/* ==========================================================================
   Alejandro Contreras — Portafolio digital
   Tokens · negro #0E1116 · rojo #E11D2A · crema #F4F3EF
   ========================================================================== */
:root{
  --bg:#0E1116; --bg2:#131a24; --red:#E11D2A; --red-glow:rgba(225,29,42,.35);
  --white:#F4F3EF; --muted:#8b93a1; --line:rgba(244,243,239,.10);
  --font-body:'Inter',system-ui,sans-serif; --font-display:'Anton',Impact,sans-serif;
  --wrap:1240px;
  --ease:cubic-bezier(.16,1,.3,1);
  --dur:.9s;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--white); font-family:var(--font-body);
  font-weight:300; line-height:1.5; overflow-x:hidden;
  background-image:radial-gradient(90% 60% at 15% 0%, #1a2230 0%, transparent 55%);
}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.display{font-family:var(--font-display);font-weight:400;text-transform:uppercase;letter-spacing:.01em}
.red{color:var(--red)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}

/* ---------- progress ---------- */
.progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:120;background:transparent}
.progress span{display:block;height:100%;width:0;background:var(--red);box-shadow:0 0 12px var(--red)}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;gap:28px;
  padding:18px 34px;transition:background .4s,padding .4s,border-color .4s;border-bottom:1px solid transparent;
}
.nav.solid{background:rgba(11,14,19,.85);backdrop-filter:blur(14px);padding:11px 34px;border-color:var(--line)}
.nav-brand{display:flex;align-items:center;gap:12px;font-size:15px;letter-spacing:.14em;text-transform:uppercase}
.nav-brand b{font-weight:800}
.nav-lens{width:30px;height:30px}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.nav-links a{position:relative;padding:6px 0;transition:color .3s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav-links a:hover{color:var(--white)}
.nav-links a:hover::after{transform:scaleX(1)}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;padding:14px 26px;border-radius:8px;font-weight:600;font-size:15px;
  letter-spacing:.04em;transition:transform .3s var(--ease),box-shadow .3s,background .3s,color .3s;will-change:transform;
}
.btn.big{padding:18px 34px;font-size:17px}
.btn-red{background:var(--red);color:#fff;box-shadow:0 8px 30px rgba(225,29,42,.35)}
.btn-red:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(225,29,42,.5)}
.btn-ghost{border:1px solid var(--line);color:var(--white);background:rgba(255,255,255,.03)}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--red);background:rgba(225,29,42,.08)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden}
.hero-inner{position:relative;z-index:2;max-width:var(--wrap);margin:0 auto;padding:120px 28px 80px;width:100%}
.kicker{color:var(--red);font-weight:800;font-size:14px;letter-spacing:.32em;text-transform:uppercase;margin-bottom:18px}
.hero-title{font-size:clamp(64px,11vw,168px);line-height:.94}
.hero-title .line{display:block;overflow:hidden}
.hero-title .line > span{display:inline-block;transform:translateY(115%);animation:rise 1s var(--ease) forwards;animation-delay:var(--d,0s)}
@keyframes rise{to{transform:translateY(0)}}
.hero-sub{margin-top:30px;font-size:clamp(17px,2.2vw,24px);color:#cfd4dc;max-width:560px}
.hero-sub b{color:var(--white);font-weight:600}
.hero-ctas{display:flex;gap:16px;margin-top:38px;flex-wrap:wrap}
.reveal-load{opacity:0;transform:translateY(24px);animation:fadeUp .9s var(--ease) forwards;animation-delay:var(--d,0s)}
@keyframes fadeUp{to{opacity:1;transform:none}}
.hero-lens{position:absolute;right:-12vw;top:50%;width:min(58vw,760px);aspect-ratio:1;transform:translateY(-50%);z-index:1;
  filter:drop-shadow(0 0 80px var(--red-glow));animation:heroFloat 9s ease-in-out infinite}
@keyframes heroFloat{0%,100%{transform:translateY(-52%)}50%{transform:translateY(-48%)}}
.lens-spin{transform-origin:100px 100px;animation:spin 40s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.scroll-hint{position:absolute;left:50%;bottom:26px;width:24px;height:40px;border:2px solid var(--muted);border-radius:14px;transform:translateX(-50%);opacity:.7}
.scroll-hint span{position:absolute;left:50%;top:7px;width:4px;height:8px;background:var(--red);border-radius:2px;transform:translateX(-50%);animation:wheel 1.8s ease-in-out infinite}
@keyframes wheel{0%{opacity:0;transform:translate(-50%,0)}35%{opacity:1}100%{opacity:0;transform:translate(-50%,14px)}}

