/* ============================================================
   ToolKit UK — Global Stylesheet
   ============================================================ */
:root {
  --bg: #F6F4EF;
  --bg2: #EDEAE3;
  --surface: #FFFFFF;
  --accent: #1A3C5E;
  --accent-hover: #0D2B45;
  --accent2: #2E7D52;
  --accent2-hover: #235F3F;
  --gold: #C8992A;
  --danger: #C0392B;
  --text: #1C1C1C;
  --text2: #5A5A5A;
  --text3: #9A9A9A;
  --border: #D8D4CC;
  --border2: #E8E4DC;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 16px rgba(0,0,0,0.07);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.13);
  --font: 'DM Sans', sans-serif;
  --font-serif: 'DM Serif Display', serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }

/* ---- HEADER ---- */
.site-header { background: var(--accent); position: sticky; top: 0; z-index: 200; box-shadow: 0 2px 20px rgba(0,0,0,0.2); }
.header-inner { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between; height: 62px; }
.logo { font-family: var(--font-serif); font-size: 21px; color: #fff; text-decoration: none; display: flex; align-items: center; gap: 9px; }
.logo-badge { width: 34px; height: 34px; background: var(--gold); border-radius: 9px; display: flex; align-items: center; justify-content: center; font-size: 17px; flex-shrink: 0; }
.site-nav { display: flex; align-items: center; gap: 2px; }
.site-nav a { color: rgba(255,255,255,0.72); text-decoration: none; font-size: 14px; font-weight: 500; padding: 6px 13px; border-radius: 7px; transition: all 0.18s; }
.site-nav a:hover, .site-nav a.active { background: rgba(255,255,255,0.12); color: #fff; }
.nav-blog { background: rgba(200,153,42,0.2) !important; color: var(--gold) !important; border: 1px solid rgba(200,153,42,0.35) !important; }
.nav-blog:hover { background: rgba(200,153,42,0.3) !important; }
.hamburger { display: none; background: none; border: none; color: #fff; font-size: 22px; cursor: pointer; }

/* ---- BREADCRUMB ---- */
.breadcrumb { font-size: 13px; color: var(--text3); margin-bottom: 14px; }
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { margin: 0 6px; }

/* ---- PAGE LAYOUT ---- */
.page-wrap { max-width: 1200px; margin: 0 auto; padding: 36px 1.5rem 80px; }
.two-col { display: grid; grid-template-columns: 1fr 340px; gap: 36px; align-items: start; }
.sidebar { position: sticky; top: 80px; display: flex; flex-direction: column; gap: 20px; }

/* ---- TOOL CARD ---- */
.tool-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 28px; box-shadow: var(--shadow-md); }
.tool-box-title { font-family: var(--font-serif); font-size: 26px; margin-bottom: 6px; }
.tool-box-desc { font-size: 15px; color: var(--text2); margin-bottom: 24px; line-height: 1.6; }

/* ---- FORM ELEMENTS ---- */
.field { margin-bottom: 14px; }
.label { display: block; font-size: 12px; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: 0.055em; margin-bottom: 6px; }
.inp { width: 100%; padding: 11px 14px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-family: var(--font); font-size: 15px; color: var(--text); background: var(--bg); outline: none; transition: border-color 0.2s, box-shadow 0.2s; }
.inp:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(26,60,94,0.08); }
select.inp { cursor: pointer; }
.inp-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.btn { display: block; width: 100%; padding: 13px 20px; border: none; border-radius: var(--radius-sm); font-family: var(--font); font-size: 15px; font-weight: 600; cursor: pointer; transition: all 0.18s; text-align: center; }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-green { background: var(--accent2); color: #fff; }
.btn-green:hover { background: var(--accent2-hover); }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: #b08620; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #a0301f; }
.btn-outline { background: transparent; border: 1.5px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: rgba(26,60,94,0.04); }
.btn-half { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* ---- RESULT BOX ---- */
.result-box { margin-top: 20px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; display: none; }
.result-box.show { display: block; animation: slideIn 0.25s ease; }
@keyframes slideIn { from { opacity:0; transform: translateY(8px); } to { opacity:1; transform: translateY(0); } }
.result-hero { background: var(--accent); color: #fff; padding: 18px 20px; text-align: center; }
.result-hero.green { background: var(--accent2); }
.result-hero.gold { background: var(--gold); }
.result-hero-val { font-family: var(--font-serif); font-size: 36px; line-height: 1.1; }
.result-hero-label { font-size: 13px; opacity: 0.75; margin-top: 3px; }
.result-rows { background: var(--bg); }
.result-row { display: flex; justify-content: space-between; align-items: center; padding: 11px 18px; border-bottom: 1px solid var(--border2); font-size: 14px; }
.result-row:last-child { border-bottom: none; }
.result-row-label { color: var(--text2); }
.result-row-val { font-weight: 600; }

