.page-su-kien {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light background */
  background-color: #FFFFFF;
}

.page-su-kien__hero-section {
  padding-top: 10px; /* Small top padding, assuming body handles header offset */
  padding-bottom: 40px;
  background: linear-gradient(to right, #26A9E0, #4CAF50);
  color: #FFFFFF;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-su-kien__hero-image-wrapper {
  width: 100%;
  max-width: 1200px; /* Constrain image width */
  margin-bottom: 20px;
}

.page-su-kien__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-su-kien__hero-content {
  max-width: 900px;
  padding: 0 20px;
}

.page-su-kien__main-title {
  font-size: clamp(2em, 4vw, 3.5em);
  font-weight: 700;
  margin-bottom: 15px;
  color: #FFFFFF;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.page-su-kien__hero-description {
  font-size: clamp(1em, 1.5vw, 1.25em);
  margin-bottom: 30px;
  color: #FFFFFF;
}

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

.page-su-kien__btn-primary,
.page-su-kien__btn-secondary {
  padding: 12px 25px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.3s ease;
  max-width: 100%; /* Ensure button responsiveness */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-su-kien__btn-primary {
  background-color: #EA7C07; /* Login color */
  color: #FFFFFF;
  border: 2px solid #EA7C07;
}

.page-su-kien__btn-primary:hover {
  background-color: #FF8C00;
  transform: translateY(-2px);
}

.page-su-kien__btn-secondary {
  background-color: #FFFFFF;
  color: #26A9E0; /* Primary brand color */
  border: 2px solid #26A9E0;
}

.page-su-kien__btn-secondary:hover {
  background-color: #E0F7FA;
  transform: translateY(-2px);
}

.page-su-kien__section {
  padding: 60px 0;
}

.page-su-kien__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-su-kien__section-title {
  font-size: clamp(1.8em, 3vw, 2.5em);
  font-weight: 700;
  text-align: center;
  margin-bottom: 30px;
  color: #26A9E0; /* Primary brand color */
}

.page-su-kien__section-title--white {
  color: #FFFFFF;
}

.page-su-kien__section-description {
  font-size: 1.1em;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
  color: #333333;
}

.page-su-kien__dark-bg {
  background-color: #26A9E0; /* Primary brand color */
  color: #FFFFFF;
}

.page-su-kien__dark-bg .page-su-kien__section-description {
  color: #FFFFFF;
}

.page-su-kien__light-bg {
  background-color: #FFFFFF;
  color: #333333;
}

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

.page-su-kien__event-card {
  background-color: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.page-su-kien__event-card-image {
  width: 100%;
  height: 220px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
}

.page-su-kien__event-card-content {
  padding: 25px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.page-su-kien__event-card-title {
  font-size: 1.4em;
  font-weight: bold;
  margin-bottom: 10px;
  color: #26A9E0; /* Primary brand color */
}

.page-su-kien__event-card-title a {
  color: #26A9E0;
  text-decoration: none;
}

.page-su-kien__event-card-title a:hover {
  text-decoration: underline;
}

.page-su-kien__event-card-date {
  font-size: 0.9em;
  color: #666666;
  margin-bottom: 15px;
}

.page-su-kien__event-card-description {
  font-size: 1em;
  color: #555555;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-su-kien__btn-outline {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  margin-top: auto;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-su-kien__btn-outline {
  border: 2px solid #26A9E0;
  color: #26A9E0;
  background-color: transparent;
}

.page-su-kien__btn-outline:hover {
  background-color: #26A9E0;
  color: #FFFFFF;
}

.page-su-kien__btn-outline--white {
  border: 2px solid #FFFFFF;
  color: #FFFFFF;
}

.page-su-kien__btn-outline--white:hover {
  background-color: #FFFFFF;
  color: #26A9E0;
}

.page-su-kien__view-all-events {
  text-align: center;
  margin-top: 50px;
}

.page-su-kien__upcoming-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-su-kien__upcoming-item {
  background-color: #F8F8F8;
  border-left: 5px solid #26A9E0;
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.page-su-kien__upcoming-title {
  font-size: 1.3em;
  font-weight: bold;
  color: #26A9E0;
  margin-bottom: 10px;
}

.page-su-kien__upcoming-date {
  font-size: 0.9em;
  color: #666666;
  margin-bottom: 15px;
}

.page-su-kien__upcoming-description {
  font-size: 1em;
  color: #555555;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-su-kien__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-su-kien__step-card {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  color: #FFFFFF;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.page-su-kien__step-number {
  font-size: 2.5em;
  font-weight: bold;
  color: #FFFFFF;
  margin-bottom: 15px;
  display: block;
  text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.3);
}

