/* ============================================================
   dacker.ir — offline Linux package repository
   Theme: dark, glassmorphism, gradient. RTL / Persian.
   ============================================================ */

/* ---------- Vazirmatn font (vendored) ---------- */
@font-face{font-family:'Vazirmatn';src:url('../vendor/vazirmatn/Vazirmatn-Regular.woff2') format('woff2');font-weight:400;font-display:swap;}
@font-face{font-family:'Vazirmatn';src:url('../vendor/vazirmatn/Vazirmatn-Medium.woff2') format('woff2');font-weight:500;font-display:swap;}
@font-face{font-family:'Vazirmatn';src:url('../vendor/vazirmatn/Vazirmatn-SemiBold.woff2') format('woff2');font-weight:600;font-display:swap;}
@font-face{font-family:'Vazirmatn';src:url('../vendor/vazirmatn/Vazirmatn-Bold.woff2') format('woff2');font-weight:700;font-display:swap;}
@font-face{font-family:'Vazirmatn';src:url('../vendor/vazirmatn/Vazirmatn-Black.woff2') format('woff2');font-weight:900;font-display:swap;}

:root{
  --bg:#070b16;
  --bg-2:#0b1224;
  --surface:rgba(255,255,255,.04);
  --surface-2:rgba(255,255,255,.06);
  --border:rgba(255,255,255,.09);
  --border-hi:rgba(120,180,255,.45);
  --text:#e8eefc;
  --muted:#94a3c4;
  --c1:#38bdf8;   /* cyan   */
  --c2:#6366f1;   /* indigo */
  --c3:#a855f7;   /* purple */
  --ok:#34d399;
  --grad:linear-gradient(120deg,var(--c1),var(--c2) 55%,var(--c3));
  --shadow:0 18px 50px -18px rgba(2,8,30,.85);
  --radius:18px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Vazirmatn',system-ui,-apple-system,'Segoe UI',sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.85;
  overflow-x:hidden;
}
a{text-decoration:none}
::selection{background:rgba(99,102,241,.4);color:#fff}

/* ---------- scrollbar ---------- */
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:var(--bg-2)}
::-webkit-scrollbar-thumb{background:linear-gradient(var(--c2),var(--c3));border-radius:20px;border:2px solid var(--bg-2)}

/* ============== NAVBAR ============== */
.dk-nav{
  background:rgba(7,11,22,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  padding:.55rem 0;
}
.dk-logo{
  width:40px;height:40px;display:grid;place-items:center;border-radius:12px;
  background:var(--grad);color:#fff;font-size:1.15rem;
  box-shadow:0 8px 22px -8px var(--c2);
}
.dk-brand{font-weight:800;font-size:1.4rem;color:var(--text);letter-spacing:.3px}
.dk-accent{color:var(--c1)}
.dk-nav .nav-link{color:var(--muted);font-weight:500;padding:.4rem 1rem;border-radius:10px;transition:.25s}
.dk-nav .nav-link:hover{color:#fff;background:var(--surface)}
.navbar-toggler{border:1px solid var(--border);color:var(--text)}
.navbar-toggler:focus{box-shadow:none}
.dk-badge-offline{
  display:inline-flex;align-items:center;gap:.45rem;position:relative;
  background:rgba(52,211,153,.12);color:var(--ok);
  border:1px solid rgba(52,211,153,.35);border-radius:30px;
  padding:.35rem .9rem;font-size:.85rem;font-weight:600;
}
.dk-badge-offline .dk-slash{margin-right:-1.15rem;opacity:.9}

/* ============== HERO ============== */
.dk-hero{
  position:relative;
  padding:130px 0 90px;
  background:radial-gradient(1100px 600px at 80% -10%,rgba(99,102,241,.18),transparent 60%),
             radial-gradient(900px 500px at 10% 10%,rgba(56,189,248,.14),transparent 55%),
             var(--bg);
  overflow:hidden;
}
.dk-grid-overlay{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(circle at 50% 35%,#000 0%,transparent 75%);
  -webkit-mask-image:radial-gradient(circle at 50% 35%,#000 0%,transparent 75%);
}
.dk-blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.55;animation:float 14s ease-in-out infinite}
.dk-blob-1{width:420px;height:420px;background:rgba(99,102,241,.45);top:-120px;left:-80px}
.dk-blob-2{width:360px;height:360px;background:rgba(56,189,248,.4);top:120px;right:-90px;animation-delay:-4s}
.dk-blob-3{width:300px;height:300px;background:rgba(168,85,247,.35);bottom:-120px;left:35%;animation-delay:-8s}
@keyframes float{0%,100%{transform:translateY(0) translateX(0)}50%{transform:translateY(-32px) translateX(18px)}}

