:root {
    --lacivert: #004a87;
    --turuncu: #f37021;
    --gri: #f8f9fa;
    --beyaz: #ffffff;
}

html, body { height: 100%; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', sans-serif; display: flex; flex-direction: column; }
main { flex: 1 0 auto; }
.container { width: 95%; max-width: 1400px; margin: auto; }

/* 2 SATIRLI HEADER */
header { 
    background: #fff; border-bottom: 5px solid var(--lacivert); 
    padding: 15px 0 0 0; position: sticky; top: 0; z-index: 1000; 
    box-shadow: 0 4px 15px rgba(0,0,0,0.1); 
}

.header-top-row { display: flex; align-items: center; justify-content: space-between; padding-bottom: 15px; gap: 30px; }
.logos-group { display: flex; align-items: center; gap: 20px; flex-shrink: 0; }
.header-logo { height: 75px; width: auto; object-fit: contain; }
.tubitak-logo { height: 60px; }

.site-title-container { flex-grow: 1; text-align: left; }
.program-code { color: var(--turuncu); font-weight: 600; font-size: 1.1rem; margin-bottom: 5px; }
.main-title { color: var(--lacivert); font-size: 1.8rem; font-weight: 800; margin: 0; line-height: 1.2; }

/* Menü Tasarımı */
.header-nav-row { border-top: 1px solid #eee; background-color: #fff; }
.nav-menu { list-style: none; display: flex; justify-content: center; margin: 0; padding: 0; }
.nav-menu > li { position: relative; }
.nav-menu > li > a { 
    text-decoration: none; color: var(--lacivert); font-weight: 700; 
    font-size: 14px; text-transform: uppercase; display: block; padding: 15px 20px;
}
.nav-menu > li > a:hover { color: var(--turuncu); background-color: var(--gri); }

/* Açılır Menü (Dropdown) */
.dropdown-content { 
    display: none; position: absolute; background: #fff; min-width: 220px; 
    box-shadow: 0 8px 16px rgba(0,0,0,0.1); top: 100%; left: 0; 
    border-top: 3px solid var(--turuncu); z-index: 1100; padding: 0; margin: 0;
}
.dropdown:hover .dropdown-content { display: block; }
.dropdown-content li { list-style: none; border-bottom: 1px solid #eee; }
.dropdown-content li a { 
    padding: 12px 20px; display: block; color: var(--lacivert); 
    text-decoration: none; font-weight: 600; font-size: 13px;
}
.dropdown-content li a:hover { background-color: var(--gri); color: var(--turuncu); }

/* ANA SAYFA RESİM KESME */
/* Ana Sayfa Görsel Düzenlemesi */
.hero-wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 40px 0; /* Üst ve alttan modern bir boşluk */
    background-color: var(--beyaz);
}

.hero-img-home {
    max-width: 1000px; /* Görselin çok yayılmasını engeller */
    width: 90%;       /* Mobilde kenarlara yapışmaz */
    height: auto;     /* Oran bozulmaz */
    border-radius: 12px; /* Köşeleri hafif yumuşatır */
    box-shadow: 0 10px 30px rgba(0,0,0,0.08); /* Hafif derinlik verir */
}

/* Hoşgeldiniz Alanı */
.welcome-section {
    text-align: center;
    padding: 40px 0 80px 0;
}

.welcome-title {
    color: var(--lacivert);
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.welcome-text {
    font-size: 1.25rem;
    color: #555;
    max-width: 850px;
    margin: 0 auto;
    line-height: 1.6;
}
/* İÇ SAYFA DÜZENİ */
.page-banner { background-color: var(--gri); padding: 40px 0; margin-bottom: 30px; border-bottom: 1px solid #ddd; }
.page-banner h1 { margin: 0; color: var(--lacivert); text-align: center; font-size: 2.2rem; }
.section-title { color: var(--lacivert); border-left: 5px solid var(--turuncu); padding-left: 15px; margin: 30px 0 20px 0; font-size: 1.6rem; }
.text-box, .text-block { background: var(--gri); padding: 25px; border-radius: 8px; border: 1px solid #eee; margin-bottom: 25px; line-height: 1.8; }

/* Grid Kartlar */
.grid-names { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; margin-top: 20px; }
.name-card { background: #fff; padding: 20px; border-radius: 8px; border: 1px solid #ddd; border-top: 4px solid var(--lacivert); }

footer { background: #1a1a1a; color: #fff; text-align: center; padding: 30px 0; margin-top: auto; }

/* İsim Kartları Grid Yapısı */
.grid-names { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); 
    gap: 25px; 
    margin-top: 20px; 
}

.name-card { 
    background: #fff; 
    padding: 25px; 
    border-radius: 10px; 
    border: 1px solid #ddd; 
    border-top: 5px solid var(--lacivert); 
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column; /* İçeriği dikey sıralar */
    justify-content: center;
}

.name-card:hover { 
    transform: translateY(-5px); 
    box-shadow: 0 10px 20px rgba(0,0,0,0.1); 
}

.name-card strong { 
    display: block; /* İsmi ayrı bir satıra zorlar */
    color: var(--lacivert); 
    font-size: 1.2rem; 
    margin-bottom: 8px; /* Üniversite ismiyle arasına boşluk koyar */
    border-bottom: 1px solid #eee;
    padding-bottom: 5px;
}

.name-card span { 
    display: block; /* Üniversiteyi ayrı satıra alır */
    color: #666; 
    font-size: 0.95rem; 
    font-style: italic; 
}