/* PrimeCost Tools — design tokens */
:root{
  --charcoal: #21262B;
  --charcoal-2: #2B3238;
  --ticket: #F6F2E9;
  --ticket-2: #EDE7D8;
  --ink: #1A1A1A;
  --amber: #E8A33D;
  --amber-dark: #C97F1F;
  --steel: #5C6B73;
  --line: #D8D0BC;
  --good: #3F7A56;
  --bad: #B3452C;
  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--ticket);
  line-height:1.5;
}

a{color:inherit;}

/* ---------- Header / Nav ---------- */
.site-header{
  background:var(--charcoal);
  color:var(--ticket);
  padding:0 24px;
  position:sticky;
  top:0;
  z-index:50;
  border-bottom:3px solid var(--amber);
}
.nav-wrap{
  max-width:1080px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:64px;
}
.logo{
  font-family:var(--font-display);
  font-weight:600;
  font-size:20px;
  letter-spacing:0.5px;
  text-decoration:none;
  color:var(--ticket);
  display:flex;
  align-items:center;
  gap:8px;
}
.logo .dot{color:var(--amber);}
.nav-links{
  display:flex;
  gap:28px;
  list-style:none;
  margin:0; padding:0;
  font-size:14px;
  font-weight:500;
}
.nav-links a{text-decoration:none; opacity:0.85; transition:opacity .15s;}
.nav-links a:hover{opacity:1; color:var(--amber);}
.nav-toggle{display:none;}

@media (max-width:720px){
  .nav-links{display:none;}
}

/* ---------- Hero ---------- */
.hero{
  background:var(--charcoal);
  color:var(--ticket);
  padding:64px 24px 84px;
  position:relative;
}
.hero-inner{max-width:1080px; margin:0 auto;}
.eyebrow{
  font-family:var(--font-mono);
  color:var(--amber);
  font-size:13px;
  letter-spacing:2px;
  text-transform:uppercase;
  margin-bottom:14px;
}
.hero h1{
  font-family:var(--font-display);
  font-size:clamp(34px,5vw,56px);
  font-weight:600;
  line-height:1.05;
  margin:0 0 20px;
  max-width:720px;
}
.hero p{
  font-size:17px;
  max-width:560px;
  color:#CBD3D6;
  margin:0 0 8px;
}

/* ---------- Tool grid on homepage ---------- */
.tools-section{
  max-width:1080px;
  margin:-48px auto 0;
  padding:0 24px 64px;
  position:relative;
}
.section-label{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--steel);
  margin:48px 0 16px;
}
.tool-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:16px;
}
.tool-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:6px;
  padding:22px 20px;
  text-decoration:none;
  color:var(--ink);
  transition:transform .15s, box-shadow .15s;
  box-shadow:0 1px 2px rgba(0,0,0,0.04);
}
.tool-card:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(0,0,0,0.08);
  border-color:var(--amber-dark);
}
.tool-card .tag{
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--amber-dark);
  text-transform:uppercase;
  letter-spacing:1px;
}
.tool-card h3{
  font-family:var(--font-display);
  font-size:20px;
  margin:8px 0 6px;
  font-weight:600;
}
.tool-card p{
  font-size:14px;
  color:var(--steel);
  margin:0;
}

/* ---------- Calculator page ---------- */
.calc-page{
  max-width:880px;
  margin:0 auto;
  padding:48px 24px 80px;
}
.calc-header{margin-bottom:32px;}
.calc-header h1{
  font-family:var(--font-display);
  font-size:clamp(28px,4vw,40px);
  margin:0 0 12px;
  font-weight:600;
}
.calc-header p{color:var(--steel); max-width:640px; font-size:16px;}

.calc-layout{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
  align-items:start;
}
@media (max-width:720px){
  .calc-layout{grid-template-columns:1fr;}
}

.calc-form{
  background:#fff;
  border:1px solid var(--line);
  border-radius:8px;
  padding:28px;
}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  margin-bottom:6px;
  color:var(--charcoal);
}
.field .hint{font-size:12px; color:var(--steel); font-weight:400; display:block; margin-top:3px;}
.field input, .field select{
  width:100%;
  padding:10px 12px;
  font-size:15px;
  font-family:var(--font-mono);
  border:1px solid var(--line);
  border-radius:5px;
  background:var(--ticket);
  color:var(--ink);
}
.field input:focus, .field select:focus{
  outline:none;
  border-color:var(--amber-dark);
  background:#fff;
}
.calc-btn{
  width:100%;
  padding:13px;
  background:var(--charcoal);
  color:var(--ticket);
  border:none;
  border-radius:5px;
  font-family:var(--font-display);
  font-size:15px;
  letter-spacing:0.5px;
  cursor:pointer;
  transition:background .15s;
}
.calc-btn:hover{background:#000;}

/* Receipt-style result panel */
.ticket{
  background:#fff;
  border:1px solid var(--line);
  border-radius:8px;
  padding:0;
  overflow:hidden;
  position:relative;
}
.ticket::before{
  content:"";
  display:block;
  height:6px;
  background-image:radial-gradient(circle, var(--ticket) 45%, transparent 46%);
  background-size:14px 14px;
  background-position:0 -7px;
  background-repeat:repeat-x;
}
.ticket-body{padding:26px 28px 28px;}
.ticket-title{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--steel);
  border-bottom:1px dashed var(--line);
  padding-bottom:12px;
  margin-bottom:16px;
}
.ticket-row{
  display:flex;
  justify-content:space-between;
  font-family:var(--font-mono);
  font-size:14px;
  padding:6px 0;
  color:var(--charcoal);
}
.ticket-row.total{
  border-top:1px dashed var(--line);
  margin-top:10px;
  padding-top:14px;
  font-size:17px;
  font-weight:700;
}
.ticket-row .val{font-weight:700;}
.badge{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:12px;
  padding:3px 10px;
  border-radius:20px;
  margin-top:14px;
}
.badge.good{background:#E4F0E8; color:var(--good);}
.badge.warn{background:#FBEFDD; color:var(--amber-dark);}
.badge.bad{background:#F7E3DB; color:var(--bad);}
.empty-state{
  color:var(--steel);
  font-size:14px;
  text-align:center;
  padding:40px 20px;
}

/* Explainer content below calc */
.explainer{
  margin-top:56px;
  padding-top:36px;
  border-top:1px solid var(--line);
}
.explainer h2{
  font-family:var(--font-display);
  font-size:24px;
  font-weight:600;
}
.explainer h3{
  font-family:var(--font-display);
  font-size:18px;
  font-weight:600;
  margin-top:28px;
}
.explainer p, .explainer li{font-size:15px; color:#3A3F3F;}
.formula-box{
  background:var(--charcoal);
  color:var(--ticket);
  font-family:var(--font-mono);
  font-size:15px;
  padding:16px 20px;
  border-radius:6px;
  margin:16px 0;
  overflow-x:auto;
}
.formula-box .amber{color:var(--amber);}

.related{
  margin-top:20px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.related a{
  font-size:13px;
  font-family:var(--font-mono);
  text-decoration:none;
  color:var(--charcoal);
  border:1px solid var(--line);
  padding:6px 12px;
  border-radius:20px;
}
.related a:hover{border-color:var(--amber-dark); color:var(--amber-dark);}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--charcoal);
  color:#9AA5A9;
  padding:36px 24px;
  margin-top:60px;
}
.footer-inner{
  max-width:1080px;
  margin:0 auto;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
  font-size:13px;
}
.footer-inner a{color:#CBD3D6; text-decoration:none;}