/*
 * The pages below /schulungen/ and /training/: index, calendar, learning paths, and the page of each training,
 * as well as the landing page of the book, /best-practices.html.
 * Loaded after styles.css, whose colour tokens resolve for both the light and the dark colour scheme.
 */

.training-page {
    background-color: var(--bg-primary);
}

.training-page p,
.training-page li {
    color: var(--text-secondary);
}

.training-page a:not(.btn) {
    color: var(--accent-secondary-text);
}

.training-page h1,
.training-page h2,
.training-page h3 {
    color: var(--text-primary);
}

/* Header */

.training-header {
    /* The navigation bar of the site is fixed, so the header starts below it */
    padding: 104px 0 40px;
    border-bottom: 1px solid var(--border-secondary);
}

.training-header h1 {
    font-size: 2.5rem;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.training-eyebrow {
    margin-bottom: 8px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.training-page .training-eyebrow {
    color: var(--accent-primary-text);
}

.training-subtitle {
    max-width: 760px;
    font-size: 1.25rem;
    line-height: 1.5;
}

.training-teaser {
    max-width: 760px;
    margin-top: 16px;
    font-size: 1.0625rem;
}

.training-page .training-teaser {
    color: var(--text-primary);
}

.training-header-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 28px;
    margin-top: 24px;
    list-style: none;
    font-size: 0.9375rem;
}

.training-header-facts i {
    margin-right: 6px;
    color: var(--accent-primary-text);
}

/* Navigation between index, calendar, and learning paths */

.training-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 32px;
}

.training-page .training-nav a {
    padding: 6px 14px;
    border: 1px solid transparent;
    border-radius: 999px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-decoration: none;
}

.training-page .training-nav a:hover {
    border-color: var(--border-primary);
    color: var(--text-primary);
}

.training-page .training-nav a[aria-current="page"] {
    border-color: var(--border-primary);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 600;
}

/* Notices */

.training-notice {
    max-width: 760px;
    margin: 24px 0 0;
    padding: 12px 16px;
    border-left: 3px solid var(--accent-secondary);
    border-radius: var(--border-radius);
    background-color: var(--bg-secondary);
    font-size: 0.9375rem;
}

/* Facts of a training */

.training-facts {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    max-width: 920px;
    margin: 28px 0 0;
    border-top: 1px solid var(--border-secondary);
    list-style: none;
}

.training-facts li {
    padding: 14px 16px 0 0;
}

.training-fact-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.training-page .training-fact-label {
    color: var(--text-muted);
}

.training-fact-value {
    display: block;
    margin-top: 2px;
    color: var(--text-primary);
    font-weight: 600;
}

/* Groups and cards on the index page */

.training-group {
    padding-top: 56px;
}

.training-group h2 {
    margin-bottom: 4px;
    font-size: 1.5rem;
}

.training-group-text {
    max-width: 760px;
    margin-bottom: 20px;
}

.training-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.training-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 24px;
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
    background-color: var(--bg-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.training-card:has(.training-card-title a):hover {
    border-color: var(--accent-primary-text);
    box-shadow: var(--shadow-medium);
}

.training-card-title {
    margin-bottom: 4px;
    font-size: 1.1875rem;
}

.training-page .training-card-title a {
    color: var(--text-primary);
    text-decoration: none;
}

/* The whole card links to the page of the training */
.training-card-title a::after {
    position: absolute;
    inset: 0;
    content: "";
}

.training-card-meta {
    margin-bottom: 12px;
    font-size: 0.8125rem;
}

.training-page .training-card-meta {
    color: var(--text-muted);
}

.training-card-teaser {
    flex: 1;
    font-size: 0.9375rem;
}

.training-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
    list-style: none;
}

.training-page .training-badges li {
    padding: 2px 10px;
    border: 1px solid var(--border-primary);
    border-radius: 999px;
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.training-card-date {
    margin: 0;
    padding-top: 12px;
    border-top: 1px solid var(--border-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.training-page .training-card-date {
    color: var(--text-primary);
}

/* Closing section of the index page */

.training-closing {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
    gap: 40px;
    align-items: center;
    margin: 80px 0;
    padding: 40px;
    border-radius: var(--border-radius-lg);
    background-color: var(--bg-secondary);
}

.training-closing h2 {
    font-size: 1.5rem;
}

.training-photos {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.training-photos figure {
    margin: 0;
}

