/* Reset ve genel stiller */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    line-height: 1.6;
    color: #111;
    background: #fffbe6;
}

/* Renk teması değişkenleri */
:root {
    --main-yellow: #FFD600;
    --main-black: #111;
    --main-gray: #f5f5f5;
}

/* Header ve navigasyon */
.navbar {
    background-color: var(--main-black);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo h1 {
    color: var(--main-yellow);
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 1px;
    text-shadow: 1px 1px 2px #00000033;
}

.logo img {
    height: 72px;
    max-width: 260px;
    width: auto;
    display: block;
    object-fit: contain;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--main-yellow);
    font-weight: 500;
    transition: color 0.3s ease, background 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.nav-links a:hover {
    background: var(--main-yellow);
    color: var(--main-black);
}

/* Hero section */
.hero {
    width: 100%;
    position: relative;
    background-color: var(--main-gray);
    overflow: hidden;
    margin-top: 70px;
}

.swiper {
    width: 100%;
    height: 600px;
}

.swiper-slide {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #fff;
}

.swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    max-width: 800px;
}

.swiper-button-next,
.swiper-button-prev {
    color: var(--main-yellow);
}

.swiper-pagination-bullet-active {
    background: var(--main-yellow);
}

.hero-advantages {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-top: -40px;
    z-index: 2;
    position: relative;
}

.advantage-box {
    background: #fffbe6;
    border-radius: 16px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.08);
    padding: 1.5rem 2rem;
    text-align: center;
    min-width: 180px;
    max-width: 220px;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 2px solid #FFD600;
}

.advantage-box:hover {
    transform: translateY(-8px) scale(1.04);
    box-shadow: 0 8px 32px rgba(0,0,0,0.13);
}

.adv-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    margin: 0 auto 1rem auto;
    box-shadow: 0 2px 8px rgba(255,214,0,0.15);
}

.advantage-box h4 {
    color: #111;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.advantage-box p {
    color: #444;
    font-size: 1rem;
}

/* Ürünler section */
.featured-products {
    padding: 4rem 5%;
}

.featured-products h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--main-black);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.product-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    color: #FFD600;
    text-shadow: 0 2px 8px rgba(0,0,0,0.10);
}

.product-item {
    background: #fffbe6;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.10);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 2px solid #FFD600;
    padding-top: 0.5rem;
}

.product-item:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 8px 32px rgba(0,0,0,0.13);
    border-color: #111;
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-card h3 {
    padding: 1rem;
    color: var(--main-black);
}

.product-card p {
    padding: 0 1rem 1rem;
    color: #444;
}

/* Öne çıkan ürünler görsel boyutu ve kart köprüsü */
.featured-product-img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin: 1.5rem auto 1rem auto;
    display: block;
}

.product-card-link {
    text-decoration: none;
    display: block;
    transition: transform 0.2s;
}

.product-card-link:hover .product-card {
    box-shadow: 0 8px 24px rgba(0,0,0,0.18);
    transform: translateY(-8px) scale(1.05);
}

/* Footer */
footer {
    background-color: var(--main-black);
    color: var(--main-yellow);
    padding: 1.5rem 5% 1rem;
    text-align: center;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
    justify-items: center;
    align-items: start;
    text-align: center;
}

.footer-section {
    text-align: center;
}

.footer-section h3 {
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: var(--main-yellow);
    text-decoration: none;
    transition: color 0.3s ease, background 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.footer-section a:hover {
    color: #fff;
    background: var(--main-yellow);
    color: var(--main-black);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #FFD60044;
}

/* Responsive tasarım */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        padding: 1rem;
    }

    .nav-links {
        margin-top: 1rem;
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .swiper {
        height: 400px;
    }
}

@media (max-width: 480px) {
    .swiper {
        height: 300px;
    }
}

/* Hakkımızda sayfası stilleri */
.about-page {
    margin-top: 60px;
}

.about-hero {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('about-bg.jpg');
    background-size: cover;
    background-position: center;
    height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding-top: 60px;
    margin-top: 90px;
}

.about-content {
    max-width: 800px;
    padding: 2rem;
}

.about-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.about-details {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.about-section {
    margin-bottom: 3rem;
}

.about-section h2 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.about-section p {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.8;
}

.quality-list {
    list-style: none;
    padding: 0;
}

.quality-list li {
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
    color: #666;
    font-size: 1.1rem;
}

.quality-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
}

/* Ürünler sayfası stilleri */
.products-page {
    margin-top: 60px;
}

.products-hero {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('products-bg.jpg');
    background-size: cover;
    background-position: center;
    height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.products-content {
    max-width: 800px;
    padding: 2rem;
}

