/* ==========================================================================
   TANCS 2026 - Tamil Nadu Cardiological Society, Vellore Chapter
   Site Stylesheet
   ========================================================================== */

:root{
  --navy: #031d36;
  --navy-2: #0a2d4d;
  --teal: #0f8b8d;
  --teal-light: #14b8bb;
  --gold: #c87f24;
  --gold-light: #dba158;
  --cream: #f8eee2;
  --ink: #16233a;
  --muted: #5b6779;
  --line: #e7eaf0;
  --bg-soft: #f8eee2;
  --white: #ffffff;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(11,31,58,0.08);
  --shadow-lg: 0 20px 50px rgba(11,31,58,0.16);
  --hover-shadow: 0 20px 45px rgba(11,77,137,.12);
  --container: 1180px;
  --ff-head: 'Lato', sans-serif;
  --ff-body: 'Lato', sans-serif;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; scroll-padding-top: 96px; }
body{
  margin:0;
  font-family: var(--ff-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}
.btn, .nav-toggle, .accordion-header, .back-to-top{ touch-action: manipulation; }
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4,h5{
  font-family: var(--ff-head);
  color: var(--navy);
  line-height:1.25;
  margin: 0 0 .5em;
}
p{ margin: 0 0 1em; color: var(--muted); }
.container, .container-sm, .container-md, .container-lg, .container-xl, .container-xxl{
  width:100%; margin: 0 auto; padding: 0 24px;
}
.container-fluid{ width:100%; margin:0 auto; }
.px-3{ padding-left:1rem; padding-right:1rem; }
.px-4{ padding-left:1.5rem; padding-right:1.5rem; }
@media (min-width: 992px){
  .px-lg-4{ padding-left:1.5rem; padding-right:1.5rem; }
}

/* Bootstrap-style responsive container breakpoints */
@media (min-width: 576px){
  .container, .container-sm{ max-width: 540px; }
}
@media (min-width: 768px){
  .container, .container-md, .container-sm{ max-width: 720px; }
}
@media (min-width: 992px){
  .container, .container-lg, .container-md, .container-sm{ max-width: 960px; }
}
@media (min-width: 1200px){
  .container, .container-lg, .container-md, .container-sm, .container-xl{ max-width: 1140px; }
}
@media (min-width: 1400px){
  .container, .container-lg, .container-md, .container-sm, .container-xl, .container-xxl{ max-width: 1320px; }
}

.skip-link{
  position:absolute; left:-9999px; top:0; background:var(--navy); color:#fff;
  padding: 10px 16px; z-index: 2000; border-radius: 0 0 8px 0;
}
.skip-link:focus{ left:0; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 13px 28px; border-radius: 999px; font-weight:600; font-size:.95rem;
  border:2px solid transparent; cursor:pointer; transition: all .25s ease;
  font-family: var(--ff-head); letter-spacing:.2px;
}
.btn-primary{ background: linear-gradient(135deg, var(--teal), var(--teal-light)); color:#fff; box-shadow: 0 8px 20px rgba(15,139,141,.3); }
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 12px 26px rgba(15,139,141,.4); }
.btn-gold{ background: linear-gradient(135deg, var(--gold), var(--gold-light)); color: var(--navy); box-shadow: 0 8px 20px rgba(200,161,92,.35); }
.btn-gold:hover{ transform: translateY(-2px); }
.btn-outline{ background:transparent; border-color: rgba(255,255,255,.6); color:#fff; }
.btn-outline:hover{ background: rgba(255,255,255,.12); }
.btn-outline-navy{ background:transparent; border-color: var(--navy); color: var(--navy); }
.btn-outline-navy:hover{ background: var(--navy); color:#fff; }
.btn-light{ background:#fff; color: var(--navy); }
.btn-light:hover{ transform: translateY(-2px); box-shadow: 0 12px 26px rgba(0,0,0,.2); }
.btn-block{ width:100%; }
.btn-sm{ padding: 9px 20px; font-size:.85rem; }

/* ---------- Header ---------- */
.topbar{ background: var(--navy); color: #cfe0ea; font-size: .82rem; }
.topbar-inner{ display:flex; align-items:center; justify-content:space-between; padding: 8px 24px; flex-wrap: wrap; gap: 6px; }
.topbar-info span{ margin-right: 18px; }
.topbar-cta a{ color:#fff; opacity:.9; }
.topbar-cta a:hover{ opacity:1; text-decoration: underline; }
.topbar-cta .divider{ margin: 0 10px; opacity:.4; }

.navbar{ background: rgba(255,255,255,.97); border-bottom:1px solid var(--line); position: sticky; top:0; z-index: 999; backdrop-filter: blur(8px); }
.navbar-inner{ display:flex; align-items:center; justify-content:space-between; padding: 12px 24px; gap: 20px; }

