/* DirectorHub — shared styles for the About / explainer pages.
   Mirrors the landing (deploy/landing/index.html) design language. */
:root{
  --bg:#06060C; --bg2:#0A0A14; --surface:#0E0E1A; --surface2:#12121F;
  --border:rgba(255,255,255,.08); --border2:rgba(255,255,255,.05);
  --accent:#3B82F6; --accent2:#6366F1; --text:#EAEEF6; --text2:#AEB6C6; --muted:#6B7385;
  --claude:#8B86F5; --gpt:#38BDF8; --gemini:#34D399; --grok:#A78BFA;
  --warn:#F6B73C;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--text);
  font-family:'Inter',ui-sans-serif,system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased; line-height:1.6; overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
.glow{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 480px at 50% -8%, rgba(99,102,241,.20), transparent 60%),
    radial-gradient(700px 500px at 85% 8%, rgba(59,130,246,.10), transparent 55%);}
.grid-bg{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.4;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:46px 46px; mask-image:radial-gradient(ellipse 80% 55% at 50% 0%,#000 30%,transparent 75%);}
.container{position:relative;z-index:1;max-width:960px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px}

/* Nav */
nav{position:relative;z-index:5;display:flex;align-items:center;justify-content:space-between;max-width:1080px;margin:0 auto;padding:20px 24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;letter-spacing:-.01em}
.brand .mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--accent2),var(--accent));display:flex;align-items:center;justify-content:center}
.brand .mark span{width:11px;height:11px;border:2px solid #fff;border-radius:50%;display:block}
.brand small{display:block;font-size:10px;font-weight:600;color:var(--accent);letter-spacing:.14em;margin-top:1px}
.brand-icon{width:30px;height:30px;display:block;flex-shrink:0}
.brand-logo{height:46px;width:auto;display:block}
@media(max-width:480px){.brand-logo{height:38px}}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-link{font-size:13px;font-weight:600;color:var(--text2)}
.nav-link:hover{color:var(--text)}
.lang{display:flex;gap:2px;border:1px solid var(--border);border-radius:8px;padding:2px}
.lang button{background:none;border:0;color:var(--muted);padding:4px 9px;border-radius:6px;cursor:pointer;font:inherit;font-size:12px;font-weight:600}
.lang button.active{color:#fff;background:rgba(255,255,255,.08)}
.nav-cta{font-size:13px;font-weight:600;padding:8px 16px;border-radius:9px;background:#fff;color:#0a0a14}

/* Breadcrumb / back */
.crumbs{position:relative;z-index:1;max-width:960px;margin:8px auto 0;padding:0 24px;font-size:12.5px;color:var(--muted);display:flex;gap:8px;align-items:center}
.crumbs a{color:var(--text2)} .crumbs a:hover{color:var(--text)}
.crumbs .sep{opacity:.5}

/* Hero */
.doc-hero{position:relative;z-index:1;padding:44px 0 8px;text-align:center}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;margin-bottom:14px}
h1{font-size:clamp(30px,5vw,52px);line-height:1.06;letter-spacing:-.03em;font-weight:800;max-width:18ch;margin:0 auto}
h1 .grad{background:linear-gradient(100deg,#fff 10%,#A9A4FB 55%,#7CC4FF 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.doc-hero .sub{margin:20px auto 0;font-size:clamp(16px,2vw,19px);color:var(--text2);max-width:640px;line-height:1.6}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:500;color:var(--text2);border:1px solid var(--border);background:rgba(255,255,255,.03);padding:6px 14px;border-radius:999px;margin-bottom:22px}
.badge .pulse{width:7px;height:7px;border-radius:50%;background:var(--gemini);box-shadow:0 0 0 0 rgba(52,211,153,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(52,211,153,.5)}70%{box-shadow:0 0 0 7px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}

