/* ============================================================
   bett.homes - Core basefiles stylesheet
   Prefix: sd4d-  | Theme: Royal Indigo + Teal + Purple
   Mobile-first (max 430px) with desktop enhancements
   ============================================================ */

:root{
  --sd4d-primary:#4169E1;
  --sd4d-secondary:#80CBC4;
  --sd4d-purple:#6A5ACD;
  --sd4d-bg:#0b1430;
  --sd4d-bg-2:#141b3a;
  --sd4d-bg-3:#1c2450;
  --sd4d-text:#F0FDFF;
  --sd4d-muted:#BBBBBB;
  --sd4d-dark:#333333;
  --sd4d-gold:#ffd479;
  --sd4d-radius:1.2rem;
  --sd4d-shadow:0 .4rem 1.4rem rgba(0,0,0,.45);
  --sd4d-grad:linear-gradient(135deg,#4169E1 0%,#6A5ACD 60%,#80CBC4 130%);
  --sd4d-grad-soft:linear-gradient(135deg,rgba(65,105,225,.18),rgba(106,90,205,.18));
}

*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html{font-size:62.5%;scroll-behavior:smooth;}
body{
  font-family:"Segoe UI",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  background:
    radial-gradient(1100px 600px at 12% -8%,rgba(65,105,225,.28),transparent 60%),
    radial-gradient(900px 500px at 100% 0%,rgba(106,90,205,.25),transparent 55%),
    radial-gradient(700px 500px at 50% 110%,rgba(128,203,196,.18),transparent 60%),
    var(--sd4d-bg);
  color:var(--sd4d-text);
  line-height:1.5rem;
  font-size:1.5rem;
  min-height:100vh;
  overflow-x:hidden;
}
a{color:var(--sd4d-secondary);text-decoration:none;}
a:hover{color:var(--sd4d-text);}
img{max-width:100%;display:block;}
ul,ol{list-style:none;}

.sd4d-container{width:100%;max-width:430px;margin:0 auto;padding:0 1.2rem;position:relative;}
.sd4d-wrapper{min-height:100vh;display:flex;flex-direction:column;}

/* ---------- Header ---------- */
.sd4d-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(11,20,48,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:.1rem solid rgba(128,203,196,.22);
}
.sd4d-header-row{display:flex;align-items:center;justify-content:space-between;gap:.8rem;padding:.8rem 0;}
.sd4d-brand{display:flex;align-items:center;gap:.6rem;}
.sd4d-logo{
  width:3.4rem;height:3.4rem;border-radius:.9rem;
  background:var(--sd4d-grad);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;color:#fff;font-size:1.7rem;letter-spacing:-.05rem;
  box-shadow:0 .3rem .8rem rgba(65,105,225,.45);
}
.sd4d-brand-text{display:flex;flex-direction:column;line-height:1.1rem;}
.sd4d-brand-text strong{font-size:1.7rem;color:#fff;letter-spacing:.02rem;}
.sd4d-brand-text span{font-size:1rem;color:var(--sd4d-secondary);letter-spacing:.18rem;text-transform:uppercase;}

.sd4d-header-actions{display:flex;align-items:center;gap:.6rem;}
.sd4d-btn{
  display:inline-flex;align-items:center;gap:.4rem;
  font-size:1.3rem;font-weight:700;
  padding:.7rem 1.2rem;border-radius:1rem;
  border:.1rem solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  min-height:3.4rem;
}
.sd4d-btn i,.sd4d-btn .material-icons,.sd4d-btn .ion{font-size:1.5rem;}
.sd4d-btn-login{
  background:transparent;color:var(--sd4d-text);
  border-color:rgba(240,253,255,.35);
}
.sd4d-btn-login:hover{background:rgba(128,203,196,.12);}
.sd4d-btn-register{
  background:var(--sd4d-grad);color:#fff;
  box-shadow:0 .35rem .9rem rgba(65,105,225,.5);
}
.sd4d-btn-register:hover{transform:translateY(-1px);}
.sd4d-menu-btn{
  background:transparent;border:.1rem solid rgba(240,253,255,.25);
  color:var(--sd4d-text);width:3.4rem;height:3.4rem;border-radius:1rem;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}

