:root{--primary-900: #1D0B57;--primary-800: #240D68;--primary-700: #1A0063;--primary-600: #23007F;--primary-500: #2B009B;--primary-400: #4D3DFF;--primary-300: #7A6BFF;--primary-200: #A79AFF;--primary-100: #D4C8FF;--gold-900: #6B4F2E;--gold-800: #8C693D;--gold-700: #AD824C;--gold-600: #CE9C5B;--gold-500: #EFB56A;--gold-400: #F2C588;--gold-300: #F5D4A6;--gold-200: #F8E4C4;--gold-100: #FBF3E2;--white: #FFFFFF;--gray-50: #F8FAFC;--gray-100: #F1F5F9;--gray-200: #E2E8F0;--gray-300: #CBD5E1;--gray-400: #94A3B8;--gray-500: #64748B;--gray-600: #475569;--gray-700: #334155;--gray-800: #1E293B;--gray-900: #0F172A;--black: #010C3C;--success: #10B981;--success-light: #D1FAE5;--warning: #F59E0B;--warning-light: #FEF3C7;--error: #EF4444;--error-light: #FEE2E2;--info: #3B82F6;--info-light: #DBEAFE;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .05);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, .06);--shadow-gold: 0 10px 30px -5px rgba(239, 181, 106, .3);--shadow-primary: 0 10px 30px -5px rgba(43, 0, 155, .3);--radius-xs: .375rem;--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-xl: 1.25rem;--radius-2xl: 1.5rem;--radius-3xl: 2rem;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--transition-bounce: .5s cubic-bezier(.34, 1.56, .64, 1);--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--space-32: 8rem;--container-width: 1440px;--header-height: 80px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Plus Jakarta Sans,Tajawal,sans-serif;background:linear-gradient(135deg,var(--gray-50) 0%,var(--white) 100%);color:var(--gray-900);line-height:1.6;overflow-x:hidden;min-height:100vh}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--gray-100);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb{background:linear-gradient(135deg,var(--primary-500),var(--primary-400));border-radius:var(--radius-full);border:2px solid var(--gray-100)}::-webkit-scrollbar-thumb:hover{background:linear-gradient(135deg,var(--primary-600),var(--primary-500))}.container{width:100%;max-width:var(--container-width);margin:0 auto;padding:0 var(--space-6)}.navbar{position:fixed;top:0;left:0;right:0;height:var(--header-height);background:#ffffffd9;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(43,0,155,.1);z-index:1000;transition:var(--transition-base)}.navbar.scrolled{background:#fffffff2;box-shadow:var(--shadow-lg);border-bottom-color:transparent}.navbar-container{display:flex;align-items:center;justify-content:space-between;height:100%}.navbar-brand{display:flex;align-items:center;gap:var(--space-3);text-decoration:none;transition:var(--transition-base)}.navbar-brand:hover{transform:translateY(-2px)}.logo{height:50px;width:auto;border-radius:var(--radius-md);box-shadow:var(--shadow-md);transition:var(--transition-base)}.navbar-brand:hover .logo{box-shadow:var(--shadow-gold)}.brand-text{display:flex;flex-direction:column}.brand-name{font-family:Tajawal,sans-serif;font-size:1.5rem;font-weight:900;background:linear-gradient(135deg,var(--primary-600),var(--primary-400));-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1.2}.brand-tagline{font-size:.75rem;color:var(--gray-500);letter-spacing:.5px}.navbar-nav{display:flex;align-items:center;gap:var(--space-2);list-style:none}.nav-item{position:relative}.nav-link{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);color:var(--gray-700);text-decoration:none;font-weight:600;font-size:.95rem;border-radius:var(--radius-full);transition:var(--transition-base);position:relative;overflow:hidden}.nav-link:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;background:#2b009b1a;border-radius:50%;transform:translate(-50%,-50%);transition:width .3s,height .3s}.nav-link:hover:before{width:200px;height:200px}.nav-link:hover,.nav-link.active{color:var(--primary-600)}.nav-link.active{background:#2b009b0d;font-weight:700}.nav-link i{font-size:1.1rem;position:relative;z-index:1}.nav-link span{position:relative;z-index:1}.nav-cta{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);background:linear-gradient(135deg,var(--primary-600),var(--primary-400));color:var(--white);text-decoration:none;font-weight:600;border-radius:var(--radius-full);box-shadow:var(--shadow-primary);transition:var(--transition-bounce);margin-right:var(--space-4)}.nav-cta:hover{transform:translateY(-2px) scale(1.05);box-shadow:var(--shadow-2xl)}.hero{position:relative;min-height:85vh;margin-top:var(--header-height);display:flex;align-items:center;overflow:hidden}.hero-background{position:absolute;top:0;left:0;right:0;bottom:0;z-index:-1}.hero-image{width:100%;height:100%;object-fit:cover;filter:brightness(.7) saturate(1.2);animation:zoomInOut 20s infinite alternate ease-in-out}.hero-image.hero-image-gradient{display:block;object-fit:unset;min-height:100%;background:linear-gradient(135deg,#1f0096bf,#0a011ff2 45%,#af8d6b59);filter:brightness(.85) saturate(1.15)}@keyframes zoomInOut{0%{transform:scale(1)}50%{transform:scale(1.1)}to{transform:scale(1)}}.