/* WeldDocPro — shared styles */
:root{
  --ink:#0F1B2D; --ink-2:#0B1422; --ink-3:#18283F; --line-dark:#2E405A;
  --bg:#F5F6F8; --card:#FFFFFF; --line:#E2E5EA; --line-2:#B8C0CC;
  --muted:#4A5464; --muted-2:#5B6575; --on-dark:#C9D2DE; --on-dark-2:#9FB0C6;
  --accent:#C2410C; --accent-dark:#9A3412; --amber:#F59E0B; --amber-2:#FBBF24;
  --ok-fg:#166534; --ok-bg:#DCFCE7; --warn-fg:#854D0E; --warn-bg:#FEF3C7; --bad-fg:#991B1B; --bad-bg:#FEE2E2;
  --radius:16px; --font:'IBM Plex Sans',system-ui,-apple-system,Segoe UI,sans-serif;
  --display:'Archivo',system-ui,sans-serif; --mono:'IBM Plex Mono',ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--ink)} a:hover{color:var(--accent)}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
.skip{position:absolute;left:-9999px;top:0;background:var(--amber);color:var(--ink);padding:10px 14px;z-index:100}
.skip:focus{left:12px;top:12px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.narrow{max-width:860px}
h1,h2,h3{font-family:var(--display);letter-spacing:-.5px;margin:0}
h1{font-weight:800;font-size:clamp(34px,5vw,52px);line-height:1.06}
h2{font-weight:800;font-size:clamp(26px,3.4vw,36px);line-height:1.15}
h3{font-weight:700;font-size:19px;letter-spacing:-.2px}
p{margin:0}
.eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent)}
.dark .eyebrow{color:var(--amber-2)}
.lead{font-size:18px;color:var(--muted);line-height:1.65}
.dark .lead{color:var(--on-dark)}
.stack{display:flex;flex-direction:column;gap:14px}
.stack-lg{display:flex;flex-direction:column;gap:28px}
.center{text-align:center;align-items:center}
.section{padding:72px 0}
.section-sm{padding:40px 0}
.dark{background:var(--ink);color:#fff}
.white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.muted{color:var(--muted)} .small{font-size:13px;color:var(--muted-2)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 22px;border-radius:8px;font-weight:600;font-size:16px;text-decoration:none;border:1.5px solid transparent;cursor:pointer;font-family:inherit;line-height:1.2}
.btn-primary{background:var(--accent);color:#fff} .btn-primary:hover{background:var(--accent-dark);color:#fff}
.btn-dark{background:var(--ink);color:#fff} .btn-dark:hover{background:#000;color:#fff}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent} .btn-outline:hover{background:var(--ink);color:#fff}
.dark .btn-outline{border-color:#fff;color:#fff} .dark .btn-outline:hover{background:#fff;color:var(--ink)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.link-arrow{font-weight:600;text-decoration:none}
.dark .link-arrow{color:#fff}

/* utility bar + header */
.utility{background:var(--ink-2);color:var(--on-dark);font-size:13px}
.utility .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 20px;padding-top:8px;padding-bottom:8px}
.utility a{color:var(--on-dark);text-decoration:none}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand span{font-family:var(--display);font-weight:800;font-size:20px}
.nav{display:flex;align-items:center;gap:22px;font-size:15px;font-weight:500}
.nav a{text-decoration:none}
.nav a[aria-current="page"]{color:var(--accent);font-weight:600}
.nav .btn{min-height:44px;padding:10px 16px;font-size:15px}
.ai-pill{font-family:var(--mono);font-size:10px;background:var(--amber);color:var(--ink);padding:2px 5px;border-radius:4px;margin-left:4px;vertical-align:2px}
.menu-btn{display:none;min-height:44px;min-width:44px;border:1.5px solid var(--line-2);background:#fff;border-radius:8px;cursor:pointer;align-items:center;justify-content:center}
@media (max-width:960px){
  .menu-btn{display:inline-flex}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 18px}
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid #EDEFF2}
  .nav .btn{margin-top:12px;border-bottom:0}
}

