/* Refinement: preserve the three approved design systems. */
html{scroll-padding-top:118px}.v1{--hover-bg:#deefff;--panel-hover:#edf7ff}.v2{--hover-bg:#e0ead7;--panel-hover:#e9eedf}.v3{--hover-bg:#20475a;--panel-hover:#193b4c}
main>section.wrap{margin-block:52px}.section-head{margin-bottom:26px}.feature,.detail-layout,.technical-feature{gap:48px}.steps-section{padding-block:48px}.steps{gap:35px}.steps article>span{margin-bottom:15px}.steps p{margin-bottom:0}.cta{padding:35px 40px;border:0;border-radius:10px;position:relative;isolation:isolate;overflow:hidden;min-height:220px;background:var(--soft)}.cta:before{content:'';position:absolute;inset:0;z-index:-2;background:url('hero1-1280.webp') center/cover no-repeat}.cta:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#edf5fcf7 5%,#edf5fcef 45%,#edf5fccc);z-index:-1}.v2 .cta:before{background-image:url('hero2-1280.webp')}.v2 .cta:after{background:linear-gradient(90deg,#eaf0e2f7,#eaf0e2e8 55%,#eaf0e2c9)}.v3 .cta:before{background-image:url('tank-1280.webp')}.v3 .cta:after{background:linear-gradient(90deg,#102c3af7,#102c3aeb 60%,#102c3abe)}.cta p{max-width:550px}.cta h2{font-size:42px}.cta .label{margin-bottom:12px}
.page-intro{padding:32px 40px!important;border:1px solid var(--line);border-radius:10px;position:relative;isolation:isolate;overflow:hidden;background:var(--soft)}.page-intro:before{content:'';position:absolute;inset:0;z-index:-2;background:url('hero1-1280.webp') right center/cover no-repeat;opacity:.35}.page-intro:after{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,var(--bg) 10%,color-mix(in srgb,var(--bg) 94%,transparent) 53%,color-mix(in srgb,var(--bg) 20%,transparent))}.v2 .page-intro:before{background-image:url('hero2-1280.webp')}.v3 .page-intro:before{background-image:url('tank-1280.webp');opacity:.6}.page-intro h1{max-width:930px;font-size:clamp(36px,4.25vw,60px)}.page-intro p{max-width:750px}.breadcrumb{margin-bottom:16px}.v2 .editorial{margin-block:44px}.v2 .editorial p{margin:20px auto}.v2 .hero-green .hero-copy{padding:40px 0 35px}.green-photo{height:470px}.hero-blue{min-height:610px}.v3 .hero-dark{min-height:660px}.hero-copy{padding-block:55px}
.category{border-radius:9px;min-height:235px;padding:27px;border:1px solid #d2e2ee;background:linear-gradient(140deg,#f0f8ff,#dcefff);box-shadow:0 6px 20px #203c5005;transition:transform .25s ease,background .25s,border-color .25s,box-shadow .25s}.category:nth-child(2){background:linear-gradient(140deg,#f0faf8,#dcefe9);border-color:#c8e4db}.category:nth-child(3){background:linear-gradient(140deg,#fff8ec,#f4e5cd);border-color:#ead9bc}.category-num{margin-bottom:18px}.category p{margin-bottom:26px}.category:hover,.category:focus-visible{background:#d4eaff;border-color:var(--accent);box-shadow:0 12px 28px #1d53781e;transform:translateY(-5px)}.category:nth-child(2):hover{background:#cde9e0}.category:nth-child(3):hover{background:#f0ddb9}.round-arrow{transition:transform .25s}.category:hover .round-arrow{transform:translate(3px,-3px)}
.v2 .categories{gap:15px;border:0}.v2 .category{padding:27px;background:linear-gradient(145deg,#eff2e7,#dfe9d4);border:1px solid #d5ddca;border-radius:60px 5px 5px 5px}.v2 .category:nth-child(2){background:linear-gradient(145deg,#f8efdd,#eae0c7)}.v2 .category:nth-child(3){background:linear-gradient(145deg,#f4e7df,#ebd8c9)}.v2 .category:hover{background:#d7e5cb}.v2 .category:nth-child(2):hover{background:#e7d9b4}.v2 .category:nth-child(3):hover{background:#e7cdbb}.v2 .category-num{font-size:21px}
