/* ============ TOKENS ============ */
:root{
  --black:#1A1A1A;         /* "light black" tomado del fondo del logo */
  --ink:#121212;           /* fondo de las secciones oscuras */
  --black-900:#1C1C1C;     /* tarjetas sobre fondo oscuro */
  --black-700:#333333;
  --black-500:#4A4A4A;
  --grey-500:#5A5A5A;      /* texto secundario */
  --grey-400:#8A8A8A;
  --grey-300:#B4B4B4;
  --grey-100:#E2E2DF;      /* bordes */
  --surface:#E6E6E2;       /* slots de imagen pendientes */
  --surface-dark:#242424;  /* slots sobre fondo oscuro */
  --white:#FFFFFF;
  --off-white:#F2F2EF;     /* papel neutro */

  --radius:22px;
  --radius-sm:14px;
  --radius-pill:999px;
  --wrap:1180px;
  --nav-h:74px;
  --shadow:0 20px 44px rgba(18,18,18,.14);
  --shadow-sm:0 1px 2px rgba(18,18,18,.05), 0 10px 26px rgba(18,18,18,.05);
  --ease:cubic-bezier(.22,.75,.28,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth; scroll-padding-top:calc(var(--nav-h) + 12px)}
body{
  margin:0; background:var(--off-white); color:var(--black);
  font-family:'Inter',system-ui,-apple-system,Segoe UI,sans-serif;
  font-size:17px; line-height:1.65; -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block}
h1,h2,h3,h4{font-family:'Archivo',system-ui,sans-serif; line-height:1.05; letter-spacing:-.02em; margin:0}
h1{font-size:clamp(2.3rem,5.6vw,4.2rem); font-weight:900; text-transform:uppercase}
h2{font-size:clamp(1.85rem,3.6vw,2.9rem); font-weight:800}
h3{font-size:1.15rem; font-weight:700}
p{margin:0}
a{color:inherit; text-decoration:none}
ul{margin:0; padding:0; list-style:none}

.wrap{width:100%; max-width:var(--wrap); margin:0 auto; padding:0 24px}
.wrap--narrow{max-width:820px}

.eyebrow{
  font-family:'Archivo',sans-serif; font-size:.76rem; font-weight:700;
  letter-spacing:.18em; text-transform:uppercase; color:var(--grey-500); margin-bottom:14px;
}
.eyebrow--light{color:var(--grey-300)}

.placeholder-note{
  margin-top:16px; display:inline-block;
  font-size:.76rem; letter-spacing:.06em; text-transform:uppercase; font-weight:600;
  color:var(--grey-500); border:1px dashed var(--grey-300);
  border-radius:var(--radius-pill); padding:6px 14px; background:transparent;
}
.placeholder-note--light{color:var(--grey-300); border-color:rgba(255,255,255,.28)}

/* ============ BOTONES ============ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:'Archivo',sans-serif; font-weight:700; font-size:.9rem;
  letter-spacing:.02em; padding:12px 22px; border-radius:var(--radius-pill);
  border:1.5px solid transparent; cursor:pointer;
  transition:transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn--solid{background:var(--black); color:var(--white)}
.btn--solid:hover{background:var(--black-700)}
.btn--invert{background:var(--white); color:var(--black)}
.btn--invert:hover{background:var(--grey-100)}
.btn--ghost{background:transparent; color:var(--white); border-color:rgba(255,255,255,.55)}
.btn--ghost:hover{background:var(--white); color:var(--black); border-color:var(--white)}
.btn--lg{padding:15px 30px; font-size:1rem}

/* ============ NAV ============ */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:60;
  background:rgba(242,242,239,.82); backdrop-filter:blur(14px);
  border-bottom:1px solid transparent; transition:border-color .25s var(--ease), background .25s var(--ease);
}
.nav.is-scrolled{border-bottom-color:var(--grey-100); background:rgba(242,242,239,.95)}
.nav__inner{
  max-width:var(--wrap); margin:0 auto; padding:0 24px; height:var(--nav-h);
  display:flex; align-items:center; gap:20px;
}
.nav__brand{display:flex; align-items:center; gap:11px; flex-shrink:0}
.nav__brand img{width:42px; height:42px; border-radius:50%; object-fit:cover}
.nav__brand span{
  font-family:'Archivo',sans-serif; font-weight:800; font-size:.78rem;
  line-height:1.15; text-transform:uppercase; letter-spacing:.04em;
}
.nav__brand em{font-style:normal; color:var(--grey-500)}

