/* ===== Hero ===== */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 82, 118, 0.05) 0%, rgba(45, 106, 79, 0.05) 50%, rgba(231, 111, 81, 0.05) 100%);
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26, 82, 118, 0.1) 0%, transparent 70%);
  animation: float 8s ease-in-out infinite;
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(231, 111, 81, 0.08) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite reverse;
}

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

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

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

/* ===== Color Banner ===== */
.section-color {
  padding: 3rem 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}

.color-banner {
  text-align: center;
  padding: 3rem 2rem;
  border-radius: var(--radius-lg);
  background: var(--gradient-color);
  position: relative;
  overflow: hidden;
}

.color-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.2);
}

.color-title, .color-subtitle, .color-desc {
  position: relative;
  z-index: 1;
  color: #fff;
}

.color-title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.color-subtitle {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 0.5rem;
}

.color-desc {
  font-size: 1rem;
  opacity: 0.8;
}

/* ===== Tools Section ===== */
.section-tools {
  background: var(--bg);
}

.tool-card {
  text-align: center;
}

.tool-card .card-body {
  padding: 2rem 1.5rem;
}

.tool-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.tool-card-primary {
  border: 2px solid var(--accent);
}

.tool-card-coming-soon {
  opacity: 0.7;
}

/* ===== Tech Preview ===== */
.section-tech-preview {
  background: var(--bg-alt);
}

.tech-card .card-body {
  padding: 1.5rem;
}

/* ===== DIY Preview ===== */
.section-diy-preview {
  background: var(--bg);
}

.diy-card .card-body {
  padding: 1rem;
}

.diy-card .badge {
  font-size: 0.7rem;
}

/* ===== OED Section ===== */
.section-oed {
  background: var(--bg-alt);
}

.oed-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.oed-desc {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero {
    min-height: 70vh;
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }
  .color-banner {
    padding: 2rem 1rem;
  }
}

@media (max-width: 480px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }
}