/* ==================== VARIABLES ==================== */
:root{
  --black:#0a0a0c;
  --dark:#1d1d1f;
  --gray-light:#f5f5f7;
  --gray:#86868b;
  --gray-border:#e5e5e7;
  --accent:#e4002b;
  --accent-dark:#b4001f;
  --white:#ffffff;
  --whatsapp:#25d366;
  --radius-sm:10px;
  --radius:18px;
  --radius-lg:28px;
  --shadow:0 20px 40px rgba(0,0,0,.08);
  --transition:.35s cubic-bezier(.4,0,.2,1);
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}

html{scroll-behavior:smooth;}

body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--dark);
  background:var(--white);
  overflow-x:hidden;
  line-height:1.5;
}

h1,h2,h3,h4{
  font-family:'Poppins',sans-serif;
  line-height:1.15;
  font-weight:700;
}

img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
ul{list-style:none;}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ==================== BUTTONS ==================== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 30px;
  border-radius:100px;
  font-weight:600;
  font-size:.95rem;
  transition:transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn-primary{background:var(--accent);color:var(--white);}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);}
.btn-light{background:var(--white);color:var(--black);}
.btn-light:hover{transform:translateY(-2px);}
.btn-nav{
  background:var(--black);color:var(--white);
  padding:10px 22px;font-size:.85rem;
  display:none;
}
.btn-icon{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--black);color:var(--white);
  transition:transform var(--transition), background var(--transition);
}
.btn-icon:hover{background:var(--accent);transform:scale(1.1);}
.btn-icon svg{width:16px;height:16px;}

/* pulse effect reused on key CTAs */
.btn-pulse{position:relative;}
.btn-pulse::after{
  content:"";
  position:absolute;inset:0;
  border-radius:inherit;
  box-shadow:0 0 0 0 rgba(228,0,43,.5);
  animation:btn-pulse 2.4s infinite;
  pointer-events:none;
}
.btn-light.btn-pulse::after{box-shadow:0 0 0 0 rgba(255,255,255,.55);}
@keyframes btn-pulse{
  0%{box-shadow:0 0 0 0 rgba(228,0,43,.45);}
  70%{box-shadow:0 0 0 16px rgba(228,0,43,0);}
  100%{box-shadow:0 0 0 0 rgba(228,0,43,0);}
}

/* ==================== NAVBAR ==================== */
.navbar{
  position:fixed;top:0;left:0;width:100%;
  z-index:1000;
  padding:18px 0;
  background:transparent;
  transition:background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.navbar.scrolled{
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  padding:12px 0;
  box-shadow:0 2px 20px rgba(0,0,0,.06);
}
.nav-container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.logo{
  font-family:'Poppins',sans-serif;
  font-weight:800;
  font-size:1.4rem;
  color:var(--white);
  letter-spacing:-.5px;
  transition:color var(--transition);
  white-space:nowrap;
}
.navbar.scrolled .logo{color:var(--black);}
.logo span{color:var(--accent);}

.nav-links{
  display:flex;
  gap:34px;
  flex:1;
  justify-content:center;
}
.nav-link{
  position:relative;
  font-size:.92rem;
  font-weight:500;
  color:rgba(255,255,255,.9);
  transition:color var(--transition);
  padding:6px 0;
}
.navbar.scrolled .nav-link{color:var(--dark);}
.nav-link::after{
  content:"";
  position:absolute;left:0;bottom:-2px;
  width:0;height:2px;
  background:var(--accent);
  transition:width var(--transition);
}
.nav-link:hover,.nav-link.active{color:var(--accent);}
.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active{color:var(--accent);}
.nav-link:hover::after,.nav-link.active::after{width:100%;}

