:root {
    --ink-950: #142331;
    --ink-900: #1d3040;
    --ink-700: #47606f;
    --ink-500: #6d7f89;
    --paper: #fffdf7;
    --paper-soft: rgba(255, 253, 247, 0.78);
    --mist: #edf3f0;
    --line: rgba(20, 35, 49, 0.12);
    --line-strong: rgba(20, 35, 49, 0.24);
    --teal: #0e7c86;
    --teal-deep: #0a5960;
    --rust: #d26a46;
    --gold: #f0c36c;
    --sage: #d7e4d6;
    --shadow-lg: 0 24px 60px rgba(20, 35, 49, 0.12);
    --shadow-md: 0 16px 34px rgba(20, 35, 49, 0.09);
    --shadow-sm: 0 10px 22px rgba(20, 35, 49, 0.07);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-sm: 12px;
    --content-width: min(1180px, calc(100% - 2rem));
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Space Grotesk", sans-serif;
    color: var(--ink-900);
    background: #f6f5f1;
    line-height: 1.65;
    min-height: 100vh;
}

body.modal-open {
    overflow: hidden;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
}

button {
    font: inherit;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: -3rem;
    z-index: 200;
    padding: 0.8rem 1rem;
    background: var(--ink-950);
    color: #fff;
    border-radius: 999px;
    text-decoration: none;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 1rem;
}

.site-header {
    position: relative;
    overflow: hidden;
    padding: 1.4rem 0 2.2rem;
}

.site-header::before,
.site-header::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    filter: blur(0.3px);
    pointer-events: none;
}

.site-header::before {
    display: none;
}

.site-header::after {
    display: none;
}

.hero-shell,
.nav-inner,
.section,
.site-footer {
    width: var(--content-width);
    margin-inline: auto;
}

.hero-shell {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 1.5rem;
    align-items: stretch;
}

.hero-copy,
.hero-panel {
    position: relative;
    z-index: 1;
}

.hero-copy {
    padding: clamp(1.2rem, 2vw, 1.8rem);
}

.eyebrow,
.section-kicker,
.card-kicker,
.ribbon-label {
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.76rem;
    font-weight: 700;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 0.95rem;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(20, 35, 49, 0.09);
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
    color: var(--teal-deep);
}

.eyebrow span {
    width: 0.35rem;
    height: 0.35rem;
    border-radius: 999px;
    background: var(--teal);
}

.paper-label {
    margin-top: 1.2rem;
    color: var(--ink-700);
    font-size: 0.98rem;
    max-width: 46rem;
}

.hero-copy h1 {
    margin-top: 1rem;
    font-family: "Lora", serif;
    font-size: clamp(2.2rem, 4vw, 3.6rem);
    line-height: 1.1;
    max-width: 18ch;
    color: var(--ink-950);
}

.hero-summary {
    margin-top: 1.35rem;
    max-width: 46rem;
    font-size: 1.14rem;
    color: var(--ink-700);
}

.hero-meta {
    margin-top: 1.5rem;
}

.authors {
    font-weight: 700;
    font-size: 1rem;
    color: var(--ink-950);
}

.affiliations {
    margin-top: 0.3rem;
    color: var(--ink-700);
}

.hero-actions,
.resource-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.8rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3.3rem;
    padding: 0.9rem 1.35rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
    cursor: pointer;
}

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

.btn-primary {
    background: var(--ink-950);
    color: #fff;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: #0b1722;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.75);
    border-color: var(--line-strong);
    color: var(--ink-950);
}

.btn-secondary:hover,
.btn-ghost:hover {
    border-color: rgba(14, 124, 134, 0.42);
    background: rgba(255, 255, 255, 0.96);
}

.btn-ghost {
    background: rgba(14, 124, 134, 0.08);
    color: var(--teal-deep);
    border-color: rgba(14, 124, 134, 0.2);
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.85rem;
    margin-top: 1.9rem;
}

.metric-tile {
    padding: 1rem 1.1rem;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(20, 35, 49, 0.08);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(14px);
}

.metric-value {
    display: block;
    font-family: "Lora", serif;
    font-size: 2rem;
    line-height: 1;
    color: var(--teal-deep);
}

.metric-label {
    display: block;
    margin-top: 0.45rem;
    color: var(--ink-700);
    font-size: 0.92rem;
}

