/* =========================================================
   JustCalculators.app — Main Stylesheet
   Clean, professional, fully responsive
   ========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Roboto+Mono:wght@400;500&display=swap');

:root {
  --primary:       #1a56db;
  --primary-dk:    #1341b0;
  --primary-lt:    #e8f0fe;
  --accent:        #16a34a;
  --danger:        #dc2626;
  --warn:          #d97706;
  --bg:            #f8fafc;
  --bg-card:       #ffffff;
  --bg-light:      #f1f5f9;
  --text:          #0f172a;
  --text-2:        #334155;
  --text-3:        #64748b;
  --border:        #e2e8f0;
  --border-dk:     #cbd5e1;
  --shadow:        0 1px 3px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.05);
  --shadow-lg:     0 4px 20px rgba(0,0,0,.1);
  --radius:        10px;
  --radius-lg:     14px;
  --font:          'Inter', system-ui, -apple-system, sans-serif;
  --mono:          'Roboto Mono', monospace;
  --nav-h:         58px;
  --max-w:         1200px;
}

/* Reset */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;overflow-x:hidden;}
body{font-family:var(--font);background:var(--bg);color:var(--text-2);line-height:1.65;font-size:15px;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
a{color:var(--primary);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;display:block;}

/* ── Navigation ─────────────────────────────────────────── */
.site-nav{
  background:var(--primary);
  height:var(--nav-h);
  position:sticky;top:0;z-index:200;
  box-shadow:0 2px 10px rgba(26,86,219,.35);
}
.nav-inner{
  display:flex;align-items:center;
  max-width:var(--max-w);margin:0 auto;padding:0 20px;height:100%;gap:4px;
}
.nav-logo{
  display:flex;align-items:center;gap:8px;
  font-size:1.2rem;font-weight:800;color:#fff;
  letter-spacing:-.02em;margin-right:20px;white-space:nowrap;flex-shrink:0;
}
.nav-logo-icon{flex-shrink:0;}
.nav-logo .dot{color:#fbbf24;}
.nav-links{display:flex;list-style:none;height:100%;}
.nav-links a{
  display:flex;align-items:center;padding:0 12px;
  color:rgba(255,255,255,.88);font-size:.83rem;font-weight:500;
  height:100%;transition:background .15s;white-space:nowrap;
}
.nav-links a:hover{background:rgba(255,255,255,.14);color:#fff;text-decoration:none;}
.nav-search-wrap{margin-left:auto;position:relative;}
.nav-search{
  display:flex;align-items:center;
  background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);
  border-radius:7px;padding:0 10px;gap:7px;
}
.nav-search input{
  background:transparent;border:none;color:#fff;font-size:.82rem;
  outline:none;width:165px;padding:6px 0;
}
.nav-search input::placeholder{color:rgba(255,255,255,.6);}
.nav-search svg{color:rgba(255,255,255,.65);flex-shrink:0;}
.search-dropdown{
  position:absolute;right:0;top:calc(100% + 6px);
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  width:310px;box-shadow:var(--shadow-lg);list-style:none;z-index:300;
  display:none;max-height:380px;overflow-y:auto;
}
.search-dropdown li a{
  display:flex;justify-content:space-between;align-items:center;
  padding:9px 14px;color:var(--text-2);font-size:.84rem;
  border-bottom:1px solid var(--border);transition:background .12s;
}
.search-dropdown li:last-child a{border-bottom:none;}
.search-dropdown li a:hover{background:var(--primary-lt);text-decoration:none;}
.sd-cat{font-size:.68rem;background:var(--bg-light);padding:2px 7px;border-radius:4px;color:var(--text-3);}

/* ── Breadcrumb ──────────────────────────────────────────── */
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--border);padding:8px 0;}
.breadcrumb{display:flex;align-items:center;gap:5px;font-size:.78rem;color:var(--text-3);list-style:none;max-width:var(--max-w);margin:0 auto;padding:0 20px;}
.breadcrumb a{color:var(--primary);}
.breadcrumb li+li::before{content:'›';color:var(--border-dk);margin-right:5px;}

/* ── Layout ──────────────────────────────────────────────── */
.container{max-width:var(--max-w);margin:0 auto;padding:0 20px;}
.page-layout{
  display:grid;grid-template-columns:1fr 300px;gap:26px;
  max-width:var(--max-w);margin:0 auto;padding:26px 20px 52px;
  align-items:start;
}
.page-layout>*{min-width:0;}

/* ── Blog Specific Styles ── */
.calculator-callout {
  background: var(--primary-lt);
  border-left: 4px solid var(--primary);
  padding: 1.25rem;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.calculator-callout a {
  color: var(--primary);
  font-weight: 700;
}

/* ── SEO / Info Content ──────────────────────────────────── */
.info-section{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:22px 24px;margin-top:20px;
  box-shadow:var(--shadow);
}
.info-section h2{font-size:1.1rem;font-weight:700;color:var(--text);margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--border);}
.info-section h3{font-size:.95rem;font-weight:700;color:var(--text);margin:16px 0 7px;}
.info-section p{font-size:.86rem;color:var(--text-2);line-height:1.78;margin-bottom:9px;}
.info-section ul,.info-section ol{padding-left:18px;font-size:.86rem;color:var(--text-2);line-height:1.9;margin-bottom:9px;}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar{display:flex;flex-direction:column;gap:18px;}
.sidebar-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow);}
.sidebar-card h4{font-size:.73rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--text-3);margin-bottom:10px;}
.related-list{list-style:none;}
.related-list li{border-bottom:1px solid var(--border);}
.related-list li:last-child{border-bottom:none;}
.related-list a{display:block;padding:7px 0;font-size:.83rem;color:var(--text-2);transition:color .14s,padding-left .14s;}
.related-list a:hover{color:var(--primary);padding-left:3px;text-decoration:none;}

/* ── Hero & Cards ────────────────────────────────────────── */
.hero{background:linear-gradient(135deg,#1a56db 0%,#0d3a9e 100%);color:#fff;padding:46px 0 38px;}
.hero h1{font-size:clamp(1.7rem,3vw,2.5rem);font-weight:800;line-height:1.14;letter-spacing:-.02em;margin-bottom:13px;}
.hero-desc{font-size:.95rem;opacity:.87;line-height:1.7;margin-bottom:22px;}

/* ── Footer ──────────────────────────────────────────────── */
.site-footer{background:#0f172a;color:rgba(255,255,255,.65);padding:42px 0 24px;margin-top:44px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:16px;display:flex;justify-content:space-between;align-items:center;font-size:.74rem;}

/* ── Responsive ──────────────────────────────────────────── */
@media(max-width:1024px){.page-layout{grid-template-columns:1fr;}}