/* Blog stylesheet — shares design tokens with index.html so /blog/ feels native to the site. */
:root{
  --ink:#111110;
  --ink-soft:#1c1b17;
  --line-dark:#34322b;
  --stone-on-dark:#b8b4a6;
  --yellow:#ffc629;
  --yellow-deep:#e0a800;
  --paper:#faf9f4;
  --paper-dim:#f1eee3;
  --stone:#65614f;
  --stone-2:#8a8672;
  --line:#e3ded0;
  --font-display:'Archivo',sans-serif;
  --font-body:'IBM Plex Sans',sans-serif;
  --font-mono:'IBM Plex Mono',monospace;
  --nav-h:76px;
  --radius:14px;
  --radius-sm:8px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.15;margin:0;letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font:inherit;cursor:pointer;background:none;border:none;color:inherit;}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px;}
@media (max-width:760px){.wrap{padding:0 20px;}}

.eyebrow{
  font-family:var(--font-mono);
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--stone-2);
  display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:'';width:22px;height:1px;background:var(--yellow-deep);flex:none;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-weight:600;font-size:.85rem;
  letter-spacing:.03em;text-transform:uppercase;
  padding:15px 26px;border-radius:999px;
  white-space:nowrap;text-decoration:none;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn-primary{background:var(--yellow);color:var(--ink);}
.btn-primary:hover{background:var(--ink);color:var(--yellow);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line);}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px);}
.btn:focus-visible, a:focus-visible, summary:focus-visible, button:focus-visible{
  outline:2.5px solid var(--yellow-deep);outline-offset:3px;
}

/* ---------- nav (shared with homepage) ---------- */
header{
  position:sticky;top:0;z-index:100;
  background:rgba(250,249,244,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;}
.mark{width:38px;height:38px;border-radius:9px;flex:none;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-family:var(--font-display);font-weight:800;font-size:.95rem;}
.brand-text span{font-family:var(--font-mono);font-size:.65rem;letter-spacing:.12em;color:var(--stone-2);text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:36px;}
.nav-links a{font-size:.92rem;font-weight:500;text-decoration:none;color:var(--ink);position:relative;}
.nav-links a::after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--yellow-deep);transform:scaleX(0);transition:transform .2s ease;}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a[aria-current="page"]::after{transform:scaleX(1);}
.nav-cta{display:flex;align-items:center;gap:18px;}
.nav-cta .btn{padding:11px 20px;}
.lang-switch{
  font-family:var(--font-mono);font-size:.78rem;font-weight:600;letter-spacing:.05em;
  color:var(--stone);text-decoration:none;border:1.5px solid var(--line);border-radius:999px;
  padding:8px 14px;transition:border-color .18s ease, color .18s ease;
}
.lang-switch:hover{border-color:var(--ink);color:var(--ink);}
.mobile-panel a.lang-switch-mobile{font-family:var(--font-mono) !important;font-size:.85rem !important;font-weight:600 !important;color:var(--stone) !important;}
.burger{display:none;width:40px;height:40px;border-radius:8px;align-items:center;justify-content:center;}
.burger span{display:block;width:20px;height:2px;background:var(--ink);position:relative;}
.burger span::before,.burger span::after{content:'';position:absolute;left:0;width:20px;height:2px;background:var(--ink);transition:transform .2s ease;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.mobile-panel{display:none;}

@media (max-width:900px){
  .nav-links{display:none;}
  .nav-cta .btn{display:none;}
  .burger{display:flex;}
  body.nav-open .mobile-panel{
    display:flex;position:fixed;top:var(--nav-h);right:0;bottom:0;left:0;background:var(--paper);
    flex-direction:column;padding:32px 24px;gap:26px;z-index:99;overflow-y:auto;height:calc(100vh - var(--nav-h));
  }
  body.nav-open .mobile-panel a{font-family:var(--font-display);font-size:1.5rem;font-weight:700;text-decoration:none;color:var(--ink);}
  body.nav-open .burger span{background:transparent;}
  body.nav-open .burger span::before{transform:translateY(6px) rotate(45deg);}
  body.nav-open .burger span::after{transform:translateY(-6px) rotate(-45deg);}
  body.nav-open{overflow:hidden;}
}

/* ---------- footer (shared) ---------- */
footer{padding:44px 0;border-top:1px solid var(--line);}
.foot-row{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;}
.foot-brand{display:flex;align-items:center;gap:12px;font-family:var(--font-mono);font-size:.78rem;color:var(--stone-2);}
.foot-links{display:flex;gap:26px;flex-wrap:wrap;}
.foot-links a{font-family:var(--font-mono);font-size:.78rem;color:var(--stone);text-decoration:none;}
.foot-links a:hover{color:var(--ink);}
.foot-meta{font-family:var(--font-mono);font-size:.72rem;color:var(--stone-2);letter-spacing:.04em;}

