/* ============================================
   TEDxUAP 2026 — Global Styles
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600&display=swap');

*{margin:0;padding:0;box-sizing:border-box}
:root{
  --red:#FF0000;--darkred:#890000;
  --bg1:#05070D;--bg2:#040F1E;
  --text:rgba(255,255,255,.65);--text-dim:rgba(255,255,255,.4);--text-faint:rgba(255,255,255,.25);
  --border:rgba(255,255,255,.07);--border-hover:rgba(255,0,0,.2);
  --card:rgba(255,255,255,.03);--card-hover:rgba(255,255,255,.05);
  --radius:16px;--radius-lg:24px;--radius-sm:10px;
  --transition:all .3s ease;
}
html{scroll-behavior:smooth}
body{background:var(--bg1);color:#fff;font-family:'Poppins',sans-serif;overflow-x:hidden;line-height:1.6}
::selection{background:var(--darkred);color:#fff}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:var(--bg1)}
::-webkit-scrollbar-thumb{background:var(--darkred);border-radius:2px}
img{max-width:100%;display:block}
a{color:inherit}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--bg1)}
::-webkit-scrollbar-thumb{background:var(--darkred);border-radius:3px}

/* ===== NAVBAR ===== */
.site-nav{position:fixed;top:0;width:100%;z-index:100;transition:var(--transition);padding:18px 0}
.site-nav.scrolled{background:rgba(5,7,13,.92);backdrop-filter:blur(24px);padding:10px 0;border-bottom:1px solid rgba(137,0,0,.12)}
.nav-inner{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{text-decoration:none;line-height:1;display:flex;flex-direction:column}
.nav-logo-ted{color:#fff;font-weight:900;font-size:1.35rem;letter-spacing:-.5px}
.nav-logo-x{color:var(--red);font-weight:900;font-size:1.35rem}
.nav-logo-sub{color:rgba(255,255,255,.5);font-size:.68rem;font-weight:500;letter-spacing:.03em}
.nav-links{display:none;align-items:center;gap:28px}
@media(min-width:768px){.nav-links{display:flex}}
.nav-link{position:relative;color:rgba(255,255,255,.65);font-size:.85rem;font-weight:500;text-decoration:none;transition:color .3s;letter-spacing:.02em}
.nav-link::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1.5px;background:var(--red);transition:width .3s}
.nav-link:hover{color:#fff}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link.active{color:#fff}
.nav-cta{background:linear-gradient(135deg,var(--darkred),var(--red));color:#fff;font-size:.78rem;font-weight:600;padding:8px 20px;border-radius:50px;text-decoration:none;transition:var(--transition);box-shadow:0 0 20px rgba(255,0,0,.2);display:none}
@media(min-width:768px){.nav-cta{display:inline-flex}}
.nav-cta:hover{box-shadow:0 0 35px rgba(255,0,0,.45);transform:translateY(-1px)}
.nav-hamburger{display:flex;flex-direction:column;gap:5px;padding:8px;background:none;border:none;cursor:pointer}
@media(min-width:768px){.nav-hamburger{display:none}}
.nav-hamburger span{width:22px;height:2px;background:rgba(255,255,255,.7);border-radius:1px;transition:var(--transition)}

/* ===== MOBILE MENU ===== */
.mobile-menu{position:fixed;inset:0;background:rgba(5,7,13,.98);backdrop-filter:blur(30px);z-index:200;transform:translateX(100%);transition:transform .4s cubic-bezier(.25,.46,.45,.94);display:flex;flex-direction:column;padding:100px 32px 32px}
.mobile-menu.open{transform:translateX(0)}
.mobile-menu-close{position:absolute;top:20px;right:24px;background:none;border:none;color:rgba(255,255,255,.5);font-size:2rem;cursor:pointer;transition:color .2s;line-height:1}
.mobile-menu-close:hover{color:#fff}
.mobile-nav-link{font-size:1.6rem;font-weight:700;color:rgba(255,255,255,.5);text-decoration:none;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.05);transition:color .2s}
.mobile-nav-link:hover{color:#fff}
.mobile-menu-cta{margin-top:32px}

