/* Bubble Cascade — Teal Slate DNA, rolled for bubblecasade.online */
:root{
  --bg:#f4f7f7; --surface:#ffffff; --tint:#e5eeee;
  --ink:#14282a; --muted:#5a7375; --line:#cfe0e0;
  --accent:#158a8c; --accent-ink:#ffffff; --accent-soft:#d6ecec;
  --sec1:#12a3a6; --sec1-soft:#ddf4f4;
  --sec2:#2f6de0; --sec2-soft:#e2ebfc;
  --sec3:#8a4de0; --sec3-soft:#eee3fb;
  --sec4:#e05252; --sec4-soft:#fbe3e3;
  --sec5:#2fae57; --sec5-soft:#def5e6;
  --radius:14px; --shadow:0 10px 30px rgba(20,40,42,.09);
  --maxw:1140px; --prose:720px;
  --pad-x:clamp(20px,5vw,64px);
  --sec-gap:clamp(64px,10vh,120px);
  --font-display:'Archivo',sans-serif; --font-body:'Rubik',sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.72 var(--font-body)}
h1,h2,h3{font-family:var(--font-display);line-height:1.15}
h1{font-size:clamp(2.2rem,5.5vw,3.6rem);font-weight:900}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem);font-weight:800}
h3{font-weight:700}
a{color:var(--accent)}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad-x)}
section{padding:calc(var(--sec-gap)/2) 0}

/* highlighter-sweep headings — each section tints its own hue */
.hl{display:inline;background:linear-gradient(transparent 62%, var(--hl,var(--accent-soft)) 62%);padding:0 .1em}

/* ---------- nav: boxed capsule + Play pill outside ---------- */
.site-nav{position:sticky;top:0;z-index:50;background:rgba(244,247,247,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-row{display:flex;align-items:center;gap:18px;max-width:var(--maxw);margin:0 auto;padding:10px var(--pad-x)}
.wordmark{font-family:var(--font-display);font-weight:900;font-size:1.25rem;color:var(--ink);text-decoration:none;letter-spacing:-.01em;display:flex;align-items:center;gap:8px}
.wordmark .dot{width:20px;height:20px;border-radius:50%;background:radial-gradient(circle at 32% 28%, #7de0e2, var(--accent) 70%);box-shadow:inset -2px -3px 4px rgba(0,60,62,.35), 0 2px 4px rgba(20,40,42,.25)}
.nav-caps{display:flex;gap:2px;margin-left:auto;background:var(--tint);border-radius:999px;padding:5px}
.nav-caps a{color:var(--ink);text-decoration:none;font-size:.92rem;font-weight:500;padding:6px 14px;border-radius:999px}
.nav-caps a:hover{background:var(--surface)}
.play-pill{background:var(--accent);color:var(--accent-ink);text-decoration:none;font-weight:700;font-size:.95rem;padding:9px 22px;border-radius:999px;box-shadow:0 3px 0 #0d6567, 0 6px 14px rgba(21,138,140,.35)}
.play-pill:active{transform:translateY(2px);box-shadow:0 1px 0 #0d6567}
@media (max-width:760px){.nav-caps{display:none}}

