:root {
  --card-font-scale: 1;
  --mobile-card-fill: linear-gradient(180deg, rgb(41, 244, 51), rgb(213, 113, 20));
  --mobile-card-border: linear-gradient(180deg,
      rgba(7, 22, 243, 0.9), rgba(200, 243, 7, 0.863));
  --mobile-card-max-width: 35rem;
  --mobile-intro-card-max-width: 42rem;
  --mobile-page-pad: clamp(12px, 3.5vw, 20px);
  --mobile-card-width: min(calc(100vw - (2 * var(--mobile-page-pad))), var(--mobile-card-max-width));
  --mobile-intro-card-width: min(calc(100vw - (2 * var(--mobile-page-pad))), var(--mobile-intro-card-max-width));
  --mobile-intro-sun-diameter: calc(var(--mobile-intro-card-width) * 0.42);
  --mobile-card-pad: clamp(14px, 4vw, 22px);
  --mobile-media-height: clamp(180px, 28vh, 240px);
  --mobile-media-frame-pad: clamp(10px, 2.8vw, 14px);
  --mobile-media-radius: 20px;
  --mobile-card-radius: 24px;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  padding: 0;
}

body {
  overflow: hidden;
  background: linear-gradient(180deg, #ff0062 0%, #00b7ff 100%);
  color: #1a1a1a;
}

.desktop-header {
  display: none;
}

.container {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100vh;
  height: 100dvh;
}

.slider-controls {
  position: fixed;
  inset: 50% 0 auto;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 0 clamp(8px, 2.8vw, 16px);
  box-sizing: border-box;
  transform: translateY(-50%);
  pointer-events: none;
}

.slider-nav-btn {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(42px, 12vw, 54px);
  height: clamp(42px, 12vw, 54px);
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(252, 1, 1, 0.404), rgba(4, 0, 255, 0.658));
  color: #fff7df;
  line-height: 1;
  cursor: pointer;
  user-select: none;
  box-shadow: 0 14px 28px rgba(4, 20, 44, 0.3);
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.slider-nav-btn .nav-arrow {
  display: block;
  width: clamp(11px, 3vw, 15px);
  height: clamp(11px, 3vw, 15px);
  border-top: 3px solid currentColor;
  border-right: 3px solid currentColor;
}

.slider-nav-btn .nav-arrow-left {
  transform: rotate(-135deg);
}

.slider-nav-btn .nav-arrow-right {
  transform: rotate(45deg);
}

.slider-nav-btn:not(:disabled):hover {
  box-shadow: 0 18px 34px rgba(4, 20, 44, 0.38);
  filter: brightness(1.08);
}

.slider-nav-btn:not(:disabled):active {
  box-shadow: 0 10px 18px rgba(4, 20, 44, 0.28);
}

.slider-nav-btn:disabled {
  opacity: 0.2;
}

.slider-nav-btn-prev {
  background: linear-gradient(315deg, rgba(248,252,1,0.4), rgba(4,0,255,0.65));
  background-size: 200% 200%;
  background-position: 30% 50%;
}

.slider-nav-btn-next {
  background: linear-gradient(135deg, rgba(248,252,1,0.4), rgba(4,0,255,0.65));
  background-size: 200% 200%;
  background-position: 70% 50%;
}

.page-controls {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  order: 2;
  margin: 0 auto;
  padding: 0.6rem 0.85rem;
  flex: 0 0 auto;
  border-radius: 999px;
  background: rgba(207, 255, 209, 0.35);
  box-shadow: inset 0 0 0 1px rgba(255, 227, 247, 0.28);
}

.cards {
  display: flex;
  order: 1;
  flex: 1 1 auto;
  min-height: 0;
  align-items: stretch;
  width: 100%;
  height: auto;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  gap: 0;
  padding: 0;
  scrollbar-width: none;
  background: transparent;
  touch-action: pan-x pinch-zoom;
}

.cards::-webkit-scrollbar {
  display: none;
}

.slider {
  flex: 0 0 100%;
  min-width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: stretch;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  box-sizing: border-box;
  padding: var(--mobile-page-pad);
}

.card {
  box-sizing: border-box;
  width: var(--mobile-card-width);
  height: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  overflow: hidden;
  position: relative;
  border-radius: var(--mobile-card-radius);
  border: 4px solid transparent;
  background:
    var(--mobile-card-fill) padding-box,
    var(--mobile-card-border) border-box;
  padding: var(--mobile-card-pad);
  touch-action: pan-x pinch-zoom;
}

.card.intro-card {
  width: var(--mobile-intro-card-width);
  justify-content: flex-start;
  background:
    radial-gradient(circle calc(var(--mobile-intro-card-width)) at 50% 18%,
      rgba(255, 251, 0, 1) 0%,
      rgba(255, 225, 120, 0.96) 10%,
      rgba(255, 175, 72, 0.72) 18%,
      rgba(255, 124, 63, 0.3) 26%,
      rgba(255, 124, 63, 0.08) 34%,
      rgba(255, 124, 63, 0) 42%) padding-box,
    var(--mobile-card-fill) padding-box,
    var(--mobile-card-border) border-box;
}

