/**
 * Nustar PH - Main Theme Stylesheet
 * All classes use v61d- prefix for namespace isolation
 * Mobile-first responsive design
 * Color palette: #000080 | #40E0D0 | #FFFFFF | #1E1E1E
 */

/* ===== CSS Variables ===== */
:root {
  --v61d-primary: #000080;
  --v61d-secondary: #40E0D0;
  --v61d-accent: #40E0D0;
  --v61d-dark: #1E1E1E;
  --v61d-darker: #0a0a0a;
  --v61d-light: #FFFFFF;
  --v61d-gray: #666666;
  --v61d-gray-light: #cccccc;
  --v61d-success: #28a745;
  --v61d-warning: #ffc107;
  --v61d-danger: #dc3545;

  /* Typography */
  --v61d-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --v61d-font-size-base: 1.6rem;
  --v61d-line-height: 1.5;

  /* Spacing */
  --v61d-spacing-xs: 0.4rem;
  --v61d-spacing-sm: 0.8rem;
  --v61d-spacing-md: 1.6rem;
  --v61d-spacing-lg: 2.4rem;
  --v61d-spacing-xl: 3.2rem;

  /* Border radius */
  --v61d-radius-sm: 0.4rem;
  --v61d-radius-md: 0.8rem;
  --v61d-radius-lg: 1.2rem;

  /* Shadows */
  --v61d-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --v61d-shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
  --v61d-shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);

  /* Transitions */
  --v61d-transition: all 0.3s ease;
}

/* ===== Reset & Base Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--v61d-font-family);
  font-size: var(--v61d-font-size-base);
  line-height: var(--v61d-line-height);
  color: var(--v61d-light);
  background-color: var(--v61d-dark);
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--v61d-transition);
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

ul, ol {
  list-style: none;
}

/* ===== Container & Layout ===== */
.v61d-container {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 var(--v61d-spacing-md);
}

.v61d-wrapper {
  padding-top: 6rem;
  padding-bottom: 8rem;
}

/* ===== Header Styles ===== */
.v61d-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--v61d-primary);
  box-shadow: var(--v61d-shadow-md);
  z-index: 1000;
  height: 6rem;
}

.v61d-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 var(--v61d-spacing-md);
}

.v61d-logo {
  display: flex;
  align-items: center;
  gap: var(--v61d-spacing-sm);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--v61d-light);
}

.v61d-logo-icon {
  width: 2.8rem;
  height: 2.8rem;
  object-fit: contain;
}

.v61d-header-buttons {
  display: flex;
  gap: var(--v61d-spacing-sm);
}

.v61d-btn {
  padding: 0.6rem 1.2rem;
  font-size: 1.2rem;
  font-weight: 600;
  border-radius: var(--v61d-radius-md);
  transition: var(--v61d-transition);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--v61d-spacing-xs);
}

.v61d-btn-register {
  background-color: var(--v61d-secondary);
  color: var(--v61d-primary);
}

.v61d-btn-register:hover {
  background-color: var(--v61d-light);
  transform: translateY(-2px);
  box-shadow: var(--v61d-shadow-md);
}

.v61d-btn-login {
  background-color: transparent;
  color: var(--v61d-light);
  border: 2px solid var(--v61d-secondary);
}

.v61d-btn-login:hover {
  background-color: var(--v61d-secondary);
  color: var(--v61d-primary);
}

.v61d-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: var(--v61d-spacing-sm);
  cursor: pointer;
}

.v61d-menu-toggle span {
  display: block;
  width: 2.4rem;
  height: 0.2rem;
  background-color: var(--v61d-light);
  transition: var(--v61d-transition);
}

/* ===== Mobile Menu ===== */
.v61d-mobile-menu {
  position: fixed; pointer-events: none;
  top: 6rem;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--v61d-darker);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 9999;
  overflow-y: auto;
  padding: var(--v61d-spacing-lg);
}

.v61d-mobile-menu.v61d-menu-open {
  transform: translateX(0); pointer-events: none;
}

.v61d-menu-close {
  position: absolute;
  top: var(--v61d-spacing-md);
  right: var(--v61d-spacing-md);
  font-size: 2.4rem;
  color: var(--v61d-light);
  cursor: pointer;
  padding: var(--v61d-spacing-sm);
}

.v61d-menu-nav {
  margin-top: var(--v61d-spacing-xl);
}

.v61d-menu-link {
  display: block;
  padding: var(--v61d-spacing-md);
  font-size: 1.6rem;
  color: var(--v61d-light);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--v61d-transition);
}

