:root{color-scheme:light;font-family:Arial,Helvetica,sans-serif;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:#20252b;background:#fff;line-height:1.5}a{color:#b82211}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #126b8a;outline-offset:3px}.fsi-header{height:72px;max-width:1200px;margin:auto;padding:0 24px;display:flex;align-items:center;gap:32px;justify-content:space-between}.fsi-brand{display:inline-flex;align-items:center;gap:10px;color:#1b2731;text-decoration:none}.fsi-brand strong{font-size:34px;line-height:1;color:#df2a10;letter-spacing:-3px}.fsi-brand span{font-size:10px;font-weight:800;line-height:1.2;letter-spacing:.07em}.fsi-header nav{display:flex;gap:24px}.fsi-header nav a,.fsi-header-phone{font-size:14px;font-weight:700;color:#28323a;text-decoration:none}.fsi-header a:hover{text-decoration:underline}.fsi-hero{background:#fff5f2;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:32px;align-items:center;padding:52px max(24px,calc((100vw - 1152px)/2));min-height:550px}.fsi-eyebrow{margin:0 0 14px;text-transform:uppercase;color:#b12614;font-size:12px;font-weight:800;letter-spacing:.13em}.fsi-hero h1{font-size:clamp(36px,4.4vw,58px);line-height:1.08;letter-spacing:-.04em;margin:0 0 22px;max-width:730px}.fsi-lead{font-size:19px;max-width:620px;margin:0 0 27px;color:#424a50}.fsi-actions{display:flex;flex-wrap:wrap;gap:12px}.fsi-button{min-height:52px;padding:13px 22px;display:inline-flex;align-items:center;justify-content:center;border-radius:7px;text-decoration:none;font:700 16px Arial,Helvetica,sans-serif;cursor:pointer;border:2px solid #d92b13;text-align:center}.fsi-button-primary{background:#df2a10;color:white}.fsi-button-primary:hover{background:#b91f0b;color:white}.fsi-button-light{background:#fff;color:#a82110}.fsi-button-light:hover{background:#ffe7df}.fsi-hero-contact{margin:22px 0 4px;font-weight:700}.fsi-coverage{color:#59616a;font-size:14px;margin:0}.fsi-hero-photo{position:relative;border-radius:18px;background:#fff;padding:22px;box-shadow:0 16px 48px #802d181a;display:grid;justify-items:center}.fsi-hero-photo img{display:block;width:min(100%,440px);height:auto;aspect-ratio:1;object-fit:contain}.fsi-hero-photo span{font-size:12px;color:#5e6670}.fsi-section{max-width:1152px;margin:auto;padding:76px 24px}.fsi-section-head{max-width:740px}.fsi-section h2{font-size:clamp(27px,3.2vw,40px);line-height:1.13;letter-spacing:-.03em;margin:0 0 16px}.fsi-section-head>p:last-child{color:#505960;margin:0 0 28px}.fsi-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.fsi-card{border:1px solid #e2e5e8;border-radius:12px;overflow:hidden;background:#fff;transition:box-shadow .2s}.fsi-card:hover{box-shadow:0 10px 30px #15293818}.fsi-card a{display:block;padding:18px;color:#20252b;text-decoration:none}.fsi-card img{width:100%;height:auto;aspect-ratio:1;object-fit:contain;display:block}.fsi-card h3{font-size:16px;line-height:1.35;min-height:44px;margin:14px 0 12px}.fsi-card span{font-weight:700;color:#b82211}.fsi-use-cases{margin-top:26px;padding:24px;border-left:4px solid #d92b13;background:#f7f8f9}.fsi-use-cases h3{margin:0 0 8px}.fsi-use-cases p{margin:0 0 9px}.fsi-benefits{max-width:none;background:#18232b;color:white;padding-left:max(24px,calc((100vw - 1104px)/2));padding-right:max(24px,calc((100vw - 1104px)/2))}.fsi-benefits .fsi-eyebrow{color:#ffac99}.fsi-benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.fsi-benefit-grid>div{border-top:2px solid #ed4b32;padding-top:20px}.fsi-benefit-grid strong{font-size:23px}.fsi-benefit-grid p{color:#d7e0e4;margin:7px 0 0}.fsi-quote{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:48px;align-items:start}.fsi-quote-intro p{color:#505960}.fsi-quote-intro .fsi-eyebrow{color:#b12614}.fsi-form{border:1px solid #dfe3e5;border-radius:14px;padding:25px;box-shadow:0 10px 28px #15293810}.fsi-form label{display:block;font-size:14px;font-weight:700;margin-bottom:16px}.fsi-form label span{color:#b12614}.fsi-form input,.fsi-form select,.fsi-form textarea{display:block;width:100%;border:1px solid #aab3b8;border-radius:6px;background:white;color:#20252b;font:16px Arial,Helvetica,sans-serif;padding:12px;margin-top:6px;min-height:46px}.fsi-form textarea{resize:vertical}.fsi-field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.fsi-form-error{background:#fff0ed;color:#9c2615;border-left:4px solid #c32b15;padding:10px 14px;margin-bottom:20px}.fsi-form-error p{margin:4px 0}.fsi-honeypot{position:absolute!important;left:-9999px!important}.fsi-submit{width:100%}.fsi-form-note{font-size:12px;color:#57626b;margin:11px 0 0}.fsi-footer{border-top:1px solid #e5e8ea;max-width:1152px;margin:auto;padding:30px 24px 46px;display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between;font-size:13px}.fsi-thanks{max-width:700px;margin:12vh auto;padding:35px 24px}.fsi-thanks h1{font-size:clamp(34px,6vw,52px);line-height:1.08;margin:0 0 20px}.fsi-thanks p{font-size:18px}.fsi-ref{font-size:13px!important;color:#59616a;margin-bottom:30px}.fsi-ref strong{font-family:monospace;overflow-wrap:anywhere}@media(max-width:760px){.fsi-header{height:64px;padding:0 18px}.fsi-header nav{display:none}.fsi-header-phone{font-size:13px}.fsi-hero{grid-template-columns:1fr;gap:26px;min-height:0;padding:33px 20px 40px}.fsi-hero h1{font-size:38px;margin-bottom:15px}.fsi-lead{font-size:17px;margin-bottom:22px}.fsi-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.fsi-button{font-size:14px;padding:10px 8px;min-height:50px}.fsi-hero-photo{max-width:400px;margin:auto;padding:10px;width:100%}.fsi-hero-photo img{max-height:280px}.fsi-section{padding:56px 20px}.fsi-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.fsi-card a{padding:10px}.fsi-card h3{font-size:13px;min-height:70px}.fsi-card span{font-size:12px}.fsi-benefits{padding:54px 20px}.fsi-benefit-grid{grid-template-columns:1fr;gap:24px}.fsi-quote{grid-template-columns:1fr;gap:15px}.fsi-form{padding:18px}.fsi-field-row{grid-template-columns:1fr;gap:0}.fsi-footer{padding:25px 20px;display:grid}}@media(max-width:390px){.fsi-header-phone{display:none}.fsi-hero h1{font-size:35px}.fsi-actions{grid-template-columns:1fr}.fsi-hero-photo img{max-height:220px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.fsi-card{transition:none}}

