:root{
  --ink:#14232b;--muted:#4f6470;--line:#dbe5ea;--bg:#f6fafb;--card:#fff;
  --teal:#0f5a5e;--teal-d:#0b4447;--blue:#1e88c9;--mint:#e3f4f1;--warn:#fff4e5;--warn-ink:#7a4b00;
  --r:14px;--shadow:0 6px 24px rgba(15,50,60,.08);
  font-size:17px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
img,svg{max-width:100%;height:auto}
a{color:var(--teal)}
a:hover{color:var(--blue)}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:99}

/* header */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:62px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.15rem;letter-spacing:-.01em}
.brand img{width:34px;height:34px}
.brand span b{color:var(--blue)}
.nav{display:flex;gap:4px;flex-wrap:wrap;align-items:center}
.nav a{text-decoration:none;color:var(--ink);padding:8px 10px;border-radius:10px;font-size:.92rem}
.nav a:hover,.nav a[aria-current=page]{background:var(--mint);color:var(--teal-d)}
.nav a.btn-primary,.nav a.btn-primary:hover{background:var(--teal);color:#fff}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:6px 10px;font-size:.95rem}
@media (max-width:760px){
  .nav-toggle{display:block}
  .nav{display:none;width:100%;flex-direction:column;align-items:stretch;padding-bottom:10px}
  .nav.open{display:flex}
}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:13px 22px;font-weight:700;font-size:1rem;cursor:pointer;text-decoration:none;line-height:1.2}
.btn-primary{background:var(--teal);color:#fff}.btn-primary:hover{background:var(--teal-d);color:#fff}
.btn-ghost{background:#fff;color:var(--teal);border:2px solid var(--teal)}
.btn-sm{padding:8px 14px;font-size:.9rem}

/* hero */
.hero{background:linear-gradient(160deg,#0f5a5e 0%,#12708a 60%,#1e88c9 100%);color:#fff;padding:56px 0 64px}
.hero h1{font-size:clamp(1.8rem,5.5vw,2.9rem);line-height:1.15;margin:0 0 14px;letter-spacing:-.02em}
.hero p.lead{font-size:1.12rem;max-width:640px;opacity:.95;margin:0 0 24px}
.hero .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.hero .cta-row{display:flex;gap:12px;flex-wrap:wrap}
.hero .note{font-size:.85rem;opacity:.85;margin-top:16px}
.page-hero{background:#fff;border-bottom:1px solid var(--line);padding:36px 0 30px}
.page-hero h1{font-size:clamp(1.6rem,4.6vw,2.4rem);line-height:1.2;margin:0 0 10px;letter-spacing:-.015em}
.page-hero p{color:var(--muted);max-width:720px;margin:0 0 18px}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:8px}.crumbs a{color:var(--muted)}

/* sections */
section.block{padding:44px 0}
section.block.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:clamp(1.35rem,3.6vw,1.8rem);line-height:1.25;margin:0 0 14px;letter-spacing:-.01em}
h3{font-size:1.12rem;margin:0 0 8px}
.grid{display:grid;gap:18px}
@media (min-width:700px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.card p{margin:0 0 8px;color:var(--muted)}
.card a.more{font-weight:700;text-decoration:none}
.icon{width:42px;height:42px;border-radius:12px;background:var(--mint);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:10px}
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:16px}
@media (min-width:760px){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px 20px 18px 64px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:18px;top:18px;width:32px;height:32px;border-radius:50%;background:var(--teal);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
.steps li strong{display:block;margin-bottom:4px}
.steps li span{color:var(--muted);font-size:.95rem}
.prose{max-width:760px}
.prose ul{padding-left:1.2em}
.prose li{margin:4px 0}
table.costs{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;font-size:.95rem}
table.costs th,table.costs td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.costs th{background:var(--mint);font-size:.85rem;text-transform:uppercase;letter-spacing:.03em;color:var(--teal-d)}
table.costs td.num{white-space:nowrap;font-weight:700}
.table-wrap{overflow-x:auto}
.src{font-size:.82rem;color:var(--muted)}
.callout{background:var(--mint);border-left:4px solid var(--teal);border-radius:10px;padding:14px 16px;margin:18px 0}
.callout.warn{background:var(--warn);border-color:#e0a030;color:var(--warn-ink)}
.draft-banner{background:#fff1f0;border:2px dashed #d93025;color:#8a1c14;border-radius:10px;padding:14px 16px;margin:0 0 20px;font-weight:600}
.todo{background:#fff1f0;color:#8a1c14;border:1px dashed #d93025;border-radius:6px;padding:1px 6px;font-size:.88em;font-weight:600}
.pill-list{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.pill-list li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:.88rem}
.cta-band{background:var(--teal);color:#fff;border-radius:var(--r);padding:28px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.cta-band h2{margin:0;font-size:1.35rem}.cta-band p{margin:4px 0 0;opacity:.9}
.cta-band .btn-primary{background:#fff;color:var(--teal)}

