:root{
    --steel:#4795a8;
    --steel-soft:#e7f1f4;
    --petrol:#16495a;
    --petrol-deep:#0f3643;
    --gray-text:#4d4d4d;
    --black:#1d1d1f;
    --gray:#6e6e73;
    --bg:#fff;
    --bg-soft:#f5f6f7;
    --line:#d6dadd;
    --radius:18px;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;}
  body{
    font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Helvetica Neue",Helvetica,Arial,sans-serif;
    color:var(--black);background:var(--bg);line-height:1.47;letter-spacing:-.01em;
  }
  a{text-decoration:none;color:inherit;}
  img{max-width:100%;display:block;}
  .container{width:min(1080px,90%);margin-inline:auto;}

  .link{color:var(--petrol);font-size:1.1rem;font-weight:500;display:inline-flex;align-items:center;gap:.15em;}
  .link:hover{text-decoration:underline;}
  .link::after{content:"›";font-size:1.2em;line-height:0;}
  .link.on-dark{color:#fff;}

  .btn{display:inline-flex;align-items:center;justify-content:center;
    background:var(--petrol);color:#fff;font-size:1.05rem;padding:.55em 1.3em;
    border-radius:980px;border:0;cursor:pointer;transition:.25s;}
  .btn:hover{background:var(--steel);transform:translateY(-2px);}
  .btn.solid-light{background:#fff;color:var(--petrol);}
  .btn.solid-light:hover{background:var(--steel-soft);}

  /* ===== NAV ===== */
  header{position:fixed;inset:0 0 auto 0;z-index:100;height:62px;
    background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(20px);
    border-bottom:1px solid rgba(0,0,0,.08);}
  .nav{display:flex;align-items:center;justify-content:space-between;height:62px;}
  .nav .logo img{height:46px;width:auto;}
  .nav-links{display:flex;gap:1.9rem;list-style:none;}
  .nav-links a{font-size:.85rem;color:var(--gray-text);opacity:.9;transition:.2s;}
  .nav-links a:hover{color:var(--petrol);opacity:1;}
  .burger{display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;}
  .burger span{width:20px;height:2px;background:var(--gray-text);transition:.3s;}

  /* ===== HERO ===== */
  .hero{margin-top:62px;min-height:min(88vh,680px);display:flex;align-items:center;justify-content:center;
    text-align:center;color:#fff;position:relative;overflow:hidden;background:var(--petrol);}
  .hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}
  .hero-overlay{position:absolute;inset:0;z-index:1;
    background:linear-gradient(180deg,rgba(15,54,67,.78),rgba(22,73,90,.84));}
  .hero-inner{position:relative;z-index:2;padding:80px 20px;max-width:860px;}
  .hero h1{font-size:clamp(2.6rem,6.5vw,4.2rem);font-weight:700;letter-spacing:-.03em;line-height:1.04;}
  .hero h1 span{background:linear-gradient(100deg,#6fc3d6,#4795a8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
  .hero .sub{font-size:clamp(1.2rem,3.5vw,1.6rem);font-weight:500;margin-top:.5em;color:#eaf2f4;}
  .hero .pitch{font-size:1.15rem;color:#d3e2e7;max-width:620px;margin:1.1em auto 0;}
  .hero-actions{display:flex;gap:1.2rem;justify-content:center;margin-top:1.8em;flex-wrap:wrap;align-items:center;}
  .scroll-cue{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);z-index:2;color:#cfe2e7;font-size:1.6rem;animation:bob 1.8s ease-in-out infinite;}
  @keyframes bob{0%,100%{transform:translateX(-50%) translateY(0);}50%{transform:translateX(-50%) translateY(8px);}}

  /* ===== Tech strip ===== */
  .tech{background:var(--petrol-deep);color:#cfe2e7;padding:18px 0;}
  .tech .container{display:flex;gap:14px 38px;align-items:center;justify-content:center;flex-wrap:wrap;font-weight:600;letter-spacing:.04em;font-size:.95rem;}
  .tech .label{color:#7fa9b6;font-weight:500;letter-spacing:.12em;text-transform:uppercase;font-size:.74rem;}
  .tech b{color:#fff;}

  .media{display:block;width:100%;height:100%;object-fit:cover;transition:transform .8s ease;}

  /* ===== Section head ===== */
  .head{text-align:center;max-width:680px;margin:0 auto;}
  .eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:.78rem;font-weight:700;color:var(--steel);}

