/* NZ Tradie Tools — stylesheet */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #0055a5;
  --blue-dark: #003d7a;
  --orange: #e55a00;
  --text: #222;
  --muted: #666;
  --border: #ddd;
  --bg: #f8f9fa;
  --white: #fff;
  --radius: 6px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body { font-family: var(--font); color: var(--text); line-height: 1.7; background: var(--white); }

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.3; color: var(--text); }
h1 { font-size: 2rem; margin-bottom: 1rem; }
h2 { font-size: 1.5rem; margin: 2rem 0 1rem; }
h3 { font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }

p { margin-bottom: 1rem; }
ul, ol { margin: 0 0 1rem 1.5rem; }
li { margin-bottom: 0.25rem; }

table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
th, td { padding: 0.6rem 0.8rem; border: 1px solid var(--border); text-align: left; }
th { background: var(--bg); font-weight: 600; }

/* Layout */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.25rem; }

.page-layout { display: grid; grid-template-columns: 1fr 280px; gap: 2.5rem; padding-top: 2rem; padding-bottom: 3rem; }
@media (max-width: 760px) { .page-layout { grid-template-columns: 1fr; } }

/* Header */
.site-header { background: var(--blue); padding: 0.9rem 0; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.logo { color: var(--white); font-size: 1.2rem; font-weight: 700; letter-spacing: -0.02em; }
.logo:hover { text-decoration: none; opacity: 0.9; }
.main-nav { display: flex; gap: 1.5rem; }
.main-nav a { color: rgba(255,255,255,0.88); font-size: 0.95rem; }
.main-nav a:hover { color: var(--white); text-decoration: none; }
@media (max-width: 540px) { .main-nav { gap: 0.75rem; } .logo { font-size: 1rem; } }

/* Hero */
.hero { background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%); color: var(--white); padding: 4rem 0; text-align: center; }
.hero h1 { color: var(--white); font-size: 2.4rem; margin-bottom: 1rem; }
.hero p { font-size: 1.15rem; opacity: 0.9; margin-bottom: 1.75rem; }
.btn-primary { display: inline-block; background: var(--orange); color: var(--white); padding: 0.75rem 2rem; border-radius: var(--radius); font-weight: 600; font-size: 1rem; }
.btn-primary:hover { opacity: 0.9; text-decoration: none; }

/* Sections */
.section { margin: 2.5rem 0; }

/* Cards (calculators grid) */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.25rem; }
.card { display: block; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; transition: border-color 0.15s, box-shadow 0.15s; }
.card:hover { border-color: var(--blue); box-shadow: 0 2px 8px rgba(0,85,165,0.1); text-decoration: none; }
.card h3 { color: var(--blue); margin: 0 0 0.5rem; font-size: 1.05rem; }
.card p { color: var(--muted); font-size: 0.9rem; margin: 0; }

/* Article list */
.article-list { display: flex; flex-direction: column; gap: 1.5rem; }
.article-card { border-bottom: 1px solid var(--border); padding-bottom: 1.5rem; }
.article-card h3 { font-size: 1.1rem; margin: 0 0 0.25rem; }
.article-card a { color: var(--blue); }

/* Article body */
.article-header { margin-bottom: 1.5rem; }
.article-header h1 { font-size: 2rem; margin-bottom: 0.5rem; }
.article-meta { color: var(--muted); font-size: 0.88rem; margin-bottom: 0.75rem; }

.article-body h2 { color: var(--blue); }
.article-body h3 { color: var(--text); }
.article-body strong { color: var(--text); }
.article-body blockquote { border-left: 4px solid var(--blue); padding-left: 1rem; color: var(--muted); margin: 1rem 0; }
.article-body code { background: var(--bg); padding: 0.1rem 0.4rem; border-radius: 3px; font-size: 0.88em; }
.article-body pre { background: #1e1e1e; color: #d4d4d4; padding: 1rem; border-radius: var(--radius); overflow-x: auto; margin: 1rem 0; }
.article-body pre code { background: none; padding: 0; }

