:root{
  --ink:#0b2538;
  --ink-soft:#385166;
  --muted:#526575;
  --line:#dce6ed;
  --soft:#f4f8fb;
  --white:#ffffff;
  --blue:#0f6fb7;
  --cyan:#21a7c9;
  --green:#167a5c;
  --orange:#f59a23;
  --shadow:0 18px 48px rgba(11,37,56,.13);
  --radius:8px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;
  font-family:"Segoe UI",Arial,sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.6;
}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}

.site-header{
  position:sticky;
  top:0;
  z-index:20;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid rgba(220,230,237,.9);
  backdrop-filter:blur(14px);
}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;min-width:164px}
.brand img{width:148px}
.menu{display:flex;align-items:center;gap:20px;list-style:none;margin:0;padding:0;color:var(--ink-soft);font-size:14px;font-weight:700}
.menu a{display:block;padding:9px 0}
.menu a:hover,.menu a[aria-current="page"]{color:var(--blue)}
.nav-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:12px 18px;border:1px solid transparent;border-radius:var(--radius);font-size:14px;font-weight:800;line-height:1;cursor:pointer;transition:transform .18s ease,background .18s ease,box-shadow .18s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 12px 24px rgba(15,111,183,.22)}
.btn-primary:hover{background:#0c609f}
.btn-light{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:0 10px 28px rgba(11,37,56,.08)}
.btn-whatsapp{background:var(--green);color:#fff;box-shadow:0 12px 24px rgba(22,122,92,.22)}

.service-hero{position:relative;overflow:hidden;color:#fff;background:#071b2a}
.service-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(7,27,42,.98) 0%,rgba(11,37,56,.95) 56%,rgba(15,111,183,.65) 100%)}
.hero-inner{position:relative;z-index:1;min-height:610px;padding:62px 0 54px;display:grid;grid-template-columns:minmax(0,.95fr) minmax(420px,1.05fr);gap:52px;align-items:center}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;color:#c7dae5;font-size:13px;font-weight:700}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{color:#72d1e7}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;color:#d8f6ff;font-size:13px;font-weight:800;text-transform:uppercase}
.eyebrow i{color:var(--cyan)}
h1{margin:0;max-width:680px;color:#fff;font-size:52px;line-height:1.06;letter-spacing:0}
.hero-copy>p{max-width:650px;margin:22px 0 28px;color:#dbe8ef;font-size:18px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-visual{position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius);background:#fff;box-shadow:0 30px 70px rgba(0,0,0,.32)}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;object-position:top}
.visual-label{position:absolute;left:14px;bottom:14px;display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border-radius:var(--radius);background:rgba(7,27,42,.9);color:#fff;font-size:12px;font-weight:800}

.capability-band{border-bottom:1px solid var(--line);background:#fff;box-shadow:0 10px 26px rgba(11,37,56,.04)}
.capability-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.capability{display:flex;align-items:center;gap:12px;min-height:92px;padding:18px;border-left:1px solid var(--line)}
.capability:last-child{border-right:1px solid var(--line)}
.capability i{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--radius);background:var(--blue);color:#fff;flex:0 0 auto}
.capability:nth-child(2) i{background:var(--cyan)}
.capability:nth-child(3) i{background:var(--green)}
.capability:nth-child(4) i{background:var(--orange)}
.capability strong{display:block;font-size:14px}
.capability span{display:block;margin-top:2px;color:var(--muted);font-size:12px;font-weight:600}

.section{padding:82px 0}
.section-soft{background:var(--soft)}
.section-head{display:flex;justify-content:space-between;gap:34px;align-items:end;margin-bottom:30px}
.section-kicker{margin:0 0 8px;color:var(--blue);font-size:13px;font-weight:800;text-transform:uppercase}
h2{margin:0;color:var(--ink);font-size:38px;line-height:1.16;letter-spacing:0}
.section-head>p{max-width:470px;margin:0;color:var(--muted);font-size:15px}
.intro-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:52px;align-items:start}
.intro-copy p{margin:18px 0 0;color:var(--ink-soft);font-size:17px}
.benefit-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.benefit-card,.detail-card,.related-link{border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 24px rgba(11,37,56,.05)}
.benefit-card{padding:22px}
.benefit-card i,.detail-card i{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;margin-bottom:16px;border-radius:var(--radius);background:var(--blue);color:#fff}
.benefit-card:nth-child(2) i{background:var(--cyan)}
.benefit-card:nth-child(3) i{background:var(--green)}
.benefit-card:nth-child(4) i{background:var(--orange)}
.benefit-card h3,.detail-card h3{margin:0 0 8px;font-size:19px}
.benefit-card p,.detail-card p{margin:0;color:var(--muted);font-size:14px}
.detail-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.detail-card{padding:24px}
.detail-card ul{margin:16px 0 0;padding:0;list-style:none;color:var(--ink-soft);font-size:14px}
.detail-card li{position:relative;margin-top:9px;padding-left:20px}
.detail-card li:before{content:"\2713";position:absolute;left:0;color:var(--green);font-weight:900}

