/* ===========================================================
   ICVCCN 2026 — AMC Engineering College
   Design language modelled on cvs3-conference.com / icncda.co.uk
   =========================================================== */

:root{
  --navy:#12175C;
  --navy-deep:#0B0F3D;
  --navy-soft:#2A3080;
  --blue:#8DA9D6;
  --orange:#EE7623;
  --orange-dark:#C85E12;
  --beige:#F9F5E9;
  --beige-2:#F3EEE0;
  --ink:#222222;
  --ink-soft:#4A4A4A;
  --line:#E2DCCB;
  --white:#ffffff;

  --head:"Oswald","Impact","Haettenschweiler","Arial Narrow Bold",sans-serif;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --body:"Inter","Helvetica Neue",Arial,sans-serif;

  --wrap:1180px;
  --shadow:0 2px 14px rgba(18,23,92,.09);
  --shadow-lg:0 12px 34px rgba(18,23,92,.16);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:140px}
body{
  margin:0;
  font-family:var(--body);
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--navy);text-decoration:none}
a:hover{color:var(--orange)}
h1,h2,h3,h4{font-family:var(--head);font-weight:600;letter-spacing:.4px;line-height:1.2;color:var(--navy);margin:0 0 .6em}
p{margin:0 0 1.1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}

/* ---------- Top utility strip ---------- */
.topbar{background:var(--navy-deep);color:#D8DCF5;font-size:13px}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:8px 26px;align-items:center;justify-content:space-between;padding-top:8px;padding-bottom:8px}
.topbar a{color:#D8DCF5}
.topbar a:hover{color:var(--orange)}
.topbar .tb-group{display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center}
.topbar .tb-item{display:inline-flex;align-items:center;gap:7px}
.topbar svg{width:14px;height:14px;flex:none;fill:currentColor}

/* ---------- Masthead ---------- */
.masthead{background:var(--white);border-bottom:1px solid var(--line)}
.masthead .wrap{display:flex;align-items:center;justify-content:space-between;gap:22px;padding-top:14px;padding-bottom:14px}
.brand-logo img{height:133px;width:auto;object-fit:contain}
.brand-title{text-align:center;flex:1 1 320px;min-width:0}
.brand-title .acr{font-family:var(--head);font-size:clamp(26px,4.4vw,42px);color:var(--navy);letter-spacing:1.5px;line-height:1;margin:0}
.brand-title .acr span{color:var(--orange)}
.brand-title .full{font-size:clamp(11px,1.5vw,14px);color:var(--ink-soft);text-transform:uppercase;letter-spacing:.8px;margin:7px 0 0;font-weight:600}
.brand-title .meta{font-family:var(--serif);font-size:14px;color:var(--navy-soft);margin:5px 0 0}
.pub-logo{display:flex;align-items:center;gap:10px}
.pub-logo img,.pub-logo svg{height:58px;width:auto}
.pub-logo .cap{font-size:10px;letter-spacing:1.3px;text-transform:uppercase;color:var(--ink-soft);text-align:center;margin-top:4px}

/* ---------- Navigation ---------- */
.nav{background:var(--navy);position:sticky;top:0;z-index:600;box-shadow:0 2px 10px rgba(0,0,0,.18)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;padding:0 20px}
.nav .bar{display:none}
.nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap}
.nav > .wrap > ul > li{position:relative}
.nav a{
  display:block;color:#fff;font-size:12.5px;font-weight:600;
  text-transform:uppercase;letter-spacing:.3px;padding:15px 10px;
  transition:background .18s,color .18s;
}
.nav a:hover,.nav li.active > a{background:var(--orange);color:#fff}
.nav .has-sub > a::after{content:"▾";margin-left:6px;font-size:11px;opacity:.85}
.nav .sub{
  display:none;position:absolute;top:100%;left:0;min-width:262px;
  background:#fff;border-top:3px solid var(--orange);
  box-shadow:var(--shadow-lg);padding:6px 0;flex-direction:column;z-index:700;
}
.nav li:hover > .sub{display:flex}
.nav .sub a{color:var(--ink);text-transform:none;letter-spacing:0;font-weight:500;
  font-size:14px;padding:10px 18px;border-bottom:1px solid #F0EDE3}
.nav .sub a:hover{background:var(--beige);color:var(--navy);padding-left:24px}
.nav .sub li:last-child a{border-bottom:0}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:24px;padding:12px 4px;cursor:pointer;line-height:1}

