/* Serüven Detay Sayfası - Udemy Stili */

/* Udemy Stili Üst Banner */
.seruven-udemy-banner {
    background: #1c1d1f;
    color: white;
    padding: 20px 0 40px 0;
    margin-top: 20px;
}

.seruven-banner-content {
    max-width: 1200px;
    margin: 0 auto;
}

.seruven-breadcrumbs a {
    color: #cec0fc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.seruven-breadcrumbs a:hover {
    color: white;
    text-decoration: underline;
}

.seruven-breadcrumbs i {
    font-size: 12px;
}

.seruven-hero-section {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.seruven-hero-content {
    flex: 1;
    max-width: 760px; /* Satır uzunluğunu sınırla */
}

.seruven-hero-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 12px; /* Başlık altı boşluğu azalt */
    color: white;
}

.seruven-hero-desc {
    color: #e1e3e8; /* Daha okunaklı açık gri */
    font-size: 14px;
    line-height: 1.5;
    margin-top: -6px;
    margin-bottom: 10px; /* Meta ile boşluğu azalt */
}

.seruven-instructor-title {
    font-size: 12px;
    font-weight: 600;
    color: white;
    margin-bottom: 8px;
    line-height: 1.4;
}

.seruven-instructor-icon {
    font-size: 14px;
    margin-right: 6px;
}

.seruven-hero-meta {
    display: flex;
    flex-direction: column;
    gap: 12px; /* Dikey boşluğu azalt */
}

.seruven-instructor-info {
    font-size: 19px;
    line-height: 1.4;
    color: white;
    margin-bottom: 16px;
    max-width: 600px; /* Maksimum genişlik sınırla */
    word-wrap: break-word; /* Uzun kelimeleri böl */
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap; /* Tek satırda tut */
    justify-content: flex-start; /* Sola hizala */
    width: fit-content; /* Sadece içeriği kadar genişlik */
}

.seruven-instructor-link {
    color: #cec0fc;
    text-decoration: none;
    font-weight: 600;
}

.seruven-instructor-link:hover {
    text-decoration: underline;
}

.seruven-meta-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 0; /* Üst boşluğu kaldır */
}

.seruven-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #edf0f5; /* Açıklamadan bir ton daha açık */
}

.seruven-meta-item i {
    width: 16px;
    text-align: center;
}

.seruven-level-rating {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.seruven-level-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #a435f0;
    color: white;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
}

.seruven-level-badge i {
    font-size: 12px;
}

.seruven-rating-display {
    display: flex;
    align-items: center;
    gap: 8px;
}

.seruven-rating-number {
    font-size: 18px;
    font-weight: 700;
    color: #f3ca8c;
}

.seruven-stars {
    display: flex;
    gap: 2px;
}

.seruven-stars i {
    color: #f3ca8c;
    font-size: 16px;
}

.seruven-rating-count {
    display: flex;
    align-items: center;
    font-size: 16px;
    color: #cec0fc;
}

.seruven-rating-count i {
    margin-right: 8px;
    font-size: 14px;
}

.seruven-students-count {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    color: #cec0fc;
}

.seruven-students-count i {
    font-size: 14px;
}

.seruven-hero-video {
    width: 400px;
    flex-shrink: 0;
}

.seruven-video-thumbnail {
    position: relative;
    width: 100%;
    height: 250px;
    background: #000;
    background-size: cover;
    background-position: center;
    border-radius: 8px;
    overflow: hidden;
}

.seruven-video-preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    font-weight: bold;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

.seruven-play-button {
    font-size: 60px;
    margin-bottom: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.seruven-play-button:hover {
    transform: scale(1.1);
}

.seruven-video-text {
    font-size: 16px;
    font-weight: 600;
}

/* Öğrenecekleriniz Bölümü */
.seruven-learning-section {
    margin: 40px 0;
    padding: 30px 0;
}

.seruven-learning-section h2 {
    font-size: 24px;
    font-weight: 700;
    color: #1c1d1f;
    margin-bottom: 20px;
}

