:root{
  --navy:#061b38;
  --navy2:#0a2c58;
  --teal:#087887;
  --teal2:#0b6570;
  --green:#4f722b;
  --ink:#15283b;
  --muted:#5f6f79;
  --line:#dce5e9;
  --soft:#f5f7f8;
  --white:#ffffff;
  --max:1480px;
  --radius:10px;
  --shadow:0 10px 28px rgba(4,25,48,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--soft);color:var(--ink);font:16px/1.65 Arial,Helvetica,sans-serif}
img{display:block;max-width:100%;height:auto}
a{color:var(--teal2)}
a:hover{color:var(--navy2)}
.skip-link{position:absolute;left:-9999px;top:auto}
.skip-link:focus{left:1rem;top:1rem;z-index:9999;background:#fff;color:#000;padding:.75rem 1rem;border-radius:4px}

/* Header */
.utility{background:var(--navy);color:#fff;font-size:.82rem}
.utility-inner{max-width:var(--max);margin:auto;padding:.45rem 2rem;display:flex;justify-content:space-between;gap:1rem}
.utility a{color:#fff;text-decoration:none;margin-left:1rem}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1000}
.header-inner{max-width:var(--max);margin:auto;padding:1rem 2rem;display:flex;align-items:center;gap:2rem}
.brand{text-decoration:none;color:var(--navy);min-width:270px}
.brand-main{display:block;font-size:1.65rem;line-height:1;font-weight:900;letter-spacing:.06em}
.brand-sub{display:block;margin-top:.22rem;color:var(--teal);font-size:.72rem;font-weight:800;letter-spacing:.25em}
.brand-tag{display:block;margin-top:.2rem;font-size:.58rem;font-weight:700;letter-spacing:.15em}
.menu-toggle{display:none;margin-left:auto;border:1px solid var(--navy);background:#fff;color:var(--navy);padding:.65rem .85rem;border-radius:4px;font-weight:800}
.main-nav{display:flex;gap:1rem;align-items:stretch;flex:1}
.nav-item{position:relative}
.nav-button,.nav-link{border:0;background:none;padding:.55rem .65rem;text-decoration:none;color:var(--navy);cursor:pointer;text-align:left;font:inherit}
.nav-button b,.nav-button span,.nav-link b,.nav-link span{display:block}
.nav-button b,.nav-link b{font-size:.76rem;text-transform:uppercase}
.nav-button span,.nav-link span{font-size:.68rem;margin-top:.18rem}
.dropdown{display:none;position:absolute;left:0;top:100%;min-width:255px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:.45rem;z-index:1100}
.nav-item:hover>.dropdown,.nav-item:focus-within>.dropdown,.nav-item.open>.dropdown{display:block}
.dropdown a{display:block;text-decoration:none;color:var(--ink);padding:.6rem .7rem;border-radius:4px}
.dropdown a:hover,.dropdown a:focus{background:#eef7f7;color:var(--teal2)}

/* Shared hero */
.hero{position:relative;min-height:390px;display:flex;align-items:flex-end;background:var(--navy);color:#fff;overflow:hidden}
.hero-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,19,38,.84),rgba(2,19,38,.45) 56%,rgba(2,19,38,.18))}
.hero-inner{position:relative;z-index:2;max-width:var(--max);width:100%;margin:auto;padding:4.5rem 2rem 3.25rem}
.eyebrow{margin:0 0 .5rem;color:#bfe9ed;text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:900}
.hero h1{margin:.2rem 0 .8rem;max-width:850px;color:#fff;font-size:clamp(2.4rem,4.6vw,4.8rem);line-height:.98}
.hero .lead{max-width:760px;margin:0;color:#fff;font-size:1.08rem;line-height:1.7}
.hero-actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1.25rem}
.btn{display:inline-block;padding:.78rem 1rem;border-radius:4px;text-decoration:none;font-size:.8rem;font-weight:900;text-transform:uppercase}
.btn-primary{background:var(--teal);color:#fff}
.btn-outline{border:1px solid #fff;color:#fff}

