/* === RESET === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{height:100%;overflow-x:hidden}
body{background:var(--bg);color:var(--text);font-family:var(--font-body);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;touch-action:manipulation}
button:active{transform:scale(.96)}
ul{list-style:none}
a{color:inherit;text-decoration:none}
input{font:inherit}

/* === TOKENS === */
:root{
  --bg:#08060f;--bg-s:#0f0b1e;--bg-e:#171129;
  --border:rgba(255,255,255,0.08);--border-s:rgba(255,255,255,0.16);
  --text:#f1eaff;--text-2:#a79ec2;--text-3:#675c81;
  --cyan:#00f6ff;--mag:#ff2ee6;--pur:#7b2fff;--amber:#ffb020;--ok:#3dffb0;
  --font-display:'Syne','Segoe UI',system-ui,sans-serif;
  --font-body:'DM Sans','Segoe UI',system-ui,sans-serif;
  --font-mono:'JetBrains Mono','Courier New',monospace;
  --r-sm:4px;--r-md:10px;--r-lg:18px;
  --t:280ms cubic-bezier(.2,.8,.2,1);--tf:140ms ease;
  --maxw:1240px;--px:clamp(1.25rem,5vw,3rem);
  --navbar:68px;
}

/* === TYPOGRAPHY === */
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.1;letter-spacing:-.01em}
.grad-text{background:linear-gradient(90deg,var(--cyan),var(--mag) 70%,var(--pur));-webkit-background-clip:text;background-clip:text;color:transparent}
code{font-family:var(--font-mono);background:rgba(0,246,255,.08);color:var(--cyan);padding:.1em .4em;border-radius:4px;font-size:.9em}

/* === BG FX === */
.bg-fx{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;
  background:radial-gradient(ellipse at 50% -10%,#1a0f38 0%,var(--bg) 55%)}
.grid-horizon{position:absolute;left:-50%;right:-50%;bottom:-10%;height:60%;
  background-image:linear-gradient(rgba(0,246,255,.35) 1px,transparent 1px),
  linear-gradient(90deg,rgba(0,246,255,.35) 1px,transparent 1px);
  background-size:60px 60px;transform:perspective(300px) rotateX(60deg);transform-origin:bottom;
  mask-image:linear-gradient(to top,black,transparent 85%);-webkit-mask-image:linear-gradient(to top,black,transparent 85%);
  opacity:.5;animation:gridMove 6s linear infinite}
@keyframes gridMove{from{background-position:0 0,0 0}to{background-position:0 60px,0 0}}
.scanlines{position:absolute;inset:0;background:repeating-linear-gradient(to bottom,rgba(255,255,255,.02) 0px,rgba(255,255,255,.02) 1px,transparent 2px,transparent 3px);opacity:.5}
.glow{position:absolute;width:45vw;height:45vw;border-radius:50%;filter:blur(90px);opacity:.22}
.glow-cyan{top:-10%;right:-10%;background:var(--cyan)}
.glow-magenta{bottom:-10%;left:-10%;background:var(--mag)}
.sun{position:absolute;top:8%;left:50%;transform:translateX(-50%);
  width:min(60vw,520px);height:min(60vw,520px);border-radius:50%;
  background:linear-gradient(180deg,var(--amber),var(--mag) 55%,var(--pur));opacity:.16;filter:blur(2px)}

/* === SKIP === */
.skip-link{position:absolute;left:-999px;top:0;background:var(--cyan);color:#000;padding:.75rem 1rem;z-index:999}
.skip-link:focus{left:1rem;top:1rem}

