:root {
  --color-bg-dark: #000000;
  --color-bg-gradient-start: #0d0d25;
  --color-bg-gradient-end: #0a0a20;
  --color-text-light: #e0e0ff;
  --color-text-subtle: #b0b0dd;
  --color-accent-cyan: #00ffff;
  --color-accent-magenta: #e600e6;
  --color-accent-purple: #ff00ff;
  --color-border-primary: rgba(0, 200, 255, 0.1);
  --color-border-secondary: rgba(0, 255, 255, 0.15);
  --color-border-focus: #00eaff;
  --font-family-headings: 'Orbitron',sans-serif;
  --font-family-body: 'Google Sans',Arial,Helvetica,sans-serif;
  --spacing-sm: 12px;
  --spacing-md: 20px;
  --spacing-lg: 40px;
  --spacing-xl: 60px;
  --spacing-xxl: 80px;
  --spacing-xxxl: 100px
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 0
}

body {
  font-family: var(--font-family-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  background: linear-gradient(135deg,var(--color-bg-gradient-start),var(--color-bg-gradient-end));
  color: var(--color-text-light);
  letter-spacing: .5px;
  position: relative;
  min-height: 100vh
}

body.dark-mode {
  background-color: var(--color-bg-dark)
}

:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
  border-radius: 4px
}

.button:focus-visible,.faq-question:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 4px;
  border-radius: 8px
}

#root {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  z-index: 1
}

main {
  flex: 1
}

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

a {
  color: inherit;
  text-decoration: none
}

ul {
  list-style: none
}

.container {
  width: 100%;
  max-width: 1246px;
  margin-left: auto;
  margin-right: auto;
  padding-left: max(var(--spacing-md),5%);
  padding-right: max(var(--spacing-md),5%)
}

.button,h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-family-headings)
}

.glow-text {
  color: var(--color-accent-cyan);
  text-shadow: 0 0 5px var(--color-accent-cyan),0 0 8px #0af,0 0 12px #07f
}

.sub-glow-text {
  color: var(--color-text-subtle);
  text-shadow: 0 0 2px rgba(176,176,221,.1)
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: 500;
  line-height: 1.2;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
  z-index: 1;
  min-height: 48px;
  text-transform: uppercase;
  letter-spacing: .8px;
  font-family: var(--font-family-headings)
}

.button-primary {
  background: linear-gradient(135deg,var(--color-accent-magenta),var(--color-accent-cyan));
  color: var(--color-bg-dark);
  text-shadow: 0 0 1px rgba(0,0,0,.1);
  box-shadow: 0 0 7px var(--color-accent-magenta),0 0 12px var(--color-accent-cyan),0 0 20px var(--color-accent-magenta)
}

.button-primary:hover {
  background: linear-gradient(135deg,#d900d9,#00b3b3);
  box-shadow: 0 0 10px var(--color-accent-magenta),0 0 18px var(--color-accent-cyan),0 0 30px var(--color-accent-magenta);
  transform: translateY(-2px)
}

.button-primary:active {
  transform: translateY(0);
  box-shadow: 0 0 4px var(--color-accent-magenta),0 0 8px var(--color-accent-cyan),0 0 12px var(--color-accent-magenta)
}

.button-secondary {
  background: linear-gradient(135deg,#15153a,#202050);
  color: var(--color-text-light);
  border: 1px solid var(--color-border-secondary);
  box-shadow: 0 0 3px rgba(0,255,255,.08)
}

.button-secondary:hover {
  background: linear-gradient(135deg,#25255a,#303070);
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 6px rgba(0,255,255,.2);
  transform: translateY(-1px)
}

.button-secondary:active {
  transform: translateY(0);
  box-shadow: inset 0 0 3px rgba(0,255,255,.1)
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  justify-content: center
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) 0;
  position: relative;
  overflow: hidden
}

.hero-background {
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(0,0,0,.7),rgba(0,0,0,.3)),url(background.jpg) no-repeat center center;
  background-size: cover;
  opacity: .99;
  z-index: 0;
  filter: blur(8px);
  transform: scale(1.05)
}

.glow-particle {
  position: absolute;
  border-radius: 50%;
  background-color: rgba(0,255,255,.01);
  box-shadow: 0 0 20px 10px rgba(0,255,255,.025);
  opacity: .08
}

.glow-particle-1 {
  width: 100px;
  height: 100px;
  top: 45%;
  left: 1%
}

.glow-particle-2 {
  width: 160px;
  height: 160px;
  bottom: 40%;
  right: 1%;
  background-color: rgba(255,0,255,.01);
  box-shadow: 0 0 20px 10px rgba(255,0,255,.025)
}

