:root{
  --purple:#7c3aed;
  --purple-dark:#5b21b6;
  --purple-light:#ede9fe;
  --glass:rgba(255,255,255,0.18);
  --glass-border:rgba(255,255,255,0.35);
  --bg:#f6f3ff;
  --text:#1e293b;
}

/* RESET */
*{box-sizing:border-box;margin:0;padding:0;}

body{
  font-family:'Poppins', sans-serif;
  color:var(--text);
  line-height:1.6;
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* HEADING */
h1{font-weight:700;}
h2{font-weight:600;}
h3{font-weight:600;}
h4{font-weight:500;}

/* LAYOUT */
.container{width:90%;max-width:1150px;margin:auto}
.flex-between{display:flex;justify-content:space-between;align-items:center}
.center{text-align:center}

/* ===== TOPBAR LAYOUT ===== */
#topbar{
  background:linear-gradient(90deg,var(--purple),var(--purple-dark));
  color:white;
  font-size:12px;
}

/* FLEX CONTAINER */
.topbar-flex{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:28px;   /* slim bar */
}

/* LEFT GROUP */
.topbar-left{
  display:flex;
  align-items:center;
  gap:8px;
}

/* EMAIL + PHONE */
#topbar a{
  color:white;
  text-decoration:none;
  font-style:normal;
}

/* ===== REGISTER BUTTON (WHITE) ===== */
.topbar-register{
  background:white;
  color:var(--purple-dark) !important;
  padding:3px 14px;
  border-radius:18px;
  font-size:12px;
  font-weight:600;
  line-height:1;
  border:1px solid rgba(255,255,255,.4);
  box-shadow:0 2px 6px rgba(0,0,0,.15);
  transition:all .2s ease;
}

/* HOVER */
.topbar-register:hover{
  background:var(--purple);
  color:white !important;
}


/* HEADER */
.header{
  position:sticky;
  top:0;
  backdrop-filter:blur(10px);
  background:rgba(255,255,255,0.7);
  border-bottom:1px solid rgba(0,0,0,.05);
  z-index:4;
}
.header nav a{
  margin:0 10px;
  text-decoration:none;
  color:var(--text);
  font-weight:600;
}
.header nav a:hover{color:var(--purple)}
.logo{font-weight:bold;color:var(--purple)}
.menu{display:none;font-size:22px;cursor:pointer}

/* ===== HERO SECTION ===== */
.hero-brochure{
  position:relative;
  background:url("assets/images/slide2.jpg") center/cover no-repeat;
  min-height:95vh;
  display:flex;
  align-items:center;
  color:#fff;
}

/* PURPLE OVERLAY */
.hero-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,var(--purple),var(--purple-dark));
  opacity:.88;
}

/* HERO CONTENT */
.hero-content{
  position:relative;
  z-index:2;
  text-align:center;
  max-width:1100px;
  margin:auto;
  padding:0 20px;
}

/* ===== HEADER STRIP ===== */
.hero-header{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  margin-bottom:10px;
}

/* LEFT IFET */
.hero-left{
  justify-self:start;
  margin-left:-120px;
}

.ifet-logo{
  width:300px;
  max-width:100%;
  height: 80px;
}

/* CENTER DEPARTMENT */
.hero-center{
  text-align:center;
}

.dept-single{
  font-size:30px;
  font-weight:800;
  letter-spacing:3px;
  margin:0;
  white-space:nowrap;
}

.org{
  margin-top:6px;
  font-size:16px;
  opacity:.9;
}

/* RIGHT NBA */
.hero-right{
  justify-self:end;
  margin-left:-10px;
}

.nba-logo{
  height:80px;
  width:auto;
}

/* ===== CONFERENCE TITLE ===== */
.conf-title{
  font-size:36px;
  margin:14px 0;
  line-height:1.25;
}

.conf-code{
  font-size:22px;
  margin-bottom:24px;
}

/* ===== INFO GLASS BOXES ===== */
.hero-info{
  display:flex;
  justify-content:center;
  gap:28px;
  margin:22px 0;
  flex-wrap:wrap;
}

.hero-info div{
  background:var(--glass);
  backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);
  padding:16px 26px;
  border-radius:14px;
  box-shadow:0 8px 24px rgba(124,58,237,.18);
}

/* ===== DATE PILLS ===== */
.hero-dates{
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
}

.hero-dates span{
  background:#fff;
  color:var(--purple-dark);
  padding:6px 14px;
  border-radius:20px;
  font-weight:600;
  font-size:14px;
}

/* ===== HERO BUTTON ===== */
.hero-btn{
  display:inline-block;
  margin-top:24px;
  background:#fff;
  color:var(--purple-dark);
  padding:12px 32px;
  border-radius:30px;
  text-decoration:none;
  font-weight:600;
  box-shadow:0 6px 18px rgba(124,58,237,.35);
  transition:all .25s ease;
}

