:root {
    --ink: #1B1E24;
    --ink-soft: #55565C;
    --paper: #F2F0EA;
    --paper-2: #E8E5DC;
    --left: #A6403F;
    --right: #2E5266;
    --centre: #B08A3E;
    --line: #D6D2C6;
    --left-bg: rgba(166, 64, 63, 0.08);
    --right-bg: rgba(46, 82, 102, 0.08);
    --centre-bg: rgba(176, 138, 62, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'IBM Plex Sans', system-ui, sans-serif;
    color: var(--ink);
    background: var(--paper);
    line-height: 1.55;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.serif {
    font-family: 'Newsreader', Georgia, serif;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

.underline-link {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}

.underline-link:hover {
    color: var(--ink-soft);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    border: 1px solid var(--ink);
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.btn:hover {
    background: var(--ink);
    color: var(--paper);
}

.btn-primary {
    background: var(--ink);
    color: var(--paper);
}

.btn-primary:hover {
    background: transparent;
    color: var(--ink);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Header */
.header {
    border-bottom: 1px solid var(--line);
    background: var(--paper);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 64px;
    padding: 12px 0;
}

.brand {
    display: flex;
    align-items: baseline;
    gap: 12px;
    min-width: 0;
}

.brand-name {
    font-family: 'Newsreader', Georgia, serif;
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1;
}

.brand-tagline {
    font-size: 13px;
    color: var(--ink-soft);
    white-space: nowrap;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links a {
    font-size: 14px;
    color: var(--ink-soft);
    padding-bottom: 2px;
    border-bottom: 1px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--ink);
    border-bottom-color: var(--ink);
    font-weight: 500;
}

/* Shell layout: sidebar + feed */
.shell {
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 64px);
}

.layout {
    display: flex;
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

.topics-sidebar {
    width: 200px;
    flex-shrink: 0;
    padding: 28px 24px;
    border-right: 1px solid var(--line);
}

.sidebar-label {
    font-size: 12px;
    color: var(--ink-soft);
    margin-bottom: 12px;
}

.topics-nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.topic-btn {
    text-align: left;
    background: none;
    border: none;
    border-bottom: 1px solid transparent;
    padding: 0 0 2px;
    font-family: inherit;
    font-size: 14px;
    color: var(--ink-soft);
    cursor: pointer;
    width: fit-content;
}

.topic-btn:hover {
    color: var(--ink);
}

.topic-btn.active {
    color: var(--ink);
    font-weight: 600;
    border-bottom-color: var(--ink);
}

.feed {
    flex: 1;
    min-width: 0;
    padding: 28px 28px 48px;
}

/* Search */
.search-form {
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 14px;
    margin-bottom: 8px;
}

.search-form input {
    flex: 1;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 14px;
    color: var(--ink);
    outline: none;
}

.search-form input::placeholder {
    color: var(--ink-soft);
}

.search-icon {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    color: var(--ink-soft);
}

.search-submit {
    display: none;
}

/* Briefing */
.briefing {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line);
}

.briefing-card {
    background: transparent;
}

.briefing-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.briefing-head h2 {
    font-family: 'Newsreader', Georgia, serif;
    font-size: 22px;
    font-weight: 600;
}

.briefing-date {
    display: block;
    font-size: 12px;
    color: var(--ink-soft);
    margin-top: 4px;
}

.briefing-topics {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.briefing-topic {
    font-size: 11px;
    color: var(--ink-soft);
    border-bottom: 1px solid var(--line);
    padding-bottom: 1px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.briefing-full h4 {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-soft);
    margin-bottom: 10px;
    font-weight: 500;
}

.briefing-stories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 28px;
}

.briefing-stories li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
}

.briefing-stories a {
    font-size: 14px;
    font-weight: 500;
}

.briefing-stories a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.briefing-counts {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.pip {
    min-width: 18px;
    text-align: center;
    font-size: 10px;
    font-weight: 600;
    padding: 1px 5px;
    color: var(--paper);
}

.pip-left { background: var(--left); }
.pip-centre { background: var(--centre); }
.pip-right { background: var(--right); }

/* Stories feed */
.stories-header {
    margin: 16px 0 8px;
}

.stories-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--ink-soft);
}

.total-count {
    color: var(--ink);
    font-weight: 600;
}

.story-section {
    margin-top: 28px;
}

.section-title {
    font-family: 'Newsreader', Georgia, serif;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
}

.section-count {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 13px;
    font-weight: 400;
    color: var(--ink-soft);
}

.stories-list {
    display: flex;
    flex-direction: column;
}

/* Story article (Lobby style — not a card) */
.story-card {
    border-bottom: 1px solid var(--line);
    padding: 24px 0;
    background: transparent;
}

