/* Nikkco — shared styles. No web fonts, no images, no frameworks. */
:root{
  --ink:#101828; --ink-2:#344054; --muted:#667085; --line:#e4e7ec;
  --bg:#f8f9fb; --surface:#fff; --surface-2:#f2f4f7; --surface-3:#eaecf0;
  --brand:#0b6b4f; --brand-2:#0e8a63; --brand-soft:#e7f5ef; --brand-ink:#084c39;
  --up:#087443; --up-bg:#e7f6ee; --down:#c4322f; --down-bg:#fdeceb;
  --amber:#b25e09; --amber-bg:#fff4e5;
  --ring:#0e8a63; --shadow:0 1px 2px rgba(16,24,40,.05),0 8px 24px -12px rgba(16,24,40,.12);
  --radius:12px; --radius-sm:8px; --radius-lg:18px;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --container:1120px;
}
[data-theme="dark"]{
  --ink:#eef2f6; --ink-2:#c6cfdb; --muted:#94a1b2; --line:#253040;
  --bg:#0b1118; --surface:#121a24; --surface-2:#18222e; --surface-3:#1f2b39;
  --brand:#3ddc9a; --brand-2:#54e6aa; --brand-soft:#133227; --brand-ink:#bdf5dd;
  --up:#4ade80; --up-bg:#122c1f; --down:#f87171; --down-bg:#331718;
  --amber:#fbbf5e; --amber-bg:#33260f;
  --ring:#3ddc9a; --shadow:0 1px 2px rgba(0,0,0,.4),0 12px 32px -16px rgba(0,0,0,.6);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
h1,h2,h3,h4{line-height:1.18;letter-spacing:-.02em;font-weight:750}
h1{font-size:clamp(2rem,4.6vw,3.25rem)}
h2{font-size:clamp(1.4rem,2.6vw,1.9rem)}
h3{font-size:1.13rem}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--ring);outline-offset:2px;border-radius:4px}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{padding-left:1.15rem}
li+li{margin-top:.35rem}
strong{font-weight:650}
small{font-size:.82rem}
hr{border:0;border-top:1px solid var(--line);margin:2rem 0}
::selection{background:var(--brand);color:#fff}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--bg);padding:.7rem 1rem;z-index:100}
.skip-link:focus{left:1rem;top:1rem}

/* layout */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:20px}
.narrow{max-width:820px}
.section{padding:56px 0}
.section-sm{padding:32px 0}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.stack{display:flex;flex-direction:column;gap:14px}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.between{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.center{text-align:center}
.muted{color:var(--muted)}
.small{font-size:.86rem}
.tiny{font-size:.76rem}
.mono{font-family:var(--mono);font-size:.85em}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.mt0{margin-top:0}.mt1{margin-top:8px}.mt2{margin-top:16px}.mt3{margin-top:24px}.mt4{margin-top:36px}
.mb0{margin-bottom:0}.mb1{margin-bottom:8px}.mb2{margin-bottom:16px}
.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}

/* header */
.topline{background:var(--ink);color:var(--bg);font-size:.765rem;letter-spacing:.01em}
[data-theme="dark"] .topline{background:#050a10;color:var(--muted)}
.topline .container{display:flex;gap:16px;align-items:center;justify-content:space-between;min-height:34px;padding-block:5px;flex-wrap:wrap}
.topline a{color:inherit;text-decoration:underline;text-underline-offset:2px}
.dot-live{display:inline-block;width:6px;height:6px;border-radius:50%;background:#4ade80;margin-right:6px;vertical-align:1px}
.site-header{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
.site-header .container{display:flex;align-items:center;gap:22px;min-height:66px;padding-block:9px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.09rem;letter-spacing:-.03em;color:var(--ink);flex-shrink:0}
.brand:hover{text-decoration:none}
.brand svg{width:30px;height:30px;border-radius:8px}
.brand .brand-sub{font-size:.63rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:600;display:block;margin-top:-3px}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{color:var(--ink-2);font-size:.895rem;font-weight:550;padding:8px 10px;border-radius:7px;text-decoration:none;white-space:nowrap;flex-shrink:0}
.nav a:hover{background:var(--surface-2);color:var(--ink);text-decoration:none}
.nav a[aria-current="page"]{color:var(--brand);background:var(--brand-soft)}
.header-actions{display:flex;align-items:center;gap:8px}
.theme-toggle,.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--line);background:var(--surface);border-radius:9px;color:var(--ink-2)}
.theme-toggle:hover,.nav-toggle:hover{background:var(--surface-2);color:var(--ink)}
.theme-toggle svg,.nav-toggle svg{width:17px;height:17px}
.nav-toggle{display:none}
[data-theme="dark"] .icon-sun{display:block}
[data-theme="dark"] .icon-moon{display:none}
.icon-sun{display:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:9px;padding:10px 16px;font-weight:650;font-size:.9rem;line-height:1.2;text-decoration:none;transition:background .15s,border-color .15s,transform .05s;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff}
[data-theme="dark"] .btn-primary{background:var(--brand);color:#04241a}
.btn-primary:hover{background:var(--brand-2)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--surface-2)}
.btn-quiet{background:transparent;color:var(--ink-2);padding-inline:10px}
.btn-quiet:hover{background:var(--surface-2);color:var(--ink)}
.btn-sm{padding:7px 11px;font-size:.82rem;border-radius:7px}
.btn-block{width:100%}
.btn[disabled]{opacity:.55;pointer-events:none}
.link-arrow{font-weight:650;font-size:.88rem;display:inline-flex;align-items:center;gap:5px}
.link-arrow::after{content:"→";transition:transform .15s}
.link-arrow:hover::after{transform:translateX(2px)}

