/* ── GIS Projection Finder — CSS ── */
:root{
  --bg:#0f0f14;--bg-card:#1e1e28;--bg-surface:#18181f;
  --primary:#3b82f6;--secondary:#2563eb;--accent:#60a5fa;
  --green:#22c55e;--orange:#f97316;--purple:#a78bfa;--teal:#2dd4bf;
  --text:#e8e8f0;--text-muted:#9999b8;--text-faint:#555570;
  --border:rgba(255,255,255,.08);--border-strong:rgba(255,255,255,.14);
  --radius:14px;--radius-sm:8px;
  --font:'Inter',system-ui,sans-serif;--font-mono:'Fira Code','Cascadia Code',monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
code{font-family:var(--font-mono);font-size:.85em;background:rgba(59,130,246,.1);color:#93c5fd;padding:2px 6px;border-radius:4px}

.site-header{background:rgba(15,15,20,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:200;padding:0 24px;height:58px;display:flex;align-items:center}
.header-inner{width:100%;max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none}
.logo-icon{width:32px;height:32px;flex-shrink:0}
.logo-text{font-size:.97rem;font-weight:700;color:var(--text);letter-spacing:-.01em}
.main-nav{display:flex;gap:6px}
.nav-link{padding:5px 12px;border-radius:var(--radius-sm);font-size:.84rem;font-weight:500;color:var(--text-muted);text-decoration:none;transition:color .15s,background .15s}
.nav-link:hover,.nav-link.active{color:var(--text);background:rgba(255,255,255,.06)}

.main-wrap{max-width:1060px;margin:0 auto;padding:28px 24px 80px}
@media(max-width:640px){.main-wrap{padding:18px 14px 60px}}

.tool-hero{text-align:center;padding:24px 0 20px}
.tool-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;background:rgba(59,130,246,.1);color:var(--primary);border-radius:20px;font-size:.73rem;font-weight:600;margin-bottom:12px}
.tool-title{font-size:clamp(1.6rem,4vw,2.2rem);font-weight:800;letter-spacing:-.02em;margin-bottom:8px}
.gradient-title{background:linear-gradient(135deg,var(--teal),var(--primary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.tool-subtitle{font-size:.97rem;color:var(--text-muted);max-width:640px;margin:0 auto}

.ad-slot{background:rgba(255,255,255,.02);border:1px dashed rgba(255,255,255,.07);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;min-height:90px;font-size:.75rem;color:var(--text-faint);text-align:center;padding:12px;margin-bottom:20px}

.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:16px}
.card-header{padding:12px 18px;border-bottom:1px solid var(--border);background:rgba(255,255,255,.02);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.card-icon{width:28px;height:28px;border-radius:7px;background:rgba(59,130,246,.12);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.card-icon svg{width:13px;height:13px;color:var(--primary)}
.card-title{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint)}
.card-body{padding:18px}

.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 20px;border-radius:var(--radius-sm);background:var(--primary);color:#fff;font-weight:700;font-size:.88rem;border:none;cursor:pointer;transition:background .15s;white-space:nowrap}
.btn-primary:hover{background:var(--secondary)}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 14px;border-radius:var(--radius-sm);background:transparent;color:var(--text-muted);font-size:.82rem;font-weight:600;border:1px solid var(--border);cursor:pointer;transition:border-color .15s,color .15s;white-space:nowrap}
.btn-outline:hover{border-color:var(--primary);color:var(--text)}

/* Search bar */
.search-wrap{position:relative}
.search-input{width:100%;padding:12px 44px 12px 16px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:.92rem;outline:none;transition:border-color .15s}
.search-input:focus{border-color:var(--primary)}
.search-input::placeholder{color:var(--text-faint)}
.search-icon{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--text-faint);pointer-events:none}
.search-clear{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-faint);cursor:pointer;font-size:1rem;padding:2px 6px;border-radius:4px;display:none}
.search-clear.visible{display:block}
.search-clear:hover{color:var(--text)}

/* Filter chips */
.filter-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
.filter-chip{padding:4px 12px;border-radius:12px;font-size:.75rem;font-weight:600;border:1px solid var(--border);background:transparent;color:var(--text-muted);cursor:pointer;transition:all .15s;white-space:nowrap}
.filter-chip:hover{border-color:rgba(59,130,246,.4);color:var(--text)}
.filter-chip.active{background:rgba(59,130,246,.12);border-color:rgba(59,130,246,.4);color:#93c5fd}

/* Results count */
.results-meta{font-size:.78rem;color:var(--text-faint);margin-top:10px;padding:0 2px}

