/* ===== Korixa AI design system ===== */
:root{
  --bg:#f6f7fb; --bg2:#fff; --soft:#eef1f8; --text:#0d1220; --soft1:#475069; --mute:#6b7690;
  --line:#e3e8f2; --line2:#eef1f7; --p:#4f46e5; --p2:#4338ca; --p050:#eef2ff;
  --r:14px; --r2:10px; --sh:0 1px 2px rgba(13,18,32,.05),0 10px 30px -14px rgba(13,18,32,.15);
  --sh2:0 14px 44px -14px rgba(79,70,229,.3); --hh:62px;
}
html[data-theme="dark"]{
  --bg:#080c18; --bg2:#0e1526; --soft:#0b1120; --text:#e6eaf4; --soft1:#b4bed2; --mute:#8b96af;
  --line:#1c2536; --line2:#172033; --p:#818cf8; --p2:#6366f1; --p050:#1b1a44;
  --sh:0 1px 2px rgba(0,0,0,.35),0 10px 30px -14px rgba(0,0,0,.6);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--p);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800}
h2{font-size:clamp(1.3rem,2.4vw,1.8rem);font-weight:700}
h3{font-size:1.1rem;font-weight:600}
p{margin:0 0 1rem}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}
.skip:focus{left:10px;top:10px;background:var(--p);color:#fff;padding:8px 12px;border-radius:8px;z-index:99}
.meta{color:var(--mute);font-size:.84rem}
.empty{color:var(--mute);text-align:center;padding:40px 0}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg2) 88%,transparent);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line2)}
.hdr-in{display:flex;align-items:center;gap:18px;height:var(--hh)}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:1.12rem;color:var(--text);letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.nav{display:flex;gap:2px;margin-inline-start:8px}
.nav a{color:var(--soft1);font-weight:500;font-size:.94rem;padding:8px 12px;border-radius:8px}
.nav a:hover{color:var(--text);background:var(--soft);text-decoration:none}
.nav a.on{color:var(--p);background:var(--p050)}
.hdr-act{margin-inline-start:auto;display:flex;align-items:center;gap:8px}
.lang{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;background:var(--soft);border:1px solid var(--line);color:var(--text);padding:7px 11px;border-radius:9px;cursor:pointer;font-size:.86rem;font-weight:500;font-family:inherit}
.lang-menu{position:absolute;inset-inline-end:0;top:calc(100% + 8px);background:var(--bg2);border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh2);padding:6px;min-width:160px;max-height:320px;overflow:auto;z-index:60}
.lang-menu a{display:block;padding:8px 12px;border-radius:8px;color:var(--soft1);font-size:.9rem}
.lang-menu a:hover{background:var(--soft);text-decoration:none}
.lang-menu a.on{color:var(--p);background:var(--p050);font-weight:600}
.theme{background:var(--soft);border:1px solid var(--line);color:var(--text);width:36px;height:36px;border-radius:9px;cursor:pointer;font-size:1rem}
.burger{display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:20px;height:2px;background:var(--text);border-radius:2px}
.mnav{display:none;flex-direction:column;border-top:1px solid var(--line2);padding:8px 20px 16px}
.mnav a{padding:10px 4px;color:var(--soft1);font-weight:500;border-bottom:1px solid var(--line2)}
.mnav a:last-child{border:0}

/* hero */
.hero{padding:64px 0 44px;text-align:center;background:radial-gradient(60% 55% at 50% 0%,color-mix(in srgb,var(--p) 13%,transparent),transparent 72%)}
.pill{display:inline-block;background:var(--p050);color:var(--p);border:1px solid color-mix(in srgb,var(--p) 25%,transparent);padding:5px 13px;border-radius:999px;font-size:.82rem;font-weight:600;margin-bottom:16px}
.lead{font-size:clamp(1.02rem,2vw,1.22rem);color:var(--soft1);max-width:660px;margin:0 auto 24px}
.search{display:flex;gap:8px;max-width:560px;margin:0 auto}
.search input{flex:1;padding:12px 15px;border:1px solid var(--line);border-radius:11px;background:var(--bg2);color:var(--text);font-size:.95rem;font-family:inherit}
.search input:focus{outline:2px solid color-mix(in srgb,var(--p) 35%,transparent);border-color:var(--p)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:11px;font-weight:600;font-size:.94rem;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:.15s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-p{background:var(--p);color:#fff;box-shadow:var(--sh2)}
.btn-p:hover{background:var(--p2)}
.btn-g{background:var(--bg2);color:var(--text);border-color:var(--line)}
.btn-g:hover{background:var(--soft)}

/* sections */
.sec{padding:52px 0}
.sec-alt{background:var(--soft)}
.sec-cta{text-align:center;background:linear-gradient(135deg,var(--p),#7c3aed);color:#fff}
.sec-cta h2,.sec-cta p{color:#fff}
.sec-cta .btn-p{background:#fff;color:var(--p);box-shadow:none}
.sec-h{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:24px}
.sec-h h2{margin:0}
.more{font-weight:600;font-size:.9rem;white-space:nowrap}

