/* ============================================================
   gk9.homes - Core theme stylesheet (basefiles)
   Prefix: gbdc-
   Palette: #C0C0C0 | #ECF0F1 | #95A5A6 | #696969 | #1E1E1E
   Mobile-first, max-width 430px
   ============================================================ */

:root {
  --gbdc-primary: #C0C0C0;
  --gbdc-light: #ECF0F1;
  --gbdc-muted: #95A5A6;
  --gbdc-dark: #696969;
  --gbdc-bg: #1E1E1E;
  --gbdc-bg-soft: #2a2a2a;
  --gbdc-bg-card: #262626;
  --gbdc-accent: #d4af37;
  --gbdc-accent-2: #e74c3c;
  --gbdc-text: #ECF0F1;
  --gbdc-text-dim: #b5bcc0;
  --gbdc-border: #3a3a3a;
  --gbdc-radius: 0.8rem;
  --gbdc-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
  --gbdc-header-h: 5.6rem;
  --gbdc-bottomnav-h: 6.2rem;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 62.5%;
}

body {
  font-family: "Hind Siliguri", "Noto Sans Bengali", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--gbdc-bg);
  color: var(--gbdc-text);
  line-height: 1.5rem;
  font-size: 1.5rem;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--gbdc-primary);
  text-decoration: none;
}

/* ============ Layout ============ */
.gbdc-wrapper {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  position: relative;
  min-height: 100vh;
  background: var(--gbdc-bg);
}

.gbdc-container {
  width: 100%;
  padding: 0 1.2rem;
}

main.gbdc-main {
  padding-top: var(--gbdc-header-h);
  padding-bottom: calc(var(--gbdc-bottomnav-h) + 1.2rem);
}

/* ============ Header ============ */
.gbdc-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(180deg, #1E1E1E 0%, #232323 100%);
  border-bottom: 1px solid var(--gbdc-border);
  box-shadow: var(--gbdc-shadow);
}

.gbdc-header-inner {
  max-width: 430px;
  margin: 0 auto;
  height: var(--gbdc-header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.2rem;
  gap: 0.8rem;
}

.gbdc-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--gbdc-light);
  font-weight: 700;
  font-size: 1.7rem;
  letter-spacing: 0.5px;
}

.gbdc-logo img {
  width: 3rem;
  height: 3rem;
  border-radius: 0.6rem;
  object-fit: cover;
}

.gbdc-logo .gbdc-logo-mark {
  width: 3rem;
  height: 3rem;
  border-radius: 0.6rem;
  background: linear-gradient(135deg, #d4af37, #C0C0C0);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1E1E1E;
  font-weight: 800;
  font-size: 1.4rem;
}

.gbdc-header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.gbdc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 3.4rem;
  padding: 0 1.2rem;
  border-radius: 2rem;
  font-weight: 700;
  font-size: 1.3rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
  white-space: nowrap;
}

.gbdc-btn:active {
  transform: scale(0.96);
}

.gbdc-btn-login {
  background: transparent;
  color: var(--gbdc-light);
  border: 1px solid var(--gbdc-muted);
}

.gbdc-btn-register {
  background: linear-gradient(135deg, #d4af37, #C0C0C0);
  color: #1E1E1E;
  box-shadow: 0 2px 8px rgba(212, 175, 55, 0.35);
}

.gbdc-menu-btn {
  width: 3.4rem;
  height: 3.4rem;
  border-radius: 0.6rem;
  background: var(--gbdc-bg-soft);
  color: var(--gbdc-light);
  border: 1px solid var(--gbdc-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.8rem;
}

/* ============ Mobile Menu Drawer ============ */
.gbdc-menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease;
}

.gbdc-menu-backdrop.gbdc-open {
  opacity: 1;
  visibility: visible;
}

.gbdc-mobile-menu {
  position: fixed;
  top: 0;
  right: -80%;
  width: 78%;
  max-width: 340px;
  height: 100vh;
  background: #1b1b1b;
  z-index: 9999;
  transition: right 0.3s ease;
  padding: 1.6rem 1.2rem;
  overflow-y: auto;
  border-left: 1px solid var(--gbdc-border);
}

