/* Observatory Ledger: bounded homepage opening. Case-study styles stay in style.css. */
.home-page .site-header {
    border-bottom: 0;
}
.home-page .site-header__inner {
    border-bottom: 1px solid var(--border-color);
    min-height: 80px;
}
.home-page .brand__name {
    border: 0;
    width: auto;
    height: auto;
    flex-shrink: 0;
    font-size: 1.7rem;
}
.home-page .brand {
    flex-wrap: wrap;
    line-height: 1.3;
}
.home-page .brand__domain {
    font-family: var(--font-sans);
    font-size: 0.95rem;
}
.mastery-hero {
    padding: 1.3rem 0 3.5rem;
}
.mastery-identity {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.mastery-identity p {
    color: var(--text-primary);
    font-size: 1rem;
}
.mastery-identity span {
    color: var(--text-secondary);
}
.observer-mount {
    flex: 0 0 96px;
    width: 96px;
    height: 84px;
}
.observer-mount svg {
    display: block;
    width: 100%;
    height: 100%;
}
.observer-head {
    transform-origin: 253px 142px;
}
.mastery-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
    gap: 4rem;
    margin-top: 1.2rem;
}
.mastery-hero h1 {
    font-size: clamp(3.4rem, 6.2vw, 5.6rem);
    line-height: 1;
}
.mastery-hero h1 span {
    color: var(--text-secondary);
}
.mastery-intro {
    max-width: 29rem;
}
.mastery-intro p {
    font-size: 1rem;
}
.mastery-intro p:first-child {
    color: var(--text-primary);
}
.mastery-intro .ledger-link {
    margin-top: 1.3rem;
}
.evidence-feature {
    padding-bottom: 4rem;
}
.evidence-divider {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem 2rem;
    padding: 1rem 0 2.1rem;
    border-top: 1px solid var(--border-color);
}
.evidence-divider p {
    margin: 0;
    font-size: 0.8rem;
}
.evidence-heading {
    font-size: clamp(2.8rem, 4.8vw, 4.4rem);
}
.evidence-heading span {
    color: var(--accent);
    font-size: 0.7em;
    padding-inline: 0.15em;
}
.evidence-question {
    color: var(--text-primary);
    font-size: 1.2rem;
    line-height: 1.5;
    margin-top: 1.1rem;
    max-width: 47rem;
}
.evidence-scope {
    margin-top: 0.6rem;
    font-size: 0.95rem;
}
.evidence-flow {
    margin-top: 2.5rem;
}
.evidence-flow ol {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr) minmax(0, 1fr);
    gap: 2.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}
.evidence-flow li {
    position: relative;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    min-width: 0;
}
.evidence-flow h3 {
    margin: 1rem 0;
    font-size: 1.5rem;
    line-height: 1.2;
}
.evidence-flow li > p:not(.eyebrow) {
    font-size: 0.95rem;
}
.evidence-flow .evidence-capture {
    background: var(--text-primary);
    color: var(--bg-primary);
    padding: 1.3rem;
    border: 0;
}
.evidence-capture p {
    color: #494a45;
}
.evidence-capture a {
    color: #a4360b;
}
.evidence-capture a:hover {
    color: #6e2407;
}
.evidence-capture :focus-visible {
    outline-color: #a4360b;
}
.evidence-capture dl {
    padding-block: 0.7rem;
    margin: 0 0 0.8rem;
    border-block: 1px solid #aaa79e;
}
.evidence-capture dt {
    font: 0.85rem/1.8 var(--font-mono);
    color: #151613;
}
.evidence-capture dd {
    font-size: 0.85rem;
    color: #494a45;
    margin-bottom: 0.6rem;
}
.evidence-capture dd:last-child {
    margin-bottom: 0;
}
.evidence-capture::before,
.evidence-capture::after {
    position: absolute;
    top: 44%;
    color: var(--accent);
    font-size: 1.5rem;
}
.evidence-capture::before {
    content: '→';
    left: -2rem;
}
.evidence-capture::after {
    content: '→';
    right: -2rem;
}
.evidence-flow figcaption {
    padding-block: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    max-width: 62rem;
}
.evidence-results {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 4rem;
    margin-top: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}
.evidence-results h3 {
    font-size: 1.25rem;
    margin-bottom: 0.8rem;
}
.evidence-results > section {
    container-type: inline-size;
}
.fixture-cell-label {
    display: none;
}
.evidence-results p {
    font-size: 0.95rem;
}
.fixture-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}
.fixture-table caption {
