/* ===== Container ===== */
.thirdCategory-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Hero Section ===== */
.thirdCategory-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    background-image: url('https://metallprofil.uz/upload/resize_cache/iblock/8b0/1441_1441_0/Metallocherepitsa_Montekristo.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    text-align: center;
    padding: 80px 20px;
}

.thirdCategory-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(44, 62, 80, 0.75);
    z-index: 1;
}

.thirdCategory-hero .thirdCategory-container {
    position: relative;
    z-index: 2;
}

.thirdCategory-hero-title {
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    color: #fff !important;
}

.thirdCategory-hero-subtitle {
    margin-bottom: 2.5rem;
    opacity: 0.95;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* ===== Text Block with Fade-in Animation ===== */
.thirdCategory-text-block {
    padding: 80px 20px;
    background: #fff;
    position: relative;
    /* Создаем прокручиваемый контекст для анимации */
    view-timeline: --textBlock;
    view-timeline-inset: 200px;
}

.thirdCategory-text-content {
    max-width: 900px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUp 1.2s ease-out forwards;
    /* Анимация при появлении в viewport */
    animation-timeline: view(--textBlock);
    animation-range: entry 0% entry 50%;
}

/* Fallback для браузеров без поддержки scroll-driven animations */
@supports not (animation-timeline: view()) {
    .thirdCategory-text-content {
        opacity: 0;
        transform: translateY(40px);
        animation: fadeInUp 1.2s ease-out 0.5s forwards;
    }
}

.thirdCategory-text-title {
    text-align: center;
    margin-bottom: 3rem;
    color: #2c3e50;
    font-weight: 700;
    line-height: 1.3;
}

.thirdCategory-text-section {
    margin-bottom: 3rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.thirdCategory-text-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #e74c3c 0%, #c0392b 50%, #e74c3c 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.thirdCategory-text-section:hover::before {
    transform: scaleX(1);
}

.thirdCategory-text-section:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12), 0 5px 15px rgba(0, 0, 0, 0.08);
}

.thirdCategory-text-section:last-child {
    margin-bottom: 0;
}

.thirdCategory-text-section:nth-child(1) {
    background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
}

.thirdCategory-text-section:nth-child(2) {
    background: linear-gradient(135deg, #ffffff 0%, #fff5f5 100%);
}

.thirdCategory-text-section:nth-child(3) {
    background: linear-gradient(135deg, #ffffff 0%, #f5fff5 100%);
}

.thirdCategory-text-section:nth-child(4) {
    background: linear-gradient(135deg, #ffffff 0%, #fffaf5 100%);
}

.thirdCategory-text-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    box-shadow: 0 8px 20px rgba(231, 76, 60, 0.3);
    transition: all 0.4s ease;
    position: relative;
}

.thirdCategory-text-section:hover .thirdCategory-text-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 30px rgba(231, 76, 60, 0.4);
}

.thirdCategory-text-icon::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: linear-gradient(135deg, #e74c3c, #c0392b, #e74c3c);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
    filter: blur(8px);
}

.thirdCategory-text-section:hover .thirdCategory-text-icon::after {
    opacity: 0.6;
}

.thirdCategory-text-heading {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.3;
}

.thirdCategory-text-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: #555;
    text-align: left;
}

.thirdCategory-text-content p:last-child {
    margin-bottom: 0;
}

.thirdCategory-text-content p strong {
    color: #2c3e50;
    font-weight: 600;
}

.thirdCategory-text-highlight {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
    padding: 2rem;
    border-radius: 16px;
    margin: 2rem 0;
    text-align: center;
    box-shadow: 0 10px 30px rgba(231, 76, 60, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.thirdCategory-text-highlight::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.thirdCategory-text-highlight strong {
    color: white;
    font-weight: 600;
}

.thirdCategory-text-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.thirdCategory-text-feature {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.thirdCategory-text-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #e74c3c, #c0392b);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.thirdCategory-text-feature:hover::before {
    transform: scaleX(1);
}

.thirdCategory-text-feature:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.thirdCategory-text-feature-number {
    display: block;
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.75rem;
}

.thirdCategory-text-feature-label {
    display: block;
    color: #666;
    line-height: 1.4;
}

.thirdCategory-text-guarantee {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    padding: 2rem;
    border-radius: 16px;
    margin: 2rem 0;
    color: #2e7d32;
    box-shadow: 0 8px 20px rgba(76, 175, 80, 0.2);
    position: relative;
    overflow: hidden;
}