/* ---------- Hero carousel (full-bleed background) ---------- */
.hero{position:relative;height:clamp(380px,60vh,580px);overflow:hidden;background:var(--navy-deep)}
.hero .slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease;
  background-size:cover;background-position:center;background-repeat:no-repeat}
.hero .slide.on{opacity:1}
/* Readability veil: heaviest on the left where the headline sits */
.hero .veil{position:absolute;inset:0;z-index:2;
  background:linear-gradient(90deg,rgba(11,15,61,.90) 0%,rgba(18,23,92,.70) 46%,rgba(18,23,92,.42) 100%)}
.hero .inner{position:relative;z-index:3;height:100%;display:flex;align-items:center}
.hero .inner > .wrap{width:100%}
.hero .eyebrow{display:inline-block;background:var(--orange);color:#fff;font-size:12px;font-weight:700;
  text-transform:uppercase;letter-spacing:1.6px;padding:6px 14px;border-radius:2px;margin-bottom:16px}
.hero h1{color:#fff;font-size:clamp(32px,5.4vw,58px);margin:0 0 12px;max-width:940px;
  text-shadow:0 2px 18px rgba(0,0,0,.45)}
.hero h1 span{color:#FFD487}
.hero .sub{color:#E8EBFB;font-family:var(--serif);font-size:clamp(15px,2.1vw,21px);max-width:720px;
  margin:0 0 10px;text-shadow:0 1px 10px rgba(0,0,0,.4)}
.hero .where{color:#fff;font-weight:600;font-size:15px;margin:0 0 24px;text-shadow:0 1px 10px rgba(0,0,0,.45)}
.hero .where b{color:#FFD487}
.hero .cta-row{display:flex;flex-wrap:wrap;gap:12px}
.hero .dots{position:absolute;bottom:18px;left:0;right:0;z-index:4;display:flex;justify-content:center;gap:9px}
.hero .dots button{width:11px;height:11px;border-radius:50%;border:2px solid #fff;
  background:rgba(0,0,0,.3);cursor:pointer;padding:0}
.hero .dots button.on{background:var(--orange);border-color:var(--orange)}

@media(max-width:620px){
  .hero{height:clamp(340px,58vh,460px)}
  .hero .veil{background:linear-gradient(180deg,rgba(11,15,61,.78) 0%,rgba(18,23,92,.86) 100%)}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;padding:13px 28px;border-radius:3px;font-weight:700;font-size:14px;
  text-transform:uppercase;letter-spacing:.9px;border:2px solid transparent;cursor:pointer;
  transition:.2s;text-align:center
}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange)}
.btn-primary:hover{background:var(--orange-dark);border-color:var(--orange-dark);color:#fff}
.btn-ghost{background:transparent;color:#fff;border-color:#fff}
.btn-ghost:hover{background:#fff;color:var(--navy)}
.btn-navy{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn-navy:hover{background:var(--orange);border-color:var(--orange);color:#fff}

/* ---------- Countdown strip ---------- */
.countdown{background:var(--navy-deep);color:#fff;padding:22px 0}
.countdown .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:16px 30px}
.countdown .cd-label{font-family:var(--head);text-transform:uppercase;letter-spacing:1.4px;font-size:16px;color:#FFD487}
.countdown .cd-grid{display:flex;gap:12px}
.countdown .cd-box{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
  border-radius:4px;min-width:74px;padding:9px 6px;text-align:center}
.countdown .cd-num{font-family:var(--head);font-size:28px;line-height:1;color:#fff}
.countdown .cd-unit{font-size:10.5px;text-transform:uppercase;letter-spacing:1.2px;color:#C3C9EC;margin-top:5px}

