/* =========================================================
   Diamond Secret Club — VIP Membership LP
   Design system: Royal Navy × Champagne Gold
   ========================================================= */

:root{
  /* Blue depth (themeable) */
  --navy-950:#04091a;
  --navy-900:#070f24;
  --navy-800:#0b1832;
  --navy-700:#102447;
  --royal:#1c3f87;          /* ambient glow */

  /* Gold (themeable) */
  --gold-1:#f7e9b6;
  --gold-2:#d9b35c;
  --gold-3:#a87f2e;
  --gold-soft:#e9cd84;
  --gold-grad:linear-gradient(135deg,var(--gold-1) 0%,var(--gold-2) 42%,var(--gold-3) 78%,#f1dc92 100%);
  --gold-line:rgba(217,179,92,.30);

  --platinum:#cfdaee;
  --ink:#eef3ff;
  --muted:#94a4c6;
  --muted-deep:#6b7ca0;

  --surface:rgba(255,255,255,.035);
  --surface-2:rgba(255,255,255,.06);
  --shell-max:500px;

  --f-disp:"Zen Kaku Gothic New","Noto Sans JP",sans-serif;
  --f-body:"Noto Sans JP",sans-serif;
  --f-lat:"Cinzel",serif;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  font-family:var(--f-body);
  color:var(--ink);
  background:var(--navy-950);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

/* Ambient backdrop framing the mobile column on desktop */
.bg{
  position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(120% 80% at 50% -10%, #16336f 0%, var(--navy-900) 46%, var(--navy-950) 100%);
}
.bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(40% 30% at 80% 8%, rgba(217,179,92,.10), transparent 60%),
    radial-gradient(50% 40% at 12% 30%, rgba(28,63,135,.55), transparent 60%);
  mix-blend-mode:screen;
}

/* ---------- Shell (mobile-first column) ---------- */
.shell{
  position:relative;
  max-width:var(--shell-max);
  margin:0 auto;
  background:linear-gradient(180deg, var(--navy-900), var(--navy-950) 60%);
  box-shadow:0 0 0 1px rgba(217,179,92,.10), 0 40px 120px rgba(0,0,0,.6);
  overflow:hidden;
}

section{padding:62px 22px;position:relative;}
.section-dark{background:
  linear-gradient(180deg, rgba(8,17,40,.0), rgba(6,12,30,.85)),
  radial-gradient(120% 60% at 50% 0%, rgba(28,63,135,.35), transparent 70%);}

/* ---------- Type helpers ---------- */
.eyebrow{
  font-family:var(--f-lat);
  letter-spacing:.42em;
  text-transform:uppercase;
  font-size:11px;
  font-weight:600;
  background:var(--gold-grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:inline-block;
  margin-bottom:16px;
  padding-left:.42em;
}
.eyebrow.center{display:block;text-align:center;}
h2.title{
  font-family:var(--f-disp);
  font-weight:900;
  font-size:clamp(25px,7.2vw,31px);
  line-height:1.32;
  letter-spacing:.01em;
  margin-bottom:14px;
  text-wrap:balance;
}
.title .em{
  background:var(--gold-grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{color:var(--muted);font-size:14.5px;line-height:1.9;}
.center{text-align:center;}
.gold-text{background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}

.divider{
  width:54px;height:1px;margin:18px 0 22px;
  background:linear-gradient(90deg,transparent,var(--gold-2),transparent);
}
.divider.center{margin-left:auto;margin-right:auto;}

