/* ax8.click - design-02d4.css
   Mobile-first stylesheet for the ax8 Vietnamese gaming portal.
   All custom classes use the s02d- prefix. Root font-size 62.5% (1rem = 10px). */

:root {
  --s02d-primary: #00FF7F;
  --s02d-secondary: #00CED1;
  --s02d-bg: #2C3E50;
  --s02d-bg-dark: #1a2530;
  --s02d-bg-light: #34495e;
  --s02d-text: #98FB98;
  --s02d-text-light: #B2DFDB;
  --s02d-white: #ffffff;
  --s02d-accent: #FFD700;
  --s02d-danger: #FF6B6B;
  --s02d-header-h: 6rem;
  --s02d-bottom-nav-h: 6.4rem;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 62.5%; scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--s02d-bg);
  color: var(--s02d-white);
  line-height: 1.5rem;
  font-size: 1.4rem;
  max-width: 430px;
  margin: 0 auto;
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--s02d-secondary); text-decoration: none; }
button { font-family: inherit; }

/* ===== Header ===== */
.s02d-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: linear-gradient(135deg, var(--s02d-bg-dark), var(--s02d-bg));
  border-bottom: 1px solid rgba(0, 255, 127, 0.2);
  padding: 0 1.2rem;
  height: var(--s02d-header-h);
  display: flex; align-items: center; justify-content: space-between;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
  transition: all 0.3s ease;
}
.s02d-header-scrolled {
  background: rgba(26, 37, 48, 0.95);
  backdrop-filter: blur(10px);
}
.s02d-logo { display: flex; align-items: center; gap: 0.8rem; }
.s02d-logo img { width: 3.2rem; height: 3.2rem; border-radius: 0.6rem; }
.s02d-logo-text {
  font-size: 1.9rem; font-weight: 800; color: var(--s02d-primary);
  text-shadow: 0 0 10px rgba(0, 255, 127, 0.5);
}
.s02d-header-actions { display: flex; align-items: center; gap: 0.5rem; }
.s02d-btn {
  border: none; cursor: pointer; font-weight: 700;
  border-radius: 2rem; padding: 0.7rem 1.3rem; font-size: 1.15rem;
  transition: all 0.25s ease; display: inline-flex; align-items: center; gap: 0.4rem;
}
.s02d-btn-primary {
  background: linear-gradient(135deg, var(--s02d-primary), var(--s02d-secondary));
  color: var(--s02d-bg-dark);
  box-shadow: 0 4px 12px rgba(0, 255, 127, 0.35);
}
.s02d-btn-primary:active { transform: scale(0.95); }
.s02d-btn-secondary {
  background: transparent; color: var(--s02d-text-light);
  border: 1px solid var(--s02d-secondary);
}
.s02d-btn-secondary:active { background: rgba(0, 206, 209, 0.15); }
.s02d-menu-toggle {
  background: transparent; border: none; color: var(--s02d-primary);
  font-size: 2rem; cursor: pointer; width: 3.6rem; height: 3.6rem;
  display: flex; align-items: center; justify-content: center; border-radius: 0.6rem;
}

/* ===== Mobile slide-in menu ===== */
.s02d-mobile-menu {
  position: fixed; top: 0; right: -100%; width: 82%; max-width: 320px;
  height: 100vh; background: var(--s02d-bg-dark); z-index: 9999;
  padding: 6rem 1.5rem 2rem; transition: right 0.3s ease; overflow-y: auto;
  box-shadow: -4px 0 20px rgba(0,0,0,0.4);
}
.s02d-mobile-menu.s02d-menu-open { right: 0; }
.s02d-mobile-menu a {
  display: flex; align-items: center; gap: 0.8rem;
  padding: 1.1rem 1rem; color: var(--s02d-text-light);
  border-bottom: 1px solid rgba(178, 223, 219, 0.1); font-size: 1.35rem;
}
.s02d-mobile-menu a:active { background: rgba(0, 255, 127, 0.1); color: var(--s02d-primary); }
.s02d-menu-close {
  position: absolute; top: 1.2rem; right: 1.2rem;
  background: transparent; border: none; color: var(--s02d-white);
  font-size: 2.4rem; cursor: pointer;
}
.s02d-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 9998;
  opacity: 0; visibility: hidden; transition: all 0.3s ease;
}
.s02d-overlay.s02d-overlay-show { opacity: 1; visibility: visible; }
.s02d-no-scroll { overflow: hidden; }

