/* Shared CalcHub theme — used by static pages */
*, *::before, *::after { box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; background-color: #0d0d14; color: #e2e4ec; margin: 0; }
.site-nav { background:#0d0d14; border-bottom:1px solid #1e1e2e; padding:0 20px; height:60px; display:flex; align-items:center; justify-content:space-between; position:sticky; top:0; z-index:300; }
.nav-logo { display:flex; align-items:center; gap:10px; text-decoration:none; flex-shrink:0; }
.nav-logo-icon { width:32px; height:32px; background:linear-gradient(135deg,#7c5ff5,#ec4899); border-radius:8px; display:flex; align-items:center; justify-content:center; font-size:16px; }
.nav-logo-text { font-size:1rem; font-weight:700; color:#fff; letter-spacing:-0.3px; }
.nav-links { display:flex; align-items:center; gap:6px; }
.nav-link { font-size:0.85rem; font-weight:500; color:#9ca3af; text-decoration:none; padding:6px 12px; border-radius:6px; transition:color .14s,background .14s; }
.nav-link:hover { color:#fff; background:#1c1c2c; }
.nav-btn { font-size:0.82rem; font-weight:600; color:#fff; background:linear-gradient(135deg,#7c5ff5,#ec4899); border:none; padding:7px 16px; border-radius:7px; cursor:pointer; text-decoration:none; margin-left:4px; }
.nav-btn:hover { opacity:.88; color:#fff; }
.hamburger { display:none; flex-direction:column; justify-content:center; align-items:center; width:36px; height:36px; gap:5px; background:none; border:none; cursor:pointer; padding:4px; border-radius:6px; }
.hamburger span { display:block; width:20px; height:2px; background:#9ca3af; border-radius:2px; transition:all .22s; transform-origin:center; }
.hamburger.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity:0; }
.hamburger.open span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }
.mobile-menu { display:none; position:fixed; top:60px; left:0; right:0; background:#0d0d14; border-bottom:1px solid #1e1e2e; padding:12px 20px 20px; z-index:250; flex-direction:column; gap:4px; box-shadow:0 8px 32px rgba(0,0,0,.5); }
.mobile-menu.open { display:flex; }
.mobile-menu .nav-link { font-size:0.95rem; padding:10px 14px; border-radius:8px; color:#e2e4ec; }
.mobile-menu .nav-btn { margin:8px 0 0; text-align:center; padding:11px 16px; font-size:0.9rem; border-radius:9px; display:block; }
.breadcrumb-bar { background:#0d0d14; border-bottom:1px solid #1e1e2e; padding:10px 20px; font-size:0.8rem; color:#6b7280; }
.breadcrumb-bar a { color:#7c5ff5; text-decoration:none; }

/* Default static page wrap */
.page-wrap { max-width:1000px; margin:0 auto; padding:32px 16px 60px; }
.page-hero { background:linear-gradient(135deg,rgba(124,95,245,.15),rgba(236,72,153,.1)); border:1px solid rgba(124,95,245,.25); border-radius:14px; padding:36px 28px; margin-bottom:24px; text-align:center; }
.page-badge { display:inline-block; font-size:0.68rem; font-weight:700; color:#7c5ff5; text-transform:uppercase; letter-spacing:.1em; background:rgba(124,95,245,.1); border:1px solid rgba(124,95,245,.22); border-radius:20px; padding:4px 14px; margin-bottom:14px; }
.page-title { font-size:2rem; font-weight:700; color:#fff; margin:0 0 8px; letter-spacing:-0.5px; }
.page-subtitle { font-size:0.95rem; color:#9ca3af; margin:0; line-height:1.6; max-width:640px; margin-left:auto; margin-right:auto; }

/* Calculator page layout (with sidebar) */
.calc-page-wrap { max-width:1200px; margin:0 auto; padding:24px 16px 40px; display:grid; grid-template-columns:1fr 268px; gap:24px; align-items:start; }
.calc-page-wrap > main { min-width:0; }

