:root{
  --bg:#fafbfc;--paper:#fff;--paper-2:#f3f7fb;--ink:#1f2937;--muted:#64748b;--line:#dbe5ee;
  --teal:#0f766e;--teal-2:#0d9488;--blue:#1e40af;--emerald:#10b981;--gold:#d4af37;
  --shadow:0 18px 60px rgba(15,35,60,.10);--radius:18px;--max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:var(--teal);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-wrap{max-width:var(--max);margin:0 auto;padding:14px 22px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:21px;letter-spacing:-.04em}
.brand:hover{text-decoration:none}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--teal),var(--blue));color:#fff;font-size:15px;letter-spacing:-.05em}
.main-nav{display:flex;gap:4px;align-items:center;overflow-x:auto;padding-bottom:2px}
.main-nav a{white-space:nowrap;color:#334155;font-weight:700;font-size:14px;padding:8px 11px;border-radius:999px}
.main-nav a:hover,.main-nav a.on{background:#e6f4f2;color:var(--teal);text-decoration:none}
.hero{background:radial-gradient(circle at 85% 10%,rgba(15,118,110,.16),transparent 28rem),linear-gradient(180deg,#fff 0%,#f1f8f7 100%);border-bottom:1px solid var(--line)}
.hero-grid{max-width:var(--max);margin:0 auto;padding:72px 22px 56px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:42px;align-items:center}
h1{font-size:clamp(42px,6vw,72px);line-height:.96;letter-spacing:-.07em;margin:0 0 18px;color:#111827}
h2{font-size:clamp(30px,4vw,46px);line-height:1.05;letter-spacing:-.055em;margin:0 0 12px;color:#111827}
h3{font-size:21px;line-height:1.2;letter-spacing:-.03em;margin:0 0 8px}
.lead{font-size:19px;color:#475569;max-width:720px;margin:0 0 28px}
.hero .lead{font-size:21px}
.hero-actions,.row-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 20px;border-radius:12px;font-weight:800;border:1px solid transparent}
.btn.primary{background:var(--teal);color:#fff;box-shadow:0 14px 30px rgba(15,118,110,.22)}
.btn.primary:hover{background:#115e59;text-decoration:none}
.btn.secondary{background:#fff;color:#0f172a;border-color:var(--line)}
.btn.secondary:hover{border-color:var(--teal);color:var(--teal);text-decoration:none}
.hero-panel{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:22px}
.score-card{background:linear-gradient(135deg,#0f766e,#1e40af);color:#fff;border-radius:22px;padding:26px;min-height:300px;display:grid;gap:16px}
.score-card h2{color:#fff;font-size:30px}.meter{height:13px;background:rgba(255,255,255,.22);border-radius:999px;overflow:hidden}.meter span{display:block;height:100%;width:72%;background:linear-gradient(90deg,#10b981,#d4af37);border-radius:999px}
.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mini{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.20);border-radius:14px;padding:13px}.mini b{display:block;font-size:18px}
.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px}.trust{background:#fff;border:1px solid var(--line);border-radius:14px;padding:15px}.trust b{display:block;color:#0f172a}.trust span{display:block;color:var(--muted);font-size:13px}
section{padding:66px 0}.section-soft{background:#fff;border-block:1px solid var(--line)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:22px;margin-bottom:28px}.section-head p{margin:0;color:var(--muted);max-width:620px}
.eyebrow{margin:0 0 9px;color:var(--teal);font-weight:900;letter-spacing:.16em;text-transform:uppercase;font-size:12px}
.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 10px 28px rgba(15,35,60,.05)}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px);transition:.18s ease}.card p{margin:0;color:var(--muted)}
.icon{width:42px;height:42px;border-radius:12px;background:#e6f4f2;color:var(--teal);display:grid;place-items:center;font-weight:900;margin-bottom:13px}
.pill{display:inline-flex;align-items:center;gap:7px;border-radius:999px;background:#ecfdf5;color:#047857;padding:6px 10px;font-weight:800;font-size:12px}
