:root{
    --red-primary:#9E0F12;
    --red-secondary:#AC0D12;
    --red-accent:#CC040E;
    --red-gradient:#BD0911;
    --charcoal:#565656;
    --black:#1A1A1A;
    --white:#FFFFFF;
    --off-white:#F5F4F3;
    --line:rgba(255,255,255,0.14);
    --line-dark:rgba(26,26,26,0.12);
    --display:'Oswald', sans-serif;
    --body:'Inter', sans-serif;
    --mono:'IBM Plex Mono', monospace;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    font-family:var(--body);
    color:var(--black);
    background:var(--white);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  ul{list-style:none;}
  h1,h2,h3,h4{font-family:var(--display);font-weight:600;line-height:1.08;letter-spacing:0.01em;}
  .container{max-width:1180px;margin:0 auto;padding:0 32px;}
  :focus-visible{outline:2px solid var(--red-accent);outline-offset:3px;}
  @media (prefers-reduced-motion: reduce){
    *{animation-duration:0.001ms !important;transition-duration:0.001ms !important;}
  }

  /* --- sheet label / signature system --- */
  .sheet-label{
    font-family:var(--mono);
    font-size:11px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:var(--red-accent);
    font-weight:600;
  }
  .sheet-label::before{
    content:"";
    width:22px;height:1px;
    background:var(--red-accent);
    display:inline-block;
  }
  .sheet-label--light{color:rgba(255,255,255,0.75);}
  .sheet-label--light::before{background:rgba(255,255,255,0.5);}

  /* dimension ticks along section edges */
  .dim-edge{
    position:relative;
  }
  .dim-edge::before{
    content:"";
    position:absolute;
    top:0;left:32px;right:32px;
    height:1px;
    background:repeating-linear-gradient(90deg, var(--line-dark) 0 1px, transparent 1px 40px);
  }

  /* ============ HEADER ============ */
  header{
    position:sticky;top:0;z-index:100;
    background:var(--white);
    border-bottom:1px solid #ECEAE8;
  }
  .nav-wrap{
    display:flex;align-items:center;justify-content:space-between;
    padding:18px 32px;
    max-width:1180px;margin:0 auto;
  }
  .logo{
    display:flex;align-items:center;gap:12px;
  }
  .logo-mark{width:42px;height:42px;flex:none;}
  .logo-word{
    font-family:var(--display);
    font-size:21px;font-weight:700;letter-spacing:0.03em;
    line-height:1.1;
  }
  .logo-word span{color:var(--red-accent);}
  .logo-word small{
    display:block;font-family:var(--mono);font-size:9px;color:var(--charcoal);
    letter-spacing:0.12em;font-weight:500;text-transform:uppercase;margin-top:2px;
  }
  .logo-img{height:46px;width:auto;display:block;}
  .footer-logo-img{height:40px;width:auto;display:block;}
  .footer-logo{margin-bottom:14px;}

  /* ---- estructura base de fotos: sin tratamiento de color, se ve tal cual la imagen original ---- */
  .photo-frame{position:relative;overflow:hidden;background:var(--black);}
  .photo-frame img{
    width:100%;height:100%;object-fit:cover;display:block;
  }
  nav ul{display:flex;gap:36px;}
  nav a{
    font-size:14px;font-weight:600;letter-spacing:0.02em;
    color:var(--black);position:relative;padding:4px 0;
  }
  nav a::after{
    content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;
    background:var(--red-accent);transition:width .25s ease;
  }
  nav a:hover::after{width:100%;}
  .btn{
    display:inline-flex;align-items:center;gap:8px;
    font-family:var(--body);font-weight:700;font-size:14px;
    padding:12px 24px;border-radius:2px;
    transition:background .2s ease, transform .2s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--red-accent);color:var(--white);}
  .btn-primary:hover{background:var(--red-secondary);transform:translateY(-1px);}
  .btn-outline{border:1.5px solid var(--white);color:var(--white);}
  .btn-outline:hover{background:var(--white);color:var(--black);}
  .nav-cta{display:flex;align-items:center;gap:20px;}
  .menu-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px;}
  .menu-toggle span{display:block;width:24px;height:2px;background:var(--black);margin:5px 0;}

