/* ===================================================== */
/* SECCIÓN PLATAFORMA - ENGLISH ACADEMY RVN              */
/* ===================================================== */
.plataforma{padding:100px 60px 120px;background:#060b16;position:relative;overflow:hidden}
.plataforma::before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(rgba(76,201,240,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(76,201,240,.04) 1px,transparent 1px);background-size:60px 60px;z-index:0}
.plataforma::after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(180deg,#0a0f1c 0%,transparent 8%),linear-gradient(0deg,#0a0f1c 0%,transparent 8%);z-index:0;pointer-events:none}
.plataforma-particles{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none}
.plataforma-particles span{position:absolute;width:4px;height:4px;background:#4cc9f0;border-radius:50%;opacity:0;animation:particleFloat 8s infinite ease-in-out}
.plataforma-particles span:nth-child(1){left:5%;top:20%;animation-delay:0s}
.plataforma-particles span:nth-child(2){left:15%;top:60%;animation-delay:1.2s}
.plataforma-particles span:nth-child(3){left:30%;top:30%;animation-delay:2.4s}
.plataforma-particles span:nth-child(4){left:50%;top:70%;animation-delay:.8s}
.plataforma-particles span:nth-child(5){left:65%;top:15%;animation-delay:3.2s}
.plataforma-particles span:nth-child(6){left:75%;top:50%;animation-delay:1.6s}
.plataforma-particles span:nth-child(7){left:85%;top:25%;animation-delay:4s}
.plataforma-particles span:nth-child(8){left:90%;top:80%;animation-delay:2s}
.plataforma-particles span:nth-child(9){left:40%;top:85%;animation-delay:3.6s}
.plataforma-particles span:nth-child(10){left:20%;top:45%;animation-delay:.4s}
@keyframes particleFloat{0%,100%{opacity:0;transform:translateY(0) scale(1)}25%{opacity:.6}50%{opacity:1;transform:translateY(-40px) scale(1.5)}75%{opacity:.6}}
.plataforma-badge{position:relative;z-index:2;display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:60px;font-family:'Orbitron',sans-serif;font-size:13px;letter-spacing:4px;color:#4cc9f0;text-transform:uppercase}
.badge-dot{width:8px;height:8px;background:#4cc9f0;border-radius:50%;display:inline-block;animation:badgePulse 2s infinite;box-shadow:0 0 10px #4cc9f0}
@keyframes badgePulse{0%,100%{opacity:1;box-shadow:0 0 10px #4cc9f0}50%{opacity:.4;box-shadow:0 0 20px #4cc9f0,0 0 40px #4cc9f0}}
.plataforma-wrapper{display:flex;align-items:center;justify-content:center;gap:70px;max-width:1400px;margin:0 auto;position:relative;z-index:2}
.plataforma-visual{flex:1.4;display:flex;justify-content:center;position:relative}
.mockup-container{position:relative;width:100%;max-width:620px}
.mockup-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:500px;height:500px;background:radial-gradient(circle,rgba(76,201,240,.12) 0%,transparent 70%);border-radius:50%;z-index:0;animation:glowPulse 4s ease-in-out infinite}
@keyframes glowPulse{0%,100%{transform:translate(-50%,-50%) scale(1);opacity:.6}50%{transform:translate(-50%,-50%) scale(1.15);opacity:1}}
.mockup-laptop{position:relative;z-index:2;background:#0d1321;border-radius:16px;border:1px solid rgba(76,201,240,.2);box-shadow:0 0 40px rgba(76,201,240,.1),0 30px 60px rgba(0,0,0,.5);overflow:hidden;transition:transform .4s ease,box-shadow .4s ease}
.mockup-laptop:hover{transform:translateY(-6px);box-shadow:0 0 60px rgba(76,201,240,.18),0 40px 80px rgba(0,0,0,.6)}
.screen-header{display:flex;align-items:center;gap:12px;padding:12px 18px;background:#161d2e;border-bottom:1px solid rgba(255,255,255,.05)}
.screen-dots{display:flex;gap:7px}