.products-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.products-grid {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.product-info {
    padding: 2rem;
}

.product-info h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.product-info p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.product-features {
    list-style: none;
    padding: 0;
}

.product-features li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    color: #666;
}

.product-features li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
}

/* İletişim sayfası stilleri */
.contact-page {
    margin-top: 60px;
}

.contact-hero {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('contact-bg.jpg');
    background-size: cover;
    background-position: center;
    height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.contact-content {
    max-width: 800px;
    padding: 2rem;
}

.contact-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-info {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.contact-form-container {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}

.contact-form-container h2 {
    color: #2c3e50;
    margin-bottom: 2rem;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
}

.submit-button {
    background: var(--main-yellow);
    color: var(--main-black);
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s, color 0.3s;
}

.submit-button:hover {
    background: var(--main-black);
    color: var(--main-yellow);
}

.contact-details {
    display: grid;
    gap: 2rem;
}

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}

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

.contact-card p {
    color: #666;
    margin-bottom: 0.5rem;
}

.map-container {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}

.map-container h2 {
    color: #2c3e50;
    margin-bottom: 2rem;
}

.map {
    width: 100%;
    height: 450px;
    border-radius: 5px;
    overflow: hidden;
}

/* Responsive tasarım için ek stiller */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-content h1 {
        font-size: 2rem;
    }

    .map {
        height: 300px;
    }
}

.company-intro {
    display: flex;
    gap: 3rem;
    margin-bottom: 4rem;
    align-items: center;
}

.section-image {
    flex: 1;
    max-width: 500px;
}

.section-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.section-content {
    flex: 1;
}

.company-description {
    margin-top: 1.5rem;
}

.company-description p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: #444;
    font-size: 1.1rem;
}

.company-description p:last-child {
    margin-bottom: 0;
}

/* Responsive düzenlemeler */
@media (max-width: 768px) {
    .company-intro {
        flex-direction: column;
        gap: 2rem;
    }

    .section-image {
        max-width: 100%;
    }
}

.catalog-section {
    background: #fffbe6;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.07);
    padding: 2rem 0 3rem 0;
    max-width: 900px;
    margin: 0 auto 4rem auto;
}

.catalog-section h2 {
    text-align: center;
    color: var(--main-black);
    margin-bottom: 0.5rem;
}

.catalog-img {
    width: 100%;
    max-width: 600px;
    height: 70vh;
    object-fit: contain;
    margin: 0 auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    background: #fff;
}

@media (max-width: 900px) {
    .catalog-img {
        max-width: 95vw;
        height: 55vw;
    }
}

@media (max-width: 600px) {
    .catalog-img {
        height: 45vw;
        min-height: 220px;
    }
    .catalog-section {
        padding: 1rem 0 2rem 0;
    }
}

.contact-flex {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

@media (max-width: 900px) {
    .contact-flex {
        flex-direction: column;
        gap: 1.5rem;
    }
    .map-container {
        margin-left: 0 !important;
    }
}

@media (max-width: 900px) {
    .hero-advantages { flex-direction: column; gap: 1.5rem; align-items: center; margin-top: 1rem; }
    .advantage-box { min-width: 160px; max-width: 95vw; }
}

.product-img {
    width: 100%;
    max-width: 220px;
    height: 180px;
    object-fit: contain;
    display: block;
    margin: 0 auto 1rem auto;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.10);
    background: #fff;
}

/* Modal pencere */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0; top: 0; width: 100vw; height: 100vh;
    overflow: auto;
    background: rgba(0,0,0,0.45);
    transition: background 0.2s;
}
.modal-content {
    background: #fffbe6;
    margin: 5% auto;
    padding: 2rem 2.5rem;
    border: 2px solid #FFD600;
    border-radius: 16px;
    max-width: 420px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    position: relative;
    animation: modalIn 0.25s cubic-bezier(.4,2,.6,1) both;
}
@keyframes modalIn {
    from { transform: scale(0.8) translateY(40px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}
.close {
    color: #111;
    position: absolute;
    top: 12px; right: 18px;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}
.close:hover { color: #FFD600; }
#modalBody h2 { color: #111; text-align: center; margin-bottom: 1rem; }
#modalBody h4 { color: #FFD600; margin-top: 1.5rem; }
#modalBody ul { margin: 0 0 1rem 1.2rem; color: #444; }

