/* ==========================================================================
   Ücretsiz yapay zekâ eğitimleri (/yapay-zeka-egitimleri)
   Önek: .lrn-  |  Renkler yalnız 00-settings.css token'larından gelir.
   ========================================================================== */

.lrn-header .page-header-component__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-4);
    margin-top: var(--space-3);
    color: var(--color-text-secondary);
    font-size: var(--font-size-caption);
}

.lrn-header .page-header-component__meta span {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

.lrn-header .page-header-component__meta .bi {
    color: var(--color-success);
}

.lrn-page {
    padding-top: 2rem;
    padding-bottom: 4rem;
}

.lrn-section {
    margin-top: 3rem;
}

/* --- Nereden başlamalı? (koyu yeşil vitrin paneli) --- */

.lrn-start {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 2rem;
    align-items: center;
    padding: 2rem;
}

.lrn-start__title {
    margin: 0.875rem 0 0.5rem;
    color: var(--color-on-dark);
    font-family: var(--font-family-heading);
    font-size: clamp(1.5rem, 2.4vw, 2rem);
    font-weight: 700;
    line-height: 1.2;
}

.lrn-start__text {
    margin: 0;
    color: var(--color-on-dark-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.lrn-paths {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.lrn-path {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem 1.125rem;
}

.lrn-path__head {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.lrn-path__icon {
    flex: 0 0 32px;
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    background: var(--color-forest-card);
    border: 1px solid var(--color-forest-card-border);
    border-radius: var(--radius-md);
    color: var(--color-on-dark-highlight);
    font-size: 1rem;
}

.lrn-path__title {
    margin: 0;
    color: var(--color-on-dark);
    font-size: 0.9375rem;
    font-weight: 700;
    line-height: 1.35;
}

.lrn-path__text {
    margin: 0;
    color: var(--color-on-dark-muted);
    font-size: 0.8125rem;
    line-height: 1.5;
}

.lrn-path__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin: 0.25rem 0 0;
    padding: 0;
    list-style: none;
}

.lrn-path__list a {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 0.25rem 0.375rem 0.25rem 0.625rem;
    background: var(--color-forest-card);
    border: 1px solid var(--color-forest-card-border);
    border-radius: var(--radius-pill);
    color: var(--color-on-dark);
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1.4;
    text-decoration: none;
    transition: background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}

.lrn-path__list a .bi {
    color: var(--color-on-dark-highlight);
}

.lrn-path__list a:hover {
    background: var(--color-brand-action);
    color: var(--color-on-brand-action);
}

.lrn-path__list a:hover .bi {
    color: var(--color-on-brand-action);
}

/* --- Filtre çubuğu --- */

.lrn-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1.5rem;
    margin-bottom: 0.5rem;
}

.lrn-toolbar__title.section-title {
    margin: 0;
}

.lrn-filters {
    flex: 1 1 auto;
}

.lrn-status {
    margin: 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-caption);
}

/* --- Bölümler ve kartlar --- */

.lrn-group {
    margin-top: 2rem;
}

.lrn-group[hidden] {
    display: none;
}

.lrn-group__head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.25rem 0.75rem;
    margin-bottom: 0.875rem;
    padding-bottom: 0.625rem;
    border-bottom: 1px solid var(--color-border);
}

.lrn-group__title {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 800;
}

.lrn-group__title .bi {
    color: var(--color-brand-strong);
}

.lrn-group__text {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
}

.lrn-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    align-items: start;
}

.lrn-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 1.125rem 1.25rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    scroll-margin-top: calc(var(--navbar-height) + 2rem);
    transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

.lrn-card:hover {
    border-color: var(--color-brand-border);
}

.lrn-card[hidden] {
    display: none;
}

.lrn-card--featured {
    border-color: var(--color-brand-border);
}

.lrn-card:target {
    border-color: var(--color-brand);
    box-shadow: var(--shadow-md);
}

.lrn-card__provider {
    margin: 0 0 0.25rem;
    color: var(--color-text-muted);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.4;
    text-transform: uppercase;
}

.lrn-card__title {
    margin: 0 0 0.625rem;
    color: var(--color-text);
    font-size: 1.0625rem;
    font-weight: 700;
    line-height: 1.35;
}

.lrn-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3125rem;
    margin: 0 0 0.75rem;
    padding: 0;
    list-style: none;
}

.lrn-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.3125rem;
    padding: 2px 0.5rem;
    background: var(--color-surface-muted);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    color: var(--color-text-secondary);
    font-size: 0.6875rem;
    font-weight: 700;
    line-height: 1.5;
}

.lrn-tag--success {
    background: var(--color-success-soft);
    border-color: var(--color-success-border);
    color: var(--color-success);
}

.lrn-tag--info {
    background: var(--color-info-soft);
    border-color: var(--color-info-border);
    color: var(--color-info);
}

.lrn-tag--warning {
    background: var(--color-warning-soft);
    border-color: var(--color-warning-border);
    color: var(--color-warning);
}

