:root{
  --navy:#062a4a;
  --navy-2:#031c32;
  --blue:#0b4f78;
  --green:#178b3a;
  --green-2:#6fbe44;
  --ink:#10243b;
  --muted:#64748b;
  --bg:#f6f8fb;
  --line:#e4e9ef;
  --white:#fff;
  --shadow:0 18px 50px rgba(3,28,50,.12);
  --radius:24px;
}
*{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;
  color:var(--ink);
  background:#fff;
  line-height:1.5;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);border-bottom:1px solid rgba(228,233,239,.9)
}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;min-width:210px}
.brand img{width:190px;height:auto}
.navlinks{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:650;color:#23364b}
.navlinks a:hover{color:var(--green)}
.actions{display:flex;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:0 22px;border-radius:12px;border:1px solid transparent;
  font-weight:750;transition:.2s ease;cursor:pointer;font-size:15px
}
.btn-primary{background:linear-gradient(135deg,var(--green),#20a94b);color:#fff;box-shadow:0 10px 25px rgba(23,139,58,.22)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(23,139,58,.28)}
.btn-secondary{border-color:#cfd8e3;background:#fff;color:var(--navy)}
.btn-secondary:hover{border-color:var(--green);color:var(--green)}
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 78% 18%, rgba(111,190,68,.16), transparent 27%),
    linear-gradient(135deg,#f9fbfd 0%,#fff 42%,#f3f8f5 100%);
  padding:78px 0 72px;
}
.hero:after{
  content:"";position:absolute;right:-120px;bottom:-240px;width:650px;height:650px;border-radius:50%;
  border:80px solid rgba(23,139,58,.055)
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
  background:#eaf6ed;color:var(--green);font-weight:800;font-size:12px;letter-spacing:.07em;text-transform:uppercase
}
h1{font-size:clamp(46px,5vw,72px);line-height:.98;letter-spacing:-.045em;margin:22px 0 22px;color:var(--navy-2)}
h1 .accent{color:var(--green)}
.lead{font-size:19px;color:#526174;max-width:640px;margin:0 0 32px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.micro{display:flex;gap:30px;margin-top:42px;padding-top:28px;border-top:1px solid var(--line)}
.micro-item{display:flex;gap:12px;align-items:flex-start;max-width:180px}
.micro-ico{width:38px;height:38px;border-radius:12px;background:#edf7ef;color:var(--green);display:grid;place-items:center;font-weight:900}
.micro strong{display:block;font-size:14px;color:var(--navy)}
.micro span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.event-card{
  position:relative;overflow:hidden;border-radius:30px;min-height:520px;
  background:var(--navy-2);box-shadow:0 30px 80px rgba(3,28,50,.25)
}
.event-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.38}
.event-card:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,28,50,.98) 0%,rgba(3,28,50,.82) 48%,rgba(3,28,50,.28) 100%)}
.event-content{position:relative;z-index:2;color:#fff;padding:48px;display:flex;flex-direction:column;justify-content:flex-end;min-height:520px}
.badge{display:inline-flex;align-self:flex-start;background:rgba(31,177,77,.98);padding:7px 12px;border-radius:999px;font-size:11px;font-weight:850;letter-spacing:.05em}
.event-content h2{font-size:38px;line-height:1.06;margin:18px 0 12px;letter-spacing:-.03em;max-width:520px}
.event-content h2 span{color:#77c84c}
.event-meta{font-size:14px;letter-spacing:.06em;text-transform:uppercase;color:#d8e3ec;font-weight:700}
.event-copy{color:#dbe5ec;max-width:520px}
.section{padding:72px 0}
.section.soft{background:var(--bg)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section h3{font-size:34px;line-height:1.1;margin:0;color:var(--navy);letter-spacing:-.025em}
.section-sub{color:var(--muted);max-width:620px;margin-top:10px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  box-shadow:0 8px 30px rgba(17,36,59,.06);transition:.2s ease
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card-visual{height:200px;background:linear-gradient(145deg,var(--navy),#0c5073);position:relative;overflow:hidden}
.card-visual img{width:100%;height:100%;object-fit:cover}
.card-body{padding:22px}
.kicker{font-size:11px;color:var(--green);font-weight:850;text-transform:uppercase;letter-spacing:.08em}
.card h4{font-size:22px;margin:8px 0;color:var(--navy)}
.card p{margin:0;color:var(--muted);font-size:14px}
.card-footer{margin-top:18px;display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:750;color:var(--green)}
.feature-strip{background:var(--navy-2);color:#fff;padding:34px 0}
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.feature{padding:8px 22px;border-right:1px solid rgba(255,255,255,.12)}
.feature:last-child{border-right:0}
.feature strong{display:block;margin-bottom:4px;font-size:15px}
.feature span{color:#b9cad7;font-size:12px}
.footer{background:#021726;color:#c6d3dc;padding:48px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:40px}
.footer img{width:220px;background:#fff;border-radius:14px;padding:8px}
.footer h5{color:#fff;margin:0 0 12px;font-size:14px}
.footer a,.footer p{font-size:13px;color:#aebfcb}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:30px;padding-top:18px;font-size:12px;color:#8397a6}

