/* ===================================================================
   ALAS ARGENTINAS – Hoja de estilos principal
   Estructura: Variables → Reset → Base → Layout → Componentes → Secciones → Utilidades → Responsive
   =================================================================== */

/* -------------------------------------------------------------------
   1. VARIABLES CSS
   ------------------------------------------------------------------- */
:root {
  /* Colores */
  --color-primary:       #0d2137;
  --color-primary-light: #183555;
  --color-secondary:     #1a6fb5;
  --color-accent:        #e8a020;
  --color-accent-dark:   #c48510;
  --color-light:         #f4f7fb;
  --color-dark:          #0a1520;
  --color-text:          #2c3e50;
  --color-text-muted:    #6b7a8d;
  --color-white:         #ffffff;
  --color-border:        #dde3ec;
  --color-success:       #1a9850;
  --color-error:         #d32f2f;
  --color-whatsapp:      #25d366;
  --color-whatsapp-dark: #128c4e;

  /* Tipografía */
  --font-heading: 'Montserrat', sans-serif;
  --font-body:    'Open Sans', sans-serif;
  --font-size-base: 1rem;       /* 16px */
  --line-height:    1.7;

  /* Espaciado */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Contenedor */
  --container-max: 1200px;
  --container-pad: 1.25rem;

  /* Sombras */
  --shadow-sm:  0 1px 4px rgba(0,0,0,.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.14);
  --shadow-xl:  0 16px 48px rgba(0,0,0,.18);

  /* Bordes */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-full: 9999px;

  /* Transiciones */
  --transition-fast:   150ms ease;
  --transition-normal: 280ms ease;
  --transition-slow:   450ms ease;

  /* Header height */
  --header-h: 70px;
}

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

/* Garantizar que [hidden] nunca sea anulado por reglas de display */
[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-white);
  overflow-x: hidden;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-accent); }
a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

ul, ol { list-style: none; }

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

address { font-style: normal; }

/* -------------------------------------------------------------------
   3. UTILIDADES BASE
   ------------------------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

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

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* -------------------------------------------------------------------
   4. BOTONES
   ------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  transition:
    background-color var(--transition-normal),
    color           var(--transition-normal),
    transform       var(--transition-fast),
    box-shadow      var(--transition-normal);
  cursor: pointer;
}
.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}
.btn--primary:hover {
  background-color: var(--color-primary-light);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-primary);
}
.btn--accent:hover {
  background-color: var(--color-accent-dark);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background-color: transparent;
  border: 2px solid var(--color-white);
  color: var(--color-white);
}
.btn--outline:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.btn--whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  font-size: 0.9375rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-full);
  font-weight: 600;
}
.btn--whatsapp:hover {
  background-color: var(--color-whatsapp-dark);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn--full  { width: 100%; }
.btn--lg    { padding: 0.9rem 2rem; font-size: 1rem; }
.btn--sm    { padding: 0.4rem 1rem; font-size: 0.85rem; }

/* -------------------------------------------------------------------
   5. COOKIE BANNER
   ------------------------------------------------------------------- */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 9999;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-md) var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  font-size: 0.875rem;
  box-shadow: 0 -2px 12px rgba(0,0,0,.2);
}
.cookie-banner a { color: var(--color-accent); }

/* -------------------------------------------------------------------
   6. HEADER / NAVEGACIÓN
   ------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background-color: var(--color-dark);
  transition: box-shadow var(--transition-normal);
}
.site-header.scrolled {
  box-shadow: 0 2px 12px rgba(0,0,0,.35);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.2rem;
  letter-spacing: 0.5px;
  text-decoration: none;
}
.nav__logo:hover { color: var(--color-accent); }
.nav__logo-icon { font-size: 1.5rem; color: var(--color-accent); }
.nav__logo-img  { height: 52px; width: auto; max-width: 200px; object-fit: contain; flex-shrink: 0; display: block; }
.nav__logo-text strong { color: var(--color-accent); }

