/* Online Warehouse — UK E-Commerce & Retail Industry Hub
   Clean corporate/modern theme */

:root{
  --navy:#0b2545;
  --navy-2:#13315c;
  --blue:#1d6fd6;
  --blue-light:#e8f1fd;
  --accent:#f2994a;
  --ink:#152238;
  --ink-soft:#4a5568;
  --border:#e2e8f0;
  --bg:#ffffff;
  --bg-soft:#f6f8fb;
  --success:#1c8a5b;
  --radius:10px;
  --shadow:0 4px 16px rgba(11,37,69,0.08);
  --shadow-lg:0 12px 32px rgba(11,37,69,0.14);
  --maxw:1180px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--blue);text-decoration:none;}
a:hover{text-decoration:underline;}
.article-content p a,.article-content li a{text-decoration:underline;text-decoration-color:rgba(29,111,214,.35);text-underline-offset:2px;}
.article-content p a:hover,.article-content li a:hover{text-decoration-color:currentColor;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
h1,h2,h3,h4{line-height:1.25;font-weight:700;color:var(--navy);margin:0 0 .6em;}
h1{font-size:clamp(1.9rem,4vw,3rem);}
h2{font-size:clamp(1.4rem,2.6vw,1.9rem);margin-top:1.8em;}
h3{font-size:1.2rem;margin-top:1.4em;}
p{margin:0 0 1.1em;color:var(--ink);}
ul,ol{margin:0 0 1.2em;padding-left:1.4em;}
li{margin-bottom:.5em;}
.lead{font-size:1.15rem;color:var(--ink-soft);}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* Skip link */
.skip-link{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 8px 0;}
.skip-link:focus{left:0;}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,0.96);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 24px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;color:var(--navy);}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:38px;height:38px;border-radius:8px;
  background:linear-gradient(135deg,var(--blue),var(--navy));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem;
  flex-shrink:0;
}
.brand small{display:block;font-size:.62rem;font-weight:600;letter-spacing:.08em;color:var(--ink-soft);text-transform:uppercase;}

.nav-toggle{
  display:none;background:none;border:1px solid var(--border);border-radius:8px;
  width:42px;height:42px;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:20px;height:2px;background:var(--navy);position:relative;transition:.2s;
}
.nav-toggle span::before{position:absolute;top:-6px;}
.nav-toggle span::after{position:absolute;top:6px;}

.main-nav{display:flex;}
.main-nav ul{display:flex;gap:2px;list-style:none;margin:0;padding:0;flex-wrap:wrap;}
.main-nav a{
  display:block;padding:10px 14px;border-radius:8px;color:var(--navy-2);font-weight:600;font-size:.92rem;
  white-space:nowrap;
}
.main-nav a:hover,.main-nav a:focus,.main-nav a.active{background:var(--blue-light);color:var(--blue);text-decoration:none;}
.nav-cta{background:var(--navy);color:#fff!important;padding:10px 18px!important;border-radius:8px;}
.nav-cta:hover{background:var(--blue)!important;}

@media (max-width:900px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;top:64px;left:0;right:0;height:calc(100vh - 64px);background:#fff;transform:translateX(100%);
    transition:transform .25s ease;overflow-y:auto;padding:12px 0 40px;border-top:1px solid var(--border);
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav ul{flex-direction:column;padding:0 20px;gap:4px;}
  .main-nav a{padding:14px 12px;font-size:1.02rem;}
}

/* Hero */
.hero{
  background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 55%,var(--blue) 130%);
  color:#fff;padding:72px 0 84px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,0.12),transparent 70%);
}
.hero .container{position:relative;z-index:1;}
.hero h1{color:#fff;max-width:800px;}
.hero p.lead{color:rgba(255,255,255,0.85);max-width:640px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.12);
  padding:6px 14px;border-radius:999px;font-size:.8rem;font-weight:600;letter-spacing:.03em;
  margin-bottom:18px;text-transform:uppercase;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:8px;font-weight:700;
  font-size:.95rem;border:2px solid transparent;cursor:pointer;transition:.15s;
}
.btn-primary{background:var(--accent);color:#1a1200;}
.btn-primary:hover{background:#ffab5e;text-decoration:none;}
.btn-outline{border-color:rgba(255,255,255,0.5);color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,0.12);text-decoration:none;}
.btn-solid{background:var(--blue);color:#fff;}
.btn-solid:hover{background:var(--navy);text-decoration:none;color:#fff;}

/* Stats strip */
.stats{background:var(--bg-soft);border-bottom:1px solid var(--border);padding:28px 0;}
.stats .container{display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between;}
.stat{flex:1 1 150px;text-align:center;}
.stat strong{display:block;font-size:1.7rem;color:var(--navy);font-weight:800;}
.stat span{font-size:.85rem;color:var(--ink-soft);}

/* Sections grid on homepage */
.section-block{padding:64px 0;}
.section-block.alt{background:var(--bg-soft);}
.section-heading{text-align:center;max-width:680px;margin:0 auto 44px;}
.section-heading h2{margin-top:0;}

.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;}

.pillar-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s;display:flex;flex-direction:column;
}
.pillar-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.pillar-icon{font-size:1.8rem;margin-bottom:12px;}
.pillar-card h3{margin-top:0;}
.pillar-card p{color:var(--ink-soft);flex-grow:1;}
.pillar-card .sub-list{list-style:none;padding:0;margin:14px 0 0;}
.pillar-card .sub-list li{margin-bottom:6px;}
.pillar-card .sub-list a{font-size:.92rem;font-weight:600;}
.pillar-card .card-link{margin-top:16px;font-weight:700;}