.dk-pill{
  display:inline-flex;align-items:center;gap:.5rem;
  background:var(--surface);border:1px solid var(--border);
  color:var(--c1);padding:.45rem 1rem;border-radius:30px;font-size:.9rem;font-weight:600;
}
.dk-hero-title{font-weight:900;font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.4;margin:.5rem 0 1rem}
.dk-gradient-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.dk-type-wrap{color:var(--c1)}
#typed{font-weight:800}
.typed-cursor{color:var(--c1);font-weight:300}
.dk-hero-sub{color:var(--muted);font-size:1.12rem;max-width:560px}

.dk-btn-primary{
  background:var(--grad);color:#fff;border:none;font-weight:700;
  padding:.8rem 1.8rem;border-radius:14px;box-shadow:0 14px 30px -12px var(--c2);
  transition:transform .2s,box-shadow .2s;
}
.dk-btn-primary:hover{color:#fff;transform:translateY(-3px);box-shadow:0 20px 40px -12px var(--c2)}
.dk-btn-ghost{
  background:var(--surface);color:var(--text);border:1px solid var(--border);
  font-weight:600;padding:.8rem 1.6rem;border-radius:14px;transition:.2s;
}
.dk-btn-ghost:hover{color:#fff;border-color:var(--border-hi);background:var(--surface-2)}

/* stats */
.dk-stats{display:flex;gap:2.4rem;flex-wrap:wrap}
.dk-stat{display:flex;flex-direction:column}
.dk-stat-num{font-size:2.1rem;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.2}
.dk-stat-label{color:var(--muted);font-size:.92rem}

/* terminal mockup */
.dk-terminal{
  background:linear-gradient(160deg,rgba(15,23,42,.95),rgba(10,15,30,.98));
  border:1px solid var(--border);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow);direction:ltr;
}
.dk-term-bar{display:flex;align-items:center;gap:.5rem;padding:.7rem .9rem;border-bottom:1px solid var(--border);background:rgba(255,255,255,.03)}
.dk-dot{width:12px;height:12px;border-radius:50%}
.dk-red{background:#ff5f56}.dk-yellow{background:#ffbd2e}.dk-green{background:#27c93f}
.dk-term-title{margin-left:auto;color:var(--muted);font:600 .8rem/1 'Vazirmatn',monospace}
.dk-term-body{margin:0;padding:1.2rem 1.3rem;font:500 .92rem/1.9 ui-monospace,'Cascadia Code',Consolas,monospace;color:#cdd6f4}
.c-comment{color:#6b7a99}.c-cmd{color:var(--c1)}.c-ok{color:var(--ok)}
.dk-caret{animation:blink 1s steps(1) infinite;color:var(--c1)}
@keyframes blink{50%{opacity:0}}
.dk-hero-fade{position:absolute;left:0;right:0;bottom:0;height:120px;background:linear-gradient(transparent,var(--bg))}

/* ============== SECTIONS ============== */
.dk-section{padding:90px 0;position:relative}
.dk-section-alt{background:linear-gradient(var(--bg),var(--bg-2))}
.dk-section-title{font-weight:900;font-size:clamp(1.8rem,3.5vw,2.5rem)}
.dk-section-title::after{content:"";display:block;width:64px;height:4px;border-radius:4px;background:var(--grad);margin:.7rem auto 0}
.dk-section-sub{color:var(--muted);font-size:1.08rem;margin-top:.6rem}