/* ---------- Mobile Menu ---------- */
.sd4d-mobile-menu{
  position:fixed;inset:0 0 0 auto;width:82%;max-width:340px;
  background:linear-gradient(160deg,#141b3a,#0b1430);
  z-index:9999;transform:translateX(105%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);
  padding:2rem 1.6rem;overflow-y:auto;
  border-left:.1rem solid rgba(128,203,196,.22);
  box-shadow:-1rem 0 3rem rgba(0,0,0,.55);
}
.sd4d-mobile-menu.sd4d-open{transform:translateX(0);}
.sd4d-overlay{
  position:fixed;inset:0;background:rgba(3,6,18,.66);
  z-index:9998;opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.sd4d-overlay.sd4d-open{opacity:1;pointer-events:auto;}
.sd4d-menu-close{
  position:absolute;top:1.2rem;right:1.2rem;
  width:3.2rem;height:3.2rem;border-radius:.8rem;
  background:rgba(240,253,255,.08);color:#fff;border:none;font-size:1.8rem;cursor:pointer;
}
.sd4d-menu-title{font-size:1.4rem;color:var(--sd4d-secondary);text-transform:uppercase;letter-spacing:.18rem;margin-bottom:1.2rem;}
.sd4d-menu-list{display:flex;flex-direction:column;gap:.4rem;}
.sd4d-menu-list a{
  display:flex;align-items:center;gap:.9rem;
  padding:1.1rem 1rem;border-radius:1rem;color:var(--sd4d-text);font-size:1.45rem;
  background:rgba(240,253,255,.04);border:.1rem solid rgba(240,253,255,.06);
  transition:background .18s ease,border-color .18s ease;
}
.sd4d-menu-list a i,.sd4d-menu-list a .material-icons{color:var(--sd4d-secondary);font-size:1.8rem;}
.sd4d-menu-list a:hover{background:rgba(128,203,196,.14);border-color:rgba(128,203,196,.4);}
.sd4d-menu-cta{margin-top:1.6rem;display:flex;flex-direction:column;gap:.8rem;}

/* ---------- Hero ---------- */
.sd4d-hero{
  position:relative;border-radius:1.8rem;overflow:hidden;
  margin:1.4rem 0;padding:2.2rem 1.6rem 2rem;
  background:
    radial-gradient(420px 220px at 90% 0%,rgba(128,203,196,.35),transparent 70%),
    linear-gradient(135deg,rgba(65,105,225,.55),rgba(106,90,205,.55));
  border:.1rem solid rgba(128,203,196,.3);
  box-shadow:var(--sd4d-shadow);
}
.sd4d-hero-tag{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:1.15rem;font-weight:700;color:var(--sd4d-gold);
  background:rgba(0,0,0,.28);padding:.4rem .9rem;border-radius:2rem;margin-bottom:.8rem;
}
.sd4d-hero h1{font-size:2.5rem;line-height:1.15;color:#fff;margin-bottom:.6rem;letter-spacing:-.02rem;}
.sd4d-hero h1 em{font-style:normal;color:var(--sd4d-secondary);}
.sd4d-hero p{font-size:1.35rem;color:rgba(240,253,255,.86);margin-bottom:1.2rem;}
.sd4d-hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;}
.sd4d-hero-stats{display:flex;gap:1.2rem;margin-top:1.4rem;flex-wrap:wrap;}
.sd4d-stat{text-align:left;}
.sd4d-stat strong{display:block;font-size:1.9rem;color:#fff;font-weight:800;}
.sd4d-stat span{font-size:1.1rem;color:rgba(240,253,255,.78);}

/* ---------- Marquee ---------- */
.sd4d-marquee{
  display:flex;align-items:center;gap:.7rem;
  background:rgba(128,203,196,.1);border:.1rem solid rgba(128,203,196,.25);
  border-radius:1rem;padding:.7rem 1rem;margin:1.2rem 0;font-size:1.25rem;
  overflow:hidden;
}
.sd4d-marquee i{color:var(--sd4d-gold);}
.sd4d-marquee span{color:var(--sd4d-text);white-space:nowrap;}

/* ---------- Section ---------- */
.sd4d-section{margin:2.2rem 0;}
.sd4d-section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.2rem;gap:1rem;}
.sd4d-section-head h2{font-size:1.85rem;color:#fff;display:flex;align-items:center;gap:.6rem;}
.sd4d-section-head h2 i,.sd4d-section-head h2 .material-icons{color:var(--sd4d-secondary);font-size:2rem;}
.sd4d-section-head a{font-size:1.2rem;color:var(--sd4d-secondary);white-space:nowrap;}

