/* ===== Variables ===== */
:root{
  --primary:#1b3a6b;     /* deep institutional blue */
  --primary-dark:#13294d;
  --accent:#e0a800;      /* gold */
  --green:#0e6b54;
  --text:#2b2f36;
  --muted:#67707d;
  --bg:#ffffff;
  --bg-alt:#f4f7fb;
  --line:#e3e8ef;
  --radius:10px;
  --shadow:0 6px 24px rgba(20,40,80,.08);
  --shadow-lg:0 14px 40px rgba(20,40,80,.14);
  --container:1180px;
  --t:.25s ease;
}

/* ===== Reset ===== */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Roboto',system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;font-size:16px}
/* Devanagari font when Nepali is active */
body.lang-np,body.lang-np h1,body.lang-np h2,body.lang-np h3,body.lang-np h4,body.lang-np .btn{font-family:'Noto Sans Devanagari','Poppins',sans-serif}
body.lang-np{line-height:1.8}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
h1,h2,h3,h4{font-family:'Poppins',sans-serif;line-height:1.25;color:var(--primary-dark)}

.container{width:90%;max-width:var(--container);margin:0 auto}

/* ===== Buttons ===== */
.btn{display:inline-block;padding:12px 26px;border-radius:50px;font-family:'Poppins',sans-serif;font-weight:600;font-size:.95rem;cursor:pointer;border:2px solid transparent;transition:var(--t)}
.btn--primary{background:var(--accent);color:#3a2c00}
.btn--primary:hover{background:#cf9a00;transform:translateY(-2px)}
.btn--outline{border-color:var(--primary);color:var(--primary)}
.btn--outline:hover{background:var(--primary);color:#fff}

/* ===== Topbar ===== */
.topbar{background:var(--primary-dark);color:#cdd7e6;font-size:.85rem}
.topbar__inner{display:flex;justify-content:space-between;align-items:center;padding:8px 0;flex-wrap:wrap;gap:8px}
.topbar__left{display:flex;gap:20px;flex-wrap:wrap}
.topbar__left i{color:var(--accent);margin-right:5px}
.topbar__right{display:flex;gap:10px;align-items:center}
.topbar__right a{width:26px;height:26px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.1);transition:var(--t)}
.topbar__right a:hover{background:var(--accent);color:#3a2c00}
.topbar__divider{width:1px;height:18px;background:rgba(255,255,255,.2)}

/* Language switch */
.lang-switch{display:flex;border:1px solid rgba(255,255,255,.25);border-radius:50px;overflow:hidden}
.lang-btn{background:transparent;border:none;color:#cdd7e6;font-family:'Poppins',sans-serif;font-weight:600;font-size:.78rem;padding:4px 11px;cursor:pointer;transition:var(--t);line-height:1.4}
.lang-btn:hover{color:#fff}
.lang-btn.active{background:var(--accent);color:#3a2c00}

/* ===== Header ===== */
.header{background:#fff;padding:14px 0;border-bottom:1px solid var(--line)}
.header__inner{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:14px}
.brand__logo{width:60px;height:60px}
.brand__name{font-size:1.45rem;font-weight:700}
.brand__sub{font-size:.82rem;color:var(--muted);font-family:'Roboto'}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{width:26px;height:3px;background:var(--primary);border-radius:3px;transition:var(--t)}

/* ===== Nav ===== */
.nav{background:var(--primary);position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}
.nav__menu{display:flex;flex-wrap:wrap}
.nav__menu>li{position:relative}
.nav__menu>li>a{display:block;color:#eaf0fb;padding:16px 18px;font-family:'Poppins';font-weight:500;font-size:.95rem;transition:var(--t)}
.nav__menu>li>a:hover,.nav__menu>li>a.active{background:var(--primary-dark);color:#fff}
.nav__menu i{font-size:.7rem;margin-left:4px}

/* Dropdown */
.has-dropdown:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown{position:absolute;top:100%;left:0;background:#fff;min-width:520px;box-shadow:var(--shadow-lg);border-radius:0 0 var(--radius) var(--radius);padding:18px;display:grid;grid-template-columns:repeat(2,1fr);gap:6px 26px;opacity:0;visibility:hidden;transform:translateY(10px);transition:var(--t);border-top:3px solid var(--accent)}
.dropdown__group{display:flex;flex-direction:column}
.dropdown__group>span{font-family:'Poppins';font-weight:600;color:var(--primary);font-size:.8rem;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--line);padding-bottom:4px;margin-bottom:4px}
.dropdown__group>a{padding:5px 0;color:var(--text);font-size:.9rem;transition:var(--t)}
.dropdown__group>a:hover{color:var(--accent);padding-left:6px}

