/* ============================================================
   HARMONY LAB — style.css
   Diseño moderno, oscuro y premium para sitio de música
   ============================================================ */

/* ── 1. VARIABLES & RESET ─────────────────────────────────── */
:root {
  /* ── Paleta oficial Harmony Lab ── */
  --brand-purple-dark: #2E005D;
  --brand-purple:      #5C008B;
  --brand-purple-mid:  #8E008B;
  --brand-orange:      #FF8300;
  --brand-orange-mid:  #FF7300;
  --brand-orange-dark: #FF6200;

  /* Fondos (basados en morado oscuro de marca) */
  --color-bg:          #0A0014;
  --color-bg-2:        #140024;
  --color-bg-3:        #2E005D;
  --color-surface:     #1E0038;
  --color-border:      rgba(255, 255, 255, 0.08);

  /* Acentos */
  --color-accent:      var(--brand-orange);
  --color-accent-2:    var(--brand-purple-mid);
  --color-accent-hover: var(--brand-orange-dark);

  --color-accent-dim:  rgba(255, 131, 0, 0.15);
  --color-accent-glow: rgba(142, 0, 139, 0.4);

  --gradient-brand: linear-gradient(
    135deg,
    var(--brand-orange) 0%,
    var(--brand-orange-mid) 30%,
    var(--brand-purple-mid) 65%,
    var(--brand-purple) 100%
  );

  --color-white:       #FFFFFF;
  --color-text:        rgba(255, 255, 255, 0.88);
  --color-text-muted:  rgba(255, 255, 255, 0.55);
  --color-text-faint:  rgba(255, 255, 255, 0.35);
  
  /* Tipografía */
  --font-display: 'Montserrat', sans-serif;
  --font-body:    'Poppins', sans-serif;

  /* Espaciado */
  --space-xs:  0.5rem;
  --space-sm:  0.75rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-4xl: 6rem;

  /* Radios */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-sm:   0 2px 10px rgba(0,0,0,0.4);
  --shadow-md:   0 8px 30px rgba(0,0,0,0.5);
  --shadow-lg:   0 20px 60px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px var(--color-accent-glow);

  /* Transiciones */
  --transition-fast:   150ms ease;
  --transition-mid:    300ms ease;
  --transition-slow:   500ms ease;

  /* Navbar height (para offset de secciones) */
  --nav-height: 72px;
}

/* Reset moderno */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Offset para anclas con navbar fija */
[id] { scroll-margin-top: var(--nav-height); }

img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
ul, ol { list-style: none; }
input, textarea { font-family: inherit; }

/* Scrollbar personalizada */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg-2); }
::-webkit-scrollbar-thumb { background: var(--color-accent); border-radius: 3px; }


/* ── 2. UTILIDADES ────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-4xl) 0;
}

.section--dark {
  background-color: var(--color-bg-2);
}

/* Eyebrow (etiqueta sobre el título) */
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto;
}

.text-accent { color: var(--color-accent); }

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

/* ── 3. BOTONES ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: all var(--transition-mid);
  white-space: nowrap;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

/* Efecto ripple en hover */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  opacity: 0;
  transition: opacity var(--transition-fast);
  border-radius: inherit;
}
.btn:hover::after { opacity: 1; }

.btn--primary {
  background: var(--color-accent);
  color: #ffffff;
  box-shadow: 0 4px 24px var(--color-accent-glow);
}
.btn--primary:hover {
  background: var(--brand-purple);
  box-shadow: 0 6px 32px rgba(142, 0, 139, 0.55);
  transform: translateY(-2px);
}
.btn--primary:active { transform: translateY(0); }

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.25);
}
.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn--buy {
  background: #003087; /* azul PayPal oscuro */
  color: #fff;
  padding: 0.6rem 1.4rem;
  font-size: 0.825rem;
  border-radius: var(--radius-full);
  width: 100%;
  justify-content: center;
  transition: all var(--transition-mid);
}
.btn--buy:hover {
  background: #0050c8;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,80,200,0.4);
}

.btn--class {
  background: transparent;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  padding: 0.6rem 1.25rem;
  font-size: 0.825rem;
  width: 100%;
  justify-content: center;
  margin-top: auto;
}
.btn--class:hover {
  background: var(--color-accent);
  color: #000;
}

