*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;background:#fff;color:#1a1a1a;line-height:1.6}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:100%;object-fit:cover}
button{cursor:pointer;background:none;border:none;padding:0}

.wrap{max-width:90%;margin:0 auto;padding:0 16px}
@media(min-width:1200px){.wrap{max-width:1100px}}

/* ---- MENU ---- */
.menu-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.5);z-index:200}
.menu-overlay.open{display:block}
.menu-drawer{position:fixed;top:0;left:-320px;width:300px;height:100vh;background:#fff;z-index:201;overflow-y:auto;transition:left 0.25s ease;padding:20px 24px 40px}
.menu-drawer.open{left:0}
.menu-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid #e5e5e5;margin-bottom:8px}
.menu-logo{font-size:28px;font-weight:700;letter-spacing:-1px;font-family:Georgia,serif;color:#0a0a0a}
.menu-close{font-size:22px;color:#1a1a1a}
.menu-nav{list-style:none;margin-bottom:8px}
.menu-nav li{border-bottom:1px solid #f0f0f0}
.menu-nav-link{display:block;padding:14px 0;font-size:18px;font-weight:400;color:#0a0a0a}
.menu-divider{height:1px;background:#e5e5e5;margin:16px 0}
.menu-social{display:flex;gap:12px;align-items:center;margin-bottom:8px}
.rss-btn,.newsletter-btn{display:inline-flex;align-items:center;gap:6px;border:1px solid #e5e5e5;border-radius:999px;padding:7px 14px;font-size:13px;font-weight:500;color:#1a1a1a}
.menu-footer-links{list-style:none}
.menu-footer-links li{padding:8px 0;border-bottom:1px solid #f8f8f8}
.menu-footer-links a{font-size:14px;color:#555}
.menu-copyright{margin-top:20px;font-size:12px;color:#999}

/* ---- HEADER ---- */
.site-header{background:#0a0a0a;position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 0}
.hamburger{color:#fff;font-size:22px}
.search-icon{color:#fff;font-size:20px}
.masthead{text-align:center;flex:1}
.masthead-main{font-size:48px;font-weight:700;letter-spacing:-2px;line-height:1;color:#fff;display:block;font-family:Georgia,serif}
.letter-ai{color:#d8d8d8}
.masthead-divider{display:flex;align-items:center;justify-content:center;gap:8px;margin:4px 0}
.divider-line{height:1px;width:36px;background:#444}
.masthead-sub{font-size:13px;font-weight:500;color:#fff;letter-spacing:0.5px}
.category-pills{display:flex;justify-content:center;flex-wrap:wrap;gap:0;padding:8px 16px}
.pill{font-size:11px;color:#888;padding:2px 0}
.pill-dot{color:#555;margin:0 5px;font-size:11px}
.pill:hover{color:#fff}

.site-header-slim .header-inner{padding:12px 16px}
.masthead-sm{font-size:26px;font-weight:700;letter-spacing:-1px;color:#fff;font-family:Georgia,serif}

/* ---- HERO ---- */
.hero-card{background:#0a0a0a}
.hero-img{position:relative;height:260px;overflow:hidden}
.hero-img img{width:100%;height:100%;object-fit:cover}
.hero-body{background:#fff;border-radius:0 0 12px 12px;padding:16px;margin:0 16px 16px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:12px}
.hero-headline{font-size:18px;font-weight:700;line-height:1.3;color:#0a0a0a;font-family:Georgia,serif}
.hero-headline:hover{text-decoration:underline}
.hero-excerpt{font-size:13px;color:#555;line-height:1.6}
.hero-footer{display:flex;align-items:center;justify-content:space-between;padding-top:10px;border-top:1px solid #f0f0f0}

/* ---- BADGES ---- */
.cat-badge{position:absolute;top:12px;left:12px;background:rgba(10,10,10,0.72);color:#fff;font-size:10px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;padding:5px 12px;border-radius:999px;border:1.5px solid rgba(255,255,255,0.35)}
.cat-badge-sm{position:absolute;top:8px;left:8px;background:rgba(10,10,10,0.72);color:#fff;font-size:9px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;padding:3px 9px;border-radius:999px;border:1.5px solid rgba(255,255,255,0.35)}

/* ---- SHARE ---- */
.share-row{display:flex;align-items:center;gap:10px}
.share-btn{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:700;flex-shrink:0}
.share-x{background:#0a0a0a}
.share-fb{background:#1877f2}
.share-label{font-size:12px;color:#999;margin-left:4px}
.share-row-sm{display:flex;gap:6px;align-items:center}
.share-btn-sm{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px;font-weight:700;flex-shrink:0}
.card-date{font-size:11px;color:#999;font-weight:600;letter-spacing:0.5px}
.card-date-sm{font-size:10px;color:#999;font-weight:600;margin-left:auto}

/* ---- SECONDARY CARDS ---- */
.sec-cards{display:flex;flex-direction:column;gap:12px}
.sec-card{background:#fff;border-radius:12px;overflow:hidden;border:1px solid #f0f0f0}
.sec-card-inner{display:grid;grid-template-columns:140px 1fr}
.sec-img-wrap{position:relative;height:160px;display:block;flex-shrink:0}
.sec-img-wrap img{width:100%;height:100%;object-fit:cover}
.sec-card-body{padding:12px;display:flex;flex-direction:column;justify-content:space-between}
.sec-card-cat{font-size:9px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:#1a3a6e;margin-bottom:4px}
.sec-card-headline{font-size:14px;font-weight:700;line-height:1.3;color:#0a0a0a;margin-bottom:6px}
.sec-card-headline:hover{text-decoration:underline}
.sec-card-excerpt{font-size:12px;color:#666;line-height:1.4;margin-bottom:8px}
.sec-card-footer{display:flex;align-items:center;gap:6px}

