/* blog/styles.css — SubmitX Blog */
:root{
  --orange:#FF6B2C;--orange-h:#e55a1f;--orange-light:#FFF0E5;--orange-200:rgba(255,107,44,.2);
  --ink:#111827;--ink-2:#374151;--muted:#6B7280;--muted-2:#9CA3AF;
  --line:#E5E7EB;--line-2:#F3F4F6;--bg:#F7F8FA;--white:#FFFFFF;
  --green:#16a34a;--green-50:#f0fdf4;
  --shadow-sm:0 1px 3px rgba(0,0,0,.07),0 1px 2px rgba(0,0,0,.05);
  --shadow-md:0 4px 16px rgba(0,0,0,.08),0 2px 6px rgba(0,0,0,.05);
  --shadow-lg:0 12px 40px rgba(0,0,0,.1),0 4px 12px rgba(0,0,0,.06);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{-webkit-font-smoothing:antialiased;background:var(--bg);overflow-x:hidden}
body{font-family:'Inter',system-ui,sans-serif;color:var(--ink);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ─── NAV ─── */
.sx-nav{
  position:sticky;top:0;z-index:100;
  display:flex;align-items:center;gap:24px;
  padding:0 48px;height:64px;
  background:rgba(255,255,255,.95);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.sx-logo{display:flex;align-items:center;text-decoration:none;flex-shrink:0}
.sx-logo img{height:38px;width:auto;display:block}
.sx-li{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;background:#FF6B2C;color:#fff;font-size:14px;font-weight:900;letter-spacing:-.5px;line-height:1;box-shadow:0 3px 10px rgba(255,107,44,.35);flex-shrink:0}
.sx-ln{font-size:18px;font-weight:800;color:#111827;letter-spacing:-.4px;line-height:1;margin-left:10px}
.sx-lx{color:#FF6B2C}
.sx-links{display:flex;gap:2px;list-style:none;margin:0 auto}
.sx-links a{font-size:13.5px;font-weight:500;color:var(--ink-2);padding:6px 12px;border-radius:8px;transition:background .15s,color .15s}
.sx-links a:hover{background:var(--line-2);color:var(--ink)}
.sx-right{display:flex;gap:8px;align-items:center;flex-shrink:0}
.sx-login{font-size:13.5px;font-weight:500;color:var(--ink-2);padding:8px 16px;border-radius:8px;border:1px solid var(--line);transition:border-color .15s}
.sx-login:hover{border-color:#d1d5db}
.sx-cta{font-size:13.5px;font-weight:700;color:#fff;background:var(--orange);padding:8px 18px;border-radius:8px;transition:background .15s;white-space:nowrap}
.sx-cta:hover{background:var(--orange-h)}
.sx-burger{display:none;background:none;border:none;cursor:pointer;padding:8px;color:var(--ink)}

/* ─── BREADCRUMB ─── */
.breadcrumb{max-width:860px;margin:0 auto;padding:16px 24px 0;font-size:13px;color:var(--muted);display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.breadcrumb a{color:var(--muted);transition:color .15s}
.breadcrumb a:hover{color:var(--orange)}
.breadcrumb .sep{color:var(--muted-2)}

/* ─── ARTICLE HEADER ─── */
.article-header{background:var(--white);border-bottom:1px solid var(--line);padding:48px 24px 40px}
.article-header-inner{max-width:860px;margin:0 auto}
.article-tag{display:inline-flex;align-items:center;gap:6px;background:var(--orange-light);color:var(--orange);font-size:11.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;padding:5px 12px;border-radius:99px;margin-bottom:18px}
.article-header h1{font-size:clamp(26px,3.5vw,44px);font-weight:800;letter-spacing:-0.03em;line-height:1.1;color:var(--ink);margin-bottom:18px;max-width:780px}
.article-intro{font-size:17px;color:var(--muted);line-height:1.65;max-width:680px;margin-bottom:24px}
.article-meta{display:flex;align-items:center;gap:16px;font-size:13px;color:var(--muted-2);flex-wrap:wrap}
.article-meta .dot{width:4px;height:4px;background:var(--muted-2);border-radius:50%}

/* ─── ARTICLE BODY ─── */
.article-wrap{max-width:860px;margin:0 auto;padding:48px 24px 80px;display:grid;grid-template-columns:1fr 280px;gap:48px;align-items:start}
.article-content{min-width:0}
.article-content h2{font-size:clamp(20px,2.5vw,26px);font-weight:700;letter-spacing:-0.02em;margin:40px 0 14px;color:var(--ink);line-height:1.25}
.article-content h2:first-child{margin-top:0}
.article-content h3{font-size:18px;font-weight:600;margin:28px 0 10px;color:var(--ink)}
.article-content p{font-size:15.5px;line-height:1.78;color:var(--ink-2);margin-bottom:18px}
.article-content ul,.article-content ol{padding-left:22px;margin-bottom:18px}
.article-content li{font-size:15.5px;line-height:1.75;color:var(--ink-2);margin-bottom:8px}
.article-content strong{color:var(--ink);font-weight:600}
.article-content a{color:var(--orange);font-weight:500;text-decoration:underline;text-underline-offset:3px}

