/* ============================================================
   phvip casino - Core stylesheet (prefix: ui40-)
   Palette: #4682B4 (steel blue) | #273746 (dark slate)
   Mobile-first HTML5 casino layout (max-width: 430px)
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  --ui40-bg: #273746;
  --ui40-bg-2: #1d2a35;
  --ui40-bg-3: #2e4153;
  --ui40-surface: #324a5f;
  --ui40-primary: #4682B4;
  --ui40-primary-light: #5da3d6;
  --ui40-primary-dark: #356a9a;
  --ui40-text: #eaf2fb;
  --ui40-text-muted: #a9bdce;
  --ui40-accent: #f5c242;
  --ui40-accent-2: #ff6b6b;
  --ui40-success: #2ecc71;
  --ui40-border: rgba(70, 130, 180, 0.28);
  --ui40-gradient: linear-gradient(135deg, #4682B4 0%, #273746 100%);
  --ui40-gradient-accent: linear-gradient(135deg, #f5c242 0%, #ff6b6b 100%);
  --ui40-radius: 1.2rem;
  --ui40-radius-sm: 0.8rem;
  --ui40-shadow: 0 0.4rem 1.4rem rgba(0, 0, 0, 0.35);
  --ui40-shadow-promo: 0 0.4rem 1.6rem rgba(245, 194, 66, 0.35);
  --ui40-header-h: 5.6rem;
  --ui40-bottom-h: 6.2rem;
  --ui40-transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { font-size: 62.5%; scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", "Helvetica Neue", Roboto, Arial, sans-serif;
  background: var(--ui40-bg);
  color: var(--ui40-text);
  line-height: 1.5rem;
  font-size: 1.4rem;
  overflow-x: hidden;
  min-height: 100vh;
}
a { color: var(--ui40-primary-light); text-decoration: none; transition: color var(--ui40-transition); }
a:hover { color: var(--ui40-accent); }
img { max-width: 100%; display: block; }
ul { list-style: none; }
h1, h2, h3, h4 { line-height: 1.5rem; font-weight: 700; color: var(--ui40-text); }

/* ---------- Layout helpers ---------- */
.ui40-container { width: 100%; max-width: 430px; margin: 0 auto; padding: 0 1.2rem; }
.ui40-wrapper { padding: 2rem 1.2rem; }
.ui40-section { padding: 2.4rem 0; border-bottom: 0.1rem solid var(--ui40-border); }
.ui40-section-title { font-size: 1.7rem; margin-bottom: 1rem; color: var(--ui40-text); display: flex; align-items: center; gap: 0.6rem; }
.ui40-section-title::before { content: ""; width: 0.4rem; height: 1.8rem; background: var(--ui40-accent); border-radius: 0.2rem; }
.ui40-text-muted { color: var(--ui40-text-muted); }
.ui40-row { display: flex; gap: 0.8rem; align-items: center; }
.ui40-grid { display: grid; gap: 0.8rem; }

/* ---------- Header / Top navigation ---------- */
.ui40-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(39, 55, 70, 0.96);
  backdrop-filter: blur(1rem);
  border-bottom: 0.1rem solid var(--ui40-border);
  height: var(--ui40-header-h);
}
.ui40-header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; padding: 0 1rem; max-width: 430px; margin: 0 auto; }
.ui40-brand { display: flex; align-items: center; gap: 0.6rem; }
.ui40-brand img { width: 3rem; height: 3rem; border-radius: 0.6rem; }
.ui40-brand-text { font-size: 1.5rem; font-weight: 800; color: var(--ui40-accent); letter-spacing: 0.02rem; }
.ui40-brand-text span { color: var(--ui40-primary-light); }
.ui40-actions { display: flex; align-items: center; gap: 0.5rem; }
.ui40-btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem; border: none; cursor: pointer; font-weight: 700; font-size: 1.2rem; padding: 0.7rem 1.2rem; border-radius: 2rem; transition: transform var(--ui40-transition), box-shadow var(--ui40-transition); }
.ui40-btn:active { transform: scale(0.96); }
.ui40-btn-login { background: transparent; color: var(--ui40-text); border: 0.1rem solid var(--ui40-primary); }
.ui40-btn-login:hover { background: var(--ui40-primary); color: #fff; }
.ui40-btn-register { background: var(--ui40-gradient-accent); color: #1d2a35; box-shadow: var(--ui40-shadow-promo); }
.ui40-menu-toggle { background: transparent; border: none; color: var(--ui40-text); font-size: 2rem; cursor: pointer; padding: 0.4rem; }

