:root {
  /* Violetcup theme */
  --bg: rgba(128, 90, 213, 0.1); /* soft translucent violet */
  --bg-2: rgba(128, 90, 213, 0.06);
  --card: rgba(255, 255, 255, 0.78);
  --text: #1f1a2b;
  --muted: #5b4d7a;

  --violet-1: #7c3aed; /* accent */
  --violet-2: #a78bfa; /* softer accent */

  --border: rgba(124, 58, 237, 0.22);
  --shadow: 0 14px 34px rgba(31, 26, 43, 0.1);
  --radius: 18px;
  --maxw: 1080px;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial,
    "Noto Sans", "Helvetica Neue", sans-serif;
  color: var(--text);
  line-height: 1.6;

  background: radial-gradient(
      900px 420px at 12% 6%,
      rgba(167, 139, 250, 0.26),
      transparent 58%
    ),
    radial-gradient(
      800px 380px at 88% 14%,
      rgba(124, 58, 237, 0.18),
      transparent 60%
    ),
    linear-gradient(180deg, var(--bg), var(--bg-2));
}

.container {
  width: min(var(--maxw), calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 18px 0 10px;
}

.brand__logo {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;

  background: rgba(167, 139, 250, 0.18);
  border: 1px solid rgba(124, 58, 237, 0.22);
  box-shadow: 0 10px 22px rgba(31, 26, 43, 0.1);
  font-size: 22px;
}

.brand__text h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: 0.2px;
}

.brand__text p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0 0 14px;
}

.top-nav a {
  text-decoration: none;
  color: var(--text);
  font-size: 14px;
  padding: 8px 11px;
  border-radius: 999px;
  border: 1px solid rgba(124, 58, 237, 0.22);
  background: rgba(255, 255, 255, 0.6);
  transition: transform 0.12s ease, background 0.12s ease,
    border-color 0.12s ease;
}

.top-nav a:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(124, 58, 237, 0.34);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.intro {
  margin: 20px 0 18px;
  padding: 18px 18px 16px;
}

.intro h2 {
  margin: 0 0 8px;
  font-size: 18px;
}

.hint {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

code {
  background: rgba(167, 139, 250, 0.18);
  padding: 2px 6px;
  border-radius: 8px;
  border: 1px solid rgba(124, 58, 237, 0.18);
}

/* === RAT CARD: 1/3 media + 2/3 text === */
.rat {
  display: grid;
  grid-template-columns: 1fr 2fr; /* exact 1/3 and 2/3 */
  gap: 18px;
  padding: 18px;
  margin: 18px 0;
  align-items: stretch;
}

/* alternate: media on the right */
.rat--image-right .rat__media {
  order: 2;
}
.rat--image-right .rat__content {
  order: 1;
}

.rat__media {
  min-height: 320px;
}

.rat__content h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.latin {
  font-style: italic;
  color: #3a2a58;
  font-weight: 700;
}

.facts {
  margin: 12px 0;
  padding-left: 18px;
}

.facts li {
  margin: 6px 0;
}

.note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  border-left: 3px solid rgba(124, 58, 237, 0.32);
  padding-left: 10px;
}

/* === Carousel (no crop) === */
.carousel {
  position: relative;
  width: 100%;
  height: 50vh;
  min-height: 320px;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(124, 58, 237, 0.22);
}

.carousel__viewport {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.carousel__track {
  height: 100%;
  display: flex;
  transform: translateX(0);
  transition: transform 260ms ease;
}

.carousel__slide {
  flex: 0 0 100%;
  height: 100%;
  display: grid;
  place-items: center;
  background: radial-gradient(
      520px 220px at 20% 18%,
      rgba(167, 139, 250, 0.22),
      transparent 55%
    ),
    radial-gradient(
      520px 220px at 80% 78%,
      rgba(124, 58, 237, 0.12),
      transparent 60%
    ),
    rgba(255, 255, 255, 0.55);
}

.carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: contain; /* fit, NO cropping */
  display: block;
}

.carousel__fallback {
  padding: 18px;
  color: var(--muted);
  text-align: center;
}

/* buttons on top of image */
.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(124, 58, 237, 0.3);
  background: rgba(255, 255, 255, 0.88);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 26px;
  line-height: 1;
  color: var(--violet-1);
  box-shadow: 0 12px 26px rgba(31, 26, 43, 0.14);
  user-select: none;
  z-index: 5;
}

.carousel__btn:hover {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(124, 58, 237, 0.42);
}

.carousel__btn--prev {
  left: 10px;
}
.carousel__btn--next {
  right: 10px;
}

.carousel__dots {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 10px;
  display: flex;
  gap: 6px;
  justify-content: center;
  pointer-events: none;
  z-index: 5;
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border: 1px solid rgba(124, 58, 237, 0.26);
  background: rgba(255, 255, 255, 0.65);
  opacity: 0.85;
}

.carousel__dot.is-active {
  opacity: 1;
  background: rgba(167, 139, 250, 0.95);
  border-color: rgba(124, 58, 237, 0.34);
}

.site-footer {
  margin: 26px 0 40px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

/* responsive */
@media (max-width: 860px) {
  .rat {
    grid-template-columns: 1fr;
  }
  .rat--image-right .rat__media,
  .rat--image-right .rat__content {
    order: initial;
  }
  .rat__media {
    min-height: 260px;
  }
  .carousel {
    height: 42vh;
    min-height: 260px;
  }
}