:root{
  --bg:#07090f;
  --bg2:#0d1220;
  --card:#121829;
  --line:#1f2740;
  --text:#eef1f8;
  --muted:#9aa4bd;
  --accent:#22c55e;
  --accent2:#3b82f6;
  --radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:100%;max-width:1100px;margin:0 auto;padding:0 20px}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(7,9,15,.88);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;font-size:1.3rem;letter-spacing:-.02em;display:flex;align-items:center;gap:8px}
.logo-dot{width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:grid;place-items:center;font-size:.85rem;color:#04110a;font-weight:900}
.logo small{display:block;font-size:.62rem;font-weight:500;color:var(--muted);letter-spacing:.04em;margin-top:-4px}
.menu-btn{background:none;border:1px solid var(--line);color:var(--text);width:42px;height:42px;border-radius:12px;font-size:1.2rem;cursor:pointer}
.nav-links{display:none;gap:6px}
.nav-links a{padding:8px 14px;border-radius:10px;color:var(--muted);font-weight:500;font-size:.95rem}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:var(--card)}
.nav-links.open{
  display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;
  background:var(--bg2);padding:12px 20px 18px;border-bottom:1px solid var(--line);
}
@media(min-width:820px){
  .menu-btn{display:none}
  .nav-links{display:flex}
}

/* hero */
.hero{
  background:radial-gradient(1200px 400px at 50% -10%,#16315e 0%,transparent 70%),linear-gradient(180deg,#0b1730,var(--bg));
  padding:56px 0 44px;
  text-align:center;
}
.badge{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:rgba(34,197,94,.12);color:var(--accent);
  font-size:.8rem;font-weight:600;letter-spacing:.03em;margin-bottom:18px;
  border:1px solid rgba(34,197,94,.3);
}
.hero h1{font-size:clamp(2rem,6vw,3.4rem);line-height:1.12;letter-spacing:-.03em;font-weight:800;max-width:780px;margin:0 auto 14px}
.hero p{color:var(--muted);font-size:1.05rem;max-width:560px;margin:0 auto 26px}
.search{
  display:flex;align-items:center;gap:10px;
  max-width:620px;margin:0 auto;background:#fff;border-radius:16px;padding:8px 8px 8px 18px;
  box-shadow:0 12px 40px rgba(0,0,0,.35);
}
.search input{flex:1;border:0;outline:0;font-size:1rem;color:#0b1220;background:transparent;padding:10px 0;min-width:0}
.search button{border:0;background:var(--accent);color:#04110a;font-weight:700;border-radius:12px;padding:12px 18px;cursor:pointer;font-size:.95rem}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:18px}
.chip{
  padding:7px 14px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:#c9f7da;font-size:.88rem;cursor:pointer;font-family:inherit;
}
.chip:hover,.chip.on{background:var(--accent);color:#04110a;border-color:var(--accent)}

/* sections */
section{padding:46px 0}
.sec-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:22px}
h2{font-size:1.6rem;letter-spacing:-.02em}
.sec-head a{color:var(--accent);font-weight:600;font-size:.92rem;white-space:nowrap}
.sub{color:var(--muted);margin-top:4px}

.grid{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
@media(min-width:760px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1000px){.grid.four{grid-template-columns:repeat(4,1fr)}}

.tool{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.2s;
}
.tool:hover{transform:translateY(-4px);border-color:#2f3b60}
.tool-top{height:110px;display:grid;place-items:center;font-size:1.7rem;font-weight:800;letter-spacing:-.02em}
.tool-body{padding:14px 16px 18px}
.tool-body h3{font-size:1.05rem}
.tool-body .cat{color:var(--muted);font-size:.85rem;margin-top:2px}
.tool-body p{color:var(--muted);font-size:.88rem;margin-top:8px}
.tool-body .go{display:inline-block;margin-top:12px;color:var(--accent);font-weight:600;font-size:.88rem}
.empty{grid-column:1/-1;text-align:center;color:var(--muted);padding:40px 0}

/* category cards */
.cat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 18px;transition:.2s;cursor:pointer;
}
.cat-card:hover{border-color:var(--accent);transform:translateY(-3px)}
.cat-card .ic{font-size:1.8rem;margin-bottom:8px}
.cat-card h3{font-size:1.05rem}
.cat-card p{color:var(--muted);font-size:.88rem;margin-top:4px}

/* guides */
.guide{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;display:flex;flex-direction:column;gap:8px;transition:.2s;
}
.guide:hover{border-color:#2f3b60;transform:translateY(-3px)}
.tag{align-self:flex-start;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent2);background:rgba(59,130,246,.12);padding:4px 10px;border-radius:999px}
.guide h3{font-size:1.1rem;line-height:1.35}
.guide p{color:var(--muted);font-size:.92rem}
.guide .meta{color:var(--muted);font-size:.8rem;margin-top:auto;padding-top:6px}
.guides-grid{display:grid;gap:16px}
@media(min-width:760px){.guides-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.guides-grid{grid-template-columns:repeat(3,1fr)}}

/* prompts band */
.band{background:linear-gradient(135deg,#0f2a1c,#0e1c3a);border:1px solid var(--line);border-radius:24px;padding:30px 24px}
.band h2{margin-bottom:6px}
.band p{color:var(--muted)}
.prompt-box{margin-top:16px;background:rgba(0,0,0,.35);border:1px dashed #2c3a5f;border-radius:14px;padding:14px 16px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.88rem;color:#d5dcf0}

/* page header + prose */
.page-head{padding:46px 0 10px}
.page-head h1{font-size:clamp(1.9rem,5vw,2.6rem);letter-spacing:-.02em}
.page-head p{color:var(--muted);margin-top:8px;max-width:620px}
.prose{max-width:760px}
.prose h2{margin:30px 0 8px;font-size:1.3rem}
.prose p,.prose li{color:#c8d0e6;margin-bottom:12px}
.prose ul{padding-left:22px}
.prose a{color:var(--accent);text-decoration:underline}

/* form */
.form{display:grid;gap:14px;max-width:560px;margin-top:20px}
.form label{font-weight:600;font-size:.92rem;display:grid;gap:6px}
.form input,.form textarea{
  background:var(--card);border:1px solid var(--line);color:var(--text);
  border-radius:12px;padding:13px 14px;font-size:1rem;font-family:inherit;outline:0;
}
.form input:focus,.form textarea:focus{border-color:var(--accent)}
.form textarea{min-height:140px;resize:vertical}
.btn{
  display:inline-block;border:0;background:var(--accent);color:#04110a;font-weight:700;
  padding:13px 22px;border-radius:12px;cursor:pointer;font-size:1rem;font-family:inherit;
}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}

/* footer */
footer{border-top:1px solid var(--line);margin-top:30px;padding:34px 0 40px;background:var(--bg2)}
.foot{display:grid;gap:22px}
@media(min-width:760px){.foot{grid-template-columns:2fr 1fr 1fr}}
.foot h4{margin-bottom:10px;font-size:.95rem}
.foot a{display:block;color:var(--muted);padding:3px 0;font-size:.92rem}
.foot a:hover{color:var(--text)}
.foot p{color:var(--muted);font-size:.9rem;max-width:340px}
.copy{margin-top:26px;color:var(--muted);font-size:.82rem}

.logo-box{background:#fff;height:150px;display:flex;align-items:center;justify-content:center}
.logo-box img{width:120px;height:120px;object-fit:contain;flex:none}