/* =========================================================
   iStretch Plus — Modern High-End Design System
   Fire & Ice theme · Recovery / Stretching / Cold Plunge / Sauna
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root{
  --bg:#080b11;
  --bg-2:#0d121b;
  --surface:#121a25;
  --surface-2:#182231;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);

  --text:#eef3fa;
  --muted:#9fb0c4;
  --faint:#6d7d92;

  --ice:#38bdf8;
  --ice-deep:#0ea5e9;
  --ice-glow:rgba(56,189,248,.35);
  --fire:#fb8c3c;
  --fire-deep:#f97316;
  --fire-glow:rgba(251,140,60,.35);

  --grad-fireice:linear-gradient(100deg,#38bdf8 0%,#7dd3fc 22%,#f6f7fb 50%,#fdba74 78%,#fb8c3c 100%);
  --grad-ice:linear-gradient(135deg,#0ea5e9,#38bdf8);
  --grad-fire:linear-gradient(135deg,#f97316,#fbbf24);

  --radius:20px;
  --radius-sm:12px;
  --radius-lg:28px;
  --shadow:0 24px 60px -24px rgba(0,0,0,.7);
  --shadow-soft:0 12px 40px -18px rgba(0,0,0,.55);

  --maxw:1320px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-head:"Space Grotesk",system-ui,sans-serif;
  --font-body:"Inter",system-ui,sans-serif;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:600;line-height:1.1;letter-spacing:-.02em}
section{position:relative}

/* ---------- Layout Helpers ---------- */
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:110px 0}
.section-sm{padding:70px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-head);font-size:.78rem;font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;color:var(--muted);
  margin-bottom:20px;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--grad-fireice)}
.h-xl{font-size:clamp(2.4rem,6vw,4.4rem)}
.h-lg{font-size:clamp(2rem,4.4vw,3.2rem)}
.h-md{font-size:clamp(1.5rem,3vw,2.1rem)}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--muted);max-width:60ch}
.lead a{color:var(--ice);text-decoration:underline;text-underline-offset:3px;transition:color .2s}
.lead a:hover{color:#7dd3fc}
.text-grad{
  background:var(--grad-fireice);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.center{text-align:center}
.center .lead{margin-inline:auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-head);font-weight:600;font-size:.98rem;
  padding:15px 30px;border-radius:100px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn-primary{
  background:var(--grad-fire);color:#1a0e02;
  box-shadow:0 12px 34px -10px var(--fire-glow);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 44px -12px var(--fire-glow)}
.btn-ice{background:var(--grad-ice);color:#03151f;box-shadow:0 12px 34px -10px var(--ice-glow)}
.btn-ice:hover{transform:translateY(-3px);box-shadow:0 20px 44px -12px var(--ice-glow)}
.btn-ghost{
  border:1px solid var(--line-strong);color:var(--text);background:rgba(255,255,255,.02);
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{border-color:var(--ice);transform:translateY(-3px);background:rgba(56,189,248,.08)}
.btn-lg{padding:18px 38px;font-size:1.05rem}

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .4s,backdrop-filter .4s,border-color .4s,padding .4s;
  border-bottom:1px solid transparent;padding:18px 0;
}
.site-header.scrolled{
  background:rgba(8,11,17,.82);backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--line);padding:12px 0;
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-head);font-weight:700;font-size:1.25rem;letter-spacing:-.01em}
.brand .mark{
  width:40px;height:40px;border-radius:12px;flex:none;
  background:var(--grad-fireice);display:grid;place-items:center;color:#04121c;
  font-weight:800;font-size:1.05rem;box-shadow:0 8px 22px -8px var(--ice-glow);
}
.brand b{color:var(--text)}
.brand span{color:var(--ice)}
.brand-logo{height:54px;width:auto;display:block;transition:height .4s var(--ease)}
.site-header.scrolled .brand-logo{height:44px}
.footer-logo{height:62px}
.nav-login{gap:8px}
.nav-login svg{width:17px;height:17px}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  font-family:var(--font-head);font-weight:500;font-size:.95rem;color:var(--muted);
  padding:9px 13px;border-radius:100px;transition:color .25s,background .25s;white-space:nowrap;
}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(255,255,255,.06)}
.mobile-only{display:none}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center}
.nav-toggle span{position:relative;width:20px;height:2px;background:var(--text);border-radius:2px;transition:.3s}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--text);border-radius:2px;transition:.3s}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.open span::after{top:0;transform:rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding-top:120px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.62;filter:saturate(1.08) brightness(1.06)}
.hero-bg::after{content:"";position:absolute;inset:0;background:
  radial-gradient(90% 70% at 15% 20%,rgba(56,189,248,.14),transparent 55%),
  radial-gradient(80% 70% at 90% 90%,rgba(251,140,60,.14),transparent 55%),
  linear-gradient(90deg,rgba(8,11,17,.8) 0%,rgba(8,11,17,.42) 48%,rgba(8,11,17,.12) 100%),
  linear-gradient(180deg,transparent 52%,var(--bg) 99%);}
.hero-inner{max-width:860px}
.hero h1{margin:8px 0 22px}
.hero .lead{font-size:clamp(1.1rem,1.8vw,1.35rem);margin-bottom:36px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px}
.hero-stats{display:flex;flex-wrap:wrap;gap:38px;margin-top:56px;padding-top:34px;border-top:1px solid var(--line)}
.hero-stats .stat b{font-family:var(--font-head);font-size:2rem;display:block;line-height:1}
.hero-stats .stat span{font-size:.85rem;color:var(--muted);letter-spacing:.04em}

