:root {
  --bg: #0b1220;
  --panel: #0e1a2f;
  --text: #eaf2ff;
  --muted: #9fb4d1;
  --accent: #2bd9ff;
  --accent-2: #7aa7ff;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, rgba(43,217,255,0.12), transparent 60%), radial-gradient(900px 500px at 80% -20%, rgba(122,167,255,0.10), transparent 60%), var(--bg);
  color: var(--text);
}
/* Fixed page mode (no scroll) for app/aux pages */
.page-fixed { overflow: hidden; }
.page-fixed .section { min-height: calc(100vh - 60px); display: grid; place-items: center; overflow: hidden; }
.page-fixed .footer { display: none; }

.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 24px; }

.nav { position: sticky; top: 0; background: rgba(11,18,32,0.8); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(122,167,255,0.12); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.nav--home .nav__inner { height: 90px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: 0.4px; }
.brand__logo { height: 26px; display: block; }
.nav--home .brand__logo { height: 54px; }
.nav__links a { color: var(--text); text-decoration: none; margin-left: 18px; }
/* Mobile nav */
.nav__menuBtn { display: none; width: 40px; height: 40px; border-radius: 10px; border: 1px solid rgba(122,167,255,0.25); background: rgba(122,167,255,0.08); color: var(--text); display: inline-flex; align-items: center; justify-content: center; }
.nav__menuBtn svg { display: block; }
.nav__overlay { position: fixed; inset: 0; background: rgba(5,10,20,0.55); backdrop-filter: blur(2px); z-index: 998; display: none; }
.nav__overlay.active { display: block; }
.nav__drawer { position: fixed; top: 0; right: 0; width: 80vw; max-width: 360px; height: 100vh; background: var(--panel); border-left: 1px solid rgba(122,167,255,0.2); box-shadow: var(--shadow); z-index: 999; transform: translateX(100%); transition: transform 0.25s ease; display: flex; flex-direction: column; padding: 18px; gap: 10px; }
.nav__drawer.active { transform: translateX(0); }
.nav__drawer a { color: var(--text); text-decoration: none; padding: 12px; border-radius: 12px; border: 1px solid rgba(122,167,255,0.15); background: rgba(122,167,255,0.08); }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 16px; border-radius: var(--radius); border: 1px solid rgba(122,167,255,0.25); color: var(--text); text-decoration: none; }
.btn--primary { background: linear-gradient(120deg, var(--accent), var(--accent-2)); color: #051221; border: none; }
.btn--ghost { background: transparent; }
.btn--lg { padding: 14px 22px; font-weight: 600; }
.btn--small { padding: 8px 12px; }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Reduced UI Vibe Mode - Fixed to allow hover activation */
.reduced-ui .topbar, .ui-hidden .topbar { opacity: 0; transition: opacity 0.8s ease; z-index: 20; }
.reduced-ui .topbar:hover, .topbar.active { opacity: 1; }

.reduced-ui #scenesTray, .ui-hidden #scenesTray { opacity: 0; transition: opacity 0.8s ease; z-index: 20; }
.reduced-ui #scenesTray:hover, #scenesTray.active { opacity: 1; }

.reduced-ui .watermark, .ui-hidden .watermark { opacity: 0; transition: opacity 0.8s ease; }

/* Visual Feedback for Buttons */
.btn, .topbar__icon, .panel__close, [data-scene] {
  transition: transform 0.1s active, background-color 0.2s, border-color 0.2s;
}

.btn:active, .topbar__icon:active, .panel__close:active {
  transform: scale(0.92);
  filter: brightness(1.2);
}

.btn:hover, .topbar__icon:hover {
  border-color: var(--accent);
  background: rgba(122,167,255,0.1);
  box-shadow: 0 0 15px rgba(122,167,255,0.15);
}

.btn--active, .btn.active, [data-scene].active {
  background: var(--accent) !important;
  color: var(--bg) !important;
  border-color: var(--accent) !important;
  box-shadow: 0 0 20px rgba(43,217,255,0.5);
  font-weight: 600;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(122,167,255,0.25);
  margin-right: 8px;
  color: var(--text);
  background: rgba(122,167,255,0.12);
}
.badge.badge--webgl {
  background: rgba(43,217,255,0.18);
  border-color: rgba(43,217,255,0.45);
  color: var(--text);
}
.badge.badge--canvas {
  background: rgba(122,167,255,0.12);
  border-color: rgba(122,167,255,0.35);
  color: var(--text);
}

.btn--vibe { font-size: 0.9rem; padding: 12px 8px; flex-direction: column; gap: 4px; border-color: rgba(122,167,255,0.15); }
.btn--vibe.active { background: linear-gradient(135deg, var(--accent), var(--accent-2)) !important; color: #051221 !important; border: none !important; }

/* Pulse animation for loading states */
@keyframes pulse-border {
  0% { border-color: rgba(43,217,255,0.2); }
  50% { border-color: rgba(43,217,255,1); }
  100% { border-color: rgba(43,217,255,0.2); }
}

.btn--loading {
  animation: pulse-border 1s infinite;
  pointer-events: none;
  opacity: 0.8;
}

