/* dt66.homes - Core base stylesheet
   All custom classes use the pgc4- prefix for namespace isolation.
   Comments in English only. Mobile-first responsive design (max 430px). */

:root {
  --pgc4-primary: #191970;
  --pgc4-bg: #2D2D2D;
  --pgc4-text: #AFEEEE;
  --pgc4-accent: #FFD700;
  --pgc4-card-bg: #1f1f3a;
  --pgc4-card-border: #3a3a5c;
  --pgc4-muted: #b8c5d6;
  --pgc4-danger: #ff5b6e;
  --pgc4-success: #4fd1a8;
  --pgc4-radius: 1.2rem;
  --pgc4-shadow: 0 0.4rem 1.5rem rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 62.5%; }

body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  background: linear-gradient(160deg, var(--pgc4-bg) 0%, #14142b 100%);
  color: var(--pgc4-text);
  line-height: 1.5rem;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--pgc4-accent); text-decoration: none; }

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

/* Layout containers */
.pgc4-wrapper {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  position: relative;
}

.pgc4-container {
  padding: 1.2rem 1.4rem;
}

/* Header */
.pgc4-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  max-width: 430px;
  margin: 0 auto;
  z-index: 1000;
  background: linear-gradient(90deg, var(--pgc4-primary), #2D2D2D);
  border-bottom: 0.2rem solid var(--pgc4-accent);
  box-shadow: var(--pgc4-shadow);
}

.pgc4-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1rem;
}

.pgc4-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--pgc4-text);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 0.05rem;
}

.pgc4-logo img {
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 0.6rem;
}

.pgc4-header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.pgc4-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 4rem;
  padding: 0 1rem;
  font-size: 1.3rem;
  font-weight: 700;
  border-radius: 2rem;
  border: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.pgc4-btn:active { transform: scale(0.95); }

.pgc4-btn-register {
  background: linear-gradient(90deg, var(--pgc4-accent), #ffba33);
  color: #1a1a2e;
  box-shadow: 0 0.3rem 0 rgba(0,0,0,0.3);
}

.pgc4-btn-login {
  background: transparent;
  color: var(--pgc4-text);
  border: 0.15rem solid var(--pgc4-text);
}

.pgc4-menu-toggle {
  background: transparent;
  border: none;
  color: var(--pgc4-text);
  font-size: 2rem;
  cursor: pointer;
  padding: 0 0.4rem;
}

/* Mobile slide menu */
.pgc4-mobile-menu {
  background: #14142b;
  border-bottom: 0.2rem solid var(--pgc4-accent);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  width: 100%;
}

.pgc4-menu-open { max-height: 30rem; }
.pgc4-menu-closed { max-height: 0; }

.pgc4-mobile-menu ul { list-style: none; padding: 0.6rem 1rem; }
.pgc4-mobile-menu li { margin: 0.3rem 0; }
.pgc4-mobile-menu a {
  display: block;
  padding: 0.9rem 0.8rem;
  color: var(--pgc4-text);
  font-size: 1.25rem;
  border-radius: 0.8rem;
  transition: background 0.2s;
}
.pgc4-mobile-menu a:hover { background: rgba(175, 238, 238, 0.08); }

/* Hero / Carousel */
.pgc4-hero {
  margin-top: 6.4rem;
  padding: 0 1rem;
}

.pgc4-carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--pgc4-radius);
  box-shadow: var(--pgc4-shadow);
}

.pgc4-carousel-track {
  display: flex;
  transition: transform 0.55s ease;
}

.pgc4-carousel-slide {
  min-width: 100%;
  position: relative;
}

.pgc4-carousel-slide img {
  width: 100%;
  height: 18rem;
  object-fit: cover;
}

.pgc4-carousel-cap {
  position: absolute;
  left: 1rem; right: 1rem; bottom: 1rem;
  background: rgba(25, 25, 112, 0.78);
  padding: 0.7rem 1rem;
  border-radius: 1rem;
  font-size: 1.2rem;
  color: #fff;
}

.pgc4-carousel-dots {
  position: absolute;
  bottom: 0.6rem; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 0.5rem;
}

.pgc4-carousel-dot {
  width: 0.7rem; height: 0.7rem;
  border-radius: 50%;
  background: rgba(175, 238, 238, 0.4);
  border: none; cursor: pointer;
}
.pgc4-dot-active { background: var(--pgc4-accent); }

