@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  --color-primary: #6366f1;
  --color-secondary: #0f172a;
  --color-accent: #22d3ee;
  --color-text: #f9fafb;
  --color-text-dark: #1a1a1a;
  --color-text-light: #94a3b8;
  --color-bg: #0f172a;
  --color-bg-alt: #1e293b;
  --color-glass: rgba(255, 255, 255, 0.05);
  --color-glass-border: rgba(99, 102, 241, 0.2);
  --color-glass-hover: rgba(99, 102, 241, 0.1);

  --font-family: 'Space Grotesk', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1.5rem;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.5);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.6);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.8);

  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  height: -webkit-fill-available;
}

body {
  font-family: var(--font-family);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  min-height: 100vh;
  min-height: -webkit-fill-available;
}

.bg-neural {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: radial-gradient(circle at 50% 50%, #1e293b 0%, #0f172a 100%);
  overflow: hidden;
}

.bg-neural::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%236366f1' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2v-4h4v-2h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2v-4h4v-2H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  animation: neural-move 60s linear infinite;
  opacity: 0.5;
}

@keyframes neural-move {
  from { transform: translate(0, 0); }
  to { transform: translate(-50%, -50%); }
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
}

h1 { font-size: clamp(2.5rem, 8vw, 4.5rem); }
h2 { font-size: clamp(2rem, 5vw, 3rem); }
h3 { font-size: 1.75rem; }

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

.glass-panel {
  background: var(--color-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
}

.glass-card {
  background: var(--color-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-8px);
  background: var(--color-glass-hover);
  border-color: var(--color-accent);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: 1rem;
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
  border: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: #4f46e5;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
  transform: scale(1.02);
}

.btn-secondary {
  background: transparent;
  color: #ffffff;
  border: 1px solid var(--color-glass-border);
}

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

.btn-accent {
  background: var(--color-accent);
  color: var(--color-secondary);
}

.btn-accent:hover {
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.4);
}

.nav-container {
  position: fixed;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 1200px;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 2rem;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-glass-border);
  border-radius: 100px;
}

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

.nav-link {
  font-weight: 500;
  font-size: 0.9375rem;
  opacity: 0.8;
}

.nav-link:hover, .nav-link.active {
  opacity: 1;
  color: var(--color-accent);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.6);
  z-index: 1;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-padding {
  padding: var(--space-2xl) 0;
}

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.footer {
  background: var(--color-secondary);
  border-top: 1px solid var(--color-glass-border);
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-xl);
}

.footer-legal {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  color: white;
  font-family: inherit;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.08);
}

.faq-item {
  border-bottom: 1px solid var(--color-glass-border);
  padding: var(--space-md) 0;
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  color: white;
  font-size: 1.125rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  padding: 0.5rem 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  color: var(--color-text-light);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding-top: 1rem;
}

.faq-icon {
  transition: transform 0.3s;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--color-glass-border);
  padding: 1.5rem 0;
  z-index: 2000;
  transform: translateY(100%);
  transition: transform 0.5s ease-in-out;
}

.cookie-banner.active {
  transform: translateY(0);
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .nav-container {
    padding: 0.75rem 1.5rem;
    border-radius: 20px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .section-padding {
    padding: var(--space-xl) 0;
  }
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  height: 100vh;
  background: #0f172a;
  z-index: 2000;
  padding: 6rem 2rem;
  transition: right 0.4s ease-in-out;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.mobile-menu.active {
  right: 0;
}

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1500;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}

.mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 2px;
  background: var(--color-glass-border);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -1px;
}

.timeline-item {
  padding: 10px 40px;
  position: relative;
  background-color: inherit;
  width: 50%;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  right: -10px;
  background-color: var(--color-bg);
  border: 4px solid var(--color-accent);
  top: 15px;
  border-radius: 50%;
  z-index: 1;
}

.left { left: 0; }
.right { left: 50%; }

.right::after { left: -10px; }

.left::before {
  content: " ";
  height: 0;
  position: absolute;
  top: 22px;
  width: 0;
  z-index: 1;
  right: 30px;
  border: medium solid var(--color-glass-border);
  border-width: 10px 0 10px 10px;
  border-color: transparent transparent transparent var(--color-glass-border);
}

.right::before {
  content: " ";
  height: 0;
  position: absolute;
  top: 22px;
  width: 0;
  z-index: 1;
  left: 30px;
  border: medium solid var(--color-glass-border);
  border-width: 10px 10px 10px 0;
  border-color: transparent var(--color-glass-border) transparent transparent;
}

@media screen and (max-width: 600px) {
  .timeline::after { left: 31px; }
  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 25px;
  }
  .timeline-item::before {
    left: 60px;
    border: medium solid var(--color-glass-border);
    border-width: 10px 10px 10px 0;
    border-color: transparent var(--color-glass-border) transparent transparent;
  }
  .left::after, .right::after { left: 21px; }
  .right { left: 0%; }
}

.pricing-table {
  border-collapse: collapse;
  width: 100%;
  background: var(--color-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.pricing-table th, .pricing-table td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-glass-border);
}

.pricing-table th {
  background: rgba(255, 255, 255, 0.05);
  font-weight: 700;
}

.risk-disclaimer {
  padding: var(--space-md);
  border: 1px solid #ef4444;
  border-radius: var(--radius-md);
  background: rgba(239, 68, 68, 0.1);
  color: #fca5a5;
  font-size: 0.875rem;
  margin: var(--space-lg) 0;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent);
  color: var(--color-secondary);
  padding: 8px;
  z-index: 3000;
  transition: top 0.3s;
}

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

.neon-text {
  text-shadow: 0 0 10px rgba(99, 102, 241, 0.5), 0 0 20px rgba(99, 102, 241, 0.3);
}

.accent-glow {
  color: var(--color-accent);
  text-shadow: 0 0 10px rgba(34, 211, 238, 0.5);
}

.testimonial-date {
  font-size: 0.8rem;
  color: var(--color-text-light);
  display: block;
  margin-top: 0.5rem;
}