/* ================================================================
   LUDUS FITNESS CENTER — Premium UI System v2
   Paleta: Obsidiana · Crema Romano · Oro Bronce
   Tipografía: Michroma (display) / Jost (body)
   ================================================================ */

/* ─── DESIGN TOKENS ─────────────────────────────────────────── */
:root {
  /* Color system */
  --c-bg:         #0C0C0C;
  --c-bg-1:       #111111;
  --c-bg-2:       #181818;
  --c-bg-3:       #222222;
  --c-text:       #ECE6E2;
  --c-text-2:     #978E86;
  --c-text-3:     #3E3A37;
  --c-gold:       #B9A28B;
  --c-gold-lt:    #D4BFA8;
  --c-gold-dim:   rgba(185, 162, 139, 0.20);
  --c-border:     rgba(255, 255, 255, 0.062);
  --c-border-gd:  rgba(185, 162, 139, 0.30);

  /* Typography */
  --f-display: 'Michroma', sans-serif;
  --f-body:    'Jost', sans-serif;

  /* Motion curves */
  --ease-expo:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Fluid spacing */
  --pad-section: clamp(6rem, 11vw, 13rem);
  --pad-x:       clamp(1.5rem, 5vw, 4rem);
}

/* ─── RESET ─────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html  { scroll-behavior: smooth; }
img   { display: block; max-width: 100%; }
button { cursor: pointer; }

/* ─── BASE ──────────────────────────────────────────────────── */
body {
  background-color: var(--c-bg);
  color: var(--c-text);
  font-family: var(--f-body);
  font-weight: 300;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Global grain overlay (fixed, non-interactive) */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url('Textura2.jpg');
  background-size: 560px auto;
  mix-blend-mode: overlay;
  opacity: 0.11;
  pointer-events: none;
  z-index: 9000;
}

h1, h2, h3 {
  font-family: var(--f-display);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 var(--pad-x);
  position: relative;
  z-index: 1;
}

/* ─── SECTION TITLE ─────────────────────────────────────────── */
.section-title {
  font-size: clamp(1.55rem, 2.6vw, 2.5rem);
  color: var(--c-gold);
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
  text-align: center;
  letter-spacing: 0.20em;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 34px;
  height: 1px;
  background: var(--c-gold);
  margin: 1.1rem auto 0;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 1s var(--ease-expo) 0.35s;
}

.section-title.in-view::after { transform: scaleX(1); }

/* ─── SCROLL REVEAL ENGINE ──────────────────────────────────── */
[data-reveal="fade-up"] {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity  1s var(--ease-expo),
    transform 1s var(--ease-expo);
}

[data-reveal="slide-left"] {
  opacity: 0;
  transform: translateX(-40px);
  transition:
    opacity  1s var(--ease-expo),
    transform 1s var(--ease-expo);
}

[data-reveal="slide-right"] {
  opacity: 0;
  transform: translateX(40px);
  transition:
    opacity  1s var(--ease-expo),
    transform 1s var(--ease-expo);
}

[data-reveal].in-view {
  opacity: 1;
  transform: translate(0, 0);
}

/* Stagger delay helpers */
[data-delay="0"]   { transition-delay:   0ms; }
[data-delay="60"]  { transition-delay:  60ms; }
[data-delay="100"] { transition-delay: 100ms; }
[data-delay="120"] { transition-delay: 120ms; }
[data-delay="150"] { transition-delay: 150ms; }
[data-delay="180"] { transition-delay: 180ms; }
[data-delay="200"] { transition-delay: 200ms; }
[data-delay="240"] { transition-delay: 240ms; }
[data-delay="300"] { transition-delay: 300ms; }
[data-delay="400"] { transition-delay: 400ms; }

/* ─── PRELOADER / CARGADOR ──────────────────────────────────── */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-bg);
  transition: opacity 0.7s var(--ease-expo), visibility 0.7s var(--ease-expo);
}

.preloader.loaded {
  opacity: 0;
  visibility: hidden;
}

.preloader-inner {
  position: relative;
  width: 128px;
  height: 128px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preloader-logo {
  width: 66px;
  height: auto;
  opacity: 0.95;
  animation: preloadPulse 1.6s var(--ease-smooth) infinite;
}

@keyframes preloadPulse {
  0%, 100% { transform: scale(0.9);  opacity: 0.55; }
  50%      { transform: scale(1.02); opacity: 1; }
}

