* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-black: #1a1a1a;
    --secondary-black: #2d2d2d;
    --light-gray: #e5e5e5;
    --medium-gray: #b8b8b8;
    --dark-gray: #4a4a4a;
    --white: #ffffff;
    --accent-yellow: #ffc107;
    --accent-yellow-dark: #ffb300;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: var(--primary-black);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.navbar {
    padding: 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-box {
    width: 100px; /* Yeni genişlik: 200px */
    height: 100px; /* Yeni yükseklik: 200px */
    background-color: transparent; /* PNG kullandığınız için kutu rengini saydam yapabilirsiniz */
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    overflow: hidden;
    /* Gölgelendirme gibi ekstra stilleri kaldırabilirsiniz. */
    box-shadow: none; /* Shadow varsa kaldırın */
}

.logo-box svg {
    border-radius: 4px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-yellow);
    letter-spacing: 0.5px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--accent-yellow);
    margin: 3px 0;
    transition: 0.3s;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu li a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s ease;
    padding: 8px 0;
    position: relative;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-yellow);
    transition: width 0.3s ease;
}

.nav-menu li a:hover::after,
.nav-menu li a.active::after {
    width: 100%;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: var(--accent-yellow);
}

.hero {
    margin-top: 70px;
    height: 600px;
    background: linear-gradient(135deg, var(--secondary-black) 0%, var(--primary-black) 100%);
    background-image:
        linear-gradient(rgba(26, 26, 26, 0.85), rgba(26, 26, 26, 0.85)),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%232d2d2d" width="1200" height="600"/><g fill="%23ffc107" opacity="0.1"><circle cx="100" cy="100" r="80"/><circle cx="400" cy="200" r="60"/><circle cx="800" cy="150" r="70"/><circle cx="1000" cy="400" r="90"/><rect x="200" y="350" width="150" height="150" transform="rotate(45 275 425)"/><rect x="600" y="100" width="100" height="100" transform="rotate(30 650 150)"/></g></svg>');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero-content {
    text-align: center;
    color: var(--white);
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--accent-yellow);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 300;
    margin-bottom: 30px;
    color: var(--white);
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
}

.btn-primary {
    background-color: var(--accent-yellow);
    color: var(--primary-black);
}

.btn-primary:hover {
    background-color: var(--accent-yellow-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 193, 7, 0.4);
}

section {
    padding: 80px 0;
    
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-black);
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--accent-yellow);
}

.services-preview {
    background-color: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid var(--accent-yellow);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-black);
}

.service-card p {
    color: var(--dark-gray);
    font-size: 1rem;
}

.services-detail {
    background-color: var(--white);
}

.service-detail {
    margin-bottom: 50px;
    padding: 40px;
    background-color: var(--light-gray);
    border-radius: 8px;
    border-left: 5px solid var(--accent-yellow);
}

.service-detail:last-child {
    margin-bottom: 0;
}

.service-detail-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--primary-black);
}

.service-detail-content p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--dark-gray);
    line-height: 1.8;
}

.service-detail-content ul {
    list-style: none;
    padding-left: 0;
}

.service-detail-content ul li {
    padding: 10px 0 10px 30px;
    position: relative;
    font-size: 1.05rem;
    color: var(--dark-gray);
}

.service-detail-content ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-yellow);
    font-size: 1.3rem;
}

.machines {
    background-color: var(--secondary-black);
    color: var(--white);
}

.machines .section-title {
    color: var(--white);
}

.machines-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.machine-card {
    background-color: var(--primary-black);
    padding: 40px;
    border-radius: 8px;
    border: 2px solid var(--dark-gray);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.machine-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-yellow);
}

.machine-card h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--accent-yellow);
}

.machine-card p {
    font-size: 1.05rem;
    margin-bottom: 25px;
    line-height: 1.7;
    color: var(--light-gray);
}

.machine-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
/* Görseli sarmalayan kutu, kartın üst kısmını yönetir */
.machine-image-container {
    width: 100%;
    /* Kartın üst kenarından taşmasını önlemek için negatif kenar boşluğu */
    margin: -20px -20px 20px -20px; 
    height: 200px; /* Sabit bir yükseklik belirleyelim */
    overflow: hidden; /* Taşmayı engeller */
    /* Kartın sadece üst köşelerine yuvarlaklık verelim */
    border-radius: 8px 8px 0 0; 
}

/* Resim Etiketinin Kendisi */
.machine-img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Görseli, boyutları bozmadan kutuyu tamamen doldurur */
    transition: transform 0.4s ease;
}

/* Kartın üzerine gelince resmi büyütme efekti */
.machine-card:hover .machine-img {
    transform: scale(1.05);
}

.feature-tag {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.about {
    background-color: var(--white);
}

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

.about-intro {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 40px;
    text-align: center;
    color: var(--dark-gray);
}

.about-content h3 {
    font-size: 2rem;
    margin-bottom: 30px;
    text-align: center;
    color: var(--primary-black);
}

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.sector-item {
    text-align: center;
    padding: 30px 20px;
    background-color: var(--light-gray);
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.sector-item:hover {
    transform: translateY(-5px);
    background-color: var(--accent-yellow);
}

.sector-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.sector-item h4 {
    font-size: 1.1rem;
    color: var(--primary-black);
}

.contact {
    background-color: var(--light-gray);
}

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

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--primary-black);
}

.contact-info p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--dark-gray);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    background-color: var(--white);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--accent-yellow);
}

.contact-item strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--primary-black);
}

.contact-item p {
    font-size: 1rem;
    color: var(--dark-gray);
    margin: 0;
}

.page-header {
    margin-top: 70px;
    padding: 80px 0 60px;
    background: linear-gradient(135deg, var(--secondary-black) 0%, var(--primary-black) 100%);
    text-align: center;
    color: var(--white);
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--accent-yellow);
}