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.nav__link {
  padding: var(--space-sm) var(--space-md);
  color: rgba(255,255,255,.88);
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}
.nav__link:hover, .nav__link.active {
  color: var(--color-accent);
}
.nav__link--cta {
  background-color: var(--color-accent);
  color: var(--color-primary) !important;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  font-weight: 700;
}
.nav__link--cta:hover {
  background-color: var(--color-accent-dark);
  color: var(--color-primary) !important;
}

/* Hamburger */
.nav__toggle {
  display: none;
  padding: var(--space-sm);
  color: var(--color-white);
  background: transparent;
  border: none;
}
.nav__hamburger,
.nav__hamburger::before,
.nav__hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}
.nav__hamburger { position: relative; }
.nav__hamburger::before,
.nav__hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}
.nav__hamburger::before { top: -7px; }
.nav__hamburger::after  { top:  7px; }

.nav__toggle[aria-expanded="true"] .nav__hamburger { background-color: transparent; }
.nav__toggle[aria-expanded="true"] .nav__hamburger::before { transform: rotate(45deg) translate(5px, 5px); }
.nav__toggle[aria-expanded="true"] .nav__hamburger::after  { transform: rotate(-45deg) translate(5px, -5px); }

/* -------------------------------------------------------------------
   7. HERO / SLIDER
   ------------------------------------------------------------------- */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
}

.hero__slider {
  width: 100%; height: 100%;
  position: relative;
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity var(--transition-slow);
  will-change: opacity;
}
.hero__slide--active { opacity: 1; z-index: 1; }

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10,21,32,.55) 0%,
    rgba(10,21,32,.40) 50%,
    rgba(10,21,32,.70) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--header-h);
  padding-bottom: var(--space-4xl);
  max-width: 700px;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background-color: rgba(232,160,32,.18);
  border: 1px solid rgba(232,160,32,.45);
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  width: fit-content;
  margin-bottom: var(--space-lg);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: var(--space-lg);
  text-shadow: 0 2px 8px rgba(0,0,0,.35);
}
.hero__title--accent { color: var(--color-accent); }

.hero__subtitle {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: rgba(255,255,255,.88);
  margin-bottom: var(--space-xl);
  max-width: 540px;
  text-shadow: 0 1px 4px rgba(0,0,0,.3);
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Controles del slider */
.hero__controls {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.hero__arrow {
  width: 44px; height: 44px;
  border-radius: 50%;
  background-color: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  color: var(--color-white);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
  backdrop-filter: blur(4px);
}
.hero__arrow:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.hero__dots {
  display: flex;
  gap: var(--space-sm);
}
.hero__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background-color: rgba(255,255,255,.45);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}
.hero__dot--active, .hero__dot:hover {
  background-color: var(--color-accent);
  transform: scale(1.3);
}

/* -------------------------------------------------------------------
   8. STATS BAR
   ------------------------------------------------------------------- */
.stats-bar {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-xl) 0;
}
.stats-bar__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  text-align: center;
}
.stat-item {
  padding: var(--space-md);
  border-right: 1px solid rgba(255,255,255,.12);
}
.stat-item:last-child { border-right: none; }
.stat-item__number {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1.1;
}
.stat-item__suffix {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--color-accent);
}
.stat-item__label {
  display: block;
  font-size: 0.8125rem;
  color: rgba(255,255,255,.72);
  margin-top: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* -------------------------------------------------------------------
   9. SECCIÓN BASE
   ------------------------------------------------------------------- */
.section {
  padding: var(--space-4xl) 0;
}
.section--alt {
  background-color: var(--color-light);
}
.section__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}
.section__tag {
  display: inline-block;
  color: var(--color-secondary);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}
.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.25;
  margin-bottom: var(--space-md);
}
.section__subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 620px;
  margin-inline: auto;
}

/* -------------------------------------------------------------------
   10. NOSOTROS
   ------------------------------------------------------------------- */
.nosotros__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}
.nosotros__text p {
  color: var(--color-text);
  margin-bottom: var(--space-md);
}
.nosotros__features {
  margin: var(--space-lg) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.nosotros__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.9375rem;
}
.nosotros__features li i {
  color: var(--color-accent);
  margin-top: 3px;
  flex-shrink: 0;
}
.nosotros__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background-color: var(--color-light);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
}
.badge i { color: var(--color-accent); }

