/* ===========================================================
   MahadevBook — static HTML stylesheet
   Royal dark + gold premium theme
   =========================================================== */
:root{
  --bg:#1a140e;
  --bg-2:#0f0b07;
  --card:#241a10;
  --card-2:#2d2114;
  --border:rgba(212,175,55,.22);
  --border-strong:rgba(212,175,55,.55);
  --text:#f5ecd9;
  --muted:#b8a98c;
  --gold-1:#f7d774;
  --gold-2:#d4af37;
  --gold-3:#a8821f;
  --whatsapp:#25D366;
  --shadow-gold:0 10px 40px -10px rgba(212,175,55,.45);
  --gradient-gold:linear-gradient(135deg,#f7d774 0%,#d4af37 50%,#a8821f 100%);
  --gradient-hero:linear-gradient(180deg,rgba(15,11,7,.35) 0%,rgba(15,11,7,.95) 100%);
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,-apple-system,Segoe UI,sans-serif;
  line-height:1.6;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{font-family:'Outfit','Space Grotesk',sans-serif;font-weight:800;letter-spacing:-.01em;line-height:1.15;color:#fff}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.gold{
  background:var(--gradient-gold);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:14px;
  border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,border-color .2s;
  text-transform:none;line-height:1;
}
.btn-gold{background:var(--gradient-gold);color:#1a140e;box-shadow:var(--shadow-gold)}
.btn-gold:hover{transform:translateY(-2px) scale(1.02)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--text);border-color:var(--border);backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--border-strong);color:var(--gold-1)}
.eyebrow{display:inline-block;padding:6px 14px;border:1px solid var(--border-strong);background:rgba(212,175,55,.08);
  border-radius:999px;font-size:11px;font-weight:700;color:var(--gold-1);text-transform:uppercase;letter-spacing:.18em}
.muted{color:var(--muted)}
.center{text-align:center}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(15,11,7,.85);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;max-width:1280px;margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;font-family:'Outfit',sans-serif;font-weight:900;font-size:20px}
.brand img{height:40px;width:auto}
.main-nav{display:flex;gap:26px;align-items:center}
.main-nav a{font-size:14px;font-weight:500;color:rgba(245,236,217,.82);transition:color .2s}
.main-nav a:hover,.main-nav a.active{color:var(--gold-1)}
.menu-toggle{display:none;background:none;border:0;color:var(--text);cursor:pointer;padding:6px}
.menu-toggle svg{width:26px;height:26px}
@media(max-width:980px){
  .main-nav,.header-cta{display:none}
  .menu-toggle{display:block}
  .main-nav.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:var(--bg-2);
    padding:18px 20px;border-bottom:1px solid var(--border);gap:0}
  .main-nav.open a{padding:10px 0;border-bottom:1px solid var(--border)}
}

/* ============ HERO ============ */
.hero{position:relative;isolation:isolate;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-2;width:100%;height:100%;object-fit:cover;opacity:.5}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--gradient-hero)}
.hero-inner{padding:96px 0 120px}
.hero h1{font-size:clamp(38px,6vw,76px);margin:24px 0 0;max-width:980px}
.hero p.lead{margin:24px 0 32px;font-size:18px;color:var(--muted);max-width:640px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{margin-top:48px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;max-width:640px}
.hero-stats .v{font-family:'Outfit',sans-serif;font-size:32px;font-weight:800}
.hero-stats .l{font-size:11px;text-transform:uppercase;letter-spacing:.15em;color:var(--muted);margin-top:4px}
@media(max-width:700px){.hero-stats{grid-template-columns:repeat(2,1fr)}}

/* ============ SECTION ============ */
section.block{padding:80px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.section-head h2{font-size:clamp(30px,4vw,48px)}
.section-head p{margin-top:16px;color:var(--muted)}
.grid{display:grid;gap:24px}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.g-3,.g-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.g-3,.g-4,.g-2{grid-template-columns:1fr}}