/* ============== STEPS ============== */
.dk-steps{display:flex;align-items:center;justify-content:center;gap:.4rem;max-width:780px;margin:0 auto 2.5rem;flex-wrap:wrap}
.dk-step{display:flex;align-items:center;gap:.6rem;color:var(--muted);font-weight:600;padding:.45rem 1rem;border-radius:30px;transition:.25s;border:1px solid transparent}
.dk-step-no{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:var(--surface);border:1px solid var(--border);font-size:.9rem;transition:.25s}
.dk-step.active{color:#fff;background:var(--surface)}
.dk-step.active .dk-step-no{background:var(--grad);border-color:transparent;box-shadow:0 6px 16px -6px var(--c2)}
.dk-step.done{color:var(--text)}
.dk-step.done .dk-step-no{background:rgba(52,211,153,.18);border-color:rgba(52,211,153,.5);color:var(--ok)}
.dk-step.done .dk-step-no::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.75rem}
.dk-step.done .dk-step-no{font-size:0}
.dk-step.clickable{cursor:pointer}
.dk-step.clickable:hover{color:#fff;border-color:var(--border-hi);background:var(--surface-2)}
.dk-step.clickable:hover .dk-step-no{border-color:var(--border-hi)}
.dk-step-line{flex:1;min-width:20px;height:2px;background:var(--border);transition:.3s}
.dk-step-line.done{background:linear-gradient(90deg,var(--c2),var(--c1))}

/* clickable selection chips */
.dk-chip.clickable{cursor:pointer;transition:.2s}
.dk-chip.clickable:hover{border-color:var(--border-hi);background:rgba(99,102,241,.18);color:#fff}
.dk-chip.clickable::after{content:"\f060";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.65rem;opacity:.5;margin-right:.15rem}

/* back button — more prominent */
.dk-back{
  display:inline-flex;align-items:center;gap:.5rem;
  background:var(--surface-2);border:1px solid var(--border);color:var(--text);
  font-weight:600;font-size:.9rem;cursor:pointer;margin-bottom:1.4rem;
  padding:.5rem 1.1rem;border-radius:11px;transition:.2s;
}
.dk-back:hover{color:#fff;border-color:var(--border-hi);background:rgba(99,102,241,.15);transform:translateX(4px)}
.dk-back i{color:var(--c1)}

/* ============== BUILDER CARD ============== */
.dk-builder-card{
  background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border:1px solid var(--border);border-radius:var(--radius);
  padding:2rem;box-shadow:var(--shadow);min-height:320px;
  backdrop-filter:blur(8px);
}
.dk-pane-title{font-weight:700;font-size:1.2rem;margin-bottom:1.6rem;display:flex;align-items:center;gap:.6rem}
.dk-pane-title i{color:var(--c1)}

/* selection summary bar */
.dk-selbar{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:1.6rem;padding-bottom:1.2rem;border-bottom:1px dashed var(--border)}
.dk-reset{background:var(--surface);border:1px solid var(--border);color:var(--muted);border-radius:10px;padding:.4rem .9rem;font-weight:600;font-size:.85rem;transition:.2s;cursor:pointer}
.dk-reset:hover{color:#fff;border-color:var(--border-hi)}
.dk-selchips{display:flex;gap:.5rem;flex-wrap:wrap}
.dk-chip{display:inline-flex;align-items:center;gap:.45rem;background:var(--surface-2);border:1px solid var(--border);border-radius:30px;padding:.35rem .85rem;font-size:.85rem;font-weight:600}
.dk-chip img{width:18px;height:18px}
.dk-chip i{color:var(--c1)}

/* card grid */
.dk-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:1rem}
.dk-card{
  position:relative;cursor:pointer;text-align:center;
  background:var(--surface);border:1px solid var(--border);border-radius:14px;
  padding:1.4rem 1rem;transition:transform .22s,border-color .22s,background .22s,box-shadow .22s;
  display:flex;flex-direction:column;align-items:center;gap:.7rem;
}
.dk-card::before{content:"";position:absolute;inset:0;border-radius:14px;padding:1px;background:var(--grad);opacity:0;-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;transition:opacity .25s}
.dk-card:hover{transform:translateY(-5px);background:var(--surface-2);box-shadow:0 18px 36px -20px var(--c2)}
.dk-card:hover::before{opacity:1}
.dk-card-ico{width:56px;height:56px;display:grid;place-items:center}
.dk-card-ico img{width:52px;height:52px;object-fit:contain;filter:drop-shadow(0 6px 12px rgba(0,0,0,.35))}
.dk-card-ico i{font-size:2.4rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.dk-card-title{font-weight:700;font-size:1.02rem}
.dk-card-sub{font-size:.82rem;color:var(--muted)}
.dk-card-badge{position:absolute;top:.6rem;left:.6rem;font-size:.68rem;font-weight:700;padding:.15rem .5rem;border-radius:20px;background:rgba(56,189,248,.15);color:var(--c1);border:1px solid rgba(56,189,248,.3)}