/* ===== HERO ===== */
.hero{min-height:100vh;position:relative;display:flex;align-items:center;overflow:hidden;padding:100px 0 60px}
@media(min-width:768px){.hero{padding:0}}
.hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 50% 0%,rgba(137,0,0,.18),transparent 70%),radial-gradient(ellipse 40% 40% at 20% 80%,rgba(137,0,0,.08),transparent 60%),linear-gradient(180deg,var(--bg1),var(--bg2))}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(137,0,0,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(137,0,0,.04) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse at 50% 50%,black 30%,transparent 80%)}
.hero-orb{position:absolute;border-radius:50%;filter:blur(80px);pointer-events:none}
.orb-1{width:500px;height:500px;background:radial-gradient(circle,rgba(137,0,0,.25),transparent 70%);top:-100px;left:-100px;animation:orbFloat 8s ease-in-out infinite}
.orb-2{width:400px;height:400px;background:radial-gradient(circle,rgba(255,0,0,.1),transparent 70%);bottom:-80px;right:-80px;animation:orbFloat 10s ease-in-out infinite reverse}
@keyframes orbFloat{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,-40px)}}
.hero-inner{max-width:1280px;margin:0 auto;padding:0 24px;width:100%;position:relative;z-index:1}
.hero-grid-2col{display:grid;gap:48px;align-items:center}
@media(min-width:1024px){.hero-grid-2col{grid-template-columns:1fr 1fr;gap:64px}}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(137,0,0,.15);border:1px solid rgba(255,0,0,.2);border-radius:50px;padding:6px 16px;font-size:.72rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.7);margin-bottom:24px}
.hero-badge-dot{width:6px;height:6px;background:var(--red);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.7)}}
.hero-title{font-size:clamp(2.2rem,6vw,5rem);font-weight:900;line-height:1.05;letter-spacing:-.03em;margin-bottom:20px}
.hero-tagline{font-size:clamp(.95rem,2vw,1.2rem);color:rgba(255,255,255,.5);font-weight:300;max-width:480px;line-height:1.7;margin-bottom:36px}
.hero-stats{display:flex;gap:32px;margin-top:48px;padding-top:32px;border-top:1px solid rgba(255,255,255,.07);flex-wrap:wrap}
.stat-num{font-size:1.8rem;font-weight:800;color:#fff;line-height:1}
.stat-label{font-size:.7rem;color:rgba(255,255,255,.4);font-weight:400;letter-spacing:.08em;text-transform:uppercase;margin-top:4px}
.hero-card{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.07);border-radius:20px;padding:28px;backdrop-filter:blur(20px);position:relative}
.hero-card-glow{position:absolute;inset:-1px;border-radius:21px;background:linear-gradient(135deg,rgba(137,0,0,.3),transparent,rgba(255,0,0,.1));z-index:-1}
.floating-tag{position:absolute;background:rgba(5,7,13,.9);border:1px solid rgba(255,0,0,.25);border-radius:12px;padding:10px 16px;backdrop-filter:blur(20px);font-size:.78rem;font-weight:600;white-space:nowrap}
@media(max-width:768px){.floating-tag{display:none}}
.ft-1{top:-20px;right:-10px;animation:float1 4s ease-in-out infinite}
.ft-2{bottom:-20px;left:-10px;animation:float2 5s ease-in-out infinite}
@keyframes float1{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes float2{0%,100%{transform:translateY(0)}50%{transform:translateY(10px)}}

/* ===== BUTTONS ===== */
.btn-primary{display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg,var(--darkred),var(--red));color:#fff;font-weight:600;font-size:.88rem;padding:14px 30px;border-radius:50px;text-decoration:none;transition:var(--transition);box-shadow:0 0 40px rgba(255,0,0,.25);border:none;cursor:pointer;font-family:'Poppins',sans-serif;letter-spacing:.01em}
.btn-primary:hover{box-shadow:0 0 60px rgba(255,0,0,.5);transform:translateY(-2px)}
.btn-outline{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.7);font-weight:500;font-size:.88rem;padding:14px 30px;border-radius:50px;text-decoration:none;transition:var(--transition);backdrop-filter:blur(10px)}
.btn-outline:hover{border-color:rgba(255,0,0,.4);color:#fff;background:rgba(255,0,0,.05)}
.btn-sm{display:inline-flex;align-items:center;gap:6px;font-size:.76rem;font-weight:600;color:var(--red);border:1px solid rgba(255,0,0,.3);border-radius:50px;padding:7px 16px;text-decoration:none;transition:var(--transition)}
.btn-sm:hover{background:rgba(255,0,0,.1);border-color:var(--red)}
.btn-back{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.5);font-size:.82rem;font-weight:500;text-decoration:none;border:1px solid rgba(255,255,255,.1);border-radius:50px;padding:8px 18px;transition:var(--transition)}
.btn-back:hover{color:#fff;border-color:rgba(255,255,255,.3)}

