:root {
  /* Colors */
  --c-bg-body: #0f172a;
  --c-bg-card: #1e293b;
  --c-bg-card-hover: #334155;
  --c-text-primary: #f8fafc;
  --c-text-secondary: #94a3b8;
  --c-accent-primary: #00f0ff;
  --c-accent-secondary: #007bff;
  --c-accent-gradient: linear-gradient(135deg, var(--c-accent-primary) 0%, var(--c-accent-secondary) 100%);
  --c-overlay: rgba(15, 23, 42, 0.85);
  
  /* Dimensions & Spacing */
  --header-height: 4.5rem;
  --container-width: 1200px;
  --gap-md: 1.5rem;
  --gap-sm: 1rem;
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --fs-base: 1rem;
  --fs-h1: clamp(2rem, 5vw, 3.5rem);
  --fs-h2: clamp(1.5rem, 3vw, 2.5rem);
  
  /* Effects */
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.3);
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Reset & Normalization */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--c-bg-body);
  color: var(--c-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--c-bg-body);
}
::-webkit-scrollbar-thumb {
  background: var(--c-bg-card-hover);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--c-accent-secondary);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gap-md);
  padding-right: var(--gap-md);
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar {
  display: flex;
  align-items: center;
  height: var(--header-height);
  padding: 0.5rem 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand img {
  height: 2.5rem;
  width: auto;
  filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.5));
}

.navbar-toggler {
  background: transparent;
  border: 1px solid var(--c-bg-card-hover);
  color: var(--c-text-primary);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: none; /* Hidden on desktop */
}

.navbar-collapse {
  display: flex;
  align-items: center;
  flex-grow: 1;
  justify-content: space-between;
}

.navbar-nav {
  display: flex;
  gap: 1.5rem;
  margin-left: 2rem;
}

.menu-item a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--c-text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.menu-item a:hover,
.menu-item.current-menu-item a {
  color: var(--c-text-primary);
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.menu-item a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--c-accent-gradient);
  transition: var(--transition-base);
}

.menu-item a:hover::after,
.menu-item.current-menu-item a::after {
  width: 100%;
}

.navbar-auth {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.auth-login__link {
  font-weight: 600;
  color: var(--c-text-primary);
}

.auth-login__link::before {
  content: 'Войти'; /* Fallback content if empty in HTML */
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6em 1.5em;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  border: none;
  transition: var(--transition-base);
}

.btn-gradient {
  background: var(--c-accent-gradient);
  color: var(--c-bg-body);
  box-shadow: var(--shadow-neon);
}

.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.5);
}

/* Hero Slider */
.header-slider {
  margin-top: var(--header-height);
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
  padding: 4rem 0;
  min-height: 500px;
  display: flex;
  align-items: center;
}

.carousel-item {
  display: none;
  width: 100%;
  animation: fade 0.5s ease-in-out;
}

.carousel-item.active {
  display: block;
}

.carousel-item__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--gap-md);
}

.carousel-item__text {
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
}

.carousel-item__title {
  font-size: var(--fs-h1);
  font-weight: 800;
  line-height: 1.1;
  background: var(--c-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.carousel-item__subtitle {
  font-size: 1.1rem;
  color: var(--c-text-secondary);
}

.carousel-btn {
  background: var(--c-accent-gradient);
  color: var(--c-bg-body);
  padding: 1rem 2rem;
  border-radius: var(--radius-lg);
  font-weight: 700;
  box-shadow: var(--shadow-neon);
  display: inline-block;
}

.carousel-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
}

.carousel-item__image img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  transform: perspective(1000px) rotateY(-5deg);
  transition: var(--transition-base);
  width: 100%;
  object-fit: cover;
}

.carousel-item__image img:hover {
  transform: perspective(1000px) rotateY(0deg);
}

/* Main Content Wrapper */
.main-wrapper {
  padding-bottom: 4rem;
}

.content.py-5 {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

/* Slots Grid System */
.slots-items {
  margin-top: 2rem;
}

.slots-items .row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--gap-md);
}

/* Fallback for col classes within grid container to behave as block */
.slots-items .col {
  width: 100%;
}

/* Slot Card Styling */
.slot-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--c-bg-card);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  aspect-ratio: 16/10; /* Modern standard for game thumbs */
}

.slot-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-neon);
  z-index: 2;
}

.slot-item__inner {
  width: 100%;
  height: 100%;
}

.slot-item__permalink {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
}

.slot-item__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.slot-item:hover .slot-item__img {
  transform: scale(1.1);
  filter: brightness(0.4);
}

/* Slot Overlay Content */
.slot-item__content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-base);
  z-index: 2;
  padding: 1rem;
  text-align: center;
}