.card{
  background:rgba(36,26,16,.6);border:1px solid var(--border);border-radius:20px;
  padding:28px;transition:border-color .25s,transform .25s,box-shadow .25s;
}
.card:hover{border-color:var(--border-strong);transform:translateY(-4px);box-shadow:0 18px 40px -20px rgba(212,175,55,.35)}
.card .icon{width:42px;height:42px;color:var(--gold-1);margin-bottom:18px}
.card h3{font-size:20px;margin-bottom:8px}
.card p{font-size:14px;color:var(--muted)}

/* ============ SPLIT (casino strip) ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:80px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.split h2{font-size:clamp(30px,4vw,48px);margin-top:14px}
.split p.lead{color:var(--muted);margin:18px 0 26px}
.split ul.feature-list{display:flex;flex-direction:column;gap:12px;margin-bottom:30px}
.split ul.feature-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px}
.split ul.feature-list svg{flex-shrink:0;width:20px;height:20px;color:var(--gold-1);margin-top:2px}
.split img{border-radius:20px;border:1px solid var(--border);box-shadow:0 30px 60px -30px rgba(0,0,0,.6)}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:32px}}

/* ============ STEPS ============ */
.step .n{font-family:'Outfit',sans-serif;font-size:48px;font-weight:900;line-height:1}
.step h3{margin-top:12px}

/* ============ CTA SECTION ============ */
.cta-section{
  position:relative;overflow:hidden;padding:80px 0;text-align:center;
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  background:radial-gradient(circle at 20% 50%,rgba(212,175,55,.18) 0%,transparent 50%),var(--bg);
}
.cta-section h2{font-size:clamp(30px,4vw,52px)}
.cta-section p{margin:18px auto 28px;max-width:600px;color:var(--muted)}

/* ============ TAG / OFFER ============ */
.tag{display:inline-block;background:rgba(212,175,55,.14);color:var(--gold-1);padding:5px 12px;border-radius:999px;
  font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.14em}

/* ============ FAQ ============ */
details.faq{background:rgba(36,26,16,.6);border:1px solid var(--border);border-radius:18px;padding:22px 24px;margin-bottom:14px}
details.faq summary{cursor:pointer;font-family:'Outfit',sans-serif;font-weight:700;font-size:17px;display:flex;justify-content:space-between;align-items:center;gap:16px;list-style:none}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";color:var(--gold-1);font-size:24px;line-height:1;transition:transform .2s}
details.faq[open] summary::after{transform:rotate(45deg)}
details.faq p{margin-top:14px;color:var(--muted);font-size:14px}

/* ============ PROSE ============ */
.prose{max-width:760px;margin:0 auto;color:var(--muted);font-size:16px}
.prose h2{color:#fff;font-size:26px;margin:32px 0 14px}
.prose h3{color:#fff;font-size:20px;margin:24px 0 10px}
.prose p{margin-bottom:14px}
.prose ul{list-style:disc;padding-left:22px;margin-bottom:14px}
.prose ul li{margin-bottom:6px}

/* ============ PAGE HERO ============ */
.page-hero{padding:90px 0 30px}
.page-hero h1{font-size:clamp(40px,5vw,68px)}
.page-hero p{margin-top:20px;max-width:780px;color:var(--muted);font-size:18px}

/* ============ FOOTER ============ */
.site-footer{background:rgba(15,11,7,.85);border-top:1px solid var(--border);margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:56px 0}
.foot-grid h4{color:var(--gold-1);font-family:'Outfit',sans-serif;font-size:15px;margin-bottom:14px;letter-spacing:.04em}
.foot-grid ul li{padding:5px 0;font-size:14px;color:var(--muted)}
.foot-grid ul li a{transition:color .2s}
.foot-grid ul li a:hover{color:var(--gold-1)}
.foot-brand p{font-size:14px;color:var(--muted);margin-top:14px}
.foot-bottom{border-top:1px solid var(--border);padding:18px 0;text-align:center;font-size:12px;color:var(--muted)}
@media(max-width:880px){.foot-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}

