/* ════════════════════════════════════════════════════════
   SKYCLEAN — STYLES.CSS  v2
   Estructura:
   1.  Reset & Variables
   2.  Tipografía base & Botones
   3.  Navegación
   4.  Hero
   5.  Trust Bar
   6.  Servicios
   7.  Cómo Funciona
   8.  Formulario Multi-paso
   9.  Footer
   10. Animaciones
   11. Responsive
════════════════════════════════════════════════════════ */


/* ─────────────────────────────────
   1. RESET & VARIABLES
───────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --sky:        #0ea5e9;
  --sky-light:  #e0f2fe;
  --sky-dark:   #0369a1;
  --teal:       #14b8a6;
  --teal-light: #ccfbf1;
  --white:      #ffffff;
  --off-white:  #f8fafc;
  --slate-100:  #f1f5f9;
  --slate-200:  #e2e8f0;
  --slate-400:  #94a3b8;
  --slate-500:  #64748b;
  --slate-600:  #475569;
  --slate-700:  #334155;
  --slate-800:  #1e293b;
  --slate-900:  #0f172a;
  --font-display: 'Cormorant Garamond', serif;
  --font-body:    'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--slate-800);
  background: var(--white);
  overflow-x: hidden;
}


/* ─────────────────────────────────
   2. TIPOGRAFÍA BASE & BOTONES
───────────────────────────────── */

/* Encabezado de sección pequeño */
.section-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sky);
  margin-bottom: 1rem;
}

/* Título principal de sección */
.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.5vw, 3.5rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--slate-900);
  margin-bottom: 1rem;
}

/* Párrafo introductorio de sección */
.section-sub {
  font-size: 1rem;
  font-weight: 300;
  color: var(--slate-600);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 4rem;
}

/* Botón primario azul */
.btn-primary {
  background: var(--sky);
  color: white;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  display: inline-block;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--sky-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(14,165,233,0.3);
}

/* Botón secundario — solo texto con flecha */
.btn-secondary {
  color: var(--slate-700);
  font-size: 0.9rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}
.btn-secondary:hover { color: var(--sky-dark); }
.btn-secondary::after { content: '→'; transition: transform 0.2s; }
.btn-secondary:hover::after { transform: translateX(3px); }


/* ─────────────────────────────────
   3. NAVEGACIÓN
   Fija, fondo translúcido con blur.
   Logo externo con img tag.
───────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--slate-200);
  transition: box-shadow 0.3s;
}

/* Logo imagen externa — altura controlada por CSS */
.nav-logo-img {
  height: 50px;     /* Ajustar según el logo final */
  width: auto;
  display: block;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--slate-600);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--sky-dark); }

/* CTA de la nav */
.nav-cta {
  background: var(--sky) !important;
  color: white !important;
  padding: 0.6rem 1.4rem;
  border-radius: 50px;
  font-weight: 500 !important;
  transition: background 0.2s, transform 0.15s !important;
}
.nav-cta:hover {
  background: var(--sky-dark) !important;
  transform: translateY(-1px);
}

/* Botón hamburguesa móvil (oculto en desktop) */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--slate-800);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.2s;
}

/* Menú móvil desplegable */
.mobile-menu {
  display: none;
  position: fixed;
  top: 65px; left: 0; right: 0;
  background: white;
  border-bottom: 1px solid var(--slate-200);
  padding: 1rem 1.5rem;
  z-index: 99;
  flex-direction: column;
  gap: 0.5rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.mobile-menu.open { display: flex; }
.mobile-link {
  font-size: 1rem;
  color: var(--slate-700);
  text-decoration: none;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--slate-100);
}
.mobile-cta {
  background: var(--sky);
  color: white !important;
  text-align: center;
  border-radius: 50px;
  padding: 0.75rem 1rem;
  margin-top: 0.5rem;
  border: none;
  font-weight: 500;
}


/* ─────────────────────────────────
   4. HERO
   Dos columnas: texto + grilla imágenes.
   Imágenes externas via background-image.
───────────────────────────────── */
#hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding-top: 65px;
  overflow: hidden;
}

