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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #000;
  color: #fff;
  overflow-x: hidden;
}

/* Fundo tecnológico com grid e partículas dark */
.tech-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background: radial-gradient(circle at 20% 50%, rgba(80,0,150,0.3) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(90,60,180,0.2) 0%, transparent 50%),
              radial-gradient(circle at 40% 80%, rgba(120,60,180,0.2) 0%, transparent 50%),
              linear-gradient(135deg, #000 0%, #0a0a0a 100%);
}

.grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-image: linear-gradient(rgba(80,0,150,0.07) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(80,0,150,0.07) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translate(0,0); }
  100% { transform: translate(50px,50px); }
}

.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.particle {
  position: absolute;
  background: linear-gradient(45deg, #500096, #783cb4); /* roxos mais escuros */
  border-radius: 50%;
  opacity: 0.7;
  animation: float 8s ease-in-out infinite;
}

@keyframes float {
  0%,100% { transform: translateY(0px) rotate(0deg) scale(1); opacity:0.7; }
  50% { transform: translateY(-30px) rotate(180deg) scale(1.2); opacity:0.4; }
}

/* Header */
header {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1rem 2rem;
  background: transparent;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  padding: 0;
}

.logo img {
  width: 50px;
  height: 50px;
}

.logo span {
  color: #fff;
  font-weight: bold;
  font-size: 1.5rem;
  text-shadow: 0 0 10px rgba(80,0,150,0.7);
}

/* Desktop nav */
.desktop-nav {
  display: flex;
}

.desktop-nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.desktop-nav a {
  color: #fff;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.desktop-nav a:hover {
  background: rgba(80,0,150,0.2);
  color: #500096;
}

.menu-toggle {
  display: none; /* já que não precisamos do login/menu lateral */
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 2rem;
  text-align: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-content h1 {
  font-size: 4rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.hero-content .highlight {
  color: #500096;
}

.hero-description {
  font-size: 1.3rem;
  color: #b0b0b0;
  margin-bottom: 2rem;
  max-width: 700px;
  line-height: 1.6;
}

/* Botões do hero */
.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background: #500096b0;
  color: #fff;
}

.btn-primary:hover {
  background: #500096;
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 2px solid transparent;
}

.btn-secondary:hover {
  border-color: #500096;
  background: rgba(80,0,150,0.1);
}

/* Seções */
section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  color: #500096;
}

/* Recursos */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(300px,1fr));
  gap: 2rem;
}

.feature-card {
  background: rgba(80,0,150,0.1);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid rgba(80,0,150,0.2);
  text-align: center;
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-card i {
  font-size: 3rem;
  color: #500096;
  margin-bottom: 1rem;
}

.feature-card h3 {
  margin-bottom: 1rem;
  color: #fff;
}

.feature-card p {
  color: #9ca3af;
}

/* Como Funciona */
.steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
  max-width: 600px;
  margin: 0 auto;
}

.step {
  text-align: center;
  max-width: 400px;
  width: 100%;
}

.step-number {
  width: 60px;
  height: 60px;
  background: #500096;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  margin: 0 auto 1rem;
}

.step h3 {
  margin-bottom: 1rem;
  color: #fff;
}

.step p {
  color: #9ca3af;
}

/* CTA Final */
.final-cta {
  text-align: center;
  background: rgba(80,0,150,0.1);
  padding: 4rem 2rem;
  border-radius: 12px;
  margin: 3rem auto;
  max-width: 800px;
}

.final-cta h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #500096;
}

/* Footer */
footer {
  background: transparent;
  padding: 2rem;
  color: #fff;
}

.footer-bottom {
  text-align: center;
  font-size: 0.9rem;
  color: #9ca3af;
}

/* Responsivo */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .desktop-nav {
    display: none;
  }
  }