  /* ===== Services tiles (imagen + degradado + texto) ===== */
  .services{padding:90px 0 30px;text-align:center;}
  .services h2{font-size:clamp(2rem,5vw,2.7rem);font-weight:700;letter-spacing:-.02em;color:var(--petrol);margin:.3em 0 .1em;}
  .services .sub{color:var(--gray);font-size:1.15rem;margin-bottom:50px;}
  .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}

  .stile{position:relative;height:300px;border-radius:var(--radius);overflow:hidden;transition:.3s;}
  .stile:hover{transform:translateY(-6px);box-shadow:0 24px 50px -28px rgba(22,73,90,.55);}
  .stile-bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .8s ease;}
  .stile:hover .stile-bg{transform:scale(1.06);}
  .stile-grad{position:absolute;inset:0;z-index:1;transition:.4s;
    background:linear-gradient(to top,rgba(15,54,67,.94) 0%,rgba(15,54,67,.55) 38%,rgba(15,54,67,0) 72%);}
  .stile:hover .stile-grad{background:linear-gradient(to top,rgba(15,54,67,.96) 0%,rgba(15,54,67,.62) 46%,rgba(22,73,90,.12) 88%);}
  .stile-text{position:absolute;left:0;right:0;bottom:0;z-index:3;text-align:left;color:#fff;padding:24px;}
  .stile-text h3{font-size:1.32rem;font-weight:700;letter-spacing:-.01em;}
  .stile-text p{font-size:.93rem;color:#d6e4e8;margin-top:.35em;line-height:1.42;}

  /* Categorías (resumen + detalle) */
  .cat-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .cat-cards .stile{height:340px;}
  .cat-cue{display:inline-block;margin-top:.7em;font-weight:600;font-size:.86rem;color:#cfe7ee;}
  .cat-sec{padding:56px 0;}
  .cat-sec h2{font-size:clamp(1.8rem,4.5vw,2.4rem);font-weight:700;letter-spacing:-.02em;color:var(--petrol);margin:.25em 0 .1em;}
  .cat-sec .sub{color:var(--gray);font-size:1.08rem;margin-bottom:36px;}
  .cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;}
  @media(max-width:900px){.cat-cards{grid-template-columns:1fr;}}

  /* Imagen partida (industria / hogar) para Domótica */
  .split-bg{position:absolute;inset:0;display:flex;}
  .split-bg .half{flex:1;background-size:cover;background-position:center;transition:transform .8s ease;}
  .stile:hover .split-bg .half{transform:scale(1.06);}
  .split-bg::after{content:"";position:absolute;top:0;bottom:0;left:50%;width:2px;background:rgba(255,255,255,.7);transform:translateX(-50%);}
  /* Conectividad: móvil en el centro uniendo industria y hogar */
  .connect{position:absolute;left:9%;right:9%;top:42%;z-index:2;border-top:2px dashed rgba(255,255,255,.7);transform:translateY(-50%);}
  .connect::before,.connect::after{content:"";position:absolute;top:50%;width:9px;height:9px;border-radius:50%;
    background:var(--steel);transform:translateY(-50%);animation:ping 2s infinite;}
  .connect::before{left:-4px;}
  .connect::after{right:-4px;}
  @keyframes ping{0%{box-shadow:0 0 0 0 rgba(71,149,168,.6);}70%{box-shadow:0 0 0 11px rgba(71,149,168,0);}100%{box-shadow:0 0 0 0 rgba(71,149,168,0);}}
  .phone{position:absolute;top:42%;left:50%;transform:translate(-50%,-50%);z-index:4;
    width:52px;height:100px;border-radius:13px;background:#0d0f12;border:3px solid #30353d;box-shadow:0 12px 30px rgba(0,0,0,.55);}
  .phone::after{content:"";position:absolute;top:7px;left:50%;transform:translateX(-50%);width:14px;height:3px;border-radius:3px;background:#30353d;}
  .phone .screen{position:absolute;inset:8px;border-radius:7px;background:linear-gradient(160deg,#1d4f5e,#0f3643);display:grid;place-items:center;}
  .phone .screen img{width:26px;height:26px;}