/* ===== SECTIONS ===== */
.section{padding:80px 0}
@media(min-width:768px){.section{padding:100px 0}}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.section-tag{display:inline-block;font-size:.68rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--red);margin-bottom:12px}
.divider{width:60px;height:3px;background:linear-gradient(90deg,var(--darkred),var(--red));border-radius:2px;margin:14px 0}
.section-title{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;line-height:1.15;letter-spacing:-.02em}
.section-sub{color:var(--text-dim);font-weight:300;font-size:.95rem;line-height:1.7;max-width:480px;margin-top:12px}

/* ===== PAGE HERO ===== */
.page-hero{padding:140px 0 80px;position:relative;overflow:hidden}
@media(min-width:768px){.page-hero{padding:160px 0 100px}}
.page-hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse 60% 50% at 50% 0%,rgba(137,0,0,.15),transparent 70%),linear-gradient(180deg,var(--bg2),var(--bg1))}
.page-hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(137,0,0,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(137,0,0,.04) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse at 50% 30%,black 20%,transparent 70%)}

/* ===== CARDS ===== */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition);position:relative}
.card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(137,0,0,.08),transparent);opacity:0;transition:opacity .4s;pointer-events:none}
.card:hover{border-color:var(--border-hover);transform:translateY(-6px);box-shadow:0 20px 60px rgba(0,0,0,.5),0 0 40px rgba(137,0,0,.1)}
.card:hover::before{opacity:1}
.card-img{width:100%;aspect-ratio:3/4;overflow:hidden;position:relative}
.card-img img{width:100%;height:100%;object-fit:cover;object-position:top;display:block;transition:transform .6s}
.card:hover .card-img img{transform:scale(1.05)}
.card-img-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(137,0,0,.12),transparent 60%)}
.card-body{padding:22px;position:relative;z-index:1}
.card-name{font-size:1.02rem;font-weight:700;margin-bottom:3px}
.card-title{font-size:.78rem;color:rgba(255,255,255,.42);margin-bottom:8px}
.card-topic{font-size:.76rem;color:rgba(255,0,0,.65);font-weight:500;line-height:1.4;margin-bottom:14px;font-style:italic}

/* ===== CONTACT CARDS ===== */
.contact-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:28px;transition:var(--transition);position:relative;overflow:hidden}
.contact-card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(137,0,0,.06),transparent);opacity:0;transition:opacity .3s;pointer-events:none}
.contact-card:hover{border-color:var(--border-hover);transform:translateY(-4px);box-shadow:0 16px 50px rgba(0,0,0,.4)}
.contact-card:hover::before{opacity:1}
.contact-icon{width:48px;height:48px;border-radius:14px;background:rgba(137,0,0,.15);border:1px solid rgba(255,0,0,.15);display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0;margin-bottom:14px;transition:var(--transition)}
.contact-card:hover .contact-icon{background:rgba(137,0,0,.3);box-shadow:0 0 25px rgba(255,0,0,.2)}
.contact-label{font-size:.62rem;letter-spacing:.15em;text-transform:uppercase;color:rgba(255,255,255,.3);margin-bottom:5px;font-weight:500}
.contact-value{font-size:1rem;font-weight:700;margin-bottom:3px}
.contact-sub{font-size:.8rem;color:var(--text-dim);line-height:1.5}

/* ===== FORMS ===== */
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:.74rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.42);margin-bottom:7px}
.form-input{width:100%;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:13px 16px;color:#fff;font-family:'Poppins',sans-serif;font-size:.88rem;transition:var(--transition);outline:none}
.form-input::placeholder{color:rgba(255,255,255,.18)}
.form-input:focus{border-color:var(--red);background:rgba(137,0,0,.06);box-shadow:0 0 0 3px rgba(255,0,0,.08)}
textarea.form-input{resize:vertical;min-height:130px}
select.form-input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='rgba(255,255,255,0.4)' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}

/* ===== TOAST ===== */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(100px);background:rgba(137,0,0,.95);border:1px solid rgba(255,0,0,.4);color:#fff;padding:14px 28px;border-radius:14px;font-size:.88rem;font-weight:500;z-index:300;transition:transform .4s cubic-bezier(.25,.46,.45,.94);backdrop-filter:blur(20px);box-shadow:0 10px 40px rgba(0,0,0,.5);white-space:nowrap;max-width:90vw;text-overflow:ellipsis;overflow:hidden}
.toast.show{transform:translateX(-50%) translateY(0)}
.toast.error{background:rgba(220,38,38,.95);border-color:rgba(239,68,68,.4)}
.toast.success{background:rgba(22,163,74,.95);border-color:rgba(34,197,94,.4)}