.preloader-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--c-gold-dim);
  border-top-color: var(--c-gold);
  animation: preloadSpin 1s linear infinite;
}

@keyframes preloadSpin {
  to { transform: rotate(360deg); }
}

/* Sin animación para quienes lo prefieren */
@media (prefers-reduced-motion: reduce) {
  .preloader-logo,
  .preloader-ring { animation: none; }
}

/* ─── NAVIGATION ────────────────────────────────────────────── */
.main-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  padding: 2rem var(--pad-x);
  transition:
    padding      0.55s var(--ease-smooth),
    background   0.55s var(--ease-smooth),
    border-color 0.55s var(--ease-smooth);
  border-bottom: 1px solid transparent;
}

.main-nav.scrolled {
  padding: 1.05rem var(--pad-x);
  background: rgba(12, 12, 12, 0.90);
  backdrop-filter: blur(28px) saturate(1.4);
  -webkit-backdrop-filter: blur(28px) saturate(1.4);
  border-color: var(--c-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  height: 44px;
  opacity: 0.93;
  filter: drop-shadow(0 2px 12px rgba(0,0,0,0.95));
  transition:
    height  0.5s var(--ease-smooth),
    opacity 0.3s ease;
}

.main-nav.scrolled .nav-logo { height: 32px; }

.nav-location {
  font-family: var(--f-display);
  font-size: 0.58rem;
  letter-spacing: 0.32em;
  color: var(--c-text-2);
  text-transform: uppercase;
  opacity: 0.65;
}

/* ─── HERO ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100svh;
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: -16% 0;
  background: url('Miradas.jpg') center / cover no-repeat;
  will-change: transform;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 85% 70% at 50% 42%,
      rgba(12,12,12, 0.42) 0%,
      rgba(12,12,12, 0.80) 60%,
      rgba(12,12,12, 0.97) 100%),
    linear-gradient(180deg, rgba(12,12,12,0.25) 0%, rgba(12,12,12,0.88) 100%);
  z-index: 1;
}

.hero-texture {
  position: absolute;
  inset: 0;
  background: url('Textura1.jpg') center / cover;
  mix-blend-mode: overlay;
  opacity: 0.10;
  pointer-events: none;
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.8rem;
  opacity: 0;
  transform: translateY(22px);
  animation: heroReveal 1.6s var(--ease-expo) 0.15s forwards;
}

@keyframes heroReveal {
  to { opacity: 1; transform: translateY(0); }
}

.hero-title { margin: 0; line-height: 1; }

.hero-main-logo {
  max-width: min(80vw, 430px);
  height: auto;
  filter: drop-shadow(0 8px 32px rgba(0,0,0,1));
}

.hero-subtitle {
  font-family: var(--f-body);
  font-size: clamp(0.68rem, 1.2vw, 0.92rem);
  color: var(--c-gold);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.30em;
  text-shadow: 0 2px 20px rgba(0,0,0,1);
  opacity: 0.88;
}

/* Scroll cue */
.hero-scroll-cue {
  position: absolute;
  bottom: 2.8rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  opacity: 0;
  animation: heroReveal 1s var(--ease-expo) 1.4s forwards;
}

.scroll-cue-line {
  display: block;
  width: 1px;
  height: 52px;
  background: linear-gradient(to bottom, transparent, var(--c-gold));
  margin: 0 auto;
  animation: scrollPulse 2.5s ease-in-out infinite;
  transform-origin: top;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.28; transform: scaleY(0.55) translateY(0); }
  50%       { opacity: 0.85; transform: scaleY(1)    translateY(5px); }
}

/* ─── MANIFESTO ─────────────────────────────────────────────── */
.manifesto {
  padding: var(--pad-section) 0;
  position: relative;
  background: var(--c-bg-1);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  overflow: hidden;
}

.manifesto::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('Textura2.jpg') center / 520px auto;
  mix-blend-mode: overlay;
  opacity: 0.095;
  pointer-events: none;
}

.manifesto::after {
  content: 'LUDUS';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--f-display);
  font-size: clamp(7rem, 22vw, 26rem);
  color: var(--c-text);
  opacity: 0.012;
  white-space: nowrap;
  pointer-events: none;
  letter-spacing: 0.18em;
  z-index: 0;
}

