/* ============================
   OPEN SOURCE TECH — STYLE.CSS
   Light Theme, Glassmorphism, 3D Spatial UI
   ============================ */

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

:root {
  --bg: #F0F2F5;
  --surface: rgba(255,255,255,0.55);
  --surface-strong: rgba(255,255,255,0.75);
  --border: rgba(210,215,225,0.7);
  --border-strong: rgba(190,198,215,0.9);
  --text-primary: #1a1c22;
  --text-secondary: #5a5e6e;
  --text-muted: #8a8f9e;
  --accent-gold: #C9A96E;
  --accent-silver: #A8B4C8;
  --accent-pearl: linear-gradient(135deg, #C9A96E 0%, #e8d5b0 50%, #A8B4C8 100%);
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-ui: 'Outfit', system-ui, sans-serif;
  --radius: 20px;
  --radius-sm: 10px;
  --blur: blur(24px) saturate(180%);
  --shadow: 0 8px 40px rgba(0,0,0,0.08), 0 2px 12px rgba(0,0,0,0.04);
  --shadow-strong: 0 20px 80px rgba(0,0,0,0.12), 0 4px 20px rgba(0,0,0,0.06);
  --transition: 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  cursor: none;
}

/* ── Custom Cursor ── */
body::before {
  content: '';
  position: fixed;
  width: 12px; height: 12px;
  background: var(--accent-gold);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s ease, width 0.3s ease, height 0.3s ease, opacity 0.3s ease;
  left: var(--cx, 50%);
  top: var(--cy, 50%);
  mix-blend-mode: multiply;
}
body.cursor-hover::before {
  width: 24px;
  height: 24px;
  opacity: 0.6;
}

/* ── Canvas ── */
#c {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* ── Loader ── */
#loader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: #F0F2F5;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 28px;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}
#loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.loader-sphere {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, #C9A96E, #e8d5b0, #A8B4C8, #C9A96E);
  animation: spin 1.8s linear infinite;
  box-shadow: 0 0 40px rgba(201,169,110,0.3);
}
@keyframes spin { to { transform: rotate(360deg); } }
.loader-text {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.25em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.loader-logo {
  width: 120px;
  height: 120px;
  max-width: 120px;
  max-height: 120px;
  border-radius: 20px;
  object-fit: cover;
  background: #0d0d0d;
  box-shadow: 0 8px 40px rgba(0,0,0,0.18);
  margin-bottom: 4px;
  flex-shrink: 0;
}

/* ── Navigation ── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 0 40px;
  height: 68px;
  background: rgba(240,242,245,0.6);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--border);
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity var(--transition), transform var(--transition);
}
#nav.visible {
  opacity: 1;
  transform: translateY(0);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo-chip {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #0d0d0d;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
  transition: box-shadow 0.3s ease;
}
.nav-logo:hover .nav-logo-chip {
  box-shadow: 0 4px 16px rgba(0,0,0,0.28);
}
.nav-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.logo-full {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
  letter-spacing: 0.03em;
}
.mobile-logo-text { display: none; }
.nav-links {
  display: flex;
  list-style: none;
  gap: 36px;
  margin-left: auto;
}
.nav-link {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  text-decoration: none;
  position: relative;
  transition: color 0.3s ease;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--accent-gold);
  transition: width 0.3s ease;
}
.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { width: 100%; }
.nav-cta {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  text-decoration: none;
  padding: 9px 22px;
  border-radius: 50px;
  border: 1.5px solid var(--border-strong);
  background: var(--surface-strong);
  backdrop-filter: var(--blur);
  transition: all 0.3s ease;
  flex-shrink: 0;
}
.nav-cta:hover {
  background: rgba(201,169,110,0.12);
  border-color: var(--accent-gold);
}