.seruven-learning-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
}

.seruven-learning-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 16px;
    line-height: 1.5;
}

.seruven-learning-item i {
    color: #1c1d1f;
    margin-top: 2px;
    flex-shrink: 0;
    font-size: 14px;
}

.seruven-detail-container {
    display: flex; /* Flex geri getir */
    gap: 30px;
    margin-top: 0;
    min-height: calc(100vh - 200px); /* Sayfa yüksekliğini garanti et */
    padding-bottom: 100px; /* Footer için boşluk bırak */
    align-items: flex-start; /* Üstten hizala */
    max-width: 1200px; /* Maksimum genişlik */
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
    position: relative; /* Sticky için gerekli */
}

.seruven-detail-main {
    flex: 1; /* Flex geri getir */
    max-width: calc(100% - 350px); /* Sidebar için yer bırak */
    min-width: 0; /* Flexbox overflow sorununu çöz */
}

.seruven-detail-sidebar {
    width: 320px;
    flex-shrink: 0;
    position: sticky !important; /* Güçlü sticky pozisyon */
    top: 100px !important; /* Header'dan sonra */
    margin-top: 30px; /* Üst boşluk ekle */
    height: fit-content; /* İçeriğe göre yükseklik */
    align-self: flex-start; /* Üstten hizala */
    z-index: 10; /* Diğer elementlerin üstünde */
}


/* Video Player Section */
.seruven-video-section {
    margin-bottom: 30px;
}

.seruven-video-player {
    position: relative;
    width: 100%;
    height: 400px;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
}

.seruven-video-placeholder {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.seruven-video-placeholder:hover {
    transform: scale(1.02);
}

.seruven-play-icon {
    font-size: 60px;
    color: white;
    opacity: 0.9;
    transition: all 0.3s ease;
}

.seruven-video-placeholder:hover .seruven-play-icon {
    opacity: 1;
    transform: scale(1.1);
}

.seruven-video-overlay {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    color: white;
    text-align: center;
}

.seruven-video-overlay h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.seruven-video-overlay p {
    font-size: 16px;
    opacity: 0.9;
}

/* Kurs Bilgileri */
.seruven-info-section {
    margin-bottom: 30px;
}

.seruven-info-header {
    margin-bottom: 20px;
}

.seruven-title {
    font-size: 32px;
    font-weight: 700;
    color: #1c1d1f;
    margin-bottom: 8px;
    line-height: 1.2;
}

.seruven-subtitle {
    font-size: 19px;
    color: #1c1d1f;
    margin-bottom: 16px;
    line-height: 1.4;
}

.seruven-rating-info {
    margin-bottom: 20px;
}

.seruven-rating {
    display: flex;
    align-items: center;
    gap: 8px;
}

.seruven-rating-number {
    font-size: 18px;
    font-weight: 700;
    color: #b4690e;
}

.seruven-stars {
    display: flex;
    gap: 2px;
}

.seruven-stars i {
    color: #f3ca8c;
    font-size: 16px;
}

.seruven-rating-count {
    font-size: 16px;
    color: #6a6f73;
    margin-left: 8px;
}

.seruven-instructor {
    display: flex;
    align-items: center;
    gap: 12px;
}

.seruven-instructor-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.seruven-instructor-info {
    display: flex;
    flex-direction: column;
}

.seruven-instructor-name {
    font-size: 16px;
    font-weight: 600;
    color: #1c1d1f;
}

.seruven-instructor-title {
    font-size: 14px;
    color: #6a6f73;
}

/* Kurs İstatistikleri */
.seruven-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding: 20px 0;
    border-top: 1px solid #d1d7dc;
    border-bottom: 1px solid #d1d7dc;
}

.seruven-stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #1c1d1f;
}

.seruven-stat-item i {
    color: #6a6f73;
    width: 16px;
}

/* Tab Navigation */
.seruven-content-tabs {
    display: flex;
    border-bottom: 1px solid #d1d7dc;
    margin-bottom: 30px;
    margin-top: 30px; /* Sidebar ile aynı hizada */
}

