:root{
  --bg:#f5f5f7; --card:#ffffff; --text:#111111; --muted:#6b7280;
  --border:#e5e7eb; --accent:#111111;
  --pos:#0f766e; --neg:#b91c1c; --neu:#92400e;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#0b0b0c; --card:#151516; --text:#f3f4f6; --muted:#9ca3af; --border:#222326; --accent:#e5e7eb; }
}
*{box-sizing:border-box} html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue",Arial,system-ui,sans-serif;line-height:1.45;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:var(--text)}

.container{max-width:980px;margin:0 auto;padding:16px}
.topnav{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 0}
.brand{font-weight:800;letter-spacing:-.02em;text-decoration:none}
.navlinks a{margin-left:10px;text-decoration:none;color:var(--text);opacity:.9}
.navlinks .pill{padding:8px 12px;border:1px solid var(--border);border-radius:999px}

.site-header{text-align:center}
.hero h1{margin:8px 0 0;font-size:clamp(22px,4.5vw,36px)}
.subtitle{margin:8px 0 0;color:var(--muted);font-size:14px}
.byline-header{display:inline-block;margin-top:4px;font-size:14px;color:var(--muted)}
.byline-header a{color:var(--text);text-decoration:none;font-weight:600}
.byline-header a:hover{text-decoration:underline}

.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;margin:16px 0;box-shadow:0 0 0 1px rgba(0,0,0,.02),0 10px 30px rgba(0,0,0,.04)}
.card-title{margin:4px 0 12px;font-size:18px}

.video-frame{position:relative;width:100%;aspect-ratio:16/9;border-radius:12px;overflow:hidden;border:1px solid var(--border)}
.video-frame iframe{width:100%;height:100%;display:block}

.social-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media (min-width:640px){.social-grid{grid-template-columns:repeat(7,1fr)}}
.btn-social{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px;border:1px solid var(--border);border-radius:12px;text-decoration:none;font-weight:600;background:var(--card);transition:.2s}
.btn-social:hover{transform:translateY(-1px)}

.btn-social.yt:hover{background:#ff0000;color:#fff;border-color:#ff0000}
.btn-social.ig:hover{background:linear-gradient(45deg,#f58529,#dd2a7b,#8134af);color:#fff;border-color:transparent}
.btn-social.tk:hover{background:#000;color:#fff;border-color:#000}
.btn-social.x:hover{background:#111;color:#fff;border-color:#111}
.btn-social.ws:hover{background:#23D366;color:#fff;border-color:#23D366}
.btn-social.nl:hover{background:#111;color:#fff;border-color:#111}
.btn-social.tool:hover{background:#111;color:#fff;border-color:#111}

.quick-links{display:flex;flex-wrap:wrap;gap:10px}
.pill{display:inline-block;padding:10px 14px;border-radius:999px;border:1px solid var(--border);text-decoration:none}

.grid-cards{display:grid;grid-template-columns:1fr;gap:14px}
@media (min-width:680px){.grid-cards{grid-template-columns:repeat(3,1fr)}}
.product img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:12px;border:1px solid var(--border);background:#eee}
.product h3{margin:10px 0 6px;font-size:16px}
.product .code{color:var(--muted);font-size:13px}

.grid-2{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:880px){.grid-2{grid-template-columns:1fr 1fr}}
.grid{display:grid;grid-template-columns:1fr;gap:12px}
.field{display:flex;flex-direction:column;gap:6px}
.field.wide{grid-column:1/-1}
.field span{font-size:14px;color:var(--muted)}
.field input,.field textarea{padding:12px 14px;border:1px solid var(--border);background:transparent;border-radius:12px;font-size:16px;color:var(--text);outline:none}
.field input:focus,.field textarea:focus{border-color:#9ca3af;box-shadow:0 0 0 4px rgba(156,163,175,.2)}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{padding:12px 14px;border-radius:12px;border:1px solid var(--accent);background:var(--accent);color:var(--bg);font-weight:600;font-size:14px;cursor:pointer}
.btn:hover{opacity:.9}
.btn.ghost{background:transparent;color:var(--text);border-color:var(--border)}

.map-frame{border-radius:12px;overflow:hidden;border:1px solid var(--border)}
.site-footer{padding:18px 16px 28px;text-align:center;color:var(--muted);font-size:12px}
.hint{color:var(--muted);font-size:12px;margin-top:6px}