/* ToolGuru - premium shared stylesheet */

@font-face{
  font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;
  src:url('../fonts/inter-400.woff2') format('woff2');
}
@font-face{
  font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;
  src:url('../fonts/inter-500.woff2') format('woff2');
}
@font-face{
  font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;
  src:url('../fonts/inter-600.woff2') format('woff2');
}
@font-face{
  font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;
  src:url('../fonts/inter-700.woff2') format('woff2');
}
@font-face{
  font-family:'Poppins';font-style:normal;font-weight:600;font-display:swap;
  src:url('../fonts/poppins-600.woff2') format('woff2');
}
@font-face{
  font-family:'Poppins';font-style:normal;font-weight:700;font-display:swap;
  src:url('../fonts/poppins-700.woff2') format('woff2');
}
@font-face{
  font-family:'Poppins';font-style:normal;font-weight:800;font-display:swap;
  src:url('../fonts/poppins-800.woff2') format('woff2');
}

:root{
  --primary:#6d4aff;
  --primary-dark:#5636d9;
  --primary-light:#efe9ff;
  --accent:#4285f4;
  --accent-2:#1fb17d;
  --bg:#f7f7fb;
  --card:#ffffff;
  --text:#181521;
  --muted:#666279;
  --border:#eae7f4;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(31,20,90,.06);
  --shadow-md:0 14px 34px rgba(31,20,90,.12);
  --gradient-brand:linear-gradient(135deg,#6d4aff 0%,#4285f4 100%);
  --font-head:'Poppins','Segoe UI',Arial,sans-serif;
  --font-body:'Inter','Segoe UI',Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.logo{font-family:var(--font-head)}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}

.container{max-width:1140px;margin:0 auto;padding:0 20px}

/* Header */
header.site-header{
  background:rgba(255,255,255,.85);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:50;
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;max-width:1140px;margin:0 auto;
}
.logo{font-size:1.5rem;font-weight:800;color:var(--text);letter-spacing:-.02em}
.logo span{
  background:var(--gradient-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
nav.main-nav ul{
  list-style:none;display:flex;align-items:center;gap:6px;margin:0;padding:0;
}
nav.main-nav a{
  color:var(--text);font-weight:500;font-size:.95rem;padding:8px 14px;border-radius:999px;transition:background .15s,color .15s;
}
nav.main-nav a:hover{color:var(--primary);background:var(--primary-light);text-decoration:none}
.nav-toggle{display:none;background:none;border:none;font-size:1.6rem;cursor:pointer;color:var(--text)}

@media(max-width:820px){
  nav.main-nav{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow-md);
  }
  nav.main-nav.open{display:block}
  nav.main-nav ul{flex-direction:column;gap:0;padding:8px}
  nav.main-nav a{display:block;padding:14px 16px;border-radius:10px}
  .nav-toggle{display:block}
}

/* Hero */
.hero{
  position:relative;text-align:center;padding:76px 20px 48px;overflow:hidden;
  background:
    radial-gradient(600px circle at 12% 0%, rgba(109,74,255,.14), transparent 55%),
    radial-gradient(600px circle at 88% 10%, rgba(66,133,244,.14), transparent 55%);
}
.hero h1{font-size:clamp(2rem,4.5vw,2.8rem);margin:0 0 14px;font-weight:800;letter-spacing:-.02em;line-height:1.15}
.hero h1 .grad{
  background:var(--gradient-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p{color:var(--muted);max-width:640px;margin:0 auto;font-size:1.08rem}
.search-box{
  max-width:520px;margin:28px auto 0;display:flex;gap:8px;
}
.search-box input{
  flex:1;padding:15px 20px;border:1px solid var(--border);border-radius:999px;font-size:1rem;
  background:#fff;box-shadow:var(--shadow-sm);font-family:inherit;
}
.search-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-light)}

.trust-row{
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:22px;
}
.trust-chip{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--border);color:var(--muted);font-size:.82rem;font-weight:500;
  padding:8px 16px;border-radius:999px;box-shadow:var(--shadow-sm);
}
.trust-chip svg{width:15px;height:15px;color:var(--primary);flex-shrink:0}

