/* =========================================================
 * phspin 6 - design.css
 * Site: phspin6.click
 * Prefix: sbb4-
 * Palette: #6F4E37 | #2C2C2C | #F5DEB3
 * Mobile-first HTML5 casino website (max-width: 430px).
 * Comments in English only.
 * ========================================================= */

/* ---------- CSS variables (sbb4-) ---------- */
:root {
  --sbb4-primary: #6F4E37;        /* coffee brown - brand */
  --sbb4-bg: #2C2C2C;             /* near-black - background */
  --sbb4-text: #F5DEB3;           /* wheat - text */
  --sbb4-accent: #E0B87B;         /* warm gold accent */
  --sbb4-accent2: #D94C2A;        /* promotional red-orange */
  --sbb4-surface: #1a1a1a;        /* card surface */
  --sbb4-surface2: #3a2a22;       /* tinted surface */
  --sbb4-muted: rgba(245, 222, 179, 0.65);
  --sbb4-border: rgba(245, 222, 179, 0.18);
  --sbb4-shadow: 0 0.4rem 1.2rem rgba(0, 0, 0, 0.5);
  --sbb4-radius: 0.8rem;
  --sbb4-radius-lg: 1.4rem;
  --sbb4-gap: 1.2rem;
}

/* ---------- Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 62.5%; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  font-size: 1.5rem;
  line-height: 1.5;
  color: var(--sbb4-text);
  background: var(--sbb4-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--sbb4-accent); text-decoration: none; }
a:hover, a:focus { color: var(--sbb4-text); }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ---------- Layout helpers ---------- */
.sbb4-container { width: 100%; max-width: 430px; margin: 0 auto; padding: 0 1.2rem; }
.sbb4-wrapper { width: 100%; max-width: 430px; margin: 0 auto; }
.sbb4-section { padding: 2.4rem 0 1.2rem; }
.sbb4-section-alt { background: var(--sbb4-surface); }

/* ---------- Header ---------- */
.sbb4-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: linear-gradient(180deg, #1f1410 0%, #2C2C2C 100%);
  border-bottom: 0.1rem solid var(--sbb4-border);
  box-shadow: var(--sbb4-shadow);
  transition: transform 0.3s ease;
}
.sbb4-header-hidden { transform: translateY(-100%); }
.sbb4-header-inner {
  max-width: 430px; margin: 0 auto; padding: 0.7rem 1rem;
  display: flex; align-items: center; justify-content: space-between; gap: 0.8rem;
}
.sbb4-logo { display: flex; align-items: center; gap: 0.5rem; }
.sbb4-logo img { width: 2.8rem; height: 2.8rem; border-radius: 0.4rem; }
.sbb4-logo-text { font-size: 1.5rem; font-weight: 800; color: var(--sbb4-text); letter-spacing: 0.05rem; }
.sbb4-logo-text span { color: var(--sbb4-accent); }
.sbb4-header-actions { display: flex; align-items: center; gap: 0.5rem; }
.sbb4-menu-btn {
  width: 3.2rem; height: 3.2rem; display: flex; align-items: center; justify-content: center;
  color: var(--sbb4-text); font-size: 1.6rem;
  border: 0.1rem solid var(--sbb4-border); border-radius: 0.5rem;
}
.sbb4-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.7rem 1.2rem; font-size: 1.25rem; font-weight: 700;
  border-radius: 2rem; transition: transform 0.15s ease, filter 0.15s ease;
  min-height: 3.4rem; min-width: 3.4rem;
}
.sbb4-btn:active { transform: scale(0.96); }
.sbb4-btn-primary { background: linear-gradient(135deg, var(--sbb4-accent2), var(--sbb4-primary)); color: #fff; }
.sbb4-btn-ghost { background: transparent; border: 0.12rem solid var(--sbb4-accent); color: var(--sbb4-accent); }

