/* Kazino Kišenėje Bonusas — savarankiškas dizainas (kkb-*).
   Tema: mobiliojo žaidimo "on-the-go" vizualinė kryptis — ryškus mėlynas + oranžinis. */
:root{
  --kkb-bg:#0a1128;--kkb-bg2:#0f1a3d;--kkb-card:#121e45;--kkb-card2:#16265a;
  --kkb-line:#233468;--kkb-txt:#eef2ff;--kkb-mut:#9fb0d9;
  --kkb-blue:#2f6bff;--kkb-blue2:#5b8dff;--kkb-orange:#ff8a3d;--kkb-orange2:#ffb066;
  --kkb-gold:#ffce54;--kkb-radius:16px;--kkb-maxw:1120px;
  --kkb-shadow:0 10px 30px -12px rgba(47,107,255,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:
    radial-gradient(1200px 600px at 85% -10%, rgba(255,138,61,.16), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(47,107,255,.22), transparent 55%),
    var(--kkb-bg);
  color:var(--kkb-txt);
  font:16px/1.68 "Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  -webkit-text-size-adjust:100%}
a{color:var(--kkb-blue2);text-decoration:none}
a:hover{text-decoration:underline;color:var(--kkb-orange2)}
h1,h2,h3{line-height:1.22;margin:1.5em 0 .55em;font-family:"Segoe UI",system-ui,sans-serif;letter-spacing:-.01em}
h1{font-size:clamp(1.7rem,4.8vw,2.55rem);font-weight:800}
h2{font-size:clamp(1.3rem,3.4vw,1.65rem);font-weight:700;position:relative;padding-bottom:.4em}
h2::after{content:"";position:absolute;left:0;bottom:0;width:56px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--kkb-orange),var(--kkb-blue))}
h3{font-size:1.12rem;color:var(--kkb-orange2);font-weight:700}
p{margin:.75em 0}
img{max-width:100%;height:auto;display:block}

/* ── top bar / app-style nav ───────────────────────────── */
.kkb-bar{display:flex;flex-wrap:wrap;gap:.6rem 1rem;align-items:center;justify-content:space-between;
  padding:.85rem 1.1rem;background:rgba(10,17,40,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--kkb-line);position:sticky;top:0;z-index:30}
.kkb-brand{font-weight:800;letter-spacing:.2px;display:flex;align-items:center;gap:.5rem;font-size:1.02rem}
.kkb-brand::before{content:"";width:11px;height:11px;border-radius:4px;
  background:linear-gradient(135deg,var(--kkb-orange),var(--kkb-blue));display:inline-block;
  box-shadow:0 0 12px rgba(255,138,61,.7)}
.kkb-menu{display:flex;flex-wrap:wrap;gap:.35rem .95rem;font-size:.88rem}
.kkb-menu a{color:var(--kkb-mut)}
.kkb-menu a:hover{color:var(--kkb-txt)}

/* ── layout ─────────────────────────────────────────────── */
.kkb-grid{max-width:var(--kkb-maxw);margin:0 auto;padding:1.1rem;display:grid;
  grid-template-columns:minmax(0,1fr) 308px;gap:1.7rem}
@media(max-width:860px){.kkb-grid{grid-template-columns:1fr}}

/* ── hero — mobile-app card feel ───────────────────────── */
.kkb-hero{background:linear-gradient(145deg,var(--kkb-bg2),#0a1230 70%);
  border:1px solid var(--kkb-line);border-radius:22px;padding:1.6rem 1.6rem 1.4rem;
  box-shadow:var(--kkb-shadow);position:relative;overflow:hidden}
.kkb-hero::before{content:"";position:absolute;top:-40%;right:-15%;width:340px;height:340px;
  background:radial-gradient(circle,rgba(255,138,61,.25),transparent 65%);border-radius:50%;pointer-events:none}
.kkb-eyebrow{color:var(--kkb-gold);font-weight:700;font-size:.8rem;letter-spacing:1.4px;
  text-transform:uppercase;margin:0 0 .4rem;position:relative;z-index:1}
.kkb-hero h1{position:relative;z-index:1}
.kkb-hero-img{width:100%;border-radius:16px;margin:1rem 0;border:1px solid var(--kkb-line);
  box-shadow:0 18px 36px -18px rgba(0,0,0,.6)}
.kkb-meta{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.1rem 0;font-size:.78rem;color:var(--kkb-mut);position:relative;z-index:1}
.kkb-meta span{background:rgba(255,255,255,.05);border:1px solid var(--kkb-line);border-radius:20px;padding:.28rem .75rem}

.kkb-btn{display:inline-flex;align-items:center;gap:.4rem;margin:.4rem .5rem .2rem 0;padding:.75rem 1.2rem;
  border-radius:12px;font-weight:700;font-size:.95rem;position:relative;z-index:1;transition:filter .15s,transform .1s}
.kkb-btn[rel]{background:linear-gradient(90deg,var(--kkb-orange),#ff6a3d);color:#1a0d02;box-shadow:0 8px 22px -8px rgba(255,138,61,.6)}
.kkb-btn:not([rel]){background:rgba(255,255,255,.06);color:var(--kkb-txt);border:1px solid var(--kkb-line)}
.kkb-btn:hover{text-decoration:none;filter:brightness(1.08);transform:translateY(-1px)}

