/* =========================================================
 * gf66.homes - shared stylesheet
 * All custom classes use the "sf1b-" prefix
 * Palette: #228B22 | #1A1A1A | #32CD32 | #CCCCCC
 * Dark = background, light = text. Mobile-first, root 62.5%
 * ========================================================= */

:root {
  --sf1b-primary: #228B22;
  --sf1b-bg: #1A1A1A;
  --sf1b-accent: #32CD32;
  --sf1b-text: #CCCCCC;
  --sf1b-white: #ffffff;
  --sf1b-dark: #0e0e0e;
  --sf1b-card: #232323;
  --sf1b-card-2: #2c2c2c;
  --sf1b-border: #3a3a3a;
  --sf1b-shadow: 0 4px 16px rgba(0, 0, 0, 0.45);
  --sf1b-radius: 12px;
  --sf1b-radius-sm: 8px;
  --sf1b-header-h: 60px;
  --sf1b-bottom-h: 62px;
  --sf1b-max: 430px;
}

* { box-sizing: border-box; }
html { font-size: 62.5%; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; padding: 0;
  font-family: "Hind Siliguri", "Noto Sans Bengali", "Segoe UI", system-ui, sans-serif;
  background: var(--sf1b-bg); color: var(--sf1b-text);
  font-size: 1.5rem; line-height: 1.5; overflow-x: hidden;
}
body.sf1b-no-scroll { overflow: hidden; }
a { color: var(--sf1b-accent); text-decoration: none; }
a:hover { color: var(--sf1b-white); }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { color: var(--sf1b-white); margin: 0 0 1rem; line-height: 1.3; }
h1 { font-size: 2.2rem; }
h2 { font-size: 1.9rem; }
h3 { font-size: 1.7rem; }
h4 { font-size: 1.5rem; }
p { margin: 0 0 1rem; }

/* Layout helpers */
.sf1b-container { width: 100%; max-width: var(--sf1b-max); margin: 0 auto; padding: 0 1.2rem; }
.sf1b-wrapper { max-width: var(--sf1b-max); margin: 0 auto; padding: 1.5rem 1.2rem; }
.sf1b-section { padding: 2rem 0; }
.sf1b-section--alt { background: var(--sf1b-dark); }
.sf1b-section-title { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 1.2rem; font-size: 1.8rem; color: var(--sf1b-white); }
.sf1b-section-title i { color: var(--sf1b-accent); font-size: 2.2rem; }
.sf1b-lead { color: var(--sf1b-text); font-size: 1.5rem; }

/* Buttons */
.sf1b-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  border: 0; border-radius: var(--sf1b-radius-sm); padding: 1rem 1.6rem;
  font-size: 1.4rem; font-weight: 700; cursor: pointer; min-height: 44px;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.sf1b-btn:hover { transform: translateY(-1px); }
.sf1b-btn-primary { background: var(--sf1b-primary); color: var(--sf1b-white); }
.sf1b-btn-primary:hover { background: var(--sf1b-accent); color: var(--sf1b-dark); }
.sf1b-btn-accent { background: var(--sf1b-accent); color: var(--sf1b-dark); }
.sf1b-btn-accent:hover { background: var(--sf1b-white); }
.sf1b-btn-outline { background: transparent; color: var(--sf1b-white); border: 1px solid var(--sf1b-primary); }
.sf1b-btn-outline:hover { background: var(--sf1b-primary); color: var(--sf1b-white); }
.sf1b-btn-block { width: 100%; }
.sf1b-btn-header { padding: 0.7rem 1.1rem; font-size: 1.3rem; min-height: 40px; }

