/* ================================
  GLOBAL VARIABLES
================================ */
:root {
  --sr-transition-duration: 0.8s;

  /* Navigation dots (light mode) */
  --sr-dot-size: 10px;
  --sr-dot-color: rgba(0, 0, 0, 0.45);
  --sr-dot-hover-color: rgba(0, 0, 0, 0.75);
  --sr-dot-active: #000000;

  /* Arrows (light mode) */
  --sr-arrow-bg: rgba(0, 0, 0, 0.5);
  --sr-arrow-bg-hover: rgba(0, 0, 0, 0.8);
  --sr-arrow-size: 40px;
  --sr-arrow-color: #ffffff;
}

/* Dark mode when the `dark` class is present on an ancestor (e.g., <body class="dark">) */
.dark {
  /* Navigation dots (dark mode) */
  --sr-dot-color: rgba(255, 255, 255, 0.5);
  --sr-dot-hover-color: rgba(255, 255, 255, 0.8);
  --sr-dot-active: #ffffff;

  /* Arrows (dark mode) */
  --sr-arrow-bg: rgba(255, 255, 255, 0.6);
  --sr-arrow-bg-hover: rgba(255, 255, 255, 0.8);
  --sr-arrow-color: #000000;
}

body {
  margin: 0;
  overflow: hidden;
}

/* ================================
  MAIN CONTAINER
================================ */
.sr-cont {
  min-width: 100dvw;
  min-height: 100dvh;
  position: relative;
  overflow: hidden;
}

.sr-cont::-webkit-scrollbar {
  display: none;
}

/* ================================
  SECTIONS (base pattern)
================================ */
.sr-sec {
  position: absolute;
  top: 0;
  left: 0;
  min-width: 100dvw;
  min-height: 100dvh;

  overflow: auto;
  max-height: 100dvh;

  opacity: 0;
  pointer-events: none;
  z-index: -1;

  transition:
    transform var(--sr-transition-duration) ease-in-out,
    opacity var(--sr-transition-duration) ease-in-out,
    z-index var(--sr-transition-duration) ease-in-out;

  /* By default they enter from the bottom */
  transform: translateY(100%);
}

.sr-sec.sr-active {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
  z-index: 10;
}

.sr-sec.sr-prev {
  transform: translateY(-100%);
  opacity: 0.6;
  z-index: 1;
}

/* === Animation variants for sections === */
.sr-anim-fade {
  transform: translateY(100%);
  opacity: 0;
}
.sr-anim-fade.sr-active {
  transform: translateY(0);
  opacity: 1;
}
.sr-anim-fade.sr-prev {
  transform: translateY(-100%);
  opacity: 0;
}

.sr-anim-zoom {
  transform: translateY(100%) scale(0.8);
  opacity: 0;
}
.sr-anim-zoom.sr-active {
  transform: translateY(0) scale(1);
  opacity: 1;
}
.sr-anim-zoom.sr-prev {
  transform: translateY(-100%) scale(0.8);
  opacity: 0;
}

.sr-anim-flip {
  transform: translateY(100%) rotateX(90deg);
  opacity: 0;
}
.sr-anim-flip.sr-active {
  transform: translateY(0) rotateX(0);
  opacity: 1;
}
.sr-anim-flip.sr-prev {
  transform: translateY(-100%) rotateX(-90deg);
  opacity: 0;
}

.sr-anim-skew {
  transform: translateY(100%) skewY(10deg);
  opacity: 0;
}
.sr-anim-skew.sr-active {
  transform: translateY(0) skewY(0);
  opacity: 1;
}
.sr-anim-skew.sr-prev {
  transform: translateY(-100%) skewY(-10deg);
  opacity: 0;
}

.sr-anim-rotate {
  transform: translateY(100%) rotate(-10deg) scale(0.9);
  opacity: 0;
}
.sr-anim-rotate.sr-active {
  transform: translateY(0) rotate(0) scale(1);
  opacity: 1;
}
.sr-anim-rotate.sr-prev {
  transform: translateY(-100%) rotate(10deg) scale(0.9);
  opacity: 0;
}

/* ================================
  SLIDES (base pattern)
================================ */
.sr-slides-cont {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.sr-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  transition:
    transform 0.6s ease-in-out,
    opacity 0.6s ease-in-out;