/* Feature strip */
.feature-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin:56px 0 10px;
}
.feature-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-sm);
}
.feature-card .f-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);margin-bottom:14px;
}
.feature-card .f-icon svg{width:23px;height:23px}
.feature-card h3{margin:0 0 6px;font-size:1.05rem;font-weight:700}
.feature-card p{margin:0;color:var(--muted);font-size:.92rem}

.chip-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:26px}
.chip-nav a{
  background:#fff;border:1px solid var(--border);color:var(--text);font-size:.88rem;font-weight:600;
  padding:9px 18px;border-radius:999px;transition:all .15s;
}
.chip-nav a:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light);text-decoration:none}

/* Tool grid */
.tool-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:20px;padding:14px 0 8px;
}
.tool-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .18s,border-color .18s;
  display:block;color:var(--text);
}
.tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary-light);text-decoration:none}
.tool-card .icon{
  font-size:1.5rem;display:flex;align-items:center;justify-content:center;
  width:50px;height:50px;border-radius:15px;margin-bottom:16px;
  background:var(--gradient-brand);color:#fff;
  box-shadow:0 6px 16px rgba(109,74,255,.22);
  transition:transform .18s;
}
.tool-card .icon svg{width:25px;height:25px}
.tool-card:hover .icon{transform:scale(1.08) rotate(-3deg)}
.tool-card h3{margin:0 0 6px;font-size:1.08rem;font-weight:700;letter-spacing:-.01em}
.tool-card p{margin:0;color:var(--muted);font-size:.9rem}

.tool-grid.cat-calc .icon{background:linear-gradient(135deg,#ff8a65,#ff5f6d)}
.tool-grid.cat-conv .icon{background:linear-gradient(135deg,#1fb17d,#34c98f)}
.tool-grid.cat-gen .icon{background:linear-gradient(135deg,#4285f4,#6d4aff)}

.section-head{margin:52px 0 4px;display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:8px}
.category-title{margin:0;font-size:1.5rem;font-weight:800;letter-spacing:-.01em}
.section-head .see-all{font-size:.9rem;font-weight:600}

/* Recent posts / blog cards */
.post-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:20px;padding:14px 0 50px;
}
.post-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .18s;display:block;color:var(--text);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);text-decoration:none}
.post-thumb{
  height:150px;display:flex;align-items:center;justify-content:center;font-size:2.2rem;color:#fff;overflow:hidden;
}
.post-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.grad-1{background:linear-gradient(135deg,#6d4aff,#4285f4)}
.grad-2{background:linear-gradient(135deg,#ff8a65,#ff5f6d)}
.grad-3{background:linear-gradient(135deg,#1fb17d,#34c98f)}
.grad-4{background:linear-gradient(135deg,#f5576c,#f093fb)}
.grad-5{background:linear-gradient(135deg,#4facfe,#00f2fe)}
.grad-6{background:linear-gradient(135deg,#fa709a,#fee140)}
.post-body{padding:18px 20px 22px}
.post-date{color:var(--primary);font-size:.78rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase}
.post-body h3{margin:8px 0 8px;font-size:1.05rem;font-weight:700;line-height:1.35;letter-spacing:-.01em}
.post-body p{margin:0;color:var(--muted);font-size:.88rem}

/* Tool page layout */
.tool-page{padding:34px 0 60px}
.breadcrumb{color:var(--muted);font-size:.9rem;margin-bottom:14px}
.breadcrumb a{color:var(--muted)}
.tool-page h1{font-size:2rem;margin:0 0 8px;font-weight:800;letter-spacing:-.02em}
.tool-intro{color:var(--muted);max-width:760px;margin-bottom:26px;font-size:1.02rem}