.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  width:26px;
  z-index:1100;
}
.nav-toggle span{
  height:2px;width:100%;
  background:var(--white);
  border-radius:2px;
  transition:var(--transition);
}
.navbar.scrolled .nav-toggle span{background:var(--black);}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.active span:nth-child(2){opacity:0;}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ==================== HERO SLIDER ==================== */
.hero{
  position:relative;
  height:100vh;
  min-height:640px;
  width:100%;
  overflow:hidden;
  background:var(--black);
}
.slider{position:relative;width:100%;height:100%;}
.slide{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  opacity:0;
  visibility:hidden;
  transform:scale(1.08);
  transition:opacity 1.2s ease, transform 6s ease, visibility 1.2s;
}
.slide.active{
  opacity:1;
  visibility:visible;
  transform:scale(1);
  z-index:1;
}
.slide-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,.35) 0%,rgba(0,0,0,.25) 40%,rgba(0,0,0,.65) 100%);
}
.slide-content{
  position:relative;z-index:2;
  height:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  color:var(--white);
  max-width:640px;
}
.slide-tag{
  display:inline-block;
  padding:6px 16px;
  border:1px solid rgba(255,255,255,.5);
  border-radius:100px;
  font-size:.8rem;
  font-weight:600;
  letter-spacing:.5px;
  margin-bottom:20px;
  width:fit-content;
  backdrop-filter:blur(6px);
}
.slide-content h1{
  font-size:clamp(2.4rem,5.5vw,4.2rem);
  margin-bottom:16px;
}
.slide-content p{
  font-size:1.15rem;
  color:rgba(255,255,255,.85);
  margin-bottom:32px;
  max-width:480px;
}

.slider-arrow{
  position:absolute;top:50%;
  transform:translateY(-50%);
  width:48px;height:48px;
  border-radius:50%;
  background:rgba(255,255,255,.15);
  backdrop-filter:blur(8px);
  color:var(--white);
  display:flex;align-items:center;justify-content:center;
  z-index:5;
  transition:background var(--transition), transform var(--transition);
}
.slider-arrow:hover{background:rgba(255,255,255,.3);transform:translateY(-50%) scale(1.08);}
.slider-arrow.prev{left:24px;}
.slider-arrow.next{right:24px;}
.slider-arrow svg{width:20px;height:20px;}

.slider-dots{
  position:absolute;bottom:100px;left:50%;
  transform:translateX(-50%);
  display:flex;gap:10px;
  z-index:5;
}
.slider-dot{
  width:10px;height:10px;
  border-radius:50%;
  background:rgba(255,255,255,.4);
  cursor:pointer;
  transition:var(--transition);
}
.slider-dot.active{background:var(--white);width:28px;border-radius:6px;}

.scroll-down{
  position:absolute;bottom:36px;left:50%;
  transform:translateX(-50%);
  color:var(--white);
  z-index:5;
  animation:bounce 2s infinite;
  opacity:.85;
}
@keyframes bounce{
  0%,100%{transform:translate(-50%,0);}
  50%{transform:translate(-50%,8px);}
}

/* ==================== VIDEOS FLOTANTES ==================== */
.videos-float{
  padding:80px 0 40px;
  background:var(--white);
}
.videos-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:34px;
  max-width:940px;
  margin:0 auto;
}
.video-float-card{
  position:relative;
  aspect-ratio:9/16;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--black);
  box-shadow:0 24px 45px rgba(0,0,0,.18);
  animation:video-float 5s ease-in-out infinite;
  animation-delay:var(--delay,0s);
  cursor:pointer;
}
@keyframes video-float{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-16px);}
}
.video-float-card video{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
}
.video-mute-btn{
  position:absolute;
  top:14px;right:14px;
  width:38px;height:38px;
  border-radius:50%;
  background:rgba(0,0,0,.45);
  backdrop-filter:blur(6px);
  color:var(--white);
  display:flex;align-items:center;justify-content:center;
  z-index:3;
  transition:background var(--transition), transform var(--transition);
}
.video-mute-btn:hover{background:rgba(0,0,0,.65);transform:scale(1.08);}
.video-mute-btn svg{width:18px;height:18px;}
.video-caption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:34px 18px 18px;
  background:linear-gradient(0deg,rgba(0,0,0,.85) 0%,rgba(0,0,0,0) 100%);
  color:var(--white);
  z-index:2;
  display:flex;flex-direction:column;gap:2px;
}
.video-caption strong{font-size:.98rem;}
.video-caption span{font-size:.8rem;color:rgba(255,255,255,.75);}

