/* vesting.at — Design-System v1.0 */
:root{
  --ink:#101418;
  --ink-2:#3c434b;
  --muted:#6b7280;
  --paper:#f8f8f6;
  --card:#ffffff;
  --line:#e5e5df;
  --line-strong:#d4d4cc;
  --accent:#4f46e5;
  --accent-dark:#4338ca;
  --accent-soft:#eef0fe;
  --accent-line:#c9cdf8;
  --pos:#0d8a5f;
  --pos-soft:#e6f6ef;
  --neg:#c2410c;
  --neg-soft:#fdf0e8;
  --warn-soft:#fdf6e3;
  --hero-ink:#0c0f14;
  --hero-text:#eef0f4;
  --hero-muted:#9aa3b2;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(16,20,24,.05),0 8px 24px -12px rgba(16,20,24,.12);
  --font:ui-sans-serif,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Code",Menlo,Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--paper);color:var(--ink);line-height:1.65;font-size:16.5px}
img,svg{max-width:100%;height:auto}
a{color:var(--accent-dark);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
.wrap-narrow{max-width:760px;margin:0 auto;padding:0 22px}
.wrap-tool{max-width:920px;margin:0 auto;padding:0 22px}

/* ---------- Header ---------- */
.site-header{background:var(--hero-ink);border-bottom:1px solid #1d232c;position:relative;z-index:10}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:62px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.18rem;letter-spacing:-.02em;color:#fff !important;text-decoration:none !important}
.brand-mark{width:26px;height:26px;flex:none}
.brand span{color:#8f8afc}
.main-nav{display:flex;gap:4px;flex-wrap:wrap}
.main-nav a{color:#c8cdd7;font-size:.92rem;font-weight:600;padding:7px 11px;border-radius:8px;text-decoration:none}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.07)}
.main-nav a.active{color:#fff;background:rgba(143,138,252,.16)}
@media(max-width:720px){
  .site-header .wrap{flex-direction:column;align-items:flex-start;padding-top:12px;padding-bottom:12px}
  .main-nav{margin-left:-8px}
}

/* ---------- Hero ---------- */
.hero{background:var(--hero-ink);color:var(--hero-text);padding:64px 0 74px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(560px 300px at 82% -10%,rgba(79,70,229,.32),transparent 65%),
  radial-gradient(420px 260px at 8% 110%,rgba(13,138,95,.18),transparent 60%);pointer-events:none}
.hero .wrap{position:relative}
.hero h1{font-size:clamp(1.9rem,4.6vw,3.1rem);line-height:1.12;letter-spacing:-.03em;font-weight:800;max-width:760px}
.hero h1 em{font-style:normal;color:#a5a0ff}
.hero p.lead{margin-top:18px;font-size:1.13rem;color:var(--hero-muted);max-width:640px}
.hero-cta{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap}
.kicker{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:#8f8afc;margin-bottom:16px}
.hero-facts{margin-top:42px;display:flex;gap:34px;flex-wrap:wrap}
.hero-facts div strong{display:block;font-size:1.45rem;font-weight:800;letter-spacing:-.02em;color:#fff}
.hero-facts div span{font-size:.85rem;color:var(--hero-muted)}

/* ---------- Buttons ---------- */
.btn{display:inline-block;padding:12px 22px;border-radius:11px;font-weight:700;font-size:.98rem;cursor:pointer;border:1px solid transparent;text-decoration:none !important;transition:background .15s,border-color .15s}
.btn-primary{background:var(--accent);color:#fff !important}
.btn-primary:hover{background:var(--accent-dark)}
.btn-ghost{background:transparent;color:#e6e8ee !important;border-color:#39404c}
.btn-ghost:hover{border-color:#5a6270;background:rgba(255,255,255,.05)}
.btn-light{background:var(--accent-soft);color:var(--accent-dark) !important;border-color:var(--accent-line)}
.btn-light:hover{background:#e2e5fd}

