/* AI Ninjas site CSS (version 1). System fonts only, one accent. */
:root{--bg:#0b0b0f;--panel:#14141a;--line:#2a2a33;--text:#f2f2ee;--muted:#a8a8b2;--accent:#c8ff3d;--r:6px;
--head:"SF Pro Display","Segoe UI Variable",Inter,system-ui,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--text);font:400 1.0625rem/1.6 system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--accent);text-underline-offset:3px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:var(--r)}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:var(--bg);padding:10px 14px;border-radius:var(--r);z-index:100;font-weight:600}
.skip:focus{left:8px}
.wrap{width:min(1120px,100% - 40px);margin-inline:auto}
.narrow{width:min(760px,100% - 40px)}
h1,h2,h3{font-family:var(--head);letter-spacing:-.03em;line-height:1.05;margin:0 0 .5em}
h1{font-size:clamp(2.5rem,7.5vw,5.75rem);font-weight:700;max-width:14ch}
h2{font-size:clamp(1.9rem,4.5vw,3.25rem);font-weight:700;max-width:20ch}
h3{font-size:1.3rem;letter-spacing:-.02em;line-height:1.2}
p{margin:0 0 1em}
.eyebrow{font-size:.8125rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:1.2rem}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--muted);max-width:60ch}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,11,15,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font:700 1.15rem var(--head);letter-spacing:-.02em}
.nav ul{display:flex;gap:6px;list-style:none;margin:0;padding:0}
.nav a{display:inline-block;padding:10px 12px;min-height:44px;color:var(--text);text-decoration:none;font-size:.95rem}
.nav a:hover{color:var(--accent)}
.nav .nav__cta{border:1px solid var(--accent);color:var(--accent);border-radius:var(--r);padding:10px 16px}
.nav__toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:var(--r);min-height:44px;padding:0 16px;font:inherit;cursor:pointer}
/* buttons */
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:2rem}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:var(--r);font:600 1rem system-ui,sans-serif;text-decoration:none;border:1px solid var(--accent);cursor:pointer}
.btn--primary{background:var(--accent);color:var(--bg)}
.btn--primary:hover{background:#d8ff70}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}
/* sections */
.hero{padding:clamp(64px,12vw,160px) 0 clamp(56px,9vw,120px);background:radial-gradient(900px 400px at 85% 0,rgba(200,255,61,.08),transparent 70%)}
.section{padding:clamp(56px,9vw,112px) 0;border-top:1px solid var(--line)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:start}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:2.5rem}
.card{border:1px solid var(--line);border-radius:var(--r);padding:28px;background:var(--panel)}
.card p{color:var(--muted);margin:0}
.num{display:block;font:600 .85rem ui-monospace,Menlo,monospace;color:var(--accent);margin-bottom:1.5rem}
.steps{list-style:none;counter-reset:s;margin:2.5rem 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.steps li{counter-increment:s;border-top:1px solid var(--accent);padding-top:20px}
.steps li::before{content:"0" counter(s);display:block;font:600 .85rem ui-monospace,Menlo,monospace;color:var(--accent);margin-bottom:.8rem}
.steps p{color:var(--muted)}
.tags{list-style:none;margin:0 0 1.5rem;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.tags li{border:1px solid var(--line);border-radius:var(--r);padding:8px 14px;font-size:.95rem}
.contact-list{list-style:none;margin:2rem 0 0;padding:0}
.contact-list li{display:flex;gap:16px;padding:14px 0;border-top:1px solid var(--line);flex-wrap:wrap}
.contact-list span{width:110px;color:var(--muted)}
.contact-list a{display:inline-block;min-height:24px}
/* form */
.form{border:1px solid var(--line);border-radius:var(--r);padding:28px;background:var(--panel)}
.form label{display:block;font-size:.9rem;color:var(--muted);margin:0 0 6px}
.form input,.form textarea{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;font:inherit;margin-bottom:18px;min-height:48px}
.form textarea{min-height:120px;resize:vertical}
.form .actions{margin-top:.5rem}
.form__done{margin:1.2rem 0 0;color:var(--accent)}
/* footer */
.site-footer{border-top:1px solid var(--line);padding:48px 0 96px;color:var(--muted)}
.foot{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
.foot ul{list-style:none;margin:0;padding:0;display:flex;gap:4px 18px;flex-wrap:wrap;align-content:flex-start}
.foot a{color:var(--text);display:inline-block;padding:6px 0;min-height:32px}
.privacy{margin:28px 0 0;font-size:.9rem}
.nf{padding:120px 0;text-align:left}
/* sticky bar */
.sticky{display:none}
/* motion */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .reveal{opacity:1;transform:none;transition:none}}
@media (max-width:760px){
  .nav__toggle{display:block}
  .nav ul{display:none;position:absolute;left:0;right:0;top:64px;flex-direction:column;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 20px 16px}
  .nav ul.open{display:flex}
  .nav a{display:block;width:100%}
  .split,.grid,.steps{grid-template-columns:1fr}
  .sticky{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--bg);border-top:1px solid var(--line);padding:8px 12px calc(8px + env(safe-area-inset-bottom));gap:8px}
  .sticky a{display:flex;align-items:center;justify-content:center;min-height:48px;border-radius:var(--r);font-weight:600;text-decoration:none;color:var(--text);border:1px solid var(--line)}
  .sticky a:first-child{background:var(--accent);color:var(--bg);border-color:var(--accent)}
}