/* IFCLab Blog — az ifclab.eu design-nyelve (Runway-stilus)
   Generalva: Growth HUB / ifclab_blog. Kezzel ne szerkeszd. */

:root{
  --bg:#ffffff; --bg2:#f5f6f8; --ink:#0b0d10; --muted:#616771; --line:#e6e9ed;
  --accent:#10b7ae; --accent-ink:#0b8f87; --purple:#7c5cff;
  --shadow:0 1px 2px rgba(11,13,16,.05),0 20px 44px -22px rgba(11,13,16,.22);
  --maxw:1200px; --r:20px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0a0c11; --bg2:#12151b; --ink:#eef1f4; --muted:#98a0a8; --line:#20242c;
  --accent:#33d6cc; --accent-ink:#7ce7de;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 26px 54px -24px rgba(0,0,0,.7);
}}
:root[data-theme="dark"]{
  --bg:#0a0c11; --bg2:#12151b; --ink:#eef1f4; --muted:#98a0a8; --line:#20242c;
  --accent:#33d6cc; --accent-ink:#7ce7de;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 26px 54px -24px rgba(0,0,0,.7);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Instrument Sans",system-ui,sans-serif;font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.mono{font-family:"Space Mono",monospace}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;text-wrap:balance;line-height:1.12}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.eyebrow{font-family:"Space Mono",monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-ink)}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:12px 20px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .18s,background .2s,border-color .2s;font-family:inherit}
.btn-primary{background:var(--accent);color:#04201e}.btn-primary:hover{transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:var(--bg)}.btn-dark:hover{transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}.btn-ghost:hover{border-color:var(--ink)}

/* NAV */
nav{position:sticky;top:0;z-index:60;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:14px 28px;display:flex;align-items:center;gap:20px}
.nav-links{display:flex;gap:22px;margin:0 auto}
.nav-links a{font-size:16.5px;color:var(--ink);font-weight:700}
.nav-links a.on{color:var(--accent-ink)}
.nav-right{display:flex;gap:10px;align-items:center}
.brand{display:inline-flex;align-items:center}
.brand img{height:30px;width:auto;display:block}
.brand .logo-l{display:none}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .brand .logo-d{display:none}:root:not([data-theme="light"]) .brand .logo-l{display:block}}
:root[data-theme="dark"] .brand .logo-d{display:none}
:root[data-theme="dark"] .brand .logo-l{display:block}
.langsw{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;margin-right:2px}
.langsw button{border:none;background:transparent;color:var(--muted);font-family:inherit;font-size:13px;font-weight:600;padding:7px 11px;cursor:pointer;line-height:1}
.langsw button.active{background:var(--ink);color:var(--bg)}
.ham{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;border:none;background:none;cursor:pointer;padding:9px;margin-right:2px}
.ham span{display:block;height:2.5px;width:22px;background:var(--ink);border-radius:2px;transition:transform .3s,opacity .2s}
.ham.active span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.ham.active span:nth-child(2){opacity:0}
.ham.active span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.drawer-ov{position:fixed;inset:0;z-index:95;background:rgba(6,8,14,.5);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.drawer-ov.show{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;left:0;bottom:0;width:min(82vw,330px);z-index:96;background:var(--bg);border-right:1px solid var(--line);box-shadow:10px 0 44px -12px rgba(0,0,0,.45);transform:translateX(-102%);transition:transform .34s cubic-bezier(.2,.85,.25,1);display:flex;flex-direction:column;padding:18px 18px 24px}
.drawer.open{transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.brand-mini{font-weight:700;font-size:21px;letter-spacing:-.03em}
.brand-mini span{color:var(--accent-ink)}
.drawer-x{border:none;background:none;font-size:28px;color:var(--muted);cursor:pointer;line-height:1;padding:0 4px}
.drawer-nav{display:flex;flex-direction:column;margin-top:4px}
.drawer-nav a{padding:15px 6px;font-size:18px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-bottom{margin-top:auto;display:flex;flex-direction:column;gap:14px;padding-top:18px}
.drawer-bottom .langsw{align-self:flex-start}
.drawer-bottom .btn-primary{justify-content:center;padding:14px}
@media(max-width:860px){.ham{display:flex}.nav-links{display:none}.nav-right .langsw{display:none}}

/* ===== BLOG INDEX ===== */
.bhead{padding:74px 0 34px;border-bottom:1px solid var(--line);background:var(--bg2)}
.bhead h1{font-size:clamp(38px,6vw,68px)}
.bhead p{color:var(--muted);font-size:19px;max-width:60ch;margin:16px 0 0}
.bfilter{display:flex;gap:8px;flex-wrap:wrap;margin:26px 0 0}
.bfilter a{border:1px solid var(--line);border-radius:999px;padding:7px 15px;font-size:14px;font-weight:600;color:var(--muted);background:var(--bg)}
.bfilter a.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}