/* Sidebar */
.sidebar { display:flex; flex-direction:column; gap:14px; position:sticky; top:80px; }
.sidebar-card { background:#13131f; border:1px solid #1e1e2e; border-radius:12px; padding:16px 18px; }
.sidebar-title { font-size:0.78rem; font-weight:700; color:#9ca3af; text-transform:uppercase; letter-spacing:.07em; margin-bottom:12px; }
.ref-row { display:flex; justify-content:space-between; gap:8px; font-size:0.78rem; padding:5px 0; border-bottom:1px solid #1a1a2a; }
.ref-row:last-child { border-bottom:none; }
.ref-row .ref-l { color:#9ca3af; }
.ref-row .ref-r { color:#fff; font-weight:700; }
.related-item { display:flex; align-items:center; gap:12px; padding:9px 0; text-decoration:none; border-bottom:1px solid #1a1a2a; }
.related-item:last-child { border-bottom:none; padding-bottom:0; }
.related-item:hover { opacity:.8; }
.related-icon { width:32px; height:32px; border-radius:8px; display:flex; align-items:center; justify-content:center; font-size:15px; flex-shrink:0; }
.related-name { font-size:0.82rem; font-weight:600; color:#e2e4ec; }
.related-desc { font-size:0.74rem; color:#6b7280; margin-top:1px; }
.tip-row { display:flex; gap:8px; margin-bottom:9px; align-items:flex-start; }
.tip-row:last-child { margin-bottom:0; }
.tip-dot { width:6px; height:6px; border-radius:50%; background:#7c5ff5; flex-shrink:0; margin-top:5px; }
.tip-text { font-size:0.8rem; color:#9ca3af; line-height:1.55; }
.tip-text strong { color:#e2e4ec; }

/* Blog section */
.blog-section { max-width:1200px; margin:0 auto; padding:0 16px 48px; }
.blog-section-header { display:flex; align-items:center; gap:12px; margin-bottom:20px; }
.blog-section-badge { font-size:0.68rem; font-weight:700; color:#7c5ff5; text-transform:uppercase; letter-spacing:.1em; background:rgba(124,95,245,.1); border:1px solid rgba(124,95,245,.22); border-radius:20px; padding:4px 12px; }
.blog-section-title { font-size:1.2rem; font-weight:700; color:#fff; margin:0; }
.blog-intro { background:#13131f; border:1px solid #1e1e2e; border-radius:12px; padding:22px 24px; margin-bottom:18px; font-size:0.9rem; color:#9ca3af; line-height:1.75; }
.blog-intro strong { color:#e2e4ec; }
.blog-intro p { margin:0 0 12px; }
.blog-intro p:last-child { margin-bottom:0; }
.blog-grid { display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-bottom:24px; }
.blog-card { background:#13131f; border:1px solid #1e1e2e; border-radius:12px; padding:20px 22px; }
.blog-card-icon { width:36px; height:36px; border-radius:9px; background:rgba(124,95,245,.13); border:1px solid rgba(124,95,245,.2); display:flex; align-items:center; justify-content:center; font-size:17px; margin-bottom:13px; }
.blog-card h3 { font-size:0.92rem; font-weight:700; color:#fff; margin:0 0 8px; }
.blog-card p { font-size:0.82rem; color:#9ca3af; line-height:1.7; margin:0; }

/* FAQ */
.faq-item { background:#13131f; border:1px solid #1e1e2e; border-radius:10px; margin-bottom:8px; cursor:pointer; overflow:hidden; }
.faq-item:hover { border-color:#2c2c42; }
.faq-q { display:flex; align-items:center; justify-content:space-between; padding:15px 18px; gap:12px; }
.faq-q-text { font-size:0.88rem; font-weight:600; color:#e2e4ec; }
.faq-chevron { width:18px; height:18px; color:#7c5ff5; flex-shrink:0; transition:transform .2s; }
.faq-item.open .faq-chevron { transform:rotate(180deg); }
.faq-a { max-height:0; overflow:hidden; transition:max-height .3s ease; }
.faq-a-inner { padding:0 18px 15px; font-size:0.84rem; color:#9ca3af; line-height:1.75; border-top:1px solid #1e1e2e; padding-top:13px; }
.faq-item.open .faq-a { max-height:500px; }
.faq-a-inner strong { color:#e2e4ec; }