  /* ============ HERO ============ */
  .hero{
    position:relative;background:var(--black);color:var(--white);
    overflow:hidden;padding:96px 0 64px;
  }
  .hero-photo{position:absolute;inset:0;z-index:0;}
  .hero-photo img{filter:grayscale(1) contrast(1.15) brightness(0.85);}
  .hero-photo::before{content:none;}
  .hero-photo::after{
    content:"";position:absolute;inset:0;mix-blend-mode:multiply;
    background:linear-gradient(100deg, rgba(26,26,26,0.94) 30%, rgba(158,15,18,0.55) 78%, rgba(26,26,26,0.85));
  }
  .hero::before{ /* blueprint grid */
    content:"";position:absolute;inset:0;z-index:1;
    background-image:
      linear-gradient(var(--line) 1px, transparent 1px),
      linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size:56px 56px;
    opacity:0.35;
    mask-image:linear-gradient(180deg, black, transparent 85%);
  }
  .hero::after{ /* diagonal beam */
    content:"";position:absolute;z-index:1;
    top:-20%;right:-10%;width:70%;height:180%;
    background:linear-gradient(115deg, transparent 46%, var(--red-primary) 46.3%, var(--red-gradient) 52%, transparent 52.3%);
    opacity:0.75;
  }
  .hero-inner{position:relative;z-index:2;}
  .hero-grid{
    display:block;max-width:720px;
  }
  .hero h1{
    font-size:clamp(38px, 5vw, 62px);
    text-transform:uppercase;
    margin:0 0 22px;
    max-width:14ch;
  }
  .hero h1 em{font-style:normal;color:var(--red-accent);}
  .fmb-mark{
    color:var(--white);
    text-decoration:underline;
    text-decoration-color:var(--red-accent);
    text-decoration-thickness:3px;
    text-underline-offset:6px;
  }
  .hero p.lede{
    font-size:18px;color:rgba(255,255,255,0.8);max-width:46ch;margin-bottom:34px;
  }
  .hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px;}
  .hero-stats{
    display:grid;grid-template-columns:repeat(4,1fr);
    border-top:1px solid var(--line);padding-top:24px;gap:12px;
  }
  .hero-stats .stat b{
    font-family:var(--mono);font-size:30px;color:var(--white);display:block;font-weight:600;
  }
  .hero-stats .stat span{
    font-size:12px;color:rgba(255,255,255,0.6);text-transform:uppercase;letter-spacing:0.06em;
  }

  /* ============ SECTION GENERIC ============ */
  section{padding:88px 0;}
  .section-head{max-width:640px;margin-bottom:52px;}
  .section-head .sheet-label{margin-bottom:14px;}
  .section-head h2{font-size:clamp(28px,3.4vw,40px);text-transform:uppercase;color:var(--black);}
  .section-head p{color:var(--charcoal);margin-top:14px;font-size:16px;}

  /* ============ SOBRE NOSOTROS ============ */
  .about{background:var(--off-white);}
  .about-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:64px;align-items:center;}
  .about-visual{
    position:relative;aspect-ratio:4/5;
    background:linear-gradient(155deg, var(--red-primary), var(--black) 78%);
    border-radius:2px;overflow:hidden;
  }
  .about-visual::before{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
    background-size:34px 34px;
  }
  .about-visual .tag{
    position:absolute;bottom:24px;left:24px;color:#fff;font-family:var(--mono);
    font-size:12px;letter-spacing:0.08em;text-transform:uppercase;
    border-left:2px solid var(--red-accent);padding-left:10px;
  }
  .about-visual .tag strong{display:block;font-family:var(--display);font-size:26px;letter-spacing:0;text-transform:none;}
  .about-copy h3{font-size:26px;text-transform:uppercase;margin-bottom:16px;}
  .about-copy p{color:var(--charcoal);margin-bottom:16px;}
  .about-checks{margin-top:24px;display:grid;gap:12px;}
  .about-checks li{display:flex;gap:12px;align-items:flex-start;font-size:15px;font-weight:600;}
  .about-checks li::before{
    content:"";flex:none;width:8px;height:8px;background:var(--red-accent);margin-top:7px;
  }