/* ---------- Sections ---------- */
.sec{padding:66px 0}
.sec-beige{background:var(--beige)}
.sec-navy{background:var(--navy);color:#EDEFFA}
.sec-navy h2,.sec-navy h3{color:#fff}
.sec-head{text-align:center;margin-bottom:38px}
.sec-head h2{display:inline-block;font-size:clamp(24px,3.6vw,36px);border-bottom:4px solid var(--orange);padding-bottom:10px;margin:0}
.sec-navy .sec-head h2{border-bottom-color:#FFD487}
.sec-head p{margin:16px auto 0;max-width:780px;color:var(--ink-soft);font-family:var(--serif);font-size:16.5px}
.sec-navy .sec-head p{color:#C9CEEC}
.lead{font-family:var(--serif);font-size:17.5px;color:var(--ink-soft)}

/* ---------- Page banner ---------- */
.banner{position:relative;background:var(--navy);min-height:212px;display:flex;align-items:center;
  background-size:cover;background-position:center}
.banner::before{content:"";position:absolute;inset:0;background:linear-gradient(rgba(18,23,92,.9),rgba(11,15,61,.92))}
.banner .wrap{position:relative;z-index:2;text-align:center;width:100%;padding-top:42px;padding-bottom:42px}
.banner h1{color:#fff;font-size:clamp(26px,4.6vw,44px);margin:0}
.crumb{margin-top:12px;font-size:13.5px;color:#C7CCEB}
.crumb a{color:#FFD487}
.crumb span{margin:0 8px;opacity:.6}

/* ---------- Cards ---------- */
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:6px;padding:26px;box-shadow:var(--shadow);
  transition:transform .22s,box-shadow .22s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card h3{font-size:19px;margin:0 0 10px}
.card p:last-child{margin-bottom:0}
.card .icon{width:50px;height:50px;border-radius:50%;background:var(--beige);color:var(--orange);
  display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px;font-family:var(--head)}

/* Track cards */
.track{background:#fff;border:1px solid var(--line);border-top:5px solid var(--orange);border-radius:6px;
  padding:26px;box-shadow:var(--shadow);height:100%}
.track .tno{font-family:var(--head);font-size:13px;letter-spacing:1.6px;text-transform:uppercase;color:var(--orange);margin-bottom:6px}
.track h3{font-size:20px;margin:0 0 14px}
.track ul{margin:0;padding-left:19px}
.track li{margin-bottom:7px;color:var(--ink-soft);font-size:15px}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;min-width:520px}
thead th{background:var(--navy);color:#fff;font-family:var(--head);font-weight:500;letter-spacing:.7px;
  text-align:left;padding:14px 18px;font-size:15px;text-transform:uppercase}
tbody td{padding:13px 18px;border-bottom:1px solid var(--line);font-size:15px;vertical-align:top}
tbody tr:nth-child(even){background:var(--beige)}
tbody tr:hover{background:#FFF4E8}
tbody tr:last-child td{border-bottom:0}
td.sn{width:64px;text-align:center;font-weight:700;color:var(--orange)}
td.nm{font-weight:600;color:var(--navy);white-space:nowrap}

/* Dates table highlight */
.dates-table td:last-child{font-family:var(--serif);font-weight:700;color:var(--orange-dark);white-space:nowrap}

/* ---------- People chips ---------- */
.people{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.person{background:#fff;border:1px solid var(--line);border-left:4px solid var(--orange);border-radius:5px;padding:16px 18px}
.person .pn{font-weight:700;color:var(--navy);font-size:15.5px}
.person .pd{font-size:13.5px;color:var(--ink-soft);margin-top:3px}

/* ---------- Highlight banner ---------- */
.ribbon{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-soft) 100%);color:#fff;
  padding:34px;border-radius:8px;text-align:center;box-shadow:var(--shadow-lg)}
.ribbon h3{color:#FFD487;margin:0 0 10px;font-size:22px}
.ribbon p{margin:0;color:#DCE0F6}

.notice{background:#FFF7EC;border-left:5px solid var(--orange);padding:18px 22px;border-radius:0 5px 5px 0;margin-bottom:22px}
.notice p:last-child{margin-bottom:0}

