:root{
  --fit-black:#0d0d0d;
  --fit-charcoal:#1a1a1a;
  --fit-panel:#181818;
  --fit-line:#2c2c2c;
  --fit-lime:#c6ff2e;
  --fit-orange:#ff5b1e;
  --fit-white:#f5f5f5;
  --fit-grey:#9a9a9a;
  --font-display:'Oswald',sans-serif;
  --font-sans:'Noto Sans TC',sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--font-sans);color:var(--fit-white);background:var(--fit-black);line-height:1.7;}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
.container{max-width:1140px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.center{text-align:center;}
.section-eyebrow{font-family:var(--font-display);letter-spacing:.18em;text-transform:uppercase;font-size:.82rem;color:var(--fit-lime);font-weight:600;margin:0 0 10px;}
.section h2{font-family:var(--font-display);font-size:2.4rem;text-transform:uppercase;margin:0 0 28px;color:#fff;letter-spacing:.02em;}

/* Navbar */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(13,13,13,.9);backdrop-filter:blur(6px);border-bottom:1px solid var(--fit-line);}
.nav-inner{max-width:1140px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;}
.nav-brand{font-family:var(--font-display);font-weight:700;font-size:1.3rem;color:var(--fit-lime);text-transform:uppercase;letter-spacing:.05em;}
.nav-brand span{font-family:var(--font-sans);font-weight:500;font-size:.85rem;color:#fff;margin-left:8px;letter-spacing:0;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{font-size:.92rem;font-weight:500;color:#e8e8e8;transition:color .2s;}
.nav-links a:hover{color:var(--fit-lime);}
.nav-cta{background:var(--fit-lime);color:#0d0d0d !important;padding:9px 22px;border-radius:4px;font-weight:700;}
.nav-cta:hover{background:var(--fit-orange);color:#fff !important;}
.nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
.nav-burger span{width:24px;height:2px;background:#fff;}

/* Hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;color:#fff;}
.hero-slides{position:absolute;inset:0;}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.4s ease;filter:grayscale(.2);}
.hero-slide.is-active{opacity:1;}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,13,13,.6) 0%,rgba(13,13,13,.55) 45%,rgba(13,13,13,.9) 100%);}
.hero-content{position:relative;z-index:2;text-align:center;max-width:800px;padding:0 24px;}
.hero-eyebrow{letter-spacing:.22em;font-size:.85rem;text-transform:uppercase;color:var(--fit-lime);margin-bottom:18px;font-family:var(--font-display);font-weight:600;}
.hero-content h1{font-family:var(--font-display);font-size:3.4rem;line-height:1.25;margin:0 0 22px;text-transform:uppercase;letter-spacing:.01em;}
.hero-content h1 .accent{color:var(--fit-lime);}
.hero-desc{font-size:1.05rem;margin-bottom:34px;color:#d4d4d4;}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.btn{display:inline-block;padding:14px 32px;border-radius:4px;font-weight:700;font-size:.95rem;transition:all .25s;border:2px solid transparent;text-transform:uppercase;letter-spacing:.04em;font-family:var(--font-display);}
.btn-primary{background:var(--fit-lime);color:#0d0d0d;}
.btn-primary:hover{background:var(--fit-orange);color:#fff;transform:translateY(-2px);}
.btn-outline{border-color:#fff;color:#fff;}
.btn-outline:hover{background:#fff;color:var(--fit-black);}
.hero-dots{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:2;}
.hero-dots span{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.35);cursor:pointer;transition:background .3s;}
.hero-dots span.is-active{background:var(--fit-lime);}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.about-media{position:relative;}
.about-img-main{border-radius:6px;width:100%;height:460px;object-fit:cover;filter:grayscale(.15);}
.about-img-sub{position:absolute;bottom:-40px;right:-30px;width:52%;border-radius:6px;border:6px solid var(--fit-black);box-shadow:0 14px 34px rgba(0,0,0,.5);filter:grayscale(.15);}
.about-copy p{color:var(--fit-grey);}
.about-stats{display:flex;gap:36px;margin-top:32px;}
.stat strong{display:block;font-family:var(--font-display);font-size:2.2rem;color:var(--fit-lime);}
.stat span{font-size:.85rem;color:var(--fit-grey);}

/* Menu */
.menu{background:var(--fit-charcoal);}
.menu-tabs{display:flex;justify-content:center;gap:12px;margin-bottom:40px;flex-wrap:wrap;}
.menu-tab{background:var(--fit-panel);border:1px solid var(--fit-line);padding:10px 26px;border-radius:4px;font-weight:700;cursor:pointer;color:#fff;transition:all .2s;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.03em;}
.menu-tab.is-active,.menu-tab:hover{background:var(--fit-lime);color:#0d0d0d;border-color:var(--fit-lime);}
.menu-panel{display:none;}
.menu-panel.is-active{display:block;}
.menu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:36px;}
.menu-item{background:var(--fit-panel);border:1px solid var(--fit-line);border-radius:6px;overflow:hidden;}
.menu-item img{width:100%;height:180px;object-fit:cover;filter:grayscale(.2);}
.menu-item-body{padding:18px 20px;}
.menu-item-body h4{margin:0 0 8px;display:flex;justify-content:space-between;font-size:1.05rem;font-family:var(--font-display);text-transform:uppercase;}
.menu-item-body h4 span{color:var(--fit-lime);}
.menu-item-body p{margin:0;font-size:.88rem;color:var(--fit-grey);}
.price-list{max-width:640px;margin:0 auto;background:var(--fit-panel);border:1px solid var(--fit-line);border-radius:6px;padding:8px 30px;}
.price-row{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px dashed var(--fit-line);font-weight:500;}
.price-row:last-child{border-bottom:none;}
.price-row span:last-child{color:var(--fit-lime);font-weight:700;}

/* Gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.gallery-grid img{width:100%;border-radius:6px;height:280px;object-fit:cover;filter:grayscale(.25);transition:transform .4s,filter .4s;cursor:zoom-in;}
.gallery-grid img:hover{transform:scale(1.03);filter:grayscale(0);}

/* Lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.94);display:flex;align-items:center;justify-content:center;z-index:200;opacity:0;visibility:hidden;transition:opacity .25s;padding:40px;}
.lightbox.is-open{opacity:1;visibility:visible;}
.lightbox img{max-width:90vw;max-height:85vh;border-radius:6px;box-shadow:0 20px 60px rgba(0,0,0,.6);filter:none;}
.lightbox-close{position:absolute;top:24px;right:32px;width:44px;height:44px;border-radius:4px;background:rgba(255,255,255,.1);color:var(--fit-lime);border:1px solid var(--fit-line);font-size:1.4rem;cursor:pointer;display:flex;align-items:center;justify-content:center;}
.lightbox-close:hover{background:rgba(255,255,255,.18);}

/* Team */
.team{background:var(--fit-charcoal);}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.team-card{text-align:center;}
.team-photo{border-radius:6px;overflow:hidden;margin-bottom:18px;border:1px solid var(--fit-line);}
.team-photo img{width:100%;height:340px;object-fit:cover;filter:grayscale(.2);}
.team-card h4{margin:0 0 4px;font-family:var(--font-display);font-size:1.3rem;text-transform:uppercase;color:#fff;}
.team-card p{margin:0;color:var(--fit-lime);font-weight:600;font-size:.9rem;}

/* FAQ */
.faq-list{max-width:760px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--fit-line);}
.faq-q{width:100%;background:none;border:none;text-align:left;padding:20px 0;font-size:1.05rem;font-weight:700;display:flex;justify-content:space-between;cursor:pointer;color:#fff;}
.faq-q span{color:var(--fit-lime);font-size:1.3rem;transition:transform .3s;}
.faq-item.is-active .faq-q span{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.is-active .faq-a{max-height:200px;}
.faq-a p{margin:0 0 20px;color:var(--fit-grey);}

/* Booking */
.booking{background:var(--fit-panel);}
.booking-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;}
.booking-info p{color:var(--fit-grey);}
.booking-meta{list-style:none;padding:0;margin-top:28px;}
.booking-meta li{padding:10px 0;border-top:1px solid var(--fit-line);color:var(--fit-grey);}
.booking-meta strong{display:inline-block;width:90px;color:#fff;}
.booking-form{background:#0f0f0f;border:1px solid var(--fit-line);border-radius:8px;padding:36px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
.form-row label,.form-full{display:flex;flex-direction:column;font-size:.85rem;font-weight:700;gap:6px;color:var(--fit-grey);}
.form-full{margin-bottom:20px;}
input,select,textarea{font-family:var(--font-sans);padding:11px 14px;background:#181818;border:1px solid var(--fit-line);border-radius:4px;font-size:.95rem;color:#fff;}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--fit-lime);}
.form-submit{width:100%;border:none;cursor:pointer;font-size:1rem;}
.form-status{text-align:center;margin-top:14px;font-weight:600;min-height:1.2em;}

/* Footer */
.footer{background:#000;color:var(--fit-grey);padding:56px 0 24px;border-top:1px solid var(--fit-line);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;}
.footer-brand{font-family:var(--font-display);font-size:1.4rem;color:var(--fit-lime);margin:0 0 8px;text-transform:uppercase;}
.footer h5{color:#fff;margin:0 0 14px;font-size:.95rem;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.04em;}
.footer-grid a,.footer-grid p{display:block;margin-bottom:8px;font-size:.9rem;color:var(--fit-grey);}
.footer-grid a:hover{color:var(--fit-lime);}
.footer-copy{text-align:center;margin:36px 0 0;font-size:.8rem;color:#555;}

/* Back to top */
.back-to-top{position:fixed;bottom:28px;right:28px;width:46px;height:46px;border-radius:4px;background:var(--fit-lime);color:#0d0d0d;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700;opacity:0;visibility:hidden;transition:all .3s;z-index:90;}
.back-to-top.is-visible{opacity:1;visibility:visible;}
.back-to-top:hover{background:var(--fit-orange);color:#fff;transform:translateY(-3px);}

@media(max-width:900px){
  .about-grid,.booking-grid{grid-template-columns:1fr;}
  .menu-grid,.gallery-grid,.team-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .nav-links{position:fixed;top:64px;left:0;right:0;background:var(--fit-black);flex-direction:column;padding:20px;gap:16px;transform:translateY(-140%);transition:transform .3s;border-bottom:1px solid var(--fit-line);}
  .nav-links.is-open{transform:translateY(0);}
  .nav-burger{display:flex;}
  .hero-content h1{font-size:2.3rem;}
  .about-img-sub{display:none;}
  .form-row{grid-template-columns:1fr;}
}
@media(max-width:600px){
  .menu-grid,.gallery-grid,.team-grid{grid-template-columns:1fr;}
}