/* ============================================================
 * nustar apk - layout stylesheet
 * All custom classes use the ui28- prefix.
 * Palette: dark #212F3D background, light #FFEBCD text.
 * Mobile-first, max-width 430px viewport optimised.
 * ============================================================ */

:root {
  --ui28-bg: #212F3D;
  --ui28-bg-2: #18222C;
  --ui28-bg-3: #2A3B4C;
  --ui28-text: #FFEBCD;
  --ui28-text-soft: #d9c6a8;
  --ui28-muted: #9aa9b6;
  --ui28-primary: #FFEBCD;
  --ui28-accent: #E8B863;
  --ui28-gold: #F4C77B;
  --ui28-red: #E0584E;
  --ui28-green: #4FB97A;
  --ui28-border: rgba(255, 235, 205, 0.14);
  --ui28-radius: 14px;
  --ui28-shadow: 0 8px 22px rgba(0, 0, 0, 0.35);
  --ui28-maxw: 430px;
}

* { box-sizing: border-box; }

html {
  font-size: 62.5%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", sans-serif;
  background: var(--ui28-bg);
  color: var(--ui28-text);
  font-size: 1.5rem;
  line-height: 1.5;
  overflow-x: hidden;
}

body.ui28-no-scroll { overflow: hidden; }

a { color: var(--ui28-gold); text-decoration: none; }
a:hover { color: var(--ui28-primary); text-decoration: underline; }
img { display: block; max-width: 100%; }

h1, h2, h3, h4 { margin: 0 0 0.6em; line-height: 1.25; font-weight: 700; }
h1 { font-size: 2.4rem; }
h2 { font-size: 2.1rem; }
h3 { font-size: 1.8rem; }
p  { margin: 0 0 1em; }

/* ---------------- Layout primitives ---------------- */
.ui28-wrapper {
  width: 100%;
  max-width: var(--ui28-maxw);
  margin: 0 auto;
  position: relative;
}
.ui28-container { padding: 0 1.4rem; }
.ui28-section { padding: 2.6rem 0; }
.ui28-section--alt { background: var(--ui28-bg-2); }
.ui28-reveal { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s ease; }
.ui28-reveal.ui28-visible { opacity: 1; transform: none; }

/* ---------------- Header ---------------- */
.ui28-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: linear-gradient(180deg, #1B2731 0%, #18222C 100%);
  border-bottom: 1px solid var(--ui28-border);
  box-shadow: 0 2px 10px rgba(0,0,0,0.35);
}
.ui28-header-inner {
  max-width: var(--ui28-maxw);
  margin: 0 auto;
  padding: 0.6rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 56px;
}
.ui28-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex: 1;
  min-width: 0;
}
.ui28-logo-img { width: 30px; height: 30px; border-radius: 8px; }
.ui28-logo-text {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--ui28-primary);
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.ui28-logo-text small { display: block; font-size: 1.0rem; color: var(--ui28-accent); font-weight: 500; }

.ui28-header-actions { display: flex; align-items: center; gap: 0.5rem; }
.ui28-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 38px;
  padding: 0 1.1rem;
  border-radius: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: transform .15s ease, filter .15s ease;
}
.ui28-btn:active { transform: scale(0.96); }
.ui28-btn--login { background: transparent; color: var(--ui28-text); border: 1px solid var(--ui28-border); }
.ui28-btn--register {
  background: linear-gradient(135deg, #F4C77B 0%, #E8B863 100%);
  color: #212F3D;
  box-shadow: 0 4px 12px rgba(232, 184, 99, 0.35);
}
.ui28-menu-toggle {
  background: transparent;
  border: 1px solid var(--ui28-border);
  color: var(--ui28-text);
  width: 38px; height: 38px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ---------------- Mobile menu ---------------- */
.ui28-menu-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 9998;
  opacity: 0; visibility: hidden;
  transition: opacity .25s ease;
}
.ui28-menu-backdrop.ui28-visible { opacity: 1; visibility: visible; }
.ui28-mobile-menu {
  position: fixed;
  top: 0; right: -85%;
  width: 78%; max-width: 320px;
  height: 100vh;
  background: var(--ui28-bg-2);
  z-index: 9999;
  padding: 2rem 1.4rem;
  overflow-y: auto;
  transition: right .3s ease;
  border-left: 1px solid var(--ui28-border);
}
.ui28-mobile-menu.ui28-open { right: 0; }
.ui28-mobile-menu h4 {
  color: var(--ui28-accent);
  font-size: 1.4rem;
  margin: 1.4rem 0 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.ui28-mobile-menu a {
  display: block;
  padding: 0.8rem 0.4rem;
  border-bottom: 1px solid var(--ui28-border);
  color: var(--ui28-text);
  font-size: 1.4rem;
}
.ui28-mobile-menu a:hover { color: var(--ui28-gold); }
.ui28-menu-close {
  background: transparent; border: none; color: var(--ui28-text);
  font-size: 2rem; cursor: pointer; float: right;
}