/* ---------- Sections ---------- */
section{padding:56px 0}
.section-head{max-width:640px;margin-bottom:34px}
.section-head h2{font-size:clamp(1.5rem,3vw,2.05rem);letter-spacing:-.025em;line-height:1.2}
.section-head p{margin-top:10px;color:var(--muted)}
.eyebrow{display:inline-block;font-size:.76rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--accent-dark);margin-bottom:10px}

/* ---------- Cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(max-width:880px){.grid-3{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.tool-card{display:flex;flex-direction:column;gap:10px;position:relative;transition:border-color .15s;color:inherit !important;text-decoration:none !important}
.tool-card:hover{border-color:var(--accent-line)}
.tool-card .tool-ico{width:44px;height:44px;border-radius:11px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;margin-bottom:4px}
.tool-card h3{font-size:1.12rem;letter-spacing:-.015em}
.tool-card p{font-size:.93rem;color:var(--muted);flex:1}
.tool-card .tool-go{font-weight:700;font-size:.92rem;color:var(--accent-dark)}
.tool-card:hover .tool-go{text-decoration:underline}

/* ---------- Tool UI ---------- */
.tool-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.tool-panel-body{padding:28px}
@media(max-width:640px){.tool-panel-body{padding:20px 16px}}
.field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 18px}
.field-grid .full{grid-column:1/-1}
@media(max-width:640px){.field-grid{grid-template-columns:1fr}}
.field label{display:block;font-size:.86rem;font-weight:700;margin-bottom:6px;color:var(--ink-2)}
.field .hint{font-size:.78rem;color:var(--muted);font-weight:400;margin-top:4px;line-height:1.45}
.field input,.field select{width:100%;padding:11px 13px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);font-size:1rem;font-family:var(--font);background:#fff;color:var(--ink)}
.field input:focus,.field select:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}
.input-suffix{position:relative}
.input-suffix input{padding-right:44px}
.input-suffix::after{content:attr(data-suffix);position:absolute;right:13px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:.9rem;pointer-events:none}
.seg{display:flex;border:1px solid var(--line-strong);border-radius:var(--radius-sm);overflow:hidden}
.seg button{flex:1;padding:10px 6px;background:#fff;border:0;font-family:var(--font);font-size:.9rem;font-weight:600;color:var(--ink-2);cursor:pointer;border-right:1px solid var(--line)}
.seg button:last-child{border-right:0}
.seg button.on{background:var(--accent);color:#fff}

/* ---------- Results ---------- */
.result-band{background:linear-gradient(180deg,#fbfbfa,#f3f3ef);border-top:1px solid var(--line);padding:26px 28px}
@media(max-width:640px){.result-band{padding:20px 16px}}
.result-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:720px){.result-tiles{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.result-tiles{grid-template-columns:1fr}}
.tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px}
.tile .t-label{font-size:.78rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--muted)}
.tile .t-value{font-size:1.5rem;font-weight:800;letter-spacing:-.02em;margin-top:4px;font-variant-numeric:tabular-nums}
.tile .t-sub{font-size:.8rem;color:var(--muted);margin-top:2px}
.tile.hi{border-color:var(--accent-line);background:var(--accent-soft)}
.tile.hi .t-value{color:var(--accent-dark)}
.tile.good .t-value{color:var(--pos)}
.tile.bad .t-value{color:var(--neg)}

/* ---------- Tables ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff}
table.data{width:100%;border-collapse:collapse;font-size:.92rem;min-width:520px}
table.data th{background:#f2f2ee;text-align:left;padding:10px 14px;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-2);border-bottom:1px solid var(--line)}
table.data td{padding:10px 14px;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}
table.data tr:last-child td{border-bottom:0}
table.data td.num,table.data th.num{text-align:right}
table.data tr.hl td{background:var(--accent-soft);font-weight:700}
table.data tr.past td{color:var(--muted)}
.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:.74rem;font-weight:700;letter-spacing:.02em}
.badge-pos{background:var(--pos-soft);color:var(--pos)}
.badge-neg{background:var(--neg-soft);color:var(--neg)}
.badge-acc{background:var(--accent-soft);color:var(--accent-dark)}
.badge-mut{background:#eeeeea;color:var(--muted)}