/* ===== REVEAL ANIMATIONS ===== */
.reveal{opacity:0;transform:translateY(30px);transition:all .7s cubic-bezier(.25,.46,.45,.94)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-left{opacity:0;transform:translateX(-30px);transition:all .7s cubic-bezier(.25,.46,.45,.94)}
.reveal-left.visible{opacity:1;transform:translateX(0)}
.reveal-right{opacity:0;transform:translateX(30px);transition:all .7s cubic-bezier(.25,.46,.45,.94)}
.reveal-right.visible{opacity:1;transform:translateX(0)}

/* ===== FOOTER ===== */
.site-footer{background:var(--bg2);border-top:1px solid rgba(255,255,255,.06)}
.footer-main{padding:60px 0 40px}
.footer-grid{display:grid;gap:40px}
@media(min-width:768px){.footer-grid{grid-template-columns:2fr 1fr 1fr}}
.footer-logo-ted{color:#fff;font-weight:900;font-size:1.4rem}
.footer-logo-x{color:var(--red);font-weight:900;font-size:1.4rem}
.footer-logo-sub{font-size:.68rem;letter-spacing:.15em;color:var(--text-faint);text-transform:uppercase;margin-top:4px;margin-bottom:16px}
.footer-desc{font-size:.84rem;color:var(--text-dim);line-height:1.7;max-width:300px;margin-bottom:20px}
.footer-heading{font-size:.68rem;letter-spacing:.15em;text-transform:uppercase;color:var(--text-faint);margin-bottom:16px}
.footer-link{display:block;color:var(--text-dim);font-size:.84rem;text-decoration:none;padding:5px 0;transition:color .2s}
.footer-link:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding:20px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-copy{font-size:.76rem;color:rgba(255,255,255,.2)}
.social-btn{width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.1);display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.4);font-size:.75rem;text-decoration:none;transition:var(--transition);font-weight:700;margin-right:8px}
.social-btn:hover{border-color:rgba(255,0,0,.4);color:var(--red);background:rgba(255,0,0,.08)}

/* ===== SPONSOR LOGOS ===== */
.sponsor-logo{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);border-radius:14px;padding:24px 32px;display:flex;align-items:center;justify-content:center;transition:var(--transition);filter:grayscale(1);opacity:.4;min-height:80px}
.sponsor-logo:hover{filter:grayscale(0);opacity:1;border-color:rgba(255,0,0,.2);background:rgba(255,0,0,.04)}
.sponsor-logo img{max-height:48px;object-fit:contain}
.sponsor-logo-text{font-size:1rem;font-weight:800;letter-spacing:.05em;color:#fff}

/* ===== TIMELINE ===== */
.timeline{position:relative;padding-left:36px}
.timeline::before{content:'';position:absolute;left:10px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--darkred),rgba(137,0,0,.15))}
.timeline-item{position:relative;margin-bottom:28px;padding-bottom:4px}
.timeline-item:last-child{margin-bottom:0}
.timeline-dot{position:absolute;left:-36px;top:6px;width:20px;height:20px;border-radius:50%;border:2px solid var(--darkred);background:var(--bg1);display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.timeline-item:hover .timeline-dot{background:var(--darkred);box-shadow:0 0 20px rgba(255,0,0,.4)}
.timeline-dot.session{background:rgba(137,0,0,.3);border-color:var(--red)}
.timeline-dot.session::after{content:'';width:7px;height:7px;background:var(--red);border-radius:50%}
.timeline-dot.break::after{content:'';width:5px;height:5px;background:var(--darkred);border-radius:50%}
.timeline-dot.logistics::after,.timeline-dot.ceremony::after{content:'';width:5px;height:5px;background:rgba(255,255,255,.3);border-radius:50%}
.timeline-time{font-size:.7rem;font-weight:700;color:var(--red);letter-spacing:.08em;margin-bottom:3px;font-family:'Inter',sans-serif}
.timeline-title{font-size:.92rem;font-weight:700;margin-bottom:3px}
.timeline-desc{font-size:.8rem;color:var(--text-dim);line-height:1.5}