/* Columna izquierda */
.hero-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 4rem 6rem 6rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--sky-light);
  color: var(--sky-dark);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 0.9rem;
  border-radius: 50px;
  margin-bottom: 2rem;
  width: fit-content;
}
.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--sky);
  display: block;
}

.hero-heading {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--slate-900);
  margin-bottom: 1.5rem;
}
.hero-heading em { font-style: italic; color: var(--sky); }

.hero-sub {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--slate-600);
  line-height: 1.7;
  max-width: 440px;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--slate-200);
}
.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  color: var(--slate-900);
  line-height: 1;
  margin-bottom: 0.25rem;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--slate-400);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Columna derecha: imágenes */
.hero-right {
  position: relative;
  background: var(--sky-light);
  overflow: hidden;
}
.hero-visual { width: 100%; height: 100%; position: relative; }

/* Grilla 2x2 de imágenes — background-image se define inline en el HTML */
.hero-img-grid {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 4px;
}
.hero-img-cell {
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  /* Fallback si la imagen no carga */
  background-color: var(--sky-light);
}
.hero-img-cell::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14,165,233,0.1), transparent);
}

/* Tarjeta flotante animada */
.hero-overlay-card {
  position: absolute;
  bottom: 2rem; left: -2rem;
  background: white;
  border-radius: 16px;
  padding: 1rem 1.25rem;
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10;
  animation: floatUp 3s ease-in-out infinite;
}
.overlay-icon {
  width: 44px; height: 44px;
  background: var(--teal-light);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.overlay-text-main { font-weight: 500; font-size: 0.875rem; color: var(--slate-900); }
.overlay-text-sub  { font-size: 0.75rem; color: var(--slate-400); }


/* ─────────────────────────────────
   5. TRUST BAR
───────────────────────────────── */
.trust-bar {
  background: var(--slate-900);
  padding: 1.25rem 6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--slate-400);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
}
.trust-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
}


/* ─────────────────────────────────
   6. SERVICIOS
───────────────────────────────── */
#services {
  padding: 8rem 6rem;
  background: var(--off-white);
}

/* Grilla de servicios — 2 columnas */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  border: 2px solid var(--slate-200);
  border-radius: 20px;
  overflow: hidden;
  background: var(--slate-200);
}

.service-card {
  background: white;
  padding: 2.5rem;
  position: relative;
  transition: background 0.3s;
}
.service-card:hover { background: var(--sky-light); }

/* Tarjeta destacada ancho completo */
.service-card.featured {
  grid-column: 1 / -1;
  background: var(--slate-900);
}
.service-card.featured:hover { background: var(--sky-dark); }

.service-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--sky-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}
.service-card.featured .service-icon { background: rgba(255,255,255,0.12); }

.service-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  margin-bottom: 0.5rem;
  color: var(--slate-900);
}
.service-card.featured .service-name { color: white; }

.service-desc {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--slate-600);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}
.service-card.featured .service-desc { color: rgba(255,255,255,0.7); }

.service-includes { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; }
.service-includes li {
  font-size: 0.8rem;
  color: var(--slate-600);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}
.service-card.featured .service-includes li { color: rgba(255,255,255,0.65); }
.service-includes li::before { content: '✓'; color: var(--teal); font-weight: 600; flex-shrink: 0; margin-top: 1px; }

.service-tag {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  background: var(--sky-light);
  color: var(--sky-dark);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 50px;
}
.service-card.featured .service-tag { background: rgba(255,255,255,0.15); color: rgba(255,255,255,0.85); }

/* Add-ons */
.extras-section { margin-top: 3rem; }
.extras-heading {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--slate-900);
  margin-bottom: 1.25rem;
}
.extras-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.extra-pill {
  background: white;
  border: 1px solid var(--slate-200);
  border-radius: 12px;
  padding: 0.9rem 1.1rem;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--slate-700);
  transition: border-color 0.2s, background 0.2s;
}
.extra-pill:hover { border-color: var(--sky); background: var(--sky-light); color: var(--sky-dark); }
.extra-pill-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); flex-shrink: 0; }


