:root{--ink:#0b2530;--ink2:#2b4a57;--mute:#5b7682;--sky:#e0f2fe;--sky2:#bae6fd;--teal:#0f766e;--teal2:#0e7490;--aqua:#14b8a6;--line:rgba(14,116,144,.18);--glass:rgba(255,255,255,.62);--r:18px;--sh:0 10px 30px -12px rgba(11,37,48,.25);--wrap:1160px;--font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.bk{margin:0;font:17px/1.65 var(--font);color:var(--ink);background:linear-gradient(180deg,#f0f9ff 0,#f7fdfc 420px,#fff 900px) no-repeat,#fff}
img{max-width:100%;height:auto}
a{color:var(--teal2);text-underline-offset:3px}
a:hover{color:var(--teal)}
h1,h2,h3{line-height:1.2;letter-spacing:-.015em;color:var(--ink)}
h1{font-size:clamp(1.9rem,4.2vw,3rem);margin:.2em 0 .35em}
h2{font-size:clamp(1.4rem,2.6vw,1.9rem);margin:1.8em 0 .55em}
h3{font-size:1.2rem;margin:1.5em 0 .45em}
.bk-wrap{width:min(var(--wrap),100% - 32px);margin-inline:auto}
[hidden]{display:none!important}
.bk-sr,.bk-skip:not(:focus){position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.bk-skip:focus{position:fixed;top:8px;left:8px;z-index:99;background:#fff;padding:8px 14px;border-radius:8px}
.bk-glass{background:var(--glass);-webkit-backdrop-filter:blur(14px) saturate(1.3);backdrop-filter:blur(14px) saturate(1.3);border:1px solid rgba(255,255,255,.75);box-shadow:var(--sh),inset 0 1px 0 rgba(255,255,255,.9);border-radius:var(--r)} .bk-top{position:sticky;top:0;z-index:40;background:rgba(240,249,255,.78);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.bk-top__in{display:flex;align-items:center;gap:20px;min-height:66px}
.bk-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);margin-right:auto}
.bk-brand__t{display:flex;flex-direction:column;line-height:1.05}
.bk-brand__t strong{font-size:1.06rem;letter-spacing:-.01em}
.bk-brand__t small{font-size:.78rem;color:var(--teal);font-weight:600;letter-spacing:.14em;text-transform:uppercase}
.bk-menu{display:flex;align-items:center;gap:18px}
.bk-menu ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.bk-menu a:not(.bk-btn){display:block;padding:8px 12px;border-radius:10px;color:var(--ink2);text-decoration:none;font-weight:550}
.bk-menu a:not(.bk-btn):hover{background:rgba(14,116,144,.08);color:var(--ink)}
.bk-burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;position:relative;cursor:pointer}
.bk-burger span:first-child,.bk-burger span:first-child::before,.bk-burger span:first-child::after{position:absolute;left:12px;width:20px;height:2px;background:var(--ink);content:"";transition:.2s}
.bk-burger span:first-child{top:21px}.bk-burger span:first-child::before{top:-6px;left:0}.bk-burger span:first-child::after{top:6px;left:0}
.bk-burger[aria-expanded=true] span:first-child{background:transparent}
.bk-burger[aria-expanded=true] span:first-child::before{top:0;transform:rotate(45deg)}
.bk-burger[aria-expanded=true] span:first-child::after{top:0;transform:rotate(-45deg)} .bk-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 20px;border-radius:999px;font-weight:650;text-decoration:none;border:1px solid transparent;cursor:pointer;font-size:1rem;line-height:1.2;transition:transform .15s,box-shadow .15s,background .15s}
.bk-btn:hover{transform:translateY(-1px)}
.bk-btn--glow{color:#fff;background:linear-gradient(135deg,var(--teal2),var(--teal) 55%,#115e59);box-shadow:0 8px 22px -8px rgba(15,118,110,.7)}
.bk-btn--glow:hover{color:#fff;box-shadow:0 12px 26px -8px rgba(15,118,110,.8)}
.bk-btn--glass{color:var(--ink);background:rgba(255,255,255,.7);border-color:rgba(14,116,144,.25)}