/* ---------- Buttons / CTA ---------- */
.cta-wrap{margin-top:30px;}
.btn{
  display:flex;align-items:center;justify-content:center;gap:10px;
  width:100%;
  font-family:var(--f-disp);
  font-weight:700;font-size:17px;letter-spacing:.04em;
  padding:19px 22px;border:none;border-radius:999px;cursor:pointer;
  text-decoration:none;position:relative;overflow:hidden;
  transition:transform .25s cubic-bezier(.2,.7,.2,1), box-shadow .25s;
}
.btn-gold{
  color:#1a1102;
  background:var(--gold-grad);
  box-shadow:0 10px 30px rgba(217,179,92,.32), inset 0 1px 0 rgba(255,255,255,.5);
}
.btn-gold::after{
  content:"";position:absolute;top:0;left:-60%;width:45%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.65),transparent);
  transform:skewX(-18deg);
  animation:sheen 4.5s ease-in-out infinite;
}
@keyframes sheen{0%,72%{left:-60%}88%,100%{left:130%}}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(217,179,92,.45), inset 0 1px 0 rgba(255,255,255,.6);}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{
  color:var(--gold-soft);
  background:transparent;
  border:1px solid var(--gold-line);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.02);
  font-size:15px;font-weight:600;padding:16px 20px;
}
.btn-ghost:hover{background:rgba(217,179,92,.08);}
.btn .sub{font-size:11px;font-weight:600;opacity:.7;letter-spacing:.06em;}
.btn-note{text-align:center;font-size:11.5px;color:var(--muted-deep);margin-top:12px;letter-spacing:.04em;}

/* ---------- Top bar ---------- */
.topbar{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 18px;
  background:rgba(5,11,26,.72);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(217,179,92,.14);
}
.topbar .mark{display:flex;align-items:center;gap:9px;}
.topbar .mark img{height:34px;width:auto;display:block;filter:drop-shadow(0 2px 6px rgba(0,0,0,.5));}
.topbar .mark span{font-family:var(--f-lat);font-size:12px;letter-spacing:.28em;color:var(--platinum);}
.topbar .mini-cta{
  font-family:var(--f-disp);font-weight:700;font-size:12.5px;letter-spacing:.04em;
  color:#1a1102;background:var(--gold-grad);
  padding:9px 16px;border-radius:999px;text-decoration:none;
  box-shadow:0 4px 14px rgba(217,179,92,.3);
}

/* ---------- HERO ---------- */
.hero{
  padding:46px 22px 56px;
  text-align:center;
  background:
    radial-gradient(90% 55% at 50% 24%, rgba(28,63,135,.6), transparent 70%),
    radial-gradient(60% 40% at 50% 6%, rgba(217,179,92,.14), transparent 70%);
}
.hero-logo{
  width:140px;height:auto;margin:2px auto 2px;display:block;
  filter:drop-shadow(0 14px 38px rgba(28,63,135,.7)) drop-shadow(0 2px 8px rgba(0,0,0,.55));
  animation:rise .9s ease both;
}
.hero .eyebrow{margin-top:6px;}
.hero h1{
  font-family:var(--f-disp);
  font-weight:900;
  font-size:clamp(30px,9.4vw,42px);
  line-height:1.28;
  letter-spacing:.005em;
  margin:6px 0 8px;
  text-wrap:balance;
  animation:rise .9s .05s ease both;
}
.hero h1 .em{background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{color:var(--platinum);font-size:14.5px;max-width:30ch;margin:0 auto 26px;animation:rise .9s .1s ease both;}

.offer-cards{display:flex;gap:12px;margin:0 auto 30px;max-width:420px;animation:rise .9s .15s ease both;}
.offer{
  flex:1;border:1px solid var(--gold-line);border-radius:16px;
  padding:16px 10px 15px;
  background:linear-gradient(180deg, rgba(217,179,92,.08), rgba(255,255,255,.02));
  position:relative;
}
.offer .k{font-family:var(--f-lat);font-size:9.5px;letter-spacing:.18em;color:var(--muted);text-transform:uppercase;margin-bottom:6px;}
.offer .v{font-family:var(--f-disp);font-weight:900;font-size:25px;line-height:1;}
.offer .v small{font-size:13px;font-weight:700;}
.offer .u{font-size:11px;color:var(--muted);margin-top:5px;}
.offer .v.gold{background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}