  /* ===== Sección destacada: Averías / máquinas antiguas ===== */
  .feature{background:var(--petrol);color:#fff;padding:90px 0;position:relative;overflow:hidden;}
  .feature::before{content:"";position:absolute;top:-25%;right:-12%;width:55vw;height:55vw;z-index:0;
    background:radial-gradient(circle,rgba(71,149,168,.20),transparent 62%);}
  .feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;position:relative;z-index:1;}
  .feature-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:0 30px 60px -28px rgba(0,0,0,.6);}
  .feature-media img{width:100%;height:400px;object-fit:cover;display:block;transition:transform .8s ease;}
  .feature-media:hover img{transform:scale(1.05);}
  .feature-badge{position:absolute;top:16px;left:16px;background:var(--steel);color:#fff;font-weight:700;font-size:.8rem;
    padding:.5em 1.1em;border-radius:50px;box-shadow:0 8px 20px rgba(0,0,0,.35);letter-spacing:.02em;}
  .feature-text .eyebrow{color:#7fc4d6;}
  .feature-text h2{font-size:clamp(2rem,5vw,2.9rem);font-weight:700;letter-spacing:-.02em;margin:.35em 0 .45em;color:#fff;}
  .feature-text p{color:#cfe2e7;font-size:1.08rem;}
  .feat-list{list-style:none;margin:1.5em 0 2em;display:grid;gap:.75em;}
  .feat-list li{position:relative;padding-left:2.1em;color:#eaf2f4;font-size:1.02rem;}
  .feat-list li::before{content:"✓";position:absolute;left:0;top:.05em;width:1.5em;height:1.5em;display:grid;place-items:center;
    background:var(--steel);color:#fff;border-radius:50%;font-size:.8rem;font-weight:700;}
  @media(max-width:833px){.feature-grid{grid-template-columns:1fr;}.feature-media img{height:300px;}}

  /* ===== Duo ===== */
  .duo-wrap{padding:50px 0;}
  .duo{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .duo .panel{background:var(--bg-soft);text-align:center;padding:54px 24px 0;overflow:hidden;border-radius:var(--radius);}
  .duo .panel.dark{background:var(--petrol);color:#fff;}
  .duo .panel.dark h3{color:#fff;}
  .duo .panel.dark .ptag{color:var(--steel-soft);}
  .duo .panel.dark .pdesc{color:#bcd4db;}
  .duo h3{font-size:1.9rem;font-weight:700;letter-spacing:-.02em;color:var(--petrol);}
  .duo .ptag{font-size:1.1rem;color:var(--gray-text);margin-top:.25em;font-weight:500;}
  .duo .pdesc{font-size:1rem;color:var(--gray);margin-top:.4em;}
  .duo .links{margin-top:.9em;}
  .duo .panel-media{margin:28px auto 0;height:300px;overflow:hidden;border-radius:12px;background:rgba(0,0,0,.15);}
  .duo .panel-media:hover .media{transform:scale(1.05);}

  /* ===== Proyectos ===== */
  .projects{padding:90px 0;text-align:center;}
  .projects h2{font-size:clamp(2rem,5vw,2.7rem);font-weight:700;letter-spacing:-.02em;color:var(--petrol);margin:.3em 0 .1em;}
  .projects .sub{color:var(--gray);font-size:1.15rem;}
  .proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:46px;text-align:left;}
  .proj-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;}
  .proj-card:hover{transform:translateY(-6px);border-color:var(--steel);box-shadow:0 24px 50px -28px rgba(22,73,90,.5);}
  .proj-img{height:210px;overflow:hidden;position:relative;}
  .proj-img img{width:100%;height:100%;object-fit:cover;transition:.6s;}
  .proj-card:hover .proj-img img{transform:scale(1.06);}
  .proj-num{position:absolute;top:12px;left:12px;background:var(--petrol);color:#fff;font-size:.74rem;font-weight:700;
    padding:.35em .8em;border-radius:50px;letter-spacing:.06em;}
  .proj-body{padding:20px 22px 24px;}
  .proj-body h3{font-size:1.2rem;color:var(--petrol);font-weight:700;}
  .proj-body p{color:var(--gray);font-size:.95rem;margin:.4em 0 .9em;}
  .tags{display:flex;flex-wrap:wrap;gap:8px;}
  .tags span{background:var(--steel-soft);color:var(--petrol);font-size:.74rem;font-weight:600;padding:.35em .8em;border-radius:50px;}
  @media(max-width:900px){.proj-grid{grid-template-columns:1fr;}}

  /* ===== Cifras ===== */
  .stats{padding:70px 0;text-align:center;background:var(--bg-soft);}
  .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;}
  .stats .num{font-size:2.8rem;font-weight:700;letter-spacing:-.03em;color:var(--steel);}
  .stats .lbl{color:var(--gray);font-size:.98rem;margin-top:.2em;}

