/* ============================================================
   TelBuddy Blog styles — self-contained, no Tailwind dependency
   (final.css is a static purged build). Theme: indigo + slate.
   ============================================================ */

.blog-wrap {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- Breadcrumbs ---------- */
.blog-crumbs {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: #94a3b8;
    margin-bottom: 20px;
}
.blog-crumbs a { color: #6366f1; text-decoration: none; }
.blog-crumbs a:hover { text-decoration: underline; }
.blog-crumbs span { margin: 0 6px; }
.blog-crumbs__current { color: #64748b; }

/* ---------- Tags ---------- */
.blog-tag {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    background: #eef2ff;
    color: #4338ca;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-right: 6px;
}

/* ============================================================
   INDEX / LISTING
   ============================================================ */
.blog-index { padding: 56px 0 96px; background: #f8fafc; }

.blog-index__head { max-width: 760px; margin: 0 auto 44px; }
.blog-index__eyebrow {
    display: block;
    color: #4f46e5;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: .18em;
    font-size: 12px;
    margin-bottom: 12px;
}
.blog-index__title {
    font-size: clamp(2.2rem, 5vw, 3.25rem);
    font-weight: 900;
    letter-spacing: -.02em;
    color: #0f172a;
    line-height: 1.05;
    margin: 0 0 16px;
}
.blog-index__intro {
    font-size: 1.15rem;
    line-height: 1.6;
    color: #475569;
    margin: 0;
}

.blog-grid {
    max-width: 760px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.blog-card {
    display: block;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 20px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 8px 24px rgba(15, 23, 42, .05);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.blog-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 44px rgba(15, 23, 42, .12);
    border-color: #c7d2fe;
}
.blog-card__img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    background: #eef2ff;
}
.blog-card__body { padding: 22px 24px 26px; }
.blog-card__title {
    font-size: 1.35rem;
    font-weight: 800;
    color: #0f172a;
    line-height: 1.25;
    margin: 12px 0 10px;
}
.blog-card__excerpt {
    color: #475569;
    font-size: .96rem;
    line-height: 1.6;
    margin: 0 0 16px;
}
.blog-card__meta {
    font-size: .8rem;
    color: #94a3b8;
    font-weight: 600;
}
.blog-card__meta span { margin: 0 6px; }
.blog-card__more {
    display: inline-block;
    margin-top: 4px;
    color: #4f46e5;
    font-weight: 800;
    font-size: .9rem;
}

@media (min-width: 720px) {
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   SINGLE POST
   ============================================================ */
.blog-post__hero {
    background: #f8fafc;
    padding: 48px 0 28px;
    border-bottom: 1px solid #eef2f7;
}
.blog-post__tags { margin-bottom: 16px; }
.blog-post__title {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 900;
    letter-spacing: -.02em;
    line-height: 1.1;
    color: #0f172a;
    margin: 0 0 18px;
}
.blog-post__meta {
    font-size: .9rem;
    color: #64748b;
    font-weight: 600;
}
.blog-post__meta span { margin: 0 6px; }
.blog-post__img {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    display: block;
    margin: 34px auto 0;
    box-shadow: 0 20px 50px rgba(15, 23, 42, .12);
}

