/* ==========================================================================
   CodeLens AI — design tokens
   Palette: ink background, editor-panel surfaces, amber "keyword" accent,
   mint "string" accent for success/links, soft red for diffs/fixes.
   Type: JetBrains Mono for display/headings (fits a code tool), Inter for body.
   ========================================================================== */

:root{
  --ink:        #0B0E14;
  --panel:      #12161F;
  --panel-2:    #171C27;
  --border:     #262C3B;
  --text:       #E8EAF0;
  --text-muted: #8A92A8;
  --text-dim:   #5B6377;
  --amber:      #E3B341;
  --amber-dim:  #7A6229;
  --mint:       #6FE3B4;
  --red:        #F97066;
  --blue:       #6FA8FF;

  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius: 10px;
  --wrap: 1080px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:var(--mint); text-decoration:none; }
a:hover{ text-decoration:underline; }
.wrap{ max-width:var(--wrap); margin:0 auto; padding:0 24px; }

h1,h2,h3,h4{
  font-family:var(--font-mono);
  font-weight:700;
  line-height:1.25;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2rem, 4vw, 3rem); font-weight:800; }
h2{ font-size:clamp(1.4rem, 2.6vw, 1.9rem); }
h3{ font-size:1.15rem; }
p{ margin:0 0 1em; color:var(--text); max-width:70ch; }
.text-muted{ color:var(--text-muted); }
code, pre{ font-family:var(--font-mono); }
code{ background:var(--panel-2); border:1px solid var(--border); border-radius:4px; padding:.1em .4em; font-size:.9em; }

:focus-visible{ outline:2px solid var(--amber); outline-offset:2px; }
@media (prefers-reduced-motion: reduce){ *{ animation:none !important; transition:none !important; } }

/* ---------- Header / nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(11,14,20,.9);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
.site-header__row{ display:flex; align-items:center; justify-content:space-between; height:68px; }
.brand{ display:flex; align-items:center; gap:.5rem; color:var(--text); }
.brand:hover{ text-decoration:none; }
.brand__mark{ font-family:var(--font-mono); color:var(--amber); font-weight:700; }
.brand__name{ font-family:var(--font-mono); font-weight:700; font-size:1.05rem; }

.site-nav{ display:flex; align-items:center; gap:1.75rem; }
.site-nav a{ color:var(--text-muted); font-size:.94rem; font-weight:500; }
.site-nav a:hover{ color:var(--text); text-decoration:none; }
.site-nav a.is-active{ color:var(--amber); }

.nav-toggle{ display:none; flex-direction:column; gap:4px; background:none; border:0; cursor:pointer; padding:8px; }
.nav-toggle span{ width:22px; height:2px; background:var(--text); display:block; }

@media (max-width:800px){
  .nav-toggle{ display:flex; }
  .site-nav{
    position:absolute; top:68px; left:0; right:0;
    background:var(--panel); border-bottom:1px solid var(--border);
    flex-direction:column; align-items:flex-start; gap:0;
    max-height:0; overflow:hidden;
  }
  .site-nav.is-open{ max-height:400px; }
  .site-nav a{ width:100%; padding:14px 24px; border-bottom:1px solid var(--border); }
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.5rem;
  font-family:var(--font-sans); font-weight:600; font-size:.95rem;
  padding:.75rem 1.4rem; border-radius:8px; border:1px solid transparent;
  cursor:pointer; text-decoration:none !important;
}
.btn-primary{ background:var(--amber); color:#191300; }
.btn-primary:hover{ background:#f0c25c; }
.btn-ghost{ background:transparent; border-color:var(--border); color:var(--text); }
.btn-ghost:hover{ border-color:var(--text-dim); }

/* ---------- Hero ---------- */
.hero{ padding:88px 0 64px; border-bottom:1px solid var(--border); position:relative; }
.hero__grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:48px; align-items:center; }
@media (max-width:860px){ .hero__grid{ grid-template-columns:1fr; } }
.hero__eyebrow{ color:var(--amber); font-family:var(--font-mono); font-size:.85rem; margin-bottom:1rem; }
.hero__cta{ display:flex; gap:12px; margin-top:1.75rem; flex-wrap:wrap; }

