/* ============================================
   KOSE - Karnataka Open Schooling Education
   Complete Stylesheet v2
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&display=swap');

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#0d3b7c;
  --primary-dark:#092d5e;
  --accent:#e07b00;
  --accent-light:#f59e0b;
  --green:#16a34a;
  --light:#f0f4f8;
  --white:#fff;
  --text:#1e293b;
  --muted:#64748b;
  --border:#e2e8f0;
  --shadow:0 4px 24px rgba(13,59,124,.10);
  --font:'Nunito',sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--white);line-height:1.6}
a{text-decoration:none;color:inherit;transition:.2s}
img{max-width:100%;display:block}
ul{list-style:none}

/* ── UTILS ── */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.btn{display:inline-block;padding:11px 28px;border-radius:6px;font-weight:700;font-size:14px;cursor:pointer;transition:.25s;border:none;font-family:var(--font)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#c46c00}
.btn-outline{border:2px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff}
.section-title{text-align:center;margin-bottom:44px}
.section-title h2{font-size:30px;font-weight:800;color:var(--primary)}
.section-title p{color:var(--muted);margin-top:8px;font-size:15px}
.section-title .bar{width:56px;height:4px;background:var(--accent);border-radius:4px;margin:12px auto 0}
.tag{display:inline-block;padding:3px 12px;border-radius:20px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.tag-accent{background:#fff3e0;color:var(--accent)}
.tag-primary{background:#e8eef8;color:var(--primary)}
.tag-green{background:#dcfce7;color:var(--green)}

/* ── TOP BAR ── */
.topbar{background:var(--primary-dark);color:rgba(255,255,255,.85);font-size:12.5px;padding:7px 0}
.topbar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:6px}
.topbar-left{display:flex;align-items:center;gap:14px}
.topbar-right{display:flex;align-items:center;gap:8px}
.topbar-right a{color:rgba(255,255,255,.85);padding:4px 12px;border-radius:4px;background:rgba(255,255,255,.1);font-size:12px}
.topbar-right a:hover{background:var(--accent);color:#fff}

/* ── HEADER ── */
header{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.09);position:sticky;top:0;z-index:9999}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 0;gap:16px}

/* ── LOGO ── */
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo img{width:62px;height:62px;object-fit:contain;border-radius:50%}
.logo-text h1{font-size:17px;font-weight:900;color:var(--primary);line-height:1.2}
.logo-text p{font-size:11px;color:var(--muted)}

/* ══════════════════════════════════════
   DESKTOP NAVIGATION
   ══════════════════════════════════════ */
nav{display:flex;align-items:center}
nav > ul{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0}

/* Top-level links */
nav > ul > li{position:relative;list-style:none}
nav > ul > li > a{
  display:block;
  padding:10px 13px;
  font-size:13.5px;
  font-weight:700;
  color:var(--text);
  border-radius:5px;
  white-space:nowrap;
  line-height:1;
}
nav > ul > li > a:hover,
nav > ul > li > a.active{background:var(--primary);color:#fff}

/* ── LEVEL 1 DROPDOWN ── */
nav > ul > li > .dropdown{
  display:none;
  position:absolute;
  top:100%;
  left:0;
  min-width:183px;
  background:#fff;
  border-top:3px solid var(--accent);
  border-radius:0 0 8px 8px;
  box-shadow:0 8px 32px rgba(0,0,0,.14);
  z-index:10000;
  list-style:none;
  margin:0;padding:0;
}
nav > ul > li:hover > .dropdown{display:block}

nav > ul > li > .dropdown > li{
  position:relative;
  list-style:none;
  border-bottom:1px solid var(--border);
}
nav > ul > li > .dropdown > li:last-child{border-bottom:none}

nav > ul > li > .dropdown > li > a{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:11px 16px;
  font-size:13px;
  font-weight:600;
  color:var(--text);
  white-space:nowrap;
}
nav > ul > li > .dropdown > li > a:hover{background:var(--light);color:var(--primary)}

/* ── LEVEL 2 SUB-DROPDOWN ── */
nav > ul > li > .dropdown > li > .sub-dropdown{
  display:none;
  position:absolute;
  top:0;
  left:100%;
  min-width:260px;
  background:#fff;
  border-top:3px solid var(--accent-light);
  border-radius:0 8px 8px 0;
  box-shadow:6px 8px 32px rgba(0,0,0,.13);
  z-index:10001;
  list-style:none;
  margin:0;padding:0;
}
nav > ul > li > .dropdown > li:hover > .sub-dropdown{display:block}

nav > ul > li > .dropdown > li > .sub-dropdown > li{
  list-style:none;
  border-bottom:1px solid var(--border);
}
nav > ul > li > .dropdown > li > .sub-dropdown > li:last-child{border-bottom:none}

nav > ul > li > .dropdown > li > .sub-dropdown > li > a{
  display:block;
  padding:11px 18px;
  font-size:13px;
  font-weight:600;
  color:var(--text);
  white-space:nowrap;
}
nav > ul > li > .dropdown > li > .sub-dropdown > li > a:hover{background:var(--light);color:var(--primary)}

