/* ==========================================================================
   Winspark Italia - Main Stylesheet
   Design System: Nocturne Casino UI
   ========================================================================== */

/* Root Variables from Design System */
:root {
  /* Colors - Ink */
  --color-primary-text: #FFFFFF;
  --color-secondary-text: #C9C4D9;
  --color-muted-text: #9B95B3;
  --color-link: #6BD5FF;
  --color-success-text: #E9FFF1;
  --color-warning-text: #2A1C00;
  --color-error-text: #FFE7EA;
  
  /* Colors - Surface */
  --color-app-bg: #1B1430;
  --color-section-bg: #20183A;
  --color-card-bg: #241C41;
  --color-card-elevated-bg: #2A2150;
  --color-table-row-alt: #221A3C;
  --color-modal-scrim: rgba(3, 0, 20, 0.65);
  
  /* Colors - Borders */
  --color-border-subtle: #2E2551;
  --color-border-strong: #3B2F69;
  --color-focus-ring: #6BD5FF;
  
  /* Colors - Brand */
  --color-brand-accent: #7D5CFF;
  --color-brand-secondary: #FF7DEB;
  
  /* Colors - Actions */
  --color-primary: #2CCB6B;
  --color-primary-hover: #20B65C;
  --color-primary-active: #16A653;
  --color-secondary: #3B2F69;
  --color-secondary-hover: #46367C;
  --color-secondary-active: #534294;
  --color-danger: #FF4D6D;
  --color-danger-hover: #E53E5D;
  
  /* Colors - Promos */
  --color-promo-yellow-start: #F9E27A;
  --color-promo-yellow-end: #F1B235;
  --color-promo-blue-start: #3DD5FF;
  --color-promo-blue-end: #0A7BEA;
  --color-promo-pink-start: #FF9AD8;
  --color-promo-pink-end: #FF5CB1;
  
  /* Colors - Chip */
  --color-chip-info-bg: #2A1F4A;
  --color-chip-info-text: #D9D2FF;
  --color-chip-success-bg: #1E3B2A;
  --color-chip-success-text: #A6F5C8;
  
  /* Colors - Icons */
  --color-icon-on-dark: #FFFFFF;
  --color-icon-muted: #B9B3CD;
  --color-icon-success: #2CCB6B;
  --color-icon-warning: #FFC857;
  --color-icon-danger: #FF4D6D;
  
  /* Spacing */
  --spacing-unit: 8px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  
  /* Border Radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 999px;
  
  /* Typography */
  --font-family-base: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-family-numeric: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  /* Font Sizes */
  --font-size-h1: 28px;
  --font-size-h2: 22px;
  --font-size-h3: 18px;
  --font-size-subtitle: 16px;
  --font-size-body: 14px;
  --font-size-caption: 12px;
  --font-size-eyebrow: 11px;
  
  /* Shadows */
  --shadow-card: 0 6px 18px rgba(0, 0, 0, 0.28);
  --shadow-card-strong: 0 10px 28px rgba(0, 0, 0, 0.40);
  --shadow-elevated: 0 12px 32px rgba(0, 0, 0, 0.40);
  --shadow-button: 0 6px 12px rgba(44, 203, 107, 0.35);
  
  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-medium: 220ms ease;
  --transition-slow: 300ms ease;
  
  /* Container */
  --container-max-width: 1200px;
  --container-padding: 20px;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

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

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-body);
  font-weight: 500;
  line-height: 1.55;
  color: var(--color-secondary-text);
  background-color: var(--color-app-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}

a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #A9E7FF;
}

a:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

ul, ol {
  list-style-position: inside;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary-text);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-h1);
  font-weight: 800;
  line-height: 1.25;
}

h2 {
  font-size: var(--font-size-h2);
  line-height: 1.3;
  margin-top: var(--spacing-xl);
}

h3 {
  font-size: var(--font-size-h3);
  line-height: 1.35;
  margin-top: var(--spacing-lg);
}

p {
  margin-bottom: var(--spacing-md);
}

strong {
  font-weight: 700;
  color: var(--color-primary-text);
}

small {
  font-size: var(--font-size-caption);
  color: var(--color-muted-text);
}

/* ==========================================================================
   Container & Layout
   ========================================================================== */

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-xl) 0;
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
  background-color: var(--color-section-bg);
  border-bottom: 1px solid var(--color-border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
}

.header__logo-link {
  display: flex;
  align-items: center;
}

.header__logo {
  height: 40px;
  width: auto;
}

.header__cta-group {
  display: flex;
  gap: var(--spacing-sm);
}

.header__bottom {
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  justify-content: center;
}

.header__nav {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-md) 0;
}

.header__nav-link {
  color: var(--color-secondary-text);
  font-size: var(--font-size-body);
  font-weight: 600;
  transition: color var(--transition-fast);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
}

.header__nav-link:hover {
  color: var(--color-primary-text);
  background-color: rgba(255, 255, 255, 0.06);
}

