/* =========================================================
   Máximo Romero Entrenamiento — hoja de estilos
   Paleta monocroma: negro, gris y blanco
   ========================================================= */

:root {
  /* Fondos */
  --fondo:        #0a0a0a;   /* fondo general */
  --fondo-alt:    #111111;   /* secciones alternas */
  --superficie:   #171717;   /* tarjetas */
  --superficie-2: #1f1f1f;   /* hover, matices */
  --borde:        #262626;
  --borde-fuerte: #3d3d3d;

  /* Texto */
  --texto:        #f5f5f5;
  --texto-suave:  #a3a3a3;
  --texto-tenue:  #6e6e6e;

  /* Acento (blanco) */
  --acento:       #ffffff;
  --acento-apag:  #d4d4d4;
  --acento-tinte: rgba(255, 255, 255, .08);
  --sobre-acento: #0a0a0a;   /* texto sobre fondo blanco */

  --radio:        18px;
  --radio-pill:   999px;
  --sombra:       0 18px 45px rgba(0, 0, 0, .6);
  --brillo:       0 14px 40px rgba(255, 255, 255, .12);
  --contenedor:   1240px;
  --header-h:     92px;
  --trans:        .35s cubic-bezier(.22, .61, .36, 1);

  color-scheme: dark;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--fondo); }
body {
  margin: 0;
  font-family: 'Poppins', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--texto-suave);
  background: var(--fondo);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.1; color: var(--texto); letter-spacing: -.02em; }
p { margin: 0 0 1rem; }
button { font: inherit; }
svg { width: 100%; height: 100%; }
::selection { background: var(--acento); color: var(--sobre-acento); }

.container { width: min(100% - 2.5rem, var(--contenedor)); margin-inline: auto; }
.container--narrow { width: min(100% - 2.5rem, 820px); }

/* ---------- Tipografía de secciones ---------- */
.section { padding: clamp(70px, 9vw, 130px) 0; }
.section--alt { background: var(--fondo-alt); }
.section__head { max-width: 720px; margin: 0 auto clamp(40px, 5vw, 64px); text-align: center; }

.eyebrow {
  display: inline-block;
  font-size: .78rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--texto); background: var(--acento-tinte);
  border: 1px solid rgba(255, 255, 255, .16);
  padding: .4rem 1rem; border-radius: var(--radio-pill);
  margin: 0 0 1.1rem;
}

.h2 { font-size: clamp(2rem, 4.2vw, 3.15rem); font-weight: 800; margin-bottom: 1.1rem; }
.hl { color: #fff; }
.dot { color: var(--texto-tenue); }

.lead { font-size: 1.08rem; color: var(--texto-suave); max-width: 62ch; }
.lead--center { margin-inline: auto; }
.destacado { color: var(--texto); font-weight: 600; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .9rem 1.9rem;
  border-radius: var(--radio-pill);
  font-weight: 700; font-size: .84rem; letter-spacing: .08em; text-transform: uppercase;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--trans), background var(--trans), color var(--trans),
              box-shadow var(--trans), border-color var(--trans);
  white-space: nowrap;
}
.btn--lg { padding: 1.15rem 2.4rem; font-size: .88rem; }
.btn--block { width: 100%; }

.btn--primary { background: var(--acento); color: var(--sobre-acento); }
.btn--primary:hover { background: var(--acento-apag); transform: translateY(-3px); box-shadow: var(--brillo); }

.btn--outline { border-color: var(--borde-fuerte); color: var(--texto); background: transparent; }
.btn--outline:hover { border-color: var(--acento); transform: translateY(-3px); }

.btn--ghost { background: transparent; color: var(--texto); border-color: rgba(255,255,255,.22); }
.btn--ghost:hover { border-color: var(--acento); transform: translateY(-3px); }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(10, 10, 10, .78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--trans), background var(--trans);
}
.header.is-scrolled { background: rgba(10, 10, 10, .95); border-bottom-color: var(--borde); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 1.5rem; }

.logo { display: inline-flex; align-items: center; }
.logo__text {
  font-weight: 800; font-size: 1.05rem; line-height: 1.15; letter-spacing: .01em;
  font-style: italic; color: #fff; text-transform: uppercase;
}
.logo__text small {
  display: block; font-size: .68rem; font-weight: 500; font-style: normal;
  letter-spacing: .26em; color: var(--texto-suave);
}
.logo__text--light { font-size: 1.25rem; }
.logo__text--light small { font-size: .74rem; }

.nav { display: flex; align-items: center; gap: 2rem; }
.nav__list { display: flex; align-items: center; gap: 1.6rem; }
.nav__list a {
  font-size: .95rem; font-weight: 500; color: var(--texto-suave); position: relative; padding: .3rem 0;
  transition: color var(--trans);
}
.nav__list a::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--acento); transition: width var(--trans);
}
.nav__list a:hover { color: var(--texto); }
.nav__list a:hover::after, .nav__list a.is-active::after { width: 100%; }
.nav__list a.is-active { color: #fff; font-weight: 600; }

.burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 10px; cursor: pointer; }
.burger span { width: 26px; height: 2.5px; background: var(--texto); border-radius: 2px; transition: transform var(--trans), opacity var(--trans); }
.burger.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Marcadores de imagen ---------- */
.img-slot {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  background: repeating-linear-gradient(45deg, #141414 0 14px, #1a1a1a 14px 28px);
  border: 2px dashed var(--borde-fuerte);
  border-radius: var(--radio);
  color: var(--texto-tenue);
  overflow: hidden;
}
.img-slot img { width: 100%; height: 100%; object-fit: cover; }
.img-slot__label {
  font-size: .82rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  padding: .65rem 1.2rem; border-radius: var(--radio-pill);
  background: rgba(255,255,255,.06); color: var(--texto-suave);
  border: 1px solid rgba(255,255,255,.1);
}
.img-slot--portrait { aspect-ratio: 4 / 5; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(40px, 6vw, 90px));
  padding-bottom: clamp(60px, 8vw, 120px);
  min-height: min(92vh, 900px);
  display: flex; align-items: center;
  overflow: hidden;
  background:
    radial-gradient(900px 620px at 12% 18%, rgba(255, 255, 255, .06), transparent 62%),
    var(--fondo);
}
.hero__media { position: absolute; inset: 0 0 0 46%; z-index: 0; }
.hero__media .img-slot { height: 100%; border-radius: 0; border: 0; }
.hero__fade {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, var(--fondo) 0%, rgba(10,10,10,.94) 22%, rgba(10,10,10,0) 62%),
    linear-gradient(0deg, var(--fondo) 0%, rgba(10,10,10,0) 35%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 2; }
.hero__content { max-width: 640px; }
.hero__title { font-size: clamp(2.6rem, 6vw, 4.6rem); font-weight: 800; margin-bottom: 1.6rem; color: #fff; }
.hero__text { font-size: clamp(1rem, 1.3vw, 1.1rem); color: var(--texto-suave); max-width: 54ch; }
.hero__text + .hero__text { margin-top: -.2rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.4rem; }

.plus { position: absolute; color: var(--texto-tenue); font-weight: 700; font-size: 1.4rem; z-index: 2; }
.plus--1 { top: 44%; left: 49%; }
.plus--2 { bottom: 18%; left: 42%; opacity: .5; }

/* ---------- Marquesina ---------- */
.marquee {
  background: var(--acento); color: var(--sobre-acento);
  padding: 1.05rem 0; overflow: hidden;
}
.marquee__track {
  display: flex; align-items: center; gap: 2.2rem; width: max-content;
  animation: slide 34s linear infinite;
  font-weight: 800; text-transform: uppercase; letter-spacing: .14em; font-size: .84rem;
}
.marquee__track i { color: rgba(10, 10, 10, .45); font-style: normal; }
@keyframes slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Rejillas ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 5vw, 5rem); align-items: center; }

/* ---------- Tarjetas objetivo ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.4rem; }
.card {
  background: var(--superficie); border-radius: var(--radio); padding: 2.2rem 2rem;
  border: 1px solid var(--borde);
  transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans), background var(--trans);
}
.card:hover {
  transform: translateY(-6px); box-shadow: var(--sombra);
  border-color: var(--borde-fuerte); background: var(--superficie-2);
}
.card__icon {
  width: 54px; height: 54px; padding: 13px; border-radius: 16px;
  background: var(--acento-tinte); color: var(--texto); margin-bottom: 1.3rem;
  border: 1px solid rgba(255,255,255,.12);
}
.card__title { font-size: 1.16rem; font-weight: 700; margin-bottom: .7rem; }
.card p { color: var(--texto-suave); font-size: .97rem; margin: 0; }

/* ---------- Proceso ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.4rem; }
.step {
  position: relative; padding: 2rem 1.6rem; border-radius: var(--radio);
  background: var(--superficie); border: 1px solid var(--borde);
  transition: border-color var(--trans), transform var(--trans);
}
.step:hover { border-color: var(--borde-fuerte); transform: translateY(-4px); }
.step__num { font-size: 2.6rem; font-weight: 800; color: rgba(255,255,255,.18); line-height: 1; display: block; margin-bottom: .8rem; }
.step h3 { font-size: 1.08rem; margin-bottom: .5rem; }
.step p { color: var(--texto-suave); font-size: .95rem; margin: 0; }

