/* IPMVA — efectos visuales v2 (se carga después de site.css) */
:root{--ease:cubic-bezier(.2,.7,.2,1)}
::selection{background:var(--accent);color:#fff}

/* Encabezado transparente sobre la portada */
body[data-page=inicio] .topbar{position:fixed;left:0;right:0;background:transparent;border-color:transparent;backdrop-filter:none}
body[data-page=inicio] .topbar.scrolled{background:rgba(246,247,249,.9);backdrop-filter:blur(14px);border-color:var(--line)}
body[data-page=inicio] .topbar:not(.scrolled) .navlinks a{color:#e3e9ee}
body[data-page=inicio] .topbar:not(.scrolled) .navlinks a:hover{background:rgba(255,255,255,.12)}
body[data-page=inicio] .topbar:not(.scrolled) .brand,body[data-page=inicio] .topbar:not(.scrolled) .iconbtn{color:#fff}
body[data-page=inicio] .topbar:not(.scrolled) .brandtxt small{color:#9fb0bd}
body[data-page=inicio] .topbar:not(.scrolled) .brandmark{background:rgba(255,255,255,.14)}
body[data-page=inicio] .topbar:not(.scrolled) .btn.ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);color:#fff}
.topbar.scrolled{box-shadow:0 8px 30px rgba(15,23,32,.08)}
body[data-page=inicio] .hero-in{padding-top:128px}

/* Portada: zoom lento, paralaje, brillo y entrada escalonada */
.hero-media{position:absolute;inset:-6% 0;will-change:transform}
.hero-bg{inset:0;animation:kb 26s ease-in-out infinite alternate}
@keyframes kb{from{transform:scale(1.02)}to{transform:scale(1.14) translate(-1.5%,-1%)}}
.hero-shade{background:radial-gradient(60% 70% at 85% 20%,rgba(217,121,26,.28),transparent 60%),linear-gradient(95deg,rgba(7,12,17,.94) 0%,rgba(7,12,17,.7) 48%,rgba(7,12,17,.3) 100%);z-index:1}
.hero:after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;z-index:1;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:linear-gradient(to bottom,#000 0%,transparent 75%);mask-image:linear-gradient(to bottom,#000 0%,transparent 75%)}
.hero-in{z-index:2}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#f6b25e,#d9791a);-webkit-background-clip:text;background-clip:text;color:transparent}
.scrollhint{position:absolute;right:32px;bottom:26px;z-index:2;width:26px;height:42px;border:2px solid rgba(255,255,255,.4);border-radius:14px}
.scrollhint:after{content:"";position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:#fff;animation:wheel 1.8s infinite}
@keyframes wheel{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}
@keyframes rise{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:no-preference){
  .hero-in>*{opacity:0;transform:translateY(24px);animation:rise .9s var(--ease) forwards}
  .hero-in>:nth-child(1){animation-delay:.1s}.hero-in>:nth-child(2){animation-delay:.22s}.hero-in>:nth-child(3){animation-delay:.36s}
  .hero-in>:nth-child(4){animation-delay:.5s}.hero-in>:nth-child(5){animation-delay:.66s}
}
@media (prefers-reduced-motion:reduce){.hero-bg,.marquee-track,.wa-float:before{animation:none!important}}

/* Botones: destello */
.btn.primary{position:relative;overflow:hidden;box-shadow:0 8px 22px rgba(217,121,26,.3)}
.btn.primary:after{content:"";position:absolute;top:0;left:-70%;width:50%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.4),transparent);transform:skewX(-20deg);transition:left .6s}
.btn.primary:hover:after{left:130%}
.btn.primary:hover{box-shadow:0 12px 30px rgba(217,121,26,.42)}

/* Cinta de industrias */
.marquee{background:var(--dark);color:#9fb0bd;border-block:1px solid rgba(255,255,255,.08);overflow:hidden;padding:16px 0;position:relative;z-index:2}
.marquee:before,.marquee:after{content:"";position:absolute;top:0;bottom:0;width:90px;z-index:1}
.marquee:before{left:0;background:linear-gradient(90deg,var(--dark),transparent)}.marquee:after{right:0;background:linear-gradient(-90deg,var(--dark),transparent)}
.marquee-track{display:flex;gap:44px;width:max-content;animation:scroll 38s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee span{display:inline-flex;align-items:center;gap:44px;font-size:.78rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;white-space:nowrap}
.marquee span:after{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* Tarjetas de servicio */
.scard{position:relative;overflow:hidden;isolation:isolate}
.scard:before{content:"";position:absolute;inset:0;z-index:-1;opacity:0;transition:opacity .3s;background:radial-gradient(260px circle at var(--mx,50%) var(--my,0%),rgba(217,121,26,.14),transparent 70%)}
.scard:hover:before{opacity:1}
.scard:after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;background:linear-gradient(90deg,var(--accent),#f6b25e);transition:width .45s var(--ease)}
.scard:hover:after{width:100%}
.scard:hover .sicon{background:var(--accent);color:#fff;transform:rotate(-6deg) scale(1.06)}
.sicon{transition:.35s var(--ease)}

