/* ================================================================
   Castro Gym — Hoja de estilos
   Manual de Identidad: Negro #000000 (PANTONE BLACK C)
                        Amarillo #f5da31 (PANTONE 108 C)
                        Tipografía: Barlow Condensed (Visby CF alt.)
   ================================================================ */

/* ----------------------------------------------------------------
   1. CUSTOM PROPERTIES — fieles al manual de marca
   ---------------------------------------------------------------- */
:root {
  /* Paleta oficial Castro Gym (solo dos colores) */
  --black:       #000000;
  --black-2:     #0a0a0a;
  --black-3:     #111111;
  --black-card:  #0d0d0d;
  --border:      rgba(255,255,255,.07);

  /* Amarillo corporativo — PANTONE 108 C / #f5da31 */
  --brand:       #f5da31;
  --brand-hover: #ffe03a;
  --brand-dark:  #c9b81a;
  --brand-dim:   rgba(245,218,49,.15);
  --brand-glow:  rgba(245,218,49,.3);

  /* Texto */
  --text-white:     #ffffff;
  --text-secondary: #888888;
  --text-muted:     #444444;

  /* Tipografía — Barlow Condensed (sustituto de Visby CF) */
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'Barlow', sans-serif;

  /* Layout */
  --section-py: clamp(4rem, 8vw, 7rem);
  --container:  1200px;

  /* Radios — angulares, industriales (no pills) */
  --radius-xs:  2px;
  --radius-sm:  4px;
  --radius-md:  6px;
  --radius-lg:  8px;

  /* Transiciones */
  --ease:  cubic-bezier(.25,.46,.45,.94);
  --fast:  180ms var(--ease);
  --med:   350ms var(--ease);
  --slow:  600ms var(--ease);
}

/* ----------------------------------------------------------------
   2. RESET
   ---------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--black);
  color: var(--text-white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
address { font-style: normal; }

/* ----------------------------------------------------------------
   3. UTILIDADES
   ---------------------------------------------------------------- */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

/* Texto marca amarillo (reemplaza gradient-text) */
.brand-text,
.gradient-text {
  color: var(--brand);
  -webkit-text-fill-color: var(--brand);
  background: none;
}

/* Etiqueta de sección — amarilla sólida, negro texto */
.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--brand);
  padding: .25rem .75rem;
  border-radius: var(--radius-xs);
  margin-bottom: .9rem;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -.01em;
  line-height: 1.05;
  margin-bottom: .6rem;
}

.section-header p {
  color: var(--text-secondary);
  max-width: 560px;
  margin-inline: auto;
  font-size: 1rem;
}

/* ----------------------------------------------------------------
   4. BOTONES
   ---------------------------------------------------------------- */

/* Botón principal de marca — amarillo sólido, negro texto */
.btn-neon {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .95rem 2.2rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--brand);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: background var(--fast), transform var(--fast), box-shadow var(--fast);
  white-space: nowrap;
  z-index: 0;
}

.btn-neon::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.12);
  opacity: 0;
  transition: opacity var(--fast);
}

.btn-neon:hover,
.btn-neon:focus-visible {
  background: var(--brand-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px var(--brand-glow), 0 4px 12px rgba(0,0,0,.5);
}

.btn-neon:hover::after { opacity: 1; }
.btn-neon:active { transform: translateY(0); }

/* Shine sweep */
.btn-neon-shine {
  position: absolute;
  top: -50%;
  left: -75%;
  width: 50%;
  height: 200%;
  background: linear-gradient(to right, transparent, rgba(255,255,255,.28), transparent);
  transform: skewX(-20deg);
  animation: shine 3s infinite;
  z-index: 1;
}

@keyframes shine {
  0%   { left: -75%; }
  100% { left: 130%; }
}

/* Versión grande */
.btn-neon-large {
  padding: 1.2rem 3rem;
  font-size: 1.2rem;
}

/* Botón outline blanco */
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .9rem 2rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--text-white);
  border: 2px solid rgba(255,255,255,.3);
  border-radius: var(--radius-sm);
  transition: border-color var(--fast), color var(--fast), background var(--fast);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  border-color: var(--brand);
  color: var(--brand);
  background: rgba(245,218,49,.06);
}

/* Botón nav agenda */
.btn-agenda-nav {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem 1.1rem;
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  background: var(--brand);
  color: var(--black);
  border-radius: var(--radius-sm);
  transition: transform var(--fast), box-shadow var(--fast), background var(--fast);
  white-space: nowrap;
}

