* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background: #020617;
  color: #fff;
}

/* HEADER */
header {
  position: fixed;
  width: 100%;
  top: 0;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(2,6,23,0.7);
  backdrop-filter: blur(10px);
}

.logo img {
  height: 40px;
  display: block;
}

/* BOTÕES */
.btn {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  padding: 12px 22px;
  border-radius: 10px;
  text-decoration: none;
  color: white;
  font-weight: 600;
  transition: 0.3s;
}

.btn:hover {
  transform: scale(1.05);
}

.btn-light {
  background: white;
  color: #4f46e5;
}

/* HERO */
.hero {
  padding: 180px 20px 120px;
  text-align: center;
  background: radial-gradient(circle at top, #1e293b, #020617);
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 20px;
}

.hero p {
  max-width: 650px;
  margin: auto;
  opacity: 0.8;
  font-size: 18px;
}

.hero .btn {
  margin-top: 30px;
  display: inline-block;
}

/* SECTIONS */
section {
  padding: 100px 20px;
  max-width: 1100px;
  margin: auto;
}

h2 {
  text-align: center;
  font-size: 34px;
  margin-bottom: 20px;
}

.sub {
  text-align: center;
  opacity: 0.7;
  max-width: 600px;
  margin: auto;
}

/* CARDS */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 25px;
  margin-top: 50px;
}

.card {
  background: rgba(30,41,59,0.6);
  border: 1px solid rgba(255,255,255,0.05);
  padding: 25px;
  border-radius: 16px;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-8px);
  background: rgba(51,65,85,0.8);
}

.card h3 {
  margin-bottom: 10px;
}

/* HIGHLIGHT */
.highlight {
  color: #818cf8;
}

/* CTA FINAL */
.cta {
  text-align: center;
  padding: 120px 20px;
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  border-radius: 20px;
}

.cta h2 {
  margin-bottom: 20px;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 30px;
  opacity: 0.5;
}

/* MOBILE */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 30px;
  }
}
.preview {
  padding: 40px 20px;
  text-align: center;
}

.preview img {
  width: 100%;
  max-width: 900px;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  transition: 0.3s;
}

.preview img:hover {
  transform: scale(1.02);
}

.feature-highlight {
  padding: 100px 20px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-bottom: 80px;
}

.feature-item img {
  width: 50%;
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.feature-item .text {
  width: 50%;
}

.feature-item.reverse {
  flex-direction: row-reverse;
}

@media (max-width: 800px) {
  .feature-item {
    flex-direction: column;
  }

  .feature-item.reverse {
    flex-direction: column;
  }

  .feature-item img,
  .feature-item .text {
    width: 100%;
  }
}
.hero {
  padding: 180px 20px 120px;
  text-align: center; /* ESSENCIAL */
  background: radial-gradient(circle at top, #1e293b, #020617);
}
.screenshots {
  text-align: center;
  padding: 100px 20px;
}

.carousel {
  position: relative;
  max-width: 600px;
  margin: 40px auto 0;
}

.carousel-track {
  position: relative;
}

.slide {
  width: 100%;
  display: none;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.slide.active {
  display: block;
}

.nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.6);
  border: none;
  color: white;
  font-size: 24px;
  padding: 10px 15px;
  cursor: pointer;
  border-radius: 8px;
}

.prev {
  left: -50px;
}

.next {
  right: -50px;
}

.nav:hover {
  background: rgba(0,0,0,0.8);
}

@media (max-width: 600px) {
  .prev {
    left: 10px;
  }
  .next {
    right: 10px;
  }
}
.slide {
  border: 1px solid rgba(255,255,255,0.08);
}