.hero .scroll-hint{margin-top:8px;font-size:11px;letter-spacing:.3em;color:var(--muted-deep);text-transform:uppercase;font-family:var(--f-lat);}
.hero .scroll-hint::after{content:"";display:block;width:1px;height:26px;margin:10px auto 0;background:linear-gradient(var(--gold-2),transparent);animation:drop 1.8s ease-in-out infinite;}

@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes drop{0%,100%{opacity:.2;transform:scaleY(.6)}50%{opacity:1;transform:scaleY(1)}}

/* ---------- Benefits (3) ---------- */
.benefit{
  display:flex;gap:16px;align-items:flex-start;
  padding:22px;border:1px solid rgba(255,255,255,.07);border-radius:18px;
  background:var(--surface);
  margin-bottom:14px;
  position:relative;overflow:hidden;
}
.benefit::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--gold-grad);opacity:.0;transition:opacity .3s;}
.benefit:hover::before{opacity:1;}
.benefit .ico{
  flex:0 0 52px;width:52px;height:52px;border-radius:13px;
  display:grid;place-items:center;
  border:1px solid var(--gold-line);
  background:radial-gradient(120% 120% at 30% 20%, rgba(217,179,92,.18), rgba(255,255,255,.02));
}
.benefit .ico svg{width:26px;height:26px;}
.benefit .no{font-family:var(--f-lat);font-size:11px;letter-spacing:.2em;color:var(--gold-2);}
.benefit h3{font-family:var(--f-disp);font-weight:700;font-size:17px;margin:3px 0 5px;}
.benefit p{font-size:13px;color:var(--muted);line-height:1.8;}

/* ---------- Support section ---------- */
.support-grid{margin-top:8px;}
.chatcard{
  border:1px solid rgba(255,255,255,.08);
  border-radius:20px;
  background:linear-gradient(180deg, rgba(11,24,50,.9), rgba(6,12,30,.9));
  padding:16px 14px 14px;
  box-shadow:0 24px 60px rgba(0,0,0,.45);
}
.chat-head{display:flex;align-items:center;gap:11px;padding:2px 4px 12px;border-bottom:1px solid rgba(255,255,255,.06);}
.chat-head .av{width:38px;height:38px;border-radius:50%;background:var(--gold-grad);display:grid;place-items:center;font-family:var(--f-disp);font-weight:900;color:#1a1102;font-size:15px;}
.chat-head .nm{font-family:var(--f-disp);font-weight:700;font-size:14px;}
.chat-head .st{font-size:11px;color:#5fcf8a;display:flex;align-items:center;gap:6px;}
.chat-head .st::before{content:"";width:7px;height:7px;border-radius:50%;background:#5fcf8a;box-shadow:0 0 8px #5fcf8a;}
.bubbles{display:flex;flex-direction:column;gap:9px;padding:14px 4px 4px;}
.bub{max-width:78%;padding:10px 13px;border-radius:15px;font-size:12.5px;line-height:1.6;}
.bub.them{align-self:flex-start;background:rgba(255,255,255,.07);border-top-left-radius:5px;}
.bub.me{align-self:flex-end;background:var(--gold-grad);color:#1a1102;border-top-right-radius:5px;font-weight:500;}
.bub .t{display:block;font-size:9.5px;color:var(--muted-deep);margin-top:4px;letter-spacing:.04em;}
.bub.me .t{color:rgba(26,17,2,.55);}
.support-feats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px;}
.sfeat{border:1px solid rgba(255,255,255,.07);border-radius:13px;padding:13px 13px;background:var(--surface);}
.sfeat .n{font-family:var(--f-disp);font-weight:900;font-size:20px;background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.sfeat .l{font-size:11.5px;color:var(--muted);margin-top:2px;}