/* === NAVBAR === */
.navbar{position:fixed;top:0;left:0;right:0;z-index:200;
  background:rgba(8,6,15,.75);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border)}
.navbar-inner{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--px);
  height:var(--navbar);display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:flex;align-items:center;gap:.5rem;background:none;border:none;color:var(--text);
  font-family:var(--font-display);font-weight:800;font-size:1.15rem}
.brand-mark{color:var(--cyan);text-shadow:0 0 12px var(--cyan)}
.brand-accent{color:var(--mag)}
.nav-links{display:none;gap:.25rem}
.nav-link{background:none;border:none;color:var(--text-2);font-size:.9rem;padding:.5rem .9rem;border-radius:var(--r-sm);transition:color var(--tf),background var(--tf);position:relative}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.is-current{color:var(--cyan)}
.nav-link.is-current::after{content:'';position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.cta-nav{display:none;background:linear-gradient(90deg,var(--cyan),var(--pur));border:none;
  color:#05030b;font-weight:700;padding:.55rem 1.15rem;border-radius:999px;font-size:.85rem;
  box-shadow:0 0 20px rgba(0,246,255,.25);transition:transform var(--tf)}
.cta-nav:hover{transform:translateY(-1px)}
.burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;
  background:none;border:1px solid var(--border-s);border-radius:var(--r-sm);align-items:center}
.burger span{width:18px;height:2px;background:var(--text);transition:var(--tf)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{display:flex;flex-direction:column;background:rgba(8,6,15,.97);border-top:1px solid var(--border);
  overflow:hidden;max-height:0;transition:max-height var(--t)}
.mobile-nav.is-open{max-height:400px}
.mobile-nav-link{background:none;border:none;color:var(--text-2);text-align:left;font-size:1rem;
  padding:1rem var(--px);border-bottom:1px solid var(--border);font-family:var(--font-mono)}
.mobile-nav-link.is-current{color:var(--cyan)}
@media(min-width:900px){.nav-links{display:flex}.cta-nav{display:inline-flex;align-items:center}.burger{display:none}}

/* === SCREENS === */
main{position:relative;z-index:10}
.screen{display:none;min-height:100svh;padding-top:var(--navbar)}
.screen.is-active{display:block;animation:screenIn 450ms cubic-bezier(.2,.8,.2,1)}
@keyframes screenIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.container{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--px);position:relative;z-index:10}

/* === EYEBROW / TITLES === */
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-mono);font-size:.78rem;
  letter-spacing:.12em;color:var(--cyan);text-transform:uppercase;margin-top:clamp(2rem,6vw,3.5rem)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.section-title{font-size:clamp(2rem,5vw,3.2rem);margin-top:.6rem}
.section-lead{color:var(--text-2);font-size:clamp(1rem,1.6vw,1.15rem);max-width:62ch;margin-top:1rem}

/* === HOME / HERO === */
.hero{padding-top:clamp(1rem,4vw,2rem);padding-bottom:clamp(3rem,8vw,5rem)}
.hero-title{font-size:clamp(2.2rem,6.5vw,4.4rem);margin-top:1rem;max-width:16ch}
.hero-sub{margin-top:1.25rem;color:var(--text-2);max-width:56ch;font-size:clamp(1rem,1.4vw,1.15rem)}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.5rem;border-radius:999px;font-weight:700;font-size:.95rem;border:1px solid transparent;transition:all var(--tf)}
.btn-primary{background:linear-gradient(90deg,var(--cyan),var(--pur));color:#05030b;box-shadow:0 0 24px rgba(0,246,255,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 30px rgba(0,246,255,.4)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--border-s);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.hero-stats{display:flex;gap:clamp(1.5rem,5vw,3rem);margin-top:3rem;flex-wrap:wrap}
.stat{display:flex;flex-direction:column}
.stat-num{font-family:var(--font-display);font-size:1.8rem;color:var(--cyan);text-shadow:0 0 14px rgba(0,246,255,.4)}
.stat-label{font-size:.78rem;color:var(--text-3);text-transform:uppercase;letter-spacing:.06em}
.hero-visual{position:relative;height:clamp(220px,40vw,380px);margin-top:clamp(2rem,6vw,4rem);
  display:flex;align-items:center;justify-content:center;perspective:900px}
.wire-cube{position:relative;width:160px;height:160px;transform-style:preserve-3d;animation:spinCube 14s linear infinite}
.wire-cube .face{position:absolute;width:160px;height:160px;border:1.5px solid var(--cyan);background:rgba(0,246,255,.04);box-shadow:0 0 20px rgba(0,246,255,.15) inset}
.face.front{transform:translateZ(80px)}.face.back{transform:translateZ(-80px) rotateY(180deg);border-color:var(--mag);background:rgba(255,46,230,.04)}
.face.left{transform:rotateY(-90deg) translateZ(80px)}.face.right{transform:rotateY(90deg) translateZ(80px)}
.face.top{transform:rotateX(90deg) translateZ(80px);border-color:var(--pur)}.face.bottom{transform:rotateX(-90deg) translateZ(80px)}
@keyframes spinCube{from{transform:rotateX(-18deg) rotateY(0)}to{transform:rotateX(-18deg) rotateY(360deg)}}
.hud-tag{position:absolute;font-family:var(--font-mono);font-size:.7rem;background:rgba(15,11,30,.85);
  border:1px solid var(--border-s);padding:.35rem .6rem;border-radius:var(--r-sm);color:var(--text-2);backdrop-filter:blur(6px)}
.hud-tag .ok{color:var(--ok)}
.hud-tag-1{top:10%;left:6%}.hud-tag-2{bottom:18%;right:8%}.hud-tag-3{top:14%;right:4%}
.scroll-cue{text-align:center;margin-top:2rem;font-family:var(--font-mono);font-size:.75rem;color:var(--text-3);letter-spacing:.1em}