/* Tarjetas de proyecto */
.pcard-img{position:relative}
.pcard-img:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(7,12,17,.55));opacity:.6;transition:opacity .4s}
.pcard:hover .pcard-img:after{opacity:1}
.pcard-img img{transition:transform .9s var(--ease)}
.pcard:hover .pcard-img img{transform:scale(1.08)}
.pcard:hover{box-shadow:0 26px 60px rgba(15,23,32,.14)}

/* Imágenes: marco decorativo, revelado y sombras */
.about-img{position:relative}
.about-img:before{content:"";position:absolute;inset:18px -18px -18px 18px;border:2px solid var(--accent);border-radius:22px;opacity:.5;z-index:0;transition:.5s var(--ease)}
.about-img:hover:before{inset:10px -10px -10px 10px;opacity:.9}
.about-img img{position:relative;z-index:1;box-shadow:0 30px 70px rgba(15,23,32,.2);transition:transform .8s var(--ease)}
.about-img:hover img{transform:scale(1.015)}
.cover img{box-shadow:0 34px 80px rgba(15,23,32,.22)}
@media (prefers-reduced-motion:no-preference){
  .imgreveal{clip-path:inset(0 0 100% 0 round 20px);transition:clip-path 1.1s var(--ease)}
  .imgreveal.in{clip-path:inset(0 0 0 0 round 20px)}
  .reveal{transition-delay:var(--d,0s)}
}
.gitem{position:relative}
.gitem:after{content:"+";position:absolute;inset:0;display:grid;place-items:center;font-size:2.4rem;font-weight:300;color:#fff;background:rgba(7,12,17,.45);opacity:0;transition:opacity .3s}
.gitem:hover:after{opacity:1}

/* Títulos de sección: subrayado animado */
.sec-head .h2:after{content:"";display:block;width:56px;height:4px;border-radius:3px;margin-top:14px;background:linear-gradient(90deg,var(--accent),#f6b25e);transform-origin:left;transform:scaleX(0);transition:transform .8s var(--ease) .15s}
.sec-head.in .h2:after,.no-io .sec-head .h2:after{transform:scaleX(1)}

/* Secciones oscuras, cabeceras y CTA con profundidad */
.section.dark{position:relative;overflow:hidden}
.section.dark:before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(50% 60% at 90% 10%,rgba(217,121,26,.16),transparent 60%),linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:auto,48px 48px,48px 48px}
.section.dark>.wrap{position:relative}
.steps li{transition:.3s var(--ease)}.steps li:hover{transform:translateX(6px);border-color:rgba(217,121,26,.5);background:#17222c}
.page-head{background:radial-gradient(55% 90% at 100% 0%,rgba(217,121,26,.12),transparent 60%),linear-gradient(180deg,#fff,var(--bg));border-bottom:1px solid var(--line)}
.cta{position:relative;overflow:hidden;background:linear-gradient(135deg,#131d27,#0a1015)}
.cta:before{content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(217,121,26,.35),transparent 65%)}
.cta>*{position:relative}
.mv article{position:relative;overflow:hidden;transition:.35s var(--ease)}
.mv article:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(var(--accent),#f6b25e)}
.mv article:hover{transform:translateY(-4px);box-shadow:0 20px 50px rgba(15,23,32,.1)}
.metrics strong{font-variant-numeric:tabular-nums}

/* Acceso privado (ícono de usuario) */
.userbtn{border:1px solid var(--line);border-radius:50%;width:40px;height:40px;background:var(--surface);color:var(--ink);transition:.2s}
.userbtn:hover{background:var(--accent);border-color:var(--accent);color:#fff}
body[data-page=inicio] .topbar:not(.scrolled) .userbtn{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);color:#fff}
body[data-page=inicio] .topbar:not(.scrolled) .userbtn:hover{background:var(--accent);border-color:var(--accent)}
@media (display-mode:standalone){.topbar .userbtn{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#fff}}

/* WhatsApp: pulso */
.wa-float{isolation:isolate}
.wa-float:before{content:"";position:absolute;inset:0;border-radius:50%;background:var(--wa);z-index:-1;animation:pulse 2.4s infinite}
@keyframes pulse{0%{transform:scale(1);opacity:.5}100%{transform:scale(1.7);opacity:0}}

@media (max-width:767px){
  body[data-page=inicio] .hero-in{padding-top:104px}
  .about-img:before{inset:12px -8px -12px 8px}
  .scrollhint{display:none}
}
@media (display-mode:standalone){body[data-page=inicio] .topbar.scrolled{background:rgba(11,17,23,.94)}}