  /* ===== Galería / Carrusel ===== */
  .gallery{padding:90px 0;text-align:center;}
  .gallery h2{font-size:clamp(2rem,5vw,2.6rem);font-weight:700;letter-spacing:-.02em;color:var(--petrol);}
  .gallery .desc{color:var(--gray);font-size:1.15rem;margin:.5em auto 44px;max-width:560px;}
  .carousel{position:relative;max-width:1000px;margin:0 auto;border-radius:var(--radius);overflow:hidden;
    aspect-ratio:16/9;background:var(--petrol);box-shadow:0 30px 60px -30px rgba(22,73,90,.55);}
  .slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity 1.1s ease;}
  .slide.active{opacity:1;visibility:visible;}
  .slide img{width:100%;height:100%;object-fit:cover;}
  .slide.active img{animation:ken 7s ease-out forwards;}
  @keyframes ken{from{transform:scale(1.12);}to{transform:scale(1);}}
  .slide figcaption{position:absolute;left:0;right:0;bottom:0;padding:60px 28px 24px;text-align:left;color:#fff;
    font-size:1.15rem;font-weight:600;background:linear-gradient(transparent,rgba(15,54,67,.88));}
  .car-btn{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:46px;height:46px;border-radius:50%;
    border:0;cursor:pointer;background:rgba(255,255,255,.85);color:var(--petrol);font-size:1.5rem;line-height:1;
    display:grid;place-items:center;transition:.2s;backdrop-filter:blur(4px);}
  .car-btn:hover{background:#fff;transform:translateY(-50%) scale(1.08);}
  .car-btn.prev{left:16px;}.car-btn.next{right:16px;}
  .dots{display:flex;gap:10px;justify-content:center;margin-top:22px;flex-wrap:wrap;}
  .dots button{width:10px;height:10px;border-radius:50%;border:0;cursor:pointer;background:var(--line);transition:.25s;padding:0;}
  .dots button.active{background:var(--steel);width:26px;border-radius:6px;}

  /* ===== Clientes ===== */
  .clients{padding:90px 0;text-align:center;background:var(--bg-soft);}
  .clients h2{font-size:clamp(2rem,5vw,2.6rem);font-weight:700;letter-spacing:-.02em;color:var(--petrol);}
  .clients .desc{color:var(--gray);font-size:1.15rem;margin:.5em auto 44px;max-width:560px;}
  .logo-wall{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
  .logo-wall .cli{background:#fff;border:1px solid var(--line);border-radius:14px;min-height:108px;
    display:grid;place-items:center;padding:20px 18px;transition:.3s;}
  .logo-wall .cli:hover{transform:translateY(-4px);border-color:var(--steel);
    box-shadow:0 18px 40px -24px rgba(22,73,90,.5);}
  .logo-wall .cli img{max-height:62px;max-width:100%;width:auto;object-fit:contain;
    filter:grayscale(1);opacity:.72;transition:.3s;}
  .logo-wall .cli:hover img{filter:grayscale(0);opacity:1;}
  .logo-wall .cli.inv img{filter:grayscale(1) invert(1);opacity:.72;}
  .logo-wall .cli.inv:hover img{filter:invert(1);opacity:1;}
  .logo-wall .cli .txt{font-weight:700;color:var(--petrol);font-size:1.05rem;letter-spacing:.02em;}
  @media(max-width:900px){.logo-wall{grid-template-columns:repeat(3,1fr);}}
  @media(max-width:560px){.logo-wall{grid-template-columns:repeat(2,1fr);}}

  /* ===== Contacto ===== */
  .contact{padding:100px 0;text-align:center;background:var(--bg);}
  .contact h2{font-size:clamp(2.2rem,5vw,3rem);font-weight:700;letter-spacing:-.02em;color:var(--petrol);}
  .contact .desc{color:var(--gray);font-size:1.2rem;margin:.5em auto 0;max-width:540px;}
  form{max-width:560px;margin:46px auto 0;text-align:left;}
  .row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  .field{margin-bottom:14px;}
  .field label{display:block;font-size:.85rem;color:var(--gray);margin-bottom:.4em;padding-left:.2em;}
  .field input,.field textarea,.field select{width:100%;padding:.9em 1.1em;font-size:1rem;font-family:inherit;color:var(--black);
    background:#fff;border:1px solid var(--line);border-radius:12px;transition:.2s;}
  .field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--steel);box-shadow:0 0 0 4px rgba(71,149,168,.2);}
  .field textarea{resize:vertical;min-height:120px;}
  form .btn{width:100%;margin-top:8px;padding:.9em;}
  .contact-meta{display:flex;gap:2.5rem;justify-content:center;flex-wrap:wrap;margin-top:46px;color:var(--gray);font-size:.95rem;}
  .contact-meta b{color:var(--petrol);display:block;font-weight:600;}

