/* ============================================
   IGZZK Shared Stylesheet
   ============================================ */
:root{
  --bg:#ffffff;--bg-soft:#f7f8fa;--bg-dark:#12141a;
  --text:#1f2430;--text-soft:#5b6473;--text-faint:#8b94a3;
  --line:#e8ebf0;--brand:#4f46e5;--brand-soft:#eef0ff;--brand-dark:#3730a3;
  --radius:14px;--radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.06);
  --shadow-md:0 4px 12px rgba(16,24,40,.06),0 2px 4px rgba(16,24,40,.04);
  --shadow-lg:0 12px 32px rgba(16,24,40,.08);
  --maxw:1160px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.75;font-size:16px;letter-spacing:.01em;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button,input,textarea{font-family:inherit;font-size:inherit;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--soft{background:var(--bg-soft);}
.section--tight{padding:72px 0;}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);margin-bottom:16px;}
.section-head{max-width:660px;margin-bottom:56px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-title{font-size:clamp(26px,3.4vw,38px);font-weight:700;line-height:1.3;letter-spacing:-.02em;color:var(--text);margin-bottom:16px;}
.section-desc{font-size:17px;color:var(--text-soft);line-height:1.8;}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:-.02em;}
.logo-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#4f46e5 0%,#7c3aed 55%,#db2777 100%);display:grid;place-items:center;color:#fff;font-size:14px;font-weight:800;letter-spacing:-.04em;box-shadow:0 2px 8px rgba(79,70,229,.28);}
.nav-links{display:flex;align-items:center;gap:36px;font-size:15px;font-weight:500;color:var(--text-soft);}
.nav-links a{transition:color .2s var(--ease);position:relative;}
.nav-links a:hover{color:var(--text);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:999px;font-size:15px;font-weight:600;border:none;cursor:pointer;transition:all .22s var(--ease);white-space:nowrap;}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 2px 10px rgba(79,70,229,.24);}
.btn--primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 6px 18px rgba(79,70,229,.3);}
.btn--ghost{background:transparent;color:var(--text);border:1px solid var(--line);}
.btn--ghost:hover{border-color:#c9cfda;background:#fff;}
.btn--lg{padding:14px 30px;font-size:16px;}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:.25s var(--ease);}
.nav-toggle span+span{margin-top:5px;}

/* Hero (home) */
.hero{padding:110px 0 96px;text-align:center;position:relative;overflow:hidden;}
.hero::before{content:"";position:absolute;top:-260px;left:50%;transform:translateX(-50%);width:900px;height:620px;background:radial-gradient(circle at 50% 50%,rgba(79,70,229,.10),transparent 68%);pointer-events:none;}
.hero .container{position:relative;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:var(--brand-soft);color:var(--brand-dark);border-radius:999px;font-size:13.5px;font-weight:600;margin-bottom:28px;}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.5;transform:scale(.8);}}
.hero h1{font-size:clamp(32px,5.6vw,58px);font-weight:800;line-height:1.18;letter-spacing:-.035em;margin-bottom:24px;max-width:880px;margin-left:auto;margin-right:auto;}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#4f46e5,#7c3aed 45%,#db2777);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero p{font-size:clamp(16px,1.9vw,19px);color:var(--text-soft);max-width:620px;margin:0 auto 40px;line-height:1.85;}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:64px;}
.hero-stats{display:flex;justify-content:center;gap:0;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:40px;max-width:760px;margin:0 auto;}
.stat{flex:1 1 160px;padding:0 20px;text-align:center;position:relative;}
.stat+.stat::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:1px;background:var(--line);}
.stat-num{font-size:30px;font-weight:800;letter-spacing:-.03em;color:var(--text);line-height:1.2;}
.stat-num span{color:var(--brand);}
.stat-label{font-size:13.5px;color:var(--text-faint);margin-top:6px;}

/* Category Hero */
.cat-hero{padding:64px 0 56px;background:linear-gradient(180deg,var(--bg-soft) 0%,var(--bg) 100%);border-bottom:1px solid var(--line);position:relative;overflow:hidden;}
.cat-hero::before{content:"";position:absolute;top:-200px;right:-160px;width:520px;height:520px;background:radial-gradient(circle,rgba(79,70,229,.08),transparent 68%);pointer-events:none;}
.cat-hero .container{position:relative;}
.breadcrumb{font-size:14px;color:var(--text-faint);margin-bottom:24px;}
.breadcrumb a{color:var(--brand);transition:opacity .2s var(--ease);}
.breadcrumb a:hover{opacity:.75;}
.breadcrumb .sep{margin:0 8px;color:#cdd3dd;}
.cat-hero h1{font-size:clamp(34px,5vw,54px);font-weight:800;line-height:1.15;letter-spacing:-.035em;margin-bottom:20px;max-width:880px;}
.cat-hero h1 em{font-style:normal;background:linear-gradient(120deg,#4f46e5,#7c3aed 45%,#db2777);-webkit-background-clip:text;background-clip:text;color:transparent;}
.cat-hero-desc{font-size:clamp(16px,1.9vw,18px);color:var(--text-soft);max-width:720px;line-height:1.85;margin-bottom:36px;}
.cat-hero-meta{display:flex;flex-wrap:wrap;gap:32px;padding-top:28px;border-top:1px solid var(--line);}
.cat-meta-item{display:flex;flex-direction:column;}
.cat-meta-num{font-size:22px;font-weight:800;color:var(--text);letter-spacing:-.02em;line-height:1.2;}
.cat-meta-label{font-size:13px;color:var(--text-faint);margin-top:4px;}