.brand{ display:flex; align-items:center; gap:12px; }
.brand-logo{ width:50px; height:50px; object-fit:contain; flex-shrink:0; }
.brand-mark{
  width:44px; height:44px; border-radius: 12px; display:flex; align-items:center; justify-content:center;
  background: linear-gradient(135deg, var(--navy), var(--teal)); color:#fff; font-family: var(--ff-head);
  font-weight:800; letter-spacing:.5px; flex-shrink:0;
}
.brand-text{ display:flex; flex-direction:column; line-height:1.15; }
.brand-text strong{ font-family: var(--ff-head); color: var(--navy); font-size:1.02rem; letter-spacing:.3px; }
.brand-text small{ color: var(--muted); font-size:.72rem; text-transform: uppercase; letter-spacing: .6px; }

.primary-nav{ display:flex; align-items:center; gap: 22px; }
.primary-nav ul{ display:flex; align-items:center; gap: 4px; flex-wrap: wrap; }
.primary-nav a{
  display:block; padding: 10px 12px; font-weight:600; font-size:.88rem; color: var(--ink);
  border-radius: 8px; transition: all .2s ease;
}
.primary-nav a:hover, .primary-nav a.active{ color: var(--teal); background: rgba(15,139,141,.08); }
.nav-register{ white-space:nowrap; padding: 10px 22px; }

.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; padding:6px; }
.nav-toggle span{ width:26px; height:2px; background: var(--navy); border-radius:2px; }

/* ---------- Hero ---------- */
.hero{
  position:relative; color:#fff; padding: 120px 0 90px;
  background: radial-gradient(1100px 500px at 15% -10%, rgba(20,184,187,.35), transparent 60%),
              linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 55%, #0a3350 100%);
  overflow:hidden;
}
.hero::after{
  content:""; position:absolute; inset:0;
  background-image: radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,.15) 1px, transparent 1px),
                     radial-gradient(2px 2px at 80% 60%, rgba(255,255,255,.12) 1px, transparent 1px),
                     radial-gradient(1.5px 1.5px at 60% 20%, rgba(255,255,255,.1) 1px, transparent 1px);
  background-size: 260px 260px;
  pointer-events:none;
}
.hero-inner{ position:relative; z-index:2; max-width: 760px; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px; text-transform:uppercase; font-size:.75rem;
  letter-spacing: 1.6px; font-weight:700; color: var(--gold-light); margin-bottom: 18px;
}
.hero h1{ color:#fff; font-size: clamp(2.2rem, 4.4vw, 3.4rem); margin-bottom: .3em; }
.hero .subtitle{ font-size: 1.15rem; color: rgba(255,255,255,.85); margin-bottom: 6px; }
.hero .meta-line{ display:flex; flex-wrap:wrap; gap: 20px; margin: 22px 0 32px; font-weight:600; color:#fff; }
.hero .meta-line span{ display:flex; align-items:center; gap:8px; background: rgba(255,255,255,.1); padding: 8px 16px; border-radius: 999px; font-size:.88rem; }
.hero-actions{ display:flex; flex-wrap:wrap; gap: 14px; }

/* ---------- Minimal self-contained carousel engine (see initHeroCarousel in script.js) ---------- */
.visually-hidden{
  position:absolute !important; width:1px !important; height:1px !important; padding:0 !important;
  margin:-1px !important; overflow:hidden !important; clip:rect(0,0,0,0) !important; white-space:nowrap !important; border:0 !important;
}
.carousel{ position:relative; }
.carousel-inner{
  position:relative; width:100%; overflow:hidden;
  min-height: clamp(520px, 66vh, 720px);
}
.carousel-item{
  position:absolute; inset:0; width:100%; opacity:0; visibility:hidden; pointer-events:none;
  transition: opacity .9s ease, visibility 0s .9s;
}
.carousel-item.active{
  opacity:1; visibility:visible; pointer-events:auto; z-index:1; transition: opacity .9s ease, visibility 0s;
}