/* ===== Hero Slider ===== */
.hero{position:relative}
.slider{position:relative;height:480px;overflow:hidden}
.slide{position:absolute;inset:0;background:var(--bg);background-image:linear-gradient(120deg,var(--bg),#000);opacity:0;transition:opacity .8s ease;display:flex;align-items:center}
.slide.active{opacity:1}
.slide__overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.6),rgba(0,0,0,.25))}
.slide__content{position:relative;color:#fff;max-width:680px}
.slide__content h2{color:#fff;font-size:2.6rem;margin-bottom:14px;text-shadow:0 2px 12px rgba(0,0,0,.4)}
.slide__content p{font-size:1.15rem;margin-bottom:24px;color:#eef2f8}
.slider__btn{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:none;background:rgba(255,255,255,.2);color:#fff;cursor:pointer;display:grid;place-items:center;font-size:1.1rem;transition:var(--t);backdrop-filter:blur(4px)}
.slider__btn:hover{background:var(--accent);color:#3a2c00}
.slider__btn--prev{left:20px}
.slider__btn--next{right:20px}
.slider__dots{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:10px}
.slider__dots button{width:12px;height:12px;border-radius:50%;border:2px solid #fff;background:transparent;cursor:pointer;transition:var(--t)}
.slider__dots button.active{background:var(--accent);border-color:var(--accent)}

/* ===== Quick stats ===== */
.quickstats{background:var(--primary-dark);color:#fff}
.quickstats__inner{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:30px 0}
.stat{display:flex;align-items:center;gap:16px;justify-content:center}
.stat i{font-size:2.2rem;color:var(--accent)}
.stat strong{display:block;font-size:1.8rem;font-family:'Poppins'}
.stat span{font-size:.9rem;color:#bcc8da}

/* ===== Sections ===== */
.section{padding:70px 0}
.section--alt{background:var(--bg-alt)}
.eyebrow{display:inline-block;color:var(--accent);font-family:'Poppins';font-weight:600;text-transform:uppercase;letter-spacing:1.5px;font-size:.8rem;margin-bottom:8px}
.eyebrow--light{color:var(--accent)}
.section__title{font-size:2rem;margin-bottom:12px;position:relative}
.section__title--light{color:#fff}
.section__head{text-align:center;max-width:680px;margin:0 auto 44px}
.section__head .section__title::after{content:"";display:block;width:70px;height:3px;background:var(--accent);margin:14px auto 0;border-radius:3px}
.section__lead{color:var(--muted)}

/* ===== About ===== */
.about{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about__media img{border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.about__list{margin:18px 0 24px;display:grid;gap:10px}
.about__list i{color:var(--green);margin-right:8px}

/* ===== Cards grids ===== */
.cards{display:grid;gap:24px}
.cards--5{grid-template-columns:repeat(5,1fr)}
.cards--3{grid-template-columns:repeat(3,1fr)}
.cards--auto{grid-template-columns:repeat(auto-fill,minmax(190px,1fr))}

/* Faculty cards */
.fcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 18px;text-align:center;transition:var(--t)}
.fcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.fcard__icon{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:1.6rem;transition:var(--t)}
.fcard:hover .fcard__icon{background:var(--accent);color:#3a2c00}
.fcard h3{font-size:1.05rem;margin-bottom:8px}
.fcard p{font-size:.88rem;color:var(--muted)}

/* Program cards */
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px;transition:var(--t);position:relative;overflow:hidden}
.pcard::before{content:"";position:absolute;left:0;top:0;height:100%;width:4px;background:var(--accent);transform:scaleY(0);transform-origin:top;transition:var(--t)}
.pcard:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.pcard:hover::before{transform:scaleY(1)}
.pcard__badge{font-size:.7rem;font-family:'Poppins';font-weight:600;background:var(--bg-alt);color:var(--primary);padding:3px 10px;border-radius:50px;text-transform:uppercase;letter-spacing:.5px}
.pcard h3{font-size:1.3rem;margin:12px 0 4px}
.pcard p{font-size:.85rem;color:var(--muted)}

/* ===== Two column (notices/sidebar) ===== */
.twocol{display:grid;grid-template-columns:2fr 1fr;gap:40px;align-items:start}
.block__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.link-more{color:var(--accent);font-family:'Poppins';font-weight:600;font-size:.85rem}
.link-more:hover{text-decoration:underline}

.notices{display:grid;gap:14px}
.notice{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;transition:var(--t)}
.notice:hover{box-shadow:var(--shadow);transform:translateX(4px)}
.notice__date{flex-shrink:0;width:58px;text-align:center;background:var(--primary);color:#fff;border-radius:8px;padding:8px 0;font-family:'Poppins'}
.notice__date .d{display:block;font-size:1.4rem;font-weight:700;line-height:1}
.notice__date .m{font-size:.75rem;text-transform:uppercase}
.notice__body a{font-family:'Poppins';font-weight:500;color:var(--primary-dark);transition:var(--t)}
.notice__body a:hover{color:var(--accent)}
.notice__meta{font-size:.78rem;color:var(--muted);margin-top:6px}

