/* AI Pulse — Orange / Green / Light Blue Theme */
/* aienews.org | 2026 */
:root{
  --bg:#f8f9fc;--bg2:#ffffff;
  --orange:#FF6B35;--orange-light:#FF8F65;--orange-bg:rgba(255,107,53,0.08);
  --green:#00C9A7;--green-light:#33D4B8;--green-bg:rgba(0,201,167,0.08);
  --blue:#4DA8DA;--blue-light:#7BC0E8;--blue-bg:rgba(77,168,218,0.08);
  --text:#1a1a2e;--text2:#4a5568;--text3:#a0aec0;
  --card:rgba(255,255,255,0.95);--card-border:rgba(0,0,0,0.06);
  --shadow:0 4px 24px rgba(26,26,46,0.06);--shadow-hover:0 12px 40px rgba(255,107,53,0.12);
  --gradient:linear-gradient(135deg,#FF6B35,#00C9A7);
  --gradient2:linear-gradient(135deg,#FF6B35,#4DA8DA);
  --radius:14px;--radius-sm:10px;
  --font:'Plus Jakarta Sans',system-ui,-apple-system,sans-serif;
  --mono:'JetBrains Mono',monospace;
  --nav-h:60px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased;scroll-behavior:auto}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.65;overflow-x:hidden}

/* Skip link */
.skip-link{position:absolute;top:-40px;left:0;background:var(--orange);color:#fff;padding:8px 16px;z-index:9999;font-weight:600;transition:.2s}.skip-link:focus{top:0}

.container{max-width:1240px;margin:0 auto;padding:0 20px}

/* === NAV === */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.96);border-bottom:1px solid var(--card-border);transition:.3s}
.nav.scrolled{box-shadow:0 2px 20px rgba(0,0,0,0.06)}
.nav-inner{max-width:1240px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:var(--nav-h)}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.logo-mark{width:34px;height:34px}
.logo-mark svg{width:100%;height:100%}
.logo-text{font-size:1.35rem;font-weight:800;letter-spacing:-.5px}
.logo-highlight{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;gap:2px}
.nav-link{font-size:.87rem;font-weight:600;color:var(--text2);text-decoration:none;padding:7px 16px;border-radius:8px;transition:.2s}
.nav-link:hover{color:var(--orange);background:var(--orange-bg)}
.nav-link.active{color:var(--orange);background:var(--orange-bg)}
.nav-right{display:flex;align-items:center;gap:10px}
.search-btn{background:none;border:none;cursor:pointer;color:var(--text2);padding:8px;border-radius:8px;transition:.2s}
.search-btn:hover{color:var(--orange);background:var(--orange-bg)}
.live-badge{display:flex;align-items:center;gap:6px;padding:5px 14px;border-radius:20px;background:var(--green-bg);font-size:.7rem;font-weight:700;letter-spacing:1.2px;color:var(--green)}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--green);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.75)}}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.hamburger span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:.2s}
.search-panel{display:none;padding:0 20px 14px;max-width:1240px;margin:0 auto}
.search-panel.open{display:flex;align-items:center;gap:10px}
.search-panel input{flex:1;padding:10px 18px;border-radius:10px;border:2px solid rgba(255,107,53,0.15);background:#fff;font-size:.92rem;font-family:var(--font);color:var(--text);outline:none;transition:.2s}
.search-panel input:focus{border-color:var(--orange);box-shadow:0 0 0 3px var(--orange-bg)}
.search-panel button{background:none;border:none;font-size:1.4rem;cursor:pointer;color:var(--text3);padding:6px}

/* === HERO === */
.hero{padding:calc(var(--nav-h) + 48px) 20px 48px;max-width:1240px;margin:0 auto}
.hero-inner{max-width:720px}
.hero-chip{display:inline-flex;align-items:center;gap:7px;padding:6px 16px;border-radius:20px;background:var(--orange-bg);color:var(--orange);font-size:.78rem;font-weight:700;letter-spacing:.3px;margin-bottom:20px}
.hero h1{font-size:clamp(2rem,4.5vw,3.2rem);font-weight:800;line-height:1.15;letter-spacing:-1px;margin-bottom:16px;color:var(--text)}
.text-gradient{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:1.05rem;color:var(--text2);line-height:1.7;margin-bottom:28px}
.hero-metrics{display:flex;align-items:center;gap:0;background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:16px 0;box-shadow:var(--shadow)}
.metric{flex:1;text-align:center;display:flex;flex-direction:column;gap:2px}
.metric strong{font-size:1.4rem;font-weight:800;color:var(--orange)}
.metric span{font-size:.72rem;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.5px}
.metric-divider{width:1px;height:36px;background:var(--card-border)}