.product-split{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:34px;align-items:center}
.browser-frame{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
.browser-bar{height:40px;display:flex;align-items:center;gap:7px;padding:0 14px;border-bottom:1px solid var(--line);background:#f8fafc}
.browser-dot{width:9px;height:9px;border-radius:50%;background:#d4dde3}
.browser-title{margin-left:5px;color:#617583;font-size:11px;font-weight:800;text-transform:uppercase}
.browser-frame img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top}
.product-copy p{margin:18px 0;color:var(--muted)}
.check-list{display:grid;gap:11px;margin:24px 0 0;padding:0;list-style:none}
.check-list li{display:flex;gap:10px;color:var(--ink-soft);font-size:15px}
.check-list i{margin-top:5px;color:var(--green)}

.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.step{padding:24px;border-top:3px solid var(--blue);background:#fff;box-shadow:0 8px 24px rgba(11,37,56,.05)}
.step-number{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;margin-bottom:16px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800}
.step h3{margin:0 0 8px;font-size:19px}
.step p{margin:0;color:var(--muted);font-size:14px}
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}
.faq-item summary{position:relative;padding:18px 52px 18px 20px;cursor:pointer;list-style:none;font-weight:800}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:20px;top:14px;color:var(--blue);font-size:25px}
.faq-item[open] summary:after{content:"-"}
.faq-item p{margin:0;padding:0 20px 20px;color:var(--ink-soft);font-size:15px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.related-link{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px;color:var(--ink);font-weight:800}
.related-link:hover{border-color:#9fc9e5;color:var(--blue)}
.related-link i{color:var(--blue)}

.cta{padding:62px 0;background:#0b2538;color:#fff}
.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:34px;align-items:center}
.cta h2{color:#fff}
.cta p{max-width:720px;margin:14px 0 0;color:#c5d5df}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.footer{padding:36px 0;background:#071b2a;color:#bfd0dc}
.footer-inner{display:grid;grid-template-columns:auto 1fr auto;gap:28px;align-items:center}
.footer img{width:132px;padding:8px;border-radius:var(--radius);background:#fff}
.footer p{margin:0;font-size:13px}
.footer-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px 18px;font-size:13px;font-weight:700}
.footer a:hover{color:#fff}
.article-hero{padding:150px 0 64px;background:linear-gradient(135deg,#071b2d 0%,#0b3550 55%,#0b6b78 100%);color:#fff}
.article-hero .eyebrow{display:inline-flex;align-items:center;gap:9px;margin-bottom:18px;color:#93e6ed;font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.article-hero h1{max-width:920px;margin:0 0 18px;font-size:clamp(34px,5vw,58px);line-height:1.06;letter-spacing:-.03em}
.article-hero .lead{max-width:800px;margin:0;color:#d8edf2;font-size:clamp(18px,2vw,22px);line-height:1.65}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:28px;color:#b8d8df;font-size:14px}
.article-meta span{display:inline-flex;align-items:center;gap:8px}
.article-cover{margin-top:-34px}
.article-cover img{display:block;width:100%;max-height:500px;object-fit:cover;border-radius:22px;box-shadow:0 24px 64px rgba(2,24,39,.22)}
.article-shell{padding:70px 0 92px}
.article-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:58px;align-items:start}
.article-content{color:#294354;font-size:17px;line-height:1.78}
.article-content h2{margin:52px 0 18px;color:#09263a;font-size:clamp(26px,3vw,36px);line-height:1.2;letter-spacing:-.02em;scroll-margin-top:110px}
.article-content h2:first-child{margin-top:0}
.article-content h3{margin:30px 0 12px;color:#113d54;font-size:22px;line-height:1.3}
.article-content p{margin:0 0 18px}
.article-content ul,.article-content ol{margin:0 0 22px;padding-left:25px}
.article-content li{margin-bottom:9px}
.article-content a{color:#087c8a;text-decoration:underline;text-underline-offset:3px}
.article-content strong{color:#112f41}
.article-note{margin:28px 0;padding:22px 24px;border-left:4px solid #15a7b7;border-radius:0 12px 12px 0;background:#eef9fa;color:#153d50}
.article-warning{border-left-color:#e6a72f;background:#fff8e8}
.article-table-wrap{margin:26px 0;overflow-x:auto;border:1px solid #dbe7eb;border-radius:14px}
.article-table{width:100%;border-collapse:collapse;background:#fff}
.article-table th,.article-table td{padding:15px 17px;border-bottom:1px solid #e4edf0;text-align:left;vertical-align:top}
.article-table th{background:#f2f8f9;color:#13394b;font-size:14px}
.article-table tr:last-child td{border-bottom:0}
.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:25px 0}
.guide-card{padding:22px;border:1px solid #dce8ec;border-radius:15px;background:#fff;box-shadow:0 10px 28px rgba(8,43,62,.06)}
.guide-card h3{margin:0 0 9px;font-size:19px}
.guide-card p{margin:0;font-size:15px}
.article-toc{position:sticky;top:112px;padding:24px;border:1px solid #dbe7eb;border-radius:16px;background:#fff;box-shadow:0 14px 34px rgba(8,43,62,.07)}
.article-toc strong{display:block;margin-bottom:13px;color:#09263a}
.article-toc a{display:block;padding:8px 0;border-bottom:1px solid #edf2f4;color:#4a6471;font-size:14px;line-height:1.4;text-decoration:none}
.article-toc a:last-child{border-bottom:0}
.article-toc a:hover{color:#078591}
.article-sources{margin-top:50px;padding-top:30px;border-top:1px solid #dbe7eb}
.article-sources h2{margin-top:0;font-size:25px}
.article-cta{margin-top:46px;padding:34px;border-radius:20px;background:linear-gradient(135deg,#082a40,#087d89);color:#fff}
.article-cta h2{margin:0 0 10px;color:#fff}
.article-cta p{color:#d8edf2}
.article-cta .btn-primary{margin-top:8px;background:#fff;color:#0b5563}
.whatsapp-float{position:fixed;right:22px;bottom:22px;z-index:18;width:58px;height:58px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#17855f;color:#fff;box-shadow:0 18px 34px rgba(23,133,95,.32);font-size:28px}