/* ==================== CATEGORY SELECTOR ==================== */
.category-selector{
  padding:40px 0 90px;
  background:var(--white);
  position:relative;
  margin-top:-70px;
  z-index:10;
}
.category-pills{
  display:flex;
  justify-content:center;
  gap:10px;
  background:var(--gray-light);
  border-radius:100px;
  padding:10px;
  max-width:fit-content;
  margin:0 auto 44px;
  box-shadow:var(--shadow);
  flex-wrap:wrap;
}
.category-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  padding:16px 26px;
  border-radius:100px;
  color:var(--dark);
  transition:background var(--transition), color var(--transition), transform var(--transition);
}
.category-item svg{width:26px;height:26px;}
.category-item span{font-size:.85rem;font-weight:600;}
.category-item:hover{transform:translateY(-2px);}
.category-item.active{
  background:var(--black);
  color:var(--white);
}

.category-panel{
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:center;
  gap:60px;
  background:var(--gray-light);
  border-radius:var(--radius-lg);
  padding:60px;
  min-height:340px;
  opacity:1;
  transition:opacity .3s ease;
}
.category-panel.fading{opacity:0;}
.category-panel-media{
  display:flex;
  align-items:center;
  justify-content:center;
  height:260px;
  border-radius:var(--radius);
  color:var(--white);
}
.category-panel-media svg{width:110px;height:110px;}
.category-panel-info span.eyebrow{margin-bottom:10px;}
.category-panel-info h3{font-size:2rem;margin-bottom:12px;}
.category-panel-info p{color:var(--gray);margin-bottom:24px;max-width:420px;}
.category-panel-info .price{
  display:block;
  font-size:1.3rem;
  font-weight:700;
  margin-bottom:24px;
}

/* ==================== SECTIONS COMMON ==================== */
.section{padding:110px 0;}
.section.alt{background:var(--gray-light);}
.section-head{
  text-align:center;
  max-width:640px;
  margin:0 auto 60px;
}
.eyebrow{
  display:inline-block;
  color:var(--accent);
  font-weight:700;
  font-size:.85rem;
  letter-spacing:1.5px;
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-head h2, .split-text h2{
  font-size:clamp(1.9rem,3.5vw,2.6rem);
  margin-bottom:16px;
}
.section-head p{color:var(--gray);font-size:1.05rem;}

/* ==================== NOSOTROS ==================== */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:70px;
  align-items:center;
}
.media-frame{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:1/1;}
.floating-card{
  position:absolute;
  bottom:24px;left:24px;
  background:var(--white);
  padding:18px 24px;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
}
.floating-card strong{font-size:1.8rem;color:var(--accent);font-family:'Poppins',sans-serif;}
.floating-card span{font-size:.8rem;color:var(--gray);}

.split-text p{color:var(--gray);margin-bottom:30px;font-size:1.05rem;}

.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-bottom:36px;
}
.stat-item{display:flex;flex-direction:column;}
.stat-number{
  font-family:'Poppins',sans-serif;
  font-size:2rem;
  font-weight:800;
  color:var(--black);
}
.stat-label{font-size:.8rem;color:var(--gray);}

/* ==================== PRODUCTOS ==================== */
.products-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.product-card{
  background:var(--white);
  border-radius:var(--radius);
  padding:28px;
  position:relative;
  box-shadow:0 8px 24px rgba(0,0,0,.05);
  transition:transform var(--transition), box-shadow var(--transition);
}
.product-card:hover{
  transform:translateY(-8px);
  box-shadow:0 24px 40px rgba(0,0,0,.1);
}
.product-media{
  height:180px;
  border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;
  color:var(--white);
}
.product-media svg{width:70px;height:70px;}
.grad-1{background:linear-gradient(135deg,#111,#3a3a3c);}
.grad-2{background:linear-gradient(135deg,#e4002b,#ff6b6b);}
.grad-3{background:linear-gradient(135deg,#7b2ff7,#f107a3);}
.grad-4{background:linear-gradient(135deg,#ff6a00,#ee0979);}
.grad-5{background:linear-gradient(135deg,#232526,#414345);}
.grad-6{background:linear-gradient(135deg,#11998e,#38ef7d);}

.product-tag{
  position:absolute;
  top:24px;right:24px;
  background:var(--black);
  color:var(--white);
  font-size:.7rem;
  font-weight:700;
  padding:5px 12px;
  border-radius:100px;
  text-transform:uppercase;
}
.product-card h3{font-size:1.2rem;margin-bottom:4px;}
.product-card p{color:var(--gray);font-size:.9rem;margin-bottom:18px;}
.product-footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.price{font-weight:700;font-size:1.05rem;}

