/* ==========================================================================
   bingo-plus.css - Mobile-first stylesheet for bingo-plus.sbs
   All custom classes use the s4f8- prefix.
   Palette: #CD853F gold | #1B263B navy | #AFEEEE mint | #A0522D sienna | #B22222 firebrick
   ========================================================================== */

:root {
  --s4f8-primary: #CD853F;       /* gold */
  --s4f8-bg: #1B263B;            /* deep navy */
  --s4f8-bg-soft: #243349;       /* lifted surface */
  --s4f8-text: #AFEEEE;          /* pale mint text */
  --s4f8-text-strong: #ffffff;
  --s4f8-accent: #A0522D;        /* sienna */
  --s4f8-danger: #B22222;        /* firebrick red */
  --s4f8-muted: rgba(175, 238, 238, 0.72);
  --s4f8-border: rgba(205, 133, 63, 0.35);
  --s4f8-shadow: 0 0.4rem 1.4rem rgba(0, 0, 0, 0.45);
  --s4f8-radius: 1.2rem;
  --s4f8-radius-sm: 0.7rem;
  --s4f8-maxw: 430px;
}

* { box-sizing: border-box; }

html {
  font-size: 62.5%;             /* 1rem = 10px */
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  background: radial-gradient(circle at top, #243349 0%, var(--s4f8-bg) 70%);
  color: var(--s4f8-text);
  line-height: 1.5rem;
  font-size: 1.45rem;
  min-height: 100vh;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--s4f8-primary); text-decoration: none; }

/* ---------------- Layout helpers ---------------- */
.s4f8-container {
  width: 100%;
  max-width: var(--s4f8-maxw);
  margin: 0 auto;
  padding: 0 1.2rem;
}
.s4f8-wrapper { padding: 1rem 0; }

/* ---------------- Header ---------------- */
.s4f8-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(27,38,59,0.96), rgba(27,38,59,0.88));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--s4f8-border);
}
.s4f8-header__inner {
  max-width: var(--s4f8-maxw);
  margin: 0 auto;
  padding: 0.7rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.s4f8-brand { display: flex; align-items: center; gap: 0.6rem; flex: 1; min-width: 0; }
.s4f8-brand__logo {
  width: 3rem; height: 3rem;
  border-radius: 0.6rem;
  box-shadow: 0 0 0.6rem rgba(205,133,63,0.55);
  object-fit: cover;
}
.s4f8-brand__name {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--s4f8-primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.s4f8-brand__name small {
  display: block;
  font-size: 0.95rem;
  color: var(--s4f8-text);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.s4f8-btn {
  border: none;
  cursor: pointer;
  font-weight: 700;
  border-radius: 2rem;
  padding: 0.7rem 1.2rem;
  font-size: 1.25rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  line-height: 1;
}
.s4f8-btn:active { transform: scale(0.95); }
.s4f8-btn--login {
  background: transparent;
  color: var(--s4f8-text);
  border: 1px solid var(--s4f8-border);
}
.s4f8-btn--register {
  background: linear-gradient(135deg, var(--s4f8-danger), var(--s4f8-primary));
  color: #fff;
  box-shadow: 0 0.4rem 1rem rgba(178,34,34,0.45);
}
.s4f8-btn--block { display: flex; width: 100%; justify-content: center; padding: 1rem; font-size: 1.4rem; }
.s4f8-btn--ghost { background: rgba(175,238,238,0.08); color: var(--s4f8-text); }
.s4f8-btn--gold { background: linear-gradient(135deg, var(--s4f8-primary), #f3c478); color: #1B263B; }

.s4f8-menu-btn {
  background: transparent;
  border: 1px solid var(--s4f8-border);
  color: var(--s4f8-text);
  width: 3.4rem; height: 3.4rem;
  border-radius: 0.7rem;
  font-size: 1.6rem;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
}