/* Results list */
.results-list{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.result-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;cursor:pointer;transition:border-color .2s}
.result-card:hover{border-color:rgba(59,130,246,.3)}
.result-card.expanded{border-color:rgba(59,130,246,.4)}
.result-header{padding:12px 14px;display:flex;align-items:flex-start;gap:10px;flex-wrap:wrap}
.result-epsg{font-family:var(--font-mono);font-size:.78rem;font-weight:700;color:var(--teal);background:rgba(45,212,191,.08);padding:3px 8px;border-radius:6px;white-space:nowrap;flex-shrink:0;margin-top:1px}
.result-name{font-size:.88rem;font-weight:600;color:var(--text);flex:1;min-width:120px;line-height:1.35}
.result-tags{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}
.tag{display:inline-flex;padding:2px 8px;border-radius:8px;font-size:.67rem;font-weight:700;white-space:nowrap}
.tag-proj{background:rgba(167,139,250,.1);color:var(--purple)}
.tag-geo{background:rgba(59,130,246,.1);color:#93c5fd}
.tag-region{background:rgba(249,115,22,.08);color:#fdba74}
.tag-units{background:rgba(34,197,94,.08);color:#86efac}

/* Expanded detail */
.result-detail{padding:0 14px 14px;border-top:1px solid var(--border);display:none}
.result-card.expanded .result-detail{display:block}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;margin:12px 0 10px}
@media(max-width:500px){.detail-grid{grid-template-columns:1fr}}
.detail-row{display:flex;flex-direction:column;gap:2px}
.detail-label{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint)}
.detail-value{font-size:.82rem;color:var(--text-muted);font-family:var(--font-mono)}
.detail-value.long{font-family:var(--font);word-break:break-word}
.wkt-block{font-family:var(--font-mono);font-size:.72rem;line-height:1.55;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;color:#94a3b8;overflow-x:auto;white-space:pre-wrap;word-break:break-all;margin-top:6px;max-height:160px;overflow-y:auto}
.detail-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}

/* No results */
.no-results{text-align:center;padding:36px 20px;color:var(--text-faint);font-size:.88rem}
.no-results strong{display:block;font-size:1rem;color:var(--text-muted);margin-bottom:6px}

/* Popular projections grid */
.popular-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin-top:10px}
.pop-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 14px;cursor:pointer;transition:border-color .15s}
.pop-card:hover{border-color:rgba(59,130,246,.35)}
.pop-epsg{font-family:var(--font-mono);font-size:.75rem;font-weight:700;color:var(--teal);margin-bottom:4px}
.pop-name{font-size:.82rem;font-weight:600;color:var(--text);margin-bottom:3px;line-height:1.3}
.pop-desc{font-size:.73rem;color:var(--text-faint);line-height:1.4}

/* Page sections */
.page-section{padding:40px 0 0}
.section-head{text-align:center;margin-bottom:28px}
.section-title{font-size:clamp(1.3rem,3vw,1.7rem);font-weight:800;letter-spacing:-.02em}
.section-desc{font-size:.93rem;color:var(--text-muted);margin-top:6px}
.section-divider{height:1px;background:var(--border);margin:40px 0 0}

.features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.feature-icon{font-size:1.5rem;margin-bottom:8px}
.feature-title{font-size:.9rem;font-weight:700;margin-bottom:4px}
.feature-desc{font-size:.8rem;color:var(--text-muted);line-height:1.5}

.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;font-size:.9rem;font-weight:600;background:none;border:none;color:var(--text);cursor:pointer;text-align:left;gap:10px}
.faq-icon{font-size:1.2rem;color:var(--text-faint);flex-shrink:0;transition:transform .2s}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:400px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a p{padding:0 18px 16px;font-size:.85rem;color:var(--text-muted);line-height:1.65}

.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.related-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:6px;text-decoration:none;transition:border-color .15s}
.related-card:hover{border-color:var(--primary);text-decoration:none}
.related-icon{width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;margin-bottom:4px}
.related-icon svg{width:17px;height:17px;color:#fff}
.related-name{font-size:.88rem;font-weight:700;color:var(--text)}
.related-desc{font-size:.77rem;color:var(--text-muted);line-height:1.4}
.related-link{font-size:.75rem;color:var(--primary);font-weight:600;margin-top:auto}

.blog-related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.blog-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:6px;text-decoration:none;transition:border-color .15s}
.blog-card:hover{border-color:var(--primary);text-decoration:none}
.blog-tag-sm{font-size:.7rem;font-weight:700;color:var(--primary)}
.blog-title-sm{font-size:.85rem;font-weight:600;color:var(--text);line-height:1.4}
.blog-link{font-size:.75rem;color:var(--primary);font-weight:600;margin-top:auto}

.site-footer{border-top:1px solid var(--border);padding:40px 24px 28px;margin-top:60px}
.footer-grid{max-width:1060px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:28px}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}
.footer-brand-text{font-size:.82rem;color:var(--text-faint);margin-top:8px;line-height:1.5}
.footer-heading{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-faint);margin-bottom:10px}
.footer-links{display:flex;flex-direction:column;gap:7px}
.footer-links a{font-size:.83rem;color:var(--text-muted)}
.footer-links a:hover{color:var(--text)}
.footer-bottom{max-width:1060px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;font-size:.75rem;color:var(--text-faint);flex-wrap:wrap;gap:8px;padding-top:16px;border-top:1px solid var(--border)}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(12px);background:#22c55e;color:#fff;padding:8px 18px;border-radius:20px;font-size:.82rem;font-weight:600;opacity:0;transition:opacity .2s,transform .2s;pointer-events:none;z-index:999;white-space:nowrap}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}