.nav__links{display:flex; align-items:center; gap:18px; margin-left:auto}
.nav__links a{
  white-space:nowrap; font-size:.8rem; font-weight:500; color:var(--black-700); position:relative; padding:6px 0;
  transition:color .2s var(--ease);
}
.nav__links a::after{
  content:''; position:absolute; left:0; right:0; bottom:0; height:2px;
  background:var(--black); transform:scaleX(0); transform-origin:left;
  transition:transform .25s var(--ease);
}
.nav__links a:hover::after, .nav__links a.is-active::after{transform:scaleX(1)}
.nav__links a.is-active{color:var(--black); font-weight:600}
.nav__cta{margin-left:14px; flex-shrink:0}
.nav__cta-mobile{display:none}
.nav__burger{display:none; background:none; border:0; padding:8px; cursor:pointer}
.nav__burger span{display:block; width:24px; height:2px; background:var(--black); margin:5px 0; transition:transform .25s var(--ease), opacity .2s}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ HERO ============ */
.hero{position:relative; min-height:100svh; display:flex; align-items:flex-end; overflow:hidden}
.hero__bg{position:absolute; inset:0}
.hero__bg img{width:100%; height:100%; object-fit:cover; object-position:center 26%; filter:saturate(1.18) contrast(1.06) brightness(1.06)}
.hero__bg::after{
  content:''; position:absolute; inset:0;
  background:
    linear-gradient(102deg, rgba(10,10,12,.84) 0%, rgba(10,10,12,.58) 32%, rgba(10,10,12,.16) 66%, rgba(10,10,12,.02) 100%),
    linear-gradient(180deg, rgba(10,10,12,.38) 0%, rgba(10,10,12,0) 28%, rgba(10,10,12,.18) 62%, rgba(10,10,12,.62) 100%);
}
.hero__content{
  position:relative; width:100%; max-width:var(--wrap); margin:0 auto;
  padding:0 24px calc(64px + env(safe-area-inset-bottom)); color:var(--white);
}
.hero__content .eyebrow{color:var(--grey-300)}
.hero__content h1{max-width:16ch; text-shadow:0 2px 24px rgba(8,8,10,.45)}
.hero__sub{max-width:52ch; margin-top:20px; color:rgba(255,255,255,.9); font-size:1.05rem; text-shadow:0 2px 18px rgba(8,8,10,.5)}
.hero__cta{display:flex; flex-wrap:wrap; gap:12px; margin-top:32px}
.hero__cta .btn--solid{background:var(--white); color:var(--black)}
.hero__cta .btn--solid:hover{background:var(--grey-100)}

/* ============ SECCIONES ============ */
.section{padding:104px 0}
.section--alt{background:var(--white)}
.section--dark{background:var(--ink); color:var(--white)}
.section--dark h2{color:var(--white)}
.section__head{max-width:640px; margin-bottom:48px}
.section__lead{margin-top:16px; color:var(--grey-500); font-size:1.05rem}
.section--dark .section__lead{color:var(--grey-300)}
.section--dark .eyebrow{color:var(--grey-400)}
.section--dark .placeholder-note{color:var(--grey-300); border-color:rgba(255,255,255,.24)}
.section--dark .card{background:var(--black-900); border-color:#2B2B2B; box-shadow:none}
.section--dark .coach{background:var(--black-900)}
.section--dark .coach__photo{background:var(--surface-dark)}
.section--dark .coach__ph-label{color:#7F7F7F}
.section--dark .coach__body p{color:var(--grey-400)}
.section--dark .card--hover:hover{border-color:#3E3E3E; box-shadow:0 20px 44px rgba(0,0,0,.45)}

.grid{display:grid; gap:20px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

.card{
  background:var(--white); border:1px solid var(--grey-100);
  border-radius:var(--radius); padding:28px; box-shadow:var(--shadow-sm);
  transition:transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}
.section--alt .card{background:var(--off-white); border-color:var(--grey-100)}
.card--hover:hover{transform:translateY(-4px); box-shadow:var(--shadow); border-color:var(--grey-300)}
.card--dark{background:var(--black); color:var(--white); border-color:var(--black)}

