.page-su-kien-giai-dau {
  color: #FFF6D6;
  background-color: #0A0A0A;
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-su-kien-giai-dau__container {
  max-width: 1170px;
  margin: 0 auto;
  padding: 0 16px;
  box-sizing: border-box;
}

.page-su-kien-giai-dau__section-title {
  font-size: 2.5em;
  font-weight: bold;
  text-align: center;
  margin-bottom: 40px;
  color: #F2C14E;
  position: relative;
  padding-bottom: 10px;
}

.page-su-kien-giai-dau__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #FFD36B, #F2C14E);
  border-radius: 2px;
}

.page-su-kien-giai-dau__text-block {
  margin-bottom: 20px;
  line-height: 1.8;
  text-align: justify;
}

.page-su-kien-giai-dau__hero-section {
  padding-top: 10px; /* Rely on body padding for header offset */
  padding-bottom: 60px;
  background-color: #0A0A0A;
}

.page-su-kien-giai-dau__hero-container {
  max-width: 1170px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  padding: 40px 16px;
  box-sizing: border-box;
}

.page-su-kien-giai-dau__hero-image {
  width: 100%;
  text-align: center;
}

.page-su-kien-giai-dau__hero-image img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-su-kien-giai-dau__hero-content {
  text-align: center;
  max-width: 800px;
}

.page-su-kien-giai-dau__main-title {
  font-size: 2.8em;
  font-weight: 700;
  color: #F2C14E;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-su-kien-giai-dau__description {
  font-size: 1.2em;
  color: #FFF6D6;
  margin-bottom: 30px;
}

.page-su-kien-giai-dau__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-su-kien-giai-dau__btn-primary,
.page-su-kien-giai-dau__btn-secondary,
.page-su-kien-giai-dau__btn-small {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  text-align: center;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-su-kien-giai-dau__btn-primary {
  background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
  color: #FFF6D6;
  border: none;
  box-shadow: 0 4px 15px rgba(242, 193, 78, 0.4);
}

.page-su-kien-giai-dau__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(242, 193, 78, 0.6);
}

.page-su-kien-giai-dau__btn-secondary {
  background-color: transparent;
  color: #F2C14E;
  border: 2px solid #F2C14E;
  box-shadow: 0 4px 15px rgba(242, 193, 78, 0.2);
}

.page-su-kien-giai-dau__btn-secondary:hover {
  background-color: #F2C14E;
  color: #0A0A0A;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(242, 193, 78, 0.4);
}

.page-su-kien-giai-dau__intro-section,
.page-su-kien-giai-dau__features-section,
.page-su-kien-giai-dau__guide-section,
.page-su-kien-giai-dau__events-schedule-section,
.page-su-kien-giai-dau__winners-section,
.page-su-kien-giai-dau__faq-section,
.page-su-kien-giai-dau__cta-banner-section {
  padding: 60px 0;
  background-color: #0A0A0A;
}

.page-su-kien-giai-dau__features-section .page-su-kien-giai-dau__container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-su-kien-giai-dau__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
  width: 100%;
}

.page-su-kien-giai-dau__feature-item {
  background-color: #111111;
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid #3A2A12;
  transition: transform 0.3s ease;
}

.page-su-kien-giai-dau__feature-item:hover {
  transform: translateY(-5px);
}

.page-su-kien-giai-dau__icon-box-media {
  width: 200px;
  height: 200px;
  aspect-ratio: 1/1;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid #F2C14E;
  box-shadow: 0 0 15px #FFD36B;
}

.page-su-kien-giai-dau__icon-box-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.page-su-kien-giai-dau__feature-title {
  font-size: 1.5em;
  color: #F2C14E;
  margin-bottom: 15px;
}

.page-su-kien-giai-dau__feature-description {
  color: #FFF6D6;
}

.page-su-kien-giai-dau__guide-content {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  margin-top: 40px;
}