.gbdc-mobile-menu.gbdc-open {
  right: 0;
}

.gbdc-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.6rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gbdc-border);
}

.gbdc-menu-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--gbdc-light);
}

.gbdc-menu-close {
  width: 3rem;
  height: 3rem;
  border-radius: 0.5rem;
  background: var(--gbdc-bg-soft);
  color: var(--gbdc-light);
  border: 1px solid var(--gbdc-border);
  cursor: pointer;
  font-size: 1.6rem;
}

.gbdc-menu-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.gbdc-menu-list a {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 0.8rem;
  border-radius: 0.6rem;
  color: var(--gbdc-text);
  font-size: 1.4rem;
  transition: background 0.2s ease;
}

.gbdc-menu-list a:hover,
.gbdc-menu-list a:active {
  background: var(--gbdc-bg-soft);
}

.gbdc-menu-list a i,
.gbdc-menu-list a .material-icons-outlined {
  color: var(--gbdc-primary);
  font-size: 1.8rem;
}

.gbdc-menu-cta {
  margin-top: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.gbdc-menu-cta .gbdc-btn {
  width: 100%;
}

/* ============ Hero / Carousel ============ */
.gbdc-hero {
  padding: 1.2rem 0 0.4rem;
}

.gbdc-carousel {
  position: relative;
  border-radius: var(--gbdc-radius);
  overflow: hidden;
  box-shadow: var(--gbdc-shadow);
  background: var(--gbdc-bg-soft);
}

.gbdc-carousel-track {
  display: flex;
  transition: transform 0.45s ease;
}

.gbdc-slide {
  min-width: 100%;
  position: relative;
  cursor: pointer;
}

.gbdc-slide img {
  width: 100%;
  height: 17rem;
  object-fit: cover;
  display: block;
}

.gbdc-slide-overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1rem 1.2rem;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0) 100%);
  color: #fff;
}

.gbdc-slide-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.gbdc-slide-sub {
  font-size: 1.2rem;
  color: var(--gbdc-primary);
}

.gbdc-carousel-dots {
  position: absolute;
  bottom: 0.6rem;
  right: 1rem;
  display: flex;
  gap: 0.4rem;
}

.gbdc-carousel-dots span {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
}

.gbdc-carousel-dots span.gbdc-active {
  background: var(--gbdc-accent);
}

/* ============ Section titles ============ */
.gbdc-section {
  padding: 1.6rem 0;
}

.gbdc-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.gbdc-section-title {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--gbdc-light);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.gbdc-section-title i,
.gbdc-section-title .material-icons-outlined {
  color: var(--gbdc-accent);
  font-size: 1.9rem;
}

.gbdc-section-link {
  font-size: 1.2rem;
  color: var(--gbdc-primary);
}

/* ============ Category tabs (static, non-switch) ============ */
.gbdc-cat-block {
  margin-bottom: 1.4rem;
}

.gbdc-cat-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.8rem;
}

.gbdc-cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.8rem;
  border-radius: 1.4rem;
  background: linear-gradient(135deg, #696969, #1E1E1E);
  color: var(--gbdc-primary);
  font-size: 1.2rem;
  font-weight: 700;
  border: 1px solid var(--gbdc-border);
}

.gbdc-cat-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gbdc-light);
}

/* ============ Game grid ============ */
.gbdc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}

.gbdc-game-card {
  background: var(--gbdc-bg-card);
  border: 1px solid var(--gbdc-border);
  border-radius: 0.6rem;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
}

.gbdc-game-card:active {
  transform: scale(0.96);
  border-color: var(--gbdc-accent);
}

.gbdc-game-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #111;
}

.gbdc-game-name {
  padding: 0.5rem 0.4rem;
  font-size: 1.1rem;
  color: var(--gbdc-text-dim);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: 2.6rem;
  line-height: 1.6rem;
}