.btn-agenda-nav:hover {
  background: var(--brand-hover);
  transform: scale(1.03);
  box-shadow: 0 4px 16px var(--brand-glow);
}

/* Botón submit formulario */
.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  width: 100%;
  justify-content: center;
  padding: .9rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--brand);
  border-radius: var(--radius-sm);
  transition: background var(--fast), transform var(--fast), box-shadow var(--fast);
  margin-top: .5rem;
}

.btn-submit:hover {
  background: var(--brand-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--brand-glow);
}

/* ----------------------------------------------------------------
   5. HEADER / NAVBAR
   ---------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--med), box-shadow var(--med);
}

.site-header.scrolled {
  background: rgba(0,0,0,.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border), 0 4px 24px rgba(0,0,0,.6);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--container);
  margin-inline: auto;
  padding: .85rem clamp(1rem, 4vw, 2rem);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: .7rem;
}

.logo img {
  width: 46px;
  height: 46px;
  border-radius: 2px;
  object-fit: cover;
  border: 2px solid var(--brand);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-main {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--brand);
}

.logo-sub {
  font-family: var(--font-display);
  font-size: .55rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
}

/* Nav links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: .1rem;
  list-style: none;
}

.nav-link {
  display: block;
  padding: .4rem .7rem;
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border-radius: var(--radius-xs);
  transition: color var(--fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: .7rem; right: .7rem;
  height: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transition: transform var(--fast);
  transform-origin: left;
}

.nav-link:hover,
.nav-link.active { color: var(--text-white); }

.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text-white);
  border-radius: 1px;
  transition: transform var(--med), opacity var(--med);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ----------------------------------------------------------------
   6. HERO
   ---------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 76px;
  background: var(--black);
}

.hero-bg-wrapper {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  filter: grayscale(60%) brightness(.55);
}

/* Overlay oscuro */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(0,0,0,.75) 0%,
    rgba(0,0,0,.45) 50%,
    rgba(0,0,0,.8) 100%
  );
}

/* Elemento decorativo diagonal amarillo (motivo A del logo) */
.hero-deco {
  position: absolute;
  right: -2%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(180px, 28vw, 420px);
  height: clamp(260px, 55vh, 720px);
  background: var(--brand);
  clip-path: polygon(28% 0%, 100% 0%, 72% 100%, 0% 100%);
  opacity: .18;
  z-index: 0;
  pointer-events: none;
}

/* Segunda barra diagonal (efecto paralelo) */
.hero-deco::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--brand);
  clip-path: polygon(60% 0%, 100% 0%, 40% 100%, 0% 100%);
  opacity: .5;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-block: 4rem 6rem;
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
}

.hero-eyebrow::before,
.hero-eyebrow::after {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--brand);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 14vw, 11rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -.02em;
  line-height: .9;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 30px rgba(0,0,0,.7);
}

.hero-desc {
  font-size: clamp(.95rem, 2vw, 1.1rem);
  color: rgba(255,255,255,.72);
  max-width: 540px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
  line-height: 1.65;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
}

/* Stats */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: clamp(2rem, 6vw, 5rem);
  padding: 1.5rem 2rem;
  background: rgba(245,218,49,.06);
  border: 1px solid rgba(245,218,49,.2);
  border-radius: var(--radius-md);
  width: fit-content;
  margin-inline: auto;
}

.stat { display: flex; flex-direction: column; align-items: center; gap: .15rem; }

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  color: var(--brand);
  letter-spacing: -.02em;
}

.stat > span:nth-child(2) {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  color: var(--brand);
  letter-spacing: -.02em;
}

.stat-label {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-align: center;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  animation: bounce 2.2s infinite;
}

.mouse-icon {
  display: block;
  width: 22px;
  height: 36px;
  border: 2px solid rgba(245,218,49,.5);
  border-radius: 11px;
  position: relative;
  margin-inline: auto;
}

.mouse-wheel {
  display: block;
  width: 3px;
  height: 7px;
  background: var(--brand);
  border-radius: 2px;
  margin: 5px auto 0;
  animation: scroll-wheel 1.8s infinite;
}

@keyframes scroll-wheel {
  0%   { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(11px); opacity: 0; }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(7px); }
}

/* ----------------------------------------------------------------
   7. TRUST BAND
   ---------------------------------------------------------------- */
.trust-band {
  background: var(--brand);
  border-top: none;
  border-bottom: none;
  padding: 1.1rem 0;
}