.hero-btn:hover{
  background:var(--purple);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(124,58,237,.45);
}

/* ===== MOBILE ===== */
@media(max-width:992px){
  .dept-single{
    font-size:24px;
    white-space:normal;
  }

  .ifet-logo{width:160px;}
  .nba-logo{height:50px;}
}

@media(max-width:768px){
  .hero-header{
    grid-template-columns:1fr;
    gap:12px;
    text-align:center;
  }

  .hero-left,
  .hero-right{
    justify-self:center;
  }

  .dept-single{
    font-size:22px;
  }

  .ifet-logo{width:140px;}
  .nba-logo{height:44px;}

  .conf-title{
    font-size:26px;
  }

  .conf-code{
    font-size:18px;
  }
}

/* ===== CLIENTS SECTION ===== */
.clients{
  background:#f4f3f8;
  padding:60px 0;
}

/* Swiper container */
.clients-slider{
  width:100%;
  padding-bottom:40px;
}

/* Slide */
.clients-slider .swiper-slide{
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  opacity:.55;
  transition:opacity .3s ease, transform .3s ease;
}

/* Active / hovered slide emphasis */
.clients-slider .swiper-slide-active,
.clients-slider .swiper-slide:hover{
  opacity:1;
  transform:translateY(-4px);
}

/* Logo */
.clients-slider img{
  width:90px;
  height:90px;
  object-fit:contain;
  margin-bottom:10px;
}

/* Caption */
.clients-slider p{
  font-size:15px;
  color:#374151;
  max-width:160px;
  line-height:1.4;
  margin:0;
}

/* ===== PAGINATION DOTS ===== */
.clients .swiper-pagination-bullet{
  background:var(--purple);
  opacity:.35;
}
/* MOVE PAGINATION DOTS DOWN */
.clients-slider .swiper-pagination{
  margin-top:20px;
  position:relative;
  bottom:-10px;
}
.clients .swiper-pagination-bullet-active{
  opacity:1;
  transform:scale(1.15);
}
/* SECTIONS */
.section{padding:80px 0}
.section.light{background:var(--purple-light)}
.title{text-align:center;margin-bottom:40px;color:var(--purple-dark);}
.sub-title{margin-top:30px;color:var(--purple-dark);text-align:center}
.center-text{text-align:center;max-width:820px;margin:auto}

/* GLASS CARDS */
.glass-card,
.track-card,
.reg-card,
.speaker-card,
.committee-group{
  background:var(--glass);
  backdrop-filter:blur(16px);
  border:1px solid var(--glass-border);
  border-radius:16px;
  box-shadow:0 10px 28px rgba(124,58,237,.15);
}

/* PUBLICATION */
.publication-box{
  margin-top:25px;
  background:var(--glass);
  padding:18px;
  border-left:5px solid var(--purple);
  border-radius:12px;
}

/* PARTICIPATE */
.participate-icons{
  display:flex;
  justify-content:center;
  gap:30px;
  flex-wrap:wrap;
  margin-top:30px;
}
.participate-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  padding:18px 22px;
  border-radius:14px;
  background:var(--glass);
  backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);
  box-shadow:0 8px 22px rgba(124,58,237,.15);
  min-width:160px;
  transition:.25s;
}
.participate-item:hover{
  transform:translateY(-4px);
  box-shadow:0 12px 28px rgba(124,58,237,.25);
}
.participate-item i{
  font-size:60px;
  color:var(--purple-dark);
}
.participate-item span{font-weight:500;text-align:center}

/* TRACKS */
.tracks-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:30px;
}
@media(max-width:768px){
  .tracks-grid{grid-template-columns:1fr;}
}
.track-card{
  padding:24px;
  border-radius:16px;
  background:var(--glass);
  backdrop-filter:blur(16px);
  border:1px solid var(--glass-border);
  box-shadow:0 10px 28px rgba(124,58,237,.15);
  transition:transform .25s ease, box-shadow .25s ease;
}
.track-card:hover{
  transform:translateY(-4px);
  box-shadow:0 14px 34px rgba(124,58,237,.25);
}
.track-card h3{
  color:var(--purple-dark);
  margin-bottom:14px;
  font-weight:600;
  font-size:20px;
  display:flex;
  align-items:center;
  gap:10px;
}
.track-card ul{padding-left:18px;}
.track-card li{margin-bottom:6px;font-size:14px;}
.track-card h3 i{
  font-size:20px;
  color:white;
  background:linear-gradient(135deg,var(--purple),var(--purple-dark));
  width:34px;
  height:34px;
  border-radius:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 4px 12px rgba(124,58,237,.35);
}
.tracks-grid .track-card:last-child:nth-child(odd){
  grid-column:1 / -1;
  max-width:520px;
  margin:auto;
}
/* ===== MODERN COMMITTEE DESIGN ===== */
.committee-modern{
  max-width:900px;
  margin:40px auto 0;
  display:grid;
  gap:24px;
}

