/* =====================================================
   Bal Bharti Vidyapeeth Sansthan — Main Stylesheet
   Palette: navy + gold (from logo), clean & modern
   ===================================================== */

:root {
    --navy:        #1a2b5c;
    --navy-dark:   #0f1d44;
    --navy-light:  #2a3f7a;
    --gold:        #c9a44c;
    --gold-light:  #e0c374;
    --gold-soft:   #f5ecd3;
    --cream:       #faf7f0;
    --text:        #2c3e50;
    --text-light:  #6b7280;
    --border:      #e5e7eb;
    --bg-soft:     #f9fafb;
    --white:       #ffffff;
    --success:     #10b981;
    --danger:      #ef4444;
    --warning:     #f59e0b;
    --info:        #3b82f6;
    --shadow-sm:   0 1px 2px rgba(0,0,0,0.05);
    --shadow:      0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg:   0 10px 30px rgba(0,0,0,0.12);
    --radius:      10px;
    --radius-lg:   16px;
}

*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin:0; font-family:'Poppins',sans-serif; color:var(--text);
    background:var(--white); line-height:1.65; font-size:15px;
}
img { max-width:100%; display:block; }
a { color:var(--navy); text-decoration:none; transition:.2s; }
a:hover { color:var(--gold); }

h1,h2,h3,h4 { font-family:'Playfair Display',serif; color:var(--navy); margin:0 0 .6em; line-height:1.25; }
h1 { font-size:2.4rem; }
h2 { font-size:2rem; }
h3 { font-size:1.4rem; }
h4 { font-size:1.15rem; font-family:'Poppins',sans-serif; font-weight:600; }
p  { margin:0 0 1em; }

.container { width:92%; max-width:1200px; margin:0 auto; }

/* ---------- Top bar ---------- */
.topbar { background:var(--navy-dark); color:#cdd5e7; font-size:13px; padding:8px 0; }
.topbar-inner { display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; }
.topbar-left span { margin-right:18px; }
.topbar i { color:var(--gold); margin-right:6px; }

/* ---------- Header ---------- */
.site-header { background:var(--white); box-shadow:var(--shadow-sm); position:sticky; top:0; z-index:100; }
.header-inner { display:flex; justify-content:space-between; align-items:center; padding:14px 0; gap:16px; }
.logo-block { display:flex; align-items:center; gap:14px; }
.logo-img { width:62px; height:62px; object-fit:contain; }
.logo-text h1 { font-size:1.35rem; margin:0; color:var(--navy); letter-spacing:.3px; }
.logo-text p  { font-size:12px; color:var(--text-light); margin:2px 0 0; }
.nav-toggle { display:none; background:transparent; border:none; font-size:22px; color:var(--navy); cursor:pointer; }

.main-nav { background:var(--navy); }
.main-nav ul { list-style:none; margin:0; padding:0; display:flex; flex-wrap:wrap; }
.main-nav li a {
    display:block; color:#fff; padding:14px 18px; font-size:14px; font-weight:500;
    letter-spacing:.4px; position:relative;
}
.main-nav li a:hover, .main-nav li a.active { background:var(--navy-dark); color:var(--gold-light); }
.main-nav li a.active::after {
    content:""; position:absolute; bottom:0; left:0; right:0; height:3px; background:var(--gold);
}

/* ---------- Hero ---------- */
.hero {
    background: linear-gradient(135deg, rgba(15,29,68,.85), rgba(26,43,92,.75)),
                url('../images/hero-bg.jpg') center/cover;
    color:#fff; padding:90px 0 100px; text-align:center; position:relative;
}
.hero::after {
    content:""; position:absolute; bottom:-1px; left:0; right:0; height:60px;
    background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 60' preserveAspectRatio='none'><path d='M0 0 C 300 60 900 60 1200 0 L 1200 60 L 0 60 Z' fill='%23ffffff'/></svg>") center/cover;
}
.hero h1 { color:#fff; font-size:3rem; margin-bottom:.4em; text-shadow:0 2px 12px rgba(0,0,0,.3); }
.hero p { font-size:1.15rem; max-width:740px; margin:0 auto 30px; opacity:.95; }

/* ---------- Buttons ---------- */
.btn {
    display:inline-block; padding:12px 28px; border-radius:var(--radius);
    font-weight:600; font-size:14px; letter-spacing:.5px; cursor:pointer;
    border:2px solid transparent; transition:.25s; text-align:center;
}
.btn-primary { background:var(--gold); color:var(--navy-dark); border-color:var(--gold); }
.btn-primary:hover { background:var(--gold-light); border-color:var(--gold-light); transform:translateY(-2px); box-shadow:var(--shadow); color:var(--navy-dark); }
.btn-outline { background:transparent; color:#fff; border-color:#fff; }
.btn-outline:hover { background:#fff; color:var(--navy); }
.btn-navy { background:var(--navy); color:#fff; border-color:var(--navy); }
.btn-navy:hover { background:var(--navy-dark); border-color:var(--navy-dark); color:#fff; }
.btn-block { width:100%; }
.btn-sm { padding:7px 16px; font-size:13px; }

