/* ============================================================
   MD_Frontend — style.css
   Extracted from prototype: index.html, blog-lista.html, blog-artykul.html
   ============================================================ */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0A0A0A;--surface:#111;--surface-2:#161616;--border:#1A1A1A;--border-mid:#252525;
  --text:#F5F5F0;--text-dim:#AAA;--muted:#888;--dim:#444;
  --accent:#C9A96E;--accent-soft:rgba(201,169,110,0.07);--accent-border:rgba(201,169,110,0.18);
  --ease:cubic-bezier(0.22,1,0.36,1);

  /* Light palette — .article-body only */
  --light-bg:#F7F5F1;
  --light-surface:#FFFFFF;
  --light-text:#1A1A16;
  --light-muted:#666;
  --light-border:#E5E2DA;
  --light-border-mid:#D0CCC4;
}
html{scroll-behavior:smooth}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;display:block!important}
body::after{content:'';position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:0.035;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-repeat:repeat;background-size:200px}
img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ============================================================
   NAV
   ============================================================ */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;height:64px;display:flex!important;align-items:center;justify-content:center;border-bottom:1px solid rgba(255,255,255,0.04)}.nav::before{content:'';position:absolute;inset:0;background:rgba(10,10,10,0.7);backdrop-filter:blur(32px);-webkit-backdrop-filter:blur(32px);z-index:-1}
.nav-inner{width:100%;max-width:1400px;margin:0 auto;padding:0 clamp(24px,4vw,64px);display:flex;align-items:center;justify-content:space-between}
.nav-brand{font-weight:700;font-size:12px;letter-spacing:0.14em;text-transform:uppercase}
.nav-links{display:flex!important;gap:36px;list-style:none;height:auto!important;align-items:center;margin:0;padding:0}
.nav-links a{font-size:15px;color:var(--muted);letter-spacing:0.03em;transition:color 0.3s}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--accent)}
.nav-cta{font-size:12px;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;color:var(--bg);background:var(--accent);padding:9px 20px;border-radius:6px;transition:all 0.3s var(--ease)}
.nav-cta:hover{filter:brightness(1.1)}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:22px;cursor:pointer}
.nav-toggle span{height:1.5px;background:var(--text);border-radius:2px;display:block}

/* ============================================================
   UTILITIES
   ============================================================ */
.eyebrow{font-family:'Space Mono',monospace;font-size:11px;letter-spacing:0.25em;text-transform:uppercase;color:var(--accent)}
.btn{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:600;padding:16px 34px!important;border-radius:8px;transition:all 0.35s var(--ease);letter-spacing:0.02em;border:none!important;background:none;color:inherit;line-height:1.5;text-align:center;vertical-align:middle}
.btn-gold{background:var(--accent)!important;color:#0A0A0A!important}
.btn-gold:hover{background:var(--accent)!important;color:#0A0A0A!important;filter:brightness(1.1);transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--border-mid)!important;color:var(--text-dim)}
.btn-ghost:hover{border-color:var(--accent-border)!important;color:var(--text)}
.divider{height:1px;background:linear-gradient(90deg,transparent 0%,var(--border-mid) 30%,var(--border-mid) 70%,transparent 100%);max-width:1400px;margin:0 auto}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.rv{opacity:0;transform:translateY(48px);transition:opacity 0.9s var(--ease),transform 0.9s var(--ease)}
.rv.vis{opacity:1;transform:translateY(0)}
.rv-d1{transition-delay:0.08s}.rv-d2{transition-delay:0.16s}.rv-d3{transition-delay:0.24s}.rv-d4{transition-delay:0.32s}.rv-d5{transition-delay:0.4s}

@keyframes fadeUp{from{opacity:0;transform:translateY(36px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes pulse{0%,100%{opacity:0.3}50%{opacity:1}}