/* eyebrow / pills */
.eyebrow{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:7px}
.eyebrow::before{content:"";width:18px;height:1.5px;background:currentColor;display:inline-block}
.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:999px;font-size:.72rem;font-weight:650;letter-spacing:.01em;background:var(--surface-2);color:var(--ink-2);border:1px solid var(--line);white-space:nowrap}
.pill-up{background:var(--up-bg);color:var(--up);border-color:transparent}
.pill-down{background:var(--down-bg);color:var(--down);border-color:transparent}
.pill-brand{background:var(--brand-soft);color:var(--brand-ink);border-color:transparent}
.pill-amber{background:var(--amber-bg);color:var(--amber);border-color:transparent}
.rating{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:.9rem;font-variant-numeric:tabular-nums}
.stars{color:#d68a09;letter-spacing:.06em;font-size:.78rem;line-height:1}
[data-theme="dark"] .stars{color:#f3b64b}

/* hero */
.hero{padding:52px 0 44px;border-bottom:1px solid var(--line);background:
  radial-gradient(900px 360px at 88% -10%,var(--brand-soft),transparent 70%),var(--bg)}
.hero h1{max-width:16ch}
.hero .lede{font-size:1.09rem;color:var(--ink-2);max-width:54ch;margin-top:16px}
.hero-checks{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:22px;color:var(--ink-2);font-size:.85rem;font-weight:550;list-style:none;padding:0}
.hero-checks li{display:flex;align-items:center;gap:7px;margin:0}
.hero-checks li::before{content:"✓";color:var(--brand);font-weight:800}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.hero-note{margin-top:14px;font-size:.78rem;color:var(--muted)}
.light-badge{display:inline-flex;align-items:center;gap:8px;border:1px dashed var(--line);background:color-mix(in srgb,var(--surface) 70%,transparent);border-radius:999px;padding:5px 12px 5px 6px;font-size:.76rem;color:var(--ink-2);font-weight:550}
.light-badge b{background:var(--brand-soft);color:var(--brand-ink);border-radius:999px;padding:2px 8px;font-weight:700}

/* cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.card-flat{box-shadow:none}
.card-pad-lg{padding:26px}
.card-hover{transition:border-color .15s,transform .15s}
.card-hover:hover{border-color:color-mix(in srgb,var(--brand) 40%,var(--line));transform:translateY(-2px)}
.card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:10px}
.card h3 a{color:inherit}
.card h3 a:hover{color:var(--brand);text-decoration:none}
.card p{color:var(--muted);font-size:.9rem}
.card .card-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;font-size:.76rem;color:var(--muted)}
.tool-icon{width:38px;height:38px;border-radius:10px;background:var(--brand-soft);color:var(--brand-ink);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.tool-icon svg{width:19px;height:19px}
.pick-card{position:relative;border-top:3px solid var(--brand)}
.pick-label{position:absolute;top:-11px;left:18px;background:var(--brand);color:#fff;font-size:.66rem;font-weight:750;letter-spacing:.06em;text-transform:uppercase;padding:3px 9px;border-radius:999px}
[data-theme="dark"] .pick-label{color:#04241a}
.feature-card{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.feature-card .kicker{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700}
.feature-card .big{font-size:1.9rem;font-weight:750;letter-spacing:-.03em;font-variant-numeric:tabular-nums;margin-top:6px}