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#0a002be6,#2b009bcc,#7a6bffb3);z-index:-1;animation:gradientMove 10s infinite alternate}@keyframes gradientMove{0%{opacity:.9}to{opacity:.7}}.hero-content{text-align:center;color:var(--white);padding:var(--space-16) 0;position:relative;z-index:2}.hero-badge{display:inline-flex;align-items:center;gap:var(--space-2);background:#ffffff26;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:var(--space-2) var(--space-4);border-radius:var(--radius-full);margin-bottom:var(--space-6);border:1px solid rgba(255,255,255,.2);animation:fadeInUp .8s ease-out}.hero-badge i{color:var(--gold-500)}.hero-title{font-family:Tajawal,sans-serif;font-size:clamp(2.5rem,8vw,4.5rem);font-weight:900;line-height:1.2;margin-bottom:var(--space-4);text-shadow:0 4px 20px rgba(0,0,0,.3);animation:fadeInUp .8s .1s ease-out both}.hero-title span{color:var(--gold-500);position:relative;display:inline-block}.hero-title span:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--gold-500),transparent);border-radius:var(--radius-full)}.hero-subtitle{font-size:clamp(1rem,4vw,1.25rem);max-width:700px;margin:0 auto var(--space-8);opacity:.9;line-height:1.8;animation:fadeInUp .8s .2s ease-out both}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.stats-section{padding:var(--space-8) 0;background:#ffffff08;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius-3xl);margin-top:var(--space-8);border:1px solid rgba(255,255,255,.1)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-6)}.stat-item{text-align:center;padding:var(--space-4);transition:var(--transition-base)}.stat-item:hover{transform:translateY(-5px)}.stat-number{font-size:2.5rem;font-weight:800;color:var(--gold-500);line-height:1;margin-bottom:var(--space-2);font-family:Plus Jakarta Sans,sans-serif}.stat-label{font-size:1rem;color:var(--white);opacity:.9;font-weight:500}.search-section{margin-top:-80px;margin-bottom:var(--space-16);position:relative;z-index:10}.search-container{background:#fffffffa;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius-2xl);box-shadow:var(--shadow-2xl);padding:var(--space-8);border:1px solid rgba(43,0,155,.1)}.search-tabs{display:flex;gap:var(--space-2);margin-bottom:var(--space-6);border-bottom:1px solid var(--gray-200);padding-bottom:var(--space-4)}.search-tab{padding:var(--space-3) var(--space-6);background:transparent;border:none;border-radius:var(--radius-full);font-weight:600;color:var(--gray-600);cursor:pointer;transition:var(--transition-base);display:flex;align-items:center;gap:var(--space-2)}.search-tab:hover{color:var(--primary-600);background:var(--gray-100)}.search-tab.active{background:linear-gradient(135deg,var(--primary-600),var(--primary-400));color:var(--white)}.search-main{display:flex;gap:var(--space-4);margin-bottom:var(--space-6)}.search-input-wrapper{flex:1;position:relative}.search-input{width:100%;padding:var(--space-5) var(--space-16) var(--space-5) var(--space-6);border:2px solid var(--gray-200);border-radius:var(--radius-full);font-size:1.1rem;transition:var(--transition-base);background:var(--white);height:60px}.search-input:focus{outline:none;border-color:var(--primary-500);box-shadow:0 0 0 4px #2b009b1a}.search-icon{position:absolute;left:var(--space-6);top:50%;transform:translateY(-50%);color:var(--gray-400);font-size:1.2rem;pointer-events:none}.search-btn{padding:var(--space-4) var(--space-8);background:linear-gradient(135deg,var(--primary-600),var(--primary-400));color:var(--white);border:none;border-radius:var(--radius-full);font-weight:700;cursor:pointer;transition:var(--transition-bounce);display:flex;align-items:center;gap:var(--space-2);min-width:140px;justify-content:center}.search-btn:hover{transform:translateY(-2px) scale(1.05);box-shadow:var(--shadow-primary)}.filter-sidebar{position:sticky;top:calc(var(--header-height) + var(--space-6));background:var(--white);border-radius:var(--radius-2xl);box-shadow:var(--shadow-lg);padding:var(--space-6);border:1px