/* ---------- game embed, top of page ---------- */
.play-zone{padding:clamp(14px,2.5vh,28px) 0 0}
.play-shell{position:relative;width:min(560px, calc(100% - 2*var(--pad-x)));margin:0 auto;aspect-ratio:3/4;max-height:min(76vh,700px);border-radius:22px;overflow:hidden;box-shadow:0 18px 44px rgba(16,26,64,.35), 0 4px 0 rgba(16,26,64,.15)}
.play-shell iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.poster{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;text-align:center;background:linear-gradient(150deg,#6d3bb8,#2f5fd0 48%,#0fa2b0);cursor:pointer}
.poster-title{font-family:var(--font-display);font-weight:900;font-size:clamp(2.4rem,9vw,3.6rem);line-height:.95;color:#fff;letter-spacing:.01em;
  text-shadow:0 1px 0 #ffe9a8, 0 3px 0 #f2a53c, 0 5px 0 #d97f16, 0 7px 0 #a85a0a, 0 14px 24px rgba(10,0,40,.55)}
.poster-title span{display:block;font-size:.6em;letter-spacing:.16em;
  text-shadow:0 1px 0 #b8f3ff, 0 3px 0 #38b6d8, 0 5px 0 #1b86ad, 0 12px 20px rgba(10,0,40,.5)}
.poster-hook{margin:0;color:#e6efff;font-weight:500;text-shadow:0 2px 4px rgba(0,0,40,.5)}
/* animated teaser bubbles behind the title */
.tz{position:absolute;border-radius:50%;pointer-events:none;animation:tzFloat 7s ease-in-out infinite}
.tz::after{content:'';position:absolute;left:22%;top:16%;width:32%;height:20%;border-radius:50%;background:rgba(255,255,255,.75);transform:rotate(-25deg)}
@keyframes tzFloat{50%{transform:translateY(-26px)}}
/* 3-layer 3D play button */
.btn3d{position:relative;display:inline-block;border:0;padding:0;background:none;cursor:pointer;-webkit-tap-highlight-color:transparent}
.btn3d .b-sh{position:absolute;inset:0;border-radius:15px;background:rgba(0,0,40,.4);filter:blur(5px);transform:translateY(4px)}
.btn3d .b-ed{position:absolute;inset:0;border-radius:15px;background:linear-gradient(90deg,#0a6e4d,#0c8a60 12% 88%,#0a6e4d)}
.btn3d .b-fr{position:relative;display:flex;align-items:center;gap:10px;border-radius:15px;padding:15px 38px;font-family:var(--font-display);font-weight:800;font-size:1.25rem;color:#fff;text-shadow:0 2px 3px rgba(0,0,40,.4);background:linear-gradient(180deg,#2fd98a,#13a86a);transform:translateY(-6px);transition:transform .18s cubic-bezier(.3,.7,.4,1.5);box-shadow:inset 0 2px 0 rgba(255,255,255,.4);animation:pulseBtn 1.7s ease-in-out infinite}
.btn3d:hover .b-fr{transform:translateY(-8px)}
.btn3d:active .b-fr{transform:translateY(-2px);transition-duration:.034s}
@keyframes pulseBtn{50%{transform:translateY(-6px) scale(1.04)}}
.play-tools{text-align:center;margin-top:10px}
.play-tools button{border:1px solid var(--line);background:var(--surface);color:var(--muted);font:inherit;font-size:.88rem;padding:7px 18px;border-radius:999px;cursor:pointer}
.play-tools button:hover{color:var(--ink);border-color:var(--muted)}

/* ---------- intro under the game ---------- */
.intro{padding-top:clamp(34px,6vh,56px);position:relative}
.intro .wrap{max-width:var(--prose)}
.intro h1{margin:0 0 14px}
.intro p{margin:0;color:var(--muted);font-size:1.06rem}
/* confetti dots — motif, used sparingly */
.confetti-spot{position:relative}
.confetti-spot::before{content:'';position:absolute;width:120px;height:120px;top:-8px;right:4vw;opacity:.5;pointer-events:none;
  background:radial-gradient(circle 5px at 12px 20px, var(--sec1) 98%, transparent),
             radial-gradient(circle 4px at 60px 6px, var(--sec4) 98%, transparent),
             radial-gradient(circle 6px at 100px 42px, var(--sec2) 98%, transparent),
             radial-gradient(circle 4px at 34px 74px, var(--sec5) 98%, transparent),
             radial-gradient(circle 5px at 84px 96px, var(--sec3) 98%, transparent)}

/* jump bar */
.jump-bar{padding:26px 0 0}
.jump-bar .wrap{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.jump-bar a{text-decoration:none;font-weight:600;font-size:.92rem;padding:8px 18px;border-radius:999px;border:1.5px solid var(--line);color:var(--ink);background:var(--surface)}
.jump-bar a:hover{border-color:currentColor}
.jump-bar a:nth-child(1){color:var(--sec1)}
.jump-bar a:nth-child(2){color:var(--sec2)}
.jump-bar a:nth-child(3){color:var(--sec3)}
.jump-bar a:nth-child(4){color:var(--sec5)}

/* ---------- How to Play: split-screen, sticky left, teal ---------- */
.howto{--hl:var(--sec1-soft);padding-top:var(--sec-gap)}
.howto .wrap{display:grid;grid-template-columns:minmax(240px,1fr) 1.6fr;gap:clamp(28px,5vw,72px)}
.howto-head{align-self:start;position:sticky;top:84px}
.howto-head h2{margin:.2em 0}
.howto-head p{color:var(--muted);margin:0}
.step-row{display:flex;gap:18px;padding:22px 0;border-bottom:1px dashed var(--line)}
.step-row:last-child{border-bottom:0}
.step-num{flex:none;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;font-family:var(--font-display);font-weight:800;font-size:1.15rem;color:#fff;background:radial-gradient(circle at 32% 28%, #4cc8ca, var(--sec1) 72%);box-shadow:inset -2px -3px 5px rgba(0,80,82,.35), 0 3px 8px rgba(18,163,166,.35)}
.step-row h3{margin:2px 0 6px;font-size:1.15rem}
.step-row p{margin:0;color:var(--muted)}
@media (max-width:820px){.howto .wrap{grid-template-columns:1fr}.howto-head{position:static}}

