/* ── BusinessEnglishSite.com shared stylesheet v1 ── */
*,*::before,*::after{box-sizing:border-box}
body{margin:0;padding:0;background:#c2b9b0;font-family:Verdana,Geneva,Tahoma,sans-serif;font-size:12pt;color:#222}
img{max-width:100%;height:auto}
FORM{margin:0}
A:link,A:visited{color:#1a5276;text-decoration:none}
A:hover{text-decoration:underline;color:#1a5276}

/* ── wrapper ── */
#wrapper{background:#fff;max-width:1100px;margin:0 auto;overflow:hidden;box-sizing:border-box}

/* ── site header ── */
#site-header{background:#336699;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
#site-logo{color:#fff;font-size:15pt;font-weight:bold;font-family:Verdana,sans-serif;letter-spacing:-0.3px;line-height:1;text-decoration:none}
#site-logo:hover{text-decoration:none;opacity:0.9}
#site-logo span{color:#a8d4f0;font-weight:normal}
#site-search{display:flex;align-items:center;gap:0}
#site-search input[type=text]{border:none;border-radius:6px 0 0 6px;padding:7px 12px;font-size:10pt;font-family:Verdana,sans-serif;background:rgba(255,255,255,0.18);color:#fff;width:155px;outline:none}
#site-search input[type=text]::placeholder{color:rgba(255,255,255,0.65)}
#site-search button{background:#fff;color:#1a5276;border:none;border-radius:0 6px 6px 0;padding:7px 10px;font-size:10pt;font-family:Verdana,sans-serif;font-weight:bold;cursor:pointer;line-height:1}

/* ── nav ── */
#site-nav{background:#2a5580;border-bottom:1px solid rgba(255,255,255,0.08)}
#site-nav ul{list-style:none;margin:0 auto;padding:0;display:flex;flex-wrap:wrap;max-width:1100px}
#site-nav ul li a{display:block;color:rgba(255,255,255,0.85);font-size:10pt;font-family:Verdana,sans-serif;padding:10px 16px;letter-spacing:0.3px;transition:background 0.15s,color 0.15s;text-decoration:none}
#site-nav ul li a:hover{background:rgba(255,255,255,0.12);color:#fff;text-decoration:none}
#site-nav ul li a.nav-active{color:#fff;background:rgba(255,255,255,0.1)}
#site-nav ul li a.nav-course{color:#ffd166;font-weight:bold}
#site-nav .nav-search{display:none}
#nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:10px 16px}
#nav-toggle span{display:block;width:22px;height:2px;background:#fff;margin:4px 0;border-radius:2px;transition:0.2s}

/* ── page content ── */
#page-content{padding:20px 24px 32px}

/* ── layout ── */
.page-layout{display:grid;grid-template-columns:1fr 270px;gap:24px;align-items:start}
.page-main{}

/* ── breadcrumb ── */
.breadcrumb{font-size:9pt;color:#888;margin-bottom:18px;display:block}
.breadcrumb a{color:#1a5276}
.breadcrumb span{color:#bbb;margin:0 4px}

/* ── page title ── */
.page-title-row{margin-bottom:16px}
.page-title-row h1{font-family:Verdana,sans-serif;font-size:14pt;font-weight:bold;color:#222;margin:0 0 4px 0;line-height:1.35;display:block}

/* ── blurb / instruction ── */
.blurb-box{background:#e8f1f8;border-left:3px solid #336699;border-radius:0 6px 6px 0;padding:11px 14px;margin-bottom:16px;font-size:11pt;line-height:1.7;color:#222}
.exercise-instruction{font-size:10.5pt;font-style:italic;color:#444;margin-bottom:14px;line-height:1.6;display:block}

/* ── info / tip boxes ── */
.info-box{background:#f5f5f5;border:1px solid #ddd;border-radius:8px;padding:14px 16px;font-size:10pt;line-height:1.75;color:#333;margin-bottom:16px}
.tip-box{background:#e8f5e9;border:1px solid #b2dfdb;border-radius:8px;padding:14px 16px;font-size:10pt;line-height:1.75;color:#222;margin-bottom:16px}
.tip-box-label{display:block;font-size:8.5pt;font-weight:bold;color:#2e7d32;text-transform:uppercase;letter-spacing:0.8px;margin-bottom:10px;font-family:Verdana,sans-serif}

/* ── more-box ── */
.more-box{background:#fffbe6;border:1px solid #e8d68a;border-radius:8px;padding:14px 16px;font-size:10.5pt;margin-bottom:16px;line-height:1.6}
.more-box-label{display:block;font-size:8.5pt;font-weight:bold;color:#7a6200;text-transform:uppercase;letter-spacing:0.8px;margin-bottom:10px;font-family:Verdana,sans-serif}
.more-box a{color:#1a5276;text-decoration:none}
.more-box a:hover{text-decoration:underline}

