:root {
  --bg-0: #030712;
  --bg-1: #0b1220;
  --ink: #e8f0ff;
  --muted: #9fb2d6;
  --cyan: #22d3ee;
  --amber: #f59e0b;
  --venus-gold: #fbbf24;
  --venus-glow: #fef3c7;
  --line: #1f2c42;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes orbit {
  from { transform: rotate(0deg) translateX(100px) rotate(0deg); }
  to { transform: rotate(360deg) translateX(100px) rotate(-360deg); }
}

* {
  box-sizing: border-box;
}

#cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.08), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 9999;
  transition: opacity 0.3s ease;
  mix-blend-mode: screen;
}

@media (pointer: coarse) {
  #cursor-glow {
    display: none;
  }
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 80% -20%, rgba(251, 191, 36, 0.08) 0%, transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(34, 211, 238, 0.06) 0%, transparent 60%),
    radial-gradient(1400px 900px at 50% 40%, rgba(251, 191, 36, 0.03) 0%, transparent 70%),
    linear-gradient(180deg, var(--bg-1), var(--bg-0));
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  animation: pulse-glow 8s ease-in-out infinite;
  filter: blur(80px);
}

#starfield {
  position: fixed;
  inset: 0;
  z-index: -2;
}

#nebula {
  position: fixed;
  inset: 0;
  z-index: -2;
  opacity: 0.6;
}

.noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, 0.05) 0.6px, transparent 0.6px);
  background-size: 3px 3px;
  opacity: 0.3;
}

.topbar {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 2rem;
  backdrop-filter: blur(16px) saturate(180%);
  background: rgba(3, 7, 18, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  z-index: 10;
  animation: fade-in-up 0.6s ease-out;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
}

.brand:hover {
  transform: translateY(-2px);
  filter: drop-shadow(0 0 8px rgba(251, 191, 36, 0.4));
}

.brand-mark {
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 0.5rem;
  display: block;
  flex-shrink: 0;
  animation: float 6s ease-in-out infinite;
}

nav {
  display: flex;
  gap: 1rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--venus-gold));
  transition: width 0.3s ease;
}

nav a:hover {
  color: var(--ink);
}

nav a:hover::after {
  width: 100%;
}

main {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  padding: 8rem 0 4rem;
  animation: fade-in-up 0.8s ease-out 0.2s both;
}

.eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  background: linear-gradient(90deg, #8ac6f6, var(--venus-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 100%;
  animation: gradient-shift 4s ease infinite;
}

h1 {
  margin: 0.5rem 0 1rem;
  font-size: clamp(2.2rem, 7vw, 4.5rem);
  line-height: 1.05;
  text-shadow: 0 0 40px rgba(34, 211, 238, 0.3);
}

h1 span {
  color: var(--cyan);
}

h1 .gradient-text {
  background: linear-gradient(135deg, var(--cyan), var(--venus-gold), #93c5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradient-shift 6s ease infinite;
  text-shadow: none;
  filter: drop-shadow(0 0 20px rgba(34, 211, 238, 0.4));
}

.sub {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: #03101e;
  background: linear-gradient(135deg, var(--cyan), var(--venus-gold), #93c5fd);
  background-size: 200% 200%;
  border: 1px solid transparent;
  border-radius: 0.7rem;
  padding: 0.65rem 1rem;
  font-weight: 700;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--venus-gold), var(--cyan));
  opacity: 0;
  transition: opacity 0.4s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(34, 211, 238, 0.4);
  animation: gradient-shift 2s ease infinite;
}

.button:hover::before {
  opacity: 1;
}

.button > * {
  position: relative;
  z-index: 1;
}

.button.ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
}

.button.ghost::before {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.1), rgba(251, 191, 36, 0.1));
}

.button.ghost:hover {
  border-color: rgba(251, 191, 36, 0.4);
  box-shadow: 0 8px 25px rgba(251, 191, 36, 0.2);
}

.stack {
  padding: 2rem 0 1rem;
  animation: fade-in-up 0.8s ease-out 0.4s both;
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  background: linear-gradient(135deg, var(--ink), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 1rem 0 1.5rem;
}

.grid.three > * {
  animation: fade-in-up 0.6s ease-out both;
}

.grid.three > *:nth-child(1) { animation-delay: 0.5s; }
.grid.three > *:nth-child(2) { animation-delay: 0.6s; }
.grid.three > *:nth-child(3) { animation-delay: 0.7s; }

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.two > * {
  animation: fade-in-up 0.6s ease-out both;
}

.grid.two > *:nth-child(1) { animation-delay: 0.6s; }
.grid.two > *:nth-child(2) { animation-delay: 0.7s; }
.grid.two > *:nth-child(3) { animation-delay: 0.8s; }
.grid.two > *:nth-child(4) { animation-delay: 0.9s; }

.card {
  background: rgba(14, 22, 36, 0.72);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(12px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 1rem;
  padding: 1px;
  background: linear-gradient(135deg, transparent, rgba(251, 191, 36, 0.3), transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.4),
    0 0 40px rgba(251, 191, 36, 0.15);
  border-color: rgba(251, 191, 36, 0.3);
}

.card:hover::before {
  opacity: 1;
}

.card h3 {
  margin: 0 0 0.4rem;
  transition: color 0.3s ease;
}

.card:hover h3 {
  color: var(--venus-gold);
}

.card p {
  margin: 0;
  color: var(--muted);
}

.media-card img {
  width: 100%;
  border-radius: 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: block;
  margin-bottom: 0.8rem;
}

.media-card p {
  margin-top: 0.25rem;
}

pre {
  margin: 0.8rem 0 0;
  background: #020617;
  border: 1px solid #1e293b;
  border-radius: 0.7rem;
  padding: 0.8rem;
  overflow: auto;
  transition: all 0.3s ease;
}

pre:hover {
  border-color: rgba(34, 211, 238, 0.4);
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.1);
}

code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  color: #c9ddff;
}

.docs .links {
  margin-top: 1rem;
  display: flex;
  gap: 1rem;
}

.docs .links a {
  color: #8ac6f6;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  padding: 0.3rem 0.6rem;
  border-radius: 0.4rem;
}

.docs .links a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.1), rgba(251, 191, 36, 0.1));
  border-radius: 0.4rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.docs .links a:hover {
  color: var(--venus-gold);
  transform: translateX(4px);
}

.docs .links a:hover::before {
  opacity: 1;
}

.docs .links a > * {
  position: relative;
}

footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 3rem;
  padding: 1rem 2rem 2rem;
  text-align: center;
  color: #89a1c8;
  animation: fade-in-up 0.8s ease-out 0.6s both;
}

footer a {
  color: #9fd2ff;
  text-decoration: none;
}

footer a:hover {
  color: var(--venus-gold);
}

@media (max-width: 900px) {
  .grid.three,
  .grid.two {
    grid-template-columns: 1fr;
  }

  .topbar {
    padding: 0.8rem 1rem;
    flex-wrap: wrap;
  }

  nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    padding: 5rem 0 3rem;
  }

  h1 {
    font-size: clamp(1.8rem, 8vw, 3rem);
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .button {
    width: 100%;
  }

  body::before {
    width: 400px;
    height: 400px;
  }
}