:root {
    --air-bg: #f4f7f7;
    --air-surface: #ffffff;
    --air-ink: #17242b;
    --air-muted: #64717a;
    --air-border: #dce4e5;
    --air-accent: #15766f;
    --air-accent-dark: #0e5d57;
    --air-soft: #e9f3f1;
    --air-radius-sm: 8px;
    --air-radius-lg: 20px;
    --air-shadow: 0 20px 55px rgba(23, 36, 43, 0.08);
}

html {
    scroll-behavior: smooth;
}

body.air-site {
    background: var(--air-bg);
    color: var(--air-ink);
    font-family: Pretendard, "Pretendard Variable", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Segoe UI", sans-serif;
    font-size: 17px;
    line-height: 1.75;
    text-rendering: optimizeLegibility;
}

.air-site a {
    color: var(--air-accent);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

.air-site a:hover {
    color: var(--air-accent-dark);
}

.air-site a:focus-visible,
.air-site button:focus-visible,
.air-site input:focus-visible {
    outline: 3px solid var(--air-accent);
    outline-offset: 3px;
}

.air-site .grid-container {
    max-width: 1180px;
}

.air-site .site-header {
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--air-border);
}

.air-site .inside-header {
    padding: 24px 28px;
}

.air-site .site-branding .main-title {
    font-size: clamp(1.25rem, 2vw, 1.55rem);
    font-weight: 800;
    letter-spacing: -0.045em;
}

.air-site .site-branding .main-title a {
    color: var(--air-ink);
    text-decoration: none;
}

.air-site .site-description {
    color: var(--air-muted);
    font-size: 0.82rem;
    margin-top: 3px;
}

.air-site .main-navigation {
    background: var(--air-surface);
}

.air-site .main-navigation .main-nav ul li a,
.air-site .menu-toggle {
    color: var(--air-ink);
    font-size: 0.9rem;
    font-weight: 700;
}

.air-site .main-navigation .main-nav ul li:hover > a,
.air-site .main-navigation .main-nav ul li:focus > a,
.air-site .main-navigation .main-nav ul li[class*="current-menu-"] > a {
    background: transparent;
    color: var(--air-accent);
}

.air-site .site-content {
    padding: 40px 28px 80px;
}

.air-site .content-area,
.air-site .site-main {
    min-width: 0;
}

.air-site .site-main > article {
    border-radius: var(--air-radius-lg);
    box-shadow: none;
}

.air-site h1,
.air-site h2,
.air-site h3 {
    color: var(--air-ink);
    font-weight: 800;
    letter-spacing: -0.045em;
    line-height: 1.28;
}

.air-site.single-post .entry-title,
.air-site.page .entry-title {
    font-size: clamp(2rem, 5vw, 3.25rem);
}

.air-site.single-post .entry-title {
    overflow-wrap: anywhere;
    text-wrap: balance;
    word-break: keep-all;
}

.air-site.single-post .site-main {
    margin-left: auto;
    margin-right: auto;
    max-width: 800px;
}

.air-site .entry-content h2 {
    font-size: clamp(1.55rem, 3vw, 2.15rem);
    margin-top: 2.4em;
}

.air-site .entry-content h3 {
    font-size: clamp(1.15rem, 2vw, 1.35rem);
}

.air-home-page .entry-header {
    display: none;
}

.air-home-page .site-content,
.air-hub-page .site-content {
    padding-top: 28px;
}

.air-home-page .site-main > article,
.air-hub-page .site-main > article {
    background: transparent;
    padding: 0;
}

.air-home-page .site-main > article > .inside-article,
.air-hub-page .site-main > article > .inside-article {
    background: transparent;
    padding: 0;
}

.air-home-page .entry-content,
.air-hub-page .entry-content {
    margin-top: 0;
}

.air-home,
.air-hub {
    width: 100%;
}

.air-eyebrow {
    color: var(--air-accent);
    font-size: 0.77rem;
    font-weight: 800;
    letter-spacing: 0.11em;
    margin: 0 0 14px;
    text-transform: uppercase;
}

.air-hero {
    align-items: stretch;
    display: grid;
    gap: 28px;
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
}

.air-hero-copy,
.air-score-preview {
    background: var(--air-surface);
    border: 1px solid var(--air-border);
    border-radius: var(--air-radius-lg);
}

.air-hero-copy {
    padding: clamp(34px, 6vw, 74px);
}

.air-hero-copy h1 {
    font-size: clamp(2.45rem, 6vw, 5.1rem);
    letter-spacing: -0.065em;
    margin: 0;
    max-width: 10ch;
}

.air-hero-lede {
    color: var(--air-muted);
    font-size: clamp(1rem, 1.8vw, 1.16rem);
    margin: 26px 0 0;
    max-width: 620px;
}

.air-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.air-button {
    align-items: center;
    border: 1px solid var(--air-accent);
    border-radius: var(--air-radius-sm);
    display: inline-flex;
    font-size: 0.9rem;
    font-weight: 800;
    justify-content: center;
    min-height: 48px;
    padding: 10px 18px;
    text-decoration: none;
    transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.air-button:hover {
    transform: translateY(-2px);
}

.air-site .air-button-primary,
.air-site .air-button-primary:hover,
.air-site .air-button-primary:focus {
    background: var(--air-accent);
    color: #ffffff;
}

.air-button-secondary {
    background: transparent;
    color: var(--air-accent);
}

.air-score-preview {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: clamp(28px, 4vw, 42px);
}

.air-score-status {
    background: var(--air-soft);
    border-radius: 999px;
    color: var(--air-accent-dark);
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 6px 11px;
}

.air-score-preview h2 {
    font-size: clamp(1.8rem, 3vw, 2.55rem);
    margin: 20px 0 8px;
}

.air-score-preview > p {
    color: var(--air-muted);
    margin: 0 0 22px;
}

.air-score-list {
    border-top: 1px solid var(--air-border);
    list-style: none;
    margin: 0;
    padding: 0;
}

.air-score-list li {
    align-items: center;
    border-bottom: 1px solid var(--air-border);
    display: flex;
    font-size: 0.9rem;
    font-weight: 700;
    justify-content: space-between;
    padding: 13px 0;
}

.air-score-list span:last-child {
    color: var(--air-muted);
    font-size: 0.78rem;
    font-weight: 600;
}

.air-search-wrap {
    background: var(--air-ink);
    border-radius: var(--air-radius-lg);
    color: #ffffff;
    margin-top: 28px;
    padding: clamp(26px, 4vw, 38px);
}

.air-search-wrap label {
    display: block;
    font-size: clamp(1.15rem, 2.2vw, 1.5rem);
    font-weight: 800;
    letter-spacing: -0.035em;
    margin-bottom: 14px;
}

.air-search-form {
    display: flex;
    gap: 10px;
}

.air-search-field {
    flex: 1;
    min-width: 0;
}

.air-search-form input[type="search"] {
    background: #ffffff;
    border: 0;
    border-radius: var(--air-radius-sm);
    color: var(--air-ink);
    flex: 1;
    font-size: 1rem;
    min-width: 0;
    padding: 13px 15px;
}

.air-search-form button {
    background: var(--air-accent);
    border: 0;
    border-radius: var(--air-radius-sm);
    color: #ffffff;
    cursor: pointer;
    font-weight: 800;
    padding: 12px 20px;
}

.air-section {
    margin-top: clamp(62px, 10vw, 110px);
}

.air-section-head {
    align-items: end;
    display: flex;
    gap: 24px;
    justify-content: space-between;
    margin-bottom: 26px;
}

.air-section-head h2 {
    font-size: clamp(1.8rem, 4vw, 3rem);
    margin: 0;
}

.air-section-head p {
    color: var(--air-muted);
    margin: 0;
    max-width: 500px;
}

.air-topic-list {
    background: var(--air-surface);
    border: 1px solid var(--air-border);
    border-radius: var(--air-radius-lg);
    overflow: hidden;
}