/* Share bar */
.share-bar { max-width:1200px; margin:0 auto; padding:0 16px 48px; }
.share-inner { background:#13131f; border:1px solid #1e1e2e; border-radius:12px; padding:20px 24px; display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; }
.share-heading { font-size:0.88rem; font-weight:700; color:#e2e4ec; }
.share-sub { font-size:0.76rem; color:#6b7280; }
.share-btns { display:flex; gap:8px; flex-wrap:wrap; }
.share-btn { display:inline-flex; align-items:center; gap:7px; padding:9px 16px; border-radius:8px; font-size:0.82rem; font-weight:700; text-decoration:none; border:none; cursor:pointer; transition:opacity .15s,transform .12s; white-space:nowrap; color:#fff; }
.share-btn:hover { opacity:.88; transform:translateY(-1px); color:#fff; }
.share-btn-tw { background:#000; }
.share-btn-fb { background:#1877f2; }
.share-btn-wa { background:#25d366; }
.share-btn svg { width:15px; height:15px; fill:currentColor; flex-shrink:0; }

/* Generic card (used by static info pages and below-fold info card) */
.card-dark { background:#13131f; border:1px solid #1e1e2e; border-radius:12px; padding:22px 24px; margin-bottom:18px; }
.card-dark h2 { font-size:1.1rem; font-weight:700; color:#fff; margin:0 0 12px; }
.card-dark h2:not(:first-child) { margin-top:24px; }
.card-dark h3 { font-size:0.95rem; font-weight:700; color:#e2e4ec; margin:18px 0 8px; }
.card-dark p { font-size:0.92rem; color:#9ca3af; line-height:1.75; margin:0 0 12px; }
.card-dark p:last-child { margin-bottom:0; }
.card-dark strong { color:#e2e4ec; }
.card-dark ul, .card-dark ol { color:#9ca3af; font-size:0.9rem; line-height:1.8; padding-left:22px; margin:0 0 12px; }
.card-dark li { margin-bottom:4px; }
.card-dark a { color:#a78bfa; text-decoration:none; }
.card-dark a:hover { color:#c4b5fd; text-decoration:underline; }
.muted-note { font-size:0.78rem; color:#6b7280; padding:10px 14px; background:#0d0d14; border:1px solid #1e1e2e; border-radius:8px; margin-bottom:18px; }

/* Two-col team / value grid (used by about/contact) */
.feature-grid { display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-top:14px; }
.feature-box { background:#0d0d14; border:1px solid #1e1e2e; border-radius:10px; padding:18px 20px; }
.feature-icon { width:36px; height:36px; border-radius:9px; background:rgba(124,95,245,.13); border:1px solid rgba(124,95,245,.2); display:flex; align-items:center; justify-content:center; font-size:17px; margin-bottom:12px; }
.feature-box h3 { margin:0 0 6px; font-size:0.92rem; font-weight:700; color:#fff; }
.feature-box p { font-size:0.82rem; color:#6b7280; line-height:1.65; margin:0; }
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-top:14px; }
.stat-box { background:#0d0d14; border:1px solid #1e1e2e; border-radius:10px; padding:16px 14px; text-align:center; }
.stat-num { font-size:1.4rem; font-weight:700; color:#fff; letter-spacing:-0.5px; background:linear-gradient(135deg,#7c5ff5,#ec4899); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.stat-lbl { font-size:0.72rem; font-weight:600; color:#9ca3af; text-transform:uppercase; letter-spacing:.06em; margin-top:4px; }

