/* Biến màu tùy chỉnh */
:root {
    --primary-color: #C91F17;
    --secondary-color: #E53935;
    --button-gradient: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
    --card-bg: #D32F2F;
    --background-color-page: #B71C1C;
    --text-main-color: #FFF5E1;
    --border-color: #F2B544;
    --glow-color: #FFCC66;
    --gold-color: #F4D34D;
    --deep-red-color: #7A0E0E;
    --dark-section-bg: #C91F17;
    --light-bg: #ffffff;
    --text-dark: #333333;
    --text-light: #ffffff;
    --header-offset: 120px; /* Default value, will be overridden by shared.css if present */
}

/* General Styles for page-contact */
.page-contact {
    font-family: 'Arial', sans-serif;
    color: var(--text-dark); /* Default text color for light backgrounds */
    background-color: var(--light-bg); /* Default light background */
    line-height: 1.6;
}

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

.page-contact__section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 30px;
    position: relative;
    padding-top: 20px;
}

.page-contact__section-title--light {
    color: var(--text-light);
}

.page-contact__text-block {
    font-size: 17px;
    line-height: 1.8;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 30px;
}

.page-contact__text-block--light {
    color: var(--text-light);
}

/* Hero Section */
.page-contact__hero-section {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-bottom: 40px;
    padding-top: 10px; /* Small top padding, assuming body handles header offset */
}

.page-contact__hero-image-wrapper {
    width: 100%;
    max-height: 500px;
    overflow: hidden;
    margin-bottom: 30px;
}

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

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

.page-contact__main-title {
    font-size: clamp(32px, 4.5vw, 56px); /* Use clamp for responsive H1 */
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-contact__intro-description {
    font-size: 19px;
    color: var(--text-dark);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* CTA Buttons */
.page-contact__cta-button {
    display: inline-block;
    padding: 15px 30px;
    background: var(--button-gradient);
    color: var(--text-main-color);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 18px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

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

.page-contact__cta-button--dark {
    background: var(--deep-red-color);
    color: var(--text-light);
}

/* General Intro Section */
.page-contact__general-intro-section {
    padding: 60px 0;
    background-color: var(--light-bg);
}

/* Contact Channels Section */
.page-contact__contact-channels-section {
    padding: 60px 0;
    background-color: var(--dark-section-bg);
    color: var(--text-light);
}

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

.page-contact__channel-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    color: var(--text-light);
    border: 1px solid var(--border-color);
}

.page-contact__channel-icon {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin-bottom: 20px;
}

.page-contact__channel-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--gold-color);
}

.page-contact__channel-description {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-contact__email-address,
.page-contact__phone-number {
    font-size: 18px;
    font-weight: 600;
    color: var(--glow-color);
    margin-bottom: 20px;
}

.page-contact__btn-primary {
    display: inline-block;
    padding: 12px 25px;
    background: var(--button-gradient);
    color: var(--text-main-color);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 16px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-contact__btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-contact__social-links {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.page-contact__social-icon {
    color: var(--glow-color);
    font-size: 16px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-contact__social-icon:hover {
    color: #ffffff;
}

/* Contact Form Section */
.page-contact__contact-form-section {
    padding: 60px 0;
    background-color: var(--light-bg);
}

.page-contact__contact-form {
    max-width: 700px;
    margin: 40px auto 0;
    padding: 30px;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid #e0e0e0;
}

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

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

.page-contact__form-input,
.page-contact__form-textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #cccccc;
    border-radius: 6px;
    font-size: 16px;
    color: var(--text-dark);
    box-sizing: border-box;
}

.page-contact__form-input:focus,
.page-contact__form-textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb), 0.2);
}

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

.page-contact__form-submit-btn {
    width: 100%;
    padding: 15px;
    font-size: 18px;
    font-weight: 700;
}