.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.pill{
  display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:500;
  padding:8px 15px;border-radius:100px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--muted);
}
.pill i{width:7px;height:7px;border-radius:50%;background:var(--ice)}
.pill.fire i{background:var(--fire)}
a.pill{transition:transform .25s var(--ease),border-color .25s,background .25s,color .25s}
a.pill:hover{color:var(--text);border-color:var(--ice);background:rgba(56,189,248,.1);transform:translateY(-2px)}
a.pill.fire:hover{border-color:var(--fire);background:rgba(251,140,60,.1)}

/* ---------- Marquee ---------- */
.marquee{border-block:1px solid var(--line);background:var(--bg-2);overflow:hidden;padding:22px 0}
.marquee-track{display:flex;gap:56px;white-space:nowrap;width:max-content;animation:scroll 32s linear infinite}
.marquee-track span{font-family:var(--font-head);font-size:1.05rem;font-weight:500;color:var(--faint);display:inline-flex;align-items:center;gap:56px}
.marquee-track span::after{content:"◆";color:var(--ice);font-size:.7rem}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ---------- Services grid ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:56px}
.svc-card{
  position:relative;border-radius:var(--radius);overflow:hidden;min-height:360px;
  display:flex;flex-direction:column;justify-content:flex-end;padding:22px;
  border:1px solid var(--line);isolation:isolate;
  transition:transform .4s var(--ease),border-color .4s;
}
.svc-card:hover{transform:translateY(-6px);border-color:var(--line-strong)}
.svc-card .svc-img{position:absolute;inset:0;z-index:-2}
.svc-card .svc-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.svc-card:hover .svc-img img{transform:scale(1.07)}
.svc-card::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(8,11,17,0) 0%,rgba(8,11,17,.28) 45%,rgba(8,11,17,.9) 100%)}
.svc-card .svc-ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-size:1.25rem;margin-bottom:auto;background:rgba(8,11,17,.5);border:1px solid var(--line-strong);
  backdrop-filter:blur(6px);
}
.svc-card h3{font-size:1.22rem;margin:14px 0 7px}
.svc-card p{color:var(--muted);font-size:.9rem;margin-bottom:14px}
.svc-card .more{font-family:var(--font-head);font-weight:600;font-size:.9rem;color:var(--ice);display:inline-flex;gap:7px;align-items:center;transition:gap .3s}
.svc-card.fire .more{color:var(--fire)}
@media(max-width:1000px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.svc-grid{grid-template-columns:1fr}}
.svc-card:hover .more{gap:12px}

/* ---------- Feature / split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.rev .split-media{order:2}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:4/3}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-media .tag{position:absolute;left:18px;bottom:18px;background:rgba(8,11,17,.7);backdrop-filter:blur(8px);border:1px solid var(--line-strong);padding:9px 16px;border-radius:100px;font-size:.82rem;font-family:var(--font-head);font-weight:600}
.feature-list{list-style:none;margin-top:26px;display:grid;gap:14px}
.feature-list li{display:flex;gap:14px;align-items:flex-start;color:var(--muted)}
.feature-list li b{color:var(--text);font-weight:600}
.feature-list .ck{flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:rgba(56,189,248,.12);color:var(--ice);border:1px solid rgba(56,189,248,.25);font-size:.8rem;margin-top:2px}
.split.fire .feature-list .ck{background:rgba(251,140,60,.12);color:var(--fire);border-color:rgba(251,140,60,.25)}

