:root{
  --bg:#f6f8fb;--surface:#fff;--text:#152033;--muted:#667085;--line:#e4e9f0;
  --brand:#1267d6;--brand-dark:#0e4fa5;--soft:#eef5ff;--accent:#12a37f;
  --shadow:0 12px 30px rgba(21,32,51,.08);--radius:18px;--max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.65}
img{max-width:100%;display:block} a{color:inherit;text-decoration:none} button{font:inherit}
.container{width:min(var(--max),calc(100% - 32px));margin:auto}
.topbar{background:#10192a;color:#dce5f3;font-size:.86rem;padding:7px 0;text-align:center}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand img{display:block;width:auto;height:46px;max-width:255px}
.brand-mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;font-weight:900}
.brand small{display:block;font-size:.66rem;color:var(--muted);letter-spacing:.02em;font-weight:650}
.main-nav{display:flex;align-items:center;gap:3px}
.nav-item{position:relative}
.nav-parent{display:flex;align-items:center;border-radius:10px}
.nav-category-link{padding-right:5px}
.dropdown-toggle{border:0;background:transparent;color:#344054;cursor:pointer;padding:11px 9px 11px 3px;font-weight:800;line-height:1}
.nav-parent:hover .nav-category-link,.nav-parent:hover .dropdown-toggle{color:var(--brand)}
.nav-link{border:0;background:none;padding:11px 12px;border-radius:10px;font-weight:700;color:#344054;cursor:pointer}
.nav-link:hover,.nav-parent:hover{background:#f0f4f9;color:var(--brand)}
.dropdown{position:absolute;top:calc(100% + 7px);left:0;min-width:230px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:9px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(7px);transition:.16s}
.dropdown a{display:block;padding:9px 11px;border-radius:8px;font-weight:600;color:#3a4658}
.dropdown a:hover{background:#f3f6fa;color:var(--brand)}
@media(min-width:981px){.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:none}.dropdown-toggle{pointer-events:none}}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:11px;background:#fff;cursor:pointer}
.menu-toggle span,.menu-toggle::before,.menu-toggle::after{content:"";display:block;width:20px;height:2px;background:#223047;margin:5px auto}

.breadcrumb{font-size:.88rem;color:var(--muted);padding:18px 0 0}
.breadcrumb a{color:var(--brand)}
.hero{padding:28px 0 32px}
.hero-box{display:grid;grid-template-columns:1.08fr .92fr;gap:28px;min-height:380px;border:1px solid #dce5f0;border-radius:26px;overflow:hidden;background:linear-gradient(135deg,#edf5ff,#effaf7)}
.hero-copy{padding:46px}
.eyebrow{color:var(--brand);font-size:.79rem;font-weight:850;text-transform:uppercase;letter-spacing:.09em}
h1{font-size:clamp(2.2rem,5vw,4.5rem);line-height:1.02;letter-spacing:-.055em;margin:10px 0 18px}
.hero-copy p{font-size:1.08rem;color:#536177;margin:0;max-width:700px}
.hero-visual{min-height:320px;background:
 radial-gradient(circle at 30% 25%,rgba(18,103,214,.28),transparent 35%),
 radial-gradient(circle at 75% 70%,rgba(18,163,127,.22),transparent 30%),
 linear-gradient(135deg,#13223b,#1b4770);position:relative}
.hero-visual::before,.hero-visual::after{content:"";position:absolute;border:1px solid rgba(255,255,255,.18);border-radius:50%}
.hero-visual::before{width:230px;height:230px;left:16%;top:18%}
.hero-visual::after{width:360px;height:360px;right:-8%;bottom:-25%}

