/* ============================================================
   Idiot Cooking Tools — Design System
   Palette: Indigo/Slate SaaS
   ============================================================ */
:root{
  --ink-900:#0f172a;
  --ink-800:#1e293b;
  --ink-700:#334155;
  --ink-500:#64748b;
  --ink-400:#94a3b8;
  --ink-200:#e2e8f0;
  --ink-100:#f1f5f9;
  --ink-50:#f8fafc;
  --white:#ffffff;

  --indigo-700:#4338ca;
  --indigo-600:#4f46e5;
  --indigo-500:#6366f1;
  --indigo-100:#e0e7ff;
  --indigo-50:#eef2ff;

  --amber-500:#f59e0b;
  --green-600:#16a34a;
  --red-600:#dc2626;

  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:20px;

  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow-md:0 4px 16px rgba(15,23,42,.08);
  --shadow-lg:0 12px 32px rgba(15,23,42,.12);

  --font-display:'Fraunces', Georgia, serif;
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:'JetBrains Mono', ui-monospace, monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink-800);
  background:var(--ink-50);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--indigo-600);text-decoration:none;}
a:hover{text-decoration:underline;}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink-900);margin:0 0 .5em;line-height:1.2;}
p{margin:0 0 1em;}
.container{max-width:1120px;margin:0 auto;padding:0 20px;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

:focus-visible{outline:3px solid var(--amber-500);outline-offset:2px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(248,250,252,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--ink-200);
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  height:68px;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:600;font-size:1.15rem;color:var(--ink-900);}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(135deg,var(--indigo-600),var(--indigo-500) 60%,var(--amber-500));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:1rem;flex:none;
}
.main-nav{display:flex;align-items:center;gap:22px;font-size:.95rem;font-weight:500;}
.main-nav a{color:var(--ink-700);}
.main-nav a:hover{color:var(--indigo-600);text-decoration:none;}

.header-search{position:relative;width:260px;flex:none;}
.header-search input{
  width:100%;padding:9px 14px 9px 36px;border-radius:999px;
  border:1px solid var(--ink-200);background:var(--white);
  font-size:.9rem;font-family:var(--font-body);color:var(--ink-800);
}
.header-search input:focus{border-color:var(--indigo-500);}
.header-search::before{
  content:"⌕";position:absolute;left:13px;top:50%;transform:translateY(-50%);
  color:var(--ink-400);font-size:1rem;pointer-events:none;
}
.search-results{
  position:absolute;top:calc(100% + 6px);left:0;right:0;
  background:var(--white);border:1px solid var(--ink-200);border-radius:var(--radius-md);
  box-shadow:var(--shadow-lg);max-height:340px;overflow-y:auto;display:none;z-index:60;
}
.search-results.open{display:block;}
.search-results a{display:block;padding:10px 14px;color:var(--ink-800);border-bottom:1px solid var(--ink-100);font-size:.9rem;}
.search-results a:last-child{border-bottom:none;}
.search-results a:hover{background:var(--indigo-50);text-decoration:none;}
.search-results .cat{color:var(--ink-400);font-size:.78rem;}
.search-empty{padding:14px;color:var(--ink-500);font-size:.88rem;}

.nav-toggle{display:none;background:none;border:1px solid var(--ink-200);border-radius:8px;padding:8px 10px;font-size:1.1rem;}

/* ---------- Hero ---------- */
.hero{padding:64px 0 48px;background:
  radial-gradient(circle at 15% 20%, var(--indigo-100) 0, transparent 45%),
  radial-gradient(circle at 85% 0%, #fde68a55 0, transparent 40%),
  var(--ink-50);
}
.hero .eyebrow{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--indigo-600);background:var(--indigo-50);padding:6px 12px;border-radius:999px;margin-bottom:16px;
}
.hero h1{font-size:clamp(2rem,4.5vw,3.1rem);max-width:820px;}
.hero p.lead{font-size:1.15rem;color:var(--ink-700);max-width:640px;}
.hero-stats{display:flex;gap:28px;margin-top:28px;flex-wrap:wrap;}
.hero-stats div{font-family:var(--font-display);font-size:1.6rem;color:var(--ink-900);}
.hero-stats span{display:block;font-family:var(--font-body);font-size:.8rem;color:var(--ink-500);font-weight:500;}

/* ---------- Tool grid ---------- */
.section-title{display:flex;align-items:baseline;justify-content:space-between;margin:56px 0 22px;gap:16px;flex-wrap:wrap;}
.section-title h2{font-size:1.6rem;margin:0;}
.section-title p{margin:0;color:var(--ink-500);font-size:.95rem;}

.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;}
.tool-card{
  background:var(--white);border:1px solid var(--ink-200);border-radius:var(--radius-md);
  padding:22px;transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  display:flex;flex-direction:column;gap:10px;
}
.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--indigo-500);text-decoration:none;}
.tool-icon{
  width:42px;height:42px;border-radius:10px;background:var(--indigo-50);color:var(--indigo-600);
  display:flex;align-items:center;justify-content:center;font-size:1.3rem;
}
.tool-card h3{font-size:1.05rem;color:var(--ink-900);margin:0;}
.tool-card p{color:var(--ink-500);font-size:.88rem;margin:0;flex:1;}
.tool-card .cta{font-size:.82rem;font-weight:600;color:var(--indigo-600);}

