:root{--ink:#2b251f;--muted:#6f665d;--paper:#ffffff;--paper2:#f6f3ef;--rust:#a5492a;--rust2:#7d311e;--gold:#c48a45;--char:#1e1b18;--line:#ddcfc0;--white:#fff;--green:#3e624b;--shadow:0 12px 38px rgba(49,35,24,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#ffffff;line-height:1.72}a{color:var(--rust2);text-decoration-thickness:1px;text-underline-offset:3px}img{max-width:100%;display:block}.wrap{width:min(1180px,calc(100% - 36px));margin:auto}.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.head-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-weight:800;font-size:24px;letter-spacing:-.02em}.brand-mark{width:34px;height:34px;border-radius:50% 50% 45% 45%;background:radial-gradient(circle at 50% 70%,#f0ae43 0 18%,#c9552c 20% 47%,#71301d 49% 72%,#211b16 74%);box-shadow:inset 0 0 0 3px rgba(255,255,255,.25)}nav{display:flex;gap:22px;align-items:center}nav a{text-decoration:none;color:var(--ink);font-size:14px;font-weight:700}.menu-btn{display:none;border:1px solid var(--line);background:var(--white);border-radius:10px;padding:10px 12px}.hero{padding:72px 0 54px}.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:800;color:var(--rust)}h1,h2,h3{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.12;margin:0 0 18px;letter-spacing:-.035em}h1{font-size:clamp(42px,6vw,76px);max-width:1000px}h2{font-size:clamp(30px,4vw,46px);margin-top:48px}h3{font-size:25px;margin-top:32px}.lede{font-size:clamp(19px,2.2vw,25px);max-width:820px;color:#4f473f}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}.hero-photo{aspect-ratio:4/3;object-fit:cover;border-radius:26px;box-shadow:var(--shadow)}.hero-note{background:var(--char);color:#f8efe6;border-radius:22px;padding:28px;margin-top:24px}.hero-note strong{color:#ffd394}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 11px;font-size:13px}.section{padding:44px 0}.section.alt{background:var(--paper2);border-top:1px solid #ece6df;border-bottom:1px solid #ece6df}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:0 4px 18px rgba(50,38,28,.05)}.card h3{font-size:24px;margin-top:0}.card p{color:var(--muted)}.card a.more{font-weight:800;text-decoration:none}.hub-card img{border-radius:13px;aspect-ratio:4/3;object-fit:cover;margin-bottom:19px}.article{width:min(860px,calc(100% - 36px));margin:auto;padding:58px 0;background:#fff}.article h1{font-size:clamp(38px,6vw,64px)}.article p,.article li{font-size:18px}.article .standfirst{font-size:22px;color:#51483f}.callout{border-left:5px solid var(--gold);background:#fff6e8;padding:18px 22px;margin:28px 0;border-radius:0 13px 13px 0}.warning{border-left-color:#9d3a2e;background:#fff0ed}.good{border-left-color:var(--green);background:#edf6ef}.mini-table{width:100%;border-collapse:collapse;margin:25px 0;background:white}.mini-table th,.mini-table td{padding:13px 14px;border:1px solid var(--line);text-align:left;vertical-align:top}.mini-table th{background:#f5ecdf}.smartfire{margin:48px 0 10px;background:#171411;color:#fff;border-radius:22px;padding:28px}.smartfire .sf-logo{font-weight:900;letter-spacing:.04em;font-size:23px}.smartfire p{color:#e6ddd3}.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.btn{display:inline-block;text-decoration:none;font-weight:800;border-radius:11px;padding:12px 17px;background:#fff;color:#171411}.btn.secondary{background:#c5552e;color:white}.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:24px}.breadcrumbs a{color:var(--muted)}.related{margin-top:45px;padding-top:26px;border-top:1px solid var(--line)}.related ul{padding-left:20px}.tool{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:28px;margin:28px 0}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field label{display:block;font-weight:800;margin-bottom:6px}.field input,.field select{width:100%;padding:12px 13px;border:1px solid #cbbcad;border-radius:10px;background:white;font:inherit}.tool button{margin-top:18px;border:0;border-radius:11px;background:var(--rust2);color:white;padding:13px 18px;font:inherit;font-weight:800;cursor:pointer}.result{display:none;margin-top:20px;padding:18px;border-radius:13px;background:#f4eee5}.site-foot{background:#1c1916;color:#ddd1c5;padding:52px 0 26px;margin-top:45px}.