:root{
  --primary:#c91e16;
  --primary-dark:#99150f;
  --navy:#12213b;
  --ink:#1f2937;
  --muted:#667085;
  --bg:#f7f8fb;
  --gold:#f2a900;
  --white:#fff;
  --border:#e6e9ef;
  --shadow:0 15px 40px rgba(18,33,59,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(1180px,92%);margin:auto}
.top-strip{background:var(--navy);color:#fff;font-size:.88rem}
.strip-inner{min-height:38px;display:flex;align-items:center;justify-content:flex-end;gap:24px}
.strip-inner a{background:var(--primary);padding:7px 16px;font-weight:700}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);box-shadow:0 2px 14px rgba(0,0,0,.06)}
.nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:52px;height:52px;object-fit:contain}
.brand strong{display:block;color:var(--navy);font-size:1rem}
.brand small{display:block;color:var(--primary);font-weight:700}
nav{display:flex;align-items:center;gap:25px}
nav a{font-weight:700;font-size:.92rem}
nav a:hover{color:var(--primary)}
.nav-cta{background:var(--primary);color:#fff;padding:10px 17px;border-radius:6px}
.menu-toggle{display:none;border:0;background:none;font-size:1.7rem;cursor:pointer}

.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 70% 30%,#284d7b 0,#12213b 40%,#0a1426 100%);color:#fff;padding:76px 0 70px}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:40px 40px}
.hero-overlay{position:absolute;width:520px;height:520px;background:var(--primary);filter:blur(160px);opacity:.13;right:-120px;top:-150px}
.hero-grid{position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:50px;align-items:center}
.logo-row{display:flex;gap:18px;align-items:center;margin-bottom:16px}
.logo-row img{height:80px;width:auto;object-fit:contain;background:#fff;border-radius:10px;padding:4px}
.eyebrow,.section-tag{letter-spacing:1.5px;font-weight:800;font-size:.78rem;color:var(--gold)}
.hero h1{font-family:Georgia,serif;font-size:clamp(3rem,6vw,5.8rem);line-height:1.03;margin:15px 0}
.hero h1 span,.section h2 span,.contact-banner h2 span{color:var(--gold)}
.subtitle{font-size:clamp(1.1rem,2.1vw,1.55rem);font-weight:700;max-width:850px;line-height:1.35}
.hindi{margin-top:13px;color:#dbe7f8;font-size:1rem}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0}
.btn{border:0;border-radius:7px;padding:13px 23px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-weight:800;font-size:.95rem;transition:.25s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 25px rgba(201,30,22,.25)}
.btn-light{background:#fff;color:var(--navy)}
.countdown-card{display:inline-block;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);backdrop-filter:blur(10px);padding:15px 18px;border-radius:12px}
.countdown-card>span{font-size:.85rem;color:#d9e2ef}
.countdown{display:flex;gap:18px;margin-top:7px}
.countdown div{text-align:center;min-width:55px}
.countdown b{display:block;font-size:1.5rem;color:#fff}
.countdown small{font-size:.7rem;color:#c8d2e0}
.hero-visual{position:relative}
.hero-image-frame{border:9px solid rgba(255,255,255,.12);border-radius:24px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.35);transform:rotate(2deg)}
.hero-image-frame img{width:100%;height:430px;object-fit:cover}
.floating-card{position:absolute;right:-18px;bottom:25px;background:#fff;color:var(--navy);padding:15px 20px;border-radius:10px;box-shadow:var(--shadow)}
.floating-card strong,.floating-card span{display:block}
.floating-card span{font-size:.8rem;color:var(--muted)}

.quick-info{background:#fff;box-shadow:0 6px 25px rgba(0,0,0,.06);position:relative;z-index:2}
.info-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.info-item{padding:23px 18px;display:flex;gap:13px;border-right:1px solid var(--border)}
.info-item:last-child{border:0}
.info-item .icon{font-size:1.7rem}
.info-item b{display:block;color:var(--navy)}
.info-item p{font-size:.9rem;color:var(--muted);line-height:1.35}

