/* style/about.css */

/* Biến màu sắc */
:root {
  --rr88-primary-color: #11A84E;
  --rr88-secondary-color: #22C768;
  --rr88-text-main: #F2FFF6;
  --rr88-text-secondary: #A7D9B8;
  --rr88-bg-card: #11271B;
  --rr88-bg-body: #08160F;
  --rr88-border-color: #2E7A4E;
  --rr88-glow-color: #57E38D;
  --rr88-gold-color: #F2C14E;
  --rr88-divider-color: #1E3A2A;
  --rr88-deep-green: #0A4B2C;
  --rr88-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

.page-about {
  color: var(--rr88-text-main); /* Body background is dark, so text is light */
  background-color: var(--rr88-bg-body);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-about__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 20px 60px; /* Small top padding, more bottom padding */
  text-align: center;
  overflow: hidden;
  box-sizing: border-box;
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  max-height: 675px;
  object-fit: cover;
  display: block;
  margin-bottom: 30px;
}

.page-about__hero-content {
  max-width: 900px;
  margin: 0 auto;
  z-index: 1;
}

.page-about__main-title {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--rr88-text-main);
  margin-bottom: 20px;
  font-size: clamp(2.2rem, 4vw, 3.5rem);
}

.page-about__description {
  font-size: 1.15rem;
  color: var(--rr88-text-secondary);
  margin-bottom: 30px;
}

.page-about__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  box-sizing: border-box;
}

.page-about__btn-primary,
.page-about__btn-secondary,
.page-about__btn-tertiary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-about__btn-primary {
  background: var(--rr88-button-gradient);
  color: var(--rr88-text-main);
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-about__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-about__btn-secondary {
  background: var(--rr88-bg-card);
  color: var(--rr88-secondary-color);
  border: 2px solid var(--rr88-secondary-color);
}

.page-about__btn-secondary:hover {
  background: var(--rr88-secondary-color);
  color: var(--rr88-text-main);
  transform: translateY(-2px);
}

.page-about__btn-tertiary {
  background: transparent;
  color: var(--rr88-text-secondary);
  border: 2px solid var(--rr88-divider-color);
}

.page-about__btn-tertiary:hover {
  background: var(--rr88-divider-color);
  color: var(--rr88-text-main);
  transform: translateY(-2px);
}

.page-about__content-section,
.page-about__features-section,
.page-about__values-section,
.page-about__join-section {
  padding: 80px 20px;
  box-sizing: border-box;
}

.page-about__container {
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
}

.page-about__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--rr88-text-main);
  text-align: center;
  margin-bottom: 40px;
  line-height: 1.3;
}

.page-about__text-block {
  font-size: 1.05rem;
  color: var(--rr88-text-secondary);
  margin-bottom: 25px;
  text-align: justify;
}

.page-about__image-inline {
  width: 100%;
  height: auto;
  display: block;
  margin: 40px auto;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  object-fit: cover;
}

.page-about__dark-section {
  background-color: var(--rr88-bg-body);
  color: var(--rr88-text-main);
}

.page-about__light-bg {
  background-color: #0d1a13; /* slightly lighter dark for contrast */
  color: var(--rr88-text-main);
}

.page-about__features-section .page-about__section-title {
  color: var(--rr88-text-main);
}

.page-about__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-about__feature-card {
  background-color: var(--rr88-bg-card);
  border-radius: 12px;
  padding: 30px;
  text-align: left;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--rr88-border-color);
}

.page-about__card-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--rr88-text-main);
  margin-bottom: 15px;
}

.page-about__card-text {
  font-size: 1rem;
  color: var(--rr88-text-secondary);
}

.page-about__value-list {
  list-style: none;
  padding: 0;
  margin-top: 40px;
}

.page-about__value-item {
  background-color: var(--rr88-bg-card);
  border-left: 5px solid var(--rr88-primary-color);
  padding: 25px;
  margin-bottom: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.page-about__value-heading {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--rr88-text-main);
  margin-bottom: 10px;
}

.page-about__value-text {
  font-size: 1rem;
  color: var(--rr88-text-secondary);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-about__main-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }
  .page-about__description {
    font-size: 1.1rem;
  }
  .page-about__section-title {
    font-size: clamp(1.6rem, 3.8vw, 2.5rem);
  }
  .page-about__hero-section {
    padding-bottom: 50px;
  }
}

@media (max-width: 768px) {
  .page-about {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-about__hero-section {
    padding: 10px 15px 40px; /* body already handles header offset */
  }
  .page-about__hero-content {
    padding: 0 15px;
  }
  .page-about__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }
  .page-about__description {
    font-size: 1rem;
  }
  .page-about__cta-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-about__btn-primary,
  .page-about__btn-secondary,
  .page-about__btn-tertiary {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px;
    font-size: 1rem;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  .page-about__content-section,
  .page-about__features-section,
  .page-about__values-section,
  .page-about__join-section {
    padding: 50px 15px;
  }
  .page-about__container {
    padding-left: 15px;
    padding-right: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-about__section-title {
    font-size: clamp(1.5rem, 5vw, 2.2rem);
    margin-bottom: 30px;
  }
  .page-about__text-block {
    font-size: 0.95rem;
  }
  .page-about__image-inline {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    margin: 30px auto;
  }
  .page-about__feature-grid {
    grid-template-columns: 1fr;
  }
  .page-about__feature-card {
    padding: 25px;
  }
  .page-about__card-title {
    font-size: 1.3rem;
  }
  .page-about__value-item {
    padding: 20px;
  }
  .page-about__value-heading {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .page-about__main-title {
    font-size: clamp(1.6rem, 7vw, 2.2rem);
  }
  .page-about__description {
    font-size: 0.95rem;
  }
  .page-about__section-title {
    font-size: clamp(1.3rem, 6vw, 1.8rem);
  }
  .page-about__hero-image {
    max-height: 400px;
  }
}