/* ========== HOME PAGE ========== */

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-bg);
}

.hero__bg { position: absolute; inset: 0; pointer-events: none; }

.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--color-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid-line) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero__glow {
  position: absolute; top: 20%; right: 10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--color-green-glow) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.hero__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  padding: 4rem 1.5rem;
}

.hero__badge {
  display: inline-block;
  font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--color-green);
  background: var(--color-hero-badge-bg);
  border: 1px solid var(--color-hero-badge-border);
  padding: 0.4rem 1rem; border-radius: 20px;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800; color: var(--color-heading);
  line-height: 1.15; margin-bottom: 1.25rem;
}
.hero__title span { color: var(--color-green); }

.hero__subtitle {
  font-size: 1.05rem; color: var(--color-text-muted);
  line-height: 1.7; margin-bottom: 2rem; max-width: 520px;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }

.hero__visual { display: flex; justify-content: center; align-items: center; }

.hero__battery { position: relative; width: 280px; }

.hero__battery-top {
  width: 80px; height: 16px;
  background: var(--color-battery-top);
  border-radius: 4px 4px 0 0; margin: 0 auto;
  position: relative; z-index: 2;
}

.hero__battery-body {
  background: var(--color-battery-body);
  border: 2px solid var(--color-battery-border); border-radius: 12px;
  padding: 2rem 1.5rem; position: relative; overflow: hidden;
}

.hero__battery-label {
  display: block; font-size: 2.5rem; font-weight: 900;
  font-style: italic; color: var(--color-heading);
  text-align: center; margin-bottom: 1.5rem;
}

.hero__battery-label::after {
  content: ' ENERGY'; display: block;
  font-size: 0.6rem; font-weight: 600;
  letter-spacing: 0.4em; color: var(--color-green);
  font-style: normal; margin-top: 0.25rem;
}

.hero__battery-cells { display: flex; gap: 6px; justify-content: center; }

.hero__cell {
  width: 28px; height: 50px;
  background: linear-gradient(180deg, var(--color-green) 0%, var(--color-green-dark) 100%);
  border-radius: 4px;
  animation: cellPulse 2s ease-in-out infinite;
  box-shadow: 0 0 12px var(--color-green-glow);
}

@keyframes cellPulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

.hero__battery-glow {
  position: absolute; inset: -20px;
  background: radial-gradient(ellipse, var(--color-green-glow) 0%, transparent 70%);
  z-index: -1; animation: pulse 3s ease-in-out infinite;
}

.about__grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
}

.about__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.about__stat { padding: 1.5rem; text-align: center; }

.about__stat-value {
  display: block; font-size: 2rem; font-weight: 800;
  color: var(--color-green); margin-bottom: 0.25rem;
}
.about__stat-label { font-size: 0.85rem; color: var(--color-text-muted); }

.vision-mission { background: var(--color-bg-elevated); transition: background-color var(--transition); }

.vm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }

.vm-card { padding: 2.5rem; }
.vm-icon { font-size: 2rem; margin-bottom: 1rem; }
.vm-card h3 { font-size: 1.35rem; font-weight: 700; color: var(--color-heading); margin-bottom: 1rem; }
.vm-card p { color: var(--color-text-muted); line-height: 1.8; }

.products__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

.product-card { padding: 2rem 1.5rem; text-align: center; }
.product-card__icon { font-size: 2.5rem; display: block; margin-bottom: 1rem; }
.product-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--color-heading); margin-bottom: 0.75rem; }
.product-card p { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.6; }

.why-us { background: var(--color-bg-elevated); transition: background-color var(--transition); }
.why-us__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

.why-card {
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  transition: all var(--transition);
}
.why-card:hover {
  border-color: var(--color-why-hover-border);
  background: var(--color-why-hover-bg);
}
.why-card__number {
  font-size: 2rem; font-weight: 800;
  color: var(--color-why-number); margin-bottom: 0.75rem;
}
.why-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--color-heading); margin-bottom: 0.5rem; }
.why-card p { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.6; }

.home-news__header {
  display: flex; justify-content: space-between;
  align-items: flex-end; gap: 2rem;
}
.home-news__header .section-header { margin-bottom: 0; }
.home-news__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; }

.cta-section { padding-bottom: 6rem; }

.cta-box {
  background: var(--color-cta-bg);
  border: 1px solid var(--color-cta-border);
  border-radius: var(--radius-lg);
  padding: 4rem; text-align: center;
}
.cta-box h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800; color: var(--color-heading); margin-bottom: 1rem;
}
.cta-box p {
  color: var(--color-text-muted); font-size: 1.05rem;
  margin-bottom: 2rem; max-width: 500px;
  margin-left: auto; margin-right: auto;
}
.cta-box__actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; }

@media (max-width: 1024px) {
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .why-us__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero__content { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
  .hero__subtitle { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .about__grid, .vm-grid { grid-template-columns: 1fr; }
  .home-news__header { flex-direction: column; align-items: flex-start; }
  .home-news__grid { grid-template-columns: 1fr; }
  .cta-box { padding: 2.5rem 1.5rem; }
}

@media (max-width: 560px) {
  .products__grid, .why-us__grid, .about__stats { grid-template-columns: 1fr; }
  .hero__battery { width: 220px; }
}