/* style/g.css */

: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-g {
    color: var(--color-text-main);
    background-color: var(--color-bg-main);
    font-family: 'Arial', sans-serif;
}

.page-g__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 0 60px 0; /* body đã có padding-top, đây chỉ là khoảng cách nhỏ */
    background-color: var(--color-deep-green);
    overflow: hidden;
}

.page-g__video-container {
    width: 100%;
    max-width: 1280px; /* Video max width */
    margin: 0 auto;
    box-sizing: border-box;
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) */
    height: 0;
    overflow: hidden;
    background-color: #000;
}

.page-g__video-link {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    cursor: pointer;
}

.page-g__video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.page-g__hero-content {
    text-align: center;
    padding: 40px 20px;
    max-width: 900px;
    margin-top: 20px;
    z-index: 1;
}

.page-g__main-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    color: var(--color-gold);
    margin-bottom: 20px;
    line-height: 1.2;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(87, 227, 141, 0.5);
}

.page-g__description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 30px;
    line-height: 1.6;
}

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

.page-g__btn-primary,
.page-g__btn-secondary,
.page-g__btn-tertiary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1rem;
    transition: all 0.3s ease;
    text-align: center;
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
}

.page-g__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: var(--color-text-main);
    border: none;
    box-shadow: 0 4px 15px rgba(17, 168, 78, 0.4);
}

.page-g__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(17, 168, 78, 0.6);
}

.page-g__btn-secondary {
    background: transparent;
    color: var(--color-gold);
    border: 2px solid var(--color-gold);
    box-shadow: 0 4px 15px rgba(242, 193, 78, 0.2);
}

.page-g__btn-secondary:hover {
    background: var(--color-gold);
    color: var(--color-bg-main);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(242, 193, 78, 0.4);
}

.page-g__btn-tertiary {
    background-color: var(--color-primary);
    color: var(--color-text-main);
    border: none;
    padding: 10px 20px;
    font-size: 0.9rem;
    border-radius: 5px;
    margin-top: 15px;
}

.page-g__btn-tertiary:hover {
    background-color: var(--color-secondary);
}

.page-g__section {
    padding: 80px 20px;
    text-align: center;
}

.page-g__section--about .page-g__content-wrapper {
    display: flex;
    align-items: center;
    gap: 40px;
    text-align: left;
    flex-wrap: wrap;
}

.page-g__image-wrapper {
    flex: 1;
    min-width: 300px;
}

.page-g__image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    display: block;
}

.page-g__text-block {
    flex: 2;
    min-width: 300px;
}

.page-g__text-block p {
    margin-bottom: 15px;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.page-g__heading {
    font-size: clamp(2rem, 4vw, 2.8rem);
    color: var(--color-gold);
    margin-bottom: 20px;
    font-weight: bold;
}

.page-g__description-secondary {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 800px;
    margin: 0 auto 40px auto;
    line-height: 1.6;
}

.page-g__section--about,
.page-g__section--advantages,
.page-g__section--conclusion {
    background-color: var(--color-card-bg);
}

.page-g__section--types,
.page-g__section--guide,
.page-g__section--faq {
    background-color: var(--color-bg-main);
}

.page-g__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

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

.page-g__card,
.page-g__step-card {
    background-color: var(--color-card-bg);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--color-border);
}

.page-g__card:hover,
.page-g__step-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.page-g__card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    display: block;
}

.page-g__card-title,
.page-g__step-title {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-g__card-text,
.page-g__step-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.page-g__step-icon {
    margin-bottom: 20px;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-deep-green);
    border-radius: 50%;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.3);
}

.page-g__step-icon img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.page-g__advantage-list {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    max-width: 900px;
    text-align: left;
}

.page-g__advantage-item {
    background-color: var(--color-deep-green);
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    border-left: 5px solid var(--color-primary);
    transition: transform 0.3s ease;
}

.page-g__advantage-item:hover {
    transform: translateX(5px);
}

.page-g__advantage-title {
    font-size: 1.3rem;
    color: var(--color-gold);
    margin-bottom: 10px;
    font-weight: bold;
}

.page-g__advantage-item p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.page-g__cta-wrapper {
    margin-top: 50px;
    text-align: center;
}

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

.page-g__tip-item {
    background-color: var(--color-card-bg);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
    transition: background-color 0.3s ease;
}

.page-g__tip-item:hover {
    background-color: var(--color-deep-green);
}

.page-g__tip-title {
    font-size: 1.4rem;
    color: var(--color-primary);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-g__tip-item p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

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

.page-g__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-g__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--color-text-main);
    cursor: pointer;
    background-color: var(--color-deep-green);
    border-bottom: 1px solid var(--color-divider);
}

.page-g__faq-question:hover {
    background-color: var(--color-primary);
}

.page-g__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    transition: transform 0.3s ease;
    color: var(--color-gold);
}

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

.page-g__faq-answer {
    padding: 15px 25px 20px;
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.page-g__faq-answer p {
    margin-bottom: 10px;
}

/* Contrast Fixes */
.page-g__dark-bg {
    color: var(--color-text-main); /* Deep green background, light text */
}

.page-g__light-bg {
    color: var(--color-text-main); /* Main bg color is dark, so text should be light */
}

.page-g__contrast-fix {
    background-color: var(--color-card-bg);
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-g__hero-content {
        padding: 30px 20px;
    }

    .page-g__section--about .page-g__content-wrapper {
        flex-direction: column;
        text-align: center;
    }

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

@media (max-width: 768px) {
    .page-g__hero-section {
        padding-bottom: 40px;
    }

    .page-g__main-title {
        font-size: clamp(2rem, 8vw, 2.5rem);
    }

    .page-g__description {
        font-size: 1rem;
        margin-bottom: 20px;
    }

    .page-g__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .page-g__btn-primary,
    .page-g__btn-secondary,
    .page-g__btn-tertiary {
        padding: 12px 20px;
        font-size: 0.95rem;
        width: 100%;
        max-width: 300px; /* Limit button width for better mobile appearance */
        margin: 0 auto;
    }

    .page-g__section {
        padding: 50px 15px;
    }

    .page-g__heading {
        font-size: clamp(1.8rem, 7vw, 2.2rem);
    }

    .page-g__description-secondary {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }

    .page-g__cards-grid,
    .page-g__steps-grid,
    .page-g__tips-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-g__card,
    .page-g__step-card,
    .page-g__tip-item {
        padding: 25px;
    }

    .page-g__card-image {
        height: 180px;
    }

    .page-g__card-title,
    .page-g__step-title {
        font-size: 1.3rem;
    }

    .page-g__advantage-item {
        padding: 20px;
    }

    .page-g__advantage-title {
        font-size: 1.2rem;
    }

    .page-g__faq-question {
        padding: 15px 20px;
        font-size: 1rem;
    }

    .page-g__faq-answer {
        padding: 10px 20px 15px;
        font-size: 0.95rem;
    }

    /* Mobile image and video responsive styles */
    .page-g img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    .page-g video {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-g__section,
    .page-g__card,
    .page-g__container,
    .page-g__video-section,
    .page-g__video-container,
    .page-g__video-wrapper,
    .page-g__cta-buttons,
    .page-g__button-group,
    .page-g__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }
    
    .page-g__hero-section {
        padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
    }
    
    .page-g__cta-buttons {
        flex-direction: column;
        gap: 10px;
    }
}