:root{--navy:#082f5c;--navy2:#06274b;--blue:#0d4a88;--blue2:#3b78b6;--yellow:#f4c318;--ink:#11243b;--muted:#60728a;--line:#dbe3ec;--soft:#f5f8fb;--green:#2d8a64;--shadow:0 18px 50px rgba(17,36,59,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--ink);background:#fff}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.container{width:min(1220px,calc(100% - 40px));margin:auto}header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.nav{height:74px;display:flex;align-items:center;gap:24px}.logo{font-size:30px;font-weight:850;letter-spacing:-1.5px}.logo span{color:var(--blue)}.logo small{display:block;font-size:8px;letter-spacing:.05em;font-weight:600;color:#687488;margin-top:-2px}nav{display:flex;gap:22px;margin-left:auto}nav a{font-size:12px;font-weight:800}nav a:hover,nav a.active{color:var(--blue)}.cta{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:8px;background:var(--navy);color:#fff;font-weight:800;font-size:12px;padding:15px 21px;cursor:pointer;transition:.18s}.cta:hover{background:var(--navy2);transform:translateY(-1px)}.cta-yellow{background:var(--yellow);color:#151515}.cta-yellow:hover{background:#eab900}.menu-btn,.mobile-nav{display:none}.hero{background:linear-gradient(90deg,#eaf3fb 0%,#f7fafc 46%,#eef5fb 100%);overflow:hidden}.hero-wrap{min-height:540px;display:grid;grid-template-columns:50% 50%}.hero-copy{padding:64px 44px 54px max(40px,calc((100vw - 1220px)/2));display:flex;flex-direction:column;justify-content:center}.eyebrow{display:block;font-size:11px;font-weight:900;letter-spacing:.13em;color:var(--blue);margin-bottom:12px}.hero-copy h1{font-size:50px;line-height:1.03;letter-spacing:-1.9px;margin:0 0 18px}.hero-copy>p{font-size:18px;line-height:1.55;color:#33465f;margin:0 0 24px;max-width:650px}.hero-badges{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 28px}.badge{background:#fff;border:1px solid #d9e5f0;border-radius:999px;padding:9px 12px;font-size:11px;font-weight:750;color:#38506b}.hero-actions{display:flex;gap:12px;align-items:center}.hero-note{font-size:11px!important;color:#60728a!important;margin:13px 0 0!important}.hero-photo{min-height:540px;background:center/cover no-repeat;position:relative}.hero-photo:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(247,250,252,.96),rgba(247,250,252,.28) 18%,rgba(247,250,252,0) 42%)}.section{padding:70px 0}.section-soft{background:var(--soft)}.section-title{font-size:34px;letter-spacing:-.8px;margin:0 0 12px}.section-lead{font-size:15px;line-height:1.72;color:var(--muted);max-width:850px;margin:0 0 30px}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.category-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;transition:.22s;display:flex;flex-direction:column;min-height:100%}.category-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.category-card img{width:100%;height:220px;object-fit:cover;display:block}.category-body{padding:20px;display:flex;flex-direction:column;flex:1}.category-body h3{margin:0 0 8px;font-size:19px}.category-body p{font-size:13px;line-height:1.62;color:var(--muted);margin:0 0 15px}.more{margin-top:auto;font-size:12px;font-weight:850;color:var(--blue)}.trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}.trust{border:1px solid var(--line);border-radius:12px;padding:17px;background:#fff}.trust b{font-size:14px}.trust p{font-size:11px;color:var(--muted);line-height:1.55;margin:6px 0 0}.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.catalog-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}.catalog-card .photo{height:190px;background:center/cover no-repeat}.catalog-body{padding:18px}.catalog-title{display:flex;justify-content:space-between;gap:14px;align-items:baseline}.catalog-title h3{margin:0;font-size:20px}.area-pill{font-size:11px;font-weight:900;background:#eaf3fb;color:var(--blue);padding:6px 9px;border-radius:999px;white-space:nowrap}.specs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}.spec{background:#f7f9fc;border-radius:8px;padding:9px}.spec small{display:block;color:var(--muted);font-size:10px}.spec