/* ============================================================
   MSX MINDS — ARTIGOS / CONTEÚDO ORGÂNICO
   Páginas leves, SEO e leitura confortável
   ============================================================ */

:root {
    --ar-bg: #0a0e16;
    --ar-panel: #111725;
    --ar-panel-2: #0d1320;
    --ar-cyan: #00f2fe;
    --ar-purple: #9b51e0;
    --ar-green: #25d366;
    --ar-text: #e6edf7;
    --ar-muted: #94a3b8;
    --ar-line: rgba(0, 242, 254, 0.14);
    --ar-radius: 16px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body.ar-body {
    font-family: 'Rajdhani', sans-serif;
    background:
        radial-gradient(circle at 10% -10%, rgba(0, 242, 254, 0.10), transparent 42%),
        radial-gradient(circle at 92% 6%, rgba(155, 81, 224, 0.12), transparent 40%),
        var(--ar-bg);
    color: var(--ar-text);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    line-height: 1.7;
}

body.ar-body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 242, 254, 0.022) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 242, 254, 0.022) 1px, transparent 1px);
    background-size: 56px 56px;
    pointer-events: none;
    z-index: 0;
}

/* ---------------- HEADER ---------------- */
.ar-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 22, 0.9);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--ar-line);
}

.ar-progress {
    position: absolute;
    left: 0;
    bottom: -1px;
    height: 2px;
    width: 0;
    background: linear-gradient(90deg, var(--ar-cyan), var(--ar-purple));
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.6);
    transition: width 0.1s linear;
}

.ar-header-inner {
    max-width: 1240px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.ar-logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    letter-spacing: 2px;
    color: #fff;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    white-space: nowrap;
}

.ar-logo-text { display: block; }
.ar-logo-text span { color: var(--ar-cyan); }
.ar-logo small {
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.52rem;
    letter-spacing: 1.6px;
    text-transform: uppercase;
    color: var(--ar-muted);
    margin-top: 3px;
}

.ar-nav {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-left: auto;
}

.ar-nav a {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.58rem;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: #b9c6d8;
    text-decoration: none;
    transition: color 0.2s ease;
}

.ar-nav a:hover,
.ar-nav a.active { color: var(--ar-cyan); }

.ar-nav-cta { display: none; }

.ar-header-cta {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.56rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #041016;
    background: linear-gradient(135deg, var(--ar-cyan), #2dd4bf);
    border-radius: 8px;
    padding: 11px 14px;
    text-decoration: none;
    font-weight: 700;
    white-space: nowrap;
    box-shadow: 0 8px 22px rgba(0, 242, 254, 0.18);
}

.ar-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-left: auto;
    border-radius: 9px;
    border: 1px solid var(--ar-line);
    background: rgba(0, 242, 254, 0.06);
    color: var(--ar-cyan);
    font-size: 1rem;
    cursor: pointer;
}

/* ---------------- LAYOUT ---------------- */
.ar-main {
    position: relative;
    z-index: 1;
    max-width: 860px;
    margin: 0 auto;
    padding: 118px 20px 40px;
}

.ar-breadcrumb {
    font-size: 0.8rem;
    color: var(--ar-muted);
    margin-bottom: 18px;
}

.ar-breadcrumb a {
    color: #8fd8ff;
    text-decoration: none;
}

.ar-breadcrumb a:hover { text-decoration: underline; }

.ar-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.55rem;
    letter-spacing: 1.6px;
    text-transform: uppercase;
    color: var(--ar-cyan);
    background: rgba(0, 242, 254, 0.07);
    border: 1px solid rgba(0, 242, 254, 0.24);
    border-radius: 999px;
    padding: 6px 12px;
    margin-bottom: 16px;
}

.ar-kicker.purple {
    color: #d8b4fe;
    background: rgba(155, 81, 224, 0.1);
    border-color: rgba(155, 81, 224, 0.3);
}

.ar-kicker.green {
    color: #8ff0b4;
    background: rgba(37, 211, 102, 0.08);
    border-color: rgba(37, 211, 102, 0.28);
}

.ar-main h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.7rem, 4vw, 2.6rem);
    line-height: 1.22;
    color: #fff;
    margin: 0 0 16px;
    letter-spacing: -0.5px;
}

.ar-main h1 em {
    font-style: normal;
    color: var(--ar-cyan);
}

.ar-sub {
    font-size: 1.05rem;
    color: #b9c8db;
    margin: 0 0 20px;
    max-width: 720px;
}