/* ============================================================
   HERO
   ============================================================ */
.hero{min-height:100vh;display:grid;grid-template-columns:1fr 420px;align-items:end;padding:0 clamp(24px,4vw,64px);padding-top:64px;gap:40px;position:relative;max-width:1400px;margin:0 auto}
.hero::before{content:'';position:absolute;top:10%;right:5%;width:50vw;height:50vw;max-width:700px;max-height:700px;background:radial-gradient(circle,rgba(201,169,110,0.045) 0%,transparent 65%);pointer-events:none}
.hero-text{padding-bottom:clamp(80px,12vh,160px)}
.hero-eyebrow{font-family:'Space Mono',monospace;font-size:11px;letter-spacing:0.25em;text-transform:uppercase;color:var(--accent);margin-bottom:32px;opacity:0;animation:fadeUp 0.8s var(--ease) 0.3s forwards}
.hero h1{font-family:'Instrument Serif',serif;font-size:clamp(44px,6vw,82px);font-weight:400;line-height:1.05;letter-spacing:-0.025em;margin-bottom:32px;opacity:0;animation:fadeUp 0.8s var(--ease) 0.5s forwards}
.hero h1 em{font-style:italic;color:var(--accent)}
.hero-sub{font-size:18px;color:var(--muted);line-height:1.7;max-width:420px;margin-bottom:44px;opacity:0;animation:fadeUp 0.8s var(--ease) 0.7s forwards}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;opacity:0;animation:fadeUp 0.8s var(--ease) 0.9s forwards}
.hero-photo{align-self:stretch!important;position:relative;opacity:0;animation:fadeIn 1.2s var(--ease) 0.6s forwards;min-height:80vh}
.hero-photo-inner{position:absolute;bottom:0;left:0;right:0;height:85%;background:var(--surface);border:1px solid var(--border);border-bottom:none;border-radius:20px 20px 0 0;overflow:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--dim);font-size:12px}
.hero-photo-inner::before{content:'';position:absolute;inset:0;background:linear-gradient(160deg,rgba(201,169,110,0.04) 0%,transparent 40%)}
.hero-photo-inner svg{width:40px;height:40px;stroke:var(--dim);fill:none;stroke-width:1}
.hero-scroll-hint{position:absolute;bottom:32px;right:-48px;font-family:'Space Mono',monospace;font-size:9px;letter-spacing:0.2em;color:var(--dim);writing-mode:vertical-rl;animation:pulse 2.5s ease-in-out infinite}

/* ============================================================
   FILARY
   ============================================================ */
.filary{padding:140px clamp(24px,4vw,64px);max-width:1400px;margin:0 auto}
.filary-header{display:grid;grid-template-columns:1fr 1fr;gap:80px;margin-bottom:72px}
.filary-header h2{font-family:'Instrument Serif',serif;font-size:clamp(36px,4.5vw,56px);font-weight:400;line-height:1.1;letter-spacing:-0.02em}
.filary-header p{font-size:17px;color:var(--muted);line-height:1.75;align-self:end;max-width:400px}
.filar-row{display:grid;grid-template-columns:80px 200px 1fr auto;align-items:center;gap:32px;padding:36px 0;border-top:1px solid var(--border);transition:border-color 0.4s;cursor:pointer;text-decoration:none;color:inherit}
.filar-row:last-child{border-bottom:1px solid var(--border)}
.filar-row:hover{border-top-color:var(--accent-border)}
.filar-num{font-family:'Instrument Serif',serif;font-size:56px;color:var(--text);opacity:0.06;line-height:1}
.filar-row:hover .filar-num{opacity:0.15}
.filar-title{font-family:'Instrument Serif',serif;font-size:30px;color:var(--accent);transition:letter-spacing 0.4s var(--ease)}
.filar-row:hover .filar-title{letter-spacing:0.02em}
.filar-desc{font-size:15px;color:var(--muted);line-height:1.65;max-width:460px}
.filar-tags{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.filar-tag{font-family:'Space Mono',monospace;font-size:9px;letter-spacing:0.1em;text-transform:uppercase;color:var(--dim);border:1px solid var(--border);padding:4px 10px;border-radius:100px}

/* ============================================================
   DLA KOGO
   ============================================================ */
.dlakogo{padding:140px clamp(24px,4vw,64px);max-width:1400px;margin:0 auto;display:grid;grid-template-columns:340px 1fr;gap:100px}
.dlakogo-left{position:sticky;top:140px;align-self:start}
.dlakogo-left h2{font-family:'Instrument Serif',serif;font-size:clamp(32px,3.5vw,44px);font-weight:400;line-height:1.15;margin-top:20px}
.dlakogo-list{display:flex;flex-direction:column}
.dlakogo-item{padding:40px 0;border-bottom:1px solid var(--border);position:relative}
.dlakogo-item::before{content:'';position:absolute;left:0;top:40px;width:0;height:1px;background:var(--accent);transition:width 0.6s var(--ease)}
.dlakogo-item:hover::before{width:40px}
.dlakogo-item h4{font-size:22px;font-weight:600;margin-bottom:8px;padding-left:0;transition:padding-left 0.4s var(--ease)}
.dlakogo-item:hover h4{padding-left:52px}
.dlakogo-item p{font-size:15px;color:var(--muted);line-height:1.7;max-width:420px;transition:padding-left 0.4s var(--ease)}
.dlakogo-item:hover p{padding-left:52px}