.story-card:hover {
    box-shadow: none;
    border-color: var(--line);
}

.story-meta-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
    font-size: 12px;
    color: var(--ink-soft);
}

.story-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.story-topic {
    background: none;
    color: var(--ink-soft);
    padding: 0;
    border-radius: 0;
    font-size: 12px;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
}

.story-title {
    font-family: 'Newsreader', Georgia, serif;
    font-size: 22px;
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: 6px;
}

.story-title a:hover {
    color: var(--ink-soft);
}

.story-summary {
    font-size: 14px;
    color: var(--ink-soft);
    margin-bottom: 14px;
    line-height: 1.55;
}

.coverage-bar {
    display: flex;
    height: 6px;
    width: 100%;
    margin-bottom: 6px;
    background: var(--paper-2);
}

.coverage-seg.seg-left { background: var(--left); }
.coverage-seg.seg-centre { background: var(--centre); }
.coverage-seg.seg-right { background: var(--right); }

.coverage-caption {
    font-size: 12px;
    color: var(--ink-soft);
    margin-bottom: 14px;
}

.story-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.read-more {
    font-size: 14px;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}

.agreement-preview {
    font-size: 13px;
    color: var(--ink-soft);
}

.agreement-preview .label {
    font-weight: 600;
    color: var(--ink);
}

/* Legacy perspective blocks (story detail) */
.perspectives {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.perspective {
    padding: 14px 0 14px 14px;
    border-left: 2px solid;
    background: transparent;
    border-radius: 0;
}

.perspective-left {
    border-left-color: var(--left);
}

.perspective-right {
    border-left-color: var(--right);
}

.perspective-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 6px;
}

.perspective-left .perspective-label { color: var(--left); }
.perspective-right .perspective-label { color: var(--right); }

.perspective p {
    font-size: 14px;
    color: var(--ink-soft);
    margin-bottom: 6px;
}

.source-count {
    font-size: 12px;
    color: var(--ink-soft);
}

/* Newsletter */
.newsletter {
    border-top: 1px solid var(--line);
    background: var(--paper-2);
    padding: 48px 24px;
}

.newsletter-content {
    max-width: 480px;
    margin: 0 auto;
    text-align: left;
}

.newsletter h2 {
    font-family: 'Newsreader', Georgia, serif;
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--ink);
}

.newsletter p {
    color: var(--ink-soft);
    font-size: 14px;
    margin-bottom: 20px;
}

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

.newsletter-form input {
    flex: 1;
    padding: 12px 14px;
    border: 1px solid var(--line);
    background: var(--paper);
    font-family: inherit;
    font-size: 14px;
    color: var(--ink);
}

.newsletter-form input:focus {
    outline: 1px solid var(--ink);
}

.newsletter-form .btn {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
}

/* Footer */
.footer {
    background: var(--ink);
    color: var(--paper);
    padding: 40px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 28px;
}

.footer-brand p {
    color: rgba(242, 240, 234, 0.65);
    margin-top: 10px;
    font-size: 14px;
}

.footer-logo {
    height: 40px;
    background: var(--paper);
    padding: 6px 10px;
}

.footer-brand .brand-name {
    color: var(--paper);
    font-size: 24px;
}

.footer-links h4 {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 14px;
    color: rgba(242, 240, 234, 0.45);
    font-weight: 500;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links a {
    color: rgba(242, 240, 234, 0.8);
    font-size: 14px;
}

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

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid rgba(242, 240, 234, 0.12);
    text-align: left;
}

.footer-bottom p {
    font-size: 12px;
    color: rgba(242, 240, 234, 0.45);
}

/* Story detail page */
.story-page,
.sources-page,
.about-page {
    padding: 40px 0 64px;
    max-width: 900px;
    margin: 0 auto;
}

.back-link {
    display: inline-block;
    font-size: 14px;
    color: var(--ink-soft);
    margin-bottom: 24px;
    text-decoration: underline;
    text-underline-offset: 4px;
}

.story-meta {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--ink-soft);
}

.story-page .story-title {
    font-size: 36px;
    margin-bottom: 8px;
}

.story-section {
    margin-bottom: 36px;
}

.story-section h2 {
    font-family: 'Newsreader', Georgia, serif;
    font-size: 20px;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--line);
}

.neutral-summary {
    background: var(--paper-2);
    padding: 20px 22px;
    border-left: 2px solid var(--ink);
    border-radius: 0;
}