.v3 .category{background:linear-gradient(135deg,#153443,#102633);border-color:#2d5262;border-radius:0}.v3 .category:nth-child(2){background:linear-gradient(135deg,#173c39,#102d2b);border-color:#2d5950}.v3 .category:nth-child(3){background:linear-gradient(135deg,#3b3525,#272d2b);border-color:#55543d}.v3 .category:hover{background:#20495d;border-color:#64d8e0;box-shadow:0 10px 35px #61d7df18}.v3 .category:nth-child(2):hover{background:#23524a}.v3 .category:nth-child(3):hover{background:#494534}
.service-card{transition:transform .3s,box-shadow .3s,border-color .3s,background .3s}.service-card:hover,.service-card:focus-visible{background:var(--panel-hover);border-color:var(--accent);box-shadow:0 16px 34px #14395820;transform:translateY(-5px)}.card-content{padding:22px}.service-card .text-link{transition:color .2s,transform .2s}.service-card:hover .text-link{transform:translateX(5px)}.card-photo{position:relative}.card-photo:after{content:'';pointer-events:none;position:absolute;inset:0;background:linear-gradient(120deg,transparent 25%,#fff8 47%,transparent 65%);transform:translateX(-120%);transition:transform .7s}.service-card:hover .card-photo:after{transform:translateX(120%)}.btn{position:relative;isolation:isolate;overflow:hidden;transition:transform .22s,background .22s,box-shadow .22s}.btn:after{content:'';position:absolute;inset:0;z-index:-1;background:#fff2;transform:translateX(-102%);transition:transform .3s}.btn:hover:after,.btn:focus-visible:after{transform:none}.btn:active,.category:active,.service-card:active{transform:translateY(0) scale(.985)}.header nav>a{transition:color .2s}.header nav>a:hover{color:var(--accent)}.steps article{padding:20px;border:1px solid var(--line);background:color-mix(in srgb,var(--bg) 72%,transparent);border-radius:8px;transition:background .25s,transform .25s}.steps article:hover{background:var(--hover-bg);transform:translateY(-3px)}.v2 .steps article{background:#315541;border-color:#67816a}.v2 .steps article:hover{background:#3b674e}.v3 .steps article:hover{background:#1c4052}.feature,.technical-feature{position:relative}.feature:after,.technical-feature:after{content:'';position:absolute;width:140px;height:140px;border:1px solid var(--line);border-radius:50%;right:-16px;top:-18px;z-index:-1;box-shadow:0 0 0 20px color-mix(in srgb,var(--soft) 65%,transparent)}
.detail-note{padding:30px 35px;border-left:4px solid var(--accent);border-radius:0 8px 8px 0;background:linear-gradient(115deg,var(--soft),var(--bg))}.contact-layout{gap:44px}.form-panel{border:1px solid var(--line);box-shadow:0 14px 45px #1b38440b}.gallery-section>.section-head{margin-bottom:24px}.gallery-grid{gap:22px}.gallery-grid figure{border:1px solid var(--line);border-radius:7px;transition:transform .25s,box-shadow .25s}.gallery-grid figure:hover{transform:translateY(-4px);box-shadow:0 10px 25px #15334618}.gallery-grid img{height:245px;max-height:245px}.gallery-grid figure:last-child img{max-width:480px}.tank-tabs,.category-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-block:30px}.tank-tabs a,.category-tabs a{padding:11px 18px;border:1px solid var(--line);border-radius:5px;background:var(--soft);font-size:13px;font-weight:700;transition:background .2s,transform .2s}.tank-tabs a:hover,.category-tabs a:hover{background:var(--hover-bg);transform:translateY(-2px)}.tank-section{scroll-margin-top:120px}.tank-section+.tank-section{border-top:1px solid var(--line);padding-top:40px}.tank-section h2{font-size:36px}.service-category-section{scroll-margin-top:120px}.service-category-section>.section-head p{max-width:440px}
