/* style/contact.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm padding-top cho body hoặc các phần tử đầu tiên */

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

.page-contact {
  background-color: var(--background-color);
  color: var(--text-main);
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
}

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

.page-contact__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 0;
  padding-top: 10px; /* Nhỏ hơn so với --header-offset để tránh trùng lặp */
  text-align: center;
  overflow: hidden;
}

.page-contact__hero-image-wrapper {
  width: 100%;
  max-height: 500px;
  overflow: hidden;
  margin-bottom: 40px;
}

.page-contact__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

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

.page-contact__hero-title {
  font-size: clamp(2em, 4vw, 3.2em);
  font-weight: 700;
  color: var(--gold-color);
  margin-bottom: 20px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-contact__hero-description {
  font-size: 1.1em;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.page-contact__cta-button {
  display: inline-block;
  background: var(--button-gradient);
  color: var(--text-main);
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: none;
  cursor: pointer;
}

.page-contact__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}

.page-contact__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.5em);
  color: var(--gold-color);
  text-align: center;
  margin-bottom: 25px;
  font-weight: 700;
  line-height: 1.3;
}

.page-contact__section-description {
  font-size: 1em;
  color: var(--text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

.page-contact__form-section {
  padding: 80px 0;
  background-color: var(--deep-green);
}

.page-contact__contact-form {
  max-width: 700px;
  margin: 0 auto;
  background-color: var(--card-bg);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  position: relative;
}

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

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

.page-contact__form-input,
.page-contact__form-textarea {
  width: calc(100% - 20px);
  padding: 12px 10px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: #0A2016;
  color: var(--text-main);
  font-size: 1em;
  box-sizing: border-box;
  transition: border-color 0.3s ease;
}

.page-contact__form-input::placeholder,
.page-contact__form-textarea::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

.page-contact__form-input:focus,
.page-contact__form-textarea:focus {
  border-color: var(--glow-color);
  outline: none;
}

.page-contact__form-textarea {
  resize: vertical;
  min-height: 120px;
}

.page-contact__submit-button {
  width: 100%;
  background: var(--button-gradient);
  color: var(--text-main);
  padding: 15px 20px;
  border: none;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-contact__submit-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}

.page-contact__form-illustration {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
  margin: 40px auto 0 auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.page-contact__methods-section {
  padding: 80px 0;
  background-color: var(--background-color);
}

.page-contact__methods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-contact__method-card {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  text-align: center;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-contact__method-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-contact__method-title {
  font-size: 1.5em;
  color: var(--gold-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-contact__method-text {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 0.95em;
}

.page-contact__method-button {
  display: inline-block;
  background: var(--button-gradient);
  color: var(--text-main);
  padding: 12px 25px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95em;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

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

.page-contact__method-email, .page-contact__method-phone {
  color: var(--glow-color);
  font-size: 1.1em;
  font-weight: 600;
  margin-top: 15px;
}

.page-contact__channels-illustration {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  margin: 50px auto 0 auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.page-contact__social-section {
  padding: 80px 0;
  background-color: var(--deep-green);
}

.page-contact__social-list {
  list-style: none;
  padding: 0;
  margin: 50px auto 0 auto;
  max-width: 600px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background-color: var(--card-bg);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

.page-contact__social-item {
  padding: 15px 25px;
  color: var(--text-main);
  font-size: 1.1em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--divider-color);
}

.page-contact__social-item:last-child {
  border-bottom: none;
}

.page-contact__social-name {
  color: var(--glow-color);
  font-weight: 600;
}

.page-contact__social-illustration {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
  margin: 40px auto 0 auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.page-contact__faq-section {
  padding: 80px 0;
  background-color: var(--background-color);
}

.page-contact__faq-list {
  max-width: 900px;
  margin: 50px auto 0 auto;
}

.page-contact__faq-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-contact__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  color: var(--text-main);
  font-weight: 600;
  font-size: 1.1em;
  background-color: #0A2016;
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  list-style: none;
  user-select: none;
}

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

.page-contact__faq-qtext {
  flex-grow: 1;
  color: var(--text-main);
}

.page-contact__faq-toggle {
  font-size: 1.5em;
  margin-left: 15px;
  color: var(--glow-color);
  transition: transform 0.3s ease;
}

.page-contact__faq-item[open] > .page-contact__faq-question {
  background-color: var(--deep-green);
  border-color: var(--glow-color);
}