/* Prev / next controls - clean minimal style, no chunky box */
.carousel-control-prev, .carousel-control-next{
  position:absolute; top:0; bottom:0; z-index:2; display:flex; align-items:center; justify-content:center;
  width:56px; padding:0; color:#fff; text-align:center; background:none; border:0; cursor:pointer;
  opacity:.85; transition: opacity .2s ease;
}
.carousel-control-prev:hover, .carousel-control-next:hover{ opacity:1; }
.carousel-control-prev{ left:10px; } .carousel-control-next{ right:10px; }
.carousel-control-prev-icon, .carousel-control-next-icon{
  display:inline-flex; align-items:center; justify-content:center; width:2.4rem; height:2.4rem; border-radius:50%;
  background-color: rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.28); position:relative;
  transition: background-color .2s ease, transform .2s ease;
}
.carousel-control-prev:hover .carousel-control-prev-icon,
.carousel-control-next:hover .carousel-control-next-icon{ background-color: rgba(255,255,255,.2); transform: scale(1.06); }
.carousel-control-prev-icon::after, .carousel-control-next-icon::after{
  content:""; position:absolute; top:50%; left:50%; width:9px; height:9px;
  border-top:2px solid #fff; border-right:2px solid #fff;
}
.carousel-control-prev-icon::after{ transform: translate(-25%,-50%) rotate(-135deg); }
.carousel-control-next-icon::after{ transform: translate(-75%,-50%) rotate(45deg); }
.carousel-indicators{
  position:absolute; right:0; bottom:0; left:0; z-index:2; display:flex;
  justify-content:center; align-items:center; gap:8px; padding:0; margin:0 0 1.4rem;
}
.carousel-indicators button{
  padding:0; cursor:pointer; width:9px; height:9px; border-radius:999px;
  background:transparent; border:1.5px solid rgba(255,255,255,.55);
  transition: all .25s ease;
}
.carousel-indicators button.active{
  width:26px; background: var(--gold); border-color: var(--gold);
}

@media (max-width: 768px){
  .carousel-control-prev, .carousel-control-next{ width:42px; }
  .carousel-control-prev{ left:4px; } .carousel-control-next{ right:4px; }
  .carousel-control-prev-icon, .carousel-control-next-icon{ width:2rem; height:2rem; }
  .carousel-control-prev-icon::after, .carousel-control-next-icon::after{ width:7px; height:7px; }
}
@media (max-width: 480px){
  .carousel-control-prev-icon, .carousel-control-next-icon{ width:1.7rem; height:1.7rem; background-color: rgba(255,255,255,.1); }
}

/* ---------- Hero slider (Bootstrap carousel) ---------- */
.hero-slider{
  position:relative; margin-top:0; overflow:hidden; padding: 50px 0;
  min-height: clamp(520px, 66vh, 720px);
  background-color: var(--navy);
  background-image:
    linear-gradient(115deg, rgba(3,29,54,.94) 0%, rgba(3,29,54,.82) 42%, rgba(3,29,54,.55) 68%, rgba(3,29,54,.25) 100%),
    url('https://echoasia2026.in/images/a1.png');
  background-size: cover; background-position: center;
}
.hero-visual{
  position:absolute; top:0; right:0; bottom:0; width:52%;
  display:flex; align-items:center; justify-content:center; pointer-events:none;
}
.hero-visual img{
  width:100%; height:100%; object-fit:cover; object-position:center;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 22%);
  mask-image: linear-gradient(90deg, transparent, #000 22%);
  opacity:.85;
}
@media (max-width: 991px){ .hero-visual{ display:none; } }

.hero-slider .carousel-item{ min-height: clamp(520px, 66vh, 720px); display:flex; align-items:center; }
.hero-slide{ position:relative; z-index:2; width:100%; padding: 90px 0 70px; }
.hero-content{
  max-width: 560px; color:#fff; position:relative;
  background: rgba(6,20,36,.42);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 20px;
  padding: 40px 40px 44px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 25px 60px rgba(0,0,0,.35);
}
.hero-content .logo-row{ display:flex; align-items:center; gap:14px; margin-bottom:26px; flex-wrap:wrap; }
.hero-content .logo-row img{ height:44px; width:auto; background:rgba(255,255,255,.9); border-radius:8px; padding:5px 10px; }
.hero-content h1{ color:#fff; font-size: clamp(1.9rem, 3.6vw, 2.7rem); margin-bottom:.1em; letter-spacing:.5px; }
.hero-content h2{ color: var(--gold-light); font-size: clamp(1.05rem, 2vw, 1.4rem); margin-bottom:.55em; }
.hero-content > p{ color: rgba(255,255,255,.75); font-size:1.02rem; margin-bottom:24px; }
.hero-info{ display:flex; flex-direction:column; gap:12px; margin-bottom:28px; }
.hero-info span{
  display:flex; align-items:center; gap:10px; background: rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14); padding: 11px 16px; border-radius:10px;
  font-size:.9rem; font-weight:600; color: rgba(255,255,255,.92); width:100%;
}
.btn-main{
  display:inline-flex; align-items:center; gap:8px; background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--navy); font-family: var(--ff-head); font-weight:700; padding: 14px 32px; border-radius:999px;
  box-shadow: 0 10px 26px rgba(200,127,36,.4); transition: transform .25s ease, box-shadow .25s ease;
}
.btn-main:hover{ transform: translateY(-3px); box-shadow: 0 14px 32px rgba(200,127,36,.5); }

