:root{
  --paper:#F4F5FA;--card:#FFFFFF;--ink:#15161E;--muted:#5C5E70;--line:#E4E5EE;
  --primary:#4338CA;--primary-hover:#372DB0;--deep:#161334;--deep-2:#221E52;
  --mark:#D6F84C;--hot:#FF5A3C;--r:14px;--maxw:1180px;
  --display:'Space Grotesk',sans-serif;--body:'Inter',sans-serif;--mono:'JetBrains Mono',monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);background:var(--paper);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
.mark{background:linear-gradient(180deg,transparent 55%,var(--mark) 55%);padding:0 2px}
.muted-note{color:var(--muted);font-size:14.5px;margin:8px 0 20px}

/* Header */
header{position:sticky;top:0;z-index:50;background:rgba(244,245,250,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:26px;height:68px}
.logo{font-family:var(--display);font-weight:700;font-size:21px;letter-spacing:-.02em;display:flex;align-items:center;gap:9px}
.logo .dot{width:11px;height:11px;border-radius:3px;background:var(--primary);display:inline-block;transform:rotate(45deg)}
.nav-links{display:flex;gap:22px;margin-left:6px}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--muted);transition:color .15s;position:relative;padding:4px 0}
.nav-links a:hover{color:var(--ink)}
.nav-links a.hot::after{content:'';position:absolute;top:2px;right:-9px;width:5px;height:5px;border-radius:50%;background:var(--hot)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-mini{position:relative;display:flex;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:0}
.search-mini input{border:none;background:none;outline:none;font-family:var(--body);font-size:13.5px;padding:9px 12px;width:150px;color:var(--ink)}
.search-drop{position:absolute;top:calc(100% + 6px);right:0;width:320px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 16px 40px -14px rgba(21,22,30,.25);overflow:hidden;z-index:60}
.search-drop a{display:block;padding:11px 14px;border-bottom:1px solid var(--line);font-size:14px}
.search-drop a:last-child{border-bottom:none}
.search-drop a:hover{background:var(--paper)}
.search-drop .sd-type{font-family:var(--mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--primary);display:block}
.search-drop .sd-empty{padding:14px;color:var(--muted);font-size:13.5px}
.btn{font-family:var(--body);font-weight:600;font-size:14px;padding:10px 18px;border-radius:10px;border:none;cursor:pointer;transition:background .15s,transform .05s;display:inline-block}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover)}
.btn-primary:active{transform:translateY(1px)}
.btn.full{width:100%;text-align:center}
.btn.ghost{background:var(--card);border:1px solid var(--line);color:var(--ink)}
.hamburger{display:none;background:none;border:1px solid var(--line);border-radius:9px;width:42px;height:40px;cursor:pointer;flex-direction:column;gap:4px;align-items:center;justify-content:center}
.hamburger span{width:18px;height:2px;background:var(--ink);border-radius:2px}

/* Hero + page heads */
.hero{padding:64px 0 40px}
.eyebrow{font-family:var(--mono);font-size:12.5px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--primary);display:flex;align-items:center;gap:10px;margin-bottom:20px}
.eyebrow::before{content:'';width:26px;height:1px;background:var(--primary)}
h1{font-family:var(--display);font-weight:700;letter-spacing:-.03em}
.hero h1{font-size:clamp(38px,6vw,64px);line-height:1.02;max-width:15ch}
.hero p.sub,.page-head p.sub{font-size:19px;color:var(--muted);max-width:52ch;margin-top:20px}
.hero-search{margin-top:30px;display:flex;gap:10px;max-width:560px}
.hero-search input{flex:1;font-family:var(--body);font-size:16px;padding:15px 18px;border:1.5px solid var(--line);border-radius:12px;background:var(--card);outline:none;transition:border-color .15s}
.hero-search input:focus{border-color:var(--primary)}
.hero-search .btn{padding:15px 24px;font-size:15px}
.hero-stats{display:flex;gap:34px;margin-top:32px;flex-wrap:wrap}
.stat .n{font-family:var(--display);font-weight:700;font-size:26px;letter-spacing:-.02em}
.stat .l{font-size:13px;color:var(--muted)}
.page-head{padding:52px 0 26px}
.page-head.narrow{max-width:640px}
.page-head h1{font-size:clamp(30px,5vw,46px);line-height:1.05}