/* ---------- marquee ---------- */
.marquee{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#0b0e13;padding:16px 0}
.marquee-track{display:flex;gap:34px;align-items:center;width:max-content;animation:marq 26s linear infinite;
  font-family:var(--font-display);font-size:22px;letter-spacing:.14em;text-transform:uppercase;color:#5f6672}
.marquee-track i{color:var(--red);font-style:normal;font-size:10px}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- sections ---------- */
.section{padding:120px 0}
.h2{font-size:clamp(38px,6vw,76px);line-height:1;margin:8px 0 30px}
.h3{font-size:clamp(30px,4.5vw,54px);margin:90px 0 34px}
.block-head{display:flex;align-items:center;gap:28px;margin-bottom:70px}
.block-num{font-size:clamp(70px,10vw,130px);color:transparent;-webkit-text-stroke:2px rgba(225,29,42,.5);line-height:.8}

/* reveals on scroll */
.reveal{opacity:0;transform:translateY(38px);transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}

/* ---------- capacidades ---------- */
.caps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:44px}
.cap{border:1px solid var(--line);border-top:3px solid var(--red);border-radius:14px;padding:34px 30px;
  background:linear-gradient(160deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  transition:transform .45s var(--ease),box-shadow .45s,border-color .45s;will-change:transform}
.cap:hover{transform:translateY(-8px);box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 0 1px rgba(225,29,42,.25);border-color:rgba(225,29,42,.4)}
.cap h3{font-size:21px;font-weight:800;margin-bottom:18px}
.cap li{list-style:none;color:#c3c9d3;font-size:16px;padding:7px 0 7px 22px;position:relative}
.cap li::before{content:"";position:absolute;left:0;top:16px;width:10px;height:2px;background:var(--red)}
.caps-note{margin-top:36px;color:var(--muted);font-size:17px}
.caps-note b{color:var(--white);font-weight:600}

/* ---------- cases ---------- */
.case{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;margin-bottom:110px}
.case.rev .case-media{order:2}
.case.rev .case-info{order:1}
.case-info .case-cat{color:var(--red);font-weight:800;font-size:13px;letter-spacing:.26em;text-transform:uppercase;margin-bottom:14px}
.case-info h3{font-size:clamp(34px,4.6vw,58px);line-height:.95;margin-bottom:8px}
.case-sub{color:#cfd4dc;font-size:19px;margin-bottom:26px}
.case-info dl div{display:grid;grid-template-columns:96px 1fr;gap:14px;padding:11px 0;border-top:1px solid var(--line)}
.case-info dt{color:var(--red);font-weight:800;font-size:12px;letter-spacing:.18em;text-transform:uppercase;padding-top:3px}
.case-info dd{color:#dce0e7;font-size:16.5px}
.tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.tags span{font-size:12px;letter-spacing:.07em;text-transform:uppercase;color:#aeb4bf;border:1px solid var(--line);border-radius:100px;padding:6px 14px}
.link-out{display:inline-block;margin-top:22px;color:var(--red);font-weight:600;letter-spacing:.04em;transition:transform .3s var(--ease)}
.link-out:hover{transform:translateX(6px)}
.center{text-align:center;max-width:680px;margin:0 auto 46px}
.center dl{text-align:left}