/* Headings */
.pgc4-section {
  margin: 2rem 0;
  padding: 0 1rem;
}

.pgc4-h1 {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--pgc4-accent);
  margin-bottom: 0.8rem;
  line-height: 1.3;
}

.pgc4-h2 {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--pgc4-text);
  margin: 1.6rem 0 0.8rem;
  border-left: 0.35rem solid var(--pgc4-accent);
  padding-left: 0.7rem;
}

.pgc4-h3 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--pgc4-text);
  margin: 1.2rem 0 0.6rem;
}

.pgc4-lead {
  font-size: 1.3rem;
  color: var(--pgc4-muted);
  margin-bottom: 0.9rem;
}

.pgc4-text {
  font-size: 1.25rem;
  color: var(--pgc4-muted);
  margin-bottom: 0.8rem;
}

.pgc4-text strong { color: var(--pgc4-accent); }
.pgc4-text a { color: var(--pgc4-accent); font-weight: 600; }

/* Category chip row */
.pgc4-cat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.6rem 0 1rem;
}

.pgc4-cat-chip {
  background: rgba(175, 238, 238, 0.07);
  border: 0.12rem solid var(--pgc4-card-border);
  color: var(--pgc4-text);
  padding: 0.4rem 0.9rem;
  border-radius: 1.5rem;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.04rem;
}

/* Game grid */
.pgc4-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
}

.pgc4-card {
  background: var(--pgc4-card-bg);
  border: 0.12rem solid var(--pgc4-card-border);
  border-radius: var(--pgc4-radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.18s, border-color 0.18s;
  text-align: center;
}

.pgc4-card:active { transform: scale(0.96); }

.pgc4-card img {
  width: 100%;
  height: 8rem;
  object-fit: cover;
  border-bottom: 0.12rem solid var(--pgc4-card-border);
}

.pgc4-card-name {
  padding: 0.5rem 0.4rem;
  font-size: 1.05rem;
  color: var(--pgc4-text);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pgc4-card-tag {
  display: inline-block;
  margin-bottom: 0.4rem;
  padding: 0.15rem 0.6rem;
  font-size: 0.95rem;
  background: rgba(255, 215, 0, 0.12);
  color: var(--pgc4-accent);
  border-radius: 0.6rem;
}

/* Info / feature blocks */
.pgc4-info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
}

.pgc4-info-card {
  background: rgba(25, 25, 112, 0.25);
  border: 0.12rem solid var(--pgc4-card-border);
  border-radius: var(--pgc4-radius);
  padding: 0.9rem 1rem;
}

.pgc4-info-card h3 { color: var(--pgc4-accent); }

.pgc4-list {
  list-style: none;
  padding: 0;
  margin: 0.4rem 0;
}
.pgc4-list li {
  padding: 0.3rem 0;
  font-size: 1.2rem;
  color: var(--pgc4-muted);
}
.pgc4-list li::before { content: "▸ "; color: var(--pgc4-accent); }

/* Promo CTA */
.pgc4-cta {
  background: linear-gradient(120deg, var(--pgc4-primary), #3a3a7a);
  border-radius: var(--pgc4-radius);
  padding: 1.2rem 1rem;
  margin: 1.4rem 1rem;
  text-align: center;
  border: 0.15rem solid var(--pgc4-accent);
  box-shadow: var(--pgc4-shadow);
}

.pgc4-cta h2 { color: var(--pgc4-accent); border: none; padding: 0; margin: 0 0 0.5rem; }
.pgc4-cta p { color: var(--pgc4-text); font-size: 1.2rem; margin-bottom: 0.8rem; }

.pgc4-cta-buttons { display: flex; gap: 0.6rem; justify-content: center; flex-wrap: wrap; }

/* Testimonials */
.pgc4-testimonial {
  background: rgba(255,255,255,0.04);
  border-left: 0.3rem solid var(--pgc4-success);
  border-radius: 0.8rem;
  padding: 0.8rem 1rem;
  margin: 0.6rem 0;
}
.pgc4-testimonial p { font-size: 1.15rem; color: var(--pgc4-muted); font-style: italic; }
.pgc4-testimonial span { display: block; margin-top: 0.4rem; font-size: 1.05rem; color: var(--pgc4-accent); font-weight: 700; }

