/* coolweb.ai blog — reading theme. Light, high-contrast, one comfortable column. */
:root{
  --bg:#fbfaf8;
  --surface:#ffffff;
  --ink:#1b1c1e;
  --body:#2c2e33;
  --muted:#62666d;
  --line:#e6e3dd;
  --accent:#0d7a71;        /* links/buttons on light: 5.2:1 on white */
  --accent-hover:#095c55;
  --accent-soft:#e7f4f2;
  --warn:#b42318;
  --warn-soft:#fdeceb;
  --measure:700px;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:"DM Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--body);font:400 19px/1.72 var(--serif);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}

/* reading progress */
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--accent);z-index:60;transition:width .08s linear}

/* top bar */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:20px;padding:12px max(16px,calc((100% - 1080px)/2));background:rgba(255,255,255,.92);backdrop-filter:saturate(160%) blur(10px);-webkit-backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line);font-family:var(--sans)}
.brand{font-weight:700;font-size:18px;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.topnav{display:flex;gap:22px;margin-left:auto}
.topnav a{color:var(--muted);text-decoration:none;font-size:15px}
.topnav a:hover{color:var(--ink)}
.topnav a[href="/blog/"]{color:var(--ink);font-weight:500}
.cta-mini{background:var(--accent);color:#fff;text-decoration:none;font:500 15px/1 var(--sans);padding:10px 16px;border-radius:999px;white-space:nowrap}
.cta-mini:hover{background:var(--accent-hover)}
@media (max-width:720px){.topnav{display:none}.cta-mini{margin-left:auto}}

/* layout */
.crumbs{max-width:var(--measure);margin:28px auto 0;padding:0 16px;font:400 14px/1.4 var(--sans);color:var(--muted)}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--accent)}
.crumbs span{margin:0 2px}
.wrap{max-width:var(--measure);margin:0 auto;padding:0 16px 72px}
article{min-width:0}

/* headings & text */
.eyebrow{font:700 13px/1 var(--sans);letter-spacing:.09em;text-transform:uppercase;color:var(--accent);margin:28px 0 12px}
h1,h2,h3,h4{font-family:var(--sans);color:var(--ink);letter-spacing:-.018em;line-height:1.2}
h1{font-size:clamp(32px,5.4vw,46px);font-weight:700;margin:0 0 16px;line-height:1.1}
h2{font-size:clamp(24px,3.4vw,30px);font-weight:700;margin:2.2em 0 .6em}
h3{font-size:21px;font-weight:700;margin:1.7em 0 .45em}
p{margin:0 0 1.1em}
strong{color:var(--ink);font-weight:650}
article a{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
article a:hover{color:var(--accent-hover);text-decoration-thickness:2px}
.lede{font-size:21px;color:var(--body)}
.byline,.post-meta{font:400 15px/1.5 var(--sans);color:var(--muted);margin:0 0 26px}
ul,ol{padding-left:1.3em;margin:0 0 1.2em}
li{margin:.35em 0}
li::marker{color:var(--accent)}
hr{border:0;border-top:1px solid var(--line);margin:2.5em 0}

/* table of contents (built by blog.js) */
.toc{border:1px solid var(--line);background:var(--surface);border-radius:12px;margin:0 0 30px;font-family:var(--sans)}
.toc summary{cursor:pointer;list-style:none;padding:14px 18px;font:600 15px/1.3 var(--sans);color:var(--ink);display:flex;justify-content:space-between;align-items:center}
.toc summary::-webkit-details-marker{display:none}
.toc summary::after{content:"+";font-size:20px;color:var(--muted);font-weight:400}
.toc[open] summary::after{content:"–"}
.toc ol{margin:0;padding:0 18px 16px 38px;font-size:15px;line-height:1.45}
.toc li{margin:.45em 0}
.toc a{color:var(--body);text-decoration:none}
.toc a:hover{color:var(--accent);text-decoration:underline}

/* quick answer */
.tldr{background:var(--accent-soft);border-left:4px solid var(--accent);border-radius:0 12px 12px 0;padding:18px 22px;margin:0 0 34px}
.tldr p{margin:0;font-size:19px}
.tldr p+p{margin-top:.7em}

/* tables */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.4em 0 1.6em;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
table{width:100%;border-collapse:collapse;font:400 15.5px/1.5 var(--sans);color:var(--body)}
.table-scroll table{min-width:540px}
article>table,.price-table:not(.table-scroll .price-table),.compare-table:not(.table-scroll .compare-table){margin:1.4em 0 1.6em;border:1px solid var(--line);border-radius:12px;background:var(--surface);display:block;overflow-x:auto}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:#f4f2ee;color:var(--ink);font-weight:600;font-size:14px;letter-spacing:.01em;white-space:nowrap}
tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}
tbody tr:nth-child(even){background:#fbfaf8}
tbody th{color:var(--ink);font-weight:600}
td.price{font-weight:600;color:var(--ink);white-space:nowrap;font-variant-numeric:tabular-nums}
.disclaim{font:400 14px/1.55 var(--sans);color:var(--muted)}

