/* =====================================================================
   Subway Surfers — site stylesheet
   Layout follows the Geometry Play homepage (sidebar, top bar, full-width
   featured game, article + comments), re-themed on a white background.
   ===================================================================== */

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

/* ===== THEME ===== */
:root {
    --bg: #ffffff;
    --bg-soft: #f5f8fc;
    --surface: #ffffff;
    --border: #e3e8ef;
    --text: #1b2433;
    --text-2: #4b5567;
    --navy: #10305c;
    --yellow: #ffc619;
    --orange: #ff7b1c;
    --orange-dark: #e4620a;
    --blue: #1c8dff;
    --link: #0b57d0;
    --link-hover: #0842a0;
    --shadow: 0 1px 8px rgba(16, 48, 92, 0.07);
    --radius: 14px;
    --sidebar-w: 64px;
    --sidebar-w-open: 220px;
    --font-display: 'Lilita One', 'Arial Rounded MT Bold', 'Trebuchet MS', system-ui, sans-serif;
    --font-body: 'Poppins', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

/* ===== BASE ===== */
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    font-size-adjust: 0.52;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}
img { max-width: 100%; }
a { color: var(--link); }
a:hover { color: var(--link-hover); }
:focus-visible { outline: 3px solid rgba(28, 141, 255, 0.45); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ===== SIDEBAR ===== */
.sidebar {
    position: fixed; top: 0; left: 0;
    width: var(--sidebar-w); height: 100vh;
    background: var(--bg);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column;
    z-index: 200; overflow: hidden;
    transition: width 0.28s cubic-bezier(0.4,0,0.2,1), box-shadow 0.28s ease;
}
.sidebar:hover { width: var(--sidebar-w-open); box-shadow: 4px 0 28px rgba(16, 48, 92, 0.12); }

.sidebar-logo {
    display: flex; align-items: center; justify-content: center;
    min-height: 64px; flex-shrink: 0;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
}
.sidebar-logo-mark {
    width: 38px; height: 38px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    background: var(--yellow); color: var(--navy);
    font-family: var(--font-display); font-size: 1.15rem; letter-spacing: 0.5px;
    box-shadow: inset 0 -3px 0 rgba(16, 48, 92, 0.22);
}

.sidebar-nav { flex: 1; display: flex; flex-direction: column; padding: 0.6rem 0; overflow-y: auto; overflow-x: hidden; }
.s-item {
    display: flex; align-items: center; gap: 0.8rem;
    padding: 0.8rem 1.1rem; white-space: nowrap;
    text-decoration: none; color: var(--text-2);
    border-left: 3px solid transparent;
    transition: color 0.2s ease, background 0.2s ease;
}
.s-item:hover, .s-item.active { color: var(--orange-dark); background: rgba(255, 123, 28, 0.08); border-left-color: var(--orange); }
.si { font-size: 1.2rem; min-width: 26px; text-align: center; flex-shrink: 0; }
.sl { font-size: 0.86rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; opacity: 0; transition: opacity 0.18s ease 0.08s; }
.sidebar:hover .sl { opacity: 1; }
.sidebar-bottom { border-top: 1px solid var(--border); padding: 0.75rem 1.1rem; flex-shrink: 0; white-space: nowrap; font-size: 0.7rem; color: var(--text-2); }

.menu-toggle {
    display: none; position: fixed; top: 0.8rem; left: 0.8rem; z-index: 300;
    background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
    padding: 0.6rem 0.7rem; cursor: pointer; flex-direction: column; gap: 5px;
}
.menu-toggle span { display: block; width: 20px; height: 2px; background: var(--navy); border-radius: 2px; }

/* ===== PAGE WRAPPER ===== */
.page-wrapper {
    margin-left: var(--sidebar-w);
    display: flex; flex-direction: column; min-height: 100vh;
    transition: margin-left 0.28s cubic-bezier(0.4,0,0.2,1);
}
@media (min-width: 901px) {
    body:has(.sidebar:hover) .page-wrapper { margin-left: var(--sidebar-w-open); }
}

