/*
Theme Name: WattBillGuide
Theme URI: https://wattbillguide.com/
Author: WattBillGuide
Description: Lightweight custom theme for WattBillGuide.
Version: 1.0.0
Requires at least: 6.3
Requires PHP: 7.4
Text Domain: wattbillguide
*/
:root{--ink:#172033;--muted:#667085;--line:#e6e9ee;--soft:#f6f8fa;--accent:#1769aa;--max:1120px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.7}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{border-bottom:1px solid var(--line);background:#fff}
.header-inner{max-width:var(--max);margin:auto;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.site-title{font-size:22px;font-weight:800;color:var(--ink)}
.site-description{display:none}
.main-nav ul{display:flex;gap:20px;list-style:none;margin:0;padding:0}
.main-nav a{color:var(--ink);font-size:15px;font-weight:600}
.container{max-width:var(--max);margin:auto;padding:0 20px}
main{min-height:60vh}
.hero{padding:72px 0 54px;background:var(--soft)}
.hero h1{max-width:760px;font-size:48px;line-height:1.12;margin:0 0 18px;letter-spacing:-1px}
.hero p{max-width:700px;font-size:19px;color:var(--muted);margin:0 0 28px}
.button{display:inline-block;background:var(--ink);color:#fff;padding:12px 18px;border-radius:9px;font-weight:700}
.button:hover{color:#fff;text-decoration:none;opacity:.9}
.section{padding:52px 0}
.section h2{font-size:32px;line-height:1.2;margin:0 0 12px}
.section-intro{color:var(--muted);max-width:700px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.card{border:1px solid var(--line);border-radius:14px;padding:22px;background:#fff}
.card h3{margin:0 0 8px;line-height:1.3}
.card p{color:var(--muted);margin:0}
.post-list{display:grid;gap:20px}
.post-card{border-bottom:1px solid var(--line);padding-bottom:22px}
.post-card h2{margin:0 0 6px;font-size:27px}
.meta{color:var(--muted);font-size:14px}
.content{max-width:780px;padding:52px 20px;margin:auto}
.content h1{font-size:44px;line-height:1.15}
.content h2{font-size:30px;margin-top:40px;line-height:1.25}
.content h3{font-size:23px;margin-top:32px}
.content img{max-width:100%;height:auto}
.content ul,.content ol{padding-left:25px}
.site-footer{border-top:1px solid var(--line);margin-top:60px;padding:34px 0;color:var(--muted);font-size:14px}
.footer-inner{max-width:var(--max);margin:auto;padding:0 20px;display:flex;justify-content:space-between;gap:20px}
.footer-nav ul{display:flex;gap:18px;list-style:none;margin:0;padding:0}
@media(max-width:800px){.card-grid{grid-template-columns:1fr 1fr}.hero h1{font-size:40px}.main-nav ul{gap:12px}}
@media(max-width:600px){.header-inner{align-items:flex-start}.main-nav ul{flex-wrap:wrap;justify-content:flex-end}.card-grid{grid-template-columns:1fr}.hero{padding:50px 0 40px}.hero h1{font-size:35px}.content h1{font-size:35px}.footer-inner{display:block}.footer-nav{margin-top:15px}}