/* ==========================================================================
   Social Hubs — geothermal pool design system
   Palette: volcanic charcoal base, steaming mineral turquoise, sulfur cream
   ========================================================================== */
:root{
  --abyss:#070F0E;
  --basalt:#0D1817;
  --rock:#132321;
  --rock-hi:#1B302D;
  --rock-edge:#25413D;
  --mineral:#43DCCB;
  --mineral-mid:#17A99C;
  --mineral-deep:#0B6A64;
  --steam:#DCEFEC;
  --mist:#93B3AF;
  --silt:#E8D6A6;
  --silt-deep:#B79A5C;
  --warn:#F0A08A;
  --display:'Comfortaa',system-ui,sans-serif;
  --body:'Karla',system-ui,-apple-system,sans-serif;
  --r-soft:26px;
  --shell:1160px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--abyss);color:var(--steam);
  font-family:var(--body);font-size:17px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--mineral);text-decoration-color:rgba(67,220,203,.4);text-underline-offset:3px}
a:hover{color:var(--steam)}
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.18;letter-spacing:-.01em;margin:0 0 .6em}
h1{font-size:clamp(2.1rem,5.2vw,3.5rem)}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
h3{font-size:1.14rem}
p{margin:0 0 1.1em}
.shell{width:min(100% - 2.4rem,var(--shell));margin-inline:auto}
.narrow{max-width:760px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:1rem;top:1rem;z-index:99;background:var(--mineral);color:var(--abyss);padding:.6rem 1rem;border-radius:12px}
:focus-visible{outline:2px solid var(--mineral);outline-offset:3px}

/* --- signature device 1: rising steam wisp texture ----------------------- */
.steam{position:relative;overflow:hidden;isolation:isolate}
.steam::before{
  content:"";position:absolute;inset:-20% -10% -10%;z-index:-1;pointer-events:none;
  background:
    radial-gradient(42% 58% at 12% 108%,rgba(67,220,203,.20),transparent 68%),
    radial-gradient(34% 50% at 38% 118%,rgba(220,239,236,.11),transparent 70%),
    radial-gradient(30% 62% at 66% 112%,rgba(23,169,156,.20),transparent 70%),
    radial-gradient(40% 46% at 88% 104%,rgba(232,214,166,.09),transparent 72%);
  filter:blur(6px);
  animation:rise 26s ease-in-out infinite alternate;
}
.steam::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(220,239,236,.035) 0 1px,transparent 1px 7px);
  mask-image:linear-gradient(180deg,transparent,#000 55%,transparent);
}
@keyframes rise{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(0,-5%,0) scale(1.08)}}
@media (prefers-reduced-motion:reduce){.steam::before{animation:none}}

/* --- signature device 2: mineral-rock card edge -------------------------- */
.rock-card{
  background:linear-gradient(168deg,var(--rock-hi),var(--rock) 62%);
  border:1px solid var(--rock-edge);
  border-radius:var(--r-soft) 8px var(--r-soft) 8px;
  padding:1.6rem 1.7rem;
  position:relative;
}
.rock-card::before{
  content:"";position:absolute;left:1.7rem;right:1.7rem;top:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,transparent,rgba(67,220,203,.65),transparent);
}
.rock-card h3{color:var(--steam)}

/* --- header -------------------------------------------------------------- */
.site-head{position:sticky;top:0;z-index:40;background:rgba(7,15,14,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--rock-edge)}
.head-inner{display:flex;align-items:center;gap:1rem;padding:.85rem 0;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:inherit;margin-right:auto}
.brand-mark{display:flex;align-items:flex-end;gap:3px;width:26px;height:26px}
.brand-mark span{display:block;width:5px;border-radius:99px;background:var(--mineral)}
.brand-mark span:nth-child(1){height:38%;background:var(--mineral-mid)}
.brand-mark span:nth-child(2){height:100%}
.brand-mark span:nth-child(3){height:62%;background:var(--silt)}
.brand-words strong{display:block;font-family:var(--display);font-size:1.12rem;letter-spacing:.01em}
.brand-words small{display:block;font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mist)}
.nav-toggle{position:absolute;opacity:0;pointer-events:none}
.nav-button{display:none;align-items:center;gap:.5rem;cursor:pointer;border:1px solid var(--rock-edge);border-radius:99px;padding:.45rem .95rem;font-size:.85rem;color:var(--steam)}
.nav-bars{position:relative;width:16px;height:2px;background:var(--mineral);border-radius:2px}
.nav-bars::before,.nav-bars::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--mineral);border-radius:2px}
.nav-bars::before{top:-5px}.nav-bars::after{top:5px}
.site-nav ul{display:flex;gap:.3rem;list-style:none;margin:0;padding:0}
.nav-link{display:block;padding:.45rem .8rem;border-radius:99px;font-size:.93rem;text-decoration:none;color:var(--steam)}
.nav-link:hover{background:var(--rock)}
.nav-link.is-current{background:rgba(67,220,203,.13);color:var(--mineral)}
.nav-age{display:none}
@media (max-width:860px){
  .nav-button{display:inline-flex}
  .site-nav{flex-basis:100%;display:none;padding:.4rem 0 .8rem}
  .nav-toggle:checked ~ .site-nav{display:block}
  .site-nav ul{flex-direction:column;gap:.15rem}
  .nav-link{padding:.65rem .9rem;border-radius:14px;background:var(--basalt)}
  .nav-age{display:block;margin:.7rem 0 0;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mist)}
}