/* ---------- Sections ---------- */
section { padding:70px 0; }
section.alt { background:var(--bg-soft); }
.section-title { text-align:center; margin-bottom:50px; }
.section-title h2 { display:inline-block; position:relative; }
.section-title h2::after {
    content:""; display:block; width:60px; height:3px; background:var(--gold);
    margin:14px auto 0; border-radius:2px;
}
.section-title p { color:var(--text-light); max-width:700px; margin:14px auto 0; }

/* ---------- Cards / grids ---------- */
.grid { display:grid; gap:26px; }
.grid-2 { grid-template-columns:repeat(auto-fit, minmax(380px,1fr)); }
.grid-3 { grid-template-columns:repeat(auto-fit, minmax(280px,1fr)); }
.grid-4 { grid-template-columns:repeat(auto-fit, minmax(230px,1fr)); }

.card {
    background:#fff; border-radius:var(--radius-lg); padding:28px 24px;
    box-shadow:var(--shadow-sm); border:1px solid var(--border); transition:.3s;
    text-align:center;
}
.card:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); border-color:var(--gold-light); }
.card .icon {
    width:70px; height:70px; border-radius:50%; display:inline-flex;
    align-items:center; justify-content:center; font-size:28px;
    background:var(--gold-soft); color:var(--navy); margin-bottom:18px;
}
.card:hover .icon { background:var(--gold); color:#fff; }
.card h3 { font-size:1.2rem; margin-bottom:10px; }
.card p { color:var(--text-light); font-size:14px; margin:0; }

/* ---------- About preview ---------- */
.about-preview { display:grid; grid-template-columns:1fr 1fr; gap:50px; align-items:center; }
.about-preview .img-wrap {
    border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-lg);
    position:relative; min-height:380px;
    background:linear-gradient(135deg,var(--gold-soft),#fff);
    display:flex; align-items:center; justify-content:center;
}
.about-preview .img-wrap img { width:75%; }

/* ---------- Messages (chairman/principal) ---------- */
.message-card {
    background:#fff; border-radius:var(--radius-lg); padding:32px; box-shadow:var(--shadow);
    border-left:5px solid var(--gold); position:relative;
}
.message-card::before {
    content:"\201C"; position:absolute; top:-20px; right:24px;
    font-family:'Playfair Display',serif; font-size:80px; color:var(--gold-soft); line-height:1;
}
.message-card h4 { color:var(--navy); margin-bottom:4px; }
.message-card .role { color:var(--gold); font-size:13px; font-weight:600; margin-bottom:14px; text-transform:uppercase; letter-spacing:1px; }

/* ---------- Page hero (smaller, for inner pages) ---------- */
.page-hero {
    background:linear-gradient(135deg, var(--navy), var(--navy-light));
    color:#fff; padding:60px 0; text-align:center;
}
.page-hero h1 { color:#fff; margin-bottom:8px; }
.page-hero .breadcrumb { font-size:14px; opacity:.85; }
.page-hero .breadcrumb a { color:var(--gold-light); }

/* ---------- Forms ---------- */
.form-wrap { background:#fff; border-radius:var(--radius-lg); padding:36px; box-shadow:var(--shadow); }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-group { margin-bottom:18px; }
.form-group label { display:block; font-weight:500; margin-bottom:6px; color:var(--navy); font-size:14px; }
.form-group input,
.form-group select,
.form-group textarea {
    width:100%; padding:11px 14px; border:1.5px solid var(--border); border-radius:var(--radius);
    font-family:inherit; font-size:14px; transition:.2s; background:#fff;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline:none; border-color:var(--gold); box-shadow:0 0 0 3px rgba(201,164,76,.15);
}
.form-group textarea { min-height:110px; resize:vertical; }
.required { color:var(--danger); }

/* ---------- Flash messages ---------- */
.flash { padding:14px 20px; border-radius:var(--radius); margin:18px 0; font-weight:500; }
.flash-success { background:#d1fae5; color:#065f46; border-left:4px solid var(--success); }
.flash-error   { background:#fee2e2; color:#991b1b; border-left:4px solid var(--danger); }
.flash-info    { background:#dbeafe; color:#1e40af; border-left:4px solid var(--info); }