.screen-dots span{width:11px;height:11px;border-radius:50%;display:block}
.screen-url{font-size:12px;color:rgba(255,255,255,.4);font-family:'Roboto',monospace;letter-spacing:.5px;background:rgba(255,255,255,.05);padding:4px 16px;border-radius:6px;flex:1;text-align:center}
.screen-nav{display:flex;gap:6px}
.screen-nav-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.1);transition:background .3s;cursor:pointer}
.screen-nav-dot.active-dot{background:#4cc9f0;box-shadow:0 0 6px rgba(76,201,240,.5)}
.screen-body{display:flex;min-height:340px;position:relative}
.screen-sidebar{width:170px;background:#111827;padding:16px 12px;border-right:1px solid rgba(255,255,255,.05);display:flex;flex-direction:column;gap:4px;flex-shrink:0}
.sb-item{font-size:12px;color:rgba(255,255,255,.45);padding:8px 12px;border-radius:7px;cursor:default;transition:all .3s;border-left:2px solid transparent}
.sb-item.active{background:rgba(76,201,240,.12);color:#4cc9f0;border-left-color:#4cc9f0}
.screen-content-area{flex:1;position:relative;overflow:hidden}
.screen-slide{position:absolute;top:0;left:0;width:100%;height:100%;padding:24px;display:flex;flex-direction:column;justify-content:center;gap:12px;opacity:0;transform:translateY(20px);transition:all .5s cubic-bezier(.4,0,.2,1);pointer-events:none}
.screen-slide.active-slide{opacity:1;transform:translateY(0);pointer-events:auto}
.slide-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(76,201,240,.12);color:#4cc9f0;font-family:'Orbitron',sans-serif;font-size:11px;font-weight:600;padding:5px 14px;border-radius:20px;width:fit-content;border:1px solid rgba(76,201,240,.25)}
.slide-title{font-family:'Orbitron',sans-serif;font-size:15px;color:#fff;line-height:1.4}
.slide-subtitle{font-size:12px;color:rgba(255,255,255,.5);line-height:1.5}
.slide-phrase{font-size:15px;color:#fff;font-style:italic;font-weight:500;line-height:1.5;padding:12px 16px;background:rgba(255,255,255,.03);border-left:3px solid #4cc9f0;border-radius:0 8px 8px 0}
.slide-translation{font-size:12px;color:rgba(255,255,255,.4);padding-left:16px}
.slide-progress-wrap{display:flex;flex-direction:column;gap:4px}
.slide-progress{height:7px;background:rgba(255,255,255,.08);border-radius:10px;overflow:hidden}
.slide-progress-bar{height:100%;border-radius:10px;transition:width 1s ease}
.slide-progress-label{font-size:10px;color:rgba(255,255,255,.3);text-align:right}
.speed-control{display:flex;align-items:center;gap:8px;padding:8px 0}
.speed-btn{padding:4px 10px;border-radius:6px;font-size:11px;font-weight:600;color:rgba(255,255,255,.4);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);cursor:default;transition:all .3s}
.speed-btn.speed-active{color:#4cc9f0;background:rgba(76,201,240,.12);border-color:rgba(76,201,240,.3)}
.waveform{display:flex;align-items:end;gap:3px;height:40px;padding:8px 0}
.wave-bar{width:4px;background:#4cc9f0;border-radius:2px;animation:waveAnim 1.2s ease-in-out infinite}
@keyframes waveAnim{0%,100%{height:8px;opacity:.4}50%{height:100%;opacity:1}}
.devices-row{display:flex;gap:16px;align-items:center;padding:10px 0}
.device-box{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 18px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:10px;flex:1;transition:all .3s}
.device-box.device-active{border-color:rgba(76,201,240,.3);background:rgba(76,201,240,.06)}
.device-icon{font-size:28px}
.device-label{font-size:10px;color:rgba(255,255,255,.5)}
.levels-row{display:flex;gap:8px;flex-wrap:wrap}