.thirdCategory-text-guarantee::before {
    content: '✓';
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 4rem;
    color: rgba(76, 175, 80, 0.15);
    line-height: 1;
}

.thirdCategory-text-guarantee strong {
    color: #1b5e20;
}

.thirdCategory-text-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.thirdCategory-text-list li {
    padding: 1.25rem 1.25rem 1.25rem 5.5rem;
    margin-bottom: 1rem;
    background: white;
    border-radius: 12px;
    position: relative;
    color: #555;
    line-height: 1.6;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.thirdCategory-text-list li:hover {
    transform: translateX(8px);
    border-color: #4caf50;
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.15);
}

.thirdCategory-text-list li::before {
    content: "✓";
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #4caf50 0%, #388e3c 100%);
    color: white;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(76, 175, 80, 0.3);
}

.thirdCategory-text-list li:last-child {
    margin-bottom: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Buttons ===== */
.thirdCategory-btn {
    display: inline-block;
    padding: 15px 35px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    color: inherit;
}

a.thirdCategory-btn {
    border: none;
    text-decoration: none !important;
}

.thirdCategory-btn-primary {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.thirdCategory-btn-primary:hover {
    background: linear-gradient(135deg, #c0392b 0%, #a93226 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
}

.thirdCategory-btn-outline {
    background: transparent;
    color: #e74c3c;
    border: 2px solid #e74c3c;
}

a.thirdCategory-btn-outline {
    border: 2px solid #e74c3c;
}

.thirdCategory-btn-outline:hover {
    background: #e74c3c;
    color: white;
}

.thirdCategory-btn-block {
    width: 100%;
    display: block;
}

.thirdCategory-btn-whatsapp {
    background: #25d366;
    color: white;
    margin-top: 15px;
}

.thirdCategory-btn-whatsapp:hover {
    background: #20ba5a;
    transform: translateY(-2px);
}

/* ===== Section Styles ===== */
section {
    padding: 80px 20px;
}

.thirdCategory-section-title {
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #2c3e50;
}

/* ===== Advantages Section ===== */
.thirdCategory-advantages {
    background: #f8f9fa;
}

.thirdCategory-advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.thirdCategory-advantage-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.thirdCategory-advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.thirdCategory-advantage-icon {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin: 0 auto 1rem auto;
    display: block;
}

.thirdCategory-advantage-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.thirdCategory-advantage-card p {
    color: #666;
    line-height: 1.6;
}

/* ===== Catalog Section ===== */
.thirdCategory-catalog {
    background: white;
}

.thirdCategory-catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.thirdCategory-catalog-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.thirdCategory-catalog-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.thirdCategory-catalog-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: #ecf0f1;
}

.thirdCategory-catalog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.thirdCategory-catalog-item:hover .thirdCategory-catalog-image img {
    transform: scale(1.05);
}

.thirdCategory-catalog-content {
    padding: 1.5rem;
}

.thirdCategory-catalog-content h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.thirdCategory-catalog-specs {
    list-style: none;
    margin-bottom: 1rem;
    color: #666;
}

.thirdCategory-catalog-specs li {
    margin-bottom: 0.5rem;
}

.thirdCategory-catalog-price {
    font-weight: 700;
    color: #e74c3c;
    margin-bottom: 1rem;
}

/* ===== Calculator Section ===== */
.calculator {
    background: linear-gradient(135deg, #34495e 0%, #2c3e50 100%);
    color: white;
}

.calculator .thirdCategory-section-title {
    color: white;
}

.calculator-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.calculator-form {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #2c3e50;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #e74c3c;
}

.form-error {
    display: block;
    color: #e74c3c;
    margin-top: 0.5rem;
}

/* ===== How We Work Section ===== */
.thirdCategory-how-we-work {
    background: #f8f9fa;
}

.thirdCategory-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    position: relative;
}

.thirdCategory-step {
    text-align: center;
    position: relative;
    animation: wave-bounce 2s ease-in-out infinite;
}

.thirdCategory-step:nth-child(1) {
    animation-delay: 0s;
}

.thirdCategory-step:nth-child(2) {
    animation-delay: 0.2s;
}

.thirdCategory-step:nth-child(3) {
    animation-delay: 0.4s;
}

.thirdCategory-step:nth-child(4) {
    animation-delay: 0.6s;
}

.thirdCategory-step:nth-child(5) {
    animation-delay: 0.8s;
}

@keyframes wave-bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

.thirdCategory-step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 1rem;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.thirdCategory-step h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.thirdCategory-step p {
    color: #666;
}

