:root {
    --primary-color: #004e98;
    --secondary-color: #3a86ff;
    --accent-color: #ff004c;
    --text-dark: #1a1a2e;
    --bg-light: #f0f2f5;
}

body {
    font-family: 'Exo 2', 'Segoe UI', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    padding-top: 76px;
}

/* Navbar */
.navbar-custom {
    background: linear-gradient(90deg, var(--primary-color) 0%, #002855 100%);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.6rem;
    letter-spacing: 1px;
}

/* --- DÜZELTİLEN SLIDER ALANI --- */
.hero-slider {
    /* Slider'ın genel çerçevesini sınırla */
    max-height: 400px; 
    overflow: hidden; 
    margin-bottom: 30px;
    border-bottom: 4px solid var(--secondary-color);
}

.hero-slider .carousel-item {
    /* İçerik yüksekliğini sabitle (Sayfanın yaklaşık 1/4'ü) */
    height: 400px !important;
    min-height: 400px;
}

.hero-slider .carousel-item img {
    /* Resmi kapsayıcıya zorla sığdır */
    height: 100% !important;
    width: 100% !important;
    object-fit: cover !important; /* Resmi bozmadan kırpar */
    object-position: center center;
}

/* Mobilde yükseklik ayarı */
@media (max-width: 768px) {
    .hero-slider, 
    .hero-slider .carousel-item {
        height: 250px !important;
        min-height: 250px;
    }
}
/* ------------------------------- */

/* Teknofest/Portal Tarzı Caption */
.carousel-caption {
    background: linear-gradient(90deg, rgba(0,0,0,0.95) 0%, rgba(0,78,152,0.85) 60%, transparent 100%);
    left: 0;
    right: 0;
    bottom: 0;
    top: auto; /* Tüm alanı kaplamasın */
    padding: 20px 40px;
    text-align: left;
    width: 75%; /* Genişliği sınırla */
    border-left: 6px solid var(--accent-color);
    clip-path: polygon(0 0, 95% 0, 100% 100%, 0% 100%); /* Fütüristik kesik köşe */
}

.carousel-caption h5 {
    font-size: 1.8rem;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 5px;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.carousel-caption p {
    font-size: 1rem;
    margin-bottom: 10px;
    color: #ddd;
    font-weight: 500;
}

/* Tech Cards */
.card {
    border: none;
    border-radius: 0; /* Köşeli tasarım daha teknolojik */
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    background: #fff;
    overflow: hidden;
    position: relative;
}

.card::after {
    /* Hover efekti için çizgi */
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

.card:hover::after {
    width: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.15);
}

.card-img-top {
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

.category-badge {
    position: absolute;
    top: 0;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px 15px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    border-bottom-right-radius: 10px;
    z-index: 2;
}

/* Sidebar Widget */
.widget-title {
    font-weight: 800;
    border-left: 5px solid var(--accent-color);
    padding-left: 15px;
    margin-bottom: 20px;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: #fff;
    padding-top: 10px;
    padding-bottom: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

/* Footer */
footer {
    background: #0b0e14;
    color: #a0a0a0;
    border-top: 3px solid var(--accent-color);
    margin-top: 50px;
}