.page-su-kien__step-title {
  font-size: 1.4em;
  font-weight: bold;
  color: #FFFFFF;
  margin-bottom: 15px;
}

.page-su-kien__step-description {
  font-size: 1em;
  color: #E0E0E0;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-su-kien__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-su-kien__benefit-card {
  background-color: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  padding: 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.page-su-kien__benefit-icon {
  width: 100px;
  height: auto;
  margin: 0 auto 20px auto;
  display: block;
}

.page-su-kien__benefit-title {
  font-size: 1.3em;
  font-weight: bold;
  color: #26A9E0;
  margin-bottom: 10px;
}

.page-su-kien__benefit-description {
  font-size: 1em;
  color: #555555;
  flex-grow: 1;
}

.page-su-kien__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-su-kien__faq-item {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #FFFFFF;
}

.page-su-kien__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.1em;
  font-weight: bold;
  cursor: pointer;
  background-color: rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  list-style: none; /* For <details> */
}

.page-su-kien__faq-question::-webkit-details-marker {
  display: none;
}

.page-su-kien__faq-qtext {
  flex-grow: 1;
}

.page-su-kien__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  transition: transform 0.3s ease;
}

.page-su-kien__faq-item[open] .page-su-kien__faq-toggle {
  transform: rotate(45deg);
}

.page-su-kien__faq-answer {
  padding: 15px 25px 20px;
  font-size: 1em;
  color: #E0E0E0;
}

.page-su-kien__faq-answer p {
  margin-bottom: 0;
  color: #E0E0E0;
}

.page-su-kien__faq-answer a {
  color: #FFFFFF;
  text-decoration: underline;
}

.page-su-kien__cta-bottom-content {
  text-align: center;
}

.page-su-kien__cta-bottom .page-su-kien__section-description {
  margin-bottom: 30px;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-su-kien__hero-content {
    max-width: 760px;
  }
  .page-su-kien__event-grid,
  .page-su-kien__upcoming-list,
  .page-su-kien__steps-grid,
  .page-su-kien__benefits-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
  }
  .page-su-kien__event-card-image {
    height: 180px;
  }
}

@media (max-width: 768px) {
  .page-su-kien {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-su-kien__hero-section {
    padding-top: 10px !important; /* Ensure small top padding */
    padding-bottom: 30px;
  }

  .page-su-kien__main-title {
    font-size: 2.2em;
  }

  .page-su-kien__hero-description {
    font-size: 1em;
  }

  .page-su-kien__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }

  .page-su-kien__btn-primary,
  .page-su-kien__btn-secondary,
  .page-su-kien__btn-outline,
  .page-su-kien a[class*="button"],
  .page-su-kien 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;
  }

  .page-su-kien__section {
    padding: 40px 0;
  }

  .page-su-kien__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden;
  }

  .page-su-kien__section-title {
    font-size: 1.8em;
    margin-bottom: 20px;
  }

  .page-su-kien__section-description {
    font-size: 0.95em;
    margin-bottom: 25px;
  }

  .page-su-kien__event-grid,
  .page-su-kien__upcoming-list,
  .page-su-kien__steps-grid,
  .page-su-kien__benefits-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-su-kien__event-card-image {
    height: 160px;
  }

  .page-su-kien__event-card-title {
    font-size: 1.2em;
  }

  .page-su-kien__step-number {
    font-size: 2em;
  }

  .page-su-kien__step-title {
    font-size: 1.2em;
  }

  .page-su-kien__benefit-icon {
    width: 80px;
    margin-bottom: 15px;
  }

  .page-su-kien__benefit-title {
    font-size: 1.1em;
  }

  .page-su-kien__faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }

  .page-su-kien__faq-answer {
    padding: 10px 20px 15px;
    font-size: 0.95em;
  }

  /* General image responsiveness for all images */
  .page-su-kien img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  /* Containers that might hold images or cause overflow */
  .page-su-kien__section,
  .page-su-kien__card,
  .page-su-kien__container,
  .page-su-kien__hero-image-wrapper,
  .page-su-kien__event-card,
  .page-su-kien__upcoming-item,
  .page-su-kien__step-card,
  .page-su-kien__benefit-card,
  .page-su-kien__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-su-kien__hero-image-wrapper {
    padding: 0;
  }
  .page-su-kien__event-card,
  .page-su-kien__upcoming-item,
  .page-su-kien__step-card,
  .page-su-kien__benefit-card,
  .page-su-kien__faq-item {
    padding-left: 20px;
    padding-right: 20px;
  }
}