/* === DIGITAL TWIN === */
.twin-grid{display:grid;gap:2.5rem;margin-top:3rem;grid-template-columns:1fr;padding-bottom:clamp(3rem,8vw,5rem)}
.twin-explain{display:flex;flex-direction:column;gap:.5rem}
.explain-row{display:flex;gap:1rem;align-items:flex-start}
.explain-icon{font-size:1.4rem;color:var(--cyan);flex-shrink:0;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border-s);border-radius:var(--r-md);background:rgba(0,246,255,.05)}
.explain-row h3{font-size:1.05rem;margin-bottom:.2rem}
.explain-row p{color:var(--text-2);font-size:.92rem}
.explain-plus,.explain-eq{font-family:var(--font-mono);color:var(--text-3);padding-left:20px;font-size:1.1rem}
.explain-result .explain-icon{color:var(--mag);background:rgba(255,46,230,.06);border-color:var(--mag)}
.twin-card-demo{display:flex;justify-content:center;align-items:flex-start}
.demo-card{width:100%;max-width:340px;background:var(--bg-s);border:1px solid var(--border-s);border-radius:var(--r-lg);padding:1.25rem;box-shadow:0 0 30px rgba(123,47,255,.12)}
.demo-card-head{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.05em;color:var(--text-3);padding-bottom:.75rem;margin-bottom:.75rem;border-bottom:1px dashed var(--border-s);display:flex;align-items:center;gap:.5rem}
.demo-dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok)}
.demo-line{display:flex;justify-content:space-between;font-size:.88rem;padding:.4rem 0;color:var(--text-2)}
.demo-line b{color:var(--text);font-family:var(--font-mono);font-weight:500}
.demo-line b.ok{color:var(--ok)}
.demo-bar{height:4px;background:var(--bg-e);border-radius:2px;margin-top:.75rem;overflow:hidden}
.demo-bar-fill{height:100%;width:42%;background:linear-gradient(90deg,var(--cyan),var(--mag));transition:width 900ms ease}
.demo-caption{display:block;margin-top:.6rem;font-size:.7rem;color:var(--text-3);font-family:var(--font-mono)}
.usecases{display:grid;grid-template-columns:1fr;gap:1rem;margin-top:3rem;margin-bottom:clamp(3rem,8vw,5rem)}
.usecase-card{background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:var(--r-md);padding:1.25rem;transition:border-color var(--tf),transform var(--tf)}
.usecase-card:hover{border-color:var(--cyan);transform:translateY(-2px)}
.usecase-card h4{color:var(--cyan);font-size:1rem;margin-bottom:.4rem}
.usecase-card p{color:var(--text-2);font-size:.88rem}
@media(min-width:720px){.twin-grid{grid-template-columns:1.1fr .9fr;align-items:center}.usecases{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.usecases{grid-template-columns:repeat(4,1fr)}}

