/* style/about.css */

:root {
    --primary-color: #E53935;
    --secondary-color: #FF5A4F;
    --text-main-color: #333333;
    --card-bg-color: #FFFFFF;
    --background-color: #F5F7FA;
    --border-color: #E0E0E0;
    --header-offset: 120px; /* Fallback, should be defined in shared.css body padding-top */
}

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

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

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

.page-about__container--reverse {
    flex-direction: row-reverse;
}

.page-about__container--center {
    text-align: center;
}

.page-about__top-section {
    padding: 10px 0 60px 0; /* Rely on body padding-top for header offset */
    background: linear-gradient(180deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: #ffffff;
    text-align: center;
}

.page-about__main-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-about__intro-text {
    font-size: clamp(1rem, 2vw, 1.25rem);
    max-width: 800px;
    margin: 0 auto 30px auto;
}

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

.page-about__btn {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    white-space: nowrap;
    box-sizing: border-box;
    max-width: 100%;
}

.page-about__btn-primary {
    background: linear-gradient(180deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: #ffffff;
    border: 2px solid var(--primary-color);
}

.page-about__btn-primary:hover {
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-color: var(--secondary-color);
}

.page-about__btn-secondary {
    background-color: var(--card-bg-color);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.page-about__btn-link {
    background: none;
    border: none;
    color: var(--primary-color);
    padding: 0;
    font-size: 1rem;
    text-decoration: underline;
}

.page-about__btn-link:hover {
    color: var(--secondary-color);
}

.page-about__btn--large {
    padding: 18px 40px;
    font-size: 1.15rem;
}

.page-about__section {
    padding: 80px 0;
    position: relative;
}

.page-about__section:nth-of-type(even) {
    background-color: #fcfcfc;
}

.page-about__heading {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
}

.page-about__sub-heading {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    font-weight: 600;
    color: var(--text-main-color);
    margin-top: 40px;
    margin-bottom: 20px;
}

.page-about__content-block {
    flex: 1;
}

.page-about__image-figure {
    flex: 1;
    text-align: center;
    margin: 0;
}

.page-about__image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    display: block;
    margin: 0 auto;
}

.page-about__image-caption {
    margin-top: 15px;
    font-size: 0.9rem;
    color: #666;
}

.page-about__list {
    list-style: disc;
    margin-left: 25px;
    margin-bottom: 20px;
}

.page-about__list li {
    margin-bottom: 10px;
    font-size: 1.05rem;
}

.page-about__values-grid, .page-about__products-grid, .page-about__advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-about__value-card, .page-about__product-card, .page-about__advantage-item {
    background-color: var(--card-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-about__value-title, .page-about__product-title, .page-about__advantage-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.page-about__product-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-about__product-card .page-about__btn {
    margin-top: auto;
    align-self: center;
    width: fit-content;
}

.page-about__dark-section {
    background: var(--primary-color);
    color: #ffffff;
}

.page-about__dark-section .page-about__heading {
    color: #ffffff;
}

.page-about__dark-section .page-about__btn-secondary {
    background-color: #ffffff;
    color: var(--primary-color);
    border-color: #ffffff;
}

.page-about__dark-section .page-about__btn-secondary:hover {
    background-color: var(--secondary-color);
    color: #ffffff;
    border-color: var(--secondary-color);
}

.page-about__section-description {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-about__faq-section {
    padding-bottom: 80px;
}

.page-about__faq-list {
    margin-top: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-about__faq-item {
    background-color: var(--card-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

.page-about__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-main-color);
    cursor: pointer;
    list-style: none;
    position: relative;
    user-select: none;
}

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

.page-about__faq-question::marker {
    display: none;
}

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

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

.page-about__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1rem;
    color: #555;
    line-height: 1.7;
}

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

.page-about__call-to-action {
    padding: 60px 0;
    background-color: var(--primary-color);
    color: #ffffff;
    text-align: center;
}

.page-about__call-to-action .page-about__heading {
    color: #ffffff;
    margin-bottom: 20px;
}

.page-about__call-to-action .page-about__intro-text {
    color: #f0f0f0;
    margin-bottom: 40px;
}

/* --- Responsive Styles --- */

@media (max-width: 1024px) {
    .page-about__container--flex {
        flex-direction: column;
        text-align: center;
    }

    .page-about__container--reverse {
        flex-direction: column;
    }

    .page-about__content-block {
        margin-bottom: 30px;
    }

    .page-about__image-figure {
        margin-bottom: 30px;
    }

    .page-about__products-grid, .page-about__advantages-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    /* 1. Top section (padding, spacing, stacking) */
    .page-about__top-section {
        padding-top: 10px !important; /* Specific override */
        padding-bottom: 40px;
    }

    .page-about__main-title {
        font-size: 2.2rem;
        margin-bottom: 15px;
    }

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

    /* 4. Buttons and button containers */
    .page-about__cta-buttons {
        flex-direction: column;
        gap: 15px;
        padding: 0 15px;
    }

    .page-about__btn {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding: 12px 20px;
        font-size: 0.95rem;
    }

    .page-about__btn--large {
        padding: 15px 25px;
        font-size: 1.05rem;
    }
    
    .page-about__btn-link {
        width: auto !important;
        max-width: none !important;
    }

    /* 2. Single column long text containers */
    .page-about__container {
        padding: 0 15px;
    }

    .page-about__section {
        padding: 40px 0;
    }

    .page-about__heading {
        font-size: 1.8rem;
        margin-bottom: 20px;
    }

    .page-about__sub-heading {
        font-size: 1.3rem;
        margin-top: 30px;
        margin-bottom: 15px;
    }

    .page-about__list {
        margin-left: 20px;
    }

    .page-about__list li {
        font-size: 0.95rem;
    }

    .page-about__values-grid, .page-about__products-grid, .page-about__advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 20px;
    }

    .page-about__value-card, .page-about__product-card, .page-about__advantage-item {
        padding: 20px;
    }

    .page-about__value-title, .page-about__product-title, .page-about__advantage-title {
        font-size: 1.2rem;
    }

    /* 3. General images and figure */
    .page-about img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
        display: block;
    }
    
    .page-about__image-figure {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden;
    }

    /* 5. FAQ section */
    .page-about__faq-question {
        padding: 15px 20px;
        font-size: 1rem;
    }

    .page-about__faq-answer {
        padding: 0 20px 15px 20px;
        font-size: 0.9rem;
    }

    .page-about__faq-list {
        margin-top: 20px;
    }
    
    .page-about__section-description {
        font-size: 1rem;
        margin-bottom: 25px;
    }

    .page-about__call-to-action {
        padding: 40px 0;
    }
}