/* Category Cards */
.grid-cats{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px;}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;transition:all .28s var(--ease);position:relative;overflow:hidden;display:block;}
.cat-card::after{content:"";position:absolute;inset:0;border-radius:var(--radius);box-shadow:var(--shadow-lg);opacity:0;transition:opacity .28s var(--ease);pointer-events:none;}
.cat-card:hover{transform:translateY(-4px);border-color:transparent;}
.cat-card:hover::after{opacity:1;}
.cat-card h3{font-size:18.5px;font-weight:700;letter-spacing:-.015em;margin-bottom:10px;}
.cat-card p{font-size:14.8px;color:var(--text-soft);line-height:1.75;margin-bottom:18px;}
.cat-link{font-size:14.5px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.cat-link svg{transition:transform .22s var(--ease);}
.cat-card:hover .cat-link svg{transform:translateX(4px);}

/* Post Cards */
.grid-posts{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:28px;}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:all .28s var(--ease);}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent;}
.post-body{padding:30px 28px 30px;display:flex;flex-direction:column;flex:1;}
.post-tag{display:inline-block;font-size:12.5px;font-weight:600;color:var(--brand);background:var(--brand-soft);padding:3px 11px;border-radius:999px;margin-bottom:16px;align-self:flex-start;}
.post-card h3{font-size:19px;font-weight:700;line-height:1.5;letter-spacing:-.015em;margin-bottom:12px;}
.post-card h3 a{transition:color .2s var(--ease);}
.post-card h3 a:hover{color:var(--brand);}
.post-card p{font-size:15px;color:var(--text-soft);line-height:1.75;margin-bottom:22px;flex:1;}
.post-meta{font-size:13.5px;color:var(--text-faint);display:flex;align-items:center;gap:10px;}
.post-meta .sep{width:3px;height:3px;border-radius:50%;background:#cdd3dd;}

/* Key Takeaways */
.takeaways{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;}
.takeaway-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;transition:all .28s var(--ease);}
.takeaway-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:transparent;}
.takeaway-num{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.1em;margin-bottom:14px;}
.takeaway-card h4{font-size:16.5px;font-weight:700;letter-spacing:-.01em;margin-bottom:8px;line-height:1.4;}
.takeaway-card p{font-size:14.5px;color:var(--text-soft);line-height:1.7;}

/* About / Translator */
.about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center;}
.about-list{display:flex;flex-direction:column;gap:26px;margin-top:32px;}
.about-item{display:flex;gap:16px;align-items:flex-start;}
.about-check{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:13px;font-weight:800;margin-top:3px;}
.about-item h4{font-size:16.5px;font-weight:700;margin-bottom:5px;letter-spacing:-.01em;}
.about-item p{font-size:14.8px;color:var(--text-soft);line-height:1.75;}
.translate-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-md);overflow:hidden;}
.translate-head{display:flex;align-items:center;gap:8px;padding:14px 20px;border-bottom:1px solid var(--line);background:var(--bg-soft);}
.translate-head i{width:10px;height:10px;border-radius:50%;background:#e2e6ee;display:block;}
.translate-head i:nth-child(1){background:#fca5a5;}
.translate-head i:nth-child(2){background:#fcd34d;}
.translate-head i:nth-child(3){background:#86efac;}
.translate-head span{margin-left:10px;font-size:12.5px;color:var(--text-faint);font-weight:500;}
.translate-body{padding:26px 24px;}
.translate-row{margin-bottom:22px;}
.translate-row:last-child{margin-bottom:0;}
.translate-label{font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-faint);margin-bottom:8px;}
.translate-official{font-size:14.5px;color:var(--text-faint);line-height:1.7;padding-left:14px;border-left:2px solid var(--line);font-style:italic;}
.translate-plain{display:flex;gap:10px;align-items:flex-start;margin-top:12px;padding:14px 16px;background:var(--brand-soft);border-radius:var(--radius-sm);font-size:14.8px;color:var(--brand-dark);font-weight:500;line-height:1.7;}
.translate-plain .arrow{flex:0 0 auto;font-weight:800;}