/* highlight box */
.highlight{background:var(--orange-light);border-left:3px solid var(--orange);border-radius:0 12px 12px 0;padding:16px 20px;margin:28px 0}
.highlight p{color:var(--ink);margin:0;font-size:15px;font-weight:500}

/* comparison table */
.compare{width:100%;border-collapse:collapse;margin:24px 0;border-radius:12px;overflow:hidden;border:1px solid var(--line);font-size:14px}
.compare th{background:#f9fafb;padding:11px 16px;font-size:12px;font-weight:600;text-align:left;border-bottom:1px solid var(--line);color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.compare td{padding:12px 16px;border-bottom:1px solid var(--line-2);color:var(--ink-2)}
.compare tr:last-child td{border-bottom:none}
.compare .good{color:var(--green);font-weight:600}
.compare .bad{color:#dc2626;font-weight:600}
.compare .neutral{color:var(--muted);font-weight:500}

/* step list */
.steps-list{display:flex;flex-direction:column;gap:16px;margin:24px 0}
.step-item{display:flex;gap:16px;align-items:flex-start}
.step-num{width:32px;height:32px;border-radius:50%;background:var(--orange);color:#fff;font-size:13px;font-weight:700;display:grid;place-items:center;flex-shrink:0;margin-top:2px}
.step-item h4{font-size:15.5px;font-weight:600;margin-bottom:4px;color:var(--ink)}
.step-item p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.6}

/* CTA box */
.cta-box{margin:40px 0;background:linear-gradient(135deg,#ff6b1a,#ff5200);border-radius:18px;padding:36px;text-align:center;color:#fff}
.cta-box h3{font-size:22px;font-weight:700;letter-spacing:-0.02em;margin-bottom:10px}
.cta-box p{font-size:15px;color:rgba(255,255,255,.88);margin-bottom:24px}
.cta-box a{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--orange);font-weight:700;font-size:15px;padding:13px 26px;border-radius:11px;box-shadow:0 8px 24px rgba(0,0,0,.15);transition:transform .15s}
.cta-box a:hover{transform:translateY(-2px)}

/* ─── SIDEBAR ─── */
.article-sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:84px}
.sidebar-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow-sm)}
.sidebar-card h4{font-size:13px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.toc-list{list-style:none;display:flex;flex-direction:column;gap:2px}
.toc-list a{font-size:13.5px;color:var(--ink-2);padding:6px 10px;border-radius:8px;display:block;transition:background .15s,color .15s;line-height:1.4}
.toc-list a:hover{background:var(--line-2);color:var(--orange)}
.sidebar-cta{background:linear-gradient(160deg,#ff6b1a,#ff5200);border-radius:16px;padding:22px;text-align:center;color:#fff}
.sidebar-cta p{font-size:13px;color:rgba(255,255,255,.85);margin-bottom:14px;line-height:1.5}
.sidebar-cta a{display:block;background:#fff;color:var(--orange);font-weight:700;font-size:13.5px;padding:11px 16px;border-radius:10px;transition:transform .15s}
.sidebar-cta a:hover{transform:translateY(-1px)}

/* ─── RELATED ARTICLES ─── */
.related{max-width:860px;margin:0 auto;padding:0 24px 80px}
.related h3{font-size:22px;font-weight:700;margin-bottom:20px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.related-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:20px;transition:transform .15s,box-shadow .15s;display:flex;flex-direction:column;gap:8px}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.related-card .tag{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--orange)}
.related-card h4{font-size:15px;font-weight:600;line-height:1.4;color:var(--ink)}
.related-card p{font-size:13px;color:var(--muted);line-height:1.5}