.training-photos img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.training-photo-credit {
    margin: 8px 0 0;
    font-size: 0.75rem;
}

.training-page .training-photo-credit {
    color: var(--text-muted);
}

/* Page of a training: content and sidebar */

.training-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 64px;
    padding-top: 16px;
    padding-bottom: 80px;
}

.training-main {
    grid-row: 1;
    grid-column: 1;
    max-width: 760px;
}

.training-sidebar {
    position: sticky;
    top: 96px;
    grid-row: 1;
    grid-column: 2;
    align-self: start;
    margin-top: 40px;
}

.training-booking {
    padding: 24px;
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
    background-color: var(--bg-primary);
}

.training-booking h2 {
    margin-bottom: 8px;
    font-size: 1.125rem;
}

.training-dates {
    margin-bottom: 16px;
    list-style: none;
}

.training-dates li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-secondary);
}

.training-instance-note {
    display: block;
    font-size: 0.875rem;
}

.training-instance-link {
    display: inline-block;
    margin-top: 4px;
    font-size: 0.875rem;
}

.training-no-date {
    margin-bottom: 16px;
}

.training-booking .btn {
    justify-content: center;
    width: 100%;
    margin-bottom: 16px;
}

.training-certificate,
.training-best-practices,
.training-flatrate,
.training-inhouse,
.training-language-note {
    font-size: 0.875rem;
}

.training-certificate,
.training-best-practices,
.training-flatrate {
    display: flex;
    gap: 8px;
}

.training-certificate i,
.training-best-practices i,
.training-flatrate i {
    flex-shrink: 0;
    width: 1.25em;
    margin-top: 5px;
    color: var(--accent-primary-text);
    text-align: center;
}

.training-inhouse {
    margin-bottom: 0;
}

/* Sections of the page of a training */

.training-section {
    padding-top: 48px;
}

.training-section h2 {
    margin-bottom: 16px;
    font-size: 1.5rem;
}

.training-section h3 {
    margin-top: 24px;
    margin-bottom: 8px;
    font-size: 1.125rem;
}

.training-section > ul,
.training-section > ol {
    margin-bottom: 16px;
    padding-left: 1.25rem;
}

.training-section > ul li,
.training-list li {
    margin-bottom: 8px;
}

.training-section strong {
    color: var(--text-primary);
}

.training-page code {
    padding: 1px 5px;
    border-radius: 4px;
    background-color: var(--bg-tertiary);
    font-family: var(--font-mono);
    font-size: 0.875em;
}

.training-checklist {
    list-style: none;
}

.training-section > .training-checklist {
    padding-left: 0;
}

.training-checklist li {
    position: relative;
    margin-bottom: 8px;
    padding-left: 28px;
}

.training-checklist li::before {
    position: absolute;
    top: 0;
    left: 2px;
    color: var(--accent-primary-text);
    font-weight: 700;
    content: "✓";
}

/* Sessions */

.training-section > .training-sessions {
    padding-left: 0;
    list-style: none;
}

.training-session {
    display: grid;
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 20px;
    padding: 24px 0;
    border-top: 1px solid var(--border-secondary);
}

.training-session-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-primary);
    border-radius: 50%;
    color: var(--accent-primary-text);
    font-weight: 600;
}

.training-session h3 {
    margin: 6px 0 4px;
    font-size: 1.125rem;
}

.training-session-question {
    margin-bottom: 12px;
    font-style: italic;
}

.training-session-topics {
    margin-bottom: 12px;
    padding-left: 1.25rem;
}

.training-session-topics li {
    margin-bottom: 4px;
}

.training-session-result {
    margin: 0;
    padding: 10px 14px;
    border-radius: var(--border-radius);
    background-color: var(--bg-secondary);
    font-size: 0.9375rem;
}

/* Related trainings */

.training-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.training-related {
    padding: 16px 20px;
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
}

.training-section .training-related h3 {
    margin-top: 0;
    font-size: 1rem;
}

.training-related p {
    margin: 0;
    font-size: 0.9375rem;
}

.training-paths {
    margin-top: 20px;
}

/* Trainer */

.training-trainer-photo {
    float: right;
    width: 280px;
    margin: 4px 0 16px 28px;
}

.training-trainer::after {
    display: block;
    clear: both;
    content: "";
}

.training-trainer-photo img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
}