/* ---------------- Mobile slide-in menu ---------------- */
.s4f8-menu {
  position: fixed;
  top: 0; right: -80%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: var(--s4f8-bg-soft);
  z-index: 9999;
  padding: 2.4rem 1.4rem;
  transition: right 0.28s ease;
  overflow-y: auto;
  border-left: 1px solid var(--s4f8-border);
}
.s4f8-menu--open { right: 0; }
.s4f8-menu h3 {
  color: var(--s4f8-primary);
  font-size: 1.3rem;
  margin: 1.6rem 0 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.s4f8-menu a {
  display: block;
  padding: 0.9rem 0.6rem;
  border-bottom: 1px solid rgba(175,238,238,0.1);
  color: var(--s4f8-text);
  font-size: 1.35rem;
}
.s4f8-menu a:active { background: rgba(205,133,63,0.12); }
.s4f8-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 9998;
  opacity: 0; visibility: hidden;
  transition: opacity 0.25s ease;
}
.s4f8-overlay--show { opacity: 1; visibility: visible; }

/* ---------------- Main ---------------- */
main { padding-top: 6.2rem; }
@media (max-width: 768px) {
  main { padding-bottom: 80px; }
}

/* ---------------- Hero / Carousel ---------------- */
.s4f8-carousel {
  position: relative;
  border-radius: var(--s4f8-radius);
  overflow: hidden;
  box-shadow: var(--s4f8-shadow);
  margin-bottom: 1.2rem;
}
.s4f8-carousel__viewport { overflow: hidden; }
.s4f8-carousel__track {
  display: flex;
  transition: transform 0.48s ease;
}
.s4f8-carousel__slide {
  min-width: 100%;
  position: relative;
}
.s4f8-carousel__slide img {
  width: 100%; height: 18rem; object-fit: cover;
}
.s4f8-carousel__caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1.4rem 1rem 1rem;
  background: linear-gradient(0deg, rgba(27,38,59,0.92), transparent);
  color: var(--s4f8-text-strong);
}
.s4f8-carousel__caption strong { color: var(--s4f8-primary); display: block; font-size: 1.55rem; }
.s4f8-carousel__dots {
  position: absolute;
  bottom: 0.6rem; right: 0.8rem;
  display: flex; gap: 0.4rem;
}
.s4f8-carousel-dot {
  width: 0.7rem; height: 0.7rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.45);
  border: none; padding: 0; cursor: pointer;
}
.s4f8-carousel-dot--active { background: var(--s4f8-primary); }

/* ---------------- Section / Headings ---------------- */
.s4f8-section { margin: 2rem 0; }
.s4f8-section__title {
  font-size: 1.7rem;
  color: var(--s4f8-text-strong);
  margin: 0 0 0.4rem;
  display: flex; align-items: center; gap: 0.6rem;
}
.s4f8-section__title i, .s4f8-section__title span.material-icons {
  color: var(--s4f8-primary); font-size: 1.9rem;
}
.s4f8-section__lead { color: var(--s4f8-muted); font-size: 1.3rem; margin: 0 0 1rem; }
.s4f8-divider {
  height: 3px;
  width: 4rem;
  background: linear-gradient(90deg, var(--s4f8-primary), var(--s4f8-danger));
  border-radius: 4px;
  margin: 0.3rem 0 1rem;
}

/* ---------------- Category chips ---------------- */
.s4f8-chips { display: flex; gap: 0.5rem; overflow-x: auto; padding: 0.4rem 0; margin-bottom: 0.6rem; }
.s4f8-chip {
  background: rgba(175,238,238,0.08);
  border: 1px solid var(--s4f8-border);
  color: var(--s4f8-text);
  padding: 0.5rem 0.9rem;
  border-radius: 2rem;
  font-size: 1.2rem;
  white-space: nowrap;
  cursor: pointer;
}
.s4f8-chip--active, .s4f8-chip:active {
  background: var(--s4f8-primary);
  color: #1B263B;
  border-color: var(--s4f8-primary);
}

/* ---------------- Game grid ---------------- */
.s4f8-group-head {
  display: flex; align-items: center; gap: 0.5rem;
  margin: 1.3rem 0 0.8rem;
  font-size: 1.45rem; color: var(--s4f8-text-strong);
}
.s4f8-group-head .s4f8-tag {
  margin-left: auto;
  font-size: 1.05rem;
  background: rgba(178,34,34,0.25);
  color: #ffb3b3;
  padding: 0.2rem 0.7rem;
  border-radius: 1rem;
}
.s4f8-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
}
@media (min-width: 480px) { .s4f8-grid { grid-template-columns: repeat(4, 1fr); } }
.s4f8-card {
  background: var(--s4f8-bg-soft);
  border: 1px solid var(--s4f8-border);
  border-radius: var(--s4f8-radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  position: relative;
}
.s4f8-card:active { transform: scale(0.96); }
.s4f8-card img {
  width: 100%; height: 9rem; object-fit: cover;
  background: #0e1626;
}
.s4f8-card__name {
  font-size: 1.08rem;
  color: var(--s4f8-text);
  padding: 0.5rem 0.4rem;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.s4f8-card__badge {
  position: absolute; top: 0.3rem; left: 0.3rem;
  background: var(--s4f8-danger); color: #fff;
  font-size: 0.9rem; padding: 0.15rem 0.45rem;
  border-radius: 0.4rem;
}

