/* ===== Vertical Slider — Layout & Styling ===== */

.evs {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

/* Background cross-fade */
.evs .evs-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.evs .evs-bg .bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transform: scale(1.035);
  transition: opacity .6s ease, transform .6s ease;
  will-change: opacity, transform;
}
.evs .evs-bg .bg.is-visible {
  opacity: 1;
  transform: none;
}

/* Container */
.evs .slider-container {
  --gap: 4px;          /* inter-slide gap */
  --pad: 12px;
  --nav-offset: 12px;  /* distance of buttons from container edges */
  --safe: 28px;        /* breathing space between slides and buttons */

  position: relative;
  margin-inline: auto;
  padding: var(--pad);
  overflow: hidden;
  height: min(88vh, 860px);
  z-index: 1;
  margin-top: 4rem;
}

/* Vertical track (pushed away from buttons by --safe) */
.evs .slider {
  position: absolute;
  left: var(--pad);
  right: var(--pad);
  top: calc(var(--pad) + var(--safe));
  bottom: calc(var(--pad) + var(--safe));
  overflow: visible;
  will-change: transform;
  transition: transform .45s cubic-bezier(.22,.61,.36,1);
  z-index: 1;
}

/* Slides (cards) */
.evs .slide {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 4rem;
  padding: 12px;
  margin-bottom: var(--gap);
  color: #fff;
  padding-left: 10rem;
  opacity: .4;
}

/* Date column */
.evs .date-section {
  display: grid;
  gap: 4px;
  min-width: 110px;
}
.evs .year {
  font-weight: 700;
  font-size: clamp(2.5rem, 2.5vw, 1.5rem);
}
.evs .month-flag-container {
  display: grid;
  grid-auto-flow: column;
  align-items: center;
  gap: 6px;
}
.evs .month {
  font-size: 0.95rem;
  opacity: .9;
}
.evs .flag {
  width: 28px; height: 18px; border-radius: 3px;
  background-size: cover; background-position: center;
  box-shadow: 0 0 0 1px rgba(255,255,255,.15) inset;
}

/* Content column */
.evs .content .title {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: clamp(2.4rem, 2.5vw, 1.5rem);
}
.evs .content .sub-title {
  margin-top: 4px;
  font-size: .95rem;
  opacity: .8;
}
.evs .content .button {
  display: inline-block;
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: 10px;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  transition: background .2s ease;
  background-color: #F90000;
}

/* Nav buttons (appear on hover) */
.evs .vs-btn {
  --btnSize: 42px;
  position: absolute;
  left: 25%;
  transform: translateX(-50%);
  width: var(--btnSize);
  height: var(--btnSize);
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(0,0,0,.45);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s ease, visibility .2s ease, background .2s ease, transform .12s ease;
  z-index: 10;
}
.evs .vs-btn svg { width: 22px; height: 22px; fill: currentColor; }
.evs .vs-btn:hover { background: rgba(255,255,255,.12); transform: translateX(-50%) scale(1.04); }

.evs .slider-container:hover .vs-btn {
  opacity: 1; visibility: visible;
}

/* Position nav vertically by default */
.evs .vs-btn--prev { top: var(--nav-offset); }
.evs .vs-btn--next { bottom: var(--nav-offset); }

/* Reveal active slide/content */
.content { opacity: 0; }
.evs .slide.is-active { opacity: 1; }
.evs .slide.is-active .content { opacity: 1; }

/* Hide native scrollbars */
.evs .slider::-webkit-scrollbar { display: none; }

/* RTL adjustments */
:root:dir(rtl) .evs .slide { grid-template-columns: 1fr auto; }
:root:dir(rtl) .evs .vs-btn { left: auto; right: 50%; transform: translateX(50%); }
:root:dir(rtl) .evs .vs-btn:hover { transform: translateX(50%) scale(1.04); }

/* ===== Responsive: vertical items, horizontal nav ===== */
@media (max-width: 900px) {
  .evs .slider-container {
    height: min(70vh, 440px); /* smaller container */
    --safe-top: 40px;
    --safe-bottom: 80px; /* ⬅ increased from 40px to add spacing */
    --nav-offset: 8px;
    --nav-gap: 24px;
    --gap: 2px;
    --pad: 10px;
  }

  .evs .slider {
    top: calc(var(--pad) + var(--safe-top));
    bottom: calc(var(--pad) + var(--safe-bottom));
    left: var(--pad);
    right: var(--pad);
  }

  .evs .slide {
    padding-left: 0;
    gap: 10px;
    padding: 8px;
  }

  .evs .date-section { min-width: 96px; gap: 3px; }
  .evs .month-flag-container { gap: 4px; }

  .evs .year { font-size: clamp(1.2rem, 4vw, 1.4rem); }
  .evs .content .title { font-size: clamp(1.3rem, 4.2vw, 1.5rem); }
  .evs .content .sub-title { font-size: 0.85rem; }
  .evs .content .button { font-size: 0.85rem; padding: 6px 10px; }

  /* bottom horizontal nav buttons */
  .evs .vs-btn {
    top: auto;
    bottom: var(--nav-offset);
    left: 50%;
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%);
  }
  .evs .vs-btn--prev { transform: translateX(calc(-50% - var(--nav-gap))); }
  .evs .vs-btn--next { transform: translateX(calc(-50% + var(--nav-gap))); }
  .evs .vs-btn--prev:hover { transform: translateX(calc(-50% - var(--nav-gap))) scale(1.04); }
  .evs .vs-btn--next:hover { transform: translateX(calc(-50% + var(--nav-gap))) scale(1.04); }
  .evs .vs-btn--prev svg { transform: rotate(-90deg); }
  .evs .vs-btn--next svg { transform: rotate(-90deg); }
}

@media (max-width: 900px) {
  :root:dir(rtl) .evs .vs-btn--prev {
    transform: translateX(calc(-50% + var(--nav-gap)));
  }
  :root:dir(rtl) .evs .vs-btn--prev:hover {
    transform: translateX(calc(-50% + var(--nav-gap))) scale(1.04);
  }
  :root:dir(rtl) .evs .vs-btn--next {
    transform: translateX(calc(-50% - var(--nav-gap)));
  }
  :root:dir(rtl) .evs .vs-btn--next:hover {
    transform: translateX(calc(-50% - var(--nav-gap))) scale(1.04);
  }
}