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:28px}.site-foot h3{font-size:20px;margin-top:0;color:white}.site-foot a{color:#f3dfca}.copyright{border-top:1px solid #403933;margin-top:32px;padding-top:18px;font-size:13px;color:#bcae9e}.source-note{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;margin-top:35px}.home-feature{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start}.quote{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:30px;font-weight:750;letter-spacing:-.025em;line-height:1.3;padding:30px;background:#34251d;color:#fff;border-radius:22px}.kicker{font-weight:800;color:var(--rust)}.list-clean{list-style:none;padding:0}.list-clean li{padding:10px 0;border-bottom:1px solid var(--line)}
@media(max-width:850px){.hero-grid,.home-feature,.grid,.foot-grid,.tool-grid{grid-template-columns:1fr}.head-inner{height:66px}.menu-btn{display:block}nav{display:none;position:absolute;left:0;right:0;top:66px;background:var(--paper);padding:18px 20px;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}nav.open{display:flex}.hero{padding:42px 0 34px}.article{padding-top:34px}.article p,.article li{font-size:17px}.mini-table{display:block;overflow-x:auto;white-space:normal}.smartfire{padding:22px}.btn{width:100%;text-align:center}}

/* V1.1 editorial refinement */
main{background:#fff}.hero{background:#fff}.card{box-shadow:0 3px 14px rgba(43,37,31,.045)}.article h2{margin-top:56px}.article h3{margin-top:38px}.lede,.article .standfirst{line-height:1.55}.site-foot{margin-top:64px}.hub-card img{background:#eee}.smartfire{box-shadow:0 12px 32px rgba(23,20,17,.12)}


/* V2 — logos, header/footer, richer editorial layout */
.site-head .brand{display:flex;align-items:center;min-width:0}
.site-head .brand-mark,.site-head .brand span:not(.brand-mark){display:none!important}
.header-logo{display:block;width:auto;height:46px;max-width:330px;object-fit:contain}
.head-inner{height:78px}
.site-foot{background:#171717;color:#d8d3ce}
.foot-grid{grid-template-columns:1.65fr .9fr .9fr 1.45fr;align-items:start}
.footer-site-logo{width:min(100%,300px);height:auto;max-height:72px;object-fit:contain;margin-bottom:18px}
.footer-sf-logo{width:min(100%,230px);height:auto;max-height:54px;object-fit:contain;margin-bottom:14px}
.smartfire .sf-logo{display:none}
.smartfire-logo{width:auto;height:38px;max-width:220px;object-fit:contain;margin:0 0 16px}
.smartfire h3{font-size:25px;margin-top:0}
.smartfire a[target="_blank"]{text-decoration:none}
.article .example{background:#f7f4ef;border:1px solid #e5ddd4;border-radius:16px;padding:22px 24px;margin:28px 0}
.article .example h3{margin-top:0;font-size:21px}
.article .steps{counter-reset:item;list-style:none;padding:0;margin:26px 0}
.article .steps li{position:relative;padding:0 0 20px 46px;margin:0}
.article .steps li:before{counter-increment:item;content:counter(item);position:absolute;left:0;top:2px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#a5492a;color:white;font-weight:800;font-size:14px}
.article .question{font-size:22px;font-weight:800;line-height:1.35;margin:34px 0 12px}
.tool-trays{display:grid;gap:14px;margin-top:14px}
.tray-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:16px;border:1px solid var(--line);border-radius:14px;background:#fbfaf8}
.tray-row .tray-title{grid-column:1/-1;font-weight:800}
.tool-note{font-size:14px;color:var(--muted);margin-top:8px}
.result.result-ok{background:#edf6ef;border:1px solid #bed7c5}.result.result-tight{background:#fff6e8;border:1px solid #e6cca8}.result.result-no{background:#fff0ed;border:1px solid #e1b5ad}
.home-cases{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}.home-case{display:block;padding:18px 20px;border:1px solid var(--line);border-radius:15px;background:white;text-decoration:none;font-weight:800;color:var(--ink)}.home-case:hover{border-color:#b9856b}
@media(max-width:850px){.header-logo{height:40px;max-width:245px}.head-inner{height:68px}.footer-site-logo{max-width:255px}.footer-sf-logo{max-width:205px}.tray-row{grid-template-columns:1fr}.tray-row .tray-title{grid-column:1}.home-cases{grid-template-columns:1fr}.article .example{padding:18px}.site-foot{margin-top:52px}}