.hero-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.signal-card,
.mini-dashboard,
.section,
.modal-content {
    backdrop-filter: blur(16px);
}

.signal-card {
    padding: 1.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.signal-card-primary {
    background:
        linear-gradient(155deg, rgba(20, 35, 49, 0.96), rgba(10, 89, 96, 0.92));
    color: #fff;
}

.signal-card-primary h2 {
    margin-top: 0.55rem;
    font-family: "Lora", serif;
    font-size: 2rem;
    line-height: 1.02;
}

.signal-card-primary p {
    margin-top: 1rem;
    color: rgba(255, 255, 255, 0.82);
}

.bullet-matrix {
    display: grid;
    gap: 0.75rem;
    list-style: none;
    margin-top: 1.3rem;
}

.bullet-matrix li {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    padding: 0.85rem 0.95rem;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
}

.bullet-matrix i {
    margin-top: 0.15rem;
    color: rgba(255, 255, 255, 0.75);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.mini-dashboard {
    padding: 1.2rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(20, 35, 49, 0.08);
    background: rgba(255, 255, 255, 0.74);
    box-shadow: var(--shadow-md);
}

.mini-dashboard h3 {
    margin-top: 0.55rem;
    font-family: "Lora", serif;
    font-size: 1.4rem;
    line-height: 1.08;
}

.mini-dashboard p:last-child {
    margin-top: 0.65rem;
    color: var(--ink-700);
}

.site-nav {
    position: sticky;
    top: 0;
    z-index: 60;
    padding: 0 0 1rem;
}

.nav-inner {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.95rem 1.2rem;
    background: rgba(20, 35, 49, 0.76);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
    transition: background-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.site-nav.sticky .nav-inner {
    background: rgba(20, 35, 49, 0.9);
    box-shadow: var(--shadow-md);
}

.nav-brand {
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.06em;
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 2.9rem;
    height: 2.9rem;
    margin-left: auto;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    cursor: pointer;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    list-style: none;
    margin-left: auto;
}

.nav-list a {
    display: inline-flex;
    align-items: center;
    min-height: 2.75rem;
    padding: 0.65rem 1rem;
    border-radius: 999px;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.94rem;
    transition: color 0.25s ease, background-color 0.25s ease;
}

.nav-list a:hover,
.nav-list a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
}

.nav-list .nav-cta {
    color: var(--ink-950);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.nav-list .nav-cta:hover {
    background: #fff;
    color: var(--ink-950);
}

main {
    padding-bottom: 2rem;
}

.section {
    position: relative;
    padding: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.25rem;
    scroll-margin-top: 7rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(20, 35, 49, 0.08);
    background: var(--paper-soft);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.section::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 8rem;
    height: 0.28rem;
    background: var(--teal);
    border-radius: 999px;
}

.section-header {
    position: relative;
    z-index: 1;
    max-width: 48rem;
    margin-bottom: 1.8rem;
}

.section-header h2 {
    margin-top: 0.55rem;
    font-family: "Lora", serif;
    font-size: clamp(1.6rem, 2.8vw, 2.2rem);
    line-height: 1.15;
}

.section-header p:last-child {
    margin-top: 0.85rem;
    color: var(--ink-700);
    font-size: 1.05rem;
}

.section-overview {
    background: rgba(255, 255, 255, 0.92);
}

.overview-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: 1rem;
}

.editorial-card,
.compare-card,
.stage-card,
.results-card,
.question-card,
.resource-card,
.citation-card,
.process-figure,
.figure-card,
.principles-panel {
    position: relative;
    z-index: 1;
    border: 1px solid rgba(20, 35, 49, 0.08);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow-sm);
}

.editorial-card {
    padding: 1.5rem;
}

.editorial-card h3,
.compare-card h3,
.results-card h3,
.question-card h3,
.resource-card h3,
.citation-card h3 {
    margin-top: 0.55rem;
    font-family: "Lora", serif;
    font-size: 1.5rem;
    line-height: 1.08;
}

.editorial-card p,
.compare-card p,
.results-card p,
.resource-card p,
.principles-copy p,
.citation-card p {
    margin-top: 0.8rem;
    color: var(--ink-700);
}

.editorial-card-accent {
    background: rgba(14, 124, 134, 0.05);
    border-color: rgba(14, 124, 134, 0.15);
}

.feature-list {
    display: grid;
    gap: 0.75rem;
    list-style: none;
    margin-top: 1rem;
}