solid var(--gray-200);transition:var(--transition-base);height:fit-content}.filter-sidebar:hover{box-shadow:var(--shadow-xl);border-color:var(--primary-200)}.filter-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-6);padding-bottom:var(--space-4);border-bottom:2px solid var(--gray-200)}.filter-title{font-family:Tajawal,sans-serif;font-size:1.25rem;font-weight:800;color:var(--primary-600);display:flex;align-items:center;gap:var(--space-2)}.filter-clear{background:none;border:none;color:var(--gray-500);font-size:.9rem;font-weight:500;cursor:pointer;transition:var(--transition-fast);display:flex;align-items:center;gap:var(--space-1)}.filter-clear:hover{color:var(--error)}.filter-group{margin-bottom:var(--space-6)}.filter-group-title{font-weight:700;color:var(--gray-700);margin-bottom:var(--space-3);display:flex;align-items:center;justify-content:space-between;font-size:1rem}.filter-group-content{display:flex;flex-direction:column;gap:var(--space-2)}.filter-option{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-fast)}.filter-option:hover{background:var(--gray-100)}.filter-checkbox{width:18px;height:18px;border:2px solid var(--gray-300);border-radius:var(--radius-xs);display:inline-flex;align-items:center;justify-content:center;transition:var(--transition-fast)}.filter-option.active .filter-checkbox{background:var(--primary-500);border-color:var(--primary-500)}.filter-option.active .filter-checkbox:after{content:"";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--white);font-size:10px}.filter-label{font-size:.95rem;color:var(--gray-700);flex:1}.filter-count{font-size:.8rem;color:var(--gray-400)}.conferences-section{padding:var(--space-8) 0}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-6);flex-wrap:wrap;gap:var(--space-4)}.section-title{font-family:Tajawal,sans-serif;font-size:1.75rem;font-weight:800;color:var(--gray-900);display:flex;align-items:center;gap:var(--space-2)}.section-title i{color:var(--gold-500);font-size:2rem}.results-info{color:var(--gray-600);font-weight:500}.results-info strong{color:var(--primary-600);font-size:1.1rem}.view-options{display:flex;gap:var(--space-2);background:var(--gray-100);padding:var(--space-1);border-radius:var(--radius-full)}.view-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:var(--radius-full);color:var(--gray-500);cursor:pointer;transition:var(--transition-fast)}.view-btn:hover{color:var(--primary-600);background:#2b009b0d}.view-btn.active{background:var(--white);color:var(--primary-600);box-shadow:var(--shadow-sm)}.conferences-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:var(--space-6);margin-bottom:var(--space-8)}.conferences-grid.list-view{grid-template-columns:1fr}.conference-card{background:var(--white);border-radius:var(--radius-2xl);overflow:hidden;box-shadow:var(--shadow-lg);transition:var(--transition-base);border:1px solid var(--gray-200);position:relative;cursor:pointer}.conference-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-2xl);border-color:var(--primary-300)}.card-badge{position:absolute;top:var(--space-4);right:var(--space-4);z-index:2;padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);font-size:.75rem;font-weight:700;color:var(--white);background:linear-gradient(135deg,var(--primary-600),var(--primary-400));box-shadow:var(--shadow-md);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.card-badge.online{background:linear-gradient(135deg,var(--success),#34D399)}.card-badge.offline{background:linear-gradient(135deg,var(--info),var(--primary-400))}.card-badge.hybrid{background:linear-gradient(135deg,#9b87f5,#6e59a5)}.card-image-wrapper{position:relative;height:200px;overflow:hidden}.card-image{width:100%;height:100%;object-fit:cover;transition:transform .5s}.conference-card:hover .card-image{transform:scale(1.1)}.card-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(to top,rgba(0,0,0,.5),transparent);opacity:0;transition:var(--transition-base)}.conference-card:hover .card-overlay{opacity:1}.card-content{padding:var(--space-5)}.card-title{font-family:Tajawal,sans-serif;font-size:1.25rem;font-weight:800;color:var(--gray-900);margin-bottom:var(--space-2);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-organizer{display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-3);color:var(--gray-600);font-size:.9rem}.card-organizer