.section{padding:88px 0}
.section-alt{background:var(--bg)}
.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:65px;align-items:center}
.section h2,.contact-banner h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.12;color:var(--navy);margin:8px 0 18px}
.section p{color:var(--muted);margin-bottom:12px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:25px}
.stats div{padding:14px;background:var(--bg);border-left:3px solid var(--primary)}
.stats b{display:block;font-size:1.55rem;color:var(--navy)}
.stats span{font-size:.8rem;color:var(--muted)}
.poster-card{max-height:600px;overflow:hidden;border-radius:14px;box-shadow:var(--shadow)}
.poster-card img{width:100%;height:100%;object-fit:cover;object-position:top}

.section-head{text-align:center;max-width:760px;margin:0 auto 45px}
.track-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.track-card{background:#fff;border:1px solid var(--border);padding:27px 22px;border-radius:12px;box-shadow:0 10px 28px rgba(18,33,59,.05);transition:.25s}
.track-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.track-icon{font-size:2rem;margin-bottom:10px}
.track-card h3{color:var(--navy);font-size:1.12rem;line-height:1.35;margin-bottom:8px}.track-hindi{font-size:.9rem;color:var(--muted);margin-bottom:10px!important}
.track-card ul{list-style:none}
.track-card li{font-size:.88rem;color:var(--muted);padding:7px 0;border-top:1px solid #eef0f4}
.track-card li:before{content:"✓ ";color:var(--primary);font-weight:bold}

.dates-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.date-card{background:#fff;border-radius:12px;padding:26px 20px;text-align:center;box-shadow:var(--shadow);border-bottom:4px solid var(--primary)}
.date-card span{font-size:2rem}
.date-card h3{font-size:1rem;color:var(--navy);margin:9px 0}
.date-card strong{color:var(--primary);font-size:.98rem}
.center-action{text-align:center;margin-top:32px}

.speaker-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.speaker-card{background:#fff;border-radius:13px;overflow:hidden;border:1px solid var(--border);transition:.25s}
.speaker-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.speaker-photo{height:210px;display:flex;align-items:center;justify-content:center;font-size:4rem;background:linear-gradient(135deg,#dfe6f0,#bcc8d8)}
.speaker-body{padding:18px}
.speaker-body h3{color:var(--navy);font-size:1.05rem}
.speaker-body p{font-size:.85rem;margin:4px 0 10px}
.speaker-body span{font-size:.75rem;color:var(--primary);font-weight:800}

.committee-tabs,.schedule-tabs{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.tab,.schedule-tab{padding:11px 19px;border:1px solid var(--border);background:#fff;color:var(--navy);font-weight:800;border-radius:6px;cursor:pointer}
.tab.active,.schedule-tab.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.committee-panel,.schedule-day{display:none}
.committee-panel.active,.schedule-day.active{display:block}
.committee-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:17px}
.member{background:#fff;border:1px solid var(--border);border-radius:10px;padding:18px;display:flex;gap:14px;align-items:center}
.avatar{width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800;flex-shrink:0}
.member h3{font-size:1rem;color:var(--navy)}
.member p{font-size:.86rem;margin:2px 0 0}

.timeline{max-width:900px;margin:auto}
.timeline-item{display:grid;grid-template-columns:145px 1fr;gap:30px;padding:22px 0;border-bottom:1px solid var(--border);position:relative}
.timeline-item>span{font-weight:800;color:var(--primary)}
.timeline-item h3{color:var(--navy);font-size:1.08rem}
.timeline-item p{font-size:.9rem;margin:4px 0}