/* Homepage */
.home-hero{min-height:470px}
.home-hero .hero-inner{padding-right:380px}
.explore-panel{position:absolute;z-index:4;right:max(2rem,calc((100vw - var(--max))/2 + 2rem));top:1.25rem;width:300px;background:rgba(3,25,52,.94);padding:1.1rem;border-radius:8px}
.explore-panel h2{margin:0 0 .4rem;color:#fff;font-size:1.05rem;border-bottom:1px solid rgba(255,255,255,.55);padding-bottom:.6rem}
.explore-panel a{display:block;color:#fff;text-decoration:none;padding:.6rem 0;border-bottom:1px solid rgba(255,255,255,.12)}
.explore-panel b,.explore-panel span{display:block}
.explore-panel span{font-size:.76rem;opacity:.86;margin-top:.15rem}
.home-shell{max-width:var(--max);margin:auto;padding:1.25rem 2rem 3rem;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:2rem}
.home-main{min-width:0}
.home-section{background:#fff;border:1px solid var(--line);padding:2rem;margin-bottom:1.4rem}
.section-head{max-width:900px;margin-bottom:1rem}
.section-head .eyebrow{color:var(--teal)}
.section-head h2{margin:.2rem 0 .5rem;color:var(--navy2);font-size:clamp(1.55rem,2.5vw,2.35rem)}
.section-head p{margin:.2rem 0;color:var(--muted)}
.image-card-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.8rem}
.image-card{border:1px solid var(--line);text-decoration:none;color:var(--ink);background:#fff}
.image-card img{width:100%;aspect-ratio:1.45/1;object-fit:cover}
.image-card div{padding:.85rem}
.image-card h3{margin:0 0 .35rem;color:var(--navy2);font-size:1rem}
.image-card p{margin:0 0 .55rem;font-size:.82rem;line-height:1.45}
.image-card span{font-size:.78rem;font-weight:800;color:var(--teal2)}
.neighbour-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem}
.neighbour-grid a{position:relative;min-height:165px;background:var(--navy);color:#fff;text-decoration:none;overflow:hidden}
.neighbour-grid img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.72}
.neighbour-grid b,.neighbour-grid span{position:relative;z-index:2;display:block;margin:0 1rem}
.neighbour-grid b{padding-top:6.3rem;text-transform:uppercase}
.neighbour-grid span{font-size:.75rem;margin-top:.2rem}
.text-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.85rem}
.text-card-grid a{display:block;text-decoration:none;color:var(--ink);border:1px solid var(--line);padding:1rem;border-radius:6px;background:#fff}
.text-card-grid b,.text-card-grid span,.text-card-grid small{display:block}
.text-card-grid b{color:var(--navy2)}
.text-card-grid span{font-size:.82rem;line-height:1.45;margin-top:.3rem}
.text-card-grid small{font-size:.72rem;font-weight:800;color:var(--green);margin-top:.65rem}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:center}
.split.reverse{grid-template-columns:.9fr 1.1fr}
.split img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split h2{color:var(--navy2)}
.split p{line-height:1.72}
.four-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.info-card{border:1px solid var(--line);padding:1.05rem;background:#fff}
.info-card h3{margin:0 0 .45rem;color:var(--navy2)}
.info-card p{font-size:.88rem;line-height:1.55}
.stats{display:grid;grid-template-columns:repeat(4,1fr);background:#f8faf9}
.stats div{text-align:center;padding:.8rem;border-right:1px solid var(--line)}
.stats div:last-child{border-right:0}
.stats strong{display:block;color:var(--green);font-size:1.55rem}
.stats span{font-size:.78rem}
.home-sidebar{display:flex;flex-direction:column;gap:1rem}
.sidebox{background:#fff;border:1px solid var(--line);padding:1rem}
.sidebox h2{margin:0 0 .55rem;color:var(--navy2);font-size:1rem;text-transform:uppercase;border-bottom:2px solid var(--teal);padding-bottom:.5rem}
.sidebox a{display:block;text-decoration:none;color:var(--ink);padding:.55rem 0;border-bottom:1px solid #edf1f3}
.sidebox a:last-child{border-bottom:0}
.sidebox b,.sidebox span{display:block}
.sidebox span,.sidebox p{font-size:.78rem;color:var(--muted);line-height:1.45}