/* ===== Layout ===== */
.s02d-main { padding-top: var(--s02d-header-h); }
.s02d-container { padding: 0 1.2rem; }

/* ===== Carousel ===== */
.s02d-carousel {
  position: relative; border-radius: 1.2rem; overflow: hidden; margin: 1rem 0;
  box-shadow: 0 4px 14px rgba(0,0,0,0.35);
}
.s02d-carousel-slide { display: none; position: relative; cursor: pointer; }
.s02d-carousel-slide.s02d-slide-active { display: block; }
.s02d-carousel-slide img { width: 100%; height: 18rem; object-fit: cover; }
.s02d-carousel-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.88));
  padding: 2.2rem 1.2rem 1.2rem;
}
.s02d-carousel-title { color: var(--s02d-primary); font-size: 1.7rem; font-weight: 800; margin-bottom: 0.3rem; }
.s02d-carousel-sub { color: var(--s02d-white); font-size: 1.2rem; margin-bottom: 0.8rem; }
.s02d-carousel-dots { position: absolute; bottom: 1rem; right: 1rem; display: flex; gap: 0.5rem; }
.s02d-carousel-dot { width: 0.8rem; height: 0.8rem; border-radius: 50%; background: rgba(255,255,255,0.5); cursor: pointer; border: none; }
.s02d-carousel-dot.s02d-dot-active { background: var(--s02d-primary); width: 2rem; border-radius: 0.4rem; }

/* ===== Sections & titles ===== */
.s02d-section { padding: 1.8rem 0; }
.s02d-section-title {
  font-size: 1.7rem; font-weight: 800; color: var(--s02d-primary);
  margin-bottom: 1.2rem; padding-left: 1rem;
  border-left: 4px solid var(--s02d-secondary);
  display: flex; align-items: center; gap: 0.6rem;
}
.s02d-h1 {
  font-size: 2rem; font-weight: 800; color: var(--s02d-white);
  text-align: center; margin: 1.4rem 0; line-height: 2.6rem;
}
.s02d-intro { color: var(--s02d-text-light); font-size: 1.3rem; line-height: 1.9rem; }
.s02d-intro strong { color: var(--s02d-primary); }
.s02d-intro a { color: var(--s02d-secondary); font-weight: 700; }

/* ===== Game grid ===== */
.s02d-game-cat-title {
  font-size: 1.5rem; font-weight: 700; color: var(--s02d-secondary);
  margin: 1.5rem 0 0.8rem; display: flex; align-items: center; gap: 0.5rem;
}
.s02d-game-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; margin-bottom: 1rem; }
.s02d-game-item {
  background: var(--s02d-bg-light); border-radius: 0.8rem; padding: 0.5rem;
  text-align: center; cursor: pointer; transition: all 0.2s ease;
  border: 1px solid rgba(0, 206, 209, 0.15);
}
.s02d-game-item:active { transform: scale(0.94); border-color: var(--s02d-primary); }
.s02d-game-item img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 0.6rem; margin-bottom: 0.3rem; }
.s02d-game-item-name {
  font-size: 1rem; color: var(--s02d-text-light); line-height: 1.2rem;
  height: 2.4rem; overflow: hidden;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}

/* ===== Cards ===== */
.s02d-card {
  background: var(--s02d-bg-light); border-radius: 1rem; padding: 1.2rem;
  margin-bottom: 1rem; border: 1px solid rgba(0, 206, 209, 0.15);
}
.s02d-card h3 { color: var(--s02d-primary); font-size: 1.4rem; margin-bottom: 0.6rem; }
.s02d-card p { color: var(--s02d-text-light); font-size: 1.25rem; line-height: 1.8rem; margin-bottom: 0.5rem; }

.s02d-feature-list { list-style: none; }
.s02d-feature-list li {
  padding: 0.8rem 0; border-bottom: 1px dashed rgba(178, 223, 219, 0.15);
  display: flex; align-items: flex-start; gap: 0.8rem;
  font-size: 1.25rem; color: var(--s02d-text-light); line-height: 1.7rem;
}
.s02d-feature-list li i, .s02d-feature-list li span.icon { color: var(--s02d-primary); font-size: 1.6rem; flex-shrink: 0; margin-top: 0.2rem; }

