:root{--blue:#173e6d;--blue-dark:#0b2748;--orange:#f28c28;--green:#187a4a;--ink:#142235;--muted:#526173;--line:#d9e0e8;--soft:#f4f7fa;--white:#fff;--shadow:0 18px 48px rgba(11,39,72,.12);--radius:18px;--max:1180px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;color:var(--ink);background:var(--white);font-family:Inter,Arial,sans-serif;line-height:1.6}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}.icon{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.skip-link{position:fixed;left:16px;top:-60px;z-index:9999;background:var(--white);color:var(--blue);padding:12px 16px;border-radius:8px}.skip-link:focus{top:16px}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}.nav{height:82px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;flex:0 0 auto}.brand img{width:190px;height:64px;object-fit:contain}.nav-links{display:flex;align-items:center;gap:28px;margin:0;padding:0;list-style:none}.nav-links a{font-size:.94rem;font-weight:700;color:#38485a}.nav-links a:hover,.nav-links a:focus-visible{color:var(--blue)}.nav-actions{display:flex;align-items:center;gap:12px}.menu-toggle{display:none;border:0;background:transparent;color:var(--blue);padding:10px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:12px 20px;border:2px solid transparent;border-radius:10px;font-weight:800;transition:.2s ease}.btn:hover{transform:translateY(-2px)}.btn:focus-visible,.menu-toggle:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #ffbf69;outline-offset:3px}.btn-primary{background:var(--blue);color:var(--white)}.btn-primary:hover{background:var(--blue-dark)}.btn-secondary{background:var(--white);color:var(--blue);border-color:var(--blue)}.btn-whatsapp{background:var(--green);color:var(--white)}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;color:var(--orange);font-size:.78rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.section{padding:88px 0}.section-soft{background:var(--soft)}.section-dark{background:var(--blue-dark);color:var(--white)}.section-head{max-width:740px;margin-bottom:42px}.section-head.center{text-align:center;margin-inline:auto}.section-title{margin:0 0 14px;font-size:clamp(2rem,4vw,3.25rem);line-height:1.08;letter-spacing:-.035em}.section-lead{margin:0;color:var(--muted);font-size:1.08rem}.section-dark .section-lead{color:#cbd6e2}.hero{position:relative;min-height:650px;display:flex;align-items:center;color:var(--white);background:url('../images/hero-sertep-v2.webp') center/cover no-repeat}.hero::before{content:"";position:absolute;inset:0;background:rgba(6,23,41,.65)}.hero .container{position:relative;z-index:1}.hero-content{max-width:690px;padding:92px 0}.hero-kicker{display:flex;align-items:center;gap:10px;color:#ffd1a2;font-size:.84rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.hero h1{margin:18px 0 20px;font-size:clamp(2.5rem,5.3vw,4.8rem);line-height:1.01;letter-spacing:-.05em}.hero p{max-width:640px;margin:0 0 30px;color:#e7edf4;font-size:1.17rem}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.hero .btn-secondary{background:rgba(255,255,255,.96)}.hero-proof{display:flex;flex-wrap:wrap;gap:18px;margin-top:34px;color:#f3f6f9;font-size:.91rem;font-weight:700}.hero-proof span{display:flex;align-items:center;gap:7px}.hero-proof .icon{color:#ffad5c}.trust-strip{background:var(--white);border-bottom:1px solid var(--line)}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.trust-item{padding:24px 20px;border-right:1px solid var(--line)}.trust-item:last-child{border:0}.trust-item strong{display:block;color:var(--blue);font-size:1.1rem}.trust-item span{color:var(--muted);font-size:.88rem}.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.service-card{position:relative;display:flex;gap:20px;padding:30px;background:var(--white);border:1px solid var(--line);border-top:5px solid var(--blue);border-radius:var(--radius);box-shadow:0 8px 28px rgba(11,39,72,.07)}.service-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}.service-icon{flex:0 0 54px;height:54px;display:grid;place-items:center;border-radius:14px;background:#eaf0f7;color:var(--blue)}.service-icon .icon{width:30px;height:30px}.service-card h3{margin:0 0 8px;color:var(--ink);font-size:1.35rem}.service-card p{margin:0 0 14px;color:var(--muted)}.