/* Genel Stiller ve Değişkenler */
:root {
    --primary-color: #FF8006;
    --secondary-color: #2c3e50;
    --light-gray: #f8f9fa;
    --dark-gray: #343a40;
    --text-color: #6c757d;
    --white: #ffffff;
    --border-color: #dee2e6;
    --shadow: 0 8px 25px rgba(0, 0, 0, 0.07);
    --transition: all 0.3s ease-in-out;
}

body {
    background-color: var(--light-gray);
}

/* Sayfa Başlığı */
.news-header {
    background: var(--white);
    padding: 2rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 3rem;
}

.news-title-main {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin: 0;
    outline: none;
}

    .news-title-main::after {
        content: '';
        display: block;
        width: 80px;
        height: 4px;
        background: var(--primary-color);
        margin: 1rem auto 0;
        border-radius: 2px;
    }

/* Ana İçerik Alanı */
.news-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 0 4rem 0;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2.5rem;
    align-items: flex-start;
}

.show-result {
    grid-column: 1 / -1;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-size: 0.95rem;
}

/* Filtreleme Alanı */
.news-filter {
    position: sticky;
    top: 2rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 1.5rem;
}

.filter-header h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin: 0 0 1.5rem 0;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.filter-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-color);
    font-weight: 500;
    border: 1px solid transparent;
}

    .filter-item:hover {
        background-color: var(--light-gray);
        color: var(--primary-color);
    }

    .filter-item.active {
        background-color: #FFF5E8;
        color: var(--primary-color);
        font-weight: 600;
        border-color: var(--primary-color);
    }

.filter-text {
    flex-grow: 1;
}

.filter-count {
    background-color: var(--border-color);
    color: var(--text-color);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    transition: var(--transition);
}

.filter-item.active .filter-count {
    background-color: var(--primary-color);
    color: var(--white);
}


/* Haber Listesi */
.news-list-container {
    min-width: 0;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.news-card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

    .news-card:hover {
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
    }

.news-card-img {
    position: relative;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
}

    .news-card-img img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
    }

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

.news-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    color: var(--secondary-color);
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 1;
}

.news-card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.news-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-gray);
    line-height: 1.4;
    margin: 0 0 0.75rem 0;
    transition: color 0.3s ease;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-card:hover .news-title {
    color: var(--primary-color);
}

.news-excerpt {
    font-size: 0.95rem;
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
    /* Limit to 4 lines */
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-footer {
    padding-top: 1rem;
    margin-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.read-more {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

    .read-more i {
        transition: transform 0.3s ease;
    }

    .news-card:hover .read-more i {
        transform: translateX(4px);
    }

/* Responsive Tasarım */
@media (max-width: 992px) {
    .news-container {
        grid-template-columns: 1fr;
    }

    .news-filter {
        position: static;
        margin-bottom: 2.5rem;
    }

    .filter-list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.8rem;
    }

    .filter-item {
        border: 1px solid var(--border-color);
    }
}

@media (max-width: 768px) {
    .news-header {
        padding: 3rem 1rem;
        margin-bottom: 2rem;
    }

    .news-title-main {
        font-size: 2.5rem;
    }

    .news-container {
        padding: 0 1rem 3rem;
    }

    .news-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 576px) {
    .news-grid {
        grid-template-columns: 1fr;
    }

    .news-header {
        padding: 2.5rem 1rem;
    }

    .news-title-main {
        font-size: 2rem;
    }

    .news-card-content {
        padding: 1rem;
    }

    .news-title {
        font-size: 1.1rem;
        min-height: 4.62rem; /* 1.1rem * 1.4 * 3 */
    }

    .news-excerpt {
        font-size: 0.9rem;
    }
}