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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    sans-serif;
  background-color: #0a0a0a;
  color: #ededed;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #1a1a1a;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb {
  background: #2e7d5e;
  border-radius: 5px;
  transition: background 0.3s;
}

::-webkit-scrollbar-thumb:hover {
  background: #3ba07a;
}

/* Selection */
::selection {
  background: #2e7d5e;
  color: #ffffff;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #2e7d5e;
  color: #ffffff;
  padding: 8px 16px;
  text-decoration: none;
  z-index: 1002;
  transition: top 0.3s;
  border-radius: 0 0 4px 0;
}

.skip-link:focus {
  top: 0;
}

/* Navigation */
.navbar {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 5%;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(46, 125, 94, 0.2);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  padding: 0.7rem 5%;
  background: rgba(10, 10, 10, 0.98);
  border-bottom-color: rgba(46, 125, 94, 0.4);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: bold;
  color: #ffffff;
}

.logo-icon {
  width: 50px;
  height: auto;
  transition: transform 0.3s;
}

.logo:hover .logo-icon {
  transform: scale(1.05);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: #ededed;
  text-decoration: none;
  transition: all 0.3s;
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: #3ba07a;
}

.btn-download {
  background: linear-gradient(135deg, #2e7d5e, #1a4d3a);
  padding: 0.5rem 1.5rem;
  border-radius: 8px;
  transition: all 0.3s;
}

.btn-download:hover {
  background: linear-gradient(135deg, #3ba07a, #2e7d5e);
  color: #ffffff !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(46, 125, 94, 0.3);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.mobile-menu-btn span {
  display: block;
  width: 25px;
  height: 2px;
  background: #ffffff;
  margin: 5px 0;
  transition: all 0.3s;
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 5% 4rem;
  background: linear-gradient(135deg, #0a0a0a 0%, #0f1a15 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at 30% 50%,
    rgba(46, 125, 94, 0.08) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
  max-width: 1400px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.hero-text {
  flex: 1;
  min-width: 300px;
}

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

.hero h1 span {
  color: #3ba07a;
  background: linear-gradient(135deg, #2e7d5e, #3ba07a);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.1rem;
  color: #a0a0a0;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-image {
  flex: 1;
  min-width: 300px;
  text-align: center;
}

.hero-preview {
  background: linear-gradient(135deg, #1a2a24, #0f1a15);
  border-radius: 20px;
  padding: 1rem;
  border: 1px solid rgba(46, 125, 94, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.hero-img {
  width: 100%;
  max-width: 500px;
  border-radius: 12px;
  transition: transform 0.3s;
}

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

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-top: 4rem;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: bold;
  background: linear-gradient(135deg, #2e7d5e, #3ba07a);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.85rem;
  color: #a0a0a0;
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, #2e7d5e, #1a4d3a);
  color: #ffffff;
  padding: 0.9rem 2rem;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
  font-weight: 600;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #3ba07a, #2e7d5e);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(46, 125, 94, 0.3);
}

.btn-secondary {
  background: transparent;
  color: #ffffff;
  padding: 0.9rem 2rem;
  border: 1px solid #2e7d5e;
  border-radius: 10px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
  font-weight: 600;
}

.btn-secondary:hover {
  background: rgba(46, 125, 94, 0.1);
  border-color: #3ba07a;
  transform: translateY(-2px);
}

/* Features Section */
.features {
  padding: 5rem 5%;
  background: #0f0f0f;
}

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

.section-title span {
  background: linear-gradient(135deg, #2e7d5e, #3ba07a);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-title::after {
  content: "";
  display: block;
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, #2e7d5e, #3ba07a);
  margin: 1rem auto 0;
  border-radius: 2px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.feature-card {
  background: #161616;
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid #252525;
  transition: all 0.3s ease;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: #2e7d5e;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  transition: transform 0.3s;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: #3ba07a;
}

.feature-card p {
  color: #a0a0a0;
  line-height: 1.6;
}

/* Security Section */
.security {
  padding: 5rem 5%;
  background: #0a0a0a;
}

.security-container {
  display: flex;
  flex-wrap: wrap;
  gap: 4rem;
  max-width: 1400px;
  margin: 0 auto;
  align-items: center;
}

.security-content {
  flex: 1;
  min-width: 300px;
}

.security-subtitle {
  color: #a0a0a0;
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.security-list {
  list-style: none;
  margin-bottom: 2rem;
}

.security-list li {
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: transform 0.3s;
}

.security-list li:hover {
  transform: translateX(5px);
}

.security-badge {
  background: rgba(46, 125, 94, 0.2);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #3ba07a;
  border: 1px solid rgba(46, 125, 94, 0.3);
}

.security-badges {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.badge-cert {
  background: #161616;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  color: #a0a0a0;
  border: 1px solid #252525;
}

.security-visual {
  flex: 1;
  min-width: 300px;
}

.encryption-diagram {
  background: #161616;
  border-radius: 20px;
  padding: 2rem;
  border: 1px solid #252525;
}

.diagram-layer {
  text-align: center;
  padding: 1rem;
  background: #0f0f0f;
  border-radius: 10px;
  margin-bottom: 0.5rem;
}

.diagram-layer span {
  display: block;
  font-weight: 600;
}

.arrow {
  color: #2e7d5e;
  font-size: 1.2rem;
  margin-top: 0.5rem;
}

.diagram-layer.encrypt {
  background: rgba(46, 125, 94, 0.1);
  border: 1px solid #2e7d5e;
}

