/* Biến màu sắc */
:root {
  --primary-color: #FF8C1A;
  --secondary-color: #FFA53A;
  --background-dark: #0D0E12;
  --card-bg: #17191F;
  --text-light: #FFF3E6;
  --border-color: #A84F0C;
  --glow-color: #FFB04D;
  --deep-orange: #D96800;
}

.page-contact {
  font-family: 'Arial', sans-serif;
  color: var(--text-light); /* Mặc định màu chữ sáng trên nền tối */
  background-color: var(--background-dark);
  line-height: 1.6;
}

.page-contact__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 15px;
}

.page-contact__section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--secondary-color);
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-contact__section-description {
  font-size: 17px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px auto;
  color: rgba(255, 243, 230, 0.8);
}

.page-contact__cta-button {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  transition: all 0.3s ease;
  text-align: center;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-contact__btn-primary {
  background: linear-gradient(180deg, var(--secondary-color) 0%, var(--deep-orange) 100%);
  color: var(--text-light);
  border: none;
}

.page-contact__btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 165, 58, 0.4);
}

.page-contact__btn-secondary {
  background: transparent;
  color: var(--secondary-color);
  border: 2px solid var(--secondary-color);
}

.page-contact__btn-secondary:hover {
  background: var(--secondary-color);
  color: var(--background-dark);
  box-shadow: 0 5px 15px rgba(255, 165, 58, 0.2);
}

/* HERO SECTION */
.page-contact__hero-section {
  padding-top: 10px; /* Minimal top padding, relies on body padding-top for header offset */
  background-color: var(--background-dark);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.page-contact__hero-content {
  position: relative;
  z-index: 2;
  padding: 40px 15px 20px;
  max-width: 900px;
  margin: 0 auto;
}

.page-contact__main-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 15px;
  line-height: 1.2;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.page-contact__hero-description {
  font-size: 19px;
  color: rgba(255, 243, 230, 0.9);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-contact__hero-image-wrapper {
  margin-top: 30px;
  position: relative;
  z-index: 1;
}

.page-contact__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

/* INFO SECTION */
.page-contact__info-section {
  padding: 60px 0;
  background-color: var(--background-dark);
}

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

.page-contact__info-item {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}

.page-contact__info-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 15px;
  line-height: 1.3;
}

.page-contact__info-text {
  font-size: 16px;
  color: rgba(255, 243, 230, 0.7);
  margin-bottom: 25px;
  flex-grow: 1;
}

/* FORM SECTION */
.page-contact__form-section {
  padding: 60px 0;
  background-color: var(--background-dark);
}

.page-contact__form-wrapper {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.page-contact__contact-form {
  flex: 1;
  background-color: var(--card-bg);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  border: 1px solid var(--border-color);
}

.page-contact__form-group {
  margin-bottom: 20px;
}

.page-contact__form-label {
  display: block;
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 8px;
  font-weight: 600;
}

.page-contact__form-input,
.page-contact__form-textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-light);
  font-size: 16px;
  box-sizing: border-box;
}

.page-contact__form-input::placeholder,
.page-contact__form-textarea::placeholder {
  color: rgba(255, 243, 230, 0.5);
}

.page-contact__form-input:focus,
.page-contact__form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255, 140, 26, 0.3);
}

.page-contact__form-textarea {
  resize: vertical;
}

.page-contact__form-image-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-contact__form-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  object-fit: cover;
}

/* WHY CONTACT SECTION */
.page-contact__why-contact-section {
  padding: 60px 0;
  background-color: var(--background-dark);
}

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

.page-contact__benefit-item {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  border: 1px solid var(--border-color);
  text-align: center;
}

.page-contact__benefit-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.page-contact__benefit-text {
  font-size: 16px;
  color: rgba(255, 243, 230, 0.7);
}

/* FAQ SECTION */
.page-contact__faq-section {
  padding: 60px 0;
  background-color: var(--background-dark);
}

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

details.page-contact__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  background-color: var(--card-bg);
}

details.page-contact__faq-item summary.page-contact__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}

details.page-contact__faq-item summary.page-contact__faq-question::-webkit-details-marker {
  display: none;
}

details.page-contact__faq-item summary.page-contact__faq-question:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.page-contact__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--text-light);
}

.page-contact__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color);
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
  transition: transform 0.3s ease;
}

details[open] .page-contact__faq-toggle {
  transform: rotate(45deg);
}

details.page-contact__faq-item .page-contact__faq-answer {
  padding: 0 25px 25px;
  background-color: rgba(255, 255, 255, 0.03);
  border-radius: 0 0 8px 8px;
  color: rgba(255, 243, 230, 0.7);
  font-size: 16px;
}