.slot-item:hover .slot-item__content {
  opacity: 1;
}

.slot-item__play {
  width: 50px;
  height: 50px;
  background: var(--c-accent-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.5rem;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.6);
  transform: scale(0.8);
  transition: var(--transition-base);
}

.slot-item__play::before {
  content: '';
  width: 0;
  height: 0;
  border-left: 14px solid var(--c-bg-body);
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  margin-left: 4px;
}

.slot-item:hover .slot-item__play {
  transform: scale(1);
}

.slot-item__title {
  font-weight: 700;
  color: var(--c-text-primary);
  font-size: 1rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.8);
  transform: translateY(10px);
  transition: var(--transition-base);
}

.slot-item:hover .slot-item__title {
  transform: translateY(0);
}

/* Modal / Promo Overlay Styling (Cleaned up & Modernized) */
#promo-overlay {
  position: fixed;
  inset: 0;
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  padding: 1rem;
  font-family: var(--font-family);
  opacity: 0;
  animation: fadeIn 0.3s forwards;
}

.promoX_9b2f_modal {
  position: relative;
  width: 100%;
  max-width: 400px;
  background: #1e293b;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem;
  text-align: center;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  transform: scale(0.9);
  animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards 0.1s;
}

.promoX_9b2f_glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 50%;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.2) 0%, rgba(0,0,0,0) 70%);
  filter: blur(40px);
  pointer-events: none;
}

.promoX_9b2f_closeBtn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: none;
  color: var(--c-text-secondary);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.promoX_9b2f_closeBtn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--c-text-primary);
  transform: rotate(90deg);
}

.promoX_9b2f_header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.promoX_9b2f_badge {
  background: rgba(0, 240, 255, 0.1);
  color: var(--c-accent-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  letter-spacing: 0.05em;
  border: 1px solid rgba(0, 240, 255, 0.2);
}

.promoX_9b2f_title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-text-primary);
}

.promoX_9b2f_text {
  color: var(--c-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 2rem;
  line-height: 1.5;
}

.promoX_9b2f_accent {
  color: var(--c-accent-primary);
  font-weight: 600;
}

.promoX_9b2f_actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.promoX_9b2f_btnMain {
  background: var(--c-accent-gradient);
  color: var(--c-bg-body);
  font-weight: 700;
  padding: 1rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  width: 100%;
  display: block;
  transition: var(--transition-base);
  box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
}

.promoX_9b2f_btnMain:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 240, 255, 0.5);
}

.promoX_9b2f_btnSecondary {
  background: transparent;
  color: var(--c-text-secondary);
  padding: 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  cursor: pointer;
  width: 100%;
  font-weight: 500;
  transition: var(--transition-base);
}

.promoX_9b2f_btnSecondary:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--c-text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.promoX_9b2f_note {
  margin-top: 1.5rem;
  font-size: 0.75rem;
  color: #64748b;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.promoX_9b2f_lock {
  color: #10b981;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

/* Animations */
@keyframes fadeIn {
  to { opacity: 1; }
}

@keyframes popIn {
  to { transform: scale(1); }
}

@keyframes fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Mobile Responsiveness */
@media (max-width: 992px) {
  .navbar-collapse {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--c-bg-card);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: none; /* Controlled by JS in real BS, logic handled by toggler here if JS existed */
  }
  
  /* Force show if .show class added (simulating BS behavior) */
  .navbar-collapse.show {
    display: flex;
  }

  .navbar-nav {
    margin: 0;
    flex-direction: column;
    width: 100%;
    text-align: center;
    gap: 1rem;
  }

  .navbar-toggler {
    display: block;
  }

  .carousel-item__content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .carousel-item__text {
    align-items: center;
    order: 2;
  }

  .carousel-item__image {
    order: 1;
    max-width: 80%;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 4rem;
  }

  .slots-items .row {
    grid-template-columns: repeat(2, 1fr);
  }

  .navbar-auth {
    flex-direction: row;
    justify-content: center;
    width: 100%;
    margin-top: 1rem;
  }
  
  /* Mobile specific header tweaks based on HTML classes */
  .navbar-auth.d-sm-flex.d-md-none {
    display: flex; /* Ensure these show on mobile */
    margin-right: 10px;
  }
  
  .navbar-auth.d-none.d-sm-flex {
    display: none; /* Hide desktop auth */
  }

  .btn {
    padding: 0.5em 1em;
    font-size: 0.85rem;
  }

  .carousel-item__title {
    font-size: 1.8rem;
  }
}

@media (max-width: 480px) {
  .slots-items .row {
    grid-template-columns: 1fr; /* 1 col on very small screens */
  }
  
  .promoX_9b2f_modal {
    padding: 1.5rem;
  }
}