/* ===== CoreX Fitness Lab — sistema visual compartido ===== */
:root{
  --bg:#070b11;
  --bg2:#0b1119;
  --surface:#0f1722;
  --surface2:#141f2d;
  --line:rgba(120,180,230,.10);
  --line2:rgba(120,180,230,.20);
  --ink:#eaf2f9;
  --muted:#8ea4b8;
  --muted2:#5f7186;
  --blue:#25a9e6;      /* cian-azul neón del logo */
  --blue-l:#57c8ff;
  --blue-d:#127bb5;
  --blue-deep:#0a3350;
  --glow:rgba(60,180,255,.55);
  --paper:#eef3f7;
  --paper2:#e2eaf1;
  --paper-ink:#0c1520;
  --paper-muted:#4a5b6b;
  --ok:#25D366;
  --max:1180px;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{overflow-x:clip}
body{background:var(--bg);color:var(--ink);font-family:'Inter',system-ui,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* Tipografía y utilitarias */
.display{font-family:'Space Grotesk',sans-serif;font-weight:700;line-height:1.02;letter-spacing:-.02em}
.mono{font-family:'Space Mono',monospace}
.eyebrow{font-family:'Space Mono',monospace;font-weight:700;text-transform:uppercase;letter-spacing:.24em;font-size:.7rem;color:var(--blue-l);display:inline-flex;align-items:center;gap:11px}
.eyebrow::before{content:'';width:24px;height:2px;background:var(--blue);display:inline-block}
.eyebrow.center{justify-content:center}
.eyebrow.center::after{content:'';width:24px;height:2px;background:var(--blue);display:inline-block}
.grad{background:linear-gradient(100deg,var(--blue-l),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}

/* Secciones */
.sec{padding:100px 0}
.sec-sm{padding:70px 0}
.alt{background:var(--bg2)}
.sec-head{margin-bottom:52px;max-width:720px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(2rem,4.6vw,3.3rem);margin:16px 0 14px}
.sec-head p{color:var(--muted);font-size:1.06rem}
.paper{background:linear-gradient(180deg,var(--paper),var(--paper2));color:var(--paper-ink)}
.paper .sec-head p{color:var(--paper-muted)}
.paper .eyebrow{color:var(--blue-d)}
.paper .eyebrow::before{background:var(--blue-d)}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 26px;border-radius:12px;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.95rem;cursor:pointer;transition:.28s var(--ease);white-space:nowrap;border:1px solid transparent}
.btn-primary{background:linear-gradient(120deg,var(--blue-l),var(--blue-d));color:#04121d;box-shadow:0 10px 30px rgba(37,169,230,.28)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(37,169,230,.45)}
.btn-line{background:rgba(255,255,255,.03);border-color:var(--line2);color:var(--ink)}
.btn-line:hover{border-color:var(--blue);color:var(--blue-l);transform:translateY(-2px)}
.btn-wa{background:var(--ok);color:#04210f}
.btn-wa:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(37,211,102,.35)}
.btn-block{width:100%}
.btn-lg{padding:17px 32px;font-size:1.02rem}

/* Nav */
nav{position:fixed;top:0;left:0;width:100%;z-index:90;transition:.35s var(--ease);padding:18px 0}
nav.scrolled{background:rgba(7,11,17,.82);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);padding:11px 0}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:12px;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.28rem;letter-spacing:.02em}
.logo .lmark{width:38px;height:38px;flex:none}
.logo .sub{font-family:'Space Mono',monospace;font-weight:400;font-size:.54rem;letter-spacing:.30em;color:var(--muted);text-transform:uppercase;display:block;margin-top:-2px}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a.navlink{font-size:.87rem;font-weight:500;color:var(--muted);transition:.2s;position:relative}
.nav-links a.navlink:hover,.nav-links a.navlink.active{color:var(--ink)}
.nav-links a.navlink::after{content:'';position:absolute;left:0;bottom:-7px;width:0;height:2px;background:var(--blue);transition:.28s var(--ease)}
.nav-links a.navlink:hover::after,.nav-links a.navlink.active::after{width:100%}
.nav-cta{display:flex;gap:12px;align-items:center}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:rgba(255,255,255,.03);border:1px solid var(--line2);border-radius:9px;padding:10px;z-index:96;transition:.25s}
.burger:hover{border-color:var(--blue)}
.burger span{width:22px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}

/* Hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero-track{display:flex;height:100%;width:400%;will-change:transform}
.hero-slide{flex:0 0 25%;height:100%;background-size:cover;background-position:center 25%;filter:saturate(1.05) contrast(1.04)}
.hero-veil{position:absolute;inset:0;z-index:1;pointer-events:none;background:
  linear-gradient(180deg,rgba(7,11,17,.72) 0%,rgba(7,11,17,.55) 40%,rgba(7,11,17,.9) 100%),
  linear-gradient(90deg,rgba(7,11,17,.95) 0%,rgba(7,11,17,.6) 52%,rgba(7,11,17,.35) 100%)}
.hero-glow{position:absolute;z-index:1;width:60vw;height:60vw;max-width:720px;max-height:720px;right:-8%;top:8%;background:radial-gradient(circle,var(--glow),transparent 62%);opacity:.5;pointer-events:none;filter:blur(20px)}
.hero-in{position:relative;z-index:2;width:100%}
.hero-badge{display:inline-flex;align-items:center;gap:9px;background:rgba(37,169,230,.12);border:1px solid var(--line2);border-radius:40px;padding:8px 16px;font-size:.78rem;color:var(--blue-l);margin-bottom:26px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 0 var(--glow);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 var(--glow)}70%{box-shadow:0 0 0 12px transparent}100%{box-shadow:0 0 0 0 transparent}}
.hero h1{font-size:clamp(2.6rem,7vw,5.2rem);margin-bottom:22px;max-width:14ch}
.hero .lead{font-size:clamp(1.05rem,2.1vw,1.32rem);color:var(--muted);max-width:52ch;margin-bottom:20px}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.hero-pills span{font-family:'Space Mono',monospace;font-size:.74rem;letter-spacing:.04em;padding:7px 14px;border:1px solid var(--line2);border-radius:30px;color:var(--muted);text-transform:uppercase}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-proof{display:flex;flex-wrap:wrap;gap:26px;align-items:center}
.hero-proof .p{display:flex;flex-direction:column;gap:2px}
.hero-proof b{font-family:'Space Grotesk',sans-serif;font-size:1.5rem;color:var(--ink);line-height:1}
.hero-proof small{color:var(--muted);font-size:.78rem}
.stars{color:#ffc247;letter-spacing:2px}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;width:2px;height:44px;background:linear-gradient(var(--blue),transparent);animation:sh 1.8s infinite}
@keyframes sh{0%,100%{transform:translateX(-50%) scaleY(.5);opacity:.4}50%{transform:translateX(-50%) scaleY(1);opacity:1}}

/* Page hero (subpáginas) */
.pagehero{position:relative;padding:150px 0 60px;overflow:hidden;border-bottom:1px solid var(--line)}
.pagehero::before{content:'';position:absolute;right:-6%;top:-20%;width:44vw;height:44vw;max-width:520px;max-height:520px;background:radial-gradient(circle,var(--glow),transparent 64%);opacity:.28;pointer-events:none}
.pagehero .crumbs{font-family:'Space Mono',monospace;font-size:.75rem;color:var(--muted);margin-bottom:16px;letter-spacing:.08em}
.pagehero .crumbs a:hover{color:var(--blue-l)}
.pagehero h1{font-size:clamp(2.2rem,5.5vw,3.8rem);max-width:18ch}
.pagehero p{color:var(--muted);font-size:1.08rem;max-width:60ch;margin-top:16px}

/* Grids y tarjetas */
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:30px;position:relative;overflow:hidden;min-width:0;transition:.3s var(--ease)}
.card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--blue),var(--blue-l));transform:scaleX(0);transform-origin:left;transition:.4s var(--ease)}
.card:hover{border-color:var(--line2);transform:translateY(-5px)}
.card:hover::before{transform:scaleX(1)}
.card .ic{width:52px;height:52px;border-radius:13px;background:linear-gradient(135deg,var(--blue-deep),var(--surface2));display:flex;align-items:center;justify-content:center;margin-bottom:18px;border:1px solid var(--line2)}
.card .ic svg{width:26px;height:26px;stroke:var(--blue-l)}
.card h3{font-family:'Space Grotesk',sans-serif;font-size:1.28rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.96rem}
.card .tag{position:absolute;top:20px;right:20px;font-family:'Space Mono',monospace;font-size:.62rem;text-transform:uppercase;letter-spacing:.12em;color:var(--blue-l);border:1px solid var(--line2);padding:4px 9px;border-radius:20px}

/* Split editorial */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.rev .split-media{order:2}
.split-media{position:relative;border-radius:20px;overflow:hidden;aspect-ratio:4/5;border:1px solid var(--line2)}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-media .frame{position:absolute;inset:14px;border:1px solid rgba(255,255,255,.25);border-radius:12px;pointer-events:none}
.split h2{font-size:clamp(1.8rem,4vw,2.8rem);margin:14px 0 18px}
.split p{color:var(--muted);margin-bottom:16px}
.checklist{list-style:none;display:flex;flex-direction:column;gap:12px;margin:20px 0}
.checklist li{display:flex;gap:12px;align-items:flex-start;color:var(--ink);font-size:.98rem}
.checklist li svg{width:22px;height:22px;flex:none;stroke:var(--blue-l);margin-top:2px}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat{padding:26px 16px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
.stat b{font-family:'Space Grotesk',sans-serif;font-size:2.6rem;display:block;line-height:1;color:var(--blue-l)}
.stat span{color:var(--muted);font-size:.86rem;margin-top:8px;display:block}