.offer-band{--band:#185bd6;--band-ink:#fff;display:flex;align-items:center;position:relative;isolation:isolate;background:var(--band);color:var(--band-ink);min-height:64px;overflow:hidden;border-block:1px solid #ffffff26;margin:0;padding:0;width:100%}.offer-band-2{--band:#d9effa;--band-ink:#153b56;margin-top:38px;margin-bottom:38px}.offer-window{overflow:hidden;flex:1;min-width:0}.offer-scroll{transform:translateX(var(--offer-shift,0px));will-change:transform}.offer-track{display:flex;width:max-content;animation:offer-travel 48s linear infinite}.offer-band-2 .offer-track{animation-direction:reverse;animation-duration:53s}.offer-group{display:flex;align-items:center;flex-shrink:0;white-space:nowrap}.offer-item{display:inline-flex;align-items:center;gap:25px;padding:18px 25px;font-size:13px;letter-spacing:.045em;text-transform:uppercase;line-height:1.5}.offer-item strong{font-size:18px;letter-spacing:.005em}.offer-item i{font-style:normal;font-size:21px;opacity:.8}.offer-pause{display:grid;place-items:center;flex-shrink:0;width:46px;height:46px;margin:7px 12px 7px 0;border:1px solid currentColor;color:inherit;background:transparent;border-radius:50%;position:relative;z-index:2;font-size:15px;transition:background .2s}.offer-pause:hover{background:#ffffff24}.offer-band.paused .offer-track,.offer-band:focus-within .offer-track,.offer-band:hover .offer-track{animation-play-state:paused}.offer-band-1{box-shadow:0 6px 24px #102b4112}.v2 .offer-band{--band:#2d543e;--band-ink:#fff5dc}.v2 .offer-band-2{--band:#e3d4ae;--band-ink:#294630}.v2 .offer-item strong{font-family:Georgia,serif;font-weight:400;font-size:22px;text-transform:none}.v3 .offer-band{--band:#60d9df;--band-ink:#082631}.v3 .offer-band-2{--band:#183e4d;--band-ink:#9ceff1;border-color:#356374}.v3 .offer-item{font-family:monospace}.v3 .offer-item strong{font-family:Arial,sans-serif}.offer-band a:hover strong{text-decoration:underline;text-underline-offset:4px}@keyframes offer-travel{from{transform:translateX(-50%)}to{transform:translateX(0)}}
footer{padding-top:45px;padding-bottom:65px}.footer-grid{gap:30px}.footer-social{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:25px 0 0}.footer-social>span{font-size:11px;text-transform:uppercase;letter-spacing:.15em;color:#c1cfdf}.social-icons{display:flex;align-items:center;justify-content:center;gap:12px;width:100%}.footer-social .social{width:46px;height:46px;margin:0;display:grid;place-items:center;border-color:#7e9aad;background:#ffffff08;transition:background .25s,transform .25s,border-color .25s}.footer-social .social svg{width:23px;height:23px;display:block}.footer-social .social:hover,.footer-social .social:focus-visible{background:#fff;color:#174572;transform:translateY(-3px);border-color:white}.footer-social .social[aria-label=WhatsApp]:hover{color:#08713e}.footer-bottom{margin-top:25px;padding-top:20px}.js-motion .reveal.pending{opacity:1;transform:none}.reveal{opacity:1}.hero-copy{animation:none}.hero-blue>img{animation:none}