/* ─────────────────────────────────
   7. CÓMO FUNCIONA
───────────────────────────────── */
#how {
  padding: 8rem 6rem;
  background: white;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 4rem;
  position: relative;
}

/* Línea conectora horizontal */
.steps-grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 28px);
  right: calc(12.5% + 28px);
  height: 1px;
  background: linear-gradient(to right, var(--sky), var(--teal));
  z-index: 0;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

.step-num {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--sky);
  color: white;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}
.step:nth-child(2) .step-num { background: var(--sky-dark); }
.step:nth-child(3) .step-num { background: var(--teal); }
.step:nth-child(4) .step-num { background: var(--slate-800); }

.step-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--slate-900);
  margin-bottom: 0.5rem;
}
.step-desc { font-size: 0.82rem; color: var(--slate-500); line-height: 1.6; font-weight: 300; }


/* ─────────────────────────────────
   8. FORMULARIO MULTI-PASO
───────────────────────────────── */
#book {
  padding: 8rem 6rem;
  background: var(--slate-900);
  position: relative;
  overflow: hidden;
}

/* Destellos decorativos de fondo */
#book::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14,165,233,0.15) 0%, transparent 70%);
  pointer-events: none;
}
#book::after {
  content: '';
  position: absolute;
  bottom: -200px; left: -100px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20,184,166,0.1) 0%, transparent 70%);
  pointer-events: none;
}

/* Layout dos columnas: texto + formulario */
.book-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 6rem;
  position: relative;
  z-index: 1;
}

/* Columna izquierda */
.book-left { padding-top: 1rem; }
.book-left .section-heading { color: white; }
.book-left .section-sub { color: rgba(255,255,255,0.55); margin-bottom: 0; }

.book-promises { display: flex; flex-direction: column; gap: 1.25rem; margin-top: 2.5rem; }
.promise-item { display: flex; align-items: flex-start; gap: 12px; }
.promise-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(14,165,233,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.promise-text strong { display: block; font-size: 0.875rem; font-weight: 500; color: white; margin-bottom: 2px; }
.promise-text p { font-size: 0.8rem; color: rgba(255,255,255,0.45); line-height: 1.5; font-weight: 300; }

/* ── Tarjeta blanca del formulario ── */
.book-form-card {
  background: white;
  border-radius: 24px;
  padding: 2rem 2.5rem 2.5rem;
}

/* ── Barra de progreso ── */
.progress-bar { margin-bottom: 2rem; }
.progress-steps {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  position: relative;
}
.progress-step span {
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--slate-400);
  font-weight: 500;
  white-space: nowrap;
}
.progress-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--slate-200);
  transition: background 0.3s, transform 0.2s;
}
.progress-step.active .progress-dot { background: var(--sky); transform: scale(1.3); }
.progress-step.done .progress-dot   { background: var(--teal); }
.progress-step.active span { color: var(--sky); }
.progress-step.done span   { color: var(--teal); }

.progress-line {
  flex: 1;
  height: 1px;
  background: var(--slate-200);
  margin: 0 4px;
  margin-bottom: 18px;
  transition: background 0.3s;
}
.progress-line.done { background: var(--teal); }

/* ── Pasos del formulario ── */
.form-step { display: none; }
.form-step.active { display: block; }

.step-form-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--slate-900);
  margin-bottom: 0.3rem;
}
.step-form-sub {
  font-size: 0.82rem;
  color: var(--slate-400);
  margin-bottom: 1.5rem;
  font-weight: 300;
  line-height: 1.5;
}

/* Grid de campos 2 columnas */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--slate-600);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* Campos del formulario */
.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--slate-800);
  background: var(--off-white);
  border: 1.5px solid var(--slate-200);
  border-radius: 10px;
  padding: 0.7rem 1rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-color: var(--off-white);
  padding-right: 2.5rem;
  cursor: pointer;
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--sky);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.12);
  background: white;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--slate-400); }

/* Grupos de radio inline */
.radio-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 4px;
}

