/* ============================================================
 * HelpBoot Blog — design profissional, focado em leitura
 * Inspiração: Medium, Substack, Linear Blog
 * ============================================================ */

:root {
    --hb-bg: #ffffff;
    --hb-bg-soft: #f7f8fa;
    --hb-bg-warm: #fafafa;
    --hb-text: #0b1726;
    --hb-text-soft: #2c3e50;
    --hb-text-body: #1f2937;
    --hb-muted: #64748b;
    --hb-muted-soft: #94a3b8;
    --hb-border: #e5e8ec;
    --hb-border-soft: #eef0f3;
    --hb-primary: #2563eb;
    --hb-primary-dark: #1d4ed8;
    --hb-primary-soft: #eff6ff;
    --hb-accent: #7c3aed;
    --hb-radius: 12px;
    --hb-radius-sm: 8px;
    --hb-shadow-sm: 0 1px 2px rgba(15, 23, 42, .04);
    --hb-shadow: 0 4px 16px -2px rgba(15, 23, 42, .08), 0 2px 4px -1px rgba(15, 23, 42, .04);
    --hb-shadow-lg: 0 20px 50px -8px rgba(15, 23, 42, .12), 0 8px 16px -4px rgba(15, 23, 42, .06);
    --hb-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --hb-transition: .25s cubic-bezier(.4, 0, .2, 1);
    --hb-header-h: 64px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    margin: 0;
    padding: 0;
    font-family: var(--hb-font-sans);
    font-size: 16px;
    line-height: 1.65;
    color: var(--hb-text-body);
    background: var(--hb-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

.hb-container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

a {
    color: var(--hb-primary);
    text-decoration: none;
    transition: color var(--hb-transition);
}
a:hover { color: var(--hb-primary-dark); }
img { max-width: 100%; height: auto; }

/* ============================================================
 * BARRA DE PROGRESSO DE LEITURA
 * ============================================================ */
.hb-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--hb-primary), var(--hb-accent));
    z-index: 200;
    transition: width .1s linear;
    border-radius: 0 2px 2px 0;
}

/* ============================================================
 * SITE HEADER
 * ============================================================ */
.hb-site-header {
    background: rgba(255, 255, 255, .9);
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    border-bottom: 1px solid var(--hb-border-soft);
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--hb-header-h);
    transition: box-shadow var(--hb-transition);
}
.hb-site-header.is-scrolled {
    box-shadow: 0 2px 20px -4px rgba(15, 23, 42, .1);
}
.hb-site-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    height: 100%;
}

/* Logo */
.hb-site-brand {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    transition: opacity var(--hb-transition);
}
.hb-site-brand:hover { opacity: .8; }
.hb-site-brand img {
    height: 36px;
    width: auto;
    display: block;
}

/* Nav links */
.hb-site-nav {
    display: flex;
    align-items: center;
    gap: .25rem;
}
.hb-site-nav a {
    color: var(--hb-muted);
    font-weight: 500;
    font-size: .9rem;
    padding: .45rem .75rem;
    border-radius: var(--hb-radius-sm);
    transition: all var(--hb-transition);
}
.hb-site-nav a:hover {
    color: var(--hb-text);
    background: var(--hb-bg-soft);
}
.hb-site-nav a.is-active {
    color: var(--hb-primary);
    background: var(--hb-primary-soft);
}

/* Botão CTA no header */
.hb-nav-cta {
    display: inline-flex !important;
    align-items: center;
    gap: .4rem;
    background: linear-gradient(135deg, var(--hb-primary), var(--hb-accent)) !important;
    color: #fff !important;
    padding: .5rem 1.1rem !important;
    border-radius: var(--hb-radius-sm) !important;
    font-weight: 600 !important;
    font-size: .88rem !important;
    margin-left: .5rem;
    box-shadow: 0 2px 12px -2px rgba(37, 99, 235, .35);
    transition: all var(--hb-transition) !important;
}
.hb-nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px -4px rgba(37, 99, 235, .45) !important;
    opacity: 1 !important;
    background: linear-gradient(135deg, var(--hb-primary-dark), #6d28d9) !important;
    color: #fff !important;
}
.hb-nav-cta svg { flex-shrink: 0; }