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-weight:900}.text-link:hover{color:var(--orange)}.difference{display:grid;grid-template-columns:1.05fr 1fr;gap:54px;align-items:center}.difference-panel{padding:38px;border:1px solid #355675;border-radius:var(--radius);background:#102f52}.difference-panel .brand-statement{margin:0 0 24px;font-size:clamp(1.5rem,3vw,2.4rem);line-height:1.18}.check-list{display:grid;gap:14px;margin:0;padding:0;list-style:none}.check-list li{display:flex;gap:12px;align-items:flex-start;color:#dce5ed}.check-list .icon{flex:0 0 24px;color:#ffab57}.not-directory{display:inline-block;margin-bottom:20px;padding:8px 12px;border:1px solid #69819a;border-radius:999px;color:#fff;font-weight:900}.process{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;counter-reset:step}.process-step{position:relative;padding:24px 18px;background:var(--white);border:1px solid var(--line);border-radius:14px;text-align:center}.process-step::before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:38px;height:38px;margin:0 auto 14px;border-radius:50%;background:var(--blue);color:#fff;font-weight:900}.process-step:not(:last-child)::after{content:"";position:absolute;right:-15px;top:42px;width:16px;border-top:2px solid var(--orange)}.process-step strong{display:block;margin-bottom:4px}.process-step span{color:var(--muted);font-size:.83rem}.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.work-card{overflow:hidden;background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:0 6px 22px rgba(11,39,72,.07)}.work-card button{position:relative;width:100%;padding:0;border:0;background:none}.work-card img{width:100%;aspect-ratio:4/3;object-fit:cover}.work-card button::after{content:"";position:absolute;inset:0;background:rgba(10,39,70,0);transition:.2s}.work-card button:hover::after{background:rgba(10,39,70,.22)}.work-copy{padding:18px}.work-meta{display:flex;justify-content:space-between;gap:8px;margin-bottom:8px;color:var(--blue);font-size:.72rem;font-weight:900;text-transform:uppercase}.work-copy h3{margin:0 0 6px;font-size:1.05rem}.work-copy p{margin:0;color:var(--muted);font-size:.89rem}.work-result{display:block;margin-top:10px;color:var(--green);font-weight:800}.assurance-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.assurance-card{padding:28px;border-left:4px solid var(--orange);background:var(--white);border-radius:0 14px 14px 0}.assurance-card h3{margin:0 0 8px}.assurance-card p{margin:0;color:var(--muted)}.faq-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:60px}.faq-list{display:grid;gap:12px}.faq-list details{border:1px solid var(--line);border-radius:12px;background:#fff}.faq-list summary{display:flex;justify-content:space-between;gap:18px;padding:20px;font-weight:800;cursor:pointer;list-style:none}.faq-list summary::after{content:"+";color:var(--orange);font-size:1.3rem}.faq-list details[open] summary::after{content:"−"}.faq-list details p{margin:0;padding:0 20px 20px;color:var(--muted)}.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}.contact-list{display:grid;gap:18px;margin-top:30px}.contact-line{display:flex;gap:14px;align-items:flex-start}.contact-line .icon{color:var(--orange);flex:0 0 24px}.contact-line strong{display:block}.contact-line span,.contact-line a{color:#d5dfE8}.request-form{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:32px;background:var(--white);border-radius:var(--radius);color:var(--ink)}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:.88rem;font-weight:800}.field input,.field select,.field textarea{width:100%;border:1px solid #b8c3cf;border-radius:9px;padding:12px;background:#fff;color:var(--ink)}.field textarea{min-height:108px;resize:vertical}.consent{display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:.84rem}.consent input{margin-top:5px}.form-note{margin:0;color:var(--muted);font-size:.82rem}.form-status{display:none;margin:0;padding:12px;border-radius:8px;background:#e9f6ef;color:#0f6039;font-weight:700}.form-status.show{display:block}.site-footer{padding:58px 0 22px;background:#071a2e;color:#fff}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}.footer-brand img{width:200px;max-height:88px;object-fit:contain;filter:drop-shadow(0 1px 0 rgba(255,255,255,.35))}.footer-brand p,.footer a,.footer-copy{color:#bfcbd6}.footer h3{margin:0 0 14px;font-size:1rem}.footer ul{display:grid;gap:8px;margin:0;padding:0;list-style:none}.footer a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:40px;padding-top:20px;border-top:1px solid #294058;color:#9fb0bf;font-size:.82rem}.wa-float{position:fixed;right:22px;bottom:22px;z-index:900;display:grid;place-items:center;width:58px;height:58px;border-radius:50%;background:var(--green);color:#fff;box-shadow:0 8px 26px rgba(24,122,74,.35)}.wa-float:hover{transform:translateY(-3px)}.lightbox{position:fixed;inset:0;z-index:2000;display:none;place-items:center;padding:24px;background:rgba(3,14,25,.92)}.lightbox.open{display:grid}.lightbox-dialog{position:relative;max-width:950px;width:100%;background:#fff;border-radius:14px;overflow:hidden}.lightbox img{width:100%;max-height:72vh;object-fit:contain;background:#071a2e}.lightbox-caption{padding:18px;color:var(--ink)}.lightbox-close{position:absolute;right:12px;top:12px;z-index:1;display:grid;place-items:center;width:42px;height:42px;border:0;border-radius:50%;background:#fff;color:var(--ink)}.subhero{padding:80px 