.bk-btn--line{color:var(--teal);background:transparent;border-color:rgba(15,118,110,.45)}
.bk-btn--wa{color:#fff;background:#128c4a}
.bk-btn--big{width:100%;min-height:54px;font-size:1.08rem}
.bk-btnrow{display:flex;flex-wrap:wrap;gap:10px} .bk-hero{position:relative;overflow:hidden;padding:46px 0 56px;background:radial-gradient(1200px 500px at 85% -10%,rgba(125,211,252,.55),transparent 60%),radial-gradient(900px 480px at -10% 110%,rgba(20,184,166,.28),transparent 60%),linear-gradient(180deg,#e0f2fe,#ecfeff 70%,#f7fdfc)}
.bk-hero__panes{position:absolute;inset:0;display:flex;gap:2.2%;padding:0 4%;opacity:.5;pointer-events:none}
.bk-hero__panes i{flex:1;margin:18px 0 36px;border-radius:14px;background:linear-gradient(160deg,rgba(255,255,255,.65),rgba(255,255,255,.08) 45%,rgba(255,255,255,.35));border:1px solid rgba(255,255,255,.6)}
.bk-hero__grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.bk-hero h1 span{background:linear-gradient(90deg,var(--teal2),var(--aqua));-webkit-background-clip:text;background-clip:text;color:transparent}
.bk-kicker{display:inline-block;margin:0;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.7);border:1px solid var(--line);font-size:.86rem;font-weight:600;color:var(--teal)}
.bk-lead{font-size:1.12rem;color:var(--ink2);max-width:62ch}
.bk-ticks{list-style:none;padding:0;margin:16px 0 22px;display:grid;gap:6px}
.bk-ticks li{padding-left:28px;position:relative;font-weight:550}
.bk-ticks li::before{content:"";position:absolute;left:0;top:.35em;width:18px;height:18px;border-radius:6px;background:linear-gradient(135deg,var(--sky2),var(--aqua))}
.bk-ticks li::after{content:"";position:absolute;left:6px;top:.6em;width:6px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.bk-hero__cta{display:flex;flex-wrap:wrap;gap:10px} .bk-calc{padding:22px;display:grid;gap:14px}
.bk-calc__title{margin:0;font-weight:750;font-size:1.15rem}
.bk-calc label,.bk-f{display:grid;gap:5px;font-size:.92rem;font-weight:600;color:var(--ink2)}
.bk-calc input[type=number],.bk-calc select,.bk-form input:not([type=checkbox]):not([type=radio]),.bk-form select,.bk-form textarea{width:100%;min-height:46px;padding:10px 12px;border-radius:12px;border:1px solid rgba(14,116,144,.28);background:rgba(255,255,255,.9);font:inherit;font-size:1rem;color:var(--ink)}
.bk-calc input:focus,.bk-calc select:focus,.bk-form input:focus,.bk-form select:focus,.bk-form textarea:focus{outline:3px solid rgba(20,184,166,.35);border-color:var(--aqua)}
.bk-seg{border:0;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.bk-seg legend{font-size:.92rem;font-weight:600;color:var(--ink2);margin-bottom:6px}
.bk-seg label{display:block;font-weight:600}
.bk-seg input{position:absolute;opacity:0}
.bk-seg span{display:block;padding:8px 13px;border-radius:999px;border:1px solid rgba(14,116,144,.3);background:rgba(255,255,255,.75);cursor:pointer;font-size:.9rem}
.bk-seg input:checked+span{background:var(--ink);color:#fff;border-color:var(--ink)}
.bk-seg input:focus-visible+span{outline:3px solid rgba(20,184,166,.45)}
.bk-calc__faces{display:grid;gap:10px}
.bk-face{display:grid;grid-template-columns:auto 1fr 1fr;gap:10px;align-items:end}
.bk-face__n{font-size:.8rem;font-weight:700;color:var(--teal);padding-bottom:13px;min-width:56px}
.bk-calc__row{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:end}
.bk-check{display:flex!important;align-items:flex-start;gap:10px;font-weight:500!important;cursor:pointer}