.nosotros__image-wrap {
  position: relative;
}
.nosotros__img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  object-fit: cover;
  aspect-ratio: 4/3;
}
.nosotros__badge-float {
  position: absolute;
  bottom: -1.25rem;
  left: -1.25rem;
  background-color: var(--color-accent);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.nosotros__badge-year {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}
.nosotros__badge-text {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* -------------------------------------------------------------------
   11. CURSOS
   ------------------------------------------------------------------- */
.cursos__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
.curso-card {
  background-color: var(--color-white);
  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: transform var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
}
.curso-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.curso-card--featured {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(232,160,32,.25), var(--shadow-md);
}
.curso-card__badge {
  position: absolute;
  top: -0.75rem;
  right: var(--space-lg);
  background-color: var(--color-accent);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.85rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
}
.curso-card__icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background-color: rgba(26,111,181,.1);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}
.curso-card--featured .curso-card__icon {
  background-color: rgba(232,160,32,.12);
  color: var(--color-accent);
}
.curso-card__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
}
.curso-card__abbr {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: -var(--space-sm);
}
.curso-card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  flex: 1;
}
.curso-card__details {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.curso-card__details li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text);
}
.curso-card__details li i { color: var(--color-accent); }
.cursos__footer-note {
  margin-top: var(--space-2xl);
  text-align: center;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}
.cursos__footer-note i { color: var(--color-secondary); margin-right: var(--space-xs); }
.cursos__footer-note a { color: var(--color-secondary); font-weight: 600; }
.cursos__footer-note a:hover { color: var(--color-accent); }

/* -------------------------------------------------------------------
   12. FLOTA
   ------------------------------------------------------------------- */
.flota__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
.aeronave-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.aeronave-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.aeronave-card__img-wrap {
  overflow: hidden;
  aspect-ratio: 16/9;
  background-color: var(--color-light);
}
.aeronave-card__img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.aeronave-card:hover .aeronave-card__img {
  transform: scale(1.05);
}
.aeronave-card__body {
  padding: var(--space-lg);
}
.aeronave-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}
.aeronave-card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}
.aeronave-card__specs {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.aeronave-card__specs li {
  font-size: 0.875rem;
  color: var(--color-text);
}
.aeronave-card__specs strong { color: var(--color-primary); }
.flota__footer-note {
  margin-top: var(--space-2xl);
  text-align: center;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}
.flota__footer-note i { color: var(--color-accent); margin-right: var(--space-xs); }

/* -------------------------------------------------------------------
   13. GALERÍA
   ------------------------------------------------------------------- */
.galeria__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}
.galeria__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 4/3;
  cursor: pointer;
  background-color: var(--color-primary);
  padding: 0;
  border: none;
}
.galeria__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow), opacity var(--transition-normal);
}
.galeria__item:hover img {
  transform: scale(1.08);
  opacity: 0.75;
}
.galeria__item-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.75rem;
  opacity: 0;
  transition: opacity var(--transition-normal);
}
.galeria__item:hover .galeria__item-overlay { opacity: 1; }

.galeria__empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-3xl);
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* Item oculto por paginación */
.galeria__item--hidden { display: none !important; }

/* Animación al revelar nuevas fotos */
.galeria__item--reveal {
  animation: fadeInUp 0.4s ease both;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Sección Ver más */
.galeria__load-more {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-2xl);
}
.galeria__count {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* -------------------------------------------------------------------
   14. LIGHTBOX
   ------------------------------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0,0,0,.90);
  cursor: pointer;
}
.lightbox__container {
  position: relative;
  z-index: 1;
  max-width: min(90vw, 1000px);
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.lightbox__figure {
  flex: 1;
  text-align: center;
}
.lightbox__img {
  max-height: 80vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  width: auto;
  max-width: 100%;
}
.lightbox__caption {
  margin-top: var(--space-md);
  color: rgba(255,255,255,.78);
  font-size: 0.9375rem;
}
.lightbox__close {
  position: absolute;
  top: -3rem;
  right: 0;
  color: rgba(255,255,255,.85);
  font-size: 1.5rem;
  padding: var(--space-sm);
  transition: color var(--transition-fast);
}
.lightbox__close:hover { color: var(--color-accent); }
.lightbox__arrow {
  width: 48px; height: 48px;
  border-radius: 50%;
  background-color: rgba(255,255,255,.12);
  color: var(--color-white);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
  flex-shrink: 0;
}
.lightbox__arrow:hover { background-color: var(--color-accent); }