.page-header p {
    font-size: 1.3rem;
    color: var(--light-gray);
}

.about-detail {
    padding: 80px 0;
    background-color: var(--white);
}

.about-content-detail {
    max-width: 1000px;
    margin: 0 auto;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    color: var(--primary-black);
}

.about-text p {
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--dark-gray);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-item {
    text-align: center;
    padding: 30px;
    background-color: var(--light-gray);
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    background-color: var(--accent-yellow);
}

.feature-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-black);
    margin-bottom: 10px;
}

.feature-text {
    font-size: 1.1rem;
    color: var(--dark-gray);
    font-weight: 600;
}

.sectors-section {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.section-description {
    text-align: center;
    font-size: 1.15rem;
    color: var(--dark-gray);
    max-width: 700px;
    margin: -30px auto 50px;
}

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

.sector-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid var(--accent-yellow);
}

.sector-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.sector-icon-large {
    font-size: 4rem;
    margin-bottom: 20px;
}

.sector-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-black);
}

.sector-card p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--dark-gray);
}

.values-section {
    padding: 80px 0;
    background-color: var(--white);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.value-item {
    text-align: center;
    padding: 40px 30px;
}

.value-item h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--accent-yellow);
}

.value-item p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--dark-gray);
}

.contact-page {
    padding: 80px 0;
    background-color: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info-box {
    background-color: var(--light-gray);
    padding: 40px;
    border-radius: 8px;
}

.contact-info-box h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--primary-black);
}

.contact-info-box p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--dark-gray);
    line-height: 1.7;
}

.contact-details-page {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item-page {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background-color: var(--white);
    border-radius: 8px;
    border-left: 4px solid var(--accent-yellow);
}

.contact-icon {
    font-size: 2rem;
    min-width: 40px;
}

.contact-text strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--primary-black);
}

.contact-text p {
    font-size: 1rem;
    color: var(--dark-gray);
    margin: 2px 0;
}

.contact-form-box {
    background-color: var(--light-gray);
    padding: 40px;
    border-radius: 8px;
}

.contact-form-box h3 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: var(--primary-black);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-black);
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid var(--medium-gray);
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-yellow);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.map-section {
    padding: 80px 0 0;
    background-color: var(--white);
}

.map-container {
    width: 100%;
    height: 450px;
    margin-top: 40px;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

footer {
    background-color: var(--primary-black);
    color: var(--white);
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-logo h3 {
    font-size: 1.3rem;
    line-height: 1.4;
}

.footer-logo span {
    color: var(--accent-yellow);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-yellow);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--dark-gray);
}

.footer-bottom p {
    font-size: 0.9rem;
    color: var(--medium-gray);
}

/* --- VİZYON & MİSYON BÖLÜMÜ STİLLERİ --- */
.vision-mission {
    padding: 60px 0;
    background-color: var(--white); /* Beyaz arka plan, sonraki bölüme geçişi yumuşatır */
    text-align: center;
}

.vision-mission-grid {
    display: flex;
    gap: 40px;
    justify-content: center;
    align-items: stretch; /* Kartların eşit yükseklikte olmasını sağlar */
    max-width: 1000px;
    margin: 0 auto;
}

.mission-card,
.vision-card {
    flex: 1;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: left;
}

.mission-card {
    background-color: var(--light-gray); /* Hafif gri arka plan */
    border-left: 5px solid var(--accent-yellow); /* Vurgulu çizgi */
}

.vision-card {
    background-color: var(--secondary-black); /* Koyu arka plan */
    color: var(--white);
    border-right: 5px solid var(--accent-yellow); /* Vurgulu çizgi */
}

.card-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.mission-card .card-title {
    color: var(--primary-black);
}

.vision-card .card-title {
    color: var(--accent-yellow); /* Koyu arka planda sarı başlık */
}

.mission-card p {
    color: var(--dark-gray);
    line-height: 1.7;
}

.vision-card p {
    color: var(--light-gray);
    line-height: 1.7;
}

/* Animasyon Ekleme */
.mission-card,
.vision-card {
    /* script.js'teki animasyon için başlangıç durumu */
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Hover Efekti */
.mission-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.vision-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(255, 193, 7, 0.2);
}


@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--primary-black);
        flex-direction: column;
        gap: 0;
        padding: 20px;
        display: none;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
        text-align: center;
        padding: 10px 0;
        border-bottom: 1px solid var(--dark-gray);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .hero {
        height: 500px;
        margin-top: 70px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.3rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .service-detail {
        padding: 25px;
    }

    .machines-grid {
        grid-template-columns: 1fr;
    }

    .sectors-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .sectors-grid-detail {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
    .vision-mission {
        padding: 40px 0;
    }
    
    .vision-mission-grid {
        flex-direction: column; /* Kartları alt alta yığar */
        gap: 30px;
    }

    .mission-card,
    .vision-card {
        padding: 30px;
    }

    .card-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .logo-container {
        gap: 10px;
    }

    .logo-box {
        width: 40px;
        height: 40px;
    }

    .logo-box svg {
        width: 40px;
        height: 40px;
    }

    .logo-title {
        font-size: 0.9rem;
    }

    .logo-subtitle {
        font-size: 0.7rem;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .btn {
        padding: 12px 25px;
        font-size: 1rem;
    }

    section {
        padding: 50px 0;
    }

    .service-detail-content h3 {
        font-size: 1.5rem;
    }

    .sectors-grid {
        grid-template-columns: 1fr;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .page-header p {
        font-size: 1rem;
    }

    .about-text h2 {
        font-size: 1.8rem;
    }

    .map-container {
        height: 300px;
    }
}