/* === TICKER === */
.ticker{display:flex;align-items:center;background:linear-gradient(90deg,rgba(255,107,53,0.05),rgba(0,201,167,0.05));border-top:1px solid var(--card-border);border-bottom:1px solid var(--card-border);height:42px;overflow:hidden}
.ticker-tag{display:flex;align-items:center;gap:5px;padding:0 18px;background:var(--gradient);color:#fff;font-size:.7rem;font-weight:700;letter-spacing:.8px;height:100%;white-space:nowrap;flex-shrink:0}
.ticker-track{flex:1;overflow:hidden}
.ticker-scroll{display:flex;gap:40px;white-space:nowrap;animation:marquee 80s linear infinite;font-size:.84rem;color:var(--text2);padding:0 20px}
.ticker-scroll a{color:var(--text);text-decoration:none;font-weight:600}.ticker-scroll a:hover{color:var(--orange)}
.t-dot{width:5px;height:5px;border-radius:50%;background:var(--orange);display:inline-block;margin-right:8px;flex-shrink:0}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* === PILLS === */
.pills-section{padding:24px 0 4px}
.pills-row{display:flex;gap:7px;overflow-x:auto;padding-bottom:6px;-ms-overflow-style:none;scrollbar-width:none}
.pills-row::-webkit-scrollbar{display:none}
.pill{padding:7px 16px;border-radius:20px;border:1.5px solid var(--card-border);background:var(--card);color:var(--text2);font-size:.8rem;font-weight:600;cursor:pointer;white-space:nowrap;font-family:var(--font);transition:.2s}
.pill:hover{border-color:var(--orange-light);color:var(--orange);background:var(--orange-bg)}
.pill.active{background:var(--gradient);color:#fff;border-color:transparent}

/* === FEATURED === */
.featured{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:32px 40px;margin:20px 0;box-shadow:var(--shadow);position:relative;overflow:hidden;transition:.3s}
.featured::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient)}
.featured:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.featured-flag{display:inline-block;padding:4px 12px;border-radius:16px;background:var(--gradient);color:#fff;font-size:.7rem;font-weight:700;letter-spacing:.4px;text-transform:uppercase;margin-bottom:12px}
.featured-src{font-size:.84rem;color:var(--orange);font-weight:700;display:block;margin-bottom:8px}
.featured-title{font-size:1.6rem;font-weight:800;line-height:1.3;color:var(--text);margin-bottom:12px;letter-spacing:-.3px}
.featured-excerpt{font-size:.95rem;color:var(--text2);line-height:1.7;margin-bottom:16px;max-width:680px}
.featured-foot{display:flex;align-items:center;gap:20px}
.featured-foot time{font-size:.8rem;color:var(--text3)}
.featured-foot a{font-size:.87rem;font-weight:700;color:var(--orange);text-decoration:none;transition:.2s}
.featured-foot a:hover{color:var(--orange-light)}

/* === LAYOUT === */
.layout{display:grid;grid-template-columns:1fr 340px;gap:28px;padding:8px 0 70px;align-items:start}

.feed-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.feed-header h2{font-size:1.2rem;font-weight:800;color:var(--text)}
.view-modes{display:flex;gap:3px}
.vm{padding:7px;border-radius:7px;border:none;cursor:pointer;background:transparent;color:var(--text3);transition:.2s}
.vm:hover,.vm.active{color:var(--orange);background:var(--orange-bg)}

/* Cards */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.card-grid.list-mode{grid-template-columns:1fr}

.card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:.3s;cursor:pointer;display:flex;flex-direction:column;position:relative;overflow:hidden}
.card::after{content:'';position:absolute;top:0;left:0;right:0;height:2.5px;background:var(--gradient);opacity:0;transition:.3s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(255,107,53,0.15)}
.card:hover::after{opacity:1}
.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.card-src{font-size:.72rem;font-weight:700;padding:3px 10px;border-radius:10px;text-transform:uppercase;letter-spacing:.3px}
.card-cat{font-size:.68rem;font-weight:500;color:var(--text3);padding:3px 8px;border-radius:6px;background:rgba(0,0,0,0.03)}
.card h3{font-size:1rem;font-weight:700;line-height:1.35;color:var(--text);margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-excerpt{font-size:.85rem;color:var(--text2);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px;flex:1}
.card-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:auto}
.card-bottom time{font-size:.73rem;color:var(--text3)}
.card-bottom a{font-size:.78rem;font-weight:700;color:var(--orange);text-decoration:none;transition:.2s}
.card-bottom a:hover{color:var(--orange-light)}

.load-more-btn{display:block;width:100%;margin-top:22px;padding:13px;border-radius:var(--radius-sm);border:2px solid var(--card-border);background:var(--card);color:var(--orange);font-family:var(--font);font-size:.88rem;font-weight:700;cursor:pointer;transition:.2s}
.load-more-btn:hover{background:var(--orange-bg);border-color:var(--orange-light)}

