* {
  box-sizing: border-box;
}



.features {
  padding: 6rem 2rem;
}

.features-header {
  max-width: 720px;
  margin: 0 auto 4rem;
  text-align: center;
}

.features-header h2 {
  font-size: 2.6rem;
  margin-bottom: 1rem;
}

.features-header p {
  font-size: 1.05rem;
  color: #333;
  line-height: 1.6;
}

.features-hero {
  position: relative;
  max-width: 960px;
  margin: 0 auto 5rem;
  display: flex;
  justify-content: center;
}

.device img {
  width: 465px;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.callouts {
  position: absolute;
  inset: 0;
}

.callout {
  position: absolute;
  background: #fff;
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  border: 1px solid rgba(0, 0, 0, 0.1);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.callout.left {
  left: 140px;
}

.callout.right {
  right: -20px;
}

.callout:nth-child(1) {
  top: 20%;
}

.callout:nth-child(2) {
  top: 45%;
}

.callout:nth-child(3) {
  top: 70%;
}

.callout.visible {
  opacity: 1;
  transform: translateY(0);
}

.features-grid {
  max-width: 1387px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2.5rem;
}

.feature-card {
  background: rgba(255, 255, 255, 0.7);
  border-radius: 20px;
  padding: 2rem 1.6rem;
  text-align: center;
}

.feature-card img {
  margin-bottom: 1.2rem;
}

.feature-card h3 {
  margin-bottom: 0.6rem;
  font-size: 1.1rem;
}

.feature-card p {
  font-size: 0.95rem;
  color: #333;
  line-height: 1.55;
}

@media (min-width: 768px) and (max-width: 1480px) {
  .features-grid {
    max-width: 75%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .features-grid {
    max-width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2.5rem;
  }

  .features-header h2 {
    font-size: 2.1rem;
  }

  .callout.left,
  .callout.right {
    left: 50%;
    right: auto;
    transform: translateX(-50%) translateY(10px);
  }
}