.ar-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 18px;
    font-size: 0.78rem;
    color: var(--ar-muted);
    padding-bottom: 22px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 26px;
}

.ar-meta span { display: inline-flex; align-items: center; gap: 6px; }
.ar-meta i { color: var(--ar-cyan); font-size: 0.72rem; }

.ar-cover {
    width: 100%;
    height: auto;
    border-radius: var(--ar-radius);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: block;
    margin: 0 0 28px;
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
}

/* ---------------- CONTEÚDO ---------------- */
.ar-content {
    font-size: 1rem;
    color: #cfdae8;
}

.ar-content p { margin: 0 0 18px; }

.ar-content h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.18rem;
    line-height: 1.35;
    color: #fff;
    margin: 38px 0 14px;
    padding-left: 14px;
    border-left: 3px solid var(--ar-cyan);
    scroll-margin-top: 110px;
}

.ar-content h3 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.06rem;
    color: #dff8ff;
    margin: 26px 0 10px;
}

.ar-content strong { color: #fff; }

.ar-content a {
    color: #7dd3fc;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.ar-content a:hover { color: var(--ar-cyan); }

.ar-content ul,
.ar-content ol {
    margin: 0 0 20px;
    padding-left: 22px;
}

.ar-content li { margin-bottom: 8px; }

.ar-content li::marker { color: var(--ar-cyan); }

.ar-content blockquote {
    margin: 24px 0;
    padding: 16px 20px;
    background: rgba(0, 242, 254, 0.05);
    border-left: 3px solid var(--ar-purple);
    border-radius: 0 10px 10px 0;
    color: #dbe7f5;
    font-size: 1rem;
}

.ar-content blockquote p { margin: 0; }

.ar-callout {
    margin: 24px 0;
    padding: 16px 18px;
    background: rgba(13, 20, 33, 0.85);
    border: 1px solid rgba(0, 242, 254, 0.18);
    border-left: 3px solid var(--ar-cyan);
    border-radius: 10px;
    font-size: 0.94rem;
    color: #c7d4e4;
}

.ar-callout strong { color: #fff; }
.ar-callout.warn { border-left-color: #fbbf24; }
.ar-callout.good { border-left-color: var(--ar-green); }

.ar-table-wrap {
    overflow-x: auto;
    margin: 22px 0;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    background: rgba(13, 20, 33, 0.7);
}

.ar-content table {
    width: 100%;
    border-collapse: collapse;
    min-width: 560px;
    font-size: 0.9rem;
}

.ar-content th,
.ar-content td {
    padding: 11px 13px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    vertical-align: top;
}

.ar-content th {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.56rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #7dd3fc;
    background: rgba(0, 242, 254, 0.05);
    white-space: nowrap;
}

.ar-content tr:last-child td { border-bottom: 0; }

/* ---------------- TOC ---------------- */
.ar-toc {
    background: rgba(13, 20, 33, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 18px 20px;
    margin: 0 0 28px;
}

.ar-toc h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.62rem;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    color: var(--ar-cyan);
    margin: 0 0 10px;
    border: 0;
    padding: 0;
}

.ar-toc ol {
    margin: 0;
    padding-left: 18px;
    columns: 2;
    column-gap: 24px;
    font-size: 0.88rem;
}

.ar-toc li { margin-bottom: 6px; break-inside: avoid; }
.ar-toc a { color: #b9c8db; text-decoration: none; }
.ar-toc a:hover { color: var(--ar-cyan); text-decoration: underline; }

/* ---------------- CTA / COMPARTILHAR ---------------- */
.ar-inline-cta {
    margin: 30px 0;
    padding: 22px;
    border-radius: 14px;
    background:
        radial-gradient(circle at 90% 0%, rgba(155, 81, 224, 0.18), transparent 55%),
        linear-gradient(150deg, #131b2b, #0c121d);
    border: 1px solid rgba(0, 242, 254, 0.22);
}

.ar-inline-cta h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.95rem;
    color: #fff;
    margin: 0 0 8px;
}

.ar-inline-cta p {
    margin: 0 0 14px;
    font-size: 0.92rem;
    color: #a9b7c9;
}

.ar-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.ar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.56rem;
    letter-spacing: 0.9px;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 9px;
    padding: 12px 16px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ar-btn:hover { transform: translateY(-2px); }