/* --- hero ---------------------------------------------------------------- */
.hero{background:linear-gradient(180deg,var(--basalt),var(--abyss) 78%);border-bottom:1px solid var(--rock-edge)}
.hero-inner{display:grid;grid-template-columns:1.25fr .75fr;gap:2.5rem;align-items:center;padding:4.2rem 0 4.6rem}
.eyebrow{font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--silt);margin-bottom:1rem}
.lede{font-size:1.12rem;color:#C3DCD8;max-width:60ch}
.hero-actions{display:flex;gap:.7rem;flex-wrap:wrap;margin:1.6rem 0 1.1rem}
.hero-note{font-size:.86rem;color:var(--mist);margin:0}
.hero-media{margin:0;border-radius:18px;overflow:hidden;border:1px solid rgba(67,220,203,.22);
  background:var(--rock);box-shadow:0 18px 40px rgba(0,0,0,.35)}
.hero-media img{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;object-position:center;display:block}
@media (max-width:900px){.hero-inner{grid-template-columns:1fr;padding:3rem 0 3.4rem}.hero-media{order:-1;max-width:420px;margin-inline:auto}}

.page-hero{background:linear-gradient(180deg,var(--basalt),var(--abyss));border-bottom:1px solid var(--rock-edge);padding:3.6rem 0 3rem}
.page-hero h1{margin-bottom:.5rem}
.page-hero .lede{margin:0}

/* --- sections ------------------------------------------------------------ */
.section{padding:3.6rem 0}
.section-alt{background:var(--basalt);border-block:1px solid var(--rock-edge)}
.section-head{max-width:720px;margin-bottom:2rem}
.section-head p{color:var(--mist);margin:0}
.cards-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.2rem}
.plain-list{padding-left:1.1rem;color:#C3DCD8}
.plain-list li{margin-bottom:.6rem}
.legal h2{font-size:1.18rem;margin-top:2rem;color:var(--silt)}
.legal p{color:#C3DCD8}

/* --- buttons ------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.4rem;
  font-family:var(--display);font-weight:700;font-size:.95rem;
  padding:.72rem 1.35rem;border-radius:99px;cursor:pointer;
  border:1px solid var(--rock-edge);background:var(--rock-hi);color:var(--steam);
  text-decoration:none;transition:transform .15s ease,background .15s ease,border-color .15s ease;
}
.btn:hover:not(:disabled){transform:translateY(-1px);border-color:var(--mineral-mid);color:var(--steam)}
.btn:disabled{opacity:.38;cursor:not-allowed}
.btn-primary{background:linear-gradient(140deg,var(--mineral),var(--mineral-mid));color:#052220;border-color:transparent}
.btn-primary:hover:not(:disabled){color:#052220}
.btn-ghost{background:transparent}

/* --- the table ----------------------------------------------------------- */
.table-wrap{
  background:linear-gradient(170deg,var(--rock-hi),var(--basalt) 70%);
  border:1px solid var(--rock-edge);
  border-radius:var(--r-soft) 8px var(--r-soft) 8px;
  padding:1.5rem;
}
.table-head{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem;margin-bottom:1.3rem}
.meter{background:rgba(7,15,14,.55);border:1px solid var(--rock-edge);border-radius:18px 6px 18px 6px;padding:.7rem .95rem}
.meter-label{display:block;font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mist)}
.meter-value{font-family:var(--display);font-size:1.32rem;color:var(--mineral);display:block}
.meter-wide .meter-value{font-size:1rem;color:var(--silt);line-height:1.5;padding-top:.22rem}
@media (max-width:640px){.table-head{grid-template-columns:1fr 1fr}.meter-wide{grid-column:1/-1}}

.felt{
  background:radial-gradient(120% 90% at 50% 120%,rgba(23,169,156,.28),transparent 70%),linear-gradient(180deg,#0A1A19,#061211);
  border:1px solid rgba(67,220,203,.18);border-radius:22px;padding:1.4rem 1.1rem;
}
.seat-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin-bottom:.65rem}
.seat-head h3{margin:0;font-size:.82rem;letter-spacing:.2em;text-transform:uppercase;color:var(--mist)}
.score{font-family:var(--display);font-weight:700;font-size:1.18rem;color:var(--silt)}
.cards{display:flex;flex-wrap:wrap;gap:.6rem;min-height:116px;align-items:center}
.pool-line{height:1px;margin:1.3rem 0;background:linear-gradient(90deg,transparent,rgba(67,220,203,.45),transparent);position:relative}
.pool-line::after{content:"";position:absolute;left:50%;top:-5px;width:10px;height:10px;margin-left:-5px;border-radius:50%;background:var(--mineral);box-shadow:0 0 14px rgba(67,220,203,.8)}

