/* ============================================
   BNR School Bhojudih — shared stylesheet
   Theme: institutional navy + railway gold
   ============================================ */

:root{
  --navy: #0a2647;
  --navy-2: #123a63;
  --navy-3: #17497f;
  --gold: #c9932e;
  --gold-light: #e8c069;
  --maroon: #7a2331;
  --cream: #faf7ef;
  --paper: #ffffff;
  --ink: #1d2126;
  --muted: #5c6470;
  --line: #e3ddcb;
  --radius: 10px;
  --shadow: 0 6px 24px rgba(10,38,71,0.10);
  --font-head: "Fraunces", Georgia, serif;
  --font-body: "IBM Plex Sans", "Segoe UI", Arial, sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--cream);
  line-height:1.65;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:var(--font-head);
  color:var(--navy);
  line-height:1.2;
  margin:0 0 .5em;
}
h1{font-size:clamp(1.7rem, 1.1rem + 3vw, 2.4rem);font-weight:600;}
h2{font-size:clamp(1.4rem, 1rem + 1.6vw, 1.85rem);font-weight:600;}
h3{font-size:1.3rem;font-weight:600;}
p{margin:0 0 1em;color:var(--ink);}
.container{max-width:1140px;margin:0 auto;padding:0 20px;}
.section{padding:56px 0;}
.section-tight{padding:32px 0;}
.section-alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-body);font-size:.78rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:10px;
}
.eyebrow::before{
  content:"";width:22px;height:2px;background:var(--gold);display:inline-block;
}
.lead{font-size:1.1rem;color:var(--muted);max-width:60ch;}

/* ---------- Wheel motif (signature element) ---------- */
.wheel-divider{
  display:flex;align-items:center;justify-content:center;gap:14px;margin:38px 0;
}
.wheel-divider::before,.wheel-divider::after{
  content:"";height:1px;flex:1;background:var(--line);
}
.wheel{
  width:34px;height:34px;border-radius:50%;
  border:2px solid var(--gold);position:relative;flex-shrink:0;
}
.wheel::before{
  content:"";position:absolute;inset:6px;border-radius:50%;border:1px solid var(--gold-light);
}
.wheel::after{
  content:"";position:absolute;top:50%;left:50%;width:2px;height:22px;
  background:var(--gold);transform:translate(-50%,-50%);
  box-shadow: 11px 0 0 var(--gold), -11px 0 0 var(--gold),
              0 11px 0 var(--gold), 0 -11px 0 var(--gold);
}

/* ---------- Top info bar ---------- */
.topbar{
  background:var(--navy);color:#dfe8f2;font-size:.82rem;
}
.topbar .container{
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  padding-top:8px;padding-bottom:8px;
}
.topbar-codes{display:flex;flex-wrap:wrap;gap:6px 20px;}
.topbar-codes span b{color:var(--gold-light);font-weight:600;}
.topbar-right{display:flex;align-items:center;gap:14px;}
.topbar-right a{display:flex;align-items:center;gap:6px;color:#dfe8f2;}
.topbar-right a:hover{color:var(--gold-light);}
.division-badge{
  background:var(--gold);color:var(--navy);font-weight:700;
  padding:2px 10px;border-radius:20px;font-size:.75rem;letter-spacing:.03em;
}

/* ---------- Header / nav ---------- */
header.site-header{
  background:var(--paper);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;box-shadow:0 1px 0 rgba(0,0,0,.02);
}
.brand-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;gap:16px;
}
.brand{display:flex;align-items:center;gap:14px;}
.crest{
  width:60px;height:60px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.crest img{width:100%;height:100%;object-fit:contain;}
.brand-text .name-current{font-family:var(--font-head);font-size:1.3rem;color:var(--navy);font-weight:700;display:block;}
.brand-text .name-former{font-size:.78rem;color:var(--muted);display:block;margin-top:2px;}