/* ---------------- Info blocks ---------------- */
.s4f8-callout {
  background: linear-gradient(135deg, rgba(205,133,63,0.18), rgba(178,34,34,0.12));
  border: 1px solid var(--s4f8-border);
  border-radius: var(--s4f8-radius);
  padding: 1.2rem;
}
.s4f8-callout h2 { margin: 0 0 0.5rem; font-size: 1.55rem; color: var(--s4f8-text-strong); }
.s4f8-callout p { margin: 0.4rem 0; }
.s4f8-paragraph { margin: 0.6rem 0; color: var(--s4f8-text); }

.s4f8-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  margin: 1rem 0;
}
.s4f8-stat {
  background: var(--s4f8-bg-soft);
  border-radius: var(--s4f8-radius-sm);
  padding: 0.9rem;
  text-align: center;
  border: 1px solid var(--s4f8-border);
}
.s4f8-stat__num { font-size: 1.7rem; font-weight: 800; color: var(--s4f8-primary); }
.s4f8-stat__label { font-size: 1.05rem; color: var(--s4f8-muted); }

/* ---------------- Step list ---------------- */
.s4f8-steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.s4f8-steps li {
  position: relative;
  padding: 0.7rem 0.7rem 0.7rem 3.2rem;
  margin-bottom: 0.6rem;
  background: var(--s4f8-bg-soft);
  border-radius: var(--s4f8-radius-sm);
  border: 1px solid var(--s4f8-border);
  counter-increment: step;
}
.s4f8-steps li::before {
  content: counter(step);
  position: absolute; left: 0.7rem; top: 0.6rem;
  width: 2rem; height: 2rem;
  background: linear-gradient(135deg, var(--s4f8-primary), var(--s4f8-danger));
  color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.1rem;
}

/* ---------------- FAQ ---------------- */
.s4f8-faq {
  background: var(--s4f8-bg-soft);
  border: 1px solid var(--s4f8-border);
  border-radius: var(--s4f8-radius-sm);
  margin-bottom: 0.6rem;
  overflow: hidden;
}
.s4f8-faq__q {
  padding: 0.9rem 1rem;
  cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 600; color: var(--s4f8-text-strong);
}
.s4f8-faq__q .s4f8-faq__icon { color: var(--s4f8-primary); transition: transform 0.25s ease; }
.s4f8-faq--open .s4f8-faq__icon { transform: rotate(45deg); }
.s4f8-faq__answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 1rem;
  color: var(--s4f8-muted);
}

/* ---------------- Testimonials ---------------- */
.s4f8-reviews { display: grid; gap: 0.7rem; }
.s4f8-review {
  background: var(--s4f8-bg-soft);
  border-left: 3px solid var(--s4f8-primary);
  border-radius: var(--s4f8-radius-sm);
  padding: 0.8rem 1rem;
}
.s4f8-review__who { color: var(--s4f8-text-strong); font-weight: 700; font-size: 1.2rem; }
.s4f8-review__stars { color: #f3c478; font-size: 1.1rem; margin: 0.2rem 0; }
.s4f8-review__text { color: var(--s4f8-muted); font-size: 1.2rem; margin: 0; }