/* Header */
.sf1b-header {
  position: sticky; top: 0; z-index: 1000;
  background: linear-gradient(180deg, #145A14, #1A1A1A);
  border-bottom: 1px solid var(--sf1b-border);
  box-shadow: var(--sf1b-shadow);
}
.sf1b-header-inner {
  max-width: var(--sf1b-max); margin: 0 auto; height: var(--sf1b-header-h);
  display: flex; align-items: center; gap: 0.8rem; padding: 0 1rem;
}
.sf1b-logo { display: flex; align-items: center; gap: 0.6rem; flex: 1; min-width: 0; }
.sf1b-logo-img { width: 32px; height: 32px; border-radius: 6px; object-fit: cover; border: 1px solid var(--sf1b-accent); }
.sf1b-logo-text { font-size: 1.8rem; font-weight: 800; color: var(--sf1b-white); letter-spacing: 0.5px; }
.sf1b-logo-text span { color: var(--sf1b-accent); }
.sf1b-header-actions { display: flex; align-items: center; gap: 0.5rem; }
.sf1b-menu-toggle {
  background: transparent; border: 1px solid var(--sf1b-border); border-radius: 8px;
  width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
  color: var(--sf1b-white); cursor: pointer;
}
.sf1b-menu-toggle:hover { background: var(--sf1b-card); }
.sf1b-menu-toggle .sf1b-bar { display: block; width: 20px; height: 2px; background: var(--sf1b-white); position: relative; }
.sf1b-menu-toggle .sf1b-bar::before,
.sf1b-menu-toggle .sf1b-bar::after { content: ""; position: absolute; left: 0; width: 20px; height: 2px; background: var(--sf1b-white); transition: transform 0.25s ease, top 0.25s ease; }
.sf1b-menu-toggle .sf1b-bar::before { top: -6px; }
.sf1b-menu-toggle .sf1b-bar::after { top: 6px; }
.sf1b-menu-toggle.sf1b-is-active .sf1b-bar { background: transparent; }
.sf1b-menu-toggle.sf1b-is-active .sf1b-bar::before { top: 0; transform: rotate(45deg); }
.sf1b-menu-toggle.sf1b-is-active .sf1b-bar::after { top: 0; transform: rotate(-45deg); }

/* Mobile menu */
.sf1b-mobile-menu {
  position: fixed; top: 0; right: 0; width: 80%; max-width: 320px; height: 100%;
  background: var(--sf1b-dark); border-left: 1px solid var(--sf1b-border);
  transform: translateX(100%); transition: transform 0.3s ease; z-index: 9999;
  padding: 2rem 1.5rem; overflow-y: auto;
}
.sf1b-mobile-menu.sf1b-is-open { transform: translateX(0); }
.sf1b-mobile-menu h3 { color: var(--sf1b-accent); font-size: 1.6rem; margin-bottom: 1rem; border-bottom: 1px solid var(--sf1b-border); padding-bottom: 0.6rem; }
.sf1b-mobile-menu a, .sf1b-mobile-menu button {
  display: flex; align-items: center; gap: 0.8rem; color: var(--sf1b-text);
  padding: 1rem 0.5rem; width: 100%; background: none; border: 0;
  border-bottom: 1px solid var(--sf1b-card); font-size: 1.5rem; cursor: pointer; text-align: left;
}
.sf1b-mobile-menu a:hover, .sf1b-mobile-menu button:hover { color: var(--sf1b-accent); }
.sf1b-overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6); opacity: 0; pointer-events: none; transition: opacity 0.25s ease; z-index: 9998; }
.sf1b-overlay.sf1b-is-open { opacity: 1; pointer-events: auto; }

