:root{
  --navy:#07186f;
  --deep:#050c42;
  --royal:#20248d;
  --blue:#047fd3;
  --green:#46952e;
  --yellow:#dedb00;
  --ink:#111529;
  --muted:#60677a;
  --paper:#fff;
  --wash:#f2f3f7;
  --line:#dfe3ec;
  --max:1200px;
  --shadow:0 24px 60px rgba(8,20,90,.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Georgia,"Times New Roman",serif;line-height:1.65}
img{max-width:100%;display:block}
a{color:inherit}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;color:#000;padding:10px;z-index:100}
.skip-link:focus{left:10px;top:10px}
.shell{width:min(var(--max),calc(100% - 42px));margin:0 auto}
.site-header{position:absolute;left:0;right:0;top:0;z-index:10;border-bottom:1px solid rgba(255,255,255,.24)}
.nav-shell{width:min(var(--max),calc(100% - 42px));margin:auto;min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:35px}
.brand img{width:235px;height:auto}
nav{display:flex;gap:28px}
nav a{color:#fff;text-decoration:none;font-family:Arial,Helvetica,sans-serif;font-size:.9rem;font-weight:700}
nav a:hover{text-decoration:underline;text-underline-offset:5px}
.hero{position:relative;min-height:850px;background:var(--deep);color:white;overflow:hidden;display:flex;align-items:center}
.hero-media{position:absolute;inset:0;background:
 linear-gradient(90deg,rgba(4,10,55,.96) 0%,rgba(8,20,105,.86) 47%,rgba(8,20,105,.38) 100%),
 url('hero-city.jpg') center/cover no-repeat}
.hero-media::after{content:"";position:absolute;right:-10vw;bottom:-34vw;width:56vw;height:56vw;border:2px solid rgba(255,255,255,.12);border-radius:50%}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.35fr .65fr;gap:80px;align-items:center;padding-top:120px}
.eyebrow,.kicker{text-transform:uppercase;letter-spacing:.13em;font-family:Arial,Helvetica,sans-serif;font-size:.73rem;font-weight:800}
.eyebrow{color:#fff;margin:0 0 22px}
.hero-context{max-width:720px;margin:0 0 22px;color:#fff;font-size:clamp(1.25rem,2.4vw,2rem);font-weight:400;line-height:1.25}
.hero h1{margin:0;color:#fff;font-family:"Arial Narrow",Arial,Helvetica,sans-serif;font-size:clamp(3.2rem,6.5vw,6.4rem);line-height:.96;text-transform:uppercase;letter-spacing:-.035em}
.hero h1 span{color:#ffffff}
.hero-subtitle{max-width:760px;font-family:Arial,Helvetica,sans-serif;font-size:clamp(1.25rem,2.2vw,1.85rem);font-weight:700;line-height:1.2;margin:20px 0 22px}
.hero-intro{max-width:720px;color:#e6e8ff;font-size:1.08rem}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.button{display:inline-block;padding:14px 20px;text-decoration:none;text-transform:uppercase;letter-spacing:.05em;font-weight:900;font-size:.84rem}
.button.primary{background:var(--yellow);color:var(--deep)}
.button.ghost{border:1px solid rgba(255,255,255,.66);color:white}
.event-card{background:rgba(255,255,255,.96);color:var(--ink);padding:30px;box-shadow:var(--shadow);border-top:8px solid var(--yellow)}
.event-card>img{width:72px;margin:0 0 18px auto}
.event-label{color:var(--navy);text-transform:uppercase;font-weight:900;letter-spacing:.06em}
.event-card dl{margin:24px 0 0}
.event-card dl div{padding:13px 0;border-top:1px solid var(--line)}
.event-card dt{text-transform:uppercase;letter-spacing:.1em;font-size:.69rem;color:var(--muted);font-weight:800}
.event-card dd{margin:3px 0 0;font-weight:800}
.section{position:relative;padding:92px 0}
.section-marker{position:absolute;top:40px;left:0;color:var(--royal);font-weight:900;font-size:.8rem;letter-spacing:.13em}
