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

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f4f4f9;
    padding-top: 15vh;
    padding-bottom: 20px;
    padding-left: 10px;
    padding-right: 10px;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #ffffff;
    padding: 15px 50px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #ffffff;
    padding: 15px 50px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px; 
    height: 50px;
}

.logo-container {
  width: 100%;
  height: 100%;
  background-image: url("mbtlogo.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  position: relative; 
  display: inline-block;
  aspect-ratio: 1 / 1;
}

.logo-container::before,
.logo-container::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 85%;
  height: 85%;
  border-radius: 100%;
  border: 4px solid transparent; 
  transition: all 0.5s ease-in-out; 
  transform: translate(-50%, -50%);
  z-index: -1;
}

.logo-container::before {
  border-color: rgb(75, 140, 90); 
}

.logo-container::after {
  border-color: rgb(100, 180, 120); 
}

.logo-container:hover::before {
  width: 100%; 
  height: 100%;
  opacity: 1;
}

.logo-container:hover::after {
  width: 115%;
  height: 115%;
  opacity: 1;
  transition-delay: 0.1s; 
}

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

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

.nav-links ul li a {
    text-decoration: none;
    color: rgb(55, 96, 66);
    font-weight: 1000;
    font-size: 16px;
    transition: color 0.3s ease;
}

.nav-links ul li a:hover {
    color: rgb(100, 180, 120); /* Hover rengi */
}

/* Hamburger Menü Butonu */
.hamburger-menu {
    display: none; /* Masaüstünde gizle */
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    position: relative;
    z-index: 1010;
}

.hamburger-menu span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 5px 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Mobil Görünüm için Medya Sorgusu */
@media (max-width: 768px) {
    .navbar {
        padding: 15px 25px;
    }

    .hamburger-menu {
        display: block; /* Mobil cihazlarda göster */
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%; /* Başlangıçta ekran dışına taşı */
        width: 70%;
        height: 100vh;
        background-color: #ffffff;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        padding-top: 80px;
        transition: right 0.4s ease-in-out;
        z-index: 999;
    }

    .nav-links.active {
        right: 0; /* Aktif olduğunda içeri kaydır */
    }

    .nav-links ul {
        flex-direction: column;
        align-items: center;
    }

    .nav-links ul li {
        margin: 20px 0;
    }

    /* Hamburger animasyonu */
    .hamburger-menu.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    .hamburger-menu.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger-menu.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
}



.content {
    padding-left: 20px;
    padding-right: 20px;
}

.purpose-section {
    text-align: center;
    padding: 80px 20px;
    background-color: #fff;
    margin: 20px auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    max-width: 900px;
}

.purpose-section h2 {
    font-size: 2em; 
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
}

#typed-text {
    font-weight: bold;
    color: rgb(55, 96, 66); 
}

#typed-text-cursor {
    display: inline-block;
    background-color: rgb(55, 96, 66); /* İmleç rengi */
    width: 3px;
    height: 0.8em; /* Yazı boyutuyla orantılı yükseklik */
    margin-left: 5px;
    animation: blink 0.7s infinite; /* Yanıp sönme animasyonu */
}

/* Yanıp sönme animasyonu */
@keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 0; }
    100% { opacity: 1; }
}



/* YENİ ÜYE OL BUTONU STİLLERİ */
.signup-button {
    background-color: rgb(55, 96, 66); /* Yeşil arkaplan */
    color: #ffffff;
    padding: 24px 48px; /* Daha belirgin olması için dolgu artırıldı */
    border-radius: 10px;
    text-decoration: none;
    font-weight: 1000;
    font-size: 30px; /* Yazı boyutu büyütüldü */
    transition: background-color 0.3s ease, transform 0.3s ease, color 0.3s ease;
    border: 2px solid transparent; /* Varsayılan şeffaf kenarlık */
    margin-top: 40px; /* Metin ve imleçten boşluk bırak */
    display: inline-block;
}

.signup-button:hover {
    background-color: #ffffff; /* Üzerine gelince arkaplan rengi beyaz olsun */
    color: rgb(55, 96, 66); /* Metin rengi yeşil olsun */
    border: 2px solid rgb(55, 96, 66); /* Kenarlık yeşil olsun */
    transform: translateY(-3px); /* Hafif yukarı kalkma efekti */
    box-shadow: 0 5px 15px rgba(55, 96, 66, 0.2); /* Hafif gölge ekleyelim */
}


/* Sosyal Medya Linkleri */
.social-links {
    display: flex;
    align-items: center;
    margin-left: 2vw;
}

.social-links a {
    color: rgb(55, 96, 66, 0.8);
    font-size: 2.5vh;
    margin-right: 1.5vh;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: rgb(100, 180, 120);
    transform: scale(1.1);
}