0;background:var(--blue-dark);color:#fff}.subhero .container{display:grid;grid-template-columns:1fr .9fr;gap:46px;align-items:center}.subhero h1{margin:0 0 16px;font-size:clamp(2.4rem,5vw,4rem);line-height:1.05}.subhero p{color:#d3dde7;font-size:1.08rem}.subhero img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius)}.content-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:44px}.content-card{padding:30px;border:1px solid var(--line);border-radius:var(--radius)}.content-card h2,.content-card h3{margin-top:0}.content-card p,.content-card li{color:var(--muted)}.service-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:26px 0;padding:0;list-style:none}.service-list a{display:flex;justify-content:space-between;padding:18px;border:1px solid var(--line);border-radius:10px;color:var(--blue);font-weight:800}.service-list a:hover{border-color:var(--orange)}
@media(max-width:1024px){.nav-links{gap:16px}.nav-actions .btn{display:none}.brand img{width:170px}.process{grid-template-columns:repeat(3,1fr)}.process-step:nth-child(3)::after{display:none}.gallery-grid{grid-template-columns:repeat(2,1fr)}.trust-grid{grid-template-columns:repeat(2,1fr)}.trust-item:nth-child(2){border-right:0}.trust-item:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:768px){.container{width:min(100% - 30px,var(--max))}.section{padding:68px 0}.nav{height:72px}.brand img{width:148px;height:56px}.menu-toggle{display:grid}.nav-links{position:fixed;inset:72px 0 auto;display:none;flex-direction:column;align-items:stretch;gap:0;padding:12px 20px 22px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{display:block;padding:13px 4px}.nav-actions{margin-left:auto}.hero{min-height:660px;background-position:62% center}.hero-content{padding:72px 0}.hero p{font-size:1.02rem}.hero-proof{display:grid;grid-template-columns:1fr 1fr}.service-grid,.difference,.faq-grid,.contact-grid,.subhero .container,.content-grid{grid-template-columns:1fr}.process{grid-template-columns:repeat(2,1fr)}.process-step:nth-child(3)::after{display:block}.process-step:nth-child(even)::after{display:none}.assurance-grid{grid-template-columns:1fr}.request-form{padding:24px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.subhero{padding:60px 0}.subhero img{order:-1}.service-list{grid-template-columns:1fr}}
@media(max-width:480px){.container{width:calc(100% - 24px)}.section{padding:56px 0}.hero{min-height:720px;background-position:64% center}.hero::before{background:rgba(5,20,36,.75)}.hero h1{font-size:2.55rem}.hero-actions,.hero-actions .btn{width:100%}.hero-proof{grid-template-columns:1fr;gap:10px}.trust-grid,.service-grid,.gallery-grid,.process,.footer-grid{grid-template-columns:1fr}.trust-item{border-right:0;border-bottom:1px solid var(--line)}.service-card{padding:24px 20px;display:block}.service-icon{margin-bottom:16px}.process-step::after{display:none!important}.work-card:nth-child(n+7){display:none}.request-form{grid-template-columns:1fr;padding:20px}.field.full{grid-column:auto}.footer-brand{grid-column:auto}.footer-bottom{display:block}.wa-float{width:52px;height:52px;right:14px;bottom:14px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Ajustes funcionales V2.1 */
.menu-toggle{width:46px;height:46px;place-items:center;border:1px solid #b9c6d3;border-radius:10px;background:#fff}
.menu-bars{display:grid;gap:5px;width:23px}
.menu-bars span{display:block;width:100%;height:2px;border-radius:2px;background:var(--blue);transition:transform .2s ease,opacity .2s ease}
.menu-toggle[aria-expanded="true"] .menu-bars span:first-child{transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] .menu-bars span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] .menu-bars span:last-child{transform:translateY(-7px) rotate(-45deg)}
.wa-float{display:flex;align-items:center;justify-content:center;gap:9px;width:auto;height:54px;padding:0 18px;border-radius:999px;font-size:.88rem;font-weight:900}
.wa-float svg{width:24px;height:24px;flex:0 0 24px;fill:currentColor}
.wa-label-short{display:none}
.service-subhero img{box-shadow:0 18px 46px rgba(0,0,0,.24)}
.service-feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.service-feature-card,.value-card,.mission-card,.payment-card{padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 24px rgba(11,39,72,.06)}
.service-feature-card{border-top:4px solid var(--blue)}
.service-feature-card{position:relative;overflow:hidden}
.feature-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:#e7eef6;color:var(--blue)}
.feature-icon .icon{width:29px;height:29px}
.feature-sequence{position:absolute;right:20px;top:18px;color:#9cabb9;font-size:.75rem;font-weight:900;letter-spacing:.08em}
.service-feature-card h3,.value-card h3,.payment-card h3{margin:15px 0 8px;color:var(--ink);font-size:1.08rem}