/* ============ Info / content cards ============ */
.gbdc-card {
  background: var(--gbdc-bg-card);
  border: 1px solid var(--gbdc-border);
  border-radius: var(--gbdc-radius);
  padding: 1.4rem;
  margin-bottom: 1.2rem;
  box-shadow: var(--gbdc-shadow);
}

.gbdc-card h2 {
  font-size: 1.7rem;
  color: var(--gbdc-light);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.gbdc-card h2 i,
.gbdc-card h2 .material-icons-outlined {
  color: var(--gbdc-accent);
  font-size: 1.9rem;
}

.gbdc-card h3 {
  font-size: 1.4rem;
  color: var(--gbdc-primary);
  margin: 1rem 0 0.4rem;
}

.gbdc-card p {
  font-size: 1.3rem;
  color: var(--gbdc-text-dim);
  margin-bottom: 0.7rem;
  line-height: 1.7rem;
}

.gbdc-card ul {
  list-style: none;
  padding: 0;
  margin: 0.4rem 0;
}

.gbdc-card ul li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
  color: var(--gbdc-text-dim);
  line-height: 1.6rem;
}

.gbdc-card ul li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 0;
  color: var(--gbdc-accent);
  font-size: 1.1rem;
}

/* ============ Promo link styles ============ */
.gbdc-promo-link {
  color: var(--gbdc-accent);
  font-weight: 700;
  cursor: pointer;
  border-bottom: 1px dashed var(--gbdc-accent);
}

.gbdc-promo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #d4af37, #C0C0C0);
  color: #1E1E1E;
  font-weight: 700;
  padding: 0.9rem 1.6rem;
  border-radius: 2rem;
  border: none;
  cursor: pointer;
  font-size: 1.4rem;
  transition: transform 0.15s ease;
  min-height: 3.8rem;
}

.gbdc-promo-btn:active {
  transform: scale(0.96);
}

.gbdc-promo-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0.8rem 0;
}

/* ============ Features grid ============ */
.gbdc-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.gbdc-feature {
  background: var(--gbdc-bg-soft);
  border: 1px solid var(--gbdc-border);
  border-radius: 0.6rem;
  padding: 1rem;
  text-align: center;
}

.gbdc-feature .material-icons-outlined,
.gbdc-feature i {
  font-size: 2.4rem;
  color: var(--gbdc-accent);
  margin-bottom: 0.4rem;
}

.gbdc-feature h3 {
  font-size: 1.3rem;
  color: var(--gbdc-light);
  margin-bottom: 0.3rem;
}

.gbdc-feature p {
  font-size: 1.15rem;
  color: var(--gbdc-text-dim);
  line-height: 1.5rem;
}

/* ============ Testimonials ============ */
.gbdc-testimonials {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
}

.gbdc-testimonial {
  background: var(--gbdc-bg-soft);
  border-left: 3px solid var(--gbdc-accent);
  border-radius: 0.6rem;
  padding: 1rem 1.2rem;
}

.gbdc-testimonial p {
  font-size: 1.25rem;
  color: var(--gbdc-text-dim);
  font-style: italic;
  margin-bottom: 0.5rem;
  line-height: 1.6rem;
}

.gbdc-testimonial .gbdc-author {
  font-size: 1.15rem;
  color: var(--gbdc-primary);
  font-weight: 700;
}

/* ============ Winners showcase ============ */
.gbdc-winners {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
}

.gbdc-winner {
  background: var(--gbdc-bg-soft);
  border: 1px solid var(--gbdc-border);
  border-radius: 0.6rem;
  padding: 0.7rem 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.gbdc-winner .material-icons-outlined,
.gbdc-winner i {
  color: var(--gbdc-accent);
  font-size: 1.8rem;
}

.gbdc-winner .gbdc-winner-info {
  flex: 1;
  min-width: 0;
}

.gbdc-winner .gbdc-winner-name {
  font-size: 1.2rem;
  color: var(--gbdc-light);
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gbdc-winner .gbdc-winner-amount {
  font-size: 1.1rem;
  color: var(--gbdc-accent);
  font-weight: 700;
}