/* ===== FAQ ===== */
.faq-item{border-bottom:1px solid rgba(255,255,255,.07)}
.faq-question{width:100%;text-align:left;background:none;border:none;color:#fff;font-family:'Poppins',sans-serif;font-size:.92rem;font-weight:600;padding:18px 0;display:flex;justify-content:space-between;align-items:center;cursor:pointer;gap:12px;transition:color .3s}
.faq-question:hover{color:var(--red)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(.25,.46,.45,.94)}
.faq-answer.open{max-height:200px}
.faq-answer p{color:var(--text-dim);font-size:.85rem;line-height:1.7;padding-bottom:18px}
.faq-icon{width:24px;height:24px;border-radius:50%;border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:var(--transition);font-size:.7rem}
.faq-question.open .faq-icon{background:rgba(255,0,0,.15);border-color:rgba(255,0,0,.3);color:var(--red);transform:rotate(45deg)}

/* ===== FILTER BUTTONS ===== */
.filter-btn{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:50px;padding:8px 20px;font-size:.78rem;font-weight:500;color:rgba(255,255,255,.5);cursor:pointer;transition:var(--transition);font-family:'Poppins',sans-serif}
.filter-btn:hover,.filter-btn.active{background:rgba(137,0,0,.2);border-color:rgba(255,0,0,.3);color:#fff}

/* ===== DETAIL PAGE ===== */
.avatar-ring{width:180px;height:180px;border-radius:50%;background:linear-gradient(135deg,var(--darkred),var(--red));padding:3px;box-shadow:0 0 60px rgba(255,0,0,.3)}
.avatar-inner{width:100%;height:100%;border-radius:50%;overflow:hidden}
.avatar-inner img{width:100%;height:100%;object-fit:cover;display:block}
.detail-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:28px;transition:var(--transition)}
.detail-card:hover{border-color:rgba(255,0,0,.12)}
.social-btn-lg{width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.4);font-size:.88rem;text-decoration:none;transition:var(--transition);font-weight:700}
.social-btn-lg:hover{border-color:rgba(255,0,0,.4);color:var(--red);background:rgba(255,0,0,.08)}
.tag{display:inline-block;background:rgba(137,0,0,.15);border:1px solid rgba(255,0,0,.2);color:rgba(255,0,0,.8);font-size:.68rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:4px 12px;border-radius:50px}

/* ===== VENUE MAP ===== */
.venue-map{height:240px;background:linear-gradient(135deg,#0d1a2e,#1a0508);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;border-radius:20px;border:1px solid rgba(255,255,255,.07)}
.venue-map::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 50%,rgba(137,0,0,.15),transparent 70%)}

/* ===== INFO CARDS (Event Page) ===== */
.info-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px;display:flex;align-items:flex-start;gap:14px;transition:var(--transition)}
.info-card:hover{border-color:var(--border-hover);background:var(--card-hover);transform:translateY(-3px)}
.info-label{font-size:.62rem;color:var(--text-faint);font-weight:500;letter-spacing:.1em;text-transform:uppercase;margin-bottom:4px}
.info-value{font-size:.92rem;font-weight:700}
.info-sub{font-size:.76rem;color:var(--text-dim);margin-top:2px}

/* ===== TICKET CTA ===== */
.ticket-cta{background:linear-gradient(135deg,rgba(137,0,0,.15),rgba(4,15,30,.8));border:1px solid rgba(137,0,0,.25);border-radius:28px;padding:60px 40px;text-align:center;position:relative;overflow:hidden}
@media(min-width:768px){.ticket-cta{padding:72px 48px}}
.ticket-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:600px;height:300px;background:radial-gradient(ellipse,rgba(137,0,0,.2),transparent 70%);pointer-events:none}

/* ===== EVENT PREVIEW ===== */
.event-preview{background:linear-gradient(135deg,rgba(137,0,0,.08),rgba(4,15,30,.5));border:1px solid rgba(137,0,0,.15);border-radius:28px;padding:40px 32px;position:relative;overflow:hidden}
@media(min-width:768px){.event-preview{padding:60px}}

/* ===== ABOUT FEATURES ===== */
.about-feature{display:flex;align-items:flex-start;gap:14px;padding:18px;border-radius:14px;transition:background .3s}
.about-feature:hover{background:rgba(255,255,255,.03)}
.about-icon{width:40px;height:40px;border-radius:var(--radius-sm);background:rgba(137,0,0,.2);border:1px solid rgba(255,0,0,.15);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.1rem}
.about-pill{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:7px 14px;font-size:.76rem;color:rgba(255,255,255,.5);margin-bottom:6px}