/* ============== RESULT ============== */
.dk-result-head{display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap;margin-bottom:1.6rem}
.dk-result-ico{width:72px;height:72px;border-radius:18px;background:var(--surface-2);border:1px solid var(--border);display:grid;place-items:center;flex-shrink:0}
.dk-result-ico img{width:48px;height:48px}
.dk-result-ico i{font-size:2rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.dk-result-title{font-weight:800;font-size:1.5rem;margin:0}
.dk-result-meta{color:var(--muted);font-size:.95rem;margin-top:.2rem;display:flex;gap:1.2rem;flex-wrap:wrap}
.dk-result-meta span{display:inline-flex;align-items:center;gap:.4rem}

.dk-dl-row{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:1.8rem}
.dk-btn-dl{
  background:var(--grad);color:#fff;border:none;font-weight:800;font-size:1.05rem;
  padding:.95rem 2rem;border-radius:14px;box-shadow:0 16px 34px -14px var(--c2);
  display:inline-flex;align-items:center;gap:.6rem;transition:transform .2s,box-shadow .2s;
}
.dk-btn-dl:hover{color:#fff;transform:translateY(-3px);box-shadow:0 22px 44px -14px var(--c2)}
.dk-btn-dl .sz{font-size:.85rem;opacity:.85;font-weight:600}

.dk-install-label{font-weight:700;margin:1.4rem 0 .7rem;display:flex;align-items:center;gap:.5rem}
.dk-install-label i{color:var(--c1)}
.dk-code{
  position:relative;background:#05080f;border:1px solid var(--border);border-radius:14px;
  padding:1.1rem 1.2rem;direction:ltr;overflow-x:auto;
}
.dk-code pre{margin:0;font:500 .9rem/1.85 ui-monospace,'Cascadia Code',Consolas,monospace;color:#cdd6f4;white-space:pre}
.dk-code .ln-c{color:#6b7a99}
.dk-code .ln-k{color:var(--c1)}
.dk-copy-btn{
  position:absolute;top:.7rem;right:.7rem;background:var(--surface-2);border:1px solid var(--border);
  color:var(--muted);border-radius:9px;padding:.35rem .7rem;font-size:.8rem;font-weight:600;cursor:pointer;transition:.2s;
}
.dk-copy-btn:hover{color:#fff;border-color:var(--border-hi)}
.dk-note{margin-top:1.2rem;display:flex;gap:.6rem;align-items:flex-start;background:rgba(56,189,248,.07);border:1px solid rgba(56,189,248,.22);border-radius:12px;padding:.85rem 1rem;color:var(--muted);font-size:.9rem}
.dk-note i{color:var(--c1);margin-top:.25rem}

/* ============== HOW ============== */
.dk-how{
  height:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:2rem 1.6rem;text-align:center;transition:transform .25s,border-color .25s,background .25s;
}
.dk-how:hover{transform:translateY(-6px);border-color:var(--border-hi);background:var(--surface-2)}
.dk-how-ico{width:64px;height:64px;margin:0 auto 1.1rem;border-radius:16px;display:grid;place-items:center;font-size:1.6rem;color:#fff;background:var(--grad);box-shadow:0 12px 26px -12px var(--c2)}
.dk-how h4{font-weight:700;margin-bottom:.6rem}
.dk-how p{color:var(--muted);font-size:.96rem;margin:0}

/* ============== FAQ ============== */
.dk-faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:.9rem}
.dk-faq-item{background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:border-color .2s,background .2s}
.dk-faq-item[open]{border-color:var(--border-hi);background:var(--surface-2)}
.dk-faq-item summary{cursor:pointer;list-style:none;padding:1.1rem 1.3rem;font-weight:700;color:var(--text);display:flex;align-items:center;justify-content:space-between;gap:1rem}
.dk-faq-item summary::-webkit-details-marker{display:none}
.dk-faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.8rem;color:var(--c1);transition:transform .25s}
.dk-faq-item[open] summary::after{transform:rotate(180deg)}
.dk-faq-item summary:hover{color:#fff}
.dk-faq-a{padding:0 1.3rem 1.2rem;color:var(--muted);font-size:.97rem;line-height:1.9}
.dk-faq-a a{color:var(--c1);font-weight:600}
.dk-faq-a code{background:#05080f;border:1px solid var(--border);border-radius:6px;padding:.1rem .45rem;font-size:.85em;color:#cdd6f4;direction:ltr;display:inline-block}

