/* ============================================================
   LaBosquescuela UBA — Componentes Reutilizables
   Navegación, footer, botones, lightbox, mobile menu
   ============================================================ */

/* ────────────────────────────────────────────────────────────
   NAVEGACIÓN
   ──────────────────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  transition: background-color var(--transition-base),
              border-bottom var(--transition-base),
              box-shadow var(--transition-base);
  background-color: var(--overlay-nav);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.site-nav.scrolled {
  background-color: var(--overlay-light);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.site-nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--padding-nav);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-nav__logo {
  font-size: var(--text-logo);
  font-weight: var(--weight-bold);
  font-family: var(--font-logo);
  color: var(--text-white);
  letter-spacing: -0.01em;
  transition: color var(--transition-base);
}

.site-nav.scrolled .site-nav__logo {
  color: var(--text-primary);
}

.site-nav__links {
  display: flex;
  gap: var(--space-2xl);
  align-items: center;
}

.site-nav__link {
  font-size: var(--text-nav);
  font-weight: var(--weight-medium);
  font-family: var(--font-body);
  color: var(--text-white);
  padding: var(--space-2xs) 0;
  position: relative;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

.site-nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width var(--transition-base);
}

.site-nav__link:hover::after,
.site-nav__link.active::after {
  width: 100%;
}

.site-nav.scrolled .site-nav__link {
  color: var(--bg-dark);
}

.site-nav__link:hover {
  opacity: 0.8;
}

/* ── Dropdown Bio ── */
.site-nav__dropdown {
  position: relative;
}

.site-nav__dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--overlay-light);
  border-radius: var(--radius-card);
  padding: var(--space-2xs) 0;
  min-width: 220px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  pointer-events: none;
  z-index: var(--z-dropdown);
}

.site-nav__dropdown.open .site-nav__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}

.site-nav__dropdown-item {
  display: block;
  padding: var(--space-xs) var(--space-md);
  font-size: var(--text-nav);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
  transition: background-color var(--transition-fast);
}

.site-nav__dropdown-item:hover {
  background-color: rgba(238, 255, 0, 0.12);
  color: var(--text-primary);
}

/* ── Mobile Menu Toggle ── */
.site-nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  z-index: calc(var(--z-nav) + 10);
}

.site-nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-white);
  transition: all var(--transition-base);
}

.site-nav.scrolled .site-nav__toggle span {
  background-color: var(--text-primary);
}

.site-nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.site-nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.site-nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ────────────────────────────────────────────────────────────
   BOTONES
   ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 18px 48px;
  font-size: var(--text-body-small);
  font-weight: var(--weight-bold);
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background-color: var(--accent);
  color: var(--text-primary);
  box-shadow: var(--shadow-button);
}

.btn-primary:hover {
  background-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.btn-dark {
  background-color: var(--bg-black);
  color: var(--text-white);
  box-shadow: var(--shadow-button);
}

.btn-dark:hover {
  background-color: #333;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.btn-outline {
  background-color: var(--bg-light);
  color: var(--text-primary);
  border: none;
  padding: 14px 32px;
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-small);
}

.btn-outline-wrap {
  display: inline-block;
  padding: 4px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--bg-light) 100%);
  border-radius: var(--radius-card);
}

.btn-outline:hover {
  background-color: #f5f5f5;
}

/* ────────────────────────────────────────────────────────────
   LIGHTBOX
   ──────────────────────────────────────────────────────────── */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--overlay-dark);
  z-index: var(--z-lightbox);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  animation: fadeIn 0.3s ease-out;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-white);
  border-radius: 50%;
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.35);
}

.lightbox__close {
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
}

.lightbox__prev,
.lightbox__next {
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  font-size: 24px;
}

.lightbox__prev {
  left: 24px;
}

.lightbox__next {
  right: 24px;
}

.lightbox__content {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.lightbox__image {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  box-shadow: var(--shadow-lightbox);
}

.lightbox__caption {
  color: var(--text-white);
  font-size: var(--text-base);
  font-family: var(--font-body);
  opacity: 0.9;
  text-align: center;
}

.lightbox__caption-text {
  font-weight: var(--weight-medium);
  margin-bottom: 4px;
}

.lightbox__counter {
  font-size: var(--text-caption);
  opacity: 0.6;
}

/* ────────────────────────────────────────────────────────────
   FOOTER
   ──────────────────────────────────────────────────────────── */
.site-footer {
  padding: var(--padding-footer);
  background-color: var(--bg-black);
  color: var(--text-white);
}

.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.site-footer__contact {
  font-size: var(--text-body-small);
  margin-bottom: var(--space-sm);
  font-weight: var(--weight-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
}

.site-footer__contact a {
  color: var(--accent);
  transition: opacity var(--transition-fast);
}

.site-footer__contact a:hover {
  opacity: 0.8;
}

.site-footer__icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.site-footer__copyright {
  font-size: var(--text-label);
  opacity: 0.6;
}

/* ────────────────────────────────────────────────────────────
   RESPONSIVE — Mobile first overrides
   ──────────────────────────────────────────────────────────── */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --text-h1-hero:    56px;
    --text-h2-section: 44px;
    --text-h2-large:   48px;
    --text-h2-cta:     40px;
    --padding-section: 80px 40px;
    --padding-nav:     16px 32px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --text-h1-hero:    40px;
    --text-h2-section: 36px;
    --text-h2-large:   40px;
    --text-h2-cta:     32px;
    --text-h3-card:    22px;
    --text-body-large: 18px;
    --text-body:       17px;
    --padding-section: 60px 24px;
    --padding-nav:     14px 20px;
    --padding-footer:  40px 24px 32px;
  }

  /* Nav mobile */
  .site-nav__toggle {
    display: flex;
  }

  .site-nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--overlay-light);
    flex-direction: column;
    padding: 100px 32px 40px;
    gap: var(--space-lg);
    transition: right var(--transition-base);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.15);
  }

  .site-nav__links.open {
    right: 0;
  }

  .site-nav__link {
    color: var(--text-primary);
    font-size: var(--text-body-small);
  }

  .site-nav__dropdown {
    width: 100%;
    text-align: center;
  }

  .site-nav__dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    background: transparent;
    padding: 0;
    margin-top: var(--space-md);
    display: none;
    min-width: auto;
    text-align: center;
    width: 100%;
  }

  .site-nav__dropdown.open .site-nav__dropdown-menu {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    transform: none;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .site-nav__dropdown-item {
    padding: 0;
    color: var(--text-primary);
    font-size: var(--text-body-small);
    opacity: 0.8;
  }

  .site-nav__dropdown-item:hover {
    background-color: transparent;
    opacity: 1;
  }

  /* Mobile overlay */
  .mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: calc(var(--z-nav) - 1);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
  }

  .mobile-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  /* Lightbox mobile */
  .lightbox__prev,
  .lightbox__next {
    width: 44px;
    height: 44px;
    font-size: 20px;
  }

  .lightbox__prev {
    left: 12px;
  }

  .lightbox__next {
    right: 12px;
  }

  .lightbox__close {
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
  }
}