:root {
  --bg-color: #0A0A0F;
  --text-color: #FFFFFF;
  --text-muted: #A0AEC0;
  --primary-color: #4F46E5; /* Indigo */
  --primary-hover: #6366F1;
  --accent-color: #00F0FF; /* Neon Cyan */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --error: #EF4444;
  --success: #10B981;
}

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

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Background Glow Effect */
.glow-bg {
  position: fixed;
  top: -20%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.15) 0%, rgba(10, 10, 15, 0) 70%);
  z-index: -1;
  pointer-events: none;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--glass-border);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.logo span {
  color: var(--accent-color);
}

.navbar nav a {
  color: var(--text-color);
  text-decoration: none;
  margin-left: 2rem;
  font-weight: 600;
  transition: color 0.3s ease;
}

.navbar nav a:hover {
  color: var(--accent-color);
}

/* Buttons */
.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-color), #8B5CF6);
  color: white;
  padding: 0.8rem 1.8rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  text-align: center;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
}

.btn-primary-outline {
  border: 1px solid var(--primary-color);
  padding: 0.6rem 1.5rem;
  border-radius: 8px;
}

.btn-primary-outline:hover {
  background: var(--primary-color);
  color: white !important;
}

.full-width {
  width: 100%;
}

/* Hero Section */
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6rem 5%;
  min-height: 80vh;
  gap: 4rem;
}

.hero-content {
  flex: 1;
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.highlight {
  background: -webkit-linear-gradient(45deg, var(--accent-color), #8B5CF6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 500px;
}

.hero-features {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.feature-tag {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-visual {
  flex: 1;
  position: relative;
}

.dashboard-mockup {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--glass-border);
  transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
  transition: transform 0.5s ease;
}

.dashboard-mockup:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

/* Diferenciais */
.diferenciais {
  padding: 5rem 5%;
  text-align: center;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.grid-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.card-glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 2.5rem;
  border-radius: 16px;
  backdrop-filter: blur(10px);
  text-align: left;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.hover-scale:hover {
  transform: translateY(-10px);
  border-color: rgba(255, 255, 255, 0.2);
}

.icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.card-glass h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.card-glass p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Cadastro */
.cadastro {
  padding: 5rem 5%;
  display: flex;
  justify-content: center;
}

.glass-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 3rem;
  border-radius: 24px;
  backdrop-filter: blur(20px);
  width: 100%;
  max-width: 500px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.glass-panel h2 {
  margin-bottom: 2rem;
  font-size: 2rem;
  text-align: center;
}

.input-group {
  margin-bottom: 1.5rem;
}

.input-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.input-group input {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  color: white;
  font-family: inherit;
  outline: none;
  transition: border-color 0.3s;
}

.input-group input:focus {
  border-color: var(--primary-color);
  background: rgba(0, 0, 0, 0.4);
}

.error-message {
  color: var(--error);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  text-align: center;
}

.success-message {
  color: var(--success);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  text-align: center;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  border-top: 1px solid var(--glass-border);
  margin-top: 3rem;
}

/* Hamburger button (hidden on desktop) */
.hamburger {
  display: none;
  background: none;
  border: 1px solid var(--glass-border);
  color: white;
  font-size: 1.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.2s, background 0.2s;
  min-width: 44px;
  min-height: 44px;
  line-height: 1;
  touch-action: manipulation;
}
.hamburger:hover, .hamburger:active {
  border-color: var(--accent-color);
  background: rgba(0,240,255,0.08);
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 3rem;
  }
  
  .hero-features {
    justify-content: center;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .dashboard-mockup {
    transform: none;
  }
}

@media (max-width: 768px) {
  .hamburger { display: flex; align-items: center; justify-content: center; }
  
  .navbar {
    flex-wrap: wrap;
    padding: 0.8rem 4%;
    gap: 0;
  }

  .navbar nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    margin-top: 0.5rem;
    background: rgba(10, 10, 20, 0.98);
    border-top: 1px solid var(--glass-border);
    border-radius: 0 0 12px 12px;
    padding: 0.5rem 0 0.8rem;
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
  }
  .navbar nav.open {
    display: flex;
  }
  .navbar nav a {
    margin-left: 0;
    padding: 0.9rem 1.2rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 1rem;
    display: block;
    min-height: 44px;
    line-height: 1.4;
  }
  .navbar nav a:last-child { border-bottom: none; }
  .navbar nav span {
    display: block;
    padding: 0.9rem 1.2rem;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  /* Touch-friendly buttons */
  .btn-primary, .btn-primary-outline, button {
    min-height: 44px;
  }

  /* Hero CTA buttons stack on mobile */
  .hero-cta {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    align-items: stretch;
  }
  .hero-cta a {
    margin-left: 0 !important;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .hero p { font-size: 1rem; }
  .hero-features { flex-wrap: wrap; justify-content: center; }
  .section-title { font-size: 1.8rem; }
  .glass-panel { padding: 2rem 1.5rem; }
}