/* --- Hakkımızda Kartları ve Avantaj Kutuları Responsive ve Modern Düzenleme --- */
.about-cards {
    display: flex;
    gap: 2.5rem;
    justify-content: center;
    margin: 3rem 0 2.5rem 0;
    flex-wrap: wrap;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}
.about-card {
    background: linear-gradient(135deg, #fffbe6 80%, #fff3b0 100%);
    border-radius: 18px;
    box-shadow: 0 2px 18px rgba(0,0,0,0.10);
    padding: 2rem 2.2rem 2rem 2.2rem;
    text-align: center;
    min-width: 220px;
    max-width: 340px;
    border: 2px solid #FFD600;
    transition: transform 0.22s, box-shadow 0.22s;
    margin-bottom: 1.5rem;
    flex: 1 1 260px;
}
.about-card:hover {
    transform: translateY(-10px) scale(1.045);
    box-shadow: 0 10px 36px rgba(0,0,0,0.15);
    border-color: #111;
}
.about-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    margin: 0 auto 1rem auto;
    box-shadow: 0 2px 8px rgba(255,214,0,0.18);
    background: #FFD600;
}
.about-card h2 {
    color: #111;
    font-size: 1.25rem;
    margin-bottom: 0.7rem;
    font-weight: bold;
    letter-spacing: 0.5px;
}
.about-card p, .about-card ul {
    color: #444;
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    text-align: left;
}

.about-advantages {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 3rem 0 1.5rem 0;
    flex-wrap: wrap;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.advantage-box {
    background: linear-gradient(135deg, #fffbe6 80%, #fff3b0 100%);
    border-radius: 14px;
    box-shadow: 0 2px 14px rgba(0,0,0,0.09);
    padding: 1.2rem 1.5rem;
    text-align: center;
    min-width: 140px;
    max-width: 200px;
    border: 2px solid #FFD600;
    transition: transform 0.18s, box-shadow 0.18s;
    margin-bottom: 1rem;
    flex: 1 1 150px;
}
.advantage-box:hover {
    transform: translateY(-7px) scale(1.04);
    box-shadow: 0 8px 28px rgba(0,0,0,0.13);
    border-color: #111;
}
.adv-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    margin: 0 auto 0.7rem auto;
    box-shadow: 0 2px 8px rgba(255,214,0,0.15);
    background: #FFD600;
}
.advantage-box h4 {
    color: #111;
    font-size: 1.08rem;
    margin-bottom: 0.4rem;
    font-weight: bold;
}
.advantage-box p {
    color: #444;
    font-size: 0.98rem;
}

/* --- Responsive Düzenlemeler --- */
@media (max-width: 1200px) {
    .about-cards { gap: 1.5rem; }
    .about-advantages { gap: 1.2rem; }
}
@media (max-width: 900px) {
    .about-cards, .about-advantages {
        flex-direction: column;
        align-items: center;
        gap: 1.2rem;
    }
    .about-card, .advantage-box {
        min-width: 160px;
        max-width: 95vw;
        width: 100%;
        padding-left: 1.2rem;
        padding-right: 1.2rem;
    }
}
@media (max-width: 600px) {
    .about-card, .advantage-box {
        padding: 1rem 0.7rem;
        font-size: 0.97rem;
    }
    .about-card h2, .advantage-box h4 {
        font-size: 1rem;
    }
    .about-icon, .adv-icon {
        width: 36px;
        height: 36px;
    }
}