/* === STUDIO EDITOR LAYOUT === */
.studio-layout{display:flex;flex-direction:column;height:100svh;padding-top:var(--navbar);overflow:hidden}
.studio-topbar{
  display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;
  padding:.55rem clamp(.75rem,2vw,1.25rem);
  background:rgba(10,8,22,.95);border-bottom:1px solid var(--border-s);
  flex-shrink:0;min-height:52px;
}
.studio-brand{font-family:var(--font-display);font-weight:800;font-size:.95rem;color:var(--cyan);text-shadow:0 0 10px var(--cyan);flex-shrink:0}
.studio-info{font-family:var(--font-mono);font-size:.72rem;color:var(--text-3);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.studio-toolbar{display:flex;gap:.35rem;flex-wrap:wrap;flex-shrink:0}
.tb-btn{
  background:rgba(255,255,255,.05);border:1px solid var(--border-s);
  color:var(--text-2);border-radius:var(--r-sm);
  padding:.35rem .7rem;font-family:var(--font-mono);font-size:.72rem;
  transition:all var(--tf);white-space:nowrap;
}
.tb-btn:hover{background:rgba(255,255,255,.1);color:var(--text)}
.tb-btn.is-active,.tb-btn:focus-visible{background:rgba(0,246,255,.12);border-color:var(--cyan);color:var(--cyan);box-shadow:0 0 8px rgba(0,246,255,.2)}
.tb-btn.accent{background:rgba(0,246,255,.1);border-color:var(--cyan);color:var(--cyan)}
.tb-btn.accent:hover{background:var(--cyan);color:#05030b}
.tb-btn.danger{border-color:rgba(255,46,230,.4);color:var(--mag)}
.tb-btn.danger:hover{background:rgba(255,46,230,.15)}
.tb-btn:disabled{opacity:.35;cursor:not-allowed;pointer-events:none}
.tb-btn.icon-only{width:28px;padding:.35rem 0;text-align:center;border-radius:999px}
.tb-sep{width:1px;align-self:stretch;background:var(--border-s);margin:0 .1rem}
.tb-btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* atalhos / help panel */
.shortcuts-panel{
  position:absolute;top:calc(var(--navbar) + 60px);right:1rem;z-index:50;
  background:rgba(10,8,22,.98);border:1px solid var(--border-s);border-radius:var(--r-md);
  padding:.85rem 1rem;box-shadow:0 12px 40px rgba(0,0,0,.5);width:min(320px,90vw);
}
.shortcuts-head{display:flex;justify-content:space-between;align-items:center;font-family:var(--font-display);color:var(--cyan);font-size:.85rem;font-weight:700;margin-bottom:.6rem;padding-bottom:.4rem;border-bottom:1px solid var(--border)}
.sc-close{background:none;border:none;color:var(--text-2);font-size:.85rem;padding:.1rem .3rem;border-radius:4px}
.sc-close:hover{color:var(--text);background:rgba(255,255,255,.08)}
.shortcuts-grid{display:grid;grid-template-columns:1fr 1fr;gap:.5rem .75rem;font-size:.72rem;color:var(--text-2)}
kbd{font-family:var(--font-mono);background:rgba(255,255,255,.08);border:1px solid var(--border-s);border-bottom-width:2px;border-radius:4px;padding:.05rem .35rem;font-size:.68rem;color:var(--text)}
.shortcuts-sub{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.12em;color:var(--cyan);margin:.2rem 0 .4rem}
.touch-only{display:none}
.is-touch .shortcuts-sub.touch-only{display:block}
.is-touch .shortcuts-grid.touch-only{display:grid;margin-bottom:.85rem;padding-bottom:.7rem;border-bottom:1px dashed var(--border)}

/* botão fechar de painel (bottom sheet) — só existe visualmente no mobile */
.sp-mobile-close{display:none}

/* barra de abas inferior + backdrop do editor mobile — ocultos no desktop */
.studio-mobtabs{display:none}
.studio-sheet-backdrop{display:none}