/* Programas */
.program__num{
  font-family:'Archivo',sans-serif; font-weight:800; font-size:.78rem; letter-spacing:.14em;
  color:var(--grey-500); display:block; margin-bottom:22px;
}
.program h3{margin-bottom:10px}
.program p{color:var(--grey-500); font-size:.95rem}

/* Entrenadores */
.coach{padding:0; overflow:hidden; background:var(--off-white)}
.section--alt .coach{background:var(--off-white)}
.coach__photo{
  aspect-ratio:3/4; background:var(--surface);
  display:flex; align-items:center; justify-content:center; position:relative;
}
.coach__photo img{width:100%; height:100%; object-fit:cover}
.coach__ph-label{
  color:var(--grey-400);
  font-family:'Archivo',sans-serif; font-size:.72rem; font-weight:700; letter-spacing:.14em;
  text-transform:uppercase; color:var(--grey-500);
}
.coach__body{padding:20px 22px 24px}
.coach__body h3{font-size:1.02rem}
.coach__body p{font-size:.86rem; color:var(--grey-500); margin-top:4px}

/* Transformaciones */
.transform{padding:0; overflow:hidden}
.transform__pair{display:grid; grid-template-columns:1fr 1fr; gap:2px; background:var(--grey-100)}
.transform__slot{
  aspect-ratio:3/4; background:var(--surface); display:flex; align-items:center; justify-content:center; position:relative;
}
.transform__slot img{width:100%; height:100%; object-fit:cover}
.transform__tag{
  position:absolute; top:12px; left:12px; background:var(--black); color:var(--white);
  font-family:'Archivo',sans-serif; font-size:.66rem; font-weight:700; letter-spacing:.12em;
  text-transform:uppercase; padding:5px 10px; border-radius:var(--radius-pill);
}
.transform__body{padding:18px 22px 22px; display:flex; justify-content:space-between; align-items:baseline; gap:12px}
.transform__body p{font-size:.86rem; color:var(--grey-500)}

/* Testimonios */
.testimonial{background:#1C1C1C; border-color:#2B2B2B; color:var(--white); display:flex; flex-direction:column; gap:18px}
.stars{letter-spacing:.18em; font-size:.9rem; color:var(--white)}
.testimonial blockquote{margin:0; font-size:1rem; color:rgba(255,255,255,.88)}
.testimonial cite{
  font-style:normal; font-family:'Archivo',sans-serif; font-weight:700; font-size:.82rem;
  letter-spacing:.1em; text-transform:uppercase; color:var(--grey-300); margin-top:auto;
}

/* FAQ */
.faq{border-top:1px solid var(--grey-100)}
.faq__item{border-bottom:1px solid var(--grey-100)}
.faq__q{
  width:100%; background:none; border:0; cursor:pointer; text-align:left;
  padding:24px 44px 24px 0; position:relative;
  font-family:'Archivo',sans-serif; font-weight:700; font-size:1.02rem; color:var(--black);
}
.faq__q::after{
  content:'+'; position:absolute; right:6px; top:50%; transform:translateY(-50%);
  font-size:1.5rem; font-weight:500; color:var(--grey-500); transition:transform .28s var(--ease);
}
.faq__item.is-open .faq__q::after{transform:translateY(-50%) rotate(45deg)}
.faq__a{max-height:0; overflow:hidden; transition:max-height .35s var(--ease)}
.faq__a p{padding:0 44px 26px 0; color:var(--grey-500)}

/* Ubicaciones */
.tabs{display:flex; flex-wrap:wrap; gap:10px; margin-bottom:28px}
.tab{
  font-family:'Archivo',sans-serif; font-weight:700; font-size:.85rem;
  padding:11px 20px; border-radius:var(--radius-pill);
  border:1.5px solid var(--grey-300); background:transparent; color:var(--black-700); cursor:pointer;
  transition:all .2s var(--ease);
}
.tab:hover{border-color:var(--black)}
.tab.is-active{background:var(--black); color:var(--white); border-color:var(--black)}