  /* ===== Footer ===== */
  footer{background:var(--petrol);padding:46px 0;font-size:.82rem;color:#9fc0c9;}
  .foot-top{border-bottom:1px solid rgba(255,255,255,.15);padding-bottom:22px;margin-bottom:22px;display:flex;gap:60px;flex-wrap:wrap;align-items:flex-start;}
  .foot-cols h4{font-size:.82rem;color:#fff;margin-bottom:.9em;}
  .foot-cols a{display:block;color:#9fc0c9;margin-bottom:.6em;transition:.2s;}
  .foot-cols a:hover{color:#fff;}
  .foot-logo img{height:46px;width:auto;filter:brightness(0) invert(1);opacity:.95;}

  .reveal{opacity:0;transform:translateY(24px);transition:.8s cubic-bezier(.2,.7,.2,1);}
  .reveal.in{opacity:1;transform:none;}

  /* ===== Chatbot WhatsApp ===== */
  .wa-fab{position:fixed;right:22px;bottom:22px;z-index:200;height:58px;border-radius:50px;border:0;cursor:pointer;
    background:#25D366;color:#fff;display:flex;align-items:center;gap:10px;padding:0 20px;text-decoration:none;
    box-shadow:0 12px 30px -8px rgba(37,211,102,.6);transition:transform .25s,background .25s;animation:waPulse 2.6s infinite;}
  .wa-fab:hover{transform:translateY(-2px) scale(1.03);background:#1ebe5a;}
  .wa-fab svg{width:30px;height:30px;flex:none;}
  .wa-label{font-weight:700;font-size:.95rem;white-space:nowrap;}
  @keyframes waPulse{0%{box-shadow:0 12px 30px -8px rgba(37,211,102,.6),0 0 0 0 rgba(37,211,102,.5);}
    70%{box-shadow:0 12px 30px -8px rgba(37,211,102,.6),0 0 0 16px rgba(37,211,102,0);}
    100%{box-shadow:0 12px 30px -8px rgba(37,211,102,.6),0 0 0 0 rgba(37,211,102,0);}}
  @media(max-width:560px){.wa-label{display:none;}.wa-fab{padding:0;width:58px;justify-content:center;border-radius:50%;}}
  .wa-chat{position:fixed;right:22px;bottom:94px;z-index:200;width:344px;max-width:calc(100vw - 32px);
    background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 30px 70px -20px rgba(0,0,0,.45);
    display:none;flex-direction:column;animation:waIn .25s ease;}
  .wa-chat.open{display:flex;}
  @keyframes waIn{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:none;}}
  .wa-head{background:var(--petrol);color:#fff;padding:14px 16px;display:flex;align-items:center;gap:10px;}
  .wa-head .av{width:40px;height:40px;border-radius:50%;background:#fff;display:grid;place-items:center;flex:none;
    font-weight:800;color:var(--petrol);font-size:.95rem;letter-spacing:-.02em;}
  .wa-head-info{flex:1;line-height:1.25;}
  .wa-head-info strong{font-size:1rem;}
  .wa-head-info small{font-size:.76rem;color:#bcd4db;display:flex;align-items:center;gap:5px;}
  .wa-head-info small::before{content:"";width:8px;height:8px;border-radius:50%;background:#43e660;display:inline-block;}
  .wa-head button{background:none;border:0;color:#fff;font-size:1.1rem;cursor:pointer;opacity:.85;}
  .wa-body{padding:16px;height:310px;overflow-y:auto;background:#e9eef0;display:flex;flex-direction:column;gap:10px;}
  .wa-msg{max-width:82%;padding:9px 13px;border-radius:14px;font-size:.92rem;line-height:1.4;}
  .wa-msg.bot{background:#fff;align-self:flex-start;border-bottom-left-radius:4px;}
  .wa-msg.user{background:#d6f5c8;align-self:flex-end;border-bottom-right-radius:4px;}
  .wa-quick{display:flex;flex-wrap:wrap;gap:8px;align-self:flex-start;}
  .wa-quick button{background:#fff;border:1px solid var(--steel);color:var(--petrol);font-size:.82rem;font-weight:600;
    padding:.45em .9em;border-radius:50px;cursor:pointer;transition:.2s;}
  .wa-quick button:hover{background:var(--steel);color:#fff;}
  .wa-send-wa{background:#25D366;color:#fff;border:0;font-weight:700;text-decoration:none;
    padding:.6em 1.1em;border-radius:50px;display:inline-flex;align-items:center;gap:.4em;cursor:pointer;}
  .wa-send-wa:hover{background:#1ebe5a;}
  .wa-input{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line);background:#fff;}
  .wa-input input{flex:1;border:1px solid var(--line);border-radius:50px;padding:.6em 1em;font-size:16px;font-family:inherit;outline:none;}
  .wa-input input:focus{border-color:var(--steel);}
  .wa-input button{background:var(--petrol);color:#fff;border:0;width:40px;height:40px;border-radius:50%;cursor:pointer;font-size:1rem;flex:none;}

