* {
    box-sizing: border-box;
}

body {
    margin: 0;

    font-family: Arial, sans-serif;

    background: linear-gradient(135deg, #1b0000, #5c1a1a, #1a1a1a);

    color: white;

    min-height: 100vh;
}

/* ANA MENÜ BUTONU */

.ana-menu-bar {
    padding: 16px 20px 0;
    text-align: left;
}

.ana-menu-btn {
    display: inline-block;

    padding: 10px 22px;

    color: white;

    background: #e64a19;

    border-radius: 25px;

    text-decoration: none;

    font-size: 14px;
    font-weight: bold;

    box-shadow: 0 6px 18px rgba(230, 74, 25, 0.3);

    transition: 0.3s;
}

.ana-menu-btn:hover {
    background: #ff7043;

    transform: scale(1.05);
}


/* ÜST KISIM */

header {
    text-align: center;

    padding: 60px 20px 40px;
}

header h1 {
    font-size: 45px;

    margin-bottom: 15px;
}

header p {
    color: #f5c6c6;

    font-size: 18px;
}


/* MENÜ */

nav {
    background: rgba(0, 0, 0, 0.35);

    padding: 18px;

    text-align: center;
}

nav a {
    color: white;

    text-decoration: none;

    margin: 0 15px;

    font-weight: bold;

    transition: 0.3s;
}

nav a:hover {
    color: #ff7043;
}


/* ANA İÇERİK */

main {
    width: 90%;

    max-width: 1000px;

    margin: 40px auto;
}


/* KART */

.kart {
    background: rgba(255, 255, 255, 0.1);

    padding: 30px;

    margin-bottom: 25px;

    border-radius: 20px;

    border: 1px solid rgba(255, 255, 255, 0.2);

    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.kart h2 {
    color: #ff8a65;
}

.kart p {
    line-height: 1.7;

    color: #eeeeee;
}


/* İKİLİ KART */

.kartlar {
    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 25px;
}


/* BUTON */

.buton {
    display: inline-block;

    margin-top: 15px;

    padding: 12px 25px;

    background: #e64a19;

    color: white;

    text-decoration: none;

    border-radius: 25px;

    transition: 0.3s;
}

.buton:hover {
    background: #ff7043;

    transform: scale(1.05);
}


/* GALERİ */

.galeri {
    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 30px;
}

.resim-karti {
    background: rgba(255, 255, 255, 0.1);

    padding: 20px;

    border-radius: 20px;

    text-align: center;
}

.resim-karti img {
    width: 100%;

    height: 300px;

    object-fit: cover;

    border-radius: 15px;
}

.resim-karti h2 {
    color: #ff8a65;
}


/* FORM */

.form-karti {
    max-width: 650px;

    margin: auto;

    background: rgba(255, 255, 255, 0.1);

    padding: 35px;

    border-radius: 20px;
}

.form-karti h2 {
    text-align: center;

    color: #ff8a65;

    margin-bottom: 30px;
}

form {
    display: flex;

    flex-direction: column;
}

label {
    margin-top: 15px;

    margin-bottom: 8px;

    font-weight: bold;
}

input,
textarea {
    padding: 13px;

    border: none;

    border-radius: 10px;

    font-size: 16px;

    font-family: Arial, sans-serif;
}

textarea {
    resize: vertical;
}

button {
    margin-top: 25px;

    padding: 14px;

    border: none;

    border-radius: 25px;

    background: #e64a19;

    color: white;

    font-size: 16px;

    cursor: pointer;

    transition: 0.3s;
}

button:hover {
    background: #ff7043;
}


/* ALT KISIM */

footer {
    text-align: center;

    padding: 30px;

    color: #cccccc;
}


/* TELEFON */

@media (max-width: 650px) {

    header h1 {
        font-size: 32px;
    }

    nav a {
        display: block;

        margin: 12px;
    }

    .kartlar,
    .galeri {
        grid-template-columns: 1fr;
    }

    .resim-karti img {
        height: 250px;
    }
}