.location{
  display:grid; grid-template-columns:1fr 1.25fr; gap:0; overflow:hidden; padding:0;
  background:var(--off-white); border:1px solid var(--grey-100); border-radius:var(--radius);
}
.location[hidden]{display:none}
.location__info{padding:38px}
.location__info h3{font-size:1.5rem; margin-bottom:12px}
.location__info p{color:var(--grey-500)}
.location__info .btn{margin-top:26px}
.location__map{min-height:340px; background:var(--surface)}
.location__map iframe{width:100%; height:100%; min-height:340px; border:0; display:block}

/* Contacto */
.contact{display:grid; grid-template-columns:1fr 1fr; gap:20px}
.contact__intro{display:flex; flex-direction:column; align-items:flex-start; padding:44px}
.contact__intro h2{color:var(--white); margin-bottom:14px}
.contact__intro p{color:var(--grey-300)}
.contact__intro .btn{margin-top:28px}
.contact__form{display:flex; flex-direction:column; gap:16px; padding:44px}
.contact__form label{
  display:flex; flex-direction:column; gap:7px;
  font-family:'Archivo',sans-serif; font-size:.78rem; font-weight:700;
  letter-spacing:.12em; text-transform:uppercase; color:var(--grey-500);
}
.contact__form input, .contact__form textarea{
  font-family:'Inter',sans-serif; font-size:.98rem; color:var(--black);
  padding:13px 16px; border:1.5px solid var(--grey-100); border-radius:var(--radius-sm);
  background:var(--white); resize:vertical; transition:border-color .2s var(--ease);
}
.contact__form input:focus, .contact__form textarea:focus{outline:none; border-color:var(--black)}
.form__note{font-size:.82rem; color:var(--grey-500)}

/* Footer */
.footer{background:var(--ink); color:var(--white); padding:72px 0 28px}
.footer__inner{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px}
.footer__brand img{width:74px; height:74px; border-radius:50%; margin-bottom:18px}
.footer__brand p{color:var(--grey-300); font-size:.95rem; max-width:30ch}
.footer h4{
  font-size:.78rem; letter-spacing:.16em; text-transform:uppercase; color:var(--grey-500); margin-bottom:16px;
}
.footer__col li{color:var(--grey-300); font-size:.92rem; padding:5px 0}
.footer__social{margin-top:18px}
.footer__social a{color:var(--grey-300); font-size:.92rem}
.footer__social a:hover{color:var(--white)}
.footer__bottom{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  margin-top:56px; padding-top:22px; border-top:1px solid #2B2B2B;
  font-size:.78rem; color:var(--grey-500);
}

/* Reveal */
.reveal{opacity:0; transform:translateY(20px); transition:opacity .6s var(--ease), transform .6s var(--ease)}
.reveal.is-visible{opacity:1; transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1; transform:none; transition:none}
  .btn:hover, .card--hover:hover{transform:none}
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .location{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr 1fr}
}
@media (max-width:1100px){
  .nav__cta{display:none}
  .nav__burger{display:block; margin-left:auto}
  .nav__links{
    position:fixed; top:var(--nav-h); left:0; right:0;
    background:var(--off-white); border-bottom:1px solid var(--grey-100);
    flex-direction:column; align-items:stretch; gap:0; margin:0; padding:8px 24px 28px;
    transform:translateY(-12px); opacity:0; pointer-events:none; transition:all .25s var(--ease);
    max-height:calc(100svh - var(--nav-h)); overflow-y:auto;
  }
  .nav__links.is-open{transform:none; opacity:1; pointer-events:auto}
  .nav__links a{padding:14px 0; font-size:1rem; border-bottom:1px solid var(--grey-100)}
  .nav__links a::after{display:none}
  .nav__cta-mobile{display:inline-flex; margin-top:18px; border-bottom:0 !important}
}
@media (max-width:680px){
  body{font-size:16px}
  .section{padding:72px 0}
  .grid--3, .grid--4{grid-template-columns:1fr}
  .hero{min-height:92svh}
  .hero__cta .btn{width:100%}
  .card, .contact__intro, .contact__form, .location__info{padding:26px}
  .footer__inner{grid-template-columns:1fr}
}