.card picture {
  display: flex;
  flex: 0 0 auto;
  width: fit-content;
  max-width: 100%;
  margin: 0;
  align-self: center;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  isolation: isolate;
  border-radius: var(--mobile-media-radius);
  padding: var(--mobile-media-frame-pad);
  box-sizing: border-box;
  background:
    linear-gradient(145deg,
      rgba(255, 255, 255, 0.12),
      rgba(255, 255, 255, 0.03)) padding-box,
    linear-gradient(135deg,
      rgba(255, 255, 255, 0.22),
      rgba(134, 234, 255, 0.34) 48%,
      rgba(255, 226, 145, 0.42)) border-box;
  box-shadow:
    inset 0 -16px 28px rgba(108, 188, 255, 0.16),
    0 18px 34px rgba(5, 28, 58, 0.22);
  backdrop-filter: blur(1px) saturate(150%);
  -webkit-backdrop-filter: blur(1px) saturate(150%);
}

.card picture::before {
  content: "";
  position: absolute;
  inset: -20% -14%;
  z-index: 0;
  border-radius: inherit;
  background:
    radial-gradient(ellipse 110% 110% at 45% 45%,
      rgba(188, 170, 255, 0) 0%,
      rgb(135, 255, 145) 24%,
      rgb(200, 255, 1) 29%,
      rgb(255, 196, 1) 30%);

  filter: blur(34px);
  opacity: 1;
  transform: translateY(10px) scale(1.18);
  pointer-events: none;
}

.card picture::after {
  content: none;
}

.card:not(.intro-card) picture {
  max-height: calc(var(--mobile-media-height) + (2 * var(--mobile-media-frame-pad)));
}

.card img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: var(--mobile-media-height);
  position: relative;
  z-index: 1;
  object-fit: contain;
  object-position: center;
  border-radius: calc(var(--mobile-media-radius) - 5px);
  background: rgba(225, 238, 255, 0.78);
  box-shadow:
    0 10px 24px rgba(0, 34, 77, 0.18);
}

.card .card-text {
  min-height: 0;
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  gap: 0.65rem;
  overflow: hidden;
  touch-action: pan-x pinch-zoom;
}

.card.intro-card .card-text {
  gap: 0.8rem;
}

.card .card-title {
  margin: 0;
  font-size: calc(clamp(1.35rem, 4.8vw, 1.8rem) * var(--card-font-scale));
  line-height: 1.14;
}

.card.intro-card .card-title {
  font-size: calc(clamp(1.6rem, 5.6vw, 2.1rem) * var(--card-font-scale));
}

.card .card-subtitle {
  margin: 0;
  font-size: calc(clamp(0.96rem, 3.5vw, 1.1rem) * var(--card-font-scale));
  opacity: 0.84;
}

.card .card-desc {
  min-height: 0;
  flex: 1 1 auto;
  overflow-y: auto;
  padding-right: 0.25rem;
  line-height: 1.45;
  font-size: calc(clamp(0.93rem, 3.2vw, 1.02rem) * var(--card-font-scale));
  -webkit-overflow-scrolling: touch;
  touch-action: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(96, 52, 10, 0.45) transparent;
}

.card.intro-card .card-desc {
  line-height: 1.5;
  font-size: calc(clamp(0.97rem, 3.35vw, 1.06rem) * var(--card-font-scale));
}

.card .card-desc p {
  margin-bottom: 12px;
  line-height: 1.5;
}

.card .card-desc p:last-child {
  margin-bottom: 0;
}

.card .card-desc h3 {
  margin-top: 10px;
  margin-bottom: 10px;
}

.card .highlight {
  font-weight: 600;
  margin-top: 15px;
}

.card .card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding-top: 0.25rem;
}

.card .card-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0;
  padding: 0.78rem 1.15rem;
  border: 1px solid rgba(255, 247, 223, 0.4);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(24, 27, 74, 0.96), rgba(0, 150, 126, 0.92));
  color: #fff7df;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.2);
}

.card .card-btn::after {
  content: "↗";
  font-size: 1em;
  opacity: 0.85;
  transform: translateY(-0.04em);
}

.font-control-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(28, 28, 28, 0.88);
  color: #fff7df;
  font: inherit;
  font-size: 1.15rem;
  line-height: 1;
}

.font-control-btn:disabled {
  opacity: 0.45;
}

.font-size-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 8.5rem;
  min-height: 2.3rem;
  text-align: center;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.1;
  color: rgba(26, 26, 26, 0.82);
}

.card .card-desc::-webkit-scrollbar {
  width: 8px;
}

.card .card-desc::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(96, 52, 10, 0.45);
}

@media (max-width: 420px) {

  html,
  body {
    --mobile-page-pad: 10px;
    --mobile-card-pad: 12px;
    --mobile-media-height: clamp(160px, 24vh, 200px);
    --mobile-media-frame-pad: 8px;
    --mobile-card-radius: 20px;
  }

  .card {
    gap: 0.7rem;
  }

  .card img {
    border-radius: 14px;
  }

  .card .card-title {
    font-size: calc(clamp(1.24rem, 5vw, 1.55rem) * var(--card-font-scale));
  }

  .card.intro-card .card-title {
    font-size: calc(clamp(1.45rem, 5.8vw, 1.85rem) * var(--card-font-scale));
  }

  .card .card-subtitle {
    font-size: calc(0.94rem * var(--card-font-scale));
  }

  .card .card-desc {
    font-size: calc(0.92rem * var(--card-font-scale));
    line-height: 1.42;
  }

  .card .card-footer {
    justify-content: center;
  }

  .card .card-btn {
    width: 100%;
  }
}

/*.slider { outline: 10px dashed rgb(16, 17, 16); }
.card   { outline: 10px dashed rgb(243, 245, 240); }
.slider { box-shadow: inset 0 0 0 10px #c725b9; }
.card   { box-shadow: inset 0 0 0 10px #f0f1f5; }*/