*{box-sizing:border-box}
:root{
  --orange:#FF8000;
  --orange-soft:rgba(255,128,0,.16);
  --accent:#A85A00;
  --bg:#ffffff;
  --surface:#F6F6F7;
  --card:#ffffff;
  --ink:#0B0B0C;
  --muted:#55555C;
  --line:#E4E4E8;
  --grid:#ECECF0;
  --chart-mute:#9AA0A6;
  --tint-finance:#FFF1DE;
  --tint-tools:#E9F1FD;
  --tint-templates:#F0EAFB;
  --tint-shop:#E8F5ED;
  --header-bg:rgba(255,255,255,.86);
  --shadow:0 12px 32px rgba(11,11,12,.10);
  --radius:14px;
  --font-d:'Space Grotesk',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-b:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-m:ui-monospace,SFMono-Regular,Menlo,Consolas,'Liberation Mono',monospace;
}
@media (prefers-color-scheme: dark){
  :root{
    --accent:#FF9E33;
    --bg:#0B0B0C;
    --surface:#141417;
    --card:#17171A;
    --ink:#F4F4F5;
    --muted:#A9A9B1;
    --line:#28282E;
    --grid:#1D1D23;
    --chart-mute:#8B9099;
    --tint-finance:rgba(255,128,0,.14);
    --tint-tools:rgba(96,165,250,.15);
    --tint-templates:rgba(167,139,250,.16);
    --tint-shop:rgba(52,211,153,.14);
    --header-bg:rgba(11,11,12,.80);
    --shadow:0 14px 34px rgba(0,0,0,.5);
  }
}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-b);font-variant-numeric:tabular-nums;background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--font-d);line-height:1.18;letter-spacing:-.01em}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2.5px solid var(--orange);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.block{padding:72px 0}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--header-bg)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px}
.site-header.scrolled{backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-d);font-weight:700;font-size:1.25rem;color:var(--ink);text-decoration:none}
.brand img{height:30px;width:30px;border-radius:7px}
.nav{display:flex;gap:4px;align-items:center}
.nav a{display:inline-flex;align-items:center;gap:7px;color:var(--muted);text-decoration:none;font-weight:600;font-size:.95rem;padding:8px 13px;border-radius:999px;transition:background .18s ease,color .18s ease}
.nav a:hover{color:var(--ink);background:var(--surface)}
.nav a.active,.nav a[aria-current="page"]{color:var(--ink);background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}
.nav .ic{flex:none}
.dd{position:relative}
.dd-btn{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-weight:600;font-size:.95rem;padding:8px 13px;border-radius:999px;border:0;background:transparent;cursor:pointer;font-family:inherit;transition:background .18s ease,color .18s ease}
.dd-btn:hover{color:var(--ink);background:var(--surface)}
.dd-btn.active{color:var(--ink);background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}
.dd-btn .ic{transition:transform .18s ease}
.dd[data-open="true"] .dd-btn .ic{transform:rotate(180deg)}
.dd-menu{position:absolute;top:calc(100% + 6px);left:0;min-width:180px;list-style:none;margin:0;padding:6px;background:var(--bg);border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px rgba(0,0,0,.14);display:none;z-index:70}
.dd[data-open="true"] .dd-menu,.dd:hover .dd-menu,.dd:focus-within .dd-menu{display:block}
.dd-menu a{display:flex;align-items:center;min-height:44px;padding:10px 14px;color:var(--muted);text-decoration:none;font-weight:600;font-size:.95rem;border-radius:8px}
.dd-menu a:hover{color:var(--ink);background:var(--surface)}
.dd-menu a.active,.dd-menu a[aria-current="page"]{color:var(--ink);background:var(--surface)}
@media(max-width:720px){.site-header .wrap{flex-wrap:wrap;row-gap:8px}.nav{flex-wrap:wrap;row-gap:4px}.nav a,.nav .dd-btn{padding:10px 13px;font-size:.87rem;min-height:44px}}
/* ---------- hero (home) ---------- */
.hero-home{background:#0B0B0C;color:#fff;position:relative;overflow:hidden;min-height:620px;display:flex;align-items:center}
.hero-home::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(ellipse 90% 85% at 50% 40%,#000 30%,transparent 75%);
  mask-image:radial-gradient(ellipse 90% 85% at 50% 40%,#000 30%,transparent 75%)}
.hero-home::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 70% 60% at 78% 30%,rgba(255,128,0,.14),transparent 65%)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;width:100%;padding:110px 0 96px}