/* ============================================================
   SYSTEM (problems + model merged)
   ============================================================ */
.system{padding:160px clamp(24px,4vw,64px) 140px;max-width:1400px;margin:0 auto}
.system-intro{max-width:680px;margin-bottom:80px}
.system-intro h2{font-family:'Instrument Serif',serif;font-size:clamp(36px,4.5vw,56px);font-weight:400;line-height:1.08;letter-spacing:-0.02em;margin-top:20px;margin-bottom:24px}
.system-intro p{font-size:18px;color:var(--muted);line-height:1.75}
.system-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
.system-problems{border-right:1px solid var(--border);padding-right:64px}
.system-problems h3{font-family:'Space Mono',monospace;font-size:11px;letter-spacing:0.25em;text-transform:uppercase;color:var(--dim);margin-bottom:36px}
.problem{display:flex;gap:16px;margin-bottom:28px;align-items:flex-start}
.problem-x{font-family:'Instrument Serif',serif;font-size:24px;color:#C05050;flex-shrink:0;line-height:1.2;margin-top:-2px}
.problem strong{display:block;font-size:16px;font-weight:600;margin-bottom:3px}
.problem span{font-size:14px;color:var(--muted);line-height:1.6}
.system-model{padding-left:64px}
.system-model h3{font-family:'Space Mono',monospace;font-size:11px;letter-spacing:0.25em;text-transform:uppercase;color:var(--accent);margin-bottom:36px}
.model-step{position:relative;padding-left:36px;margin-bottom:36px;padding-bottom:36px;border-bottom:1px solid var(--border)}
.model-step:last-child{border-bottom:none}
.model-step::before{content:'';position:absolute;left:0;top:6px;width:8px;height:8px;border-radius:50%;border:2px solid var(--accent-border);background:var(--bg);transition:background 0.3s,border-color 0.3s}
.model-step:hover::before{background:var(--accent);border-color:var(--accent)}
.model-step::after{content:'';position:absolute;left:3px;top:20px;bottom:-4px;width:2px;background:var(--border)}
.model-step:last-child::after{display:none}
.model-step h4{font-size:18px;font-weight:600;margin-bottom:6px}
.model-step p{font-size:15px;color:var(--muted);line-height:1.65}
.system-quote{margin-top:80px;padding:48px 56px;background:var(--surface);border:1px solid var(--border);border-radius:16px;position:relative;overflow:hidden}
.system-quote::before{content:'';position:absolute;top:0;left:0;width:3px;height:100%;background:var(--accent)}
.system-quote blockquote{font-family:'Instrument Serif',serif;font-size:clamp(22px,2.5vw,30px);font-style:italic;line-height:1.4}
.system-quote cite{display:block;margin-top:16px;font-family:'Space Mono',monospace;font-size:10px;letter-spacing:0.15em;text-transform:uppercase;color:var(--dim);font-style:normal}

/* ============================================================
   PROGRAMY
   ============================================================ */
.programy{padding:140px clamp(24px,4vw,64px);max-width:1400px;margin:0 auto}
.programy-header{display:flex;justify-content:space-between;align-items:end;margin-bottom:64px;gap:40px}
.programy-header h2{font-family:'Instrument Serif',serif;font-size:clamp(36px,4.5vw,56px);font-weight:400;line-height:1.08;letter-spacing:-0.02em;max-width:500px}
.programy-header p{font-size:15px;color:var(--muted);max-width:320px;text-align:right;line-height:1.65}
.programy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prog{background:var(--surface);border:1px solid var(--border);border-radius:16px;display:flex;flex-direction:column;transition:border-color 0.4s var(--ease);position:relative;overflow:hidden}
.prog:hover{border-color:var(--accent-border);z-index:1}
.prog-top{padding:40px 32px 32px;border-bottom:1px solid var(--border)}
.prog-filar{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:0.2em;text-transform:uppercase;color:var(--accent);margin-bottom:20px;display:block}
.prog h3{font-family:'Instrument Serif',serif;font-size:clamp(20px,2.2vw,28px);font-weight:400;line-height:1.25;margin-bottom:12px}
.prog-desc{font-size:15px;color:var(--muted);line-height:1.65}
.prog-body{padding:28px 32px;flex:1;display:flex;flex-direction:column}
.prog-feat{list-style:none;margin-bottom:32px;flex:1}
.prog-feat li{font-size:14px;color:var(--text-dim);padding:9px 0;border-bottom:1px solid rgba(255,255,255,0.03);display:flex;gap:10px;align-items:baseline}
.prog-feat li::before{content:'\2192';color:var(--accent);font-size:11px;flex-shrink:0}
.prog-price{display:flex;align-items:baseline;gap:6px;margin-bottom:20px}
.prog-price .val{font-size:36px;font-weight:700;letter-spacing:-0.02em}
.prog-price .cur{font-size:14px;color:var(--muted)}
.prog-price .once{font-family:'Space Mono',monospace;font-size:9px;color:var(--dim);letter-spacing:0.05em;margin-left:4px}
.prog-cta{display:block;text-align:center;font-size:14px;font-weight:600;padding:14px;border-radius:8px;background:var(--accent);color:var(--bg);transition:all 0.3s var(--ease)}
.prog-cta:hover{filter:brightness(1.12)}