/* ---------- Split (text + image) ---------- */
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.split img{border-radius:8px;box-shadow:var(--shadow-lg);width:100%}
.split.rev{grid-template-columns:.85fr 1.15fr}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat{padding:22px 12px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:6px}
.stat .n{font-family:var(--head);font-size:34px;color:#FFD487;line-height:1}
.stat .l{font-size:12.5px;text-transform:uppercase;letter-spacing:1.1px;color:#C9CEEC;margin-top:8px}

/* ---------- Ordered / checklists ---------- */
.checklist{list-style:none;margin:0;padding:0}
.checklist li{position:relative;padding-left:30px;margin-bottom:11px;color:var(--ink-soft)}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;color:var(--orange);font-weight:800}
.numlist{counter-reset:n;list-style:none;margin:0;padding:0}
.numlist li{counter-increment:n;position:relative;padding-left:44px;margin-bottom:16px;color:var(--ink-soft)}
.numlist li::before{content:counter(n);position:absolute;left:0;top:1px;width:29px;height:29px;border-radius:50%;
  background:var(--navy);color:#fff;font-family:var(--head);font-size:14px;display:flex;align-items:center;justify-content:center}

/* ---------- Accordion ---------- */
.acc{border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff;margin-bottom:12px}
.acc-h{width:100%;text-align:left;background:var(--beige);border:0;padding:16px 20px;cursor:pointer;
  font-family:var(--head);font-size:17px;color:var(--navy);display:flex;justify-content:space-between;gap:14px;align-items:center}
.acc-h:hover{background:var(--beige-2)}
.acc-h .pm{color:var(--orange);font-size:20px;flex:none}
.acc-b{display:none;padding:20px;border-top:1px solid var(--line)}
.acc.open .acc-b{display:block}
.acc.open .acc-h{background:var(--navy);color:#fff}
.acc.open .acc-h .pm{color:#FFD487}

/* ---------- Registration fee cards ---------- */
.fee{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;box-shadow:var(--shadow)}
.fee .fh{background:var(--navy);color:#fff;padding:18px;text-align:center}
.fee .fh h3{color:#fff;margin:0;font-size:19px}
.fee .fh .tag{font-size:12px;text-transform:uppercase;letter-spacing:1.2px;color:#FFD487;margin-top:5px}
.fee table{min-width:0}
.fee thead th{background:var(--beige-2);color:var(--navy);font-size:13px}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:#CFCFCF;padding:52px 0 0;font-size:14.5px}
.footer h3{color:#fff;font-size:18px;margin:0 0 16px;letter-spacing:.8px}
.footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:38px}
.footer a{color:#CFCFCF}
.footer a:hover{color:var(--orange)}
.footer ul{list-style:none;margin:0;padding:0}
.footer ul li{margin-bottom:9px}
.footer .frow{display:flex;gap:10px;margin-bottom:11px;align-items:flex-start}
.footer .frow svg{width:16px;height:16px;flex:none;margin-top:4px;fill:var(--orange)}
.footer .foot-logo{background:#fff;padding:10px 14px;border-radius:5px;display:inline-block;margin-bottom:16px}
.footer .foot-logo img{height:54px}
.copy{border-top:1px solid #3A3A3A;margin-top:42px;padding:20px 0;text-align:center;font-size:13.5px;color:#A5A5A5}

/* ---------- Back to top ---------- */
#toTop{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;border:0;
  background:var(--orange);color:#fff;font-size:20px;cursor:pointer;display:none;z-index:800;box-shadow:var(--shadow-lg)}
#toTop.on{display:block}

