:root{
  --blue:#0a4f9b;
  --deep:#071a3b;
  --cyan:#00a6b8;
  --red:#e30613;
  --gold:#f7b733;
  --ink:#132033;
  --muted:#627189;
  --light:#f4f8fb;
  --card:#ffffff;
  --border:#dce6f0;
  --shadow:0 20px 55px rgba(7,26,59,.14);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:1rem;top:1rem;background:#fff;padding:.7rem 1rem;z-index:9999;border-radius:.5rem}
.container{width:min(1160px,92vw);margin:auto}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,230,240,.75)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:1rem}.brand{display:flex;align-items:center;gap:.8rem;color:var(--ink)}.brand:hover{text-decoration:none}.brand img{width:68px;height:auto;border-radius:10px}.brand span{display:grid;line-height:1.1}.brand small{color:var(--muted);font-size:.76rem;margin-top:.2rem}.main-nav{display:flex;gap:1.1rem;align-items:center}.main-nav a{font-weight:650;color:#22324a;font-size:.95rem}.nav-toggle{display:none;background:var(--blue);color:#fff;border:0;border-radius:12px;padding:.55rem .75rem;font-size:1.2rem}
.hero{position:relative;overflow:hidden;color:#fff;padding:7rem 0 5rem}.hero-bg{position:absolute;inset:0;background-image:linear-gradient(120deg,rgba(7,26,59,.96),rgba(10,79,155,.85)),url('../img/hero_pattern.svg');background-size:cover;background-position:center}.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:3rem}.eyebrow,.section-kicker{text-transform:uppercase;letter-spacing:.15em;font-weight:800;font-size:.78rem;color:var(--gold);margin:0 0 .8rem}.hero h1{font-size:clamp(2.2rem,5vw,4.8rem);line-height:1.02;margin:.2rem 0 1.2rem;max-width:900px}.hero-lead{font-size:1.32rem;font-weight:750;margin:0 0 1rem}.hero-badge{display:inline-flex;align-items:center;gap:.5rem;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);padding:.6rem 1rem;border-radius:999px;font-weight:800;color:#fff;margin:0 0 1rem;backdrop-filter:blur(4px)}.hero-text{font-size:1.05rem;color:rgba(255,255,255,.88);max-width:670px}.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:1.4rem}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:.86rem 1.25rem;font-weight:800;border:1px solid transparent;transition:.2s ease}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:var(--red);color:#fff;box-shadow:0 12px 30px rgba(227,6,19,.26)}.btn-light{background:#fff;color:var(--blue)}.btn-outline{border-color:var(--blue);color:var(--blue)}.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff}.hero-note{margin-top:1.6rem;border-left:4px solid var(--gold);padding:.9rem 1rem;background:rgba(255,255,255,.11);border-radius:0 14px 14px 0;max-width:740px}.hero-card{background:rgba(255,255,255,.96);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.2rem;color:var(--ink);border:1px solid rgba(255,255,255,.4)}.conference-logo{width:100%;display:block;border-radius:18px;background:#fff}.host-logos{display:flex;align-items:center;gap:1rem;margin-top:1rem;border-top:1px solid var(--border);padding-top:1rem}.host-logos img{width:58px;height:72px;object-fit:contain}.host-logos span{font-size:.92rem;color:var(--muted);line-height:1.4}.notice-strip{background:var(--deep);color:#fff}.notice-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px}.notice-grid>div{padding:1.2rem;background:rgba(255,255,255,.045)}.notice-grid strong{display:block;color:#fff}.notice-grid span{display:block;color:rgba(255,255,255,.76);font-size:.92rem}.section{padding:5.8rem 0}.section-soft{background:var(--light)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}.align-start{align-items:start}.section h2{font-size:clamp(1.9rem,3vw,3rem);line-height:1.1;margin:.15rem 0 1.2rem}.section p{font-size:1.02rem}.image-card,.info-panel,.contact-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.image-card img{display:block;width:100%;height:auto}.image-caption{padding:1rem 