/* ============================================================
   WSPOLPRACA
   ============================================================ */
.wspolpraca{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.wspolpraca-inner{max-width:1400px;margin:0 auto;padding:140px clamp(24px,4vw,64px);display:grid;grid-template-columns:1fr 1fr;gap:100px}
.wspolpraca-left h2{font-family:'Instrument Serif',serif;font-size:clamp(32px,3.5vw,48px);font-weight:400;line-height:1.12;margin-top:20px;margin-bottom:24px}
.wspolpraca-left>p{font-size:17px;color:var(--muted);line-height:1.75;margin-bottom:16px;max-width:440px}
.price-range{font-family:'Space Mono',monospace;font-size:11px;color:var(--dim);letter-spacing:0.05em;margin-bottom:32px;display:block}
.ws-step{display:grid;grid-template-columns:48px 1fr;gap:20px;padding:28px 0;border-bottom:1px solid var(--border)}
.ws-step:last-child{border-bottom:none}
.ws-num{font-family:'Instrument Serif',serif;font-size:36px;color:var(--text);opacity:0.08;line-height:1}
.ws-step h4{font-size:17px;font-weight:600;margin-bottom:4px}
.ws-step p{font-size:15px;color:var(--muted);line-height:1.6}

/* ============================================================
   CASE STUDIES (horizontal scroll)
   ============================================================ */
.cases{padding:140px clamp(24px,4vw,64px);max-width:1400px;margin:0 auto}
.cases-header{margin-bottom:56px;display:flex;justify-content:space-between;align-items:end}
.cases-header h2{font-family:'Instrument Serif',serif;font-size:clamp(36px,4.5vw,56px);font-weight:400;line-height:1.08;margin-top:20px}
.cases-scroll-hint{font-family:'Space Mono',monospace;font-size:10px;color:var(--dim);letter-spacing:0.15em;text-transform:uppercase}
.cases-track{display:flex!important;flex-wrap:nowrap!important;gap:20px;overflow-x:auto;scroll-snap-type:x proximity;padding-bottom:20px;scrollbar-width:none;-ms-overflow-style:none;scroll-behavior:smooth}
.cases-track::-webkit-scrollbar{display:none}
.cases-nav{display:flex;gap:8px}
.cases-nav button{width:48px;height:48px;border-radius:50%;border:1px solid var(--border-mid);background:transparent;color:var(--text-dim);display:flex;align-items:center;justify-content:center;transition:all 0.3s var(--ease);cursor:pointer}
.cases-nav button:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.cases-nav button svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2}
.case{flex:0 0 420px!important;width:420px;min-width:420px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:40px 32px;scroll-snap-align:start;display:flex;flex-direction:column;transition:border-color 0.3s}
.case:hover{border-color:var(--accent-border)}
.case-tag{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:0.15em;text-transform:uppercase;color:var(--accent);margin-bottom:20px}
.case h4{font-size:22px;font-weight:600;line-height:1.35;margin-bottom:16px}
.case-problem{font-size:15px;color:var(--muted);line-height:1.65;margin-bottom:12px;flex:1}
.case-result{font-size:15px;color:var(--accent);font-weight:500;line-height:1.6;margin-bottom:20px}
.case-metric{display:flex;align-items:baseline;gap:10px;padding:16px 20px;background:var(--accent-soft);border:1px solid var(--accent-border);border-radius:10px;align-self:flex-start}
.case-metric .big{font-size:28px;font-weight:700;color:var(--accent);line-height:1}
.case-metric .lab{font-size:12px;color:var(--muted)}

/* ============================================================
   O MNIE
   ============================================================ */
.omnie{padding:140px clamp(24px,4vw,64px);max-width:1400px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.omnie-photo-box{aspect-ratio:4/5;background:var(--surface);border:1px solid var(--border);border-radius:16px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;color:var(--dim);font-size:12px;overflow:hidden;position:relative}
.omnie-photo-box::before{content:'';position:absolute;bottom:0;left:0;right:0;height:40%;background:linear-gradient(180deg,transparent,rgba(201,169,110,0.04))}
.omnie-photo-box svg{width:36px;height:36px;stroke:var(--dim);fill:none;stroke-width:1}
.omnie-quote{font-family:'Instrument Serif',serif;font-size:clamp(24px,2.5vw,32px);font-style:italic;line-height:1.35;margin-bottom:28px;position:relative;padding-left:28px}
.omnie-quote::before{content:'';position:absolute;left:0;top:6px;bottom:6px;width:3px;background:var(--accent);border-radius:2px}
.omnie-bio{font-size:16px;color:var(--muted);line-height:1.75;margin-bottom:40px}
.omnie-stats{display:flex;gap:48px}
.omnie-stat .num{font-size:36px;font-weight:700;color:var(--accent);line-height:1;margin-bottom:4px}
.omnie-stat .label{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:0.1em;text-transform:uppercase;color:var(--dim)}

