:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --card-bg: #11271B;
  --background-color-page: #08160F;
  --text-main: #F2FFF6;
  --text-secondary: #A7D9B8;
  --border-color: #2E7A4E;
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --divider-color: #1E3A2A;
  --deep-green: #0A4B2C;
}

.page-slot-games-classic-slots {
  background-color: var(--background-color-page);
  color: var(--text-main);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-slot-games-classic-slots h1,
.page-slot-games-classic-slots h2,
.page-slot-games-classic-slots h3,
.page-slot-games-classic-slots h4 {
  color: var(--text-main);
  margin-bottom: 1em;
  line-height: 1.2;
}

.page-slot-games-classic-slots h1 {
  font-weight: bold;
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.page-slot-games-classic-slots h2 {
  font-size: 2.5em;
  text-align: center;
  margin-bottom: 1.5em;
}

.page-slot-games-classic-slots h3 {
  font-size: 1.8em;
  margin-bottom: 0.8em;
}

.page-slot-games-classic-slots p {
  margin-bottom: 1em;
  color: var(--text-secondary);
}

.page-slot-games-classic-slots strong {
  color: var(--text-main);
}

.page-slot-games-classic-slots__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* body đã padding-top, đây là khoảng cách bổ sung */
  text-align: center;
  overflow: hidden;
}

.page-slot-games-classic-slots__hero-image-wrapper {
  width: 100%;
  max-width: 1920px;
  margin-bottom: 40px;
}

.page-slot-games-classic-slots__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-slot-games-classic-slots__hero-content {
  max-width: 800px;
  margin: 0 auto;
  z-index: 1;
}

.page-slot-games-classic-slots__main-title {
  color: var(--gold-color);
  margin-bottom: 20px;
  font-size: clamp(2.2em, 4vw, 3.5em);
  text-shadow: 0 0 10px rgba(242, 193, 78, 0.7);
}

.page-slot-games-classic-slots__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: var(--text-main);
}

.page-slot-games-classic-slots__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-slot-games-classic-slots__cta-buttons--center {
  margin-top: 30px;
}

.page-slot-games-classic-slots__btn-primary,
.page-slot-games-classic-slots__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-slot-games-classic-slots__btn-primary {
  background: var(--button-gradient);
  color: #ffffff;
  border: 2px solid var(--glow-color);
  box-shadow: 0 4px 15px rgba(42, 209, 111, 0.4);
}

.page-slot-games-classic-slots__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(42, 209, 111, 0.6);
}

.page-slot-games-classic-slots__btn-secondary {
  background: transparent;
  color: var(--glow-color);
  border: 2px solid var(--glow-color);
  box-shadow: inset 0 0 10px rgba(87, 227, 141, 0.3);
}

.page-slot-games-classic-slots__btn-secondary:hover {
  background: rgba(87, 227, 141, 0.1);
  transform: translateY(-3px);
  box-shadow: inset 0 0 15px rgba(87, 227, 141, 0.5);
}

.page-slot-games-classic-slots__btn--center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  max-width: 300px;
}

.page-slot-games-classic-slots__section {
  padding: 60px 0;
  border-bottom: 1px solid var(--divider-color);
}

.page-slot-games-classic-slots__section-title {
  color: var(--gold-color);
  text-shadow: 0 0 8px rgba(242, 193, 78, 0.5);
  margin-bottom: 40px;
}

.page-slot-games-classic-slots__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-slot-games-classic-slots__text-block {
  color: var(--text-secondary);
  font-size: 1.1em;
  margin-bottom: 1.5em;
  text-align: justify;
}

.page-slot-games-classic-slots__text-block--small {
  font-size: 0.9em;
  color: var(--text-secondary);
  text-align: center;
}

.page-slot-games-classic-slots__image {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  margin-top: 30px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-slot-games-classic-slots__image--centered {
  margin-left: auto;
  margin-right: auto;
}

.page-slot-games-classic-slots__dark-bg {
  background-color: var(--deep-green);
}

.page-slot-games-classic-slots__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.page-slot-games-classic-slots__grid--two-columns {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.page-slot-games-classic-slots__card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-slot-games-classic-slots__card-title {
  color: var(--text-main);
  font-size: 1.3em;
  margin-bottom: 15px;
}

.page-slot-games-classic-slots__card-text {
  color: var(--text-secondary);
  font-size: 0.95em;
  flex-grow: 1;
}

.page-slot-games-classic-slots__card-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 15px;
}

