/* style/xo-so.css */

/* Biến CSS */
:root {
  --page-xo-so-primary-color: #FFD700;
  --page-xo-so-secondary-color: #1A202C;
  --page-xo-so-text-light: #F0F2F5;
  --page-xo-so-text-dark: #1A202C;
  --page-xo-so-accent-color: #0028ff; /* Dựa trên màu bổ sung của primary */
  --page-xo-so-background-dark: #1A202C;
  --page-xo-so-background-light: #F0F2F5;
}

.page-xo-so {
  font-family: 'Arial', sans-serif;
  color: var(--page-xo-so-text-light);
  background-color: var(--page-xo-so-background-dark);
  line-height: 1.6;
}

.page-xo-so__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-xo-so__section-title {
  font-size: 2.5em;
  color: var(--page-xo-so-primary-color);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.page-xo-so__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--page-xo-so-primary-color);
  border-radius: 2px;
}

.page-xo-so__section-description {
  text-align: center;
  font-size: 1.1em;
  margin-bottom: 60px;
  color: var(--page-xo-so-text-light);
}

.page-xo-so__btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  text-align: center;
  cursor: pointer;
  border: none;
}

.page-xo-so__btn--primary {
  background-color: var(--page-xo-so-primary-color);
  color: var(--page-xo-so-secondary-color);
}

.page-xo-so__btn--primary:hover {
  background-color: #e6c200;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(255, 215, 0, 0.4);
}

.page-xo-so__btn--secondary {
  background-color: transparent;
  color: var(--page-xo-so-primary-color);
  border: 2px solid var(--page-xo-so-primary-color);
}

.page-xo-so__btn--secondary:hover {
  background-color: var(--page-xo-so-primary-color);
  color: var(--page-xo-so-secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(255, 215, 0, 0.4);
}

.page-xo-so__btn--small {
  padding: 8px 15px;
  font-size: 0.9em;
  background-color: var(--page-xo-so-primary-color);
  color: var(--page-xo-so-secondary-color);
}

.page-xo-so__btn--small:hover {
  background-color: #e6c200;
  transform: translateY(-1px);
}

.page-xo-so__btn--app {
  background-color: var(--page-xo-so-text-light);
  color: var(--page-xo-so-secondary-color);
  margin: 10px;
  min-width: 180px;
}

.page-xo-so__btn--app:hover {
  background-color: #dcdcdc;
}

/* Hero Section */
.page-xo-so__hero-section {
  background: linear-gradient(135deg, var(--page-xo-so-secondary-color) 0%, #3a3f4c 100%);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-xo-so__hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%232a303c" fill-opacity="0.4"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zm0 15v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zM2 2l-2 2v4l2 2h4l2-2V4L4 2H2zm0 15l-2 2v4l2 2h4l2-2V19L4 17H2zm0 15l-2 2v4l2 2h4l2-2V34L4 32H2zM40 0L36 4h4l4-4h-4zm-4 40L32 44h4l4-4h-4zm8-40L40 4h4l4-4h-4zm-4 40L36 44h4l4-4h-4zM20 2l-2 2v4l2 2h4l2-2V4L24 2h-4zm0 15l-2 2v4l2 2h4l2-2V19L24 17h-4zm0 15l-2 2v4l2 2h4l2-2V34L24 32h-4zm-4-20L12 16h4l4-4h-4zm8 0l-4 4h4l4-4h-4zm-4 8l-4 4h4l4-4h-4z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
  opacity: 0.1;
  z-index: 0;
}

.page-xo-so__hero-section .page-xo-so__container {
  position: relative;
  z-index: 1;
}

.page-xo-so__hero-title {
  font-size: 3.8em;
  color: var(--page-xo-so-primary-color);
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-xo-so__hero-description {
  font-size: 1.3em;
  color: var(--page-xo-so-text-light);
  max-width: 800px;
  margin: 0 auto 40px;
}