/* ---------- Notes / Disclaimer ---------- */
.note{border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:14px 18px;font-size:.92rem;margin:22px 0}
.note.warn{border-left-color:#b45309;background:var(--warn-soft)}
.note.good{border-left-color:var(--pos);background:var(--pos-soft)}
.disclaimer{font-size:.82rem;color:var(--muted);border-top:1px solid var(--line);margin-top:34px;padding-top:16px}

/* ---------- Article ---------- */
.article-head{padding:46px 0 8px}
.article-head h1{font-size:clamp(1.7rem,3.6vw,2.5rem);letter-spacing:-.028em;line-height:1.15;max-width:720px}
.article-head .meta{margin-top:12px;font-size:.85rem;color:var(--muted)}
.breadcrumbs{font-size:.83rem;color:var(--muted);padding-top:22px}
.breadcrumbs a{color:var(--muted)}
article.prose{padding:12px 0 40px}
.prose h2{font-size:1.45rem;letter-spacing:-.02em;margin:38px 0 12px}
.prose h3{font-size:1.13rem;margin:28px 0 8px}
.prose p{margin:14px 0}
.prose ul,.prose ol{margin:14px 0 14px 24px}
.prose li{margin:6px 0}
.prose strong{font-weight:700}
.prose table.data{margin:18px 0}
.prose .table-scroll{margin:18px 0}
.toc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 22px;margin:24px 0;font-size:.92rem}
.toc strong{display:block;margin-bottom:8px;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.toc ol{margin:0 0 0 20px}
.toc li{margin:4px 0}

/* ---------- FAQ ---------- */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:10px;overflow:hidden}
.faq summary{padding:16px 20px;font-weight:700;cursor:pointer;list-style:none;position:relative;padding-right:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:1.3rem;font-weight:400;color:var(--muted)}
.faq details[open] summary::after{content:"–"}
.faq .faq-a{padding:0 20px 18px;color:var(--ink-2);font-size:.95rem}

/* ---------- Cross-links ---------- */
.crosslinks{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin:34px 0}
.crosslinks h2,.crosslinks h3{font-size:1.05rem;margin:0 0 12px}
.crosslinks ul{list-style:none;margin:0}
.crosslinks li{margin:8px 0;padding-left:20px;position:relative}
.crosslinks li::before{content:"→";position:absolute;left:0;color:var(--accent)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--hero-ink);color:var(--hero-text);border-radius:var(--radius);padding:38px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(420px 220px at 90% 0%,rgba(79,70,229,.35),transparent 60%);pointer-events:none}
.cta-band h2{font-size:1.4rem;letter-spacing:-.02em;position:relative}
.cta-band p{color:var(--hero-muted);margin-top:6px;position:relative;max-width:460px}
.cta-band .btn{position:relative}

/* ---------- Chart ---------- */
.chart-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px;margin-top:16px}
.chart-box svg{display:block;width:100%}
.chart-title{font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-bottom:8px}
.legend{display:flex;gap:18px;flex-wrap:wrap;margin-top:10px;font-size:.82rem;color:var(--ink-2)}
.legend span{display:inline-flex;align-items:center;gap:7px}
.legend i{width:12px;height:12px;border-radius:3px;display:inline-block}

/* ---------- Footer ---------- */
.site-footer{background:var(--hero-ink);color:#9aa3b2;margin-top:70px;padding:44px 0 34px;font-size:.88rem}
.site-footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
@media(max-width:820px){.site-footer .cols{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.site-footer .cols{grid-template-columns:1fr}}
.site-footer h4{color:#e6e8ee;font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px}
.site-footer ul{list-style:none}
.site-footer li{margin:7px 0}
.site-footer a{color:#9aa3b2}
.site-footer a:hover{color:#fff}
.site-footer .foot-note{border-top:1px solid #1d232c;margin-top:32px;padding-top:20px;font-size:.8rem;line-height:1.6}
.site-footer .brand{font-size:1.05rem;margin-bottom:10px}

/* ---------- Utility ---------- */
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.muted{color:var(--muted)}
.center{text-align:center}
.mt-0{margin-top:0}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:36px}