/* ============================================================
   FAQ
   ============================================================ */
.faq{padding:140px clamp(24px,4vw,64px);max-width:800px;margin:0 auto}
.faq h2{font-family:'Instrument Serif',serif;font-size:clamp(32px,3.5vw,44px);font-weight:400;margin-top:20px;margin-bottom:56px}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;padding:24px 0;font-size:17px;font-weight:500;text-align:left;transition:color 0.3s}
.faq-q:hover{color:var(--accent)}
.faq-plus{width:28px;height:28px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--muted);flex-shrink:0;transition:all 0.3s var(--ease)}
.faq-item.open .faq-plus{transform:rotate(45deg);border-color:var(--accent-border);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 0.5s var(--ease)}
.faq-item.open .faq-a{max-height:200px}
.faq-a p{font-size:15px;color:var(--muted);line-height:1.7;padding-bottom:24px}

/* ============================================================
   FINAL CTA
   ============================================================ */
.final{padding:160px clamp(24px,4vw,64px);text-align:center;position:relative;max-width:1400px;margin:0 auto}
.final::before{content:'';position:absolute;top:40%;left:50%;transform:translate(-50%,-50%);width:60vw;height:50vh;max-width:800px;background:radial-gradient(ellipse,rgba(201,169,110,0.04) 0%,transparent 70%);pointer-events:none}
.final h2{font-family:'Instrument Serif',serif;font-size:clamp(36px,5vw,64px);font-weight:400;line-height:1.08;letter-spacing:-0.02em;margin-bottom:20px;position:relative}
.final p{font-size:18px;color:var(--muted);max-width:480px;margin:0 auto 44px;line-height:1.7;position:relative}
.final-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;position:relative}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{border-top:1px solid var(--border);padding:40px clamp(24px,4vw,64px);display:flex;justify-content:space-between;align-items:center;max-width:1400px;margin:0 auto}
.footer-brand{font-weight:700;font-size:11px;letter-spacing:0.12em;text-transform:uppercase;color:var(--muted)}
.footer-links{display:flex;gap:28px;list-style:none}
.footer-links a{font-size:13px;color:var(--muted);transition:color 0.3s}
.footer-links a:hover{color:var(--text)}
.footer-copy{font-family:'Space Mono',monospace;font-size:10px;color:var(--muted);letter-spacing:0.08em}

/* ============================================================
   BLOG LIST
   ============================================================ */
.blog-hero{padding:140px clamp(24px,4vw,64px) 80px;border-bottom:1px solid var(--border);max-width:1400px;margin:0 auto}
.blog-hero .eyebrow{display:block;margin-bottom:20px}
.blog-hero h1{font-family:'Instrument Serif',serif;font-size:clamp(40px,5.5vw,72px);font-weight:400;line-height:1.05;letter-spacing:-0.025em;margin-bottom:20px}
.blog-hero h1 em{font-style:italic;color:var(--accent)}
.blog-hero p{font-size:17px;color:var(--muted);line-height:1.7;max-width:480px}

.blog-filters{padding:32px clamp(24px,4vw,64px);display:flex;gap:8px;flex-wrap:wrap;border-bottom:1px solid var(--border);max-width:1400px;margin:0 auto}
.filter-btn{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:0.12em;text-transform:uppercase;padding:7px 16px;border-radius:100px;border:1px solid var(--border-mid);color:var(--dim);background:transparent;cursor:pointer;transition:all 0.25s var(--ease);text-decoration:none;display:inline-block}
.filter-btn:hover,.filter-btn.active{border-color:var(--accent-border);color:var(--accent);background:var(--accent-soft)}

.blog-grid-wrap{padding:clamp(24px,4vw,64px) clamp(24px,4vw,64px) 120px;background:var(--bg);max-width:1400px;margin:0 auto}
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:0;background:var(--bg);max-width:1400px;margin:0 auto}

/* Article card */
.article-card{background:var(--bg);padding:36px;display:flex;flex-direction:column;gap:16px;transition:background 0.3s var(--ease);cursor:pointer;text-decoration:none;color:inherit;border-right:1px solid var(--border);border-bottom:1px solid var(--border)}
.article-card:hover{background:var(--surface)}
.article-card-img{aspect-ratio:16/9;background:var(--surface-2);border-radius:6px;overflow:hidden;position:relative;margin-bottom:4px}
.article-card-img::after{content:'';position:absolute;inset:0;background:linear-gradient(160deg,var(--accent-soft) 0%,transparent 50%)}
.article-card-img img{width:100%;height:100%;object-fit:cover;color:transparent}
.article-meta{display:flex;align-items:center;gap:12px}
.article-tag{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:0.12em;text-transform:uppercase;color:var(--accent)}
.article-time{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:0.06em;color:var(--dim)}
.article-card h2{font-family:'Instrument Serif',serif;font-size:clamp(20px,2vw,26px);font-weight:400;line-height:1.2;letter-spacing:-0.01em;color:var(--text)}
.article-card h3{font-family:'Instrument Serif',serif;font-size:clamp(20px,2vw,26px);font-weight:400;line-height:1.2;letter-spacing:-0.01em;color:var(--text)}
.article-card p{font-size:15px;color:var(--muted);line-height:1.65}
.article-read-more{font-size:13px;color:var(--accent);display:flex;align-items:center;gap:6px;margin-top:auto;font-weight:500}

