/* YouTube iframe адаптивний */
.video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  margin: 1em 0;
}
/* .video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
} */

.video-wrapper.ratio-16x9 {
  padding-bottom: 56.25%; /* 16:9 */
}
.video-wrapper.ratio-9x16 {
  padding-bottom: 177.78%; /* 9:16 вертикальне */
}
.video-wrapper.ratio-1x1 {
  padding-bottom: 100%; /* квадрат */
}
.video-wrapper {
  position: relative;
  height: 0;
  overflow: hidden;
  margin: 1em 0;
}
.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}


h1 + h2 {
    margin-top: 0.2em;
}

/* Кнопка */
a.btn {
  display: inline-block;
  padding: 0.75em 1.5em;
  background-color: #673ab7;
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: background-color 0.3s;
  margin: 1em 0;
}
a.btn:hover {
  background-color: #512da8;
}

/* Акордеон */
details.accordion {
  margin: 1em 0;
  border: 1px solid #ccc;
  border-radius: 6px;
  padding: 0.5em 1em;
  background-color: #f9f9f9;
}
details.accordion summary {
  font-weight: bold;
  cursor: pointer;
}
details.accordion[open] {
  background-color: #fff;
}
details.accordion .accordion-content {
  margin-top: 0.5em;
  padding-left: 1em;
}

/* Списки */
ul {
  padding-left: 1.5em;
  margin-bottom: 1em;
}
ul li {
  margin-bottom: 0.25em;
}

/* Зображення */
img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1em 0;
}

/* 🎯 Слайдер */
.slider-container {
  width: 100%;
  max-width: 640px;
  margin: 20px auto;
  position: relative;
}

.slider input[type="radio"] {
  display: none;
}

.slides {
  display: flex;
  width: 300%;
  overflow: hidden;
  position: relative;
  transition: transform 0.6s ease;
}

.slide {
  min-width: 100%;
  box-sizing: border-box;
}

.slide img {
  width: 100%;
  height: auto;
  display: block;
}

.nav {
  text-align: center;
  margin-top: 12px;
}

.nav label {
  display: inline-block;
  width: 12px;
  height: 12px;
  background-color: #ccc;
  border-radius: 50%;
  margin: 0 4px;
  cursor: pointer;
}

/* Позиції: слайди 0, 1, 2 (додай більше за потреби) */
#slide0:checked ~ .slider .slides {
  transform: translateX(0%);
}
#slide1:checked ~ .slider .slides {
  transform: translateX(-100%);
}
#slide2:checked ~ .slider .slides {
  transform: translateX(-200%);
}