.page-su-kien-giai-dau__guide-text {
  flex: 1;
}

.page-su-kien-giai-dau__guide-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-su-kien-giai-dau__guide-list li {
  background-color: #111111;
  border: 1px solid #3A2A12;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 15px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.page-su-kien-giai-dau__list-title {
  font-size: 1.3em;
  color: #F2C14E;
  margin-bottom: 10px;
}

.page-su-kien-giai-dau__guide-list p {
  color: #FFF6D6;
  line-height: 1.7;
  margin-bottom: 0;
}

.page-su-kien-giai-dau__guide-list a {
  color: #FFD36B;
  text-decoration: none;
  font-weight: bold;
}

.page-su-kien-giai-dau__guide-list a:hover {
  text-decoration: underline;
}

.page-su-kien-giai-dau__guide-image {
  flex: 0 0 40%;
  text-align: center;
}

.page-su-kien-giai-dau__guide-image img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.page-su-kien-giai-dau__events-schedule-section .page-su-kien-giai-dau__container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-su-kien-giai-dau__schedule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
  width: 100%;
}

.page-su-kien-giai-dau__card {
  background-color: #111111;
  border: 1px solid #3A2A12;
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  color: #FFF6D6;
}

.page-su-kien-giai-dau__schedule-item {
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}

.page-su-kien-giai-dau__schedule-title {
  font-size: 1.4em;
  color: #F2C14E;
  margin-bottom: 10px;
}

.page-su-kien-giai-dau__schedule-date,
.page-su-kien-giai-dau__schedule-prize {
  color: #FFD36B;
  margin-bottom: 15px;
}

.page-su-kien-giai-dau__btn-small {
  padding: 10px 20px;
  font-size: 0.9em;
  background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
  color: #FFF6D6;
  border: none;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(242, 193, 78, 0.3);
}

.page-su-kien-giai-dau__btn-small:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(242, 193, 78, 0.5);
}

.page-su-kien-giai-dau__winners-section .page-su-kien-giai-dau__container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-su-kien-giai-dau__winner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
  width: 100%;
}

.page-su-kien-giai-dau__winner-item {
  text-align: center;
  padding: 20px;
}

.page-su-kien-giai-dau__winner-item img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  margin-bottom: 15px;
  border: 2px solid #F2C14E;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
}

.page-su-kien-giai-dau__winner-name {
  font-size: 1.3em;
  color: #F2C14E;
  margin-bottom: 8px;
}

.page-su-kien-giai-dau__winner-prize,
.page-su-kien-giai-dau__winner-event {
  color: #FFF6D6;
}

.page-su-kien-giai-dau__faq-section .page-su-kien-giai-dau__container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-su-kien-giai-dau__faq-list {
  width: 100%;
  max-width: 900px;
  margin-top: 40px;
}

.page-su-kien-giai-dau__faq-item {
  background-color: #111111;
  border: 1px solid #3A2A12;
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
  color: #FFF6D6;
}

.page-su-kien-giai-dau__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  font-size: 1.2em;
  font-weight: bold;
  color: #F2C14E;
  list-style: none;
}

.page-su-kien-giai-dau__faq-question::-webkit-details-marker {
  display: none;
}

.page-su-kien-giai-dau__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 10px;
  color: #FFD36B;
}

.page-su-kien-giai-dau__faq-answer {
  padding: 0 20px 20px;
  color: #FFF6D6;
  line-height: 1.7;
  border-top: 1px solid rgba(58, 42, 18, 0.5);
}

details.page-su-kien-giai-dau__faq-item[open] .page-su-kien-giai-dau__faq-answer {
  animation: fadein 0.3s ease-in-out;
}

@keyframes fadein {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-su-kien-giai-dau__cta-banner-section {
  padding: 80px 0;
  text-align: center;
}

.page-su-kien-giai-dau__cta-banner-section .page-su-kien-giai-dau__card {
  padding: 50px;
  background-color: #111111;
  border: 2px solid #F2C14E;
  box-shadow: 0 0 25px #FFD36B;
}