.studio-body{display:flex;flex:1;overflow:hidden;min-height:0;position:relative}

/* painel lateral */
.studio-panel{
  width:clamp(130px,18vw,190px);flex-shrink:0;
  background:rgba(8,6,20,.92);border-right:1px solid var(--border);
  overflow-y:auto;scrollbar-width:thin;
}
.studio-right{border-right:none;border-left:1px solid var(--border)}
.sp-section{padding:.75rem .6rem}
.sp-title{font-family:var(--font-mono);font-size:.65rem;letter-spacing:.12em;color:var(--text-3);text-transform:uppercase;margin-bottom:.5rem;padding-bottom:.3rem;border-bottom:1px solid var(--border)}
.sp-btn{
  display:block;width:100%;text-align:left;
  background:rgba(255,255,255,.03);border:1px solid var(--border);
  color:var(--text-2);border-radius:var(--r-sm);
  padding:.45rem .65rem;font-family:var(--font-mono);font-size:.72rem;
  margin-bottom:.3rem;transition:all var(--tf);
}
.sp-btn:hover{background:rgba(0,246,255,.08);border-color:var(--cyan);color:var(--cyan)}
.sp-btn:disabled,.sp-btn.is-disabled{opacity:.3;cursor:not-allowed;pointer-events:none}
.sp-section-grow{flex:1;display:flex;flex-direction:column;min-height:0}
.sp-title-count{float:right;color:var(--text-3);font-weight:400;letter-spacing:0}

/* scene list */
.scene-list{display:flex;flex-direction:column;gap:.25rem;margin-top:.25rem;overflow-y:auto}
.scene-item{
  display:flex;align-items:center;gap:.4rem;
  font-family:var(--font-mono);font-size:.7rem;color:var(--text-2);
  padding:.4rem .5rem;border-radius:var(--r-sm);border:1px solid transparent;
  cursor:pointer;transition:all var(--tf);
}
.scene-item:hover{background:rgba(255,255,255,.05);color:var(--text)}
.scene-item:focus-visible{outline:2px solid var(--cyan);outline-offset:1px}
.scene-item.is-selected{background:rgba(0,246,255,.1);border-color:var(--cyan);color:var(--cyan)}
.scene-item.is-hidden{opacity:.45}
.scene-item-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}
.scene-item-icon{opacity:.7;flex-shrink:0}
.scene-item-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.scene-item-eye{background:none;border:none;color:var(--text-3);font-size:.75rem;flex-shrink:0;padding:.1rem .2rem;border-radius:4px;line-height:1}
.scene-item-eye:hover{color:var(--cyan);background:rgba(255,255,255,.08)}
.scene-empty{display:flex;flex-direction:column;align-items:center;text-align:center;gap:.3rem;
  font-family:var(--font-mono);color:var(--text-3);padding:1.25rem .5rem}
.scene-empty-icon{font-size:1.2rem;color:var(--text-2)}
.scene-empty small{font-size:.62rem;line-height:1.4}

/* viewport */
.studio-viewport{flex:1;position:relative;overflow:hidden;background:#050310;min-width:0;cursor:grab}
.studio-viewport.cursor-grabbing{cursor:grabbing}
.studio-viewport.cursor-move{cursor:move}
.studio-viewport.cursor-rotate{cursor:alias}
.studio-viewport.cursor-scale{cursor:nwse-resize}
#threeCanvas{display:block;width:100%!important;height:100%!important;touch-action:none;-webkit-user-select:none;user-select:none}
.vp-hint{position:absolute;bottom:.75rem;left:50%;transform:translateX(-50%);
  font-family:var(--font-mono);font-size:.65rem;color:rgba(255,255,255,.5);
  background:rgba(0,0,0,.5);padding:.3rem .7rem;border-radius:999px;pointer-events:none;white-space:nowrap;
  transition:opacity var(--tf)}
.vp-stats{position:absolute;top:.65rem;left:.75rem;
  font-family:var(--font-mono);font-size:.65rem;color:var(--cyan);
  background:rgba(0,0,0,.5);padding:.25rem .6rem;border-radius:var(--r-sm)}
.vp-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:.8rem;color:var(--text-2);text-align:center;padding:2rem;
  background:#050310;z-index:5}
.vp-loading.is-error{color:var(--mag)}
.vp-toasts{position:absolute;bottom:2.6rem;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;gap:.4rem;align-items:center;pointer-events:none;z-index:40}
.vp-toast{font-family:var(--font-mono);font-size:.7rem;color:var(--text);
  background:rgba(15,11,30,.95);border:1px solid var(--border-s);border-radius:999px;
  padding:.4rem .9rem;opacity:0;transform:translateY(6px);transition:opacity var(--tf),transform var(--tf);
  box-shadow:0 6px 20px rgba(0,0,0,.4);white-space:nowrap}
.vp-toast.is-visible{opacity:1;transform:translateY(0)}
.vp-toast-success{border-color:rgba(61,255,176,.5);color:var(--ok)}
.vp-toast-warn{border-color:rgba(255,176,32,.5);color:var(--amber)}
.vp-toast-info{border-color:rgba(0,246,255,.4);color:var(--cyan)}