.btn--full { width: 100%; justify-content: center; }

.btn--sm {
  padding: 0.55rem 1rem;
  font-size: 0.78rem;
}

.btn--whatsapp {
  background: #25D366;
  color: #fff;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
}
.btn--whatsapp:hover {
  background: #1ebe57;
  color: #fff;
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
  transform: translateY(-2px);
}


/* ── 4. ANIMACIONES DE ENTRADA ────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-14px); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.5; }
  50%       { opacity: 1; }
}

@keyframes wave {
  0%   { transform: scaleX(1); }
  50%  { transform: scaleX(1.05) scaleY(1.12); }
  100% { transform: scaleX(1); }
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.animate-fade-up {
  opacity: 0;
  animation: fadeUp 0.7s ease forwards;
}
.animate-delay-1 { animation-delay: 0.15s; }
.animate-delay-2 { animation-delay: 0.3s; }
.animate-delay-3 { animation-delay: 0.45s; }
.animate-delay-4 { animation-delay: 0.6s; }

/* Scroll reveal */
.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.scroll-reveal--right {
  transform: translateX(40px);
}
.scroll-reveal.is-visible {
  opacity: 1;
  transform: none;
}
.scroll-reveal--delay-1 { transition-delay: 0.1s; }
.scroll-reveal--delay-2 { transition-delay: 0.2s; }
.scroll-reveal--delay-3 { transition-delay: 0.3s; }


/* ── 5. NAVBAR ────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--transition-mid), box-shadow var(--transition-mid);
}

.navbar.scrolled {
  background: rgba(15, 0, 26, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.nav-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-img {
  display: block;
  object-fit: contain;
  transition: transform var(--transition-mid), box-shadow var(--transition-mid);
}

.logo-img--nav {
  height: 44px;
  width: auto;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}
.nav-logo:hover .logo-img--nav {
  transform: scale(1.04);
  box-shadow: 0 4px 18px rgba(255, 131, 0, 0.35);
}

.logo-img--footer {
  width: 120px;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.footer-logo {
  display: inline-flex;
  margin-bottom: var(--space-sm);
}
.footer-logo:hover .logo-img--footer {
  transform: scale(1.03);
}

/* Legacy text logo (reservado) */
.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  background: var(--color-accent-dim);
  border: 1px solid var(--color-accent-glow);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  font-size: 1rem;
  transition: background var(--transition-mid);
}
.nav-logo:hover .logo-icon {
  background: var(--color-accent);
  color: #000;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--color-white);
  letter-spacing: -0.02em;
}
.logo-accent { color: var(--color-accent); }

/* Nav links */
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  transition: width var(--transition-mid);
}
.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
}
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

.nav-link--cta {
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
}
.nav-link--cta::after { display: none; }
.nav-link--cta:hover {
  background: var(--color-accent);
  color: #000;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1010;
}

.hamburger {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-mid);
}

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


/* ── 6. HERO ──────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

/* Fondo */
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(142, 0, 139, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(142, 0, 139, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 80%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: pulse-glow 4s ease-in-out infinite;
}
.hero-glow--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255, 131, 0, 0.1) 0%, transparent 70%);
  top: -150px; left: -100px;
}
.hero-glow--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(142, 0, 139, 0.12) 0%, transparent 70%);
  bottom: -100px; right: 10%;
  animation-delay: 2s;
}

/* Contenido hero */
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--color-accent-dim);
  border: 1px solid rgba(255, 131, 0, 0.3);
  border-radius: var(--radius-full);
  padding: 0.35rem 1rem;
  font-size: 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}
.hero-badge i { font-size: 0.7rem; }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-lg);
}
.hero-title__main { color: var(--color-white); display: block; }
.hero-title__accent {
  color: var(--color-accent);
  display: block;
  text-shadow: 0 0 60px var(--color-accent-glow);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
  line-height: 1.6;
}
.hero-br { display: none; }

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-3xl);
}

/* Stats */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
}

.stat { text-align: center; }

.stat__number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
}
.stat__label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.stat-divider {
  width: 1px; height: 36px;
  background: var(--color-border);
}