.radio-option {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--slate-700);
  cursor: pointer;
  padding: 0.65rem 1.25rem;
  border: 1.5px solid var(--slate-200);
  border-radius: 10px;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
  white-space: nowrap;
  flex: 0 0 auto;
  background: white;
}

.radio-option:hover {
  border-color: var(--sky);
  background: var(--sky-light);
  color: var(--sky-dark);
}

.radio-option input[type="radio"] {
  display: none;
}

/* Estado seleccionado */
.radio-option:has(input[type="radio"]:checked) {
  border-color: var(--sky);
  background: var(--sky-light);
  color: var(--sky-dark);
  font-weight: 600;
}

/* ── Selector de servicio (paso 2) ── */
.service-selector { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 1.5rem; }
.service-option { cursor: pointer; }
.service-option input[type="radio"] { display: none; }
.service-option-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0.9rem 1rem;
  border: 1.5px solid var(--slate-200);
  border-radius: 12px;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
}
.service-option-inner:hover { border-color: var(--sky); background: var(--sky-light); }
.service-option input:checked + .service-option-inner {
  border-color: var(--sky);
  background: var(--sky-light);
}
.service-option-icon { font-size: 1.4rem; flex-shrink: 0; }
.service-option-inner strong { display: block; font-size: 0.875rem; color: var(--slate-900); }
.service-option-inner p { font-size: 0.78rem; color: var(--slate-500); margin: 0; font-weight: 300; }
.service-check {
  margin-left: auto;
  color: var(--sky);
  font-weight: 600;
  opacity: 0;
  transition: opacity 0.2s;
}
.service-option input:checked + .service-option-inner .service-check { opacity: 1; }

/* ── Lista de adicionales (paso 4) ── */
.extras-checklist { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.5rem; max-height: 400px; overflow-y: auto; padding-right: 4px; }

/* Scrollbar sutil */
.extras-checklist::-webkit-scrollbar { width: 4px; }
.extras-checklist::-webkit-scrollbar-track { background: var(--slate-100); border-radius: 4px; }
.extras-checklist::-webkit-scrollbar-thumb { background: var(--slate-300, #cbd5e1); border-radius: 4px; }

.extra-check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--slate-200);
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--slate-700);
  transition: border-color 0.2s, background 0.2s;
}
.extra-check-item:hover { border-color: var(--sky); background: var(--sky-light); }
.extra-check-item input[type="checkbox"] { accent-color: var(--sky); width: 16px; height: 16px; flex-shrink: 0; }
.extra-check-item input:checked ~ span { color: var(--sky-dark); font-weight: 500; }

/* Sub-preguntas de extras — ocultas por defecto */
.extra-detail {
  display: none;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  background: var(--sky-light);
  border-radius: 10px;
  border: 1px solid rgba(14,165,233,0.2);
  margin-top: -2px;
}
.extra-detail.visible { display: block; }
.extra-detail label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--sky-dark);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.5rem;
}
.extra-detail select {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--slate-800);
  background: white;
  border: 1.5px solid var(--slate-200);
  border-radius: 8px;
  padding: 0.5rem 0.9rem;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  width: 100%;
  max-width: 280px;
}
.extra-detail .radio-group { margin-top: 0; }
.extra-detail .radio-option {
  font-size: 0.8rem;
  padding: 0.4rem 0.75rem;
  background: white;
}

/* ── Navegación entre pasos ── */
.form-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--slate-100);
}

.btn-next {
  background: var(--sky);
  color: white;
  border: none;
  border-radius: 50px;
  padding: 0.7rem 1.6rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.btn-next:hover { background: var(--sky-dark); transform: translateY(-1px); }

.btn-back {
  background: none;
  color: var(--slate-500);
  border: none;
  font-family: var(--font-body);
  font-size: 0.875rem;
  cursor: pointer;
  transition: color 0.2s;
  padding: 0;
}
.btn-back:hover { color: var(--slate-800); }