.drag-tip{position:absolute;display:none;pointer-events:none;z-index:45;
  font-family:var(--font-mono);font-size:.65rem;color:var(--cyan);
  background:rgba(5,3,15,.9);border:1px solid rgba(0,246,255,.35);border-radius:6px;
  padding:.25rem .5rem;white-space:nowrap;box-shadow:0 4px 16px rgba(0,0,0,.4)}

/* properties panel */
.props-empty{font-family:var(--font-mono);font-size:.72rem;color:var(--text-3);padding:.5rem 0;text-align:center}
.props-panel{display:flex;flex-direction:column;gap:.6rem;overflow-y:auto}
.prop-name-row{display:flex;align-items:center;gap:.4rem;padding-bottom:.4rem;border-bottom:1px solid var(--border)}
.prop-name-input{flex:1;min-width:0;background:transparent;border:1px solid transparent;color:var(--cyan);
  font-family:var(--font-display);font-size:.85rem;font-weight:700;padding:.2rem .3rem;border-radius:var(--r-sm)}
.prop-name-input:hover{border-color:var(--border-s)}
.prop-name-input:focus{outline:none;border-color:var(--cyan);background:rgba(0,246,255,.06)}
.prop-icon-btn{flex-shrink:0;background:rgba(255,255,255,.05);border:1px solid var(--border-s);border-radius:var(--r-sm);
  width:26px;height:26px;font-size:.8rem;color:var(--text-2);line-height:1}
.prop-icon-btn:hover{border-color:var(--cyan);color:var(--cyan)}
.prop-icon-btn.is-off{color:var(--text-3)}
.prop-group{display:flex;flex-direction:column;gap:.3rem}
.prop-label{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.1em;color:var(--text-3);text-transform:uppercase}
.prop-row{display:flex;gap:.3rem;flex-wrap:wrap}
.prop-row label{display:flex;flex-direction:column;gap:.15rem;font-family:var(--font-mono);font-size:.62rem;color:var(--text-3);flex:1;min-width:44px}
.prop-input{
  background:rgba(255,255,255,.05);border:1px solid var(--border-s);
  color:var(--text);border-radius:var(--r-sm);padding:.3rem .35rem;
  font-family:var(--font-mono);font-size:.7rem;width:100%;
}
.prop-input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 6px rgba(0,246,255,.2)}
.prop-input:hover{border-color:var(--border-s);background:rgba(255,255,255,.08)}
.prop-color{width:100%;height:28px;padding:0 2px;background:rgba(255,255,255,.05);border:1px solid var(--border-s);border-radius:var(--r-sm);cursor:pointer}
.prop-range{width:100%;accent-color:var(--cyan)}
.prop-check{accent-color:var(--cyan);width:16px;height:16px;margin-top:4px}
.material-row{gap:.3rem}

/* ===== EDITOR MOBILE: painéis viram bottom sheets + aba fixa embaixo ===== */
@media(max-width:768px){
  :root{--mobtab-h:60px}

  .studio-layout{height:100dvh}

  /* topbar mais enxuta, ferramentas em fila rolável (não quebra em várias linhas) */
  .studio-topbar{padding:.4rem .6rem;gap:.4rem;min-height:48px}
  .studio-brand{font-size:.8rem}
  .studio-info{display:none}
  .studio-toolbar{
    flex-wrap:nowrap;overflow-x:auto;overscroll-behavior-x:contain;
    -webkit-overflow-scrolling:touch;scroll-snap-type:x proximity;
    padding-block:2px;margin-inline:-.1rem;padding-inline:.1rem;
    mask-image:linear-gradient(to right,transparent 0,#000 10px,#000 calc(100% - 16px),transparent 100%);
    -webkit-mask-image:linear-gradient(to right,transparent 0,#000 10px,#000 calc(100% - 16px),transparent 100%);
  }
  .studio-toolbar::-webkit-scrollbar{display:none}
  .tb-btn{scroll-snap-align:start;flex-shrink:0;padding:.55rem .7rem;font-size:.7rem;min-height:40px}
  .tb-btn.icon-only{width:40px;min-height:40px}
  .tb-sep{flex-shrink:0}