.tool-panel{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-sm);margin-bottom:34px;
}
.tool-panel label{display:block;font-weight:600;margin-bottom:6px;font-size:.92rem}
.tool-panel input[type=text],
.tool-panel input[type=number],
.tool-panel input[type=date],
.tool-panel input[type=password],
.tool-panel select,
.tool-panel textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);
  font-size:1rem;font-family:inherit;margin-bottom:16px;background:#fff;color:var(--text);
}
.tool-panel input:focus,.tool-panel select:focus,.tool-panel textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-light);
}
.tool-panel textarea{resize:vertical;min-height:140px}
.row{display:flex;gap:16px;flex-wrap:wrap}
.row > div{flex:1;min-width:150px}
.btn{
  display:inline-block;background:var(--gradient-brand);color:#fff;border:none;
  padding:13px 26px;border-radius:999px;font-size:1rem;font-weight:600;cursor:pointer;
  box-shadow:0 8px 20px rgba(109,74,255,.28);transition:transform .15s,box-shadow .15s;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(109,74,255,.35)}
.btn.secondary{background:var(--primary-light);color:var(--primary-dark);box-shadow:none}
.btn.secondary:hover{background:#e3daff;transform:none;box-shadow:none}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.result-box{
  margin-top:20px;padding:18px;background:var(--primary-light);border:1px solid #ddd2ff;
  border-radius:var(--radius-sm);font-size:1.05rem;font-weight:700;color:var(--primary-dark);word-break:break-word;
}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin-top:18px}
.stat-box{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px;text-align:center}
.stat-box .num{font-size:1.5rem;font-weight:800;color:var(--primary);font-family:var(--font-head)}
.stat-box .label{font-size:.8rem;color:var(--muted)}
#qr-output{margin-top:18px;text-align:center}
#qr-output canvas,#qr-output img{background:#fff;padding:10px;border-radius:var(--radius-sm);border:1px solid var(--border)}
.color-swatch{width:100%;height:70px;border-radius:var(--radius-sm);border:1px solid var(--border);margin-bottom:16px}

/* Content sections */
.content-block{max-width:760px;margin-bottom:32px}
.content-block h2{font-size:1.35rem;margin:0 0 12px;font-weight:800;letter-spacing:-.01em}
.content-block ol,.content-block ul{padding-left:22px}
.faq-item{margin-bottom:18px}
.faq-item h3{font-size:1.02rem;margin:0 0 4px;font-weight:700}
.faq-item p{margin:0;color:var(--muted)}
.related-tools{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.related-tools a{
  background:var(--card);border:1px solid var(--border);padding:9px 16px;border-radius:999px;font-size:.88rem;font-weight:500;color:var(--text);
}
.related-tools a:hover{border-color:var(--primary);color:var(--primary);text-decoration:none}

/* Static pages */
.page-content{padding:44px 0 60px;max-width:800px;margin:0 auto}
.page-content h1{font-size:2.1rem;margin-bottom:18px;font-weight:800;letter-spacing:-.02em}
.page-content h2{font-size:1.3rem;margin-top:30px;font-weight:700}
.page-content p, .page-content li{color:var(--text)}

/* Blog article */
.article-page{padding:44px 0 60px;max-width:760px;margin:0 auto}
.article-meta{color:var(--muted);font-size:.88rem;margin-bottom:10px;font-weight:600}
.article-meta span{color:var(--primary)}
.article-page h1{font-size:2.1rem;margin:0 0 18px;font-weight:800;letter-spacing:-.02em;line-height:1.2}
.article-page h2{font-size:1.35rem;margin-top:34px;font-weight:800;letter-spacing:-.01em}
.article-page p,.article-page li{font-size:1.02rem}
.article-hero{
  margin:0 0 30px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);
}
.article-hero img{display:block;width:100%;height:auto}
.article-cta{
  background:var(--primary-light);border:1px solid #ddd2ff;border-radius:var(--radius-lg);
  padding:24px;margin:30px 0;text-align:center;
}
.article-cta p{margin:0 0 14px;font-weight:600;color:var(--text)}
.blog-listing{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;padding:20px 0 60px;
}

/* Footer */
footer.site-footer{
  background:#12101c;color:#c7c3d9;margin-top:40px;
}
.footer-wrap{
  max-width:1140px;margin:0 auto;padding:48px 20px;
  display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between;
}
.footer-col h4{color:#fff;margin:0 0 14px;font-size:1rem;font-family:var(--font-head)}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:9px}
.footer-col a{color:#c7c3d9;font-size:.92rem}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid #292538;text-align:center;padding:18px 20px;font-size:.85rem;color:#8a869c;
}

.notice{background:#fff8e6;border:1px solid #ffe4a3;padding:12px 16px;border-radius:var(--radius-sm);font-size:.9rem;margin-bottom:18px}