/* ===== VirtualTec - estilos puros ===== */
:root{
  --primario:#0170B9;
  --oscuro:#4B4F58;
  --gris:#3a3a3a;
  --gris-claro:#F2F5F7;
  --blanco:#FFFFFF;
  --negro:#000000;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Oxygen-Sans",Ubuntu,Cantarell,"Helvetica Neue",sans-serif;
  color:var(--gris);
  font-size:15px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{font-weight:700}
.menu-link,.main-menu>li>a,.site-footer .footer-brand h3,label{font-weight:600}
img{max-width:100%;height:auto;vertical-align:middle;border:0}
a{color:var(--primario);text-decoration:none}
ul{list-style:none}

/* ===== HEADER ===== */
#masthead{position:sticky;top:0;z-index:1000;background:#3a3a3a;box-shadow:0 2px 6px rgba(0,0,0,.25)}
.site-header{display:grid;grid-template-areas:"left menu right";grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;padding:10px 24px;width:100%}
.header-left{grid-area:left;display:flex;align-items:center;gap:14px;justify-content:flex-start}
.header-left .logo img{width:80px;height:40px}
.header-left .cart-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;background:transparent;color:#fff}
.header-left .cart-btn svg{width:30px;height:30px;fill:currentColor;display:block}
.main-menu{grid-area:menu;display:flex;align-items:center;justify-content:center;gap:4px}
.main-menu>li{position:relative}
.main-menu>li>a{display:block;padding:10px 14px;color:#fff;font-family:"Open Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Ubuntu,Cantarell,sans-serif;font-weight:400;font-size:16px;letter-spacing:.4px}
.main-menu>li>a:hover,.main-menu>li>a.active{color:#fff}
.main-menu .caret{font-size:10px;margin-left:4px}
.main-menu .dropdown{display:none;position:absolute;top:100%;left:0;background:#3a3a3a;box-shadow:0 6px 18px rgba(0,0,0,.25);min-width:240px;z-index:50}
.main-menu .dropdown a{display:block;padding:11px 16px;color:#fff;font-size:13px;font-family:"Open Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Ubuntu,Cantarell,sans-serif;border-bottom:1px solid rgba(255,255,255,.1)}
.main-menu .dropdown a:hover{background:#4a4a4a;color:#fff}
.main-menu>li:hover>.dropdown{display:block}
.header-right{grid-area:right;display:flex;align-items:center;justify-content:flex-end;gap:8px}
.social{display:inline-flex;align-items:center;justify-content:center;width:auto;height:auto;transition:opacity .2s}
.social svg{width:30px;height:30px;fill:currentColor;display:block}
.social:hover{opacity:.8}
.social.fb,.social.dark.fb{color:#557dbc}
.social.ig,.social.dark.ig{color:#8a3ab9}
.social.li,.social.dark.li{color:#0077b5}
.social.yt,.social.dark.yt{color:#cd201f}
.menu-toggle{display:none;justify-self:end;background:none;border:1px solid #555;border-radius:6px;font-size:20px;padding:6px 12px;cursor:pointer;color:#fff}

/* ===== SLIDER HERO ===== */
.hero-slider{position:relative;width:100%;overflow:hidden}
.hero-slider .slides{position:relative;height:600px}
.hero-slider .slide{position:absolute;inset:0;opacity:0;transition:opacity .9s ease}
.hero-slider .slide.active{opacity:1;z-index:1}
.hero-slider .slide img{width:100%;height:100%;object-fit:cover}
.slider-bullets{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.slider-bullets .bullet{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;border:1px solid rgba(0,0,0,.2)}
.slider-bullets .bullet.active{background:#fff;transform:scale(1.15)}

/* ===== SECCIONES ===== */
.container{max-width:1200px;margin:0 auto;padding:70px 24px}
.container.narrow{max-width:900px}
.section-title{font-size:30px;font-weight:700;text-align:center;margin-bottom:40px;font-family:"Hahmlet",Georgia,"Times New Roman",serif}
.section-title.dark{color:#fff}
.dark-bg{background:var(--oscuro)}

