:root{--color-primary: #1e4db7;--color-primary-dark: #163991;--color-secondary: #f59e0b;--color-secondary-dark: #d97706;--color-accent: #fbbf24;--color-bg: #f9fafb;--color-white: #ffffff;--color-text: #111827;--color-muted: #6b7280;--color-border: #e5e7eb;--color-card: #ffffff;--color-hero-from: #1e3a8a;--color-hero-to: #1e4db7;--radius: 0.5rem;--shadow-sm: 0 1px 3px rgba(0,0,0,.07);--shadow-md: 0 4px 16px rgba(0,0,0,.09);--max-width: 1100px}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:'Inter', system-ui, sans-serif;font-size:16px;line-height:1.65;color:var(--color-text);background:var(--color-bg)}img{max-width:100%;display:block}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}.section{padding:5rem 0}.section--alt{background:var(--color-white)}.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(30,58,138,0.97);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,0.08)}.nav__inner{display:flex;align-items:center;justify-content:space-between;padding:0.85rem 1.5rem;max-width:var(--max-width);margin:0 auto}.nav__brand{font-weight:700;color:#fff;font-size:1.05rem;letter-spacing:.01em}.nav__brand span{color:var(--color-accent)}.nav__links{display:flex;gap:2rem;list-style:none}.nav__links a{color:rgba(255,255,255,0.8);font-size:0.875rem;font-weight:500;letter-spacing:.03em;text-transform:uppercase;transition:color .2s}.nav__links a:hover{color:var(--color-accent);text-decoration:none}.hero{min-height:100vh;background:var(--color-white);display:flex;align-items:center;position:relative;overflow:hidden;padding-top:4rem;border-bottom:1px solid var(--color-border)}.hero::before,.hero::after{content:'';position:absolute;border-radius:50%;filter:blur(90px);opacity:0.09;pointer-events:none}.hero::before{width:600px;height:600px;background:radial-gradient(circle, #fbbf24 0%, transparent 70%);top:-100px;right:-100px}.hero::after{width:500px;height:500px;background:radial-gradient(circle, #93c5fd 0%, transparent 70%);bottom:-80px;left:10%}.hero__inner{position:relative;z-index:1;display:flex;align-items:center;gap:1.5rem}@media (max-width: 768px){.hero__inner{flex-direction:column-reverse;gap:2rem}}.hero__content{flex:1;color:var(--color-text)}.hero__logo{flex-shrink:0}.hero__logo img{width:clamp(180px, 22vw, 300px);height:clamp(180px, 22vw, 300px);object-fit:contain;filter:drop-shadow(0 4px 16px rgba(0,0,0,0.12))}@media (max-width: 768px){.hero__logo img{width:140px;height:140px}}.hero__eyebrow{display:inline-block;font-size:0.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--color-secondary-dark);margin-bottom:1.25rem;border:1px solid rgba(217,119,6,0.3);padding:.3rem .85rem;border-radius:2rem}.hero__title{font-family:'Playfair Display', Georgia, serif;font-size:clamp(2.5rem, 6vw, 4.5rem);font-weight:700;line-height:1.1;margin-bottom:0.5rem;color:var(--color-primary)}.hero__title em{font-style:italic;color:var(--color-secondary-dark)}.hero__subtitle{font-size:clamp(1rem, 2.5vw, 1.35rem);font-weight:300;color:var(--color-muted);margin-bottom:1rem;max-width:640px}.hero__meta{display:flex;flex-wrap:wrap;gap:1.5rem;margin:2rem 0 2.5rem}.hero__meta .meta-item{display:flex;align-items:center;gap:0.5rem;font-size:0.95rem;color:var(--color-muted)}.hero__meta .meta-item .icon{font-size:1.1rem}.hero__meta .meta-item strong{font-weight:600;color:var(--color-text)}.hero__actions{display:flex;flex-wrap:wrap;gap:1rem;align-items:center}.btn{display:inline-flex;align-items:center;gap:0.4rem;padding:.8rem 1.75rem;border-radius:var(--radius);font-weight:600;font-size:0.95rem;transition:all .2s;cursor:pointer;border:2px solid transparent;line-height:1}.btn--primary{background:var(--color-secondary);color:#fff}.btn--primary:hover{background:var(--color-secondary-dark);text-decoration:none;transform:translateY(-1px);box-shadow:0 