.trust-band-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--black);
}

.trust-item i { font-size: 1rem; color: var(--black); }

/* ----------------------------------------------------------------
   8. SERVICIOS
   ---------------------------------------------------------------- */
.services-section {
  padding-block: var(--section-py);
  background: var(--black-2);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr));
  gap: 1px; /* gap = línea de separación como cuadrícula */
  background: rgba(245,218,49,.12); /* color del gap */
  border: 1px solid rgba(245,218,49,.12);
}

.service-card {
  background: var(--black-2);
  display: flex;
  flex-direction: column;
  transition: background var(--med);
}

.service-card:hover { background: var(--black-3); }

.service-img-wrapper {
  height: 210px;
  overflow: hidden;
  position: relative;
}

.service-img-wrapper::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60%;
  background: linear-gradient(to top, var(--black-2), transparent);
  pointer-events: none;
}

.service-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(40%);
  transition: transform var(--slow), filter var(--slow);
}

.service-card:hover .service-img-wrapper img {
  transform: scale(1.06);
  filter: grayscale(0%);
}

.service-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  border-top: 3px solid var(--brand);
}

.service-icon {
  width: 42px;
  height: 42px;
  background: var(--brand);
  border-radius: var(--radius-xs);
  display: grid;
  place-items: center;
  margin-bottom: .9rem;
}

.service-icon i { color: var(--black); font-size: 1.1rem; }

.service-body h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .03em;
  margin-bottom: .55rem;
}

.service-body p {
  color: var(--text-secondary);
  font-size: .88rem;
  flex: 1;
  margin-bottom: 1.25rem;
  line-height: 1.65;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  color: var(--text-secondary);
}

.service-features li i { color: var(--brand); font-size: .72rem; flex-shrink: 0; }

/* ----------------------------------------------------------------
   9. CTA BANNER
   ---------------------------------------------------------------- */
.cta-banner {
  position: relative;
  padding-block: clamp(3.5rem, 7vw, 5.5rem);
  overflow: hidden;
  background: var(--brand);
  isolation: isolate;
}

/* Patron de diagonales decorativas */
.cta-banner-bg {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -60deg,
    transparent,
    transparent 28px,
    rgba(0,0,0,.06) 28px,
    rgba(0,0,0,.06) 30px
  );
  z-index: 0;
}

.cta-banner-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  text-align: left;
}

.cta-banner-text h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: .5rem;
  letter-spacing: -.01em;
}

.cta-banner-text p {
  color: rgba(0,0,0,.65);
  max-width: 500px;
  font-size: .95rem;
}

.cta-banner-text strong { color: var(--black); }

/* Botón en contexto amarillo — invertido (negro sólido) */
.cta-banner .btn-neon {
  background: var(--black);
  color: var(--brand);
}

.cta-banner .btn-neon:hover {
  background: var(--black-3);
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
}

/* ----------------------------------------------------------------
   10. NUTRICIÓN
   ---------------------------------------------------------------- */
.nutrition-section {
  padding-block: var(--section-py);
  background: var(--black);
}

.nutrition-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.nutrition-image {
  position: relative;
}

.nutrition-image img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: var(--radius-md);
  filter: grayscale(30%);
  border: 1px solid var(--border);
}

.nutrition-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  display: flex;
  align-items: center;
  gap: .6rem;
  background: var(--brand);
  color: var(--black);
  padding: .55rem 1rem;
  border-radius: var(--radius-xs);
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.nutrition-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.nutrition-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--black-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: background var(--med), box-shadow var(--med);
}

.nutrition-card:hover {
  background: var(--black-2);
  box-shadow: 0 4px 20px rgba(0,0,0,.4);
}

.nutrition-card-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  background: var(--brand);
  border-radius: var(--radius-xs);
  display: grid;
  place-items: center;
}

.nutrition-card-icon i { color: var(--black); font-size: 1rem; }

.nutrition-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: .3rem;
}

.nutrition-card p {
  color: var(--text-secondary);
  font-size: .87rem;
  line-height: 1.6;
}

/* ----------------------------------------------------------------
   11. GALERÍA
   ---------------------------------------------------------------- */
.gallery-section {
  padding-block: var(--section-py);
  background: var(--black-2);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(245,218,49,.15);
  border: 2px solid rgba(245,218,49,.15);
}

.gallery-item { overflow: hidden; cursor: pointer; }
.gallery-item-wide { grid-column: 1 / -1; }

