/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: #ffffff;
  color: #121211;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Utility Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-xs {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: linear-gradient(135deg, #CF75FF 0%, #5BEDFE 50%, #6D5EFF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #CF75FF 0%, #5BEDFE 100%);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 20px rgba(207, 117, 255, 0.3);
  text-decoration: none;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(207, 117, 255, 0.4);
}

.btn-primary svg {
  transition: transform 0.2s ease;
}

.btn-primary:hover svg {
  transform: translateX(4px);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-10px); }
}

@keyframes scroll {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(4px); opacity: 0.5; }
}

.animate-fade-in {
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
}

.animate-fade-in-delay-1 { animation-delay: 0.1s; }
.animate-fade-in-delay-2 { animation-delay: 0.2s; }
.animate-fade-in-delay-3 { animation-delay: 0.3s; }

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: white;
  transition: all 0.3s ease;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid #f0f0f0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: #121211;
  text-decoration: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  color: rgba(18, 18, 17, 0.7);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: #121211;
}

.nav-link svg {
  opacity: 0.5;
}

/* Dropdown Styles */
.nav-item {
  position: relative;
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 8px;
  min-width: 200px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  border: 1px solid #f0f0f0;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s ease;
  z-index: 100;
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown a {
  display: block;
  padding: 10px 16px;
  font-size: 14px;
  color: #374151;
  text-decoration: none;
  transition: all 0.2s ease;
}

.nav-dropdown a:hover {
  background: #f9fafb;
  color: #121211;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-ghost {
  background: transparent;
  border: none;
  color: rgba(18, 18, 17, 0.7);
  font-size: 15px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.btn-ghost:hover {
  color: #121211;
  background: #f5f5f5;
}

.btn-header {
  background: linear-gradient(135deg, #CF75FF 0%, #5BEDFE 100%);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 15px rgba(207, 117, 255, 0.25);
}

.btn-header:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 8px 25px rgba(207, 117, 255, 0.35);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: #121211;
}

.mobile-menu {
  display: none;
}

/* Footer */
.footer {
  background: #121211;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 80px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr repeat(4, 155px);
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 24px;
}

.footer-logo {
  font-size: 24px;
  font-weight: 700;
  color: white;
  text-decoration: none;
  display: inline-block;
  margin-bottom: 16px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.4);
  transition: all 0.2s ease;
}

.footer-social a:hover {
  background: linear-gradient(135deg, #CF75FF, #5BEDFE);
  color: white;
  transform: translateY(-2px);
}

.footer-column h4 {
  color: white;
  font-weight: 600;
  margin-bottom: 16px;
}

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

.footer-column li {
  margin-bottom: 12px;
}

.footer-column a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-column a:hover {
  color: #CF75FF;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.4);
  font-size: 14px;
}

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav, .header-actions {
    display: none;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    padding: 16px 24px 24px;
    z-index: 999;
    flex-direction: column;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }

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

  .mobile-menu-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #9ca3af;
    padding: 12px 0 4px;
  }

  .mobile-menu a {
    display: block;
    padding: 11px 0;
    border-bottom: 1px solid #f3f4f6;
    color: #121211;
    text-decoration: none;
    font-size: 15px;
  }

  .mobile-menu-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
  }

  .mobile-menu-actions a {
    text-align: center;
    border-bottom: none !important;
  }
}