/* style/about.css */

/* Biến CSS */
:root {
    --page-about-primary-color: #0A2239;
    --page-about-secondary-color: #E0B400;
    --page-about-text-light: #ffffff;
    --page-about-text-dark: #333333;
    --page-about-bg-light: #f8f8f8;
    --page-about-bg-dark: #0A2239;
}

.page-about {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--page-about-text-dark);
    background-color: var(--page-about-bg-light);
}

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

.page-about__section {
    padding: 60px 0;
    text-align: center;
}

.page-about__section:nth-of-type(even) {
    background-color: var(--page-about-bg-dark);
    color: var(--page-about-text-light);
}

.page-about__section:nth-of-type(even) .page-about__section-title,
.page-about__section:nth-of-type(even) h3,
.page-about__section:nth-of-type(even) p,
.page-about__section:nth-of-type(even) li,
.page-about__section:nth-of-type(even) a {
    color: var(--page-about-text-light);
}

.page-about__section:nth-of-type(even) a {
    text-decoration: underline;
}

.page-about__section-title {
    font-size: 2.5em;
    margin-bottom: 40px;
    color: var(--page-about-primary-color);
    position: relative;
    display: inline-block;
}

.page-about__section:nth-of-type(even) .page-about__section-title {
    color: var(--page-about-secondary-color);
}

.page-about__section-title::after {
    content: '';
    width: 80px;
    height: 4px;
    background-color: var(--page-about-secondary-color);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -10px;
}

.page-about__hero {
    background: linear-gradient(135deg, var(--page-about-primary-color) 0%, #1A3F5E 100%);
    color: var(--page-about-text-light);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-about__hero::before {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    background-color: rgba(224, 180, 0, 0.1);
    border-radius: 50%;
    animation: page-about-bubble-move 15s infinite alternate;
}

.page-about__hero::after {
    content: '';
    position: absolute;
    bottom: -70px;
    right: -70px;
    width: 180px;
    height: 180px;
    background-color: rgba(224, 180, 0, 0.15);
    border-radius: 50%;
    animation: page-about-bubble-move 18s infinite reverse alternate;
}

@keyframes page-about-bubble-move {
    0% { transform: translate(0, 0) scale(1); opacity: 0.8; }
    50% { transform: translate(20px, 20px) scale(1.1); opacity: 1; }
    100% { transform: translate(0, 0) scale(1); opacity: 0.8; }
}

.page-about__hero-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    color: var(--page-about-secondary-color);
}

.page-about__hero-description {
    font-size: 1.2em;
    max-width: 800px;
    margin: 0 auto 30px;
}

.page-about__btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
    border: 2px solid transparent;
}

.page-about__btn--primary {
    background-color: var(--page-about-secondary-color);
    color: var(--page-about-primary-color);
    border-color: var(--page-about-secondary-color);
}

.page-about__btn--primary:hover {
    background-color: #cc9900;
    color: var(--page-about-text-light);
    transform: translateY(-2px);
}

.page-about__btn--secondary {
    background-color: transparent;
    color: var(--page-about-secondary-color);
    border-color: var(--page-about-secondary-color);
    margin-left: 15px;
}

.page-about__btn--secondary:hover {
    background-color: var(--page-about-secondary-color);
    color: var(--page-about-primary-color);
    transform: translateY(-2px);
}

.page-about__mission .page-about__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-about__mission-item {
    background-color: var(--page-about-text-light);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--page-about-text-dark);
}

.page-about__mission-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.page-about__mission-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    filter: drop-shadow(2px 2px 3px rgba(0, 0, 0, 0.2));
}

.page-about__mission-heading {
    font-size: 1.5em;
    color: var(--page-about-primary-color);
    margin-bottom: 15px;
}

.page-about__mission-item p {
    font-size: 1em;
    color: #555;
}

.page-about__values .page-about__value-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-about__values .page-about__value-item {
    background-color: rgba(255, 255, 255, 0.08);
    padding: 30px;
    border-radius: 8px;
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.page-about__values .page-about__value-heading {
    font-size: 1.4em;
    color: var(--page-about-secondary-color);
    margin-bottom: 10px;
}

.page-about__values .page-about__value-item p {
    color: var(--page-about-text-light);
    opacity: 0.9;
}

.page-about__team-description {
    max-width: 900px;
    margin: 20px auto;
    font-size: 1.1em;
}

.page-about__team-image,
.page-about__journey-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin-top: 40px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.page-about__why-choose-intro {
    font-size: 1.1em;
    max-width: 800px;
    margin: 20px auto 40px;
}

