/* =====================================================================
   GIMNASIO FÉNIX — Hoja de estilos principal
   Identidad: negro intenso (#050505) + amarillo deportivo (#FFD400)
   ===================================================================== */

:root {
  --gf-black: #050505;
  --gf-black-2: #0d0d0d;
  --gf-graphite: #161616;
  --gf-graphite-2: #1f1f1f;
  --gf-gray: #2a2a2a;
  --gf-yellow: #FFD400;
  --gf-yellow-dark: #E0B900;
  --gf-white: #F5F5F5;
  --gf-font-display: 'Oswald', sans-serif;
  --gf-font-body: 'Montserrat', sans-serif;
}

* { box-sizing: border-box; }

body.gf-body {
  background-color: var(--gf-black);
  color: var(--gf-white);
  font-family: var(--gf-font-body);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .gf-heading {
  font-family: var(--gf-font-display);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

a { text-decoration: none; }

.text-gf-yellow { color: var(--gf-yellow) !important; }
.bg-gf-black { background-color: var(--gf-black) !important; }
.bg-gf-graphite { background-color: var(--gf-graphite) !important; }

/* ---------- Botones ---------- */
.gf-btn-primary {
  background-color: var(--gf-yellow);
  color: var(--gf-black) !important;
  font-weight: 700;
  border: 2px solid var(--gf-yellow);
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 2px;
  transition: all .2s ease;
}
.gf-btn-primary:hover {
  background-color: transparent;
  color: var(--gf-yellow) !important;
}
.gf-btn-outline {
  background-color: transparent;
  color: var(--gf-white) !important;
  font-weight: 700;
  border: 2px solid var(--gf-white);
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 2px;
  transition: all .2s ease;
}
.gf-btn-outline:hover {
  background-color: var(--gf-white);
  color: var(--gf-black) !important;
}

/* ---------- Navbar ---------- */
.gf-navbar {
  background-color: rgba(5,5,5,0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--gf-gray);
  padding-top: .75rem;
  padding-bottom: .75rem;
}
.gf-navbar-spacer { height: 76px; }
.gf-brand { font-family: var(--gf-font-display); font-size: 1.5rem; font-weight: 700; }
.gf-brand-fenix { color: var(--gf-white); }
.gf-brand-gym { color: var(--gf-yellow); }
.gf-brand-logo { height: 44px; width: auto; max-width: 220px; object-fit: contain; display: block; }
.gf-navbar .nav-link {
  color: #d8d8d8;
  font-weight: 600;
  text-transform: uppercase;
  font-size: .85rem;
  letter-spacing: .5px;
  padding: .5rem 1rem;
}
.gf-navbar .nav-link:hover, .gf-navbar .nav-link.active { color: var(--gf-yellow); }

/* ---------- Hero ---------- */
.gf-hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-color: var(--gf-black-2);
}
.gf-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5,5,5,.55) 0%, rgba(5,5,5,.85) 75%, rgba(5,5,5,1) 100%);
}
.gf-hero-content { position: relative; z-index: 2; }
.gf-hero-title {
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1;
  color: var(--gf-white);
}
.gf-hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.9rem);
  color: var(--gf-yellow);
  font-weight: 700;
  letter-spacing: 2px;
}
.gf-hero-text { color: #cfcfcf; font-size: 1.1rem; max-width: 560px; }

/* ---------- Secciones ---------- */
.gf-section { padding: 5rem 0; }
.gf-section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--gf-white);
}
.gf-section-title .accent { color: var(--gf-yellow); }
.gf-section-subtitle { color: #a8a8a8; max-width: 680px; }
.gf-eyebrow {
  color: var(--gf-yellow);
  font-weight: 700;
  letter-spacing: 3px;
  font-size: .8rem;
  text-transform: uppercase;
}

/* ---------- Cards ---------- */
.gf-card {
  background-color: var(--gf-graphite);
  border: 1px solid var(--gf-gray);
  border-radius: 6px;
  transition: transform .25s ease, border-color .25s ease;
  height: 100%;
}
.gf-card:hover { transform: translateY(-6px); border-color: var(--gf-yellow); }
.gf-card-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,212,0,.12);
  color: var(--gf-yellow);
  border-radius: 50%;
  font-size: 1.5rem;
}

/* ---------- Planes ---------- */
.gf-plan-card {
  background-color: var(--gf-graphite);
  border: 1px solid var(--gf-gray);
  border-radius: 8px;
  position: relative;
  height: 100%;
}
.gf-plan-card.featured {
  border-color: var(--gf-yellow);
  transform: scale(1.03);
  box-shadow: 0 0 40px rgba(255,212,0,.15);
}
.gf-plan-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--gf-yellow); color: var(--gf-black);
  font-weight: 700; font-size: .75rem; padding: .3rem 1rem;
  border-radius: 20px; text-transform: uppercase; white-space: nowrap;
}
.gf-plan-price { font-size: 2.4rem; font-weight: 800; color: var(--gf-yellow); }

/* ---------- Instructores ---------- */
.gf-instructor-photo {
  width: 100%; aspect-ratio: 3/4; object-fit: cover; border-radius: 6px;
  filter: grayscale(20%);
}