@media(min-width:1600px){.hero-blue,.hero-dark{min-height:670px}}
@media(max-width:900px){.feature,.detail-layout,.technical-feature{gap:28px}.contact-layout{gap:25px}.cta{padding:28px}.cta h2{font-size:35px}.green-photo{height:420px}.hero-blue{min-height:580px}.v3 .hero-dark{min-height:640px}.offer-item{gap:20px;padding-inline:20px;font-size:12px}.offer-item strong{font-size:16px}.page-intro{padding:28px!important}.v2 .categories{gap:12px}.v2 .category{padding:23px 20px}.v2 .category h3{font-size:23px}}
@media(max-width:600px){html{scroll-padding-top:90px}main>section.wrap{margin-block:34px}.wrap{width:calc(100% - 36px)}.hero-blue{min-height:530px}.hero-copy{padding-block:40px}.v3 .hero-dark{min-height:600px}.v3 .hero-copy{padding-block:35px}.v2 .hero-green .hero-copy{padding:28px 0;gap:18px}.v2 .hero-copy h1{font-size:41px}.v2 .hero-copy p{margin-bottom:20px}.green-photo{height:340px}.v2 .editorial{margin-block:34px}.page-intro{padding:25px 20px!important;border-radius:7px}.page-intro h1{font-size:36px}.page-intro p{font-size:15px;margin-top:18px}.page-intro:before{background-image:url('hero1-800.webp')}.v2 .page-intro:before{background-image:url('hero2-800.webp')}.v3 .page-intro:before{background-image:url('tank-800.webp')}.page-intro:after{background:linear-gradient(90deg,var(--bg),color-mix(in srgb,var(--bg) 87%,transparent))}.category{padding:21px;min-height:0}.category p{margin-bottom:0}.category-num{margin-bottom:12px}.v2 .category{padding:24px;border-radius:45px 5px 5px 5px}.v3 .category{padding:23px}.section-head{margin-bottom:22px}.section-head p,.section-head>a{margin-top:15px}.service-grid{gap:20px}.card-content{padding:21px}.steps-section{padding:34px 0}.steps{gap:14px}.steps article{padding:18px;column-gap:8px;grid-template-columns:29px 1fr}.steps article>span{margin-bottom:0}.steps h3{font-size:22px}.steps p{margin:10px 0 0}.cta{padding:27px 22px;min-height:0}.cta h2{font-size:34px}.cta .btn{margin-top:22px}.cta:before{background-image:url('hero1-800.webp')}.v2 .cta:before{background-image:url('hero2-800.webp')}.v3 .cta:before{background-image:url('tank-800.webp')}.offer-band{min-height:58px}.offer-band-2{margin-block:28px}.offer-item{gap:16px;padding:16px;font-size:11px}.offer-item strong{font-size:15px}.v2 .offer-item strong{font-size:19px}.offer-item i{font-size:17px}.offer-pause{width:38px;height:38px;margin-right:9px;font-size:12px}.detail-note{padding:24px}.tank-tabs,.category-tabs{margin-block:24px;gap:8px}.tank-tabs a,.category-tabs a{font-size:12px;padding:10px 12px}.tank-section{scroll-margin-top:92px}.tank-section h2{font-size:30px}.tank-section+.tank-section{padding-top:28px}.gallery-grid img{height:auto;max-height:250px}.gallery-grid{gap:18px}.feature:after,.technical-feature:after{width:90px;height:90px;right:0}.contact-layout{gap:30px}.footer-grid{gap:24px 20px}footer{padding-top:35px;padding-bottom:72px}.footer-social{padding-top:22px}.footer-bottom{margin-top:22px}.gallery-grid figure{margin:0}}
@media(prefers-reduced-motion:reduce){.offer-track{animation:none!important}.offer-scroll{transform:none!important}.offer-pause{display:none}.offer-track .offer-group[aria-hidden=true]{display:none}.offer-window{overflow-x:auto}.offer-item:not(:first-child){display:none}.offer-item{white-space:normal;flex-wrap:wrap;gap:8px 14px}.offer-group{white-space:normal}.offer-track{width:auto}}