/* Servicios detalle (subpágina) */
.svc{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:44px 0;border-bottom:1px solid var(--line)}
.svc:nth-child(even) .svc-media{order:2}
.svc-media{border-radius:18px;overflow:hidden;aspect-ratio:5/4;border:1px solid var(--line2)}
.svc-media img{width:100%;height:100%;object-fit:cover}
.svc-body h3{font-family:'Space Grotesk',sans-serif;font-size:1.7rem;margin:12px 0 12px}
.svc-body p{color:var(--muted);margin-bottom:14px}
.svc-num{font-family:'Space Mono',monospace;color:var(--blue-l);font-size:.8rem;letter-spacing:.14em}

/* Reseñas */
.rev-badge{display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:center;text-align:center;margin-bottom:40px}
.rev-score{font-family:'Space Grotesk',sans-serif;font-size:4rem;line-height:1;color:var(--ink)}
.rev-badge .g{display:flex;flex-direction:column;gap:6px;align-items:center}
.gitem{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.9rem;border:1px solid var(--line);padding:8px 16px;border-radius:30px;background:var(--surface)}

/* Reserva / calendario demo */
.book{display:grid;grid-template-columns:1fr 1fr;gap:30px;background:var(--surface);border:1px solid var(--line2);border-radius:22px;padding:36px}
.book h3{font-family:'Space Grotesk',sans-serif;font-size:1.5rem;margin-bottom:8px}
.book .muted{color:var(--muted);font-size:.92rem;margin-bottom:18px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;min-width:0}
.field label{font-size:.82rem;color:var(--muted);font-family:'Space Mono',monospace;letter-spacing:.04em}
.field input,.field select,.field textarea{background:var(--bg2);border:1px solid var(--line2);border-radius:11px;padding:13px 15px;color:var(--ink);font-family:inherit;font-size:.95rem;min-width:0}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue)}
.cal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.cal-head b{font-family:'Space Grotesk',sans-serif}
.cal-nav{display:flex;gap:8px}
.cal-nav button{background:var(--bg2);border:1px solid var(--line2);color:var(--ink);width:34px;height:34px;border-radius:9px;cursor:pointer;transition:.2s}
.cal-nav button:hover{border-color:var(--blue);color:var(--blue-l)}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-grid .dow{font-family:'Space Mono',monospace;font-size:.66rem;text-align:center;color:var(--muted2);padding:4px 0}
.cal-day{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:9px;font-size:.85rem;cursor:pointer;border:1px solid transparent;transition:.15s}
.cal-day.off{color:var(--muted2);cursor:not-allowed;opacity:.4}
.cal-day.avail:hover{background:var(--surface2);border-color:var(--line2)}
.cal-day.sel{background:linear-gradient(120deg,var(--blue-l),var(--blue-d));color:#04121d;font-weight:700}
.slots{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.slot{padding:9px 14px;border:1px solid var(--line2);border-radius:9px;font-size:.85rem;cursor:pointer;transition:.15s;font-family:'Space Mono',monospace}
.slot:hover{border-color:var(--blue)}
.slot.sel{background:var(--blue);color:#04121d;border-color:var(--blue);font-weight:700}
.book-ok{display:none;background:rgba(37,211,102,.1);border:1px solid rgba(37,211,102,.4);border-radius:14px;padding:22px;margin-top:18px;color:var(--ink)}
.book-ok.show{display:block;animation:fadeUp .5s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:none;border:none;color:var(--ink);font-family:'Space Grotesk',sans-serif;font-size:1.1rem;font-weight:600;padding:22px 44px 22px 0;cursor:pointer;position:relative}
.faq-q::after{content:'+';position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:1.6rem;color:var(--blue-l);transition:.3s}
.faq-q.open::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease);color:var(--muted)}
.faq-a p{padding:0 0 22px}

/* Formulario */
.formcard{background:var(--surface);border:1px solid var(--line2);border-radius:20px;padding:34px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-ok{display:none;text-align:center;padding:40px}
.form-ok.show{display:block;animation:fadeUp .5s var(--ease)}
.form-ok .big{font-family:'Space Grotesk',sans-serif;font-size:1.6rem;margin:14px 0 8px;color:var(--blue-l)}

/* Contacto strip */
.contact-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cinfo{display:flex;gap:14px;align-items:flex-start;padding:22px;border:1px solid var(--line);border-radius:15px;background:var(--surface)}
.cinfo svg{width:24px;height:24px;stroke:var(--blue-l);flex:none;margin-top:2px}
.cinfo b{font-family:'Space Grotesk',sans-serif;display:block;margin-bottom:3px}
.cinfo span{color:var(--muted);font-size:.9rem}

