:root {
  --bg-dark: #2a2139;
  --bg-deeper: #241b2f;
  --bg-card: #34294f;
  --bg-card-hover: #463465;
  --navy: #1B2A4A;
  --pink: #f92aad;
  --pink-glow: #f92aad80;
  --cyan: #36f9f6;
  --cyan-glow: #36f9f660;
  --yellow: #fede5d;
  --green: #72f1b8;
  --text: #f0e8ff;
  --text-muted: #a89cc8;
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg-dark);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* ---- NAV ---- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s, backdrop-filter 0.3s;
}

nav.scrolled {
  background: #2a2139DD;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #f92aad30;
}

nav .nav-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 2px;
}

nav .nav-brand span {
  color: var(--pink);
}

.nav-version {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--cyan);
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  margin-left: 0.5rem;
  vertical-align: middle;
  letter-spacing: 1px;
  box-shadow: 0 0 10px var(--cyan-glow);
  transition: all 0.2s;
}

.nav-version:hover {
  color: var(--pink);
  border-color: var(--pink);
  box-shadow: 0 0 10px var(--pink-glow);
}

.nav-version:empty {
  display: none;
}

nav .nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

nav .nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color 0.2s;
}

nav .nav-links a:hover {
  color: var(--pink);
}

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

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  width: 100%;
  max-width: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  overflow: hidden;
  background: linear-gradient(
    to bottom,
    #0d0221 0%,
    #270245 15%,
    #3b1578 30%,
    #6b1d5e 45%,
    #f92aad 58%,
    #fdb428 65%,
    #241b2f 65%,
    #2a2139 100%
  );
}

/* retro sun */
.hero-sun {
  position: absolute;
  top: 42%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(50vmin, 350px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: linear-gradient(to bottom, #fcc22f 0%, #f92aad 60%, #e92077 100%);
  filter: drop-shadow(0 0 40px #f92aad80) drop-shadow(0 0 80px #fdb42840);
  z-index: 0;
  overflow: hidden;
}

.hero-sun::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: inherit;
  mask: linear-gradient(to bottom,
    #000 48%, #0000 48.5%,
    #0000 51%, #000 51.5%,
    #000 54%, #0000 54.5%,
    #0000 57.5%, #000 58%,
    #000 61.5%, #0000 62%,
    #0000 65.5%, #000 66%,
    #000 70%, #0000 70.5%,
    #0000 74.5%, #000 75%,
    #000 80%, #0000 80.5%,
    #0000 86%, #000 86.5%,
    #000 93%, #0000 93.5%
  );
  -webkit-mask: linear-gradient(to bottom,
    #000 48%, #0000 48.5%,
    #0000 51%, #000 51.5%,
    #000 54%, #0000 54.5%,
    #0000 57.5%, #000 58%,
    #000 61.5%, #0000 62%,
    #0000 65.5%, #000 66%,
    #000 70%, #0000 70.5%,
    #0000 74.5%, #000 75%,
    #000 80%, #0000 80.5%,
    #0000 86%, #000 86.5%,
    #000 93%, #0000 93.5%
  );
}

/* mountains silhouette on the horizon */
.hero-mountains {
  position: absolute;
  top: 57%;
  left: 0;
  right: 0;
  height: 8%;
  background: #241b2f;
  clip-path: polygon(
    0% 60%, 3% 45%, 6% 55%, 10% 30%, 14% 50%,
    18% 20%, 22% 40%, 26% 10%, 30% 35%, 35% 55%,
    40% 65%, 45% 50%, 50% 40%, 55% 55%, 60% 45%,
    65% 60%, 70% 35%, 73% 15%, 77% 30%, 82% 20%,
    87% 40%, 92% 25%, 96% 45%, 100% 35%,
    100% 100%, 0% 100%
  );
  z-index: 0;
}

/* perspective grid floor */
.hero-grid {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 300%;
  height: 42%;
  --line-w: 2px;
  background:
    repeating-linear-gradient(90deg,
      #f92aad60 0px, #f92aad60 var(--line-w), transparent var(--line-w), transparent 80px),
    repeating-linear-gradient(0deg,
      #f92aad60 0px, #f92aad60 var(--line-w), transparent var(--line-w), transparent 80px);
  background-color: #241b2f;
  transform-origin: top center;
  transform: translateX(-50%) perspective(300px) rotateX(55deg);
  border-top: 2px solid #f92aad;
  filter: drop-shadow(0 0 3px #f92aad60);
  animation: grid-scroll 8s linear infinite;
  z-index: 0;
}

@keyframes grid-scroll {
  0% { background-position: 0 0, 0 0; }
  100% { background-position: 0 80px, 0 80px; }
}

/* stars */
.hero-stars {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 55%;
  z-index: 0;
  overflow: hidden;
}

