/* style/blog.css */

/* Biến màu sắc */
:root {
    --color-primary: #11A84E;
    --color-secondary: #22C768;
    --color-button-gradient-start: #2AD16F;
    --color-button-gradient-end: #13994A;
    --color-card-bg: #11271B;
    --color-bg-main: #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-blog {
    background-color: var(--color-bg-main);
    color: var(--color-text-main);
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
}

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

.page-blog__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: 60px;
    background: linear-gradient(180deg, var(--color-deep-green) 0%, var(--color-bg-main) 100%);
}

.page-blog__hero-image-container {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    margin-bottom: 40px;
}

.page-blog__hero-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

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

.page-blog__main-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.page-blog__description {
    font-size: 1.15rem;
    color: var(--color-text-main);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-blog__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.page-blog__btn-primary,
.page-blog__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
}

.page-blog__btn-primary {
    background: linear-gradient(180deg, var(--color-button-gradient-start) 0%, var(--color-button-gradient-end) 100%);
    color: #ffffff;
    border: 2px solid var(--color-button-gradient-start);
    box-shadow: 0 4px 15px rgba(17, 168, 78, 0.4);
}

.page-blog__btn-primary:hover {
    background: linear-gradient(180deg, var(--color-button-gradient-end) 0%, var(--color-button-gradient-start) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(17, 168, 78, 0.6);
}

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

.page-blog__btn-secondary:hover {
    background-color: var(--color-primary);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(17, 168, 78, 0.2);
}

.page-blog__btn-primary--large {
    font-size: 1.3rem;
    padding: 18px 40px;
}

.page-blog__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    color: var(--color-gold);
    text-align: center;
    margin-bottom: 25px;
    font-weight: 700;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.page-blog__section-description {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-blog__featured-topics-section,
.page-blog__benefits-section,
.page-blog__access-guide-section,
.page-blog__faq-section,
.page-blog__conclusion-section {
    padding: 80px 0;
}

.page-blog__featured-topics-section {
    background-color: var(--color-bg-main);
}

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

.page-blog__topic-card {
    background-color: var(--color-card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.page-blog__topic-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.page-blog__card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.page-blog__card-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 20px 20px 10px 20px;
    line-height: 1.3;
}

.page-blog__card-title a {
    color: var(--color-text-main);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-blog__card-title a:hover {
    color: var(--color-primary);
}

.page-blog__card-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin: 0 20px 20px 20px;
    flex-grow: 1;
}

.page-blog__card-link {
    display: inline-block;
    margin: 0 20px 20px 20px;
    color: var(--color-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.page-blog__card-link:hover {
    color: var(--color-gold);
    text-decoration: underline;
}

.page-blog__cta-buttons--center {
    text-align: center;
    margin-top: 40px;
}

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

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

.page-blog__benefit-item {
    background-color: rgba(17, 168, 78, 0.15);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-blog__benefit-title {
    font-size: 1.5rem;
    color: var(--color-gold);
    margin-bottom: 15px;
    font-weight: 700;
}

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

.page-blog__access-guide-section {
    background-color: var(--color-bg-main);
}

.page-blog__guide-item {
    background-color: var(--color-card-bg);
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    text-align: center;
}

.page-blog__guide-title {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 20px;
    font-weight: 700;
}

.page-blog__guide-text {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    margin-bottom: 30px;
}

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

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

.page-blog__faq-item {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.page-blog__faq-item[open] {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.page-blog__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-text-main);
    cursor: pointer;
    list-style: none;
    transition: background-color 0.3s ease;
}

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

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

.page-blog__faq-qtext {
    flex-grow: 1;
    text-align: left;
}

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

.page-blog__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.page-blog__faq-answer p {
    margin-bottom: 0;
}

.page-blog__faq-answer a {
    color: var(--color-secondary);
    text-decoration: underline;
}

.page-blog__conclusion-section {
    background-color: var(--color-bg-main);
    text-align: center;
}

.page-blog__conclusion-text {
    font-size: 1.15rem;
    color: var(--color-text-main);
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-blog__conclusion-text a {
    color: var(--color-secondary);
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-blog__hero-content {
        padding: 0 15px;
    }
    .page-blog__main-title {
        font-size: clamp(2rem, 5vw, 3rem);
    }
    .page-blog__description {
        font-size: 1.1rem;
    }
    .page-blog__section-title {
        font-size: clamp(1.6rem, 4.5vw, 2.5rem);
    }
    .page-blog__topic-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-blog__hero-section {
        padding-bottom: 40px;
    }
    .page-blog__hero-image-container {
        margin-bottom: 30px;
    }
    .page-blog__main-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }
    .page-blog__description {
        font-size: 1rem;
    }
    .page-blog__cta-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        padding: 0 15px;
        box-sizing: border-box;
    }
    .page-blog__btn-primary,
    .page-blog__btn-secondary,
    .page-blog a[class*="button"],
    .page-blog 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-blog__cta-buttons--center {
        padding: 0 15px;
    }
    .page-blog__featured-topics-section,
    .page-blog__benefits-section,
    .page-blog__access-guide-section,
    .page-blog__faq-section,
    .page-blog__conclusion-section {
        padding: 60px 0;
    }
    .page-blog__section-description {
        margin-bottom: 40px;
    }
    .page-blog__topic-grid {
        grid-template-columns: 1fr;
    }
    .page-blog__card-image {
        height: 180px;
    }
    .page-blog__card-title {
        font-size: 1.25rem;
    }
    .page-blog__card-text {
        font-size: 0.9rem;
    }
    .page-blog__benefit-grid {
        grid-template-columns: 1fr;
    }
    .page-blog__guide-item {
        padding: 30px;
    }
    .page-blog__guide-title {
        font-size: 1.5rem;
    }
    .page-blog__guide-text {
        font-size: 1rem;
    }
    .page-blog__faq-question {
        font-size: 1rem;
        padding: 15px 20px;
    }
    .page-blog__faq-answer {
        padding: 0 20px 15px 20px;
        font-size: 0.95rem;
    }
    .page-blog__conclusion-text {
        font-size: 1rem;
    }

    /* Ensure all images are responsive */
    .page-blog img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-blog__section,
    .page-blog__card,
    .page-blog__container,
    .page-blog__hero-image-container,
    .page-blog__cta-buttons,
    .page-blog__button-group,
    .page-blog__btn-container,
    .page-blog__topic-card,
    .page-blog__benefit-item,
    .page-blog__guide-item,
    .page-blog__faq-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important; /* Prevent content overflow */
    }
    .page-blog__hero-section {
      padding-top: 10px !important;
    }
}

/* Content area image CSS size lower bound */
.page-blog__topic-card img,
.page-blog__hero-image {
    min-width: 200px;
    min-height: 200px;
}