/* featured */
.feat-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:18px}
.feat-card{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:.18s}
.feat-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);text-decoration:none}
.feat-img{height:200px;background:linear-gradient(135deg,var(--p),#06b6d4);display:flex;align-items:flex-end;padding:16px;color:#fff;font-weight:700;text-transform:uppercase;letter-spacing:.05em;font-size:.8rem}
.feat-card.big .feat-img{height:100%;min-height:320px}
.feat-body{padding:20px}
.feat-body h2{color:var(--text);font-size:1.25rem}
.feat-card.big .feat-body h2{font-size:1.6rem}
.feat-body p{color:var(--soft1);font-size:.94rem;margin-bottom:10px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.card{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;transition:.18s}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:color-mix(in srgb,var(--p) 35%,var(--line));text-decoration:none}
.card h3{color:var(--text);margin-bottom:8px}
.card p{color:var(--soft1);font-size:.92rem;margin-bottom:12px;flex:1}
.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.src{color:var(--mute);font-size:.82rem;font-weight:600}
.tag{display:inline-block;background:var(--p050);color:var(--p);padding:3px 10px;border-radius:999px;font-size:.74rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.tag-models{background:#ecfdf5;color:#059669}
.tag-research{background:#eff6ff;color:#2563eb}
.tag-industry{background:#fff7ed;color:#ea580c}
.tag-products{background:#fdf4ff;color:#c026d3}
.tag-regulation{background:#fef2f2;color:#dc2626}

/* models */
.models{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.model{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:20px;text-align:center;transition:.18s}
.model:hover{transform:translateY(-3px);box-shadow:var(--sh);text-decoration:none}
.model-cover{width:100%;height:auto;border-radius:10px;margin-bottom:12px;display:block}
.model-logo{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--p),#06b6d4);color:#fff;display:grid;place-items:center;font-size:1.4rem;font-weight:800;margin:0 auto 12px}
.model-logo.lg{width:72px;height:72px;font-size:2rem}
.model h3{color:var(--text);font-size:1.02rem;margin-bottom:2px}
.model p{color:var(--mute);font-size:.85rem;margin-bottom:10px}

/* article */
.crumb{padding:16px 20px 0;font-size:.85rem;color:var(--mute);display:flex;gap:8px;flex-wrap:wrap}
.crumb a{color:var(--mute)}
.art{max-width:800px}
.art-head{padding:24px 0 8px}
.art-head h1{margin-bottom:12px}
.art-sum{font-size:1.15rem;color:var(--soft1);font-weight:500}
.art-meta{display:flex;gap:10px;color:var(--mute);font-size:.88rem;margin-top:12px;flex-wrap:wrap}
.art-cover{margin:18px 0 0;border-radius:var(--r);overflow:hidden;box-shadow:var(--sh)}
.art-cover img{width:100%;height:auto;display:block}
.card-cover{width:100%;height:auto;border-radius:10px;margin-bottom:12px;display:block}
.card-img{padding-top:16px}
.art-body h2{margin-top:1.6em;font-size:1.35rem}
.art-body h3{margin-top:1.4em}
.art-body p,.art-body li{color:var(--text)}
.art-body a{text-decoration:underline}
.art-body code{background:var(--soft);padding:2px 6px;border-radius:5px;font-size:.9em}
.art-body ul{padding-inline-start:22px}
.model-head{display:flex;gap:18px;align-items:center;margin-bottom:16px}
.spec{width:100%;border-collapse:collapse;margin:14px 0}
.spec th,.spec td{border:1px solid var(--line);padding:9px 12px;text-align:start;font-size:.92rem}
.spec th{background:var(--soft);width:38%;font-weight:600}
.tags{margin:22px 0;padding-top:18px;border-top:1px solid var(--line2);color:var(--mute);font-size:.9rem}
.chip{display:inline-block;background:var(--soft);color:var(--soft1);padding:4px 11px;border-radius:999px;font-size:.82rem;margin:2px}

/* ads */
.ad-slot{margin:26px auto;text-align:center;min-height:90px;display:flex;align-items:center;justify-content:center;color:var(--mute);font-size:.78rem}
.ad-slot:empty::before{content:'Advertisement';opacity:.5}

/* page hero */
.page-h{padding:48px 0 24px;text-align:center;background:radial-gradient(60% 60% at 50% 0%,color-mix(in srgb,var(--p) 10%,transparent),transparent 72%)}
.page-h p{color:var(--soft1);max-width:620px;margin:0 auto}

/* prose */
.prose{max-width:780px}
.prose h2{margin-top:1.4em}
.prose p,.prose li{color:var(--soft1)}

/* footer */
.ftr{background:var(--soft);border-top:1px solid var(--line);padding:48px 0 22px;margin-top:36px}
.ftr-g{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
.ftr-tag{color:var(--mute);font-size:.9rem;margin-top:12px;max-width:260px}
.ftr h4{font-size:.84rem;text-transform:uppercase;letter-spacing:.05em;color:var(--mute);margin-bottom:14px}
.ftr a{display:block;color:var(--soft1);font-size:.9rem;padding:4px 0}
.ftr a:hover{color:var(--p);text-decoration:none}
.ftr-b{border-top:1px solid var(--line);margin-top:32px;padding-top:18px;text-align:center}
.ftr-b p{color:var(--mute);font-size:.84rem;margin:0}

[dir="rtl"] .nav{margin-inline-start:0;margin-inline-end:8px}
[dir="rtl"] .hdr-act{margin-inline-start:0;margin-inline-end:auto}

@media(max-width:900px){
  .feat-grid{grid-template-columns:1fr}
  .feat-card.big .feat-img{min-height:220px}
  .ftr-g{grid-template-columns:1fr 1fr}
}
@media(max-width:700px){
  .nav{display:none}
  .burger{display:flex}
  .mnav.open{display:flex}
  .hero{padding:44px 0 30px}
  .sec{padding:38px 0}
  .ftr-g{grid-template-columns:1fr;gap:22px}
  .lang-btn span{display:none}
  .model-head{flex-direction:column;text-align:center}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}