/* ============================================================
   public-tutorials.css
   Tutorials list (/tutorials) and tutorial post (/tutorials/{slug}) pages.
   Relies on tokens declared in public-nav.css and public-services.css.
   No font imports -- public-nav.css already sets the stack.
   ============================================================ */

/* ============================================================
   Tutorial hero (list page)
   ============================================================ */
.tut-hero {
    padding: 80px 2rem 64px;
    background: var(--bg, #ffffff);
    text-align: center;
    border-bottom: 1px solid var(--border, rgba(0,0,0,0.08));
}

.tut-hero__container {
    max-width: 720px;
    margin: 0 auto;
}

.tut-hero__eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--sky, #0284c7);
    margin-bottom: 1rem;
}

.tut-hero__title {
    font-size: clamp(1.875rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.2;
    color: var(--color-text, #0f172a);
    margin: 0 0 1rem;
}

.tut-hero__subtitle {
    font-size: 1.0625rem;
    color: var(--color-text-secondary, #64748b);
    line-height: 1.7;
    margin: 0 auto;
    max-width: 600px;
}

/* ============================================================
   Tutorial list
   ============================================================ */
.tut-list {
    padding: 64px 2rem 96px;
    background: var(--bg-alt, #f8fafc);
}

.tut-list__container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
    gap: 1.5rem;
}

.tut-list__empty {
    font-size: 1rem;
    color: var(--color-text-muted, #94a3b8);
    text-align: center;
    padding: 3rem 0;
    grid-column: 1 / -1;
}

/* ============================================================
   Tutorial card
   ============================================================ */
.tut-card {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    padding: 1.75rem;
    background: var(--bg, #ffffff);
    border: 1px solid var(--border, rgba(0,0,0,0.08));
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.tut-card:hover {
    border-color: var(--sky, #0284c7);
    box-shadow: 0 6px 24px rgba(2,132,199,0.12);
    transform: translateY(-2px);
}

.tut-card:focus-visible {
    outline: 2px solid var(--color-primary, #0ea5e9);
    outline-offset: 3px;
    border-radius: 12px;
}

/* Meta row: time + difficulty */
.tut-card__meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.tut-card__time {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-muted, #94a3b8);
}

.tut-card__time svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

/* Difficulty pill -- shared base */
.tut-card__difficulty {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.tut-card__difficulty--Beginner {
    background: rgba(34, 197, 94, 0.12);
    color: #15803d;
}

.tut-card__difficulty--Intermediate {
    background: rgba(2, 132, 199, 0.1);
    color: var(--sky-d, #0369a1);
}

.tut-card__difficulty--Advanced {
    background: rgba(217, 119, 6, 0.12);
    color: #b45309;
}

/* Card title */
.tut-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.35;
    color: var(--color-text, #0f172a);
    margin: 0;
}

/* Card excerpt */
.tut-card__excerpt {
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--color-text-secondary, #64748b);
    margin: 0;
    flex: 1;
}

/* Tool pills */
.tut-card__tools {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.tut-card__tool {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary, #64748b);
    background: var(--bg-alt, #f8fafc);
    border: 1px solid var(--border, rgba(0,0,0,0.08));
}

/* CTA row */
.tut-card__more {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--sky, #0284c7);
    margin-top: auto;
    transition: gap 0.2s, color 0.2s;
}

.tut-card__more svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    transition: transform 0.2s;
}

.tut-card:hover .tut-card__more {
    color: var(--sky-d, #0369a1);
    gap: 0.625rem;
}

.tut-card:hover .tut-card__more svg {
    transform: translateX(3px);
}

/* ============================================================
   Tutorial post
   ============================================================ */
.tut-post {
    max-width: 760px;
    margin: 0 auto;
    padding: 64px 2rem 96px;
}

/* Post header */
.tut-post__header {
    margin-bottom: 2.75rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border, rgba(0,0,0,0.08));
}

.tut-post__eyebrow {
    margin-bottom: 1.25rem;
}

.tut-post__eyebrow a {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sky, #0284c7);
    text-decoration: none;
    transition: color 0.2s;
}

.tut-post__eyebrow a:hover {
    color: var(--sky-d, #0369a1);
}

.tut-post__eyebrow a:focus-visible {
    outline: 2px solid var(--color-primary, #0ea5e9);
    outline-offset: 2px;
    border-radius: 2px;
}

.tut-post__title {
    font-size: clamp(1.625rem, 3.5vw, 2.375rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.2;
    color: var(--color-text, #0f172a);
    margin: 0 0 1.25rem;
}

.tut-post__meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--color-text-muted, #94a3b8);
    flex-wrap: wrap;
}

.tut-post__meta-item strong {
    font-weight: 600;
    color: var(--color-text-secondary, #64748b);
}

/* ============================================================
   Video embed (16:9, hidden when absent)
   ============================================================ */
.tut-post__video {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 */
    margin-bottom: 2.75rem;
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg-code, #0f172a);
    box-shadow: 0 4px 20px rgba(0,0,0,0.14);
}