/* ==================== CLIENTES ==================== */
.testimonial-slider{overflow:hidden;margin-bottom:60px;}
.testimonials-track{
  display:flex;
  gap:26px;
  animation:scroll-testimonials 30s linear infinite;
  width:max-content;
}
.testimonial-slider:hover .testimonials-track{animation-play-state:paused;}
@keyframes scroll-testimonials{
  0%{transform:translateX(0);}
  100%{transform:translateX(calc(-100% / 2));}
}
.testimonial-card{
  background:var(--gray-light);
  border-radius:var(--radius);
  padding:32px;
  width:340px;
  flex-shrink:0;
}
.stars{color:#ffb400;letter-spacing:2px;margin-bottom:14px;}
.testimonial-card p{color:var(--dark);margin-bottom:22px;font-size:.95rem;}
.testimonial-author{display:flex;align-items:center;gap:12px;}
.testimonial-author img{width:44px;height:44px;border-radius:50%;object-fit:cover;}
.testimonial-author strong{display:block;font-size:.9rem;}
.testimonial-author span{font-size:.8rem;color:var(--gray);}

.clients-logos{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:50px;
  opacity:.5;
  font-weight:700;
  letter-spacing:1px;
  font-size:.85rem;
}

/* ==================== BENEFICIOS ==================== */
.benefits-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:30px;
}
.benefit-card{
  background:var(--white);
  border-radius:var(--radius);
  padding:36px 30px;
  text-align:center;
  box-shadow:0 8px 24px rgba(0,0,0,.05);
  transition:transform var(--transition);
}
.benefit-card:hover{transform:translateY(-6px);}
.benefit-icon{
  width:66px;height:66px;
  border-radius:50%;
  background:var(--black);
  color:var(--white);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 22px;
  position:relative;
}
.pulse-icon::before{
  content:"";
  position:absolute;inset:0;
  border-radius:50%;
  border:2px solid var(--accent);
  animation:icon-pulse 2.6s infinite;
}
@keyframes icon-pulse{
  0%{transform:scale(1);opacity:.7;}
  70%{transform:scale(1.6);opacity:0;}
  100%{opacity:0;}
}
.benefit-card h3{font-size:1.15rem;margin-bottom:10px;}
.benefit-card p{color:var(--gray);font-size:.92rem;}

/* ==================== SERVICE TÉCNICO / REPUESTOS ==================== */
.parts-tags{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  justify-content:center;
  margin:56px 0 40px;
}
.parts-tags-label{
  font-weight:600;
  color:var(--dark);
  margin-right:6px;
}
.parts-tag{
  padding:9px 18px;
  border-radius:100px;
  background:var(--gray-light);
  border:1px solid var(--gray-border);
  font-size:.85rem;
  font-weight:500;
  color:var(--dark);
  transition:transform var(--transition), background var(--transition), color var(--transition);
}
.parts-tag:hover{
  background:var(--black);
  color:var(--white);
  transform:translateY(-2px);
}

.service-cta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  background:var(--black);
  color:var(--white);
  border-radius:var(--radius-lg);
  padding:44px 50px;
}
.service-cta h3{font-size:1.5rem;margin-bottom:8px;}
.service-cta p{color:rgba(255,255,255,.65);}

/* ==================== FOOTER / CONTACTO ==================== */
.footer{
  background:var(--black);
  color:var(--white);
  padding:110px 0 0;
}
.footer-top{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:70px;
  padding-bottom:80px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-contact p{color:rgba(255,255,255,.6);margin-bottom:34px;font-size:1.02rem;}

.footer-contact-list{
  display:flex;
  flex-direction:column;
  gap:20px;
  margin-bottom:34px;
}
.footer-contact-list li{
  display:flex;
  align-items:center;
  gap:16px;
}
.footer-contact-list svg{
  width:22px;height:22px;
  flex-shrink:0;
  color:var(--accent);
}
.footer-contact-list div{display:flex;flex-direction:column;gap:2px;}
.footer-contact-list strong{font-size:.78rem;font-weight:600;letter-spacing:.5px;text-transform:uppercase;color:rgba(255,255,255,.5);}
.footer-contact-list a{
  font-size:1rem;
  color:var(--white);
  transition:color var(--transition);
}
.footer-contact-list a:hover{color:var(--accent);}