/* ===== Gallery Section ===== */
.thirdCategory-gallery {
    background: white;
}

.thirdCategory-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.thirdCategory-gallery-item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.thirdCategory-gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.thirdCategory-gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.thirdCategory-gallery-caption {
    padding: 1.5rem;
    background: #f8f9fa;
}

.thirdCategory-gallery-caption p {
    margin-bottom: 0.5rem;
    color: #666;
}

/* ===== Info Block Section ===== */
.thirdCategory-info-block {
    background: #f8f9fa;
}

.thirdCategory-info-content {
    max-width: 900px;
    margin: 0 auto;
}

.thirdCategory-info-text {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.thirdCategory-info-text h3 {
    color: #2c3e50;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.thirdCategory-info-text h3:first-child {
    margin-top: 0;
}

.thirdCategory-info-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.thirdCategory-info-text p:last-child {
    margin-bottom: 0;
}

.thirdCategory-additional-text {
    padding: 100px 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 50%, #f8f9fa 100%);
    position: relative;
    overflow: hidden;
}

.thirdCategory-additional-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #e74c3c, #c0392b, #e74c3c);
    background-size: 200% 100%;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.thirdCategory-additional-content {
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.thirdCategory-additional-text .thirdCategory-section-title {
    position: relative;
    padding-bottom: 1.5rem;
    margin-bottom: 3rem;
}

.thirdCategory-additional-text .thirdCategory-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #e74c3c, transparent);
    border-radius: 2px;
}

.thirdCategory-additional-text-content {
    margin-top: 2rem;
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.thirdCategory-additional-text-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
}

.thirdCategory-additional-text-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #e74c3c, #c0392b);
    border-radius: 16px 0 0 16px;
}

.thirdCategory-text-details {
    margin-bottom: 1rem;
    position: relative;
}

.thirdCategory-text-details summary {
    color: #555;
    line-height: 1.9;
    text-align: justify;
    position: relative;
    padding-left: 1.8rem;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    cursor: pointer;
    list-style: none;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
    opacity: 0.7;
}

.thirdCategory-text-details summary::-webkit-details-marker {
    display: none;
}

.thirdCategory-text-details summary::before {
    content: '▸';
    position: absolute;
    left: 0.5rem;
    color: #e74c3c;
    font-size: 0.9rem;
    opacity: 0.7;
    transition: all 0.3s ease;
    top: 0.6rem;
    font-weight: bold;
}

.thirdCategory-text-details[open] summary::before {
    content: '▾';
    opacity: 1;
}

.thirdCategory-text-details summary:hover {
    opacity: 1;
    border-left-color: #e74c3c;
    background: rgba(231, 76, 60, 0.03);
    padding-left: 2rem;
}

.thirdCategory-text-details summary:hover::before {
    opacity: 1;
    transform: translateX(2px);
}

.thirdCategory-text-details[open] summary {
    opacity: 1;
    border-left-color: #e74c3c;
    background: rgba(231, 76, 60, 0.05);
    margin-bottom: 0.5rem;
}

.thirdCategory-text-details p {
    color: #555;
    line-height: 1.9;
    margin-bottom: 1.8rem;
    text-align: justify;
    padding-left: 1.8rem;
    padding-top: 0;
    padding-bottom: 0;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.thirdCategory-additional-text-content>p:first-child {
    color: #444;
    font-weight: 500;
    padding-left: 0;
    opacity: 1;
    margin-bottom: 1.8rem;
    cursor: default;
    border-left: none;
    background: transparent;
    padding-top: 0;
    margin-top: 0;
    line-height: 1.9;
    text-align: justify;
}

.thirdCategory-additional-text-content>p:first-child:hover {
    opacity: 1;
    border-left-color: transparent;
    background: transparent;
    padding-left: 0;
}

.thirdCategory-additional-text-content p:last-child {
    margin-bottom: 0;
}

/* ===== Comparison Section ===== */
.thirdCategory-comparison {
    background: white;
}

.thirdCategory-comparison-table {
    overflow-x: auto;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.thirdCategory-comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.thirdCategory-comparison-table th {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 1.5rem;
    text-align: left;
    font-weight: 600;
}