.page-about__benefit-list {
    list-style: none;
    padding: 0;
    margin-top: 30px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    text-align: left;
}

.page-about__benefit-list li {
    background-color: var(--page-about-text-light);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    border-left: 5px solid var(--page-about-secondary-color);
    transition: transform 0.3s ease;
}

.page-about__benefit-list li:hover {
    transform: translateY(-3px);
}

.page-about__benefit-heading {
    font-size: 1.3em;
    color: var(--page-about-primary-color);
    margin-bottom: 10px;
}

.page-about__benefit-list li p {
    color: #666;
}

.page-about__benefit-list li a {
    color: var(--page-about-secondary-color);
    font-weight: bold;
    text-decoration: none;
}

.page-about__benefit-list li a:hover {
    text-decoration: underline;
}

.page-about__journey-text {
    max-width: 900px;
    margin: 20px auto;
    font-size: 1.1em;
    color: var(--page-about-text-light);
}

.page-about__commitment-text {
    max-width: 900px;
    margin: 20px auto;
    font-size: 1.1em;
    color: var(--page-about-text-light);
}

.page-about__commitment-list {
    list-style: none;
    padding: 0;
    max-width: 700px;
    margin: 30px auto;
    text-align: left;
}

.page-about__commitment-list li {
    background-color: rgba(255, 255, 255, 0.08);
    border-left: 4px solid var(--page-about-secondary-color);
    padding: 15px 20px;
    margin-bottom: 15px;
    border-radius: 5px;
    color: var(--page-about-text-light);
}

.page-about__commitment-list li strong {
    color: var(--page-about-secondary-color);
}

.page-about__cta {
    background: linear-gradient(45deg, var(--page-about-secondary-color), #f7d24d);
    padding: 80px 0;
    color: var(--page-about-primary-color);
    text-align: center;
}

.page-about__cta-title {
    font-size: 2.8em;
    margin-bottom: 20px;
    color: var(--page-about-primary-color);
}

.page-about__cta-description {
    font-size: 1.2em;
    max-width: 700px;
    margin: 0 auto 40px;
    color: var(--page-about-primary-color);
}

.page-about__cta-buttons .page-about__btn {
    margin: 0 10px;
}

.page-about__cta .page-about__btn--primary {
    background-color: var(--page-about-primary-color);
    color: var(--page-about-secondary-color);
    border-color: var(--page-about-primary-color);
}

.page-about__cta .page-about__btn--primary:hover {
    background-color: #051421;
    color: var(--page-about-secondary-color);
}

.page-about__cta .page-about__btn--secondary {
    color: var(--page-about-primary-color);
    border-color: var(--page-about-primary-color);
}

.page-about__cta .page-about__btn--secondary:hover {
    background-color: var(--page-about-primary-color);
    color: var(--page-about-secondary-color);
}

.page-about__contact-text,
.page-about__contact-info {
    max-width: 800px;
    margin: 20px auto;
    font-size: 1.1em;
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-about__hero-title {
        font-size: 2.8em;
    }
    .page-about__section-title {
        font-size: 2em;
    }
    .page-about__benefit-list {
        grid-template-columns: 1fr;
    }
    .page-about__cta-title {
        font-size: 2.2em;
    }
    .page-about__cta-buttons {
        flex-direction: column;
    }
    .page-about__cta-buttons .page-about__btn {
        margin: 10px 0;
    }
}

@media (max-width: 768px) {
    .page-about__hero {
        padding: 80px 0;
    }
    .page-about__hero-title {
        font-size: 2.2em;
    }
    .page-about__hero-description {
        font-size: 1em;
    }
    .page-about__section {
        padding: 40px 0;
    }
    .page-about__section-title {
        font-size: 1.8em;
    }
    .page-about__mission .page-about__grid {
        grid-template-columns: 1fr;
    }
    .page-about__values .page-about__value-list {
        grid-template-columns: 1fr;
    }
    .page-about__cta-title {
        font-size: 1.8em;
    }
    .page-about__cta-description {
        font-size: 1em;
    }
}

@media (max-width: 480px) {
    .page-about__hero-title {
        font-size: 1.8em;
    }
    .page-about__section-title {
        font-size: 1.5em;
    }
    .page-about__btn {
        padding: 10px 20px;
        font-size: 0.9em;
    }
    .page-about__btn--secondary {
        margin-left: 0;
        margin-top: 10px;
    }
}