/* CARD */
.committee-card{
  background:var(--glass);
  backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);
  border-radius:16px;
  overflow:hidden;
  box-shadow:0 10px 28px rgba(124,58,237,.15);
  transition:.25s;
}

.committee-card:hover{
  transform:translateY(-3px);
  box-shadow:0 16px 34px rgba(124,58,237,.22);
}

/* HEADER */
.committee-title{
  background:linear-gradient(90deg,var(--purple),var(--purple-dark));
  color:white;
  padding:14px 18px;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:10px;
  letter-spacing:.4px;
}

/* ITEMS */
.committee-item{
  padding:14px 18px;
  border-top:1px solid rgba(124,58,237,.12);
  line-height:1.7;
  font-size:15px;
}

.committee-item:first-of-type{
  border-top:none;
}

.committee-item:hover{
  background:rgba(124,58,237,.05);
}
/* REGISTRATION TABLE */
.reg-table-wrap{
  max-width:600px;
  margin:30px auto;
  background:var(--glass);
  backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);
  border-radius:14px;
  overflow:hidden;
  box-shadow:0 10px 28px rgba(124,58,237,.15);
}
.reg-table{
  width:100%;
  border-collapse:collapse;
  text-align:center;
}
.reg-table thead{
  background:linear-gradient(90deg,var(--purple),var(--purple-dark));
  color:white;
}
.reg-table th{padding:14px;font-weight:600;}
.reg-table td{
  padding:14px;
  border-top:1px solid rgba(0,0,0,.06);
}
.reg-table tbody tr:hover{
  background:rgba(124,58,237,.06);
}

/* REGISTRATION ROW ICONS — LARGER */
.reg-row-icon{
  font-size:30px;        /* increased size */
  margin-right:12px;
  vertical-align:-5px;
  color:var(--purple-dark);
}

/* REGISTRATION & PAYMENT CARDS */
.reg-link-card,
.reg-pay-card{
  text-align:center;
}

/* BUTTON SPACING */
.reg-btn{
  margin-top:10px;
}

/* SCAN TEXT */
.scan-text{
  margin-top:6px;
  color:var(--purple-dark);
  font-weight:500;
}

/* QR BOX */
.qr-box{
  margin-top:15px;
  display:flex;
  justify-content:center;
}

/* QR IMAGE */
.qr-box img{
  width:200px;
  height:200px;
  object-fit:contain;
  background:white;
  padding:10px;
  border-radius:12px;
  box-shadow:0 8px 22px rgba(124,58,237,.18);
}

/* SPEAKER */
.speaker-card{
  display:flex;
  align-items:center;
  gap:25px;
  padding:25px;
  max-width:600px;
  margin:auto;
}
.speaker-photo{
  width:100px;
  height:100px;
  border-radius:50%;
  background:var(--purple-light);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:40px;
  color:var(--purple);
}
.speaker-info h3{
  color:var(--purple-dark);
  margin-bottom:5px;
}

/* COMMITTEE */
.committee-list{max-width:750px;margin:auto;}
.committee-group{padding:18px;margin-bottom:20px;}
.committee-group h3{color:var(--purple-dark);margin-bottom:8px;}

/* CONTACT */
.contact-section{
  background:linear-gradient(135deg,var(--purple),var(--purple-dark));
  color:white;
  padding:70px 0;
}
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
}
.map-box{
  border-radius:10px;
  overflow:hidden;
  box-shadow:0 6px 18px rgba(0,0,0,.3);
}

/* FOOTER */
.footer{
  text-align:center;
  padding:20px;
  background:#111;
  color:white;
}

/* RESPONSIVE */
@media(max-width:768px){
  nav{display:none}
  .menu{display:block}
  .contact-grid{grid-template-columns:1fr}
  .conf-title{font-size:26px}
}

/* ===== IMPORTANT NOTICE BAR ===== */
.notice{
  display:flex;
  align-items:center;
  gap:20px;
  background:rgba(124,58,237,.08);
  border:1px solid rgba(124,58,237,.18);
  backdrop-filter:blur(8px);
  padding:10px 16px;
  overflow:hidden;
}

/* LABEL */
.notice-label{
  background:linear-gradient(90deg,var(--purple),var(--purple-dark));
  color:white;
  padding:6px 14px;
  border-radius:20px;
  font-size:13px;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:6px;
  white-space:nowrap;
}

/* MARQUEE AREA */
.notice-marquee{
  overflow:hidden;
  flex:1;
}

/* SCROLL TRACK */
.notice-track{
  white-space:nowrap;
  color:var(--purple-dark);
  font-weight:500;
  animation:noticeScroll 18s linear infinite;
}