/* ---------- Mobile menu ---------- */
.sbb4-mobile-menu {
  position: fixed; top: 0; right: 0; bottom: 0; width: 80%; max-width: 320px;
  background: #14110d; z-index: 9999; padding: 5rem 1.5rem 2rem;
  transform: translateX(100%); transition: transform 0.3s ease; overflow-y: auto;
  border-left: 0.1rem solid var(--sbb4-border);
}
.sbb4-menu-open { transform: translateX(0); }
.sbb4-menu-closed { transform: translateX(100%); }
.sbb4-menu-close {
  position: absolute; top: 1rem; right: 1rem; width: 3.2rem; height: 3.2rem;
  color: var(--sbb4-text); font-size: 1.8rem; display: flex; align-items: center; justify-content: center;
}
.sbb4-mobile-menu h3 { font-size: 1.4rem; color: var(--sbb4-accent); margin: 1rem 0 0.5rem; text-transform: uppercase; letter-spacing: 0.08rem; }
.sbb4-mobile-menu a {
  display: block; padding: 0.8rem 0; color: var(--sbb4-text);
  border-bottom: 0.05rem dashed var(--sbb4-border); font-size: 1.3rem;
}
.sbb4-mobile-menu a:hover { color: var(--sbb4-accent); padding-left: 0.5rem; }

/* ---------- Hero / Carousel ---------- */
.sbb4-carousel { position: relative; overflow: hidden; border-radius: var(--sbb4-radius); margin-top: 5rem; }
.sbb4-slides { display: flex; }
.sbb4-slide {
  position: absolute; top: 0; left: 0; width: 100%; opacity: 0; transition: opacity 0.6s ease;
  pointer-events: none;
}
.sbb4-slide img { width: 100%; height: 18rem; object-fit: cover; border-radius: var(--sbb4-radius); }
.sbb4-slide-active { opacity: 1; position: relative; pointer-events: auto; }
.sbb4-carousel-overlay {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1.2rem; background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.85) 100%);
  border-bottom-left-radius: var(--sbb4-radius); border-bottom-right-radius: var(--sbb4-radius);
}
.sbb4-carousel-overlay h2 { font-size: 1.6rem; color: var(--sbb4-text); margin-bottom: 0.3rem; }
.sbb4-carousel-overlay p { font-size: 1.15rem; color: var(--sbb4-muted); }
.sbb4-carousel-nav {
  position: absolute; top: 50%; transform: translateY(-50%); width: 3rem; height: 3rem;
  background: rgba(0,0,0,0.5); color: var(--sbb4-text); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem; z-index: 5;
}
.sbb4-carousel-nav.sbb4-prev { left: 0.5rem; }
.sbb4-carousel-nav.sbb4-next { right: 0.5rem; }
.sbb4-dots { position: absolute; bottom: 0.6rem; left: 50%; transform: translateX(-50%); display: flex; gap: 0.4rem; z-index: 6; }
.sbb4-dot { width: 0.8rem; height: 0.8rem; border-radius: 50%; background: rgba(245,222,179,0.4); transition: background 0.2s; }
.sbb4-dot-active { background: var(--sbb4-accent); }

/* ---------- Headings ---------- */
.sbb4-h1 { font-size: 2rem; color: var(--sbb4-text); margin: 1.5rem 0 0.8rem; line-height: 1.25; font-weight: 800; }
.sbb4-h2 { font-size: 1.7rem; color: var(--sbb4-accent); margin: 2rem 0 0.8rem; font-weight: 700; }
.sbb4-h3 { font-size: 1.4rem; color: var(--sbb4-text); margin: 1.4rem 0 0.6rem; font-weight: 700; }
.sbb4-p { font-size: 1.3rem; color: var(--sbb4-muted); margin-bottom: 0.8rem; }
.sbb4-p b, .sbb4-p strong, .sbb4-promo-text { color: var(--sbb4-accent); font-weight: 700; }

/* ---------- Category section ---------- */
.sbb4-cat-header { display: flex; align-items: center; justify-content: space-between; margin: 1.5rem 0 1rem; }
.sbb4-cat-header h2 { font-size: 1.55rem; color: var(--sbb4-accent); font-weight: 800; display: flex; align-items: center; gap: 0.5rem; }
.sbb4-cat-header .sbb4-cat-icon { font-size: 1.7rem; }
.sbb4-cat-link { font-size: 1.15rem; color: var(--sbb4-accent); font-weight: 700; }