/* ---------- blog: shared page shell ---------- */
.blog-hero{padding:64px 0 48px;border-bottom:1px solid var(--line);}
.blog-hero h1{font-size:clamp(2.1rem,5vw,3.2rem);margin-top:16px;max-width:20ch;}
.blog-hero p{margin-top:18px;color:var(--stone);font-size:1.08rem;max-width:56ch;}
.breadcrumbs{font-family:var(--font-mono);font-size:.76rem;color:var(--stone-2);display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:8px;}
.breadcrumbs a{color:var(--stone-2);text-decoration:none;}
.breadcrumbs a:hover{color:var(--ink);}
.breadcrumbs span{color:var(--stone-2);}

/* ---------- blog: index / listing ---------- */
.blog-list{padding:64px 0 108px;}
.blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
@media (max-width:760px){.blog-grid{grid-template-columns:1fr;}}
.blog-card{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:var(--paper);text-decoration:none;display:flex;flex-direction:column;gap:14px;transition:border-color .2s ease, transform .2s ease;}
.blog-card:hover{border-color:var(--ink);transform:translateY(-3px);}
.blog-card .card-meta{font-family:var(--font-mono);font-size:.72rem;color:var(--stone-2);letter-spacing:.06em;text-transform:uppercase;display:flex;gap:10px;flex-wrap:wrap;}
.blog-card h2{font-size:1.3rem;color:var(--ink);}
.blog-card .card-desc{color:var(--stone);font-size:.96rem;}
.blog-card .card-tag{display:inline-block;font-family:var(--font-mono);font-size:.68rem;border:1px solid var(--line);border-radius:999px;padding:4px 10px;color:var(--stone);width:fit-content;}
.blog-card .card-read{margin-top:auto;font-family:var(--font-mono);font-size:.78rem;color:var(--yellow-deep);font-weight:600;}
.blog-empty{border:1px dashed var(--line);border-radius:var(--radius);padding:56px 32px;text-align:center;color:var(--stone);}
.blog-empty p{max-width:44ch;margin:0 auto;}

/* ---------- blog: article page ---------- */
.article{padding:56px 0 100px;}
.article-wrap{max-width:720px;margin:0 auto;padding:0 28px;}
@media (max-width:760px){.article-wrap{padding:0 20px;}}
.article-meta{font-family:var(--font-mono);font-size:.78rem;color:var(--stone-2);display:flex;gap:14px;flex-wrap:wrap;margin-top:18px;}
.article-meta a{text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:2px;transition:color .2s ease,text-decoration-color .2s ease;}
.article-meta a:hover{color:var(--ink);text-decoration-color:var(--ink);}
.article-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;}
.article-tags span{font-family:var(--font-mono);font-size:.68rem;border:1px solid var(--line);border-radius:999px;padding:4px 10px;color:var(--stone);}
.article-hero-img{margin-top:32px;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/9;background:var(--paper-dim);}
.article-hero-img img{width:100%;height:100%;object-fit:cover;}
.article-body{margin-top:40px;font-size:1.08rem;color:var(--ink-soft);}
.article-body h2{font-size:1.5rem;margin-top:44px;}
.article-body h3{font-size:1.2rem;margin-top:32px;}
.article-body p{margin-top:18px;line-height:1.75;}
.article-body p:first-of-type{margin-top:0;}
.article-body ul,.article-body ol{margin-top:18px;padding-left:22px;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-top:8px;line-height:1.7;}
.article-body a{color:var(--yellow-deep);text-decoration:underline;text-underline-offset:3px;}
.article-body blockquote{margin:28px 0;padding:4px 0 4px 22px;border-left:3px solid var(--yellow);color:var(--stone);font-style:italic;}
.article-body strong{color:var(--ink);}
.article-body code{font-family:var(--font-mono);font-size:.9em;background:var(--paper-dim);padding:2px 6px;border-radius:4px;}
.table-scroll{margin-top:28px;overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-sm);}
.article-body .compare-table{width:100%;border-collapse:collapse;font-size:.94rem;min-width:520px;}
.article-body .compare-table th,.article-body .compare-table td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top;}
.article-body .compare-table tr:last-child td{border-bottom:none;}
.article-body .compare-table th{font-family:var(--font-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--stone-2);font-weight:600;background:var(--paper-dim);}
.article-body .compare-table td:first-child{font-weight:600;color:var(--ink);white-space:nowrap;}

.article-cta{margin-top:56px;background:var(--ink);color:var(--paper);border-radius:var(--radius);padding:44px 36px;text-align:center;}
.article-cta h3{font-size:1.5rem;color:var(--paper);max-width:22ch;margin:0 auto;}
.article-cta p{margin-top:12px;color:var(--stone-on-dark);font-size:.98rem;max-width:44ch;margin-left:auto;margin-right:auto;}
.article-cta .btn{margin-top:22px;}

.article-back{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);}
.article-back a{font-family:var(--font-mono);font-size:.82rem;color:var(--stone);text-decoration:none;}
.article-back a:hover{color:var(--ink);}

section[id]{scroll-margin-top:var(--nav-h);}