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

.page-contact__faq-list {
    max-width: 900px;
    margin: 40px auto 0;
}

details.page-contact__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #e0e0e0;
  overflow: hidden;
  background: #fff;
}
details.page-contact__faq-item summary.page-contact__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  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: #f5f5f5;
}
.page-contact__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--text-dark);
}
.page-contact__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #666;
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-contact__faq-item .page-contact__faq-answer {
  padding: 0 20px 20px;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
  color: var(--text-dark);
}
details.page-contact__faq-item .page-contact__faq-answer p {
    margin-top: 0;
    font-size: 16px;
    line-height: 1.7;
    text-align: left;
}

/* Commitment Section */
.page-contact__commitment-section {
    padding: 60px 0;
    background-color: var(--light-bg);
    text-align: center;
}

/* Final CTA Section */
.page-contact__final-cta-section {
    padding: 60px 0;
    background-color: var(--primary-color);
    color: var(--text-light);
    text-align: center;
}

.page-contact__final-cta-section .page-contact__section-title {
    color: var(--text-light);
}

.page-contact__final-cta-section .page-contact__text-block {
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-contact__container {
        padding: 20px 30px;
    }
    .page-contact__section-title {
        font-size: 32px;
    }
    .page-contact__intro-description {
        font-size: 18px;
    }
    .page-contact__channels-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-contact__container {
        padding: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-contact__hero-section {
        padding-bottom: 30px;
        padding-top: 10px; /* Ensure small top padding */
    }

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

    .page-contact__hero-image {
        object-fit: contain !important; /* Prevent cropping on mobile */
        aspect-ratio: unset !important;
        width: 100% !important;
        height: auto !important;
    }

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

    .page-contact__main-title {
        font-size: clamp(28px, 8vw, 40px);
    }

    .page-contact__intro-description {
        font-size: 16px;
        margin-bottom: 20px;
    }

    .page-contact__cta-button,
    .page-contact__btn-primary,
    .page-contact__btn-secondary,
    .page-contact a[class*="button"],
    .page-contact 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;
        font-size: 16px;
    }

    .page-contact__cta-buttons,
    .page-contact__button-group,
    .page-contact__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        display: flex;
        flex-direction: column; /* Stack buttons vertically on mobile */
        gap: 10px;
    }

    .page-contact__section-title {
        font-size: 28px;
        margin-bottom: 20px;
        padding-top: 10px;
    }

    .page-contact__text-block {
        font-size: 15px;
        margin-bottom: 20px;
        text-align: left;
    }

    .page-contact__general-intro-section,
    .page-contact__contact-channels-section,
    .page-contact__contact-form-section,
    .page-contact__faq-section,
    .page-contact__commitment-section,
    .page-contact__final-cta-section {
        padding: 40px 0;
    }

    .page-contact__channels-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-contact__channel-card {
        padding: 25px;
    }

    .page-contact__channel-icon {
        width: 100px;
        height: 100px;
    }

    .page-contact__channel-title {
        font-size: 20px;
    }

    .page-contact__channel-description {
        font-size: 15px;
    }

    .page-contact__email-address,
    .page-contact__phone-number {
        font-size: 16px;
    }

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

    .page-contact__form-label {
        font-size: 15px;
    }

    .page-contact__form-input,
    .page-contact__form-textarea {
        padding: 10px 12px;
        font-size: 15px;
    }

    .page-contact__form-submit-btn {
        padding: 12px;
        font-size: 16px;
    }

    .page-contact__faq-list {
        margin-top: 20px;
    }

    details.page-contact__faq-item summary.page-contact__faq-question { padding: 15px; }
    .page-contact__faq-qtext { font-size: 15px; }
    .page-contact__faq-toggle { font-size: 20px; width: 24px; height: 24px; margin-left: 10px; }
    details.page-contact__faq-item .page-contact__faq-answer { padding: 0 15px 15px; }
    details.page-contact__faq-item .page-contact__faq-answer p { font-size: 15px; }

    /* Universal image responsive styles for content area */
    .page-contact img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block;
    }
}