  /* ============ SERVICIOS ============ */
  .services-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
  }
  .service-card{
    background:var(--white);position:relative;border-radius:8px;
    box-shadow:0 1px 3px rgba(26,26,26,0.08);
    transition:transform .3s ease, box-shadow .3s ease;
  }
  .service-card:hover{
    transform:translateY(-8px);
    box-shadow:0 24px 40px -12px rgba(26,26,26,0.28);
  }
  .service-card .thumb{aspect-ratio:4/3;position:relative;overflow:hidden;border-radius:8px 8px 0 0;}
  .service-card .thumb img{transition:transform .5s ease;}
  .service-card:hover .thumb img{transform:scale(1.08);}
  .service-card .badge{
    position:absolute;left:24px;bottom:-26px;z-index:6;
    width:52px;height:52px;border-radius:50%;
    background:var(--red-accent);color:var(--white);
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 8px 18px -4px rgba(204,4,14,0.55);
    transition:transform .3s ease;
  }
  .service-card .badge svg{width:24px;height:24px;}
  .service-card:hover .badge{transform:scale(1.1) rotate(-6deg);}
  .service-card .body{padding:44px 28px 32px;position:relative;overflow:hidden;}
  .service-card .num-ghost{
    position:absolute;top:-6px;right:12px;font-family:var(--display);font-weight:700;
    font-size:88px;color:var(--off-white);z-index:0;line-height:1;user-select:none;
  }
  .service-card .num{font-family:var(--mono);font-size:12px;color:var(--red-accent);letter-spacing:0.1em;position:relative;z-index:1;}
  .service-card h3{font-size:20px;text-transform:uppercase;margin:10px 0 12px;position:relative;z-index:1;}
  .service-card h3::after{
    content:"";display:block;width:32px;height:3px;background:var(--red-accent);
    margin-top:12px;transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
  }
  .service-card:hover h3::after{transform:scaleX(1);}
  .service-card p{color:var(--charcoal);font-size:14.5px;position:relative;z-index:1;}
  .service-card .more{
    display:inline-flex;align-items:center;gap:6px;margin-top:16px;
    font-size:13px;font-weight:700;color:var(--red-accent);position:relative;z-index:1;
    opacity:0;transform:translateX(-6px);transition:opacity .3s ease, transform .3s ease;
  }
  .service-card:hover .more{opacity:1;transform:translateX(0);}

  .additional{
    margin-top:64px;background:var(--black);color:var(--white);
    padding:48px 0 48px 48px;position:relative;overflow:hidden;
  }
  .additional::before{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(var(--line) 1px, transparent 1px),
                      linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size:56px 56px;opacity:0.4;
    mask-image:radial-gradient(circle at 80% 20%, black, transparent 70%);
  }
  .additional::after{
    content:"";position:absolute;right:-6%;top:-40%;width:50%;height:220%;
    background:linear-gradient(115deg, transparent 47%, var(--red-primary) 47.4%, transparent 48%);
    opacity:0.35;
  }
  .additional-copy{position:relative;z-index:2;margin-bottom:28px;max-width:520px;padding-right:48px;}
  .additional-copy h3{font-size:24px;text-transform:uppercase;margin-bottom:14px;}
  .additional-copy p{color:rgba(255,255,255,0.7);font-size:15px;}

