* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
}

@media (max-width: 31.25em) {
  html {
    font-size: 50%;
  }
}

body {
  font-family: "Poppins", sans-serif;
}

.full-img,
.full-img > * {
  width: 100%;
  display: block;
}

.primary-heading {
  font-size: 3.2rem;
  font-weight: 600;
}

.secondary-heading {
  font-size: 2.4rem;
  font-weight: 600;
  line-height: 1.2;
}

.tertiary-heading {
  font-size: 1.8rem;
  font-weight: 600;
}

.basic-text {
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.5;
}

.hero {
  position: relative;
}

.hero h1,
.hero h2 {
  position: absolute;
  top: 5rem;
  left: 50%;
  transform: translate(-50%, 0);
  color: #fff;
  width: 80%;
  text-align: center;
}

.info-text {
  width: 80%;
  margin: 0 auto;
  padding: 5rem 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: center;
}

.big-vid {
  display: block;
  width: 100%;
}

.small-vid {
  display: none;
  width: 100%;
}

@media (max-width: 50em) {
  .big-vid {
    display: none;
  }
  .small-vid {
    display: block;
  }
}

.black {
  background-color: #000;
  color: #fff;
}

.black-text {
  width: 80%;
  margin: 0 auto;
  padding: 8rem 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ── Samsung Carousel (sc-) ── */
.sc-carousel {
  position: relative;
  width: 70%;
  margin: 0 auto;
  padding: 4rem 0;
  overflow: hidden;
}

.sc-carousel__title {
  font-size: 3.2rem;
  font-weight: 700;
  margin-bottom: 2.4rem;
}

.sc-carousel__viewport {
  position: relative;
  overflow: hidden;
}

.sc-carousel__track {
  display: flex;
  gap: 0;
  transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.sc-carousel__slide {
  flex: 0 0 100%;
  min-width: 0;
}

.sc-carousel__slide-img {
  width: 100%;
  border-radius: 1.2rem;
  display: block;
}

.sc-carousel__slide-body {
  padding: 2rem 0.4rem;
}

.sc-carousel__slide-title {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.sc-carousel__slide-subtitle {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #333;
}

.sc-carousel__slide-text {
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.6;
  color: #555;
}

.sc-carousel__slide-footnote {
  font-size: 1.1rem;
  color: #888;
  margin-top: 1.4rem;
  line-height: 1.4;
}

/* Arrows */
.sc-carousel__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-100%);
  z-index: 2;
  width: 4.4rem;
  height: 4.4rem;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.15);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(4px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background 0.2s,
    box-shadow 0.2s;
}

.sc-carousel__arrow:hover {
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.sc-carousel__arrow svg {
  width: 2rem;
  height: 2rem;
  fill: none;
  stroke: #000;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sc-carousel__arrow--prev {
  left: 1.5rem;
}

.sc-carousel__arrow--next {
  right: 1.5rem;
}

/* Dots */
.sc-carousel__dots {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  margin-top: 2.4rem;
}

.sc-carousel__dot {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  border: none;
  background: #ccc;
  cursor: pointer;
  padding: 0;
  transition: background 0.25s;
}

.sc-carousel__dot--active {
  background: #000;
}

/* ── Responsive ── */
@media (max-width: 31.25em) {
  .sc-carousel {
    width: 90%;
  }

  .sc-carousel__arrow {
    width: 3.6rem;
    height: 3.6rem;
  }
}