6px 20px rgba(245,158,11,0.35)}.btn--outline{background:transparent;border-color:var(--color-primary);color:var(--color-primary)}.btn--outline:hover{border-color:var(--color-secondary-dark);color:var(--color-secondary-dark);background:rgba(217,119,6,0.06);text-decoration:none}.btn--register{background:var(--color-secondary);color:#fff;border-color:var(--color-secondary)}.btn--register:hover{background:var(--color-secondary-dark);border-color:var(--color-secondary-dark);text-decoration:none;transform:translateY(-1px);box-shadow:0 6px 20px rgba(245,158,11,0.35)}.section-header{margin-bottom:3rem;text-align:center}.section-header__eyebrow{font-size:0.75rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--color-secondary);margin-bottom:0.6rem}.section-header__title{font-family:'Playfair Display', Georgia, serif;font-size:clamp(1.75rem, 4vw, 2.5rem);font-weight:700;color:var(--color-primary);line-height:1.2}.section-header__lead{margin-top:0.75rem;color:var(--color-muted);max-width:680px;margin-left:auto;margin-right:auto;font-size:1.05rem}.about__grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}@media (max-width: 768px){.about__grid{grid-template-columns:1fr}}.about__text p{color:var(--color-muted);margin-bottom:1rem;font-size:1.025rem}.about__highlight{background:linear-gradient(135deg, var(--color-hero-from) 0%, var(--color-hero-to) 100%);color:#fff;padding:2rem;border-radius:var(--radius);box-shadow:var(--shadow-md)}.about__highlight h3{font-size:1.1rem;font-weight:600;margin-bottom:1rem;color:var(--color-accent);letter-spacing:.02em}.about__highlight p{font-size:0.95rem;line-height:1.7;color:rgba(255,255,255,0.85);margin-bottom:0}.organizers{margin-top:1.5rem;border-top:1px solid rgba(255,255,255,0.15);padding-top:1.25rem}.organizers span{display:block;font-size:0.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,0.5);margin-bottom:.5rem}.organizers p{font-size:0.9rem;color:rgba(255,255,255,0.85)}.organizer-list{list-style:none;display:flex;flex-direction:column;gap:0.6rem}.organizer-item{display:flex;align-items:center;gap:0.6rem;font-size:0.9rem;color:rgba(255,255,255,0.85)}.organizer-item__photo{width:32px;height:32px;border-radius:50%;object-fit:cover;object-position:top center;border:2px solid rgba(255,255,255,0.3);flex-shrink:0}.reg-banner{background:linear-gradient(135deg, var(--color-secondary) 0%, #d97706 100%);padding:3rem 0;text-align:center}.reg-banner__title{font-family:'Playfair Display', Georgia, serif;font-size:clamp(1.4rem, 3vw, 2rem);font-weight:700;color:var(--color-hero-from);margin-bottom:0.5rem}.reg-banner__sub{color:rgba(30,58,138,0.8);font-size:1.05rem;margin-bottom:0.3rem}.reg-banner__deadline{display:inline-block;background:rgba(30,58,138,0.15);color:var(--color-hero-from);font-size:0.85rem;font-weight:700;letter-spacing:.05em;padding:.3rem .85rem;border-radius:2rem;margin-bottom:1.75rem}.reg-banner__note{margin-top:1rem;font-size:0.85rem;color:rgba(30,58,138,0.65)}.reg-banner .btn--primary{background:var(--color-primary);color:#fff}.reg-banner .btn--primary:hover{background:var(--color-primary-dark);box-shadow:0 6px 20px rgba(30,77,183,0.35)}.speakers-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(220px, 1fr));gap:1.25rem}.speaker-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.5rem 1.25rem;box-shadow:var(--shadow-sm);border-top:3px solid var(--color-secondary);transition:box-shadow .2s, transform .2s;display:flex;flex-direction:column;align-items:center;text-align:center;color:inherit;text-decoration:none}.speaker-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);text-decoration:none}.speaker-card--keynote{border-top-color:var(--color-primary);background:linear-gradient(180deg, #eff6ff 