/* App toolbar controls */
.canvas-wrap .btn, .topbar .btn { 
  background: var(--panel); 
  color: var(--text); 
  border: 1px solid rgba(122,167,255,0.25); 
}
.canvas-wrap .btn:hover, .topbar .btn:hover { 
  border-color: rgba(122,167,255,0.4);
}
.canvas-wrap .btn[disabled], .topbar .btn[disabled] { 
  opacity: 0.6; 
}


label { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); }
select { background: var(--panel); color: var(--text); border: 1px solid rgba(122,167,255,0.25); border-radius: 12px; padding: 8px 12px; appearance: none; }
select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
input[type="range"] { width: 160px; accent-color: var(--accent); }
input[type="range"]::-webkit-slider-runnable-track { height: 6px; background: rgba(122,167,255,0.2); border-radius: 10px; }
input[type="range"]::-webkit-slider-thumb { margin-top: -6px; width: 16px; height: 16px; border-radius: 50%; background: linear-gradient(120deg, var(--accent), var(--accent-2)); border: none; }
input[type="range"]::-moz-range-track { height: 6px; background: rgba(122,167,255,0.2); border-radius: 10px; }
input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: linear-gradient(120deg, var(--accent), var(--accent-2)); border: none; }
.btn[disabled], button[disabled] { opacity: 0.5; cursor: not-allowed; }

.overlay { position: absolute; inset: 0; background: rgba(5,10,20,0.5); backdrop-filter: blur(2px); z-index: 5; }

.hero { position: relative; padding: 80px 0; }
.hero__bg { position: absolute; inset: 0; background: radial-gradient(600px 400px at 50% 20%, rgba(43,217,255,0.18), transparent 60%); pointer-events: none; }
.hero__content { position: relative; }
.hero h1 { font-size: 44px; margin: 0 0 10px; }
.hero .sub { font-size: 18px; color: var(--muted); margin-bottom: 12px; }
.bullets { display: flex; gap: 12px; padding: 0; list-style: none; color: var(--muted); }
.cta { margin-top: 16px; display: flex; gap: 12px; }
.cta--stack { flex-direction: column; align-items: center; text-align: center; max-width: 640px; margin-left: auto; margin-right: auto; }
.cta__note { color: var(--muted); font-size: 0.95rem; }
.cta--stack .cta__note + .cta__note { margin-top: 6px; }
.trust { margin-top: 16px; color: var(--muted); font-size: 14px; }

.section { padding: 50px 0; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.step { display: flex; align-items: center; gap: 10px; padding: 12px; background: var(--panel); border-radius: var(--radius); box-shadow: var(--shadow); }
.step__num { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 10px; background: rgba(122,167,255,0.25); color: var(--text); font-weight: 600; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { padding: 18px; background: var(--panel); border-radius: var(--radius); box-shadow: var(--shadow); min-height: 100px; display: flex; align-items: center; justify-content: center; color: var(--muted); }
.card { transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease; will-change: transform; }
.card:hover { transform: scale(1.02); box-shadow: 0 0 20px rgba(122,167,255,0.25); border-color: rgba(122,167,255,0.35); }

.pricing { display: flex; justify-content: center; }
.pricing__card { width: 360px; padding: 24px; background: var(--panel); border-radius: var(--radius); box-shadow: var(--shadow); }
.price { font-size: 40px; margin-bottom: 12px; }
.price span { font-size: 18px; color: var(--muted); }
.features { list-style: none; padding: 0; margin: 18px 0; color: var(--muted); }
.features li { margin-bottom: 8px; }

details { background: var(--panel); padding: 16px; border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 12px; }
details summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); }

.footer { border-top: 1px solid rgba(122,167,255,0.12); padding: 24px 0; }
.footer__inner { display: flex; justify-content: space-between; align-items: center; }
.footer__links a { color: var(--muted); text-decoration: none; margin-left: 12px; }

/* Controls panel responsiveness and scrollbar styling */
.panel__content { overflow-y: auto; overflow-x: hidden; }
.panel__content > * { min-width: 0; }
.panel .control-row { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.grid-center { align-items: center; }
@media (max-width: 500px) {
  .grid-2 { grid-template-columns: 1fr; }
}
/* WebKit scrollbar */
.panel__content::-webkit-scrollbar { width: 10px; }
.panel__content::-webkit-scrollbar-track { background: rgba(122,167,255,0.08); border-radius: 10px; }
.panel__content::-webkit-scrollbar-thumb { background: linear-gradient(120deg, var(--accent), var(--accent-2)); border-radius: 10px; border: 2px solid rgba(11,18,32,0.9); }
.panel__content::-webkit-scrollbar-thumb:hover { filter: brightness(1.1); }
/* Firefox scrollbar */
.panel__content { scrollbar-width: thin; scrollbar-color: var(--accent) rgba(122,167,255,0.08); }

@media (max-width: 800px) {
  .steps, .cards { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .nav__links { display: none; }
  .nav__menuBtn { display: inline-flex; }
}

@media (max-width: 700px) {
  .topbar { padding: 8px 12px; }
  .topbar__icon { width: 36px; height: 36px; }
  .meter { width: 100px; }
  .panel { width: 90vw; }
  #scenesTray { display: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  .hero__bg { background: none; }
  * { scroll-behavior: auto !important; }
}