* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 20px;

    font-family: "Segoe UI", Tahoma, Arial, sans-serif;

    color: #263238;

    background: linear-gradient(135deg, #dfe9f3, #ffffff);

    min-height: 100vh;
}


/* ANA MENÜ BUTONU */

.ana-menu-bar {
    max-width: 1000px;

    margin: 0 auto;
}

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

    align-items: center;

    gap: 8px;

    padding: 12px 24px;

    color: white;

    background: #1565c0;

    border-radius: 30px;

    text-decoration: none;

    font-size: 15px;
    font-weight: bold;

    box-shadow: 0 5px 15px rgba(21, 101, 192, 0.25);

    transition: 0.3s ease;
}

.ana-menu-btn:hover {
    background: #0d47a1;

    transform: translateY(-2px) scale(1.04);

    box-shadow: 0 8px 20px rgba(21, 101, 192, 0.35);
}


/* ANA ÇERÇEVE */

.site-cercevesi {
    max-width: 1000px;

    margin: 30px auto;

    background-color: white;

    border-radius: 25px;

    overflow: hidden;

    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.20);

    transition: 0.4s ease;
}

.site-cercevesi:hover {
    box-shadow: 0 20px 55px rgba(0, 0, 0, 0.25);
}


/* BAŞLIK ALANI */

.baslik-alani {
    position: relative;

    padding: 70px 30px;

    text-align: center;

    color: white;

    background:
        linear-gradient(
            rgba(0, 0, 0, 0.45),
            rgba(0, 0, 0, 0.60)
        ),
        url("sehirler_resimi/newyork.jpg");

    background-size: cover;

    background-position: center;

    overflow: hidden;
}

.baslik-alani h1 {
    position: relative;

    z-index: 2;

    margin: 10px 0;

    font-size: 48px;

    letter-spacing: 2px;

    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);

    transition: 0.3s ease;
}

.baslik-alani h1:hover {
    transform: scale(1.05);
}

.baslik-alani p {
    position: relative;

    z-index: 2;

    margin: 10px 0;

    font-size: 18px;

    color: #eeeeee;
}


/* İÇERİK */

.icerik-alani {
    padding: 45px;
}

.icerik-alani h2 {
    margin-top: 0;

    padding-left: 15px;

    color: #1565c0;

    font-size: 30px;

    border-left: 6px solid #1565c0;
}

.icerik-alani p {
    font-size: 17px;

    line-height: 1.8;

    color: #455a64;
}


/* ANA RESİM */

.icerik-alani img {
    width: 100%;

    display: block;

    margin-top: 30px;

    border-radius: 18px;

    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.18);

    transition: 0.4s ease;
}

.icerik-alani img:hover {
    transform: scale(1.03);

    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
}


/* BİLGİ KARTLARI */

.bilgi-kartlari {
    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 20px;

    margin-top: 35px;
}

.kart {
    padding: 25px;

    text-align: center;

    background-color: #f5f8fa;

    border: 1px solid #e3e8ec;

    border-radius: 18px;

    transition: 0.3s ease;
}

.kart:hover {
    transform: translateY(-10px);

    background-color: #e3f2fd;

    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.kart span {
    display: block;

    font-size: 45px;

    margin-bottom: 10px;

    transition: 0.3s ease;
}

.kart:hover span {
    transform: scale(1.15);
}

.kart h3 {
    margin: 10px 0;

    color: #1565c0;

    font-size: 21px;
}

.kart p {
    font-size: 14px;

    line-height: 1.6;

    color: #607d8b;
}


/* ŞEHİR SÖZÜ */

.sehir-sozu {
    margin-top: 40px;

    padding: 35px;

    text-align: center;

    color: white;

    background: linear-gradient(
        135deg,
        #263238,
        #455a64
    );

    border-radius: 20px;

    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);

    transition: 0.3s ease;
}

.sehir-sozu:hover {
    transform: translateY(-5px);

    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.22);
}

.sehir-sozu h2 {
    margin: 0 0 15px;

    padding: 0;

    color: white;

    border: none;
}

.sehir-sozu p {
    margin: 0;

    color: white;

    font-size: 24px;

    font-style: italic;
}


/* ALT BİLGİ */

.alt-bilgi {
    padding: 22px;

    text-align: center;

    color: #cfd8dc;

    background-color: #263238;

    font-size: 14px;
}

.alt-bilgi p {
    margin: 0;

    line-height: 1.6;

    transition: 0.3s ease;
}

.alt-bilgi p:hover {
    color: white;
}


/* MOBİL */

@media (max-width: 750px) {

    body {
        padding: 10px;
    }

    .site-cercevesi {
        margin: 10px auto;

        border-radius: 18px;
    }

    .baslik-alani {
        padding: 50px 20px;
    }

    .baslik-alani h1 {
        font-size: 34px;
    }

    .baslik-alani p {
        font-size: 16px;
    }

    .icerik-alani {
        padding: 25px 20px;
    }

    .icerik-alani h2 {
        font-size: 25px;
    }

    .bilgi-kartlari {
        grid-template-columns: 1fr;
    }

    .sehir-sozu {
        padding: 25px 15px;
    }

    .sehir-sozu p {
        font-size: 20px;
    }
}


/* KÜÇÜK TELEFONLAR */

@media (max-width: 400px) {

    .baslik-alani h1 {
        font-size: 28px;
    }

    .icerik-alani {
        padding: 20px 15px;
    }

    .kart {
        padding: 20px 15px;
    }
}

/* ==============================
   HARİTA ALANI
============================== */

.harita-alani {
    margin-top: 35px;

    padding: 30px;

    text-align: center;

    background: linear-gradient(
        135deg,
        #e3f2fd,
        #bbdefb
    );

    border-radius: 20px;

    border: 1px solid #90caf9;

    transition: 0.3s ease;
}

.harita-alani:hover {
    transform: translateY(-5px);

    box-shadow:
        0 10px 25px rgba(21, 101, 192, 0.18);
}

.harita-alani h2 {
    margin: 0 0 10px;

    padding: 0;

    color: #1565c0;

    border: none;
}

.harita-alani p {
    margin-bottom: 25px;

    color: #455a64;
}


/* HARİTA BUTONU */

.harita-butonu {
    display: inline-block;

    padding: 14px 28px;

    background: #1565c0;

    color: white;

    text-decoration: none;

    font-size: 16px;
    font-weight: bold;

    border-radius: 30px;

    box-shadow:
        0 5px 15px rgba(21, 101, 192, 0.25);

    transition: 0.3s ease;
}

.harita-butonu:hover {
    background: #0d47a1;

    transform: scale(1.08);

    box-shadow:
        0 8px 20px rgba(21, 101, 192, 0.35);
}