:root{--bg:#ffffff;--ink:#0f172a;--muted:#64748b;--accent:#7c3aed;--accent2:#22d3ee;--surface:#ffffff;--border:#e5e7eb;--shadow:0 12px 24px rgba(2,6,23,.06)}
:root[data-theme="dark"]{--bg:#0a0f1a;--ink:#e5e7eb;--muted:#94a3b8;--surface:#0f172a;--border:#1f2937}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);line-height:1.7;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial}
.container{max-width:1120px;margin:0 auto;padding:0 18px}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
img{display:block;max-width:100%;height:auto}

header{position:sticky;top:0;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:70}
:root[data-theme="dark"] header{background:rgba(15,23,42,.92)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:10px 0;gap:10px}
.brand{display:flex;align-items:center;gap:10px}
.brand .logo{height:28px;width:28px}
.brand .name{font-weight:800;line-height:1}
.brand .tag{color:var(--muted);font-size:12px}
.right{display:flex;align-items:center;gap:10px}
.menu{display:flex;gap:12px;align-items:center}
.menu a{font-weight:600}
.btn{display:inline-block;background:linear-gradient(120deg,var(--accent),#f59e0b);color:#fff;padding:10px 14px;border-radius:12px;font-weight:700;box-shadow:var(--shadow);border:none}
.btn.secondary{background:#111827;color:#fff}

.hamburger{display:none;border:none;background:#111827;color:#fff;border-radius:12px;padding:10px 12px;font-weight:800}
@media(max-width:820px){.menu,.cta-desktop{display:none}.hamburger{display:block}}

.drawer{position:fixed;top:0;right:-100%;bottom:0;width:86%;max-width:420px;background:var(--surface);border-left:1px solid var(--border);box-shadow:var(--shadow);z-index:90;transition:right .25s ease}
.drawer.open{right:0}
.backdrop{position:fixed;inset:0;background:rgba(0,0,0,.45);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:80}
.backdrop.show{opacity:1;pointer-events:auto}
.drawer .head{display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid var(--border)}
.drawer .links{display:grid;gap:6px;padding:14px}
.drawer .links a{display:block;padding:12px;border-radius:12px;border:1px solid var(--border);background:#f8fafc}
:root[data-theme="dark"] .drawer .links a{background:#0f172a}

.theme{display:flex;align-items:center;gap:8px}
.switch{position:relative;width:54px;height:28px;background:#111827;border-radius:999px;cursor:pointer;box-shadow:inset 0 0 0 2px rgba(0,0,0,.05)}
.switch .dot{position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:transform .2s ease}
:root[data-theme="dark"] .switch{background:#fde68a}:root[data-theme="dark"] .switch .dot{transform:translateX(26px)}

.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;padding:16px 0 6px}
.hero h1{font-size:36px;line-height:1.15;margin:0 0 8px}
.hero p{font-size:17px;color:var(--muted)}
.carousel{position:relative;overflow:hidden;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);margin:10px 0}
.slide{display:none}.slide.active{display:block}
.slide img{width:100%;height:auto;display:block}
.slide .cap{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(180deg,rgba(0,0,0,0.10) 0,rgba(0,0,0,0.75) 65%,rgba(0,0,0,0.90) 100%);color:#fff;padding:18px}
.slide .cap h2,.slide .cap a,.slide .cap .btn{text-shadow:0 2px 8px rgba(0,0,0,.5)}
.carousel .dots{position:absolute;left:0;right:0;bottom:8px;display:flex;gap:6px;justify-content:center}
.dot{width:10px;height:10px;border-radius:999px;background:#e5e7eb;border:1px solid #111827;opacity:.8}.dot.active{background:#7c3aed;opacity:1}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow)}.card .inner{padding:14px}
.kicker{text-transform:uppercase;letter-spacing:.18em;font-size:12px;color:var(--accent2);font-weight:800}
.meta{font-size:13px;color:var(--muted)}