1.2rem;color:var(--muted);font-weight:650}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:2rem}.topic-card,.committee-card,.speaker-card,.date-grid article{background:#fff;border:1px solid var(--border);border-radius:20px;padding:1.3rem;box-shadow:0 14px 35px rgba(7,26,59,.07)}.topic-icon{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;display:grid;place-items:center;font-weight:900}.topic-card h3,.committee-card h3,.speaker-card h3{line-height:1.2;margin:1rem 0 .55rem}.topic-card p,.speaker-card p,.muted{color:var(--muted)}.committee-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.committee-card ul{margin:.75rem 0 0;padding-left:1.2rem}.program-details{margin-top:1.3rem;border:1px solid var(--border);border-radius:20px;background:#fff;box-shadow:0 14px 35px rgba(7,26,59,.07);padding:1rem 1.2rem}.program-details summary{cursor:pointer;font-weight:850;font-size:1.1rem}.program-details summary span{color:var(--muted);font-weight:650}.name-list{columns:3;column-gap:2rem;padding-left:1.2rem}.name-list li{break-inside:avoid;margin:.2rem 0}.date-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:2rem}.date-grid article strong{display:block;color:var(--blue);margin-bottom:.5rem}.date-grid article span{font-size:1.15rem;font-weight:800}.steps{padding-left:1.2rem}.steps li{margin:.45rem 0}.info-panel{padding:1.6rem}.info-panel h3{margin:0 0 .5rem;color:var(--blue)}.fee-table{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);max-width:760px}.fee-table div{display:flex;justify-content:space-between;gap:1rem;padding:1rem 1.25rem;border-bottom:1px solid var(--border)}.fee-table div:last-child{border-bottom:0}.fee-table strong{color:var(--blue)}.speaker-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2rem}.avatar{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--red),var(--gold));color:#fff;display:grid;place-items:center;font-weight:900}.speaker-card strong{display:block;color:var(--blue);line-height:1.35}.contact-section{background:linear-gradient(120deg,#071a3b,#0a4f9b);color:#fff}.contact-section .section-kicker{color:var(--gold)}.contact-section a{color:#fff;text-decoration:underline}.contact-card{padding:1.5rem;background:rgba(255,255,255,.11);border-color:rgba(255,255,255,.22);box-shadow:none;color:#fff}.contact-card p{color:rgba(255,255,255,.82)}.site-footer{background:#04132b;color:#fff;padding:2rem 0}.footer-grid{display:flex;justify-content:space-between;gap:1rem;align-items:center}.footer-grid span{display:block;color:rgba(255,255,255,.66)}.site-footer a{color:#fff}.attribution{font-size:.78rem;color:rgba(255,255,255,.56);margin-top:1rem}
@media (max-width:980px){.hero-grid,.two-col{grid-template-columns:1fr}.topic-grid,.committee-grid{grid-template-columns:repeat(2,1fr)}.date-grid,.notice-grid,.speaker-grid{grid-template-columns:repeat(2,1fr)}.name-list{columns:2}.hero{padding:5rem 0 4rem}}
@media (max-width:760px){.header-inner{height:auto;min-height:72px;flex-wrap:wrap}.nav-toggle{display:block}.main-nav{display:none;width:100%;flex-direction:column;align-items:flex-start;padding:0 0 1rem}.main-nav.is-open{display:flex}.brand img{width:58px}.topic-grid,.committee-grid,.date-grid,.notice-grid,.speaker-grid{grid-template-columns:1fr}.name-list{columns:1}.hero h1{font-size:2.15rem}.section{padding:4rem 0}.footer-grid{display:block}.fee-table div{display:block}.fee-table strong{display:block;margin-top:.2rem}}
@media print{.site-header,.hero-actions,.nav-toggle,.site-footer{display:none}.hero{color:#000;padding:1rem 0}.hero-bg{display:none}.hero-grid,.two-col,.topic-grid,.committee-grid,.date-grid,.speaker-grid{display:block}.section{padding:1rem 0}.topic-card,.committee-card,.speaker-card,.date-grid article,.info-panel{box-shadow:none;break-inside:avoid}}