/* --------------------------------------------
   VARIABLES GLOBALES DE COLOR
   Todas las decisiones cromáticas están aquí.
   Comentario de cada una:
   --bg           : fondo principal de la página
   --bg-2, --bg-3 : variantes de fondo para secciones alternas
   --surface      : color de superficies elevadas (tarjetas, inputs)
   --bg-darker    : fondo más oscuro para footer o elementos destacados
   --text         : color de texto estándar
   --text-strong  : texto con más contraste (títulos, negritas)
   --text-on-dark : texto que va siempre sobre fondos oscuros (botones, logo)
   --text-rgb     : versión RGB de --text para usar con rgba()
   --text-on-dark-rgb : versión RGB de --text-on-dark
   --muted        : texto secundario / desactivado
   --muted-soft   : texto terciario (menos contraste)
   --muted-weak   : texto muy suave (ej. años, etiquetas pequeñas)
   --muted-alt    : alternativa de gris medio
   --muted-strong : gris más oscuro para leer con más peso
   --accent       : color principal de llamada a la acción (verde)
   --accent-strong: variante más oscura del acento (para hover, bordes)
   --accent-hover : acento al pasar el ratón
   --accent-rgb   : versión RGB del acento
   --scrim-rgb    : RGB del negro para fondos semitransparentes
   --border-soft  : borde muy sutil (blanco/negro con baja opacidad)
   --border-subtle: borde más visible pero sin ser fuerte
   --hero-image   : URL de la imagen de fondo del héroe
   -------------------------------------------- */

:root {
  color-scheme: dark;
  --bg: #0A0A0A;
  --bg-2: #0D0D0D;
  --bg-3: #111111;
  --surface: #141414;
  --bg-darker: #070707;
  --whitec: #F0F0F0;
  --text: #F0F0F0;
  --text-strong: #E0E0E0;
  --text-on-dark: #FFFFFF;
  --text-rgb: 240 240 240;
  --text-on-dark-rgb: 255 255 255;
  --muted: #888888;
  --muted-soft: #999999;
  --muted-weak: #777777;
  --muted-alt: #AAAAAA;
  --muted-strong: #CCCCCC;
  --accent: #03c5a1;
  --accent-strong: #04b18f;
  --accent-hover: #0fd1ae;
  --accent-rgb: 0 210 130;
  --scrim-rgb: 10 10 10;
  --border-soft: rgba(255,255,255,0.06);
  --border-subtle: rgba(255,255,255,0.10);
  --hero-image: url('foto1.jpg');
}

html[data-theme="light"],
body[data-theme="light"] {
  color-scheme: light;
  --bg: #F7F7F7;
  --bg-2: #FFFFFF;
  --bg-3: #F1F1F1;
  --surface: #FFFFFF;
  --bg-darker: #ECECEC;
  --text: #1A1A1A;
  --text-strong: #111111;
  --text-on-dark: #FFFFFF;
  --text-rgb: 26 26 26;
  --text-on-dark-rgb: 255 255 255;
  --muted: #666666;
  --muted-soft: #777777;
  --muted-weak: #888888;
  --muted-alt: #555555;
  --muted-strong: #444444;
  --accent: #03c5a1;
  --accent-strong: #04b18f;
  --accent-hover: #0fd1ae;
  --accent-rgb: 10 159 99;
  --scrim-rgb: 10 10 10;
  --border-soft: rgba(0,0,0,0.08);
  --border-subtle: rgba(0,0,0,0.12);
}

/* Reset y estilos base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: 'Barlow', sans-serif; overflow-x: hidden; }

/* ---------- NAVBAR ---------- */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background 0.4s, backdrop-filter 0.4s, box-shadow 0.4s;
}
#navbar.scrolled {
  background: rgba(var(--scrim-rgb),0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border-soft);
}
.nav-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 4px;
  transition: transform 0.25s;
}
.nav-logo:hover { transform: scale(1.05); }
.nav-link {
  position: relative;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  font-size: 0.82rem;
  color: var(--text);
  transition: color 0.25s;
  text-decoration: none;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s;
}
.nav-link:hover { color: var(--text-on-dark); }
.nav-link:hover::after { width: 100%; }
.nav-ig-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--accent);
  text-decoration: none;
  transition: color 0.25s, opacity 0.25s;
  opacity: 0.85;
}
.nav-ig-link:hover { color: var(--text-on-dark); opacity: 1; }