/* ---------- Perks (特典の中身) ---------- */
.perk-block{border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:6px 18px 18px;margin-bottom:14px;background:var(--surface);}
.perk-block > .ph{display:flex;align-items:center;gap:11px;padding:18px 0 14px;border-bottom:1px solid rgba(255,255,255,.06);}
.perk-block > .ph .badge{font-family:var(--f-lat);font-size:10px;letter-spacing:.16em;color:#1a1102;background:var(--gold-grad);padding:5px 11px;border-radius:999px;text-transform:uppercase;}
.perk-block > .ph h3{font-family:var(--f-disp);font-weight:700;font-size:16px;}
.perk-list{list-style:none;margin-top:6px;}
.perk-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.07);font-size:13.5px;line-height:1.7;}
.perk-list li:last-child{border-bottom:none;}
.perk-list .ck{flex:0 0 20px;width:20px;height:20px;margin-top:2px;border-radius:50%;border:1px solid var(--gold-line);display:grid;place-items:center;}
.perk-list .ck svg{width:11px;height:11px;}
.perk-list b{color:var(--ink);font-weight:700;}
.perk-note{font-size:12px;color:var(--muted-deep);margin-top:14px;line-height:1.7;text-align:center;}

/* ---------- For whom ---------- */
.who-list{display:flex;flex-direction:column;gap:11px;margin-top:6px;}
.who{
  display:flex;gap:14px;align-items:center;
  padding:16px 18px;border-radius:14px;
  border:1px solid rgba(255,255,255,.07);
  background:linear-gradient(100deg, rgba(217,179,92,.06), rgba(255,255,255,.02));
}
.who .qm{font-family:var(--f-disp);font-weight:900;font-size:20px;background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;flex:0 0 auto;}
.who p{font-size:14px;font-weight:500;}
.who p span{color:var(--gold-soft);}

/* ---------- Steps ---------- */
.steps{position:relative;margin-top:10px;}
.steps::before{content:"";position:absolute;left:25px;top:18px;bottom:18px;width:1px;background:linear-gradient(var(--gold-2),rgba(217,179,92,.1));}
.step{display:flex;gap:18px;align-items:flex-start;padding:0 0 26px;position:relative;}
.step:last-child{padding-bottom:0;}
.step .dot{
  flex:0 0 50px;width:50px;height:50px;border-radius:50%;
  display:grid;place-items:center;
  font-family:var(--f-disp);font-weight:900;font-size:18px;color:#1a1102;
  background:var(--gold-grad);
  box-shadow:0 6px 20px rgba(217,179,92,.3);z-index:1;
}
.step .sc{padding-top:5px;}
.step h3{font-family:var(--f-disp);font-weight:700;font-size:16px;margin-bottom:4px;}
.step p{font-size:13px;color:var(--muted);}

/* ---------- Trust / stats ---------- */
.stats{display:flex;gap:12px;margin-bottom:24px;}
.stat{flex:1;text-align:center;border:1px solid var(--gold-line);border-radius:16px;padding:18px 8px;background:linear-gradient(180deg,rgba(217,179,92,.07),rgba(255,255,255,.02));}
.stat .n{font-family:var(--f-disp);font-weight:900;font-size:27px;line-height:1;background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat .n small{font-size:14px;}
.stat .l{font-size:11px;color:var(--muted);margin-top:7px;letter-spacing:.02em;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid rgba(255,255,255,.08);}
.faq-item{border-bottom:1px solid rgba(255,255,255,.08);}
.faq-q{
  width:100%;background:none;border:none;cursor:pointer;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 2px;text-align:left;font-family:var(--f-body);font-weight:600;font-size:14px;line-height:1.6;
}
.faq-q .q{display:flex;gap:10px;}
.faq-q .q::before{content:"Q";font-family:var(--f-lat);color:var(--gold-2);font-weight:700;flex:0 0 auto;}
.faq-q .ic{flex:0 0 auto;width:20px;height:20px;position:relative;}
.faq-q .ic::before,.faq-q .ic::after{content:"";position:absolute;background:var(--gold-2);transition:transform .3s;}
.faq-q .ic::before{left:0;right:0;top:9px;height:2px;}
.faq-q .ic::after{top:0;bottom:0;left:9px;width:2px;}
.faq-item.open .ic::after{transform:scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a .inner{padding:0 2px 18px 22px;font-size:13px;color:var(--muted);line-height:1.85;}