.section-marker.light{color:var(--yellow)}
.kicker{color:var(--royal);margin:0 0 12px}
h2{margin:0;color:var(--navy);font-family:"Arial Narrow",Arial,Helvetica,sans-serif;font-size:clamp(2rem,3.8vw,4rem);line-height:1.02;text-transform:uppercase;letter-spacing:-.02em}
h3{line-height:1.2}
.about-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:90px;align-items:start}
.lead{color:var(--navy);font-size:1.28rem;font-weight:700;line-height:1.48}
.flyer-wrap{max-width:430px;margin-left:auto}
.flyer-frame{padding:16px;background:#fff;box-shadow:var(--shadow);transform:rotate(1deg)}
.flyer-frame img{width:100%}
.caption{font-size:.78rem;color:var(--muted);margin-top:18px}
.impact-band{background:var(--wash);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.impact-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.impact-grid article{padding:55px 28px;border-right:1px solid var(--line);min-height:245px}
.impact-grid article:first-child{border-left:1px solid var(--line)}
.impact-grid span{color:var(--royal);font-size:.75rem;letter-spacing:.15em;font-weight:900}
.impact-grid h3{color:var(--navy);font-family:Arial,Helvetica,sans-serif;text-transform:none;font-size:1.08rem;margin:30px 0 12px}
.impact-grid p{color:var(--muted);margin:0}
.section-head{max-width:860px;margin-bottom:48px}
.section-head p:last-child{font-size:1.08rem;color:var(--muted)}
.speaker-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.speaker-card{background:white;border:1px solid var(--line);transition:transform .25s ease,box-shadow .25s ease}
.speaker-card:hover{transform:translateY(-7px);box-shadow:var(--shadow)}
.portrait{aspect-ratio:1/1;overflow:hidden;background:var(--wash)}
.portrait img{width:100%;height:100%;object-fit:cover}
.speaker-copy{padding:28px}
.speaker-role{color:var(--royal);font-family:Arial,Helvetica,sans-serif;font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.11em}
.speaker-copy h3{color:var(--navy);font-family:Arial,Helvetica,sans-serif;font-size:1.45rem;margin:8px 0 12px}
.speaker-copy p{color:var(--muted)}
.speaker-copy a{color:var(--royal);font-weight:800;text-decoration-thickness:2px;text-underline-offset:4px}
.themes{width:100%;max-width:none;background:linear-gradient(155deg,var(--deep),var(--royal));color:white;padding-left:max(21px,calc((100% - var(--max))/2));padding-right:max(21px,calc((100% - var(--max))/2))}
.section-head.light h2,.section-head.light p,.section-head.light .kicker{color:white}
.theme-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.theme-card{position:relative;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);padding:30px;min-height:290px;overflow:hidden;transition:transform .25s ease,background .25s ease}
.theme-card:hover{transform:translateY(-6px);background:rgba(255,255,255,.14)}
.theme-card::after{content:"";position:absolute;right:-55px;bottom:-55px;width:130px;height:130px;transform:rotate(45deg);background:linear-gradient(135deg,var(--blue),var(--navy))}
.theme-card:nth-child(2)::after{background:linear-gradient(135deg,var(--green),var(--blue))}
.theme-card:nth-child(3)::after{background:linear-gradient(135deg,var(--yellow),var(--green))}
.theme-card:nth-child(4)::after{background:linear-gradient(135deg,var(--royal),var(--blue))}
.theme-card span{color:var(--yellow);font-weight:900;letter-spacing:.15em;font-size:.8rem}
.theme-card h3{margin:72px 0 12px;font-family:Arial,Helvetica,sans-serif;text-transform:none;font-size:1.2rem;max-width:230px}