.hero-slider .carousel-indicators{ bottom: 22px; }

/* Circular about image */
.about-photo-wrap{ position:relative; max-width:440px; margin:0 auto; }
.about-photo-wrap::before{
  content:""; position:absolute; inset:-16px; border-radius:50%;
  background: linear-gradient(135deg, var(--cream), #fff);
  box-shadow: inset 0 0 0 2px rgba(3,29,54,.08);
  z-index:0;
}
.about-photo-wrap img{
  position:relative; z-index:1; width:100%; aspect-ratio:1/1; object-fit:cover; border-radius:50%;
  box-shadow: 0 20px 50px rgba(3,29,54,.2); border: 6px solid #fff;
}

/* Deadline badge */
.card.research-card-dark{
  background: linear-gradient(165deg, var(--navy), var(--navy-2)) !important; border-color: var(--navy) !important;
  box-shadow: 0 20px 45px rgba(3,29,54,.28) !important;
}
.card.research-card-dark:hover{ box-shadow: 0 26px 55px rgba(3,29,54,.36) !important; }
.card .icon.icon-square{ border-radius:14px; background: var(--navy); background-image:none; }

.deadline-badge{
  display:flex; align-items:center; gap:16px; width:100%; background: rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16); border-radius: var(--radius-sm); padding: 16px 20px; margin: 20px 0;
}
.deadline-badge .dot{ font-size:1.8rem; flex-shrink:0; line-height:1; }
.deadline-badge strong{ display:block; font-size:1.25rem; color:#fff; }
.deadline-badge span{ font-size:.8rem; letter-spacing:.3px; color: rgba(255,255,255,.7); }

/* Venue feature badge grid */
.badge-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:14px; margin: 22px 0; }
.badge-grid div{
  display:flex; align-items:center; gap:10px; background:#fff; border:1px solid var(--line);
  border-radius: var(--radius-sm); padding: 12px 14px; font-weight:600; font-size:.88rem; color: var(--ink);
}
.badge-grid div .dot{
  width:32px; height:32px; border-radius:50%; background: rgba(200,127,36,.12); color: var(--gold);
  display:flex; align-items:center; justify-content:center; flex-shrink:0; font-size:1rem;
}
.photo-badge{
  position:absolute; top:18px; left:18px; background:#fff; padding:8px 16px; border-radius:999px;
  font-size:.78rem; font-weight:700; color: var(--navy); box-shadow: var(--shadow); display:flex; align-items:center; gap:6px;
}
.photo-frame{ position:relative; }

.page-hero{
  color:#fff; padding: 78px 0 56px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 60%, #0a3350 100%);
  position:relative;
}
.page-hero .container{ position:relative; z-index:2; }
.page-hero h1{ color:#fff; font-size: clamp(1.9rem, 3.6vw, 2.6rem); margin-bottom:.35em; }
.page-hero p{ color: rgba(255,255,255,.82); max-width: 680px; font-size: 1.05rem; margin-bottom:0; }
.breadcrumb{ font-size:.8rem; text-transform:uppercase; letter-spacing:1.2px; color: var(--gold-light); margin-bottom: 14px; font-weight:700; }

/* ---------- Stat strip ---------- */
.stat-strip{ background:transparent; margin-top:0; margin-bottom:64px; padding-top:64px; position:relative; z-index:5; }
.stat-cards{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.stat-card{
  position:relative; overflow:hidden; text-align:center;
  background: linear-gradient(180deg, #eef4fb 0%, #f5f9fd 100%);
  border:1px solid rgba(3,29,54,.08); border-radius: var(--radius);
  padding: 34px 24px 30px; box-shadow: var(--shadow);
  transition: transform .3s ease, box-shadow .3s ease;
}
.stat-card::before{
  content:""; position:absolute; top:0; left:0; right:0; height:4px;
  background: linear-gradient(90deg, var(--navy), var(--teal), var(--gold));
}
.stat-card:hover{ transform: translateY(-6px); box-shadow: var(--hover-shadow); }
.stat-card .stat-icon{
  width:68px; height:68px; border-radius:50%; background: var(--navy); color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:1.7rem; margin: 0 auto 18px;
}
.stat-card h5{ color: #1a2b6b; font-size:.76rem; text-transform:uppercase; letter-spacing:1.2px; margin-bottom:10px; font-family: var(--ff-body); font-weight:800; }
.stat-card .stat-value{ font-family: var(--ff-head); font-size:1.45rem; color: #1b5faa; font-weight:800; margin-bottom:10px; }
.stat-card .stat-sub{ color: var(--muted); font-size:.9rem; margin:0; }

/* ---------- Sections ---------- */
section{ padding: 84px 0; }
.section-soft{ background: var(--bg-soft); }
.section-navy{ background: linear-gradient(135deg, var(--navy), var(--navy-2)); color:#fff; }
.section-navy h2, .section-navy h3{ color:#fff; }
.section-navy p{ color: rgba(255,255,255,.78); }