/* hero */
.hero .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:56px;padding-top:72px;padding-bottom:80px}
.hero-copy{flex:1 1 500px;min-width:0;display:flex;flex-direction:column;gap:22px}
.hero-side{flex:1 1 400px;min-width:0}
.tag-link{align-self:flex-start;text-decoration:none;display:inline-flex;align-items:center;gap:10px;background:var(--ink-3);border:1px solid var(--line-dark);color:#fff;padding:7px 12px 7px 7px;border-radius:999px;font-size:14px}
.tag-link b{background:var(--amber);color:var(--ink);font-size:12px;padding:3px 8px;border-radius:999px}
.tag-link:hover{color:#fff;border-color:var(--amber)}
.codes{font-family:var(--mono);font-size:14px;letter-spacing:1px;color:var(--amber-2)}
.checks{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px;font-size:17px;color:#DCE3EC}
.checks li{display:flex;gap:10px;align-items:flex-start}
.checks svg{flex:0 0 auto;margin-top:3px}
.page-hero .wrap{padding-top:60px;padding-bottom:56px;display:flex;flex-direction:column;gap:18px}
.crumbs{font-size:13px;color:var(--on-dark-2)} .crumbs a{color:var(--on-dark-2)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-family:var(--mono);font-size:12px;border:1px solid #3A4B63;padding:6px 10px;border-radius:6px}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:14px}
.card.featured{border:2px solid var(--accent)}
.card-dark{background:var(--ink-3);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:6px}
.card-dark p{color:var(--on-dark);font-size:15px}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.badge{align-self:flex-start;font-family:var(--mono);font-size:12px;padding:4px 8px;border-radius:6px;background:#EEF0F3;color:var(--ink)}
.badge.ok{background:var(--ok-bg);color:var(--ok-fg)} .badge.accent{background:var(--accent);color:#fff} .badge.amber{background:var(--amber);color:var(--ink)}
.price{font-family:var(--display);font-weight:800;font-size:26px}
.price small{font-size:15px;font-weight:500;color:var(--muted);font-family:var(--font)}
.list{margin:0;padding-left:18px;font-size:15px;line-height:1.75;color:var(--muted)}
.card .btn{margin-top:auto}
.status{display:inline-block;font-weight:600;font-size:13px;padding:3px 10px;border-radius:999px;white-space:nowrap}
.s-ok{color:var(--ok-fg);background:var(--ok-bg)} .s-warn{color:var(--warn-fg);background:var(--warn-bg)} .s-bad{color:var(--bad-fg);background:var(--bad-bg)} .s-grey{color:var(--muted);background:#EEF0F3}

/* dashboard mock */
.mock{background:#fff;color:var(--ink);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:16px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.mock-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.mock-head b{font-family:var(--display);font-size:17px}
.tiny-tag{font-family:var(--mono);font-size:12px;color:var(--muted-2);background:#F1F3F6;padding:4px 8px;border-radius:6px}
.kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.kpi{background:var(--bg);border-radius:10px;padding:12px;display:flex;flex-direction:column}
.kpi span{font-size:12px;color:var(--muted-2)} .kpi b{font-family:var(--display);font-size:28px}
.kpi.hot{background:#FFF1E8} .kpi.hot span{color:#7C2D12} .kpi.hot b{color:var(--accent-dark)}
.rowline{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px}