/* ---------- Galería ---------- */
.gf-gallery-item { border-radius: 6px; overflow: hidden; position: relative; cursor: pointer; }
.gf-gallery-item img { width: 100%; height: 260px; object-fit: cover; transition: transform .3s ease; }
.gf-gallery-item:hover img { transform: scale(1.08); }
.gf-gallery-overlay {
  position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0,0,0,.75), transparent 60%);
  display: flex; align-items: flex-end; padding: 1rem; opacity: 0; transition: opacity .25s;
}
.gf-gallery-item:hover .gf-gallery-overlay { opacity: 1; }

/* ---------- Testimonios ---------- */
.gf-testimonial-card { background: var(--gf-graphite); border: 1px solid var(--gf-gray); border-radius: 8px; padding: 2rem; }

/* ---------- Footer ---------- */
.gf-footer { background: var(--gf-black-2); border-top: 1px solid var(--gf-gray); }
.gf-footer-brand { font-family: var(--gf-font-display); font-weight: 800; color: var(--gf-white); }
.gf-footer-links li { margin-bottom: .5rem; }
.gf-footer-links a { color: #a8a8a8; }
.gf-footer-links a:hover { color: var(--gf-yellow); }

/* ---------- WhatsApp flotante ---------- */
.gf-whatsapp-float {
  position: fixed; bottom: 24px; z-index: 1050;
  width: 58px; height: 58px; background: #25D366; color: #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; box-shadow: 0 4px 16px rgba(0,0,0,.4);
  animation: gf-pulse 2.2s infinite;
}
.gf-whatsapp-right { right: 24px; }
.gf-whatsapp-left { left: 24px; }
@keyframes gf-pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,.5); }
  70% { box-shadow: 0 0 0 14px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* ---------- Anuncio urgente ---------- */
.gf-announcement-modal { background: var(--gf-graphite); border: 1px solid var(--gf-yellow); color: var(--gf-white); }

/* Modo afiche: la imagen subida es el anuncio completo (como un flyer), con un
   botón "Cerrar" flotante arriba en vez del encabezado de texto habitual. */
.gf-announcement-modal.has-image { border: none; background: transparent; overflow: visible; }
.gf-announcement-img { display: block; width: 100%; border-radius: 10px; }
.gf-announcement-close {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  background: var(--gf-yellow);
  color: #000;
  border: none;
  border-radius: 999px;
  padding: .45rem 1.75rem;
  font-weight: 700;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  box-shadow: 0 3px 10px rgba(0,0,0,.4);
}
.gf-announcement-close:hover { filter: brightness(0.92); }

/* ---------- FAQ ---------- */
.gf-accordion .accordion-item { background: var(--gf-graphite); border: 1px solid var(--gf-gray); margin-bottom: .5rem; border-radius: 6px !important; overflow: hidden; }
.gf-accordion .accordion-button { background: var(--gf-graphite); color: var(--gf-white); font-weight: 600; }
.gf-accordion .accordion-button:not(.collapsed) { color: var(--gf-yellow); background: var(--gf-graphite-2); }
.gf-accordion .accordion-button:focus { box-shadow: none; }
.gf-accordion .accordion-body { color: #b8b8b8; }

/* ---------- Formularios ---------- */
.gf-form-control {
  background: var(--gf-graphite); border: 1px solid var(--gf-gray); color: var(--gf-white);
}
.gf-form-control:focus { background: var(--gf-graphite); color: var(--gf-white); border-color: var(--gf-yellow); box-shadow: 0 0 0 .2rem rgba(255,212,0,.15); }
.gf-form-control::placeholder { color: #888; }

/* ---------- Tablas Bootstrap sobre fondo oscuro ---------- */
/* Bootstrap 5.3 define el color/fondo de .table mediante variables propias
   (--bs-table-bg, --bs-table-color), y --bs-table-bg toma por defecto el
   valor de --bs-body-bg (blanco). Sobrescribimos las variables Y además
   forzamos background/color con !important directamente en las celdas,
   para que la tabla se vea correctamente incluso si el navegador tiene
   en caché una versión anterior de este archivo o si algún otro estilo
   redefine las variables de Bootstrap más adelante. */
.gf-body .table,
.gf-body table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--gf-white);
  --bs-table-striped-bg: rgba(255,255,255,.04);
  --bs-table-striped-color: var(--gf-white);
  --bs-table-hover-bg: rgba(255,255,255,.06);
  --bs-table-hover-color: var(--gf-white);
  --bs-table-border-color: var(--gf-gray);
  background-color: transparent !important;
  color: var(--gf-white) !important;
}
.gf-body .table > :not(caption) > * > *,
.gf-body table > :not(caption) > * > *,
.gf-body .table td,
.gf-body .table th,
.gf-body table td,
.gf-body table th {
  background-color: transparent !important;
  color: var(--gf-white) !important;
  border-color: var(--gf-gray) !important;
}

/* ---------- Utilidades ---------- */
.gf-divider { width: 60px; height: 4px; background: var(--gf-yellow); border-radius: 2px; }
.gf-bg-pattern { background: radial-gradient(circle at 20% 20%, rgba(255,212,0,.06), transparent 40%); }