.service-feature-card p,.value-card p,.mission-card p,.payment-card p{margin:0;color:var(--muted);font-size:.92rem}
.feature-number,.value-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:#e7eef6;color:var(--blue);font-size:.82rem;font-weight:900}
.service-assurance{padding:30px 0;background:var(--blue-dark);color:#fff}
.service-assurance-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.service-assurance-grid div{padding-left:18px;border-left:3px solid var(--orange)}
.service-assurance-grid strong,.service-assurance-grid span{display:block}
.service-assurance-grid span{color:#cbd6e2;font-size:.88rem}
.mini-process{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin:0 0 44px;padding:0;list-style:none;counter-reset:mini}
.mini-process li{position:relative;padding:22px 14px;border:1px solid var(--line);border-radius:12px;text-align:center;background:#fff}
.mini-process li::before{counter-increment:mini;content:counter(mini);display:grid;place-items:center;width:34px;height:34px;margin:0 auto 12px;border-radius:50%;background:var(--blue);color:#fff;font-weight:900}
.mini-process strong,.mini-process span{display:block}.mini-process span{color:var(--muted);font-size:.8rem}
.service-cta{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:34px;border-radius:var(--radius);background:#eaf0f7;border-left:5px solid var(--orange)}
.service-cta h2{margin:0 0 8px}.service-cta p{max-width:720px;margin:0;color:var(--muted)}
.mission-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.mission-card{border-top:4px solid var(--blue)}.mission-card h2{margin:16px 0 8px}
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.value-card{border-top:4px solid var(--orange)}
.payment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.payment-card{border-top:4px solid var(--blue)}
.payment-steps{display:grid;gap:13px;padding-left:22px}.payment-note{background:#edf3f8}.payment-note .btn{margin-top:10px}
.service-card:nth-child(even) .service-icon{background:#fff0e1;color:#c76810}
.company-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.company-links a{display:inline-flex;align-items:center;gap:8px;padding:11px 15px;border:1px solid #6e8499;border-radius:9px;color:#fff;font-weight:800}
.company-links a:hover,.company-links a:focus-visible{border-color:var(--orange);background:#12385f}
.nav-company{position:relative}
.company-toggle{display:flex;align-items:center;gap:7px;padding:10px 0;border:0;background:transparent;color:#38485a;font-size:.94rem;font-weight:700}
.company-toggle::after{content:"";width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform .2s ease}
.nav-company.open .company-toggle::after{transform:translateY(2px) rotate(225deg)}
.company-toggle:hover,.company-toggle:focus-visible{color:var(--blue)}
.company-toggle:focus-visible{outline:3px solid #ffbf69;outline-offset:4px;border-radius:4px}
.company-menu{position:absolute;top:calc(100% + 10px);left:50%;z-index:1100;display:none;min-width:205px;margin:0;padding:9px;list-style:none;transform:translateX(-50%);border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:var(--shadow)}
.nav-company.open .company-menu,.nav-company:hover .company-menu,.nav-company:focus-within .company-menu{display:grid}
.nav-links .company-menu a{display:block;padding:10px 12px;border-radius:7px;white-space:nowrap}
.nav-links .company-menu a:hover,.nav-links .company-menu a:focus-visible{background:#edf3f8;color:var(--blue)}
@media(max-width:1024px){.service-feature-grid{grid-template-columns:repeat(2,1fr)}.mini-process{grid-template-columns:repeat(3,1fr)}.values-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){body.menu-open{overflow:hidden}.nav-links{max-height:calc(100vh - 72px);overflow:auto}.service-assurance-grid,.mission-grid,.payment-grid{grid-template-columns:1fr}.service-cta{align-items:flex-start;flex-direction:column}.service-cta .btn{width:100%}.company-links{display:grid}.company-links a{justify-content:space-between}.nav-company{width:100%}.company-toggle{width:100%;justify-content:space-between;padding:13px 4px}.company-menu{position:static;min-width:0;padding:2px 0 8px 15px;transform:none;border:0;border-left:3px solid var(--orange);border-radius:0;box-shadow:none}.nav-company:hover .company-menu{display:none}.nav-company.open .company-menu,.nav-company:focus-within .company-menu{display:grid}.nav-links .company-menu a{padding:10px 12px;font-size:.9rem}}
@media(max-width:480px){.service-feature-grid,.values-grid,.mini-process{grid-template-columns:1fr}.service-feature-card,.value-card,.mission-card,.payment-card{padding:22px}.wa-float{width:auto;height:50px;padding:0 14px;right:12px;bottom:12px}.wa-label-full{display:none}.wa-label-short{display:inline}.service-cta{padding:26px 22px}}