.contact-banner{background:linear-gradient(120deg,#12213b,#1d385f);color:#fff;padding:70px 0}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:55px;align-items:center}
.contact-banner h2{color:#fff}
.contact-banner p{color:#cbd5e1}
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.contact-cards>div{background:#fff;color:var(--ink);padding:20px;border-radius:10px}
.contact-cards h3{color:var(--navy);font-size:1rem}
.contact-cards p{color:var(--muted);font-size:.85rem;margin:4px 0 10px}
.contact-cards a{font-weight:800;color:var(--primary);word-break:break-word}

footer{background:#09101e;color:#d2d9e4}
.footer-grid{display:grid;grid-template-columns:1.5fr .7fr .8fr;gap:45px;padding:55px 0}
.footer-brand{display:flex;gap:13px;align-items:center;color:#fff}
.footer-brand img{width:55px;height:55px;object-fit:contain;background:#fff;border-radius:50%}
.footer-brand strong,.footer-brand span{display:block}
footer h3{color:#fff;margin-bottom:12px}
footer p{font-size:.9rem;margin-top:15px;color:#aeb9c8}
footer a{display:block;font-size:.9rem;margin:7px 0;color:#aeb9c8}
.copyright{text-align:center;border-top:1px solid rgba(255,255,255,.08);padding:16px;font-size:.82rem;color:#8994a4}

.modal{position:fixed;inset:0;background:rgba(7,13,24,.7);z-index:500;display:none;align-items:center;justify-content:center;padding:20px}
.modal.show{display:flex}
.modal-box{position:relative;background:#fff;width:min(480px,100%);border-radius:15px;padding:30px;box-shadow:0 30px 80px rgba(0,0,0,.3)}
.modal-close{position:absolute;right:14px;top:10px;border:0;background:none;font-size:2rem;cursor:pointer}
.modal-box h2{color:var(--navy);margin:7px 0}
.modal-box p{color:var(--muted);font-size:.9rem}
.modal form{display:grid;gap:12px;margin-top:18px}
.modal input,.modal select{padding:13px;border:1px solid var(--border);border-radius:6px;font:inherit}
.form-message{margin-top:12px;font-weight:700;color:green}
.back-to-top{position:fixed;right:20px;bottom:20px;width:45px;height:45px;border-radius:50%;border:0;background:var(--primary);color:#fff;font-size:1.4rem;cursor:pointer;display:none;z-index:80}
.back-to-top.show{display:block}

.reveal{opacity:0;transform:translateY(25px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

@media(max-width:950px){
  .hero-grid,.two-col,.contact-grid{grid-template-columns:1fr}
  .hero-visual{max-width:650px;margin:auto;width:100%}
  .track-grid,.dates-grid{grid-template-columns:1fr}
  .speaker-grid{grid-template-columns:repeat(2,1fr)}
  .info-grid{grid-template-columns:repeat(2,1fr)}
  .info-item:nth-child(2){border-right:0}
}
@media(max-width:760px){
  .top-strip{display:none}
  .nav-wrap{min-height:68px}
  .brand strong{font-size:.88rem}
  .brand small{font-size:.7rem}
  .menu-toggle{display:block}
  nav{position:absolute;left:0;right:0;top:68px;background:#fff;display:none;flex-direction:column;align-items:stretch;gap:0;padding:12px 4%;box-shadow:0 12px 20px rgba(0,0,0,.1)}
  nav.open{display:flex}
  nav a{padding:12px 8px}
  .nav-cta{text-align:center}
  .hero{padding:55px 0}
  .hero h1{font-size:3.2rem}
  .hero-image-frame img{height:300px}
  .logo-row img{height:65px}
  .floating-card{right:5px}
  .section{padding:65px 0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .committee-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .container{width:min(92%,100%)}
  .info-grid,.track-grid,.dates-grid,.speaker-grid,.contact-cards{grid-template-columns:1fr}
  .info-item{border-right:0;border-bottom:1px solid var(--border)}
  .hero-actions .btn{width:100%}
  .countdown{gap:7px}
  .countdown div{min-width:48px}
  .timeline-item{grid-template-columns:1fr;gap:4px}
  .hero h1{font-size:2.7rem}
  .hero-image-frame img{height:250px}
}