.feature-list li {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.feature-list i {
    margin-top: 0.16rem;
    color: var(--teal);
}

.stat-ribbon {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    padding: 1.2rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(20, 35, 49, 0.95), rgba(46, 59, 43, 0.9));
    color: #fff;
    box-shadow: var(--shadow-md);
}

.stat-ribbon p {
    margin-top: 0.55rem;
    color: rgba(255, 255, 255, 0.84);
}

.compare-board {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.compare-card {
    padding: 1.5rem;
}

.compare-card-solution {
    background: rgba(14, 124, 134, 0.04);
    border-color: rgba(14, 124, 134, 0.14);
}

.section-problem {
    background:
        linear-gradient(135deg, rgba(20, 35, 49, 0.97), rgba(9, 78, 83, 0.94));
    color: #fff;
}

.section-problem::before {
    background: rgba(255, 255, 255, 0.35);
}

.section-header-light p:last-child,
.section-header-light .section-kicker,
.section-problem .card-kicker,
.section-problem .friction-card p {
    color: rgba(255, 255, 255, 0.8);
}

.section-header-light h2 {
    color: #fff;
}

.friction-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.friction-card {
    padding: 1.35rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-sm);
}

.friction-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 3rem;
    min-height: 3rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    color: rgba(255, 255, 255, 0.9);
    font-family: "Lora", serif;
    font-size: 1.25rem;
}

.friction-card h3 {
    margin-top: 1rem;
    font-family: "Lora", serif;
    font-size: 1.4rem;
}

.friction-card p {
    margin-top: 0.75rem;
}

.mechanism-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(340px, 0.9fr);
    gap: 1rem;
    align-items: start;
}

.timeline {
    display: grid;
    gap: 1rem;
}

.stage-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem;
    padding: 1.35rem;
}

.stage-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: 999px;
    background: var(--ink-950);
    color: #fff;
    font-family: "Lora", serif;
    font-size: 1.35rem;
    box-shadow: var(--shadow-sm);
}

.stage-card p:last-child {
    margin-top: 0.7rem;
    color: var(--ink-700);
}

.process-figure {
    padding: 1.1rem;
}

.figure-shell {
    overflow: hidden;
    border-radius: calc(var(--radius-lg) - 6px);
    background: #fff;
    border: 1px solid rgba(20, 35, 49, 0.08);
}

.figure-shell img {
    width: 100%;
    height: auto;
}

.process-figure figcaption,
.figure-card figcaption {
    padding: 1rem 0.35rem 0.2rem;
    color: var(--ink-700);
}

.figure-tag {
    display: inline-flex;
    align-items: center;
    margin-bottom: 0.55rem;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    background: rgba(14, 124, 134, 0.11);
    color: var(--teal-deep);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.innovation-banner {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 1.2rem;
    padding: 1.35rem 1.5rem;
    margin-top: 1rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--ink-950), var(--ink-900));
    color: #fff;
    box-shadow: var(--shadow-md);
}

.innovation-banner h3 {
    margin-top: 0.45rem;
    font-family: "Lora", serif;
    font-size: 1.6rem;
    line-height: 1.1;
    color: #fff;
}

.section-results {
    background: rgba(255, 255, 255, 0.92);
}

.results-top {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.results-card {
    padding: 1.5rem;
}

.highlight-band {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.highlight-band span {
    padding: 0.75rem 1rem;
    border-radius: 999px;
    background: rgba(20, 35, 49, 0.06);
    border: 1px solid rgba(20, 35, 49, 0.08);
    font-weight: 700;
    color: var(--ink-900);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.figure-card {
    padding: 1rem;
}

.figure-card-wide {
    grid-column: 1 / -1;
}

.paired-figure {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.paired-figure img {
    width: 100%;
    height: auto;
    border-radius: calc(var(--radius-lg) - 8px);
    border: 1px solid rgba(20, 35, 49, 0.08);
    background: #fff;
}

.figure-shell-narrow {
    max-width: 78%;
    margin-inline: auto;
}

.section-questionnaire {
    background: rgba(255, 255, 255, 0.92);
}

.questionnaire-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.question-card {
    padding: 1.4rem;
}

.question-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3.1rem;
    height: 3.1rem;
    border-radius: 999px;
    background: rgba(14, 124, 134, 0.1);
    color: var(--teal);
    font-size: 1.2rem;
}

