:root{
  --ink:#0E2E33; --ink-2:#12393F; --paper:#EDF0EE; --card:#FBFBF8;
  --line:#D5DBD8; --gold:#E8A33D; --green:#2FA36B; --amber:#E2B23A;
  --coral:#E06A5A; --muted:#465650; --ink-soft:rgba(255,255,255,.72);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:var(--paper);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}
.narrow{max-width:760px;margin:0 auto;padding:0 22px}
.mono{font-family:'JetBrains Mono',monospace;font-variant-numeric:tabular-nums}
.disp{font-family:'Space Grotesk',sans-serif}
a{color:var(--ink)}

/* nav */
.nav{background:var(--ink);color:#fff;position:sticky;top:0;z-index:50}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk';font-weight:700;font-size:1.1rem;color:#fff;text-decoration:none}
.brand .dot{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,var(--gold),#f0c274);display:grid;place-items:center;color:var(--ink)}
.nav-links{display:flex;gap:24px;font-size:.92rem}
.nav-links a{color:var(--ink-soft);text-decoration:none}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:1.4rem;cursor:pointer}

/* ad slots */
.ad{border:1.5px dashed #B9C2BE;border-radius:10px;background:repeating-linear-gradient(45deg,transparent,transparent 10px,rgba(14,46,51,.03) 10px,rgba(14,46,51,.03) 20px);color:var(--muted);text-align:center;padding:16px;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;font-family:'JetBrains Mono',monospace;margin:26px 0}
.ad small{display:block;opacity:.65;margin-top:3px;letter-spacing:.05em;text-transform:none}

/* hero */
header.hero{background:radial-gradient(120% 140% at 85% -10%, #17454C 0%, var(--ink) 55%);color:#fff;padding:54px 0 60px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.eyebrow{font-family:'JetBrains Mono';font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
h1.head{font-family:'Space Grotesk';font-weight:700;font-size:clamp(2.1rem,5vw,3.3rem);line-height:1.03;letter-spacing:-.02em}
h1.head em{font-style:normal;color:var(--gold)}
.sub{color:var(--ink-soft);font-size:1.05rem;margin-top:16px;max-width:36ch}
.hero-cta{margin-top:24px;display:flex;gap:12px;flex-wrap:wrap}
.btn{font-family:'Space Grotesk';font-weight:600;font-size:.95rem;border:none;border-radius:9px;padding:13px 22px;cursor:pointer;text-decoration:none;display:inline-block;transition:transform .15s,box-shadow .15s,background .15s}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 10px 24px -10px rgba(232,163,61,.7)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.35)}
.btn-ghost:hover{border-color:#fff}

/* gauge */
.gauge-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:26px 26px 22px;backdrop-filter:blur(6px)}
.gauge-wrap{position:relative;width:100%;max-width:320px;margin:0 auto}
.gauge-num{font-family:'Space Grotesk';font-weight:700;font-size:3.4rem;line-height:1;letter-spacing:-.02em;text-align:center}
.gauge-band{font-family:'JetBrains Mono';font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;margin-top:6px;color:var(--gold);text-align:center}
.gauge-hint{color:var(--ink-soft);font-size:.82rem;text-align:center;margin-top:14px}
.needle{transition:transform 1s cubic-bezier(.34,1.3,.5,1)}

/* sections */
section{padding:52px 0}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.sec-head h2{font-family:'Space Grotesk';font-weight:700;font-size:1.7rem;letter-spacing:-.01em}
.kicker{font-family:'JetBrains Mono';font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}

/* tools */
.tools{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px;display:flex;flex-direction:column;position:relative}
.card .idx{position:absolute;top:22px;right:24px;font-family:'JetBrains Mono';font-size:.72rem;color:var(--muted);letter-spacing:.1em}
.card h3{font-family:'Space Grotesk';font-weight:600;font-size:1.22rem;letter-spacing:-.01em}
.card .tag{color:var(--muted);font-size:.9rem;margin-top:4px;margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:.82rem;font-weight:500;margin-bottom:6px}
.field input,.field select{width:100%;font-family:'JetBrains Mono';font-size:.98rem;padding:11px 13px;border:1.5px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);transition:border-color .15s,box-shadow .15s}
.field input:focus,.field select:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(14,46,51,.1)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.go{margin-top:6px;font-family:'Space Grotesk';font-weight:600;font-size:.95rem;background:var(--ink);color:#fff;border:none;border-radius:9px;padding:12px;cursor:pointer;transition:background .15s}
.go:hover{background:var(--ink-2)}
.out{margin-top:18px;border-top:1px dashed var(--line);padding-top:16px;display:none}
.out.show{display:block}
.out .big{font-family:'Space Grotesk';font-weight:700;font-size:2rem;letter-spacing:-.01em;line-height:1}
.out .big span{font-size:1rem;color:var(--muted);font-weight:500}
.meter{height:10px;border-radius:6px;background:#E4E8E5;overflow:hidden;margin:14px 0 10px}
.meter i{display:block;height:100%;border-radius:6px;transition:width .8s cubic-bezier(.34,1.1,.5,1)}
.verdict{font-size:.92rem;font-weight:500}
.note{font-size:.82rem;color:var(--muted);margin-top:8px}
.stat-row{display:flex;gap:22px;margin-top:10px;flex-wrap:wrap}
.stat-row div{font-size:.86rem;color:var(--muted)}
.stat-row b{display:block;font-family:'JetBrains Mono';font-size:1.15rem;color:var(--ink);font-weight:700}
.err{color:var(--coral);font-size:.88rem;font-weight:500}
.pill{display:inline-block;font-family:'JetBrains Mono';font-size:.72rem;padding:3px 9px;border-radius:20px;font-weight:500;letter-spacing:.03em}

