/* GymZephyr shared design system — linked by subpages */
:root{
  --obsidian:#070708;
  --ink:#0d0d0f;
  --white:#f5f5f3;
  --volt:#ccff00;
  --grey:#8a8a8f;
  --line:rgba(245,245,243,.12);
  --ease:cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--obsidian);color:var(--white);
  font-family:'Space Grotesk',sans-serif;font-weight:300;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
::selection{background:var(--volt);color:#000}
h1,h2,h3{font-family:'Anton',sans-serif;font-weight:400;text-transform:uppercase;line-height:.95;letter-spacing:.01em}
a{color:inherit;text-decoration:none}
img{display:block}
button{font-family:'Space Grotesk',sans-serif}

/* NAV */
nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:1.6rem 3rem;
  transition:background .5s var(--ease),padding .5s var(--ease),border-color .5s;
  border-bottom:1px solid transparent;
}
nav.scrolled{
  background:rgba(7,7,8,.82);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  padding:1rem 3rem;border-bottom:1px solid var(--line);
}
.logo{display:flex;align-items:center;gap:.7rem}
.logo .mark{height:30px;width:auto;color:var(--white);transition:transform .5s var(--ease)}
.logo:hover .mark{transform:translateX(4px)}
.logo-word{font-family:'Anton',sans-serif;font-size:1.15rem;letter-spacing:.14em;text-transform:uppercase}
.logo-word em{font-style:normal;color:var(--volt)}
.nav-links{display:flex;gap:2.6rem;list-style:none}
.nav-links a{
  font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;font-weight:500;
  position:relative;padding:.3rem 0;
}
.nav-links a::after{
  content:'';position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--volt);transform:scaleX(0);transform-origin:right;
  transition:transform .45s var(--ease);
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);transform-origin:left}
.nav-links a.active{color:var(--volt)}
.nav-right{display:flex;align-items:center;gap:1.8rem}
.cart{position:relative;cursor:pointer;display:flex}
.cart svg{width:21px;height:21px;stroke:var(--white);transition:stroke .3s}
.cart:hover svg{stroke:var(--volt)}
.cart-dot{position:absolute;top:-4px;right:-6px;width:8px;height:8px;border-radius:50%;background:var(--volt)}
.burger{display:none;background:none;border:0;cursor:pointer;width:30px;height:22px;position:relative;z-index:102}
.burger span{position:absolute;left:0;width:100%;height:2px;background:var(--white);transition:transform .45s var(--ease),top .45s var(--ease),background .3s}
.burger span:first-child{top:4px}
.burger span:last-child{top:16px}
body.menu-open .burger span:first-child{top:10px;transform:rotate(45deg);background:var(--volt)}
body.menu-open .burger span:last-child{top:10px;transform:rotate(-45deg);background:var(--volt)}
.mobile-menu{
  position:fixed;inset:0;z-index:101;background:var(--obsidian);
  display:flex;align-items:center;padding:0 2rem;
  clip-path:inset(0 0 100% 0);transition:clip-path .65s var(--ease);
}
body.menu-open .mobile-menu{clip-path:inset(0)}
body.menu-open{overflow:hidden}
.mobile-menu ul{list-style:none}
.mobile-menu li{opacity:0;transform:translateY(44px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
body.menu-open .mobile-menu li{opacity:1;transform:none}
body.menu-open .mobile-menu li:nth-child(1){transition-delay:.28s}
body.menu-open .mobile-menu li:nth-child(2){transition-delay:.36s}
body.menu-open .mobile-menu li:nth-child(3){transition-delay:.44s}
body.menu-open .mobile-menu li:nth-child(4){transition-delay:.52s}
.mobile-menu a{
  font-family:'Anton',sans-serif;font-size:clamp(3rem,12vw,5rem);
  text-transform:uppercase;line-height:1.15;display:flex;align-items:baseline;gap:1.2rem;transition:color .3s;
}
.mobile-menu a:hover,.mobile-menu a.active{color:var(--volt)}
.mobile-menu a i{font-style:normal;font-family:'Space Grotesk',sans-serif;font-size:.75rem;letter-spacing:.3em;color:var(--volt)}

/* BUTTONS */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  font-weight:600;font-size:.74rem;letter-spacing:.3em;text-transform:uppercase;
  padding:1.15rem 2.9rem;cursor:pointer;overflow:hidden;border:0;
  transition:color .45s var(--ease);isolation:isolate;
}
.btn::before{content:'';position:absolute;inset:0;z-index:-1;transform:translateY(101%);transition:transform .5s var(--ease)}
.btn:hover::before{transform:translateY(0)}
.btn-volt{background:var(--volt);color:#000}
.btn-volt::before{background:var(--white)}
.btn-black{background:#000;color:var(--volt)}
.btn-black::before{background:var(--white)}
.btn-black:hover{color:#000}
.btn-ghost{border:1px solid rgba(245,245,243,.45);color:var(--white);background:transparent}
.btn-ghost::before{background:var(--white)}
.btn-ghost:hover{color:#000;border-color:var(--white)}