.air-topic-row {
    align-items: center;
    border-bottom: 1px solid var(--air-border);
    color: var(--air-ink);
    display: grid;
    gap: 20px;
    grid-template-columns: 52px minmax(0, 1fr) auto;
    padding: 24px 28px;
    text-decoration: none;
    transition: background-color 160ms ease, padding-left 160ms ease;
}

.air-topic-row:last-child {
    border-bottom: 0;
}

.air-topic-row:hover {
    background: var(--air-soft);
    color: var(--air-ink);
    padding-left: 34px;
}

.air-topic-number {
    color: var(--air-accent);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.air-topic-row strong {
    display: block;
    font-size: 1.08rem;
    letter-spacing: -0.025em;
}

.air-topic-row small {
    color: var(--air-muted);
    display: block;
    margin-top: 2px;
}

.air-topic-arrow {
    color: var(--air-muted);
    font-size: 1.2rem;
}

.air-launch-note {
    align-items: center;
    background: var(--air-soft);
    border-radius: var(--air-radius-lg);
    display: grid;
    gap: 28px;
    grid-template-columns: minmax(0, 1fr) auto;
    padding: clamp(30px, 5vw, 54px);
}

.air-launch-note h2 {
    margin: 0 0 10px;
}

.air-launch-note p {
    color: var(--air-muted);
    margin: 0;
    max-width: 720px;
}

.air-method-link {
    font-weight: 800;
    white-space: nowrap;
}

.air-hub-intro {
    background: var(--air-surface);
    border: 1px solid var(--air-border);
    border-radius: var(--air-radius-lg);
    margin-bottom: 28px;
    padding: clamp(28px, 5vw, 52px);
}

.air-hub-intro p:last-child {
    color: var(--air-muted);
    font-size: 1.05rem;
    margin-bottom: 0;
    max-width: 760px;
}

.air-empty-state {
    border: 1px dashed #bcc9ca;
    border-radius: var(--air-radius-lg);
    padding: clamp(30px, 5vw, 54px);
}

.air-empty-state h2 {
    font-size: clamp(1.35rem, 3vw, 1.85rem);
    margin: 0 0 10px;
}

.air-empty-state p {
    color: var(--air-muted);
    margin-bottom: 0;
}

.air-ranking-notice {
    background: var(--air-soft);
    border-left: 4px solid var(--air-accent);
    border-radius: 0 var(--air-radius-sm) var(--air-radius-sm) 0;
    margin-bottom: 28px;
    padding: 20px 24px;
}

.air-ranking-notice strong {
    display: block;
    font-size: 1.05rem;
    margin-bottom: 5px;
}

.air-ranking-notice p {
    color: var(--air-muted);
    margin: 0;
}

.air-ranking-section {
    margin-top: clamp(54px, 8vw, 86px);
}

.air-ranking-section-head {
    align-items: end;
    display: flex;
    gap: 24px;
    justify-content: space-between;
    margin-bottom: 24px;
}

.air-ranking-section-head h2,
.air-ranking-method h2,
.air-ranking-caveats h2 {
    font-size: clamp(1.55rem, 3vw, 2.2rem);
    margin: 0;
}

.air-ranking-section-head > p {
    color: var(--air-muted);
    margin: 0;
    max-width: 440px;
    text-align: right;
}

.air-ranking-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.air-ranking-card {
    background: var(--air-surface);
    border: 1px solid var(--air-border);
    border-radius: var(--air-radius-lg);
    display: flex;
    flex-direction: column;
    padding: clamp(24px, 3vw, 34px);
}

.air-ranking-card-top {
    border-color: rgba(21, 118, 111, 0.45);
    box-shadow: var(--air-shadow);
}

.air-ranking-card-head {
    align-items: center;
    display: flex;
    gap: 10px;
    justify-content: space-between;
}

.air-ranking-rank,
.air-ranking-confidence {
    border-radius: 999px;
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 6px 10px;
}

.air-ranking-rank {
    background: var(--air-accent);
    color: #ffffff;
}

.air-ranking-confidence {
    background: var(--air-soft);
    color: var(--air-accent-dark);
}

.air-ranking-confidence-low {
    background: #f1f2f2;
    color: var(--air-muted);
}

.air-ranking-card h3 {
    font-size: clamp(1.25rem, 2.2vw, 1.6rem);
    margin: 24px 0 0;
}

.air-ranking-score {
    align-items: baseline;
    display: flex;
    gap: 5px;
    margin: 12px 0 16px;
}

.air-ranking-score strong {
    color: var(--air-ink);
    font-size: clamp(3.4rem, 7vw, 5.2rem);
    letter-spacing: -0.07em;
    line-height: 1;
}

.air-ranking-score span {
    color: var(--air-muted);
    font-weight: 800;
}

.air-ranking-best {
    color: var(--air-ink);
    font-weight: 800;
    margin: 0 0 10px;
}

.air-ranking-note {
    color: var(--air-muted);
    font-size: 0.88rem;
    margin: auto 0 0;
}

.air-ranking-table-wrap {
    background: var(--air-surface);
    border: 1px solid var(--air-border);
    border-radius: var(--air-radius-lg);
    overflow-x: auto;
}

.air-ranking-table-wrap:focus-visible {
    outline: 3px solid var(--air-accent);
    outline-offset: 3px;
}

.air-ranking-table {
    border: 0;
    border-collapse: collapse;
    margin: 0;
    min-width: 720px;
    width: 100%;
}

.air-ranking-table th,
.air-ranking-table td {
    border: 0;
    border-bottom: 1px solid var(--air-border);
    padding: 18px 16px;
    text-align: center;
    vertical-align: middle;
}

.air-ranking-table thead th {
    background: var(--air-soft);
    color: var(--air-ink);
    font-size: 0.86rem;
}

.air-ranking-table thead small {
    color: var(--air-muted);
    font-weight: 600;
}

.air-ranking-table th:first-child {
    padding-left: 24px;
    text-align: left;
}

.air-ranking-table tbody tr:last-child th,
.air-ranking-table tbody tr:last-child td {
    border-bottom: 0;
}

.air-ranking-method {
    align-items: start;
    background: var(--air-ink);
    border-radius: var(--air-radius-lg);
    color: #ffffff;
    display: grid;
    gap: 34px;
    grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
    padding: clamp(30px, 5vw, 50px);
}

.air-ranking-method h2 {
    color: #ffffff;
}

.air-ranking-method .air-eyebrow {
    color: #84d0ca;
}

.air-ranking-method ol {
    display: grid;
    gap: 12px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.air-ranking-method li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
    display: grid;
    gap: 16px;
    grid-template-columns: minmax(150px, 0.65fr) minmax(0, 1.35fr);
    padding: 0 0 12px;
}

.air-ranking-method li:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.air-ranking-method li span {
    color: #c7d0d3;
}

.air-ranking-caveats {
    border: 1px dashed #bcc9ca;
    border-radius: var(--air-radius-lg);
    margin-top: 28px;
    padding: clamp(28px, 5vw, 44px);
}

.air-ranking-caveats ul {
    color: var(--air-muted);
    margin-bottom: 0;
    padding-left: 1.2em;
}

.air-article {
    color: var(--air-ink);
    margin: 0 auto;
    max-width: 800px;
    width: 100%;
}

.air-article-intro {
    border-bottom: 1px solid var(--air-border);
    margin-bottom: 30px;
    padding-bottom: 28px;
}

.air-article-intro > p:not(.air-eyebrow):not(.air-article-meta) {
    color: var(--air-ink);
    font-size: clamp(1.05rem, 1.8vw, 1.18rem);
    margin: 0;
}

.air-article-meta {
    color: var(--air-muted);
    font-size: 0.84rem;
    margin: 18px 0 0;
}

.air-article-notice,
.air-article-summary,
.air-article-tip,
.air-article-warning,
.air-article-price-note,
.air-article-limitations {
    border-radius: var(--air-radius-sm);
    margin: 28px 0;
    padding: clamp(20px, 4vw, 28px);
}

.air-article-notice,
.air-article-summary,
.air-article-tip {
    background: var(--air-soft);
    border-left: 4px solid var(--air-accent);
}