.token-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    list-style: none;
    margin-top: 1rem;
}

.token-list li {
    padding: 0.6rem 0.8rem;
    border-radius: 999px;
    background: rgba(20, 35, 49, 0.06);
    color: var(--ink-900);
    font-size: 0.92rem;
}

.principles-panel {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 1rem;
    padding: 1.4rem;
    margin-top: 1rem;
    background: rgba(255, 255, 255, 0.7);
}

.principles-copy h3 {
    margin-top: 0.45rem;
    font-family: "Lora", serif;
    font-size: 1.7rem;
    line-height: 1.06;
}

.principles-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
}

.principle-item {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    padding: 1rem;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(20, 35, 49, 0.08);
}

.principle-item i {
    color: var(--teal);
}

.section-resources {
    background: rgba(255, 255, 255, 0.92);
}

.resource-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(300px, 1.05fr);
    gap: 1rem;
}

.resource-card,
.citation-card {
    padding: 1.5rem;
}

.citation-card pre {
    margin-top: 1rem;
    padding: 1rem 1.1rem;
    overflow-x: auto;
    border-radius: var(--radius-md);
    background: var(--ink-950);
    color: #ecf2f4;
}

.citation-card code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.93rem;
    line-height: 1.6;
}

.site-footer {
    padding: 1rem 0 2.5rem;
    text-align: center;
    color: var(--ink-700);
}

.footer-note {
    margin-top: 0.3rem;
    font-size: 0.95rem;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: rgba(20, 35, 49, 0.54);
    z-index: 100;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    position: relative;
    width: min(30rem, 100%);
    padding: 2rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.modal-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    border-radius: 999px;
    background: rgba(14, 124, 134, 0.1);
    color: var(--teal);
    font-size: 1.4rem;
}

.modal-content h3 {
    margin-top: 1rem;
    font-family: "Lora", serif;
    font-size: 2rem;
    line-height: 1.04;
}

.modal-content p {
    margin-top: 0.9rem;
    color: var(--ink-700);
}

.modal-close {
    position: absolute;
    top: 0.9rem;
    right: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    border-radius: 999px;
    background: rgba(20, 35, 49, 0.07);
    color: var(--ink-900);
    cursor: pointer;
}

.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.65s ease, transform 0.65s ease;
    transition-delay: var(--delay, 0ms);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

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

    .btn,
    .nav-inner,
    .nav-list a,
    .reveal {
        transition: none !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}

@media (max-width: 1080px) {
    .hero-shell,
    .mechanism-layout,
    .resource-layout,
    .principles-panel {
        grid-template-columns: 1fr;
    }

    .hero-metrics,
    .friction-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .overview-grid,
    .compare-board,
    .results-top,
    .gallery-grid,
    .questionnaire-grid,
    .principles-list {
        grid-template-columns: 1fr;
    }

    .stat-ribbon,
    .innovation-banner {
        grid-template-columns: 1fr;
    }

    .figure-card-wide {
        grid-column: auto;
    }

    .paired-figure {
        grid-template-columns: 1fr;
    }

    .figure-shell-narrow {
        max-width: 100%;
    }

    .nav-inner {
        position: relative;
        flex-wrap: wrap;
        border-radius: 28px;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .nav-list {
        display: none;
        width: 100%;
        margin-left: 0;
        padding-top: 0.8rem;
        flex-direction: column;
        align-items: stretch;
    }

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

    .nav-list a {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 760px) {
    .site-header {
        padding-top: 1rem;
    }

    .hero-copy,
    .section,
    .signal-card,
    .mini-dashboard,
    .resource-card,
    .citation-card,
    .question-card {
        padding-left: 1.1rem;
        padding-right: 1.1rem;
    }

    .hero-copy h1 {
        max-width: 100%;
        font-size: clamp(2.6rem, 13vw, 4rem);
    }

    .hero-metrics,
    .dashboard-grid,
    .friction-grid {
        grid-template-columns: 1fr;
    }

    .stage-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .hero-shell,
    .nav-inner,
    .section,
    .site-footer {
        width: min(100% - 1rem, 100%);
    }

    .btn {
        width: 100%;
    }

    .principles-list {
        grid-template-columns: 1fr;
    }

    .hero-actions,
    .resource-actions {
        flex-direction: column;
    }
}