:root {
    --white-pkmm3: #ffffff;
    --dark-pkmm3: #122538;
    --accent-pkmm3: #f6851d;
    --gray-bg-pkmm3: #f4f4f4;
    --text-muted-pkmm3: #666;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--dark-pkmm3);
    background-color: var(--white-pkmm3);
    line-height: 1.6;
}

.container-sh3pkmm {
    font-size: 1.8rem;
    max-width: 1200px;
    margin: 0 auto;
    /* padding: 0 1px; */
}

/* Hero Section */
.hero-sh3pkmm {
    height: auto;
    min-height: 0;
    padding: clamp(34px, 5vw, 72px) 20px;
      background: url('https://pkmm.ru/image/catalog/dsa/2-3.jpg') center/cover no-repeat;
    position: relative;
}

.navbar-sh3pkmm {
    background: rgba(18, 37, 56, 0.95);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 10%;
}

.logo-sh3pkmm {
    font-weight: bold;
    letter-spacing: 2px;
}

.logo-sh3pkmm span { color: var(--accent-pkmm3); }

.hero-content-sh3pkmm {
    display: flex;
    justify-content: center;
    align-items: center;
    height: auto;
    min-height: 0;
}

.hero-overlay-sh3pkmm {
    background: rgba(18, 37, 56, 0.85);
    color: white;
    padding: 60px;
    text-align: center;
    max-width: 700px;
}

.hero-overlay-sh3pkmm h1 {
    font-size: 4rem;
    color: white;
    margin: 0;
    border-bottom: 2px solid var(--accent-pkmm3);
    display: inline-block;
    padding-bottom: 10px;
}

.hero-overlay-sh3pkmm p {
    font-size: 2rem;
    margin: 20px 0;
    letter-spacing: 1px;
}

.btn-main-sh3pkmm {
    background: var(--accent-pkmm3);
    color: white;
    border: none;
    padding: 15px 40px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-main-sh3pkmm:hover {
    color: white;
    transform: scale(1.05);
    background: #e57610;
}

/* Grid Sections */
.grid-4-sh3pkmm {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.type-card-sh3pkmm {
    background: var(--white-pkmm3);
    padding: 40px 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-bottom: 4px solid var(--dark-pkmm3);
    display: flex;
    flex-direction: column;
}

.icon-box-sh3pkmm {
    color: var(--dark-pkmm3);
    margin-bottom: 20px;
}

.icon-box-sh3pkmm svg { width: 50px; height: 50px; }

/* Benefits Section */
.benefits-sh3pkmm {
    padding: 30px 1%;
    background-color: var(--gray-bg-pkmm3);
    text-align: center;
}

.benefits-sh3pkmm h2 {
    margin-bottom: 50px;
    position: relative;
    font-size: 3rem;
}

.benefits-grid-sh3pkmm {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.benefit-item-sh3pkmm {
    background: white;
    border: 1px solid #e0e0e0;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: 0.3s;
}

.benefit-item-sh3pkmm:hover {
    border-color: var(--accent-pkmm3);
}

.b-icon-sh3pkmm {
    color: var(--accent-pkmm3);
    padding: 10px;
    width: 40px;
    height: 40px;
    margin-bottom: 15px;
}

.benefit-item-sh3pkmm h4 {font-size: 2rem;margin: 10px 0;color: var(--dark-pkmm3);}
.benefit-item-sh3pkmm p { color: var(--text-muted-pkmm3); }

/* Gallery Style (3rd screen) */
.ral-section-sh3pkmm {
    padding: 50px 0;
    text-align: center;
}

.cta-banner-sh3pkmm {
    background: url('https://images.unsplash.com/photo-1581094794329-c8112a89af12?auto=format&fit=crop&w=1200&q=80') center/center;
    padding: 40px;
    margin-bottom: 40px;
}

.gallery-slider-sh3pkmm {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 30px;
}

.gallery-item-sh3pkmm img {
    width: 300px;
    height: 250px;
    object-fit: cover;
    border: 1px solid #ddd;
}

.nav-btn-sh3pkmm {
    background: #122538;
    color: white;
    border: none;
    padding: 20px 10px;
    cursor: pointer;
}

@media (max-width: 992px) {
    .hero-sh3pkmm {
        height: auto;
        padding: 40px 20px;
    }

