:root {
  --color-primary: #00f2ff;
  --color-secondary: #0a0b10;
  --color-accent: #7000ff;
  --color-text: #f9fafb;
  --color-text-dark: #1a1a1a;
  --color-text-light: #9ca3af;
  --color-bg: #0a0b10;
  --color-bg-alt: #111827;
  --color-white: #ffffff;

  --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: 1rem;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.5);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.7);
  --shadow-lg: 0 10px 15px 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;
}

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

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

.blueprint-grid {
  background-image: 
    linear-gradient(rgba(0, 242, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 242, 255, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

.glass-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.glass-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 20px rgba(0, 242, 255, 0.2);
  transform: translateY(-5px);
}

.neon-border {
  position: relative;
}

.neon-border::after {
  content: '';
  position: absolute;
  inset: -1px;
  background: linear-gradient(45deg, var(--color-primary), var(--color-accent));
  z-index: -1;
  border-radius: inherit;
  opacity: 0.3;
  transition: var(--transition-base);
}

.neon-border:hover::after {
  opacity: 1;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  cursor: pointer;
  text-decoration: none;
  min-width: 44px;
  min-height: 44px;
}

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

.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 15px var(--color-primary);
  transform: scale(1.02);
}

.btn-secondary {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}

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

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

.btn-accent:hover {
  box-shadow: 0 0 15px var(--color-accent);
}

.nav-link {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-fast);
  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%;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  height: 100vh;
  background-color: var(--color-secondary);
  z-index: 50;
  transition: var(--transition-base);
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 60;
}

.hamburger span {
  display: block;
  width: 30px;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: var(--space-lg);
  line-height: 1.2;
}

.section-subtitle {
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  display: block;
}

.footer-legal {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  margin-top: var(--space-2xl);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

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

.form-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--color-white);
  transition: var(--transition-base);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.1);
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--color-bg-alt);
  border-top: 2px solid var(--color-primary);
  padding: var(--space-md);
  z-index: 1000;
  display: none;
  transform: translateY(100%);
  transition: transform 0.5s ease-in-out;
}

.cookie-banner.show {
  display: block;
  transform: translateY(0);
}

.accordion-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.accordion-header {
  width: 100%;
  padding: var(--space-md) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.125rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 11, 16, 0.7);
  z-index: 1;
}

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

@media (max-width: 767px) {
  .hamburger {
    display: flex;
  }
  
  .desktop-nav {
    display: none;
  }
  
  .section-title {
    font-size: 2rem;
  }
}

@media (min-width: 768px) {
  .grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
  }
  
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
  }
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-secondary);
  padding: 8px;
  z-index: 100;
  transition: top 0.3s;
}

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

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

.aspect-video {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.text-contrast-high {
  color: var(--color-white);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}