/* ===== ORG CARD ===== */
.org-card{background:var(--card);border:1px solid var(--border);border-radius:20px;overflow:hidden;transition:var(--transition);position:relative;display:flex;flex-direction:column}
.org-card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(137,0,0,.06),transparent);opacity:0;transition:opacity .4s;z-index:0;pointer-events:none}
.org-card:hover{border-color:var(--border-hover);transform:translateY(-6px);box-shadow:0 20px 60px rgba(0,0,0,.5),0 0 30px rgba(137,0,0,.08)}
.org-card:hover::before{opacity:1}
.org-card-img{height:200px;overflow:hidden;position:relative}
.org-card-img img{width:100%;height:100%;object-fit:cover;object-position:top;display:block;transition:transform .6s}
.org-card:hover .org-card-img img{transform:scale(1.05)}
.org-card-body{padding:22px;flex:1;position:relative;z-index:1}

/* ===== VOL CARD ===== */
.vol-card{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:16px;overflow:hidden;transition:var(--transition);text-align:center}
.vol-card:hover{border-color:var(--border-hover);transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.4)}
.vol-card img{width:100%;height:160px;object-fit:cover;object-position:top;display:block}

/* ===== SPEAKER MINI ===== */
.speaker-mini{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;display:flex;align-items:center;gap:14px;transition:var(--transition);text-decoration:none;color:inherit}
.speaker-mini:hover{border-color:var(--border-hover);transform:translateX(4px)}
.speaker-mini img{width:52px;height:52px;border-radius:50%;object-fit:cover;flex-shrink:0}