/* ---------- Planes ---------- */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.6rem; align-items: stretch; }
.plan {
  position: relative; background: var(--superficie); border-radius: 22px; padding: 2.5rem 2.2rem;
  border: 1px solid var(--borde); display: flex; flex-direction: column;
  transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans), background var(--trans);
}
.plan:hover {
  transform: translateY(-6px); box-shadow: var(--sombra);
  border-color: var(--borde-fuerte); background: var(--superficie-2);
}
.plan__name { font-size: 1.45rem; font-weight: 700; color: var(--texto); margin-bottom: .9rem; }
.plan__badge {
  display: inline-block; margin: 0 0 1.6rem;
  font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--texto-suave); background: var(--acento-tinte);
  border: 1px solid rgba(255, 255, 255, .14);
  padding: .35rem .85rem; border-radius: var(--radio-pill);
}
/* La etiqueta de los planes presenciales lleva a la explicacion de la cuota */
.plan__badge--link { cursor: pointer; transition: color var(--trans), border-color var(--trans), background var(--trans); }
.plan__badge--link::after { content: ' ↓'; opacity: .7; }
.plan__badge--link:hover {
  color: var(--texto); border-color: rgba(255, 255, 255, .4); background: rgba(255, 255, 255, .13);
}
.plan__list { display: grid; gap: .9rem; margin-bottom: 2.2rem; flex: 1; }
.plan__list li { position: relative; padding-left: 1.5rem; font-size: .97rem; color: var(--texto-suave); }
.plan__list li::before {
  content: '•'; position: absolute; left: .3rem; top: -.15rem;
  color: var(--texto); font-size: 1.25rem; line-height: 1.5;
}
.plan__nota {
  display: block; margin-top: .45rem; font-size: .88rem; line-height: 1.5;
  color: var(--texto-tenue); border-left: 2px solid var(--borde-fuerte); padding-left: .8rem;
}

/* Botón de WhatsApp: sin mayúsculas */
.plan .btn--wa { align-self: flex-start; }
.btn--wa {
  background: var(--acento); color: var(--sobre-acento);
  text-transform: none; letter-spacing: normal;
  font-size: .95rem; font-weight: 600; padding: .85rem 1.6rem;
}
.btn--wa:hover { background: var(--acento-apag); transform: translateY(-3px); box-shadow: var(--brillo); }
.btn--wa svg { width: 18px; height: 18px; flex: none; }

/* ---------- Galería ----------
   Flex en vez de rejilla: al ser cinco piezas, ninguna rejilla las reparte
   en filas parejas. Asi la fila incompleta queda centrada y no descolgada. */
.galeria { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.2rem; }
.galeria__item {
  margin: 0; aspect-ratio: 3 / 4; overflow: hidden;
  border-radius: var(--radio); border: 1px solid var(--borde);
  flex: 1 1 200px; max-width: 232px;
}
.galeria__item img,
.galeria__item video { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform var(--trans); }
.galeria__item:hover img { transform: scale(1.05); }

/* Distintivo de video, para que se note que no es una foto */
.galeria__item--video { position: relative; }
.galeria__item--video::after {
  content: 'Video'; position: absolute; left: .9rem; bottom: .9rem;
  font-size: .68rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--texto); background: rgba(10, 10, 10, .68);
  border: 1px solid rgba(255, 255, 255, .22);
  padding: .3rem .7rem; border-radius: var(--radio-pill);
  backdrop-filter: blur(6px); pointer-events: none;
}

/* ---------- Aviso de la cuota del gimnasio ---------- */
.aviso {
  margin-top: 1.6rem; scroll-margin-top: calc(var(--header-h) + 20px);
  background: var(--superficie); border: 1px solid var(--borde-fuerte);
  border-radius: var(--radio); padding: clamp(1.6rem, 3vw, 2.2rem);
}
.aviso h3 { font-size: 1.12rem; margin-bottom: .9rem; }
.aviso p { color: var(--texto-suave); font-size: .97rem; }
.aviso p:last-child { margin-bottom: 0; }
.aviso strong { color: var(--texto); font-weight: 600; }
.aviso ul { display: grid; gap: .75rem; margin: 1.1rem 0 1.3rem; }
.aviso li { position: relative; padding-left: 1.5rem; color: var(--texto-suave); font-size: .97rem; }
.aviso li::before {
  content: '•'; position: absolute; left: .3rem; top: -.15rem;
  color: var(--texto); font-size: 1.25rem; line-height: 1.5;
}
.aviso__nota {
  display: block; margin-top: .55rem; font-size: .9rem; line-height: 1.55;
  color: var(--texto-tenue); border-left: 2px solid var(--borde-fuerte); padding-left: .8rem;
}