.v61d-menu-link:hover {
  background-color: var(--v61d-primary);
  color: var(--v61d-secondary);
  padding-left: 2.4rem;
}

/* ===== Carousel ===== */
.v61d-carousel {
  position: relative;
  width: 100%;
  height: 20rem;
  overflow: hidden;
  border-radius: var(--v61d-radius-lg);
  margin-bottom: var(--v61d-spacing-lg);
}

.v61d-carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.v61d-carousel-slide.v61d-active {
  opacity: 1;
}

.v61d-carousel-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.v61d-carousel-dots {
  position: absolute;
  bottom: var(--v61d-spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--v61d-spacing-sm);
}

.v61d-carousel-dot {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--v61d-transition);
}

.v61d-carousel-dot.v61d-active {
  background-color: var(--v61d-secondary);
  transform: scale(1.2);
}

/* ===== Typography ===== */
.v61d-h1 {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--v61d-secondary);
  margin-bottom: var(--v61d-spacing-md);
  line-height: 1.3;
}

.v61d-h2 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--v61d-light);
  margin-bottom: var(--v61d-spacing-md);
}

.v61d-h3 {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--v61d-secondary);
  margin-bottom: var(--v61d-spacing-sm);
}

.v61d-text {
  margin-bottom: var(--v61d-spacing-md);
  color: rgba(255, 255, 255, 0.9);
}

.v61d-link {
  color: var(--v61d-secondary);
  font-weight: 600;
  text-decoration: underline;
}

.v61d-link:hover {
  color: var(--v61d-light);
}

/* ===== Cards ===== */
.v61d-card {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--v61d-radius-lg);
  padding: var(--v61d-spacing-lg);
  margin-bottom: var(--v61d-spacing-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.v61d-card-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--v61d-secondary);
  margin-bottom: var(--v61d-spacing-sm);
}

/* ===== Game Grid ===== */
.v61d-game-section {
  margin-bottom: var(--v61d-spacing-xl);
}

.v61d-section-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--v61d-secondary);
  margin-bottom: var(--v61d-spacing-md);
  padding-bottom: var(--v61d-spacing-sm);
  border-bottom: 2px solid var(--v61d-secondary);
}

.v61d-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--v61d-spacing-sm);
}

.v61d-game-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--v61d-spacing-xs);
  cursor: pointer;
  transition: var(--v61d-transition);
}

.v61d-game-item:hover {
  transform: scale(1.05);
}

.v61d-game-icon {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--v61d-radius-md);
  background-color: rgba(255, 255, 255, 0.1);
}

.v61d-game-name {
  font-size: 1rem;
  color: var(--v61d-light);
  text-align: center;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 100%;
}

/* ===== Promo Banner ===== */
.v61d-promo-banner {
  background: linear-gradient(135deg, var(--v61d-primary) 0%, var(--v61d-darker) 100%);
  border-radius: var(--v61d-radius-lg);
  padding: var(--v61d-spacing-lg);
  margin-bottom: var(--v61d-spacing-lg);
  text-align: center;
  border: 2px solid var(--v61d-secondary);
}

.v61d-promo-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--v61d-secondary);
  margin-bottom: var(--v61d-spacing-sm);
}

.v61d-promo-text {
  color: var(--v61d-light);
  margin-bottom: var(--v61d-spacing-md);
}

.v61d-btn-promo {
  display: inline-block;
  padding: 1rem 2.4rem;
  font-size: 1.4rem;
  font-weight: 700;
  background-color: var(--v61d-secondary);
  color: var(--v61d-primary);
  border-radius: var(--v61d-radius-lg);
  transition: var(--v61d-transition);
}

.v61d-btn-promo:hover {
  background-color: var(--v61d-light);
  transform: scale(1.05);
  box-shadow: var(--v61d-shadow-lg);
}

/* ===== FAQ Section ===== */
.v61d-faq-item {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--v61d-radius-md);
  margin-bottom: var(--v61d-spacing-sm);
  overflow: hidden;
}

.v61d-faq-question {
  padding: var(--v61d-spacing-md);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--v61d-light);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--v61d-spacing-sm);
}

.v61d-faq-answer {
  padding: 0 var(--v61d-spacing-md) var(--v61d-spacing-md);
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
}

/* ===== Features List ===== */
.v61d-features {
  margin-bottom: var(--v61d-spacing-lg);
}