/* ── Resumen (paso 5) ── */
.summary-ticket {
  background: var(--off-white);
  border: 1px solid var(--slate-200);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  font-size: 0.85rem;
  gap: 1rem;
}
.summary-row:not(:last-child) {
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--slate-200);
}
.summary-label { color: var(--slate-500); font-weight: 400; white-space: nowrap; }
.summary-value { color: var(--slate-900); font-weight: 500; text-align: right; }
.summary-extras { color: var(--sky-dark); font-size: 0.8rem; text-align: right; line-height: 1.6; }

/* Botón de envío */
.form-submit {
  margin-top: 1.25rem;
  width: 100%;
  padding: 1rem;
  background: var(--sky);
  color: white;
  border: none;
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.form-submit:hover {
  background: var(--sky-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(14,165,233,0.35);
}

.form-note {
  font-size: 0.75rem;
  color: var(--slate-400);
  text-align: center;
  margin-top: 0.75rem;
  line-height: 1.5;
  font-weight: 300;
}

/* ── Pantalla de éxito ── */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 2rem;
  gap: 1rem;
}
.success-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--teal-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
}
.success-title { font-family: var(--font-display); font-size: 1.8rem; color: var(--slate-900); }
.success-text { font-size: 0.875rem; color: var(--slate-500); max-width: 280px; line-height: 1.6; font-weight: 300; }


/* ─────────────────────────────────
   9. FOOTER
   Logo externo con img tag
───────────────────────────────── */
footer {
  background: var(--slate-900);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 1.5rem 6rem;        /* ← era 3rem, ahora mucho más delgado */
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo-img {
  height: 50px;               /* ← un poco más pequeño para el footer delgado */
  width: auto;
  object-fit: contain;
  opacity: 0.85;
}  

.footer-note { font-size: 0.8rem; color: rgba(255,255,255,0.3); font-weight: 300; }
.footer-links { display: flex; gap: 2rem; list-style: none; }
.footer-links a { font-size: 0.8rem; color: rgba(255,255,255,0.4); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--sky); }


/* ─────────────────────────────────
   10. ANIMACIONES
───────────────────────────────── */
@keyframes floatUp {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Entrada escalonada del hero */
.hero-badge   { animation: fadeInUp 0.6s ease both; }
.hero-heading { animation: fadeInUp 0.6s 0.1s ease both; }
.hero-sub     { animation: fadeInUp 0.6s 0.2s ease both; }
.hero-actions { animation: fadeInUp 0.6s 0.3s ease both; }
.hero-stats   { animation: fadeInUp 0.6s 0.4s ease both; }


/* ─────────────────────────────────
   11. RESPONSIVE
───────────────────────────────── */

/* Tablet (≤ 1100px) */
@media (max-width: 1100px) {
  #hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-left { padding: 5rem 2.5rem 3rem; }
  .hero-right { min-height: 50vw; }

  #services, #how, #book { padding: 5rem 2.5rem; }
  nav { padding: 1rem 2.5rem; }
  .trust-bar { padding: 1.25rem 2.5rem; gap: 1.5rem; }
  footer { padding: 2.5rem; }

  .book-inner { grid-template-columns: 1fr; gap: 3rem; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
  .steps-grid::before { display: none; }
  .extras-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .service-card.featured { grid-column: auto; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: auto; }
}

/* Móvil (≤ 640px) */
@media (max-width: 640px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .hero-left { padding: 4rem 1.5rem 2rem; }
  #services, #how, #book { padding: 4rem 1.5rem; }
  footer { padding: 2rem 1.5rem; flex-direction: column; align-items: flex-start; gap: 1rem; }

  .trust-bar { padding: 1.25rem 1.5rem; gap: 1rem; }
  .extras-grid { grid-template-columns: 1fr; }
  .steps-grid  { grid-template-columns: 1fr; }
  .book-form-card { padding: 1.5rem; }
  .progress-steps span { display: none; }
  .progress-dot { width: 8px; height: 8px; }
}

/* ════════════════════════════════════════
   BURBUJA DE CONTACTO RÁPIDO
   Botón flotante + tarjeta desplegable
════════════════════════════════════════ */

/* Contenedor principal — posición fija esquina inferior derecha */
.bubble-wrapper {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1rem;
  pointer-events: none;
}