.thirdCategory-comparison-table td {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid #ecf0f1;
    color: #666;
}

.thirdCategory-comparison-table tr:last-child td {
    border-bottom: none;
}

.thirdCategory-comparison-table tr:nth-child(even) {
    background: #f8f9fa;
}

.thirdCategory-comparison-table td:first-child {
    font-weight: 600;
    color: #2c3e50;
}

/* ===== FAQ Section ===== */
.thirdCategory-faq {
    background: #f8f9fa;
}

.thirdCategory-faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.thirdCategory-faq-item {
    background: white;
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.thirdCategory-faq-question {
    padding: 1.5rem;
    font-weight: 600;
    color: #2c3e50;
    cursor: pointer;
    list-style: none;
    position: relative;
    user-select: none;
}

.thirdCategory-faq-question::marker {
    display: none;
}

.thirdCategory-faq-question::after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: #e74c3c;
    transition: transform 0.3s ease;
}

.thirdCategory-faq-item[open] .thirdCategory-faq-question::after {
    transform: translateY(-50%) rotate(45deg);
}

.thirdCategory-faq-question:hover {
    background: #f8f9fa;
}

.thirdCategory-faq-answer {
    padding: 0 1.5rem 1.5rem;
    color: #666;
    line-height: 1.6;
}

/* ===== CTA Final Section ===== */
.thirdCategory-cta-final {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    text-align: center;
}

.thirdCategory-cta-final .thirdCategory-section-title {
    color: white;
}

.thirdCategory-cta-subtitle {
    margin-bottom: 2rem;
    opacity: 0.95;
}

.thirdCategory-cta-form {
    max-width: 700px;
    margin: 0 auto 3rem;
}

.thirdCategory-form-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.thirdCategory-form-row input {
    flex: 1;
    min-width: 200px;
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-family: inherit;
}

.thirdCategory-form-row input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.3);
}

.contacts {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-top: 3rem;
}


.contact-item strong {
    display: block;
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: white;
    text-decoration: none;
    opacity: 0.9;
}

.contact-item a:hover {
    opacity: 1;
    text-decoration: underline;
}

.contact-item span {
    opacity: 0.9;
}

/* ===== Footer ===== */
.footer {
    background: #1a252f;
    color: white;
    text-align: center;
    padding: 2rem 20px;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .thirdCategory-hero {
        min-height: 80vh;
        padding: 60px 20px;
    }

    section {
        padding: 60px 20px;
    }

    .thirdCategory-advantages-grid,
    .thirdCategory-catalog-grid,
    .thirdCategory-gallery-grid,
    .thirdCategory-steps {
        grid-template-columns: 1fr;
    }

    .thirdCategory-form-row {
        flex-direction: column;
    }

    .thirdCategory-form-row input,
    .thirdCategory-form-row .thirdCategory-btn {
        width: 100%;
    }

    .contacts {
        flex-direction: column;
        gap: 1.5rem;
    }


    .thirdCategory-comparison-table th,
    .thirdCategory-comparison-table td {
        padding: 1rem;
    }

    .calculator-form {
        padding: 1.5rem;
    }

    .thirdCategory-catalog-image,
    .thirdCategory-gallery-item img {
        height: 200px;
    }

    .thirdCategory-additional-text {
        padding: 60px 15px;
    }

    .thirdCategory-additional-text-content {
        padding: 2rem 1.5rem;
        border-radius: 12px;
    }

    .thirdCategory-text-details summary {
        font-size: 1rem;
        padding-left: 1.5rem;
        line-height: 1.8;
    }

    .thirdCategory-text-details p {
        font-size: 1rem;
        padding-left: 1.5rem;
        line-height: 1.8;
    }

    .thirdCategory-additional-text-content>p:first-child {
        font-size: 1.05rem;
    }
}

@media (max-width: 480px) {
    .thirdCategory-btn {
        padding: 12px 25px;
    }

    .thirdCategory-advantage-card,
    .thirdCategory-catalog-content,
    .thirdCategory-info-text {
        padding: 2rem 1.5rem;
    }

    .thirdCategory-text-section {
        padding: 1.5rem;
    }

    .thirdCategory-text-features {
        grid-template-columns: 1fr;
    }

    .thirdCategory-text-title {
        margin-bottom: 2rem;
    }
}