/* Hamburguer */
.hb-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: 1px solid var(--hb-border);
    border-radius: var(--hb-radius-sm);
    cursor: pointer;
    padding: 8px;
    transition: all var(--hb-transition);
}
.hb-menu-toggle:hover { background: var(--hb-bg-soft); }
.hb-menu-toggle span {
    display: block;
    height: 2px;
    background: var(--hb-text);
    border-radius: 2px;
    transition: all var(--hb-transition);
    transform-origin: center;
}
.hb-menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hb-menu-toggle.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hb-menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
 * SITE FOOTER
 * ============================================================ */
.hb-site-footer {
    border-top: 1px solid var(--hb-border);
    margin-top: 5rem;
    padding: 4rem 0 2rem;
    background: var(--hb-bg-soft);
}
.hb-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2.5rem 3rem;
    margin-bottom: 3rem;
}
.hb-footer-brand p {
    color: var(--hb-muted);
    font-size: .9rem;
    line-height: 1.65;
    margin: 1rem 0 1.25rem;
    max-width: 260px;
}
.hb-footer-social {
    display: flex;
    gap: .5rem;
}
.hb-footer-social a {
    width: 34px;
    height: 34px;
    border-radius: var(--hb-radius-sm);
    background: #fff;
    border: 1px solid var(--hb-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--hb-muted);
    transition: all var(--hb-transition);
}
.hb-footer-social a:hover {
    color: var(--hb-primary);
    border-color: var(--hb-primary);
    background: var(--hb-primary-soft);
}
.hb-footer-col h4 {
    font-size: .78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--hb-text);
    margin: 0 0 1rem;
}
.hb-footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: .6rem;
}
.hb-footer-col ul a {
    color: var(--hb-muted);
    font-size: .88rem;
    transition: color var(--hb-transition);
}
.hb-footer-col ul a:hover { color: var(--hb-primary); }
.hb-footer-cta {
    display: inline-block;
    margin-top: 1.25rem;
    padding: .6rem 1.25rem;
    background: linear-gradient(135deg, var(--hb-primary), var(--hb-accent));
    color: #fff !important;
    font-size: .85rem;
    font-weight: 700;
    border-radius: var(--hb-radius-sm);
    box-shadow: 0 2px 12px -2px rgba(37, 99, 235, .3);
    transition: all var(--hb-transition);
}
.hb-footer-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px -4px rgba(37, 99, 235, .4);
}
.hb-footer-bottom {
    border-top: 1px solid var(--hb-border);
    padding-top: 1.5rem;
    text-align: center;
    color: var(--hb-muted-soft);
    font-size: .82rem;
}
.hb-footer-bottom p { margin: 0; }

/* ============================================================
 * LISTA DO BLOG — Hero + grid
 * ============================================================ */
.hb-blog { min-height: 60vh; }

.hb-blog-hero {
    padding: 5rem 0 3.5rem;
    text-align: center;
    background:
        radial-gradient(ellipse at 30% 0%, rgba(37, 99, 235, .07), transparent 55%),
        radial-gradient(ellipse at 70% 100%, rgba(124, 58, 237, .06), transparent 55%);
    border-bottom: 1px solid var(--hb-border-soft);
}
.hb-blog-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    color: var(--hb-primary);
    font-weight: 600;
    font-size: .78rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    padding: .45rem 1rem;
    background: var(--hb-primary-soft);
    border-radius: 999px;
    border: 1px solid rgba(37, 99, 235, .15);
}
.hb-blog-hero h1 {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    margin: 0 0 1.25rem;
    letter-spacing: -.03em;
    line-height: 1.1;
    color: var(--hb-text);
    font-weight: 800;
}
.hb-blog-hero p {
    color: var(--hb-muted);
    font-size: clamp(1rem, 2vw, 1.15rem);
    max-width: 580px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Filtros de categoria */
.hb-cat-nav {
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--hb-border-soft);
    padding: 1rem 0;
    overflow-x: auto;
    scrollbar-width: none;
}
.hb-cat-nav::-webkit-scrollbar { display: none; }
.hb-cat-nav .hb-container {
    display: flex;
    gap: .4rem;
    flex-wrap: nowrap;
}
.hb-cat-link {
    color: var(--hb-text-soft);
    padding: .5rem 1rem;
    border-radius: 999px;
    font-size: .85rem;
    font-weight: 500;
    background: var(--hb-bg-soft);
    border: 1px solid transparent;
    transition: all var(--hb-transition);
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    white-space: nowrap;
}
.hb-cat-link:hover {
    background: #fff;
    border-color: var(--hb-border);
    color: var(--hb-text);
}
.hb-cat-link.is-active {
    background: var(--hb-text);
    color: #fff;
    border-color: var(--hb-text);
}
.hb-cat-link span {
    background: rgba(0, 0, 0, .08);
    padding: .06rem .45rem;
    border-radius: 999px;
    font-size: .7rem;
    font-weight: 700;
}
.hb-cat-link.is-active span { background: rgba(255, 255, 255, .2); color: #fff; }

/* Grid de posts */
.hb-blog-list { padding: 3.5rem 0 5rem; }
.hb-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.hb-card {
    background: #fff;
    border-radius: var(--hb-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    color: inherit;
    text-decoration: none;
    border: 1px solid var(--hb-border-soft);
    transition: all var(--hb-transition);
}
.hb-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--hb-shadow-lg);
    border-color: transparent;
}
.hb-card-img {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #e0e7f3, #dde4f0);
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
    transition: transform var(--hb-transition);
}
.hb-card:hover .hb-card-img { transform: scale(1.04); }
.hb-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, .18));
    opacity: 0;
    transition: opacity var(--hb-transition);
}
.hb-card:hover .hb-card-img::after { opacity: 1; }
.hb-card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: .6rem;
}
.hb-card-body h3 {
    font-size: 1.1rem;
    line-height: 1.4;
    margin: 0;
    color: var(--hb-text);
    font-weight: 700;
    letter-spacing: -.015em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--hb-transition);
}
.hb-card:hover h3 { color: var(--hb-primary); }
.hb-card-body p {
    color: var(--hb-muted);
    font-size: .9rem;
    line-height: 1.65;
    margin: 0;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.hb-card-meta {
    color: var(--hb-muted-soft);
    font-size: .8rem;
    margin-top: .5rem;
    padding-top: .85rem;
    border-top: 1px solid var(--hb-border-soft);
    display: flex;
    align-items: center;
    gap: .4rem;
}

.hb-cat {
    display: inline-block;
    background: var(--hb-primary-soft);
    color: var(--hb-primary);
    padding: .28rem .7rem;
    border-radius: 6px;
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
}
.hb-cat-sm { font-size: .66rem; padding: .22rem .55rem; }

.hb-empty {
    text-align: center;
    padding: 5rem 1rem;
    color: var(--hb-muted);
    background: var(--hb-bg-soft);
    border-radius: var(--hb-radius);
}

/* Paginação */
.hb-pagination {
    display: flex;
    justify-content: center;
    gap: .5rem;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--hb-border-soft);
}
.hb-pagination a, .hb-pagination .hb-page-current {
    padding: .6rem 1rem;
    border-radius: var(--hb-radius-sm);
    font-size: .88rem;
    font-weight: 600;
    background: #fff;
    color: var(--hb-text-soft);
    border: 1px solid var(--hb-border);
    transition: all var(--hb-transition);
    min-width: 44px;
    text-align: center;
}
.hb-pagination a:hover { background: var(--hb-bg-soft); border-color: var(--hb-text-soft); }
.hb-pagination .hb-page-current {
    background: var(--hb-text);
    color: #fff;
    border-color: var(--hb-text);
}

/* ============================================================
 * POST INDIVIDUAL
 * ============================================================ */
.hb-post { padding: 2.5rem 0 0; }

