/* FounderForge AI — design system */
:root{
  --bg:#0b1020;
  --bg-soft:#11182f;
  --panel:#151d38;
  --panel-2:#1b2545;
  --line:#26314f;
  --text:#e9edf7;
  --muted:#9aa6c4;
  --brand:#5b8cff;
  --brand-2:#7c5cff;
  --accent:#22d3a6;
  --warn:#ffb020;
  --danger:#ff6b6b;
  --radius:14px;
  --maxw:1080px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:radial-gradient(1200px 600px at 80% -10%,rgba(124,92,255,.18),transparent 60%),
    radial-gradient(900px 500px at -10% 0%,rgba(91,140,255,.16),transparent 55%),var(--bg);
  color:var(--text);font-family:var(--font);line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.small{font-size:.86rem}

/* header */
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);
  background:rgba(11,16,32,.72);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.12rem;color:var(--text)}
.brand:hover{text-decoration:none}
.brand .logo{width:30px;height:30px;border-radius:8px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;
  font-weight:900;color:#fff;font-size:.95rem;box-shadow:var(--shadow)}
.nav-links{display:flex;gap:6px;margin-left:auto;align-items:center;flex-wrap:wrap}
.nav-links a{color:var(--muted);padding:8px 12px;border-radius:9px;font-size:.92rem;font-weight:600}
.nav-links a:hover{color:var(--text);background:var(--panel);text-decoration:none}
.nav-toggle{display:none;margin-left:auto;background:var(--panel);border:1px solid var(--line);
  color:var(--text);border-radius:9px;padding:8px 12px;font-size:1rem;cursor:pointer}
@media(max-width:760px){
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:62px;left:0;right:0;flex-direction:column;
    background:var(--bg-soft);border-bottom:1px solid var(--line);padding:10px 16px;gap:2px}
  .nav-links.open{display:flex}
  .nav-links a{margin-left:0;width:100%}
}

/* hero */
.hero{padding:64px 0 40px;text-align:center}
.hero h1{font-size:clamp(2rem,5vw,3.1rem);line-height:1.1;margin:0 0 16px;letter-spacing:-.02em}
.hero p{font-size:1.12rem;color:var(--muted);max-width:660px;margin:0 auto 26px}
.gradient-text{background:linear-gradient(120deg,var(--brand),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-block;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;
  padding:12px 22px;border-radius:11px;font-weight:700;box-shadow:var(--shadow);border:none;cursor:pointer;font-size:1rem}
.btn:hover{text-decoration:none;filter:brightness(1.08)}
.btn.secondary{background:var(--panel);border:1px solid var(--line);color:var(--text)}

/* grid of tools */
.section{padding:34px 0}
.section h2{font-size:1.6rem;margin:0 0 6px;letter-spacing:-.01em}
.section .sub{color:var(--muted);margin:0 0 22px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.card{display:block;background:linear-gradient(180deg,var(--panel),var(--bg-soft));
  border:1px solid var(--line);border-radius:var(--radius);padding:20px;transition:.15s;height:100%}
.card:hover{text-decoration:none;border-color:var(--brand);transform:translateY(-2px)}
.card .ico{font-size:1.5rem}
.card h3{margin:10px 0 6px;font-size:1.12rem;color:var(--text)}
.card p{margin:0;color:var(--muted);font-size:.93rem}
.card .go{margin-top:12px;color:var(--brand);font-weight:700;font-size:.9rem}

/* tool layout */
.page-head{padding:34px 0 8px}
.page-head h1{font-size:clamp(1.6rem,4vw,2.3rem);margin:0 0 10px;letter-spacing:-.01em}
.page-head .lead{color:var(--muted);font-size:1.05rem;max-width:720px;margin:0}
.breadcrumbs{font-size:.84rem;color:var(--muted);padding:18px 0 0}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs a:hover{color:var(--text)}