.seruven-tab-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 24px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 600;
    color: #6a6f73;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.seruven-tab-btn:hover {
    color: #1c1d1f;
}

.seruven-tab-btn.active {
    color: #1c1d1f;
    border-bottom-color: #1c1d1f;
}

.seruven-tab-btn i {
    font-size: 14px;
}

/* Tab Content */
.seruven-tab-content {
    display: none;
    min-height: 400px; /* Tab içerikleri için minimum yükseklik */
    padding-bottom: 50px; /* Alt boşluk */
}

.seruven-tab-content.active {
    display: block;
}

/* Genel Bakış */
.seruven-overview-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1c1d1f;
    margin-bottom: 16px;
}

.seruven-learning-list,
.seruven-requirements-list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.seruven-learning-list li,
.seruven-requirements-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 16px;
    line-height: 1.5;
}

.seruven-learning-list i {
    color: #1c1d1f;
    margin-top: 2px;
    flex-shrink: 0;
}

.seruven-requirements-list i {
    color: #6a6f73;
    font-size: 8px;
    margin-top: 8px;
    flex-shrink: 0;
}

.seruven-description {
    font-size: 16px;
    line-height: 1.6;
    color: #1c1d1f;
}

/* Müfredat */
.seruven-curriculum-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1c1d1f;
    margin-bottom: 20px;
}

.seruven-expert-note {
    background: #f7f9fa;
    border: 1px solid #e6eaee;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 13px;
    color: #3c3f42;
    margin-bottom: 12px;
}
.seruven-expert-note a { color: #1c1d1f; text-decoration: underline; font-weight: 600; }

/* Ekip Bloğu */
.seruven-crew-section {
    margin: 24px 0 16px;
}

.seruven-crew-title {
    font-size: 20px;
    font-weight: 700;
    color: #1c1d1f;
    margin-bottom: 12px;
}

.seruven-crew-intro {
    font-size: 13px;
    color: #3c3f42;
    margin: -4px 0 12px;
}
.seruven-crew-intro a { color: #1c1d1f; text-decoration: underline; font-weight: 600; }

.seruven-crew-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
}

.seruven-crew-card {
    border: 1px solid #e6eaee;
    border-radius: 10px;
    padding: 14px 14px 10px;
    background: #fff;
    display: flex;
    flex-direction: column;
    min-height: 160px;
}

.seruven-crew-header {
    display: flex;
    align-items: center;
    gap: 10px;
}

.seruven-crew-avatar {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    object-fit: cover;
    background: #f7f9fa;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.seruven-crew-avatar-fallback {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background: #f1f3f4;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6a6f73;
    font-weight: 700;
}

.seruven-crew-avatar-icon { font-size: 18px; color: #6a6f73; }

.seruven-crew-meta { display: flex; flex-direction: column; }
.seruven-crew-name { font-size: 14px; font-weight: 700; color: #1c1d1f; }
.seruven-crew-subrole { font-size: 12px; color: #6a6f73; margin-top: 2px; }
.seruven-crew-role { font-size: 12px; font-weight: 600; margin-top: 2px; }
.seruven-role-designer { color: #3c3f42; }
.seruven-role-pedagog { color: #3c3f42; }
.seruven-role-technical { color: #3c3f42; }

.seruven-crew-desc {
    margin-top: 12px;
    font-size: 13px;
    line-height: 1.5;
    color: #3c3f42;
}

.seruven-crew-cta { margin-top: auto; }

.seruven-crew-link {
    display: inline-block;
    margin-top: 6px;
    font-size: 12px;
    font-weight: 600;
    color: #1c1d1f;
    text-decoration: underline;
}

.seruven-full-description {
    margin-top: 20px;
}

.seruven-full-description h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.seruven-full-description p {
    font-size: 16px;
    line-height: 1.6;
    color: #1c1d1f;
}

