:root{
  --navy:#103A68;
  --aqua:#3CC4D0;
  --coral:#FF3F5A;
  --yellow:#FFCA1A;
  --peach:#E2B19F;
  --pale:#DDF4F7;
  --teal:#289BA9;
  --text:#17344A;
  --muted:#617789;
  --shadow:0 18px 42px rgba(16,58,104,.10);
  --soft-shadow:0 10px 24px rgba(16,58,104,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;
  color:var(--text);
  background:#CDEFF5;
}
a{text-decoration:none;color:inherit}
h1,h2,h3{font-family:"Baloo 2", Inter, sans-serif;margin:0;line-height:.95}
.wrap{width:min(1160px, calc(100% - 30px)); margin:auto}

.topbar{
  position:sticky; top:0; z-index:20;
  margin-top:16px; margin-bottom:18px;
  display:flex; align-items:center; justify-content:space-between; gap:18px;
  padding:14px 18px;
  background:rgba(255,255,255,.82);
  backdrop-filter: blur(12px);
  border-radius:24px;
  box-shadow:var(--soft-shadow);
}
.brand{display:flex; align-items:center; gap:12px}
.brand-logo{
  width:52px; height:52px; object-fit:contain; border-radius:50%;
  background:white; border:3px solid white; box-shadow:0 8px 20px rgba(16,58,104,.12);
}
.brand-school{font-weight:800; font-size:15px; color:var(--navy)}
.brand-city{font-size:12px; color:var(--teal); margin-top:2px}
.nav{display:flex; gap:18px; font-weight:700; color:var(--navy)}
.nav a{padding:10px 14px; border-radius:999px}
.nav a:hover{background:rgba(60,196,208,.12)}
.menu-btn{display:none; border:0; background:var(--navy); color:white; border-radius:14px; padding:10px 12px; font-size:20px}

.panel{background:rgba(255,255,255,.9); border-radius:36px; box-shadow:var(--shadow)}

.hero{
  display:grid; grid-template-columns:1.15fr .85fr; gap:28px;
  padding:34px;
}
.hero-left{padding:12px 8px 20px}
.mini-badge{
  display:inline-flex; font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  font-weight:800; color:var(--navy); background:white; border-radius:999px;
  padding:10px 14px; box-shadow:var(--soft-shadow);
}
.poster-title{margin-top:18px}
.poster-title .line2{
  display:block; font-size:clamp(66px, 9vw, 108px); color:var(--navy);
  text-shadow:-3px -3px 0 #fff, 3px -3px 0 #fff, -3px 3px 0 #fff, 3px 3px 0 #fff;
}
.event-ribbon{
  display:inline-flex; margin-top:16px; background:var(--navy); color:white;
  font-family:"Baloo 2"; font-size:28px; padding:10px 24px 12px; border-radius:999px;
}
.date-pill{
  display:inline-flex; margin-top:18px; background:#fff; color:var(--navy);
  border-radius:18px; padding:12px 16px; font-weight:800; box-shadow:var(--soft-shadow);
}
.hero-copy{margin:18px 0 0; max-width:620px; color:var(--muted); font-size:18px; line-height:1.7}
.hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin-top:24px}
.primary-btn,.secondary-btn{display:inline-flex; padding:14px 18px; border-radius:18px; font-weight:800; box-shadow:var(--soft-shadow)}
.primary-btn{background:var(--navy); color:white}
.secondary-btn{background:white; color:var(--navy)}

.hero-right{display:flex; align-items:center; justify-content:center}
.season-card{
  background:linear-gradient(180deg,#fff,#f4fbfd); border-radius:28px;
  padding:18px; width:min(100%, 410px); box-shadow:var(--soft-shadow);
}
.season-label{
  display:inline-flex; padding:8px 12px; border-radius:999px; background:#edf8fb;
  color:var(--teal); font-weight:800; font-size:12px; letter-spacing:.08em; text-transform:uppercase;
}
.season-scene{margin-top:14px; border-radius:24px; overflow:hidden; background:#eaf7fa}
.season-scene img{width:100%; aspect-ratio:4/3; object-fit:cover; display:block}
.season-card p{margin:14px 4px 0; color:var(--muted); line-height:1.6; font-size:14px}

.intro-strip{display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin:26px 0 34px}
.mini-fact{background:white; border-radius:24px; padding:16px 18px; box-shadow:var(--soft-shadow); display:flex; flex-direction:column; gap:5px}
.mini-fact strong{color:var(--navy); font-size:16px}
.mini-fact span{color:var(--muted); font-size:14px}

.section-head{display:flex; justify-content:space-between; align-items:end; gap:24px; margin:8px 0 18px}
.section-kicker{color:var(--teal); text-transform:uppercase; letter-spacing:.14em; font-weight:900; font-size:12px}
.section-head h2,.week-block h2,.trail-highlight h2,.faq-block h2{font-size:clamp(36px,5vw,58px); color:var(--navy); margin-top:6px}
.section-head p{max-width:420px; color:var(--muted)}