.fsi-hero-photo picture{display:block;width:min(100%,440px)}

/* Identidad FSI y encabezado de experiencia: ajuste visual de octubre 2026. */
.fsi-header{height:90px}
.fsi-brand{gap:12px}
.fsi-brand-logo{display:block;width:132px;height:70px;object-fit:contain}
.fsi-brand span{font-size:13px;line-height:1.25;letter-spacing:.045em}
.fsi-hero .fsi-eyebrow{font-size:18px;font-weight:800;color:#b51f0e;letter-spacing:.045em;line-height:1.4;margin-bottom:18px}
.fsi-footer-brand{display:flex;align-items:center;gap:14px;color:#20252b;text-decoration:none;flex:1 1 300px}
.fsi-footer-brand img{display:block;width:122px;height:65px;object-fit:contain;flex-shrink:0}
.fsi-footer-brand strong{font-size:14px;line-height:1.3}
@media(max-width:760px){.fsi-header{height:82px;padding:0 16px;gap:12px}.fsi-brand{gap:8px}.fsi-brand-logo{width:100px;height:54px}.fsi-brand span{font-size:10.5px;letter-spacing:.035em}.fsi-header-phone{font-size:12px;flex-shrink:0}.fsi-hero .fsi-eyebrow{font-size:16px;letter-spacing:.04em}.fsi-footer-brand{flex-basis:auto}}