/* Carousel */
.sf1b-carousel { position: relative; overflow: hidden; border-radius: var(--sf1b-radius); box-shadow: var(--sf1b-shadow); margin-bottom: 1rem; }
.sf1b-carousel-viewport { overflow: hidden; }
.sf1b-carousel-track { display: flex; transition: transform 0.5s ease; }
.sf1b-carousel-slide { min-width: 100%; position: relative; }
.sf1b-carousel-slide img { width: 100%; height: 200px; object-fit: cover; }
.sf1b-carousel-slide a { display: block; }
.sf1b-carousel-cap { position: absolute; left: 0; right: 0; bottom: 0; background: linear-gradient(transparent, rgba(0, 0, 0, 0.85)); padding: 1.2rem 1rem 1rem; color: var(--sf1b-white); }
.sf1b-carousel-cap strong { color: var(--sf1b-accent); font-size: 1.6rem; }
.sf1b-carousel-cap span { display: block; font-size: 1.25rem; color: var(--sf1b-text); }
.sf1b-carousel-dots { position: absolute; bottom: 8px; left: 0; right: 0; display: flex; justify-content: center; gap: 6px; z-index: 2; }
.sf1b-carousel-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(204, 204, 204, 0.5); border: 0; padding: 0; cursor: pointer; }
.sf1b-carousel-dot.sf1b-is-active { background: var(--sf1b-accent); transform: scale(1.3); }

/* Hero */
.sf1b-hero { padding: 1.5rem 0; }
.sf1b-hero h1 { font-size: 2.1rem; margin-bottom: 0.6rem; }
.sf1b-hero h1 span { color: var(--sf1b-accent); }
.sf1b-hero-cta { display: flex; gap: 0.8rem; flex-wrap: wrap; margin-top: 1rem; }

/* Category filter chips */
.sf1b-filter-bar { display: flex; gap: 0.6rem; overflow-x: auto; padding: 0.5rem 0 1rem; -webkit-overflow-scrolling: touch; }
.sf1b-filter-chip { flex: 0 0 auto; background: var(--sf1b-card); border: 1px solid var(--sf1b-border); color: var(--sf1b-text); padding: 0.6rem 1.2rem; border-radius: 20px; font-size: 1.3rem; cursor: pointer; white-space: nowrap; }
.sf1b-filter-chip.sf1b-is-active { background: var(--sf1b-primary); color: var(--sf1b-white); border-color: var(--sf1b-accent); }

/* Games grid */
.sf1b-games-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; margin-bottom: 1.2rem; }
.sf1b-game-card { background: var(--sf1b-card); border-radius: var(--sf1b-radius-sm); overflow: hidden; border: 1px solid var(--sf1b-border); transition: transform 0.15s ease, box-shadow 0.2s ease; display: block; cursor: pointer; }
.sf1b-game-card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(50, 205, 50, 0.25); border-color: var(--sf1b-accent); }
.sf1b-game-img-wrap { position: relative; width: 100%; padding-top: 100%; background: var(--sf1b-card-2); }
.sf1b-game-img-wrap img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.sf1b-game-name { padding: 0.5rem 0.4rem; font-size: 1.2rem; color: var(--sf1b-text); text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 600; }
.sf1b-category-section { margin-bottom: 1.6rem; }
.sf1b-cat-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.8rem; }
.sf1b-cat-head h2 { display: flex; align-items: center; gap: 0.6rem; font-size: 1.7rem; margin: 0; }
.sf1b-cat-head h2 i { color: var(--sf1b-accent); }

/* Feature cards */
.sf1b-feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
.sf1b-feature-card { background: var(--sf1b-card); border: 1px solid var(--sf1b-border); border-radius: var(--sf1b-radius); padding: 1.2rem; }
.sf1b-feature-card .sf1b-ico { width: 42px; height: 42px; border-radius: 10px; background: rgba(50, 205, 50, 0.15); color: var(--sf1b-accent); display: flex; align-items: center; justify-content: center; font-size: 2rem; margin-bottom: 0.6rem; }
.sf1b-feature-card h3 { font-size: 1.45rem; margin-bottom: 0.4rem; }
.sf1b-feature-card p { font-size: 1.3rem; margin: 0; color: var(--sf1b-text); }