  /* By default they enter from the right */
  transform: translateX(100%);
  z-index: 1;
}

.sr-slide.sr-slide-active {
  transform: translateX(0);
  z-index: 2;
  opacity: 1;
}

.sr-slide.sr-slide-prev {
  transform: translateX(-100%);
  z-index: 1;
  opacity: 0.6;
}

/* === Animation variants for slides === */
.sr-slide-anim-fade {
  transform: translateX(100%);
  opacity: 0;
}
.sr-slide-anim-fade.sr-slide-active {
  transform: translateX(0);
  opacity: 1;
}
.sr-slide-anim-fade.sr-slide-prev {
  transform: translateX(-100%);
  opacity: 0;
}

.sr-slide-anim-zoom {
  transform: translateX(100%) scale(0.8);
  opacity: 0;
}
.sr-slide-anim-zoom.sr-slide-active {
  transform: translateX(0) scale(1);
  opacity: 1;
}
.sr-slide-anim-zoom.sr-slide-prev {
  transform: translateX(-100%) scale(0.8);
  opacity: 0;
}

.sr-slide-anim-flip {
  transform: translateX(100%) rotateY(90deg);
  opacity: 0;
}
.sr-slide-anim-flip.sr-slide-active {
  transform: translateX(0) rotateY(0);
  opacity: 1;
}
.sr-slide-anim-flip.sr-slide-prev {
  transform: translateX(-100%) rotateY(-90deg);
  opacity: 0;
}

.sr-slide-anim-skew {
  transform: translateX(100%) skewX(10deg);
  opacity: 0;
}
.sr-slide-anim-skew.sr-slide-active {
  transform: translateX(0) skewX(0);
  opacity: 1;
}
.sr-slide-anim-skew.sr-slide-prev {
  transform: translateX(-100%) skewX(-10deg);
  opacity: 0;
}

.sr-slide-anim-rotate {
  transform: translateX(100%) rotate(10deg) scale(0.9);
  opacity: 0;
}
.sr-slide-anim-rotate.sr-slide-active {
  transform: translateX(0) rotate(0) scale(1);
  opacity: 1;
}
.sr-slide-anim-rotate.sr-slide-prev {
  transform: translateX(-100%) rotate(-10deg) scale(0.9);
  opacity: 0;
}

/* =========================
  ARROWS
========================= */
.sr-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background-color: var(--sr-arrow-bg);
  color: var(--sr-arrow-color);
  width: var(--sr-arrow-size);
  height: var(--sr-arrow-size);
  border-radius: 100%;
  border: none;
  cursor: pointer;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    opacity 0.3s,
    background-color 0.3s;
}

.sr-arrow:hover {
  transform: scale(1.1) translateY(-45%);
  background-color: var(--sr-arrow-bg-hover);
}

.sr-arrow-left {
  left: clamp(8px, 5vw, 60px);
}
.sr-arrow-right {
  right: clamp(8px, 5vw, 60px);
}
.sr-arrow-left::after {
  content: "<";
  height: auto;
  display: inline-block;
  transform: translateY(2%);
  line-height: 1;
}
.sr-arrow-right::after {
  content: ">";
  height: auto;
  display: inline-block;
  transform: translateY(2%);
  line-height: 1;
}

.sr-arrow.sr-arrow-hidden {
  opacity: 0;
  pointer-events: none;
}

/* =========================
  SLIDE DOTS
========================= */
.sr-slide-dots {
  position: absolute;
  z-index: 10;
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  left: 50%;
  transform: translateX(-50%);
}

.sr-slide-dots-top {
  top: 20px;
}
.sr-slide-dots-bottom {
  bottom: 20px;
}

.sr-slide-dots li {
  margin: 0 5px;
}

.sr-slide-dot {
  display: block;
  width: 8px;
  height: 8px;
  background-color: var(--sr-dot-color);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s;
}
.sr-slide-dot:hover {
  background-color: var(--sr-dot-hover-color);
}
.sr-slide-dot.sr-slide-dot-active {
  background-color: var(--sr-dot-active);
  transform: scale(1.4);
}

/* ================================
  ACCESSIBILITY
================================ */
@media (prefers-reduced-motion: reduce) {
  .sr-sec,
  .sr-slide {
    transition: none !important;
  }
}
