/* ============================================================
   Hero — full-viewport gradient with infrastructure silhouettes
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(1100px 600px at 50% 110%, rgba(47, 166, 106, .18), transparent 60%),
    radial-gradient(900px 500px at 90% 10%, rgba(217, 119, 23, .15), transparent 60%),
    linear-gradient(160deg, var(--hero-1) 0%, var(--hero-2) 55%, var(--hero-3) 100%);
}
.hero::before {
  /* subtle grid overlay */
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at 50% 60%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 60%, #000 30%, transparent 75%);
  pointer-events: none;
}

.hero-bg {
  position: absolute; inset: 0;
  pointer-events: none;
  opacity: .55;
}
.hero-bg svg { width: 100%; height: 100%; }

/* Wind turbine rotation (used in hero-bg SVG) */
.turbine {
  transform-origin: 0 0;
  animation: spin 8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero-content {
  position: relative; z-index: 2;
  padding: 120px 24px 80px;
  max-width: 1000px;
}

.hero-logo {
  display: flex; flex-direction: column; align-items: center;
  margin-bottom: 32px;
}
.hero-logo img {
  width: auto;
  height: min(132px, 42vh);
  display: block;
  animation: logoFloat 6s ease-in-out infinite;
}
@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

.hero h1 {
  font-size: clamp(20px, 2.4vw, 24px);
  font-weight: 400;
  line-height: 1.55;
  max-width: 640px;
  margin: 0 auto 36px;
  color: var(--white);
}
.hero h1 b { font-weight: 600; color: var(--white); }

.hero-ctas {
  display: flex; gap: 14px;
  justify-content: center; flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-quote {
  font-style: italic;
  font-weight: 500;
  font-size: 18px;
  color: var(--white);
  letter-spacing: .01em;
}

/* Stats bar */
.hero-stats {
  display: flex; justify-content: center; gap: 40px;
  flex-wrap: wrap;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.hero-stat {
  display: flex; flex-direction: column; align-items: center;
  gap: 2px;
  max-width: 100px;
}
.hero-stat .n {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--white);
}
.hero-stat .l {
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--white);
}

.scroll-cue {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  width: 30px; height: 30px;
  color: var(--white);
  animation: cueBounce 2s ease-in-out infinite;
  cursor: pointer;
  z-index: 3;
}
@keyframes cueBounce {
  0%, 100% { transform: translate(-50%, 0); }
  50%      { transform: translate(-50%, 8px); }
}