/* Betta Yazılım - makale sayfası stilleri */
:root {
    --primary-color: #2a9d8f;
    --secondary-color: #264653;
    --dark-color: #1d3557;
    --light-color: #e9f5f5;
    --muted-color: #5c6b7a;
    --white-color: #fff;
    --transition: all 0.3s ease-in-out;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #3d4b58;
    background: #fbfdfd;
    line-height: 1.75;
    padding-top: 78px;
}

img {
    max-width: 100%;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    color: var(--secondary-color);
}

/* Navbar */
.article-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--secondary-color);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.article-nav .inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.article-nav .brand {
    font-family: 'Poppins', 'Segoe UI', sans-serif;
    font-size: 24px;
    font-weight: 600;
    color: var(--white-color);
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.article-nav .brand:hover {
    color: var(--primary-color);
}

.article-nav .links {
    display: flex;
    gap: 22px;
    font-size: 15px;
}

.article-nav .links a {
    color: rgba(255, 255, 255, 0.85);
    transition: var(--transition);
}

.article-nav .links a:hover {
    color: var(--white-color);
}

/* Okuma ilerleme çubuğu */
.reading-progress {
    position: fixed;
    top: 78px;
    left: 0;
    height: 3px;
    width: 0;
    background: var(--primary-color);
    z-index: 101;
    transition: width 0.1s linear;
}

/* Başlık alanı */
.article-hero {
    background: linear-gradient(135deg, rgba(42, 157, 143, 0.95) 0%, rgba(38, 70, 83, 0.95) 100%);
    color: var(--white-color);
    padding: 60px 20px 70px;
}

.article-hero .inner {
    max-width: 780px;
    margin: 0 auto;
}

.article-hero .kicker {
    text-transform: uppercase;
    letter-spacing: 1.4px;
    font-size: 12px;
    font-weight: 700;
    opacity: 0.85;
    margin: 0 0 14px;
}

.article-hero h1 {
    font-size: 40px;
    line-height: 1.25;
    font-weight: 700;
    margin: 0 0 18px;
}

.article-hero .meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    font-size: 14px;
    opacity: 0.9;
}

/* İçerik */
.article-body {
    max-width: 780px;
    margin: -40px auto 0;
    background: var(--white-color);
    border-radius: 14px;
    box-shadow: 0 10px 40px rgba(29, 53, 87, 0.08);
    padding: 46px 48px 40px;
    position: relative;
}

.article-cover {
    width: 100%;
    height: 320px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 34px;
}

.article-body p {
    margin: 0 0 20px;
    font-size: 17px;
}

.article-body h2 {
    font-size: 25px;
    color: var(--dark-color);
    margin: 42px 0 14px;
    line-height: 1.35;
}

.article-body h3 {
    font-size: 19px;
    color: var(--secondary-color);
    margin: 30px 0 10px;
}

.article-body ul,
.article-body ol {
    margin: 0 0 22px;
    padding-left: 22px;
}

.article-body li {
    margin-bottom: 9px;
    font-size: 17px;
}

.article-body strong {
    color: var(--dark-color);
}

.article-body blockquote {
    margin: 28px 0;
    padding: 18px 24px;
    border-left: 4px solid var(--primary-color);
    background: var(--light-color);
    border-radius: 0 10px 10px 0;
    font-size: 17px;
    color: var(--secondary-color);
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 26px;
    font-size: 16px;
}

.article-body th,
.article-body td {
    border: 1px solid #e2eaf0;
    padding: 11px 13px;
    text-align: left;
    vertical-align: top;
}

.article-body th {
    background: var(--light-color);
    color: var(--dark-color);
}

.callout {
    background: #f4f9f8;
    border: 1px solid #d9ece9;
    border-radius: 12px;
    padding: 20px 24px;
    margin: 30px 0;
}

.callout p:last-child {
    margin-bottom: 0;
}

.callout .callout-title {
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 8px;
}

/* Yazar/CTA kutusu */
.article-cta {
    max-width: 780px;
    margin: 34px auto 0;
    background: var(--secondary-color);
    color: var(--white-color);
    border-radius: 14px;
    padding: 32px 40px;
}

.article-cta h2 {
    margin: 0 0 10px;
    font-size: 22px;
}

.article-cta p {
    margin: 0 0 20px;
    opacity: 0.88;
}

.article-cta .actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btn-solid,
.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: 6px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-solid {
    background: var(--primary-color);
    color: var(--white-color);
}

.btn-solid:hover {
    background: var(--white-color);
    color: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-ghost {
    border: 1px solid rgba(255, 255, 255, 0.45);
    color: var(--white-color);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--white-color);
    transform: translateY(-2px);
}

/* Diğer yazılar */
.more-posts {
    max-width: 780px;
    margin: 46px auto 0;
    padding: 0 4px;
}

.more-posts h2 {
    font-size: 20px;
    color: var(--dark-color);
    margin: 0 0 18px;
}

.more-posts ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
}

.more-posts li a {
    display: block;
    background: var(--white-color);
    border: 1px solid #e6eef2;
    border-radius: 10px;
    padding: 16px 20px;
    color: var(--dark-color);
    font-weight: 600;
    transition: var(--transition);
}

.more-posts li a:hover {
    border-color: var(--primary-color);
    transform: translateX(4px);
    box-shadow: 0 6px 20px rgba(42, 157, 143, 0.12);
}

/* Footer */
.article-footer {
    margin-top: 60px;
    padding: 26px 20px;
    text-align: center;
    font-size: 14px;
    color: var(--muted-color);
    background: #f2f7f7;
}

/* Responsive */
@media (max-width: 820px) {
    .article-hero h1 {
        font-size: 30px;
    }

    .article-body {
        margin: -30px 16px 0;
        padding: 30px 22px 26px;
        border-radius: 12px;
    }

    .article-cover {
        height: 210px;
    }

    .article-cta {
        margin: 28px 16px 0;
        padding: 26px 22px;
    }

    .more-posts {
        margin: 36px 16px 0;
    }

    .article-nav .links {
        gap: 14px;
        font-size: 14px;
    }

    .article-nav .brand {
        font-size: 20px;
    }
}

@media (max-width: 520px) {
    .article-nav .links a[data-optional] {
        display: none;
    }

    .article-body p,
    .article-body li {
        font-size: 16px;
    }
}