.bk-check input{width:20px;height:20px;margin:2px 0 0;accent-color:var(--teal);flex:none}
.bk-calc__hint,.bk-calc__src,.bk-small{font-size:.84rem;color:var(--mute);margin:0}
.bk-calc__out{border-radius:14px;padding:16px;background:linear-gradient(135deg,rgba(14,116,144,.1),rgba(20,184,166,.14));border:1px solid rgba(20,184,166,.35)}
.bk-calc__out p{margin:0 0 6px}
.bk-calc__m2{font-weight:600;color:var(--ink2)}
.bk-calc__range{font-size:1.45rem;font-weight:800;letter-spacing:-.01em}
.bk-calc__note{font-size:.9rem}
.bk-calc__warn{margin:6px 0 12px;padding-left:18px;font-size:.88rem;color:var(--ink2)}
.bk-calc__err{color:#b42318;font-weight:600;margin:0}
.bk-calc--compact .bk-calc__hint{display:none} .bk-pagehead{padding:34px 0 18px;background:linear-gradient(180deg,#e0f2fe,rgba(224,242,254,0));border-bottom:1px solid var(--line)}
.bk-crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0 0 8px;font-size:.88rem;color:var(--mute)}
.bk-crumbs li+li::before{content:"/";margin-right:6px;opacity:.6}
.bk-meta{color:var(--mute);font-size:.92rem}
.bk-prose{max-width:780px;padding:20px 0 40px}
.bk-prose--wide{max-width:980px}
.bk-prose--home{max-width:var(--wrap)}
.bk-prose p,.bk-prose li{max-width:75ch}
.bk-prose ul,.bk-prose ol{padding-left:1.3em}
.bk-prose li{margin:.25em 0}
.bk-prose blockquote,.bk-note{margin:1.4em 0;padding:14px 18px;border-left:4px solid var(--aqua);background:#f0fdfa;border-radius:0 12px 12px 0}
.bk-note--warn{border-color:#f59e0b;background:#fffbeb}
.bk-tablewrap{overflow-x:auto;margin:1.2em 0}
.bk-table{border-collapse:collapse;width:100%;min-width:560px;font-size:.95rem}
.bk-table caption{text-align:left;font-weight:700;margin-bottom:8px}
.bk-table th,.bk-table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.bk-table thead th{background:#ecfeff;font-size:.86rem;color:var(--ink2)}
.bk-postgrid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px}
.bk-side{padding-top:24px}
.bk-side__box{padding:18px;margin-bottom:18px;display:grid;gap:8px}
.bk-side__box ul{margin:0;padding-left:1.1em}
.bk-side__h{font-weight:750;margin:0}
.bk-side{position:sticky;top:80px;align-self:start} .bk-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px;padding:26px 0 40px}
.bk-cards--inline{padding:8px 0}
.bk-card{padding:20px;display:flex;flex-direction:column;gap:6px}
.bk-card h2,.bk-card h3{margin:0;font-size:1.1rem}
.bk-card h2 a,.bk-card h3 a{color:var(--ink);text-decoration:none}
.bk-card p{margin:0;color:var(--ink2);font-size:.95rem}
.bk-card__more{margin-top:auto;font-weight:650}
.bk-chips{list-style:none;padding:0!important;display:flex;flex-wrap:wrap;gap:8px}
.bk-chips a{display:inline-block;padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);text-decoration:none;font-weight:600;color:var(--ink)}
.bk-chips a:hover{border-color:var(--aqua);background:#f0fdfa}
.bk-steps{counter-reset:s;list-style:none;padding:0!important;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.bk-steps li{counter-increment:s;padding:18px 18px 18px 64px;position:relative;border-radius:16px;background:#fff;border:1px solid var(--line);max-width:none!important}
.bk-steps li::before{content:counter(s);position:absolute;left:16px;top:16px;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:#fff;font-weight:800;background:linear-gradient(135deg,var(--teal2),var(--aqua))}
.bk-cta{padding:20px 22px;margin:1.8em 0}
.bk-cta p{margin:0 0 10px}