.diagram-layer.lock {
  background: linear-gradient(135deg, #1a4d3a, #0f2a20);
  border: 1px solid #2e7d5e;
}

/* Shortcuts Section */
.shortcuts {
  padding: 5rem 5%;
  background: #0f0f0f;
}

.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.shortcut-item {
  background: #161616;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid #252525;
  transition: all 0.3s;
}

.shortcut-item:hover {
  border-color: #2e7d5e;
  transform: translateX(5px);
}

.shortcut-key {
  background: #0a0a0a;
  padding: 0.4rem 1rem;
  border-radius: 8px;
  font-family: monospace;
  font-size: 0.85rem;
  color: #3ba07a;
  font-weight: bold;
  border: 1px solid #252525;
}

.shortcut-desc {
  color: #c0c0c0;
}

/* FAQ Section */
.faq {
  padding: 5rem 5%;
  background: #0a0a0a;
}

.faq-grid {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: #161616;
  border: 1px solid #252525;
  border-radius: 12px;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: all 0.3s;
}

.faq-item:hover {
  border-color: #2e7d5e;
}

.faq-question {
  width: 100%;
  padding: 1.2rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s;
}

.faq-question:hover {
  background: rgba(46, 125, 94, 0.1);
}

.faq-icon {
  color: #2e7d5e;
  font-size: 0.8rem;
  transition: transform 0.3s;
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 1.5rem;
}

.faq-answer p {
  color: #a0a0a0;
  padding-bottom: 1.2rem;
  margin: 0;
  line-height: 1.6;
}

/* Download Section */
.download {
  padding: 5rem 5%;
  background: linear-gradient(135deg, #0a0a0a, #0f1a15);
}

.download-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.download-content {
  flex: 1;
  min-width: 280px;
}

.download h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.download h2 span {
  background: linear-gradient(135deg, #2e7d5e, #3ba07a);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.download p {
  color: #a0a0a0;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.download-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.download-requirements {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.req-item {
  background: #161616;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  color: #a0a0a0;
  border: 1px solid #252525;
}

.download-illustration {
  flex: 0.5;
  min-width: 200px;
  text-align: center;
}

.download-illustration img {
  max-width: 100%;
  border-radius: 20px;
  opacity: 0.8;
}

/* Footer */
.footer {
  background: #0a0a0a;
  border-top: 1px solid #1a1a1a;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 3rem 5% 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.footer-logo {
  width: 40px;
  margin-bottom: 1rem;
}

.footer-section h3 {
  color: #3ba07a;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.footer-section p {
  color: #a0a0a0;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

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

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: #a0a0a0;
  text-decoration: none;
  transition: color 0.3s;
  font-size: 0.85rem;
}

.footer-section ul li a:hover {
  color: #3ba07a;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-links a {
  color: #a0a0a0;
  text-decoration: none;
  transition: color 0.3s;
  font-size: 0.85rem;
}

.social-links a:hover {
  color: #3ba07a;
}

.footer-bottom {
  border-top: 1px solid #1a1a1a;
  padding: 1.5rem 5%;
  text-align: center;
}

.footer-bottom p {
  color: #a0a0a0;
  font-size: 0.75rem;
  margin-bottom: 0.5rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: #a0a0a0;
  text-decoration: none;
  font-size: 0.75rem;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: #3ba07a;
}

/* Responsive */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: #0f0f0f;
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid #2e7d5e;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  }

  .nav-links.show {
    display: flex;
  }

  .hero {
    padding: 6rem 1.5rem 3rem;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1rem;
  }

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

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

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

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

  .download-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .download-requirements {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }

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

  .social-links {
    justify-content: center;
  }

  .footer-links {
    flex-direction: column;
    gap: 0.5rem;
  }

  .security-list li {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

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

/* Animações */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
/* Hero Badge */
.hero-badge {
  margin-bottom: 1.5rem;
}

.badge {
  display: inline-block;
  background: linear-gradient(135deg, #2e7d5e, #1a4d3a);
  padding: 0.3rem 1rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 0.5px;
}

/* Preview Overlay */
.hero-preview {
  position: relative;
}

.preview-overlay {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.7rem;
  color: #3ba07a;
  font-weight: 600;
}

/* Shortcuts Note */
.shortcuts-note {
  text-align: center;
  margin-top: 2rem;
  padding: 1rem;
  background: rgba(46, 125, 94, 0.1);
  border-radius: 8px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.shortcuts-note p {
  color: #a0a0a0;
  font-size: 0.85rem;
  margin: 0;
}

/* Trust Badge */
.trust-badge {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.trust-badge span {
  background: rgba(46, 125, 94, 0.15);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.7rem;
  color: #3ba07a;
}

/* Feature Showcase */
.feature-showcase {
  text-align: center;
}

.feature-showcase img {
  width: 120px;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.feature-list {
  text-align: left;
  background: #0f0f0f;
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid #1a1a1a;
}

.feature-list span {
  display: block;
  margin: 0.5rem 0;
  font-size: 0.8rem;
  color: #c0c0c0;
}

/* Additional stat */
.hero-stats .stat {
  min-width: 80px;
}

/* Responsive improvements */
@media (max-width: 768px) {
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .trust-badge {
    flex-direction: column;
    align-items: center;
  }

  .hero-badge {
    text-align: center;
  }
}

/* Smooth image loading */
img {
  opacity: 0;
  transition: opacity 0.3s;
}

/* Download section improvements */
.download-requirements {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.req-item {
  background: #0f0f0f;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.75rem;
  color: #a0a0a0;
  border: 1px solid #1a1a1a;
}