:root {
    --ink: #182b43;
    --muted: #566579;
    --line: #e2e7ed;
    --blue: #1673cf;
    --gold: #f4c52e;
    --black: #080808
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: #171b22;
    background: #fff;
    font-size: 15px;
    line-height: 1.7
}

a {
    color: #126dc0
}

.site-header {
    border-bottom: 1px solid var(--line);
    background: #fff
}

.header-inner {
    max-width: 1120px;
    margin: auto;
    min-height: 66px;
    padding: 8px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #14263b;
    text-decoration: none;
    font-size: 20px;
    font-weight: 700;
    white-space: nowrap
}

.brand img {
    width: 42px;
    height: 42px;
    object-fit: cover;
    border-radius: 4px
}

nav {
    display: flex;
    align-items: center;
    gap: 26px;
    flex-wrap: wrap
}

nav a {
    text-decoration: none;
    color: #526174;
    font-size: 12px;
    letter-spacing: .1px
}

nav a:hover,
nav a[aria-current=page] {
    color: var(--blue)
}

.page-intro {
    text-align: center;
    padding: 12px 18px 0
}

.page-intro h1 {
    font-size: 22px;
    line-height: 1.35;
    margin: 0 0 14px;
    color: #101820
}

.hero-logo {
    display: block;
    width: 126px;
    height: 126px;
    object-fit: cover;
    border-radius: 16px;
    margin: 0 auto 12px
}

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #050505;
    color: #fff;
    border-radius: 3px;
    padding: 9px 17px;
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    line-height: 1.3
}

.download-btn:hover {
    background: #222
}

.content {
    max-width: 960px;
    margin: 24px auto 44px;
    padding: 0 24px
}

.content h2 {
    font-size: 25px;
    line-height: 1.3;
    color: var(--ink);
    margin: 0 0 12px
}

.content h3 {
    font-size: 21px;
    line-height: 1.35;
    color: var(--ink);
    margin: 24px 0 8px
}

.content p {
    margin: 0 0 16px
}

.content ul,
.content ol {
    padding-left: 24px;
    margin: 8px 0 18px
}

.home-content {
    margin-top: 18px
}

.home-content h2 {
    font-size: 25px;
    margin-top: 30px
}

.app-preview {
    display: block;
    width: min(100%, 650px);
    max-height: 460px;
    object-fit: contain;
    margin: 28px auto 30px
}

.info-table {
    border-collapse: collapse;
    width: 100%;
    max-width: 590px;
    margin: 20px 0 30px;
    font-size: 14px
}

.info-table th,
.info-table td {
    border: 1px solid #d9e0e8;
    padding: 9px 12px;
    text-align: left;
    vertical-align: top
}

.info-table th {
    width: 34%;
    background: #f6f8fa
}

.note {
    border-left: 4px solid var(--gold);
    padding: 12px 16px;
    background: #fff9e8;
    margin: 20px 0
}

.site-footer {
    border-top: 1px solid var(--line);
    min-height: 62px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: #182333;
    padding: 16px
}

.top-link {
    position: fixed;
    right: 18px;
    bottom: 18px;
    background: #1673cf;
    color: white;
    text-decoration: none;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 3px;
    font-size: 20px
}

@media(max-width:700px) {
    .header-inner {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
        padding: 12px 16px
    }

    .brand {
        font-size: 18px
    }

    .brand img {
        width: 36px;
        height: 36px
    }

    nav {
        gap: 14px
    }

    nav a {
        font-size: 11px
    }

    .page-intro h1 {
        font-size: 19px
    }

    .hero-logo {
        width: 108px;
        height: 108px
    }

    .content {
        padding: 0 18px;
        margin-top: 22px
    }

    .content h2 {
        font-size: 23px
    }

    .content h3 {
        font-size: 19px
    }

    .info-table {
        font-size: 13px
    }

    .info-table th,
    .info-table td {
        padding: 8px
    }
}
#carousel {
  width: 100%;
  max-width: 900px;
  margin: 25px auto;
  position: relative;
  overflow: hidden;
  background: #fff;
}

/* Carousel Track */
#carousel .carousel-track {
  display: flex;
  align-items: stretch;
  gap: 4px;
  transition: transform 0.5s ease-in-out;
  will-change: transform;
}

/* Individual Slides */
#carousel .slide {
  flex: 0 0 calc((100% - 8px) / 3);
  position: relative;
  aspect-ratio: 0.43 / 1;
  overflow: hidden;
  background: #170707;
}

/* Screenshot Images */
#carousel .slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Dark Overlay on Inactive Slides */
#carousel .slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.60);
  transition: background 0.4s ease;
  pointer-events: none;
}

/* Active Slide */
#carousel .slide.active::after {
  background: transparent;
}

/* Navigation Arrows */
#carousel .arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 34px;
  height: 42px;
  border: none;
  border-radius: 4px;
  color: #fff;
  background: rgba(0, 0, 0, 0.35);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease;
}

#carousel .arrow:hover {
  background: rgba(0, 0, 0, 0.75);
}

#carousel .prev {
  left: 4px;
}

#carousel .next {
  right: 4px;
}

/* Pagination Dots (if added by JavaScript) */
#carousel + .dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin: 12px auto;
}

#carousel + .dots .dot {
  width: 6px;
  height: 6px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: #c8c8c8;
  cursor: pointer;
}

#carousel + .dots .dot.active {
  background: #333;
}

/* Mobile Responsive */
@media (max-width: 600px) {
  #carousel {
    max-width: 100%;
    margin: 18px auto;
  }

  #carousel .carousel-track {
    gap: 3px;
  }

  #carousel .slide {
    flex-basis: calc((100% - 6px) / 3);
  }

  #carousel .arrow {
    width: 25px;
    height: 34px;
    font-size: 22px;
  }
}

/* Reduced Motion Accessibility */
@media (prefers-reduced-motion: reduce) {
  #carousel .carousel-track,
  #carousel .slide::after {
    transition: none;
  }
}