0%, #fff 100%)}.speaker-card__photo{width:88px;height:88px;border-radius:50%;object-fit:cover;object-position:top center;margin-bottom:0.75rem;border:2px solid var(--color-border);flex-shrink:0}.speaker-card--keynote .speaker-card__photo{border-color:var(--color-primary)}.speaker-card__name{font-weight:700;font-size:0.975rem;color:var(--color-primary);margin-bottom:0.2rem}.speaker-card__affil{font-size:0.825rem;color:var(--color-muted);line-height:1.4}.speaker-card__badge{display:inline-block;font-size:0.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:var(--color-primary);color:#fff;padding:.15rem .5rem;border-radius:2rem;margin-bottom:.5rem}.schedule-tabs{display:flex;gap:0;border-bottom:2px solid var(--color-border);margin-bottom:2.5rem}.tab-btn{padding:.75rem 1.75rem;font-weight:600;font-size:0.9rem;background:none;border:none;cursor:pointer;color:var(--color-muted);border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s}.tab-btn:hover{color:var(--color-primary)}.tab-btn.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.tab-panel{display:none}.tab-panel.active{display:block}.schedule-venue{display:inline-flex;align-items:center;gap:.4rem;font-size:0.85rem;font-weight:600;color:var(--color-muted);margin-bottom:1.5rem;background:var(--color-bg);padding:.35rem .85rem;border-radius:2rem;border:1px solid var(--color-border)}.schedule-list{list-style:none;display:flex;flex-direction:column;gap:0}.schedule-item{display:grid;grid-template-columns:110px 1fr;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--color-border);align-items:start}.schedule-item:last-child{border-bottom:none}.schedule-item__time{font-size:0.825rem;font-weight:700;color:var(--color-primary);padding-top:.1rem;white-space:nowrap}.schedule-item__event{font-size:0.975rem;color:var(--color-text);font-weight:500}.schedule-item__event .note{display:block;font-size:0.825rem;color:var(--color-muted);font-weight:400;margin-top:.15rem}.parallel-events{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:.5rem}@media (max-width: 600px){.parallel-events{grid-template-columns:1fr}}.parallel-event{background:#fff;padding:.75rem 1rem;border-radius:var(--radius);border-left:3px solid;font-size:0.875rem;font-weight:500}.parallel-event:first-child{border-color:var(--color-secondary)}.parallel-event:last-child{border-color:var(--color-primary)}.logistics-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));gap:1.5rem}.logistics-card{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-sm)}.logistics-card h3{font-size:1rem;font-weight:700;color:var(--color-primary);margin-bottom:.75rem;display:flex;align-items:center;gap:.5rem}.logistics-card p,.logistics-card li{font-size:0.9rem;color:var(--color-muted);line-height:1.65}.logistics-card ul{padding-left:1.2rem}.logistics-card ul li{margin-bottom:.35rem}.logistics-card a{color:var(--color-primary);font-weight:500}.logistics-card a:hover{color:var(--color-secondary-dark)}.logistics-card__price{margin-top:.75rem;font-size:0.875rem;background:var(--color-bg);padding:.6rem .85rem;border-radius:var(--radius);border:1px solid var(--color-border)}.logistics-card__price strong{color:var(--color-text);font-weight:700}.footer{background:var(--color-hero-from);color:rgba(255,255,255,0.6);padding:2.5rem 0;text-align:center;font-size:0.875rem}.footer__title{font-family:'Playfair Display', Georgia, serif;font-weight:700;font-size:1.15rem;color:#fff;margin-bottom:.4rem}.footer__thanks{margin-top:1rem;font-size:0.8rem;color:rgba(255,255,255,0.4)}@media (max-width: 700px){.nav__links{gap:1rem;flex-wrap:wrap;font-size:0.75rem}.hero__meta{gap:1rem}}@media (max-width: 480px){.nav__links{display:none}}