.page-xo-so__hero-section .page-xo-so__btn {
  font-size: 1.2em;
  padding: 15px 35px;
  margin-bottom: 30px;
}

.page-xo-so__hero-image {
  max-width: 100%;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  margin-top: 30px;
}

/* Intro Section */
.page-xo-so__intro-section {
  padding: 80px 0;
  background-color: var(--page-xo-so-background-dark);
}

.page-xo-so__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

.page-xo-so__feature-item {
  background-color: #2a303c;
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-xo-so__feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-xo-so__feature-icon {
  width: 70px;
  height: 70px;
  margin-bottom: 20px;
  object-fit: contain;
}

.page-xo-so__feature-title {
  font-size: 1.5em;
  color: var(--page-xo-so-primary-color);
  margin-bottom: 15px;
}

.page-xo-so__feature-text {
  color: var(--page-xo-so-text-light);
  font-size: 1em;
}

/* Game Types Section */
.page-xo-so__game-types {
  padding: 80px 0;
  background-color: #242a35;
}

.page-xo-so__game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-xo-so__game-card {
  background-color: #2a303c;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-xo-so__game-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-xo-so__game-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.page-xo-so__game-card h3 {
  font-size: 1.4em;
  color: var(--page-xo-so-primary-color);
  padding: 20px 20px 10px;
}

.page-xo-so__game-card p {
  color: var(--page-xo-so-text-light);
  padding: 0 20px 15px;
  flex-grow: 1;
}

.page-xo-so__game-details {
  list-style: none;
  padding: 0 20px 15px;
  margin: 0;
  color: var(--page-xo-so-text-light);
  font-size: 0.95em;
}

.page-xo-so__game-details li {
  margin-bottom: 5px;
}

.page-xo-so__game-card .page-xo-so__btn {
  margin: 0 20px 20px;
  align-self: flex-start;
}

/* Guide Section */
.page-xo-so__guide-section {
  padding: 80px 0;
  background-color: var(--page-xo-so-background-dark);
  text-align: center;
}

.page-xo-so__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-bottom: 60px;
}

.page-xo-so__step-item {
  background-color: #2a303c;
  padding: 35px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  position: relative;
  text-align: left;
}

.page-xo-so__step-number {
  width: 50px;
  height: 50px;
  background-color: var(--page-xo-so-primary-color);
  color: var(--page-xo-so-secondary-color);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2em;
  font-weight: bold;
  position: absolute;
  top: -25px;
  left: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.page-xo-so__step-title {
  font-size: 1.6em;
  color: var(--page-xo-so-primary-color);
  margin-bottom: 15px;
  padding-top: 30px; /* Adjust for step number */
}

.page-xo-so__step-text {
  color: var(--page-xo-so-text-light);
  margin-bottom: 20px;
}

.page-xo-so__guide-image {
  max-width: 90%;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* Tips Section */
.page-xo-so__tips-section {
  padding: 80px 0;
  background-color: #242a35;
}

.page-xo-so__tips-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-xo-so__tips-list li {
  background-color: #2a303c;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-xo-so__tips-list li:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-xo-so__tip-title {
  font-size: 1.5em;
  color: var(--page-xo-so-primary-color);
  margin-bottom: 15px;
}

.page-xo-so__tip-text {
  color: var(--page-xo-so-text-light);
  font-size: 1em;
}

/* Promo Section */
.page-xo-so__promo-section {
  padding: 80px 0;
  background-color: var(--page-xo-so-background-dark);
  text-align: center;
}

.page-xo-so__promo-description {
  font-size: 1.1em;
  color: var(--page-xo-so-text-light);
  margin-bottom: 50px;
}

.page-xo-so__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

.page-xo-so__promo-card {
  background-color: #2a303c;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
  padding-bottom: 20px;
}

.page-xo-so__promo-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-xo-so__promo-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  margin-bottom: 20px;
}