/* ===== TOP BAR ===== */
.top-bar {
    position: sticky; top: 0; z-index: 100;
    min-height: 64px; padding: 0 1.5rem;
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--border);
    backdrop-filter: saturate(160%) blur(8px);
}
.topbar-logo {
    display: flex; align-items: baseline; gap: 0.35rem;
    font-family: var(--font-display); font-size: clamp(1.25rem, 2.6vw, 1.7rem);
    letter-spacing: 1px; text-transform: uppercase; text-decoration: none; white-space: nowrap;
    line-height: 1;
}
.topbar-logo span { text-shadow: 2px 2px 0 var(--navy); }
.topbar-logo-main { color: var(--yellow); }
.topbar-logo-sub { color: var(--blue); }
.topbar-play {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.55rem 1.3rem; border-radius: 50px;
    background: var(--orange); color: #fff;
    font-weight: 700; font-size: 0.86rem; text-decoration: none;
    box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease, background 0.2s ease;
}
.topbar-play:hover { background: var(--orange-dark); color: #fff; transform: translateY(-1px); }

/* ===== AD PLACEHOLDERS (paused until the ad network is approved) ===== */
.top-ad-strip, .ad-banner, .featured-ad-col { display: none !important; }

/* ===== FEATURED GAME ===== */
.featured-block { width: 100%; }
.featured-header {
    display: flex; align-items: center; gap: 0.6rem;
    padding: 0.7rem 1.25rem;
    background: linear-gradient(135deg, rgba(255, 198, 25, 0.16), rgba(28, 141, 255, 0.08));
    border-bottom: 1px solid var(--border);
}
.featured-badge-tag {
    background: var(--yellow); color: var(--navy);
    font-size: 0.66rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1px; padding: 0.2rem 0.55rem; border-radius: 4px;
}
.featured-game-name { font-family: var(--font-display); font-weight: 400; font-size: 1.25rem; color: var(--navy); letter-spacing: 0.5px; line-height: 1.2; }

.featured-row { display: flex; align-items: stretch; }
.featured-game-area { flex: 1; min-width: 0; position: relative; background: #000; }
.featured-iframe { display: block; width: 100%; height: 560px; border: none; }

.fullscreen-btn {
    position: absolute; top: 10px; left: 10px; z-index: 10;
    background: rgba(0, 0, 0, 0.7); border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff; padding: 0.32rem 0.75rem; border-radius: 6px;
    font: 600 0.76rem var(--font-body); cursor: pointer; white-space: nowrap;
    transition: background 0.2s ease;
}
.fullscreen-btn:hover { background: var(--orange); }
.featured-game-area.css-fullscreen {
    position: fixed; top: 0; left: 0; z-index: 9999;
    width: 100vw; width: 100dvw; height: 100vh; height: 100dvh;
}
.featured-game-area.css-fullscreen .featured-iframe,
.featured-game-area:fullscreen .featured-iframe { width: 100% !important; height: 100% !important; }
.featured-game-area.css-fullscreen .fullscreen-btn { position: fixed; z-index: 10000; }

/* Click-to-play poster: the embed (with its autoplay video) only loads on click.
   The artwork is top-anchored so its "Subway Surfers" title survives the crop,
   and the play button sits low, under a bottom-heavy wash, clear of that title. */
.game-poster {
    position: absolute; inset: 0; z-index: 5; isolation: isolate; overflow: hidden;
    display: flex; flex-direction: column; align-items: center; justify-content: flex-end;
    gap: 0.6rem; width: 100%; padding: 1rem 1rem 1.75rem;
    border: none; cursor: pointer; text-align: center; font-family: var(--font-body);
    background: #10305c;
}
.game-poster__bg {
    position: absolute; inset: 0; z-index: -2;
    width: 100%; height: 100%; object-fit: cover; object-position: 50% 0;
    transition: transform 0.4s ease;
}
.game-poster::before {
    content: ""; position: absolute; inset: 0; z-index: -1;
    background: linear-gradient(180deg, rgba(8, 22, 45, 0) 35%, rgba(8, 22, 45, 0.55) 70%, rgba(8, 22, 45, 0.88) 100%);
}
.game-poster:hover .game-poster__bg { transform: scale(1.02); }
.game-poster__play {
    display: flex; align-items: center; justify-content: center;
    width: 80px; height: 80px; border-radius: 50%;
    background: var(--yellow); color: var(--navy);
    font-size: 2rem; padding-left: 6px; line-height: 1;
    box-shadow: 0 0 0 10px rgba(255, 198, 25, 0.25), 0 10px 30px rgba(0, 0, 0, 0.45);
    transition: transform 0.2s ease;
}
.game-poster:hover .game-poster__play { transform: scale(1.08); }
.game-poster__label { font-family: var(--font-display); font-size: 1.6rem; color: #fff; letter-spacing: 0.5px; text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5); }
.game-poster__hint { color: rgba(255, 255, 255, 0.85); font-size: 0.84rem; }
.game-poster.is-loading { cursor: progress; }
.game-poster.is-loading .game-poster__play { animation: poster-pulse 1s ease-in-out infinite; }
@keyframes poster-pulse { 50% { opacity: 0.45; } }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .game-poster:hover .game-poster__play,
    .game-poster:hover .game-poster__bg { transform: none; }
    .game-poster.is-loading .game-poster__play { animation: none; }
}