/* ---------- Form ---------- */
.form-card{
  border:1px solid var(--gold-line);border-radius:22px;
  background:linear-gradient(180deg, rgba(11,24,50,.92), rgba(6,12,30,.96));
  padding:24px 20px;
  box-shadow:0 30px 80px rgba(0,0,0,.5);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:12px;font-weight:600;color:var(--platinum);margin-bottom:7px;letter-spacing:.03em;}
.field label .req{color:var(--gold-2);margin-left:4px;}
.field input, .field select{
  width:100%;padding:14px 15px;border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  color:var(--ink);font-family:var(--f-body);font-size:15px;
  transition:border-color .2s, box-shadow .2s;
}
.field input::placeholder{color:var(--muted-deep);}
.field input:focus, .field select:focus{outline:none;border-color:var(--gold-2);box-shadow:0 0 0 3px rgba(217,179,92,.16);}
.field .err{color:#ff8b8b;font-size:11.5px;margin-top:6px;display:none;}
.field.invalid .err{display:block;}
.field.invalid input{border-color:rgba(255,139,139,.7);}

.seg{display:flex;gap:10px;}
.seg label{
  flex:1;cursor:pointer;border:1px solid rgba(255,255,255,.12);border-radius:12px;
  padding:13px;text-align:center;font-size:13px;font-weight:600;transition:.2s;display:flex;align-items:center;justify-content:center;gap:8px;
}
.seg input{position:absolute;opacity:0;pointer-events:none;}
.seg label .ch{width:18px;height:18px;}
.seg input:checked + label{border-color:var(--gold-2);background:rgba(217,179,92,.12);color:var(--gold-soft);}
.contact-links{display:flex;flex-direction:column;gap:11px;margin-top:6px;}
.link-row{display:flex;gap:11px;}
.link-row .btn{flex:1;}
.btn-line{background:#06c755;color:#fff;box-shadow:0 8px 24px rgba(6,199,85,.3);}
.btn-line:hover{transform:translateY(-2px);}
.btn-tg{background:#229ed9;color:#fff;box-shadow:0 8px 24px rgba(34,158,217,.3);}
.btn-tg:hover{transform:translateY(-2px);}

.form-done{display:none;text-align:center;padding:14px 0;}
.form-done.show{display:block;animation:rise .5s ease both;}
.apply-head{text-align:center;margin-bottom:20px;}
.apply-head .seal{margin:0 auto 14px;}
.apply-head h3{font-family:var(--f-disp);font-weight:700;font-size:18px;margin-bottom:6px;}
.apply-head p{font-size:12.5px;color:var(--muted);line-height:1.75;max-width:30ch;margin:0 auto;}
.seal{width:62px;height:62px;border-radius:50%;background:var(--gold-grad);display:grid;place-items:center;box-shadow:0 10px 30px rgba(217,179,92,.4);}
.form-done .seal{margin:0 auto 14px;}
.form-done h3{font-family:var(--f-disp);font-weight:700;font-size:19px;margin-bottom:8px;}
.form-done p{font-size:13px;color:var(--muted);margin-bottom:18px;}

/* ---------- Final CTA ---------- */
.final{
  text-align:center;
  background:
    radial-gradient(90% 60% at 50% 20%, rgba(28,63,135,.5), transparent 70%),
    linear-gradient(180deg, rgba(217,179,92,.05), transparent);
}
.final h2{font-family:var(--f-disp);font-weight:900;font-size:clamp(26px,8vw,34px);line-height:1.3;margin-bottom:10px;text-wrap:balance;}
.limited-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--f-lat);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold-soft);border:1px solid var(--gold-line);border-radius:999px;
  padding:7px 16px;margin-bottom:18px;
}
.limited-tag .pulse{width:7px;height:7px;border-radius:50%;background:var(--gold-2);box-shadow:0 0 0 0 rgba(217,179,92,.6);animation:pulse 1.8s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(217,179,92,.5)}70%{box-shadow:0 0 0 9px rgba(217,179,92,0)}100%{box-shadow:0 0 0 0 rgba(217,179,92,0)}}