  @media(max-width:900px){.cards{grid-template-columns:1fr 1fr;}.stats-grid{grid-template-columns:1fr 1fr;}}
  @media(max-width:833px){
    
    .hero-video{display:none;}
    .duo{grid-template-columns:1fr;}
    .row{grid-template-columns:1fr;}
    .car-btn{width:40px;height:40px;font-size:1.3rem;}
    .nav-links{position:fixed;inset:62px 0 auto 0;flex-direction:column;gap:0;background:rgba(255,255,255,.98);
      backdrop-filter:blur(20px);padding:.5rem 0;transform:translateY(-150%);transition:.35s;border-bottom:1px solid var(--line);}
    .nav-links.open{transform:none;}
    .nav-links li{padding:0 6%;}
    .nav-links a{display:block;padding:.9em 0;font-size:1rem;border-bottom:1px solid var(--line);}
    .burger{display:flex;}
  }
  @media(max-width:560px){.cards{grid-template-columns:1fr;}}

  /* ============ RESPONSIVE A FONDO ============ */

  /* ----- Tablet (≤1024px) ----- */
  @media(max-width:1024px){
    .container{width:92%;}
    .proj-grid{grid-template-columns:1fr 1fr;}
    .nav-links{gap:1.4rem;}
    .nav-links a{font-size:.8rem;}
    .feature-media img{height:340px;}
  }

  /* ----- Móvil (≤600px) ----- */
  @media(max-width:600px){
    .services,.projects,.gallery,.clients,.feature{padding:56px 0;}
    .contact{padding:60px 0;}
    .stats{padding:48px 0;}
    .duo-wrap{padding:28px 0;}
    .services .sub,.gallery .desc,.clients .desc{margin-bottom:30px;}

    /* Hero */
    .hero{min-height:76vh;}
    .hero-inner{padding:54px 16px;}
    .hero-actions{flex-direction:column;gap:.75rem;width:100%;max-width:300px;margin-inline:auto;}
    .hero-actions .btn,.hero-actions .link{width:100%;justify-content:center;}

    /* Servicios / mosaicos */
    .cards{grid-template-columns:1fr;}
    .stile{height:250px;}
    .stile-text{padding:20px;}
    .stile-text h3{font-size:1.18rem;}
    .stile-text p{font-size:.9rem;}

    /* Tech strip */
    .tech .container{gap:9px 20px;font-size:.84rem;}

    /* Averías / feature */
    .feature-grid{gap:26px;}
    .feature-media img{height:260px;}
    .feat-list li{font-size:.95rem;}

    /* Duo */
    .duo .panel{padding:40px 20px 0;}
    .duo h3{font-size:1.55rem;}
    .duo .panel-media{height:220px;}

    /* Proyectos / galería */
    .proj-grid{grid-template-columns:1fr;}
    .carousel{border-radius:14px;}
    .car-btn{width:38px;height:38px;}

    /* Cifras */
    .stats .num{font-size:2.1rem;}
    .stats-grid{gap:22px;}

    /* Clientes */
    .logo-wall{grid-template-columns:repeat(2,1fr);}

    /* Contacto / footer */
    form{margin-top:32px;}
    .contact-meta{gap:1.3rem;margin-top:30px;}
    .foot-top{gap:28px;}