.training-trainer-photo figcaption {
    margin-top: 6px;
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* Calendar */

.training-narrow {
    padding-bottom: 80px;
}

.training-narrow > * {
    max-width: 880px;
}

.training-month {
    padding-top: 48px;
}

.training-month h2 {
    margin-bottom: 0;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-primary);
    font-size: 1.25rem;
}

.training-instances {
    list-style: none;
}

.training-instance {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr) auto;
    gap: 20px;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-secondary);
}

.training-instance-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 4px;
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
}

.training-instance-day {
    color: var(--text-primary);
    font-size: 1.75rem;
    font-weight: 600;
    line-height: 1.1;
}

.training-instance-weekday {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.training-instance-body h3 {
    margin-bottom: 4px;
    font-size: 1.125rem;
}

.training-page .training-instance-body h3 a {
    color: var(--text-primary);
    text-decoration: none;
}

.training-page .training-instance-body h3 a:hover {
    color: var(--accent-secondary-text);
}

.training-instance-meta {
    margin-bottom: 0;
    font-size: 0.875rem;
}

.training-instance-body .training-instance-note {
    display: inline-block;
    margin: 6px 0 0;
    padding: 2px 10px;
    border-radius: 999px;
    background-color: var(--bg-tertiary);
    font-size: 0.75rem;
}

.training-without-date {
    margin-top: 64px;
    padding: 32px;
    border-radius: var(--border-radius-lg);
    background-color: var(--bg-secondary);
}

.training-without-date h2 {
    font-size: 1.25rem;
}

.training-without-date-list {
    margin-bottom: 24px;
    list-style: none;
}

.training-without-date-list li {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 16px;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-primary);
}

.training-without-date-title {
    font-weight: 600;
}

.training-without-date-note {
    font-size: 0.875rem;
}

/* Learning paths */

.training-learning-paths {
    padding-bottom: 80px;
}

.learning-path {
    padding: 48px 0;
    border-bottom: 1px solid var(--border-secondary);
}

.learning-path h2 {
    margin-bottom: 8px;
    font-size: 1.5rem;
}

.learning-path-text {
    max-width: 760px;
    margin-bottom: 24px;
}

.learning-path-steps {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 48px;
    list-style: none;
}

.learning-path-step {
    position: relative;
    display: flex;
    flex: 0 1 240px;
    flex-direction: column;
    gap: 8px;
    justify-content: center;
}

.learning-path-step + .learning-path-step::before {
    position: absolute;
    top: 50%;
    left: -34px;
    color: var(--text-muted);
    font-size: 1.25rem;
    content: "→";
    transform: translateY(-50%);
}

.learning-path-label {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.learning-path-training {
    display: block;
    padding: 14px 16px;
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
    background-color: var(--bg-primary);
    text-decoration: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

a.learning-path-training:hover {
    border-color: var(--accent-primary-text);
    box-shadow: var(--shadow-small);
}

.learning-path-title {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.35;
}

.learning-path-meta {
    display: block;
    margin-top: 4px;
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.learning-path-note {
    display: inline-block;
    margin-top: 8px;
    padding: 2px 10px;
    border-radius: 999px;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.learning-path-alongside {
    margin-top: 24px;
}

.learning-path-alongside h3 {
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.training-page .learning-path-alongside h3 {
    color: var(--text-muted);
}

.learning-path-alongside ul {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    list-style: none;
}

.learning-path-alongside li {
    flex: 0 1 240px;
}

.learning-path-alongside .learning-path-training {
    border-style: dashed;
}

/* Smaller screens */

@media (max-width: 960px) {
    .training-layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 0;
    }

    .training-sidebar {
        position: static;
        grid-row: auto;
        grid-column: 1;
        margin-top: 32px;
    }

    .training-main {
        grid-row: auto;
    }

    .training-closing {
        grid-template-columns: minmax(0, 1fr);
        padding: 24px;
    }
}

@media (max-width: 720px) {
    .training-trainer-photo {
        float: none;
        width: 100%;
        margin: 0 0 16px;
    }

    .training-header h1 {
        font-size: 2rem;
    }

    .training-subtitle {
        font-size: 1.125rem;
    }

    .training-facts {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .training-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .training-instance {
        grid-template-columns: 64px minmax(0, 1fr);
    }

    .training-instance-button.btn {
        grid-column: 2;
        justify-self: start;
    }