    text-align: left;
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding-bottom: 0.6rem;
}
.fixture-table th {
    font-weight: 500;
    color: var(--text-secondary);
}
.fixture-table th,
.fixture-table td {
    border-bottom: 1px solid var(--border-color);
    padding: 0.65rem 0.7rem 0.65rem 0;
    vertical-align: top;
}
.fixture-table th:last-child,
.fixture-table td:last-child {
    padding-right: 0;
}
.fixture-table tbody th {
    color: var(--text-primary);
    font-family: var(--font-mono);
}
.evidence-results .evidence-provenance {
    font-size: 0.85rem;
    margin-top: 0.8rem;
    line-height: 1.8;
}
.evidence-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 2rem;
    margin-top: 1.8rem;
}
.evidence-actions p {
    font-size: 0.85rem;
}
.home-page .work .section-intro__copy {
    max-width: 42rem;
}
.lab-entry {
    margin-top: 2.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    font-size: 0.95rem;
    max-width: 52rem;
}
.lab-entry span {
    color: var(--text-secondary);
}

/* Preserve native table headers for assistive technology while narrow text
   measures use one labeled result per line, including enlarged root text. */
@container (max-width: 17rem) {
    .fixture-table,
    .fixture-table caption,
    .fixture-table tbody,
    .fixture-table tr,
    .fixture-table td,
    .fixture-table tbody th {
        display: block;
    }
    .fixture-table thead {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip-path: inset(50%);
    }
    .fixture-table tr {
        border-bottom: 1px solid var(--border-color);
        padding-block: 0.6rem;
    }
    .fixture-table td,
    .fixture-table tbody th {
        border: 0;
        padding: 0.3rem 0;
    }
    .fixture-cell-label {
        display: block;
        color: var(--text-secondary);
        font-size: 0.85em;
    }
}

@media (max-width: 1000px) {
    .mastery-hero__grid {
        gap: 2rem;
    }
    .mastery-hero h1 {
        font-size: clamp(3rem, 6.2vw, 5.6rem);
    }
    .evidence-flow ol {
        gap: 2rem;
    }
    .evidence-results {
        gap: 2rem;
    }
    .evidence-capture::before {
        left: -1.6rem;
    }
    .evidence-capture::after {
        right: -1.6rem;
    }
}
@media (max-width: 800px) {
    .mastery-hero__grid {
        grid-template-columns: 1fr;
        align-items: start;
        gap: 1.5rem;
    }
    .mastery-intro {
        max-width: 38rem;
    }
    .mastery-hero h1 {
        font-size: clamp(3rem, 7vw, 5rem);
    }
    .evidence-flow ol {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .evidence-flow li {
        padding-top: 1rem;
    }
    .evidence-flow h3 {
        margin: 0.65rem 0;
    }
    .evidence-flow .evidence-capture {
        border-left: 2px solid var(--accent);
    }
    .evidence-capture::before,
    .evidence-capture::after {
        display: none;
    }
    .evidence-results {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}
@media (max-width: 600px) {
    .home-page .site-header__inner {
        gap: 0.15rem;
        min-height: 0;
        padding-block: 0.5rem;
    }
    .home-page .brand {
        gap: 0.6rem;
    }
    .home-page .site-nav {
        column-gap: 1.2rem;
    }
    .mastery-hero {
        padding: 0.75rem 0 2rem;
    }
    .mastery-identity p {
        font-size: 0.95rem;
    }
    .mastery-identity span {
        display: block;
        font-size: 0.85rem;
    }
    .observer-mount {
        flex-basis: 72px;
        width: 72px;
        height: 63px;
    }
    .mastery-hero__grid {
        margin-top: 0.8rem;
        gap: 1.25rem;
    }
    .mastery-hero h1 {
        font-size: clamp(2.4rem, 10.8vw, 4rem);
    }
    .mastery-intro p {
        font-size: 0.95rem;
    }
    .mastery-intro p + p {
        margin-top: 0.7rem;
    }
    .mastery-intro .ledger-link {
        margin-top: 0.75rem;
    }
    .evidence-divider {
        display: block;
        padding-bottom: 1.5rem;
    }
    .evidence-divider p + p {
        margin-top: 0.3rem;
    }
    .evidence-heading {
        font-size: clamp(2.3rem, 10.8vw, 3.5rem);
    }
    .evidence-heading span {
        padding: 0;
        display: block;