/* ---------- Tips: full-bleed blue tint band, Tip-01 pills ---------- */
.tips{--hl:var(--sec2-soft);background:var(--sec2-soft);margin-top:var(--sec-gap);padding:calc(var(--sec-gap)*.7) 0}
.tips h2{margin-top:0}
.tips-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px 40px;margin-top:34px}
.tip-block .tip-pill{display:inline-block;background:var(--sec2);color:#fff;font-family:var(--font-display);font-weight:700;font-size:.8rem;letter-spacing:.1em;padding:4px 14px;border-radius:999px;margin-bottom:8px}
.tip-block h3{margin:0 0 8px;font-size:1.12rem}
.tip-block ul{margin:0;padding-left:20px;color:var(--muted)}
.tip-block li{margin-bottom:6px}
.tip-block li::marker{color:var(--sec2)}
@media (max-width:720px){.tips-grid{grid-template-columns:1fr}}

/* ---------- FAQ: floating card + chat bubbles, violet ---------- */
.faq{--hl:var(--sec3-soft);padding-top:var(--sec-gap)}
.faq-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:clamp(24px,4vw,52px);max-width:860px;margin:34px auto 0}
.faq-item{display:flex;flex-direction:column;gap:10px;margin-bottom:26px}
.faq-item:last-child{margin-bottom:0}
.faq-q,.faq-a{max-width:82%;padding:12px 18px;line-height:1.6}
.faq-q{align-self:flex-end;background:var(--sec3);color:#fff;font-weight:600;border-radius:18px 18px 4px 18px}
.faq-a{align-self:flex-start;background:var(--sec3-soft);color:var(--ink);border-radius:18px 18px 18px 4px}
.faq-a b{color:var(--sec3)}
@media (max-width:560px){.faq-q,.faq-a{max-width:94%}}

/* ---------- Benefits: dotted-pattern band + checklist, coral ---------- */
.perks{--hl:var(--sec4-soft);margin-top:var(--sec-gap);padding:calc(var(--sec-gap)*.72) 0;
  background:var(--surface);
  background-image:radial-gradient(rgba(224,82,82,.07) 1.5px, transparent 1.5px);
  background-size:26px 26px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.perk-list{display:grid;grid-template-columns:1fr 1fr;gap:8px 44px;margin-top:30px}
.perk-tile{display:flex;gap:16px;padding:18px 4px;align-items:flex-start}
.perk-check{flex:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:#fff;background:linear-gradient(160deg,#ef7d6d,var(--sec4));box-shadow:0 3px 0 #b23434, 0 6px 12px rgba(224,82,82,.3)}
.perk-tile h3{margin:0 0 4px;font-size:1.08rem}
.perk-tile h3 svg{vertical-align:-4px;margin-right:7px;color:var(--sec4)}
.perk-tile p{margin:0;color:var(--muted);font-size:.98rem}
@media (max-width:720px){.perk-list{grid-template-columns:1fr}}

/* ---------- Rating: quiet inline strip, green ---------- */
.rate{--hl:var(--sec5-soft);padding:calc(var(--sec-gap)*.55) 0}
.rate .wrap{max-width:var(--prose);text-align:center}
.rate h2{font-size:clamp(1.35rem,2.6vw,1.7rem);margin-bottom:10px}
.stars{display:inline-flex;gap:4px;vertical-align:middle}
.stars button{border:0;background:none;padding:2px;cursor:pointer;color:#c9d8d2;transition:transform .15s}
.stars button:hover{transform:scale(1.18)}
.stars button.lit{color:var(--sec5)}
.rate-meta{display:inline-block;margin-left:12px;font-weight:600;color:var(--muted)}
.rate-meta b{color:var(--sec5);font-size:1.1em}
.rate-thanks{margin-top:8px;color:var(--sec5);font-weight:600;min-height:1.4em}

/* ---------- footer ---------- */
.site-foot{margin-top:var(--sec-gap);border-top:1px solid var(--line);background:var(--tint)}
.foot-row{display:flex;flex-wrap:wrap;gap:14px 30px;align-items:center;justify-content:space-between;max-width:var(--maxw);margin:0 auto;padding:30px var(--pad-x)}
.foot-row nav{display:flex;gap:22px;flex-wrap:wrap}
.foot-row a{color:var(--muted);text-decoration:none;font-size:.94rem}
.foot-row a:hover{color:var(--ink)}
.foot-copy{color:var(--muted);font-size:.88rem}

/* ---------- inner pages (about / privacy) ---------- */
.page-body{padding-top:clamp(36px,6vh,60px)}
.page-body .wrap{max-width:var(--prose)}
.crumbs{font-size:.88rem;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.page-body h1{--hl:var(--accent-soft);margin:0 0 20px}
.page-body h2{--hl:var(--accent-soft);font-size:1.35rem;margin:34px 0 10px}
.page-body p{color:#3b5254;margin:0 0 16px}
.updated{color:var(--muted);font-size:.9rem;font-style:italic}