/* Arrow indicator for items with sub-dropdown */
.has-sub > a::after{content:'›';margin-left:8px;font-size:16px;line-height:1}

/* ── HAMBURGER ── */
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;cursor:pointer;padding:6px;z-index:10001}
.hamburger span{width:24px;height:2.5px;background:var(--primary);border-radius:2px;transition:.3s;display:block}
.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ══════════════════════════════════════
   MOBILE NAVIGATION
   ══════════════════════════════════════ */
@media(max-width:900px){
  .hamburger{display:flex}

  nav{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    width:100%;
    background:#fff;
    border-top:3px solid var(--accent);
    box-shadow:0 8px 24px rgba(0,0,0,.15);
    max-height:80vh;
    overflow-y:auto;
    z-index:9998;
  }
  nav.open{display:block}

  nav > ul{flex-direction:column;gap:0;width:100%}
  nav > ul > li{width:100%;border-bottom:1px solid var(--border)}
  nav > ul > li > a{padding:13px 20px;border-radius:0;font-size:14px;display:block}
  nav > ul > li > a:hover,
  nav > ul > li > a.active{background:var(--light);color:var(--primary)}

  /* Mobile dropdowns - hidden by default, shown via JS */
  nav > ul > li > .dropdown{
    display:none;
    position:static;
    box-shadow:none;
    border-top:none;
    border-left:4px solid var(--accent);
    border-radius:0;
    margin-left:16px;
    background:var(--light);
  }
  nav > ul > li > .dropdown > li > a{padding:11px 16px;font-size:13px}

  nav > ul > li > .dropdown > li > .sub-dropdown{
    display:none;
    position:static;
    box-shadow:none;
    border-top:none;
    border-left:4px solid var(--accent-light);
    border-radius:0;
    margin-left:16px;
    background:#fff;
  }
  nav > ul > li > .dropdown > li > .sub-dropdown > li > a{padding:10px 16px;font-size:13px}
}

/* ── HERO SLIDER ── */
.slider{position:relative;overflow:hidden;height:480px}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .9s ease}
.slide.active{opacity:1;z-index:1}
.slide-img{width:100%;height:100%;object-fit:cover;filter:brightness(.45)}
.slide-overlay{position:absolute;inset:0;background:linear-gradient(to right,rgba(13,59,124,.75) 0%,rgba(0,0,0,.1) 100%)}
.slide-content{position:absolute;top:50%;left:7%;transform:translateY(-50%);color:#fff;max-width:600px;z-index:2}
.slide-content .pre{font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--accent-light);margin-bottom:12px}
.slide-content h2{font-size:40px;font-weight:900;line-height:1.2;margin-bottom:16px}
.slide-content p{font-size:16px;opacity:.9;margin-bottom:28px}
.slide-content .btns{display:flex;gap:12px;flex-wrap:wrap}
.slider-arrows{position:absolute;top:50%;transform:translateY(-50%);width:100%;display:flex;justify-content:space-between;padding:0 16px;pointer-events:none;z-index:3}
.arr-btn{pointer-events:all;width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.18);border:2px solid rgba(255,255,255,.4);color:#fff;font-size:22px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.25s;line-height:1}
.arr-btn:hover{background:var(--accent);border-color:var(--accent)}
.slider-dots{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:3}
.dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;transition:.3s}
.dot.active{background:#fff;transform:scale(1.2)}

/* ── HOME: ABOUT STRIP ── */
.about-strip{background:var(--light);padding:60px 0}
.about-strip-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about-strip-grid img{border-radius:12px;box-shadow:var(--shadow);width:100%;height:340px;object-fit:cover}
.about-text h3{font-size:26px;font-weight:800;color:var(--primary);margin-bottom:14px}
.about-text p{color:var(--muted);line-height:1.85;margin-bottom:14px;font-size:15px}
.about-text .btns{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}

/* ── STATS BAND ── */
.stats-band{background:var(--primary);padding:42px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-item h3{font-size:42px;font-weight:900;color:var(--accent-light)}
.stat-item p{font-size:13px;color:rgba(255,255,255,.8);margin-top:4px}