.air-article-notice > :last-child,
.air-article-summary > :last-child,
.air-article-tip > :last-child,
.air-article-warning > :last-child,
.air-article-price-note > :last-child,
.air-article-limitations > :last-child {
    margin-bottom: 0;
}

.air-article-summary h2 {
    font-size: clamp(1.35rem, 2.6vw, 1.8rem);
    margin: 0 0 14px;
}

.air-article-summary ul,
.air-article-limitations ul {
    margin-bottom: 0;
    padding-left: 1.2em;
}

.air-article-featured-image {
    margin: 36px 0;
}

.air-article-featured-image img {
    aspect-ratio: 1200 / 630;
    border-radius: var(--air-radius-lg);
    box-shadow: var(--air-shadow);
    display: block;
    height: auto;
    object-fit: cover;
    width: 100%;
}

.air-article-featured-image figcaption,
.air-article-caption {
    color: var(--air-muted);
    font-size: 0.8rem;
    line-height: 1.6;
}

.air-article-featured-image figcaption {
    margin-top: 10px;
    text-align: center;
}

.air-article-toc {
    background: var(--air-surface);
    border: 1px solid var(--air-border);
    border-radius: var(--air-radius-sm);
    margin: 34px 0 46px;
    padding: 22px 24px;
}

.air-article-toc > strong {
    display: block;
    margin-bottom: 10px;
}

.air-article-toc ol {
    display: grid;
    gap: 6px;
    margin: 0;
    padding-left: 1.35em;
}

.air-article-section {
    border-top: 1px solid var(--air-border);
    margin-top: 48px;
    padding-top: 42px;
    scroll-margin-top: 30px;
}

.air-article-section > .air-eyebrow {
    margin-bottom: 10px;
}

.air-article-section > h2 {
    margin: 0 0 20px;
}

.air-article-table-wrap {
    border: 1px solid var(--air-border);
    border-radius: var(--air-radius-sm);
    margin: 24px 0 14px;
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    -webkit-overflow-scrolling: touch;
}

.air-article-table-wrap:focus-visible {
    outline: 3px solid var(--air-accent);
    outline-offset: 3px;
}

.air-article-table {
    border-collapse: collapse;
    font-size: 0.88rem;
    line-height: 1.55;
    margin: 0;
    min-width: 680px;
    width: 100%;
}

.air-article-table th,
.air-article-table td {
    border-bottom: 1px solid var(--air-border);
    padding: 14px 16px;
    text-align: left;
    vertical-align: top;
}

.air-article-table thead th {
    background: var(--air-soft);
    color: var(--air-ink);
    font-weight: 800;
    white-space: nowrap;
}

.air-article-table tbody th {
    color: var(--air-ink);
    font-weight: 800;
}

.air-article-comparison .air-article-table tbody th {
    min-width: 130px;
}

.air-article-table tbody tr:last-child th,
.air-article-table tbody tr:last-child td {
    border-bottom: 0;
}

.air-article-tip {
    font-size: 0.94rem;
}

.air-article-warning {
    background: #fff7e8;
    border-left: 4px solid #b86b00;
}

.air-article-steps {
    counter-reset: air-article-step;
    display: grid;
    gap: 0;
    list-style: none;
    margin: 24px 0 0;
    padding: 0;
}

.air-article-steps li {
    border-bottom: 1px solid var(--air-border);
    counter-increment: air-article-step;
    display: grid;
    gap: 4px 18px;
    grid-template-columns: 34px minmax(0, 1fr);
    padding: 18px 0;
}

.air-article-steps li::before {
    align-items: center;
    background: var(--air-accent);
    border-radius: 50%;
    color: #ffffff;
    content: counter(air-article-step);
    display: inline-flex;
    font-size: 0.78rem;
    font-weight: 800;
    grid-row: 1 / span 2;
    height: 30px;
    justify-content: center;
    margin-top: 1px;
    width: 30px;
}

.air-article-steps li > span {
    color: var(--air-muted);
}

.air-article-price-note {
    background: var(--air-ink);
    color: #ffffff;
}

.air-article-price-note strong {
    color: #ffffff;
}

.air-article-price-note p {
    color: #dce4e5;
}

.air-article-limitations {
    background: var(--air-surface);
    border: 1px dashed #aebfc0;
}

.air-article-sources a {
    overflow-wrap: anywhere;
}

.air-article-sources h3 {
    margin-top: 28px;
}

.air-article details {
    border-bottom: 1px solid var(--air-border);
    padding: 16px 0;
}

.air-article details:first-of-type {
    border-top: 1px solid var(--air-border);
}

.air-article summary {
    color: var(--air-ink);
    cursor: pointer;
    font-weight: 800;
}

.air-article details[open] summary {
    color: var(--air-accent-dark);
}

.air-article details p {
    color: var(--air-muted);
    margin-bottom: 0;
}

.air-policy {
    margin: 0 auto;
    max-width: 800px;
}

.air-policy .air-notice {
    background: var(--air-soft);
    border-left: 4px solid var(--air-accent);
    border-radius: 0 var(--air-radius-sm) var(--air-radius-sm) 0;
    padding: 18px 22px;
}

.air-site .site-footer {
    background: var(--air-ink);
    color: #c7d0d3;
}

.air-site .site-info {
    background: transparent;
    font-size: 0.82rem;
    padding: 28px;
}

.air-site .site-info a {
    color: #ffffff;
}

.air-footer-separator {
    margin: 0 8px;
}

@media (max-width: 860px) {
    .air-hero {
        grid-template-columns: 1fr;
    }

    .air-hero-copy h1 {
        max-width: 12ch;
    }

    .air-score-preview {
        min-height: 0;
    }

    .air-section-head {
        align-items: start;
        flex-direction: column;
        gap: 8px;
    }

    .air-ranking-grid {
        grid-template-columns: 1fr;
    }

    .air-ranking-card {
        min-height: 0;
    }

    .air-ranking-method {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    body.air-site {
        font-size: 16px;
    }

    .air-site .inside-header,
    .air-site .site-content {
        padding-left: 18px;
        padding-right: 18px;
    }

    .air-site .site-description {
        display: none;
    }

    .air-home-page .site-content,
    .air-hub-page .site-content {
        padding-top: 18px;
    }

    .air-hero {
        gap: 16px;
    }

    .air-hero-copy,
    .air-score-preview {
        border-radius: 15px;
    }

    .air-hero-copy h1 {
        font-size: clamp(1.9rem, 9vw, 2.125rem);
    }

    .air-search-form {
        flex-direction: column;
    }

    .air-search-form button {
        min-height: 48px;
    }

    .air-topic-row {
        gap: 10px 14px;
        grid-template-columns: 36px minmax(0, 1fr);
        padding: 20px;
    }

    .air-topic-row:hover {
        padding-left: 24px;
    }

    .air-topic-arrow {
        display: none;
    }

    .air-launch-note {
        grid-template-columns: 1fr;
    }

    .air-ranking-section-head {
        align-items: start;
        flex-direction: column;
        gap: 8px;
    }

    .air-ranking-section-head > p {
        text-align: left;
    }

    .air-ranking-card {
        border-radius: 15px;
    }

    .air-ranking-method li {
        gap: 3px;
        grid-template-columns: 1fr;
    }

    .air-article-intro {
        margin-bottom: 24px;
        padding-bottom: 22px;
    }

    .air-article-notice,
    .air-article-summary,
    .air-article-tip,
    .air-article-warning,
    .air-article-price-note,
    .air-article-limitations {
        margin: 22px 0;
        padding: 20px;
    }

    .air-article-featured-image {
        margin: 28px 0;
    }

    .air-article-featured-image img {
        border-radius: 14px;
    }

    .air-article-toc {
        margin: 28px 0 38px;
        padding: 20px;
    }

    .air-article-section {
        margin-top: 40px;
        padding-top: 34px;
    }

    .air-article-table {
        font-size: 0.82rem;
        min-width: 640px;
    }

    .air-article-table th,
    .air-article-table td {
        padding: 12px 14px;
    }