/* ===== CONTENT AREA ===== */
.content-area { width: 100%; max-width: 1400px; margin: 0 auto; padding: 2rem; }

/* Article (left) + comments (right) */
.article-comments-layout {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
    gap: 1.5rem;
    align-items: start;
}

/* ===== ARTICLE CARD ===== */
.article-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); box-shadow: var(--shadow);
    padding: 1.75rem; min-width: 0;
}

.article-meta-bar {
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: 0.9rem 1.1rem; margin-bottom: 1.25rem;
    background: var(--bg-soft); border: 1px solid var(--border); border-radius: 8px;
}
.article-breadcrumb, .game-rating { display: flex; align-items: center; gap: 0.6rem; }
.game-rating { flex-wrap: wrap; justify-content: flex-end; }
.article-breadcrumb { color: var(--text-2); font-size: 0.9rem; }
.article-breadcrumb a { color: var(--text-2); text-decoration: none; }
.article-breadcrumb a:hover { color: var(--orange-dark); }
.breadcrumb-separator { opacity: 0.5; }
.breadcrumb-current { color: var(--text); font-weight: 600; }
.rating-label { color: var(--navy); font-size: 0.88rem; font-weight: 700; }
.rating-stars { display: inline-flex; gap: 0.1rem; line-height: 1; }
.rating-star {
    appearance: none; border: 0; background: transparent; color: #c3cad6;
    cursor: pointer; font-size: 1.45rem; line-height: 1; padding: 0.1rem;
    transition: color 0.16s ease, transform 0.16s ease;
}
.rating-star:hover, .rating-star:focus-visible { color: #ffb020; transform: translateY(-1px) scale(1.08); }
.rating-star.is-selected { color: #ff9f00; }
.rating-copy { color: var(--text-2); font-size: 0.86rem; white-space: nowrap; }

/* Article typography */
.article-body { color: var(--text-2); font-size: 0.97rem; line-height: 1.75; }
.article-body h1, .article-body h2, .article-body h3, .article-body h4 {
    font-family: var(--font-display); font-weight: 400; color: var(--navy);
    letter-spacing: 0.3px; line-height: 1.25;
}
.article-body .article-title { font-size: clamp(1.7rem, 3.2vw, 2.35rem); margin: 0 0 1rem; }
.article-body h2 {
    font-size: 1.75rem; margin: 2.4rem 0 0.9rem; padding-bottom: 0.45rem;
    border-bottom: 3px solid var(--yellow);
}
.article-body > h2:first-child { margin-top: 0; }
/* Anchor jumps land below the sticky top bar */
[id] { scroll-margin-top: 80px; }
.article-note {
    font-size: 0.9rem; padding: 0.6rem 0.9rem;
    background: var(--bg-soft); border: 1px dashed var(--border); border-radius: 8px;
}
.article-hero { margin: 1.5rem 0 0.5rem; }
.article-hero img { width: 100%; box-shadow: 0 10px 28px rgba(16, 48, 92, 0.14); }
.article-body h3 { font-size: 1.3rem; margin: 1.6rem 0 0.6rem; }
.article-body h4 { font-size: 1.1rem; margin: 1.2rem 0 0.5rem; }
.article-body p { margin-bottom: 1rem; }
.article-body ul, .article-body ol { margin: 0 0 1rem; padding-left: 1.5rem; }
.article-body li { margin-bottom: 0.45rem; }
.article-body li::marker { color: var(--orange); }
.article-body strong { color: var(--text); }
.article-body a { color: var(--link); text-underline-offset: 2px; }
.article-body a:hover { color: var(--link-hover); }
.article-body img { display: block; height: auto; border-radius: 12px; border: 1px solid var(--border); }
.article-body figure { margin: 1.5rem 0; }
.article-body figcaption { font-size: 0.82rem; color: var(--text-2); text-align: center; margin-top: 0.5rem; }
.article-body blockquote {
    margin: 1.25rem 0; padding: 0.9rem 1.1rem;
    border-left: 4px solid var(--blue); background: rgba(28, 141, 255, 0.06);
    border-radius: 0 8px 8px 0; color: var(--text);
}

