/* Temel Reset ve Global Stiller */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #000;
    color: #fff;
    line-height: 1.6;
    min-height: 100vh;
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

/* Container */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Ana Navigasyon */
header {
    background-color: #000;
    border-bottom: 1px solid #222;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 900;
    font-size: 1.5rem;
    color: #fff;
    user-select: none;
}

.logo img {
    height: 40px;
    width: auto;
    display: block;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 25px;
    align-items: center;
}

.nav-links li a {
    color: #ccc;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
    user-select: none;
    font-size: 0.95rem;
}

.nav-links li a:hover,
.nav-links li a:focus {
    background-color: #222;
    color: #fff;
    outline: none;
}

.nav-links li a.active {
    color: #fff;
    font-weight: 700;
    border-bottom: 2px solid #fff;
}

.btn {
    background-color: #fff;
    color: #000;
    font-weight: 700;
    padding: 8px 20px;
    border-radius: 3px;
    transition: all 0.3s ease;
    user-select: none;
    display: inline-block;
    text-align: center;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
}

.btn:hover,
.btn:focus {
    background-color: #ddd;
    outline: none;
    transform: translateY(-2px);
}

/* Mobil Menü Butonu */
.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: #fff;
    cursor: pointer;
    user-select: none;
    background: none;
    border: none;
    padding: 5px;
}

/* Sayfa Hero Bölümü */
.page-hero {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('images/about-hero.jpg') center/cover no-repeat;
    padding: 100px 0;
    text-align: center;
    user-select: none;
}

.page-hero h1 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 15px;
    color: #fff;
    text-shadow: 0 2px 5px rgba(0,0,0,0.5);
}

.page-hero p {
    font-size: 1.2rem;
    color: #ccc;
    max-width: 700px;
    margin: 0 auto;
}

/* Hakkımızda Bölümü */
.about-section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-weight: 900;
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: #fff;
    user-select: none;
}

.section-title p {
    font-size: 1rem;
    color: #aaa;
    margin-bottom: 0;
    user-select: none;
    max-width: 800px;
    margin: 0 auto;
}

.about-content {
    display: flex;
    gap: 40px;
    align-items: center;
    flex-wrap: wrap;
}

.about-text {
    flex: 1 1 500px;
    font-size: 1rem;
    color: #ddd;
    line-height: 1.7;
}

.about-text p {
    margin-bottom: 20px;
}

.achievements {
    display: flex;
    gap: 30px;
    margin-top: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.achievement-item {
    flex: 1 1 120px;
    background-color: #111;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    user-select: none;
    transition: all 0.3s ease;
    min-width: 150px;
}

.achievement-item:hover {
    background-color: #222;
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(240, 165, 0, 0.2);
}

.achievement-item i {
    font-size: 2.5rem;
    color: #f0a500;
    margin-bottom: 10px;
}

.achievement-item h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: #fff;
}

.achievement-item p {
    font-size: 1rem;
    color: #ccc;
    margin-bottom: 0;
}

.about-image {
    flex: 1 1 400px;
    text-align: center;
}

.about-image img {
    max-width: 100%;
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(240, 165, 0, 0.4);
    user-select: none;
    transition: transform 0.3s ease;
}

.about-image img:hover {
    transform: scale(1.02);
}

/* Ekibimiz Bölümü */
.team-section {
    padding: 60px 0;
    background-color: #0a0a0a;
}

.team-members {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    user-select: none;
}

.team-member {
    background-color: #111;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.team-member:hover {
    background-color: #222;
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(240, 165, 0, 0.2);
}

.team-member img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 15px;
    border: 2px solid #333;
}

.team-member h3 {
    font-size: 1.3rem;
    color: #fff;
    margin-bottom: 6px;
}

.team-member p {
    font-size: 1rem;
    color: #ccc;
    margin-bottom: 12px;
}

.member-social {
    margin-top: 15px;
}

.member-social a {
    color: #ccc;
    margin: 0 8px;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.member-social a:hover,
.member-social a:focus {
    color: #f0a500;
    outline: none;
}

/* Ekip Üyeleri Bölümü */
.team-cards-section {
    padding: 60px 0;
    background-color: #0a0a0a;
}

.card-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    padding: 0 20px;
}