b{display:block;font-size:12px;margin-top:3px;line-height:1.35}.catalog-foot{display:flex;justify-content:space-between;gap:12px;align-items:center;border-top:1px solid var(--line);margin-top:14px;padding-top:13px}.price-request{font-size:11px;font-weight:900}.text-link,.catalog-foot a{font-size:11px;color:var(--blue);font-weight:900}.image-band{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.image-band img{width:100%;height:390px;object-fit:cover;border-radius:16px;display:block}.image-band .content{background:var(--navy);color:#fff;border-radius:16px;padding:34px;display:flex;flex-direction:column;justify-content:center}.image-band h2{font-size:31px;margin:0 0 12px}.image-band p{font-size:13px;line-height:1.7;color:#d6e3ef}.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:11px 22px;margin:22px 0}.check{font-size:13px;display:flex;gap:10px;align-items:flex-start}.check:before{content:"✓";color:#fff;background:var(--green);border-radius:50%;width:20px;height:20px;display:grid;place-items:center;flex:0 0 auto;font-size:11px;font-weight:900}.cat-hero{min-height:390px;display:grid;grid-template-columns:50% 50%;background:#f1f6fb}.cat-hero-copy{padding:58px 42px 52px max(40px,calc((100vw - 1220px)/2));display:flex;flex-direction:column;justify-content:center}.cat-hero h1{font-size:45px;line-height:1.06;margin:0 0 15px;letter-spacing:-1.2px}.cat-hero p{font-size:17px;line-height:1.58;color:#42536b;margin:0 0 22px;max-width:650px}.cat-hero-img{background:center/cover no-repeat;min-height:390px}.crumbs{display:flex;align-items:center;gap:8px;padding-top:16px;padding-bottom:16px;font-size:11px;color:#667489}.crumbs a{color:var(--blue)}.crumbs strong{color:#45566a}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.feature{border:1px solid var(--line);border-radius:12px;padding:21px;background:#fff}.feature strong{font-size:14px}.feature p{font-size:12px;line-height:1.58;color:var(--muted);margin:7px 0 0}.cta-panel{background:var(--navy);color:#fff;border-radius:18px;padding:36px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:32px}.cta-panel h2{font-size:31px;margin:0 0 9px}.cta-panel p{color:#d4e1ee;font-size:13px;line-height:1.62;margin:0;max-width:760px}.cta-panel .eyebrow{color:#9ec6eb}.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start}.cta-actions .text-link{color:#fff}.faq{max-width:900px}.faq details{border-bottom:1px solid var(--line);padding:17px 0}.faq summary{cursor:pointer;font-weight:800;font-size:14px;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";float:right;color:var(--blue);font-size:20px}.faq details[open] summary:after{content:"−"}.faq p{font-size:13px;line-height:1.7;color:var(--muted);margin:12px 0 0}.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:stretch}.about-card{border:1px solid var(--line);border-radius:16px;padding:30px;background:#fff}.about-card h2,.about-card h3{margin-top:0}.about-card p{font-size:14px;line-height:1.75;color:var(--muted)}.about-points{display:grid;grid-template-columns:1fr 1fr;gap:12px}.about-point{background:#f6f9fc;border-radius:10px;padding:15px}.about-point b{display:block;font-size:13px;margin-bottom:5px}.about-point span{font-size:11px;line-height:1.5;color:var(--muted)}.contacts-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:22px}.contact-card{border:1px solid var(--line);border-radius:16px;padding:28px;background:#fff}.contact-card h2{margin:0 0 12px}.contact-person{padding:16px 0;border-top:1px solid var(--line)}.contact-person:first-of-type{border-top:0}.contact-person b{display:block;margin-bottom:4px}.contact-person a{display:block;font-size:13px;color:var(--blue);line-height:1.7}.form{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;color:var(--ink)}.form h2{margin:0 0 6px}.form>p{font-size:12px;color:var(--muted);line-height:1.55}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px}.full{grid-column:1/-1}input,select,textarea{width:100%;border:1px solid #d9e1eb;border-radius:8px;padding:12px 