/* ---------- Gallery ---------- */
.gallery-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:16px; }
.gallery-item {
    position:relative; overflow:hidden; border-radius:var(--radius);
    aspect-ratio:4/3; cursor:pointer; box-shadow:var(--shadow-sm);
}
.gallery-item img { width:100%; height:100%; object-fit:cover; transition:.4s; }
.gallery-item:hover img { transform:scale(1.08); }
.gallery-item .caption {
    position:absolute; bottom:0; left:0; right:0; padding:14px;
    background:linear-gradient(to top, rgba(15,29,68,.9), transparent);
    color:#fff; font-size:14px; font-weight:500;
    transform:translateY(100%); transition:.3s;
}
.gallery-item:hover .caption { transform:translateY(0); }

/* Lightbox */
.lightbox { position:fixed; inset:0; background:rgba(0,0,0,.92); display:none; align-items:center; justify-content:center; z-index:9999; padding:30px; }
.lightbox.show { display:flex; }
.lightbox img { max-width:92%; max-height:92vh; border-radius:6px; }
.lightbox .close { position:absolute; top:20px; right:30px; color:#fff; font-size:36px; background:transparent; border:none; cursor:pointer; }

/* ---------- Vacancy ---------- */
.vacancy-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:24px; }
.vacancy-card {
    background:#fff; border-radius:var(--radius-lg); overflow:hidden;
    box-shadow:var(--shadow-sm); border:1px solid var(--border); transition:.3s;
}
.vacancy-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.vacancy-card .poster-wrap { background:var(--bg-soft); aspect-ratio:3/4; overflow:hidden; }
.vacancy-card .poster-wrap img { width:100%; height:100%; object-fit:cover; }
.vacancy-card .body { padding:18px; }
.vacancy-card h3 { font-size:1.1rem; margin-bottom:6px; }
.vacancy-card .date { font-size:12px; color:var(--text-light); margin-bottom:10px; }

/* ---------- Footer ---------- */
.site-footer { background:var(--navy-dark); color:#cdd5e7; padding:60px 0 0; margin-top:60px; }
.footer-grid { display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding-bottom:40px; }
.footer-logo { display:flex; align-items:center; gap:14px; margin-bottom:14px; }
.footer-logo img { width:60px; height:60px; }
.footer-logo h3 { color:#fff; font-size:1.2rem; margin:0; }
.site-footer h4 { color:#fff; font-size:1rem; margin-bottom:18px; padding-bottom:10px; border-bottom:2px solid var(--gold); display:inline-block; }
.site-footer p, .site-footer a { color:#cdd5e7; font-size:14px; }
.site-footer i { color:var(--gold); margin-right:10px; width:18px; }
.footer-links { list-style:none; padding:0; margin:0; }
.footer-links li { margin-bottom:8px; }
.footer-links a:hover { color:var(--gold-light); padding-left:5px; }
.social-icons { display:flex; gap:10px; margin-top:14px; }
.social-icons a {
    width:38px; height:38px; border-radius:50%; background:rgba(255,255,255,.08);
    display:flex; align-items:center; justify-content:center; color:#fff;
}
.social-icons a:hover { background:var(--gold); color:var(--navy-dark); }
.footer-bottom { background:rgba(0,0,0,.25); padding:18px 0; margin-top:20px; font-size:13px; text-align:center; }
.footer-bottom p { margin:0; }

/* ---------- WhatsApp float ---------- */
.whatsapp-float {
    position:fixed; bottom:28px; right:28px; width:56px; height:56px; border-radius:50%;
    background:#25D366; color:#fff; display:flex; align-items:center; justify-content:center;
    font-size:28px; box-shadow:0 6px 20px rgba(37,211,102,.5); z-index:90;
}
.whatsapp-float:hover { transform:scale(1.08); color:#fff; }

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
    .about-preview { grid-template-columns:1fr; }
    .footer-grid { grid-template-columns:1fr; }
    h1 { font-size:1.9rem; } h2 { font-size:1.6rem; }
    .hero { padding:60px 0 70px; }
    .hero h1 { font-size:2.1rem; }
}
@media (max-width: 780px) {
    .nav-toggle { display:block; }
    .main-nav { display:none; }
    .main-nav.open { display:block; }
    .main-nav ul { flex-direction:column; }
    .main-nav li a { padding:14px 22px; border-bottom:1px solid rgba(255,255,255,.08); }
    .topbar-inner { justify-content:center; text-align:center; }
    .form-row { grid-template-columns:1fr; }
    .logo-text h1 { font-size:1.05rem; }
    .logo-text p { font-size:11px; }
    .logo-img { width:50px; height:50px; }
}