.page-xo-so__promo-title {
  font-size: 1.4em;
  color: var(--page-xo-so-primary-color);
  margin-bottom: 10px;
  padding: 0 20px;
}

.page-xo-so__promo-text {
  color: var(--page-xo-so-text-light);
  padding: 0 20px;
}

/* App Section */
.page-xo-so__app-section {
  padding: 80px 0;
  background-color: #242a35;
}

.page-xo-so__app-section .page-xo-so__container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 40px;
}

.page-xo-so__app-content {
  flex: 1;
  min-width: 300px;
  max-width: 600px;
  text-align: left;
}

.page-xo-so__app-content .page-xo-so__section-title {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}

.page-xo-so__app-content .page-xo-so__section-title::after {
  left: 0;
  transform: translateX(0);
}

.page-xo-so__app-description {
  font-size: 1.1em;
  color: var(--page-xo-so-text-light);
  margin-bottom: 30px;
}

.page-xo-so__app-benefits {
  list-style: none;
  padding: 0;
  margin-bottom: 40px;
}

.page-xo-so__app-benefits li {
  color: var(--page-xo-so-text-light);
  font-size: 1.05em;
  margin-bottom: 10px;
  position: relative;
  padding-left: 25px;
}

.page-xo-so__app-benefits li::before {
  content: '✓';
  color: var(--page-xo-so-primary-color);
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-xo-so__app-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.page-xo-so__app-image {
  max-width: 400px;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* Conclusion Section */
.page-xo-so__conclusion-section {
  padding: 80px 0;
  background-color: var(--page-xo-so-background-dark);
  text-align: center;
}

.page-xo-so__conclusion-text {
  font-size: 1.15em;
  color: var(--page-xo-so-text-light);
  max-width: 900px;
  margin: 0 auto 50px;
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-xo-so__hero-title {
    font-size: 3em;
  }
  .page-xo-so__section-title {
    font-size: 2em;
  }
  .page-xo-so__app-section .page-xo-so__container {
    flex-direction: column-reverse;
  }
  .page-xo-so__app-content {
    text-align: center;
  }
  .page-xo-so__app-content .page-xo-so__section-title {
    text-align: center;
  }
  .page-xo-so__app-content .page-xo-so__section-title::after {
    left: 50%;
    transform: translateX(-50%);
  }
  .page-xo-so__app-buttons {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .page-xo-so__hero-title {
    font-size: 2.5em;
  }
  .page-xo-so__hero-description {
    font-size: 1em;
  }
  .page-xo-so__section-title {
    font-size: 1.8em;
  }
  .page-xo-so__features-grid,
  .page-xo-so__game-grid,
  .page-xo-so__guide-steps,
  .page-xo-so__tips-list,
  .page-xo-so__promo-grid {
    grid-template-columns: 1fr;
  }
  .page-xo-so__step-item {
    padding-top: 50px; /* More space for number */
  }
  .page-xo-so__step-number {
    left: 50%;
    transform: translateX(-50%);
  }
  .page-xo-so__step-title {
    padding-top: 10px;
    text-align: center;
  }
  .page-xo-so__step-text {
    text-align: center;
  }
  .page-xo-so__step-item .page-xo-so__btn {
    margin: 0 auto;
    display: block;
  }
}

@media (max-width: 480px) {
  .page-xo-so__hero-title {
    font-size: 2em;
  }
  .page-xo-so__hero-section,
  .page-xo-so__intro-section,
  .page-xo-so__game-types,
  .page-xo-so__guide-section,
  .page-xo-so__tips-section,
  .page-xo-so__promo-section,
  .page-xo-so__app-section,
  .page-xo-so__conclusion-section {
    padding: 60px 0;
  }
  .page-xo-so__btn {
    width: 100%;
    padding: 12px 0;
  }
  .page-xo-so__app-buttons {
    flex-direction: column;
  }
  .page-xo-so__app-buttons .page-xo-so__btn {
    margin: 0;
  }
}