.section-head{ max-width: 720px; margin: 0 0 46px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.kicker{
  display:inline-block; text-transform:uppercase; font-size:.75rem; letter-spacing: 1.6px;
  font-weight:700; color: var(--gold); margin-bottom: 10px;
}
.section-navy .kicker{ color: var(--gold-light); }
.section-head h2{ font-size: clamp(1.7rem, 3vw, 2.3rem); margin-bottom:.4em; }

.two-col{ display:grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items:center; }
.two-col img{ border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.feature-list{ display:grid; gap: 10px; margin: 22px 0; }
.feature-list li{ display:flex; align-items:center; gap:10px; font-weight:600; color: var(--ink); }
.feature-list li::before{ content:"✓"; width:24px; height:24px; border-radius:50%; background: rgba(15,139,141,.12); color: var(--teal); display:flex; align-items:center; justify-content:center; font-size:.75rem; flex-shrink:0; }

/* ---------- About section (textured bg + card) ---------- */
.about-section{
  position:relative; overflow:hidden;
  background:
    radial-gradient(circle at 8% 18%, rgba(3,29,54,.10), transparent 22%),
    radial-gradient(circle at 92% 82%, rgba(200,127,36,.16), transparent 24%),
    linear-gradient(135deg, #f7fbff 0%, #ffffff 48%, #fff8e4 100%);
}
.about-card{
  background: linear-gradient(180deg, #eef4fb 0%, #f7fafd 100%);
  border-radius: 24px; padding: 46px 44px; box-shadow: 0 20px 50px rgba(3,29,54,.08);
}
.about-feature-list{ display:grid; gap: 14px; margin: 26px 0; }
.about-feature-list li{
  display:flex; align-items:center; gap:14px; background: rgba(255,255,255,.75);
  border-left: 3px solid var(--navy); border-radius: 10px; padding: 15px 20px;
  font-weight:700; color: var(--ink); box-shadow: 0 4px 14px rgba(3,29,54,.05);
}
.about-feature-list li .ic{
  width:34px; height:34px; border-radius:8px; background: rgba(200,127,36,.15); color: var(--gold);
  display:flex; align-items:center; justify-content:center; flex-shrink:0; font-size:1rem;
}
@media (max-width: 640px){
  .about-card{ padding: 32px 26px; }
}

/* ---------- Cards / Grids ---------- */
.grid{ display:grid; gap: 26px; }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
.research-grid{ grid-template-columns: 1.2fr 1fr 1fr; align-items:stretch; }

.card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow); transition: transform .3s ease, box-shadow .3s ease; overflow:hidden;
}
.card:hover{ transform: translateY(-6px); box-shadow: var(--hover-shadow); }
.card .icon{
  width:52px; height:52px; border-radius:14px; display:flex; align-items:center; justify-content:center;
  background: linear-gradient(135deg, var(--teal), var(--teal-light)); color:#fff; font-size:1.3rem; margin-bottom:16px;
  transition: none;
}
.card h3, .card h4{ margin-bottom:8px; }
.card ul{ margin-top: 10px; }
.card ul li{ position:relative; padding-left: 18px; margin-bottom:6px; color: var(--muted); font-size:.92rem; }
.card ul li::before{ content:"—"; position:absolute; left:0; color: var(--teal); }
.card img{ transition: transform .4s ease; }
.card:hover img{ transform: scale(1.05); }

.highlight-card{
  --hl-color: var(--gold);
  position:relative; overflow:hidden; text-align:left;
  border-top: 3px solid var(--hl-color); border-left-color: var(--line); border-right-color: var(--line); border-bottom-color: var(--line);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.highlight-card::after{
  content:""; position:absolute; top:-24px; right:-24px; width:100px; height:100px; border-radius:50%;
  background: var(--hl-color); opacity:.08; pointer-events:none; transition: opacity .3s ease, transform .3s ease;
}
.highlight-card:hover{ border-color: var(--hl-color); }
.highlight-card:hover::after{ opacity:.14; transform: scale(1.15); }
.highlight-card .icon{
  color:#fff; background: var(--hl-color); box-shadow: 0 8px 18px rgba(0,0,0,.12);
  transition: transform .3s ease, box-shadow .3s ease;
}
.highlight-card:hover .icon{ transform: scale(1.08); box-shadow: 0 10px 22px rgba(0,0,0,.2); }
.highlight-card h4{ position:relative; z-index:1; }
.highlight-card ul{ position:relative; z-index:1; }
.highlight-card ul li{ padding-left:22px; }
.highlight-card ul li::before{
  content:"✓"; position:absolute; left:0; top:1px; width:15px; height:15px; border-radius:50%;
  background: var(--hl-color); color:#fff; font-size:.55rem; font-weight:800;
  display:flex; align-items:center; justify-content:center;
}
.highlight-card:nth-of-type(6n+1){ --hl-color: #2f6fed; }
.highlight-card:nth-of-type(6n+2){ --hl-color: #17a2b8; }
.highlight-card:nth-of-type(6n+3){ --hl-color: #f0932b; }
.highlight-card:nth-of-type(6n+4){ --hl-color: #7c5cff; }
.highlight-card:nth-of-type(6n+5){ --hl-color: #12b76a; }
.highlight-card:nth-of-type(6n+6){ --hl-color: #e64980; }