/* ===== SPINNER ===== */
.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== ADMIN STYLES ===== */
.admin-sidebar{position:fixed;left:0;top:0;bottom:0;width:260px;background:rgba(5,7,13,.98);border-right:1px solid rgba(255,255,255,.06);padding:24px 0;z-index:50;transition:transform .3s;overflow-y:auto}
.admin-sidebar-logo{padding:0 24px;margin-bottom:36px;display:flex;align-items:center;gap:10px}
.admin-sidebar-badge{background:rgba(137,0,0,.2);border:1px solid rgba(255,0,0,.3);color:var(--red);font-size:.58rem;font-weight:600;padding:2px 8px;border-radius:50px;letter-spacing:.1em;text-transform:uppercase}
.admin-nav-section{padding:0 16px;margin-bottom:20px}
.admin-nav-title{font-size:.62rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--text-faint);padding:0 8px;margin-bottom:10px}
.admin-nav-item{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:10px;color:rgba(255,255,255,.5);font-size:.85rem;font-weight:500;text-decoration:none;transition:var(--transition);margin-bottom:3px;position:relative}
.admin-nav-item:hover{color:#fff;background:rgba(255,255,255,.05)}
.admin-nav-item.active{color:#fff;background:rgba(137,0,0,.2);border:1px solid rgba(255,0,0,.15)}
.admin-nav-icon{width:20px;text-align:center;font-size:.95rem}
.admin-nav-badge{position:absolute;right:12px;background:var(--red);color:#fff;font-size:.62rem;font-weight:700;padding:2px 8px;border-radius:50px;min-width:20px;text-align:center}
.admin-main{margin-left:260px;min-height:100vh}
.admin-topbar{position:sticky;top:0;background:rgba(5,7,13,.9);backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.06);padding:14px 28px;display:flex;justify-content:space-between;align-items:center;z-index:40}
.admin-topbar-title{font-size:1.15rem;font-weight:700}
.admin-topbar-actions{display:flex;align-items:center;gap:12px}
.admin-user-menu{display:flex;align-items:center;gap:10px;cursor:pointer;padding:6px 12px;border-radius:10px;transition:background .2s}
.admin-user-menu:hover{background:rgba(255,255,255,.05)}
.admin-user-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--darkred),var(--red));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.82rem}
.admin-user-name{font-size:.82rem;font-weight:600}
.admin-user-role{font-size:.65rem;color:var(--text-faint)}
.admin-content{padding:28px}
@media(min-width:768px){.admin-content{padding:32px}}
.admin-btn-primary{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--darkred),var(--red));color:#fff;font-weight:600;font-size:.8rem;padding:9px 18px;border-radius:10px;border:none;cursor:pointer;transition:var(--transition);font-family:'Poppins',sans-serif;box-shadow:0 0 20px rgba(255,0,0,.2)}
.admin-btn-primary:hover{box-shadow:0 0 35px rgba(255,0,0,.4);transform:translateY(-1px)}
.admin-btn-secondary{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.7);font-weight:500;font-size:.76rem;padding:7px 14px;border-radius:8px;cursor:pointer;transition:var(--transition);font-family:'Poppins',sans-serif}
.admin-btn-secondary:hover{background:rgba(255,255,255,.1);color:#fff}
.admin-btn-secondary.danger:hover{background:rgba(220,38,38,.15);border-color:rgba(239,68,68,.3);color:#fca5a5}
.admin-btn-signout{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.6);padding:7px 14px;border-radius:10px;font-size:.78rem;font-weight:500;cursor:pointer;transition:var(--transition);font-family:'Poppins',sans-serif}
.admin-btn-signout:hover{background:rgba(220,38,38,.15);border-color:rgba(239,68,68,.3);color:#fca5a5}
.admin-stat-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px;transition:var(--transition)}
.admin-stat-card:hover{border-color:var(--border-hover);transform:translateY(-2px)}
.admin-stat-icon{width:44px;height:44px;border-radius:12px;background:rgba(137,0,0,.15);border:1px solid rgba(255,0,0,.15);display:flex;align-items:center;justify-content:center;font-size:1.2rem;margin-bottom:14px}
.admin-stat-value{font-size:1.8rem;font-weight:800;color:var(--red)}
.admin-stat-label{font-size:.72rem;color:var(--text-faint);text-transform:uppercase;letter-spacing:.08em;margin-top:4px}
.admin-table-wrap{background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.07);border-radius:16px;overflow:hidden}
.admin-table{width:100%;border-collapse:separate;border-spacing:0}
.admin-table thead th{padding:11px 14px;text-align:left;font-size:.68rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text-faint);border-bottom:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.02)}
.admin-table tbody tr{transition:background .2s}
.admin-table tbody tr:hover{background:rgba(255,255,255,.03)}
.admin-table tbody td{padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.05);font-size:.85rem}
.admin-avatar{width:38px;height:38px;border-radius:50%;object-fit:cover;object-position:top}
.admin-status{display:inline-flex;align-items:center;gap:5px;font-size:.7rem;font-weight:600;padding:3px 10px;border-radius:50px}
.admin-status.active{background:rgba(34,197,94,.15);color:#4ade80;border:1px solid rgba(34,197,94,.3)}
.admin-status.inactive{background:rgba(255,255,255,.05);color:var(--text-dim);border:1px solid rgba(255,255,255,.1)}
.admin-status-dot{width:5px;height:5px;border-radius:50%;background:currentColor}
.admin-actions{display:flex;gap:6px;flex-wrap:wrap}
.admin-modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:100;align-items:center;justify-content:center;padding:20px}
.admin-modal-overlay.show{display:flex}
.admin-modal{background:#0a0f1a;border:1px solid rgba(255,255,255,.1);border-radius:20px;width:100%;max-width:600px;max-height:90vh;overflow-y:auto}
.admin-modal-header{padding:22px 26px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;align-items:center}
.admin-modal-header h3{font-size:1.05rem;font-weight:700}
.admin-modal-close{background:none;border:none;color:rgba(255,255,255,.4);font-size:1.5rem;cursor:pointer;padding:4px 8px;transition:color .2s;line-height:1}
.admin-modal-close:hover{color:#fff}
.admin-modal-body{padding:26px}
.admin-modal-footer{padding:14px 26px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:flex-end;gap:12px}
.admin-image-upload{border:2px dashed rgba(255,255,255,.15);border-radius:12px;padding:28px;text-align:center;cursor:pointer;transition:var(--transition)}
.admin-image-upload:hover{border-color:rgba(255,0,0,.4);background:rgba(137,0,0,.05)}
.admin-image-upload.has-image{padding:8px}
.admin-image-upload img{max-height:140px;border-radius:8px;margin:0 auto}
.admin-quick-action{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px 18px;display:flex;align-items:center;gap:14px;text-decoration:none;color:inherit;transition:var(--transition)}
.admin-quick-action:hover{border-color:var(--border-hover);background:rgba(137,0,0,.05);transform:translateX(4px)}
.admin-quick-icon{width:38px;height:38px;border-radius:10px;background:rgba(137,0,0,.15);display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}
.admin-quick-text{font-size:.85rem;font-weight:600}
.admin-quick-sub{font-size:.7rem;color:var(--text-faint);margin-top:2px}
.admin-activity-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px}
.admin-activity-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.admin-activity-item:last-child{border-bottom:none}
.admin-activity-dot{width:7px;height:7px;border-radius:50%;margin-top:7px;flex-shrink:0}
.admin-activity-text{font-size:.83rem;color:rgba(255,255,255,.7)}
.admin-activity-time{font-size:.7rem;color:var(--text-faint);margin-top:2px}
.admin-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:45}
.admin-overlay.show{display:block}
.admin-mobile-toggle{display:none;background:none;border:none;color:rgba(255,255,255,.6);font-size:1.5rem;cursor:pointer;padding:8px}