/* === SIDEBAR === */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:calc(var(--nav-h) + 20px)}
.widget{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.widget-title{font-size:.95rem;font-weight:800;color:var(--text);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.widget-title svg{color:var(--orange)}

.trend-item{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid rgba(0,0,0,0.04);text-decoration:none;color:inherit;transition:.2s}
.trend-item:last-child{border-bottom:none}
.trend-item:hover .trend-title{color:var(--orange)}
.trend-rank{font-size:1rem;font-weight:800;color:var(--orange);min-width:26px;font-family:var(--mono)}
.trend-title{font-size:.84rem;font-weight:500;line-height:1.4;color:var(--text)}
.trend-meta{font-size:.7rem;color:var(--text3);margin-top:3px}

.res-item{display:block;padding:12px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--orange-bg),var(--green-bg));border:1px solid rgba(255,107,53,0.06);margin-bottom:10px;text-decoration:none;color:inherit;transition:.2s}
.res-item:last-child{margin-bottom:0}
.res-item:hover{border-color:rgba(255,107,53,0.15);transform:translateX(3px)}
.res-title{font-size:.84rem;font-weight:600;color:var(--text);margin-bottom:4px;line-height:1.35}
.res-authors{font-size:.72rem;color:var(--text3)}

.company-chips{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.c-chip{display:flex;flex-direction:column;align-items:center;gap:5px;padding:10px 6px;border-radius:var(--radius-sm);background:#fff;border:1px solid var(--card-border);cursor:pointer;text-decoration:none;color:inherit;transition:.2s}
.c-chip:hover{border-color:var(--orange-light);transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,107,53,0.1)}
.c-logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--orange-bg),var(--blue-bg));display:flex;align-items:center;justify-content:center;font-size:.65rem;font-weight:800;color:var(--orange)}
.c-name{font-size:.66rem;font-weight:500;color:var(--text2);text-align:center}

.evt-item{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid rgba(0,0,0,0.04);text-decoration:none;color:inherit;transition:.2s}
.evt-item:last-child{border-bottom:none}
.evt-item:hover .evt-title{color:var(--orange)}
.evt-date{display:flex;flex-direction:column;align-items:center;padding:6px 10px;border-radius:8px;background:linear-gradient(135deg,var(--orange-bg),var(--green-bg));min-width:46px}
.evt-month{font-size:.6rem;font-weight:700;color:var(--orange);text-transform:uppercase;letter-spacing:.8px}
.evt-day{font-size:1.1rem;font-weight:800;color:var(--text)}
.evt-title{font-size:.82rem;font-weight:500;line-height:1.4;color:var(--text)}
.evt-loc{font-size:.7rem;color:var(--text3);margin-top:3px}

/* === FOOTER === */
.footer{background:#fff;border-top:1px solid var(--card-border);padding:50px 0 28px}
.footer-top{display:flex;justify-content:space-between;gap:40px;margin-bottom:32px}
.footer-brand{max-width:280px}
.footer-brand .logo-text{font-size:1.5rem;display:block;margin-bottom:10px}
.footer-brand p{font-size:.88rem;color:var(--text2);line-height:1.6}
.footer-cols{display:flex;gap:40px}
.footer-cols div{display:flex;flex-direction:column;gap:8px}
.footer-cols h4{font-size:.82rem;font-weight:800;color:var(--text);margin-bottom:4px}
.footer-cols a{font-size:.82rem;color:var(--text2);text-decoration:none;transition:.2s}
.footer-cols a:hover{color:var(--orange)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:20px;border-top:1px solid var(--card-border);font-size:.76rem;color:var(--text3)}

/* === RESPONSIVE === */
@media(max-width:1024px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:static;display:grid;grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .hero h1{font-size:2rem}
  .hero-metrics{flex-direction:column;gap:12px;padding:16px}
  .metric-divider{width:80%;height:1px}
  .nav-links{display:none}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:var(--nav-h);left:0;right:0;background:rgba(255,255,255,0.98);padding:12px 20px;border-bottom:1px solid var(--card-border)}
  .hamburger{display:flex}
  .card-grid{grid-template-columns:1fr}
  .sidebar{grid-template-columns:1fr}
  .featured{padding:22px}
  .featured-title{font-size:1.25rem}
  .footer-top{flex-direction:column;gap:28px}
  .footer-bottom{flex-direction:column;gap:6px;text-align:center}
}
@media(max-width:480px){
  .hero h1{font-size:1.7rem}
  .pills-row{gap:5px}.pill{padding:6px 12px;font-size:.76rem}
  .company-chips{grid-template-columns:repeat(2,1fr)}
}