  /* ===== reusable horizontal scroll carousel ===== */
  .scroller-wrap{position:relative;z-index:2;}
  .scroller{
    display:flex;gap:14px;overflow-x:auto;padding:4px 48px 20px 0;
    scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none;
  }
  .scroller::-webkit-scrollbar{display:none;}
  .scroller-fade{
    position:absolute;top:0;right:0;bottom:20px;width:64px;z-index:3;pointer-events:none;
    background:linear-gradient(90deg, transparent, var(--black));
  }
  .scroller-nav{
    display:flex;gap:10px;margin-top:4px;padding-right:48px;justify-content:flex-end;
    position:relative;z-index:4;
  }
  .scroller-nav button{
    width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
    background:transparent;color:var(--white);cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    transition:border-color .2s ease, background .2s ease;
  }
  .scroller-nav button:hover{border-color:var(--red-accent);background:rgba(204,4,14,0.12);}
  .scroller-nav button svg{width:18px;height:18px;}

  .additional-list.scroller li{
    flex:0 0 190px;scroll-snap-align:start;
    background:rgba(255,255,255,0.04);border:1px solid var(--line);border-radius:6px;
    padding:16px 14px;display:flex;flex-direction:column;gap:10px;
    font-size:14px;font-weight:600;
    transition:transform .25s ease, border-color .25s ease, background .25s ease;
  }
  .additional-list li:nth-child(4n+1){--tone:var(--red-primary);}
  .additional-list li:nth-child(4n+2){--tone:var(--red-secondary);}
  .additional-list li:nth-child(4n+3){--tone:var(--red-accent);}
  .additional-list li:nth-child(4n+4){--tone:var(--red-gradient);}
  .additional-list li:hover{
    transform:translateY(-4px);border-color:var(--tone);
    background:color-mix(in srgb, var(--tone) 16%, transparent);
  }
  .additional-list .a-ico{
    width:34px;height:34px;border-radius:50%;flex:none;
    background:color-mix(in srgb, var(--tone) 22%, transparent);
    border:1px solid var(--tone);color:var(--tone);
    display:flex;align-items:center;justify-content:center;
  }
  .additional-list .a-ico svg{width:16px;height:16px;}
  .additional-list li:nth-child(odd) .a-ico{
    background:var(--tone);color:var(--black);border-color:var(--tone);
  }

  .scroller.edge-pad{padding-left:32px;list-style:none;}

  .clients{background:var(--off-white);}
  .clients .scroller-fade{background:linear-gradient(90deg, transparent, var(--off-white));}
  .clients .scroller-nav button{border-color:var(--line-dark);color:var(--black);}
  .clients .scroller-nav button:hover{border-color:var(--red-accent);background:rgba(204,4,14,0.08);}
  .client-card{
    flex:0 0 190px;scroll-snap-align:start;
    background:var(--white);border:1px solid #E5E2DF;border-radius:8px;
    display:flex;align-items:center;justify-content:center;
    height:110px;padding:20px;
    transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  }
  .client-card img{
    max-width:100%;max-height:100%;object-fit:contain;
    filter:grayscale(1) opacity(0.7);
    transition:filter .25s ease;
  }
  .client-card:hover{transform:translateY(-4px);border-color:var(--red-accent);box-shadow:0 12px 24px -8px rgba(26,26,26,0.15);}
  .client-card:hover img{filter:grayscale(0) opacity(1);}