/* video cards */
.video-card{position:relative;border-radius:16px;overflow:hidden;background:#05070a;
  box-shadow:0 30px 80px rgba(0,0,0,.55);border:1px solid rgba(255,255,255,.07);
  transition:transform .5s var(--ease),box-shadow .5s;will-change:transform}
.video-card:hover{transform:translateY(-6px) scale(1.012);box-shadow:0 40px 100px rgba(0,0,0,.65)}
.video-card video{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}
.badge{position:absolute;left:18px;top:16px;background:rgba(8,10,14,.72);border:1px solid var(--line);
  border-radius:8px;padding:7px 13px;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#cfd4dc}
.sound{position:absolute;right:16px;bottom:14px;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.25);
  background:rgba(8,10,14,.72);color:#fff;font-size:17px;cursor:pointer;transition:transform .3s,background .3s;z-index:3}
.sound:hover{transform:scale(1.12);background:var(--red)}

/* phones row */
.verticals-block{margin-bottom:110px}
.phones{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;max-width:900px;margin:0 auto}
.phone{border-radius:26px;padding:0;position:relative}
.phone video{aspect-ratio:9/16;object-fit:cover}
.phone:nth-child(2){transform:translateY(26px)}
.phone:nth-child(3){transform:translateY(52px)}

/* audio A/B card */
.audio-card{border:1px solid var(--line);border-radius:16px;padding:40px 36px;text-align:center;
  background:radial-gradient(90% 90% at 50% 0%,#161d28,#0a0d12);box-shadow:0 30px 80px rgba(0,0,0,.5)}
.audio-title{font-size:14px;letter-spacing:.26em;text-transform:uppercase;color:var(--muted);margin-bottom:22px}
.ab-toggle{display:inline-flex;border:1px solid var(--line);border-radius:100px;padding:5px;gap:5px;margin-bottom:30px}
.ab-btn{border:0;background:transparent;color:var(--muted);font-family:var(--font-body);font-weight:600;font-size:14px;
  padding:10px 22px;border-radius:100px;cursor:pointer;transition:background .35s,color .35s}
.ab-btn.active{background:var(--red);color:#fff;box-shadow:0 4px 18px rgba(225,29,42,.45)}
.waves{position:relative;height:120px;margin-bottom:28px}
.wave{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;transition:opacity .5s}
.wave-after{opacity:0}
.audio-card.after .wave-after{opacity:1}
.audio-card.after .wave-before{opacity:0}
.playhead{position:absolute;left:0;top:8%;bottom:8%;width:2px;background:#fff;opacity:0;box-shadow:0 0 10px #fff}
.play-btn{width:74px;height:74px;border-radius:50%;border:0;background:var(--red);color:#fff;font-size:24px;cursor:pointer;
  box-shadow:0 10px 34px rgba(225,29,42,.5);transition:transform .3s var(--ease)}
.play-btn:hover{transform:scale(1.1)}

/* browser frame — mini navegador interactivo */
.browser{border-radius:14px;overflow:hidden;border:1px solid rgba(255,255,255,.08);background:#0b0e13;
  box-shadow:0 34px 90px rgba(0,0,0,.6)}
.browser-bar{height:44px;display:flex;align-items:center;gap:8px;padding:0 16px;background:#151a22}
.browser-bar .d{width:12px;height:12px;border-radius:50%;display:inline-block}
.d.r{background:#ff5f57}.d.y{background:#febc2e}.d.g{background:#28c840}
.browser-bar .url{margin-left:14px;font-size:13px;color:#9aa1ad;background:#0b0e13;border-radius:20px;padding:5px 18px}
.browser-view{position:relative;height:460px;overflow:hidden;cursor:grab;touch-action:none}
.browser-view.dragging{cursor:grabbing}
.browser-view img{width:100%;will-change:transform;user-select:none;-webkit-user-drag:none}
.mini-hint{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);background:rgba(8,10,14,.78);
  border:1px solid var(--line);border-radius:100px;padding:8px 18px;font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:#cfd4dc;pointer-events:none;transition:opacity .5s;white-space:nowrap}
.browser-view.used .mini-hint{opacity:0}