/* Inner pages */
.inner-shell{max-width:var(--max);margin:auto;padding:1.5rem 2rem 3rem}
.breadcrumbs{font-size:.78rem;margin-bottom:1rem;color:var(--muted)}
.breadcrumbs a{text-decoration:none}
.inner-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:2rem;align-items:start}
.article{background:#fff;border:1px solid var(--line);padding:2rem;min-width:0}
.article h2{margin:1.8rem 0 .6rem;color:var(--navy2);font-size:1.55rem}
.article h3{color:var(--navy2)}
.article p,.article li{line-height:1.72}
.article a{font-weight:700}
.article .eyebrow{color:var(--teal)}
.article blockquote{margin:1.4rem 0;border-left:4px solid var(--teal);background:#f7fbfb;padding:1rem 1.2rem}
.article table{width:100%;border-collapse:collapse;margin:1rem 0}
.article th{background:var(--navy);color:#fff}
.article th,.article td{border:1px solid var(--line);padding:.75rem;text-align:left}
.article details{border-top:1px solid var(--line);padding:1rem 0}
.article summary{font-weight:800;color:var(--navy2);cursor:pointer}
.inner-aside{display:flex;flex-direction:column;gap:1rem}
.visual-card,.related-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.visual-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.visual-card figcaption{padding:.7rem 1rem;background:#f7f9fa;color:var(--muted);font-size:.84rem}
.visual-copy{padding:1rem;border-top:1px solid var(--line)}
.visual-copy strong{display:block;color:var(--navy2);margin-bottom:.35rem}
.visual-copy p{margin:0;color:var(--muted);font-size:.88rem;line-height:1.5}
.related-card{padding:1rem}
.related-card h2{margin:0 0 .55rem;color:var(--navy2);font-size:1rem;text-transform:uppercase;border-bottom:2px solid var(--teal);padding-bottom:.5rem}
.related-card a{display:block;color:var(--ink);text-decoration:none;padding:.55rem 0;border-bottom:1px solid #edf1f3}
.related-card a:last-child{border-bottom:0}
.resource-list{display:grid;gap:.7rem}
.resource-list a{display:block;text-decoration:none;border:1px solid var(--line);padding:.9rem;background:#fff}
.resource-list strong{display:block;color:var(--navy2)}
.resource-list span{display:block;color:var(--muted);font-size:.84rem;margin-top:.2rem}

/* Footer */
.site-footer{background:var(--navy);color:#fff}
.footer-inner{max-width:var(--max);margin:auto;padding:2.2rem 2rem;display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:2rem}
.site-footer h2,.site-footer h3{color:#fff}
.site-footer a{color:#d7f0f2;text-decoration:none}
.site-footer a:hover{color:#fff}
.site-footer p,.site-footer li{color:#fff;font-size:.85rem}
.footer-brand b{display:block;font-size:1.3rem;letter-spacing:.06em}
.footer-bottom{border-top:1px solid rgba(255,255,255,.16);padding:1rem 2rem;text-align:center;font-size:.78rem}

/* Responsive */
@media(max-width:1180px){
  .main-nav{gap:.3rem}
  .home-hero .hero-inner{padding-right:2rem}
  .explore-panel{display:none}
  .image-card-grid{grid-template-columns:repeat(3,1fr)}
  .four-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:920px){
  .header-inner{display:flex;flex-wrap:wrap}
  .menu-toggle{display:block}
  .main-nav{display:none;width:100%;flex-direction:column}
  .main-nav.open{display:flex}
  .nav-item{width:100%}
  .nav-button,.nav-link{width:100%}
  .dropdown{position:static;box-shadow:none;border:0;border-left:2px solid var(--teal);margin-left:.7rem}
  .home-shell,.inner-grid{grid-template-columns:1fr}
  .home-sidebar{display:grid;grid-template-columns:repeat(3,1fr)}
  .inner-aside{display:grid;grid-template-columns:1fr 1fr}
  .split,.split.reverse{grid-template-columns:1fr}
  .neighbour-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:650px){
  .utility-inner{padding:.4rem 1rem}.utility nav{display:none}
  .header-inner{padding:1rem}
  .brand{min-width:0}
  .hero{min-height:390px}
  .hero-inner{padding:3.5rem 1.2rem 2.5rem}
  .home-shell,.inner-shell{padding:1rem}
  .home-section,.article{padding:1.2rem}
  .image-card-grid,.neighbour-grid,.text-card-grid,.four-grid,.stats,.home-sidebar,.inner-aside{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
}

/* Article planning components */
.where-to-go-upgrade{margin:2rem 0}
.place-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:1rem}
.place-detail-card{padding:1.1rem;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.place-detail-card h3{margin-top:0;color:var(--navy2)}
.place-detail-card p{margin:.45rem 0;font-size:.92rem}
.guide-callout{margin:1.6rem 0;padding:1.2rem 1.3rem;background:#eef7f7;border-left:4px solid var(--teal);border-radius:0 var(--radius) var(--radius) 0}
.guide-callout h2,.guide-callout h3{margin-top:0}
@media(max-width:700px){.place-detail-grid{grid-template-columns:1fr}}

/* Platform 4.7 full-site navigation directory */
.footer-directory{grid-template-columns:1.2fr repeat(4,1fr)}
@media(max-width:1050px){.footer-directory{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){.footer-directory{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.footer-directory{grid-template-columns:1fr}}