.hero-content {
  position: relative;
  z-index: 1
}

.hero h1 {
  font-size: clamp(3.5rem,9vw,6rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 3px;
  margin-bottom: var(--spacing-md);
  text-wrap: balance;
  font-family: var(--font-family-headings)
}

.hero h1.glow-text {
  color: var(--color-accent-cyan);
  text-shadow: 0 0 10px rgba(0,255,255,.6),0 0 20px rgba(0,255,255,.4),0 0 30px rgba(0,255,255,.3),0 0 40px rgba(0,255,255,.2)
}

.hero h2 {
  font-size: clamp(1.4rem,4vw,2rem);
  font-weight: 400;
  color: var(--color-text-subtle);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  text-wrap: balance;
  margin-bottom: var(--spacing-lg);
  letter-spacing: .8px
}

.features {
  padding: var(--spacing-xxxl) 0;
  text-align: center
}

.features h2 {
  font-size: clamp(2rem,6vw,3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-xl);
  text-wrap: balance;
  font-family: var(--font-family-headings)
}

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

.feature-item {
  background-color: rgba(0,0,20,.7);
  padding: var(--spacing-lg);
  border-radius: 12px;
  border: 1px solid var(--color-border-primary);
  box-shadow: inset 0 0 5px rgba(0,234,255,.1),0 0 5px rgba(0,234,255,.1);
  transition: all .2s ease
}

.feature-item:hover {
  transform: translateY(-5px);
  border-color: var(--color-border-focus);
  box-shadow: 0 0 12px rgba(0,234,255,.2),inset 0 0 4px rgba(0,234,255,.08)
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(45deg,rgba(0,234,255,.1),rgba(255,0,255,.1));
  width: var(--spacing-xl);
  height: var(--spacing-xl);
  border-radius: 50%;
  line-height: 1;
  box-shadow: 0 0 10px rgba(0,255,255,.2),inset 0 0 5px rgba(255,255,255,.1)
}

.feature-item h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-accent-cyan);
  text-shadow: 0 0 2px var(--color-accent-cyan);
  font-family: var(--font-family-headings)
}

.feature-item p {
  color: rgba(224,224,255,.8);
  font-size: 1rem
}

.cta-section {
  padding: var(--spacing-xxxl) 0;
  text-align: center;
  background-color: rgba(255,255,255,.03);
  border-top: 1px solid var(--color-border-primary);
  border-bottom: 1px solid var(--color-border-primary)
}

.cta-section h2 {
  font-size: clamp(2rem,6vw,3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  text-wrap: balance;
  font-family: var(--font-family-headings)
}

.about-content {
  padding: var(--spacing-xxl) 0;
  max-width: 800px;
  margin: 0 auto
}

.about-content h2 {
  font-size: clamp(1.8rem,5vw,2.5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border-secondary);
  display: inline-block;
  font-family: var(--font-family-headings)
}

.about-content p {
  color: rgba(224,224,255,.85);
  line-height: 1.7;
  margin-bottom: 1.5em
}

.about-content ul {
  list-style: disc;
  padding-left: var(--spacing-md);
  margin-bottom: 1.5em;
  color: rgba(224,224,255,.85)
}

.about-content li {
  margin-bottom: .8em
}

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background-color: rgba(0,0,30,.7);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(224,224,255,.4);
  font-style: italic;
  margin: var(--spacing-lg) 0;
  border: 2px dashed rgba(0,200,255,.2);
  box-shadow: inset 0 0 10px rgba(0,200,255,.1),0 0 8px rgba(0,200,255,.1)
}

.about-content>p:last-child {
  text-align: center;
  margin-top: var(--spacing-lg)
}

.faq {
  padding: var(--spacing-xxl) 0;
  max-width: 800px;
  margin: 0 auto
}

.faq h2 {
  font-size: clamp(2rem,6vw,3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-xl);
  text-align: center;
  font-family: var(--font-family-headings)
}

.faq-item {
  background-color: rgba(0,0,15,.5);
  border: 1px solid var(--color-border-primary);
  border-radius: 8px;
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
  box-shadow: 0 0 5px rgba(0,234,255,.05)
}

.faq-item.open {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 8px rgba(0,234,255,.2),inset 0 0 3px rgba(0,234,255,.1)
}