/* ===== Steps ===== */
.s02d-step { display: flex; gap: 1rem; margin-bottom: 1rem; align-items: flex-start; }
.s02d-step-num {
  width: 2.8rem; height: 2.8rem; border-radius: 50%;
  background: linear-gradient(135deg, var(--s02d-primary), var(--s02d-secondary));
  color: var(--s02d-bg-dark); display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.4rem; flex-shrink: 0;
}
.s02d-step-content { flex: 1; font-size: 1.25rem; color: var(--s02d-text-light); line-height: 1.7rem; }
.s02d-step-content strong { color: var(--s02d-primary); }

/* ===== FAQ ===== */
.s02d-faq-item {
  background: var(--s02d-bg-light); border-radius: 0.8rem; margin-bottom: 0.8rem;
  overflow: hidden; border: 1px solid rgba(0, 206, 209, 0.12);
}
.s02d-faq-q {
  padding: 1rem 1.2rem; font-weight: 700; color: var(--s02d-secondary);
  font-size: 1.3rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center;
}
.s02d-faq-q .s02d-faq-icon { transition: transform 0.25s ease; color: var(--s02d-primary); }
.s02d-faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; padding: 0 1.2rem; color: var(--s02d-text-light); font-size: 1.2rem; line-height: 1.7rem; }
.s02d-faq-item.s02d-faq-open .s02d-faq-a { max-height: 30rem; padding: 0 1.2rem 1rem; }
.s02d-faq-item.s02d-faq-open .s02d-faq-icon { transform: rotate(45deg); }

/* ===== CTA banner ===== */
.s02d-cta {
  background: linear-gradient(135deg, var(--s02d-primary), var(--s02d-secondary));
  color: var(--s02d-bg-dark); padding: 1.5rem; border-radius: 1rem; text-align: center; margin: 1.5rem 0;
}
.s02d-cta-title { font-size: 1.8rem; font-weight: 800; margin-bottom: 0.4rem; }
.s02d-cta-text { font-size: 1.25rem; margin-bottom: 1rem; }
.s02d-cta .s02d-btn-cta { background: var(--s02d-bg-dark); color: var(--s02d-primary); padding: 1rem 2.5rem; font-size: 1.4rem; border: none; border-radius: 2rem; font-weight: 800; cursor: pointer; }

/* ===== Testimonials ===== */
.s02d-testimonial { background: var(--s02d-bg-light); border-radius: 0.8rem; padding: 1rem; margin-bottom: 0.8rem; border-left: 3px solid var(--s02d-primary); }
.s02d-testimonial-author { font-weight: 700; color: var(--s02d-secondary); font-size: 1.3rem; margin-bottom: 0.3rem; }
.s02d-testimonial-text { color: var(--s02d-text-light); font-size: 1.2rem; line-height: 1.6rem; }
.s02d-stars { color: var(--s02d-accent); font-size: 1.2rem; margin-bottom: 0.2rem; letter-spacing: 0.1rem; }

/* ===== Payments / winners / RTP ===== */
.s02d-payment-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; }
.s02d-payment-item { background: var(--s02d-bg-light); border-radius: 0.6rem; padding: 0.8rem; text-align: center; font-size: 1.05rem; color: var(--s02d-text-light); border: 1px solid rgba(0, 206, 209, 0.12); }
.s02d-payment-item i, .s02d-payment-item span.icon { font-size: 2rem; color: var(--s02d-secondary); display: block; margin-bottom: 0.3rem; }
.s02d-winner { display: flex; justify-content: space-between; align-items: center; padding: 0.8rem; background: var(--s02d-bg-light); border-radius: 0.6rem; margin-bottom: 0.5rem; font-size: 1.2rem; }
.s02d-winner-name { color: var(--s02d-text-light); }
.s02d-winner-amount { color: var(--s02d-primary); font-weight: 700; }
.s02d-rtp-row { display: flex; justify-content: space-between; padding: 0.6rem 0; border-bottom: 1px dashed rgba(178, 223, 219, 0.15); font-size: 1.2rem; }
.s02d-rtp-row span:first-child { color: var(--s02d-text-light); }
.s02d-rtp-row span:last-child { color: var(--s02d-primary); font-weight: 700; }