/* ---------- Dropdown navigation menu ---------- */
.ui40-nav-menu {
  position: fixed; top: var(--ui40-header-h); left: 0; right: 0;
  background: var(--ui40-bg-2);
  border-bottom: 0.1rem solid var(--ui40-border);
  max-height: 0; overflow: hidden; transition: max-height var(--ui40-transition);
  z-index: 9999;
}
.ui40-nav-menu.ui40-open { max-height: 50rem; }
.ui40-nav-menu ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.2rem; padding: 0.6rem; }
.ui40-nav-menu a { display: flex; align-items: center; gap: 0.5rem; padding: 0.9rem 1rem; color: var(--ui40-text); font-size: 1.25rem; border-radius: 0.6rem; }
.ui40-nav-menu a:hover { background: var(--ui40-surface); color: var(--ui40-accent); }
.ui40-nav-menu a i { color: var(--ui40-primary-light); }

/* ---------- Hero carousel ---------- */
.ui40-hero { margin-top: var(--ui40-header-h); position: relative; overflow: hidden; }
.ui40-carousel { position: relative; width: 100%; overflow: hidden; border-radius: 0 0 1.4rem 1.4rem; }
.ui40-carousel-track { display: flex; transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
.ui40-carousel-slide { flex: 0 0 100%; position: relative; cursor: pointer; }
.ui40-carousel-slide img { width: 100%; height: 18rem; object-fit: cover; }
.ui40-carousel-overlay { position: absolute; left: 0; right: 0; bottom: 0; padding: 1rem; background: linear-gradient(to top, rgba(39, 55, 70, 0.95), transparent); color: var(--ui40-text); }
.ui40-carousel-overlay h2 { font-size: 1.6rem; color: var(--ui40-accent); margin-bottom: 0.3rem; }
.ui40-carousel-overlay p { font-size: 1.1rem; color: var(--ui40-text-muted); }
.ui40-carousel-dots { display: flex; justify-content: center; gap: 0.5rem; padding: 0.8rem 0; background: var(--ui40-bg-2); }
.ui40-carousel-dots button { width: 0.8rem; height: 0.8rem; border-radius: 50%; border: none; background: var(--ui40-primary-dark); cursor: pointer; transition: background var(--ui40-transition); }
.ui40-carousel-dots button.ui40-active { background: var(--ui40-accent); width: 2rem; border-radius: 0.4rem; }

/* ---------- H1 / Intro ---------- */
.ui40-intro { padding: 2rem 1.2rem; text-align: center; }
.ui40-intro h1 { font-size: 2rem; color: var(--ui40-text); margin-bottom: 0.8rem; }
.ui40-intro h1 strong { color: var(--ui40-accent); }
.ui40-intro p { color: var(--ui40-text-muted); font-size: 1.3rem; }

/* ---------- Game grid ---------- */
.ui40-game-block { padding: 1.4rem 0; }
.ui40-game-block h2 { font-size: 1.55rem; margin: 0 1.2rem 1rem; display: flex; align-items: center; gap: 0.6rem; }
.ui40-game-block h2 i { color: var(--ui40-accent); font-size: 1.8rem; }
.ui40-game-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.7rem; padding: 0 1.2rem; }
.ui40-game-card { background: var(--ui40-bg-3); border-radius: var(--ui40-radius-sm); overflow: hidden; cursor: pointer; position: relative; transition: transform var(--ui40-transition); border: 0.1rem solid var(--ui40-border); }
.ui40-game-card:active { transform: scale(0.96); }
.ui40-game-card img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.ui40-game-card span { display: block; padding: 0.5rem 0.4rem; font-size: 1.05rem; color: var(--ui40-text); text-align: center; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ui40-game-card::after { content: "\f04b"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0); width: 3rem; height: 3rem; line-height: 3rem; text-align: center; background: var(--ui40-gradient-accent); color: #1d2a35; border-radius: 50%; transition: transform var(--ui40-transition); font-size: 1.2rem; }
.ui40-game-card:hover::after { transform: translate(-50%, -50%) scale(1); }

