/* style/support.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần lặp lại */

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

.page-support {
    font-family: Arial, sans-serif;
    color: var(--text-main-color);
    background-color: var(--background-color-page);
    line-height: 1.6;
    font-size: 16px;
}

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

.page-support__section-title {
    font-size: 2.5em;
    color: var(--gold-color);
    text-align: center;
    margin-bottom: 40px;
    font-weight: bold;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.page-support__section-intro {
    font-size: 1.1em;
    color: var(--text-secondary-color);
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-support__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 10px; /* Small top padding, body handles header offset */
    padding-bottom: 80px;
    overflow: hidden;
}

.page-support__hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    filter: brightness(0.4);
}

.page-support__hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 40px 20px;
    box-sizing: border-box;
}

.page-support__main-title {
    font-size: clamp(2.2em, 4vw, 3.5em); /* Using clamp for H1 font-size */
    color: var(--gold-color);
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.page-support__hero-description {
    font-size: 1.2em;
    color: var(--text-main-color);
    margin-bottom: 40px;
}

.page-support__btn-primary,
.page-support__btn-secondary {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    cursor: pointer;
    margin: 10px;
    box-sizing: border-box;
    text-align: center;
}

.page-support__btn-primary {
    background: var(--button-gradient);
    color: var(--text-main-color);
    border: 2px solid transparent;
}

.page-support__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0, 255, 0, 0.2);
}

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

.page-support__btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-main-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0, 255, 0, 0.1);
}

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

.page-support__why-choose-section,
.page-support__security-section {
    padding: 80px 0;
}

.page-support__content-grid {
    display: flex;
    gap: 40px;
    align-items: center;
}

.page-support__content-grid:nth-child(even) {
    flex-direction: row-reverse;
}

.page-support__text-block {
    flex: 1;
    color: var(--text-main-color);
}

.page-support__text-block h3 {
    color: var(--gold-color);
    font-size: 1.8em;
    margin-bottom: 20px;
}

.page-support__image-right,
.page-support__image-left {
    flex: 1;
    max-width: 50%;
    height: auto;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-support__benefits-list {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}

.page-support__benefits-list li {
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="%232AD16F"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z"/></svg>') no-repeat left center;
    background-size: 20px;
    padding-left: 30px;
    margin-bottom: 15px;
    color: var(--text-main-color);
    font-size: 1.1em;
}

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

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

.page-support__card {
    background-color: var(--card-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-support__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-support__card-title {
    font-size: 1.5em;
    color: var(--gold-color);
    margin-bottom: 15px;
    line-height: 1.3;
}

.page-support__card-title a {
    color: var(--gold-color);
    text-decoration: none;
}

.page-support__card-title a:hover {
    text-decoration: underline;
}

.page-support__card-description {
    color: var(--text-secondary-color);
    margin-bottom: 25px;
    flex-grow: 1;
}

.page-support__contact-methods-section {
    padding: 80px 0;
}

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

.page-support__card--contact {
    text-align: center;
}

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

.page-support__contact-detail {
    color: var(--text-main-color);
    font-size: 1.1em;
    margin-top: 15px;
}

.page-support__contact-detail a {
    color: var(--primary-color);
    text-decoration: none;
}

.page-support__contact-detail a:hover {
    text-decoration: underline;
}

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

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

.page-support__faq-item {
    background-color: var(--card-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
}

.page-support__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-size: 1.2em;
    font-weight: bold;
    color: var(--text-main-color);
    background-color: var(--card-bg-color);
    transition: background-color 0.3s ease;
}

.page-support__faq-question:hover {
    background-color: rgba(17, 168, 78, 0.1);
}

.page-support__faq-qtext {
    flex-grow: 1;
    color: var(--gold-color);
}

.page-support__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    color: var(--primary-color);
    margin-left: 15px;
}

.page-support__faq-answer {
    padding: 0 25px 20px;
    font-size: 1.05em;
    color: var(--text-secondary-color);
    line-height: 1.7;
}

.page-support__faq-answer p {
    margin-top: 0;
    margin-bottom: 10px;
}

.page-support__faq-answer a {
    color: var(--primary-color);
    text-decoration: none;
}

.page-support__faq-answer a:hover {
    text-decoration: underline;
}

.page-support__cta-final {
    padding: 80px 0;
    text-align: center;
    background-color: var(--background-color-page);
}

.page-support__cta-final .page-support__btn-primary {
    margin-top: 40px;
}

/* Highlight keywords */
.page-support .highlight-keyword {
    color: var(--glow-color);
    font-weight: bold;
}

/* Ensure all images are responsive */
.page-support img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Mobile responsiveness */
@media (max-width: 1024px) {
    .page-support__section-title {
        font-size: 2em;
    }
    .page-support__hero-content {
        padding: 30px 15px;
    }
    .page-support__main-title {
        font-size: clamp(2em, 5vw, 3em);
    }
    .page-support__hero-description {
        font-size: 1.1em;
    }
    .page-support__content-grid {
        flex-direction: column;
        gap: 30px;
    }
    .page-support__content-grid:nth-child(even) {
        flex-direction: column;
    }
    .page-support__image-right,
    .page-support__image-left {
        max-width: 100%;
    }
    .page-support__why-choose-section,
    .page-support__security-section,
    .page-support__topics-section,
    .page-support__contact-methods-section,
    .page-support__faq-section,
    .page-support__cta-final {
        padding: 60px 0;
    }
    .page-support__section-intro {
        margin-bottom: 40px;
    }
}

@media (max-width: 768px) {
    .page-support {
        font-size: 15px;
    }
    .page-support__container {
        padding: 0 15px !important;
    }
    .page-support__hero-section {
        padding-bottom: 60px;
    }
    .page-support__main-title {
        font-size: clamp(1.8em, 6vw, 2.5em);
    }
    .page-support__hero-description {
        font-size: 1em;
    }
    .page-support__btn-primary,
    .page-support__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        margin: 10px 0 !important; /* Ensure buttons stack */
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-support__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-wrap: wrap !important;
        gap: 10px;
    }
    .page-support__content-grid {
        gap: 20px;
    }
    .page-support__image-right,
    .page-support__image-left {
        min-width: 200px !important;
        min-height: 200px !important;
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-support img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-support__card {
        padding: 20px;
    }
    .page-support__card-title {
        font-size: 1.3em;
    }
    .page-support__faq-question {
        font-size: 1.1em;
        padding: 15px 20px;
    }
    .page-support__faq-answer {
        padding: 0 20px 15px;
        font-size: 1em;
    }
    .page-support__hero-section {
        padding-top: 10px !important; /* body handles --header-offset, this is for visual spacing */
    }
}

@media (max-width: 480px) {
    .page-support__section-title {
        font-size: 1.8em;
    }
    .page-support__hero-description {
        font-size: 0.95em;
    }
    .page-support__card-title {
        font-size: 1.2em;
    }
}