/* ===== Highlights grid ===== */
.s02d-highlight-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
.s02d-highlight { background: var(--s02d-bg-light); border-radius: 0.8rem; padding: 1rem; text-align: center; border: 1px solid rgba(0, 206, 209, 0.15); }
.s02d-highlight i, .s02d-highlight span.icon { font-size: 2.4rem; color: var(--s02d-primary); margin-bottom: 0.4rem; }
.s02d-highlight h4 { color: var(--s02d-secondary); font-size: 1.25rem; margin-bottom: 0.3rem; }
.s02d-highlight p { color: var(--s02d-text-light); font-size: 1.05rem; line-height: 1.4rem; }

/* ===== App download ===== */
.s02d-app-box { background: linear-gradient(135deg, var(--s02d-bg-light), var(--s02d-bg-dark)); border-radius: 1rem; padding: 1.3rem; text-align: center; border: 1px solid rgba(0, 255, 127, 0.25); }
.s02d-app-box h3 { color: var(--s02d-primary); font-size: 1.6rem; margin-bottom: 0.5rem; }
.s02d-app-box p { color: var(--s02d-text-light); font-size: 1.2rem; line-height: 1.7rem; margin-bottom: 1rem; }
.s02d-app-buttons { display: flex; gap: 0.6rem; justify-content: center; flex-wrap: wrap; }
.s02d-app-btn { background: var(--s02d-bg-dark); color: var(--s02d-primary); border: 1px solid var(--s02d-primary); border-radius: 0.8rem; padding: 0.7rem 1.2rem; font-size: 1.15rem; cursor: pointer; font-weight: 700; }

/* ===== Footer ===== */
.s02d-footer { background: var(--s02d-bg-dark); padding: 2rem 1.2rem 2rem; margin-top: 1.5rem; border-top: 2px solid var(--s02d-primary); }
.s02d-footer-brand { color: var(--s02d-text-light); font-size: 1.2rem; line-height: 1.7rem; margin-bottom: 1.2rem; }
.s02d-footer-brand strong { color: var(--s02d-primary); }
.s02d-footer-links { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.2rem; }
.s02d-footer-links a { color: var(--s02d-secondary); font-size: 1.05rem; padding: 0.4rem 0.8rem; background: var(--s02d-bg-light); border-radius: 1rem; }
.s02d-footer-copy { color: var(--s02d-text); font-size: 1.1rem; text-align: center; border-top: 1px solid rgba(178, 223, 219, 0.1); padding-top: 1rem; }

/* ===== Bottom nav ===== */
.s02d-bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: var(--s02d-bottom-nav-h);
  background: linear-gradient(180deg, var(--s02d-bg-light), var(--s02d-bg-dark));
  border-top: 2px solid var(--s02d-primary);
  display: flex; justify-content: space-around; align-items: center;
  z-index: 1000; box-shadow: 0 -2px 12px rgba(0,0,0,0.35);
}
.s02d-nav-btn {
  background: transparent; border: none; color: var(--s02d-text-light);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-width: 6rem; min-height: 5.6rem; flex: 1; cursor: pointer;
  font-size: 1rem; gap: 0.2rem; transition: color 0.2s ease, transform 0.15s ease;
}
.s02d-nav-btn i, .s02d-nav-btn span.material-symbols-outlined { font-size: 2.2rem; }
.s02d-nav-btn ion-icon { font-size: 2.4rem; }
.s02d-nav-btn:active { transform: scale(0.9); }
.s02d-nav-btn.s02d-active { color: var(--s02d-primary); }
.s02d-nav-btn.s02d-active i, .s02d-nav-btn.s02d-active span.material-symbols-outlined, .s02d-nav-btn.s02d-active ion-icon { text-shadow: 0 0 10px rgba(0, 255, 127, 0.6); }

/* ===== Responsive ===== */
@media (min-width: 769px) {
  .s02d-bottom-nav { display: none; }
  body { max-width: 430px; box-shadow: 0 0 30px rgba(0,0,0,0.4); }
  .s02d-main { padding-bottom: 2rem; }
}
@media (max-width: 768px) {
  .s02d-main { padding-bottom: calc(var(--s02d-bottom-nav-h) + 1rem); }
  .s02d-footer { padding-bottom: calc(var(--s02d-bottom-nav-h) + 1.5rem); }
}