.hero-stars::before,
.hero-stars::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: #f0c0e0;
}

.hero-stars::before {
  width: 2px;
  height: 2px;
  box-shadow:
    50px 30px 0 #f0c0e0, 150px 80px 0 #e0d0f0, 300px 50px 0 #f0c0e0,
    450px 120px 0 #e0d0f0, 600px 40px 0 #f0c0e0, 750px 90px 0 #e0d0f0,
    100px 150px 0 #f0c0e0, 250px 180px 0 #e0d0f0, 400px 160px 0 #f0c0e0,
    550px 200px 0 #e0d0f0, 700px 170px 0 #f0c0e0, 850px 60px 0 #e0d0f0,
    50px 250px 0 #f0c0e0, 200px 280px 0 #e0d0f0, 350px 240px 0 #f0c0e0,
    500px 300px 0 #e0d0f0, 650px 260px 0 #f0c0e0, 800px 290px 0 #e0d0f0,
    900px 150px 0 #f0c0e0, 1000px 100px 0 #e0d0f0, 1100px 200px 0 #f0c0e0,
    1200px 50px 0 #e0d0f0, 1300px 180px 0 #f0c0e0, 1400px 120px 0 #e0d0f0,
    120px 320px 0 #f0c0e0, 380px 350px 0 #e0d0f0, 680px 330px 0 #f0c0e0,
    920px 340px 0 #e0d0f0, 1050px 300px 0 #f0c0e0, 1250px 280px 0 #e0d0f0;
}

.hero-stars::after {
  width: 3px;
  height: 3px;
  box-shadow:
    80px 60px 1px #bb99ff, 320px 100px 1px #bb99ff, 560px 70px 1px #bb99ff,
    780px 130px 1px #bb99ff, 1020px 50px 1px #bb99ff, 180px 200px 1px #bb99ff,
    460px 230px 1px #bb99ff, 720px 190px 1px #bb99ff, 960px 250px 1px #bb99ff,
    1180px 160px 1px #bb99ff;
  filter: blur(0.5px);
}

.hero-logo {
  position: relative;
  z-index: 2;
  max-width: 600px;
  width: 90%;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 0 20px #f92aad60);
  animation: logo-float 6s ease-in-out infinite;
}

@keyframes logo-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-version {
  position: relative;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--cyan);
  background: #241b2fCC;
  border: 1px solid var(--cyan);
  padding: 0.3rem 1rem;
  border-radius: 20px;
  margin-bottom: 1rem;
  letter-spacing: 1px;
  box-shadow: 0 0 15px var(--cyan-glow);
  backdrop-filter: blur(8px);
}

.hero-version:empty {
  display: none;
}

.hero-tagline {
  position: relative;
  z-index: 2;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: #fede5d;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 1rem;
  text-shadow: 0 0 10px #fede5d60;
}

.hero-description {
  position: relative;
  z-index: 2;
  max-width: 640px;
  font-size: 1.1rem;
  color: #d0c0e8;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-description a {
  color: var(--cyan);
  text-shadow: 0 0 8px var(--cyan-glow);
}

.hero-install {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: #241b2fCC;
  border: 1px solid #f92aad40;
  border-radius: 8px;
  padding: 0.8rem 1.2rem;
  margin-bottom: 2rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  backdrop-filter: blur(8px);
}

.hero-install .prompt {
  color: var(--pink);
  user-select: none;
}

.hero-install code {
  color: var(--text);
}

.hero-install .copy-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.3rem;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
  font-size: 1rem;
}

.hero-install .copy-btn:hover {
  color: var(--cyan);
  background: #ffffff10;
}

.hero-install .copy-btn.copied {
  color: var(--green);
}

.hero-buttons {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--pink);
  color: #fff;
  box-shadow: 0 0 20px var(--pink-glow), 0 0 40px #f92aad30;
}

.btn-primary:hover {
  background: #ff4dc4;
  color: #fff;
  box-shadow: 0 0 30px var(--pink-glow), 0 0 60px #f92aad40;
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  box-shadow: 0 0 10px var(--cyan-glow);
}

.btn-secondary:hover {
  background: #36f9f615;
  color: var(--cyan);
  box-shadow: 0 0 20px var(--cyan-glow);
  transform: translateY(-2px);
}

/* ---- SECTIONS ---- */
section {
  padding: 5rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2rem;
  text-align: center;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.section-title span {
  color: var(--pink);
  text-shadow: 0 0 15px var(--pink-glow);
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 3rem;
}