    .air-article-steps li {
        gap: 4px 12px;
        grid-template-columns: 30px minmax(0, 1fr);
    }

    .air-article-steps li::before {
        height: 28px;
        width: 28px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .air-button,
    .air-topic-row {
        transition: none;
    }

    .air-button:hover {
        transform: none;
    }

    .air-topic-row:hover {
        padding-left: 28px;
    }
}

@media (max-width: 768px) and (prefers-reduced-motion: reduce) {
    .air-topic-row:hover {
        padding-left: 20px;
    }
}

/* Homepage concept A: evidence ledger. Scope every rule to the static front page. */
.air-home-page {
    --air-a-paper: #f6f4ee;
    --air-a-paper-deep: #e6eeea;
    --air-a-surface: #fbfaf6;
    --air-a-ink: #17282a;
    --air-a-muted: #5f6d69;
    --air-a-line: #c9d2cf;
    --air-a-accent: #2f776d;
    --air-a-accent-dark: #205d55;
    --air-a-soft: #dfeae6;
    --air-a-white: #ffffff;
    --air-a-shadow: 0 24px 70px rgba(23, 40, 42, 0.10);
    background: var(--air-a-paper);
}

.air-home-page .site-header,
.air-home-page .main-navigation {
    background: rgba(246, 244, 238, 0.97);
}

.air-home-page .site-header {
    border-bottom-color: var(--air-a-line);
}

.air-home-page .site-content {
    padding-bottom: 100px;
    padding-top: 46px;
}

.air-home-page .air-a-home,
.air-home-page .air-a-home *,
.air-home-page .air-a-home *::before,
.air-home-page .air-a-home *::after {
    box-sizing: border-box;
}

.air-home-page .air-a-home {
    color: var(--air-a-ink);
    width: 100%;
    word-break: keep-all;
}

.air-home-page .air-a-home a {
    color: inherit;
    text-decoration: none;
}

.air-home-page .air-a-home a:focus-visible {
    outline: 3px solid var(--air-a-accent);
    outline-offset: 4px;
}

.air-home-page .air-a-home img {
    display: block;
    height: auto;
    max-width: 100%;
}

.air-home-page .air-a-hero {
    background: var(--air-a-surface);
    border: 1px solid var(--air-a-line);
    box-shadow: var(--air-a-shadow);
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(310px, 0.85fr);
}

.air-home-page .air-a-hero-copy {
    border-right: 1px solid var(--air-a-line);
    padding: clamp(48px, 7vw, 86px) clamp(34px, 6vw, 68px);
}

.air-home-page .air-a-eyebrow,
.air-home-page .air-a-ledger-label {
    color: var(--air-a-accent);
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.11em;
    margin: 0 0 15px;
    text-transform: uppercase;
}

.air-home-page .air-a-hero h1 {
    color: var(--air-a-ink);
    font-size: clamp(3.35rem, 6.8vw, 5.9rem);
    font-weight: 900;
    letter-spacing: -0.078em;
    line-height: 0.98;
    margin: 0;
    max-width: 780px;
}

.air-home-page .air-a-hero h1 em {
    color: var(--air-a-accent);
    font-style: normal;
}

.air-home-page .air-a-hero-lede {
    color: var(--air-a-muted);
    font-size: clamp(1rem, 1.7vw, 1.13rem);
    margin: 29px 0 0;
    max-width: 680px;
}

.air-home-page .air-a-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 32px;
}

.air-home-page .air-a-button {
    align-items: center;
    border: 1px solid var(--air-a-ink);
    display: inline-flex;
    font-size: 0.82rem;
    font-weight: 900;
    justify-content: center;
    min-height: 48px;
    padding: 11px 17px;
    transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.air-home-page .air-a-button:hover {
    transform: translateY(-2px);
}

.air-home-page .air-a-home .air-a-button-primary {
    background: var(--air-a-ink);
    color: var(--air-a-white);
}

.air-home-page .air-a-home .air-a-button-primary:hover {
    background: var(--air-a-accent-dark);
    border-color: var(--air-a-accent-dark);
    color: var(--air-a-white);
}

.air-home-page .air-a-button-secondary:hover {
    background: var(--air-a-soft);
}

.air-home-page .air-a-score-ledger {
    background: var(--air-a-paper-deep);
    display: flex;
    flex-direction: column;
    padding: 34px;
}

.air-home-page .air-a-proof-stamp {
    align-self: flex-end;
    border: 2px solid var(--air-a-accent);
    color: var(--air-a-accent);
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
    font-size: 0.66rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    margin: 0;
    padding: 6px 9px;
    transform: rotate(2deg);
}

.air-home-page .air-a-score-ledger > div {
    margin-top: 48px;
}

.air-home-page .air-a-score-ledger h2 {
    color: var(--air-a-ink);
    font-size: clamp(1.7rem, 3vw, 2.3rem);
    letter-spacing: -0.05em;
    line-height: 1.18;
    margin: 0;
}

.air-home-page .air-a-ledger-intro {
    color: var(--air-a-muted);
    font-size: 0.82rem;
    margin: 14px 0 26px;
}

.air-home-page .air-a-score-list {
    margin: auto 0 0;
}

.air-home-page .air-a-score-list div {
    align-items: baseline;
    border-top: 1px solid #b8c8c2;
    display: grid;
    grid-template-columns: 1fr auto;
    padding: 13px 0;
}

.air-home-page .air-a-score-list dt {
    font-size: 0.79rem;
    font-weight: 800;
}

.air-home-page .air-a-score-list dd {
    font-size: 1.28rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    margin: 0;
}

.air-home-page .air-a-text-link {
    color: var(--air-a-accent-dark);
    display: inline-block;
    font-size: 0.76rem;
    font-weight: 900;
    margin-top: 21px;
}

.air-home-page .air-a-editorial-note {
    background: var(--air-a-surface);
    border: 1px solid var(--air-a-line);
    margin-top: 54px;
}

.air-home-page .air-a-editorial-note-head {
    align-items: end;
    display: grid;
    gap: 34px;
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
    padding: clamp(30px, 5vw, 48px);
}

.air-home-page .air-a-editorial-note-head h2 {
    color: var(--air-a-ink);
    font-size: clamp(2rem, 4.3vw, 3.5rem);
    letter-spacing: -0.06em;
    line-height: 1.08;
    margin: 0;
    max-width: 760px;
}

.air-home-page .air-a-editorial-note-meta {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.air-home-page .air-a-editorial-note-meta strong {
    font-size: 0.82rem;
}

.air-home-page .air-a-editorial-note-meta span {
    color: var(--air-a-muted);
    font-size: 0.75rem;
}

.air-home-page .air-a-editorial-note-meta b {
    align-self: flex-start;
    border: 1px solid var(--air-a-accent);
    color: var(--air-a-accent-dark);
    font-size: 0.66rem;
    letter-spacing: 0.04em;
    margin-top: 8px;
    padding: 5px 8px;
}

.air-home-page .air-a-decision-grid {
    border-top: 1px solid var(--air-a-line);
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.air-home-page .air-a-decision-card {
    border-bottom: 1px solid var(--air-a-line);
    border-right: 1px solid var(--air-a-line);
    display: flex;
    flex-direction: column;
    min-height: 310px;
    padding: clamp(25px, 4vw, 38px);
}

.air-home-page .air-a-decision-card:nth-child(2n) {
    border-right: 0;
}

.air-home-page .air-a-decision-card:nth-last-child(-n + 2) {
    border-bottom: 0;
}

.air-home-page .air-a-decision-card-principle {
    background: var(--air-a-paper-deep);
}

.air-home-page .air-a-decision-card-head {
    align-items: center;
    display: flex;
    gap: 12px;
    justify-content: space-between;
}

.air-home-page .air-a-decision-card-head span {
    color: var(--air-a-accent);
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.04em;
}

.air-home-page .air-a-decision-card-head b {
    color: var(--air-a-muted);
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
    font-size: 0.62rem;
    font-weight: 800;
}