13px;background:#fff;outline:none;font-size:12px}input:focus,select:focus,textarea:focus{border-color:#7aa5d1;box-shadow:0 0 0 3px rgba(11,77,147,.07)}textarea{min-height:105px;resize:vertical}.consent{font-size:10px;color:#65758a;line-height:1.45}.consent input{width:auto;vertical-align:middle}.hp{position:absolute;left:-9999px}.notice{padding:12px 14px;border-radius:8px;background:#eef6ff;color:#174a7d;font-size:12px;margin-bottom:15px}.error{background:#fff0f0;color:#8b2525}.config-shell{display:grid;grid-template-columns:1fr 340px;gap:26px;align-items:start}.config-box{border:1px solid var(--line);border-radius:18px;background:#fff;padding:28px;box-shadow:0 12px 36px rgba(20,46,75,.05)}.config-step{display:none}.config-step.active{display:block}.step-head{display:flex;align-items:center;gap:12px;margin-bottom:22px}.step-no{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-weight:900}.step-head h2{margin:0;font-size:24px}.choice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:11px}.choice{border:1px solid var(--line);border-radius:10px;padding:14px;cursor:pointer;display:flex;gap:10px;align-items:flex-start}.choice:hover{border-color:#8fb4da;background:#f8fbfe}.choice input{width:auto;margin-top:2px}.choice b{font-size:13px;display:block}.choice small{font-size:10px;color:var(--muted);line-height:1.45}.config-actions{display:flex;justify-content:space-between;gap:12px;margin-top:24px}.config-summary{position:sticky;top:96px;border-radius:18px;background:var(--navy);color:#fff;padding:24px}.config-summary h3{margin:0 0 16px}.summary-row{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-top:1px solid rgba(255,255,255,.14);font-size:12px}.summary-row span{color:#bcd0e3}.summary-row b{text-align:right}.progress{height:6px;background:#e5ebf1;border-radius:999px;overflow:hidden;margin-bottom:22px}.progress i{display:block;height:100%;background:var(--yellow);width:25%;transition:.2s}.mini-note{font-size:10px;color:#bed0e0;line-height:1.5;margin-top:16px}.thanks{min-height:70vh;display:grid;place-items:center;background:#f4f8fc}.thanks-box{max-width:640px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:46px}.thanks-box h1{font-size:34px;margin:0 0 14px}.thanks-box p{color:var(--muted);line-height:1.7}footer{background:#062c58;color:#fff;padding:42px 0 20px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.2fr;gap:40px}.footer-logo{font-size:28px;font-weight:850}.footer-logo span{color:#79aee5}footer h4{font-size:12px;text-transform:uppercase;margin:0 0 14px}footer p,footer a{display:block;font-size:10px;color:#c9d6e5;line-height:1.8}.copy{border-top:1px solid rgba(255,255,255,.13);margin-top:25px;padding-top:15px;font-size:9px;color:#94acc6}@media(max-width:1000px){nav,.nav>.cta{display:none}.menu-btn{display:block;margin-left:auto;border:0;background:transparent;font-size:26px;color:var(--navy)}.mobile-nav{display:none;background:#fff;border-top:1px solid var(--line);padding:8px 20px 18px}.menu-open .mobile-nav{display:block}.mobile-nav a{display:block;padding:10px 0;font-size:12px;font-weight:800}.category-grid,.catalog-grid{grid-template-columns:repeat(2,1fr)}.trust-row,.feature-grid{grid-template-columns:repeat(2,1fr)}.about-grid,.contacts-grid,.config-shell{grid-template-columns:1fr}.config-summary{position:static}.cta-panel{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:650px){.container{width:min(100% - 22px,1220px)}.nav{height:64px}.logo{font-size:25px}.hero-wrap,.cat-hero{grid-template-columns:1fr}.hero-copy,.cat-hero-copy{padding:40px 18px 32px}.hero-copy h1,.cat-hero h1{font-size:35px}.hero-copy>p,.cat-hero p{font-size:15px}.hero-actions{flex-direction:column;align-items:stretch}.hero-photo,.cat-hero-img{min-height:270px}.section{padding:52px 0}.section-title{font-size:29px}.category-grid,.catalog-grid,.trust-row,.feature-grid,.about-points{grid-template-columns:1fr}.category-card img{height:205px}.image-band{grid-template-columns:1fr}.image-band img{height:290px}.specs,.form-grid,.choice-grid{grid-template-columns:1fr}.full{grid-column:auto}.cta-panel{padding:26px}.config-box{padding:20px}.footer-grid{grid-template-columns:1fr}.crumbs{overflow:auto;white-space:nowrap}.catalog-foot{align-items:flex-start;flex-direction:column}.contacts-grid{gap:14px}}