/* ---- CONTENT SECTION (SEO text) ---- */
.content-block { margin-top: 44px; }
.content-block h2 { font-family: var(--font-serif); font-size: 24px; margin-bottom: 14px; margin-top: 32px; }
.content-block h2:first-child { margin-top: 0; }
.content-block h3 { font-size: 17px; font-weight: 600; color: var(--accent); margin: 22px 0 9px; }
.content-block p { color: var(--text2); margin-bottom: 13px; font-size: 15px; }
.content-block ul, .content-block ol { color: var(--text2); margin: 0 0 14px 22px; font-size: 15px; }
.content-block li { margin-bottom: 5px; }
.info-box { background: #EBF1F8; border-left: 4px solid var(--accent); padding: 14px 18px; border-radius: 0 8px 8px 0; margin: 18px 0; font-size: 15px; }
.example-box { background: #EAF5EE; border: 1px solid #9FE1CB; border-radius: 8px; padding: 15px 18px; margin: 14px 0; font-size: 14px; line-height: 1.8; }
.warning-box { background: #FEF3E2; border-left: 4px solid var(--gold); padding: 14px 18px; border-radius: 0 8px 8px 0; margin: 18px 0; font-size: 15px; }

/* ---- DATA TABLE ---- */
.data-table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; border-radius: var(--radius-sm); overflow: hidden; box-shadow: var(--shadow); }
.data-table th { background: var(--accent); color: #fff; padding: 11px 14px; text-align: left; font-weight: 500; font-size: 13px; }
.data-table td { padding: 10px 14px; border-bottom: 1px solid var(--border2); color: var(--text2); }
.data-table tr:nth-child(even) td { background: var(--bg); }
.data-table tr:last-child td { border-bottom: none; }

/* ---- FAQ ---- */
.faq-list { margin-top: 8px; }
.faq-item { border-bottom: 1px solid var(--border2); }
.faq-q { padding: 15px 0; font-weight: 600; font-size: 15px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; user-select: none; }
.faq-q:hover { color: var(--accent); }
.faq-icon { width: 22px; height: 22px; border-radius: 50%; background: var(--bg2); display: flex; align-items: center; justify-content: center; font-size: 14px; flex-shrink: 0; transition: background 0.2s; }
.faq-q.open .faq-icon { background: var(--accent); color: #fff; }
.faq-a { font-size: 14px; color: var(--text2); padding-bottom: 15px; display: none; line-height: 1.7; }
.faq-a.show { display: block; }

/* ---- SIDEBAR WIDGETS ---- */
.sidebar-widget { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.sidebar-widget h3 { font-family: var(--font-serif); font-size: 18px; margin-bottom: 14px; }
.related-link { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--border2); text-decoration: none; color: var(--text); font-size: 14px; transition: color 0.18s; }
.related-link:last-child { border-bottom: none; }
.related-link:hover { color: var(--accent); }
.related-icon { width: 32px; height: 32px; border-radius: 7px; display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; background: var(--bg2); }
.sidebar-ad { background: var(--bg2); border: 1px dashed var(--border); border-radius: var(--radius); min-height: 250px; display: flex; align-items: center; justify-content: center; text-align: center; color: var(--text3); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; padding: 20px; }
.quick-facts { font-size: 13px; color: var(--text2); line-height: 2; }
.quick-facts strong { color: var(--text); }

/* ---- AD BANNER ---- */
.ad-banner { background: var(--bg2); border: 1px dashed var(--border); border-radius: 8px; padding: 18px; text-align: center; color: var(--text3); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; margin: 28px 0; }

/* ---- DROP ZONE ---- */
.drop-zone { border: 2px dashed var(--border); border-radius: var(--radius-sm); padding: 28px 20px; text-align: center; background: var(--bg); cursor: pointer; transition: all 0.2s; margin-bottom: 14px; }
.drop-zone:hover, .drop-zone.over { border-color: var(--accent); background: #EBF0F7; }
.drop-icon { font-size: 30px; margin-bottom: 8px; }
.drop-text { font-size: 14px; color: var(--text2); }
.drop-text strong { color: var(--accent); }
.drop-note { font-size: 12px; color: var(--text3); margin-top: 5px; }
.progress-wrap { background: var(--bg2); border-radius: 4px; height: 7px; overflow: hidden; margin: 10px 0; display: none; }
.progress-bar { height: 100%; background: var(--accent2); border-radius: 4px; width: 0%; transition: width 0.25s; }
.output-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 12px; }

