/* Описание */
.product-desc-wrapper { margin-bottom: 20px; }
.product-desc { font-size: 14px; color: #555; line-height: 1.6; margin-bottom: 10px; transition: all 0.3s ease; }
.product-desc p { margin: 0 0 .8em; }
.product-desc p:last-child { margin-bottom: 0; }
.product-desc ul, .product-desc ol { margin: 0 0 .8em 1.5em; }
.product-desc blockquote { margin: .8em 0 .8em 1.5em; padding-left: .75em; border-left: 3px solid #cbd4e2; }
.product-desc.collapsed {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.btn-read-more {
    background: none;
    border: none;
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
    font-family: inherit;
}

/* FAQ */
.faq-section { max-width: 900px; margin: 40px auto 0; padding: 0 5%; position: relative; z-index: 10; }
.faq-category { margin-bottom: 40px; }
.faq-category h2 {
    font-size: 20px;
    font-weight: 800;
    color: var(--dark-blue);
    margin-bottom: 15px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    z-index: 2;
}
.faq-category h2::before {
    content: '';
    display: block;
    width: 4px;
    height: 20px;
    background: var(--accent-yellow);
    border-radius: 2px;
    flex-shrink: 0;
}
.faq-list { background: #fff; border-radius: 15px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); overflow: hidden; border: 1px solid #eee; }
.faq-item { border-bottom: 1px solid #eee; }
.faq-item:last-child { border-bottom: none; }
.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 20px 25px;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
}
.faq-question:hover { background: #f9faff; }
.faq-question h3 { font-size: 16px; font-weight: 700; color: var(--text-dark); margin: 0; padding-right: 20px; transition: color 0.3s; }
.faq-question:hover h3 { color: var(--primary-blue); }
.faq-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #eef2ff;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    flex-shrink: 0;
    transition: transform 0.3s, background 0.3s, color 0.3s;
}
.faq-item.active .faq-question { background: #f9faff; }
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--primary-blue); color: #fff; }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 25px;
    color: #555;
    font-size: 15px;
    line-height: 1.6;
}
.faq-item.active .faq-answer { max-height: 500px; padding: 0 25px 20px 25px; }

/* Контакты */
.contacts-section {
    max-width: 1100px;
    margin: 40px auto 0;
    padding: 0 5%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    position: relative;
    z-index: 10;
}
.contact-info-block { display: flex; flex-direction: column; gap: 20px; }
.contact-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    border: 1px solid #eee;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    transition: transform 0.3s;
}
.contact-card:hover { transform: translateY(-3px); }
.contact-icon {
    width: 50px;
    height: 50px;
    background: #eef2ff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    flex-shrink: 0;
}
.contact-icon svg { width: 24px; height: 24px; fill: currentColor; }
.contact-details h3 { font-size: 16px; font-weight: 800; color: var(--dark-blue); margin-bottom: 5px; text-transform: uppercase; }
.contact-details a, .contact-details p { font-size: 15px; color: #555; text-decoration: none; font-weight: 600; transition: color 0.2s; }
.contact-details a:hover { color: var(--primary-blue); }
.contact-details .sub-text { font-size: 13px; color: #888; font-weight: 400; margin-top: 5px; }
.contact-form-block { background: var(--card-bg); border-radius: 15px; padding: 35px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); border: 1px solid #eee; }
.contact-form-block h2 { font-size: 22px; font-weight: 800; color: var(--dark-blue); margin-bottom: 25px; text-transform: uppercase; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; }
.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
    font-size: 15px;
    background: #f9faff;
    transition: border-color 0.3s, box-shadow 0.3s;
    outline: none;
}
.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 85, 255, 0.1);
    background: #fff;
}
.form-group textarea { resize: vertical; min-height: 120px; }
.contact-form-trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.btn-submit {
    background-color: var(--primary-blue);
    color: #fff;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: 800;
    font-size: 16px;
    font-family: inherit;
    cursor: pointer;
    width: 100%;
    text-transform: uppercase;
    transition: background 0.3s;
}
.btn-submit:hover { background-color: var(--dark-blue); }
.requisites { max-width: 1100px; margin: 40px auto 0; padding: 0 5%; font-size: 13px; color: #777; text-align: center; }

/* CTA Блок */
.cta-block { max-width: 900px; margin: 0 auto 60px; padding: 0 5%; }
.cta-inner {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    color: #fff;
    box-shadow: 0 15px 30px rgba(0, 85, 255, 0.2);
}
.cta-inner h2 { font-size: 24px; font-weight: 800; margin-bottom: 10px; }
.cta-inner p { margin-bottom: 25px; opacity: 0.9; }
.btn-main {
    background-color: var(--accent-yellow);
    color: var(--text-dark);
    text-decoration: none;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 15px;
    text-transform: uppercase;
    display: inline-block;
    transition: transform 0.2s, box-shadow 0.2s;
}
.btn-main:hover { transform: translateY(-3px); box-shadow: 0 5px 15px rgba(255, 204, 0, 0.4); }

/* --- FOOTER --- */
footer {
    background-color: var(--dark-blue);
    color: #fff;
    padding: 30px 5%;
    text-align: center;
    font-size: 13px;
    margin-top: auto;
}
footer a { color: var(--accent-yellow); text-decoration: none; }

/* --- АДАПТИВНОСТЬ --- */
@media (max-width: 900px) {
    nav { display: none; }
    .burger { display: flex; }
    .hero { display: none; }
    .categories { padding-top: 30px; }
    .product-grid { grid-template-columns: 1fr; }
    .product-slider-wrapper { height: 300px; }
    .contacts-section { grid-template-columns: 1fr; margin-top: 30px; gap: 30px; }
    .contact-form-block { padding: 25px; }
    .faq-section { margin-top: 30px; }
    .cta-inner { padding: 30px 20px; }
}

@media (max-width: 480px) {
    .product-grid { grid-template-columns: 1fr; }
    .category-card { min-height: auto; padding: 20px; }
    .faq-question { padding: 15px 20px; }
    .faq-question h3 { font-size: 15px; }
    .faq-item.active .faq-answer { padding: 0 20px 15px 20px; }
}