/* market card / converter */
.market-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow)}
.market-card .mc-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.mc-price{font-size:2.1rem;font-weight:750;letter-spacing:-.035em;font-variant-numeric:tabular-nums;line-height:1.1;margin-top:4px}
.mc-sub{display:flex;align-items:center;gap:8px;margin-top:8px;flex-wrap:wrap;font-size:.8rem;color:var(--muted)}
.mini-rows{margin-top:6px}
.mini-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:.88rem}
.mini-row:last-child{border-bottom:0}
.mini-row .coin-name{display:flex;align-items:center;gap:8px;font-weight:600}
.mini-row .val{font-variant-numeric:tabular-nums;font-weight:650}
.converter{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:6px}
.converter .field{margin:0}
.converter-out{background:var(--surface-2);border:1px solid var(--line);border-radius:9px;padding:10px 12px;font-variant-numeric:tabular-nums;font-weight:650;min-height:43px;display:flex;align-items:center;justify-content:flex-end;overflow:hidden}
.converter-foot{display:flex;justify-content:space-between;gap:10px;margin-top:7px;font-size:.74rem;color:var(--muted);flex-wrap:wrap}

/* coin */
.coin{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--surface-3);color:#fff;font-size:.62rem;font-weight:800;letter-spacing:0;flex-shrink:0;line-height:1}
.coin-lg{width:34px;height:34px;font-size:.72rem}
.coin-cell{display:flex;align-items:center;gap:10px;min-width:132px}
.coin-cell .sym{font-weight:650}
.coin-cell .full{font-size:.76rem;color:var(--muted);font-weight:450}
.asset-select{display:flex;align-items:center;gap:8px}
.asset-select .coin{width:22px;height:22px;font-size:.56rem}

/* ticker strip */
.ticker{border-block:1px solid var(--line);background:var(--surface);overflow-x:auto;scrollbar-width:thin}
.ticker-inner{display:flex;gap:0;min-width:max-content}
.ticker-item{display:flex;align-items:center;gap:9px;padding:11px 20px;border-right:1px solid var(--line);font-size:.84rem}
.ticker-item:first-child{border-left:1px solid var(--line)}
.ticker-item .t-sym{font-weight:700}
.ticker-item .t-price{font-variant-numeric:tabular-nums;color:var(--ink-2)}
.ticker-item .t-chg{font-variant-numeric:tabular-nums;font-weight:650;font-size:.78rem}
.up{color:var(--up)}.down{color:var(--down)}

/* tables */
.table-wrap{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:auto;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;font-size:.875rem}
caption{text-align:left;padding:14px 18px 0;color:var(--muted);font-size:.8rem}
thead th{position:sticky;top:0;background:var(--surface-2);color:var(--muted);font-size:.71rem;text-transform:uppercase;letter-spacing:.06em;font-weight:700;text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap;z-index:1}
tbody td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:color-mix(in srgb,var(--surface-2) 65%,transparent)}
th.r,td.r{text-align:right}
th.c,td.c{text-align:center}
td .sub{display:block;font-size:.73rem;color:var(--muted);font-weight:400;margin-top:1px}
.table-note{padding:10px 14px;border-top:1px solid var(--line);font-size:.74rem;color:var(--muted);background:var(--surface-2)}
.table-tools{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:12px}
.search-box{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--surface);border-radius:9px;padding:7px 11px;min-width:240px}
.search-box svg{width:15px;height:15px;color:var(--muted);flex-shrink:0}
.search-box input{border:0;background:transparent;outline:0;width:100%;font-size:.88rem;padding:2px 0}
.table-sort{background:none;border:0;padding:0;font:inherit;color:inherit;text-transform:inherit;letter-spacing:inherit;font-weight:inherit;display:inline-flex;align-items:center;gap:4px;cursor:pointer}
.table-sort:hover{color:var(--ink)}
.table-sort[aria-sort="ascending"]::after{content:"↑"}
.table-sort[aria-sort="descending"]::after{content:"↓"}
th[aria-sort] .table-sort{color:var(--ink)}
.tag{display:inline-block;font-size:.7rem;font-weight:600;color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line);border-radius:5px;padding:1px 6px;margin:1px 2px 1px 0;white-space:nowrap}
.best{color:var(--brand);font-weight:700}