.catalog-desc{font-size:12px;line-height:1.55;color:var(--muted);margin:12px 0 0}.use-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0 0 18px}.use-card{background:#f6f9fc;border:1px solid var(--line);border-radius:12px;padding:16px}.use-card strong{font-size:13px}.use-card p{font-size:11px;line-height:1.5;color:var(--muted);margin:6px 0 0}@media(max-width:650px){.use-grid{grid-template-columns:1fr}}

/* v5 serial catalog */
.tech-card img{object-fit:contain;background:#edf5fb;padding:10px}
.product-illustration{background-size:contain!important;background-repeat:no-repeat!important;background-color:#edf5fb!important}
.product-kit .catalog-body{padding-top:16px}
.solution-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.solution-card{display:grid;grid-template-columns:240px 1fr;gap:22px;align-items:center;border:1px solid var(--line);border-radius:16px;background:#fff;padding:18px}
.solution-card img{width:100%;height:190px;object-fit:cover;border-radius:11px;background:#edf5fb}
.solution-card h3{margin:0 0 8px;font-size:21px}.solution-card p{font-size:12px;line-height:1.65;color:var(--muted);margin:0 0 13px}
.size-chips{display:flex;flex-wrap:wrap;gap:7px;margin:10px 0 15px}.size-chips span{background:#edf4fa;color:#284762;border:1px solid #d8e4ee;border-radius:999px;padding:6px 9px;font-size:10px;font-weight:800}
.mini-solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.mini-solution{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}.mini-solution img{width:100%;height:210px;object-fit:cover;background:#edf5fb}.mini-solution>div{padding:18px}.mini-solution h3{margin:0 0 8px;font-size:19px}.mini-solution p{font-size:12px;line-height:1.6;color:var(--muted);min-height:58px}
.info-box{margin-top:20px;border-left:4px solid var(--blue);background:#eef5fb;border-radius:9px;padding:18px 20px}.info-box h3{margin:0 0 6px}.info-box p{font-size:12px;line-height:1.7;color:var(--muted);margin:0}
@media(max-width:900px){.solution-card{grid-template-columns:1fr}.mini-solution-grid{grid-template-columns:1fr 1fr}}
@media(max-width:650px){.solution-pair,.mini-solution-grid{grid-template-columns:1fr}.solution-card img,.mini-solution img{height:190px}.hero-copy h1{font-size:34px}}

/* Accessibility improvements */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #f4c318;outline-offset:3px}
input::placeholder,textarea::placeholder{color:#5f6f82;opacity:1}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

/* knowledge base */
.knowledge-hero{background:linear-gradient(135deg,#eef5fb,#f8fbfe);padding:64px 0 58px;border-bottom:1px solid var(--line)}.knowledge-hero h1{font-size:44px;line-height:1.08;margin:8px 0 14px;max-width:900px}.knowledge-hero p{font-size:16px;line-height:1.65;color:var(--muted);max-width:850px}.knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.knowledge-card{display:block;border:1px solid var(--line);border-radius:15px;padding:24px;background:#fff;min-height:245px;transition:.2s}.knowledge-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.knowledge-card>span{font-size:10px;font-weight:850;letter-spacing:.08em;color:var(--blue);text-transform:uppercase}.knowledge-card h3{font-size:20px;line-height:1.25;margin:12px 0 10px}.knowledge-card p{font-size:12px;line-height:1.65;color:var(--muted);margin:0 0 18px}.knowledge-card b{font-size:11px;color:var(--blue)}.knowledge-home-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.knowledge-home-grid a{background:#fff;border:1px solid var(--line);border-radius:13px;padding:19px;transition:.2s}.knowledge-home-grid a:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.knowledge-home-grid b{display:block;font-size:14px;margin-bottom:8px}.knowledge-home-grid span{font-size:11px;line-height:1.55;color:var(--muted)}.article-page{padding:34px 