/* ==========================================================================
   Buenas mobile-first stylesheet
   All custom classes use the sb7a- prefix.
   Palette: #2E4057 (deep slate) | #B0E0E6 (powder blue) | #98FB98 (mint)
            #32CD32 (lime green) | #00FF7F (spring green)
   Dark tones are backgrounds; light tones are text.
   ========================================================================== */

:root {
  --sb7a-primary: #2E4057;
  --sb7a-secondary: #1b2a3a;
  --sb7a-accent: #00FF7F;
  --sb7a-accent-2: #32CD32;
  --sb7a-accent-3: #98FB98;
  --sb7a-sky: #B0E0E6;
  --sb7a-text: #EAF7F2;
  --sb7a-muted: #9fb3c4;
  --sb7a-bg: #16222f;
  --sb7a-card: #213544;
  --sb7a-card-2: #27414f;
  --sb7a-border: rgba(176, 224, 230, 0.18);
  --sb7a-gold: #FFD86b;
  --sb7a-radius: 1.2rem;
  --sb7a-shadow: 0 1rem 2.4rem rgba(0, 0, 0, 0.35);
  --sb7a-header-h: 5.6rem;
  --sb7a-bnav-h: 6.2rem;
  font-size: 62.5%;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  max-width: 430px;
  margin-left: auto;
  margin-right: auto;
  background: var(--sb7a-bg);
  color: var(--sb7a-text);
  font-family: "Segoe UI", "Helvetica Neue", Arial, system-ui, sans-serif;
  font-size: 1.5rem;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

img { max-width: 100%; display: block; }
a { color: var(--sb7a-accent); text-decoration: none; }

/* ============================== Layout ============================== */
.sb7a-wrapper { width: 100%; overflow-x: hidden; }
.sb7a-container {
  width: 100%;
  padding: 0 1.2rem;
}
main.sb7a-main {
  padding-top: calc(var(--sb7a-header-h) + 1rem);
  padding-bottom: calc(var(--sb7a-bnav-h) + 2rem);
}

/* ============================== Header ============================== */
.sb7a-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  max-width: 430px;
  margin: 0 auto;
  height: var(--sb7a-header-h);
  background: linear-gradient(135deg, var(--sb7a-primary), var(--sb7a-secondary));
  border-bottom: 1px solid var(--sb7a-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  z-index: 1000;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}
.sb7a-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--sb7a-sky);
  font-weight: 700;
  font-size: 1.9rem;
  letter-spacing: 0.03em;
}
.sb7a-brand img {
  width: 2.8rem; height: 2.8rem;
  border-radius: 0.6rem;
  box-shadow: 0 0 0 2px rgba(0, 255, 127, 0.4);
}
.sb7a-brand small {
  display: block;
  font-size: 1.05rem;
  color: var(--sb7a-accent);
  font-weight: 500;
}
.sb7a-header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.sb7a-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 3.6rem;
  padding: 0 1.2rem;
  border-radius: 2rem;
  font-weight: 700;
  font-size: 1.35rem;
  border: 0;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
  white-space: nowrap;
}
.sb7a-btn:active { transform: scale(0.94); }
.sb7a-btn-login {
  background: transparent;
  color: var(--sb7a-sky);
  border: 1px solid var(--sb7a-sky);
}
.sb7a-btn-register {
  background: linear-gradient(135deg, var(--sb7a-accent), var(--sb7a-accent-2));
  color: #082014;
  box-shadow: 0 4px 14px rgba(0, 255, 127, 0.4);
}
.sb7a-menu-btn {
  background: transparent;
  border: 0;
  color: var(--sb7a-sky);
  font-size: 1.9rem;
  width: 3.6rem;
  height: 3.6rem;
  border-radius: 0.8rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Expandable navigation menu */
.sb7a-mobile-menu {
  position: fixed;
  top: var(--sb7a-header-h);
  left: 0; right: 0;
  max-width: 430px;
  margin: 0 auto;
  background: var(--sb7a-primary);
  border-bottom: 1px solid var(--sb7a-border);
  padding: 1rem 1.2rem 1.4rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s ease, padding 0.28s ease;
  z-index: 9999;
}
.sb7a-mobile-menu.sb7a-menu-open {
  max-height: 60rem;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.45);
}
.sb7a-mobile-menu a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--sb7a-card);
  color: var(--sb7a-text);
  padding: 1rem 1.1rem;
  border-radius: 0.9rem;
  font-size: 1.35rem;
  border: 1px solid var(--sb7a-border);
}
.sb7a-mobile-menu a:active { background: var(--sb7a-card-2); }