/* forms */
.field{margin-bottom:14px}
.field label,.label{display:block;font-size:.8rem;font-weight:650;color:var(--ink-2);margin-bottom:5px}
.field .hint{font-size:.73rem;color:var(--muted);margin-top:5px}
.input-wrap{position:relative;display:flex;align-items:center}
input[type="text"],input[type="number"],input[type="search"],select,textarea{width:100%;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:.92rem;font-variant-numeric:tabular-nums;min-height:42px}
select{appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23667085' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:34px}
input:focus,select:focus,textarea:focus{border-color:var(--brand);outline:2px solid color-mix(in srgb,var(--brand) 20%,transparent);outline-offset:0}
.input-suffix{position:absolute;right:12px;font-size:.78rem;color:var(--muted);pointer-events:none}
.has-suffix input{padding-right:44px}
input[type="range"]{width:100%;accent-color:var(--brand);height:26px}
.inline-form{display:grid;grid-template-columns:1.4fr 1fr 1fr auto;gap:10px;align-items:end}
.inline-form .field{margin:0}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
fieldset{border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin:0 0 16px}
legend{font-size:.78rem;font-weight:700;padding:0 6px;color:var(--ink-2)}

/* results */
.result-box{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.result-main{font-size:2rem;font-weight:750;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1.15}
.result-label{font-size:.74rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:700}
.result-split{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.result-item{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px 12px}
.result-item .result-label{font-size:.66rem}
.result-item b{display:block;font-size:1.02rem;font-variant-numeric:tabular-nums;margin-top:2px}
.breakdown{margin-top:12px;font-size:.84rem}
.breakdown-row{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px dashed var(--line)}
.breakdown-row:last-child{border-bottom:0}
.breakdown-row b{font-variant-numeric:tabular-nums}
.bar{height:8px;border-radius:99px;background:var(--surface-3);overflow:hidden;display:flex}
.bar span{display:block;height:100%}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:.74rem;color:var(--muted);margin-top:8px}
.legend i{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:5px}
.notice{border:1px solid var(--line);border-left:3px solid var(--brand);background:var(--surface);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:12px 16px;font-size:.85rem;color:var(--ink-2)}
.notice-warn{border-left-color:var(--amber);background:var(--amber-bg);color:var(--ink-2)}
.notice-danger{border-left-color:var(--down);background:var(--down-bg)}
.notice p:last-child{margin-bottom:0}
.empty{text-align:center;padding:34px 18px;color:var(--muted)}
.empty svg{width:34px;height:34px;margin:0 auto 10px;color:var(--muted)}
.empty h3{color:var(--ink);margin-bottom:6px}