.bk-faq details{border:1px solid var(--line);border-radius:14px;background:#fff;margin:10px 0;overflow:hidden}
.bk-faq summary{cursor:pointer;padding:14px 18px;font-weight:650;list-style:none;position:relative;padding-right:44px}
.bk-faq summary::-webkit-details-marker{display:none}
.bk-faq summary::after{content:"+";position:absolute;right:18px;top:10px;font-size:1.4rem;color:var(--teal)}
.bk-faq details[open] summary::after{content:"\2013"}
.bk-faq details>div{padding:0 18px 8px} .bk-form{padding:24px;display:grid;gap:16px}
.bk-form__grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.bk-f--full{grid-column:1/-1}
.bk-consent{padding:12px 14px;border-radius:12px;background:rgba(240,253,250,.9);border:1px solid rgba(20,184,166,.35);font-size:.93rem}
.bk-hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.bk-alert{padding:12px 18px;border-radius:12px;background:#fef3f2;border:1px solid #fecdca;color:#7a271a;margin:0 0 16px}
.bk-alert ul{margin:4px 0}
.bk-alert--ok{background:#ecfdf3;border-color:#abefc6;color:#05603a} .bk-honest{margin-top:20px;margin-bottom:0}
.bk-honest p{margin:0;padding:12px 16px;border-radius:12px;border:1px dashed rgba(14,116,144,.4);background:#f8fdff;font-size:.92rem;color:var(--ink2)}
.bk-foot{margin-top:32px;background:radial-gradient(800px 300px at 90% 0,rgba(20,184,166,.18),transparent 60%),var(--ink);color:#cfe3ea;padding:40px 0 96px}
.bk-foot a{color:#e0f2fe;text-decoration:none}
.bk-foot a:hover{text-decoration:underline}
.bk-foot__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.bk-foot ul{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.bk-foot__brand{display:flex;align-items:center;gap:10px;color:#fff;margin-top:0}
.bk-foot__h{color:#fff;font-weight:700;margin-top:0}
.bk-foot__base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:.85rem} .bk-dock{display:none}
.pagination .nav-links{display:flex;gap:8px}.page-numbers{padding:6px 12px;border-radius:10px;border:1px solid var(--line);text-decoration:none}
@media (max-width:960px){
.bk-hero__grid,.bk-postgrid{grid-template-columns:1fr}
.bk-side{position:static}
.bk-foot__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
body.bk{font-size:16.5px}
.bk-burger{display:block}
.bk-menu{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;padding:12px 16px 18px;background:rgba(240,249,255,.97);border-bottom:1px solid var(--line);box-shadow:var(--sh)}
.bk-menu.is-open{display:flex}
.bk-menu ul{flex-direction:column}
.bk-menu a:not(.bk-btn){padding:12px}
.bk-hero{padding:26px 0 34px}
.bk-hero__panes{display:none}
.bk-form__grid,.bk-calc__row{grid-template-columns:1fr}
.bk-face{grid-template-columns:1fr 1fr}.bk-face__n{grid-column:1/-1;padding:0}
.bk-dock{display:flex;position:fixed;left:10px;right:10px;bottom:10px;z-index:50;gap:6px;padding:6px;border-radius:18px;background:rgba(11,37,48,.86);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 10px 30px rgba(11,37,48,.35);padding-bottom:calc(6px + env(safe-area-inset-bottom,0px))}
.bk-dock a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 4px;border-radius:13px;color:#e0f2fe;text-decoration:none;font-size:.8rem;font-weight:650}
.bk-dock svg{width:22px;height:22px}
.bk-dock__wa{background:#128c4a;color:#fff!important}
.bk-dock__call{background:rgba(255,255,255,.12)}
.bk-dock__lead{background:linear-gradient(135deg,var(--teal2),var(--aqua));color:#fff!important}
.bk-foot{padding-bottom:110px}
}
@media (max-width:520px){.bk-foot__grid{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}