/* ============ FLOATING WHATSAPP / SOCIAL ============ */
.float-whatsapp{
  position:fixed;bottom:24px;right:24px;z-index:60;
  width:62px;height:62px;border-radius:50%;
  background:var(--whatsapp);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 14px 30px -8px rgba(37,211,102,.6);
  animation:float-pulse 2s ease-in-out infinite;
}
.float-whatsapp svg{width:32px;height:32px}
@keyframes float-pulse{
  0%,100%{transform:scale(1);box-shadow:0 0 0 0 rgba(37,211,102,.55)}
  50%{transform:scale(1.06);box-shadow:0 0 0 16px rgba(37,211,102,0)}
}
.float-socials{
  position:fixed;left:14px;top:50%;transform:translateY(-50%);z-index:50;
  display:flex;flex-direction:column;gap:10px;
}
.float-socials a{
  width:42px;height:42px;border-radius:50%;
  background:rgba(36,26,16,.85);border:1px solid var(--border);backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;color:var(--text);
  transition:background .2s,color .2s,border-color .2s;
}
.float-socials a:hover{background:var(--gradient-gold);color:#1a140e;border-color:transparent}
.float-socials svg{width:18px;height:18px}
@media(max-width:760px){.float-socials{display:none}}

/* ============ BLOG ============ */
.blog-card{display:block}
.blog-card h2{font-size:22px;margin-top:14px;transition:color .2s}
.blog-card:hover h2{color:var(--gold-1)}
.blog-meta{font-size:12px;color:var(--muted);margin-top:14px}
.blog-post-body{max-width:760px;margin:30px auto 0}
.blog-post-body p{margin-bottom:18px;color:var(--text);font-size:17px}
.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--gold-1);font-size:14px;font-weight:600;margin-bottom:20px}

/* ============ SEO CONTENT LINKS ============ */
.seo-links{padding:64px 0;border-top:1px solid var(--border);background:rgba(15,11,7,.35)}
.seo-links .container{max-width:980px}
.seo-links h2{font-size:clamp(26px,3vw,38px);margin-bottom:16px}
.seo-links p{color:var(--muted);margin:0 0 14px;font-size:16px}
.related-links{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 16px}
.related-links a{border:1px solid var(--border);border-radius:999px;padding:8px 14px;color:var(--gold-1);font-size:14px;font-weight:600;background:rgba(212,175,55,.06)}
.related-links a:hover{border-color:var(--border-strong);background:rgba(212,175,55,.12)}
.external-note a{color:var(--gold-1);font-weight:700;text-decoration:underline;text-underline-offset:3px}

/* ============ CDN SOCIAL LINKS ============ */
.footer-socials{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.footer-social,.float-social{display:inline-flex;align-items:center;justify-content:center;color:var(--text)}
.footer-social{width:34px;height:34px;border-radius:50%;border:1px solid var(--border);background:rgba(212,175,55,.06)}
.footer-social span,.float-social span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.footer-social svg{width:16px;height:16px}
.footer-social:hover{background:var(--gradient-gold);color:#1a140e;border-color:transparent}
.contact-socials{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.contact-socials a{border:1px solid var(--border);border-radius:999px;padding:8px 12px;color:var(--gold-1);font-size:13px;font-weight:700;background:rgba(212,175,55,.06)}
.contact-socials a:hover{border-color:var(--border-strong);background:rgba(212,175,55,.12)}

/* ============ AI OVERVIEW ANSWER BLOCK ============ */
.ai-answer-block{padding:42px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:rgba(15,11,7,.45)}
.ai-answer-block .container{max-width:980px}
.ai-answer-block h2{font-size:clamp(24px,3vw,36px);margin:14px 0 12px}
.ai-answer-block p{color:var(--text);font-size:17px;margin-bottom:14px}
.ai-answer-block ul{list-style:disc;padding-left:22px;color:var(--muted);display:flex;flex-direction:column;gap:7px}
.ai-answer-block li{font-size:15px}