/* ============================== Carousel ============================== */
.sb7a-carousel {
  position: relative;
  width: 100%;
  border-radius: var(--sb7a-radius);
  overflow: hidden;
  box-shadow: var(--sb7a-shadow);
  background: var(--sb7a-card);
  margin: 1.2rem 0;
}
.sb7a-carousel-track { position: relative; width: 100%; aspect-ratio: 16 / 9; }
.sb7a-carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
  cursor: pointer;
}
.sb7a-carousel-slide.sb7a-slide-active { opacity: 1; }
.sb7a-carousel-slide img {
  width: 100%; height: 100%; object-fit: cover;
}
.sb7a-carousel-cap {
  position: absolute;
  left: 1rem; bottom: 1rem;
  background: rgba(22, 34, 47, 0.78);
  padding: 0.5rem 1rem;
  border-radius: 0.8rem;
  color: var(--sb7a-accent);
  font-weight: 700;
  font-size: 1.3rem;
}
.sb7a-carousel-dots {
  position: absolute;
  right: 1rem; top: 1rem;
  display: flex; gap: 0.4rem;
}
.sb7a-carousel-dot {
  width: 0.7rem; height: 0.7rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
}
.sb7a-carousel-dot.sb7a-dot-active { background: var(--sb7a-accent); }

/* ============================== Sections ============================== */
.sb7a-section {
  margin: 1.6rem 0;
  padding: 1.4rem 1.2rem;
  background: linear-gradient(160deg, var(--sb7a-card), var(--sb7a-card-2));
  border: 1px solid var(--sb7a-border);
  border-radius: var(--sb7a-radius);
}
.sb7a-section h2 {
  font-size: 1.8rem;
  margin: 0 0 0.8rem;
  color: var(--sb7a-sky);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.sb7a-section h3 {
  font-size: 1.45rem;
  color: var(--sb7a-accent-3);
  margin: 1rem 0 0.4rem;
}
.sb7a-section p { margin: 0.4rem 0; color: var(--sb7a-text); }
.sb7a-h1 {
  font-size: 2rem;
  line-height: 1.3;
  margin: 1.4rem 0 0.6rem;
  color: var(--sb7a-sky);
  text-align: center;
}
.sb7a-subtitle {
  text-align: center;
  color: var(--sb7a-muted);
  font-size: 1.3rem;
  margin: 0 0 0.6rem;
}

/* ============================== Game grid ============================== */
.sb7a-cat-block { margin-bottom: 1.6rem; }
.sb7a-cat-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.4rem;
  color: var(--sb7a-accent);
  font-size: 1.5rem;
  font-weight: 700;
  border-bottom: 1px dashed var(--sb7a-border);
  margin-bottom: 0.8rem;
  text-transform: capitalize;
}
.sb7a-cat-title .material-icons,
.sb7a-cat-title i { font-size: 1.7rem; }
.sb7a-cat-dim { opacity: 0.35; }

.sb7a-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}
.sb7a-game {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
  background: var(--sb7a-card);
  border-radius: 0.9rem;
  padding: 0.5rem;
  border: 1px solid var(--sb7a-border);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.sb7a-game:active { transform: scale(0.95); }
.sb7a-game img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 0.7rem;
  background: #0e1822;
}
.sb7a-game-name {
  font-size: 1.05rem;
  color: var(--sb7a-text);
  margin-top: 0.3rem;
  line-height: 1.2;
  height: 2.6rem;
  overflow: hidden;
}

/* ============================== Promo blocks ============================== */
.sb7a-promo {
  background: linear-gradient(135deg, rgba(0, 255, 127, 0.18), rgba(50, 205, 50, 0.08));
  border: 1px solid rgba(0, 255, 127, 0.4);
  border-radius: var(--sb7a-radius);
  padding: 1.2rem;
  text-align: center;
  margin: 1.4rem 0;
}
.sb7a-promo .sb7a-btn {
  margin-top: 0.8rem;
}
.sb7a-link-text {
  color: var(--sb7a-accent);
  font-weight: 700;
  border-bottom: 1px dotted var(--sb7a-accent);
}
.sb7a-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin: 1rem 0;
}
.sb7a-cta-row .sb7a-btn { flex: 1 1 12rem; }

/* RTP table */
.sb7a-rtp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1.25rem;
  margin-top: 0.6rem;
}
.sb7a-rtp-table th, .sb7a-rtp-table td {
  border-bottom: 1px solid var(--sb7a-border);
  padding: 0.5rem 0.4rem;
  text-align: left;
}
.sb7a-rtp-table th { color: var(--sb7a-sky); }
.sb7a-rtp-table td.sb7a-rt-val { color: var(--sb7a-accent); font-weight: 700; }

