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

body {
  background: radial-gradient(circle at top, #121212, #0a0a0a);
  color: #eaeaea;
  line-height: 1.7;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* HEADER */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #1f1f1f;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
}

.logo {
  font-size: 1.2rem;
  font-weight: 700;
}

.nav a {
  margin-left: 18px;
  text-decoration: none;
  color: #cfcfcf;
  transition: 0.2s ease;
}

.nav a:hover {
  color: #7c7cff;
}

/* HERO */
.hero {
  padding: 100px 0 70px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.hero-text h2 {
  font-size: 3rem;
  font-weight: 800;
}

.hero-text h3 {
  color: #7c7cff;
  margin-top: 6px;
  font-size: 1.3rem;
}

.hero-text p {
  margin-top: 18px;
  color: #bdbdbd;
  max-width: 520px;
}

/* BUTTONS */
.hero-buttons {
  margin-top: 26px;
  display: flex;
  gap: 12px;
}

.btn, .btn-outline {
  padding: 12px 22px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: 0.2s ease;
}

.btn {
  background: linear-gradient(135deg, #7c7cff, #5f5fff);
  color: white;
  box-shadow: 0 6px 25px rgba(124,124,255,0.35);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-outline {
  border: 1px solid #7c7cff;
  color: #7c7cff;
}

.btn-outline:hover {
  background: #7c7cff;
  color: white;
}

/* HERO IMAGE */
.image-box {
  width: 260px;
  height: 260px;
  border-radius: 20px;
  border: 3px solid #7c7cff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 900;
  color: #7c7cff;
  box-shadow: 0 0 45px rgba(124,124,255,0.45);
}

/* SECTION */
.section {
  padding: 80px 0;
}

.section-header h3 {
  font-size: 1.9rem;
  margin-bottom: 18px;
}

/* TEXT */
.text-block {
  color: #cfcfcf;
  max-width: 900px;
}

/* FEATURES */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.feature-card {
  background: linear-gradient(180deg, #151515, #101010);
  padding: 22px;
  border-radius: 16px;
  border: 1px solid #1f1f1f;
  transition: 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: #7c7cff;
  box-shadow: 0 0 25px rgba(124,124,255,0.25);
}

/* STACK */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.stack-card {
  background: linear-gradient(180deg, #151515, #101010);
  padding: 22px;
  border-radius: 16px;
  border: 1px solid #1f1f1f;
  transition: 0.25s ease;
}

.stack-card:hover {
  transform: translateY(-6px);
  border-color: #7c7cff;
}

.stack-card h4 {
  margin-bottom: 12px;
  color: #7c7cff;
}

.stack-card span {
  display: inline-block;
  margin: 6px 8px 0 0;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid #2a2a2a;
  font-size: 0.85rem;
  color: #cfcfcf;
}

/* FOOTER */
.footer {
  text-align: center;
  padding: 28px;
  color: #777;
  border-top: 1px solid #1f1f1f;
  margin-top: 50px;
}

/* REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .image-box {
    margin: 0 auto;
  }
}

.lang-btn:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.45);
  box-shadow: 0 0 12px rgba(255,255,255,0.12);
  transform: translateY(-1px);
}

.lang-btn:active {
  transform: scale(0.96);
  box-shadow: none;
}
.lang-btn {
  margin-left: 16px;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.04);
  color: white;
  cursor: pointer;
  transition: 
    background 0.2s ease,
    transform 0.15s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

/* ============================= */
/* RESPONSIVIDADE EXTRA - LOGOS */
/* ============================= */

/* Tablets */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-text p {
    max-width: 100%;
    margin: 0 auto;
  }

  .hero-buttons {
    justify-content: center;
    flex-wrap: wrap;
  }

  .image-box {
    margin: 0 auto;
  }
}

/* Celulares */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 70px 0 50px;
  }

  .hero-text h2 {
    font-size: 2.2rem;
  }

  .hero-text h3 {
    font-size: 1.1rem;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .btn, .btn-outline {
    width: 100%;
    text-align: center;
  }

  .image-box {
    width: 200px;
    height: 200px;
    font-size: 1.6rem;
  }

  .features-grid,
  .stack-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 60px 0;
  }

  .section-header h3 {
    font-size: 1.6rem;
  }
}

/* Celulares pequenos */
@media (max-width: 480px) {
  .hero-text h2 {
    font-size: 1.9rem;
  }

  .hero-text p {
    font-size: 0.95rem;
  }

  .image-box {
    width: 170px;
    height: 170px;
  }

  .feature-card,
  .stack-card {
    padding: 18px;
  }

  .footer {
    font-size: 0.85rem;
    padding: 22px;
  }
}