i{color:var(--primary-500);font-size:.8rem}.card-details{display:flex;gap:var(--space-4);margin-bottom:var(--space-4);padding-bottom:var(--space-4);border-bottom:1px solid var(--gray-200)}.card-detail{display:flex;align-items:center;gap:var(--space-2);font-size:.85rem;color:var(--gray-600)}.card-detail i{color:var(--gold-500);font-size:.9rem}.card-footer{display:flex;justify-content:space-between;align-items:center}.card-price{font-weight:800;font-size:1.25rem;color:var(--primary-600)}.card-price.free{color:var(--success)}.card-actions{display:flex;gap:var(--space-2)}.card-action{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--gray-100);border:none;border-radius:var(--radius-full);color:var(--gray-600);cursor:pointer;transition:var(--transition-fast)}.card-action:hover{background:var(--primary-500);color:var(--white);transform:scale(1.1)}.list-view .conference-card{display:flex;flex-direction:row}.list-view .card-image-wrapper{width:280px;height:auto;min-height:100%}.list-view .card-content{flex:1;display:flex;flex-direction:column}.modal{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:2000;display:none;align-items:center;justify-content:center;padding:var(--space-6);overflow-y:auto}.modal.active{display:flex;animation:modalFadeIn .3s}@keyframes modalFadeIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.modal-content{background:var(--white);border-radius:var(--radius-3xl);max-width:1200px;width:100%;max-height:90vh;overflow-y:auto;position:relative;box-shadow:var(--shadow-2xl)}.modal-close{position:absolute;top:var(--space-4);left:var(--space-4);width:44px;height:44px;background:var(--white);border:none;border-radius:50%;font-size:1.2rem;color:var(--gray-700);cursor:pointer;z-index:10;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);transition:var(--transition-base)}.modal-close:hover{transform:rotate(90deg);background:var(--error);color:var(--white)}.modal-header{position:relative;height:400px;overflow:hidden;border-radius:var(--radius-3xl) var(--radius-3xl) 0 0}.modal-header-image{width:100%;height:100%;object-fit:cover}.modal-header-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(to top,rgba(0,0,0,.8),transparent)}.modal-header-content{position:absolute;bottom:0;left:0;right:0;padding:var(--space-8);color:var(--white)}.modal-title{font-family:Tajawal,sans-serif;font-size:2.25rem;font-weight:900;margin-bottom:var(--space-2);line-height:1.3}.modal-organizer{display:flex;align-items:center;gap:var(--space-2);font-size:1.1rem;opacity:.9}.modal-body{padding:var(--space-8)}.modal-tabs{display:flex;gap:var(--space-2);margin-bottom:var(--space-6);border-bottom:2px solid var(--gray-200);padding-bottom:var(--space-4);flex-wrap:wrap}.modal-tab{padding:var(--space-3) var(--space-6);background:transparent;border:none;border-radius:var(--radius-full);font-weight:600;color:var(--gray-600);cursor:pointer;transition:var(--transition-base);display:flex;align-items:center;gap:var(--space-2)}.modal-tab:hover{color:var(--primary-600);background:var(--gray-100)}.modal-tab.active{background:linear-gradient(135deg,var(--primary-600),var(--primary-400));color:var(--white)}.tab-pane{display:none}.tab-pane.active{display:block;animation:fadeIn .3s}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-4);margin-bottom:var(--space-6)}.info-card{background:var(--gray-50);padding:var(--space-4);border-radius:var(--radius-xl);text-align:center;transition:var(--transition-base)}.info-card:hover{transform:translateY(-4px);background:linear-gradient(135deg,var(--primary-50),var(--white));box-shadow:var(--shadow-md)}.info-icon{width:48px;height:48px;background:linear-gradient(135deg,var(--primary-100),var(--primary-200));border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto var(--space-3);color:var(--primary-600);font-size:1.25rem}.info-label{font-size:.85rem;color:var(--gray-500);margin-bottom:var(--space-1)}.info-value{font-weight:700;color:var(--gray-800)}.description{background:var(--gray-50);padding:var(--space-6);border-radius:var(--radius-xl);margin-bottom:var(--space-6);line-height:1.8;color:var(--gray-700)}.speakers-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--space-4);margin-top:var(--space-4)}.speaker-card{background:var(--gray-50);border-radius:var(--radius-xl);padding:var(--space-4);text-align:center;transition:var(--transition-base)}.speaker-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);background:linear-gradient(135deg,var(--white),var(--primary-50))}.speaker-avatar{width:80px;height:80px;border-radius:50%;margin:0 