/* prose / guides */
.prose{font-size:1.01rem;color:var(--ink-2)}
.prose h2{margin:2.1em 0 .6em;color:var(--ink);scroll-margin-top:90px}
.prose h3{margin:1.7em 0 .5em;color:var(--ink);scroll-margin-top:90px}
.prose p{margin:0 0 1em}
.prose ul,.prose ol{margin:0 0 1.1em}
.prose li{margin-bottom:.4em}
.prose a{text-decoration:underline;text-underline-offset:2px}
.prose strong{color:var(--ink)}
.prose blockquote{border-left:3px solid var(--brand);background:var(--surface-2);padding:12px 18px;border-radius:0 8px 8px 0;margin:1.2em 0;color:var(--ink-2);font-size:.94rem}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;align-items:start}
.toc{position:sticky;top:92px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;font-size:.82rem}
.toc strong{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:8px}
.toc ol{list-style:none;padding:0;margin:0;counter-reset:toc}
.toc li{margin:0}
.toc a{display:block;padding:5px 0;color:var(--ink-2);border-bottom:1px solid var(--line)}
.toc li:last-child a{border-bottom:0}
.toc a:hover{color:var(--brand);text-decoration:none}
.article-head{padding:36px 0 24px;border-bottom:1px solid var(--line);margin-bottom:28px}
.article-head h1{font-size:clamp(1.85rem,3.6vw,2.7rem);max-width:24ch;margin-top:8px}
.article-head .dek{font-size:1.04rem;color:var(--ink-2);margin-top:12px;max-width:64ch}
.byline{display:flex;align-items:center;gap:10px;margin-top:18px;font-size:.8rem;color:var(--muted);flex-wrap:wrap}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--brand-soft);color:var(--brand-ink);display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:800;flex-shrink:0}
.steps{counter-reset:step;list-style:none;padding:0;margin:1.4em 0}
.steps li{position:relative;padding-left:46px;margin-bottom:1.3em}
.steps li::before{counter-increment:step;content:counter(step);position:absolute;left:0;top:-2px;width:30px;height:30px;border-radius:50%;background:var(--brand-soft);color:var(--brand-ink);display:flex;align-items:center;justify-content:center;font-weight:750;font-size:.85rem}
.steps li strong{display:block;color:var(--ink);margin-bottom:2px}
.checklist{list-style:none;padding:0}
.checklist li{position:relative;padding-left:26px;margin-bottom:.6em}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;color:var(--brand);font-weight:800}
.checklist.cross li::before{content:"✕";color:var(--down)}
details{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);padding:0 16px}
details+details{margin-top:8px}
summary{cursor:pointer;padding:13px 0;font-weight:650;font-size:.93rem;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--muted);font-weight:500;font-size:1.15rem;line-height:1}
details[open] summary::after{content:"−"}
details .answer{padding:0 0 14px;font-size:.9rem;color:var(--ink-2);max-width:70ch}
details .answer p{margin-bottom:.6em}
details .answer p:last-child{margin-bottom:0}
.crumbs{font-size:.76rem;color:var(--muted);padding-top:16px}
.crumbs a{color:var(--muted)}
.crumbs span{margin-inline:6px}
.author-box{display:flex;gap:14px;align-items:flex-start;border-top:1px solid var(--line);margin-top:36px;padding-top:20px;font-size:.84rem;color:var(--muted)}
.author-box .avatar{width:40px;height:40px;font-size:.8rem}
.author-box strong{color:var(--ink);display:block;font-size:.88rem}
.updated{font-size:.76rem;color:var(--muted);margin-top:14px}

/* sections */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.section-head h2{margin-top:4px}
.section-head p{color:var(--muted);font-size:.9rem;max-width:60ch;margin-top:6px}
.band{background:var(--surface);border-block:1px solid var(--line)}
.note-band{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;font-size:.85rem;color:var(--ink-2)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat{background:var(--surface);padding:18px}
.stat .stat-k{font-size:.7rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:700}
.stat .stat-v{font-size:1.45rem;font-weight:750;letter-spacing:-.02em;margin-top:4px;font-variant-numeric:tabular-nums}
.stat .stat-s{font-size:.74rem;color:var(--muted);margin-top:2px}
.compare-picks{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.disclosure-bar{font-size:.76rem;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-top:26px}
.disclosure-bar strong{color:var(--ink-2)}
.pick-strip{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0 0}
.score-cell{display:flex;align-items:center;gap:6px;white-space:nowrap}
.score{font-weight:750;font-variant-numeric:tabular-nums}
.verdict{font-size:.84rem;color:var(--ink-2);max-width:38ch}
.provider{display:flex;align-items:center;gap:9px;font-weight:650;min-width:120px}
.provider .logo-mono{width:26px;height:26px;border-radius:7px;background:var(--surface-2);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:.66rem;font-weight:800;color:var(--ink-2);flex-shrink:0}
.provider small{display:block;color:var(--muted);font-weight:450;font-size:.72rem}
.cta-row{display:flex;gap:8px;flex-wrap:wrap}
.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.pros-cons ul{margin:0;padding:0;list-style:none;font-size:.84rem}
.pros-cons li{position:relative;padding-left:18px;margin-bottom:5px;color:var(--ink-2)}
.pros-cons .pros li::before{content:"+";position:absolute;left:0;color:var(--up);font-weight:800}
.pros-cons .cons li::before{content:"−";position:absolute;left:0;color:var(--down);font-weight:800}
.pros-cons h4{font-size:.7rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:6px}