.page-contact__faq-answer p {
  margin: 0;
}

.page-contact__faq-image-container {
  margin-top: 40px;
  text-align: center;
}

.page-contact__faq-image {
  max-width: 600px;
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  object-fit: cover;
}

/* CTA SECTION */
.page-contact__cta-section {
  padding: 60px 0;
  background-color: var(--background-dark);
  text-align: center;
}

.page-contact__cta-buttons {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  gap: 20px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-contact__hero-description {
    font-size: 18px;
  }
  .page-contact__info-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  .page-contact__form-wrapper {
    flex-direction: column;
    align-items: center;
  }
  .page-contact__form-image-container {
    margin-top: 30px;
  }
  .page-contact__contact-form {
    width: 100%;
  }
  .page-contact__benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-contact__faq-qtext {
    font-size: 17px;
  }
}

@media (max-width: 768px) {
  .page-contact {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-contact__container {
    padding: 15px 15px;
  }
  .page-contact__section-title {
    font-size: clamp(24px, 6vw, 36px);
    margin-bottom: 15px;
  }
  .page-contact__section-description {
    font-size: 15px;
    margin-bottom: 30px;
  }
  .page-contact__hero-section {
    padding-top: 10px; /* Minimal top padding */
  }
  .page-contact__hero-content {
    padding: 30px 15px 15px;
  }
  .page-contact__main-title {
    font-size: clamp(30px, 8vw, 48px);
    margin-bottom: 10px;
  }
  .page-contact__hero-description {
    font-size: 16px;
    margin-bottom: 20px;
  }
  .page-contact__hero-image-wrapper {
    margin-top: 20px;
  }
  .page-contact__hero-image {
    object-fit: contain !important;
    aspect-ratio: unset !important;
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-contact__info-section, 
  .page-contact__form-section, 
  .page-contact__why-contact-section, 
  .page-contact__faq-section, 
  .page-contact__cta-section {
    padding: 40px 0;
  }

  .page-contact__info-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-contact__info-item {
    padding: 25px;
  }
  .page-contact__info-title {
    font-size: 20px;
  }
  .page-contact__info-text {
    font-size: 15px;
  }

  .page-contact__form-wrapper {
    gap: 20px;
  }
  .page-contact__contact-form {
    padding: 30px;
  }
  .page-contact__form-input, .page-contact__form-textarea {
    font-size: 15px;
    padding: 10px 12px;
  }
  .page-contact__form-image-container {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-contact__form-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-contact__benefits-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-contact__benefit-item {
    padding: 25px;
  }
  .page-contact__benefit-title {
    font-size: 20px;
  }
  .page-contact__benefit-text {
    font-size: 15px;
  }

  .page-contact__faq-list {
    margin-top: 30px;
  }
  details.page-contact__faq-item summary.page-contact__faq-question {
    padding: 15px 15px;
  }
  .page-contact__faq-qtext {
    font-size: 16px;
  }
  .page-contact__faq-toggle {
    font-size: 24px;
    width: 24px;
    margin-left: 10px;
  }
  details.page-contact__faq-item .page-contact__faq-answer {
    padding: 0 15px 15px;
    font-size: 15px;
  }
  .page-contact__faq-image-container {
    margin-top: 30px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-contact__faq-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-contact__cta-buttons {
    flex-direction: column;
    gap: 15px;
    margin-top: 30px;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-contact__cta-button {
    max-width: 100% !important;
    width: 100% !important;
    font-size: 16px;
    padding: 12px 20px;
  }
  
  /* General image and container rules for mobile */
  .page-contact img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-contact__section,
  .page-contact__card,
  .page-contact__container,
  .page-contact__form-wrapper,
  .page-contact__form-image-container,
  .page-contact__faq-image-container,
  .page-contact__cta-buttons {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-contact__products-section { /* Placeholder, ensure no overflow for any potential future product section */
    overflow-x: hidden;
  }
  .page-contact__article-body { /* Placeholder for potential long article body */
    max-width: 100% !important;
    margin-left: auto !important;
    margin-right: auto !important;
    padding: 0 15px;
    box-sizing: border-box;
  }
  .page-contact__section-title-wrap { /* Placeholder for potential title wrap */
    text-align: center;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }
  .page-contact__article-figure { /* Placeholder for potential article figure */
    max-width: 100% !important;
    margin-left: auto !important;
    margin-right: auto !important;
    display: block;
  }
}