.blist{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;padding:44px 0 80px}
@media(max-width:960px){.blist{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.blist{grid-template-columns:1fr}}
.bcard{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--bg);box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .22s,border-color .22s}
.bcard:hover{transform:translateY(-4px);border-color:var(--accent)}
.bcard .thumb{aspect-ratio:16/9;background:linear-gradient(135deg,#0b8f87,#7c5cff);position:relative;overflow:hidden;display:block}
.bcard .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;font-family:"Space Mono",monospace;font-size:13px;letter-spacing:.2em;text-transform:uppercase;opacity:.85}
.bhero .thumb .ph{font-size:16px}
.bcard .body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.bcard .meta{font-family:"Space Mono",monospace;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-ink)}
.bcard h2{font-size:21px;line-height:1.25}
.bcard p{color:var(--muted);font-size:15.5px;margin:0}
.bcard .more{margin-top:auto;padding-top:12px;font-weight:700;font-size:15px;color:var(--accent-ink)}
.bempty{padding:70px 0 110px;text-align:center;color:var(--muted)}

/* Kiemelt (elso) cikk */
.bhero{display:grid;grid-template-columns:1.15fr 1fr;gap:34px;align-items:center;padding:44px 0 10px}
@media(max-width:860px){.bhero{grid-template-columns:1fr;gap:22px}}
.bhero .thumb{aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;background:linear-gradient(135deg,#0b8f87,#7c5cff);position:relative;box-shadow:var(--shadow)}
.bhero .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.bhero h2{font-size:clamp(26px,3.4vw,40px)}
.bhero p{color:var(--muted);font-size:17.5px}

/* ===== CIKK ===== */
.artwrap{max-width:760px;margin:0 auto;padding:0 28px}
.art-head{padding:58px 0 0}
.art-back{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:14.5px;font-weight:600;margin-bottom:26px}
.art-back:hover{color:var(--accent-ink)}
.art-meta{font-family:"Space Mono",monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink);display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.art-meta .dot{color:var(--line)}
.art-head h1{font-size:clamp(32px,5vw,52px);margin:18px 0 0}
.art-lead{color:var(--muted);font-size:20px;line-height:1.5;margin:20px 0 0}
.art-hero{margin:38px auto 0;max-width:1000px;padding:0 28px}
.art-hero img{width:100%;border-radius:var(--r);display:block;box-shadow:var(--shadow)}

.art-body{font-size:18.5px;line-height:1.72;padding:14px 0 10px}
.art-body h2{font-size:28px;margin:44px 0 14px}
.art-body h3{font-size:21px;margin:32px 0 10px}
.art-body p{margin:0 0 20px}
.art-body ul,.art-body ol{margin:0 0 22px;padding-left:24px}
.art-body li{margin:0 0 10px}
.art-body a{color:var(--accent-ink);text-decoration:underline;text-underline-offset:3px}
.art-body strong{font-weight:700}
.art-body blockquote{margin:28px 0;padding:4px 0 4px 22px;border-left:3px solid var(--accent);color:var(--ink);font-size:20px;line-height:1.5}
.art-body code{font-family:"Space Mono",monospace;font-size:.88em;background:var(--bg2);border:1px solid var(--line);border-radius:6px;padding:1px 6px}
.art-body pre{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:18px;overflow-x:auto}
.art-body pre code{border:none;background:none;padding:0}
.art-body .tblwrap{overflow-x:auto;margin:0 0 24px;-webkit-overflow-scrolling:touch}
.art-body table{width:100%;border-collapse:collapse;margin:0;font-size:16px;min-width:420px}
.art-body th,.art-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.art-body th{background:var(--bg2);font-weight:700}
.art-body img{border-radius:14px;display:block;margin:26px 0}
.art-body hr{border:none;border-top:1px solid var(--line);margin:36px 0}

.art-tags{display:flex;gap:8px;flex-wrap:wrap;margin:34px 0 0}
.art-tags span{border:1px solid var(--line);border-radius:999px;padding:5px 13px;font-size:13px;color:var(--muted)}

/* CTA a cikk vegen */
.art-cta{max-width:860px;margin:56px auto 0;padding:0 28px}
.art-cta .box{border-radius:var(--r);padding:38px 34px;background:linear-gradient(135deg,#0b8f87,#7c5cff);color:#fff;box-shadow:var(--shadow)}
.art-cta h3{font-size:clamp(23px,3vw,32px);color:#fff}
.art-cta p{margin:12px 0 22px;font-size:17px;color:#eaf7f6;max-width:52ch}
.art-cta .btn-primary{background:#fff;color:#0b2b29}

.art-next{max-width:1200px;margin:70px auto 0;padding:0 28px 84px}
.art-next h4{font-family:"Space Mono",monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:0 0 20px}
.art-next .blist{padding:0}

/* FOOTER */
footer{background:#080a0e;color:#f1f4f8;margin-top:0;padding:60px 0 70px}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}
.foot-col h5{font-family:"Space Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin:0 0 14px}
.foot-col a{display:block;color:#eef1f5;font-size:14.5px;padding:5px 0}
.foot-col a:hover{color:#37e0d6}
.foot-bottom{max-width:var(--maxw);margin:36px auto 0;padding:22px 28px 0;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#dfe4ea;font-size:13px}
@media(max-width:860px){.foot-grid{grid-template-columns:1.6fr 1fr 1fr}.foot-col h5{font-size:13px}.foot-col a{font-size:16px;padding:6px 0}.foot-bottom{font-size:15px}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}