.card-grid{display:grid; grid-template-columns:repeat(12,1fr); gap:18px; margin-bottom:34px}
.event-card{
  grid-column:span 4; background:#fff; border:0; border-radius:34px;
  overflow:hidden; text-align:left; box-shadow:var(--shadow); cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease; padding:0; position:relative;
}
.event-card:hover{transform:translateY(-5px); box-shadow:0 22px 48px rgba(16,58,104,.14)}
.card-top{padding:18px 18px 0}
.audience{
  display:inline-flex; padding:8px 10px; border-radius:999px; background:#edf8fb;
  color:var(--teal); text-transform:uppercase; font-size:10px; letter-spacing:.14em; font-weight:900;
}
.card-visual-wrap{padding:10px 18px 0}
.card-visual{height:158px; border-radius:26px; overflow:hidden; background:#eaf7fa}
.card-visual img{width:100%; height:100%; object-fit:cover; display:block}
.card-body{padding:16px 18px 22px}
.event-card h3{font-size:30px; color:var(--navy)}
.event-card p{margin:8px 0 0; color:var(--muted); line-height:1.6; font-size:14px}
.card-arrow{
  position:absolute; right:18px; bottom:18px; width:42px; height:42px; border-radius:50%;
  background:var(--navy); color:white; display:grid; place-items:center; font-size:18px;
}

.week-block{padding:34px; margin-bottom:34px}
.timeline{display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:24px}
.timeline article{background:#f7fcfd; border-radius:26px; padding:22px; box-shadow:var(--soft-shadow)}
.date-chip{display:inline-flex; padding:8px 12px; border-radius:12px; background:var(--yellow); color:var(--navy); font-weight:900; margin-bottom:14px}
.timeline h3{font-size:24px; color:var(--navy)}
.timeline p{color:var(--muted); line-height:1.6; font-size:14px}

.trail-highlight{padding:34px; margin-bottom:34px; display:grid; grid-template-columns:1.15fr .85fr; gap:24px; align-items:center}
.trail-copy p{margin-top:14px; color:var(--muted); line-height:1.7; font-size:16px}
.symbol-board{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
.symbol-board span{aspect-ratio:1; border-radius:24px; display:grid; place-items:center; font-size:42px; background:#fff; box-shadow:var(--soft-shadow)}

.faq-block{padding:34px; margin-bottom:50px}
details{background:#f8fcfd; border-radius:20px; padding:0 18px; box-shadow:var(--soft-shadow); margin-top:14px}
summary{list-style:none; cursor:pointer; padding:18px 0; font-weight:800; color:var(--navy)}
details p{margin:0; padding:0 0 18px; color:var(--muted); line-height:1.7}

.footer{background:#0A2F55; color:white; padding:28px 0 36px; margin-top:24px}
.footer-inner{display:flex; justify-content:space-between; align-items:center; gap:18px}
.footer p{margin:4px 0 0; color:#c3dde7}
.footer a{color:#DDF4F7; font-weight:700}

dialog{border:0; padding:0; width:min(860px, calc(100% - 24px)); max-height:90vh; border-radius:32px; overflow:auto; box-shadow:0 28px 70px rgba(0,0,0,.25)}
dialog::backdrop{background:rgba(7,26,42,.55); backdrop-filter:blur(5px)}
.dialog-close{position:sticky; float:right; top:16px; margin:16px 16px -40px 0; z-index:2; width:44px; height:44px; border-radius:50%; border:0; background:#fff; color:var(--navy); font-size:28px; cursor:pointer}
.dialog-hero{height:230px; overflow:hidden; background:#eaf7fa}
.dialog-hero img{width:100%; height:100%; object-fit:cover; display:block}
.dialog-body{padding:26px 30px 30px}
.dialog-topline{display:flex; gap:10px; flex-wrap:wrap}
.dialog-label,.dialog-tag{display:inline-flex; padding:8px 10px; border-radius:999px; font-size:10px; letter-spacing:.14em; text-transform:uppercase; font-weight:900}
.dialog-label{background:#edf8fb; color:var(--teal)}
.dialog-tag{background:#fff2c4; color:var(--navy)}
.dialog-body h2{font-size:44px; color:var(--navy); margin-top:12px}
.dialog-lede{color:var(--muted); font-size:18px; line-height:1.7}
.info-block{margin-top:18px; background:#f4fafc; padding:18px; border-radius:20px}
.info-block h3{font-size:22px; color:var(--navy); margin-bottom:8px}
.info-block p,.info-block li{color:#5e7484; line-height:1.7}
.info-block ul{margin:8px 0 0; padding-left:20px}

@media(max-width:980px){
  .hero,.trail-highlight{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr 1fr}
  .event-card{grid-column:span 6}
}
@media(max-width:760px){
  .nav{display:none}
  .menu-btn{display:block}
  .menu-open .nav{
    display:flex; position:absolute; top:84px; right:16px; left:16px;
    background:white; border-radius:20px; padding:14px; box-shadow:var(--soft-shadow); justify-content:center;
  }
  .intro-strip{grid-template-columns:1fr}
  .section-head{flex-direction:column; align-items:flex-start}
}
@media(max-width:640px){
  .topbar{padding:12px 14px}
  .brand-logo{width:46px; height:46px}
  .brand-school{font-size:13px}
  .brand-city{font-size:11px}
  .hero{padding:20px}
  .poster-title .line2{font-size:60px}
  .event-ribbon{font-size:22px}
  .hero-copy{font-size:16px}
  .event-card{grid-column:1 / -1}
  .week-block,.trail-highlight,.faq-block{padding:22px}
  .timeline{grid-template-columns:1fr}
  .dialog-body{padding:22px}
  .dialog-body h2{font-size:36px}
}