:root {
  --bg-primary: #1a1515;
  --bg-secondary: #262121;
  --text-primary: #f8fafc;
  --text-secondary: #a8a29e;
  --accent-primary: #38bdf8;
  --accent-hover: #0ea5e9;
  --border-color: #452726;
  --max-width: 1100px;
  --border-radius: 12px;
  --transition: all 0.3s ease;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent-hover);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.logo img {
  transition: transform 0.6s ease;
  display: block;
}

.logo:hover img {
  transform: scaleX(-1);
}

/* Header & Nav */
header {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(26, 21, 21, 0.8);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
}

#HeaderContainer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

#HeaderNav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  flex: 1;
}

#HeaderNav h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

#HeaderNav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

#HeaderNav ul li a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

#HeaderNav ul li a:hover {
  color: var(--accent-primary);
}

.logo-container {
  flex-shrink: 0;
}

/* Hero Section */
.hero {
  padding: 6rem 0 4rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.cta-group {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.8rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

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

.btn-primary:hover {
  background-color: var(--accent-hover);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(56, 189, 248, 0.3);
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

/* Stats Section */
#Status {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 2rem 0 4rem;
}

#Status img {
  height: 20px;
}

/* Content Sections */
.section {
  padding: 4rem 0;
}

.sub-heading {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  text-align: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
  color: var(--accent-primary);
}

.card-icon svg {
  width: 100%;
  height: 100%;
}

.card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-5px);
}

/* Video Section */
#VideoContainer {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  aspect-ratio: 16 / 9;
}

#VideoContainer iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Ecosystem Grid */
#SupportLangSvg {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 2.5rem;
  justify-items: center;
  padding: 2rem 0;
}

#SupportLangSvg img {
  width: 64px;
  height: 64px;
  transition: var(--transition);
  opacity: 1;
}

#SupportLangSvg a:hover img {
  opacity: 1;
  transform: scale(1.1);
}

.svg-deno {
  filter: brightness(0) invert(1);
  transform: scale(-1, 1);
}

.svg-rust {
  filter: brightness(0) saturate(100%) invert(39%) sepia(85%) saturate(1514%) hue-rotate(346deg) brightness(83%) contrast(92%);
}

/* Footer */
footer {
  padding: 4rem 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-secondary);
}

.buy-coffee {
  margin-top: 2rem;
}

/* Responsiveness */
@media (max-width: 768px) {
  #HeaderContainer {
    flex-direction: column;
    gap: 1rem;
  }
  
  #HeaderNav {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  #HeaderNav ul {
    gap: 1rem;
  }
}