* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #333;
  line-height: 1.6;
}

/* Header */
.header {
  background: linear-gradient(135deg, #1a1a2e, #16213e);
  color: #fff;
  text-align: center;
  padding: 3rem 1rem;
}

.header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.header p {
  font-size: 1.1rem;
  opacity: 0.85;
}

/* Intro */
.intro {
  text-align: center;
  padding: 2rem 1rem;
  background: #f8f9fa;
  font-size: 1.05rem;
  color: #555;
}

/* Sections */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.section h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

/* Filter buttons */
.filters {
  text-align: center;
  margin-bottom: 1rem;
}

.filters button {
  padding: 0.5rem 1.2rem;
  margin: 0.25rem;
  border: 2px solid #16213e;
  background: #fff;
  color: #16213e;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.95rem;
  transition: all 0.2s;
}

.filters button.active,
.filters button:hover {
  background: #16213e;
  color: #fff;
}

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* Card */
.card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.card-body {
  padding: 1rem;
}

.card-body h3 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.card-body .desc {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 0.6rem;
}

.card-buttons {
  display: flex;
  gap: 0.5rem;
}

.card-buttons a {
  flex: 1;
  text-align: center;
  padding: 0.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: opacity 0.2s;
}

.card-buttons a:hover {
  opacity: 0.85;
}

.btn-demo {
  background: #f0f0f0;
  color: #333;
}

.btn-wa {
  background: #25d366;
  color: #fff;
}

/* Pricing */
.pricing {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1rem;
  text-align: center;
}

.pricing h2 {
  font-size: 1.6rem;
  margin-bottom: 0.4rem;
}

.pricing-subtitle {
  color: #666;
  margin-bottom: 2rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.pricing-card {
  position: relative;
  background: #fff;
  border: 2px solid #e8e8e8;
  border-radius: 12px;
  padding: 2rem 1.5rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

.pricing-card--featured {
  border-color: #25d366;
  box-shadow: 0 2px 16px rgba(37,211,102,0.15);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: #25d366;
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.25rem 1rem;
  border-radius: 20px;
}

.pricing-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 2.2rem;
  font-weight: 800;
  color: #16213e;
  margin-bottom: 1rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.pricing-features li {
  padding: 0.35rem 0;
  font-size: 0.95rem;
  color: #555;
}

.pricing-features li::before {
  content: "✓ ";
  color: #25d366;
  font-weight: 700;
}

.pricing-btn {
  display: inline-block;
  width: 100%;
  padding: 0.7rem;
  background: #25d366;
  color: #fff;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  transition: opacity 0.2s;
}

.pricing-btn:hover {
  opacity: 0.88;
}

.pricing-support {
  background: #f8f9fa;
  border-radius: 10px;
  padding: 1.2rem;
}

.pricing-support h3 {
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.pricing-support p {
  font-size: 0.95rem;
  color: #555;
}

@media (max-width: 600px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

/* CTA */
.cta {
  text-align: center;
  padding: 3rem 1rem;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  margin-top: 2rem;
}

.cta h2 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.cta a {
  display: inline-block;
  padding: 0.8rem 2rem;
  background: #fff;
  color: #128c7e;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: transform 0.2s;
}

.cta a:hover {
  transform: scale(1.05);
}

/* Footer */
.footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.85rem;
  color: #999;
}