  /* corpo: viewport ocupa tudo, reserva espaço para a aba fixa embaixo */
  .studio-body{padding-bottom:var(--mobtab-h);box-sizing:border-box}
  .studio-viewport{min-height:0;overscroll-behavior:contain}

  /* painéis esquerdo/direito → bottom sheets deslizantes, escondidos por padrão */
  .studio-panel{
    position:fixed;left:0;right:0;bottom:var(--mobtab-h);width:auto;
    max-height:56vh;height:auto;
    border:1px solid var(--border-s);border-bottom:none;border-radius:16px 16px 0 0;
    background:rgba(10,8,20,.98);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    box-shadow:0 -14px 40px rgba(0,0,0,.55);
    transform:translateY(110%);opacity:0;visibility:hidden;pointer-events:none;
    transition:transform 260ms cubic-bezier(.2,.8,.2,1),opacity 200ms ease,visibility 0s linear 260ms;
    z-index:80;overscroll-behavior:contain;
  }
  .studio-panel.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto;transition:transform 260ms cubic-bezier(.2,.8,.2,1),opacity 200ms ease}
  .studio-right{border-left:1px solid var(--border-s)}

  /* alça/cabeçalho para fechar o sheet com o polegar */
  .sp-mobile-close{
    display:flex;justify-content:space-between;align-items:center;width:100%;
    position:sticky;top:0;z-index:2;background:rgba(10,8,20,.98);
    padding:.9rem 1rem;font-family:var(--font-display);font-weight:700;font-size:.88rem;
    color:var(--cyan);border:none;border-bottom:1px solid var(--border);border-radius:16px 16px 0 0;
    min-height:44px;
  }
  .sp-mobile-close::before{content:'';position:absolute;top:.4rem;left:50%;transform:translateX(-50%);width:36px;height:4px;border-radius:999px;background:var(--border-s)}
  .sp-mobile-close span{font-size:.85rem;color:var(--text-2)}

  /* conteúdo do sheet com espaçamento confortável ao toque */
  .sp-section{padding:.75rem 1rem;display:block}
  .sp-title{width:auto;margin-bottom:.55rem}
  .sp-btn{
    display:inline-flex;align-items:center;
    width:calc(50% - .225rem);margin:0 .225rem .45rem 0;
    padding:.75rem .6rem;font-size:.8rem;min-height:46px;
  }
  .sp-btn:nth-child(2n){margin-right:0}
  .scene-item{padding:.7rem .6rem;min-height:46px}
  .scene-item-name{font-size:.75rem}
  .scene-item-eye{min-width:34px;min-height:34px;display:flex;align-items:center;justify-content:center;font-size:.9rem}

  .props-panel{gap:1rem;padding-bottom:1rem}
  .prop-row{gap:.5rem}
  .prop-row label{min-width:64px;font-size:.68rem}
  .prop-input{padding:.6rem .55rem;font-size:16px;min-height:42px}
  .prop-name-input{padding:.55rem .5rem;font-size:16px;min-height:40px}
  .prop-color{height:40px}
  .prop-range{height:34px}
  .prop-icon-btn{width:38px;height:38px;font-size:.9rem}

  /* atalhos: painel maior e rolável, com seção de gestos no topo */
  .shortcuts-panel{right:.5rem;left:.5rem;width:auto;top:calc(var(--navbar) + 8px);max-height:calc(100dvh - var(--navbar) - var(--mobtab-h) - 24px);overflow-y:auto;z-index:110}
  .shortcuts-grid{grid-template-columns:1fr}

  /* backdrop escurece a cena ao abrir um sheet, e fecha ao tocar fora */
  .studio-sheet-backdrop{
    display:block;position:fixed;left:0;right:0;top:var(--navbar);bottom:var(--mobtab-h);
    background:rgba(0,0,0,.45);z-index:75;opacity:0;pointer-events:none;transition:opacity 200ms ease;
  }
  .studio-sheet-backdrop.is-visible{opacity:1;pointer-events:auto}