.header-right{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.railway-logo{width:52px;height:52px;object-fit:contain;flex-shrink:0;}
.cbse-logo{height:52px;width:auto;object-fit:contain;flex-shrink:0;}

nav.main-nav{background:var(--navy);}
nav.main-nav ul{
  list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;
}
nav.main-nav > .container{position:relative;}
nav.main-nav ul li{position:relative;}
nav.main-nav a{
  display:block;padding:14px 16px;color:#e8ecf1;font-size:.9rem;font-weight:500;
  white-space:nowrap;
}
nav.main-nav a:hover, nav.main-nav a.active{
  background:var(--navy-2);color:var(--gold-light);
}
.submenu{
  display:none;position:absolute;top:100%;left:0;background:var(--paper);
  min-width:190px;box-shadow:var(--shadow);border:1px solid var(--line);z-index:60;
}
li.has-sub:hover .submenu{display:block;}
.main-nav .submenu a{color:var(--ink) !important;padding:12px 16px;border-bottom:1px solid var(--line);}
.main-nav .submenu a:hover{background:var(--cream);color:var(--navy) !important;}
.main-nav .submenu a::after{display:none;}
.nav-toggle{
  display:none;background:none;border:0;color:var(--navy);font-size:1.6rem;
  width:44px;height:44px;align-items:center;justify-content:center;cursor:pointer;
  flex-shrink:0;border-radius:6px;transition:transform .25s ease, background-color .2s ease;
}
.nav-toggle:hover{background:var(--cream);}

/* ---------- Hero ---------- */
.hero{
  background:linear-gradient(160deg, var(--navy) 0%, var(--navy-3) 100%);
  color:#fff;padding:64px 0;position:relative;overflow:hidden;
}
.hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;}
.hero h1{color:#fff;font-size:2.6rem;}
.hero p.lead{color:#c9d4e2;}
.hero-photo{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:3px solid rgba(255,255,255,.15);}
.hero-photo img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.hero-actions{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:6px;
  font-weight:600;font-size:.92rem;border:2px solid transparent;cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(10,38,71,.18);}
.btn:active{transform:translateY(0);}
.btn-gold{background:var(--gold);color:var(--navy);}
.btn-gold:hover{background:var(--gold-light);}
.btn-outline{border-color:rgba(255,255,255,.5);color:#fff;}
.btn-outline:hover{border-color:#fff;}
.btn-navy{background:var(--navy);color:#fff;}
.btn-navy:hover{background:var(--navy-2);}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:24px;}
.grid > *{min-width:0;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:0 2px 10px rgba(10,38,71,.05);
  transition:transform .28s ease, box-shadow .28s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(10,38,71,.14);}
.card img{transition:transform .5s ease;}
.card:hover img{transform:scale(1.05);}
.card .card-body{padding:18px 20px;}
.card h3{margin-bottom:6px;font-size:1.1rem;}
.card .tag{
  display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.05em;color:var(--maroon);margin-bottom:8px;
}

/* ---------- Info strip (codes plaque) ---------- */
.info-plaque{
  background:var(--paper);border:1px solid var(--line);border-left:5px solid var(--gold);
  border-radius:8px;padding:22px 26px;box-shadow:var(--shadow);
}
.info-plaque .grid{grid-template-columns:repeat(3,1fr);gap:18px;}
.info-plaque .stat b{display:block;color:var(--navy);font-family:var(--font-head);font-size:1.15rem;}
.info-plaque .stat span{font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;}

/* ---------- Notice board ---------- */
.notice-list{list-style:none;margin:0;padding:0;}
.notice-list li{
  display:flex;gap:16px;align-items:flex-start;padding:16px 0;border-bottom:1px dashed var(--line);
}
.notice-date{
  background:var(--navy);color:#fff;border-radius:8px;padding:8px 12px;text-align:center;
  min-width:64px;flex-shrink:0;font-family:var(--font-head);
}
.notice-date .d{font-size:1.15rem;font-weight:700;display:block;}
.notice-date .m{font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;}
.notice-new{background:var(--maroon);color:#fff;font-size:.68rem;font-weight:700;padding:2px 8px;border-radius:10px;margin-left:8px;text-transform:uppercase;}
.notice-item h4{margin:0 0 4px;font-size:1rem;color:var(--navy);}
.notice-item .meta{font-size:.82rem;color:var(--muted);}
.notice-item a.dl{color:var(--maroon);font-weight:600;font-size:.85rem;}