/* split feature */
.split{display:flex;flex-wrap:wrap;align-items:center;gap:48px}
.split > *{flex:1 1 420px;min-width:0}
.split.reverse{flex-wrap:wrap-reverse}
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:#fff}
table.data{border-collapse:collapse;width:100%;min-width:460px;font-size:13.5px}
table.data th{background:var(--ink);color:#fff;text-align:left;padding:9px 10px;font-weight:600}
table.data td{padding:9px 10px;border-top:1px solid var(--line);vertical-align:top}
table.data.wide{min-width:560px;font-size:15px}
.bar{display:flex;align-items:center;gap:12px;font-size:14px}
.bar > span:first-child{width:56px} .bar > b{width:56px;text-align:right}
.bar .track{flex:1;background:#F1F3F6;border-radius:6px;height:18px;overflow:hidden}
.bar .fill{height:18px;background:var(--accent);border-radius:6px}
.bar .fill.grey{background:#9CA3AF}

/* AI section */
.ai-band{background:linear-gradient(180deg,var(--ink) 0%,#122238 100%);color:#fff}
.flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;counter-reset:step}
.flow li{list-style:none;background:var(--ink-3);border:1px solid var(--line-dark);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:6px;position:relative}
.flow li::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-family:var(--mono);color:var(--amber-2);font-size:13px}
.flow li b{font-size:16px} .flow li span{font-size:14px;color:var(--on-dark)}
.flow{padding:0;margin:0}
.rule-box{border-left:0;background:#FFF8EB;border:1px solid #F3D9A4;border-radius:12px;padding:18px 20px;color:#5A3A07;font-size:15px}
.dark .rule-box{background:#1D2A3D;border-color:#3A4B63;color:var(--on-dark)}

/* forms */
.form{display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font-size:14px;font-weight:600}
.field input,.field select,.field textarea{min-height:46px;padding:10px 12px;border:1.5px solid var(--line-2);border-radius:8px;font-size:16px;font-family:inherit;background:#fff;color:var(--ink);width:100%}
.field textarea{resize:vertical;min-height:90px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--ink);outline:none;box-shadow:0 0 0 3px rgba(245,158,11,.35)}
.fields-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (max-width:560px){.fields-2{grid-template-columns:1fr}}
.inline-form{display:flex;flex-wrap:wrap;gap:10px}
.inline-form input{flex:1 1 220px;min-width:0;min-height:48px;padding:0 14px;border:1.5px solid var(--line-2);border-radius:8px;font-size:16px;font-family:inherit}
.form-note{font-size:13px;color:var(--muted-2)}
.notice{border-radius:10px;padding:12px 14px;font-size:14px}
.notice.ok{background:var(--ok-bg);color:var(--ok-fg)} .notice.warn{background:var(--warn-bg);color:var(--warn-fg)} .notice.bad{background:var(--bad-bg);color:var(--bad-fg)}
.hidden{display:none !important}

/* library */
.filterbar{background:#fff;border-bottom:1px solid var(--line)}
.filterbar .wrap{padding-top:20px;padding-bottom:20px;display:flex;flex-direction:column;gap:14px}
.searchbox{position:relative;flex:1 1 360px;min-width:0;display:flex;align-items:center}
.searchbox svg{position:absolute;left:14px}
.searchbox input{width:100%;min-height:50px;padding:0 14px 0 42px;border:1.5px solid var(--line-2);border-radius:10px;font-size:16px;font-family:inherit}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pill{min-height:44px;padding:0 16px;border-radius:999px;border:1.5px solid #D3D8DF;background:#fff;color:var(--ink);font-family:inherit;font-size:14px;font-weight:500;cursor:pointer}
.pill[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}
.cat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.cat-head{padding:22px 28px;border-bottom:1px solid #EDEFF2;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px}
.cat-head .num{width:44px;height:44px;border-radius:10px;background:var(--ink);color:var(--amber-2);display:inline-flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:15px;flex:0 0 auto}
.cat-title{display:flex;align-items:center;gap:16px}
.cat-title h2{font-size:22px}
.count{font-size:13px;font-weight:600;color:var(--muted);background:#F1F3F6;padding:6px 12px;border-radius:999px}
.docs{padding:20px 28px 26px;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.doc{border:1px solid var(--line);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:10px}
.doc-top{display:flex;gap:12px;align-items:flex-start}
.doc-name{font-size:15px;font-weight:600;line-height:1.35}
.doc-note{font-size:13px;color:var(--muted);line-height:1.45}
.fmt{font-family:var(--mono);font-size:11px;background:#EEF0F3;padding:3px 7px;border-radius:5px}
.std{font-family:var(--mono);font-size:11px;color:var(--muted);border:1px solid var(--line);padding:2px 7px;border-radius:5px}
.doc-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:auto;padding-top:8px;border-top:1px dashed var(--line);font-size:14px}
.doc-foot a{font-weight:600;color:var(--accent-dark);text-decoration:none}