.card {
    background: #111;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    padding: 30px 25px;
    width: 320px;
    text-align: center;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(240, 165, 0, 0.3);
    background-color: #1a1a1a;
}

.card img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 20px;
    border: 3px solid #f0a500;
}

.card h3 {
    margin: 15px 0 8px;
    font-size: 1.3rem;
    color: #fff;
}

.card p {
    font-size: 1rem;
    color: #ccc;
    margin-bottom: 0;
}

/* Footer */
footer {
    background-color: #111;
    color: #ccc;
    padding: 60px 0 20px;
    user-select: none;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.footer-about {
    flex: 1 1 280px;
}

.footer-about img {
    width: 150px;
    margin-bottom: 15px;
}

.footer-about p {
    font-size: 1rem;
    line-height: 1.5;
    color: #bbb;
    margin-bottom: 15px;
}

.footer-social {
    margin-top: 20px;
}

.footer-social a {
    color: #bbb;
    margin-right: 15px;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.footer-social a:last-child {
    margin-right: 0;
}

.footer-social a:hover,
.footer-social a:focus {
    color: #f0a500;
    outline: none;
}

.footer-links,
.footer-contact {
    flex: 1 1 200px;
}

.footer-links h3,
.footer-contact h3 {
    font-size: 1.3rem;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h3::after,
.footer-contact h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background-color: #f0a500;
}

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

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: #ccc;
    transition: color 0.3s ease;
    display: inline-block;
    padding: 2px 0;
}

.footer-links ul li a:hover,
.footer-links ul li a:focus {
    color: #f0a500;
    outline: none;
    transform: translateX(5px);
}

.footer-contact p {
    margin-bottom: 15px;
    font-size: 1rem;
    color: #ccc;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer-contact i {
    color: #f0a500;
    margin-top: 3px;
    font-size: 1rem;
}

/* Footer alt kısım */
.footer-bottom {
    border-top: 1px solid #222;
    padding: 20px 0 10px;
    font-size: 0.9rem;
    color: #666;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

/* Back to top butonu */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: #f0a500;
    color: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #fff;
    transform: translateY(-5px);
}

/* Animasyonlar */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-in {
    animation: fadeIn 0.6s ease forwards;
}

/* Responsive Tasarım */

/* Büyük Tablet */
@media (max-width: 991px) {
    .about-content {
        flex-direction: column;
    }
    .about-image,
    .about-text {
        flex: 1 1 100%;
    }

    .team-members {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

/* Küçük Tablet ve Büyük Mobil */
@media (max-width: 768px) {
    .page-hero {
        padding: 80px 0;
    }

    .page-hero h1 {
        font-size: 2.5rem;
    }

    .page-hero p {
        font-size: 1.1rem;
    }

    .section-title h2 {
        font-size: 2rem;
    }
}

/* Mobil */
@media (max-width: 600px) {
    /* Ana navigasyon mobil menü */
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background-color: #000;
        position: absolute;
        top: 73px;
        left: 0;
        padding: 15px 0;
        border-top: 1px solid #222;
        z-index: 999;
        box-shadow: 0 5px 10px rgba(0,0,0,0.2);
    }

    .nav-links.show {
        display: flex;
    }

    .nav-links li {
        margin: 0;
        text-align: center;
    }

    .nav-links li a {
        display: block;
        padding: 12px 15px;
        border-radius: 0;
    }

    .mobile-menu-btn {
        display: block;
    }

    /* Hero yazıları küçülür */
    .page-hero h1 {
        font-size: 2rem;
    }

    .page-hero p {
        font-size: 1rem;
        padding: 0 15px;
    }

    /* Başarı kutuları alt alta */
    .achievements {
        flex-direction: column;
        gap: 15px;
    }

    .achievement-item {
        flex: 1 1 100%;
    }

    /* Ekibimiz 1 sütun */
    .team-members {
        grid-template-columns: 1fr;
    }

    /* Back to top butonu */
    .back-to-top {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        bottom: 20px;
        right: 20px;
    }
}

/* Çok küçük mobil cihazlar */
@media (max-width: 400px) {
    .logo {
        font-size: 1.3rem;
    }

    .logo img {
        height: 35px;
    }

    .page-hero h1 {
        font-size: 1.8rem;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

    .card {
        width: 100%;
        max-width: 280px;
    }
}