/* ---- HOME GRID ---- */
.main-content{padding-bottom:48px;background:#fff}
.home-grid{display:flex;flex-direction:column;gap:0;padding-top:0}
.home-main{flex:1}
.home-sidebar{padding-top:16px}
.sidebar-label{font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;padding:10px 0;border-bottom:2px solid #0a0a0a;margin-bottom:0;color:#0a0a0a}

/* ---- WORLD AI ---- */
.world-item{padding:14px 0;border-bottom:1px solid #f0f0f0}
.world-item:last-child{border-bottom:none}
.world-item-cat{font-size:10px;color:#1a3a6e;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:3px}
.world-item-headline{font-size:14px;font-weight:600;line-height:1.3;color:#0a0a0a;display:block;margin-bottom:4px}
.world-item-headline:hover{text-decoration:underline}
.world-item-desc{font-size:12px;color:#666;line-height:1.5;margin-bottom:4px}
.world-item-link{font-size:11px;color:#1a3a6e;font-weight:500}
.world-ai-list{padding:0}
.world-list-item{padding:20px 0;border-bottom:1px solid #f0f0f0;max-width:720px}
.world-list-item:last-child{border-bottom:none}
.world-list-meta{font-size:11px;color:#999;margin-bottom:4px}
.world-list-headline{font-size:20px;font-weight:700;line-height:1.3;color:#0a0a0a;display:block;margin-bottom:8px;font-family:Georgia,serif}
.world-list-headline:hover{text-decoration:underline}
.world-list-desc{font-size:14px;color:#555;line-height:1.6;margin-bottom:8px}

/* ---- MIAMI AI 50 ---- */
.miami50{background:#f8f8f8;border-top:1px solid #e5e5e5;border-bottom:1px solid #e5e5e5;padding:24px;text-align:center;margin:24px 0}
.miami50-eye{font-size:10px;letter-spacing:2px;text-transform:uppercase;color:#999;margin-bottom:6px}
.miami50-title{font-size:22px;font-weight:700;margin-bottom:6px;color:#0a0a0a;font-family:Georgia,serif}
.miami50-sub{font-size:14px;color:#555;margin-bottom:14px}
.miami50-btn{font-size:13px;color:#1a3a6e;font-weight:600}

/* ---- CAT PAGE ---- */
.cat-header{font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;padding:20px 0 12px;border-bottom:2px solid #0a0a0a;margin-bottom:16px}
.no-posts{color:#999;font-size:14px;padding:24px 0}

/* ---- POST PAGE ---- */
.post-wrap{padding:24px 0 64px;max-width:720px}
.breadcrumb{font-size:12px;color:#1a3a6e;font-weight:600;letter-spacing:1px;text-transform:uppercase;margin-bottom:12px}
.breadcrumb a{color:#1a3a6e}
.post-title{font-size:28px;font-weight:800;line-height:1.2;color:#0a0a0a;margin-bottom:12px;font-family:Georgia,serif}
.post-excerpt-lede{font-size:17px;color:#444;line-height:1.6;margin-bottom:14px}
.post-meta{font-size:12px;color:#999;margin-bottom:20px;display:flex;align-items:center;gap:6px}
.meta-dot{color:#ddd}
.post-hero-wrap{position:relative;border-radius:12px;overflow:hidden;margin-bottom:20px}
.post-hero-img{width:100%;height:260px;object-fit:cover;border-radius:12px}
.post-body{font-size:17px;line-height:1.8;color:#222;margin-top:20px}
.post-body h2{font-size:20px;font-weight:700;margin:28px 0 12px;color:#0a0a0a;font-family:Georgia,serif}
.post-body h3{font-size:17px;font-weight:700;margin:20px 0 8px}
.post-body p{margin-bottom:18px}
.post-body a{color:#1a3a6e;text-decoration:underline}
.post-body ul,.post-body ol{margin:0 0 18px 24px}
.post-body li{margin-bottom:6px}
.post-body strong{font-weight:700}
.post-body hr{border:none;border-top:1px solid #e5e5e5;margin:32px 0}
.world-body{font-size:16px}
.back-link{display:inline-block;margin-top:32px;padding-top:20px;border-top:1px solid #f0f0f0;width:100%;font-size:13px;color:#1a3a6e}

/* ---- FOOTER ---- */
.site-footer{background:#0a0a0a;padding:24px 0;margin-top:48px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.footer-brand{font-size:13px;font-weight:700;color:#fff;font-family:Georgia,serif}
.footer-links{display:flex;gap:20px}
.footer-links a{font-size:12px;color:#888}
.footer-links a:hover{color:#fff}
.footer-copy{font-size:12px;color:#666}

/* ---- DESKTOP ---- */
@media(min-width:768px){
  .masthead-main{font-size:64px}
  .hero-img{height:360px}
  .hero-body{margin:0 0 24px;border-radius:0 0 16px 16px}
  .hero-headline{font-size:24px}
  .hero-grid{gap:20px}
  .sec-card-inner{grid-template-columns:180px 1fr}
  .sec-img-wrap{height:180px}
  .home-grid{flex-direction:row;gap:32px;padding-top:24px}
  .home-main{flex:1;min-width:0}
  .home-sidebar{width:300px;flex-shrink:0}
  .post-title{font-size:36px}
  .post-hero-img{height:360px}
  .wrap{padding:0 24px}
  .hero-body{margin:0 0 24px}
}