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

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

.page-support {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-text-main); /* Text Main for dark body background */
    background-color: var(--color-background); /* Consistent with body background */
}

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

.page-support__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 60px 20px;
    padding-top: 10px; /* Small top padding, body handles --header-offset */
    text-align: center;
    overflow: hidden;
}

.page-support__hero-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.page-support__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.5); /* Slightly darken image for text readability */
}

.page-support__hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    color: var(--color-text-main);
}

.page-support__main-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem); /* Responsive font size */
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-text-main);
    line-height: 1.2;
}

.page-support__hero-description {
    font-size: 1.25rem;
    margin-bottom: 30px;
    color: var(--color-text-secondary);
}

.page-support__section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: var(--color-text-main);
}

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

.page-support__dark-section {
    background-color: var(--color-deep-green);
}

.page-support__text-block {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--color-text-secondary);
}

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

.page-support__faq-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 900px;
    margin: 0 auto;
}

.page-support__faq-item {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.page-support__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-main);
    background-color: var(--color-card-bg);
    border-bottom: 1px solid transparent; /* No border initially */
    transition: background-color 0.3s ease;
}

.page-support__faq-item[open] .page-support__faq-question {
    border-bottom-color: var(--color-divider);
}

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

.page-support__faq-qtext {
    flex-grow: 1;
    margin-right: 15px;
}

.page-support__faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-glow);
    transition: transform 0.3s ease;
}

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

.page-support__faq-answer {
    padding: 20px;
    font-size: 1rem;
    color: var(--color-text-secondary);
    border-top: 1px solid var(--color-divider);
}

.page-support__faq-answer p {
    margin-bottom: 15px;
    color: var(--color-text-secondary);
}

.page-support__faq-answer .page-support__btn-secondary {
    margin-top: 10px;
    display: inline-block;
    margin-right: 10px;
}

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

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

.page-support__guide-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--color-text-main);
}

.page-support__guide-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-support__guide-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 20px;
}

.page-support__card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--color-text-main);
}

.page-support__card-text {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.page-support__security-content {
    display: flex;
    align-items: center;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.page-support__security-image {
    flex: 1;
    max-width: 50%;
    height: auto;
    border-radius: 8px;
}

.page-support__security-text {
    flex: 1;
    color: var(--color-text-secondary);
}

.page-support__security-text .page-support__btn-secondary {
    margin-top: 15px;
    display: inline-block;
    margin-right: 10px;
}

.page-support__contact-section {
    padding: 80px 0;
    text-align: center;
}

.page-support__contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 40px auto 0 auto;
}

.page-support__contact-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    color: var(--color-text-main);
}

.page-support__contact-card .page-support__card-title {
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: var(--color-glow);
}

.page-support__contact-card .page-support__card-text {
    color: var(--color-text-secondary);
    margin-bottom: 25px;
}

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

.page-support__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

/* Button styles */
.page-support__btn-primary,
.page-support__btn-secondary {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.page-support__btn-primary {
    background: var(--color-button-gradient-start);
    background: linear-gradient(180deg, var(--color-button-gradient-start) 0%, var(--color-button-gradient-end) 100%);
    color: #ffffff; /* White text for contrast */
    border: 2px solid transparent;
    box-shadow: 0 4px 10px rgba(var(--color-button-gradient-end), 0.4);
}

.page-support__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(var(--color-button-gradient-end), 0.6);
}

.page-support__btn-secondary {
    background-color: transparent;
    color: var(--color-glow); /* Glow color for text */
    border: 2px solid var(--color-glow);
}

.page-support__btn-secondary:hover {
    background-color: var(--color-glow);
    color: var(--color-background); /* Dark text on hover */
    transform: translateY(-3px);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-support__hero-content {
        padding: 0 15px;
    }
    .page-support__main-title {
        font-size: clamp(2rem, 4.5vw, 3rem);
    }
    .page-support__section-title {
        font-size: 2rem;
    }
    .page-support__security-content {
        flex-direction: column;
        text-align: center;
    }
    .page-support__security-image {
        max-width: 80%;
    }
}

@media (max-width: 768px) {
    .page-support__hero-section {
        padding: 40px 15px;
        padding-top: 10px !important;
    }
    .page-support__main-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }
    .page-support__hero-description {
        font-size: 1rem;
    }
    .page-support__section-title {
        font-size: 1.8rem;
    }
    .page-support__introduction-section,
    .page-support__faq-section,
    .page-support__security-section,
    .page-support__guide-section,
    .page-support__contact-section,
    .page-support__cta-section {
        padding: 40px 0;
    }
    .page-support__container {
        padding: 0 15px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    /* Images responsive */
    .page-support img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
        box-sizing: border-box !important;
    }
    .page-support__hero-image-wrapper,
    .page-support__guide-card,
    .page-support__security-content,
    .page-support__contact-card {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    /* Buttons responsive */
    .page-support__cta-buttons {
        flex-direction: column;
        gap: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 15px;
    }
    .page-support__btn-primary,
    .page-support__btn-secondary,
    .page-support a[class*="button"],
    .page-support 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;
    }
    .page-support__faq-question {
        font-size: 1.1rem;
        padding: 15px;
    }
    .page-support__faq-answer {
        padding: 15px;
        font-size: 0.95rem;
    }
    .page-support__security-image {
        max-width: 100%;
    }
    .page-support__guide-image {
        height: 180px;
    }
}

@media (max-width: 480px) {
    .page-support__main-title {
        font-size: clamp(1.5rem, 7vw, 2rem);
    }
    .page-support__section-title {
        font-size: 1.5rem;
    }
    .page-support__hero-description {
        font-size: 0.9rem;
    }
    .page-support__btn-primary,
    .page-support__btn-secondary {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    .page-support__faq-question {
        font-size: 1rem;
    }
    .page-support__faq-toggle {
        font-size: 1.3rem;
    }
    .page-support__card-title {
        font-size: 1.3rem;
    }
    .page-support__card-text {
        font-size: 0.9rem;
    }
    .page-support__guide-image {
        height: 150px;
    }
}