/* -------------------------------------------------------------------
   15. CONTACTO
   ------------------------------------------------------------------- */
.contacto__grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: var(--space-3xl);
  align-items: start;
}

/* Formulario */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.contact-form__honeypot {
  display: none !important;
  visibility: hidden;
  height: 0;
  overflow: hidden;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.form-group--check {
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.form-group--check input[type="checkbox"] {
  width: 18px; height: 18px;
  margin-top: 2px;
  cursor: pointer;
  flex-shrink: 0;
  accent-color: var(--color-accent);
}
.form-group--check label { font-size: 0.875rem; }

.form-label {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
}
.required { color: var(--color-error); margin-left: 2px; }
.form-input {
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text);
  background-color: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}
.form-input:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(26,111,181,.12);
}
.form-input.is-invalid {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(211,47,47,.1);
}
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b7a8d' d='M1 1l5 5 5-5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }
.form-textarea { resize: vertical; min-height: 120px; }
.form-error {
  font-size: 0.8125rem;
  color: var(--color-error);
  min-height: 1rem;
}
.form-status {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  text-align: center;
}
.form-status.success {
  background-color: rgba(26,152,80,.1);
  border: 1px solid rgba(26,152,80,.3);
  color: var(--color-success);
}
.form-status.error {
  background-color: rgba(211,47,47,.1);
  border: 1px solid rgba(211,47,47,.3);
  color: var(--color-error);
}

/* Info de contacto */
.contacto__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}
.contact-info-block {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}
.contact-info-block__icon {
  width: 44px; height: 44px;
  background-color: rgba(26,111,181,.1);
  color: var(--color-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  flex-shrink: 0;
}
.contact-info-block__title {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-xs);
}
.contact-info-block__text {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.6;
}
.contact-info-block__text a { color: var(--color-secondary); }
.contact-info-block__text a:hover { color: var(--color-accent); }
.contact-info-block__text small { color: var(--color-text-muted); }

.contacto__map-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

/* -------------------------------------------------------------------
   16. FOOTER
   ------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-dark);
  color: rgba(255,255,255,.8);
  padding-top: var(--space-4xl);
}
.site-footer__inner {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-3xl);
}
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: var(--space-md);
}
.footer-logo i { color: var(--color-accent); font-size: 1.4rem; }
.footer-logo-img { height: 60px; width: auto; max-width: 220px; object-fit: contain; }
.footer-logo strong { color: var(--color-accent); }
.footer-tagline {
  font-size: 0.9rem;
  color: rgba(255,255,255,.6);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}
.footer-social {
  display: flex;
  gap: var(--space-sm);
}
.footer-social__link {
  width: 38px; height: 38px;
  border-radius: 50%;
  background-color: rgba(255,255,255,.1);
  color: rgba(255,255,255,.8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.footer-social__link:hover {
  background-color: var(--color-accent);
  color: var(--color-primary);
}
.footer-col__title {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: var(--space-md);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.footer-links a {
  font-size: 0.9rem;
  color: rgba(255,255,255,.65);
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--color-accent); }
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.footer-contact p {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: rgba(255,255,255,.65);
}
.footer-contact i { color: var(--color-accent); margin-top: 3px; flex-shrink: 0; }
.footer-contact a { color: rgba(255,255,255,.65); }
.footer-contact a:hover { color: var(--color-accent); }

.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: var(--space-lg) 0;
}
.site-footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.site-footer__bottom p {
  font-size: 0.8125rem;
  color: rgba(255,255,255,.45);
}
.footer-creds { color: rgba(255,255,255,.65) !important; }