/* ── Hero HUD ── */
#hero-hud {
  position: fixed;
  left: 60px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  max-width: 560px;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
}
#hero-hud.visible {
  opacity: 1;
  /* Let clicks pass through to the 3D canvas */
  pointer-events: none;
}
#hero-hud.visible .hero-actions a,
#hero-hud.visible .hero-actions button,
#hero-hud.visible .scroll-hint {
  pointer-events: auto;
}
#hero-hud.fade-out {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-52%) translateX(-30px);
}
.hero-eyebrow {
  font-family: var(--font-ui);
  font-weight: 300;
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-eyebrow::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--accent-gold);
  display: inline-block;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(64px, 7vw, 100px);
  font-weight: 300;
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 28px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.06);
}
.hero-title em {
  font-style: italic;
  background: var(--accent-pearl);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 420px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}
.btn-primary {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: #fff;
  text-decoration: none;
  padding: 14px 32px;
  border-radius: 50px;
  background: linear-gradient(135deg, #b8934c 0%, #d4aa70 50%, #C9A96E 100%);
  box-shadow: 0 8px 32px rgba(185,147,76,0.35), 0 2px 8px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(185,147,76,0.45), 0 4px 12px rgba(0,0,0,0.12);
}
.btn-primary:hover::before { opacity: 1; }
.btn-ghost {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  padding: 14px 28px;
  border-radius: 50px;
  border: 1.5px solid var(--border-strong);
  background: var(--surface);
  backdrop-filter: var(--blur);
  cursor: pointer;
  transition: all 0.3s ease;
}
.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--accent-silver);
  background: var(--surface-strong);
}


/* ── Info Panels ── */
.info-panel {
  position: fixed;
  z-index: 50;
  pointer-events: none;
  opacity: 0;
  transform: translateY(20px) scale(0.97);
  transition: opacity 0.6s cubic-bezier(0.23,1,0.32,1), transform 0.6s cubic-bezier(0.23,1,0.32,1);
  /* panels positioned by JS */
  top: 50%;
  right: 60px;
  transform: translateY(-50%) translateX(30px) scale(0.97);
  max-width: 480px;
  width: 90vw;
}
.info-panel.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-50%) translateX(0) scale(1);
}
.panel-glass {
  background: rgba(255,255,255,0.62);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 40px 44px;
  box-shadow: var(--shadow-strong), inset 0 1px 0 rgba(255,255,255,0.8);
  position: relative;
  overflow: hidden;
}
.panel-glass::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(250,248,244,0.6) 0%, rgba(240,242,245,0.1) 100%);
  pointer-events: none;
}
.panel-glass::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,169,110,0.5), transparent);
}
.panel-tag {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 16px;
}
.panel-title {
  font-family: var(--font-serif);
  font-size: clamp(30px, 3.5vw, 44px);
  font-weight: 300;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.panel-body {
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.panel-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.pill {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  padding: 6px 16px;
  border-radius: 50px;
  border: 1px solid var(--border-strong);
  background: rgba(255,255,255,0.7);
}

/* Activities List */
.panel-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.panel-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.list-icon {
  font-size: 16px;
  color: var(--accent-gold);
  margin-top: 1px;
  flex-shrink: 0;
}
.panel-list li strong {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  display: block;
  margin-bottom: 2px;
}
.panel-list li p {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.55;
  color: var(--text-secondary);
}

/* Resources grid */
.resource-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.r-card {
  padding: 20px 18px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.5);
  border: 1px solid var(--border);
  transition: background 0.3s ease;
}
.r-card:hover {
  background: rgba(255,255,255,0.85);
}
.r-icon {
  font-size: 18px;
  color: var(--accent-silver);
  margin-bottom: 8px;
}
.r-card strong {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  display: block;
  margin-bottom: 4px;
}
.r-card p {
  font-size: 12px;
  font-weight: 300;
  line-height: 1.55;
  color: var(--text-muted);
}

/* Connect links */
.connect-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}
.connect-btn {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.03em;
  text-decoration: none;
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: rgba(255,255,255,0.55);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
}
.connect-btn:hover {
  background: rgba(255,255,255,0.9);
  transform: translateX(4px);
}
.connect-btn.whatsapp::before { content: '●'; color: #25D366; }
.connect-btn.discord::before  { content: '●'; color: #5865F2; }
.connect-btn.telegram::before { content: '●'; color: #229ED9; }
.connect-btn.email::before    { content: '●'; color: var(--accent-silver); }