.quality-certificates {
    margin: 3rem auto 2rem auto;
    max-width: 1200px;
    text-align: center;
    background: linear-gradient(135deg, rgba(255,214,0,0.18) 0%, rgba(255,251,230,0.75) 60%, rgba(255,255,255,0.7) 100%);
    border-radius: 24px;
    box-shadow: 0 4px 32px rgba(255,214,0,0.08);
    padding: 2.5rem 1rem 2.2rem 1rem;
    position: relative;
    overflow: hidden;
}
.quality-certificates h2 {
    color: #FFD600;
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    font-weight: 900;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
}
.quality-certificates h2::before {
    content: '\1F4DC'; /* Sertifika/Belge ikonu */
    font-size: 2.1rem;
    display: inline-block;
    margin-right: 0.3rem;
}
.quality-certificates .cert-desc {
    color: #444;
    font-size: 1.08rem;
    margin-bottom: 2.1rem;
    margin-top: 0.2rem;
    font-weight: 400;
    letter-spacing: 0.1px;
}
.certificates-grid {
    display: flex;
    gap: 2.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}
.certificate-card {
    background: #fff;
    border: 2.5px solid #FFD600;
    border-radius: 18px;
    box-shadow: 0 4px 24px rgba(255,214,0,0.10), 0 2px 12px rgba(0,0,0,0.07);
    padding: 2.1rem 1.7rem 1.2rem 1.7rem;
    min-width: 180px;
    max-width: 220px;
    text-align: center;
    transition: transform 0.22s, box-shadow 0.22s, border-color 0.22s, background 0.22s;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}
.certificate-card img {
    width: 90px;
    height: 90px;
    object-fit: contain;
    margin-bottom: 1.1rem;
    transition: transform 0.22s, filter 0.22s;
    filter: drop-shadow(0 2px 8px #FFD60033);
}
.certificate-card p {
    font-size: 1.18rem;
    font-weight: 700;
    color: #222;
    margin-top: 0.7rem;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 0 #fffbe6;
}
.certificate-card:hover {
    transform: scale(1.09) translateY(-6px);
    box-shadow: 0 12px 36px #FFD60044, 0 8px 32px rgba(0,0,0,0.13);
    border-color: #FFD600;
    background: linear-gradient(120deg, #fffbe6 70%, #fff3c1 100%);
    z-index: 2;
}
.certificate-card:hover img {
    transform: scale(1.22) rotate(-4deg);
    filter: drop-shadow(0 4px 16px #FFD60099);
}
@media (max-width: 900px) {
    .certificates-grid {
        gap: 1.2rem;
    }
    .certificate-card {
        max-width: 98vw;
        min-width: 120px;
        padding: 1.2rem 0.7rem 0.8rem 0.7rem;
    }
    .certificate-card img {
        width: 60px;
        height: 60px;
    }
}
@media (max-width: 600px) {
    .quality-certificates {
        padding: 1.2rem 0.2rem 1.2rem 0.2rem;
        border-radius: 12px;
    }
    .certificates-grid {
        gap: 0.7rem;
    }
    .certificate-card {
        max-width: 99vw;
        min-width: 90px;
        padding: 0.7rem 0.2rem 0.5rem 0.2rem;
    }
    .certificate-card img {
        width: 38px;
        height: 38px;
    }
    .quality-certificates h2 {
        font-size: 1.2rem;
    }
}

.documents-section {
    max-width: 1200px;
    margin: 3rem auto 0 auto !important;
    text-align: center;
}
.documents-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3.5rem;
    justify-items: center;
    align-items: stretch;
    margin-bottom: 0;
}
.document-card {
    background: #fffbe6;
    border: 2px solid #FFD600;
    border-radius: 28px;
    box-shadow: 0 6px 32px rgba(0,0,0,0.15);
    padding: 3.2rem 2rem 2.2rem 2rem;
    min-width: 0;
    width: 100%;
    max-width: 380px;
    min-height: 480px;
    text-align: center;
    transition: transform 0.22s, box-shadow 0.22s, border-color 0.22s;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 0;
    overflow: hidden;
}
.document-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 8px 32px rgba(0,0,0,0.13);
    border-color: #111;
}
.document-card img {
    width: 200px;
    height: 200px;
    object-fit: contain;
    margin-bottom: 1.8rem;
    transition: transform 0.22s;
}
.document-card:hover img {
    transform: scale(1.08);
}
.document-card p {
    font-size: 1.4rem;
    font-weight: 800;
    color: #222;
    margin-top: auto;
    letter-spacing: 0.5px;
}
@media (max-width: 900px) {
    .documents-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.2rem;
    }
    .document-card {
        max-width: 98vw;
        min-height: 320px;
        padding: 2.2rem 0.7rem 1.2rem 0.7rem;
    }
    .document-card img {
        width: 140px;
        height: 140px;
    }
}
@media (max-width: 600px) {
    .documents-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
    .document-card {
        max-width: 99vw;
        min-height: 200px;
        padding: 1.2rem 0.5rem 1rem 0.5rem;
    }
    .document-card img {
        width: 90px;
        height: 90px;
    }
}

.doc-modal {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0,0,0,0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: background 0.2s;
}
.doc-modal-content {
    background: #fffbe6;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.22);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 90vw;
    max-height: 90vh;
}
.doc-modal-content img {
    width: 794px;
    height: 1123px;
    max-width: 80vw;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.18);
    background: #fff;
    display: block;
}
@media (max-width: 900px) {
    .doc-modal-content img {
        width: 90vw;
        height: auto;
        max-width: 90vw;
        max-height: 80vh;
    }
}
@media (max-width: 600px) {
    .doc-modal-content {
        padding: 0.5rem;
    }
    .doc-modal-content img {
        width: 98vw;
        max-width: 98vw;
        max-height: 70vh;
    }
}

