/* FloosIQ: midnight navy band, desert gold accent, compact calculator cards; ad slots have reserved heights */
:root{
  --bg:#f5f6f8; --surface:#ffffff; --ink:#14202f; --muted:#5d6878; --line:#e1e5eb; --soft:#eef1f5;
  --hero:#10213a; --hero2:#1e3a63; --hero-ink:#f4f6fa;
  --accent:#c98a1a; --accent-ink:#ffffff; --gold:#e0a83e; --cool:#2463c7;
  --ok:#15803d; --bad:#b45309; --adbg:#eceff3;
  --page-w:1080px;
  --display:"Manrope","Inter",ui-sans-serif,system-ui,sans-serif;
  --body:"Inter",ui-sans-serif,system-ui,sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0b1422; --surface:#121e30; --ink:#e8edf4; --muted:#9aa6b8; --line:#23324a; --soft:#1a2840;
  --hero:#08111f; --hero2:#16304f; --accent:#e9ad45; --accent-ink:#0b1422; --gold:#f0bd5c; --cool:#7fb0ff;
  --ok:#4ade80; --bad:#fbbf24; --adbg:#152238; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0b1422; --surface:#121e30; --ink:#e8edf4; --muted:#9aa6b8; --line:#23324a; --soft:#1a2840;
  --hero:#08111f; --hero2:#16304f; --accent:#e9ad45; --accent-ink:#0b1422; --gold:#f0bd5c; --cool:#7fb0ff;
  --ok:#4ade80; --bad:#fbbf24; --adbg:#152238; color-scheme:dark}
:root[data-width="wide"]{--page-w:1340px}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:16px/1.55 var(--body)}
a{color:var(--cool)}
h1,h2,h3,h4{font-family:var(--display);letter-spacing:-.02em;line-height:1.2}
.in{max-width:var(--page-w);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* Masthead */
.mast{background:radial-gradient(110% 150% at 90% 0%,var(--hero2) 0%,var(--hero) 60%);color:var(--hero-ink);padding-block:12px 64px}
.mast.slim{padding-block:12px 52px}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px}
.logo{font:800 20px/1 var(--display);color:inherit;text-decoration:none;letter-spacing:-.02em;display:flex;align-items:center;gap:9px;white-space:nowrap}
.logo svg{flex:none}
.logo span{color:var(--gold);margin-left:-9px}
.tools{display:flex;align-items:center;gap:4px}
.tools nav{display:flex;gap:16px;font-size:14px;margin-right:10px}
.tools nav a{color:inherit;opacity:.75;text-decoration:none;white-space:nowrap}
.tools nav a:hover,.tools nav a[aria-current]{opacity:1}
.tools nav a[aria-current]{box-shadow:inset 0 -2px var(--gold)}
.tb-ico{display:grid;place-items:center;width:34px;height:34px;border-radius:8px;border:1px solid transparent;background:transparent;color:inherit;opacity:.8;cursor:pointer}
.tb-ico:hover{opacity:1;border-color:rgba(255,255,255,.3)}
.tb-ico.on{opacity:1;border-color:rgba(255,255,255,.45)}
.mast h1{font-size:clamp(26px,4vw,40px);font-weight:800;margin:8px 0 6px;text-wrap:balance}
.mast .lede{margin:0;opacity:.8;font-size:16px;max-width:820px}
.mast .eyebrow{display:inline-flex;margin:26px 0 0;font:600 12px var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--gold)}
@media (max-width:980px){.tools nav{display:none}}

main.in{display:grid;gap:20px;padding-block:0 48px;margin-top:-40px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px}
.guide h2{font-size:22px;margin:0 0 8px}
.guide h3{font-size:17px;margin:16px 0 4px}
.guide ul,.guide ol{padding-left:20px}
.guide li{margin:3px 0}
.guide p{margin:6px 0}
.page h1{font-size:28px;margin:0 0 10px}
.src{font-size:13px;color:var(--muted)}
.btn{font:600 15px var(--body);background:var(--accent);color:var(--accent-ink);border:0;border-radius:10px;padding:11px 20px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:8px;white-space:nowrap}