.air-home-page .air-a-decision-card h3 {
    color: var(--air-a-ink);
    font-size: clamp(1.3rem, 2.4vw, 1.7rem);
    letter-spacing: -0.045em;
    line-height: 1.28;
    margin: 30px 0 14px;
}

.air-home-page .air-a-decision-card p {
    color: var(--air-a-muted);
    font-size: 0.86rem;
    margin: 0 0 24px;
}

.air-home-page .air-a-decision-card a {
    color: var(--air-a-accent-dark);
    font-size: 0.74rem;
    font-weight: 900;
    margin-top: auto;
}

.air-home-page .air-a-editorial-boundary {
    border-top: 1px solid var(--air-a-line);
    color: var(--air-a-muted);
    font-size: 0.74rem;
    margin: 0;
    padding: 18px clamp(25px, 4vw, 38px);
}

.air-home-page .air-a-work-section,
.air-home-page .air-a-guides-section {
    margin-top: 94px;
    scroll-margin-top: 28px;
}

.air-home-page .air-a-section-heading {
    align-items: end;
    display: grid;
    gap: 28px;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.65fr);
    margin-bottom: 26px;
}

.air-home-page .air-a-section-heading h2 {
    color: var(--air-a-ink);
    font-size: clamp(2rem, 4.4vw, 3.55rem);
    letter-spacing: -0.06em;
    line-height: 1.08;
    margin: 0;
}

.air-home-page .air-a-section-heading > p {
    color: var(--air-a-muted);
    font-size: 0.88rem;
    margin: 0;
}

.air-home-page .air-a-work-ledger {
    background: var(--air-a-surface);
    border: 1px solid var(--air-a-line);
}

.air-home-page .air-a-work-row {
    align-items: center;
    border-bottom: 1px solid var(--air-a-line);
    display: grid;
    gap: 24px;
    grid-template-columns: minmax(130px, 0.45fr) minmax(0, 1.25fr) auto;
    padding: 24px 28px;
    transition: background-color 160ms ease, padding-left 160ms ease;
}

.air-home-page .air-a-work-row:last-child {
    border-bottom: 0;
}

.air-home-page .air-a-work-row:hover {
    background: var(--air-a-paper-deep);
    padding-left: 34px;
}

.air-home-page .air-a-work-tag {
    color: var(--air-a-accent);
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.04em;
}

.air-home-page .air-a-work-row strong {
    display: block;
    font-size: 1.08rem;
    letter-spacing: -0.03em;
}

.air-home-page .air-a-work-row small {
    color: var(--air-a-muted);
    display: block;
    margin-top: 2px;
}

.air-home-page .air-a-row-action {
    font-size: 0.75rem;
    font-weight: 900;
    white-space: nowrap;
}

.air-home-page .air-a-featured-guides {
    background: var(--air-a-surface);
    border: 1px solid var(--air-a-line);
    display: grid;
    gap: 0;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.air-home-page .air-a-guide-card {
    border-right: 1px solid var(--air-a-line);
    min-width: 0;
}

.air-home-page .air-a-guide-card:last-child {
    border-right: 0;
}

.air-home-page .air-a-guide-card > a {
    display: block;
    height: 100%;
    padding: 18px 18px 26px;
}

.air-home-page .air-a-guide-card img {
    aspect-ratio: 1200 / 630;
    filter: saturate(0.82) contrast(0.96);
    object-fit: cover;
    transition: filter 180ms ease, transform 180ms ease;
}

.air-home-page .air-a-guide-card a:hover img {
    filter: saturate(1) contrast(1);
    transform: translateY(-3px);
}

.air-home-page .air-a-guide-kind {
    color: var(--air-a-accent);
    display: block;
    font-size: 0.7rem;
    font-weight: 900;
    letter-spacing: 0.06em;
    margin-top: 21px;
}

.air-home-page .air-a-guide-card h3 {
    color: var(--air-a-ink);
    font-size: 1.2rem;
    letter-spacing: -0.04em;
    line-height: 1.38;
    margin: 13px 0 24px;
}

.air-home-page .air-a-guide-read {
    color: var(--air-a-muted);
    font-size: 0.74rem;
    font-weight: 800;
}

.air-home-page .air-a-more-guides {
    background: var(--air-a-surface);
    border: 1px solid var(--air-a-line);
    border-top: 0;
}

.air-home-page .air-a-more-guides a {
    align-items: center;
    border-bottom: 1px solid var(--air-a-line);
    display: grid;
    gap: 24px;
    grid-template-columns: minmax(120px, 0.35fr) minmax(0, 1.4fr) auto;
    padding: 18px 24px;
}

.air-home-page .air-a-more-guides a:last-child {
    border-bottom: 0;
}

.air-home-page .air-a-more-guides a:hover {
    background: var(--air-a-paper-deep);
}

.air-home-page .air-a-more-guides span {
    color: var(--air-a-accent);
    font-size: 0.7rem;
    font-weight: 900;
}

.air-home-page .air-a-more-guides strong {
    font-size: 0.92rem;
    letter-spacing: -0.02em;
}

.air-home-page .air-a-more-guides b {
    font-size: 1rem;
}

.air-home-page .air-a-ranking-brief {
    align-items: center;
    background: var(--air-a-ink);
    color: var(--air-a-white);
    display: grid;
    gap: 30px;
    grid-template-columns: minmax(0, 1fr) auto;
    margin-top: 94px;
    padding: clamp(34px, 5vw, 56px);
}

.air-home-page .air-a-ranking-brief .air-a-eyebrow {
    color: #7dc5b9;
}

.air-home-page .air-a-ranking-brief h2 {
    color: var(--air-a-white);
    font-size: clamp(1.8rem, 3.6vw, 2.8rem);
    letter-spacing: -0.05em;
    line-height: 1.18;
    margin: 0;
}

.air-home-page .air-a-ranking-brief p:last-child {
    color: #c5d0ce;
    margin: 13px 0 0;
}

.air-home-page .air-a-home .air-a-button-inverse {
    border-color: var(--air-a-white);
    color: var(--air-a-white);
    white-space: nowrap;
}

.air-home-page .air-a-home .air-a-button-inverse:hover {
    background: var(--air-a-white);
    color: var(--air-a-ink);
}

.air-home-page .air-a-trust-strip {
    align-items: center;
    background: var(--air-a-surface);
    border: 1px solid var(--air-a-line);
    border-top: 0;
    display: grid;
    gap: 28px;
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 23px 28px;
}

.air-home-page .air-a-trust-strip p {
    color: var(--air-a-muted);
    font-size: 0.78rem;
    margin: 0;
}

.air-home-page .air-a-trust-strip strong {
    color: var(--air-a-ink);
}

.air-home-page .air-a-trust-strip nav {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.air-home-page .air-a-trust-strip a {
    font-size: 0.72rem;
    font-weight: 800;
    text-decoration: underline;
    text-underline-offset: 3px;
}

@media (max-width: 900px) {
    .air-home-page .air-a-hero {
        grid-template-columns: 1fr;
    }

    .air-home-page .air-a-hero-copy {
        border-bottom: 1px solid var(--air-a-line);
        border-right: 0;
    }

    .air-home-page .air-a-score-ledger {
        min-height: 400px;
    }

    .air-home-page .air-a-editorial-note-head {
        align-items: start;
        grid-template-columns: 1fr;
    }

    .air-home-page .air-a-featured-guides {
        grid-template-columns: 1fr 1fr;
    }

    .air-home-page .air-a-guide-card:nth-child(2) {
        border-right: 0;
    }

    .air-home-page .air-a-guide-card:nth-child(3) {
        border-right: 0;
        border-top: 1px solid var(--air-a-line);
        grid-column: 1 / -1;
    }
}

@media (max-width: 620px) {
    .air-home-page .site-content {
        padding: 22px 16px 64px;
    }

    .air-home-page .air-a-hero {
        box-shadow: 0 16px 40px rgba(23, 40, 42, 0.08);
    }

    .air-home-page .air-a-hero-copy {
        padding: 42px 22px;
    }

    .air-home-page .air-a-hero h1 {
        font-size: clamp(2.8rem, 14vw, 3.55rem);
    }