/* ---- UNIT TABS ---- */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.tab { padding: 6px 14px; font-size: 13px; font-weight: 500; border: 1.5px solid var(--border); border-radius: 20px; cursor: pointer; transition: all 0.18s; background: var(--surface); color: var(--text2); }
.tab:hover { border-color: var(--accent); color: var(--accent); }
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---- BLOG ---- */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 24px; }
.blog-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: box-shadow 0.2s, transform 0.2s; }
.blog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.blog-card-img { width: 100%; height: 180px; object-fit: cover; background: var(--bg2); display: flex; align-items: center; justify-content: center; font-size: 40px; }
.blog-card-body { padding: 20px; }
.blog-card-cat { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; color: var(--accent2); margin-bottom: 7px; }
.blog-card-title { font-family: var(--font-serif); font-size: 19px; margin-bottom: 9px; color: var(--text); text-decoration: none; display: block; line-height: 1.3; }
.blog-card-title:hover { color: var(--accent); }
.blog-card-excerpt { font-size: 13px; color: var(--text2); line-height: 1.6; margin-bottom: 14px; }
.blog-card-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--text3); }
.blog-article h1 { font-family: var(--font-serif); font-size: 36px; line-height: 1.2; margin-bottom: 14px; }
.blog-article .article-meta { font-size: 13px; color: var(--text3); margin-bottom: 28px; display: flex; gap: 16px; flex-wrap: wrap; }
.blog-article .article-body h2 { font-family: var(--font-serif); font-size: 24px; margin: 32px 0 12px; }
.blog-article .article-body h3 { font-size: 18px; font-weight: 600; color: var(--accent); margin: 22px 0 9px; }
.blog-article .article-body p { color: var(--text2); margin-bottom: 14px; font-size: 16px; line-height: 1.75; }
.blog-article .article-body ul, .blog-article .article-body ol { color: var(--text2); margin: 0 0 16px 24px; font-size: 15px; }
.blog-article .article-body li { margin-bottom: 6px; }
.category-badge { display: inline-block; background: var(--bg2); color: var(--text2); font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 20px; text-decoration: none; }
.category-badge:hover { background: var(--accent); color: #fff; }

/* ---- FOOTER ---- */
.site-footer { background: var(--accent); color: rgba(255,255,255,0.7); padding: 48px 1.5rem 28px; }
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 36px; }
.footer-brand .logo { margin-bottom: 12px; display: inline-flex; }
.footer-brand p { font-size: 13px; line-height: 1.7; max-width: 260px; }
.footer-col h4 { font-size: 13px; font-weight: 600; color: #fff; text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 12px; }
.footer-col a { display: block; color: rgba(255,255,255,0.65); text-decoration: none; font-size: 13px; margin-bottom: 8px; transition: color 0.18s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; font-size: 12px; flex-wrap: wrap; gap: 12px; }
.footer-bottom a { color: rgba(255,255,255,0.6); text-decoration: none; margin-left: 16px; }
.footer-bottom a:hover { color: #fff; }

/* ---- HERO (homepage) ---- */
.hero { background: linear-gradient(135deg, var(--accent) 0%, #0C2338 100%); padding: 68px 1.5rem 76px; text-align: center; position: relative; overflow: hidden; }
.hero::before { content:''; position:absolute; top:-80px; right:-80px; width:450px; height:450px; background:radial-gradient(circle,rgba(200,153,42,0.15),transparent 70%); pointer-events:none; }
.hero-tag { display:inline-block; background:rgba(200,153,42,0.18); border:1px solid rgba(200,153,42,0.38); color:var(--gold); font-size:12px; font-weight:600; letter-spacing:0.08em; text-transform:uppercase; padding:5px 14px; border-radius:20px; margin-bottom:18px; }
.hero h1 { font-family:var(--font-serif); font-size:clamp(32px,5vw,58px); color:#fff; line-height:1.15; margin-bottom:18px; }
.hero h1 em { font-style:italic; color:var(--gold); }
.hero p { color:rgba(255,255,255,0.7); font-size:18px; max-width:540px; margin:0 auto 32px; }
.hero-badges { display:flex; gap:10px; justify-content:center; flex-wrap:wrap; }
.hero-badge { background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.15); color:rgba(255,255,255,0.82); padding:5px 15px; border-radius:20px; font-size:13px; }

/* ---- TOOL CATEGORY GRID (homepage) ---- */
.cat-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:16px; }
.cat-card { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:22px 18px; text-decoration:none; color:var(--text); transition:all 0.2s; box-shadow:var(--shadow); }
.cat-card:hover { box-shadow:var(--shadow-lg); transform:translateY(-3px); border-color:var(--accent); }
.cat-icon { font-size:28px; margin-bottom:10px; }
.cat-title { font-family:var(--font-serif); font-size:17px; margin-bottom:5px; }
.cat-count { font-size:12px; color:var(--text3); }

/* ---- SECTION HEADER ---- */
.section-hdr { margin:52px 0 24px; }
.section-hdr h2 { font-family:var(--font-serif); font-size:28px; }
.section-hdr p { color:var(--text2); font-size:15px; margin-top:6px; }

/* ---- RESPONSIVE ---- */
@media(max-width:900px) {
  .two-col { grid-template-columns:1fr; }
  .sidebar { position:static; }
  .footer-top { grid-template-columns:1fr 1fr; }
}
@media(max-width:640px) {
  .site-nav { display:none; }
  .site-nav.open { display:flex; flex-direction:column; position:fixed; top:62px; left:0; right:0; background:var(--accent); padding:16px; z-index:300; gap:4px; }
  .hamburger { display:block; }
  .inp-row { grid-template-columns:1fr; }
  .blog-grid { grid-template-columns:1fr; }
  .footer-top { grid-template-columns:1fr; }
  .hero h1 { font-size:28px; }
}