/* ─── BLOG INDEX ─── */
.blog-hero{background:var(--white);border-bottom:1px solid var(--line);padding:64px 24px 48px;text-align:center}
.blog-hero .eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--orange);background:var(--orange-light);padding:6px 14px;border-radius:99px;margin-bottom:18px}
.blog-hero h1{font-size:clamp(28px,4vw,52px);font-weight:800;letter-spacing:-0.035em;line-height:1.05;max-width:700px;margin:0 auto 16px}
.blog-hero p{font-size:17px;color:var(--muted);max-width:560px;margin:0 auto}
.blog-grid-wrap{max-width:1080px;margin:0 auto;padding:56px 24px 80px}
.blog-featured{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:36px 40px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-bottom:40px;transition:box-shadow .2s}
.blog-featured:hover{box-shadow:var(--shadow-lg)}
.blog-featured .tag{font-size:12px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--orange);margin-bottom:12px}
.blog-featured h2{font-size:clamp(20px,2.5vw,30px);font-weight:800;letter-spacing:-0.025em;line-height:1.2;margin-bottom:14px}
.blog-featured p{font-size:15px;color:var(--muted);line-height:1.65;margin-bottom:20px}
.blog-featured .read-more{display:inline-flex;align-items:center;gap:6px;color:var(--orange);font-weight:600;font-size:14px}
.blog-featured .read-more svg{width:14px;height:14px;transition:transform .15s}
.blog-featured:hover .read-more svg{transform:translateX(3px)}
.blog-featured-visual{background:linear-gradient(135deg,#fff5ee,#ffe8d6);border-radius:16px;height:240px;display:flex;align-items:center;justify-content:center;font-size:56px}
.articles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.article-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:10px;transition:transform .15s,box-shadow .15s}
.article-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.article-card .tag{font-size:11.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--orange)}
.article-card h3{font-size:17px;font-weight:700;line-height:1.3;letter-spacing:-0.01em;color:var(--ink)}
.article-card p{font-size:13.5px;color:var(--muted);line-height:1.6;flex:1}
.article-card .meta{font-size:12px;color:var(--muted-2);display:flex;gap:8px;align-items:center;margin-top:auto;padding-top:12px;border-top:1px solid var(--line-2)}

/* ─── FOOTER ─── */
.sx-footer{background:var(--white);border-top:1px solid var(--line);padding:40px 24px;text-align:center}
.sx-footer p{font-size:13px;color:var(--muted)}
.sx-footer a{color:var(--orange);font-weight:500}
.sx-footer-links{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-bottom:16px}
.sx-footer-links a{font-size:13.5px;color:var(--muted);transition:color .15s}
.sx-footer-links a:hover{color:var(--orange)}

/* ─── RESPONSIVE ─── */
@media(max-width:900px){
  .article-wrap{grid-template-columns:1fr;gap:32px}
  .article-sidebar{position:static}
  .blog-featured{grid-template-columns:1fr}
  .blog-featured-visual{display:none}
}
@media(max-width:640px){
  .sx-nav{padding:0 16px}
  .sx-links{display:none}
  .sx-burger{display:flex}
  .article-header{padding:32px 16px 28px}
  .article-wrap{padding:32px 16px 60px}
  .related{padding:0 16px 60px}
}

/* ════ Dark mode (re-points the design tokens + overrides hardcoded white surfaces) ════ */
:root[data-theme="dark"]{
  --ink:#F3F4F6;--ink-2:#cbd5e1;--muted:#9CA3AF;--muted-2:#7b8497;
  --line:#2A2A2A;--line-2:#242424;--bg:#0F0F0F;--white:#161616;
  --orange-light:rgba(255,107,44,.12);--green-50:rgba(34,211,126,.12);
}
:root[data-theme="dark"] .sx-nav{background:rgba(15,15,15,.92)}
:root[data-theme="dark"] .sx-ln{color:#F3F4F6}
:root[data-theme="dark"] .sx-logo img{filter:invert(1) hue-rotate(180deg) saturate(1.15)}
:root[data-theme="dark"] .compare th{background:#1c1c1c}
:root[data-theme="dark"] .blog-featured-visual{background:linear-gradient(135deg,#241a0f,#1a120a)}

/* ════ Preference toggles (blog has its own stylesheet, so define them here too) ════ */
.sx-prefs{display:flex;align-items:center;gap:8px;flex-shrink:0}
.sx-theme-toggle{width:38px;height:38px;border-radius:9px;border:1.5px solid var(--line);background:transparent;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color .15s,background .15s}
.sx-theme-toggle:hover{border-color:var(--muted)}
.sx-theme-toggle svg{width:18px;height:18px;display:block}
.sx-theme-toggle .sx-sun{display:none}
:root[data-theme="dark"] .sx-theme-toggle .sx-moon{display:none}
:root[data-theme="dark"] .sx-theme-toggle .sx-sun{display:block}
.sx-lang-toggle{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:9px;overflow:hidden}
.sx-lang-toggle button{border:none;background:transparent;cursor:pointer;font-family:inherit;font-size:12.5px;font-weight:700;color:var(--muted);padding:8px 11px;line-height:1;transition:background .15s,color .15s}
.sx-lang-toggle button:hover{color:var(--ink)}
.sx-lang-toggle button.active{background:var(--orange);color:#fff}
@media(max-width:640px){.sx-prefs{margin-left:auto;gap:6px}.sx-theme-toggle{width:36px;height:36px}.sx-lang-toggle button{padding:7px 9px}}