/* Landing pages de Mantenimiento, Señalización y Capacitaciones. */
.fsi-hero-visual{min-height:360px;align-content:center;text-align:center;gap:14px;background:linear-gradient(145deg,#fff,#ffe9e2);color:#20252b}.fsi-hero-visual .fsi-visual-mark{width:144px;min-height:110px;margin:auto;border:3px solid #d92b13;border-radius:12px;display:grid;place-items:center;padding:16px;color:#b12614;font-weight:800;letter-spacing:.08em;line-height:1.2}.fsi-hero-visual strong{font-size:22px;line-height:1.2}.fsi-hero-visual span{font-size:13px;color:#59616a}.fsi-benefit-grid-light{color:#20252b}.fsi-benefit-grid-light>div{border-top-color:#d92b13}.fsi-benefit-grid-light p{color:#505960}@media(max-width:760px){.fsi-hero-visual{min-height:220px}.fsi-hero-visual .fsi-visual-mark{width:116px;min-height:82px;font-size:13px}.fsi-hero-visual strong{font-size:18px}}

/* Imágenes reales FSI para las landing de servicios. */
.fsi-hero-real{min-height:360px;align-content:center;background:#fff}
.fsi-hero-real img{width:100%;max-width:440px;height:auto;aspect-ratio:4/3;object-fit:contain;border-radius:10px}
.fsi-hero-real span{margin-top:10px;text-align:center}
@media(max-width:760px){.fsi-hero-real{min-height:0;padding:14px}.fsi-hero-real img{max-height:330px;aspect-ratio:auto;object-fit:contain}}

/* Ajustes de composición para hero de capacitación y señalización. */
.fsi-hero-training{min-height:360px;padding:0;overflow:hidden;align-content:stretch}
.fsi-hero-training img{display:block;width:100%;max-width:none;height:360px;aspect-ratio:auto;object-fit:cover;object-position:center;border-radius:0}
.fsi-hero-training span{width:100%;margin:0;padding:12px 16px;background:#fff;text-align:center}
.fsi-signage-showcase{min-height:360px;padding:0;overflow:hidden;align-content:stretch;background:#fff}
.fsi-signage-showcase img{display:block;width:100%;max-width:none;height:360px;aspect-ratio:auto;object-fit:cover;object-position:center;border-radius:0}
.fsi-signage-showcase span{width:100%;margin:0;padding:12px 16px;background:#fff;text-align:center}
@media(max-width:760px){.fsi-hero-training{min-height:0;padding:0}.fsi-hero-training img{height:280px}.fsi-signage-showcase{min-height:0;padding:0}.fsi-signage-showcase img{height:280px;max-height:none}}

/* Hero visual sin rótulos ni franjas blancas. */
.fsi-hero-photo{padding:0;overflow:hidden}
.fsi-hero-photo>span{display:none}
.fsi-hero-photo picture{width:100%;max-width:none}
.fsi-hero-photo picture img{width:100%;max-width:none}
.fsi-hero-real{padding:0;overflow:hidden;align-content:stretch}
.fsi-hero-real img{width:100%;max-width:none;height:360px;aspect-ratio:auto;object-fit:cover;object-position:center;border-radius:0}
@media(max-width:760px){.fsi-hero-photo{padding:0}.fsi-hero-real{padding:0}.fsi-hero-real img{height:280px;max-height:none;object-fit:cover}}