/* ---------- Carousel ---------- */
.sd4d-carousel{position:relative;border-radius:1.4rem;overflow:hidden;margin-bottom:1rem;}
.sd4d-carousel-track{display:flex;transition:transform .42s cubic-bezier(.4,0,.2,1);}
.sd4d-slide{min-width:100%;position:relative;}
.sd4d-slide img{width:100%;height:18rem;object-fit:cover;}
.sd4d-slide-cap{position:absolute;left:0;right:0;bottom:0;padding:1.2rem 1.4rem;background:linear-gradient(transparent,rgba(3,6,18,.85));}
.sd4d-slide-cap h3{font-size:1.6rem;color:#fff;}
.sd4d-slide-cap p{font-size:1.2rem;color:var(--sd4d-secondary);}
.sd4d-dots{display:flex;justify-content:center;gap:.5rem;margin:.6rem 0 1.2rem;}
.sd4d-dots button{width:.9rem;height:.9rem;border-radius:50%;background:rgba(240,253,255,.25);border:none;cursor:pointer;transition:all .2s;}
.sd4d-dots button.sd4d-active{background:var(--sd4d-secondary);width:2rem;border-radius:.5rem;}

/* ---------- Filter ---------- */
.sd4d-filter{display:flex;gap:.6rem;overflow-x:auto;padding-bottom:.6rem;margin-bottom:1rem;}
.sd4d-filter button{
  flex:0 0 auto;padding:.6rem 1.2rem;border-radius:2rem;cursor:pointer;
  background:rgba(240,253,255,.06);border:.1rem solid rgba(240,253,255,.12);
  color:var(--sd4d-text);font-size:1.25rem;font-weight:600;transition:all .2s;
}
.sd4d-filter button.sd4d-active{background:var(--sd4d-grad);color:#fff;border-color:transparent;}

/* ---------- Game grid ---------- */
.sd4d-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.9rem;}
.sd4d-card{
  background:var(--sd4d-grad-soft);
  border:.1rem solid rgba(128,203,196,.22);
  border-radius:1.2rem;overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease;
  display:flex;flex-direction:column;
}
.sd4d-card:hover{transform:translateY(-3px);box-shadow:var(--sd4d-shadow);}
.sd4d-card-img{position:relative;aspect-ratio:1/1;overflow:hidden;}
.sd4d-card-img img{width:100%;height:100%;object-fit:cover;}
.sd4d-card-badge{position:absolute;top:.4rem;left:.4rem;background:var(--sd4d-gold);color:#1a1a1a;font-size:1rem;font-weight:800;padding:.15rem .5rem;border-radius:.5rem;}
.sd4d-card-badge.hot{background:#ff5b6e;color:#fff;}
.sd4d-card-badge.new{background:#3ddc84;color:#06250f;}
.sd4d-card-body{padding:.6rem .7rem .8rem;text-align:center;}
.sd4d-card-body h4{font-size:1.18rem;color:#fff;font-weight:600;line-height:1.2rem;min-height:2.4rem;display:flex;align-items:center;justify-content:center;}
.sd4d-card-play{
  margin-top:.5rem;display:block;width:100%;
  background:var(--sd4d-grad);color:#fff;font-size:1.15rem;font-weight:700;
  padding:.5rem 0;border-radius:.8rem;border:none;cursor:pointer;
}

/* ---------- Featured ---------- */
.sd4d-featured{display:flex;flex-direction:column;gap:1rem;}
.sd4d-feat-card{
  display:flex;gap:1rem;align-items:stretch;
  background:rgba(240,253,255,.04);
  border:.1rem solid rgba(128,203,196,.18);
  border-radius:1.3rem;padding:.9rem;
}
.sd4d-feat-card img{width:7rem;height:7rem;border-radius:1rem;object-fit:cover;flex:0 0 auto;}
.sd4d-feat-info{flex:1;display:flex;flex-direction:column;justify-content:center;}
.sd4d-feat-info h4{font-size:1.5rem;color:#fff;margin-bottom:.3rem;}
.sd4d-feat-info p{font-size:1.18rem;color:var(--sd4d-muted);line-height:1.4rem;margin-bottom:.6rem;}
.sd4d-feat-info .sd4d-btn{align-self:flex-start;padding:.5rem 1rem;font-size:1.2rem;min-height:auto;}