/* Visual decorativo hero (pedalera) */
.hero-visual {
  position: absolute;
  right: 5%;
  bottom: 10%;
  z-index: 1;
  pointer-events: none;
  animation: float 5s ease-in-out infinite;
  opacity: 0.75;
}

.hero-device {
  width: 200px;
  background: var(--gradient-brand);
  border: 1px solid rgba(142, 0, 139,0.2);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(142, 0, 139,0.1);
}

.device-screen {
  background: #000;
  border-radius: var(--radius-sm);
  height: 80px;
  position: relative;
  overflow: hidden;
  margin-bottom: var(--space-sm);
  border: 1px solid rgba(142, 0, 139,0.15);
  display: flex;
  align-items: flex-end;
  padding: 8px;
  gap: 4px;
}

.device-wave {
  position: absolute;
  bottom: 10px;
  left: 8px; right: 8px;
  height: 30px;
  background: var(--gradient-brand);
  border-radius: 50%;
  animation: wave 2s ease-in-out infinite;
}
.device-wave--2 {
  bottom: 20px;
  opacity: 0.4;
  animation-delay: 0.5s;
}

.device-knobs {
  display: flex;
  gap: 8px;
  justify-content: center;
}
.device-knobs span {
  display: block;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--gradient-brand);
  border: 1px solid rgba(142, 0, 139,0.2);
  position: relative;
}
.device-knobs span::after {
  content: '';
  position: absolute;
  top: 3px; left: 50%;
  transform: translateX(-50%);
  width: 2px; height: 6px;
  background: var(--color-accent);
  border-radius: 1px;
}

.device-label {
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  opacity: 0.8;
}

.hero-notes { position: absolute; top: -20px; left: -30px; }

.note {
  position: absolute;
  font-size: 1.5rem;
  color: var(--color-accent);
  opacity: 0.4;
  animation: float 3s ease-in-out infinite;
}
.note--1 { top: 0; left: 0; animation-delay: 0s; }
.note--2 { top: -30px; left: 50px; animation-delay: 0.8s; font-size: 1rem; }
.note--3 { top: 20px; left: 100px; animation-delay: 1.5s; font-size: 2rem; }

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.scroll-dot {
  width: 6px; height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse-glow 1.5s ease-in-out infinite;
}


/* ── 7. ABOUT ─────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-lead {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  font-weight: 500;
}
.about-body {
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.about-features { display: flex; flex-direction: column; gap: var(--space-md); }

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.feature-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1rem;
  margin-top: 2px;
}

.about-feature strong { display: block; color: var(--color-white); margin-bottom: 2px; }
.about-feature p { font-size: 0.875rem; color: var(--color-text-muted); margin: 0; }

/* Columna visual — logo */
.about-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.logo-img--about {
  width: min(320px, 100%);
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(255, 131, 0, 0.15);
}


/* ── 8. PRESETS ───────────────────────────────────────────── */
/* Filtros */
.preset-filters {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--space-2xl);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--space-xs);
  scrollbar-width: none;
}
.preset-filters::-webkit-scrollbar { display: none; }

.filter-btn {
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border: 1.5px solid var(--color-border);
  background: transparent;
  transition: all var(--transition-mid);
  white-space: nowrap;
  flex-shrink: 0;
}
.filter-btn:hover { color: var(--color-white); border-color: rgba(255,255,255,0.2); }
.filter-btn--active {
  background: var(--brand-orange);
  color: #000;
  border-color: var(--brand-orange);
}

/* Grid de presets */
.presets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

/* Tarjeta de preset */
.preset-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-mid), box-shadow var(--transition-mid), border-color var(--transition-mid);
  position: relative;
}
.preset-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(142, 0, 139, 0.15);
  border-color: rgba(255, 131, 0, 0.3);
}

.preset-card__trigger {
  display: flex;
  flex-direction: column;
  flex: 1;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  cursor: pointer;
}

.preset-card__image {
  position: relative;
  height: 170px;
  overflow: hidden;
}

.preset-card__image:has(.preset-thumb--photo) {
  height: auto;
  aspect-ratio: 1 / 1;
}