.level-pill{padding:5px 14px;border-radius:20px;font-family:'Orbitron',sans-serif;font-size:11px;font-weight:600;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);color:rgba(255,255,255,.4);transition:all .4s}
.level-pill.level-active{background:rgba(76,201,240,.15);border-color:rgba(76,201,240,.4);color:#4cc9f0;box-shadow:0 0 12px rgba(76,201,240,.15)}
.mini-flashcard{perspective:600px;height:80px}
.mini-fc-inner{width:100%;height:100%;position:relative;transition:transform .8s;transform-style:preserve-3d;animation:fcFlip 4s ease-in-out infinite}
@keyframes fcFlip{0%,40%{transform:rotateY(0deg)}50%,90%{transform:rotateY(180deg)}}
.mini-fc-front,.mini-fc-back{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:500;padding:12px;text-align:center}
.mini-fc-front{background:rgba(76,201,240,.1);border:1px solid rgba(76,201,240,.2);color:#fff}
.mini-fc-back{background:rgba(123,47,247,.1);border:1px solid rgba(123,47,247,.25);color:rgba(255,255,255,.8);transform:rotateY(180deg)}
.update-feed{display:flex;flex-direction:column;gap:8px}
.update-item{display:flex;align-items:center;gap:10px;padding:8px 12px;background:rgba(255,255,255,.03);border-radius:8px;border-left:3px solid;font-size:12px;color:rgba(255,255,255,.6)}
.update-item:nth-child(1){border-color:#22c55e}
.update-item:nth-child(2){border-color:#4cc9f0}
.update-item:nth-child(3){border-color:#f59e0b}
.update-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}
.industry-tags{display:flex;flex-wrap:wrap;gap:6px}
.ind-tag{padding:4px 12px;border-radius:14px;font-size:11px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);color:rgba(255,255,255,.5)}
.ind-tag.ind-active{background:rgba(76,201,240,.1);border-color:rgba(76,201,240,.25);color:#4cc9f0}
.float-card{position:absolute;z-index:3;display:flex;align-items:center;gap:10px;background:rgba(13,19,33,.92);backdrop-filter:blur(12px);border:1px solid rgba(76,201,240,.15);border-radius:12px;padding:12px 18px;box-shadow:0 8px 32px rgba(0,0,0,.4),0 0 15px rgba(76,201,240,.08);animation:floatCard 6s ease-in-out infinite}
.float-card strong{font-size:13px;color:#fff;display:block}
.float-card small{font-size:10px;color:rgba(255,255,255,.45);display:block;margin-top:2px}
.float-icon{font-size:24px;line-height:1}
.float-nivel{top:-25px;right:-35px;animation-delay:0s}
.float-modulos{bottom:70px;left:-45px;animation-delay:2s}
.float-industrias{bottom:-15px;right:-25px;animation-delay:4s}
@keyframes floatCard{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.plataforma-info{flex:.9;max-width:480px;position:relative;z-index:2}
.plataforma-titulo{font-family:'Orbitron',sans-serif;font-size:30px;color:#fff;margin-bottom:8px;line-height:1.3}
.titulo-emoji{margin-right:8px}
.titulo-highlight{color:#4cc9f0;position:relative}
.titulo-highlight::after{content:"";position:absolute;bottom:-2px;left:0;width:100%;height:3px;background:linear-gradient(90deg,#4cc9f0,#7b2ff7);border-radius:2px}
.plataforma-subtitulo{font-size:16px;color:rgba(255,255,255,.55);font-weight:400;margin-bottom:20px;letter-spacing:.5px}
.plataforma-desc{font-size:14px;line-height:1.75;color:rgba(255,255,255,.65);margin-bottom:28px}
.plataforma-features{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:28px}
.feature-item{display:flex;align-items:center;gap:10px;padding:11px 14px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:10px;transition:all .35s ease;cursor:pointer;user-select:none;position:relative}
.feature-item::after{content:"";position:absolute;bottom:0;left:50%;width:0;height:2px;background:linear-gradient(90deg,#4cc9f0,#7b2ff7);border-radius:2px;transition:all .35s ease;transform:translateX(-50%)}