/* ---------- HERO (con imagen corregida en móvil) ---------- */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: 5rem;
  padding-bottom: 4rem;
  position: relative;
  isolation: isolate;
}
@media (max-width: 767px) {
  #hero {
    padding-top: 3.5rem;
    padding-bottom: 3rem;
    min-height: 100svh;
  }
}
/* Capa de imagen de fondo */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--hero-image);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -2;
}
/* Gradiente superpuesto */
#hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(var(--scrim-rgb),0.2) 0%, rgba(var(--scrim-rgb),0.65) 55%, rgba(10,10,10,1) 100%);
  z-index: -1;
}
.hero-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(3rem, 12vw, 11rem);
  line-height: 0.88;
  letter-spacing: 0.02em;
  background: linear-gradient(135deg, var(--text-on-dark) 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.65rem;
  color: rgba(var(--text-on-dark-rgb),0.9);
  background: rgba(var(--accent-rgb),0.10);
  border: 1px solid rgba(3, 197, 161, 0.45);
  padding: 0.38rem 0.8rem;
  border-radius: 2px;
  transition: border-color 0.2s, background 0.2s;
  white-space: nowrap;
}
.hero-badge:hover {
  border-color: var(--accent);
  background: rgba(var(--accent-rgb),0.18);
}
@media (max-width: 480px) {
  .hero-badges {
    gap: 0.45rem;
  }
  .hero-badge {
    font-size: 0.6rem;
    padding: 0.33rem 0.65rem;
  }
}
.scroll-cue {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  opacity: 0.45;
  animation: bounce 2.2s infinite;
}
@keyframes bounce {
  0%,100%{transform:translateX(-50%) translateY(0)}
  50%{transform:translateX(-50%) translateY(9px)}
}

/* ---------- COMPONENTES GENERALES ---------- */
.section-tag {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  font-size: 0.7rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.45rem;
}
.section-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 0.94;
  letter-spacing: 0.02em;
  color: var(--text-on-dark);
}
.accent-line {
  width: 3rem;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: 1.1rem 0 1.5rem;
}
.stat-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 3rem;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.65rem;
  color: var(--muted-weak);
}

/* ---------- GALERÍA DE FOTOS ---------- */
.photo-gallery { background: var(--bg); }
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 0.5rem;
}
.gallery-item--tall { grid-row: 1 / 3; }
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: var(--surface);
  aspect-ratio: 4/5;
}
.gallery-item--tall { aspect-ratio: unset; }
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.gallery-item:hover img { transform: scale(1.04); }
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(var(--scrim-rgb),0.55) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: 1rem 1.2rem;
  opacity: 0;
  transition: opacity 0.35s;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.7rem;
  color: var(--accent);
}
@media (max-width: 767px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .gallery-item--tall { grid-row: auto; aspect-ratio: 16/9; }
  .gallery-item { aspect-ratio: 16/9; }
}

/* ---------- RESULTADOS (desplegables) ---------- */
.result-cat { border-bottom: 1px solid var(--border-soft); }
.result-cat-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  cursor: pointer;
  background: none;
  border: none;
  text-align: left;
}
.result-cat-btn:hover .cat-label { color: var(--accent); }
.cat-label {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--text-on-dark);
  transition: color 0.25s;
}
.cat-arrow { color: var(--accent); transition: transform 0.3s; font-size: 1rem; }
.cat-arrow.open { transform: rotate(180deg); }
.result-list { display: none; padding-bottom: 1rem; }
.result-list.open { display: block; }
.result-list li {
  font-size: 0.9rem;
  color: var(--muted-soft);
  padding: 0.2rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-weight: 300;
  line-height: 1.2;
}
.result-list li:last-child { border-bottom: none; }

/* ---------- ENTRENAMIENTOS ---------- */
#entrenamientos {
  background: linear-gradient(160deg, var(--surface) 0%, var(--bg-2) 100%);
  position: relative;
  overflow: hidden;
}
#entrenamientos::before {
  content: 'TRI';
  font-family: 'Bebas Neue', sans-serif;
  font-size: 28vw;
  color: rgba(255,255,255,0.015);
  position: absolute;
  right: -3vw;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  line-height: 1;
  white-space: nowrap;
}
.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-soft);
}
.benefit-item:last-child { border-bottom: none; }
.benefit-check {
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
  background: rgba(var(--accent-rgb),0.1);
  border: 1px solid rgba(var(--accent-rgb),0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.training-cards-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
@media (max-width: 767px) { .training-cards-layout { grid-template-columns: 1fr; } }
.training-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 1.75rem;
  transition: border-color 0.3s, background 0.3s;
}
.training-card:hover {
  border-color: rgba(var(--accent-rgb),0.3);
  background: rgba(var(--accent-rgb),0.04);
}
.training-card-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(var(--accent-rgb),0.1);
  border: 1px solid rgba(var(--accent-rgb),0.2);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.training-card-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  color: var(--text-on-dark);
  margin-bottom: 0.6rem;
}
.training-card-desc {
  font-size: 0.9rem;
  color: var(--muted-soft);
  font-weight: 300;
  line-height: 1.65;
  margin-bottom: 1.2rem;
}
.training-card-link {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}
.training-card-link:hover { color: var(--text-on-dark); }