.footer-info{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  align-content:start;
}
.info-block h4{
  font-size:1rem;
  margin-bottom:18px;
  color:var(--white);
}
.info-block ul{display:flex;flex-direction:column;gap:14px;}
.info-block li{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:.92rem;
  color:rgba(255,255,255,.75);
}
.info-block li svg{width:18px;height:18px;flex-shrink:0;color:var(--accent);}
.badges-list li svg{color:#34d399;}
.info-block li a{transition:color var(--transition);}
.info-block li a:hover{color:var(--white);text-decoration:underline;}

.social-links{display:flex;gap:12px;}
.social-links a{
  width:42px;height:42px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
  transition:background var(--transition), transform var(--transition);
}
.social-links a:hover{background:var(--accent);transform:translateY(-3px);}

.footer-bottom{padding:26px 0;margin-top:20px;}
.footer-bottom-inner a{color:rgba(255,255,255,.7);transition:color var(--transition);}
.footer-bottom-inner a:hover{color:var(--accent);}
.footer-bottom-inner{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  font-size:.8rem;
  color:rgba(255,255,255,.45);
}

/* ==================== WHATSAPP FLOAT BUTTON ==================== */
.whatsapp-btn{
  position:fixed;
  bottom:26px;right:26px;
  width:62px;height:62px;
  background:var(--whatsapp);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--white);
  box-shadow:0 10px 30px rgba(37,211,102,.5);
  z-index:999;
  transition:transform var(--transition);
}
.whatsapp-btn:hover{transform:scale(1.08);}
.whatsapp-btn svg{width:30px;height:30px;fill:currentColor;stroke:none;position:relative;z-index:2;}
.whatsapp-btn .pulse-ring{
  position:absolute;inset:0;
  border-radius:50%;
  background:var(--whatsapp);
  animation:wa-pulse 2.2s infinite;
  z-index:1;
}
@keyframes wa-pulse{
  0%{transform:scale(1);opacity:.7;}
  100%{transform:scale(1.9);opacity:0;}
}

/* ==================== SCROLL REVEAL ==================== */
.reveal{
  opacity:0;
  transform:translateY(40px);
  transition:opacity .8s ease, transform .8s ease;
}
.reveal.in-view{
  opacity:1;
  transform:translateY(0);
}
/* Safety net: never let content stay invisible if JS fails or on print/PDF export */
.no-js .reveal,
.reveal.js-fallback{
  opacity:1;
  transform:none;
}
@media print{
  .reveal{opacity:1 !important;transform:none !important;}
}
@media (prefers-reduced-motion: reduce){
  .reveal{transition:none;}
}

/* ==================== RESPONSIVE ==================== */
@media (max-width:1024px){
  .split,.category-panel,.footer-top{grid-template-columns:1fr;}
  .category-panel{gap:36px;padding:44px;}
  .products-grid,.benefits-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .videos-grid{max-width:620px;gap:24px;}
}

@media (max-width:860px){
  .btn-nav{display:none !important;}
  .nav-links{
    position:fixed;top:0;right:-100%;
    height:100vh;width:min(320px,80%);
    background:var(--white);
    flex-direction:column;
    justify-content:center;
    gap:28px;
    padding:40px;
    transition:right var(--transition);
    box-shadow:-10px 0 30px rgba(0,0,0,.1);
  }
  .nav-links.open{right:0;}
  .nav-link{color:var(--dark) !important;font-size:1.1rem;}
  .nav-toggle{display:flex;}
  .category-pills{
    overflow-x:auto;
    max-width:100%;
    justify-content:flex-start;
    -webkit-overflow-scrolling:touch;
  }
}

@media (max-width:640px){
  .section{padding:80px 0;}
  .products-grid,.benefits-grid,.stats-grid{grid-template-columns:1fr;}
  .footer-contact-list li{align-items:flex-start;}
  .slider-arrow{display:none;}
  .category-panel{padding:30px;}
  .footer-bottom-inner{flex-direction:column;text-align:center;}
  .whatsapp-btn{width:56px;height:56px;bottom:18px;right:18px;}
  .videos-grid{grid-template-columns:1fr;max-width:280px;}
  .video-float-card{animation:none;}
}