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

:root {
  --color-primary: #00f2ff;
  --color-secondary: #0f172a;
  --color-accent: #7c3aed;
  --color-text: #1a1a1a;
  --color-text-light: #6b7280;
  --color-bg: #ffffff;
  --color-bg-alt: #f9fafb;
  --color-dark: #0f172a;
  --color-dark-alt: #1e293b;
  --color-white: #ffffff;
  --font-family: 'Space Grotesk', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --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: 1rem;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
  border: 2px solid transparent;
  min-width: 44px;
  min-height: 44px;
}

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

.btn-primary:hover {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(0, 242, 255, 0.4);
}

.btn-secondary {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-secondary);
  transform: translateY(-2px);
}

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

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.4);
}

.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  height: 100%;
  border: 1px solid rgba(0,0,0,0.05);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.glass-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  color: var(--color-white);
  transition: var(--transition-base);
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-primary);
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(0, 242, 255, 0.1);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  color: var(--color-white);
  font-weight: 500;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-base);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--color-white);
  font-size: 1.5rem;
  cursor: pointer;
}

.hero {
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  background-color: var(--color-secondary);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-content h1 {
  font-size: 4rem;
  margin-bottom: var(--space-md);
  background: linear-gradient(90deg, var(--color-white), var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: var(--space-lg);
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
}

.hero-image-wrapper {
  position: relative;
}

.hero-image-wrapper img {
  border-radius: var(--radius-lg);
  box-shadow: 0 0 50px rgba(0, 242, 255, 0.2);
}

.neural-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.3;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.footer {
  background-color: var(--color-secondary);
  color: var(--color-white);
  padding: var(--space-2xl) 0 var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer h4 {
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.footer-links li {
  margin-bottom: var(--space-xs);
}

.footer-links a:hover {
  color: var(--color-primary);
  padding-left: 5px;
}

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

.legal-info {
  margin-top: var(--space-md);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

.legal-info p {
  margin-bottom: 0.25rem;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--color-secondary);
  color: var(--color-white);
  padding: var(--space-md);
  z-index: 2000;
  display: none;
  border-top: 2px solid var(--color-primary);
}

.cookie-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
}

.cookie-btns {
  display: flex;
  gap: var(--space-sm);
}

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

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

.accordion-item {
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.accordion-header {
  padding: var(--space-md) 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  padding-bottom: 0;
}

.accordion-item.active .accordion-content {
  max-height: 300px;
  padding-bottom: var(--space-md);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: var(--color-bg-alt);
  transition: var(--transition-base);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(0, 242, 255, 0.2);
}

.dark-form .form-control {
  background: var(--color-dark-alt);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

.dark-form .form-control:focus {
  border-color: var(--color-primary);
}

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

.hero-text-z {
  position: relative;
  z-index: 2;
}

@media (max-width: 1024px) {
  .hero-content h1 {
    font-size: 3rem;
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background: var(--color-secondary);
    flex-direction: column;
    padding: var(--space-2xl);
    transition: var(--transition-base);
    z-index: 1001;
  }
  .nav-links.active {
    right: 0;
  }
  .hero-split {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content h1 {
    font-size: 2.5rem;
  }
  .hero-content p {
    margin: 0 auto var(--space-lg);
  }
  .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
  .cookie-container {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 2rem;
  }
}

.testimonial-slider {
  display: flex;
  overflow-x: auto;
  gap: var(--space-lg);
  padding: var(--space-md) 0;
  scroll-snap-type: x mandatory;
}

.testimonial-card {
  min-width: 300px;
  flex: 0 0 100%;
  scroll-snap-align: center;
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-secondary);
}

.testimonial-meta h5 {
  margin-bottom: 0;
}

.testimonial-meta p {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

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

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

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

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

.left {
  left: 0;
}

.right {
  left: 50%;
}

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

@media (max-width: 768px) {
  .timeline::after {
    left: 31px;
  }
  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 25px;
  }
  .timeline-item::after {
    left: 21px;
  }
  .right {
    left: 0;
  }
}

.circular-diagram {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.diagram-step {
  text-align: center;
  max-width: 200px;
}

.step-number {
  width: 80px;
  height: 80px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  margin: 0 auto var(--space-md);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.3);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-secondary);
  padding: 1rem;
  z-index: 2000;
  transition: 0.3s;
}

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

.error-message {
  color: #ef4444;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
}

.success-message {
  color: #10b981;
  padding: var(--space-md);
  background: rgba(16, 185, 129, 0.1);
  border-radius: var(--radius-md);
  margin-top: var(--space-md);
  display: none;
}