/* Payment */
.pgc4-pay-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.6rem 0; }
.pgc4-pay {
  background: rgba(175, 238, 238, 0.06);
  border: 0.12rem solid var(--pgc4-card-border);
  color: var(--pgc4-text);
  border-radius: 0.8rem;
  padding: 0.5rem 0.8rem;
  font-size: 1.1rem;
}

/* Winners */
.pgc4-winner {
  display: flex; justify-content: space-between;
  background: rgba(255,215,0,0.06);
  border: 0.12rem solid var(--pgc4-card-border);
  border-radius: 0.8rem;
  padding: 0.6rem 0.9rem;
  margin: 0.4rem 0;
  font-size: 1.15rem;
}
.pgc4-winner span:first-child { color: var(--pgc4-text); font-weight: 600; }
.pgc4-winner span:last-child { color: var(--pgc4-accent); font-weight: 700; }

/* Footer */
.pgc4-footer {
  margin-top: 2rem;
  padding: 1.4rem 1rem 9rem;
  background: #0e0e22;
  border-top: 0.2rem solid var(--pgc4-accent);
  font-size: 1.15rem;
}

.pgc4-footer h3 { color: var(--pgc4-accent); margin: 0.8rem 0 0.5rem; }
.pgc4-footer p { color: var(--pgc4-muted); margin-bottom: 0.7rem; }

.pgc4-footer-links {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.6rem 0;
}
.pgc4-footer-links a {
  background: rgba(175,238,238,0.06);
  border: 0.12rem solid var(--pgc4-card-border);
  color: var(--pgc4-text);
  border-radius: 0.8rem;
  padding: 0.4rem 0.8rem;
  font-size: 1.1rem;
}

.pgc4-footer-copy {
  margin-top: 1rem;
  padding-top: 0.8rem;
  border-top: 0.12rem solid var(--pgc4-card-border);
  font-size: 1.05rem;
  color: var(--pgc4-muted);
  text-align: center;
}

/* Desktop navigation (hidden on mobile) */
.pgc4-desktop-nav { display: none; }

/* Mobile bottom navigation */
.pgc4-bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  max-width: 430px;
  margin: 0 auto;
  height: 6rem;
  background: linear-gradient(90deg, var(--pgc4-primary), #14142b);
  border-top: 0.15rem solid var(--pgc4-accent);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 -0.3rem 1rem rgba(0,0,0,0.4);
}

.pgc4-bottom-nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 6rem;
  min-height: 6rem;
  background: none;
  border: none;
  color: var(--pgc4-text);
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.18s, color 0.18s;
}
.pgc4-bottom-nav-link i,
.pgc4-bottom-nav-link span.material-icons,
.pgc4-bottom-nav-link ion-icon,
.pgc4-bottom-nav-link bi {
  font-size: 2.2rem;
  margin-bottom: 0.2rem;
}
.pgc4-bottom-nav-link:hover { color: var(--pgc4-accent); transform: scale(1.08); }
.pgc4-nav-active { color: var(--pgc4-accent); }
.pgc4-nav-active i { color: var(--pgc4-accent); }

/* Desktop responsive */
@media (min-width: 769px) {
  .pgc4-wrapper { max-width: 960px; }
  .pgc4-header { max-width: 960px; }
  .pgc4-bottom-nav { display: none; }
  .pgc4-footer { padding-bottom: 2rem; }
  .pgc4-desktop-nav { display: flex; gap: 1.2rem; }
  .pgc4-desktop-nav a {
    color: var(--pgc4-text); font-size: 1.2rem; font-weight: 600;
    padding: 0.4rem 0.2rem; border-bottom: 0.15rem solid transparent;
  }
  .pgc4-desktop-nav a:hover { border-color: var(--pgc4-accent); color: var(--pgc4-accent); }
  .pgc4-grid { grid-template-columns: repeat(6, 1fr); }
  .pgc4-info-grid { grid-template-columns: repeat(2, 1fr); }
  .pgc4-carousel-slide img { height: 26rem; }
}

/* Mobile bottom padding clearance */
@media (max-width: 768px) {
  main.pgc4-main { padding-bottom: 8rem; }
}

/* Utility */
.pgc4-visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0);
}