/* ---------- Article / SEO ---------- */
.sd4d-prose{
  background:rgba(240,253,255,.03);
  border:.1rem solid rgba(128,203,196,.16);
  border-radius:1.4rem;padding:1.6rem 1.4rem;
}
.sd4d-prose h2{font-size:1.8rem;color:#fff;margin-bottom:.8rem;display:flex;gap:.6rem;align-items:center;}
.sd4d-prose h2 .material-icons,.sd4d-prose h2 i{color:var(--sd4d-secondary);}
.sd4d-prose h3{font-size:1.5rem;color:var(--sd4d-secondary);margin:1.2rem 0 .5rem;}
.sd4d-prose p{font-size:1.32rem;color:rgba(240,253,255,.9);margin-bottom:.8rem;line-height:1.55rem;}
.sd4d-prose ul{margin:.6rem 0 1rem .4rem;}
.sd4d-prose ul li{position:relative;padding:.3rem 0 .3rem 1.6rem;font-size:1.28rem;color:rgba(240,253,255,.88);}
.sd4d-prose ul li:before{content:"";position:absolute;left:.2rem;top:1rem;width:.5rem;height:.5rem;background:var(--sd4d-secondary);border-radius:50%;}
.sd4d-prose ol{counter-reset:s;margin:.6rem 0 1rem;}
.sd4d-prose ol li{counter-increment:s;padding:.4rem 0 .4rem 2.6rem;position:relative;font-size:1.28rem;color:rgba(240,253,255,.9);}
.sd4d-prose ol li:before{content:counter(s);position:absolute;left:0;top:.3rem;width:1.8rem;height:1.8rem;border-radius:50%;background:var(--sd4d-grad);color:#fff;font-size:1.1rem;font-weight:800;display:flex;align-items:center;justify-content:center;}

/* ---------- FAQ ---------- */
.sd4d-faq-item{
  background:rgba(240,253,255,.04);border:.1rem solid rgba(128,203,196,.18);
  border-radius:1.1rem;margin-bottom:.8rem;overflow:hidden;
}
.sd4d-faq-q{
  width:100%;text-align:left;background:transparent;border:none;cursor:pointer;
  padding:1.2rem 1.2rem;color:#fff;font-size:1.35rem;font-weight:600;
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
}
.sd4d-faq-q .material-icons{color:var(--sd4d-secondary);transition:transform .2s;}
.sd4d-faq-item.sd4d-open .sd4d-faq-q .material-icons{transform:rotate(45deg);}
.sd4d-faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;padding:0 1.2rem;color:rgba(240,253,255,.85);font-size:1.25rem;line-height:1.5rem;}
.sd4d-faq-item.sd4d-open .sd4d-faq-a{max-height:480px;padding:0 1.2rem 1.2rem;}

/* ---------- Promo banner ---------- */
.sd4d-promo{
  background:linear-gradient(135deg,#6A5ACD,#4169E1);
  border-radius:1.4rem;padding:1.4rem;margin:1.6rem 0;text-align:center;color:#fff;
  box-shadow:var(--sd4d-shadow);
}
.sd4d-promo h3{font-size:1.7rem;margin-bottom:.4rem;}
.sd4d-promo p{font-size:1.22rem;color:rgba(255,255,255,.85);margin-bottom:1rem;}

/* ---------- Footer ---------- */
.sd4d-footer{
  margin-top:auto;padding:2.4rem 0 1rem;
  border-top:.1rem solid rgba(128,203,196,.18);
  background:rgba(7,12,30,.7);
}
.sd4d-footer-cols{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin-bottom:1.4rem;}
.sd4d-footer-col h5{font-size:1.25rem;color:var(--sd4d-secondary);margin-bottom:.7rem;text-transform:uppercase;letter-spacing:.12rem;}
.sd4d-footer-col a{display:block;font-size:1.2rem;color:var(--sd4d-muted);padding:.32rem 0;}
.sd4d-footer-col a:hover{color:var(--sd4d-text);}
.sd4d-footer-pay{display:flex;flex-wrap:wrap;gap:.6rem;margin:1rem 0;}
.sd4d-footer-pay span{font-size:1.1rem;background:rgba(240,253,255,.08);padding:.4rem .8rem;border-radius:.6rem;color:var(--sd4d-muted);}
.sd4d-footer-bottom{text-align:center;font-size:1.1rem;color:var(--sd4d-muted);padding-top:1rem;border-top:.1rem solid rgba(240,253,255,.07);}
.sd4d-disclaimer{font-size:1.1rem;color:rgba(187,187,187,.85);margin-top:.7rem;line-height:1.4rem;}