.seruven-curriculum-sections {
    border: 1px solid #d1d7dc;
    border-radius: 8px;
    overflow: hidden;
}

.seruven-curriculum-section {
    border-bottom: 1px solid #d1d7dc;
}

.seruven-curriculum-section:last-child {
    border-bottom: none;
}

.seruven-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: #f7f9fa;
    cursor: pointer;
    transition: background-color 0.25s ease, box-shadow 0.25s ease;
}

.seruven-section-header:hover {
    background: #f1f3f4;
    box-shadow: inset 0 -1px 0 #e6eaee;
}

.seruven-section-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1c1d1f;
    margin-bottom: 4px;
}

.seruven-section-info span {
    font-size: 14px;
    color: #6a6f73;
}

.seruven-expert-badges { margin-top: 4px; display: flex; gap: 6px; flex-wrap: wrap; }
.seruven-chip { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; border: 1px solid transparent; }
.seruven-chip-dual { background: #eef1ff; color: #2f6df6; border-color: #d7e0ff; }

/* Ders sayısını başlık yanına taşıyan rozet */
.seruven-section-lesson-count {
    font-size: 14px;
    font-weight: 400;
    color: #6a6f73;
    margin-left: 8px;
}

.seruven-section-toggle {
    color: #6a6f73;
    transition: transform 0.3s ease;
}

.seruven-section-lessons {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

/* Açık olduğunda ders listesini göster */
.seruven-curriculum-section.open .seruven-section-lessons {
    padding-top: 6px;
    max-height: 1200px; /* yeterince büyük bir değer */
}

/* Açık kapanık ikon dönüşü */
.seruven-curriculum-section.open .seruven-section-toggle {
    transform: rotate(180deg);
}

.seruven-lesson-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid #f1f3f4;
}

.seruven-lesson-item:last-child {
    border-bottom: none;
}

.seruven-lesson-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.seruven-lesson-info i {
    color: #6a6f73;
    font-size: 16px;
}

.seruven-lesson-title {
    font-size: 16px;
    color: #1c1d1f;
}

.seruven-lesson-preview {
    background: #f3ca8c;
    color: #b4690e;
    font-size: 12px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 8px;
}

.seruven-lesson-duration {
    font-size: 14px;
    color: #6a6f73;
}

/* Eğitmen */
.seruven-instructor-content {
    padding: 20px 0;
}

.seruven-instructor-profile {
    display: flex;
    gap: 20px;
}

/* Fotoğraf fallback kapsayıcısını da kare ve gölgeli yap */
.seruven-instructor-photo-fallback {
    width: 100px !important;
    height: 100px !important;
    min-width: 100px !important;
    min-height: 100px !important;
    aspect-ratio: 1 / 1 !important;
    border-radius: 8px !important;
    background: #f0f2f5 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: #6a6f73 !important;
    font-size: 32px !important;
    font-weight: 700 !important;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25), 0 2px 8px rgba(0, 0, 0, 0.12) !important;
}

.seruven-instructor-photo {
    width: 100px !important;
    height: 100px !important;
    min-width: 100px !important;
    min-height: 100px !important;
    aspect-ratio: 1 / 1 !important;
    border-radius: 8px !important; /* kare görünüm, hafif köşe yumuşatma */
    object-fit: cover !important;
    background: #f7f9fa !important;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25), 0 2px 8px rgba(0, 0, 0, 0.12) !important;
}

.seruven-instructor-details h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1c1d1f;
    margin-bottom: 12px;
}

.seruven-instructor-bio {
    font-size: 16px;
    line-height: 1.6;
    color: #1c1d1f;
    margin-bottom: 20px;
}

.seruven-instructor-stats {
    display: flex;
    gap: 30px;
}

.seruven-instructor-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.seruven-stat-number {
    font-size: 24px;
    font-weight: 700;
    color: #1c1d1f;
}