.lrn-tag--brand {
    background: var(--color-brand-soft);
    border-color: var(--color-brand-border);
    color: var(--color-brand-strong);
}

.lrn-card__desc {
    margin: 0 0 0.5rem;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

.lrn-card__facts {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin: 0 0 0.75rem;
    padding: 0.75rem;
    background: var(--color-surface-subtle);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    line-height: 1.5;
}

.lrn-card__facts div {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 0.5rem;
}

.lrn-card__facts dt {
    color: var(--color-text-muted);
    font-weight: 700;
}

.lrn-card__facts dd {
    margin: 0;
    color: var(--color-text);
}

.lrn-card__footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem 0.75rem;
    margin-top: auto;
    padding-top: 0.875rem;
    border-top: 1px solid var(--color-border);
}

.lrn-card__verified {
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

/* Ayrıntıları açan düğme: betik çalışıyorsa kartlar özet hâlinde başlar (tüm ekranlarda). */
.lrn-card__toggle {
    display: none;
    align-items: center;
    gap: 0.25rem;
    align-self: flex-start;
    margin: 0 0 0.875rem;
    padding: 0;
    background: none;
    border: 0;
    color: var(--color-brand-strong);
    font: inherit;
    font-size: 0.8125rem;
    font-weight: 700;
    cursor: pointer;
}

.lrn-card__toggle:hover {
    text-decoration: underline;
}

.lrn-card__toggle .bi {
    transition: transform var(--duration-fast) var(--ease-out);
}

.lrn-card.is-expanded .lrn-card__toggle .bi {
    transform: rotate(180deg);
}

.lrn-list.is-enhanced .lrn-card__toggle {
    display: inline-flex;
}

.lrn-list.is-enhanced .lrn-card:not(.is-expanded) .lrn-card__desc {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    line-clamp: 3;
}

.lrn-list.is-enhanced .lrn-card:not(.is-expanded) .lrn-card__details {
    display: none;
}

/* Masaüstünde kart yüksekliği sabit kalır: ayrıntılar açılınca gövde kendi içinde kayar,
   yan yana kartların satırı uzamaz. Önce süre/erişim/sertifika, altında tam açıklama. */
@media (min-width: 769px) {
    .lrn-list.is-enhanced .lrn-card__body {
        display: flex;
        flex-direction: column;
        height: 6.25rem;
        margin-bottom: 0.625rem;
        overflow: hidden;
    }

    .lrn-list.is-enhanced .lrn-card:not(.is-expanded) .lrn-card__desc {
        -webkit-line-clamp: 4;
        line-clamp: 4;
    }

    .lrn-list.is-enhanced .lrn-card.is-expanded .lrn-card__body {
        padding-right: 0.375rem;
        overflow-y: auto;
        overscroll-behavior: contain;
        scrollbar-width: thin;
        scrollbar-color: var(--color-border-strong) transparent;
    }

    .lrn-list.is-enhanced .lrn-card.is-expanded .lrn-card__details {
        order: -1;
    }

    .lrn-list.is-enhanced .lrn-card.is-expanded .lrn-card__facts {
        margin-bottom: 0.625rem;
    }

    .lrn-list.is-enhanced .lrn-card.is-expanded .lrn-card__desc {
        margin-bottom: 0;
    }
}

.lrn-empty {
    margin-top: 1.5rem;
    padding: 2.5rem 1.5rem;
    background: var(--color-surface);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    text-align: center;
}

.lrn-empty p {
    margin: 0 0 1rem;
}

/* --- Yöntem + SSS --- */

.lrn-about {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 2.5rem;
    margin-top: 3.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--color-border);
}

.lrn-prose {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.lrn-prose p {
    margin-bottom: 1rem;
}

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

.lrn-related {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.lrn-related__title {
    margin: 0 0 0.875rem;
    color: var(--color-text);
    font-size: 1.0625rem;
    font-weight: 700;
}

@media (max-width: 1199px) {
    .lrn-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 991px) {
    .lrn-start,
    .lrn-about {
        grid-template-columns: minmax(0, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .lrn-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .lrn-section {
        margin-top: 2.5rem;
    }

    .lrn-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .lrn-filters {
        flex: 0 0 auto;
        width: 100%;
    }
}

@media (max-width: 576px) {
    .lrn-start {
        padding: 1.25rem 1rem;
        border-radius: var(--radius-lg);
    }

    .lrn-paths {
        grid-template-columns: minmax(0, 1fr);
        gap: 0.5rem;
    }

    /* Mobilde yollar kompakt: açıklama gizlenir, bağlantılar kalır. */
    .lrn-path {
        padding: 0.75rem 0.875rem;
    }

    .lrn-path__text {
        display: none;
    }

    .lrn-card {
        padding: 1rem;
    }

    .lrn-card__title {
        font-size: 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .lrn-card,
    .lrn-card__toggle .bi,
    .lrn-path__list a {
        transition: none;
    }
}