.theme-card p{color:#e6e8ff}
.timeline{position:relative;margin-top:58px}
.timeline::before{content:"";position:absolute;left:116px;top:0;bottom:0;width:2px;background:var(--line)}
.timeline-item{position:relative;display:grid;grid-template-columns:116px 1fr;gap:52px;padding:0 0 48px}
.timeline-item::before{content:"";position:absolute;left:108px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--yellow);border:4px solid white;box-shadow:0 0 0 2px var(--royal)}
.timeline-item time{color:var(--royal);font-size:1.1rem;font-weight:900}
.timeline-item>div{padding-bottom:35px;border-bottom:1px solid var(--line)}
.timeline-item h3{margin:0 0 7px;color:var(--navy);font-family:Arial,Helvetica,sans-serif;font-size:1.28rem;text-transform:none}
.timeline-item p{margin:0;color:var(--muted)}
.timeline-item ul{color:var(--muted)}
.timeline-item.featured>div{background:var(--wash);padding:28px;border-left:5px solid var(--yellow)}
.venue{display:grid;grid-template-columns:1.15fr .85fr;min-height:650px;background:var(--navy);color:white}
.venue-photo{background:linear-gradient(rgba(5,10,55,.15),rgba(5,10,55,.15)),url('novotel-leicester.jpg') center/cover no-repeat;filter:none}
.venue-copy{padding:90px max(30px,calc((100vw - var(--max))/2));padding-left:70px;align-self:center}
.venue-copy .kicker{color:var(--yellow)}
.venue-copy h2{color:white}
.venue-date{font-size:1.3rem;font-weight:800}
.enquiries{margin-top:34px;padding-top:25px;border-top:1px solid rgba(255,255,255,.25)}
footer{background:#03072b;color:white}
.footer-shell{width:min(var(--max),calc(100% - 42px));margin:auto;min-height:150px;display:flex;align-items:center;gap:30px}
.footer-shell img{width:230px}
.footer-shell p{margin-left:auto;color:#d8dcff}
.footer-shell a{color:var(--yellow);font-weight:800}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}
@media(max-width:950px){
  nav{display:none}
  .hero{min-height:auto;padding:120px 0 80px}
  .hero-grid,.about-grid,.venue{grid-template-columns:1fr}
  .event-card{max-width:520px}
  .flyer-wrap{margin:40px 0 0}
  .impact-grid,.theme-grid{grid-template-columns:repeat(2,1fr)}
  .speaker-grid{grid-template-columns:1fr}
  .speaker-card{display:grid;grid-template-columns:250px 1fr}
  .venue-photo{min-height:420px}
  .venue-copy{padding:70px 35px}
}
@media(max-width:650px){
  .brand img{width:190px}
  .hero h1{font-size:3.2rem}
  .hero-subtitle{font-size:1.45rem}
  .impact-grid,.theme-grid{grid-template-columns:1fr}
  .impact-grid article,.impact-grid article:first-child{border-left:0;border-right:0;border-bottom:1px solid var(--line)}
  .speaker-card{display:block}
  .timeline::before{left:8px}
  .timeline-item{grid-template-columns:1fr;padding-left:38px;gap:8px}
  .timeline-item::before{left:0}
  .timeline-item time{margin-bottom:5px}
  .footer-shell{flex-direction:column;align-items:flex-start;padding:38px 0}
  .footer-shell p{margin-left:0}
}

/* Version 3 editorial refinements */
.hero-intro,
.event-card,
.button,
.speaker-copy,
.theme-card,
.timeline-item,
.venue-copy,
.footer-shell,
.caption,
.programme,
.impact-grid,
.enquiries {
  font-family: Arial, Helvetica, sans-serif;
}
.about p,
.section-head > p:last-child {
  max-width: 760px;
}
.speakers,
.programme {
  background: #ffffff;
}
.impact-band {
  background: #fafafa;
}
.theme-card {
  min-height: 255px;
}
.hero {
  min-height: 760px;
}