.feature-item:hover{background:rgba(76,201,240,.06);border-color:rgba(76,201,240,.15);transform:translateX(3px)}
.feature-item.feature-active{background:rgba(76,201,240,.1);border-color:rgba(76,201,240,.35);box-shadow:0 0 20px rgba(76,201,240,.08)}
.feature-item.feature-active::after{width:60%}
.feature-icon{font-size:18px;line-height:1}
.feature-text{font-size:13px;color:rgba(255,255,255,.8)}
.feature-item.feature-active .feature-text{color:#4cc9f0}
.plataforma-precio{display:flex;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.precio-free,.precio-premium{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.6)}
.precio-tag{font-family:'Orbitron',sans-serif;font-size:10px;font-weight:600;letter-spacing:2px;padding:4px 12px;border-radius:20px;background:rgba(255,255,255,.08);color:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.1)}
.precio-tag.premium{background:linear-gradient(135deg,rgba(76,201,240,.2),rgba(123,47,247,.2));color:#4cc9f0;border-color:rgba(76,201,240,.3);box-shadow:0 0 15px rgba(76,201,240,.1)}
.plataforma-ctas{display:flex;gap:14px;margin-bottom:22px;flex-wrap:wrap}
.btn-plataforma-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;background:linear-gradient(135deg,#4cc9f0,#7b2ff7);color:#fff;font-weight:600;font-size:15px;border-radius:30px;text-decoration:none;transition:all .4s ease;box-shadow:0 4px 20px rgba(76,201,240,.3);position:relative;overflow:hidden}
.btn-plataforma-primary::before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}
.btn-plataforma-primary:hover::before{left:100%}
.btn-plataforma-primary:hover{transform:translateY(-3px);box-shadow:0 8px 35px rgba(76,201,240,.5)}
.btn-plataforma-secondary{display:inline-flex;align-items:center;gap:6px;padding:14px 26px;color:#4cc9f0;font-weight:500;font-size:15px;border-radius:30px;text-decoration:none;border:1px solid rgba(76,201,240,.3);transition:all .3s ease}
.btn-plataforma-secondary:hover{background:rgba(76,201,240,.1);border-color:#4cc9f0;transform:translateY(-3px)}
.plataforma-social{display:flex;align-items:center;gap:10px}
.social-stars{color:#f59e0b;font-size:16px;letter-spacing:2px}
.social-text{font-size:13px;color:rgba(255,255,255,.4)}

/* RESPONSIVE PLATAFORMA */
@media(max-width:1100px){.plataforma{padding:80px 30px 100px}.plataforma-wrapper{flex-direction:column;gap:50px}.plataforma-visual{max-width:560px;width:100%}.plataforma-info{max-width:100%;text-align:center}.plataforma-features{max-width:420px;margin-left:auto;margin-right:auto}.plataforma-precio{justify-content:center}.plataforma-ctas{justify-content:center}.plataforma-social{justify-content:center}.float-nivel{right:0}.float-modulos{left:0}.float-industrias{right:0}}
@media(max-width:768px){.plataforma{padding:60px 20px 80px}.plataforma-badge{font-size:11px;letter-spacing:3px;margin-bottom:40px}.plataforma-titulo{font-size:22px}.screen-sidebar{display:none}.screen-body{min-height:280px}.mockup-container{max-width:400px}.float-card{padding:10px 14px}.float-card strong{font-size:11px}.float-card small{font-size:9px}.float-icon{font-size:20px}.float-nivel{top:-15px;right:-5px}.float-modulos{bottom:50px;left:-5px}.float-industrias{bottom:-10px;right:-5px}}
@media(max-width:480px){.plataforma-titulo{font-size:19px}.plataforma-features{grid-template-columns:1fr}.plataforma-precio{flex-direction:column;align-items:center}.plataforma-ctas{flex-direction:column;align-items:center}.btn-plataforma-primary,.btn-plataforma-secondary{width:100%;justify-content:center}.float-modulos{display:none}}