/**
 * Header sticky, bară flotantă, micro-animații.
 * Respectă prefers-reduced-motion.
 */

/* ——— Sticky header (backdrop) ——— */
/* Sticky necesită ca html/body să nu aibă overflow-x: hidden (vezi base.css). */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  color: var(--color-primary);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--color-border);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  backdrop-filter: saturate(160%) blur(10px);
}

/* Ancore: nu ascunde titlul sub header lipicios */
html {
  scroll-padding-top: var(--header-sticky-offset, 4.5rem);
}

/* Bara flotantă stă PESTE layout (nu mai rezervăm bandă pe body — lățime completă până la margine) */

/* ——— Bară flotantă (Sus + Programare) ——— */
.floating-rail {
  position: fixed;
  z-index: 280;
  right: max(0.5rem, env(safe-area-inset-right, 0px));
  top: 75%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.65rem;
  pointer-events: none;
}

.floating-rail > * {
  pointer-events: auto;
}

.floating-rail__item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  max-width: 3.25rem;
  padding: 0.85rem 0.5rem;
  border-radius: 999px;
  font-size: var(--text-fluid-xs);
  font-weight: 700;
  line-height: 1.15;
  text-align: center;
  text-decoration: none;
  color: var(--color-primary);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: 0 10px 28px rgba(5, 11, 51, 0.18), 0 2px 8px rgba(5, 11, 51, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
}

.floating-rail__item:hover,
.floating-rail__item:focus-visible {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  box-shadow: var(--shadow-card-hover);
}

.floating-rail__item--accent {
  background: var(--gradient-primary);
  color: var(--color-white);
  border-color: transparent;
}

.floating-rail__item--accent:hover,
.floating-rail__item--accent:focus-visible {
  background: var(--gradient-primary-hover);
  color: var(--color-white);
}

.floating-rail__item:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* „Sus”: ascuns lângă începutul paginii, vizibil după scroll */
.floating-rail__item--back {
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
}

.floating-rail__item--back.is-collapsed {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: rotate(180deg) translateY(0.65rem) scale(0.94);
}

.floating-rail__item--back:not(.is-collapsed) {
  transform: rotate(180deg);
}

/* Mobil / tabletă: bară jos, orizontală, nu acoperă conținutul central */
@media (max-width: 900px) {
  body {
    padding-bottom: calc(4.25rem + env(safe-area-inset-bottom, 0px));
  }

  .floating-rail {
    top: auto;
    bottom: max(1rem, env(safe-area-inset-bottom, 0px));
    transform: none;
    flex-direction: row;
    justify-content: flex-end;
    right: max(0.65rem, env(safe-area-inset-right, 0px));
    left: auto;
  }

  .floating-rail__item {
    writing-mode: horizontal-tb;
    transform: none;
    min-width: auto;
    max-width: none;
    padding: 0.65rem 1rem;
    font-size: var(--text-fluid-sm);
  }

  .floating-rail__item--back {
    transition: opacity 0.2s ease, max-width 0.2s ease, padding 0.2s ease, margin 0.2s ease, visibility 0.2s ease;
  }

  .floating-rail__item--back.is-collapsed {
    transform: none;
    max-width: 0;
    min-width: 0;
    padding-left: 0;
    padding-right: 0;
    margin: 0;
    overflow: hidden;
    border-width: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }

  .floating-rail__item--back:not(.is-collapsed) {
    transform: none;
  }
}

/* ——— Animație la intrare în viewport ——— */
@media (prefers-reduced-motion: no-preference) {
  [data-reveal].is-revealed {
    animation: mc-reveal-in 0.65s ease both;
  }

  @keyframes mc-reveal-in {
    from {
      opacity: 0;
      transform: translateY(1.1rem);
    }
    to {
      opacity: 1;
      transform: none;
    }
  }

  .card {
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  }

  .card:hover {
    transform: translateY(-2px);
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal].is-revealed {
    animation: none;
  }

  .floating-rail__item {
    transition: none;
  }

  .floating-rail__item--back {
    transition: none;
  }

  .faq-item__icon {
    transition: none;
  }
}