  /* ===== reseñas ===== */
  .reviews{background:var(--white);}
  .reviews .scroller-fade{background:linear-gradient(90deg, transparent, var(--white));}
  .reviews .scroller-nav button{border-color:var(--line-dark);color:var(--black);}
  .reviews .scroller-nav button:hover{border-color:var(--red-accent);background:rgba(204,4,14,0.08);}
  .review-card{
    flex:0 0 300px;scroll-snap-align:start;
    background:var(--off-white);border:1px solid #E5E2DF;border-radius:8px;
    padding:24px;display:flex;flex-direction:column;gap:12px;
  }
  .review-card .stars{color:var(--red-accent);display:flex;gap:2px;}
  .review-card .stars svg{width:16px;height:16px;}
  .review-card p{font-size:14.5px;color:var(--charcoal);line-height:1.6;flex:1;}
  .review-card .who{display:flex;align-items:center;gap:10px;margin-top:4px;}
  .review-card .avatar{
    width:38px;height:38px;border-radius:50%;background:var(--black);color:var(--white);
    display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:600;font-size:14px;flex:none;
  }
  .review-card .who b{display:block;font-size:13.5px;}
  .review-card .verified{
    display:inline-flex;align-items:center;gap:4px;font-size:11.5px;color:var(--charcoal);
    font-family:var(--mono);text-transform:uppercase;letter-spacing:0.04em;
  }
  .review-card .verified svg{width:12px;height:12px;color:#1a9c5c;}

  /* ============ POR QUE ELEGIRNOS ============ */
  .why{background:var(--black);color:var(--white);position:relative;overflow:hidden;}
  .why::before{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(var(--line) 1px, transparent 1px),
                      linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size:64px 64px;opacity:0.5;
    mask-image:radial-gradient(circle at 20% 20%, black, transparent 75%);
  }
  .why .container{position:relative;z-index:2;}
  .section-head--light h2{color:var(--white);}
  .eyebrow{
    display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:0.14em;
    text-transform:uppercase;color:var(--red-accent);font-weight:600;margin-bottom:12px;
  }
  .why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .why-card{
    background:linear-gradient(160deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
    border:1px solid var(--line);border-radius:4px;padding:32px 28px;
    transition:transform .25s ease, border-color .25s ease, background .25s ease;
    position:relative;
  }
  .why-card:hover{
    transform:translateY(-6px);
    border-color:rgba(204,4,14,0.5);
    background:linear-gradient(160deg, rgba(204,4,14,0.12), rgba(255,255,255,0.02));
  }
  .why-card .ico{
    width:52px;height:52px;border-radius:50%;
    background:radial-gradient(circle at 35% 30%, rgba(204,4,14,0.35), rgba(204,4,14,0.08));
    border:1px solid rgba(204,4,14,0.4);
    display:flex;align-items:center;justify-content:center;margin-bottom:20px;
    color:var(--red-accent);transition:transform .25s ease;
  }
  .why-card .ico svg{width:24px;height:24px;}
  .why-card:hover .ico{transform:scale(1.1);}
  .why-card h4{font-size:17px;text-transform:uppercase;margin-bottom:8px;font-family:var(--display);font-weight:600;color:var(--white);}
  .why-card p{color:rgba(255,255,255,0.6);font-size:14.5px;}

  /* ============ PROYECTOS TEASER ============ */
  .projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .project-card{
    position:relative;aspect-ratio:4/3;
  }
  .project-card .info{
    position:absolute;left:0;right:0;bottom:0;padding:18px 20px;z-index:5;
    background:linear-gradient(0deg, rgba(0,0,0,0.85), transparent);
    color:#fff;
  }
  .project-card .info h4{font-size:18px;text-transform:none;margin-bottom:3px;}
  .project-card .info span{font-family:var(--mono);font-size:12px;color:rgba(255,255,255,0.7);text-transform:none;letter-spacing:0.02em;}
  .projects-cta{text-align:center;margin-top:44px;}