/* ============ Payment methods ============ */
.gbdc-payments {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}

.gbdc-payment {
  background: var(--gbdc-bg-soft);
  border: 1px solid var(--gbdc-border);
  border-radius: 0.6rem;
  padding: 0.8rem 0.4rem;
  text-align: center;
  font-size: 1.1rem;
  color: var(--gbdc-text-dim);
}

.gbdc-payment i,
.gbdc-payment .material-icons-outlined {
  font-size: 1.9rem;
  color: var(--gbdc-primary);
  margin-bottom: 0.3rem;
}

/* ============ App download CTA ============ */
.gbdc-app-cta {
  background: linear-gradient(135deg, #2a2a2a, #1E1E1E);
  border: 1px solid var(--gbdc-accent);
  border-radius: var(--gbdc-radius);
  padding: 1.4rem;
  text-align: center;
  margin-bottom: 1.2rem;
}

.gbdc-app-cta h2 {
  justify-content: center;
  color: var(--gbdc-accent);
}

.gbdc-app-cta p {
  color: var(--gbdc-text-dim);
  margin-bottom: 1rem;
}

/* ============ Footer ============ */
.gbdc-footer {
  background: #161616;
  border-top: 1px solid var(--gbdc-border);
  padding: 2rem 0 1.5rem;
  margin-top: 1.6rem;
}

.gbdc-footer-brand {
  font-size: 1.4rem;
  color: var(--gbdc-text-dim);
  line-height: 1.7rem;
  margin-bottom: 1rem;
}

.gbdc-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.gbdc-footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem 0.9rem;
  border-radius: 1.4rem;
  background: var(--gbdc-bg-soft);
  border: 1px solid var(--gbdc-border);
  color: var(--gbdc-text);
  font-size: 1.15rem;
}

.gbdc-footer-links a:hover {
  border-color: var(--gbdc-accent);
  color: var(--gbdc-accent);
}

.gbdc-footer-copy {
  font-size: 1.1rem;
  color: var(--gbdc-muted);
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid var(--gbdc-border);
}

/* ============ Mobile bottom nav ============ */
.gbdc-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(180deg, #232323 0%, #1a1a1a 100%);
  border-top: 1px solid var(--gbdc-border);
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: var(--gbdc-bottomnav-h);
}

.gbdc-bottom-nav-inner {
  max-width: 430px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 100%;
}

.gbdc-nav-btn {
  flex: 1;
  min-width: 60px;
  min-height: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  background: transparent;
  border: none;
  color: var(--gbdc-muted);
  cursor: pointer;
  transition: color 0.2s ease, transform 0.15s ease;
  padding: 0.4rem 0;
}

.gbdc-nav-btn:active {
  transform: scale(0.92);
}

.gbdc-nav-btn.gbdc-active {
  color: var(--gbdc-accent);
}

.gbdc-nav-btn i,
.gbdc-nav-btn .material-icons-outlined,
.gbdc-nav-btn .ionicon {
  font-size: 2.2rem;
}

.gbdc-nav-btn .gbdc-nav-label {
  font-size: 1.05rem;
  font-weight: 600;
}

.gbdc-nav-btn.gbdc-promo {
  color: var(--gbdc-primary);
}

.gbdc-nav-btn.gbdc-promo .gbdc-nav-label {
  color: var(--gbdc-accent);
}

/* ============ Responsive ============ */
@media (min-width: 769px) {
  .gbdc-bottom-nav {
    display: none;
  }

  main.gbdc-main {
    padding-bottom: 2rem;
  }

  .gbdc-wrapper {
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.4);
  }
}

@media (max-width: 768px) {
  main.gbdc-main {
    padding-bottom: calc(var(--gbdc-bottomnav-h) + 1.2rem);
  }
}

@media (max-width: 360px) {
  .gbdc-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gbdc-features,
  .gbdc-winners,
  .gbdc-payments {
    grid-template-columns: repeat(2, 1fr);
  }
}