        font-size: 1.3rem;
        margin-block: 0.3rem;
    }
    .evidence-question {
        font-size: 1.05rem;
    }
    .evidence-scope {
        font-size: 0.9rem;
    }
    .evidence-flow {
        margin-top: 1.7rem;
    }
    .evidence-flow h3 {
        font-size: 1.4rem;
    }
    .fixture-table {
        font-size: 0.85rem;
    }
    .evidence-actions {
        display: block;
        margin-top: 1rem;
    }
    .evidence-actions p {
        margin-top: 0.8rem;
    }
    .evidence-feature {
        padding-bottom: 2.5rem;
    }
}
@media (prefers-reduced-motion: reduce) {
    .observer-head,
    .observer-pupil {
        transform: none !important;
    }
}

/* AetherForge: native scenario selection; JavaScript only adds announcements
   and a bounded decision transition. No live values or runtime data requests. */
.af-instrument {
    container-type: inline-size;
    margin-bottom: 4rem;
    border-block: 1px solid var(--border-color);
    padding-block: 1.8rem;
}
.af-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1.5rem;
}
.af-heading h3 {
    margin-top: 0.85rem;
    font-size: clamp(1.7rem, 3vw, 2.7rem);
    line-height: 1.15;
}
.af-scope,
.af-estimate,
.af-case-proof,
.af-proof,
.af-active {
    font-size: 0.85rem;
}
.af-request-line {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    margin-block: 1.8rem;
    font-size: 0.85rem;
}
.af-request-line > span,
.af-request-line > code {
    color: var(--text-secondary);
}
.af-request-line p {
    color: var(--text-primary);
}
.af-request-line p span {
    margin-inline: 0.4rem;
    color: var(--accent);
}
.af-request-line > code {
    margin-left: auto;
}
.af-selector {
    margin: 0 0 1.8rem;
    padding: 0;
    border: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.5rem;
}
.af-selector legend {
    padding: 0 0 0.7rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}
.af-selector label {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    cursor: pointer;
    padding: 0.8rem 0.6rem;
    border-bottom: 2px solid var(--border-color);
    font-size: 0.95rem;
}
.af-selector label:has(:checked) {
    border-color: var(--text-primary);
    background: var(--bg-card);
}
.af-selector label:has(:focus-visible) {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}
.af-selector input {
    width: 1rem;
    height: 1rem;
    flex: 0 0 auto;
    accent-color: var(--text-primary);
    margin: 0;
}
.af-index {
    font: 0.7rem var(--font-mono);
    color: var(--text-secondary);
    margin-right: 0.6rem;
}
.af-case {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 1.5rem 2rem;
}
@supports selector(:has(*)) {
    .af-case {
        display: none;
    }
    .af-instrument:has(#af-baseline:checked) #af-case-baseline,
    .af-instrument:has(#af-short:checked) #af-case-short,
    .af-instrument:has(#af-thermal:checked) #af-case-thermal,
    .af-instrument:has(#af-queue:checked) #af-case-queue {
        display: grid;
    }
}
.af-case h4 {
    margin: 0 0 1.3rem;
    font: 0.72rem/1.5 var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
}
.af-inputs,
.af-result {
    padding-top: 1.3rem;
    border-top: 1px solid var(--border-color);
}
.af-inputs dl {
    margin: 0;
}
.af-inputs {
    grid-column: 1;
    grid-row: 1;
}
.af-gate {
    grid-column: 2;
    grid-row: 1;
}
.af-result {
    grid-column: 3;
    grid-row: 1;
}
.af-inputs dl > div {
    padding: 0.35rem 0 0.55rem 0.75rem;
    border-left: 2px solid transparent;
}
.af-inputs dt {
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.af-inputs dd {
    margin: 0;
    font-size: 1.15rem;
    font-variant-numeric: tabular-nums;
}
.af-inputs dd span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.af-inputs .af-changed {
    border-color: var(--accent);
}
.af-changed dt {
    color: var(--accent);
}
.af-gate {
    border-left: 2px solid var(--accent);
    background: var(--bg-card);
    padding: 1.3rem 1.5rem;
    display: flex;
    flex-direction: column;
}
.af-comparison {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 0.7rem;
    align-items: end;
    margin-block: 0.8rem 1.2rem;
}
.af-comparison p {
    margin: 0;