  /* aba fixa embaixo: Objetos / Propriedades, alcançável com o polegar */
  .studio-mobtabs{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:90;height:var(--mobtab-h);
    background:rgba(8,6,15,.97);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border-top:1px solid var(--border-s);padding-bottom:env(safe-area-inset-bottom);
  }
  .mobtab-btn{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.2rem;
    background:none;border:none;color:var(--text-3);font-family:var(--font-mono);font-size:.62rem;
    letter-spacing:.02em;transition:color var(--tf);min-height:44px;position:relative;
  }
  .mobtab-btn+.mobtab-btn::before{content:'';position:absolute;left:0;top:20%;bottom:20%;width:1px;background:var(--border)}
  .mobtab-icon{font-size:1.1rem;line-height:1}
  .mobtab-btn[aria-pressed="true"]{color:var(--cyan)}
  .mobtab-btn[aria-pressed="true"]::after{content:'';position:absolute;top:0;left:30%;right:30%;height:2px;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
  .mobtab-btn[aria-pressed="true"] .mobtab-icon{text-shadow:0 0 8px var(--cyan)}
  .mobtab-btn:disabled{opacity:.35}
}

/* === ABOUT === */
.about-grid{display:grid;grid-template-columns:1fr;gap:2rem;margin-top:3rem;padding-bottom:clamp(3rem,8vw,5rem)}
.about-block h3{font-size:1.2rem;margin-bottom:1rem}
.check-list li{padding:.6rem 0 .6rem 1.6rem;position:relative;color:var(--text-2);border-bottom:1px solid var(--border);font-size:.95rem}
.check-list li::before{content:'◆';position:absolute;left:0;color:var(--cyan);font-size:.8rem;top:.75rem}
.founder-card{background:var(--bg-s);border:1px solid var(--border-s);border-radius:var(--r-lg);padding:1.5rem}
.founder-head{display:flex;gap:1rem;align-items:center}
.founder-avatar{width:56px;height:56px;border-radius:50%;flex-shrink:0;background:linear-gradient(135deg,var(--cyan),var(--pur));display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:800;color:#05030b}
.founder-role{color:var(--cyan);font-size:.85rem;margin-top:.15rem}
.founder-loc{color:var(--text-3);font-size:.78rem;margin-top:.1rem}
.founder-bio{margin-top:1.1rem;color:var(--text-2);font-size:.92rem}
.founder-timeline{margin-top:1.25rem;display:flex;flex-direction:column;gap:.6rem}
.tl-item{display:flex;justify-content:space-between;gap:1rem;font-size:.82rem;padding-bottom:.6rem;border-bottom:1px dashed var(--border)}
.tl-date{font-family:var(--font-mono);color:var(--text-3);flex-shrink:0}
.tl-role{color:var(--text-2);text-align:right}
.founder-skills{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.25rem}
.founder-skills span{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.03em;padding:.35rem .7rem;border-radius:999px;border:1px solid var(--border-s);color:var(--mag);background:rgba(255,46,230,.06)}
@media(min-width:860px){.about-grid{grid-template-columns:1fr 1fr;align-items:start}}

/* === CONTACT === */
.contact-container{display:flex;flex-direction:column;min-height:calc(100svh - var(--navbar));padding-bottom:clamp(3rem,8vw,5rem)}
.contact-links{display:grid;grid-template-columns:1fr;gap:1rem;margin-top:2.5rem}
.contact-card{display:flex;flex-direction:column;gap:.35rem;background:rgba(255,255,255,.03);border:1px solid var(--border-s);border-radius:var(--r-md);padding:1.25rem;transition:border-color var(--tf),transform var(--tf)}
a.contact-card:hover{border-color:var(--cyan);transform:translateY(-2px)}
.contact-label{font-family:var(--font-mono);font-size:.72rem;color:var(--text-3);text-transform:uppercase;letter-spacing:.08em}
.contact-value{font-size:1.05rem;color:var(--text)}
.site-footer{margin-top:auto;padding-top:3rem;display:flex;flex-direction:column;gap:.4rem;font-family:var(--font-mono);font-size:.72rem;color:var(--text-3)}
@media(min-width:720px){.contact-links{grid-template-columns:repeat(3,1fr)}.site-footer{flex-direction:row;justify-content:space-between}}

/* === FOCUS === */
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:var(--r-sm)}