/* Reset e Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.icona {
  width: 32px;
  height: 32px;
}


.logo-text {
  font-size: 24px;
  font-weight: bold;
  background: linear-gradient(135deg, #3b82f6, #10b981);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  text-decoration: none;
  color: #374151;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #3b82f6;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 50%, #f0fdf4 100%);
  padding: 80px 0 100px;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, #3b82f6, #10b981);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.25rem;
  color: #6b7280;
  margin-bottom: 40px;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.btn-primary {
  background: #000;
  color: white;
  padding: 15px 30px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
  background: #1f2937;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
  border: 2px solid #3b82f6;
  color: #3b82f6;
  padding: 13px 30px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: #3b82f6;
  color: white;
}

.rating {
  display: flex;
  align-items: center;
  gap: 15px;
  color: #6b7280;
}

.stars {
  font-size: 1.2rem;
}

/* Phone Mockup */
.hero-phone {
  display: flex;
  justify-content: center;
}

.phone {
  width: 280px;
  height: 560px;
  background: linear-gradient(145deg, #1f2937, #374151);
  border-radius: 40px;
  padding: 8px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
  position: relative;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: #000;
  border-radius: 32px;
  overflow: hidden;
  position: relative;
}

.app-interface {
  background: linear-gradient(135deg, #3b82f6, #10b981);
  height: 100%;
  padding: 30px 20px;
  color: white;
}

.app-header {
  text-align: center;
  margin-bottom: 40px;
}

.app-logo {
  font-size: 48px;
  margin-bottom: 10px;
}

.app-header h3 {
  font-size: 24px;
  font-weight: bold;
}

.energy-card {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 25px;
  margin-bottom: 30px;
}

.energy-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.energy-label {
  font-size: 14px;
  opacity: 0.9;
}

.energy-value {
  font-size: 24px;
  font-weight: bold;
}

.progress-bar {
  background: rgba(255, 255, 255, 0.3);
  height: 8px;
  border-radius: 4px;
  margin-bottom: 10px;
  overflow: hidden;
}

.progress-fill {
  background: #09e753;
  height: 100%;
  width: 100%;
  border-radius: 4px;
}

.savings {
  font-size: 12px;
  opacity: 0.9;
}

.app-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.app-card {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 20px;
  text-align: center;
}

.card-icon {
  font-size: 24px;
  margin-bottom: 8px;
}

.card-label {
  font-size: 12px;
  opacity: 0.9;
}

/* Features Section */
.features {
  padding: 100px 0;
  background: #fff;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: bold;
  color: #1f2937;
  margin-bottom: 20px;
}

.section-header p {
  font-size: 1.25rem;
  color: #6b7280;
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.feature-card {
  background: #f9fafb;
  padding: 40px;
  border-radius: 20px;
  transition: all 0.3s ease;
  border: 1px solid #e5e7eb;
}

.feature-card:hover {
  background: white;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: block;
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: bold;
  color: #1f2937;
  margin-bottom: 15px;
}

.feature-card p {
  color: #6b7280;
  line-height: 1.7;
}

/* CTA Section */
.cta {
  background: linear-gradient(135deg, #3b82f6, #10b981);
  padding: 100px 0;
  text-align: center;
  color: white;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 20px;
}

.cta-content p {
  font-size: 1.25rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 40px;
}

.btn-cta {
  background: white;
  color: #3b82f6;
  padding: 18px 40px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn-cta:hover {
  background: #f3f4f6;
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
}

.cta-stats {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  opacity: 0.9;
}

/* Footer */
.footer {
  background: #1f2937;
  color: white;
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: #9ca3af;
  margin-top: 15px;
  max-width: 400px;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #9ca3af;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: white;
}

.contact-info p {
  color: #9ca3af;
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 30px;
  text-align: center;
  color: #9ca3af;
}

/* Privacy Page Styles */
.privacy-hero {
  background: linear-gradient(135deg, #f0f9ff 0%, #f0fdf4 100%);
  padding: 80px 0;
  text-align: center;
}

.privacy-header {
  max-width: 600px;
  margin: 0 auto;
}

.privacy-icon {
  font-size: 64px;
  margin-bottom: 20px;
}

.privacy-header h1 {
  font-size: 3rem;
  font-weight: bold;
  color: #1f2937;
  margin-bottom: 20px;
}

.privacy-header p {
  font-size: 1.25rem;
  color: #6b7280;
  margin-bottom: 10px;
}

.privacy-header small {
  color: #9ca3af;
}

.privacy-content {
  padding: 80px 0;
}

.privacy-card {
  background: white;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  padding: 60px;
  max-width: 900px;
  margin: 0 auto;
}

.privacy-section {
  margin-bottom: 50px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
}

.section-icon {
  font-size: 24px;
}

.section-title h2 {
  font-size: 1.8rem;
  font-weight: bold;
  color: #1f2937;
}

.privacy-section p {
  color: #4b5563;
  margin-bottom: 15px;
  line-height: 1.7;
}

.privacy-section ul {
  list-style: none;
  padding-left: 0;
}

.privacy-section li {
  color: #4b5563;
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
}

.privacy-section li:before {
  content: '•';
  color: #3b82f6;
  font-weight: bold;
  position: absolute;
  left: 0;
}

.privacy-guarantee {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 12px;
  padding: 25px;
  margin: 20px 0;
}

.privacy-guarantee p:first-child {
  color: #166534;
  font-weight: 600;
  margin-bottom: 10px;
}

.privacy-guarantee p:last-child {
  color: #15803d;
  margin-bottom: 0;
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.security-card {
  background: #f9fafb;
  padding: 25px;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
}

.security-card h4 {
  color: #1f2937;
  font-weight: 600;
  margin-bottom: 10px;
}

.security-card p {
  color: #6b7280;
  font-size: 0.9rem;
  margin: 0;
}

.contact-card {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 12px;
  padding: 25px;
  margin-top: 20px;
}

.contact-card p:first-child {
  color: #1e40af;
  margin-bottom: 15px;
}

.contact-details p {
  color: #1d4ed8;
  margin-bottom: 8px;
}

.updates-card {
  background: #f9fafb;
  border-radius: 12px;
  padding: 25px;
  margin-top: 20px;
}

.updates-card h3 {
  color: #1f2937;
  font-size: 1.2rem;
  margin-bottom: 15px;
}

.updates-card p {
  color: #4b5563;
  margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-title {
    font-size: 2.5rem;
  }

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

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

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .nav-links {
    display: none;
  }

  .privacy-card {
    padding: 30px 20px;
    margin: 0 20px;
  }

  .security-grid {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .hero {
    padding: 60px 0 80px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-description {
    font-size: 1.1rem;
  }

  .phone {
    width: 240px;
    height: 480px;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .cta-content h2 {
    font-size: 2rem;
  }

  .privacy-header h1 {
    font-size: 2.5rem;
  }
}