@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Inter", sans-serif;
}

body {
    line-height: 1.6;
    font-size: 1.04rem;
    background-color: #F1F5F9;
    color: #333;
}

.notification {
    color: #5BA6E6;
    font-weight: 500;
    padding: .7rem 11rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.notification p {
    margin: 0;
    font-size: 1rem;
}

.notification a {
    color: #5BA6E6;
    text-decoration: underline;
    font-weight: 500;
    transition: all 0.3s ease;
}

.notification a:hover {
    color: #4483bb;
    transition: all 0.3s ease;
}

.notification .close-notification {
    background: none;
    border: none;
    color: #5BA6E6;
    font-size: 1.5rem;
    cursor: pointer;
}

header {
    background-color: #ffffffdc;
    color: #5BA6E6;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px); 
    padding: 1rem 11rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    border-bottom: 1px solid #4483bb44;
}

header .logo {
    display: flex;
    gap: 0.7rem;
    justify-content: center;
    align-items: center;
}

header .logo img {
    width: 24px;
    height: 24px;
}

header .logo h1 {
    color: #4483bb;
    font-size: 1.4rem;
    font-weight: bold;
}

header nav {
    display: flex;
    justify-content: center;
    align-items: center;
}

header nav ul {
    display: flex;
    gap: 2rem;
}

header nav ul li {
    list-style: none;
}

header nav ul li a {
    text-decoration: none;
    color: #5BA6E6;
    transition: color 0.3s ease;
    font-weight: 500;
}

header nav ul li a:hover {
    color: #4483bb;
}

/* --- MEGA MENU ANA AYARLARI --- */
.mega-menu {
    position: absolute;
    top: 100%; /* Navbar'ın hemen alt sınırından başlasın */
    left: 0;
    width: 100%; /* Ekranı boydan boya kaplasın */
    background-color: #fdfefe;
    padding: 3rem 10rem;
    box-sizing: border-box;
    display: flex;
    justify-content: space-around;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    transform: translateY(10px);
    border-bottom: 1px solid #4483bb44;
}

/* --- HOVER EFEKTİ (Sihirli Kısım) --- */
/* Üstteki li elementine hover olunduğunda içindeki .mega-menu'yü göster */
.dropdown:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* İçerideki Sütunların Tasarımı */
.mega-column {
  display: flex;
  flex-direction: column;
  width: 30%;
}

.mega-column h3 {
  color: #444; /* Başlık rengi */
  font-size: 18px;
  margin-bottom: 15px;
  border-bottom: 1.4px solid #58585858;
  padding-bottom: 5px;
}

.mega-column a {
  color: #5BA6E6;
  text-decoration: none;
  padding: 5px 0;
  font-size: 15px;
  transition: color 0.3s;
}

.mega-column a:hover {
  color: #4483bb; /* Üzerine gelince link mavilaşsın */
}

.mega-column p {
  color: #aaa;
  font-size: 14px;
  line-height: 1.6;
}

.material-symbols-rounded.mobile-menu-button {
    display: none;
    cursor: pointer;
    color: #5BA6E6;
    font-size: 2rem;
}

.hero {
    background-color: #5BA6E6;
    color: #ffffff;
    padding: 3rem 11rem;
}

.hero h2 {
    font-size: 2.6rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.hero a.btn {
    display: inline-block;
    background-color: #ebf0f5;
    color: #5BA6E6;
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.hero a.btn .btn-content {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.hero a.btn span.material-symbols-rounded {
    font-size: 1.3rem;
    transition: all 0.3s ease;
}

.hero a.btn:hover span.material-symbols-rounded {
    transform: translateX(5px);
    transition: all 0.3s ease;
}

.hero a.btn:hover {
    background-color: #ffffff;
}

main {
    padding: 3rem 11rem;
}

main p {
    font-size: 1.1rem;
}

main section {
    margin-bottom: 2rem;
}

footer {
    background-color: #e1e7ee;
    color: #5BA6E6;
    padding: 1rem 11rem;
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

footer .links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

footer .links a {
    text-decoration: none;
    color: #5BA6E6;
    transition: all 0.3s ease;
}

footer .links a:hover {
    color: #4483bb;
    transform: translateY(-3px);
    transition: all 0.3s ease;
}

footer select {
    padding: 0.5rem 2rem;
    border-radius: 20px;
    border: 0px solid #5BA6E6;
    background-color: #ffffff;
    color: #5BA6E6;
    font-size: 1rem;
}

@media (max-width: 768px) {
    .notification {
        padding: 1rem;
    }

    header {
        padding: 1rem;
    }

    header nav {
        display: none;
    }

    .material-symbols-rounded.mobile-menu-button {
        display: block;
    }

    .hero {
        padding: 3rem 1rem;
    }

    main {
        padding: 3rem 1rem;
    }

    footer {
        padding: 1rem;
    }

    footer a {
        display: none;
    }
}