/* ── content cards ──────────────────────────────────────── */
.kkb-card{background:var(--kkb-card);border:1px solid var(--kkb-line);border-radius:var(--kkb-radius);
  padding:1.3rem 1.4rem;margin:1.3rem 0}
.kkb-card img{border-radius:12px;margin:.9rem 0;border:1px solid var(--kkb-line)}
.kkb-figure{margin:1rem 0}
.kkb-figure figcaption{font-size:.78rem;color:var(--kkb-mut);margin-top:.4rem}

.kkb-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.85rem;margin:1.1rem 0}
.kkb-steps>div{background:var(--kkb-card2);border:1px solid var(--kkb-line);border-radius:13px;padding:.9rem;
  position:relative}
.kkb-steps strong{color:var(--kkb-orange2);display:block;margin-bottom:.3rem}
.kkb-steps p{font-size:.88rem;color:var(--kkb-mut);margin:.2rem 0 0}

.kkb-table{width:100%;border-collapse:collapse;margin:1.1rem 0;font-size:.92rem;overflow:hidden;border-radius:10px}
.kkb-table th,.kkb-table td{border:1px solid var(--kkb-line);padding:.65rem .75rem;text-align:left;vertical-align:top}
.kkb-table th{background:var(--kkb-card2);color:var(--kkb-gold)}

ul{padding-left:1.25rem}
li{margin:.35rem 0}

/* ── sidebar ────────────────────────────────────────────── */
.kkb-aside{display:flex;flex-direction:column;gap:1.1rem}
.kkb-side-card{background:var(--kkb-card);border:1px solid var(--kkb-line);border-radius:var(--kkb-radius);padding:1.05rem}
.kkb-side-img{width:100%;height:auto;border-radius:12px;margin-bottom:.7rem;display:block;border:1px solid var(--kkb-line)}
.kkb-side-card h2{border:0;margin-top:0;font-size:1.05rem;padding-bottom:0}
.kkb-side-card h2::after{display:none}
.kkb-side-card p{font-size:.87rem;color:var(--kkb-mut)}

/* ── author byline ──────────────────────────────────────── */
.kkb-author{display:flex;align-items:center;gap:.85rem;background:var(--kkb-card2);
  border:1px solid var(--kkb-line);border-radius:14px;padding:.85rem 1rem;margin:1.2rem 0}
.kkb-author img{width:52px;height:52px;border-radius:50%;object-fit:cover;border:2px solid var(--kkb-orange)}
.kkb-author-name{font-weight:700;color:var(--kkb-txt);font-size:.92rem}
.kkb-author-role{font-size:.78rem;color:var(--kkb-mut)}

/* ── FAQ ────────────────────────────────────────────────── */
.kkb-faq details{background:var(--kkb-card2);border:1px solid var(--kkb-line);border-radius:12px;
  padding:.7rem 1rem;margin:.6rem 0}
.kkb-faq summary{cursor:pointer;font-weight:700;color:var(--kkb-txt);list-style:none}
.kkb-faq summary::-webkit-details-marker{display:none}
.kkb-faq summary::before{content:"+ ";color:var(--kkb-orange2);font-weight:800}
.kkb-faq details[open] summary::before{content:"– "}
.kkb-faq p{color:var(--kkb-mut);font-size:.92rem}

/* ── index of all pages ────────────────────────────────── */
#kkb-all-pages{max-width:var(--kkb-maxw);margin:1.6rem auto;padding:1.5rem;background:var(--kkb-card);
  border:1px solid var(--kkb-line);border-radius:var(--kkb-radius)}
#kkb-all-pages h2{margin-top:0}
#kkb-all-pages ul{columns:2;column-gap:2rem}
@media(max-width:560px){#kkb-all-pages ul{columns:1}}

/* ── footer ─────────────────────────────────────────────── */
.kkb-foot{max-width:var(--kkb-maxw);margin:1.2rem auto 2.2rem;padding:1.3rem 1.1rem;
  border-top:1px solid var(--kkb-line);color:var(--kkb-mut);font-size:.85rem}
.kkb-foot a{color:var(--kkb-mut)}
.kkb-foot-rg{background:rgba(255,138,61,.08);border:1px solid rgba(255,138,61,.25);border-radius:12px;
  padding:.8rem 1rem;margin-bottom:1rem;font-size:.85rem;color:var(--kkb-orange2)}
.kkb-foot-rg a{color:var(--kkb-gold);text-decoration:underline}

.kkb-note{background:#2a1a08;border:1px solid #5a3a12;color:#ffd9a0;border-radius:12px;
  padding:.85rem 1.05rem;font-size:.85rem;margin:1.1rem 0}