/* Article cards */
.article-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s;
}
.article-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
.article-card .card-body{padding:22px;display:flex;flex-direction:column;flex-grow:1;}
.tag{
  display:inline-block;background:var(--blue-light);color:var(--blue);font-size:.72rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.04em;padding:4px 10px;border-radius:999px;margin-bottom:12px;
  align-self:flex-start;
}
.article-card h3{font-size:1.05rem;margin:0 0 10px;}
.article-card p{color:var(--ink-soft);font-size:.92rem;flex-grow:1;}
.read-more{font-weight:700;font-size:.9rem;margin-top:10px;}

/* Breadcrumb */
.breadcrumb{font-size:.85rem;color:var(--ink-soft);padding:16px 0;}
.breadcrumb a{color:var(--ink-soft);font-weight:600;}
.breadcrumb span{margin:0 6px;}

/* Section landing header */
.section-hero{
  background:var(--bg-soft);border-bottom:1px solid var(--border);padding:40px 0 48px;
}
.section-hero .pillar-icon{font-size:2.4rem;}

.subsection-block{padding:48px 0;border-bottom:1px solid var(--border);}
.subsection-block:last-child{border-bottom:none;}
.subsection-head{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.subsection-head h2{margin:0;}
.subsection-head p{color:var(--ink-soft);margin:4px 0 0;flex-basis:100%;}

/* Article page */
.article-header{background:var(--bg-soft);border-bottom:1px solid var(--border);padding:36px 0 40px;}
.article-header h1{max-width:820px;}
.article-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:.88rem;color:var(--ink-soft);margin-top:16px;}
.article-meta .tag{margin-bottom:0;}
.article-body{padding:48px 0;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;align-items:start;}
.article-content{max-width:760px;}
.article-content h2{border-top:1px solid var(--border);padding-top:1em;}
.article-content h2:first-of-type{border-top:none;padding-top:0;}
.pull-quote{
  border-left:4px solid var(--blue);background:var(--blue-light);padding:16px 20px;border-radius:0 8px 8px 0;
  font-size:1.05rem;font-weight:600;color:var(--navy);margin:1.6em 0;
}
.callout{
  background:#fff7ec;border:1px solid #f6dcb3;border-radius:8px;padding:18px 20px;margin:1.6em 0;
}
.callout strong{color:var(--accent);display:block;margin-bottom:6px;font-size:.85rem;text-transform:uppercase;letter-spacing:.03em;}
.article-footer{margin-top:40px;padding-top:24px;border-top:1px solid var(--border);}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px;}

/* Sidebar */
.sidebar{position:sticky;top:90px;display:flex;flex-direction:column;gap:24px;}
.sidebar-box{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:22px;}
.sidebar-box h4{margin-top:0;font-size:.95rem;text-transform:uppercase;letter-spacing:.03em;color:var(--ink-soft);}
.sidebar-box ul{list-style:none;padding:0;margin:0;}
.sidebar-box li{margin-bottom:10px;}
.sidebar-box a{font-size:.92rem;font-weight:600;}
.sidebar-cta{background:linear-gradient(160deg,var(--navy),var(--blue));color:#fff;}
.sidebar-cta h4{color:rgba(255,255,255,0.85);}
.sidebar-cta p{color:rgba(255,255,255,0.85);font-size:.9rem;}

@media (max-width:940px){
  .article-layout{grid-template-columns:1fr;}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap;}
  .sidebar-box{flex:1 1 260px;}
}

/* Related articles */
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:20px;}

/* Contact */
.contact-section{padding:60px 0 80px;}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr;}}
.contact-info-box{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:28px;}
.contact-info-box h3{margin-top:0;}
.contact-info-box ul{list-style:none;padding:0;}
.contact-info-box li{display:flex;gap:10px;margin-bottom:14px;font-size:.95rem;}

.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px;}
.form-group{margin-bottom:18px;}
.form-group label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px;color:var(--navy);}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:8px;font-family:var(--font);
  font-size:.95rem;color:var(--ink);background:#fff;
}
.form-group input:focus,.form-group textarea:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:var(--blue);}
.form-group textarea{resize:vertical;min-height:130px;}
.form-note{font-size:.8rem;color:var(--ink-soft);margin-top:4px;}
.form-status{margin-top:14px;padding:12px 14px;border-radius:8px;font-size:.9rem;display:none;}
.form-status.show{display:block;}
.form-status.success{background:#e8f6ee;color:var(--success);border:1px solid #b7e3c9;}
.form-status.error{background:#fdecec;color:#b3261e;border:1px solid #f3bcbc;}
.hp-field{position:absolute;left:-9999px;top:-9999px;width:1px;height:1px;overflow:hidden;}
.submit-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}

/* Footer */
.site-footer{background:var(--navy);color:rgba(255,255,255,0.8);padding:56px 0 28px;font-size:.9rem;}
.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:32px;margin-bottom:36px;}
@media (max-width:900px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr;}}
.footer-grid h4{color:#fff;font-size:.85rem;text-transform:uppercase;letter-spacing:.04em;margin-bottom:14px;}
.footer-grid ul{list-style:none;padding:0;margin:0;}
.footer-grid li{margin-bottom:9px;}
.footer-grid a{color:rgba(255,255,255,0.75);}
.footer-grid a:hover{color:#fff;}
.footer-brand p{color:rgba(255,255,255,0.65);max-width:280px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.12);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.82rem;color:rgba(255,255,255,0.6);}

/* 404 / generic page */
.page-hero{padding:60px 0;text-align:center;}

/* Utility */
.text-center{text-align:center;}
.mt-0{margin-top:0;}