/* Gastroof blog: same tokens and chrome as the home page (index.html).
   Every article and the blog index load this file; no page keeps its own <style>. */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --paper:#ffffff;
  --ink:#0a0a0a;
  --ink-2:#3d3935;
  --muted:#6b6560;
  --line:#e7e5e4;
  --green:#146c43;
  --green-dark:#0e5133;
  --forest:#0c3322;
  --mint:#eef4ef;
  --mint-2:#dfeae2;
  --green-soft:#eaf4ee;
  --amber-soft:#fdf6e7;
  --amber-ink:#8a5a00;
  --blue-soft:#eef3fb;
  --blue-ink:#1e4f9c;
  --red-ink:#b3261e;
  /* legacy names still used by a few inline styles inside articles */
  --blue:var(--blue-ink);
  --amber:var(--amber-ink);
  --nav-h:68px;
  --max:1160px;
  --read:720px;
}
html{scroll-behavior:smooth;overflow-x:hidden;-webkit-text-size-adjust:100%}
body{font-family:'Geist',system-ui,sans-serif;background:var(--paper);color:var(--ink);font-size:17px;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:4px}
h1,h2,h3,h4{font-weight:600;color:var(--ink);text-wrap:balance}
p{text-wrap:pretty}
/* Old pages accented one word of the title with a gradient; keep titles plain */
h1 em,h1 .grad-green,h2 .grad-green{font-style:normal;background:none;-webkit-text-fill-color:currentColor;color:inherit}

/* ─── NAV (same as home) ─────────────────────────────── */
nav{position:sticky;top:0;z-index:100;height:var(--nav-h);background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .2s}
nav.scrolled{border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:100%;max-width:var(--max);margin:0 auto;padding:0 32px}
.nav-logo img{height:26px;width:auto}
.nav-links{display:flex;align-items:center;gap:32px;list-style:none}
.nav-links a{font-size:15px;color:var(--ink-2);transition:color .15s}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-links a.btn-primary,.nav-links a.btn-primary:hover{color:#fff}
.lang-switch{display:inline-flex;align-items:center;gap:2px;padding:3px;border:1px solid var(--line);border-radius:999px;list-style:none}.lang-switch a,.lang-switch span{font-size:13px;font-weight:600;line-height:1;padding:6px 9px;border-radius:999px;color:var(--muted)}.lang-switch a:hover{color:var(--ink)}.lang-switch [aria-current]{background:var(--ink);color:#fff}
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;cursor:pointer;background:none;border:none;margin-right:-10px;padding:10px}
.hamburger span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none;position:fixed;top:var(--nav-h);left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:8px 20px 24px;z-index:99;flex-direction:column}
.mobile-menu.open{display:flex}
.mobile-menu a.mobile-link{padding:16px 0;font-size:17px;font-weight:500;border-bottom:1px solid var(--line)}
.mobile-menu .btn{margin-top:20px}

/* ─── BUTTONS ────────────────────────────────────────── */
.btn,.btn-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 26px;border-radius:10px;font-family:inherit;font-weight:600;font-size:16px;border:1px solid transparent;cursor:pointer;transition:background-color .15s,border-color .15s;white-space:nowrap}
.btn-sm{height:42px;padding:0 18px;font-size:15px}
.btn-primary,.btn-green,.btn-cta{background:var(--green);color:#fff}
.btn-primary:hover,.btn-green:hover,.btn-cta:hover{background:var(--green-dark)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
/* legacy buttons carried an arrow icon and inline sizes */
.btn-green svg,.btn-cta svg{display:none}
.btn-green[style]{height:52px!important;padding:0 26px!important;font-size:16px!important}

/* ─── BLOG INDEX ─────────────────────────────────────── */
.blog-hero{background:var(--mint);padding:72px 0 56px;margin-top:calc(var(--nav-h)*-1);padding-top:calc(var(--nav-h) + 72px)}
.blog-hero h1{font-size:clamp(2.4rem,5vw,4rem);line-height:1.04;letter-spacing:-.035em;max-width:16ch;margin-bottom:18px}
.blog-hero p{font-size:1.15rem;line-height:1.55;color:var(--ink-2);max-width:48ch}
.wrap{max-width:var(--max);margin:0 auto;padding:0 32px}
.blog-section{padding:48px 0 112px}
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:40px}
.filter-btn{font-family:inherit;font-size:15px;font-weight:500;height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer;transition:background-color .15s,border-color .15s,color .15s}
.filter-btn:hover{border-color:var(--green);color:var(--green)}
.filter-btn.active{background:var(--green);border-color:var(--green);color:#fff}
.filter-count{opacity:.7;font-weight:400}
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{display:flex;flex-direction:column;gap:10px;padding:28px;border:1px solid var(--line);border-radius:20px;background:#fff;transition:border-color .15s,box-shadow .15s}
.post-card:hover{border-color:var(--green);box-shadow:0 20px 40px -28px rgba(12,51,34,.45)}
.post-card.hidden{display:none}
.post-tag{font-size:14px;font-weight:500;color:var(--green)}
.post-card h2{font-size:1.2rem;line-height:1.3;letter-spacing:-.01em}
.post-card p{font-size:15px;color:var(--ink-2);flex:1}
.post-meta{font-size:14px;color:var(--muted);padding-top:14px;border-top:1px solid var(--line)}
.no-results{display:none;padding:48px 0;text-align:center;color:var(--muted)}