  /* ============ CONTACTO ============ */
  .contact{background:var(--black);color:var(--white);}
  .contact-grid{display:grid;grid-template-columns:0.85fr 1.15fr;gap:64px;}
  .contact-info h2{font-size:30px;text-transform:uppercase;margin-bottom:18px;}
  .contact-info p{color:rgba(255,255,255,0.65);margin-bottom:32px;}
  .contact-channels{display:grid;gap:14px;margin-bottom:32px;}
  .contact-channels li a{
    display:flex;gap:16px;align-items:center;padding:14px 16px;
    border:1px solid var(--line);border-radius:6px;
    transition:border-color .2s ease, background .2s ease, transform .2s ease;
  }
  .contact-channels li a:hover{
    border-color:rgba(204,4,14,0.5);background:rgba(204,4,14,0.08);transform:translateX(4px);
  }
  .contact-channels .ico{
    width:44px;height:44px;border-radius:50%;flex:none;
    background:radial-gradient(circle at 35% 30%, rgba(204,4,14,0.4), rgba(204,4,14,0.12));
    border:1px solid rgba(204,4,14,0.5);
    display:flex;align-items:center;justify-content:center;color:var(--red-accent);
  }
  .contact-channels .ico svg{width:20px;height:20px;}
  .contact-channels b{display:block;font-size:14.5px;margin-bottom:2px;}
  .contact-channels span{font-size:13px;color:rgba(255,255,255,0.55);}
  .contact-social{display:flex;gap:14px;}
  .contact-social a{
    width:42px;height:42px;border-radius:50%;border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.8);
    transition:border-color .2s, background .2s, color .2s, transform .2s;
  }
  .contact-social a svg{width:19px;height:19px;}
  .contact-social a:hover{border-color:var(--red-accent);background:rgba(204,4,14,0.15);color:var(--white);transform:translateY(-3px);}

  .form-panel{
    background:rgba(255,255,255,0.03);border:1px solid var(--line);padding:36px;position:relative;
  }
  .form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px;}
  .form-field{display:flex;flex-direction:column;gap:8px;}
  .form-field.full{grid-column:1/-1;}
  .form-field label{font-size:12px;text-transform:uppercase;letter-spacing:0.06em;color:rgba(255,255,255,0.6);font-family:var(--mono);}
  .form-field input,.form-field select,.form-field textarea{
    background:transparent;border:1px solid var(--line);color:var(--white);
    padding:12px 14px;font-family:var(--body);font-size:14px;border-radius:2px;
  }
  .form-field select option{color:var(--black);}
  .form-field input:focus,.form-field select:focus,.form-field textarea:focus{
    border-color:var(--red-accent);outline:none;
  }
  .form-check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:rgba(255,255,255,0.6);margin-bottom:22px;}
  .form-check a{color:var(--white);text-decoration:underline;}

  /* ============ FOOTER ============ */
  footer{background:#111111;color:rgba(255,255,255,0.6);padding:56px 0 24px;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--line);}
  .footer-grid h5{font-family:var(--mono);color:rgba(255,255,255,0.4);font-size:12px;letter-spacing:0.1em;text-transform:uppercase;margin-bottom:18px;}
  .footer-grid li{margin-bottom:10px;font-size:14px;}
  .footer-grid li a:hover{color:var(--red-accent);}
  .footer-logo{font-family:var(--display);font-size:22px;color:var(--white);margin-bottom:14px;}
  .footer-bottom{display:flex;justify-content:space-between;padding-top:24px;font-size:13px;flex-wrap:wrap;gap:12px;}

  /* ============ RESPONSIVE ============ */
  @media (max-width:960px){
    nav, .nav-cta .btn-outline-desktop{display:none;}
    .menu-toggle{display:block;}
    .hero-grid, .about-grid, .contact-grid, .additional{grid-template-columns:1fr;}
    .hero-stats{grid-template-columns:repeat(2,1fr);}
    .services-grid, .why-grid, .projects-grid{grid-template-columns:1fr 1fr;}
    .additional{padding-left:20px;}
    .additional-copy{padding-right:20px;}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .form-row{grid-template-columns:1fr;}
  }
  @media (max-width:600px){
    .container{padding:0 20px;}
    .services-grid, .why-grid, .projects-grid, .footer-grid{grid-template-columns:1fr;}
    .hero{padding:70px 0 40px;}
    section{padding:60px 0;}
    .scroller.edge-pad{padding-left:20px;}
    .scroller-fade{width:36px;}
    .additional{padding-left:16px;}
  }