/* ---------------- Hero carousel ---------------- */
.ui28-main { padding-top: 70px; padding-bottom: 80px; }
.ui28-hero {
  position: relative;
  margin: 0 0 1.5rem;
  overflow: hidden;
  border-radius: 0;
}
.ui28-slides { position: relative; }
.ui28-slide {
  display: none;
  position: relative;
  padding: 2.4rem 1.4rem 2rem;
  background: linear-gradient(135deg, #2A3B4C 0%, #18222C 100%);
  border-bottom: 1px solid var(--ui28-border);
}
.ui28-slide.ui28-active { display: block; }
.ui28-slide h1 { font-size: 2.6rem; color: var(--ui28-primary); }
.ui28-slide .ui28-slide-tag {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: rgba(232, 184, 99, 0.15);
  color: var(--ui28-gold);
  border-radius: 20px;
  font-size: 1.15rem;
  margin-bottom: 0.8rem;
}
.ui28-slide p { color: var(--ui28-text-soft); font-size: 1.45rem; }
.ui28-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.6rem;
  padding: 0.9rem 1.6rem;
  background: linear-gradient(135deg, #F4C77B 0%, #E8B863 100%);
  color: #212F3D;
  font-weight: 800;
  border-radius: 24px;
  font-size: 1.4rem;
  cursor: pointer;
}
.ui28-dots {
  position: absolute;
  bottom: 8px; left: 0; right: 0;
  display: flex; justify-content: center; gap: 6px;
  z-index: 5;
}
.ui28-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,235,205,0.4); cursor: pointer;
}
.ui28-dot.ui28-active { background: var(--ui28-gold); width: 20px; border-radius: 4px; }

/* ---------------- Marquee strip ---------------- */
.ui28-marquee {
  background: var(--ui28-bg-3);
  padding: 0.7rem 0;
  font-size: 1.25rem;
  color: var(--ui28-gold);
  overflow: hidden;
  white-space: nowrap;
  border-bottom: 1px solid var(--ui28-border);
}
.ui28-marquee span { display: inline-block; padding-left: 100%; animation: ui28scroll 22s linear infinite; }
@keyframes ui28scroll { to { transform: translateX(-100%); } }

/* ---------------- Section heading ---------------- */
.ui28-section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.2rem;
}
.ui28-section-head h2 {
  font-size: 1.9rem;
  color: var(--ui28-primary);
  position: relative;
  padding-left: 1rem;
}
.ui28-section-head h2::before {
  content: "";
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 4px; background: var(--ui28-gold); border-radius: 2px;
}
.ui28-section-head a { font-size: 1.2rem; color: var(--ui28-accent); }

/* ---------------- Filter bar ---------------- */
.ui28-filter {
  display: flex; gap: 0.5rem; flex-wrap: wrap;
  margin-bottom: 1.2rem;
}
.ui28-filter-btn {
  padding: 0.5rem 1rem;
  border-radius: 18px;
  border: 1px solid var(--ui28-border);
  background: var(--ui28-bg-3);
  color: var(--ui28-text-soft);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all .2s;
}
.ui28-filter-btn.ui28-active {
  background: var(--ui28-gold);
  color: #212F3D;
  border-color: var(--ui28-gold);
  font-weight: 700;
}

/* ---------------- Game grid ---------------- */
.ui28-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
}
.ui28-card {
  background: var(--ui28-bg-3);
  border-radius: var(--ui28-radius);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--ui28-border);
  transition: transform .2s ease, box-shadow .2s ease;
}
.ui28-card:active { transform: scale(0.97); }
.ui28-card-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #0F1620;
}
.ui28-card-name {
  padding: 0.5rem 0.5rem 0.6rem;
  font-size: 1.2rem;
  color: var(--ui28-text);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ui28-card-badge {
  position: absolute;
  top: 6px; left: 6px;
  background: var(--ui28-red);
  color: #fff;
  font-size: 1.0rem;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  font-weight: 700;
}
.ui28-card-tag {
  position: absolute;
  bottom: 28px; right: 6px;
  background: rgba(0,0,0,0.65);
  color: var(--ui28-gold);
  font-size: 1.0rem;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
}

/* Featured 2-col grid */
.ui28-grid--featured { grid-template-columns: repeat(2, 1fr); }

/* ---------------- Promo banner ---------------- */
.ui28-promo {
  display: block;
  background: linear-gradient(135deg, #2A3B4C 0%, #1B2731 100%);
  border: 1px solid var(--ui28-border);
  border-radius: var(--ui28-radius);
  padding: 1.4rem;
  margin-bottom: 1.2rem;
  position: relative;
  overflow: hidden;
}
.ui28-promo h3 { color: var(--ui28-gold); font-size: 1.7rem; }
.ui28-promo p { color: var(--ui28-text-soft); font-size: 1.3rem; margin-bottom: 0.8rem; }
.ui28-promo-link {
  display: inline-block;
  margin-top: 0.4rem;
  color: var(--ui28-gold);
  font-weight: 700;
  text-decoration: underline;
}

