:root{
  --navy:#0f2a44;--navy-2:#16395c;--ink:#1c2733;--muted:#51606f;--line:#dfe4ea;
  --bg:#ffffff;--soft:#f5f7f9;--accent:#8a5a1c;--accent-2:#b8893b;--wa:#1f8f4e;
  --radius:10px;--max:1160px;
  --serif:Georgia,"Times New Roman","Noto Serif SC",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 var(--sans)}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy-2);text-underline-offset:3px}
a:hover{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent-2);outline-offset:2px}
h1,h2,h3{font-family:var(--serif);color:var(--navy);line-height:1.2;font-weight:700}
h1{font-size:clamp(2rem,4.6vw,3.1rem);margin:.2em 0 .45em}
h2{font-size:clamp(1.5rem,3vw,2.05rem);margin:1.6em 0 .6em}
h3{font-size:1.2rem;margin:1.3em 0 .4em}
p{margin:0 0 1em}
ul,ol{padding-left:1.25em;margin:0 0 1.1em}
li{margin:.3em 0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.narrow{max-width:780px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px;top:8px}
.eyebrow{font:600 .8rem/1.2 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin:0 0 .6em}
.lead{font-size:1.15rem;color:var(--muted)}
.muted{color:var(--muted)}
.small{font-size:.9rem}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}
.hbar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);font:700 1.2rem/1 var(--serif)}
.brand img{width:40px;height:40px;object-fit:contain}
.nav{display:flex;align-items:center;gap:4px}
.nav>ul{list-style:none;margin:0;padding:0;display:flex;gap:2px;align-items:center}
.nav li{position:relative;margin:0}
.nav a,.nav .sub-toggle{display:block;padding:10px 11px;text-decoration:none;color:var(--ink);font:500 .95rem/1.2 var(--sans);border-radius:6px;background:none;border:0;cursor:pointer}
.nav a:hover,.nav .sub-toggle:hover{background:var(--soft);color:var(--navy)}
.nav a[aria-current=page]{color:var(--accent)}
.sub{list-style:none;margin:0;padding:8px;position:absolute;left:0;top:100%;min-width:270px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 30px rgba(15,42,68,.12);display:none}
.has-sub:hover>.sub,.has-sub:focus-within>.sub,.has-sub.open>.sub{display:block}
.sub a{padding:9px 10px;font-weight:400}
.caret{font-size:.7em;margin-left:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:8px;font:600 1rem/1.2 var(--sans);text-decoration:none;border:2px solid transparent;cursor:pointer;min-height:48px}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-2);color:#fff}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{background:#177a41;color:#fff}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--navy)}
.btn-ghost:hover{background:var(--soft);color:var(--navy)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin:1.4em 0 0}
.nav .btn{padding:10px 16px;min-height:42px;color:#fff;margin-left:8px;background:var(--navy)}
.nav .btn:hover{background:var(--navy-2);color:#fff}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:10px 12px;font:600 .95rem var(--sans);color:var(--navy);cursor:pointer;min-height:44px}
@media (max-width:980px){
  .menu-btn{display:block}
  .nav{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);display:none;flex-direction:column;align-items:stretch;padding:8px 20px 18px;max-height:calc(100vh - 68px);overflow:auto}
  .nav.open{display:flex}
  .nav>ul{flex-direction:column;align-items:stretch}
  .sub{position:static;display:none;box-shadow:none;border:0;padding:0 0 0 14px;min-width:0}
  .has-sub:hover>.sub,.has-sub:focus-within>.sub{display:none}
  .has-sub.open>.sub{display:block}
  .nav .sub-toggle{width:100%;text-align:left}
  .nav .btn{margin:10px 0 0}
}

/* hero */
.hero{position:relative;color:#fff;background:var(--navy)}
.hero picture,.hero .hero-img{position:absolute;inset:0}
.hero .hero-img img{width:100%;height:100%;object-fit:cover}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,28,46,.93) 0%,rgba(10,28,46,.82) 50%,rgba(10,28,46,.45) 100%)}
.hero .wrap{position:relative;z-index:1;padding-top:88px;padding-bottom:88px}
.hero h1{color:#fff;max-width:760px}
.hero .lead{color:#dbe3ea;max-width:680px}
.hero .eyebrow{color:#e2bd7d}
.hero .btn-ghost{background:transparent;color:#fff;border-color:#fff}
.hero .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.page-hero{background:var(--soft);border-bottom:1px solid var(--line)}
.page-hero .wrap{padding-top:34px;padding-bottom:42px}
.page-hero .lead{max-width:800px}
.crumbs{font-size:.88rem;color:var(--muted);margin:0 0 14px}
.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li{margin:0}
.crumbs li+li:before{content:"/";margin-right:6px;color:#9aa5b1}
.crumbs a{color:var(--muted)}