/* Sidebar widgets */
.widget{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:24px}
.widget__title{font-size:1.1rem;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--accent);display:inline-block}
.widget__links li a{display:block;padding:9px 0;border-bottom:1px dashed var(--line);color:var(--text);font-size:.92rem;transition:var(--t)}
.widget__links li a:hover{color:var(--accent);padding-left:6px}
.widget__links i{color:var(--accent);margin-right:6px}
.widget--accent{background:var(--primary);color:#fff}
.widget--accent .widget__title{color:#fff}
.io{font-size:.95rem;line-height:2}
.io i{color:var(--accent);width:18px}

/* News cards */
.ncard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--t)}
.ncard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.ncard__img{height:170px;background:var(--bg);display:grid;place-items:center;color:#fff;font-size:3rem;background-color:var(--bg)}
.ncard__img{background:var(--bg)}
.ncard__img{background:var(--bg)}
.ncard__img{background:linear-gradient(135deg,var(--bg),rgba(0,0,0,.25))}
.ncard__body{padding:20px}
.ncard__date{font-size:.78rem;color:var(--accent);font-family:'Poppins';font-weight:600}
.ncard__body h3{font-size:1.1rem;margin:8px 0 10px}
.ncard__body p{font-size:.9rem;color:var(--muted);margin-bottom:12px}

/* ===== Message / testimonial ===== */
.section--message{background:var(--primary-dark);color:#fff}
.message{display:grid;grid-template-columns:240px 1fr;gap:40px;align-items:center}
.message__photo img{border-radius:var(--radius);border:4px solid rgba(255,255,255,.15)}
.message blockquote{font-size:1.25rem;font-style:italic;line-height:1.7;color:#e7edf6;margin:14px 0;border-left:4px solid var(--accent);padding-left:20px}
.message__name{font-family:'Poppins';font-weight:600;font-size:1.05rem;color:#fff}
.message__name span{color:var(--accent);font-weight:400;font-size:.9rem}

/* ===== Contact ===== */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.cinfo{display:flex;gap:16px;margin-bottom:20px;align-items:flex-start}
.cinfo i{width:46px;height:46px;flex-shrink:0;border-radius:50%;background:var(--bg-alt);color:var(--primary);display:grid;place-items:center;font-size:1.1rem}
.cinfo strong{font-family:'Poppins';display:block}
.cinfo p{color:var(--muted);font-size:.92rem}
.map{margin-top:10px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.map iframe{width:100%;height:230px;border:0;display:block}
.contact__form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field input,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font-family:inherit;font-size:.95rem;transition:var(--t)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(27,58,107,.12)}

/* ===== Footer ===== */
.footer{background:#0d1b33;color:#aebbd0;padding-top:60px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.brand--footer .brand__name{color:#fff;font-size:1.15rem}
.brand--footer .brand__sub{color:var(--accent)}
.footer__about{margin-top:14px;font-size:.9rem;line-height:1.8}
.footer__col h4{color:#fff;font-size:1.05rem;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer__col h4::after{content:"";position:absolute;left:0;bottom:0;width:36px;height:2px;background:var(--accent)}
.footer__col ul li{margin-bottom:10px}
.footer__col ul li a{font-size:.9rem;transition:var(--t)}
.footer__col ul li a:hover{color:var(--accent);padding-left:5px}
.footer__contact li{font-size:.9rem;margin-bottom:12px}
.footer__contact i{color:var(--accent);width:18px;margin-right:6px}
.footer__social{display:flex;gap:12px;margin-top:16px}
.footer__social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:grid;place-items:center;transition:var(--t)}
.footer__social a:hover{background:var(--accent);color:#3a2c00}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:.82rem}
.footer__bottom-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* ===== Back to top ===== */
.to-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;border:none;background:var(--primary);color:#fff;cursor:pointer;font-size:1.1rem;opacity:0;visibility:hidden;transform:translateY(20px);transition:var(--t);z-index:90;box-shadow:var(--shadow-lg)}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--accent);color:#3a2c00}

/* ===== Responsive ===== */
@media(max-width:980px){
  .cards--5{grid-template-columns:repeat(3,1fr)}
  .cards--3{grid-template-columns:repeat(2,1fr)}
  .about,.contact,.twocol,.message{grid-template-columns:1fr}
  .message{text-align:center}
  .message__photo{max-width:220px;margin:0 auto}
  .quickstats__inner{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .nav-toggle{display:flex}
  .nav{position:static}
  .nav__menu{display:none;flex-direction:column;background:var(--primary-dark)}
  .nav__menu.open{display:flex}
  .nav__menu>li>a{padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
  .dropdown{position:static;min-width:auto;grid-template-columns:1fr;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(0,0,0,.2);display:none;border-radius:0}
  .has-dropdown.open .dropdown{display:grid}
  .dropdown__group>span,.dropdown__group>a{color:#dbe4f3}
  .slider{height:400px}
  .slide__content h2{font-size:1.8rem}
  .topbar__inner{justify-content:center;text-align:center}
}
@media(max-width:540px){
  .cards--5,.cards--3{grid-template-columns:1fr}
  .quickstats__inner,.footer__grid{grid-template-columns:1fr}
  .brand__name{font-size:1.15rem}
  .section{padding:50px 0}
}