    .air-home-page .air-a-hero-lede {
        font-size: 0.95rem;
    }

    .air-home-page .air-a-hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .air-home-page .air-a-button {
        width: 100%;
    }

    .air-home-page .air-a-score-ledger {
        min-height: 440px;
        padding: 25px 22px;
    }

    .air-home-page .air-a-editorial-note {
        margin-top: 34px;
    }

    .air-home-page .air-a-editorial-note-head {
        gap: 20px;
        padding: 31px 22px;
    }

    .air-home-page .air-a-editorial-note-head h2,
    .air-home-page .air-a-section-heading h2 {
        font-size: 2.25rem;
    }

    .air-home-page .air-a-decision-grid {
        grid-template-columns: 1fr;
    }

    .air-home-page .air-a-decision-card,
    .air-home-page .air-a-decision-card:nth-child(2n),
    .air-home-page .air-a-decision-card:nth-last-child(-n + 2) {
        border-bottom: 1px solid var(--air-a-line);
        border-right: 0;
        min-height: 290px;
        padding: 27px 22px;
    }

    .air-home-page .air-a-decision-card:last-child {
        border-bottom: 0;
    }

    .air-home-page .air-a-work-section,
    .air-home-page .air-a-guides-section,
    .air-home-page .air-a-ranking-brief {
        margin-top: 68px;
    }

    .air-home-page .air-a-section-heading {
        align-items: start;
        gap: 14px;
        grid-template-columns: 1fr;
    }

    .air-home-page .air-a-work-row {
        align-items: start;
        gap: 7px;
        grid-template-columns: 1fr;
        padding: 21px 20px;
    }

    .air-home-page .air-a-work-row:hover {
        padding-left: 20px;
    }

    .air-home-page .air-a-row-action {
        margin-top: 8px;
    }

    .air-home-page .air-a-featured-guides {
        grid-template-columns: 1fr;
    }

    .air-home-page .air-a-guide-card,
    .air-home-page .air-a-guide-card:nth-child(2) {
        border-bottom: 1px solid var(--air-a-line);
        border-right: 0;
    }

    .air-home-page .air-a-guide-card:nth-child(3) {
        border-bottom: 0;
        border-top: 0;
        grid-column: auto;
    }

    .air-home-page .air-a-more-guides a {
        align-items: start;
        gap: 7px;
        grid-template-columns: 1fr auto;
        padding: 18px 20px;
    }

    .air-home-page .air-a-more-guides span {
        grid-column: 1 / -1;
    }

    .air-home-page .air-a-ranking-brief,
    .air-home-page .air-a-trust-strip {
        align-items: start;
        grid-template-columns: 1fr;
    }

    .air-home-page .air-a-ranking-brief {
        padding: 34px 22px;
    }

    .air-home-page .air-a-trust-strip {
        padding: 22px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .air-home-page .air-a-button,
    .air-home-page .air-a-work-row,
    .air-home-page .air-a-guide-card img {
        transition: none;
    }

    .air-home-page .air-a-button:hover,
    .air-home-page .air-a-guide-card a:hover img {
        transform: none;
    }

    .air-home-page .air-a-work-row:hover {
        padding-left: 28px;
    }
}

@media (max-width: 620px) and (prefers-reduced-motion: reduce) {
    .air-home-page .air-a-work-row:hover {
        padding-left: 20px;
    }
}

/* Homepage concept B: condensed evidence guide. Activate only when the B root is present. */
body.air-site.air-home-page:has(.air-b-home) {
    --air-b-canvas: #f7f6f2;
    --air-b-surface: #ffffff;
    --air-b-ink: #18211e;
    --air-b-muted: #66706c;
    --air-b-line: #d9ded9;
    --air-b-accent: #2e6a5f;
    --air-b-accent-soft: rgba(46, 106, 95, 0.07);
    --air-b-font-display: system-ui, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", sans-serif;
    --air-b-font-body: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", sans-serif;
    --air-b-font-data: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
    --air-b-page-gutter: 24px;
    background: var(--air-b-canvas);
    color: var(--air-b-ink);
    font-family: var(--air-b-font-body);
    word-break: keep-all;
}

body.air-site.air-home-page:has(.air-b-home) .site-header,
body.air-site.air-home-page:has(.air-b-home) .main-navigation {
    background: rgba(247, 246, 242, 0.96);
}

body.air-site.air-home-page:has(.air-b-home) .site-header {
    border-bottom-color: var(--air-b-line);
}

body.air-site.air-home-page:has(.air-b-home) .site-content {
    padding: 0 var(--air-b-page-gutter) 64px;
}

.air-home-page .air-b-home,
.air-home-page .air-b-home *,
.air-home-page .air-b-home *::before,
.air-home-page .air-b-home *::after {
    box-sizing: border-box;
}

.air-home-page .air-b-home {
    --air-b-canvas: #f7f6f2;
    --air-b-surface: #ffffff;
    --air-b-ink: #18211e;
    --air-b-muted: #66706c;
    --air-b-line: #d9ded9;
    --air-b-accent: #2e6a5f;
    --air-b-accent-soft: rgba(46, 106, 95, 0.07);
    --air-b-font-display: system-ui, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", sans-serif;
    --air-b-font-body: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", sans-serif;
    --air-b-font-data: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
    width: min(100%, 1080px);
    margin-right: auto;
    margin-left: auto;
    color: var(--air-b-ink);
    font-family: var(--air-b-font-body);
    font-size: 17px;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
    word-break: keep-all;
}

.air-home-page .air-b-home a {
    color: inherit;
    text-decoration: none;
}

.air-home-page .air-b-home a:focus-visible {
    outline: 3px solid var(--air-b-accent);
    outline-offset: 4px;
}

.air-home-page .air-b-home br {
    display: none;
}

.air-home-page .air-b-home #air-b-home-title > br {
    display: inline;
}

.air-home-page .air-b-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
    gap: 56px 80px;
    padding: clamp(74px, 10vw, 118px) 0 0;
}

.air-home-page .air-b-hero-copy {
    align-self: end;
}

.air-home-page .air-b-eyebrow,
.air-home-page .air-b-utility-label {
    margin: 0 0 15px;
    color: var(--air-b-accent);
    font-family: var(--air-b-font-data);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.air-home-page .air-b-hero h1 {
    max-width: 760px;
    margin: 0;
    color: var(--air-b-ink);
    font-family: var(--air-b-font-display);
    font-size: clamp(3.85rem, 7.2vw, 5.2rem);
    font-weight: 800;
    letter-spacing: -0.068em;
    line-height: 1.02;
}

.air-home-page .air-b-hero h1 span {
    color: var(--air-b-accent);
}

.air-home-page .air-b-hero-intro {
    align-self: end;
    padding-bottom: 4px;
}

.air-home-page .air-b-hero-intro > p {
    max-width: 440px;
    margin: 0;
    color: var(--air-b-muted);
    font-size: 1rem;
}

.air-home-page .air-b-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}

.air-home-page .air-b-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 10px 16px;
    border: 1px solid var(--air-b-ink);
    font-family: var(--air-b-font-body);
    font-size: 0.8rem;
    font-weight: 800;
    line-height: 1.35;
    transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.air-home-page .air-b-button:hover {
    transform: translateY(-2px);
}

.air-home-page .air-b-home .air-b-button-primary {
    background: var(--air-b-ink);
    color: var(--air-b-surface);
}

.air-home-page .air-b-home .air-b-button-primary:hover {
    border-color: var(--air-b-accent);
    background: var(--air-b-accent);
    color: var(--air-b-surface);
}

.air-home-page .air-b-button-secondary:hover {
    background: var(--air-b-surface);
}

.air-home-page .air-b-evidence-strip {
    grid-column: 1 / -1;
    padding: 21px 0 24px;
    border-top: 1px solid var(--air-b-line);
    border-bottom: 1px solid var(--air-b-line);
}

.air-home-page .air-b-evidence-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
}

.air-home-page .air-b-evidence-head .air-b-utility-label {
    margin-bottom: 3px;
}