.hero-home h1{font-size:clamp(2.6rem,5.4vw,4.2rem);margin:0 0 18px;color:#fff}
.hero-home h1 .o{color:var(--orange)}
.hero-sub{font-size:1.18rem;color:rgba(255,255,255,.82);max-width:34rem;margin:0 0 30px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.trust{display:flex;align-items:center;gap:12px;flex-wrap:wrap;color:rgba(255,255,255,.78);font-size:.95rem;margin:0}
.trust strong{color:#fff;font-family:var(--font-m);font-size:1.05rem}
.trust .sep{opacity:.4}
.trust .ic{color:var(--orange)}
.hero-art{display:flex;justify-content:center}
.hero-fig{width:100%;max-width:560px;margin:0}
.hero-fig svg{width:100%;height:auto;display:block}
.hero-cap{color:rgba(255,255,255,.55);font-size:.85rem;text-align:center;margin-top:10px}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;padding:84px 0 70px}.hero-home{min-height:0}}
/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-b);font-weight:700;font-size:1rem;padding:13px 26px;border-radius:12px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--orange);color:#0B0B0C}
.btn-primary:hover{background:#ff8f1f;color:#0B0B0C;box-shadow:0 8px 22px rgba(255,128,0,.35);text-decoration:none}
.btn-light{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-light:hover{background:rgba(255,255,255,.18);color:#fff;text-decoration:none}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--card);box-shadow:var(--shadow)}
.btn-sm{padding:9px 16px;font-size:.9rem;border-radius:10px}
/* ---------- sections / cards ---------- */
.kicker{font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
h2.sect{font-size:clamp(1.7rem,3vw,2.3rem);margin:0 0 14px}
.cards{display:grid;gap:18px}
.cards.four{grid-template-columns:repeat(4,1fr)}
.cards.two{grid-template-columns:repeat(2,1fr)}
.cards.three{grid-template-columns:repeat(3,1fr)}
@media(max-width:1000px){.cards.four{grid-template-columns:repeat(2,1fr)}.cards.three{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.cards.two,.cards.three{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:10px;color:var(--ink);text-decoration:none;transition:transform .28s ease,box-shadow .28s ease}
a.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);text-decoration:none}
.card h3{margin:0;font-size:1.18rem}
.card p{margin:0;color:var(--muted);font-size:.96rem;flex:1}
.card .go{font-weight:700;color:var(--accent);font-size:.95rem}
.sec-ic{width:46px;height:46px;border-radius:13px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:6px}
.sec-finance .sec-ic{background:var(--tint-finance);color:#B35A00}
.sec-tools .sec-ic{background:var(--tint-tools);color:#2563EB}
.sec-templates .sec-ic{background:var(--tint-templates);color:#7C3AED}
.sec-shop .sec-ic{background:var(--tint-shop);color:#047857}
@media (prefers-color-scheme: dark){
  .sec-finance .sec-ic{color:#FF9E33}.sec-tools .sec-ic{color:#7FB0FF}
  .sec-templates .sec-ic{color:#B79CFF}.sec-shop .sec-ic{color:#5BD8A4}
}
.tag{align-self:flex-start;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);background:var(--orange-soft);border-radius:999px;padding:4px 11px}
.thumb{border:1px solid var(--line);border-radius:10px;background:var(--surface);overflow:hidden;margin:2px 0 4px}
.thumb svg{display:block;width:100%;height:auto}
.card:hover .thumb .draw{animation:redraw .38s ease-out}
@keyframes redraw{from{stroke-dashoffset:420}to{stroke-dashoffset:0}}
.thumb .draw{stroke-dasharray:420;stroke-dashoffset:0}
/* ---------- guides ---------- */
.gcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;color:var(--ink);text-decoration:none;transition:transform .28s ease,box-shadow .28s ease}
a.gcard:hover{transform:translateY(-5px);box-shadow:var(--shadow);text-decoration:none}
.gcard .ill svg{display:block;width:100%;height:auto}
.gcard .gbody{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.gmeta{font-size:.83rem;color:var(--muted);margin:0;display:flex;gap:8px;align-items:center}
.gcard h3{margin:0;font-size:1.15rem}
.gcard p{margin:0;color:var(--muted);font-size:.94rem;flex:1}
/* ---------- newsletter band ---------- */