/* faq */
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 18px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:700;padding:15px 0;list-style:none;position:relative;padding-right:28px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:12px;font-size:1.4rem;color:var(--teal)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 16px;color:var(--muted)}

/* forms */
.form{display:grid;gap:12px;max-width:560px}
.form label{font-weight:600;font-size:.92rem;display:grid;gap:4px}
.form input,.form textarea,.form select{font:inherit;padding:11px 12px;border:1px solid #b9c9d1;border-radius:10px;background:#fff;width:100%}
.form .check{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:.88rem}
.form .check input{width:auto;margin-top:4px}
.hp{position:absolute;left:-5000px}

/* footer */
.site-footer{background:#0d2a30;color:#c9dadf;padding:40px 0 30px;margin-top:40px;font-size:.92rem}
.site-footer a{color:#fff}
.site-footer .cols{display:grid;gap:24px}
@media (min-width:760px){.site-footer .cols{grid-template-columns:2fr 1fr 1fr}}
.site-footer h2{color:#fff;margin:0 0 8px;font-size:.95rem;letter-spacing:0}
.site-footer ul{list-style:none;padding:0;margin:0}.site-footer li{margin:4px 0}
.disclosure{border-top:1px solid rgba(255,255,255,.15);margin-top:24px;padding-top:16px;font-size:.84rem;line-height:1.55}

/* chat widget */
.chat-launch{position:fixed;right:16px;bottom:16px;z-index:60;box-shadow:0 8px 28px rgba(0,0,0,.25)}
.chat-panel{position:fixed;right:16px;bottom:16px;width:min(400px,calc(100vw - 32px));height:min(640px,calc(100vh - 32px));background:#fff;border-radius:18px;box-shadow:0 18px 60px rgba(0,0,0,.28);z-index:70;display:none;flex-direction:column;overflow:hidden;border:1px solid var(--line)}
.chat-panel.open{display:flex}
@media (max-width:520px){.chat-panel{right:0;bottom:0;width:100vw;height:100dvh;border-radius:0}}
.chat-head{background:var(--teal);color:#fff;padding:12px 14px;display:flex;align-items:center;gap:10px}
.chat-head img{width:30px;height:30px;background:#fff;border-radius:8px;padding:3px}
.chat-head .t{flex:1;line-height:1.25}.chat-head .t b{display:block}.chat-head .t small{opacity:.85;font-size:.78rem}
.chat-head button{background:none;border:0;color:#fff;font-size:1.5rem;cursor:pointer;line-height:1;padding:4px 8px}
.chat-progress{height:4px;background:#e6eef1}.chat-progress i{display:block;height:100%;background:var(--blue);width:0;transition:width .3s}
.chat-log{flex:1;overflow-y:auto;padding:14px;background:var(--bg);display:flex;flex-direction:column;gap:10px}
.msg{max-width:86%;overflow-wrap:anywhere;padding:10px 13px;border-radius:14px;font-size:.95rem;line-height:1.45;white-space:pre-line}
.msg.bot{background:#fff;border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:4px}
.msg.user{background:var(--teal);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.msg.alert{background:var(--warn);border-color:#f0c070;color:var(--warn-ink)}
.chat-input{border-top:1px solid var(--line);padding:12px;background:#fff;display:grid;gap:8px;max-height:55%;overflow-y:auto}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opt{border:1.5px solid var(--teal);background:#fff;color:var(--teal);border-radius:999px;padding:8px 13px;font:inherit;font-size:.9rem;cursor:pointer;font-weight:600}
.opt:hover,.opt:focus{background:var(--mint)}
a.opt{text-decoration:none;display:inline-block;text-align:center}
.chat-input input,.chat-input textarea,.chat-input select{font:inherit;font-size:.95rem;padding:10px 11px;border:1px solid #b9c9d1;border-radius:10px;width:100%}
.chat-input .row{display:flex;gap:8px}.chat-input .row>*{flex:1}
.chat-input label{font-size:.82rem;font-weight:600;color:var(--muted);display:grid;gap:3px}
.chat-input .check{display:flex;gap:8px;align-items:flex-start;font-weight:400;font-size:.8rem;color:var(--ink)}
.chat-input .check input{width:auto;margin-top:3px}
.chat-input .err{color:#b3261e;font-size:.82rem}
.chat-input .back{background:none;border:0;color:var(--muted);font-size:.82rem;cursor:pointer;justify-self:start;padding:0;text-decoration:underline}