.prose p{margin:1em 0}.prose h2{margin-top:1.1em}ul,ol{padding-left:1.25rem}
.callout{border-left:4px solid #22d3ee;background:#ecfeff;padding:10px 12px;border-radius:10px}
.tip{border-left:4px solid #16a34a;background:#ecfdf5}.warn{border-left:4px solid #f59e0b;background:#fffbeb}
.post-layout{display:grid;grid-template-columns:1fr 320px;gap:22px}.sidebar{position:sticky;top:86px;height:fit-content}

footer{margin-top:48px;border-top:1px solid var(--border)}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px;padding:22px 0}
footer ul{list-style:none;margin:0;padding:0}footer li{margin:8px 0}
footer .brand-mini{display:flex;align-items:center;gap:10px}
footer .copy{padding:12px 0;color:#64748b;font-size:13px;border-top:1px solid var(--border)}

@media(max-width:820px){
  .container{padding:0 14px}
  .brand .tag{display:none}
  .hero{grid-template-columns:1fr;gap:12px}
  .hero h1{font-size:24px}
  .grid{grid-template-columns:1fr}
  .post-layout{grid-template-columns:1fr}.sidebar{position:static}
  footer .cols{grid-template-columns:1fr;gap:10px}
}

/* Cookie banner */
.cookie-banner{position:fixed;left:12px;right:12px;bottom:12px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:14px;z-index:120;display:none}
.cookie-banner.show{display:block}
.cookie-inner{padding:14px;display:grid;gap:10px}
.cookie-actions{display:flex;gap:10px;flex-wrap:wrap}
.cookie-actions .btn{padding:10px 12px;border-radius:10px}


/* v5.0.1 aesthetic polish */
:root{--ink:#0b1220;--ink-soft:#334155;--ink-muted:#9fb3d9;--surf:#0e182c;--border:#1f2b4a;--grad1:#5b8def;--grad2:#a78bfa}
body{font-feature-settings:"kern","liga","ss01";}
.container.narrow{max-width:840px}
.prose{font-size:18px}
.prose h1{font-size:34px;margin:.2em 0 .2em}
.prose h2{font-size:24px;margin:1.2em 0 .4em}
.prose p{color:#e6eefc;line-height:1.85;margin:1em 0}
.prose li{margin:.4em 0}
.prose blockquote{font-style:italic}
.post-head{margin:14px 0 20px;border:1px solid var(--border);border-radius:16px;overflow:hidden;background:linear-gradient(135deg,rgba(91,141,239,.15),rgba(167,139,250,.12))}
.post-head .inner{padding:18px}
.meta-bar{display:flex;gap:14px;align-items:center;color:var(--ink-muted);font-size:14px}
.kicker.badge{background:#0f1b2f;color:#99b7ff;border:1px solid var(--border)}
.prose figure{margin:14px 0;border-radius:16px;overflow:hidden;border:1px solid var(--border)}
.pullquote{font-size:18px;background:#0f1b2f;border-left:4px solid #60a5fa;margin:16px 0;padding:12px 14px;border-radius:12px}
.tip{background:#0f1b2f;border-left:4px solid #10b981;padding:12px 14px;border-radius:12px;margin:16px 0}
hr.soft{border:none;border-top:1px solid var(--border);margin:20px 0}
/* headings accent underline */
.prose h2{position:relative;padding-bottom:6px}
.prose h2:after{content:"";position:absolute;left:0;bottom:0;width:64px;height:2px;background:linear-gradient(90deg,var(--grad1),var(--grad2));border-radius:2px}

/* v5.0.4 layout polish */
main.container, .container { padding-bottom: 32px; }
.prose { max-width: 860px; margin: 0 auto; line-height: 1.85; font-size: 18px; }
.prose img { max-width: 100%; height: auto; }
footer { margin-top: 36px; }

/* v5.0.5 Featured carousel */
#featured{margin-top:18px}
.featured-wrap{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center}
.featured-viewport{overflow:hidden}
.featured-row{display:flex;gap:14px;overflow:auto;scroll-behavior:smooth}
.feat-card{min-width:280px;max-width:320px;background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow)}
.feat-cover img{width:100%;height:auto;display:block;border-top-left-radius:16px;border-top-right-radius:16px}
.feat-body{padding:12px}
.feat-btn{background:#0e182c;border:1px solid var(--border);color:#e6eefc;border-radius:10px;padding:8px 12px;cursor:pointer}
@media(max-width:840px){
  .feat-card{min-width:78vw}
  .feat-btn{display:none}
}