/* Thumbnails ilustrativos con gradientes */
.preset-thumb {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  transition: transform var(--transition-slow);
}
.preset-card:hover .preset-thumb { transform: scale(1.08); }

.preset-thumb--photo {
  background: #0a0a0a;
  padding: 0;
  display: block;
}
.preset-thumb--photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

.preset-thumb--metal,
.preset-thumb--worship,
.preset-thumb--rock,
.preset-thumb--studio,
.preset-thumb--ambient,
.preset-thumb--modulation,
.preset-thumb--drive,
.preset-thumb--pack,
.preset-thumb--helix {
  background: linear-gradient(135deg, var(--brand-orange) 0%, var(--brand-purple-mid) 50%, var(--brand-purple) 100%);
}

.preset-thumb--metal    { color: #ff4444; }
.preset-thumb--worship  { color: var(--brand-orange); }
.preset-thumb--rock     { color: var(--brand-orange-mid); }
.preset-thumb--studio   { color: var(--brand-purple-mid); }
.preset-thumb--ambient  { color: var(--brand-purple); }
.preset-thumb--modulation { color: var(--brand-purple-mid); }
.preset-thumb--drive    { color: var(--brand-orange-dark); }
.preset-thumb--pack     { color: var(--brand-purple); }
.preset-thumb--helix    { color: var(--brand-orange-mid); }

/* Etiquetas en tarjeta */
.preset-card__tags {
  position: absolute;
  bottom: var(--space-sm);
  left: var(--space-sm);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  max-width: calc(100% - 1rem);
}

.product-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
}
.product-tag--gift    { background: rgba(255, 184, 0, 0.2);  color: #ffb800; border-color: rgba(255, 184, 0, 0.35); }
.product-tag--ir      { background: rgba(0, 229, 176, 0.15); color: #00e5b0; border-color: rgba(0, 229, 176, 0.35); }
.product-tag--worship { background: rgba(142, 0, 139, 0.2);  color: #c77fd4; border-color: rgba(142, 0, 139, 0.35); }
.product-tag--ambient { background: rgba(92, 0, 139, 0.2);   color: #b87fd4; border-color: rgba(92, 0, 139, 0.35); }
.product-tag--premium { background: rgba(255, 131, 0, 0.2);  color: var(--brand-orange); border-color: rgba(255, 131, 0, 0.35); }

/* Badge de compatibilidad */
.preset-badge {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  background: rgba(142, 0, 139,0.15);
  border: 1px solid rgba(142, 0, 139,0.35);
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
}
.preset-badge--helix {
  background: rgba(255, 131, 0, 0.15);
  border-color: rgba(255, 131, 0, 0.35);
  color: var(--brand-orange);
}
.preset-badge--headrush {
  background: rgba(255, 98, 0, 0.15);
  border-color: rgba(255, 98, 0, 0.35);
  color: var(--brand-orange-dark);
}
.preset-badge--zoom {
  background: rgba(92, 0, 139, 0.15);
  border-color: rgba(92, 0, 139, 0.35);
  color: #c77fd4;
}
.preset-badge--hx {
  background: rgba(0,229,176,0.15);
  border-color: rgba(0,229,176,0.35);
  color: #00e5b0;
}

.preset-card__body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.preset-card__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.3;
}

.preset-card__desc {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}

.preset-card__compat {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}
.preset-card__compat li {
  font-size: 0.7rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-text-faint);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
}

.preset-card__footer {
  padding: var(--space-md) var(--space-lg) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.preset-card__actions {
  display: flex;
  gap: var(--space-xs);
  width: 100%;
}
.preset-card__actions .btn { width: 100%; justify-content: center; }

.preset-price {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--color-white);
}
.preset-price--consult {
  font-size: 1rem;
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* Nota informativa */
.presets-note {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-2xl);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-accent-dim);
  border: 1px solid rgba(142, 0, 139,0.2);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}
.presets-note i { color: var(--color-accent); flex-shrink: 0; }


/* ── 9. CLASES ────────────────────────────────────────────── */
.classes-locations {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.classes-location-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  min-width: min(100%, 280px);
  flex: 1;
  max-width: 360px;
  transition: border-color var(--transition-mid), box-shadow var(--transition-mid);
}
.classes-location-card:hover {
  border-color: rgba(255, 131, 0, 0.25);
  box-shadow: var(--shadow-sm);
}