/* People / faculty cards */
.people-grid{ display:grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 22px; }
.person-card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius); overflow:hidden; text-align:center;
  box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .2s ease;
}
.person-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.person-photo{
  width:100%; aspect-ratio: 1/1; background: linear-gradient(135deg, var(--bg-soft), #eef2f7);
  display:flex; align-items:center; justify-content:center; font-family: var(--ff-head); font-weight:700;
  font-size:1.4rem; color: var(--navy); overflow:hidden;
}
.person-photo img{ width:100%; height:100%; object-fit:cover; }
.person-info{ padding: 14px 10px 18px; }
.person-info strong{ display:block; font-family: var(--ff-head); font-size:.9rem; color: var(--navy); margin-bottom:2px; }
.person-info span{ font-size:.76rem; color: var(--teal); font-weight:600; text-transform:uppercase; letter-spacing:.4px; }

/* Committee list */
.committee-block{ margin-bottom: 40px; }
.committee-block h3{ font-size:1.15rem; border-bottom: 2px solid var(--line); padding-bottom:10px; margin-bottom:18px; display:flex; align-items:center; gap:10px; }
.committee-block h3::before{ content:""; width:6px; height: 22px; background: linear-gradient(180deg, var(--teal), var(--gold)); border-radius:4px; }
.name-pills{ display:flex; flex-wrap:wrap; gap: 10px; }
.name-pills span{
  background: var(--bg-soft); border:1px solid var(--line); padding: 9px 16px; border-radius: 999px;
  font-size:.87rem; font-weight:600; color: var(--ink);
}

/* Timeline / accordion for program */
.accordion-item{ border:1px solid var(--line); border-radius: var(--radius); margin-bottom: 14px; overflow:hidden; background:#fff; }
.accordion-header{
  display:flex; align-items:center; justify-content:space-between; width:100%; text-align:left;
  padding: 18px 22px; background:#fff; border:0; cursor:pointer; font-family: var(--ff-head); font-weight:600;
  font-size: 1rem; color: var(--navy);
}
.accordion-header .plus{ font-size:1.3rem; color: var(--teal); transition: transform .25s ease; }
.accordion-item.open .accordion-header .plus{ transform: rotate(45deg); }
.accordion-panel{ max-height:0; overflow:hidden; transition: max-height .3s ease; padding: 0 22px; }
.accordion-item.open .accordion-panel{ max-height: 900px; padding-bottom: 20px; }
.accordion-panel ul li{ position:relative; padding-left:18px; margin-bottom:8px; color: var(--muted); font-size:.93rem; }
.accordion-panel ul li::before{ content:"—"; position:absolute; left:0; color: var(--teal); }

/* Table */
.table-wrap{ overflow-x:auto; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--line); }
table{ width:100%; border-collapse: collapse; background:#fff; min-width: 640px; }
thead th{ background: var(--navy); color:#fff; text-align:left; padding: 14px 16px; font-family: var(--ff-head); font-size:.85rem; letter-spacing:.3px; }
tbody td{ padding: 14px 16px; border-bottom: 1px solid var(--line); font-size:.9rem; color: var(--ink); vertical-align: top; }
tbody tr:last-child td{ border-bottom:0; }
tbody tr:nth-child(even){ background: var(--bg-soft); }
.pill-tag{ display:inline-block; background: rgba(15,139,141,.1); color: var(--teal); font-weight:700; font-size:.72rem; padding:3px 10px; border-radius: 999px; margin-bottom:4px; }

/* Pricing */
.price-card{ background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; text-align:center; box-shadow: var(--shadow); position:relative; }
.price-card.featured{ border-color: var(--teal); box-shadow: 0 20px 45px rgba(15,139,141,.18); }
.price-card .badge{ position:absolute; top:-12px; left:50%; transform:translateX(-50%); background: var(--teal); color:#fff; font-size:.7rem; font-weight:700; padding:5px 14px; border-radius:999px; letter-spacing:.4px; }
.price-card h4{ font-size:.85rem; text-transform:uppercase; letter-spacing:1px; color: var(--muted); margin-bottom:10px; }
.price-card .amount{ font-family: var(--ff-head); font-size:2rem; font-weight:800; color: var(--navy); margin-bottom:4px; }
.price-card .period{ font-size:.8rem; color: var(--muted); margin-bottom:18px; }
.price-card ul{ text-align:left; margin: 0 0 22px; }
.price-card ul li{ padding: 8px 0; border-bottom: 1px dashed var(--line); font-size:.88rem; color: var(--muted); display:flex; gap:8px; }
.price-card ul li::before{ content:"✓"; color: var(--teal); font-weight:700; }