.ar-btn.primary {
    color: #041016;
    background: linear-gradient(135deg, var(--ar-cyan), #2dd4bf);
    box-shadow: 0 10px 24px rgba(0, 242, 254, 0.18);
}

.ar-btn.whatsapp {
    color: #04130a;
    background: linear-gradient(135deg, var(--ar-green), #4ade80);
    box-shadow: 0 10px 24px rgba(37, 211, 102, 0.18);
}

.ar-btn.ghost {
    color: #b9c8db;
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.14);
}

.ar-share {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin: 30px 0;
    padding: 16px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ar-share-label {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.56rem;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--ar-muted);
    margin-right: 4px;
}

.ar-share a,
.ar-share button {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 0.82rem;
    text-decoration: none;
    color: #dbe7f5;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    padding: 7px 13px;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.ar-share a:hover,
.ar-share button:hover {
    color: #fff;
    border-color: rgba(0, 242, 254, 0.5);
}

.ar-share .wa:hover { border-color: rgba(37, 211, 102, 0.6); color: #8ff0b4; }
.ar-share .li:hover { border-color: rgba(59, 130, 246, 0.6); color: #93c5fd; }

.ar-author {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin: 30px 0;
    padding: 18px;
    background: rgba(13, 20, 33, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 12px;
}

.ar-author-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ar-cyan);
    background: rgba(0, 242, 254, 0.08);
    border: 1px solid rgba(0, 242, 254, 0.2);
}

.ar-author strong { color: #fff; display: block; font-size: 0.95rem; }
.ar-author p { margin: 4px 0 0; font-size: 0.84rem; color: var(--ar-muted); }

/* ---------------- RELACIONADOS ---------------- */
.ar-related {
    margin: 44px 0 0;
}

.ar-related > h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.72rem;
    letter-spacing: 1.6px;
    text-transform: uppercase;
    color: var(--ar-cyan);
    margin: 0 0 16px;
}

.ar-related-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.ar-related-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px;
    border-radius: 12px;
    background: rgba(17, 23, 37, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.08);
    text-decoration: none;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.ar-related-card:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 242, 254, 0.35);
}

.ar-related-card span {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.5rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--ar-purple);
}

.ar-related-card h3 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.98rem;
    line-height: 1.35;
    color: #fff;
    margin: 0;
}

.ar-related-card p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--ar-muted);
}

/* ---------------- HUB ---------------- */
.ar-hub-hero {
    padding: 118px 20px 20px;
    max-width: 980px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.ar-hub-hero h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.7rem, 4vw, 2.4rem);
    color: #fff;
    margin: 0 0 14px;
}

.ar-hub-hero p {
    font-size: 1.02rem;
    color: #b9c8db;
    max-width: 720px;
    margin: 0;
}

.ar-hub {
    position: relative;
    z-index: 1;
    max-width: 1040px;
    margin: 0 auto;
    padding: 24px 20px 20px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.ar-hub-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: var(--ar-radius);
    background: linear-gradient(160deg, #161f30, #0c121d 70%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    text-decoration: none;
    transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.ar-hub-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 242, 254, 0.35);
    box-shadow: 0 20px 44px rgba(0, 0, 0, 0.4);
}

.ar-hub-card img {
    width: 100%;
    height: 170px;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.ar-hub-card-body {
    padding: 18px 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 9px;
    flex: 1;
}

.ar-hub-card-body span {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.5rem;
    letter-spacing: 1.1px;
    text-transform: uppercase;
    color: var(--ar-cyan);
}

.ar-hub-card-body h2 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.15rem;
    line-height: 1.35;
    color: #fff;
    margin: 0;
}

.ar-hub-card-body p {
    margin: 0;
    font-size: 0.86rem;
    color: var(--ar-muted);
}

.ar-hub-card-body .ar-read {
    margin-top: auto;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.52rem;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--ar-cyan);
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding-top: 8px;
}

.ar-hub-cta {
    position: relative;
    z-index: 1;
    max-width: 1040px;
    margin: 10px auto 0;
    padding: 0 20px;
}

/* ---------------- SEÇÃO NO BLOG ---------------- */
.ar-blog-section {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 46px 20px 8px;
}

.ar-blog-head {
    margin-bottom: 20px;
}

.ar-blog-head p {
    margin: 8px 0 0;
    color: #9fb0c5;
    font-size: 0.9rem;
}