/* post tilt */
.post-card{border-radius:18px;overflow:hidden;box-shadow:0 34px 90px rgba(0,0,0,.55);border:1px solid rgba(255,255,255,.07);
  max-width:520px;margin:0 auto;transition:transform .25s ease-out;will-change:transform}
.post-card img{width:100%}

/* manuals */
.manual-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;max-width:1000px;margin:0 auto}
.manual-card{position:relative;border-radius:14px;overflow:hidden;border:1px solid rgba(255,255,255,.08);
  box-shadow:0 30px 80px rgba(0,0,0,.5);cursor:pointer;transition:transform .45s var(--ease),box-shadow .45s}
.manual-card:hover{transform:translateY(-6px);box-shadow:0 38px 95px rgba(0,0,0,.65)}
.manual-card > img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s var(--ease),filter .5s}
.manual-card:hover > img{transform:scale(1.04);filter:brightness(.45)}
.manual-cta{position:absolute;inset:0;bottom:52px;display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity .4s var(--ease)}
.manual-card:hover .manual-cta,.manual-card:focus-visible .manual-cta{opacity:1}
.manual-cta span{border:1px solid rgba(244,243,239,.55);border-radius:100px;padding:13px 26px;
  font-size:13px;letter-spacing:.24em;text-transform:uppercase;color:var(--white);
  background:rgba(8,10,14,.45);backdrop-filter:blur(4px);transform:translateY(8px);transition:transform .4s var(--ease)}
.manual-card:hover .manual-cta span{transform:none}
.manual-card figcaption{position:relative;z-index:2;padding:16px 20px;font-size:14px;color:#c3c9d3;letter-spacing:.05em;background:#0b0e13}
.manual-card b{color:var(--white)}

/* visor de manuales — SVG vectorial inline */
.mv-svg{width:min(1200px,92vw);aspect-ratio:16/9;max-height:80vh;border-radius:12px;overflow:hidden;
  margin:0 auto;box-shadow:0 40px 120px rgba(0,0,0,.8);border:1px solid rgba(255,255,255,.1);background:#0b0e13;
  display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .35s var(--ease)}
.mv-svg.ready{opacity:1}
.mv-svg svg{width:100%;height:100%;display:block}
.mv-count{margin-left:18px;color:var(--red);font-weight:600;letter-spacing:.1em}

/* controles del módulo de audio */
.audio-card{position:relative}
.audio-ctl{right:18px;bottom:16px}

/* ---------- estrategia ---------- */
.strat-lead{font-size:clamp(19px,2.4vw,26px);color:#cfd4dc;max-width:820px;margin-bottom:60px}
.strat-lead b{color:var(--white);font-weight:600}
.funnel{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.stage{position:relative;border:1px solid var(--line);border-top:3px solid var(--red);border-radius:12px;
  padding:24px 20px;background:rgba(255,255,255,.02);transition:transform .4s var(--ease),box-shadow .4s}
.stage:hover{transform:translateY(-6px);box-shadow:0 20px 50px rgba(0,0,0,.45)}
.stage .sn{font-size:26px;color:var(--red);display:block;margin-bottom:8px}
.stage h4{font-size:17px;font-weight:800;margin-bottom:8px;line-height:1.2}
.stage p{font-size:14px;color:#b9bfc9}
.proof{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.proof-card{border:1px solid var(--line);border-radius:14px;padding:34px 30px;
  background:linear-gradient(160deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  transition:transform .45s var(--ease),box-shadow .45s}
.proof-card:hover{transform:translateY(-8px);box-shadow:0 24px 60px rgba(0,0,0,.5)}
.proof-tag{color:var(--red);font-weight:800;font-size:12px;letter-spacing:.22em;text-transform:uppercase;margin-bottom:16px}
.proof-big{font-size:clamp(40px,4.5vw,56px);line-height:1;margin-bottom:6px}
.proof-big span{display:block;font-family:var(--font-body);font-size:14px;color:var(--muted);text-transform:none;letter-spacing:.03em;margin-top:8px}
.proof-card > p:not(.proof-tag):not(.proof-big){font-size:15.5px;color:#c9ced8;margin-top:12px}
.proof-card b{color:var(--white);font-weight:600}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
.about-p{font-size:clamp(18px,2vw,22px);color:#dce0e7;margin-bottom:20px}
.about-p b{color:var(--white);font-weight:600}
.quote-note{margin-top:26px;color:var(--muted);font-size:16px}
.quote-note b{color:var(--red)}
.steps{list-style:none;display:flex;flex-direction:column;gap:18px}
.steps li{display:flex;gap:20px;align-items:flex-start;border:1px solid var(--line);border-left:3px solid var(--red);
  border-radius:12px;padding:22px 24px;background:rgba(255,255,255,.02)}
.steps li > span{font-size:30px;color:var(--red);line-height:1}
.steps h4{font-size:18px;font-weight:800;margin-bottom:4px}
.steps p{font-size:15px;color:#b9bfc9}