/* ---- FEATURES ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid #ffffff0a;
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--pink);
  box-shadow: 0 0 25px #f92aad20;
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 0.75rem;
  letter-spacing: 1px;
  color: var(--yellow);
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.feature-card code {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* ---- INSTALL ---- */
.install-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.install-tab {
  padding: 0.6rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid #ffffff15;
  border-radius: 6px;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.install-tab:hover {
  border-color: var(--pink);
  color: var(--text);
}

.install-tab.active {
  background: var(--pink);
  border-color: var(--pink);
  color: #fff;
  box-shadow: 0 0 15px var(--pink-glow);
}

.install-panel {
  display: none;
  max-width: 600px;
  margin: 0 auto;
}

.install-panel.active {
  display: block;
}

.code-block {
  background: var(--bg-deeper);
  border: 1px solid #ffffff12;
  border-radius: 8px;
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  overflow-x: auto;
  position: relative;
  margin-bottom: 1rem;
}

.code-block .comment {
  color: #6c6783;
}

.code-block .command {
  color: var(--text);
}

.code-block .prompt {
  color: var(--pink);
  user-select: none;
}

.code-block .copy-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: #ffffff10;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
  font-size: 0.8rem;
  transition: all 0.2s;
}

.code-block .copy-btn:hover {
  background: #ffffff20;
  color: var(--text);
}

.code-block .copy-btn.copied {
  color: var(--green);
}

.install-note {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 1rem;
}

/* ---- COMMANDS ---- */
.commands-table-wrapper {
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid #ffffff0a;
}

.commands-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.commands-table th {
  background: var(--bg-deeper);
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 1rem 1.5rem;
  text-align: left;
  color: var(--pink);
}

.commands-table td {
  padding: 0.85rem 1.5rem;
  background: var(--bg-card);
  border-bottom: 1px solid #ffffff08;
  vertical-align: top;
}

.commands-table tr:last-child td {
  border-bottom: none;
}

.commands-table tr:hover td {
  background: var(--bg-card-hover);
}

.commands-table code {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 0.85rem;
}

/* ---- MCP ---- */
.mcp-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.mcp-text h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  letter-spacing: 1px;
  color: var(--yellow);
}

.mcp-text p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.mcp-tools-heading {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.mcp-tools {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.mcp-tool-badge {
  background: var(--bg-card);
  border: 1px solid #ffffff0a;
  border-radius: 6px;
  padding: 0.6rem 1rem;
  font-size: 0.8rem;
  text-align: center;
  transition: all 0.2s;
}

.mcp-tool-badge:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 15px var(--cyan-glow);
}

.mcp-tool-badge .tool-count {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--cyan);
  display: block;
  margin-bottom: 0.25rem;
  text-shadow: 0 0 10px var(--cyan-glow);
}

.mcp-tool-badge .tool-label {
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---- VIDEOS ---- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.video-card {
  background: var(--bg-card);
  border: 1px solid #ffffff0a;
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s;
  color: var(--text);
  text-decoration: none;
}

.video-card:hover {
  border-color: var(--pink);
  box-shadow: 0 0 25px #f92aad20;
  transform: translateY(-4px);
  color: var(--text);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.video-card:hover .video-thumb img {
  transform: scale(1.05);
}

.play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  background: #00000080;
  border: 2px solid #ffffff80;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  opacity: 0;
  transition: opacity 0.3s;
}

.video-card:hover .play-icon {
  opacity: 1;
}

.video-title {
  padding: 1rem;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.video-card:hover .video-title {
  color: var(--text);
}

@media (max-width: 768px) {
  .video-grid { grid-template-columns: 1fr; }
}

/* ---- FOOTER ---- */
footer {
  border-top: 1px solid #f92aad25;
  padding: 3rem 2rem;
  text-align: center;
}

.footer-content {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--pink);
}

.footer-meta {
  color: #6c6783;
  font-size: 0.8rem;
}

.footer-meta a {
  color: #6c6783;
}

.footer-meta a:hover {
  color: var(--pink);
}

/* ---- SCAN LINES OVERLAY ---- */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    #00000006 2px,
    #00000006 4px
  );
  pointer-events: none;
  z-index: 999;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  nav .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #2a2139F0;
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 1rem 2rem;
    gap: 1rem;
    border-bottom: 1px solid #f92aad25;
  }

  nav .nav-links.open {
    display: flex;
  }

  nav .nav-toggle {
    display: block;
  }

  .hero-tagline {
    font-size: 0.9rem;
    letter-spacing: 2px;
  }

  .hero-description {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .mcp-content {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .hero-install {
    font-size: 0.8rem;
  }

  .hero-sun {
    width: min(60vmin, 300px);
  }
}

@media (max-width: 480px) {
  .hero-logo {
    max-width: 90%;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
    padding: 0 1rem;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .install-tabs {
    flex-direction: column;
    align-items: center;
  }

  .mcp-tools {
    grid-template-columns: 1fr;
  }
}