.newsband{background:#0B0B0C;color:#fff;padding:76px 0;position:relative;overflow:hidden}
.newsband::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:radial-gradient(ellipse 80% 90% at 50% 50%,#000 20%,transparent 80%);mask-image:radial-gradient(ellipse 80% 90% at 50% 50%,#000 20%,transparent 80%)}
.nb-grid{position:relative;z-index:1;display:grid;grid-template-columns:300px 1fr;gap:56px;align-items:center}
@media(max-width:860px){.nb-grid{grid-template-columns:1fr;gap:32px}}
.mock-sheet{background:#fff;border-radius:10px;padding:0;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.5);transform:rotate(-2deg);color:#0B0B0C}
.mock-sheet .ms-bar{background:var(--orange);height:34px;display:flex;align-items:center;padding:0 14px;font-family:var(--font-d);font-weight:700;font-size:.8rem;color:#0B0B0C}
.mock-sheet .ms-body{padding:14px 16px;display:flex;flex-direction:column;gap:9px}
.mock-sheet .ms-line{height:8px;border-radius:4px;background:#E9E9EC}
.mock-sheet .ms-formula{background:#F4F4F6;border-radius:6px;padding:8px 10px;font-family:var(--font-m);font-size:.72rem;color:#0B0B0C}
.newsband h2{color:#fff;margin:0 0 12px;font-size:clamp(1.6rem,2.8vw,2.1rem)}
.newsband p{color:rgba(255,255,255,.78);max-width:36rem}
.emailrow{display:flex;gap:10px;margin-top:20px;max-width:34rem}
.emailrow input[type=email]{flex:1;min-width:0;padding:13px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;font-size:1rem;font-family:var(--font-b)}
.emailrow input[type=email]::placeholder{color:rgba(255,255,255,.5)}
.emailrow input[type=email]:focus{border-color:var(--orange);outline:none}
@media(max-width:520px){.emailrow{flex-direction:column}}
.nb-note{font-size:.82rem;color:rgba(255,255,255,.5);margin-top:12px}
/* ---------- email box (other pages) ---------- */
.emailbox{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;margin-top:44px;display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:start}
.emailbox .sec-ic{margin:0}
.emailbox h3{margin:0 0 6px;font-size:1.25rem}
.emailbox p{margin:0 0 14px;color:var(--muted)}
.emailbox .emailrow{margin-top:0}
.emailbox .emailrow input[type=email]{background:var(--surface);border-color:var(--line);color:var(--ink)}
.emailbox .emailrow input[type=email]::placeholder{color:var(--muted)}
.cform{max-width:34rem;margin-top:8px}
.cform input[type=text],.cform input[type=email],.cform textarea{width:100%;padding:12px 14px;font-size:1rem;font-family:var(--font-b);border:1.5px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);box-sizing:border-box}
.cform textarea{resize:vertical;min-height:140px}
.cform input[type=text]:focus,.cform input[type=email]:focus,.cform textarea:focus{border-color:var(--orange);outline:none}
.dca-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;margin-top:8px}
.dca-grid label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;font-weight:600;color:var(--muted)}
.dca-grid input{padding:10px 8px;font-size:.95rem;font-family:var(--font-b);font-variant-numeric:tabular-nums;border:1.5px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);width:100%;box-sizing:border-box}
.dca-grid input:focus{border-color:var(--orange);outline:none}
@media(max-width:640px){.dca-grid{grid-template-columns:repeat(4,1fr)}}
.fhint{font-size:.85rem;color:var(--muted);margin-top:10px}
.tablewrap{overflow-x:auto;margin:18px 0}
table.dtable{width:100%;border-collapse:collapse;font-size:.92rem;font-variant-numeric:tabular-nums}
table.dtable th,table.dtable td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
table.dtable th{font-weight:700;color:var(--muted);font-size:.82rem;text-transform:uppercase;letter-spacing:.04em}
pre.code{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px 16px;font-size:.88rem;overflow-x:auto;margin:12px 0}
input[type=date]{padding:11px 12px;font-size:1rem;font-family:var(--font-b);border:1.5px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);color-scheme:light dark}
input[type=date]:focus{border-color:var(--orange);outline:none}
/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start}
@media(max-width:860px){.about-grid{grid-template-columns:1fr;gap:36px}}
.photo-frame{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:18px;text-align:center}