/* ---------- cta ---------- */
.cta{position:relative;padding:140px 0 0;text-align:center;overflow:hidden;
  background:radial-gradient(70% 60% at 50% 100%,rgba(225,29,42,.14),transparent 70%)}
.cta-h{font-size:clamp(44px,7vw,96px);line-height:1}
.cta-sub{color:#cfd4dc;font-size:20px;margin:24px 0 40px}
.cta-actions{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.cta-ig{margin-top:26px;color:var(--muted);font-size:15px}
.cta-ig a:hover{color:var(--white)}
.footer{margin-top:110px;padding:26px;border-top:1px solid var(--line);color:#5f6672;font-size:13px;letter-spacing:.08em}

/* ---------- lang toggle ---------- */
.lang-btn{border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--white);
  font-family:var(--font-body);font-weight:800;font-size:13px;letter-spacing:.14em;
  padding:10px 16px;border-radius:8px;cursor:pointer;transition:border-color .3s,background .3s,transform .3s var(--ease)}
.lang-btn:hover{border-color:var(--red);background:rgba(225,29,42,.1);transform:translateY(-2px)}

/* ---------- controles de video ---------- */
.media-ctl{position:absolute;right:14px;bottom:12px;display:flex;align-items:center;gap:10px;z-index:4}
.expand{width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(8,10,14,.72);
  color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:transform .3s var(--ease),background .3s}
.expand svg{width:18px;height:18px}
.expand:hover{transform:scale(1.12);background:var(--red)}
.vol-ctl{display:flex;align-items:center;background:rgba(8,10,14,.72);border:1px solid rgba(255,255,255,.25);
  border-radius:100px;padding:0;overflow:hidden;transition:border-color .35s}
.vol-ctl:hover,.vol-ctl.open{border-color:var(--red)}
.vol-ctl .sound{position:static;width:44px;height:44px;border:0;background:transparent;flex:0 0 auto}
.vol-ctl .sound:hover{background:var(--red)}
.vol-slider{width:0;opacity:0;margin:0;appearance:none;-webkit-appearance:none;height:4px;background:rgba(255,255,255,.28);
  border-radius:2px;outline:none;cursor:pointer;transition:width .45s var(--ease),opacity .3s,margin .45s var(--ease)}
.vol-ctl:hover .vol-slider,.vol-ctl.open .vol-slider{width:96px;opacity:1;margin:0 8px 0 16px}
.vol-slider::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:14px;height:14px;border-radius:50%;
  background:var(--red);box-shadow:0 0 10px rgba(225,29,42,.7);cursor:pointer}
.vol-slider::-moz-range-thumb{width:14px;height:14px;border:0;border-radius:50%;background:var(--red);cursor:pointer}
.video-card video{cursor:zoom-in}