.seruven-stat-label {
    font-size: 14px;
    color: #6a6f73;
}

/* Değerlendirmeler */
.seruven-reviews-content {
    padding: 20px 0;
}

.seruven-reviews-summary {
    margin-bottom: 30px;
}

.seruven-reviews-rating {
    display: flex;
    align-items: center;
    gap: 12px;
}

.seruven-reviews-number {
    font-size: 48px;
    font-weight: 700;
    color: #b4690e;
}

.seruven-reviews-stars {
    display: flex;
    gap: 2px;
}

.seruven-reviews-stars i {
    color: #f3ca8c;
    font-size: 20px;
}

.seruven-reviews-count {
    display: flex;
    align-items: center;
    font-size: 16px;
    color: #6a6f73;
}

.seruven-reviews-count i {
    margin-right: 8px;
    font-size: 14px;
}

.seruven-reviews-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.seruven-review-item {
    padding: 20px;
    border: 1px solid #d1d7dc;
    border-radius: 8px;
}

.seruven-review-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.seruven-review-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.seruven-review-name {
    font-size: 16px;
    font-weight: 600;
    color: #1c1d1f;
}

.seruven-review-rating {
    display: flex;
    gap: 2px;
}

.seruven-review-rating i {
    color: #f3ca8c;
    font-size: 14px;
}

.seruven-review-text {
    font-size: 16px;
    line-height: 1.6;
    color: #1c1d1f;
}

/* Sidebar */
.seruven-purchase-card {
    background: white;
    border: 1px solid #d1d7dc;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 30px;
    position: relative; /* Normal pozisyon */
    top: auto;
}

.seruven-price {
    margin-bottom: 20px;
}

.seruven-price-current {
    font-size: 32px;
    font-weight: 700;
    color: #1c1d1f;
}

.seruven-price-original {
    font-size: 16px;
    color: #6a6f73;
    text-decoration: line-through;
    margin-left: 8px;
}

.seruven-purchase-btn {
    width: 100%;
    background: #1c1d1f;
    color: white;
    border: none;
    padding: 16px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background-color 0.3s ease;
    margin-bottom: 16px;
    text-decoration: none;
}

.seruven-purchase-btn:hover {
    background: #3e4143;
}

.seruven-guarantee {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #6a6f73;
    margin-bottom: 20px;
}

.seruven-guarantee i {
    color: #1c1d1f;
}

.seruven-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.seruven-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #1c1d1f;
}

.seruven-feature i {
    color: #6a6f73;
    width: 16px;
}

/* İlgili Serüvenler */
.seruven-related {
    background: white;
    border: 1px solid #d1d7dc;
    border-radius: 8px;
    padding: 24px;
}

.seruven-related h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1c1d1f;
    margin-bottom: 20px;
}

.seruven-related-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.seruven-related-item {
    display: flex;
    gap: 12px;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.seruven-related-item:hover {
    opacity: 0.8;
}

.seruven-related-image {
    width: 60px;
    height: 60px;
    background: #f7f9fa;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.seruven-related-placeholder {
    font-size: 18px;
    font-weight: 600;
    color: #6a6f73;
}

.seruven-related-info {
    flex: 1;
}

.seruven-related-info h4 {
    font-size: 14px;
    font-weight: 600;
    color: #1c1d1f;
    margin-bottom: 4px;
    line-height: 1.3;
}

.seruven-related-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 4px;
}

.seruven-related-rating span {
    font-size: 12px;
    color: #b4690e;
    font-weight: 600;
}

.seruven-related-rating i {
    color: #f3ca8c;
    font-size: 12px;
}

.seruven-related-price {
    font-size: 14px;
    font-weight: 600;
    color: #1c1d1f;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .seruven-hero-section {
        flex-direction: column;
        gap: 30px;
    }

    .seruven-hero-video {
        width: 100%;
        max-width: 500px;
        margin: 0 auto;
    }