    font-size: 0.85rem;
}
.af-comparison strong {
    display: block;
    color: var(--text-primary);
    font-size: clamp(1.6rem, 2.8vw, 2.5rem);
    font-weight: 500;
    letter-spacing: -0.05em;
    line-height: 1.3;
    white-space: nowrap;
}
.af-comparison strong span {
    font-size: 0.85rem;
    letter-spacing: 0;
}
.af-operator {
    color: var(--accent);
    font-size: 1.5rem;
}
.af-gate-rule {
    color: var(--text-primary);
    font-size: 0.95rem;
}
.af-estimate {
    margin-top: 0.75rem;
}
.af-stop {
    font-size: 2.5rem;
    line-height: 1.08;
    letter-spacing: -0.04em;
    color: var(--text-primary);
    margin-bottom: 1.2rem;
}
.af-propagation {
    display: flex;
    align-items: center;
    padding-top: 1.5rem;
    margin-top: auto;
    color: var(--text-primary);
}
.af-propagation span {
    height: 1px;
    width: 100%;
    background: currentColor;
    transform-origin: left;
}
.af-propagation b {
    font-size: 1.6rem;
    line-height: 1;
    font-weight: 400;
}
[data-decision='reject'] .af-propagation {
    color: var(--accent);
    width: 65%;
}
.af-result .af-verdict {
    font-size: clamp(3rem, 5vw, 4.5rem);
    letter-spacing: -0.055em;
    line-height: 1;
    color: var(--text-primary);
}
.af-code {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.75rem;
    margin-top: 1rem;
    font-size: 0.8rem;
}
.af-code code {
    color: var(--text-primary);
}
.af-reason {
    font-size: 0.95rem;
    max-width: 28rem;
    margin-top: 1rem;
}
.af-active {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 0.6rem;
    margin-top: 1rem;
}
.af-case-proof {
    grid-column: 1 / -1;
    margin: 0;
}
.af-proof {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-top: 1rem;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem 2rem;
}
.af-proof p {
    max-width: 42rem;
}
.af-proof div {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1.5rem;
}
.af-announcement {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
}
@container (max-width: 60rem) {
    .af-heading {
        display: block;
    }
    .af-scope {
        margin-top: 1rem;
    }
    .af-case {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .af-inputs {
        grid-column: 1 / -1;
        grid-row: 1;
    }
    .af-gate {
        grid-column: 1;
        grid-row: 2;
    }
    .af-result {
        grid-column: 2;
        grid-row: 2;
    }
    .af-inputs dl {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
    .af-comparison strong {
        font-size: 1.8rem;
    }
    .af-index {
        display: none;
    }
}
@container (max-width: 38rem) {
    .af-request-line > code {
        margin-left: 0;
        flex-basis: 100%;
    }
    .af-selector {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .af-case {
        grid-template-columns: minmax(0, 1fr);
        gap: 1.2rem;
    }
    .af-inputs,
    .af-gate,
    .af-result {
        grid-column: auto;
        grid-row: auto;
    }
    .af-inputs dl {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.4rem;
    }
    .af-gate {
        padding: 1.1rem;
    }
    .af-case h4 {
        margin-bottom: 0.8rem;
    }
    .af-result {
        padding-top: 1rem;
    }
}
@container (max-width: 20rem) {
    .af-comparison {
        grid-template-columns: 1fr;
        gap: 0.1rem;
        margin-top: 0;
    }
    .af-comparison p {
        display: flex;
        flex-wrap: wrap;
        align-items: baseline;
        justify-content: space-between;
        gap: 0.2rem 0.6rem;
    }
    .af-operator {
        line-height: 1;
    }
}
@container (max-width: 15rem) {
    .af-stop {
        font-size: 1rem;
        line-height: 1.3;
    }
    .af-selector,
    .af-inputs dl {
        grid-template-columns: 1fr;
    }
}

/* Hiring path and deliberately unequal project hierarchy. */
.hero-email {
    display: inline-block;
    margin: 1rem 0 0 1.2rem;
}
.contract-outcomes,
.capability-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
    margin-block: 2rem;
}
.contract-outcomes section {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}
.contract-outcomes h3,
.capability-grid h3 {
    font-size: 1.2rem;