.faq-question {
  background: 0 0;
  border: none;
  color: var(--color-accent-cyan);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  width: 100%;
  font-size: 1.2rem;
  font-weight: 500;
  transition: color .2s ease,text-shadow .2s ease;
  font-family: var(--font-family-headings)
}

.faq-question:hover {
  color: var(--color-border-focus);
  text-shadow: 0 0 3px var(--color-accent-cyan)
}

.faq-question::after {
  content: '+';
  font-size: 1.8rem;
  transition: transform .3s ease;
  margin-left: 1em;
  color: var(--color-border-focus)
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
  color: var(--color-accent-purple)
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease-out;
  color: rgba(224,224,255,.8);
  padding: 0 var(--spacing-lg) 0 var(--spacing-lg)
}

.faq-item.open .faq-answer {
  padding: 0 var(--spacing-lg) var(--spacing-lg) var(--spacing-lg)
}

.faq-answer p {
  margin-bottom: 1em
}

.faq-answer p:last-child {
  margin-bottom: 0
}

.site-footer {
  border-top: 1px solid var(--color-border-primary);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xxl);
  color: rgba(224,224,255,.6);
  font-size: .9rem
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md)
}

.footer-links {
  display: flex;
  gap: var(--spacing-xxxl);
  flex-wrap: wrap;
  justify-content: center
}

.footer-links a {
  color: rgba(224,224,255,.8);
  transition: color .2s ease
}

.footer-links a:hover {
  color: var(--color-accent-cyan);
  text-decoration: underline
}

@media (max-width:768px) {
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md)
  }

  .footer-container {
    flex-direction: column;
    text-align: center
  }

  .hero h1 {
    font-size: clamp(2.8rem,9vw,4.5rem);
    letter-spacing: 1px
  }

  .hero h2 {
    font-size: clamp(1.2rem,4vw,1.6rem)
  }

  .button-group {
    gap: var(--spacing-sm)
  }

  .button {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1em;
    min-height: 40px
  }

  .about-content h2,.cta-section h2,.faq h2,.features h2 {
    font-size: clamp(1.6rem,6vw,2.5rem);
    margin-bottom: var(--spacing-lg)
  }

  .feature-item {
    padding: var(--spacing-md)
  }

  .feature-icon {
    font-size: 2rem;
    width: var(--spacing-lg);
    height: var(--spacing-lg);
    margin-bottom: var(--spacing-sm)
  }

  .feature-item h3 {
    font-size: 1.2rem
  }

  .faq-question {
    font-size: 1rem;
    padding: var(--spacing-sm) var(--spacing-md)
  }

  .faq-answer {
    padding: 0 var(--spacing-md) 0 var(--spacing-md)
  }

  .faq-item.open .faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md) var(--spacing-md)
  }
}

@media (max-width:480px) {
  .container {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm)
  }

  .hero h1 {
    font-size: clamp(2.2rem,10vw,3.5rem)
  }

  .hero h2 {
    font-size: clamp(1rem,4.5vw,1.4rem);
    margin-bottom: var(--spacing-md)
  }

  .button {
    padding: 10px 18px;
    font-size: .9em;
    min-height: 38px
  }

  .about-content h2,.cta-section h2,.faq h2,.features h2 {
    font-size: clamp(1.4rem,7vw,2rem);
    margin-bottom: var(--spacing-md)
  }

  .feature-item {
    padding: var(--spacing-sm)
  }

  .feature-icon {
    font-size: 1.8rem;
    width: 45px;
    height: 45px;
    margin-bottom: var(--spacing-sm)
  }

  .feature-item h3 {
    font-size: 1.1rem
  }

  .faq-question {
    font-size: .95rem;
    padding: var(--spacing-sm) var(--spacing-sm)
  }

  .faq-question::after {
    font-size: 1.5rem
  }

  .faq-answer {
    padding: 0 var(--spacing-sm) 0 var(--spacing-sm)
  }

  .faq-item.open .faq-answer {
    padding: 0 var(--spacing-sm) var(--spacing-sm) var(--spacing-sm)
  }

  .footer-links {
    gap: var(--spacing-md)
  }

  .site-footer {
    padding: var(--spacing-md) 0;
    margin-top: var(--spacing-xl)
  }

  .about-content {
    padding: var(--spacing-xl) 0
  }

  .about-content h2 {
    margin-bottom: var(--spacing-md)
  }

  .about-image-placeholder {
    margin: var(--spacing-md) 0
  }

  .about-content>p:last-child {
    margin-top: var(--spacing-lg)
  }
}