    /* Chat */
    .wa-chat{right:10px;left:10px;width:auto;max-width:none;bottom:80px;max-height:72vh;}
    .wa-body{flex:1;min-height:110px;height:auto;}
    .wa-msg{max-width:88%;}
  }

  /* ----- Móvil pequeño (≤380px) ----- */
  @media(max-width:380px){
    .hero h1{font-size:2.15rem;}
    .stile{height:225px;}
    .logo-wall{gap:10px;}
    .nav .logo img{height:38px;}
  }

  /* ----- Pantallas grandes / Smart TV (≥1600px) ----- */
  @media(min-width:1600px){
    html{font-size:17.5px;}
    .container{width:min(1320px,86%);}
    .hero{min-height:min(86vh,860px);}
    .stile{height:340px;}
  }

/* ===== Páginas de categoría (subpáginas) ===== */
.subhead{position:fixed;inset:0 0 auto 0;z-index:100;height:60px;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.08);}
.subnav{display:flex;align-items:center;justify-content:space-between;height:60px;}
.subnav .logo img{height:40px;width:auto;}
.back-btn{display:inline-flex;align-items:center;gap:.4em;background:var(--petrol);color:#fff;padding:.55em 1.1em;border-radius:980px;font-weight:600;font-size:.95rem;transition:.2s;}
.back-btn:hover{background:var(--steel);transform:translateX(-2px);}
.subpage{padding:96px 0 70px;}
.subpage .head{margin-bottom:38px;}
@media(max-width:600px){.subnav .logo img{height:34px;}.subpage{padding:84px 0 50px;}}
.fx{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;display:block;}
.hero .fx{z-index:1;}
.feature .fx{z-index:0;}

.hero-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}

.contact-save{display:none;}
@media(max-width:833px){
.contact-save{display:block;position:absolute;left:50%;top:50%;margin-left:-20px;margin-top:-20px;width:40px;height:40px;flex:none;z-index:5;animation:heartbeat 2.6s ease-in-out infinite;}
.contact-save .cs-circle{position:absolute;inset:0;border-radius:50%;background:var(--steel);overflow:hidden;animation:csGlow 2.6s ease-out infinite;}.contact-save .cs-sh{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:1;}.contact-save .cs-sh path{fill:var(--petrol);}
.contact-save .cs-head{position:absolute;top:15%;left:50%;transform:translateX(-50%);width:40%;height:40%;border-radius:50%;background:var(--petrol);display:grid;place-items:center;overflow:hidden;box-sizing:border-box;z-index:2;}
.contact-save .cs-head img{width:76%;height:76%;object-fit:contain;}
.contact-save::after{content:'+';position:absolute;right:-2px;bottom:-2px;width:16px;height:16px;border-radius:50%;background:#25D366;color:#fff;font-size:11px;font-weight:800;line-height:1;display:grid;place-items:center;border:2px solid #fff;box-sizing:border-box;z-index:3;}
}
@keyframes heartbeat{0%{transform:scale(1);}10%{transform:scale(1.16);}20%{transform:scale(1);}30%{transform:scale(1.16);}40%{transform:scale(1);}100%{transform:scale(1);}}

.to-top{position:fixed;left:20px;bottom:24px;z-index:150;width:46px;height:46px;border-radius:50%;background:var(--petrol);color:#fff;border:0;cursor:pointer;font-size:1.35rem;line-height:1;display:grid;place-items:center;box-shadow:0 8px 20px -6px rgba(0,0,0,.45);opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s;}
.to-top.show{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--steel);}

.tech .tech-break{flex-basis:100%;height:0;}

@keyframes csGlow{0%{box-shadow:0 0 0 0 rgba(71,149,168,.55);}70%{box-shadow:0 0 0 12px rgba(71,149,168,0);}100%{box-shadow:0 0 0 0 rgba(71,149,168,0);}}