.classes-location-card__icon {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.classes-location-card--presential .classes-location-card__icon {
  background: rgba(142, 0, 139, 0.15);
  color: var(--brand-purple-mid);
}
.classes-location-card--online .classes-location-card__icon {
  background: rgba(255, 131, 0, 0.15);
  color: var(--brand-orange);
}

.classes-location-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 2px;
}
.classes-location-card span {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.classes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-lg);
}

.class-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  overflow: hidden;
  transition: transform var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid);
}

.class-card--has-image {
  padding: 0;
  gap: 0;
}

.class-card--has-image .class-card__body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  flex: 1;
}

.class-card__image {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #0a0a0a;
  overflow: hidden;
}

.class-card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  transition: transform var(--transition-slow);
}

.class-card--has-image:hover .class-card__image img {
  transform: scale(1.03);
}

.class-card:hover {
  transform: translateY(-6px);
  border-color: rgba(142, 0, 139,0.2);
  box-shadow: var(--shadow-md), 0 0 20px rgba(142, 0, 139,0.06);
}

.class-card__icon {
  position: relative;
  width: 64px; height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.class-emoji { font-size: 2.5rem; position: relative; z-index: 1; }

.class-icon-ring {
  position: absolute;
  inset: 0;
  border: 1.5px solid rgba(142, 0, 139,0.2);
  border-radius: 50%;
  animation: spin-slow 8s linear infinite;
}
.class-icon-ring::before {
  content: '';
  position: absolute;
  width: 6px; height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  top: -3px; left: 50%;
  transform: translateX(-50%);
}

.class-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-white);
}

.class-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
}

.class-card--has-image .btn--class-wa {
  margin-top: auto;
}

.class-meta {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.class-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-dim);
  border: 1px solid rgba(142, 0, 139,0.2);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
}

.class-tag--online { color: var(--brand-orange); background: rgba(255, 131, 0, 0.1); border-color: rgba(255, 131, 0, 0.25); }
.class-tag--city   { color: #c77fd4; background: rgba(142, 0, 139, 0.1); border-color: rgba(142, 0, 139, 0.25); }

.btn--class-wa:hover {
  background: #25D366;
  border-color: #25D366;
  color: #fff;
}


/* ── 10. TESTIMONIOS ──────────────────────────────────────── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: border-color var(--transition-mid), box-shadow var(--transition-mid);
}
.testimonial-card:hover {
  border-color: rgba(142, 0, 139,0.2);
  box-shadow: var(--shadow-md);
}

.testimonial-stars { color: #FFB800; font-size: 0.875rem; display: flex; gap: 3px; }

.testimonial-text {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  font-style: italic;
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-style: normal;
}

.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-accent-dim);
  border: 1.5px solid rgba(142, 0, 139,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-accent);
  flex-shrink: 0;
}

.author-name {
  display: block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-white);
  font-style: normal;
}
.author-role {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-faint);
  margin-top: 2px;
}


/* ── 11. FAQ ──────────────────────────────────────────────── */
.faq-container { max-width: 760px; }

.faq-list { display: flex; flex-direction: column; gap: var(--space-sm); }

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.faq-item:has(.faq-question[aria-expanded="true"]) {
  border-color: rgba(142, 0, 139,0.25);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: none;
  border: none;
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
}
.faq-question:hover { color: var(--color-accent); }

.faq-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--color-bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--color-accent);
  transition: transform var(--transition-mid), background var(--transition-mid);
}
.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
  background: var(--color-accent);
  color: #000;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-answer:not([hidden]) {
  max-height: 300px;
  padding: 0 var(--space-lg) var(--space-lg);
}
.faq-answer[hidden] { display: block !important; }

.faq-answer p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}
.faq-answer strong { color: var(--color-white); }


/* ── 12. CONTACTO ─────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

/* Formulario */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group { display: flex; flex-direction: column; gap: var(--space-xs); }

.form-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.form-label-optional {
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  color: var(--color-text-faint);
  font-size: 0.75rem;
}