.tool{display:grid;grid-template-columns:1fr;gap:18px;margin:22px 0}
@media(min-width:840px){.tool.two{grid-template-columns:1fr 1fr}}
.panel{background:linear-gradient(180deg,var(--panel),var(--bg-soft));border:1px solid var(--line);
  border-radius:var(--radius);padding:22px}
.panel h2{font-size:1.15rem;margin:0 0 14px}
.field{margin-bottom:14px}
.field label{display:block;font-size:.9rem;font-weight:600;margin-bottom:6px}
.field .hint{font-weight:400;color:var(--muted);font-size:.8rem}
.field input,.field select{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--text);
  border-radius:10px;padding:11px 12px;font-size:1rem;font-family:var(--font)}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand)}
.inline-input{display:flex;align-items:center;gap:8px}
.inline-input .prefix,.inline-input .suffix{color:var(--muted);font-size:.92rem}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:520px){.row{grid-template-columns:1fr}}

.result{background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:12px}
.result .big{font-size:2rem;font-weight:800;letter-spacing:-.01em}
.result .label{color:var(--muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.04em}
.metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(max-width:520px){.metrics{grid-template-columns:1fr}}
.metric{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:12px}
.metric .v{font-size:1.3rem;font-weight:800}
.metric .k{color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
.good{color:var(--accent)}.bad{color:var(--danger)}.mid{color:var(--warn)}

table.captable{width:100%;border-collapse:collapse;font-size:.9rem;margin-top:8px}
table.captable th,table.captable td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:right}
table.captable th:first-child,table.captable td:first-child{text-align:left}
table.captable th{color:var(--muted);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}

.note{font-size:.85rem;color:var(--muted);background:var(--bg-soft);border:1px solid var(--line);
  border-left:3px solid var(--brand);border-radius:8px;padding:12px 14px;margin:14px 0}
.disclaimer{font-size:.82rem;color:var(--muted);border-top:1px solid var(--line);margin-top:18px;padding-top:14px}

/* prose / guides */
.prose{max-width:760px}
.prose h2{font-size:1.45rem;margin:30px 0 10px;letter-spacing:-.01em}
.prose h3{font-size:1.15rem;margin:22px 0 8px}
.prose p,.prose li{color:#cfd6ea}
.prose ul,.prose ol{padding-left:20px}
.prose table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.92rem}
.prose th,.prose td{border:1px solid var(--line);padding:9px 11px;text-align:left}
.prose th{background:var(--panel);color:var(--text)}
.prose blockquote{border-left:3px solid var(--brand);margin:14px 0;padding:6px 16px;color:var(--muted);background:var(--bg-soft)}
.faq details{border:1px solid var(--line);border-radius:10px;padding:4px 16px;margin-bottom:10px;background:var(--panel)}
.faq summary{cursor:pointer;font-weight:700;padding:12px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--brand);font-weight:800}
.faq details[open] summary::after{content:"\2013"}
.faq details p{margin:0 0 14px}

.cta-card{background:linear-gradient(135deg,rgba(91,140,255,.15),rgba(124,92,255,.12));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:24px 0;text-align:center}
.cta-card h3{margin:0 0 8px}
.cta-card p{color:var(--muted);margin:0 0 14px}

.related{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));margin-top:10px}
.related a{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:.9rem;font-weight:600}
.related a:hover{border-color:var(--brand);text-decoration:none}

/* ad slot */
.ad-slot{margin:26px auto;text-align:center;min-height:0}
.ad-slot .ad-label{font-size:.7rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:4px;display:none}

/* footer */
.site-footer{border-top:1px solid var(--line);margin-top:50px;padding:34px 0;background:var(--bg-soft)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
@media(max-width:680px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-grid h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 10px}
.footer-grid a{display:block;color:var(--muted);font-size:.9rem;padding:3px 0}
.footer-grid a:hover{color:var(--text)}
.footer-bottom{border-top:1px solid var(--line);margin-top:24px;padding-top:18px;color:var(--muted);font-size:.82rem}
.footer-bottom .brand{font-size:1rem;margin-bottom:8px}