.site-footer__credit {
  background-color: var(--color-dark);
  border-top: 1px solid rgba(255,255,255,.06);
  padding: var(--space-sm) var(--container-pad);
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,.45);
}
.site-footer__credit p {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 5px;
  line-height: 1;
}
.site-footer__credit a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: rgba(255,255,255,.6);
  text-decoration: none;
  transition: color var(--transition-fast);
  line-height: 1;
}
.site-footer__credit a:hover { color: var(--color-accent); }
.damweb-favicon {
  width: 16px;
  height: 16px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

/* -------------------------------------------------------------------
   17. BOTÓN FLOTANTE WHATSAPP
   ------------------------------------------------------------------- */
.whatsapp-fab {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 900;
  width: 58px; height: 58px;
  border-radius: 50%;
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 4px 20px rgba(37,211,102,.45);
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}
.whatsapp-fab:hover {
  background-color: var(--color-whatsapp-dark);
  color: var(--color-white);
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37,211,102,.55);
}

/* -------------------------------------------------------------------
   18. BOTÓN VOLVER ARRIBA
   ------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 5rem;
  right: 1.5rem;
  z-index: 900;
  width: 42px; height: 42px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: background-color var(--transition-fast), transform var(--transition-fast), opacity var(--transition-normal);
  opacity: 0;
}
.back-to-top:not([hidden]) { opacity: 1; }
.back-to-top:hover {
  background-color: var(--color-accent);
  transform: translateY(-3px);
}

/* -------------------------------------------------------------------
   19. ANIMACIONES DE ENTRADA
   ------------------------------------------------------------------- */
.fade-in-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* -------------------------------------------------------------------
   20. RESPONSIVE
   ------------------------------------------------------------------- */
@media (max-width: 1024px) {
  :root { --container-pad: 1.5rem; }

  .nosotros__grid        { grid-template-columns: 1fr; }
  .nosotros__image-wrap  { max-width: 560px; margin-inline: auto; order: -1; }
  .cursos__grid          { grid-template-columns: repeat(2, 1fr); }
  .flota__grid           { grid-template-columns: repeat(2, 1fr); }
  .contacto__grid        { grid-template-columns: 1fr; }
  .contacto__info        { order: -1; }
  .site-footer__inner    { grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
  .stats-bar__inner      { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
}

@media (max-width: 768px) {
  :root {
    --header-h: 60px;
    --space-4xl: 3rem;
  }

  /* Mobile Nav */
  .nav__toggle { display: flex; }
  .nav__menu {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background-color: var(--color-dark);
    flex-direction: column;
    padding: var(--space-lg) var(--container-pad) var(--space-xl);
    gap: var(--space-xs);
    transform: translateY(-110%);
    transition: transform var(--transition-normal);
    box-shadow: 0 8px 24px rgba(0,0,0,.4);
  }
  .nav__menu.open { transform: translateY(0); }
  .nav__link {
    width: 100%;
    padding: var(--space-md);
    font-size: 1rem;
    border-radius: var(--radius-md);
  }
  .nav__link--cta { text-align: center; margin-top: var(--space-sm); }

  /* Hero */
  .hero__content { max-width: 100%; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .hero__actions .btn { width: 100%; max-width: 280px; }

  /* Stats */
  .stats-bar__inner { grid-template-columns: 1fr 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.12); }
  .stat-item:nth-last-child(-n+2) { border-bottom: none; }

  /* Grid layouts */
  .cursos__grid  { grid-template-columns: 1fr; }
  .flota__grid   { grid-template-columns: 1fr; }
  .galeria__grid { grid-template-columns: repeat(2, 1fr); }

  /* Footer */
  .site-footer__inner { grid-template-columns: 1fr; }
  .site-footer__bottom-inner { flex-direction: column; text-align: center; }

  /* Lightbox */
  .lightbox__arrow { display: none; }
  .lightbox__container { flex-direction: column; padding-inline: var(--container-pad); }
}

@media (max-width: 480px) {
  .galeria__grid { grid-template-columns: 1fr; }
  .nosotros__badge-float { left: 0; bottom: -1rem; }
  .hero__title { font-size: 2rem; }
}

/* Reducir movimiento */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}