/* A-Z band */
.azband{background:var(--deep);color:#fff;border-radius:20px;padding:34px 34px 30px;position:relative;overflow:hidden}
.azband::after{content:'A→Z';position:absolute;right:26px;bottom:-14px;font-family:var(--display);font-weight:700;font-size:120px;color:rgba(255,255,255,.045);letter-spacing:-.04em;pointer-events:none}
.az-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:22px;flex-wrap:wrap;gap:8px}
.azband h2{font-family:var(--display);font-weight:600;font-size:22px}
.az-head span{font-family:var(--mono);font-size:12.5px;color:rgba(255,255,255,.55)}
.az-grid{display:grid;grid-template-columns:repeat(13,1fr);gap:8px}
.az-cell{aspect-ratio:1;border-radius:10px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:600;font-size:18px;transition:all .14s;color:#fff}
.az-cell.on{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28);cursor:pointer}
.az-cell.on:hover{background:var(--mark);color:var(--deep);border-color:var(--mark);transform:translateY(-2px)}
.az-cell.empty{opacity:.3}

/* Sections */
section.block{padding:52px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:26px;gap:16px}
.sec-head .label{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.sec-head h2{font-family:var(--display);font-weight:600;font-size:30px;letter-spacing:-.02em}
.sec-head a.more{font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap}
.sec-head a.more:hover{text-decoration:underline}

/* Cards */
.feat{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:18px}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-bottom:40px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .16s,box-shadow .16s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 30px -12px rgba(21,22,30,.18)}
.card .thumb{aspect-ratio:16/9;background:linear-gradient(135deg,var(--deep-2),var(--primary));position:relative;display:block}
.card.big .thumb{aspect-ratio:16/10}
.thumb .tag{position:absolute;top:12px;left:12px;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.05em;background:var(--card);color:var(--ink);padding:4px 9px;border-radius:6px}
.thumb .tag.news{background:var(--hot);color:#fff}
.thumb .glyph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;color:rgba(255,255,255,.16);font-size:64px}
.card .body{padding:18px;display:flex;flex-direction:column;flex:1}
.card.big .body{padding:24px}
.card h3{font-family:var(--display);font-weight:600;font-size:17px;line-height:1.25}
.card.big h3{font-size:23px}
.card p{font-size:14px;color:var(--muted);margin-top:9px}
.card .meta{margin-top:auto;padding-top:14px;font-family:var(--mono);font-size:11.5px;color:var(--muted);display:flex;gap:12px}

/* Guides */
.guides{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.guide{display:flex;align-items:center;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;transition:border-color .15s,transform .15s}
.guide:hover{border-color:var(--primary);transform:translateX(3px)}
.guide .num{font-family:var(--mono);font-size:13px;color:var(--primary);font-weight:700;width:34px;flex-shrink:0}
.guide .g-body h4{font-family:var(--display);font-weight:600;font-size:15.5px}
.guide .g-body span{font-size:12.5px;color:var(--muted)}
.guide .arrow{margin-left:auto;color:var(--muted);transition:transform .15s,color .15s}
.guide:hover .arrow{transform:translateX(4px);color:var(--primary)}

/* Cases */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;transition:transform .16s,box-shadow .16s}
.case:hover{transform:translateY(-4px);box-shadow:0 12px 30px -12px rgba(21,22,30,.18)}
.case .result{font-family:var(--display);font-weight:700;font-size:44px;letter-spacing:-.03em;line-height:1}
.case .result .up{color:var(--primary)}
.case .result-label{font-family:var(--mono);font-size:12px;color:var(--muted);margin-top:8px;text-transform:uppercase;letter-spacing:.05em}
.case h4{font-family:var(--display);font-weight:600;font-size:17px;margin-top:20px}
.case p{font-size:13.5px;color:var(--muted);margin-top:8px}
.case .win{display:inline-block;margin-top:16px;font-size:13px;font-weight:600;color:var(--primary)}

/* News */
.news{display:flex;flex-direction:column}
.newsitem{display:grid;grid-template-columns:120px 1fr auto;gap:20px;align-items:center;padding:18px 0;border-top:1px solid var(--line)}
.newsitem .date{font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.newsitem h4{font-family:var(--display);font-weight:600;font-size:17px;transition:color .15s}
.newsitem:hover h4{color:var(--primary)}
.newsitem .cat{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--primary);border:1px solid var(--line);border-radius:6px;padding:4px 9px;white-space:nowrap}