/* ---------- FAQ ---------- */
.faq { display: grid; gap: .8rem; }
.faq__item {
  background: var(--superficie); border: 1px solid var(--borde); border-radius: 14px; padding: 1.15rem 1.5rem;
  transition: border-color var(--trans);
}
.faq__item[open], .faq__item:hover { border-color: var(--borde-fuerte); }
.faq__item summary {
  cursor: pointer; font-weight: 600; color: var(--texto); list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: '+'; color: var(--texto-suave); font-size: 1.5rem; font-weight: 700; line-height: 1; transition: transform var(--trans); }
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p { margin: .9rem 0 0; color: var(--texto-suave); font-size: .97rem; }

/* ---------- Contacto ---------- */
.contacto { text-align: center; max-width: 720px; margin-inline: auto; }
.contacto__acciones {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; margin-top: 2.4rem;
}
.contacto__acciones .btn { padding: 1.05rem 2.1rem; font-size: 1rem; }
.btn--ig {
  border-color: var(--borde-fuerte); color: var(--texto); background: transparent;
  text-transform: none; letter-spacing: normal; font-size: .95rem; font-weight: 600;
}
.btn--ig:hover {
  transform: translateY(-3px); background: var(--acento); color: var(--sobre-acento);
  border-color: var(--acento); box-shadow: var(--brillo);
}
.btn--ig svg { width: 19px; height: 19px; flex: none; }

/* ---------- Footer ---------- */
.footer {
  background: #050505; color: var(--texto-suave);
  border-top: 1px solid var(--borde);
  padding: clamp(50px, 6vw, 80px) 0 2rem;
}
.footer__inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2.5rem; }
.footer__brand p { margin-top: 1.1rem; max-width: 34ch; font-size: .95rem; }
.footer__col h4 { color: #fff; font-size: .95rem; margin-bottom: 1rem; letter-spacing: .04em; }
.footer__col ul { display: grid; gap: .6rem; font-size: .94rem; }
.footer__col a:hover { color: #fff; }
.footer__bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;
  border-top: 1px solid var(--borde); margin-top: 3rem; padding-top: 1.6rem; font-size: .88rem;
  color: var(--texto-tenue);
}
.footer__bottom p { margin: 0; }
.footer__top:hover { color: #fff; }

/* ---------- Botón flotante ---------- */
.fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  display: inline-flex; align-items: center; gap: .6rem;
  background: var(--acento); color: var(--sobre-acento); padding: .95rem 1.4rem;
  border-radius: var(--radio-pill); font-weight: 700; font-size: .84rem;
  box-shadow: 0 16px 40px rgba(0, 0, 0, .6);
  opacity: 0; transform: translateY(20px); pointer-events: none;
  transition: opacity var(--trans), transform var(--trans), background var(--trans);
}
.fab.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.fab:hover { background: var(--acento-apag); }
.fab svg { width: 18px; height: 18px; flex: none; }

/* ---------- Foco visible (accesibilidad) ---------- */
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--acento); outline-offset: 3px; border-radius: 4px;
}

/* ---------- Animaciones de entrada ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s cubic-bezier(.22,.61,.36,1); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee__track { animation: none; }
  * { transition-duration: .01ms !important; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1080px) {
  .hero__media { inset: 0 0 0 40%; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  :root { --header-h: 76px; }

  .burger { display: flex; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--fondo-alt); padding: 1.2rem 1.5rem 2rem;
    border-bottom: 1px solid var(--borde);
    box-shadow: 0 24px 50px rgba(0,0,0,.7);
    transform: translateY(-130%); transition: transform var(--trans);
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .nav.is-open { transform: translateY(0); }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__list a { display: block; padding: .95rem 0; border-bottom: 1px solid var(--borde); font-size: 1.05rem; }
  .nav__list a::after { display: none; }
  .nav__cta { margin-top: 1.4rem; }

  /* El hero deja de ser dos columnas: la foto pasa debajo del texto */
  .hero { min-height: auto; padding-bottom: 0; flex-direction: column; align-items: stretch; }
  .hero__media {
    position: relative; inset: auto; width: 100%;
    margin-top: 2.5rem; height: 62vw; max-height: 460px;
  }
  .hero__media .img-slot { border-radius: 0; }
  .hero__fade { background: linear-gradient(180deg, var(--fondo) 0%, rgba(10,10,10,0) 32%, rgba(10,10,10,.75) 100%); }
  .hero__inner { order: -1; }
  .hero__content { max-width: none; }
  .plus { display: none; }

  .grid-2 { grid-template-columns: 1fr; }
  .img-slot--portrait { aspect-ratio: 4 / 3; }
  .plans { grid-template-columns: 1fr; }
  .galeria__item { flex: 1 1 calc(50% - .6rem); max-width: none; }
}

@media (max-width: 560px) {
  .hero__actions .btn { width: 100%; }
  .contacto__acciones .btn { width: 100%; }
  .plan { padding: 2rem 1.6rem; }
  .plan__name { font-size: 1.3rem; }
  .footer__inner { grid-template-columns: 1fr; }
  .fab span { display: none; }
  .fab { padding: 1rem; }
}