/* Featured card */
.article-card.featured{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:48px;border-bottom:1px solid var(--border)}
.article-card.featured .article-card-img{aspect-ratio:auto;height:100%;min-height:240px;margin-bottom:0}
.article-card.featured h2{font-size:clamp(28px,3vw,40px)}

/* Pagination */
.blog-pagination{padding:48px clamp(24px,4vw,64px);display:flex;justify-content:center;gap:8px;max-width:1400px;margin:0 auto}
.page-link{font-family:'Space Mono',monospace;font-size:12px;padding:8px 14px;border:1px solid var(--border-mid);color:var(--muted);transition:all 0.2s;text-decoration:none}
.page-link:hover,.page-link.active{border-color:var(--accent);color:var(--accent)}

/* ============================================================
   BLOG POST (SANDWICH)
   ============================================================ */
.article-header{padding:100px clamp(24px,4vw,64px) 60px;background:var(--bg);border-bottom:1px solid var(--border);max-width:1400px;margin:0 auto}
.breadcrumb{display:flex;align-items:center;gap:8px;margin-bottom:32px}
.breadcrumb a{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:0.2em;text-transform:uppercase;color:var(--dim);transition:color 0.3s}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb-sep{color:var(--dim);font-size:10px}
.breadcrumb-current{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:0.2em;text-transform:uppercase;color:var(--accent)}
.article-tag-wrap{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.article-header .article-tag{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:0.2em;text-transform:uppercase;color:var(--accent)}
.article-read-time{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:0.1em;color:var(--dim)}
.article-header h1{font-family:'Instrument Serif',serif;font-size:clamp(32px,4.5vw,58px);font-weight:400;line-height:1.1;letter-spacing:-0.025em;max-width:800px;margin-bottom:20px}
.article-header h1 em{font-style:italic;color:var(--accent)}
.article-byline{display:flex;align-items:center;gap:16px}
.article-author{font-size:13px;color:var(--muted)}
.article-date{font-size:13px;color:var(--dim)}

/* Light content area */
.article-body{background:var(--light-bg);padding:64px clamp(24px,4vw,64px) 80px}.article-body--page{min-height:calc(100vh - 340px)}
.article-body-inner{max-width:680px;margin:0 auto;color:var(--light-text);font-size:17px;line-height:1.78}
.article-cover{width:100%;aspect-ratio:16/9;background:var(--surface-2);border-radius:8px;margin-bottom:48px;overflow:hidden}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-body-inner h2{font-family:'Instrument Serif',serif;font-size:28px;font-weight:400;line-height:1.2;letter-spacing:-0.015em;color:var(--light-text);margin:48px 0 16px;padding-top:8px}
.article-body-inner h3{font-size:18px;font-weight:600;color:var(--light-text);margin:32px 0 12px}
.article-body-inner p{margin-bottom:20px;color:var(--light-muted)}
.article-body-inner p strong{color:var(--light-text);font-weight:600}
.article-body-inner ul,.article-body-inner ol{padding-left:20px;margin-bottom:20px}
.article-body-inner li{margin-bottom:8px;color:var(--light-muted)}
.article-body-inner a{color:#7a5c2a;border-bottom:1px solid rgba(122,92,42,0.3);transition:border-color 0.2s}
.article-body-inner a:hover{border-color:#7a5c2a}

/* Callout */
.callout{border-left:2px solid var(--accent);padding:16px 24px;background:var(--light-surface);border-radius:0 6px 6px 0;margin:28px 0;font-style:italic;color:var(--light-text);font-size:16px;line-height:1.7}

/* Article divider */
.article-divider{height:1px;background:var(--light-border);margin:40px 0}

/* Inline tag */
.inline-tag{font-family:'Space Mono',monospace;font-size:10px;letter-spacing:0.12em;text-transform:uppercase;background:rgba(201,169,110,0.1);color:#8a6030;padding:3px 8px;border-radius:4px;border:1px solid rgba(201,169,110,0.2)}