/* A-Z filter chips */
.az-filter{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:30px}
.chip{font-family:var(--mono);font-size:13px;font-weight:500;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:9px;background:var(--card);color:var(--ink);transition:all .14s}
.chip[href]:hover,.chip.on{background:var(--primary);color:#fff;border-color:var(--primary)}
.chip.empty{opacity:.3}
.chip:first-child{width:auto;padding:0 14px}

/* Article layout */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;padding:34px 0 60px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:18px}
.crumb a:hover{color:var(--primary)}
.article-title{font-size:clamp(30px,4.5vw,46px);line-height:1.08;margin-top:6px}
.article-meta{font-family:var(--mono);font-size:12.5px;color:var(--muted);margin:16px 0 28px}
.article-body{font-size:17px;line-height:1.75;color:#26283A}
.article-body h2{font-family:var(--display);font-size:26px;margin:34px 0 14px;letter-spacing:-.01em}
.article-body h3{font-family:var(--display);font-size:20px;margin:26px 0 12px}
.article-body p{margin-bottom:18px}
.article-body a{color:var(--primary);text-decoration:underline}
.article-body ul,.article-body ol{margin:0 0 18px 22px}
.article-body li{margin-bottom:8px}
.in-article-ad{margin:28px 0;text-align:center}
.static-body{max-width:680px;font-size:17px;padding-bottom:60px}
.article-side{display:flex;flex-direction:column;gap:22px;align-self:start;position:sticky;top:90px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.side-card h5{font-family:var(--mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:14px}
.side-card ul{list-style:none}
.side-card li{margin-bottom:11px}
.side-card li a{font-size:14px;font-weight:500;transition:color .15s}
.side-card li a:hover{color:var(--primary)}
.side-card.cta{background:var(--deep);color:#fff}
.side-card.cta h5{color:rgba(255,255,255,.6)}
.side-card.cta p{font-size:14px;color:rgba(255,255,255,.75);margin-bottom:16px}
.side-ad{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px;text-align:center;min-height:120px}
.ad-label{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);display:block;margin-bottom:8px}

/* Tools */
.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-bottom:50px}
.tool-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;position:relative;transition:transform .16s,box-shadow .16s}
.tool-card.live:hover{transform:translateY(-4px);box-shadow:0 12px 30px -12px rgba(21,22,30,.18)}
.tool-card.soon{opacity:.6}
.tool-badge{position:absolute;top:20px;right:20px;font-family:var(--mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;background:var(--mark);color:var(--deep);padding:3px 8px;border-radius:6px;font-weight:700}
.tool-badge.soon{background:var(--line);color:var(--muted)}
.tool-card h3{font-family:var(--display);font-size:19px;margin-bottom:10px;padding-right:50px}
.tool-card p{font-size:14px;color:var(--muted)}
.tool-open{display:inline-block;margin-top:16px;font-weight:600;color:var(--primary);font-size:14px}

/* Meta tool */
.tool-wrap{display:grid;grid-template-columns:1fr 380px;gap:34px;padding-bottom:60px;align-items:start}
.fld{display:block;margin-bottom:18px}
.fld-label,.fld>span{display:flex;justify-content:space-between;align-items:baseline;font-size:13.5px;font-weight:600;margin-bottom:7px}
.fld-label em,.fld>span em{font-weight:400;color:var(--muted);font-style:normal}
.tool-inputs input,.tool-inputs textarea{width:100%;font-family:var(--body);font-size:15px;padding:13px 15px;border:1.5px solid var(--line);border-radius:11px;background:var(--card);outline:none;transition:border-color .15s;resize:vertical}
.tool-inputs input:focus,.tool-inputs textarea:focus{border-color:var(--primary)}
.counter{font-family:var(--mono);font-size:12px;color:var(--muted);font-weight:500}
.fld-bar{display:block;height:5px;border-radius:4px;background:var(--line);margin-top:8px;overflow:hidden}
.fld-bar i{display:block;height:100%;width:0;background:var(--primary);transition:width .2s,background .2s}
.tool-result{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.score-ring{text-align:center;padding:14px 0 8px}
.score-num{font-family:var(--display);font-weight:700;font-size:56px;line-height:1;color:var(--primary)}
.score-num small{font-size:20px;color:var(--muted)}
.score-grade{font-family:var(--mono);font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-top:6px}
.tips{list-style:none;margin-top:18px}
.tips li{font-size:13.5px;padding:9px 0 9px 26px;position:relative;border-top:1px solid var(--line);line-height:1.45}
.tips li::before{position:absolute;left:0;top:9px;font-size:14px}
.tips li.ok::before{content:'✓';color:#0a9d5a}
.tips li.warn::before{content:'!';color:#c98a00;font-weight:700}
.tips li.bad::before{content:'✕';color:var(--hot)}
.serp-preview{margin-top:22px;border:1px solid var(--line);border-radius:11px;padding:16px}
.serp-label{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.serp-url{font-size:13px;color:#4d5156;margin-top:8px}
.serp-title{color:#1a0dab;font-size:19px;line-height:1.3;margin-top:2px;font-family:var(--body)}
.serp-desc{font-size:13.5px;color:#4d5156;margin-top:4px;line-height:1.5}