.ar-blog-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.ar-blog-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px;
    border-radius: 13px;
    background: linear-gradient(160deg, #161f30, #0c121d 70%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    text-decoration: none;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.ar-blog-card:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 242, 254, 0.35);
}

.ar-blog-card img {
    width: 100%;
    height: 108px;
    object-fit: cover;
    border-radius: 8px;
    display: block;
}

.ar-blog-card span {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.48rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #00f2fe;
}

.ar-blog-card h3 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.98rem;
    line-height: 1.35;
    color: #fff;
    margin: 0;
}

.ar-blog-card strong {
    margin-top: auto;
    padding-top: 6px;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.5rem;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: #00f2fe;
    font-weight: 400;
}

.ar-blog-more {
    margin-top: 16px;
    text-align: right;
}

.ar-blog-more a {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.56rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #7dd3fc;
    text-decoration: none;
}

.ar-blog-more a:hover { color: #00f2fe; }

/* Compartilhar nos cards de vídeo do blog */
.card-share {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: 12px;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.5rem;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: #25d366;
    text-decoration: none;
    transition: color 0.2s ease, gap 0.2s ease;
}

.card-share:hover {
    color: #6ee7b7;
    gap: 11px;
}

.card-share i { font-size: 0.85rem; }

@media (max-width: 980px) {
    .ar-blog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
    .ar-blog-grid { grid-template-columns: 1fr; }
    .ar-blog-card img { height: 150px; }
}

/* ---------------- FOOTER ---------------- */
.ar-footer {
    position: relative;
    z-index: 1;
    margin-top: 50px;
    padding: 34px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    background: rgba(6, 10, 17, 0.6);
}

.ar-footer-inner {
    max-width: 1040px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 20px 30px;
    justify-content: space-between;
    align-items: center;
}

.ar-footer-brand { max-width: 340px; }

.ar-footer-brand .ar-logo { margin-bottom: 8px; }

.ar-footer-brand p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--ar-muted);
}

.ar-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    font-size: 0.8rem;
}

.ar-footer-links a {
    color: #b9c6d8;
    text-decoration: none;
}

.ar-footer-links a:hover { color: var(--ar-cyan); }

.ar-social {
    display: flex;
    gap: 8px;
}

.ar-social a {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 9px;
    color: #b9c6d8;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: color 0.2s ease, border-color 0.2s ease;
}

.ar-social a:hover { color: var(--ar-cyan); border-color: rgba(0, 242, 254, 0.4); }
.ar-social a.instagram:hover { color: #f472b6; border-color: rgba(244, 114, 182, 0.5); }
.ar-social a.youtube:hover { color: #f87171; border-color: rgba(248, 113, 113, 0.5); }
.ar-social a.facebook:hover { color: #93c5fd; border-color: rgba(147, 197, 253, 0.5); }

.ar-copy {
    width: 100%;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.72rem;
    color: #6f8097;
    text-align: center;
}

/* ---------------- RESPONSIVO ---------------- */
@media (max-width: 980px) {
    .ar-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 10px 20px 18px;
        background: #080c14;
        border-bottom: 1px solid var(--ar-line);
        box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
    }

    .ar-nav.open { display: flex; }

    .ar-nav a {
        width: 100%;
        padding: 10px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .ar-nav a.ar-nav-cta {
        display: block;
        margin-top: 12px;
        padding: 12px 14px;
        text-align: center;
        color: #041016;
        background: linear-gradient(135deg, var(--ar-cyan), #2dd4bf);
        border: 0;
        border-radius: 8px;
        font-weight: 700;
    }

    .ar-menu-toggle { display: inline-flex; }
    .ar-header-cta { display: none; }

    .ar-related-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
    .ar-main { padding: 106px 16px 30px; }
    .ar-hub-hero { padding: 106px 16px 16px; }
    .ar-hub { grid-template-columns: 1fr; padding: 18px 16px; }
    .ar-hub-card img { height: 150px; }
    .ar-main h1 { font-size: 1.55rem; }
    .ar-sub { font-size: 0.98rem; }
    .ar-toc ol { columns: 1; }
    .ar-related-grid { grid-template-columns: 1fr; }
    .ar-content h2 { font-size: 1.06rem; }
    .ar-actions .ar-btn { width: 100%; }
    .ar-footer-inner { flex-direction: column; align-items: flex-start; }
}