.countdown{display:flex;justify-content:center;gap:10px;margin:8px 0 28px;}
.cd-unit{min-width:64px;border:1px solid var(--gold-line);border-radius:14px;padding:12px 6px;background:linear-gradient(180deg, rgba(11,24,50,.9), rgba(6,12,30,.9));}
.cd-unit .num{font-family:var(--f-disp);font-weight:900;font-size:30px;line-height:1;background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;}
.cd-unit .lab{font-size:9.5px;letter-spacing:.16em;color:var(--muted);text-transform:uppercase;margin-top:7px;font-family:var(--f-lat);}

/* ---------- Footer ---------- */
.foot{background:var(--navy-950);padding:34px 22px 40px;text-align:center;border-top:1px solid rgba(217,179,92,.12);}
.foot img{height:62px;margin-bottom:12px;opacity:.95;}
.foot .fnav{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-bottom:16px;}
.foot .fnav a{color:var(--muted);font-size:12px;text-decoration:none;}
.foot .fnav a:hover{color:var(--gold-soft);}
.foot .disc{font-size:10.5px;color:var(--muted-deep);line-height:1.8;max-width:40ch;margin:0 auto 14px;}
.foot .cc{font-family:var(--f-lat);font-size:10px;letter-spacing:.2em;color:var(--muted-deep);}

/* ---------- Sticky mobile CTA ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  max-width:var(--shell-max);margin:0 auto;
  padding:11px 16px calc(11px + env(safe-area-inset-bottom));
  background:linear-gradient(180deg, rgba(5,11,26,.4), rgba(5,11,26,.94) 40%);
  backdrop-filter:blur(10px);
  border-top:1px solid rgba(217,179,92,.16);
  transform:translateY(120%);transition:transform .4s cubic-bezier(.2,.7,.2,1);
}
.sticky-cta.show{transform:translateY(0);}
.sticky-cta .btn{padding:15px;font-size:15px;}

/* ---------- Room interior backgrounds ---------- */
.hero{overflow:hidden;}
.hero > *{position:relative;z-index:1;}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:url(assets/room-baccarat.png) center 30%/cover no-repeat;
  opacity:.30;
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,1) 30%, rgba(0,0,0,.5) 70%, transparent 96%);
  mask-image:linear-gradient(180deg, rgba(0,0,0,1) 30%, rgba(0,0,0,.5) 70%, transparent 96%);
}

.final{overflow:hidden;}
.final > *{position:relative;z-index:1;}
.final::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    linear-gradient(180deg, rgba(6,12,30,.86), rgba(4,9,26,.93)),
    url(assets/room-roulette.png) center/cover no-repeat;
}

.room-faint > *{position:relative;z-index:1;}
.room-faint::before{
  content:"";position:absolute;inset:0;z-index:0;
  opacity:.16;
  -webkit-mask-image:linear-gradient(180deg, transparent, rgba(0,0,0,.9) 35%, rgba(0,0,0,.9) 65%, transparent);
  mask-image:linear-gradient(180deg, transparent, rgba(0,0,0,.9) 35%, rgba(0,0,0,.9) 65%, transparent);
}
.room-faint.room-roulette::before{background:url(assets/room-roulette.png) center/cover no-repeat;}
.room-faint.room-baccarat::before{background:url(assets/room-baccarat.png) center/cover no-repeat;}

body.no-roombg .hero::before,
body.no-roombg .final::before,
body.no-roombg .room-faint::before{display:none;}
body.no-roombg .final{background:
  radial-gradient(90% 60% at 50% 20%, rgba(28,63,135,.5), transparent 70%),
  linear-gradient(180deg, rgba(217,179,92,.05), transparent), var(--navy-900);}

@media (max-width:380px){
  section{padding:54px 18px;}
  .offer-cards{gap:9px;}
}