover,
.hero-layer-accent-2:hover {
  transform: translateZ(calc(var(--z) + 50px)) scale(1.18);
}

.hero-layer-caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.55), transparent);
}

.hero-layer-main {
  top: 0;
  right: 0;
  width: 92%;
  height: 96%;
  z-index: 1;
}

.hero-layer-accent-1 {
  left: -6%;
  bottom: 4%;
  width: 40%;
  height: 36%;
  --z: 90px;
  z-index: 3;
}

.hero-layer-accent-2 {
  right: 2%;
  bottom: 2%;
  width: 40%;
  height: 32%;
  --z: 60px;
  z-index: 2;
}

/* ===== nav arrows ===== */

.hero-nav {
  position: absolute;
  top: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.hero-nav svg {
  width: 20px;
  height: 20px;
}

.hero-nav-prev {
  left: -18px;
  width: 44px;
  height: 44px;
  transform: translateY(-50%);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  box-shadow: var(--shadow-md);
}

.hero-nav-prev:hover {
  color: var(--color-text);
  background: var(--color-bg-alt);
}

.hero-nav-next {
  right: -22px;
  width: 60px;
  height: 60px;
  transform: translateY(-50%);
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  box-shadow: 0 12px 28px var(--color-primary-soft);
  animation: heroNextPulse 2.4s ease-in-out infinite;
}

.hero-nav-next:hover {
  background: var(--color-primary-hover);
  transform: translateY(-50%) scale(1.06);
}

@keyframes heroNextPulse {
  0%, 100% {
    box-shadow: 0 12px 28px var(--color-primary-soft);
  }
  50% {
    box-shadow: 0 12px 28px var(--color-primary-soft), 0 0 0 8px var(--color-primary-soft);
  }
}

/* ===== dots ===== */

.hero-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 36px;
}

.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background: var(--color-border);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: all 0.2s ease;
}

.hero-dot:hover {
  background: var(--color-text-muted);
}

.hero-dot.active {
  width: 24px;
  background: var(--color-primary);
}

/* ===== responsive ===== */

@media (max-width: 960px) {
  #hero {
    padding: 40px 0 56px;
    /* the depth/glow radials are tuned for the two-column desktop layout
       and land across the text column once everything stacks, so drop
       back to a flat background on narrow viewports */
    background: var(--color-bg);
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero-stage {
    margin-left: 0;
    height: 260px;
    perspective: none;
  }

  .hero-layers {
    transform: none;
    transition: opacity 0.3s ease;
  }

  .hero-layers.exiting,
  .hero-layers.entering {
    transform: none;
    animation: none;
  }

  .hero-layer,
  .hero-layer:hover,
  .hero-layer-main:hover,
  .hero-layer-accent-1:hover,
  .hero-layer-accent-2:hover {
    transform: none !important;
  }

  .hero-layer-accent-1,
  .hero-layer-accent-2 {
    display: none;
  }

  .hero-layer-main {
    position: relative;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
  }

  .hero-nav-prev {
    left: 4px;
  }

  .hero-nav-next {
    right: 4px;
  }

  .hero-trust {
    flex-wrap: wrap;
    row-gap: 10px;
  }
}