/* PAGE HERO */
.c-hero{position:relative;height:72vh;min-height:480px;overflow:hidden;display:flex;align-items:flex-end}
.c-hero-media{position:absolute;inset:0;will-change:transform}
.c-hero-media img{
  width:100%;height:100%;object-fit:cover;object-position:center 35%;
  filter:grayscale(40%) contrast(1.12) brightness(.6);
  animation:heroZoom 12s var(--ease) forwards;
}
@keyframes heroZoom{from{transform:scale(1.1)}to{transform:scale(1)}}
.c-hero-media::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,7,8,.5) 0%,rgba(7,7,8,.08) 40%,var(--obsidian) 100%);
}
.c-hero-inner{position:relative;z-index:2;padding:0 3rem 4rem;width:100%}
.crumb{
  font-size:.66rem;letter-spacing:.4em;text-transform:uppercase;color:var(--grey);
  margin-bottom:1.2rem;display:flex;gap:.8rem;flex-wrap:wrap;
}
.crumb a:hover{color:var(--volt)}
.crumb b{color:var(--volt);font-weight:500}
.c-hero h1{font-size:clamp(4rem,13vw,12rem);margin-left:-.04em}
.c-hero h1 .line{display:block;overflow:hidden}
.c-hero h1 .line>span{display:inline-block;transform:translateY(110%);animation:lineUp 1.1s var(--ease) forwards}
@keyframes lineUp{to{transform:none}}
.c-hero h1 em{font-style:normal;color:transparent;-webkit-text-stroke:2px var(--volt)}
.c-hero-sub{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;flex-wrap:wrap;margin-top:1.6rem}
.c-hero-sub p{max-width:48ch;color:#c9c9c9;font-size:.92rem;line-height:1.7}

/* SHARED BITS */
.section-label{
  font-size:.68rem;letter-spacing:.45em;text-transform:uppercase;color:var(--grey);
  font-weight:500;display:flex;align-items:center;gap:1rem;margin-bottom:2rem;
}
.section-label b{color:var(--volt);font-weight:600}
.reveal{opacity:0;transform:translateY(48px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}
.ghost{
  position:absolute;
  font-family:'Anton',sans-serif;font-size:clamp(5rem,14vw,13rem);
  text-transform:uppercase;line-height:1;white-space:nowrap;
  color:transparent;-webkit-text-stroke:1px rgba(245,245,243,.07);
  pointer-events:none;user-select:none;will-change:transform;
}

/* VOLT CTA BLOCK */
.hook{background:var(--volt);color:#000;padding:7rem 3rem;position:relative;overflow:hidden}
.hook-inner{max-width:1480px;margin:0 auto;position:relative;z-index:2}
.hook .section-label{color:rgba(0,0,0,.55)}
.hook .section-label b{color:#000}
.hook h2{font-size:clamp(2.6rem,7vw,7rem);max-width:14ch}
.hook-row{display:flex;justify-content:space-between;align-items:flex-end;gap:3rem;margin-top:3rem;flex-wrap:wrap}
.hook-row p{font-size:.95rem;font-weight:500;max-width:40ch;line-height:1.65}
.hook-ghost{
  position:absolute;bottom:-.18em;right:-1rem;
  font-family:'Anton',sans-serif;font-size:clamp(5rem,15vw,14rem);text-transform:uppercase;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px rgba(0,0,0,.15);
  pointer-events:none;user-select:none;white-space:nowrap;will-change:transform;
}

/* TOAST */
.toast{
  position:fixed;left:50%;bottom:2rem;z-index:200;
  transform:translate(-50%,250%);transition:transform .55s var(--ease);
  background:var(--white);color:#000;display:flex;align-items:center;gap:1rem;
  padding:1rem 1.6rem;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;font-weight:600;
  pointer-events:none;white-space:nowrap;
}
.toast.show{transform:translate(-50%,0)}
.toast::before{content:'';width:8px;height:8px;background:var(--volt);border-radius:50%}

/* FOOTER */
footer{padding:5rem 3rem 2.5rem;border-top:1px solid var(--line)}
.foot-grid{max-width:1480px;margin:0 auto 4.5rem;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem}
.foot-grid h4{font-size:.66rem;letter-spacing:.34em;text-transform:uppercase;color:var(--grey);font-weight:600;margin-bottom:1.4rem}
.foot-grid ul{list-style:none}
.foot-grid li{margin-bottom:.7rem}
.foot-grid li a{font-size:.85rem;color:#c9c9c9;transition:color .3s}
.foot-grid li a:hover{color:var(--volt)}
.foot-brand .brand-row{display:flex;align-items:center;gap:.8rem}
.foot-brand .mark{height:38px;width:auto;color:var(--white)}
.foot-brand .logo-word{font-size:1.5rem}
.foot-brand p{color:var(--grey);font-size:.82rem;line-height:1.7;max-width:30ch;margin-top:1rem}
.foot-bottom{
  max-width:1480px;margin:0 auto;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  padding-top:2rem;border-top:1px solid var(--line);
  font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--grey);
}

/* CURSOR */
.cursor,.cursor-ring{position:fixed;top:0;left:0;border-radius:50%;pointer-events:none;z-index:999;transform:translate(-50%,-50%)}
.cursor{width:8px;height:8px;background:var(--volt)}
.cursor-ring{width:36px;height:36px;border:1px solid rgba(204,255,0,.45);transition:width .35s var(--ease),height .35s var(--ease),border-color .3s}
body.cursor-hover .cursor-ring{width:60px;height:60px;border-color:var(--volt)}
body.cursor-down .cursor-ring{width:24px;height:24px}
@media(hover:none),(pointer:coarse){.cursor,.cursor-ring{display:none}}

/* REDUCED MOTION */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal,.mobile-menu li{opacity:1!important;transform:none!important}
  .c-hero h1 .line>span{transform:none}
  .cursor,.cursor-ring{display:none}
  html{scroll-behavior:auto}
}

/* RESPONSIVE */
@media(max-width:980px){
  nav{padding:1.2rem 1.4rem}
  nav.scrolled{padding:.9rem 1.4rem}
  .nav-links{display:none}
  .burger{display:block}
  .c-hero-inner{padding:0 1.4rem 3rem}
  .hook{padding:5rem 1.4rem}
  footer{padding:4rem 1.4rem 2rem}
  .foot-grid{grid-template-columns:1fr 1fr}
}