/* CTA box inside article */
.article-cta{background:var(--surface);border:1px solid var(--border-mid);border-radius:10px;padding:28px 32px;margin:40px 0;display:flex;align-items:center;justify-content:space-between;gap:24px}
.article-cta-left .eyebrow{font-family:'Space Mono',monospace;font-size:9px;letter-spacing:0.25em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:8px}
.article-cta-left h4{font-family:'Instrument Serif',serif;font-size:20px;font-weight:400;color:var(--text);margin-bottom:6px}
.article-cta-left p{font-size:13px;color:var(--muted);line-height:1.6}
.article-cta .btn{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;padding:12px 24px;border-radius:6px;background:var(--accent);color:var(--bg);white-space:nowrap;letter-spacing:0.03em;transition:all 0.3s var(--ease)}
.article-cta .btn:hover{filter:brightness(1.1);transform:translateY(-1px)}

/* Article tags footer */
.article-tags-footer{display:flex;gap:8px;flex-wrap:wrap;padding-top:32px;margin-top:40px;border-top:1px solid var(--light-border)}

/* Related articles */
.related{padding:64px clamp(24px,4vw,64px);background:var(--bg);border-top:1px solid var(--border);max-width:1400px;margin:0 auto}
.related-header{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:32px}
.related-header h3{font-family:'Instrument Serif',serif;font-size:28px;font-weight:400;color:var(--text)}
.related-header a{font-size:12px;color:var(--accent)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border)}
.related-card{background:var(--bg);padding:28px;transition:background 0.3s;display:block;text-decoration:none;color:inherit}
.related-card:hover{background:var(--surface)}
.related-tag{font-family:'Space Mono',monospace;font-size:9px;letter-spacing:0.14em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:10px}
.related-card h4{font-family:'Instrument Serif',serif;font-size:20px;font-weight:400;line-height:1.2;color:var(--text);margin-bottom:8px}
.related-card p{font-size:13px;color:var(--muted);line-height:1.6}

/* ============================================================
   SERIES VIEW
   ============================================================ */
.series-list{list-style:none;display:flex;flex-direction:column;gap:1px;background:var(--border)}
.series-item{background:var(--surface);padding:32px 40px;display:flex;gap:24px;align-items:flex-start}
.series-num{font-family:'Space Mono',monospace;font-size:11px;color:var(--accent);padding-top:4px;min-width:32px}
.series-item h2{font-family:'Instrument Serif',serif;font-size:20px;font-weight:400;margin-bottom:8px}
.series-item h2 a{transition:color 0.2s}
.series-item h2 a:hover{color:var(--accent)}
.series-item p{color:var(--text-dim);font-size:14px;line-height:1.65}
.series-time{font-family:'Space Mono',monospace;font-size:11px;color:var(--muted)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1024px){
  .hero{grid-template-columns:1fr;min-height:auto;padding-top:120px;padding-bottom:0}
  .hero-photo{height:50vh;position:relative}
  .hero-photo-inner{height:100%;position:relative;border-radius:20px 20px 0 0}
  .hero-scroll-hint{display:none}
  .filary-header{grid-template-columns:1fr;gap:20px}
  .filar-row{grid-template-columns:60px 1fr;gap:16px}
  .filar-desc,.filar-tags{display:none}
  .dlakogo{grid-template-columns:1fr;gap:48px}
  .dlakogo-left{position:static}
  .system-grid{grid-template-columns:1fr}
  .system-problems{border-right:none;padding-right:0;padding-bottom:60px;border-bottom:1px solid var(--border);margin-bottom:60px}
  .system-model{padding-left:0}
  .wspolpraca-inner{grid-template-columns:1fr;gap:56px}
  .omnie{grid-template-columns:1fr}
  .omnie-photo{max-width:360px}
}
@media(max-width:768px){
  .nav-links{display:none!important}.nav-links.collapse.show,.nav-links.collapsing{display:flex!important;flex-direction:column;position:fixed;top:64px;left:0;right:0;background:#0A0A0A;backdrop-filter:blur(32px);-webkit-backdrop-filter:blur(32px);border-bottom:1px solid rgba(255,255,255,0.06);padding:24px clamp(24px,4vw,64px) 32px;gap:16px;height:auto!important;z-index:999}.nav-cta{display:none}.nav-toggle{display:flex}
  .hero{padding-top:100px}.hero h1{font-size:36px}
  .programy-grid{grid-template-columns:1fr}
  .prog{border-radius:16px}
  .programy-header{flex-direction:column;align-items:start}
  .programy-header p{text-align:left}
  .case{flex:0 0 320px}
  .omnie-stats{flex-wrap:wrap;gap:32px}
  .footer{flex-direction:column;gap:20px;text-align:center}
  .footer-links{flex-wrap:wrap;justify-content:center}
  .filar-row{grid-template-columns:1fr;gap:8px}.filar-num{display:none}
  .article-card.featured{grid-template-columns:1fr}
  .article-card.featured .article-card-img{min-height:200px}
  .related-grid{grid-template-columns:1fr}
  .article-cta{flex-direction:column;align-items:flex-start}
}