.section{padding:20px 0}
.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:20px}
.section-head h2{font-size:clamp(1.5rem,3vw,2.2rem);margin:0;letter-spacing:-.035em}
.section-head p{margin:5px 0 0;color:var(--muted)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.18s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#ccd7e4}
.card-thumb{aspect-ratio:16/9;background:
 linear-gradient(135deg,rgba(18,103,214,.18),rgba(18,163,127,.12)),
 linear-gradient(135deg,#eaf2fb,#f4f7fb);border-bottom:1px solid var(--line)}
.card-body{padding:18px}.card-meta{font-size:.77rem;text-transform:uppercase;letter-spacing:.06em;font-weight:850;color:var(--brand)}
.card h3{font-size:1.05rem;line-height:1.35;margin:7px 0 7px;letter-spacing:-.015em}
.card p{font-size:.91rem;color:var(--muted);margin:0}
.category-card .card-body{min-height:126px}
.pill{display:inline-flex;padding:6px 10px;border-radius:999px;background:var(--soft);color:var(--brand);font-size:.76rem;font-weight:800}

.article-layout{margin:0 auto}
.article{background:#fff;border:1px solid var(--line);border-radius:22px;padding:10px 38px}
.article h2{font-size:1.65rem;margin-top:10px;letter-spacing:-.02em}
.article p{color:#344054}
.article-intro{font-size:1.1rem;color:#475467}
.article-note{padding:18px 20px;border-left:4px solid var(--brand);background:#f5f8fc;border-radius:8px;margin:26px 0}
.sidebar{display:none}
.sidebox{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:18px}
.sidebox h3{margin:0 0 10px;font-size:1rem}
.sidebox a{display:block;padding:8px 0;border-top:1px solid #eef1f4;color:#475467;font-size:.92rem}
.sidebox a:first-of-type{border-top:0}

.related{padding:0 0 62px}
.footer{border-top:1px solid var(--line);background:#fff;padding:34px 0;margin-top:16px}
.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:24px;color:var(--muted);font-size:.9rem}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}

@media(max-width:980px){
  .brand img{height:42px}
  .menu-toggle{display:block}.main-nav{display:none;position:absolute;top:72px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:9px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .main-nav.open{display:flex}.nav-link{width:100%;text-align:left}.nav-parent{width:100%}.nav-category-link{flex:1}.dropdown-toggle{width:44px;text-align:center}.dropdown{position:static;min-width:0;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;background:#f7f9fc;display:none;margin:3px 7px 8px}.nav-item.open .dropdown{display:block}
  .hero-box{grid-template-columns:1fr}.hero-copy{padding:38px 34px 8px}.hero-visual{min-height:260px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{flex-direction:column;align-items:center}
}
@media(max-width:640px){
  .brand img{height:38px;max-width:220px}
  .container{width:min(var(--max),calc(100% - 22px))}.nav-wrap{height:64px}.main-nav{top:64px}.brand small{display:none}
  .hero{padding-top:18px}.hero-box{border-radius:20px}.hero-copy{padding:28px 22px 6px}.hero-visual{min-height:210px}
  .grid-4{grid-template-columns:1fr}.section{padding-bottom:0px}.article{padding:24px 20px;border-radius:18px}
  .footer-grid{flex-direction:column;align-items:center}
}


.faq-wrap{margin:0 auto}
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-item summary{cursor:pointer;padding:18px 20px;font-weight:800;list-style:none;position:relative;padding-right:48px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.35rem;color:var(--brand)}
.faq-item[open] summary::after{content:"−"}
.faq-answer{padding:0 20px 18px;color:#475467}
.references{max-width:1180px;margin:10px auto 20px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.references h2{margin:0 0 12px;font-size:1.35rem}
.references ul{margin:0;padding-left:20px}
.references li{margin:8px 0;color:#475467}
.references a{color:var(--brand);font-weight:700}


.content-section{padding:4px 0 5px}
.content-panel{margin:0;background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px 34px}
.content-panel h2{margin:0 0 14px;font-size:clamp(1.45rem,3vw,2rem);letter-spacing:-.025em}
.content-panel h3{margin:26px 0 8px;font-size:1.14rem}
.content-panel p{margin:0 0 16px;color:#3e4b5e}
.content-panel p:last-child{margin-bottom:0}
.content-panel strong{color:var(--text)}
@media(max-width:640px){.content-panel{padding:24px 20px;border-radius:16px}}


