:root{--ink:#172033;--muted:#5d6b82;--line:#dfe6ef;--paper:#fff;--soft:#f5f8fb;--brand:#216869;--brand2:#49a078;--warn:#f4a261;--radius:14px;--shadow:0 18px 40px rgba(18,32,51,.09)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}a{color:inherit}img{max-width:100%;display:block}.container{width:min(1140px,92vw);margin:auto}.top{background:#12343b;color:white;font-size:.9rem}.top .container{display:flex;justify-content:space-between;gap:1rem;padding:.55rem 0}.nav{position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);z-index:20}.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:1.2rem;padding:1rem 0}.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;font-weight:900}.mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center;color:white}.menu{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}.menu a{text-decoration:none;color:#344256;font-weight:700;font-size:.95rem}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:.8rem 1rem;background:var(--brand);color:white;text-decoration:none;font-weight:800;cursor:pointer}.btn.alt{background:#edf7f3;color:#14534e}.hero{background:linear-gradient(rgba(18,52,59,.42),rgba(18,52,59,.58)),url('bright-modern-home-maintenance-hero.webp') center/cover;min-height:620px;color:white;display:flex;align-items:end}.hero .container{padding:5rem 0}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:900;color:#b7f4dd}h1{font-size:clamp(2.3rem,5vw,4.8rem);line-height:1.03;max-width:870px;margin:.7rem 0 1rem;letter-spacing:0}h2{font-size:clamp(1.7rem,3vw,2.5rem);line-height:1.16;margin:0 0 1rem}h3{line-height:1.25}.lead{font-size:1.14rem;max-width:760px;color:rgba(255,255,255,.88)}.section{padding:4rem 0}.section.soft{background:var(--soft)}.grid{display:grid;gap:1.2rem}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card{background:white;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.card-body{padding:1.25rem}.tag{display:inline-flex;background:#e7f7ee;color:#146053;border-radius:99px;padding:.22rem .65rem;font-weight:800;font-size:.78rem}.article-card img{height:210px;width:100%;object-fit:cover}.meta{color:var(--muted);font-size:.88rem;display:flex;gap:.8rem;flex-wrap:wrap}.article{max-width:820px;margin:auto;padding:3rem 0}.article h1{color:var(--ink);font-size:clamp(2.1rem,4vw,3.6rem)}.article p{color:#334155}.article .hero-img{border-radius:16px;box-shadow:var(--shadow);margin:1.5rem 0}.checklist{background:#f2fbf6;border:1px solid #cbeedd;border-radius:14px;padding:1rem 1.2rem}.checklist li{margin:.35rem 0}.tool-panel{background:white;border:1px solid var(--line);border-radius:14px;padding:1.2rem;box-shadow:var(--shadow)}label{display:block;font-weight:800;margin:.6rem 0 .25rem}input,select,textarea{width:100%;border:1px solid #cbd5e1;border-radius:10px;padding:.78rem;font:inherit}.result{background:#12343b;color:white;border-radius:12px;padding:1rem;margin-top:1rem;white-space:pre-line}.footer{background:#12343b;color:#d8e9e7;padding:2.5rem 0;margin-top:2rem}.footer a{color:#fff;text-decoration:none}.legal{max-width:850px;margin:auto;padding:3rem 0}.legal h1{color:var(--ink);font-size:2.5rem}.toc{background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:1rem;margin:1.5rem 0}.notice{background:#fff7ed;border:1px solid #fed7aa;border-radius:14px;padding:1rem;margin:1rem 0;color:#7c2d12}
@media(max-width:850px){.grid-3,.grid-2{grid-template-columns:1fr}.hero{min-height:560px}.menu{display:none}.top .container{display:block}.article-card img{height:190px}}
.inline-img{border-radius:16px;box-shadow:var(--shadow);margin:1.5rem 0;width:100%;max-height:520px;object-fit:cover}.author-box{display:flex;gap:1.2rem;align-items:center;background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:1.2rem;margin:2rem 0;box-shadow:var(--shadow)}.author-box img{width:104px;height:104px;border-radius:24px;object-fit:cover}.eyebrow-inline{text-transform:uppercase;letter-spacing:.08em;font-size:.76rem;font-weight:900;color:var(--brand);margin:0}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.faq-grid>div{background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:1rem}@media(max-width:850px){.author-box{align-items:flex-start}.faq-grid{grid-template-columns:1fr}}
.resource-links{background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:1.2rem;margin:2rem 0;box-shadow:var(--shadow)}.resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.resource-links ul{padding-left:1.1rem;margin:.4rem 0}.resource-links li{margin:.45rem 0}.resource-links span{display:inline-block;margin-left:.35rem;color:var(--muted);font-size:.82rem}.resource-links a{font-weight:800;color:#14534e}@media(max-width:850px){.resource-grid{grid-template-columns:1fr}}