/* ---------- Game grid ---------- */
.sbb4-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; }
.sbb4-game-card {
  background: var(--sbb4-surface); border-radius: var(--sbb4-radius);
  padding: 0.5rem; text-align: center; transition: transform 0.15s ease, box-shadow 0.15s ease;
  border: 0.05rem solid var(--sbb4-border);
}
.sbb4-game-card:hover { transform: translateY(-0.3rem); box-shadow: var(--sbb4-shadow); border-color: var(--sbb4-accent); }
.sbb4-game-card img { width: 100%; height: 7.5rem; object-fit: cover; border-radius: 0.5rem; margin-bottom: 0.4rem; }
.sbb4-game-card span { display: block; font-size: 1.05rem; color: var(--sbb4-text); font-weight: 600; line-height: 1.2; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- Cards / info blocks ---------- */
.sbb4-card {
  background: var(--sbb4-surface); border: 0.05rem solid var(--sbb4-border);
  border-radius: var(--sbb4-radius); padding: 1.2rem; margin-bottom: 1rem;
}
.sbb4-card h3 { color: var(--sbb4-accent); margin-bottom: 0.6rem; font-size: 1.35rem; }
.sbb4-card-icon { font-size: 2rem; color: var(--sbb4-accent); margin-bottom: 0.4rem; display: inline-block; }

/* ---------- Feature / steps grid ---------- */
.sbb4-feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
.sbb4-feature { background: var(--sbb4-surface2); padding: 1rem; border-radius: var(--sbb4-radius); text-align: center; border: 0.05rem solid var(--sbb4-border); }
.sbb4-feature .material-symbols-outlined, .sbb4-feature i { font-size: 2.2rem; color: var(--sbb4-accent); margin-bottom: 0.4rem; }
.sbb4-feature h4 { font-size: 1.2rem; color: var(--sbb4-text); margin-bottom: 0.3rem; }
.sbb4-feature p { font-size: 1.1rem; color: var(--sbb4-muted); }

/* ---------- Steps ---------- */
.sbb4-steps { list-style: none; counter-reset: step; }
.sbb4-steps li {
  position: relative; padding: 0.8rem 0 0.8rem 3.4rem; counter-increment: step;
  border-bottom: 0.05rem dashed var(--sbb4-border);
}
.sbb4-steps li::before {
  content: counter(step); position: absolute; left: 0; top: 0.8rem;
  width: 2.4rem; height: 2.4rem; border-radius: 50%;
  background: var(--sbb4-accent2); color: #fff; font-weight: 800;
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
}

/* ---------- Promo CTA banner ---------- */
.sbb4-cta {
  background: linear-gradient(135deg, var(--sbb4-accent2), var(--sbb4-primary));
  border-radius: var(--sbb4-radius-lg); padding: 1.5rem 1.2rem; text-align: center; margin: 1.5rem 0;
  box-shadow: var(--sbb4-shadow);
}
.sbb4-cta h3 { color: #fff; font-size: 1.6rem; margin-bottom: 0.4rem; }
.sbb4-cta p { color: rgba(255,255,255,0.9); margin-bottom: 0.9rem; font-size: 1.2rem; }
.sbb4-cta .sbb4-btn { background: #fff; color: var(--sbb4-accent2); font-size: 1.35rem; padding: 0.9rem 2rem; }

/* ---------- Payment / winners / testimonials ---------- */
.sbb4-chips { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.sbb4-chip {
  background: var(--sbb4-surface); border: 0.05rem solid var(--sbb4-border);
  padding: 0.5rem 0.9rem; border-radius: 2rem; font-size: 1.1rem; color: var(--sbb4-text);
  display: inline-flex; align-items: center; gap: 0.3rem;
}
.sbb4-winners { list-style: none; }
.sbb4-winners li {
  display: flex; justify-content: space-between; padding: 0.6rem 0;
  border-bottom: 0.05rem dashed var(--sbb4-border); font-size: 1.2rem;
}
.sbb4-winners li b { color: var(--sbb4-accent); }