/* ---------- lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center}
.lightbox[hidden]{display:none}
.lb-backdrop{position:absolute;inset:0;background:rgba(5,7,10,.92);backdrop-filter:blur(10px);
  animation:lbFade .35s var(--ease)}
@keyframes lbFade{from{opacity:0}to{opacity:1}}
.lb-stage{position:relative;z-index:2;max-width:min(1100px,92vw);max-height:86vh;
  animation:lbZoom .45s var(--ease)}
@keyframes lbZoom{from{opacity:0;transform:scale(.92) translateY(14px)}to{opacity:1;transform:none}}
.lb-stage video{max-width:100%;max-height:78vh;border-radius:14px;box-shadow:0 40px 120px rgba(0,0,0,.8);
  border:1px solid rgba(255,255,255,.1);background:#000;display:block;margin:0 auto}
.lb-title{margin-top:16px;text-align:center;font-size:15px;letter-spacing:.14em;text-transform:uppercase;color:#cfd4dc}
.lb-close{position:absolute;top:26px;right:30px;z-index:3;width:52px;height:52px;border-radius:50%;
  border:1px solid rgba(255,255,255,.25);background:rgba(8,10,14,.7);color:#fff;font-size:20px;cursor:pointer;
  transition:transform .3s var(--ease),background .3s}
.lb-close:hover{transform:rotate(90deg) scale(1.08);background:var(--red)}
.lb-nav{position:relative;z-index:3;width:58px;height:58px;border-radius:50%;border:1px solid rgba(255,255,255,.25);
  background:rgba(8,10,14,.7);color:#fff;font-size:30px;line-height:1;cursor:pointer;margin:0 22px;flex:0 0 auto;
  transition:transform .3s var(--ease),background .3s}
.lb-nav:hover{transform:scale(1.12);background:var(--red)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .caps,.proof{grid-template-columns:1fr 1fr}
  .case{grid-template-columns:1fr;gap:34px}
  .case.rev .case-media{order:0}
  .funnel{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:44px}
  .hero-lens{opacity:.35;right:-30vw}
}
@media (max-width:640px){
  .section{padding:80px 0}
  .nav-links{display:none}
  .nav{padding:14px 18px;gap:10px}
  .nav-cta{margin-left:auto;padding:11px 16px;font-size:13px}
  .lang-btn{order:3;padding:9px 12px}
  .nav-cta{order:2}
  .vol-ctl:hover .vol-slider,.vol-ctl.open .vol-slider{width:72px}
  .lb-nav{position:fixed;bottom:24px;top:auto;margin:0}
  .lb-prev{left:24px}.lb-next{right:24px}
  .lb-close{top:16px;right:16px}
  .caps,.proof,.manual-grid,.funnel{grid-template-columns:1fr}
  .phones{grid-template-columns:1fr;max-width:320px}
  .phone:nth-child(2),.phone:nth-child(3){transform:none}
  .browser-view{height:340px}
  .manual-cta span{padding:11px 18px;font-size:12px}
  .block-head{gap:16px}
}
html.static{scroll-behavior:auto}
html.static .reveal,html.static .reveal-load,html.static .hero-title .line>span{opacity:1;transform:none;animation:none;transition:none}
html.static *{animation-play-state:paused !important}
/* ---------- motion gating (sistema validado Conaut) ----------
   Se gatea por html[data-motion="off"], NO por prefers-reduced-motion:
   Windows con "Efectos de animación" apagados haría que Chrome reporte
   reduce=true y dejaría el sitio sin animar. Política: animar siempre. */
html[data-motion="off"] *,
html[data-motion="off"] *::before,
html[data-motion="off"] *::after{
  animation:none !important;
  transition:none !important;
}
html[data-motion="off"] .reveal,
html[data-motion="off"] .reveal-load,
html[data-motion="off"] .hero-title .line>span{opacity:1;transform:none}

/* press layer: feedback táctil en todo control */
.btn:active,.sound:active,.expand:active,.ab-btn:active,.lang-btn:active,
.play-btn:active,.lb-nav:active,.lb-close:active{transform:scale(.94);transition-duration:.08s}
.btn-red:active{box-shadow:0 4px 14px rgba(225,29,42,.35)}