#hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-bg {
  position: absolute;
  inset: -20%;
  background:
    linear-gradient(to bottom,
      rgba(10, 26, 46, 0.45) 0%,
      rgba(10, 26, 46, 0.25) 40%,
      rgba(10, 26, 46, 0.55) 100%
    ),
    url('../images/hero-bg.png')
    center / cover no-repeat;
  will-change: transform;
  transition: transform 0.05s linear;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 184, 217, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 184, 217, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
  max-width: 860px;
}

.hero-content h1 {
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 1.15;
  margin-bottom: 18px;
  color: var(--white);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.9s ease 2.8s forwards;
}

.hero-content p {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--text-dim);
  margin-bottom: 36px;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.9s ease 3s forwards;
}

.btn-cta {
  display: inline-block;
  padding: 16px 40px;
  background: rgba(10, 26, 46, 0.85);
  color: var(--white);
  border-radius: 40px;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  transition: background var(--t-med), transform var(--t-fast), box-shadow var(--t-med);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.9s ease 3.2s forwards;
}

.btn-cta:hover {
  background: rgba(0, 30, 55, 0.95);
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 0;
  right: 0;
  width: -moz-fit-content;
  width: fit-content;
  margin: 0 auto;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  animation: fadeUp 0.6s ease 3.5s forwards;
}

.scroll-indicator span {
  font-size: 0.7rem;
  letter-spacing: 3px;
  color: var(--text-dim);
  text-transform: uppercase;
}

.scroll-mouse {
  width: 22px;
  height: 36px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: 12px;
  position: relative;
}

.scroll-mouse::before {
  content: '';
  width: 3px;
  height: 8px;
  background: var(--cyan);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollDot 1.6s ease-in-out infinite;
}