/* ---------- Footer ---------- */
.sbb4-footer {
  background: #14110d; padding: 2.4rem 1.2rem 9rem; margin-top: 2rem;
  border-top: 0.1rem solid var(--sbb4-border);
}
.sbb4-footer-brand { font-size: 1.25rem; color: var(--sbb4-muted); margin-bottom: 1.2rem; line-height: 1.6; }
.sbb4-footer-links { display: flex; flex-wrap: wrap; gap: 0.6rem 1rem; margin: 1rem 0; }
.sbb4-footer-links a { color: var(--sbb4-text); font-size: 1.15rem; }
.sbb4-footer-promos { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1rem 0; }
.sbb4-footer-promos .sbb4-btn { padding: 0.5rem 1rem; font-size: 1.1rem; min-height: 2.8rem; }
.sbb4-copy { font-size: 1.1rem; color: var(--sbb4-muted); margin-top: 1rem; text-align: center; border-top: 0.05rem solid var(--sbb4-border); padding-top: 1rem; }

/* ---------- Bottom nav (mobile only) ---------- */
.sbb4-bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000;
  background: #14110d; border-top: 0.1rem solid var(--sbb4-border);
  display: flex; justify-content: space-around; align-items: center;
  padding: 0.3rem 0; height: 6rem;
}
.sbb4-bottom-nav-btn {
  flex: 1; min-width: 6rem; min-height: 5.4rem;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: var(--sbb4-text); font-size: 1rem; gap: 0.2rem; position: relative;
  transition: color 0.15s ease, transform 0.15s ease;
}
.sbb4-bottom-nav-btn i, .sbb4-bottom-nav-btn .material-symbols-outlined {
  font-size: 2.2rem; transition: transform 0.15s ease;
}
.sbb4-bottom-nav-btn:active { transform: scale(0.92); }
.sbb4-bottom-nav-btn:hover { color: var(--sbb4-accent); }
.sbb4-bottom-nav-btn:hover i, .sbb4-bottom-nav-btn:hover .material-symbols-outlined { transform: translateY(-0.2rem); }
.sbb4-bottom-nav-active { color: var(--sbb4-accent); }
.sbb4-bottom-nav-active::after {
  content: ''; position: absolute; top: 0; left: 25%; right: 25%; height: 0.25rem;
  background: var(--sbb4-accent); border-radius: 0 0 0.4rem 0.4rem;
}
.sbb4-bottom-nav-promo { color: var(--sbb4-accent2); }
.sbb4-bottom-nav-badge {
  position: absolute; top: 0.2rem; right: 1.2rem; min-width: 1.4rem; height: 1.4rem;
  padding: 0 0.3rem; background: var(--sbb4-accent2); color: #fff; font-size: 0.9rem; font-weight: 800;
  border-radius: 1rem; display: flex; align-items: center; justify-content: center;
}

/* ---------- Back to top ---------- */
.sbb4-top {
  position: fixed; right: 1.2rem; bottom: 7.5rem; z-index: 999;
  width: 4rem; height: 4rem; border-radius: 50%;
  background: var(--sbb4-accent2); color: #fff; font-size: 1.8rem;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.2s ease;
}
.sbb4-top-visible { opacity: 1; pointer-events: auto; }

/* ---------- Desktop ---------- */
@media (min-width: 769px) {
  body { background: #1a1a1a; }
  .sbb4-container, .sbb4-wrapper, .sbb4-header-inner, .sbb4-footer { max-width: 430px; }
  .sbb4-bottom-nav { display: none; }
  .sbb4-footer { padding-bottom: 2.4rem; }
}

/* ---------- Mobile bottom-padding for fixed nav ---------- */
@media (max-width: 768px) {
  main.sbb4-main { padding-bottom: 8rem; }
  .sbb4-footer { padding-bottom: 9rem; }
}