.page-slot-games-classic-slots__game-list {
  list-style: none;
  padding: 0;
  margin: 40px 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.page-slot-games-classic-slots__game-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-slot-games-classic-slots__game-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-slot-games-classic-slots__game-link {
  text-decoration: none;
  display: block;
  color: inherit;
  padding-bottom: 20px;
}

.page-slot-games-classic-slots__game-thumbnail {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--border-color);
}

.page-slot-games-classic-slots__game-title {
  color: var(--text-main);
  font-size: 1.25em;
  padding: 15px 20px 5px;
  margin: 0;
}

.page-slot-games-classic-slots__game-description {
  color: var(--text-secondary);
  font-size: 0.9em;
  padding: 0 20px;
  margin: 0;
}

.page-slot-games-classic-slots__guide-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-slot-games-classic-slots__guide-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.page-slot-games-classic-slots__guide-step-title {
  color: var(--gold-color);
  font-size: 1.4em;
  margin-bottom: 10px;
}

.page-slot-games-classic-slots__guide-step-text {
  color: var(--text-secondary);
}

.page-slot-games-classic-slots__tips-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-slot-games-classic-slots__tips-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.page-slot-games-classic-slots__tips-title {
  color: var(--text-main);
  font-size: 1.3em;
  margin-bottom: 10px;
}

.page-slot-games-classic-slots__tips-text {
  color: var(--text-secondary);
}

.page-slot-games-classic-slots__faq-list {
  margin-top: 40px;
}

.page-slot-games-classic-slots__faq-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-slot-games-classic-slots__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  color: var(--text-main);
  font-weight: bold;
  font-size: 1.15em;
  transition: background-color 0.3s ease;
}

.page-slot-games-classic-slots__faq-question:hover {
  background-color: rgba(46, 122, 78, 0.2);
}

.page-slot-games-classic-slots__faq-item[open] > .page-slot-games-classic-slots__faq-question {
  background-color: var(--primary-color);
  color: #ffffff;
}

.page-slot-games-classic-slots__faq-qtext {
  flex-grow: 1;
}

.page-slot-games-classic-slots__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
}

.page-slot-games-classic-slots__faq-item[open] .page-slot-games-classic-slots__faq-toggle {
  content: '−';
}

.page-slot-games-classic-slots__faq-answer {
  padding: 0 25px 20px;
  color: var(--text-secondary);
  font-size: 1em;
}

.page-slot-games-classic-slots__faq-answer p {
  margin-bottom: 0;
}

.page-slot-games-classic-slots__conclusion-section {
  text-align: center;
}

.page-slot-games-classic-slots__conclusion-section .page-slot-games-classic-slots__text-block {
  font-size: 1.2em;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* ========================================= */
/* Responsive Design - Mobile */
/* ========================================= */
@media (max-width: 768px) {
  .page-slot-games-classic-slots {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-slot-games-classic-slots h2 {
    font-size: 2em;
  }

  .page-slot-games-classic-slots h3 {
    font-size: 1.5em;
  }

  .page-slot-games-classic-slots__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important;
  }

  .page-slot-games-classic-slots__main-title {
    font-size: clamp(1.8em, 8vw, 2.5em);
  }

  .page-slot-games-classic-slots__hero-description {
    font-size: 1em;
  }

  .page-slot-games-classic-slots__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-slot-games-classic-slots__btn-primary,
  .page-slot-games-classic-slots__btn-secondary,
  .page-slot-games-classic-slots a[class*="button"],
  .page-slot-games-classic-slots a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
  }

  .page-slot-games-classic-slots__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-slot-games-classic-slots__section {
    padding: 40px 0;
  }

  .page-slot-games-classic-slots__text-block {
    font-size: 1em;
  }

  .page-slot-games-classic-slots img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-slot-games-classic-slots__section,
  .page-slot-games-classic-slots__card,
  .page-slot-games-classic-slots__container,
  .page-slot-games-classic-slots__video-section,
  .page-slot-games-classic-slots__video-container,
  .page-slot-games-classic-slots__video-wrapper,
  .page-slot-games-classic-slots__cta-buttons,
  .page-slot-games-classic-slots__button-group,
  .page-slot-games-classic-slots__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .page-slot-games-classic-slots__grid,
  .page-slot-games-classic-slots__grid--two-columns {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-slot-games-classic-slots__card {
    padding: 20px;
  }

  .page-slot-games-classic-slots__game-list {
    grid-template-columns: 1fr;
  }

  .page-slot-games-classic-slots__game-thumbnail {
    height: 180px;
  }

  .page-slot-games-classic-slots__faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }

  .page-slot-games-classic-slots__faq-answer {
    padding: 0 20px 15px;
  }
}