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

/* HERO ALANI */
.hero {
  width: 100%;
  height: 100vh;
  background-image: url("../images/ana_foto.jpg");
  background-size: cover;       /* EKRANI TAM DOLDURUR */
  background-position: center;  /* Ortalar */
  background-repeat: no-repeat;
  position: relative;
}

/* ÜST KARARTMA (isteğe bağlı ama çok şık durur) */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.4);
}

/* Yazı */
.hero-content {
  position: relative;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  text-align: center;
}

/* HOŞ GELDİNİ VURGULU YAP */
.hero-content h1 {
    font-size: 6rem;               /* Yazıyı büyük yapar */
    font-weight: 900;              /* Kalın yapar */
    text-transform: uppercase;     /* Büyük harf */
    letter-spacing: 2px;           /* Harfler arası boşluk */
    text-shadow: 4px 4px 15px rgba(0,0,0,0.7); /* Gölgelendirme */
    color: #CDB885;                /* Tema rengi */
}

/* Proje Kartları */
.project-card {
    background-color: #94B4C1; /* Açık mavi kart */
    color: #213448;
    padding: 18px;
    border-radius: 10px;
    text-align: center;
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card h4 {
    margin-bottom: 15px;
}

.project-card:hover {
    transform: scale(1.04);
    box-shadow: 0 8px 18px rgba(0,0,0,0.12);
}

/* Galeri Görselleri */
.gallery-item {
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-item img:hover {
    transform: scale(1.08);
}

/* Collapse içerik kutusu */
.collapse-content {
    background-color: #94B4C1;
    color: #213448;
    padding: 15px;
    border-radius: 8px;
    margin-top: 10px;
}

/* İletişim formu */
.contact-form {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.contact-form input,
.contact-form textarea {
    background-color: #94B4C1;
    border: 1px solid #547792;
    color: #213448;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: #547792;
}

/* Link Kartları */
.link-card {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.link-card:hover {
    transform: translateY(-8px);
}

/* ===================================================
   TEMA: #213448 | #547792 | #94B4C1 | #CDB885
   =================================================== */

/* Genel Sayfa (body) */
body {
    font-family: Arial, sans-serif;
    background-color: #213448; /* koyu lacivert arka plan */
    color: #CDB885;            /* yazılar */
}

/* Navbar */
.navbar {
    background-color: #213448; /* koyu lacivert */
}

.navbar .nav-link {
    color: #CDB885; /* navbar yazıları */
    transition: color 0.3s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
    color: #547792; /* orta mavi */
}

/* Hamburger ikon */
.navbar-toggler-icon {
    filter: invert(1);
}

/* Footer */
footer {
    background-color: #213448;
    color: #CDB885;
    padding: 15px 0;
    text-align: center;
}

/* Başlıklar */
h1, h2, h3, h4, h5, h6 {
    color: #CDB885;
}

/* Buttons */
.btn-primary {
    background-color: #547792; /* orta mavi */
    border-color: #547792;
    color: #CDB885;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.btn-primary:hover {
    background-color: #94B4C1; /* açık mavi hover */
    border-color: #94B4C1;
    color: #213448;
}

/* Carousel Caption */
.carousel-caption h5,
.carousel-caption p {
    color: #CDB885;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
    filter: invert(1);
}