/* ===== Index Page Styles ===== */
/* Hero, Products, Solutions, Challenges, Partners */

/* ===== Hero Section ===== */
.hero {
  padding: 140px 0 80px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at top right, rgb(56 189 248 / 53%)  0%, transparent 50%), radial-gradient(ellipse at bottom left, rgb(12 74 110 / 0%) 0%, transparent 50%);
    pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(14, 165, 233, 0.1);
  color: var(--secondary);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text);
  --span-color: linear-gradient(90deg, #38bdf8 20%, #0ea5e9 52%, #00c89b 82%);
}

.hero-title span {
  background-image: var(--span-color);
  background-clip: text;
  color: transparent;
}

.hero-desc {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 520px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card {
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 2;
    max-width: 400px;
    width: 100%;
}

.hero-card-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.hero-card-item:last-child {
  border-bottom: none;
}

.hero-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--secondary);
  flex-shrink: 0;
}

.hero-card-text h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.hero-card-text p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* Floating particles */
.particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--secondary);
  opacity: 0.15;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-30px) rotate(10deg); }
}


/* ===== Products Section ===== */
.products {
  background: var(--bg);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-card.featured {
  grid-column: span 1;
  background: var(--primary);
  color: #fff;
}

.product-card.featured .card-title,
.product-card.featured .card-desc {
  color: #fff;
}

.product-card.featured .card-icon {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

/* ===== Solutions Section ===== */
.solutions {
  background: var(--bg-light);
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.solution-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--secondary);
}

.solution-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 16px;
  transition: var(--transition);
}

.solution-card:hover .solution-icon {
  background: var(--secondary);
  color: #fff;
}

.solution-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.solution-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== Challenges Section ===== */
.challenges {
  background: var(--card-bg);
}

.challenge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.challenge-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  transition: var(--transition);
}

.challenge-card:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-4px);
}

.challenge-card:hover .challenge-title,
.challenge-card:hover .challenge-desc {
  color: #fff;
}

.challenge-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto 20px;
  color: var(--primary);
  transition: var(--transition);
}

.challenge-card:hover .challenge-icon {
  background: #fff;
}

.challenge-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
}

.challenge-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== Partners ===== */
.partners {
  background: var(--bg);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 25px;
  padding: 8px 0;
  justify-items: center;
}

.partners-grid img {
  height: auto;
  width: 100%;
  object-fit: contain;
  background: #fff;
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
}

.partners-grid img:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

/* ===== Index Page Responsive ===== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 120px 0 48px;
  }

  .hero-title {
    font-size: 32px;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .solution-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .challenge-grid {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 480px) {
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .solution-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }
}