.header__nav-link.active {
  color: var(--color-primary-text);
}

.header__burger {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}

.header__burger-line {
  width: 100%;
  height: 3px;
  background-color: var(--color-primary-text);
  border-radius: var(--radius-pill);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.header__burger.active .header__burger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.header__burger.active .header__burger-line:nth-child(2) {
  opacity: 0;
}

.header__burger.active .header__burger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.header__mobile-menu {
  display: none;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) 0;
  border-top: 1px solid var(--color-border-subtle);
}

.header__mobile-menu.active {
  display: flex;
}

.header__mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.header__mobile-link {
  color: var(--color-secondary-text);
  font-size: var(--font-size-body);
  font-weight: 600;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.header__mobile-link:hover {
  background-color: rgba(255, 255, 255, 0.06);
  color: var(--color-primary-text);
}

.header__mobile-cta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-body);
  font-weight: 600;
  text-align: center;
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 3px rgba(107, 213, 255, 0.35);
}

.btn-primary {
  background: linear-gradient(180deg, #32D36C 0%, #1FB45A 100%);
  color: #FFFFFF;
  box-shadow: var(--shadow-button);
  border: none;
}

.btn-primary:hover {
  background: linear-gradient(180deg, #2CC365 0%, #1AAE56 100%);
  box-shadow: 0 8px 16px rgba(44, 203, 107, 0.45);
  transform: translateY(-1px);
}

.btn-primary:active {
  background: var(--color-primary-active);
  box-shadow: 0 3px 8px rgba(44, 203, 107, 0.30);
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: #FFFFFF;
  border: 1px solid var(--color-border-strong);
}

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

.btn-secondary:active {
  background-color: var(--color-secondary-active);
}

.btn-small {
  padding: 8px 16px;
  font-size: var(--font-size-caption);
}

/* ==========================================================================
   Breadcrumbs
   ========================================================================== */

.breadcrumbs {
  padding: var(--spacing-md) 0;
  font-size: var(--font-size-caption);
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  list-style: none;
  align-items: center;
}

.breadcrumbs__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.breadcrumbs__link {
  color: var(--color-muted-text);
  transition: color var(--transition-fast);
}

.breadcrumbs__link:hover {
  color: var(--color-secondary-text);
}

.breadcrumbs__separator {
  color: var(--color-muted-text);
  user-select: none;
}

.breadcrumbs__current {
  color: var(--color-secondary-text);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  padding: var(--spacing-xl) 0;
}

.hero__title {
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.hero__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.hero__text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.hero__meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-caption);
  color: var(--color-muted-text);
}

.hero__reading-time {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.hero__image-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.hero__image {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.hero__fact-checked {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-caption);
  color: var(--color-chip-success-text);
  background-color: var(--color-chip-success-bg);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-pill);
  border: 1px solid rgba(44, 203, 107, 0.35);
  margin-top: var(--spacing-md);
}

/* ==========================================================================
   Table of Contents
   ========================================================================== */

.toc {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  margin: var(--spacing-xl) 0;
}

.toc__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  padding: var(--spacing-xs);
}

.toc__title {
  font-size: var(--font-size-subtitle);
  font-weight: 600;
  color: var(--color-primary-text);
  margin: 0;
}

.toc__toggle {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.toc.expanded .toc__toggle {
  transform: rotate(180deg);
}

.toc__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium);
}

.toc.expanded .toc__content {
  max-height: 1000px;
  margin-top: var(--spacing-md);
}

.toc__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.toc__item {
  margin: 0;
}

.toc__link {
  display: block;
  color: var(--color-secondary-text);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-size: var(--font-size-body);
}

.toc__link:hover {
  background-color: rgba(255, 255, 255, 0.06);
  color: var(--color-primary-text);
}

.toc__link.active {
  background-color: var(--color-secondary);
  color: var(--color-primary-text);
}

.toc__link--h3 {
  padding-left: var(--spacing-lg);
  font-size: var(--font-size-caption);
}

/* ==========================================================================
   Games Section
   ========================================================================== */

.games {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-section-bg);
}

.games__title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.games__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-md);
}

.game-card {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.game-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-strong);
}

.game-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.game-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.game-card:hover .game-card__overlay {
  opacity: 1;
}

.game-card__cta {
  transform: scale(0.9);
  transition: transform var(--transition-fast);
}

.game-card:hover .game-card__cta {
  transform: scale(1);
}

/* ==========================================================================
   Content Sections
   ========================================================================== */

.content-section {
  padding: var(--spacing-xl) 0;
}

.content-section__header {
  margin-bottom: var(--spacing-lg);
}

.content-section__image {
  margin: var(--spacing-lg) auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  width: 100%;
}

.content-section__content {
  max-width: 800px;
  margin: 0 auto;
}

.content-section__content ul,
.content-section__content ol {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
}

.content-section__content li {
  margin-bottom: var(--spacing-xs);
  line-height: 1.6;
}