/* footer */
.site-footer{background:var(--ink);color:#c9d3de;margin-top:64px;padding:44px 0 26px}
[data-theme="dark"] .site-footer{background:#050a10;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;gap:28px}
.site-footer .brand{color:#fff}
.site-footer .brand .brand-sub{color:#8fa0b3}
.site-footer h4{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:#8fa0b3;margin-bottom:10px;font-weight:700}
.site-footer ul{list-style:none;padding:0;margin:0;font-size:.83rem}
.site-footer li{margin-bottom:7px}
.site-footer a{color:#c9d3de}
.site-footer a:hover{color:#fff}
.footer-blurb{font-size:.83rem;color:#8fa0b3;max-width:34ch;margin-top:10px}
.footer-bottom{border-top:1px solid #223040;margin-top:30px;padding-top:18px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.75rem;color:#8fa0b3}
.footer-legal{font-size:.72rem;color:#7f8ea1;margin-top:16px;max-width:92ch;line-height:1.55}
[data-theme="dark"] .footer-bottom{border-top-color:var(--line)}
.footer-flag{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;border:1px solid #223040;border-radius:999px;padding:3px 9px;color:#c9d3de}

/* misc */
.pf-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(260px,.8fr);gap:22px;align-items:start}
.pf-summary{position:sticky;top:88px}
.meter{height:6px;background:var(--surface-3);border-radius:99px;overflow:hidden;margin-top:6px}
.meter span{display:block;height:100%;background:var(--brand);border-radius:99px}
.trust-row{display:flex;gap:18px;flex-wrap:wrap;align-items:center;font-size:.77rem;color:var(--muted);padding:14px 0}
.trust-row span{display:flex;align-items:center;gap:6px}
.trust-row svg{width:14px;height:14px;color:var(--brand)}
.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,16px);background:var(--ink);color:var(--bg);padding:9px 16px;border-radius:8px;font-size:.82rem;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:60;box-shadow:var(--shadow)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.tabs{display:inline-flex;background:var(--surface-2);border:1px solid var(--line);border-radius:9px;padding:3px;gap:2px}
.tabs button{border:0;background:transparent;color:var(--ink-2);font-size:.82rem;font-weight:650;padding:6px 12px;border-radius:6px}
.tabs button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(16,24,40,.1)}
.scroll-hint{font-size:.72rem;color:var(--muted);margin-top:8px;display:none}
.mobile-only{display:none}
.desktop-only{display:block}

@media (max-width:1100px){
  .pf-layout{grid-template-columns:1fr}
  .pf-summary{position:static;display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:start}
  .pf-summary>.card{margin-top:0!important}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:28px}
  .hero{padding:40px 0 34px}
  .hero h1{max-width:20ch}
  .article-layout{grid-template-columns:1fr;gap:26px}
  .toc{position:static;order:-1}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
  .compare-picks{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .desktop-only{display:none}
  .mobile-only{display:block}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--line);padding:10px 20px 16px;flex-direction:column;align-items:stretch;gap:2px;box-shadow:var(--shadow)}
  .site-header.nav-open .nav{display:flex}
  .nav a{padding:11px 10px;font-size:.95rem}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-ghost{display:none}
  .site-header .container{position:relative}
}
@media (max-width:720px){
  body{font-size:15.5px}
  .g2,.g3{grid-template-columns:1fr}
  .g4{grid-template-columns:1fr 1fr}
  .section{padding:40px 0}
  .inline-form{grid-template-columns:1fr 1fr}
  .inline-form .field:nth-child(3){grid-column:1/-1}
  .form-grid{grid-template-columns:1fr}
  .result-split{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-grid>div:first-child{grid-column:1/-1}
  .pros-cons{grid-template-columns:1fr}
  .hero-cta .btn{flex:1 1 auto}
  .table-tools{align-items:stretch}
  .search-box{min-width:0;flex:1}
  .article-head{padding-top:26px}
  .scroll-hint{display:block}
  .topline .container span:last-child{display:none}
}
@media (max-width:520px){
  .g4{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr}
  .container{padding-inline:16px}
  .card{padding:16px}
  .market-card{padding:16px}
  .mc-price{font-size:1.8rem}
  .result-main{font-size:1.65rem}
  .footer-grid{grid-template-columns:1fr 1fr}
  .brand .brand-sub{display:none}
  .byline{gap:8px}
  .tabs{width:100%}
  .tabs button{flex:1}
  .converter{grid-template-columns:1fr;gap:6px}
  .converter-out{justify-content:flex-start;min-height:0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}
@media print{
  .site-header,.site-footer,.topline,.toc,.hero-cta,.theme-toggle,.nav-toggle{display:none!important}
  body{background:#fff;color:#000}
  .card,.table-wrap{box-shadow:none}
}