.air-home-page .air-b-evidence-head h2 {
    margin: 0;
    color: var(--air-b-ink);
    font-family: var(--air-b-font-display);
    font-size: 0.92rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.air-home-page .air-b-evidence-head > a,
.air-home-page .air-b-text-link {
    color: var(--air-b-accent);
    font-size: 0.76rem;
    font-weight: 800;
}

.air-home-page .air-b-evidence-bar {
    display: grid;
    grid-template-columns: 70fr 20fr 10fr;
    gap: 2px;
    height: 4px;
    margin-top: 18px;
    overflow: hidden;
    background: var(--air-b-line);
}

.air-home-page .air-b-evidence-bar span {
    display: block;
}

.air-home-page .air-b-evidence-bar-benchmark {
    background: var(--air-b-accent);
}

.air-home-page .air-b-evidence-bar-value {
    background: rgba(46, 106, 95, 0.56);
}

.air-home-page .air-b-evidence-bar-review {
    background: rgba(46, 106, 95, 0.28);
}

.air-home-page .air-b-evidence-legend {
    display: grid;
    grid-template-columns: 70fr 20fr 10fr;
    gap: 2px;
    margin: 9px 0 0;
}

.air-home-page .air-b-evidence-legend div {
    display: flex;
    align-items: baseline;
    gap: 7px;
    min-width: 0;
}

.air-home-page .air-b-evidence-legend dt {
    color: var(--air-b-muted);
    font-size: 0.68rem;
    line-height: 1.35;
}

.air-home-page .air-b-evidence-legend dd {
    order: -1;
    margin: 0;
    font-family: var(--air-b-font-data);
    font-size: 0.75rem;
    font-weight: 800;
}

.air-home-page .air-b-evidence-note {
    margin: 11px 0 0;
    color: var(--air-b-muted);
    font-size: 0.7rem;
}

.air-home-page .air-b-search-form {
    display: grid;
    grid-template-columns: max-content minmax(280px, 520px);
    align-items: center;
    gap: 12px 20px;
    margin: 18px 0 0;
    padding: 12px 0;
    border-bottom: 1px solid var(--air-b-line);
    scroll-margin-top: 28px;
}

.air-home-page .air-b-search-label {
    color: var(--air-b-accent);
    font-family: var(--air-b-font-data);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    line-height: 1.35;
}

.air-home-page .air-b-search-controls {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
}

.air-home-page .air-b-search-controls input,
.air-home-page .air-b-search-controls button {
    min-height: 44px;
    margin: 0;
    border-radius: 0;
    font-family: var(--air-b-font-body);
}

.air-home-page .air-b-search-controls input {
    min-width: 0;
    width: 100%;
    padding: 9px 13px;
    border: 1px solid var(--air-b-line);
    background: var(--air-b-surface);
    color: var(--air-b-ink);
    font-size: 0.86rem;
}

.air-home-page .air-b-search-controls input::placeholder {
    color: var(--air-b-muted);
    opacity: 1;
}

.air-home-page .air-b-search-controls button {
    min-width: 64px;
    padding: 9px 18px;
    border: 1px solid var(--air-b-ink);
    background: var(--air-b-ink);
    color: var(--air-b-surface);
    cursor: pointer;
    font-size: 0.76rem;
    font-weight: 800;
}

.air-home-page .air-b-search-controls button:hover {
    border-color: var(--air-b-accent);
    background: var(--air-b-accent);
}

.air-home-page .air-b-search-controls input:focus-visible,
.air-home-page .air-b-search-controls button:focus-visible {
    outline: 3px solid var(--air-b-accent);
    outline-offset: 3px;
}

.air-home-page .air-b-work-section,
.air-home-page .air-b-guides-section {
    padding-top: clamp(76px, 10vw, 108px);
    scroll-margin-top: 28px;
}

.air-home-page .air-b-section-heading {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    align-items: end;
    gap: 40px 72px;
    margin-bottom: 34px;
}

.air-home-page .air-b-section-heading h2,
.air-home-page .air-b-ranking-intro h2 {
    margin: 0;
    color: var(--air-b-ink);
    font-family: var(--air-b-font-display);
    font-size: clamp(2.15rem, 4.6vw, 3.15rem);
    font-weight: 800;
    letter-spacing: -0.055em;
    line-height: 1.12;
}

.air-home-page .air-b-section-heading > p {
    max-width: 420px;
    margin: 0;
    color: var(--air-b-muted);
    font-size: 0.9rem;
}

.air-home-page .air-b-work-list,
.air-home-page .air-b-guide-list {
    border-top: 1px solid var(--air-b-ink);
}

.air-home-page .air-b-work-row {
    display: grid;
    grid-template-columns: 155px minmax(0, 1fr) auto;
    align-items: start;
    gap: 28px;
    padding: 32px 4px;
    border-bottom: 1px solid var(--air-b-line);
    transition: background-color 160ms ease, padding-right 160ms ease, padding-left 160ms ease;
}

.air-home-page .air-b-work-row:hover {
    padding-right: 14px;
    padding-left: 14px;
    background: var(--air-b-surface);
}

.air-home-page .air-b-work-name {
    display: flex;
    flex-direction: column;
}

.air-home-page .air-b-work-name strong {
    font-family: var(--air-b-font-display);
    font-size: 2.15rem;
    font-weight: 800;
    letter-spacing: -0.055em;
    line-height: 1.05;
}

.air-home-page .air-b-work-name small {
    margin-top: 6px;
    color: var(--air-b-muted);
    font-size: 0.7rem;
}

.air-home-page .air-b-work-copy {
    display: flex;
    flex-direction: column;
    max-width: 690px;
}

.air-home-page .air-b-work-meta {
    margin-bottom: 7px;
    color: var(--air-b-accent);
    font-family: var(--air-b-font-data);
    font-size: 0.64rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.air-home-page .air-b-work-copy > strong {
    font-family: var(--air-b-font-display);
    font-size: 1.25rem;
    font-weight: 750;
    letter-spacing: -0.035em;
    line-height: 1.35;
}

.air-home-page .air-b-work-copy > span:last-of-type {
    margin-top: 9px;
    color: var(--air-b-muted);
    font-size: 0.87rem;
}

.air-home-page .air-b-row-action {
    color: var(--air-b-accent);
    font-family: var(--air-b-font-data);
    font-size: 1.05rem;
    font-weight: 800;
}

.air-home-page .air-b-editorial-boundary {
    margin: 18px 0 0;
    color: var(--air-b-muted);
    font-size: 0.72rem;
}

.air-home-page .air-b-section-heading-compact {
    grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
}

.air-home-page .air-b-guide-list > a {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
    padding: 24px 4px;
    border-bottom: 1px solid var(--air-b-line);
    transition: color 160ms ease, padding-right 160ms ease, padding-left 160ms ease;
}

.air-home-page .air-b-guide-list > a:hover {
    padding-right: 14px;
    padding-left: 14px;
    color: var(--air-b-accent);
}

.air-home-page .air-b-guide-kind {
    color: var(--air-b-accent);
    font-family: var(--air-b-font-data);
    font-size: 0.66rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.air-home-page .air-b-guide-list a > span:nth-of-type(2) {
    display: flex;
    flex-direction: column;
}

.air-home-page .air-b-guide-list strong {
    font-family: var(--air-b-font-display);
    font-size: 1.05rem;
    font-weight: 750;
    letter-spacing: -0.03em;
}

.air-home-page .air-b-guide-list small {
    margin-top: 3px;
    color: var(--air-b-muted);
    font-size: 0.76rem;
}

.air-home-page .air-b-ranking-section {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(430px, 1.1fr);
    gap: 34px 72px;
    margin-top: clamp(78px, 10vw, 110px);
    padding: clamp(34px, 6vw, 58px);
    background: var(--air-b-accent-soft);
    scroll-margin-top: 28px;
}

.air-home-page .air-b-ranking-intro > p:not(.air-b-utility-label) {
    max-width: 430px;
    margin: 18px 0 0;
    color: var(--air-b-muted);
    font-size: 0.83rem;
}