/* ---------- Benefit chips ---------- */
.benefits{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:44px}
.benefit{
  padding:26px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:linear-gradient(180deg,var(--surface),var(--bg-2));transition:transform .35s var(--ease),border-color .35s;
}
.benefit:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.benefit .n{font-family:var(--font-head);font-size:.85rem;color:var(--ice);font-weight:600}
.benefit h4{font-size:1.12rem;margin:10px 0 8px}
.benefit p{font-size:.9rem;color:var(--muted)}

/* ---------- Stats band ---------- */
.band{background:linear-gradient(120deg,rgba(56,189,248,.10),rgba(251,140,60,.10));border-block:1px solid var(--line)}
.band .stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:30px;text-align:center}
.band .stat b{font-family:var(--font-head);font-size:clamp(2.2rem,4vw,3rem);display:block;line-height:1}
.band .stat span{color:var(--muted);font-size:.9rem}

/* ---------- Video gallery ---------- */
.video-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;margin-top:50px}
.video-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--surface);transition:transform .4s var(--ease),border-color .4s}
.video-card:hover{transform:translateY(-5px);border-color:var(--line-strong)}
.video-embed{position:relative;aspect-ratio:16/9;background:#000}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-card .vc-cap{padding:18px 20px;display:flex;align-items:center;gap:10px}
.video-card .vc-cap .yt{flex:none;width:30px;height:22px;border-radius:6px;background:#ff0000;display:grid;place-items:center}
.video-card .vc-cap .yt::after{content:"";border-left:8px solid #fff;border-top:5px solid transparent;border-bottom:5px solid transparent;margin-left:2px}
.video-card .vc-cap h4{font-size:.98rem;line-height:1.3}

/* ---------- Reviews ---------- */
.reviews{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;margin-top:50px}
.review{padding:30px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column;gap:16px}
.review .stars{color:#fbbf24;letter-spacing:2px}
.review p{color:var(--text);font-size:1.02rem}
.review .who{display:flex;align-items:center;gap:12px;margin-top:auto}
.review .av{width:42px;height:42px;border-radius:50%;background:var(--grad-fireice);display:grid;place-items:center;color:#04121c;font-weight:700;font-family:var(--font-head)}
.review .who small{display:block;color:var(--faint)}

/* ---------- CTA banner ---------- */
.cta-banner{position:relative;border-radius:var(--radius-lg);overflow:hidden;padding:72px 40px;text-align:center;border:1px solid var(--line-strong)}
.cta-banner::before{content:"";position:absolute;inset:0;z-index:-1;background:
  radial-gradient(70% 120% at 20% 0%,rgba(56,189,248,.28),transparent 60%),
  radial-gradient(70% 120% at 90% 100%,rgba(251,140,60,.30),transparent 60%),var(--surface)}
.cta-banner h2{margin-bottom:14px}
.cta-banner .btnrow{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:30px}

/* ---------- Two-col cards (gift/membership) ---------- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:50px}
.duo-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--surface);position:relative}
.duo-card .im{aspect-ratio:16/9;overflow:hidden}
.duo-card .im img{width:100%;height:100%;object-fit:cover}
.duo-card .bd{padding:28px}
.duo-card h3{font-size:1.4rem;margin-bottom:8px}
.duo-card p{color:var(--muted);margin-bottom:18px}

/* ---------- Contact / map ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:stretch}
.contact-info{display:grid;gap:18px;align-content:start}
.info-row{display:flex;gap:16px;align-items:flex-start;padding:20px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface)}
.info-row .ic{width:44px;height:44px;flex:none;border-radius:12px;display:grid;place-items:center;background:rgba(56,189,248,.1);color:var(--ice);border:1px solid rgba(56,189,248,.2)}
.info-row h4{font-size:1rem;margin-bottom:3px}
.info-row a,.info-row p{color:var(--muted);font-size:.95rem}
.info-row a:hover{color:var(--ice)}
.map-wrap{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);min-height:420px}
.map-wrap iframe{width:100%;height:100%;min-height:420px;border:0;filter:saturate(1.05) contrast(1.02)}