/* ANIMATION */
@keyframes noticeScroll{
  0%{transform:translateX(100%)}
  100%{transform:translateX(-100%)}
}

/* ===== CONTACT SECTION WITH BG IMAGE ===== */
.contact-section{
  position:relative;
  padding:80px 0;
  background:url("assets/images/slide2.jpg") center/cover no-repeat;
}

/* LIGHT PURPLE OVERLAY */
.contact-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,
              rgba(124,58,237,.85),
              rgba(91,33,182,.85));
}

/* CONTENT ABOVE OVERLAY */
.contact-section .container{
  position:relative;
  z-index:2;
}

/* CARD */
.contact-card{
  max-width:700px;
  margin:auto;
  background:rgba(255,255,255,.12);
  backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.25);
  border-radius:20px;
  padding:36px 34px;
  box-shadow:0 20px 40px rgba(0,0,0,.25);
}

/* TITLE */
.contact-title{
  color:white;
  text-align:center;
  font-size:30px;
  font-weight:700;
  margin-bottom:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
}

/* LIST */
.contact-list{
  display:flex;
  flex-direction:column;
  gap:18px;
}

/* ITEM */
.contact-item{
  display:flex;
  align-items:flex-start;
  gap:14px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  padding:16px 18px;
  border-radius:14px;
  transition:.25s;
}

.contact-item:hover{
  background:rgba(255,255,255,.16);
  transform:translateY(-2px);
}

/* ICON */
.contact-item i{
  color:white;
  font-size:20px;
  margin-top:2px;
}

/* TEXT */
.contact-item strong{
  color:white;
  display:block;
  font-size:15px;
}

.contact-item span{
  color:rgba(255,255,255,.8);
  font-size:13px;
  display:block;
  margin-bottom:2px;
}

.contact-item a{
  color:white;
  text-decoration:none;
  font-weight:500;
}

.contact-item a:hover{
  text-decoration:underline;
}

/* MOBILE */
@media(max-width:600px){
  .contact-card{
    padding:28px 20px;
  }
}

/* ===== VENUE SECTION (IMAGE + PURPLE OVERLAY) ===== */
.venue-section{
  background:
    linear-gradient(rgba(124,58,237,.88), rgba(91,33,182,.88)),
    url("assets/images/collage-t.png") center/cover no-repeat;
  padding:80px 0;
}

.venue-section{
  background:
    linear-gradient(rgba(124,58,237,.88), rgba(91,33,182,.88)),
    url("assets/images/slide3.jpg") center/cover no-repeat;
  padding:80px 0;
  color:white;               /* makes all text white */
}

.venue-wrap{
  display:grid;
  grid-template-columns:1fr 1.4fr;
  gap:40px;
  align-items:center;
}

/* INFO PANEL */
.venue-info{
  color:white;
}

.venue-title{
  font-size:32px;
  font-weight:700;
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
}

.venue-title i{
  font-size:30px;
}

.venue-name{
  font-size:20px;
  font-weight:600;
  margin-bottom:6px;
}

.venue-place{
  opacity:.9;
  font-size:16px;
}
/* ===== VENUE LOGO ===== */
.venue-logo{
  width: 300px;
  height:auto;
  margin-bottom:14px;
  display:block;
  filter:drop-shadow(0 6px 12px rgba(0,0,0,.35));
}

/* center alignment */
.venue-info{
  text-align:left;
}

@media(max-width:768px){
  .venue-info{
    text-align:center;
  }
  .venue-logo{
    margin-left:auto;
    margin-right:auto;
  }
}
/* ===== VENUE MAP CARD — PREMIUM ===== */
.venue-map{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  padding:8px;   /* inner frame space */
  background:rgba(255,255,255,.12);
  backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.35);
  box-shadow:
    0 12px 30px rgba(0,0,0,.25),
    0 0 0 1px rgba(255,255,255,.08) inset;
  transition:.35s ease;
}

/* glow edge */
.venue-map::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:18px;
  background:linear-gradient(135deg,
              rgba(255,255,255,.35),
              rgba(255,255,255,0));
  pointer-events:none;
}

/* hover lift */
.venue-map:hover{
  transform:translateY(-6px) scale(1.01);
  box-shadow:
    0 24px 50px rgba(0,0,0,.35),
    0 0 20px rgba(124,58,237,.35);
}

/* iframe inner */
.venue-map iframe{
  width:100%;
  height:340px;
  border:0;
  display:block;
  border-radius:14px;
  background:white;
}

/* RESPONSIVE */
@media(max-width:768px){
  .venue-wrap{
    grid-template-columns:1fr;
  }
  .venue-map iframe{
    height:260px;
  }
}