:root{
    --navy:#0A2342; --royal:#1D4ED8; --royal-dark:#1741B5; --teal:#14B8A6;
    --bg:#F8FAFC; --surface:#FFFFFF; --text:#111827; --text-muted:#4B5563; --border:#E5E7EB;
    --shadow-sm:0 1px 2px rgba(10,35,66,0.06); --shadow-md:0 8px 24px rgba(10,35,66,0.08); --shadow-lg:0 20px 40px rgba(10,35,66,0.14);
    --radius:16px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{margin:0;background:var(--bg);color:var(--text);font-family:'Inter',sans-serif;font-size:17px;line-height:1.6;}
  h1,h2,h3,h4{font-family:'Poppins',sans-serif;margin:0;color:var(--navy);letter-spacing:-0.01em;}
  a{color:inherit;text-decoration:none;}
  .container{max-width:1280px;margin:0 auto;padding:0 24px;}
  @media(min-width:1024px){.container{padding:0 64px;}}
  section{padding:56px 0;}
  @media(min-width:1024px){section{padding:88px 0;}}

  header{height:80px;display:flex;align-items:center;background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50;}
  .nav-wrap{display:flex;align-items:center;justify-content:space-between;width:100%;}
  .logo{display:flex;align-items:center;gap:10px;font-family:'Poppins',sans-serif;font-weight:700;font-size:18px;color:var(--navy);}
  .logo-mark{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--navy),var(--royal));display:flex;align-items:center;justify-content:center;flex:none;}
  .logo-mark svg{width:16px;height:16px;}
  nav.primary-nav{display:none;gap:28px;}
  nav.primary-nav a{font-size:14.5px;font-weight:500;color:var(--text-muted);}
  nav.primary-nav a:hover{color:var(--navy);}
  nav.primary-nav a.active{color:var(--royal);font-weight:600;}
  @media(min-width:1024px){nav.primary-nav{display:flex;}}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:14.5px;padding:12px 22px;border-radius:10px;cursor:pointer;border:none;transition:.2s;}
  .btn-primary{background:var(--royal);color:#fff;}
  .btn-primary:hover{background:var(--royal-dark);}
  .btn-ghost{background:none;color:var(--navy);}
  .btn-teal{background:var(--teal);color:#053b34;}
  .btn-teal:hover{background:#0d9488;}
  .btn-outline{background:transparent;border:1.5px solid rgba(255,255,255,.5);color:#fff;}
  .btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff;}
  .btn-sm{padding:9px 16px;font-size:13.5px;}

  .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(20,184,166,0.12);color:#0F766E;font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:20px;}
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);}
  .eyebrow.light{background:rgba(255,255,255,.12);color:#fff;}

  .page-hero{background:linear-gradient(135deg,var(--navy) 0%, #123a70 60%, var(--royal) 100%);color:#fff;padding:64px 0 56px;}
  .breadcrumb{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:18px;}
  .breadcrumb a:hover{color:#fff;}
  .page-hero h1{color:#fff;font-size:34px;max-width:640px;}
  @media(min-width:1024px){.page-hero h1{font-size:44px;}}
  .page-hero p{color:rgba(255,255,255,.78);margin-top:16px;max-width:560px;font-size:18px;}

  .section-head{max-width:640px;margin:0 auto 40px;text-align:center;}
  .section-head h2{font-size:28px;}
  @media(min-width:1024px){.section-head h2{font-size:36px;}}
  .section-head p{color:var(--text-muted);margin-top:12px;font-size:16.5px;}

  /* Featured event */
  .featured-event{
    background:#fff;border:1px solid var(--border);border-radius:24px;overflow:hidden;
    display:grid;box-shadow:var(--shadow-md);
  }
  @media(min-width:900px){.featured-event{grid-template-columns:1fr 1fr;}}
  .fe-visual{background:linear-gradient(135deg,var(--navy),var(--royal));min-height:260px;position:relative;overflow:hidden;padding:32px;display:flex;flex-direction:column;justify-content:flex-end;}
  .fe-visual svg{position:absolute;inset:0;width:100%;height:100%;opacity:.4;}
  .fe-badge{position:relative;z-index:1;display:inline-flex;align-self:flex-start;background:rgba(255,255,255,.15);backdrop-filter:blur(8px);color:#fff;font-size:12px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:14px;}
  .fe-visual h3{position:relative;z-index:1;color:#fff;font-size:24px;}
  .fe-content{padding:40px;}
  .fe-meta-row{display:flex;flex-wrap:wrap;gap:20px;margin-bottom:20px;}
  .fe-meta{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-muted);}
  .fe-meta svg{width:18px;height:18px;color:var(--royal);}
  .fe-content p{color:var(--text-muted);margin:0 0 24px;}

  /* Agenda accordion */
  .agenda{display:flex;flex-direction:column;gap:12px;margin-bottom:28px;}
  .agenda-day{border:1px solid var(--border);border-radius:12px;overflow:hidden;}
  .agenda-trigger{width:100%;display:flex;justify-content:space-between;align-items:center;background:var(--bg);border:none;padding:14px 18px;font-family:'Poppins',sans-serif;font-weight:600;font-size:14.5px;color:var(--navy);cursor:pointer;}
  .agenda-chevron{transition:transform .3s;}
  .agenda-day.open .agenda-chevron{transform:rotate(180deg);}
  .agenda-panel{max-height:0;overflow:hidden;transition:max-height .3s cubic-bezier(.16,1,.3,1);}
  .agenda-day.open .agenda-panel{max-height:300px;}
  .agenda-body{padding:14px 18px;font-size:13.5px;color:var(--text-muted);display:flex;flex-direction:column;gap:8px;}
  .agenda-body .session{display:flex;gap:12px;}
  .agenda-body .time{flex:none;width:80px;font-weight:600;color:var(--navy);}

  /* Speakers */
  .speaker-row{display:flex;gap:-8px;margin-bottom:20px;}
  .speaker-avatar{width:38px;height:38px;border-radius:50%;border:2px solid #fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;font-family:'Poppins',sans-serif;margin-left:-10px;}
  .speaker-avatar:first-child{margin-left:0;}

  /* Grid + cards */
  .grid-3{display:grid;grid-template-columns:1fr;gap:24px;}
  @media(min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr);}}
  @media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr);}}
  .event-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.25s cubic-bezier(.16,1,.3,1);box-shadow:var(--shadow-sm);}
  .event-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
  .event-thumb{height:150px;position:relative;}
  .event-thumb .tag{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.92);color:var(--navy);font-size:11px;font-weight:600;padding:5px 12px;border-radius:999px;}
  .event-body{padding:22px;}
  .event-body .date{font-size:12.5px;color:var(--text-muted);margin-bottom:6px;}
  .event-body h4{font-size:16px;margin-bottom:8px;}
  .event-body p{color:var(--text-muted);font-size:14px;margin:0 0 14px;}
  .gallery-link{font-size:13.5px;font-weight:600;color:var(--royal);}

  footer{background:var(--navy);color:rgba(255,255,255,.7);padding:56px 0 28px;font-size:14px;text-align:center;}
  footer a:hover{color:#fff;}

  .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s cubic-bezier(.16,1,.3,1), transform .6s cubic-bezier(.16,1,.3,1);}
  .reveal.in{opacity:1;transform:translateY(0);}
  @media (prefers-reduced-motion: reduce){*{transition-duration:.001ms !important;} .reveal{opacity:1;transform:none;} .agenda-panel{transition:none;}}
  :focus-visible{outline:3px solid rgba(29,78,216,.45);outline-offset:2px;}