/* Feng Shui Toolkit — site styles (light theme) */
:root{
  --paper:#f8f6f1; --surface:#ffffff; --sunk:#f2efe7;
  --ink:#1d2433; --ink-2:#3a4253; --muted:#646b78; --faint:#8f95a0;
  --line:#e5e0d5; --line-2:#d6cfbf;
  --accent:#b5432a; --accent-ink:#8f3220; --accent-soft:#f6e6e0;
  --jade:#2f6b57; --jade-soft:#e3efe9;
  --gold:#a8822e; --gold-soft:#f5ecd8;
  --good:#2f7d5b; --good-soft:#e2f1e9;
  --bad:#b9533b; --bad-soft:#f8e5df;
  --radius:10px; --radius-sm:6px;
  --shadow:0 1px 2px rgba(29,36,51,.05),0 4px 14px rgba(29,36,51,.05);
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --wrap:1120px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--sans)}
img,svg,canvas{max-width:100%}
a{color:var(--accent-ink);text-underline-offset:2px}
a:hover{color:var(--accent)}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.2;letter-spacing:-.005em;color:var(--ink)}
h1{font-size:clamp(1.9rem,3.6vw,2.6rem);margin:.2em 0 .35em}
h2{font-size:clamp(1.35rem,2.2vw,1.65rem);margin:1.8em 0 .5em}
h3{font-size:1.15rem;margin:1.4em 0 .4em}
p{margin:.55em 0 .9em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}

/* header */
.site-header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:62px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}
.brand .logo{color:var(--ink);flex:none}
.brand-name{font-family:var(--serif);font-size:1.18rem;font-weight:500;white-space:nowrap}
.brand-name b{font-weight:600;color:var(--accent)}
.main-nav{display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.main-nav a{color:var(--ink-2);text-decoration:none;font-size:.92rem;padding:7px 11px;border-radius:999px}
.main-nav a:hover{background:var(--sunk);color:var(--ink)}
.main-nav .nav-all{border:1px solid var(--line-2)}
@media (max-width:860px){.main-nav a:not(.nav-all){display:none}}

.crumbs{font-size:.85rem;color:var(--muted);padding-top:18px}
.crumbs a{color:var(--muted)}

/* page hero */
.page-hero{padding:6px 0 4px}
.page-hero .lede{font-size:1.08rem;color:var(--ink-2);max-width:720px}
.eyebrow{font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;color:var(--jade);font-weight:600}

/* buttons & form */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 .95rem/1 var(--sans);padding:12px 18px;border-radius:8px;border:1px solid var(--accent);background:var(--accent);color:#fff;text-decoration:none;cursor:pointer;transition:background .15s}
.btn:hover{background:var(--accent-ink);color:#fff}
.btn.ghost{background:transparent;color:var(--accent-ink)}
.btn.ghost:hover{background:var(--accent-soft)}
.btn.quiet{background:var(--surface);color:var(--ink);border-color:var(--line-2);font-weight:500}
.btn.quiet:hover{background:var(--sunk)}
.btn.small{padding:8px 12px;font-size:.86rem}
.btn:disabled{opacity:.5;cursor:not-allowed}
label{font-size:.88rem;font-weight:500;color:var(--ink-2)}
input[type=text],input[type=number],input[type=date],input[type=search],select{font:inherit;font-size:.95rem;padding:10px 12px;border:1px solid var(--line-2);border-radius:8px;background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,button:focus-visible,a:focus-visible{outline:2px solid var(--jade);outline-offset:1px}
.field{display:flex;flex-direction:column;gap:6px}
.seg{display:inline-flex;border:1px solid var(--line-2);border-radius:8px;overflow:hidden;background:#fff}
.seg button{font:500 .88rem var(--sans);border:0;background:transparent;padding:9px 14px;cursor:pointer;color:var(--ink-2)}
.seg button+button{border-left:1px solid var(--line-2)}
.seg button[aria-pressed=true]{background:var(--ink);color:#fff}
input[type=range]{width:100%;accent-color:var(--accent)}

/* tool panel */
.tool-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin:18px 0 8px}
.tool-grid{display:grid;grid-template-columns:320px 1fr;gap:24px}
@media (max-width:900px){.tool-grid{grid-template-columns:1fr}}
.controls{display:flex;flex-direction:column;gap:16px}
.controls .row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hint{font-size:.83rem;color:var(--muted);margin:0}
.result-box{background:var(--sunk);border-radius:var(--radius);padding:18px}
.big-number{font-family:var(--serif);font-size:3.6rem;line-height:1;color:var(--accent);font-weight:600}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:.93rem;margin:0}
.kv dt{color:var(--muted)}
.kv dd{margin:0;font-weight:500}
.pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:.78rem;font-weight:600;background:var(--sunk);color:var(--ink-2)}
.pill.good{background:var(--good-soft);color:var(--good)}
.pill.bad{background:var(--bad-soft);color:var(--bad)}
.pill.gold{background:var(--gold-soft);color:var(--gold)}
.note{border-left:3px solid var(--gold);background:var(--gold-soft);padding:10px 14px;border-radius:0 8px 8px 0;font-size:.9rem;color:var(--ink-2)}
.empty{color:var(--muted);font-size:.95rem;text-align:center;padding:40px 10px}