/* ---------- Content / info cards ---------- */
.ui40-card { background: var(--ui40-bg-3); border: 0.1rem solid var(--ui40-border); border-radius: var(--ui40-radius); padding: 1.4rem; margin: 1rem 1.2rem; box-shadow: var(--ui40-shadow); }
.ui40-card h3 { font-size: 1.4rem; color: var(--ui40-accent); margin-bottom: 0.6rem; display: flex; align-items: center; gap: 0.5rem; }
.ui40-card p { color: var(--ui40-text-muted); font-size: 1.2rem; line-height: 1.8rem; margin-bottom: 0.6rem; }
.ui40-card ul { padding-left: 1.4rem; color: var(--ui40-text-muted); font-size: 1.2rem; line-height: 1.8rem; }
.ui40-card ul li { list-style: disc; margin-bottom: 0.3rem; }

/* ---------- Promo CTA ---------- */
.ui40-cta { background: var(--ui40-gradient); border-radius: var(--ui40-radius); padding: 1.6rem; margin: 1.2rem; text-align: center; border: 0.1rem solid var(--ui40-primary-light); }
.ui40-cta h3 { font-size: 1.6rem; color: var(--ui40-accent); margin-bottom: 0.5rem; }
.ui40-cta p { color: var(--ui40-text); font-size: 1.2rem; margin-bottom: 1rem; }
.ui40-cta .ui40-btn { background: var(--ui40-gradient-accent); color: #1d2a35; padding: 1rem 2rem; font-size: 1.3rem; }
.ui40-link-text { color: var(--ui40-accent); font-weight: 700; }
.ui40-link-text:hover { text-decoration: underline; }

/* ---------- Steps / How-to ---------- */
.ui40-steps { counter-reset: step; padding: 0 1.2rem; }
.ui40-step { display: flex; gap: 1rem; padding: 1rem 0; border-bottom: 0.1rem solid var(--ui40-border); }
.ui40-step:last-child { border-bottom: none; }
.ui40-step-num { flex: 0 0 3rem; height: 3rem; background: var(--ui40-gradient-accent); color: #1d2a35; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.4rem; }
.ui40-step-body h4 { font-size: 1.3rem; color: var(--ui40-text); margin-bottom: 0.3rem; }
.ui40-step-body p { color: var(--ui40-text-muted); font-size: 1.2rem; }

/* ---------- Testimonials ---------- */
.ui40-testimonials { display: grid; gap: 0.8rem; padding: 0 1.2rem; }
.ui40-testimonial { background: var(--ui40-bg-3); padding: 1.2rem; border-radius: var(--ui40-radius-sm); border-left: 0.3rem solid var(--ui40-accent); }
.ui40-testimonial p { font-style: italic; color: var(--ui40-text); font-size: 1.2rem; margin-bottom: 0.6rem; }
.ui40-testimonial .ui40-stars { color: var(--ui40-accent); margin-bottom: 0.3rem; }
.ui40-testimonial .ui40-author { color: var(--ui40-primary-light); font-size: 1.1rem; font-weight: 700; }

/* ---------- Payment / Winners ---------- */
.ui40-chips { display: flex; flex-wrap: wrap; gap: 0.6rem; padding: 0 1.2rem; }
.ui40-chip { background: var(--ui40-bg-3); border: 0.1rem solid var(--ui40-border); border-radius: 2rem; padding: 0.6rem 1rem; font-size: 1.1rem; color: var(--ui40-text); display: inline-flex; align-items: center; gap: 0.4rem; }
.ui40-chip i { color: var(--ui40-primary-light); }
.ui40-winners { background: var(--ui40-bg-3); border-radius: var(--ui40-radius); margin: 0 1.2rem; overflow: hidden; }
.ui40-winner-row { display: flex; justify-content: space-between; padding: 0.7rem 1rem; border-bottom: 0.1rem solid var(--ui40-border); font-size: 1.15rem; }
.ui40-winner-row:last-child { border-bottom: none; }
.ui40-winner-row .ui40-amount { color: var(--ui40-accent); font-weight: 700; }