/* ---------- Prose (Markdown output) ---------- */
.tb-prose {
    margin: 40px auto 0;
    color: #334155;
    font-size: 1.12rem;
    line-height: 1.75;
}
.tb-prose > *:first-child { margin-top: 0; }
.tb-prose h2 {
    font-size: 1.7rem;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -.01em;
    line-height: 1.25;
    margin: 2.2em 0 .7em;
}
.tb-prose h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: #0f172a;
    margin: 1.8em 0 .6em;
}
.tb-prose p { margin: 0 0 1.25em; }
.tb-prose a {
    color: #4f46e5;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}
.tb-prose a:hover { color: #4338ca; }
.tb-prose strong { color: #0f172a; font-weight: 700; }
.tb-prose ul, .tb-prose ol { margin: 0 0 1.25em; padding-left: 1.4em; }
.tb-prose li { margin: .4em 0; }
.tb-prose ul li::marker { color: #6366f1; }
.tb-prose blockquote {
    margin: 1.6em 0;
    padding: 4px 20px;
    border-left: 4px solid #6366f1;
    background: #f5f3ff;
    color: #4338ca;
    border-radius: 0 12px 12px 0;
}
.tb-prose blockquote p { margin: .6em 0; }
.tb-prose code {
    background: #f1f5f9;
    color: #be123c;
    padding: 2px 6px;
    border-radius: 6px;
    font-size: .9em;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.tb-prose pre {
    background: #0f172a;
    color: #e2e8f0;
    padding: 18px 20px;
    border-radius: 14px;
    overflow-x: auto;
    margin: 1.6em 0;
    font-size: .92rem;
    line-height: 1.6;
}
.tb-prose pre code { background: none; color: inherit; padding: 0; }
.tb-prose hr { border: 0; border-top: 1px solid #e5e7eb; margin: 2.4em 0; }
.tb-prose img { max-width: 100%; height: auto; border-radius: 14px; margin: 1.4em 0; }
.tb-prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.6em 0;
    font-size: .98rem;
    display: block;
    overflow-x: auto;
}
.tb-prose th, .tb-prose td {
    border: 1px solid #e5e7eb;
    padding: 10px 14px;
    text-align: left;
}
.tb-prose th { background: #f8fafc; font-weight: 800; color: #0f172a; }

/* ---------- On-page FAQ ---------- */
.blog-faq { margin: 48px 0 0; }
.blog-faq > h2 {
    font-size: 1.6rem;
    font-weight: 800;
    color: #0f172a;
    margin: 0 0 18px;
}
.blog-faq__item {
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 14px 18px;
    margin-bottom: 12px;
    background: #fff;
}
.blog-faq__item summary {
    cursor: pointer;
    font-weight: 700;
    color: #0f172a;
    list-style: none;
}
.blog-faq__item summary::-webkit-details-marker { display: none; }
.blog-faq__item summary::before { content: "＋"; color: #6366f1; font-weight: 900; margin-right: 10px; }
.blog-faq__item[open] summary::before { content: "－"; }
.blog-faq__item p { margin: 12px 0 2px; color: #475569; line-height: 1.6; }

/* ---------- CTA ---------- */
.blog-cta {
    margin: 52px 0 0;
    padding: 34px;
    border-radius: 22px;
    background: linear-gradient(135deg, #111827, #2b3aa5);
    color: #fff;
    text-align: center;
}
.blog-cta h3 { font-size: 1.6rem; font-weight: 900; margin: 0 0 10px; }
.blog-cta p { color: #cbd5e1; margin: 0 auto 22px; max-width: 520px; line-height: 1.6; }
.blog-cta__buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.blog-btn {
    display: inline-block;
    padding: 13px 26px;
    border-radius: 14px;
    font-weight: 800;
    text-decoration: none;
    transition: background .2s ease;
}
.blog-btn--primary { background: #6366f1; color: #fff; }
.blog-btn--primary:hover { background: #4f46e5; }
.blog-btn--ghost { background: rgba(255, 255, 255, .08); color: #fff; border: 1px solid rgba(255, 255, 255, .18); }
.blog-btn--ghost:hover { background: rgba(255, 255, 255, .16); }

/* ---------- Author ---------- */
.blog-author {
    margin: 40px 0 8px;
    padding: 22px;
    border: 1px solid #e5e7eb;
    border-radius: 18px;
    display: flex;
    gap: 16px;
    align-items: center;
    background: #f8fafc;
}
.blog-author__avatar {
    flex: none;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1, #7c3aed);
    color: #fff;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: .04em;
}
.blog-author__name { font-weight: 800; color: #0f172a; }
.blog-author__bio { font-size: .9rem; color: #64748b; line-height: 1.5; margin-top: 2px; }

/* ---------- Related ---------- */
.blog-related { background: #f8fafc; border-top: 1px solid #eef2f7; padding: 56px 0 80px; margin-top: 64px; }
.blog-related__title { font-size: 1.5rem; font-weight: 800; color: #0f172a; margin: 0 0 24px; }
.blog-related__grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.blog-related .blog-card__title { font-size: 1.15rem; margin: 12px 0 8px; }
.blog-related .blog-card { padding: 22px 24px; }
@media (min-width: 720px) {
    .blog-related__grid { grid-template-columns: repeat(2, 1fr); }
}