0 70px}.article-wrap{display:grid;grid-template-columns:minmax(0,790px) 280px;gap:52px;align-items:start}.article-main h1{font-size:42px;line-height:1.1;margin:8px 0 16px}.article-lead{font-size:17px!important;color:#455b72!important;border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:26px!important}.article-main h2{font-size:24px;margin:31px 0 10px}.article-main h3{font-size:18px;margin:24px 0 8px}.article-main p,.article-main li{font-size:14px;line-height:1.8;color:#46596d}.article-main ul,.article-main ol{padding-left:22px}.article-table{width:100%;border-collapse:collapse;margin:20px 0 28px;font-size:12px}.article-table th,.article-table td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}.article-table th{background:#eef5fb;font-size:11px}.article-note{margin:24px 0;background:#fff8db;border-left:4px solid var(--yellow);border-radius:10px;padding:18px 20px}.article-note b{display:block;margin-bottom:5px}.article-note p{margin:0!important}.article-cta{margin-top:34px;background:#eef5fb;border-left:4px solid var(--blue);border-radius:10px;padding:22px}.article-cta>b{font-size:18px}.article-cta p{margin:7px 0 16px}.article-side{position:sticky;top:95px;border:1px solid var(--line);border-radius:14px;padding:22px;background:#fff}.article-side>b{font-size:17px}.article-side p{font-size:12px;line-height:1.6;color:var(--muted)}.article-side hr{border:0;border-top:1px solid var(--line);margin:22px 0}.article-side>a:not(.cta){font-size:11px;color:var(--blue);font-weight:800}.faq-compact details{border-top:1px solid var(--line);padding:14px 0}.faq-compact summary{cursor:pointer;font-weight:800;font-size:13px}.faq-compact p{margin:8px 0 0!important;font-size:12px!important}.knowledge-link{display:inline-flex;margin-top:18px;font-size:12px;font-weight:900;color:var(--blue)}@media(max-width:900px){.knowledge-grid{grid-template-columns:repeat(2,1fr)}.article-wrap{grid-template-columns:1fr}.article-side{position:static}.knowledge-home-grid{grid-template-columns:1fr 1fr}}@media(max-width:650px){.knowledge-grid,.knowledge-home-grid{grid-template-columns:1fr}.knowledge-hero{padding:44px 0}.knowledge-hero h1,.article-main h1{font-size:33px}.article-table{display:block;overflow-x:auto;white-space:nowrap}}


/* compact header + TopBudTrans logo */
.brand-logo{display:flex;align-items:center;flex:0 0 auto;padding:3px 0}
.brand-logo img{display:block;width:190px;height:auto;max-height:62px;object-fit:contain}
.nav{height:82px;gap:28px}
.nav nav{margin-left:auto;gap:27px}
.nav nav a{white-space:nowrap}
.nav>.cta{white-space:nowrap;padding:12px 16px}
.mobile-nav a{font-size:12px;font-weight:800}
@media(max-width:1000px){.nav{height:72px}.brand-logo img{width:160px;max-height:56px}}
@media(max-width:650px){.nav{height:66px}.brand-logo img{width:145px;max-height:50px}}

/* TentHub + TopBudTrans combined brand lockup */
.brand-lockup{display:flex;align-items:center;gap:12px;flex:0 0 auto;min-width:300px}
.brand-company-logo{display:block;width:122px;height:auto;max-height:44px;object-fit:contain}
.brand-divider{width:1px;height:34px;background:#d8e1eb;flex:0 0 auto}
.brand-tenthub{display:flex;flex-direction:column;line-height:1}
.brand-tenthub strong{font-size:27px;font-weight:900;letter-spacing:-1.35px;color:var(--navy)}
.brand-tenthub strong span{color:var(--blue)}
.brand-tenthub small{margin-top:5px;font-size:7px;font-weight:800;letter-spacing:.14em;color:#536982;white-space:nowrap}
@media(max-width:1120px){.brand-lockup{min-width:260px;gap:9px}.brand-company-logo{width:105px}.brand-tenthub strong{font-size:24px}.brand-tenthub small{font-size:6px}}
@media(max-width:1000px){.brand-lockup{min-width:0}.brand-company-logo{width:108px}.brand-divider{height:30px}.brand-tenthub strong{font-size:24px}.brand-tenthub small{font-size:6px}}
@media(max-width:650px){.brand-lockup{gap:8px}.brand-company-logo{display:none}.brand-divider{display:none}.brand-tenthub strong{font-size:26px}.brand-tenthub small{font-size:6.5px}}