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(50%);
  transition: transform var(--slow), filter var(--slow);
}

.gallery-item:hover img {
  transform: scale(1.05);
  filter: grayscale(0%);
}

.gallery-item-wide img { height: 380px; }
.gallery-item:not(.gallery-item-wide) img { height: 240px; }

/* ----------------------------------------------------------------
   12. TESTIMONIOS
   ---------------------------------------------------------------- */
.testimonials-section {
  padding-block: var(--section-py);
  background: var(--black);
}

.testimonials-slider {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--black-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--brand);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: background var(--med), transform var(--med);
}

.testimonial-card:hover {
  background: var(--black-2);
  transform: translateY(-4px);
}

.testimonial-stars { color: var(--brand); display: flex; gap: .2rem; }
.testimonial-stars i { font-size: .9rem; }

.testimonial-card blockquote p {
  color: var(--text-secondary);
  font-size: .93rem;
  line-height: 1.7;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: .85rem;
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  margin-top: auto;
}

.testimonial-author img {
  width: 50px;
  height: 50px;
  border-radius: 2px;
  object-fit: cover;
  border: 2px solid var(--brand);
}

.author-name {
  display: block;
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .04em;
  font-style: normal;
  color: var(--text-white);
}

.author-role { display: block; font-size: .73rem; color: var(--text-muted); }

/* ----------------------------------------------------------------
   13. CONTACTO
   ---------------------------------------------------------------- */
.contact-section {
  padding-top: var(--section-py);
  background: var(--black-2);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  padding-bottom: var(--section-py);
}

.contact-info > h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -.01em;
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-item i {
  color: var(--brand);
  font-size: .95rem;
  margin-top: .15rem;
  width: 18px;
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: .1rem;
}

.contact-item span,
.contact-item a {
  display: block;
  font-size: .9rem;
  color: var(--text-secondary);
  transition: color var(--fast);
}

.contact-item a:hover { color: var(--brand); }

.contact-social { display: flex; gap: .6rem; }

.social-link {
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  display: grid;
  place-items: center;
  font-size: .9rem;
  color: var(--text-secondary);
  transition: color var(--fast), border-color var(--fast), background var(--fast);
}

.social-link:hover { color: var(--brand); border-color: var(--brand); background: var(--brand-dim); }
.social-link-wa:hover { color: #25D366; border-color: #25D366; background: rgba(37,211,102,.07); }

/* Formulario */
.contact-form-wrapper {
  background: var(--black-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--brand);
  border-radius: var(--radius-md);
  padding: 2rem;
}

.contact-form h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  margin-bottom: 1rem;
}

.form-group label {
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .7rem .9rem;
  color: var(--text-white);
  font-family: var(--font-body);
  font-size: .9rem;
  transition: border-color var(--fast), background var(--fast);
  outline: none;
  width: 100%;
}

.form-group select option { background: var(--black-3); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--brand);
  background: var(--brand-dim);
  box-shadow: 0 0 0 3px rgba(245,218,49,.1);
}

.form-group textarea { resize: vertical; min-height: 105px; }

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) { border-color: #f87171; }

.form-success {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-top: 1rem;
  padding: .8rem 1rem;
  background: rgba(245,218,49,.1);
  border: 1px solid rgba(245,218,49,.3);
  border-radius: var(--radius-sm);
  color: var(--brand);
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}

/* Mapa */
.map-wrapper { border-top: 1px solid var(--border); }

.map-wrapper iframe {
  display: block;
  filter: invert(90%) hue-rotate(180deg) brightness(.85) saturate(.7);
}

/* ----------------------------------------------------------------
   14. FOOTER
   ---------------------------------------------------------------- */
.site-footer {
  background: var(--black);
  border-top: 3px solid var(--brand);
}

.footer-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding-block: clamp(3rem, 6vw, 5rem);
}

.footer-brand p {
  color: var(--text-muted);
  font-size: .87rem;
  line-height: 1.7;
  margin-block: 1.25rem;
  max-width: 300px;
}

.footer-social { display: flex; gap: .5rem; }

.footer-nav h4,
.footer-contact h4 {
  font-family: var(--font-display);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 1.1rem;
}

.footer-nav ul { display: flex; flex-direction: column; gap: .55rem; }

.footer-nav a {
  font-size: .87rem;
  color: var(--text-secondary);
  transition: color var(--fast);
}

