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

:root {
  --bg-primary: #f5f7fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e8f5f3;
  --bg-card: #ffffff;
  --text-primary: #1a2b3c;
  --text-secondary: #4a5e6d;
  --text-muted: #7a8d9c;
  --accent-primary: #00838f;
  --accent-secondary: #006064;
  --accent-tertiary: #004d40;
  --accent-gradient: linear-gradient(135deg, #00acc1 0%, #00838f 50%, #006064 100%);
  --success: #00897b;
  --warning: #ff8f00;
  --danger: #c62828;
  --border: rgba(0, 131, 143, 0.12);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(245, 247, 250, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.nav-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.nav-logo-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-logo-badge {
  font-size: 0.6rem;
  padding: 0.25rem 0.5rem;
  background: var(--accent-gradient);
  color: var(--bg-primary);
  border-radius: 4px;
  font-weight: 700;
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--accent-primary);
}

.nav-link-btn {
  padding: 0.6rem 1.5rem;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.nav-link-secondary {
  background: var(--bg-tertiary);
  border: 1.5px solid rgba(0, 131, 143, 0.25);
  color: var(--accent-primary);
}

.nav-link-secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--accent-primary);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 131, 143, 0.15);
}

.nav-link-primary {
  background: var(--accent-gradient);
  color: var(--bg-primary);
  border: none;
}

.nav-link-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 131, 143, 0.3);
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
}

/* ===== Hero Section ===== */
.hero {
  padding: 120px 2rem 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 1000px;
  background: radial-gradient(circle, rgba(0, 131, 143, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(0, 131, 143, 0.08);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent-primary);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero-title-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.hero-btn-primary {
  background: var(--accent-gradient);
  color: var(--bg-primary);
}

.hero-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 131, 143, 0.25);
}

.hero-btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.hero-btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--accent-primary);
}

.hero-stats {
  display: flex;
  gap: 3rem;
}

.hero-stat {
  text-align: left;
}

.hero-stat-number {
  font-size: 2rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-visual {
  position: relative;
  height: 450px;
}

.hero-card {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}

.hero-card-1 {
  top: 0;
  right: 0;
  width: 230px;
  animation-delay: 0s;
}

.hero-card-2 {
  top: 30px;
  left: 0;
  width: 210px;
  animation-delay: 2s;
}

.hero-card-3 {
  bottom: 20px;
  right: 30px;
  width: 210px;
  animation-delay: 4s;
}

.hero-card-4 {
  bottom: 0;
  left: 20px;
  width: 220px;
  animation-delay: 1s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}


.hero-card-icon {
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.hero-card-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.hero-card-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.hero-card-change {
  font-size: 0.85rem;
  font-weight: 600;
}

.hero-card-change.positive {
  color: var(--success);
}

.hero-card-progress {
  width: 100%;
  height: 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 0.75rem;
}

.hero-card-progress-bar {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 4px;
  transition: width 0.3s ease;
}

/* ===== Trust Banner ===== */
.trust-banner {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 2rem;
}

.trust-banner-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
}

.trust-item svg {
  color: var(--accent-primary);
  flex-shrink: 0;
}

/* ===== Features Section ===== */
.features {
  padding: 80px 2rem;
  background: var(--bg-secondary);
}

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

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(0, 131, 143, 0.08);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Feature groups */
.features-group {
  margin-bottom: 3rem;
}

.features-group:last-child {
  margin-bottom: 0;
}

.features-group-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  padding-left: 0.25rem;
}

.features-group-title svg {
  color: var(--accent-primary);
}

.features-group-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  padding-left: 0.25rem;
  max-width: 650px;
}

/* Security group highlight */
.features-security {
  background: rgba(0, 131, 143, 0.04);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
}

.features-security .feature-card-security {
  border-color: rgba(0, 131, 143, 0.2);
}

.features-security .feature-card-security .feature-icon {
  background: linear-gradient(135deg, #00838f 0%, #004d40 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.features-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-primary);
  margin-bottom: 1.5rem;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== How It Works ===== */
.how-it-works {
  padding: 80px 2rem;
  background: var(--bg-primary);
}

.how-it-works-container {
  max-width: 900px;
  margin: 0 auto;
}

.how-it-works-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.how-it-works-step {
  flex: 1;
  text-align: center;
  padding: 0 1.5rem;
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--accent-gradient);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 auto 1rem;
}

.step-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.step-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.how-it-works-connector {
  width: 60px;
  height: 2px;
  background: var(--border);
  margin-top: 24px;
  flex-shrink: 0;
}

/* ===== CTA Section ===== */
.cta {
  padding: 80px 2rem;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 131, 143, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-content {
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 4rem 3rem;
}

.cta-shield {
  width: 56px;
  height: 56px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin: 0 auto 1.5rem;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.cta-btn {
  padding: 1rem 2.5rem;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.cta-btn-primary {
  background: var(--accent-gradient);
  color: var(--bg-primary);
}

.cta-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 131, 143, 0.25);
}

.cta-btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.cta-btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-primary);
}

/* ===== Footer ===== */
.footer {
  padding: 60px 2rem 30px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.footer-logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-description {
  color: var(--text-secondary);
  line-height: 1.7;
}

.footer-title {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-social {
  display: flex;
  gap: 2rem;
}

.footer-social-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.footer-social-link:hover {
  color: var(--accent-primary);
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-visual {
    height: 400px;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-banner-container {
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    border-top: 1px solid var(--border);
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
    display: none;
  }

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

  .nav-mobile-toggle {
    display: block;
  }

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

  .hero-stats {
    gap: 2rem;
  }

  .trust-banner-container {
    gap: 1.25rem;
    justify-content: flex-start;
  }

  .trust-item {
    font-size: 0.8rem;
  }

  .features-grid,
  .features-grid-3 {
    grid-template-columns: 1fr;
  }

  .features-security {
    padding: 1.25rem;
  }

  .how-it-works-steps {
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
  }

  .how-it-works-connector {
    width: 2px;
    height: 30px;
    margin: 0;
  }

  .how-it-works-step {
    padding: 0;
  }

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

  .cta-title {
    font-size: 1.75rem;
  }

  .cta-content {
    padding: 2.5rem 1.5rem;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .cta-actions {
    flex-direction: column;
  }
}