/* AI tool */
.tool{display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start}
.tool > *{flex:1 1 400px;min-width:0}
.draft-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.draft-head b{font-family:var(--display);font-size:18px}
.field-out{display:grid;grid-template-columns:150px 1fr;gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:15px}
.field-out > div{padding:10px 12px;border-top:1px solid var(--line)}
.field-out > div:nth-child(-n+2){border-top:0}
.field-out .k{background:var(--bg);font-weight:600}
.field-out .flag{background:#FFFBEB}
.field-out .flag::after{content:" · check";color:var(--warn-fg);font-size:12px;font-weight:600}
.checks-out{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px;font-size:14px}
.checks-out li{padding:8px 12px;border-radius:8px}
.examples{display:flex;flex-wrap:wrap;gap:8px}
.examples button{font-family:var(--mono);font-size:12px;border:1px dashed var(--line-2);background:#fff;padding:8px 10px;border-radius:8px;cursor:pointer;text-align:left;min-height:40px}
.examples button:hover{border-color:var(--ink)}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 20px}
.faq summary{cursor:pointer;font-weight:600;font-size:17px;padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--accent);font-size:20px;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 0 18px;color:var(--muted);font-size:15px}

/* prose (legal/about) */
.prose{font-size:17px;line-height:1.7;color:#24303F}
.prose h2{font-size:26px;margin:36px 0 12px}
.prose h3{margin:24px 0 8px}
.prose p{margin:0 0 14px}
.prose ul,.prose ol{margin:0 0 14px;padding-left:22px}
.prose li{margin-bottom:6px}
.placeholder{background:#FEF3C7;color:#713F12;padding:0 4px;border-radius:4px}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;padding:0;margin:0}
.steps li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:6px}
.steps li::before{counter-increment:s;content:counter(s);width:32px;height:32px;border-radius:999px;background:var(--ink);color:var(--amber-2);display:inline-flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:14px}
.steps span{font-size:15px;color:var(--muted)}

/* footer */
.site-footer{background:var(--ink-2);color:var(--on-dark)}
.site-footer .wrap{padding-top:56px;padding-bottom:32px;display:flex;flex-direction:column;gap:32px}
.foot-cols{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between}
.foot-about{flex:1 1 280px;max-width:340px;display:flex;flex-direction:column;gap:10px;font-size:14px}
.foot-about b{font-family:var(--display);font-size:20px;color:#fff}
.foot-cols nav{display:flex;flex-direction:column;gap:10px;font-size:14px}
.foot-cols nav strong{color:#fff;font-weight:600}
.foot-cols a{color:var(--on-dark)} .foot-cols a:hover{color:#fff}
.foot-legal{border-top:1px solid #1E2C40;padding-top:20px;display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--on-dark-2)}

@media (max-width:640px){
  .section{padding:52px 0}
  .hero .wrap{padding-top:48px;padding-bottom:56px;gap:36px}
  .card{padding:22px}
  .cat-head,.docs{padding-left:18px;padding-right:18px}
  .field-out{grid-template-columns:110px 1fr}
}
@media print{.site-header,.utility,.site-footer,.no-print{display:none !important} body{background:#fff}}