/* Shared stylesheet for the MyPDFCrop blog (/blog/*.html).
   Header, footer, nav and theme variables are copied from index.html's
   inline stylesheet so the blog matches the main app's look. */

:root{
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
  --bg:#F3F5F8; --surface:#FFFFFF; --ink:#16213A; --muted:#5D6579; --line:#D8DCE5;
  --accent:#0877F9; --accent-ink:#FFFFFF; --accent-soft:#E4F5FF; --ok:#16865A; --warn:#B9412E;
  --checker:#C9CED8; --checker2:#E4E7EE;
  --radius:8px;
}
html{scroll-padding-top:env(safe-area-inset-top,0px);height:100%}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font-family:"IBM Plex Sans",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
button:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- site header ---------- */
.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site .in{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:20px;padding:0 24px;height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:18px;letter-spacing:-.01em;text-decoration:none;color:var(--ink)}
.brand .mark{width:30px;height:30px;display:block;object-fit:contain;flex:0 0 30px}
.nav{display:flex;gap:2px;margin-left:auto}
.nav a{text-decoration:none;color:var(--muted);font-weight:500;padding:8px 12px;border-radius:6px;position:relative}
.nav a:hover{color:var(--ink);background:var(--bg)}
.nav a[aria-current="page"]{color:var(--accent)}
.nav a[aria-current="page"]::after{content:"";position:absolute;left:12px;right:12px;bottom:-14px;height:2px;background:var(--accent)}
.navtoggle{display:none;width:44px;height:44px;flex:0 0 44px;margin-left:auto;border:1px solid var(--line);border-radius:8px;background:var(--surface);align-items:center;justify-content:center}
.navtoggle span,.navtoggle span::before,.navtoggle span::after{content:"";display:block;width:20px;height:2px;background:var(--ink);position:relative;transition:transform .2s,opacity .2s}
.navtoggle span::before{position:absolute;top:-6px;left:0}
.navtoggle span::after{position:absolute;top:6px;left:0}
.navtoggle[aria-expanded="true"] span{background:transparent}
.navtoggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.navtoggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
@media (max-width:900px){
  .navtoggle{display:flex}
  .brand img{height:48px}
  .nav{position:absolute;top:100%;left:0;right:0;margin-left:0;flex-direction:column;gap:0;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(16,33,58,.12);max-height:calc(100vh - 60px);overflow:auto;padding:6px;transform:translateY(-6px);opacity:0;pointer-events:none;transition:opacity .15s ease,transform .15s ease}
  .nav.open{opacity:1;transform:none;pointer-events:auto}
  .nav a{width:100%;box-sizing:border-box;padding:12px 14px;border-radius:8px;font-size:15px}
  .nav a[aria-current="page"]::after{display:none}
  .nav a[aria-current="page"]{background:var(--accent-soft)}
}

.wrap{max-width:1180px;margin:0 auto;padding:0 24px}

.cta{display:flex;gap:10px;flex-wrap:wrap}
.cta a{text-decoration:none;display:inline-block;padding:12px 20px;border-radius:8px;font-weight:600;border:1px solid var(--line);color:var(--ink);background:var(--surface)}
.cta a.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.cta a:hover{filter:brightness(1.06)}

/* ---------- footer ---------- */
footer.foot{border-top:1px solid var(--line);padding:26px 0;color:var(--muted);font-size:14px}
footer.foot .footwrap{display:block}
footer.foot .footwrap>div:last-child{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:20px;border-top:1px solid var(--line)}
.footlinks{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px 24px;margin-bottom:4px}
.footlinks h4{margin:0 0 8px;font-size:12px;font-weight:600;color:var(--ink);text-transform:uppercase;letter-spacing:.04em}
.footlinks a{display:block;color:var(--muted);text-decoration:none;font-size:13px;padding:3px 0}
.footlinks a:hover{color:var(--ink);text-decoration:underline}

/* ================= blog-specific ================= */

.breadcrumb{max-width:760px;margin:28px auto 0;padding:0 24px;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--accent);text-decoration:underline}
.breadcrumb span{color:var(--ink)}

/* -- blog index / listing -- */
.bloghero{max-width:760px;margin:0 auto;padding:36px 24px 8px}
.bloghero h1{font-size:clamp(30px,4.6vw,46px);letter-spacing:-.02em;line-height:1.08;font-weight:600;margin:0 0 12px}
.bloghero p{color:var(--muted);font-size:17px;max-width:60ch;margin:0}

.blog-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;max-width:1180px;margin:0 auto;padding:32px 24px 70px}
.post-card{display:flex;flex-direction:column;gap:10px;padding:26px;border:1px solid var(--line);border-radius:14px;background:var(--surface);text-decoration:none;color:inherit}
.post-card:hover{border-color:var(--accent)}
.post-card .meta{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.post-card h2{margin:0;font-size:19px;font-weight:600;line-height:1.3;color:var(--ink)}
.post-card p{margin:0;color:var(--muted);line-height:1.55}
.post-card .go{color:var(--accent);font-weight:600;font-size:14px;margin-top:auto}

/* -- article page -- */
.article{max-width:760px;margin:0 auto;padding:20px 24px 30px}
.article h1{font-size:clamp(28px,4.2vw,42px);letter-spacing:-.02em;line-height:1.1;font-weight:600;margin:0 0 12px}
.byline{color:var(--muted);font-size:14px;margin:0 0 32px}
.article h2{font-size:23px;font-weight:600;letter-spacing:-.01em;margin:36px 0 12px}
.article h3{font-size:18px;font-weight:600;margin:24px 0 8px}
.article p{color:var(--ink);line-height:1.7;margin:0 0 16px}
.article p,.article li{color:var(--ink)}
.article ul,.article ol{padding-left:22px;line-height:1.7;margin:0 0 16px}
.article li{margin-bottom:6px}
.article strong{font-weight:600}
.article a{color:var(--accent);text-decoration:underline}

.callout{display:flex;gap:12px;background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:8px;padding:16px 18px;margin:22px 0;color:var(--ink);line-height:1.6}
.callout p{margin:0;color:var(--ink)}

.cta-block{margin:44px 0 8px;padding:28px;border:1px solid var(--line);border-radius:14px;background:var(--surface);text-align:center}
.cta-block p{margin:0 0 14px;font-weight:600;font-size:16px;color:var(--ink)}
.cta-block .cta{justify-content:center}

.relposts{max-width:760px;margin:40px auto 0;padding:24px 24px 0;border-top:1px solid var(--line)}
.relposts h3{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600;margin:24px 0 14px}
.relposts a{display:block;color:var(--accent);text-decoration:none;font-weight:600;padding:6px 0}
.relposts a:hover{text-decoration:underline}

@media (max-width:480px){
  .wrap{padding:0 16px}
  .brand img{height:40px}
  .article{padding:16px 16px 24px}
  .blog-list{padding:24px 16px 50px}
  .breadcrumb{padding:0 16px}
}