/* sections */
section{padding:60px 0}
section.alt{background:var(--soft)}
section.tight{padding:40px 0}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column}
.card h3{margin-top:0}
.card p{color:var(--muted)}
.card .more{margin-top:auto;font-weight:600;text-decoration:none}
.card .more:after{content:" →"}
a.card{text-decoration:none;color:inherit;transition:border-color .15s,box-shadow .15s}
a.card:hover{border-color:var(--navy-2);box-shadow:0 8px 24px rgba(15,42,68,.08)}
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:26px}}
.figure img{border-radius:var(--radius);width:100%;aspect-ratio:16/10;object-fit:cover}
.figure figcaption{font-size:.8rem;color:var(--muted);margin-top:6px}
.answer{border-left:4px solid var(--accent-2);background:#fbf7f0;padding:16px 20px;border-radius:0 var(--radius) var(--radius) 0;margin:0 0 1.4em}
.answer p:last-child{margin:0}
.scope{border:1px solid #cdd6e0;background:#f3f6fa;border-radius:var(--radius);padding:20px 22px;margin:1.4em 0}
.scope h2,.scope h3{margin-top:0;font-size:1.15rem}
.scope p:last-child,.scope ul:last-child{margin-bottom:0}
.checks{list-style:none;padding:0}
.checks li{padding-left:28px;position:relative}
.checks li:before{content:"";position:absolute;left:4px;top:.55em;width:12px;height:7px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:14px}
.steps li{counter-increment:s;position:relative;padding:16px 18px 16px 62px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin:0}
.steps li:before{content:counter(s);position:absolute;left:18px;top:14px;width:30px;height:30px;border-radius:50%;background:var(--navy);color:#fff;font:700 .95rem/30px var(--sans);text-align:center}
.steps strong{display:block;color:var(--navy)}
.faq details{border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin:0 0 10px}
.faq summary{cursor:pointer;padding:16px 20px;font-weight:600;color:var(--navy);list-style:none;position:relative;padding-right:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:20px;top:12px;font-size:1.4rem;color:var(--accent)}
.faq details[open] summary:after{content:"−"}
.faq details>div{padding:0 20px 14px}
.cta-band{background:var(--navy);color:#fff}
.cta-band h2{color:#fff;margin-top:0}
.cta-band p{color:#d5dde5}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:#fff}
.cta-band .btn-primary{background:#fff;color:var(--navy)}
.tag{display:inline-block;font:600 .75rem/1 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:#fbf2e4;border-radius:4px;padding:5px 7px;margin-bottom:10px}
.article-meta{font-size:.9rem;color:var(--muted);margin:0 0 1.2em}
.prose h2{font-size:1.55rem}
.note{font-size:.9rem;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-top:2em}
table{border-collapse:collapse;width:100%;margin:0 0 1.2em;font-size:.95rem}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
th{background:var(--soft);color:var(--navy)}
.table-scroll{overflow-x:auto}

/* form */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.field{margin:0 0 16px}
.field label{display:block;font-weight:600;margin:0 0 6px;color:var(--navy)}
.field .hint{font-weight:400;color:var(--muted);font-size:.88rem}
input,select,textarea{width:100%;font:inherit;padding:11px 12px;border:1px solid #b9c3cd;border-radius:8px;background:#fff;color:var(--ink);min-height:46px}
textarea{min-height:140px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--navy-2);outline:2px solid rgba(22,57,92,.25)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.92rem}
.consent input{width:20px;min-height:20px;margin-top:4px;flex:0 0 auto}
.form-status{font-size:.92rem;color:var(--muted);margin-top:10px}
.contact-list{list-style:none;padding:0}
.contact-list li{padding:12px 0;border-bottom:1px solid var(--line);margin:0}
.contact-list strong{display:block;color:var(--navy);font-size:.85rem;text-transform:uppercase;letter-spacing:.06em}

/* footer */
.site-footer{background:#0b1f33;color:#c3cdd7;font-size:.94rem;padding:52px 0 26px}
.site-footer a{color:#e6ecf1}
.site-footer a:hover{color:#e2bd7d}
.site-footer h2{color:#fff;font-size:1rem;font-family:var(--sans);letter-spacing:.06em;text-transform:uppercase;margin:0 0 12px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
@media (max-width:900px){.fgrid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.fgrid{grid-template-columns:1fr}}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:0 0 7px}
.fine{border-top:1px solid #243b52;margin-top:34px;padding-top:18px;font-size:.84rem;color:#9fb0c0}
.fine p{margin:0 0 .6em}

/* floating whatsapp (mobile) */
.wa-float{position:fixed;left:16px;bottom:16px;z-index:40;display:none;background:var(--wa);color:#fff;border-radius:999px;padding:12px 16px;font:600 .95rem var(--sans);text-decoration:none;box-shadow:0 6px 18px rgba(0,0,0,.2)}
.wa-float:hover{color:#fff}
@media (max-width:760px){.wa-float{display:inline-flex}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.site-header,.site-footer,.wa-float,.cta-band{display:none}}