.manifesto-grid {
  display: grid;
  grid-template-columns: 1fr;
  position: relative;
  z-index: 1;
}

@media (min-width: 900px) {
  .manifesto-grid {
    grid-template-columns: 54% 46%;
    min-height: 560px;
    align-items: stretch;
  }
}

.manifesto-image-container {
  overflow: hidden;
  min-height: 400px;
  position: relative;
}

.manifesto-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 12%;
  filter: grayscale(100%) contrast(1.35) brightness(0.76);
  transition:
    filter    0.95s var(--ease-smooth),
    transform 1.1s  var(--ease-smooth);
}

.manifesto-image-container:hover .manifesto-image {
  filter: grayscale(65%) contrast(1.2) brightness(0.9);
  transform: scale(1.04);
}

.manifesto-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(3rem, 6vw, 6rem) clamp(2rem, 4.5vw, 5.5rem);
  background: rgba(16, 16, 16, 0.98);
  border-left: 1.5px solid var(--c-gold);
  position: relative;
  z-index: 2;
}

.manifesto-content .section-title {
  text-align: left;
  margin-bottom: 2.2rem;
}

.manifesto-content .section-title::after { margin-left: 0; }

.manifesto-text {
  font-size: clamp(0.98rem, 1.32vw, 1.16rem);
  color: var(--c-text);
  opacity: 0.80;
  line-height: 2.05;
  font-weight: 300;
}

@media (max-width: 899px) {
  .manifesto-content {
    border-left: none;
    border-top: 1.5px solid var(--c-gold);
    padding: clamp(2.5rem, 5vw, 4rem) var(--pad-x);
  }
  .manifesto-content .section-title { text-align: center; }
  .manifesto-content .section-title::after { margin-left: auto; }
}

/* ─── DISCIPLINES — BENTO GRID ──────────────────────────────── */
.disciplines {
  padding: var(--pad-section) 0;
  position: relative;
  overflow: hidden;
}

.disciplines::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('Textura3.jpg') center / 580px auto;
  mix-blend-mode: overlay;
  opacity: 0.085;
  pointer-events: none;
}

.disciplines-bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
}

@media (min-width: 768px) {
  .disciplines-bento {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 500px 120px;
  }
  .discipline-card.calisthenics { grid-column: 1 / 2; grid-row: 1 / 2; }
  .discipline-card.functional   { grid-column: 2 / 3; grid-row: 1 / 2; }
  .bento-accent                 { grid-column: 1 / 3; grid-row: 2 / 3; }
}

.discipline-card {
  position: relative;
  overflow: hidden;
  cursor: crosshair;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 330px;
  border: 1px solid var(--c-border);
  transition: border-color 0.5s ease;
}

.discipline-card:hover { border-color: var(--c-border-gd); }

.card-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.12) brightness(0.72);
  transition:
    transform 0.9s var(--ease-smooth),
    filter    0.7s var(--ease-smooth);
  will-change: transform;
}

.discipline-card:hover .card-image {
  filter: grayscale(12%) contrast(1.08) brightness(0.88);
  transform: scale(1.07);
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(12,12,12, 0.98) 0%,
    rgba(12,12,12, 0.42) 42%,
    rgba(12,12,12, 0.06) 100%
  );
  z-index: 1;
  transition: opacity 0.5s ease;
}

.card-content {
  position: relative;
  z-index: 2;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  transition: transform 0.55s var(--ease-expo);
}

.discipline-card:hover .card-content { transform: translateY(-9px); }

.discipline-card h3 {
  font-size: clamp(1.7rem, 3.5vw, 2.7rem);
  color: var(--c-text);
  margin-bottom: 0.65rem;
  transition: color 0.35s ease;
}

.discipline-card:hover h3 { color: var(--c-gold); }

.discipline-card p {
  font-size: clamp(0.85rem, 1.1vw, 1rem);
  color: var(--c-text-2);
  line-height: 1.78;
  max-width: 38ch;
  font-weight: 300;
  transition: color 0.35s ease;
}

.discipline-card:hover p { color: var(--c-text); }

/* Bento accent cell */
.bento-accent {
  position: relative;
  overflow: hidden;
  background: var(--c-bg-2);
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 190px;
  transition: border-color 0.5s ease, background 0.5s ease;
}