/* Tip / note box */
.tip-box {
    margin: 1.25rem 0; padding: 0.9rem 1.1rem;
    background: rgba(255, 198, 25, 0.14); border-left: 4px solid var(--yellow);
    border-radius: 0 8px 8px 0; color: var(--text); font-size: 0.93rem;
}

/* Table of contents */
.toc {
    display: flex; flex-wrap: wrap; gap: 0.5rem;
    padding: 0.9rem 0; margin: 1.25rem 0 1.75rem;
    border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.toc a {
    font-size: 0.84rem; padding: 0.35rem 0.9rem; border-radius: 20px;
    background: var(--bg-soft); border: 1px solid var(--border);
    color: var(--text-2); text-decoration: none;
}
.toc a:hover { color: var(--orange-dark); border-color: var(--orange); background: rgba(255, 123, 28, 0.06); }

/* Text + image rows */
.content-row { display: flex; align-items: flex-start; gap: 2rem; margin: 2rem 0; }
.content-row__text { flex: 1 1 54%; min-width: 0; }
.content-row__img { flex: 0 0 42%; max-width: 420px; min-width: 240px; margin: 0; }
.content-row__img img { width: 100%; box-shadow: 0 10px 28px rgba(16, 48, 92, 0.14); }
.content-row__text > :first-child { margin-top: 0; }
.content-row--flip { flex-direction: row-reverse; }

/* Feature cards */
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.feature-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.feature-card { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 12px; padding: 1.1rem 1rem; }
.feature-card__icon { display: block; font-size: 1.6rem; margin-bottom: 0.35rem; }
.article-body .feature-card h3 { font-family: var(--font-body); font-weight: 700; font-size: 1rem; color: var(--text); margin: 0 0 0.35rem; }
.feature-card p { margin: 0; font-size: 0.88rem; line-height: 1.55; }

/* Tables */
.table-wrap { overflow-x: auto; margin: 1.25rem 0; border: 1px solid var(--border); border-radius: 10px; }
.article-body table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.article-body th, .article-body td { padding: 0.7rem 0.85rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
.article-body th { background: rgba(255, 198, 25, 0.18); color: var(--navy); font-weight: 700; }
.article-body tbody th { background: transparent; white-space: nowrap; }
.article-body tr:last-child td { border-bottom: 0; }
.article-body tbody tr:nth-child(even) td { background: var(--bg-soft); }

/* FAQ accordion */
.faq details { border-bottom: 1px solid var(--border); }
.faq summary {
    position: relative; list-style: none; cursor: pointer;
    padding: 0.9rem 2.2rem 0.9rem 0;
    font-weight: 600; font-size: 1rem; color: var(--text);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: "+"; position: absolute; right: 0.4rem; top: 0.72rem;
    font-size: 1.4rem; line-height: 1; color: var(--orange);
}
.faq details[open] summary::after { content: "\2212"; }
.faq summary:hover { color: var(--orange-dark); }
.faq details p { margin: 0 0 1rem; padding-right: 2.2rem; }

/* Call to action */
.cta-wrap { text-align: center; margin: 1.75rem 0; }
.cta-btn {
    display: inline-block; padding: 0.8rem 2.1rem; border-radius: 40px;
    background: var(--orange); color: #fff !important;
    font-weight: 700; font-size: 1rem; text-decoration: none;
    box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.15);
    transition: transform 0.16s ease, background 0.16s ease;
}
.cta-btn:hover { background: var(--orange-dark); transform: translateY(-2px); }

