:root{--bg:#f7f7fb;--fg:#16181d;--muted:#5f6675;--line:#e4e6ef;--card:#fff;--accent:#4f46e5;--shadow:0 1px 2px rgba(16,24,40,.05),0 8px 24px rgba(16,24,40,.06)}
@media (prefers-color-scheme:dark){:root{--bg:#0f1117;--fg:#e8eaf0;--muted:#9aa3b5;--line:#232734;--card:#171a23;--accent:#8b8cf8;--shadow:0 1px 2px rgba(0,0,0,.4)}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:760px;margin:0 auto;padding:0 22px}.wrap.wide{max-width:1040px}
.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{max-width:1040px;display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--fg);font-weight:700;letter-spacing:-.01em}.brand:hover{text-decoration:none}
nav a{margin-left:22px;color:var(--muted);font-size:15px;font-weight:500}nav a:hover{color:var(--fg);text-decoration:none}
main{padding:44px 22px 64px}
.hero{padding:28px 0 18px;max-width:720px}.hero.center{margin:40px auto;text-align:center}
.kicker{margin:0 0 10px;color:var(--accent);font-weight:600;font-size:14px;text-transform:uppercase;letter-spacing:.08em}
.hero h1{margin:0 0 14px;font-size:clamp(30px,4.6vw,46px);line-height:1.12;letter-spacing:-.025em}
.lead{font-size:19px;color:var(--muted);margin-top:0}
.section{margin:46px 0 16px;font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.cover{display:block;width:100%;height:auto}
.featured,.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;color:var(--fg);box-shadow:var(--shadow);transition:transform .15s ease,box-shadow .15s ease}
.featured:hover,.card:hover{transform:translateY(-3px);text-decoration:none;box-shadow:0 12px 32px rgba(16,24,40,.12)}
.featured{display:grid;grid-template-columns:1.1fr 1fr}.featured .cover{height:100%;min-height:260px}
.card-body{padding:22px 24px 26px}.featured .card-body{padding:34px}
.card h2,.featured h2{margin:10px 0 8px;font-size:21px;line-height:1.3;letter-spacing:-.01em}.featured h2{font-size:28px}
.card p,.featured p{margin:0;color:var(--muted)}
.more{display:inline-block;margin-top:18px;color:var(--accent);font-weight:600}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;background:#eef2ff;color:#4338ca}
.tag-performance{background:#fff1e6;color:#c2410c}.tag-advertising{background:#e7f8f1;color:#047857}.tag-web{background:#f4ecff;color:#6d28d9}
@media (prefers-color-scheme:dark){.tag{background:#262a45;color:#c7c9ff}.tag-performance{background:#3a2618;color:#fdba74}.tag-advertising{background:#14302a;color:#6ee7b7}.tag-web{background:#2c2142;color:#d8b4fe}}
.topics div{display:flex;gap:10px;flex-wrap:wrap}
.post{max-width:700px}.post h1{margin:14px 0 12px;font-size:clamp(30px,4.4vw,42px);line-height:1.15;letter-spacing:-.025em}
.post .cover{border-radius:16px;margin:26px 0 30px}
.post p{font-size:18px;line-height:1.75}.post hr{border:0;border-top:1px solid var(--line);margin:40px 0 18px}
.next{color:var(--muted)}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px}
footer .wrap{max-width:1040px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:26px 22px 40px}
@media (max-width:760px){.featured,.grid{grid-template-columns:1fr}.featured .cover{min-height:180px}nav a{margin-left:14px}main{padding-top:28px}}