/* Info cards */
.sf1b-info-card { background: var(--sf1b-card); border: 1px solid var(--sf1b-border); border-left: 4px solid var(--sf1b-primary); border-radius: var(--sf1b-radius); padding: 1.2rem 1.4rem; margin-bottom: 1rem; }
.sf1b-info-card h3 { color: var(--sf1b-accent); font-size: 1.5rem; margin-bottom: 0.5rem; }
.sf1b-info-card p { font-size: 1.35rem; margin: 0; }

/* FAQ */
.sf1b-faq-item { background: var(--sf1b-card); border: 1px solid var(--sf1b-border); border-radius: var(--sf1b-radius-sm); padding: 1rem 1.2rem; margin-bottom: 0.8rem; }
.sf1b-faq-item h4 { color: var(--sf1b-accent); font-size: 1.4rem; margin-bottom: 0.4rem; }
.sf1b-faq-item p { font-size: 1.3rem; margin: 0; }

/* Testimonials */
.sf1b-testi-grid { display: grid; grid-template-columns: 1fr; gap: 0.8rem; }
.sf1b-testi { background: var(--sf1b-card); border: 1px solid var(--sf1b-border); border-radius: var(--sf1b-radius); padding: 1.1rem 1.2rem; }
.sf1b-testi-head { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 0.5rem; }
.sf1b-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--sf1b-primary); color: var(--sf1b-white); font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.sf1b-testi-name { color: var(--sf1b-white); font-weight: 600; font-size: 1.4rem; }
.sf1b-stars { color: #FFD700; font-size: 1.2rem; }
.sf1b-testi p { font-size: 1.3rem; margin: 0; color: var(--sf1b-text); }

/* Winners */
.sf1b-winners { background: linear-gradient(135deg, #145A14, #1A1A1A); border: 1px solid var(--sf1b-primary); border-radius: var(--sf1b-radius); padding: 1rem 1.2rem; }
.sf1b-winner-row { display: flex; justify-content: space-between; padding: 0.5rem 0; border-bottom: 1px dashed var(--sf1b-border); font-size: 1.3rem; }
.sf1b-winner-row:last-child { border-bottom: 0; }
.sf1b-winner-row strong { color: var(--sf1b-accent); }

/* Payment */
.sf1b-pay-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; }
.sf1b-pay-item { background: var(--sf1b-card); border: 1px solid var(--sf1b-border); border-radius: var(--sf1b-radius-sm); padding: 0.9rem 0.4rem; text-align: center; }
.sf1b-pay-item i { font-size: 2.4rem; color: var(--sf1b-accent); }
.sf1b-pay-item span { display: block; font-size: 1.2rem; margin-top: 0.3rem; color: var(--sf1b-text); }

/* CTA banner */
.sf1b-cta { background: linear-gradient(135deg, var(--sf1b-primary), #0f5a0f); border-radius: var(--sf1b-radius); padding: 1.6rem 1.4rem; text-align: center; border: 1px solid var(--sf1b-accent); }
.sf1b-cta h3 { color: var(--sf1b-white); font-size: 1.7rem; margin-bottom: 0.4rem; }
.sf1b-cta p { color: rgba(255, 255, 255, 0.9); font-size: 1.3rem; margin-bottom: 1rem; }

/* App download CTA */
.sf1b-app-cta { background: var(--sf1b-card); border: 1px solid var(--sf1b-border); border-radius: var(--sf1b-radius); padding: 1.4rem; display: flex; align-items: center; gap: 1rem; }
.sf1b-app-cta .sf1b-app-icon { width: 60px; height: 60px; border-radius: 12px; background: var(--sf1b-primary); display: flex; align-items: center; justify-content: center; font-size: 2.6rem; color: var(--sf1b-white); flex: 0 0 auto; }
.sf1b-app-cta h3 { margin-bottom: 0.2rem; font-size: 1.5rem; }
.sf1b-app-cta p { margin: 0 0 0.6rem; font-size: 1.25rem; }