/* Tarjetas productos */
.cards-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.card{display:block;position:relative;background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 6px 18px rgba(0,0,0,.12)}
.card img{width:100%;height:auto;aspect-ratio:3/4;object-fit:cover;display:block}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 26px rgba(0,0,0,.18)}
.card-label{position:absolute;top:0;left:0;right:0;text-align:center;padding:0 10px;font-family:"Hahmlet",Georgia,"Times New Roman",serif;font-weight:400;font-size:15px;line-height:1.2;color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.85);z-index:2}
.card-label.bottom{top:auto;bottom:0}
#soluciones .section-title{font-family:"Hahmlet",Georgia,"Times New Roman",serif}

/* Acerca de */
.acerca{background:#fff;color:var(--oscuro)}
.acerca .section-title{color:var(--oscuro);font-family:"Hahmlet",Georgia,"Times New Roman",serif}
.acerca p{font-family:"Hahmlet",Georgia,"Times New Roman",serif}
.acerca p{text-align:center;max-width:820px;margin:0 auto 18px}
.acerca-media{position:relative;max-width:900px;margin:30px auto 0}
.video-wrapper{width:100%;aspect-ratio:16/9;border-radius:12px;overflow:hidden}
.video-wrapper iframe{width:100%;height:100%;border:0}
.mascota{width:176px;height:auto}
.acerca-media .mascota-1{position:absolute;right:0;bottom:-63px;width:200px;height:auto;transform:translateX(50%);z-index:2}

/* Logo clientes */
.logos-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(231px,1fr));gap:20px;align-items:center}
.logos-grid figure{display:flex;align-items:center;justify-content:center}
.logos-grid img{width:231px;max-width:100%;height:auto;object-fit:contain;filter:grayscale(10%)}
.logos-grid img.logo-parquet{width:270px}
.logos-grid img.logo-colegio{width:160px}

/* App a la medida */
.apps{background:var(--oscuro);color:#fff}
.apps-layout{display:flex;align-items:flex-start;justify-content:center;gap:30px}
.app-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:20px}
.app-col img{width:344px;max-width:100%;height:auto}
.mascota-2{width:344px;max-width:100%;height:auto}

/* Sistemas */
.sistemas-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.sistemas-grid img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
.sistemas-title{font-family:"Hahmlet",Georgia,"Times New Roman",serif}

/* Fabrica de software */
.fabrica{background:#0d71b4;color:#fff}
.fabrica-title{color:#fbc02d;font-size:34px;text-align:center;margin-bottom:28px;font-family:"Hahmlet",Georgia,"Times New Roman",serif}
.fabrica-intro{display:grid;grid-template-columns:1fr 1.4fr 1fr;align-items:center;gap:28px}
.fabrica-text{text-align:right;grid-column:2}
.fabrica-lead{font-size:18px;font-weight:700;margin-bottom:8px}
.fabrica-confidencial{font-weight:700}
.fabrica-img{grid-column:3;width:100%;max-width:100%}
.fabrica-rows{margin-top:36px;display:flex;flex-direction:column;gap:34px}
.fab-row{display:grid;grid-template-columns:1fr 1.4fr 1fr;gap:28px;align-items:start;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.18)}
.fab-row:last-child{border-bottom:none;padding-bottom:0}
.fab-step{font-size:22px;color:#fbc02d;margin-bottom:10px;font-family:"Hahmlet",Georgia,"Times New Roman",serif}
.fab-tags{color:#ff6900;font-weight:600;line-height:1.6}
.fab-desc p{font-size:14px;line-height:1.7}
.side-title{color:#cf2e2e;font-size:17px;margin-bottom:10px}
.fab-side p{font-size:14px;line-height:1.7;margin-bottom:10px}
.fab-side ul{list-style:disc;padding-left:20px}
.fab-side li{margin-bottom:6px;font-size:14px}