    .hero-content-sh3pkmm {
        height: auto;
        min-height: 0;
    }

    .hero-overlay-sh3pkmm {
        width: 100%;
        max-width: 680px;
        padding: 36px 24px;
        box-sizing: border-box;
    }
}

@media (max-width: 768px) {
    .benefits-grid-sh3pkmm { grid-template-columns: 1fr; }

    .hero-sh3pkmm {
        height: auto;
        padding: 30px 14px;
        background-position: center;
    }

    .hero-content-sh3pkmm {
        min-height: 0;
    }

    .hero-overlay-sh3pkmm {
        padding: 24px 16px;
    }

    .hero-overlay-sh3pkmm h1 {
        line-height: 1.25;
    }

    .hero-overlay-sh3pkmm p {
        letter-spacing: 0;
        margin: 14px 0;
    }

    .kicker-sh3pkmm {
        letter-spacing: 0.4px;
        padding: 6px 10px;
    }

    .hero-actions-sh3pkmm {
        gap: 10px;
    }

    .btn-main-sh3pkmm,
    .btn-secondary-sh3pkmm {
        width: 100%;
        padding: 12px 14px;
        box-sizing: border-box;
    }
}

@media (max-width: 480px) {
    .hero-sh3pkmm {
        height: auto;
    }
}

/* Additional Sections Styles */
.kicker-sh3pkmm {
    font-size: 2rem;
    display: inline-block;
    background: rgba(246, 133, 29, 0.9);
    color: white;
    padding: 8px 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.hero-actions-sh3pkmm {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 25px;
}

.btn-secondary-sh3pkmm {
    background: transparent;
    color: white;
    border: 2px solid white;
    padding: 15px 40px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary-sh3pkmm:hover {
    background: white;
    color: var(--dark-pkmm3);
}

.about-section-sh3pkmm {
    padding: 30px 1%;
    background: white;
    text-align: center;
}

.about-section-sh3pkmm h2 {
    font-size: 4rem;
    color: var(--dark-pkmm3);
    margin-bottom: 30px;
}
.types-section-sh3pkmm h2 {
      font-size: 4rem;
    color: var(--dark-pkmm3);
    margin-bottom: 30px;
}

.about-section-sh3pkmm p {
    font-size: 1.8rem;
    color: var(--text-muted-pkmm3);
    max-width: 1000px;
    margin: 0 auto 20px;
}

.section-desc-sh3pkmm {
    font-size: 2rem;
    text-align: center;
    color: var(--text-muted-pkmm3);
    max-width: 1000px;
    margin: 0 auto 40px;
}

.grid-3-sh3pkmm {
    margin: 5px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.type-features-sh3pkmm {
    list-style: none;
    padding: 0;
    margin-top: 20px;
    color: var(--text-muted-pkmm3);
}

.type-features-sh3pkmm li {
    padding: 5px 0;
    border-bottom: 1px solid #eee;
}

.type-image-sh3pkmm img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 20px;
}

.type-link-sh3pkmm {
    display: inline-block;
    margin-top: auto;
    padding: 10px 20px;
    background: var(--dark-pkmm3);
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
}

.type-link-sh3pkmm:hover {
    color: white;
    background: #0d1a2a;
}

.coatings-section-sh3pkmm {
    padding: 30px 1%;
    background: var(--gray-bg-pkmm3);
    text-align: center;
}

.coatings-section-sh3pkmm h2 {
    font-size: 4rem;
    margin-bottom: 20px;
}

.coatings-grid-sh3pkmm {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.coating-card-sh3pkmm {
    background: white;
    padding: 30px;
    text-align: left;
    border-left: 4px solid var(--accent-pkmm3);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.coating-card-sh3pkmm h3 {
    font-size: 2.5rem;
    color: var(--dark-pkmm3);
    margin-bottom: 15px;
}

.coating-card-sh3pkmm p {
    color: var(--text-muted-pkmm3);
    line-height: 1.5;
}

.steps-section-sh3pkmm {
    padding: 30px 1%;
    background: white;
    text-align: center;
}

.steps-section-sh3pkmm h2 {
    font-size: 3rem;
    margin-bottom: 50px;
}

.steps-grid-sh3pkmm {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.step-item-sh3pkmm {
    text-align: left;
    padding: 30px;
    background: var(--gray-bg-pkmm3);
    border-bottom: 4px solid var(--accent-pkmm3);
}