auto var(--space-3);background:linear-gradient(135deg,var(--primary-500),var(--primary-400));display:flex;align-items:center;justify-content:center;color:var(--white);font-weight:700;font-size:1.5rem;background-size:cover;background-position:center}.speaker-name{font-weight:700;color:var(--gray-800);margin-bottom:var(--space-1)}.speaker-position{font-size:.85rem;color:var(--gray-500)}.schedule{margin-top:var(--space-4)}.schedule-day{margin-bottom:var(--space-6)}.schedule-day-title{font-weight:700;color:var(--primary-600);margin-bottom:var(--space-4);padding-bottom:var(--space-2);border-bottom:2px solid var(--primary-200)}.schedule-item{display:flex;gap:var(--space-4);padding:var(--space-4);background:var(--gray-50);border-radius:var(--radius-lg);margin-bottom:var(--space-2);transition:var(--transition-base)}.schedule-item:hover{background:linear-gradient(135deg,var(--primary-50),var(--white));transform:translate(-4px)}.schedule-time{min-width:100px;font-weight:700;color:var(--gold-600)}.schedule-content{flex:1}.schedule-title{font-weight:700;color:var(--gray-800);margin-bottom:var(--space-1)}.schedule-speaker{font-size:.85rem;color:var(--gray-500)}.links-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--space-4);margin:var(--space-6) 0}.link-card{background:var(--gray-50);border-radius:var(--radius-xl);padding:var(--space-5);text-align:center;transition:var(--transition-base);text-decoration:none;color:var(--gray-800);border:2px solid 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i{color:var(--primary-500);font-size:1.2rem;width:24px}.location-map{height:300px;background:var(--gray-200);border-radius:var(--radius-xl);overflow:hidden}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:var(--space-4)}.gallery-item{position:relative;height:200px;border-radius:var(--radius-lg);overflow:hidden;cursor:pointer}.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .3s}.gallery-item:hover img{transform:scale(1.1)}.gallery-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#0000004d;display:flex;align-items:center;justify-content:center;opacity:0;transition:var(--transition-base)}.gallery-item:hover .gallery-overlay{opacity:1}.gallery-overlay i{color:var(--white);font-size:2rem}.modal-footer{padding:var(--space-6) var(--space-8);border-top:1px solid var(--gray-200);display:flex;gap:var(--space-4);justify-content:flex-end}.btn{padding:var(--space-3) var(--space-6);border-radius:var(--radius-full);font-weight:600;border:none;cursor:pointer;transition:var(--transition-base);display:inline-flex;align-items:center;gap:var(--space-2)}.btn-primary{background:linear-gradient(135deg,var(--primary-600),var(--primary-400));color:var(--white)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-primary)}.btn-outline{background:transparent;border:2px solid var(--primary-500);color:var(--primary-500)}.btn-outline:hover{background:var(--primary-500);color:var(--white)}.toast{position:fixed;bottom:var(--space-6);right:var(--space-6);background:var(--white);border-radius:var(--radius-lg);padding:var(--space-4) var(--space-6);box-shadow:var(--shadow-2xl);display:flex;align-items:center;gap:var(--space-3);z-index:2200;border-right:4px solid 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480px){.hero-title{font-size:1.8rem}.stats-grid{grid-template-columns:1fr;gap:var(--space-1)}.stat-item{padding:var(--space-2)}.stat-number{font-size:1.5rem}.search-tab{padding:var(--space-2) var(--space-3);font-size:.8rem}.conferences-grid{gap:var(--space-4)}.card-title{font-size:1.1rem}.modal-header{height:200px}.modal-header-content{padding:var(--space-4)}.modal-title{font-size:1.2rem}.modal-organizer{font-size:.9rem}.modal-body{padding:var(--space-4)}.info-grid,.speakers-grid,.links-grid,.gallery-grid{grid-template-columns:1fr}.schedule-item{flex-direction:column;gap:var(--space-2)}.schedule-time{min-width:auto}}@media (max-height: 600px) and (orientation: landscape){.modal-content{max-height:85vh}.modal-header{height:150px}.speakers-grid{grid-template-columns:repeat(2,1fr)}}@media (hover: none) and (pointer: 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