/* ---------- Booking iframes ---------- */
.book-frame{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface);box-shadow:var(--shadow-soft)}
.book-frame .bar{display:flex;align-items:center;gap:10px;padding:14px 20px;border-bottom:1px solid var(--line);background:var(--bg-2)}
.book-frame .bar .dot{width:10px;height:10px;border-radius:50%;background:var(--fire)}
.book-frame .bar .dot:nth-child(2){background:#fbbf24}.book-frame .bar .dot:nth-child(3){background:var(--ice)}
.book-frame .bar span{margin-left:8px;font-family:var(--font-head);font-size:.9rem;color:var(--muted)}
.book-frame iframe{width:100%;min-height:760px;border:0;background:#fff}
.book-fallback{padding:22px;text-align:center;color:var(--muted);font-size:.92rem}

/* ---------- Page hero (interior) ---------- */
.page-hero{position:relative;padding:180px 0 90px;overflow:hidden}
.page-hero .hero-bg img{opacity:.55}
.page-hero .crumbs{font-size:.85rem;color:var(--faint);margin-bottom:16px;font-family:var(--font-head)}
.page-hero .crumbs a:hover{color:var(--ice)}
.page-hero h1{max-width:16ch;margin-bottom:18px}
.page-hero .lead{max-width:58ch}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:44px auto 0}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:14px;overflow:hidden;background:var(--surface)}
.faq-q{width:100%;text-align:left;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 24px;font-family:var(--font-head);font-weight:600;font-size:1.05rem}
.faq-q .pm{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-strong);display:grid;place-items:center;transition:.3s}
.faq-item.open .faq-q .pm{transform:rotate(45deg);background:var(--ice);color:#04121c;border-color:var(--ice)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq-a p{padding:0 24px 24px;color:var(--muted)}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:72px 0 34px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-grid h5{font-family:var(--font-head);font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin-bottom:18px}
.footer-grid a{display:block;color:var(--muted);padding:6px 0;font-size:.95rem;transition:color .2s}
.footer-grid a:hover{color:var(--ice)}
.footer-about p{color:var(--muted);margin:16px 0 20px;font-size:.95rem;max-width:34ch}
.socials{display:flex;gap:12px}
.socials a{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;color:var(--muted);transition:.3s}
.socials a:hover{color:var(--text);border-color:var(--ice);transform:translateY(-3px)}
.footer-areas{margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.footer-areas h5{font-family:var(--font-head);font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin-bottom:14px}
.footer-areas a{color:var(--muted);font-size:.92rem;margin-right:20px;display:inline-block;padding:4px 0;transition:color .2s}
.footer-areas a:hover{color:var(--ice)}
.footer-bottom{margin-top:44px;padding-top:26px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;color:var(--faint);font-size:.86rem}
.footer-bottom a:hover{color:var(--ice)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- Floating book button (mobile) ---------- */
.float-book{position:fixed;bottom:20px;right:20px;z-index:90;display:none;box-shadow:0 14px 40px -10px var(--fire-glow)}

/* ---------- Responsive ---------- */
/* Nav collapses to the menu button before the links can cramp */
@media(max-width:1080px){
  .nav-links,.nav-cta .btn:not(.nav-book),.nav-login{display:none}
  .nav-toggle{display:flex}
  .brand-logo{height:46px}
  .nav-book{padding:12px 18px;font-size:.9rem}
  .nav-links.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    background:rgba(8,11,17,.97);backdrop-filter:blur(16px);border-block:1px solid var(--line);padding:18px 24px;gap:4px}
  .nav-links.open a{width:100%;padding:14px 16px}
  .nav-links.open .mobile-only{display:block;margin-top:4px}
  .nav-links.open .mobile-login{color:var(--ice);border-top:1px solid var(--line);margin-top:12px;padding-top:16px}
  .float-book{display:inline-flex}
}
@media(max-width:560px){
  .nav-book{display:none}          /* declutter top bar — floating Book button covers this */
}
@media(max-width:960px){
  .split,.contact-grid{grid-template-columns:1fr;gap:34px}
  .split.rev .split-media{order:0}
  .duo{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:560px){
  .section{padding:76px 0}
  .hero-stats{gap:24px}
  .footer-grid{grid-template-columns:1fr}
  .cta-banner{padding:48px 22px}
  .btn{padding:14px 24px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}