.reg-table thead th:not(:first-child), .reg-table tbody td:not(:first-child){ text-align:center; }

/* CTA band */
.cta-band{ background: linear-gradient(135deg, var(--teal), var(--navy)); color:#fff; padding: 46px 0; }
.cta-band-inner{ display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap; }
.cta-band h2{ color:#fff; margin-bottom:.2em; font-size:1.5rem; }
.cta-band p{ color: rgba(255,255,255,.85); margin:0; }

/* Contact */
.contact-grid{ display:grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items:start; }
.contact-card{ background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); margin-bottom: 20px; }
.contact-card h4{ display:flex; align-items:center; gap:10px; margin-bottom:10px; }
.contact-card .tag{ background: rgba(200,161,92,.15); color:#8a6a26; font-size:.7rem; font-weight:700; text-transform:uppercase; padding:3px 10px; border-radius:999px; letter-spacing:.4px; }

/* Contact info grid (icon + title + text, 4-up) */
.contact-info-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 36px; text-align:center; }
.contact-info-grid .ci-icon{
  width:84px; height:84px; border-radius:50%; background: rgba(15,139,141,.12); color: var(--teal);
  display:flex; align-items:center; justify-content:center; font-size:2rem; margin: 0 auto 20px;
  transition: transform .3s ease, background-color .3s ease;
}
.contact-info-grid > div:hover .ci-icon{ background: var(--teal); color:#fff; transform: translateY(-4px); }
.contact-info-grid h5{ font-size:1.05rem; margin-bottom:8px; color: var(--ink); font-weight:700; }
.contact-info-grid p{ font-size:.9rem; margin-bottom:0; color: var(--muted); }
.contact-info-grid p a{ color: var(--muted); }
.contact-info-grid p a:hover{ color: var(--teal); }
@media (max-width: 860px){
  .contact-info-grid{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px){
  .contact-info-grid{ grid-template-columns: 1fr; }
}

.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full{ grid-column: 1 / -1; }
label{ display:block; font-weight:600; font-size:.85rem; color: var(--navy); margin-bottom:6px; }
input[type=text], input[type=email], input[type=tel], select, textarea{
  width:100%; padding: 13px 15px; border-radius: var(--radius-sm); border:1.5px solid var(--line);
  font-family: var(--ff-body); font-size:.95rem; color: var(--ink); background:#fbfcfe; transition: border-color .2s ease;
}
input:focus, select:focus, textarea:focus{ outline:none; border-color: var(--teal); background:#fff; }
textarea{ resize: vertical; min-height: 130px; }
.form-note{ font-size:.82rem; color: var(--muted); margin-top: 10px; }
.alert{ padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size:.9rem; font-weight:600; }
.alert-success{ background: rgba(15,139,141,.1); color: var(--teal); border:1px solid rgba(15,139,141,.3); }
.alert-error{ background: rgba(200,60,60,.08); color: #b93b3b; border:1px solid rgba(200,60,60,.25); }

.map-wrap{ border-radius: var(--radius); overflow:hidden; box-shadow: var(--shadow); border:1px solid var(--line); }
.map-wrap iframe{ width:100%; height: 360px; border:0; display:block; }

/* Countdown */
.countdown{ display:flex; gap: 14px; flex-wrap:wrap; margin: 24px 0; }
.countdown div{ background: rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.18); border-radius: var(--radius-sm); padding: 14px 20px; text-align:center; min-width:90px; }
.countdown .num{ font-family: var(--ff-head); font-size:1.6rem; font-weight:800; color: var(--gold-light); }
.countdown .lbl{ font-size:.72rem; text-transform:uppercase; letter-spacing:1px; color: rgba(255,255,255,.7); }

/* Welcome section: countdown card + resource cards */
.welcome-side{ display:grid; gap: 20px; }
.countdown-card{
  background: linear-gradient(160deg, var(--navy), var(--navy-2)); color:#fff;
  border-radius: var(--radius); padding: 30px 26px; text-align:center; box-shadow: var(--shadow-lg);
}
.countdown-card h4{ color:#fff; margin-bottom:20px; font-size:1.05rem; }
.countdown-card .countdown{ justify-content:center; margin: 0; }
.countdown-card .countdown div{ background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.16); flex:1; min-width:72px; }
.countdown-card .countdown .num{ color:#fff; }
.countdown-card .countdown .lbl{ color: rgba(255,255,255,.65); }