.step-num-sh3pkmm {
    font-size: 3rem;
    font-weight: bold;
    color: var(--accent-pkmm3);
    margin-bottom: 15px;
}

.step-item-sh3pkmm h3 {
    color: var(--dark-pkmm3);
    margin-bottom: 10px;
}

.step-item-sh3pkmm p {
    color: var(--text-muted-pkmm3);
}

.applications-section-sh3pkmm {
    padding: 30px 1%;
    background: var(--dark-pkmm3);
    color: white;
    text-align: center;
}

.applications-section-sh3pkmm h2 {
    font-size: 4rem;
    margin-bottom: 50px;
    color: white;
}

.applications-grid-sh3pkmm {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.app-item-sh3pkmm {
    padding: 10px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
}

.app-image-sh3pkmm img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}

.app-image-sh3pkmm {
    border-radius: 6px;
    overflow: hidden;
}

.app-item-sh3pkmm:hover .app-image-sh3pkmm img {
    transform: scale(1.06);
}

.app-item-sh3pkmm h4 {
    font-size: 2rem;
    color: white;
    margin-bottom: 10px;
}

.app-item-sh3pkmm p {
    color: rgba(255,255,255,0.7);
}

.tips-section-sh3pkmm {
    padding: 30px 1%;
    background: var(--gray-bg-pkmm3);
    text-align: center;
}

.tips-section-sh3pkmm h2 {
    font-size: 3rem;
    margin-bottom: 50px;
}

.tips-grid-sh3pkmm {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.tip-card-sh3pkmm {
    background: white;
    padding: 30px;
    text-align: left;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.tip-icon-sh3pkmm {
    color: var(--accent-pkmm3);
    margin-bottom: 15px;
}

.tip-card-sh3pkmm h3 {
    color: var(--dark-pkmm3);
    margin-bottom: 10px;
}

.tip-card-sh3pkmm p {
    color: var(--text-muted-pkmm3);
}

.faq-section-sh3pkmm {
    padding: 30px 1%;
    background: white;
    text-align: center;
}

.faq-section-sh3pkmm h2 {
    font-size: 4rem;
    margin-bottom: 50px;
}

.faq-grid-sh3pkmm {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    text-align: left;
}

.faq-item-sh3pkmm {
    background: var(--gray-bg-pkmm3);
    padding: 30px;
    border-radius: 4px;
}

.faq-item-sh3pkmm h3 {
    font-size: 2.2rem;
    color: var(--dark-pkmm3);
    margin-bottom: 15px;
}

.faq-item-sh3pkmm p {
    color: var(--text-muted-pkmm3);
}

.seealso-section-sh3pkmm {
    padding: 30px 1%;
    background: var(--gray-bg-pkmm3);
    text-align: center;
}

.seealso-section-sh3pkmm h2 {
    font-size: 4rem;
    margin-bottom: 20px;
}

.seealso-grid-sh3pkmm {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.seealso-card-sh3pkmm {
    background: white;
    padding: 40px 30px;
    border-bottom: 4px solid var(--accent-pkmm3);
    transition: transform 0.2s;
    display: flex;
    flex-direction: column;
}

.seealso-card-sh3pkmm:hover {
    transform: translateY(-5px);
}

.seealso-card-sh3pkmm h3 {
    font-size: 2rem;
    color: var(--dark-pkmm3);
    margin-bottom: 15px;
}

.seealso-card-sh3pkmm p {
    color: var(--text-muted-pkmm3);
    margin-bottom: 20px;
}

.seealso-image-sh3pkmm {
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 20px;
}

.seealso-image-sh3pkmm img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.seealso-btn-sh3pkmm {
    display: inline-block;
    margin-top: auto;
    padding: 10px 20px;
    background: var(--dark-pkmm3);
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
}

.seealso-btn-sh3pkmm:hover {
    color: white;
    background: #0d1a2a;
}

.cta-content-sh3pkmm {
    max-width: 700px;
    margin: 0 auto;
}

.cta-content-sh3pkmm h2 {
    font-size: 4rem;
    color: white;
    margin-bottom: 20px;
}

.cta-content-sh3pkmm p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 30px;
}

.cta-actions-sh3pkmm {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.ral-section-sh3pkmm {
    padding: 10px 10%;
    background: var(--dark-pkmm3);
}