  /* ============ PAGE HERO (páginas internas) ============ */
  .page-hero{
    position:relative;background:var(--black);color:var(--white);
    overflow:hidden;padding:64px 0 56px;
  }
  .page-hero .page-photo{position:absolute;inset:0;z-index:0;}
  .page-hero .page-photo img{filter:grayscale(1) contrast(1.15) brightness(0.85);}
  .page-hero .page-photo::after{
    content:"";position:absolute;inset:0;mix-blend-mode:multiply;
    background:linear-gradient(100deg, rgba(26,26,26,0.95) 35%, rgba(158,15,18,0.5) 85%, rgba(26,26,26,0.9));
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;z-index:1;
    background-image:linear-gradient(var(--line) 1px, transparent 1px),
                      linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size:56px 56px;opacity:0.3;
    mask-image:linear-gradient(180deg, black, transparent 85%);
  }
  .page-hero-inner{position:relative;z-index:2;}
  .breadcrumb{
    display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;
    color:rgba(255,255,255,0.55);text-transform:uppercase;letter-spacing:0.05em;margin-bottom:18px;
  }
  .breadcrumb a{color:rgba(255,255,255,0.55);}
  .breadcrumb a:hover{color:var(--white);}
  .breadcrumb span{color:var(--red-accent);}
  .page-hero h1{
    font-size:clamp(34px,4.6vw,52px);text-transform:uppercase;max-width:18ch;margin-bottom:16px;
  }
  .page-hero p.lede{font-size:17px;color:rgba(255,255,255,0.75);max-width:56ch;}

  /* ============ TIMELINE (Nosotros) ============ */
  .timeline{position:relative;max-width:760px;margin:0 auto;}
  .timeline::before{
    content:"";position:absolute;left:19px;top:8px;bottom:8px;width:2px;
    background:linear-gradient(var(--red-primary), var(--red-accent));
  }
  .timeline-item{position:relative;padding-left:56px;margin-bottom:36px;}
  .timeline-item:last-child{margin-bottom:0;}
  .timeline-item .dot{
    position:absolute;left:8px;top:2px;width:24px;height:24px;border-radius:50%;
    background:var(--red-accent);border:4px solid var(--off-white);
    display:flex;align-items:center;justify-content:center;
  }
  .timeline-item .year{font-family:var(--mono);font-size:13px;color:var(--red-accent);font-weight:600;letter-spacing:0.04em;}
  .timeline-item h4{font-size:19px;text-transform:uppercase;margin:4px 0 8px;}
  .timeline-item p{color:var(--charcoal);font-size:14.5px;}

  /* ============ MISIÓN / VISIÓN / VALORES ============ */
  .pillars-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .pillar-card{
    background:var(--white);border:1px solid #ECEAE8;border-radius:8px;padding:32px 28px;
    box-shadow:0 1px 3px rgba(26,26,26,0.06);
    transition:transform .25s ease, box-shadow .25s ease;
  }
  .pillar-card:hover{transform:translateY(-6px);box-shadow:0 20px 32px -12px rgba(26,26,26,0.18);}
  .pillar-card .ico{
    width:48px;height:48px;border-radius:50%;
    background:radial-gradient(circle at 35% 30%, rgba(204,4,14,0.35), rgba(204,4,14,0.1));
    border:1px solid rgba(204,4,14,0.4);color:var(--red-accent);
    display:flex;align-items:center;justify-content:center;margin-bottom:18px;
  }
  .pillar-card .ico svg{width:22px;height:22px;}
  .pillar-card h3{font-size:19px;text-transform:uppercase;margin-bottom:10px;}
  .pillar-card p{color:var(--charcoal);font-size:14.5px;}