.page-su-kien-giai-dau__cta-banner-title {
  font-size: 2.2em;
  color: #F2C14E;
  margin-bottom: 20px;
}

.page-su-kien-giai-dau__cta-banner-description {
  font-size: 1.1em;
  color: #FFF6D6;
  margin-bottom: 30px;
}

.page-su-kien-giai-dau__cta-banner-description a {
  color: #FFD36B;
  text-decoration: none;
  font-weight: bold;
}

.page-su-kien-giai-dau__cta-banner-description a:hover {
  text-decoration: underline;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-su-kien-giai-dau__main-title {
    font-size: 2.5em;
  }
  .page-su-kien-giai-dau__section-title {
    font-size: 2em;
  }
  .page-su-kien-giai-dau__guide-content {
    flex-direction: column;
    align-items: center;
  }
  .page-su-kien-giai-dau__guide-image {
    flex: none;
    margin-top: 30px;
  }
  .page-su-kien-giai-dau__guide-image img {
    max-width: 80%;
  }
}

@media (max-width: 768px) {
  .page-su-kien-giai-dau__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
  }
  .page-su-kien-giai-dau__hero-container {
    padding: 20px 15px;
  }
  .page-su-kien-giai-dau__hero-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-su-kien-giai-dau__main-title {
    font-size: 2em;
  }
  .page-su-kien-giai-dau__description {
    font-size: 1em;
  }
  .page-su-kien-giai-dau__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }
  .page-su-kien-giai-dau__btn-primary,
  .page-su-kien-giai-dau__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px;
    font-size: 0.95em;
  }
  
  .page-su-kien-giai-dau__intro-section,
  .page-su-kien-giai-dau__features-section,
  .page-su-kien-giai-dau__guide-section,
  .page-su-kien-giai-dau__events-schedule-section,
  .page-su-kien-giai-dau__winners-section,
  .page-su-kien-giai-dau__faq-section,
  .page-su-kien-giai-dau__cta-banner-section {
    padding: 40px 0;
  }
  .page-su-kien-giai-dau__container {
    padding-left: 15px !important;
    padding-right: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .page-su-kien-giai-dau__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }
  .page-su-kien-giai-dau__feature-grid {
    grid-template-columns: 1fr;
  }
  .page-su-kien-giai-dau__icon-box-media {
    width: 180px;
    height: 180px;
    border-width: 3px;
  }
  .page-su-kien-giai-dau__icon-box-media img {
    max-width: 100% !important;
    width: 100% !important;
    height: 100% !important; /* Keep height 100% for round shape */
    object-fit: cover !important;
  }
  .page-su-kien-giai-dau__guide-content {
    gap: 30px;
  }
  .page-su-kien-giai-dau__guide-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-su-kien-giai-dau__schedule-grid {
    grid-template-columns: 1fr;
  }
  .page-su-kien-giai-dau__winner-grid {
    grid-template-columns: 1fr;
  }
  .page-su-kien-giai-dau__winner-item img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-su-kien-giai-dau__faq-list {
    max-width: 100%;
  }
  .page-su-kien-giai-dau__faq-question {
    font-size: 1.1em;
    padding: 15px;
  }
  .page-su-kien-giai-dau__faq-answer {
    padding: 0 15px 15px;
  }
  .page-su-kien-giai-dau__cta-banner-section .page-su-kien-giai-dau__card {
    padding: 30px 15px;
  }
  .page-su-kien-giai-dau__cta-banner-title {
    font-size: 1.8em;
  }
  .page-su-kien-giai-dau__cta-banner-description {
    font-size: 1em;
  }
  .page-su-kien-giai-dau img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-su-kien-giai-dau__cta-buttons {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }
  .page-su-kien-giai-dau__btn-primary,
  .page-su-kien-giai-dau__btn-secondary,
  .page-su-kien-giai-dau a[class*="button"],
  .page-su-kien-giai-dau a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }
}