/* ---------- Table ---------- */
table.data-table{width:100%;border-collapse:collapse;background:var(--paper);}
table.data-table th,table.data-table td{
  padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;font-size:.92rem;
}
table.data-table th{background:var(--navy);color:#fff;font-family:var(--font-head);font-weight:600;}
table.data-table tr:nth-child(even) td{background:#faf9f4;}

/* ---------- Forms ---------- */
.form-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
.form-group{display:flex;flex-direction:column;gap:6px;}
.form-group.full{grid-column:1/-1;}
label{font-size:.85rem;font-weight:600;color:var(--navy);}
input,select,textarea{
  padding:11px 12px;border:1px solid var(--line);border-radius:6px;font-family:var(--font-body);
  font-size:.95rem;background:#fff;color:var(--ink);
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--gold);border-color:var(--gold);}
select{color-scheme:light;}
select option{background:#ffffff;color:var(--ink);}
.form-note{font-size:.82rem;color:var(--muted);margin-top:10px;}

/* ---------- Gallery ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.gallery-grid figure{margin:0;border-radius:8px;overflow:hidden;border:1px solid var(--line);background:#fff;}
.gallery-grid figure img{transition:transform .5s ease;aspect-ratio:4/3;object-fit:cover;width:100%;}
.gallery-grid figure:hover img{transform:scale(1.09);}
.gallery-grid figcaption{padding:8px 10px;font-size:.8rem;color:var(--muted);}
.video-card iframe{width:100%;aspect-ratio:16/9;border:0;display:block;}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--navy);color:#c9d4e2;padding-top:48px;}
footer.site-footer .grid{grid-template-columns:1.3fr 1fr 1fr 1fr;gap:30px;}
footer.site-footer h4{color:#fff;font-family:var(--font-head);font-size:1.05rem;margin-bottom:14px;}
footer.site-footer ul{list-style:none;margin:0;padding:0;}
footer.site-footer ul li{margin-bottom:8px;}
footer.site-footer a:hover{color:var(--gold-light);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding:18px 0;
  font-size:.82rem;color:#9fb0c4;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
}
.social-row{display:flex;gap:10px;margin-top:10px;}
.social-row a{
  width:34px;height:34px;border-radius:50%;border:1px solid rgba(255,255,255,.25);
  display:flex;align-items:center;justify-content:center;font-size:.9rem;
}
.social-row a:hover{background:var(--gold);color:var(--navy);border-color:var(--gold);}
.whatsapp-float{
  position:fixed;bottom:24px;right:24px;background:#25D366;color:#fff;
  width:58px;height:58px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:1.7rem;box-shadow:0 6px 18px rgba(0,0,0,.25);z-index:80;
  transition:transform .2s ease;
}
.whatsapp-float:hover{background:#1ebd5a;transform:scale(1.08);}
.whatsapp-float::before{
  content:"";position:absolute;inset:0;border-radius:50%;
  animation:pulseRing 2.2s infinite;
}
@keyframes pulseRing{
  0%{box-shadow:0 0 0 0 rgba(37,211,102,.55);}
  100%{box-shadow:0 0 0 16px rgba(37,211,102,0);}
}