.neutral-summary p {
    font-size: 16px;
    line-height: 1.7;
}

.perspectives-detailed {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.perspective-detailed {
    padding: 0;
    border-radius: 0;
    background: transparent;
}

.perspective-detailed.left {
    border: none;
    border-top: 2px solid var(--left);
    padding-top: 14px;
}

.perspective-detailed.right {
    border: none;
    border-top: 2px solid var(--right);
    padding-top: 14px;
}

.perspective-detailed h3 {
    font-size: 14px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.perspective-detailed.left h3 { color: var(--left); }
.perspective-detailed.right h3 { color: var(--right); }

.perspective-detailed p {
    font-size: 14px;
    line-height: 1.65;
    color: var(--ink-soft);
}

.agreements-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.agreement-box,
.disagreement-box {
    padding: 0;
    border-radius: 0;
    background: transparent;
}

.agreement-box {
    border-top: 2px solid #3D7A4A;
    padding-top: 14px;
}

.disagreement-box {
    border-top: 2px solid #B06A2E;
    padding-top: 14px;
}

.agreement-box h4,
.disagreement-box h4 {
    font-size: 12px;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.agreement-box h4 { color: #3D7A4A; }
.disagreement-box h4 { color: #B06A2E; }

.agreement-box li,
.disagreement-box li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--ink-soft);
    border-bottom: 1px solid var(--line);
}

.agreement-box li:last-child,
.disagreement-box li:last-child {
    border-bottom: none;
}

.source-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.coverage-summary {
    margin-bottom: 8px;
}

.coverage-summary .coverage-bar {
    height: 8px;
}

.coverage-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 10px;
    font-size: 13px;
    color: var(--ink-soft);
}

.coverage-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.coverage-legend-item strong {
    color: var(--ink);
    font-weight: 600;
}

.source-groups {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.source-group-head {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ink-soft);
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--line);
}

.source-group-count {
    margin-left: auto;
}

.source-group-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.source-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
    background: transparent;
    border-radius: 0;
}

.source-item:hover {
    background: transparent;
}

.source-item:last-child {
    border-bottom: none;
}

.source-logo {
    width: 24px;
    height: 24px;
    border-radius: 2px;
    object-fit: contain;
    background: var(--paper-2);
    flex-shrink: 0;
}

.source-logo-fallback {
    visibility: hidden;
}

.source-name {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 2px;
}

.source-headline {
    font-size: 13px;
    color: var(--ink-soft);
}

.source-bias {
    padding: 0;
    border-radius: 0;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: none;
}

.source-bias.left { color: var(--left); }
.source-bias.centre { color: var(--centre); }
.source-bias.right { color: var(--right); }

/* Sources page */
.sources-intro {
    max-width: 640px;
    margin-bottom: 28px;
}

.sources-intro p {
    color: var(--ink-soft);
    font-size: 15px;
    line-height: 1.65;
}

.sources-page .topics-bar {
    position: static;
    border: none;
    padding: 0;
    margin-bottom: 24px;
    background: transparent;
}

.sources-page .topics {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.sources-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    border-top: 1px solid var(--line);
}

.source-card {
    display: block;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--line);
    border-right: 1px solid var(--line);
    border-radius: 0;
    padding: 20px;
    color: inherit;
    text-decoration: none;
    transition: background 0.15s ease;
}

.source-card:nth-child(2n) {
    border-right: none;
}

.source-card:hover {
    box-shadow: none;
    background: var(--paper-2);
    transform: none;
    border-color: var(--line);
}

.source-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 10px;
}

.source-card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.source-card-logo {
    width: 28px;
    height: 28px;
    border-radius: 2px;
    object-fit: contain;
    background: var(--paper-2);
    padding: 2px;
    flex-shrink: 0;
}

.source-card h3 {
    font-size: 16px;
    font-weight: 600;
    font-family: 'Newsreader', Georgia, serif;
}

.source-card-country {
    font-size: 12px;
    color: var(--ink-soft);
}

.source-card-description {
    font-size: 13px;
    color: var(--ink-soft);
    line-height: 1.5;
}

.bias-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
}

.bias-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--line);
}

.bias-dot.active.left { background: var(--left); }
.bias-dot.active.centre-left { background: #C46B6A; }
.bias-dot.active.centre { background: var(--centre); }
.bias-dot.active.centre-right { background: #4A6F82; }
.bias-dot.active.right { background: var(--right); }

.bias-label {
    margin-left: 8px;
    font-size: 12px;
    color: var(--ink-soft);
}

/* About */
.about-hero {
    margin-bottom: 40px;
}

.about-hero h1 {
    font-family: 'Newsreader', Georgia, serif;
    font-size: 40px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 12px;
}