/* ─── ARTICLE: shared reading column ─────────────────── */
.back-btn-wrap,.article-header,.toc,.toc-section,.article-body,.related{width:100%;max-width:calc(var(--read) + 48px);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.article-header .container,.article-body .container,.article-content{max-width:none;padding:0;margin:0}
.back-btn-wrap{padding-top:40px}
.back-btn{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:500;color:var(--green)}
.back-btn:hover{color:var(--green-dark)}
.article-header{padding-top:24px;padding-bottom:32px}
.article-header .back-btn{display:flex;width:max-content;margin:16px 0 24px}
.article-tag,.article-badge{display:inline-block;font-size:14px;font-weight:500;color:var(--green);background:var(--green-soft);border-radius:999px;padding:4px 12px;margin-bottom:18px}
.article-header h1{font-size:clamp(2rem,4.4vw,3rem);line-height:1.08;letter-spacing:-.03em;margin-bottom:18px}
.article-intro,.article-header .container>p{font-size:1.15rem!important;line-height:1.6;color:var(--ink-2)!important;max-width:none!important}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta strong{color:var(--ink-2);font-weight:500}

/* Table of contents */
.toc-box,.article-body .toc{background:var(--mint);border-radius:20px;padding:24px 28px}
.toc,.toc-section{margin-bottom:8px}
.toc-box h2,.article-body .toc h4{font-size:1rem;letter-spacing:0;margin:0 0 10px!important}
.toc ol,.toc-box ol{margin:0;padding-left:20px}
.toc li,.toc-box li{padding:4px 0;font-size:15.5px;color:var(--ink-2)}
.toc a,.toc-box a{color:var(--ink-2)}
.toc a:hover,.toc-box a:hover{color:var(--green)}
.article-body .toc{margin-bottom:24px}
.toc li,.toc-box li{margin:0}
.toc li::marker,.toc-box li::marker{color:var(--muted);font-weight:400}
.toc a,.toc-box a{text-decoration:none}

/* Body copy */
.article-body{padding-top:16px;padding-bottom:72px;font-size:18px;line-height:1.75;color:var(--ink-2)}
.article-body h2{font-size:clamp(1.5rem,2.6vw,1.9rem);line-height:1.18;letter-spacing:-.025em;margin:56px 0 16px;scroll-margin-top:calc(var(--nav-h) + 16px)}
.article-body h3{font-size:1.22rem;line-height:1.35;letter-spacing:-.01em;margin:32px 0 10px}
.article-body h4{font-size:1.05rem;margin:24px 0 8px}
.article-body p{margin:0 0 18px}
.article-body strong{color:var(--ink);font-weight:600}
.article-body :where(a:not(.btn,.btn-cta,.btn-green)){color:var(--green);text-decoration:underline;text-underline-offset:3px}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px}
.article-body li{margin:0 0 8px;padding-left:4px}
.article-body ul>li::marker{color:var(--green)}
.article-body ol>li::marker{color:var(--green);font-weight:600}
.article-body img{border-radius:16px;margin:24px 0}

/* Callout boxes */
.highlight-box,.amber-box,.blue-box,.disclaimer-note,.example-box,.formula-box{border-radius:18px;padding:22px 24px;margin:28px 0}
.highlight-box{background:var(--green-soft)}
.amber-box{background:var(--amber-soft)}
.blue-box{background:var(--blue-soft)}
.hb-label,.formula-label,.example-label{font-size:14px;font-weight:600;margin-bottom:6px;color:var(--green)}
.amber-box .hb-label{color:var(--amber-ink)}
.blue-box .hb-label{color:var(--blue-ink)}
.highlight-box p,.amber-box p,.blue-box p{margin:0;font-size:17px}
.disclaimer-note{background:#fafaf9;border:1px solid var(--line)}
.disclaimer-note p{margin:0;font-size:14.5px;color:var(--muted)}
.example-box{background:#fafaf9;border:1px solid var(--line)}
.example-label.bad{color:var(--red-ink)}
.example-label.good{color:var(--green)}
.example-text{margin:0!important;font-style:italic}
.formula-box{background:var(--forest);color:#fff}
.formula-box .formula-label{color:#9fd3b6}
.formula{font-size:1.15rem;font-weight:600;line-height:1.5}
.formula span{color:#9fd3b6}
.formula-note{font-size:15px;color:rgba(255,255,255,.75);margin-top:8px}

/* Inline call to action */
.inline-cta,.cta-inline{background:var(--green);color:#fff;border-radius:22px;padding:32px;margin:40px 0}
.inline-cta h3,.cta-inline h3{color:#fff;font-size:1.35rem;margin:0 0 8px}
.inline-cta p,.cta-inline p{color:rgba(255,255,255,.85);margin:0 0 20px;font-size:16.5px}
.inline-cta .btn-cta,.cta-inline .btn{background:#fff;color:var(--green)}
.inline-cta .btn-cta:hover,.cta-inline .btn:hover{background:var(--green-soft)}