.content-section__content table {
  width: 100%;
  margin: var(--spacing-lg) 0;
  border-collapse: collapse;
  background-color: var(--color-section-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.content-section__content thead {
  background-color: var(--color-card-bg);
}

.content-section__content th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 700;
  color: var(--color-primary-text);
  font-size: var(--font-size-body);
  border-bottom: 1px solid var(--color-border-subtle);
}

.content-section__content td {
  padding: var(--spacing-md);
  color: var(--color-secondary-text);
  border-bottom: 1px solid var(--color-border-subtle);
}

.content-section__content tr:last-child td {
  border-bottom: none;
}

.content-section__content tr:nth-child(even) {
  background-color: var(--color-table-row-alt);
}

.content-section__content tr:hover {
  background-color: #261F45;
}

/* ==========================================================================
   Author Section
   ========================================================================== */

.author {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  box-shadow: var(--shadow-card);
}

.author__content {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.author__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 3px solid var(--color-border-strong);
}

.author__info {
  flex: 1;
}

.author__name {
  font-size: var(--font-size-subtitle);
  font-weight: 700;
  color: var(--color-primary-text);
  margin-bottom: var(--spacing-xs);
}

.author__bio {
  font-size: var(--font-size-caption);
  color: var(--color-muted-text);
  margin-bottom: var(--spacing-xs);
}

.author__updated {
  font-size: var(--font-size-caption);
  color: var(--color-muted-text);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */

.faq {
  padding: var(--spacing-xl) 0;
}

.faq__title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.faq__list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.faq__item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq__question {
  cursor: pointer;
  padding: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-body);
  font-weight: 600;
  color: var(--color-primary-text);
  transition: background-color var(--transition-fast);
}

.faq__question:hover {
  background-color: #261F45;
}

.faq__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
  color: var(--color-icon-muted);
}

.faq__item[open] .faq__icon {
  transform: rotate(180deg);
}

.faq__answer {
  padding: 0 var(--spacing-md) var(--spacing-md) var(--spacing-md);
  color: var(--color-secondary-text);
  line-height: 1.6;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background-color: var(--color-section-bg);
  border-top: 1px solid var(--color-border-subtle);
  padding: var(--spacing-2xl) 0 var(--spacing-md) 0;
  margin-top: var(--spacing-3xl);
}

.footer__main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer__column {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.footer__logo {
  height: 36px;
  width: auto;
  margin-bottom: var(--spacing-sm);
}

.footer__title {
  font-size: var(--font-size-subtitle);
  font-weight: 700;
  color: var(--color-primary-text);
  margin-bottom: var(--spacing-sm);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  list-style: none;
}

.footer__link {
  color: var(--color-secondary-text);
  font-size: var(--font-size-body);
  transition: color var(--transition-fast);
  padding: var(--spacing-xs) 0;
}

.footer__link:hover {
  color: var(--color-primary-text);
}

.footer__payment-methods {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  align-items: center;
}

.footer__payment-icon {
  height: 32px;
  width: auto;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.footer__payment-icon:hover {
  opacity: 1;
}

.footer__responsible-gaming {
  margin-top: var(--spacing-md);
}

.footer__responsible-link {
  display: inline-block;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.footer__responsible-link:hover {
  opacity: 1;
}

.footer__responsible-logo {
  height: 48px;
  width: auto;
}

.footer__bottom {
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-subtle);
  text-align: center;
  font-size: var(--font-size-caption);
  color: var(--color-muted-text);
}

/* ==========================================================================
   Back to Top Button
   ========================================================================== */

.back-to-top {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(180deg, #32D36C 0%, #1FB45A 100%);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-card);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 50;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-strong);
}

.back-to-top:active {
  transform: translateY(0);
}

/* ==========================================================================
   Responsive Tables
   ========================================================================== */

@media (max-width: 768px) {
  .content-section__content table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 1024px) {
  .hero__content {
    grid-template-columns: 1fr;
  }
  
  .games__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-h1: 24px;
    --font-size-h2: 20px;
    --font-size-h3: 16px;
  }
  
  .header__top {
    padding: var(--spacing-sm) 0;
  }
  
  .header__logo {
    height: 32px;
  }
  
  .header__bottom {
    display: none;
  }
  
  .header__cta-group {
    display: none;
  }
  
  .header__burger {
    display: flex;
  }
  
  .hero__content {
    gap: var(--spacing-md);
  }
  
  .games {
    padding: var(--spacing-xl) 0;
  }
  
  .games__grid {
    grid-template-columns: 1fr;
    overflow-x: auto;
    display: flex;
    gap: var(--spacing-sm);
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--spacing-sm);
  }
  
  .game-card {
    min-width: 200px;
    scroll-snap-align: start;
  }
  
  .author__content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer__main {
    grid-template-columns: 1fr;
  }
  
  .btn {
    padding: 10px 20px;
    font-size: var(--font-size-caption);
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 16px;
  }
  
  .section {
    padding: var(--spacing-lg) 0;
  }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.text-center {
  text-align: center;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }