/*
Theme Name: LabTools
Theme URI: https://www.labtools.us/
Author: relanzamiento labtools.us
Description: Ultralight, mobile-first custom theme for labtools.us. Scientific-instrument aesthetic: monospace display, lab-paper ground, reagent-teal accent. System fonts only (no web-font downloads), minimal CSS/JS for fast Core Web Vitals.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: labtools
*/

:root{
  --ground:#F5F7F6;--surface:#FFFFFF;--text:#14201D;--muted:#5A6B66;--border:#DDE5E2;
  --accent:#0B6B5B;--accent-2:#0FA37F;
  --mono:ui-monospace,"SF Mono","SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:-apple-system,system-ui,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --maxw:1080px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--text);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.lt-wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:8px;top:8px;background:#fff;padding:8px 12px;border:1px solid var(--accent);border-radius:8px;z-index:50}

/* top bar */
.lt-topbar{border-bottom:1px solid var(--border);background:var(--surface)}
.lt-topbar__in{display:flex;align-items:center;justify-content:space-between;min-height:60px;gap:16px}
.lt-brand{font-family:var(--mono);font-weight:700;font-size:18px;letter-spacing:.02em;color:var(--text);display:flex;align-items:center;gap:9px}
.lt-brand:hover{text-decoration:none}
.lt-brand .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(11,107,91,.15)}
.lt-brand b{color:var(--accent)}
.lt-nav ul{list-style:none;display:flex;gap:20px;margin:0;padding:0;font-family:var(--mono);font-size:13px;letter-spacing:.03em;flex-wrap:wrap}
.lt-nav a{color:var(--muted)}
.lt-nav a:hover{color:var(--accent);text-decoration:none}
.lt-nav .sub-menu{display:none}
.lt-menu-toggle{display:none;font-family:var(--mono);font-size:13px;background:none;border:1px solid var(--border);border-radius:8px;padding:7px 11px;color:var(--text);cursor:pointer}
@media(max-width:780px){
  .lt-nav{display:none;width:100%;order:3}
  .lt-nav.open{display:block}
  .lt-nav ul{flex-direction:column;gap:10px;padding:10px 0 14px}
  .lt-menu-toggle{display:block}
}

/* DNA ticker */
.lt-ticker{height:34px;overflow:hidden;border-bottom:1px solid var(--border);background:var(--surface)}
#lt-dna{display:block;width:100%;height:34px;opacity:.5}

/* header / hero */
.lt-head{padding:34px 0 6px}
.lt-crumb{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.04em;margin-bottom:16px}
.lt-crumb a{color:var(--muted)}
.lt-eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:12px}
.lt-h1{font-family:var(--mono);font-weight:700;font-size:clamp(27px,4.4vw,42px);line-height:1.14;letter-spacing:-.01em;margin:0 0 14px}
.lt-lede{font-size:18px;color:#2c3a36;max-width:62ch;margin:0}

/* ad slot */
.lt-ad{margin:24px 0;display:flex;align-items:center;justify-content:center;min-height:90px;text-align:center}
.lt-ad__label{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:#aab6b1;display:block;margin-bottom:4px}

/* prose / the_content
   The content column spans the full wrap width; only running TEXT is capped to a
   comfortable reading measure, while tools, iframes and media use the full width. */
.lt-prose{max-width:none;font-size:16.5px;color:#26332f}
.lt-prose>p,.lt-prose>ul,.lt-prose>ol,.lt-prose>h2,.lt-prose>h3,.lt-prose>blockquote,.lt-prose>figure>figcaption{max-width:72ch}
.lt-prose>.lt-tool,.lt-prose>div,.lt-prose iframe,.lt-prose table,.lt-prose>figure{max-width:100%;width:100%}
.lt-prose>*:first-child{margin-top:0}
.lt-prose h2{font-family:var(--mono);font-size:22px;letter-spacing:-.01em;margin:34px 0 10px;color:var(--text)}
.lt-prose h2::before{content:"";display:block;width:34px;height:2px;background:var(--accent);margin-bottom:12px}
.lt-prose h3{font-size:17px;margin:22px 0 6px;color:var(--text)}
.lt-prose p,.lt-prose li{font-size:16.5px;color:#26332f}
.lt-prose a{text-decoration:underline}
.lt-prose code{font-family:var(--mono);font-size:.9em;background:#eef3f1;border:1px solid var(--border);border-radius:5px;padding:1px 6px;color:var(--accent)}
.lt-prose ul,.lt-prose ol{padding-left:20px}
.lt-prose li{margin:3px 0}
.lt-prose img{border-radius:10px;border:1px solid var(--border)}
.lt-prose iframe{max-width:100%}

/* related tools */
.lt-related{margin:34px 0 8px}
.lt-related__h{font-family:var(--mono);font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.lt-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media(max-width:680px){.lt-cards{grid-template-columns:1fr}}
.lt-card{display:block;background:var(--surface);border:1px solid var(--border);border-radius:11px;padding:15px 16px;transition:.15s}
.lt-card:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-1px)}
.lt-card .t{font-family:var(--mono);font-weight:700;font-size:14.5px;color:var(--text)}
.lt-card .d{font-size:13px;color:var(--muted);margin-top:4px}

/* homepage */
.lt-hero{padding:44px 0 18px}
.lt-hero .lt-eyebrow{margin-bottom:14px}
.lt-hero h1{font-family:var(--mono);font-weight:700;font-size:clamp(30px,5.2vw,52px);line-height:1.08;letter-spacing:-.015em;margin:0 0 16px}
.lt-hero p{font-size:19px;color:#2c3a36;max-width:60ch;margin:0}
.lt-section__h{font-family:var(--mono);font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin:36px 0 14px;font-weight:600}

/* archive / list */
.lt-list{list-style:none;padding:0;margin:0}
.lt-list li{border-bottom:1px solid var(--border);padding:14px 0}
.lt-list a{font-family:var(--mono);font-weight:700;font-size:16px}
.lt-list .ex{font-size:14px;color:var(--muted);margin-top:3px}

/* comments off-ish / generic */
.lt-meta{font-family:var(--mono);font-size:12px;color:var(--muted)}

/* footer */
.lt-footer{border-top:1px solid var(--border);background:var(--surface);margin-top:34px}
.lt-footer__in{padding:26px 20px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.lt-footer .lt-brand{font-size:15px;margin-bottom:6px}
.lt-seq{font-family:var(--mono);color:var(--accent-2);letter-spacing:.1em;font-size:12px;align-self:center;opacity:.8}
.lt-footer a{color:var(--muted)}