    .seruven-detail-container {
        flex-direction: column;
        min-height: calc(100vh - 150px); /* Mobilde daha az yükseklik */
        padding-bottom: 80px; /* Mobilde daha az padding */
    }

    .seruven-detail-main {
        max-width: 100%;
    }

    .seruven-detail-sidebar {
        width: 100%;
        position: static; /* Mobilde sticky kaldır */
        top: auto;
        margin-top: 20px;
    }

    .seruven-purchase-card {
        position: static;
        margin-top: 0;
    }
}

@media (max-width: 768px) {
    .seruven-hero-title {
        font-size: 24px;
    }

    .seruven-hero-subtitle {
        font-size: 16px;
    }

    .seruven-level-rating {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .seruven-learning-grid {
        grid-template-columns: 1fr;
    }

    .seruven-detail-container {
        min-height: calc(100vh - 120px); /* Tablet için */
        padding-bottom: 60px;
    }

    .seruven-tab-content {
        min-height: 300px; /* Mobilde daha az minimum yükseklik */
        padding-bottom: 40px;
    }

    .seruven-video-player {
        height: 250px;
    }

    .seruven-stats {
        flex-direction: column;
        gap: 12px;
    }

    .seruven-content-tabs {
        flex-wrap: wrap;
    }

    .seruven-tab-btn {
        padding: 12px 16px;
        font-size: 14px;
    }

    .seruven-instructor-profile {
        flex-direction: column;
        text-align: center;
    }

    .seruven-instructor-stats {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .seruven-hero-title {
        font-size: 20px;
    }

    .seruven-hero-subtitle {
        font-size: 14px;
    }

    .seruven-video-thumbnail {
        height: 200px;
    }

    .seruven-play-button {
        font-size: 40px;
    }

    .seruven-detail-container {
        gap: 20px;
        margin-top: 0;
        min-height: calc(100vh - 100px); /* Küçük ekranlar için */
        padding-bottom: 50px;
    }

    .seruven-tab-content {
        min-height: 250px; /* En küçük ekranlar için */
        padding-bottom: 30px;
    }

    .seruven-video-player {
        height: 200px;
    }

    .seruven-video-overlay h3 {
        font-size: 18px;
    }

    .seruven-video-overlay p {
        font-size: 14px;
    }

    .seruven-purchase-card {
        padding: 20px;
    }

    .seruven-price-current {
        font-size: 24px;
    }
}

/* Vimeo Video Modal Stilleri */
.seruven-video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 5%;
}

.seruven-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    cursor: pointer;
}

.seruven-modal-content {
    position: relative;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 90%;
    max-height: 90%;
    width: 800px;
    overflow: hidden;
    animation: seruven-modal-fade-in 0.3s ease-out;
    margin: auto;
}

@keyframes seruven-modal-fade-in {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.seruven-modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    font-size: 20px;
    color: white;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    z-index: 10;
}

.seruven-modal-close:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

.seruven-modal-body {
    padding: 0;
}

.seruven-video-container {
    width: 100%;
    position: relative;
}

/* Responsive Modal */
@media (max-width: 768px) {
    .seruven-modal-content {
        width: 95%;
        max-height: 80%;
    }

    .seruven-modal-header {
        padding: 15px 20px;
    }

    .seruven-modal-header h3 {
        font-size: 18px;
    }

    .seruven-modal-close {
        font-size: 20px;
        width: 30px;
        height: 30px;
    }
}

@media (max-width: 480px) {
    .seruven-modal-content {
        width: 98%;
        max-height: 75%;
    }

    .seruven-modal-header {
        padding: 12px 15px;
    }

    .seruven-modal-header h3 {
        font-size: 16px;
    }
}

/* Override: Üst banner içindeki eğitmen başlığı boyutu (özgüllük artırıldı) */
.seruven-udemy-banner .seruven-hero-content h2.seruven-instructor-title {
    font-size: 12px !important;
    font-weight: 600 !important;
    line-height: 1.4 !important;
    color: #ffffff !important;
    margin-bottom: 8px !important;
}