.bento-accent::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('Material acero forjado.jpg') center / cover;
  opacity: 0.055;
  mix-blend-mode: overlay;
}

.bento-accent:hover {
  border-color: var(--c-border-gd);
  background: var(--c-bg-3);
}

.bento-accent-logo {
  width: 52%;
  max-width: 170px;
  opacity: 0.095;
  position: relative;
  z-index: 1;
  transition:
    opacity   0.7s var(--ease-smooth),
    transform 0.9s var(--ease-smooth);
}

.bento-accent:hover .bento-accent-logo {
  opacity: 0.22;
  transform: scale(1.07) rotate(9deg);
}

/* ─── COMMUNITY / LA ARENA ──────────────────────────────────── */
.community {
  padding: var(--pad-section) 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--c-border);
  text-align: center;
}

.community::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('fondo-ludus.jpg') center / cover no-repeat;
  opacity: 0.065;
  z-index: 0;
}

.community::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url('Textura4.jpg') center / 580px auto;
  mix-blend-mode: overlay;
  opacity: 0.075;
  pointer-events: none;
  z-index: 0;
}

.community-bg-logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 65%;
  max-width: 680px;
  opacity: 0.036;
  z-index: 1;
  pointer-events: none;
  animation: spinSlow 90s linear infinite;
}

.community-bg-logo img { width: 100%; height: auto; }

@keyframes spinSlow {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to   { transform: translate(-50%, -50%) rotate(360deg); }
}

.relative-z { position: relative; z-index: 2; }

.community-text {
  font-size: clamp(1rem, 1.42vw, 1.2rem);
  max-width: 650px;
  margin: 0 auto;
  color: var(--c-text);
  opacity: 0.76;
  line-height: 2.05;
  font-weight: 300;
}

/* ─── EL ESPACIO / GALERÍA ──────────────────────────────────── */
.space {
  padding: var(--pad-section) 0;
  position: relative;
  border-top: 1px solid var(--c-border);
  overflow: hidden;
}

.space::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('Textura3.jpg') center / 580px auto;
  mix-blend-mode: overlay;
  opacity: 0.075;
  pointer-events: none;
}

.space-intro {
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  max-width: 620px;
  margin: -1.5rem auto clamp(3rem, 6vw, 5rem);
  text-align: center;
  color: var(--c-text);
  opacity: 0.72;
  line-height: 2;
  font-weight: 300;
  position: relative;
  z-index: 1;
}

.space-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  position: relative;
  z-index: 1;
}

@media (min-width: 600px) {
  .space-gallery { grid-template-columns: 1fr 1fr; }
  .item-fachada  { grid-column: 1 / 3; }
  .item-lounge   { grid-column: 1 / 3; }
  .item-vestidores { grid-column: 1 / 3; }
}

@media (min-width: 900px) {
  .space-gallery {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 230px;
  }
  .item-fachada    { grid-column: 1 / 3; grid-row: 1 / 3; }
  .item-funcional  { grid-column: 3 / 5; grid-row: 1 / 2; }
  .item-calistenia { grid-column: 3 / 4; grid-row: 2 / 3; }
  .item-central    { grid-column: 4 / 5; grid-row: 2 / 3; }
  .item-lounge     { grid-column: 1 / 3; grid-row: 3 / 4; }
  .item-vestidores { grid-column: 3 / 5; grid-row: 3 / 4; }
}

.space-item {
  position: relative;
  overflow: hidden;
  margin: 0;
  min-height: 240px;
  border: 1px solid var(--c-border);
  cursor: crosshair;
  transition: border-color 0.5s ease;
}

@media (min-width: 900px) {
  .space-item { min-height: 0; }
}

.space-item:hover { border-color: var(--c-border-gd); }

.space-item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.12) brightness(0.7);
  transition:
    transform 0.9s var(--ease-smooth),
    filter    0.7s var(--ease-smooth);
  will-change: transform;
}

.space-item:hover img {
  filter: grayscale(0%) contrast(1.05) brightness(0.94);
  transform: scale(1.06);
}

.space-item::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to top,
    rgba(12,12,12, 0.92) 0%,
    rgba(12,12,12, 0.30) 45%,
    rgba(12,12,12, 0.04) 100%
  );
  transition: opacity 0.5s ease;
}

