:root {
  --gp-primary: #243b5b;
  --gp-accent: #3ab68b;
  --gp-accent-hover: #2d9270;
  --gp-dark: #2c4563;
  --gp-text-gray: #4b5563;
  --gp-text-light: #9ca3af;
  --gp-bg-light: #f9fafb;
  --gp-white: #ffffff;
  --max-width: 1280px;
  --nav-height: 64px;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--gp-dark);
  line-height: 1.5;
  background-color: var(--gp-white);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

ul {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(4px);
  z-index: 1000;
  border-bottom: 1px solid #f1f5f9;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.nav-logo img {
  height: 28px;
}

.nav-links {
  display: none;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
}

.nav-link:hover {
  color: #111827;
}

.nav-actions {
  display: none;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 1024px) {
  .nav-actions {
    display: flex;
  }
}

.lang-selector {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.lang-btn {
  background: none;
  border: none;
  font-weight: 500;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.lang-btn.active {
  color: #111827;
}

.lang-btn:not(.active) {
  color: #6b7280;
}

.lang-btn:hover:not(.active) {
  color: #111827;
}

.btn-get-started {
  padding: 0.5rem 1.25rem;
  background-color: var(--gp-primary);
  color: var(--gp-white);
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
}

.btn-get-started:hover {
  background-color: #1a2d45;
}

.mobile-menu-btn {
  display: block;
  background: none;
  border: none;
  padding: 0.5rem;
  color: #374151;
  cursor: pointer;
}

@media (min-width: 1024px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  padding: 1rem 0;
  border-top: 1px solid #f1f5f9;
}

.mobile-menu.open {
  display: block;
}

@media (min-width: 1024px) {
  .mobile-menu {
    display: none !important;
  }
}

.mobile-nav-link {
  display: block;
  padding: 0.5rem 0;
  font-size: 1rem;
  font-weight: 500;
  color: #374151;
}

/* Hero Section */
.hero {
  padding-top: 8rem;
  padding-bottom: 5rem;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background-color: rgba(58, 182, 139, 0.1);
  border: 1px solid rgba(58, 182, 139, 0.2);
  border-radius: 9999px;
  margin-bottom: 2rem;
  color: var(--gp-accent);
  font-size: 0.875rem;
  font-weight: 500;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  color: var(--gp-dark);
  line-height: 1.1;
  margin-bottom: 2rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.75rem;
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 4.5rem;
  }
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #4b5563;
  margin-bottom: 3rem;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}

@media (min-width: 640px) {
  .hero-ctas {
    flex-direction: row;
  }
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 1rem 2rem;
  background-color: var(--gp-accent);
  color: var(--gp-white);
  border-radius: 0.75rem;
  font-weight: 600;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
  background-color: var(--gp-accent-hover);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  padding: 1rem 2rem;
  border: 2px solid #d1d5db;
  border-radius: 0.75rem;
  font-weight: 600;
  color: #111827;
}

.btn-outline:hover {
  background-color: #f9fafb;
  border-color: #9ca3af;
}

/* Features Section */
.features {
  padding: 6rem 0;
  background-color: #f9fafb;
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.section-subtitle {
  font-size: 1.25rem;
  color: #4b5563;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}

.features-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background-color: var(--gp-white);
  padding: 2.5rem;
  border-radius: 1rem;
  border: 1px solid #f3f4f6;
  transition: all 0.3s ease;
}

.feature-card:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  border-color: #e5e7eb;
}

.feature-icon {
  width: 3.5rem;
  height: 3.5rem;
  background-color: rgba(58, 182, 139, 0.1);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--gp-accent);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* Security Section */
.security {
  padding: 6rem 0;
  background-color: var(--gp-primary);
  color: var(--gp-white);
}

.security .section-title {
  color: var(--gp-white);
}

.security .section-subtitle {
  color: var(--gp-accent);
}

.security-badges {
  display: grid;
  gap: 1rem;
  margin-bottom: 5rem;
}

@media (min-width: 768px) {
  .security-badges {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .security-badges {
    grid-template-columns: repeat(3, 1fr);
  }
}

.badge-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
}

.badge-item:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Why Choose Section */
.why-choose {
  padding: 6rem 0;
}

.why-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.why-card {
  background-color: #f9fafb;
  padding: 2.5rem;
  border-radius: 1rem;
  border: 1px solid #f3f4f6;
}

.why-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: var(--gp-accent);
  color: var(--gp-white);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 2rem;
}

/* CTA Section */
.cta-section {
  padding: 6rem 0;
  background-color: var(--gp-accent);
  text-align: center;
}

.cta-container {
  max-width: 56rem;
  margin: 0 auto;
}

.cta-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--gp-white);
  margin-bottom: 1.5rem;
}

.cta-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2.5rem;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  padding: 1.25rem 2.5rem;
  background-color: var(--gp-white);
  color: var(--gp-accent);
  border-radius: 0.75rem;
  font-size: 1.125rem;
  font-weight: 700;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Footer */
footer {
  padding: 4rem 0;
  background-color: #1a2d45;
  color: #9ca3af;
}

.footer-grid {
  display: grid;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.footer-brand {
  grid-column: span 2;
}

.footer-logo img {
  height: 28px;
  filter: brightness(0) invert(1);
  margin-bottom: 1.5rem;
}

.footer-col h4 {
  color: var(--gp-white);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

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

.footer-list a:hover {
  color: var(--gp-white);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.875rem;
}