@media(max-width:768px){
  .admin-sidebar{transform:translateX(-100%)}
  .admin-sidebar.open{transform:translateX(0)}
  .admin-main{margin-left:0}
  .admin-mobile-toggle{display:block}
  .admin-content{padding:16px}
  .admin-table thead th,.admin-table tbody td{padding:10px 8px;font-size:.78rem}
  .admin-actions{flex-direction:column}
  .admin-user-info{display:none}
  .admin-modal{margin:16px;max-height:95vh}
}
/* ===== PEOPLE CARDS (Speakers / Organizers / Volunteers) ===== */
.people-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
@media(max-width:1100px){.people-grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:700px){.people-grid{grid-template-columns:repeat(2,1fr);gap:12px;}}
@media(max-width:380px){.people-grid{grid-template-columns:1fr 1fr;gap:10px;}}

.people-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  overflow:hidden;
  transition:var(--transition);
  display:flex;
  flex-direction:column;
}
.people-card:hover{border-color:var(--border-hover);transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.4);}

.people-card-img{
  width:100%;
  aspect-ratio:3/4;
  overflow:hidden;
  position:relative;
  flex-shrink:0;
}
.people-card-img img{
  width:100%;height:100%;
  object-fit:cover;
  object-position:top center;
  display:block;
  transition:transform .6s;
}
.people-card:hover .people-card-img img{transform:scale(1.05);}

.people-card-placeholder{
  width:100%;height:100%;
  background:rgba(137,0,0,.1);
  display:flex;align-items:center;justify-content:center;
  font-size:3.5rem;opacity:.2;
}

.people-card-body{
  padding:14px 16px 16px;
  flex:1;
  display:flex;
  flex-direction:column;
}
@media(max-width:700px){
  .people-card-body{padding:10px 12px 12px;}
  .people-card-body .card-name{font-size:.88rem;}
  .people-card-body .card-title{font-size:.72rem;}
  .people-card-body .btn-sm{font-size:.7rem;padding:6px 12px;}
}

/* ===== SPONSOR TIER SECTIONS ===== */
.sponsor-tier-block{margin-bottom:40px;}
.sponsor-tier-block:last-child{margin-bottom:0;}

.sponsor-tier-label{
  font-size:.62rem;
  font-weight:700;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:rgba(255,0,0,.55);
  text-align:center;
  margin-bottom:18px;
  position:relative;
}
.sponsor-tier-label::before,
.sponsor-tier-label::after{
  content:'';
  position:absolute;
  top:50%;
  width:28%;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,0,0,.2));
}
.sponsor-tier-label::before{right:calc(50% + 6em);}
.sponsor-tier-label::after{left:calc(50% + 6em);background:linear-gradient(270deg,transparent,rgba(255,0,0,.2));}

.sponsor-tier-row{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:16px;
}

.sponsor-logo-box{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.07);
  border-radius:14px;
  padding:20px 32px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:var(--transition);
  min-width:140px;
  min-height:80px;
  text-decoration:none;
  filter:grayscale(0.4);
  opacity:.8;
}
.sponsor-logo-box:hover{
  filter:grayscale(0);
  opacity:1;
  border-color:rgba(255,0,0,.25);
  background:rgba(255,0,0,.05);
  transform:translateY(-2px);
}
.sponsor-logo-box img{max-height:52px;max-width:160px;object-fit:contain;}
.sponsor-name-text{
  font-size:.92rem;font-weight:700;
  color:rgba(255,255,255,.6);
  text-align:center;
}

/* Powered By — biggest */
.tier-powered_by .sponsor-logo-box{min-width:200px;min-height:100px;padding:28px 48px;}
.tier-powered_by .sponsor-logo-box img{max-height:68px;max-width:200px;}

/* Associate By — medium-large */
.tier-associate .sponsor-logo-box{min-width:170px;min-height:90px;padding:22px 40px;}
.tier-associate .sponsor-logo-box img{max-height:58px;}

@media(max-width:600px){
  .sponsor-logo-box{min-width:110px;min-height:64px;padding:14px 18px;}
  .sponsor-logo-box img{max-height:38px;}
  .tier-powered_by .sponsor-logo-box{min-width:140px;min-height:80px;}
  .tier-powered_by .sponsor-logo-box img{max-height:50px;}
}