@media (max-width:1040px){
  .menu{gap:14px;font-size:13px}
  .hero-inner{grid-template-columns:1fr;min-height:auto}
  .hero-copy{max-width:760px}
  .hero-visual{max-width:760px}
  .detail-grid{grid-template-columns:1fr 1fr}
  .product-split{grid-template-columns:1fr}
}
@media (max-width:820px){
  .container{width:min(100% - 28px,1180px)}
  .nav{height:68px}
  .brand img{width:126px}
  .menu-toggle{display:inline-flex}
  .nav-actions .btn-light{display:none}
  .menu{position:fixed;top:68px;left:0;right:0;display:grid;gap:0;padding:12px 14px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 20px 34px rgba(11,37,56,.14);transform:translateY(-120%);opacity:0;pointer-events:none;transition:transform .22s ease,opacity .22s ease}
  .menu.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .menu li{border-top:1px solid #eef3f6}
  .menu li:first-child{border-top:0}
  .menu a{padding:14px}
  .hero-inner{padding:42px 0}
  h1{font-size:40px}
  .capability-grid{grid-template-columns:1fr 1fr}
  .capability:nth-child(2){border-right:1px solid var(--line)}
  .section{padding:64px 0}
  .section-head{display:block}
  .section-head>p{margin-top:14px}
  h2{font-size:30px}
  .intro-grid{grid-template-columns:1fr;gap:28px}
  .steps,.related-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .footer-inner{grid-template-columns:1fr}
  .footer-links{justify-content:flex-start}
  .article-layout{grid-template-columns:1fr;gap:28px}
  .article-toc{position:static}
}
@media (max-width:560px){
  .nav-actions .btn-primary{display:none}
  h1{font-size:35px}
  .hero-copy>p{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-visual{display:none}
  .article-meta{display:grid}
  .guide-grid{grid-template-columns:1fr}
  .article-content{font-size:16px}
  .article-table th,.article-table td{padding:12px;font-size:14px}
  .capability-grid{grid-template-columns:1fr}
  .capability{border-right:1px solid var(--line)}
  .benefit-grid,.detail-grid,.faq-grid{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
  .whatsapp-float{right:16px;bottom:16px;width:54px;height:54px}
}