/* Feature / step lists */
.sb7a-list { padding-left: 1.2rem; margin: 0.4rem 0; }
.sb7a-list li { margin-bottom: 0.4rem; }
.sb7a-steps {
  list-style: none;
  counter-reset: step;
  padding: 0;
}
.sb7a-steps li {
  counter-increment: step;
  position: relative;
  padding: 0.6rem 0.6rem 0.6rem 3.4rem;
  margin-bottom: 0.6rem;
  background: var(--sb7a-card-2);
  border-radius: 0.8rem;
  border: 1px solid var(--sb7a-border);
}
.sb7a-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0.7rem; top: 0.55rem;
  width: 2.2rem; height: 2.2rem;
  background: var(--sb7a-accent);
  color: #082014;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
}

/* Testimonials */
.sb7a-testi {
  background: var(--sb7a-card-2);
  border-left: 3px solid var(--sb7a-accent);
  border-radius: 0.6rem;
  padding: 0.8rem 1rem;
  margin-bottom: 0.7rem;
}
.sb7a-testi span { color: var(--sb7a-gold); font-weight: 700; }

/* Payment chips */
.sb7a-chips {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  margin-top: 0.6rem;
}
.sb7a-chip {
  background: var(--sb7a-card-2);
  color: var(--sb7a-text);
  border: 1px solid var(--sb7a-border);
  padding: 0.4rem 0.9rem;
  border-radius: 1.4rem;
  font-size: 1.2rem;
}

/* Winners */
.sb7a-winner {
  display: flex; justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--sb7a-border);
  font-size: 1.25rem;
}
.sb7a-winner b { color: var(--sb7a-gold); }

/* App download CTA */
.sb7a-app-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem;
  background: rgba(176, 224, 230, 0.08);
  border-radius: var(--sb7a-radius);
  border: 1px solid var(--sb7a-border);
}

/* ============================== Footer ============================== */
.sb7a-footer {
  margin-top: 2rem;
  padding: 1.8rem 1.2rem calc(var(--sb7a-bnav-h) + 1.4rem);
  background: var(--sb7a-secondary);
  border-top: 1px solid var(--sb7a-border);
  color: var(--sb7a-muted);
  font-size: 1.2rem;
}
.sb7a-footer h4 {
  color: var(--sb7a-sky);
  margin: 0.8rem 0 0.4rem;
  font-size: 1.35rem;
}
.sb7a-footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.4rem 0.8rem;
  margin: 0.6rem 0;
}
.sb7a-footer-links a { color: var(--sb7a-accent-3); font-size: 1.2rem; }
.sb7a-footer-copy { text-align: center; color: var(--sb7a-muted); margin-top: 1rem; }

/* ============================== Bottom nav ============================== */
.sb7a-bnav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  max-width: 430px;
  margin: 0 auto;
  height: var(--sb7a-bnav-h);
  background: linear-gradient(180deg, var(--sb7a-primary), #11202d);
  border-top: 1px solid var(--sb7a-border);
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  z-index: 1000;
  box-shadow: 0 -6px 18px rgba(0, 0, 0, 0.4);
}
.sb7a-bnav-btn {
  flex: 1;
  background: transparent;
  border: 0;
  color: var(--sb7a-sky);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  min-width: 60px;
  min-height: 60px;
  padding: 0.3rem 0.1rem;
  cursor: pointer;
  transition: color 0.2s ease, transform 0.18s ease;
}
.sb7a-bnav-btn:active { transform: scale(0.9); }
.sb7a-bnav-btn i,
.sb7a-bnav-btn .material-icons,
.sb7a-bnav-btn ion-icon { font-size: 2.2rem; }
.sb7a-bnav-btn .bi { font-size: 2.1rem; }
.sb7a-bnav-btn span { font-size: 1.05rem; line-height: 1; }
.sb7a-bnav-current { color: var(--sb7a-accent); }
.sb7a-bnav-promo {
  color: var(--sb7a-gold);
  position: relative;
}
.sb7a-bnav-promo::after {
  content: "HOT";
  position: absolute;
  top: 0.2rem; right: 0.6rem;
  background: #ff4d4d;
  color: #fff;
  font-size: 0.85rem;
  padding: 0 0.3rem;
  border-radius: 0.5rem;
}

/* ============================== Desktop ============================== */
@media (min-width: 769px) {
  .sb7a-bnav { display: none; }
  main.sb7a-main { padding-bottom: 3rem; }
  .sb7a-footer { padding-bottom: 2rem; }
}