.form-input {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  color: var(--color-white);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
.form-input::placeholder { color: var(--color-text-faint); }
.form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}
.form-input.is-invalid { border-color: #ff4444; }

.form-textarea { resize: vertical; min-height: 120px; }

.form-error {
  font-size: 0.78rem;
  color: #ff6b6b;
  min-height: 1em;
}

.form-success {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: rgba(0,229,176,0.1);
  border: 1px solid rgba(0,229,176,0.3);
  border-radius: var(--radius-md);
  color: #00e5b0;
  font-size: 0.9rem;
}
.form-success:not([hidden]) { display: flex; }

/* Info de contacto */
.contact-info__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-xl);
}

.social-links { display: flex; flex-direction: column; gap: var(--space-md); }

.social-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-mid);
  text-decoration: none;
}
.social-link:hover { transform: translateX(6px); }

.social-link--whatsapp:hover  { border-color: #25D366; background: rgba(37,211,102,0.06); }
.social-link--instagram:hover { border-color: #E1306C; background: rgba(225,48,108,0.06); }
.social-link--facebook:hover  { border-color: #1877F2; background: rgba(24,119,242,0.06); }
.social-link--youtube:hover   { border-color: #FF0000; background: rgba(255,0,0,0.06); }

.social-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.social-link--whatsapp  .social-icon { background: rgba(37,211,102,0.15);  color: #25D366; }
.social-link--instagram .social-icon { background: rgba(225,48,108,0.15);  color: #E1306C; }
.social-link--facebook  .social-icon { background: rgba(24,119,242,0.15);  color: #1877F2; }
.social-link--youtube   .social-icon { background: rgba(255,0,0,0.15);     color: #FF0000; }

.social-name {
  display: block;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-white);
}
.social-handle { font-size: 0.78rem; color: var(--color-text-muted); }

.contact-email {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}
.contact-email i { color: var(--color-accent); }
.contact-email a { color: var(--color-accent); transition: opacity var(--transition-fast); }
.contact-email a:hover { opacity: 0.75; }


/* ── 13. FOOTER ───────────────────────────────────────────── */
.footer {
  background: #060010;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-3xl);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-3xl);
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--space-md);
  max-width: 260px;
  line-height: 1.6;
}

.footer-nav__title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer-nav__list { display: flex; flex-direction: column; gap: var(--space-xs); }
.footer-nav__list a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}
.footer-nav__list a:hover { color: var(--color-accent); }

.footer-social__icons {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.footer-social__link {
  width: 40px; height: 40px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: all var(--transition-mid);
}
.footer-social__link:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #000;
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: var(--space-lg) 0;
}
.footer-bottom__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer-copy,
.footer-legal {
  font-size: 0.8rem;
  color: var(--color-text-faint);
}


/* ── 14. BOTÓN VOLVER ARRIBA ──────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 999;
  width: 48px; height: 48px;
  background: var(--color-accent);
  color: #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: var(--shadow-md), var(--shadow-glow);
  transition: all var(--transition-mid);
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
}
.back-to-top:not([hidden]) {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 40px var(--color-accent-glow);
}


/* ── 15. MODAL PRODUCTO ───────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  opacity: 0;
  transition: opacity 0.28s ease;
}
.modal-overlay.is-open { opacity: 1; }
.modal-overlay[hidden] { display: none !important; }

.modal {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 400px;
  width: 100%;
  text-align: center;
  position: relative;
  transform: translateY(24px) scale(0.97);
  opacity: 0;
  transition: transform 0.32s ease, opacity 0.32s ease;
}
.modal-overlay.is-open .modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.modal--product {
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  text-align: left;
  padding: 0;
}

.modal-product__inner {
  padding: var(--space-2xl);
}

.modal-close {
  position: absolute;
  top: var(--space-md); right: var(--space-md);
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--color-bg-3);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  transition: background var(--transition-fast), color var(--transition-fast);
  z-index: 2;
}
.modal-close:hover { background: var(--color-border); color: var(--color-white); }

.modal-product__hero {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  margin-bottom: var(--space-lg);
}

.modal-product__thumb {
  width: 88px;
  height: 88px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  font-size: 2rem;
  overflow: hidden;
}