/* Inline links */
.sf1b-inline-links { margin: 1rem 0; }
.sf1b-inline-links a { color: var(--sf1b-accent); text-decoration: underline; }

/* Footer */
.sf1b-footer { background: var(--sf1b-dark); border-top: 2px solid var(--sf1b-primary); padding: 2rem 0 calc(2rem + var(--sf1b-bottom-h)); }
.sf1b-footer .sf1b-brand { font-size: 1.6rem; color: var(--sf1b-white); font-weight: 700; margin-bottom: 0.5rem; }
.sf1b-footer .sf1b-brand span { color: var(--sf1b-accent); }
.sf1b-footer p { font-size: 1.3rem; color: var(--sf1b-text); }
.sf1b-footer-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.6rem; margin: 1rem 0; }
.sf1b-footer-grid .sf1b-btn { font-size: 1.25rem; padding: 0.8rem; }
.sf1b-footer-links { display: flex; flex-wrap: wrap; gap: 0.6rem 1rem; margin: 1rem 0; font-size: 1.25rem; }
.sf1b-footer-links a { color: var(--sf1b-text); }
.sf1b-footer-links a:hover { color: var(--sf1b-accent); }
.sf1b-copy { border-top: 1px solid var(--sf1b-border); margin-top: 1rem; padding-top: 1rem; font-size: 1.2rem; color: var(--sf1b-text); }

/* Mobile bottom nav */
.sf1b-bottom-nav { position: fixed; bottom: 0; left: 0; right: 0; height: var(--sf1b-bottom-h); background: linear-gradient(180deg, #1c1c1c, #0d0d0d); border-top: 1px solid var(--sf1b-border); display: flex; justify-content: space-around; align-items: center; z-index: 1000; box-shadow: 0 -4px 14px rgba(0, 0, 0, 0.5); }
.sf1b-bottom-nav-item { flex: 1; min-width: 60px; min-height: var(--sf1b-bottom-h); background: none; border: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: var(--sf1b-text); cursor: pointer; position: relative; padding: 0; text-decoration: none; }
.sf1b-bottom-nav-item i { font-size: 22px; color: var(--sf1b-text); transition: transform 0.18s ease, color 0.18s ease; }
.sf1b-bottom-nav-item span { font-size: 11px; color: var(--sf1b-text); }
.sf1b-bottom-nav-item:hover i, .sf1b-bottom-nav-item.sf1b-is-active i { transform: translateY(-2px) scale(1.12); color: var(--sf1b-accent); }
.sf1b-bottom-nav-item:hover span, .sf1b-bottom-nav-item.sf1b-is-active span { color: var(--sf1b-white); }
.sf1b-bottom-nav-item.sf1b-is-active::before { content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 32px; height: 3px; border-radius: 0 0 4px 4px; background: var(--sf1b-accent); }

/* Desktop */
@media (min-width: 769px) {
  body { background: #121212; }
  .sf1b-header-inner, .sf1b-container, .sf1b-wrapper { max-width: 960px; }
  .sf1b-games-grid { grid-template-columns: repeat(6, 1fr); }
  .sf1b-feature-grid { grid-template-columns: repeat(4, 1fr); }
  .sf1b-testi-grid { grid-template-columns: repeat(2, 1fr); }
  .sf1b-pay-grid { grid-template-columns: repeat(6, 1fr); }
  .sf1b-footer-grid { grid-template-columns: repeat(4, 1fr); }
  .sf1b-carousel-slide img { height: 320px; }
  .sf1b-bottom-nav { display: none; }
  .sf1b-footer { padding-bottom: 2rem; }
  main { padding-bottom: 0 !important; }
  .sf1b-menu-toggle { display: none; }
}

/* Mobile main padding so bottom nav never hides content */
@media (max-width: 768px) { main { padding-bottom: 80px; } }

/* Touch target safety */
button, a.sf1b-btn, .sf1b-game-card, .sf1b-bottom-nav-item { min-height: 44px; }