/* ---------- FAQ ---------- */
.ui40-faq-item { background: var(--ui40-bg-3); border: 0.1rem solid var(--ui40-border); border-radius: var(--ui40-radius-sm); margin: 0.6rem 1.2rem; overflow: hidden; }
.ui40-faq-q { padding: 1rem; font-weight: 700; color: var(--ui40-text); cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: 1.25rem; }
.ui40-faq-q i { color: var(--ui40-accent); transition: transform var(--ui40-transition); }
.ui40-faq-q.ui40-open i { transform: rotate(180deg); }
.ui40-faq-a { max-height: 0; overflow: hidden; transition: max-height var(--ui40-transition); padding: 0 1rem; color: var(--ui40-text-muted); font-size: 1.2rem; }
.ui40-faq-a.ui40-open { max-height: 30rem; padding: 0 1rem 1rem; }

/* ---------- Footer ---------- */
.ui40-footer { background: var(--ui40-bg-2); padding: 2rem 1.2rem 8rem; border-top: 0.1rem solid var(--ui40-border); margin-top: 2rem; }
.ui40-footer h4 { font-size: 1.3rem; color: var(--ui40-accent); margin-bottom: 0.8rem; }
.ui40-footer p { color: var(--ui40-text-muted); font-size: 1.15rem; margin-bottom: 1rem; }
.ui40-footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.4rem; margin-bottom: 1.4rem; }
.ui40-footer-links a { color: var(--ui40-text); font-size: 1.1rem; padding: 0.3rem 0; }
.ui40-footer-promos { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1rem 0; }
.ui40-footer-promos .ui40-btn { background: var(--ui40-primary); color: #fff; padding: 0.6rem 1rem; font-size: 1.1rem; }
.ui40-footer-copy { text-align: center; color: var(--ui40-text-muted); font-size: 1.05rem; border-top: 0.1rem solid var(--ui40-border); padding-top: 1rem; margin-top: 1rem; }

/* ---------- Mobile bottom navigation ---------- */
.ui40-bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000;
  height: var(--ui40-bottom-h);
  background: linear-gradient(to top, var(--ui40-bg-2), var(--ui40-bg));
  border-top: 0.15rem solid var(--ui40-accent);
  display: flex; justify-content: space-around; align-items: stretch;
  box-shadow: 0 -0.4rem 1rem rgba(0, 0, 0, 0.4);
}
.ui40-bottom-nav button, .ui40-bottom-nav a {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.2rem; background: transparent; border: none; color: var(--ui40-text-muted);
  font-size: 1rem; font-weight: 600; text-decoration: none; cursor: pointer;
  transition: color var(--ui40-transition), transform var(--ui40-transition);
  padding: 0.4rem 0;
}
.ui40-bottom-nav button:active, .ui40-bottom-nav a:active { transform: scale(0.92); }
.ui40-bottom-nav .ui40-nav-icon { font-size: 2.2rem; line-height: 1; }
.ui40-bottom-nav .ui40-active { color: var(--ui40-accent); }
.ui40-bottom-nav .ui40-badge { position: absolute; top: 0.4rem; right: 22%; background: var(--ui40-accent-2); color: #fff; font-size: 0.85rem; padding: 0 0.4rem; border-radius: 1rem; font-weight: 700; }
.ui40-bottom-nav-item { position: relative; }

/* ---------- Floating promo ---------- */
.ui40-float-promo {
  position: fixed; right: 1rem; bottom: calc(var(--ui40-bottom-h) + 1rem); z-index: 999;
  width: 5rem; height: 5rem; border-radius: 50%;
  background: var(--ui40-gradient-accent); color: #1d2a35;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-size: 1.6rem; cursor: pointer; box-shadow: var(--ui40-shadow-promo);
  border: none; font-weight: 800; animation: ui40-pulse 2s infinite;
}
.ui40-float-promo span { font-size: 0.8rem; }
@keyframes ui40-pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.08); } }

/* ---------- Desktop: hide bottom nav & float promo ---------- */
@media (min-width: 769px) {
  .ui40-bottom-nav, .ui40-float-promo { display: none; }
  main { padding-bottom: 0 !important; }
}
@media (max-width: 768px) { main { padding-bottom: 7rem; } }