.hero-visual{min-height:320px;background:#dfe7ef;position:relative;overflow:hidden}
.hero-visual::before,.hero-visual::after{display:none}
.hero-visual img{width:100%;height:100%;object-fit:cover;display:block}
.card-thumb{aspect-ratio:16/9;background:#eef2f7;border-bottom:1px solid var(--line);overflow:hidden}
.card-thumb img{width:100%;height:100%;object-fit:cover;display:block}
@media(max-width:980px){.hero-visual{min-height:260px}}
@media(max-width:640px){.hero-visual{min-height:210px}}


/* Parallax hero */
.hero-parallax{position:relative;min-height:520px;padding:0;overflow:hidden;display:flex;align-items:center;background:#0f1c2e}
.hero-parallax .hero-media{position:absolute;inset:-9% 0;z-index:0;will-change:transform;transform:translate3d(0,0,0)}
.hero-parallax .hero-media img{width:100%;height:118%;object-fit:cover;object-position:center;display:block}
.hero-parallax .hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(8,19,35,.78) 0%,rgba(8,19,35,.62) 38%,rgba(8,19,35,.25) 68%,rgba(8,19,35,.18) 100%)}
.hero-parallax-inner{position:relative;z-index:2;width:100%;padding-top:78px;padding-bottom:78px}
.hero-parallax .hero-copy{max-width:720px;padding:0}
.hero-parallax h1{color:#fff;text-shadow:0 3px 22px rgba(0,0,0,.28);margin-top:0}
.hero-parallax .hero-copy p{color:rgba(255,255,255,.88);font-size:1.1rem;max-width:680px;text-shadow:0 2px 14px rgba(0,0,0,.24)}
@media(max-width:980px){
  .hero-parallax{min-height:440px}
  .hero-parallax .hero-media{inset:0}
  .hero-parallax .hero-media img{height:100%}
  .hero-parallax .hero-overlay{background:linear-gradient(90deg,rgba(8,19,35,.78),rgba(8,19,35,.46))}
  .hero-parallax-inner{padding-top:62px;padding-bottom:62px}
}
@media(max-width:640px){
  .hero-parallax{min-height:390px}
  .hero-parallax-inner{padding-top:48px;padding-bottom:48px}
  .hero-parallax .hero-overlay{background:linear-gradient(180deg,rgba(8,19,35,.56),rgba(8,19,35,.78))}
  .hero-parallax .hero-copy p{font-size:1rem}
}
@media(prefers-reduced-motion:reduce){.hero-parallax .hero-media{transform:none!important}}


/* Contained parallax hero */
.hero-parallax{
  width:min(var(--max),calc(100% - 32px));
  min-height:480px;
  margin:28px auto 32px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:10px;
  box-shadow:0 16px 38px rgba(21,32,51,.10);
}
.hero-parallax .hero-media{
  border-radius:inherit;
}
.hero-parallax .hero-overlay{
  border-radius:inherit;
  background:linear-gradient(90deg,rgba(8,19,35,.82) 0%,rgba(8,19,35,.68) 38%,rgba(8,19,35,.34) 68%,rgba(8,19,35,.20) 100%);
}
.hero-parallax-inner.container{
  width:100%;
  max-width:none;
  margin:0;
  padding:72px clamp(32px,5vw,68px);
}
.hero-parallax .hero-copy{
  max-width:620px;
}
.hero-parallax h1{
  font-size:clamp(2.35rem,4.6vw,4.3rem);
  line-height:1.04;
  margin:0 0 18px;
}
.hero-parallax .hero-copy p{
  max-width:590px;
  font-size:1.06rem;
  line-height:1.72;
  color:rgba(255,255,255,.92);
}
@media(max-width:980px){
  .hero-parallax{
    width:min(var(--max),calc(100% - 32px));
    min-height:420px;
    margin:24px auto 30px;
  }
  .hero-parallax-inner.container{
    padding:56px 34px;
  }
  .hero-parallax .hero-copy{
    max-width:600px;
  }
}
@media(max-width:640px){
  .hero-parallax{
    width:calc(100% - 22px);
    min-height:370px;
    margin:18px auto 26px;
    border-radius:10px;
  }
  .hero-parallax-inner.container{
    padding:42px 22px;
  }
  .hero-parallax h1{
    font-size:clamp(2rem,11vw,3rem);
    line-height:1.06;
  }
  .hero-parallax .hero-copy p{
    font-size:.98rem;
    line-height:1.65;
  }
  .hero-parallax .hero-overlay{
    background:linear-gradient(180deg,rgba(8,19,35,.56) 0%,rgba(8,19,35,.82) 100%);
  }
}