/* ---------- Tool page ---------- */
.tool-hero{background:var(--white);border-bottom:1px solid var(--ink-200);padding:40px 0 32px;}
.breadcrumb{font-size:.82rem;color:var(--ink-500);margin-bottom:14px;}
.breadcrumb a{color:var(--ink-500);}
.tool-hero h1{font-size:clamp(1.7rem,3.4vw,2.4rem);}
.tool-hero p.lead{color:var(--ink-600,--ink-700);font-size:1.05rem;max-width:700px;}

.tool-layout{padding:40px 0 20px;}
.tool-app{
  background:var(--white);border:1px solid var(--ink-200);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-sm);
}
.field-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:16px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field label{font-size:.85rem;font-weight:600;color:var(--ink-700);}
.field input,.field select,.field textarea{
  padding:10px 12px;border:1px solid var(--ink-200);border-radius:var(--radius-sm);
  font-size:.95rem;font-family:var(--font-body);background:var(--ink-50);color:var(--ink-900);width:100%;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--indigo-500);background:var(--white);}
.field small{color:var(--ink-500);font-size:.78rem;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--indigo-600);color:#fff;border:none;border-radius:999px;
  padding:11px 24px;font-size:.95rem;font-weight:600;cursor:pointer;transition:background .15s ease;
  font-family:var(--font-body);
}
.btn:hover{background:var(--indigo-700);}
.btn.secondary{background:var(--white);color:var(--indigo-600);border:1px solid var(--indigo-200,var(--indigo-500));}
.btn.secondary:hover{background:var(--indigo-50);}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px;}

.result-box{
  margin-top:22px;padding:20px;border-radius:var(--radius-md);
  background:var(--indigo-50);border:1px solid var(--indigo-100);display:none;
}
.result-box.show{display:block;}
.result-box h3{font-size:1rem;margin-bottom:10px;color:var(--indigo-700);}
.result-line{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--indigo-100);font-size:.95rem;}
.result-line:last-child{border-bottom:none;}
.result-line strong{color:var(--ink-900);}
.result-big{font-family:var(--font-display);font-size:2.2rem;color:var(--indigo-700);margin:4px 0;}

table.data-table{width:100%;border-collapse:collapse;font-size:.9rem;margin-top:10px;}
table.data-table th,table.data-table td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--ink-200);}
table.data-table th{color:var(--ink-500);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em;}

.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.tag{background:var(--ink-100);color:var(--ink-700);border-radius:999px;padding:6px 12px;font-size:.82rem;cursor:pointer;border:1px solid transparent;}
.tag.active,.tag:hover{background:var(--indigo-100);color:var(--indigo-700);border-color:var(--indigo-500);}

.note-banner{
  margin-top:16px;padding:12px 16px;border-radius:var(--radius-sm);
  background:#fffbeb;border:1px solid #fde68a;color:#92400e;font-size:.85rem;
}

/* ---------- Sidebar ---------- */
.tool-content-grid{display:grid;grid-template-columns:2.2fr 1fr;gap:28px;align-items:start;}
.sidebar{background:var(--white);border:1px solid var(--ink-200);border-radius:var(--radius-md);padding:20px;position:sticky;top:88px;}
.sidebar h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-500);margin-bottom:12px;}
.sidebar ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.sidebar a{font-size:.9rem;color:var(--ink-700);}
.sidebar a:hover{color:var(--indigo-600);}

/* ---------- Article / description content ---------- */
.tool-article{margin-top:44px;background:var(--white);border:1px solid var(--ink-200);border-radius:var(--radius-lg);padding:34px;}
.tool-article h2{font-size:1.4rem;margin-top:1.4em;}
.tool-article h2:first-child{margin-top:0;}
.tool-article p{color:var(--ink-700);}
.tool-article ul{color:var(--ink-700);padding-left:1.2em;}
.tool-article li{margin-bottom:.4em;}

.faq{margin-top:12px;}
.faq-item{border-bottom:1px solid var(--ink-200);padding:16px 0;}
.faq-item summary{font-weight:600;color:var(--ink-900);cursor:pointer;font-size:1rem;list-style:none;display:flex;justify-content:space-between;align-items:center;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--indigo-600);font-size:1.3rem;font-weight:400;}
.faq-item[open] summary::after{content:"−";}
.faq-item p{margin-top:10px;color:var(--ink-700);}

/* ---------- Categories / static pages ---------- */
.static-page{padding:56px 0 80px;}
.static-page h1{font-size:2.1rem;}
.static-page .container{max-width:820px;}
.static-page h2{margin-top:1.6em;font-size:1.3rem;}
.static-page p, .static-page li{color:var(--ink-700);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);color:var(--ink-200);margin-top:80px;padding:52px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px;}
.footer-grid h4{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:14px;}
.footer-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;}
.footer-grid a{color:var(--ink-400);font-size:.88rem;}
.footer-grid a:hover{color:#fff;}
.footer-brand p{color:var(--ink-400);font-size:.88rem;max-width:280px;}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--ink-700);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:.8rem;color:var(--ink-500);
}
.footer-bottom a{color:var(--ink-500);}

.ad-slot{
  margin:32px 0;padding:18px;border:1px dashed var(--ink-200);border-radius:var(--radius-md);
  text-align:center;color:var(--ink-400);font-size:.78rem;background:var(--white);
}

@media (max-width:860px){
  .tool-content-grid{grid-template-columns:1fr;}
  .sidebar{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:720px){
  .main-nav{display:none;}
  .header-search{width:180px;}
  .nav-toggle{display:block;}
  .footer-grid{grid-template-columns:1fr;}
}