/* factors band */
.factors-sec{background:var(--ink);color:#fff}
.factors-sec h2{color:#fff}
.factors-sec .kicker{color:var(--gold)}
.factors{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.factor{border-top:2px solid var(--gold);padding-top:16px}
.factor .pct{font-family:'Space Grotesk';font-weight:700;font-size:1.7rem}
.factor h4{font-family:'Space Grotesk';font-weight:500;font-size:1rem;margin:6px 0}
.factor p{color:var(--ink-soft);font-size:.85rem;line-height:1.5}

/* guide cards on home */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.guide-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;text-decoration:none;color:var(--ink);transition:transform .15s,box-shadow .15s;display:block}
.guide-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px -12px rgba(14,46,51,.35)}
.guide-card .k{font-family:'JetBrains Mono';font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.guide-card h3{font-family:'Space Grotesk';font-weight:600;font-size:1.2rem;margin:10px 0 8px}
.guide-card p{color:var(--muted);font-size:.9rem}
.guide-card .more{display:inline-block;margin-top:12px;font-weight:600;font-size:.88rem;color:var(--ink)}

/* article pages */
.article{padding:48px 0 20px}
.article .k{font-family:'JetBrains Mono';font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.article h1{font-family:'Space Grotesk';font-weight:700;font-size:clamp(1.9rem,4vw,2.6rem);line-height:1.08;letter-spacing:-.02em;margin:12px 0 8px}
.article .lede{font-size:1.12rem;color:var(--muted);margin-bottom:8px}
.article h2{font-family:'Space Grotesk';font-weight:600;font-size:1.4rem;margin:34px 0 12px;letter-spacing:-.01em}
.article h3{font-family:'Space Grotesk';font-weight:600;font-size:1.1rem;margin:24px 0 8px}
.article p{margin:0 0 16px}
.article ul,.article ol{margin:0 0 16px 22px}
.article li{margin-bottom:8px}
.article .callout{background:#FBF5E6;border:1px solid #EAD9A8;border-radius:12px;padding:18px 20px;margin:22px 0;font-size:.95rem;color:#6f5a1c}
.article .toolref{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:10px;padding:18px 20px;margin:24px 0}
.article .toolref a{font-weight:600}

/* disclaimer banner */
.disclaimer{background:#FBF5E6;border-top:1px solid #EAD9A8;border-bottom:1px solid #EAD9A8;padding:16px 0}
.disclaimer .wrap{display:flex;gap:12px;align-items:flex-start}
.disclaimer .badge{flex:none;font-family:'JetBrains Mono';font-size:.66rem;letter-spacing:.1em;background:var(--gold);color:var(--ink);padding:4px 8px;border-radius:6px;margin-top:2px}
.disclaimer p{font-size:.85rem;color:#7A6320}

/* footer */
footer{background:var(--ink-2);color:var(--ink-soft);padding:40px 0 30px;font-size:.88rem;margin-top:20px}
footer .cols{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:24px}
footer .foot-h{font-family:'Space Grotesk';color:#fff;font-size:.95rem;margin-bottom:10px}
footer a{color:var(--ink-soft);text-decoration:none;display:block;margin-bottom:6px}
footer a:hover{color:#fff}
footer .fine{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;font-size:.8rem;line-height:1.6}

@media(max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:var(--ink);flex-direction:column;gap:0;padding:8px 0}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 22px}
  .nav-toggle{display:block}
  .tools,.guide-grid{grid-template-columns:1fr}
  .factors{grid-template-columns:repeat(2,1fr)}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}