/* ---------------- Payment / Winners ---------------- */
.s4f8-pills { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.s4f8-pill {
  background: var(--s4f8-bg-soft);
  border: 1px solid var(--s4f8-border);
  padding: 0.5rem 0.9rem;
  border-radius: 1rem;
  font-size: 1.1rem;
  color: var(--s4f8-text);
}
.s4f8-winners {
  display: grid; gap: 0.5rem;
  margin: 0.8rem 0;
}
.s4f8-winner {
  display: flex; align-items: center; gap: 0.7rem;
  background: var(--s4f8-bg-soft);
  padding: 0.6rem 0.8rem;
  border-radius: var(--s4f8-radius-sm);
  border: 1px solid var(--s4f8-border);
}
.s4f8-winner__avatar {
  width: 2.6rem; height: 2.6rem; border-radius: 50%;
  background: linear-gradient(135deg, var(--s4f8-primary), var(--s4f8-danger));
  color:#fff; font-weight:700;
  display:flex; align-items:center; justify-content:center;
  font-size: 1.1rem;
}
.s4f8-winner__info { flex: 1; }
.s4f8-winner__name { color: var(--s4f8-text-strong); font-size: 1.15rem; font-weight: 600; }
.s4f8-winner__game { color: var(--s4f8-muted); font-size: 1rem; }
.s4f8-winner__amount { color: var(--s4f8-primary); font-weight: 800; font-size: 1.2rem; }

/* ---------------- Promo banner ---------------- */
.s4f8-promo {
  background: linear-gradient(135deg, var(--s4f8-danger), var(--s4f8-accent));
  color: #fff;
  border-radius: var(--s4f8-radius);
  padding: 1.4rem;
  text-align: center;
  box-shadow: var(--s4f8-shadow);
  margin: 1.2rem 0;
}
.s4f8-promo h2 { margin: 0 0 0.3rem; font-size: 1.6rem; }
.s4f8-promo p { margin: 0.2rem 0 0.8rem; font-size: 1.25rem; }

/* ---------------- Footer ---------------- */
.s4f8-footer {
  background: #0e1626;
  border-top: 1px solid var(--s4f8-border);
  padding: 2rem 1rem 1.2rem;
  margin-top: 2rem;
  color: var(--s4f8-muted);
}
.s4f8-footer__inner { max-width: var(--s4f8-maxw); margin: 0 auto; }
.s4f8-footer__brand { color: var(--s4f8-text); font-size: 1.3rem; margin-bottom: 0.6rem; }
.s4f8-footer__links {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.5rem;
  margin: 1rem 0;
}
.s4f8-footer__links a {
  color: var(--s4f8-text);
  font-size: 1.15rem;
  padding: 0.3rem 0;
}
.s4f8-footer__cta {
  display: flex; gap: 0.5rem; flex-wrap: wrap; margin: 0.8rem 0;
}
.s4f8-footer__copy {
  border-top: 1px solid rgba(175,238,238,0.12);
  padding-top: 0.8rem;
  font-size: 1.05rem; text-align: center;
}

/* ---------------- Bottom navigation ---------------- */
.s4f8-bottomnav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 6rem;
  background: linear-gradient(180deg, rgba(36,51,73,0.98), rgba(14,22,38,0.98));
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--s4f8-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  padding: 0.3rem 0.2rem;
}
.s4f8-bottomnav__btn {
  flex: 1;
  min-width: 60px; min-height: 56px;
  background: transparent; border: none;
  color: var(--s4f8-text);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 0.2rem;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.18s ease, color 0.18s ease;
  position: relative;
}
.s4f8-bottomnav__btn i,
.s4f8-bottomnav__btn span.material-icons {
  font-size: 2.2rem;
}
.s4f8-bottomnav__btn:active,
.s4f8-bottomnav__btn--active {
  color: var(--s4f8-primary);
  transform: translateY(-2px);
}
.s4f8-bottomnav__btn--active::after {
  content: ""; position: absolute; top: 0;
  width: 1.8rem; height: 3px;
  background: var(--s4f8-primary);
  border-radius: 0 0 3px 3px;
}
.s4f8-bottomnav__btn .s4f8-badge {
  position: absolute; top: 0.4rem; right: 1.1rem;
  background: var(--s4f8-danger); color: #fff;
  font-size: 0.85rem; padding: 0 0.35rem;
  border-radius: 0.7rem;
}

/* ---------------- Desktop rules ---------------- */
@media (min-width: 769px) {
  .s4f8-bottomnav { display: none; }
  body { font-size: 1.55rem; }
  .s4f8-grid { grid-template-columns: repeat(6, 1fr); }
  .s4f8-carousel__slide img { height: 26rem; }
}

/* Utility */
.s4f8-text-link { color: var(--s4f8-primary); font-weight: 700; border-bottom: 1px dashed var(--s4f8-primary); }
.s4f8-center { text-align: center; }
.s4f8-mt { margin-top: 1.2rem; }