.photo-frame img{width:100%;max-width:260px;height:auto;border-radius:calc(var(--radius) - 6px);display:block;margin:0 auto}
.monogram{width:150px;height:150px;margin:0 auto;border-radius:50%;background:#0B0B0C;color:var(--orange);display:flex;align-items:center;justify-content:center;font-family:var(--font-d);font-weight:700;font-size:3.2rem;letter-spacing:.02em;border:3px solid var(--orange)}
.photo-cap{font-size:.83rem;color:var(--muted);margin:14px 0 0}
.about-side h2{margin:26px 0 10px;font-size:1.5rem}
.creds{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;color:var(--muted);font-size:.96rem}
.creds li{display:flex;gap:10px;align-items:flex-start}
.creds .ic{color:var(--accent);flex:none;margin-top:4px}
.method-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
@media(max-width:860px){.method-strip{grid-template-columns:1fr}}
.mstep{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:12px}
.mstep .n{font-family:var(--font-d);font-weight:700;color:var(--accent);font-size:.85rem;letter-spacing:.1em}
.mstep h3{margin:0;font-size:1.12rem}
.mock{border:1px dashed var(--line);border-radius:10px;background:var(--surface);padding:14px 16px;font-size:.88rem}
.mock .mock-t{font-weight:700;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 8px}
.mock ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px}
.mock p{margin:0}
.ann{font-size:.83rem;color:var(--muted);border-left:3px solid var(--orange);padding-left:12px;margin:0}
/* ---------- tool pages ---------- */
.breadcrumb{font-size:.88rem;color:var(--muted);margin:0 0 14px}
.breadcrumb a{color:var(--muted)}
.tool-h1{font-size:clamp(1.9rem,3.6vw,2.6rem);margin:0 0 10px;max-width:46rem}
.lede{font-size:1.12rem;color:var(--muted);max-width:46rem;margin:0 0 30px}
.tool-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:30px;align-items:start;margin-top:6px}
@media(max-width:920px){.tool-grid{grid-template-columns:1fr}}
.inputs{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.results-col{position:sticky;top:86px;display:flex;flex-direction:column;gap:16px;min-width:0}
@media(max-width:920px){.results-col{position:static}}
.result{background:#0B0B0C;color:#fff;border-radius:var(--radius);padding:28px}
.result .num{font-family:var(--font-m);font-variant-numeric:tabular-nums;font-size:clamp(1.9rem,3.4vw,2.6rem);font-weight:700;color:#fff;line-height:1.25;overflow-wrap:anywhere}
.result .num small{font-size:.95rem;font-family:var(--font-b);font-weight:600;color:rgba(255,255,255,.65)}
.result .rsub{margin-top:10px;color:rgba(255,255,255,.72);font-size:.95rem}
.result .rsub b{color:#fff}
.result-actions{display:flex;gap:10px;flex-wrap:wrap}
.chartbox{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.chartbox svg{display:block;width:100%;height:auto}
.chartbox figcaption{font-size:.85rem;color:var(--muted);margin-top:10px}
.interp{background:var(--surface);border-left:4px solid var(--orange);border-radius:0 12px 12px 0;padding:18px 22px;font-size:1rem}
.interp:empty{display:none}
.warn{background:#FFF7E8;border:1px solid #F3D9A8;border-left:4px solid var(--orange);border-radius:0 12px 12px 0;padding:14px 18px;margin-top:14px;font-size:.95rem;color:#0B0B0C}
@media (prefers-color-scheme: dark){.warn{background:rgba(255,128,0,.10);border-color:rgba(255,128,0,.35);color:var(--ink)}}
.field{margin-bottom:20px}
.field label,.flabel{display:block;font-weight:600;font-size:.94rem;margin-bottom:8px}
.fval{font-family:var(--font-m);color:var(--accent);margin-left:6px}
.inrow{display:flex;gap:14px;align-items:center}
.inrow input[type=number]{width:110px;flex:none;padding:11px 12px;font-size:1rem;font-family:var(--font-b);font-variant-numeric:tabular-nums;border:1.5px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink)}
.inrow input[type=number]:focus{border-color:var(--orange);outline:none}
input[type=range]{-webkit-appearance:none;appearance:none;flex:1;min-width:0;height:28px;background:transparent;cursor:pointer;margin:0}