.footer-nav a:hover { color: var(--brand); }

.footer-contact address { display: flex; flex-direction: column; gap: .6rem; }

.footer-contact p {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-size: .84rem;
  color: var(--text-secondary);
}

.footer-contact i { color: var(--brand); width: 14px; }
.footer-contact a { transition: color var(--fast); }
.footer-contact a:hover { color: var(--brand); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-block: 1.1rem;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-bottom p { font-size: .78rem; color: var(--text-muted); }

/* ----------------------------------------------------------------
   15. BOTÓN FLOTANTE WHATSAPP
   ---------------------------------------------------------------- */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  color: #fff;
  box-shadow: 0 4px 20px rgba(37,211,102,.45);
  transition: transform var(--fast), box-shadow var(--fast);
  animation: waPulse 2.5s ease-in-out infinite;
}

@keyframes waPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,.45); }
  50%       { box-shadow: 0 4px 32px rgba(37,211,102,.75), 0 0 0 6px rgba(37,211,102,.12); }
}

.whatsapp-float:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 6px 28px rgba(37,211,102,.65);
  animation: none;
}

.whatsapp-tooltip {
  position: absolute;
  right: 64px;
  background: var(--black-card);
  color: var(--text-white);
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  white-space: nowrap;
  padding: .4rem .75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  pointer-events: none;
  opacity: 0;
  transform: translateX(6px);
  transition: opacity var(--fast), transform var(--fast);
}

.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; transform: translateX(0); }

/* ----------------------------------------------------------------
   16. REVEAL AL SCROLL
   ---------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--slow), transform var(--slow);
  transition-delay: var(--delay, 0ms);
}

.reveal.visible { opacity: 1; transform: translateY(0); }

.services-grid .service-card:nth-child(1) { --delay: 0ms; }
.services-grid .service-card:nth-child(2) { --delay: 80ms; }
.services-grid .service-card:nth-child(3) { --delay: 160ms; }
.services-grid .service-card:nth-child(4) { --delay: 240ms; }

.testimonials-slider .testimonial-card:nth-child(1) { --delay: 0ms; }
.testimonials-slider .testimonial-card:nth-child(2) { --delay: 110ms; }
.testimonials-slider .testimonial-card:nth-child(3) { --delay: 220ms; }

.trust-band-inner .trust-item:nth-child(1) { --delay: 0ms; }
.trust-band-inner .trust-item:nth-child(2) { --delay: 70ms; }
.trust-band-inner .trust-item:nth-child(3) { --delay: 140ms; }
.trust-band-inner .trust-item:nth-child(4) { --delay: 210ms; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ----------------------------------------------------------------
   17. RESPONSIVE
   ---------------------------------------------------------------- */
@media (max-width: 1024px) {
  .nutrition-layout { grid-template-columns: 1fr; }
  .nutrition-image img { height: 340px; }
  .footer-layout { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    top: 0; right: -100%; bottom: 0;
    width: min(300px, 85vw);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 1.75rem 2rem;
    background: rgba(0,0,0,.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 2px solid var(--brand);
    gap: .1rem;
    transition: right var(--med);
    overflow-y: auto;
  }

  .nav-menu.open { right: 0; }

  .nav-link { font-size: 1.1rem; padding: .6rem .25rem; width: 100%; }
  .btn-agenda-nav { margin-top: .75rem; width: 100%; justify-content: center; }

  .hero-deco { opacity: .1; }

  .hero-ctas { flex-direction: column; align-items: center; }

  .hero-stats { gap: 1.75rem; padding: 1.25rem; }

  .cta-banner-content { flex-direction: column; text-align: center; }
  .cta-banner-text p { margin-inline: auto; }

  .services-grid { grid-template-columns: 1fr; gap: 1px; }

  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item-wide { grid-column: auto; }
  .gallery-item-wide img,
  .gallery-item:not(.gallery-item-wide) img { height: 230px; }

  .contact-layout { grid-template-columns: 1fr; }

  .footer-layout { grid-template-columns: 1fr; }
  .footer-bottom-inner { justify-content: center; text-align: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: clamp(3.5rem, 18vw, 6rem); }
  .hero-stats { gap: 1.25rem; padding: 1rem; }
  .stat-number { font-size: 1.8rem; }
  .btn-neon-large { padding: 1rem 1.75rem; font-size: 1rem; text-align: center; }
  .whatsapp-float { bottom: 1.2rem; right: 1.2rem; width: 50px; height: 50px; font-size: 1.35rem; }
}