.code-window{
  background:var(--panel); border:1px solid var(--border); border-radius:var(--radius);
  overflow:hidden; box-shadow:0 20px 60px -20px rgba(0,0,0,.6);
}
.code-window__bar{ display:flex; gap:6px; padding:10px 14px; border-bottom:1px solid var(--border); background:var(--panel-2); }
.code-window__bar span{ width:10px; height:10px; border-radius:50%; background:var(--border); }
.code-window__bar span:nth-child(1){ background:#e35d5d55; }
.code-window__bar span:nth-child(2){ background:#e3b34155; }
.code-window__bar span:nth-child(3){ background:#6fe3b455; }
.code-window pre{ margin:0; padding:20px; font-size:.85rem; overflow-x:auto; line-height:1.7; }
.code-window .ln{ color:var(--text-dim); user-select:none; display:inline-block; width:1.6em; }
.tok-kw{ color:var(--amber); } .tok-str{ color:var(--mint); } .tok-fn{ color:var(--blue); } .tok-cm{ color:var(--text-dim); }

/* ---------- Section with line-number gutter (editor motif) ---------- */
.section{ padding:64px 0; border-bottom:1px solid var(--border); }
.section--tight{ padding:40px 0; }
.gutter-list{ list-style:none; margin:2rem 0 0; padding:0; border-top:1px solid var(--border); }
.gutter-list li{
  display:grid; grid-template-columns:56px 1fr; gap:20px;
  padding:22px 0; border-bottom:1px solid var(--border);
}
.gutter-list .ln{ font-family:var(--font-mono); color:var(--text-dim); font-size:.85rem; padding-top:.15rem; }
.gutter-list h3{ margin-bottom:.35rem; }
.gutter-list p{ margin:0; }

/* ---------- Cards ---------- */
.card-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:2rem; }
@media (max-width:860px){ .card-grid{ grid-template-columns:1fr; } }
.card{ background:var(--panel); border:1px solid var(--border); border-radius:var(--radius); padding:24px; }
.card h3{ color:var(--text); }
.card .tag{ display:inline-block; font-family:var(--font-mono); font-size:.72rem; color:var(--amber); border:1px solid var(--amber-dim); border-radius:5px; padding:2px 8px; margin-bottom:.75rem; }

/* ---------- Forms ---------- */
.form{ max-width:560px; }
.field{ margin-bottom:1.2rem; }
.field label{ display:block; font-size:.88rem; font-weight:600; margin-bottom:.4rem; color:var(--text); }
.field input, .field textarea, .field select{
  width:100%; background:var(--panel); border:1px solid var(--border); color:var(--text);
  border-radius:8px; padding:.75rem .9rem; font-family:var(--font-sans); font-size:.95rem;
}
.field textarea{ font-family:var(--font-mono); font-size:.88rem; resize:vertical; }
.field input:focus, .field textarea:focus, .field select:focus{ border-color:var(--amber); }
.form-note{ font-size:.85rem; color:var(--text-muted); margin-top:.5rem; }
.alert{ border-radius:8px; padding:14px 16px; margin-bottom:1.5rem; font-size:.92rem; }
.alert-success{ background:#6fe3b41a; border:1px solid #6fe3b455; color:var(--mint); }
.alert-error{ background:#f970661a; border:1px solid #f9706655; color:var(--red); }