.space-item:hover::before { opacity: 0.55; }

.space-item figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: clamp(1rem, 2vw, 1.6rem) clamp(1.1rem, 2.2vw, 1.8rem);
  font-family: var(--f-display);
  font-size: clamp(0.62rem, 1vw, 0.8rem);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-text);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  transition: color 0.4s ease, transform 0.55s var(--ease-expo);
}

.space-item:hover figcaption {
  color: var(--c-gold-lt);
  transform: translateY(-4px);
}

.space-tag {
  font-size: 0.62em;
  color: var(--c-gold);
  opacity: 0.85;
  letter-spacing: 0.1em;
  padding-bottom: 0.15em;
}

/* ─── LOCATION ──────────────────────────────────────────────── */
.location {
  padding: var(--pad-section) 0;
  position: relative;
  background: var(--c-bg-1);
  border-top: 1px solid var(--c-border);
  text-align: center;
  overflow: hidden;
}

.location::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('Material acero forjado.jpg') center / cover;
  opacity: 0.032;
  mix-blend-mode: luminosity;
  pointer-events: none;
}

.location-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
  position: relative;
  z-index: 1;
}

@media (min-width: 600px) {
  .location-grid { grid-template-columns: repeat(3, 1fr); }
}

.location-card {
  background: var(--c-bg-1);
  padding: clamp(2.5rem, 5vw, 4.5rem) clamp(1.5rem, 3vw, 3rem);
  position: relative;
  overflow: hidden;
  transition: background 0.4s ease;
}

.location-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--c-gold), transparent);
  transform: scaleX(0);
  transition: transform 0.75s var(--ease-expo);
}

.location-card:hover { background: var(--c-bg-2); }
.location-card:hover::after { transform: scaleX(1); }

.location-card h3 {
  font-size: 0.75rem;
  color: var(--c-gold);
  margin-bottom: 1.8rem;
  letter-spacing: 0.28em;
}

.location-card p {
  font-size: clamp(0.88rem, 1.05vw, 1rem);
  color: var(--c-text);
  opacity: 0.75;
  line-height: 2.05;
  font-weight: 300;
}

.location-card p + p { margin-top: 1.5rem; }

.location-card strong {
  color: var(--c-gold-lt);
  font-weight: 600;
  opacity: 1;
}

/* ─── FAQ ───────────────────────────────────────────────────── */
.faq {
  padding: var(--pad-section) 0;
  position: relative;
  border-top: 1px solid var(--c-border);
}

.faq::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('Textura5.jpg') center / 580px auto;
  mix-blend-mode: overlay;
  opacity: 0.062;
  pointer-events: none;
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

details {
  border-bottom: 1px solid var(--c-border);
  transition: border-color 0.35s ease;
}

details:first-child { border-top: 1px solid var(--c-border); }
details:hover,
details[open] { border-color: var(--c-border-gd); }

summary {
  padding: 1.9rem 3.5rem 1.9rem 0;
  font-family: var(--f-display);
  font-size: clamp(0.72rem, 1.1vw, 0.88rem);
  color: var(--c-text);
  letter-spacing: 0.07em;
  cursor: pointer;
  list-style: none;
  position: relative;
  transition: color 0.3s ease;
  user-select: none;
}

summary::-webkit-details-marker { display: none; }
summary:hover { color: var(--c-gold); }
details[open] summary { color: var(--c-gold-lt); }

summary::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--c-gold-dim);
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M6 2.5v7M2.5 6h7' stroke='%23B9A28B' stroke-width='1.25' stroke-linecap='round'/%3E%3C/svg%3E")
    center / 54% no-repeat;
  transition: border-color 0.35s ease, background 0.35s ease;
}

details[open] summary::after {
  border-color: var(--c-border-gd);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6h7' stroke='%23B9A28B' stroke-width='1.25' stroke-linecap='round'/%3E%3C/svg%3E");
  background-color: rgba(185,162,139, 0.075);
}

/* Smooth answer reveal */
.details-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.42s var(--ease-expo);
}

details[open] .details-body {
  grid-template-rows: 1fr;
}

.details-body-inner { overflow: hidden; }

.details-body-inner p {
  padding: 0 0 2rem;
  color: var(--c-text-2);
  font-size: clamp(0.88rem, 1.05vw, 0.97rem);
  line-height: 1.88;
  font-weight: 300;
}