.article{max-width:850px;margin:0 auto;padding:56px 22px}.article h1{font-size:clamp(34px,5vw,56px)}.article .sub{font-size:20px;color:var(--muted);margin:0 0 28px}
.article h2{font-size:31px;margin-top:42px}.article h3{margin-top:24px}.article p,.article li{font-size:17px;color:#334155}
.toc,.callout,.note{border-radius:16px;padding:18px 20px;margin:22px 0}.toc{background:#fff;border:1px solid var(--line)}.toc a{display:block;padding:5px 0}.callout{background:#e6f4f2;border:1px solid #b7e4df}.note{background:#fffbeb;border:1px solid #f3d88a;color:#5f470b}
.letterbox{background:#0f172a;color:#e5eef8;border-radius:16px;padding:24px;white-space:pre-wrap;overflow:auto;font:14px/1.65 ui-monospace,SFMono-Regular,Menlo,monospace}
.steps{counter-reset:s;list-style:none;padding:0}.steps li{counter-increment:s;position:relative;padding:8px 0 8px 42px}.steps li:before{content:counter(s);position:absolute;left:0;top:7px;width:29px;height:29px;border-radius:50%;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:900;font-size:13px}
.tool-shell{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:24px;margin-top:24px}
.tool-form{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field label{display:block;font-size:13px;font-weight:800;color:#475569;margin-bottom:6px}.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 13px;font:inherit;background:#fff;color:var(--ink)}
input[type=range]{width:100%}.results{margin-top:22px;overflow-x:auto;-webkit-overflow-scrolling:touch}.results table{width:100%;min-width:560px;border-collapse:collapse}.results th,.results td{padding:12px;border-bottom:1px solid var(--line);text-align:left}.results th{color:#334155;background:#f8fafc}.gain{color:#047857;font-weight:900}.loss{color:#b91c1c;font-weight:900}
.faq dt{font-weight:900;margin:20px 0 5px}.faq dd{margin:0;color:#475569}
.source-list{display:grid;gap:10px}.source-list a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px 15px;font-weight:800}
.app-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:24px;align-items:start}.app-panel{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:22px}.app-panel h3{margin:0 0 10px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.field.full{grid-column:1/-1}.field select{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 13px;font:inherit;background:#fff;color:var(--ink)}.checkline{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:#475569}.checkline input{width:auto;margin-top:3px}.status{margin-top:12px;font-weight:800;color:var(--teal)}.status.bad{color:#b91c1c}.hide{display:none!important}.doc-list{display:grid;gap:10px}.doc-item{border:1px solid var(--line);border-radius:14px;padding:12px;background:#f8fafc;display:flex;justify-content:space-between;gap:12px}.admin-table{width:100%;border-collapse:collapse;font-size:14px}.admin-table th,.admin-table td{padding:10px;border-bottom:1px solid var(--line);text-align:left}.admin-table th{background:#f8fafc;color:#334155}
.site-footer{background:#0f172a;color:#cbd5e1;padding:48px 0 28px;margin-top:30px}.site-footer a{color:#dff7f3}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}.site-footer h4{color:#fff;margin:0 0 10px}.site-footer a{display:block;padding:4px 0}.footer-brand{color:#fff}.disclaimer{border-top:1px solid #243244;margin-top:28px;padding-top:18px;font-size:12px;color:#94a3b8}.small{font-size:13px;color:#94a3b8}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;padding-top:46px}.grid-4,.grid-3,.grid-2,.footer-grid,.tool-form,.trust-strip,.app-grid,.form-grid{grid-template-columns:1fr}.section-head{display:block}.main-nav{width:100%;order:2;flex-wrap:wrap;overflow:visible;gap:6px}.main-nav a{padding:7px 9px;font-size:13px}.main-nav a:nth-child(n+6){display:none}.nav-wrap{flex-wrap:wrap;justify-content:flex-start}.hero .lead{font-size:18px}}