.tut-post__video iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ============================================================
   Post body typography
   ============================================================ */
.tut-post__body {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--color-text-secondary, #64748b);
}

/* Outcome callout block */
.tut-post__outcome {
    padding: 1rem 1.25rem;
    border-left: 3px solid var(--sky, #0284c7);
    background: rgba(2, 132, 199, 0.06);
    border-radius: 0 8px 8px 0;
    margin-bottom: 2rem;
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-text-secondary, #64748b);
}

.tut-post__outcome strong {
    font-weight: 700;
    color: var(--sky-d, #0369a1);
}

/* Headings */
.tut-post__body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.25;
    color: var(--color-text, #0f172a);
    margin: 3rem 0 1rem;
}

.tut-post__body h3 {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.3;
    color: var(--color-text, #0f172a);
    margin: 2.25rem 0 0.75rem;
}

/* Paragraphs */
.tut-post__body p {
    margin: 0 0 1.5rem;
}

/* Lists */
.tut-post__body ul,
.tut-post__body ol {
    margin: 0 0 1.5rem 1.5rem;
    padding: 0;
}

.tut-post__body ul {
    list-style: disc;
}

.tut-post__body ol {
    list-style: decimal;
}

.tut-post__body li {
    margin-bottom: 0.5rem;
    padding-left: 0.25rem;
}

/* Strong and emphasis */
.tut-post__body strong {
    font-weight: 600;
    color: var(--color-text, #0f172a);
}

.tut-post__body em {
    font-style: italic;
}

/* Links */
.tut-post__body a {
    color: var(--color-primary, #0ea5e9);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s;
}

.tut-post__body a:hover {
    border-bottom-color: currentColor;
}

.tut-post__body a:focus-visible {
    outline: 2px solid var(--color-primary, #0ea5e9);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Inline code */
.tut-post__body code {
    font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, monospace;
    font-size: 0.8125em;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--color-bg-secondary, #f1f5f9);
    color: var(--color-text, #0f172a);
    border: 1px solid var(--border, rgba(0,0,0,0.08));
    white-space: nowrap;
}

/* Code blocks -- dark background, horizontal scroll */
.tut-post__body pre {
    margin: 0 0 1.75rem;
    padding: 1.25rem 1.5rem;
    background: var(--bg-code, #0f172a);
    border-radius: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow: 0 2px 10px rgba(0,0,0,0.18);
}

.tut-post__body pre code {
    font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, monospace;
    font-size: 0.875rem;
    line-height: 1.65;
    color: #e2e8f0;
    background: none;
    border: none;
    padding: 0;
    white-space: pre;
    word-break: normal;
    overflow-wrap: normal;
}

/* ============================================================
   Post footer
   ============================================================ */
.tut-post__footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border, rgba(0,0,0,0.08));
}

.tut-post__back {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-secondary, #64748b);
    text-decoration: none;
    transition: color 0.2s;
}

.tut-post__back:hover {
    color: var(--sky, #0284c7);
}

.tut-post__back:focus-visible {
    outline: 2px solid var(--color-primary, #0ea5e9);
    outline-offset: 2px;
    border-radius: 2px;
}

/* ============================================================
   Difficulty chip colors (shared, used on both list + post)
   ============================================================ */
.tut-difficulty--Beginner {
    background: rgba(34, 197, 94, 0.12);
    color: #15803d;
}

.tut-difficulty--Intermediate {
    background: rgba(2, 132, 199, 0.1);
    color: var(--sky-d, #0369a1);
}

.tut-difficulty--Advanced {
    background: rgba(217, 119, 6, 0.12);
    color: #b45309;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
    .tut-list__container {
        grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
    }
}

@media (max-width: 768px) {
    .tut-hero {
        padding: 56px 1.5rem 48px;
    }

    .tut-list {
        padding: 48px 1.5rem 72px;
    }

    .tut-list__container {
        grid-template-columns: 1fr;
    }

    .tut-post {
        padding: 48px 1.5rem 72px;
    }

    .tut-post__body h2 {
        font-size: 1.3125rem;
        margin-top: 2.5rem;
    }

    .tut-post__body h3 {
        font-size: 1.0625rem;
    }

    .tut-post__body pre {
        padding: 1rem 1.125rem;
        border-radius: 6px;
    }
}

@media (max-width: 480px) {
    .tut-hero {
        padding: 40px 1rem 36px;
    }

    .tut-hero__subtitle {
        font-size: 0.9375rem;
    }

    .tut-list {
        padding: 32px 1rem 56px;
    }

    .tut-post {
        padding: 36px 1rem 56px;
    }

    .tut-card {
        padding: 1.375rem;
    }

    .tut-post__meta {
        gap: 0.625rem;
    }

    .tut-post__video {
        margin-bottom: 2rem;
    }
}