#hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--white);
}
#hero-canvas {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(3rem, 5vw, 6rem);
  width: 100%;
  position: relative;
  z-index: 2;
}
.hero-content { padding-top: 140px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--csi-light-blue);
  border: 1px solid rgba(41,121,255,0.2);
  border-radius: 100px;
  padding: 6px 14px 6px 10px;
  margin-bottom: 2rem;
}
.hero-eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--csi-accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6.5vw, 7rem);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 1.5rem;
}
.hero-headline .accent-line {
  background: linear-gradient(135deg, var(--csi-blue), var(--csi-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-headline-text {
  background: linear-gradient(100deg, var(--ink) 35%, var(--csi-accent) 75%, #00e5ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--muted);
  line-height: 1.7;
  max-width: 440px;
  margin-bottom: 2.5rem;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 0;
}
.hero-actions .btn-primary,
.hero-actions .btn-ghost,
.hero-actions .btn-sk {
  flex-shrink: 0;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ink);
  color: var(--white);
  padding: 14px 28px;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 700;
  transition: all 0.3s ease;
  border: 2px solid var(--ink);
  letter-spacing: 0.01em;
}
.btn-primary:hover {
  background: var(--csi-blue);
  border-color: var(--csi-blue);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(10,36,99,0.25);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--ink);
  padding: 14px 28px;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 700;
  border: 2px solid var(--border-strong);
  transition: all 0.3s ease;
  letter-spacing: 0.01em;
}
.btn-ghost:hover {
  border-color: var(--csi-accent);
  color: var(--csi-accent);
  transform: translateY(-2px);
}


.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  padding-top: 200px;
}
.hero-image-frame {
  width: min(480px, 45vw);
  aspect-ratio: 4/5;
  border-radius: 28px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--border);
  background: var(--csi-light-blue);
  transform-style: preserve-3d;
  transition: transform 0.1s ease;
}
.hero-image-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.hero-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,36,99,0.6), transparent 60%);
}
.hero-image-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: var(--glass);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  border: 1px solid rgba(255,255,255,0.5);
}
.hero-badge-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero-badge-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin-top: 2px;
}
.hero-float-card {
  position: absolute;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  box-shadow: var(--shadow-md);
  font-size: 0.8rem;
  white-space: nowrap;
  animation: float 4s ease-in-out infinite;
}
.hero-float-card.card-1 {
  top: 22%;
  right: -8%;
  animation-delay: 0s;
}
.hero-float-card.card-2 {
  bottom: 28%;
  left: -12%;
  animation-delay: 2s;
}
.hero-float-value {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--csi-blue);
  line-height: 1;
}
.hero-float-label { color: var(--muted); margin-top: 2px; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}



.hero-headline-sk {
  display: block;
  width: min(560px, 80vw);
  height: clamp(3rem, 6.5vw, 7rem);
  border-radius: 14px;
}
.hero-headline-text { display: block; }
.btn-sk {
  display: inline-block;
  width: 190px;
  height: 52px;
  border-radius: 100px;
  background: rgba(0,0,0,0.06) !important;
}
.hero-card-sk { background: var(--csi-light-blue); }
.hero-card-face { width: 100%; height: 100%; position: relative; }



.hero-3d-stage {
  position: relative;
  perspective: 1400px;
}
.hero-orbit-ring {
  position: absolute;
  border: 1.5px dashed rgba(41,121,255,0.22);
  border-radius: 50%;
  pointer-events: none;
  transform-style: preserve-3d;
  z-index: 1;
}
.hero-orbit-1 {
  width: 112%; height: 78%;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%) rotateX(72deg);
  animation: orbitSpin 22s linear infinite;
}
.hero-orbit-2 {
  width: 128%; height: 92%;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%) rotateX(72deg) rotate(40deg);
  animation: orbitSpin 30s linear infinite reverse;
  opacity: 0.6;
}
@keyframes orbitSpin { to { transform: translate(-50%,-50%) rotateX(72deg) rotate(360deg); } }

.hero-particle-chip {
  position: absolute;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--csi-accent);
  font-size: 1rem;
  animation: chipFloat 5s ease-in-out infinite;
  transform-style: preserve-3d;
  z-index: 3;
}
.chip-1 { top: 6%; left: -4%; animation-delay: 0s; }
.chip-2 { bottom: 12%; right: -6%; animation-delay: 1.4s; }
.chip-3 { top: 44%; right: 4%; animation-delay: 2.8s; }
@keyframes chipFloat {
  0%, 100% { transform: translateY(0) rotateZ(0deg); }
  50% { transform: translateY(-14px) rotateZ(6deg); }
}

.hero-card-glow {
  position: absolute; inset: -2px;
  background: radial-gradient(circle at 30% 20%, rgba(0,229,255,0.35), transparent 60%);
  mix-blend-mode: screen;
  pointer-events: none;
}
.hero-image-frame.hero-card-sk { animation: none; }
.hero-image-frame {
  will-change: transform;
  z-index: 2;
}


.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--muted-2);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 3;
}
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--csi-accent), transparent);
  animation: scrollDrop 2s ease-in-out infinite;
}
@keyframes scrollDrop {
  0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}



.marquee-strip {
  background: var(--ink);
  color: var(--white);
  padding: 20px 0;
  margin-top:4rem;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.marquee-track {
  display: flex;
  gap: 0;
  animation: marquee 28s linear infinite;
  white-space: nowrap;
}
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  padding: 0 20px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.8;
}
.marquee-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--csi-accent); }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}