/* direction table */
.dir-list{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.dir-list li{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 12px;font-size:.92rem}
.dir-list .dir{font-weight:700;font-family:var(--serif);font-size:1.05rem}
.dir-list .what{color:var(--ink-2)}
.dir-list .what small{display:block;color:var(--muted);font-size:.8rem}

/* content */
.content{max-width:760px}
.content ul,.content ol{padding-left:1.2em}
.content li{margin:.3em 0}
.content table{border-collapse:collapse;width:100%;font-size:.92rem;margin:1em 0;background:#fff}
.content th,.content td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.content th{background:var(--sunk);font-weight:600}
.table-scroll{overflow-x:auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px 16px;margin:8px 0}
.faq summary{cursor:pointer;font-weight:600}
.faq details p{margin:.6em 0 .2em;color:var(--ink-2)}

/* cards */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.tool-card{position:relative;display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s,box-shadow .15s}
a.tool-card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-1px);color:var(--ink)}
.card-ico{flex:none;width:42px;height:42px;border-radius:10px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent-ink)}
.tool-card.is-soon .card-ico{background:var(--sunk);color:var(--faint)}
.card-body{display:flex;flex-direction:column;gap:3px}
.card-title{font-weight:600;font-size:.98rem}
.card-text{font-size:.86rem;color:var(--muted);line-height:1.45}
.tool-card.is-soon{background:transparent;border-style:dashed}
.tool-card.is-soon .card-title{color:var(--ink-2)}
.soon-tag{position:absolute;top:10px;right:10px;font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--faint)}
.related{margin:40px auto 10px}

/* home */
.home-hero{padding:46px 0 28px}
.home-hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
@media (max-width:900px){.home-hero-grid{grid-template-columns:1fr}}
.home-hero h1{font-size:clamp(2.1rem,4.4vw,3.2rem)}
.home-hero .lede{font-size:1.12rem;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.trust{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;font-size:.86rem;color:var(--muted)}
.trust span::before{content:"✓ ";color:var(--jade);font-weight:700}
.demo-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:14px}
.demo-card .demo-bar{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.demo-card .demo-title{font-size:.82rem;color:var(--muted)}
.demo-stage{position:relative;border-radius:10px;overflow:hidden;background:#fbfaf6;aspect-ratio:1/0.82}
.demo-stage svg{width:100%;height:100%;display:block}
.feature-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0;margin:30px 0}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
@media (max-width:800px){.feature-grid{grid-template-columns:1fr}}
.feature-grid h3{margin-top:.2em}
.feature-grid p{color:var(--ink-2);font-size:.95rem}
.group-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:38px 0 12px}
.group-head h2{margin:0}
.group-head p{margin:0;color:var(--muted);font-size:.93rem}

/* ads */
.ad-slot{margin:26px auto;max-width:var(--wrap);padding:0 20px;text-align:center}
.ad-label{display:block;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);margin-bottom:4px}

/* footer */
.site-footer{margin-top:70px;background:var(--surface);border-top:1px solid var(--line);padding:40px 0 18px;font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:26px}
@media (max-width:980px){.footer-grid{grid-template-columns:1fr 1fr 1fr}.footer-brand{grid-column:1/-1}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr 1fr}}
.site-footer .footer-site a:not(.brand){display:inline;padding:0}
.site-footer .footer-grid a:not(.brand){font-size:.86rem}
.footer-brand p{color:var(--muted);max-width:340px}
.site-footer h4{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:4px 0 10px}
.site-footer a:not(.brand){display:block;color:var(--ink-2);text-decoration:none;padding:3px 0}
.site-footer a:hover{color:var(--accent)}
.footer-note{border-top:1px solid var(--line);margin-top:26px;padding-top:14px;color:var(--faint);font-size:.8rem}

/* misc */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.mt0{margin-top:0}
.muted{color:var(--muted)}
.stack{display:flex;flex-direction:column;gap:10px}
.inline{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
label.inline{flex-wrap:nowrap;align-items:flex-start}
label.inline input[type=checkbox]{margin-top:4px;flex:none}

/* floor-plan overlay editor */
.plan-grid{display:grid;grid-template-columns:300px 1fr;gap:22px}
@media (max-width:960px){.plan-grid{grid-template-columns:1fr}.plan-grid .controls{order:2}}
.stage-wrap{position:relative;background:#f2efe7;border:1px solid var(--line);border-radius:10px;overflow:hidden;min-height:320px}
.stage-wrap.dropping{outline:3px dashed var(--accent);outline-offset:-6px}
#stage{display:block;width:100%;height:auto;max-height:78vh;touch-action:none;user-select:none}
.upload{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.upload input{display:none}
.ctl-block{border-top:1px solid var(--line);padding-top:14px}
.ctl-block h3{font-family:var(--sans);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.stage-tip{position:absolute;left:10px;bottom:10px;background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:.8rem;color:var(--ink-2);pointer-events:none}
@media (max-width:600px){.stage-tip{display:none}}
.side-box{margin-top:14px}