input[type=range]::-webkit-slider-runnable-track{height:6px;border-radius:999px;background:var(--line)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:22px;height:22px;border-radius:50%;background:var(--orange);margin-top:-8px;border:3px solid #fff;box-shadow:0 1px 5px rgba(0,0,0,.3)}
input[type=range]::-moz-range-track{height:6px;border-radius:999px;background:var(--line)}
input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--orange);border:3px solid #fff;box-shadow:0 1px 5px rgba(0,0,0,.3)}
input[type=range]:focus-visible{outline:2.5px solid var(--orange);outline-offset:4px}
.field select{padding:11px 12px;font-size:1rem;border:1.5px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font-family:var(--font-b);max-width:100%}
.checkline{display:flex;gap:10px;align-items:flex-start;font-weight:400;cursor:pointer}
.checkline input{width:20px;height:20px;margin-top:2px;accent-color:var(--orange);flex:none}
.seg{display:inline-flex;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px;gap:2px;max-width:100%;flex-wrap:wrap}
.seg button{border:0;background:transparent;padding:9px 18px;border-radius:999px;font-family:var(--font-b);font-weight:600;font-size:.95rem;color:var(--muted);cursor:pointer;transition:background .16s ease,color .16s ease}
.seg button:hover{color:var(--ink)}
.seg button.on{background:var(--ink);color:var(--bg)}
.assume{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;margin-top:34px;max-width:60rem}
.assume .t{display:block;font-family:var(--font-d);font-size:1.05rem;margin-bottom:12px}
.assume ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.assume li{display:flex;gap:12px;align-items:flex-start;font-size:.95rem}
.dot{flex:none;width:11px;height:11px;border-radius:50%;margin-top:7px}
.dot.g{background:#1B9E57}.dot.a{background:#D97706}.dot.r{background:#DC2626}
.guide-link{margin-top:26px}
/* ---------- tools hub ---------- */
.chips{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0 26px}
.chip{border:1.5px solid var(--line);background:var(--card);color:var(--muted);font-family:var(--font-b);font-weight:600;font-size:.92rem;padding:9px 20px;border-radius:999px;cursor:pointer;transition:all .16s ease}
.chip:hover{border-color:var(--muted);color:var(--ink)}
.chip.on{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.tool-card.hide{display:none}
/* ---------- guides / articles ---------- */
.article{max-width:46rem}
.article h2{font-size:1.6rem;margin:38px 0 12px}
.article p{margin:0 0 16px}
.gmeta{font-size:.9rem;color:var(--muted);margin:0 0 6px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.gill{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin:22px 0 8px;background:var(--surface)}
.gill svg{display:block;width:100%;height:auto}
.gill figcaption{font-size:.85rem;color:var(--muted);padding:10px 18px;border-top:1px solid var(--line)}
/* ---------- page hero (section indexes) ---------- */
.hero.page{background:#0B0B0C;color:#fff;padding:64px 0;position:relative;overflow:hidden}
.hero.page::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:radial-gradient(ellipse 80% 90% at 50% 20%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 80% 90% at 50% 20%,#000 20%,transparent 75%)}
.hero.page .wrap{position:relative;z-index:1}
.hero.page h1{color:#fff;margin:0 0 10px;font-size:clamp(2rem,4vw,2.8rem)}
.hero.page p{color:rgba(255,255,255,.75);margin:0;max-width:40rem;font-size:1.1rem}
/* ---------- misc ---------- */
.product{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;margin:26px 0;max-width:46rem}
.price{font-family:var(--font-m);font-size:2rem;font-weight:700;color:var(--accent)}
.product ul{margin:12px 0 18px;padding-left:22px}
.product li{margin-bottom:8px}
canvas.chart{width:100%;max-width:640px}
/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .32s ease,transform .32s ease;transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}
/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);margin-top:40px;padding:38px 0 46px;color:var(--muted);font-size:.9rem}
.site-footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.site-footer nav{display:flex;gap:20px;flex-wrap:wrap}
.site-footer a{color:var(--muted)}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  .card:hover,.gcard:hover,a.card:hover{transform:none}
}