:root{--color-ink: #1a1208;--color-ink-2: #3d3022;--color-muted: #7a6e62;--color-paper: #faf7f2;--color-paper-2: #f2ede4;--color-rule: #e0d8cc;--color-sun: #d4721a;--color-sky: #1d5c7a;--font-display: "Playfair Display", Georgia, serif;--font-body: "Instrument Sans", system-ui, sans-serif;--radius-card: 14px;--shadow-card: 0 20px 45px rgba(26,18,8,.1);--transition: .25s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--color-paper);color:var(--color-ink);line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{cursor:pointer}.tag{display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;padding:.22rem .65rem;border-radius:4px}.tag-solar{background:#fff3e0;color:#c65d00}.tag-water{background:#e0f0f8;color:#1d5c7a}.tag-how{background:#ece8f5;color:#5b4a9e}.tag-security{background:#fce8e8;color:#b91c1c}.post-content{font-size:.98rem;line-height:1.82;color:var(--color-ink-2)}.post-content h2{font-family:var(--font-display);font-size:1.45rem;font-weight:700;color:var(--color-ink);margin:2.5rem 0 .9rem}.post-content h3{font-size:1.08rem;font-weight:700;color:var(--color-ink);margin:1.8rem 0 .65rem}.post-content p{margin-bottom:1.2rem}.post-content ul,.post-content ol{padding-left:1.5rem;margin-bottom:1.2rem}.post-content li{margin-bottom:.4rem}.post-content strong{font-weight:600;color:var(--color-ink)}.post-content a{color:var(--color-sky);font-weight:600;text-decoration:underline;text-underline-offset:3px}.post-content blockquote{border-left:3px solid var(--color-sun);padding:.8rem 1.2rem;margin:1.5rem 0;background:var(--color-paper-2);border-radius:0 8px 8px 0;font-style:italic;color:var(--color-ink-2)}.post-content table{width:100%;border-collapse:collapse;margin:1.8rem 0;font-size:.88rem;border-radius:10px;overflow:hidden;border:1px solid var(--color-rule)}.post-content th{background:var(--color-ink);color:#fff;padding:.78rem 1rem;text-align:left;font-size:.75rem;letter-spacing:.8px;text-transform:uppercase;font-weight:600}.post-content td{padding:.75rem 1rem;border-bottom:1px solid var(--color-rule);color:var(--color-ink-2)}.post-content tr:last-child td{border-bottom:none}.post-content tr:nth-child(2n) td{background:var(--color-paper-2)}.callout{background:var(--color-paper-2);border-left:4px solid var(--color-sun);border-radius:0 10px 10px 0;padding:1.1rem 1.4rem;margin:1.8rem 0}.callout-sky{border-left-color:var(--color-sky);background:#eef6fb}.callout-title{font-weight:700;font-size:.78rem;letter-spacing:1px;text-transform:uppercase;color:var(--color-sun);margin-bottom:.4rem}.callout-sky .callout-title{color:var(--color-sky)}.callout p{margin:0;font-size:.93rem;line-height:1.65}.summary-box{background:var(--color-ink);color:#fff;border-radius:12px;padding:1.8rem 2rem;margin:2.5rem 0}.summary-box h3{font-family:var(--font-display);font-size:1.1rem;color:#fff;margin-bottom:1rem}.summary-row{display:flex;justify-content:space-between;align-items:center;padding:.6rem 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:.88rem;flex-wrap:wrap;gap:.3rem}.summary-row:last-child{border-bottom:none}.summary-row .label{color:#fff9}.summary-row .value{font-weight:700;color:var(--color-sun)}@media (max-width: 768px){.hide-mobile{display:none!important}}@media (min-width: 769px){.hide-desktop{display:none!important}}