/* ── Botón flotante ── */
.bubble-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--sky);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(14, 165, 233, 0.45);
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  position: relative;
  flex-shrink: 0;
  pointer-events: all;
}

.bubble-btn:hover {
  background: var(--sky-dark);
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(14, 165, 233, 0.55);
}

/* Íconos del botón */
.bubble-btn svg {
  width: 22px;
  height: 22px;
  position: absolute;
  transition: opacity 0.2s, transform 0.2s;
}

/* Estado cerrado: muestra mensaje, oculta X */
.bubble-icon-open  { opacity: 1; transform: scale(1); }
.bubble-icon-close { opacity: 0; transform: scale(0.5); }

/* Estado abierto: muestra X, oculta mensaje */
.bubble-wrapper.open .bubble-icon-open  { opacity: 0; transform: scale(0.5); }
.bubble-wrapper.open .bubble-icon-close { opacity: 1; transform: scale(1); }

/* Punto de notificación — pequeño indicador rojo */
.bubble-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ef4444;
  border: 2px solid white;
  transition: opacity 0.2s;
}

/* Ocultar badge cuando está abierto */
.bubble-wrapper.open .bubble-badge { opacity: 0; }

/* ── Tarjeta desplegable ── */
.bubble-card {
  width: 320px;
  background: white;
  border-radius: 20px;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  pointer-events: all;

  /* Animación de entrada */
  opacity: 0;
  transform: translateY(16px) scale(0.96);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

/* Estado abierto — visible */
.bubble-wrapper.open .bubble-card {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

/* ── Header de la tarjeta ── */
.bubble-header {
  background: var(--sky);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bubble-header-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Avatar SC */
.bubble-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bubble-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: white;
  margin: 0;
}

.bubble-status {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* Punto verde de "online" */
.bubble-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4ade80;
  display: inline-block;
  animation: pulse-green 2s ease-in-out infinite;
}

@keyframes pulse-green {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* Botón cerrar */
.bubble-close {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  font-size: 0.75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  flex-shrink: 0;
}

.bubble-close:hover { background: rgba(255, 255, 255, 0.35); }

/* ── Cuerpo — formulario ── */
.bubble-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Texto aclaratorio anti-spam */
.bubble-disclaimer {
  font-size: 0.78rem;
  color: var(--slate-600);
  line-height: 1.5;
  background: var(--sky-light);
  border-radius: 10px;
  padding: 0.65rem 0.85rem;
  margin: 0;
}

.bubble-disclaimer span {
  color: var(--slate-400);
  font-size: 0.72rem;
  display: block;
  margin-top: 3px;
}

/* Campos del formulario */
.bubble-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bubble-field label {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--slate-600);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.bubble-field input,
.bubble-field textarea {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--slate-800);
  background: var(--off-white);
  border: 1.5px solid var(--slate-200);
  border-radius: 8px;
  padding: 0.55rem 0.85rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  resize: none;
}

.bubble-field input:focus,
.bubble-field textarea:focus {
  border-color: var(--sky);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
  background: white;
}

.bubble-field input::placeholder,
.bubble-field textarea::placeholder { color: var(--slate-400); }

/* Botón enviar */
.bubble-submit {
  width: 100%;
  padding: 0.7rem;
  background: var(--sky);
  color: white;
  border: none;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  margin-top: 0.25rem;
}

.bubble-submit:hover {
  background: var(--sky-dark);
  transform: translateY(-1px);
}

/* ── Pantalla de éxito ── */
.bubble-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2.5rem 1.5rem;
  gap: 0.5rem;
}

.bubble-success-icon { font-size: 2.5rem; }

.bubble-success-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--slate-900);
  margin: 0;
}

.bubble-success-text {
  font-size: 0.82rem;
  color: var(--slate-500);
  margin: 0;
}

/* ── Responsive móvil ── */
@media (max-width: 640px) {
  .bubble-wrapper {
    bottom: 1.25rem;
    right: 1.25rem;
  }

  .bubble-card {
    width: calc(100vw - 2.5rem);
    max-width: 320px;
  }
}