/* Participant registration guide */
.guide-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:20px;margin:32px 0}.guide-step{background:#fff;border:1px solid #e5eaf4;border-radius:18px;padding:25px;box-shadow:0 8px 28px rgba(12,28,66,.06)}.guide-step>b{font-size:30px;color:#e58b24}.guide-step h3{margin:10px 0;color:#111b42}.guide-step p{line-height:1.7;color:#47536a}.guide-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin:30px 0}.guide-note{max-width:950px;margin:24px auto;line-height:1.7;font-size:14px;color:#48516b}.poster-card img{width:100%;height:auto;object-fit:contain}

/* Oct 2026 layout refinements: show the COMPLETE portrait poster */
.poster-card{max-height:none;height:auto;overflow:visible;align-self:start;background:#fff;border-radius:14px;box-shadow:var(--shadow)}
.poster-card img{display:block;width:100%;height:auto;max-height:none;object-fit:contain;object-position:center;border-radius:14px}
/* Give long conference email enough space, with intentional responsive wrapping */
.contact-cards .email-card{grid-column:1 / -1}
.contact-email-link{display:inline-flex;align-items:center;gap:10px;max-width:100%;font-size:clamp(.9rem,1.2vw,1.05rem);line-height:1.6;text-decoration:none}
.contact-email-link span:last-child{overflow-wrap:anywhere;word-break:normal}
.contact-email-link span:first-child{flex-shrink:0}
@media(max-width:560px){.contact-cards .email-card{grid-column:auto}.contact-email-link{font-size:.95rem}}

/* Full poster, responsive email, and English/Hindi language selector */
.poster-card{max-height:none;overflow:visible;}
.poster-card img{height:auto!important;max-height:none!important;width:100%;object-fit:contain!important;object-position:center;}
.contact-email-link{display:flex;align-items:flex-start;gap:7px;flex-wrap:wrap;max-width:100%;min-width:0;}
.contact-email-link span:last-child{overflow-wrap:anywhere;word-break:normal;min-width:0;}
.email-card{min-width:0;}
.language-switch{display:inline-flex;flex-shrink:0;align-items:center;border:1px solid #d8dfec;background:#f5f7fb;border-radius:8px;padding:3px;gap:2px;}
.lang-btn{padding:7px 10px;white-space:nowrap;font-weight:700;font-size:.84rem;border:0;border-radius:6px;color:#172943;background:transparent;cursor:pointer;}
.lang-btn.active{background:#c91e16;color:white;box-shadow:0 2px 5px rgba(0,0,0,.12);}
.lang-btn:focus-visible{outline:3px solid #f2a900;outline-offset:2px;}
.language-hindi{font-family:Arial,'Noto Sans Devanagari','Mangal',sans-serif;}
.language-hindi .hero h1{font-family:Georgia,'Noto Serif Devanagari',serif;}
@media(max-width:1100px){.nav-wrap{gap:10px}nav{gap:12px}nav a{font-size:.84rem}.lang-btn{padding:6px 8px}}
@media(max-width:850px){.language-switch{margin-left:auto}.nav-wrap{flex-wrap:wrap}.menu-toggle{order:3}nav{order:4}.brand{margin-right:auto}}
@media(max-width:420px){.brand img{height:40px;width:40px}.brand strong{font-size:.85rem}.brand small{font-size:.7rem}.lang-btn{padding:5px 6px;font-size:.74rem}}

.date-subnote{margin:.55rem 0 0;font-size:.9rem;color:#47536a;font-weight:500}
.registration-note{margin:22px auto 0;max-width:760px;text-align:center;font-size:1rem;line-height:1.7;color:#24314d;background:#fff7e8;border:1px solid #f2d39a;border-radius:12px;padding:14px 18px;box-shadow:0 8px 24px rgba(12,28,66,.05)}
.language-hindi .date-subnote,.language-hindi .registration-note{font-family:inherit}