/* ============================================================
   visualizaciones3d.com — sistema visual
   Verde casi negro + acento verde. Tipografías: Space Grotesk
   (display), Sora (subtítulos), Manrope (texto), IBM Plex Mono.
   ============================================================ */
:root{
  --bg:#05100b; --s1:#0a1812; --s2:#06120d; --s3:#081310; --s4:#040d09;
  --acc:#00e0a4; --acc2:#5ef0a8; --acc3:#9be600; --deep:#0b6e51;
  --tx:#eafff5; --tx2:#a9c4b8; --tx3:#8aa99c; --tx4:#5f8475;
  --line:rgba(0,224,164,.12); --maxw:1240px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--tx);font-family:'Manrope',sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
img{max-width:100%;display:block}
::selection{background:var(--acc);color:var(--bg)}

@keyframes vspin{to{transform:rotate(360deg)}}
@keyframes vfloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
@keyframes vpulse{0%,100%{opacity:.3}50%{opacity:.85}}
@keyframes vmarq{to{transform:translateX(-50%)}}
@keyframes vblink{0%,100%{opacity:1}50%{opacity:.15}}
@keyframes vrise{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
@keyframes vfade{from{opacity:0}to{opacity:1}}
@keyframes vscan{0%{transform:translateY(-120%)}100%{transform:translateY(820%)}}
@keyframes vbob{0%,100%{transform:translateY(0)}50%{transform:translateY(7px)}}

/* placeholder de imagen (hueco para renders reales) */
.vslot{position:relative;display:flex;align-items:center;justify-content:center;text-align:center;
  background:linear-gradient(135deg,#07150f,#0a1c14);border:1px dashed rgba(0,224,164,.22);
  color:#3f6b59;font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.08em;
  overflow:hidden}
.vslot::after{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(0,224,164,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(0,224,164,.06) 1px,transparent 1px);
  background-size:28px 28px;pointer-events:none}
.vslot span{position:relative;z-index:1;padding:0 14px}
.vslot img{width:100%;height:100%;object-fit:cover}

a.vnav-link{transition:color .25s}
a.vnav-link:hover{color:var(--tx)!important}

/* ---- menú móvil (hamburguesa + panel) ---- */
.vburger{display:none;width:46px;height:42px;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:rgba(0,224,164,.06);border:1px solid rgba(0,224,164,.22);border-radius:11px;cursor:pointer;padding:0;flex:none}
.vburger span{display:block;width:21px;height:2px;background:var(--acc);border-radius:2px;transition:transform .3s ease,opacity .25s ease}
.vburger.is-open span:nth-child(1){transform:translateY(3.5px) rotate(45deg)}
.vburger.is-open span:nth-child(2){transform:translateY(-3.5px) rotate(-45deg)}
#vmenu{position:fixed;inset:0;z-index:150;display:none;opacity:1;flex-direction:column;align-items:center;justify-content:center;gap:22px;padding:100px clamp(22px,7vw,40px) 48px;background:rgba(4,13,9,.985);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);overflow-y:auto}
#vmenu.is-open{display:flex}
#vmenu nav{display:flex;flex-direction:column;width:100%;max-width:440px}
#vmenu nav a{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:clamp(20px,5.5vw,26px);color:var(--tx);text-decoration:none;padding:15px 6px;border-bottom:1px solid rgba(0,224,164,.12);display:flex;justify-content:space-between;align-items:center;transition:color .2s,padding-left .25s}
#vmenu nav a::after{content:"→";color:var(--acc);opacity:.5;font-size:18px}
#vmenu nav a:hover,#vmenu nav a:active{color:var(--acc);padding-left:14px}
#vmenu .vmenu-cta{margin-top:10px;width:100%;max-width:440px;text-align:center;text-decoration:none;padding:17px;border-radius:12px;background:var(--acc);color:#04130d;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:17px}

@media(max-width:900px){
  .vnav{display:none!important}
  .vburger{display:flex!important}
  .vsplit{grid-template-columns:1fr!important}
  .vgrid3{grid-template-columns:1fr 1fr!important}
  .vsteps{grid-template-columns:1fr 1fr!important}
  .vh1{font-size:clamp(40px,11vw,72px)!important}
  .vrev{grid-template-columns:1fr!important}
}
@media(max-width:560px){
  .vgrid3{grid-template-columns:1fr!important}
  .vsteps{grid-template-columns:1fr!important}
  .vhdr-cta{display:none!important}
}