/* factor cards */
.factors{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin:1.2em 0 1.6em}
.factor{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.factor strong{display:block;font:700 16px/1.3 var(--sans);margin-bottom:6px}
.factor p{margin:0;font-size:17px;line-height:1.6}

/* lists with icons */
.ticks,.struct{list-style:none;padding:0}
.ticks li,.struct li{position:relative;padding-left:30px;margin:.6em 0}
.ticks li::before{content:"";position:absolute;left:2px;top:.42em;width:18px;height:18px;border-radius:50%;background:var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%230d7a71' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat}
.ticks.bad li::before{background:var(--warn-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M6 6l8 8M14 6l-8 8' fill='none' stroke='%23b42318' stroke-width='2.4' stroke-linecap='round'/%3E%3C/svg%3E") center/11px no-repeat}
.struct li::before{content:"";position:absolute;left:6px;top:.62em;width:10px;height:10px;border-radius:3px;background:var(--accent)}

/* CTA */
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px;margin:1.4em 0}
.cta{display:inline-block;background:var(--accent);color:#fff!important;text-decoration:none!important;font:600 16px/1 var(--sans);padding:15px 22px;border-radius:999px}
.cta:hover{background:var(--accent-hover)}
.cta-sub{font:400 14px/1.5 var(--sans);color:var(--muted);margin:12px 0 0}
.cta-block{background:var(--ink);color:#e9eaec;border-radius:18px;padding:30px 28px;margin:2.6em 0}
.cta-block h2{color:#fff;margin:0 0 .45em;font-size:clamp(22px,3vw,27px)}
.cta-block p{color:#d5d7db;font-size:18px}
.cta-block .cta{background:#5fd0c4;color:#08201d!important}
.cta-block .cta:hover{background:#7fdcd2}
.cta-block .cta-sub,.cta-block .cta-sub a{color:#b9bcc2}

/* FAQ */
.faq{border-top:1px solid var(--line);margin:1em 0 2em}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 36px 18px 0;position:relative;font:600 18px/1.4 var(--sans);color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:4px;top:15px;font:400 24px/1 var(--sans);color:var(--accent)}
.faq-item[open] summary::after{content:"–"}
.faq-item p{margin:0 0 18px;font-size:18px}

/* sources */
.sources{font:400 14.5px/1.55 var(--sans);color:var(--muted);padding-left:1.4em}
.sources li{margin:.5em 0;word-break:break-word}
.sources a{color:var(--accent)}

/* blog index */
.post-list{list-style:none;padding:0;margin:30px 0;display:grid;gap:14px}
.post-list li{margin:0}
.post-list a{display:block;padding:22px 24px;background:var(--surface);border:1px solid var(--line);border-radius:14px;text-decoration:none;transition:border-color .15s,box-shadow .15s,transform .15s}
.post-list a:hover{border-color:#cfcac1;box-shadow:0 6px 24px rgba(20,20,20,.06);transform:translateY(-1px)}
.post-list .c-name{display:block;font:700 20px/1.3 var(--sans);color:var(--ink);margin-bottom:6px}
.post-list .c-sub{display:block;font:400 16px/1.55 var(--sans);color:var(--muted)}

/* footer */
.foot{border-top:1px solid var(--line);padding:28px 16px 40px;text-align:center;font:400 14px/1.5 var(--sans);color:var(--muted)}
.foot a{color:var(--ink)}

@media (max-width:600px){
  /* tables become one card per row */
  .table-scroll:has(.stackable){overflow:visible;border:0;background:none}
  table.stackable{min-width:0!important;display:block!important;border:0!important;background:none!important;overflow:visible!important}
  table.stackable thead{display:none}
  table.stackable tbody{display:grid;gap:12px}
  table.stackable tr{display:block;background:var(--surface)!important;border:1px solid var(--line);border-radius:12px;padding:6px 16px}
  table.stackable td,table.stackable tbody th{display:block;border:0;border-bottom:1px solid var(--line);padding:10px 0;white-space:normal}
  table.stackable tr>*:last-child{border-bottom:0}
  table.stackable tr>*:first-child{font-weight:700;color:var(--ink);font-size:16.5px}
  table.stackable td[data-label]:not(:first-child)::before{content:attr(data-label);display:block;font:600 12px/1.3 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:3px}
  body{font-size:18px}
  .lede{font-size:19px}
  .tldr{padding:16px 18px}
  .tldr p{font-size:18px}
  .cta-block{padding:24px 20px;border-radius:14px}
  .faq-item summary{font-size:17px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.progress,.post-list a{transition:none}}
@media print{.topbar,.progress,.toc,.cta-block,.cta-mini{display:none}body{background:#fff}}