.about-hero p {
    font-size: 16px;
    color: var(--ink-soft);
    line-height: 1.7;
    max-width: 640px;
}

.about-section {
    margin-bottom: 40px;
    padding-top: 8px;
    border-top: 1px solid var(--line);
}

.about-section h2 {
    font-family: 'Newsreader', Georgia, serif;
    font-size: 24px;
    margin: 20px 0 14px;
}

.about-section p {
    color: var(--ink-soft);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 12px;
}

.methodology-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 24px;
}

.methodology-item {
    padding: 0;
    background: transparent;
    border-radius: 0;
    text-align: left;
    border-top: 2px solid var(--ink);
    padding-top: 14px;
}

.methodology-item .number {
    width: auto;
    height: auto;
    background: none;
    color: var(--ink-soft);
    border-radius: 0;
    display: block;
    font-size: 12px;
    font-weight: 600;
    margin: 0 0 8px;
    letter-spacing: 0.06em;
}

.methodology-item h3 {
    font-size: 16px;
    margin-bottom: 6px;
    font-family: 'Newsreader', Georgia, serif;
}

.methodology-item p {
    font-size: 13px;
    margin-bottom: 0;
}

.dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    vertical-align: middle;
    margin-right: 4px;
}

.dot-left { background: var(--left); }
.dot-centre { background: var(--centre); }
.dot-right { background: var(--right); }

.blind-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.blind-list li {
    font-size: 14px;
    line-height: 1.55;
    color: var(--ink-soft);
    padding-left: 14px;
    position: relative;
}

.blind-list li::before {
    content: "–";
    position: absolute;
    left: 0;
    color: var(--ink-soft);
}

li.muted {
    color: var(--ink-soft);
    font-style: italic;
}

/* States */
.story-loading,
.state-box {
    text-align: left;
    padding: 32px 0;
    color: var(--ink-soft);
    background: transparent;
    border-radius: 0;
}

.state-box.error {
    background: transparent;
    color: var(--left);
    border-top: 2px solid var(--left);
    padding-top: 14px;
}

.story-error {
    padding: 24px 0;
    color: var(--ink-soft);
}

.skeleton-grid {
    display: grid;
    gap: 0;
}

.skeleton-card {
    border: none;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    padding: 24px 0;
    background: transparent;
}

.skeleton-line,
.skeleton-box {
    background: linear-gradient(90deg, var(--paper-2) 25%, var(--line) 37%, var(--paper-2) 63%);
    background-size: 400% 100%;
    animation: skeleton-shimmer 1.4s ease infinite;
    border-radius: 2px;
}

.skeleton-line {
    height: 12px;
    margin-bottom: 10px;
}

.skeleton-line.short { width: 55%; }
.skeleton-tag { width: 70px; height: 10px; }
.skeleton-title { height: 22px; width: 80%; margin-bottom: 14px; }

.skeleton-perspectives {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 12px;
}

.skeleton-box { height: 6px; margin: 0; }

@keyframes skeleton-shimmer {
    0% { background-position: 100% 0; }
    100% { background-position: 0 0; }
}

/* Search results */
.search-result {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 18px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
}

.search-result:hover {
    box-shadow: none;
    border-color: var(--line);
}

.result-type {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ink-soft);
    align-self: flex-start;
    background: none;
    padding: 0;
    border-radius: 0;
}

.result-type.result-left { color: var(--left); background: none; }
.result-type.result-centre { color: var(--centre); background: none; }
.result-type.result-right { color: var(--right); background: none; }

.result-title {
    font-family: 'Newsreader', Georgia, serif;
    font-weight: 500;
    font-size: 18px;
    color: var(--ink);
}

.result-snippet {
    font-size: 13px;
    color: var(--ink-soft);
}

/* Responsive */
@media (max-width: 900px) {
    .layout {
        flex-direction: column;
    }

    .topics-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--line);
        padding: 20px 24px;
    }

    .topics-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 12px 18px;
    }

    .briefing-stories {
        grid-template-columns: 1fr;
    }

    .perspectives,
    .perspectives-detailed,
    .agreements-grid,
    .methodology-grid,
    .sources-grid,
    .footer-content {
        grid-template-columns: 1fr;
    }

    .source-card {
        border-right: none;
    }
}

@media (max-width: 600px) {
    .brand-tagline {
        display: none;
    }

    .nav-links {
        display: none;
    }

    .feed {
        padding: 20px 20px 40px;
    }

    .story-title {
        font-size: 18px;
    }

    .story-page .story-title {
        font-size: 28px;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .about-hero h1 {
        font-size: 32px;
    }
}