/* ===== MODO OSCURO automático ===== */
@media (prefers-color-scheme: dark){
  :root{
    --bg:#11161a;
    --bg-soft:#1a2127;
    --black:#e7edf1;
    --gray:#9aa6af;
    --gray-text:#c2cbd2;
    --line:#2c353d;
  }
  .services h2,.projects h2,.gallery h2,.clients h2,.contact h2,.cat-sec h2,.proj-body h3{color:#7cc4d8;}
  .contact-meta b{color:#cfe7ee;}
  header{background:rgba(17,22,26,.82);border-bottom-color:rgba(255,255,255,.08);}
  .subhead{background:rgba(17,22,26,.85);border-bottom-color:rgba(255,255,255,.08);}
  .nav .logo img,.subhead .logo img{filter:brightness(0) invert(1);}
  .proj-card{background:var(--bg-soft);}
  .field input,.field textarea,.field select{background:#0f1417;color:var(--black);border-color:var(--line);}
  .wa-chat{background:var(--bg-soft);}
  .wa-body{background:#0e1316;}
  .wa-msg.bot{background:#222c33;color:var(--black);}
  .wa-quick button{background:var(--bg-soft);color:#7cc4d8;border-color:var(--steel);}
  .wa-input{background:var(--bg-soft);}
  .wa-input input{background:#0e1316;color:var(--black);border-color:var(--line);}
}
@media (prefers-color-scheme: dark) and (max-width:833px){
  .nav-links{background:rgba(17,22,26,.98);}
}
/* ===== Página "Próximamente" ===== */
.soon{background:var(--petrol);color:#fff;min-height:84vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:90px 20px;}
.soon .container{max-width:580px;}
.soon-logo{width:64px;height:auto;margin:0 auto 18px;display:block;}
.soon .eyebrow{color:#7fc4d6;}
.soon h1{color:#fff;font-size:clamp(2rem,6vw,2.9rem);font-weight:700;letter-spacing:-.02em;margin:.25em 0 .35em;}
.soon p{color:#cfe2e7;font-size:1.12rem;}
.soon-tag{display:inline-block;margin:1.5em 0;background:var(--steel);color:#fff;font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:.85rem;padding:.55em 1.3em;border-radius:50px;}
.soon-actions{display:flex;gap:1.2rem;justify-content:center;align-items:center;flex-wrap:wrap;margin-top:.5em;}
/* ===== Filosofía ===== */
.filo{padding:90px 0;background:var(--bg-soft);text-align:center;}
.filo h2{font-size:clamp(2rem,5vw,2.7rem);font-weight:700;letter-spacing:-.02em;color:var(--petrol);margin:.3em 0 .1em;}
.filo .sub{color:var(--gray);font-size:1.15rem;}
.filo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:46px;}
.filo-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 26px;transition:.3s;}
.filo-card:hover{transform:translateY(-6px);border-color:var(--steel);box-shadow:0 24px 50px -28px rgba(22,73,90,.5);}
.filo-card .ico{font-size:2.2rem;margin-bottom:12px;}
.filo-card h3{color:var(--petrol);font-size:1.25rem;font-weight:700;}
.filo-card p{color:var(--gray);font-size:.98rem;margin-top:.5em;line-height:1.5;}
.stats-note{margin-top:26px;color:var(--gray);font-size:.95rem;font-style:italic;}
@media(max-width:900px){.filo-grid{grid-template-columns:1fr;}}
@media (prefers-color-scheme: dark){
  .filo h2,.filo-card h3{color:#7cc4d8;}
  .filo-card{background:#222c33;border-color:var(--line);}
  .stats-note{color:var(--gray-text);}
}
.filo-quote{font-size:clamp(1.7rem,5vw,2.6rem);font-weight:600;font-style:italic;letter-spacing:-.01em;color:var(--gray);line-height:1.3;max-width:760px;margin:.5em auto 0;}
.filo-sign{margin-top:1.1em;color:var(--steel);font-weight:600;letter-spacing:.1em;text-transform:uppercase;font-size:.92rem;}


.merch-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;margin-top:46px;}
.merch-grid .filo-card{text-align:center;}
.merch-grid .filo-card .ico{font-size:2.4rem;}

/* ===== Merch · tarjetas con portada SVG ===== */
.merch-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;}
.merch-card:hover{transform:translateY(-6px);border-color:var(--steel);box-shadow:0 24px 50px -28px rgba(22,73,90,.55);}
.merch-cover{height:160px;}
.merch-cover svg{width:100%;height:100%;display:block;}
.merch-body{padding:22px 22px 26px;text-align:center;}
.merch-body h3{color:var(--petrol);font-size:1.2rem;font-weight:700;margin:0;}
.merch-body p{color:var(--gray);font-size:.95rem;margin:.5em 0 0;line-height:1.5;}
@media (prefers-color-scheme:dark){
  .merch-card{background:#222c33;border-color:#2f3b42;}
  .merch-body h3{color:#7cc4d8;}
  .merch-body p{color:#aeb6ba;}
}