.air-home-page .air-b-ranking-intro .air-b-text-link {
    display: inline-block;
    margin-top: 24px;
}

.air-home-page .air-b-ranking-list {
    align-self: center;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--air-b-ink);
    list-style: none;
}

.air-home-page .air-b-ranking-list li {
    display: grid;
    grid-template-columns: 102px minmax(0, 1fr) 42px 68px;
    align-items: baseline;
    gap: 12px;
    padding: 17px 0;
    border-bottom: 1px solid rgba(24, 33, 30, 0.18);
}

.air-home-page .air-b-rank-position,
.air-home-page .air-b-ranking-list small {
    color: var(--air-b-muted);
    font-size: 0.68rem;
}

.air-home-page .air-b-ranking-list strong {
    font-size: 0.93rem;
}

.air-home-page .air-b-ranking-list b {
    font-family: var(--air-b-font-data);
    font-size: 1.2rem;
}

.air-home-page .air-b-ranking-note {
    grid-column: 2;
    margin: -18px 0 0;
    color: var(--air-b-muted);
    font-size: 0.67rem;
}

.air-home-page .air-b-trust-section {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 30px;
    margin-top: 40px;
    padding: 26px 0;
    border-top: 1px solid var(--air-b-line);
    border-bottom: 1px solid var(--air-b-line);
}

.air-home-page .air-b-trust-section p {
    margin: 0;
    color: var(--air-b-muted);
    font-size: 0.78rem;
}

.air-home-page .air-b-trust-section p strong {
    color: var(--air-b-ink);
}

.air-home-page .air-b-trust-section nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 9px 19px;
}

.air-home-page .air-b-trust-section nav a {
    color: var(--air-b-accent);
    font-size: 0.72rem;
    font-weight: 750;
}

@media (max-width: 820px) {
    body.air-site.air-home-page:has(.air-b-home) {
        --air-b-page-gutter: 18px;
    }

    body.air-site.air-home-page:has(.air-b-home) .site-content {
        padding-right: var(--air-b-page-gutter);
        padding-left: var(--air-b-page-gutter);
    }

    .air-home-page .air-b-hero {
        grid-template-columns: 1fr;
        gap: 30px;
        padding-top: 68px;
    }

    .air-home-page .air-b-hero-intro {
        max-width: 620px;
    }

    .air-home-page .air-b-evidence-strip {
        grid-column: auto;
        margin-top: 18px;
    }

    .air-home-page .air-b-section-heading,
    .air-home-page .air-b-section-heading-compact {
        grid-template-columns: 1fr;
        align-items: start;
        gap: 16px;
    }

    .air-home-page .air-b-work-row {
        grid-template-columns: 120px minmax(0, 1fr) auto;
    }

    .air-home-page .air-b-ranking-section {
        grid-template-columns: 1fr;
    }

    .air-home-page .air-b-ranking-note {
        grid-column: auto;
        margin-top: -15px;
    }

    .air-home-page .air-b-trust-section {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .air-home-page .air-b-trust-section nav {
        justify-content: flex-start;
    }
}

@media (max-width: 620px) {
    .air-home-page .air-b-home {
        font-size: 16px;
    }

    .air-home-page .air-b-hero {
        gap: 18px;
        padding-top: 44px;
    }

    .air-home-page .air-b-hero h1 {
        font-size: clamp(2.6rem, 12.5vw, 3.25rem);
        line-height: 1.04;
    }

    .air-home-page .air-b-hero-intro > p {
        font-size: 0.94rem;
    }

    .air-home-page .air-b-hero-actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
        margin-top: 23px;
    }

    .air-home-page .air-b-button {
        width: 100%;
        padding-right: 10px;
        padding-left: 10px;
        font-size: 0.73rem;
    }

    .air-home-page .air-b-evidence-head {
        align-items: end;
        gap: 8px;
    }

    .air-home-page .air-b-evidence-strip {
        margin-top: 8px;
        padding-top: 17px;
        padding-bottom: 18px;
    }

    .air-home-page .air-b-evidence-bar {
        grid-template-columns: 7fr 2fr 1fr;
        margin-top: 12px;
    }

    .air-home-page .air-b-evidence-legend {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 8px;
        margin-top: 9px;
    }

    .air-home-page .air-b-evidence-legend div {
        align-items: flex-start;
        flex-direction: column;
        gap: 1px;
    }

    .air-home-page .air-b-evidence-legend dd {
        order: -1;
    }

    .air-home-page .air-b-evidence-legend dt {
        font-size: 0.61rem;
    }

    .air-home-page .air-b-evidence-note {
        margin-top: 9px;
        font-size: 0.65rem;
    }

    .air-home-page .air-b-search-form {
        grid-template-columns: 1fr;
        gap: 7px;
        margin-top: 12px;
        padding: 10px 0;
    }

    .air-home-page .air-b-search-controls input {
        font-size: 1rem;
        padding-right: 11px;
        padding-left: 11px;
    }

    .air-home-page .air-b-search-controls button {
        padding-right: 14px;
        padding-left: 14px;
    }

    .air-home-page .air-b-work-section,
    .air-home-page .air-b-guides-section {
        padding-top: 56px;
    }

    .air-home-page .air-b-section-heading {
        margin-bottom: 22px;
    }

    .air-home-page .air-b-section-heading h2,
    .air-home-page .air-b-ranking-intro h2 {
        font-size: clamp(1.9rem, 9vw, 2.35rem);
    }

    .air-home-page .air-b-work-row {
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 17px;
        padding: 25px 2px;
    }

    .air-home-page .air-b-work-row:hover {
        padding-right: 8px;
        padding-left: 8px;
    }

    .air-home-page .air-b-work-name {
        grid-column: 1;
    }

    .air-home-page .air-b-work-name strong {
        font-size: 1.85rem;
    }

    .air-home-page .air-b-work-copy {
        grid-column: 1 / -1;
    }

    .air-home-page .air-b-work-copy > strong {
        font-size: 1.12rem;
    }

    .air-home-page .air-b-work-row > .air-b-row-action {
        grid-column: 2;
        grid-row: 1;
    }

    .air-home-page .air-b-guide-list > a {
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 7px 16px;
        padding: 21px 2px;
    }

    .air-home-page .air-b-guide-list > a:hover {
        padding-right: 8px;
        padding-left: 8px;
    }

    .air-home-page .air-b-guide-kind {
        grid-column: 1;
    }

    .air-home-page .air-b-guide-list a > span:nth-of-type(2) {
        grid-column: 1 / -1;
    }

    .air-home-page .air-b-guide-list > a > .air-b-row-action {
        grid-column: 2;
        grid-row: 1;
    }

    .air-home-page .air-b-ranking-section {
        gap: 31px;
        margin-right: calc(-1 * var(--air-b-page-gutter, 16px));
        margin-left: calc(-1 * var(--air-b-page-gutter, 16px));
        padding: 36px var(--air-b-page-gutter, 16px);
    }

    .air-home-page .air-b-ranking-list li {
        grid-template-columns: 84px minmax(0, 1fr) 34px;
        gap: 8px;
    }

    .air-home-page .air-b-ranking-list small {
        grid-column: 2 / -1;
    }

    .air-home-page .air-b-ranking-note {
        margin-top: -16px;
    }

    .air-home-page .air-b-trust-section {
        margin-top: 28px;
        padding: 24px 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .air-home-page .air-b-home,
    .air-home-page .air-b-home *,
    .air-home-page .air-b-home *::before,
    .air-home-page .air-b-home *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }

    .air-home-page .air-b-button:hover {
        transform: none;
    }

    .air-home-page .air-b-work-row:hover,
    .air-home-page .air-b-guide-list > a:hover {
        padding-right: 4px;
        padding-left: 4px;
    }
}

@media (max-width: 620px) and (prefers-reduced-motion: reduce) {
    .air-home-page .air-b-work-row:hover,
    .air-home-page .air-b-guide-list > a:hover {
        padding-right: 2px;
        padding-left: 2px;
    }
}