/* Tags */
.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0.5rem 0; }
.tag { background: var(--bg); border: 1px solid var(--border); border-radius: 20px; padding: 0.2rem 0.7rem; font-size: 0.78rem; color: var(--muted); }

/* Sidebar */
.sidebar { display: flex; flex-direction: column; gap: 1.5rem; }
.sidebar-widget { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; }
.sidebar-widget h3 { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); margin: 0 0 0.75rem; }
.sidebar-widget ul { margin: 0; padding: 0; list-style: none; }
.sidebar-widget li { border-bottom: 1px solid var(--border); padding: 0.45rem 0; font-size: 0.9rem; }
.sidebar-widget li:last-child { border-bottom: none; }

/* CTA / Lead form */
.cta-box { background: linear-gradient(135deg, #eef5ff 0%, #f0f7ee 100%); border: 1px solid #c5daf7; border-radius: var(--radius); padding: 2rem; margin: 2rem 0; }
.cta-box h2, .cta-box h3 { color: var(--blue); margin-bottom: 0.5rem; }

.lead-form { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1rem; }
.lead-form input, .lead-form textarea { padding: 0.65rem 0.9rem; border: 1px solid var(--border); border-radius: var(--radius); font-size: 0.95rem; font-family: var(--font); width: 100%; }
.lead-form input:focus, .lead-form textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,85,165,0.1); }
.lead-form button { background: var(--blue); color: var(--white); border: none; border-radius: var(--radius); padding: 0.75rem 1.5rem; font-size: 1rem; font-weight: 600; cursor: pointer; }
.lead-form button:hover { background: var(--blue-dark); }

/* Calculator */
.calculator-wrapper { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.75rem; margin: 1.5rem 0; }
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 540px) { .calc-grid { grid-template-columns: 1fr; } }
.calc-group { display: flex; flex-direction: column; gap: 0.4rem; }
.calc-group label { font-size: 0.88rem; font-weight: 600; color: var(--muted); }
.calc-group input, .calc-group select { padding: 0.6rem 0.8rem; border: 1px solid var(--border); border-radius: var(--radius); font-size: 1rem; font-family: var(--font); }
.calc-group input:focus, .calc-group select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,85,165,0.1); }
.calc-btn { background: var(--blue); color: var(--white); border: none; border-radius: var(--radius); padding: 0.7rem 1.5rem; font-size: 1rem; font-weight: 600; cursor: pointer; margin-top: 0.5rem; }
.calc-btn:hover { background: var(--blue-dark); }
.calc-result { background: var(--white); border: 2px solid var(--blue); border-radius: var(--radius); padding: 1.25rem; margin-top: 1.25rem; }
.calc-result h3 { color: var(--blue); margin: 0 0 0.75rem; font-size: 1rem; }
.result-row { display: flex; justify-content: space-between; padding: 0.3rem 0; border-bottom: 1px solid var(--border); font-size: 0.95rem; }
.result-row:last-child { border-bottom: none; font-weight: 700; font-size: 1.05rem; color: var(--blue); }
.result-highlight { color: var(--orange); font-weight: 700; }
.calc-tabs { display: flex; gap: 0; margin-bottom: 1.25rem; border-bottom: 2px solid var(--border); }
.calc-tab { padding: 0.5rem 1.25rem; cursor: pointer; border: none; background: none; font-size: 0.95rem; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -2px; }
.calc-tab.active { color: var(--blue); border-bottom-color: var(--blue); font-weight: 600; }

/* Lead paragraph */
.lead { font-size: 1.1rem; color: var(--muted); margin-bottom: 1.5rem; }

/* Ad banner placeholder */
.ad-banner { min-height: 90px; background: var(--bg); border: 1px dashed var(--border); margin: 1rem 0; text-align: center; }

/* Footer */
.site-footer { background: var(--text); color: rgba(255,255,255,0.7); padding: 1.5rem 0; font-size: 0.88rem; text-align: center; margin-top: 3rem; }
.site-footer p { margin-bottom: 0.25rem; }
.disclosure { font-size: 0.78rem; opacity: 0.6; }