.hb-breadcrumb {
    color: var(--hb-muted);
    font-size: .82rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: .4rem;
    flex-wrap: wrap;
}
.hb-breadcrumb a { color: var(--hb-muted); }
.hb-breadcrumb a:hover { color: var(--hb-primary); }
.hb-breadcrumb-sep { color: var(--hb-muted-soft); }

.hb-post-header {
    max-width: 780px;
    margin: 0 auto 3rem;
    text-align: center;
}
.hb-post-header .hb-cat { margin-bottom: 1.5rem; }
.hb-post-header h1 {
    font-size: clamp(2rem, 5vw, 3.25rem);
    line-height: 1.1;
    margin: 0 0 1.5rem;
    color: var(--hb-text);
    font-weight: 800;
    letter-spacing: -.03em;
}
.hb-lead {
    font-size: clamp(1.05rem, 2vw, 1.3rem);
    color: var(--hb-muted);
    line-height: 1.6;
    margin: 0 0 2rem;
    font-weight: 400;
}
.hb-meta {
    color: var(--hb-muted);
    font-size: .88rem;
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: .6rem;
    padding: 1.25rem 0;
    border-top: 1px solid var(--hb-border-soft);
    border-bottom: 1px solid var(--hb-border-soft);
    width: 100%;
}
.hb-meta strong { color: var(--hb-text-soft); font-weight: 600; }

/* Imagem hero do post */
.hb-post-hero {
    max-width: 1100px;
    margin: 0 auto 4rem;
    border-radius: var(--hb-radius);
    overflow: hidden;
    box-shadow: var(--hb-shadow-lg);
}
.hb-post-hero img {
    width: 100%;
    display: block;
    aspect-ratio: 16/9;
    object-fit: cover;
}

/* Conteúdo do post — tipografia premium */
.hb-post-content {
    max-width: 720px;
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.82;
    color: var(--hb-text-body);
}
.hb-post-content p { margin: 0 0 1.5rem; }
.hb-post-content h2 {
    font-size: 1.85rem;
    line-height: 1.25;
    margin: 3.5rem 0 1.25rem;
    color: var(--hb-text);
    font-weight: 800;
    letter-spacing: -.025em;
}
.hb-post-content h3 {
    font-size: 1.4rem;
    line-height: 1.35;
    margin: 2.75rem 0 1rem;
    color: var(--hb-text);
    font-weight: 700;
    letter-spacing: -.015em;
}
.hb-post-content h4 {
    font-size: 1.15rem;
    line-height: 1.4;
    margin: 2rem 0 .75rem;
    color: var(--hb-text);
    font-weight: 700;
}
.hb-post-content strong { color: var(--hb-text); font-weight: 700; }
.hb-post-content em { font-style: italic; }
.hb-post-content a {
    color: var(--hb-primary);
    text-decoration: underline;
    text-decoration-thickness: 1.5px;
    text-underline-offset: 3px;
    text-decoration-color: rgba(37, 99, 235, .3);
    transition: text-decoration-color var(--hb-transition);
}
.hb-post-content a:hover { text-decoration-color: var(--hb-primary); }
.hb-post-content ul, .hb-post-content ol { margin: 0 0 1.75rem; padding-left: 1.5rem; }
.hb-post-content li { margin-bottom: .65rem; }
.hb-post-content ul > li::marker { color: var(--hb-primary); }
.hb-post-content ol > li::marker { color: var(--hb-primary); font-weight: 700; }
.hb-post-content blockquote {
    margin: 2.5rem 0;
    padding: 1.75rem 2rem;
    background: linear-gradient(135deg, var(--hb-primary-soft), #f5f3ff);
    border-left: 4px solid var(--hb-primary);
    border-radius: 0 var(--hb-radius-sm) var(--hb-radius-sm) 0;
    color: var(--hb-text);
    font-size: 1.1rem;
    font-style: italic;
    line-height: 1.65;
}
.hb-post-content blockquote p { margin: 0; }
.hb-post-content code {
    background: var(--hb-bg-soft);
    padding: .18rem .5rem;
    border-radius: 5px;
    font-size: .88em;
    font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
    color: #be185d;
    border: 1px solid var(--hb-border-soft);
}
.hb-post-content pre {
    background: #0f172a;
    color: #e2e8f0;
    padding: 1.25rem 1.5rem;
    border-radius: var(--hb-radius-sm);
    overflow-x: auto;
    margin: 2rem 0;
    font-size: .9rem;
    line-height: 1.6;
}
.hb-post-content pre code {
    background: transparent;
    color: inherit;
    padding: 0;
    border: none;
    font-size: inherit;
}
.hb-post-content hr {
    border: none;
    margin: 3.5rem auto;
    max-width: 80px;
    height: 2px;
    background: var(--hb-border);
    border-radius: 2px;
}
.hb-post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: .93rem;
    background: #fff;
    border-radius: var(--hb-radius-sm);
    overflow: hidden;
    box-shadow: var(--hb-shadow-sm);
    border: 1px solid var(--hb-border);
}
.hb-post-content thead { background: var(--hb-bg-soft); }
.hb-post-content th {
    padding: .85rem 1rem;
    text-align: left;
    font-weight: 700;
    color: var(--hb-text);
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    border-bottom: 1px solid var(--hb-border);
}
.hb-post-content td {
    padding: .85rem 1rem;
    border-bottom: 1px solid var(--hb-border-soft);
    color: var(--hb-text-soft);
}
.hb-post-content tbody tr:last-child td { border-bottom: none; }
.hb-post-content tbody tr:hover td { background: var(--hb-bg-warm); }
.hb-post-content img {
    border-radius: var(--hb-radius-sm);
    margin: 2rem 0;
    box-shadow: var(--hb-shadow);
}