/* ===== COMMENTS ===== */
.comments-section {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); box-shadow: var(--shadow);
    padding: 1.5rem; height: fit-content;
    position: sticky; top: 80px;
    /* Never taller than the viewport, or its lower half is unreachable while sticky */
    max-height: calc(100vh - 96px); overflow-y: auto; overscroll-behavior: contain;
}
.comments-section h2 { font-family: var(--font-display); font-weight: 400; font-size: 1.4rem; color: var(--navy); margin-bottom: 1rem; }
.comment-form-field { margin-bottom: 0.9rem; }
.comment-form-field label { display: block; font-size: 0.8rem; color: var(--text-2); margin-bottom: 0.35rem; }
.comment-form-field input, .comment-form-field textarea {
    width: 100%; padding: 0.65rem 0.85rem;
    background: var(--bg-soft); border: 1px solid var(--border); border-radius: 8px;
    color: var(--text); font: 0.88rem var(--font-body); resize: vertical;
}
.comment-form-field input:focus, .comment-form-field textarea:focus {
    outline: none; border-color: var(--blue); background: #fff;
    box-shadow: 0 0 0 3px rgba(28, 141, 255, 0.15);
}
.comment-char-count { text-align: right; font-size: 0.72rem; color: var(--text-2); margin-top: 0.25rem; }
.comment-post-btn {
    appearance: none; border: none; border-radius: 50px; cursor: pointer;
    padding: 0.65rem 1.75rem; background: var(--orange); color: #fff;
    font: 700 0.86rem var(--font-body);
    box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease, background 0.2s ease;
}
.comment-post-btn:hover { background: var(--orange-dark); transform: translateY(-2px); }
.comment-post-btn:disabled { opacity: 0.6; cursor: progress; transform: none; }
.comments-list-heading {
    font-family: var(--font-display); font-weight: 400; font-size: 1.1rem; color: var(--navy);
    margin: 1.5rem 0 0.6rem; padding-top: 1.25rem; border-top: 1px solid var(--border);
}
.comment-item { padding: 0.85rem 0; border-bottom: 1px solid var(--border); }
.comment-item:last-child { border-bottom: none; }
.comment-item-name { font-weight: 700; font-size: 0.86rem; color: var(--text); }
.comment-item-date { font-size: 0.72rem; color: var(--text-2); margin-left: 0.5rem; }
.comment-item-text { font-size: 0.86rem; color: var(--text-2); margin-top: 0.3rem; line-height: 1.5; white-space: pre-wrap; overflow-wrap: anywhere; }
.comment-empty-note { font-size: 0.84rem; color: var(--text-2); font-style: italic; }

/* ===== FOOTER ===== */
footer { margin-top: 1rem; background: var(--bg-soft); border-top: 1px solid var(--border); padding: 2.25rem 2rem 1.25rem; }
.footer-content {
    max-width: 1400px; margin: 0 auto;
    display: grid; grid-template-columns: minmax(260px, 1.6fr) repeat(2, minmax(160px, 1fr));
    gap: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border);
}
.footer-brand .topbar-logo { font-size: 1.9rem; margin-bottom: 0.7rem; }
.footer-section h2 { font-family: var(--font-display); font-weight: 400; font-size: 1.1rem; color: var(--navy); margin-bottom: 0.6rem; }
.footer-section p { color: var(--text-2); font-size: 0.87rem; line-height: 1.7; }
.footer-section ul { list-style: none; }
.footer-section li { margin-bottom: 0.35rem; }
.footer-section a { color: var(--text-2); text-decoration: none; font-size: 0.88rem; }
.footer-section a:hover { color: var(--orange-dark); }
.footer-bottom { max-width: 1400px; margin: 0 auto; padding-top: 1.1rem; text-align: center; color: var(--text-2); font-size: 0.78rem; }
.footer-disclaimer { max-width: 760px; margin: 0.4rem auto 0; font-size: 0.74rem; opacity: 0.85; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-soft); }
::-webkit-scrollbar-thumb { background: var(--yellow); border-radius: 4px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1000px) {
    .article-comments-layout { grid-template-columns: 1fr; }
    .comments-section { position: static; max-height: none; overflow: visible; }
    .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
    .sidebar { width: var(--sidebar-w-open); transform: translateX(-100%); transition: transform 0.28s ease; }
    .sidebar:hover { width: var(--sidebar-w-open); }
    .sidebar.open { transform: translateX(0); box-shadow: 4px 0 24px rgba(16, 48, 92, 0.2); }
    .sidebar .sl { opacity: 1; }
    .menu-toggle { display: flex; }
    .page-wrapper { margin-left: 0; }
    .top-bar { padding: 0 1rem 0 3.9rem; }
    .content-area { padding: 1rem; }
    .featured-iframe { height: 420px; }
    .footer-content { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
    .content-row, .content-row--flip { flex-direction: column; gap: 1.1rem; }
    .content-row__img { flex: 1 1 auto; max-width: 100%; min-width: 0; width: 100%; }
    .article-meta-bar { flex-direction: column; align-items: flex-start; }
    .game-rating { justify-content: flex-start; }
}
@media (max-width: 560px) {
    .featured-iframe { height: 300px; }
    .featured-header { padding: 0.6rem 0.85rem; }
    .featured-game-name { font-size: 1.05rem; }
    .game-poster__label { font-size: 1.25rem; }
    .game-poster__play { width: 64px; height: 64px; font-size: 1.6rem; }
    .topbar-play { padding: 0.5rem 0.9rem; font-size: 0.8rem; }
    .article-card { padding: 1.1rem; }
    .article-body h2 { font-size: 1.45rem; }
    .feature-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; }
    footer { padding: 1.75rem 1rem 1rem; }
}