/* ── Node Labels ── */
#node-labels {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 20;
}
.node-label {
  position: absolute;
  transform: translate(-50%, -50%);
  pointer-events: auto;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: opacity 0.5s ease, transform 0.2s ease;
  z-index: 30;
}
.node-label:hover {
  transform: translate(-50%, -50%) scale(1.08);
}
.node-label:hover .node-label-text {
  background: rgba(255,255,255,0.88);
  border-color: var(--accent-gold);
  color: var(--text-primary);
}
.node-label-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-gold);
  box-shadow: 0 0 20px rgba(201,169,110,0.6);
  animation: float-dot 3s ease-in-out infinite;
}
.node-label-text {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-secondary);
  white-space: nowrap;
  padding: 5px 12px;
  background: rgba(255,255,255,0.65);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 50px;
}
@keyframes float-dot {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* ── Back button (shown when panel is open) ── */
#back-btn {
  position: fixed;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: 100;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 11px 28px;
  border-radius: 50px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.6);
  backdrop-filter: var(--blur);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
}
#back-btn.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
#back-btn:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.9);
}


/* ── Nav active state (stays gold while panel is open) ── */
.nav-link.active { color: var(--text-primary); }
.nav-link.active::after { width: 100%; }

/* ── Hamburger button (hidden on desktop) ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 1.5px solid var(--border-strong);
  border-radius: 8px;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: border-color 0.3s ease;
}
.nav-hamburger:hover { border-color: var(--accent-gold); }
.nav-hamburger span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.nav-hamburger.open span { background: var(--accent-gold); }

/* ── Mobile dropdown menu (hidden on desktop) ── */
#mobile-menu {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  z-index: 99;
  background: rgba(240, 242, 245, 0.94);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px 24px;
  flex-direction: column;
  gap: 4px;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}
#mobile-menu.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-menu-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
}
.mobile-nav-link {
  display: block;
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 13px 4px;
  border-bottom: 1px solid var(--border);
  transition: color 0.25s ease;
}
.mobile-nav-link:hover, .mobile-nav-link.active { color: var(--accent-gold); }
.mobile-menu-cta { display: block; text-align: center; margin-top: 4px; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  #mobile-menu { display: flex; }

  /* Keep viewport locked — no empty scroll space */
  html, body {
    overflow: hidden;
    cursor: auto;
  }
  /* Hide custom cursor on mobile — touch devices don't need it */
  body::before { display: none; }

  /* 3D canvas becomes a fixed decorative background layer */
  #c {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.25;
    transition: opacity 0.3s ease;
  }
  #c.canvas-focused {
    opacity: 1;
  }

  /* Main content sits above the canvas */
  #hero-hud {
    position: fixed;
    z-index: 20;
    left: 24px;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    max-width: none;
    pointer-events: none;
  }
  #hero-hud.visible {
    pointer-events: none;
  }
  #hero-hud.visible:not(.hero-transparent) .hero-actions a,
  #hero-hud.visible:not(.hero-transparent) .hero-actions button {
    pointer-events: auto;
  }
  #hero-hud.hero-transparent .hero-actions a,
  #hero-hud.hero-transparent .hero-actions button {
    pointer-events: none !important;
  }
  #hero-hud.fade-out {
    opacity: 0;
    transform: translateY(-52%);
  }

  .hero-title {
    font-size: clamp(36px, 10vw, 48px);
  }
  .hero-sub {
    max-width: 85%;
    padding-right: 0;
    font-size: 14px;
  }

  .info-panel {
    position: fixed;
    z-index: 50;
    left: 16px;
    right: 16px;
    top: auto;
    bottom: 80px;
    max-width: none;
    transform: translateY(20px) scale(0.97);
    
    overflow-y: auto;
    max-height: calc(100vh - 200px);
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
    
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .info-panel::-webkit-scrollbar {
    display: none;
  }
  .info-panel.visible {
    transform: translateY(0) scale(1);
  }
  .panel-glass {
    padding: 28px 24px 100px 24px;
  }
  .r-card { margin-bottom: 12px; }
  .panel-list li { margin-bottom: 12px; }
  .resource-grid { grid-template-columns: 1fr; }
  
  #back-btn.visible {
    bottom: 16px;
    transform: translateX(-50%);
  }

  #nav { padding: 0 20px; gap: 16px; }
  .logo-full { display: none; }
  
  .mobile-logo-text {
    display: inline;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
  }

  .hero-transparent {
    opacity: 0 !important;
    pointer-events: none !important;
    transition: opacity 0.3s ease;
  }

  /* Hide node labels on mobile by default, show when canvas is focused */
  #node-labels {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }
  #c.canvas-focused ~ #node-labels {
    opacity: 1;
  }
  .node-label {
    pointer-events: auto;
  }
}