    margin-bottom: 0.7rem;
}
.applied-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
.research-entry {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    gap: 1rem 3rem;
    border-top: 1px solid var(--border-color);
    padding-block: 1.5rem;
}
.research-entry h3 {
    font-size: 1.2rem;
}
.employment-cta {
    padding-bottom: 2rem;
}
.employment-cta h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-block: 1rem;
}
@media (max-width: 800px) {
    .contract-outcomes,
    .capability-grid,
    .applied-grid,
    .research-entry {
        grid-template-columns: minmax(0, 1fr);
    }
}

/* Jay's authored opening; existing project instruments remain the proof layer. */
.home-page .mastery-hero h1 {
    font-size: clamp(2rem, 3.5vw, 3.5rem);
    line-height: 1.08;
    max-width: 19ch;
}
.home-page .mastery-hero .hero-name {
    display: block;
    color: var(--text-primary);
    font-size: clamp(5rem, 12vw, 10rem);
    line-height: 0.95;
    margin-bottom: 1.2rem;
    letter-spacing: -0.065em;
}
.mastery-hero__grid {
    align-items: end;
    margin-top: 0.5rem;
    container-type: inline-size;
}
.home-page .about {
    padding-block: 3rem 4rem;
    border-top: 1px solid var(--border-color);
}
.home-page .about .section-intro__title {
    font-size: clamp(2rem, 3.5vw, 3.3rem);
}
.brand-section {
    padding-block: 3rem 4rem;
    border-top: 1px solid var(--border-color);
}
.brand-section__intro h2 {
    font-size: clamp(2.4rem, 4.5vw, 4rem);
    margin-block: 0.75rem 1.2rem;
}
.brand-section__intro > p:last-child {
    max-width: 48ch;
}
.principle-list {
    container-type: inline-size;
    counter-reset: principle;
    list-style: none;
    padding: 0;
    margin: 2rem 0 0;
}
.principle-list li {
    counter-increment: principle;
    display: grid;
    grid-template-columns: 3rem minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 1rem 2rem;
    padding-block: 1.7rem;
    border-top: 1px solid var(--border-color);
    align-items: baseline;
}
.principle-list li::before {
    content: counter(principle, decimal-leading-zero);
    color: var(--accent);
    font: 0.8rem/1.7 var(--font-mono);
}
.principle-list h3 {
    font-size: clamp(1.4rem, 2.2vw, 2rem);
    line-height: 1.25;
    max-width: 32ch;
}
.principle-list p {
    max-width: 40ch;
}
.now .container {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr);
    gap: 2rem 4rem;
}
.now__copy > p {
    color: var(--text-primary);
    max-width: 55ch;
    font-size: 1.15rem;
}
.now__copy h3 {
    font-size: 1rem;
    margin-top: 2rem;
}
.now-questions {
    padding-left: 1.2rem;
    margin-bottom: 0;
    max-width: 55ch;
    color: var(--text-secondary);
}
.now-questions li {
    padding-left: 0.5rem;
    margin-top: 0.8rem;
}
.home-page .capabilities {
    padding-block: 2.5rem;
}
.home-page .capabilities .section-intro__title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
}
.home-page .evidence-heading {
    max-width: 23ch;
    font-size: clamp(2rem, 4.5vw, 4rem);
    line-height: 1.12;
}
.project-identity {
    font: 0.9rem/1.7 var(--font-mono);
    margin-block: 1rem;
}
@media (max-width: 800px) {
    .principle-list li {
        grid-template-columns: 2rem minmax(0, 1fr);
        column-gap: 1rem;
    }
    .principle-list p {
        grid-column: 2;
    }
    .now .container {
        grid-template-columns: minmax(0, 1fr);
        gap: 0.5rem;
    }
}
@media (max-width: 600px) {
    .home-page .mastery-hero h1 {
        font-size: clamp(1.85rem, 7.5vw, 2.7rem);
    }
    .home-page .about,
    .brand-section {
        padding-block: 2rem 2.5rem;
    }
    .home-page .about .container {
        gap: 1rem;
    }
    .home-page .site-nav {
        column-gap: 1rem;
    }
    .hero-email {
        margin-left: 0.8rem;
    }
}

/* Respond to available text width, including enlarged root text. */
@container (max-width: 16rem) {
    .home-page .mastery-hero h1 {
        font-size: 1.4rem;
    }
}
@container (max-width: 18rem) {
    .principle-list li {
        grid-template-columns: minmax(0, 1fr);
        gap: 0.75rem;
    }
    .principle-list p {
        grid-column: 1;
    }
}