/* ── check answers button ── */
.check-answers-btn{display:inline-block;background:#336699;color:#fff;text-decoration:none;padding:9px 22px;border-radius:6px;font-size:10.5pt;font-family:Verdana,sans-serif;font-weight:bold;margin-bottom:6px;border:none;cursor:pointer}
.check-answers-btn,.check-answers-btn:link,.check-answers-btn:visited{color:#fff!important}
.check-answers-btn:hover{#2a5580;color:#fff;text-decoration:none}
.check-answers-note{font-size:9pt;color:#666;display:block;margin-top:4px}

/* ── sidebar ── */
.page-sidebar{}
.sidebar-box{background:#f0f7ff;border:1px solid #c5dff5;border-radius:8px;padding:14px 16px;margin-bottom:16px;font-size:10pt;line-height:1.7}
.sidebar-box-label{display:block;font-size:8.5pt;font-weight:bold;color:#1a5276;text-transform:uppercase;letter-spacing:0.8px;margin-bottom:10px;font-family:Verdana,sans-serif}
.sidebar-box a{color:#1a5276;text-decoration:none;display:block;padding:2px 0}
.sidebar-box a:hover{text-decoration:underline}

/* ── lower nav ── */
#lowernav{background:#336699;padding:20px 24px;max-width:1100px;margin:0 auto;font-family:Verdana,sans-serif;font-size:10pt;color:#eee}
#lowernav a{color:#fff}
#lowernav a:hover{text-decoration:underline}
#lowernav .lowernav-promo{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,0.15)}
.promo-btn{display:inline-flex;align-items:center;gap:10px;border-radius:8px;padding:9px 16px;text-decoration:none;width:240px;line-height:1.25}
.promo-btn:hover{opacity:0.88;text-decoration:none}
.promo-btn .promo-arrow{font-size:13pt;color:#fff;flex-shrink:0}
.promo-btn .promo-title{display:block;font-family:Verdana,sans-serif;font-size:10.5pt;font-weight:bold;color:#fff;letter-spacing:0.2px}
.promo-btn .promo-sub{display:block;font-family:Verdana,sans-serif;font-size:8.5pt;color:rgba(255,255,255,0.85);margin-top:2px}
.promo-btn-business{background:#a07840}
.promo-btn-course{background:#2e6e8e}
.promo-btn-worksheets{background:#5a8050}
#lowernav .lowernav-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px 32px;margin-bottom:16px}
#lowernav .lowernav-section-title{font-weight:bold;font-size:9.5pt;color:#fff;margin-bottom:8px;text-transform:uppercase;letter-spacing:0.5px}
#lowernav .lowernav-legal{border-top:1px solid rgba(255,255,255,0.2);padding-top:14px;font-size:9pt;color:rgba(255,255,255,0.75);line-height:1.6}
.social-icons{display:flex;gap:10px;margin-top:6px}
.social-icons img{width:28px;height:28px;border-radius:4px}

/* ── bottom bar ── */
#bottom{background:#1e3f5a;color:rgba(255,255,255,0.75);font-size:9pt;font-family:Verdana,sans-serif;padding:12px 24px;text-align:center;border-radius:0 0 16px 16px;max-width:1100px;margin:0 auto}
#bottom a{color:rgba(255,255,255,0.85)}

/* ── video ── */
.video-container{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:6px;margin-bottom:16px}
.video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%}

/* ── responsive ── */
@media(max-width:950px){
  #site-header{padding:12px 16px}
  #site-logo{font-size:13pt}
  #site-search{display:none}
  #nav-toggle{display:block;margin-left:auto}
  #site-nav ul{flex-direction:column;display:none}
  #site-nav ul.nav-open{display:flex}
  #site-nav ul li a{padding:10px 20px;border-top:1px solid rgba(255,255,255,0.06)}
  #site-nav .nav-search{padding:8px 20px;display:flex;align-items:center;gap:6px;border-top:1px solid rgba(255,255,255,0.06)}
  #site-nav .nav-search input[type=text]{border:1px solid rgba(255,255,255,0.3);border-radius:4px;background:rgba(255,255,255,0.12);color:#fff;padding:5px 10px;font-size:9pt;width:130px;outline:none}
  #site-nav .nav-search button{background:rgba(255,255,255,0.15);border:1px solid rgba(255,255,255,0.3);color:#fff;border-radius:4px;padding:5px 10px;font-size:9pt;cursor:pointer}
  .page-layout{grid-template-columns:1fr}
}
@media(max-width:600px){
  #page-content{padding:14px 14px 24px}
}