/* Search results */
.search-results{display:flex;flex-direction:column;padding-bottom:50px}
.result-row{display:grid;grid-template-columns:120px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-top:1px solid var(--line)}
.result-type{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--primary)}
.result-body b{font-family:var(--display);font-size:16.5px;display:block}
.result-body em{font-style:normal;font-size:13.5px;color:var(--muted)}
.result-arrow{color:var(--muted)}
.result-row:hover .result-body b{color:var(--primary)}

/* Empty / subscribe / footer */
.empty-state{text-align:center;padding:60px 0}
.empty-state p{color:var(--muted);margin-bottom:18px}
.subscribe{background:var(--deep);border-radius:22px;padding:52px 48px;color:#fff;display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;position:relative;overflow:hidden}
.subscribe::before{content:'';position:absolute;top:-40%;right:-6%;width:340px;height:340px;background:radial-gradient(circle,var(--primary),transparent 68%);opacity:.5}
.subscribe h2{font-family:var(--display);font-weight:700;font-size:32px;letter-spacing:-.02em;line-height:1.1;position:relative}
.subscribe p{color:rgba(255,255,255,.7);margin-top:14px;font-size:15.5px;position:relative;max-width:42ch}
.sub-form{display:flex;gap:10px;position:relative}
.sub-form input{flex:1;padding:14px 16px;border-radius:11px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;font-family:var(--body);font-size:15px;outline:none}
.sub-form input::placeholder{color:rgba(255,255,255,.5)}
.sub-form .btn{background:var(--mark);color:var(--deep);white-space:nowrap}
.sub-note{font-family:var(--mono);font-size:11.5px;color:rgba(255,255,255,.45);margin-top:12px;position:relative}
footer{border-top:1px solid var(--line);padding:52px 0 34px;margin-top:20px}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.foot .brand p{font-size:14px;color:var(--muted);margin-top:14px;max-width:34ch}
.foot h5{font-family:var(--mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:14px}
.foot ul{list-style:none}
.foot ul li{margin-bottom:10px}
.foot ul a{font-size:14px;color:var(--muted);transition:color .15s}
.foot ul a:hover{color:var(--ink)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:40px;padding-top:24px;border-top:1px solid var(--line);flex-wrap:wrap;gap:12px}
.foot-bottom p{font-size:13px;color:var(--muted)}
.socials{display:flex;gap:10px}
.socials a{width:36px;height:36px;border:1px solid var(--line);border-radius:9px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-family:var(--mono);font-size:12px;transition:all .15s}
.socials a:hover{border-color:var(--primary);color:var(--primary)}

/* Responsive */
@media(max-width:900px){
  .feat,.post-grid,.cases,.tool-grid{grid-template-columns:1fr 1fr}
  .card.big{grid-column:1/-1}
  .guides{grid-template-columns:1fr}
  .article-layout{grid-template-columns:1fr}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap}
  .article-side>*{flex:1;min-width:220px}
  .tool-wrap{grid-template-columns:1fr}
  .subscribe{grid-template-columns:1fr;padding:38px 28px}
  .foot{grid-template-columns:1fr 1fr}
  .az-grid{grid-template-columns:repeat(9,1fr)}
}
@media(max-width:680px){
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;background:var(--card);border-bottom:1px solid var(--line);padding:14px 24px;gap:4px}
  .nav-links.open{display:flex}
  .nav-links a{padding:10px 0}
  .search-mini{display:none}
  .hamburger{display:flex}
  .feat,.post-grid,.cases,.tool-grid{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr 1fr}
  .newsitem,.result-row{grid-template-columns:1fr;gap:6px}
  .newsitem .cat{display:none}
  .az-grid{grid-template-columns:repeat(7,1fr)}
  .azband::after{font-size:70px}
  .hero{padding:44px 0 30px}
  .sec-head h2{font-size:24px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}