.modal-product__hero--with-photo {
  flex-direction: column;
}

.modal-product__hero--with-photo .modal-product__thumb {
  width: 100%;
  height: auto;
  aspect-ratio: unset;
  max-height: none;
  border-radius: var(--radius-lg);
  background: #0a0a0a;
}

.modal-product__hero--with-photo .modal-product__thumb img {
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center;
  display: block;
}

.modal-product__header { flex: 1; min-width: 0; }

.modal-product__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: var(--space-xs) 0 var(--space-sm);
}

.modal-product__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.25;
  margin-bottom: var(--space-xs);
}

.modal-product-price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-accent);
}

.modal-product__desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.modal-features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.modal-feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: var(--space-sm);
  background: var(--color-bg-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.modal-feature__icon {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-dim);
  border-radius: 50%;
  color: var(--color-accent);
  font-size: 0.9rem;
}

.modal-feature__label {
  font-size: 0.72rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-text-muted);
  line-height: 1.3;
}

.modal-section {
  margin-bottom: var(--space-lg);
}

.modal-section__title {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.modal-section__title i { color: var(--color-accent); font-size: 0.85rem; }

.modal-includes {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.modal-includes li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.88rem;
  color: var(--color-text-muted);
}
.modal-includes li i {
  color: var(--color-accent);
  margin-top: 3px;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.modal-preset-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}
.modal-preset-list li {
  font-size: 0.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-text-muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
}

.modal-compat {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}
.modal-compat li {
  font-size: 0.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-text-faint);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-sm);
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.modal-actions--product {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}


/* ── 16. RESPONSIVE ───────────────────────────────────────── */

/* Tablet (≤ 1024px) */
@media (max-width: 1024px) {
  .about-grid    { gap: var(--space-2xl); }
  .contact-grid  { gap: var(--space-xl); }
  .footer-inner  { grid-template-columns: 1fr 1fr; }
}

/* Tablet pequeño / móvil grande (≤ 768px) */
@media (max-width: 768px) {

  :root { --nav-height: 64px; }

  /* Navbar mobile */
  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed;
    top: 0; right: -100%;
    width: min(320px, 90vw);
    height: 100vh;
    background: rgba(10, 0, 20, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid var(--color-border);
    padding: calc(var(--nav-height) + 2rem) var(--space-xl) var(--space-2xl);
    transition: right var(--transition-slow);
    z-index: 1005;
  }
  .nav-menu.is-open { right: 0; }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-lg);
  }
  .nav-link {
    font-size: 1rem;
    color: var(--color-text);
  }
  .nav-link--cta {
    display: inline-flex;
    margin-top: var(--space-md);
  }

  /* Hero */
  .hero-visual { display: none; }
  .hero-content { padding: var(--space-xl) var(--space-md); }
  .hero-title { font-size: clamp(3rem, 16vw, 5.5rem); }
  .logo-img--nav { height: 38px; }
  .hero-stats { gap: var(--space-md); }
  .stat__number { font-size: 1.4rem; }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .about-visual { order: -1; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

/* Móvil (≤ 480px) */
@media (max-width: 480px) {
  .container { padding: 0 var(--space-md); }
  .section { padding: var(--space-2xl) 0; }

  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 280px; justify-content: center; }

  .hero-stats { flex-direction: column; gap: var(--space-md); }
  .stat-divider { width: 80px; height: 1px; }

  .presets-grid   { grid-template-columns: 1fr; }
  .classes-locations { flex-direction: column; align-items: center; }
  .classes-location-card { max-width: 100%; }

  .classes-grid   { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom__inner { flex-direction: column; text-align: center; }

  .back-to-top { bottom: var(--space-md); right: var(--space-md); }

  .preset-card__footer { flex-direction: column; }
  .preset-card__actions { flex-direction: column; }

  .modal-product__hero { flex-direction: column; align-items: center; text-align: center; }
  .modal-product__tags { justify-content: center; }
  .modal-features { grid-template-columns: repeat(2, 1fr); }
  .modal-product__inner { padding: var(--space-lg); }
  .modal--product { max-height: 95vh; }
}