/* ---------------- Feature list ---------------- */
.ui28-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
}
.ui28-feature {
  background: var(--ui28-bg-3);
  border: 1px solid var(--ui28-border);
  border-radius: 12px;
  padding: 1rem 0.8rem;
  text-align: center;
}
.ui28-feature i { font-size: 2.4rem; color: var(--ui28-gold); }
.ui28-feature h4 { font-size: 1.35rem; color: var(--ui28-primary); margin: 0.5rem 0 0.3rem; }
.ui28-feature p { font-size: 1.2rem; color: var(--ui28-text-soft); margin: 0; }

/* ---------------- SEO article ---------------- */
.ui28-article {
  background: var(--ui28-bg-2);
  border-radius: var(--ui28-radius);
  padding: 1.6rem 1.4rem;
  border: 1px solid var(--ui28-border);
}
.ui28-article h2 { color: var(--ui28-primary); font-size: 1.9rem; }
.ui28-article h3 { color: var(--ui28-gold); font-size: 1.55rem; margin-top: 1.4rem; }
.ui28-article p { color: var(--ui28-text-soft); font-size: 1.35rem; line-height: 1.6; }
.ui28-article ul { padding-left: 1.4rem; color: var(--ui28-text-soft); }
.ui28-article li { margin-bottom: 0.5rem; font-size: 1.3rem; }

/* ---------------- FAQ ---------------- */
.ui28-faq-item {
  border-bottom: 1px solid var(--ui28-border);
  padding: 0.8rem 0;
}
.ui28-faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ui28-primary);
  font-size: 1.4rem;
  list-style: none;
  position: relative;
  padding-right: 1.6rem;
}
.ui28-faq-item summary::after {
  content: "+";
  position: absolute; right: 0; top: -2px;
  font-size: 1.8rem; color: var(--ui28-gold);
}
.ui28-faq-item[open] summary::after { content: "−"; }
.ui28-faq-item p { margin: 0.6rem 0 0; color: var(--ui28-text-soft); font-size: 1.3rem; }

/* ---------------- Footer ---------------- */
.ui28-footer {
  background: var(--ui28-bg-2);
  border-top: 1px solid var(--ui28-border);
  padding: 2rem 0 1.2rem;
}
.ui28-footer h4 {
  color: var(--ui28-accent);
  font-size: 1.4rem;
  margin: 1.2rem 0 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.ui28-footer p, .ui28-footer a { font-size: 1.25rem; color: var(--ui28-text-soft); }
.ui28-footer-links { display: flex; flex-wrap: wrap; gap: 0.6rem 1.2rem; }
.ui28-footer-links a { color: var(--ui28-text-soft); }
.ui28-footer-links a:hover { color: var(--ui28-gold); }
.ui28-disclaimer {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--ui28-bg-3);
  border-radius: 10px;
  font-size: 1.15rem;
  color: var(--ui28-muted);
  border: 1px solid var(--ui28-border);
}
.ui28-copyright {
  text-align: center;
  padding-top: 1.2rem;
  margin-top: 1.2rem;
  border-top: 1px solid var(--ui28-border);
  font-size: 1.15rem;
  color: var(--ui28-muted);
}

/* ---------------- Bottom nav ---------------- */
.ui28-bottomnav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 60px;
  background: linear-gradient(0deg, #1B2731 0%, #18222C 100%);
  border-top: 1px solid var(--ui28-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 -4px 14px rgba(0,0,0,0.35);
}
.ui28-bottomnav-btn {
  flex: 1;
  min-width: 60px;
  min-height: 60px;
  background: transparent;
  border: none;
  color: var(--ui28-text-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  cursor: pointer;
  font-size: 1.05rem;
  transition: color .2s ease;
}
.ui28-bottomnav-btn i { font-size: 2rem; }
.ui28-bottomnav-btn span { font-size: 1.05rem; }
.ui28-bottomnav-btn:active,
.ui28-bottomnav-btn.ui28-active { color: var(--ui28-gold); }
.ui28-bottomnav-btn.ui28-center {
  position: relative;
}
.ui28-bottomnav-btn.ui28-center i {
  background: linear-gradient(135deg, #F4C77B 0%, #E8B863 100%);
  color: #212F3D;
  width: 46px; height: 46px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-top: -22px;
  box-shadow: 0 4px 12px rgba(232,184,99,0.4);
  font-size: 2.2rem;
}

/* ---------------- Back to top ---------------- */
.ui28-totop {
  position: fixed;
  right: 14px; bottom: 76px;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--ui28-bg-3);
  border: 1px solid var(--ui28-border);
  color: var(--ui28-gold);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  z-index: 900;
  font-size: 1.6rem;
}

/* ---------------- Desktop ---------------- */
@media (min-width: 769px) {
  body { background: #0F1620; }
  .ui28-wrapper { max-width: 760px; box-shadow: 0 0 40px rgba(0,0,0,0.4); }
  .ui28-bottomnav { display: none; }
  .ui28-main { padding-bottom: 40px; }
  .ui28-grid { grid-template-columns: repeat(5, 1fr); }
  .ui28-grid--featured { grid-template-columns: repeat(4, 1fr); }
  .ui28-feature-grid { grid-template-columns: repeat(4, 1fr); }
  .ui28-menu-toggle { display: none; }
}

/* ---------------- Reduced motion ---------------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}