/* Batch 2 hero consistency */
.hero-parallax{border-radius:10px}
@media(max-width:980px){.hero-parallax{border-radius:10px}}
@media(max-width:640px){.hero-parallax{border-radius:10px}}

/* Batch 3 hero consistency */
.hero-parallax{border-radius:10px}
.hero-parallax .hero-media,.hero-parallax .hero-overlay{border-radius:inherit}
@media(max-width:980px){.hero-parallax{border-radius:10px}}
@media(max-width:640px){.hero-parallax{border-radius:10px}}

/* Batch 4 hero consistency */
.hero-parallax{border-radius:10px}.hero-parallax .hero-media,.hero-parallax .hero-overlay{border-radius:inherit}@media(max-width:980px){.hero-parallax{border-radius:10px}}@media(max-width:640px){.hero-parallax{border-radius:10px}}

/* Batch 5 hero consistency */
.hero-parallax{border-radius:10px}.hero-parallax .hero-media,.hero-parallax .hero-overlay{border-radius:inherit}

/* Informational pages */
.info-hero{width:min(var(--max),calc(100% - 32px));margin:28px auto 32px;border-radius:10px;background:linear-gradient(135deg,#102b50,#1d5aa2);color:#fff;overflow:hidden}
.info-hero .container{padding:58px 42px}
.info-hero h1{margin:0 0 14px;font-size:clamp(2.25rem,4vw,3.8rem);line-height:1.06;color:#fff}
.info-hero p{max-width:760px;margin:0;color:rgba(255,255,255,.92);font-size:1.05rem;line-height:1.72}
.info-content{margin:0 auto}
.info-content h2{margin-top:34px}
@media(max-width:640px){.info-hero{width:calc(100% - 22px);margin:18px auto 26px}.info-hero .container{padding:38px 22px}.info-hero p{font-size:.98rem}}

/* Informational pages share the contained parallax hero */
.hero-parallax{border-radius:10px}
.hero-parallax .hero-media,.hero-parallax .hero-overlay{border-radius:inherit}
@media(max-width:980px){.hero-parallax{border-radius:10px}}
@media(max-width:640px){.hero-parallax{border-radius:10px}}


/* Homepage editorial sections */
.home-feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.home-feature{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.18s}
.home-feature:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#ccd7e4}
.home-feature-thumb{aspect-ratio:16/9;overflow:hidden;background:#edf2f7}
.home-feature-thumb img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .28s ease}
.home-feature:hover .home-feature-thumb img{transform:scale(1.025)}
.home-feature-body{padding:22px 24px 24px}
.home-feature-kicker{display:block;margin-bottom:8px;font-size:.76rem;font-weight:800;letter-spacing:.055em;text-transform:uppercase;color:var(--brand)}
.home-feature h3{margin:0 0 8px;font-size:1.12rem;line-height:1.35}
.home-feature p{margin:0;color:var(--muted);font-size:.93rem}
.comparison-list{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.comparison-list a{display:flex;flex-direction:column;gap:5px;background:#fff;padding:20px 22px;transition:.18s}
.comparison-list a:hover{background:#f8fafc}
.comparison-list strong{font-size:1rem;color:var(--text)}
.comparison-list span{font-size:.9rem;line-height:1.55;color:var(--muted)}
.home-process-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:4px 34px;margin-top:12px}
.home-process-grid h3{margin-top:18px}
.home-process-grid a{color:var(--brand);text-decoration:none;font-weight: bold;}
@media(max-width:1024px){.home-feature-grid{grid-template-columns:1fr}}
@media(max-width:760px){.comparison-list,.home-process-grid{grid-template-columns:1fr}}