  /* ============ PROCESO (Servicios) ============ */
  .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
  .process-grid::before{
    content:"";position:absolute;top:26px;left:8%;right:8%;height:2px;
    background:repeating-linear-gradient(90deg, var(--line-dark) 0 8px, transparent 8px 16px);
    z-index:0;
  }
  .process-step{position:relative;z-index:1;text-align:left;}
  .process-step .step-num{
    width:52px;height:52px;border-radius:50%;background:var(--black);color:var(--white);
    display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;font-size:18px;
    margin-bottom:16px;border:3px solid var(--off-white);
  }
  .process-step h4{font-size:16.5px;text-transform:uppercase;margin-bottom:8px;}
  .process-step p{color:var(--charcoal);font-size:14px;}

  /* ============ SERVICIO DETALLADO (Servicios) ============ */
  .service-detail{
    display:grid;grid-template-columns:0.9fr 1.1fr;gap:48px;align-items:center;
    padding:56px 0;border-bottom:1px solid #ECEAE8;
  }
  .service-detail:last-child{border-bottom:none;}
  .service-detail.reverse{grid-template-columns:1.1fr 0.9fr;}
  .service-detail.reverse .service-detail-visual{order:2;}
  .service-detail-visual{aspect-ratio:4/3;border-radius:8px;overflow:hidden;position:relative;}
  .service-detail-copy .num{font-family:var(--mono);font-size:12px;color:var(--red-accent);letter-spacing:0.1em;}
  .service-detail-copy h2{font-size:clamp(22px,2.6vw,30px);text-transform:uppercase;margin:12px 0 14px;}
  .service-detail-copy p{color:var(--charcoal);font-size:15px;margin-bottom:18px;}
  .service-detail-copy ul{display:grid;gap:10px;}
  .service-detail-copy ul li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;font-weight:600;}
  .service-detail-copy ul li::before{content:"";flex:none;width:8px;height:8px;background:var(--red-accent);margin-top:7px;border-radius:1px;}

  /* ============ FILTROS DE PROYECTOS ============ */
  .filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px;}
  .filter-pill{
    padding:9px 18px;border:1px solid var(--line-dark);border-radius:30px;
    font-size:13.5px;font-weight:600;color:var(--charcoal);background:var(--white);
    cursor:default;transition:border-color .2s ease, color .2s ease;
  }
  .filter-pill.active{background:var(--black);color:var(--white);border-color:var(--black);}

  /* ============ CTA FINAL ============ */
  .cta-band{
    background:var(--black);color:var(--white);text-align:center;position:relative;overflow:hidden;
  }
  .cta-band::after{
    content:"";position:absolute;right:-6%;top:-40%;width:50%;height:220%;
    background:linear-gradient(115deg, transparent 47%, var(--red-primary) 47.4%, transparent 48%);
    opacity:0.4;
  }
  .cta-band-inner{position:relative;z-index:2;max-width:620px;margin:0 auto;}
  .cta-band h2{font-size:clamp(26px,3.2vw,36px);text-transform:uppercase;margin-bottom:14px;}
  .cta-band p{color:rgba(255,255,255,0.7);margin-bottom:28px;font-size:15.5px;}
  .cta-band .btn-row{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

  /* ============ MAPA (Contacto) ============ */
  .map-frame{
    position:relative;aspect-ratio:16/8;border-radius:8px;overflow:hidden;
    background:var(--off-white);border:1px solid #E5E2DF;
  }
  .map-frame iframe{width:100%;height:100%;border:0;display:block;filter:grayscale(0.3);}

  @media (max-width:960px){
    .pillars-grid{grid-template-columns:1fr;}
    .process-grid{grid-template-columns:1fr 1fr;}
    .process-grid::before{display:none;}
    .service-detail, .service-detail.reverse{grid-template-columns:1fr;}
    .service-detail.reverse .service-detail-visual{order:0;}
  }
  @media (max-width:600px){
    .process-grid{grid-template-columns:1fr;}
  }

  /* variante clara del carrusel "también ofrecemos" para usar sobre fondo blanco */
  .additional-list.on-light li{
    background:var(--off-white);color:var(--black);
  }
  .additional-list.on-light li:hover{
    background:color-mix(in srgb, var(--tone) 12%, var(--off-white));
  }