/* style/contact.css */

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

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

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

.page-contact__section {
  padding: 60px 0;
  text-align: center;
}

.page-contact__section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: var(--page-contact-gold-color);
  margin-bottom: 20px;
  font-weight: 700;
}

.page-contact__section-description {
  font-size: 1.1rem;
  color: var(--page-contact-text-secondary);
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.page-contact__hero-section {
  padding: 10px 0 60px 0; /* body đã có padding-top, đây chỉ là khoảng đệm nhỏ */
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--page-contact-deep-green);
  overflow: hidden;
}

.page-contact__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  margin-bottom: 40px;
  box-sizing: border-box;
}

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

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

.page-contact__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  color: var(--page-contact-gold-color);
  margin-bottom: 20px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

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

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

.page-contact__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

/* Grid Layouts */
.page-contact__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-contact__card {
  background-color: var(--page-contact-card-bg);
  padding: 30px;
  border-radius: 12px;
  text-align: left;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--page-contact-border-color);
  transition: transform 0.3s ease;
}

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

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

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

/* Channels Section */
.page-contact__grid--channels {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.page-contact__channel-item {
  background-color: var(--page-contact-card-bg);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  border: 1px solid var(--page-contact-border-color);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.page-contact__channel-icon {
  width: 100%;
  max-width: 250px;
  height: auto;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  border-radius: 8px;
}

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

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

.page-contact__btn-secondary {
  display: inline-block;
  padding: 10px 20px;
  background-color: transparent;
  color: var(--page-contact-primary-color);
  border: 2px solid var(--page-contact-primary-color);
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
}

.page-contact__btn-secondary:hover {
  background-color: var(--page-contact-primary-color);
  color: #ffffff;
}

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

.page-contact__step-item {
  background-color: var(--page-contact-card-bg);
  padding: 30px;
  border-radius: 12px;
  text-align: left;
  border: 1px solid var(--page-contact-border-color);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.page-contact__step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background-color: var(--page-contact-primary-color);
  color: #ffffff;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 0 15px var(--page-contact-glow-color) inset;
}

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

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

/* FAQ Section */
.page-contact__faq-section {
  padding-top: 20px;
}

.page-contact__faq-image {
  width: 100%;
  max-width: 800px;
  height: auto;
  display: block;
  margin: 0 auto 40px auto;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

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

.page-contact__faq-item {
  background-color: var(--page-contact-card-bg);
  margin-bottom: 15px;
  border-radius: 10px;
  border: 1px solid var(--page-contact-border-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.page-contact__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--page-contact-text-main);
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.page-contact__faq-item[open] .page-contact__faq-question {
  background-color: var(--page-contact-deep-green);
  border-bottom: 1px solid var(--page-contact-divider-color);
  border-radius: 10px 10px 0 0;
}

.page-contact__faq-question:hover {
  background-color: var(--page-contact-deep-green);
}

.page-contact__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--page-contact-primary-color);
}

.page-contact__faq-item[open] .page-contact__faq-toggle {
  content: '−';
}

.page-contact__faq-answer {
  padding: 0 20px 20px 20px;
  font-size: 1rem;
  color: var(--page-contact-text-secondary);
  line-height: 1.7;
}

/* Hide default details arrow */
.page-contact__faq-item summary::-webkit-details-marker,
.page-contact__faq-item summary::marker {
  display: none;
}

/* Commitment Section */
.page-contact__commitment {
  background-color: var(--page-contact-deep-green);
}

.page-contact__commitment-item {
  background-color: var(--page-contact-card-bg);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  border: 1px solid var(--page-contact-border-color);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.page-contact__commitment-icon {
  width: 100%;
  max-width: 150px;
  height: auto;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

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

.page-contact__commitment-text {
  color: var(--page-contact-text-secondary);
  font-size: 0.95rem;
}

/* CTA Bottom Section */
.page-contact__cta-bottom .page-contact__container {
  background-color: var(--page-contact-card-bg);
  padding: 50px;
  border-radius: 15px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--page-contact-border-color);
}

.page-contact__cta-image {
  width: 100%;
  max-width: 600px;
  height: auto;
  display: block;
  margin: 0 auto 30px auto;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-contact__cta-button--large {
  padding: 18px 40px;
  font-size: 1.2rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-contact__section-title {
    font-size: 2.2rem;
  }
  .page-contact__main-title {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  .page-contact__section {
    padding: 40px 0;
  }

  .page-contact__hero-section {
    padding: 10px 0 40px 0;
  }

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

  .page-contact__hero-content {
    padding: 0 15px;
  }

  .page-contact__main-title {
    font-size: 2.5rem; /* clamp() handles this, but explicit for clarity */
  }

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

  .page-contact__cta-button {
    padding: 12px 25px;
    font-size: 1rem;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-contact__cta-button--large {
    padding: 15px 30px;
    font-size: 1.1rem;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-contact__container,
  .page-contact__section,
  .page-contact__card,
  .page-contact__channel-item,
  .page-contact__step-item,
  .page-contact__commitment-item,
  .page-contact__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-contact img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-contact__channel-icon,
  .page-contact__commitment-icon {
    max-width: 100px;
  }

  .page-contact__faq-question {
    font-size: 1.1rem;
    padding: 15px;
  }

  .page-contact__faq-toggle {
    font-size: 1.5rem;
  }

  .page-contact__faq-answer {
    padding: 0 15px 15px 15px;
  }

  .page-contact__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-contact__cta-bottom .page-contact__container {
    padding: 30px 15px;
  }
}

@media (max-width: 480px) {
  .page-contact__section-title {
    font-size: 1.8rem;
  }

  .page-contact__main-title {
    font-size: 2rem;
  }

  .page-contact__grid,
  .page-contact__steps-grid {
    grid-template-columns: 1fr;
  }

  .page-contact__card-title,
  .page-contact__channel-title,
  .page-contact__step-title,
  .page-contact__commitment-title {
    font-size: 1.2rem;
  }

  .page-contact__card-text,
  .page-contact__channel-text,
  .page-contact__step-text,
  .page-contact__commitment-text,
  .page-contact__faq-answer p {
    font-size: 0.9rem;
  }
}