/* Tags */
.hb-tags {
    max-width: 720px;
    margin: 4rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid var(--hb-border-soft);
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}
.hb-tag {
    background: var(--hb-bg-soft);
    color: var(--hb-text-soft);
    padding: .4rem .9rem;
    border-radius: 999px;
    font-size: .8rem;
    font-weight: 500;
    border: 1px solid var(--hb-border-soft);
    transition: all var(--hb-transition);
}
.hb-tag:hover { background: var(--hb-text); color: #fff; border-color: var(--hb-text); }

/* Compartilhar */
.hb-share {
    max-width: 720px;
    margin: 2.5rem auto 0;
    padding: 2rem;
    background: var(--hb-bg-soft);
    border-radius: var(--hb-radius);
    border: 1px solid var(--hb-border-soft);
    text-align: center;
}
.hb-share-title {
    display: block;
    color: var(--hb-muted);
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 1.25rem;
}
.hb-share-buttons {
    display: flex;
    gap: .65rem;
    justify-content: center;
    flex-wrap: wrap;
}
.hb-share-buttons a {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .6rem 1.2rem;
    background: #fff;
    color: var(--hb-text-soft);
    border: 1px solid var(--hb-border);
    border-radius: var(--hb-radius-sm);
    font-size: .88rem;
    font-weight: 600;
    transition: all var(--hb-transition);
    text-decoration: none;
}
.hb-share-buttons a:hover { transform: translateY(-2px); box-shadow: var(--hb-shadow); }
.hb-share-buttons a.wa:hover { background: #25d366; color: #fff; border-color: #25d366; }
.hb-share-buttons a.li:hover { background: #0a66c2; color: #fff; border-color: #0a66c2; }
.hb-share-buttons a.tw:hover { background: #000; color: #fff; border-color: #000; }
.hb-share-buttons a.fb:hover { background: #1877f2; color: #fff; border-color: #1877f2; }