/* ============== FOOTER ============== */
.dk-footer{position:relative;background:linear-gradient(var(--bg-2),#05080f);border-top:1px solid var(--border);padding:4rem 0 1.6rem;overflow:hidden}
.dk-footer-glow{position:absolute;top:-140px;left:50%;transform:translateX(-50%);width:680px;height:280px;background:radial-gradient(closest-side,rgba(99,102,241,.22),transparent 70%);filter:blur(30px);pointer-events:none}
.dk-footer-about{color:var(--muted);font-size:.94rem;margin:0 0 1rem;max-width:340px}
.dk-foot-title{font-weight:700;font-size:1rem;margin-bottom:1.1rem;position:relative;padding-bottom:.6rem}
.dk-foot-title::after{content:"";position:absolute;bottom:0;right:0;width:34px;height:3px;border-radius:3px;background:var(--grad)}
.dk-foot-links{list-style:none;padding:0;margin:0}
.dk-foot-links li{margin-bottom:.7rem}
.dk-foot-links a{color:var(--muted);font-weight:500;transition:.2s;display:inline-flex;align-items:center;gap:.45rem}
.dk-foot-links a i{font-size:.75rem;color:var(--c1);transition:.2s}
.dk-foot-links a:hover{color:#fff}
.dk-foot-links a:hover i{margin-right:.25rem}
.dk-foot-distros{display:flex;flex-direction:column;gap:.7rem}
.dk-foot-distro{display:inline-flex;align-items:center;gap:.55rem;color:var(--muted);font-weight:500;font-size:.92rem}
.dk-foot-distro img{width:22px;height:22px;object-fit:contain}
.dk-dev-card{display:flex;align-items:center;gap:.9rem;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:1rem;transition:.25s}
.dk-dev-card:hover{border-color:var(--border-hi);background:var(--surface-2);transform:translateY(-3px)}
.dk-dev-avatar{width:48px;height:48px;flex-shrink:0;border-radius:12px;display:grid;place-items:center;font-size:1.3rem;color:#fff;background:var(--grad);box-shadow:0 8px 20px -8px var(--c2)}
.dk-dev-name{font-weight:700;color:var(--text)}
.dk-dev-link{color:var(--c1);font-weight:600;font-size:.9rem;transition:.2s}
.dk-dev-link:hover{color:var(--c3)}
.dk-foot-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem;margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--border)}
.dk-credit-link{color:var(--c1);font-weight:700;transition:.2s}
.dk-credit-link:hover{color:var(--c3)}
.dk-copy{color:var(--muted);font-size:.86rem;margin:0}
.dk-heart{color:#f43f5e;animation:beat 1.4s ease-in-out infinite}
@keyframes beat{0%,100%{transform:scale(1)}50%{transform:scale(1.25)}}

/* ============== TOAST ============== */
.dk-toast{
  position:fixed;bottom:28px;left:50%;transform:translate(-50%,140%);
  background:var(--ok);color:#04231a;font-weight:700;padding:.7rem 1.3rem;border-radius:12px;
  box-shadow:0 14px 34px -10px rgba(52,211,153,.6);transition:transform .35s cubic-bezier(.2,.9,.3,1.3);z-index:999;
}
.dk-toast.show{transform:translate(-50%,0)}

/* ============== EMPTY ============== */
.dk-empty{text-align:center;color:var(--muted);padding:2.5rem 1rem}
.dk-empty i{font-size:2.4rem;color:var(--c2);margin-bottom:.8rem}

/* ============== RESPONSIVE ============== */
@media (max-width:991px){
  .dk-hero{padding:110px 0 70px}
  .dk-stats{gap:1.6rem}
}
@media (max-width:575px){
  .dk-builder-card{padding:1.3rem}
  .dk-card-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}
  .dk-step span:not(.dk-step-no){display:none}
}

/* AOS fallback (if reduced motion) */
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}[data-aos]{opacity:1!important;transform:none!important}}