    .learning-path-steps {
        flex-direction: column;
        gap: 36px;
    }

    .learning-path-step {
        flex-basis: auto;
    }

    .learning-path-step + .learning-path-step::before {
        top: -30px;
        left: 24px;
        content: "↓";
        transform: none;
    }

    .training-without-date {
        padding: 24px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .training-card,
    .learning-path-training {
        transition: none;
    }
}

/* Schedule, registration deadline and cancellation */

.training-dates-days {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
}

.training-dates-days time {
    display: inline;
}

.training-dates-times,
.training-dates-deadline {
    display: block;
    font-size: 0.875rem;
}

.training-page .training-dates-deadline {
    color: var(--text-muted);
}

.training-instance-schedule {
    margin-bottom: 2px;
    font-size: 0.9375rem;
    font-weight: 500;
}

.training-page .training-instance-schedule {
    color: var(--text-primary);
}

.training-instance-deadline {
    margin: 6px 0 0;
    font-size: 0.8125rem;
}

.training-page .training-instance-deadline {
    color: var(--text-muted);
}

.training-cancellation {
    font-size: 0.8125rem;
}

/* Testimonials */

.training-testimonial {
    margin: 0 0 20px;
    padding: 16px 20px;
    border-left: 3px solid var(--accent-primary);
    border-radius: var(--border-radius);
    background-color: var(--bg-secondary);
}

.training-testimonial blockquote p {
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 1.0625rem;
}

.training-testimonial figcaption {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Instances that cannot be booked yet */

.training-not-bookable {
    margin-bottom: 16px;
    padding: 10px 14px;
    border-radius: var(--border-radius);
    background-color: var(--bg-secondary);
    font-size: 0.9375rem;
}

.training-instance-not-bookable {
    padding: 6px 12px;
    border: 1px dashed var(--border-primary);
    border-radius: var(--border-radius);
    color: var(--text-muted);
    font-size: 0.8125rem;
    white-space: nowrap;
}

/* Landing page of the book PHPUnit Best Practices (/best-practices.html), which reuses the styles of the training pages */

.book-content {
    padding-bottom: 8px;
}

.book-prose > *,
.book-intro {
    max-width: 760px;
}

.book-argument {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 64px;
    align-items: start;
}

.book-cover {
    margin: 0;
}

.book-cover img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid var(--border-secondary);
    border-radius: 4px;
    box-shadow: var(--shadow-medium);
}

.training-page .training-header-facts .book-status {
    color: var(--text-primary);
    font-weight: 600;
}

.book-chapters {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 40px;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: chapter;
}

.training-section > .book-chapters {
    padding-left: 0;
}

.book-chapters li {
    position: relative;
    padding: 14px 0 14px 52px;
    border-top: 1px solid var(--border-secondary);
    counter-increment: chapter;
}

.book-chapters li::before {
    position: absolute;
    top: 14px;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-primary);
    border-radius: 50%;
    color: var(--accent-primary-text);
    font-size: 0.875rem;
    font-weight: 600;
    content: counter(chapter);
}

.book-chapter-title {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
}

.book-rule {
    display: block;
    margin-top: 2px;
    font-size: 0.9375rem;
    font-style: italic;
}

.book-page .training-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.book-parts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.book-part {
    padding: 24px;
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-lg);
}

.training-section .book-part h3 {
    margin-top: 0;
    margin-bottom: 12px;
}

.book-part h3 i {
    margin-right: 6px;
    color: var(--accent-primary-text);
}

.book-part ul {
    margin: 0;
    padding-left: 1.25rem;
}

.book-part li {
    margin-bottom: 6px;
}

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

.book-closing {
    grid-template-columns: minmax(0, 3fr) minmax(0, 1fr);
}

.book-author-photo {
    margin: 0;
}

.book-author-photo img {
    display: block;
    width: 100%;
    max-width: 240px;
    height: auto;
    border-radius: var(--border-radius-lg);
}

.book-author-photo figcaption {
    margin-top: 6px;
    color: var(--text-muted);
    font-size: 0.75rem;
}

@media (max-width: 960px) {
    .book-closing,
    .book-argument {
        grid-template-columns: minmax(0, 1fr);
    }

    .book-argument {
        gap: 24px;
    }

    .book-cover {
        max-width: 240px;
    }
}

@media (max-width: 720px) {
    .book-chapters,
    .book-parts,
    .book-page .training-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}