/* ---------- WhatsApp floating button ---------- */

/* ---------- Breadcrumb / page header ---------- */
.page-hero{
  background:var(--navy);color:#fff;padding:38px 0;
  background-image:linear-gradient(120deg, var(--navy), var(--navy-3));
}
.page-hero .crumb{font-size:.85rem;color:#c9d4e2;animation:fadeInUp .5s ease both;}
.page-hero .crumb a:hover{color:var(--gold-light);}
.page-hero h1{color:#fff;margin-bottom:4px;animation:fadeInUp .6s ease .05s both;}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .hero .container{grid-template-columns:1fr;}
  .grid-3,.grid-4,.info-plaque .grid{grid-template-columns:repeat(2,1fr);}
  footer.site-footer .grid{grid-template-columns:1fr 1fr;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:720px){
  /* Hide the codes strip on mobile — it repeats info already shown on the page,
     and keeping it out of the sticky header is what frees up real content space. */
  .topbar{display:none;}

  .brand-row{padding:8px 0;}
  .crest{width:42px;height:42px;}
  .brand-text .name-current{font-size:1rem;}
  .brand-text .name-former{font-size:.68rem;}
  .header-right{gap:8px;}
  .railway-logo{width:34px;height:34px;}
  .cbse-logo{height:34px;}

  .nav-toggle{display:flex;}
  .site-header.open .nav-toggle{transform:rotate(90deg);}

  /* The nav becomes an overlay dropdown anchored under the compact bar,
     so opening it never pushes page content down. */
  nav.main-nav{
    position:absolute;top:100%;left:0;right:0;
    box-shadow:0 14px 28px rgba(10,38,71,.22);
  }
  nav.main-nav .container{padding:0;max-width:none;}
  nav.main-nav ul{
    display:flex;flex-direction:column;width:100%;
    max-height:0;overflow:hidden;transition:max-height .4s ease;
  }
  .site-header.open nav.main-nav ul{max-height:70vh;overflow-y:auto;}
  nav.main-nav ul li{width:100%;}
  .submenu{position:static;box-shadow:none;border:0;display:block;padding-left:14px;max-height:0;overflow:hidden;transition:max-height .3s ease;}
  li.has-sub:hover .submenu{max-height:0;}
  li.has-sub.open .submenu{max-height:300px;}
  .form-row{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .grid-3,.grid-4,.info-plaque .grid,.gallery-grid{grid-template-columns:1fr 1fr;}
  .topbar .container{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .grid-3,.grid-4,.info-plaque .grid,.gallery-grid{grid-template-columns:1fr;}
  .section{padding:40px 0;}
  .btn{width:100%;justify-content:center;min-height:46px;}
  .hero-actions .btn{width:auto;}
  .brand-text .name-current{font-size:1.08rem;}
  .crest{width:44px;height:44px;}
  .railway-logo{width:30px;height:30px;}
  .cbse-logo{height:30px;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal, .hero > .container > *, .hero-photo, .whatsapp-float::before{transition:none !important;animation:none !important;opacity:1 !important;transform:none !important;}
}

/* ---------- Animation system ---------- */
@keyframes fadeInUp{
  from{opacity:0;transform:translateY(28px);}
  to{opacity:1;transform:translateY(0);}
}
@keyframes pulseRing{
  0%{box-shadow:0 0 0 0 rgba(37,211,102,.55);}
  100%{box-shadow:0 0 0 16px rgba(37,211,102,0);}
}

.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease, transform .7s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}
.reveal-1{transition-delay:.05s;}
.reveal-2{transition-delay:.15s;}
.reveal-3{transition-delay:.25s;}
.reveal-4{transition-delay:.35s;}

.hero .container > div:first-child{animation:fadeInUp .8s ease both;}
.hero-photo{animation:fadeInUp .9s ease .15s both;}

nav.main-nav a{position:relative;}
nav.main-nav a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:8px;height:2px;background:var(--gold);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
nav.main-nav a:hover::after, nav.main-nav a.active::after{transform:scaleX(1);}

header.site-header.scrolled{box-shadow:0 6px 20px rgba(10,38,71,.14);}


.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.table-wrap table{min-width:520px;}
@media (max-width:720px){
  .table-wrap::after{
    content:"Swipe to see more \2192";
    display:block;font-size:.72rem;color:var(--muted);font-style:italic;
    text-align:right;margin-top:4px;
  }
}