/* Contacto */
.contacto{background:linear-gradient(145deg,#1b2a4a 0%,#0f172a 100%);color:#fff}
.contacto .section-title{color:#fff}
.contacto-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:start}
.contact-form label{display:block;font-weight:600;margin-bottom:4px}
.form-message{display:none;padding:12px 14px;border-radius:8px;margin-bottom:14px;font-weight:600}
.form-message.ok{display:block;background:#d4edda;color:#155724;border:1px solid #c3e6cb}
.form-message.error{display:block;background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}
.contact-form input,.contact-form textarea{width:100%;padding:12px;margin-bottom:14px;border:1px solid #ccc;border-radius:8px;font:inherit}
.btn-submit{background:var(--primario);color:#fff;border:none;padding:13px 28px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer}
.btn-submit:hover{background:#015f9e}
.mapa{position:relative;text-align:center}
.mapa h3{font-family:"Hahmlet",Georgia,"Times New Roman",serif}
.mapa .mascota-3{width:200px;margin:0 auto 16px}

/* ===== FOOTER ===== */
.site-footer{background:#2b2f36;color:#fff;padding:50px 24px 20px}
.footer-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:24px}
.footer-social{display:flex;gap:10px}
.footer-brand h3{margin-bottom:14px;font-size:18px}
.store-badges{display:flex;gap:12px}
.store-badges img{height:48px;width:auto}
.copyright{text-align:center;margin-top:30px;padding-top:16px;border-top:1px solid rgba(255,255,255,.15);font-size:13px;color:#ccc}

/* ===== WHATSAPP ===== */
.whatsapp-btn{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(0,0,0,.3);z-index:900;animation:pulse 2s infinite}
.whatsapp-btn svg{width:32px;height:32px;fill:currentColor;display:block}
.whatsapp-btn:hover{transform:scale(1.05)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 14px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  .cards-grid{grid-template-columns:repeat(3,1fr)}
  .sistemas-grid{grid-template-columns:repeat(3,1fr)}
  .logos-grid{grid-template-columns:repeat(4,1fr)}
  .hero-slider .slides{height:380px}
}
@media (max-width:781px){
  .site-header{display:flex;flex-wrap:wrap;position:relative}
  .main-menu{order:5;width:100%}
  .menu-toggle{display:flex;margin-left:auto}
  .main-menu{display:none;flex-direction:column;background:#3a3a3a}
  .main-menu.open{display:flex}
  .main-menu>li{width:100%}
  .main-menu .dropdown{position:static;box-shadow:none;display:none;background:#4a4a4a;min-width:0}
  .main-menu .dropdown a{color:#fff;border-bottom:1px solid rgba(255,255,255,.1)}
  .main-menu .dropdown a:hover{background:#3a3a3a;color:#fff}
  .header-right{width:100%;justify-content:flex-start;margin-left:0;margin-top:6px}
  .cards-grid,.sistemas-grid{grid-template-columns:repeat(2,1fr)}
  .logos-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}
  .contacto-layout{grid-template-columns:1fr}
  .hero-slider .slides{height:auto}
  .hero-slider .slide{position:static;display:none;opacity:1;height:auto;transition:none}
  .hero-slider .slide.active{display:block}
  .hero-slider .slide img{height:auto}
  .apps-layout{flex-direction:column;align-items:center}
  .mascota-2{width:344px;max-width:100%}
  .acerca-media .mascota-1{position:static;transform:none;margin:10px auto 0;display:block}
  .fabrica-intro{grid-template-columns:1fr;text-align:left}
  .fabrica-text{grid-column:auto}
  .fabrica-img{grid-column:auto}
  .fab-row{grid-template-columns:1fr;gap:12px}
}
@media (max-width:480px){
  .cards-grid,.sistemas-grid,.logos-grid{grid-template-columns:repeat(2,1fr)}
}