/* Forms (used by contact + calculator inputs) */
.form-group { display:flex; flex-direction:column; gap:6px; margin-bottom:14px; }
.form-label { font-size:0.78rem; font-weight:600; color:#9ca3af; }
.input-wrap { display:flex; align-items:center; background:#0d0d14; border:1px solid #2a2a40; border-radius:8px; overflow:hidden; transition:border-color .15s,box-shadow .15s; }
.input-wrap:focus-within { border-color:#7c5ff5; box-shadow:0 0 0 3px rgba(124,95,245,.15); }
.input-wrap input, .input-wrap select, .input-wrap textarea { flex:1; padding:10px 12px; font-size:0.9rem; font-family:'Inter',sans-serif; color:#e2e4ec; background:transparent; border:none; outline:none; min-width:0; resize:vertical; }
.input-wrap textarea { min-height:130px; line-height:1.55; }
.input-wrap input::placeholder, .input-wrap textarea::placeholder { color:#4b5563; }
.input-wrap select option { background:#13131f; }
.two-col-form { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.calc-btn { width:100%; padding:13px; background:linear-gradient(135deg,#7c5ff5,#ec4899); color:#fff; font-size:0.95rem; font-weight:700; border:none; border-radius:9px; cursor:pointer; transition:opacity .14s; font-family:'Inter',sans-serif; }
.calc-btn:hover { opacity:.88; }
.form-success { display:none; margin-top:14px; padding:14px 16px; background:rgba(74,222,128,.08); border:1px solid rgba(74,222,128,.3); border-radius:9px; color:#4ade80; font-size:0.88rem; font-weight:600; }
.form-success.show { display:block; }

.contact-info-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:14px; }
.contact-info-box { background:#0d0d14; border:1px solid #1e1e2e; border-radius:10px; padding:18px 16px; text-align:center; }
.contact-info-box .feature-icon { margin:0 auto 10px; }
.contact-info-box .ci-label { font-size:0.72rem; font-weight:700; color:#6b7280; text-transform:uppercase; letter-spacing:.06em; margin-bottom:4px; }
.contact-info-box .ci-val { font-size:0.88rem; font-weight:600; color:#e2e4ec; word-break:break-word; }

/* TOC */
.toc { background:#0d0d14; border:1px solid #1e1e2e; border-radius:10px; padding:14px 18px; margin-bottom:18px; }
.toc-title { font-size:0.72rem; font-weight:700; color:#9ca3af; text-transform:uppercase; letter-spacing:.07em; margin-bottom:10px; }
.toc ol { columns:2; column-gap:24px; padding-left:18px; margin:0; font-size:0.85rem; color:#a78bfa; }
.toc ol li { margin-bottom:5px; break-inside:avoid; }
.toc ol a { color:#a78bfa; text-decoration:none; }
.toc ol a:hover { color:#c4b5fd; text-decoration:underline; }

.site-footer { text-align:center; padding:24px 16px; font-size:0.8rem; color:#4b5563; border-top:1px solid #1e1e2e; background:#0d0d14; }
.footer-links { display:flex; justify-content:center; gap:20px; margin-top:8px; flex-wrap:wrap; }
.footer-links a { color:#4b5563; text-decoration:none; font-size:0.78rem; } .footer-links a:hover { color:#9ca3af; }

/* Responsive */
@media (max-width:980px) {
  .calc-page-wrap { grid-template-columns:1fr; }
  .sidebar { position:static; display:grid; grid-template-columns:1fr 1fr; gap:14px; }
}
@media (max-width:780px) {
  .nav-links { display:none; } .hamburger { display:flex; }
  .page-title { font-size:1.5rem; }
  .feature-grid { grid-template-columns:1fr; }
  .stats-grid { grid-template-columns:1fr 1fr; }
  .contact-info-grid { grid-template-columns:1fr; }
  .two-col-form { grid-template-columns:1fr; }
  .toc ol { columns:1; }
  .card-dark { padding:20px 18px; }
  .page-hero { padding:28px 18px; }
  .blog-grid { grid-template-columns:1fr; }
}
@media (max-width:580px) {
  .sidebar { grid-template-columns:1fr; }
}