/* ---------- Bottom nav ---------- */
.sd4d-bottomnav{
  position:fixed;left:0;right:0;bottom:0;z-index:1000;
  max-width:430px;margin:0 auto;
  display:flex;justify-content:space-around;align-items:stretch;
  background:rgba(11,20,48,.96);
  backdrop-filter:blur(14px);
  border-top:.1rem solid rgba(128,203,196,.28);
  height:6.2rem;padding:.3rem 0;
  box-shadow:0 -.3rem 1rem rgba(0,0,0,.4);
}
.sd4d-bottomnav a,.sd4d-bottomnav button{
  flex:1;background:transparent;border:none;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:.2rem;color:var(--sd4d-muted);font-size:1rem;font-weight:600;min-width:60px;min-height:56px;
  transition:color .2s ease,transform .2s ease;
}
.sd4d-bottomnav a i,.sd4d-bottomnav a .material-icons,
.sd4d-bottomnav button i,.sd4d-bottomnav button .material-icons,
.sd4d-bottomnav a ion-icon,.sd4d-bottomnav button ion-icon{font-size:2.2rem;}
.sd4d-bottomnav a.sd4d-active,.sd4d-bottomnav button.sd4d-active{color:var(--sd4d-secondary);}
.sd4d-bottomnav a.sd4d-cta,.sd4d-bottomnav button.sd4d-cta{
  position:relative;color:#fff;
}
.sd4d-bottomnav a.sd4d-cta i,.sd4d-bottomnav button.sd4d-cta i{color:var(--sd4d-gold);}
.sd4d-bottomnav a.sd4d-cta:before,.sd4d-bottomnav button.sd4d-cta:before{
  content:"";position:absolute;top:-1.1rem;width:4.4rem;height:4.4rem;border-radius:50%;
  background:var(--sd4d-grad);box-shadow:0 .3rem .8rem rgba(65,105,225,.55);z-index:-1;
}
.sd4d-bottomnav a.sd4d-cta i,.sd4d-bottomnav button.sd4d-cta i{position:relative;top:-.6rem;}

/* ---------- Desktop ---------- */
@media (min-width:768px){
  body{background-size:cover;}
  .sd4d-container{max-width:960px;padding:0 2rem;}
  .sd4d-grid{grid-template-columns:repeat(6,1fr);}
  .sd4d-footer-cols{grid-template-columns:repeat(4,1fr);}
  .sd4d-bottomnav{display:none;}
  main{padding-bottom:1rem !important;}
  .sd4d-menu-btn{display:none;}
  .sd4d-desktop-nav{display:flex !important;align-items:center;gap:1rem;}
  .sd4d-desktop-nav a{color:var(--sd4d-text);font-size:1.3rem;padding:.4rem .6rem;}
}
.sd4d-desktop-nav{display:none;}

@media (max-width:768px){
  main{padding-bottom:8rem;}
}

/* Floating action */
.sd4d-fab{
  position:fixed;right:1.2rem;bottom:7.6rem;z-index:999;
  width:5rem;height:5rem;border-radius:50%;border:none;cursor:pointer;
  background:var(--sd4d-grad);color:#fff;font-size:2rem;
  box-shadow:0 .5rem 1.4rem rgba(65,105,225,.55);
  display:flex;align-items:center;justify-content:center;
}
.sd4d-fab:hover{transform:scale(1.05);}
@media (min-width:769px){.sd4d-fab{display:none;}}

/* Misc helpers */
.sd4d-hide{display:none !important;}
.sd4d-text-link{color:var(--sd4d-secondary);font-weight:700;}
.sd4d-text-link:hover{color:var(--sd4d-text);text-decoration:underline;}
.sd4d-pill{display:inline-block;background:rgba(128,203,196,.16);color:var(--sd4d-secondary);font-size:1.1rem;padding:.3rem .9rem;border-radius:2rem;margin:.2rem .3rem;}