/* ---------- Code tool page ---------- */
.tool-layout{ display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-top:1.75rem; align-items:start; }
@media (max-width:900px){ .tool-layout{ grid-template-columns:1fr; } }
.tool-panel{ background:var(--panel); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; }
.tool-panel__head{ display:flex; align-items:center; justify-content:space-between; padding:12px 16px; border-bottom:1px solid var(--border); background:var(--panel-2); }
.tool-panel__head h3{ margin:0; font-size:.9rem; }
#codeInput{
  width:100%; min-height:340px; background:var(--panel); border:0; color:var(--text);
  font-family:var(--font-mono); font-size:.88rem; line-height:1.6; padding:18px; resize:vertical;
}
.tool-actions{ display:flex; gap:10px; padding:14px 16px; border-top:1px solid var(--border); flex-wrap:wrap; }
.lang-badge{ font-family:var(--font-mono); font-size:.75rem; color:var(--amber); border:1px solid var(--amber-dim); padding:2px 8px; border-radius:5px; }
.result-body{ padding:18px; min-height:340px; font-size:.92rem; }
.result-body pre{ background:var(--panel-2); border:1px solid var(--border); border-radius:8px; padding:14px; overflow-x:auto; font-size:.85rem; white-space:pre-wrap; }
.result-body h4{ font-family:var(--font-sans); color:var(--amber); font-size:.85rem; text-transform:none; margin:1.2em 0 .4em; }
.spinner{ width:16px; height:16px; border:2px solid var(--border); border-top-color:var(--amber); border-radius:50%; display:inline-block; animation:spin .7s linear infinite; }
@keyframes spin{ to{ transform:rotate(360deg); } }
.placeholder-hint{ color:var(--text-dim); font-size:.9rem; }

/* ---------- Blog ---------- */
.post-list{ display:flex; flex-direction:column; gap:0; margin-top:2rem; border-top:1px solid var(--border); }
.post-list__item{ display:grid; grid-template-columns:140px 1fr; gap:24px; padding:28px 0; border-bottom:1px solid var(--border); }
@media (max-width:700px){ .post-list__item{ grid-template-columns:1fr; gap:8px; } }
.post-list__date{ font-family:var(--font-mono); color:var(--text-dim); font-size:.82rem; padding-top:.2rem; }
.post-list__item h2{ font-size:1.25rem; margin-bottom:.4rem; }
.post-list__item h2 a{ color:var(--text); }
.post-list__item h2 a:hover{ color:var(--amber); text-decoration:none; }
.post-meta{ font-family:var(--font-mono); font-size:.78rem; color:var(--text-dim); margin:.6rem 0 0; }
.post-article h1{ margin-bottom:.4rem; }
.post-article .post-meta{ margin-bottom:2rem; }
.post-article h2{ margin-top:1.8em; }
.post-article ul{ padding-left:1.2em; }
.post-article li{ margin-bottom:.4em; }

/* ---------- Ads ---------- */
.ad-slot{ margin:32px 0; text-align:center; }
.ad-slot__label{ display:block; font-family:var(--font-mono); font-size:.7rem; color:var(--text-dim); margin-bottom:6px; letter-spacing:.04em; }

/* ---------- Footer ---------- */
.site-footer{ padding:56px 0 0; }
.footer__grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:32px; padding-bottom:40px; }
@media (max-width:700px){ .footer__grid{ grid-template-columns:1fr; } }
.footer__about p{ color:var(--text-muted); font-size:.92rem; max-width:38ch; }
.brand--footer{ margin-bottom:.75rem; }
.footer__col h3{ font-size:.8rem; color:var(--text-dim); margin-bottom:.9rem; font-weight:600; }
.footer__col a{ display:block; color:var(--text-muted); font-size:.92rem; margin-bottom:.6rem; }
.footer__col a:hover{ color:var(--text); text-decoration:none; }
.footer__bottom{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
  border-top:1px solid var(--border); padding:20px 0; color:var(--text-dim); font-size:.82rem;
}

/* ---------- Page header (about/legal/blog) ---------- */
.page-head{ padding:64px 0 32px; border-bottom:1px solid var(--border); }
.page-head p{ font-size:1.05rem; color:var(--text-muted); }
.legal-content h2{ margin-top:1.8em; }
.legal-content p, .legal-content li{ color:var(--text-muted); }