.page-contact__faq-item[open] > .page-contact__faq-question .page-contact__faq-toggle {
  transform: rotate(0deg);
}

.page-contact__faq-answer {
  padding: 15px 25px 20px 25px;
  color: var(--text-secondary);
  font-size: 0.95em;
  background-color: var(--card-bg);
  border-top: 1px solid var(--divider-color);
}

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

.page-contact__faq-illustration {
  display: block;
  width: 100%;
  max-width: 500px;
  height: auto;
  margin: 50px auto 0 auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.page-contact__benefits-section {
  padding: 80px 0 100px 0;
  background-color: var(--deep-green);
}

.page-contact__benefits-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  list-style: none;
  padding: 0;
  margin-top: 50px;
}

.page-contact__benefit-item {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease;
}

.page-contact__benefit-item:hover {
  transform: translateY(-5px);
}

.page-contact__benefit-title {
  font-size: 1.4em;
  color: var(--gold-color);
  margin-bottom: 10px;
  font-weight: 600;
}

.page-contact__benefit-text {
  color: var(--text-secondary);
  font-size: 0.95em;
}

.page-contact__cta-button--bottom {
  margin-top: 60px;
  display: block;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-contact__hero-title {
    font-size: clamp(2em, 5vw, 2.8em);
  }
  .page-contact__section-title {
    font-size: clamp(1.8em, 4.5vw, 2.2em);
  }
  .page-contact__methods-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  .page-contact__benefits-list {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

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

  .page-contact__container,
  .page-contact__hero-content,
  .page-contact__contact-form,
  .page-contact__social-list,
  .page-contact__faq-list,
  .page-contact__benefits-list {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-contact__hero-section {
    padding: 40px 0;
    padding-top: 10px !important; /* body đã xử lý padding-top */
  }

  .page-contact__hero-image-wrapper {
    max-height: 300px;
    margin-bottom: 30px;
  }

  .page-contact__hero-title {
    font-size: clamp(1.8em, 6vw, 2.5em);
  }

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

  .page-contact__cta-button,
  .page-contact__submit-button,
  .page-contact__method-button {
    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;
    margin-bottom: 10px; /* Thêm khoảng cách nếu nhiều nút */
  }

  .page-contact__cta-button--bottom {
    margin-top: 40px;
  }

  .page-contact__section-title {
    font-size: clamp(1.6em, 5.5vw, 2em);
    margin-bottom: 20px;
  }

  .page-contact__section-description {
    margin-bottom: 30px;
  }

  .page-contact__form-section,
  .page-contact__methods-section,
  .page-contact__social-section,
  .page-contact__faq-section,
  .page-contact__benefits-section {
    padding: 50px 0;
  }

  .page-contact__contact-form {
    padding: 30px 20px;
  }

  .page-contact__form-illustration,
  .page-contact__channels-illustration,
  .page-contact__social-illustration,
  .page-contact__faq-illustration {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    margin-top: 30px;
  }

  .page-contact__methods-grid,
  .page-contact__benefits-list {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }

  .page-contact__method-card,
  .page-contact__benefit-item {
    padding: 25px;
  }

  .page-contact__social-list {
    margin-top: 30px;
  }

  .page-contact__social-item {
    font-size: 1em;
    padding: 12px 20px;
  }

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

  .page-contact__faq-toggle {
    font-size: 1.2em;
  }

  .page-contact__faq-answer {
    padding: 12px 20px 15px 20px;
  }
}

@media (max-width: 480px) {
  .page-contact__hero-section {
    padding: 30px 0;
  }

  .page-contact__hero-image-wrapper {
    max-height: 200px;
    margin-bottom: 20px;
  }

  .page-contact__hero-title {
    font-size: clamp(1.6em, 7vw, 2.2em);
  }

  .page-contact__hero-description {
    font-size: 0.95em;
  }

  .page-contact__cta-button {
    padding: 12px 20px;
    font-size: 1em;
  }

  .page-contact__section-title {
    font-size: clamp(1.4em, 6.5vw, 1.8em);
  }

  .page-contact__contact-form {
    padding: 25px 15px;
  }

  .page-contact__submit-button {
    padding: 12px 15px;
    font-size: 1em;
  }

  .page-contact__method-title {
    font-size: 1.3em;
  }

  .page-contact__method-button {
    padding: 10px 20px;
    font-size: 0.9em;
  }

  .page-contact__faq-question {
    font-size: 0.95em;
  }

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