.cta-banner-sh3pkmm {
    margin: 0px;
    background: var(--dark-pkmm3);
    padding: 30px;
    border: 1px solid rgba(255,255,255,0.2);
}

.contact-section-sh3pkmm {
    padding: 80px 10%;
    background: white;
    text-align: center;
}

.contact-section-sh3pkmm h2 {
    margin-bottom: 50px;
}

.contact-grid-sh3pkmm {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    text-align: left;
}

.contact-info-sh3pkmm h3,
.contact-links-sh3pkmm h3 {
    color: var(--dark-pkmm3);
    margin-bottom: 25px;
}

.contact-info-sh3pkmm p {
    color: var(--text-muted-pkmm3);
    margin-bottom: 15px;
}

.contact-info-sh3pkmm a {
    color: var(--accent-pkmm3);
    text-decoration: none;
}

.telegram-btn-sh3pkmm {
    margin-top: 25px;
    display: inline-block;
}

.catalog-links-sh3pkmm {
    list-style: none;
    padding: 0;
}

.catalog-links-sh3pkmm li {
    margin-bottom: 12px;
}

.catalog-links-sh3pkmm a {
    color: var(--text-muted-pkmm3);
    text-decoration: none;
    transition: color 0.2s;
}

.catalog-links-sh3pkmm a:hover {
    color: var(--accent-pkmm3);
}

.site-footer-sh3pkmm {
    background: var(--dark-pkmm3);
    color: rgba(255,255,255,0.6);
    padding: 30px 10%;
    text-align: center;
}

.site-footer-sh3pkmm p {
    margin: 0;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

main {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    overflow-x: hidden;
}

.hero-overlay-sh3pkmm {
    width: min(700px, 100%);
}

.grid-3-sh3pkmm > *,
.coatings-grid-sh3pkmm > *,
.steps-grid-sh3pkmm > *,
.applications-grid-sh3pkmm > *,
.tips-grid-sh3pkmm > *,
.faq-grid-sh3pkmm > *,
.seealso-grid-sh3pkmm > * {
    min-width: 0;
}

@media (max-width: 900px) {
    h2 {
        font-size: 2rem !important;
    }

    .container-sh3pkmm {
        padding: 0 14px;
    }

    .hero-sh3pkmm {
        height: auto;
        padding: 26px 14px;
        background-position: center;
        background-size: cover;
    }

    .hero-content-sh3pkmm {
        height: auto;
        min-height: 0;
    }

    .hero-overlay-sh3pkmm {
        max-width: 100%;
        padding: 22px 14px;
    }

    .hero-overlay-sh3pkmm h1 {
        font-size: 1.45rem;
        line-height: 1.25;
        word-break: break-word;
    }

    .hero-overlay-sh3pkmm p {
        font-size: 1.2rem;
        letter-spacing: 0;
    }

    .hero-actions-sh3pkmm {
        gap: 10px;
    }

    .btn-main-sh3pkmm,
    .btn-secondary-sh3pkmm {
        width: 100%;
        padding: 12px 14px;
        font-size: 1.2rem;
        text-align: center;
    }

    .grid-3-sh3pkmm,
    .coatings-grid-sh3pkmm,
    .steps-grid-sh3pkmm,
    .applications-grid-sh3pkmm,
    .tips-grid-sh3pkmm,
    .faq-grid-sh3pkmm,
    .seealso-grid-sh3pkmm,
    .contact-grid-sh3pkmm {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .type-card-sh3pkmm,
    .coating-card-sh3pkmm,
    .step-item-sh3pkmm,
    .app-item-sh3pkmm,
    .tip-card-sh3pkmm,
    .faq-item-sh3pkmm,
    .seealso-card-sh3pkmm {
        width: 100%;
        padding: 18px 14px;
    }

    .type-image-sh3pkmm img,
    .app-image-sh3pkmm img,
    .seealso-image-sh3pkmm img {
        width: 100%;
        aspect-ratio: 16 / 10;
        object-fit: cover;
    }

    .type-link-sh3pkmm,
    .seealso-btn-sh3pkmm {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 560px) {
    .kicker-sh3pkmm {
        font-size: 1rem;
        padding: 6px 10px;
    }

    .hero-overlay-sh3pkmm h1 {
        font-size: 1.5rem;
    }
}