/* Calculator: form left, result right */
.calc-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 40px -30px rgba(16,33,58,.6);overflow:hidden}
.calc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 14px;padding:20px;align-content:start}
.fld{display:grid;gap:4px;font-size:13.5px;font-weight:500;align-content:start}
.fld>span{color:var(--muted)}
.fld small{font-size:12px;color:var(--muted);font-weight:400;line-height:1.35}
.fld.chk{grid-column:1/-1;display:flex;align-items:center;gap:8px;font-weight:500;color:var(--ink);cursor:pointer}
.fld.chk input{width:17px;height:17px;accent-color:var(--accent)}
.calc input:not([type=checkbox]),.calc select{width:100%;font:500 15px var(--body);color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:9px 10px;min-width:0}
.calc select{padding-right:6px}
.unit{display:flex;align-items:stretch;background:var(--bg);border:1px solid var(--line);border-radius:9px;overflow:hidden}
.unit:focus-within{outline:2px solid var(--accent);outline-offset:1px}
.unit input{border:0!important;border-radius:0!important;background:transparent!important;outline:none}
.unit em{font:600 12.5px var(--body);font-style:normal;color:var(--muted);display:grid;place-items:center;padding:0 9px;background:var(--soft);white-space:nowrap}
.out{padding:20px;background:linear-gradient(160deg,color-mix(in srgb,var(--gold) 9%,var(--surface)),var(--surface) 55%);border-left:1px solid var(--line);display:grid;gap:12px;align-content:start}
.big{display:grid;gap:2px}
.big span{font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.big b{font:800 clamp(30px,4.2vw,40px)/1.1 var(--display);letter-spacing:-.02em;color:var(--ink)}
.big small{font-size:14px;color:var(--muted)}
.bd{width:100%;border-collapse:collapse;font-size:14px}
.bd td{padding:6px 0;border-bottom:1px solid var(--line);vertical-align:top}
.bd td:last-child{text-align:right;font-weight:600;padding-left:12px;white-space:nowrap}
.bd tr.sum td{font-weight:700;border-bottom:0;padding-top:8px}
.bd tr.sum td:last-child{color:var(--accent)}
.bd tr.hl td:last-child{color:var(--cool)}
.out h4{margin:6px 0 -4px;font-size:15px}
.rnote{margin:0;font-size:13.5px;color:var(--muted);line-height:1.45}
.rnote.warn{color:var(--bad);font-weight:500}
.rnote.hl{color:var(--ink);font-weight:600}
.meter{position:relative;height:12px;border-radius:6px;background:linear-gradient(90deg,#c9d3e0 0%,#9db4d6 50%,var(--gold) 90%,var(--accent) 100%)}
.meter i{position:absolute;top:-5px;width:4px;height:22px;margin-left:-2px;border-radius:2px;background:var(--ink)}
.meter-l{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:-6px}
@media (max-width:860px){.calc-wrap{grid-template-columns:minmax(0,1fr)}.out{border-left:0;border-top:1px solid var(--line)}}
@media (max-width:440px){.calc{grid-template-columns:1fr}}

/* Content */
.tbl{border-collapse:collapse;font-size:14px;margin:8px 0;width:100%;max-width:560px}
.tbl th,.tbl td{border-bottom:1px solid var(--line);padding:6px 8px;text-align:left}
.tbl th{font-family:var(--display)}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px;margin-top:10px}
.tiles a{display:grid;gap:2px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;text-decoration:none;color:var(--ink);background:var(--bg)}
.tiles a:hover{border-color:var(--accent)}
.tiles b{font-family:var(--display);font-size:15px}
.tiles span{font-size:13px;color:var(--muted)}
.facts{display:grid;gap:12px;margin:0;padding-left:22px}
.facts li p{margin:0;font-weight:500}
.cta{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cta h2{margin:0 0 4px;font-size:21px}
.cta p{margin:0;color:var(--muted)}
.partner{display:flex;gap:12px;align-items:baseline;padding:14px 18px}
.partner p{margin:0;font-size:14.5px}
.partner .tag{font:700 11px var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:2px 6px}
.ad{background:var(--adbg);border-radius:12px;display:grid;place-items:center;color:var(--muted);font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.ad.leader{min-height:120px}
.disclaimer{font-size:13px;color:var(--muted);margin:0}
.guides{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13.5px;align-items:baseline}
.guides b{font-family:var(--display);margin-right:4px}
.guides a{color:var(--muted)}
footer{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px}
footer a{color:var(--muted)}

/* Did you know? */
.dyk{display:grid;grid-template-columns:auto 1fr auto;gap:4px 14px;align-items:center;background:linear-gradient(110deg,color-mix(in srgb,var(--gold) 18%,var(--surface)),var(--surface) 70%)}
.dyk-h{font:800 13px var(--display);letter-spacing:.06em;text-transform:uppercase;color:color-mix(in srgb,var(--gold) 60%,var(--ink));grid-row:span 2}
.dyk p{margin:0;font-size:15px;font-weight:500}
.dyk .src{font-size:12px;grid-column:2}
.dyk-more{grid-row:1 / span 2;grid-column:3;font:600 13px var(--body);background:none;border:1px solid var(--line);border-radius:20px;padding:6px 12px;cursor:pointer;color:var(--ink);white-space:nowrap}
@media (max-width:640px){.dyk{grid-template-columns:1fr}.dyk-h,.dyk .src,.dyk-more{grid-row:auto;grid-column:auto}.dyk-more{justify-self:start}}