/* --- Upgrades for post pages & cards --- */
.post{max-width:760px;margin:40px auto;padding:0 4px}
.post h1{font-size:2rem;line-height:1.2;margin:0 0 8px}
.post .meta{color:var(--muted);font-size:.95rem;margin:0 0 24px}
.post p{font-size:1.05rem;margin:16px 0}
.post h2{font-size:1.35rem;margin:28px 0 8px}

.post-list{padding:24px 0}
.post-list .grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
@media(max-width:840px){.post-list .grid{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:18px;display:flex;flex-direction:column;gap:10px}
.card h2{font-size:1.25rem;margin:0 0 6px}
.card .excerpt{color:var(--muted);margin:0 0 8px}
.btn{display:inline-block;border:1px solid var(--border);padding:8px 12px;border-radius:10px;text-decoration:none}
.btn:hover{border-color:var(--accent)}

.row{border-bottom:1px solid var(--border);padding:14px 4px}
.row:last-child{border-bottom:none}


/* --- Homepage Hero --- */
.hero{padding:40px 0 20px; text-align:center}
.hero h1{font-size:2.2rem;margin:0 0 6px}
.hero .tagline{color:var(--muted);font-size:1.1rem;margin:0}

/* --- Article Cards Grid --- */
.post-list{padding:24px 0}
.post-list .grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media(max-width:1024px){.post-list .grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.post-list .grid{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:18px;display:flex;flex-direction:column;gap:10px}
.card h2{font-size:1.2rem;margin:0 0 6px}
.card .excerpt{color:var(--muted);margin:0 0 8px}
.btn{display:inline-block;border:1px solid var(--border);padding:8px 12px;border-radius:10px;text-decoration:none}
.btn:hover{border-color:var(--accent)}

/* --- Post page --- */
.post{max-width:780px;margin:40px auto;padding:0 4px}
.post h1{font-size:2rem;line-height:1.2;margin:0 0 8px}
.post .meta{color:var(--muted);font-size:.95rem;margin:0 0 24px}
.post p{font-size:1.05rem;margin:16px 0}
.post h2{font-size:1.35rem;margin:28px 0 8px}
.interlinks{border-top:1px solid var(--border);margin-top:24px;padding-top:12px}
.interlinks h3{margin:0 0 8px;font-size:1.1rem}

/* --- All posts list --- */
.row{border-bottom:1px solid var(--border);padding:14px 4px}
.row:last-child{border-bottom:none}

/* --- Tools grid (if exists) --- */
.tools-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media(max-width:900px){.tools-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.tools-grid{grid-template-columns:1fr}}
.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:16px}
.tool-card h3{margin:0 0 6px;font-size:1.1rem}
.tool-card p{margin:0;color:var(--muted)}


/* Search */
.search{padding:10px 0 0}
.searchbox{max-width:780px;margin:0 auto;padding:0 18px}
.searchbox input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:12px;font-size:1rem;outline:none}
.searchbox input:focus{border-color:var(--accent)}

/* Tweak hero spacing */
.hero{padding:36px 0 16px}

/* Ensure grid adapts */
@media(min-width:1200px){.post-list .grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:1199px){.post-list .grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.post-list .grid{grid-template-columns:1fr}}


/* Hero section */
.hero{padding:60px 20px;text-align:center;background:linear-gradient(135deg,#f8f9fa,#ffffff);margin-bottom:20px}
.hero-inner{max-width:800px;margin:0 auto}
.hero h1{font-size:2.5rem;margin-bottom:10px}
.hero .tagline{font-size:1.2rem;color:#555}

/* Search bar */
.searchbox{max-width:600px;margin:20px auto}
.searchbox input{width:100%;padding:14px 16px;border:1px solid var(--border);border-radius:30px;font-size:1rem;outline:none;box-shadow:0 2px 4px rgba(0,0,0,0.05)}
.searchbox input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,123,255,.2)}

/* Center articles */
.post-list .grid{justify-items:center}
.post-list .card{max-width:360px}

/* Tools grid */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-top:20px}
.tool-card{background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:20px;text-align:left;transition:transform .2s}
.tool-card:hover{transform:translateY(-4px)}
.tool-card h3{margin:0 0 8px;font-size:1.2rem}
.tool-card p{margin:0;font-size:.95rem;color:#555}