/* ============================================================
   SWEETALERT2 — dark theme override
   ============================================================ */
body div.swal2-container div.swal2-popup{background:#111!important;color:#F5F5F0!important;border:1px solid #252525!important;border-radius:12px!important;font-family:'DM Sans',sans-serif!important}
body div.swal2-container div.swal2-popup .swal2-title{color:#F5F5F0!important;font-size:22px!important;font-weight:600!important;text-align:center!important;max-inline-size:100%!important;width:100%!important}
body div.swal2-container div.swal2-popup .swal2-html-container{color:#AAA!important;font-size:15px!important;line-height:1.65!important;text-align:center!important}
body div.swal2-container div.swal2-popup .swal2-icon{border-color:#252525!important}
body div.swal2-container div.swal2-popup .swal2-icon.swal2-warning{border-color:#C9A96E!important;color:#C9A96E!important}
body div.swal2-container div.swal2-popup .swal2-icon.swal2-success{border-color:#4CAF50!important;color:#4CAF50!important}
body div.swal2-container div.swal2-popup .swal2-icon.swal2-error{border-color:#e74c3c!important;color:#e74c3c!important}
body div.swal2-container div.swal2-popup .swal2-icon.swal2-info{border-color:#3498db!important;color:#3498db!important}
body div.swal2-container div.swal2-popup .swal2-icon.swal2-success [class^=swal2-success-line]{background:#4CAF50!important}
body div.swal2-container div.swal2-popup .swal2-icon.swal2-success .swal2-success-ring{border-color:rgba(76,175,80,0.3)!important}
body div.swal2-container div.swal2-popup .swal2-icon.swal2-error [class^=swal2-x-mark-line]{background:#e74c3c!important}
body div.swal2-container div.swal2-popup .swal2-confirm.swal2-styled{background:#C9A96E!important;color:#0A0A0A!important;font-weight:600!important;border-radius:8px!important;padding:12px 28px!important;font-size:14px!important;letter-spacing:0.02em!important;border:none!important}
body div.swal2-container div.swal2-popup .swal2-confirm.swal2-styled:hover{background:#C9A96E!important;filter:brightness(1.15)!important;color:#0A0A0A!important}
body div.swal2-container div.swal2-popup .swal2-cancel.swal2-styled{background:transparent!important;color:#AAA!important;border:1px solid #252525!important;border-radius:8px!important;padding:12px 28px!important;font-size:14px!important;letter-spacing:0.02em!important}
body div.swal2-container div.swal2-popup .swal2-cancel.swal2-styled:hover{border-color:rgba(201,169,110,0.18)!important;color:#F5F5F0!important}
body div.swal2-container.swal2-backdrop-show{background:rgba(0,0,0,0.75)!important}

/* SweetAlert2 overrides */
.swal2-container *{text-align:center!important}

/* Nav dropdown */
.nav-dropdown{position:relative}
.nav-dropdown > .nav-dropdown-toggle{cursor:pointer;display:inline-flex;align-items:center;gap:4px;position:relative}
/* Invisible bridge to cover gap between trigger and dropdown menu */
.nav-dropdown > .nav-dropdown-toggle::after{content:"";position:absolute;left:0;right:0;top:100%;height:12px;background:transparent}
.nav-dropdown-caret{font-size:0.75em;line-height:1;opacity:0.8}
.nav-dropdown-menu{position:absolute;top:100%;left:0;min-width:220px;background:rgba(10,10,10,0.95);border:1px solid rgba(255,255,255,0.08);border-radius:6px;padding:8px 0;margin:0;list-style:none;flex-direction:column;z-index:1000;box-shadow:0 8px 24px rgba(0,0,0,0.4);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity 150ms ease, visibility 0s linear 200ms, transform 150ms ease;pointer-events:none}
.nav-dropdown:hover > .nav-dropdown-menu,
.nav-dropdown:focus-within > .nav-dropdown-menu,
.nav-dropdown.open > .nav-dropdown-menu{opacity:1;visibility:visible;transform:translateY(8px);pointer-events:auto;transition:opacity 150ms ease, visibility 0s linear 0s, transform 150ms ease;display:flex}
.nav-dropdown-menu li{display:block}
.nav-dropdown-menu a{display:block;padding:10px 16px;white-space:nowrap;color:inherit;text-decoration:none}
.nav-dropdown-menu a:hover{background:rgba(255,255,255,0.06)}
@media (max-width: 900px){
  .nav-dropdown > .nav-dropdown-toggle::after{display:none}
  .nav-dropdown-menu{position:static;background:transparent;border:none;box-shadow:none;padding-left:16px;margin:0;opacity:1;visibility:visible;transform:none;pointer-events:auto;transition:none;display:none}
  .nav-dropdown.open > .nav-dropdown-menu{display:flex}
}

/* Generic helper */
.hidden{display:none!important}