/* Sections + prose */
section{position:relative;z-index:1;padding:40px 0}
h2{font-size:clamp(22px,3.2vw,32px);line-height:1.18;letter-spacing:-.02em;font-weight:700;margin:0 0 6px}
h3{font-size:17px;font-weight:700;margin:0 0 6px;letter-spacing:-.01em}
.lead{color:var(--text2);font-size:16.5px;line-height:1.65;margin:0 0 18px;max-width:66ch}
.prose p{color:var(--text2);font-size:15.5px;line-height:1.7;margin:0 0 14px;max-width:70ch}
.prose strong{color:var(--text);font-weight:600}
.prose ul{list-style:none;margin:6px 0 18px;padding:0;display:flex;flex-direction:column;gap:9px;max-width:70ch}
.prose li{position:relative;padding-left:22px;color:var(--text2);font-size:15px;line-height:1.6}
.prose li::before{content:"";position:absolute;left:2px;top:9px;width:6px;height:6px;border-radius:2px;background:var(--accent)}
.prose li strong{color:var(--text)}

/* Cards */
.cardgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
.cardgrid.two{grid-template-columns:repeat(2,1fr)}
.cardgrid.four{grid-template-columns:repeat(2,1fr)}
.card{border:1px solid var(--border);border-radius:14px;padding:20px;background:var(--surface)}
.card .ic{width:38px;height:38px;border-radius:10px;background:rgba(99,102,241,.14);display:flex;align-items:center;justify-content:center;margin-bottom:13px;font-size:18px;color:var(--accent)}
.card h3{font-size:15px;margin-bottom:5px}
.card p{font-size:13.5px;color:var(--text2);line-height:1.55;margin:0}

/* Steps */
.steps{counter-reset:st;display:flex;flex-direction:column;gap:14px;margin:18px 0;max-width:74ch}
.step{position:relative;border:1px solid var(--border);border-radius:12px;padding:16px 18px 16px 54px;background:var(--surface)}
.step::before{counter-increment:st;content:counter(st);position:absolute;left:16px;top:16px;width:26px;height:26px;border-radius:8px;background:rgba(59,130,246,.14);color:var(--accent);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
.step h3{font-size:15px;margin-bottom:4px}
.step p{font-size:14px;color:var(--text2);line-height:1.55;margin:0}

/* Code */
.codebox{border:1px solid var(--border2);border-radius:10px;background:rgba(0,0,0,.35);padding:12px 14px;margin:10px 0 4px;overflow-x:auto}
.codebox code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;color:#C7D2FE;white-space:pre;line-height:1.6}

/* Callout */
.callout{border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:10px;background:var(--surface);padding:14px 16px;margin:16px 0;font-size:14.5px;color:var(--text2);line-height:1.6;max-width:72ch}
.callout strong{color:var(--text)}
.callout.warn{border-left-color:var(--warn)}

/* Tag pills */
.pills{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 16px}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--text2);border:1px solid var(--border);border-radius:999px;padding:4px 11px}
.pill .d{width:7px;height:7px;border-radius:50%}

/* Buttons + subnav */
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;padding:12px 22px;border-radius:11px;transition:.16s;cursor:pointer;border:1px solid transparent}
.btn-primary{background:linear-gradient(180deg,#4C8DF6,#2F6FE0);color:#fff;box-shadow:0 6px 22px -6px rgba(59,130,246,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px -6px rgba(59,130,246,.7)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:rgba(255,255,255,.22);background:rgba(255,255,255,.07)}

/* Next / related links */
.nextnav{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}
.nextcard{border:1px solid var(--border);border-radius:14px;padding:18px 20px;background:var(--surface);transition:.16s}
.nextcard:hover{border-color:rgba(255,255,255,.2);background:var(--surface2)}
.nextcard .k{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.nextcard strong{display:block;font-size:16px;margin:4px 0 3px}
.nextcard span{font-size:13px;color:var(--text2)}

footer{position:relative;z-index:1;border-top:1px solid var(--border2);padding:30px 24px;text-align:center;color:var(--muted);font-size:13px;margin-top:24px}
footer a{color:var(--text2)}
footer a:hover{color:var(--text)}

@media(max-width:760px){
  .cardgrid,.cardgrid.two,.nextnav{grid-template-columns:1fr}
  .nav-cta{display:none}
}