/* Galería */
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.gal a{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:3/4;cursor:pointer;border:1px solid var(--line)}
.gal img{width:100%;height:100%;object-fit:cover;transition:.5s var(--ease)}
.gal a:hover img{transform:scale(1.06)}

/* CTA banda */
.cta-band{position:relative;overflow:hidden;text-align:center;border-radius:24px;padding:64px 30px;background:linear-gradient(120deg,var(--blue-deep),var(--surface));border:1px solid var(--line2)}
.cta-band h2{font-size:clamp(1.9rem,4.4vw,3rem);margin-bottom:16px}
.cta-band p{color:var(--muted);max-width:52ch;margin:0 auto 28px}

/* Aviso demo */
.demo-note{background:rgba(37,169,230,.08);border:1px dashed var(--line2);border-radius:12px;padding:14px 18px;font-size:.84rem;color:var(--muted);display:flex;gap:10px;align-items:flex-start}
.demo-note svg{width:18px;height:18px;stroke:var(--blue-l);flex:none;margin-top:2px}
.pend{display:inline-block;font-family:'Space Mono',monospace;font-size:.66rem;color:var(--blue-l);border:1px dashed var(--line2);padding:3px 8px;border-radius:6px;letter-spacing:.06em}

/* WhatsApp flotante */
.wa-fab{position:fixed;right:20px;bottom:20px;z-index:80;width:58px;height:58px;border-radius:50%;background:var(--ok);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 26px rgba(37,211,102,.4);transition:.25s}
.wa-fab:hover{transform:scale(1.08)}
.wa-fab svg{width:30px;height:30px;fill:#fff}

/* Footer */
footer{background:#05080d;padding:56px 0 30px;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;margin-bottom:40px}
.foot-brand p{color:var(--muted);font-size:.92rem;margin-top:14px;max-width:36ch}
.socials{display:flex;gap:12px;margin-top:18px}
.socials a{width:40px;height:40px;border-radius:11px;border:1px solid var(--line2);display:flex;align-items:center;justify-content:center;transition:.25s}
.socials a:hover{border-color:var(--blue);background:rgba(37,169,230,.1)}
.socials svg{width:19px;height:19px;fill:var(--muted)}
.socials a:hover svg{fill:var(--blue-l)}
.foot-col h4{font-family:'Space Grotesk',sans-serif;font-size:.95rem;margin-bottom:16px;color:var(--ink)}
.foot-col a{display:block;color:var(--muted);font-size:.9rem;margin-bottom:10px;transition:.2s}
.foot-col a:hover{color:var(--blue-l)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;padding-top:26px;border-top:1px solid var(--line);color:var(--muted2);font-size:.82rem}

/* Reveal */
.reveal{opacity:0;transform:translateY(30px);transition:.8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.stagger>*{opacity:0;transform:translateY(26px);transition:.7s var(--ease)}
.stagger.in>*{opacity:1;transform:none}

/* Lightbox */
.lb{position:fixed;inset:0;z-index:200;background:rgba(4,7,11,.94);display:none;align-items:center;justify-content:center;padding:30px}
.lb.open{display:flex}
.lb img{max-width:92vw;max-height:88vh;border-radius:12px}
.lb-close{position:absolute;top:20px;right:26px;font-size:2rem;color:#fff;cursor:pointer;background:none;border:none}

@media(max-width:980px){
  .nav-links{position:fixed;top:0;right:-100%;height:100vh;width:82%;max-width:340px;background:var(--bg2);flex-direction:column;justify-content:center;gap:26px;transition:right .4s var(--ease);border-left:1px solid var(--line);z-index:95;padding:40px}
  .nav-links.open{right:0}
  .nav-links a.navlink{font-size:1.15rem}
  .nav-cta{display:none}
  .burger{display:flex}
  .burger.x span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
  .burger.x span:nth-child(2){opacity:0}
  .burger.x span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}
  .split,.book{grid-template-columns:1fr;gap:34px}
  .split.rev .split-media{order:0}
  .split-media,.svc-media{max-width:480px;margin:0 auto}
  .svc{grid-template-columns:1fr;gap:26px}
  .svc:nth-child(even) .svc-media{order:0}
  .grid3{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .gal{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .sec{padding:70px 0}
  .grid3,.grid2,.contact-strip{grid-template-columns:1fr}
  .gal{grid-template-columns:repeat(2,1fr)}
  .hero-proof{gap:18px}
  .foot-grid{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr}
  .rev-score{font-size:3rem}
}
@media(min-width:981px){.nav-links .btn-primary{display:none}}
@media(prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;transition-duration:.001ms!important}}