/* CTA final do post */
.hb-cta {
    max-width: 720px;
    margin: 3.5rem auto 0;
    padding: 2.75rem 2.5rem;
    background: linear-gradient(135deg, #0b1726 0%, #1e3a8a 100%);
    color: #fff;
    border-radius: var(--hb-radius);
    text-align: center;
    box-shadow: var(--hb-shadow-lg);
    position: relative;
    overflow: hidden;
}
.hb-cta::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(124, 58, 237, .25), transparent 70%);
    pointer-events: none;
}
.hb-cta h3 {
    font-size: 1.5rem;
    margin: 0 0 .75rem;
    color: #fff;
    font-weight: 800;
    letter-spacing: -.02em;
    position: relative;
}
.hb-cta p {
    color: rgba(255, 255, 255, .8);
    margin: 0 0 1.75rem;
    font-size: 1rem;
    position: relative;
}
.hb-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .9rem 2rem;
    background: #fff;
    color: var(--hb-text) !important;
    font-weight: 700;
    border-radius: var(--hb-radius-sm);
    font-size: .95rem;
    transition: all var(--hb-transition);
    position: relative;
    text-decoration: none;
}
.hb-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px -8px rgba(0, 0, 0, .35);
    color: var(--hb-primary) !important;
}

/* Posts relacionados */
.hb-related {
    margin-top: 5rem;
    padding: 4rem 0;
    background: var(--hb-bg-soft);
    border-top: 1px solid var(--hb-border-soft);
}
.hb-related-title {
    text-align: center;
    margin: 0 0 .5rem;
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--hb-text);
    font-weight: 800;
    letter-spacing: -.025em;
}
.hb-related-sub {
    text-align: center;
    color: var(--hb-muted);
    margin: 0 0 3rem;
    font-size: .95rem;
}

/* ============================================================
 * RESPONSIVO
 * ============================================================ */
@media (max-width: 900px) {
    .hb-footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .hb-footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
    :root { --hb-header-h: 58px; }
    .hb-container { padding: 0 1.1rem; }

    /* Header mobile */
    .hb-site-nav {
        display: none;
        position: absolute;
        top: var(--hb-header-h);
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--hb-border);
        flex-direction: column;
        padding: 1rem;
        gap: .25rem;
        box-shadow: var(--hb-shadow);
    }
    .hb-site-nav.is-open { display: flex; }
    .hb-site-nav a {
        width: 100%;
        padding: .75rem 1rem;
        font-size: .95rem;
    }
    .hb-nav-cta { margin-left: 0 !important; text-align: center; justify-content: center; }
    .hb-menu-toggle { display: flex; }
    .hb-site-header { position: sticky; }

    /* Blog hero */
    .hb-blog-hero { padding: 3.5rem 0 2.5rem; }
    .hb-blog-list { padding: 2.5rem 0 3.5rem; }
    .hb-grid { gap: 1.25rem; grid-template-columns: 1fr; }

    /* Post */
    .hb-post { padding: 1.5rem 0 0; }
    .hb-post-header { margin-bottom: 2rem; }
    .hb-post-hero { margin-bottom: 2.5rem; border-radius: var(--hb-radius-sm); }
    .hb-post-content { font-size: 1.05rem; line-height: 1.78; }
    .hb-post-content h2 { font-size: 1.55rem; margin: 2.5rem 0 1rem; }
    .hb-post-content h3 { font-size: 1.2rem; margin: 2rem 0 .75rem; }
    .hb-post-content blockquote { margin: 2rem 0; padding: 1.25rem 1.25rem; font-size: 1.05rem; }
    .hb-share { padding: 1.5rem 1rem; }
    .hb-cta { padding: 2rem 1.25rem; }
    .hb-related { margin-top: 3.5rem; padding: 3rem 0; }

    /* Footer */
    .hb-footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .hb-footer-brand { grid-column: auto; }
    .hb-site-footer { margin-top: 3rem; padding: 3rem 0 1.5rem; }
}

@media (max-width: 480px) {
    .hb-blog-hero h1 { font-size: 2rem; }
    .hb-post-header h1 { font-size: 1.9rem; }
    .hb-share-buttons { gap: .5rem; }
    .hb-share-buttons a { padding: .55rem .9rem; font-size: .82rem; }
}