/* ---------- FAQ ---------- */
.faq-list { border-top: 1px solid var(--border-soft); }
.faq-item { border-bottom: 1px solid var(--border-soft); }
.faq-btn {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0;
  cursor: pointer;
  background: none;
  border: none;
  text-align: left;
  font-family: 'Barlow', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-strong);
  transition: color 0.25s;
  line-height: 1.4;
}
.faq-btn:hover { color: var(--accent); }
.faq-arrow {
  color: var(--accent);
  font-size: 0.9rem;
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-top: 0.15rem;
}
.faq-arrow.open { transform: rotate(180deg); }
.faq-answer { display: none; padding-bottom: 1.2rem; }
.faq-answer.open { display: block; }
.faq-answer p {
  font-size: 0.93rem;
  color: var(--muted-soft);
  font-weight: 300;
  line-height: 1.75;
}
.faq-answer strong { color: var(--muted-strong); font-weight: 600; }

/* ---------- BOTONES ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--accent);
  color: var(--text-on-dark);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.88rem;
  padding: 0.9rem 2rem;
  border-radius: 3px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.25s, transform 0.2s, border-color 0.2s;
  text-decoration: none;
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  border-color: rgba(var(--text-on-dark-rgb),0.2);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--text-on-dark);
  padding: 0.9rem 1.8rem;
  border: 1.5px solid rgba(3, 197, 161, 0.55);
  border-radius: 3px;
  transition: border-color 0.3s, color 0.3s, background 0.3s;
  text-decoration: none;
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(3, 197, 161, 0.06);
}
/* Estilos para inputs y selects */
select {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300d282' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  cursor: pointer;
}
select option { background: var(--surface); color: var(--text-on-dark); }

/* ---------- MENÚ MÓVIL ---------- */
#mobile-menu { display: none; }
#mobile-menu.open { display: flex; }
#menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(var(--scrim-rgb),0.55);
  backdrop-filter: blur(4px);
  z-index: 90;
}
#menu-overlay.open { display: block; }

/* ---------- FOOTER ---------- */
.footer-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  opacity: 0.7;
  transition: opacity 0.25s;
  border-radius: 4px;
}
.footer-logo:hover { opacity: 1; }
.footer-ig {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.82rem;
  color: var(--accent);
  text-decoration: none;
  transition: color 0.25s, opacity 0.25s;
  opacity: 0.9;
}
.footer-ig:hover { color: var(--text-on-dark); opacity: 1; }

/* ---------- ANIMACIONES GENERALES ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ---------- PÁGINA DE GRACIAS (layout específico) ---------- */
.page {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 100vh;
}
@media (min-width: 768px) { .page { grid-template-columns: 1fr 1fr; } }
.photo-col {
  position: relative;
  min-height: 40vh;
  overflow: hidden;
}
@media (min-width: 768px) {
  .photo-col {
    min-height: 100vh;
    position: sticky;
    top: 0;
    height: 100vh;
  }
}
.photo-col img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}
.photo-col::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(var(--scrim-rgb),0.2) 0%, rgba(var(--scrim-rgb),0.1) 40%, rgba(var(--scrim-rgb),0.85) 100%);
}
@media (min-width: 768px) {
  .photo-col::after {
    background: linear-gradient(to right, rgba(var(--scrim-rgb),0) 60%, rgba(var(--scrim-rgb),0.95) 100%);
  }
}
.photo-label {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 2;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.65rem;
  color: rgba(var(--text-on-dark-rgb),0.5);
}
.green-bar {
  position: absolute;
  top: 0;
  right: 0;
  width: 3px;
  height: 100%;
  background: var(--accent);
  z-index: 3;
  display: none;
}
@media (min-width: 768px) { .green-bar { display: block; } }
.content-col {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 3rem 2rem;
}
@media (min-width: 768px) {
  .content-col { padding: 4rem 3.5rem; max-width: 560px; }
}
@media (min-width: 1024px) { .content-col { padding: 4rem 5rem; } }
.check-wrap {
  width: 3.5rem;
  height: 3.5rem;
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  animation: pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
@keyframes pop {
  from { transform: scale(0.5); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}
.main-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(3.5rem, 10vw, 6rem);
  line-height: 0.9;
  letter-spacing: 0.02em;
  color: var(--text-on-dark);
  animation: slideUp 0.6s ease both 0.1s;
}
.main-title span { color: var(--accent); }
@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}
.promise-box {
  background: rgba(var(--accent-rgb),0.05);
  border: 1px solid rgba(var(--accent-rgb),0.15);
  border-left: 3px solid var(--accent);
  border-radius: 3px;
  padding: 1rem 1.2rem;
  margin-bottom: 2.5rem;
  font-size: 0.88rem;
  color: var(--muted-alt);
  font-weight: 300;
  line-height: 1.6;
  animation: slideUp 0.6s ease both 0.3s;
}
.promise-box strong { color: var(--accent); font-weight: 600; }
.instagram-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 500;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: var(--muted-weak);
  text-decoration: none;
  transition: color 0.25s;
  animation: slideUp 0.6s ease both 0.5s;
}
.instagram-row:hover { color: var(--accent); }

/* ---------- Ajustes para pantallas táctiles ---------- */
@media (max-width: 767px) {
  .faq-btn, .result-cat-btn, .btn-primary, .btn-outline, .nav-link {
    min-height: 48px;
  }
  #entrenamientos::before { display: none; }
}

/* ---------- Accesibilidad ---------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}