.card{
  width:76px;height:108px;border-radius:14px 5px 14px 5px;
  background:linear-gradient(165deg,#F4FBFA,#D9E9E6);color:#0B1E1D;
  display:flex;flex-direction:column;justify-content:space-between;
  padding:.45rem .5rem;font-family:var(--display);font-weight:700;
  box-shadow:0 8px 18px rgba(0,0,0,.45);
  animation:flip .42s ease both;
}
.card .rank{font-size:1.18rem;line-height:1}
.card .suit{font-size:1.5rem;line-height:1;align-self:flex-end}
.card.red{color:#B4483B}
.card.hole{background:linear-gradient(160deg,#10302E,#07201F);border:1px solid rgba(67,220,203,.35);
  background-image:repeating-linear-gradient(135deg,rgba(67,220,203,.16) 0 4px,transparent 4px 9px)}
@keyframes flip{from{transform:rotateY(85deg) translateY(-14px);opacity:0}to{transform:none;opacity:1}}
@media (prefers-reduced-motion:reduce){.card{animation:none}}
@media (max-width:480px){.card{width:62px;height:90px}.card .rank{font-size:1rem}.card .suit{font-size:1.2rem}}

.callout{
  margin:1.2rem 0 0;padding:.9rem 1.1rem;border-radius:16px 5px 16px 5px;
  background:rgba(7,15,14,.55);border:1px solid var(--rock-edge);
  font-size:.95rem;color:#C3DCD8;
}
.callout.win{border-color:var(--mineral);color:var(--mineral);background:rgba(67,220,203,.1)}
.callout.lose{border-color:rgba(240,160,138,.55);color:var(--warn);background:rgba(240,160,138,.08)}
.callout.push{border-color:var(--silt-deep);color:var(--silt);background:rgba(232,214,166,.08)}

.controls{margin-top:1.2rem;display:flex;flex-direction:column;gap:1rem}
.chips{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}
.chips-label{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mist);margin-right:.2rem}
.chip{
  min-width:56px;height:56px;border-radius:50%;cursor:pointer;
  font-family:var(--display);font-weight:700;font-size:.95rem;
  background:radial-gradient(circle at 34% 30%,var(--rock-hi),var(--basalt));
  border:2px dashed rgba(67,220,203,.45);color:var(--steam);
  transition:transform .14s ease,border-color .14s ease;
}
.chip:hover:not(:disabled){transform:translateY(-2px);border-color:var(--mineral)}
.chip:disabled{opacity:.35;cursor:not-allowed}
.chip-clear{border-style:solid;border-color:var(--rock-edge);font-size:.78rem}
.actions{display:flex;gap:.6rem;flex-wrap:wrap}

.rules h2{color:var(--silt)}
.rules-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.4rem 2rem}
.rules-grid p{color:#C3DCD8;font-size:.95rem;margin:0}
.rules-foot{margin:1.6rem 0 0;padding-top:1rem;border-top:1px solid var(--rock-edge);font-size:.88rem;color:var(--mist)}

/* --- trust strip --------------------------------------------------------- */
.trust{background:linear-gradient(150deg,var(--rock),var(--basalt));border:1px solid var(--rock-edge);border-radius:var(--r-soft) 8px var(--r-soft) 8px;padding:2rem 1.9rem}
.trust h2{color:var(--silt)}
.trust-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:1.1rem}
.trust-list li{padding-left:1.1rem;border-left:2px solid var(--mineral-deep);color:#C3DCD8;font-size:.95rem}
.trust-list strong{color:var(--steam);font-family:var(--display)}

/* --- faq / contact ------------------------------------------------------- */
.faq{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.1rem}
.faq p{margin:0;color:#C3DCD8;font-size:.95rem}
.contact{margin-top:2rem}
.contact-line{font-family:var(--display);font-size:1.15rem;margin:.4rem 0}
.contact-small{font-size:.85rem;color:var(--mist);margin:0}

/* --- footer -------------------------------------------------------------- */
.site-foot{background:var(--basalt);border-top:1px solid var(--rock-edge);padding:3rem 0 2rem;margin-top:0}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem}
.foot-block h2{font-size:1.15rem;margin:.6rem 0 .5rem}
.foot-block h3{font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;color:var(--mist);font-family:var(--body);font-weight:700}
.foot-block p{font-size:.92rem;color:var(--mist)}
.foot-links{list-style:none;margin:0;padding:0}
.foot-links li{margin-bottom:.4rem}
.foot-links a{font-size:.93rem;text-decoration:none}
.foot-mark{height:22px;width:22px}
.foot-note{margin-top:2.2rem;padding-top:1.4rem;border-top:1px solid var(--rock-edge)}
.foot-note p{font-size:.85rem;color:var(--mist);max-width:88ch}
.age-badge{display:inline-block;font-family:var(--display);font-weight:700;font-size:.85rem;color:var(--abyss);background:var(--silt);border-radius:99px;padding:.15rem .8rem;margin-bottom:.8rem}
.copyright{margin:0}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr}}