/* ── HOME COURSES ── */
.home-courses{padding:70px 0}
.courses-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.course-card{border-radius:12px;overflow:hidden;box-shadow:0 2px 16px rgba(0,0,0,.08);transition:.3s;background:#fff;border:1px solid var(--border)}
.course-card:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(13,59,124,.15)}
.course-card .thumb{position:relative;overflow:hidden;height:190px}
.course-card .thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.course-card:hover .thumb img{transform:scale(1.06)}
.course-card .thumb .cat-badge{position:absolute;top:12px;left:12px}
.course-card-body{padding:18px 20px}
.course-card-body h3{font-size:15.5px;font-weight:800;color:var(--primary);margin:10px 0 7px;line-height:1.3}
.course-card-body p{font-size:13px;color:var(--muted);line-height:1.65}
.course-card-footer{padding:12px 20px 16px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--border)}
.course-card-footer span{font-size:12px;color:var(--muted);font-weight:600}
.course-card-footer a{font-size:13px;color:var(--accent);font-weight:700}
.course-card-footer a:hover{color:var(--primary)}

/* ── NOTICES ── */
.notices-section{background:var(--light);padding:60px 0}
.notices-two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.notice-item{background:#fff;border-radius:8px;padding:13px 16px;display:flex;align-items:center;gap:12px;border-left:4px solid var(--accent);box-shadow:0 1px 6px rgba(0,0,0,.05);transition:.2s}
.notice-item:hover{transform:translateX(4px)}
.notice-item .ni-icon{font-size:18px;flex-shrink:0}
.notice-item a{font-size:13.5px;color:var(--text);font-weight:600}
.notice-item a:hover{color:var(--accent)}

/* ── PAGE HERO ── */
.page-hero{background:linear-gradient(120deg,var(--primary) 0%,#1a52a8 100%);padding:52px 0;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.05)}
.page-hero-inner{position:relative;z-index:1}
.page-hero h1{font-size:34px;font-weight:900;color:#fff}
.page-hero p{color:rgba(255,255,255,.85);margin-top:8px;font-size:15px}
.breadcrumb{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:13px;color:rgba(255,255,255,.7);flex-wrap:wrap}
.breadcrumb a{color:var(--accent-light)}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{opacity:.5}

/* ── ABOUT PAGE ── */
.about-page{padding:65px 0}
.about-main-grid{display:grid;grid-template-columns:3fr 1fr;gap:40px;align-items:start}
.about-content h3{font-size:19px;font-weight:800;color:var(--primary);margin:26px 0 10px;border-left:4px solid var(--accent);padding-left:12px}
.about-content p{font-size:15px;color:var(--muted);line-height:1.9;margin-bottom:14px}
.info-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.info-card{background:var(--light);border-radius:12px;padding:28px 22px;text-align:center;border-top:4px solid var(--accent)}
.info-card .ic-icon{font-size:38px;margin-bottom:12px}
.info-card h4{font-size:15px;font-weight:800;color:var(--primary);margin-bottom:8px}
.info-card p{font-size:13px;color:var(--muted);line-height:1.6}

/* ── SIDEBAR ── */
.sidebar{display:flex;flex-direction:column;gap:22px}
.sidebar-box{background:var(--light);border-radius:12px;padding:22px;border-top:4px solid var(--primary)}
.sidebar-box h4{font-size:15px;font-weight:800;color:var(--primary);margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border)}
.sidebar-box > ul > li{border-bottom:1px solid var(--border)}
.sidebar-box > ul > li > a{display:block;padding:9px 0;font-size:13px;color:var(--text);font-weight:600;transition:.2s}
.sidebar-box > ul > li > a:hover{color:var(--accent);padding-left:4px}

/* ── CATEGORY PAGE ── */
.cat-page{padding:60px 0}
.cat-layout{display:grid;grid-template-columns:260px 1fr;gap:36px;align-items:start}
.cat-courses-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}

/* ── COURSE DETAIL ── */
.course-detail{padding:60px 0}
.detail-layout{display:grid;grid-template-columns:1fr 300px;gap:36px;align-items:start}
.course-banner{width:100%;height:340px;object-fit:cover;border-radius:12px;margin-bottom:28px;box-shadow:var(--shadow)}
.course-desc h3{font-size:19px;font-weight:800;color:var(--primary);margin:24px 0 10px;border-left:4px solid var(--accent);padding-left:10px}
.course-desc p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:10px}
.course-desc ul{margin:10px 0 14px 22px;list-style:disc}
.course-desc ul li{font-size:14px;color:var(--muted);margin-bottom:6px}
.course-meta{display:flex;flex-wrap:wrap;gap:14px;margin:20px 0 28px;padding:18px;background:var(--light);border-radius:10px}
.meta-item{display:flex;align-items:center;gap:8px}
.meta-item .mi-icon{font-size:20px}
.meta-item span{font-size:13px;color:var(--muted)}
.meta-item strong{font-size:14px;color:var(--primary);font-weight:700;display:block}
.enroll-box{background:var(--primary);border-radius:12px;padding:26px;text-align:center;color:#fff;margin-bottom:22px}
.enroll-box .free-badge{display:inline-block;background:var(--accent);color:#fff;font-size:13px;font-weight:800;padding:4px 16px;border-radius:20px;margin-bottom:14px}
.enroll-box h4{font-size:17px;font-weight:800;margin-bottom:8px}
.enroll-box p{font-size:13px;opacity:.85;margin-bottom:18px}
.enroll-box a{display:block;background:#fff;color:var(--primary);font-weight:800;padding:12px;border-radius:8px;font-size:14px;transition:.2s}
.enroll-box a:hover{background:var(--accent);color:#fff}