/* Newsletter */
.newsletter{background:var(--bg-dark);color:#fff;border-radius:22px;padding:64px 56px;text-align:center;position:relative;overflow:hidden;}
.newsletter::before{content:"";position:absolute;top:-140px;right:-100px;width:420px;height:420px;background:radial-gradient(circle,rgba(124,58,237,.4),transparent 68%);pointer-events:none;}
.newsletter::after{content:"";position:absolute;bottom:-180px;left:-120px;width:420px;height:420px;background:radial-gradient(circle,rgba(79,70,229,.32),transparent 68%);pointer-events:none;}
.newsletter>*{position:relative;}
.newsletter h2{font-size:clamp(24px,3.2vw,34px);font-weight:700;letter-spacing:-.025em;margin-bottom:14px;line-height:1.3;}
.newsletter p{color:#a7aec0;font-size:16.5px;max-width:520px;margin:0 auto 32px;line-height:1.8;}
.news-form{display:flex;gap:10px;max-width:480px;margin:0 auto;flex-wrap:wrap;}
.news-form input{flex:1 1 240px;padding:14px 20px;border-radius:999px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);color:#fff;outline:none;transition:all .22s var(--ease);}
.news-form input::placeholder{color:#7c8496;}
.news-form input:focus{border-color:rgba(124,58,237,.7);background:rgba(255,255,255,.1);}
.news-note{font-size:13px;color:#6f7789;margin-top:18px;}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:64px 0 40px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:48px;margin-bottom:52px;}
.footer-brand p{font-size:14.6px;color:var(--text-soft);line-height:1.8;margin-top:18px;max-width:320px;}
.footer-col h5{font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-faint);margin-bottom:20px;}
.footer-col ul{display:flex;flex-direction:column;gap:13px;}
.footer-col a{font-size:14.6px;color:var(--text-soft);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{border-top:1px solid var(--line);padding-top:28px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;font-size:13.6px;color:var(--text-faint);}
.footer-bottom .disclaimer{max-width:620px;line-height:1.7;font-size:12.8px;}

/* Article */
.article-head{padding:56px 0 0;}
.article-head .breadcrumb{font-size:14px;color:var(--text-faint);margin-bottom:28px;}
.article-head .breadcrumb a{color:var(--brand);}
.article-head .breadcrumb .sep{margin:0 8px;color:#cdd3dd;}
.article-head h1{font-size:clamp(28px,4.4vw,44px);font-weight:800;line-height:1.22;letter-spacing:-.03em;margin:18px 0 20px;}
.article-head .post-meta{font-size:14px;margin-bottom:0;}
.article-body{padding:0 0 96px;}
.article-content{font-size:17px;line-height:1.85;color:var(--text-soft);}
.article-content p{margin-bottom:24px;}
.article-content h2{font-size:24px;font-weight:700;color:var(--text);margin:44px 0 16px;letter-spacing:-.02em;}
.article-content h3{font-size:19px;font-weight:700;color:var(--text);margin:32px 0 12px;letter-spacing:-.01em;}
.article-content ul{margin-bottom:24px;padding-left:24px;list-style:disc;}
.article-content li{margin-bottom:10px;padding-left:4px;}
.article-content strong{color:var(--text);font-weight:600;}
.article-content a{color:var(--brand);font-weight:600;}
.article-content a:hover{text-decoration:underline;}
.article-content code{background:var(--bg-soft);padding:2px 6px;border-radius:4px;font-size:.9em;}
.callout{background:var(--brand-soft);border-radius:var(--radius);padding:28px 32px;margin:40px 0;}
.callout p{font-size:15.5px;color:var(--brand-dark);font-weight:600;margin-bottom:8px;}
.callout p:last-child{margin-bottom:0;font-weight:400;line-height:1.8;}

/* Responsive */
@media(max-width:960px){
  .about-wrap{grid-template-columns:1fr;gap:48px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .footer-brand{grid-column:1/-1;}
}
@media(max-width:768px){
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .hero{padding:72px 0 64px;}
  .cat-hero{padding:48px 0 40px;}
  .cat-hero-meta{gap:24px;}
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 24px 20px;box-shadow:var(--shadow-md);}
  .nav-links.open{display:flex;}
  .nav-links a{padding:13px 0;border-bottom:1px solid var(--line);}
  .nav-links .btn{margin-top:14px;}
  .nav-toggle{display:block;}
  .hero-stats{gap:24px 0;}
  .stat{flex:1 1 40%;}
  .stat+.stat::before{display:none;}
  .newsletter{padding:48px 26px;border-radius:18px;}
  .news-form{flex-direction:column;}
  .news-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media(max-width:420px){
  .container{padding:0 18px;}
  .cat-card{padding:26px 22px;}
  .post-body{padding:24px 22px 26px;}
}