/* ---------- Reveal ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .split,.split.rev{grid-template-columns:1fr;gap:28px}
  .footer .cols{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:860px){
  .nav-toggle{display:block}
  .nav .wrap{flex-direction:column;align-items:stretch;padding:0}
  .nav .bar{display:flex;justify-content:space-between;align-items:center;padding:0 16px}
  .nav .bar .lbl{color:#fff;font-family:var(--head);letter-spacing:1.2px;font-size:14px;text-transform:uppercase}
  .nav > .wrap > ul{display:none;flex-direction:column;max-height:70vh;overflow-y:auto;border-top:1px solid rgba(255,255,255,.14)}
  .nav > .wrap > ul.open{display:flex}
  .nav a{padding:13px 18px;border-bottom:1px solid rgba(255,255,255,.10)}
  .nav .sub{position:static;box-shadow:none;border-top:0;background:rgba(0,0,0,.22);padding:0;display:none}
  .nav li.sub-open > .sub{display:flex}
  .nav li:hover > .sub{display:none}
  .nav li.sub-open > .sub{display:flex}
  .nav .sub a{color:#E4E7F7;padding-left:34px;border-bottom:1px solid rgba(255,255,255,.07)}
  .nav .sub a:hover{background:rgba(255,255,255,.08);color:#fff}
  .masthead .wrap{flex-direction:column;text-align:center;gap:14px}
  .brand-title{flex:0 0 auto}
  .pub-logo{flex:0 0 auto}
  .pub-logo img{height:48px}
  .countdown .wrap{flex-direction:column}
}
@media(max-width:620px){
  .g2,.g3,.g4{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr}
  .sec{padding:46px 0}
  .countdown .cd-box{min-width:63px}
  .brand-logo img{height:100px}
}
@media print{.nav,.topbar,#toTop,.hero{display:none}}

/* ---------- People cards / chips / leadership blocks ---------- */
.card .prole{font-size:14px;color:var(--orange-dark);font-weight:700;margin:0 0 4px;
  text-transform:uppercase;letter-spacing:.6px}
.card .porg{font-size:14.5px;color:var(--ink-soft);margin:0 0 8px}
.sub-head{text-align:center;font-size:17px;text-transform:uppercase;letter-spacing:1.6px;
  color:var(--orange);margin:0 0 24px}
.sec-navy .sub-head{color:#FFD487}

.chips{display:flex;flex-wrap:wrap;gap:11px;justify-content:center;max-width:960px;margin:0 auto}
.chip{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);color:#EDEFFA;
  padding:9px 17px;border-radius:40px;font-size:14px}
.sec-beige .chip,.sec:not(.sec-navy) .chip{background:#fff;border-color:var(--line);color:var(--navy)}

.lead-block{margin-bottom:34px}
.lead-block h3{font-size:16px;text-transform:uppercase;letter-spacing:1.5px;color:var(--orange);
  text-align:center;margin:0 0 18px}
.sec-navy .lead-block h3{color:#FFD487}

.count-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center;margin-bottom:40px}
.count-strip .cs{background:#fff;border:1px solid var(--line);border-radius:6px;padding:20px 12px;box-shadow:var(--shadow)}
.count-strip .cs .n{font-family:var(--head);font-size:30px;color:var(--orange);line-height:1}
.count-strip .cs .l{font-size:12.5px;text-transform:uppercase;letter-spacing:1px;color:var(--ink-soft);margin-top:7px}
@media(max-width:820px){.count-strip{grid-template-columns:repeat(2,1fr)}}

/* Downloads / keynote card icon holds an SVG */
.card .icon svg{width:24px;height:24px;fill:var(--orange)}
@media(min-width:861px) and (max-width:1120px){
  .nav a{font-size:11.5px;padding:14px 8px}
}

/* ---------- Speaker cards ---------- */
.speakers{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,320px));gap:28px;justify-content:center}
.speaker{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;
  box-shadow:var(--shadow);text-align:center;transition:transform .22s,box-shadow .22s}
.speaker:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.speaker .ph{width:100%;aspect-ratio:1;overflow:hidden;background:var(--beige-2)}
.speaker .ph img{width:100%;height:100%;object-fit:cover;display:block}
.speaker .bd{padding:22px 20px 26px;border-top:4px solid var(--orange)}
.speaker .sn{font-family:var(--head);font-size:21px;color:var(--navy);margin:0 0 6px;letter-spacing:.3px}
.speaker .sr{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.9px;
  color:var(--orange-dark);margin:0 0 6px}
.speaker .so{font-size:14.5px;color:var(--ink-soft);margin:0}

/* Portrait poster inside a .split — keep it from towering over the text column */
.split img.poster{max-height:580px;width:auto;max-width:100%;margin:0 auto;display:block}
@media(max-width:980px){.split img.poster{max-height:520px}}