/* 1. Reset ve Genel Ayarlar */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.bold {
    font-weight: 700;
    color: #1a1a1a;
}

body {
    font-family: 'Poppins', sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #f8f8f8;
    padding-top: 70px; 
}

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

/* 2. Navigasyon */
nav {
    background-color: #1a1a1a;
    padding: 15px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 70px;
    width: 70px;
    margin-right: 10px;
}

.logo-text {
    font-size: 1.1em;
    color: white;
    font-weight: 500;
}

.gold-highlight {
    color: #FFC300;
    font-weight: 700;
    margin-right: 5px;
}

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

.nav-links li {
    margin-left: 25px;
}

.nav-links a {
    color: white;
    font-weight: 500;
    text-transform: uppercase;
    padding: 5px 0;
}

.nav-links a.active {
    color: #FFC300; /* Aktif bağlantı için altın sarısı renk */
    border-bottom: 2px solid #FFC300; /* Altına ince bir çizgi ekleyerek vurguyu artırır */
    padding-bottom: 3px; /* Çizgi ile metin arasına boşluk */
}

.nav-links a:hover {
    color: #FFC300;
}

/* 3. Header */
header {
    background-color: #fff;
    padding: 80px 5%;
    text-align: center;
    border-bottom: 5px solid #FFC300;
}

h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    color: #1a1a1a;
}

.trust-statement {
    font-size: 1.2em;
    color: #DAA520;
    font-weight: 600;
    max-width: 600px;
    margin: 0 auto;
}

h2 {
    font-size: 2em;
    color: #1a1a1a;
    margin-bottom: 20px;
    font-weight: 700;
}

/* 4. Authentication Form */
#authenticate {
    text-align: center;
    padding: 60px 5%;
    max-width: 800px;
    margin: 40px auto;
    background: white;
    border-radius: 10px;
}

.authentication-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.authentication-form label {
    font-size: 1.1em;
    font-weight: 600;
    color: #555;
    text-align: left;
    width: 100%;
    max-width: 450px;
    margin-top: 10px;
}

#coa-code {
    width: 100%;
    max-width: 450px;
    padding: 18px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1.2em;
    text-align: center;
    transition: border-color 0.3s, box-shadow 0.3s;
}

#coa-code:focus {
    border-color: #FFC300;
    outline: none;
    box-shadow: 0 0 5px rgba(255, 195, 0, 0.5);
}

.authentication-form button {
    background-color: #FFC300;
    color: #1a1a1a;
    font-weight: bold;
    padding: 15px 50px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.2em;
    text-transform: uppercase;
    transition: background-color 0.3s, transform 0.1s;
    width: 100%;
    max-width: 450px;
    margin-top: 10px;
}

.authentication-form button:hover {
    background-color: #DAA520;
}

.verification-guide {
    margin-top: 30px;
    color: #777;
    font-style: italic;
    font-size: 0.95em;
}

/* 5. Hakkımızda Bölümü (KESİN SOLA SABİTLEME) */
#about {
    padding: 60px 5%;
    max-width: 1000px;
    margin: 40px auto;
    text-align: left; 
}

.about-content {
    display: flex;
    flex-direction: row;
    /* Metin sola, görsel sağa itilir */
    justify-content: space-between; 
    align-items: center; /* Dikeyde ortalama */
    gap: 30px;
}

.text-block {
    /* Metin bloğuna görselin 4 katı alan verilir, sıkışma önlenir */
    flex: 4; 
    text-align: left; 
}

#about h2 {
    text-align: left; /* BAŞLIĞI KESİNLİKLE SOLA SABİTLER */
    margin-bottom: 20px;
    font-size: 2em;
}

#about p {
    text-align: left; /* PARAGRAFI KESİNLİKLE SOLA SABİTLER */
    font-size: 1.1em;
    color: black;
    margin: 0;
}

.about-image {
    /*flex: 1;  Görsel alanın geri kalanını alır */
    max-width: 800px;
    /* Görselin metin alanını bozmasını engeller */
    min-width: 650px; 
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* 6. Footer */
footer {
    background-color: #1a1a1a;
    color: #bbb;
    padding: 25px 5%;
    text-align: center;
    font-size: 0.9em;
    border-top: 5px solid #FFC300;
}

.footer-links a {
    color: #FFC300;
    margin: 0 10px;
}

.footer-links a:hover {
    color: white;
}

/* 7. Responsive Ayarlar */
@media (max-width: 800px) {
    .about-content {
        flex-direction: column; 
        align-items: center; 
        gap: 30px;
    }
    .text-block, #about h2, #about p {
        text-align: center; /* Mobil görünümde ortalama daha iyidir */
    }
    .about-image { 
        max-width: 80%; 
    }
}

@media (max-width: 600px) {
    body {
        padding-top: 60px;
    }
    nav {
        padding: 10px 3%;
    }
    .nav-links {
        display: none;
    }
    header {
        padding: 50px 3%;
    }
    h1 {
        font-size: 2em;
    }
    .trust-statement {
        font-size: 1em;
    }
    #authenticate, #about {
        margin: 20px auto;
        padding: 30px 3%;
    }
    .authentication-form button {
        padding: 15px 20px;
        font-size: 1.1em;
    }
}