/* Event lobby */
.event-hero{
  background:linear-gradient(115deg,rgba(3,28,50,.98),rgba(3,28,50,.76)),url('../assets/congreso-apia.webp') center/cover no-repeat;
  color:#fff;padding:92px 0 84px
}
.event-hero h1{color:#fff;font-size:clamp(44px,5vw,68px)}
.event-hero h1 span{color:#75c64b}
.event-hero .lead{color:#d6e2ea}
.event-chips{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 34px}
.chip{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);padding:9px 13px;border-radius:999px;font-size:12px}
.module-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.module{
  padding:26px;border:1px solid var(--line);border-radius:20px;background:#fff;
  min-height:180px;transition:.2s ease
}
.module:hover{transform:translateY(-3px);border-color:#c5ddcb;box-shadow:0 14px 34px rgba(3,28,50,.08)}
.module .n{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#eaf6ed;color:var(--green);font-weight:900}
.module h4{margin:18px 0 8px;color:var(--navy);font-size:18px}
.module p{margin:0;color:var(--muted);font-size:13px}

/* Exhibitors / preview */
.page-head{padding:64px 0 34px;background:linear-gradient(180deg,#f5f8fb,#fff)}
.page-head h1{font-size:48px;margin:0 0 14px}
.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:14px}
.exhibitor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.exhibitor{border:1px solid var(--line);border-radius:20px;padding:24px;background:#fff}
.ex-logo{height:92px;border-radius:15px;background:linear-gradient(135deg,#edf5ef,#f8fafc);display:grid;place-items:center;color:var(--green);font-weight:900;letter-spacing:.06em}
.exhibitor h4{font-size:19px;margin:18px 0 8px;color:var(--navy)}
.exhibitor p{font-size:13px;color:var(--muted);margin:0 0 16px}
.locked{opacity:.58}
.notice{padding:22px;border-radius:16px;background:#eef7f0;border:1px solid #d6eadb;color:#335d40;margin:24px 0}

/* Stand demo */
.stand-hero{padding:70px 0;background:linear-gradient(135deg,#f7faf8,#fff)}
.stand-box{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:center}
.stand-logo{height:250px;border-radius:28px;background:linear-gradient(145deg,var(--navy),#0b557c);color:#fff;display:grid;place-items:center;font-size:28px;font-weight:900;box-shadow:var(--shadow)}
.quick-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}

/* Modal */
.modal-backdrop{position:fixed;inset:0;background:rgba(2,23,38,.66);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.modal-backdrop.open{display:flex}
.modal{width:min(560px,100%);background:#fff;border-radius:24px;padding:30px;box-shadow:0 30px 90px rgba(0,0,0,.28)}
.modal-top{display:flex;justify-content:space-between;gap:20px;align-items:start}
.modal h3{margin:0;color:var(--navy);font-size:28px}
.close{border:0;background:#edf1f5;width:38px;height:38px;border-radius:12px;cursor:pointer;font-size:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:12px;font-weight:750;color:#405267}
.field input,.field select{
  min-height:46px;border:1px solid #ccd6e0;border-radius:11px;padding:0 12px;font:inherit;background:#fff
}
.form-note{font-size:11px;color:var(--muted);margin-top:12px}
.mobile-menu{display:none}

@media(max-width:980px){
  .navlinks{display:none}.actions .btn-secondary{display:none}
  .hero-grid,.stand-box{grid-template-columns:1fr}
  .event-card{min-height:460px}.event-content{min-height:460px}
  .cards{grid-template-columns:1fr 1fr}
  .module-grid{grid-template-columns:1fr 1fr}
  .features{grid-template-columns:1fr 1fr}
  .feature:nth-child(2){border-right:0}
  .exhibitor-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .container{width:min(100% - 28px,1180px)}
  .nav{height:68px}.brand img{width:160px}
  h1{font-size:44px}.hero{padding:50px 0}
  .micro{display:grid;grid-template-columns:1fr 1fr;gap:18px}
  .event-content{padding:28px}.event-content h2{font-size:30px}
  .cards,.module-grid,.exhibitor-grid,.features,.footer-grid{grid-template-columns:1fr}
  .feature{border-right:0;border-bottom:1px solid rgba(255,255,255,.12);padding:12px 0}
  .section{padding:52px 0}.section-head{align-items:start;flex-direction:column}
  .form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}
}