.v61d-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--v61d-spacing-sm);
  margin-bottom: var(--v61d-spacing-md);
  padding: var(--v61d-spacing-md);
  background-color: rgba(255, 255, 255, 0.03);
  border-radius: var(--v61d-radius-md);
}

.v61d-feature-icon {
  width: 2.4rem;
  height: 2.4rem;
  flex-shrink: 0;
  color: var(--v61d-secondary);
}

.v61d-feature-text {
  flex: 1;
  font-size: 1.4rem;
  color: var(--v61d-light);
  line-height: 1.5;
}

.v61d-feature-text strong {
  color: var(--v61d-secondary);
}

/* ===== Footer ===== */
.v61d-footer {
  background-color: var(--v61d-darker);
  padding: var(--v61d-spacing-xl) 0;
  margin-top: var(--v61d-spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.v61d-footer-text {
  font-size: 1.2rem;
  color: var(--v61d-gray);
  text-align: center;
  margin-bottom: var(--v61d-spacing-md);
  line-height: 1.6;
}

.v61d-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--v61d-spacing-sm);
  margin-bottom: var(--v61d-spacing-md);
}

.v61d-footer-link {
  font-size: 1.2rem;
  color: var(--v61d-secondary);
  transition: var(--v61d-transition);
}

.v61d-footer-link:hover {
  color: var(--v61d-light);
  text-decoration: underline;
}

.v61d-partners {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--v61d-spacing-sm);
  margin-bottom: var(--v61d-spacing-md);
}

.v61d-partner-logo {
  width: 4rem;
  height: 2.4rem;
  object-fit: contain;
  opacity: 0.7;
  transition: var(--v61d-transition);
}

.v61d-partner-logo:hover {
  opacity: 1;
}

.v61d-copyright {
  text-align: center;
  font-size: 1.1rem;
  color: var(--v61d-gray);
  padding-top: var(--v61d-spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* ===== Mobile Bottom Navigation ===== */
.v61d-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--v61d-primary);
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 6rem;
  padding: 0 var(--v61d-spacing-sm);
}

.v61d-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-width: 6rem;
  min-height: 6rem;
  cursor: pointer;
  transition: var(--v61d-transition);
  border-radius: var(--v61d-radius-sm);
  padding: var(--v61d-spacing-xs);
}

.v61d-nav-item:hover {
  background-color: rgba(64, 224, 208, 0.1);
}

.v61d-nav-item.v61d-active {
  color: var(--v61d-secondary);
}

.v61d-nav-icon {
  font-size: 2.4rem;
  color: var(--v61d-light);
  transition: var(--v61d-transition);
}

.v61d-nav-item:hover .v61d-nav-icon,
.v61d-nav-item.v61d-active .v61d-nav-icon {
  color: var(--v61d-secondary);
  transform: scale(1.1);
}

.v61d-nav-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--v61d-light);
  text-align: center;
}

.v61d-nav-item:hover .v61d-nav-label,
.v61d-nav-item.v61d-active .v61d-nav-label {
  color: var(--v61d-secondary);
}

/* Hide bottom nav on desktop */
@media (min-width: 769px) {
  .v61d-bottom-nav {
    display: none;
  }

  .v61d-wrapper {
    padding-bottom: var(--v61d-spacing-lg);
  }
}

/* Add bottom padding on mobile for bottom nav clearance */
@media (max-width: 768px) {
  main {
    padding-bottom: 8rem;
  }
}

/* ===== Utility Classes ===== */
.v61d-mb-sm { margin-bottom: var(--v61d-spacing-sm); }
.v61d-mb-md { margin-bottom: var(--v61d-spacing-md); }
.v61d-mb-lg { margin-bottom: var(--v61d-spacing-lg); }

.v61d-text-center { text-align: center; }
.v61d-text-bold { font-weight: 700; }
.v61d-text-secondary { color: var(--v61d-secondary); }

.v61d-animate-on-scroll {
  opacity: 0;
  transform: translateY(2rem);
  transition: all 0.6s ease;
}

.v61d-animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Loading States ===== */
.v61d-loading {
  opacity: 0;
  transition: opacity 0.3s ease;
}

body.v61d-loaded .v61d-loading {
  opacity: 1;
}

/* ===== Touch Device Optimizations ===== */
.v61d-touch-device .v61d-btn {
  min-height: 4.4rem;
  min-width: 4.4rem;
}

.v61d-touch-device .v61d-nav-item {
  min-height: 6rem;
  min-width: 6rem;
}