/* Numbered lists of strategies / steps / trends / priorities */
.strat-list{list-style:none;padding:0!important}
.strat-list>li{display:grid;grid-template-columns:40px 1fr;gap:16px;padding:20px 0;border-top:1px solid var(--line);margin:0}
.strat-list>li::marker{content:''}
.strat-num,.step-num,.step-bubble,.trend-num,.pnum{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--green);color:#fff;font-size:15px;font-weight:600;flex-shrink:0}
.strat-body h3,.step-content h3,.step-body h3,.trend-content h3{margin:4px 0 6px}
.strat-body p,.step-content p,.step-body p,.trend-content p{margin:0}
.step-list{margin:28px 0}
.step-item{display:grid;grid-template-columns:40px 1fr;gap:16px;padding:20px 0;border-top:1px solid var(--line)}
.step-tag{display:inline-block;margin-top:10px;font-size:13.5px;font-weight:500;color:var(--green);background:var(--green-soft);border-radius:999px;padding:3px 10px}
.trend-grid{display:grid;gap:12px;margin:28px 0}
.trend-card{display:grid;grid-template-columns:40px 1fr;gap:16px;padding:22px;border:1px solid var(--line);border-radius:18px}
.priority-grid,.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:28px 0}
.priority-card,.content-card{border:1px solid var(--line);border-radius:18px;padding:22px}
.priority-card .pnum{margin-bottom:12px}
.priority-card h3,.content-card h3{margin:0 0 6px;font-size:1.1rem}
.priority-card p{margin:0;font-size:16px}
.content-card ul{margin:0;padding-left:20px;font-size:16px}
.error-list{margin:24px 0}
.error-item{border-left:3px solid var(--red-ink);background:#fdf3f2;border-radius:0 14px 14px 0;padding:16px 20px;margin:0 0 12px}
.error-item h4{margin:0 0 4px;color:var(--ink)}
.error-item p{margin:0;font-size:16.5px}

/* Stats */
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:28px 0}
.stat-card{background:var(--mint);border-radius:18px;padding:22px}
.stat-num{font-size:2rem;font-weight:600;letter-spacing:-.03em;color:var(--green);line-height:1.1}
.stat-label{font-size:15px;color:var(--ink-2);margin-top:6px;line-height:1.4}

/* Tables */
.article-body table{width:100%;border-collapse:collapse;margin:28px 0;font-size:16px;display:block;overflow-x:auto}
.article-body th,.article-body td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.article-body th{font-weight:600;color:var(--ink);background:var(--mint);white-space:nowrap}
.article-body thead th:first-child{border-radius:12px 0 0 0}
.article-body thead th:last-child{border-radius:0 12px 0 0}
.article-body td.accent,.article-body td.ok,.article-body td.pro,.article-body td.good{color:var(--green);font-weight:600}
.article-body td.con,.article-body td.bad{color:var(--red-ink)}

/* Related reading */
.related{padding-top:8px;padding-bottom:96px}
.related h2{font-size:1.4rem;letter-spacing:-.02em;margin-bottom:20px}
.related .post-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.related .post-card{padding:22px}
.related .post-card h3{font-size:1.05rem;line-height:1.3;letter-spacing:-.01em;margin:0}
.related .post-card p{font-size:14.5px}

/* ─── FOOTER (same as home) ──────────────────────────── */
footer{background:var(--ink);color:#fff;padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-brand img{height:24px;width:auto;margin-bottom:14px;filter:invert(1)}
.footer-brand p{font-size:15px;max-width:32ch;color:rgba(255,255,255,.6)}
.footer-col h4{font-size:14px;font-weight:600;margin-bottom:12px;color:#fff}
.footer-col a{display:block;font-size:15px;color:rgba(255,255,255,.6);padding:4px 0;transition:color .15s}
.footer-col a:hover{color:#fff}
.footer-bottom{font-size:13px;color:rgba(255,255,255,.45);padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}

/* ─── RESPONSIVE ─────────────────────────────────────── */
@media(max-width:1024px){
  .post-grid,.related .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:768px){
  body{font-size:16px}
  .nav-inner,.wrap{padding:0 20px}
  .nav-links{display:none}
  .hamburger{display:flex}
  .blog-hero{padding-top:calc(var(--nav-h) + 40px);padding-bottom:40px}
  .post-grid,.related .post-grid{grid-template-columns:1fr}
  .article-body{font-size:17px}
  .priority-grid,.content-grid,.stat-row{grid-template-columns:1fr}
  .inline-cta,.cta-inline{padding:26px 22px}
  .inline-cta .btn-cta,.cta-inline .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:500px){
  .nav-inner,.wrap{padding:0 16px}
  .back-btn-wrap,.article-header,.toc,.toc-section,.article-body,.related{padding-left:16px;padding-right:16px}
  .toc-box,.article-body .toc{padding:20px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}