/* ─── FOOTER & CTA ──────────────────────────────────────────── */
.footer {
  padding: var(--pad-section) 0 clamp(2.5rem, 5vw, 4rem);
  position: relative;
  text-align: center;
  border-top: 1px solid var(--c-border);
  overflow: hidden;
}

.footer-bg {
  position: absolute;
  inset: 0;
  background: url('FondoLuds2.jpg') center / cover no-repeat;
  opacity: 0.052;
  z-index: 0;
}

.footer-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 50% 30%,
    rgba(12,12,12, 0.35) 0%,
    rgba(12,12,12, 0.92) 100%
  );
}

.footer .container { z-index: 1; }

.cta-title {
  font-size: clamp(2.6rem, 8.5vw, 8rem);
  color: var(--c-text);
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: 0.1em;
  line-height: 1;
}

.cta-wrap { margin-bottom: clamp(4rem, 9vw, 8rem); }

.cta-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--c-gold);
  border: 1px solid var(--c-gold);
  padding: 1.15rem clamp(2.5rem, 5vw, 5rem);
  font-family: var(--f-body);
  font-size: clamp(0.72rem, 1.1vw, 0.88rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.30em;
  cursor: pointer;
  overflow: hidden;
  transition:
    color      0.45s var(--ease-smooth),
    box-shadow 0.45s var(--ease-smooth),
    transform  0.55s var(--ease-expo);
}

.cta-btn-text { position: relative; z-index: 1; }

.cta-btn-fill {
  position: absolute;
  inset: 0;
  background: var(--c-gold);
  transform: translateX(-101%);
  transition: transform 0.55s var(--ease-expo);
  z-index: 0;
}

.cta-button:hover {
  color: var(--c-bg);
  box-shadow: 0 0 55px rgba(185, 162, 139, 0.16);
}

.cta-button:hover .cta-btn-fill { transform: translateX(0); }

.footer-copy {
  font-size: 0.76rem;
  color: var(--c-text-3);
  letter-spacing: 0.14em;
  font-weight: 400;
}

/* ─── MAPS LINK ─────────────────────────────────────────────── */
.maps-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1.6rem;
  color: var(--c-gold);
  text-decoration: none;
  font-family: var(--f-display);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--c-gold-dim);
  padding-bottom: 0.25rem;
  transition: color 0.3s ease, border-color 0.3s ease, gap 0.3s ease;
}

.maps-link svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  transition: transform 0.35s var(--ease-expo);
}

.maps-link:hover {
  color: var(--c-gold-lt);
  border-color: var(--c-gold);
  gap: 0.65rem;
}

.maps-link:hover svg {
  transform: translateY(-2px);
}

/* ─── FLOATING WHATSAPP CTA ─────────────────────────────────── */
.float-cta {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  background: var(--c-bg-2);
  color: var(--c-gold);
  border: 1px solid var(--c-border-gd);
  text-decoration: none;
  padding: 0.85rem 1.6rem;
  font-family: var(--f-display);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  /* hidden by default — JS adds .is-visible */
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition:
    opacity   0.55s var(--ease-expo),
    transform 0.55s var(--ease-expo),
    background 0.35s ease,
    color      0.35s ease,
    box-shadow 0.35s ease;
  /* Subtle pulse ring on appearance */
  box-shadow: 0 0 0 0 rgba(185, 162, 139, 0);
}

.float-cta.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.float-cta:hover {
  background: var(--c-gold);
  color: var(--c-bg);
  box-shadow: 0 0 35px rgba(185, 162, 139, 0.20);
}

.float-cta-icon {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

/* Mobile: icon only */
@media (max-width: 520px) {
  .float-cta {
    padding: 0.9rem;
    border-radius: 50%;
    bottom: 1.5rem;
    right: 1.5rem;
  }
  .float-cta-text { display: none; }
  .float-cta-icon { width: 20px; height: 20px; }
}

/* ─── RESPONSIVE UTILITIES ──────────────────────────────────── */
@media (max-width: 767px) {
  .bento-accent     { min-height: 160px; }
  .discipline-card  { min-height: 300px; }
  .nav-location     { display: none; }
}

@media (max-width: 480px) {
  .hero-subtitle    { font-size: 0.63rem; letter-spacing: 0.20em; }
  .cta-title        { letter-spacing: 0.05em; }
  .cta-button       { padding: 1rem 2rem; letter-spacing: 0.20em; }
}