.resource-card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 28px 24px;
  text-align:center; box-shadow: var(--shadow); transition: transform .3s ease, box-shadow .3s ease;
}
.resource-card:hover{ transform: translateY(-6px); box-shadow: var(--hover-shadow); }
.resource-card .r-icon{
  width:52px; height:52px; margin:0 auto 16px; border-radius:12px; background: rgba(3,29,54,.08);
  color: var(--navy); display:flex; align-items:center; justify-content:center; font-size:1.5rem;
}
.resource-card h5{ margin-bottom:18px; color: var(--navy); font-size:1rem; font-weight:700; }

/* Footer */
.site-footer{ background: var(--navy); color: rgba(255,255,255,.75); padding-top: 60px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 36px; padding-bottom: 40px; }
.footer-col h4{ color:#fff; font-size:1rem; margin-bottom: 16px; }
.footer-col ul li{ margin-bottom: 10px; }
.footer-col a:hover{ color: var(--gold-light); }
.footer-brand p{ color: rgba(255,255,255,.6); font-size:.88rem; margin-top: 14px; }
.brand-footer .brand-text strong{ color:#fff; }
.brand-footer .brand-text small{ color: rgba(255,255,255,.6); }
.footer-col p{ color: rgba(255,255,255,.65); font-size:.88rem; }
.footer-col a{ color: rgba(255,255,255,.75); }
.footer-bottom{ border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0; margin-top: 10px; }
.footer-bottom-inner{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; font-size:.8rem; }

.back-to-top{
  position:fixed; right:22px; bottom:22px; width:46px; height:46px; border-radius:50%;
  background: var(--teal); color:#fff; display:flex; align-items:center; justify-content:center;
  box-shadow: var(--shadow-lg); font-size:1.2rem; opacity:0; visibility:hidden; transform: translateY(10px);
  transition: all .25s ease; z-index: 998;
}
.back-to-top.show{ opacity:1; visibility:visible; transform:none; }

/* Utilities */
.text-center{ text-align:center; }
.mt-0{ margin-top:0; }
.mb-0{ margin-bottom:0; }
.badge-soft{ display:inline-block; background: rgba(15,139,141,.1); color: var(--teal); font-weight:700; font-size:.75rem; padding: 5px 14px; border-radius: 999px; margin-bottom: 14px; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px){
  .stat-cards{ grid-template-columns: repeat(2,1fr); }
  .grid-4{ grid-template-columns: repeat(2,1fr); }
  .grid-3{ grid-template-columns: repeat(2,1fr); }
  .research-grid{ grid-template-columns: 1fr 1fr; }
  .two-col{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .about-photo-wrap{ max-width:340px; }
}
@media (max-width: 760px){
  .research-grid{ grid-template-columns: 1fr; }
}
@media (max-width: 860px){
  .nav-toggle{ display:flex; }
  .primary-nav{
    position:absolute; top:100%; left:0; right:0; background:#fff; flex-direction:column; align-items:stretch;
    padding: 14px 24px 24px; box-shadow: var(--shadow-lg); border-bottom: 1px solid var(--line);
    max-height:0; overflow:hidden; transition: max-height .3s ease; gap: 0;
  }
  .primary-nav.open{ max-height: 640px; }
  .primary-nav ul{ flex-direction:column; align-items:stretch; gap:0; }
  .primary-nav a{ padding: 12px 6px; border-bottom: 1px solid var(--line); border-radius:0; }
  .nav-register{ margin-top: 14px; }
  .topbar-info span:last-child{ display:none; }
}
@media (max-width: 640px){
  .grid-4, .grid-3, .grid-2{ grid-template-columns: 1fr; }
  .stat-cards{ grid-template-columns: 1fr 1fr; }
  .form-grid{ grid-template-columns: 1fr; }
  section{ padding: 56px 0; }
  .hero{ padding: 96px 0 70px; }
  .cta-band-inner{ text-align:center; justify-content:center; }
  .badge-grid{ grid-template-columns: 1fr; }
  .hero-slide{ padding: 60px 0 50px; }
  .hero-content{ padding: 26px 22px 30px; border-radius:16px; }
  .hero-content .logo-row img{ height:34px; }
  .hero-info span{ font-size:.8rem; padding:9px 14px; }
  .container, .container-sm, .container-md, .container-lg, .container-xl, .container-xxl{ padding: 0 18px; }
}
@media (max-width: 420px){
  .stat-cards{ grid-template-columns: 1fr; }
  .hero-content h1{ font-size: 1.9rem; }
  .brand-text small{ display:none; }
  .topbar-inner{ font-size:.72rem; }
}
@supports (padding: max(0px)){
  .site-header{ padding-top: env(safe-area-inset-top); }
  .back-to-top{ bottom: max(22px, env(safe-area-inset-bottom)); }
}