.mini-certificates-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.2rem;
    justify-items: center;
    align-items: stretch;
    margin: 0 auto;
}
.mini-certificate-card {
    background: #fffbe6;
    border: 2px solid #FFD600;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    padding: 1rem 0.5rem 0.7rem 0.5rem;
    min-width: 0;
    width: 100%;
    max-width: 120px;
    min-height: 110px;
    text-align: center;
    transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.mini-certificate-card:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 24px rgba(0,0,0,0.13);
    border-color: #111;
}
.mini-certificate-card img {
    width: auto;
    height: 60px;
    max-width: 80px;
    object-fit: contain;
    margin-bottom: 0.5rem;
    display: block;
}
.mini-certificate-card p {
    font-size: 0.98rem;
    font-weight: 600;
    color: #222;
    margin: 0;
}
@media (max-width: 900px) {
    .mini-certificates-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 600px) {
    .mini-certificates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .mini-certificate-card {
        max-width: 95vw;
        min-height: 90px;
        padding: 0.7rem 0.2rem 0.5rem 0.2rem;
    }
    .mini-certificate-card img {
        height: 40px;
        max-width: 60px;
    }
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2.2rem;
    color: var(--main-yellow);
    cursor: pointer;
    margin-left: 0.5rem;
    z-index: 1101;
}
@media (max-width: 900px) {
    .menu-toggle {
        display: block;
        position: absolute;
        top: 18px;
        right: 24px;
    }
    .nav-links {
        position: absolute;
        top: 70px;
        left: 0;
        width: 100vw;
        background: var(--main-black);
        flex-direction: column;
        align-items: center;
        gap: 2rem;
        padding: 2.5rem 0 2rem 0;
        box-shadow: 0 8px 32px rgba(0,0,0,0.18);
        transition: max-height 0.35s cubic-bezier(.4,2,.6,1), opacity 0.25s;
        max-height: 0;
        opacity: 0;
        overflow: hidden;
        pointer-events: none;
    }
    .nav-links.active {
        max-height: 500px;
        opacity: 1;
        pointer-events: auto;
    }
}

.catalog-title {
    text-align: center;
    font-size: 1.3rem;
    font-weight: 900;
    color: #FFD600;
    letter-spacing: 1.2px;
    margin-bottom: 2.2rem;
    margin-top: 0.5rem;
}

.flipbook-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 90vh;
    background: linear-gradient(135deg, #fffbe6 60%, #fff 100%);
    position: relative;
    padding-top: 110px;
}
.flipbook {
    box-shadow: 0 8px 32px #FFD60033, 0 2px 12px #1112;
    border-radius: 18px;
    background: #fff;
    margin: 0 auto;
    max-width: 98vw;
    max-height: 80vh;
    overflow: hidden;
}
.flipbook-page {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fffbe6;
    width: 100%;
    height: 100%;
}
.flipbook-page img {
    width: 100%;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 2px 12px #FFD60022;
    background: #fff;
}
.home-btn {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 2000;
    background: #111;
    color: #FFD600;
    border: none;
    border-radius: 50%;
    width: 54px;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 18px #FFD60044, 0 2px 8px #1112;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s, transform 0.18s;
    font-size: 1.7rem;
}
.home-btn:hover {
    background: #FFD600;
    color: #111;
    box-shadow: 0 8px 32px #FFD60066, 0 4px 16px #1113;
    transform: scale(1.08);
}
@media (max-width: 900px) {
    .flipbook {
        max-width: 99vw;
        max-height: 70vh;
    }
    .flipbook-container {
        padding-top: 80px;
    }
    .home-btn {
        top: 12px;
        right: 12px;
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }
}
@media (max-width: 600px) {
    .flipbook {
        max-width: 100vw;
        max-height: 60vh;
    }
    .flipbook-container {
        padding-top: 60px;
    }
    .home-btn {
        top: 8px;
        right: 8px;
        width: 38px;
        height: 38px;
        font-size: 1rem;
    }
}

.product-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    background: #fffbe6;
    border-radius: 16px;
    box-shadow: 0 2px 12px #FFD60022;
    padding: 2.2rem 1.5rem 1.5rem 1.5rem;
    max-width: 900px;
    margin: 0 auto 2.2rem auto;
}
.product-intro-col {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
@media (max-width: 900px) {
    .product-intro-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
        padding: 1.2rem 0.7rem 1.2rem 0.7rem;
        max-width: 99vw;
    }
}