/* ── RESULTS PAGE ── */
.results-page{padding:60px 0}
.results-box{background:var(--light);border-radius:12px;padding:32px;margin-bottom:40px}
.results-box h3{font-size:18px;font-weight:800;color:var(--primary);margin-bottom:22px}
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:18px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group label{font-size:13px;font-weight:700;color:var(--primary)}
.form-group input,.form-group select{padding:11px 14px;border:1.5px solid var(--border);border-radius:8px;font-size:14px;font-family:var(--font);background:#fff;transition:.2s}
.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(13,59,124,.1)}
.results-table{width:100%;border-collapse:collapse;font-size:14px}
.results-table thead tr{background:var(--primary);color:#fff}
.results-table th{padding:13px 15px;text-align:left;font-weight:700;font-size:13px}
.results-table td{padding:12px 15px;border-bottom:1px solid var(--border)}
.results-table tr:hover td{background:var(--light)}
.badge-pub{color:var(--green);font-weight:700}
.badge-pend{color:var(--accent);font-weight:700}

/* ── CONTACT PAGE ── */
.contact-page{padding:60px 0}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info-card{background:var(--light);border-radius:12px;padding:30px}
.contact-info-card h3{font-size:19px;font-weight:800;color:var(--primary);margin-bottom:24px}
.ci-item{display:flex;gap:16px;margin-bottom:22px}
.ci-icon{width:44px;height:44px;border-radius:10px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.ci-text h4{font-size:14px;font-weight:700;color:var(--primary)}
.ci-text p{font-size:13px;color:var(--muted);margin-top:2px}
.map-placeholder{background:var(--border);border-radius:10px;height:220px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;margin-top:20px}
.contact-form-box{background:#fff;border:1.5px solid var(--border);border-radius:12px;padding:30px}
.contact-form-box h3{font-size:19px;font-weight:800;color:var(--primary);margin-bottom:24px}
.form-two{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.contact-form-box .form-group{margin-bottom:14px}
.contact-form-box input,.contact-form-box select,.contact-form-box textarea{width:100%;padding:11px 14px;border:1.5px solid var(--border);border-radius:8px;font-size:14px;font-family:var(--font);background:#fff;transition:.2s}
.contact-form-box textarea{height:115px;resize:vertical}
.contact-form-box input:focus,.contact-form-box select:focus,.contact-form-box textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(13,59,124,.1)}
#form-msg{font-size:13px;margin-top:10px}

/* ── FOOTER DOCS ── */
.footer-docs{background:var(--primary-dark);padding:36px 0}
.footer-docs h4{color:#fff;font-size:14px;font-weight:800;margin-bottom:16px}
.docs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.docs-grid a{font-size:12.5px;color:rgba(255,255,255,.7);padding:4px 0;display:block}
.docs-grid a:hover{color:var(--accent-light)}

/* ── FOOTER ── */
footer{background:#0a1628;color:#94a3b8;padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:32px;height:3px;background:var(--accent);border-radius:3px}
.footer-col p{font-size:13px;line-height:1.85;color:#94a3b8}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{font-size:13px;color:#94a3b8;transition:.2s}
.footer-col ul li a:hover{color:var(--accent-light);padding-left:4px}
.footer-bottom{text-align:center;padding:16px;font-size:12.5px;color:#475569}
.footer-bottom span{color:var(--accent-light)}

/* ── RESPONSIVE ── */
@media(max-width:1024px){
  .courses-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cat-layout{grid-template-columns:1fr}
  .docs-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .slider{height:300px}
  .slide-content h2{font-size:24px}
  .slide-content p{display:none}
  .about-strip-grid,.about-main-grid,.contact-grid,.detail-layout{grid-template-columns:1fr}
  .courses-grid,.cat-courses-grid,.info-card-grid,.notices-two-col{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .form-grid,.form-two{grid-template-columns:1fr}
  .docs-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .slider{height:240px}
  .slide-content h2{font-size:20px}
  .page-hero h1{font-size:24px}
  .stats-grid,.footer-grid,.docs-grid{grid-template-columns:1fr}
  .logo-text h1{font-size:14px}
}